Version 2.11.0-186.0.dev

Merge commit '78e30b039e07fb0a16e5972caf6f5543fd13e9c8' into 'dev'
diff --git a/DEPS b/DEPS
index d0e3e35..a124f6b 100644
--- a/DEPS
+++ b/DEPS
@@ -44,7 +44,7 @@
   # co19 is a cipd package. Use update.sh in tests/co19[_2] to update these
   # hashes. It requires access to the dart-build-access group, which EngProd
   # has.
-  "co19_rev": "53dd55a31d345320a6aa2b6eea0467f868b72377",
+  "co19_rev": "01adc3471b81d3bceb9bbe775ed1262b1b89cc8a",
   "co19_2_rev": "e48b3090826cf40b8037648f19d211e8eab1b4b6",
 
   # The internal benchmarks to use. See go/dart-benchmarks-internal
@@ -529,7 +529,7 @@
     "packages": [
       {
         "package": "dart/cfe/dart2js_dills",
-        "version": "binary_version:45",
+        "version": "binary_version:46",
       }
     ],
     "dep_type": "cipd",
diff --git a/pkg/analyzer/lib/error/error.dart b/pkg/analyzer/lib/error/error.dart
index 67b4f36..70db8db 100644
--- a/pkg/analyzer/lib/error/error.dart
+++ b/pkg/analyzer/lib/error/error.dart
@@ -260,6 +260,7 @@
   CompileTimeErrorCode.LATE_FINAL_FIELD_WITH_CONST_CONSTRUCTOR,
   CompileTimeErrorCode.LATE_FINAL_LOCAL_ALREADY_ASSIGNED,
   CompileTimeErrorCode.LIST_ELEMENT_TYPE_NOT_ASSIGNABLE,
+  CompileTimeErrorCode.MAIN_IS_NOT_FUNCTION,
   CompileTimeErrorCode.MAP_ENTRY_NOT_IN_MAP,
   CompileTimeErrorCode.MAP_KEY_TYPE_NOT_ASSIGNABLE,
   CompileTimeErrorCode.MAP_VALUE_TYPE_NOT_ASSIGNABLE,
diff --git a/pkg/analyzer/lib/src/error/best_practices_verifier.dart b/pkg/analyzer/lib/src/error/best_practices_verifier.dart
index d94a231..8517699 100644
--- a/pkg/analyzer/lib/src/error/best_practices_verifier.dart
+++ b/pkg/analyzer/lib/src/error/best_practices_verifier.dart
@@ -413,20 +413,14 @@
               [field.name, overriddenElement.enclosingElement.name]);
         }
 
-        var expression = field.initializer;
-
-        var element = _getElement(expression);
-        if (element != null) {
-          if (element is PropertyAccessorElement && element.isSynthetic) {
-            element = (element as PropertyAccessorElement).variable;
-          }
-          if (element.hasOrInheritsDoNotStore) {
-            _errorReporter.reportErrorForNode(
-              HintCode.ASSIGNMENT_OF_DO_NOT_STORE,
-              expression,
-              [element.name],
-            );
-          }
+        var expressionMap =
+            _getSubExpressionsMarkedDoNotStore(field.initializer);
+        for (var entry in expressionMap.entries) {
+          _errorReporter.reportErrorForNode(
+            HintCode.ASSIGNMENT_OF_DO_NOT_STORE,
+            entry.key,
+            [entry.value.name],
+          );
         }
       }
     } finally {
@@ -1382,15 +1376,17 @@
     if (_inDoNotStoreMember) {
       return;
     }
-    var element = _getElement(expression);
-    if (element != null && element.hasOrInheritsDoNotStore) {
+    var expressionMap = _getSubExpressionsMarkedDoNotStore(expression);
+    if (expressionMap.isNotEmpty) {
       Declaration parent = expression.thisOrAncestorMatching(
           (e) => e is FunctionDeclaration || e is MethodDeclaration);
-      _errorReporter.reportErrorForNode(
-        HintCode.RETURN_OF_DO_NOT_STORE,
-        expression,
-        [element.name, parent.declaredElement.displayName],
-      );
+      for (var entry in expressionMap.entries) {
+        _errorReporter.reportErrorForNode(
+          HintCode.RETURN_OF_DO_NOT_STORE,
+          entry.key,
+          [entry.value.name, parent.declaredElement.displayName],
+        );
+      }
     }
   }
 
@@ -1537,7 +1533,13 @@
     }
   }
 
-  Element _getElement(Expression expression) {
+  /// Return subexpressions that are marked `@doNotStore`, as a map so that
+  /// corresponding elements can be used in the diagnostic message.
+  Map<Expression, Element> _getSubExpressionsMarkedDoNotStore(
+      Expression expression,
+      {Map<Expression, Element> addTo}) {
+    var expressions = addTo ?? <Expression, Element>{};
+
     Element element;
     if (expression is PropertyAccess) {
       element = expression.propertyName.staticElement;
@@ -1553,13 +1555,26 @@
       if (element is FunctionElement || element is MethodElement) {
         element = null;
       }
+    } else if (expression is ConditionalExpression) {
+      _getSubExpressionsMarkedDoNotStore(expression.elseExpression,
+          addTo: expressions);
+      _getSubExpressionsMarkedDoNotStore(expression.thenExpression,
+          addTo: expressions);
+    } else if (expression is BinaryExpression) {
+      _getSubExpressionsMarkedDoNotStore(expression.leftOperand,
+          addTo: expressions);
+      _getSubExpressionsMarkedDoNotStore(expression.rightOperand,
+          addTo: expressions);
     }
-    if (element != null) {
-      if (element is PropertyAccessorElement && element.isSynthetic) {
-        element = (element as PropertyAccessorElement).variable;
-      }
+    if (element is PropertyAccessorElement && element.isSynthetic) {
+      element = (element as PropertyAccessorElement).variable;
     }
-    return element;
+
+    if (element != null && element.hasOrInheritsDoNotStore) {
+      expressions[expression] = element;
+    }
+
+    return expressions;
   }
 
   bool _isLibraryInWorkspacePackage(LibraryElement library) {
diff --git a/pkg/analyzer/lib/src/error/codes.dart b/pkg/analyzer/lib/src/error/codes.dart
index ac58a82..4c17cc04 100644
--- a/pkg/analyzer/lib/src/error/codes.dart
+++ b/pkg/analyzer/lib/src/error/codes.dart
@@ -5460,6 +5460,12 @@
           "The element type '{0}' can't be assigned to the list type '{1}'.",
           hasPublishedDocs: true);
 
+  static const CompileTimeErrorCode MAIN_IS_NOT_FUNCTION = CompileTimeErrorCode(
+    'MAIN_IS_NOT_FUNCTION',
+    "The declaration named 'main' must be a function.",
+    correction: "Try using a different name for this declaration.",
+  );
+
   /**
    * No parameters.
    */
diff --git a/pkg/analyzer/lib/src/generated/error_verifier.dart b/pkg/analyzer/lib/src/generated/error_verifier.dart
index 696581e..bb5328a 100644
--- a/pkg/analyzer/lib/src/generated/error_verifier.dart
+++ b/pkg/analyzer/lib/src/generated/error_verifier.dart
@@ -449,6 +449,7 @@
       _checkForFinalNotInitializedInClass(members);
       _checkForBadFunctionUse(node);
       _checkForWrongTypeParameterVarianceInSuperinterfaces();
+      _checkForMainFunction(node.name);
       super.visitClassDeclaration(node);
     } finally {
       _isInNativeClass = false;
@@ -466,6 +467,7 @@
       _enclosingClass = node.declaredElement;
       _checkClassInheritance(
           node, node.superclass, node.withClause, node.implementsClause);
+      _checkForMainFunction(node.name);
       _checkForWrongTypeParameterVarianceInSuperinterfaces();
     } finally {
       _enclosingClass = outerClassElement;
@@ -724,6 +726,7 @@
       _checkForTypeAnnotationDeferredClass(returnType);
       _returnTypeVerifier.verifyReturnType(returnType);
       _checkForImplicitDynamicReturn(node.name, node.declaredElement);
+      _checkForMainFunction(node.name);
       super.visitFunctionDeclaration(node);
     });
   }
@@ -770,6 +773,7 @@
   void visitFunctionTypeAlias(FunctionTypeAlias node) {
     _checkForBuiltInIdentifierAsName(
         node.name, CompileTimeErrorCode.BUILT_IN_IDENTIFIER_AS_TYPEDEF_NAME);
+    _checkForMainFunction(node.name);
     _checkForTypeAliasCannotReferenceItself(node, node.declaredElement);
     super.visitFunctionTypeAlias(node);
   }
@@ -805,6 +809,7 @@
   void visitGenericTypeAlias(GenericTypeAlias node) {
     _checkForBuiltInIdentifierAsName(
         node.name, CompileTimeErrorCode.BUILT_IN_IDENTIFIER_AS_TYPEDEF_NAME);
+    _checkForMainFunction(node.name);
     _checkForTypeAliasCannotReferenceItself(node, node.declaredElement);
     super.visitGenericTypeAlias(node);
   }
@@ -970,6 +975,7 @@
 
       _checkForConflictingClassMembers();
       _checkForFinalNotInitializedInClass(members);
+      _checkForMainFunction(node.name);
       _checkForWrongTypeParameterVarianceInSuperinterfaces();
       //      _checkForBadFunctionUse(node);
       super.visitMixinDeclaration(node);
@@ -1193,6 +1199,11 @@
   void visitTopLevelVariableDeclaration(TopLevelVariableDeclaration node) {
     _checkForFinalNotInitialized(node.variables);
     _checkForNotInitializedNonNullableVariable(node.variables);
+
+    for (var declaration in node.variables.variables) {
+      _checkForMainFunction(declaration.name);
+    }
+
     super.visitTopLevelVariableDeclaration(node);
   }
 
@@ -3094,6 +3105,31 @@
     }
   }
 
+  void _checkForMainFunction(SimpleIdentifier nameNode) {
+    if (!_currentLibrary.isNonNullableByDefault) {
+      return;
+    }
+
+    var element = nameNode.staticElement;
+
+    // We should only check exported declarations, i.e. top-level.
+    if (element.enclosingElement is! CompilationUnitElement) {
+      return;
+    }
+
+    if (element.displayName != 'main') {
+      return;
+    }
+
+    if (element is! FunctionElement) {
+      _errorReporter.reportErrorForNode(
+        CompileTimeErrorCode.MAIN_IS_NOT_FUNCTION,
+        nameNode,
+      );
+      return;
+    }
+  }
+
   void _checkForMapTypeNotAssignable(SetOrMapLiteral literal) {
     // Determine the map's key and value types. We base this on the static type
     // and not the literal's type arguments because in strong mode, the type
diff --git a/pkg/analyzer/test/src/diagnostics/assignment_of_do_not_store_test.dart b/pkg/analyzer/test/src/diagnostics/assignment_of_do_not_store_test.dart
index ef2c8c2..ccdfcf5 100644
--- a/pkg/analyzer/test/src/diagnostics/assignment_of_do_not_store_test.dart
+++ b/pkg/analyzer/test/src/diagnostics/assignment_of_do_not_store_test.dart
@@ -34,7 +34,8 @@
   String f = A().v;
 }
 ''', [
-      error(HintCode.ASSIGNMENT_OF_DO_NOT_STORE, 106, 5),
+      error(HintCode.ASSIGNMENT_OF_DO_NOT_STORE, 106, 5,
+          messageContains: "'v'"),
     ]);
   }
 
@@ -176,4 +177,59 @@
       error(HintCode.ASSIGNMENT_OF_DO_NOT_STORE, 83, 1),
     ]);
   }
+
+  test_topLevelVariable_binaryExpression() async {
+    await assertErrorsInCode('''
+import 'package:meta/meta.dart';
+
+@doNotStore
+final v = '';
+
+class A {
+  final f = v ?? v;
+}
+''', [
+      error(HintCode.ASSIGNMENT_OF_DO_NOT_STORE, 83, 1),
+      error(HintCode.ASSIGNMENT_OF_DO_NOT_STORE, 88, 1),
+    ]);
+  }
+
+  test_topLevelVariable_libraryAnnotation() async {
+    testFilePath;
+    newFile('$testPackageLibPath/library.dart', content: '''
+@doNotStore
+library lib;
+
+import 'package:meta/meta.dart';
+
+final v = '';
+''');
+
+    await assertErrorsInCode('''
+import 'library.dart';
+
+class A {
+  final f = v;
+}
+''', [
+      error(HintCode.ASSIGNMENT_OF_DO_NOT_STORE, 46, 1),
+    ]);
+  }
+
+  test_topLevelVariable_ternary() async {
+    await assertErrorsInCode('''
+import 'package:meta/meta.dart';
+
+@doNotStore
+final v = '';
+
+class A {
+  static bool c;
+  final f = c ? v : v;
+}
+''', [
+      error(HintCode.ASSIGNMENT_OF_DO_NOT_STORE, 104, 1),
+      error(HintCode.ASSIGNMENT_OF_DO_NOT_STORE, 108, 1),
+    ]);
+  }
 }
diff --git a/pkg/analyzer/test/src/diagnostics/main_is_not_function_test.dart b/pkg/analyzer/test/src/diagnostics/main_is_not_function_test.dart
new file mode 100644
index 0000000..6b5921d
--- /dev/null
+++ b/pkg/analyzer/test/src/diagnostics/main_is_not_function_test.dart
@@ -0,0 +1,97 @@
+// Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:analyzer/src/error/codes.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
+
+import '../dart/resolution/context_collection_resolution.dart';
+
+main() {
+  defineReflectiveSuite(() {
+    defineReflectiveTests(MainIsNotFunctionTest);
+    defineReflectiveTests(MainIsNotFunctionWithNullSafetyTest);
+  });
+}
+
+@reflectiveTest
+class MainIsNotFunctionTest extends PubPackageResolutionTest
+    with MainIsNotFunctionTestCases {}
+
+mixin MainIsNotFunctionTestCases on PubPackageResolutionTest {
+  test_class() async {
+    await resolveTestCode('''
+class main {}
+''');
+    assertErrorsInResult(expectedErrorsByNullability(nullable: [
+      error(CompileTimeErrorCode.MAIN_IS_NOT_FUNCTION, 6, 4),
+    ], legacy: []));
+  }
+
+  test_classAlias() async {
+    await resolveTestCode('''
+class A {}
+mixin M {}
+class main = A with M;
+''');
+    assertErrorsInResult(expectedErrorsByNullability(nullable: [
+      error(CompileTimeErrorCode.MAIN_IS_NOT_FUNCTION, 28, 4),
+    ], legacy: []));
+  }
+
+  test_function() async {
+    await assertNoErrorsInCode('''
+void main() {}
+''');
+  }
+
+  test_getter() async {
+    await resolveTestCode('''
+int get main => 0;
+''');
+    assertErrorsInResult(expectedErrorsByNullability(nullable: [
+      error(CompileTimeErrorCode.MAIN_IS_NOT_FUNCTION, 8, 4),
+    ], legacy: []));
+  }
+
+  test_mixin() async {
+    await resolveTestCode('''
+class A {}
+mixin main on A {}
+''');
+    assertErrorsInResult(expectedErrorsByNullability(nullable: [
+      error(CompileTimeErrorCode.MAIN_IS_NOT_FUNCTION, 17, 4),
+    ], legacy: []));
+  }
+
+  test_typedef() async {
+    await resolveTestCode('''
+typedef main = void Function();
+''');
+    assertErrorsInResult(expectedErrorsByNullability(nullable: [
+      error(CompileTimeErrorCode.MAIN_IS_NOT_FUNCTION, 8, 4),
+    ], legacy: []));
+  }
+
+  test_typedef_legacy() async {
+    await resolveTestCode('''
+typedef void main();
+''');
+    assertErrorsInResult(expectedErrorsByNullability(nullable: [
+      error(CompileTimeErrorCode.MAIN_IS_NOT_FUNCTION, 13, 4),
+    ], legacy: []));
+  }
+
+  test_variable() async {
+    await resolveTestCode('''
+var main = 0;
+''');
+    assertErrorsInResult(expectedErrorsByNullability(nullable: [
+      error(CompileTimeErrorCode.MAIN_IS_NOT_FUNCTION, 4, 4),
+    ], legacy: []));
+  }
+}
+
+@reflectiveTest
+class MainIsNotFunctionWithNullSafetyTest extends PubPackageResolutionTest
+    with WithNullSafetyMixin, MainIsNotFunctionTestCases {}
diff --git a/pkg/analyzer/test/src/diagnostics/return_of_do_not_store_test.dart b/pkg/analyzer/test/src/diagnostics/return_of_do_not_store_test.dart
index 51c1819..c747e6a 100644
--- a/pkg/analyzer/test/src/diagnostics/return_of_do_not_store_test.dart
+++ b/pkg/analyzer/test/src/diagnostics/return_of_do_not_store_test.dart
@@ -63,6 +63,44 @@
     ]);
   }
 
+  test_returnFromGetter_binaryExpression() async {
+    await assertErrorsInCode('''
+import 'package:meta/meta.dart';
+
+@doNotStore
+String _v = '';
+
+@doNotStore
+String _v2 = '';
+
+var b = true;
+
+String get v => _v ?? _v2;
+''', [
+      error(HintCode.RETURN_OF_DO_NOT_STORE, 124, 2, messageContains: '_v'),
+      error(HintCode.RETURN_OF_DO_NOT_STORE, 130, 3, messageContains: '_v2'),
+    ]);
+  }
+
+  test_returnFromGetter_ternary() async {
+    await assertErrorsInCode('''
+import 'package:meta/meta.dart';
+
+@doNotStore
+String _v = '';
+
+@doNotStore
+String _v2 = '';
+
+var b = true;
+
+String get v => b ? _v : _v2;
+''', [
+      error(HintCode.RETURN_OF_DO_NOT_STORE, 128, 2),
+      error(HintCode.RETURN_OF_DO_NOT_STORE, 133, 3),
+    ]);
+  }
+
   test_returnFromMethod() async {
     await assertErrorsInCode('''
 import 'package:meta/meta.dart';
diff --git a/pkg/analyzer/test/src/diagnostics/test_all.dart b/pkg/analyzer/test/src/diagnostics/test_all.dart
index bc65f4c..a6b7ec6 100644
--- a/pkg/analyzer/test/src/diagnostics/test_all.dart
+++ b/pkg/analyzer/test/src/diagnostics/test_all.dart
@@ -344,6 +344,7 @@
     as late_final_local_already_assigned;
 import 'list_element_type_not_assignable_test.dart'
     as list_element_type_not_assignable;
+import 'main_is_not_function_test.dart' as main_is_not_function;
 import 'map_entry_not_in_map_test.dart' as map_entry_not_in_map;
 import 'map_key_type_not_assignable_test.dart' as map_key_type_not_assignable;
 import 'map_value_type_not_assignable_test.dart'
@@ -872,6 +873,7 @@
     late_final_field_with_const_constructor.main();
     late_final_local_already_assigned.main();
     list_element_type_not_assignable.main();
+    main_is_not_function.main();
     map_entry_not_in_map.main();
     map_key_type_not_assignable.main();
     map_value_type_not_assignable.main();
diff --git a/pkg/compiler/lib/src/inferrer/builder_kernel.dart b/pkg/compiler/lib/src/inferrer/builder_kernel.dart
index b240200..f11b3fb 100644
--- a/pkg/compiler/lib/src/inferrer/builder_kernel.dart
+++ b/pkg/compiler/lib/src/inferrer/builder_kernel.dart
@@ -1454,13 +1454,6 @@
   }
 
   @override
-  TypeInformation visitDirectPropertyGet(ir.DirectPropertyGet node) {
-    TypeInformation receiverType = thisType;
-    return handlePropertyGet(node, node.receiver, receiverType, node.target,
-        isThis: true);
-  }
-
-  @override
   TypeInformation visitPropertySet(ir.PropertySet node) {
     TypeInformation receiverType = visit(node.receiver);
     Selector selector = _elementMap.getSelector(node);
diff --git a/pkg/compiler/lib/src/ir/cached_static_type.dart b/pkg/compiler/lib/src/ir/cached_static_type.dart
index aa385c4..9e12e6c 100644
--- a/pkg/compiler/lib/src/ir/cached_static_type.dart
+++ b/pkg/compiler/lib/src/ir/cached_static_type.dart
@@ -52,10 +52,6 @@
   ir.DartType visitPropertyGet(ir.PropertyGet node) => _getStaticType(node);
 
   @override
-  ir.DartType visitDirectPropertyGet(ir.DirectPropertyGet node) =>
-      _getStaticType(node);
-
-  @override
   ir.DartType visitSuperPropertyGet(ir.SuperPropertyGet node) =>
       _getStaticType(node);
 
@@ -64,10 +60,6 @@
       _getStaticType(node);
 
   @override
-  ir.DartType visitDirectMethodInvocation(ir.DirectMethodInvocation node) =>
-      _getStaticType(node);
-
-  @override
   ir.DartType visitStaticInvocation(ir.StaticInvocation node) =>
       _getStaticType(node);
 
diff --git a/pkg/compiler/lib/src/ir/impact.dart b/pkg/compiler/lib/src/ir/impact.dart
index 60dc75f3..0dfcc55 100644
--- a/pkg/compiler/lib/src/ir/impact.dart
+++ b/pkg/compiler/lib/src/ir/impact.dart
@@ -565,21 +565,6 @@
   }
 
   @override
-  void handleDirectMethodInvocation(
-      ir.DirectMethodInvocation node,
-      ir.DartType receiverType,
-      ArgumentTypes argumentTypes,
-      ir.DartType returnType) {
-    registerInstanceInvocation(
-        receiverType,
-        ClassRelation.exact,
-        node.target,
-        node.arguments.positional.length,
-        _getNamedArguments(node.arguments),
-        node.arguments.types);
-  }
-
-  @override
   void handlePropertyGet(
       ir.PropertyGet node, ir.DartType receiverType, ir.DartType resultType) {
     ClassRelation relation = computeClassRelationFromType(receiverType);
@@ -591,12 +576,6 @@
   }
 
   @override
-  void handleDirectPropertyGet(ir.DirectPropertyGet node,
-      ir.DartType receiverType, ir.DartType resultType) {
-    registerInstanceGet(receiverType, ClassRelation.exact, node.target);
-  }
-
-  @override
   void handlePropertySet(
       ir.PropertySet node, ir.DartType receiverType, ir.DartType valueType) {
     ClassRelation relation = computeClassRelationFromType(receiverType);
@@ -608,12 +587,6 @@
   }
 
   @override
-  void handleDirectPropertySet(ir.DirectPropertySet node,
-      ir.DartType receiverType, ir.DartType valueType) {
-    registerInstanceSet(receiverType, ClassRelation.exact, node.target);
-  }
-
-  @override
   void handleSuperMethodInvocation(ir.SuperMethodInvocation node,
       ArgumentTypes argumentTypes, ir.DartType returnType) {
     registerSuperInvocation(node.name, node.arguments.positional.length,
diff --git a/pkg/compiler/lib/src/ir/scope_visitor.dart b/pkg/compiler/lib/src/ir/scope_visitor.dart
index 0dacf07..74ac0b9 100644
--- a/pkg/compiler/lib/src/ir/scope_visitor.dart
+++ b/pkg/compiler/lib/src/ir/scope_visitor.dart
@@ -1053,19 +1053,6 @@
   }
 
   @override
-  EvaluationComplexity visitDirectPropertyGet(ir.DirectPropertyGet node) {
-    node.receiver = _handleExpression(node.receiver);
-    return const EvaluationComplexity.lazy();
-  }
-
-  @override
-  EvaluationComplexity visitDirectPropertySet(ir.DirectPropertySet node) {
-    node.receiver = _handleExpression(node.receiver);
-    node.value = _handleExpression(node.value);
-    return const EvaluationComplexity.lazy();
-  }
-
-  @override
   EvaluationComplexity visitNot(ir.Not node) {
     node.operand = _handleExpression(node.operand);
     EvaluationComplexity complexity = _lastExpressionComplexity;
diff --git a/pkg/compiler/lib/src/ir/static_type.dart b/pkg/compiler/lib/src/ir/static_type.dart
index bcc2bf3..4472ff8 100644
--- a/pkg/compiler/lib/src/ir/static_type.dart
+++ b/pkg/compiler/lib/src/ir/static_type.dart
@@ -325,61 +325,6 @@
     return valueType;
   }
 
-  void handleDirectPropertyGet(ir.DirectPropertyGet node,
-      ir.DartType receiverType, ir.DartType resultType) {}
-
-  @override
-  ir.DartType visitDirectPropertyGet(ir.DirectPropertyGet node) {
-    ir.DartType receiverType = visitNode(node.receiver);
-    ir.Class superclass = node.target.enclosingClass;
-    receiverType = getTypeAsInstanceOf(receiverType, superclass);
-    ir.DartType resultType = ir.Substitution.fromInterfaceType(receiverType)
-        .substituteType(node.target.getterType);
-    _expressionTypeCache[node] = resultType;
-    handleDirectPropertyGet(node, receiverType, resultType);
-    return resultType;
-  }
-
-  void handleDirectMethodInvocation(
-      ir.DirectMethodInvocation node,
-      ir.DartType receiverType,
-      ArgumentTypes argumentTypes,
-      ir.DartType returnType) {}
-
-  @override
-  ir.DartType visitDirectMethodInvocation(ir.DirectMethodInvocation node) {
-    ir.DartType receiverType = visitNode(node.receiver);
-    ArgumentTypes argumentTypes = _visitArguments(node.arguments);
-    ir.DartType returnType;
-    if (typeEnvironment.isSpecialCasedBinaryOperator(node.target)) {
-      ir.DartType argumentType = argumentTypes.positional[0];
-      returnType = typeEnvironment.getTypeOfSpecialCasedBinaryOperator(
-          receiverType, argumentType);
-    } else {
-      ir.Class superclass = node.target.enclosingClass;
-      receiverType = getTypeAsInstanceOf(receiverType, superclass);
-      ir.DartType returnType = ir.Substitution.fromInterfaceType(receiverType)
-          .substituteType(node.target.function.returnType);
-      returnType = ir.Substitution.fromPairs(
-              node.target.function.typeParameters, node.arguments.types)
-          .substituteType(returnType);
-    }
-    _expressionTypeCache[node] = returnType;
-    handleDirectMethodInvocation(node, receiverType, argumentTypes, returnType);
-    return returnType;
-  }
-
-  void handleDirectPropertySet(ir.DirectPropertySet node,
-      ir.DartType receiverType, ir.DartType valueType) {}
-
-  @override
-  ir.DartType visitDirectPropertySet(ir.DirectPropertySet node) {
-    ir.DartType receiverType = visitNode(node.receiver);
-    ir.DartType valueType = super.visitDirectPropertySet(node);
-    handleDirectPropertySet(node, receiverType, valueType);
-    return valueType;
-  }
-
   /// Returns `true` if [interfaceTarget] is an arithmetic operator whose result
   /// type is computed using both the receiver type and the argument type.
   ///
diff --git a/pkg/compiler/lib/src/ir/static_type_base.dart b/pkg/compiler/lib/src/ir/static_type_base.dart
index b62c4c9..a19523e 100644
--- a/pkg/compiler/lib/src/ir/static_type_base.dart
+++ b/pkg/compiler/lib/src/ir/static_type_base.dart
@@ -164,11 +164,6 @@
   }
 
   @override
-  ir.DartType visitDirectPropertySet(ir.DirectPropertySet node) {
-    return visitNode(node.value);
-  }
-
-  @override
   ThisInterfaceType visitThisExpression(ir.ThisExpression node) => thisType;
 
   @override
diff --git a/pkg/compiler/lib/src/js_model/element_map.dart b/pkg/compiler/lib/src/js_model/element_map.dart
index 18cde59..b26e902 100644
--- a/pkg/compiler/lib/src/js_model/element_map.dart
+++ b/pkg/compiler/lib/src/js_model/element_map.dart
@@ -174,9 +174,6 @@
   /// Returns the inferred receiver type of the dynamic [read].
   AbstractValue receiverTypeOfGet(ir.PropertyGet read);
 
-  /// Returns the inferred receiver type of the direct [read].
-  AbstractValue receiverTypeOfDirectGet(ir.DirectPropertyGet read);
-
   /// Returns the inferred receiver type of the dynamic [write].
   AbstractValue receiverTypeOfSet(
       ir.PropertySet write, AbstractValueDomain abstractValueDomain);
diff --git a/pkg/compiler/lib/src/js_model/element_map_impl.dart b/pkg/compiler/lib/src/js_model/element_map_impl.dart
index b3f9cb7..4c5e0a1 100644
--- a/pkg/compiler/lib/src/js_model/element_map_impl.dart
+++ b/pkg/compiler/lib/src/js_model/element_map_impl.dart
@@ -1262,9 +1262,6 @@
     if (node is ir.PropertyGet) {
       return getGetterSelector(node.name);
     }
-    if (node is ir.DirectPropertyGet) {
-      return getGetterSelector(node.target.name);
-    }
     if (node is ir.SuperPropertyGet) {
       return getGetterSelector(node.name);
     }
diff --git a/pkg/compiler/lib/src/js_model/js_strategy.dart b/pkg/compiler/lib/src/js_model/js_strategy.dart
index b8614dd..42ced5b 100644
--- a/pkg/compiler/lib/src/js_model/js_strategy.dart
+++ b/pkg/compiler/lib/src/js_model/js_strategy.dart
@@ -533,11 +533,6 @@
   }
 
   @override
-  AbstractValue receiverTypeOfDirectGet(ir.DirectPropertyGet node) {
-    return _targetResults.typeOfReceiver(node);
-  }
-
-  @override
   AbstractValue receiverTypeOfSet(
       ir.PropertySet node, AbstractValueDomain abstractValueDomain) {
     return _targetResults.typeOfReceiver(node);
diff --git a/pkg/compiler/lib/src/serialization/node_indexer.dart b/pkg/compiler/lib/src/serialization/node_indexer.dart
index e20df93..edc81ae 100644
--- a/pkg/compiler/lib/src/serialization/node_indexer.dart
+++ b/pkg/compiler/lib/src/serialization/node_indexer.dart
@@ -123,24 +123,6 @@
   }
 
   @override
-  void visitDirectPropertyGet(ir.DirectPropertyGet node) {
-    registerNode(node);
-    super.visitDirectPropertyGet(node);
-  }
-
-  @override
-  void visitDirectPropertySet(ir.DirectPropertySet node) {
-    registerNode(node);
-    super.visitDirectPropertySet(node);
-  }
-
-  @override
-  void visitDirectMethodInvocation(ir.DirectMethodInvocation node) {
-    registerNode(node);
-    super.visitDirectMethodInvocation(node);
-  }
-
-  @override
   void visitStaticInvocation(ir.StaticInvocation node) {
     registerNode(node);
     super.visitStaticInvocation(node);
diff --git a/pkg/compiler/lib/src/ssa/builder_kernel.dart b/pkg/compiler/lib/src/ssa/builder_kernel.dart
index d80c190..842d6e6 100644
--- a/pkg/compiler/lib/src/ssa/builder_kernel.dart
+++ b/pkg/compiler/lib/src/ssa/builder_kernel.dart
@@ -3460,33 +3460,6 @@
   }
 
   @override
-  void visitDirectPropertyGet(ir.DirectPropertyGet node) {
-    node.receiver.accept(this);
-    HInstruction receiver = pop();
-
-    // Fake direct call with a dynamic call.
-    // TODO(sra): Implement direct invocations properly.
-    _pushDynamicInvocation(
-        node,
-        _getStaticType(node.receiver),
-        _typeInferenceMap.receiverTypeOfDirectGet(node),
-        new Selector.getter(_elementMap.getMember(node.target).memberName),
-        <HInstruction>[receiver],
-        const <DartType>[],
-        _sourceInformationBuilder.buildGet(node));
-  }
-
-  @override
-  void visitDirectPropertySet(ir.DirectPropertySet node) {
-    throw new UnimplementedError('ir.DirectPropertySet');
-  }
-
-  @override
-  void visitDirectMethodInvocation(ir.DirectMethodInvocation node) {
-    throw new UnimplementedError('ir.DirectMethodInvocation');
-  }
-
-  @override
   void visitSuperPropertySet(ir.SuperPropertySet node) {
     SourceInformation sourceInformation =
         _sourceInformationBuilder.buildAssignment(node);
@@ -7073,14 +7046,6 @@
   }
 
   @override
-  visitDirectPropertyGet(ir.DirectPropertyGet node) {
-    registerCall();
-    registerRegularNode();
-    registerReductiveNode();
-    visit(node.receiver);
-  }
-
-  @override
   visitPropertySet(ir.PropertySet node) {
     registerCall();
     registerRegularNode();
@@ -7091,15 +7056,6 @@
   }
 
   @override
-  visitDirectPropertySet(ir.DirectPropertySet node) {
-    registerCall();
-    registerRegularNode();
-    registerReductiveNode();
-    visit(node.receiver);
-    visit(node.value);
-  }
-
-  @override
   visitVariableGet(ir.VariableGet node) {
     if (discountParameters && node.variable.parent is ir.FunctionNode) return;
     registerRegularNode();
diff --git a/pkg/dev_compiler/lib/src/kernel/compiler.dart b/pkg/dev_compiler/lib/src/kernel/compiler.dart
index c5ec2e9..cd7ebd3 100644
--- a/pkg/dev_compiler/lib/src/kernel/compiler.dart
+++ b/pkg/dev_compiler/lib/src/kernel/compiler.dart
@@ -4216,16 +4216,6 @@
         node.receiver, node.interfaceTarget, node.value, node.name.text);
   }
 
-  @override
-  js_ast.Expression visitDirectPropertyGet(DirectPropertyGet node) {
-    return _emitPropertyGet(node.receiver, node.target);
-  }
-
-  @override
-  js_ast.Expression visitDirectPropertySet(DirectPropertySet node) {
-    return _emitPropertySet(node.receiver, node.target, node.value);
-  }
-
   js_ast.Expression _emitPropertyGet(Expression receiver, Member member,
       [String memberName]) {
     memberName ??= member.name.text;
@@ -4360,11 +4350,6 @@
     return methodCall;
   }
 
-  @override
-  js_ast.Expression visitDirectMethodInvocation(DirectMethodInvocation node) {
-    return _emitMethodCall(node.receiver, node.target, node.arguments, node);
-  }
-
   js_ast.Expression _emitMethodCall(Expression receiver, Member target,
       Arguments arguments, InvocationExpression node) {
     var name = node.name.text;
@@ -5285,10 +5270,6 @@
       return _emitEqualityOperator(operand.receiver, operand.interfaceTarget,
           operand.arguments.positional[0],
           negated: true);
-    } else if (operand is DirectMethodInvocation && operand.name.text == '==') {
-      return _emitEqualityOperator(
-          operand.receiver, operand.target, operand.arguments.positional[0],
-          negated: true);
     } else if (operand is StaticInvocation &&
         operand.target == _coreTypes.identicalProcedure) {
       return _emitCoreIdenticalCall(operand.arguments.positional,
diff --git a/pkg/dev_compiler/lib/src/kernel/kernel_helpers.dart b/pkg/dev_compiler/lib/src/kernel/kernel_helpers.dart
index 0cac386..a2c50dd 100644
--- a/pkg/dev_compiler/lib/src/kernel/kernel_helpers.dart
+++ b/pkg/dev_compiler/lib/src/kernel/kernel_helpers.dart
@@ -189,11 +189,7 @@
 }
 
 Expression getInvocationReceiver(InvocationExpression node) =>
-    node is MethodInvocation
-        ? node.receiver
-        : node is DirectMethodInvocation
-            ? node.receiver
-            : null;
+    node is MethodInvocation ? node.receiver : null;
 
 bool isInlineJS(Member e) =>
     e is Procedure &&
diff --git a/pkg/dev_compiler/lib/src/kernel/nullable_inference.dart b/pkg/dev_compiler/lib/src/kernel/nullable_inference.dart
index 1040ac9..32c687f 100644
--- a/pkg/dev_compiler/lib/src/kernel/nullable_inference.dart
+++ b/pkg/dev_compiler/lib/src/kernel/nullable_inference.dart
@@ -89,13 +89,6 @@
   bool visitPropertySet(PropertySet node) => isNullable(node.value);
 
   @override
-  bool visitDirectPropertyGet(DirectPropertyGet node) =>
-      _getterIsNullable(node.target);
-
-  @override
-  bool visitDirectPropertySet(DirectPropertySet node) => isNullable(node.value);
-
-  @override
   bool visitSuperPropertyGet(SuperPropertyGet node) =>
       _getterIsNullable(node.interfaceTarget);
 
@@ -113,10 +106,6 @@
       node.interfaceTarget, node.name.text, node.receiver);
 
   @override
-  bool visitDirectMethodInvocation(DirectMethodInvocation node) =>
-      _invocationIsNullable(node.target, node.name.text, node.receiver);
-
-  @override
   bool visitSuperMethodInvocation(SuperMethodInvocation node) =>
       _invocationIsNullable(node.interfaceTarget, node.name.text);
 
diff --git a/pkg/dev_compiler/lib/src/kernel/target.dart b/pkg/dev_compiler/lib/src/kernel/target.dart
index a005aae..2982b8d 100644
--- a/pkg/dev_compiler/lib/src/kernel/target.dart
+++ b/pkg/dev_compiler/lib/src/kernel/target.dart
@@ -384,32 +384,14 @@
   }
 
   @override
-  void visitDirectPropertyGet(DirectPropertyGet node) {
-    _checkTearoff(node.target);
-    super.visitDirectPropertyGet(node);
-  }
-
-  @override
   void visitPropertySet(PropertySet node) {
     _checkTarget(node.receiver, node.interfaceTarget);
     super.visitPropertySet(node);
   }
 
   @override
-  void visitDirectPropertySet(DirectPropertySet node) {
-    _checkTarget(node.receiver, node.target);
-    super.visitDirectPropertySet(node);
-  }
-
-  @override
   void visitMethodInvocation(MethodInvocation node) {
     _checkTarget(node.receiver, node.interfaceTarget);
     super.visitMethodInvocation(node);
   }
-
-  @override
-  void visitDirectMethodInvocation(DirectMethodInvocation node) {
-    _checkTarget(node.receiver, node.target);
-    super.visitDirectMethodInvocation(node);
-  }
 }
diff --git a/pkg/front_end/lib/src/fasta/kernel/constant_evaluator.dart b/pkg/front_end/lib/src/fasta/kernel/constant_evaluator.dart
index ea3518e..d9d852a 100644
--- a/pkg/front_end/lib/src/fasta/kernel/constant_evaluator.dart
+++ b/pkg/front_end/lib/src/fasta/kernel/constant_evaluator.dart
@@ -2356,21 +2356,6 @@
     bool performIs(Constant constant, {bool strongMode}) {
       assert(strongMode != null);
       if (strongMode) {
-        // In strong checking mode: if e evaluates to a value v and v has
-        // runtime type S, an instance check e is T occurring in a legacy
-        // library or an opted-in library is evaluated as follows:
-        //
-        //    If v is null and T is a legacy type,
-        //       return LEGACY_SUBTYPE(T, NULL) || LEGACY_SUBTYPE(Object, T)
-        //    Otherwise return NNBD_SUBTYPE(S, T)
-        if (constant is NullConstant &&
-            type.nullability == Nullability.legacy) {
-          // Unreachable: Mixed strong mode is no longer supported.
-          return typeEnvironment.isSubtypeOf(type, typeEnvironment.nullType,
-                  SubtypeCheckMode.ignoringNullabilities) ||
-              typeEnvironment.isSubtypeOf(typeEnvironment.objectLegacyRawType,
-                  type, SubtypeCheckMode.ignoringNullabilities);
-        }
         return isSubtype(constant, type, SubtypeCheckMode.withNullabilities);
       } else {
         // In weak checking mode: if e evaluates to a value v and v has runtime
@@ -2859,12 +2844,6 @@
     }
   }
 
-  DartType lookupParameterValue(TypeParameter parameter) {
-    final DartType value = _typeVariables[parameter];
-    assert(value != null);
-    return value;
-  }
-
   Constant lookupVariable(VariableDeclaration variable) {
     Constant value = _variables[variable];
     if (value is UnevaluatedConstant) {
diff --git a/pkg/front_end/lib/src/fasta/kernel/inference_visitor.dart b/pkg/front_end/lib/src/fasta/kernel/inference_visitor.dart
index 76e41cb..9e96eec 100644
--- a/pkg/front_end/lib/src/fasta/kernel/inference_visitor.dart
+++ b/pkg/front_end/lib/src/fasta/kernel/inference_visitor.dart
@@ -107,24 +107,6 @@
   }
 
   @override
-  ExpressionInferenceResult visitDirectMethodInvocation(
-      DirectMethodInvocation node, DartType typeContext) {
-    return _unhandledExpression(node, typeContext);
-  }
-
-  @override
-  ExpressionInferenceResult visitDirectPropertyGet(
-      DirectPropertyGet node, DartType typeContext) {
-    return _unhandledExpression(node, typeContext);
-  }
-
-  @override
-  ExpressionInferenceResult visitDirectPropertySet(
-      DirectPropertySet node, DartType typeContext) {
-    return _unhandledExpression(node, typeContext);
-  }
-
-  @override
   ExpressionInferenceResult visitFileUriExpression(
       FileUriExpression node, DartType typeContext) {
     return _unhandledExpression(node, typeContext);
diff --git a/pkg/front_end/lib/src/fasta/kernel/kernel_constants.dart b/pkg/front_end/lib/src/fasta/kernel/kernel_constants.dart
index 61f5488..cf9d6cb 100644
--- a/pkg/front_end/lib/src/fasta/kernel/kernel_constants.dart
+++ b/pkg/front_end/lib/src/fasta/kernel/kernel_constants.dart
@@ -4,6 +4,7 @@
 
 library fasta.kernel_constants;
 
+import 'package:front_end/src/fasta/builder/library_builder.dart';
 import 'package:kernel/ast.dart' show InvalidExpression;
 
 import '../fasta_codes.dart' show LocatedMessage;
@@ -19,9 +20,27 @@
 
   @override
   void report(LocatedMessage message, List<LocatedMessage> context) {
-    loader.addProblem(
-        message.messageObject, message.charOffset, message.length, message.uri,
-        context: context);
+    // Try to find library.
+    LibraryBuilder builder = loader.builders[message.uri];
+    if (builder == null) {
+      for (LibraryBuilder candidate in loader.builders.values) {
+        if (candidate.fileUri == message.uri) {
+          // Found it.
+          builder = candidate;
+          break;
+        }
+      }
+    }
+    if (builder == null) {
+      // TODO(jensj): Probably a part or something.
+      loader.addProblem(message.messageObject, message.charOffset,
+          message.length, message.uri,
+          context: context);
+    } else {
+      builder.addProblem(message.messageObject, message.charOffset,
+          message.length, message.uri,
+          context: context);
+    }
   }
 
   @override
diff --git a/pkg/front_end/test/comments_on_certain_arguments_tool.dart b/pkg/front_end/test/comments_on_certain_arguments_tool.dart
index c0ff2cb..41045b5 100644
--- a/pkg/front_end/test/comments_on_certain_arguments_tool.dart
+++ b/pkg/front_end/test/comments_on_certain_arguments_tool.dart
@@ -170,11 +170,6 @@
     }
   }
 
-  void visitDirectMethodInvocation(DirectMethodInvocation node) {
-    super.visitDirectMethodInvocation(node);
-    note(node.targetReference.node, node.arguments, node);
-  }
-
   void visitSuperMethodInvocation(SuperMethodInvocation node) {
     super.visitSuperMethodInvocation(node);
     note(node.interfaceTargetReference.node, node.arguments, node);
diff --git a/pkg/front_end/testcases/agnostic/as.dart.strong.expect b/pkg/front_end/testcases/agnostic/as.dart.strong.expect
index a8f9bcc..2afa361 100644
--- a/pkg/front_end/testcases/agnostic/as.dart.strong.expect
+++ b/pkg/front_end/testcases/agnostic/as.dart.strong.expect
@@ -1,5 +1,6 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/agnostic/as.dart:5:20: Error: Constant evaluation error:
 // const a = <Null>[] as List<int>;
@@ -21,7 +22,6 @@
 // const b = <int?>[] as List<int>;
 //       ^
 //
-library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/agnostic/as.dart.strong.transformed.expect b/pkg/front_end/testcases/agnostic/as.dart.strong.transformed.expect
index a8f9bcc..2afa361 100644
--- a/pkg/front_end/testcases/agnostic/as.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/agnostic/as.dart.strong.transformed.expect
@@ -1,5 +1,6 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/agnostic/as.dart:5:20: Error: Constant evaluation error:
 // const a = <Null>[] as List<int>;
@@ -21,7 +22,6 @@
 // const b = <int?>[] as List<int>;
 //       ^
 //
-library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/agnostic/identical.dart.strong.expect b/pkg/front_end/testcases/agnostic/identical.dart.strong.expect
index c195846..fd8a51e 100644
--- a/pkg/front_end/testcases/agnostic/identical.dart.strong.expect
+++ b/pkg/front_end/testcases/agnostic/identical.dart.strong.expect
@@ -1,5 +1,6 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/agnostic/identical.dart:7:11: Error: Constant evaluation error:
 // const c = identical(a, b);
@@ -11,7 +12,6 @@
 // const c = identical(a, b);
 //       ^
 //
-library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/agnostic/identical.dart.strong.transformed.expect b/pkg/front_end/testcases/agnostic/identical.dart.strong.transformed.expect
index c195846..fd8a51e 100644
--- a/pkg/front_end/testcases/agnostic/identical.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/agnostic/identical.dart.strong.transformed.expect
@@ -1,5 +1,6 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/agnostic/identical.dart:7:11: Error: Constant evaluation error:
 // const c = identical(a, b);
@@ -11,7 +12,6 @@
 // const c = identical(a, b);
 //       ^
 //
-library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/agnostic/is.dart.strong.expect b/pkg/front_end/testcases/agnostic/is.dart.strong.expect
index 4686996..82dac4a 100644
--- a/pkg/front_end/testcases/agnostic/is.dart.strong.expect
+++ b/pkg/front_end/testcases/agnostic/is.dart.strong.expect
@@ -1,5 +1,6 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/agnostic/is.dart:5:20: Error: Constant evaluation error:
 // const a = <Null>[] is List<int>;
@@ -21,7 +22,6 @@
 // const b = <int?>[] is List<int>;
 //       ^
 //
-library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/agnostic/is.dart.strong.transformed.expect b/pkg/front_end/testcases/agnostic/is.dart.strong.transformed.expect
index 4686996..82dac4a 100644
--- a/pkg/front_end/testcases/agnostic/is.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/agnostic/is.dart.strong.transformed.expect
@@ -1,5 +1,6 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/agnostic/is.dart:5:20: Error: Constant evaluation error:
 // const a = <Null>[] is List<int>;
@@ -21,7 +22,6 @@
 // const b = <int?>[] is List<int>;
 //       ^
 //
-library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/agnostic/map.dart.strong.expect b/pkg/front_end/testcases/agnostic/map.dart.strong.expect
index e976e83..021aca0 100644
--- a/pkg/front_end/testcases/agnostic/map.dart.strong.expect
+++ b/pkg/front_end/testcases/agnostic/map.dart.strong.expect
@@ -1,5 +1,6 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/agnostic/map.dart:7:11: Error: Constant evaluation error:
 // const c = {a: 0, b: 1};
@@ -11,7 +12,6 @@
 // const c = {a: 0, b: 1};
 //       ^
 //
-library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/agnostic/map.dart.strong.transformed.expect b/pkg/front_end/testcases/agnostic/map.dart.strong.transformed.expect
index e976e83..021aca0 100644
--- a/pkg/front_end/testcases/agnostic/map.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/agnostic/map.dart.strong.transformed.expect
@@ -1,5 +1,6 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/agnostic/map.dart:7:11: Error: Constant evaluation error:
 // const c = {a: 0, b: 1};
@@ -11,7 +12,6 @@
 // const c = {a: 0, b: 1};
 //       ^
 //
-library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/agnostic/map.dart.weak.expect b/pkg/front_end/testcases/agnostic/map.dart.weak.expect
index 8b33ddc..1d3e649 100644
--- a/pkg/front_end/testcases/agnostic/map.dart.weak.expect
+++ b/pkg/front_end/testcases/agnostic/map.dart.weak.expect
@@ -1,5 +1,6 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/agnostic/map.dart:7:11: Error: Constant evaluation error:
 // const c = {a: 0, b: 1};
@@ -11,7 +12,6 @@
 // const c = {a: 0, b: 1};
 //       ^
 //
-library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/agnostic/map.dart.weak.transformed.expect b/pkg/front_end/testcases/agnostic/map.dart.weak.transformed.expect
index 8b33ddc..1d3e649 100644
--- a/pkg/front_end/testcases/agnostic/map.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/agnostic/map.dart.weak.transformed.expect
@@ -1,5 +1,6 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/agnostic/map.dart:7:11: Error: Constant evaluation error:
 // const c = {a: 0, b: 1};
@@ -11,7 +12,6 @@
 // const c = {a: 0, b: 1};
 //       ^
 //
-library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/agnostic/set.dart.strong.expect b/pkg/front_end/testcases/agnostic/set.dart.strong.expect
index b92b78e..ad0fc3d 100644
--- a/pkg/front_end/testcases/agnostic/set.dart.strong.expect
+++ b/pkg/front_end/testcases/agnostic/set.dart.strong.expect
@@ -1,5 +1,6 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/agnostic/set.dart:7:11: Error: Constant evaluation error:
 // const c = {a, b};
@@ -11,7 +12,6 @@
 // const c = {a, b};
 //       ^
 //
-library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/agnostic/set.dart.strong.transformed.expect b/pkg/front_end/testcases/agnostic/set.dart.strong.transformed.expect
index b92b78e..ad0fc3d 100644
--- a/pkg/front_end/testcases/agnostic/set.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/agnostic/set.dart.strong.transformed.expect
@@ -1,5 +1,6 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/agnostic/set.dart:7:11: Error: Constant evaluation error:
 // const c = {a, b};
@@ -11,7 +12,6 @@
 // const c = {a, b};
 //       ^
 //
-library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/agnostic/set.dart.weak.expect b/pkg/front_end/testcases/agnostic/set.dart.weak.expect
index 9864f71..f33d0a9 100644
--- a/pkg/front_end/testcases/agnostic/set.dart.weak.expect
+++ b/pkg/front_end/testcases/agnostic/set.dart.weak.expect
@@ -1,5 +1,6 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/agnostic/set.dart:7:11: Error: Constant evaluation error:
 // const c = {a, b};
@@ -11,7 +12,6 @@
 // const c = {a, b};
 //       ^
 //
-library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/agnostic/set.dart.weak.transformed.expect b/pkg/front_end/testcases/agnostic/set.dart.weak.transformed.expect
index 9864f71..f33d0a9 100644
--- a/pkg/front_end/testcases/agnostic/set.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/agnostic/set.dart.weak.transformed.expect
@@ -1,5 +1,6 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/agnostic/set.dart:7:11: Error: Constant evaluation error:
 // const c = {a, b};
@@ -11,7 +12,6 @@
 // const c = {a, b};
 //       ^
 //
-library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/general/constant_truncate.dart.strong.expect b/pkg/front_end/testcases/general/constant_truncate.dart.strong.expect
index 5e6673e..c07b061 100644
--- a/pkg/front_end/testcases/general/constant_truncate.dart.strong.expect
+++ b/pkg/front_end/testcases/general/constant_truncate.dart.strong.expect
@@ -1,5 +1,6 @@
+library;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/general/constant_truncate.dart:5:14: Error: Constant evaluation error:
 // const a0 = 0 ~/ 0; // error
@@ -301,7 +302,6 @@
 // const f5 = double.negativeInfinity ~/ double.negativeInfinity; // error
 //       ^
 //
-library;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/general/constant_truncate.dart.strong.transformed.expect b/pkg/front_end/testcases/general/constant_truncate.dart.strong.transformed.expect
index 9d88e9d..dc0d52e 100644
--- a/pkg/front_end/testcases/general/constant_truncate.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/general/constant_truncate.dart.strong.transformed.expect
@@ -1,5 +1,6 @@
+library;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/general/constant_truncate.dart:5:14: Error: Constant evaluation error:
 // const a0 = 0 ~/ 0; // error
@@ -301,7 +302,6 @@
 // const f5 = double.negativeInfinity ~/ double.negativeInfinity; // error
 //       ^
 //
-library;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/general/constants/const_asserts.dart.strong.expect b/pkg/front_end/testcases/general/constants/const_asserts.dart.strong.expect
index 5d77622..2f17318 100644
--- a/pkg/front_end/testcases/general/constants/const_asserts.dart.strong.expect
+++ b/pkg/front_end/testcases/general/constants/const_asserts.dart.strong.expect
@@ -1,5 +1,15 @@
+library;
 //
-// Problems in component:
+// Problems in library:
+//
+// pkg/front_end/testcases/general/constants/const_asserts.dart:17:51: Error: A value of type 'int' can't be assigned to a variable of type 'bool'.
+//   const Foo.withInvalidCondition(this.x) : assert(x);
+//                                                   ^
+//
+// pkg/front_end/testcases/general/constants/const_asserts.dart:19:21: Error: Constant expression expected.
+// Try inserting 'const'.
+//       : assert(bool.fromEnvironment("foo", defaultValue: null));
+//                     ^^^^^^^^^^^^^^^
 //
 // pkg/front_end/testcases/general/constants/const_asserts.dart:32:24: Error: Constant evaluation error:
 // const Foo foo2 = const Foo(0);
@@ -111,19 +121,6 @@
 // const Bar bar6 = const Bar.withEmptyMessage(0);
 //           ^
 //
-library;
-//
-// Problems in library:
-//
-// pkg/front_end/testcases/general/constants/const_asserts.dart:17:51: Error: A value of type 'int' can't be assigned to a variable of type 'bool'.
-//   const Foo.withInvalidCondition(this.x) : assert(x);
-//                                                   ^
-//
-// pkg/front_end/testcases/general/constants/const_asserts.dart:19:21: Error: Constant expression expected.
-// Try inserting 'const'.
-//       : assert(bool.fromEnvironment("foo", defaultValue: null));
-//                     ^^^^^^^^^^^^^^^
-//
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/general/constants/const_asserts.dart.strong.transformed.expect b/pkg/front_end/testcases/general/constants/const_asserts.dart.strong.transformed.expect
index d5afd92..5302b40 100644
--- a/pkg/front_end/testcases/general/constants/const_asserts.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/general/constants/const_asserts.dart.strong.transformed.expect
@@ -1,5 +1,15 @@
+library;
 //
-// Problems in component:
+// Problems in library:
+//
+// pkg/front_end/testcases/general/constants/const_asserts.dart:17:51: Error: A value of type 'int' can't be assigned to a variable of type 'bool'.
+//   const Foo.withInvalidCondition(this.x) : assert(x);
+//                                                   ^
+//
+// pkg/front_end/testcases/general/constants/const_asserts.dart:19:21: Error: Constant expression expected.
+// Try inserting 'const'.
+//       : assert(bool.fromEnvironment("foo", defaultValue: null));
+//                     ^^^^^^^^^^^^^^^
 //
 // pkg/front_end/testcases/general/constants/const_asserts.dart:32:24: Error: Constant evaluation error:
 // const Foo foo2 = const Foo(0);
@@ -111,19 +121,6 @@
 // const Bar bar6 = const Bar.withEmptyMessage(0);
 //           ^
 //
-library;
-//
-// Problems in library:
-//
-// pkg/front_end/testcases/general/constants/const_asserts.dart:17:51: Error: A value of type 'int' can't be assigned to a variable of type 'bool'.
-//   const Foo.withInvalidCondition(this.x) : assert(x);
-//                                                   ^
-//
-// pkg/front_end/testcases/general/constants/const_asserts.dart:19:21: Error: Constant expression expected.
-// Try inserting 'const'.
-//       : assert(bool.fromEnvironment("foo", defaultValue: null));
-//                     ^^^^^^^^^^^^^^^
-//
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/general/constants/const_collections.dart.strong.expect b/pkg/front_end/testcases/general/constants/const_collections.dart.strong.expect
index c6c94c1..e193519 100644
--- a/pkg/front_end/testcases/general/constants/const_collections.dart.strong.expect
+++ b/pkg/front_end/testcases/general/constants/const_collections.dart.strong.expect
@@ -1,5 +1,44 @@
+library;
 //
-// Problems in component:
+// Problems in library:
+//
+// pkg/front_end/testcases/general/constants/const_collections.dart:23:51: Error: Unexpected type 'int' of a spread.  Expected 'dynamic' or an Iterable.
+// const List<String> barWithIntSpread = [...foo, ...fortyTwo];
+//                                                   ^
+//
+// pkg/front_end/testcases/general/constants/const_collections.dart:25:51: Error: Unexpected type 'Map<String, String>' of a spread.  Expected 'dynamic' or an Iterable.
+//  - 'Map' is from 'dart:core'.
+// const List<String> barWithMapSpread = [...foo, ...quux];
+//                                                   ^
+//
+// pkg/front_end/testcases/general/constants/const_collections.dart:41:50: Error: Unexpected type 'int' of a map spread entry.  Expected 'dynamic' or a Map.
+// const Set<String> quxWithIntSpread = {...baz, ...fortyTwo};
+//                                                  ^
+//
+// pkg/front_end/testcases/general/constants/const_collections.dart:41:50: Error: Expected ',' before this.
+// const Set<String> quxWithIntSpread = {...baz, ...fortyTwo};
+//                                                  ^
+//
+// pkg/front_end/testcases/general/constants/const_collections.dart:42:38: Error: Both Iterable and Map spread elements encountered in ambiguous literal.
+// const Set<String> quxWithMapSpread = {...baz, ...quux};
+//                                      ^
+//
+// pkg/front_end/testcases/general/constants/const_collections.dart:48:59: Error: A value of type 'CustomIterable' can't be assigned to a variable of type 'String'.
+//  - 'CustomIterable' is from 'pkg/front_end/testcases/general/constants/const_collections.dart'.
+// const Set<String> quxWithCustomIterableSpread3 = {...baz, customIterable};
+//                                                           ^
+//
+// pkg/front_end/testcases/general/constants/const_collections.dart:58:60: Error: Unexpected type 'int' of a map spread entry.  Expected 'dynamic' or a Map.
+// const Map<String, String> quuzWithIntSpread = {...quux, ...fortyTwo};
+//                                                            ^
+//
+// pkg/front_end/testcases/general/constants/const_collections.dart:59:47: Error: Both Iterable and Map spread elements encountered in ambiguous literal.
+// const Map<String, String> quuzWithSetSpread = {...quux, ...baz};
+//                                               ^
+//
+// pkg/front_end/testcases/general/constants/const_collections.dart:60:46: Error: Both Iterable and Map spread elements encountered in ambiguous literal.
+// const Map<String, String> mapWithSetSpread = {...baz};
+//                                              ^
 //
 // pkg/front_end/testcases/general/constants/const_collections.dart:22:40: Error: Constant evaluation error:
 // const List<String> barWithNullSpread = [...foo, ...nullList];
@@ -174,48 +213,6 @@
 // const Map<int, int> mapWithDuplicates = {42: 42, 42: 42};
 //                     ^
 //
-library;
-//
-// Problems in library:
-//
-// pkg/front_end/testcases/general/constants/const_collections.dart:23:51: Error: Unexpected type 'int' of a spread.  Expected 'dynamic' or an Iterable.
-// const List<String> barWithIntSpread = [...foo, ...fortyTwo];
-//                                                   ^
-//
-// pkg/front_end/testcases/general/constants/const_collections.dart:25:51: Error: Unexpected type 'Map<String, String>' of a spread.  Expected 'dynamic' or an Iterable.
-//  - 'Map' is from 'dart:core'.
-// const List<String> barWithMapSpread = [...foo, ...quux];
-//                                                   ^
-//
-// pkg/front_end/testcases/general/constants/const_collections.dart:41:50: Error: Unexpected type 'int' of a map spread entry.  Expected 'dynamic' or a Map.
-// const Set<String> quxWithIntSpread = {...baz, ...fortyTwo};
-//                                                  ^
-//
-// pkg/front_end/testcases/general/constants/const_collections.dart:41:50: Error: Expected ',' before this.
-// const Set<String> quxWithIntSpread = {...baz, ...fortyTwo};
-//                                                  ^
-//
-// pkg/front_end/testcases/general/constants/const_collections.dart:42:38: Error: Both Iterable and Map spread elements encountered in ambiguous literal.
-// const Set<String> quxWithMapSpread = {...baz, ...quux};
-//                                      ^
-//
-// pkg/front_end/testcases/general/constants/const_collections.dart:48:59: Error: A value of type 'CustomIterable' can't be assigned to a variable of type 'String'.
-//  - 'CustomIterable' is from 'pkg/front_end/testcases/general/constants/const_collections.dart'.
-// const Set<String> quxWithCustomIterableSpread3 = {...baz, customIterable};
-//                                                           ^
-//
-// pkg/front_end/testcases/general/constants/const_collections.dart:58:60: Error: Unexpected type 'int' of a map spread entry.  Expected 'dynamic' or a Map.
-// const Map<String, String> quuzWithIntSpread = {...quux, ...fortyTwo};
-//                                                            ^
-//
-// pkg/front_end/testcases/general/constants/const_collections.dart:59:47: Error: Both Iterable and Map spread elements encountered in ambiguous literal.
-// const Map<String, String> quuzWithSetSpread = {...quux, ...baz};
-//                                               ^
-//
-// pkg/front_end/testcases/general/constants/const_collections.dart:60:46: Error: Both Iterable and Map spread elements encountered in ambiguous literal.
-// const Map<String, String> mapWithSetSpread = {...baz};
-//                                              ^
-//
 import self as self;
 import "dart:collection" as col;
 import "dart:core" as core;
diff --git a/pkg/front_end/testcases/general/constants/const_collections.dart.strong.transformed.expect b/pkg/front_end/testcases/general/constants/const_collections.dart.strong.transformed.expect
index 0bbe0da..23d8ad3 100644
--- a/pkg/front_end/testcases/general/constants/const_collections.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/general/constants/const_collections.dart.strong.transformed.expect
@@ -1,5 +1,44 @@
+library;
 //
-// Problems in component:
+// Problems in library:
+//
+// pkg/front_end/testcases/general/constants/const_collections.dart:23:51: Error: Unexpected type 'int' of a spread.  Expected 'dynamic' or an Iterable.
+// const List<String> barWithIntSpread = [...foo, ...fortyTwo];
+//                                                   ^
+//
+// pkg/front_end/testcases/general/constants/const_collections.dart:25:51: Error: Unexpected type 'Map<String, String>' of a spread.  Expected 'dynamic' or an Iterable.
+//  - 'Map' is from 'dart:core'.
+// const List<String> barWithMapSpread = [...foo, ...quux];
+//                                                   ^
+//
+// pkg/front_end/testcases/general/constants/const_collections.dart:41:50: Error: Unexpected type 'int' of a map spread entry.  Expected 'dynamic' or a Map.
+// const Set<String> quxWithIntSpread = {...baz, ...fortyTwo};
+//                                                  ^
+//
+// pkg/front_end/testcases/general/constants/const_collections.dart:41:50: Error: Expected ',' before this.
+// const Set<String> quxWithIntSpread = {...baz, ...fortyTwo};
+//                                                  ^
+//
+// pkg/front_end/testcases/general/constants/const_collections.dart:42:38: Error: Both Iterable and Map spread elements encountered in ambiguous literal.
+// const Set<String> quxWithMapSpread = {...baz, ...quux};
+//                                      ^
+//
+// pkg/front_end/testcases/general/constants/const_collections.dart:48:59: Error: A value of type 'CustomIterable' can't be assigned to a variable of type 'String'.
+//  - 'CustomIterable' is from 'pkg/front_end/testcases/general/constants/const_collections.dart'.
+// const Set<String> quxWithCustomIterableSpread3 = {...baz, customIterable};
+//                                                           ^
+//
+// pkg/front_end/testcases/general/constants/const_collections.dart:58:60: Error: Unexpected type 'int' of a map spread entry.  Expected 'dynamic' or a Map.
+// const Map<String, String> quuzWithIntSpread = {...quux, ...fortyTwo};
+//                                                            ^
+//
+// pkg/front_end/testcases/general/constants/const_collections.dart:59:47: Error: Both Iterable and Map spread elements encountered in ambiguous literal.
+// const Map<String, String> quuzWithSetSpread = {...quux, ...baz};
+//                                               ^
+//
+// pkg/front_end/testcases/general/constants/const_collections.dart:60:46: Error: Both Iterable and Map spread elements encountered in ambiguous literal.
+// const Map<String, String> mapWithSetSpread = {...baz};
+//                                              ^
 //
 // pkg/front_end/testcases/general/constants/const_collections.dart:22:40: Error: Constant evaluation error:
 // const List<String> barWithNullSpread = [...foo, ...nullList];
@@ -174,48 +213,6 @@
 // const Map<int, int> mapWithDuplicates = {42: 42, 42: 42};
 //                     ^
 //
-library;
-//
-// Problems in library:
-//
-// pkg/front_end/testcases/general/constants/const_collections.dart:23:51: Error: Unexpected type 'int' of a spread.  Expected 'dynamic' or an Iterable.
-// const List<String> barWithIntSpread = [...foo, ...fortyTwo];
-//                                                   ^
-//
-// pkg/front_end/testcases/general/constants/const_collections.dart:25:51: Error: Unexpected type 'Map<String, String>' of a spread.  Expected 'dynamic' or an Iterable.
-//  - 'Map' is from 'dart:core'.
-// const List<String> barWithMapSpread = [...foo, ...quux];
-//                                                   ^
-//
-// pkg/front_end/testcases/general/constants/const_collections.dart:41:50: Error: Unexpected type 'int' of a map spread entry.  Expected 'dynamic' or a Map.
-// const Set<String> quxWithIntSpread = {...baz, ...fortyTwo};
-//                                                  ^
-//
-// pkg/front_end/testcases/general/constants/const_collections.dart:41:50: Error: Expected ',' before this.
-// const Set<String> quxWithIntSpread = {...baz, ...fortyTwo};
-//                                                  ^
-//
-// pkg/front_end/testcases/general/constants/const_collections.dart:42:38: Error: Both Iterable and Map spread elements encountered in ambiguous literal.
-// const Set<String> quxWithMapSpread = {...baz, ...quux};
-//                                      ^
-//
-// pkg/front_end/testcases/general/constants/const_collections.dart:48:59: Error: A value of type 'CustomIterable' can't be assigned to a variable of type 'String'.
-//  - 'CustomIterable' is from 'pkg/front_end/testcases/general/constants/const_collections.dart'.
-// const Set<String> quxWithCustomIterableSpread3 = {...baz, customIterable};
-//                                                           ^
-//
-// pkg/front_end/testcases/general/constants/const_collections.dart:58:60: Error: Unexpected type 'int' of a map spread entry.  Expected 'dynamic' or a Map.
-// const Map<String, String> quuzWithIntSpread = {...quux, ...fortyTwo};
-//                                                            ^
-//
-// pkg/front_end/testcases/general/constants/const_collections.dart:59:47: Error: Both Iterable and Map spread elements encountered in ambiguous literal.
-// const Map<String, String> quuzWithSetSpread = {...quux, ...baz};
-//                                               ^
-//
-// pkg/front_end/testcases/general/constants/const_collections.dart:60:46: Error: Both Iterable and Map spread elements encountered in ambiguous literal.
-// const Map<String, String> mapWithSetSpread = {...baz};
-//                                              ^
-//
 import self as self;
 import "dart:collection" as col;
 import "dart:core" as core;
diff --git a/pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart.strong.expect b/pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart.strong.expect
index 351a41d..a425f18 100644
--- a/pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart.strong.expect
+++ b/pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart.strong.expect
@@ -1,5 +1,30 @@
+library;
 //
-// Problems in component:
+// Problems in library:
+//
+// pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart:13:23: Error: '+' is not a prefix operator.
+// Try removing '+'.
+// const int unaryPlus = +2;
+//                       ^
+//
+// pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart:6:30: Error: The operator '>>>' isn't defined for the class 'int'.
+// Try correcting the operator to an existing operator, or defining a '>>>' operator.
+// const int shiftNegative2 = 2 >>> -1;
+//                              ^^^
+//
+// pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart:9:23: Error: A value of type 'double' can't be assigned to a variable of type 'int'.
+// const int divZero = 2 / 0;
+//                       ^
+//
+// pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart:27:29: Error: The operator '>>>' isn't defined for the class 'int'.
+// Try correcting the operator to an existing operator, or defining a '>>>' operator.
+// const int binaryShift2 = 84 >>> 1;
+//                             ^^^
+//
+// pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart:28:29: Error: The operator '>>>' isn't defined for the class 'int'.
+// Try correcting the operator to an existing operator, or defining a '>>>' operator.
+// const int binaryShift3 = 21 >>> 64;
+//                             ^^^
 //
 // pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart:5:30: Error: Constant evaluation error:
 // const int shiftNegative1 = 2 << -1;
@@ -71,34 +96,6 @@
 // const int doubleTruncateDivNaN = 84.2 ~/ doubleNan;
 //           ^
 //
-library;
-//
-// Problems in library:
-//
-// pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart:13:23: Error: '+' is not a prefix operator.
-// Try removing '+'.
-// const int unaryPlus = +2;
-//                       ^
-//
-// pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart:6:30: Error: The operator '>>>' isn't defined for the class 'int'.
-// Try correcting the operator to an existing operator, or defining a '>>>' operator.
-// const int shiftNegative2 = 2 >>> -1;
-//                              ^^^
-//
-// pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart:9:23: Error: A value of type 'double' can't be assigned to a variable of type 'int'.
-// const int divZero = 2 / 0;
-//                       ^
-//
-// pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart:27:29: Error: The operator '>>>' isn't defined for the class 'int'.
-// Try correcting the operator to an existing operator, or defining a '>>>' operator.
-// const int binaryShift2 = 84 >>> 1;
-//                             ^^^
-//
-// pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart:28:29: Error: The operator '>>>' isn't defined for the class 'int'.
-// Try correcting the operator to an existing operator, or defining a '>>>' operator.
-// const int binaryShift3 = 21 >>> 64;
-//                             ^^^
-//
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart.strong.transformed.expect b/pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart.strong.transformed.expect
index 351a41d..a425f18 100644
--- a/pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart.strong.transformed.expect
@@ -1,5 +1,30 @@
+library;
 //
-// Problems in component:
+// Problems in library:
+//
+// pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart:13:23: Error: '+' is not a prefix operator.
+// Try removing '+'.
+// const int unaryPlus = +2;
+//                       ^
+//
+// pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart:6:30: Error: The operator '>>>' isn't defined for the class 'int'.
+// Try correcting the operator to an existing operator, or defining a '>>>' operator.
+// const int shiftNegative2 = 2 >>> -1;
+//                              ^^^
+//
+// pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart:9:23: Error: A value of type 'double' can't be assigned to a variable of type 'int'.
+// const int divZero = 2 / 0;
+//                       ^
+//
+// pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart:27:29: Error: The operator '>>>' isn't defined for the class 'int'.
+// Try correcting the operator to an existing operator, or defining a '>>>' operator.
+// const int binaryShift2 = 84 >>> 1;
+//                             ^^^
+//
+// pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart:28:29: Error: The operator '>>>' isn't defined for the class 'int'.
+// Try correcting the operator to an existing operator, or defining a '>>>' operator.
+// const int binaryShift3 = 21 >>> 64;
+//                             ^^^
 //
 // pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart:5:30: Error: Constant evaluation error:
 // const int shiftNegative1 = 2 << -1;
@@ -71,34 +96,6 @@
 // const int doubleTruncateDivNaN = 84.2 ~/ doubleNan;
 //           ^
 //
-library;
-//
-// Problems in library:
-//
-// pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart:13:23: Error: '+' is not a prefix operator.
-// Try removing '+'.
-// const int unaryPlus = +2;
-//                       ^
-//
-// pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart:6:30: Error: The operator '>>>' isn't defined for the class 'int'.
-// Try correcting the operator to an existing operator, or defining a '>>>' operator.
-// const int shiftNegative2 = 2 >>> -1;
-//                              ^^^
-//
-// pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart:9:23: Error: A value of type 'double' can't be assigned to a variable of type 'int'.
-// const int divZero = 2 / 0;
-//                       ^
-//
-// pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart:27:29: Error: The operator '>>>' isn't defined for the class 'int'.
-// Try correcting the operator to an existing operator, or defining a '>>>' operator.
-// const int binaryShift2 = 84 >>> 1;
-//                             ^^^
-//
-// pkg/front_end/testcases/general/constants/js_semantics/number_folds.dart:28:29: Error: The operator '>>>' isn't defined for the class 'int'.
-// Try correcting the operator to an existing operator, or defining a '>>>' operator.
-// const int binaryShift3 = 21 >>> 64;
-//                             ^^^
-//
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/general/constants/no_experiments/various.dart.strong.expect b/pkg/front_end/testcases/general/constants/no_experiments/various.dart.strong.expect
index d69a863..d856926 100644
--- a/pkg/front_end/testcases/general/constants/no_experiments/various.dart.strong.expect
+++ b/pkg/front_end/testcases/general/constants/no_experiments/various.dart.strong.expect
@@ -1,5 +1,6 @@
+library;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/general/constants/no_experiments/various.dart:5:40: Error: Constant evaluation error:
 // const Symbol tripleShiftSymbol = const Symbol(">>>");
@@ -11,7 +12,6 @@
 // const Symbol tripleShiftSymbol = const Symbol(">>>");
 //              ^
 //
-library;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/general/constants/no_experiments/various.dart.strong.transformed.expect b/pkg/front_end/testcases/general/constants/no_experiments/various.dart.strong.transformed.expect
index d69a863..d856926 100644
--- a/pkg/front_end/testcases/general/constants/no_experiments/various.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/general/constants/no_experiments/various.dart.strong.transformed.expect
@@ -1,5 +1,6 @@
+library;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/general/constants/no_experiments/various.dart:5:40: Error: Constant evaluation error:
 // const Symbol tripleShiftSymbol = const Symbol(">>>");
@@ -11,7 +12,6 @@
 // const Symbol tripleShiftSymbol = const Symbol(">>>");
 //              ^
 //
-library;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/general/constants/number_folds.dart.strong.expect b/pkg/front_end/testcases/general/constants/number_folds.dart.strong.expect
index 551adf0..f20a0df 100644
--- a/pkg/front_end/testcases/general/constants/number_folds.dart.strong.expect
+++ b/pkg/front_end/testcases/general/constants/number_folds.dart.strong.expect
@@ -1,5 +1,30 @@
+library;
 //
-// Problems in component:
+// Problems in library:
+//
+// pkg/front_end/testcases/general/constants/number_folds.dart:13:23: Error: '+' is not a prefix operator.
+// Try removing '+'.
+// const int unaryPlus = +2;
+//                       ^
+//
+// pkg/front_end/testcases/general/constants/number_folds.dart:6:30: Error: The operator '>>>' isn't defined for the class 'int'.
+// Try correcting the operator to an existing operator, or defining a '>>>' operator.
+// const int shiftNegative2 = 2 >>> -1;
+//                              ^^^
+//
+// pkg/front_end/testcases/general/constants/number_folds.dart:9:23: Error: A value of type 'double' can't be assigned to a variable of type 'int'.
+// const int divZero = 2 / 0;
+//                       ^
+//
+// pkg/front_end/testcases/general/constants/number_folds.dart:27:29: Error: The operator '>>>' isn't defined for the class 'int'.
+// Try correcting the operator to an existing operator, or defining a '>>>' operator.
+// const int binaryShift2 = 84 >>> 1;
+//                             ^^^
+//
+// pkg/front_end/testcases/general/constants/number_folds.dart:28:29: Error: The operator '>>>' isn't defined for the class 'int'.
+// Try correcting the operator to an existing operator, or defining a '>>>' operator.
+// const int binaryShift3 = 21 >>> 64;
+//                             ^^^
 //
 // pkg/front_end/testcases/general/constants/number_folds.dart:5:30: Error: Constant evaluation error:
 // const int shiftNegative1 = 2 << -1;
@@ -71,34 +96,6 @@
 // const int doubleTruncateDivNaN = 84.2 ~/ doubleNan;
 //           ^
 //
-library;
-//
-// Problems in library:
-//
-// pkg/front_end/testcases/general/constants/number_folds.dart:13:23: Error: '+' is not a prefix operator.
-// Try removing '+'.
-// const int unaryPlus = +2;
-//                       ^
-//
-// pkg/front_end/testcases/general/constants/number_folds.dart:6:30: Error: The operator '>>>' isn't defined for the class 'int'.
-// Try correcting the operator to an existing operator, or defining a '>>>' operator.
-// const int shiftNegative2 = 2 >>> -1;
-//                              ^^^
-//
-// pkg/front_end/testcases/general/constants/number_folds.dart:9:23: Error: A value of type 'double' can't be assigned to a variable of type 'int'.
-// const int divZero = 2 / 0;
-//                       ^
-//
-// pkg/front_end/testcases/general/constants/number_folds.dart:27:29: Error: The operator '>>>' isn't defined for the class 'int'.
-// Try correcting the operator to an existing operator, or defining a '>>>' operator.
-// const int binaryShift2 = 84 >>> 1;
-//                             ^^^
-//
-// pkg/front_end/testcases/general/constants/number_folds.dart:28:29: Error: The operator '>>>' isn't defined for the class 'int'.
-// Try correcting the operator to an existing operator, or defining a '>>>' operator.
-// const int binaryShift3 = 21 >>> 64;
-//                             ^^^
-//
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/general/constants/number_folds.dart.strong.transformed.expect b/pkg/front_end/testcases/general/constants/number_folds.dart.strong.transformed.expect
index 551adf0..f20a0df 100644
--- a/pkg/front_end/testcases/general/constants/number_folds.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/general/constants/number_folds.dart.strong.transformed.expect
@@ -1,5 +1,30 @@
+library;
 //
-// Problems in component:
+// Problems in library:
+//
+// pkg/front_end/testcases/general/constants/number_folds.dart:13:23: Error: '+' is not a prefix operator.
+// Try removing '+'.
+// const int unaryPlus = +2;
+//                       ^
+//
+// pkg/front_end/testcases/general/constants/number_folds.dart:6:30: Error: The operator '>>>' isn't defined for the class 'int'.
+// Try correcting the operator to an existing operator, or defining a '>>>' operator.
+// const int shiftNegative2 = 2 >>> -1;
+//                              ^^^
+//
+// pkg/front_end/testcases/general/constants/number_folds.dart:9:23: Error: A value of type 'double' can't be assigned to a variable of type 'int'.
+// const int divZero = 2 / 0;
+//                       ^
+//
+// pkg/front_end/testcases/general/constants/number_folds.dart:27:29: Error: The operator '>>>' isn't defined for the class 'int'.
+// Try correcting the operator to an existing operator, or defining a '>>>' operator.
+// const int binaryShift2 = 84 >>> 1;
+//                             ^^^
+//
+// pkg/front_end/testcases/general/constants/number_folds.dart:28:29: Error: The operator '>>>' isn't defined for the class 'int'.
+// Try correcting the operator to an existing operator, or defining a '>>>' operator.
+// const int binaryShift3 = 21 >>> 64;
+//                             ^^^
 //
 // pkg/front_end/testcases/general/constants/number_folds.dart:5:30: Error: Constant evaluation error:
 // const int shiftNegative1 = 2 << -1;
@@ -71,34 +96,6 @@
 // const int doubleTruncateDivNaN = 84.2 ~/ doubleNan;
 //           ^
 //
-library;
-//
-// Problems in library:
-//
-// pkg/front_end/testcases/general/constants/number_folds.dart:13:23: Error: '+' is not a prefix operator.
-// Try removing '+'.
-// const int unaryPlus = +2;
-//                       ^
-//
-// pkg/front_end/testcases/general/constants/number_folds.dart:6:30: Error: The operator '>>>' isn't defined for the class 'int'.
-// Try correcting the operator to an existing operator, or defining a '>>>' operator.
-// const int shiftNegative2 = 2 >>> -1;
-//                              ^^^
-//
-// pkg/front_end/testcases/general/constants/number_folds.dart:9:23: Error: A value of type 'double' can't be assigned to a variable of type 'int'.
-// const int divZero = 2 / 0;
-//                       ^
-//
-// pkg/front_end/testcases/general/constants/number_folds.dart:27:29: Error: The operator '>>>' isn't defined for the class 'int'.
-// Try correcting the operator to an existing operator, or defining a '>>>' operator.
-// const int binaryShift2 = 84 >>> 1;
-//                             ^^^
-//
-// pkg/front_end/testcases/general/constants/number_folds.dart:28:29: Error: The operator '>>>' isn't defined for the class 'int'.
-// Try correcting the operator to an existing operator, or defining a '>>>' operator.
-// const int binaryShift3 = 21 >>> 64;
-//                             ^^^
-//
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/general/constants/various.dart.strong.expect b/pkg/front_end/testcases/general/constants/various.dart.strong.expect
index eb69153..a6df3e4 100644
--- a/pkg/front_end/testcases/general/constants/various.dart.strong.expect
+++ b/pkg/front_end/testcases/general/constants/various.dart.strong.expect
@@ -1,5 +1,104 @@
+library;
 //
-// Problems in component:
+// Problems in library:
+//
+// pkg/front_end/testcases/general/constants/various.dart:162:3: Error: A const constructor can't have a body.
+// Try removing either the 'const' keyword or the body.
+//   const ClassWithNonEmptyConstConstructor() {
+//   ^^^^^
+//
+// pkg/front_end/testcases/general/constants/various.dart:76:14: Error: Not a constant expression.
+// const x1 = --x;
+//              ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:77:14: Error: Not a constant expression.
+// const x2 = ++x;
+//              ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:78:12: Error: Not a constant expression.
+// const x3 = x--;
+//            ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:79:12: Error: Not a constant expression.
+// const x4 = x++;
+//            ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:82:14: Error: Setter not found: 'y'.
+// const y1 = --y;
+//              ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:83:14: Error: Setter not found: 'y'.
+// const y2 = ++y;
+//              ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:84:12: Error: Setter not found: 'y'.
+// const y3 = y--;
+//            ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:85:12: Error: Setter not found: 'y'.
+// const y4 = y++;
+//            ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:140:24: Error: Not a constant expression.
+// const function_const = () {};
+//                        ^^
+//
+// pkg/front_end/testcases/general/constants/various.dart:180:14: Error: Can't access 'this' in a field initializer to read 'y'.
+//   final z1 = y;
+//              ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:99:4: Error: The class 'AbstractClass' is abstract and can't be instantiated.
+//   @AbstractClass()
+//    ^^^^^^^^^^^^^
+//
+// pkg/front_end/testcases/general/constants/various.dart:99:4: Error: Cannot invoke a non-'const' constructor where a const expression is expected.
+// Try using a constructor or factory that is 'const'.
+//   @AbstractClass()
+//    ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:102:4: Error: The class 'AbstractClassWithConstructor' is abstract and can't be instantiated.
+//   @AbstractClassWithConstructor()
+//    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+//
+// pkg/front_end/testcases/general/constants/various.dart:102:4: Error: Cannot invoke a non-'const' constructor where a const expression is expected.
+// Try using a constructor or factory that is 'const'.
+//   @AbstractClassWithConstructor()
+//    ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:118:39: Error: Cannot invoke a non-'const' constructor where a const expression is expected.
+// Try using a constructor or factory that is 'const'.
+// const ExtendsFoo1 extendsFoo1 = const ExtendsFoo1();
+//                                       ^^^^^^^^^^^
+//
+// pkg/front_end/testcases/general/constants/various.dart:121:9: Error: The superclass, 'Foo', has no unnamed constructor that takes no arguments.
+//   const ExtendsFoo2();
+//         ^^^^^^^^^^^
+//
+// pkg/front_end/testcases/general/constants/various.dart:180:14: Error: Not a constant expression.
+//   final z1 = y;
+//              ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:181:14: Error: Not a constant expression.
+//   final z2 = x;
+//              ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:96:11: Error: The class 'AbstractClassWithConstructor' is abstract and can't be instantiated.
+//     const AbstractClassWithConstructor();
+//           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+//
+// pkg/front_end/testcases/general/constants/various.dart:96:11: Error: Cannot invoke a non-'const' constructor where a const expression is expected.
+// Try using a constructor or factory that is 'const'.
+//     const AbstractClassWithConstructor();
+//           ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:168:11: Error: Cannot invoke a non-'const' constructor where a const expression is expected.
+// Try using a constructor or factory that is 'const'.
+//     const ClassWithNonEmptyConstConstructor();
+//           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+//
+// pkg/front_end/testcases/general/constants/various.dart:114:7: Error: The superclass, 'Foo', has no unnamed constructor that takes no arguments.
+// class ExtendsFoo1 extends Foo {
+//       ^
 //
 // pkg/front_end/testcases/general/constants/various.dart:10:34: Error: Constant evaluation error:
 // const bool notBarFromEnvOrNull = !barFromEnvOrNull;
@@ -206,108 +305,6 @@
 //   final z2 = x;
 //              ^
 //
-library;
-//
-// Problems in library:
-//
-// pkg/front_end/testcases/general/constants/various.dart:162:3: Error: A const constructor can't have a body.
-// Try removing either the 'const' keyword or the body.
-//   const ClassWithNonEmptyConstConstructor() {
-//   ^^^^^
-//
-// pkg/front_end/testcases/general/constants/various.dart:76:14: Error: Not a constant expression.
-// const x1 = --x;
-//              ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:77:14: Error: Not a constant expression.
-// const x2 = ++x;
-//              ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:78:12: Error: Not a constant expression.
-// const x3 = x--;
-//            ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:79:12: Error: Not a constant expression.
-// const x4 = x++;
-//            ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:82:14: Error: Setter not found: 'y'.
-// const y1 = --y;
-//              ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:83:14: Error: Setter not found: 'y'.
-// const y2 = ++y;
-//              ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:84:12: Error: Setter not found: 'y'.
-// const y3 = y--;
-//            ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:85:12: Error: Setter not found: 'y'.
-// const y4 = y++;
-//            ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:140:24: Error: Not a constant expression.
-// const function_const = () {};
-//                        ^^
-//
-// pkg/front_end/testcases/general/constants/various.dart:180:14: Error: Can't access 'this' in a field initializer to read 'y'.
-//   final z1 = y;
-//              ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:99:4: Error: The class 'AbstractClass' is abstract and can't be instantiated.
-//   @AbstractClass()
-//    ^^^^^^^^^^^^^
-//
-// pkg/front_end/testcases/general/constants/various.dart:99:4: Error: Cannot invoke a non-'const' constructor where a const expression is expected.
-// Try using a constructor or factory that is 'const'.
-//   @AbstractClass()
-//    ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:102:4: Error: The class 'AbstractClassWithConstructor' is abstract and can't be instantiated.
-//   @AbstractClassWithConstructor()
-//    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-//
-// pkg/front_end/testcases/general/constants/various.dart:102:4: Error: Cannot invoke a non-'const' constructor where a const expression is expected.
-// Try using a constructor or factory that is 'const'.
-//   @AbstractClassWithConstructor()
-//    ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:118:39: Error: Cannot invoke a non-'const' constructor where a const expression is expected.
-// Try using a constructor or factory that is 'const'.
-// const ExtendsFoo1 extendsFoo1 = const ExtendsFoo1();
-//                                       ^^^^^^^^^^^
-//
-// pkg/front_end/testcases/general/constants/various.dart:121:9: Error: The superclass, 'Foo', has no unnamed constructor that takes no arguments.
-//   const ExtendsFoo2();
-//         ^^^^^^^^^^^
-//
-// pkg/front_end/testcases/general/constants/various.dart:180:14: Error: Not a constant expression.
-//   final z1 = y;
-//              ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:181:14: Error: Not a constant expression.
-//   final z2 = x;
-//              ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:96:11: Error: The class 'AbstractClassWithConstructor' is abstract and can't be instantiated.
-//     const AbstractClassWithConstructor();
-//           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-//
-// pkg/front_end/testcases/general/constants/various.dart:96:11: Error: Cannot invoke a non-'const' constructor where a const expression is expected.
-// Try using a constructor or factory that is 'const'.
-//     const AbstractClassWithConstructor();
-//           ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:168:11: Error: Cannot invoke a non-'const' constructor where a const expression is expected.
-// Try using a constructor or factory that is 'const'.
-//     const ClassWithNonEmptyConstConstructor();
-//           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-//
-// pkg/front_end/testcases/general/constants/various.dart:114:7: Error: The superclass, 'Foo', has no unnamed constructor that takes no arguments.
-// class ExtendsFoo1 extends Foo {
-//       ^
-//
 import self as self;
 import "dart:core" as core;
 import "dart:_internal" as _in;
diff --git a/pkg/front_end/testcases/general/constants/various.dart.strong.transformed.expect b/pkg/front_end/testcases/general/constants/various.dart.strong.transformed.expect
index e9451ab..c27c932 100644
--- a/pkg/front_end/testcases/general/constants/various.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/general/constants/various.dart.strong.transformed.expect
@@ -1,5 +1,104 @@
+library;
 //
-// Problems in component:
+// Problems in library:
+//
+// pkg/front_end/testcases/general/constants/various.dart:162:3: Error: A const constructor can't have a body.
+// Try removing either the 'const' keyword or the body.
+//   const ClassWithNonEmptyConstConstructor() {
+//   ^^^^^
+//
+// pkg/front_end/testcases/general/constants/various.dart:76:14: Error: Not a constant expression.
+// const x1 = --x;
+//              ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:77:14: Error: Not a constant expression.
+// const x2 = ++x;
+//              ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:78:12: Error: Not a constant expression.
+// const x3 = x--;
+//            ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:79:12: Error: Not a constant expression.
+// const x4 = x++;
+//            ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:82:14: Error: Setter not found: 'y'.
+// const y1 = --y;
+//              ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:83:14: Error: Setter not found: 'y'.
+// const y2 = ++y;
+//              ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:84:12: Error: Setter not found: 'y'.
+// const y3 = y--;
+//            ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:85:12: Error: Setter not found: 'y'.
+// const y4 = y++;
+//            ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:140:24: Error: Not a constant expression.
+// const function_const = () {};
+//                        ^^
+//
+// pkg/front_end/testcases/general/constants/various.dart:180:14: Error: Can't access 'this' in a field initializer to read 'y'.
+//   final z1 = y;
+//              ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:99:4: Error: The class 'AbstractClass' is abstract and can't be instantiated.
+//   @AbstractClass()
+//    ^^^^^^^^^^^^^
+//
+// pkg/front_end/testcases/general/constants/various.dart:99:4: Error: Cannot invoke a non-'const' constructor where a const expression is expected.
+// Try using a constructor or factory that is 'const'.
+//   @AbstractClass()
+//    ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:102:4: Error: The class 'AbstractClassWithConstructor' is abstract and can't be instantiated.
+//   @AbstractClassWithConstructor()
+//    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+//
+// pkg/front_end/testcases/general/constants/various.dart:102:4: Error: Cannot invoke a non-'const' constructor where a const expression is expected.
+// Try using a constructor or factory that is 'const'.
+//   @AbstractClassWithConstructor()
+//    ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:118:39: Error: Cannot invoke a non-'const' constructor where a const expression is expected.
+// Try using a constructor or factory that is 'const'.
+// const ExtendsFoo1 extendsFoo1 = const ExtendsFoo1();
+//                                       ^^^^^^^^^^^
+//
+// pkg/front_end/testcases/general/constants/various.dart:121:9: Error: The superclass, 'Foo', has no unnamed constructor that takes no arguments.
+//   const ExtendsFoo2();
+//         ^^^^^^^^^^^
+//
+// pkg/front_end/testcases/general/constants/various.dart:180:14: Error: Not a constant expression.
+//   final z1 = y;
+//              ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:181:14: Error: Not a constant expression.
+//   final z2 = x;
+//              ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:96:11: Error: The class 'AbstractClassWithConstructor' is abstract and can't be instantiated.
+//     const AbstractClassWithConstructor();
+//           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+//
+// pkg/front_end/testcases/general/constants/various.dart:96:11: Error: Cannot invoke a non-'const' constructor where a const expression is expected.
+// Try using a constructor or factory that is 'const'.
+//     const AbstractClassWithConstructor();
+//           ^
+//
+// pkg/front_end/testcases/general/constants/various.dart:168:11: Error: Cannot invoke a non-'const' constructor where a const expression is expected.
+// Try using a constructor or factory that is 'const'.
+//     const ClassWithNonEmptyConstConstructor();
+//           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+//
+// pkg/front_end/testcases/general/constants/various.dart:114:7: Error: The superclass, 'Foo', has no unnamed constructor that takes no arguments.
+// class ExtendsFoo1 extends Foo {
+//       ^
 //
 // pkg/front_end/testcases/general/constants/various.dart:10:34: Error: Constant evaluation error:
 // const bool notBarFromEnvOrNull = !barFromEnvOrNull;
@@ -206,108 +305,6 @@
 //   final z2 = x;
 //              ^
 //
-library;
-//
-// Problems in library:
-//
-// pkg/front_end/testcases/general/constants/various.dart:162:3: Error: A const constructor can't have a body.
-// Try removing either the 'const' keyword or the body.
-//   const ClassWithNonEmptyConstConstructor() {
-//   ^^^^^
-//
-// pkg/front_end/testcases/general/constants/various.dart:76:14: Error: Not a constant expression.
-// const x1 = --x;
-//              ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:77:14: Error: Not a constant expression.
-// const x2 = ++x;
-//              ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:78:12: Error: Not a constant expression.
-// const x3 = x--;
-//            ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:79:12: Error: Not a constant expression.
-// const x4 = x++;
-//            ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:82:14: Error: Setter not found: 'y'.
-// const y1 = --y;
-//              ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:83:14: Error: Setter not found: 'y'.
-// const y2 = ++y;
-//              ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:84:12: Error: Setter not found: 'y'.
-// const y3 = y--;
-//            ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:85:12: Error: Setter not found: 'y'.
-// const y4 = y++;
-//            ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:140:24: Error: Not a constant expression.
-// const function_const = () {};
-//                        ^^
-//
-// pkg/front_end/testcases/general/constants/various.dart:180:14: Error: Can't access 'this' in a field initializer to read 'y'.
-//   final z1 = y;
-//              ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:99:4: Error: The class 'AbstractClass' is abstract and can't be instantiated.
-//   @AbstractClass()
-//    ^^^^^^^^^^^^^
-//
-// pkg/front_end/testcases/general/constants/various.dart:99:4: Error: Cannot invoke a non-'const' constructor where a const expression is expected.
-// Try using a constructor or factory that is 'const'.
-//   @AbstractClass()
-//    ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:102:4: Error: The class 'AbstractClassWithConstructor' is abstract and can't be instantiated.
-//   @AbstractClassWithConstructor()
-//    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-//
-// pkg/front_end/testcases/general/constants/various.dart:102:4: Error: Cannot invoke a non-'const' constructor where a const expression is expected.
-// Try using a constructor or factory that is 'const'.
-//   @AbstractClassWithConstructor()
-//    ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:118:39: Error: Cannot invoke a non-'const' constructor where a const expression is expected.
-// Try using a constructor or factory that is 'const'.
-// const ExtendsFoo1 extendsFoo1 = const ExtendsFoo1();
-//                                       ^^^^^^^^^^^
-//
-// pkg/front_end/testcases/general/constants/various.dart:121:9: Error: The superclass, 'Foo', has no unnamed constructor that takes no arguments.
-//   const ExtendsFoo2();
-//         ^^^^^^^^^^^
-//
-// pkg/front_end/testcases/general/constants/various.dart:180:14: Error: Not a constant expression.
-//   final z1 = y;
-//              ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:181:14: Error: Not a constant expression.
-//   final z2 = x;
-//              ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:96:11: Error: The class 'AbstractClassWithConstructor' is abstract and can't be instantiated.
-//     const AbstractClassWithConstructor();
-//           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-//
-// pkg/front_end/testcases/general/constants/various.dart:96:11: Error: Cannot invoke a non-'const' constructor where a const expression is expected.
-// Try using a constructor or factory that is 'const'.
-//     const AbstractClassWithConstructor();
-//           ^
-//
-// pkg/front_end/testcases/general/constants/various.dart:168:11: Error: Cannot invoke a non-'const' constructor where a const expression is expected.
-// Try using a constructor or factory that is 'const'.
-//     const ClassWithNonEmptyConstConstructor();
-//           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-//
-// pkg/front_end/testcases/general/constants/various.dart:114:7: Error: The superclass, 'Foo', has no unnamed constructor that takes no arguments.
-// class ExtendsFoo1 extends Foo {
-//       ^
-//
 import self as self;
 import "dart:core" as core;
 import "dart:_internal" as _in;
diff --git a/pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_asserts.dart.strong.expect b/pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_asserts.dart.strong.expect
index 9ad7ac5..aa75ba9 100644
--- a/pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_asserts.dart.strong.expect
+++ b/pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_asserts.dart.strong.expect
@@ -1,5 +1,10 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
+//
+// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_asserts.dart:16:51: Error: A value of type 'int' can't be assigned to a variable of type 'bool'.
+//   const Foo.withInvalidCondition(this.x) : assert(x);
+//                                                   ^
 //
 // pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_asserts.dart:26:24: Error: Constant evaluation error:
 // const Foo foo2 = const Foo(0);
@@ -61,14 +66,6 @@
 // const Bar bar4 = const Bar.withoutMessage(0);
 //           ^
 //
-library /*isNonNullableByDefault*/;
-//
-// Problems in library:
-//
-// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_asserts.dart:16:51: Error: A value of type 'int' can't be assigned to a variable of type 'bool'.
-//   const Foo.withInvalidCondition(this.x) : assert(x);
-//                                                   ^
-//
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_asserts.dart.strong.transformed.expect b/pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_asserts.dart.strong.transformed.expect
index d4deb80..84a0f93 100644
--- a/pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_asserts.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_asserts.dart.strong.transformed.expect
@@ -1,5 +1,10 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
+//
+// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_asserts.dart:16:51: Error: A value of type 'int' can't be assigned to a variable of type 'bool'.
+//   const Foo.withInvalidCondition(this.x) : assert(x);
+//                                                   ^
 //
 // pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_asserts.dart:26:24: Error: Constant evaluation error:
 // const Foo foo2 = const Foo(0);
@@ -61,14 +66,6 @@
 // const Bar bar4 = const Bar.withoutMessage(0);
 //           ^
 //
-library /*isNonNullableByDefault*/;
-//
-// Problems in library:
-//
-// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_asserts.dart:16:51: Error: A value of type 'int' can't be assigned to a variable of type 'bool'.
-//   const Foo.withInvalidCondition(this.x) : assert(x);
-//                                                   ^
-//
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_collections.dart.strong.expect b/pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_collections.dart.strong.expect
index 83d7801..eadc725 100644
--- a/pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_collections.dart.strong.expect
+++ b/pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_collections.dart.strong.expect
@@ -1,5 +1,10 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
+//
+// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_collections.dart:27:7: Error: Expected 2 type arguments.
+// const Map<bool> MapWithUnevaluated = {
+//       ^
 //
 // pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_collections.dart:25:26: Error: Constant evaluation error:
 // const setNotAgnosticOK = {a, b};
@@ -21,14 +26,6 @@
 // const mapNotAgnosticOK = {a: 0, b: 1};
 //       ^
 //
-library /*isNonNullableByDefault*/;
-//
-// Problems in library:
-//
-// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_collections.dart:27:7: Error: Expected 2 type arguments.
-// const Map<bool> MapWithUnevaluated = {
-//       ^
-//
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_collections.dart.strong.transformed.expect b/pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_collections.dart.strong.transformed.expect
index 44be456..461ccb6 100644
--- a/pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_collections.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_collections.dart.strong.transformed.expect
@@ -1,5 +1,10 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
+//
+// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_collections.dart:27:7: Error: Expected 2 type arguments.
+// const Map<bool> MapWithUnevaluated = {
+//       ^
 //
 // pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_collections.dart:25:26: Error: Constant evaluation error:
 // const setNotAgnosticOK = {a, b};
@@ -21,14 +26,6 @@
 // const mapNotAgnosticOK = {a: 0, b: 1};
 //       ^
 //
-library /*isNonNullableByDefault*/;
-//
-// Problems in library:
-//
-// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/const_collections.dart:27:7: Error: Expected 2 type arguments.
-// const Map<bool> MapWithUnevaluated = {
-//       ^
-//
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart.strong.expect b/pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart.strong.expect
index 349600b..3950e82 100644
--- a/pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart.strong.expect
+++ b/pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart.strong.expect
@@ -1,28 +1,3 @@
-//
-// Problems in component:
-//
-// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart:22:29: Error: Constant evaluation error:
-// const fromDeferredLib = lib.x;
-//                             ^
-// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart:22:29: Context: 'lib' can't be used in a constant expression because it's marked as 'deferred' which means it isn't available until loaded.
-// Try moving the constant from the deferred library, or removing 'deferred' from the import.
-//
-// const fromDeferredLib = lib.x;
-//                             ^
-// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart:22:7: Context: While analyzing:
-// const fromDeferredLib = lib.x;
-//       ^
-//
-// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart:77:44: Error: Constant evaluation error:
-// const Symbol symbolWithInvalidName = const Symbol("42");
-//                                            ^
-// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart:77:51: Context: The symbol name must be a valid public Dart member name, public constructor name, or library name, optionally qualified, but was '"42"'.
-// const Symbol symbolWithInvalidName = const Symbol("42");
-//                                                   ^
-// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart:77:14: Context: While analyzing:
-// const Symbol symbolWithInvalidName = const Symbol("42");
-//              ^
-//
 library /*isNonNullableByDefault*/;
 //
 // Problems in library:
@@ -58,6 +33,28 @@
 //   const bool initialized =
 //              ^
 //
+// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart:22:29: Error: Constant evaluation error:
+// const fromDeferredLib = lib.x;
+//                             ^
+// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart:22:29: Context: 'lib' can't be used in a constant expression because it's marked as 'deferred' which means it isn't available until loaded.
+// Try moving the constant from the deferred library, or removing 'deferred' from the import.
+//
+// const fromDeferredLib = lib.x;
+//                             ^
+// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart:22:7: Context: While analyzing:
+// const fromDeferredLib = lib.x;
+//       ^
+//
+// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart:77:44: Error: Constant evaluation error:
+// const Symbol symbolWithInvalidName = const Symbol("42");
+//                                            ^
+// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart:77:51: Context: The symbol name must be a valid public Dart member name, public constructor name, or library name, optionally qualified, but was '"42"'.
+// const Symbol symbolWithInvalidName = const Symbol("42");
+//                                                   ^
+// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart:77:14: Context: While analyzing:
+// const Symbol symbolWithInvalidName = const Symbol("42");
+//              ^
+//
 import self as self;
 import "dart:core" as core;
 import "dart:_internal" as _in;
diff --git a/pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart.strong.transformed.expect b/pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart.strong.transformed.expect
index dbea8ca..0d34728 100644
--- a/pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart.strong.transformed.expect
@@ -1,28 +1,3 @@
-//
-// Problems in component:
-//
-// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart:22:29: Error: Constant evaluation error:
-// const fromDeferredLib = lib.x;
-//                             ^
-// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart:22:29: Context: 'lib' can't be used in a constant expression because it's marked as 'deferred' which means it isn't available until loaded.
-// Try moving the constant from the deferred library, or removing 'deferred' from the import.
-//
-// const fromDeferredLib = lib.x;
-//                             ^
-// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart:22:7: Context: While analyzing:
-// const fromDeferredLib = lib.x;
-//       ^
-//
-// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart:77:44: Error: Constant evaluation error:
-// const Symbol symbolWithInvalidName = const Symbol("42");
-//                                            ^
-// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart:77:51: Context: The symbol name must be a valid public Dart member name, public constructor name, or library name, optionally qualified, but was '"42"'.
-// const Symbol symbolWithInvalidName = const Symbol("42");
-//                                                   ^
-// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart:77:14: Context: While analyzing:
-// const Symbol symbolWithInvalidName = const Symbol("42");
-//              ^
-//
 library /*isNonNullableByDefault*/;
 //
 // Problems in library:
@@ -58,6 +33,28 @@
 //   const bool initialized =
 //              ^
 //
+// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart:22:29: Error: Constant evaluation error:
+// const fromDeferredLib = lib.x;
+//                             ^
+// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart:22:29: Context: 'lib' can't be used in a constant expression because it's marked as 'deferred' which means it isn't available until loaded.
+// Try moving the constant from the deferred library, or removing 'deferred' from the import.
+//
+// const fromDeferredLib = lib.x;
+//                             ^
+// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart:22:7: Context: While analyzing:
+// const fromDeferredLib = lib.x;
+//       ^
+//
+// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart:77:44: Error: Constant evaluation error:
+// const Symbol symbolWithInvalidName = const Symbol("42");
+//                                            ^
+// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart:77:51: Context: The symbol name must be a valid public Dart member name, public constructor name, or library name, optionally qualified, but was '"42"'.
+// const Symbol symbolWithInvalidName = const Symbol("42");
+//                                                   ^
+// pkg/front_end/testcases/general/constants/with_unevaluated_agnostic/various.dart:77:14: Context: While analyzing:
+// const Symbol symbolWithInvalidName = const Symbol("42");
+//              ^
+//
 import self as self;
 import "dart:core" as core;
 import "dart:_internal" as _in;
diff --git a/pkg/front_end/testcases/general/error_locations/error_location_01.dart.strong.expect b/pkg/front_end/testcases/general/error_locations/error_location_01.dart.strong.expect
index 8159055..7b42d92 100644
--- a/pkg/front_end/testcases/general/error_locations/error_location_01.dart.strong.expect
+++ b/pkg/front_end/testcases/general/error_locations/error_location_01.dart.strong.expect
@@ -1,13 +1,3 @@
-//
-// Problems in component:
-//
-// pkg/front_end/testcases/general/error_locations/error_location_01_lib2.dart:8:9: Error: Constant evaluation error:
-//   const Foo(0);
-//         ^
-// pkg/front_end/testcases/general/error_locations/error_location_01_lib1.dart:6:31: Context: This assertion failed.
-//   const Foo(int i) : assert(i > 0);
-//                               ^
-//
 library;
 import self as self;
 import "error_location_01_lib1.dart" as err;
@@ -45,6 +35,16 @@
 }
 
 library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/general/error_locations/error_location_01_lib2.dart:8:9: Error: Constant evaluation error:
+//   const Foo(0);
+//         ^
+// pkg/front_end/testcases/general/error_locations/error_location_01_lib1.dart:6:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+//
 import self as err2;
 
 import "org-dartlang-testcase:///error_location_01_lib1.dart";
diff --git a/pkg/front_end/testcases/general/error_locations/error_location_01.dart.strong.transformed.expect b/pkg/front_end/testcases/general/error_locations/error_location_01.dart.strong.transformed.expect
index 8159055..7b42d92 100644
--- a/pkg/front_end/testcases/general/error_locations/error_location_01.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/general/error_locations/error_location_01.dart.strong.transformed.expect
@@ -1,13 +1,3 @@
-//
-// Problems in component:
-//
-// pkg/front_end/testcases/general/error_locations/error_location_01_lib2.dart:8:9: Error: Constant evaluation error:
-//   const Foo(0);
-//         ^
-// pkg/front_end/testcases/general/error_locations/error_location_01_lib1.dart:6:31: Context: This assertion failed.
-//   const Foo(int i) : assert(i > 0);
-//                               ^
-//
 library;
 import self as self;
 import "error_location_01_lib1.dart" as err;
@@ -45,6 +35,16 @@
 }
 
 library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/general/error_locations/error_location_01_lib2.dart:8:9: Error: Constant evaluation error:
+//   const Foo(0);
+//         ^
+// pkg/front_end/testcases/general/error_locations/error_location_01_lib1.dart:6:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+//
 import self as err2;
 
 import "org-dartlang-testcase:///error_location_01_lib1.dart";
diff --git a/pkg/front_end/testcases/general/error_locations/error_location_02.dart.strong.expect b/pkg/front_end/testcases/general/error_locations/error_location_02.dart.strong.expect
index e1d2f71..1aae9ef 100644
--- a/pkg/front_end/testcases/general/error_locations/error_location_02.dart.strong.expect
+++ b/pkg/front_end/testcases/general/error_locations/error_location_02.dart.strong.expect
@@ -1,26 +1,3 @@
-//
-// Problems in component:
-//
-// pkg/front_end/testcases/general/error_locations/error_location_02_lib3.dart:7:19: Error: Constant evaluation error:
-// const fooField2 = fooField;
-//                   ^
-// pkg/front_end/testcases/general/error_locations/error_location_02_lib1.dart:6:31: Context: This assertion failed.
-//   const Foo(int i) : assert(i > 0);
-//                               ^
-// pkg/front_end/testcases/general/error_locations/error_location_02_lib3.dart:7:7: Context: While analyzing:
-// const fooField2 = fooField;
-//       ^
-//
-// pkg/front_end/testcases/general/error_locations/error_location_02_lib2.dart:7:24: Error: Constant evaluation error:
-// const fooField = const Foo(0);
-//                        ^
-// pkg/front_end/testcases/general/error_locations/error_location_02_lib1.dart:6:31: Context: This assertion failed.
-//   const Foo(int i) : assert(i > 0);
-//                               ^
-// pkg/front_end/testcases/general/error_locations/error_location_02_lib2.dart:7:7: Context: While analyzing:
-// const fooField = const Foo(0);
-//       ^
-//
 library;
 import self as self;
 import "error_location_02_lib1.dart" as err;
@@ -59,6 +36,19 @@
 }
 
 library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/general/error_locations/error_location_02_lib2.dart:7:24: Error: Constant evaluation error:
+// const fooField = const Foo(0);
+//                        ^
+// pkg/front_end/testcases/general/error_locations/error_location_02_lib1.dart:6:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+// pkg/front_end/testcases/general/error_locations/error_location_02_lib2.dart:7:7: Context: While analyzing:
+// const fooField = const Foo(0);
+//       ^
+//
 import self as self2;
 import "error_location_02_lib1.dart" as err;
 
@@ -67,6 +57,19 @@
 static const field err::Foo* fooField = invalid-expression "This assertion failed.";
 
 library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/general/error_locations/error_location_02_lib3.dart:7:19: Error: Constant evaluation error:
+// const fooField2 = fooField;
+//                   ^
+// pkg/front_end/testcases/general/error_locations/error_location_02_lib1.dart:6:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+// pkg/front_end/testcases/general/error_locations/error_location_02_lib3.dart:7:7: Context: While analyzing:
+// const fooField2 = fooField;
+//       ^
+//
 import self as self3;
 import "error_location_02_lib1.dart" as err;
 
diff --git a/pkg/front_end/testcases/general/error_locations/error_location_02.dart.strong.transformed.expect b/pkg/front_end/testcases/general/error_locations/error_location_02.dart.strong.transformed.expect
index e1d2f71..1aae9ef 100644
--- a/pkg/front_end/testcases/general/error_locations/error_location_02.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/general/error_locations/error_location_02.dart.strong.transformed.expect
@@ -1,26 +1,3 @@
-//
-// Problems in component:
-//
-// pkg/front_end/testcases/general/error_locations/error_location_02_lib3.dart:7:19: Error: Constant evaluation error:
-// const fooField2 = fooField;
-//                   ^
-// pkg/front_end/testcases/general/error_locations/error_location_02_lib1.dart:6:31: Context: This assertion failed.
-//   const Foo(int i) : assert(i > 0);
-//                               ^
-// pkg/front_end/testcases/general/error_locations/error_location_02_lib3.dart:7:7: Context: While analyzing:
-// const fooField2 = fooField;
-//       ^
-//
-// pkg/front_end/testcases/general/error_locations/error_location_02_lib2.dart:7:24: Error: Constant evaluation error:
-// const fooField = const Foo(0);
-//                        ^
-// pkg/front_end/testcases/general/error_locations/error_location_02_lib1.dart:6:31: Context: This assertion failed.
-//   const Foo(int i) : assert(i > 0);
-//                               ^
-// pkg/front_end/testcases/general/error_locations/error_location_02_lib2.dart:7:7: Context: While analyzing:
-// const fooField = const Foo(0);
-//       ^
-//
 library;
 import self as self;
 import "error_location_02_lib1.dart" as err;
@@ -59,6 +36,19 @@
 }
 
 library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/general/error_locations/error_location_02_lib2.dart:7:24: Error: Constant evaluation error:
+// const fooField = const Foo(0);
+//                        ^
+// pkg/front_end/testcases/general/error_locations/error_location_02_lib1.dart:6:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+// pkg/front_end/testcases/general/error_locations/error_location_02_lib2.dart:7:7: Context: While analyzing:
+// const fooField = const Foo(0);
+//       ^
+//
 import self as self2;
 import "error_location_02_lib1.dart" as err;
 
@@ -67,6 +57,19 @@
 static const field err::Foo* fooField = invalid-expression "This assertion failed.";
 
 library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/general/error_locations/error_location_02_lib3.dart:7:19: Error: Constant evaluation error:
+// const fooField2 = fooField;
+//                   ^
+// pkg/front_end/testcases/general/error_locations/error_location_02_lib1.dart:6:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+// pkg/front_end/testcases/general/error_locations/error_location_02_lib3.dart:7:7: Context: While analyzing:
+// const fooField2 = fooField;
+//       ^
+//
 import self as self3;
 import "error_location_02_lib1.dart" as err;
 
diff --git a/pkg/front_end/testcases/general/error_locations/error_location_03.dart.strong.expect b/pkg/front_end/testcases/general/error_locations/error_location_03.dart.strong.expect
index c8f681b..18b8f4f 100644
--- a/pkg/front_end/testcases/general/error_locations/error_location_03.dart.strong.expect
+++ b/pkg/front_end/testcases/general/error_locations/error_location_03.dart.strong.expect
@@ -1,26 +1,3 @@
-//
-// Problems in component:
-//
-// pkg/front_end/testcases/general/error_locations/error_location_03_lib2.dart:7:24: Error: Constant evaluation error:
-// const fooField = const Foo(0);
-//                        ^
-// pkg/front_end/testcases/general/error_locations/error_location_03_lib1.dart:6:31: Context: This assertion failed.
-//   const Foo(int i) : assert(i > 0);
-//                               ^
-// pkg/front_end/testcases/general/error_locations/error_location_03_lib2.dart:7:7: Context: While analyzing:
-// const fooField = const Foo(0);
-//       ^
-//
-// pkg/front_end/testcases/general/error_locations/error_location_03_lib3.dart:7:25: Error: Constant evaluation error:
-// const fooField2 = const Foo(0);
-//                         ^
-// pkg/front_end/testcases/general/error_locations/error_location_03_lib1.dart:6:31: Context: This assertion failed.
-//   const Foo(int i) : assert(i > 0);
-//                               ^
-// pkg/front_end/testcases/general/error_locations/error_location_03_lib3.dart:7:7: Context: While analyzing:
-// const fooField2 = const Foo(0);
-//       ^
-//
 library;
 import self as self;
 import "error_location_03_lib1.dart" as err;
@@ -60,6 +37,19 @@
 }
 
 library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/general/error_locations/error_location_03_lib2.dart:7:24: Error: Constant evaluation error:
+// const fooField = const Foo(0);
+//                        ^
+// pkg/front_end/testcases/general/error_locations/error_location_03_lib1.dart:6:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+// pkg/front_end/testcases/general/error_locations/error_location_03_lib2.dart:7:7: Context: While analyzing:
+// const fooField = const Foo(0);
+//       ^
+//
 import self as self2;
 import "error_location_03_lib1.dart" as err;
 
@@ -68,6 +58,19 @@
 static const field err::Foo* fooField = invalid-expression "This assertion failed.";
 
 library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/general/error_locations/error_location_03_lib3.dart:7:25: Error: Constant evaluation error:
+// const fooField2 = const Foo(0);
+//                         ^
+// pkg/front_end/testcases/general/error_locations/error_location_03_lib1.dart:6:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+// pkg/front_end/testcases/general/error_locations/error_location_03_lib3.dart:7:7: Context: While analyzing:
+// const fooField2 = const Foo(0);
+//       ^
+//
 import self as self3;
 import "error_location_03_lib1.dart" as err;
 
diff --git a/pkg/front_end/testcases/general/error_locations/error_location_03.dart.strong.transformed.expect b/pkg/front_end/testcases/general/error_locations/error_location_03.dart.strong.transformed.expect
index c8f681b..18b8f4f 100644
--- a/pkg/front_end/testcases/general/error_locations/error_location_03.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/general/error_locations/error_location_03.dart.strong.transformed.expect
@@ -1,26 +1,3 @@
-//
-// Problems in component:
-//
-// pkg/front_end/testcases/general/error_locations/error_location_03_lib2.dart:7:24: Error: Constant evaluation error:
-// const fooField = const Foo(0);
-//                        ^
-// pkg/front_end/testcases/general/error_locations/error_location_03_lib1.dart:6:31: Context: This assertion failed.
-//   const Foo(int i) : assert(i > 0);
-//                               ^
-// pkg/front_end/testcases/general/error_locations/error_location_03_lib2.dart:7:7: Context: While analyzing:
-// const fooField = const Foo(0);
-//       ^
-//
-// pkg/front_end/testcases/general/error_locations/error_location_03_lib3.dart:7:25: Error: Constant evaluation error:
-// const fooField2 = const Foo(0);
-//                         ^
-// pkg/front_end/testcases/general/error_locations/error_location_03_lib1.dart:6:31: Context: This assertion failed.
-//   const Foo(int i) : assert(i > 0);
-//                               ^
-// pkg/front_end/testcases/general/error_locations/error_location_03_lib3.dart:7:7: Context: While analyzing:
-// const fooField2 = const Foo(0);
-//       ^
-//
 library;
 import self as self;
 import "error_location_03_lib1.dart" as err;
@@ -60,6 +37,19 @@
 }
 
 library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/general/error_locations/error_location_03_lib2.dart:7:24: Error: Constant evaluation error:
+// const fooField = const Foo(0);
+//                        ^
+// pkg/front_end/testcases/general/error_locations/error_location_03_lib1.dart:6:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+// pkg/front_end/testcases/general/error_locations/error_location_03_lib2.dart:7:7: Context: While analyzing:
+// const fooField = const Foo(0);
+//       ^
+//
 import self as self2;
 import "error_location_03_lib1.dart" as err;
 
@@ -68,6 +58,19 @@
 static const field err::Foo* fooField = invalid-expression "This assertion failed.";
 
 library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/general/error_locations/error_location_03_lib3.dart:7:25: Error: Constant evaluation error:
+// const fooField2 = const Foo(0);
+//                         ^
+// pkg/front_end/testcases/general/error_locations/error_location_03_lib1.dart:6:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+// pkg/front_end/testcases/general/error_locations/error_location_03_lib3.dart:7:7: Context: While analyzing:
+// const fooField2 = const Foo(0);
+//       ^
+//
 import self as self3;
 import "error_location_03_lib1.dart" as err;
 
diff --git a/pkg/front_end/testcases/general/error_locations/error_location_04.dart.strong.expect b/pkg/front_end/testcases/general/error_locations/error_location_04.dart.strong.expect
index 1170883..972534b 100644
--- a/pkg/front_end/testcases/general/error_locations/error_location_04.dart.strong.expect
+++ b/pkg/front_end/testcases/general/error_locations/error_location_04.dart.strong.expect
@@ -1,13 +1,3 @@
-//
-// Problems in component:
-//
-// pkg/front_end/testcases/general/error_locations/error_location_04_lib2.dart:9:27: Error: Constant evaluation error:
-//   const Bar() : x = const Foo(0);
-//                           ^
-// pkg/front_end/testcases/general/error_locations/error_location_04_lib1.dart:6:31: Context: This assertion failed.
-//   const Foo(int i) : assert(i > 0);
-//                               ^
-//
 library;
 import self as self;
 import "error_location_04_lib1.dart" as err;
@@ -45,6 +35,16 @@
 }
 
 library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/general/error_locations/error_location_04_lib2.dart:9:27: Error: Constant evaluation error:
+//   const Bar() : x = const Foo(0);
+//                           ^
+// pkg/front_end/testcases/general/error_locations/error_location_04_lib1.dart:6:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+//
 import self as err2;
 import "dart:core" as core;
 import "error_location_04_lib1.dart" as err;
diff --git a/pkg/front_end/testcases/general/error_locations/error_location_04.dart.strong.transformed.expect b/pkg/front_end/testcases/general/error_locations/error_location_04.dart.strong.transformed.expect
index 1170883..972534b 100644
--- a/pkg/front_end/testcases/general/error_locations/error_location_04.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/general/error_locations/error_location_04.dart.strong.transformed.expect
@@ -1,13 +1,3 @@
-//
-// Problems in component:
-//
-// pkg/front_end/testcases/general/error_locations/error_location_04_lib2.dart:9:27: Error: Constant evaluation error:
-//   const Bar() : x = const Foo(0);
-//                           ^
-// pkg/front_end/testcases/general/error_locations/error_location_04_lib1.dart:6:31: Context: This assertion failed.
-//   const Foo(int i) : assert(i > 0);
-//                               ^
-//
 library;
 import self as self;
 import "error_location_04_lib1.dart" as err;
@@ -45,6 +35,16 @@
 }
 
 library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/general/error_locations/error_location_04_lib2.dart:9:27: Error: Constant evaluation error:
+//   const Bar() : x = const Foo(0);
+//                           ^
+// pkg/front_end/testcases/general/error_locations/error_location_04_lib1.dart:6:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+//
 import self as err2;
 import "dart:core" as core;
 import "error_location_04_lib1.dart" as err;
diff --git a/pkg/front_end/testcases/general/ffi_sample.dart.strong.transformed.expect b/pkg/front_end/testcases/general/ffi_sample.dart.strong.transformed.expect
index 97266d3..c402dca 100644
--- a/pkg/front_end/testcases/general/ffi_sample.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/general/ffi_sample.dart.strong.transformed.expect
@@ -44,7 +44,7 @@
   get next() → ffi::Pointer<self::Coordinate*>*
     return ffi::_fromAddress<self::Coordinate*>(ffi::_loadIntPtr(this.{ffi::Struct::_addressOf}, (#C12).{core::List::[]}(ffi::_abi())));
   set next(ffi::Pointer<self::Coordinate*>* #v) → void
-    return ffi::_storeIntPtr(this.{ffi::Struct::_addressOf}, (#C12).{core::List::[]}(ffi::_abi()), #v.{=ffi::Pointer::address});
+    return ffi::_storeIntPtr(this.{ffi::Struct::_addressOf}, (#C12).{core::List::[]}(ffi::_abi()), #v.{ffi::Pointer::address});
 }
 static method main() → dynamic {}
 
diff --git a/pkg/front_end/testcases/general/issue43290.dart.strong.expect b/pkg/front_end/testcases/general/issue43290.dart.strong.expect
index 9edb793..053b66cc 100644
--- a/pkg/front_end/testcases/general/issue43290.dart.strong.expect
+++ b/pkg/front_end/testcases/general/issue43290.dart.strong.expect
@@ -1,5 +1,14 @@
+library;
 //
-// Problems in component:
+// Problems in library:
+//
+// pkg/front_end/testcases/general/issue43290.dart:11:25: Error: Not a constant expression.
+//     const Class(length: length);
+//                         ^^^^^^
+//
+// pkg/front_end/testcases/general/issue43290.dart:19:15: Error: Not a constant expression.
+//     const a = length;
+//               ^^^^^^
 //
 // pkg/front_end/testcases/general/issue43290.dart:7:11: Error: Constant evaluation error:
 //     const Class(length: this.length);
@@ -35,18 +44,6 @@
 //     const a = length;
 //           ^
 //
-library;
-//
-// Problems in library:
-//
-// pkg/front_end/testcases/general/issue43290.dart:11:25: Error: Not a constant expression.
-//     const Class(length: length);
-//                         ^^^^^^
-//
-// pkg/front_end/testcases/general/issue43290.dart:19:15: Error: Not a constant expression.
-//     const a = length;
-//               ^^^^^^
-//
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/general/issue43290.dart.strong.transformed.expect b/pkg/front_end/testcases/general/issue43290.dart.strong.transformed.expect
index 9edb793..053b66cc 100644
--- a/pkg/front_end/testcases/general/issue43290.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/general/issue43290.dart.strong.transformed.expect
@@ -1,5 +1,14 @@
+library;
 //
-// Problems in component:
+// Problems in library:
+//
+// pkg/front_end/testcases/general/issue43290.dart:11:25: Error: Not a constant expression.
+//     const Class(length: length);
+//                         ^^^^^^
+//
+// pkg/front_end/testcases/general/issue43290.dart:19:15: Error: Not a constant expression.
+//     const a = length;
+//               ^^^^^^
 //
 // pkg/front_end/testcases/general/issue43290.dart:7:11: Error: Constant evaluation error:
 //     const Class(length: this.length);
@@ -35,18 +44,6 @@
 //     const a = length;
 //           ^
 //
-library;
-//
-// Problems in library:
-//
-// pkg/front_end/testcases/general/issue43290.dart:11:25: Error: Not a constant expression.
-//     const Class(length: length);
-//                         ^^^^^^
-//
-// pkg/front_end/testcases/general/issue43290.dart:19:15: Error: Not a constant expression.
-//     const a = length;
-//               ^^^^^^
-//
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/general/mixin_constructors_with_default_values.dart.strong.expect b/pkg/front_end/testcases/general/mixin_constructors_with_default_values.dart.strong.expect
index 0c0d538..daa1e5a 100644
--- a/pkg/front_end/testcases/general/mixin_constructors_with_default_values.dart.strong.expect
+++ b/pkg/front_end/testcases/general/mixin_constructors_with_default_values.dart.strong.expect
@@ -1,5 +1,6 @@
+library;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/general/mixin_constructors_with_default_values.dart:9:15: Error: Constant evaluation error:
 //   C({a: 0, b: T}) : trace = "a: $a, b: $b";
@@ -11,7 +12,6 @@
 //   C({a: 0, b: T}) : trace = "a: $a, b: $b";
 //            ^
 //
-library;
 import self as self;
 import "dart:core" as core;
 import "package:expect/expect.dart" as exp;
diff --git a/pkg/front_end/testcases/general/mixin_constructors_with_default_values.dart.strong.transformed.expect b/pkg/front_end/testcases/general/mixin_constructors_with_default_values.dart.strong.transformed.expect
index 0cc126e..fe40abd 100644
--- a/pkg/front_end/testcases/general/mixin_constructors_with_default_values.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/general/mixin_constructors_with_default_values.dart.strong.transformed.expect
@@ -1,5 +1,6 @@
+library;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/general/mixin_constructors_with_default_values.dart:9:15: Error: Constant evaluation error:
 //   C({a: 0, b: T}) : trace = "a: $a, b: $b";
@@ -11,7 +12,6 @@
 //   C({a: 0, b: T}) : trace = "a: $a, b: $b";
 //            ^
 //
-library;
 import self as self;
 import "dart:core" as core;
 import "package:expect/expect.dart" as exp;
diff --git a/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_01.dart.weak.expect b/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_01.dart.weak.expect
index dcb5fa0..01eb26d 100644
--- a/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_01.dart.weak.expect
+++ b/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_01.dart.weak.expect
@@ -1,13 +1,3 @@
-//
-// Problems in component:
-//
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_01_lib2.dart:10:9: Error: Constant evaluation error:
-//   const Foo(0);
-//         ^
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_01_lib1.dart:8:31: Context: This assertion failed.
-//   const Foo(int i) : assert(i > 0);
-//                               ^
-//
 library;
 import self as self;
 import "error_location_01_lib1.dart" as err;
@@ -45,6 +35,16 @@
 }
 
 library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_01_lib2.dart:10:9: Error: Constant evaluation error:
+//   const Foo(0);
+//         ^
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_01_lib1.dart:8:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+//
 import self as err2;
 
 import "org-dartlang-testcase:///error_location_01_lib1.dart";
diff --git a/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_01.dart.weak.transformed.expect b/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_01.dart.weak.transformed.expect
index dcb5fa0..01eb26d 100644
--- a/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_01.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_01.dart.weak.transformed.expect
@@ -1,13 +1,3 @@
-//
-// Problems in component:
-//
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_01_lib2.dart:10:9: Error: Constant evaluation error:
-//   const Foo(0);
-//         ^
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_01_lib1.dart:8:31: Context: This assertion failed.
-//   const Foo(int i) : assert(i > 0);
-//                               ^
-//
 library;
 import self as self;
 import "error_location_01_lib1.dart" as err;
@@ -45,6 +35,16 @@
 }
 
 library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_01_lib2.dart:10:9: Error: Constant evaluation error:
+//   const Foo(0);
+//         ^
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_01_lib1.dart:8:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+//
 import self as err2;
 
 import "org-dartlang-testcase:///error_location_01_lib1.dart";
diff --git a/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02.dart.weak.expect b/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02.dart.weak.expect
index e9d28b1..323bb1d 100644
--- a/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02.dart.weak.expect
+++ b/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02.dart.weak.expect
@@ -1,26 +1,3 @@
-//
-// Problems in component:
-//
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02_lib3.dart:9:19: Error: Constant evaluation error:
-// const fooField2 = fooField;
-//                   ^
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02_lib1.dart:8:31: Context: This assertion failed.
-//   const Foo(int i) : assert(i > 0);
-//                               ^
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02_lib3.dart:9:7: Context: While analyzing:
-// const fooField2 = fooField;
-//       ^
-//
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02_lib2.dart:9:24: Error: Constant evaluation error:
-// const fooField = const Foo(0);
-//                        ^
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02_lib1.dart:8:31: Context: This assertion failed.
-//   const Foo(int i) : assert(i > 0);
-//                               ^
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02_lib2.dart:9:7: Context: While analyzing:
-// const fooField = const Foo(0);
-//       ^
-//
 library;
 import self as self;
 import "error_location_02_lib1.dart" as err;
@@ -59,6 +36,19 @@
 }
 
 library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02_lib2.dart:9:24: Error: Constant evaluation error:
+// const fooField = const Foo(0);
+//                        ^
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02_lib1.dart:8:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02_lib2.dart:9:7: Context: While analyzing:
+// const fooField = const Foo(0);
+//       ^
+//
 import self as self2;
 import "error_location_02_lib1.dart" as err;
 
@@ -67,6 +57,19 @@
 static const field err::Foo* fooField = invalid-expression "This assertion failed.";
 
 library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02_lib3.dart:9:19: Error: Constant evaluation error:
+// const fooField2 = fooField;
+//                   ^
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02_lib1.dart:8:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02_lib3.dart:9:7: Context: While analyzing:
+// const fooField2 = fooField;
+//       ^
+//
 import self as self3;
 import "error_location_02_lib1.dart" as err;
 
diff --git a/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02.dart.weak.transformed.expect b/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02.dart.weak.transformed.expect
index e9d28b1..323bb1d 100644
--- a/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02.dart.weak.transformed.expect
@@ -1,26 +1,3 @@
-//
-// Problems in component:
-//
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02_lib3.dart:9:19: Error: Constant evaluation error:
-// const fooField2 = fooField;
-//                   ^
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02_lib1.dart:8:31: Context: This assertion failed.
-//   const Foo(int i) : assert(i > 0);
-//                               ^
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02_lib3.dart:9:7: Context: While analyzing:
-// const fooField2 = fooField;
-//       ^
-//
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02_lib2.dart:9:24: Error: Constant evaluation error:
-// const fooField = const Foo(0);
-//                        ^
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02_lib1.dart:8:31: Context: This assertion failed.
-//   const Foo(int i) : assert(i > 0);
-//                               ^
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02_lib2.dart:9:7: Context: While analyzing:
-// const fooField = const Foo(0);
-//       ^
-//
 library;
 import self as self;
 import "error_location_02_lib1.dart" as err;
@@ -59,6 +36,19 @@
 }
 
 library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02_lib2.dart:9:24: Error: Constant evaluation error:
+// const fooField = const Foo(0);
+//                        ^
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02_lib1.dart:8:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02_lib2.dart:9:7: Context: While analyzing:
+// const fooField = const Foo(0);
+//       ^
+//
 import self as self2;
 import "error_location_02_lib1.dart" as err;
 
@@ -67,6 +57,19 @@
 static const field err::Foo* fooField = invalid-expression "This assertion failed.";
 
 library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02_lib3.dart:9:19: Error: Constant evaluation error:
+// const fooField2 = fooField;
+//                   ^
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02_lib1.dart:8:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_02_lib3.dart:9:7: Context: While analyzing:
+// const fooField2 = fooField;
+//       ^
+//
 import self as self3;
 import "error_location_02_lib1.dart" as err;
 
diff --git a/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03.dart.weak.expect b/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03.dart.weak.expect
index f9e1e20..e0eca30 100644
--- a/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03.dart.weak.expect
+++ b/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03.dart.weak.expect
@@ -1,26 +1,3 @@
-//
-// Problems in component:
-//
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03_lib2.dart:9:24: Error: Constant evaluation error:
-// const fooField = const Foo(0);
-//                        ^
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03_lib1.dart:8:31: Context: This assertion failed.
-//   const Foo(int i) : assert(i > 0);
-//                               ^
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03_lib2.dart:9:7: Context: While analyzing:
-// const fooField = const Foo(0);
-//       ^
-//
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03_lib3.dart:9:25: Error: Constant evaluation error:
-// const fooField2 = const Foo(0);
-//                         ^
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03_lib1.dart:8:31: Context: This assertion failed.
-//   const Foo(int i) : assert(i > 0);
-//                               ^
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03_lib3.dart:9:7: Context: While analyzing:
-// const fooField2 = const Foo(0);
-//       ^
-//
 library;
 import self as self;
 import "error_location_03_lib1.dart" as err;
@@ -60,6 +37,19 @@
 }
 
 library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03_lib2.dart:9:24: Error: Constant evaluation error:
+// const fooField = const Foo(0);
+//                        ^
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03_lib1.dart:8:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03_lib2.dart:9:7: Context: While analyzing:
+// const fooField = const Foo(0);
+//       ^
+//
 import self as self2;
 import "error_location_03_lib1.dart" as err;
 
@@ -68,6 +58,19 @@
 static const field err::Foo* fooField = invalid-expression "This assertion failed.";
 
 library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03_lib3.dart:9:25: Error: Constant evaluation error:
+// const fooField2 = const Foo(0);
+//                         ^
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03_lib1.dart:8:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03_lib3.dart:9:7: Context: While analyzing:
+// const fooField2 = const Foo(0);
+//       ^
+//
 import self as self3;
 import "error_location_03_lib1.dart" as err;
 
diff --git a/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03.dart.weak.transformed.expect b/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03.dart.weak.transformed.expect
index f9e1e20..e0eca30 100644
--- a/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03.dart.weak.transformed.expect
@@ -1,26 +1,3 @@
-//
-// Problems in component:
-//
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03_lib2.dart:9:24: Error: Constant evaluation error:
-// const fooField = const Foo(0);
-//                        ^
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03_lib1.dart:8:31: Context: This assertion failed.
-//   const Foo(int i) : assert(i > 0);
-//                               ^
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03_lib2.dart:9:7: Context: While analyzing:
-// const fooField = const Foo(0);
-//       ^
-//
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03_lib3.dart:9:25: Error: Constant evaluation error:
-// const fooField2 = const Foo(0);
-//                         ^
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03_lib1.dart:8:31: Context: This assertion failed.
-//   const Foo(int i) : assert(i > 0);
-//                               ^
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03_lib3.dart:9:7: Context: While analyzing:
-// const fooField2 = const Foo(0);
-//       ^
-//
 library;
 import self as self;
 import "error_location_03_lib1.dart" as err;
@@ -60,6 +37,19 @@
 }
 
 library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03_lib2.dart:9:24: Error: Constant evaluation error:
+// const fooField = const Foo(0);
+//                        ^
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03_lib1.dart:8:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03_lib2.dart:9:7: Context: While analyzing:
+// const fooField = const Foo(0);
+//       ^
+//
 import self as self2;
 import "error_location_03_lib1.dart" as err;
 
@@ -68,6 +58,19 @@
 static const field err::Foo* fooField = invalid-expression "This assertion failed.";
 
 library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03_lib3.dart:9:25: Error: Constant evaluation error:
+// const fooField2 = const Foo(0);
+//                         ^
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03_lib1.dart:8:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_03_lib3.dart:9:7: Context: While analyzing:
+// const fooField2 = const Foo(0);
+//       ^
+//
 import self as self3;
 import "error_location_03_lib1.dart" as err;
 
diff --git a/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_04.dart.weak.expect b/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_04.dart.weak.expect
index 558b630..eaf451a 100644
--- a/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_04.dart.weak.expect
+++ b/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_04.dart.weak.expect
@@ -1,13 +1,3 @@
-//
-// Problems in component:
-//
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_04_lib2.dart:11:27: Error: Constant evaluation error:
-//   const Bar() : x = const Foo(0);
-//                           ^
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_04_lib1.dart:8:31: Context: This assertion failed.
-//   const Foo(int i) : assert(i > 0);
-//                               ^
-//
 library;
 import self as self;
 import "error_location_04_lib1.dart" as err;
@@ -45,6 +35,16 @@
 }
 
 library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_04_lib2.dart:11:27: Error: Constant evaluation error:
+//   const Bar() : x = const Foo(0);
+//                           ^
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_04_lib1.dart:8:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+//
 import self as err2;
 import "dart:core" as core;
 import "error_location_04_lib1.dart" as err;
diff --git a/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_04.dart.weak.transformed.expect b/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_04.dart.weak.transformed.expect
index 558b630..eaf451a 100644
--- a/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_04.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_04.dart.weak.transformed.expect
@@ -1,13 +1,3 @@
-//
-// Problems in component:
-//
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_04_lib2.dart:11:27: Error: Constant evaluation error:
-//   const Bar() : x = const Foo(0);
-//                           ^
-// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_04_lib1.dart:8:31: Context: This assertion failed.
-//   const Foo(int i) : assert(i > 0);
-//                               ^
-//
 library;
 import self as self;
 import "error_location_04_lib1.dart" as err;
@@ -45,6 +35,16 @@
 }
 
 library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_04_lib2.dart:11:27: Error: Constant evaluation error:
+//   const Bar() : x = const Foo(0);
+//                           ^
+// pkg/front_end/testcases/general_nnbd_opt_out/error_locations/error_location_04_lib1.dart:8:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+//
 import self as err2;
 import "dart:core" as core;
 import "error_location_04_lib1.dart" as err;
diff --git a/pkg/front_end/testcases/general_nnbd_opt_out/ffi_sample.dart.weak.transformed.expect b/pkg/front_end/testcases/general_nnbd_opt_out/ffi_sample.dart.weak.transformed.expect
index 97266d3..c402dca 100644
--- a/pkg/front_end/testcases/general_nnbd_opt_out/ffi_sample.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/general_nnbd_opt_out/ffi_sample.dart.weak.transformed.expect
@@ -44,7 +44,7 @@
   get next() → ffi::Pointer<self::Coordinate*>*
     return ffi::_fromAddress<self::Coordinate*>(ffi::_loadIntPtr(this.{ffi::Struct::_addressOf}, (#C12).{core::List::[]}(ffi::_abi())));
   set next(ffi::Pointer<self::Coordinate*>* #v) → void
-    return ffi::_storeIntPtr(this.{ffi::Struct::_addressOf}, (#C12).{core::List::[]}(ffi::_abi()), #v.{=ffi::Pointer::address});
+    return ffi::_storeIntPtr(this.{ffi::Struct::_addressOf}, (#C12).{core::List::[]}(ffi::_abi()), #v.{ffi::Pointer::address});
 }
 static method main() → dynamic {}
 
diff --git a/pkg/front_end/testcases/general_nnbd_opt_out/mixin_constructors_with_default_values.dart.weak.expect b/pkg/front_end/testcases/general_nnbd_opt_out/mixin_constructors_with_default_values.dart.weak.expect
index 1edf01c..b2d2a0f 100644
--- a/pkg/front_end/testcases/general_nnbd_opt_out/mixin_constructors_with_default_values.dart.weak.expect
+++ b/pkg/front_end/testcases/general_nnbd_opt_out/mixin_constructors_with_default_values.dart.weak.expect
@@ -1,5 +1,6 @@
+library;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/general_nnbd_opt_out/mixin_constructors_with_default_values.dart:11:15: Error: Constant evaluation error:
 //   C({a: 0, b: T}) : trace = "a: $a, b: $b";
@@ -11,7 +12,6 @@
 //   C({a: 0, b: T}) : trace = "a: $a, b: $b";
 //            ^
 //
-library;
 import self as self;
 import "dart:core" as core;
 import "package:expect/expect.dart" as exp;
diff --git a/pkg/front_end/testcases/general_nnbd_opt_out/mixin_constructors_with_default_values.dart.weak.transformed.expect b/pkg/front_end/testcases/general_nnbd_opt_out/mixin_constructors_with_default_values.dart.weak.transformed.expect
index 363663f..d0d4423 100644
--- a/pkg/front_end/testcases/general_nnbd_opt_out/mixin_constructors_with_default_values.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/general_nnbd_opt_out/mixin_constructors_with_default_values.dart.weak.transformed.expect
@@ -1,5 +1,6 @@
+library;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/general_nnbd_opt_out/mixin_constructors_with_default_values.dart:11:15: Error: Constant evaluation error:
 //   C({a: 0, b: T}) : trace = "a: $a, b: $b";
@@ -11,7 +12,6 @@
 //   C({a: 0, b: T}) : trace = "a: $a, b: $b";
 //            ^
 //
-library;
 import self as self;
 import "dart:core" as core;
 import "package:expect/expect.dart" as exp;
diff --git a/pkg/front_end/testcases/incremental_initialize_from_dill/ffi_01.yaml.world.1.expect b/pkg/front_end/testcases/incremental_initialize_from_dill/ffi_01.yaml.world.1.expect
index deaa189..07b6c80 100644
--- a/pkg/front_end/testcases/incremental_initialize_from_dill/ffi_01.yaml.world.1.expect
+++ b/pkg/front_end/testcases/incremental_initialize_from_dill/ffi_01.yaml.world.1.expect
@@ -36,7 +36,7 @@
     get next() → dart.ffi::Pointer<lib::Coordinate*>*
       return dart.ffi::_fromAddress<lib::Coordinate*>(dart.ffi::_loadIntPtr(this.{dart.ffi::Struct::_addressOf}, (#C12).{dart.core::List::[]}(dart.ffi::_abi())));
     set next(dart.ffi::Pointer<lib::Coordinate*>* #v) → void
-      return dart.ffi::_storeIntPtr(this.{dart.ffi::Struct::_addressOf}, (#C12).{dart.core::List::[]}(dart.ffi::_abi()), #v.{=dart.ffi::Pointer::address});
+      return dart.ffi::_storeIntPtr(this.{dart.ffi::Struct::_addressOf}, (#C12).{dart.core::List::[]}(dart.ffi::_abi()), #v.{dart.ffi::Pointer::address});
   }
 }
 library from "org-dartlang-test:///main.dart" as main {
diff --git a/pkg/front_end/testcases/incremental_initialize_from_dill/ffi_01.yaml.world.2.expect b/pkg/front_end/testcases/incremental_initialize_from_dill/ffi_01.yaml.world.2.expect
index 142aced..c592dbf 100644
--- a/pkg/front_end/testcases/incremental_initialize_from_dill/ffi_01.yaml.world.2.expect
+++ b/pkg/front_end/testcases/incremental_initialize_from_dill/ffi_01.yaml.world.2.expect
@@ -36,7 +36,7 @@
     get next() → dart.ffi::Pointer<lib::Coordinate*>*
       return dart.ffi::_fromAddress<lib::Coordinate*>(dart.ffi::_loadIntPtr(this.{dart.ffi::Struct::_addressOf}, (#C12).{dart.core::List::[]}(dart.ffi::_abi())));
     set next(dart.ffi::Pointer<lib::Coordinate*>* #v) → void
-      return dart.ffi::_storeIntPtr(this.{dart.ffi::Struct::_addressOf}, (#C12).{dart.core::List::[]}(dart.ffi::_abi()), #v.{=dart.ffi::Pointer::address});
+      return dart.ffi::_storeIntPtr(this.{dart.ffi::Struct::_addressOf}, (#C12).{dart.core::List::[]}(dart.ffi::_abi()), #v.{dart.ffi::Pointer::address});
   }
 }
 library from "org-dartlang-test:///main.dart" as main {
diff --git a/pkg/front_end/testcases/incremental_initialize_from_dill/ffi_02.yaml.world.1.expect b/pkg/front_end/testcases/incremental_initialize_from_dill/ffi_02.yaml.world.1.expect
index 69a75ed..fae41df 100644
--- a/pkg/front_end/testcases/incremental_initialize_from_dill/ffi_02.yaml.world.1.expect
+++ b/pkg/front_end/testcases/incremental_initialize_from_dill/ffi_02.yaml.world.1.expect
@@ -36,7 +36,7 @@
     get next() → dart.ffi::Pointer<lib::Coordinate*>*
       return dart.ffi::_fromAddress<lib::Coordinate*>(dart.ffi::_loadIntPtr(this.{dart.ffi::Struct::_addressOf}, (#C12).{dart.core::List::[]}(dart.ffi::_abi())));
     set next(dart.ffi::Pointer<lib::Coordinate*>* #v) → void
-      return dart.ffi::_storeIntPtr(this.{dart.ffi::Struct::_addressOf}, (#C12).{dart.core::List::[]}(dart.ffi::_abi()), #v.{=dart.ffi::Pointer::address});
+      return dart.ffi::_storeIntPtr(this.{dart.ffi::Struct::_addressOf}, (#C12).{dart.core::List::[]}(dart.ffi::_abi()), #v.{dart.ffi::Pointer::address});
   }
 }
 library from "org-dartlang-test:///main.dart" as main {
diff --git a/pkg/front_end/testcases/incremental_initialize_from_dill/no_outline_change_35.yaml.world.1.expect b/pkg/front_end/testcases/incremental_initialize_from_dill/no_outline_change_35.yaml.world.1.expect
index deaa189..07b6c80 100644
--- a/pkg/front_end/testcases/incremental_initialize_from_dill/no_outline_change_35.yaml.world.1.expect
+++ b/pkg/front_end/testcases/incremental_initialize_from_dill/no_outline_change_35.yaml.world.1.expect
@@ -36,7 +36,7 @@
     get next() → dart.ffi::Pointer<lib::Coordinate*>*
       return dart.ffi::_fromAddress<lib::Coordinate*>(dart.ffi::_loadIntPtr(this.{dart.ffi::Struct::_addressOf}, (#C12).{dart.core::List::[]}(dart.ffi::_abi())));
     set next(dart.ffi::Pointer<lib::Coordinate*>* #v) → void
-      return dart.ffi::_storeIntPtr(this.{dart.ffi::Struct::_addressOf}, (#C12).{dart.core::List::[]}(dart.ffi::_abi()), #v.{=dart.ffi::Pointer::address});
+      return dart.ffi::_storeIntPtr(this.{dart.ffi::Struct::_addressOf}, (#C12).{dart.core::List::[]}(dart.ffi::_abi()), #v.{dart.ffi::Pointer::address});
   }
 }
 library from "org-dartlang-test:///main.dart" as main {
diff --git a/pkg/front_end/testcases/incremental_initialize_from_dill/no_outline_change_35.yaml.world.2.expect b/pkg/front_end/testcases/incremental_initialize_from_dill/no_outline_change_35.yaml.world.2.expect
index 53a7be9..879c497 100644
--- a/pkg/front_end/testcases/incremental_initialize_from_dill/no_outline_change_35.yaml.world.2.expect
+++ b/pkg/front_end/testcases/incremental_initialize_from_dill/no_outline_change_35.yaml.world.2.expect
@@ -36,7 +36,7 @@
     get next() → dart.ffi::Pointer<lib::Coordinate*>*
       return dart.ffi::_fromAddress<lib::Coordinate*>(dart.ffi::_loadIntPtr(this.{dart.ffi::Struct::_addressOf}, (#C12).{dart.core::List::[]}(dart.ffi::_abi())));
     set next(dart.ffi::Pointer<lib::Coordinate*>* #v) → void
-      return dart.ffi::_storeIntPtr(this.{dart.ffi::Struct::_addressOf}, (#C12).{dart.core::List::[]}(dart.ffi::_abi()), #v.{=dart.ffi::Pointer::address});
+      return dart.ffi::_storeIntPtr(this.{dart.ffi::Struct::_addressOf}, (#C12).{dart.core::List::[]}(dart.ffi::_abi()), #v.{dart.ffi::Pointer::address});
   }
 }
 library from "org-dartlang-test:///main.dart" as main {
diff --git a/pkg/front_end/testcases/incremental_initialize_from_dill/no_outline_change_35.yaml.world.3.expect b/pkg/front_end/testcases/incremental_initialize_from_dill/no_outline_change_35.yaml.world.3.expect
index d5c77ed..c31f270 100644
--- a/pkg/front_end/testcases/incremental_initialize_from_dill/no_outline_change_35.yaml.world.3.expect
+++ b/pkg/front_end/testcases/incremental_initialize_from_dill/no_outline_change_35.yaml.world.3.expect
@@ -37,7 +37,7 @@
     get next() → dart.ffi::Pointer<lib::Coordinate*>*
       return dart.ffi::_fromAddress<lib::Coordinate*>(dart.ffi::_loadIntPtr(this.{dart.ffi::Struct::_addressOf}, (#C12).{dart.core::List::[]}(dart.ffi::_abi())));
     set next(dart.ffi::Pointer<lib::Coordinate*>* #v) → void
-      return dart.ffi::_storeIntPtr(this.{dart.ffi::Struct::_addressOf}, (#C12).{dart.core::List::[]}(dart.ffi::_abi()), #v.{=dart.ffi::Pointer::address});
+      return dart.ffi::_storeIntPtr(this.{dart.ffi::Struct::_addressOf}, (#C12).{dart.core::List::[]}(dart.ffi::_abi()), #v.{dart.ffi::Pointer::address});
   }
 }
 library from "org-dartlang-test:///main.dart" as main {
diff --git a/pkg/front_end/testcases/incremental_initialize_from_dill/reissue_errors_10.yaml.world.2.expect b/pkg/front_end/testcases/incremental_initialize_from_dill/reissue_errors_10.yaml.world.2.expect
index b92a1ea..d5f5815 100644
--- a/pkg/front_end/testcases/incremental_initialize_from_dill/reissue_errors_10.yaml.world.2.expect
+++ b/pkg/front_end/testcases/incremental_initialize_from_dill/reissue_errors_10.yaml.world.2.expect
@@ -21,12 +21,38 @@
   }
 }
 library from "org-dartlang-test:///lib2.dart" as lib2 {
+//
+// Problems in library:
+//
+// org-dartlang-test:///lib2.dart:2:24: Error: Constant evaluation error:
+// const fooField = const Foo(0);
+//                        ^
+// org-dartlang-test:///lib.dart:2:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+// org-dartlang-test:///lib2.dart:2:7: Context: While analyzing:
+// const fooField = const Foo(0);
+//       ^
+//
 
   import "org-dartlang-test:///lib.dart";
 
   static const field lib::Foo* fooField = invalid-expression "This assertion failed.";
 }
 library from "org-dartlang-test:///lib3.dart" as lib3 {
+//
+// Problems in library:
+//
+// org-dartlang-test:///lib3.dart:2:25: Error: Constant evaluation error:
+// const fooField2 = const Foo(0);
+//                         ^
+// org-dartlang-test:///lib.dart:2:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+// org-dartlang-test:///lib3.dart:2:7: Context: While analyzing:
+// const fooField2 = const Foo(0);
+//       ^
+//
 
   import "org-dartlang-test:///lib.dart";
 
diff --git a/pkg/front_end/testcases/incremental_initialize_from_dill/reissue_errors_10.yaml.world.3.expect b/pkg/front_end/testcases/incremental_initialize_from_dill/reissue_errors_10.yaml.world.3.expect
index a37c20f..b78ad6f 100644
--- a/pkg/front_end/testcases/incremental_initialize_from_dill/reissue_errors_10.yaml.world.3.expect
+++ b/pkg/front_end/testcases/incremental_initialize_from_dill/reissue_errors_10.yaml.world.3.expect
@@ -27,6 +27,19 @@
   static const field lib::Foo* fooField = #C1;
 }
 library from "org-dartlang-test:///lib3.dart" as lib3 {
+//
+// Problems in library:
+//
+// org-dartlang-test:///lib3.dart:2:25: Error: Constant evaluation error:
+// const fooField2 = const Foo(0);
+//                         ^
+// org-dartlang-test:///lib.dart:2:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+// org-dartlang-test:///lib3.dart:2:7: Context: While analyzing:
+// const fooField2 = const Foo(0);
+//       ^
+//
 
   import "org-dartlang-test:///lib.dart";
 
diff --git a/pkg/front_end/testcases/incremental_initialize_from_dill/reissue_errors_10.yaml.world.4.expect b/pkg/front_end/testcases/incremental_initialize_from_dill/reissue_errors_10.yaml.world.4.expect
index 7ebf557..b991c2c 100644
--- a/pkg/front_end/testcases/incremental_initialize_from_dill/reissue_errors_10.yaml.world.4.expect
+++ b/pkg/front_end/testcases/incremental_initialize_from_dill/reissue_errors_10.yaml.world.4.expect
@@ -21,6 +21,19 @@
   }
 }
 library from "org-dartlang-test:///lib2.dart" as lib2 {
+//
+// Problems in library:
+//
+// org-dartlang-test:///lib2.dart:2:24: Error: Constant evaluation error:
+// const fooField = const Foo(0);
+//                        ^
+// org-dartlang-test:///lib.dart:2:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+// org-dartlang-test:///lib2.dart:2:7: Context: While analyzing:
+// const fooField = const Foo(0);
+//       ^
+//
 
   import "org-dartlang-test:///lib.dart";
 
diff --git a/pkg/front_end/testcases/incremental_initialize_from_dill/reissue_errors_11.yaml.world.2.expect b/pkg/front_end/testcases/incremental_initialize_from_dill/reissue_errors_11.yaml.world.2.expect
index da804b5..0749995 100644
--- a/pkg/front_end/testcases/incremental_initialize_from_dill/reissue_errors_11.yaml.world.2.expect
+++ b/pkg/front_end/testcases/incremental_initialize_from_dill/reissue_errors_11.yaml.world.2.expect
@@ -21,6 +21,16 @@
   }
 }
 library from "org-dartlang-test:///lib2.dart" as lib2 {
+//
+// Problems in library:
+//
+// org-dartlang-test:///lib2.dart:4:27: Error: Constant evaluation error:
+//   const Bar() : x = const Foo(0);
+//                           ^
+// org-dartlang-test:///lib.dart:2:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+//
 
   import "org-dartlang-test:///lib.dart";
 
diff --git a/pkg/front_end/testcases/incremental_initialize_from_dill/reissue_errors_8.yaml.world.2.expect b/pkg/front_end/testcases/incremental_initialize_from_dill/reissue_errors_8.yaml.world.2.expect
index ff534c4..a3c1c19 100644
--- a/pkg/front_end/testcases/incremental_initialize_from_dill/reissue_errors_8.yaml.world.2.expect
+++ b/pkg/front_end/testcases/incremental_initialize_from_dill/reissue_errors_8.yaml.world.2.expect
@@ -21,6 +21,16 @@
   }
 }
 library from "org-dartlang-test:///lib2.dart" as lib2 {
+//
+// Problems in library:
+//
+// org-dartlang-test:///lib2.dart:3:9: Error: Constant evaluation error:
+//   const Foo(0);
+//         ^
+// org-dartlang-test:///lib.dart:2:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+//
 
   import "org-dartlang-test:///lib.dart";
 
diff --git a/pkg/front_end/testcases/incremental_initialize_from_dill/reissue_errors_9.yaml.world.2.expect b/pkg/front_end/testcases/incremental_initialize_from_dill/reissue_errors_9.yaml.world.2.expect
index 503ce20..20b5e7e 100644
--- a/pkg/front_end/testcases/incremental_initialize_from_dill/reissue_errors_9.yaml.world.2.expect
+++ b/pkg/front_end/testcases/incremental_initialize_from_dill/reissue_errors_9.yaml.world.2.expect
@@ -21,12 +21,38 @@
   }
 }
 library from "org-dartlang-test:///lib2.dart" as lib2 {
+//
+// Problems in library:
+//
+// org-dartlang-test:///lib2.dart:2:24: Error: Constant evaluation error:
+// const fooField = const Foo(0);
+//                        ^
+// org-dartlang-test:///lib.dart:2:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+// org-dartlang-test:///lib2.dart:2:7: Context: While analyzing:
+// const fooField = const Foo(0);
+//       ^
+//
 
   import "org-dartlang-test:///lib.dart";
 
   static const field lib::Foo* fooField = invalid-expression "This assertion failed.";
 }
 library from "org-dartlang-test:///lib3.dart" as lib3 {
+//
+// Problems in library:
+//
+// org-dartlang-test:///lib3.dart:2:19: Error: Constant evaluation error:
+// const fooField2 = fooField;
+//                   ^
+// org-dartlang-test:///lib.dart:2:31: Context: This assertion failed.
+//   const Foo(int i) : assert(i > 0);
+//                               ^
+// org-dartlang-test:///lib3.dart:2:7: Context: While analyzing:
+// const fooField2 = fooField;
+//       ^
+//
 
   import "org-dartlang-test:///lib2.dart";
 
diff --git a/pkg/front_end/testcases/nnbd/constant_null_check.dart.strong.expect b/pkg/front_end/testcases/nnbd/constant_null_check.dart.strong.expect
index ca8683f..a0b9eae 100644
--- a/pkg/front_end/testcases/nnbd/constant_null_check.dart.strong.expect
+++ b/pkg/front_end/testcases/nnbd/constant_null_check.dart.strong.expect
@@ -1,5 +1,6 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/nnbd/constant_null_check.dart:9:17: Error: Constant evaluation error:
 // const int? d = c!;
@@ -21,7 +22,6 @@
 // const Class f = const Class(c);
 //             ^
 //
-library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/nnbd/constant_null_check.dart.strong.transformed.expect b/pkg/front_end/testcases/nnbd/constant_null_check.dart.strong.transformed.expect
index ca8683f..a0b9eae 100644
--- a/pkg/front_end/testcases/nnbd/constant_null_check.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/nnbd/constant_null_check.dart.strong.transformed.expect
@@ -1,5 +1,6 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/nnbd/constant_null_check.dart:9:17: Error: Constant evaluation error:
 // const int? d = c!;
@@ -21,7 +22,6 @@
 // const Class f = const Class(c);
 //             ^
 //
-library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/nnbd/constant_null_check.dart.weak.expect b/pkg/front_end/testcases/nnbd/constant_null_check.dart.weak.expect
index ca8683f..a0b9eae 100644
--- a/pkg/front_end/testcases/nnbd/constant_null_check.dart.weak.expect
+++ b/pkg/front_end/testcases/nnbd/constant_null_check.dart.weak.expect
@@ -1,5 +1,6 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/nnbd/constant_null_check.dart:9:17: Error: Constant evaluation error:
 // const int? d = c!;
@@ -21,7 +22,6 @@
 // const Class f = const Class(c);
 //             ^
 //
-library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/nnbd/constant_null_check.dart.weak.transformed.expect b/pkg/front_end/testcases/nnbd/constant_null_check.dart.weak.transformed.expect
index ca8683f..a0b9eae 100644
--- a/pkg/front_end/testcases/nnbd/constant_null_check.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/nnbd/constant_null_check.dart.weak.transformed.expect
@@ -1,5 +1,6 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/nnbd/constant_null_check.dart:9:17: Error: Constant evaluation error:
 // const int? d = c!;
@@ -21,7 +22,6 @@
 // const Class f = const Class(c);
 //             ^
 //
-library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/nnbd/from_agnostic/from_agnostic.dart.weak.expect b/pkg/front_end/testcases/nnbd/from_agnostic/from_agnostic.dart.weak.expect
index 7ede780..f936ed5 100644
--- a/pkg/front_end/testcases/nnbd/from_agnostic/from_agnostic.dart.weak.expect
+++ b/pkg/front_end/testcases/nnbd/from_agnostic/from_agnostic.dart.weak.expect
@@ -1,5 +1,6 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/nnbd/from_agnostic/from_agnostic.dart:8:12: Error: Constant evaluation error:
 // const c2 = {a: 0, b: 1};
@@ -21,7 +22,6 @@
 // const c3 = {a, b};
 //       ^
 //
-library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/nnbd/from_agnostic/from_agnostic.dart.weak.transformed.expect b/pkg/front_end/testcases/nnbd/from_agnostic/from_agnostic.dart.weak.transformed.expect
index 7ede780..f936ed5 100644
--- a/pkg/front_end/testcases/nnbd/from_agnostic/from_agnostic.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/nnbd/from_agnostic/from_agnostic.dart.weak.transformed.expect
@@ -1,5 +1,6 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/nnbd/from_agnostic/from_agnostic.dart:8:12: Error: Constant evaluation error:
 // const c2 = {a: 0, b: 1};
@@ -21,7 +22,6 @@
 // const c3 = {a, b};
 //       ^
 //
-library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/nnbd/issue41657.dart.strong.expect b/pkg/front_end/testcases/nnbd/issue41657.dart.strong.expect
index f69417a..0e06724 100644
--- a/pkg/front_end/testcases/nnbd/issue41657.dart.strong.expect
+++ b/pkg/front_end/testcases/nnbd/issue41657.dart.strong.expect
@@ -1,5 +1,6 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/nnbd/issue41657.dart:10:41: Error: Constant evaluation error:
 // const assertLegacySubtyping1 = <Null>[] as List<int>;
@@ -23,7 +24,6 @@
 // const assertLegacySubtyping2 = <int?>[] as List<int>;
 //       ^
 //
-library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/nnbd/issue41657.dart.strong.transformed.expect b/pkg/front_end/testcases/nnbd/issue41657.dart.strong.transformed.expect
index f69417a..0e06724 100644
--- a/pkg/front_end/testcases/nnbd/issue41657.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/nnbd/issue41657.dart.strong.transformed.expect
@@ -1,5 +1,6 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/nnbd/issue41657.dart:10:41: Error: Constant evaluation error:
 // const assertLegacySubtyping1 = <Null>[] as List<int>;
@@ -23,7 +24,6 @@
 // const assertLegacySubtyping2 = <int?>[] as List<int>;
 //       ^
 //
-library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/nnbd/potentially_constant_type_as.dart.strong.expect b/pkg/front_end/testcases/nnbd/potentially_constant_type_as.dart.strong.expect
index 6ec69f6..f6d9603 100644
--- a/pkg/front_end/testcases/nnbd/potentially_constant_type_as.dart.strong.expect
+++ b/pkg/front_end/testcases/nnbd/potentially_constant_type_as.dart.strong.expect
@@ -1,5 +1,6 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/nnbd/potentially_constant_type_as.dart:61:9: Error: Constant evaluation error:
 //   const ClassWithFunction<Object>(objectFunction); // ok in weak mode
@@ -133,7 +134,6 @@
 //   const ClassWithFunction(dynamic value) : field = value as T Function(T);
 //                                                          ^
 //
-library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/nnbd/potentially_constant_type_as.dart.strong.transformed.expect b/pkg/front_end/testcases/nnbd/potentially_constant_type_as.dart.strong.transformed.expect
index 6ec69f6..f6d9603 100644
--- a/pkg/front_end/testcases/nnbd/potentially_constant_type_as.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/nnbd/potentially_constant_type_as.dart.strong.transformed.expect
@@ -1,5 +1,6 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/nnbd/potentially_constant_type_as.dart:61:9: Error: Constant evaluation error:
 //   const ClassWithFunction<Object>(objectFunction); // ok in weak mode
@@ -133,7 +134,6 @@
 //   const ClassWithFunction(dynamic value) : field = value as T Function(T);
 //                                                          ^
 //
-library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/nnbd/potentially_constant_type_as.dart.weak.expect b/pkg/front_end/testcases/nnbd/potentially_constant_type_as.dart.weak.expect
index 37e43f1..03c1430 100644
--- a/pkg/front_end/testcases/nnbd/potentially_constant_type_as.dart.weak.expect
+++ b/pkg/front_end/testcases/nnbd/potentially_constant_type_as.dart.weak.expect
@@ -1,5 +1,6 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/nnbd/potentially_constant_type_as.dart:65:9: Error: Constant evaluation error:
 //   const Class<num>(''); // error
@@ -125,7 +126,6 @@
 //   const ClassWithFunction(dynamic value) : field = value as T Function(T);
 //                                                          ^
 //
-library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/nnbd/potentially_constant_type_as.dart.weak.transformed.expect b/pkg/front_end/testcases/nnbd/potentially_constant_type_as.dart.weak.transformed.expect
index 37e43f1..03c1430 100644
--- a/pkg/front_end/testcases/nnbd/potentially_constant_type_as.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/nnbd/potentially_constant_type_as.dart.weak.transformed.expect
@@ -1,5 +1,6 @@
+library /*isNonNullableByDefault*/;
 //
-// Problems in component:
+// Problems in library:
 //
 // pkg/front_end/testcases/nnbd/potentially_constant_type_as.dart:65:9: Error: Constant evaluation error:
 //   const Class<num>(''); // error
@@ -125,7 +126,6 @@
 //   const ClassWithFunction(dynamic value) : field = value as T Function(T);
 //                                                          ^
 //
-library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/nnbd/switch_redesign_types.dart.strong.expect b/pkg/front_end/testcases/nnbd/switch_redesign_types.dart.strong.expect
index bd7eee5..c678c28 100644
--- a/pkg/front_end/testcases/nnbd/switch_redesign_types.dart.strong.expect
+++ b/pkg/front_end/testcases/nnbd/switch_redesign_types.dart.strong.expect
@@ -1,16 +1,3 @@
-//
-// Problems in component:
-//
-// pkg/front_end/testcases/nnbd/switch_redesign_types.dart:37:16: Error: Case expression 'D {}' does not have a primitive operator '=='.
-//  - 'D' is from 'pkg/front_end/testcases/nnbd/switch_redesign_types.dart'.
-//     case const D(42): // Error: D has custom operator ==.
-//                ^
-//
-// pkg/front_end/testcases/nnbd/switch_redesign_types.dart:39:10: Error: Case expression 'D {}' does not have a primitive operator '=='.
-//  - 'D' is from 'pkg/front_end/testcases/nnbd/switch_redesign_types.dart'.
-//     case x: // Error: D has custom operator ==.
-//          ^
-//
 library /*isNonNullableByDefault*/;
 //
 // Problems in library:
@@ -32,6 +19,16 @@
 //   switch (b) {
 //           ^
 //
+// pkg/front_end/testcases/nnbd/switch_redesign_types.dart:37:16: Error: Case expression 'D {}' does not have a primitive operator '=='.
+//  - 'D' is from 'pkg/front_end/testcases/nnbd/switch_redesign_types.dart'.
+//     case const D(42): // Error: D has custom operator ==.
+//                ^
+//
+// pkg/front_end/testcases/nnbd/switch_redesign_types.dart:39:10: Error: Case expression 'D {}' does not have a primitive operator '=='.
+//  - 'D' is from 'pkg/front_end/testcases/nnbd/switch_redesign_types.dart'.
+//     case x: // Error: D has custom operator ==.
+//          ^
+//
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/nnbd/switch_redesign_types.dart.strong.transformed.expect b/pkg/front_end/testcases/nnbd/switch_redesign_types.dart.strong.transformed.expect
index bd7eee5..c678c28 100644
--- a/pkg/front_end/testcases/nnbd/switch_redesign_types.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/nnbd/switch_redesign_types.dart.strong.transformed.expect
@@ -1,16 +1,3 @@
-//
-// Problems in component:
-//
-// pkg/front_end/testcases/nnbd/switch_redesign_types.dart:37:16: Error: Case expression 'D {}' does not have a primitive operator '=='.
-//  - 'D' is from 'pkg/front_end/testcases/nnbd/switch_redesign_types.dart'.
-//     case const D(42): // Error: D has custom operator ==.
-//                ^
-//
-// pkg/front_end/testcases/nnbd/switch_redesign_types.dart:39:10: Error: Case expression 'D {}' does not have a primitive operator '=='.
-//  - 'D' is from 'pkg/front_end/testcases/nnbd/switch_redesign_types.dart'.
-//     case x: // Error: D has custom operator ==.
-//          ^
-//
 library /*isNonNullableByDefault*/;
 //
 // Problems in library:
@@ -32,6 +19,16 @@
 //   switch (b) {
 //           ^
 //
+// pkg/front_end/testcases/nnbd/switch_redesign_types.dart:37:16: Error: Case expression 'D {}' does not have a primitive operator '=='.
+//  - 'D' is from 'pkg/front_end/testcases/nnbd/switch_redesign_types.dart'.
+//     case const D(42): // Error: D has custom operator ==.
+//                ^
+//
+// pkg/front_end/testcases/nnbd/switch_redesign_types.dart:39:10: Error: Case expression 'D {}' does not have a primitive operator '=='.
+//  - 'D' is from 'pkg/front_end/testcases/nnbd/switch_redesign_types.dart'.
+//     case x: // Error: D has custom operator ==.
+//          ^
+//
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/nnbd/switch_redesign_types.dart.weak.expect b/pkg/front_end/testcases/nnbd/switch_redesign_types.dart.weak.expect
index bd7eee5..c678c28 100644
--- a/pkg/front_end/testcases/nnbd/switch_redesign_types.dart.weak.expect
+++ b/pkg/front_end/testcases/nnbd/switch_redesign_types.dart.weak.expect
@@ -1,16 +1,3 @@
-//
-// Problems in component:
-//
-// pkg/front_end/testcases/nnbd/switch_redesign_types.dart:37:16: Error: Case expression 'D {}' does not have a primitive operator '=='.
-//  - 'D' is from 'pkg/front_end/testcases/nnbd/switch_redesign_types.dart'.
-//     case const D(42): // Error: D has custom operator ==.
-//                ^
-//
-// pkg/front_end/testcases/nnbd/switch_redesign_types.dart:39:10: Error: Case expression 'D {}' does not have a primitive operator '=='.
-//  - 'D' is from 'pkg/front_end/testcases/nnbd/switch_redesign_types.dart'.
-//     case x: // Error: D has custom operator ==.
-//          ^
-//
 library /*isNonNullableByDefault*/;
 //
 // Problems in library:
@@ -32,6 +19,16 @@
 //   switch (b) {
 //           ^
 //
+// pkg/front_end/testcases/nnbd/switch_redesign_types.dart:37:16: Error: Case expression 'D {}' does not have a primitive operator '=='.
+//  - 'D' is from 'pkg/front_end/testcases/nnbd/switch_redesign_types.dart'.
+//     case const D(42): // Error: D has custom operator ==.
+//                ^
+//
+// pkg/front_end/testcases/nnbd/switch_redesign_types.dart:39:10: Error: Case expression 'D {}' does not have a primitive operator '=='.
+//  - 'D' is from 'pkg/front_end/testcases/nnbd/switch_redesign_types.dart'.
+//     case x: // Error: D has custom operator ==.
+//          ^
+//
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/front_end/testcases/nnbd/switch_redesign_types.dart.weak.transformed.expect b/pkg/front_end/testcases/nnbd/switch_redesign_types.dart.weak.transformed.expect
index bd7eee5..c678c28 100644
--- a/pkg/front_end/testcases/nnbd/switch_redesign_types.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/nnbd/switch_redesign_types.dart.weak.transformed.expect
@@ -1,16 +1,3 @@
-//
-// Problems in component:
-//
-// pkg/front_end/testcases/nnbd/switch_redesign_types.dart:37:16: Error: Case expression 'D {}' does not have a primitive operator '=='.
-//  - 'D' is from 'pkg/front_end/testcases/nnbd/switch_redesign_types.dart'.
-//     case const D(42): // Error: D has custom operator ==.
-//                ^
-//
-// pkg/front_end/testcases/nnbd/switch_redesign_types.dart:39:10: Error: Case expression 'D {}' does not have a primitive operator '=='.
-//  - 'D' is from 'pkg/front_end/testcases/nnbd/switch_redesign_types.dart'.
-//     case x: // Error: D has custom operator ==.
-//          ^
-//
 library /*isNonNullableByDefault*/;
 //
 // Problems in library:
@@ -32,6 +19,16 @@
 //   switch (b) {
 //           ^
 //
+// pkg/front_end/testcases/nnbd/switch_redesign_types.dart:37:16: Error: Case expression 'D {}' does not have a primitive operator '=='.
+//  - 'D' is from 'pkg/front_end/testcases/nnbd/switch_redesign_types.dart'.
+//     case const D(42): // Error: D has custom operator ==.
+//                ^
+//
+// pkg/front_end/testcases/nnbd/switch_redesign_types.dart:39:10: Error: Case expression 'D {}' does not have a primitive operator '=='.
+//  - 'D' is from 'pkg/front_end/testcases/nnbd/switch_redesign_types.dart'.
+//     case x: // Error: D has custom operator ==.
+//          ^
+//
 import self as self;
 import "dart:core" as core;
 
diff --git a/pkg/kernel/binary.md b/pkg/kernel/binary.md
index b36cb0c..aade49b 100644
--- a/pkg/kernel/binary.md
+++ b/pkg/kernel/binary.md
@@ -143,7 +143,7 @@
 
 type ComponentFile {
   UInt32 magic = 0x90ABCDEF;
-  UInt32 formatVersion = 45;
+  UInt32 formatVersion = 46;
   Byte[10] shortSdkHash;
   List<String> problemsAsJson; // Described in problems.md.
   Library[] libraries;
@@ -613,23 +613,6 @@
   MemberReference interfaceTargetOrigin; // May be NullReference.
 }
 
-type DirectPropertyGet extends Expression {
-  Byte tag = 15; // Note: tag is out of order
-  FileOffset fileOffset;
-  Expression receiver;
-  MemberReference target;
-  MemberReference targetOrigin; // May be NullReference.
-}
-
-type DirectPropertySet extends Expression {
-  Byte tag = 16; // Note: tag is out of order
-  FileOffset fileOffset;
-  Expression receiver;
-  MemberReference target;
-  MemberReference targetOrigin; // May be NullReference.
-  Expression value;
-}
-
 type StaticGet extends Expression {
   Byte tag = 26;
   FileOffset fileOffset;
@@ -676,15 +659,6 @@
   MemberReference interfaceTargetOrigin; // May be NullReference.
 }
 
-type DirectMethodInvocation extends Expression {
-  Byte tag = 17; // Note: tag is out of order
-  FileOffset fileOffset;
-  Expression receiver;
-  MemberReference target;
-  MemberReference targetOrigin; // May be NullReference.
-  Arguments arguments;
-}
-
 type StaticInvocation extends Expression {
   Byte tag = 30;
   FileOffset fileOffset;
diff --git a/pkg/kernel/lib/ast.dart b/pkg/kernel/lib/ast.dart
index a82fc45..e9b6940 100644
--- a/pkg/kernel/lib/ast.dart
+++ b/pkg/kernel/lib/ast.dart
@@ -3362,203 +3362,6 @@
   }
 }
 
-/// Directly read a field, call a getter, or tear off a method.
-class DirectPropertyGet extends Expression {
-  Expression receiver;
-  Reference targetReference;
-
-  DirectPropertyGet(Expression receiver, Member target)
-      : this.byReference(receiver, getMemberReference(target));
-
-  DirectPropertyGet.byReference(this.receiver, this.targetReference) {
-    receiver?.parent = this;
-  }
-
-  Member get target => targetReference?.asMember;
-
-  void set target(Member target) {
-    targetReference = getMemberReference(target);
-  }
-
-  Name get name => target?.name;
-
-  visitChildren(Visitor v) {
-    receiver?.accept(v);
-    target?.acceptReference(v);
-  }
-
-  transformChildren(Transformer v) {
-    if (receiver != null) {
-      receiver = receiver.accept<TreeNode>(v);
-      receiver?.parent = this;
-    }
-  }
-
-  R accept<R>(ExpressionVisitor<R> v) => v.visitDirectPropertyGet(this);
-  R accept1<R, A>(ExpressionVisitor1<R, A> v, A arg) =>
-      v.visitDirectPropertyGet(this, arg);
-
-  DartType getStaticType(StaticTypeContext context) {
-    Class superclass = target.enclosingClass;
-    var receiverType = receiver.getStaticTypeAsInstanceOf(superclass, context);
-    return Substitution.fromInterfaceType(receiverType)
-        .substituteType(target.getterType);
-  }
-
-  @override
-  String toString() {
-    return "DirectPropertyGet(${toStringInternal()})";
-  }
-
-  @override
-  void toTextInternal(AstPrinter printer) {
-    printer.writeExpression(receiver,
-        minimumPrecedence: astToText.Precedence.PRIMARY);
-    printer.write('.');
-    printer.writeInterfaceMemberName(targetReference, name);
-  }
-}
-
-/// Directly assign a field, or call a setter.
-///
-/// Evaluates to the value of [value].
-class DirectPropertySet extends Expression {
-  Expression receiver;
-  Reference targetReference;
-  Expression value;
-
-  DirectPropertySet(Expression receiver, Member target, Expression value)
-      : this.byReference(receiver, getMemberReference(target), value);
-
-  DirectPropertySet.byReference(
-      this.receiver, this.targetReference, this.value) {
-    receiver?.parent = this;
-    value?.parent = this;
-  }
-
-  Member get target => targetReference?.asMember;
-
-  void set target(Member target) {
-    targetReference = getMemberReference(target);
-  }
-
-  Name get name => target?.name;
-
-  visitChildren(Visitor v) {
-    receiver?.accept(v);
-    target?.acceptReference(v);
-    value?.accept(v);
-  }
-
-  transformChildren(Transformer v) {
-    if (receiver != null) {
-      receiver = receiver.accept<TreeNode>(v);
-      receiver?.parent = this;
-    }
-    if (value != null) {
-      value = value.accept<TreeNode>(v);
-      value?.parent = this;
-    }
-  }
-
-  R accept<R>(ExpressionVisitor<R> v) => v.visitDirectPropertySet(this);
-  R accept1<R, A>(ExpressionVisitor1<R, A> v, A arg) =>
-      v.visitDirectPropertySet(this, arg);
-
-  DartType getStaticType(StaticTypeContext context) =>
-      value.getStaticType(context);
-
-  @override
-  String toString() {
-    return "DirectPropertySet(${toStringInternal()})";
-  }
-
-  @override
-  void toTextInternal(AstPrinter printer) {
-    printer.writeExpression(receiver,
-        minimumPrecedence: astToText.Precedence.PRIMARY);
-    printer.write('.');
-    printer.writeInterfaceMemberName(targetReference, name);
-    printer.write(' = ');
-    printer.writeExpression(value);
-  }
-}
-
-/// Directly call an instance method, bypassing ordinary dispatch.
-class DirectMethodInvocation extends InvocationExpression {
-  Expression receiver;
-  Reference targetReference;
-  Arguments arguments;
-
-  DirectMethodInvocation(
-      Expression receiver, Procedure target, Arguments arguments)
-      : this.byReference(receiver, getMemberReference(target), arguments);
-
-  DirectMethodInvocation.byReference(
-      this.receiver, this.targetReference, this.arguments) {
-    receiver?.parent = this;
-    arguments?.parent = this;
-  }
-
-  Procedure get target => targetReference?.asProcedure;
-
-  void set target(Procedure target) {
-    targetReference = getMemberReference(target);
-  }
-
-  Name get name => target?.name;
-
-  visitChildren(Visitor v) {
-    receiver?.accept(v);
-    target?.acceptReference(v);
-    arguments?.accept(v);
-  }
-
-  transformChildren(Transformer v) {
-    if (receiver != null) {
-      receiver = receiver.accept<TreeNode>(v);
-      receiver?.parent = this;
-    }
-    if (arguments != null) {
-      arguments = arguments.accept<TreeNode>(v);
-      arguments?.parent = this;
-    }
-  }
-
-  R accept<R>(ExpressionVisitor<R> v) => v.visitDirectMethodInvocation(this);
-  R accept1<R, A>(ExpressionVisitor1<R, A> v, A arg) =>
-      v.visitDirectMethodInvocation(this, arg);
-
-  DartType getStaticType(StaticTypeContext context) {
-    if (context.typeEnvironment.isSpecialCasedBinaryOperator(target)) {
-      return context.typeEnvironment.getTypeOfSpecialCasedBinaryOperator(
-          receiver.getStaticType(context),
-          arguments.positional[0].getStaticType(context));
-    }
-    Class superclass = target.enclosingClass;
-    var receiverType = receiver.getStaticTypeAsInstanceOf(superclass, context);
-    var returnType = Substitution.fromInterfaceType(receiverType)
-        .substituteType(target.function.returnType);
-    return Substitution.fromPairs(
-            target.function.typeParameters, arguments.types)
-        .substituteType(returnType);
-  }
-
-  @override
-  String toString() {
-    return "DirectMethodInvocation(${toStringInternal()})";
-  }
-
-  @override
-  void toTextInternal(AstPrinter printer) {
-    printer.writeExpression(receiver,
-        minimumPrecedence: astToText.Precedence.PRIMARY);
-    printer.write('.');
-    printer.writeInterfaceMemberName(targetReference, name);
-    printer.writeArguments(arguments);
-  }
-}
-
 /// Expression of form `super.field`.
 ///
 /// This may invoke a getter, read a field, or tear off a method.
diff --git a/pkg/kernel/lib/binary/ast_from_binary.dart b/pkg/kernel/lib/binary/ast_from_binary.dart
index 34b3512..01e245c 100644
--- a/pkg/kernel/lib/binary/ast_from_binary.dart
+++ b/pkg/kernel/lib/binary/ast_from_binary.dart
@@ -1720,16 +1720,6 @@
         return new SuperPropertySet.byReference(readName(), readExpression(),
             readInstanceMemberReference(allowNull: true))
           ..fileOffset = offset;
-      case Tag.DirectPropertyGet:
-        int offset = readOffset();
-        return new DirectPropertyGet.byReference(
-            readExpression(), readInstanceMemberReference())
-          ..fileOffset = offset;
-      case Tag.DirectPropertySet:
-        int offset = readOffset();
-        return new DirectPropertySet.byReference(
-            readExpression(), readInstanceMemberReference(), readExpression())
-          ..fileOffset = offset;
       case Tag.StaticGet:
         int offset = readOffset();
         return new StaticGet.byReference(readMemberReference())
@@ -1750,11 +1740,6 @@
         return new SuperMethodInvocation.byReference(readName(),
             readArguments(), readInstanceMemberReference(allowNull: true))
           ..fileOffset = offset;
-      case Tag.DirectMethodInvocation:
-        int offset = readOffset();
-        return new DirectMethodInvocation.byReference(
-            readExpression(), readInstanceMemberReference(), readArguments())
-          ..fileOffset = offset;
       case Tag.StaticInvocation:
         int offset = readOffset();
         return new StaticInvocation.byReference(
diff --git a/pkg/kernel/lib/binary/ast_to_binary.dart b/pkg/kernel/lib/binary/ast_to_binary.dart
index 9489134..2dbc82f 100644
--- a/pkg/kernel/lib/binary/ast_to_binary.dart
+++ b/pkg/kernel/lib/binary/ast_to_binary.dart
@@ -1445,23 +1445,6 @@
   }
 
   @override
-  void visitDirectPropertyGet(DirectPropertyGet node) {
-    writeByte(Tag.DirectPropertyGet);
-    writeOffset(node.fileOffset);
-    writeNode(node.receiver);
-    writeNonNullInstanceMemberReference(node.targetReference);
-  }
-
-  @override
-  void visitDirectPropertySet(DirectPropertySet node) {
-    writeByte(Tag.DirectPropertySet);
-    writeOffset(node.fileOffset);
-    writeNode(node.receiver);
-    writeNonNullInstanceMemberReference(node.targetReference);
-    writeNode(node.value);
-  }
-
-  @override
   void visitStaticGet(StaticGet node) {
     writeByte(Tag.StaticGet);
     writeOffset(node.fileOffset);
@@ -1496,15 +1479,6 @@
   }
 
   @override
-  void visitDirectMethodInvocation(DirectMethodInvocation node) {
-    writeByte(Tag.DirectMethodInvocation);
-    writeOffset(node.fileOffset);
-    writeNode(node.receiver);
-    writeNonNullInstanceMemberReference(node.targetReference);
-    writeArgumentsNode(node.arguments);
-  }
-
-  @override
   void visitStaticInvocation(StaticInvocation node) {
     writeByte(node.isConst ? Tag.ConstStaticInvocation : Tag.StaticInvocation);
     writeOffset(node.fileOffset);
diff --git a/pkg/kernel/lib/binary/tag.dart b/pkg/kernel/lib/binary/tag.dart
index a70bec0..2bbc968 100644
--- a/pkg/kernel/lib/binary/tag.dart
+++ b/pkg/kernel/lib/binary/tag.dart
@@ -29,9 +29,6 @@
   // Expressions
   static const int CheckLibraryIsLoaded = 13;
   static const int LoadLibrary = 14;
-  static const int DirectPropertyGet = 15;
-  static const int DirectPropertySet = 16;
-  static const int DirectMethodInvocation = 17;
   static const int ConstStaticInvocation = 18;
   static const int InvalidExpression = 19;
   static const int VariableGet = 20;
@@ -149,7 +146,7 @@
   /// Internal version of kernel binary format.
   /// Bump it when making incompatible changes in kernel binaries.
   /// Keep in sync with runtime/vm/kernel_binary.h, pkg/kernel/binary.md.
-  static const int BinaryFormatVersion = 45;
+  static const int BinaryFormatVersion = 46;
 }
 
 abstract class ConstantTag {
diff --git a/pkg/kernel/lib/clone.dart b/pkg/kernel/lib/clone.dart
index e326843..507d6a1 100644
--- a/pkg/kernel/lib/clone.dart
+++ b/pkg/kernel/lib/clone.dart
@@ -138,16 +138,6 @@
         clone(node.value), node.interfaceTargetReference);
   }
 
-  visitDirectPropertyGet(DirectPropertyGet node) {
-    return new DirectPropertyGet.byReference(
-        clone(node.receiver), node.targetReference);
-  }
-
-  visitDirectPropertySet(DirectPropertySet node) {
-    return new DirectPropertySet.byReference(
-        clone(node.receiver), node.targetReference, clone(node.value));
-  }
-
   visitSuperPropertyGet(SuperPropertyGet node) {
     return new SuperPropertyGet.byReference(
         node.name, node.interfaceTargetReference);
@@ -171,11 +161,6 @@
         clone(node.arguments), node.interfaceTargetReference);
   }
 
-  visitDirectMethodInvocation(DirectMethodInvocation node) {
-    return new DirectMethodInvocation.byReference(
-        clone(node.receiver), node.targetReference, clone(node.arguments));
-  }
-
   visitSuperMethodInvocation(SuperMethodInvocation node) {
     return new SuperMethodInvocation.byReference(
         node.name, clone(node.arguments), node.interfaceTargetReference);
diff --git a/pkg/kernel/lib/text/ast_to_text.dart b/pkg/kernel/lib/text/ast_to_text.dart
index da9af2b..3e253af 100644
--- a/pkg/kernel/lib/text/ast_to_text.dart
+++ b/pkg/kernel/lib/text/ast_to_text.dart
@@ -1345,14 +1345,6 @@
     writeNode(node.arguments);
   }
 
-  visitDirectMethodInvocation(DirectMethodInvocation node) {
-    writeExpression(node.receiver, Precedence.PRIMARY);
-    writeSymbol('.{=');
-    writeMemberReferenceFromReference(node.targetReference);
-    writeSymbol('}');
-    writeNode(node.arguments);
-  }
-
   visitSuperMethodInvocation(SuperMethodInvocation node) {
     writeWord('super');
     writeSymbol('.');
@@ -1772,22 +1764,6 @@
     writeExpression(node.value);
   }
 
-  visitDirectPropertyGet(DirectPropertyGet node) {
-    writeExpression(node.receiver, Precedence.PRIMARY);
-    writeSymbol('.{=');
-    writeMemberReferenceFromReference(node.targetReference);
-    writeSymbol('}');
-  }
-
-  visitDirectPropertySet(DirectPropertySet node) {
-    writeExpression(node.receiver, Precedence.PRIMARY);
-    writeSymbol('.{=');
-    writeMemberReferenceFromReference(node.targetReference);
-    writeSymbol('}');
-    writeSpaced('=');
-    writeExpression(node.value);
-  }
-
   visitStaticGet(StaticGet node) {
     writeMemberReferenceFromReference(node.targetReference);
   }
@@ -2479,7 +2455,6 @@
   int visitInvalidExpression(InvalidExpression node) => CALLEE;
   int visitMethodInvocation(MethodInvocation node) => CALLEE;
   int visitSuperMethodInvocation(SuperMethodInvocation node) => CALLEE;
-  int visitDirectMethodInvocation(DirectMethodInvocation node) => CALLEE;
   int visitStaticInvocation(StaticInvocation node) => CALLEE;
   int visitConstructorInvocation(ConstructorInvocation node) => CALLEE;
   int visitNot(Not node) => PREFIX;
@@ -2511,8 +2486,6 @@
   int visitPropertySet(PropertySet node) => EXPRESSION;
   int visitSuperPropertyGet(SuperPropertyGet node) => PRIMARY;
   int visitSuperPropertySet(SuperPropertySet node) => EXPRESSION;
-  int visitDirectPropertyGet(DirectPropertyGet node) => PRIMARY;
-  int visitDirectPropertySet(DirectPropertySet node) => EXPRESSION;
   int visitStaticGet(StaticGet node) => PRIMARY;
   int visitStaticSet(StaticSet node) => EXPRESSION;
   int visitLet(Let node) => EXPRESSION;
diff --git a/pkg/kernel/lib/text/text_serializer.dart b/pkg/kernel/lib/text/text_serializer.dart
index 60a3e19..e633d04 100644
--- a/pkg/kernel/lib/text/text_serializer.dart
+++ b/pkg/kernel/lib/text/text_serializer.dart
@@ -83,16 +83,10 @@
   String visitVariableSet(VariableSet _) => "set-var";
   String visitStaticGet(StaticGet _) => "get-static";
   String visitStaticSet(StaticSet _) => "set-static";
-  String visitDirectPropertyGet(DirectPropertyGet _) => "get-direct-prop";
-  String visitDirectPropertySet(DirectPropertySet _) => "set-direct-prop";
   String visitStaticInvocation(StaticInvocation expression) {
     return expression.isConst ? "invoke-const-static" : "invoke-static";
   }
 
-  String visitDirectMethodInvocation(DirectMethodInvocation _) {
-    return "invoke-direct-method";
-  }
-
   String visitConstructorInvocation(ConstructorInvocation expression) {
     return expression.isConst
         ? "invoke-const-constructor"
@@ -564,42 +558,6 @@
   return new StaticSet.byReference(tuple.first.getReference(), tuple.second);
 }
 
-TextSerializer<DirectPropertyGet> directPropertyGetSerializer = new Wrapped(
-    unwrapDirectPropertyGet,
-    wrapDirectPropertyGet,
-    new Tuple2Serializer(
-        expressionSerializer, const CanonicalNameSerializer()));
-
-Tuple2<Expression, CanonicalName> unwrapDirectPropertyGet(
-    DirectPropertyGet expression) {
-  return new Tuple2(
-      expression.receiver, expression.targetReference.canonicalName);
-}
-
-DirectPropertyGet wrapDirectPropertyGet(
-    Tuple2<Expression, CanonicalName> tuple) {
-  return new DirectPropertyGet.byReference(
-      tuple.first, tuple.second.getReference());
-}
-
-TextSerializer<DirectPropertySet> directPropertySetSerializer = new Wrapped(
-    unwrapDirectPropertySet,
-    wrapDirectPropertySet,
-    new Tuple3Serializer(expressionSerializer, const CanonicalNameSerializer(),
-        expressionSerializer));
-
-Tuple3<Expression, CanonicalName, Expression> unwrapDirectPropertySet(
-    DirectPropertySet expression) {
-  return new Tuple3(expression.receiver,
-      expression.targetReference.canonicalName, expression.value);
-}
-
-DirectPropertySet wrapDirectPropertySet(
-    Tuple3<Expression, CanonicalName, Expression> tuple) {
-  return new DirectPropertySet.byReference(
-      tuple.first, tuple.second.getReference(), tuple.third);
-}
-
 TextSerializer<StaticInvocation> staticInvocationSerializer = new Wrapped(
     unwrapStaticInvocation,
     wrapStaticInvocation,
@@ -629,25 +587,6 @@
       isConst: true);
 }
 
-TextSerializer<DirectMethodInvocation> directMethodInvocationSerializer =
-    new Wrapped(
-        unwrapDirectMethodInvocation,
-        wrapDirectMethodInvocation,
-        new Tuple3Serializer(expressionSerializer,
-            const CanonicalNameSerializer(), argumentsSerializer));
-
-Tuple3<Expression, CanonicalName, Arguments> unwrapDirectMethodInvocation(
-    DirectMethodInvocation expression) {
-  return new Tuple3(expression.receiver,
-      expression.targetReference.canonicalName, expression.arguments);
-}
-
-DirectMethodInvocation wrapDirectMethodInvocation(
-    Tuple3<Expression, CanonicalName, Arguments> tuple) {
-  return new DirectMethodInvocation.byReference(
-      tuple.first, tuple.second.getReference(), tuple.third);
-}
-
 TextSerializer<ConstructorInvocation> constructorInvocationSerializer =
     new Wrapped(
         unwrapConstructorInvocation,
@@ -2098,11 +2037,8 @@
     "set-var": variableSetSerializer,
     "get-static": staticGetSerializer,
     "set-static": staticSetSerializer,
-    "get-direct-prop": directPropertyGetSerializer,
-    "set-direct-prop": directPropertySetSerializer,
     "invoke-static": staticInvocationSerializer,
     "invoke-const-static": constStaticInvocationSerializer,
-    "invoke-direct-method": directMethodInvocationSerializer,
     "invoke-constructor": constructorInvocationSerializer,
     "invoke-const-constructor": constConstructorInvocationSerializer,
     "fun": functionExpressionSerializer,
diff --git a/pkg/kernel/lib/transformations/async.dart b/pkg/kernel/lib/transformations/async.dart
index 5c32065..37c9ea9 100644
--- a/pkg/kernel/lib/transformations/async.dart
+++ b/pkg/kernel/lib/transformations/async.dart
@@ -213,7 +213,6 @@
 
   TreeNode visitVariableSet(VariableSet expr) => unary(expr);
   TreeNode visitPropertyGet(PropertyGet expr) => unary(expr);
-  TreeNode visitDirectPropertyGet(DirectPropertyGet expr) => unary(expr);
   TreeNode visitSuperPropertySet(SuperPropertySet expr) => unary(expr);
   TreeNode visitStaticSet(StaticSet expr) => unary(expr);
   TreeNode visitNot(Not expr) => unary(expr);
@@ -228,13 +227,6 @@
     });
   }
 
-  TreeNode visitDirectPropertySet(DirectPropertySet expr) {
-    return transform(expr, () {
-      expr.value = expr.value.accept<TreeNode>(this)..parent = expr;
-      expr.receiver = expr.receiver.accept<TreeNode>(this)..parent = expr;
-    });
-  }
-
   TreeNode visitArguments(Arguments args) {
     for (var named in args.named.reversed) {
       named.value = named.value.accept<TreeNode>(this)..parent = named;
@@ -255,13 +247,6 @@
     });
   }
 
-  TreeNode visitDirectMethodInvocation(DirectMethodInvocation expr) {
-    return transform(expr, () {
-      visitArguments(expr.arguments);
-      expr.receiver = expr.receiver.accept<TreeNode>(this)..parent = expr;
-    });
-  }
-
   TreeNode visitSuperMethodInvocation(SuperMethodInvocation expr) {
     return transform(expr, () {
       visitArguments(expr.arguments);
diff --git a/pkg/kernel/lib/transformations/mixin_full_resolution.dart b/pkg/kernel/lib/transformations/mixin_full_resolution.dart
index 374651e..8af53bf 100644
--- a/pkg/kernel/lib/transformations/mixin_full_resolution.dart
+++ b/pkg/kernel/lib/transformations/mixin_full_resolution.dart
@@ -19,20 +19,14 @@
     CoreTypes coreTypes,
     ClassHierarchy hierarchy,
     List<Library> libraries,
-    ReferenceFromIndex referenceFromIndex,
-    {bool doSuperResolution: true}) {
-  new MixinFullResolution(targetInfo, coreTypes, hierarchy,
-          doSuperResolution: doSuperResolution)
+    ReferenceFromIndex referenceFromIndex) {
+  new MixinFullResolution(targetInfo, coreTypes, hierarchy)
       .transform(libraries, referenceFromIndex);
 }
 
 /// Replaces all mixin applications with regular classes, cloning all fields
 /// and procedures from the mixed-in class, cloning all constructors from the
 /// base class.
-///
-/// When [doSuperResolution] constructor parameter is [true], super calls
-/// (as well as super initializer invocations) are also resolved to their
-/// targets in this pass.
 class MixinFullResolution {
   final Target targetInfo;
   final CoreTypes coreTypes;
@@ -44,13 +38,7 @@
   /// valid anymore.
   ClassHierarchy hierarchy;
 
-  // This enables `super` resolution transformation, which is not compatible
-  // with Dart VM's requirements around incremental compilation and has been
-  // moved to Dart VM itself.
-  final bool doSuperResolution;
-
-  MixinFullResolution(this.targetInfo, this.coreTypes, this.hierarchy,
-      {this.doSuperResolution: true});
+  MixinFullResolution(this.targetInfo, this.coreTypes, this.hierarchy);
 
   /// Transform the given new [libraries].  It is expected that all other
   /// libraries have already been transformed.
@@ -73,22 +61,6 @@
     // We might need to update the class hierarchy.
     hierarchy =
         hierarchy.applyMemberChanges(transformedClasses, findDescendants: true);
-
-    if (!doSuperResolution) {
-      return;
-    }
-    // Resolve all super call expressions and super initializers.
-    for (var library in libraries) {
-      for (var class_ in library.classes) {
-        for (var procedure in class_.procedures) {
-          if (procedure.containsSuperCalls) {
-            new SuperCallResolutionTransformer(
-                    hierarchy, coreTypes, class_.superclass, targetInfo)
-                .visit(procedure);
-          }
-        }
-      }
-    }
   }
 
   transformClass(
@@ -252,162 +224,3 @@
     class_.isEliminatedMixin = true;
   }
 }
-
-class SuperCallResolutionTransformer extends Transformer {
-  final ClassHierarchy hierarchy;
-  final CoreTypes coreTypes;
-  final Class lookupClass;
-  final Target targetInfo;
-
-  SuperCallResolutionTransformer(
-      this.hierarchy, this.coreTypes, this.lookupClass, this.targetInfo);
-
-  TreeNode visit(TreeNode node) => node.accept(this);
-
-  visitSuperPropertyGet(SuperPropertyGet node) {
-    Member target = hierarchy.getDispatchTarget(lookupClass, node.name);
-    if (target != null) {
-      return new DirectPropertyGet(new ThisExpression(), target)
-        ..fileOffset = node.fileOffset;
-    } else {
-      return _callNoSuchMethod(node.name.text, new Arguments.empty(), node,
-          isGetter: true, isSuper: true);
-    }
-  }
-
-  visitSuperPropertySet(SuperPropertySet node) {
-    Member target =
-        hierarchy.getDispatchTarget(lookupClass, node.name, setter: true);
-    if (target != null) {
-      return new DirectPropertySet(
-          new ThisExpression(), target, visit(node.value))
-        ..fileOffset = node.fileOffset;
-    } else {
-      // Call has to return right-hand-side.
-      VariableDeclaration rightHandSide =
-          new VariableDeclaration.forValue(visit(node.value));
-      Expression result = _callNoSuchMethod(
-          node.name.text, new Arguments([new VariableGet(rightHandSide)]), node,
-          isSetter: true, isSuper: true);
-      VariableDeclaration call = new VariableDeclaration.forValue(result);
-      return new Let(
-          rightHandSide, new Let(call, new VariableGet(rightHandSide)));
-    }
-  }
-
-  visitSuperMethodInvocation(SuperMethodInvocation node) {
-    Member target = hierarchy.getDispatchTarget(lookupClass, node.name);
-    Arguments visitedArguments = visit(node.arguments);
-    if (target is Procedure &&
-        !target.isAccessor &&
-        _callIsLegal(target.function, visitedArguments)) {
-      return new DirectMethodInvocation(
-          new ThisExpression(), target, visitedArguments)
-        ..fileOffset = node.fileOffset;
-    } else if (target == null || (target is Procedure && !target.isAccessor)) {
-      // Target not found at all, or call was illegal.
-      return _callNoSuchMethod(node.name.text, visitedArguments, node,
-          isSuper: true);
-    } else {
-      return new MethodInvocation(
-          new DirectPropertyGet(new ThisExpression(), target),
-          new Name('call'),
-          visitedArguments)
-        ..fileOffset = node.fileOffset;
-    }
-  }
-
-  /// Create a call to no such method.
-  Expression _callNoSuchMethod(
-      String methodName, Arguments methodArguments, TreeNode node,
-      {isSuper: false, isGetter: false, isSetter: false}) {
-    Member noSuchMethod =
-        hierarchy.getDispatchTarget(lookupClass, new Name("noSuchMethod"));
-    String methodNameUsed = (isGetter)
-        ? "get:$methodName"
-        : (isSetter)
-            ? "set:$methodName="
-            : methodName;
-    if (noSuchMethod != null &&
-        noSuchMethod.function.positionalParameters.length == 1 &&
-        noSuchMethod.function.namedParameters.isEmpty) {
-      // We have a correct noSuchMethod method.
-      ConstructorInvocation invocation = _createInvocation(
-          methodNameUsed, methodArguments, isSuper, new ThisExpression());
-      return new DirectMethodInvocation(
-          new ThisExpression(), noSuchMethod, new Arguments([invocation]))
-        ..fileOffset = node.fileOffset;
-    } else {
-      // Incorrect noSuchMethod method: Call noSuchMethod on Object
-      // with Invocation of noSuchMethod as the method that did not exist.
-      noSuchMethod = hierarchy.getDispatchTarget(
-          coreTypes.objectClass, new Name("noSuchMethod"));
-      ConstructorInvocation invocation = _createInvocation(
-          methodNameUsed, methodArguments, isSuper, new ThisExpression());
-      ConstructorInvocation invocationPrime = _createInvocation("noSuchMethod",
-          new Arguments([invocation]), false, new ThisExpression());
-      return new DirectMethodInvocation(
-          new ThisExpression(), noSuchMethod, new Arguments([invocationPrime]))
-        ..fileOffset = node.fileOffset;
-    }
-  }
-
-  /// Creates an "new _InvocationMirror(...)" invocation.
-  ConstructorInvocation _createInvocation(String methodName,
-      Arguments callArguments, bool isSuperInvocation, Expression receiver) {
-    return targetInfo.instantiateInvocation(
-        coreTypes, receiver, methodName, callArguments, -1, isSuperInvocation);
-  }
-
-  /// Check that a call to the targetFunction is legal given the arguments.
-  ///
-  /// I.e. check that the number of positional parameters and the names of the
-  /// given named parameters represents a valid call to the function.
-  bool _callIsLegal(FunctionNode targetFunction, Arguments arguments) {
-    if ((targetFunction.requiredParameterCount > arguments.positional.length) ||
-        (targetFunction.positionalParameters.length <
-            arguments.positional.length)) {
-      // Given too few or too many positional arguments
-      return false;
-    }
-
-    // Do we give named that we don't take?
-    Set<String> givenNamed = arguments.named.map((v) => v.name).toSet();
-    Set<String> takenNamed =
-        targetFunction.namedParameters.map((v) => v.name).toSet();
-    givenNamed.removeAll(takenNamed);
-    return givenNamed.isEmpty;
-  }
-}
-
-class SuperInitializerResolutionTransformer extends InitializerVisitor {
-  final Class lookupClass;
-
-  SuperInitializerResolutionTransformer(this.lookupClass);
-
-  transformInitializers(List<Initializer> initializers) {
-    for (var initializer in initializers) {
-      initializer.accept(this);
-    }
-  }
-
-  visitSuperInitializer(SuperInitializer node) {
-    Constructor constructor = node.target;
-    if (constructor.enclosingClass != lookupClass) {
-      // If [node] refers to a constructor target which is not directly the
-      // superclass but some indirect base class then this is because classes in
-      // the middle are mixin applications.  These mixin applications will have
-      // received a forwarding constructor which we are required to use instead.
-      for (var replacement in lookupClass.constructors) {
-        if (constructor.name == replacement.name) {
-          node.target = replacement;
-          return null;
-        }
-      }
-
-      throw new Exception(
-          'Could not find a generative constructor named "${constructor.name}" '
-          'in lookup class "${lookupClass.name}"!');
-    }
-  }
-}
diff --git a/pkg/kernel/lib/type_checker.dart b/pkg/kernel/lib/type_checker.dart
index d3869e2..ff94bf8 100644
--- a/pkg/kernel/lib/type_checker.dart
+++ b/pkg/kernel/lib/type_checker.dart
@@ -456,27 +456,6 @@
   }
 
   @override
-  DartType visitDirectMethodInvocation(DirectMethodInvocation node) {
-    return handleCall(node.arguments, node.target.getterType,
-        receiver: getReceiverType(node, node.receiver, node.target));
-  }
-
-  @override
-  DartType visitDirectPropertyGet(DirectPropertyGet node) {
-    var receiver = getReceiverType(node, node.receiver, node.target);
-    return receiver.substituteType(node.target.getterType);
-  }
-
-  @override
-  DartType visitDirectPropertySet(DirectPropertySet node) {
-    var receiver = getReceiverType(node, node.receiver, node.target);
-    var value = visitExpression(node.value);
-    checkAssignable(node, value,
-        receiver.substituteType(node.target.setterType, contravariant: true));
-    return value;
-  }
-
-  @override
   DartType visitDoubleLiteral(DoubleLiteral node) {
     return environment.coreTypes.doubleLegacyRawType;
   }
diff --git a/pkg/kernel/lib/verifier.dart b/pkg/kernel/lib/verifier.dart
index 1e02a78..e40ab13f 100644
--- a/pkg/kernel/lib/verifier.dart
+++ b/pkg/kernel/lib/verifier.dart
@@ -574,45 +574,6 @@
   }
 
   @override
-  visitDirectPropertyGet(DirectPropertyGet node) {
-    visitChildren(node);
-    if (node.target == null) {
-      problem(node, "DirectPropertyGet without target.");
-    }
-    if (!node.target.hasGetter) {
-      problem(node, "DirectPropertyGet of '${node.target}' without getter.");
-    }
-    if (!node.target.isInstanceMember) {
-      problem(
-          node,
-          "DirectPropertyGet of '${node.target}' that isn't an"
-          " instance member.");
-    }
-  }
-
-  @override
-  visitDirectPropertySet(DirectPropertySet node) {
-    visitChildren(node);
-    if (node.target == null) {
-      problem(node, "DirectPropertySet without target.");
-    }
-    if (!node.target.hasSetter) {
-      problem(node, "DirectPropertySet of '${node.target}' without setter.");
-    }
-    if (!node.target.isInstanceMember) {
-      problem(node, "DirectPropertySet of '${node.target}' that is static.");
-    }
-  }
-
-  @override
-  visitDirectMethodInvocation(DirectMethodInvocation node) {
-    checkTargetedInvocation(node.target, node);
-    if (node.receiver == null) {
-      problem(node, "DirectMethodInvocation without receiver.");
-    }
-  }
-
-  @override
   visitConstructorInvocation(ConstructorInvocation node) {
     checkTargetedInvocation(node.target, node);
     if (node.target.enclosingClass.isAbstract) {
diff --git a/pkg/kernel/lib/visitor.dart b/pkg/kernel/lib/visitor.dart
index fadb45f..5cbe74c 100644
--- a/pkg/kernel/lib/visitor.dart
+++ b/pkg/kernel/lib/visitor.dart
@@ -19,15 +19,11 @@
   R visitVariableSet(VariableSet node) => defaultExpression(node);
   R visitPropertyGet(PropertyGet node) => defaultExpression(node);
   R visitPropertySet(PropertySet node) => defaultExpression(node);
-  R visitDirectPropertyGet(DirectPropertyGet node) => defaultExpression(node);
-  R visitDirectPropertySet(DirectPropertySet node) => defaultExpression(node);
   R visitSuperPropertyGet(SuperPropertyGet node) => defaultExpression(node);
   R visitSuperPropertySet(SuperPropertySet node) => defaultExpression(node);
   R visitStaticGet(StaticGet node) => defaultExpression(node);
   R visitStaticSet(StaticSet node) => defaultExpression(node);
   R visitMethodInvocation(MethodInvocation node) => defaultExpression(node);
-  R visitDirectMethodInvocation(DirectMethodInvocation node) =>
-      defaultExpression(node);
   R visitSuperMethodInvocation(SuperMethodInvocation node) =>
       defaultExpression(node);
   R visitStaticInvocation(StaticInvocation node) => defaultExpression(node);
@@ -148,15 +144,11 @@
   R visitVariableSet(VariableSet node) => defaultExpression(node);
   R visitPropertyGet(PropertyGet node) => defaultExpression(node);
   R visitPropertySet(PropertySet node) => defaultExpression(node);
-  R visitDirectPropertyGet(DirectPropertyGet node) => defaultExpression(node);
-  R visitDirectPropertySet(DirectPropertySet node) => defaultExpression(node);
   R visitSuperPropertyGet(SuperPropertyGet node) => defaultExpression(node);
   R visitSuperPropertySet(SuperPropertySet node) => defaultExpression(node);
   R visitStaticGet(StaticGet node) => defaultExpression(node);
   R visitStaticSet(StaticSet node) => defaultExpression(node);
   R visitMethodInvocation(MethodInvocation node) => defaultExpression(node);
-  R visitDirectMethodInvocation(DirectMethodInvocation node) =>
-      defaultExpression(node);
   R visitSuperMethodInvocation(SuperMethodInvocation node) =>
       defaultExpression(node);
   R visitStaticInvocation(StaticInvocation node) => defaultExpression(node);
@@ -667,10 +659,6 @@
   R visitVariableSet(VariableSet node, T arg) => defaultExpression(node, arg);
   R visitPropertyGet(PropertyGet node, T arg) => defaultExpression(node, arg);
   R visitPropertySet(PropertySet node, T arg) => defaultExpression(node, arg);
-  R visitDirectPropertyGet(DirectPropertyGet node, T arg) =>
-      defaultExpression(node, arg);
-  R visitDirectPropertySet(DirectPropertySet node, T arg) =>
-      defaultExpression(node, arg);
   R visitSuperPropertyGet(SuperPropertyGet node, T arg) =>
       defaultExpression(node, arg);
   R visitSuperPropertySet(SuperPropertySet node, T arg) =>
@@ -679,8 +667,6 @@
   R visitStaticSet(StaticSet node, T arg) => defaultExpression(node, arg);
   R visitMethodInvocation(MethodInvocation node, T arg) =>
       defaultExpression(node, arg);
-  R visitDirectMethodInvocation(DirectMethodInvocation node, T arg) =>
-      defaultExpression(node, arg);
   R visitSuperMethodInvocation(SuperMethodInvocation node, T arg) =>
       defaultExpression(node, arg);
   R visitStaticInvocation(StaticInvocation node, T arg) =>
diff --git a/pkg/kernel/test/text_serializer_from_kernel_nodes_test.dart b/pkg/kernel/test/text_serializer_from_kernel_nodes_test.dart
index bc84c87..7a55d99 100644
--- a/pkg/kernel/test/text_serializer_from_kernel_nodes_test.dart
+++ b/pkg/kernel/test/text_serializer_from_kernel_nodes_test.dart
@@ -220,11 +220,10 @@
           new VariableDeclaration('x', type: const DynamicType());
       return new TestCase<Statement>(
           name: '/* suppose A {dynamic field;} A x; */ x.{A::field};',
-          node: new ExpressionStatement(new DirectPropertyGet.byReference(
-              new VariableGet(x), field.reference)),
+          node: new ExpressionStatement(new PropertyGet.byReference(
+              new VariableGet(x), field.name, field.reference)),
           expectation: ''
-              '(expr (get-direct-prop (get-var "x^0" _)'
-              ' "package:foo/bar.dart::A::@fields::field"))',
+              '(expr (get-prop (get-var "x^0" _) (public "field")))',
           makeSerializationState: () =>
               new SerializationState(new SerializationEnvironment(null)
                 ..addBinder(x, nameClue: 'x')
@@ -249,11 +248,13 @@
           new VariableDeclaration('x', type: const DynamicType());
       return new TestCase<Statement>(
           name: '/* suppose A {dynamic field;} A x; */ x.{A::field} = 42;',
-          node: new ExpressionStatement(new DirectPropertySet.byReference(
-              new VariableGet(x), field.reference, new IntLiteral(42))),
+          node: new ExpressionStatement(PropertySet.byReference(
+              new VariableGet(x),
+              field.name,
+              new IntLiteral(42),
+              field.reference)),
           expectation: ''
-              '(expr (set-direct-prop (get-var "x^0" _)'
-              ' "package:foo/bar.dart::A::@fields::field" (int 42)))',
+              '(expr (set-prop (get-var "x^0" _) (public "field") (int 42)))',
           makeSerializationState: () =>
               new SerializationState(new SerializationEnvironment(null)
                 ..addBinder(x, nameClue: 'x')
@@ -280,11 +281,13 @@
           new VariableDeclaration('x', type: const DynamicType());
       return new TestCase<Statement>(
           name: '/* suppose A {foo() {...}} A x; */ x.{A::foo}();',
-          node: new ExpressionStatement(new DirectMethodInvocation.byReference(
-              new VariableGet(x), method.reference, new Arguments([]))),
+          node: new ExpressionStatement(new MethodInvocation.byReference(
+              new VariableGet(x),
+              method.name,
+              new Arguments([]),
+              method.reference)),
           expectation: ''
-              '(expr (invoke-direct-method (get-var "x^0" _)'
-              ' "package:foo/bar.dart::A::@methods::foo"'
+              '(expr (invoke-method (get-var "x^0" _) (public "foo")'
               ' () () ()))',
           makeSerializationState: () =>
               new SerializationState(new SerializationEnvironment(null)
@@ -522,7 +525,8 @@
     if (roundTripInput != testCase.expectation) {
       failures.add(''
           "* initial serialization for test '${testCase.name}'"
-          " gave output '${roundTripInput}'");
+          " gave output '${roundTripInput}'"
+          " but expected '${testCase.expectation}'");
     }
 
     TreeNode deserialized =
diff --git a/pkg/kernel/test/verify_test.dart b/pkg/kernel/test/verify_test.dart
index 6bf0a97..0e5a207 100644
--- a/pkg/kernel/test/verify_test.dart
+++ b/pkg/kernel/test/verify_test.dart
@@ -236,7 +236,7 @@
     'Dangling field get',
     (TestHarness test) {
       Field orphan = new Field(new Name('foo'));
-      test.addNode(new DirectPropertyGet(new NullLiteral(), orphan));
+      test.addNode(new PropertyGet(new NullLiteral(), orphan.name, orphan));
       return orphan;
     },
     (Node node) => "Dangling reference to '$node', parent is: 'null'.",
diff --git a/pkg/vm/lib/bytecode/gen_bytecode.dart b/pkg/vm/lib/bytecode/gen_bytecode.dart
index 1846f60..94a02db 100644
--- a/pkg/vm/lib/bytecode/gen_bytecode.dart
+++ b/pkg/vm/lib/bytecode/gen_bytecode.dart
@@ -2928,8 +2928,7 @@
       (expr is VariableSet ||
           expr is PropertySet ||
           expr is StaticSet ||
-          expr is SuperPropertySet ||
-          expr is DirectPropertySet);
+          expr is SuperPropertySet);
 
   void _createArgumentsArray(int temp, List<DartType> typeArgs,
       List<Expression> args, bool storeLastArgumentToTemp) {
@@ -3075,55 +3074,6 @@
   }
 
   @override
-  visitDirectMethodInvocation(DirectMethodInvocation node) {
-    final args = node.arguments;
-    _genArguments(node.receiver, args);
-    final target = node.target;
-    if (target is Procedure && !target.isGetter && !target.isSetter) {
-      _genDirectCallWithArgs(target, args, hasReceiver: true, node: node);
-    } else {
-      throw new UnsupportedOperationError(
-          'Unsupported DirectMethodInvocation with target ${target.runtimeType} $target');
-    }
-  }
-
-  @override
-  visitDirectPropertyGet(DirectPropertyGet node) {
-    _generateNode(node.receiver);
-    final target = node.target;
-    if (target is Field || (target is Procedure && target.isGetter)) {
-      _genDirectCall(target, objectTable.getArgDescHandle(1), 1,
-          isGet: true, node: node);
-    } else {
-      throw new UnsupportedOperationError(
-          'Unsupported DirectPropertyGet with ${target.runtimeType} $target');
-    }
-  }
-
-  @override
-  visitDirectPropertySet(DirectPropertySet node) {
-    final int temp = locals.tempIndexInFrame(node);
-    final bool hasResult = !isExpressionWithoutResult(node);
-
-    _generateNode(node.receiver);
-    _generateNode(node.value);
-
-    if (hasResult) {
-      asm.emitStoreLocal(temp);
-    }
-
-    final target = node.target;
-    assert(target is Field || (target is Procedure && target.isSetter));
-    _genDirectCall(target, objectTable.getArgDescHandle(2), 2,
-        isSet: true, node: node);
-    asm.emitDrop1();
-
-    if (hasResult) {
-      asm.emitPush(temp);
-    }
-  }
-
-  @override
   visitFunctionExpression(FunctionExpression node) {
     _genClosure(node, '<anonymous closure>', node.function);
   }
diff --git a/pkg/vm/lib/bytecode/local_vars.dart b/pkg/vm/lib/bytecode/local_vars.dart
index 5ba6c9c..882fb58 100644
--- a/pkg/vm/lib/bytecode/local_vars.dart
+++ b/pkg/vm/lib/bytecode/local_vars.dart
@@ -1369,11 +1369,6 @@
   }
 
   @override
-  visitDirectPropertySet(DirectPropertySet node) {
-    _visit(node, temps: 1);
-  }
-
-  @override
   visitSuperMethodInvocation(SuperMethodInvocation node) {
     _visit(node, temps: 1);
   }
diff --git a/pkg/vm/lib/target/vm.dart b/pkg/vm/lib/target/vm.dart
index 8c74da4..59a24ab 100644
--- a/pkg/vm/lib/target/vm.dart
+++ b/pkg/vm/lib/target/vm.dart
@@ -153,8 +153,7 @@
       {void logger(String msg),
       ChangedStructureNotifier changedStructureNotifier}) {
     transformMixins.transformLibraries(
-        this, coreTypes, hierarchy, libraries, referenceFromIndex,
-        doSuperResolution: false /* resolution is done in Dart VM */);
+        this, coreTypes, hierarchy, libraries, referenceFromIndex);
     logger?.call("Transformed mixin applications");
 
     transformFfi.ReplacedMembers replacedFields =
diff --git a/pkg/vm/lib/transformations/ffi_definitions.dart b/pkg/vm/lib/transformations/ffi_definitions.dart
index 0027255..13498bc 100644
--- a/pkg/vm/lib/transformations/ffi_definitions.dart
+++ b/pkg/vm/lib/transformations/ffi_definitions.dart
@@ -441,8 +441,9 @@
     Expression argumentExpression = VariableGet(argument)
       ..fileOffset = fileOffset;
     if (isPointer) {
-      argumentExpression = DirectPropertyGet(argumentExpression, addressGetter)
-        ..fileOffset = fileOffset;
+      argumentExpression =
+          PropertyGet(argumentExpression, addressGetter.name, addressGetter)
+            ..fileOffset = fileOffset;
     }
     return ReturnStatement(StaticInvocation(
         storeMethod,
diff --git a/pkg/vm/lib/transformations/no_dynamic_invocations_annotator.dart b/pkg/vm/lib/transformations/no_dynamic_invocations_annotator.dart
index d2b01c3..e838c80 100644
--- a/pkg/vm/lib/transformations/no_dynamic_invocations_annotator.dart
+++ b/pkg/vm/lib/transformations/no_dynamic_invocations_annotator.dart
@@ -190,17 +190,6 @@
   }
 
   @override
-  visitDirectMethodInvocation(DirectMethodInvocation node) {
-    super.visitDirectMethodInvocation(node);
-
-    Selector selector;
-    if (node.receiver is! ThisExpression) {
-      nonThisSelectors
-          .add(selector ??= new Selector.doInvoke(node.target.name));
-    }
-  }
-
-  @override
   visitPropertyGet(PropertyGet node) {
     super.visitPropertyGet(node);
 
@@ -220,20 +209,6 @@
   }
 
   @override
-  visitDirectPropertyGet(DirectPropertyGet node) {
-    super.visitDirectPropertyGet(node);
-
-    if (node.receiver is! ThisExpression) {
-      nonThisSelectors.add(new Selector.doGet(node.target.name));
-    }
-
-    final target = node.target;
-    if (target is Procedure && target.kind == ProcedureKind.Method) {
-      tearOffSelectors.add(new Selector.doInvoke(target.name));
-    }
-  }
-
-  @override
   visitPropertySet(PropertySet node) {
     super.visitPropertySet(node);
 
@@ -246,14 +221,4 @@
       }
     }
   }
-
-  @override
-  visitDirectPropertySet(DirectPropertySet node) {
-    super.visitDirectPropertySet(node);
-
-    Selector selector;
-    if (node.receiver is! ThisExpression) {
-      nonThisSelectors.add(selector ??= new Selector.doSet(node.target.name));
-    }
-  }
 }
diff --git a/pkg/vm/lib/transformations/type_flow/summary_collector.dart b/pkg/vm/lib/transformations/type_flow/summary_collector.dart
index fb0fc33..a9fbc07 100644
--- a/pkg/vm/lib/transformations/type_flow/summary_collector.dart
+++ b/pkg/vm/lib/transformations/type_flow/summary_collector.dart
@@ -1502,53 +1502,6 @@
   }
 
   @override
-  TypeExpr visitDirectMethodInvocation(DirectMethodInvocation node) {
-    final receiver = _visit(node.receiver);
-    final args = _visitArguments(receiver, node.arguments);
-    final target = node.target;
-    assert(target is! Field);
-    assert(!target.isGetter && !target.isSetter);
-    if (receiver is ThisExpression) {
-      _entryPointsListener.recordMemberCalledViaThis(target);
-    } else {
-      // Conservatively record direct invocations with non-this receiver
-      // as being done via interface selectors.
-      _entryPointsListener.recordMemberCalledViaInterfaceSelector(target);
-    }
-    return _makeCall(node, new DirectSelector(target), args);
-  }
-
-  @override
-  TypeExpr visitDirectPropertyGet(DirectPropertyGet node) {
-    final receiver = _visit(node.receiver);
-    final args = new Args<TypeExpr>([receiver]);
-    final target = node.target;
-    // No need to record this invocation as performed via this or via interface
-    // selector as PropertyGet invocations are not tracked at all.
-    return _makeCall(
-        node, new DirectSelector(target, callKind: CallKind.PropertyGet), args);
-  }
-
-  @override
-  TypeExpr visitDirectPropertySet(DirectPropertySet node) {
-    final receiver = _visit(node.receiver);
-    final value = _visit(node.value);
-    final args = new Args<TypeExpr>([receiver, value]);
-    final target = node.target;
-    assert((target is Field) || ((target is Procedure) && target.isSetter));
-    if (receiver is ThisExpression) {
-      _entryPointsListener.recordMemberCalledViaThis(target);
-    } else {
-      // Conservatively record direct invocations with non-this receiver
-      // as being done via interface selectors.
-      _entryPointsListener.recordMemberCalledViaInterfaceSelector(target);
-    }
-    _makeCall(
-        node, new DirectSelector(target, callKind: CallKind.PropertySet), args);
-    return value;
-  }
-
-  @override
   TypeExpr visitFunctionExpression(FunctionExpression node) {
     _handleNestedFunctionNode(node.function);
     // TODO(alexmarkov): support function types.
diff --git a/pkg/vm/lib/transformations/type_flow/transformer.dart b/pkg/vm/lib/transformations/type_flow/transformer.dart
index cdd95b2..cf64db8 100644
--- a/pkg/vm/lib/transformations/type_flow/transformer.dart
+++ b/pkg/vm/lib/transformations/type_flow/transformer.dart
@@ -438,24 +438,6 @@
   }
 
   @override
-  visitDirectMethodInvocation(DirectMethodInvocation node) {
-    _annotateCallSite(node, node.target);
-    super.visitDirectMethodInvocation(node);
-  }
-
-  @override
-  visitDirectPropertyGet(DirectPropertyGet node) {
-    _annotateCallSite(node, node.target);
-    super.visitDirectPropertyGet(node);
-  }
-
-  @override
-  visitDirectPropertySet(DirectPropertySet node) {
-    _annotateCallSite(node, node.target);
-    super.visitDirectPropertySet(node);
-  }
-
-  @override
   visitSuperMethodInvocation(SuperMethodInvocation node) {
     _annotateCallSite(node, node.interfaceTarget);
     super.visitSuperMethodInvocation(node);
@@ -1228,48 +1210,6 @@
   }
 
   @override
-  TreeNode visitDirectMethodInvocation(DirectMethodInvocation node) {
-    node.transformChildren(this);
-    if (_isUnreachable(node)) {
-      return _makeUnreachableCall(
-          _flattenArguments(node.arguments, receiver: node.receiver));
-    } else {
-      assert(shaker.isMemberBodyReachable(node.target),
-          "Target should be reachable: $node");
-      return node;
-    }
-  }
-
-  @override
-  TreeNode visitDirectPropertyGet(DirectPropertyGet node) {
-    node.transformChildren(this);
-    if (_isUnreachable(node)) {
-      return _makeUnreachableCall([node.receiver]);
-    } else {
-      final target = node.target;
-      assert(shaker.isMemberBodyReachable(target),
-          "Target should be reachable: $node");
-      assert(target is! Field || shaker.isFieldGetterReachable(target),
-          "Unexpected target in DirectProperyGet: $node");
-      return node;
-    }
-  }
-
-  @override
-  TreeNode visitDirectPropertySet(DirectPropertySet node) {
-    node.transformChildren(this);
-    if (_isUnreachable(node)) {
-      return _makeUnreachableCall([node.receiver, node.value]);
-    } else {
-      assert(shaker.isMemberBodyReachable(node.target),
-          "Target should be reachable: $node");
-      node.target =
-          fieldMorpher.adjustInstanceCallTarget(node.target, isSetter: true);
-      return node;
-    }
-  }
-
-  @override
   TreeNode visitConstructorInvocation(ConstructorInvocation node) {
     node.transformChildren(this);
     if (_isUnreachable(node)) {
diff --git a/runtime/vm/compiler/frontend/kernel_binary_flowgraph.cc b/runtime/vm/compiler/frontend/kernel_binary_flowgraph.cc
index 71ecb18..148a24a 100644
--- a/runtime/vm/compiler/frontend/kernel_binary_flowgraph.cc
+++ b/runtime/vm/compiler/frontend/kernel_binary_flowgraph.cc
@@ -1284,10 +1284,6 @@
       return BuildPropertyGet(position);
     case kPropertySet:
       return BuildPropertySet(position);
-    case kDirectPropertyGet:
-      return BuildDirectPropertyGet(position);
-    case kDirectPropertySet:
-      return BuildDirectPropertySet(position);
     case kSuperPropertyGet:
       return BuildSuperPropertyGet(position);
     case kSuperPropertySet:
@@ -1300,8 +1296,6 @@
       return BuildMethodInvocation(position);
     case kSuperMethodInvocation:
       return BuildSuperMethodInvocation(position);
-    case kDirectMethodInvocation:
-      return BuildDirectMethodInvocation(position);
     case kStaticInvocation:
       return BuildStaticInvocation(position);
     case kConstructorInvocation:
@@ -2668,92 +2662,6 @@
   return instructions;
 }
 
-Fragment StreamingFlowGraphBuilder::BuildDirectPropertyGet(TokenPosition* p) {
-  const intptr_t offset = ReaderOffset() - 1;     // Include the tag.
-  const TokenPosition position = ReadPosition();  // read position.
-  if (p != NULL) *p = position;
-
-  const InferredTypeMetadata result_type =
-      inferred_type_metadata_helper_.GetInferredType(offset);
-
-  const Tag receiver_tag = PeekTag();         // peek tag for receiver.
-  Fragment instructions = BuildExpression();  // read receiver.
-  const NameIndex kernel_name =
-      ReadInterfaceMemberNameReference();  // read target_reference.
-
-  Function& target = Function::ZoneHandle(Z);
-  if (H.IsProcedure(kernel_name)) {
-    if (H.IsGetter(kernel_name)) {
-      target =
-          H.LookupMethodByMember(kernel_name, H.DartGetterName(kernel_name));
-    } else if (receiver_tag == kThisExpression) {
-      // Undo stack change for the BuildExpression.
-      Pop();
-
-      target =
-          H.LookupMethodByMember(kernel_name, H.DartMethodName(kernel_name));
-      target = target.ImplicitClosureFunction();
-      ASSERT(!target.IsNull());
-
-      // Generate inline code for allocating closure object with context which
-      // captures `this`.
-      return BuildImplicitClosureCreation(target);
-    } else {
-      // Need to create implicit closure (tear-off), receiver != this.
-      // Ensure method extractor exists and call it directly.
-      const Function& target_method = Function::ZoneHandle(
-          Z,
-          H.LookupMethodByMember(kernel_name, H.DartMethodName(kernel_name)));
-      const String& getter_name = H.DartGetterName(kernel_name);
-      target = target_method.GetMethodExtractor(getter_name);
-    }
-  } else {
-    ASSERT(H.IsField(kernel_name));
-    const String& getter_name = H.DartGetterName(kernel_name);
-    target = H.LookupMethodByMember(kernel_name, getter_name);
-    ASSERT(target.IsGetterFunction() || target.IsImplicitGetterFunction());
-  }
-
-  // Static calls are marked as "no-rebind", which is currently safe because
-  // DirectPropertyGet are only used in enums (index in toString) and enums
-  // can't change their structure during hot reload.
-  // If there are other sources of DirectPropertyGet in the future, this code
-  // have to be adjusted.
-  return instructions + StaticCall(position, target, 1, Array::null_array(),
-                                   ICData::kNoRebind, &result_type);
-}
-
-Fragment StreamingFlowGraphBuilder::BuildDirectPropertySet(TokenPosition* p) {
-  const TokenPosition position = ReadPosition();  // read position.
-  if (p != NULL) *p = position;
-
-  Fragment instructions(MakeTemp());
-  LocalVariable* value = MakeTemporary();
-
-  instructions += BuildExpression();  // read receiver.
-
-  const NameIndex target_reference =
-      ReadInterfaceMemberNameReference();  // read target_reference.
-  const String& method_name = H.DartSetterName(target_reference);
-  const Function& target = Function::ZoneHandle(
-      Z, H.LookupMethodByMember(target_reference, method_name));
-  ASSERT(target.IsSetterFunction() || target.IsImplicitSetterFunction());
-
-  instructions += BuildExpression();  // read value.
-  instructions += StoreLocal(TokenPosition::kNoSource, value);
-
-  // Static calls are marked as "no-rebind", which is currently safe because
-  // DirectPropertyGet are only used in enums (index in toString) and enums
-  // can't change their structure during hot reload.
-  // If there are other sources of DirectPropertyGet in the future, this code
-  // have to be adjusted.
-  instructions +=
-      StaticCall(position, target, 2, Array::null_array(), ICData::kNoRebind,
-                 /* result_type = */ NULL);
-
-  return instructions + Drop();
-}
-
 Fragment StreamingFlowGraphBuilder::BuildStaticGet(TokenPosition* p) {
   ASSERT(Error::Handle(Z, H.thread()->sticky_error()).IsNull());
   const intptr_t offset = ReaderOffset() - 1;  // Include the tag.
@@ -3063,72 +2971,6 @@
   return instructions;
 }
 
-Fragment StreamingFlowGraphBuilder::BuildDirectMethodInvocation(
-    TokenPosition* p) {
-  const intptr_t offset = ReaderOffset() - 1;  // Include the tag.
-  TokenPosition position = ReadPosition();     // read offset.
-  if (p != NULL) *p = position;
-
-  const InferredTypeMetadata result_type =
-      inferred_type_metadata_helper_.GetInferredType(offset);
-
-  Tag receiver_tag = PeekTag();  // peek tag for receiver.
-
-  Fragment instructions;
-  intptr_t type_args_len = 0;
-  {
-    AlternativeReadingScope alt(&reader_);
-    SkipExpression();                         // skip receiver
-    ReadInterfaceMemberNameReference();       // skip target reference
-    ReadUInt();                               // read argument count.
-    intptr_t list_length = ReadListLength();  // read types list length.
-    if (list_length > 0) {
-      const TypeArguments& type_arguments =
-          T.BuildTypeArguments(list_length);  // read types.
-      instructions += TranslateInstantiatedTypeArguments(type_arguments);
-    }
-    type_args_len = list_length;
-  }
-
-  instructions += BuildExpression();  // read receiver.
-
-  NameIndex kernel_name =
-      ReadInterfaceMemberNameReference();  // read target_reference.
-  const String& method_name = H.DartProcedureName(kernel_name);
-  const Token::Kind token_kind =
-      MethodTokenRecognizer::RecognizeTokenKind(method_name);
-
-  // Detect comparison with null.
-  if ((token_kind == Token::kEQ || token_kind == Token::kNE) &&
-      PeekArgumentsCount() == 1 &&
-      (receiver_tag == kNullLiteral ||
-       PeekArgumentsFirstPositionalTag() == kNullLiteral)) {
-    ASSERT(type_args_len == 0);
-    // "==" or "!=" with null on either side.
-    instructions +=
-        BuildArguments(NULL /* names */, NULL /* arg count */,
-                       NULL /* positional arg count */);  // read arguments.
-    Token::Kind strict_cmp_kind =
-        token_kind == Token::kEQ ? Token::kEQ_STRICT : Token::kNE_STRICT;
-    return instructions +
-           StrictCompare(position, strict_cmp_kind, /*number_check = */ true);
-  }
-
-  const Function& target =
-      Function::ZoneHandle(Z, H.LookupMethodByMember(kernel_name, method_name));
-
-  Array& argument_names = Array::ZoneHandle(Z);
-  intptr_t argument_count, positional_argument_count;
-  instructions +=
-      BuildArguments(&argument_names, &argument_count,
-                     &positional_argument_count);  // read arguments.
-  ++argument_count;
-
-  return instructions + StaticCall(position, target, argument_count,
-                                   argument_names, ICData::kNoRebind,
-                                   &result_type, type_args_len);
-}
-
 Fragment StreamingFlowGraphBuilder::BuildSuperMethodInvocation(
     TokenPosition* p) {
   const intptr_t offset = ReaderOffset() - 1;     // Include the tag.
diff --git a/runtime/vm/compiler/frontend/kernel_binary_flowgraph.h b/runtime/vm/compiler/frontend/kernel_binary_flowgraph.h
index 65ea0bd..2f4b90f 100644
--- a/runtime/vm/compiler/frontend/kernel_binary_flowgraph.h
+++ b/runtime/vm/compiler/frontend/kernel_binary_flowgraph.h
@@ -295,12 +295,9 @@
                                              Fragment build_rest_of_actuals);
   Fragment BuildSuperPropertyGet(TokenPosition* position);
   Fragment BuildSuperPropertySet(TokenPosition* position);
-  Fragment BuildDirectPropertyGet(TokenPosition* position);
-  Fragment BuildDirectPropertySet(TokenPosition* position);
   Fragment BuildStaticGet(TokenPosition* position);
   Fragment BuildStaticSet(TokenPosition* position);
   Fragment BuildMethodInvocation(TokenPosition* position);
-  Fragment BuildDirectMethodInvocation(TokenPosition* position);
   Fragment BuildSuperMethodInvocation(TokenPosition* position);
   Fragment BuildStaticInvocation(TokenPosition* position);
   Fragment BuildConstructorInvocation(TokenPosition* position);
diff --git a/runtime/vm/compiler/frontend/kernel_fingerprints.cc b/runtime/vm/compiler/frontend/kernel_fingerprints.cc
index 1b53cde..51ddf29 100644
--- a/runtime/vm/compiler/frontend/kernel_fingerprints.cc
+++ b/runtime/vm/compiler/frontend/kernel_fingerprints.cc
@@ -400,17 +400,6 @@
       CalculateExpressionFingerprint();          // read value.
       CalculateSetterNameFingerprint();  // read interface_target_reference.
       return;
-    case kDirectPropertyGet:
-      ReadPosition();                       // read position.
-      CalculateExpressionFingerprint();     // read receiver.
-      CalculateInterfaceMemberNameFingerprint();  // read target_reference.
-      return;
-    case kDirectPropertySet:
-      ReadPosition();                       // read position.
-      CalculateExpressionFingerprint();     // read receiver.
-      CalculateInterfaceMemberNameFingerprint();  // read target_reference.
-      CalculateExpressionFingerprint();     // read value·
-      return;
     case kStaticGet:
       ReadPosition();                       // read position.
       CalculateCanonicalNameFingerprint();  // read target_reference.
@@ -433,12 +422,6 @@
       CalculateArgumentsFingerprint();           // read arguments.
       CalculateInterfaceMemberNameFingerprint();  // read target_reference.
       return;
-    case kDirectMethodInvocation:
-      ReadPosition();                       // read position.
-      CalculateExpressionFingerprint();     // read receiver.
-      CalculateInterfaceMemberNameFingerprint();  // read target_reference.
-      CalculateArgumentsFingerprint();      // read arguments.
-      return;
     case kStaticInvocation:
       ReadPosition();                       // read position.
       CalculateCanonicalNameFingerprint();  // read target_reference.
diff --git a/runtime/vm/compiler/frontend/kernel_translation_helper.cc b/runtime/vm/compiler/frontend/kernel_translation_helper.cc
index 22acd1c..ff40a8b 100644
--- a/runtime/vm/compiler/frontend/kernel_translation_helper.cc
+++ b/runtime/vm/compiler/frontend/kernel_translation_helper.cc
@@ -2332,17 +2332,6 @@
       SkipExpression();              // read value.
       SkipInterfaceMemberNameReference();  // read interface_target_reference.
       return;
-    case kDirectPropertyGet:
-      ReadPosition();                // read position.
-      SkipExpression();              // read receiver.
-      SkipInterfaceMemberNameReference();  // read target_reference.
-      return;
-    case kDirectPropertySet:
-      ReadPosition();                // read position.
-      SkipExpression();              // read receiver.
-      SkipInterfaceMemberNameReference();  // read target_reference.
-      SkipExpression();              // read value·
-      return;
     case kStaticGet:
       ReadPosition();                // read position.
       SkipCanonicalNameReference();  // read target_reference.
@@ -2365,12 +2354,6 @@
       SkipArguments();               // read arguments.
       SkipInterfaceMemberNameReference();  // read interface_target_reference.
       return;
-    case kDirectMethodInvocation:
-      ReadPosition();                // read position.
-      SkipExpression();              // read receiver.
-      SkipInterfaceMemberNameReference();  // read target_reference.
-      SkipArguments();               // read arguments.
-      return;
     case kStaticInvocation:
       ReadPosition();                // read position.
       SkipCanonicalNameReference();  // read procedure_reference.
diff --git a/runtime/vm/compiler/frontend/scope_builder.cc b/runtime/vm/compiler/frontend/scope_builder.cc
index b859d99..56e1dda 100644
--- a/runtime/vm/compiler/frontend/scope_builder.cc
+++ b/runtime/vm/compiler/frontend/scope_builder.cc
@@ -755,17 +755,6 @@
       // read interface_target_reference.
       helper_.SkipInterfaceMemberNameReference();
       return;
-    case kDirectPropertyGet:
-      helper_.ReadPosition();                // read position.
-      VisitExpression();                     // read receiver.
-      helper_.SkipInterfaceMemberNameReference();  // read target_reference.
-      return;
-    case kDirectPropertySet:
-      helper_.ReadPosition();                // read position.
-      VisitExpression();                     // read receiver.
-      helper_.SkipInterfaceMemberNameReference();  // read target_reference.
-      VisitExpression();                     // read value·
-      return;
     case kSuperPropertyGet:
       HandleLoadReceiver();
       helper_.ReadPosition();                // read position.
@@ -796,12 +785,6 @@
       // read interface_target_reference.
       helper_.SkipInterfaceMemberNameReference();
       return;
-    case kDirectMethodInvocation:
-      helper_.ReadPosition();                // read position.
-      VisitExpression();                     // read receiver.
-      helper_.SkipInterfaceMemberNameReference();  // read target_reference.
-      VisitArguments();                      // read arguments.
-      return;
     case kSuperMethodInvocation:
       HandleLoadReceiver();
       helper_.ReadPosition();  // read position.
diff --git a/runtime/vm/kernel_binary.h b/runtime/vm/kernel_binary.h
index bc9203b..e794427 100644
--- a/runtime/vm/kernel_binary.h
+++ b/runtime/vm/kernel_binary.h
@@ -20,8 +20,8 @@
 static const uint32_t kMagicProgramFile = 0x90ABCDEFu;
 
 // Both version numbers are inclusive.
-static const uint32_t kMinSupportedKernelFormatVersion = 45;
-static const uint32_t kMaxSupportedKernelFormatVersion = 45;
+static const uint32_t kMinSupportedKernelFormatVersion = 46;
+static const uint32_t kMaxSupportedKernelFormatVersion = 46;
 
 // Keep in sync with package:kernel/lib/binary/tag.dart
 #define KERNEL_TAG_LIST(V)                                                     \
@@ -42,9 +42,6 @@
   V(AssertInitializer, 12)                                                     \
   V(CheckLibraryIsLoaded, 13)                                                  \
   V(LoadLibrary, 14)                                                           \
-  V(DirectPropertyGet, 15)                                                     \
-  V(DirectPropertySet, 16)                                                     \
-  V(DirectMethodInvocation, 17)                                                \
   V(ConstStaticInvocation, 18)                                                 \
   V(InvalidExpression, 19)                                                     \
   V(VariableGet, 20)                                                           \
diff --git a/tests/co19/co19-co19.status b/tests/co19/co19-co19.status
index 7600e13..f93ebee 100644
--- a/tests/co19/co19-co19.status
+++ b/tests/co19/co19-co19.status
@@ -26,15 +26,8 @@
 Language/Statements/Expression_Statements/syntax_t06: Skip # Type aliases are not fully implemented
 Language/Types/Type_Aliases/built-in_types_t11: Skip # Triple shift is not implemented yet
 LanguageFeatures/Extension-methods/explicit_extension_member_invocation_A15_t09: Skip # Triple shift is not implemented yet
-LanguageFeatures/Instantiate-to-bound/*: Skip # Not migrated to NNBD
-LanguageFeatures/Instantiate-to-bound/class/*: Skip # Not migrated to NNBD
-LanguageFeatures/Instantiate-to-bound/class/dynamic/*: Skip # Not migrated to NNBD
 LanguageFeatures/Instantiate-to-bound/class/static/*: Skip # Not migrated to NNBD
-LanguageFeatures/Instantiate-to-bound/nonfunction_typedef/*: Skip # Not migrated to NNBD
-LanguageFeatures/Instantiate-to-bound/nonfunction_typedef/dynamic/*: Skip # Not migrated to NNBD
 LanguageFeatures/Instantiate-to-bound/nonfunction_typedef/static/*: Skip # Not migrated to NNBD
-LanguageFeatures/Instantiate-to-bound/typedef/*: Skip # Not migrated to NNBD
-LanguageFeatures/Instantiate-to-bound/typedef/dynamic/*: Skip # Not migrated to NNBD
 LanguageFeatures/Instantiate-to-bound/typedef/static/*: Skip # Not migrated to NNBD
 LanguageFeatures/Simple-bounds/dynamic/type-aliases/*: Skip # Type aliases are not fully implemented
 LanguageFeatures/Simple-bounds/static/type-aliases/*: Skip # Type aliases are not fully implemented
diff --git a/tests/co19/co19-runtime.status b/tests/co19/co19-runtime.status
index f34b3eb..0a91266 100644
--- a/tests/co19/co19-runtime.status
+++ b/tests/co19/co19-runtime.status
@@ -12,5 +12,8 @@
 [ $compiler != dart2js && $runtime != none && $runtime != vm && !$checked ]
 LibTest/async/Future/catchError_A03_t05: RuntimeError
 
+[ $mode == debug && $nnbd != legacy && $runtime == dart_precompiled ]
+LibTest/collection/ListMixin/ListMixin_class_A01_t05: SkipSlow # Issue 43614
+
 [ $compiler == fasta || $runtime == dart_precompiled || $runtime == vm ]
 LibTest/html/*: SkipByDesign # dart:html not supported on VM.
diff --git a/tools/VERSION b/tools/VERSION
index 30c4f2b..6113aa7 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -27,5 +27,5 @@
 MAJOR 2
 MINOR 11
 PATCH 0
-PRERELEASE 185
+PRERELEASE 186
 PRERELEASE_PATCH 0
\ No newline at end of file