diff --git a/pkg/front_end/lib/src/base/processed_options.dart b/pkg/front_end/lib/src/base/processed_options.dart
index 771c58c..541a6e5 100644
--- a/pkg/front_end/lib/src/base/processed_options.dart
+++ b/pkg/front_end/lib/src/base/processed_options.dart
@@ -50,11 +50,9 @@
         templateInternalProblemUnsupported,
         templateSdkRootNotFound,
         templateSdkSpecificationNotFound,
+        templateCantReadFile,
         templateSdkSummaryNotFound;
 
-// TODO(ahe): Remove this import.
-import '../fasta/fasta_codes.dart' show templateUnspecified;
-
 import '../fasta/messages.dart' show getLocation;
 
 import '../fasta/problems.dart' show DebugAbort, unimplemented;
@@ -257,21 +255,6 @@
       return false;
     }
 
-    for (var source in inputs) {
-      // Note: we don't translate Uris at this point because some of the
-      // validation further below must be done before we even construct an
-      // UriTranslator
-      // TODO(sigmund): consider validating dart/packages uri right after we
-      // build the uri translator.
-      if (source.scheme != 'dart' &&
-          source.scheme != 'package' &&
-          !await fileSystem.entityForUri(source).exists()) {
-        reportWithoutLocation(
-            templateInputFileNotFound.withArguments(source), Severity.error);
-        return false;
-      }
-    }
-
     if (_raw.sdkRoot != null &&
         !await fileSystem.entityForUri(sdkRoot).exists()) {
       reportWithoutLocation(
@@ -294,6 +277,8 @@
     }
 
     for (Uri source in _raw.linkedDependencies) {
+      // TODO(ahe): Remove this check, the compiler itself should handle and
+      // recover from this.
       if (!await fileSystem.entityForUri(source).exists()) {
         reportWithoutLocation(
             templateInputFileNotFound.withArguments(source), Severity.error);
@@ -645,11 +630,8 @@
       return await file.readAsBytes();
     } on FileSystemException catch (error) {
       report(
-          // TODO(ahe): Change to templateCantReadFile.withArguments(error.uri,
-          // error.message) when CL 63144 has landed.
-          templateUnspecified
-              .withArguments(
-                  "Error when reading '${error.uri}': ${error.message}")
+          templateCantReadFile
+              .withArguments(error.uri, error.message)
               .withoutLocation(),
           Severity.error);
       return new Uint8List(0);
diff --git a/pkg/front_end/lib/src/fasta/builder/library_builder.dart b/pkg/front_end/lib/src/fasta/builder/library_builder.dart
index 2f29995..b1d0382 100644
--- a/pkg/front_end/lib/src/fasta/builder/library_builder.dart
+++ b/pkg/front_end/lib/src/fasta/builder/library_builder.dart
@@ -53,6 +53,8 @@
         exportScopeBuilder = new ScopeBuilder(exportScope),
         super(null, -1, fileUri);
 
+  bool get isSynthetic => false;
+
   @override
   Declaration get parent => null;
 
@@ -187,7 +189,13 @@
     return 0;
   }
 
-  void becomeCoreLibrary(dynamicType);
+  void becomeCoreLibrary() {
+    if (scope.local["dynamic"] == null) {
+      addSyntheticDeclarationOfDynamic();
+    }
+  }
+
+  void addSyntheticDeclarationOfDynamic();
 
   void forEach(void f(String name, Declaration declaration)) {
     scope.forEach((String name, Declaration declaration) {
@@ -216,4 +224,6 @@
     if (!isPatch) return;
     unsupported("${runtimeType}.applyPatches", -1, fileUri);
   }
+
+  void recordAccess(int charOffset, int length, Uri fileUri) {}
 }
diff --git a/pkg/front_end/lib/src/fasta/dill/dill_library_builder.dart b/pkg/front_end/lib/src/fasta/dill/dill_library_builder.dart
index ba16545..2838eb7 100644
--- a/pkg/front_end/lib/src/fasta/dill/dill_library_builder.dart
+++ b/pkg/front_end/lib/src/fasta/dill/dill_library_builder.dart
@@ -10,6 +10,7 @@
     show
         Class,
         DartType,
+        DynamicType,
         Field,
         Library,
         ListLiteral,
@@ -72,14 +73,12 @@
   @override
   Library get target => library;
 
-  void becomeCoreLibrary(dynamicType) {
-    if (scope.local["dynamic"] == null) {
-      addBuilder(
-          "dynamic",
-          new DynamicTypeBuilder<KernelTypeBuilder, DartType>(
-              dynamicType, this, -1),
-          -1);
-    }
+  void addSyntheticDeclarationOfDynamic() {
+    addBuilder(
+        "dynamic",
+        new DynamicTypeBuilder<KernelTypeBuilder, DartType>(
+            const DynamicType(), this, -1),
+        -1);
   }
 
   void addClass(Class cls) {
diff --git a/pkg/front_end/lib/src/fasta/fasta_codes_generated.dart b/pkg/front_end/lib/src/fasta/fasta_codes_generated.dart
index 3855396..994f876 100644
--- a/pkg/front_end/lib/src/fasta/fasta_codes_generated.dart
+++ b/pkg/front_end/lib/src/fasta/fasta_codes_generated.dart
@@ -580,6 +580,26 @@
 }
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
+const Template<Message Function(Uri uri_, String string)> templateCantReadFile =
+    const Template<Message Function(Uri uri_, String string)>(
+        messageTemplate: r"""Error when reading '#uri': #string""",
+        withArguments: _withArgumentsCantReadFile);
+
+// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
+const Code<Message Function(Uri uri_, String string)> codeCantReadFile =
+    const Code<Message Function(Uri uri_, String string)>(
+        "CantReadFile", templateCantReadFile,
+        analyzerCode: "URI_DOES_NOT_EXIST");
+
+// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
+Message _withArgumentsCantReadFile(Uri uri_, String string) {
+  String uri = relativizeUri(uri_);
+  return new Message(codeCantReadFile,
+      message: """Error when reading '${uri}': ${string}""",
+      arguments: {'uri': uri_, 'string': string});
+}
+
+// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 const Template<
     Message Function(
         Token
@@ -7427,6 +7447,25 @@
     const MessageCode("UnterminatedToken", message: r"""Incomplete token.""");
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
+const Template<Message Function(Uri uri_)> templateUntranslatableUri =
+    const Template<Message Function(Uri uri_)>(
+        messageTemplate: r"""Not found: '#uri'""",
+        withArguments: _withArgumentsUntranslatableUri);
+
+// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
+const Code<Message Function(Uri uri_)> codeUntranslatableUri =
+    const Code<Message Function(Uri uri_)>(
+        "UntranslatableUri", templateUntranslatableUri,
+        analyzerCode: "URI_DOES_NOT_EXIST");
+
+// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
+Message _withArgumentsUntranslatableUri(Uri uri_) {
+  String uri = relativizeUri(uri_);
+  return new Message(codeUntranslatableUri,
+      message: """Not found: '${uri}'""", arguments: {'uri': uri_});
+}
+
+// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 const Template<Message Function(String name)>
     templateUseOfDeprecatedIdentifier =
     const Template<Message Function(String name)>(
diff --git a/pkg/front_end/lib/src/fasta/incremental_compiler.dart b/pkg/front_end/lib/src/fasta/incremental_compiler.dart
index f9a4ca8..b1ed5a3 100644
--- a/pkg/front_end/lib/src/fasta/incremental_compiler.dart
+++ b/pkg/front_end/lib/src/fasta/incremental_compiler.dart
@@ -490,7 +490,8 @@
     assert(dillLoadedData != null && userCode != null);
 
     return await context.runInContext((_) async {
-      LibraryBuilder library = userCode.loader.read(libraryUri, -1);
+      LibraryBuilder library =
+          userCode.loader.read(libraryUri, -1, accessor: userCode.loader.first);
 
       Class kernelClass;
       if (className != null) {
@@ -600,8 +601,8 @@
     List<Uri> invalidatedImportUris = <Uri>[];
 
     bool isInvalidated(Uri importUri, Uri fileUri) {
-      if (invalidatedUris.contains(importUri) ||
-          (importUri != fileUri && invalidatedUris.contains(fileUri))) {
+      if (invalidatedUris.contains(importUri)) return true;
+      if (importUri != fileUri && invalidatedUris.contains(fileUri)) {
         return true;
       }
       if (hasToCheckPackageUris &&
@@ -609,6 +610,7 @@
           uriTranslator.translate(importUri, false) != fileUri) {
         return true;
       }
+      if (builders[importUri]?.isSynthetic == true) return true;
       return false;
     }
 
diff --git a/pkg/front_end/lib/src/fasta/kernel/kernel_library_builder.dart b/pkg/front_end/lib/src/fasta/kernel/kernel_library_builder.dart
index 7b48148..d153f1c 100644
--- a/pkg/front_end/lib/src/fasta/kernel/kernel_library_builder.dart
+++ b/pkg/front_end/lib/src/fasta/kernel/kernel_library_builder.dart
@@ -12,6 +12,7 @@
         Class,
         ConstructorInvocation,
         DartType,
+        DynamicType,
         Expression,
         Field,
         Library,
@@ -162,14 +163,12 @@
 
   Uri get uri => library.importUri;
 
-  void becomeCoreLibrary(dynamicType) {
-    if (scope.local["dynamic"] == null) {
-      addBuilder(
-          "dynamic",
-          new DynamicTypeBuilder<KernelTypeBuilder, DartType>(
-              dynamicType, this, -1),
-          -1);
-    }
+  void addSyntheticDeclarationOfDynamic() {
+    addBuilder(
+        "dynamic",
+        new DynamicTypeBuilder<KernelTypeBuilder, DartType>(
+            const DynamicType(), this, -1),
+        -1);
   }
 
   KernelTypeBuilder addNamedType(
diff --git a/pkg/front_end/lib/src/fasta/kernel/kernel_target.dart b/pkg/front_end/lib/src/fasta/kernel/kernel_target.dart
index 86122bb..5daa713 100644
--- a/pkg/front_end/lib/src/fasta/kernel/kernel_target.dart
+++ b/pkg/front_end/lib/src/fasta/kernel/kernel_target.dart
@@ -15,7 +15,6 @@
         Component,
         Constructor,
         DartType,
-        DynamicType,
         EmptyStatement,
         Expression,
         ExpressionStatement,
@@ -151,7 +150,7 @@
   }
 
   void read(Uri uri) {
-    loader.read(uri, -1);
+    loader.read(uri, -1, accessor: loader.first);
   }
 
   @override
@@ -238,7 +237,7 @@
         () async {
           loader.createTypeInferenceEngine();
           await loader.buildOutlines();
-          loader.coreLibrary.becomeCoreLibrary(const DynamicType());
+          loader.coreLibrary.becomeCoreLibrary();
           dynamicType.bind(loader.coreLibrary["dynamic"]);
           loader.resolveParts();
           loader.computeLibraryScopes();
@@ -810,13 +809,13 @@
       KernelLibraryBuilder first;
       for (Uri patch in patches) {
         if (first == null) {
-          first =
-              library.loader.read(patch, -1, fileUri: patch, origin: library);
+          first = library.loader.read(patch, -1,
+              fileUri: patch, origin: library, accessor: library);
         } else {
           // If there's more than one patch file, it's interpreted as a part of
           // the patch library.
           KernelLibraryBuilder part =
-              library.loader.read(patch, -1, fileUri: patch);
+              library.loader.read(patch, -1, fileUri: patch, accessor: first);
           first.parts.add(part);
           part.addPartOf(null, null, "${first.uri}", -1);
         }
diff --git a/pkg/front_end/lib/src/fasta/loader.dart b/pkg/front_end/lib/src/fasta/loader.dart
index f1f9d5c..0d794a7 100644
--- a/pkg/front_end/lib/src/fasta/loader.dart
+++ b/pkg/front_end/lib/src/fasta/loader.dart
@@ -23,7 +23,7 @@
         templateInternalProblemContextSeverity,
         templateSourceBodySummary;
 
-import 'problems.dart' show internalProblem;
+import 'problems.dart' show internalProblem, unhandled;
 
 import 'rewrite_severity.dart' show rewriteSeverity;
 
@@ -35,6 +35,8 @@
 
 import 'type_inference/type_inference_engine.dart' show TypeInferenceEngine;
 
+const String untranslatableUriScheme = "org-dartlang-untranslatable-uri";
+
 abstract class Loader<L> {
   final Map<Uri, LibraryBuilder> builders = <Uri, LibraryBuilder>{};
 
@@ -78,6 +80,8 @@
 
   TypeInferenceEngine get typeInferenceEngine => null;
 
+  bool get isSourceLoader => false;
+
   /// Look up a library builder by the name [uri], or if such doesn't
   /// exist, create one. The canonical URI of the library is [uri], and its
   /// actual location is [fileUri].
@@ -102,7 +106,10 @@
         switch (uri.scheme) {
           case "package":
           case "dart":
-            fileUri = target.translateUri(uri);
+            fileUri = target.translateUri(uri) ??
+                new Uri(
+                    scheme: untranslatableUriScheme,
+                    path: Uri.encodeComponent("$uri"));
             break;
 
           default:
@@ -114,9 +121,11 @@
           target.createLibraryBuilder(uri, fileUri, origin);
       if (uri.scheme == "dart" && uri.path == "core") {
         coreLibrary = library;
-        target.loadExtraRequiredLibraries(this);
       }
       if (library.loader != this) {
+        if (coreLibrary == library) {
+          target.loadExtraRequiredLibraries(this);
+        }
         // This library isn't owned by this loader, so not further processing
         // should be attempted.
         return library;
@@ -129,6 +138,9 @@
         firstSourceUri ??= uri;
         first ??= library;
       }
+      if (coreLibrary == library) {
+        target.loadExtraRequiredLibraries(this);
+      }
       if (target.backendTarget.mayDefineRestrictedType(origin?.uri ?? uri)) {
         library.mayImplementRestrictedTypes = true;
       }
@@ -138,19 +150,25 @@
       unparsedLibraries.addLast(library);
       return library;
     });
-    if (accessor != null &&
-        !accessor.isPatch &&
-        !target.backendTarget
-            .allowPlatformPrivateLibraryAccess(accessor.uri, uri)) {
-      accessor.addProblem(messagePlatformPrivateLibraryAccess, charOffset,
-          noLength, accessor.fileUri);
+    if (accessor == null) {
+      if (builder.loader == this && first != builder && isSourceLoader) {
+        unhandled("null", "accessor", charOffset, uri);
+      }
+    } else {
+      builder.recordAccess(charOffset, noLength, accessor.fileUri);
+      if (!accessor.isPatch &&
+          !target.backendTarget
+              .allowPlatformPrivateLibraryAccess(accessor.uri, uri)) {
+        accessor.addProblem(messagePlatformPrivateLibraryAccess, charOffset,
+            noLength, accessor.fileUri);
+      }
     }
     return builder;
   }
 
   void ensureCoreLibrary() {
     if (coreLibrary == null) {
-      read(Uri.parse("dart:core"), -1);
+      read(Uri.parse("dart:core"), 0, accessor: first);
       assert(coreLibrary != null);
     }
   }
diff --git a/pkg/front_end/lib/src/fasta/rewrite_severity.dart b/pkg/front_end/lib/src/fasta/rewrite_severity.dart
index ae106ad..6ffcfb2 100644
--- a/pkg/front_end/lib/src/fasta/rewrite_severity.dart
+++ b/pkg/front_end/lib/src/fasta/rewrite_severity.dart
@@ -48,7 +48,6 @@
       case "kernel/body_builder.dart":
       case "source/diet_listener.dart":
       case "source/source_library_builder.dart":
-      case "source/source_loader.dart":
         return severity;
     }
   } else if (code == msg.codeMissingExplicitTypeArguments) {
diff --git a/pkg/front_end/lib/src/fasta/source/source_library_builder.dart b/pkg/front_end/lib/src/fasta/source/source_library_builder.dart
index a96b82c..62794ae 100644
--- a/pkg/front_end/lib/src/fasta/source/source_library_builder.dart
+++ b/pkg/front_end/lib/src/fasta/source/source_library_builder.dart
@@ -40,6 +40,7 @@
 
 import '../fasta_codes.dart'
     show
+        Message,
         messageConstructorWithWrongName,
         messageExpectedUri,
         messageMemberWithSameNameAsClass,
@@ -98,6 +99,8 @@
   @override
   final bool disableTypeInference;
 
+  final List<Object> accessors = <Object>[];
+
   String documentationComment;
 
   String name;
@@ -116,6 +119,10 @@
 
   bool canAddImplementationBuilders = false;
 
+  /// Non-null if this library causes an error upon access, that is, there was
+  /// an error reading its source.
+  Message accessProblem;
+
   SourceLibraryBuilder(SourceLoader loader, Uri fileUri, Scope scope)
       : this.fromScopes(loader, fileUri, new DeclarationBuilder<T>.library(),
             scope ?? new Scope.top());
@@ -134,6 +141,9 @@
 
   List<UnresolvedType<T>> get types => libraryDeclaration.types;
 
+  @override
+  bool get isSynthetic => accessProblem != null;
+
   T addNamedType(Object name, List<T> arguments, int charOffset);
 
   T addMixinApplication(T supertype, List<T> mixins, int charOffset);
@@ -308,7 +318,7 @@
       }
     } else {
       resolvedUri = resolve(this.uri, uri, uriOffset);
-      builder = loader.read(resolvedUri, charOffset, accessor: this);
+      builder = loader.read(resolvedUri, uriOffset, accessor: this);
     }
 
     imports.add(new Import(this, builder, deferred, prefix, combinators,
@@ -759,6 +769,33 @@
       member.instrumentTopLevelInference(instrumentation);
     });
   }
+
+  @override
+  void recordAccess(int charOffset, int length, Uri fileUri) {
+    accessors.add(fileUri);
+    accessors.add(charOffset);
+    accessors.add(length);
+    if (accessProblem != null) {
+      addProblem(accessProblem, charOffset, length, fileUri);
+    }
+  }
+
+  void addProblemAtAccessors(Message message) {
+    if (accessProblem == null) {
+      if (accessors.isEmpty && this == loader.first) {
+        // This is the entry point library, and nobody access it directly. So
+        // we need to report a problem.
+        loader.addProblem(message, -1, 1, null);
+      }
+      for (int i = 0; i < accessors.length; i += 3) {
+        Uri accessor = accessors[i];
+        int charOffset = accessors[i + 1];
+        int length = accessors[i + 2];
+        addProblem(message, charOffset, length, accessor);
+      }
+      accessProblem = message;
+    }
+  }
 }
 
 /// Unlike [Scope], this scope is used during construction of builders to
diff --git a/pkg/front_end/lib/src/fasta/source/source_loader.dart b/pkg/front_end/lib/src/fasta/source/source_loader.dart
index 9f48ebd..fa1b8fb 100644
--- a/pkg/front_end/lib/src/fasta/source/source_loader.dart
+++ b/pkg/front_end/lib/src/fasta/source/source_loader.dart
@@ -6,6 +6,8 @@
 
 import 'dart:async' show Future;
 
+import 'dart:convert' show utf8;
+
 import 'dart:typed_data' show Uint8List;
 
 import 'package:kernel/ast.dart'
@@ -45,18 +47,17 @@
         NamedTypeBuilder,
         TypeBuilder;
 
-import '../deprecated_problems.dart' show deprecated_inputError;
-
 import '../export.dart' show Export;
 
 import '../fasta_codes.dart'
     show
         LocatedMessage,
         Message,
-        noLength,
         SummaryTemplate,
         Template,
+        noLength,
         templateAmbiguousSupertypes,
+        templateCantReadFile,
         templateCyclicClassHierarchy,
         templateExtendingEnum,
         templateExtendingRestricted,
@@ -64,7 +65,8 @@
         templateIllegalMixinDueToConstructors,
         templateIllegalMixinDueToConstructorsCause,
         templateInternalProblemUriMissingScheme,
-        templateSourceOutlineSummary;
+        templateSourceOutlineSummary,
+        templateUntranslatableUri;
 
 import '../fasta_codes.dart' as fasta_codes;
 
@@ -77,7 +79,7 @@
 
 import '../kernel/body_builder.dart' show BodyBuilder;
 
-import '../loader.dart' show Loader;
+import '../loader.dart' show Loader, untranslatableUriScheme;
 
 import '../parser/class_member_parser.dart' show ClassMemberParser;
 
@@ -138,37 +140,55 @@
   Template<SummaryTemplate> get outlineSummaryTemplate =>
       templateSourceOutlineSummary;
 
+  bool get isSourceLoader => true;
+
   Future<Token> tokenize(SourceLibraryBuilder library,
       {bool suppressLexicalErrors: false}) async {
     Uri uri = library.fileUri;
-    if (uri == null) {
-      return deprecated_inputError(
-          library.uri, -1, "Not found: ${library.uri}.");
-    } else if (!uri.hasScheme) {
-      return internalProblem(
-          templateInternalProblemUriMissingScheme.withArguments(uri),
-          -1,
-          library.uri);
-    } else if (uri.scheme == SourceLibraryBuilder.MALFORMED_URI_SCHEME) {
-      // Simulate empty file
-      return null;
-    }
 
-    // Get the library text from the cache, or read from the file system.
+    // Lookup the file URI in the cache.
     List<int> bytes = sourceBytes[uri];
+
     if (bytes == null) {
-      try {
-        List<int> rawBytes = await fileSystem.entityForUri(uri).readAsBytes();
-        Uint8List zeroTerminatedBytes = new Uint8List(rawBytes.length + 1);
-        zeroTerminatedBytes.setRange(0, rawBytes.length, rawBytes);
+      // Error recovery.
+      if (uri.scheme == untranslatableUriScheme) {
+        Message message = templateUntranslatableUri.withArguments(library.uri);
+        library.addProblemAtAccessors(message);
+        bytes = synthesizeSourceForMissingFile(library.uri, null);
+      } else if (!uri.hasScheme) {
+        return internalProblem(
+            templateInternalProblemUriMissingScheme.withArguments(uri),
+            -1,
+            library.uri);
+      } else if (uri.scheme == SourceLibraryBuilder.MALFORMED_URI_SCHEME) {
+        bytes = synthesizeSourceForMissingFile(library.uri, null);
+      }
+      if (bytes != null) {
+        Uint8List zeroTerminatedBytes = new Uint8List(bytes.length + 1);
+        zeroTerminatedBytes.setRange(0, bytes.length, bytes);
         bytes = zeroTerminatedBytes;
         sourceBytes[uri] = bytes;
-        byteCount += rawBytes.length;
-      } on FileSystemException catch (e) {
-        return deprecated_inputError(uri, -1, e.message);
       }
     }
 
+    if (bytes == null) {
+      // If it isn't found in the cache, read the file read from the file
+      // system.
+      List<int> rawBytes;
+      try {
+        rawBytes = await fileSystem.entityForUri(uri).readAsBytes();
+      } on FileSystemException catch (e) {
+        Message message = templateCantReadFile.withArguments(uri, e.message);
+        library.addProblemAtAccessors(message);
+        rawBytes = synthesizeSourceForMissingFile(library.uri, message);
+      }
+      Uint8List zeroTerminatedBytes = new Uint8List(rawBytes.length + 1);
+      zeroTerminatedBytes.setRange(0, rawBytes.length, rawBytes);
+      bytes = zeroTerminatedBytes;
+      sourceBytes[uri] = bytes;
+      byteCount += rawBytes.length;
+    }
+
     ScannerResult result = scan(bytes, includeComments: includeComments);
     Token token = result.tokens;
     if (!suppressLexicalErrors) {
@@ -186,6 +206,19 @@
     return token;
   }
 
+  List<int> synthesizeSourceForMissingFile(Uri uri, Message message) {
+    switch ("$uri") {
+      case "dart:core":
+        return utf8.encode(defaultDartCoreSource);
+
+      case "dart:async":
+        return utf8.encode(defaultDartAsyncSource);
+
+      default:
+        return utf8.encode(message == null ? "" : "/* ${message.message} */");
+    }
+  }
+
   List<int> getSource(List<int> bytes) {
     // bytes is 0-terminated. We don't want that included.
     if (bytes is Uint8List) {
@@ -612,7 +645,7 @@
       if (library.loader == this) {
         SourceLibraryBuilder sourceLibrary = library;
         L target = sourceLibrary.build(coreLibrary);
-        if (!library.isPatch) {
+        if (!library.isPatch && !library.isSynthetic) {
           libraries.add(target);
         }
       }
@@ -947,3 +980,117 @@
     typeInferenceEngine = null;
   }
 }
+
+const String defaultDartCoreSource = """
+import 'dart:_internal';
+import 'dart:async';
+
+print(object) {}
+
+class Iterator {}
+
+class Iterable {}
+
+class List extends Iterable {
+  factory List.unmodifiable(elements) => null;
+}
+
+class Map extends Iterable {
+  factory Map.unmodifiable(other) => null;
+}
+
+class NoSuchMethodError {
+  NoSuchMethodError.withInvocation(receiver, invocation);
+}
+
+class Null {}
+
+class Object {
+  noSuchMethod(invocation) => null;
+}
+
+class String {}
+
+class Symbol {}
+
+class Type {}
+
+class _InvocationMirror {
+  _InvocationMirror._withType(_memberName, _type, _typeArguments,
+      _positionalArguments, _namedArguments);
+}
+
+class bool {}
+
+class double extends num {}
+
+class int extends num {}
+
+class num {}
+
+class _SyncIterable {}
+
+class _SyncIterator {
+  var _current;
+  var _yieldEachIterable;
+}
+""";
+
+const String defaultDartAsyncSource = """
+_asyncErrorWrapperHelper(continuation) {}
+
+_asyncStackTraceHelper(async_op) {}
+
+_asyncThenWrapperHelper(continuation) {}
+
+_awaitHelper(object, thenCallback, errorCallback, awaiter) {}
+
+_completeOnAsyncReturn(completer, value) {}
+
+class _AsyncStarStreamController {
+  add(event) {}
+
+  addError(error, stackTrace) {}
+
+  addStream(stream) {}
+
+  close() {}
+
+  get stream => null;
+}
+
+class Completer {
+  factory Completer.sync() => null;
+
+  get future;
+
+  complete([value]);
+
+  completeError(error, [stackTrace]);
+}
+
+class Future {
+  factory Future.microtask(computation) => null;
+}
+
+class FutureOr {
+}
+
+class _AsyncAwaitCompleter implements Completer {
+  get future => null;
+
+  complete([value]) {}
+
+  completeError(error, [stackTrace]) {}
+}
+
+class Stream {}
+
+class _StreamIterator {
+  get current => null;
+
+  moveNext() {}
+
+  cancel() {}
+}
+""";
diff --git a/pkg/front_end/lib/src/fasta/target_implementation.dart b/pkg/front_end/lib/src/fasta/target_implementation.dart
index 3361321..08581aa 100644
--- a/pkg/front_end/lib/src/fasta/target_implementation.dart
+++ b/pkg/front_end/lib/src/fasta/target_implementation.dart
@@ -94,13 +94,14 @@
   /// type String, which is the name of the native method.
   Declaration getNativeAnnotation(Loader loader) {
     if (cachedNativeAnnotation != null) return cachedNativeAnnotation;
-    LibraryBuilder internal = loader.read(Uri.parse("dart:_internal"), -1);
+    LibraryBuilder internal = loader.read(Uri.parse("dart:_internal"), -1,
+        accessor: loader.coreLibrary);
     return cachedNativeAnnotation = internal.getConstructor("ExternalName");
   }
 
   void loadExtraRequiredLibraries(Loader loader) {
     for (String uri in backendTarget.extraRequiredLibraries) {
-      loader.read(Uri.parse(uri), -1);
+      loader.read(Uri.parse(uri), 0, accessor: loader.coreLibrary);
     }
   }
 
diff --git a/pkg/front_end/messages.yaml b/pkg/front_end/messages.yaml
index c527e0a..9bbe9e3 100644
--- a/pkg/front_end/messages.yaml
+++ b/pkg/front_end/messages.yaml
@@ -2768,3 +2768,21 @@
         factory A.f({int x = 42}) = A.g;
         A.g() {}
       }
+
+UntranslatableUri:
+  template: "Not found: '#uri'"
+  analyzerCode: URI_DOES_NOT_EXIST
+  script: |
+    import "dart:non_existing_library";
+
+    main() {
+    }
+
+CantReadFile:
+  template: "Error when reading '#uri': #string"
+  analyzerCode: URI_DOES_NOT_EXIST
+  script: |
+    import "non_existing_file.dart";
+
+    main() {
+    }
diff --git a/pkg/front_end/test/incremental_load_from_dill_test.dart b/pkg/front_end/test/incremental_load_from_dill_test.dart
index 70f828e..68f91f0 100644
--- a/pkg/front_end/test/incremental_load_from_dill_test.dart
+++ b/pkg/front_end/test/incremental_load_from_dill_test.dart
@@ -35,6 +35,8 @@
 
 import 'package:kernel/target/targets.dart' show TargetFlags;
 
+import 'package:kernel/text/ast_to_text.dart' show componentToString;
+
 import "package:testing/testing.dart"
     show Chain, ChainContext, Result, Step, TestDescription, runMe;
 
@@ -277,6 +279,7 @@
     util.throwOnEmptyMixinBodies(component);
     print("Compile took ${stopwatch.elapsedMilliseconds} ms");
     newestWholeComponent = serializeComponent(component);
+    print("*****\n\ncomponent:\n${componentToString(component)}\n\n\n");
     if (component.libraries.length != world["expectedLibraryCount"]) {
       throw "Expected ${world["expectedLibraryCount"]} libraries, "
           "got ${component.libraries.length}";
@@ -317,6 +320,7 @@
       performErrorAndWarningCheck(
           world, gotError, formattedErrors, gotWarning, formattedWarnings);
       List<int> thisWholeComponent = serializeComponent(component2);
+      print("*****\n\ncomponent2:\n${componentToString(component2)}\n\n\n");
       checkIsEqual(newestWholeComponent, thisWholeComponent);
     }
   }
diff --git a/pkg/front_end/test/src/base/processed_options_test.dart b/pkg/front_end/test/src/base/processed_options_test.dart
index 2e74c1d..f7f4fcf 100644
--- a/pkg/front_end/test/src/base/processed_options_test.dart
+++ b/pkg/front_end/test/src/base/processed_options_test.dart
@@ -344,9 +344,8 @@
       ..onError = (e) => errors.add(e);
     var options = new ProcessedOptions(raw, [Uri.parse('foo.dart')]);
     var result = await options.validateOptions();
-    expect(errors.single.message,
-        startsWith(_stringPrefixOf(templateInputFileNotFound)));
-    expect(result, isFalse);
+    expect(errors, isEmpty);
+    expect(result, isTrue);
   }
 
   test_validateOptions_root_exists() async {
diff --git a/pkg/front_end/testcases/compile.status b/pkg/front_end/testcases/compile.status
index ba0d63c..8f7efbe 100644
--- a/pkg/front_end/testcases/compile.status
+++ b/pkg/front_end/testcases/compile.status
@@ -6,28 +6,16 @@
 # testing generating Kernel ASTs directly, that is, code in
 # pkg/fasta/lib/src/kernel/.
 
-rasta/unsupported_platform_library: RuntimeError # OK, this must report an error at runtime.
-
 DeltaBlue: Fail # Fasta and dartk disagree on static initializers
+ambiguous_exports: RuntimeError # Expected, this file exports two main methods.
 bug31124: RuntimeError # Test has an intentional error
 call: Fail # Test can't run.
+co19_language_metadata_syntax_t04: RuntimeError # Fasta doesn't recover well
+constructor_const_inference: RuntimeError # Test exercises strong mode semantics.  See also Issue #33813.
+external_import: RuntimeError # Expected -- test uses import which doesn't exist.
 fallthrough: Fail # Missing FallThroughError.
 function_type_recovery: Fail
-invocations: Fail
-micro: Fail # External method marked abstract.
-named_parameters: Fail # Missing types and unnecessary default values.
-optional: Fail # Unnecessary default values.
-redirecting_factory: Fail # Missing types on constructor parameters.
-redirecting_factory_chain_test: Fail # Missing support for RedirectingFactoryConstructor.
-redirecting_factory_simple_test: Fail # Missing support for RedirectingFactoryConstructor.
-redirecting_factory_typeargs_test: Fail # Missing support for RedirectingFactoryConstructor.
-redirecting_factory_typeparam_test: Fail # Missing support for RedirectingFactoryConstructor.
-redirecting_factory_typeparambounds_test: Fail # Missing support for RedirectingFactoryConstructor.
-statements: Fail # Make async tranformer optional for golden file testing.
-type_variable_as_super: Fail
-uninitialized_fields: Fail # Fasta and dartk disagree on static initializers
-void_methods: Fail # Bad return from setters.
-
+incomplete_field_formal_parameter: Fail # Fasta doesn't recover well
 inference/bug31436: RuntimeError # Test exercises Dart 2.0 semantics
 inference/constructors_too_many_positional_arguments: Fail
 inference/downwards_inference_annotations_locals: Fail # Issue #30031
@@ -41,11 +29,13 @@
 inference/unsafe_block_closure_inference_function_call_explicit_dynamic_param_via_expr1: Fail
 inference/unsafe_block_closure_inference_function_call_explicit_type_param_via_expr1: Fail
 inference/unsafe_block_closure_inference_function_call_explicit_type_param_via_expr2: RuntimeError
-
 instantiate_to_bound/body_typedef_super_bounded_type: Fail # Issue 33444
 instantiate_to_bound/non_simple_class_parametrized_typedef_cycle: RuntimeError # May be related to Issue 33479
 instantiate_to_bound/typedef_super_bounded_type: Fail # Issue 33444
-
+invocations: Fail
+micro: Fail # External method marked abstract.
+named_parameters: Fail # Missing types and unnecessary default values.
+optional: Fail # Unnecessary default values.
 rasta/abstract_constructor: Fail
 rasta/bad_constructor_redirection: Fail
 rasta/bad_continue: Fail
@@ -62,7 +52,10 @@
 rasta/constant_get_and_invoke: Fail
 rasta/deferred_lib: Fail
 rasta/deferred_load: Fail
+rasta/duplicated_mixin: RuntimeError # Expected, this file has no main method.
+rasta/export: RuntimeError # Expected, this file has no main method.
 rasta/external_factory_redirection: Fail
+rasta/foo: RuntimeError # Expected, this file has no main method.
 rasta/for_loop: Fail
 rasta/generic_factory: Fail
 rasta/issue_000001: Fail
@@ -98,15 +91,20 @@
 rasta/unresolved_constructor: Fail
 rasta/unresolved_for_in: RuntimeError # Test contains a compile-time error, signaled at run time in the JIT VM
 rasta/unresolved_recovery: Fail
-
+redirecting_factory: Fail # Missing types on constructor parameters.
+redirecting_factory_chain_test: Fail # Missing support for RedirectingFactoryConstructor.
+redirecting_factory_const_inference: RuntimeError # Test exercises strong mode semantics.  See also Issue #33813.
+redirecting_factory_simple_test: Fail # Missing support for RedirectingFactoryConstructor.
+redirecting_factory_typeargs_test: Fail # Missing support for RedirectingFactoryConstructor.
+redirecting_factory_typeparam_test: Fail # Missing support for RedirectingFactoryConstructor.
+redirecting_factory_typeparambounds_test: Fail # Missing support for RedirectingFactoryConstructor.
 regress/issue_29975: Fail # Issue 29975.
 regress/issue_29976: RuntimeError # Issue 29976.
 regress/issue_29982: Fail # Issue 29982.
 regress/issue_30836: RuntimeError # Issue 30836.
-regress/issue_33452: RuntimeError # Test has an intentional error
 regress/issue_32972: RuntimeError
+regress/issue_33452: RuntimeError # Test has an intentional error
 regress/issue_34225: RuntimeError
-
 runtime_checks/implicit_downcast_constructor_initializer: RuntimeError # Test exercises strong mode semantics
 runtime_checks/implicit_downcast_do: RuntimeError # Test exercises strong mode semantics
 runtime_checks/implicit_downcast_for_condition: RuntimeError # Test exercises strong mode semantics
@@ -119,15 +117,7 @@
 runtime_checks_new/mixin_forwarding_stub_getter: RuntimeError # Test exercises strong mode semantics
 runtime_checks_new/mixin_forwarding_stub_setter: RuntimeError # Test exercises strong mode semantics
 runtime_checks_new/stub_checked_via_target: RuntimeError # Test exercises strong mode semantics
-constructor_const_inference: RuntimeError # Test exercises strong mode semantics.  See also Issue #33813.
-redirecting_factory_const_inference: RuntimeError # Test exercises strong mode semantics.  See also Issue #33813.
-
-ambiguous_exports: RuntimeError # Expected, this file exports two main methods.
-rasta/duplicated_mixin: RuntimeError # Expected, this file has no main method.
-rasta/export: RuntimeError # Expected, this file has no main method.
-rasta/foo: RuntimeError # Expected, this file has no main method.
-
-incomplete_field_formal_parameter: Fail # Fasta doesn't recover well
-
-co19_language_metadata_syntax_t04: RuntimeError # Fasta doesn't recover well
-external_import: RuntimeError # Expected -- test uses import which doesn't exist.
+statements: Fail # Make async tranformer optional for golden file testing.
+type_variable_as_super: Fail
+uninitialized_fields: Fail # Fasta and dartk disagree on static initializers
+void_methods: Fail # Bad return from setters.
diff --git a/pkg/front_end/testcases/incremental_initialize_from_dill/deleting_file.yaml b/pkg/front_end/testcases/incremental_initialize_from_dill/deleting_file.yaml
index 970db47..2933c37 100644
--- a/pkg/front_end/testcases/incremental_initialize_from_dill/deleting_file.yaml
+++ b/pkg/front_end/testcases/incremental_initialize_from_dill/deleting_file.yaml
@@ -24,7 +24,7 @@
     expectedLibraryCount: 2
   - entry: main.dart
     errors: true
-    warnings: false
+    warnings: true
     invalidate:
       - b.dart
     sources:
@@ -37,7 +37,7 @@
     expectedLibraryCount: 1
   - entry: main.dart
     errors: true
-    warnings: false
+    warnings: true
     checkInvalidatedFiles: false
     worldType: updated
     invalidate:
@@ -52,7 +52,7 @@
     expectedLibraryCount: 1
   - entry: main.dart
     errors: true
-    warnings: false
+    warnings: true
     checkInvalidatedFiles: false
     worldType: updated
     invalidate:
@@ -64,4 +64,4 @@
           print("Hello no. 1");
           b();
         }
-    expectedLibraryCount: 1
\ No newline at end of file
+    expectedLibraryCount: 1
diff --git a/pkg/front_end/testcases/incremental_initialize_from_dill/invaldation_across_compile_time_error.yaml b/pkg/front_end/testcases/incremental_initialize_from_dill/invalidation_across_compile_time_error.yaml
similarity index 96%
rename from pkg/front_end/testcases/incremental_initialize_from_dill/invaldation_across_compile_time_error.yaml
rename to pkg/front_end/testcases/incremental_initialize_from_dill/invalidation_across_compile_time_error.yaml
index f1213e3..c627364 100644
--- a/pkg/front_end/testcases/incremental_initialize_from_dill/invaldation_across_compile_time_error.yaml
+++ b/pkg/front_end/testcases/incremental_initialize_from_dill/invalidation_across_compile_time_error.yaml
@@ -40,7 +40,7 @@
     sources:
       main.dart: |
         import "b.dart";
-        import "nonexistin.dart";
+        import "nonexisting.dart";
         main() {
           print("hello");
           b();
@@ -52,7 +52,7 @@
           c();
         }
     errors: true
-    expectedLibraryCount: 1
+    expectedLibraryCount: 3
   - entry: main.dart
     worldType: updated
     expectInitializeFromDill: false
@@ -66,4 +66,4 @@
           print("hello");
           b();
         }
-    expectedLibraryCount: 3
\ No newline at end of file
+    expectedLibraryCount: 3
diff --git a/pkg/front_end/testcases/incremental_initialize_from_dill/updated_package_4.yaml b/pkg/front_end/testcases/incremental_initialize_from_dill/updated_package_4.yaml
index 84a4e54..b59c18e 100644
--- a/pkg/front_end/testcases/incremental_initialize_from_dill/updated_package_4.yaml
+++ b/pkg/front_end/testcases/incremental_initialize_from_dill/updated_package_4.yaml
@@ -32,4 +32,5 @@
     sources:
       .packages:
     errors: true
-    expectedLibraryCount: 1
\ No newline at end of file
+    warnings: true
+    expectedLibraryCount: 1
diff --git a/pkg/front_end/testcases/rasta/unsupported_platform_library.dart b/pkg/front_end/testcases/rasta/unsupported_platform_library.dart
index ca1de9b..fa8123d 100644
--- a/pkg/front_end/testcases/rasta/unsupported_platform_library.dart
+++ b/pkg/front_end/testcases/rasta/unsupported_platform_library.dart
@@ -4,3 +4,5 @@
 
 import 'dart:html';
 import 'dart:io';
+
+main() {}
diff --git a/pkg/front_end/testcases/rasta/unsupported_platform_library.dart.direct.expect b/pkg/front_end/testcases/rasta/unsupported_platform_library.dart.direct.expect
index 7073760..0c3e32a 100644
--- a/pkg/front_end/testcases/rasta/unsupported_platform_library.dart.direct.expect
+++ b/pkg/front_end/testcases/rasta/unsupported_platform_library.dart.direct.expect
@@ -1,6 +1,10 @@
+// Errors:
+//
+// pkg/front_end/testcases/rasta/unsupported_platform_library.dart:5:8: Error: Not found: 'dart:html'
+// import 'dart:html';
+//        ^
+
 library;
 import self as self;
 
-static method #main() → dynamic {
-  throw "dart:html:1: Error: Not found: dart:html.";
-}
+static method main() → dynamic {}
diff --git a/pkg/front_end/testcases/rasta/unsupported_platform_library.dart.direct.transformed.expect b/pkg/front_end/testcases/rasta/unsupported_platform_library.dart.direct.transformed.expect
index 7073760..0c3e32a 100644
--- a/pkg/front_end/testcases/rasta/unsupported_platform_library.dart.direct.transformed.expect
+++ b/pkg/front_end/testcases/rasta/unsupported_platform_library.dart.direct.transformed.expect
@@ -1,6 +1,10 @@
+// Errors:
+//
+// pkg/front_end/testcases/rasta/unsupported_platform_library.dart:5:8: Error: Not found: 'dart:html'
+// import 'dart:html';
+//        ^
+
 library;
 import self as self;
 
-static method #main() → dynamic {
-  throw "dart:html:1: Error: Not found: dart:html.";
-}
+static method main() → dynamic {}
diff --git a/pkg/front_end/testcases/rasta/unsupported_platform_library.dart.outline.expect b/pkg/front_end/testcases/rasta/unsupported_platform_library.dart.outline.expect
index cc97b3e..6a28c0d 100644
--- a/pkg/front_end/testcases/rasta/unsupported_platform_library.dart.outline.expect
+++ b/pkg/front_end/testcases/rasta/unsupported_platform_library.dart.outline.expect
@@ -1,2 +1,5 @@
 library;
 import self as self;
+
+static method main() → dynamic
+  ;
diff --git a/pkg/front_end/testcases/rasta/unsupported_platform_library.dart.strong.expect b/pkg/front_end/testcases/rasta/unsupported_platform_library.dart.strong.expect
new file mode 100644
index 0000000..0c3e32a
--- /dev/null
+++ b/pkg/front_end/testcases/rasta/unsupported_platform_library.dart.strong.expect
@@ -0,0 +1,10 @@
+// Errors:
+//
+// pkg/front_end/testcases/rasta/unsupported_platform_library.dart:5:8: Error: Not found: 'dart:html'
+// import 'dart:html';
+//        ^
+
+library;
+import self as self;
+
+static method main() → dynamic {}
diff --git a/pkg/front_end/testcases/rasta/unsupported_platform_library.dart.strong.transformed.expect b/pkg/front_end/testcases/rasta/unsupported_platform_library.dart.strong.transformed.expect
new file mode 100644
index 0000000..0c3e32a
--- /dev/null
+++ b/pkg/front_end/testcases/rasta/unsupported_platform_library.dart.strong.transformed.expect
@@ -0,0 +1,10 @@
+// Errors:
+//
+// pkg/front_end/testcases/rasta/unsupported_platform_library.dart:5:8: Error: Not found: 'dart:html'
+// import 'dart:html';
+//        ^
+
+library;
+import self as self;
+
+static method main() → dynamic {}
diff --git a/pkg/front_end/testcases/strong.status b/pkg/front_end/testcases/strong.status
index 9f5cea1..c1ac933 100644
--- a/pkg/front_end/testcases/strong.status
+++ b/pkg/front_end/testcases/strong.status
@@ -190,7 +190,6 @@
 rasta/unresolved_constructor: Fail
 rasta/unresolved_for_in: Fail
 rasta/unresolved_recovery: Fail
-rasta/unsupported_platform_library: Fail
 
 regress/issue_29975: Fail # Issue 29975.
 regress/issue_29976: TypeCheckError # Issue 29976.
diff --git a/pkg/front_end/tool/fasta_perf.dart b/pkg/front_end/tool/fasta_perf.dart
index ea099cd..4b9fb26 100644
--- a/pkg/front_end/tool/fasta_perf.dart
+++ b/pkg/front_end/tool/fasta_perf.dart
@@ -243,23 +243,7 @@
     options.sdkSummary = sdkRoot.resolve('outline.dill');
   }
 
-  var entrypoints = [
-    entryUri,
-    // These extra libraries are added to match the same set of libraries
-    // scanned by default by the VM and the other benchmarks.
-    Uri.parse('dart:async'),
-    Uri.parse('dart:collection'),
-    Uri.parse('dart:convert'),
-    Uri.parse('dart:core'),
-    Uri.parse('dart:developer'),
-    Uri.parse('dart:_internal'),
-    Uri.parse('dart:io'),
-    Uri.parse('dart:isolate'),
-    Uri.parse('dart:math'),
-    Uri.parse('dart:mirrors'),
-    Uri.parse('dart:typed_data'),
-  ];
-  var program = await kernelForComponent(entrypoints, options);
+  var program = await kernelForComponent([entryUri], options);
 
   timer.stop();
   var name = 'kernel_gen_e2e${compileSdk ? "" : "_sum"}';
diff --git a/runtime/observatory/tests/service/service_kernel.status b/runtime/observatory/tests/service/service_kernel.status
index 472019f..35be1d2 100644
--- a/runtime/observatory/tests/service/service_kernel.status
+++ b/runtime/observatory/tests/service/service_kernel.status
@@ -108,6 +108,7 @@
 # These are the non-kernel specific versions so skip tests and allow errors.
 [ $compiler == dartk ]
 add_breakpoint_rpc_test: SkipByDesign # non-kernel specific version of add_breakpoint_rpc_kernel_test.
+bad_reload_test: RuntimeError # Issue 34025
 evaluate_activation_in_method_class_test: RuntimeError
 evaluate_activation_test/instance: RuntimeError # http://dartbug.com/20047
 evaluate_activation_test/scope: RuntimeError # http://dartbug.com/20047
diff --git a/tests/compiler/dart2js/end_to_end/user_crash_test.dart b/tests/compiler/dart2js/end_to_end/user_crash_test.dart
index 508dec5..27ecab2 100644
--- a/tests/compiler/dart2js/end_to_end/user_crash_test.dart
+++ b/tests/compiler/dart2js/end_to_end/user_crash_test.dart
@@ -5,11 +5,15 @@
 import 'dart:async';
 import 'package:async_helper/async_helper.dart';
 import 'package:expect/expect.dart';
+import 'package:front_end/src/fasta/messages.dart'
+    show templateCantReadFile, messageMissingMain;
 import 'package:compiler/compiler_new.dart';
 import '../helpers/memory_compiler.dart';
 
 final EXCEPTION = 'Crash-marker';
 
+final Uri entryPoint = Uri.parse('memory:main.dart');
+
 main() {
   runTests() async {
     test('Empty program', await run());
@@ -39,9 +43,11 @@
             packagesDiscoveryProvider: (_) => new Future.error(EXCEPTION)),
         expectedExceptions: [EXCEPTION]);
 
+    var cantReadFile =
+        templateCantReadFile.withArguments(entryPoint, EXCEPTION);
     List<String> expectedLines = [
-      'Error: Input file not found: memory:main.dart.',
-      'memory:main.dart:\nError: Crash-marker',
+      "Error: ${cantReadFile.message}",
+      "${entryPoint}:\nError: ${messageMissingMain.message}",
     ];
     test('Throw in input provider',
         await run(memorySourceFiles: new CrashingMap()),
@@ -69,7 +75,7 @@
       "Unexpected number of exceptions.");
   for (int i = 0; i < expectedLines.length; i++) {
     if (expectedLines[i] != null) {
-      Expect.equals(expectedLines[i], result.lines[i]);
+      Expect.stringEquals(expectedLines[i], result.lines[i]);
     }
   }
 }
@@ -82,7 +88,7 @@
   await runZoned(() async {
     try {
       await runCompiler(
-          entryPoint: Uri.parse('memory:main.dart'),
+          entryPoint: entryPoint,
           memorySourceFiles: memorySourceFiles,
           diagnosticHandler: diagnostics,
           packagesDiscoveryProvider: packagesDiscoveryProvider);
diff --git a/tests/standalone_2/standalone_2_kernel.status b/tests/standalone_2/standalone_2_kernel.status
index 347a812..3019ae9 100644
--- a/tests/standalone_2/standalone_2_kernel.status
+++ b/tests/standalone_2/standalone_2_kernel.status
@@ -37,9 +37,6 @@
 [ $compiler == dartkb ]
 no_lazy_dispatchers_test: SkipByDesign # KBC interpreter doesn't support --no_lazy_dispatchers
 
-[ $compiler == fasta ]
-io/arguments_test: CompileTimeError
-
 [ $fasta ]
 deferred_transitive_import_error_test: CompileTimeError
 package/package1_test: CompileTimeError