diff --git a/pkg/analysis_server/test/domain_completion_test.dart b/pkg/analysis_server/test/domain_completion_test.dart
index f8d4a77..5a877b3 100644
--- a/pkg/analysis_server/test/domain_completion_test.dart
+++ b/pkg/analysis_server/test/domain_completion_test.dart
@@ -189,7 +189,6 @@
         relevance: DART_RELEVANCE_LOCAL_FIELD);
   }
 
-  @FailingTest(issue: 'https://github.com/dart-lang/sdk/issues/33992')
   test_constructor2() async {
     addTestFile('class A {bool foo; A() : s^;}');
     await getSuggestions();
@@ -208,7 +207,6 @@
         relevance: DART_RELEVANCE_LOCAL_FIELD);
   }
 
-  @FailingTest(issue: 'https://github.com/dart-lang/sdk/issues/33992')
   test_constructor4() async {
     addTestFile('class A {bool foo; A() : a=7,s^;}');
     await getSuggestions();
@@ -218,7 +216,6 @@
         relevance: DART_RELEVANCE_LOCAL_FIELD);
   }
 
-  @FailingTest(issue: 'https://github.com/dart-lang/sdk/issues/33992')
   test_constructor5() async {
     addTestFile('class A {bool foo; A() : a=7,s^}');
     await getSuggestions();
diff --git a/pkg/analyzer/test/src/fasta/recovery/partial_code/constructor_test.dart b/pkg/analyzer/test/src/fasta/recovery/partial_code/constructor_test.dart
index 63bb9aa..3f834fd 100644
--- a/pkg/analyzer/test/src/fasta/recovery/partial_code/constructor_test.dart
+++ b/pkg/analyzer/test/src/fasta/recovery/partial_code/constructor_test.dart
@@ -31,7 +31,17 @@
               ParserErrorCode.MISSING_ASSIGNMENT_IN_INITIALIZER,
               ParserErrorCode.MISSING_FUNCTION_BODY
             ],
-            'C() : _s_ = f {}',
+            'C() : f = _s_ {}',
+            adjustValidUnitBeforeComparison: setSeparator,
+          ),
+          new TestDescriptor(
+            'colon_field_increment',
+            'C() : f++',
+            [
+              ParserErrorCode.MISSING_ASSIGNMENT_IN_INITIALIZER,
+              ParserErrorCode.MISSING_FUNCTION_BODY
+            ],
+            'C() : _s_ = f++ {}',
             adjustValidUnitBeforeComparison: setSeparator,
           ),
           new TestDescriptor(
diff --git a/pkg/front_end/lib/src/fasta/parser/parser.dart b/pkg/front_end/lib/src/fasta/parser/parser.dart
index dd3f1ce..0ffe218 100644
--- a/pkg/front_end/lib/src/fasta/parser/parser.dart
+++ b/pkg/front_end/lib/src/fasta/parser/parser.dart
@@ -2430,10 +2430,21 @@
       }
       // Fall through to recovery
     } else if (next.isIdentifier) {
-      if (optional('=', next.next)) {
+      Token next2 = next.next;
+      if (optional('=', next2)) {
         return parseInitializerExpressionRest(token);
       }
-      // Fall through to recovery
+      // Recovery: If this looks like an expression,
+      // then fall through to insert the LHS and `=` of the assignment,
+      // otherwise insert an `=` and synthetic identifier.
+      if (!next2.isOperator && !optional('.', next2)) {
+        token = rewriter.insertToken(
+            next, new SyntheticToken(TokenType.EQ, next2.offset));
+        token = insertSyntheticIdentifier(token, IdentifierContext.expression,
+            message: fasta.messageMissingAssignmentInInitializer,
+            messageOnToken: next);
+        return parseInitializerExpressionRest(beforeExpression);
+      }
     } else {
       // Recovery: Insert a synthetic assignment.
       token = insertSyntheticIdentifier(
@@ -2444,9 +2455,10 @@
       token = rewriter.insertSyntheticIdentifier(token);
       return parseInitializerExpressionRest(beforeExpression);
     }
-    // Recovery
-    // Insert a sythetic assignment to ensure that the expression is indeed
-    // an assignment. Failing to do so causes this test to fail:
+    // Recovery:
+    // Insert a synthetic identifier and assignment operator
+    // to ensure that the expression is indeed an assignment.
+    // Failing to do so causes this test to fail:
     // pkg/front_end/testcases/regress/issue_31192.dart
     // TODO(danrubel): Investigate better recovery.
     token = insertSyntheticIdentifier(