More shared messages.

pkg/compiler/lib/src/diagnostics/generated/shared_messages.dart

 // Copyright (c) 2015, 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.
 /*
 DON'T EDIT. GENERATED. DON'T EDIT.
 This file has been generated by 'publish.dart' in the dart_messages package.
 
 Messages are maintained in `lib/shared_messages.dart` of that same package.
 After any change to that file, run `bin/publish.dart` to generate a new version
 of the json, dart2js and analyzer representations.
@@ skipping 55 matching lines @@
     ]
   ),  // Generated. Don't edit.
   MessageKind.CONSTRUCTOR_WITH_RETURN_TYPE: const MessageTemplate(
     MessageKind.CONSTRUCTOR_WITH_RETURN_TYPE,
     "Constructors can't have a return type",
     howToFix: "Try removing the return type.",
     examples: const [
       "class A { int A() {} } main() { new A(); }",
     ]
   ),  // Generated. Don't edit.
+  MessageKind.RETURN_IN_GENERATIVE_CONSTRUCTOR: const MessageTemplate(
+    MessageKind.RETURN_IN_GENERATIVE_CONSTRUCTOR,
+    "Constructors can't return values.",
+    howToFix: "Try removing the return statement or using a factory constructor.",
+    examples: const [
+      r"""
+        class C {
+          C() {
+            return 1;
+          }
+        }
+
+        main() => new C();""",
+    ]
+  ),  // Generated. Don't edit.
+  MessageKind.RETURN_IN_GENERATOR: const MessageTemplate(
+    MessageKind.RETURN_IN_GENERATOR,
+    "Can't return a value from a generator function (using the '#{modifier}' modifier).",
+    howToFix: "Try removing the value, replacing 'return' with 'yield' or changing the method body modifier",
+    examples: const [
+      r"""
+        foo() async* { return 0; }
+        main() => foo();
+        """,
+      r"""
+        foo() sync* { return 0; }
+        main() => foo();
+        """,
+    ]
+  ),  // Generated. Don't edit.
 };