Fix for resynthesizing invalid @functionName() annotations.

pkg/analyzer/test/src/summary/resynthesize_common.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.
 
 library test.src.serialization.elements_test;
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/standard_resolution_map.dart';
 import 'package:analyzer/dart/constant/value.dart';
 import 'package:analyzer/dart/element/element.dart';
@@ skipping 4047 matching lines @@
 
   test_metadata_functionTypedFormalParameter_withDefault() {
     checkLibrary('const a = null; f([@a g() = null]) {}');
   }
 
   test_metadata_importDirective() {
     addLibrarySource('/foo.dart', 'const b = null;');
     checkLibrary('@a import "foo.dart"; const a = b;');
   }
 
+  test_metadata_invalid_classDeclaration() {
+    checkLibrary('f(_) {} @f(42) class C {}');
+  }
+
   test_metadata_libraryDirective() {
     checkLibrary('@a library L; const a = null;');
   }
 
   test_metadata_methodDeclaration_getter() {
     checkLibrary('const a = null; class C { @a get m => null; }');
   }
 
   test_metadata_methodDeclaration_method() {
     checkLibrary('const a = null; class C { @a m() {} }');
@@ skipping 758 matching lines @@
       fail('Unexpectedly tried to get unlinked summary for $uri');
     }
     return serializedUnit;
   }
 
   @override
   bool hasLibrarySummary(String uri) {
     return true;
   }
 }