Implement SyntheticVariableElementForLink.isSynthetic.

pkg/analyzer/test/src/summary/linker_test.dart

 // Copyright (c) 2016, 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/summary/format.dart';
 import 'package:analyzer/src/summary/link.dart';
 import 'package:unittest/unittest.dart';
 
 import '../../reflective_tests.dart';
 import 'summarize_ast_test.dart';
@@ skipping 20 matching lines @@
     Map<String, LinkedLibraryBuilder> linkedLibraries =
         setupForLink(linkerInputs.linkedLibraries, linkerInputs.getUnit);
     linker = new Linker(linkedLibraries, linkerInputs.getDependency,
         linkerInputs.getUnit, true);
   }
 
   LibraryElementForLink getLibrary(String uri) {
     return linker.getLibrary(Uri.parse(uri));
   }
 
+  void test_baseClass_genericWithAccessor() {
+    createLinker('''
+class B<T> {
+  int get i => null;
+}
+class C<U> extends B<U> {
+  var j;
+}
+    ''');
+    LibraryElementForLink library = linker.getLibrary(linkerInputs.testDartUri);
+    library.libraryCycleForLink.ensureLinked();
+    // No assertions--just make sure it doesn't crash.
+  }
+
   void test_baseClass_withPrivateField() {
     createLinker('''
 class B {
   var _b;
 }
 class C extends B {
   var c;
 }
 ''');
     LibraryElementForLink library = linker.getLibrary(linkerInputs.testDartUri);
@@ skipping 354 matching lines @@
     addNamedSource('/b.dart', '');
     createLinker('import "a.dart"; import "b.dart";');
     LibraryElementForLink libA = getLibrary('file:///a.dart');
     LibraryElementForLink libB = getLibrary('file:///b.dart');
     LibraryCycleForLink libraryCycle = testLibrary.libraryCycleForLink;
     expect(libraryCycle.dependencies,
         unorderedEquals([libA.libraryCycleForLink, libB.libraryCycleForLink]));
     expect(libraryCycle.libraries, [testLibrary]);
   }
 }