Check if the method / accessor being inlined is synthetic.

pkg/analysis_server/test/services/refactoring/inline_method_test.dart

 // Copyright (c) 2014, 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.services.refactoring.inline_method;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/protocol.dart' hide Element;
 import 'package:analysis_server/src/services/refactoring/inline_method.dart';
@@ skipping 143 matching lines @@
     indexTestUnit(r'''
 class A {
   operator -(other) => this;
 }
 ''');
     _createRefactoring('-(other)');
     // error
     return _assertConditionsFatal('Cannot inline operator.');
   }
 
+  test_bad_propertyAccessor_synthetic() {
+    indexTestUnit(r'''
+class A {
+  int fff;
+}
+
+main(A a) {
+  print(a.fff);
+}
+''');
+    _createRefactoring('fff);');
+    // error
+    return _assertInvalidSelection();
+  }
+
   test_bad_reference_toClassMethod() {
     indexTestUnit(r'''
 class A {
   test(a, b) {
     print(a);
     print(b);
   }
 }
 main() {
   print(new A().test);
@@ skipping 1244 matching lines @@
         });
       });
     });
   }
 
   void _createRefactoring(String search) {
     int offset = findOffset(search);
     refactoring = new InlineMethodRefactoring(searchEngine, testUnit, offset);
   }
 }