IDL compiler: [GarbageCollected] on other interface

Source/bindings/tests/idls/TestInterfacePython.idl

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 22 matching lines @@
     Conditional=CONDITION,
     Custom=LegacyCallAsFunction|ToV8,
     ImplementedAs=TestInterfacePythonImplementation,
     RuntimeEnabled=FeatureName,
     SetWrapperReferenceTo(ReferencedType referencedName),
     StrictTypeChecking,
 ] interface TestInterfacePython : TestInterfaceEmpty {
     // members needed to test [ImplementedAs], as this affect attribute
     // configuration and method configuration, and [StrictTypeChecking]
     const unsigned long UNSIGNED_LONG = 0;
-    attribute TestInterfacePython testInterfacePythonAttribute;  // Self-referential interface type with [ImplementedAs]
+    attribute TestInterfacePython testInterfacePythonAttribute; // Self-referential interface type with [ImplementedAs]
     static attribute DOMString staticStringAttribute;
     void voidMethodTestInterfaceEmptyArg(TestInterfaceEmpty testInterfaceEmptyArg);
     [PerWorldBindings] attribute DOMString perWorldBindingsStringAttribute;
     [PerWorldBindings] void voidMethod();
 };
 
 TestInterfacePython implements TestImplements;
 TestInterfacePython implements TestImplements2;
 TestInterfacePython implements TestImplements3;