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      // RUN: %clang_cc1 -fsyntax-only -verify %s
// RUN: %clang_cc1 -x objective-c++ -fsyntax-only -verify %s
// expected-no-diagnostics
// rdar://10667659
@protocol NSCopying @end
@interface NSString <NSCopying>
@end
void takeId(id test) {}
void takeCopyableId(id<NSCopying> test) {}
id<NSCopying> Test () {
  NSString const *constantString = @"Test";
  takeId(constantString);
  takeCopyableId(constantString);
  id ID = constantString;
  id<NSCopying> IDQNSCopying = constantString;
  return constantString;
}
 
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