| // RUN: %clang_cc1 -triple x86_64-apple-macosx -fsyntax-only -verify -x objective-c++ %s -o /dev/null | |
| // REQUIRES: asserts | |
| struct objc_class { | |
| unsigned long long bits; | |
| }; | |
| typedef struct objc_class *Class; | |
| static void f(Class c) { (void)(c->bits & RW_HAS_OVERFLOW_REFCOUNT); } | |
| // expected-error@-1{{use of undeclared identifier 'RW_HAS_OVERFLOW_REFCOUNT}} |