|  | // RUN: %clang_cc1 %s -fsyntax-only -verify
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							|  | // expected-no-diagnostics
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							|  | // rdar://8632525
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							|  | 
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							|  | typedef struct objc_class *Class;
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							|  | typedef struct objc_object {
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							|  |     Class isa;
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							|  | } *id;
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							|  | 
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							|  | 
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							|  | typedef struct objc_selector *SEL;
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							|  | extern id objc_msgSend(id self, SEL op, ...);
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							|  | 
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