// RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-apple-macosx10.8.0 -fms-extensions -verify typedef struct _GUID { unsigned long Data1; unsigned short Data2; unsigned short Data3; unsigned char Data4[8]; } GUID; struct __declspec(uuid("87654321-4321-4321-4321-ba0987654321")) S { }; GUID g = __uuidof(S); // expected-error {{__uuidof codegen is not supported on this architecture}}