clang/test/Preprocessor/has_c_attribute.cpp


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// RUN: %clang_cc1 -std=c++11 %s -verify

#if __has_c_attribute(fallthrough) // expected-error {{function-like macro '__has_c_attribute' is not defined}}
#endif

#if __has_c_attribute(gnu::transparent_union) // expected-error {{function-like macro '__has_c_attribute' is not defined}}
#endif