clang/test/Preprocessor/_Pragma.c


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// RUN: %clang_cc1 %s -verify -Wall

_Pragma ("GCC system_header")  // expected-warning {{system_header ignored in main file}}

// rdar://6880630
_Pragma("#define macro")    // expected-warning {{unknown pragma ignored}}

_Pragma("") // expected-warning {{unknown pragma ignored}}
_Pragma("message(\"foo \\\\\\\\ bar\")") // expected-warning {{foo \\ bar}}

#ifdef macro
#error #define invalid
#endif