1// RUN: %clang_cc1 %s -verify -Wall
2
3_Pragma ("GCC system_header")  // expected-warning {{system_header ignored in main file}}
4
5// rdar://6880630
6_Pragma("#define macro")    // expected-warning {{unknown pragma ignored}}
7
8_Pragma("") // expected-warning {{unknown pragma ignored}}
9_Pragma("message(\"foo \\\\\\\\ bar\")") // expected-warning {{foo \\ bar}}
10
11#ifdef macro
12#error #define invalid
13#endif
14