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 #ifdef macro
9 #error #define invalid
10 #endif
11