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