1// RUN: %clang_cc1 -fsyntax-only -verify -Wno-undef %s 2// rdar://2362963 3 4#if FOO // ok. 5#endif 6 7#pragma GCC diagnostic warning "-Wundef" 8 9#if FOO // expected-warning {{'FOO' is not defined}} 10#endif 11 12#pragma GCC diagnostic ignored "-Wun" "def" 13 14#if FOO // ok. 15#endif 16 17#pragma GCC diagnostic error "-Wundef" 18 19#if FOO // expected-error {{'FOO' is not defined}} 20#endif 21 22 23#define foo error 24#pragma GCC diagnostic foo "-Wundef" // expected-warning {{pragma diagnostic expected 'error', 'warning', 'ignored', 'fatal', 'push', or 'pop'}} 25 26#pragma GCC diagnostic error 42 // expected-error {{expected string literal in pragma diagnostic}} 27 28#pragma GCC diagnostic error "-Wundef" 42 // expected-warning {{unexpected token in pragma diagnostic}} 29#pragma GCC diagnostic error "invalid-name" // expected-warning {{pragma diagnostic expected option name (e.g. "-Wundef")}} 30 31#pragma GCC diagnostic error "-Winvalid-name" // expected-warning {{unknown warning group '-Winvalid-name', ignored}} 32 33