| // RUN: %clang_cc1 %s -Eonly -Werror=undef -verify |
| // RUN: %clang_cc1 %s -Eonly -Werror-undef -verify |
| |
| extern int x; |
| |
| #if foo // expected-error {{'foo' is not defined, evaluates to 0}} |
| #endif |
| |
| #ifdef foo |
| #endif |
| |
| #if defined(foo) |
| #endif |
| |
| |
| // PR3938 |
| #if 0 |
| #ifdef D |
| #else 1 // Should not warn due to C99 6.10p4 |
| #endif |
| #endif |
| |
| // rdar://9475098 |
| #if 0 |
| #else 1 // expected-warning {{extra tokens}} |
| #endif |
| |
| // PR6852 |
| #if 'somesillylongthing' // expected-warning {{character constant too long for its type}} \ |
| // expected-warning {{multi-character character constant}} |
| #endif |