| // PR preprocessor/80005 | |
| // { dg-do preprocess } | |
| #undef vector | |
| #define vector NOPE | |
| #ifdef __has_include | |
| #if !__has_include (<vector>) | |
| #error "Header 'vector' could not be found" | |
| #endif | |
| #define F(X) __has_include (X) | |
| #if !F (<vector>) | |
| #error "Header 'vector' could not be found" // { dg-error "not be found" } | |
| #endif | |
| #if __has_include ("not an escape! \") // comment | |
| #endif | |
| #if F ("is an escape \") gibberish ") | |
| #endif | |
| #else | |
| #error "No __has_include" | |
| #endif |