| /* Test warning for comparison non-null address with null pointer constant. */ | |
| /* Origin: Pawel Sikora <pluto@agmk.net> */ | |
| /* { dg-do compile } */ | |
| /* { dg-options "-Waddress" } */ | |
| extern void z(); | |
| void f() { if ( z ) z(); } /* { dg-warning "always evaluate as" } */ | |
| void g() { if ( z != 0 ) z(); } /* { dg-warning "the comparison will always evaluate as 'true'" } */ | |
| void h() { if ( z != (void*)0 ) z(); } /* { dg-warning "the comparison will always evaluate as 'true'" } */ |