| // Test that "nonnull" attribute works for C++. | |
| // Origin: Joseph Myers <jsm@polyomino.org.uk> | |
| // { dg-do compile } | |
| // { dg-options "-Wall" } | |
| // The "nonnull" attribute is thoroughly tested for C, so here we | |
| // simply test that it works at all, as at one point the relevant | |
| // checking code was only called for C. | |
| extern void f (char *) __attribute__((nonnull)); | |
| void | |
| g () | |
| { | |
| f (0); // { dg-warning "null" "null argument" } | |
| } |