| /* Test warning for ordered comparison pointer with null pointer constant. */ |
| /* Test with -Wextra. */ |
| /* { dg-do compile } */ |
| /* { dg-options "-Wextra" } */ |
| extern void z(); |
| void *p; |
| |
| void f() { |
| if (z >= 0) /* { dg-warning "ordered comparison of pointer with" } */ |
| z(); |
| if (0 >= z) /* { dg-warning "ordered comparison of pointer with" } */ |
| z(); |
| if (p >= (void*)0) /* { dg-warning "ordered comparison of pointer with null pointer" } */ |
| z(); |
| if ((void*)0 >= p) /* { dg-warning "ordered comparison of pointer with null pointer" } */ |
| z(); |
| if (z >= (void*)0) /* { dg-warning "distinct pointer types lacks a cast" } */ |
| z(); |
| if ((void*)0 >=z) /* { dg-warning "distinct pointer types lacks a cast" } */ |
| z(); |
| } |
