| /* { dg-do compile } */ | |
| /* { dg-options "-O -fdump-tree-forwprop1" } */ | |
| /* We should be able to fold the comparison at least with the | |
| first forwprop pass, if not a ccp pass before. */ | |
| extern void link_error (void); | |
| void foo() | |
| { | |
| int i; | |
| char *p = (char *)&i; | |
| long *q = (long *)p; | |
| if (q == 0) | |
| link_error (); | |
| } | |
| /* { dg-final { scan-tree-dump-not "link_error" "forwprop1" } } */ | |
| /* { dg-final { cleanup-tree-dump "forwprop1" } } */ |