/* { 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" } } */ |