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/* { 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" } } */
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