/* { dg-do compile } */ | |
/* { dg-options "-O1 -fdump-tree-optimized" } */ | |
extern void link_error (void); | |
void | |
foo (int b) | |
{ | |
int a; | |
a = b + 2; | |
a--; | |
a--; | |
if (a != b) | |
link_error (); | |
} | |
/* The comparison should be eliminated, there should be no reference | |
to link_error. */ | |
/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */ |