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/* { 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"} } */
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