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/* PR tree-optimization/20139
This testcase is derived from gcc.dg/20020720-1.c. Here we check
that the optimization happens at tree level. */
/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-final_cleanup" } */
extern double fabs (double);
extern void link_error (void);
void
foo (double x)
{
double p, q;
p = fabs (x);
q = 0.0;
if (p < q)
link_error ();
}
/* { dg-final { scan-tree-dump-times "link_error" 0 "final_cleanup" } } */
/* { dg-final { cleanup-tree-dump "final_cleanup" } } */
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