1 /* PR tree-optimization/20139
2    This testcase is derived from gcc.dg/20020720-1.c.  Here we check
3    that the optimization happens at tree level.  */
4 
5 /* { dg-do compile } */
6 /* { dg-options "-O2 -fdump-tree-optimized" } */
7 
8 extern double fabs (double);
9 extern void link_error (void);
10 
11 void
foo(double x)12 foo (double x)
13 {
14   double p, q;
15 
16   p = fabs (x);
17   q = 0.0;
18   if (p < q)
19     link_error ();
20 }
21 
22 /* { dg-final { scan-tree-dump-times "link_error" 0 "optimized" } } */
23