1  /* PR tree-optimization/79333 */
       2  /* { dg-do compile } */
       3  /* { dg-require-effective-target c99_runtime } */
       4  /* { dg-options "-O -ffinite-math-only -fdump-tree-fre1" } */
       5  
       6  extern __inline __attribute__ ((__always_inline__,__gnu_inline__))
       7  double __attribute__ ((__nothrow__ , __leaf__))
       8  fabs (double __x) { return __builtin_fabs (__x); }
       9  
      10  double f(float f)
      11  {
      12    double t1 = fabs(f);
      13    double t2 = f / t1;
      14    return t2;
      15  }
      16  
      17  /* { dg-final { scan-tree-dump "copysign" "fre1" } } */