1  /* PR tree-optimization/92115 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O1 -fexceptions -ffinite-math-only -fnon-call-exceptions -fsignaling-nans -fno-signed-zeros" } */
       4  
       5  void
       6  foo (double x)
       7  {
       8    if (x == 0.0 && !__builtin_signbit (x))
       9      __builtin_abort ();
      10  }