gcc/testsuite/gcc.c-torture/execute/pr107879.c


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/* PR tree-optimization/107879 */

__attribute__((noipa)) static double
foo (double *y)
{
  volatile int ph = 0;
  volatile double vf = 1.0;
  double factor = vf;
  double x = - (double) ph * factor;
  if (x == 0)
    *y = 1.0;
  else
    *y = 1.0 / x;
  double w = 2.0 * x / factor;
  double omww = 1 - w;
  return omww > 0.0 ? omww : 0.0;
}

int
main ()
{
  double y = 42.0;
  if (foo (&y) != 1.0)
    __builtin_abort ();
}