/* { dg-do run } */
/* { dg-options "-O2 -finstrument-functions" } */

double
foo (double a, double b)
{
  double c;
  if (0.0 < a)
    c = a;
  else if (b > 0.0)
    c = 0.0;
  else
    return 0;
  return 2.0 * (b - c);
}

int main ()
{
  if (foo (1.0, 4.0) != 6.0)
    abort ();
  exit (0);
}

void __attribute__((no_instrument_function)) __cyg_profile_func_enter() { }
void __attribute__((no_instrument_function)) __cyg_profile_func_exit() { } 
