/* PR optimization/7520 *//* ICE at -O3 on x86 due to register life problems caused by   the return-without-value in bar.  */intfoo (){  int i;  long long int j;  while (1)    {      if (j & 1)	++i;      j >>= 1;      if (j)	return i;    }}intbar (){  if (foo ())    return;}