optimized out arguments

optout.c

__attribute__((noinline))
int fn1 (long int x, long int y, long int z) {
        int l = x * 2;
        int q = y * z;
        return l + q;
}

__attribute__((noinline)) long int
fn2 (long int a, long int b, long int c)
{
  long int q = 2 * a;
  return fn1 (5, 6, 7);
}

int main(void) {
        return fn2(14, 23, 34);
}