return int16(x) << uint16(0xffff) << uint16(1)
}

//go:noinline
func overflowConstShift8_ssa(x int64) int8 {
	return int8(x) << uint8(0xff) << uint8(1)
}

func testOverflowConstShift(t *testing.T) {
	want := int64(0)
	for x := int64(-127); x < int64(127); x++ {
		got := overflowConstShift64_ssa(x)
		if want != got {
			t.Errorf("overflowShift64 failed, wanted %d got %d", want, got)
		}