for i := 0; i < 2; i++ {
		slr := NewReader(b, i == 0)
		g32 := slr.ReadUint32()
		if g32 != e32 {
			t.Fatalf("slr.ReadUint32() got %d want %d", g32, e32)
		}
		g64 := slr.ReadUint64()
		if g64 != e64 {
			t.Fatalf("slr.ReadUint64() got %d want %d", g64, e64)
		}
		g32 = uint32(slr.ReadULEB128())
		if g32 != e32 {
			t.Fatalf("slr.ReadULEB128() got %d want %d", g32, e32)
		}
		g64 = slr.ReadULEB128()
		if g64 != e64 {

		println("bad f16", got)
	}
	if got := f8(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1); got != 0xff {
		println("bad f8", got)
	}
	if got := g32(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xffffffff); got != -1 {
		println("bad g32", got)
	}
	if got := g16(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xffff); got != -1 {
		println("bad g16", got)
	}

	ErrorTest{"float64 0/0", func() { use(f / g) }, ""},
	ErrorTest{"float32 0/0", func() { use(f32 / g32) }, ""},
	ErrorTest{"float64 0/0", func() { use(f64 / g64) }, ""},

	ErrorTest{"float64 1/0", func() { use(h / g) }, ""},
	ErrorTest{"float32 1/0", func() { use(h32 / g32) }, ""},
	ErrorTest{"float64 1/0", func() { use(h64 / g64) }, ""},
	ErrorTest{"float64 inf/0", func() { use(inf / g64) }, ""},

func TestFloatSignalingNaN(t *testing.T) {
	// Make sure we generate a signaling NaN from a constant properly.
	// See issue 36400.
	f32 := math.Float32frombits(snan32bits)
	g32 := math.Float32frombits(snan32bitsVar)
	x32 := math.Float32bits(f32)
	y32 := math.Float32bits(g32)
	if x32 != y32 {
		t.Errorf("got %x, want %x (diff=%x)", x32, y32, x32^y32)
	}

	f64 := math.Float64frombits(snan64bits)

	var y int32 = -2147483648
	var z int64 = -9223372036854775808

	for i := -5; i < 0; i++ {
		g8 = w / int8(i)
		g16 = x / int16(i)
		g32 = y / int32(i)
		g64 = z / int64(i)
		g8 = w % int8(i)
		g16 = x % int16(i)
		g32 = y % int32(i)
		g64 = z % int64(i)
	}
}

//go:noinline
func divisible_int8_2to1(x int8) bool {
	return x%(1<<1) == 0
}

//go:noinline