var mapaccess2 = mkmapnames("mapaccess2", "")
var mapassign = mkmapnames("mapassign", "ptr")
var mapdelete = mkmapnames("mapdelete", "")

func mapfast(t *types.Type) int {
	if t.Elem().Size() > abi.MapMaxElemBytes {
		return mapslow
	}
	switch reflectdata.AlgType(t.Key()) {
	case types.AMEM32:
		if !t.Key().HasPointers() {
			return mapfast32
		}
		if types.PtrSize == 4 {
			return mapfast32ptr
		}

		if len(k.s) != 1 {
			t.Errorf("len(k.s) == %d, want 1", len(k.s))
		}
	}
}

func TestMapValues(t *testing.T) {
	type val struct {
		s   string
		pad [128]byte // sizeof(val) > abi.MapMaxElemBytes
	}
	m := map[int]val{1: {s: "a"}, 2: {s: "b"}}
	vals := make([]val, 0, len(m))
	runtime.MapValues(m, unsafe.Pointer(&vals))
	for _, v := range vals {
		if len(v.s) != 1 {