// as not-pointers or vice-versa because of copy
		// elision.
		if to.IsPtrShaped() != from.IsPtrShaped() {
			return s.newValue2(ssa.OpConvert, to, x, s.mem())
		}

		v := s.newValue1(ssa.OpCopy, to, x) // ensure that v has the right type

		// CONVNOP closure
		if to.Kind() == types.TFUNC && from.IsPtrShaped() {
			return v
		}

		// named <--> unnamed type or typed <--> untyped const

func is16BitInt(t *types.Type) bool {
	return t.Size() == 2 && t.IsInteger()
}

func is8BitInt(t *types.Type) bool {
	return t.Size() == 1 && t.IsInteger()
}

func isPtr(t *types.Type) bool {
	return t.IsPtrShaped()
}

// mergeSym merges two symbolic offsets. There is no real merging of
// offsets, we just pick the non-nil one.
func mergeSym(x, y Sym) Sym {
	if x == nil {
		return y
	}
	if y == nil {