} else {
					val = fmt.Sprintf("%T(%v)", out, out)
				}
				fmt.Fprintf(&buf, "\t%s, // %s(%s)\n", val, m.Name, argstr)
			} else if p >= len(regressGolden) {
				t.Errorf("r.%s(%s) = %v, missing golden value", m.Name, argstr, out)
			} else {
				want := regressGolden[p]
				if m.Name == "Int" {
					want = int64(int(uint(want.(int64)) << 1 >> 1))
				}
				if m.Name == "Uint" {
					want = uint64(uint(want.(uint64)))