defer func() {
					*goVersion = old
				}()
			}

			// Apply fix: should get tt.Out.
			out, fixed, ok := parseFixPrint(t, tt.Fn, tt.Name, tt.In, true)
			if !ok {
				return
			}

			// reformat to get printing right
			out, _, ok = parseFixPrint(t, fnop, tt.Name, out, false)
			if !ok {
				return
			}

			if tt.Out == "" {
				tt.Out = tt.In
			}