pwd := xgetwd()
	src := pathf("%s/src/", goroot)
	real_src := xrealwd(src)
	if !strings.HasPrefix(pwd, real_src) {
		fatalf("current directory %s is not under %s", pwd, real_src)
	}
	pwd = pwd[len(real_src):]
	// guard against xrealwd returning the directory without the trailing /
	pwd = strings.TrimPrefix(pwd, "/")

	return pwd
}

			f0, err := Stat(".")
			if err != nil {
				t.Error(err)
				return
			}
			pwd, err := Getwd()
			if err != nil {
				t.Errorf("Getwd: %v", err)
				return
			}
			if pwd != d {
				t.Errorf("Getwd() = %q, want %q", pwd, d)
				return
			}
			f1, err := Stat(pwd)
			if err != nil {
				t.Error(err)
				return
			}
			if !SameFile(f0, f1) {

				tg.t.Fatalf("internal testsuite error: call to parallel with testdata in environment (%s)", e)
			}
		}
	}
	tg.inParallel = true
	tg.t.Parallel()
}

// pwd returns the current directory.
func (tg *testgoData) pwd() string {
	tg.t.Helper()
	wd, err := os.Getwd()
	if err != nil {
		tg.t.Fatalf("could not get working directory: %v", err)
	}
	return wd
}

		if runInDir != "" {
			cmd.Dir = runInDir
			// Set PWD to match Dir to speed up os.Getwd in the child process.
			cmd.Env = append(cmd.Env, "PWD="+cmd.Dir)
		} else {
			// Default to running in the GOROOT/test directory.
			cmd.Dir = t.gorootTestDir
			// Set PWD to match Dir to speed up os.Getwd in the child process.
			cmd.Env = append(cmd.Env, "PWD="+cmd.Dir)
		}
		if tempDirIsGOPATH {

		case "getenv":
			fmt.Fprintf(h, "env %s %x\n", name, hashGetenv(name))
		case "chdir":
			pwd = name // always absolute
			fmt.Fprintf(h, "chdir %s %x\n", name, hashStat(name))
		case "stat":
			if !filepath.IsAbs(name) {
				name = filepath.Join(pwd, name)
			}
			if a.Package.Root == "" || search.InDir(name, a.Package.Root) == "" {

// executable name should also be the first argument in argv (["ls", "-l"]).
// envv are the environment variables that should be passed to the new
// process (["USER=go", "PWD=/tmp"]).
func Exec(argv0 string, argv []string, envv []string) error {
	return syscall.Exec(argv0, argv, envv)
}

func Getag(path string) (ccsid uint16, flag uint16, err error) {
	var val [8]byte