p := c.parent
	p.mu.Lock()
	defer p.mu.Unlock()

	c.mu.Lock()
	defer c.mu.Unlock()

	if len(c.output) > 0 {
		// Add the current c.output to the print,
		// and then arrange for the print to replace c.output.
		// (This displays the logged output after the --- FAIL line.)
		format += "%s"
		args = append(args[:len(args):len(args)], c.output)
		c.output = c.output[:0]
	}

	// and turn off -s internally: the external linker needs the symbol
	// information for its final link.
	debug_s = *FlagS
	*FlagS = false

	// create temporary directory and arrange cleanup
	if *flagTmpdir == "" {
		dir, err := os.MkdirTemp("", "go-link-")
		if err != nil {
			log.Fatal(err)
		}
		*flagTmpdir = dir
		ownTmpDir = true
		AtExit(func() {

	if s != "new" {
		t.Fatalf("writeFile: after truncate have %q want %q", s, "new")
	}
}

func TestStatDirWithTrailingSlash(t *testing.T) {
	t.Parallel()

	// Create new temporary directory and arrange to clean it up.
	path := t.TempDir()

	// Stat of path should succeed.
	if _, err := Stat(path); err != nil {
		t.Fatalf("stat %s failed: %s", path, err)
	}

	// For names, find out whether they are integer constants.
	// We used to look at specific warning or error messages here, but that tied the
	// behavior too closely to specific versions of the compilers.
	// Instead, arrange that we can infer what we need from only the presence or absence
	// of an error on a specific line.
	//
	// For each name, we generate these lines, where xxx is the index in toSniff plus one.
	//