func TestAddr2Line(t *testing.T) {
	testenv.MustHaveGoBuild(t)

	tmpDir, err := os.MkdirTemp("", "TestAddr2Line")
	if err != nil {
		t.Fatal("TempDir failed: ", err)
	}
	defer os.RemoveAll(tmpDir)

	// Build copy of test binary with debug symbols,
	// since the one running now may not have them.
	exepath := filepath.Join(tmpDir, "testaddr2line_test.exe")

pkg mime/multipart, func NewReader(io.Reader, string) *Reader
pkg mime/multipart, func NewWriter(io.Writer) *Writer
pkg mime/multipart, method (*FileHeader) Open() (File, error)
pkg mime/multipart, method (*Form) RemoveAll() error
pkg mime/multipart, method (*Part) Close() error
pkg mime/multipart, method (*Part) FileName() string
pkg mime/multipart, method (*Part) FormName() string

}

func runMain() (int, error) {
	var err error
	tmpdir, err = os.MkdirTemp("", "go_ios_exec_")
	if err != nil {
		return 1, err
	}
	if !debug {
		defer os.RemoveAll(tmpdir)
	}

	appdir := filepath.Join(tmpdir, "gotest.app")
	os.RemoveAll(appdir)

	if err := assembleApp(appdir, os.Args[1]); err != nil {
		return 1, err
	}

	// This wrapper uses complicated machinery to run iOS binaries. It