fis, err := td.Readdir(0)
	if err != nil {
		t.Fatal(err)
	}
	for _, fi := range fis {
		if !fi.IsDir() {
			continue
		}

		// TODO(gri) remove extra pkg directory eventually
		goldenFile := filepath.Join("testdata", "src", "pkg", fi.Name(), "golden.txt")
		w := NewWalker(nil, "testdata/src/pkg")
		pkg, _ := w.import_(fi.Name())
		w.export(pkg)

		if *updateGolden {
			os.Remove(goldenFile)

	output, err := exec.Command(swig, "-go", "-swiglib").Output()
	if err != nil {
		t.Skip("swig is missing Go support")
	}
	swigDir := strings.TrimSpace(string(output))

	_, err = os.Stat(filepath.Join(swigDir, "go"))
	if err != nil {
		t.Skip("swig is missing Go support")
	}

	// Check that swig has a new enough version.
	// See https://golang.org/issue/22858.

		if err != nil || srcPath == srcRoot {
			return err
		}

		suffix := strings.TrimPrefix(srcPath, srcRoot)
		for len(suffix) > 0 && suffix[0] == filepath.Separator {
			suffix = suffix[1:]
		}
		dstPath := filepath.Join(dstRoot, suffix)

		perm := info.Mode() & os.ModePerm
		if info.Mode()&os.ModeSymlink != 0 {
			info, err = os.Stat(srcPath)
			if err != nil {
				return err
			}
			perm = info.Mode() & os.ModePerm
		}

		s := r.data[r.step]
		n = copy(p, s)
		r.step++
	} else {
		err = io.EOF
	}
	return
}

func readRuneSegments(t *testing.T, segments []string) {
	got := ""
	want := strings.Join(segments, "")
	r := NewReader(&StringReader{data: segments})
	for {
		r, _, err := r.ReadRune()
		if err != nil {
			if err != io.EOF {
				return
			}
			break
		}
		got += string(r)
	}

//   }
// }
//
// void cleanup(void) {
//   int i;
//   pthread_mutex_lock(&mu);
//   all_done = 1;
//   pthread_mutex_unlock(&mu);
//   for (i = 0; i < nts; i++) {
//     pthread_join(t[i], NULL);
//   }
//   pthread_mutex_destroy(&mu);
//   free(t);
// }
import "C"

// compareStatus is used to confirm the contents of the thread
// specific status files match expectations.

		case '/':
			//-style comment (no newline at the end)
			c = c[2:] + "\n"
		case '*':
			/*-style comment */
			c = c[2 : len(c)-2]
		}
		pieces = append(pieces, c)
	}
	return strings.Join(pieces, "")
}

func (f *File) validateIdents(x interface{}, context astContext) {
	if x, ok := x.(*ast.Ident); ok {
		if f.isMangledName(x.Name) {

		z, err = NewReader(rat, size)
		raw = make([]byte, size)
		if _, err := rat.ReadAt(raw, 0); err != nil {
			t.Errorf("ReadAt error=%v", err)
			return
		}
	} else {
		path := filepath.Join("testdata", zt.Name)
		if zt.Obscured {
			tf, err := obscuretestdata.DecodeToTempFile(path)
			if err != nil {
				t.Errorf("obscuretestdata.DecodeToTempFile(%s): %v", path, err)
				return
			}

	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")
	out, err := testenv.Command(t, testenv.GoToolPath(t), "test", "-c", "-o", exepath, "cmd/addr2line").CombinedOutput()
	if err != nil {

	if len(lines[len(lines)-1]) == 0 {
		lines = lines[:len(lines)-1]
	}
	return lines
}

func output(cmd *exec.Cmd) []byte {
	out, err := cmd.Output()
	if err != nil {
		fmt.Println(strings.Join(cmd.Args, "\n"))
		fmt.Fprintln(os.Stderr, err)
		os.Exit(1)
	}
	return out
}

func check(err error) {
	if err != nil {
		fail(err.Error())
	}
}

		return 0, err
	}
	var deviceCwd string
	if isStd {
		// Note that we use path.Join here instead of filepath.Join:
		// The device paths should be slash-separated even if the go_android_exec
		// wrapper itself is compiled for Windows.
		deviceCwd = path.Join(deviceGoroot, "src", importPath)
	} else {
		deviceCwd = path.Join(deviceGopath, "src", importPath)
		if modDir != "" {