// open-coded defer processing)
	want := []string{"runtime.Callers", "runtime_test.TestCallersPanic.func1",
		"runtime.gopanic", "runtime_test.f3", "runtime_test.f2", "runtime_test.f1",
		"runtime_test.TestCallersPanic"}

	defer func() {
		if r := recover(); r == nil {
			t.Fatal("did not panic")
		}
		pcs := make([]uintptr, 20)
		pcs = pcs[:runtime.Callers(0, pcs)]
		testCallers(t, pcs, true)

}

func TestAuthenticate_clientCertAuthenticator(t *testing.T) {
	callerID := "test.identity"
	ids := []util.Identity{
		{Type: util.TypeURI, Value: []byte(callerID)},
	}
	sanExt, err := util.BuildSANExtension(ids)
	if err != nil {
		t.Error(err)
	}

	testCases := map[string]struct {
		certChain          [][]*x509.Certificate
		caller             *security.Caller
		authenticateErrMsg string
		fakeAuthInfo       *mockAuthInfo

  // values.
  llvm::SetVector<Operation*> ops;
  ops.insert(callers.forward);
  ops.insert(callers.core_tpu);
  std::vector<int> result_map;
  result_map.reserve(callers.forward->getNumResults() +
                     callers.core_tpu->getNumResults());
  int result_pos = 0;
  for (auto res : callers.forward->getResults()) {
    bool is_output = false;
    for (auto user : res.getUsers()) {

// for temporary files (see [os.TempDir]).
// Multiple programs calling TempFile simultaneously
// will not choose the same file. The caller can use f.Name()
// to find the pathname of the file. It is the caller's responsibility
// to remove the file when no longer needed.
//
// Deprecated: As of Go 1.17, this function simply calls [os.CreateTemp].

	if toLen < n {
		n = toLen
	}

	if width == 0 {
		return n
	}

	size := uintptr(n) * width
	if raceenabled {
		callerpc := getcallerpc()
		pc := abi.FuncPCABIInternal(slicecopy)
		racereadrangepc(fromPtr, size, callerpc, pc)
		racewriterangepc(toPtr, size, callerpc, pc)
	}
	if msanenabled {
		msanread(fromPtr, size)
		msanwrite(toPtr, size)
	}
	if asanenabled {
		asanread(fromPtr, size)

	zapcore.ErrorLevel: ErrorLevel,
	zapcore.WarnLevel:  WarnLevel,
	zapcore.InfoLevel:  InfoLevel,
	zapcore.DebugLevel: DebugLevel,
}

// callerSkipOffset is how many callers to pop off the stack to determine the caller function locality, used for
// adding file/line number to log output.
const callerSkipOffset = 3

func dumpStack(level zapcore.Level, scope *Scope) bool {
	thresh := toLevel[level]

     *
     * <p>The selected constructor does not have to accept the given parameters. It is the caller's responsibility to verify that the constructor can be
     * called with the given parameters.
     *
     * <p>The selector may or may not allow null parameters. The caller should allow null parameters and delegate to the selector to make this decision.
     *

	if !l.Enabled(ctx, level) {
		return
	}
	var pc uintptr
	if !internal.IgnorePC {
		var pcs [1]uintptr
		// skip [runtime.Callers, this function, this function's caller]
		runtime.Callers(3, pcs[:])
		pc = pcs[0]
	}
	r := NewRecord(time.Now(), level, msg, pc)
	r.Add(args...)
	if ctx == nil {
		ctx = context.Background()
	}
	_ = l.Handler().Handle(ctx, r)

	}
	print("\n")
}

// callers should be an internal detail,
// (and is almost identical to Callers),
// but widely used packages access it using linkname.
// Notable members of the hall of shame include:
//   - github.com/phuslu/log
//
// Do not remove or change the type signature.
// See go.dev/issue/67401.
//
//go:linkname callers
func callers(skip int, pcbuf []uintptr) int {

 */
func chansend(c *hchan, ep unsafe.Pointer, block bool, callerpc uintptr) bool {
	if c == nil {
		if !block {
			return false
		}
		gopark(nil, nil, waitReasonChanSendNilChan, traceBlockForever, 2)
		throw("unreachable")
	}

	if debugChan {
		print("chansend: chan=", c, "\n")
	}

	if raceenabled {
		racereadpc(c.raceaddr(), callerpc, abi.FuncPCABIInternal(chansend))
	}