[debugger] Basic scope functionality and exception events in wrapper

test/mjsunit/es6/debug-promises/reentry.js

-// Copyright 2014 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Flags: --expose-debug-as debug
-
-// Test reentry of special try catch for Promises.
-
-Debug = debug.Debug;
-
-Debug.setBreakOnUncaughtException();
-Debug.setListener(function(event, exec_state, event_data, data) { });
-
-var p = new Promise(function(resolve, reject) { resolve(); });
-var q = p.then(function() {
-  new Promise(function(resolve, reject) { resolve(); });
-});