Add exception prediction for ArrayForEachLoopLazyDeoptContinuation

test/mjsunit/regress/regress-6526.js

+// Copyright 2017 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: --enable-inspector --allow-natives-syntax

[jgruber, 2017/06/28 09:10:11]

This test should go into test/debugger/regress/ to make the test runner call it
correctly.

+
+const Debug = debug.Debug;
+Debug.setListener(() => {});
+
+var a = [0,1,2,3,4,5,6,7,8,9];
+
+var f = function() {
+  a.forEach(function(v) {
+    try {
+      throw new Error();
+    } catch (e) {
+    }
+  });
+}
+
+f();
+f();
+%OptimizeFunctionOnNextCall(f);
+f();
+f();