[debugger] use handler table on unoptimized code for exception prediction.

test/mjsunit/es6/debug-promises/throw-finally-caught-all.js

Index: test/mjsunit/es6/debug-promises/throw-finally-caught-all.js
diff --git a/test/mjsunit/es6/debug-promises/throw-caught-all.js b/test/mjsunit/es6/debug-promises/throw-finally-caught-all.js
similarity index 88%
copy from test/mjsunit/es6/debug-promises/throw-caught-all.js
copy to test/mjsunit/es6/debug-promises/throw-finally-caught-all.js
index 3b7c48c1cff2ab8b96622cf2f52733a32683bffd..a3d45dce7798a8a04fa33ea6663cd2df04472109 100644
--- a/test/mjsunit/es6/debug-promises/throw-caught-all.js
+++ b/test/mjsunit/es6/debug-promises/throw-finally-caught-all.js
@@ -1,11 +1,12 @@
-// Copyright 2014 the V8 project authors. All rights reserved.
+// Copyright 2016 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 --allow-natives-syntax --promise-extra
 
 // Test debug events when we listen to all exceptions and
-// there is a catch handler for the exception thrown in a Promise.
+// there is a catch handler for the exception thrown in a Promise, first
+// caught by a try-finally, and immediately rethrown.
 // We expect a normal Exception debug event to be triggered.
 
 Debug = debug.Debug;
@@ -21,7 +22,10 @@ var p = new Promise(function(resolve, reject) {
 var q = p.chain(
   function() {
     log.push("throw");
-    throw new Error("caught");
+    try {
+      throw new Error("caught");
+    } finally {
+    }
   });
 
 q.catch(