Put Scopes into temporary Zone

test/mjsunit/context-variable-assignments.js

 // Copyright 2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 17 matching lines @@
 function foo() {
   var a, b;
   var bar = function() {
     a = b = "hello world";
   }
   bar();
   return a;
 }
 
 assertEquals("hello world", foo());
+
+// Also test that it works from more deeply nested inner functions:
+
+var v = (function foo2() {
+  var a, b;
+  var bar = function() {
+    var baz = function() {
+      a = b = "bye world";
+    }
+    baz();
+  }
+  bar();
+  return a;
+})();
+
+assertEquals("bye world", v);