[es6] fix nested object literals with computed property names

test/mjsunit/es6/computed-property-names.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.
 
 
 function ID(x) {
   return x;
 }
 
 
@@ skipping 280 matching lines @@
     var o = {
       get [throwMyError()]() { return 42; }
     };
   }, MyError);
   assertThrows(function() {
     var o = {
       set [throwMyError()](_) { }
     };
   }, MyError);
 })();
+
+
+(function TestNestedLiteral() {
+  var key = "test";
+  for (var i = 0; i < 10; ++i) {
+    assertEquals(i, ({ a: { [key + i]: i } }).a[key + i]);
+    assertEquals(i, ({ a: { b: { [key + i]: i } } }).a.b[key + i]);
+    assertEquals(i, ([ { [key + i]: i } ])[0][key + i]);
+    assertEquals(i, ([ { b: { [key + i]: i } } ])[0].b[key + i]);
+  }
+})();