Computed property names for object literals in TurboFan.

test/mjsunit/harmony/computed-property-names.js

Index: test/mjsunit/harmony/computed-property-names.js
diff --git a/test/mjsunit/harmony/computed-property-names.js b/test/mjsunit/harmony/computed-property-names.js
index 1ec8aab51c28fcc62984bbcb1b80cc590daa184f..69360771c149006cfbde1fed952a49da27fe2608 100644
--- a/test/mjsunit/harmony/computed-property-names.js
+++ b/test/mjsunit/harmony/computed-property-names.js
@@ -263,10 +263,17 @@ function ID(x) {
   };
   assertEquals(proto, Object.getPrototypeOf(object));
 
-  var object = {
+  object = {
     ['__proto__']: proto
   };
   assertEquals(Object.prototype, Object.getPrototypeOf(object));
   assertEquals(proto, object.__proto__);
   assertTrue(object.hasOwnProperty('__proto__'));
+
+  object = {
+    [ID('x')]: 'X',
+    __proto__: proto
+  };
+  assertEquals('X', object.x);
+  assertEquals(proto, Object.getPrototypeOf(object));
 })();