[es6] fix nested object literals with computed property names

test/mjsunit/es6/computed-property-names.js

Index: test/mjsunit/es6/computed-property-names.js
diff --git a/test/mjsunit/es6/computed-property-names.js b/test/mjsunit/es6/computed-property-names.js
index 80a047cc9cd3491aca0d9d9bacd390329e08606a..8c1aeb52af756480042ac174055f4f2c4f9a1caa 100644
--- a/test/mjsunit/es6/computed-property-names.js
+++ b/test/mjsunit/es6/computed-property-names.js
@@ -298,3 +298,14 @@ function ID(x) {
     };
   }, 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]);
+  }
+})();