Fix CNLT for enum indices.

Review URL: https://chromiumcodereview.appspot.com/10958015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12569 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/objects.h

@@ -2528,7 +2528,7 @@ class DescriptorArray: public FixedArray {
     Object* object = get(kEnumCacheIndex);
     if (object->IsSmi()) return false;
     FixedArray* bridge = FixedArray::cast(object);
-    return bridge->get(kEnumCacheBridgeIndicesCacheIndex)->IsSmi();
+    return !bridge->get(kEnumCacheBridgeIndicesCacheIndex)->IsSmi();
   }
 
   FixedArray* GetEnumIndicesCache() {

test/mjsunit/regress/regress-cnlt-enum-indices.js

+// Copyright 2012 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
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Flags: --allow-natives-syntax --expose-gc
+
+var o = {};
+var o2 = {};
+
+o.a = 1;
+o2.a = 1;
+function f() { return 10; }
+// Adds a non-field enumerable property.
+Object.defineProperty(o, "b", { get: f, enumerable: true });
+Object.defineProperty(o2, "b", { get: f, enumerable: true });
+assertTrue(%HaveSameMap(o, o2));
+o.c = 2;
+
+for (var x in o) { }
+o = null;
+
+gc();