Reverted change to ASSERT is void Dictionary<Shape, Key>::SetEntry.

Review URL: http://codereview.chromium.org/150212

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2332 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/objects-inl.h

@@ -2642,7 +2642,7 @@ void Dictionary<Shape, Key>::SetEntry(int entry,
                                       Object* key,
                                       Object* value,
                                       PropertyDetails details) {
-  ASSERT(!Shape::kIsEnumerable || details.index() > 0);
+  ASSERT(!key->IsString() || details.index() > 0);
   int index = HashTable<Shape, Key>::EntryToIndex(entry);
   WriteBarrierMode mode = FixedArray::GetWriteBarrierMode();
   FixedArray::set(index, key, mode);