Ensure reload of elements pointer in StoreFastDoubleElement stub.

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index 677d567b7a323441078714b02ebc87c18864b404..459420c5d3fb7d9259297538f6d30490db3ab456 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -1392,7 +1392,9 @@ void JSObject::initialize_properties() {
 
 
 void JSObject::initialize_elements() {
-  ASSERT(map()->has_fast_elements() || map()->has_fast_smi_only_elements());
+  ASSERT(map()->has_fast_elements() ||
+         map()->has_fast_smi_only_elements() ||
+         map()->has_fast_double_elements());
   ASSERT(!GetHeap()->InNewSpace(GetHeap()->empty_fixed_array()));
   WRITE_FIELD(this, kElementsOffset, GetHeap()->empty_fixed_array());
 }