Separate calculation of double element and object element sizes in IsFastLiteral.

src/hydrogen.h

Index: src/hydrogen.h
diff --git a/src/hydrogen.h b/src/hydrogen.h
index f4f3752c83002d418e7534d65b349a991f3fb83a..f249af17b3b6c8e74ff04fd0c4abf9efa662282b 100644
--- a/src/hydrogen.h
+++ b/src/hydrogen.h
@@ -1508,7 +1508,8 @@ class HOptimizedGraphBuilder: public HGraphBuilder, public AstVisitor {
   HInstruction* BuildFastLiteral(HValue* context,
                                  Handle<JSObject> boilerplate_object,
                                  Handle<JSObject> original_boilerplate_object,
-                                 int size,
+                                 int data_size,
+                                 int pointer_size,
                                  AllocationSiteMode mode,
                                  BailoutId id);