Make Map::Create always use the Object function, and remove the unused inobject properties

src/factory.cc

Index: src/factory.cc
diff --git a/src/factory.cc b/src/factory.cc
index 4e5b5592dd2b8307af94869e577462c629be849d..45a79c1b3cc4477be0bdc3cfdc4825ba35cd1e1a 100644
--- a/src/factory.cc
+++ b/src/factory.cc
@@ -2331,9 +2331,9 @@ Handle<Map> Factory::ObjectLiteralMapFromCache(Handle<Context> context,
   int length = keys->length();
   // Create a new map and add it to the cache. Reuse the initial map of the
   // Object function if the literal has no predeclared properties.
-  Handle<Map> map =
-      length == 0 ? handle(context->object_function()->initial_map())
-                  : Map::Create(handle(context->object_function()), length);
+  Handle<Map> map = length == 0
+                        ? handle(context->object_function()->initial_map())
+                        : Map::Create(isolate(), length);
   AddToMapCache(context, keys, map);
   return map;
 }