[ic] Avoid Smi check when loading receiver's map in LoadSuperIC

Change-Id: I171a2562517f589e20950b8d6df14bfa488885ae
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3719686Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Hao A Xu <hao.a.xu@intel.com>
Cr-Commit-Position: refs/heads/main@{#81321}

src/ic/accessor-assembler.cc

@@ -3150,8 +3150,7 @@ void AccessorAssembler::LoadSuperIC(const LoadICParameters* p) {
 
   // The lookup start object cannot be a SMI, since it's the home object's
   // prototype, and it's not possible to set SMIs as prototypes.
-  TNode<Map> lookup_start_object_map =
-      LoadReceiverMap(p->lookup_start_object());
+  TNode<Map> lookup_start_object_map = LoadMap(CAST(p->lookup_start_object()));
   GotoIf(IsDeprecatedMap(lookup_start_object_map), &miss);
 
   TNode<MaybeObject> feedback =