[turbofan] Consolidate compatible element loads.

src/compiler/access-info.h

Index: src/compiler/access-info.h
diff --git a/src/compiler/access-info.h b/src/compiler/access-info.h
index 809aa83e474fa624f761e0b34b13b72ea3de3313..f0a671c315cfa698ca3e9eb03a7c200c735b97eb 100644
--- a/src/compiler/access-info.h
+++ b/src/compiler/access-info.h
@@ -149,6 +149,8 @@ class AccessInfoFactory final {
                                   ZoneVector<PropertyAccessInfo>* access_infos);
 
  private:
+  bool ConsolidateElementLoad(MapHandleList const& maps,
+                              ElementAccessInfo* access_info);
   bool LookupSpecialFieldAccessor(Handle<Map> map, Handle<Name> name,
                                   PropertyAccessInfo* access_info);
   bool LookupTransition(Handle<Map> map, Handle<Name> name,