Becuase of cross-context calls, hydrogen-based Array constructor needs to ensure

src/code-stubs.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1634 matching lines @@
     return AllocationSiteModeBits::decode(bit_field_)
         ? TRACK_ALLOCATION_SITE
         : DONT_TRACK_ALLOCATION_SITE;
   }
 
   virtual bool IsPregenerated() { return true; }
   static void GenerateStubsAheadOfTime(Isolate* isolate);
   static void InstallDescriptors(Isolate* isolate);
 
   // Parameters accessed via CodeStubGraphBuilder::GetParameter()
-  static const int kPropertyCell = 0;
+  static const int kConstructor = 0;
+  static const int kPropertyCell = 1;
 
  private:
   int NotMissMinorKey() { return bit_field_; }
 
   class ElementsKindBits: public BitField<ElementsKind, 0, 8> {};
   class AllocationSiteModeBits: public BitField<bool, 8, 1> {};
   uint32_t bit_field_;
 
   DISALLOW_COPY_AND_ASSIGN(ArrayConstructorStubBase);
 };
@@ skipping 284 matching lines @@
 
   // The current function entry hook.
   static FunctionEntryHook entry_hook_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileEntryHookStub);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_CODE_STUBS_H_