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

src/hydrogen.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 1301 matching lines @@
       EqualityKind kind,
       CompareNilICStub::Types types,
       Handle<Map> map,
       int position,
       HIfContinuation* continuation);
 
   HValue* BuildCreateAllocationSiteInfo(HValue* previous_object,
                                         int previous_object_size,
                                         HValue* payload);
 
+  HInstruction* BuildGetNativeContext(HValue* context);
+  HInstruction* BuildGetArrayFunction(HValue* context);
+
  private:
   HGraphBuilder();
   CompilationInfo* info_;
   HGraph* graph_;
   HBasicBlock* current_block_;
   int no_side_effects_scope_count_;
 };
 
 
 class HOptimizedGraphBuilder: public HGraphBuilder, public AstVisitor {
@@ skipping 673 matching lines @@
   EmbeddedVector<char, 64> filename_;
   HeapStringAllocator string_allocator_;
   StringStream trace_;
   int indent_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_H_