The Array function must be looked up in the native context.

src/a64/macro-assembler-a64.cc

 // Copyright 2013 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
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@@ skipping 4694 matching lines @@
   Ldr(Tmp0(), FieldMemOperand(scratch, offset));
   Cmp(map_in_out, Tmp0());
   B(ne, no_map_match);
 
   // Use the transitioned cached map.
   offset = (transitioned_kind * kPointerSize) + FixedArrayBase::kHeaderSize;
   Ldr(map_in_out, FieldMemOperand(scratch, offset));
 }
 
 
-void MacroAssembler::LoadArrayFunction(Register function) {
-  // Load the global or builtins object from the current context.
-  Ldr(function, GlobalObjectMemOperand());
-  // Load the global context from the global or builtins object.
-  Ldr(function,
-      FieldMemOperand(function, GlobalObject::kGlobalContextOffset));
-  // Load the array function from the native context.
-  Ldr(function, ContextMemOperand(function, Context::ARRAY_FUNCTION_INDEX));
-}
-
-
 void MacroAssembler::LoadGlobalFunction(int index, Register function) {
   // Load the global or builtins object from the current context.
   Ldr(function, GlobalObjectMemOperand());
   // Load the native context from the global or builtins object.
   Ldr(function, FieldMemOperand(function,
                                 GlobalObject::kNativeContextOffset));
   // Load the function from the native context.
   Ldr(function, ContextMemOperand(function, index));
 }
 
@@ skipping 339 matching lines @@
   }
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_A64