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

src/a64/code-stubs-a64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
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 // 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 3272 matching lines @@
   __ B(eq, &done);
 
   // If we came here, we need to see if we are the array function.
   // If we didn't have a matching function, and we didn't find the megamorph
   // sentinel, then we have in the slot either some other function or an
   // AllocationSite. Do a map check on the object in ecx.
   __ Ldr(x5, FieldMemOperand(x4, AllocationSite::kMapOffset));
   __ JumpIfNotRoot(x5, Heap::kAllocationSiteMapRootIndex, &miss);
 
   // Make sure the function is the Array() function
-  __ LoadArrayFunction(x4);
+  __ LoadGlobalFunction(Context::ARRAY_FUNCTION_INDEX, x4);
   __ Cmp(x1, x4);
   __ B(ne, &megamorphic);
   __ B(&done);
 
   __ Bind(&miss);
 
   // A monomorphic miss (i.e, here the cache is not uninitialized) goes
   // megamorphic.
   __ JumpIfRoot(x4, Heap::kTheHoleValueRootIndex, &initialize);
   // MegamorphicSentinel is an immortal immovable object (undefined) so no
   // write-barrier is needed.
   __ Bind(&megamorphic);
   __ Add(x4, x2, Operand::UntagSmiAndScale(x3, kPointerSizeLog2));
   __ LoadRoot(x10, Heap::kUndefinedValueRootIndex);
   __ Str(x10, FieldMemOperand(x4, FixedArray::kHeaderSize));
   __ B(&done);
 
   // An uninitialized cache is patched with the function or sentinel to
   // indicate the ElementsKind if function is the Array constructor.
   __ Bind(&initialize);
   // Make sure the function is the Array() function
-  __ LoadArrayFunction(x4);
+  __ LoadGlobalFunction(Context::ARRAY_FUNCTION_INDEX, x4);
   __ Cmp(x1, x4);
   __ B(ne, &not_array_function);
 
   // The target function is the Array constructor,
   // Create an AllocationSite if we don't already have it, store it in the slot.
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
     CreateAllocationSiteStub create_stub;
 
     // Arguments register must be smi-tagged to call out.
@@ skipping 2470 matching lines @@
                               MemOperand(fp, 6 * kPointerSize),
                               NULL);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_A64