Disallow subclassing Arrays.

src/arm/full-codegen-arm.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_ARM
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
@@ skipping 4212 matching lines @@
     // Pre-decrement in order to skip receiver.
     __ ldr(r3, MemOperand(r2, kPointerSize, NegPreIndex));
     __ Push(r3);
     __ sub(r1, r1, Operand(1));
     __ cmp(r1, Operand::Zero());
     __ b(ne, &loop);
   }
 
   __ bind(&args_set_up);
   __ ldr(r1, MemOperand(sp, r0, LSL, kPointerSizeLog2));
+  __ LoadRoot(r2, Heap::kUndefinedValueRootIndex);
 
   CallConstructStub stub(isolate(), SUPER_CONSTRUCTOR_CALL);
   __ Call(stub.GetCode(), RelocInfo::CONSTRUCT_CALL);
 
   __ Drop(1);
 
   context()->Plug(result_register());
 }
 
 
@@ skipping 1258 matching lines @@
 
   DCHECK(interrupt_address ==
          isolate->builtins()->OsrAfterStackCheck()->entry());
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM