Parallel compilation bug: LCallNewArray dereferenced a handle unnecessarily.

src/mips/lithium-codegen-mips.cc

 // 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 3863 matching lines @@
 }
 
 
 void LCodeGen::DoCallNewArray(LCallNewArray* instr) {
   ASSERT(ToRegister(instr->constructor()).is(a1));
   ASSERT(ToRegister(instr->result()).is(v0));
   ASSERT(FLAG_optimize_constructed_arrays);
 
   __ li(a0, Operand(instr->arity()));
   __ li(a2, Operand(instr->hydrogen()->property_cell()));
-  Object* cell_value = instr->hydrogen()->property_cell()->value();
-  ElementsKind kind = static_cast<ElementsKind>(Smi::cast(cell_value)->value());
+  ElementsKind kind = instr->hydrogen()->elements_kind();
   if (instr->arity() == 0) {
     ArrayNoArgumentConstructorStub stub(kind);
     CallCode(stub.GetCode(isolate()), RelocInfo::CONSTRUCT_CALL, instr);
   } else if (instr->arity() == 1) {
     ArraySingleArgumentConstructorStub stub(kind);
     CallCode(stub.GetCode(isolate()), RelocInfo::CONSTRUCT_CALL, instr);
   } else {
     ArrayNArgumentsConstructorStub stub(kind);
     CallCode(stub.GetCode(isolate()), RelocInfo::CONSTRUCT_CALL, instr);
   }
@@ skipping 1859 matching lines @@
   __ Subu(scratch, result, scratch);
   __ lw(result, FieldMemOperand(scratch,
                                 FixedArray::kHeaderSize - kPointerSize));
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal