Fix another gcc 4.9.2 sign-compare error.

src/interpreter/bytecode-array-builder.cc

 // Copyright 2015 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/interpreter/bytecode-array-builder.h"
 
 namespace v8 {
 namespace internal {
 namespace interpreter {
 
@@ skipping 59 matching lines @@
   Handle<BytecodeArray> output =
       factory->NewBytecodeArray(bytecode_size, &bytecodes_.front(), frame_size,
                                 parameter_count_, constant_pool);
   bytecode_generated_ = true;
   return output;
 }
 
 
 template <size_t N>
 void BytecodeArrayBuilder::Output(Bytecode bytecode, uint32_t(&operands)[N]) {
-  DCHECK_EQ(Bytecodes::NumberOfOperands(bytecode), N);
+  DCHECK_EQ(Bytecodes::NumberOfOperands(bytecode), static_cast<int>(N));
   last_bytecode_start_ = bytecodes()->size();
   bytecodes()->push_back(Bytecodes::ToByte(bytecode));
   for (int i = 0; i < static_cast<int>(N); i++) {
     DCHECK(OperandIsValid(bytecode, i, operands[i]));
     switch (Bytecodes::GetOperandSize(bytecode, i)) {
       case OperandSize::kNone:
         UNREACHABLE();
       case OperandSize::kByte:
         bytecodes()->push_back(static_cast<uint8_t>(operands[i]));
         break;
@@ skipping 536 matching lines @@
 
 Register TemporaryRegisterScope::NewRegister() {
   count_++;
   last_register_index_ = builder_->BorrowTemporaryRegister();
   return Register(last_register_index_);
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8