Fix invalid use of int in Zone.

src/compiler/x64/code-generator-x64.cc

 // Copyright 2013 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/compiler/code-generator.h"
 
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
 #include "src/scopes.h"
@@ skipping 1055 matching lines @@
 
 
 void CodeGenerator::AssembleArchJump(BasicBlock::RpoNumber target) {
   if (!IsNextInAssemblyOrder(target)) __ jmp(GetLabel(target));
 }
 
 
 void CodeGenerator::AssembleArchSwitch(Instruction* instr) {
   X64OperandConverter i(this, instr);
   size_t const label_count = instr->InputCount() - 1;
-  Label** labels = zone()->NewArray<Label*>(static_cast<int>(label_count));
+  Label** labels = zone()->NewArray<Label*>(label_count);
   for (size_t index = 0; index < label_count; ++index) {
     labels[index] = GetLabel(i.InputRpo(static_cast<int>(index + 1)));
   }
   Label* const table = AddJumpTable(labels, label_count);
   __ leaq(kScratchRegister, Operand(table));
   __ jmp(Operand(kScratchRegister, i.InputRegister(0), times_8, 0));
 }
 
 
 // Assembles boolean materializations after this instruction.
@@ skipping 331 matching lines @@
     }
   }
   MarkLazyDeoptSite();
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace compiler
 }  // namespace v8