Move IC code into a subdir and move ic-compilation related code from stub-cache into ic-compiler

src/x64/code-stubs-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/v8.h"
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
+#include "src/codegen.h"
+#include "src/ic/ic-compiler.h"
+#include "src/isolate.h"
+#include "src/jsregexp.h"
 #include "src/regexp-macro-assembler.h"
 #include "src/runtime.h"
-#include "src/stub-cache.h"
 
 namespace v8 {
 namespace internal {
 
 
 void FastNewClosureStub::InitializeInterfaceDescriptor(
     CodeStubInterfaceDescriptor* descriptor) {
   Register registers[] = { rsi, rbx };
   descriptor->Initialize(
       MajorKey(), ARRAY_SIZE(registers), registers,
@@ skipping 4949 matching lines @@
                               return_value_operand,
                               NULL);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64