Create ast/ and parsing/ subdirectories and move appropriate files

src/compiler/linkage.cc

 // Copyright 2014 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/ast/scopes.h"
 #include "src/code-stubs.h"
 #include "src/compiler.h"
 #include "src/compiler/common-operator.h"
 #include "src/compiler/frame.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/node.h"
 #include "src/compiler/osr.h"
 #include "src/compiler/pipeline.h"
-#include "src/scopes.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 namespace {
 LinkageLocation regloc(Register reg) {
   return LinkageLocation::ForRegister(reg.code());
 }
 
@@ skipping 500 matching lines @@
   } else {
     DCHECK(loc == regloc(kContextRegister));
     return LinkageLocation::ForCalleeFrameSlot(Frame::kContextSlot);
   }
 }
 
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8