include only stuff you need, part 1: ast.h, ast-value-factory.h.

src/ast/variables.cc

 // Copyright 2011 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/variables.h"
 
-#include "src/ast/ast.h"
 #include "src/ast/scopes.h"
 #include "src/globals.h"
 
 namespace v8 {
 namespace internal {
 
 // ----------------------------------------------------------------------------
 // Implementation Variable.
 
 const char* Variable::Mode2String(VariableMode mode) {
@@ skipping 50 matching lines @@
 
 int Variable::CompareIndex(Variable* const* v, Variable* const* w) {
   int x = (*v)->index();
   int y = (*w)->index();
   // Consider sorting them according to type as well?
   return x - y;
 }
 
 }  // namespace internal
 }  // namespace v8