Forking the type system between Crankshaft & Turbofan.

src/field-type.h

 // Copyright 2016 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.
 
 #ifndef V8_FIELD_TYPE_H_
 #define V8_FIELD_TYPE_H_
 
+#include "src/ast/ast-types.h"
 #include "src/handles.h"
 #include "src/objects.h"
 #include "src/ostreams.h"
 
 namespace v8 {
 namespace internal {
 
 class FieldType : public Object {
  public:
   static FieldType* None();
@@ skipping 13 matching lines @@
 
   bool NowContains(Handle<Object> value) { return NowContains(*value); }
 
   bool IsClass();
   Handle<i::Map> AsClass();
   bool IsNone() { return this == None(); }
   bool IsAny() { return this == Any(); }
   bool NowStable();
   bool NowIs(FieldType* other);
   bool NowIs(Handle<FieldType> other);
-  Type* Convert(Zone* zone);
+  AstType* Convert(Zone* zone);
 
   void PrintTo(std::ostream& os);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_FIELD_TYPE_H_