First simple implementation of class literals in TurboFan.

src/ast.h

 // Copyright 2012 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_AST_H_
 #define V8_AST_H_
 
 #include "src/v8.h"
 
 #include "src/assembler.h"
@@ skipping 2642 matching lines @@
   Handle<String> name() const { return raw_name_->string(); }
   const AstRawString* raw_name() const { return raw_name_; }
   Scope* scope() const { return scope_; }
   VariableProxy* class_variable_proxy() const { return class_variable_proxy_; }
   Expression* extends() const { return extends_; }
   Expression* constructor() const { return constructor_; }
   ZoneList<Property*>* properties() const { return properties_; }
   int start_position() const { return position(); }
   int end_position() const { return end_position_; }
 
+  static int num_ids() { return parent_num_ids() + 3; }
+  BailoutId EntryId() const { return BailoutId(local_id(0)); }
+  BailoutId DeclsId() const { return BailoutId(local_id(1)); }
+  BailoutId ExitId() { return BailoutId(local_id(2)); }
+
  protected:
   ClassLiteral(Zone* zone, const AstRawString* name, Scope* scope,
                VariableProxy* class_variable_proxy, Expression* extends,
                Expression* constructor, ZoneList<Property*>* properties,
                int start_position, int end_position)
       : Expression(zone, start_position),
         raw_name_(name),
         scope_(scope),
         class_variable_proxy_(class_variable_proxy),
         extends_(extends),
         constructor_(constructor),
         properties_(properties),
         end_position_(end_position) {}
+  static int parent_num_ids() { return Expression::num_ids(); }
 
  private:
+  int local_id(int n) const { return base_id() + parent_num_ids() + n; }
+
   const AstRawString* raw_name_;
   Scope* scope_;
   VariableProxy* class_variable_proxy_;
   Expression* extends_;
   Expression* constructor_;
   ZoneList<Property*>* properties_;
   int end_position_;
 };
 
 
@@ skipping 859 matching lines @@
 
  private:
   Zone* zone_;
   AstValueFactory* ast_value_factory_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_AST_H_