Remove ExitContextStatement.

src/ast.h

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 44 matching lines @@
 
 #define STATEMENT_NODE_LIST(V)                  \
   V(Block)                                      \
   V(ExpressionStatement)                        \
   V(EmptyStatement)                             \
   V(IfStatement)                                \
   V(ContinueStatement)                          \
   V(BreakStatement)                             \
   V(ReturnStatement)                            \
   V(WithStatement)                              \
-  V(ExitContextStatement)                       \
   V(SwitchStatement)                            \
   V(DoWhileStatement)                           \
   V(WhileStatement)                             \
   V(ForStatement)                               \
   V(ForInStatement)                             \
   V(TryCatchStatement)                          \
   V(TryFinallyStatement)                        \
   V(DebuggerStatement)
 
 #define EXPRESSION_NODE_LIST(V)                 \
@@ skipping 598 matching lines @@
   Statement* statement() const { return statement_; }
 
   virtual bool IsInlineable() const;
 
  private:
   Expression* expression_;
   Statement* statement_;
 };
 
 
-class ExitContextStatement: public Statement {
- public:
-  virtual bool IsInlineable() const;
-
-  DECLARE_NODE_TYPE(ExitContextStatement)
-};
-
-
 class CaseClause: public ZoneObject {
  public:
   CaseClause(Isolate* isolate,
              Expression* label,
              ZoneList<Statement*>* statements,
              int pos);
 
   bool is_default() const { return label_ == NULL; }
   Expression* label() const {
     CHECK(!is_default());
@@ skipping 1447 matching lines @@
 
  private:
   Isolate* isolate_;
   bool stack_overflow_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_AST_H_