* Delayed compilation of irregexps until use-time, and specialize on char type.

src/objects.h

 // Copyright 2006-2008 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 2906 matching lines @@
 
 // Regular expressions
 class JSRegExp: public JSObject {
  public:
   // Meaning of Type:
   // NOT_COMPILED: Initial value. No data has been stored in the JSRegExp yet.
   // JSCRE: A complex RegExp for JSCRE
   // ATOM: A simple string to match against using an indexOf operation.
   // IRREGEXP: Compiled with Irregexp.
   // IRREGEXP_NATIVE: Compiled to native code with Irregexp.
-  enum Type { NOT_COMPILED, JSCRE, ATOM, IRREGEXP, IRREGEXP_NATIVE };
+  enum Type { NOT_COMPILED, JSCRE, ATOM, IRREGEXP };
   enum Flag { NONE = 0, GLOBAL = 1, IGNORE_CASE = 2, MULTILINE = 4 };
 
   class Flags {
    public:
     explicit Flags(uint32_t value) : value_(value) { }
     bool is_global() { return (value_ & GLOBAL) != 0; }
     bool is_ignore_case() { return (value_ & IGNORE_CASE) != 0; }
     bool is_multiline() { return (value_ & MULTILINE) != 0; }
     uint32_t value() { return value_; }
    private:
@@ skipping 1264 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_