Experimental parser: add back forward before jumping to eos handler

tools/lexer_generator/code_generator.jinja

 // Copyright 2013 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 244 matching lines @@
   {%- endif -%}
 
   {%- for key, jump_id in state['if_transitions'] %}
     if ({{do_key(key)}}) { // normal if transition
       {{ do_transition(jump_id) }}
     }
   {% endfor -%}
 
   {%- if 'eos' in state['unique_transitions'] %}
     if (primary_char == 0 && cursor_ >= buffer_end_) { // eos handler
+      FORWARD();
       {{ jump(state['unique_transitions']['eos']) }}
     }
   {%- endif -%}
 
   {%- if state['deferred_transitions'] %}
     if ({{long_char_check()}}) {
       next_.is_onebyte = false;
       {{long_char_create()}}
       {%- for key, jump_id in state['deferred_transitions'] %}
         if ({{do_key(key)}}) { // long_char transition
@@ skipping 76 matching lines @@
     // force use of stored_token
     stored_token = Token::ILLEGAL;
     // force use of marker
     marker = NULL;
     // force use of state_entry_0
     goto state_entry_0;
   }
 }
 } }