Experimental lexer generator: Misc fixes.

src/lexer/experimental-scanner.cc

 // 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 33 matching lines @@
   FILE* file = fopen(name, "rb");
   *size = 0;
   if (file == NULL) return NULL;
 
   fseek(file, 0, SEEK_END);
   int file_size = ftell(file);
   rewind(file);
 
   *size = file_size * repeat;
 
-  byte* chars = new byte[*size + 1];
+  byte* chars = new byte[*size];
   for (int i = 0; i < file_size;) {
     int read = static_cast<int>(fread(&chars[i], 1, file_size - i, file));
     i += read;
   }
   fclose(file);
 
   for (int i = file_size; i < *size; i++) {
     chars[i] = chars[i - file_size];
   }
-  chars[*size] = 0;
 
   return chars;
 }
 
 
 ExperimentalScanner::ExperimentalScanner(const char* fname,
                                          bool read_all_at_once,
                                          Isolate* isolate,
                                          int repeat)
     : current_(0),
@@ skipping 61 matching lines @@
   if (fetched_ >= token_.size()) {
     token_.resize(token_.size() * 2);
   }
   token_[fetched_].value = token;
   token_[fetched_].beg = beg;
   token_[fetched_].end = end;
   fetched_++;
 }
 
 } }  // namespace v8::internal