remove latin-1 flag

src/string-search.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 35 matching lines @@
   // of the string, but it is a safe approximation.
   static const int kBMMaxShift = Isolate::kBMMaxShift;
 
   // Reduce alphabet to this size.
   // One of the tables used by Boyer-Moore and Boyer-Moore-Horspool has size
   // proportional to the input alphabet. We reduce the alphabet size by
   // equating input characters modulo a smaller alphabet size. This gives
   // a potentially less efficient searching, but is a safe approximation.
   // For needles using only characters in the same Unicode 256-code point page,
   // there is no search speed degradation.
-#ifndef ENABLE_LATIN_1
-  static const int kAsciiAlphabetSize = 128;
-#else
   static const int kAsciiAlphabetSize = 256;
-#endif
   static const int kUC16AlphabetSize = Isolate::kUC16AlphabetSize;
 
   // Bad-char shift table stored in the state. It's length is the alphabet size.
   // For patterns below this length, the skip length of Boyer-Moore is too short
   // to compensate for the algorithmic overhead compared to simple brute force.
   static const int kBMMinPatternLength = 7;
 
   static inline bool IsOneByteString(Vector<const uint8_t> string) {
     return true;
   }
@@ skipping 77 matching lines @@
 
   static int BoyerMooreSearch(StringSearch<PatternChar, SubjectChar>* search,
                               Vector<const SubjectChar> subject,
                               int start_index);
 
   void PopulateBoyerMooreHorspoolTable();
 
   void PopulateBoyerMooreTable();
 
   static inline bool exceedsOneByte(uint8_t c) {
-#ifdef ENABLE_LATIN_1
     return false;
-#else
-    return c > String::kMaxOneByteCharCodeU;
-#endif
   }
 
   static inline bool exceedsOneByte(uint16_t c) {
     return c > String::kMaxOneByteCharCodeU;
   }
 
   static inline int CharOccurrence(int* bad_char_occurrence,
                                    SubjectChar char_code) {
     if (sizeof(SubjectChar) == 1) {
       return bad_char_occurrence[static_cast<int>(char_code)];
@@ skipping 406 matching lines @@
                  Vector<const SubjectChar> subject,
                  Vector<const PatternChar> pattern,
                  int start_index) {
   StringSearch<PatternChar, SubjectChar> search(isolate, pattern);
   return search.Search(subject, start_index);
 }
 
 }}  // namespace v8::internal
 
 #endif  // V8_STRING_SEARCH_H_