Continues Latin-1 support. All tests pass with ENABLE_LATIN_1 flag.

src/jsregexp.cc

 // Copyright 2012 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 291 matching lines @@
 
   for (int i = 0; i < output_size; i += 2) {
     String::FlatContent needle_content = needle->GetFlatContent();
     String::FlatContent subject_content = subject->GetFlatContent();
     ASSERT(needle_content.IsFlat());
     ASSERT(subject_content.IsFlat());
     // dispatch on type of strings
     index = (needle_content.IsAscii()
              ? (subject_content.IsAscii()
                 ? SearchString(isolate,
-                               subject_content.ToAsciiVector(),
-                               needle_content.ToAsciiVector(),
+                               subject_content.ToOneByteVector(),
+                               needle_content.ToOneByteVector(),
                                index)
                 : SearchString(isolate,
                                subject_content.ToUC16Vector(),
-                               needle_content.ToAsciiVector(),
+                               needle_content.ToOneByteVector(),
                                index))
              : (subject_content.IsAscii()
                 ? SearchString(isolate,
-                               subject_content.ToAsciiVector(),
+                               subject_content.ToOneByteVector(),
                                needle_content.ToUC16Vector(),
                                index)
                 : SearchString(isolate,
                                subject_content.ToUC16Vector(),
                                needle_content.ToUC16Vector(),
                                index)));
     if (index == -1) {
       return i / 2;  // Return number of matches.
     } else {
       output[i] = index;
@@ skipping 5861 matching lines @@
   }
 
   return compiler.Assemble(&macro_assembler,
                            node,
                            data->capture_count,
                            pattern);
 }
 
 
 }}  // namespace v8::internal