Case independent back references.

src/assembler-irregexp.cc

 // Copyright 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 221 matching lines @@
 
 
 void IrregexpAssembler::CheckNotBackReference(int capture_index,
                                           Label* on_mismatch) {
   Emit(BC_CHECK_NOT_BACK_REF);
   Emit(capture_index);
   EmitOrLink(on_mismatch);
 }
 
 
+void IrregexpAssembler::CheckNotBackReferenceNoCase(int capture_index,
+                                                    Label* on_mismatch) {
+  Emit(BC_CHECK_NOT_BACK_REF_NO_CASE);
+  Emit(capture_index);
+  EmitOrLink(on_mismatch);
+}
+
+
 void IrregexpAssembler::CheckRegister(int byte_code,
                                       int reg_index,
                                       uint16_t vs,
                                       Label* on_true) {
   Emit(byte_code);
   Emit(reg_index);
   Emit16(vs);
   EmitOrLink(on_true);
 }
 
@@ skipping 78 matching lines @@
   buffer_ = Vector<byte>::New(old_buffer.length() * 2);
   own_buffer_ = true;
   memcpy(buffer_.start(), old_buffer.start(), old_buffer.length());
   if (old_buffer_was_our_own) {
     old_buffer.Dispose();
   }
 }
 
 
 } }  // namespace v8::internal