Irregexp (bytecodes) don't forget to update current position

on a no-case successful backref.
Review URL: http://codereview.chromium.org/13615

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@932 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/interpreter-irregexp.cc

@@ -381,6 +381,7 @@ static bool RawMatch(const byte* code_base,
           break;
         } else {
           if (BackRefMatchesNoCase(from, current, len, subject)) {
+            current += len;
             pc += BC_CHECK_NOT_BACK_REF_NO_CASE_LENGTH;
           } else {
             pc = code_base + Load32(pc + 2);