Concat2           120 third_party/re2/re2/simplify.cc   static Regexp* Concat2(Regexp* re1, Regexp* re2, Regexp::ParseFlags flags);
Concat2           362 third_party/re2/re2/simplify.cc       suf = Regexp::Quest(Concat2(re->Incref(), suf, f), f);
Concat2           366 third_party/re2/re2/simplify.cc       nre = Concat2(nre, suf, f);