cache_warned_     367 third_party/re2/re2/dfa.cc   bool cache_warned_;      // have printed to LOG(INFO) about the cache
cache_warned_    1163 third_party/re2/re2/dfa.cc   if (was_writing && !cache_warned_) {
cache_warned_    1166 third_party/re2/re2/dfa.cc     cache_warned_ = true;