UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36

Steps to reproduce the problem:
While experimenting with a CodeSonar plugin we develop, we noticed a potential bug in file "chromium/src/components/sync/syncable/directory.cc" line 166, function  Directory::InitializeIndices.

if (!entry->ref(UNIQUE_CLIENT_TAG).empty()) {
      DCHECK(kernel_->server_tags_map.find(entry->ref(UNIQUE_SERVER_TAG)) == //HERE
             kernel_->server_tags_map.end())
          << "Unexpected duplicate use of server tag";
      kernel_->client_tags_map[entry->ref(UNIQUE_CLIENT_TAG)] = entry;
}

Shouldn't UNIQUE_CLIENT_TAG be used instead of the UNIQUE_SERVER_TAG? And similarly, shouldn't you search in the client_tags_map?

Thanks,
Petru Florin Mihancea

What is the expected behavior?
The problem has been detected automatically via static analysis.

What went wrong?
The problem has been detected automatically via static analysis.

Did this work before? N/A 

Chrome version: 67.0.3396.99  Channel: stable
OS Version: OS X 10.13.5
Flash Version: