From github.com:llvm/llvm-project * branch main -> FETCH_HEAD 23dffff41070..b101f01382d6 main -> origin/main Switched to branch 'main' Your branch is behind 'origin/main' by 1 commit, and can be fast-forwarded. (use "git pull" to update your local branch) HEAD is now at b101f01382d6 [libc++] Optimize using std::copy with an ostreambuf_iterator (#181815)