From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   18ff8df95837..412f7fa31607  main       -> origin/main
Switched to branch 'main'
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HEAD is now at 412f7fa31607 [clang] Bump DIAG_SIZE_PARSE as we're hitting the limit downstream as of 6263de90df7f58c8b98475024d5eef102e10a372.