I've seen this breakage only on "regular (osx-clang, clang, macos-latest)" so far, but that does not necessarily mean clang on macOS is miscompiling or anything like that. https://github.com/git/git/runs/1671504998?check_suite_focus=true What is frustrating is that the same CI/PR #1087 fully passes when told to "Re-run jobs". https://github.com/git/git/runs/1671626677?check_suite_focus=true They are testing exactly the same commit 820e568 that has a tree identical to that of ed0fd57b97 in seen in today's pushout. Any interest in helping to find out what's going on from folks in the macOS land? Thanks.