Transient failure on sanitizer-x86_64-linux

This bot was failing from
until it went green on

Anyone happen to know why? I can’t quite figure it out from the commits - would be good to know if it’s a buildbot issue or a genuine LLVM problem that was in the LLVM code and fixed by one of those commits.

Actually it’s broken from
I think it’s broken by b22910daab95be1ebc6ab8a74190e38130b0e6ef and fixed by 4e413e16216d0c94ada2171f3c59e0a85f4fa4b6 is just a manual rerun on an older revision.

See also for the specific issue that affected the buildbot, and for a wider discussion.