6f68d039a5
As seen in #111585, we can end up using a previous cache entry where the size was too large and was UB. Compile time impact: https://llvm-compile-time-tracker.com/compare.php?from=6a863f7e2679a60f2f38ae6a920d0b6e1a2c1690&to=faccf4e1f47fcd5360a438de2a56d02b770ad498&stat=instructions:u. Fixes #111585.