On Wed, Jul 17, 2024 at 11:10:34AM +0200, Richard Biener wrote: > OK. It's a bit late for the 11 branch without some soaking on trunk - > when do we use __builtin_clear_padding? IIRC for C++ atomics?
Apparently in GCC 11 only if one uses the builtin directly, I wrote the
support primarily for libstdc++, but it started using it only in GCC 13.
And GCC 12 and later uses it for -ftrivial-auto* and OpenMP atomics.
So maybe it won't be that serious problem if GCC 11.5 is without this fix.
Jakub
