[llvm-branch-commits] [libcxxabi] release/22.x: libcxxabi: declare __gnu_unwind_frame in cxa_personality (#189787) (PR #194306)

[Alex Rønne Petersen via llvm-branch-commits]

alexrp wrote:

That failure is certainly unrelated.

But uh... that test also just looks entirely broken? The whole point of `compare_exchange_weak` is that it can fail spuriously, so the failing assertion here is just kind of expected on an LL/SC platform like PowerPC (which AIX runs on). :raised_eyebrow:

Looks like 3fea2f61652e10c7f3abc17f0542e8bc0dd0ea25 needs a backport.

https://github.com/llvm/llvm-project/pull/194306