[libcxx-commits] [libcxxabi] [libc++abi] Always use thread_local for cxa_exception_storage (PR #79868)

[Zibi Sarbinowski via libcxx-commits]

zibi2 wrote:

> I am going to land this if CI is green.
> 
> CC @llvm/libcxx-vendors for potential impact.

@ldionne Please don't. The z/OS is does not support thread local yet and it will brake us if you land this.

https://github.com/llvm/llvm-project/pull/79868