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

[Louis Dionne via libcxx-commits]

ldionne wrote:

@perry-ca @zibi2 Is there a timeline for adding support for TLS? TLS is technically a required part of the spec since it's mentioned in the spec, and it would be nice to drive towards that on all platforms whenever possible.

Also, in your build where do you define `HAS_THREAD_LOCAL`? It's currently dead code since nothing else in the code defines that macro, it would be nice to make that less hacky.

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