[libcxx-commits] [libcxx] [libc++] NFC: only forward-declare ABI-functions in exception_ptr.h if the are meant to be used (PR #84707)

[via libcxx-commits]

itrofimow wrote:

This 
* builds with libcxxrt HEAD 
* fails to build with libcxxrt prior to https://github.com/libcxxrt/libcxxrt/commit/045c52ce821388f4ae4d119fe4fb75f1eb547b85
* builds with libcxx prior to https://github.com/libcxxrt/libcxxrt/commit/045c52ce821388f4ae4d119fe4fb75f1eb547b85 with `_LIBCPP_AVAILABILITY_HAS_INIT_PRIMARY_EXCEPTION` set to 0

I hope having a way to remove the conflicting forward-declaration would suffice, but if this continues to cause problem I'd be ok with the thing being reverted from libcxx, and I'd shamefully pretend in never happened.

Could you @ldionne please have a look?

https://github.com/llvm/llvm-project/pull/84707