[libcxx-commits] [libcxxabi] libcxxabi: declare __gnu_unwind_frame in cxa_personality (PR #189787)

[Fangrui Song via libcxx-commits]

MaskRay wrote:

Seems better than https://github.com/llvm/llvm-project/pull/189280 as there is no unrelated formatting.
But ideally `__gnu_unwind_frame` should only be declared with ARM EABI is used.

https://github.com/llvm/llvm-project/pull/189787