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

[Andrew Marshall via libcxx-commits]

planetmarshall wrote:

#116261 moved this declaration to libunwind, so there should probably be a preprocessor guard in case it's already been declared (by building libcxxabi with libunwind).

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