[llvm-branch-commits] [libunwind] release/19.x: [libunwind][AIX] Fix the wrong traceback from signal handler (#101069) (PR #101182)

[Saleem Abdulrasool via llvm-branch-commits]

https://github.com/compnerd approved this pull request.

This is good to include on the release branch, it should be safe and fixes the behavior on AIX.

https://github.com/llvm/llvm-project/pull/101182