[clang] [Clang] Ensure that .fini_array is available with -fno-use-cxa-atexit (PR #211963)

[via cfe-commits]

pyxherb wrote:

Or maybe we can introduce an extra command line argument to control if to enable this risky feature? But the users have to determine if to take the risks by themselves.

https://github.com/llvm/llvm-project/pull/211963