[clang] [clang] [MinGW] Explicitly always pass the -fno-use-init-array (PR #68571)

[Eli Friedman via cfe-commits]

efriedma-quic wrote:

We could go with a clang fix, but also make the backend report_fatal_error if you try to use llvm.ctors with UseInitArray on mingw.  That keeps everything consistent while also making sure non-clang frontends don't miscompile.

https://github.com/llvm/llvm-project/pull/68571