A better fix is to avoid passing pointers to C++ functions that can throw exceptions to C functions. This theoretically can be enforced by the compiler by requiring the C++ function pointers be marked noexcept.

I filed bugs against both GCC and LLVM requesting warnings:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118263

https://github.com/llvm/llvm-project/issues/121427