New comment by ericonr on void-packages repository

https://github.com/void-linux/void-packages/pull/34626#issuecomment-1000039911

Comment:
> Oh, the current llvm backend works fine, it just doesn't produce backtraces, which makes debugging VHDL code quite difficult.

Understandable. How stable of an interface is `libbacktrace` inside of GCC? I'm weary about creating this dependency.