[Bug ada/116438] Ada FE should use libbacktrace to print backtraces on ICE with bug boxes

[sjames at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116438

--- Comment #5 from Sam James <sjames at gcc dot gnu.org> ---
It also makes triage a lot easier and makes the FEs more consistent too.