https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77589
--- Comment #11 from Tom de Vries <vries at gcc dot gnu.org> --- (In reply to Jakub Jelinek from comment #10) > AFAIK Kevin Buettner has the GDB support for it pretty much written but not > yet submitted. Mentioned this at https://sourceware.org/bugzilla/show_bug.cgi?id=22399#c1