https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108612
--- Comment #5 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to Gaius Mulley from comment #4) > Created attachment 54383 [details] > Proposed fix v2 > > Here is version 2 of the proposed fix which should also help resolve > PR modula2/108551. > > Note a new file in the patch: gcc/m2/mc-boot/GRTentity.h. The patch works for me, please install it soonish.