https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103577
--- Comment #4 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> --- > --- Comment #2 from Iain Buclaw <ibuclaw at gdcproject dot org> --- > (In reply to r...@cebitec.uni-bielefeld.de from comment #1) >> I cannot yet tell if this is just an issue with GCC 11.1.0 gdc or >> libphobos that's fixed in 11.2.0 or gcc-11 branch. > > > It could be this patch fixes that. > > https://gcc.gnu.org/pipermail/gcc-patches/2021-July/576395.html > > It was requested to be backported back in November. > > https://gcc.gnu.org/pipermail/gcc-patches/2021-November/585450.html Seems quite plausible indeed. I'll give the top of the gcc-11 branch a whirl on both 10.7 and 12. Maybe that's all it takes to get working bootstrap compilers. I previously took gcc 11.1.0 simply because I had the tree still around.