https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80814
--- Comment #5 from Hussam Al-Tayeb <me at hussam dot eu.org> --- (In reply to Ian Lance Taylor from comment #3) > Have you run `make install` to install an earlier version of the build? > Perhaps the compilation command is incorrectly looking at the installed .gox > files before looking at the newly built ones. It looks like this may have been the case. Removing the gcc-go subpackage and recompiling without reverting that commit makes a full build successful. The installing all of gcc including gcc-go and recompiling from scratch also completes successfully.