https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83758
--- Comment #9 from acsawdey at gcc dot gnu.org --- Comparing behavior of 256764 on genoa (fails) and willow2 (works). In directory powerpc64le-unknown-linux-gnu/libgo, this compile fails: /home/sawdey/src/gcc/trunk/build/./gcc/gccgo -B/home/sawdey/src/gcc/trunk/build/./gcc/ -B/home/sawdey/install/gcc/trunk/powerpc64le-unknown-linux-gnu/bin/ -B/home/sawdey/install/gcc/trunk/powerpc64le-unknown-linux-gnu/lib/ -isystem /home/sawdey/install/gcc/trunk/powerpc64le-unknown-linux-gnu/include -isystem /home/sawdey/install/gcc/trunk/powerpc64le-unknown-linux-gnu/sys-include -O2 -g -I . -c -fgo-pkgpath=cmd/go/internal/work ../../../trunk/libgo/go/cmd/go/internal/work/action.go ../../../trunk/libgo/go/cmd/go/internal/work/build.go ../../../trunk/libgo/go/cmd/go/internal/work/buildid.go ../../../trunk/libgo/go/cmd/go/internal/work/exec.go ../../../trunk/libgo/go/cmd/go/internal/work/gc.go ../../../trunk/libgo/go/cmd/go/internal/work/gccgo.go ../../../trunk/libgo/go/cmd/go/internal/work/init.go -o cmd/go/internal/work.o Looking at dump files the first major difference is that starting in fixup_cfg4, the function CleanPkgpath is simply gone from the failing compile.