https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109007
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |meissner at gcc dot gnu.org, | |segher at gcc dot gnu.org --- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> --- I believe that instruction is power9 only, on the other side _GLOBAL__sub_I_eh_alloc.cc doesn't come from the code you were compiling, but from libstdc++.a(eh_alloc.o). So, it depends on how the gcc you are using has been compiled. If it is from an Ubuntu package, you need to report it to Ubuntu.