https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71528
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[5/6 Regression] multiple |[5 Regression] multiple |extern reference |extern reference |declarations produce |declarations produce |uninitialized access |uninitialized access --- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Fixed for 6.2+ too.