https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62282
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org --- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> --- I'd say it is a user bug, you shouldn't use gnu_inline attribute on a function that is not extern inline. Why do you want that? Either you want extern inline __attribute__((gnu_inline)), which will act as the GNU extern inline function (if inlined successfully, fine, otherwise you need to supply external definition), or you want normal C++ inline semantics. inline __attribute__((gnu_inline)) doesn't make sense.