https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79628
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2017-02-20 CC| |jakub at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Already r122875 gives: internal compiler error: tree check: expected class ‘expression’, have ‘type’ (integer_type) in unify_pack_expansion, at cp/pt.c:11845 (r122750 still rejects it because it doesn't support C++11 good enough).