https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109876
Marek Polacek <mpolacek at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[11/12/13/14 Regression] |[11/12/13 Regression] |initializer_list not usable |initializer_list not usable |in constant expressions in |in constant expressions in |a template |a template --- Comment #14 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Fixed on trunk so far. I want to wait a bit before backporting this.