[Bug c++/109876] [10/11/12/13/14 Regression] initializer_list not usable in constant expressions in a template

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109876

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
What fixed it on the GCC 8 branch?