https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90227
--- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> --- Author: jason Date: Wed Apr 24 20:37:30 2019 New Revision: 270556 URL: https://gcc.gnu.org/viewcvs?rev=270556&root=gcc&view=rev Log: PR c++/90227 - error with template parameter packs. If require_all_args, we aren't waiting for more args to be deduced later. * pt.c (coerce_template_parms): Do add empty pack when require_all_args. Added: trunk/gcc/testsuite/g++.dg/cpp1y/var-templ62.C Modified: trunk/gcc/cp/ChangeLog trunk/gcc/cp/pt.c