https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108468
--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-11 branch has been updated by Jason Merrill <ja...@gcc.gnu.org>: https://gcc.gnu.org/g:469881efc4ad365dce3db26dab7d33f95d36f92f commit r11-10640-g469881efc4ad365dce3db26dab7d33f95d36f92f Author: Jason Merrill <ja...@redhat.com> Date: Tue Mar 14 16:32:31 2023 -0400 c++: variable tmpl partial specialization [PR108468] Generally we expect TPARMS_PRIMARY_TEMPLATE to be set, but sometimes it isn't for partial instantiations. This ought to be improved, but it's trivial to work around it in this case. PR c++/108468 gcc/cp/ChangeLog: * pt.c (unify_pack_expansion): Check that TPARMS_PRIMARY_TEMPLATE is non-null. gcc/testsuite/ChangeLog: * g++.dg/cpp1y/var-templ78.C: New test.
