https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78894
--- Comment #7 from Jason Merrill <jason at gcc dot gnu.org> --- Author: jason Date: Wed Jan 18 16:44:27 2017 New Revision: 244582 URL: https://gcc.gnu.org/viewcvs?rev=244582&root=gcc&view=rev Log: PR c++/78894 - ICE with class deduction and default arg * pt.c (build_deduction_guide): Set DECL_PRIMARY_TEMPLATE. Added: trunk/gcc/testsuite/g++.dg/cpp1z/class-deduction24.C Modified: trunk/gcc/cp/ChangeLog trunk/gcc/cp/pt.c