https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84355
--- Comment #4 from Jason Merrill <jason at gcc dot gnu.org> --- Author: jason Date: Fri Mar 23 14:39:25 2018 New Revision: 258808 URL: https://gcc.gnu.org/viewcvs?rev=258808&root=gcc&view=rev Log: PR c++/84355 - ICE with deduction for member class template. * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into CLASS_PLACEHOLDER_TEMPLATE. Added: branches/gcc-7-branch/gcc/testsuite/g++.dg/cpp1z/class-deduction50.C Modified: branches/gcc-7-branch/gcc/cp/ChangeLog branches/gcc-7-branch/gcc/cp/pt.c
