https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85210
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Fri Jun 22 21:07:16 2018 New Revision: 261949 URL: https://gcc.gnu.org/viewcvs?rev=261949&root=gcc&view=rev Log: Backported from mainline 2018-04-06 Jakub Jelinek <ja...@redhat.com> PR c++/85210 * pt.c (tsubst_decomp_names): Return error_mark_node and assert errorcount is set if tsubst doesn't return a VAR_DECL. * g++.dg/cpp1z/decomp42.C: New test. Added: branches/gcc-7-branch/gcc/testsuite/g++.dg/cpp1z/decomp42.C Modified: branches/gcc-7-branch/gcc/cp/ChangeLog branches/gcc-7-branch/gcc/cp/pt.c branches/gcc-7-branch/gcc/testsuite/ChangeLog