https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86182
--- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> --- Author: jason Date: Thu Jun 21 14:23:19 2018 New Revision: 261850 URL: https://gcc.gnu.org/viewcvs?rev=261850&root=gcc&view=rev Log: PR c++/86182 - ICE with anonymous union passed to template. * pt.c (tsubst_expr) [DECL_EXPR]: Handle an anonymous union type used to declare a named variable. Added: branches/gcc-8-branch/gcc/testsuite/g++.dg/template/anonunion3.C Modified: branches/gcc-8-branch/gcc/cp/ChangeLog branches/gcc-8-branch/gcc/cp/pt.c