https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79056
--- Comment #5 from Jason Merrill <jason at gcc dot gnu.org> --- Author: jason Date: Fri Jun 23 23:30:01 2017 New Revision: 249615 URL: https://gcc.gnu.org/viewcvs?rev=249615&root=gcc&view=rev Log: PR c++/79056 - C++17 ICE with invalid template syntax. * parser.c (cp_parser_simple_type_specifier): Don't assume that type is a TYPE_DECL. (cp_parser_check_for_invalid_template_id): Handle TYPE_DECL. * pt.c (template_placeholder_p): New. * cp-tree.h: Declare it. Added: branches/gcc-7-branch/gcc/testsuite/g++.dg/parse/template28.C Modified: branches/gcc-7-branch/gcc/cp/ChangeLog branches/gcc-7-branch/gcc/cp/cp-tree.h branches/gcc-7-branch/gcc/cp/parser.c branches/gcc-7-branch/gcc/cp/pt.c
