https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92648
--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-8 branch has been updated by Jakub Jelinek <ja...@gcc.gnu.org>: https://gcc.gnu.org/g:37c0297f864394ddceba143ad410a6eb44a3119e commit r8-9986-g37c0297f864394ddceba143ad410a6eb44a3119e Author: Jakub Jelinek <ja...@redhat.com> Date: Fri Feb 14 12:48:05 2020 +0100 backport: re PR c++/92648 (Handling of unknown attributes) Backported from mainline 2019-11-26 Jakub Jelinek <ja...@redhat.com> PR c++/92648 * parser.c (cp_parser_std_attribute): For unknown attributes, skip balanced token seq instead of trying to parse attribute-argument-clause as expression list. * g++.dg/cpp0x/gen-attrs-71.C: New test.