https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120778
--- Comment #14 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Jakub Jelinek <ja...@gcc.gnu.org>: https://gcc.gnu.org/g:6026a54f2faedf0be3b8e15b3e69492d21cfc082 commit r16-3062-g6026a54f2faedf0be3b8e15b3e69492d21cfc082 Author: Jakub Jelinek <ja...@redhat.com> Date: Thu Aug 7 08:53:23 2025 +0200 c++: Add testcase for CWG2577 [PR120778] And here is the last part of the paper. Contrary what the paper claims (clearly they haven't tried -pedantic nor -pedantic-errors), I think we already diagnose everything we should. 2025-08-07 Jakub Jelinek <ja...@redhat.com> PR preprocessor/120778 * g++.dg/DRs/dr2577-1.C: New test. * g++.dg/DRs/dr2577-2.C: New test. * g++.dg/DRs/dr2577-2.h: New file. * g++.dg/DRs/dr2577-3.C: New test. * g++.dg/DRs/dr2577-3.h: New file.