https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103497
--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The trunk branch has been updated by Jason Merrill <ja...@gcc.gnu.org>: https://gcc.gnu.org/g:ca912a39cccdd990ef705768faa7311ac210b3f3 commit r14-2814-gca912a39cccdd990ef705768faa7311ac210b3f3 Author: Nathaniel Shead <nathanielosh...@gmail.com> Date: Fri Jun 30 17:05:24 2023 +1000 c++: Fix ICE with parameter pack of decltype(auto) [PR103497] This patch ensures 'type_uses_auto' also checks for usages of 'auto' in parameter packs. PR c++/103497 gcc/cp/ChangeLog: * pt.cc (type_uses_auto): Check inside parameter packs. gcc/testsuite/ChangeLog: * g++.dg/cpp1y/decltype-auto-103497.C: New test. Signed-off-by: Nathaniel Shead <nathanielosh...@gmail.com>