https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115799
--- Comment #5 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Jonathan Wakely <r...@gcc.gnu.org>: https://gcc.gnu.org/g:762ee55d369a3257997092ef7853cf9dd4d5cc4f commit r15-1879-g762ee55d369a3257997092ef7853cf9dd4d5cc4f Author: Jonathan Wakely <jwak...@redhat.com> Date: Fri Jul 5 18:58:00 2024 +0100 libstdc++: Fix memchr path in std::ranges::find for non-common range [PR115799] The memchr optimization introduced in r15-1857 needs to advance the start iterator instead of returning the sentinel. libstdc++-v3/ChangeLog: PR libstdc++/115799 * include/bits/ranges_util.h (__find_fn): Return iterator instead of sentinel. * testsuite/25_algorithms/find/constrained.cc: Check non-common contiguous sized range of char.
