https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103848
--- Comment #11 from CVS 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:76a45931ab7c831e32cebf13a6317e5e142f8151 commit r12-6261-g76a45931ab7c831e32cebf13a6317e5e142f8151 Author: Jonathan Wakely <jwak...@redhat.com> Date: Tue Jan 4 21:57:16 2022 +0000 libstdc++: Avoid -Wzero-as-null-pointer-constant warning [PR103848] libstdc++-v3/ChangeLog: PR libstdc++/103848 * include/bits/stl_deque.h (operator-): Do not use 0 as null pointer constant.