[Bug libstdc++/105580] [13/14/15/16 Regression] warning "potential null pointer dereference" raised when using istreambuf_iterator and any "-O" flag

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105580

--- Comment #15 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Tomasz Kaminski <tkaminsk@gcc.gnu.org>:

https://gcc.gnu.org/g:a523d1ecc89dcb7ea205e3de22d00443d4a0d91d

commit r16-7845-ga523d1ecc89dcb7ea205e3de22d00443d4a0d91d
Author: Tomasz KamiÅski <tkaminsk@redhat.com>
Date:   Mon Mar 2 11:37:43 2026 +0100

    libstdc++: Add dg-bogus check to istreambuf_iterator/105580.cc [PR105580]

            PR libstdc++/105580

    libstdc++-v3/ChangeLog:

            * testsuite/24_iterators/istreambuf_iterator/105580.cc:
            Add dg-bogus check for warning.