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Subject: [Bug libstdc++/105957] __n * sizeof(_Tp) might overflow under
 consteval context for std::allocator
Date: Wed, 03 Aug 2022 13:46:54 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105957

--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-12 branch has been updated by Jonathan Wakely
<redi@gcc.gnu.org>:

https://gcc.gnu.org/g:2ef2de76dae5cac14e0de77ca7205e43be03ab22

commit r12-8655-g2ef2de76dae5cac14e0de77ca7205e43be03ab22
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Tue Jun 14 14:37:25 2022 +0100

    libstdc++: Check for size overflow in constexpr allocation [PR105957]

    libstdc++-v3/ChangeLog:

            PR libstdc++/105957
            * include/bits/allocator.h (allocator::allocate): Check for
            overflow in constexpr allocation.
            * testsuite/20_util/allocator/105975.cc: New test.

    (cherry picked from commit 0a9af7b4ef1b8aa85cc8820acf54d41d1569fc10)=