[Bug tree-optimization/108374] [12/13 Regression] unexpected -Wstringop-overflow when using std::atomic and std::shared_ptr

[romain.geissler at amadeus dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108374

--- Comment #1 from Romain Geissler <romain.geissler at amadeus dot com> ---
I forgot to mention: this happens on x86-64 with -O1.