[Bug tree-optimization/104475] [12/13 Regression] Wstringop-overflow + atomics incorrect warning on dynamic object

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104475

--- Comment #22 from Richard Biener <rguenth at gcc dot gnu.org> ---
Re-ordering m_mutex and continuationMutex avoids the bogus diagnostic.