[Bug rtl-optimization/95405] Unnecessary stores with std::optional from returns

[thiago at kde dot org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95405

--- Comment #11 from Thiago Macieira <thiago at kde dot org> ---
May also be related to why GCC produces warnings about uninitialised memory -
Bug 100115