[Bug tree-optimization/105749] Bogus maybe-uninitialized when using std::optional, regex and sstream

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105749

--- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 62304
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=62304&action=edit
Patch which I am testing