[Bug c++/78044] -Wmaybe-uninitialized and -O2: false positive with boost::optional

[romain.geissler at amadeus dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78044

--- Comment #1 from Romain Geissler <romain.geissler at amadeus dot com> ---
Created attachment 39844
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39844&action=edit
test.i