[Bug tree-optimization/106922] [12 Regression] Bogus uninitialized warning on boost::optional<>>, missed FRE

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106922

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[12/13 Regression] Bogus    |[12 Regression] Bogus
                   |uninitialized warning on    |uninitialized warning on
                   |boost::optional<<std::vecto |boost::optional<<std::vecto
                   |r<std::string>>>, missed    |r<std::string>>>, missed
                   |FRE                         |FRE
      Known to work|                            |13.0

--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
I verified the fix cherry-picks to GCC 12 and fixes the testcase there as well
(on x86_64-linux, that is).