[Bug c++/55189] enable -Wreturn-type by default

[egallager at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55189

Eric Gallager <egallager at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |egallager at gcc dot gnu.org,
                   |                            |marxin at gcc dot gnu.org

--- Comment #11 from Eric Gallager <egallager at gcc dot gnu.org> ---
cc-ing Martin Liska because I think he fixed this recently