[Bug c/67629] bogus -Wreturn-type in a function with tautological if-else

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67629

--- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> ---
See also bug 68336, which may be a possible duplicate of this one.