[Bug c++/71463] [6/7 regression] unexpected warning: ignoring function return attributes on template argument

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71463

--- Comment #15 from Martin Sebor <msebor at gcc dot gnu.org> ---
As Jason explained it works as designed.  But the warning is certainly
confusing.  It doesn't help that not all attributes enjoy this special
treatment or that the manual doesn't explain it.  At a minimum, I think the
manual needs to be updated.  It would help if the warning mentioned the names
of the attributes that are being ignored and, perhaps in a note, gave a hint as
to why.