[Bug c/94389] __attribute__((warn_unused_result)) will warn if the result is discarded as an optimisation

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94389

Segher Boessenkool <segher at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1
                 CC|                            |segher at gcc dot gnu.org
   Last reconfirmed|                            |2020-03-30

--- Comment #2 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Earlier than that, we have


;; Function get_flags (null)
;; enabled by -tree-original


{
  return text_mode ();, 0;
}


which already has lost (and looks funny btw).

Confirmed btw.