[Bug tree-optimization/58689] Enhance returns_nonnull

[egallager at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58689

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2017-09-29
                 CC|                            |egallager at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #8 from Eric Gallager <egallager at gcc dot gnu.org> ---
Confirmed that -Wsuggest-attribute=returns_nonnull would be nice to have.