[Bug tree-optimization/78902] Add warn_unused_attribute for builtins with alloc_size

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78902

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #14 from Martin Liška <marxin at gcc dot gnu.org> ---
Implemented.