[Bug c/71199] Support overloadable attribute in GNU C front-end

[dje at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71199

David Edelsohn <dje at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2016-05-19
     Ever confirmed|0                           |1