[Bug c/83656] missing -Wbuiltin-declaration-mismatch on declaration without prototype

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83656

Martin Sebor <msebor at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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--- Comment #3 from Martin Sebor <msebor at gcc dot gnu.org> ---
Patch: https://gcc.gnu.org/ml/gcc-patches/2018-06/msg01645.html