[PATCH] D122895: [C89/C2x] Improve diagnostics around strict prototypes in C

[Tom Honermann via Phabricator via cfe-commits]

tahonermann added a comment.

> I think it's debatable whether this is a bug or not

For C99 through C17, I kind of agree, but for C2x (where the warning is still issued with `-Wstrict-prototypes`), my understanding is that `void foo(void)` and `void foo()` are equivalent; there is no unprototyped declaration. I think the diagnostic should at least be suppressed for C2x since we don't want to encourage programmers to explicitly add `void` when targeting that standard.


Repository:
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  https://reviews.llvm.org/D122895/new/

https://reviews.llvm.org/D122895