On Sun, Feb 26, 2023 at 6:36 PM Alexei Podtelezhnikov
<[email protected]> wrote:
> [...]
> Would it perhaps be better if clang used [[fallthrough]] instead of
> __attribute__((fallthrough))? They have supported [[fallthrough]]
> since at least 3.5.0 circa 2014. In this particular case they are
> ahead of GCC and towards the standard acceptance.
> https://releases.llvm.org/3.5.0/tools/clang/docs/AttributeReference.html
I think the best course of action is to use a C comment. GCC and Clang
recognize them, and it does not require compiler extensions or new C
language features:
switch (n)
{
case 1:
n--;
/* fallthrough */
case 0:
/* do something */
break;
default:
/* do something else */
}
Jeff
