Re: [PATCH 2/4] compiler_attributes.h: Add 'fallthrough' pseudo keyword for switch/case use

[Joe Perches]

On Mon, 2019-10-07 at 11:14 -0700, Nick Desaulniers wrote:
> > On Sat, Oct 5, 2019 at 6:46 PM Joe Perches <joe@xxxxxxxxxxx> wrote:
> > > Reserve the pseudo keyword 'fallthrough' for the ability to convert the
> 
> Have we precedent already for "pseudo keywords?"

Many.  see bool vs _Bool, u32 vs uint32_t, etc.

> I kind of like the
> double underscore prefix we use for attributes (which this is one of),

Linus apparently (and rightly IMO) prefers
fallthrough over __fallthrough.

https://lore.kernel.org/lkml/201909161516.A68C8239A@keescook/