Re: mainline build failure for arm64 allmodconfig with clang

[Nick Desaulniers]

On Thu, Aug 11, 2022 at 12:35 PM Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> On Thu, Aug 11, 2022 at 11:39 AM Nick Desaulniers
> <ndesaulniers@xxxxxxxxxx> wrote:
> >
> > Generally, printing an int with %hhu may truncate depending on the
> > value of the int.
>
> Yes.
>
> HOWEVER.
>
> That truncation is *LITERALLY THE MAIN REASON TO EVER USE %hhu IN THE
> FIRST PLACE*.
>
> See the issue?
>
> Warning about "this may truncate bits" when the main reason to use
> that format string in the first place is said bit truncation is kind
> of stupid, isn't it?

Yeah, I guess adding a truncate to the caller is kind of unnecessary
if you're still going to use %hhd anyways.  What are your thoughts on
this bug I've filed?
https://github.com/llvm/llvm-project/issues/57102

-- 
Thanks,
~Nick Desaulniers