Re: [PATCH] ARM: xor-neon: Replace __GNUC__ checks with CONFIG_CC_IS_GCC

From: Arnd Bergmann
Date: Fri May 31 2019 - 17:07:22 EST

On Fri, May 31, 2019 at 10:06 PM 'Nick Desaulniers' via Clang Built
Linux <clang-built-linux@xxxxxxxxxxxxxxxx> wrote:
> On Fri, May 31, 2019 at 12:21 PM Arnd Bergmann <arnd@xxxxxxxx> wrote:
> > clang, I would suggest dropping your patch then, and instead adding
> I disagree. The minimum version of gcc required to build the kernel
> is 4.6, so the comment about older versions of gcc is irrelevant and
> should be removed.

Sure, that's ok. It just feels wrong to remove a warning that points
to a real problem that still exists and can be detected at the moment.

If we think that clang-9 is going to be fixed before its release,
the warning could be changed to test for that version as a minimum,
and point to the bugzilla entry for more details.