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    SubjectRe: [RFC PATCH] compiler.h: give up __compiletime_assert_fallback()
    On Tue, Aug 21, 2018 at 9:15 AM, Masahiro Yamada
    <yamada.masahiro@socionext.com> wrote:
    >> Note that there are a few definitions of BUILD_BUG_ON that still use
    >> this negative array size trick. Should that pattern be removed from
    >> them as well? See:
    >> * arch/x86/boot/boot.h#L33
    >> * include/linux/build_bug.h#L66
    >> * tools/include/linux/kernel.h#L38
    >
    > At this moment, -Wvla is the warning-3 level
    > in scripts/Makefile.extrawarn.

    We're down to a handful of VLA uses, but I don't think the negative
    cases should matter since they're _intended_ to break a compile.

    -Kees

    --
    Kees Cook
    Pixel Security

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