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    SubjectRe: [PATCH 02/10] compiler.h: drop fallback overflow checkers
    On Fri, Sep 10, 2021 at 04:40:39PM -0700, Nick Desaulniers wrote:
    > Once upgrading the minimum supported version of GCC to 5.1, we can drop
    > the fallback code for !COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW.
    >
    > Effectively a revert of
    > commit f0907827a8a9 ("compiler.h: enable builtin overflow checkers and
    > add fallback code")
    >
    > Link: https://github.com/ClangBuiltLinux/linux/issues/1438#issuecomment-916745801
    > Suggested-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
    > Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>

    With Nathan's comments addressed:

    Acked-by: Kees Cook <keescook@chromium.org>

    -Kees

    --
    Kees Cook

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