On Fri, 11 Dec 2020 at 15:24, Thomas Huth <th...@redhat.com> wrote:
>
> Coverity always complains about switch-case statements that fall through
> the next one when there is no comment in between - which could indicate
> a forgotten "break" statement. Instead of handling these issues after
> they have been committed, it would be better to avoid them in the build
> process already. Thus let's enable the -Wimplicit-fallthrough warning now.
>
> Signed-off-by: Thomas Huth <th...@redhat.com>
> ---
>  configure | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/configure b/configure
> index 18c26e0389..dc2bc3c2f0 100755
> --- a/configure
> +++ b/configure
> @@ -2007,6 +2007,7 @@ add_to warn_flags -Wempty-body
>  add_to warn_flags -Wnested-externs
>  add_to warn_flags -Wendif-labels
>  add_to warn_flags -Wexpansion-to-defined
> +add_to warn_flags -Wimplicit-fallthrough=2

Reviewed-by: Peter Maydell <peter.mayd...@linaro.org>

Maybe mention in the commit message why =2 is our preference ?

thanks
-- PMM

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