Matheus Tavares Bernardino <quic_mathb...@quicinc.com> wrote:
> __builtin_ctzll() produces undefined results when the argument is 0.
> This can be seen through test-xbzrle, which produces the following
> warning:
>
> ../migration/xbzrle.c:265: runtime error: passing zero to ctz(), which is not 
> a valid argument
>
> Replace __builtin_ctzll() with our ctz64() wrapper which properly
> handles 0.
>
> Signed-off-by: Matheus Tavares Bernardino <quic_mathb...@quicinc.com>
Reviewed-by: Juan Quintela <quint...@redhat.com>

queued.


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