On 18 July 2013 17:14, Richard Henderson <r...@twiddle.net> wrote:
> At -O2, code in the form
>
> if (p) A; B; if (p) C;
>
> may be rearranged via "jump threading" into
>
> if (p) { A; B; C; } else { B; }
>
> But at -O1 this doesn't happen and we -Werror out here on
> the "may be used uninitialized" orig_len. Perform this transform
> by hand so that -O1 remains a viable debugging alternative.
>
> Signed-off-by: Richard Henderson <r...@twiddle.net>
This is the same issue fixed by this (reviewed but
never applied) patch from June, isn't it?
http://patchwork.ozlabs.org/patch/251410/
thanks
-- PMM
