Yasuhiro Matsumoto wrote:
> Seems need to avoid following by zero-width.
>
> diff -r aeafe78fc869 src/regexp_nfa.c
> --- a/src/regexp_nfa.c Fri Aug 22 13:13:28 2014 +0200
> +++ b/src/regexp_nfa.c Wed Aug 27 15:35:21 2014 +0900
> @@ -4408,8 +4408,10 @@
>
> case NFA_SPLIT:
> /* order matters here */
> - subs = addstate(l, state->out, subs, pim, off);
> - subs = addstate(l, state->out1, subs, pim, off);
> + if (state->out->c != NFA_ZSTART && state->out->c != NFA_ZEND) {
> + subs = addstate(l, state->out, subs, pim, off);
> + subs = addstate(l, state->out1, subs, pim, off);
> + }
> break;
>
> case NFA_EMPTY:
Thanks! I'll check it out.
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