https://bugs.exim.org/show_bug.cgi?id=1651
Philip Hazel <ph10@???> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|NEW |RESOLVED
--- Comment #1 from Philip Hazel <ph10@???> ---
The length of the pattern was not relevant. This pattern also broke it:
/(?=di(?<=(?1))|(?=(.))))/
The important thing was the excess closing parenthesis. It should never have
been calling find_fixedlength in this circumstance. I have committed the patch.
It is so trivial that I reproduce it here as well:
--- pcre_compile.c (revision 1569)
+++ pcre_compile.c (working copy)
@@ -9449,7 +9449,7 @@
exceptional ones forgo this. We scan the pattern to check that they are fixed
length, and set their lengths. */
-if (cd->check_lookbehind)
+if (errorcode == 0 && cd->check_lookbehind)
{
pcre_uchar *cc = (pcre_uchar *)codestart;
--
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