Mark Dilger <mark.dilger@enterprisedb.com> writes:
> I have now found lots of cases of this failure. I *believe* the backreference is always greater than 1, and it is
alwaysin a capture group which then has the {0} or {0,0} applied to it.
Hm. I thought that this might be an old issue, but I'm not seeing the
crash in pre-v14 branches. That means it's some bug introduced in
the performance improvements I did a few months ago. Open item added.
regards, tom lane