[Dev-luatex] Segmentation fault if \patterns{} is dumped

[Heiko Oberdiek]

Hello,

I got a segmentation fault and could reduce the problem to the
following example using "luatex -ini".

\catcode`{=1
\catcode`}=2
\patterns{}
\dump

Yours sincerely
  Heiko <oberdiek at uni-freiburg.de>