[luatex] failed assertion leading to errror in luatex for document working in pdf and xe tex

[David Carlisle]

This was reported by a user on stackexchange

http://tex.stackexchange.com/q/237723


I get the error


assertion "varmem[(p)].hh.v.RH!=null" failed: file
"../../../texk/web2c/luatexdir/tex/mlist.w", line 2542, function:
make_ord
Aborted (core dumped)


David