[luatex] bug related to attribute and math

[Dohyun Kim]

HI,

On compiling following tex code, I get failed assertion error.

$ cat t.tex
\attributedef\xyz 11
\xyz-1
$\dot{}$
\bye

$ luatex t.tex
This is LuaTeX, Version snapshot-0.33.1-2009022016 (Web2C 7.5.7)
(t.tex../../../../src/texk/web2c/luatexdir/tex/mlist.c:1854: failed
assertion `type(varmem[((q)+1)].hh.v.LH)==attribute_list_node'
Abort trap

$ luatex -version
This is LuaTeX, Version snapshot-0.33.1-2009022016, build 1880

Dohyun Kim