[luatex] Assertion from texlang.c with reproducible example

[luigi scarso]

On Fri, Oct 30, 2020 at 4:05 AM Scott Kostyshak <skostysh at lyx.org> wrote:

> I receive an assertion when trying to compile the following example with
> lualatex:
>
> ----------------------------------
> \documentclass{book}
> \usepackage{fontspec}
> \setmainfont[Ligatures=TeX]{FreeSerif}
> \setsansfont[Ligatures=TeX]{FreeSans}
> \setmonofont{FreeMono}
> \usepackage{polyglossia}
> \setdefaultlanguage{hebrew}
> \setotherlanguage{english}
> \begin{document}
> ל- ו-\textquotedbl\textenglish[variant=american]{Page~1}“,
> \end{document}
> ----------------------------------
>
> The assertion is the following:
>
> (/usr/local/texlive/2020/texmf-dist/tex/latex/base/ts1cmr.fd)lualatex:
> ../../../texk/web2c/luatexdir/lang/texlang.c:986: hnj_hyphenation:
> Assertion `(((varmem[(wordstart)].hh.u.B1) & (1 << 0)) &&
> !((varmem[(wordstart)].hh.u.B1) & (1 << 1) ) &&
> !((varmem[(wordstart)].hh.u.B1) & (1 << 2) ))' failed.
>
> I also get the assertion if I try with lualatex-dev. I'm on an updated TeX
> Live 2020 on Ubuntu 20.10.
>
> Can others reproduce?
>
> Scott
>

yes, confirmed.

-- 
luigi
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