[luatex] Segfault with null argument to -output-comment

[luigi scarso]

On Fri, May 22, 2015 at 2:46 AM, Hironori KITAGAWA <
h_kitagawa2001 at yahoo.co.jp> wrote:

> Hello all,
>
> LuaTeX raises a segmentation fault,
> when -output-comment is just null:
>
> --- a.tex ---
> \expandafter\ifx\csname pdfoutput\endcsname\relax
>   \else\pdfoutput0 \fi
> abc\bye
> ---
>
> $ luatex -output-comment= a.tex
> This is LuaTeX, Version beta-0.80.0 (TeX Live 2015) (rev 5238)
>  restricted \write18 enabled.
> (./a.texzsh: segmentation fault (core dumped)  luatex -output-comment=
> a.tex
>
> Other engines, such as tex, pdftex (and aleph) work fine:
>
> $ tex -output-comment= a.tex
> This is TeX, Version 3.14159265 (TeX Live 2015) (preloaded format=tex)
> (./a.tex [1] )
> Output written on a.dvi (1 page, 188 bytes).
> Transcript written on a.log.
>
> $ pdftex -output-comment= a.tex
> This is pdfTeX, Version 3.14159265-2.6-1.40.16 (TeX Live 2015) (preloaded
> format=pdftex)
>  restricted \write18 enabled.
> entering extended mode
> (./a.tex [1] )
> Output written on a.dvi (1 page, 188 bytes).
> Transcript written on a.log.
>
> Regards
> Hironori KITAGAWA <h_kitagawa2001 at yahoo.co.jp>
>

Confirmed, thank you for the report .
I will fix asap.
-- 
luigi
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