\once causes segfault

[Christoph Ludwig]

Hi,

the attached file causes lilypond to dump core:

  address@hidden:~/lilypond/music/test> uname -r -m -o
  2.4.21-243-default i686 GNU/Linux
  address@hidden:~/lilypond/music/test> lilypond -v | head -n 1
  GNU LilyPond 2.3.16
  address@hidden:~/lilypond/music/test> lilypond beat-length.ly
  
  Now processing `beat-length.ly'
  Parsing...
  Interpreting music... Segmentation fault

If I comment out the `\once' then everything works fine. However, then all
16th groups are subdivided every 8th but I want this only in the first
measure. 

Is there a known workaround? Or is this already fixed in 2.3.19?

Thanks

Christoph
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beat-length.ly
Description: Text document