Re: Issue 1248 in lilypond: GUB produces a random "unbound open-file" in regtests

[lilypond]

Updates:
        Summary: GUB produces a random "unbound open-file" in regtests
        Labels: -Type-Defect Type-Build

Comment #2 on issue 1248 by percival.music.ca: GUB produces a  
random "unbound open-file" in regtests
http://code.google.com/p/lilypond/issues/detail?id=1248

Compiling this file manually does not produce any warning.  I just tested  
another set of regtests, and this time it occurs in repeat-unfold.log.

So I guess it's a GUB issue.  :(   I don't know what it means, though, or  
how to go about debugging it.