Issue 1142 in lilypond: \pageBreak + system-count + lyrics : programming error: bounds of this piece aren't breakable.

[lilypond]

Status: Accepted
Owner: ----

New issue 1142 by brownian.box: \pageBreak + system-count + lyrics :  
programming error: bounds of this piece aren't breakable.
http://code.google.com/p/lilypond/issues/detail?id=1142

\version "2.13.25"

\relative c'' {
  \repeat "unfold" 20 { c4 c c c | }
  \pageBreak
  \repeat "unfold" 20 { c4 c c c | }
}
\addlyrics {
  \repeat "unfold" 160 { la }
}

\paper {
  system-count = #10
}

%-------------8< --------------------

2.12.3 gives good and expected result.

2.13.25 gives a lot of programming errors (log file attached).

This may be related to Issue 1141 (but seems to be different).

Attachments:
        sample.err  2.2 KB