Issue 1440 in lilypond: \book(part) containing page-marker as only element segfaults

[lilypond]

Status: Accepted
Owner: ----
Labels: Type-Defect Priority-Critical

New issue 1440 by n.puttock: \book(part) containing page-marker as only  
element segfaults
http://code.google.com/p/lilypond/issues/detail?id=1440

\version "2.13.42"

\book { \label #'foo }

Program received signal SIGSEGV, Segmentation fault.
0x00000000005989cc in Page_breaking::system_count_bounds (
    this=0x7fffffff8fa0, chunks=..., min=false) at page-breaking.cc:705
705           else if (system_specs_[sys].pscore_)
(gdb) bt
#0  0x00000000005989cc in Page_breaking::system_count_bounds (
    this=0x7fffffff8fa0, chunks=..., min=false) at page-breaking.cc:705
#1  0x0000000000598818 in Page_breaking::max_system_count (
    this=0x7fffffff8fa0, start=0, end=0) at page-breaking.cc:682
#2  0x000000000058b942 in Optimal_page_breaking::solve (this=0x7fffffff8fa0)

system_specs_ is empty since there's no music or markup in the book.