dot crashed with SIGSEGV in layout()

[Selçuk Köprü]

Binary package hint: graphviz

dot is crashing while building the pdf file:
$ cat struct.gv | fdp -Tpdf > struct.pdf
Segmentation fault (core dumped)

struct.gv file is attached.

thanks.

ProblemType: Crash
Architecture: i386
CrashCounter: 1
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/bin/dot
Package: graphviz 2.20.2-3ubuntu2
ProcCmdline: fdp -Tpdf
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, user)
 LANG=en_US.UTF-8
Signal: 11
SourcePackage: graphviz
StacktraceTop:
 layout ()
 layout ()
 fdpLayout ()
 fdp_layout ()
 gvLayoutJobs () from /usr/lib/libgvc.so.4
Title: dot crashed with SIGSEGV in layout()
Uname: Linux 2.6.28-16-generic i686
UserGroups: adm admin audio cdrom dialout lpadmin plugdev pulse-rt sambashare

[Apport retracing service (apport)]

StacktraceTop:layout (g=0x85ce800, infop=0xbfd1d038) at layout.c:486
layout (g=0x85cb840, infop=0xbfd1d038) at layout.c:889
fdpLayout (g=0x85cb840) at layout.c:1067
fdp_layout (g=0x85cb840) at layout.c:1109
gvLayoutJobs (gvc=0x85bf810, g=0x85cb840) at gvlayout.c:69