#0  std::_List_base<triangle_stripper::common_structures::graph_array<triangle_stripper::triangle, char>::arc, std::allocator<triangle_stripper::common_structures::graph_array<triangle_stripper::triangle, char>::arc> >::_M_clear (
    this=<value optimized out>) at /usr/include/c++/4.1.3/bits/list.tcc:76
#1  0x4be64171 in triangle_stripper::tri_stripper::Strip (this=<value optimized out>,
    out_pPrimitivesVector=<value optimized out>) at /usr/include/c++/4.1.3/bits/stl_list.h:339
#2  0x4be6b28a in osgUtil::TriStripVisitor::stripify (this=<value optimized out>, geom=<value optimized out>)
    at /home/cvs/OpenSceneGraph/src/osgUtil/TriStripVisitor.cpp:401
#3  0x4be6c8e5 in osgUtil::TriStripVisitor::stripify (this=<value optimized out>)
    at /home/cvs/OpenSceneGraph/src/osgUtil/TriStripVisitor.cpp:573
#4  0x4bdde431 in osgUtil::Optimizer::optimize (this=<value optimized out>, node=<value optimized out>,
    options=<value optimized out>) at /home/cvs/OpenSceneGraph/src/osgUtil/Optimizer.cpp:282
#5  0x085868e3 in simgear::OptimizeModelPolicy::optimize (this=0x875f188, node=0xb5294de8, fileName=@0xe9e2bd8,
    opt=0xf36d488) at ModelRegistry.cxx:319
#6  0x0858cc70 in simgear::ModelRegistryCallback<simgear::DefaultProcessPolicy, simgear::DefaultCachePolicy, simgear::OptimizeModelPolicy, simgear::DefaultCopyPolicy, simgear::OSGSubstitutePolicy>::readNode (this=0x875f180,
    fileName=@0xe9e2bd8, opt=0xf36d488) at ModelRegistry.hxx:96
#7  0x08586e8b in simgear::ModelRegistry::readNode (this=0x875f8c0, fileName=@0xe9e2bd8, opt=0xf36d488)
    at ModelRegistry.cxx:412
#8  0x4bbd33b8 in osgDB::readRefNodeFile (filename=<value optimized out>, options=<value optimized out>)
    at /home/cvs/OpenSceneGraph/include/osgDB/Registry:206
#9  0x4bbb3305 in osgDB::DatabasePager::run (this=<value optimized out>)
    at /home/cvs/OpenSceneGraph/src/osgDB/DatabasePager.cpp:705
#10 0x4b68f13b in OpenThreads::ThreadPrivateActions::StartThread (data=<value optimized out>)
    at /home/cvs/OpenSceneGraph/src/OpenThreads/pthreads/PThread.c++:170
#11 0x4b83b46b in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#12 0x4b7906de in clone () from /lib/tls/i686/cmov/libc.so.6
(gdb) f 7
#7  0x08586e8b in simgear::ModelRegistry::readNode (this=0x875f8c0, fileName=@0xe9e2bd8, opt=0xf36d488)
    at ModelRegistry.cxx:412
412         return _defaultCallback->readNode(fileName, opt);
(gdb) print fileName
$1 = (const string &) @0xe9e2bd8: {static npos = 4294967295,
  _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0xd7cd7d4 "/usr/local/share/FlightGear/data/AI/Aircraft/737/737-Continental.xml"}}