CppCodeMarker crashes on abstract QML types

#0  CppCodeMarker::qmlSections (this=0xbffff030, qmlClassNode=0x8223e90, style=CodeMarker::Subpage) at cppcodemarker.cpp:1298
#1  0x080e4a36 in HtmlGenerator::generateAllQmlMembersFile (this=0xbffff14c, qml_cn=qml_cn@entry=0x8223e90, marker=0xbffff030)
    at htmlgenerator.cpp:2074
#2  0x080ea022 in HtmlGenerator::generateDocNode (this=0xbffff14c, dn=0x8223e90, marker=<optimized out>) at htmlgenerator.cpp:1519
#3  0x080c30c0 in Generator::generateInnerNode (this=0xbffff14c, node=0x8223e90) at generator.cpp:972
#4  0x080c2f9d in Generator::generateInnerNode (this=0xbffff14c, node=0x81b61d4) at generator.cpp:981
#5  0x080bea8c in Generator::generateTree (this=this@entry=0xbffff14c) at generator.cpp:1335
#6  0x080f8315 in HtmlGenerator::generateTree (this=0xbffff14c) at htmlgenerator.cpp:254
#7  0x08100c20 in processQdocconfFile (fileName=...) at main.cpp:483
#8  0x0804fe7d in main (argc=2, argv=0xbffff394) at main.cpp:634

classMap->second.insert(key,*c);

ClassMap* classMap = 0;
<...>
if (!current->isAbstract()) {
    classMap = new ClassMap;
    classMap->first = current;
    all.classMapList_.append(classMap);
}