seg fault

(gdb) run
Starting program: /usr/local/bin/amarok
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
QCommandLineParser: option not defined: "multipleinstances"
QCommandLineParser: option not defined: "coloroff"
QCommandLineParser: option not defined: "debug"
QCommandLineParser: option not defined: "debug-audio"
[New Thread 0x7fffe0684700 (LWP 15575)]

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff593ead0 in QCommandLineParser::isSet(QString const&) const () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
(gdb) bt
#0  0x00007ffff593ead0 in QCommandLineParser::isSet(QString const&) const () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007ffff6e4ba3d in App::handleCliArgs (this=0x7fffffffe460, cwd=...) at /home/rishabh/amaroksrc/src/amarok/src/App.cpp:267
#2  0x00007ffff6e4e768 in App::newInstance (this=0x7fffffffe460) at /home/rishabh/amaroksrc/src/amarok/src/App.cpp:621
#3  0x00007ffff6e4d59c in App::continueInit (this=0x7fffffffe460) at /home/rishabh/amaroksrc/src/amarok/src/App.cpp:437
#4  0x000000000040d862 in main (argc=1, argv=0x7fffffffe5b8) at /home/rishabh/amaroksrc/src/amarok/src/main.cpp:344