$ gdb mousepad
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Reading symbols from mousepad...Reading symbols from /usr/lib/debug/usr/bin/mousepad.debug...done.
done.
(gdb) run --foo
Starting program: /usr/bin/mousepad --foo
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".

(mousepad:19529): Mousepad-ERROR **: Unknown option --foo

Program received signal SIGTRAP, Trace/breakpoint trap.
0x00007ffff629e81b in _g_log_abort (breakpoint=1) at gmessages.c:324
324     G_BREAKPOINT ();
Missing separate debuginfos, use: dnf debuginfo-install bzip2-libs-1.0.6-19.fc23.x86_64 libgcc-5.3.1-2.fc23.x86_64
(gdb) bt
#0  0x00007ffff629e81b in _g_log_abort (breakpoint=1) at gmessages.c:324
#1  g_logv (log_domain=0x5555555831a0 "Mousepad", log_level=G_LOG_LEVEL_ERROR, format=<optimized out>, args=args@entry=0x7fffffffde70) at gmessages.c:1081
#2  0x00007ffff629e98f in g_log (log_domain=<optimized out>, log_level=<optimized out>, format=<optimized out>) at gmessages.c:1119
#3  0x0000555555567bb2 in main (argc=2, argv=0x7fffffffe068) at main.c:95
(gdb)