➜  Qt  gdb Tools/QtCreator/bin/qtcreator
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Reading symbols from Tools/QtCreator/bin/qtcreator...(no debugging symbols found)...done.
(gdb) r
Starting program: /home/paulo/opt/Qt/Tools/QtCreator/bin/qtcreator
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffed61d700 (LWP 15170)]

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff6b912eb in QVariant::~QVariant() () from /home/paulo/opt/Qt/Tools/QtCreator/bin/../lib/qtcreator/libQt5Core.so.5
(gdb) bt
#0  0x00007ffff6b912eb in QVariant::~QVariant() () from /home/paulo/opt/Qt/Tools/QtCreator/bin/../lib/qtcreator/libQt5Core.so.5
#1  0x00007ffff5367c72 in QGuiApplicationPrivate::init() () from /home/paulo/opt/Qt/Tools/QtCreator/bin/../lib/qtcreator/./libQt5Gui.so.5
#2  0x00007ffff74707b2 in QApplication::QApplication(int&, char**, int) () from /home/paulo/opt/Qt/Tools/QtCreator/bin/../lib/qtcreator/libQt5Widgets.so.5
#3  0x000000000040b129 in ?? ()
#4  0x0000000000406a2c in ?? ()
#5  0x00007ffff5d8eec5 in __libc_start_main (main=0x406980, argc=1, argv=0x7fffffffe318, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffe308) at libc-start.c:287
#6  0x000000000040a985 in ?? ()
#7  0x00007fffffffe308 in ?? ()
#8  0x000000000000001c in ?? ()
#9  0x0000000000000001 in ?? ()
#10 0x00007fffffffe6b9 in ?? ()
#11 0x0000000000000000 in ?? ()