#0  size (this=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qlist.h:98
  [Error: qlist.h was not found in source tree]
#1  size (this=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qlist.h:137
  [Error: qlist.h was not found in source tree]
#2  QApplication::x11ProcessEvent (this=0x7ffec731a080, event=event@entry=0x7ffec7319b60) at kernel/qapplication_x11.cpp:3533
  [Error: qapplication_x11.cpp was not found in source tree]
#3  0x00007fab04156b52 in x11EventSourceDispatch (s=0xf96920, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
  [Error: qguieventdispatcher_glib.cpp was not found in source tree]
#4  0x00007fab016fcff7 in ?? ()
#5  0x0000000000f95560 in ?? ()
#6  0x0000000000000000 in ?? ()