Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0x0000000000000008
0x00007fff89943a95 in CFGetTypeID ()
(gdb) bt
#0  0x00007fff89943a95 in CFGetTypeID ()
#1  0x0000000100a344df in QSystemLocale::query (this=0x101123aa8, type=QSystemLocale::UILanguages, in=@0x7fff5fbff9b8) at tools/qlocale_mac.mm:441
#2  0x0000000100b4a750 in QLocale::uiLanguages (this=0x7fff5fbffa00) at qlocale.cpp:3652
#3  0x0000000100002a9d in main (argc=1, argv=0x7fff5fbffa98) at main.cpp:9

(gdb) frame 1
#1  0x0000000100a344df in QSystemLocale::query (this=0x101123aa8, type=QSystemLocale::UILanguages, in=@0x7fff5fbff9b8) at tools/qlocale_mac.mm:441
441	        CFTypeID typeId = CFGetTypeID(languages);
Current language:  auto; currently objective-c++
Warning: the current language does not match this frame.
(gdb) print languages
$1 = {
  type = 0x0
}