tst_qsgpositioners crashes on exit

Program received signal SIGSEGV, Segmentation fault.
0xb6053932 in QBasicAtomicInt::load (this=0x0) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:99
99 int load() const

(gdb) bt
#0 0xb6053932 in QBasicAtomicInt::load (this=0x0) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:99
#1 0xb606f391 in QtPrivate::RefCount::ref (this=0x0) at ../../include/QtCore/../../src/corelib/tools/qrefcount.h:60
#2 0xb60a15ef in QList (this=0xbffff3b8, l=...) at ../../include/QtCore/../../src/corelib/tools/qlist.h:118
#3 0xb609fe1a in QOpenGLContextGroup::shares (this=0x815f2b8) at kernel/qopenglcontext.cpp:373
#4 0xb60a089d in ~QOpenGLMultiGroupSharedResource (this=0x828f1d0, __in_chrg=<value optimized out>)
at kernel/qopenglcontext.cpp:537
#5 0xb63275a0 in ~QGlobalStaticDeleter (this=0xb646fe88, __in_chrg=<value optimized out>)
at ../../include/QtCore/../../src/corelib/global/qglobal.h:1920
#6 0xb58801bf in __run_exit_handlers (status=2, listp=0xb59a7324, run_list_atexit=true) at exit.c:78
#7 0xb588022f in *__GI_exit (status=2) at exit.c:100
#8 0xb5867bde in _libc_start_main (main=0x8064ebf <main>, argc=1, ubp_av=0xbffff504, init=0x8068000 <_libc_csu_init>,
fini=0x8067ff0 <__libc_csu_fini>, rtld_fini=0xb7ff1030 <_dl_fini>, stack_end=0xbffff4fc) at libc-start.c:258
#9 0x0804b2a1 in _start ()