tst_QMdiArea::setViewport() Received a fatal error on OS X

========= Received signal, dumping stack ==============
(lldb) process attach --pid 22161
Process 22161 stopped
* thread #1: tid = 0x108d5b, 0x00007fff8cc7591a libsystem_kernel.dylib`__wait4_nocancel + 10, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
    frame #0: 0x00007fff8cc7591a libsystem_kernel.dylib`__wait4_nocancel + 10
libsystem_kernel.dylib`__wait4_nocancel:
->  0x7fff8cc7591a <+10>: jae    0x7fff8cc75924            ; <+20>
    0x7fff8cc7591c <+12>: movq   %rax, %rdi
    0x7fff8cc7591f <+15>: jmp    0x7fff8cc70c53            ; cerror_nocancel
    0x7fff8cc75924 <+20>: retq   

Executable module set to "/Users/qt/work/qt/qtbase/tests/auto/widgets/widgets/qmdiarea/tst_qmdiarea".
Architecture set to: x86_64-apple-macosx.
(lldb) bt all
* thread #1: tid = 0x108d5b, 0x00007fff8cc7591a libsystem_kernel.dylib`__wait4_nocancel + 10, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
  * frame #0: 0x00007fff8cc7591a libsystem_kernel.dylib`__wait4_nocancel + 10
    frame #1: 0x00007fff8fe4621c libsystem_c.dylib`system + 459
    frame #2: 0x000000010bcf6264 libQt5Test.5.dylib`___lldb_unnamed_function15$$libQt5Test.5.dylib + 164
    frame #3: 0x000000010bcf6175 libQt5Test.5.dylib`___lldb_unnamed_function14$$libQt5Test.5.dylib + 197
    frame #4: 0x00007fff9899df1a libsystem_platform.dylib`_sigtramp + 26
    frame #5: 0x000000010b278d85 libQt5Widgets.5.dylib`QWidget::setGeometry(QRect const&) + 21
    frame #6: 0x000000010b403b8d libQt5Widgets.5.dylib`QAbstractScrollAreaPrivate::layoutChildren() + 2733
    frame #7: 0x000000010b404bb6 libQt5Widgets.5.dylib`QAbstractScrollArea::event(QEvent*) + 966
    frame #8: 0x000000010b3a2c17 libQt5Widgets.5.dylib`QMdiArea::event(QEvent*) + 727
    frame #9: 0x000000010b23b03d libQt5Widgets.5.dylib`QApplicationPrivate::notify_helper(QObject*, QEvent*) + 269
    frame #10: 0x000000010b23d942 libQt5Widgets.5.dylib`QApplication::notify(QObject*, QEvent*) + 5906
    frame #11: 0x000000010bf1a954 libQt5Core.5.dylib`QCoreApplication::notifyInternal2(QObject*, QEvent*) + 164
    frame #12: 0x000000010b29cd98 libQt5Widgets.5.dylib`___lldb_unnamed_function544$$libQt5Widgets.5.dylib + 120
    frame #13: 0x000000010b29b424 libQt5Widgets.5.dylib`___lldb_unnamed_function535$$libQt5Widgets.5.dylib + 1060
    frame #14: 0x000000010b23b03d libQt5Widgets.5.dylib`QApplicationPrivate::notify_helper(QObject*, QEvent*) + 269
    frame #15: 0x000000010b23d942 libQt5Widgets.5.dylib`QApplication::notify(QObject*, QEvent*) + 5906
    frame #16: 0x000000010bf1a954 libQt5Core.5.dylib`QCoreApplication::notifyInternal2(QObject*, QEvent*) + 164
    frame #17: 0x000000010b819813 libQt5Gui.5.dylib`QGuiApplicationPrivate::processGeometryChangeEvent(QWindowSystemInterfacePrivate::GeometryChangeEvent*) + 339
    frame #18: 0x000000010b7ff23b libQt5Gui.5.dylib`QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 155
    frame #19: 0x000000010b7fb5cc libQt5Gui.5.dylib`QWindowSystemInterface::flushWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 572
    frame #20: 0x000000010e3ef0a5 libqcocoa.dylib`___lldb_unnamed_function356$$libqcocoa.dylib + 2165
    frame #21: 0x000000010bf243a4 libQt5Core.5.dylib`QMetaMethod::invoke(QObject*, Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) const + 1348
    frame #22: 0x000000010e3eb72c libqcocoa.dylib`___lldb_unnamed_function314$$libqcocoa.dylib + 572
    frame #23: 0x00007fff8f40639c Foundation`-[__NSObserver _doit:] + 307
    frame #24: 0x00007fff96aef45c CoreFoundation`__CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__ + 12
    frame #25: 0x00007fff969df634 CoreFoundation`_CFXNotificationPost + 3140
    frame #26: 0x00007fff935a37a9 AppKit`-[NSView _postFrameChangeNotification] + 422
    frame #27: 0x00007fff935a2fab AppKit`-[NSView setFrameSize:] + 2059
    frame #28: 0x00007fff93617311 AppKit`-[NSWindow _oldPlaceWindow:] + 1603
    frame #29: 0x00007fff9361651d AppKit`-[NSWindow _setFrameCommon:display:stashSize:] + 2562
    frame #30: 0x00007fff9371170e AppKit`__25-[NSWindow setStyleMask:]_block_invoke + 2142
    frame #31: 0x00007fff93630bdb AppKit`NSPerformWithScreenUpdatesDisabled + 65
    frame #32: 0x00007fff93710e22 AppKit`-[NSWindow setStyleMask:] + 222
    frame #33: 0x00007fff938a5f90 AppKit`-[NSWindow _resignFullScreenWindowAndExitFullScreen:] + 148
    frame #34: 0x00007fff93e3653d AppKit`-[_NSWindowFullScreenTransition failedToEnterFullScreenWithAnimation:whichIsKitAnimation:] + 64
    frame #35: 0x00007fff938981c6 AppKit`__89-[_NSFullScreenTransition _performEnterFullScreenModeAnimating:activating:customWindows:]_block_invoke384 + 1808
    frame #36: 0x00007fff941f84fc libxpc.dylib`_xpc_connection_reply_callout + 47
    frame #37: 0x00007fff941f8488 libxpc.dylib`_xpc_connection_call_reply + 36
    frame #38: 0x00007fff96647c13 libdispatch.dylib`_dispatch_client_callout + 8
    frame #39: 0x00007fff96653cbf libdispatch.dylib`_dispatch_main_queue_callback_4CF + 861
    frame #40: 0x00007fff96a863f9 CoreFoundation`__CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 9
    frame #41: 0x00007fff96a4168f CoreFoundation`__CFRunLoopRun + 2159
    frame #42: 0x00007fff96a40bd8 CoreFoundation`CFRunLoopRunSpecific + 296
    frame #43: 0x00007fff9a31756f HIToolbox`RunCurrentEventLoopInMode + 235
    frame #44: 0x00007fff9a3172ea HIToolbox`ReceiveNextEventCommon + 431
    frame #45: 0x00007fff9a31712b HIToolbox`_BlockUntilNextEventMatchingListInModeWithFilter + 71
    frame #46: 0x00007fff935d58ab AppKit`_DPSNextEvent + 978
    frame #47: 0x00007fff935d4e58 AppKit`-[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 346
    frame #48: 0x000000010e3f9b6a libqcocoa.dylib`___lldb_unnamed_function516$$libqcocoa.dylib + 1050
    frame #49: 0x000000010b19a24f tst_qmdiarea`tst_QMdiArea::setViewport() + 1039
    frame #50: 0x000000010bf243a4 libQt5Core.5.dylib`QMetaMethod::invoke(QObject*, Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) const + 1348
    frame #51: 0x000000010bcf42f8 libQt5Test.5.dylib`___lldb_unnamed_function8$$libQt5Test.5.dylib + 1160
    frame #52: 0x000000010bcf4ee4 libQt5Test.5.dylib`___lldb_unnamed_function9$$libQt5Test.5.dylib + 788
    frame #53: 0x000000010bcf5d14 libQt5Test.5.dylib`___lldb_unnamed_function12$$libQt5Test.5.dylib + 1076
    frame #54: 0x000000010bcf6937 libQt5Test.5.dylib`QTest::qExec(QObject*, int, char**) + 1143
    frame #55: 0x000000010b1ad2b9 tst_qmdiarea`main + 137
    frame #56: 0x00007fff95c935c9 libdyld.dylib`start + 1
    frame #57: 0x00007fff95c935c9 libdyld.dylib`start + 1

  thread #2: tid = 0x108d5c, 0x00007fff8cc76232 libsystem_kernel.dylib`kevent64 + 10, queue = 'com.apple.libdispatch-manager'
    frame #0: 0x00007fff8cc76232 libsystem_kernel.dylib`kevent64 + 10
    frame #1: 0x00007fff9664ad91 libdispatch.dylib`_dispatch_mgr_invoke + 247
    frame #2: 0x00007fff9664aa6a libdispatch.dylib`_dispatch_mgr_thread + 52

  thread #3: tid = 0x108d5d, 0x00007fff8cc7594a libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x00007fff8cc7594a libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff94e66b29 libsystem_pthread.dylib`_pthread_wqthread + 869
    frame #2: 0x00007fff94e643dd libsystem_pthread.dylib`start_wqthread + 13

  thread #4: tid = 0x108d5e, 0x00007fff8cc7594a libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x00007fff8cc7594a libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff94e66b29 libsystem_pthread.dylib`_pthread_wqthread + 869
    frame #2: 0x00007fff94e643dd libsystem_pthread.dylib`start_wqthread + 13

  thread #5: tid = 0x108d6f, 0x00007fff8cc7594a libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x00007fff8cc7594a libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff94e66b29 libsystem_pthread.dylib`_pthread_wqthread + 869
    frame #2: 0x00007fff94e643dd libsystem_pthread.dylib`start_wqthread + 13

  thread #6: tid = 0x108d70, 0x00007fff8cc75136 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'QThread'
    frame #0: 0x00007fff8cc75136 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff94e67560 libsystem_pthread.dylib`_pthread_cond_wait + 693
    frame #2: 0x000000010bd59aef libQt5Core.5.dylib`___lldb_unnamed_function279$$libQt5Core.5.dylib + 287
    frame #3: 0x000000010bd5992b libQt5Core.5.dylib`___lldb_unnamed_function278$$libQt5Core.5.dylib + 43
    frame #4: 0x000000010bd597f2 libQt5Core.5.dylib`QWaitCondition::wait(QMutex*, unsigned long) + 162
    frame #5: 0x000000010bcfba86 libQt5Test.5.dylib`___lldb_unnamed_function33$$libQt5Test.5.dylib + 70
    frame #6: 0x000000010bd5830a libQt5Core.5.dylib`___lldb_unnamed_function269$$libQt5Core.5.dylib + 362
    frame #7: 0x00007fff94e6705a libsystem_pthread.dylib`_pthread_body + 131
    frame #8: 0x00007fff94e66fd7 libsystem_pthread.dylib`_pthread_start + 176
    frame #9: 0x00007fff94e643ed libsystem_pthread.dylib`thread_start + 13

  thread #7: tid = 0x108d72, 0x00007fff8cc704de libsystem_kernel.dylib`mach_msg_trap + 10
    frame #0: 0x00007fff8cc704de libsystem_kernel.dylib`mach_msg_trap + 10
    frame #1: 0x00007fff8cc6f64f libsystem_kernel.dylib`mach_msg + 55
    frame #2: 0x00007fff96a41eb4 CoreFoundation`__CFRunLoopServiceMachPort + 212
    frame #3: 0x00007fff96a4137b CoreFoundation`__CFRunLoopRun + 1371
    frame #4: 0x00007fff96a40bd8 CoreFoundation`CFRunLoopRunSpecific + 296
    frame #5: 0x00007fff9369d56b AppKit`_NSEventThread + 137
    frame #6: 0x00007fff94e6705a libsystem_pthread.dylib`_pthread_body + 131
    frame #7: 0x00007fff94e66fd7 libsystem_pthread.dylib`_pthread_start + 176
    frame #8: 0x00007fff94e643ed libsystem_pthread.dylib`thread_start + 13

  thread #8: tid = 0x108da4, 0x00007fff8cc7594a libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x00007fff8cc7594a libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff94e66b29 libsystem_pthread.dylib`_pthread_wqthread + 869
    frame #2: 0x00007fff94e643dd libsystem_pthread.dylib`start_wqthread + 13
(lldb) quit
========= End of stack trace ==============
QFATAL : tst_QMdiArea::setViewport() Received signal 11
         Function time: 1286ms Total time: 14177ms
FAIL!  : tst_QMdiArea::setViewport() Received a fatal error.
   Loc: [Unknown file(0)]
Totals: 24 passed, 1 failed, 1 skipped, 0 blacklisted, 23189ms
********* Finished testing of tst_QMdiArea *********
make: *** [check] Abort trap: 6

agent:2017/01/24 14:21:11 build.go:200: Process finished with error: exit status 2
agent:2017/01/24 14:21:11 build.go:152: Error reading from stdout/err: exit status 2
agent:2017/01/24 14:21:31 build.go:270: [make check -j1] 900 1200
/Users/qt/work/qt/qtbase/tests/auto/widgets/widgets/qmdiarea/target_wrapper.sh  ./tst_qmdiarea setViewport
********* Start testing of tst_QMdiArea *********
Config: Using QtTest library 5.9.0, Qt 5.9.0 (x86_64-little_endian-lp64 shared (dynamic) release build; by Clang 7.0.2 (clang-700.1.81) (Apple))
PASS   : tst_QMdiArea::initTestCase()
PASS   : tst_QMdiArea::setViewport()
PASS   : tst_QMdiArea::cleanupTestCase()
Totals: 3 passed, 0 failed, 0 skipped, 0 blacklisted, 878ms
********* Finished testing of tst_QMdiArea *********