[Ci-reports] fail on QtBase_5.5_Integration #1564

[Qt Continuous Integration System]

Autotest `tst_qfiledialog @ /work/build/qt/qtbase/tests/auto/widgets/dialogs/qfiledialog' failed :(

  Testing tst_QFiledialog
  QFATAL : tst_QFiledialog::historyBack() Received signal 11
  FAIL!  : tst_QFiledialog::historyBack() Received a fatal error.
     Loc: [Unknown file(0)]
  Totals: 46 passed, 1 failed, 1 skipped, 0 blacklisted
  QtQA::App::TestRunner: Process exited due to signal 6
  QtQA::App::TestRunner: Sorry, a crash report could not be found in /Users/qt/Library/Logs/CrashReporter.
  QtQA::App::TestRunner: test failed, running again to see if it is flaky...
  ********* Start testing of tst_QFiledialog *********
  Config: Using QtTest library 5.5.1, Qt 5.5.1 (x86_64-little_endian-lp64 shared (dynamic) release build; by Clang 6.0 (clang-600.0.54) (Apple))
  PASS   : tst_QFiledialog::initTestCase()
  PASS   : tst_QFiledialog::currentChangedSignal()
  QWARN  : tst_QFiledialog::directoryEnteredSignal() QMutex: destroying locked mutex
  QFATAL : tst_QFiledialog::directoryEnteredSignal() Received signal 11
  FAIL!  : tst_QFiledialog::directoryEnteredSignal() Received a fatal error.
     Loc: [Unknown file(0)]
  Totals: 2 passed, 1 failed, 0 skipped, 0 blacklisted
  ********* Finished testing of tst_QFiledialog *********
  QtQA::App::TestRunner: Process exited due to signal 6
  QtQA::App::TestRunner: Sorry, a crash report could not be found in /Users/qt/Library/Logs/CrashReporter.
  QtQA::App::TestRunner: test failure could be reproduced twice consecutively
  QtQA::App::TestRunner: end tst_qfiledialog: 20 seconds, signal 6

  Build log: http://testresults.qt.io/ci/QtBase_5.5_Integration/build_01564/macx-clang_developer-build_OSX_10.9/log.txt.gz

  Tested changes (refs/builds/5.5_1436784887):
    http://codereview.qt-project.org/120690 [PS1] - QComboBox: Fix compilation with QT_NO_COMPLETER
    http://codereview.qt-project.org/120863 [PS1] - Doc: Updated online template with the latest footer
    http://codereview.qt-project.org/121283 [PS2] - Use QImageReader::setAutoTransform() in examples.
    http://codereview.qt-project.org/121156 [PS1] - Windows: Fix crash when using wmain() and passing a fake argv.
    http://codereview.qt-project.org/121235 [PS2] - Fix crash in QOpenGLTexture