tst_qqmlecmascript::signalWithUnknownTypes() failed in developer build

qt/qtbase.git e19df161cdc14f834a278fe0939d50475864a78c..9ee6eed572df76b60248153cf16febd6156ad006:
...
qt/qtdeclarative.git e2397fafc70fd4e5b0a375989bdcf8a402cc41c3..8fc9828a369b227d94428f4015b6f5006d312517:
...

agent:2018/12/21 09:37:41 runner.go:151: Re-running tests/auto/qml/qqmlecmascript with TESTARGS=signalWithUnknownTypes
agent:2018/12/21 09:37:41 build.go:313: [make check -j1] 900 900
agent:2018/12/21 09:37:42 build.go:193: /Users/qt/work/qt/qtdeclarative/tests/auto/qml/qqmlecmascript/target_wrapper.sh  ./tst_qqmlecmascript signalWithUnknownTypes
agent:2018/12/21 09:37:42 build.go:193: [     0.000 ] qt.qpa unknown - Loading macOS (Cocoa) platform plugin for Qt 5.13.0, running on macOS 10.12.3
agent:2018/12/21 09:37:42 build.go:193: 
agent:2018/12/21 09:37:42 build.go:193:   Component     SDK version   Deployment target  
agent:2018/12/21 09:37:42 build.go:193:  ------------- ------------- -------------------
agent:2018/12/21 09:37:42 build.go:193:   Qt 5.13.0       10.12.0          10.12.0
agent:2018/12/21 09:37:42 build.go:193:   Application     10.12.0          10.12.0
agent:2018/12/21 09:37:42 build.go:193: 
agent:2018/12/21 09:37:42 build.go:193: [     0.151 D] qt.qpa.screen unknown - Updated properties for QCocoaScreen(0x7ff460f1d430, index=0, native=<NSScreen: 0x7ff460d0f5e0>, geometry=QRect(0,0 1024x768), dpr=1, name="Display")
agent:2018/12/21 09:37:42 build.go:193: [     0.151 D] qt.qpa.screen unknown - Adding QCocoaScreen(0x7ff460f1d430, index=0, native=<NSScreen: 0x7ff460d0f5e0>, geometry=QRect(0,0 1024x768), dpr=1, name="Display")
agent:2018/12/21 09:37:42 build.go:193: ********* Start testing of tst_qqmlecmascript *********
agent:2018/12/21 09:37:42 build.go:193: Config: Using QtTest library 5.13.0, Qt 5.13.0 (x86_64-little_endian-lp64 shared (dynamic) release build; by Clang 8.1.0 (clang-802.0.42) (Apple))
agent:2018/12/21 09:37:42 build.go:193: PASS   : tst_qqmlecmascript::initTestCase()
agent:2018/12/21 09:37:42 build.go:193: FAIL!  : tst_qqmlecmascript::signalWithUnknownTypes() Compared values are not the same
agent:2018/12/21 09:37:42 build.go:193:    Actual   (result.value): 0
agent:2018/12/21 09:37:42 build.go:193:    Expected (type.value)  : 144118051
agent:2018/12/21 09:37:42 build.go:193:    Loc: [tst_qqmlecmascript.cpp(3813)]
agent:2018/12/21 09:37:42 build.go:193: QDEBUG : tst_qqmlecmascript::signalWithUnknownTypes() [     0.256 D] qt.qml.gc.statistics unknown - Qml GC memory allocation statistics:
agent:2018/12/21 09:37:42 build.go:193: QDEBUG : tst_qqmlecmascript::signalWithUnknownTypes() [     0.256 D] qt.qml.gc.statistics unknown - Total memory allocated: 0
agent:2018/12/21 09:37:42 build.go:193: QDEBUG : tst_qqmlecmascript::signalWithUnknownTypes() [     0.256 D] qt.qml.gc.statistics unknown - Max memory used before a GC run: 0
agent:2018/12/21 09:37:42 build.go:193: QDEBUG : tst_qqmlecmascript::signalWithUnknownTypes() [     0.256 D] qt.qml.gc.statistics unknown - Max memory used after a GC run: 0
agent:2018/12/21 09:37:42 build.go:193: QDEBUG : tst_qqmlecmascript::signalWithUnknownTypes() [     0.256 D] qt.qml.gc.statistics unknown - Requests for different item sizes:
agent:2018/12/21 09:37:42 build.go:193: QDEBUG : tst_qqmlecmascript::signalWithUnknownTypes() [     0.256 D] qt.qml.gc.statistics unknown -      < 32  bytes:  818
agent:2018/12/21 09:37:42 build.go:193: QDEBUG : tst_qqmlecmascript::signalWithUnknownTypes() [     0.256 D] qt.qml.gc.statistics unknown -      < 64  bytes:  221
agent:2018/12/21 09:37:42 build.go:193: QDEBUG : tst_qqmlecmascript::signalWithUnknownTypes() [     0.256 D] qt.qml.gc.statistics unknown -      < 96  bytes:  515
agent:2018/12/21 09:37:42 build.go:193: QDEBUG : tst_qqmlecmascript::signalWithUnknownTypes() [     0.256 D] qt.qml.gc.statistics unknown -      < 128  bytes:  81
agent:2018/12/21 09:37:42 build.go:193: QDEBUG : tst_qqmlecmascript::signalWithUnknownTypes() [     0.256 D] qt.qml.gc.statistics unknown -      < 160  bytes:  0
agent:2018/12/21 09:37:42 build.go:193: QDEBUG : tst_qqmlecmascript::signalWithUnknownTypes() [     0.256 D] qt.qml.gc.statistics unknown -      < 192  bytes:  0
agent:2018/12/21 09:37:42 build.go:193: QDEBUG : tst_qqmlecmascript::signalWithUnknownTypes() [     0.256 D] qt.qml.gc.statistics unknown -      >= 224  bytes:  64
agent:2018/12/21 09:37:42 build.go:193: PASS   : tst_qqmlecmascript::cleanupTestCase()
agent:2018/12/21 09:37:42 build.go:193: Totals: 2 passed, 1 failed, 0 skipped, 0 blacklisted, 11ms
agent:2018/12/21 09:37:42 build.go:193: ********* Finished testing of tst_qqmlecmascript *********
agent:2018/12/21 09:37:42 build.go:193: make: *** [check] Error 1

agent:2018/12/21 10:06:32 runner.go:151: Re-running tests/auto/qml/qqmlecmascript with TESTARGS=signalWithUnknownTypes
agent:2018/12/21 10:06:32 build.go:313: [c:\users\qt\MSVC2015.bat jom check] 900 900
agent:2018/12/21 10:06:32 build.go:193: 
agent:2018/12/21 10:06:32 build.go:193: C:\Users\qt\work\qt\qtdeclarative\tests\auto\qml\qqmlecmascript>call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" amd64  
agent:2018/12/21 10:06:33 build.go:193: 
agent:2018/12/21 10:06:33 build.go:193: jom 1.1.2 - empower your cores
agent:2018/12/21 10:06:33 build.go:193: 
agent:2018/12/21 10:06:33 build.go:193: 	C:\Utils\Jom\jom.exe -f Makefile.Release check
agent:2018/12/21 10:06:34 build.go:193: 	call C:\Users\qt\work\qt\qtdeclarative\tests\auto\qml\qqmlecmascript\target_wrapper.bat  release\tst_qqmlecmascript.exe signalWithUnknownTypes
agent:2018/12/21 10:06:34 build.go:193: [     0.000 D] qt.qpa.windows unknown - TestNamespace::QWindowsContext::setProcessDpiAwareness 2
agent:2018/12/21 10:06:34 build.go:193: [     0.000 D] qt.qpa.windows unknown - TestNamespace::QWindowsIntegrationPrivate::QWindowsIntegrationPrivate DpiAwareness= 2 effective process DPI awareness= 2
agent:2018/12/21 10:06:34 build.go:193: [     0.000 D] qt.qpa.windows unknown - TestNamespace::QWindowsContext::registerWindowClass "Qt5ClipboardView" style=0x0 brush=0x0 icon=false atom=49556
agent:2018/12/21 10:06:34 build.go:193: [     0.001 D] qt.qpa.mime unknown - TestNamespace::QWindowsClipboard::registerViewer m_clipboardViewer: 0x4c0368 format listener: true next: 0x0
agent:2018/12/21 10:06:34 build.go:193: [     0.002 D] qt.qpa.windows unknown - New Monitor:  Screen "\\.\DISPLAY1" 1280x800+0+0 avail: 1280x760+0+0 physical: 339x212 DPI: 96x96 Depth: 32 Format: QImage::Format_RGB32 hMonitor: 0x10001 primary virtual desktop
agent:2018/12/21 10:06:34 build.go:193: [     0.004 D] qt.qpa.fonts unknown - TestNamespace::QWindowsFontDatabase::systemDefaultFont QFont( "MS Shell Dlg 2,8.25,-1,5,50,0,0,0,0,0" )
agent:2018/12/21 10:06:34 build.go:193: [     0.004 D] qt.qpa.windows unknown - TestNamespace::QWindowsTheme::refreshIconPixmapSizes (QSize(16, 16), QSize(32, 32), QSize(48, 48), QSize(256, 256))
agent:2018/12/21 10:06:34 build.go:193: ********* Start testing of tst_qqmlecmascript *********
agent:2018/12/21 10:06:34 build.go:193: Config: Using QtTest library 5.13.0, Qt 5.13.0 (x86_64-little_endian-llp64 shared (dynamic) release build; by MSVC 2015)
agent:2018/12/21 10:06:34 build.go:193: PASS   : tst_qqmlecmascript::initTestCase()
agent:2018/12/21 10:06:34 build.go:193: FAIL!  : tst_qqmlecmascript::signalWithUnknownTypes() Compared values are not the same
agent:2018/12/21 10:06:34 build.go:193:    Actual   (result.value): 0
agent:2018/12/21 10:06:34 build.go:193:    Expected (type.value)  : 144118051
agent:2018/12/21 10:06:34 build.go:193: tst_qqmlecmascript.cpp(3813) : failure location
agent:2018/12/21 10:06:34 build.go:193: QDEBUG : tst_qqmlecmascript::signalWithUnknownTypes() [     0.036 D] qt.qml.gc.statistics unknown - Qml GC memory allocation statistics:
agent:2018/12/21 10:06:34 build.go:193: QDEBUG : tst_qqmlecmascript::signalWithUnknownTypes() [     0.036 D] qt.qml.gc.statistics unknown - Total memory allocated: 0
agent:2018/12/21 10:06:34 build.go:193: QDEBUG : tst_qqmlecmascript::signalWithUnknownTypes() [     0.036 D] qt.qml.gc.statistics unknown - Max memory used before a GC run: 0
agent:2018/12/21 10:06:34 build.go:193: QDEBUG : tst_qqmlecmascript::signalWithUnknownTypes() [     0.036 D] qt.qml.gc.statistics unknown - Max memory used after a GC run: 0
agent:2018/12/21 10:06:34 build.go:193: QDEBUG : tst_qqmlecmascript::signalWithUnknownTypes() [     0.036 D] qt.qml.gc.statistics unknown - Requests for different item sizes:
agent:2018/12/21 10:06:34 build.go:193: QDEBUG : tst_qqmlecmascript::signalWithUnknownTypes() [     0.036 D] qt.qml.gc.statistics unknown -      < 32  bytes:  818
agent:2018/12/21 10:06:34 build.go:193: QDEBUG : tst_qqmlecmascript::signalWithUnknownTypes() [     0.036 D] qt.qml.gc.statistics unknown -      < 64  bytes:  221
agent:2018/12/21 10:06:34 build.go:193: QDEBUG : tst_qqmlecmascript::signalWithUnknownTypes() [     0.037 D] qt.qml.gc.statistics unknown -      < 96  bytes:  515
agent:2018/12/21 10:06:34 build.go:193: QDEBUG : tst_qqmlecmascript::signalWithUnknownTypes() [     0.037 D] qt.qml.gc.statistics unknown -      < 128  bytes:  81
agent:2018/12/21 10:06:34 build.go:193: QDEBUG : tst_qqmlecmascript::signalWithUnknownTypes() [     0.037 D] qt.qml.gc.statistics unknown -      < 160  bytes:  0
agent:2018/12/21 10:06:34 build.go:193: QDEBUG : tst_qqmlecmascript::signalWithUnknownTypes() [     0.037 D] qt.qml.gc.statistics unknown -      < 192  bytes:  0
agent:2018/12/21 10:06:34 build.go:193: QDEBUG : tst_qqmlecmascript::signalWithUnknownTypes() [     0.037 D] qt.qml.gc.statistics unknown -      >= 224  bytes:  64
agent:2018/12/21 10:06:34 build.go:193: PASS   : tst_qqmlecmascript::cleanupTestCase()
agent:2018/12/21 10:06:34 build.go:193: Totals: 2 passed, 1 failed, 0 skipped, 0 blacklisted, 30ms
agent:2018/12/21 10:06:34 build.go:193: ********* Finished testing of tst_qqmlecmascript *********
agent:2018/12/21 10:06:34 build.go:193: jom: C:\Users\qt\work\qt\qtdeclarative\tests\auto\qml\qqmlecmascript\Makefile.Release [check] Error 1
agent:2018/12/21 10:06:34 build.go:193: jom: C:\Users\qt\work\qt\qtdeclarative\tests\auto\qml\qqmlecmascript\Makefile [release-check] Error 2