WIN64: 'expression did not evaluate to a constant' errors for QtBase qsizepolicy builds using MSVC 15.8

        cd qsizepolicy\ && ( if not exist Makefile C:\libQT-5.12-dev\build\qtbase\bin\qmake.exe -o Makefile C:\libQT-5.12-dev\build\qtbase\tests\auto\widgets\kernel\qsizepolicy\qsizepolicy.pro ) && C:\Windows\jom.exe -f Makefile
        C:\Windows\jom.exe -f Makefile.Release
        cl -c -nologo -Zc:wchar_t -FS -Zc:rvalueCast -Zc:inline -Zc:strictStrings -Zc:throwingNew -Zc:referenceBinding -Zc:__cplusplus -O2 -MD -std:c++14 -utf-8 -EHsc -W3 -w34100 -w34189 -w44996 -w44456 -w44457 -w44458 -wd4577 -wd4467 -DUNICODE -D_UNICODE -DWIN32 -DWIN64 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DQT_NO_DEBUG -DQT_FORCE_ASSERTS -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_TESTLIB_LIB -DQT_CORE_LIB -DQT_TESTCASE_BUILDDIR="\"C:/libQT-5.12-dev/build/qtbase/tests/auto/widgets/kernel/qsizepolicy\"" -DNDEBUG -I. -I..\..\..\..\..\include\QtWidgets\5.12.0 -I..\..\..\..\..\include\QtWidgets\5.12.0\QtWidgets -I..\..\..\..\..\include -I..\..\..\..\..\include\QtWidgets -I..\..\..\..\..\include\QtGui\5.12.0 -I..\..\..\..\..\include\QtGui\5.12.0\QtGui -I..\..\..\..\..\include\QtGui -I..\..\..\..\..\include\QtANGLE -I..\..\..\..\..\include\QtCore\5.12.0 -I..\..\..\..\..\include\QtCore\5.12.0\QtCore -I..\..\..\..\..\include\QtTest -I..\..\..\..\..\include\QtCore -I.moc\release -I"C:\Program Files (x86)\VulkanSDK\include" -I..\..\..\..\..\mkspecs\win32-msvc -Fo.obj\release\ @C:\Users\test\AppData\Local\Temp\tst_qsizepolicy.obj.9392.31.jom
tst_qsizepolicy.cpp
tst_qsizepolicy.cpp(119): error C2131: expression did not evaluate to a constant
C:\libqt-5.12-dev\build\qtbase\include\qtcore\../../src/corelib/tools/qalgorithms.h(747): note: failure was caused by call of undefined function or one not declared 'constexpr'
C:\libqt-5.12-dev\build\qtbase\include\qtcore\../../src/corelib/tools/qalgorithms.h(747): note: see usage of 'QAlgorithmsPrivate::qt_builtin_ctz'
tst_qsizepolicy.cpp(120): error C2131: expression did not evaluate to a constant
C:\libqt-5.12-dev\build\qtbase\include\qtcore\../../src/corelib/tools/qalgorithms.h(747): note: failure was caused by call of undefined function or one not declared 'constexpr'
C:\libqt-5.12-dev\build\qtbase\include\qtcore\../../src/corelib/tools/qalgorithms.h(747): note: see usage of 'QAlgorithmsPrivate::qt_builtin_ctz'
jom: C:\libQT-5.12-dev\build\qtbase\tests\auto\widgets\kernel\qsizepolicy\Makefile.Release [.obj\release\tst_qsizepolicy.obj] Error 2
jom: C:\libQT-5.12-dev\build\qtbase\tests\auto\widgets\kernel\qsizepolicy\Makefile [release] Error 2