Crash in tst_QPixmapCache::remove()

********* Start testing of tst_QPixmapCache *********
Config: Using QtTest library 5.9.0, Qt 5.9.0 (x86_64-little_endian-llp64 shared (dynamic) debug build; by MSVC 2015)
PASS   : tst_QPixmapCache::initTestCase()
PASS   : tst_QPixmapCache::cacheLimit()
PASS   : tst_QPixmapCache::setCacheLimit()
PASS   : tst_QPixmapCache::find()
PASS   : tst_QPixmapCache::insert()
PASS   : tst_QPixmapCache::replace()
A crash occurred in C:\dev\qt5-dev-debug\qtbase\tests\auto\gui\image\qpixmapcache\debug\tst_qpixmapcache.exe.
Function time: 2ms Total time: 766ms

Exception address: 0x00007FFD809FB195
Exception code   : 0xc0000005
Nearby symbol    : qHash

Stack:
#  1: windowsFaultHandler() - 0x00007FFD94FFC660
#  2: UnhandledExceptionFilter() - 0x00007FFDA3365E50
#  3: memset() - 0x00007FFDA6A5C980
#  4: _C_specific_handler() - 0x00007FFDA6A46B40
#  5: _chkstk() - 0x00007FFDA6A5AA80
#  6: RtlImageNtHeaderEx() - 0x00007FFDA69F9490
#  7: KiUserExceptionDispatcher() - 0x00007FFDA6A59C80
#  8: qHash() - 0x00007FFD809FB180
#  9: qHash<QPixmapCache::Key>() - 0x00007FFD809FC5E0
# 10: QHash<QPixmapCache::Key,QCache<QPixmapCache::Key,QPixmapCacheEntry>::Node>::findNode() - 0x00007FFD809FEA30
# 11: QHash<QPixmapCache::Key,QCache<QPixmapCache::Key,QPixmapCacheEntry>::Node>::find() - 0x00007FFD809FE890
# 12: QCache<QPixmapCache::Key,QPixmapCacheEntry>::remove() - 0x00007FFD809FFB30
# 13: QPMCache::remove() - 0x00007FFD809FB940
# 14: QPixmapCache::remove() - 0x00007FFD809FB030
# 15: tst_QPixmapCache::remove() - 0x00007FF63ED75320
# 16: tst_QPixmapCache::qt_static_metacall() - 0x00007FF63ED72610
# 17: QMetaMethod::invoke() - 0x0000000050AF3920
# 18: QMetaMethod::invoke() - 0x00000000506E9D00
# 19: QTest::TestMethods::invokeTestOnData() - 0x00007FFD94FF9920
# 20: QTest::TestMethods::invokeTest() - 0x00007FFD94FF93A0
# 21: QTest::TestMethods::invokeTests() - 0x00007FFD94FF8920
# 22: QTest::qExec() - 0x00007FFD94FF53D0
# 23: main() - 0x00007FF63ED779D0
# 24: invoke_main() - 0x00007FF63ED7BA90
# 25: __scrt_common_main_seh() - 0x00007FF63ED7B840
# 26: __scrt_common_main() - 0x00007FF63ED7B820
# 27: mainCRTStartup() - 0x00007FF63ED7BAE0
# 28: BaseThreadInitThunk() - 0x00007FFDA61D8350
# 29: RtlUserThreadStart() - 0x00007FFDA6A170B0