tst_QObject::recursiveSignalEmission fails on Ubuntu 20.04 ARM

agent:2020/05/04 05:15:34 build.go:253: /home/qt/work/qt/qtbase/tests/auto/corelib/kernel/qobject/target_wrapper.sh ./tst_qobject recursiveSignalEmission -maxwarnings 0
agent:2020/05/04 05:15:34 build.go:253: ********* Start testing of tst_QObject *********
agent:2020/05/04 05:15:34 build.go:253: Config: Using QtTest library 6.0.0, Qt 6.0.0 (arm-little_endian-ilp32-eabi-hardfloat shared (dynamic) release build; by GCC 8.3.0)
agent:2020/05/04 05:15:34 build.go:253: PASS : tst_QObject::initTestCase()
agent:2020/05/04 05:15:34 build.go:253: FAIL! : tst_QObject::recursiveSignalEmission() Compared values are not the same
agent:2020/05/04 05:15:34 build.go:253: Actual (proc.exitStatus()) : CrashExit
agent:2020/05/04 05:15:34 build.go:253: Expected (QProcess::NormalExit): NormalExit
agent:2020/05/04 05:15:34 build.go:253: Loc: [tst_qobject.cpp(2986)]
agent:2020/05/04 05:15:34 build.go:253: PASS : tst_QObject::cleanupTestCase()
agent:2020/05/04 05:15:34 build.go:253: Totals: 2 passed, 1 failed, 0 skipped, 0 blacklisted, 106ms
agent:2020/05/04 05:15:34 build.go:253: ********* Finished testing of tst_QObject *********
agent:2020/05/04 05:15:34 build.go:253: make[1]: *** [Makefile.test:334: check] Error 1
agent:2020/05/04 05:15:34 build.go:253: make[1]: Leaving directory '/home/qt/work/qt/qtbase/tests/auto/corelib/kernel/qobject'
agent:2020/05/04 05:15:34 build.go:253: make: *** [Makefile:340: sub-test-pro-check] Error 2
agent:2020/05/04 05:15:34 build.go:304: Process finished with error: exit status 2