The test failure seems to be related to code optimizations and not
to the c++ standard that is used. With a recent version of MSVC
(>=19.40) the test fails on both x64 as well as ARM64 if the build
configuration does code optimizations (aka we have a release
build).
Pick-to: 6.7
Fixes: QTBUG-126349
Change-Id: I01781ea5b20f80a6cbd7ccb284d30b5d078ad958
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
(cherry picked from commit d8cb2044e3e86633c732f1f1b28926062b08b76c)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>