On MSVC the values stored end up as negative.
Task-number: QTBUG-132902
Pick-to: 6.9 6.8 6.5
Change-Id: I963c57c34479041911c1364a1100d04998bdfaed
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>