On 2019-08-13 09:50, Friedemann Kleint wrote: > > > VC++ 2019 > > Just for the record, this compiler still has a number of optimizer > bugs, > see https://bugreports.qt.io/browse/QTQAINFRA-2875 . Also JFTR: Peppe found one of the bugs rumoured to be a MSVC bug was a problem in _our_ code, the compiler just took advantage of UB :)