[Reg:4.12->4.13]: Android: parsing of qmake project emits warnings

When parsing a (Qt 5.15.0 based) qmake based project, this appears in the General Messages pane:

C:/Qt/5.15.0/android/mkspecs/features/android/android_deployment_settings.prf(78): contains(): Encountered invalid regular expression '.*\qmake_qmake_immediate.qrc$'.

Source: https://code.qt.io/cgit/qt/qtbase.git/tree/mkspecs/features/android/android_deployment_settings.prf#n78

Has it to do with our porting of the (forked) qmake parser from QRegExp to QRegularExpression? Plain qmake does not emit that message.