Keep the c++2a feature, but make it an alias for compatibility
purposes.
Change-Id: I6f153109be84659806f1b7a57a88a187875166d8
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
(cherry picked from commit 3c412c93c251862a2791557881f9232fd76fda79)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>