mirror of
https://github.com/mozilla/gecko-dev.git
synced 2025-02-26 20:30:41 +00:00

If class A is derived from class B, then an instance of class A can be converted to B via a static cast, so a slower QI is not needed. Differential Revision: https://phabricator.services.mozilla.com/D6861 --HG-- extra : moz-landing-system : lando