1 Commits (5b190629bf0187433089d16e60e7e51277865af0)

Author	SHA1	Message	Date
Dino Distefano	24728dc093	New ObjC checker for calls to @optional methods ... Summary: It is unsafe to call protocol methods defined optional. Before calling them we should check it the implementation exists by calling `if ([object respondsToSelector:selector(...)]) ...` Without the above check we get run time crashes. Reviewed By: jvillard Differential Revision: D15554951 fbshipit-source-id: f0560971b	6 years ago