[PATCH] D43787: Fix which Darwin versions have ObjC runtime with full subscripting support.

[Volodymyr Sapsai via Phabricator via cfe-commits]

vsapsai added a comment.

In https://reviews.llvm.org/D43787#1019886, @kubamracek wrote:

> Great! So the versions in `ObjCRuntime.h` didn't really match what the iOS and macOS supported?


Yes, support for assigning nil for a key for NSMutableDictionary was added in macOS 10.11, iOS 9. Earlier versions require libarclite.


https://reviews.llvm.org/D43787