[PATCH] D67983: [ObjC] Diagnose implicit type coercion from ObjC 'Class' to object pointer types.

[Nico Weber via Phabricator via cfe-commits]

thakis added a comment.

> While the default metaclass does in fact implement the one method NSCopying declares, it's not possible within the language to declare that the Class -- itself, as an instance -- implements the instance methods from the NSCopying protocol.

Should the compiler just know that then?

> You can fix the code just by doing `@{(id)clz : val}`, since id is freely castable to anything.


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  https://reviews.llvm.org/D67983/new/

https://reviews.llvm.org/D67983