swift234

AST/SILGen: Consider bridgeable value types to be bridgeable when bound to generic parameters.

We were failing to bridge Array<T> parameters in the signatures of Objective-C generics when their NSArray<T> * type in ObjC depended on generic parameters. This partially fixes rdar://problem/26371959, though IRGen still needs a fix to get us all the way through (which @rjmccall is working on).

(@DougGregor did all the work here, I'm just testing and committing.)