[Type checker] Handle explicit conversion of bridged generic types. #4764
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The type checker had some logic for performing specific checking for explicit bridging casts of generic types based on knowledge of Array/Dictionary/Set, but pretended no other bridged generic types existed. That's incorrect now; simply require them to match exactly. Fixes rdar://problem/27539951.
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@swift-ci please smoke test and merge |
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The type checker had some logic for performing specific checking for
explicit bridging casts of generic types based on knowledge of
Array/Dictionary/Set, but pretended no other bridged generic types
existed. That's incorrect now; simply require them to match exactly.
Resolves rdar://problem/27539951.