| // RUN: %target-swift-frontend -emit-object -O %s |
| |
| // This is a compile-only test. It checks that the compiler does not crash for |
| // a (not executed) bitcast with different sizes. This appears in the |
| // specialized version fo myDictionaryBridge. |
| // <rdar://problem/17821040> |
| |
| // A minimized version of _dictionaryBridgeToObjectiveC that used to be in the |
| // stdlib |
| public func myDictionaryBridge< |
| SrcType, DestType |
| >( |
| _ source: Dictionary<SrcType, Int>, _ keyBridgesDirectly : Bool |
| ) -> DestType? { |
| |
| for (key, value) in source { |
| if keyBridgesDirectly { |
| var bridgedKey = unsafeBitCast(key, to: DestType.self) |
| return bridgedKey |
| } |
| } |
| return nil |
| } |
| |
| var dict1 = Dictionary<String, Int>() |
| |
| var res : Int? = myDictionaryBridge(dict1, false) |
| |
