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fd4828e40a
I am doing this separately from the actual change to eliminate the option to make it easier to review.
29 lines
769 B
Swift
29 lines
769 B
Swift
// RUN: %target-swift-frontend -emit-object -O %s
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// This is a compile-only test. It checks that the compiler does not crash for
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// a (not executed) bitcast with different sizes. This appears in the
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// specialized version fo myDictionaryBridge.
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// <rdar://problem/17821040>
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// A minimized version of _dictionaryBridgeToObjectiveC that used to be in the
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// stdlib
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public func myDictionaryBridge<
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SrcType, DestType
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>(
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_ source: Dictionary<SrcType, Int>, _ keyBridgesDirectly : Bool
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) -> DestType? {
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for (key, value) in source {
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if keyBridgesDirectly {
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var bridgedKey = unsafeBitCast(key, to: DestType.self)
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return bridgedKey
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}
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}
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return nil
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}
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var dict1 = Dictionary<String, Int>()
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var res : Int? = myDictionaryBridge(dict1, false)
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