kishikawakatsumi

protocol P1 { associatedtype Input } extension P1 { typealias InputP1 = Input } protocol P2 { associatedtype Input } extension P2 { typealias InputP2 = Input } struct Box<T> {} extension Box: P1 where T: P1 { typealias InputP1 = T.InputP1 } extension Box: P2 where T: P2 { typealias Input = T.InputP2 } func inputType<T>(_ type: T.Type) -> T.Input.Type where T: P2 { fatalError() } struct A: P2, P1 { typealias Input = Int } let _ = inputType(Box<A>.self)

Version:

swift-DEVELOPMENT-SNAPSHOT-2018-12-15-a

Output:

Error:

Fatal error: file /usercode/main.swift, line 28 Current stack trace: 0 libswiftCore.so 0x00007f51ac83c200 _swift_stdlib_reportFatalErrorInFile + 115 1 libswiftCore.so 0x00007f51ac7773fc <unavailable> + 3396604 2 libswiftCore.so 0x00007f51ac7774ee <unavailable> + 3396846 3 libswiftCore.so 0x00007f51ac582f2a <unavailable> + 1347370 4 libswiftCore.so 0x00007f51ac742f42 <unavailable> + 3182402 5 libswiftCore.so 0x00007f51ac5822f9 <unavailable> + 1344249 8 swift 0x0000000000cec7de <unavailable> + 9357278 9 swift 0x0000000000cf09f2 <unavailable> + 9374194 10 swift 0x0000000000515eff <unavailable> + 1138431 11 swift 0x00000000004eae3e <unavailable> + 962110 12 swift 0x00000000004e6712 <unavailable> + 943890 ...

6:30 AM

stderr-latest.txt

1.92 KB