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omochimetaru 6/19/2020 9:26 AM
class C1 { init(b: Int) {} convenience init(c: Int) { self.init(b: 1) } convenience init(d: Int) { self.init(b: 1) } } class C2: C1 { init(f: Int) {} convenience init(c: Int) { self.init(f: 1) } } C2(d: 1) // NG