class A { init(a: B) {} } class B: A { var s: String init() { self.s = "aaa" super.init(a: self) } }0. Program arguments: /usr/bin/swift -frontend -interpret /usercode/main.swift -disable-objc-interop -module-name main 1. While running pass #34 SILFunctionTransform "Definite Initialization" on SILFunction "@_TFC4main1BcfT_S0_". Aborted (core dumped)