// RUN: not %target-swift-frontend %s -parse // Distributed under the terms of the MIT license // Test case submitted to project by https://github.com/practicalswift (practicalswift) // Test case found by fuzzing struct A { func g(h: (A, U) -> U) -> (A, U) -> U { return { _, x in return x func b(c) -> (() -> d) { } func a(b: Int = 0) { } let c = a c()