// 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

let t{{class c{{}class A{struct c{{}struct S{func c{protocol k{class c{func f{struct A{func a{struct S{class A{struct S{var e{(_={