// 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 C{let _={{func b<d{class A{struct S{enum A{func c{{struct S{class A{class A{{}func e{a=a
