// 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

class c{class A{class A{class A{class A{class a{class A{enum C{enum C{func g{class a{}class a{class A{class A{protocol A class A:a