// RUN: not --crash %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

func f{class B{struct B{class A{class b{struct S{func a{struct S<T where h:c{enum S{class A{}class b:A
