// 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

struct Q<a{{}struct S<T where g:A{class d{{
}class d
func b{{}
class a
class b:a
func f{{}enum S<T>:d
