// 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 b{
class B<T where h:b
{{}struct Q<a{{}class a{struct S{struct S{
var:a<{class
cld:a
