// 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

class B<T where H:A{class
C{
class A{
class A<b
func c{
let a=A{
}
}
class A{
enum C{
class A{struct B
{protocol a
