// 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

{{
let g=c
}
class B<T where a=f{
enum S{
class b
enum b{{
}struct S{
let a=b{
