// 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 B<T where a=b{{}
var:{{
let:{class d{struct b
let a=b{}
}}}
}struct B<T{
class b{
let:{
let a{
{
class T:b
