// RUN: not %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 c{b<:{var a{{{{var b{protocol a{struct S{{}struct A{class B{struct S{class A{func a{class A{var:{let a{{enum a{let a{{enum S{class A{enum b{var b{{b=a