// 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 a{{enum A{func b{let g{func a{func a{class a{protocol d{protocol C{class A{enum S{func b{{func b{{}=c
