// 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

{f:{struct B{class d{class B{enum S<T where f:a{class B{let v:(}}func a{let:{{enum S{var e{struct a
