// RUN: not %target-swift-frontend %s -parse
// REQUIRES: asserts

// Distributed under the terms of the MIT license
// Test case submitted to project by https://github.com/practicalswift (practicalswift)
// Test case found by fuzzing

private class a<T where B : end)
protocol C {
struct S<d: a = F>
}
func b(t: C {
