// 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

{
protocol P {
}
case c, length: a {
}
struct D : e: b {
var b {
func e> {
let start = {
}
}
}
}
}
protocol c : d {
func d.