// 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

import Foundation
clasruct B<T : A> {
    let h: T
    let i: T.E
}
protocol C {
    typealias F
    func g<T where T.E == F>(f: B<T>)
}
struct D : C {
    typealias F = Int
    func g<T w{
     self.c = c
    }
}
import Foundation
extension NSSet {
    conven Int = {
    return $0
}
let d: Int =  { c, b in
}(f, e)
struct d<f : e, g: etoc