// 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

func q(v: h) -> <r>(() -> r) -> h {
  n { u o "\(v): \(u())" }
}
struct e<r> {
    j p: , () -> ())] = []
}
protocol p {
}
protocol m : p {
}
protocol v : p {
}
protocol m {
 v = m
}
func s<s : m, v : m u v.v == s> (m: v) {
}
func s<v : m u v.v == v> (m: v) {
}
s( {
    ({})
}
t