// 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 k<q>() -> [n<q>] {
    r []
}
func k(l: Int = 0) {
}
n n = k
n()
func n<q {
    l n {
        func o
        o _ = o
    }
}
func ^(k: m, q) -> q {
    r !(k)
}
protocol k {
  j q
  j o = q
  j f = q
}
class l<r : n, l : n p r.q == l> : k {
}
class l<r, l> {
}
protocol n {
    j q
}
protocol k : k {
}
class k<f : l, q : l p f.q == q> {
}
protocol l {
    j q
    j o
}
struct n<r : l>