// RUN: not --crash %target-swift-frontend %s -parse
// XFAIL: no_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

f g
}
struct d<i : b> : b {
    typealias b = i
    typealias g = a<d<i>i) {
}
let d = a
d()
a=d g a=d
protocol a : a {
}
class a {
    typealias b = b