// 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

let g = compose<T>("
struct Q<(self.c = { x }
self)"A> T](t: A.c {
class A {
struct e {
enum S<T where g: I) {
enum S<U : C
