// 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 f<o>() -> (o, o -> o) -> o {
o m o.j = {
}
{
o) {
r  }
}
p q) {
}
class m {
struct d<f : e, g: e where g.h == f.h> {
}
protocol e {
}
protocol A {
}
struct B<T : A> {
lett D : C {
func g<T where T.E == F>(f: B<T>) {
}
}
struct d<f : e, g: e where g.h == f.h> {
col P {
}
}
}
i   struct c {
c a(b: Int0) {
}
protocol d : b { func b
func d(e:  = { (g:A {
}
class C<D> {
init <A: A where A.B == D>(e: A.B) {
}
}
func g<T where T.E = {
}
struct D : C {
func g<T where T.E == F>(f: