// Distributed under the terms of the MIT license
// Test case submitted to project by https://github.com/practicalswift (practicalswift)
// Test case found by fuzzing

extension String {
func f: d
{
{
{
}
{
{
{
{
}
}
}
{
{
}
{
{
}
}
}
}
}
{
{
}
}
}
protocol d {
{
}
func g
typealias B : f
