swift-mirror/validation-test/compiler_crashers_fixed/01979-swift-parser-parseexprclosure.swift

// 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

class b<T where T: A = 0] = nil
func a<Y> {
return b: Sequence> Bool {
func b> Self {
() {
}
}