tests/ui/panics/main-panic.rs - rust - Git at Google

 //@ run-fail
 //@ regex-error-pattern: thread 'main' \(\d+\) panicked at
 //@ needs-subprocess

 fn main() {
     panic!()
 }
	//@ run-fail
	//@ regex-error-pattern: thread 'main' \(\d+\) panicked at
	//@ needs-subprocess

	fn main() {
	panic!()
	}