tests/ui/lto/all-crates.rs - rust-lang/rust - Git at Google

 //@ run-pass

 //@ compile-flags: -Clto=thin
 //@ no-prefer-dynamic
 //@ ignore-backends: gcc

 fn main() {
     println!("hello!");
 }
	//@ run-pass

	//@ compile-flags: -Clto=thin
	//@ no-prefer-dynamic
	//@ ignore-backends: gcc

	fn main() {
	println!("hello!");
	}