tests/ui/rust-2018/auxiliary/remove-extern-crate.rs - toolchain/rustc - Git at Google

 #[macro_export]
 macro_rules! foo {
     () => ()
 }

 #[macro_export]
 macro_rules! bar {
     () => ()
 }
	#[macro_export]
	macro_rules! foo {
	() => ()
	}

	#[macro_export]
	macro_rules! bar {
	() => ()
	}