tests/ui/extern/extern-macro.rs - rust - Git at Google

 // #41719

 fn main() {
     enum Foo {}
     let _ = Foo::bar!(); //~ ERROR cannot find macro `bar` in enum `Foo`
 }
	// #41719

	fn main() {
	enum Foo {}
	let _ = Foo::bar!(); //~ ERROR cannot find macro `bar` in enum `Foo`
	}