src/test/ui/type/type-annotation-needed.rs - third_party/rust - Git at Google

 fn foo<T: Into<String>>(x: i32) {}
 //~^ NOTE required by
 //~| NOTE

 fn main() {
     foo(42);
     //~^ ERROR type annotations needed
 }
	fn foo<T: Into<String>>(x: i32) {}
	//~^ NOTE required by
	//~\| NOTE

	fn main() {
	foo(42);
	//~^ ERROR type annotations needed
	}