tests/ui/type-inference/unbounded-type-param-in-fn.rs - rust - Git at Google

 fn foo<T>() -> T {
     panic!()
 }

 fn main() {
     foo(); //~ ERROR type annotations needed
 }
	fn foo<T>() -> T {
	panic!()
	}

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