src/test/ui/parser/attr-dangling-in-fn.rs - toolchain/rustc - Git at Google

 // error-pattern:expected statement

 fn f() {
   #[foo = "bar"]
 }

 fn main() {
 }
	// error-pattern:expected statement

	fn f() {
	#[foo = "bar"]
	}

	fn main() {
	}