tests/ui/parser/attribute/attr-bad-meta.rs - rust-lang/rust - Git at Google

 #[path*] //~ ERROR expected one of `(`, `::`, `=`, `[`, `]`, or `{`, found `*`
 mod m {}
	#[path] //~ ERROR expected one of `(`, `::`, `=`, `[`, `]`, or `{`, found ``
	mod m {}