tests/ui/lint/unused/unused-macro-with-follow-violation.rs - external/github.com/rust-lang/rust - Git at Google

 #![allow(unused_macros)]

 macro_rules! test {
     ($e:expr +) => () //~ ERROR not allowed for `expr` fragments
 }

 fn main() { }
	#![allow(unused_macros)]

	macro_rules! test {
	($e:expr +) => () //~ ERROR not allowed for `expr` fragments
	}

	fn main() { }