src/test/ui/macros/issue-61033-1.rs - third_party/rust - Git at Google

 // Regression test for issue #61033.

 macro_rules! test1 {
     ($x:ident, $($tt:tt)*) => { $($tt)+ } //~ERROR this must repeat at least once
 }

 fn main() {
     test1!(x,);
 }
	// Regression test for issue #61033.

	macro_rules! test1 {
	($x:ident, $($tt:tt)*) => { $($tt)+ } //~ERROR this must repeat at least once
	}

	fn main() {
	test1!(x,);
	}