gcc/testsuite/rust/compile/issue-3556.rs - gcc.git - Git at Google

 fn main() {
     let ref mut a @ (ref mut b,);
     // { dg-error "expected T\\?, found tuple" "" { target *-*-* } .-1 }
 }
	fn main() {
	let ref mut a @ (ref mut b,);
	// { dg-error "expected T\\?, found tuple" "" { target --* } .-1 }
	}