src/test/ui/weak-new-uninhabited-issue-48493.rs - toolchain/rustc - Git at Google

 // run-pass

 fn main() {
     enum Void {}
     let _ = std::rc::Weak::<Void>::new();
     let _ = std::sync::Weak::<Void>::new();
 }
	// run-pass

	fn main() {
	enum Void {}
	let _ = std::rc::Weak::<Void>::new();
	let _ = std::sync::Weak::<Void>::new();
	}