tests/ui/consts/static-cycle-error.rs - toolchain/rustc - Git at Google

 //@ check-pass

 struct Foo {
     foo: Option<&'static Foo>
 }

 static FOO: Foo = Foo {
     foo: Some(&FOO),
 };

 fn main() {}
	//@ check-pass

	struct Foo {
	foo: Option<&'static Foo>
	}

	static FOO: Foo = Foo {
	foo: Some(&FOO),
	};

	fn main() {}