solidity/test/libyul/yulOptimizerTests/circularReferencesPruner/nested_same_name.yul

{
    {
    	function z() -> x { x := y() }
    	function y() -> x { x := z() }
    }
    {
    	function z() -> x { x := y() }
    	function y() -> x { x := z() }
    }
}
// ====
// step: circularReferencesPruner
// ----
// { }