JSTests/stress/copy-data-properties-fast-path.js - WebKit - Git at Google

 //@ runDefault("--slowPathAllocsBetweenGCs=4", "--watchdog=100", "--watchdog-exception-ok")

 function foo() {
   let { ...r } = { xx:0 };
   foo();
 }

 try {
     foo();
 } catch { }
	//@ runDefault("--slowPathAllocsBetweenGCs=4", "--watchdog=100", "--watchdog-exception-ok")

	function foo() {
	let { ...r } = { xx:0 };
	foo();
	}

	try {
	foo();
	} catch { }