src/third_party/mozjs-45/js/src/jit-test/tests/ion/bug906284.js

"use strict"
function f() {
    h = {}
}
var c = 0;
for (var i=0; i<3; i++) {
    try {
	new f();
	assertEq(0, 1);
    } catch(e) {
	c++;
	assertEq(e.message.includes("undeclared variable"), true);
    }
}
assertEq(c, 3);