js/src/jit-test/tests/basic/bug839420.js


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function f() {
    var x = undefined;
    try {
	[1, 2, 3].map(x);
	assertEq(0, 1);
    } catch(e) {
	assertEq(e.toString().includes("x is not"), true);
    }

    try {
	[1, 2, 3].filter(x, 1, 2);
	assertEq(0, 1);
    } catch(e) {
	assertEq(e.toString().includes("x is not"), true);
    }
}
f();