stress.js
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stress.js
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	function testA() {
	function inner(x) {
	return x + 1;
	}
	return inner(41);
	}
	for (let i = 0; i < 110; i++) testA();
	let rA = testA();
	console.log('[testA] non-inlined closure call:', rA, 'ok:', rA === 42);

	function testB(val) {
	function reader() {
	return val;
	}
	return reader();
	}
	for (let i = 0; i < 110; i++) testB(i);
	let rB = testB(77);
	console.log('[testB] upval read via call:', rB, 'ok:', rB === 77);

	function makeAdder(x) {
	return function (y) {
	return x + y;
	};
	}
	for (let i = 0; i < 110; i++) makeAdder(i);
	let add5 = makeAdder(5);
	let rC = add5(10);
	console.log('[testC] returned closure:', rC, 'ok:', rC === 15);

	function apply(fn, x) {
	return fn(x);
	}
	function testD(n) {
	function double_(x) {
	return x + x;
	}
	return apply(double_, n);
	}
	for (let i = 0; i < 110; i++) testD(i);
	let rD = testD(21);
	console.log('[testD] closure as argument:', rD, 'ok:', rD === 42);