js/src/jit-test/tests/arguments/inline-arguments-escaped-new-spread-optimization.js


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// |jit-test| --fast-warmup

function foo(...args) {
    with ({}) {}
    return {result: args.length};
}

function inner() {
    return arguments;
}

function outer0() {
    trialInline();
    var args = inner();
    return new foo(...args);
}

function outer1() {
    trialInline();
    var args = inner(1);
    return new foo(...args);
}

function outer2() {
    trialInline();
    var args = inner(1,2);
    return new foo(...args);
}

function outer3() {
    trialInline();
    var args = inner(1,2,3);
    return new foo(...args);
}

function outer4() {
    trialInline();
    var args = inner(1,2,3,4);
    return new foo(...args);
}

with ({}) {}

for (var i = 0; i < 50; i++) {
    assertEq(outer0().result, 0);
    assertEq(outer1().result, 1);
    assertEq(outer2().result, 2);
    assertEq(outer3().result, 3);
    assertEq(outer4().result, 4);
}