test/mjsunit/compiler/dead-code5.js

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function dead1(a, b) {
    a * b;
    a << b;
    a >> b;
    a >>> b;
    a | b;
    a & b;
    a ^ b;
    return a;
}

function dead2(a, b) {
    (a | 0) * b;
    (a | 0) << b;
    (a | 0) >> b;
    (a | 0) >>> b;
    (a | 0) | b;
    (a | 0) & b;
    (a | 0) ^ b;
    return a;
}

function dead3(a, b) {
    a == 2 ? (a * b) : (b * a); // dead
    return a;
}

function dead4(a) {
    var z = 3;
    for (i = 0; i < 3; i++) {
        z * 3; // dead
    }
    return a;
}

function dead5(a) {
    var z = 3;
    for (i = 0; i < 3; i++) {
        z * 3; // dead
        z++;
    }
    var w = z * a;
    return a; // w is dead
}

assertTrue(dead1(33, 32) == 33);
assertTrue(dead2(33, 32) == 33);
assertTrue(dead3(33, 32) == 33);
assertTrue(dead4(33) == 33);
assertTrue(dead5(33) == 33);

assertTrue(dead1(34, 7) == 34);
assertTrue(dead2(34, 7) == 34);
assertTrue(dead3(34, 7) == 34);
assertTrue(dead4(34) == 34);
assertTrue(dead5(34) == 34);

assertTrue(dead1(3.4, 0.1) == 3.4);
assertTrue(dead2(3.4, 0.1) == 3.4);
assertTrue(dead3(3.4, 0.1) == 3.4);
assertTrue(dead4(3.4) == 3.4);
assertTrue(dead5(3.4) == 3.4);