bug1620189.js - mozsearch

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function test(...a) {

    // Overwrites the parameter |a|, but otherwise isn't used within this

    // function, which should allow to optimise away the function expression.

    // On bailout, this instruction can be safely repeated.

    function a() {}

    // Read an element from the implicit |arguments| binding to ensure the

    // arguments object gets created.

    assertEq(arguments[0], 0);

test(0);