LayoutTests/js/script-tests/dfg-cfg-simplify-redundant-dead-get-local.js

description(
"Tests if the CFG simplifier gracefully handles the case where Block #1 and #2 are merged, #1 has a dead GetLocal, and #2 has a live GetLocal on the same local."
);

var array;

var getDist = function () {
    // a conditional absolutely MUST be here for the whole thing to break.
    // the return value is irrelevant

    if (false) return "I'm irrelevant!";

    return Math.sqrt(5);
}


var calcError = function(){
    var dist = 0; // initialisation is necessary for the bug to occur

    true && (dist = getDist());

    array.push(dist);
}

dfgShouldBe(calcError, "array = []; calcError(); array[0]", "2.23606797749979");