testBug582766.js - mozsearch

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expected = 4;

var fourth = { nextSibling: null };

var third  = { nextSibling: fourth };

var second = { nextSibling: third };

var first  = { nextSibling: second };

function f() {

  let loopcount = 0;

  for (let node = first; node; node = node.nextSibling) {

    loopcount++;

  return loopcount;

actual = f();

assertEq(actual, expected);