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 // |jit-test| slow;

 load(libdir + "parallelarray-helpers.js");

 function mergeSorted(l1, l2) {

   var result = [];

   var i1 = 0, i2 = 0, j = 0;

   while (i1 < l1.length && i2 < l2.length) {

     if (l1[i1] < l2[i2])

       result[j++] = l1[i1++];

     else

       result[j++] = l2[i2++];

   }

   while (i1 < l1.length) {

     result[j++] = l1[i1++];

   }

   while (i2 < l2.length) {

     result[j++] = l2[i2++];

   }

   return result;

 }

 function test() {

   var elts = [];

   var ints = range(1, 5), c = 0;

   // Using 2048 as the length of elts induces bailouts due to GC.

   // This exposed various bugs.

   for (var i = 0; i < 2048; i++)

     elts[i] = ints;

   var scanned1 = seq_scan(elts, mergeSorted);

   var scanned2 = elts.scanPar(mergeSorted);

   assertStructuralEq(scanned1, scanned2);

 }

 if (getBuildConfiguration().parallelJS)

   test();