bug610592.js - mozsearch

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/* Don't confuse JIT code by making slow arrays that use inline slots inconsistently. */

function foo(a)

  assertEq(a.x, 5);

function bar()

  for (var i = 0; i < 50; i++) {

    var a = [];

    a[i] = 0;

    delete a[i];

    a.x = 5;

    foo(a);

  var b = [1,,2,,3,,4,,5];

  assertEq(b.toString(), "1,,2,,3,,4,,5");

  b.x = 0;

  assertEq(b.toString(), "1,,2,,3,,4,,5");

  delete b.x;

  delete b[8];

  delete b[6];

  delete b[4];

  assertEq(b.toString(), "1,,2,,,,,,");

bar();