js/src/jit-test/tests/basic/testBug878429.js


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function negZeroMinusNegZero()
{
  var x = -0.0;
  var y = -0.0;
  return +(x - y);
}

assertEq(1 / negZeroMinusNegZero(), Infinity);
assertEq(1 / negZeroMinusNegZero(), Infinity);