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~ubuntu-branches/ubuntu/saucy/mozjs17/saucy-proposed 

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// overflows occurring during constant folding

var y = -null - y;
assertEq(y, NaN);

var x = -(void 0);
assertEq(x, NaN);

function overdiv() {
  for(var i=0; i<25; i++) {
    var a, b;
    function f() { 
    }
    a = f();
    b = (123 ^ 1) / 1234;
  }
}
overdiv();

function overadd() {
  var a = 0x7ffffff0;
  var b = 100;
  return a + b;
}
overadd();