michael@0: 
michael@0: // overflows occurring during constant folding
michael@0: 
michael@0: var y = -null - y;
michael@0: assertEq(y, NaN);
michael@0: 
michael@0: var x = -(void 0);
michael@0: assertEq(x, NaN);
michael@0: 
michael@0: function overdiv() {
michael@0:   for(var i=0; i<25; i++) {
michael@0:     var a, b;
michael@0:     function f() { 
michael@0:     }
michael@0:     a = f();
michael@0:     b = (123 ^ 1) / 1234;
michael@0:   }
michael@0: }
michael@0: overdiv();
michael@0: 
michael@0: function overadd() {
michael@0:   var a = 0x7ffffff0;
michael@0:   var b = 100;
michael@0:   return a + b;
michael@0: }
michael@0: overadd();