rem: delete F.prototype; 
add: try { delete F.prototype; } catch (e) { } 
context: function testDontDelete(F){  var orig = F.prototype;  delete F.prototype;  return F.prototype === orig;}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/f5797aeb2410e2259028142b87595fe71f03e531/15.11.7.6-002.js/buggy/js/tests/ecma_3/Exceptions/15.11.7.6-002.js