rem: DEBUG.assert(DEBUG.is_array(list), "source for list comprehension was not a list"); 
add: DEBUG.assert(DEBUG.is_array(list), ("source for list comprehension was not a list, it was " + DEBUG.type(list))); 
context: function _accum(fn, list, kappa) {  DEBUG.assert(DEBUG.is_array(list), "source for list comprehension was not a list");   _accumAux(fn, list, [], kappa);}
meta: 3248	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3248/c91640d57659b6b3f2813b0bfb79cd6c34ab9fb6/jslib.js/buggy/lib/js/jslib.js