rem: if ( a == null || a == void 0 ) return 0; else return a; 
add: if ( a == null || a == void 0 ) return 0; else return a; 
context: function TestOr( a ) {    if ( a == null || a == void 0 )	return 0;    else	return a;}
meta: 10520	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10520/0b675418ba636127763e94e614e62364d6caa659/tostring-2.js/buggy/js/tests/js1_2/function/tostring-2.js