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: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/f5797aeb2410e2259028142b87595fe71f03e531/tostring-2.js/buggy/js/tests/js1_2/function/tostring-2.js