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: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/4218d0f5950d93cb2609d946f6af7ce1b2e89575/tostring-2.js/clean/js/tests/js1_2/function/tostring-2.js