b = ToUint32BitString( b ); b = b.substring( b.length - n ); b = ToUint32Decimal( b ); return ( b ); 
b = ToUint32BitString( b ); b = b.substring( b.length - n ); b = ToUint32Decimal( b ); return ( b ); 
function Mask( b, n ) {    b = ToUint32BitString( b );    b = b.substring( b.length - n );    b = ToUint32Decimal( b );    return ( b );}
5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5872/3703c3c05f398a63e55992f7687ef65273b26d6a/11.7.2.js/buggy/js/tests/ecma/Expressions/11.7.2.js