rem: b = ToUint32BitString( b ); b = b.substring( b.length - n ); b = ToUint32Decimal( b ); return ( b ); 
add: b = ToUint32BitString( b ); b = b.substring( b.length - n ); b = ToUint32Decimal( b ); return ( b ); 
context: function Mask( b, n ) {    b = ToUint32BitString( b );    b = b.substring( b.length - n );    b = ToUint32Decimal( b );    return ( b );}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8395/3703c3c05f398a63e55992f7687ef65273b26d6a/11.7.1.js/clean/js/tests/ecma/Expressions/11.7.1.js