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: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/4218d0f5950d93cb2609d946f6af7ce1b2e89575/11.7.3.js/buggy/js/tests/ecma/Expressions/11.7.3.js