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: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/f5797aeb2410e2259028142b87595fe71f03e531/11.4.8.js/buggy/js/tests/ecma/Expressions/11.4.8.js