anchor.diff:  #import('../../../lib/compiler/implementation/util/util.dart');
   #import('../../../lib/compiler/implementation/util/uri_extras.dart');
   #import('../../../lib/compiler/implementation/dart2js.dart');
  -#import('../../../lib/compiler/implementation/ssa/ssa.dart');
   #import('mirrors.dart');
   #import('util.dart');
   #import('dart:io');
  
positive.code:       }
        // canonical name is TypeName.constructorName
        _canonicalName = '$_name.$_constructorName';
      } else if (_name.startsWith('operator\$')) {
        String str = _name.substring(9);
        _name = 'operator';
  
negative.code:         _name = _name.substring(0, dollarPos);
          // canonical name is TypeName.constructorName
          _canonicalName = '$_name.$_constructorName';
        } else {
          // canonical name is TypeName
          _canonicalName = _name;
  