anchor.diff:              }
               var notInScope = 3;
             }
  -
  -          static int staticField = 0;
  -          int field;
           }
   
           int global = 42;
  
positive.code: 
      group('Expression compiler extension symbols tests', () {
        var source = '''
          ${setup.dartLangComment}
  
          main() {
            List<int> list = [];
            list.add(0);
  
negative.code: 
      group('Expression compiler scope collection tests', () {
        var source = '''
          class C {
            static int staticField = 0;
            int field;
  
            C(this.field);
  
            void methodFieldAccess(int x) {
  