src/share/classes/com/sun/tools/javadoc/JavadocTool.java

*** 418,428 ****
       */
      List<JCClassDecl> listClasses(List<JCCompilationUnit> trees) {
          ListBuffer<JCClassDecl> result = new ListBuffer<JCClassDecl>();
          for (JCCompilationUnit t : trees) {
              for (JCTree def : t.defs) {
!                 if (def.getTag() == JCTree.CLASSDEF)
                      result.append((JCClassDecl)def);
              }
          }
          return result.toList();
      }
--- 418,428 ----
       */
      List<JCClassDecl> listClasses(List<JCCompilationUnit> trees) {
          ListBuffer<JCClassDecl> result = new ListBuffer<JCClassDecl>();
          for (JCCompilationUnit t : trees) {
              for (JCTree def : t.defs) {
!                 if (def.getTag() == JCTree.Tag.CLASSDEF)
                      result.append((JCClassDecl)def);
              }
          }
          return result.toList();
      }