src/jdk.compiler/share/classes/com/sun/tools/javac/parser/JavacParser.java

*** 2564,2574 ****
          }
          case TRY: {
              nextToken();
              List<JCTree> resources = List.nil();
              if (token.kind == LPAREN) {
-                 checkSourceLevel(Feature.TRY_WITH_RESOURCES);
                  nextToken();
                  resources = resources();
                  accept(RPAREN);
              }
              JCBlock body = block();
--- 2564,2573 ----
*** 2580,2594 ****
                      nextToken();
                      finalizer = block();
                  }
              } else {
                  if (resources.isEmpty()) {
-                     if (Feature.TRY_WITH_RESOURCES.allowedInSource(source)) {
                          log.error(DiagnosticFlag.SYNTAX, pos, Errors.TryWithoutCatchFinallyOrResourceDecls);
-                     } else {
-                         log.error(DiagnosticFlag.SYNTAX, pos, Errors.TryWithoutCatchOrFinally);
-                     }
                  }
              }
              return F.at(pos).Try(resources, body, catchers.toList(), finalizer);
          }
          case SWITCH: {
--- 2579,2589 ----
*** 2697,2707 ****
  
      List<JCExpression> catchTypes() {
          ListBuffer<JCExpression> catchTypes = new ListBuffer<>();
          catchTypes.add(parseType());
          while (token.kind == BAR) {
-             checkSourceLevel(Feature.MULTICATCH);
              nextToken();
              // Instead of qualident this is now parseType.
              // But would that allow too much, e.g. arrays or generics?
              catchTypes.add(parseType());
          }
--- 2692,2701 ----