src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/codegen/AssignSymbols.java

*** 460,470 ****
          return isOnDemand && fn != lc.getOutermostFunction();
      }
  
      @Override
      public boolean enterCatchNode(final CatchNode catchNode) {
!         final IdentNode exception = catchNode.getException();
          final Block     block     = lc.getCurrentBlock();
  
          start(catchNode);
  
          // define block-local exception variable
--- 460,470 ----
          return isOnDemand && fn != lc.getOutermostFunction();
      }
  
      @Override
      public boolean enterCatchNode(final CatchNode catchNode) {
!         final IdentNode exception = (IdentNode) catchNode.getException();
          final Block     block     = lc.getCurrentBlock();
  
          start(catchNode);
  
          // define block-local exception variable