*** ../bash-4.3/test.c	2014-02-04 16:52:58.000000000 -0500
--- test.c	2014-02-28 21:22:44.000000000 -0500
***************
*** 647,652 ****
  
      case 'R':
!       v = find_variable (arg);
!       return (v && invisible_p (v) == 0 && var_isset (v) && nameref_p (v) ? TRUE : FALSE);
      }
  
--- 647,652 ----
  
      case 'R':
!       v = find_variable_noref (arg);
!       return ((v && invisible_p (v) == 0 && var_isset (v) && nameref_p (v)) ? TRUE : FALSE);
      }
  
***************
*** 724,727 ****
--- 724,728 ----
      case 'u': case 'v': case 'w': case 'x': case 'z':
      case 'G': case 'L': case 'O': case 'S': case 'N':
+     case 'R':
        return (1);
      }