2005-03-24  Jeff Johnston  <jjohnstn@redhat.com>

	* valops.c (check_field_in): Use check_typedef for base classes
	to avoid problems with opaque type references.

--- gdb-6.3/gdb/valops.c.fix	2005-03-24 19:07:09.000000000 -0500
+++ gdb-6.3/gdb/valops.c	2005-03-24 19:08:31.000000000 -0500
@@ -1,6 +1,6 @@
 /* Perform non-arithmetic operations on values, for GDB.
    Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
-   1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+   1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
    Free Software Foundation, Inc.
 
    This file is part of GDB.
@@ -2315,8 +2315,13 @@ check_field_in (struct type *type, const
     }
 
   for (i = TYPE_N_BASECLASSES (type) - 1; i >= 0; i--)
-    if (check_field_in (TYPE_BASECLASS (type, i), name))
-      return 1;
+    {
+      /* Check the base classes.  Make sure we have the real type for 
+         each base class as opposed to an opaque declaration.  */
+      struct type *baseclass = check_typedef (TYPE_BASECLASS (type, i));
+      if (check_field_in (baseclass, name))
+        return 1;
+    }
 
   return 0;
 }