2002-10-18  Mark Mitchell  <mark@codesourcery.com>

	* class.c (base_derived_from): Make sure return value is a bool.

Index: class.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/cp/class.c,v
retrieving revision 1.479
diff -c -5 -p -r1.479 class.c
*** class.c	18 Oct 2002 09:26:42 -0000	1.479
--- class.c	18 Oct 2002 21:46:17 -0000
*************** dfs_base_derived_from (tree binfo, void 
*** 2223,2233 ****
     subobject.  */
   
  static bool
  base_derived_from (tree derived, tree base)
  {
!   return dfs_walk (derived, dfs_base_derived_from, NULL, base);
  }
  
  typedef struct find_final_overrider_data_s {
    /* The function for which we are trying to find a final overrider.  */
    tree fn;
--- 2223,2233 ----
     subobject.  */
   
  static bool
  base_derived_from (tree derived, tree base)
  {
!   return dfs_walk (derived, dfs_base_derived_from, NULL, base) != NULL_TREE;
  }
  
  typedef struct find_final_overrider_data_s {
    /* The function for which we are trying to find a final overrider.  */
    tree fn;