decl.c (duplicate_decls): Preserve DECL_ORIGINAL_TYPE for a TYPE_DECL.

	* decl.c (duplicate_decls): Preserve DECL_ORIGINAL_TYPE for a
	TYPE_DECL.
	* typeck.c (commonparms): Remove obstack manipulations.

From-SVN: r34830

gcc/cp/ChangeLog

+2000-07-02  Mark Mitchell  <mark@codesourcery.com>
+
+	* decl.c (duplicate_decls): Preserve DECL_ORIGINAL_TYPE for a
+	TYPE_DECL.
+	* typeck.c (commonparms): Remove obstack manipulations.
+
 2000-07-01  Benjamin Chelf  <chelf@codesourcery.com>
 
         * Make-lang.in (cc1plus$(exeext)): Added c-semantics.o.

gcc/cp/decl.c

@@ -3487,6 +3487,8 @@ duplicate_decls (newdecl, olddecl)
 	  CLASSTYPE_FRIEND_CLASSES (newtype)
 	    = CLASSTYPE_FRIEND_CLASSES (oldtype);
 	}
+
+      DECL_ORIGINAL_TYPE (newdecl) = DECL_ORIGINAL_TYPE (olddecl);
     }
 
   /* Copy all the DECL_... slots specified in the new decl
@@ -8033,7 +8035,6 @@ destroy_local_var (decl)
 }
 
 
-
 /* Finish processing of a declaration;
    install its line number and initial value.
    If the length of an array type is not known before,

gcc/cp/typeck.c

@@ -263,7 +263,6 @@ commonparms (p1, p2)
   tree oldargs = p1, newargs, n;
   int i, len;
   int any_change = 0;
-  char *first_obj = (char *) oballoc (0);
 
   len = list_length (p1);
   newargs = tree_last (p1);
@@ -312,10 +311,7 @@ commonparms (p1, p2)
 	TREE_VALUE (n) = TREE_VALUE (p1);
     }
   if (! any_change)
-    {
-      obfree (first_obj);
-      return oldargs;
-    }
+    return oldargs;
 
   return newargs;
 }