re PR c++/3395 (Attribute causes type lookup to fail. Regression.)

        PR c++/3395
        * decl.c (xref_tag): Remember early attributes in TYPE_ATTRIBUTES,
        not TREE_TYPE.
        * semantics.c (finish_class_definition): Adjust.

From-SVN: r49380

gcc/cp/ChangeLog

 2002-01-31  Jason Merrill  <jason@redhat.com>
 
+	PR c++/3395
+	* decl.c (xref_tag): Remember early attributes in TYPE_ATTRIBUTES,
+	not TREE_TYPE.
+	* semantics.c (finish_class_definition): Adjust.
+
 	Allow attributes in parms and casts.
 	* parse.y (named_parm): Don't strip attrs.
 	(declmods): Remove 'attributes' production.

gcc/cp/decl.c

@@ -12881,7 +12881,7 @@ xref_tag (code_type_node, name, globalize)
 	CLASSTYPE_DECLARED_CLASS (ref) = 0;
     }
 
-  TREE_TYPE (ref) = attributes;
+  TYPE_ATTRIBUTES (ref) = attributes;
 
   return ref;
 }

gcc/cp/semantics.c

@@ -1891,8 +1891,8 @@ finish_class_definition (t, attributes, semi, pop_scope_p)
 
   /* If we got any attributes in class_head, xref_tag will stick them in
      TREE_TYPE of the type.  Grab them now.  */
-  attributes = chainon (TREE_TYPE (t), attributes);
-  TREE_TYPE (t) = NULL_TREE;
+  attributes = chainon (TYPE_ATTRIBUTES (t), attributes);
+  TYPE_ATTRIBUTES (t) = NULL_TREE;
 
   if (TREE_CODE (t) == ENUMERAL_TYPE)
     ;

gcc/testsuite/g++.dg/ext/attrib2.C

+// Test that an early attribute doesn't confuse uses of a class.
+// { dg-do compile }
+
+struct __attribute__ ((packed)) A
+{
+  void f () const;
+};
+
+void
+A::f () const
+{
+}