re PR c++/28114 (ICE with struct definition in argument of template function)

	PR c++/28114
	* name-lookup.c (pushtag): Return if we have error_mark_node.

From-SVN: r114953

gcc/cp/ChangeLog

 2006-06-23  Steve Ellcey  <sje@cup.hp.com>
 
+	PR c++/28114
+	* name-lookup.c (pushtag): Return if we have error_mark_node.
+
+2006-06-23  Steve Ellcey  <sje@cup.hp.com>
+
 	PR c++/27019
 	* typeck2.c (process_init_constructor_array): Set ce->value on errors.
 

gcc/cp/name-lookup.c

@@ -4872,7 +4872,11 @@ pushtag (tree name, tree type, tag_scope scope)
 	    pushdecl_class_level (decl);
 	}
       else if (b->kind != sk_template_parms)
-	decl = pushdecl_with_scope (decl, b, /*is_friend=*/false);
+	{
+	  decl = pushdecl_with_scope (decl, b, /*is_friend=*/false);
+	  if (decl == error_mark_node)
+	    POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, decl);
+	}
 
       TYPE_CONTEXT (type) = DECL_CONTEXT (decl);