tree-mudflap.c (mx_register_decls): Tolerate decl trees resulting from source code with errors.

2004-05-17  Frank Ch. Eigler  <fche@redhat.com>

	* tree-mudflap.c (mx_register_decls): Tolerate decl trees resulting
	from source code with errors.

From-SVN: r81945

gcc/ChangeLog

+2004-05-17  Frank Ch. Eigler  <fche@redhat.com>
+
+	* tree-mudflap.c (mx_register_decls): Tolerate decl trees resulting
+	from source code with errors.
+
 2004-05-17  Ranjit Mathew  <rmathew@hotmail.com>
 
 	Enable tree browser for all front ends.

gcc/tree-mudflap.c

@@ -743,6 +743,7 @@ mx_register_decls (tree decl, tree *stmt_list)
       if ((TREE_CODE (decl) == VAR_DECL || TREE_CODE (decl) == PARM_DECL) &&
           (! TREE_STATIC (decl)) && /* auto variable */
           (! DECL_EXTERNAL (decl)) && /* not extern variable */
+          (TREE_TYPE (decl) != error_mark_node) && /* not decl with error */
           (COMPLETE_OR_VOID_TYPE_P (TREE_TYPE (decl))) && /* complete type */
           (! mf_marked_p (decl)) && /* not already processed */
           (TREE_ADDRESSABLE (decl))) /* has address taken */