diff --git a/include/ChangeLog b/include/ChangeLog
index f70cebd91..ece1aae36 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,8 @@
+2008-09-09  Jason Merrill  <jason@redhat.com>
+
+	* demangle.h (enum demangle_component_type): Add
+	DEMANGLE_COMPONENT_DECLTYPE.
+
 2008-08-25  Alan Modra  <amodra@bigpond.net.au>
 
 	* binary-io.h: New file, imported from gnulib, but don't
diff --git a/include/demangle.h b/include/demangle.h
index 78e022dff..146d778e0 100644
--- a/include/demangle.h
+++ b/include/demangle.h
@@ -370,7 +370,9 @@ enum demangle_component_type
      subtree is the first part and the right subtree the second.  */
   DEMANGLE_COMPONENT_COMPOUND_NAME,
   /* A name formed by a single character.  */
-  DEMANGLE_COMPONENT_CHARACTER
+  DEMANGLE_COMPONENT_CHARACTER,
+  /* A decltype type.  */
+  DEMANGLE_COMPONENT_DECLTYPE
 };
 
 /* Types which are only used internally.  */