diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 97ad1a09f5d..73873924a1b 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2018-08-22  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR ld/23536
+	* development.sh (experimental): New.
+
 2018-08-22  Helge Deller  <deller@gmx.de>
 	Nick Clifton  <nickc@redhat.com>
 
diff --git a/bfd/development.sh b/bfd/development.sh
index 27a7150e6de..086e3d1ddbe 100644
--- a/bfd/development.sh
+++ b/bfd/development.sh
@@ -17,3 +17,6 @@
 
 # Controls whether to enable development-mode features by default.
 development=true
+
+# Indicate whether this is a release branch.
+experimental=true