From 59d521ade472e31affb1b3e925343adb95c89dd8 Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 15 Apr 2016 12:10:04 +0000
Subject: [PATCH] merge revision(s) 54596:

	* lib/irb/ext/save-history.rb: Fix NoMethodError when method is not defined.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@54597 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog                   | 4 ++++
 lib/irb/ext/save-history.rb | 2 +-
 version.h                   | 2 +-
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 3a1be9620d..28f55f2ec2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Fri Apr 15 21:10:00 2016  SHIBATA Hiroshi  <hsbt@ruby-lang.org>
+
+	* lib/irb/ext/save-history.rb: Fix NoMethodError when method is not defined.
+
 Fri Apr 15 14:52:06 2016  Elliot Winkler  <elliot.winkler@gmail.com>
 
 	* lib/forwardable.rb (def_instance_delegator) fix delegating to
diff --git a/lib/irb/ext/save-history.rb b/lib/irb/ext/save-history.rb
index d6e9be7415..ab64cf543d 100644
--- a/lib/irb/ext/save-history.rb
+++ b/lib/irb/ext/save-history.rb
@@ -27,7 +27,7 @@ module IRB
       IRB.conf[:SAVE_HISTORY]
     end
 
-    remove_method :save_history=
+    remove_method :save_history= if respond_to?(:save_history=)
     # Sets <code>IRB.conf[:SAVE_HISTORY]</code> to the given +val+ and calls
     # #init_save_history with this context.
     #
diff --git a/version.h b/version.h
index 6d12a8698d..4f3f4e3111 100644
--- a/version.h
+++ b/version.h
@@ -1,6 +1,6 @@
 #define RUBY_VERSION "2.3.0"
 #define RUBY_RELEASE_DATE "2016-04-15"
-#define RUBY_PATCHLEVEL 80
+#define RUBY_PATCHLEVEL 81
 
 #define RUBY_RELEASE_YEAR 2016
 #define RUBY_RELEASE_MONTH 4