From 8ad71433279fe8caa1e06038674c0559edfa1468 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 8 Jan 2013 17:13:26 +0000
Subject: [PATCH] ruby.h: align

* include/ruby/ruby.h (RBasic): to be aligned on a VALUE size
  boundary.  [Bug #7647]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38741 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog           | 5 +++++
 include/ruby/ruby.h | 6 +++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 1f726bd624..15be43cc31 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Jan  9 02:13:22 2013  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* include/ruby/ruby.h (RBasic): to be aligned on a VALUE size
+	  boundary.  [Bug #7647]
+
 Tue Jan  8 14:41:41 2013  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* vm_core.h (rb_iseq_t): move flip_cnt from struct iseq_compile_data,
diff --git a/include/ruby/ruby.h b/include/ruby/ruby.h
index d80eaed681..6debe428af 100644
--- a/include/ruby/ruby.h
+++ b/include/ruby/ruby.h
@@ -699,7 +699,11 @@ VALUE rb_newobj_of(VALUE, VALUE);
 struct RBasic {
     VALUE flags;
     VALUE klass;
-};
+}
+#ifdef __GNUC__
+    __attribute__((aligned(sizeof(VALUE))))
+#endif
+;
 
 #define ROBJECT_EMBED_LEN_MAX 3
 struct RObject {