From fd7b490fc3dc33c22b7c173617363953fc8453c8 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 15 Jan 2016 13:15:39 +0000
Subject: disable unaligned word access

* include/ruby/defines.h, st.c: disable unaligned word access with
  gcc 6 or later.  [Bug #11831]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53546 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 include/ruby/defines.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'include/ruby/defines.h')

diff --git a/include/ruby/defines.h b/include/ruby/defines.h
index b4d75294d4..3235b8b875 100644
--- a/include/ruby/defines.h
+++ b/include/ruby/defines.h
@@ -260,6 +260,10 @@ void rb_ia64_flushrs(void);
     RUBY_ALIAS_FUNCTION_TYPE(VALUE, prot, name, args)
 #endif
 
+#if !defined(UNALIGNED_WORD_ACCESS) && defined(__GNUC__) && __GNUC__ >= 6
+# define UNALIGNED_WORD_ACCESS 0
+#endif
+
 #ifndef UNALIGNED_WORD_ACCESS
 # if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
      defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || \
-- 
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