From 12c2e07a3de52d139baf206b215ead95861c7da8 Mon Sep 17 00:00:00 2001
From: tarui <tarui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 24 Jun 2010 16:11:05 +0000
Subject: 	* include/ruby/ruby.h (static inline rb_gc_guarded_ptr):
 prevent 	  RB_GC_GUARD_PTR being removed by optimization.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28423 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 include/ruby/ruby.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'include/ruby')

diff --git a/include/ruby/ruby.h b/include/ruby/ruby.h
index 37c3e47e40..d4ffe10d8c 100644
--- a/include/ruby/ruby.h
+++ b/include/ruby/ruby.h
@@ -420,7 +420,13 @@ static inline int rb_type(VALUE obj);
 #define RB_GC_GUARD_PTR(ptr) \
     __extension__ ({volatile VALUE *rb_gc_guarded_ptr = (ptr); rb_gc_guarded_ptr;})
 #else
+#ifdef _MSC_VER
+#pragma optimize("", off)
+#endif
 static inline volatile VALUE *rb_gc_guarded_ptr(volatile VALUE *ptr) {return ptr;}
+#ifdef _MSC_VER
+#pragma optimize("", on)
+#endif
 #define RB_GC_GUARD_PTR(ptr) rb_gc_guarded_ptr(ptr)
 #endif
 #define RB_GC_GUARD(v) (*RB_GC_GUARD_PTR(&(v)))
-- 
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