From baa65ad10878385dc47caebdb6c482f1dea71b98 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 17 May 2013 08:35:26 +0000
Subject: gc.c: rb_gc_guarded_ptr

* gc.c (rb_gc_guarded_ptr): unoptimize on other compilers than gcc and
  msvc.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40795 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 gc.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'gc.c')

diff --git a/gc.c b/gc.c
index 85a18db703..e4b675e082 100644
--- a/gc.c
+++ b/gc.c
@@ -67,6 +67,14 @@
 #define rb_setjmp(env) RUBY_SETJMP(env)
 #define rb_jmp_buf rb_jmpbuf_t
 
+#if defined(HAVE_RB_GC_GUARDED_PTR) && HAVE_RB_GC_GUARDED_PTR
+volatile VALUE *
+rb_gc_guarded_ptr(volatile VALUE *ptr)
+{
+    return ptr;
+}
+#endif
+
 #ifndef GC_MALLOC_LIMIT
 #define GC_MALLOC_LIMIT 8000000
 #endif
-- 
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