From 9e75488ac81f2e2f39336f34bd9c5360fdbdddb7 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 28 Oct 2016 06:58:19 +0000
Subject: internal.h: RB_OBJ_BUILTIN_TYPE

* internal.h (RB_OBJ_BUILTIN_TYPE): special-const safe
  BUILTIN_TYPE.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56510 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 internal.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'internal.h')

diff --git a/internal.h b/internal.h
index 116654ef91..c7e80aa978 100644
--- a/internal.h
+++ b/internal.h
@@ -1682,6 +1682,24 @@ do { \
     } \
 } while (0)
 
+#define RB_OBJ_BUILTIN_TYPE(obj) rb_obj_builtin_type(obj)
+#define OBJ_BUILTIN_TYPE(obj) RB_OBJ_BUILTIN_TYPE(obj)
+#ifdef __GNUC__
+#define rb_obj_builtin_type(obj) \
+__extension__({ \
+    VALUE arg_obj = (obj); \
+    RB_SPECIAL_CONST_P(arg_obj) ? -1 : \
+	RB_BUILTIN_TYPE(arg_obj); \
+    })
+#else
+static inline int
+rb_obj_builtin_type(VALUE obj)
+{
+    return RB_SPECIAL_CONST_P(obj) ? -1 :
+	RB_BUILTIN_TYPE(obj);
+}
+#endif
+
 #if defined(__cplusplus)
 #if 0
 { /* satisfy cc-mode */
-- 
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