From 010752631bb67412c37b9e4a7821068fcdba4833 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 22 Feb 2016 07:15:57 +0000
Subject: [PATCH] vm_core.h: CoreDataFromValue

* vm_core.h (CoreDataFromValue): split as an expression from
  GetCoreDataFromValue, which can be a statement only.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53888 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 vm_core.h | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/vm_core.h b/vm_core.h
index 7b5adbcbd3..38de35636f 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -250,12 +250,11 @@ struct rb_call_cache {
 };
 
 #if 1
-#define GetCoreDataFromValue(obj, type, ptr) do { \
-    (ptr) = (type*)DATA_PTR(obj); \
-} while (0)
+#define CoreDataFromValue(obj, type) (type*)DATA_PTR(obj)
 #else
-#define GetCoreDataFromValue(obj, type, ptr) Data_Get_Struct((obj), type, (ptr))
+#define CoreDataFromValue(obj, type) (type*)rb_data_object_get(obj)
 #endif
+#define GetCoreDataFromValue(obj, type, ptr) ((ptr) = CoreDataFromValue((obj), type))
 
 typedef struct rb_iseq_location_struct {
     VALUE path;