From ea67724ff583fe088fa6880b652734c48ae67f16 Mon Sep 17 00:00:00 2001
From: Maxime Coste <frrrwww@gmail.com>
Date: Wed, 15 Apr 2015 11:43:39 +0100
Subject: [PATCH] Optional: put the bool m_valid after the content to improve
 packing

---
 src/optional.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/optional.hh b/src/optional.hh
index a72e1555..57147b43 100644
--- a/src/optional.hh
+++ b/src/optional.hh
@@ -78,8 +78,8 @@ public:
 private:
     void destruct_ifn() { if (m_valid) m_value.~T(); }
 
-    bool m_valid;
     union { T m_value; };
+    bool m_valid;
 };
 
 }