From 811bc691d2f8db219fa19f9b7b6cf9470eedb4bc Mon Sep 17 00:00:00 2001
From: Orvid King <blah38621@gmail.com>
Date: Mon, 1 Aug 2016 17:55:10 -0700
Subject: [PATCH] Fixup the WDDX fix to compile against older HHVM.

---
 hphp/runtime/ext/wddx/ext_wddx.h | 1 +
 hphp/util/either.h               | 1 +
 2 files changed, 2 insertions(+)

diff --git a/hphp/runtime/ext/wddx/ext_wddx.h b/hphp/runtime/ext/wddx/ext_wddx.h
index 43f5f73c3030a1..f225217f7d9967 100644
--- a/hphp/runtime/ext/wddx/ext_wddx.h
+++ b/hphp/runtime/ext/wddx/ext_wddx.h
@@ -20,6 +20,7 @@
 
 #include "hphp/runtime/ext/extension.h"
 #include "hphp/runtime/base/string-buffer.h"
+#include "hphp/util/either.h"
 
 namespace HPHP {
 
diff --git a/hphp/util/either.h b/hphp/util/either.h
index 2a6e344d267240..0a74ef9410d30b 100644
--- a/hphp/util/either.h
+++ b/hphp/util/either.h
@@ -169,6 +169,7 @@ struct Either {
    * Returns whether this Either contains neither left nor right.
    */
   bool isNull() const { return !(bits & ~TagBit); }
+  uintptr_t toOpaque() const { return bits; }
 
 private:
   static_assert(