From ee5c600e29ae8fc587760e14003fb15408fd64a7 Mon Sep 17 00:00:00 2001
From: Vinnie Falco <vinnie.falco@gmail.com>
Date: Tue, 17 Sep 2013 17:32:04 -0700
Subject: [PATCH] Fix undefined behavior in UnsignedIntegerCalc (again)

---
 src/beast/modules/beast_crypto/math/UnsignedIntegerCalc.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/beast/modules/beast_crypto/math/UnsignedIntegerCalc.h b/src/beast/modules/beast_crypto/math/UnsignedIntegerCalc.h
index e714c0895..5bb7f0f4f 100644
--- a/src/beast/modules/beast_crypto/math/UnsignedIntegerCalc.h
+++ b/src/beast/modules/beast_crypto/math/UnsignedIntegerCalc.h
@@ -115,8 +115,10 @@ public:
             while (lo < hi)
             {
                 std::swap (*lo, *hi);
-                *lo++ = fromNetworkByteOrder <UInt> (*lo);
-                *hi-- = fromNetworkByteOrder <UInt> (*hi);
+                *lo = fromNetworkByteOrder <UInt> (*lo);
+                ++lo;
+                *hi = fromNetworkByteOrder <UInt> (*hi);
+                ++hi;
             }
             if (lo == hi)
                 *lo = fromNetworkByteOrder <UInt> (*lo);