From a7b71d974b6c078983c9635f9f3f25787ade1df0 Mon Sep 17 00:00:00 2001
From: Roland Winklmeier <Roland.M.Winklmeier@gmail.com>
Date: Tue, 8 Sep 2015 11:30:06 +0000
Subject: [PATCH] Fix segfault in CSequence::operator <()

---
 src/blackmisc/sequence.h | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/blackmisc/sequence.h b/src/blackmisc/sequence.h
index 14522cd64..80e4b37ca 100644
--- a/src/blackmisc/sequence.h
+++ b/src/blackmisc/sequence.h
@@ -518,10 +518,7 @@ namespace BlackMisc
         //! Less than operator.
         friend bool operator <(const CSequence &a, const CSequence &b)
         {
-            auto mm = std::mismatch(a.begin(), a.begin() + std::max(a.size(), b.size()), b.begin());
-            if (mm.first == a.end()) { return mm.second != b.end(); }
-            if (mm.second == b.end()) { return false; }
-            return *mm.first < *mm.second;
+            return std::lexicographical_compare(a.begin(), a.end(), b.begin(), b.end());
         }
 
         //! Greater than operator.