From e63221e77dc007d257e39e5a613fbfad9fc45dca Mon Sep 17 00:00:00 2001
From: Jan Travnicek <Jan.Travnicek@fit.cvut.cz>
Date: Wed, 13 Dec 2017 11:47:59 +0100
Subject: [PATCH] fix some undefined behaviour errors 2

---
 alib2std/src/extensions/vector.hpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/alib2std/src/extensions/vector.hpp b/alib2std/src/extensions/vector.hpp
index 04ea3364be..4758ca9b96 100644
--- a/alib2std/src/extensions/vector.hpp
+++ b/alib2std/src/extensions/vector.hpp
@@ -134,8 +134,10 @@ ext::vector < bool, Ts ... > & operator ^= ( ext::vector < bool, Ts ... > & A, c
 	while ( itB < B.end ( ) ) // A is longer or of the same size as B
 		* ( itA._M_p ++ ) ^= * ( itB._M_p ++ ); // word-at-a-time bitwise operation
 
-	while ( itA < A.end ( ) ) // The rest of A above the size of B shall be flipped
-		* ( itA._M_p ++ ) = ~ * ( itA._M_p );
+	while ( itA < A.end ( ) ) { // The rest of A above the size of B shall be flipped
+		* ( itA._M_p ) = ~ * ( itA._M_p );
+		itA._M_p ++;
+	}
 
 	return A;
 }
-- 
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