Replace clear_bit() with xor_bit()

[stockfish] / src / move.cpp

diff --git a/src/move.cpp b/src/move.cpp
index e52a8e59e688853fad3557314e5850da63b62d71..4b1285e4df795c66971f30e40e17b93ddd3e0612 100644 (file)
--- a/src/move.cpp
+++ b/src/move.cpp
@@ -98,7 +98,7 @@ const string move_to_san(Position& pos, Move m) {
           // Disambiguation if we have more then one piece with destination 'to'
           // note that for pawns is not needed because starting file is explicit.
           attackers = pos.attackers_to(to) & pos.pieces(pt, pos.side_to_move());
-          clear_bit(&attackers, from);
+          xor_bit(&attackers, from);
           ambiguousMove = ambiguousFile = ambiguousRank = false;
 
           while (attackers)