Replace clear_bit() with xor_bit()

[stockfish] / src / evaluate.cpp

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index ad37455ffdcd416a7e3855e3460cfe9024f1c49a..4419a64bedab3e6f586fc6386e1e373e01b2cd33 100644 (file)
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -944,7 +944,7 @@ namespace {
         // Check if (without even considering any obstacles) we're too far away or doubled
         if (   pliesToQueen[winnerSide] + 3 <= pliesToGo
             || (squares_in_front_of(loserSide, s) & pos.pieces(PAWN, loserSide)))
-            clear_bit(&candidates, s);
+            xor_bit(&candidates, s);
     }
 
     // If any candidate is already a passed pawn it _may_ promote in time. We give up.