Remove custom mutex implementation

[stockfish] / src / position.cpp

diff --git a/src/position.cpp b/src/position.cpp
index db66f416559c7add343f9e035bff4b1842566868..6336a5ed193bb4c3aef1731b7c1bcfda858d3e0a 100644 (file)
--- a/src/position.cpp
+++ b/src/position.cpp
@@ -1305,8 +1305,8 @@ bool Position::pos_is_ok() const {
               continue;
 
           if (   piece_on(castlingRookSquare[cr]) != make_piece(c, ROOK)
-              || castlingRightsMask[castlingRookSquare[cr]] != (cr)
-              || (castlingRightsMask[square<KING>(c)] & (cr)) != (cr))
+              || castlingRightsMask[castlingRookSquare[cr]] != cr
+              || (castlingRightsMask[square<KING>(c)] & cr) != cr)
               assert(0 && "pos_is_ok: Castling");
       }