Only use MADV_RANDOM if defined

[stockfish] / src / search.cpp

diff --git a/src/search.cpp b/src/search.cpp
index c15cd7537e6a8589160842f596a735b1f377317a..b79fa6beaf894a5c9b15c7ced60ed14492aeabc4 100644 (file)
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1160,7 +1160,6 @@ moves_loop: // When in check, search starts from here
       // re-searched at full depth.
       if (    depth >= 3
           &&  moveCount > 1 + 2 * rootNode + 2 * (PvNode && abs(bestValue) < 2)
-          && (!rootNode || thisThread->best_move_count(move) == 0)
           && (  !captureOrPromotion
               || moveCountPruning
               || ss->staticEval + PieceValue[EG][pos.captured_piece()] <= alpha