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[stockfish] / src / tt.cpp

diff --git a/src/tt.cpp b/src/tt.cpp
index 63c3e995ab30b22f33191faf22a881350fe19cf9..20ac1608e2fee1eb0e1338c3dbbe940275cc9f36 100644 (file)
--- a/src/tt.cpp
+++ b/src/tt.cpp
@@ -24,6 +24,7 @@
 
 #include <cassert>
 #include <cstring>
+#include <iostream>
 
 #include "tt.h"
 
@@ -54,18 +55,18 @@ void TranspositionTable::set_size(size_t mbSize) {
 
   size_t newSize = 1024;
 
-  // Transposition table consists of clusters and
-  // each cluster consists of ClusterSize number of TTEntries.
-  // Each non-empty entry contains information of exactly one position.
-  // newSize is the number of clusters we are going to allocate.
-  while ((2 * newSize) * sizeof(TTCluster) <= (mbSize << 20))
+  // Transposition table consists of clusters and each cluster consists
+  // of ClusterSize number of TTEntries. Each non-empty entry contains
+  // information of exactly one position and newSize is the number of
+  // clusters we are going to allocate.
+  while (2ULL * newSize * sizeof(TTCluster) <= (mbSize << 20))
       newSize *= 2;
 
   if (newSize != size)
   {
       size = newSize;
       delete [] entries;
-      entries = new TTCluster[size];
+      entries = new (std::nothrow) TTCluster[size];
       if (!entries)
       {
           std::cerr << "Failed to allocate " << mbSize