Part of fixing official-stockfish#5503 (Cleaner)

bench: 934447

Author: mstembera

src/tt.cpp

@@ -238,7 +238,9 @@ std::tuple<bool, TTData, TTWriter> TranspositionTable::probe(const Key key) cons
             > tte[i].depth8 - tte[i].relative_age(generation8) * 2)
             replace = &tte[i];
 
-    return {false, TTData(), TTWriter(replace)};
+    return {false,
+            TTData{Move::none(), VALUE_NONE, VALUE_NONE, DEPTH_ENTRY_OFFSET, BOUND_NONE, false},
+            TTWriter(replace)};
 }
 
 

src/tt.h

@@ -46,11 +46,11 @@ struct Cluster;
 
 // A copy of the data already in the entry (possibly collided). `probe` may be racy, resulting in inconsistent data.
 struct TTData {
-    Move  move  = Move::none();
-    Value value = VALUE_NONE, eval = VALUE_NONE;
-    Depth depth = DEPTH_ENTRY_OFFSET;
-    Bound bound = BOUND_NONE;
-    bool  is_pv = false;
+    Move  move;
+    Value value, eval;
+    Depth depth;
+    Bound bound;
+    bool  is_pv;
 };