From bc4dc43135cce2d61903299c966cd0e999624887 Mon Sep 17 00:00:00 2001
From: Philippe Canal <pcanal@fnal.gov>
Date: Wed, 10 Feb 2021 16:30:02 -0600
Subject: [PATCH] TTreeCloner: do not clone empty basket
---
tree/tree/src/TTreeCloner.cxx | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tree/tree/src/TTreeCloner.cxx b/tree/tree/src/TTreeCloner.cxx
index 60f6ec7259e..34f0662081d 100644
--- a/tree/tree/src/TTreeCloner.cxx
+++ b/tree/tree/src/TTreeCloner.cxx
@@ -521,7 +521,7 @@ void TTreeCloner::CopyMemoryBaskets()
TBranch *to = (TBranch*)fToBranches.UncheckedAt( i );
basket = (!from->GetListOfBaskets()->IsEmpty()) ? from->GetBasket(from->GetWriteBasket()) : 0;
- if (basket) {
+ if (basket && basket->GetNevBuf()) {
basket = (TBasket*)basket->Clone();
basket->SetBranch(to);
to->AddBasket(*basket, kFALSE, fToStartEntries+from->GetBasketEntry()[from->GetWriteBasket()]);
--
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