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-rw-r--r--src/interfaces/chain.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/interfaces/chain.cpp b/src/interfaces/chain.cpp
index c8311b2986..0e7641ae32 100644
--- a/src/interfaces/chain.cpp
+++ b/src/interfaces/chain.cpp
@@ -275,6 +275,8 @@ public:
const CBlockIndex* block1 = LookupBlockIndex(block_hash1);
const CBlockIndex* block2 = LookupBlockIndex(block_hash2);
const CBlockIndex* ancestor = block1 && block2 ? LastCommonAncestor(block1, block2) : nullptr;
+ // Using & instead of && below to avoid short circuiting and leaving
+ // output uninitialized.
return FillBlock(ancestor, ancestor_out, lock) & FillBlock(block1, block1_out, lock) & FillBlock(block2, block2_out, lock);
}
void findCoins(std::map<COutPoint, Coin>& coins) override { return FindCoins(m_node, coins); }