From 466e16e0e8523909f9968c5823691b1d4a3d8175 Mon Sep 17 00:00:00 2001
From: Cory Fields <cory-nospam-@coryfields.com>
Date: Fri, 15 Jun 2018 13:38:54 -0400
Subject: cleanup: avoid hidden copies in range-for loops

---
 src/rpc/blockchain.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/rpc')

diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
index 68279d7ffd..d9d803ac7d 100644
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -853,7 +853,7 @@ static void ApplyStats(CCoinsStats &stats, CHashWriter& ss, const uint256& hash,
     ss << hash;
     ss << VARINT(outputs.begin()->second.nHeight * 2 + outputs.begin()->second.fCoinBase ? 1u : 0u);
     stats.nTransactions++;
-    for (const auto output : outputs) {
+    for (const auto& output : outputs) {
         ss << VARINT(output.first + 1);
         ss << output.second.out.scriptPubKey;
         ss << VARINT(output.second.out.nValue, VarIntMode::NONNEGATIVE_SIGNED);
-- 
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