From 8620bb9534342176ac739e2a587e4cecf437310c Mon Sep 17 00:00:00 2001
From: Vitaly Buka <vitalybuka@google.com>
Date: Mon, 16 Mar 2020 22:51:48 -0700
Subject: [PATCH] [lld] Fix "loop variable creates a copy" warning

---
 lld/COFF/Writer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lld/COFF/Writer.cpp b/lld/COFF/Writer.cpp
index bb583757cb61..7e7aaafe18ed 100644
--- a/lld/COFF/Writer.cpp
+++ b/lld/COFF/Writer.cpp
@@ -102,7 +102,7 @@ public:
   void writeTo(uint8_t *b) const override {
     auto *d = reinterpret_cast<debug_directory *>(b);
 
-    for (const std::pair<COFF::DebugType, Chunk *> record : records) {
+    for (const std::pair<COFF::DebugType, Chunk *>& record : records) {
       Chunk *c = record.second;
       OutputSection *os = c->getOutputSection();
       uint64_t offs = os->getFileOff() + (c->getRVA() - os->getRVA());