From ab9d506be36eb48f60d982ecbf8636f4b43a3399 Mon Sep 17 00:00:00 2001
From: Alexey Lapshin <a.v.lapshin@mail.ru>
Date: Thu, 19 Aug 2021 14:19:07 +0300
Subject: [PATCH] [DWARF][Verifier][NFC] Use reference to
 DWARFAddressRangesVector to avoid copying.

Avoid copying while access to RangesOrError.get().
---
 llvm/lib/DebugInfo/DWARF/DWARFVerifier.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/DebugInfo/DWARF/DWARFVerifier.cpp b/llvm/lib/DebugInfo/DWARF/DWARFVerifier.cpp
index c6e414a8eefe..bbf5e697a77c 100644
--- a/llvm/lib/DebugInfo/DWARF/DWARFVerifier.cpp
+++ b/llvm/lib/DebugInfo/DWARF/DWARFVerifier.cpp
@@ -401,7 +401,7 @@ unsigned DWARFVerifier::verifyDieRanges(const DWARFDie &Die,
     return NumErrors;
   }
 
-  DWARFAddressRangesVector Ranges = RangesOrError.get();
+  const DWARFAddressRangesVector &Ranges = RangesOrError.get();
   // Build RI for this DIE and check that ranges within this DIE do not
   // overlap.
   DieRangeInfo RI(Die);