[clang] [NFC][CLANG] Fix static analyzer bugs about unnecessary object copies… (PR #75082)

[via cfe-commits]

https://github.com/smanna12 created https://github.com/llvm/llvm-project/pull/75082

… with auto

>From 74442fc914b067ab2c2ea4f330da8dd196f0f7a7 Mon Sep 17 00:00:00 2001
From: "Manna, Soumi" <soumi.manna at intel.com>
Date: Mon, 11 Dec 2023 10:34:15 -0800
Subject: [PATCH] [NFC][CLANG] Fix static analyzer bugs about unnecessary
 object copies with auto

---
 clang/lib/CodeGen/BackendUtil.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
index 77455c075cab0..1d77fbe016307 100644
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -876,7 +876,7 @@ void EmitAssemblyHelper::RunOptimizationPipeline(
           << PluginFN << toString(PassPlugin.takeError());
     }
   }
-  for (auto PassCallback : CodeGenOpts.PassBuilderCallbacks)
+  for (const auto &PassCallback : CodeGenOpts.PassBuilderCallbacks)
     PassCallback(PB);
 #define HANDLE_EXTENSION(Ext)                                                  \
   get##Ext##PluginInfo().RegisterPassBuilderCallbacks(PB);