[clang] Fix Twine usage (PR #90728)

[via cfe-commits]

https://github.com/MagentaTreehouse created https://github.com/llvm/llvm-project/pull/90728

Construct `Twine`s before concatenation.

>From ad0384030a78be7d91851c565db41af1b161378f Mon Sep 17 00:00:00 2001
From: Mingyi Chen <cmingyi01 at gmail.com>
Date: Wed, 1 May 2024 08:10:27 -0400
Subject: [PATCH] Fix Twine usage

---
 clang/lib/Driver/ToolChains/HIPUtility.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/clang/lib/Driver/ToolChains/HIPUtility.cpp b/clang/lib/Driver/ToolChains/HIPUtility.cpp
index 08c647dfcb6f72..e696d43bb3211b 100644
--- a/clang/lib/Driver/ToolChains/HIPUtility.cpp
+++ b/clang/lib/Driver/ToolChains/HIPUtility.cpp
@@ -106,9 +106,8 @@ class HIPUndefinedFatBinSymbols {
         std::string ID = IA->getId().str();
         if (!ID.empty()) {
           ID = llvm::utohexstr(llvm::MD5Hash(ID), /*LowerCase=*/true);
-          FatBinSymbols.insert(Twine(FatBinPrefix + "_" + ID).str());
-          GPUBinHandleSymbols.insert(
-              Twine(GPUBinHandlePrefix + "_" + ID).str());
+          FatBinSymbols.insert((Twine(FatBinPrefix) + '_' + ID).str());
+          GPUBinHandleSymbols.insert((Twine(GPUBinHandlePrefix) + '_' + ID).str());
           continue;
         }
         if (IA->getInputArg().getNumValues() == 0)