[llvm] Convert copy to r-value reference. (PR #85606)

[Malay Sanghi via llvm-commits]

https://github.com/MalaySanghiIntel created https://github.com/llvm/llvm-project/pull/85606

That seems to be the intention based on calling code.

>From 748dcd48e666db495f8e5fca2f91544e8c45fb5b Mon Sep 17 00:00:00 2001
From: Malay Sanghi <malay.sanghi at intel.com>
Date: Mon, 18 Mar 2024 00:02:10 -0700
Subject: [PATCH] Convert copy to r-value reference

That seems to be the intention based on calling code.
---
 llvm/include/llvm/CodeGen/MachinePassManager.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/include/llvm/CodeGen/MachinePassManager.h b/llvm/include/llvm/CodeGen/MachinePassManager.h
index b1166e3a3fd529..3faffe5c4cab29 100644
--- a/llvm/include/llvm/CodeGen/MachinePassManager.h
+++ b/llvm/include/llvm/CodeGen/MachinePassManager.h
@@ -56,7 +56,7 @@ struct MachinePassConcept
 };
 
 template <typename PassT> struct MachinePassModel : MachinePassConcept {
-  explicit MachinePassModel(PassT Pass) : Pass(std::move(Pass)) {}
+  explicit MachinePassModel(PassT &&Pass) : Pass(std::move(Pass)) {}
   // We have to explicitly define all the special member functions because MSVC
   // refuses to generate them.
   MachinePassModel(const MachinePassModel &Arg) : Pass(Arg.Pass) {}