From 5a23a520fc64b8da25d0027f08c051b0ad49b459 Mon Sep 17 00:00:00 2001
From: Justin Bogner <mail@justinbogner.com>
Date: Wed, 10 Sep 2025 16:53:09 -0700
Subject: [PATCH] Fix a `-Wunused-variable` warning on windows

The `UID` variable is only being used inside the `#ifndef _WIN32` block - move
the definition into the block as well.
---
 llvm/unittests/Support/VirtualOutputBackendsTest.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/unittests/Support/VirtualOutputBackendsTest.cpp b/llvm/unittests/Support/VirtualOutputBackendsTest.cpp
index 3aee880a377df..03a4a9c3c7c32 100644
--- a/llvm/unittests/Support/VirtualOutputBackendsTest.cpp
+++ b/llvm/unittests/Support/VirtualOutputBackendsTest.cpp
@@ -559,9 +559,9 @@ Error OnDiskOutputBackendProvider::checkKept(StringRef FilePath,
   if (Error E = lookupFileInfo(FilePath, Info))
     return E;
 
+#ifndef _WIN32
   sys::fs::UniqueID UID =
       shouldUseTemporaries(*Info) ? *Info->TempUID : *Info->UID;
-#ifndef _WIN32
   if (!Info->F->hasUniqueID(UID))
     return createStringError(inconvertibleErrorCode(),
                              "File not created by keep or changed UID");