[llvm] [test][CAS] Fix unused variable warning in unittest (PR #159594)

[Steven Wu via llvm-commits]

https://github.com/cachemeifyoucan created https://github.com/llvm/llvm-project/pull/159594

Fix unused variable warning blocking AIX bot.


>From 3c37e6cb8929c599c9af097757a4b093124893a6 Mon Sep 17 00:00:00 2001
From: Steven Wu <stevenwu at apple.com>
Date: Thu, 18 Sep 2025 08:24:40 -0700
Subject: [PATCH] =?UTF-8?q?[=F0=9D=98=80=F0=9D=97=BD=F0=9D=97=BF]=20initia?=
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Created using spr 1.3.6
---
 llvm/unittests/CAS/ProgramTest.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/llvm/unittests/CAS/ProgramTest.cpp b/llvm/unittests/CAS/ProgramTest.cpp
index 3ba5f697eeed5..f5559beacb81c 100644
--- a/llvm/unittests/CAS/ProgramTest.cpp
+++ b/llvm/unittests/CAS/ProgramTest.cpp
@@ -26,6 +26,8 @@ extern char **environ;
 using namespace llvm;
 using namespace llvm::cas;
 
+#if LLVM_ENABLE_ONDISK_CAS
+
 extern const char *TestMainArgv0;
 static char ProgramID = 0;
 
@@ -81,8 +83,6 @@ class CASProgramTest : public testing::Test {
   ArrayRef<StringRef> getEnviron() const { return EnvTable; }
 };
 
-#if LLVM_ENABLE_ONDISK_CAS
-
 static Error emptyConstructor(MappedFileRegionArena &) {
   return Error::success();
 }