From 36ac72f4e3e4752f85c16363d630f4cfbd682e48 Mon Sep 17 00:00:00 2001
From: David Spickett <david.spickett@linaro.org>
Date: Thu, 12 Jun 2025 12:51:11 +0000
Subject: [PATCH] [llvm][MemProf] Fix unused variable warning in release build
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g++-13 warned that:
llvm/lib/Transforms/IPO/MemProfContextDisambiguation.cpp:1645:8: warning: variable ‘PrevIterCreatedNode’ set but not used [-Wunused-but-set-variable]
 1645 |   bool PrevIterCreatedNode = false;
      |        ^~~~~~~~~~~~~~~~~~~

When asserts were not enabled.
---
 llvm/lib/Transforms/IPO/MemProfContextDisambiguation.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/Transforms/IPO/MemProfContextDisambiguation.cpp b/llvm/lib/Transforms/IPO/MemProfContextDisambiguation.cpp
index f28fe51fb6a5..10120dd0e10c 100644
--- a/llvm/lib/Transforms/IPO/MemProfContextDisambiguation.cpp
+++ b/llvm/lib/Transforms/IPO/MemProfContextDisambiguation.cpp
@@ -1642,7 +1642,7 @@ void CallsiteContextGraph<DerivedCCG, FuncTy, CallTy>::
   // this entry.
   DenseSet<uint32_t> LastNodeContextIds = LastNode->getContextIds();
 
-  bool PrevIterCreatedNode = false;
+  [[maybe_unused]] bool PrevIterCreatedNode = false;
   bool CreatedNode = false;
   for (unsigned I = 0; I < Calls.size();
        I++, PrevIterCreatedNode = CreatedNode) {