From 42a7adf171b44f32a155cd80fe8c22a2a41eb11b Mon Sep 17 00:00:00 2001
From: Yaron Keren <yaron.keren@gmail.com>
Date: Sat, 28 Feb 2015 13:11:24 +0000
Subject: Silence variable set but not used warning, NFC.

llvm-svn: 230848
---
 llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'llvm/lib/Transforms')

diff --git a/llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp b/llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp
index 4e165e24f49..15f09a5fe4a 100644
--- a/llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp
+++ b/llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp
@@ -737,9 +737,10 @@ static Value *findBasePointer(Value *I, DefiningValueMapTy &cache,
   // have reached conflict state.  The current version seems too conservative.
 
   bool progress = true;
-  size_t oldSize = 0;
   while (progress) {
-    oldSize = states.size();
+#ifndef NDEBUG
+    size_t oldSize = states.size();
+#endif
     progress = false;
     // We're only changing keys in this loop, thus safe to keep iterators
     for (auto Pair : states) {
-- 
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