diff --git a/lib/Transforms/Scalar/LoopIdiomRecognize.cpp b/lib/Transforms/Scalar/LoopIdiomRecognize.cpp
index 476cb284bae..7565b705820 100644
--- a/lib/Transforms/Scalar/LoopIdiomRecognize.cpp
+++ b/lib/Transforms/Scalar/LoopIdiomRecognize.cpp
@@ -254,6 +254,7 @@ processLoopStoreOfSplatValue(StoreInst *SI, unsigned StoreSize,
   
   DEBUG(dbgs() << "  Formed memset: " << *NewCall << "\n"
                << "    from store to: " << *Ev << " at: " << *SI << "\n");
+  (void)NewCall;
   
   // Okay, the memset has been formed.  Zap the original store and anything that
   // feeds into it.