Avoid build warnings.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77271 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Utils/LowerSwitch.cpp b/lib/Transforms/Utils/LowerSwitch.cpp
index 89adb98..17e40e1 100644
--- a/lib/Transforms/Utils/LowerSwitch.cpp
+++ b/lib/Transforms/Utils/LowerSwitch.cpp
@@ -309,6 +309,7 @@
   DEBUG(errs() << "Clusterify finished. Total clusters: " << Cases.size()
                << ". Total compares: " << numCmps << "\n");
   DEBUG(errs() << "Cases: " << Cases << "\n");
+  (void)numCmps;
   
   BasicBlock* SwitchBlock = switchConvert(Cases.begin(), Cases.end(), Val,
                                           OrigBlock, NewDefault);