Fix warning when assertions disabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52590 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Utils/DemoteRegToStack.cpp b/lib/Transforms/Utils/DemoteRegToStack.cpp
index c123c03..b8dd754 100644
--- a/lib/Transforms/Utils/DemoteRegToStack.cpp
+++ b/lib/Transforms/Utils/DemoteRegToStack.cpp
@@ -127,7 +127,7 @@
   for (unsigned i = 0, e = P->getNumIncomingValues(); i < e; ++i) {
     if (InvokeInst *II = dyn_cast<InvokeInst>(P->getIncomingValue(i))) {
       assert(II->getParent() != P->getIncomingBlock(i) && 
-             "Invoke edge not supported yet");
+             "Invoke edge not supported yet"); II=II;
     }
     new StoreInst(P->getIncomingValue(i), Slot, 
                   P->getIncomingBlock(i)->getTerminator());