Fix unused variable warning introduced at revision 328910.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@328968 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Analysis/LiveVariables.cpp b/lib/Analysis/LiveVariables.cpp
index d03d2a052d2cf535a709fc3cc6edf0acf78a4760..b8ea1e960095adab49d2229ce99d3ea63613b9a5 100644 (file)
--- a/lib/Analysis/LiveVariables.cpp
+++ b/lib/Analysis/LiveVariables.cpp
@@ -383,8 +383,7 @@ void TransferFunctions::VisitDeclRefExpr(DeclRefExpr *DR) {
   bool InAssignment = LV.inAssignment[DR];
   if (const auto *BD = dyn_cast<BindingDecl>(D)) {
     if (!InAssignment)
-      val.liveBindings =
-          LV.BSetFact.add(val.liveBindings, cast<BindingDecl>(D));
+      val.liveBindings = LV.BSetFact.add(val.liveBindings, BD);
   } else if (const auto *VD = dyn_cast<VarDecl>(D)) {
     if (!InAssignment && !isAlwaysAlive(VD))
       val.liveDecls = LV.DSetFact.add(val.liveDecls, VD);