diff --git a/clang/lib/CodeGen/CGExprConstant.cpp b/clang/lib/CodeGen/CGExprConstant.cpp
index f657309..106170f 100644
--- a/clang/lib/CodeGen/CGExprConstant.cpp
+++ b/clang/lib/CodeGen/CGExprConstant.cpp
@@ -1617,9 +1617,9 @@
 }
 
 llvm::Constant *CodeGenModule::EmitNullConstant(QualType T) {
-  if (auto PT = T->getAs<PointerType>())
-    return getNullPointer(cast<llvm::PointerType>(getTypes().ConvertTypeForMem(T)),
-                      T);
+  if (T->getAs<PointerType>())
+    return getNullPointer(
+        cast<llvm::PointerType>(getTypes().ConvertTypeForMem(T)), T);
 
   if (getTypes().isZeroInitializable(T))
     return llvm::Constant::getNullValue(getTypes().ConvertTypeForMem(T));