diff --git a/clang/lib/AST/ExprConstant.cpp b/clang/lib/AST/ExprConstant.cpp
index 7b9380de6834d..cab17ecdc7b29 100644
--- a/clang/lib/AST/ExprConstant.cpp
+++ b/clang/lib/AST/ExprConstant.cpp
@@ -12179,8 +12179,8 @@ static bool evalShiftWithCount(
   assert(Call->getNumArgs() == 2);
 
   QualType SourceTy = Call->getArg(0)->getType();
-  QualType CountTy = Call->getArg(1)->getType();
-  assert(SourceTy->isVectorType() && CountTy->isVectorType());
+  assert(SourceTy->isVectorType() &&
+         Call->getArg(1)->getType()->isVectorType());
 
   QualType DestEltTy = SourceTy->castAs<VectorType>()->getElementType();
   unsigned DestEltWidth = Source.getVectorElt(0).getInt().getBitWidth();