Index: clang/lib/Sema/SemaExpr.cpp
===================================================================
--- clang/lib/Sema/SemaExpr.cpp
+++ clang/lib/Sema/SemaExpr.cpp
@@ -11111,8 +11111,8 @@
   QualType LHSType = LHS.get()->getType().getUnqualifiedType();
   QualType RHSType = RHS.get()->getType().getUnqualifiedType();
 
-  const BuiltinType *LHSBuiltinTy = LHSType->getAs<BuiltinType>();
-  const BuiltinType *RHSBuiltinTy = RHSType->getAs<BuiltinType>();
+  const BuiltinType *LHSBuiltinTy = LHSType->castAs<BuiltinType>();
+  const BuiltinType *RHSBuiltinTy = RHSType->castAs<BuiltinType>();
 
   unsigned DiagID = diag::err_typecheck_invalid_operands;
   if ((OperationKind == ACK_Arithmetic) &&