From e8a61d63b5a6db0f81b688481a9485d412e5a41e Mon Sep 17 00:00:00 2001
From: yang-g <yangg@google.com>
Date: Wed, 2 Aug 2017 09:31:24 -0700
Subject: [PATCH] Add a default delete override for the interface

---
 include/grpc++/impl/codegen/async_unary_call.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/grpc++/impl/codegen/async_unary_call.h b/include/grpc++/impl/codegen/async_unary_call.h
index 41b3ae3f284..6da64f0da1e 100644
--- a/include/grpc++/impl/codegen/async_unary_call.h
+++ b/include/grpc++/impl/codegen/async_unary_call.h
@@ -307,6 +307,11 @@ class default_delete<grpc::ClientAsyncResponseReader<R>> {
  public:
   void operator()(void* p) {}
 };
+template <class R>
+class default_delete<grpc::ClientAsyncResponseReaderInterface<R>> {
+ public:
+  void operator()(void* p) {}
+};
 }
 
 #endif  // GRPCXX_IMPL_CODEGEN_ASYNC_UNARY_CALL_H