From 9e65a8876290bdd782e197fe8b98c35530c90427 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Przemys=C5=82aw=20Sobala?= <przemyslaw.sobala@grupawp.pl>
Date: Mon, 15 Jul 2019 16:11:35 +0200
Subject: [PATCH] Fixed "implicitly-declared operator=" error from gcc 9

---
 include/grpcpp/impl/codegen/call_op_set.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/grpcpp/impl/codegen/call_op_set.h b/include/grpcpp/impl/codegen/call_op_set.h
index 84d1407cbe2..814cf29f913 100644
--- a/include/grpcpp/impl/codegen/call_op_set.h
+++ b/include/grpcpp/impl/codegen/call_op_set.h
@@ -88,6 +88,9 @@ class WriteOptions {
   WriteOptions(const WriteOptions& other)
       : flags_(other.flags_), last_message_(other.last_message_) {}
 
+  /// Default assignment operator
+  WriteOptions& operator=(const WriteOptions& other) = default;
+
   /// Clear all flags.
   inline void Clear() { flags_ = 0; }