Test case to reproduce issue #7641.

Author: daveoxley

test/stream/stream.pb.go

@@ -0,0 +1,32 @@
+// Copyright 2017 gRPC authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+option go_package = "google.golang.org/grpc/test/stream";
+
+package test.stream;
+
+import "google/protobuf/timestamp.proto";
+
+message BufferRequest {}
+
+message Buffer {
+  optional google.protobuf.Timestamp date = 1;
+  string value = 2;
+}
+
+service StreamTest {
+  rpc StreamBuffer(BufferRequest) returns (stream Buffer) {}
+}