// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// This file exercises a deadlock in registation of legacy extensions:
// https://github.com/golang/protobuf/issues/1052
//
// The corresponding .pb.go file was generated with protoc 3.11.3 and
// protoc-gen-go 1.3.3.

syntax = "proto2";

package goproto.proto.legacy;

import "google/protobuf/descriptor.proto";

option go_package = "google.golang.org/protobuf/internal/testprotos/legacy/bug1052";

enum Enum {
  ZERO = 0;
}

extend google.protobuf.MethodOptions {
  optional Enum extension_enum = 5000;
}