Patch-Source: https://github.com/grpc/grpc/pull/28196
--
From 3991a4c0bcf57e5058a93c4c8255cc80cd0482ca Mon Sep 17 00:00:00 2001
From: Runming Wu <runmingwu@gmail.com>
Date: Tue, 23 Nov 2021 12:10:43 -0800
Subject: [PATCH] Fix compiler error for certain gcc version.

---
 src/core/ext/xds/xds_api.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/core/ext/xds/xds_api.h b/src/core/ext/xds/xds_api.h
index 643febdf2203..f25a21f8f831 100644
--- a/src/core/ext/xds/xds_api.h
+++ b/src/core/ext/xds/xds_api.h
@@ -55,6 +55,7 @@ class XdsApi {
   static const char* kEdsTypeUrl;
 
   struct Duration {
+    Duration() {}
     int64_t seconds = 0;
     int32_t nanos = 0;
     bool operator==(const Duration& other) const {