From 8d5807cefca4f4f26ba3f12d698e91f18d4a90d0 Mon Sep 17 00:00:00 2001
From: Sree Kuchibhotla <sreek@google.com>
Date: Wed, 26 Oct 2016 12:55:28 -0700
Subject: [PATCH] Initialize wakeup_fd to keep GCC (with optimization level
 -O3) happy.

GCC with optimization level -O3 complains about potential uninitialized
values
---
 src/core/lib/iomgr/wakeup_fd_pipe.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/core/lib/iomgr/wakeup_fd_pipe.c b/src/core/lib/iomgr/wakeup_fd_pipe.c
index 183f0eb9304..e186d636837 100644
--- a/src/core/lib/iomgr/wakeup_fd_pipe.c
+++ b/src/core/lib/iomgr/wakeup_fd_pipe.c
@@ -95,6 +95,8 @@ static void pipe_destroy(grpc_wakeup_fd* fd_info) {
 
 static int pipe_check_availability(void) {
   grpc_wakeup_fd fd;
+  fd.read_fd = fd.write_fd = -1;
+
   if (pipe_init(&fd) == GRPC_ERROR_NONE) {
     pipe_destroy(&fd);
     return 1;