From 7d1ec7b07ee1494659ecdc519c18e8c53cabe189 Mon Sep 17 00:00:00 2001
From: Julian Lettner <jlettner@apple.com>
Date: Fri, 5 Apr 2019 02:05:57 +0000
Subject: [PATCH] [TSan][libdispatch] Make test work on Linux, pt. 2

llvm-svn: 357741
---
 compiler-rt/test/tsan/libdispatch/dispatch_once_deadlock.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/compiler-rt/test/tsan/libdispatch/dispatch_once_deadlock.c b/compiler-rt/test/tsan/libdispatch/dispatch_once_deadlock.c
index 1e9e7d139f4c..8379f81a9101 100644
--- a/compiler-rt/test/tsan/libdispatch/dispatch_once_deadlock.c
+++ b/compiler-rt/test/tsan/libdispatch/dispatch_once_deadlock.c
@@ -28,8 +28,8 @@ int main() {
 
   f();
 
-  pthread_mutex_t mutex = {0};
-  pthread_mutex_lock(&mutex);
+  pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
+  pthread_mutex_unlock(&mutex); // Unlock of an unlocked mutex
 
   fprintf(stderr, "g = %ld.\n", g);
   fprintf(stderr, "h = %ld.\n", h);