File 574.patch of Package libdispatch

From 6ffc3ed464fa7930ac59b77d534a0607ef95c57f Mon Sep 17 00:00:00 2001
From: Ron Olson <tachoknight@gmail.com>
Date: Fri, 17 Sep 2021 12:21:34 -0500
Subject: [PATCH 1/2] Added no-op for variable to avoid a warning treated as
 error with Clang 13

---
 tests/bsdtestharness.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tests/bsdtestharness.c b/tests/bsdtestharness.c
index ca52d6e97..38ef26ac9 100644
--- a/tests/bsdtestharness.c
+++ b/tests/bsdtestharness.c
@@ -152,6 +152,7 @@ main(int argc, char *argv[])
 	assert(pid > 0);
 
 #if defined(__linux__)
+      (void)to;
 	int status;
 	struct rusage usage;
 	struct timeval tv_stop, tv_wall;

From 6656bb31079e974c5886dcb81d60d785fb5874e0 Mon Sep 17 00:00:00 2001
From: Ron Olson <tachoknight@gmail.com>
Date: Tue, 21 Sep 2021 09:33:31 -0500
Subject: [PATCH 2/2] Found another spot where no-ops are necessary to keep
 Clang 13 happy

---
 tests/dispatch_apply.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/dispatch_apply.c b/tests/dispatch_apply.c
index fa7fab53f..2c52da993 100644
--- a/tests/dispatch_apply.c
+++ b/tests/dispatch_apply.c
@@ -57,6 +57,8 @@ static void busythread(void *ignored)
 	/* prevent i and j been optimized out */
 	volatile uint64_t i = 0, j = 0;
 
+	(void)i;
+	(void)j;
 	OSAtomicIncrement32(&busy_threads_started);
 
 	while(!all_done)