From 094ca53744a0b8970f0b30be35cdd0477b7cdfea Mon Sep 17 00:00:00 2001
From: Ivan Maidanski <ivmai@mail.ru>
Date: Thu, 23 Mar 2017 03:16:12 +0300
Subject: [PATCH] Fix tools/setjmp_t hang (OS X)

* tools/setjmp_t.c (main): Declare "y" static variable as volatile (to
prevent reordering/optimization of y++).
---
 tools/setjmp_t.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/setjmp_t.c b/tools/setjmp_t.c
index 987599e..b3bb86d 100644
--- a/tools/setjmp_t.c
+++ b/tools/setjmp_t.c
@@ -82,7 +82,7 @@ int main(void)
     unsigned ps = GETPAGESIZE();
     jmp_buf b;
     register int x = (int)strlen("a");  /* 1, slightly disguised */
-    static int y = 0;
+    static volatile int y = 0;
 
     sp = (word)(&sp);
     printf("This appears to be a %s running %s\n", MACH_TYPE, OS_TYPE);
-- 
2.7.4