From 01ca4161c9fd079f4a6a23d6562ea6e26798cfee Mon Sep 17 00:00:00 2001
From: Ivan Maidanski <ivmai@mail.ru>
Date: Tue, 6 Dec 2016 02:21:33 +0300
Subject: [PATCH] Fix 'context local variable might be clobbered by setjmp'
 compiler warning

* mach_dep.c (GC_with_callee_saves_pushed): Mark "context" local
variable as volatile (to prevent it from potential clobbering).
---
 mach_dep.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mach_dep.c b/mach_dep.c
index 9edf333c..c6ffa74e 100644
--- a/mach_dep.c
+++ b/mach_dep.c
@@ -214,7 +214,7 @@ GC_INNER void GC_with_callee_saves_pushed(void (*fn)(ptr_t, void *),
                                           volatile ptr_t arg)
 {
   volatile int dummy;
-  void * context = 0;
+  void * volatile context = 0;
 
 # if defined(HAVE_PUSH_REGS)
     GC_push_regs();
-- 
2.40.0