From ab61513f03e3775e54e47b51f826e0061ad3c7b9 Mon Sep 17 00:00:00 2001
From: Glenn Strauss <gstrauss@gluelogic.com>
Date: Sat, 17 Sep 2016 20:09:01 -0400
Subject: [PATCH] arith: use volatile to attempt to thwart optimizer

github: fixes #7, fixes #10, fixes #21
---
 UnixBench/src/arith.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/UnixBench/src/arith.c b/UnixBench/src/arith.c
index bbacb08..05fab70 100644
--- a/UnixBench/src/arith.c
+++ b/UnixBench/src/arith.c
@@ -35,7 +35,7 @@ char SCCSid[] = "@(#) @(#)arith.c:3.3 -- 5/15/91 19:30:19";
 
 int dumb_stuff(int);
 
-unsigned long iter;
+volatile unsigned long iter;
 
 /* this function is called when the alarm expires */
 void report()