From 1ed5696f767ea3e9f8f990394936fe0ed4ce3c58 Mon Sep 17 00:00:00 2001
From: Jorge Aparicio <japaricious@gmail.com>
Date: Wed, 12 Apr 2017 16:26:42 -0500
Subject: fix warning

---
 src/lib.rs | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/lib.rs')

diff --git a/src/lib.rs b/src/lib.rs
index 2bffa1a..1e2f59b 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -8,6 +8,7 @@ extern crate typenum;
 
 use core::cell::UnsafeCell;
 use core::marker::PhantomData;
+#[cfg(not(thumbv6m))]
 use core::ops::Sub;
 
 use cortex_m::interrupt::Nr;
-- 
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