From 1ccad16231f58b09f127e679d54162acbc2f0dae Mon Sep 17 00:00:00 2001
From: Linus Färnstrand <faern@faern.net>
Date: Fri, 22 Mar 2019 22:14:35 +0100
Subject: Update sys::time impls to have checked_sub_instant

---
 src/libstd/sys/sgx/time.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/libstd/sys/sgx')

diff --git a/src/libstd/sys/sgx/time.rs b/src/libstd/sys/sgx/time.rs
index e4f789c3e36..4659f7ba71f 100644
--- a/src/libstd/sys/sgx/time.rs
+++ b/src/libstd/sys/sgx/time.rs
@@ -14,8 +14,8 @@ impl Instant {
         Instant(usercalls::insecure_time())
     }
 
-    pub fn sub_instant(&self, other: &Instant) -> Duration {
-        self.0 - other.0
+    pub fn checked_sub_instant(&self, other: &Instant) -> Option<Duration> {
+        self.0.checked_sub(other.0)
     }
 
     pub fn checked_add_duration(&self, other: &Duration) -> Option<Instant> {
-- 
cgit 1.4.1-3-g733a5