From 27239e1123303129bb48d976e71bb79aad3fa5e3 Mon Sep 17 00:00:00 2001
From: Simon Sapin <simon.sapin@exyr.org>
Date: Sun, 15 Oct 2017 01:04:12 +0200
Subject: Make usage of core_intrinsics optional

---
 components/script/task.rs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'components/script/task.rs')

diff --git a/components/script/task.rs b/components/script/task.rs
index e90fc21c55c..eab786c8c20 100644
--- a/components/script/task.rs
+++ b/components/script/task.rs
@@ -5,7 +5,6 @@
 //! Machinery for [tasks](https://html.spec.whatwg.org/multipage/#concept-task).
 
 use std::fmt;
-use std::intrinsics;
 use std::sync::Arc;
 use std::sync::atomic::{AtomicBool, Ordering};
 
@@ -33,7 +32,10 @@ macro_rules! task {
 pub trait TaskOnce: Send {
     #[allow(unsafe_code)]
     fn name(&self) -> &'static str {
-        unsafe { intrinsics::type_name::<Self>() }
+        #[cfg(feature = "unstable")]
+        unsafe { ::std::intrinsics::type_name::<Self>() }
+        #[cfg(not(feature = "unstable"))]
+        { "(task name unknown)" }
     }
 
     fn run_once(self);
-- 
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