From 078a6231a78a974eb19df884630edb8c65909941 Mon Sep 17 00:00:00 2001
From: Ulrik Sverdrup <bluss@users.noreply.github.com>
Date: Wed, 20 Jan 2016 17:59:32 +0100
Subject: [PATCH] std: Use the fallback impl for memrchr on non-linux

This code was never used(!). This brings the memrchr improvements to
non-linux platforms (LineWriter / buffered stdout benefits).
---
 src/libstd/memchr.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libstd/memchr.rs b/src/libstd/memchr.rs
index c043b41ed21f0..27702e2e59aef 100644
--- a/src/libstd/memchr.rs
+++ b/src/libstd/memchr.rs
@@ -98,7 +98,7 @@ pub fn memrchr(needle: u8, haystack: &[u8]) -> Option<usize> {
 
     #[cfg(not(target_os = "linux"))]
     fn memrchr_specific(needle: u8, haystack: &[u8]) -> Option<usize> {
-        haystack.iter().rposition(|&b| b == needle)
+        fallback::memrchr(needle, haystack)
     }
 
     memrchr_specific(needle, haystack)