From f5c42655b597d37c2e79ac48e60ef4b796d84e3e Mon Sep 17 00:00:00 2001
From: Vadzim Dambrouski <vadzim.dambrouski@promwad.com>
Date: Tue, 3 Apr 2018 15:33:18 +0300
Subject: [PATCH] Fix warning when compilin libcore on 16bit targets.

Fixes #49617
---
 src/libcore/iter/range.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libcore/iter/range.rs b/src/libcore/iter/range.rs
index 72b48b565719c..5d57207763e47 100644
--- a/src/libcore/iter/range.rs
+++ b/src/libcore/iter/range.rs
@@ -488,6 +488,7 @@ macro_rules! try_from_unbounded {
 }
 
 // unsigned to signed (only positive bound)
+#[cfg(any(target_pointer_width = "32", target_pointer_width = "64"))]
 macro_rules! try_from_upper_bounded {
     ($($target:ty),*) => {$(
         impl PrivateTryFromUsize for $target {