Fix warning when compilin libcore on 16bit targets.

Fixes #49617
2018-04-03 15:33:18 +03:00 · 2018-04-03 15:33:18 +03:00 · f5c42655b5
commit f5c42655b5
parent 5ee891cfea
1 changed files with 1 additions and 0 deletions
--- 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 {