Fix warning when compilin libcore on 16bit targets.

Fixes rust-lang#49617
pftbest · Apr 3, 2018 · f5c4265 · f5c4265
1 parent 5ee891c
commit f5c4265
Showing 1 changed file with 1 addition and 0 deletions.
diff --git 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 {