rollup merge of #21457: alexcrichton/issue-21436

[rust.git] / src / libcore / lib.rs

diff --git a/src/libcore/lib.rs b/src/libcore/lib.rs
index 78e8a2a9e9164be4bf34700c3ec630231a328202..1e271f972b13132bc125c7183bf624546d0a9d7e 100644 (file)
--- a/src/libcore/lib.rs
+++ b/src/libcore/lib.rs
@@ -58,12 +58,13 @@
 
 #![no_std]
 #![allow(unknown_features, raw_pointer_derive)]
-#![cfg_attr(stage0, allow(unused_attributes))]
 #![allow(unknown_features)] #![feature(intrinsics, lang_items)]
 #![feature(simd, unsafe_destructor, slicing_syntax)]
 #![feature(unboxed_closures)]
 #![allow(unknown_features)] #![feature(int_uint)]
 #![feature(on_unimplemented)]
+// FIXME(#21363) remove `old_impl_check` when bug is fixed
+#![feature(old_impl_check)]
 #![deny(missing_docs)]
 
 #[macro_use]
@@ -137,6 +138,7 @@
 pub mod str;
 pub mod hash;
 pub mod fmt;
+pub mod error;
 
 // note: does not need to be public
 mod tuple;