From 33452b0587ad543c6d7cc0f41daad6d4be71842f Mon Sep 17 00:00:00 2001
From: Ralf Jung <post@ralfj.de>
Date: Wed, 17 Jul 2019 09:33:08 +0200
Subject: [PATCH] warn about deprecated-in-future in most of libstd

---
 src/libstd/lib.rs              | 2 +-
 src/libstd/sync/mod.rs         | 2 +-
 src/libstd/sys/cloudabi/mod.rs | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/libstd/lib.rs b/src/libstd/lib.rs
index f394195d77a..79b2f09f40a 100644
--- a/src/libstd/lib.rs
+++ b/src/libstd/lib.rs
@@ -205,7 +205,7 @@
 // Don't link to std. We are std.
 #![no_std]
 
-//#![warn(deprecated_in_future)] // FIXME: std still has quite a few uses of `mem::uninitialized`
+#![warn(deprecated_in_future)]
 #![warn(missing_docs)]
 #![warn(missing_debug_implementations)]
 #![deny(intra_doc_link_resolution_failure)] // rustdoc is run without -D warnings
diff --git a/src/libstd/sync/mod.rs b/src/libstd/sync/mod.rs
index fd6e46fd61d..5d4cdb16472 100644
--- a/src/libstd/sync/mod.rs
+++ b/src/libstd/sync/mod.rs
@@ -163,7 +163,7 @@ pub use self::condvar::{Condvar, WaitTimeoutResult};
 #[stable(feature = "rust1", since = "1.0.0")]
 pub use self::mutex::{Mutex, MutexGuard};
 #[stable(feature = "rust1", since = "1.0.0")]
-#[allow(deprecated)]
+#[allow(deprecated_in_future)]
 pub use self::once::{Once, OnceState, ONCE_INIT};
 #[stable(feature = "rust1", since = "1.0.0")]
 pub use crate::sys_common::poison::{PoisonError, TryLockError, TryLockResult, LockResult};
diff --git a/src/libstd/sys/cloudabi/mod.rs b/src/libstd/sys/cloudabi/mod.rs
index 3fef7552259..77a52a8743d 100644
--- a/src/libstd/sys/cloudabi/mod.rs
+++ b/src/libstd/sys/cloudabi/mod.rs
@@ -1,4 +1,4 @@
-#![allow(deprecated)] // mem::uninitialized
+#![allow(deprecated_in_future)] // mem::uninitialized; becomes `deprecated` when nightly is 1.39
 
 use crate::io::ErrorKind;
 use crate::mem;