Minor fixes

Author: peter-lyons-kehl

library/std/src/ffi/os_str.rs

@@ -1,6 +1,7 @@
 #[cfg(test)]
 mod tests;
 
+use crate::alloc::Global;
 use crate::borrow::{Borrow, Cow};
 use crate::cmp;
 use crate::collections::TryReserveError;

library/std/src/io/impls.rs

@@ -1,7 +1,7 @@
 #[cfg(test)]
 mod tests;
 
-use crate::alloc::Allocator;
+use crate::alloc::{Allocator, self};
 use crate::cmp;
 use crate::collections::VecDeque;
 use crate::fmt;
@@ -419,7 +419,7 @@ where
 #[stable(feature = "vecdeque_read_write", since = "1.63.0")]
 impl<A: Allocator, const _COOP_PREFERRED: bool> Read for VecDeque<u8, A, _COOP_PREFERRED>
 where
-    [(); co_alloc_metadata_num_slots_with_preference::<A>(_COOP_PREFERRED)]:,
+    [(); alloc::co_alloc_metadata_num_slots_with_preference::<A>(_COOP_PREFERRED)]:,
 {
     /// Fill `buf` with the contents of the "front" slice as returned by
     /// [`as_slices`][`VecDeque::as_slices`]. If the contained byte slices of the `VecDeque` are
@@ -446,7 +446,7 @@ where
 #[stable(feature = "vecdeque_read_write", since = "1.63.0")]
 impl<A: Allocator, const _COOP_PREFERRED: bool> Write for VecDeque<u8, A, _COOP_PREFERRED>
 where
-    [(); co_alloc_metadata_num_slots_with_preference::<A>(_COOP_PREFERRED)]:,
+    [(); alloc::co_alloc_metadata_num_slots_with_preference::<A>(_COOP_PREFERRED)]:,
 {
     #[inline]
     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {

library/std/src/lib.rs

@@ -214,6 +214,10 @@
 #![needs_panic_runtime]
 //
 // Lints:
+#![allow(incomplete_features)]
+#![feature(generic_const_exprs)]
+#![feature(global_co_alloc)]
+#![feature(global_co_alloc_plvec)]
 #![warn(deprecated_in_future)]
 #![warn(missing_docs)]
 #![warn(missing_debug_implementations)]

library/std/src/path.rs

@@ -70,6 +70,7 @@
 #[cfg(test)]
 mod tests;
 
+use crate::alloc::{Global, self};
 use crate::borrow::{Borrow, Cow};
 use crate::cmp;
 use crate::collections::TryReserveError;
@@ -3143,7 +3144,7 @@ impl AsRef<Path> for str {
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<const COOP_PREFERRED: bool> AsRef<Path> for String<COOP_PREFERRED>
 where
-    [(); core::alloc::co_alloc_metadata_num_slots_with_preference::<Global>(COOP_PREFERRED)]:,
+    [(); alloc::co_alloc_metadata_num_slots_with_preference::<Global>(COOP_PREFERRED)]:,
 {
     #[inline]
     fn as_ref(&self) -> &Path {

library/std/src/sys/unix/thread_local_dtor.rs

@@ -1,12 +1,9 @@
 #![cfg(target_thread_local)]
 #![unstable(feature = "thread_local_internals", issue = "none")]
-#![feature(global_co_alloc_plvec)]
 
 //! Provides thread-local destructors without an associated "key", which
 //! can be more efficient.
 
-use core::alloc::PlVec;
-
 // Since what appears to be glibc 2.18 this symbol has been shipped which
 // GCC and clang both use to invoke destructors in thread_local globals, so
 // let's do the same!
@@ -69,7 +66,7 @@ pub unsafe fn register_dtor(t: *mut u8, dtor: unsafe extern "C" fn(*mut u8)) {
         REGISTERED.set(true);
     }
 
-    type List = PlVec<(*mut u8, unsafe extern "C" fn(*mut u8))>;
+    type List = alloc::vec::PlVec<(*mut u8, unsafe extern "C" fn(*mut u8))>;
 
     #[thread_local]
     static DTORS: Cell<*mut List> = Cell::new(ptr::null_mut());

library/std/src/sys_common/thread_local_dtor.rs

@@ -12,7 +12,6 @@
 
 #![unstable(feature = "thread_local_internals", issue = "none")]
 #![allow(dead_code)]
-#![feature(global_co_alloc_plvec)]
 
 use crate::ptr;
 use crate::sys_common::thread_local_key::StaticKey;