Merge from rustc

5 files changed, 18 insertions, 7 deletions

diff --git a/library/std/src/io/error.rs b/library/std/src/io/error.rs
index 324d698eaeb..7f07e4fddef 100644
--- a/library/std/src/io/error.rs
+++ b/library/std/src/io/error.rs
@@ -102,7 +102,7 @@ enum ErrorData<C> {
 /// portability.
 ///
 /// [`into`]: Into::into
-#[unstable(feature = "raw_os_error_ty", issue = "none")]
+#[unstable(feature = "raw_os_error_ty", issue = "107792")]
 pub type RawOsError = i32;
 
 // `#[repr(align(4))]` is probably redundant, it should have that value or
diff --git a/library/std/src/io/mod.rs b/library/std/src/io/mod.rs
index 5907ba5d5fb..b2b6d86134b 100644
--- a/library/std/src/io/mod.rs
+++ b/library/std/src/io/mod.rs
@@ -262,7 +262,7 @@ use crate::sys_common::memchr;
 
 #[stable(feature = "bufwriter_into_parts", since = "1.56.0")]
 pub use self::buffered::WriterPanicked;
-#[unstable(feature = "raw_os_error_ty", issue = "none")]
+#[unstable(feature = "raw_os_error_ty", issue = "107792")]
 pub use self::error::RawOsError;
 pub(crate) use self::stdio::attempt_print_to_stderr;
 #[unstable(feature = "internal_output_capture", issue = "none")]
diff --git a/library/std/src/lib.rs b/library/std/src/lib.rs
index 762f7a7c9a1..363a2667174 100644
--- a/library/std/src/lib.rs
+++ b/library/std/src/lib.rs
@@ -273,13 +273,9 @@
 #![feature(utf8_chunks)]
 //
 // Library features (core):
-#![feature(array_error_internals)]
 #![feature(atomic_mut_ptr)]
-#![feature(char_error_internals)]
 #![feature(char_internals)]
 #![feature(core_intrinsics)]
-#![feature(cstr_from_bytes_until_nul)]
-#![feature(cstr_internals)]
 #![feature(duration_constants)]
 #![feature(error_generic_member_access)]
 #![feature(error_in_core)]
@@ -291,7 +287,6 @@
 #![feature(float_next_up_down)]
 #![feature(hasher_prefixfree_extras)]
 #![feature(hashmap_internals)]
-#![feature(int_error_internals)]
 #![feature(is_some_and)]
 #![feature(maybe_uninit_slice)]
 #![feature(maybe_uninit_write_slice)]
diff --git a/library/std/src/os/fd/owned.rs b/library/std/src/os/fd/owned.rs
index c41e093a7e5..439b8d52a2d 100644
--- a/library/std/src/os/fd/owned.rs
+++ b/library/std/src/os/fd/owned.rs
@@ -396,6 +396,14 @@ impl<T: AsFd> AsFd for crate::sync::Arc<T> {
     }
 }
 
+#[stable(feature = "asfd_rc", since = "CURRENT_RUSTC_VERSION")]
+impl<T: AsFd> AsFd for crate::rc::Rc<T> {
+    #[inline]
+    fn as_fd(&self) -> BorrowedFd<'_> {
+        (**self).as_fd()
+    }
+}
+
 #[stable(feature = "asfd_ptrs", since = "1.64.0")]
 impl<T: AsFd> AsFd for Box<T> {
     #[inline]
diff --git a/library/std/src/os/fd/raw.rs b/library/std/src/os/fd/raw.rs
index f92a0506670..c138162f1ab 100644
--- a/library/std/src/os/fd/raw.rs
+++ b/library/std/src/os/fd/raw.rs
@@ -244,6 +244,14 @@ impl<T: AsRawFd> AsRawFd for crate::sync::Arc<T> {
     }
 }
 
+#[stable(feature = "asfd_rc", since = "CURRENT_RUSTC_VERSION")]
+impl<T: AsRawFd> AsRawFd for crate::rc::Rc<T> {
+    #[inline]
+    fn as_raw_fd(&self) -> RawFd {
+        (**self).as_raw_fd()
+    }
+}
+
 #[stable(feature = "asrawfd_ptrs", since = "1.63.0")]
 impl<T: AsRawFd> AsRawFd for Box<T> {
     #[inline]