Auto merge of #92003 - matthiaskrgr:rollup-obgv0rt, r=matthiaskrgr

Rollup of 7 pull requests

Successful merges:

 - #91172 (Warn when a `#[test]`-like built-in attribute macro is present multiple times.)
 - #91796 (Fix since attribute for const_manually_drop feature)
 - #91879 (Remove `in_band_lifetimes` from `rustc_borrowck`)
 - #91947 (Add `io::Error::other`)
 - #91967 (Pull in libdevstat on FreeBSD)
 - #91987 (Add module documentation for rustdoc passes)
 - #92001 (Fix default_method_body_is_const when used across crates)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup

Author: bors

core/src/mem/manually_drop.rs

@@ -64,7 +64,7 @@ impl<T> ManuallyDrop<T> {
     /// ```
     #[must_use = "if you don't need the wrapper, you can use `mem::forget` instead"]
     #[stable(feature = "manually_drop", since = "1.20.0")]
-    #[rustc_const_stable(feature = "const_manually_drop", since = "1.36.0")]
+    #[rustc_const_stable(feature = "const_manually_drop", since = "1.32.0")]
     #[inline(always)]
     pub const fn new(value: T) -> ManuallyDrop<T> {
         ManuallyDrop { value }
@@ -82,7 +82,7 @@ impl<T> ManuallyDrop<T> {
     /// let _: Box<()> = ManuallyDrop::into_inner(x); // This drops the `Box`.
     /// ```
     #[stable(feature = "manually_drop", since = "1.20.0")]
-    #[rustc_const_stable(feature = "const_manually_drop", since = "1.36.0")]
+    #[rustc_const_stable(feature = "const_manually_drop", since = "1.32.0")]
     #[inline(always)]
     pub const fn into_inner(slot: ManuallyDrop<T>) -> T {
         slot.value

std/src/io/error.rs

@@ -417,6 +417,33 @@ impl Error {
         Self::_new(kind, error.into())
     }
 
+    /// Creates a new I/O error from an arbitrary error payload.
+    ///
+    /// This function is used to generically create I/O errors which do not
+    /// originate from the OS itself. It is a shortcut for [`Error::new`]
+    /// with [`ErrorKind::Other`].
+    ///
+    /// # Examples
+    ///
+    /// ```
+    /// #![feature(io_error_other)]
+    ///
+    /// use std::io::Error;
+    ///
+    /// // errors can be created from strings
+    /// let custom_error = Error::other("oh no!");
+    ///
+    /// // errors can also be created from other errors
+    /// let custom_error2 = Error::other(custom_error);
+    /// ```
+    #[unstable(feature = "io_error_other", issue = "91946")]
+    pub fn other<E>(error: E) -> Error
+    where
+        E: Into<Box<dyn error::Error + Send + Sync>>,
+    {
+        Self::_new(ErrorKind::Other, error.into())
+    }
+
     fn _new(kind: ErrorKind, error: Box<dyn error::Error + Send + Sync>) -> Error {
         Error { repr: Repr::Custom(Box::new(Custom { kind, error })) }
     }