Rollup merge of #56941 - euclio:deny-libstd-resolution-failures, r=QuietMisdreavus

deny intra-doc link resolution failures in libstd

Fixes #56693.

Until we land a fix for the underlying issue (#56922), we can at least fix the failures in libstd so they don't propagate to downstream crates.

3 files changed, 8 insertions, 1 deletions

diff --git a/src/libstd/io/buffered.rs b/src/libstd/io/buffered.rs
index 7ede050da6c..7aaf89cd0ff 100644
--- a/src/libstd/io/buffered.rs
+++ b/src/libstd/io/buffered.rs
@@ -294,7 +294,7 @@ impl<R: Seek> Seek for BufReader<R> {
     /// `.into_inner()` immediately after a seek yields the underlying reader
     /// at the same position.
     ///
-    /// To seek without discarding the internal buffer, use [`Seek::seek_relative`].
+    /// To seek without discarding the internal buffer, use [`BufReader::seek_relative`].
     ///
     /// See [`std::io::Seek`] for more details.
     ///
@@ -303,6 +303,9 @@ impl<R: Seek> Seek for BufReader<R> {
     /// seeks will be performed instead of one. If the second seek returns
     /// `Err`, the underlying reader will be left at the same position it would
     /// have if you called `seek` with `SeekFrom::Current(0)`.
+    ///
+    /// [`BufReader::seek_relative`]: struct.BufReader.html#method.seek_relative
+    /// [`std::io::Seek`]: trait.Seek.html
     fn seek(&mut self, pos: SeekFrom) -> io::Result<u64> {
         let result: u64;
         if let SeekFrom::Current(n) = pos {
diff --git a/src/libstd/io/error.rs b/src/libstd/io/error.rs
index d3844ebe19e..324852355b0 100644
--- a/src/libstd/io/error.rs
+++ b/src/libstd/io/error.rs
@@ -225,6 +225,9 @@ impl From<ErrorKind> for Error {
     /// let error = Error::from(not_found);
     /// assert_eq!("entity not found", format!("{}", error));
     /// ```
+    ///
+    /// [`ErrorKind`]: ../../std/io/enum.ErrorKind.html
+    /// [`Error`]: ../../std/io/struct.Error.html
     #[inline]
     fn from(kind: ErrorKind) -> Error {
         Error {
diff --git a/src/libstd/lib.rs b/src/libstd/lib.rs
index 9042cb3c72d..0d3de34fe64 100644
--- a/src/libstd/lib.rs
+++ b/src/libstd/lib.rs
@@ -222,6 +222,7 @@
 #![no_std]
 
 #![deny(missing_docs)]
+#![deny(intra_doc_link_resolution_failure)]
 #![deny(missing_debug_implementations)]
 
 // Tell the compiler to link to either panic_abort or panic_unwind