Auto merge of #74117 - Manishearth:rollup-ds7z0kx, r=Manishearth

Rollup of 14 pull requests

Successful merges:

 - #70563 ([rustdoc] Page hash handling)
 - #73856 (Edit librustc_lexer top-level docs)
 - #73870 (typeck: adding type information to projection)
 - #73953 (Audit hidden/short code suggestions)
 - #73962 (libstd/net/tcp.rs: #![deny(unsafe_op_in_unsafe_fn)])
 - #73969 (mir: mark mir construction temporaries as internal)
 - #73974 (Move A|Rc::as_ptr from feature(weak_into_raw) to feature(rc_as_ptr))
 - #74067 (rustdoc: Restore underline text decoration on hover for FQN in header)
 - #74074 (Fix the return type of Windows' `OpenOptionsExt::security_qos_flags`.)
 - #74078 (Always resolve type@primitive as a primitive, not a module)
 - #74089 (Add rust-analyzer to the build manifest)
 - #74090 (Remove unused RUSTC_DEBUG_ASSERTIONS)
 - #74102 (Fix const prop ICE)
 - #74112 (Expand abbreviation in core::ffi description)

Failed merges:

r? @ghost

4 files changed, 8 insertions, 5 deletions

diff --git a/src/libstd/net/tcp.rs b/src/libstd/net/tcp.rs
index 9ac54dd5f7a..47b8532b7a6 100644
--- a/src/libstd/net/tcp.rs
+++ b/src/libstd/net/tcp.rs
@@ -1,3 +1,4 @@
+#![deny(unsafe_op_in_unsafe_fn)]
 use crate::io::prelude::*;
 
 use crate::fmt;
@@ -583,7 +584,8 @@ impl Read for TcpStream {
 
     #[inline]
     unsafe fn initializer(&self) -> Initializer {
-        Initializer::nop()
+        // SAFETY: Read is guaranteed to work on uninitialized memory
+        unsafe { Initializer::nop() }
     }
 }
 #[stable(feature = "rust1", since = "1.0.0")]
@@ -622,7 +624,8 @@ impl Read for &TcpStream {
 
     #[inline]
     unsafe fn initializer(&self) -> Initializer {
-        Initializer::nop()
+        // SAFETY: Read is guaranteed to work on uninitialized memory
+        unsafe { Initializer::nop() }
     }
 }
 #[stable(feature = "rust1", since = "1.0.0")]
diff --git a/src/libstd/sys/unix/ext/fs.rs b/src/libstd/sys/unix/ext/fs.rs
index e4d71493604..2b2bbc6e9d6 100644
--- a/src/libstd/sys/unix/ext/fs.rs
+++ b/src/libstd/sys/unix/ext/fs.rs
@@ -133,7 +133,7 @@ pub trait FileExt {
     /// Note that similar to [`File::write`], it is not an error to return a
     /// short write.
     ///
-    /// [`File::write`]: ../../../../std/fs/struct.File.html#write.v
+    /// [`File::write`]: ../../../../std/fs/struct.File.html#method.write
     ///
     /// # Examples
     ///
diff --git a/src/libstd/sys/vxworks/ext/fs.rs b/src/libstd/sys/vxworks/ext/fs.rs
index 7cc64658ee1..b479fbaf346 100644
--- a/src/libstd/sys/vxworks/ext/fs.rs
+++ b/src/libstd/sys/vxworks/ext/fs.rs
@@ -132,7 +132,7 @@ pub trait FileExt {
     /// Note that similar to [`File::write`], it is not an error to return a
     /// short write.
     ///
-    /// [`File::write`]: ../../../../std/fs/struct.File.html#write.v
+    /// [`File::write`]: ../../../../std/fs/struct.File.html#method.write
     ///
     /// # Examples
     ///
diff --git a/src/libstd/sys/windows/ext/fs.rs b/src/libstd/sys/windows/ext/fs.rs
index f85120d170f..81b2bf99872 100644
--- a/src/libstd/sys/windows/ext/fs.rs
+++ b/src/libstd/sys/windows/ext/fs.rs
@@ -259,7 +259,7 @@ pub trait OpenOptionsExt {
     /// [Impersonation Levels]:
     ///     https://docs.microsoft.com/en-us/windows/win32/api/winnt/ne-winnt-security_impersonation_level
     #[stable(feature = "open_options_ext", since = "1.10.0")]
-    fn security_qos_flags(&mut self, flags: u32) -> &mut OpenOptions;
+    fn security_qos_flags(&mut self, flags: u32) -> &mut Self;
 }
 
 #[stable(feature = "open_options_ext", since = "1.10.0")]