Auto merge of #84864 - Mark-Simulacrum:stable-next, r=Mark-Simulacrum 1.52.0

[stable] 1.52.0 release

This includes the release notes (#84183) as well as cherry-picked commits from:

* [beta] revert PR #77885 #84710
* [beta] remove assert_matches #84759
* Revert PR 81473 to resolve (on beta) issues 81626 and 81658. #83171
* [beta] rustdoc revert deref recur #84868
*  Fix ICE of for-loop mut borrowck where no suggestions are available #83401

Additionally in "fresh work" we're also:

* reverting: directly expose copy and copy_nonoverlapping intrinsics #81238 to avoid https://github.com/rust-lang/rust/issues/84297 on 1.52

4 files changed, 18 insertions, 72 deletions

diff --git a/src/test/rustdoc/deref-recursive-pathbuf.rs b/src/test/rustdoc/deref-recursive-pathbuf.rs
deleted file mode 100644
index 759e881aab4..00000000000
--- a/src/test/rustdoc/deref-recursive-pathbuf.rs
+++ /dev/null
@@ -1,26 +0,0 @@
-// ignore-tidy-linelength
-
-// #26207: Show all methods reachable via Deref impls, recursing through multiple dereferencing
-// levels and across multiple crates.
-
-// @has 'foo/struct.Foo.html'
-// @has '-' '//*[@id="deref-methods-PathBuf"]' 'Methods from Deref<Target = PathBuf>'
-// @has '-' '//*[@class="impl-items"]//*[@id="method.as_path"]' 'pub fn as_path(&self)'
-// @has '-' '//*[@id="deref-methods-Path"]' 'Methods from Deref<Target = Path>'
-// @has '-' '//*[@class="impl-items"]//*[@id="method.exists"]' 'pub fn exists(&self)'
-// @has '-' '//*[@class="sidebar-title"][@href="#deref-methods-PathBuf"]' 'Methods from Deref<Target=PathBuf>'
-// @has '-' '//*[@class="sidebar-links"]/a[@href="#method.as_path"]' 'as_path'
-// @has '-' '//*[@class="sidebar-title"][@href="#deref-methods-Path"]' 'Methods from Deref<Target=Path>'
-// @has '-' '//*[@class="sidebar-links"]/a[@href="#method.exists"]' 'exists'
-
-#![crate_name = "foo"]
-
-use std::ops::Deref;
-use std::path::PathBuf;
-
-pub struct Foo(PathBuf);
-
-impl Deref for Foo {
-    type Target = PathBuf;
-    fn deref(&self) -> &PathBuf { &self.0 }
-}
diff --git a/src/test/rustdoc/deref-recursive.rs b/src/test/rustdoc/deref-recursive.rs
deleted file mode 100644
index 5aef87c38cd..00000000000
--- a/src/test/rustdoc/deref-recursive.rs
+++ /dev/null
@@ -1,42 +0,0 @@
-// ignore-tidy-linelength
-
-// #26207: Show all methods reachable via Deref impls, recursing through multiple dereferencing
-// levels if needed.
-
-// @has 'foo/struct.Foo.html'
-// @has '-' '//*[@id="deref-methods-Bar"]' 'Methods from Deref<Target = Bar>'
-// @has '-' '//*[@class="impl-items"]//*[@id="method.bar"]' 'pub fn bar(&self)'
-// @has '-' '//*[@id="deref-methods-Baz"]' 'Methods from Deref<Target = Baz>'
-// @has '-' '//*[@class="impl-items"]//*[@id="method.baz"]' 'pub fn baz(&self)'
-// @has '-' '//*[@class="sidebar-title"][@href="#deref-methods-Bar"]' 'Methods from Deref<Target=Bar>'
-// @has '-' '//*[@class="sidebar-links"]/a[@href="#method.bar"]' 'bar'
-// @has '-' '//*[@class="sidebar-title"][@href="#deref-methods-Baz"]' 'Methods from Deref<Target=Baz>'
-// @has '-' '//*[@class="sidebar-links"]/a[@href="#method.baz"]' 'baz'
-
-#![crate_name = "foo"]
-
-use std::ops::Deref;
-
-pub struct Foo(Bar);
-pub struct Bar(Baz);
-pub struct Baz;
-
-impl Deref for Foo {
-    type Target = Bar;
-    fn deref(&self) -> &Bar { &self.0 }
-}
-
-impl Deref for Bar {
-    type Target = Baz;
-    fn deref(&self) -> &Baz { &self.0 }
-}
-
-impl Bar {
-    /// This appears under `Foo` methods
-    pub fn bar(&self) {}
-}
-
-impl Baz {
-    /// This should also appear in `Foo` methods when recursing
-    pub fn baz(&self) {}
-}
diff --git a/src/test/rustdoc/deref-typedef.rs b/src/test/rustdoc/deref-typedef.rs
index 589f133b975..3fc48b46d74 100644
--- a/src/test/rustdoc/deref-typedef.rs
+++ b/src/test/rustdoc/deref-typedef.rs
@@ -1,14 +1,12 @@
-// ignore-tidy-linelength
-
 #![crate_name = "foo"]
 
 // @has 'foo/struct.Bar.html'
-// @has '-' '//*[@id="deref-methods-FooJ"]' 'Methods from Deref<Target = FooJ>'
+// @has '-' '//*[@id="deref-methods"]' 'Methods from Deref<Target = FooJ>'
 // @has '-' '//*[@class="impl-items"]//*[@id="method.foo_a"]' 'pub fn foo_a(&self)'
 // @has '-' '//*[@class="impl-items"]//*[@id="method.foo_b"]' 'pub fn foo_b(&self)'
 // @has '-' '//*[@class="impl-items"]//*[@id="method.foo_c"]' 'pub fn foo_c(&self)'
 // @has '-' '//*[@class="impl-items"]//*[@id="method.foo_j"]' 'pub fn foo_j(&self)'
-// @has '-' '//*[@class="sidebar-title"][@href="#deref-methods-FooJ"]' 'Methods from Deref<Target=FooJ>'
+// @has '-' '//*[@class="sidebar-title"][@href="#deref-methods"]' 'Methods from Deref<Target=FooJ>'
 // @has '-' '//*[@class="sidebar-links"]/a[@href="#method.foo_a"]' 'foo_a'
 // @has '-' '//*[@class="sidebar-links"]/a[@href="#method.foo_b"]' 'foo_b'
 // @has '-' '//*[@class="sidebar-links"]/a[@href="#method.foo_c"]' 'foo_c'
diff --git a/src/test/rustdoc/issue-82465-asref-for-and-of-local.rs b/src/test/rustdoc/issue-82465-asref-for-and-of-local.rs
new file mode 100644
index 00000000000..618ac20ac48
--- /dev/null
+++ b/src/test/rustdoc/issue-82465-asref-for-and-of-local.rs
@@ -0,0 +1,16 @@
+use std::convert::AsRef;
+pub struct Local;
+
+// @has issue_82465_asref_for_and_of_local/struct.Local.html '//code' 'impl AsRef<str> for Local'
+impl AsRef<str> for Local {
+    fn as_ref(&self) -> &str {
+        todo!()
+    }
+}
+
+// @has - '//code' 'impl AsRef<Local> for str'
+impl AsRef<Local> for str {
+    fn as_ref(&self) -> &Local {
+        todo!()
+    }
+}