Auto merge of rust-lang#138548 - jieyouxu:rollup-xpslct5, r=jieyouxu

Rollup of 16 pull requests

Successful merges:

 - rust-lang#133055 (Expand `CloneToUninit` documentation.)
 - rust-lang#137147 (Add exclude to config.toml)
 - rust-lang#137864 (Don't drop `Rvalue::WrapUnsafeBinder` during GVN)
 - rust-lang#137890 (doc: clarify that consume can be called after BufReader::peek)
 - rust-lang#137956 (Add RTN support to rustdoc)
 - rust-lang#137968 (Properly escape regexes in Python scripts)
 - rust-lang#138082 (Remove `#[cfg(not(test))]` gates in `core`)
 - rust-lang#138275 (expose `is_s390x_feature_detected!` from `std::arch`)
 - rust-lang#138303 (Fix Ptr inconsistency in {Rc,Arc})
 - rust-lang#138309 (Add missing doc for intrinsic (Fix PR135334))
 - rust-lang#138323 (Expand and organize `offset_of!` documentation.)
 - rust-lang#138329 (debug-assert that the size_hint is well-formed in `collect`)
 - rust-lang#138465 (linkchecker: bump html5ever)
 - rust-lang#138471 (Clean up some tests in tests/ui)
 - rust-lang#138472 (Add codegen test for rust-lang#129795)
 - rust-lang#138484 (Use lit span when suggesting suffix lit cast)

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

Author: bors

config.example.toml

@@ -446,6 +446,10 @@
 # a specific version.
 #ccache = false
 
+# List of paths to exclude from the build and test processes. 
+# For example, exclude = ["tests/ui", "src/tools/tidy"].
+#exclude = []
+
 # =============================================================================
 # General install configuration options
 # =============================================================================

library/alloc/src/rc.rs

@@ -1327,11 +1327,14 @@ impl<T: ?Sized> Rc<T> {
     ///
     /// # Safety
     ///
-    /// The pointer must have been obtained through `Rc::into_raw`, the
-    /// associated `Rc` instance must be valid (i.e. the strong count must be at
+    /// The pointer must have been obtained through `Rc::into_raw` and must satisfy the
+    /// same layout requirements specified in [`Rc::from_raw_in`][from_raw_in].
+    /// The associated `Rc` instance must be valid (i.e. the strong count must be at
     /// least 1) for the duration of this method, and `ptr` must point to a block of memory
     /// allocated by the global allocator.
     ///
+    /// [from_raw_in]: Rc::from_raw_in
+    ///
     /// # Examples
     ///
     /// ```
@@ -1360,12 +1363,15 @@ impl<T: ?Sized> Rc<T> {
     ///
     /// # Safety
     ///
-    /// The pointer must have been obtained through `Rc::into_raw`, the
-    /// associated `Rc` instance must be valid (i.e. the strong count must be at
+    /// The pointer must have been obtained through `Rc::into_raw`and must satisfy the
+    /// same layout requirements specified in [`Rc::from_raw_in`][from_raw_in].
+    /// The associated `Rc` instance must be valid (i.e. the strong count must be at
     /// least 1) when invoking this method, and `ptr` must point to a block of memory
     /// allocated by the global allocator. This method can be used to release the final `Rc` and
     /// backing storage, but **should not** be called after the final `Rc` has been released.
     ///
+    /// [from_raw_in]: Rc::from_raw_in
+    ///
     /// # Examples
     ///
     /// ```
@@ -1623,10 +1629,13 @@ impl<T: ?Sized, A: Allocator> Rc<T, A> {
     ///
     /// # Safety
     ///
-    /// The pointer must have been obtained through `Rc::into_raw`, the
-    /// associated `Rc` instance must be valid (i.e. the strong count must be at
+    /// The pointer must have been obtained through `Rc::into_raw` and must satisfy the
+    /// same layout requirements specified in [`Rc::from_raw_in`][from_raw_in].
+    /// The associated `Rc` instance must be valid (i.e. the strong count must be at
     /// least 1) for the duration of this method, and `ptr` must point to a block of memory
-    /// allocated by `alloc`
+    /// allocated by `alloc`.
+    ///
+    /// [from_raw_in]: Rc::from_raw_in
     ///
     /// # Examples
     ///
@@ -1665,11 +1674,14 @@ impl<T: ?Sized, A: Allocator> Rc<T, A> {
     ///
     /// # Safety
     ///
-    /// The pointer must have been obtained through `Rc::into_raw`, the
-    /// associated `Rc` instance must be valid (i.e. the strong count must be at
+    /// The pointer must have been obtained through `Rc::into_raw`and must satisfy the
+    /// same layout requirements specified in [`Rc::from_raw_in`][from_raw_in].
+    /// The associated `Rc` instance must be valid (i.e. the strong count must be at
     /// least 1) when invoking this method, and `ptr` must point to a block of memory
-    /// allocated by `alloc`. This method can be used to release the final `Rc` and backing storage,
-    /// but **should not** be called after the final `Rc` has been released.
+    /// allocated by `alloc`. This method can be used to release the final `Rc` and
+    /// backing storage, but **should not** be called after the final `Rc` has been released.
+    ///
+    /// [from_raw_in]: Rc::from_raw_in
     ///
     /// # Examples
     ///