Auto merge of #55347 - pietroalbini:rollup, r=pietroalbini

Rollup of 22 pull requests

Successful merges:

 - #53507 (Add doc for impl From for Waker)
 - #53931 (Gradually expanding libstd's keyword documentation)
 - #54965 (update tcp stream documentation)
 - #54977 (Accept `Option<Box<$t:ty>>` in macro argument)
 - #55138 (in which unused-parens suggestions heed what the user actually wrote)
 - #55173 (Suggest appropriate syntax on missing lifetime specifier in return type)
 - #55200 (Documents `From` implementations for `Stdio`)
 - #55245 (submodules: update clippy from 5afdf8b7 to b1d03437)
 - #55247 (Clarified code example in char primitive doc)
 - #55251 (Fix a typo in the documentation of RangeInclusive)
 - #55253 (only issue "variant of the expected type" suggestion for enums)
 - #55254 (Correct trailing ellipsis in name_from_pat)
 - #55269 (fix typos in various places)
 - #55282 (Remove redundant clone)
 - #55285 (Do some copy editing on the release notes)
 - #55291 (Update stdsimd submodule)
 - #55296 (Set RUST_BACKTRACE=0 for rustdoc-ui/failed-doctest-output.rs)
 - #55306 (Regression test for #54478.)
 - #55328 (Fix doc for new copysign functions)
 - #55340 (Operands no longer appear in places)
 - #55345 (Remove is_null)
 - #55348 (Update RELEASES.md after destabilization of non_modrs_mods)

Failed merges:

r? @ghost

2 files changed, 3 insertions, 3 deletions

diff --git a/src/libstd/sync/mod.rs b/src/libstd/sync/mod.rs
index d69ebc17622..a7db372a0e2 100644
--- a/src/libstd/sync/mod.rs
+++ b/src/libstd/sync/mod.rs
@@ -97,7 +97,7 @@
 //! - A **multiprocessor** system executing multiple hardware threads
 //!   at the same time: In multi-threaded scenarios, you can use two
 //!   kinds of primitives to deal with synchronization:
-//!   - [memory fences] to ensure memory accesses are made visibile to
+//!   - [memory fences] to ensure memory accesses are made visible to
 //!   other CPUs in the right order.
 //!   - [atomic operations] to ensure simultaneous access to the same
 //!   memory location doesn't lead to undefined behavior.
diff --git a/src/libstd/sync/once.rs b/src/libstd/sync/once.rs
index 98845e457b2..cf9698cb2a9 100644
--- a/src/libstd/sync/once.rs
+++ b/src/libstd/sync/once.rs
@@ -290,8 +290,8 @@ impl Once {
     }
 
     /// Returns true if some `call_once` call has completed
-    /// successfuly. Specifically, `is_completed` will return false in
-    /// the following situtations:
+    /// successfully. Specifically, `is_completed` will return false in
+    /// the following situations:
     ///   * `call_once` was not called at all,
     ///   * `call_once` was called, but has not yet completed,
     ///   * the `Once` instance is poisoned