Auto merge of rust-lang#84501 - JohnTitor:rollup-wxu1thu, r=JohnTitor

Rollup of 10 pull requests

Successful merges:

 - rust-lang#83990 (implement `TrustedRandomAccess` for `Take` iterator adapter)
 - rust-lang#84250 (bootstrap: use bash on illumos to run install scripts)
 - rust-lang#84320 (Use details tag for trait implementors.)
 - rust-lang#84436 (Make a few functions private)
 - rust-lang#84453 (Document From implementations for Waker and RawWaker)
 - rust-lang#84458 (Remove unnecessary fields and parameters in rustdoc)
 - rust-lang#84485 (Add some associated type bounds tests)
 - rust-lang#84489 (Mention FusedIterator case in Iterator::fuse doc)
 - rust-lang#84492 (rustdoc: Remove unnecessary dummy span)
 - rust-lang#84496 (Add some specialization tests)

Failed merges:

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

Author: bors

compiler/rustc_session/src/config.rs

@@ -797,7 +797,7 @@ pub const fn default_lib_output() -> CrateType {
     CrateType::Rlib
 }
 
-pub fn default_configuration(sess: &Session) -> CrateConfig {
+fn default_configuration(sess: &Session) -> CrateConfig {
     let end = &sess.target.endian;
     let arch = &sess.target.arch;
     let wordsz = sess.target.pointer_width.to_string();
@@ -892,7 +892,7 @@ pub fn build_configuration(sess: &Session, mut user_cfg: CrateConfig) -> CrateCo
     user_cfg
 }
 
-pub fn build_target_config(opts: &Options, target_override: Option<Target>) -> Target {
+pub(super) fn build_target_config(opts: &Options, target_override: Option<Target>) -> Target {
     let target_result = target_override.map_or_else(|| Target::search(&opts.target_triple), Ok);
     let target = target_result.unwrap_or_else(|e| {
         early_error(

library/alloc/src/task.rs

@@ -87,6 +87,9 @@ pub trait Wake {
 
 #[stable(feature = "wake_trait", since = "1.51.0")]
 impl<W: Wake + Send + Sync + 'static> From<Arc<W>> for Waker {
+    /// Use a `Wake`-able type as a `Waker`.
+    ///
+    /// No heap allocations or atomic operations are used for this conversion.
     fn from(waker: Arc<W>) -> Waker {
         // SAFETY: This is safe because raw_waker safely constructs
         // a RawWaker from Arc<W>.
@@ -96,6 +99,9 @@ impl<W: Wake + Send + Sync + 'static> From<Arc<W>> for Waker {
 
 #[stable(feature = "wake_trait", since = "1.51.0")]
 impl<W: Wake + Send + Sync + 'static> From<Arc<W>> for RawWaker {
+    /// Use a `Wake`-able type as a `RawWaker`.
+    ///
+    /// No heap allocations or atomic operations are used for this conversion.
     fn from(waker: Arc<W>) -> RawWaker {
         raw_waker(waker)
     }