Auto merge of #61649 - Centril:rollup-b4nx9k9, r=Centril

Rollup of 7 pull requests

Successful merges:

 - #61223 (Document tuple's Ord behavior as sequential)
 - #61615 (syntax: Treat error literals in more principled way)
 - #61616 (parser: Remove `Deref` impl from `Parser`)
 - #61621 (Clarify when we run steps with ONLY_HOSTS)
 - #61627 (Add regression test for #61452.)
 - #61641 (Revert "Make LocalAnalizer visitor iterate instead of recurse")
 - #61647 (Use stable wrappers in f32/f64::signum)

Failed merges:

r? @ghost

3 files changed, 6 insertions, 2 deletions

diff --git a/src/libstd/f32.rs b/src/libstd/f32.rs
index 133540ed6b9..7254c621611 100644
--- a/src/libstd/f32.rs
+++ b/src/libstd/f32.rs
@@ -188,7 +188,7 @@ impl f32 {
         if self.is_nan() {
             NAN
         } else {
-            unsafe { intrinsics::copysignf32(1.0, self) }
+            1.0_f32.copysign(self)
         }
     }
 
diff --git a/src/libstd/f64.rs b/src/libstd/f64.rs
index 87467aeed8b..f8bb36ad0a8 100644
--- a/src/libstd/f64.rs
+++ b/src/libstd/f64.rs
@@ -166,7 +166,7 @@ impl f64 {
         if self.is_nan() {
             NAN
         } else {
-            unsafe { intrinsics::copysignf64(1.0, self) }
+            1.0_f64.copysign(self)
         }
     }
 
diff --git a/src/libstd/primitive_docs.rs b/src/libstd/primitive_docs.rs
index 24f728158c4..42b64d2b5a5 100644
--- a/src/libstd/primitive_docs.rs
+++ b/src/libstd/primitive_docs.rs
@@ -683,6 +683,10 @@ mod prim_str { }
 /// assert_eq!(tuple.2, 'c');
 /// ```
 ///
+/// The sequential nature of the tuple applies to its implementations of various
+/// traits.  For example, in `PartialOrd` and `Ord`, the elements are compared
+/// sequentially until the first non-equal set is found.
+///
 /// For more about tuples, see [the book](../book/ch03-02-data-types.html#the-tuple-type).
 ///
 /// # Trait implementations