Auto merge of #58644 - Centril:rollup, r=Centril

Rollup of 17 pull requests

Successful merges:

 - #57656 (Deprecate the unstable Vec::resize_default)
 - #58059 (deprecate before_exec in favor of unsafe pre_exec)
 - #58064 (override `VecDeque::try_rfold`, also update iterator)
 - #58198 (Suggest removing parentheses surrounding lifetimes)
 - #58431 (fix overlapping references in BTree)
 - #58555 (Add a note about 2018e if someone uses `try {` in 2015e)
 - #58588 (remove a bit of dead code)
 - #58589 (cleanup macro after 2018 transition)
 - #58591 (Dedup a rustdoc diagnostic construction)
 - #58600 (fix small documentation typo)
 - #58601 (Search for target_triple.json only if builtin target not found)
 - #58606 (Docs: put Future trait into spotlight)
 - #58607 (Fixes #58586: Make E0505 erronous example fail for the 2018 edition)
 - #58615 (miri: explain why we use static alignment in ref-to-place conversion)
 - #58620 (introduce benchmarks of BTreeSet.intersection)
 - #58621 (Update miri links)
 - #58632 (Make std feature list sorted)

Failed merges:

r? @ghost

1 files changed, 4 insertions, 0 deletions

diff --git a/src/liballoc/vec.rs b/src/liballoc/vec.rs
index a351d482fed..dddfa3f158e 100644
--- a/src/liballoc/vec.rs
+++ b/src/liballoc/vec.rs
@@ -1365,6 +1365,7 @@ impl<T: Default> Vec<T> {
     /// # Examples
     ///
     /// ```
+    /// # #![allow(deprecated)]
     /// #![feature(vec_resize_default)]
     ///
     /// let mut vec = vec![1, 2, 3];
@@ -1381,6 +1382,9 @@ impl<T: Default> Vec<T> {
     /// [`Default`]: ../../std/default/trait.Default.html
     /// [`Clone`]: ../../std/clone/trait.Clone.html
     #[unstable(feature = "vec_resize_default", issue = "41758")]
+    #[rustc_deprecated(reason = "This is moving towards being removed in favor \
+        of `.resize_with(Default::default)`.  If you disagree, please comment \
+        in the tracking issue.", since = "1.33.0")]
     pub fn resize_default(&mut self, new_len: usize) {
         let len = self.len();