Auto merge of #68142 - Centril:rollup-dl232e9, r=Centril

Rollup of 6 pull requests

Successful merges:

 - #67494 (Constify more of alloc::Layout)
 - #67867 (Correctly check for opaque types in `assoc_ty_def`)
 - #67948 (Galloping search for binary_search_util)
 - #68045 (Move more of `rustc::lint` into `rustc_lint`)
 - #68089 (Unstabilize `Vec::remove_item`)
 - #68108 (Add suggestions when encountering chained comparisons)

Failed merges:

r? @ghost

2 files changed, 3 insertions, 1 deletions

diff --git a/src/liballoc/tests/lib.rs b/src/liballoc/tests/lib.rs
index 3fdee8bbfdf..c1ae67a1a33 100644
--- a/src/liballoc/tests/lib.rs
+++ b/src/liballoc/tests/lib.rs
@@ -11,6 +11,7 @@
 #![feature(associated_type_bounds)]
 #![feature(binary_heap_into_iter_sorted)]
 #![feature(binary_heap_drain_sorted)]
+#![feature(vec_remove_item)]
 
 use std::collections::hash_map::DefaultHasher;
 use std::hash::{Hash, Hasher};
diff --git a/src/liballoc/vec.rs b/src/liballoc/vec.rs
index f5f8d88829f..e9cbf627846 100644
--- a/src/liballoc/vec.rs
+++ b/src/liballoc/vec.rs
@@ -1696,13 +1696,14 @@ impl<T> Vec<T> {
     /// # Examples
     ///
     /// ```
+    /// # #![feature(vec_remove_item)]
     /// let mut vec = vec![1, 2, 3, 1];
     ///
     /// vec.remove_item(&1);
     ///
     /// assert_eq!(vec, vec![2, 3, 1]);
     /// ```
-    #[stable(feature = "vec_remove_item", since = "1.42.0")]
+    #[unstable(feature = "vec_remove_item", reason = "recently added", issue = "40062")]
     pub fn remove_item<V>(&mut self, item: &V) -> Option<T>
     where
         T: PartialEq<V>,