Rollup merge of rust-lang#135488 - GrigorenkoPV:vec_pop_if, r=jhpratt

Stabilize `vec_pop_if`

Tracking issue: rust-lang#122741

FCP completed in rust-lang#122741 (comment)

Author: matthiaskrgr

Diff for: alloc/src/lib.rs

@@ -156,7 +156,6 @@
 #![feature(unicode_internals)]
 #![feature(unsize)]
 #![feature(unwrap_infallible)]
-#![feature(vec_pop_if)]
 // tidy-alphabetical-end
 //
 // Language features:

Diff for: alloc/src/vec/mod.rs

@@ -2519,16 +2519,14 @@ impl<T, A: Allocator> Vec<T, A> {
     /// # Examples
     ///
     /// ```
-    /// #![feature(vec_pop_if)]
-    ///
     /// let mut vec = vec![1, 2, 3, 4];
     /// let pred = |x: &mut i32| *x % 2 == 0;
     ///
     /// assert_eq!(vec.pop_if(pred), Some(4));
     /// assert_eq!(vec, [1, 2, 3]);
     /// assert_eq!(vec.pop_if(pred), None);
     /// ```
-    #[unstable(feature = "vec_pop_if", issue = "122741")]
+    #[stable(feature = "vec_pop_if", since = "CURRENT_RUSTC_VERSION")]
     pub fn pop_if(&mut self, predicate: impl FnOnce(&mut T) -> bool) -> Option<T> {
         let last = self.last_mut()?;
         if predicate(last) { self.pop() } else { None }

Diff for: alloc/tests/lib.rs

@@ -37,7 +37,6 @@
 #![feature(local_waker)]
 #![feature(str_as_str)]
 #![feature(strict_provenance_lints)]
-#![feature(vec_pop_if)]
 #![feature(vec_deque_pop_if)]
 #![feature(unique_rc_arc)]
 #![feature(macro_metavar_expr_concat)]