Rollup merge of rust-lang#99332 - jyn514:stabilize-label-break-value,…

… r=petrochenkov

Stabilize `#![feature(label_break_value)]`

See the stabilization report in rust-lang#48594 (comment).

tests/ui/semicolon_if_nothing_returned.rs

@@ -1,6 +1,5 @@
 #![warn(clippy::semicolon_if_nothing_returned)]
 #![allow(clippy::redundant_closure)]
-#![feature(label_break_value)]
 #![feature(let_else)]
 
 fn get_unit() {}

tests/ui/semicolon_if_nothing_returned.stderr

@@ -1,31 +1,31 @@
 error: consider adding a `;` to the last statement for consistent formatting
-  --> $DIR/semicolon_if_nothing_returned.rs:10:5
+  --> $DIR/semicolon_if_nothing_returned.rs:9:5
    |
 LL |     println!("Hello")
    |     ^^^^^^^^^^^^^^^^^ help: add a `;` here: `println!("Hello");`
    |
    = note: `-D clippy::semicolon-if-nothing-returned` implied by `-D warnings`
 
 error: consider adding a `;` to the last statement for consistent formatting
-  --> $DIR/semicolon_if_nothing_returned.rs:14:5
+  --> $DIR/semicolon_if_nothing_returned.rs:13:5
    |
 LL |     get_unit()
    |     ^^^^^^^^^^ help: add a `;` here: `get_unit();`
 
 error: consider adding a `;` to the last statement for consistent formatting
-  --> $DIR/semicolon_if_nothing_returned.rs:19:5
+  --> $DIR/semicolon_if_nothing_returned.rs:18:5
    |
 LL |     y = x + 1
    |     ^^^^^^^^^ help: add a `;` here: `y = x + 1;`
 
 error: consider adding a `;` to the last statement for consistent formatting
-  --> $DIR/semicolon_if_nothing_returned.rs:25:9
+  --> $DIR/semicolon_if_nothing_returned.rs:24:9
    |
 LL |         hello()
    |         ^^^^^^^ help: add a `;` here: `hello();`
 
 error: consider adding a `;` to the last statement for consistent formatting
-  --> $DIR/semicolon_if_nothing_returned.rs:36:9
+  --> $DIR/semicolon_if_nothing_returned.rs:35:9
    |
 LL |         ptr::drop_in_place(s.as_mut_ptr())
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: add a `;` here: `ptr::drop_in_place(s.as_mut_ptr());`