Auto merge of #113540 - Mark-Simulacrum:beta-backport, r=Mark-Simulacrum

[beta] promote 1.72

r? `@Mark-Simulacrum`

1 files changed, 1 insertions, 1 deletions

diff --git a/library/alloc/src/string.rs b/library/alloc/src/string.rs
index 1c6815fa941..ad7b77f5497 100644
--- a/library/alloc/src/string.rs
+++ b/library/alloc/src/string.rs
@@ -1873,7 +1873,7 @@ impl String {
     /// let static_ref: &'static mut str = x.leak();
     /// assert_eq!(static_ref, "bucket");
     /// ```
-    #[stable(feature = "string_leak", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "string_leak", since = "1.72.0")]
     #[inline]
     pub fn leak<'a>(self) -> &'a mut str {
         let slice = self.vec.leak();