2 files changed, 10 insertions, 0 deletions
diff --git a/library/alloc/src/lib.rs b/library/alloc/src/lib.rs
index a002421aeef..18f25aec5fe 100644
--- a/library/alloc/src/lib.rs
+++ b/library/alloc/src/lib.rs
@@ -101,6 +101,7 @@
 #![feature(array_into_iter_constructors)]
 #![feature(array_methods)]
 #![feature(array_windows)]
+#![feature(ascii_char)]
 #![feature(assert_matches)]
 #![feature(async_iterator)]
 #![feature(coerce_unsized)]
diff --git a/library/alloc/src/string.rs b/library/alloc/src/string.rs
index cf16a3424a0..b9ef76c109a 100644
--- a/library/alloc/src/string.rs
+++ b/library/alloc/src/string.rs
@@ -2527,6 +2527,15 @@ impl<T: fmt::Display + ?Sized> ToString for T {
 }
 
 #[cfg(not(no_global_oom_handling))]
+#[unstable(feature = "ascii_char", issue = "110998")]
+impl ToString for core::ascii::Char {
+    #[inline]
+    fn to_string(&self) -> String {
+        self.as_str().to_owned()
+    }
+}
+
+#[cfg(not(no_global_oom_handling))]
 #[stable(feature = "char_to_string_specialization", since = "1.46.0")]
 impl ToString for char {
     #[inline]