Revert inference failure from AsRef constification
diff --git a/library/alloc/src/borrow.rs b/library/alloc/src/borrow.rs
index cb32896..4659fb2 100644
--- a/library/alloc/src/borrow.rs
+++ b/library/alloc/src/borrow.rs
@@ -441,11 +441,13 @@ fn hash<H: Hasher>(&self, state: &mut H) {
}
}
+// FIXME(inference): const bounds removed due to inference regressions found by crater;
+// see https://github.com/rust-lang/rust/issues/147964
+// #[rustc_const_unstable(feature = "const_convert", issue = "143773")]
#[stable(feature = "rust1", since = "1.0.0")]
-#[rustc_const_unstable(feature = "const_convert", issue = "143773")]
-impl<T: ?Sized + ToOwned> const AsRef<T> for Cow<'_, T>
-where
- T::Owned: [const] Borrow<T>,
+impl<T: ?Sized + ToOwned> AsRef<T> for Cow<'_, T>
+// where
+// T::Owned: [const] Borrow<T>,
{
fn as_ref(&self) -> &T {
self
