Fix unreachable_pub

Author: flodiebold

crates/hir_ty/src/infer.rs

@@ -43,6 +43,7 @@ use crate::{
 // This lint has a false positive here. See the link below for details.
 //
 // https://github.com/rust-lang/rust/issues/57411
+#[allow(unreachable_pub)]
 pub use coerce::could_coerce;
 #[allow(unreachable_pub)]
 pub use unify::could_unify;