Fix invalid_ref deprecation

Author: phansch

CHANGELOG.md

@@ -982,6 +982,7 @@ Released 2018-09-13
 [`integer_division`]: https://rust-lang.github.io/rust-clippy/master/index.html#integer_division
 [`into_iter_on_array`]: https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_array
 [`into_iter_on_ref`]: https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
+[`invalid_ref`]: https://rust-lang.github.io/rust-clippy/master/index.html#invalid_ref
 [`invalid_regex`]: https://rust-lang.github.io/rust-clippy/master/index.html#invalid_regex
 [`invalid_upcast_comparisons`]: https://rust-lang.github.io/rust-clippy/master/index.html#invalid_upcast_comparisons
 [`items_after_statements`]: https://rust-lang.github.io/rust-clippy/master/index.html#items_after_statements

clippy_lints/src/deprecated_lints.rs

@@ -118,7 +118,7 @@ declare_deprecated_lint! {
 ///
 /// **Deprecation reason:** This lint has been superseded by the warn-by-default
 /// `invalid_value` rustc lint.
-declare_clippy_lint! {
+declare_deprecated_lint! {
     pub INVALID_REF,
     "superseded by rustc lint `invalid_value`"
 }

clippy_lints/src/lib.rs

@@ -431,6 +431,10 @@ pub fn register_plugins(reg: &mut rustc_plugin::Registry<'_>, conf: &Conf) {
         "clippy::unsafe_vector_initialization",
         "the replacement suggested by this lint had substantially different behavior",
     );
+    store.register_removed(
+        "clippy::invalid_ref",
+        "superseded by rustc lint `invalid_value`",
+    );
     // end deprecated lints, do not remove this comment, it’s used in `update_lints`
 
     reg.register_late_lint_pass(box serde_api::SerdeAPI);