Add new lint for automatic_links improvements

compiler/rustc_lint/src/lib.rs

@@ -67,7 +67,7 @@ use rustc_hir::def_id::LocalDefId;
 use rustc_middle::ty::query::Providers;
 use rustc_middle::ty::TyCtxt;
 use rustc_session::lint::builtin::{
-    BARE_TRAIT_OBJECTS, BROKEN_INTRA_DOC_LINKS, ELIDED_LIFETIMES_IN_PATHS,
+    AUTOMATIC_LINKS, BARE_TRAIT_OBJECTS, BROKEN_INTRA_DOC_LINKS, ELIDED_LIFETIMES_IN_PATHS,
     EXPLICIT_OUTLIVES_REQUIREMENTS, INVALID_CODEBLOCK_ATTRIBUTES, INVALID_HTML_TAGS,
     MISSING_DOC_CODE_EXAMPLES, PRIVATE_DOC_TESTS,
 };
@@ -313,6 +313,7 @@ fn register_builtins(store: &mut LintStore, no_interleave_lints: bool) {
 
     add_lint_group!(
         "rustdoc",
+        AUTOMATIC_LINKS,
         BROKEN_INTRA_DOC_LINKS,
         PRIVATE_INTRA_DOC_LINKS,
         INVALID_CODEBLOCK_ATTRIBUTES,