1 files changed, 9 insertions, 0 deletions
diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs
index 04a339f3c95..e1c88f74ab3 100644
--- a/compiler/rustc_lint_defs/src/builtin.rs
+++ b/compiler/rustc_lint_defs/src/builtin.rs
@@ -3128,6 +3128,7 @@ declare_lint_pass! {
         SUSPICIOUS_AUTO_TRAIT_IMPLS,
         UNEXPECTED_CFGS,
         DEPRECATED_WHERE_CLAUSE_LOCATION,
+        TEST_UNSTABLE_LINT,
     ]
 }
 
@@ -3771,3 +3772,11 @@ declare_lint! {
     Warn,
     "deprecated where clause location"
 }
+
+declare_lint! {
+    #[doc(hidden)]
+    pub TEST_UNSTABLE_LINT,
+    Deny,
+    "this unstable lint is only for testing",
+    @feature_gate = sym::test_unstable_lint;
+}