6 files changed, 80 insertions, 4 deletions
diff --git a/tests/ui/imports/issue-99695-b.fixed b/tests/ui/imports/issue-99695-b.fixed
index 0e60c73b67a..0f688fa2823 100644
--- a/tests/ui/imports/issue-99695-b.fixed
+++ b/tests/ui/imports/issue-99695-b.fixed
@@ -1,5 +1,5 @@
 // run-rustfix
-#![allow(unused, nonstandard_style)]
+#![allow(unused, nonstandard_style, useless_anonymous_reexport)]
 mod m {
 
     mod p {
diff --git a/tests/ui/imports/issue-99695-b.rs b/tests/ui/imports/issue-99695-b.rs
index 031443a1f5d..b433997e53f 100644
--- a/tests/ui/imports/issue-99695-b.rs
+++ b/tests/ui/imports/issue-99695-b.rs
@@ -1,5 +1,5 @@
 // run-rustfix
-#![allow(unused, nonstandard_style)]
+#![allow(unused, nonstandard_style, useless_anonymous_reexport)]
 mod m {
 
     mod p {
diff --git a/tests/ui/imports/issue-99695.fixed b/tests/ui/imports/issue-99695.fixed
index 6bf228b23aa..17ff409324e 100644
--- a/tests/ui/imports/issue-99695.fixed
+++ b/tests/ui/imports/issue-99695.fixed
@@ -1,5 +1,5 @@
 // run-rustfix
-#![allow(unused, nonstandard_style)]
+#![allow(unused, nonstandard_style, useless_anonymous_reexport)]
 mod m {
     #[macro_export]
     macro_rules! nu {
diff --git a/tests/ui/imports/issue-99695.rs b/tests/ui/imports/issue-99695.rs
index f7199f1497a..b8979bcb734 100644
--- a/tests/ui/imports/issue-99695.rs
+++ b/tests/ui/imports/issue-99695.rs
@@ -1,5 +1,5 @@
 // run-rustfix
-#![allow(unused, nonstandard_style)]
+#![allow(unused, nonstandard_style, useless_anonymous_reexport)]
 mod m {
     #[macro_export]
     macro_rules! nu {
diff --git a/tests/ui/lint/anonymous-reexport.rs b/tests/ui/lint/anonymous-reexport.rs
new file mode 100644
index 00000000000..5d56ae6f969
--- /dev/null
+++ b/tests/ui/lint/anonymous-reexport.rs
@@ -0,0 +1,21 @@
+#![deny(useless_anonymous_reexport)]
+#![crate_type = "rlib"]
+
+mod my_mod {
+    pub trait Foo {}
+    pub type TyFoo = dyn Foo;
+    pub struct Bar;
+    pub type TyBar = Bar;
+}
+
+pub use self::my_mod::Foo as _;
+pub use self::my_mod::TyFoo as _;
+pub use self::my_mod::Bar as _; //~ ERROR
+pub use self::my_mod::TyBar as _; //~ ERROR
+pub use self::my_mod::{Bar as _}; //~ ERROR
+pub use self::my_mod::{Bar as _, Foo as _}; //~ ERROR
+pub use self::my_mod::{Bar as _, TyBar as _};
+//~^ ERROR
+//~| ERROR
+#[allow(unused_imports)]
+use self::my_mod::TyBar as _;
diff --git a/tests/ui/lint/anonymous-reexport.stderr b/tests/ui/lint/anonymous-reexport.stderr
new file mode 100644
index 00000000000..f4f8b41c417
--- /dev/null
+++ b/tests/ui/lint/anonymous-reexport.stderr
@@ -0,0 +1,55 @@
+error: useless anonymous re-export
+  --> $DIR/anonymous-reexport.rs:13:1
+   |
+LL | pub use self::my_mod::Bar as _;
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: only anonymous re-exports of traits are useful, this is a `struct`
+note: the lint level is defined here
+  --> $DIR/anonymous-reexport.rs:1:9
+   |
+LL | #![deny(useless_anonymous_reexport)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: useless anonymous re-export
+  --> $DIR/anonymous-reexport.rs:14:1
+   |
+LL | pub use self::my_mod::TyBar as _;
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: only anonymous re-exports of traits are useful, this is a `type alias`
+
+error: useless anonymous re-export
+  --> $DIR/anonymous-reexport.rs:15:24
+   |
+LL | pub use self::my_mod::{Bar as _};
+   |                        ^^^^^^^^
+   |
+   = note: only anonymous re-exports of traits are useful, this is a `struct`
+
+error: useless anonymous re-export
+  --> $DIR/anonymous-reexport.rs:16:24
+   |
+LL | pub use self::my_mod::{Bar as _, Foo as _};
+   |                        ^^^^^^^^
+   |
+   = note: only anonymous re-exports of traits are useful, this is a `struct`
+
+error: useless anonymous re-export
+  --> $DIR/anonymous-reexport.rs:17:24
+   |
+LL | pub use self::my_mod::{Bar as _, TyBar as _};
+   |                        ^^^^^^^^
+   |
+   = note: only anonymous re-exports of traits are useful, this is a `struct`
+
+error: useless anonymous re-export
+  --> $DIR/anonymous-reexport.rs:17:34
+   |
+LL | pub use self::my_mod::{Bar as _, TyBar as _};
+   |                                  ^^^^^^^^^^
+   |
+   = note: only anonymous re-exports of traits are useful, this is a `type alias`
+
+error: aborting due to 6 previous errors
+