diff --git a/tests/ui/associated-type-bounds/issue-104916.rs b/tests/ui/associated-type-bounds/issue-104916.rs
new file mode 100644
index 00000000000..3361fa011ed
--- /dev/null
+++ b/tests/ui/associated-type-bounds/issue-104916.rs
@@ -0,0 +1,14 @@
+#![feature(associated_type_bounds)]
+
+trait B {
+    type AssocType;
+}
+
+fn f()
+where
+    dyn for<'j> B<AssocType: 'j>:,
+    //~^ ERROR: associated type bounds are only allowed in where clauses and function signatures
+{
+}
+
+fn main() {}
diff --git a/tests/ui/associated-type-bounds/issue-104916.stderr b/tests/ui/associated-type-bounds/issue-104916.stderr
new file mode 100644
index 00000000000..35435962ffe
--- /dev/null
+++ b/tests/ui/associated-type-bounds/issue-104916.stderr
@@ -0,0 +1,8 @@
+error: associated type bounds are only allowed in where clauses and function signatures, not in bounds
+  --> $DIR/issue-104916.rs:9:19
+   |
+LL |     dyn for<'j> B<AssocType: 'j>:,
+   |                   ^^^^^^^^^^^^^
+
+error: aborting due to previous error
+