1 files changed, 14 insertions, 0 deletions
diff --git a/tests/ui/impl-trait/issue-86465.rs b/tests/ui/impl-trait/issue-86465.rs
new file mode 100644
index 000000000..8c7b41d73
--- /dev/null
+++ b/tests/ui/impl-trait/issue-86465.rs
@@ -0,0 +1,14 @@
+#![feature(type_alias_impl_trait)]
+
+pub trait Captures<'a> {}
+
+impl<'a, T: ?Sized> Captures<'a> for T {}
+
+type X<'a, 'b> = impl std::fmt::Debug + Captures<'a> + Captures<'b>;
+
+fn f<'t, 'u>(a: &'t u32, b: &'u u32) -> (X<'t, 'u>, X<'u, 't>) {
+    (a, a)
+    //~^ ERROR concrete type differs from previous defining opaque type use
+}
+
+fn main() {}