1 files changed, 13 insertions, 0 deletions
diff --git a/tests/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn-lifetimes.rs b/tests/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn-lifetimes.rs
new file mode 100644
index 000000000..65eb2952e
--- /dev/null
+++ b/tests/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn-lifetimes.rs
@@ -0,0 +1,13 @@
+#![feature(type_alias_impl_trait)]
+
+pub trait Captures<'a> {}
+
+impl<'a, T: ?Sized> Captures<'a> for T {}
+
+type Foo<'a, 'b> = impl std::fmt::Debug + Captures<'a> + Captures<'b>;
+
+fn foo<'x, 'y>(i: &'x i32, j: &'y i32) -> (Foo<'x, 'y>, Foo<'y, 'x>) {
+    (i, i) //~ ERROR concrete type differs from previous
+}
+
+fn main() {}