1 files changed, 12 insertions, 0 deletions
diff --git a/tests/ui/type-alias-impl-trait/generic_lifetime_param.rs b/tests/ui/type-alias-impl-trait/generic_lifetime_param.rs
new file mode 100644
index 000000000..106efefba
--- /dev/null
+++ b/tests/ui/type-alias-impl-trait/generic_lifetime_param.rs
@@ -0,0 +1,12 @@
+// check-pass
+
+#![feature(type_alias_impl_trait)]
+
+fn main() {}
+
+type Region<'a> = impl std::fmt::Debug + 'a;
+
+
+fn region<'b>(a: &'b ()) -> Region<'b> {
+    a
+}