1 files changed, 55 insertions, 0 deletions

diff --git a/tests/ui/impl-trait/issues/issue-86800.rs b/tests/ui/impl-trait/issues/issue-86800.rs
new file mode 100644
index 000000000..351243c67
--- /dev/null
+++ b/tests/ui/impl-trait/issues/issue-86800.rs
@@ -0,0 +1,55 @@
+#![feature(type_alias_impl_trait)]
+
+// edition:2021
+// unset-rustc-env:RUST_BACKTRACE
+// compile-flags:-Z treat-err-as-bug=1
+// error-pattern:stack backtrace:
+// failure-status:101
+// normalize-stderr-test "note: .*" -> ""
+// normalize-stderr-test "thread 'rustc' .*" -> ""
+// normalize-stderr-test " +[0-9]+:.*\n" -> ""
+// normalize-stderr-test " +at .*\n" -> ""
+
+use std::future::Future;
+
+struct Connection {
+}
+
+trait Transaction {
+}
+
+struct TestTransaction<'conn> {
+    conn: &'conn Connection
+}
+
+impl<'conn> Transaction for TestTransaction<'conn> {
+}
+
+struct Context {
+}
+
+type TransactionResult<O> = Result<O, ()>;
+
+type TransactionFuture<'__, O> = impl '__ + Future<Output = TransactionResult<O>>;
+
+fn execute_transaction_fut<'f, F, O>(
+    f: F,
+) -> impl FnOnce(&mut dyn Transaction) -> TransactionFuture<'_, O>
+where
+    F: FnOnce(&mut dyn Transaction) -> TransactionFuture<'_, O> + 'f
+{
+    f
+}
+
+impl Context {
+    async fn do_transaction<O>(
+        &self, f: impl FnOnce(&mut dyn Transaction) -> TransactionFuture<'_, O>
+    ) -> TransactionResult<O>
+    {
+        let mut conn = Connection {};
+        let mut transaction = TestTransaction { conn: &mut conn };
+        f(&mut transaction).await
+    }
+}
+
+fn main() {}