Add regression test

1 files changed, 18 insertions, 0 deletions

diff --git a/tests/ui/impl-trait/recursive-bound-eval.rs b/tests/ui/impl-trait/recursive-bound-eval.rs
new file mode 100644
index 00000000000..f992cb3071a
--- /dev/null
+++ b/tests/ui/impl-trait/recursive-bound-eval.rs
@@ -0,0 +1,18 @@
+pub trait Parser<E> {
+    fn parse(&self) -> E;
+}
+
+impl<E, T: Fn() -> E> Parser<E> for T {
+    fn parse(&self) -> E {
+        self()
+    }
+}
+
+pub fn recursive_fn<E>() -> impl Parser<E> {
+    //~^ ERROR: cycle detected
+    move || recursive_fn().parse()
+    //~^ ERROR: type annotations needed
+    //~| ERROR: no method named `parse` found for opaque type
+}
+
+fn main() {}