Add a regression test for #89935

rust-lang · Oct 18, 2021 · 101a81b · 101a81b
1 parent e2453dc
commit 101a81b
Showing 1 changed file with 18 additions and 0 deletions.
diff --git a/src/test/ui/typeck/issue-89935.rs b/src/test/ui/typeck/issue-89935.rs
@@ -0,0 +1,18 @@
+// check-pass
+
+trait Foo: Baz {}
+trait Bar {}
+trait Baz: Bar {
+    fn bar(&self);
+}
+
+impl<T: Foo> Bar for T {}
+impl<T: Foo> Baz for T {
+    fn bar(&self) {}
+}
+
+fn accept_foo(x: Box<dyn Foo>) {
+    x.bar();
+}
+
+fn main() {}