1 files changed, 14 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-43431.rs b/tests/ui/issues/issue-43431.rs
new file mode 100644
index 000000000..e7ec35105
--- /dev/null
+++ b/tests/ui/issues/issue-43431.rs
@@ -0,0 +1,14 @@
+#![feature(fn_traits)]
+
+trait CallSingle<A, B> {
+    fn call(&self, a: A) -> B where Self: Sized, Self: Fn(A) -> B;
+}
+
+impl<A, B, F: Fn(A) -> B> CallSingle<A, B> for F {
+    fn call(&self, a: A) -> B {
+        <Self as Fn(A) -> B>::call(self, (a,))
+        //~^ ERROR associated type bindings are not allowed here
+    }
+}
+
+fn main() {}