1 files changed, 16 insertions, 0 deletions
diff --git a/src/test/ui/nll/issue-97997.rs b/src/test/ui/nll/issue-97997.rs
new file mode 100644
index 000000000..c64e720b1
--- /dev/null
+++ b/src/test/ui/nll/issue-97997.rs
@@ -0,0 +1,16 @@
+trait Foo {
+    const ASSOC: bool = true;
+}
+impl<T> Foo for fn(T) {}
+
+fn foo(_x: i32) {}
+
+fn impls_foo<T: Foo>(_x: T) {}
+
+fn main() {
+    impls_foo(foo as fn(i32));
+
+    <fn(&u8) as Foo>::ASSOC;
+    //~^ ERROR implementation of `Foo` is not general enough
+    //~| ERROR implementation of `Foo` is not general enough
+}