Fix #91489

src/test/ui/rfc-2632-const-trait-impl/non-const-op-in-closure-in-const.rs

@@ -0,0 +1,18 @@
+// check-pass
+
+#![feature(const_trait_impl)]
+#![feature(const_fn_trait_bound)]
+
+trait Convert<T> {
+    fn to(self) -> T;
+}
+
+impl<A, B> const Convert<B> for A where B: ~const From<A> {
+    fn to(self) -> B {
+        B::from(self)
+    }
+}
+
+const FOO: fn() -> String = || "foo".to();
+
+fn main() {}