Regression test for rust-lang#58435.

Author: pnkfelix

src/test/run-pass/issues/issue-58435-ice-with-assoc-const.rs

@@ -0,0 +1,17 @@
+// The const-evaluator was at one point ICE'ing while trying to
+// evaluate the body of `fn id` during the `s.id()` call in main.
+
+struct S<T>(T);
+
+impl<T> S<T> {
+    const ID: fn(&S<T>) -> &S<T> = |s| s;
+    pub fn id(&self) -> &Self {
+        Self::ID(self) // This, plus call below ...
+    }
+}
+
+fn main() {
+    let s = S(10u32);
+    assert!(S::<u32>::ID(&s).0 == 10); // Works fine
+    assert!(s.id().0 == 10); // ... causes compiler to panic
+}