Add test.

Author: cjgillot

tests/ui/lifetimes/elided-lifetime-in-const-param-type.rs

@@ -0,0 +1,12 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/143413>
+//! The anonymous lifetime in `c(&())` is desugared by the resolver as an extra lifetime parameter
+//! at the end of the `for` binder. Verify that lowering creates the definition for that extra
+//! lifetime parameter before lowering `c(&())`.
+
+trait D {}
+
+type A = dyn for<const B: c(&())> D;
+//~^ ERROR cannot find type `c` in this scope
+//~| ERROR only lifetime parameters can be used in this context
+
+fn main() {}