{"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"//"}]}
                    // currently **NOT** allowed for (non-coercion) ptr-to-ptr casts (e.g
                    // (e.g. `*const (dyn Trait + Auto)` to `*const dyn Auto`), dropping it is
                    // `*const Foo` to `*const Bar` where `Foo` has a `dyn Trait + Auto` tail