{"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"//"}]}
        // operate on values and not places, so a never coercion is valid.
        // NOTE: we set `coerce_never` to `true` here because coercion LUBs only
        let mut coerce = Coerce::new(self, cause.clone(), AllowTwoPhase::No, true);