{"ast_node_type":"variable","tokens":[{"end":69,"kind":"keyword","start":0,"text":"let"}]}
            let hir_id = HirId { owner: common_hir_owner, local_id };
        for (local_id, &fn_sig) in fcx_liberated_fn_sigs {
            let fn_sig = self.resolve(fn_sig, &hir_id);