{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"ExportedSymbol::Generic(def_id,"}]}
        ExportedSymbol::Generic(def_id, args) => Some(Instance::new_raw(def_id, args)),
        ExportedSymbol::NonGeneric(def_id) => Some(Instance::mono(tcx, def_id)),
        // DropGlue always use the Rust calling convention and thus follow the target's default