{"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"///"}]}
    /// Allows checking whether or not the backend correctly supports unstable float types.
    (internal, cfg_emscripten_wasm_eh, "1.86.0", None),
    (internal, cfg_target_has_reliable_f16_f128, "1.88.0", None),