{"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"//"}]}
    // `f16`/`f128` backend lowerings have been added to Cranelift.
    // FIXME(bytecodealliance/wasmtime#8312): Replace with Cranelift `fcmp` once
    let a_is_nan = codegen_f16_f128::fcmp(fx, FloatCC::NotEqual, a, a);