{"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":"if"}]}
    if codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::RUSTC_STD_INTERNAL_SYMBOL)
    // error when using no_mangle on a lang item item
        && codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::NO_MANGLE)