{"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"fx.bcx.append_block_params_for_function_params(fx.block_map[START_BLOCK]);"}]}
        fx.bcx.append_block_params_for_function_params(fx.block_map[START_BLOCK]);
    if arg_uninhabited {
        fx.bcx.switch_to_block(fx.block_map[START_BLOCK]);