syntax_data: {"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"\"Generate"}]}
source_snippet:         "Generate sync unwind tables instead of async unwind tables (default: no)"),
context_before:     use_sync_unwind: Option<bool> = (None, parse_opt_bool, [TRACKED],
context_after:     validate_mir: bool = (false, parse_bool, [UNTRACKED],