syntax_data: {"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"\"output"}]}
source_snippet:         "output remarks for these optimization passes (space separated, or \"all\")"),
context_before:     remark: Passes = (Passes::Some(Vec::new()), parse_passes, [UNTRACKED],
context_after:     rpath: bool = (false, parse_bool, [UNTRACKED],