syntax_data: {"ast_node_type":"other","tokens":[{"end":62,"kind":"keyword","start":0,"text":"dump_mir_graphviz:"}]}
source_snippet:     dump_mir_graphviz: bool = (false, parse_bool, [UNTRACKED],
context_before:         "exclude the pass number when dumping MIR (used in tests) (default: no)"),
context_after:         "in addition to `.mir` files, create graphviz `.dot` files (default: no)"),