syntax_data: {"ast_node_type":"other","tokens":[{"end":32,"kind":"keyword","start":0,"text":"\"dump"}]}
source_snippet:         "dump MIR state to file.
context_before:     dump_mir: Option<String> = (None, parse_opt_string, [UNTRACKED],
context_after:         `val` is used to select which passes and functions to dump. For example: