"emit noalias metadata for mutable references"),
dump_mir: Option<String> = (None, parse_opt_string, [UNTRACKED],
"dump MIR state at various points in translation"),
- dump_mir_dir: Option<String> = (None, parse_opt_string, [UNTRACKED],
+ dump_mir_dir: Option<String> = (Some(String::from("mir_dump")), parse_opt_string, [UNTRACKED],
"the directory the MIR is dumped into"),
dump_mir_graphviz: bool = (false, parse_bool, [UNTRACKED],
"in addition to `.mir` files, create graphviz `.dot` files"),