Function dump_path

fn dump_path<'tcx>(
    tcx: TyCtxt<'tcx>,
    extension: &str,
    pass_num: bool,
    pass_name: &str,
    disambiguator: &dyn Display,
    body: &Body<'tcx>,
) -> PathBuf

Returns the path to the filename where we should dump a given MIR. Also used by other bits of code (e.g., NLL inference) that dump graphviz data or other things.