pub struct RemoveZsts;
impl<'tcx> MirPass<'tcx> for RemoveZsts {
+ fn is_enabled(&self, sess: &rustc_session::Session) -> bool {
+ sess.mir_opt_level() > 0
+ }
+
fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {
// Avoid query cycles (generators require optimized MIR for layout).
if tcx.type_of(body.source.def_id()).is_generator() {