Enable by default.

2023-03-11 15:27:44 +00:00
parent 341e0f78d1
commit b74a144a5f
22 changed files with 576 additions and 763 deletions
--- a/compiler/rustc_mir_transform/src/ref_prop.rs
+++ b/compiler/rustc_mir_transform/src/ref_prop.rs
@@ -71,7 +71,7 @@ pub struct ReferencePropagation;

 impl<'tcx> MirPass<'tcx> for ReferencePropagation {
    fn is_enabled(&self, sess: &rustc_session::Session) -> bool {
-        sess.mir_opt_level() >= 4
+        sess.mir_opt_level() >= 2
    }

    #[instrument(level = "trace", skip(self, tcx, body))]