From b74a144a5fcee833cdcc7ae6c5937f8dbe7f2e80 Mon Sep 17 00:00:00 2001
From: Camille GILLOT <gillot.camille@gmail.com>
Date: Sat, 11 Mar 2023 15:27:44 +0000
Subject: Enable by default.

---
 compiler/rustc_mir_transform/src/ref_prop.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'compiler/rustc_mir_transform/src')

diff --git a/compiler/rustc_mir_transform/src/ref_prop.rs b/compiler/rustc_mir_transform/src/ref_prop.rs
index bbd9f76ba5c..cfbc22edf53 100644
--- 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))]
-- 
cgit 1.4.1-3-g733a5