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-rw-r--r--compiler/rustc_mir_transform/src/sroa.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_mir_transform/src/sroa.rs b/compiler/rustc_mir_transform/src/sroa.rs
index 881a1547c52..94e1da8e145 100644
--- a/compiler/rustc_mir_transform/src/sroa.rs
+++ b/compiler/rustc_mir_transform/src/sroa.rs
@@ -12,7 +12,7 @@ pub struct ScalarReplacementOfAggregates;
 
 impl<'tcx> MirPass<'tcx> for ScalarReplacementOfAggregates {
     fn is_enabled(&self, sess: &rustc_session::Session) -> bool {
-        sess.mir_opt_level() >= 2
+        sess.mir_opt_level() >= 3
     }
 
     #[instrument(level = "debug", skip(self, tcx, body))]