1 files changed, 8 insertions, 0 deletions
diff --git a/compiler/rustc_mir_transform/src/simplify.rs b/compiler/rustc_mir_transform/src/simplify.rs
index 4f312ed2aaa..67070f03ded 100644
--- a/compiler/rustc_mir_transform/src/simplify.rs
+++ b/compiler/rustc_mir_transform/src/simplify.rs
@@ -83,6 +83,10 @@ impl<'tcx> crate::MirPass<'tcx> for SimplifyCfg {
         debug!("SimplifyCfg({:?}) - simplifying {:?}", self.name(), body.source);
         simplify_cfg(body);
     }
+
+    fn is_required(&self) -> bool {
+        false
+    }
 }
 
 struct CfgSimplifier<'a, 'tcx> {
@@ -405,6 +409,10 @@ impl<'tcx> crate::MirPass<'tcx> for SimplifyLocals {
             body.local_decls.shrink_to_fit();
         }
     }
+
+    fn is_required(&self) -> bool {
+        false
+    }
 }
 
 pub(super) fn remove_unused_definitions<'tcx>(body: &mut Body<'tcx>) {