Disable non-required MIR opts with optimize(none)

Co-authored-by: Waffle Lapkin <waffle.lapkin@gmail.com>

compiler/rustc_mir_transform/src/prettify.rs

@@ -35,6 +35,10 @@ impl<'tcx> crate::MirPass<'tcx> for ReorderBasicBlocks {
 
         permute(body.basic_blocks.as_mut(), &updater.map);
     }
+
+    fn is_required(&self) -> bool {
+        false
+    }
 }
 
 /// Rearranges the locals into *use* order.
@@ -85,6 +89,10 @@ impl<'tcx> crate::MirPass<'tcx> for ReorderLocals {
 
         permute(&mut body.local_decls, &updater.map);
     }
+
+    fn is_required(&self) -> bool {
+        false
+    }
 }
 
 fn permute<I: rustc_index::Idx + Ord, T>(data: &mut IndexVec<I, T>, map: &IndexSlice<I, I>) {