From 09134982e53830a4268a95b57fda2b9e39c1908b Mon Sep 17 00:00:00 2001
From: ouz-a <oguz.agcayazi@gmail.com>
Date: Sun, 24 Jul 2022 14:40:43 +0300
Subject: optimize un_derefer

---
 compiler/rustc_mir_transform/src/elaborate_drops.rs     | 7 +++----
 compiler/rustc_mir_transform/src/remove_uninit_drops.rs | 2 +-
 2 files changed, 4 insertions(+), 5 deletions(-)

(limited to 'compiler/rustc_mir_transform/src')

diff --git a/compiler/rustc_mir_transform/src/elaborate_drops.rs b/compiler/rustc_mir_transform/src/elaborate_drops.rs
index 71ab6dee1b6..9c1fcbaa69d 100644
--- a/compiler/rustc_mir_transform/src/elaborate_drops.rs
+++ b/compiler/rustc_mir_transform/src/elaborate_drops.rs
@@ -28,20 +28,19 @@ impl<'tcx> MirPass<'tcx> for ElaborateDrops {
     fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {
         debug!("elaborate_drops({:?} @ {:?})", body.source, body.span);
 
-        let mut un_derefer = UnDerefer { tcx: tcx, derefer_sidetable: Default::default() };
-        un_derefer.ref_finder(body);
         let def_id = body.source.def_id();
         let param_env = tcx.param_env_reveal_all_normalized(def_id);
-        let move_data = match MoveData::gather_moves(body, tcx, param_env) {
+        let (side_table, move_data) = match MoveData::gather_moves(body, tcx, param_env) {
             Ok(move_data) => move_data,
             Err((move_data, _)) => {
                 tcx.sess.delay_span_bug(
                     body.span,
                     "No `move_errors` should be allowed in MIR borrowck",
                 );
-                move_data
+                (Default::default(), move_data)
             }
         };
+        let un_derefer = UnDerefer { tcx: tcx, derefer_sidetable: side_table };
         let elaborate_patch = {
             let body = &*body;
             let env = MoveDataParamEnv { move_data, param_env };
diff --git a/compiler/rustc_mir_transform/src/remove_uninit_drops.rs b/compiler/rustc_mir_transform/src/remove_uninit_drops.rs
index efa45883eab..4c33f839f9b 100644
--- a/compiler/rustc_mir_transform/src/remove_uninit_drops.rs
+++ b/compiler/rustc_mir_transform/src/remove_uninit_drops.rs
@@ -21,7 +21,7 @@ pub struct RemoveUninitDrops;
 impl<'tcx> MirPass<'tcx> for RemoveUninitDrops {
     fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {
         let param_env = tcx.param_env(body.source.def_id());
-        let Ok(move_data) = MoveData::gather_moves(body, tcx, param_env) else {
+        let Ok((_,move_data)) = MoveData::gather_moves(body, tcx, param_env) else {
             // We could continue if there are move errors, but there's not much point since our
             // init data isn't complete.
             return;
-- 
cgit 1.4.1-3-g733a5