From 099a32bbe4af19568286845ab0a7c439b81fef4f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tomasz=20Mi=C4=85sko?= <tomasz.miasko@gmail.com>
Date: Mon, 1 Aug 2022 00:00:00 +0000
Subject: [PATCH] Remove redundant `TransferWrapper` struct

---
 .../rustc_mir_dataflow/src/impls/liveness.rs     | 16 ++--------------
 1 file changed, 2 insertions(+), 14 deletions(-)

diff --git a/compiler/rustc_mir_dataflow/src/impls/liveness.rs b/compiler/rustc_mir_dataflow/src/impls/liveness.rs
index e64136928cc..21132eb991f 100644
--- a/compiler/rustc_mir_dataflow/src/impls/liveness.rs
+++ b/compiler/rustc_mir_dataflow/src/impls/liveness.rs
@@ -222,18 +222,6 @@ impl<'a, 'tcx> AnalysisDomain<'tcx> for MaybeTransitiveLiveLocals<'a> {
     }
 }
 
-struct TransferWrapper<'a>(&'a mut ChunkedBitSet<Local>);
-
-impl<'a> GenKill<Local> for TransferWrapper<'a> {
-    fn gen(&mut self, l: Local) {
-        self.0.insert(l);
-    }
-
-    fn kill(&mut self, l: Local) {
-        self.0.remove(l);
-    }
-}
-
 impl<'a, 'tcx> Analysis<'tcx> for MaybeTransitiveLiveLocals<'a> {
     fn apply_statement_effect(
         &self,
@@ -271,7 +259,7 @@ impl<'a, 'tcx> Analysis<'tcx> for MaybeTransitiveLiveLocals<'a> {
                 return;
             }
         }
-        TransferFunction(&mut TransferWrapper(trans)).visit_statement(statement, location);
+        TransferFunction(trans).visit_statement(statement, location);
     }
 
     fn apply_terminator_effect(
@@ -280,7 +268,7 @@ impl<'a, 'tcx> Analysis<'tcx> for MaybeTransitiveLiveLocals<'a> {
         terminator: &mir::Terminator<'tcx>,
         location: Location,
     ) {
-        TransferFunction(&mut TransferWrapper(trans)).visit_terminator(terminator, location);
+        TransferFunction(trans).visit_terminator(terminator, location);
     }
 
     fn apply_call_return_effect(