From b8d340db1409e4a8275788597d1e8caab99f053d Mon Sep 17 00:00:00 2001
From: Nicholas Nethercote <n.nethercote@gmail.com>
Date: Wed, 22 Nov 2023 14:15:26 +1100
Subject: [PATCH] Remove unnecessary `ValueAnalysisWrapper::Direction`.

`Forward` is the default.
---
 compiler/rustc_mir_dataflow/src/lib.rs            | 4 +---
 compiler/rustc_mir_dataflow/src/value_analysis.rs | 2 --
 2 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/compiler/rustc_mir_dataflow/src/lib.rs b/compiler/rustc_mir_dataflow/src/lib.rs
index 81149793c5a..cd3378375d8 100644
--- a/compiler/rustc_mir_dataflow/src/lib.rs
+++ b/compiler/rustc_mir_dataflow/src/lib.rs
@@ -25,9 +25,7 @@
     fmt, lattice, visit_results, Analysis, AnalysisDomain, Direction, GenKill, GenKillAnalysis,
     JoinSemiLattice, MaybeReachable, Results, ResultsCursor, ResultsVisitable, ResultsVisitor,
 };
-use self::framework::{
-    Backward, CloneAnalysis, Forward, ResultsClonedCursor, SwitchIntEdgeEffects,
-};
+use self::framework::{Backward, CloneAnalysis, ResultsClonedCursor, SwitchIntEdgeEffects};
 use self::move_paths::MoveData;
 
 pub mod debuginfo;
diff --git a/compiler/rustc_mir_dataflow/src/value_analysis.rs b/compiler/rustc_mir_dataflow/src/value_analysis.rs
index 45da1ab9e18..addea2c9b87 100644
--- a/compiler/rustc_mir_dataflow/src/value_analysis.rs
+++ b/compiler/rustc_mir_dataflow/src/value_analysis.rs
@@ -332,8 +332,6 @@ fn wrap(self) -> ValueAnalysisWrapper<Self>
 impl<'tcx, T: ValueAnalysis<'tcx>> AnalysisDomain<'tcx> for ValueAnalysisWrapper<T> {
     type Domain = State<T::Value>;
 
-    type Direction = crate::Forward;
-
     const NAME: &'static str = T::NAME;
 
     fn bottom_value(&self, _body: &Body<'tcx>) -> Self::Domain {