From 389e2cc69a917ea7ddc40bef0c1bda0466b423db Mon Sep 17 00:00:00 2001
From: Nicholas Nethercote <n.nethercote@gmail.com>
Date: Thu, 23 Nov 2023 16:59:13 +1100
Subject: Remove some unused code relating to `ResultsCloned`.

---
 compiler/rustc_mir_dataflow/src/framework/cursor.rs | 13 +------------
 compiler/rustc_mir_dataflow/src/framework/engine.rs | 14 --------------
 2 files changed, 1 insertion(+), 26 deletions(-)

(limited to 'compiler/rustc_mir_dataflow/src/framework')

diff --git a/compiler/rustc_mir_dataflow/src/framework/cursor.rs b/compiler/rustc_mir_dataflow/src/framework/cursor.rs
index 5a77b2eff72..e27666d590b 100644
--- a/compiler/rustc_mir_dataflow/src/framework/cursor.rs
+++ b/compiler/rustc_mir_dataflow/src/framework/cursor.rs
@@ -1,6 +1,6 @@
 //! Random access inspection of the results of a dataflow analysis.
 
-use crate::{framework::BitSetExt, CloneAnalysis};
+use crate::framework::BitSetExt;
 
 use std::borrow::{Borrow, BorrowMut};
 use std::cmp::Ordering;
@@ -104,17 +104,6 @@ where
     }
 }
 
-impl<'res, 'mir, 'tcx, A> ResultsClonedCursor<'res, 'mir, 'tcx, A>
-where
-    A: Analysis<'tcx> + CloneAnalysis,
-{
-    /// Creates a new cursor over the same `Results`. Note that the cursor's position is *not*
-    /// copied.
-    pub fn new_cursor(&self) -> Self {
-        Self::new(self.body, self.results.reclone_analysis())
-    }
-}
-
 impl<'mir, 'tcx, A, R> ResultsCursor<'mir, 'tcx, A, R>
 where
     A: Analysis<'tcx>,
diff --git a/compiler/rustc_mir_dataflow/src/framework/engine.rs b/compiler/rustc_mir_dataflow/src/framework/engine.rs
index 00a74b0d770..78b57008233 100644
--- a/compiler/rustc_mir_dataflow/src/framework/engine.rs
+++ b/compiler/rustc_mir_dataflow/src/framework/engine.rs
@@ -116,20 +116,6 @@ where
     }
 }
 
-impl<'res, 'tcx, A> ResultsCloned<'res, 'tcx, A>
-where
-    A: Analysis<'tcx> + CloneAnalysis,
-{
-    /// Creates a new `Results` type with a cloned `Analysis` and borrowed entry sets.
-    pub fn reclone_analysis(&self) -> Self {
-        Results {
-            analysis: self.analysis.clone_analysis(),
-            entry_sets: self.entry_sets,
-            _marker: PhantomData,
-        }
-    }
-}
-
 /// A solver for dataflow problems.
 pub struct Engine<'mir, 'tcx, A>
 where
-- 
cgit 1.4.1-3-g733a5