From 27568ed46973aef31a42b7ddacabb63d95cbffc5 Mon Sep 17 00:00:00 2001
From: Camille GILLOT <gillot.camille@gmail.com>
Date: Sun, 18 Aug 2024 11:35:00 +0000
Subject: [PATCH] Silence lint.

---
 compiler/rustc_query_system/src/dep_graph/graph.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/compiler/rustc_query_system/src/dep_graph/graph.rs b/compiler/rustc_query_system/src/dep_graph/graph.rs
index 4919ba5e59352..570de4a3912e3 100644
--- a/compiler/rustc_query_system/src/dep_graph/graph.rs
+++ b/compiler/rustc_query_system/src/dep_graph/graph.rs
@@ -1245,7 +1245,7 @@ impl<D: Deps> CurrentDepGraph<D> {
 
     fn promote_node_and_deps_to_current(
         &self,
-        prev_graph: &SerializedDepGraph,
+        _prev_graph: &SerializedDepGraph,
         prev_index: SerializedDepNodeIndex,
     ) -> DepNodeIndex {
         let mut prev_index_to_index = self.prev_index_to_index.lock();
@@ -1258,8 +1258,8 @@ impl<D: Deps> CurrentDepGraph<D> {
                 #[cfg(debug_assertions)]
                 self.record_edge(
                     dep_node_index,
-                    prev_graph.index_to_node(prev_index),
-                    prev_graph.fingerprint_by_index(prev_index),
+                    _prev_graph.index_to_node(prev_index),
+                    _prev_graph.fingerprint_by_index(prev_index),
                 );
                 dep_node_index
             }