From b40b1291e3f3c61d3efaeaaf18c6ccb16ce9fbd7 Mon Sep 17 00:00:00 2001
From: Olivier Goffart <ogoffart@sixtyfps.io>
Date: Mon, 16 Aug 2021 10:56:54 +0200
Subject: [PATCH] vtable: fix clippy warning about unneeded mut in a macro

---
 helper_crates/vtable/src/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/helper_crates/vtable/src/lib.rs b/helper_crates/vtable/src/lib.rs
index 11d2e7d05..727c4cf12 100644
--- a/helper_crates/vtable/src/lib.rs
+++ b/helper_crates/vtable/src/lib.rs
@@ -443,7 +443,7 @@ macro_rules! new_vref {
         // ensure that the type of the expression is correct
         let vtable = {
             use $crate::VTableMeta;
-            fn get_vt<X: $trait_>(_: &X) -> <$vtable as VTableMeta>::VTable {
+            fn get_vt<X: $trait_>(_: &mut X) -> <$vtable as VTableMeta>::VTable {
                 <$vtable as VTableMeta>::VTable::new::<X>()
             }
             get_vt($e)