From ce5b9c662f2ee203fb08c6a07f0a3f059f1697f4 Mon Sep 17 00:00:00 2001
From: memoryruins <memoryruinsmusic@gmail.com>
Date: Thu, 9 Aug 2018 15:32:23 -0400
Subject: [PATCH] [nll] libsyntax_ext: remove unnecessary mut annotation on
 variable

Pointed out by nll. It is correct that the mut annotation is not needed.
---
 src/libsyntax_ext/deriving/generic/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libsyntax_ext/deriving/generic/mod.rs b/src/libsyntax_ext/deriving/generic/mod.rs
index e0f985c26c7a..f5e607fc23d2 100644
--- a/src/libsyntax_ext/deriving/generic/mod.rs
+++ b/src/libsyntax_ext/deriving/generic/mod.rs
@@ -554,7 +554,7 @@ impl<'a> TraitDef<'a> {
             GenericParamKind::Type { .. } => {
                 // I don't think this can be moved out of the loop, since
                 // a GenericBound requires an ast id
-                let mut bounds: Vec<_> =
+                let bounds: Vec<_> =
                     // extra restrictions on the generics parameters to the
                     // type being derived upon
                     self.additional_bounds.iter().map(|p| {