From 620213a0f06194142f8646a56be76a637427dd11 Mon Sep 17 00:00:00 2001
From: Jack Grigg <jack@z.cash>
Date: Tue, 14 Jan 2020 21:58:22 -0500
Subject: [PATCH] ff_derive: Fix a clippy issue in generated code

This shows up as a clippy warning in the pairing crate.
---
 ff/ff_derive/src/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ff/ff_derive/src/lib.rs b/ff/ff_derive/src/lib.rs
index 0a0a1cf..8ef389d 100644
--- a/ff/ff_derive/src/lib.rs
+++ b/ff/ff_derive/src/lib.rs
@@ -465,7 +465,7 @@ fn prime_field_constants_and_sqrt(
                         let result = x * &z;
                         x = #name::conditional_select(&result, &x, b.ct_eq(&#name::one()));
                         z = z.square();
-                        b = b * &z;
+                        b *= &z;
                         v = k;
                     }