From f4f55088e3d78c15e7751c8d062562783f2dcdda Mon Sep 17 00:00:00 2001
From: David CARLIER <devnexen@gmail.com>
Date: Wed, 2 Aug 2023 08:58:49 +0100
Subject: [PATCH] ControlFlowGraph::calculate_difference_all_edges build
 warning fix. (#1390)

get_edge returns a reference, anyhow CfgEdge does implement the Borrow's trait neither.
---
 libafl_cc/src/cfg.rs | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/libafl_cc/src/cfg.rs b/libafl_cc/src/cfg.rs
index 5caa96c360..2c5aed01f1 100644
--- a/libafl_cc/src/cfg.rs
+++ b/libafl_cc/src/cfg.rs
@@ -1,6 +1,5 @@
 //! LLVM style control flow graph with information of AFL-style index of the each
 //! edges, use together with ``AFLCoverage`` pass having --dump-afl-cfg flag enabled.
-use core::borrow::Borrow;
 use std::{
     collections::{BinaryHeap, HashMap, HashSet},
     marker::PhantomData,
@@ -313,10 +312,8 @@ where
             }
             if let Some(edge_info) = self.get_edge(edge) {
                 for successor in &edge_info.successor_edges {
-                    let successor_info = self
-                        .get_edge(*successor)
-                        .expect("unknown successor added")
-                        .borrow();
+                    let successor_info =
+                        self.get_edge(*successor).expect("unknown successor added");
                     let new_distance = distance + successor_info.get_weight();
                     let is_shorter = distances
                         .get(successor)