From 3dfe9eff3efcee930d71cc32a525e648071ca977 Mon Sep 17 00:00:00 2001
From: orbitcowboy <orbitcowboy@web.de>
Date: Fri, 3 Jun 2022 00:07:15 +0200
Subject: [PATCH] astutils.cpp: Improved const correctness

---
 lib/astutils.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/astutils.cpp b/lib/astutils.cpp
index 03ca05daf..3db38c1cf 100644
--- a/lib/astutils.cpp
+++ b/lib/astutils.cpp
@@ -1103,7 +1103,7 @@ static bool isSameLifetime(const Token * const tok1, const Token * const tok2)
     return v1.tokvalue == v2.tokvalue;
 }
 
-static bool compareKnownValue(const Token * const tok1, const Token * const tok2, std::function<bool(const ValueFlow::Value&, const ValueFlow::Value&, bool)> compare)
+static bool compareKnownValue(const Token * const tok1, const Token * const tok2, const std::function<bool(const ValueFlow::Value&, const ValueFlow::Value&, bool)> & compare)
 {
     static const auto isKnownFn = std::mem_fn(&ValueFlow::Value::isKnown);