From 38e1b57bc9a836df791c1aeaee7b484b700610ea Mon Sep 17 00:00:00 2001
From: Paul <pfultz2@yahoo.com>
Date: Tue, 21 Jul 2020 13:18:45 -0500
Subject: [PATCH] Use refs

---
 lib/valueflow.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/valueflow.cpp b/lib/valueflow.cpp
index dfa85eb03..cf7e94f46 100644
--- a/lib/valueflow.cpp
+++ b/lib/valueflow.cpp
@@ -2490,8 +2490,8 @@ struct SingleValueFlowForwardAnalyzer : ValueFlowForwardAnalyzer {
     virtual bool isAlias(const Token* tok) const OVERRIDE {
         if (value.isLifetimeValue())
             return false;
-        for(const auto& m:{getVars(), getAliasedVars()}) {
-            for (const auto& p:m) {
+        for(const auto& m:{std::ref(getVars()), std::ref(getAliasedVars())}) {
+            for (const auto& p:m.get()) {
                 nonneg int varid = p.first;
                 const Variable* var = p.second;
                 if (tok->varId() == varid)