From aa3fde2dae318cd2da30247ce5d10e504530c46d Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Sun, 19 Jul 2020 13:40:06 +0200
Subject: [PATCH] Coverity: Big parameter passed by value

---
 src/App/Expression.cpp     | 2 +-
 src/App/ExpressionParser.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/App/Expression.cpp b/src/App/Expression.cpp
index bb3568e002..9c1bc60986 100644
--- a/src/App/Expression.cpp
+++ b/src/App/Expression.cpp
@@ -2467,7 +2467,7 @@ void FunctionExpression::_visit(ExpressionVisitor &v)
 
 TYPESYSTEM_SOURCE(App::VariableExpression, App::UnitExpression)
 
-VariableExpression::VariableExpression(const DocumentObject *_owner, ObjectIdentifier _var)
+VariableExpression::VariableExpression(const DocumentObject *_owner, const ObjectIdentifier& _var)
     : UnitExpression(_owner)
     , var(_var)
 {
diff --git a/src/App/ExpressionParser.h b/src/App/ExpressionParser.h
index f5b9545708..cbfb369034 100644
--- a/src/App/ExpressionParser.h
+++ b/src/App/ExpressionParser.h
@@ -321,7 +321,7 @@ protected:
 class AppExport VariableExpression : public UnitExpression {
     TYPESYSTEM_HEADER_WITH_OVERRIDE();
 public:
-    VariableExpression(const App::DocumentObject *_owner = 0, ObjectIdentifier _var = ObjectIdentifier());
+    VariableExpression(const App::DocumentObject *_owner = 0, const ObjectIdentifier& _var = ObjectIdentifier());
 
     ~VariableExpression();