From f6445eefe3b2bb429fdb569267935c53f438290c Mon Sep 17 00:00:00 2001
From: Lukas Matena <lukasmatena@seznam.cz>
Date: Fri, 10 Mar 2023 11:49:53 +0100
Subject: [PATCH] Fix a memory leak in placeholder parser

---
 src/libslic3r/PlaceholderParser.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libslic3r/PlaceholderParser.cpp b/src/libslic3r/PlaceholderParser.cpp
index 2dd5e8f8e3..5235fd72ed 100644
--- a/src/libslic3r/PlaceholderParser.cpp
+++ b/src/libslic3r/PlaceholderParser.cpp
@@ -234,6 +234,7 @@ namespace client
                 delete m_data.s;
             m_type = TYPE_EMPTY;
         }
+        ~expr() { reset(); }
 
         enum Type {
             TYPE_EMPTY = 0,