From b110c55993b44409af872ed5fa28c40e36b1af16 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Krzysztof=20Boro=C5=84ski?=
 <94375110+kboronski-ant@users.noreply.github.com>
Date: Sun, 5 Nov 2023 17:39:06 +0100
Subject: [PATCH] Fix a memory leak in V3Fork (#4628)

---
 src/V3Fork.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/V3Fork.cpp b/src/V3Fork.cpp
index a271874ae..133e4352f 100644
--- a/src/V3Fork.cpp
+++ b/src/V3Fork.cpp
@@ -445,7 +445,11 @@ public:
 
         if (typesAdded) v3Global.rootp()->typeTablep()->repairCache();
     }
-    ~DynScopeVisitor() override = default;
+    ~DynScopeVisitor() override {
+        std::set<ForkDynScopeFrame*> frames;
+        for (auto node_frame : m_frames) { frames.insert(node_frame.second); }
+        for (auto* frame : frames) { delete frame; }
+    }
 };
 
 //######################################################################