From 7df96408073a9b8ced5fd561826347e6d0798516 Mon Sep 17 00:00:00 2001
From: Thomas Krijnen <t.krijnen@gmail.com>
Date: Sat, 28 Jan 2023 14:21:45 +0100
Subject: [PATCH] #2704 properly propagate iterator destructor

---
 src/ifcgeom_schema_agnostic/IfcGeomIterator.h        | 4 ++++
 src/ifcgeom_schema_agnostic/IteratorImplementation.h | 1 +
 2 files changed, 5 insertions(+)

diff --git a/src/ifcgeom_schema_agnostic/IfcGeomIterator.h b/src/ifcgeom_schema_agnostic/IfcGeomIterator.h
index 04437e58a4..4f45c108a1 100644
--- a/src/ifcgeom_schema_agnostic/IfcGeomIterator.h
+++ b/src/ifcgeom_schema_agnostic/IfcGeomIterator.h
@@ -107,6 +107,10 @@ namespace IfcGeom {
 			}
 		}
 
+		~Iterator() {
+			delete implementation_;
+		}
+
 		bool initialize() {
 			if (implementation_) {
 				return implementation_->initialize();
diff --git a/src/ifcgeom_schema_agnostic/IteratorImplementation.h b/src/ifcgeom_schema_agnostic/IteratorImplementation.h
index fc9ca78aeb..7879263264 100644
--- a/src/ifcgeom_schema_agnostic/IteratorImplementation.h
+++ b/src/ifcgeom_schema_agnostic/IteratorImplementation.h
@@ -73,6 +73,7 @@ namespace IfcGeom {
 		virtual BRepElement* get_native() = 0;
 		virtual const Element* get_object(int id) = 0;
 		virtual IfcUtil::IfcBaseClass* create() = 0;
+		virtual ~IteratorImplementation() {}
 	};
 
 }