From ab8aa95479a764e7aa6b26d617a6c2e8869eb8c4 Mon Sep 17 00:00:00 2001
From: Thomas Krijnen <t.krijnen@gmail.com>
Date: Tue, 12 Jan 2021 21:49:17 +0100
Subject: [PATCH] #1224 update inverse cache upon deletion

---
 src/ifcparse/IfcParse.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/ifcparse/IfcParse.cpp b/src/ifcparse/IfcParse.cpp
index 2769dbcf61..3ceb4205dc 100644
--- a/src/ifcparse/IfcParse.cpp
+++ b/src/ifcparse/IfcParse.cpp
@@ -1861,6 +1861,7 @@ void IfcFile::removeEntity(IfcUtil::IfcBaseClass* entity) {
 				std::vector<unsigned>& ids = byref_it->second;
 				ids.erase(std::remove(ids.begin(), ids.end(), id), ids.end());
 			}
+			by_ref_cached_.erase(name);
 		}
 	}