From 3c3590522f6f51db353383f369e4a70932022206 Mon Sep 17 00:00:00 2001
From: bruvzg <7645683+bruvzg@users.noreply.github.com>
Date: Fri, 27 Nov 2020 22:55:24 +0200
Subject: [Complex Text Layouts] Add compatibility for legacy Font resources.

---
 core/object/class_db.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'core')

diff --git a/core/object/class_db.cpp b/core/object/class_db.cpp
index dc28fa10de..f5171f60ec 100644
--- a/core/object/class_db.cpp
+++ b/core/object/class_db.cpp
@@ -243,8 +243,11 @@ HashMap<StringName, StringName> ClassDB::resource_base_extensions;
 HashMap<StringName, StringName> ClassDB::compat_classes;
 
 bool ClassDB::_is_parent_class(const StringName &p_class, const StringName &p_inherits) {
-	StringName inherits = p_class;
+	if (!classes.has(p_class)) {
+		return false;
+	}
 
+	StringName inherits = p_class;
 	while (inherits.operator String().length()) {
 		if (inherits == p_inherits) {
 			return true;
-- 
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