From 006f276cab454dc032c78935281e341be9dab57e Mon Sep 17 00:00:00 2001
From: Jelle Raaijmakers <jelle@gmta.nl>
Date: Thu, 27 Mar 2025 22:22:16 +0000
Subject: [PATCH] LibWeb: Copy IDBDatabase object stores through
 `Vector(ReadonlySpan)`

Prevents a crash because `ReadonlySpan.copy_to()` was trying to copy to
an empty vector.

Fixes #4127.
---
 Libraries/LibWeb/IndexedDB/IDBDatabase.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Libraries/LibWeb/IndexedDB/IDBDatabase.cpp b/Libraries/LibWeb/IndexedDB/IDBDatabase.cpp
index 53592e9ddd6..808fc11d4bd 100644
--- a/Libraries/LibWeb/IndexedDB/IDBDatabase.cpp
+++ b/Libraries/LibWeb/IndexedDB/IDBDatabase.cpp
@@ -21,7 +21,7 @@ IDBDatabase::IDBDatabase(JS::Realm& realm, Database& db)
     , m_associated_database(db)
 {
     db.associate(*this);
-    db.object_stores().copy_to(m_object_store_set);
+    m_object_store_set = Vector<GC::Ref<ObjectStore>> { db.object_stores() };
 }
 
 IDBDatabase::~IDBDatabase() = default;