From 548dcdb1952d57de695482ff9350ef925d485123 Mon Sep 17 00:00:00 2001
From: Yuuki Wesp <ls-micro@ya.ru>
Date: Sun, 11 Aug 2024 00:54:20 +0300
Subject: [PATCH] add check IsDestroyedObject

---
 runtime/ishtar.vm/runtime/gc/IshtarGC.cs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/runtime/ishtar.vm/runtime/gc/IshtarGC.cs b/runtime/ishtar.vm/runtime/gc/IshtarGC.cs
index c878d3f9..21eef60a 100644
--- a/runtime/ishtar.vm/runtime/gc/IshtarGC.cs
+++ b/runtime/ishtar.vm/runtime/gc/IshtarGC.cs
@@ -579,6 +579,17 @@ public void FreeObject(IshtarObject* obj, CallFrame* frame)
         {
             using var _ = GCSync.Begin(this);
 
+            if (obj->IsDestroyedObject())
+            {
+                gcLayout.register_finalizer_no_order(obj, null, frame);
+                DeleteDebugData((nint)obj);
+                RefsHeap.Remove((nint)obj);
+                Stats.total_bytes_requested -= allocatorPool.Return(obj);
+                Stats.total_allocations--;
+                Stats.alive_objects--;
+                return;
+            }
+
             if (!obj->IsValidObject())
             {
                 VM.FastFail(WNE.STATE_CORRUPT, "trying free memory of invalid object", frame);