fix for "handle is not inialized" crash on clr.GetClrType(System.__class__)

den-run-ai · den-run-ai · commit 16f05e51d894 · 2018-01-28T12:11:13.000-06:00
diff --git a/src/runtime/managedtype.cs b/src/runtime/managedtype.cs
@@ -1,4 +1,4 @@
-﻿using System;
+using System;
 using System.Runtime.InteropServices;
 
 namespace Python.Runtime
@@ -34,6 +34,10 @@ internal static ManagedType GetManagedObject(IntPtr ob)
                     IntPtr op = tp == ob
                         ? Marshal.ReadIntPtr(tp, TypeOffset.magic())
                         : Marshal.ReadIntPtr(ob, ObjectOffset.magic(ob));
+                    if (op == IntPtr.Zero)
+                    {
+                        return null;
+                    }
                     var gc = (GCHandle)op;
                     return (ManagedType)gc.Target;
                 }
