From d35e36def5504969d7b1b5e6861a84106d0daa60 Mon Sep 17 00:00:00 2001
From: David Wendt <dcrkid@yahoo.com>
Date: Wed, 9 Oct 2019 20:37:01 -0400
Subject: [PATCH] Allow overwriting virtual properties via setting `set` to
 `None`.

---
 core/src/avm1/object.rs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/core/src/avm1/object.rs b/core/src/avm1/object.rs
index 85c9d9263..0a4b52381 100644
--- a/core/src/avm1/object.rs
+++ b/core/src/avm1/object.rs
@@ -63,9 +63,16 @@ impl<'gc> Property<'gc> {
         new_value: Value<'gc>,
     ) {
         match self {
-            Property::Virtual { set, .. } => {
+            Property::Virtual {
+                set, attributes, ..
+            } => {
                 if let Some(function) = set {
                     function(avm, context, this, &[new_value]);
+                } else if !attributes.contains(ReadOnly) {
+                    *self = Property::Stored {
+                        value: new_value,
+                        attributes: *attributes,
+                    };
                 }
             }
             Property::Stored {