From afbe2fa1f259411b6c49a3ec3b2baccfbf1664d9 Mon Sep 17 00:00:00 2001
From: yvt <i@yvt.jp>
Date: Wed, 28 Jul 2021 01:39:51 +0900
Subject: [PATCH] fix(script): don't pass an unrooted slice to
 `from_rooted_slice`

---
 components/script/dom/bindings/proxyhandler.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/components/script/dom/bindings/proxyhandler.rs b/components/script/dom/bindings/proxyhandler.rs
index 73e6e0623f5..3650df6186b 100644
--- a/components/script/dom/bindings/proxyhandler.rs
+++ b/components/script/dom/bindings/proxyhandler.rs
@@ -541,7 +541,12 @@ pub unsafe fn cross_origin_set(
         *cx,
         receiver,
         setter_jsval.handle().into(),
-        &jsapi::HandleValueArray::from_rooted_slice(&[v.get()]),
+        // FIXME: Our binding lacks `HandleValueArray(Handle<Value>)`
+        // <https://searchfox.org/mozilla-central/rev/072710086ddfe25aa2962c8399fefb2304e8193b/js/public/ValueArray.h#54-55>
+        &jsapi::HandleValueArray {
+            length_: 1,
+            elements_: v.ptr,
+        },
         ignored.handle_mut().into(),
     ) {
         return false;