From 30d80096591d94125e22e388eaef791d2e5bb4d3 Mon Sep 17 00:00:00 2001
From: Josh Matthews <josh@joshmatthews.net>
Date: Mon, 20 Jun 2016 13:23:48 -0400
Subject: [PATCH] Avoid an unnecessary panic when the script task deals with a
 GC after the layout thread is unreachable.

---
 components/script/dom/node.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/components/script/dom/node.rs b/components/script/dom/node.rs
index a3289cca56e..b08fd076a9d 100644
--- a/components/script/dom/node.rs
+++ b/components/script/dom/node.rs
@@ -202,7 +202,9 @@ impl OpaqueStyleAndLayoutData {
         debug_assert!(thread_state::get().is_script());
         let win = window_from_node(node);
         node.style_and_layout_data.set(None);
-        win.layout_chan().send(Msg::ReapStyleAndLayoutData(self)).unwrap();
+        if win.layout_chan().send(Msg::ReapStyleAndLayoutData(self)).is_err() {
+            warn!("layout thread unreachable - leaking layout data");
+        }
     }
 }