From f3bcaf9f88aad2c423ebcd61121562f9834187d4 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Mon, 8 Apr 2024 17:11:27 +0200
Subject: Merging upstream version 115.8.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 gfx/ipc/InProcessCompositorSession.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'gfx/ipc/InProcessCompositorSession.cpp')

diff --git a/gfx/ipc/InProcessCompositorSession.cpp b/gfx/ipc/InProcessCompositorSession.cpp
index f5f94461cb..9efb83b57a 100644
--- a/gfx/ipc/InProcessCompositorSession.cpp
+++ b/gfx/ipc/InProcessCompositorSession.cpp
@@ -61,7 +61,10 @@ RefPtr<InProcessCompositorSession> InProcessCompositorSession::Create(
 }
 
 void InProcessCompositorSession::NotifySessionLost() {
-  mWidget->NotifyCompositorSessionLost(this);
+  // Hold a reference to mWidget since NotifyCompositorSessionLost may
+  // release the last reference mid-execution.
+  RefPtr<nsBaseWidget> widget(mWidget);
+  widget->NotifyCompositorSessionLost(this);
 }
 
 CompositorBridgeParent* InProcessCompositorSession::GetInProcessBridge() const {
-- 
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