From 9c4626048432cb47b67cebbb64dddadfa6cdd149 Mon Sep 17 00:00:00 2001
From: rebornix <penn.lv@gmail.com>
Date: Wed, 5 May 2021 14:40:13 -0700
Subject: [PATCH] Prevent listeners circular ref each other @jrieken

---
 src/vs/base/common/linkedList.ts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/vs/base/common/linkedList.ts b/src/vs/base/common/linkedList.ts
index ddeb494cccc..6a3d9d7af6b 100644
--- a/src/vs/base/common/linkedList.ts
+++ b/src/vs/base/common/linkedList.ts
@@ -33,6 +33,14 @@ export class LinkedList<E> {
 	}
 
 	clear(): void {
+		let node = this._first;
+		while (node !== Node.Undefined) {
+			const next = node.next;
+			node.prev = Node.Undefined;
+			node.next = Node.Undefined;
+			node = next;
+		}
+
 		this._first = Node.Undefined;
 		this._last = Node.Undefined;
 		this._size = 0;