From ede8a0f336d86f530077d5c0509f01c8eac947f9 Mon Sep 17 00:00:00 2001
From: Christof Marti <chrmarti@microsoft.com>
Date: Thu, 21 Jun 2018 11:42:40 +0200
Subject: [PATCH] Copy extension-provided arrays (#49340)

---
 src/vs/workbench/api/node/extHostQuickOpen.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/vs/workbench/api/node/extHostQuickOpen.ts b/src/vs/workbench/api/node/extHostQuickOpen.ts
index 1673e4b4876..a6ad6b4014c 100644
--- a/src/vs/workbench/api/node/extHostQuickOpen.ts
+++ b/src/vs/workbench/api/node/extHostQuickOpen.ts
@@ -325,7 +325,7 @@ class ExtHostQuickInput implements QuickInput {
 	}
 
 	set buttons(buttons: QuickInputButton[]) {
-		this._buttons = buttons;
+		this._buttons = buttons.slice();
 		this._handlesToButtons.clear();
 		buttons.forEach((button, i) => {
 			const handle = button === backButton ? -1 : i;
@@ -478,7 +478,7 @@ class ExtHostQuickPick extends ExtHostQuickInput implements QuickPick {
 	}
 
 	set items(items: QuickPickItem[]) {
-		this._items = items;
+		this._items = items.slice();
 		this._handlesToItems.clear();
 		this._itemsToHandles.clear();
 		items.forEach((item, i) => {