From 9517db19d47a7aa4c61f6a8576561ffdc782036f Mon Sep 17 00:00:00 2001
From: Johannes Rieken <johannes.rieken@gmail.com>
Date: Mon, 16 Jan 2017 11:32:26 +0100
Subject: [PATCH] protect against empty strings, #7326

---
 src/vs/editor/contrib/suggest/browser/suggestController.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/vs/editor/contrib/suggest/browser/suggestController.ts b/src/vs/editor/contrib/suggest/browser/suggestController.ts
index f4774893e39..7e669fcc195 100644
--- a/src/vs/editor/contrib/suggest/browser/suggestController.ts
+++ b/src/vs/editor/contrib/suggest/browser/suggestController.ts
@@ -57,7 +57,9 @@ class AcceptOnCharacterOracle {
 		this._activeItem = item;
 		this._activeAcceptCharacters.clear();
 		for (const ch of item.suggestion.commitCharacters) {
-			this._activeAcceptCharacters.add(ch[0]);
+			if (ch.length > 0) {
+				this._activeAcceptCharacters.add(ch[0]);
+			}
 		}
 	}
 
-- 
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