From b46de2cd570d1e4bfa9042fcfcdccca69635bda2 Mon Sep 17 00:00:00 2001
From: Sandeep Somavarapu <sasomava@microsoft.com>
Date: Wed, 4 Jan 2017 13:03:25 +0100
Subject: [PATCH] Do not clear ranges if editor model is not tehre

---
 src/vs/workbench/common/editor/rangeDecorations.ts | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/vs/workbench/common/editor/rangeDecorations.ts b/src/vs/workbench/common/editor/rangeDecorations.ts
index cecec707c43..62c1ccd9ec1 100644
--- a/src/vs/workbench/common/editor/rangeDecorations.ts
+++ b/src/vs/workbench/common/editor/rangeDecorations.ts
@@ -96,8 +96,10 @@ export class RangeHighlightDecorations implements IDisposable {
 	}
 
 	public dispose() {
-		this.removeHighlightRange();
-		this.disposeEditorListeners();
-		this.editor = null;
+		if (this.editor && this.editor.getModel()) {
+			this.removeHighlightRange();
+			this.disposeEditorListeners();
+			this.editor = null;
+		}
 	}
 }
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