fixes microsoft#79168

isidorn · isidorn · commit fd9ecea28637 · 2019-08-15T12:34:21.000+02:00
diff --git a/src/vs/workbench/contrib/debug/browser/callStackView.ts b/src/vs/workbench/contrib/debug/browser/callStackView.ts
@@ -576,7 +576,7 @@ function isDebugModel(obj: any): obj is IDebugModel {
 }
 
 function isDebugSession(obj: any): obj is IDebugSession {
-	return typeof obj.getAllThreads === 'function';
+	return obj && typeof obj.getAllThreads === 'function';
 }
 
 function isDeemphasized(frame: IStackFrame): boolean {

Original file line number	Diff line number	Diff line change
`@@ -576,7 +576,7 @@ function isDebugModel(obj: any): obj is IDebugModel {`
`576`	`576`	`}`
`577`	`577`
`578`	`578`	`function isDebugSession(obj: any): obj is IDebugSession {`
`579`		`- return typeof obj.getAllThreads === 'function';`
	`579`	`+ return obj && typeof obj.getAllThreads === 'function';`
`580`	`580`	`}`
`581`	`581`
`582`	`582`	`function isDeemphasized(frame: IStackFrame): boolean {`