Merge pull request #116311 from microsoft/joh/fix/116094

fix microsoft/vscode#116094

Author: jrieken

src/vs/workbench/browser/parts/editor/breadcrumbsModel.ts

@@ -104,7 +104,7 @@ export class BreadcrumbsModel {
 		}
 
 		const breadcrumbsElements = this._currentOutline.value.config.breadcrumbsDataSource.getBreadcrumbElements();
-		for (let i = this._cfgSymbolPath.getValue() === 'last' ? breadcrumbsElements.length - 1 : 0; i < breadcrumbsElements.length; i++) {
+		for (let i = this._cfgSymbolPath.getValue() === 'last' && breadcrumbsElements.length > 0 ? breadcrumbsElements.length - 1 : 0; i < breadcrumbsElements.length; i++) {
 			result.push(new OutlineElement2(breadcrumbsElements[i], this._currentOutline.value));
 		}