Repository: vscode
Issue: Assertion Failed
Labels: error-telemetry,merge-editor

```javascript
Error: Assertion Failed
at I in src/vs/base/common/assert.ts:47:21
at p in out/vs/workbench/workbench.desktop.main.js:1055:6097
at toEqualRangeMappings in src/vs/workbench/contrib/mergeEditor/browser/view/lineAlignment.ts:20:23
at k.computeViewZones in out/vs/workbench/workbench.desktop.main.js:1055:16699
at Ih.qc in src/vs/workbench/contrib/mergeEditor/browser/view/mergeEditor.ts:381:43
at <anonymous> in src/vs/workbench/contrib/mergeEditor/browser/view/mergeEditor.ts:267:23
at func in src/vs/editor/browser/viewParts/viewZones/viewZones.ts:413:10
at safeInvoke1Arg in src/vs/editor/browser/viewParts/viewZones/viewZones.ts:218:4
at callback in src/vs/editor/common/viewLayout/linesLayout.ts:192:4
at p.changeWhitespace in src/vs/editor/common/viewLayout/viewLayout.ts:363:40
at m.changeWhitespace in src/vs/editor/common/viewModel/viewModelImpl.ts:1079:38
at v.changeViewZones in src/vs/editor/browser/viewParts/viewZones/viewZones.ts:197:27
at q.change in src/vs/editor/browser/view.ts:550:19
at pn.changeViewZones in src/vs/editor/browser/widget/codeEditorWidget.ts:1558:24
at <anonymous> in src/vs/workbench/contrib/mergeEditor/browser/view/mergeEditor.ts:249:29
at func in src/vs/editor/browser/viewParts/viewZones/viewZones.ts:413:10
at safeInvoke1Arg in src/vs/editor/browser/viewParts/viewZones/viewZones.ts:218:4
at callback in src/vs/editor/common/viewLayout/linesLayout.ts:192:4
at p.changeWhitespace in src/vs/editor/common/viewLayout/viewLayout.ts:363:40
at m.changeWhitespace in src/vs/editor/common/viewModel/viewModelImpl.ts:1079:38
at v.changeViewZones in src/vs/editor/browser/viewParts/viewZones/viewZones.ts:197:27
at q.change in src/vs/editor/browser/view.ts:550:19
at pn.changeViewZones in src/vs/editor/browser/widget/codeEditorWidget.ts:1558:24
at <anonymous> in src/vs/workbench/contrib/mergeEditor/browser/view/mergeEditor.ts:248:28
at func in src/vs/editor/browser/viewParts/viewZones/viewZones.ts:413:10
at safeInvoke1Arg in src/vs/editor/browser/viewParts/viewZones/viewZones.ts:218:4
at callback in src/vs/editor/common/viewLayout/linesLayout.ts:192:4
at p.changeWhitespace in src/vs/editor/common/viewLayout/viewLayout.ts:363:40
at m.changeWhitespace in src/vs/editor/common/viewModel/viewModelImpl.ts:1079:38
at v.changeViewZones in src/vs/editor/browser/viewParts/viewZones/viewZones.ts:197:27
at q.change in src/vs/editor/browser/view.ts:550:19
at pn.changeViewZones in src/vs/editor/browser/widget/codeEditorWidget.ts:1558:24
at <anonymous> in src/vs/workbench/contrib/mergeEditor/browser/view/mergeEditor.ts:243:32
at fn in src/vs/base/common/observableImpl/autorun.ts:70:4
at p.k in src/vs/base/common/observableImpl/autorun.ts:136:9
at new p in src/vs/base/common/observableImpl/autorun.ts:109:8
at P in src/vs/base/common/observableImpl/autorun.ts:12:9
at $pc in src/vs/base/common/observableImpl/autorun.ts:66:21
at Ih.setInput in out/vs/workbench/workbench.desktop.main.js:2290:36877
at async e.$Kub.M in src/vs/workbench/browser/parts/editor/editorPanes.ts:422:4
at async e.$Kub.D in src/vs/workbench/browser/parts/editor/editorPanes.ts:252:34
at async e.$Kub.openEditor in src/vs/workbench/browser/parts/editor/editorPanes.ts:129:11
at async in src/vs/workbench/browser/parts/editor/editorGroupView.ts:1081:49
```
[Go to Errors Site](https://errors.code.visualstudio.com/card?ch=660393deaaa6d1996740ff4880f1bad43768c814&bH=017164dc-5ba2-9f61-10bb-2f4988bdc291)