TS Server fatal error: Debug Failure. False expression.

[ferqx]

Issue Type: Bug

❗️❗️❗️ Please fill in the sections below to help us diagnose the issue ❗️❗️❗️

TypeScript Version: 4.1.2

Steps to reproduce crash
1.
2.
3.

TS Server Log
❗️Server logging disabled. To help us fix crashes like this, please enable logging by setting:

"typescript.tsserver.log": "verbose"

After enabling this setting, future crash reports will include the server log.

TS Server Error Stack
Server: syntax

Error: Debug Failure. False expression.
    at ProjectService.applyChangesInOpenFiles (/Applications/Visual Studio Code - Insiders.app/Contents/Resources/app/extensions/node_modules/typescript/lib/tsserver.js:155370:34)
    at Session.handlers.ts.Map.ts.getEntries._a.<computed> (/Applications/Visual Studio Code - Insiders.app/Contents/Resources/app/extensions/node_modules/typescript/lib/tsserver.js:156403:46)
    at /Applications/Visual Studio Code - Insiders.app/Contents/Resources/app/extensions/node_modules/typescript/lib/tsserver.js:158276:88
    at IOSession.Session.executeWithRequestId (/Applications/Visual Studio Code - Insiders.app/Contents/Resources/app/extensions/node_modules/typescript/lib/tsserver.js:158267:28)
    at IOSession.Session.executeCommand (/Applications/Visual Studio Code - Insiders.app/Contents/Resources/app/extensions/node_modules/typescript/lib/tsserver.js:158276:33)
    at IOSession.Session.onMessage (/Applications/Visual Studio Code - Insiders.app/Contents/Resources/app/extensions/node_modules/typescript/lib/tsserver.js:158300:35)
    at Interface.<anonymous> (/Applications/Visual Studio Code - Insiders.app/Contents/Resources/app/extensions/node_modules/typescript/lib/tsserver.js:160510:27)
    at Interface.emit (events.js:315:20)
    at Interface._onLine (readline.js:329:10)
    at Interface._normalWrite (readline.js:474:12)
    at Socket.ondata (readline.js:186:10)
    at Socket.emit (events.js:315:20)
    at addChunk (_stream_readable.js:295:12)
    at readableAddChunk (_stream_readable.js:271:9)
    at Socket.Readable.push (_stream_readable.js:212:10)
    at Pipe.onStreamRead (internal/stream_base_commons.js:186:23)

VS Code version: Code - Insiders 1.53.0-insider (4a875e2, 2020-12-21T12:34:09.548Z)
OS version: Darwin arm64 20.2.0

System Info

Item	Value
CPUs	undefined
GPU Status	2d_canvas: enabled gpu_compositing: enabled metal: disabled_off multiple_raster_threads: enabled_on oop_rasterization: enabled opengl: enabled_on protected_video_decode: unavailable_off rasterization: enabled skia_renderer: disabled_off_ok video_decode: enabled webgl: enabled webgl2: enabled
Load (avg)	2, 2, 2
Memory (System)	8.00GB (0.17GB free)
Process Argv	--crash-reporter-id 1891e177-2edb-4f3d-a627-f04a881596dd
Screen Reader	no
VM	0%

Extensions (13)

Extension	Author (truncated)	Version
ng-template	Ang	0.1100.2
path-intellisense	chr	2.3.0
ng-zorro-vscode	cip	11.0.0
FreeMarker	dco	0.0.9
es7-react-js-snippets	dsz	3.1.0
gitlens	eam	11.1.0
prettier-vscode	esb	5.8.0
Angular-BeastCode	Mik	10.0.3
vscode-language-pack-zh-hans	MS-	1.52.2
vscode-typescript-tslint-plugin	ms-	1.3.2
material-icon-theme	PKi	4.4.0
git-commit-plugin	red	1.0.0
material-theme	zhu	3.9.12

(7 theme extensions excluded)

A/B Experiments

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vspor879:30202332
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python504:30227505
vswsl492cf:30208930
wsl2promptcf:30219163
pythonvsdeb440:30224570
unusedprompt:30219164
folderexplorer:30219166
openfilemenu:30219168
pythonvsded773:30223139
core-portspanelcf:30233468

[vscodebot]

(Experimental duplicate detection)
Thanks for submitting this issue. Please also check if it is already covered by an existing one, like:

• TS Server fatal error: Debug Failure. False expression. (#108450)
• TS Server fatal error: Debug Failure. False expression. (#111428)
• TS Server fatal error: Debug Failure. (#108873)
• TS Server fatal error: Debug Failure. (#109598)
• TS Server fatal error: Debug Failure. (#112853)

[mjbvz]

Does this reproduce in the latest VS Code insiders build with all extensions disabled?

/needsMoreInfo