TS Server fatal error: Cannot read property 'flags' of undefined

[wuzhonghao1]

Issue Type: Bug

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

TypeScript Version: 4.5.4

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: semantic

TypeError: Cannot read property 'flags' of undefined
    at getPropertyOfObjectType (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:57011:22)
    at getPropertyOfType (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:57671:24)
    at resolveESModuleSymbol (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:49817:54)
    at getTargetOfNamespaceImport (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:49002:28)
    at getTargetOfAliasDeclaration (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:49236:28)
    at resolveAlias (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:49281:30)
    at getSymbol (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:47838:38)
    at resolveNameHelper (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:48131:34)
    at resolveName (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:48114:20)
    at resolveEntityName (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:49453:42)
    at getTargetOfAliasLikeExpression (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:49210:29)
    at getTargetOfExportAssignment (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:49199:28)
    at getTargetOfAliasDeclaration (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:49246:28)
    at resolveAlias (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:49281:30)
    at resolveSymbol (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:49271:67)
    at resolveExternalModuleSymbol (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:49763:36)
    at getTargetOfNamespaceExportDeclaration (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:49186:28)
    at getTargetOfAliasDeclaration (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:49248:28)
    at resolveAlias (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:49281:30)
    at resolveSymbol (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:49271:67)
    at mergeSymbol (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:47624:42)
    at d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:47739:47
    at Map.forEach (<anonymous>)
    at mergeSymbolTable (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:47737:20)
    at initializeTypeChecker (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:85010:21)
    at Object.createTypeChecker (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:47395:9)
    at Object.getTypeChecker (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:114404:79)
    at synchronizeHostData (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:159898:21)
    at Proxy.getProgram (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:160019:13)
    at ConfiguredProject.Project.updateGraphWorker (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:165033:53)
    at ConfiguredProject.Project.updateGraph (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:164962:42)
    at ConfiguredProject.updateGraph (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:165955:63)
    at ProjectService.createLoadAndUpdateConfiguredProject (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:167679:25)
    at ProjectService.assignProjectToOpenedScriptInfo (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:168762:44)
    at d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:169102:97
    at Object.flatMap (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:522:25)
    at ProjectService.applyChangesInOpenFiles (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:169102:41)
    at Session.handlers.ts.Map.ts.getEntries._a.<computed> (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:170260:46)
    at d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:172193:88
    at IOSession.Session.executeWithRequestId (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:172184:28)
    at IOSession.Session.executeCommand (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:172193:33)
    at IOSession.Session.onMessage (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:172219:35)
    at Interface.<anonymous> (d:\Microsoft VS Code\resources\app\extensions\node_modules\typescript\lib\tsserver.js:174824:31)
    at Interface.emit (events.js:315:20)
    at Interface._onLine (readline.js:337:10)
    at Interface._normalWrite (readline.js:482:12)
    at Socket.ondata (readline.js:194:10)
    at Socket.emit (events.js:315:20)
    at addChunk (internal/streams/readable.js:309:12)
    at readableAddChunk (internal/streams/readable.js:284:9)
    at Socket.Readable.push (internal/streams/readable.js:223:10)
    at Pipe.onStreamRead (internal/stream_base_commons.js:188:23)

VS Code version: Code 1.63.2 (899d46d, 2021-12-15T09:40:02.816Z)
OS version: Windows_NT x64 10.0.18363
Restricted Mode: No

System Info

Item	Value
CPUs	Intel(R) Core(TM) i5-8250U CPU @ 1.60GHz (8 x 1800)
GPU Status	2d_canvas: enabled gpu_compositing: enabled multiple_raster_threads: enabled_on oop_rasterization: enabled opengl: enabled_on rasterization: enabled skia_renderer: enabled_on video_decode: enabled vulkan: disabled_off webgl: enabled webgl2: enabled
Load (avg)	undefined
Memory (System)	7.90GB (1.97GB free)
Process Argv	--crash-reporter-id c8a8c063-1003-4755-9dcc-9efae5513f52
Screen Reader	no
VM	0%

Extensions (65)

Extension	Author (truncated)	Version
xml2json	bui	1.2.4
npm-intellisense	chr	1.4.0
path-intellisense	chr	2.6.0
compulim-vscode-closetag	Com	1.2.0
javascript-ejs-support	Dig	1.3.1
es7-react-js-snippets	dsz	3.1.1
vscode-spring-boot	ecm	0.0.10
vscode-npm-script	eg2	0.3.23
vscode-uppercasesql	epl	2.1.4
prettier-vscode	esb	9.1.0
auto-close-tag	for	0.5.13
auto-complete-tag	for	0.1.0
auto-rename-tag	for	0.1.9
code-runner	for	0.11.6
vscode-lombok	Gab	1.0.1
gc-excelviewer	Gra	4.0.50
todo-tree	Gru	0.0.214
vscode-drawio	hed	1.6.4
vue-snippets	hol	1.0.4
rest-client	hum	0.24.6
vue	jcb	0.1.5
volar	joh	0.30.2
vscode-typescript-vue-plugin	joh	0.30.2
intellij-idea-keybindings	k--	1.5.0
react-style-classname-hint	lov	1.0.1
mp-rest-client-generator-vscode-ext	Mic	0.1.2
mp-starter-vscode-ext	Mic	0.2.7
vscode-microprofile-pack	Mic	0.1.3
vscode-language-pack-zh-hans	MS-	1.63.3
python	ms-	2021.12.1559732655
vscode-pylance	ms-	2022.1.0
jupyter	ms-	2021.11.1001550889
jupyter-keymap	ms-	1.0.0
jupyter-renderers	ms-	1.0.4
debugger-for-chrome	msj	4.13.0
vuejs-extension-pack	mub	1.6.0
vetur	oct	0.35.0
arma-dev	ole	0.0.20
vuehelper	oys	0.1.0
vscode-boot-dev-pack	Piv	0.1.0
vscode-concourse	Piv	1.29.0
vscode-manifest-yaml	Piv	1.29.0
vscode-spring-boot	Piv	1.29.0
vscode-css-peek	pra	4.2.0
minapp-vscode	qiu	2.4.6
fabric8-analytics	red	0.3.5
java	red	1.2.0
vscode-commons	red	0.0.6
vscode-community-server-connector	red	0.25.2
vscode-rsp-ui	red	0.23.11
vscode-xml	red	0.18.2
vscode-status-bar-format-toggle	tom	3.0.0
vscodeintellicode	Vis	1.2.15
vscode-java-debug	vsc	0.37.0
vscode-java-dependency	vsc	0.18.9
vscode-java-pack	vsc	0.20.0
vscode-java-test	vsc	0.33.1
vscode-maven	vsc	0.34.2
vscode-spring-boot-dashboard	vsc	0.2.0
vscode-spring-initializr	vsc	0.8.0
vscode-icons	vsc	11.8.0
quokka-vscode	Wal	1.0.435
vscode-todo-highlight	way	1.0.5
JavaScriptSnippets	xab	1.8.0
blade-runner	yuk	1.0.0

A/B Experiments

vsliv368cf:30146710
vsreu685:30147344
python383:30185418
vspor879:30202332
vspor708:30202333
vspor363:30204092
vswsl492:30256859
pythontb:30283811
pythonptprofiler:30281270
vsdfh931cf:30280410
vshan820:30294714
vstes263cf:30335440
pythondataviewer:30285071
vscod805:30301674
pythonvspyt200:30340761
binariesv615:30325510
bridge0708:30335490
bridge0723:30353136
vsaa593:30376534
vsc1dst:30421291
pythonvs932:30410667
vscop804:30404766
vs360:30404995
vsrem710cf:30416617
vsccppwtstudy:30421978

[yume-chan]

Duplicate of microsoft/TypeScript#47179

[IllusionMH]

Please try to install https://marketplace.visualstudio.com/items?itemName=ms-vscode.vscode-typescript-next and see if problem is still reproducible.

Fix should be in latest TS Nightly version.