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TS Server fatal error: Cannot read property 'flags' of undefined #46587

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@nandorojo

Description

@nandorojo

Issue Type: Bug

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

TypeScript Version: 4.5.0-dev.20211028

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 (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:56925:22)
    at getPropertyOfType (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:57585:24)
    at resolveESModuleSymbol (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:49731:54)
    at getTargetOfNamespaceImport (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:48933:28)
    at getTargetOfAliasDeclaration (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:49167:28)
    at resolveAlias (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:49212:30)
    at getSymbol (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:47770:38)
    at resolveNameHelper (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:48062:34)
    at resolveName (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:48045:20)
    at resolveEntityName (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:49384:42)
    at resolveEntityName (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:49392:33)
    at getSymbolOfPartOfRightHandSideOfImportEquals (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:49344:24)
    at getTargetOfImportEqualsDeclaration (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:48796:28)
    at getTargetOfAliasDeclaration (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:49163:28)
    at resolveAlias (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:49212:30)
    at resolveSymbol (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:49202:67)
    at mergeSymbol (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:47556:42)
    at /Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:47671:47
    at Map.forEach (<anonymous>)
    at mergeSymbolTable (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:47669:20)
    at mergeSymbol (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:47580:21)
    at /Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:47671:47
    at Map.forEach (<anonymous>)
    at mergeSymbolTable (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:47669:20)
    at mergeModuleAugmentation (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:47685:17)
    at initializeTypeChecker (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:84884:25)
    at Object.createTypeChecker (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:47327:9)
    at Object.getTypeChecker (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:114201:79)
    at synchronizeHostData (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:159447:21)
    at Proxy.getProgram (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:159568:13)
    at ConfiguredProject.Project.updateGraphWorker (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:164578:53)
    at ConfiguredProject.Project.updateGraph (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:164507:42)
    at ConfiguredProject.updateGraph (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:165500:63)
    at ProjectService.createLoadAndUpdateConfiguredProject (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:167224:25)
    at ProjectService.assignProjectToOpenedScriptInfo (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:168307:44)
    at /Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:168647:97
    at Object.flatMap (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:522:25)
    at ProjectService.applyChangesInOpenFiles (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:168647:41)
    at Session.handlers.ts.Map.ts.getEntries._a.<computed> (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:169805:46)
    at /Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:171738:88
    at IOSession.Session.executeWithRequestId (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:171729:28)
    at IOSession.Session.executeCommand (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:171738:33)
    at IOSession.Session.onMessage (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:171764:35)
    at Interface.<anonymous> (/Users/fernandorojo/.vscode/extensions/ms-vscode.vscode-typescript-next-4.5.20211028/node_modules/typescript/lib/tsserver.js:174369:31)
    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 1.61.2 (6cba118ac49a1b88332f312a8f67186f7f3c1643, 2021-10-19T15:49:28.381Z)
OS version: Darwin x64 20.3.0
Restricted Mode: No

System Info
Item Value
CPUs Intel(R) Core(TM) i9-9980HK CPU @ 2.40GHz (16 x 2400)
GPU Status 2d_canvas: enabled
gpu_compositing: enabled
metal: disabled_off
multiple_raster_threads: enabled_on
oop_rasterization: enabled
opengl: enabled_on
rasterization: enabled
skia_renderer: disabled_off_ok
video_decode: enabled
webgl: enabled
webgl2: enabled
Load (avg) 6, 4, 3
Memory (System) 64.00GB (0.41GB free)
Process Argv --crash-reporter-id 3c85877a-7b27-4764-80da-510a866ec58a
Screen Reader yes
VM 0%
Extensions (20)
Extension Author (truncated) Version
vscode-color ans 0.4.5
vscode-apollo apo 1.19.7
vscode-eslint dba 2.2.2
gitlens eam 11.6.1
EditorConfig Edi 0.16.4
vscode-npm-script eg2 0.3.23
prettier-vscode esb 9.0.0
codespaces Git 1.3.3
copilot Git 1.6.3533
todo-tree Gru 0.0.214
vscode-env Iro 0.1.0
vscode-typescript-next ms- 4.5.20211028
color-highlight nau 2.5.0
material-icon-theme PKi 4.10.0
cobalt9 pyd 1.4.1
typescript-mono-repo-import-helper q 0.0.6
synthwave-vscode Rob 0.1.10
vscode-wakatime Wak 17.1.0
fig wit 0.0.5
material-theme zhu 3.13.2

(2 theme extensions excluded)

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BugA bug in TypeScriptCrashFor flagging bugs which are compiler or service crashes or unclean exits, rather than bad outputFix AvailableA PR has been opened for this issueVS Code PriorityCritical issues that VS Code needs fixed in the current TypeScript milestone

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