TS Server fatal error: Debug Failure. False expression.

[hiteshpatwari]

Type: Bug

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

TypeScript Version: 5.6.2

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.

VS Code version: Code - Insiders 1.94.0-insider (4f485cf59847506bc1ba2aaab127d31dcbe2c9dc, 2024-09-18T09:24:10.356Z) OS version: Darwin arm64 23.6.0 Modes:

System Info

|Item|Value| |---|---| |CPUs|Apple M3 Pro (12 x 2400)| |GPU Status|2d_canvas: enabled
canvas_oop_rasterization: enabled_on
direct_rendering_display_compositor: disabled_off_ok
gpu_compositing: enabled
multiple_raster_threads: enabled_on
opengl: enabled_on
rasterization: enabled
raw_draw: disabled_off_ok
skia_graphite: disabled_off
video_decode: enabled
video_encode: enabled
webgl: enabled
webgl2: enabled
webgpu: enabled
webnn: disabled_off| |Load (avg)|5, 8, 8| |Memory (System)|36.00GB (0.51GB free)| |Process Argv|--crash-reporter-id 403999cd-91e3-4fb1-9fd0-f2dba471eaec| |Screen Reader|no| |VM|0%|

Extensions (43)

Extension|Author (truncated)|Version ---|---|--- better-comments|aar|3.0.2 asciidoctor-vscode|asc|3.3.1 vscode-database|baj|2.2.3 docs-view|bie|0.1.0 path-intellisense|chr|2.9.0 format-json|Cle|1.0.3 codeswing|cod|0.0.25 codium|Cod|0.9.15 vscode-eslint|dba|3.0.10 es7-react-js-snippets|dsz|4.4.3 gitlens|eam|15.5.1 vscode-html-css|ecm|2.0.10 vsc-material-theme|Equ|34.7.5 vsc-material-theme-icons|equ|3.8.8 prettier-vscode|esb|11.0.0 node-version|fiv|0.0.1 copilot|Git|1.233.0 copilot-chat|Git|0.21.2024092003 vscode-pull-request-github|Git|0.96.0 ruby|gro|0.1.0 rest-client|hum|0.25.1 vscode-redux-devtools|jin|1.0.2 svg|joc|1.5.4 haml|kar|1.4.1 vscode-leetcode|Lee|0.18.4 git-graph|mhu|1.30.0 vscode-exec-node|mir|0.5.6 prettify-json|moh|0.0.3 vscode-docker|ms-|1.29.2 vscode-postgresql|ms-|0.3.0 python|ms-|2024.14.1 vscode-pylance|ms-|2024.9.2 remote-containers|ms-|0.387.0 remote-wsl|ms-|0.88.3 vscode-speech|ms-|0.11.2024091917 vsliveshare|ms-|1.0.5941 color-highlight|nau|2.8.0 indent-rainbow|ode|8.3.1 postman-for-vscode|Pos|1.3.0 vscode-thunder-client|ran|2.25.7 vscode-yaml|red|1.15.0 vs-code-prettier-eslint|rve|6.0.0 JavaScriptSnippets|xab|1.8.0 (3 theme extensions excluded)

A/B Experiments

``` vsliv368cf:30146710 vspor879:30202332 vspor708:30202333 vspor363:30204092 vscod805:30301674 vsaa593cf:30376535 py29gd2263:31024238 c4g48928:30535728 962ge761:30841072 pythongtdpath:30726887 welcomedialog:30812478 pythonnoceb:30776497 asynctok:30898717 dsvsc014:30777825 dsvsc015:30821418 pythonmypyd1:30859725 h48ei257:31000450 pythontbext0:30879054 accentitlementst:30870582 dsvsc016:30879898 dsvsc017:30880771 dsvsc018:30880772 cppperfnew:30980852 pythonait:30973460 9c06g630:31013171 a69g1124:31018687 dvdeprecation:31040973 dwnewjupyter:31046869 impr_priority:31057980 nativerepl1:31134653 refactort:31084545 pythonrstrctxt:31093868 flighttreat:31119334 wkspc-onlycs-t:31132770 nativeloc1:31118317 wkspc-ranged-t:31125599 cf971741:31144450 notreesitter:31116712 e80f6927:31120813 autoexpandse:31133494 fje88620:31121564 12bdf347:31141542 iacca2:31144504 notype1:31143044 b50ed353:31138333 showchatpanel:31139797 f8igb616:31140137 ```

[mjbvz]

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

[vs-code-engineering[bot]]

This issue has been closed automatically because it needs more information and has not had recent activity. See also our issue reporting guidelines.

Happy Coding!