TS Server fatal error: Debug Failure. False expression.

[Less24H]

Type: Bug

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

TypeScript Version: 5.6.0-dev.20240721

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 1.91.1 (f1e16e1e6214d7c44d078b1f0607b2388f29d729, 2024-07-09T22:06:49.809Z) OS version: Windows_NT x64 10.0.19045 Modes:

System Info

|Item|Value| |---|---| |CPUs|Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz (8 x 1992)| |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
vulkan: disabled_off
webgl: enabled
webgl2: enabled
webgpu: enabled| |Load (avg)|undefined| |Memory (System)|7.90GB (0.82GB free)| |Process Argv|--crash-reporter-id f0d9da8c-c35f-43ff-8301-d4b628a976da| |Screen Reader|no| |VM|0%|

Extensions (35)

Extension|Author (truncated)|Version ---|---|--- better-comments|aar|3.0.2 html-snippets|abu|0.2.1 vscode-color|ans|0.4.5 vscode-intelephense-client|bme|1.10.4 vscode-tailwindcss|bra|0.12.5 npm-intellisense|chr|1.4.5 path-intellisense|chr|2.9.0 vscode-eslint|dba|3.0.10 jquerysnippets|don|0.0.1 bracket-pair-toggler|dzh|0.0.3 vscode-html-css|ecm|2.0.10 prettier-vscode|esb|10.4.0 auto-rename-tag|for|0.1.10 vue-snippets|hol|1.0.4 vscode-env|Iro|0.1.0 vscode-colorize|kam|0.11.1 vscode-gutter-preview|kis|0.31.2 vscode-duplicate|mrm|1.2.1 jupyter|ms-|2024.6.0 jupyter-keymap|ms-|1.1.2 jupyter-renderers|ms-|1.0.18 vscode-jupyter-cell-tags|ms-|0.1.9 vscode-jupyter-slideshow|ms-|0.1.6 vscode-typescript-next|ms-|5.6.20240721 indent-rainbow|ode|8.3.1 material-icon-theme|PKi|5.6.0 vscode-css-peek|pra|4.4.1 cody-ai|sou|1.26.6 errorlens|use|3.20.0 volar|Vue|1.8.27 JavaScriptSnippets|xab|1.8.0 php-debug|xde|1.35.0 php-pack|xde|1.0.3 html-css-class-completion|Zig|1.20.0 php-intellisense|zob|1.3.3 (1 theme extensions excluded)

A/B Experiments

``` vsliv368:30146709 vspor879:30202332 vspor708:30202333 vspor363:30204092 vscod805:30301674 binariesv615:30325510 vsaa593:30376534 py29gd2263:31024239 c4g48928:30535728 azure-dev_surveyone:30548225 a9j8j154:30646983 962ge761:30959799 pythongtdpath:30769146 welcomedialogc:30910334 pythonnoceb:30805159 asynctok:30898717 pythonregdiag2:30936856 pythonmypyd1:30879173 h48ei257:31000450 pythontbext0:30879054 accentitlementst:30995554 dsvsc016:30899300 dsvsc017:30899301 dsvsc018:30899302 cppperfnew:31000557 dsvsc020:30976470 pythonait:31006305 dsvsc021:30996838 724cj586:31013169 pythoncenvpt:31062603 a69g1124:31058053 dvdeprecation:31068756 dwnewjupyter:31046869 2f103344:31071589 impr_priority:31094925 refactorc:31098050 ccpltc:31098111 pythonrstrctxtcf:31093870 hdi1a554:31097393 ```

[mjbvz]

Does this reproduce in the latest VS Code insiders build with all extensions disabled (besides the typescript nightly)?

[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!