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False positive "Private field ... must be declared in an enclosing class." #63159

@bkatzung

Description

@bkatzung

Type: Bug

Create two copies of the file below (e.g. ab1.js and ab2.js), and open them in two tabs.

Actual: Observe whichever file you open second to show "Private field must be declared in an enclosing class" errors on #p call until you close the first file.

ab1.js / ab2.js:

class A { static #p () { } constructor () { A.#p(); } }
class B { static #p () { } constructor () { B.#p(); } }

Expected: No errors in either file regardless of which are open or in what order.

Seems like some sort of cross-tab state pollution.

VS Code version: Code 1.109.2 (591199df409fbf59b4b52d5ad4ee0470152a9b31, 2026-02-10T20:18:23.520Z)
OS version: Linux x64 6.12.57+deb13-amd64
Modes:
Remote OS version: Linux x64 4.19.0-22-amd64
Remote OS version: Linux x64 4.19.0-22-amd64
Remote OS version: Linux x64 4.19.0-22-amd64

System Info
Item Value
CPUs Intel(R) Core(TM) i5-7400 CPU @ 3.00GHz (4 x 3299)
GPU Status 2d_canvas: enabled
GPU0: VENDOR= 0x8086 [Google Inc. (Intel)], DEVICE=0x5912 [ANGLE (Intel, Mesa Intel(R) HD Graphics 630 (KBL GT2), OpenGL ES 3.2 Mesa 25.0.7-2)], DRIVER_VENDOR=Mesa, DRIVER_VERSION=25.0.7 ACTIVE
Machine model name:
Machine model version:
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
trees_in_viz: disabled_off
video_decode: enabled
video_encode: disabled_software
vulkan: disabled_off
webgl: enabled
webgl2: enabled
webgpu: disabled_off
webnn: disabled_off
Load (avg) 1, 1, 1
Memory (System) 11.60GB (2.00GB free)
Process Argv --crash-reporter-id 97c901d7-5d55-4f8c-b33d-38997feaf33e
Screen Reader no
VM 0%
DESKTOP_SESSION plasma
XDG_CURRENT_DESKTOP KDE
XDG_SESSION_DESKTOP KDE
XDG_SESSION_TYPE wayland
Item Value
Remote SSH: k1.kappacs.com
OS Linux x64 4.19.0-22-amd64
CPUs Pentium(R) Dual-Core CPU E5800 @ 3.20GHz (2 x 1217)
Memory (System) 3.82GB (0.84GB free)
VM 0%
Item Value
Remote SSH: k1.kappacs.com
OS Linux x64 4.19.0-22-amd64
CPUs Pentium(R) Dual-Core CPU E5800 @ 3.20GHz (2 x 1217)
Memory (System) 3.82GB (0.84GB free)
VM 0%
Item Value
Remote SSH: k1.kappacs.com
OS Linux x64 4.19.0-22-amd64
CPUs Pentium(R) Dual-Core CPU E5800 @ 3.20GHz (2 x 1217)
Memory (System) 3.82GB (0.84GB free)
VM 0%
Extensions (5)
Extension Author (truncated) Version
kilo-code kil 5.7.0
remote-ssh ms- 0.122.0
remote-ssh-edit ms- 0.87.0
remote-explorer ms- 0.5.0
vim vsc 1.32.4
A/B Experiments
vsliv368cf:30146710
vswsl492:30256859
binariesv615:30325510
nativeloc1:31344060
dwcopilot:31170013
dwoutputs:31242946
copilot_t_ci:31333650
e5gg6876:31282496
pythonrdcb7:31342333
6518g693:31463988
aj953862:31281341
b6b4d950:31327385
6abeh943:31336334
envsactivate1:31464700
cloudbuttont:31379625
aihoversummaries_f:31453033
42190218_ostrepl:31403339
use-responses-api:31390855
anonusage:31403420
ec5jj548:31422691
cp_cls_c_966_ss:31454199
4je02754:31463857
find_all_ref_in_bg_t:31453034
a5gib710:31434435
7a04d226_do_not_restore_last_panel_session:31438103
cp_cls_t_1081:31454832
a43f0575b:31442825
e9c30283:31461165
idci7584:31464702
edit_mode_hidden:31461530
nostats:31457175
864ei723_large_tool_results_to_disk:31460878
notips:31457203
chat:31457767

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    BugA bug in TypeScriptDomain: LS: TSServerIssues related to the TSServer

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