false not recognized with c23 standard

[oflebbe]

Type: Bug

Use this code

#include <stdbool.h>

int main() {
  bool v = false;
}

When using c standard c17 everything is fine. With c23 the word "false" is marked as undefined, which is not correct, since <stdbool.h> is included.

Extension version: 1.21.6
VS Code version: Code 1.93.1 (38c31bc77e0dd6ae88a4e9cc93428cc27a56ba40, 2024-09-11T17:20:05.685Z)
OS version: Linux x64 6.10.11-amd64
Modes:

System Info

Item	Value
CPUs	AMD Ryzen 7 7840U w/ Radeon 780M Graphics (16 x 2394)
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: disabled_software vulkan: disabled_off webgl: enabled webgl2: enabled webgpu: disabled_off webnn: disabled_off
Load (avg)	2, 1, 1
Memory (System)	30.67GB (21.60GB free)
Process Argv	--crash-reporter-id 8ddf7950-f651-430b-b3d7-3a91a1218a5c
Screen Reader	no
VM	0%
DESKTOP_SESSION	plasmawayland
XDG_CURRENT_DESKTOP	KDE
XDG_SESSION_DESKTOP	KDE
XDG_SESSION_TYPE	wayland

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