Vls will cause meson failure

[taozuhong]

Describe the bug
Before Vls was installed, everything was fine.
After Vls installed, meson compile command failed often

Software
OS and version: Windows 11(x86-64)
Code editor: MSYS2 + VSCode
Vala Language Server (e.g. git commit, or PPA/AUR version): MSYS package
Vala version (valac --version): 0.56.13

To Reproduce
Case 1:

1. Start VSCode and edit code to use Vls
2. meson setup build
3. meson compile -C build
4. Edit code to use Vls
5. meson compile -C build
   ====>failed

Case 2:

1. Start VSCode
2. Edit code to use Vls
3. meson compile -C build (continue with last time)
   ====>failed