C error when compiling code

[islonely]

Describe the bug

C error is produced when trying to compile/run the code from this repo with v run client/.

Reproduction Steps

I usually try to narrow down the code to as small as possible before posting a bug here, but I can't seem to figure out where in the V code this is being caused. It has something to do with the anonymous functions in struct MenuItem in client/menu.v. This line is where the C error is produced, but I'm unable to replicate it without the whole repository.

The generated C code causing the issue:

struct main__MenuItem {
	string label;
	main__CheckboxState state;
	anon_fn_ __v_do; // this has 2 underscores: __v_do
};

else if (app->state == (main__GameState__main_menu)) {
	main__Menu_selected(app->menu)._v_do(); // this has 1 underscore: _v_do()
}

Expected Behavior

Expected the code to compile. It used to do so, but I haven't touched it in 9 months, so I guess some update to V has caused it to break.

Current Behavior

==================
C:/Users/imado/AppData/Local/Temp/v_0/client.01HY2AT8E2DCBMRDSNJRXQRD3C.tmp.c:31468: warning: assignment from incompatible pointer type
C:/Users/imado/AppData/Local/Temp/v_0/client.01HY2AT8E2DCBMRDSNJRXQRD3C.tmp.c:31785: error: field not found: _v_do
...
==================
(Use `v -cg` to print the entire error message)

builder error: 
==================

Possible Solution

No response

Additional Information/Context

No response

V version

V 0.4.5 25777bd.eeaf8d9

Environment details (OS name and version, etc.)

V full version: V 0.4.5 25777bd.eeaf8d9
OS: windows, Microsoft Windows 11 Pro v22621 64-bit
Processor: 16 cpus, 64bit, little endian, 

getwd: C:\Users\imado\Documents\GitHub\shattlebip
vexe: C:\Users\imado\v\v.exe
vexe mtime: 2024-05-17 02:45:52

vroot: OK, value: C:\Users\imado\v
VMODULES: OK, value: C:\Users\imado\.vmodules
VTMP: OK, value: C:\Users\imado\AppData\Local\Temp\v_0

Git version: git version 2.33.1.windows.1
Git vroot status: weekly.2024.20-7-geeaf8d94
.git/config present: true

CC version: Error: 'cc' is not recognized as an internal or external command,
operable program or batch file.

thirdparty/tcc status: thirdparty-windows-amd64 e90c2620

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