json: not parsing embedded struct with also embedded structs

[esquerbatua]

Describe the bug

json module it's not parsing fields of various levels of embedded structs

Reproduction Steps

module main

import json

struct Json3 {
	embed f64
}

struct Json2 {
	Json3
	inner []f64
}

struct Json {
	Json2
	test f64
}

fn main() {
	str:= '{"inner": [1, 2, 3, 4, 5],"test": 1.0, "embed": 2.0}'
	data := json.decode(Json, str) or {
		eprintln('Failed to decode json, error: ${err}')
		return
	}
	println(data)
	assert data.inner.len == 5
	assert data.inner[0] == 1.0
	assert data.inner[4] == 5.0
	assert data.test == 1.0
	assert data.embed == 2.0
}

Expected Behavior

Run correctly, with all of the data parsed

Current Behavior

/tmp/v_1000/break.tmp.c:2325: error: field not found: Json3
builder error: 
==================
C error found. It should never happen, when compiling pure V code.
This is a V compiler bug, please report it using `v bug file.v`,
or goto https://github.com/vlang/v/issues/new/choose .
You can also use #help on Discord: https://discord.gg/vlang .
make: *** [Makefile:11: run] Error 1

Possible Solution

No response

Additional Information/Context

No response

V version

V full version: V 0.4.7 5e624a5

Environment details (OS name and version, etc.)

V full version: V 0.4.7 5e624a5
OS: linux, Ubuntu 24.04.1 LTS
Processor: 16 cpus, 64bit, little endian, AMD Ryzen 7 7840HS w/ Radeon 780M Graphics

getwd: /home/esquerbatua/git/breakV
vexe: /home/esquerbatua/git/v/v
vexe mtime: 2024-09-21 15:56:29

vroot: OK, value: /home/esquerbatua/git/v
VMODULES: OK, value: /home/esquerbatua/.vmodules
VTMP: OK, value: /tmp/v_1000

Git version: git version 2.43.0
Git vroot status: weekly.2024.37-35-g5e624a5b
.git/config present: true

CC version: cc (Ubuntu 13.2.0-23ubuntu4) 13.2.0
thirdparty/tcc status: thirdparty-linux-amd64 0134e9b9

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