global string array can't be modified in func

[kbkpbot]

trafficstars

Describe the bug

global string array can be modified in main func, but can't be modified via function call

Expected Behavior

['aa', 'bb']
['1', 'bb']

Current Behavior

['aa']
['1', 'bb']

Reproduction Steps

test_globals.v

__global (
	s	[]string
)

fn add_string(mut ss []string) {
	ss << 'bb'
}
fn main() {
	mut t := []string{}
	s << 'aa'
	t << '1'
	add_string(mut s)
	add_string(mut t)
	println(s)
	println(t)
}

v test_globals.v -enable-globals

Possible Solution

change

add_string(mut s)

to

add_string(mut &s)

can fix the bug

Additional Information/Context

No response

V version

0.3.3 612ac69

Environment details (OS name and version, etc.)

OS: linux, Ubuntu 22.04.1 LTS (WSL 2) Processor: 4 cpus, 64bit, little endian, Intel(R) Core(TM) i7-6500U CPU @ 2.50GHz CC version: cc (Ubuntu 11.3.0-1ubuntu1~22.04) 11.3.0

getwd: /mnt/d/v vmodules: /home/lastgod/.vmodules vroot: /home/lastgod/github/lang/v vexe: /home/lastgod/github/lang/v/v vexe mtime: 2023-02-21 11:11:06 is vroot writable: true is vmodules writable: true V full version: V 0.3.3 612ac69

Git version: git version 2.34.1 Git vroot status: weekly.2023.08-6-g612ac694 .git/config present: true thirdparty/tcc status: thirdparty-linux-amd64 12f392c3