C error when trying to use a &Struct value where Struct is required instead

[ratkingsminion]

Describe the bug

Code: https://play.vlang.io/p/f2eb21e5b7

struct Foo {
	idx int
}

mut list := []Foo{}
for i in 0..3 {
	list << Foo { idx: i }
}

dump(list.index(unsafe { &list[1] }))

Reproduction Steps

Run above code

Expected Behavior

A sane error should appear

Current Behavior

Output:

/tmp/v_60000/../../../../../../box/code.v:10: error: cannot convert 'struct main__Foo *' to 'struct main__Foo'
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 .
Exited with error status 1

Possible Solution

No response

Additional Information/Context

No response

V version

V 0.4.7 b8c649b

Environment details (OS name and version, etc.)

V full version: V 0.4.7 b8c649b
OS: linux, Debian GNU/Linux 11 (bullseye) (VM)
Processor: 1 cpus, 64bit, little endian, Intel(R) Xeon(R) CPU E5-2686 v4 @ 2.30GHz

getwd: /home/admin/playground
vexe: /home/admin/v/v
vexe mtime: 2024-09-07 21:25:27

vroot: OK, value: /home/admin/v
VMODULES: OK, value: .vmodules
VTMP: OK, value: /tmp/v_0

Git version: git version 2.30.2
Git vroot status: Error: fatal: detected dubious ownership in repository at '/home/admin/v'
To add an exception for this directory, call:

	git config --global --add safe.directory /home/admin/v
.git/config present: true

CC version: cc (Debian 10.2.1-6) 10.2.1 20210110
thirdparty/tcc status: Error: fatal: detected dubious ownership in repository at '/home/admin/v/thirdparty/tcc'
To add an exception for this directory, call:

	git config --global --add safe.directory /home/admin/v/thirdparty/tcc
 Error: fatal: detected dubious ownership in repository at '/home/admin/v/thirdparty/tcc'
To add an exception for this directory, call:

	git config --global --add safe.directory /home/admin/v/thirdparty/tcc

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