anonymous function at exact same pos and with same signature cause compilation error

[Gladear]

V version: V 0.2.2 0da827f.adffae4
OS: linux, Ubuntu 20.04.2 LTS (WSL 2)

What did you do?
a.v

module main

fn a() int {
        f := fn (i int) int {
                return i
        }
        return f(1)
}

b.v

module main

fn b() int {
        f := fn (i int) int {
                return i
        }
        return f(1)
}

fn main() {
        println(a())
        println(b())
}

What did you expect to see?
Successful compilation

What did you see instead?

==================
/tmp/v/test_project.7116915371345699856.tmp.c:1620: error: redefinition of 'anon_fn_int__int_47'
...
==================
(Use `v -cg` to print the entire error message)

builder error:
==================
C error. This should never happen.

If you were not working with C interop, this is a compiler bug, please report the bug using `v bug file.v`.

https://github.com/vlang/v/issues/new/choose

You can also use #help on Discord: https://discord.gg/vlang

Details

See vlib/v/parser/fn.v