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C Error: Pushing Struct &Foo to chan Foo #21031

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heyimtcn opened this issue Mar 15, 2024 · 0 comments · Fixed by #21040
Closed

C Error: Pushing Struct &Foo to chan Foo #21031

heyimtcn opened this issue Mar 15, 2024 · 0 comments · Fixed by #21040
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Bug This tag is applied to issues which reports bugs. Unit: Checker Bugs/feature requests, that are related to the type checker.

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@heyimtcn
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heyimtcn commented Mar 15, 2024

Describe the bug

Pushing a reference of a struct Foo to a channel of type Foo generates a C error

Reproduction Steps

struct Foo {}

fn main() {
    ch := chan Foo{}
    foo := Foo{}
    ch <- &foo
}

Expected Behavior

&Foo being converted to Foo and pushed or V error

Current Behavior

/tmp/v_60000/../../../../../../box/code.v:6: error: cannot convert 'struct main__Foo *' to 'struct main__Foo'
builder error: 
==================
C error. This should never happen.

This is a compiler bug, please report it using `v bug file.v`.

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

Tracked down in V playground

V version

V 0.4.4 eaa4edf

Environment details (OS name and version, etc.)

V full version: V 0.4.4 eaa4edf
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: 2024-03-15 08:23:24

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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@heyimtcn heyimtcn added the Bug This tag is applied to issues which reports bugs. label Mar 15, 2024
@felipensp felipensp added the Unit: Checker Bugs/feature requests, that are related to the type checker. label Mar 16, 2024
@felipensp felipensp self-assigned this Mar 16, 2024
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Labels
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