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global struct with multiple interface array members causes c compiler error: field expected #22300

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daansystems opened this issue Sep 24, 2024 · 1 comment · Fixed by #22350
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Bug This tag is applied to issues which reports bugs. Compiler: TCC Bugs/feature requests, that are related to compiling V programs with TCC. OS: Windows Bugs/feature requests, that are specific to Windows OS. Unit: cgen Bugs/feature requests, that are related to the default C generating backend.

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@daansystems
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daansystems commented Sep 24, 2024

V doctor:

V full version: V 0.4.7 18eee34.e974460
OS: windows, Microsoft Windows 11 Pro v22631 64-bit
Processor: 24 cpus, 64bit, little endian, 

getwd: D:\vbug
vexe: C:\v\v.exe
vexe mtime: 2024-09-24 19:27:43

vroot: OK, value: C:\v
VMODULES: OK, value: C:\Users\info\.vmodules
VTMP: OK, value: C:\Users\info\AppData\Local\Temp\v_0

Git version: git version 2.42.0.windows.2
Git vroot status: weekly.2024.39-6-ge974460b-dirty
.git/config present: true

CC version: Error: 'cc' is not recognized as an internal or external command,

operable program or batch file.


thirdparty/tcc status: thirdparty-windows-amd64 b425ac82

What did you do?
./v -g -o vdbg cmd/v && ./vdbg -enable-globals src\main.v

module main

interface IGameObject {
	mut:
	name string
}

struct Game {
mut:
	objects        []IGameObject
	delete_objects []IGameObject
}

__global (
	game Game
)

fn main() {
	println("game: ${game}")
}

What did you expect to see?

no c compiler error

What did you see instead?

================== C compilation error (from tcc): ==============
cc: C:/Users/info/AppData/Local/Temp/v_0/vbug.01J8JR77KG8QC86TF758D3PS3Z.tmp.c:7084: warning: implicit declaration of function 'tcc_backtrace'
cc: C:/Users/info/AppData/Local/Temp/v_0/vbug.01J8JR77KG8QC86TF758D3PS3Z.tmp.c:13575: error: field expected
... (the original output was 3 lines long, and was truncated to 2 lines)
=================================================================
(You can pass `-cg`, or `-show-c-output` as well, to print all the C error messages).
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 .

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@esquerbatua esquerbatua added the Bug This tag is applied to issues which reports bugs. label Sep 26, 2024
@felipensp
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I see no error on Linux. Still failing on windows?

@felipensp felipensp added the Unit: cgen Bugs/feature requests, that are related to the default C generating backend. label Sep 28, 2024
@felipensp felipensp self-assigned this Sep 28, 2024
@felipensp felipensp added OS: Windows Bugs/feature requests, that are specific to Windows OS. Compiler: TCC Bugs/feature requests, that are related to compiling V programs with TCC. labels Sep 28, 2024
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Labels
Bug This tag is applied to issues which reports bugs. Compiler: TCC Bugs/feature requests, that are related to compiling V programs with TCC. OS: Windows Bugs/feature requests, that are specific to Windows OS. Unit: cgen Bugs/feature requests, that are related to the default C generating backend.
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3 participants