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V compiler bug

BugThis tag is applied to issues which reports bugs.This tag is applied to issues which reports bugs.

Status: Open.

#25913 In vlang/v;

· Freeboardtortoise opened on Dec 6, 2025

Call to unwrapped <code>?&amp;Fn</code> fails in if guard and iterator loops

BugThis tag is applied to issues which reports bugs.This tag is applied to issues which reports bugs.

Status: ConfirmedThis bug has been confirmed to be valid by a contributor.This bug has been confirmed to be valid by a contributor.

Unit: cgenBugs/feature requests, that are related to the default C generating backend.Bugs/feature requests, that are related to the default C generating backend.

Status: Open.

Bug

#25911 In vlang/v;

· wenxuanjun opened on Dec 6, 2025

Undefined type in global []?T bypasses type checker

BugThis tag is applied to issues which reports bugs.This tag is applied to issues which reports bugs.

Status: Open.

Bug

#25910 In vlang/v;

· wenxuanjun opened on Dec 6, 2025

C error array of incomplete type when using fixed-size array of optional interface/sumtype

BugThis tag is applied to issues which reports bugs.This tag is applied to issues which reports bugs.

Status: Open.

Bug

#25909 In vlang/v;

· wenxuanjun opened on Dec 6, 2025

checker: enum can take function as init if cast to int

BugThis tag is applied to issues which reports bugs.This tag is applied to issues which reports bugs.

Status: Open.

Bug

#25908 In vlang/v;

· dy-tea opened on Dec 5, 2025

array pass to variadic fn C error

BugThis tag is applied to issues which reports bugs.This tag is applied to issues which reports bugs.

Status: ConfirmedThis bug has been confirmed to be valid by a contributor.This bug has been confirmed to be valid by a contributor.

Status: Open.

Bug

#25898 In vlang/v;

· kitech opened on Dec 5, 2025

[v fmt] Format line break unclear

BugThis tag is applied to issues which reports bugs.This tag is applied to issues which reports bugs.

Status: Open.

Bug

#25883 In vlang/v;

· Avey777 opened on Dec 3, 2025

[ORM] C compilation error

BugThis tag is applied to issues which reports bugs.This tag is applied to issues which reports bugs.

Status: Open.

Bug

#25882 In vlang/v;

· Avey777 opened on Dec 3, 2025

[ORM] cgen error: ORM: v.ast.IfExpr is not supported

BugThis tag is applied to issues which reports bugs.This tag is applied to issues which reports bugs.

Status: Open.

Bug

#25877 In vlang/v;

· Avey777 opened on Dec 2, 2025

Misleading or wrong error message in UTF-8 byte sequence verification

BugThis tag is applied to issues which reports bugs.This tag is applied to issues which reports bugs.

Status: Open.

Bug

#25874 In vlang/v;

· mike-ward opened on Dec 1, 2025

cgen error, likely related to empty interface

BugThis tag is applied to issues which reports bugs.This tag is applied to issues which reports bugs.

Status: ConfirmedThis bug has been confirmed to be valid by a contributor.This bug has been confirmed to be valid by a contributor.

Unit: cgenBugs/feature requests, that are related to the default C generating backend.Bugs/feature requests, that are related to the default C generating backend.

Status: Open.

Bug

#25872 In vlang/v;

· einar-hjortdal opened on Dec 1, 2025

<code>t as Type</code> Option unwrapping causes C error with <code>mut</code> struct fields

BugThis tag is applied to issues which reports bugs.This tag is applied to issues which reports bugs.

Status: ConfirmedThis bug has been confirmed to be valid by a contributor.This bug has been confirmed to be valid by a contributor.

Unit: CheckerBugs/feature requests, that are related to the type checker.Bugs/feature requests, that are related to the type checker.

Status: Open.

Bug

#25861 In vlang/v;

· gechandesu opened on Nov 30, 2025