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<code>zig run</code> and <code>zig reduce</code> increase process stack limit

bugObserved behavior contradicts documented or intended behaviorObserved behavior contradicts documented or intended behavior

Status: Open.

#25460 In ziglang/zig;

· RetroDev256 opened on Oct 3, 2025

<code>zig c++ -std=c++23</code> with <code>#include &lt;iostream&gt; + &lt;expected&gt;</code> is broken

bugObserved behavior contradicts documented or intended behaviorObserved behavior contradicts documented or intended behavior

zig ccZig as a drop-in C compiler featureZig as a drop-in C compiler feature

Status: Open.

#25455 In ziglang/zig;

· stackmystack opened on Oct 3, 2025

· 

urgent

different behaviours when using callconv(.c) function

arch-x86_6464-bit x8664-bit x86

backend-self-hosted

bugObserved behavior contradicts documented or intended behaviorObserved behavior contradicts documented or intended behavior

miscompilationThe compiler reports success but produces semantically incorrect code.The compiler reports success but produces semantically incorrect code.

Status: Open.

#25452 In ziglang/zig;

· olafmustafar opened on Oct 3, 2025

zig cc segfaults when using -undefined dynamic_lookup on OSX

bugObserved behavior contradicts documented or intended behaviorObserved behavior contradicts documented or intended behavior

Status: Open.

#25451 In ziglang/zig;

· sabetts opened on Oct 3, 2025

debug: stack capturing now fails in x32 abi executables

arch-x86_6464-bit x8664-bit x86

bugObserved behavior contradicts documented or intended behaviorObserved behavior contradicts documented or intended behavior

regressionIt worked in a previous version of Zig, but stopped working.It worked in a previous version of Zig, but stopped working.

standard libraryThis issue involves writing Zig code for the standard library.This issue involves writing Zig code for the standard library.

Status: Open.

#25447 In ziglang/zig;

· jacobly0 opened on Oct 3, 2025

· 

unplanned

<code>std.MultiArrayList</code> errors with a tuple that containing void

bugObserved behavior contradicts documented or intended behaviorObserved behavior contradicts documented or intended behavior

Status: Open.

#25440 In ziglang/zig;

· youdie323323 opened on Oct 2, 2025

Inconsistent behavior of comptime variable reference with -fstrip

bugObserved behavior contradicts documented or intended behaviorObserved behavior contradicts documented or intended behavior

Status: Open.

#25438 In ziglang/zig;

· iRohith opened on Oct 2, 2025

<code>std.debug.Dwarf</code> should be refactored to not operate on a native CPU context

enhancementSolving this issue will likely involve adding new logic or components to the codebase.Solving this issue will likely involve adding new logic or components to the codebase.

standard libraryThis issue involves writing Zig code for the standard library.This issue involves writing Zig code for the standard library.

Status: Open.

#25436 In ziglang/zig;

· alexrp opened on Oct 2, 2025

· 

urgent

<code>std.debug.dumpStackTrace</code> shows <code>???:?:?:</code> for error return traces when CWD differs from source location

bugObserved behavior contradicts documented or intended behaviorObserved behavior contradicts documented or intended behavior

debug-infoDebug information of binary generated by Zig is not as expected.Debug information of binary generated by Zig is not as expected.

os-macos

regressionIt worked in a previous version of Zig, but stopped working.It worked in a previous version of Zig, but stopped working.

Status: Open.

#25433 In ziglang/zig;

· ityonemo opened on Oct 2, 2025

· 

urgent

Sema passes memset of zero-length array to codegen, triggering assertion

bugObserved behavior contradicts documented or intended behaviorObserved behavior contradicts documented or intended behavior

frontendTokenization, parsing, AstGen, Sema, and Liveness.Tokenization, parsing, AstGen, Sema, and Liveness.

Status: Open.

#25432 In ziglang/zig;

· myclevorname opened on Oct 2, 2025

· 

urgent

translate-c prints to stderr rather than sending error bundle to parent process, resulting in terminal warnings

enhancementSolving this issue will likely involve adding new logic or components to the codebase.Solving this issue will likely involve adding new logic or components to the codebase.

regressionIt worked in a previous version of Zig, but stopped working.It worked in a previous version of Zig, but stopped working.

translate-cC to Zig source translation feature (@cImport)C to Zig source translation feature (@cImport)

Status: Open.

#25431 In ziglang/zig;

· andrewrk opened on Oct 1, 2025

· 

urgent

std.crypto.tls.Client hangs on reading application data

bugObserved behavior contradicts documented or intended behaviorObserved behavior contradicts documented or intended behavior

Status: Open.

#25428 In ziglang/zig;

· Southporter opened on Oct 1, 2025