Search results

Assertion failure in Sema

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.

#24940 In ziglang/zig;

· ifreund opened on Aug 21, 2025

· 

0.15.2

Websockets rejecting any fragmented frames with MessageTooBig is problematic

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

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.

#24937 In ziglang/zig;

· scottredig opened on Aug 21, 2025

· 

upcoming

Compile error when assigning and comparing to <code>??u8</code>

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

Status: Open.

#24935 In ziglang/zig;

· uyha opened on Aug 21, 2025

hang inside <code>std.Io.Reader.discardRemaining</code>

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

Status: Open.

#24932 In ziglang/zig;

· Mus-42 opened on Aug 21, 2025

<code>ArrayList</code> is missing <code>insertSliceAssumeCapacity</code> and <code>insertSliceBounded</code>

Status: Open.

#24929 In ziglang/zig;

· jayschwa opened on Aug 20, 2025

Rebuild triggered when building LLVM via zig-bootstrap

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.

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

Status: Open.

#24927 In ziglang/zig;

· myclevorname opened on Aug 20, 2025

· 

0.15.2

wasi-libc updates are on hold in favor of moving implementation code to libzigc

arch-wasm32-bit and 64-bit WebAssembly32-bit and 64-bit WebAssembly

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.

libcIssues related to libzigc and Zig's vendored libc code.Issues related to libzigc and Zig's vendored libc code.

os-wasi

Status: Open.

#24923 In ziglang/zig;

· alexrp opened on Aug 20, 2025

· 

post-1.0

Vector misscompilation under <code>aarch64_be-linux</code> in debug mode

arch-aarch6464-bit ARM64-bit ARM

backend-llvmThe LLVM backend outputs an LLVM IR Module.The LLVM backend outputs an LLVM IR Module.

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.

upstreamAn issue with a third party project that Zig uses.An issue with a third party project that Zig uses.

Status: Open.

#24920 In ziglang/zig;

· GiuseppeCesarano opened on Aug 20, 2025

· 

unplanned

"zig fetch" hang in deflate with specific .tar.gz archive

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.

Status: Open.

#24916 In ziglang/zig;

· bfredl opened on Aug 20, 2025

· 

0.15.2

Can't compile nvptx assembly produced from Zig in Debug mode

arch-nvptxNVIDIA PTXNVIDIA PTX

backend-llvmThe LLVM backend outputs an LLVM IR Module.The LLVM backend outputs an LLVM IR Module.

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

upstreamAn issue with a third party project that Zig uses.An issue with a third party project that Zig uses.

Status: Open.

#24910 In ziglang/zig;

· aikawayataro opened on Aug 19, 2025

· 

unplanned

Proposal: restrict <code>++</code> to allow it to interact with RLS

breakingImplementing this issue could cause existing code to no longer compile or have different behavior.Implementing this issue could cause existing code to no longer compile or have different behavior.

proposalThis issue suggests modifications. If it also has the "accepted" label then it is planned.This issue suggests modifications. If it also has the "accepted" label then it is planned.

Status: Open.

#24908 In ziglang/zig;

· mlugg opened on Aug 19, 2025

· 

urgent

Build.zig: create: debug_stack_frames_count is uninitialized

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

Status: Open.

#24907 In ziglang/zig;

· CorruptedVor opened on Aug 19, 2025