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compiler_rt missing __gnu_thumb1_case_shi

arch-arm32-bit Arm32-bit Arm

compiler-rt

contributor friendlyThis issue is limited in scope and/or knowledge of Zig internals.This issue is limited in scope and/or knowledge of Zig internals.

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.

Status: Open.

#24558 In ziglang/zig;

· haydenridd opened on Jul 23, 2025

Thread.Pool.spawn doesn't allow functions with same signatures as Thread.spawn does

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

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

Status: Open.

#18810 In ziglang/zig;

· pedramcode opened on Feb 4, 2024

Unclear error message when passing wrong type to allocator.free

error messageThis issue points out an error message that is unhelpful and should be improved.This issue points out an error message that is unhelpful and should be improved.

Status: Open.

#14492 In ziglang/zig;

· Jarred-Sumner opened on Jan 30, 2023

build.zig dependencies: support url mirrors

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.

zig build systemstd.Build, the build runner, `zig build` subcommand, package managementstd.Build, the build runner, `zig build` subcommand, package management

Status: Open.

#14291 In ziglang/zig;

· andrewrk opened on Jan 13, 2023

ability to specify additional build dependency mirrors that affect any package in the full dependency tree

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.

zig build systemstd.Build, the build runner, `zig build` subcommand, package managementstd.Build, the build runner, `zig build` subcommand, package management

Status: Open.

#14292 In ziglang/zig;

· andrewrk opened on Jan 13, 2023

ability to fetch dependencies via git+ssh protocol

contributor friendlyThis issue is limited in scope and/or knowledge of Zig internals.This issue is limited in scope and/or knowledge of Zig internals.

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.

zig build systemstd.Build, the build runner, `zig build` subcommand, package managementstd.Build, the build runner, `zig build` subcommand, package management

Status: Open.

#14295 In ziglang/zig;

· andrewrk opened on Jan 13, 2023

Documentation for 'align' Does Not Include Bitfield Alignment

contributor friendlyThis issue is limited in scope and/or knowledge of Zig internals.This issue is limited in scope and/or knowledge of Zig internals.

docs

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.

Status: Open.

#14361 In ziglang/zig;

· nsmryan opened on Jan 18, 2023

Self hosted emitting much more machine code in final binary (freestanding)

optimization

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

Status: Open.

#13421 In ziglang/zig;

· NerdySouth opened on Nov 3, 2022

building wasm - zig build-lib file.c produces no result while zig translate-c file.c and zig build-lib file.zig does

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

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

Status: Open.

#13509 In ziglang/zig;

· kfessel opened on Nov 10, 2022

[zig cc] Inconsistencies choosing between static and dynamic library when both are available

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

Status: Open.

#14111 In ziglang/zig;

· jvolkman opened on Dec 29, 2022

compiler: header file generated by zig build-lib -femit-h includes zig.h

Status: Open.

#14381 In ziglang/zig;

· perillo opened on Jan 19, 2023

Type mismatched when a function returns a generic function

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

Status: Open.

#14540 In ziglang/zig;

· e0328eric opened on Feb 4, 2023

unreachable error on bitcasting packed struct

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

Status: Open.

#14578 In ziglang/zig;

· tauoverpi opened on Feb 6, 2023

zig relies too much on /usr/bin/env to detect dynamic-linker path

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

os-linuxLinuxLinux

zig build systemstd.Build, the build runner, `zig build` subcommand, package managementstd.Build, the build runner, `zig build` subcommand, package management

Status: Open.

#14577 In ziglang/zig;

· mikdusan opened on Feb 6, 2023

zig env: lib_dir and std_dir are relative paths in stage2, stage3 and stage4

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

Status: Open.

#14439 In ziglang/zig;

· perillo opened on Jan 24, 2023

langref: mark unsafe builtin functions

docs

Status: Open.

#14543 In ziglang/zig;

· perillo opened on Feb 4, 2023

stage2/lllvm: panic in lowering maxInt(usize) slice end

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

Status: Open.

#14627 In ziglang/zig;

· nektro opened on Feb 12, 2023

@Type(@typeInfo(c_int)) != c_int

docs

Status: Open.

#14650 In ziglang/zig;

· DerryAlex opened on Feb 15, 2023

use a declarative table for CLI linker argument parsing

contributor friendlyThis issue is limited in scope and/or knowledge of Zig internals.This issue is limited in scope and/or knowledge of Zig internals.

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.

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

Status: Open.

#14663 In ziglang/zig;

· andrewrk opened on Feb 17, 2023

Segmentation fault compiling Zig struct with multiple fields with default values

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

Status: Open.

#14683 In ziglang/zig;

· amp-59 opened on Feb 20, 2023

Incorrect error message when using continue with a return value

error messageThis issue points out an error message that is unhelpful and should be improved.This issue points out an error message that is unhelpful and should be improved.

Status: Open.

#14687 In ziglang/zig;

· perillo opened on Feb 20, 2023

Returning reference to union field at comptime crashes compiler

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.

#14724 In ziglang/zig;

· silversquirl opened on Feb 24, 2023

Confusing error message if you try to use a reversed range with "for" with comptime-known values

error messageThis issue points out an error message that is unhelpful and should be improved.This issue points out an error message that is unhelpful and should be improved.

Status: Open.

#14758 In ziglang/zig;

· mitchellh opened on Mar 2, 2023

Error message column indicator points to the incorrect part of the line when using @as when @intCast was necessary

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

Status: Open.

#14803 In ziglang/zig;

· kcbanner opened on Mar 5, 2023

Show error return trace whenever catch block reaches unreachable

error messageThis issue points out an error message that is unhelpful and should be improved.This issue points out an error message that is unhelpful and should be improved.

Status: Open.

#14807 In ziglang/zig;

· codethief opened on Mar 5, 2023