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design flaw: semantics of loading values with undefined bits

3

Whilst working on #19630, it was suggested by @andrewrk to introduce the semantic rule that when loading a value from a pointer, if any bits are `undefined`, the entire value...

mlugg

"zig run" pollutes debug output with unexpected messages "LLVM Emit Object... LLVM Emit Object... MachO Flush..."

6

### Zig Version 0.12.0-dev.3644+05d975576 ### Steps to Reproduce and Observed Behavior invoke "zig run" on any source file ### Expected Behavior According to "No hidden control flow" principle, it shouldn't...

obask

std/json: add config for enabling trailing commas

3

## Zig Version 0.12.0-dev.3653+e45bdc6bd ## Wanted Feature I was hoping that I'd be able to just enable having trailing commas in the JSON parser by doing something like: ```zig try...

silbinarywolf

Building zig from source on Guix fails at stage3

4

### Zig Version ```console $ ./zig2 version thread 327725 panic: only a few subcommands are supported in a zig2.c build Unable to dump stack trace: debug info stripped Aborted (core...

tribals

assert(@alignof(i16) == 2) fails on 8-bit AVR MCU

2

### Zig Version 0.12.0-dev.3630+215de3ee6 ### Steps to Reproduce and Observed Behavior Trying to build a static lib for an AVR MCU, Atmega328p specifically. The following code ``` const std =...

Noxet

Improve `packed` semantics

7

This is a plan for hammer out the semantics for bit packed types in the Zig language. Let's start with a tiny syntactical change: ## (1) Rename `packed` to `bitpacked`...

ikskuh

`-gdwarf64` does not produce object with 64bit DWARF debug info

1

### Zig Version 0.12.0-dev.3475+71d878ba5 ### Steps to Reproduce and Observed Behavior Run the following build command with a minimal zig file `zig build-obj -gdwarf64 -O Debug -target x86_64-linux example.zig` Example.zig:...

geezmolycos

Proposal: std.interface - better polymorphism support in standard library

7

For new language users from languages with language-level polymorphism support, it's not clear how to achieve polymorphism in Zig. I think it's important in include an easy way to create...

iacore

Arrays of Types in Build Step Options Results in Badly Generated Code

1

### Zig Version 0.12.0-dev.3633+f7a76bdfe ### Steps to Reproduce and Observed Behavior My setup is as follows: ```zig // src/BuildOptions.zig pub const EngineModule = enum { ... }; ``` ```zig //...

edqx

std: add std.options.debug_stacktrace_kind

3

given the following test file we can run it with the various option values. ```zig const std = @import("std"); pub const std_options = std.Options{ .debug_stacktrace_kind = .full, }; pub fn...

nektro