CI: update actions/checkout to v4 (#19228)

Sema: perform codegen for anon decl created by `@extern`

Merge pull request #19214 from mlugg/fuck-usingnamespace

Sema: reset block error return trace index between cases

test manifest key checking and other fixes

Merge pull request #19163 from ianic/zlib_no_lookahead

Merge pull request #19190 from mlugg/struct-equivalence

feat: add support for --enable-new-dtags and --disable-new-dtags

grammar: remove gratuitous ambiguity

Sync Aro sources (#19199)

Sema: fix compiler crash `@ptrCast`ing optional slice

cli: add `--rpath` and `-R` linker arg aliases

std.os.linux: enforce null-terminated path arguments

langref now sets color-scheme

Fix doc - Language Reference - Table of Operators

Use the global cache dir for the manifests of generated mingw `.lib`s

Merge pull request #19152 from antlilja/llvm-broken-debug

move `zig objcopy` command to be lazily built

Air: replace `.dbg_inline_*` with `.dbg_inline_block`

Merge pull request #19094 from truemedian/std-http-fields

Merge pull request #19117 from mlugg/dbg-var-blocks

Merge pull request #19136 from squeek502/windows-symlink-path-sep

compiler: audit debug mode checks

typo: http_proxy -> https_proxy

tools: add lldb pretty printer for stage2 inst indices

objcopy: support multiple only sections

macho: correctly find N_GSYM symbols when parsing symbol stabs

LLVM Builder: Fix emission of enum debug enumerator info bitcode

Merge pull request #19121 from Luukdegram/wasm-linker-zigobject

Merge pull request #19126 from ianic/tar_case_sensitive

Merge pull request #19127 from ziglang/export-symbol-names-cache-hash

Merge pull request #19128 from ziglang/tar

build.zig: fix typo in extension exclusion list

Merge pull request #19122 from ziglang/lazy-aro

Merge pull request #19115 from antlilja/llvm-misc

Merge pull request #19114 from ziglang/lazy-resinator

Merge pull request #19120 from jacobly0/os-cleanup

Expand the memcpy fast path in flate.CircularBuffer.writeMatch to allow for overlapping regions.

compress: activate tests in wasm32

Eliminate `error.InvalidHandle` from OpenError and RealPathError

testing.expectFmt() - reuse expectEqualStrings()

std.compress.zstd: enable tests for wasm32

Merge pull request #19102 from ziglang/decouple-zir

Merge pull request #18538 from Pangoraw/wasm_vector_abi

Merge pull request #19087 from squeek502/redundant-test-naming

http: fix fetching a github release

Merge pull request #19062 from mlugg/dbg-var-blocks

Fix tuple default values

Check for inactive union field when calling fn at comptime

Merge pull request #18859 from schmee/switch-union-capture-align

Sema: fix compile error for switching on undefined union

Sema: evaluate generic instantiations in fn decls capture scope

std.http.Server: fix use case of streaming both reading and writing

Merge pull request #19081 from ianic/tar_case_sensitive

change default WASI stack size

Merge pull request #19083 from antlilja/llvm-blockinfo

std.http.Client: fix UAF when handling redirects

AstGen: fix OoB crash on `ast-check -t`

Merge pull request #19080 from jacobly0/llvm-per-mod-strip

Merge pull request #18906 from jacobly0/x86_64-tests

test: rework how filtering works

macho: count rebases for synthetic __objc_selrefs

macho: fix section to segment mapping

macho: actually set SG_READ_ONLY on __DATA_CONST segment

Merge pull request #19077 from Techatrix/http-header-parse

fix crash when calling StackIterator.isValidMemory with emscripten

fix large f128 values being incorrectly parsed as inf

package management: fix regression of printing expected hash

Merge pull request #19074 from antlilja/llvm-debug-loc

std.heap.raw_c_allocator: use malloc_size for resize

llvm: remork memory management in emit

Add pollTimeout for non-blocking/timeout-having polls

Merge pull request #19005 from squeek502/wtf

std: re-enable most of setrlimit test on macos

std.compress.flate: fix typo in function name (#19002)

Revert "tests: add -Dskip-cross-glibc option"

Merge pull request #19031 from antlilja/llvm-bc

std.tar fix assert exploited by fuzzing

change `addCSourceFiles` to use `LazyPath` instead `Dependency` (#19017)

std: fix macos x86_64 to link stat$INODE64

Merge pull request #19064 from ziglang/fix-netname-deleted

fix compilation issues

use @trap instead of system.abort for emscripten

std.hash_map: Fix integer overflow bugs (#19048)

setup PATH_MAX for emscripten

Merge pull request #19053 from ianic/tar_fuzzing2

Merge pull request #18955 from ziglang/std.http.Server

Merge pull request #19034 from ziglang/elf-riscv

std.tar: remove abuse of inline fn

fix crash in tar found by fuzzing

Merge pull request #19032 from ianic/add_buffered_tee

Module: fix `@embedFile` of files containing zero bytes

update root.os.system override to require "system" field, this allows easier overriding of os.heap.page_allocator

std.os.emscripten: fix regression caused by code cleanup in std.os.wasi (Closes #19019)

MachO: fix `calcLoadCommandsSize` computation

Sema: fix peer type resolution for arrays of coercible elements

llvm: fix c abi for structs not passed in registers

c_import: extract behavior tests that use `@cImport`

json: make std.json.stringifyAlloc return a mutable slice (#19013)

Liveness: do not elide safety-checked instructions