Sema: minor cleanup (the second)

Sema: minor cleanup

Zir: simplify '_' prong of 'switch' statements

Sema: evaluate switch items at comptime

wasm: fix getting pointer type instead of error union type for `is_err_ptr`

Sema: better `switch_block_err_union` result location if operand has wrong type

test: add some more switch regression tests

Sema: fix integration with `Io.Threaded`

langref: document new switch features

test: re-enable packed struct field type behavior test

AstGen: Re-allow labeled `break` from loop `else` block targeting its label

test: disable packed struct field type behavior test

Sema: rework `switch_block[_ref/_err_union]` logic

src/Type: make doc comments prettier :)

all: prefer `else => |e| return e,` over `else => return err,`

Sema: enhance comptime `is_non_err` resolution

frontend: rework switch ZIR

Liveness: improve logging

llvm: fix jump table gen for labeled switch with single `else` prong

AstGen: improve ergonomics of `Scope`

AstGen: allow labels to provide separate `break` and `continue` targets

disallow switch case capture discards

Merge pull request '`std.process`: add `PermissionDenied` to `ProtectMemoryError` (for OpenBSD)' (#30781) from alexrp/zig:openbsd-mprotect-immutable into master

build: bump test-libc max_rss to 2_496_066_355

Revert "ci: bump loongarch64-linux timeouts by 1 hour"

ci: temporarily remove riscv64-linux while I investigate its performance issues

Sema: Allow small integer types to coerce to floats

Merge pull request 'libc: use compiler_rt/libzigc for some math functions and add some libc-tests' (#30767) from rpkak/zig:libc-compiler_rt-math into master

crypto: correct checkHostName docs about wildcard matching

std: ignore -fmacro-prefix-map flag when parsing NIX_CFLAGS_COMPILE

fix semantic UAFs in std.Io.Threaded

Merge pull request 'std: move memory locking and memory protection to process' (#30758) from mmap into master

Merge pull request 'libc: use common `ctype.h` implementation' (#30763) from GasInfinity/zig:libc-ascii-ctype into master

Merge pull request 'crypto.scrypt: accept an std.Io parameter instead of direct entropy' (#30738) from jedisct1/zig:scryptfixes into master

Merge pull request 'crypto.ed25519.Signer: get an std.io parameter rather than entropy' (#30736) from jedisct1/zig:edsigned into master

std.c: Make clock_nanosleep available on serenity

`std.Io.Threaded`: Raise specific error when DNS lookup returns no A/AAAA records

std.Io.net: make HostName.validate RFC 1123-compliant

link.Wasm: reserve sufficient capacity for `@tagName` function code

build runner: refactor step evaluation logic

android: detect native ABI and API level correctly

Fix format on uefi guid type, was hitting unreachable

feat(libzigc): add `nan`, `nanf`, `nanl` and `bsearch`

std.Io.Threaded: refactor some error handling

std.Io.Threaded: fix init for single-threaded

std.Io: add doc comments

std.Io: move some decls around

Merge pull request 'std.Io.Threaded: clock_nanosleep is not linux-only' (#30746) from clock_nanosleep into master

std.c.SIG: make it non-exhaustive

Merge pull request 'enable `x86_64-openbsd` CI' (#30733) from alexrp/zig:openbsd-ci into master

std.meta.hasUniqueRepresentation: consider enum tag type

Merge branch "remove many std.posix functions"

ci: skip incremental tests on loongarch64-linux

std.Io.Threaded: correctly initialize PosixAddress/WsaAddress from sockaddr (#30722)

std: find a better home for the "preopens" concept

fix redundant safety checks being emitted for slicing

link.Elf2: fix incorrect expected node length

link.Elf: allow multiple relocs at the same location

compiler-rt: fix f80 ceil/floor optimization

byteSwapAllFieldsAligned: use std.mem.Alignment API (#30724)

feat(libzigc): add `div`, `ldiv`, `lldiv` and `imaxdiv`

Merge pull request 'std.Io: implement entropy (randomness)' (#30709) from random into master

ci: bump loongarch64-linux timeouts by 1 hour

Io.Threaded: fix bad assertion

compiler: recognize and ignore -rpath-link linker option

Merge pull request 'std.Thread: mask all signals before unmapping stack' (#30713) from detached-thread-exit-signal-race into master

feat(libzigc): add `qsort`

compiler: fix build

std.os.emscripten: make emscripten_run_script_string return optional

Merge pull request '`@extern`: add support for SPIR-V locations and descriptors' (#30570) from ashpil/zig:extern-bindings-locations into master

Ast: disallow bit alignment on many-item and C pointers

crypto: correctly disallow non-digits in time

std.crypto: mem.trimLeft -> mem.trimStart

Merge pull request 'enable `powerpc64le-linux` CI' (#30704) from alexrp/zig:powerpc64le into master

ci: bump riscv64-linux timeouts by a further 2 hours

build: bump max_rss for zig exe to 7_900_000_000

build: bump max_rss for test-std on riscv64-linux to 4_052_670_054

build: bump max_rss for test-behavior on riscv64-linux to 827_043_430

Merge pull request 'add OpenBSD libc cross-compilation support' (#30064) from alexrp/zig:openbsd into master

std.crypto.argon2: skip flaky argon2d test

std.crypto.argon2: disable flaky phc format hasher test

Merge pull request 'some CI script improvements' (#30177) from alexrp/zig:ci-stuff into master

ci: update to qemu 10.2.0

Merge pull request 'std: rework atomic file / temp file API' (#30686) from std.Io.File.Atomic into master

netbsd: use correct symbol for lwp_park

std: depend on NtDll rather than advapi32.dll for entropy

standalone tests: Delete all ad hoc TmpDir instances, use the build system instead

Merge pull request 'libc: remove most symbols already present in compiler_rt' (#30648) from mercenary/zig:2879-rt into master

ci: bump riscv64-linux timeouts by 2 hours

std.Io.test: disable flaky recancel test on linux w/o libc

std.Io.test: disable flaky Group.concurrent test on linux w/o libc

openbsd: fix Io.Threaded bitrot

add tls.ExtensionType.quic_transport_parameters = 57

Dwarf: implement pointers to more comptime values

disable flaky test: aarch64-macos stage3/4 nondeterminism check

Merge pull request 'std.Build: adjust temp files API' (#30683) from std.Build-temp into master

std.Io.Threaded: fix Windows env var mapping

std.heap.DebugAllocator: disable already flaky test

Merge pull request 'std: delete `os.environ`, `os.argv`, add new parameter to `main`, move process API to `std.Io`' (#30644) from juice into master

`std.MultiArrayList`: add `*Bounded` variants and `initCapacity`