Sema: fix regression in merging error sets

codegen: fix lowering of AIR br instruction

std.Progress: revert to the older strategy

stage2: disable wasm switch test case for now

codegen: fix lowering of AIR return instruction

Liveness: fix br instruction not tracking its operand

stage2: C backend: fix ret AIR instruction

stage2: C backend: implement support for switch_br AIR

stage2: separate work queue item for functions than decls

stage2: switch: fix Sema bugs and implement AIR printing

std.ArrayList: add missing assertion in appendSliceAssumeCapacity

Sema: reimplement runtime switch

Resolve regressions

wasm: Resolve regressions, add intcast support

stage2: fix compile errors in LLVM backend

Get codegen.zig to compile - use '{d}' format for Air.Inst.Index values

Get register_manager.zig tests to compile - use value '1' as mock Air.Inst.Index

Implement switch_br dump

Debug info - Implement more instructions:

stage2: wasm backend: update to latest naming convention

stage2: fix AIR not instruction (see prev commit)

cbe: fix not (it is a ty_op, not un_op)

stage2: update LLVM backend to new AIR memory layout

stage2: ELF linking: avoid crashing for stupidly large functions

Sema: memoize decl_val instructions when result is constant

stage2: rework C backend for new AIR memory layout

plan9 linker: fix after testing

stage2: miscellaneous fixes for the branch

Refactor entire wasm-backend to use new AIR memory layout

Fix wasm-related compile errors:

stage2: codegen.zig updated to new AIR memory layout

stage2: first pass at printing AIR/Liveness to text

Sema: finish reworking for AIR memory layout except switch

Sema: fix implementation of getTypeOf

Sema: AIR memory layout reworking for noreturn instructions

Sema: remove br_block_flat AIR instruction

Sema: more AIR memory layout reworking progress

stage2: remove ZIR instructions bool_and and bool_or

Sema: add a strategy for handling costly source locations

Sema: first pass reworking for AIR memory layout

CLI: add plan9 -ofmt help text

plan9 linker: make more incremental

codegen: add FnResult type which is a Result that removes externally_managed

stage2: compile error fixes for AIR memory layout branch

stage2: Air and Liveness are passed ephemerally

cmake: fix Liveness.zig file path

stage2: first pass over Module.zig for AIR memory layout

stage2: first pass over codegen.zig for AIR memory layout

stage2: update Liveness, SPIR-V for new AIR memory layout

AstGen: remove unneeded field ref_start_index

stage2: update liveness analysis to new AIR memory layout

stage2: rework AIR memory layout

std: remove dead code in std.os.read

Fixed wrong "unable to load" error for non-existing import files

langref: remove incorrect statement on c_void

translate-c: Handle underscore when used as an identifier

fix style warning in json.zig

FIX typo in doc comment for std.math.hypot (#9413)

stage1: Fix OsOther by adding missing OsPlan9

Fix "unused local constant" error

src: return a null-terminated slice

Add std.unicode.fmtUtf16le

parser: require block in suspend expression

Add inotify_rm_watch definition to c/linux.zig

Add NotDir as possible error for os.inotify_add_watch

Fix bigint_shl (#9305)

clarify @bitSizeOf behavior

fix doc comment in translate_c

ci: enable netbsd tarballs

Merge pull request #9365 from ifreund/hash-map-fix

ci: disable netbsd tarballs until the false positives stop

Merge pull request #9360 from lun-4/netbsd-ci-2

Merge pull request #9358 from SpexGuy/remove-owner-bb

Merge pull request #9352 from g-w1/fix-9346

io_uring: add sqe prep methods for epoll_ctl, poll_add, and poll_remove

Rename IrInstSrc to Stage1ZirInst and IrInstGen to Stage1AirInst

stage2 plan9: add aarch64 support

stage1: avoid wasting padding with IR instruction tag

wasi-libc: remove crt1.o as it's not WASI ABI compatible

Fix libc include directories for the MSVC target

Add waitid syscall on linux (#9335)

mingw-w64: add odbc32 and dbghelp def files

Fix argument forwarding to LLVM on Windows

plan9 codegen, add tests

Merge pull request #9105 from g-w1/plan9

Switch rand.DefaultPrng to Xoshiro256++ (#9301)

stage2 type.zig: implement eql of error unions (#9334)

Introduce Zig Test earlier in Language Reference

stage2 astgen: provide 3 more errors for invalid inline assembly

Add support for NO_COLOR

Merge pull request #8494 from mattnite/cbe-wrapping-addition

Merge pull request #9325 from ziglang/stage2-inferred-error-sets

Fix indentation in langref.html.in

Revert "Skip over CRs at the end of multiline literals"

Skip over CRs at the end of multiline literals

Fixed builtin.Target -> std.Target

stage1 parser: update comments to match impl

Merge pull request #9310 from ziglang/stage1-better-hashing

Fix unexpected truncation behavior with comptime_int larger than u64 range (#9303)

stage2: add error note for comparing booleans with '||'