start the 0.8.2 release branch

Release 0.8.1

libunwind: fix unwinding through libunwind stack frames

CI: update Linux and macOS tarballs to LLVM 12.0.1

std: Use truncating cast in WIFSTOPPED for Linux, FreeBSD and DragonFly

fix merge conflicts for this branch

fix typo

re-enable all the MIPS tests

Don't define valgrind_support on macOS (#9612)

std/ArrayList: Allow `ArrayList(u0)` to be created

stage1: add c_longdouble mapping for s390x

Wasm,libc: fix wasm-ld failure in matching libc symbols.

Use -isysroot on Mojave too

Docs fix array/pointer/slice type coercion section (#9392)

zig: -rdynamic now implies -fdll-export-fns unless the latter is explicitly set.

Fixed compile error: 'bMenu' needs to casted. (#9426)

linux stdlib: fix definition of RW flags (#9428)

std.crypto: handle the top bit in 25519.field.fromBytes64() (#9435)

Correct hasUniqueRepresentation for vectors

std.ArrayList: add missing assertion in appendSliceAssumeCapacity

langref: remove incorrect statement on c_void

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

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 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

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

remove really weird debugging statement from stage1

Link to the GPA now that it's on upstream

CODE_OF_CONDUCT: change Freenode to Libera.chat

stage2: add the zig version to AstGen cache hash

stage2: fix `@asyncCall` parameter count

std/os/uefi: fix packed struct bitfields

Merge pull request #9258 from ziglang/shared-cache-locking

Merge pull request #9148 from marler8997/windowsChildOutput

mark tsan as linguist-vendored

langref: make @setRuntimeSafety more correct

stage1: `@shuffle` type and mask params in comptime scope

Docs clarification: local static variable (#8381)

docs: top level global assembly -> container level

std.crypto.p256: fix neg function compile error

std.os.linux.bpf: fix incorrect usage of unexpectedErrno

mips: fix syscall_pipe

std/build: add --sysroot general option

stage2: add --sysroot link option

zig build: add --libc general option

Bring your own MAX_PATH_BYTES

Merge pull request #9168 from LemonBoy/fix-pie

std: Make copy_file_range checks run at compile-time

stage2 sema: change impl of @setCold to use zirSetCold (typo?)

macho: LC_RPATH: reserve byte for null-terminator

HashMap.getOrPutAssumeCapacityAdapted should set key to undefined (#9138)

AstGen: properly generate errdefer expressions when returning

stage1: Store the specified code model in the LLVM module

Merge pull request #9117 from greenfork/unify-compiler-error-printing

zig cc: improve linker args parsing

stage1: fix zig0 help message

Fix `lakemont` CpuModel (#9099)

netbsd: add more std.os.bits

netbsd: add args to limit number of PT_LOAD segs

fix RISC-V assembly CPU features

std: don't reference non-existant ComptimeStringHashMap type

ci: azure: update to newer msys2 release

std: fix auto hash of tagged union with void field

std.windows: fix `OVERLAPPED`, add `OVERLAPPED_ENTRY`

std: Fix complex ldexp implementation

zig cc: recognize more pie flags

c.zig: fix waitpid() definition

better awareness of unwind tables

Merge pull request #8330 from kivikakk/single-limb-bigint-overflow

std: Fix tanh for negative inputs

zig fmt

stage1: Fix handling of C ABI parameters split in multiple regs

aes 128-bit key expansion test - properly test the inverse round keys (#9065)

Re-enable multiple wasm32 vector tests

CLI: remove --verbose-ast and --verbose-tokenize

native libc detection: respect spaces in CC env var

langref: link to 0.7.1 not 0.7.0 for the previous docs

langref: remove paragraph that mentions IRC

std.math.sqrt_int: fixed odd size integers types

std.Progress: use `*W` functions on windows

libc,macos: update and add missing libc headers

stage1: make `@truncate` to an integer type of different sign an error at comptime too

Limit Fixed Buffer Stream seekTo (#9023)

stage1: fix render_const_value for printing const optional pointers

link: windows: look for more DLL import lib path names

std: Add helpers to safely align pointers

std: Fix some BPF fn definitions

build: Avoid using undefined variables

stage1: Apply the same set of fn attributes everywhere

openbsd: adjust dynamic linker path (#9010)

test: re-enable dragonfly tests

Add zig_llvm-ar.cpp in build.zig

std: Better handing of POLLHUP in ChildProcess (#8988)

compiler-rt: Fix __floatunsitf signature

start the 0.8.1 release branch