fix implicit casting return value struct/arary init to optional

fixes for crashes and compile errors

fix comptime variables

fix comptime function calls

Merge remote-tracking branch 'origin/master' into copy-elision-3

remove the final legacy stack allocation

use result loc for ref instruction

fix peer result locations in the face of unreachable

result location semantics for vector to array

result loc semantics for loading packed struct pointer to packed struct

result loc semantics for `@sliceToBytes` and `@bytesToSlice`

result location semantics for cmpxchg

result location semantics for error union wrapping an error

result location semantics for error union wrapping a payload

result location semantics for optional wrap

result location semantics for slices

result location semantics for `@bitCast`

hook up result locations for union initializations

inferred array size of array literals works

Merge remote-tracking branch 'origin/master' into copy-elision-3

result loc semantics for array initialization

remove ResultLocField dead code

result location mechanism for struct initialization

hook up result locs for `try`

hook up peer result locs to orelse keyword

hook up peer result locs to catch

hook up result locs to for loops

hook up peer result locs to while bool and optional

hook up while on error unions with result locations

hook up peer result locs to if optional and if err

fix behavior for peer result locs with one prong unreachable

fix behavior for non sret fn calls

no-copy semantics for peer result function calls

no-copy semantics for switch expressions

fix the rest of the ir_build_alloca_src callsites

no-copy semantics for if optional and if error union

no-copy semantics for for loops

while loops

fix alignment of consts

var types, alignment, and comptime

add missing ir_expr_wrap calls

no-copy semantics for function forwarding

no-copy semantics for function call init var and literal

peer result locations with mixed runtime/comptime

local consts with comptime init exprs

no-copy semantics for nested if

no-copy semantics for if expr

no-copy semantics for basic runtime function call variable init

Merge pull request #2593 from LemonBoy/aarch64-stuff

default struct field initialization expressions

dep tokenizer: run zig fmt and move exports to canonical location

Merge pull request #2182 from mikdusan/issue.2046

update load dynamic library test for std lib changes

Fix fmt.zig handling of slices of slices

std.meta/trait: def/definition => decl/declaration

improve the libc of wasm32-freestanding target

stage1: AstNodes cannot be casted, but are rather accessed via a union.

Correct formatting for multiline string in arrays

Merge branch 'NBonaparte-linuxdynlib'

Merge pull request #2567 from emekoi/fix-dynlib

Merge pull request #2546 from LemonBoy/sigaltstack

run zig fmt to update `use` to `usingnamespace`

zig fmt: fix 2 bugs of mangling source files

change `use` to `usingnamespace`

main: set subsystem in `zig builtin` when explicitly provided

Merge branch 'emekoi-builtin-subsystem'

Merge branch 'LemonBoy-use-struct-pt2'

Merge pull request #2530 from gonzus/gonzus/improve-clang-zig

no "use of undeclared identifer" in dead comptime branches

Reject undefined as type

Warn the user if run/test is paired with emit options

Avoid a crash when there are no namespace components

fix invalid LLVM IR generated for ?*void const casts

link to contributing in readme

extract CONTRIBUTING.md from README.md

Create FUNDING.yml

Move __zig_fail_unwrap locals on stack

Merge branch 'LemonBoy-guard-pages-in-threads'

Merge pull request #2523 from shritesh/wasmdoc

respect subsystem flag in all cases

Merge pull request #2552 from Sahnvour/issue-2543

improve the stack check CLI options

self-hosted translate-c: fix bad memory arena references

Merge pull request #2526 from LemonBoy/arch-format-osx

Merge pull request #2527 from ziglang/posix-layer

allow implicit optional pointer to optional c_void pointer

introduce @hasDecl builtin function

support enum literals implicit casting to tagged unions

std.fmt.parse_float: Fix exponent calculation

ran zig fmt on stdlib

Fix too eager comptime evaluation of error ptr

Use the correct scope for `use`

Merge pull request #2516 from LemonBoy/32bfix

Fix load/store of non-integer fields in packed struct

VDSO calls must use the C CC

stage1 tokenizer: add more missing break statements

Add break after digit_value check in TokenizeStateCharCode

Merge branch 'shawnl-builtins'

docgen: add lib codeblock type and use it for wasm32-freestanding

Merge pull request #2507 from ziglang/wasm-libs