wasm: temporarily save curr file pointer before pwriting on Win

revert part of 945111ae92c28f8ad642a64af4dc83acd3bef4a5

tests: force LLD off for stage2 backends until auto-select deems worthy

test-cases: add missing incremental x86_64-windows test cases

test-cases: enable stage2 tests on Windows

macho+wasm: unify and clean up closing file handles

macho: set file instance in linkOneShot only if not already set

macho: properly close file handles owned by the linker in deinit()

coff: fix tracking of got and import entries; free relocs in update* fns

coff: track globals in contiguous array to allow for tombstones

coff: fix memory leak in incorrectly disposing of globals table

enable testing of x86_64-windows-gnu using self-hosted backend and linker

coff: use more generous initial memory sizes for sections

coff: remove redundant bits and clean up

coff: grow section in virtual address space when required

coff: find new file space for a section (file offsets)

coff: differentiate between file space and VM space for alloc

coff: create a helper for allocating sections

coff: fix writing strtab to PE image file

x86_64: fix SystemV calling convention

test-cases: fix compiler error locations for hello world with updates

coff: mark relocations dirty when target atoms change

coff: fix bug in lowerUnnamedConst

libstd: use windows.GetStdHandle() with stage2_x86_64 backend for now

x86_64: allow for any index register in complex SIB encodings

x86_64: clean up return registers for unspecified cc

x86_64: handle ptr_stack_offset for blocks

x86_64: clean up logging

x86_64: refactor cond_br with canonicaliseBranches helper

x86_64: implement canonicalising branches in switch expression

x86_64: implement Windows x64 calling convention

coff: fix runtime traps

coff: implement lowering unnamed consts

x86_64: add support for Win64/C calling convention

coff: fix contents of IAT, and ensure codegen loads addr into reg

coff: populate import address table dir

coff: create import atoms and matching bindings

coff: add relocation for call_extern

coff: re-enable default entrypoint for Windows

win-ci: add missing ZIGPREFIXPATH variable def

std.simd: change T to u16

build-exe: allow combination of -fno-emit-bin and --verbose-air

translate-c: convert tabs to `\t` in object-like macro string literals

Merge pull request #12736 from alichraghi/patch-2

autodoc: improve rendering of long fn signatures

Merge pull request #12738 from der-teufel-programming/autodoc-opaque-types

autodoc: add support for doc tests

stage2 llvm: implement aarch64 C ABI

Fix #12440: std.math.big.Rational order/orderAbs

llvm: fix the `type` parameter of `GlobalAlias`

Merge pull request #12723 from Vexu/stage2-fixes

zig fmt: don't delete container doc comments

autodoc: fix stage2 compile error

autodoc: fix merge mistake

Merge pull request #12705 from der-teufel-programming/autodoc-big-int

Merge pull request #12709 from der-teufel-programming/autodoc-compare-operators

codeowners: mark myself as the codeowner of /src/autodoc/

autodoc: correct line number implementation

Merge pull request #12724 from alichraghi/patch-2

stage2: fix panic when the dependency is missing

zig fmt: remove trailing comma at the end of assembly clobber

Add AFNOSUPPORT error to bind (#12560)

CI: fix CLI usage of s3cmd regarding mime types for autodocs

langref: tweak description of `[]T` (#12319)

CI: macos: skip non native

CI: fix content type of autodocs source listings

CI: include source listings for autodocs

CI: update_download_page: change docs deployment

CI: namespace manifest json files to avoid clobbering

CI: drone: avoid notify_lavahut task for PRs

coff: add import table definitions

disable test for non-llvm backends

Using `comptime level.asText()` in log example

translate-c: promote large integer macros to unsigned long long if necessary

coff: write base relocations for the dynamic linker

Merge pull request #12687 from Luukdegram/wasm-extern-globals

CI: drone: disable failing tests

std.Thread: fix freeAndExit on x86_64-linux (#12693)

Sema: prevent access of undefined fields

CI: drone: disable failing tests

coff: add base relocation related types

Merge pull request #12686 from Vexu/stage2-fixes

CI: drone: disable failing tests

coff: move Symtab and Strtab out of coff.Coff

Merge pull request #12677 from ziglang/coff-linker

fix aarch64-macos CI build script

Merge pull request #12662 from wsengir/coff-fix

std.rand: make weightedIndex proportions param a const slice

CI: use absolute path for zig lib dir

CI: pass explicit zig lib dir in lots of places

make 'zig build' respect ZIG_LIB_DIR

implement cache environment variables for `zig build`

wasm-lld: set stack size to 1MB by default

Merge pull request #12641 from Luukdegram/wasm-c-types

link: add force_undefined_symbols to cache hash

Merge pull request #12508 from ziglang/cmake-stage3

Merge pull request #12663 from Vexu/stage2-fixes

std.random: add weightedIndex function

ci: fix wrong path when deploying stdlib docs

autodoc: better line counting for decls