move coroutine init code to after coro.begin

fix invalid memory write in coroutines implementation

async functions are allowed to accept zig types

add coroutine LLVM passes

coroutines: fix llvm error of instruction not dominating uses

fix handle_is_ptr for promise type

codegen for coro_resume instruction

codegen for coro_free instruction

codegen for coro_end instruction

codegen for coro_suspend instruction

codegen for coro_begin instruction

codegen for coro_alloc_fail instruction

codegen for get_implicit_allocator instruction

codegen for coro_alloc and coro_size instructions

codegen for coro_id instruction

codegen for cancel

codegen for calling an async function

fix type_is_codegen_pointer being used incorrectly

implement Zig IR for async functions

IR analysis for coro.begin

ir analysis for coro_id and coro_alloc

coroutines: analyze get_implicit_allocator instruction

add coroutine startup IR to async functions

implement IR analysis for async function calls

add promise type

parse async fn definitions

parse async fn calls and cancel expressions

add async, await, suspend, resume, cancel keywords

improve std lib linux epoll API

ability to slice an undefined pointer at compile time if the len is 0

add an assert to catch #777

zig fmt supports simple line comments

fix compiler crash when struct contains...

fix crash when doing comptime float rem comptime int

std.zig.parser understands try. zig fmt respects a double line break.

fix sometimes not type checking function parameters

std.zig.parser understands inferred return type and error inference

fix build broken by previous commit

self hosted parser: support string literals

self hosted parser supports builtin fn call with no args

correct doc comment in self hosted parser

zig_llvm.cpp uses new(std::nothrow)

self hosted: add tokenizer test fix eof handling

fix self hosted tokenizer handling of EOF

self hosted parser tests every combination of memory allocation failure

std.heap.ArenaAllocator: fix incorrectly activating safety check

back to malloc instead of aligned_alloc for c_allocator

remove std.heap.IncrementingAllocator

introduce std.heap.ArenaAllocator and std.heap.DirectAllocator

fix exported variable not named in the object file

std: refactor posixOpen to be friendlier to error return traces

std.os and std.io API update

std zig tokenizer: don't require 3 newlines at the end of the source

std lib: modify allocator idiom

fix compiler crash switching on global error with no else

self hosted compiler: move tokenization and parsing to std lib

fix crash with error peer type resolution

appveyor: don't try to build for mingw

Merge pull request #759 from zig-lang/error-sets

Add ArrayList functions (#755)

implement openSelfExe() on darwin (#753)

improve behavior of `zig build` (#754)

format struct pointers as "<typename>@<address>" (#752)

DRY 'is slice?' conditionals in parser (#750)

handle linux returning EINVAL for large writes

handle linux returning EINVAL for large reads

fix test failure, organize code, add new compile error

Merge pull request #743 from bnoordhuis/linux-random

Merge pull request #738 from corngood/cygwin-fixes

add docs for memberType, memberCount, memberName

docs: move source encoding section

add docs recommending to only have 1 cImport

add some docs for reflection

fix assertion fail when using global var number literal

fix error message mentioning unreachable instead of noreturn

add compile error for duplicate struct, enum, union fields

langref: remove page title header

Merge pull request #729 from zig-lang/www-changes

Add IntrusiveLinkedList to index.zig

add compile error for calling naked function

std: fix fn return syntax for zen os

allow packed containers in extern functions

fix crash when align 1 field before self referential...

fix compiler crash on function with invalid return type

Merge pull request #720 from zig-lang/require-return-type

rename "debug safety" to "runtime safety"

cleanups that I meant to put in the previous commit

replace %defer with errdefer

clean up readme

fix printf format specifier

Merge pull request #716 from zig-lang/export-c-additions

docgen: verify internal links

add new kind of test: generating .h files. and more

fix crash on union-enums with only 1 field

appveyor: add language reference to build artifacts

fix crash when switching on enum with 1 field and no switch prongs

remove unused function, fixes mingw build

fix docgen on windows

Merge pull request #711 from zig-lang/fix-build-template

os_rename uses MoveFileEx on windows