Merge remote-tracking branch 'origin/master' into stage1-caching

ability to disable cache. off by default except for...

stage1 caching: zig no longer uses zig-cache

caching is working

stage1: always optimize blake and softfloat even in debug mode

`zig id` command

basic compiler id hash working

assume evenly divided base64

start creating a hash of input parameters

stage1: import blake2b implementation

stage1: improve handling of generic fn proto type expr

add compile error for using outer scoped runtime variables

stage1: rename more TypeTableEntry types to ZigType

stage1: rename VariableTableEntry to ZigVar

stage1: rename FnTableEntry to ZigFn

stage1: rename TypeTableEntry to ZigType

add test case for #726

Merge branch 'hcff-floatToIntError'

stage1: fix tagged union with no payloads

stage1 compile error instead of crashing for unsupported comptime ptr cast

stage1: fix build on macos

stage1: fix crash when invalid type used in array type

stage1: fix emit asm with explicit output file

fix compile error on gcc 7.3.0

Merge pull request #1474 from ziglang/issue-1357

stage1: use os_path_resolve instead of os_path_real

port std.os.path.resolve to stage1

compile error for @noInlineCall on an inline fn

ir: consistent error checking for br and cond_br instructions

update throughput test to new File API

add compile error for comptime control flow inside runtime block

fix incorrect variable ref count

fix llvm assertion when adding callsite sret attr

Merge pull request #1441 from ziglang/poly1305-x25519

compile errors for unimplemented minValue/maxValue builtins

fix incorrect value for inline loop

compile error instead of segfault for unimplemented feature

clarify const variables in docs

better anonymous struct naming

ability to @ptrCast to *void

switch most windows calls to use W versions instead of A

use the sret attribute at the callsite when appropriate

Merge branch 'kristate-std-fmt-hexToBytes'

Merge pull request #1460 from ziglang/Sahnvour-windows-coff-issue721

Merge pull request #1454 from kristate/str-hexbytes-issue1453

Merge pull request #1452 from shawnl/patch-1

Merge pull request #1456 from shawnl/inaccurate-comments

Merge pull request #1451 from kristate/fmt-hexbytes-issue1358

Merge pull request #1444 from kristate/winsdk-vercheck-issue1438

Translate-c: Check for error before working on while loop body (#1445)

Merge pull request #1369 from shawnl/crypto

add test coverage for invalid switch expression parameter

add compile error for function prototype with no body

fix crash when var in inline loop has different types

langref: document labeled blocks, labeled for, labeled while

zig fmt

std.zig.parse: fix parsing of doc comments after fields

Merge branch 'raulgrell-CastToCVoid'

Handle unions differently in std.fmt (#1432)

fix @typeInfo unable to distinguish compile error vs no-payload

this was intended to be included in the previous commit

fix false negative determining if function is generic

ir: const_ptr_pointee asserts that its return value is non-null

Revert "src/ir.cpp: check return value of `const_ptr_pointee` to protect against dereferencing null pointers;"

src/ir.cpp: check return value of `const_ptr_pointee` to protect against dereferencing null pointers;

fix llvm assertion failure when building std lib tests for macos

document fixed-width integer types

Merge branch 'tgschultz-patch-3'

Merge pull request #1406 from ziglang/macos-stack-traces

std.debug: remove workaround for fixed bug

fix regression from 2f7f7d815d0c9c4e620c7a529837b5

Merge pull request #1407 from ziglang/builtin-alignment-fix

fix error message for incorrect panic handler fn signature

Merge pull request #1405 from shawnl/path-max

Merge pull request #1402 from ziglang/default-fp-ieee-strict

Merge pull request #1401 from kristate/mem-testWriteIntImpl-u64

fix incorrectly generating an unused const fn global

fixup for previous commit

allow implicit cast from *[N]T to ?[*]T (#1398)

Merge branch 'shawnl-path_max'

Revert "Merge branch 'mtn-translate-c-enum-vals'"

Merge branch 'mtn-translate-c-enum-vals'

Revert "translate-c: Correctly translate enum init values, addressing #1360 (#1377)"

refactor std.os.makePath to use a switch instead of if

std.fmt.format: handle non-pointer struct/union/enum

translate-c: Correctly translate enum init values, addressing #1360 (#1377)

langref: add docs for peer type resolution

Add secureZero function

docs: correct @memcpy, @memset function signatures

Merge pull request #1379 from tgschultz/patch-1

Merge pull request #1378 from prazzb/cmake-fix

Merge pull request #1370 from shawnl/master

Merge pull request #1294 from ziglang/async-fs

Fix ir_analyze_instruction_atomic_rmw (#1351)

mem: use pub on Compare (#1352)

Merge pull request #1338 from shawnl/master

Merge pull request #1346 from shawnl/doc

Merge branch 'mdsteele-threadid'

Merge pull request #1339 from ziglang/zen_stdlib

translate-c: fix for loops with var init and empty body