bors [Fri, 1 Mar 2019 22:12:27 +0000 (22:12 +0000)]
Auto merge of #58800 - ehuss:update-books, r=Centril
Update edition-guide
15 commits in 419edb885ec1a98c0747b3907003d79e3e6b93a9..5f3cc2a5618700efcde3bc00799744f21fa9ad2e
2018-12-04 16:43:38 -0500 to 2019-02-27 20:11:50 -0800
- Migrate to mdbook 0.2. (rust-lang-nursery/edition-guide#152)
- Remove automatic deployment. (rust-lang-nursery/edition-guide#151)
- Fix issue with rust's linkchecker and mdbook. (rust-lang-nursery/edition-guide#147)
- Fix test now that overflowing_literals is rejected in all editions. (rust-lang-nursery/edition-guide#148)
- overflowing_literals is deny on all editions (rust-lang-nursery/edition-guide#146)
- Update for uniform_path stabilization. (rust-lang-nursery/edition-guide#141)
- Add example to rustup to show overriding to specific version (rust-lang-nursery/edition-guide#144)
- Update for anonymous-lifetime stabilization. (rust-lang-nursery/edition-guide#142)
- Add minimum Rust version for Kleene operator (rust-lang-nursery/edition-guide#137)
- Add 2018-specific changes. (rust-lang-nursery/edition-guide#130)
- aborting-on-panic.md: Typo in example config (rust-lang-nursery/edition-guide#125)
- Clarify uniform paths are not yet in Rust 2018 (rust-lang-nursery/edition-guide#124)
- update several version numbers
- Fixes outdated link (rust-lang-nursery/edition-guide#131)
- Fixed typo in transitioning page. (rust-lang-nursery/edition-guide#127)
Matthew Jasper [Wed, 27 Feb 2019 22:21:49 +0000 (22:21 +0000)]
Handle type annotations in promoted MIR correctly
Type annotations are shared between the MIR of a function and the
promoted constants for that function, so keep them in the type checker
when we check the promoted MIR.
bors [Fri, 1 Mar 2019 10:00:17 +0000 (10:00 +0000)]
Auto merge of #58631 - spastorino:place2_1, r=oli-obk
Put Local, Static and Promoted as one Base variant of Place
Related to #52708
The `Place` 2.0 representation use a `Base` variant for `Local`, `Static` and `Promoted` so we start making this change in the current `Place` to make the following steps simpler.
bors [Fri, 1 Mar 2019 01:22:15 +0000 (01:22 +0000)]
Auto merge of #58408 - alexcrichton:update-llvm, r=michaelwoerister
rustc: Update LLVM, remove dead wasm code
This commit updates the LLVM branch to the rebased version of the
upstream release/8.x branch. This includes a wasm patch which means that
the `rewrite_imports` pass in rustc is no longer needed (yay!) and we
can instead rely on `wasm-import-module`, an attribute we're already
emitting, to take care of all the work.
bors [Thu, 28 Feb 2019 15:00:25 +0000 (15:00 +0000)]
Auto merge of #57760 - dlrobertson:varargs1, r=alexreg
Support defining C compatible variadic functions
## Summary
Add support for defining C compatible variadic functions in unsafe rust with
`extern "C"` according to [RFC 2137].
## Details
### Parsing
When parsing a user defined function that is `unsafe` and `extern "C"` allow
variadic signatures and inject a "spoofed" `VaList` in the new functions
signature. This allows the user to interact with the variadic arguments via a
`VaList` instead of manually using `va_start` and `va_end` (See [RFC 2137] for
details).
### Codegen
When running codegen for a variadic function, remove the "spoofed" `VaList`
from the function signature and inject `va_start` when the arg local
references are created for the function and `va_end` on return.
## TODO
- [x] Get feedback on injecting `va_start/va_end` in MIR vs codegen
- [x] Properly inject `va_end` - It seems like it should be possible to inject
`va_end` on the `TerminatorKind::Return`. I just need to figure out how
to get the `LocalRef` here.
- [x] Properly call Rust defined C variadic functions in Rust - The spoofed
`VaList` causes problems here.
Alex Crichton [Wed, 27 Feb 2019 16:03:54 +0000 (08:03 -0800)]
Whitelist containers that allow older toolchains
We'll use this as a temporary measure to get an LLVM update landed, but
we'll have to go through and update images later to make sure they've
got the right toolchains.
Dan Robertson [Fri, 8 Feb 2019 17:30:42 +0000 (17:30 +0000)]
Rename variadic to c_variadic
Function signatures with the `variadic` member set are actually
C-variadic functions. Make this a little more explicit by renaming the
`variadic` boolean value, `c_variadic`.
Dan Robertson [Sat, 2 Feb 2019 16:34:09 +0000 (16:34 +0000)]
Refactor FunctionCx::codgen_terminator
- Move closures defined in codegen_terminator into a separate helper
structure and implementation.
- Create helper functions for each of the complex match arms on the
terminators kind in codegen_terminator.
Rollup merge of #58746 - ipetkov:std-process-docs, r=cramertj
std: docs: Disable running several Stdio doctests
* A number of `Stdio` related doc examples include running the "rev"
command to illustrate piping commands. The majority of these tests are
marked as `no_run` except for two tests which were not
* Not running these tests is unlikely to cause any negative impact, and
doing so also allows the test suite to pass in environments where the
"rev" command is unavailable
I didn't add a test, because there's currently no standard lang test feature and I felt apprehensive about adding a permanently unstable feature. Instead, a shared lang/lib feature will be used in https://github.com/rust-lang/rust/pull/57760 and will essentially provide an immediately test.
bors [Tue, 26 Feb 2019 18:26:35 +0000 (18:26 +0000)]
Auto merge of #58675 - gnzlbg:usimd, r=alexcrichton
Update stdsimd
This updates stdsimd to a Rust2015 / Rust2018 compatible version. Once this is merged it should be possible to migrate libcore and libstd to Rust2018. Once that happens, we can just require the 2018 edition in stdsimd.
Alex Crichton [Tue, 12 Feb 2019 18:20:34 +0000 (10:20 -0800)]
rustc: Update LLVM, remove dead wasm code
This commit updates the LLVM branch to the rebased version of the
upstream release/8.x branch. This includes a wasm patch which means that
the `rewrite_imports` pass in rustc is no longer needed (yay!) and we
can instead rely on `wasm-import-module`, an attribute we're already
emitting, to take care of all the work.
Ivan Petkov [Tue, 26 Feb 2019 03:49:49 +0000 (19:49 -0800)]
Disable running several Stdio doctests
* A number of `Stdio` related doc examples include running the "rev"
command to illustrate piping commands. The majority of these tests are
marked as `no_run` except for two tests which were not
* Not running these tests is unlikely to cause any negative impact, and
doing so also allows the test suite to pass in environments where the
"rev" command is unavailable
bors [Mon, 25 Feb 2019 23:23:09 +0000 (23:23 +0000)]
Auto merge of #57367 - petrochenkov:unrestab, r=Centril
Stabilize `unrestricted_attribute_tokens`
In accordance with a plan described in https://internals.rust-lang.org/t/unrestricted-attribute-tokens-feature-status/8561/3.
Delimited non-macro non-builtin attributes now support the same syntax as macro attributes:
```
PATH
PATH `(` TOKEN_STREAM `)`
PATH `[` TOKEN_STREAM `]`
PATH `{` TOKEN_STREAM `}`
```
Such attributes mostly serve as inert proc macro helpers or tool attributes.
To some extent these attributes are de-facto stable due to a hole in feature gate checking (feature gating is done too late - after macro expansion.)
So if macro *removes* such helper attributes during expansion (and it must remove them, unless it's a derive macro), then the code will work on stable.
Key-value non-macro non-builtin attributes are now restricted to bare minimum required to support what we support on stable - unsuffixed literals (https://github.com/rust-lang/rust/issues/34981).
```
PATH `=` LITERAL
```
(Key-value macro attributes are not supported at all right now.)
Crater run in https://github.com/rust-lang/rust/pull/57321 found no regressions for this change.
There are multiple possible ways to extend key-value attributes (https://github.com/rust-lang/rust/pull/57321#issuecomment-451574065), but I'd expect an RFC for that and it's not a pressing enough issue to block stabilization of delimited attributes.
Built-in attributes are still restricted to the "classic" meta-item syntax, nothing changes here.
https://github.com/rust-lang/rust/pull/57321 goes further and adds some additional restrictions (more consistent input checking) to built-in attributes.
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