Changes:
````
Fix breakage due to rust-lang/rust#61856
Fix dogfood test
Hash discriminant of lifetime.name
Hash discriminant of Lifetime::Name
Updated tests.
Respond to review comments
Updated test stderr
Added doc comment fixed type printout
Respond to comments and improve printout
Responded to comments and fixed compile bug
Fixed more compile errors
Fix some of the compile errors
Changed Ty to ty, added lifetime 'tcx
Lint for type repetition in trait bounds.
````
r? @Manishearth
Auto merge of #63148 - Centril:rollup-t813bxw, r=Centril
Rollup of 7 pull requests
Successful merges:
- #62293 (Unsupport the `await!(future)` macro)
- #62469 (Add doc links to liballoc crate page)
- #63095 (Turn `INCOMPLETE_FEATURES` into lint)
- #63117 (Use global variable 'environ' to pass environments to rtpSpawn)
- #63123 (`const fn`-ify `std::any::type_name` as laid out in #63084)
- #63129 (Subslice patterns: Test passing static & dynamic semantics.)
- #63147 (Updated RELEASES.md for 1.37.0)
Rollup merge of #63129 - Centril:subslice-pat-statdyn, r=oli-obk
Subslice patterns: Test passing static & dynamic semantics.
Working towards testing coverage for https://github.com/rust-lang/rust/issues/62254.
See https://github.com/rust-lang/rfcs/blob/master/text/2359-subslice-pattern-syntax.md for the RFC.
Rollup merge of #63123 - TankhouseAle:const-fn-type-name-any, r=oli-obk
`const fn`-ify `std::any::type_name` as laid out in #63084
A test, based on the one I added when I implemented support for the underlying `core::intrinsics::type_name` being allowed in `const fn` contexts, is included.
Rollup merge of #63095 - Centril:incomplete-features-lint, r=varkor
Turn `INCOMPLETE_FEATURES` into lint
We do this because it is annoying to see the warning when building rustc and because this is better from a "separation of concerns" POV.
The drawback to this change is that this will respect `--cap-lints`.
Also note that this is not a buffered lint so if there are fatal parser errors then the lint will not trigger.
Igor Matuszewski [Tue, 30 Jul 2019 16:10:52 +0000 (18:10 +0200)]
Enable nightly feature for crossbeam-utils dep
Last two commits bumped rustc-ap-* crates which also transitively
updated rustc_data_structures. That crate enables the "nightly"
whereas Cargo's dep does not hence why we need to unify the features
to deduplicate the artifacts.
Changes:
````
Fix breakage due to rust-lang/rust#61856
Fix dogfood test
Hash discriminant of lifetime.name
Hash discriminant of Lifetime::Name
Updated tests.
Respond to review comments
Updated test stderr
Added doc comment fixed type printout
Respond to comments and improve printout
Responded to comments and fixed compile bug
Fixed more compile errors
Fix some of the compile errors
Changed Ty to ty, added lifetime 'tcx
Lint for type repetition in trait bounds.
````
Auto merge of #62766 - alexcrichton:stabilize-pipelined-compilation, r=oli-obk
rustc: Stabilize options for pipelined compilation
This commit stabilizes options in the compiler necessary for Cargo to
enable "pipelined compilation" by default. The concept of pipelined
compilation, how it's implemented, and what it means for rustc are
documented in #60988. This PR is coupled with a PR against Cargo
(rust-lang/cargo#7143) which updates Cargo's support for pipelined
compliation to rustc, and also enables support by default in Cargo.
(note that the Cargo PR cannot land until this one against rustc lands).
The technical changes performed here were to stabilize the functionality
proposed in #60419 and #60987, the underlying pieces to enable pipelined
compilation support in Cargo. The issues have had some discussion during
stabilization, but the newly stabilized surface area here is:
* A new `--json` flag was added to the compiler.
* The `--json` flag can be passed multiple times.
* The value of the `--json` flag is a comma-separated list of
directives.
* The `--json` flag cannot be combined with `--color`
* The `--json` flag must be combined with `--error-format=json`
* The acceptable list of directives to `--json` are:
* `diagnostic-short` - the `rendered` field of diagnostics will have a
"short" rendering matching `--error-format=short`
* `diagnostic-rendered-ansi` - the `rendered` field of diagnostics
will be colorized with ansi color codes embedded in the string field
* `artifacts` - JSON blobs will be emitted for artifacts being emitted
by the compiler
The unstable `-Z emit-artifact-notifications` and `--json-rendered`
flags have also been removed during this commit as well.
Rollup merge of #63111 - Centril:rest-pat-tests, r=estebank
Add syntactic and semantic tests for rest patterns, i.e. `..`
As per my first note in https://github.com/rust-lang/rust/issues/62254#issuecomment-515784884 this adds syntactic and semantic tests for `..` ("rest") patterns which were implemented in https://github.com/rust-lang/rust/pull/62550.
Rollup merge of #63109 - alexcrichton:disable-windows-fs-test, r=sfackler
std: Fix a failing `fs` test on Windows
In testing 4-core machines on Azure the `realpath_works_tricky` test in
the standard library is failing with "The directory name is invalid". In
attempting to debug this test I was able to reproduce the failure
locally on my machine, and after inspecing the test it I believe is
exploiting Unix-specific behavior that seems to only sometimes work on
Windows. Specifically the test basically executes:
and then asserts that `canonicalize("a/b/c")` and
`canonicalize("a/d/e")` are equivalent to `a/f`. On Windows however the
first symlink is a "directory symlink" and the second is a file symlink.
In both cases, though, they're pointing to files. This means that for
whatever reason locally and on the 4-core environment the call to
`canonicalize` is failing. On Azure today it seems to be passing, and
I'm not entirely sure why. I'm sort of presuming that there's some sort
of internals going on here where there's some global Windows setting
which makes symlinks behavior more unix-like and ignore the directory
hint.
In any case this should keep the test working and also fixes the test
locally for me. It's also worth pointing out that this test was made Windows compatible in https://github.com/rust-lang/rust/pull/31360, a pretty ancient PR at this point.
Rollup merge of #63106 - alexcrichton:remove-swig-osx, r=pietroalbini
ci: Skip installing SWIG/xz on OSX
I'm relatively certain that SWIG was only needed for LLDB which is no
longer built, and I'm hoping we can remove the xz install to remove the
reliance on `brew` for our build (which is another point of failure for
flaky networks).
Rollup merge of #63099 - josephlr:vxworks, r=alexcrichton
vxworks: Remove Linux-specific comments.
It looks like the VxWorks fork inadvertently left in some Linux-specific workaround comments in `libstd`, these can be removed. Came up when looking into #62516
Rollup merge of #63093 - Aaron1011:fix/existential-closure, r=cramertj
Properly check the defining scope of existential types
Fixes #52632
Existential types (soon to be 'impl trait' aliases) can either be
delcared at a top-level crate/module scope, or within another item such
as an fn. Previously, we were handling the second case incorrectly when
recursively searching for defining usages - we would check children of
the item, but not the item itself. This lead to us missing closures
that consituted a defining use of the existential type, as their opaque
type instantiations are stored in the TypeckTables of their parent
function.
This commit ensures that we explicitly visit the defining item itself,
not just its children.
Rollup merge of #63083 - matthewjasper:parameter-hygiene, r=petrochenkov
Make generic parameters always use modern hygiene
* E0263 (lifetime parameter declared twice in the same scope) now compares modernized identifiers.
* Const parameters are now resolved with modern hygiene.
Rollup merge of #61965 - phil-opp:patch-4, r=scottmcm
Remove mentions of removed `offset_to` method from `align_offset` docs
The `offset_to` method was deleted in https://github.com/rust-lang/rust/pull/52814.
The replacement for the removed method is `wrapping_offset_from`. However, neither method takes an `usize` as argument, so I don't think that it makes sense to mention them.
Add a test for std::any::type_name() as a const fn
This is a modified version of the test I added previously. The difference is this version implements a wrapper around std::any::type_name versus core::intrinsics::type_name, in order to show that it works as desired / intended.
Alex Crichton [Mon, 29 Jul 2019 17:37:36 +0000 (10:37 -0700)]
std: Fix a failing `fs` test on Windows
In testing 4-core machines on Azure the `realpath_works_tricky` test in
the standard library is failing with "The directory name is invalid". In
attempting to debug this test I was able to reproduce the failure
locally on my machine, and after inspecing the test it I believe is
exploiting Unix-specific behavior that seems to only sometimes work on
Windows. Specifically the test basically executes:
and then asserts that `canonicalize("a/b/c")` and
`canonicalize("a/d/e")` are equivalent to `a/f`. On Windows however the
first symlink is a "directory symlink" and the second is a file symlink.
In both cases, though, they're pointing to files. This means that for
whatever reason locally and on the 4-core environment the call to
`canonicalize` is failing. On Azure today it seems to be passing, and
I'm not entirely sure why. I'm sort of presuming that there's some sort
of internals going on here where there's some global Windows setting
which makes symlinks behavior more unix-like and ignore the directory
hint.
In any case this should keep the test working and also fixes the test
locally for me.
Alex Crichton [Mon, 29 Jul 2019 14:33:48 +0000 (07:33 -0700)]
ci: Skip installing SWIG/xz on OSX
I'm relatively certain that SWIG was only needed for LLDB which is no
longer built, and I'm hoping we can remove the xz install to remove the
reliance on `brew` for our build (which is another point of failure for
flaky networks).
Auto merge of #63094 - Centril:rollup-lm7peuh, r=Centril
Rollup of 6 pull requests
Successful merges:
- #62809 (rustc: Update wasm32 support for LLVM 9)
- #63055 (Various cleanups to save analysis)
- #63076 (Miri: fix determining size of an "extra function" allocation)
- #63077 (cleanup: Remove some language features related to built-in macros)
- #63086 (Ignore test cases that are not supported by vxWorks)
- #63092 (Update `impl Trait` gate issues)
Rollup merge of #62809 - alexcrichton:wasm-llvm-9, r=nikic
rustc: Update wasm32 support for LLVM 9
This commit brings in a number of minor updates for rustc's support for
the wasm target which has changed in the LLVM 9 update. Notable updates
include:
* The compiler now no longer manually inserts the `producers` section,
instead relying on LLVM to do so. LLVM uses the `llvm.ident` metadata
for the `processed-by` directive (which is now emitted on the wasm
target in this PR) and it uses debuginfo to figure out what `language`
to put in the `producers` section.
* Threaded WebAssembly code now requires different flags to be passed
with LLD. In LLD we now pass:
* `--shared-memory` - required since objects are compiled with
atomics. This also means that the generated memory will be marked as
`shared`.
* `--max-memory=1GB` - required with the `--shared-memory` argument
since shared memories in WebAssembly must have a maximum size. The
1GB number is intended to be a conservative estimate for rustc, but
it should be overridable with `-C link-arg` if necessary.
* `--passive-segments` - this has become the default for multithreaded
memory, but when compiling a threaded module all data segments need
to be marked as passive to ensure they don't re-initialize memory
for each thread. This will also cause LLD to emit a synthetic
function to initialize memory which users will have to arrange to
call.
* The `__heap_base` and `__data_end` globals are explicitly exported
since they're now hidden by default due to the `--export` flags we
pass to LLD.
Aaron Hill [Sun, 28 Jul 2019 21:57:04 +0000 (17:57 -0400)]
Properly check the defining scope of existential types
Fixes #52632
Existential types (soon to be 'impl trait' aliases) can either be
delcared at a top-level crate/module scope, or within another item such
as an fn. Previously, we were handling the second case incorrectly when
recursively searching for defining usages - we would check children of
the item, but not the item itself. This lead to us missing closures
that consituted a defining use of the existential type, as their opaque
type instantiations are stored in the TypeckTables of their parent
function.
This commit ensures that we explicitly visit the defining item itself,
not just its children.
Auto merge of #63090 - Centril:rollup-xnjwm2h, r=Centril
Rollup of 8 pull requests
Successful merges:
- #61856 (Lint attributes on function arguments)
- #62360 (Document that ManuallyDrop::drop should not called more than once)
- #62392 (Update minifier-rs version)
- #62871 (Explicit error message for async recursion.)
- #62995 (Avoid ICE when suggestion span is at Eof)
- #63053 (SystemTime docs: recommend Instant for elapsed time)
- #63081 (tidy: Cleanup the directory whitelist)
- #63088 (Remove anonymous_parameters from unrelated test)
Rollup merge of #63081 - petrochenkov:cleantidy, r=Mark-Simulacrum
tidy: Cleanup the directory whitelist
Some entries were outdated - pre-"llvm-project", pre-"crates.io", pre-"Cargo.toml outside of src".
Some entries were unnecessary - `owning_ref` could be fixed and directories outside of `src` are not visited by tidy at all.
Rollup merge of #62360 - Aaron1011:patch-2, r=RalfJung
Document that ManuallyDrop::drop should not called more than once
Double dropping is unsound (e.g. https://github.com/rust-lang/rust/issues/60977). This commit documents the fact that `ManuallyDrop::drop` should not be called multiple times on the same instance, as it might not be immediately obvious that this counts as a use of uninitialized data.
Changes:
````
ci: temporarily disable rustfmt checks/tetss since it's broken for nightly
rustup https://github.com/rust-lang/rust/pull/62964
Bump version of clippy_dummy
update test stderr, not sure which rustc pull request caused this.
rustup https://github.com/rust-lang/rust/pull/62859
Fix tests for edition 2018 compatibility
Revert "Revert global fmt config and use `rustfmt::skip`"
Fix breakage due to rust-lang/rust#60913
Fix breakage due to rust-lang/rust#62705
Revert global fmt config and use `rustfmt::skip`
Fix fmt
rustup https://github.com/rust-lang/rust/pull/62679/
Update pulldown-cmark to 0.5.3
rustup https://github.com/rust-lang/rust/pull/62764
Add test
Format code
Decrease maximum length for stderr files
Improved imports
Fix "unkown clippy lint" error in UI test.
Corrections for PR review.
Implement lint for inherent to_string() method.
UI Test Cleanup: Extract match_ref_pats tests
Update UI tests
Allow no_effect lint
Remove comment
cargo fmt
UI Test Cleanup: Split up checked_unwrap tests
Removed lintining on never type.
UI Test Cleanup: Split out out_of_bounds_indexing
false positives fixes of `implicit_return`
Ignore generated fresh lifetimes in elision check.
````
Auto merge of #63074 - Centril:rollup-k1a8z0n, r=Centril
Rollup of 8 pull requests
Successful merges:
- #62550 (Implement RFC 2707 + Parser recovery for range patterns)
- #62759 (Actually add rustc-guide to toolstate, don't fail builds for the guide)
- #62806 (Fix few Clippy warnings)
- #62974 (bump crossbeam-epoch dependency)
- #63051 (Avoid ICE when referencing desugared local binding in borrow error)
- #63061 (In which we constantly improve the Vec(Deque) array PartialEq impls)
- #63067 (Add test for issue-50900)
- #63071 (Allow rustbot to add `F-*` + `requires-nightly`.)
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