Auto merge of #32811 - alexcrichton:check-lints, r=nrc
rustdoc: Fix testing no_run code blocks
This was a regression introduced by #31250 where the compiler deferred returning
the results of compilation a little too late (after the `Stop` check was looked
at). This commit alters the stop point to first try to return an erroneous
`result` and only if it was successful return the sentinel `Err(0)`.
Auto merge of #32804 - alexcrichton:stabilize-1.9, r=brson
std: Stabilize APIs for the 1.9 release
This commit applies all stabilizations, renamings, and deprecations that the
library team has decided on for the upcoming 1.9 release. All tracking issues
have gone through a cycle-long "final comment period" and the specific APIs
stabilized/deprecated are:
* `std::raw::Slice` - use raw parts of `slice` module instead
* `std::raw::Repr` - use raw parts of `slice` module instead
* `str::char_range_at` - use slicing plus `chars()` plus `len_utf8`
* `str::char_range_at_reverse` - use slicing plus `chars().rev()` plus `len_utf8`
* `str::char_at` - use slicing plus `chars()`
* `str::char_at_reverse` - use slicing plus `chars().rev()`
* `str::slice_shift_char` - use `chars()` plus `Chars::as_str`
* `CommandExt::session_leader` - use `before_exec` instead.
Closes #27719
cc #27751 (deprecating the `Slice` bits)
Closes #27754
Closes #27780
Closes #27809
Closes #27811
Closes #27830
Closes #28050
Closes #29453
Closes #29791
Closes #29935
Closes #30014
Closes #30752
Closes #31262
cc #31398 (still need to deal with `before_exec`)
Closes #31405
Closes #31572
Closes #31755
Closes #31756
Alex Crichton [Thu, 7 Apr 2016 23:47:12 +0000 (16:47 -0700)]
rustdoc: Fix testing no_run code blocks
This was a regression introduced by #31250 where the compiler deferred returning
the results of compilation a little too late (after the `Stop` check was looked
at). This commit alters the stop point to first try to return an erroneous
`result` and only if it was successful return the sentinel `Err(0)`.
Alex Crichton [Thu, 7 Apr 2016 17:42:53 +0000 (10:42 -0700)]
std: Stabilize APIs for the 1.9 release
This commit applies all stabilizations, renamings, and deprecations that the
library team has decided on for the upcoming 1.9 release. All tracking issues
have gone through a cycle-long "final comment period" and the specific APIs
stabilized/deprecated are:
* `std::raw::Slice` - use raw parts of `slice` module instead
* `std::raw::Repr` - use raw parts of `slice` module instead
* `str::char_range_at` - use slicing plus `chars()` plus `len_utf8`
* `str::char_range_at_reverse` - use slicing plus `chars().rev()` plus `len_utf8`
* `str::char_at` - use slicing plus `chars()`
* `str::char_at_reverse` - use slicing plus `chars().rev()`
* `str::slice_shift_char` - use `chars()` plus `Chars::as_str`
* `CommandExt::session_leader` - use `before_exec` instead.
Closes #27719
cc #27751 (deprecating the `Slice` bits)
Closes #27754
Closes #27780
Closes #27809
Closes #27811
Closes #27830
Closes #28050
Closes #29453
Closes #29791
Closes #29935
Closes #30014
Closes #30752
Closes #31262
cc #31398 (still need to deal with `before_exec`)
Closes #31405
Closes #31572
Closes #31755
Closes #31756
Steve Klabnik [Mon, 11 Apr 2016 14:31:28 +0000 (10:31 -0400)]
Rollup merge of #32873 - jethrogb:patch-2, r=steveklabnik
Match signed/unsigned integer type docs
* Copy documentation from signed implementation to unsigned implementation, where necessary.
A few functions had elaborate docs in the signed version but not in the unsigned version. This probably happenned because the signed version is at the top and the author didn't realize they had to update the documentation in both locations.
* Use signed integers in signed documentation, where possible.
Steve Klabnik [Mon, 11 Apr 2016 14:31:27 +0000 (10:31 -0400)]
Rollup merge of #32815 - allonsy:master, r=GuillaumeGomez
Adds data race in docs
Thanks for all your hard work!
This is in reference to #32733
I know there has been a discussion about this on PR #32538 so you are welcome to keep the code as is or merge my documentation in.
Let me know what you think and/or if you want me to modify anything!
* Copy documentation from signed implementation to unsigned implementation, where necessary.
* Use signed integers in signed documentation, where possible.
Auto merge of #32751 - alexcrichton:dist-docs, r=brson
rustbuild: Support cross rust-docs packages
Right now if you configure multiple hosts rustbuild will only build
documentation for the build triple, but we've got all the support necessary to
build documentation for different architectures as well. This commit
reinterprets the `target` field of doc `Step` instances to be the target of the
documentation rather than the target of the rustdoc/tool being run.
This should enable `make dist` to start producing a bunch of `rust-docs`
packages for all the cross architectures that rustbuild is producing now.
Auto merge of #32738 - Aatch:mir-operand-fn-ret, r=arielb1
Handle operand temps for function calls
Previously, all non-void function returns required an on-stack location for the value to be stored to. This code improves translation of function calls so this is no longer necessary.
Auto merge of #32695 - sfackler:default-buf-size, r=alexcrichton
Drop the default buffer size to 8K
The 64k capacity was picked by me a couple of years ago in the initial
implementation of buffered IO adaptors:
https://github.com/rust-lang/rust/pull/9091/files#diff-b131eeef531ad098b32f49695a031008R62.
64K was picked for symmetry with libuv, which we no longer use.
64K is *way* larger than the default size of any other language that I
can find. C, C++, and Java default to 8K, and Go defaults to 4K. There
have been a variety of issues filed relating to this such as #31885.
Rollup merge of #32737 - timonvo:arm-ehabi-backtraces, r=alexcrichton
Fix backtraces on ARM EHABI.
Before this patch, our `rust_eh_personality_catch` routine would cut
backtracing short at the `__rust_try` function, due to it not handling
the `_US_FORCE_UNWIND` bit properly, which is passed by libunwind
implementations on ARM EHABI.
Examples of where the `_US_FORCE_UNWIND` bit is passed to the PR:
- GCC's libunwind: https://github.com/gcc-mirror/gcc/blob/f1717362de1e56fe1ffab540289d7d0c6ed48b20/libgcc/unwind-arm-common.inc#L590
- LLVM's libunwind: https://github.com/llvm-mirror/libunwind/blob/61278584b5c84c422ff5da10f46c3235c54636c9/src/UnwindLevel1-gcc-ext.c#L153
Rollup merge of #32734 - tromey:dwarf-5-DW_LANG_Rust, r=michaelwoerister
Use DWARF 5 value for DW_LANG_Rust
DWARF 5 has assigned a value for `DW_LANG_Rust`. See [the relevant DWARF issue](http://www.dwarfstd.org/ShowIssue.php?issue=140129.1). Although DWARF 5 is not yet released, it seems ok to use this value as both GCC and LLVM are already using other `DW_LANG_` constants assigned in this way.
Rollup merge of #32731 - alexcrichton:known-bootstrap-key, r=brson
mk: Hardcode the bootstrap key for each release
Starting with the 1.10.0 release we would like to bootstrap all compilers from
the previous stable release. For example the 1.10.0 compiler should bootstrap
from the literal 1.9.0 release artifacts. To do this, however, we need a way to
enable unstable features temporarily in a stable compiler (as the released
compiler is stable), but it turns out we already have a way to do that!
At compile time the configure script selects a `CFG_BOOTSTRAP_KEY` variable
value and then exports it into the makefiles. If the `RUSTC_BOOTSTRAP_KEY`
environment variable is set to this value, then the compiler is allowed to
"cheat" and use unstable features.
This method of choosing the bootstrap key, however, is problematic for the
intention of bootstrapping from the previous release. Each time a 1.9.0 compiler
is created, a new bootstrap key will be selected. That means that the 1.10.0
compiler will only compile from *our* literal release artifacts. Instead
distributions would like to bootstrap from their own compilers, so instead we
simply hardcode the bootstrap key for each release.
This patch uses the same `CFG_FILENAME_EXTRA` value (a hash of the release
string) as the bootstrap key. Consequently all 1.9.0 compilers, no matter where
they are compiled, will have the same bootstrap key. Additionally we won't need
to keep updating this as it'll be based on the release number anyway.
Once the 1.9.0 beta has been created, we can update the 1.10.0 nightly sources
(the `master` branch at that time) to bootstrap from that release using this
hard-coded bootstrap key. We will likely just hardcode into the makefiles what
the previous bootstrap key was and we'll change that whenever the stage0
compiler is updated.
Rollup merge of #32729 - pierzchalski:build_helper_suffix, r=alexcrichton
Change build helper to modify suffix
The current implementation of [gcc](https://crates.io/crates/gcc) defaults to using the ```CC``` environment variable to determine the compiler. The current global-find-replace in ```build_helper``` causes issues for projects using tools like ```ccache``` if they try to integrate libstd into their build system.
Almost all cross-compiler toolchains have the tool name as a suffix of the filename, so changing this to suffix-replacement instead of global-replacement should be fine.
Auto merge of #32016 - nikomatsakis:incr-comp-save, r=mw
Save/load incremental compilation dep graph
Contains the code to serialize/deserialize the dep graph to disk between executions. We also hash the item contents and compare to the new hashes. Also includes a unit test harness. There are definitely some known limitations, such as https://github.com/rust-lang/rust/issues/32014 and https://github.com/rust-lang/rust/issues/32015, but I am leaving those for follow-up work.
Note that this PR builds on https://github.com/rust-lang/rust/pull/32007, so the overlapping commits can be excluded from review.
Rollup merge of #32748 - aturon:simplified-spec, r=nikomatsakis
Reinstate fast_reject for overlap checking
The initial implementation of specialization did not use the
`fast_reject` mechanism when checking for overlap, which caused a
serious performance regression in some cases.
This commit modifies the specialization graph to use simplified types
for fast rejection when possible, and along the way refactors the logic
for building the specialization graph.
Rollup merge of #32699 - bluss:slice-memcmp, r=alexcrichton
Specialize equality for [T] and comparison for [u8] to use memcmp when possible
Specialize equality for [T] and comparison for [u8] to use memcmp when possible
Where T is a type that can be compared for equality bytewise, we can use
memcmp. We can also use memcmp for PartialOrd, Ord for [u8].
Use specialization to call memcmp in PartialEq for slices for certain element types. This PR does not change the user visible API since the implementation uses an intermediate trait. See commit messages for more information.
The memcmp signature was changed from `*const i8` to `*const u8` which is in line with how the memcmp function is defined in C (taking const void * arguments, interpreting the values as unsigned bytes for purposes of the comparison).
Rollup merge of #32674 - jseyfried:1422_groundwork, r=nikomatsakis
Lay groundwork for RFC 1422 and improve `PrivateItemsInPublicInterfacesVisitor`
This PR lays groundwork for RFC 1422 (cc #32409) and improves `PrivateItemsInPublicInterfacesVisitor`. More specifically, it
- Refactors away `hir::Visibility::inherit_from`, the semantics of which are obsolete.
- Makes `hir::Visibility` non-`Copy` so that we will be able to add new variants to represent `pub(restricted)` (for example, `Visibility::Restricted(Path)`).
- Adds a new `Copy` type `ty::Visibility` that represents a visibility value, i.e. a characterization of where an item is accessible. This is able to represent `pub(restricted)` visibilities.
- Improves `PrivateItemsInPublicInterfacesVisitor` so that it checks for items in an interface that are less visible than the interface. This fixes #30079 but doesn't change any other behavior.
Michael Neumann [Sat, 2 Apr 2016 17:06:16 +0000 (19:06 +0200)]
Fix libstd on DragonFly
Following changes:
* birthtime does not exist on DragonFly
* errno: __dfly_error is no more. Use #[thread_local] static errno.
* clock_gettime expects a c_ulong (use a type alias)
These changes are required to build DragonFly snapshots again.
Steve Klabnik [Wed, 6 Apr 2016 19:12:08 +0000 (12:12 -0700)]
Rollup merge of #32679 - tclfs:patch-1, r=steveklabnik
Remove error description of `move`
(1) `x` can be used in main() after the call to spawn(). Because the variables follow normal move semantics, though the keyword `move` is used, and i32 implements `Copy`.
(2) I remove this sentence because the previous sentence gives the referrence to `move closures`, and more description of `move` may be redundant.
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