| Age | Commit message (Collapse) | Author | Lines |
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Move some UI tests into subdirectories
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LIBPATH is used as dylib's path environment variable on AIX
See https://4js.com/online_documentation/fjs-fgl-3.00.05-manual-html/c_fgl_installation_017.html.
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to avoid going over the existing limit now that the ui-fulldeps tests have
been moved to ui.
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Initial support for return type notation (RTN)
See: https://smallcultfollowing.com/babysteps/blog/2023/02/13/return-type-notation-send-bounds-part-2/
1. Only supports `T: Trait<method(): Send>` style bounds, not `<T as Trait>::method(): Send`. Checking validity and injecting an implicit binder for all of the late-bound method generics is harder to do for the latter.
* I'd add this in a follow-up.
3. ~Doesn't support RTN in general type position, i.e. no `let x: <T as Trait>::method() = ...`~
* I don't think we actually want this.
5. Doesn't add syntax for "eliding" the function args -- i.e. for now, we write `method(): Send` instead of `method(..): Send`.
* May be a hazard if we try to add it in the future. I'll probably add it in a follow-up later, with a structured suggestion to change `method()` to `method(..)` once we add it.
7. ~I'm not in love with the feature gate name 😺~
* I renamed it to `return_type_notation` :heavy_check_mark:
Follow-up PRs will probably add support for `where T::method(): Send` bounds. I'm not sure if we ever want to support return-type-notation in arbitrary type positions. I may also make the bounds require `..` in the args list later.
r? `@ghost`
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Insert alignment checks for pointer dereferences when debug assertions are enabled
Closes https://github.com/rust-lang/rust/issues/54915
- [x] Jake tells me this sounds like a place to use `MirPatch`, but I can't figure out how to insert a new basic block with a new terminator in the middle of an existing basic block, using `MirPatch`. (if nobody else backs up this point I'm checking this as "not actually a good idea" because the code looks pretty clean to me after rearranging it a bit)
- [x] Using `CastKind::PointerExposeAddress` is definitely wrong, we don't want to expose. Calling a function to get the pointer address seems quite excessive. ~I'll see if I can add a new `CastKind`.~ `CastKind::Transmute` to the rescue!
- [x] Implement a more helpful panic message like slice bounds checking.
r? `@oli-obk`
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Rollup of 7 pull requests
Successful merges:
- #106985 (Enhanced doucmentation of binary search methods for `slice` and `VecDeque` for unsorted instances)
- #109509 (compiletest: Don't allow tests with overlapping prefix names)
- #109719 (RELEASES: Add "Only support Android NDK 25 or newer" to 1.68.0)
- #109748 (Don't ICE on `DiscriminantKind` projection in new solver)
- #109749 (Canonicalize float var as float in new solver)
- #109761 (Drop binutils on powerpc-unknown-freebsd)
- #109766 (Fix title for openharmony.md)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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compiletest: Don't allow tests with overlapping prefix names
Some tests will delete their output directory before starting. The output directory is based on the test names. If one test is the prefix of another test, then when that test starts, it could try to delete the output directory of the other test with the longer path, or otherwise clash with it while the two tests are trying to create/delete/modify the same directory.
In practice, this manifested as a random error on macOS where two tests were trying to create/delete/create `rustdoc/primitive` and `rustdoc/primitive/no_std`, which resulted in an EINVAL (InvalidInput) error.
This renames some of the offending tests, adds `compiletest-ignore-dir` to prevent compiletest from processing some files, and adds a check to prevent this from happening in the future.
Fixes #109397
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Move items not part of this stabilization to 'lazy_cell' or 'once_cell_try'
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Rollup of 9 pull requests
Successful merges:
- #108548 (Clarify the 'use a constant in a pattern' error message)
- #109565 (Improve documentation for E0223)
- #109661 (Fix LVI test post LLVM 16 update)
- #109667 (Always set `RUSTC_BOOTSTRAP` with `x doc`)
- #109669 (Update books)
- #109678 (Don't shadow the `dep_node` var in `incremental_verify_ich_failed`)
- #109682 (Add `#[inline]` to CStr trait implementations)
- #109685 (Make doc comment a little bit more accurate)
- #109687 (Document the heuristics IsTerminal uses on Windows)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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Clarify the 'use a constant in a pattern' error message
```rs
use std::borrow::Cow;
const ERROR_CODE: Cow<'_, str> = Cow::Borrowed("23505");
fn main() {
let x = Cow::from("23505");
match x {
ERROR_CODE => {}
}
}
```
```
error: to use a constant of type `Cow` in a pattern, `Cow` must be annotated with `#[derive(PartialEq, Eq)]`
--> src/main.rs:9:9
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9 | ERROR_CODE => {}
| ^^^^^^^^^^
error: could not compile `playground` due to previous error
```
It seems helpful to link to StructuralEq in this message. I was a little confused, because `Cow<'_, str>` implements PartialEq and Eq, but they're not derived, which I learned is necessary for structural equality and using constants in patterns (thanks to the Rust community Discord server)
For tests, should I update every occurrence of this message? I see tests where this is still a warning and I'm not sure if I should update those.
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[rust-installer] Allow long link names in tar files
Without this, users trying to run `x.py dist` under a sufficiently long path run into problems when we build the resulting tarballs due to length limits in the original tar spec. The error looks like:
Finished release [optimized + debuginfo] target(s) in 0.34s
Copying stage0 std from stage0 (x86_64-unknown-linux-gnu -> x86_64-unknown-linux-gnu / x86_64-unknown-linux-musl)
Building stage0 tool rust-installer (x86_64-unknown-linux-gnu)
Finished release [optimized] target(s) in 0.35s
Dist rust-std-1.67.1-x86_64-unknown-linux-musl
Error: failed to generate installer
Caused by:
0: failed to tar file '/home/AAAAAAAAAAAAAA/BBBBBB/CCCC/DDD/EEEEE/FFFFFFFFFFFF/GGGGGGGGGGGGGGGG/HHHHHHHHHH/IIIIIIIIIIIIIII/JJJJJ/KKKKKKK/src/build/tmp/tarball/rust-std/x86_64-unknown-linux-musl/rust-std-1.67.1-x86_64-unknown-linux-musl/rust-std-x86_64-unknown-linux-musl/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/libc.a'
1: provided value is too long when setting link name for
Build completed unsuccessfully in 0:00:03
The fix is to make use of the widely-supported GNU tar extensions which lift this restriction. Switching to [`tar::Builder::append_link`] takes care of that for us. See also alexcrichton/tar-rs#273.
[`tar::Builder::append_link`]: https://docs.rs/tar/0.4.38/tar/struct.Builder.html#method.append_link
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Don't skip all directories when tidy-checking
This fixes a regression from https://github.com/rust-lang/rust/pull/108772 which basically made it that tidy style checks only `README.md` and `COMPILER_TESTS.md`.
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Allow passing the --nocapture flag to compiletest
closes #109407
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Remove the `NodeId` of `ast::ExprKind::Async`
This is a followup to https://github.com/rust-lang/rust/pull/104833#pullrequestreview-1314537416.
In my original attempt, I was using `LoweringContext::expr`, which was not correct as it creates a fresh `DefId`.
It now uses the correct `DefId` for the wrapping `Expr`, and also makes forwarding `#[track_caller]` attributes more explicit.
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Update cargo
9 commits in 15d090969743630bff549a1b068bcaa8174e5ee3..145219a9f089f8b57c09f40525374fbade1e34ae 2023-03-21 17:54:28 +0000 to 2023-03-27 01:56:36 +0000
- doc(contrib): missing quotation mark (rust-lang/cargo#11894)
- Update changelog for 1.68.2 (rust-lang/cargo#11893)
- Add the old github keys as revoked (rust-lang/cargo#11889)
- Update proptest (rust-lang/cargo#11886)
- Added new GitHub RSA Host Key (rust-lang/cargo#11883)
- doc: Fix registries.name.index for sparse (rust-lang/cargo#11880)
- docs(contrib): Replace architecture with redirects (rust-lang/cargo#11876)
- docs: fix typos in `cargo_compile/mod.rs` (rust-lang/cargo#11874)
- docs(contrub): Remove unused file (rust-lang/cargo#11873)
r? `@ghost`
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9 commits in 15d090969743630bff549a1b068bcaa8174e5ee3..145219a9f089f8b57c09f40525374fbade1e34ae
2023-03-21 17:54:28 +0000 to 2023-03-27 01:56:36 +0000
- doc(contrib): missing quotation mark (rust-lang/cargo#11894)
- Update changelog for 1.68.2 (rust-lang/cargo#11893)
- Add the old github keys as revoked (rust-lang/cargo#11889)
- Update proptest (rust-lang/cargo#11886)
- Added new GitHub RSA Host Key (rust-lang/cargo#11883)
- doc: Fix registries.name.index for sparse (rust-lang/cargo#11880)
- docs(contrib): Replace architecture with redirects (rust-lang/cargo#11876)
- docs: fix typos in `cargo_compile/mod.rs` (rust-lang/cargo#11874)
- docs(contrub): Remove unused file (rust-lang/cargo#11873)
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miri: fix raw pointer dyn receivers
r? `@oli-obk`
Fixes https://github.com/rust-lang/miri/issues/2786
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Without this, users trying to run `x.py dist` under a sufficiently long
path run into problems when we build the resulting tarballs due to
length limits in the original tar spec. The error looks like:
Finished release [optimized + debuginfo] target(s) in 0.34s
Copying stage0 std from stage0 (x86_64-unknown-linux-gnu -> x86_64-unknown-linux-gnu / x86_64-unknown-linux-musl)
Building stage0 tool rust-installer (x86_64-unknown-linux-gnu)
Finished release [optimized] target(s) in 0.35s
Dist rust-std-1.67.1-x86_64-unknown-linux-musl
Error: failed to generate installer
Caused by:
0: failed to tar file '/home/AAAAAAAAAAAAAA/BBBBBB/CCCC/DDD/EEEEE/FFFFFFFFFFFF/GGGGGGGGGGGGGGGG/HHHHHHHHHH/IIIIIIIIIIIIIII/JJJJJ/KKKKKKK/src/build/tmp/tarball/rust-std/x86_64-unknown-linux-musl/rust-std-1.67.1-x86_64-unknown-linux-musl/rust-std-x86_64-unknown-linux-musl/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/libc.a'
1: provided value is too long when setting link name for
Build completed unsuccessfully in 0:00:03
The fix is to make use of the widely-supported GNU tar extensions which
lift this restriction. Switching to [`tar::Builder::append_link`] takes
care of that for us. See also alexcrichton/tar-rs#273.
[`tar::Builder::append_link`]: https://docs.rs/tar/0.4.38/tar/struct.Builder.html#method.append_link
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Update Clippy
r? `@Manishearth`
One day late, sorry :neutral_face:
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Shrink unicode case-mapping LUTs by 24k
I was looking into the binary bloat of a small program using `str::to_lowercase` and `str::to_uppercase`, and noticed that the lookup tables used for case mapping had a lot of zero-bytes in them. The reason for this is that since some characters map to up to three other characters when lower or uppercased, the LUTs store a `[char; 3]` for each character. However, the vast majority of cases only map to a single new character, in other words most of the entries are e.g. `(lowerc, [upperc, '\0', '\0'])`.
This PR introduces a new encoding scheme for these tables.
The changes reduces the size of my test binary by about 24K.
I've also done some `#[bench]`marks on unicode-heavy test data, and found that the performance of both `str::to_lowercase` and `str::to_uppercase` improves by up to 20%. These measurements are obviously very dependent on the character distribution of the data.
Someone else will have to decide whether this more complex scheme is worth it or not, I was just goofing around a bit and here's what came out of it :man_shrugging: No hard feelings if this isn't wanted!
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r=GuillaumeGomez
rustdoc: add support for type filters in arguments and generics
This makes sense, since the search index has the information in it, and it's more useful for function signature searches since a function signature search's item type is, by definition, some type of function (there's more than one, but not very many).
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Rollup of 8 pull requests
Successful merges:
- #106964 (Clarify `Error::last_os_error` can be weird)
- #107718 (Add `-Z time-passes-format` to allow specifying a JSON output for `-Z time-passes`)
- #107880 (Lint ambiguous glob re-exports)
- #108549 (Remove issue number for `link_cfg`)
- #108588 (Fix the ffi_unwind_calls lint documentation)
- #109231 (Add `try_canonicalize` to `rustc_fs_util` and use it over `fs::canonicalize`)
- #109472 (Add parentheses properly for method calls)
- #109487 (Move useless_anynous_reexport lint into unused_imports)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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Fix the ffi_unwind_calls lint documentation
This fixes the [`ffi_unwind_calls`](https://doc.rust-lang.org/nightly/rustc/lints/listing/allowed-by-default.html#ffi-unwind-calls) documentation to show its output correctly. Currently it is showing the text `{{produces}}` which is not how it should look.
This fixes it by not ignoring the example. I'm not sure why it was ignored, as the way the lint currently works it doesn't seem to require external linkage. This also fixes several mistakes in the example:
* There is no `ffi_unwind_calls` feature.
* Denies the lint (which is otherwise allow be default).
* Removes the `mod impl` which is not valid Rust syntax, and doesn't appear to be needed anyways.
The output now looks like:
```
warning: call to foreign function with FFI-unwind ABI
--> lint_example.rs:10:14
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10 | unsafe { foo(); }
| ^^^^^ call to foreign function with FFI-unwind ABI
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note: the lint level is defined here
--> lint_example.rs:2:9
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2 | #![warn(ffi_unwind_calls)]
| ^^^^^^^^^^^^^^^^
warning: call to function pointer with FFI-unwind ABI
--> lint_example.rs:12:14
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12 | unsafe { ptr(); }
| ^^^^^ call to function pointer with FFI-unwind ABI
```
This also includes some updates to the lint-docs tool to help with this issue:
* Adds a check if a lint documentation has `{{produces}}` with an ignored example, and generates an error.
* All instances of a lint are now displayed. Previously it only showed the first time the lint fires. Some examples may trigger a lint multiple times, and they are all now displayed.
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Add `CastKind::Transmute` to MIR
~~Nothing actually produces it in this commit, so I don't know how to test it, but it also means it shouldn't be possible for it to break anything.~~
Includes lowering `transmute` calls to it, so it's used.
Zulip Conversation: <https://rust-lang.zulipchat.com/#narrow/stream/189540-t-compiler.2Fwg-mir-opt/topic/Good.20first.20isssue/near/321849610>
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Rollup of 7 pull requests
Successful merges:
- #108541 (Suppress `opaque_hidden_inferred_bound` for nested RPITs)
- #109137 (resolve: Querify most cstore access methods (subset 2))
- #109380 (add `known-bug` test for unsoundness issue)
- #109462 (Make alias-eq have a relation direction (and rename it to alias-relate))
- #109475 (Simpler checked shifts in MIR building)
- #109504 (Stabilize `arc_into_inner` and `rc_into_inner`.)
- #109506 (make param bound vars visibly bound vars with -Zverbose)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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Some tests will delete their output directory before starting.
The output directory is based on the test names.
If one test is the prefix of another test, then when that test
starts, it could try to delete the output directory of the other
test with the longer path.
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Fix cross-compiling with dlltool for raw-dylib
Fix for #103939
Issue Details:
When attempting to cross-compile using the `raw-dylib` feature and the GNU toolchain, rustc would attempt to find a cross-compiling version of dlltool (e.g., `i686-w64-mingw32-dlltool`). The has two issues 1) on Windows dlltool is always `dlltool` (no cross-compiling named versions exist) and 2) it only supported compiling to i686 and x86_64 resulting in ARM 32 and 64 compiling as x86_64.
Fix Details:
* On Windows always use the normal `dlltool` binary.
* Add the ARM64 cross-compiling dlltool name (support for this is coming: https://sourceware.org/bugzilla/show_bug.cgi?id=29964)
* Provide the `-m` argument to dlltool to indicate the target machine type.
(This is the first of two PRs to fix the remaining issues for the `raw-dylib` feature (#58713) that is blocking stabilization (#104218))
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Make alias-eq have a relation direction (and rename it to alias-relate)
Emitting an "alias-eq" is too strict in some situations, since we don't always want strict equality between a projection and rigid ty. Adds a relation direction.
* I could probably just reuse this [`RelationDir`](https://doc.rust-lang.org/nightly/nightly-rustc/rustc_infer/infer/combine/enum.RelationDir.html) -- happy to uplift that struct into middle and use that instead, but I didn't feel compelled to... 🤷
* Some of the matching in `compute_alias_relate_goal` is a bit verbose -- I guess I could simplify it by using [`At::relate`](https://doc.rust-lang.org/nightly/nightly-rustc/rustc_infer/infer/at/struct.At.html#method.relate) and mapping the relation-dir to a variance.
* Alternatively, I coulld simplify things by making more helper functions on `EvalCtxt` (e.g. `EvalCtxt::relate_with_direction(T, T)` that also does the nested goal registration). No preference.
r? ```@lcnr``` cc ```@BoxyUwU``` though boxy can claim it if she wants
NOTE: first commit is all the changes, the second is just renaming stuff
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Rollup of 9 pull requests
Successful merges:
- #108954 (rustdoc: handle generics better when matching notable traits)
- #109203 (refactor/feat: refactor identifier parsing a bit)
- #109213 (Eagerly intern and check CrateNum/StableCrateId collisions)
- #109358 (rustc: Remove unused `Session` argument from some attribute functions)
- #109359 (Update stdarch)
- #109378 (Remove Ty::is_region_ptr)
- #109423 (Use region-erased self type during IAT selection)
- #109447 (new solver cleanup + implement coherence)
- #109501 (make link clickable)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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Updates `interpret`, `codegen_ssa`, and `codegen_cranelift` to consume the new cast instead of the intrinsic.
Includes `CastTransmute` for custom MIR building, to be able to test the extra UB.
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rustc: Remove unused `Session` argument from some attribute functions
(One auxiliary test file containing one of these functions was unused, so I removed it instead of updating.)
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Rollup of 10 pull requests
Successful merges:
- #109373 (Set LLVM `LLVM_UNREACHABLE_OPTIMIZE` to `OFF`)
- #109392 (Custom MIR: Allow optional RET type annotation)
- #109394 (adapt tests/codegen/vec-shrink-panik for LLVM 17)
- #109412 (rustdoc: Add GUI test for "Auto-hide item contents for large items" setting)
- #109452 (Ignore the vendor directory for tidy tests.)
- #109457 (Remove comment about reusing rib allocations)
- #109461 (rustdoc: remove redundant `.content` prefix from span/a colors)
- #109477 (`HirId` to `LocalDefId` cleanup)
- #109489 (More general captures)
- #109494 (Do not feed param_env for RPITITs impl side)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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Ignore the vendor directory for tidy tests.
When running `x.py test` on a downloaded source distribution (e.g. https://static.rust-lang.org/dist/rustc-<version>-src.tar.gz), the crates in the vendor directory contain a number of executable files that cause the tidy test to fail with the following message:
tidy error: binary checked into source: <path>
I see 26 such errors with the 1.68.0 source distribution. A few of these are .rs source files with incorrect executable permission, but most are scripts that are correctly marked executable.
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Detect uninhabited types early in const eval
r? `@RalfJung`
implements https://github.com/rust-lang/rust/pull/108442#discussion_r1143003840
this is a breaking change, as some UB during const eval is now detected instead of silently being ignored. Users can see this and other UB that may cause future breakage with `-Zextra-const-ub-checks` or just by running miri on their code, which sets that flag by default.
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a general type system cleanup
removes the helper functions `traits::fully_solve_X` as they add more complexity then they are worth. It's confusing which of these helpers should be used in which context.
changes the way we deal with overflow to always add depth in `evaluate_predicates_recursively`. It may make sense to actually fully transition to not have `recursion_depth` on obligations but that's probably a bit too much for this PR.
also removes some other small - and imo unnecessary - helpers.
r? types
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