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explicitly
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Signed-off-by: xizheyin <xizheyin@smail.nju.edu.cn>
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Refactor codegen backends in bootstrap
This PR refactors the codegen backend steps, in preparation to make more progress on the integration of the GCC codegen backend in bootstrap. It does several things:
1) Splits the `CodegenBackend` step into two, one for clif and another one for gcc. Even though their code is mostly similar, that's IMO mostly fake similarity, and they do (or will) ultimately require different handling. This was already visible in the requirement of building GCC for cg_gcc, of course.
2) It is now possible to build both backends (and dist cranelift) even if they are not specified in `rust.codegen-backends`. It was quite weird that it wasn't possible to even invoke the corresponding codegen backend if the backend wasn't specified in that array, as that array should ideally only change defaults (see later below).
3) Changes the path specification of these steps to an alias. In other words, instead of `compiler/rustc_codegen_cranelift`, the step is now built only using `rustc_codegen_cranelift` or `cg_clif`. This is done to avoid an annoying clash with `x build compiler`, which would otherwise build both codegen backends after the 2) change.
4) Made the copying of codegen backend artifacts more explicit, in particular in the `Assemble` step.
5) Codifies the semantics of `rust.codegen-backends`, which now only affects the defaults of whether a codegen backend will be included in rustc's sysroot and whether it will be disted in `x dist` by default. We can change the behavior later, e.g. to dist cranelift by default in `x dist` once it becomes stabilized. Currently I left the existing behavior that we use on CI, I just tried to document it better.
I don't think that this requires a change tracker entry, because the defaults should work the same as before. It is just now possible to do `x build/dist rustc_codegen_cranelift` even if CLIF is not in the `codegen-backends` array. It is no longer possible to do `./x build compiler/rustc_codegen_cranelift` though, not sure if that requires a change tracker entry.
There is one thing that I didn't touch yet, and that is the fact that `rust.codegen-backends` not only affects the default behavior of `x dist` w.r.t. Cranelift, but also of `x test`. In other words, `x test rustc_codegen_cranelift` still does not hing if cranelift isn't in `rust.codegen-backends`. I plan to take a look at this once I get to refactoring the test steps.
r? `@jieyouxu`
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Automatic Rustup
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Add write! and writeln! to minicore
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compiler & tools dependencies:
Locking 18 packages to latest compatible versions
Updating anstream v0.6.19 -> v0.6.20
Updating anstyle-query v1.1.3 -> v1.1.4
Updating anstyle-svg v0.1.9 -> v0.1.10
Updating anstyle-wincon v3.0.9 -> v3.0.10
Updating camino v1.1.10 -> v1.1.11
Updating clap v4.5.42 -> v4.5.43
Updating clap_builder v4.5.42 -> v4.5.43
Updating cxx v1.0.161 -> v1.0.166
Updating cxx-build v1.0.161 -> v1.0.166
Updating cxxbridge-cmd v1.0.161 -> v1.0.166
Updating cxxbridge-flags v1.0.161 -> v1.0.166
Updating cxxbridge-macro v1.0.161 -> v1.0.166
Updating derive-where v1.5.0 -> v1.6.0
Updating hashbrown v0.15.4 -> v0.15.5
Updating indenter v0.3.3 -> v0.3.4
Updating rustversion v1.0.21 -> v1.0.22
Updating scratch v1.0.8 -> v1.0.9
Updating zerovec v0.11.2 -> v0.11.4
note: pass `--verbose` to see 36 unchanged dependencies behind latest
library dependencies:
Locking 1 package to latest compatible version
Updating hashbrown v0.15.4 -> v0.15.5
note: pass `--verbose` to see 2 unchanged dependencies behind latest
rustbook dependencies:
Locking 10 packages to latest compatible versions
Updating anstream v0.6.19 -> v0.6.20
Updating anstyle-query v1.1.3 -> v1.1.4
Updating anstyle-wincon v3.0.9 -> v3.0.10
Updating cc v1.2.31 -> v1.2.32
Updating clap v4.5.42 -> v4.5.43
Updating clap_builder v4.5.42 -> v4.5.43
Updating clap_complete v4.5.55 -> v4.5.56
Updating hashbrown v0.15.4 -> v0.15.5
Updating rustversion v1.0.21 -> v1.0.22
Updating zerovec v0.11.2 -> v0.11.4
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remove `P`
Previous work: rust-lang/rust#141603
MCP: https://github.com/rust-lang/compiler-team/issues/878
cc `@nnethercote`
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minor fix in `from_str_radix_10` lint, `is_type_diagnostic_item` only
checks `Adt`, use `.is_str()` instead
changelog: [`from_str_radix_10`]: properly lint references to `&str` as
well
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Every other feature in the list uses a doc comment; fix one that used a
regular comment to use a doc comment.
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elsewhere
`typos.toml` has an exception for "numer", to avoid flagging its use as
an abbreviation for "numerator". Remove the use of that abbrevation,
spelling out "numerator" instead, and remove the exception, so that typo
checks can find future instances of "numer" as a typo for "number".
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just a clean-up
changelog: none
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LLVM does not currently emit these, but it is being discussed as an
option on platforms where `f32` is not hardware supported. Glibc/libgcc
also has the comparison functions [1] already.
The generic implementations for addition, subtraction, and
multiplication work for f16 without any complications, as do
comparisons, so add them here.
[1]: https://sourceware.org/git/?p=glibc.git;a=commit;h=6ec6c77867af4ddfec7323e0ac6ede89effca852
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Like `__real@`, and `__xmm@`, Windows can emit duplicate `__ymm@`
symbols for constants.
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It seems important for LLVM that we select on the values by-value
instead of reading and have no intermediate store. So make sure the
guards selects both potential drops but defers the return value to the
second selection. Since the two options alias we use raw mutable
pointers instead of mutable references as before.
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combine two similar arms
use in `eager_transmute`
use in `double_ended_iterator_last`
use different numbers in the new test case to avoid possible confusion
move the other "unfixable" case as well; it shouldn't lint anyway, so
having it in the main test file is fine
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rustdoc has its own issue template now, mention that.
swap the order of the last two sentances so it reads more like
a typical if/else chain (base case listed last).
adjust some labels and descriptions
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```
changelog: [`doc-valid-idents`]: add "PowerPC" to the list of words not considered as identifiers
```
---
changelog: add "PowerPC" to the list of words not considered as
identifiers by `doc-valid-idents` rule
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JetBrains has transitioned from the IntelliJ Rust plugin to RustRover
as their dedicated Rust IDE. This updates the documentation to reflect
this change while maintaining backward compatibility with the existing
cargo dev setup intellij command.
Changes:
- Replace IntelliJ Rust references with RustRover in CONTRIBUTING.md
- Update links to point to official RustRover homepage
- Update development guide in book/src/development/basics.md
- Keep existing command names for backward compatibility
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There are a few alternatives to the implementation. The principal
problem is that the selected value must be owned (in the sense of having
any drop flag of sorts) when the unselected value is dropped, such that
panic unwind goes through the drop of both. This ownership must then be
passed on in return when the drop went smoothly. The basic way of
achieving this is by extracting the selected value first, at the cost of
relying on the optimizer a little more for detecting the copy as
constructing the return value despite having a place in the body.
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Co-authored-by: Florian Bartels <108917393+flba-eb@users.noreply.github.com>
Co-authored-by: Mads Marquart <mads@marquart.dk>
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changelog: [infinite_loop]: Improve handling of infinite loops in async
blocks
Fix rust-lang/rust-clippy#14000
This PR refines the [infinite_loop] lint to avoid false positives when
infinite loops occur inside async blocks that are not awaited (such as
those that are spawned or assigned to variables for later use). The lint
will now only trigger when the async block containing the loop is
directly awaited.
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some clauses can be merged together without requiring an attribute for
each trait derived.
also manually impl `Eq` because the `derive_where` generated code is too
much for my comfort
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A type with escaping bound vars cannot be wrapped in a dummy binder
during size computation.
Fixes rust-lang/rust-clippy#15429
changelog: [`zero_sized_hashmap_values`]: fix ICE in types with escaping
lifetimes
r? Jarcho
<!-- TRIAGEBOT_START -->
<!-- TRIAGEBOT_SUMMARY_START -->
### Summary Notes
- [Beta
nomination](https://github.com/rust-lang/rust-clippy/pull/15434#issuecomment-3164866684)
by [samueltardieu](https://github.com/samueltardieu)
*Managed by `@rustbot`—see
[help](https://forge.rust-lang.org/triagebot/note.html) for details*
<!-- TRIAGEBOT_SUMMARY_END -->
<!-- TRIAGEBOT_END -->
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Signed-off-by: xizheyin <xizheyin@smail.nju.edu.cn>
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allows removing the `#[allow(clippy::too_many_lines)]`
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Hmikihiro/fix_generate_function_generate_by_indent_token
fix: generate function by indet token
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Rollup of 23 pull requests
Successful merges:
- rust-lang/rust#141658 (rustdoc search: prefer stable items in search results)
- rust-lang/rust#141828 (Add diagnostic explaining STATUS_STACK_BUFFER_OVERRUN not only being used for stack buffer overruns if link.exe exits with that exit code)
- rust-lang/rust#144823 (coverage: Extract HIR-related helper code out of the main module)
- rust-lang/rust#144883 (Remove unneeded `drop_in_place` calls)
- rust-lang/rust#144923 (Move several more float tests to floats/mod.rs)
- rust-lang/rust#144988 (Add annotations to the graphviz region graph on region origins)
- rust-lang/rust#145010 (Couple of minor abi handling cleanups)
- rust-lang/rust#145017 (Explicitly disable vector feature on s390x baseline of bad-reg test)
- rust-lang/rust#145027 (Optimize `char::is_alphanumeric`)
- rust-lang/rust#145050 (add member constraints tests)
- rust-lang/rust#145073 (update enzyme submodule to handle llvm 21)
- rust-lang/rust#145080 (Escape diff strings in MIR dataflow graphviz)
- rust-lang/rust#145082 (Fix some bad formatting in `-Zmacro-stats` output.)
- rust-lang/rust#145083 (Fix cross-compilation of Cargo)
- rust-lang/rust#145096 (Fix wasm target build with atomics feature)
- rust-lang/rust#145097 (remove unnecessary `TypeFoldable` impls)
- rust-lang/rust#145100 (Rank doc aliases lower than equivalently matched items)
- rust-lang/rust#145103 (rustc_metadata: remove unused private trait impls)
- rust-lang/rust#145115 (defer opaque type errors, generally greatly reduce tainting)
- rust-lang/rust#145119 (rustc_public: fix missing parenthesis in pretty discriminant)
- rust-lang/rust#145124 (Recover `for PAT = EXPR {}`)
- rust-lang/rust#145132 (Refactor map_unit_fn lint)
- rust-lang/rust#145134 (Reduce indirect assoc parent queries)
r? `@ghost`
`@rustbot` modify labels: rollup
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The `security_attributes` function is marked as safe despite taking a raw pointer which will later be used. Fortunately this function is only used internally and only in one place that has been basically the same for a decade now.
However, we only ever set one bool so it's easy enough to replace with something that's actually safe.
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Adds tests for the `nonpoison::RwLock` variant by using a macro to
duplicate the existing `poison` tests.
Note that all of the tests here are adapted from the existing `poison`
tests.
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This commit simply helps discern the actual changes needed to test both
poison and nonpoison `rwlock`s.
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Adds the equivalent `nonpoison` types to the `poison::rwlock` module.
These types and implementations are gated under the `nonpoison_rwlock`
feature gate.
Also blesses the ui tests that now have a name conflicts (because these
types no longer have unique names). The full path distinguishes the
different types.
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also add a note to `GenericArgs::truncate_to`
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