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This commit is extracted from #122036 and adds a new directive to the
`compiletest` test runner, `//@ needs-threads`. This is intended to
capture the need that a target must implement threading to execute a
specific test, typically one that uses `std::thread`. This is primarily
done for WebAssembly targets which currently do not have threads by
default. This enables transitioning a lot of `//@ ignore-wasm*`-style
ignores into a more self-documenting `//@ needs-threads` directive.
Additionally the `wasm32-wasi-preview1-threads` target, for example,
does actually have threads, but isn't tested in CI at this time. This
change enables running these tests for that target, but not other wasm
targets.
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Windows: Implement condvar, mutex and rwlock using futex
Well, the Windows equivalent: [`WaitOnAddress`,](https://learn.microsoft.com/en-us/windows/win32/api/synchapi/nf-synchapi-waitonaddress) [`WakeByAddressSingle`](https://learn.microsoft.com/en-us/windows/win32/api/synchapi/nf-synchapi-wakebyaddresssingle) and [`WakeByAddressAll`](https://learn.microsoft.com/en-us/windows/win32/api/synchapi/nf-synchapi-wakebyaddressall).
Note that Windows flavoured futexes can be different sizes (1, 2, 4 or 8 bytes). I took advantage of that in the `Mutex` implementation.
I also edited the Mutex implementation a bit more than necessary. I was having trouble keeping in my head what 0, 1 and 2 meant so I replaced them with consts.
I *think* we're maybe spinning a bit much. `WaitOnAddress` seems to be looping quite a bit too. But for now I've keep the implementations the same. I do wonder if it'd be worth reducing or removing our spinning on Windows.
This also adds a new shim to miri, because of course it does.
Fixes #121949
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Rollup of 8 pull requests
Successful merges:
- #121202 (Limit the number of names and values in check-cfg diagnostics)
- #121301 (errors: share `SilentEmitter` between rustc and rustfmt)
- #121658 (Hint user to update nightly on ICEs produced from outdated nightly)
- #121846 (only compare ambiguity item that have hard error)
- #121961 (add test for #78894 #71450)
- #121975 (hir_analysis: enums return `None` in `find_field`)
- #121978 (Fix duplicated path in the "not found dylib" error)
- #121991 (Merge impl_trait_in_assoc_types_defined_by query back into `opaque_types_defined_by`)
r? `@ghost`
`@rustbot` modify labels: rollup
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errors: share `SilentEmitter` between rustc and rustfmt
Fixes rust-lang/rustfmt#6082.
Shares the `SilentEmitter` between rustc and rustfmt, and gives it a fallback bundle (since it can emit diagnostics in some contexts).
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tidy: split dots in filename not the entire path when checking for stray stdout/stderr files
I committed a path crime by splitting the entire path on `.`, when I meant to split on the filename. This means that any parent folders which contain `.` will cause tidy failure. Added a regression test so that doesn't happen again.
### Follow-up
- [ ] Adjust rustc-dev-guide to document assert on test name not containing dots. https://github.com/rust-lang/rustc-dev-guide/pull/1927
Fixes #121986.
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Signed-off-by: David Wood <david@davidtw.co>
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This is so that we can catch stray test output files, since test names
without dots can form predictable patterns we can match on.
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Diagnostic renaming 2
A sequel to #121489.
r? `@davidtwco`
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Well, the Windows equivalent: `WaitOnAddress`, `WakeByAddressSingle` and `WakeByAddressAll`.
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Add a scheme for moving away from `extern "rust-intrinsic"` entirely
All `rust-intrinsic`s can become free functions now, either with a fallback body, or with a dummy body and an attribute, requiring backends to actually implement the intrinsic.
This PR demonstrates the dummy-body scheme with the `vtable_size` intrinsic.
cc https://github.com/rust-lang/rust/issues/63585
follow-up to #120500
MCP at https://github.com/rust-lang/compiler-team/issues/720
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Rollup of 10 pull requests
Successful merges:
- #120976 (constify a couple thread_local statics)
- #121683 (Fix LVI tests after frame pointers are enabled by default)
- #121703 (Add a way to add constructors for `rustc_type_ir` types)
- #121732 (Improve assert_matches! documentation)
- #121928 (Extract an arguments struct for `Builder::then_else_break`)
- #121939 (Small enhancement to description of From trait)
- #121968 (Don't run test_get_os_named_thread on win7)
- #121969 (`ParseSess` cleanups)
- #121977 (Doc: Fix incorrect reference to integer in Atomic{Ptr,Bool}::as_ptr.)
- #121994 (Update platform-support.md with supported musl version)
r? `@ghost`
`@rustbot` modify labels: rollup
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`ParseSess` cleanups
The main change here is to rename all `ParseSess` values as `psess`. Plus a few other small cleanups.
r? `@wesleywiser`
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Existing names for values of this type are `sess`, `parse_sess`,
`parse_session`, and `ps`. `sess` is particularly annoying because
that's also used for `Session` values, which are often co-located, and
it can be difficult to know which type a value named `sess` refers to.
(That annoyance is the main motivation for this change.) `psess` is nice
and short, which is good for a name used this much.
The commit also renames some `parse_sess_created` values as
`psess_created`.
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Add a new `wasm32-wasip1` target to rustc
This commit adds a new target called `wasm32-wasip1` to rustc. This new target is explained in these two MCPs:
* https://github.com/rust-lang/compiler-team/issues/607
* https://github.com/rust-lang/compiler-team/issues/695
In short, the previous `wasm32-wasi` target is going to be renamed to `wasm32-wasip1` to better live alongside the [new `wasm32-wasip2` target](https://github.com/rust-lang/rust/pull/119616). This new target is added alongside the `wasm32-wasi` target and has the exact same definition as the previous target. This PR is effectively a rename of `wasm32-wasi` to `wasm32-wasip1`. Note, however, that as explained in rust-lang/compiler-team#695 the previous `wasm32-wasi` target is not being removed at this time. This change will reach stable Rust before even a warning about the rename will be printed. At this time this change is just the start where a new target is introduced and users can start migrating if they support only Nightly for example.
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It doesn't need a `Parser` and a `ParseSess`, because the former
contains the latter.
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Promote OpenHarmony targets to tier 2
MCP: rust-lang/compiler-team#719
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Move some tests
r? `@petrochenkov`
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Miri subtree update
r? `@ghost`
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Windows: support getting the thread name
Also organize the thread name tests a bit.
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Subtree update of `rust-analyzer`
r? `@ghost`
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On tests that specify `--color=always` emit SVG file with stderr output
Leverage `anstyle-svg`, as `cargo` does now, to emit `.svg` files instead of `.stderr` files for tests that explicitly enable color output. This will make reviewing changes to the graphical output of tests much more human friendly.
<img src="https://raw.githubusercontent.com/rust-lang/rust/b4bdb56f86e136ca63bf71dca3034200c6c25900/tests/ui/error-emitter/highlighting.svg">
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Leverage `anstyle-svg`, as `cargo` does now, to emit `.svg` files
instead of `.stderr` files for tests that explicitly enable color
output. This will make reviewing changes to the graphical output of
tests much more human friendly.
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less verbose
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`f16` and `f128` step 2: intrinsics
Continuation of https://github.com/rust-lang/rust/pull/121728, another portion of https://github.com/rust-lang/rust/pull/114607.
This PR adds `f16` and `f128` intrinsics, and hooks them up to both HIR and LLVM. This is all still unexposed to the frontend, which will probably be the next step. Also update itanium mangling per `@rcvalle's` in https://github.com/rust-lang/rust/pull/121728/files#r1506570300, and fix a typo from step 1.
Once these types are usable in code, I will add the codegen tests from #114607 (codegen is passing on that branch)
This does add more `unimplemented!`s to Clippy, but I still don't think we can do better until library support is added.
r? `@compiler-errors`
cc `@Nilstrieb`
`@rustbot` label +T-compiler +F-f16_and_f128
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Add initial support for DataFlowSanitizer
Adds initial support for DataFlowSanitizer to the Rust compiler. It currently supports `-Zsanitizer-dataflow-abilist`. Additional options for it can be passed to LLVM command line argument processor via LLVM arguments using `llvm-args` codegen option (e.g., `-Cllvm-args=-dfsan-combine-pointer-labels-on-load=false`).
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MCP: rust-lang/compiler-team#719
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This commit adds a new target called `wasm32-wasip1` to rustc.
This new target is explained in these two MCPs:
* https://github.com/rust-lang/compiler-team/issues/607
* https://github.com/rust-lang/compiler-team/issues/695
In short, the previous `wasm32-wasi` target is going to be renamed to
`wasm32-wasip1` to better live alongside the [new
`wasm32-wasip2` target](https://github.com/rust-lang/rust/pull/119616).
This new target is added alongside the `wasm32-wasi` target and has the
exact same definition as the previous target. This PR is effectively a
rename of `wasm32-wasi` to `wasm32-wasip1`. Note, however, that
as explained in rust-lang/compiler-team#695 the previous `wasm32-wasi`
target is not being removed at this time. This change will reach stable
Rust before even a warning about the rename will be printed. At this
time this change is just the start where a new target is introduced and
users can start migrating if they support only Nightly for example.
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Adds initial support for DataFlowSanitizer to the Rust compiler. It
currently supports `-Zsanitizer-dataflow-abilist`. Additional options
for it can be passed to LLVM command line argument processor via LLVM
arguments using `llvm-args` codegen option (e.g.,
`-Cllvm-args=-dfsan-combine-pointer-labels-on-load=false`).
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Update cargo
12 commits in 8964c8ccff6e420e2a38b8696d178d69fab84d9d..f772ec0224d3755ce52ac5128a80319fb2eb45d0
2024-02-27 19:22:46 +0000 to 2024-03-01 22:57:35 +0000
- feat(toml): Warn on unset Edition (rust-lang/cargo#13505)
- fix(msrv): Report all incompatible packages, not just a random one (rust-lang/cargo#13514)
- refactor: abstract `std::fs` away from on-disk index cache (rust-lang/cargo#13515)
- chore(deps): update compatible (rust-lang/cargo#13507)
- chore(deps): update rust crate rusqlite to 0.31.0 (rust-lang/cargo#13510)
- [docs]: Clarify vendored sources as read-only and way to modify (rust-lang/cargo#13512)
- chore(deps): update rust crate supports-hyperlinks to v3 (rust-lang/cargo#13511)
- refactor: Clarify more Config -> Context (rust-lang/cargo#13506)
- test: Make `edition` explicit in packages (rust-lang/cargo#13504)
- Add all unit's children recursively for `doc.extern-map` option (rust-lang/cargo#13481)
- fix(rustc): Always pass --edition to rustc (rust-lang/cargo#13499)
- Silently ignore `cargo::rustc-check-cfg` to avoid MSRV annoyance when stabilizing `-Zcheck-cfg` (rust-lang/cargo#13438)
r? ghost
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Rollup of 11 pull requests
Successful merges:
- #111505 (Made `INVALID_DOC_ATTRIBUTES` lint deny by default)
- #120305 (Delete line if suggestion would replace it with an empty line)
- #121153 (Suggest removing superfluous semicolon when statements used as expression)
- #121497 (`-Znext-solver=coherence`: suggest increasing recursion limit)
- #121634 (Clarify behavior of slice prefix/suffix operations in case of equality)
- #121706 (match lowering: Remove hacky branch in sort_candidate)
- #121730 (Add profiling support to AIX)
- #121750 (match lowering: Separate the `bool` case from other integers in `TestKind`)
- #121803 (Never say "`Trait` is implemented for `{type error}`")
- #121811 (Move sanitizer ui tests to sanitizer directory)
- #121824 (Implement missing ABI structures in StableMIR)
r? `@ghost`
`@rustbot` modify labels: rollup
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rcvalle:rust-cfi-move-ui-tests-to-sanitizer-directory, r=compiler-errors
Move sanitizer ui tests to sanitizer directory
Moves the sanitizer ui tests to the sanitizer directory and removes the sanitizer prefix from tests file names similarly to how the sanitizer codegen tests are organized.
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Delete line if suggestion would replace it with an empty line
Fixes #120296
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Update to LLVM 18.1.0 rc 4
Fixes https://github.com/rust-lang/rust/issues/120819.
Fixes https://github.com/rust-lang/rust/issues/121180.
Fixes https://github.com/rust-lang/rust/issues/121239.
Fixes https://github.com/rust-lang/rust/issues/121367.
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Rollup of 12 pull requests
Successful merges:
- #120646 (Fix incorrect suggestion for uninitialized binding in pattern)
- #121416 (Improve error messages for generics with default parameters)
- #121475 (Add tidy check for .stderr/.stdout files for non-existent test revisions)
- #121580 (make unused_imports less assertive in test modules)
- #121736 (Remove `Mutex::unlock` Function)
- #121784 (Make the success arms of `if lhs || rhs` meet up in a separate block)
- #121818 (CFI: Remove unused `typeid_for_fnsig`)
- #121819 (Handle stashing of delayed bugs)
- #121828 (Remove unused fluent messages)
- #121831 (Fix typo in comment)
- #121850 (Make `ZeroablePrimitive` trait unsafe.)
- #121853 (normalizes-to: handle negative impls)
r? `@ghost`
`@rustbot` modify labels: rollup
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