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Stabilize std::thread::Builder::spawn_unchecked
Closes #55132.
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Fix wrong source location for some incorrect macro definitions
Fixes #95463
Currently the code will consume the next token tree after `var` when trying to parse `$var:some_type` even when it's not a `:` (e.g. a `$` when input is `($foo $bar:tt) => {}`). Additionally it will return the wrong span when it's not a `:`.
This PR fixes these problems.
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Migrate `validate_json.py` script to rust in `run-make/rustdoc-map-file` test
This PR fixes the FIXME I added for future-me who become present-me. :')
Since there are multiple `run-make` tests using python scripts, I suppose more of them will migrate to Rust, hence why I added the `jzon` public reexport to the `run-make-support` crate.
cc `@jieyouxu`
r? `@Kobzol`
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Stabilize `is_none_or`
Closes: https://github.com/rust-lang/rust/issues/126383.
`@rustbot` label: +T-libs-api
r? libs-api
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Special-case alias ty during the delayed bug emission in `try_from_lit`
This PR tries to fix #116308.
A delayed bug in `try_from_lit` will not be emitted so that the compiler will not ICE when it sees the pair `(ast::LitKind::Int, ty::TyKind::Alias)` in `lit_to_const` (called from `try_from_lit`).
This PR is related to an unstable feature `adt_const_params` (#95174).
r? ``@BoxyUwU``
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Re-enable more debuginfo tests on freebsd
These ignores are _ancient_, we don't run freebsd tests in CI, and even if we did they'd probably pass because the test suite passes with the latest gdb release on Linux.
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`run-make` tests
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Re-update to LLVM 19 rc2
The update in #128677 was accidentally reverted in #128962.
Fixes #129064
r? nikic
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detect incompatible CI rustc options more precisely
Previously, the logic here was simply checking whether the option was set in `config.toml`. This approach was not manageable in our CI runners as we set so many options in config.toml. In reality, those values are not incompatible since they are usually the same value used to generate the CI rustc. Now, the new logic compares the configuration values with the values used to generate the CI rustc, so we get more precise results and make the process more manageable.
r? Kobzol
Blocker for https://github.com/rust-lang/rust/pull/122709
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Only try to modify file times of a writable file on Windows
Introduces a `set_file_times` helper which opens a given path as a file in r+w mode on Windows and then sets file times. Previously the file was open as read-only for Windows which caused permission errors locally.
This should hopefully make setting file times less error prone, since trying to set file times on read-only file on Windows also happened in #127850.
try-job: dist-loongarch64-musl
try-job: x86_64-msvc
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Enable debuginfo tests that have been "temporarily disabled" for the past 6 years
The PR history is a bit of a mess because I had to test this a lot with try-jobs, so I'll try to summarize the non-obvious changes here.
A number of tests now have `min-lldb-version: 1800`. Those tests should have gotten an lldb version jump either in https://github.com/rust-lang/rust/pull/124781 or long ago. Note that all such tests with that lldb version requirement do not run in Apple CI.
`tests/debuginfo/drop-locations.rs` is staying disabled for now because gdb doesn't know to stop on the drop calls produced by a `}`: https://github.com/rust-lang/rust/issues/128971
`tests/debuginfo/function-arg-initialization.rs` now has `-Zmir-enable-passes=-SingleUseConsts`; without that we initialize the const before the function prelude: https://github.com/rust-lang/rust/issues/128945
`tests/debuginfo/by-value-non-immediate-argument.rs` fails because we don't generate a function prelude for unused non-immediate arguments, even with all optimizations disabled, and this seems to confuse debuggers on aarch64: https://github.com/rust-lang/rust/issues/128973
`tests/debuginfo/pretty-std.rs` is staying disabled on windows-gnu because our test harness doesn't know how to load our pretty-printers on that target: https://github.com/rust-lang/rust/issues/128981
`tests/debuginfo/method-on-enum.rs` and `tests/debuginfo/option-like-enum.rs` encounter some kind of gdb bug on i686-pc-windows-gnu. I don't know enough about that situation to write a good issue.
I plan on doing more work on this test suite. There's clearly a lot more basic cleanup work to do here.
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Rollup of 9 pull requests
Successful merges:
- #128064 (Improve docs for Waker::noop and LocalWaker::noop)
- #128922 (rust-analyzer: use in-tree `pattern_analysis` crate)
- #128965 (Remove `print::Pat` from the printing of `WitnessPat`)
- #129018 (Migrate `rlib-format-packed-bundled-libs` and `native-link-modifier-bundle` `run-make` tests to rmake)
- #129037 (Port `run-make/libtest-json` and `run-make/libtest-junit` to rmake)
- #129078 (`ParamEnvAnd::fully_perform`: we have an `ocx`, use it)
- #129110 (Add a comment explaining the return type of `Ty::kind`.)
- #129111 (Port the `sysroot-crates-are-unstable` Python script to rmake)
- #129135 (crashes: more tests)
r? `@ghost`
`@rustbot` modify labels: rollup
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r=compiler-errors
crashes: more tests
r? ````@jieyouxu````
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Port the `sysroot-crates-are-unstable` Python script to rmake
New version of #126231, and a follow-up to #129071.
One major difference is that the new version no longer tries to report *all* accidentally-stable crates, because the `run_make_support` helpers tend to halt the test as soon as something goes wrong. That's unfortunate, but I think it won't matter much in practice, and preserving the old behaviour doesn't seem worth the extra effort.
---
Part of #110479 (Python purge), with this being one of the non-trivial Python scripts that actually seems feasible and worthwhile to remove.
This is *not* part of #121876 (Makefile purge), because the underlying test is already using rmake; this PR just modifies the existing rmake recipe to do all the work itself instead of delegating to Python. So there's no particular urgency here.
r? ````@jieyouxu````
try-job: aarch64-gnu
try-job: aarch64-apple
try-job: test-various
try-job: armhf-gnu
try-job: x86_64-msvc
try-job: i686-mingw
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Add a comment explaining the return type of `Ty::kind`.
At least we'll get a useful comment out of #126069 :)
r? ````@lcnr````
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r=compiler-errors
`ParamEnvAnd::fully_perform`: we have an `ocx`, use it
cc #123669
r? ``@compiler-errors``
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Port `run-make/libtest-json` and `run-make/libtest-junit` to rmake
Unlike #126773, this is just a straightforward port to `rmake`, without attempting to switch to compiletest or get rid of the (trivial) Python scripts.
Part of #121876.
r? ````@jieyouxu````
try-job: x86_64-msvc
try-job: i686-mingw
try-job: test-various
try-job: aarch64-gnu
try-job: aarch64-apple
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Migrate `rlib-format-packed-bundled-libs` and `native-link-modifier-bundle` `run-make` tests to rmake
Part of #121876 and the associated [Google Summer of Code project](https://blog.rust-lang.org/2024/05/01/gsoc-2024-selected-projects.html).
Please try:
// try-job: test-various (ATTEMPTED: IGNORE RESTORED)
try-job: x86_64-msvc
try-job: aarch64-apple
try-job: aarch64-gnu
try-job: x86_64-mingw
try-job: i686-mingw
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Remove `print::Pat` from the printing of `WitnessPat`
After the preliminary work done in #128536, we can now get rid of `print::Pat` entirely.
- First, we introduce a variant `PatKind::Print(String)`.
- Then we incrementally remove each other variant of `PatKind`, by having the relevant code produce `PatKind::Print` instead.
- Once `PatKind::Print` is the only remaining variant, it becomes easy to remove `print::Pat` and replace it with `String`.
There is more cleanup that I have in mind, but this seemed like a natural stopping point for one PR.
r? ```@Nadrieril```
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rust-analyzer: use in-tree `pattern_analysis` crate
r? ```@Veykril```
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Improve docs for Waker::noop and LocalWaker::noop
* Add a warning about a likely misuse. (See my commit message for longer rationale.)
* Apply some probably-accidentally-omitted changes to `LocalWaker`'s docs
* Add a comment about the clone-and-hack of the docs
I have used [semantic linefeeds](https://rhodesmill.org/brandon/2012/one-sentence-per-line/) for the docs formatting.
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r=petrochenkov
Fix problems with assoc expr token collection
There are several cases involving assoc exprs and attributes where the current code does the wrong thing. This PR adds some tests that demonstrate the problems and then fixes them.
r? `@petrochenkov`
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This commit does the following.
- Renames `collect_tokens_trailing_token` as `collect_tokens`, because
(a) it's annoying long, and (b) the `_trailing_token` bit is less
accurate now that its types have changed.
- In `collect_tokens`, adds a `Option<CollectPos>` argument and a
`UsePreAttrPos` in the return type of `f`. These are used in
`parse_expr_force_collect` (for vanilla expressions) and in
`parse_stmt_without_recovery` (for two different cases of expression
statements). Together these ensure are enough to fix all the problems
with token collection and assoc expressions. The changes to the
`stringify.rs` test demonstrate some of these.
- Adds a new test. The code in this test was causing an assertion
failure prior to this commit, due to an invalid `NodeRange`.
The extra complexity is annoying, but necessary to fix the existing
problems.
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A couple of these are marked `FIXME` because they demonstrate existing
bugs with token collection.
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This pre-existing type is suitable for use with the return value of the
`f` parameter in `collect_tokens_trailing_token`. The more descriptive
name will be useful because the next commit will add another boolean
value to the return value of `f`.
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It's not an important type when it comes to memory use.
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Coalesce `dep-info`, `dep-info-spaces` and `dep-info-doesnt-run-much` `run-make` tests into `dep-info` rmake.rs
Part of #121876 and the associated [Google Summer of Code project](https://blog.rust-lang.org/2024/05/01/gsoc-2024-selected-projects.html).
This is one of the most ancient tests in the `run-make` directory and its Makefile does some unexpected things, like creating and deleting a `done` directory over and over, sleeping at certain times (this is the [commit](https://github.com/rust-lang/rust/pull/13288/commits/0d9fd8e2a1f8aa43b4cf66272eaa3cf695bbdcd9) that added the `sleep`).
I tried to preserve the intent of the test, which is smoke-testing that `dep-info` works.
try-job: x86_64-msvc
try-job: i686-mingw
try-job: aarch64-gnu
try-job: aarch64-apple
try-job: test-various
try-job: armhf-gnu
try-job: dist-various-1
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Rollup of 8 pull requests
Successful merges:
- #128348 (Unconditionally allow shadow call-stack sanitizer for AArch64)
- #129065 (Use `impl PartialEq<TokenKind> for Token` more.)
- #129072 (Infer async closure args from `Fn` bound even if there is no corresponding `Future` bound on return)
- #129096 (Print more verbose error for commands that capture output)
- #129101 (Fix projections when parent capture is by-ref but child capture is by-value in the `ByMoveBody` pass)
- #129106 (Remove redundant type ops: `Eq`/`Subtype`)
- #129122 (Remove duplicated `Rustdoc::output` method from `run-make-support` lib)
- #129124 (rustdoc-json: Use FxHashMap from rustdoc_json_types)
r? `@ghost`
`@rustbot` modify labels: rollup
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rustdoc-json: Use FxHashMap from rustdoc_json_types
Alternative to #110051 and #127456.
This lets us avoid rehashing the json index after building it by using the same hashmap type in construction and in rustdoc_json_types. The above PR's tried to do this by having rustdoc_json_types get the same hashmap that rustdoc has via rustc_data_structures. However, this can be made simpler if we change rustdoc instead.
For the rustdoc-type republish on crates.io, It will filter out the `pub use`, and not change source at all. https://github.com/aDotInTheVoid/rustdoc-types/pull/30. That code [already replaces the hashmap](https://github.com/aDotInTheVoid/rustdoc-types/blob/8d6528669ec64c2af43d1c79a228b7711cefdad7/update.sh#L11) to use the one in `std::collections` (instead of `FxHashMap`)
try-job: dist-arm-linux
r? ``@GuillaumeGomez``
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GuillaumeGomez:remove-duplicated-rustdoc-output-methods, r=Kobzol
Remove duplicated `Rustdoc::output` method from `run-make-support` lib
I discovered recently that `--output` is deprecated in rustdoc and that `--out-dir` is doing the exact same thing. To keep things along with the current rustdoc status, I removed the `Rustdoc::output` method.
cc `@jieyouxu`
r? `@Kobzol`
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Remove redundant type ops: `Eq`/`Subtype`
r? lcnr or anyone really
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Fix projections when parent capture is by-ref but child capture is by-value in the `ByMoveBody` pass
This fixes a somewhat strange bug where we build the incorrect MIR in #129074. This one is weird, but I don't expect it to actually matter in practice since it almost certainly results in a move error in borrowck. However, let's not ICE.
Given the code:
```
#![feature(async_closure)]
// NOT copy.
struct Ty;
fn hello(x: &Ty) {
let c = async || {
*x;
//~^ ERROR cannot move out of `*x` which is behind a shared reference
};
}
fn main() {}
```
The parent coroutine-closure captures `x: &Ty` by-ref, resulting in an upvar of `&&Ty`. The child coroutine captures `x` by-value, resulting in an upvar of `&Ty`. When constructing the by-move body for the coroutine-closure, we weren't applying an additional deref projection to convert the parent capture into the child capture, resulting in an type error in assignment, which is a validation ICE.
As I said above, this only occurs (AFAICT) in code that eventually results in an error, because it is only triggered by HIR that attempts to move a non-copy value out of a ref. This doesn't occur if `Ty` is `Copy`, since we'd instead capture `x` by-ref in the child coroutine.
Fixes #129074
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Print more verbose error for commands that capture output
https://github.com/rust-lang/rust/pull/128874 made bootstrap command errors less verbose without `-v`. However, in some cases it's too extreme. If a command fails, it now outputs just `Command has failed. Rerun with -v to see more details.`, without providing any context.
I think that I found a reasonable heuristic to figure out when we should print a more verbose error. When the command doesn't capture output, its stdout/stderr is printed, therefore the user sees context about the error. However, when the command captures its output, the user won't see any error message in the output, which is not great. So only in that case, bootstrap now prints a slightly more verbose output (and also prints the captured output).
r? `@onur-ozkan`
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compiler-errors:more-powerful-async-closure-inference, r=lcnr
Infer async closure args from `Fn` bound even if there is no corresponding `Future` bound on return
In #127482, I implemented the functionality to infer an async closure signature when passed into a function that has `Fn` + `Future` where clauses that look like:
```
fn whatever(callback: F)
where
F: Fn(Arg) -> Fut,
Fut: Future<Output = Out>,
```
However, #127781 demonstrates that this is still incomplete to address the cases users care about. So let's not bail when we fail to find a `Future` bound, and try our best to just use the args from the `Fn` bound if we find it. This is *fine* since most users of closures only really care about the *argument* types for inference guidance, since we require the receiver of a `.` method call to be known in order to probe methods.
When I experimented with programmatically rewriting `|| async {}` to `async || {}` in #127827, this also seems to have fixed ~5000 regressions (probably all coming from usages `TryFuture`/`TryStream` from futures-rs): the [before](https://github.com/rust-lang/rust/pull/127827#issuecomment-2254061733) and [after](https://github.com/rust-lang/rust/pull/127827#issuecomment-2255470176) crater runs.
Fixes #127781.
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Use `impl PartialEq<TokenKind> for Token` more.
This lets us compare a `Token` with a `TokenKind`. It's used a lot, but can be used even more, avoiding the need for some `.kind` uses.
r? `@spastorino`
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dingxiangfei2009:allow-shadow-call-stack-sanitizer, r=tmandry
Unconditionally allow shadow call-stack sanitizer for AArch64
It is possible to do so whenever `-Z fixed-x18` is applied.
cc ``@Darksonn`` for context
The reasoning is that, as soon as reservation on `x18` is forced through the flag `fixed-x18`, on AArch64 the option to instrument with [Shadow Call Stack sanitizer](https://clang.llvm.org/docs/ShadowCallStack.html) is then applicable regardless of the target configuration.
At the every least, we would like to relax the restriction on specifically `aarch64-unknonw-none`. For this option, we can include a documentation change saying that users of compiled objects need to ensure that they are linked to runtime with Shadow Call Stack instrumentation support.
Related: #121972
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Based on a suggestion from @kpreid, with some further editing.
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