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Rollup of 7 pull requests #131635

Merged
merged 15 commits into from
Oct 13, 2024
Merged

Rollup of 7 pull requests #131635

merged 15 commits into from
Oct 13, 2024

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tgross35
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Successful merges:

r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

heiher and others added 15 commits October 6, 2024 11:57
Otherwise `error-pattern` on the test run stderr can incorrectly match
if e.g. the paths in panic backtrace has a matching substring (like if
we look for `bar` in the error pattern but username is `baron`).
When rust-lang/rust is configured as remote, some of the git
logic (for tracking changed files) that uses get_closest_merge_commit
starts to produce annoying results as the upstream branch becomes outdated
quickly (since it isn't updated with git pull). We can rely on HEAD for
non-CI environments as we specifically treat bors commits as merge commits,
which also exist on upstream. As for CI environments, we should use
`git_upstream_merge_base` to correctly track modified files as bors commits
may be in `HEAD` but not yet on the upstream remote.

Signed-off-by: onur-ozkan <[email protected]>
This makes the following API stable in const contexts:

    impl<T> Option<T> {
        pub const fn as_mut(&mut self) -> Option<&mut T>;
        pub const fn expect(self, msg: &str) -> T;
        pub const fn unwrap(self) -> T;
        pub const unsafe fn unwrap_unchecked(self) -> T;
        pub const fn take(&mut self) -> Option<T>;
        pub const fn replace(&mut self, value: T) -> Option<T>;
    }

    impl<T> Option<&T> {
        pub const fn copied(self) -> Option<T>
        where T: Copy;
    }

    impl<T> Option<&mut T> {
        pub const fn copied(self) -> Option<T>
        where T: Copy;
    }

    impl<T, E> Option<Result<T, E>> {
        pub const fn transpose(self) -> Result<Option<T>, E>
    }

    impl<T> Option<Option<T>> {
        pub const fn flatten(self) -> Option<T>;
    }

The following functions make use of the unstable
`const_precise_live_drops` feature:

- `expect`
- `unwrap`
- `unwrap_unchecked`
- `transpose`
- `flatten`

Fixes: <rust-lang#67441>
…=RalfJung

Stabilize `const_option`

This makes the following API stable in const contexts:

```rust
impl<T> Option<T> {
    pub const fn as_mut(&mut self) -> Option<&mut T>;
    pub const fn expect(self, msg: &str) -> T;
    pub const fn unwrap(self) -> T;
    pub const unsafe fn unwrap_unchecked(self) -> T;
    pub const fn take(&mut self) -> Option<T>;
    pub const fn replace(&mut self, value: T) -> Option<T>;
}

impl<T> Option<&T> {
    pub const fn copied(self) -> Option<T>
    where T: Copy;
}

impl<T> Option<&mut T> {
    pub const fn copied(self) -> Option<T>
    where T: Copy;
}

impl<T, E> Option<Result<T, E>> {
    pub const fn transpose(self) -> Result<Option<T>, E>
}

impl<T> Option<Option<T>> {
    pub const fn flatten(self) -> Option<T>;
}
```

The following functions make use of the unstable `const_precise_live_drops` feature:

- `expect`
- `unwrap`
- `unwrap_unchecked`
- `transpose`
- `flatten`

Fixes: <rust-lang#67441>
…mulacrum

Enable sanitizers for loongarch64-unknown-*

Enable sanitizers for `loongarch64-unknown-linux-{gnu,musl,ohos}` targets.
force "HEAD" for non-CI and `git_upstream_merge_base` for CI environment

When rust-lang/rust is configured as remote, some of the git logic (for tracking changed files) that uses get_closest_merge_commit starts to produce annoying results as the upstream branch becomes outdated quickly (since it isn't updated with git pull). We can rely on HEAD for non-CI environments as we specifically treat bors commits as merge commits, which also exist on upstream. As for CI environments, we should use `git_upstream_merge_base` to correctly track modified files as bors commits may be in `HEAD` but not yet on the upstream remote.

This is also an alternative fix for rust-lang#129528 since rust-lang#131331 reverts the previous fix attempts.
… r=bjorn3

Use throw intrinsic from stdarch in wasm libunwind

Tracking issue: rust-lang#118168

This is a very belated followup to rust-lang#121438; now that rust-lang/stdarch#1542 is merged, we can use the intrinsic exported from `core::arch` instead of defining it inline. I also cleaned up the cfgs a bit and added a more detailed comment.
…iler-errors

Remap path prefix in the panic message of `tests/ui/meta/revision-bad.rs`

Otherwise `error-pattern` on the test run stderr can incorrectly match if the paths in panic backtrace has a matching substring (like if we look for `bar` in the error pattern, but the username is `baron`).

Tested locally by checking run output `./x test .\tests\ui\meta\revision-bad.rs -- -- --nocapture`:

```
--- stderr -------------------------------
thread 'main' panicked at remapped\meta\revision-bad.rs:14:5:
foo
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
------------------------------------------
```

Fixes rust-lang#130996.
remove a couple of redundant String to String conversion
@rustbot rustbot added A-testsuite Area: The testsuite used to check the correctness of rustc S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-infra Relevant to the infrastructure team, which will review and decide on the PR/issue. T-libs Relevant to the library team, which will review and decide on the PR/issue. rollup A PR which is a rollup labels Oct 13, 2024
@tgross35
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@bors r+ rollup=never p=7

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bors commented Oct 13, 2024

📌 Commit 39071fd has been approved by tgross35

It is now in the queue for this repository.

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Oct 13, 2024
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bors commented Oct 13, 2024

⌛ Testing commit 39071fd with merge ecf2d1f...

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bors commented Oct 13, 2024

☀️ Test successful - checks-actions
Approved by: tgross35
Pushing ecf2d1f to master...

@bors bors added the merged-by-bors This PR was explicitly merged by bors. label Oct 13, 2024
@bors bors merged commit ecf2d1f into rust-lang:master Oct 13, 2024
7 checks passed
@rustbot rustbot added this to the 1.83.0 milestone Oct 13, 2024
@tgross35 tgross35 deleted the rollup-df8il2t branch October 13, 2024 06:26
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📌 Perf builds for each rolled up PR:

PR# Message Perf Build Sha
#131120 Stabilize const_option 2c92a1bed76d9e7f359b42c16383a52b4c977f35 (link)
#131334 Enable sanitizers for loongarch64-unknown-* 996be7c73498f036c5f28cdd370fc7e8ec2cb942 (link)
#131358 force "HEAD" for non-CI and git_upstream_merge_base for C… 1a2e68af069e444ae25be0128a963d2ceb263e89 (link)
#131418 Use throw intrinsic from stdarch in wasm libunwind f4a13632677e617d0c80e63af370a20d6f6a0eda (link)
#131579 Remap path prefix in the panic message of `tests/ui/meta/re… fc3510a68506e39b455091bc33b283eff8ad4d38 (link)
#131591 add latest crash tests 41154c5012bb05d42aa132e38569c6f3be012ce5 (link)
#131626 remove a couple of redundant String to String conversion 84b8028068def3e417a9b8d83aedaaeb39352907 (link)

previous master: ef4e8259b5

In the case of a perf regression, run the following command for each PR you suspect might be the cause: @rust-timer build $SHA

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Finished benchmarking commit (ecf2d1f): comparison URL.

Overall result: ✅ improvements - no action needed

@rustbot label: -perf-regression

Instruction count

This is the most reliable metric that we have; it was used to determine the overall result at the top of this comment. However, even this metric can sometimes exhibit noise.

mean range count
Regressions ❌
(primary)
- - 0
Regressions ❌
(secondary)
- - 0
Improvements ✅
(primary)
- - 0
Improvements ✅
(secondary)
-0.3% [-0.3%, -0.3%] 1
All ❌✅ (primary) - - 0

Max RSS (memory usage)

Results (primary 1.8%)

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

mean range count
Regressions ❌
(primary)
3.3% [2.1%, 4.6%] 2
Regressions ❌
(secondary)
- - 0
Improvements ✅
(primary)
-1.3% [-1.3%, -1.3%] 1
Improvements ✅
(secondary)
- - 0
All ❌✅ (primary) 1.8% [-1.3%, 4.6%] 3

Cycles

Results (secondary 2.4%)

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

mean range count
Regressions ❌
(primary)
- - 0
Regressions ❌
(secondary)
2.4% [2.4%, 2.4%] 2
Improvements ✅
(primary)
- - 0
Improvements ✅
(secondary)
- - 0
All ❌✅ (primary) - - 0

Binary size

This benchmark run did not return any relevant results for this metric.

Bootstrap: 781.811s -> 781.228s (-0.07%)
Artifact size: 332.08 MiB -> 332.08 MiB (-0.00%)

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A-testsuite Area: The testsuite used to check the correctness of rustc merged-by-bors This PR was explicitly merged by bors. rollup A PR which is a rollup S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-infra Relevant to the infrastructure team, which will review and decide on the PR/issue. T-libs Relevant to the library team, which will review and decide on the PR/issue.
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9 participants