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Rollup of 9 pull requests #121240

Merged
merged 19 commits into from
Feb 17, 2024
Merged

Rollup of 9 pull requests #121240

merged 19 commits into from
Feb 17, 2024

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matthiaskrgr
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Successful merges:

r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

onur-ozkan and others added 19 commits February 14, 2024 19:10
This change helps us to bypass downloading the beta compiler in bootstrap tests.

Signed-off-by: onur-ozkan <work@onurozkan.dev>
Subdiagnostics don't need to be lazily translated, they can always be
eagerly translated. Eager translation is slightly more complex as we need
to have a `DiagCtxt` available to perform the translation, which involves
slightly more threading of that context.

This slight increase in complexity should enable later simplifications -
like passing `DiagCtxt` into `AddToDiagnostic` and moving Fluent messages
into the diagnostic structs rather than having them in separate files
(working on that was what led to this change).

Signed-off-by: David Wood <david@davidtw.co>
Strategies B and C both show a full buffer before the capacity increase, while strategy A had one empty element left. Filled the last element in.
Because they all are, in practice.
i386-apple-ios is also a simulator target
Due to missing stamp file, we were downloading (and applying nix patches if enabled)
continuously every time `Config::download_clippy` was called. This change fixes that by
creating stamp file at the end of the function.

Signed-off-by: onur-ozkan <work@onurozkan.dev>
Don't use mem::zeroed in vec::IntoIter

`mem::zeroed` is not a trivial function. Maybe it was once, but now it involves multiple locals, copies, and an intrinsic that gets monomorphized into a call to `panic_nounwind` for iterators of types like `Vec<&T>`. Of course all that complexity is trivially optimized out, but generating a bunch of IR where we don't need to just so we can optimize it away later is silly.
…, r=nnethercote

errors: only eagerly translate subdiagnostics

Subdiagnostics don't need to be lazily translated, they can always be eagerly translated. Eager translation is slightly more complex as we need to have a `DiagCtxt` available to perform the translation, which involves slightly more threading of that context.

This slight increase in complexity should enable later simplifications - like passing `DiagCtxt` into `AddToDiagnostic` and moving Fluent messages into the diagnostic structs rather than having them in separate files (working on that was what led to this change).

r? ```@nnethercote```
…in-tests, r=albertlarsan68

use build.rustc config and skip-stage0-validation flag

This change helps us to bypass downloading the beta compiler in bootstrap tests.

more context: https://rust-lang.zulipchat.com/#narrow/stream/326414-t-infra.2Fbootstrap/topic/tests.20causing.20downloads.20of.20native.20rustc.20for.20other.20platforms/near/421467975
…crum

Fix typo in VecDeque::handle_capacity_increase() doc comment.

Strategies B and C both show a full buffer before the capacity increase, while strategy A had one empty element left. Filled the last element in.
…ent, r=lcnr

Use fulfillment in next trait solver coherence

Use fulfillment in the new trait solver's `impl_intersection_has_impossible_obligation` routine. This means that inference that falls out of processing other obligations can influence whether we can determine if an obligation is impossible to satisfy. See the committed test.

This should be completely sound, since evaluation and fulfillment both respect intercrate mode equally.

We run the risk of breaking coherence later if we were to change the rules of fulfillment and/or inference during coherence, but this is a problem which affects evaluation, as nested obligations from a trait goal are processed together and can influence each other in the same way.

r? lcnr
cc rust-lang#114862

Also changed obligationctxt -> fulfillmentctxt because it feels kind of redundant to use an ocx here. I don't really care enough and can change it back if it really matters much.
…n, r=bjorn3

Make `CodegenBackend::join_codegen` infallible.

Because they all are, in practice.

r? ```@bjorn3```
…ios, r=workingjubilee

Fix `cfg(target_abi = "sim")` on `i386-apple-ios`

Since rust-lang#80970 is stabilizing, I went and had a look, and found that the result was wrong on `i386-apple-ios`.

r? rust-lang/macos
…=albertlarsan68

create stamp file for clippy

Due to missing stamp file, we were downloading (and applying nix patches if enabled) continuously every time `Config::download_clippy` was called. This change fixes that by creating stamp file at the end of the function.

Fixes rust-lang#119442
…rors

remove a couple of redundant clones
@rustbot rustbot added A-translation Area: Translation infrastructure, and migrating existing diagnostics to SessionDiagnostic 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-libs Relevant to the library team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative rollup A PR which is a rollup labels Feb 17, 2024
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@bors r+ rollup=never p=9

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bors commented Feb 17, 2024

📌 Commit eafa74a has been approved by matthiaskrgr

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 Feb 17, 2024
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bors commented Feb 17, 2024

⌛ Testing commit eafa74a with merge cabdf3a...

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bors commented Feb 17, 2024

☀️ Test successful - checks-actions
Approved by: matthiaskrgr
Pushing cabdf3a to master...

@bors bors added the merged-by-bors This PR was explicitly merged by bors. label Feb 17, 2024
@bors bors merged commit cabdf3a into rust-lang:master Feb 17, 2024
12 checks passed
@rustbot rustbot added this to the 1.78.0 milestone Feb 17, 2024
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📌 Perf builds for each rolled up PR:

PR# Message Perf Build Sha
#120952 Don't use mem::zeroed in vec::IntoIter 6bd6b13434f8e35f6874b0bd9878e409b87f5e42 (link)
#121085 errors: only eagerly translate subdiagnostics ff9a4be82884128eaa539ae9a8a000e7aef59fdd (link)
#121091 use build.rustc config and skip-stage0-validation flag 8d828a1fe2436e444e94222d85cd2005c12e65a9 (link)
#121149 Fix typo in VecDeque::handle_capacity_increase() doc commen… bc44224b0d5491f7889f3f984d16c5dace27449c (link)
#121193 Use fulfillment in next trait solver coherence ff42e4bb8a59949109fa7919b7665a52315c6605 (link)
#121209 Make CodegenBackend::join_codegen infallible. bc4d72eeff2e6b7d2c025a7dca81d411f4cb8c12 (link)
#121210 Fix cfg(target_abi = "sim") on i386-apple-ios 42b766796235f2d64ad36eedeff8ef5fab0830a4 (link)
#121228 create stamp file for clippy 195993294d9065c42d581eaecb0041d223b117e8 (link)
#121231 remove a couple of redundant clones b1ac960d1b5c8e5f9dd54b0764b620b2298f239d (link)

previous master: 12b5498f3b

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

@bors bors mentioned this pull request Feb 17, 2024
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Finished benchmarking commit (cabdf3a): comparison URL.

Overall result: ❌ regressions - no action needed

@rustbot label: -perf-regression

Instruction count

This is a highly reliable metric that was used to determine the overall result at the top of this comment.

mean range count
Regressions ❌
(primary)
- - 0
Regressions ❌
(secondary)
3.1% [3.1%, 3.1%] 1
Improvements ✅
(primary)
- - 0
Improvements ✅
(secondary)
- - 0
All ❌✅ (primary) - - 0

Max RSS (memory usage)

Results

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)
5.0% [2.6%, 7.3%] 2
Regressions ❌
(secondary)
3.6% [3.2%, 4.0%] 2
Improvements ✅
(primary)
-5.2% [-5.2%, -5.2%] 1
Improvements ✅
(secondary)
- - 0
All ❌✅ (primary) 1.6% [-5.2%, 7.3%] 3

Cycles

Results

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)
- - 0
Improvements ✅
(primary)
- - 0
Improvements ✅
(secondary)
-2.2% [-2.3%, -2.0%] 4
All ❌✅ (primary) - - 0

Binary size

Results

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)
0.1% [0.1%, 0.1%] 2
Regressions ❌
(secondary)
- - 0
Improvements ✅
(primary)
-0.2% [-0.5%, -0.1%] 38
Improvements ✅
(secondary)
- - 0
All ❌✅ (primary) -0.2% [-0.5%, 0.1%] 40

Bootstrap: 640.589s -> 640.998s (0.06%)
Artifact size: 308.38 MiB -> 306.40 MiB (-0.64%)

@matthiaskrgr matthiaskrgr deleted the rollup-lfb5i9w branch March 16, 2024 18:19
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A-translation Area: Translation infrastructure, and migrating existing diagnostics to SessionDiagnostic 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-libs Relevant to the library team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative
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