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Add track_caller to transmute_copy #117510

Merged
merged 1 commit into from
Nov 3, 2023
Merged

Add track_caller to transmute_copy #117510

merged 1 commit into from
Nov 3, 2023

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elichai
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@elichai elichai commented Nov 2, 2023

Currently if size_of::<Src>() < size_of::<Dst>() you will see the following error:

thread 'test' panicked at /rustc/cc66ad468955717ab92600c770da8c1601a4ff33/library/core/src/mem/mod.rs:1056:5:
cannot transmute_copy if Dst is larger than Src                                                                               

This fixes it so it will show the invocation location

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rustbot commented Nov 2, 2023

r? @cuviper

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@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-libs Relevant to the library team, which will review and decide on the PR/issue. labels Nov 2, 2023
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cuviper commented Nov 2, 2023

Sounds good!

@bors r+

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bors commented Nov 2, 2023

📌 Commit 5e49a41 has been approved by cuviper

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 Nov 2, 2023
@RalfJung
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RalfJung commented Nov 3, 2023

This could have perf impact.
@bors rollup=never

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bors commented Nov 3, 2023

⌛ Testing commit 5e49a41 with merge 4911224...

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bors commented Nov 3, 2023

☀️ Test successful - checks-actions
Approved by: cuviper
Pushing 4911224 to master...

@bors bors added the merged-by-bors This PR was explicitly merged by bors. label Nov 3, 2023
@bors bors merged commit 4911224 into rust-lang:master Nov 3, 2023
12 checks passed
@rustbot rustbot added this to the 1.75.0 milestone Nov 3, 2023
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Finished benchmarking commit (4911224): comparison URL.

Overall result: ❌ regressions - ACTION NEEDED

Next Steps: If you can justify the regressions found in this perf run, please indicate this with @rustbot label: +perf-regression-triaged along with sufficient written justification. If you cannot justify the regressions please open an issue or create a new PR that fixes the regressions, add a comment linking to the newly created issue or PR, and then add the perf-regression-triaged label to this PR.

@rustbot label: +perf-regression
cc @rust-lang/wg-compiler-performance

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)
0.4% [0.4%, 0.4%] 3
Regressions ❌
(secondary)
- - 0
Improvements ✅
(primary)
- - 0
Improvements ✅
(secondary)
- - 0
All ❌✅ (primary) 0.4% [0.4%, 0.4%] 3

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)
- - 0
Regressions ❌
(secondary)
- - 0
Improvements ✅
(primary)
-1.5% [-1.5%, -1.5%] 1
Improvements ✅
(secondary)
- - 0
All ❌✅ (primary) -1.5% [-1.5%, -1.5%] 1

Cycles

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

Binary size

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

Bootstrap: 637.374s -> 635.971s (-0.22%)
Artifact size: 304.45 MiB -> 304.52 MiB (0.02%)

@rustbot rustbot added the perf-regression Performance regression. label Nov 3, 2023
bors-ferrocene bot added a commit to ferrocene/ferrocene that referenced this pull request Nov 6, 2023
84: Automated pull from upstream `master` r=Dajamante a=github-actions[bot]


This PR pulls the following changes from the upstream repository:

* rust-lang/rust#117585
* rust-lang/rust#117576
* rust-lang/rust#96979
* rust-lang/rust#117191
* rust-lang/rust#117179
* rust-lang/rust#117574
* rust-lang/rust#117537
* rust-lang/rust#117608
  * rust-lang/rust#117596
  * rust-lang/rust#117588
  * rust-lang/rust#117524
  * rust-lang/rust#116017
* rust-lang/rust#117504
* rust-lang/rust#117469
* rust-lang/rust#116218
* rust-lang/rust#117589
* rust-lang/rust#117581
* rust-lang/rust#117503
* rust-lang/rust#117590
  * rust-lang/rust#117583
  * rust-lang/rust#117570
  * rust-lang/rust#117562
  * rust-lang/rust#117534
  * rust-lang/rust#116894
  * rust-lang/rust#110340
* rust-lang/rust#113343
* rust-lang/rust#117579
* rust-lang/rust#117094
* rust-lang/rust#117566
* rust-lang/rust#117564
  * rust-lang/rust#117554
  * rust-lang/rust#117550
  * rust-lang/rust#117343
* rust-lang/rust#115274
* rust-lang/rust#117540
* rust-lang/rust#116412
* rust-lang/rust#115333
* rust-lang/rust#117507
* rust-lang/rust#117538
  * rust-lang/rust#117533
  * rust-lang/rust#117523
  * rust-lang/rust#117520
  * rust-lang/rust#117505
  * rust-lang/rust#117434
* rust-lang/rust#117535
* rust-lang/rust#117510
* rust-lang/rust#116439
* rust-lang/rust#117508



Co-authored-by: Ben Wiederhake <BenWiederhake.GitHub@gmx.de>
Co-authored-by: SabrinaJewson <sejewson@gmail.com>
Co-authored-by: J-ZhengLi <lizheng135@huawei.com>
Co-authored-by: koka <koka.code@gmail.com>
Co-authored-by: bjorn3 <17426603+bjorn3@users.noreply.github.com>
Co-authored-by: Joshua Liebow-Feeser <joshlf@users.noreply.github.com>
Co-authored-by: lengyijun <sjtu5140809011@gmail.com>
Co-authored-by: Zalathar <Zalathar@users.noreply.github.com>
Co-authored-by: Oli Scherer <git-spam-no-reply9815368754983@oli-obk.de>
Co-authored-by: Philipp Krones <hello@philkrones.com>
Co-authored-by: y21 <30553356+y21@users.noreply.github.com>
Co-authored-by: bors <bors@rust-lang.org>
Co-authored-by: bohan <bohan-zhang@foxmail.com>
@pnkfelix
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pnkfelix commented Nov 7, 2023

@rustbot label: +perf-regression-triaged

@rustbot rustbot added the perf-regression-triaged The performance regression has been triaged. label Nov 7, 2023
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7 participants