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Rollup of 5 pull requests #97835

Merged
merged 12 commits into from
Jun 7, 2022
Merged

Rollup of 5 pull requests #97835

merged 12 commits into from
Jun 7, 2022

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Dylan-DPC
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Successful merges:

Failed merges:

r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

tmiasko and others added 12 commits May 23, 2022 19:07
When constructing a MIR from a THIR field expression, introduce an
additional downcast projection before accessing a field of an enum.

When rebasing a place builder on top of a captured place, account for
the fact that a single HIR enum field projection corresponds to two MIR
projection elements: a downcast element and a field element.
The docs were saying something about "statically initializing" the
mutex, and it's not clear what this means. Remove that part to avoid
confusion.
Co-authored-by: Weiyi Wang <wwylele@gmail.com>
Namely, the two functions `from_ptr` and `from_bytes_with_nul_unchecked`.
Before, this functions didn't state the requirements clearly enough,
and I was not immediately able to find them like for other functions.

This doesn't change the content of the docs, but simply rewords them for
clarity.
… r=RalfJung

Improve the safety docs for `CStr`

Namely, the two functions `from_ptr` and `from_bytes_with_nul_unchecked`.
Before, these functions didn't state the requirements clearly enough,
and I was not immediately able to find them like for other functions.

This doesn't change the content of the docs, but simply rewords them for
clarity.

note: I'm not entirely sure about the '`ptr` must be valid for reads of `u8`.', there might be room for improvement for this (and maybe for the other docs as well 😄)
…-aman

Fix precise field capture of univariant enums

When constructing a MIR from a THIR field expression, introduce an
additional downcast projection before accessing a field of an enum.

When rebasing a place builder on top of a captured place, account for
the fact that a single HIR enum field projection corresponds to two MIR
projection elements: a downcast element and a field element.

Fixes rust-lang#95271.
Fixes rust-lang#96299.
Fixes rust-lang#96512.
Fixes rust-lang#97378.

r? ``@nikomatsakis`` ``@arora-aman``
…=lnicola

⬆️ rust-analyzer

r? ``@ghost``
Remove confusing sentence from `Mutex` docs

The docs were saying something about "statically initializing" the
mutex, and it's not clear what this means. Remove that part to avoid
confusion.
…fo, r=Dylan-DPC

Add more information for rustdoc-gui tests

It was missing `--no-sandbox` in the `--help` message and the README was a bit outdated.

cc `@jsha` (I recall you asking some questions about passing arguments to the rustdoc gui tester so here it).

r? `@notriddle`
@rustbot rustbot added 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. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue. rollup A PR which is a rollup labels Jun 7, 2022
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@bors r+ rollup=never p=5

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bors commented Jun 7, 2022

📌 Commit 4851ec7 has been approved by Dylan-DPC

@bors bors added the S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. label Jun 7, 2022
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bors commented Jun 7, 2022

⌛ Testing commit 4851ec7 with merge 5435ed6...

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bors commented Jun 7, 2022

☀️ Test successful - checks-actions
Approved by: Dylan-DPC
Pushing 5435ed6 to master...

@bors bors added the merged-by-bors This PR was explicitly merged by bors. label Jun 7, 2022
@bors bors merged commit 5435ed6 into rust-lang:master Jun 7, 2022
@rustbot rustbot added this to the 1.63.0 milestone Jun 7, 2022
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Finished benchmarking commit (5435ed6): comparison url.

Instruction count

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

Max RSS (memory usage)

Results
  • Primary benchmarks: 😿 relevant regressions found
  • Secondary benchmarks: 🎉 relevant improvements found
mean1 max count2
Regressions 😿
(primary)
3.5% 3.8% 2
Regressions 😿
(secondary)
N/A N/A 0
Improvements 🎉
(primary)
N/A N/A 0
Improvements 🎉
(secondary)
-3.3% -3.5% 2
All 😿🎉 (primary) 3.5% 3.8% 2

Cycles

Results
  • Primary benchmarks: no relevant changes found
  • Secondary benchmarks: 🎉 relevant improvement found
mean1 max count2
Regressions 😿
(primary)
N/A N/A 0
Regressions 😿
(secondary)
N/A N/A 0
Improvements 🎉
(primary)
N/A N/A 0
Improvements 🎉
(secondary)
-2.9% -2.9% 1
All 😿🎉 (primary) N/A N/A 0

If you disagree with this performance assessment, please file an issue in rust-lang/rustc-perf.

@rustbot label: -perf-regression

Footnotes

  1. the arithmetic mean of the percent change 2

  2. number of relevant changes 2

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8 participants