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Create elided lifetime parameters for function-like types #98279

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merged 11 commits into from Jun 22, 2022
Merged

Create elided lifetime parameters for function-like types #98279

merged 11 commits into from Jun 22, 2022

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cjgillot
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Split from #97720

This PR refactor lifetime generic parameters in bare function types and parenthesized traits to introduce the additional required lifetimes as fresh parameters in a for<> bound.

This PR does the same to lifetimes appearing in closure signatures, and as-if introducing for<> bounds on closures (without the associated change in semantics).

r? @petrochenkov

@rustbot rustbot added the T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. label Jun 20, 2022
@rust-highfive rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Jun 20, 2022
@cjgillot cjgillot marked this pull request as ready for review June 20, 2022 05:26
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petrochenkov
petrochenkov reviewed Jun 20, 2022
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src/test/ui/generator/resume-arg-late-bound.base.stderr Outdated Show resolved Hide resolved
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@petrochenkov petrochenkov added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jun 20, 2022
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@bors try @rust-timer queue

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Awaiting bors try build completion.

@rustbot label: +S-waiting-on-perf

@rustbot rustbot added the S-waiting-on-perf Status: Waiting on a perf run to be completed. label Jun 20, 2022
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bors commented Jun 20, 2022

⌛ Trying commit e49333e590f21257975b6d81fc1de82a4aed9629 with merge 01800f2df4359b120dfa9201183417f1c55064b4...

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@bors try @rust-timer queue

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Awaiting bors try build completion.

@rustbot label: +S-waiting-on-perf

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bors commented Jun 20, 2022

⌛ Trying commit e69d32ea3d242b67ff06a5253b9d59e7f70587c0 with merge 0a2ea8992940f2dabe3c3624452caf797c7aa11c...

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bors commented Jun 20, 2022

☀️ Try build successful - checks-actions
Build commit: 0a2ea8992940f2dabe3c3624452caf797c7aa11c (0a2ea8992940f2dabe3c3624452caf797c7aa11c)

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Queued 0a2ea8992940f2dabe3c3624452caf797c7aa11c with parent b12708f, future comparison URL.

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Finished benchmarking commit (0a2ea8992940f2dabe3c3624452caf797c7aa11c): comparison url.

Instruction count

  • Primary benchmarks: no relevant changes found
  • Secondary benchmarks: 😿 relevant regression found
mean1 max count2
Regressions 😿
(primary)		 N/A N/A 0
Regressions 😿
(secondary)		 0.9% 0.9% 1
Improvements 🎉
(primary)		 N/A N/A 0
Improvements 🎉
(secondary)		 N/A N/A 0
All 😿🎉 (primary) N/A N/A 0

Max RSS (memory usage)

Results
  • Primary benchmarks: 😿 relevant regressions found
  • Secondary benchmarks: mixed results
mean1 max count2
Regressions 😿
(primary)		 1.6% 2.4% 2
Regressions 😿
(secondary)		 2.7% 4.4% 8
Improvements 🎉
(primary)		 N/A N/A 0
Improvements 🎉
(secondary)		 -2.2% -3.3% 3
All 😿🎉 (primary) 1.6% 2.4% 2

Cycles

Results
  • Primary benchmarks: no relevant changes found
  • Secondary benchmarks: 😿 relevant regression found
mean1 max count2
Regressions 😿
(primary)		 N/A N/A 0
Regressions 😿
(secondary)		 2.7% 2.7% 1
Improvements 🎉
(primary)		 N/A N/A 0
Improvements 🎉
(secondary)		 N/A N/A 0
All 😿🎉 (primary) N/A N/A 0

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

Benchmarking this pull request likely means that it is perf-sensitive, so we're automatically marking it as not fit for rolling up. While you can manually mark this PR as fit for rollup, we strongly recommend not doing so since this PR may lead to changes in compiler perf.

@bors rollup=never
@rustbot label: +S-waiting-on-review -S-waiting-on-perf -perf-regression

Footnotes

  1. the arithmetic mean of the percent change ↩ ↩2 ↩3

  2. number of relevant changes ↩ ↩2 ↩3

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r=me with #98279 (comment) addressed and history cleaned up.
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@rustbot rustbot added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jun 21, 2022
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Perf: there is a small (<1%) on a single secondary benchmark, with no discernible trend among non-relevant benchmarks. I considering this is noise-related.

@bors r=petrochenkov

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bors commented Jun 21, 2022

📌 Commit 576661c has been approved by petrochenkov

@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-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Jun 21, 2022
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bors commented Jun 22, 2022

⌛ Testing commit 576661c with merge 10f4ce3...

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bors commented Jun 22, 2022

☀️ Test successful - checks-actions
Approved by: petrochenkov
Pushing 10f4ce3 to master...

@bors bors added the merged-by-bors This PR was explicitly merged by bors. label Jun 22, 2022
@bors bors merged commit 10f4ce3 into rust-lang:master Jun 22, 2022
@rustbot rustbot added this to the 1.63.0 milestone Jun 22, 2022
This was referenced Jun 22, 2022
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Finished benchmarking commit (10f4ce3): comparison url.

Instruction count

  • Primary benchmarks: no relevant changes found
  • Secondary benchmarks: mixed results
mean1 max count2
Regressions 😿
(primary)		 N/A N/A 0
Regressions 😿
(secondary)		 0.4% 0.8% 4
Improvements 🎉
(primary)		 N/A N/A 0
Improvements 🎉
(secondary)		 -0.3% -0.3% 1
All 😿🎉 (primary) N/A N/A 0

Max RSS (memory usage)

Results
  • Primary benchmarks: 😿 relevant regressions found
  • Secondary benchmarks: 😿 relevant regressions found
mean1 max count2
Regressions 😿
(primary)		 2.2% 2.5% 2
Regressions 😿
(secondary)		 2.9% 5.2% 9
Improvements 🎉
(primary)		 N/A N/A 0
Improvements 🎉
(secondary)		 -3.3% -3.3% 1
All 😿🎉 (primary) 2.2% 2.5% 2

Cycles

Results
  • Primary benchmarks: no relevant changes found
  • Secondary benchmarks: 😿 relevant regression found
mean1 max count2
Regressions 😿
(primary)		 N/A N/A 0
Regressions 😿
(secondary)		 2.1% 2.1% 1
Improvements 🎉
(primary)		 N/A N/A 0
Improvements 🎉
(secondary)		 N/A N/A 0
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 ↩3

  2. number of relevant changes ↩ ↩2 ↩3

@cjgillot cjgillot deleted the all-fresh-nofn branch June 22, 2022 16:10
@dtolnay dtolnay mentioned this pull request Jun 30, 2022
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@steffahn steffahn mentioned this pull request Jun 30, 2022
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@apiraino apiraino mentioned this pull request Jul 1, 2022
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@5225225 5225225 mentioned this pull request Aug 4, 2022
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@petrochenkov petrochenkov mentioned this pull request Oct 10, 2022
Merged
Dylan-DPC added a commit to Dylan-DPC/rust that referenced this pull request Oct 15, 2022
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Rollup merge of rust-lang#102884 - petrochenkov:liferib, r=cjgillot
5d29ef5 
resolve: Some cleanup, asserts and tests for lifetime ribs

Follow up to rust-lang#98279 and friends.
r? `@cjgillot`
Dylan-DPC added a commit to Dylan-DPC/rust that referenced this pull request Oct 15, 2022
@Dylan-DPC
Rollup merge of rust-lang#102884 - petrochenkov:liferib, r=cjgillot
39ff2a6 
resolve: Some cleanup, asserts and tests for lifetime ribs

Follow up to rust-lang#98279 and friends.
r? ``@cjgillot``
@matthiaskrgr matthiaskrgr mentioned this pull request Dec 7, 2023
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