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Some compare_method tweaks #106129

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merged 5 commits into from
Dec 28, 2022
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@compiler-errors compiler-errors commented Dec 24, 2022

  1. Make some of the comparison functions' names more regular
  2. Reduce pub scope of some of the things in compare_method
    3. Remove some unnecessary opaque type handling code -- InferCtxt already is in a mode that doesn't define opaque types
  • moved to a different PR
  1. Bubble up ErrorGuaranteed for region constraint errors in compare_method - Improves a redundant error message in one unit test.
  2. Move the compare_method module to have a more general name, since it's more like compare_impl_item :)
  3. Rename collect_trait_impl_trait_tys

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rustbot commented Dec 24, 2022

r? @Nilstrieb

(rustbot has picked a reviewer for you, use r? to override)

@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Dec 24, 2022
@@ -16,28 +16,8 @@ LL | type B<'a, 'b> where 'a: 'b;
LL | type B<'a, 'b> = (&'a(), &'b ()) where 'b: 'a;
| ^^ impl has extra requirement `'b: 'a`

error[E0478]: lifetime bound not satisfied
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@compiler-errors compiler-errors Dec 24, 2022

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This error is now not emitted since we return ErrorGuaranteed in compare_type_predicate_entailment, which means we never get to check_type_bounds which is where this error is reported.

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The changes look good but I'm not familiar with the code so I'll r? types for further review.

@rustbot rustbot assigned oli-obk and unassigned Noratrieb Dec 27, 2022
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BoxyUwU commented Dec 28, 2022

@bors r+

nice to see my FIXME get FIXME'd

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bors commented Dec 28, 2022

📌 Commit 96d8011 has been approved by BoxyUwU

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 Dec 28, 2022
@BoxyUwU BoxyUwU assigned BoxyUwU and unassigned oli-obk Dec 28, 2022
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bors commented Dec 28, 2022

⌛ Testing commit 96d8011 with merge 83a28ef...

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bors commented Dec 28, 2022

☀️ Test successful - checks-actions
Approved by: BoxyUwU
Pushing 83a28ef to master...

@bors bors added the merged-by-bors This PR was explicitly merged by bors. label Dec 28, 2022
@bors bors merged commit 83a28ef into rust-lang:master Dec 28, 2022
@rustbot rustbot added this to the 1.68.0 milestone Dec 28, 2022
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Finished benchmarking commit (83a28ef): comparison URL.

Overall result: no relevant changes - no action needed

@rustbot label: -perf-regression

Instruction count

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

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)
-2.5% [-2.5%, -2.5%] 1
Improvements ✅
(secondary)
-1.6% [-2.3%, -0.6%] 3
All ❌✅ (primary) -2.5% [-2.5%, -2.5%] 1

Cycles

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

@compiler-errors compiler-errors deleted the compare_method-tweaks branch December 28, 2022 18:44
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this pull request Dec 29, 2022
…n-err, r=estebank

Make trait/impl `where` clause mismatch on region error a bit more actionable

Improve `where` clause suggestions for GATs/methods that have incompatible region predicates in their `where` clauses.

Also addresses this diagnostic that went away rust-lang#106129 (comment)
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this pull request Dec 29, 2022
…n-err, r=estebank

Make trait/impl `where` clause mismatch on region error a bit more actionable

Improve `where` clause suggestions for GATs/methods that have incompatible region predicates in their `where` clauses.

Also addresses this diagnostic that went away rust-lang#106129 (comment)
Aaron1011 pushed a commit to Aaron1011/rust that referenced this pull request Jan 6, 2023
…s, r=BoxyUwU

Some `compare_method` tweaks

1. Make some of the comparison functions' names more regular
2. Reduce pub scope of some of the things in `compare_method`
~3. Remove some unnecessary opaque type handling code -- `InferCtxt` already is in a mode that doesn't define opaque types~
  * moved to a different PR
4. Bubble up `ErrorGuaranteed` for region constraint errors in `compare_method` - Improves a redundant error message in one unit test.
5. Move the `compare_method` module to have a more general name, since it's more like `compare_impl_item` :)
6. Rename `collect_trait_impl_trait_tys`
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7 participants