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Point at overlapping impls when type annotations are needed #89427

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merged 2 commits into from
Oct 25, 2021
Merged

Point at overlapping impls when type annotations are needed #89427

merged 2 commits into from
Oct 25, 2021

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estebank
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@estebank estebank commented Oct 1, 2021 •
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Address #89254.

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r? @petrochenkov

(rust-highfive has picked a reviewer for you, use r? to override)

@rust-highfive rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Oct 1, 2021
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estebank commented Oct 1, 2021

@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 Oct 1, 2021
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bors commented Oct 1, 2021

⌛ Trying commit ce9b15e5fe151c352daef9a952be011112cfe881 with merge 96d6dfc04cc7ea021ad7b494bfbb0041be4e083c...

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estebank commented Oct 1, 2021

@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 Oct 1, 2021

⌛ Trying commit a6b97196c4c1ff8acf22d3b2f27848de9c325a4e with merge 19148e7dc43cf0314f81a60dd944631ca719942c...

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r? @rust-lang/wg-traits

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It didn't work, selecting a random active member.
r? @spastorino

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bors commented Oct 1, 2021

☀️ Try build successful - checks-actions
Build commit: 19148e7dc43cf0314f81a60dd944631ca719942c (19148e7dc43cf0314f81a60dd944631ca719942c)

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Queued 19148e7dc43cf0314f81a60dd944631ca719942c with parent 69eb996, future comparison URL.

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Finished benchmarking commit (19148e7dc43cf0314f81a60dd944631ca719942c): comparison url.

Summary: This change led to moderate relevant improvements 🎉 in compiler performance.

  • Moderate improvement in instruction counts (up to -0.7% on full builds of diesel)

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 led to changes in compiler perf.

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

@rustbot rustbot removed the S-waiting-on-perf Status: Waiting on a perf run to be completed. label Oct 1, 2021
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jackh726 commented Oct 1, 2021

It didn't work, selecting a random active member.

Yeah, should be "rust-lang/traits", but it might be prudent to make "wg-traits" an alias for that.

@estebank estebank changed the title [wip] Point at overlapping impls when type annotations are needed Point at overlapping impls when type annotations are needed Oct 4, 2021
nikomatsakis
nikomatsakis reviewed Oct 4, 2021
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this looks good to me! I didn't give it a detailed read, though, so maybe better for @spastorino or others to look a touch more closely at the code.

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bors commented Oct 8, 2021

☔ The latest upstream changes (presumably #89576) made this pull request unmergeable. Please resolve the merge conflicts.

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@spastorino ping

@jackh726 jackh726 added the S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. label Oct 23, 2021
estebank
estebank commented Oct 24, 2021
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src/test/ui/traits/multidispatch-convert-ambig-dest.stderr
Comment on lines +28 to +31
help: consider specifying the type arguments in the function call
|
LL | test::<T, U>(22, std::default::Default::default());
| ++++++++
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Here we should try and figure out that T is a type we can infer, while U is not, for a more targeted suggestion.

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@bors r=jackh726

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bors commented Oct 24, 2021

📌 Commit 8c2bed87beb9558feaa310a2dc8d93f67edf2705 has been approved by jackh726

@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 Oct 24, 2021
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bors commented Oct 24, 2021

⌛ Testing commit 8c2bed87beb9558feaa310a2dc8d93f67edf2705 with merge 3296562b6104d82890a18c6ce7073df9032be3f9...

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bors commented Oct 24, 2021

💔 Test failed - checks-actions

@bors bors added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Oct 24, 2021
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@bors r=jackh726

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bors commented Oct 24, 2021

📌 Commit 881a50c has been approved by jackh726

@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 Oct 24, 2021
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bors commented Oct 24, 2021

⌛ Testing commit 881a50c with merge 41d8c94...

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bors commented Oct 25, 2021

☀️ Test successful - checks-actions
Approved by: jackh726
Pushing 41d8c94 to master...

@bors bors added the merged-by-bors This PR was explicitly merged by bors. label Oct 25, 2021
@bors bors merged commit 41d8c94 into rust-lang:master Oct 25, 2021
@rustbot rustbot added this to the 1.58.0 milestone Oct 25, 2021
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Finished benchmarking commit (41d8c94): comparison url.

Summary: This benchmark run did not return any relevant changes.

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

@rustbot label: -perf-regression

@spastorino spastorino mentioned this pull request Oct 25, 2021
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@JakobDegen JakobDegen mentioned this pull request Oct 27, 2021
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@SNCPlay42 SNCPlay42 mentioned this pull request Jan 29, 2022
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@estebank estebank deleted the collect-overlapping-impls branch November 9, 2023 05:14
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