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Rollup of 8 pull requests #102139

Merged
merged 19 commits into from
Sep 22, 2022
Merged

Rollup of 8 pull requests #102139

merged 19 commits into from
Sep 22, 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

Patiga and others added 19 commits September 20, 2022 02:56
The documentation states that this `ErrorKind` is not used by the
standard library. Instead, `io::ErrorKind::Uncategorized` should be
used.
This avoids toil when changing other functions in `ObligationForest` to take an `OUT` parameter.
In particular, this allows rustdoc to recover from cycle errors when normalizing associated types for documentation.

In the past, `@jackh726` has said we need to be careful about overflow errors:

> Off the top of my head, we definitely should be careful about treating overflow errors the same as
"not implemented for some reason" errors. Otherwise, you could end up with behavior that is
different depending on recursion depth. But, that might be context-dependent.

But cycle errors should be safe to unconditionally report; they don't depend on the recursion depth, they will always be an error whenever they're encountered.
This patch updates sanitizier support definitions for Android inside the
compiler.  It also adjusts the logic to make sure no pre-built sanitizer
runtime libraries are emitted as these are instead provided dynamically
on Android targets.
…holk

Update rustc's information on Android's sanitizers

This patch updates sanitizer support definitions for Android inside the compiler.  It also adjusts the logic to make sure no pre-built sanitizer runtime libraries are emitted as these are instead provided dynamically on Android targets.
…se-in-std, r=Mark-Simulacrum

Remove use of `io::ErrorKind::Other` in std

The documentation states that this `ErrorKind` is not used by the standard library. Instead, `io::ErrorKind::Uncategorized` should be used.

The two instances are in the unstable API [linux_pidfd](rust-lang#82971).
Make cycle errors recoverable

In particular, this allows rustdoc to recover from cycle errors when normalizing associated types for documentation.

In the past, ```@jackh726``` has said we need to be careful about overflow errors: rust-lang#91430 (comment)

> Off the top of my head, we definitely should be careful about treating overflow errors the same as
"not implemented for some reason" errors. Otherwise, you could end up with behavior that is
different depending on recursion depth. But, that might be context-dependent.

But cycle errors should be safe to unconditionally report; they don't depend on the recursion depth, they will always be an error whenever they're encountered.

Helps with rust-lang#81091.

r? ```@lcnr``` cc ```@matthewjasper```
…opaque, r=oli-obk

Skip `Equate` relation in `handle_opaque_type`

r? ``@oli-obk``
…jackh726

rustc_transmute: fix big-endian discriminants

I noticed that some new tests were failing in Fedora on s390x only, which usually means there's a problem with big-endian, and sure enough there's a FIXME(``@jswrenn)`` for that in `rustc_transmute`. This patch implements the appropriate consideration for target endianness, rather than using native (host) endian.
…-where-clause, r=GuillaumeGomez

Add missing space between notable trait tooltip and where clause

This PR add a missing space between the notable trait tooltip and the where clause.

The issue can be seeing on the [BufRead](https://doc.rust-lang.org/nightly/std/io/trait.BufRead.html) page.

Added a simple snapshot regression test in `src/test/rustdoc/where.rs`.

Before:
![image](https://user-images.githubusercontent.com/3616612/191566999-2f80e138-29c9-4f66-8bed-07781cbd9783.png)

After:
![image](https://user-images.githubusercontent.com/3616612/191567025-0ed3f7d4-7cec-4788-901f-5980fc241daa.png)

r? `@GuillaumeGomez`
Added which number is computed in compute_float.

The original comment was very elaborate but ultimately did not mention at all what is being computed using parameters `w, q`, only referencing an external article for the algorithm.
@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 Sep 22, 2022
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@bors r+ rollup=never p=5

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bors commented Sep 22, 2022

📌 Commit 33b7ff1 has been approved by Dylan-DPC

It is now in the queue for this repository.

@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 Sep 22, 2022
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bors commented Sep 22, 2022

⌛ Testing commit 33b7ff1 with merge 89e4e1f...

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bors commented Sep 22, 2022

☀️ Test successful - checks-actions
Approved by: Dylan-DPC
Pushing 89e4e1f to master...

@bors bors added the merged-by-bors This PR was explicitly merged by bors. label Sep 22, 2022
@bors bors merged commit 89e4e1f into rust-lang:master Sep 22, 2022
@rustbot rustbot added this to the 1.66.0 milestone Sep 22, 2022
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Finished benchmarking commit (89e4e1f): 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.

mean1 range count2
Regressions ❌
(primary)
- - 0
Regressions ❌
(secondary)
- - 0
Improvements ✅
(primary)
-2.2% [-3.2%, -0.6%] 3
Improvements ✅
(secondary)
- - 0
All ❌✅ (primary) -2.2% [-3.2%, -0.6%] 3

Cycles

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

Footnotes

  1. the arithmetic mean of the percent change

  2. number of relevant changes

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merged-by-bors This PR was explicitly merged by bors. rollup A PR which is a rollup S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. 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.
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