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Rollup of 9 pull requests #120536

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Successful merges:

r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

Teapot4195 and others added 23 commits January 29, 2024 21:01
- Use `const_io_error` instead of `Error::new`
- Use the same message as `read_exact`
Update the library paths to correctly refer to libdemo{1,2}_hexagon
and switch to the release build instead.

Update references to libstandalone to the specific G0/PIC archive instead.
…piler-errors

Avoid ICE when is_val_statically_known is not of a supported type

2 ICE with 1 stone!
1. Implement `llvm.is.constant.ptr` to avoid first ICE in linked issue.
2. return `false` when the argument is not one of `i*`/`f*`/`ptr` to avoid second ICE.

fixes rust-lang#120480
…r-errors

pattern_analysis: cleanup manual impls

rust-lang#120420 introduced some unneeded manual impls. I remove them here.

r? ``@Nilstrieb``
… r=compiler-errors

never patterns: It is correct to lower `!` to `_`.

This is just a comment update but a non-trivial one: it is correct to lower `!` patterns as `_`. The reasoning is that `!` matches all the possible values of the type, since the type is empty. Moreover, we do want to warn that the `Err` is redundant in:
```rust
match x {
  !,
  Err(!),
}
```
which is consistent with `!` behaving like a wildcard.

I did try to introduce `Constructor::Never` and it ended up needing to behave exactly like `Constructor::Wildcard`.

r? ``@compiler-errors``
…he8472

Improve `io::Read::read_buf_exact` error case

- Use `const_io_error` instead of `Error::new`
- Use the same message as `read_exact`
…, r=cuviper

Store SHOULD_CAPTURE as AtomicU8

`BacktraceStyle` easily fits into a u8, so `SHOULD_CAPTURE`, which is just `Atomic<Option<BacktraceStyle>>`, should be stored as `AtomicU8`
…cuviper

Update data layouts in custom target tests for LLVM 18

Apply the data layout changes from rust-lang#116672 to custom target specs as well, as we started validating them since rust-lang#120062.

Fixes rust-lang#120492.

r? ``@cuviper``
…rors

Be less confident when `dyn` suggestion is not checked for object safety

rust-lang#120275 no longer checks bare traits for object safety when making a `dyn` suggestion on Rust < 2021. In this case, qualify the suggestion with a note that the trait must be object safe, to prevent user confusion as seen in rust-lang#116434

r? ``@fmease``
Remove a bunch of `has_errors` checks that have no meaningful or the wrong effect

r? ``@nnethercote``
…=wesleywiser

Correct paths for hexagon-unknown-none-elf platform doc

Update the library paths to correctly refer to libdemo{1,2}_hexagon and switch to the release build instead.

Update references to libstandalone to the specific G0/PIC archive instead.
@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. T-libs Relevant to the library team, which will review and decide on the PR/issue. rollup A PR which is a rollup labels Jan 31, 2024
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@bors r+ rollup=never p=9

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bors commented Jan 31, 2024

📌 Commit fe7da20 has been approved by matthiaskrgr

It is now in the queue for this repository.

@bors bors removed the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Jan 31, 2024
bors added a commit to rust-lang-ci/rust that referenced this pull request Feb 1, 2024
…iaskrgr

Rollup of 9 pull requests

Successful merges:

 - rust-lang#120484 (Avoid ICE when is_val_statically_known is not of a supported type)
 - rust-lang#120516 (pattern_analysis: cleanup manual impls)
 - rust-lang#120517 (never patterns: It is correct to lower `!` to `_`.)
 - rust-lang#120523 (Improve `io::Read::read_buf_exact` error case)
 - rust-lang#120528 (Store SHOULD_CAPTURE as AtomicU8)
 - rust-lang#120529 (Update data layouts in custom target tests for LLVM 18)
 - rust-lang#120530 (Be less confident when `dyn` suggestion is not checked for object safety)
 - rust-lang#120531 (Remove a bunch of `has_errors` checks that have no meaningful or the wrong effect)
 - rust-lang#120533 (Correct paths for hexagon-unknown-none-elf platform doc)

r? `@ghost`
`@rustbot` modify labels: rollup
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The job armhf-gnu failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)

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bors commented Feb 1, 2024

💔 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 Feb 1, 2024
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@bors retry

2024-02-01T22:15:17.3539633Z thread 'main' panicked at src/tools/remote-test-client/src/main.rs:310:9:
2024-02-01T22:15:17.3540351Z client.read_exact(&mut header) failed with Connection reset by peer (os error 104)

@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 Feb 1, 2024
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is CI back yet? I'm gonna use this PR as a guinea pig. 🤔

@bors p=101

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bors commented Feb 3, 2024

⌛ Testing commit fe7da20 with merge 5bc7414...

bors added a commit to rust-lang-ci/rust that referenced this pull request Feb 3, 2024
…iaskrgr

Rollup of 9 pull requests

Successful merges:

 - rust-lang#120484 (Avoid ICE when is_val_statically_known is not of a supported type)
 - rust-lang#120516 (pattern_analysis: cleanup manual impls)
 - rust-lang#120517 (never patterns: It is correct to lower `!` to `_`.)
 - rust-lang#120523 (Improve `io::Read::read_buf_exact` error case)
 - rust-lang#120528 (Store SHOULD_CAPTURE as AtomicU8)
 - rust-lang#120529 (Update data layouts in custom target tests for LLVM 18)
 - rust-lang#120530 (Be less confident when `dyn` suggestion is not checked for object safety)
 - rust-lang#120531 (Remove a bunch of `has_errors` checks that have no meaningful or the wrong effect)
 - rust-lang#120533 (Correct paths for hexagon-unknown-none-elf platform doc)

r? `@ghost`
`@rustbot` modify labels: rollup
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Job is waiting for a runner from 'ubuntu-20.04-8core-32gb' to come online

Probably not :(

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@bors p=9 when it eventually times out lol

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bors commented Feb 3, 2024

💔 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 Feb 3, 2024
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A job failed! Check out the build log: (web) (plain)

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back to the queue with you

@bors retry

@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 Feb 3, 2024
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@bors p=101

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bors commented Feb 3, 2024

⌛ Testing commit fe7da20 with merge 5976d95...

bors added a commit to rust-lang-ci/rust that referenced this pull request Feb 3, 2024
…iaskrgr

Rollup of 9 pull requests

Successful merges:

 - rust-lang#120484 (Avoid ICE when is_val_statically_known is not of a supported type)
 - rust-lang#120516 (pattern_analysis: cleanup manual impls)
 - rust-lang#120517 (never patterns: It is correct to lower `!` to `_`.)
 - rust-lang#120523 (Improve `io::Read::read_buf_exact` error case)
 - rust-lang#120528 (Store SHOULD_CAPTURE as AtomicU8)
 - rust-lang#120529 (Update data layouts in custom target tests for LLVM 18)
 - rust-lang#120530 (Be less confident when `dyn` suggestion is not checked for object safety)
 - rust-lang#120531 (Remove a bunch of `has_errors` checks that have no meaningful or the wrong effect)
 - rust-lang#120533 (Correct paths for hexagon-unknown-none-elf platform doc)

r? `@ghost`
`@rustbot` modify labels: rollup
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The job x86_64-gnu-aux failed! Check out the build log: (web) (plain)

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bors commented Feb 3, 2024

💔 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 Feb 3, 2024
@matthiaskrgr matthiaskrgr deleted the rollup-wllj7tb branch March 16, 2024 18:20
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