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Rollup of 9 pull requests #107311

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Successful merges:

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r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

mejrs and others added 28 commits January 12, 2023 00:11
Parse `-> Ty | OtherTy`.
Parse type ascription in top level patterns.
there were fixmes for this already

i am about to remove is_ptr (since callers need to properly distinguish
between pointers in different address spaces), so might as well do this
at the same time
...and remove it from `PointeeInfo`, which isn't meant for this.

There are still various places (marked with FIXMEs) that assume all pointers
have the same size and alignment. Fixing this requires parsing non-default
address spaces in the data layout string, which will be done in a followup.
Teach parser to understand fake anonymous enum syntax

Parse `Ty | OtherTy` in function argument and return types.
Parse type ascription in top level patterns.

Minimally address rust-lang#100741.
…i-obk

Custom MIR: Support binary and unary operations

Lower binary and unary operations directly to corresponding unchecked MIR
operations. Ultimately this might not be syntax we want, but it allows for
experimentation in the meantime.

r? ```@oli-obk``` ```@JakobDegen```
…, r=albertlarsan68

Print PID holding bootstrap build lock on Linux

Partially address rust-lang#107077

Parse `/proc/locks` to find the PID of the process which created the build directory lock
…ush, r=estebank

Fix escaping inference var ICE in `point_at_expr_source_of_inferred_type`

Fixes rust-lang#107158

`point_at_expr_source_of_inferred_type` uses `lookup_probe` to adjust the self type of a method receiver -- but that method returns inference variables from inside a probe. That means that the ty vars are no longer valid, so we can't use any infcx methods on them.

Also, pass some extra span info to hack a quick solution to bad labels, resulting in this diagnostic improvement:

```rust
fn example2() {
    let mut x = vec![1];
    x.push("");
}
```

```diff
  error[E0308]: mismatched types
   --> src/main.rs:5:12
    |
  5 |     x.push("");
    |       ---- ^^
    |       |    |
    |       |    expected integer, found `&str`
-   |       |    this is of type `&'static str`, which causes `x` to be inferred as `Vec<{integer}>`
    |       arguments to this method are incorrect
```
(since that "which causes `x` to be inferred as `Vec<{integer}>` part is wrong)

r? ``@estebank``

(we really should make this code better in general, cc rust-lang#106590, but that's a bit bigger issue that needs some more thinking about)
…etrochenkov

suggest qualifying bare associated constants

Fixes rust-lang#107199.
abi: add AddressSpace field to Primitive::Pointer

...and remove it from `PointeeInfo`, which isn't meant for this.

There are still various places (marked with FIXMEs) that assume all pointers
have the same size and alignment. Fixing this requires parsing non-default
address spaces in the data layout string (and various other changes),
which will be done in a followup.
(That is, if it's actually worth it to support multiple different pointer sizes.
There is a lot of code that would be affected by that.)

Fixes rust-lang#106367

r? `@oli-obk`
cc `@Patryk27`
…edicates, r=lcnr

Implement ObjectSafe and WF in the new solver

r? `@lcnr`
…and-generator, r=lcnr

Implement `Generator` and `Future` in the new solver

r? `@lcnr`
@rustbot rustbot added A-translation Area: Translation infrastructure, and migrating existing diagnostics to SessionDiagnostic S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jan 25, 2023
@rustbot rustbot added T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver) rollup A PR which is a rollup labels Jan 25, 2023
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@bors r+ rollup=never p=9

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bors commented Jan 25, 2023

📌 Commit efca03b has been approved by matthiaskrgr

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 Jan 25, 2023
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bors commented Jan 26, 2023

🔒 Merge conflict

This pull request and the master branch diverged in a way that cannot be automatically merged. Please rebase on top of the latest master branch, and let the reviewer approve again.

How do I rebase?

Assuming self is your fork and upstream is this repository, you can resolve the conflict following these steps:

  1. git checkout rollup-ioxzj1r (switch to your branch)
  2. git fetch upstream master (retrieve the latest master)
  3. git rebase upstream/master -p (rebase on top of it)
  4. Follow the on-screen instruction to resolve conflicts (check git status if you got lost).
  5. git push self rollup-ioxzj1r --force-with-lease (update this PR)

You may also read Git Rebasing to Resolve Conflicts by Drew Blessing for a short tutorial.

Please avoid the "Resolve conflicts" button on GitHub. It uses git merge instead of git rebase which makes the PR commit history more difficult to read.

Sometimes step 4 will complete without asking for resolution. This is usually due to difference between how Cargo.lock conflict is handled during merge and rebase. This is normal, and you should still perform step 5 to update this PR.

Error message
Auto-merging compiler/rustc_trait_selection/src/solve/trait_goals.rs
CONFLICT (content): Merge conflict in compiler/rustc_trait_selection/src/solve/trait_goals.rs
Auto-merging compiler/rustc_trait_selection/src/solve/project_goals.rs
CONFLICT (content): Merge conflict in compiler/rustc_trait_selection/src/solve/project_goals.rs
Auto-merging compiler/rustc_trait_selection/src/solve/assembly.rs
CONFLICT (content): Merge conflict in compiler/rustc_trait_selection/src/solve/assembly.rs
Automatic merge failed; fix conflicts and then commit the result.

@bors bors 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-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Jan 26, 2023
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@bors r- sorry, merge conflict in #107285

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bors commented Jan 26, 2023

☔ The latest upstream changes (presumably #107309) made this pull request unmergeable. Please resolve the merge conflicts.

@matthiaskrgr matthiaskrgr deleted the rollup-ioxzj1r branch March 16, 2024 18:19
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A-translation Area: Translation infrastructure, and migrating existing diagnostics to SessionDiagnostic rollup A PR which is a rollup S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
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