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Rollup of 7 pull requests #91945

Merged
merged 32 commits into from
Dec 15, 2021
Merged

Rollup of 7 pull requests #91945

merged 32 commits into from
Dec 15, 2021

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matthiaskrgr
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Successful merges:

Failed merges:

r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

tmiasko and others added 30 commits December 13, 2021 00:00
The resulting profile will include the crate name and will be stored in
the `--out-dir` directory.

This implementation makes it convenient to use LLVM time trace together
with cargo, in the contrast to the previous implementation which would
overwrite profiles or store them in `.cargo/registry/..`.
Keep track of the origin of a `T: Future` obligation when caused by an
`.await` expression.

Address rust-lang#66731.
…" suggestion

Keep the `HirId` of `.await`ed expressions so in the case of a `fn` call
on on a sync `fn`, we can suggest maybe turning it into an `async fn`.
The spans no longer overlap, so we no longer need to specialize the
output depending on whether they would.
…f not set."

This reverts commit b376f56, which is
the main part of rust-lang#90499, because it turns out that this causes a good
amount of breakage in crates relying on the old behavior.

Fixes rust-lang#91372.
Tweak errors coming from `for`-loop, `?` and `.await` desugaring

 * Suggest removal of `.await` on non-`Future` expression
 * Keep track of obligations introduced by desugaring
 * Remove span pointing at method for obligation errors coming from desugaring
 * Point at called local sync `fn` and suggest making it `async`

```
error[E0277]: `()` is not a future
  --> $DIR/unnecessary-await.rs:9:10
   |
LL |     boo().await;
   |     -----^^^^^^ `()` is not a future
   |     |
   |     this call returns `()`
   |
   = help: the trait `Future` is not implemented for `()`
help: do not `.await` the expression
   |
LL -     boo().await;
LL +     boo();
   |
help: alternatively, consider making `fn boo` asynchronous
   |
LL | async fn boo () {}
   | +++++
```

Fix rust-lang#66731.
Iterator::cycle() — document empty iterator special case
Use `OutputFilenames` to generate output file for `-Zllvm-time-trace`

The resulting profile will include the crate name and will be stored in
the `--out-dir` directory.

This implementation makes it convenient to use LLVM time trace together
with cargo, in the contrast to the previous implementation which would
overwrite profiles or store them in `.cargo/registry/..`.
…rt, r=Mark-Simulacrum

Revert setting a default for the MACOSX_DEPLOYMENT_TARGET env var for linking

This reverts commit b376f56, which is the main part of rust-lang#90499, because it turns out that this causes a good amount of breakage in crates relying on the old behavior. In particular `winit`, `coreaudio` and crates that depend on them are affected. Fixes rust-lang#91372.

Background:
Before rust-lang#90499 the behavior was the following: If MACOSX_DEPLOYMENT_TARGET is not set,  we pass the minimum supported OS version to LLVM but not to the linker. The linker default depends on the Xcode version and the version of the OS it is running on. That caused one known problem in libcurl with the most recent Xcode versions. rust-lang#90499 passed the minumum supported version (10.7 for Macos x86-64) to the linker instead. This has shown to be problematic because some crates such as winit, coreaudio implicitly expect a newer minimum OS version. The libcurl issue has been fixed independently (see alexcrichton/curl-rust#417), so a revert should not really be problematic.

Eventually we should probably mimic clang's behavior and fall back to the default of the currently configured Macos SDK for both the LLVM min os target version and MACOSX_DEPLOYMENT_TARGET for linking. That would entail looking at the `Version` property of the `SDKSettings.json` in the currently configured SDK.
… r=scottmcm

Stabilize `iter::zip`

Hello all!

As the tracking issue (rust-lang#83574) for `iter::zip` completed the final commenting period without any concerns being raised, I hereby submit this stabilization PR on the issue.

As the pull request that introduced the feature (rust-lang#82917) states, the `iter::zip` function is a shorter way to zip two iterators. As it's generally a quality-of-life/ergonomic improvement, it has been integrated into the codebase without any trouble, and has been
used in many places across the rust compiler and standard library since March without any issues.

For more details, I would refer to `@cuviper's` original PR, or the [function's documentation](https://doc.rust-lang.org/std/iter/fn.zip.html).
…times-from-rustc-typeck, r=jackh726

Remove `in_band_lifetimes` from `rustc_typeck`

Joining in on the effort to remove the `in_band_lifetimes` features, as described in issue rust-lang#91867.
Update cargo

14 commits in 40dc281755137ee804bc9b3b08e782773b726e44..a359ce16073401f28b84840da85b268aa3d37c88
2021-12-06 21:54:44 +0000 to 2021-12-14 18:40:22 +0000
- Support `term.quiet` configuration (rust-lang/cargo#10152)
- Display alias target on 'cargo help <alias>` (rust-lang/cargo#10193)
- delete --host command and message (rust-lang/cargo#10145)
- Improve I/O error message for fingerprint of build script (rust-lang/cargo#10191)
- Explicitly mark aliases in `cargo list`. (rust-lang/cargo#10177)
- Don't emit "executable" JSON field for non-executables. (rust-lang/cargo#10171)
- Move scrape-examples docs to correct section. (rust-lang/cargo#10166)
- Do not suggest source config if nothing to vendor (rust-lang/cargo#10161)
- Bump versions of local deps. (rust-lang/cargo#10155)
- Bump to 0.60.0, update changelog (rust-lang/cargo#10154)
- Fix some profile documentation. (rust-lang/cargo#10153)
- Document lib before bin. (rust-lang/cargo#10172)
- Sync cargo-the-cli version with rustc. (rust-lang/cargo#10178)
- Remove `-Z future-incompat-report` from message displayed to user (rust-lang/cargo#10185)
@rustbot rustbot added T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. rollup A PR which is a rollup labels Dec 15, 2021
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@bors r+ rollup=never p=7

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bors commented Dec 15, 2021

📌 Commit 22fc403 has been approved by matthiaskrgr

@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 Dec 15, 2021
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bors commented Dec 15, 2021

⌛ Testing commit 22fc403 with merge 195e931...

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bors commented Dec 15, 2021

☀️ Test successful - checks-actions
Approved by: matthiaskrgr
Pushing 195e931 to master...

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Finished benchmarking commit (195e931): 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

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10 participants