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Neither require nor imply lifetime bounds on opaque type for well formedness
The actual hidden type can live arbitrarily longer than any individual lifetime and arbitrarily shorter than all but one of the lifetimes.
fixes #86218
fixes #84305
This is a **breaking change** but it is a necessary soundness fix
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Support overriding initial rustc and cargo paths
This restores functionality broken by #98483. Unfortunately, it doesn't add a test to verify this works, but in this case we notice pretty quickly as perf uses this functionality and so reports breakage immediately after merging.
r? `@jyn514`
cc https://rust-lang.zulipchat.com/#narrow/stream/326414-t-infra.2Fbootstrap/topic/rustc.20and.20cargo.20option.20broken.20in.20config.2Etoml, https://rust-lang.zulipchat.com/#narrow/stream/247081-t-compiler.2Fperformance/topic/Rustc.20benchmark.20broken
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Rollup of 8 pull requests
Successful merges:
- #98111 (Clarify `[T]::select_nth_unstable*` return values)
- #101431 (Look at move place's type when suggesting mutable reborrow)
- #101800 (Constify slice.split_at_mut(_unchecked))
- #101997 (Remove support for legacy PM)
- #102194 (Note the type when unable to drop values in compile time)
- #102200 (Constify Default impl's for Arrays and Tuples.)
- #102245 (Constify cmp_min_max_by.)
- #102259 (Type-annotate and simplify documentation of Option::unwrap_or_default)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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This restores functionality broken by #98483. Unfortunately, it doesn't
add a test to verify this works, but in this case we notice pretty
quickly as perf uses this functionality and so reports breakage
immediately after merging.
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Note the type when unable to drop values in compile time
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Remove support for legacy PM
This removes support for optimizing with LLVM's legacy pass manager, as well as the unstable `-Znew-llvm-pass-manager` option. We have been defaulting to the new PM since LLVM 13 (except for s390x that waited for 14), and LLVM 15 removed support altogether. The only place we still use the legacy PM is for writing the output file, just like `llc` does.
cc #74705
r? ``@nikic``
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r=cjgillot
Look at move place's type when suggesting mutable reborrow
Not sure why we are looking at the use site's ty instead of the move site's ty in order to suggest reborrowing the move site, but it was suppressing a perfectly valid reborrow suggestion.
r? `@estebank` who i think touched this last in 520461f1fb2730f8edb17922f3bcc74fccdc52d3, though that was quite a while ago so feel free to reassign.
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Don't drop parent substs when we have no generic parameters in `create_substs_for_ast_path`
This bug is being shadowed by an explicit check for `generics.params.is_empty()` in the only parent caller that could trigger it (`create_substs_for_associated_item`). I triggered it on another branch where I'm messing around with astconv stuff.
Also, the second commit simplifies `create_substs_for_associated_item`. Removing that explicit check I mentioned above^ and also the special case call to `Astconv::prohibit_generics` causes the UI test `src/test/ui/structs/struct-path-associated-type.stderr` to change, but I think that it's clearer now. The suggestion to remove the generics is actually useful.
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rustdoc: remove unused CSS `.summary`
It was added in 4d16de01d0beb84dc4a351022ea5cb587b4ab557 as part of a stability dashboard that was removed in 0a46933c4d81573e78ce16cd215ba155a3114fce.
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r=GuillaumeGomez
rustdoc: remove unused CSS `#main-content > .line-numbers`
This selector was added in 10b937028660e079cf15735cfb5c4d58892fb10e. It became unreachable when 09150f81930e035254e58ee56f5905c2eb421617 made it so that `.line-numbers` are always nested below `.example-wrap`, even on source pages.
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rustdoc: Stabilize --diagnostic-width
This stabilizes the `--diagnostic-width` flag for rustdoc. This flag was stabilized in rustc in #95635, but it isn't clear from the discussion there why it wasn't stabilized in rustdoc. I believe this flag works as expected, following the same behavior as rustc.
I'd like to stabilize this so that the same support can be stabilized in cargo, and it would help simplify things if both rustc and rustdoc supported it.
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Resolve async fn signature even without body (e.g., in trait)
Fixes #102138
This "bail if no body" behavior was introduced in #69539 to fix #69401, but that ICE does not reproduce any more. The error message changes a bit, but that's all, and I don't think it's a particularly diagnostic bad regression.
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implied_bounds: deal with inference vars
fixes #101951
while computing implied bounds for `<<T as ConstructionFirm>::Builder as BuilderFn<'_>>::Output` normalization replaces a projection with an inference var (adding a `Projection` obligation). Until we prove that obligation, this inference var remains unknown, which caused us to miss an implied bound necessary to prove that the unnormalized projection from the trait method signature is wf.
r? types
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Separate definitions and HIR owners in the type system
Fixes #83158
r? `@cjgillot`
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Distribute bootstrap in CI
This pre-compiles bootstrap from source and adds it to the existing `rust-dev` component. There are two main goals here:
1. Make it faster to build rust from source, both the first time and incrementally
2. Make it easier to add non-python entrypoints, since they can call out to bootstrap directly rather than having to figure out the right flags to pre-compile it. This second part is still in a bit of flux, see the tracking issue below for more information.
There are also several changes to make bootstrap able to run on a machine other than the one it was built (particularly around `config.src` and `config.out` detection). I (`@jyn514)` am slightly concerned these will regress unless tested - maybe we should add an automated test that runs bootstrap in a chroot or something? Unclear whether the effort is worth the test coverage.
Helps with https://github.com/rust-lang/rust/issues/94829.
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It was added in 4d16de01d0beb84dc4a351022ea5cb587b4ab557 as part of a
stability dashboard that was removed in
0a46933c4d81573e78ce16cd215ba155a3114fce.
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This selector was added in 10b937028660e079cf15735cfb5c4d58892fb10e. It
became unreachable when 09150f81930e035254e58ee56f5905c2eb421617 made it so
that `.line-numbers` are always nested below `.example-wrap`, even on
source pages.
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fix a ui test
use `into`
fix clippy ui test
fix a run-make-fulldeps test
implement `IntoQueryParam<DefId>` for `OwnerId`
use `OwnerId` for more queries
change the type of `ParentOwnerIterator::Item` to `(OwnerId, OwnerNode)`
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bootstrap/miri: switch to non-deprecated env var for setting the sysroot folder
r? `@oli-obk`
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diagnostics: avoid syntactically invalid suggestion in if conditionals
Fixes #101065
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rustdoc: remove no-op CSS `#source-sidebar { z-index }`
This rule became redundant in 07e3f998b1ceb4b8d2a7992782e60f5e776aa114. When `#source-sidebar` became nested below `.sidebar`, it went from being `position: fixed` to `position: static`, and according to MDN's [z-index] documentation, this means it has no effect.
[z-index]: https://developer.mozilla.org/en-US/docs/Web/CSS/z-index
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resolve: Set effective visibilities for imports more precisely
Instead of setting them for all primary and additional IDs of the import, only set them for the binding's true ID.
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Revert perf-regression 101620
Reverts #101862 #101620
r? `@Mark-Simulacrum`
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Document some missing command-line arguments
The rustc command-line arguments docs should document all of the stable arguments for rustc. Two were missing, `--force-warn` which was somewhat documented in the lint-levels chapter, but should also include a mention in the arguments list. `--diagnostic-width` was stabilized in #95635, but the docs weren't updated.
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Improve rustdoc GUI tests
I finally finished the update so we can now store values in variables and use them. It improves things nicely.
r? ``@notriddle``
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Add `llvm-dis` to the set of tools in `ci-llvm`
The LLVM disassembler is needed for the test introduced in https://github.com/rust-lang/rust/pull/97550.
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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Also require other subtrees to always build successfully
r? ``@jyn514``
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Calculate `ProjectionTy::trait_def_id` for return-position `impl Trait` in trait correctly
Fixes #102140
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rustdoc: CSS prevent sidebar width change jank
This commit makes the `width` and `min-width` of the sidebar the same. They originally were when cad0fce2053d52b7ba04c458f4c124c8b5c6141e added the `min-width` rule, but 6a5f8b1aef1417d7dc85b5d0a229d2db1930eb7c changed the `width` without changing the `min-width`, causing it to sometimes oscilate between 200 and 250 pixels depending on the main content.
# Before
[Screencast from 09-22-2022 10:25:29 AM.webm](https://user-images.githubusercontent.com/1593513/191813469-ea00f30f-6f49-40fc-9a26-e1dfd5068d2b.webm)
# After
[Screencast from 09-22-2022 10:32:20 AM.webm](https://user-images.githubusercontent.com/1593513/191813642-ae0902da-5262-403a-bbdf-995334201acb.webm)
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Adding ignore fuchsia non-applicable commands
Adding ignore fuchsia non-applicable commands
cc `@djkoloski`
r? `@tmandry`
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Adding ignore fuchsia tests for execvp (pre_exec)
Adding ignore fuchsia tests for pre_exec, which calls execvp
cc. `@djkoloski`
r? `@tmandry`
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Add a platform support document for Android
r? ``@joshtriplett``
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Always print '_, even for erased lifetimes.
Explicit lifetime arguments are now the recommended syntax in rust 2018 and rust 2021. This PR applies this discipline to rustc itself.
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Fixes #101065
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This rule became redundant in 07e3f998b1ceb4b8d2a7992782e60f5e776aa114.
When `#source-sidebar` became nested below `.sidebar`, it went from being
`position: fixed` to `position: static`, and according to MDN's [z-index]
documentation, this means it has no effect.
[z-index]: https://developer.mozilla.org/en-US/docs/Web/CSS/z-index
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This rule became redundant in 07e3f998b1ceb4b8d2a7992782e60f5e776aa114.
When `#source-sidebar` became nested below `.sidebar`, it went from being
`position: fixed` to `position: static`, and according to MDN's [z-index]
documentation, this means it has no effect.
[z-index]: https://developer.mozilla.org/en-US/docs/Web/CSS/z-index
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Rollup of 7 pull requests
Successful merges:
- #102094 (Add missing documentation for `bool::from_str`)
- #102115 (Add examples to `bool::then` and `bool::then_some`)
- #102134 (Detect panic strategy using `rustc --print cfg`)
- #102137 (Don't convert valtree to constvalue during normalization)
- #102148 (add regression test for miri issue 2433)
- #102158 (rustdoc: clean up CSS/DOM for deprecation warnings)
- #102177 (Fix a typo in `std`'s root docs)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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