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Improve rustdoc-gui CI
As commented [here](https://github.com/rust-lang/rust/pull/91179#discussion_r756023009):
When the text isn't displayed, the color returned by puppeteer is always `rgba(0,0,0,0)`, which is definitely not the right value. To prevent this error from happening again, `browser-ui-test` will now fail if a CSS color check is run when the text isn't displayed.
Either this PR or #91179 is merged first, they'll conflict because I made changes to the same test file.
cc `@jyn514`
r? `@jsha`
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Diagnostic tweaks
* On type mismatch caused by assignment, point at the source of the expectation
* Hide redundant errors
* Suggest `while let` when `let` is missing in some cases
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Move some tests to more reasonable directories - 10
cc #73494
r? `@petrochenkov`
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This oversight appears to have gone unnoticed for a long time
without causing issues, but it should still be fixed.
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I would like to rename it to `Type::Path`, but then it can't be
re-exported since the name would conflict with the `Path` struct.
Usually enum variants are referred to using their qualified names in
Rust (and parts of rustdoc already do that with `clean::Type`), so this
is also more consistent with the language.
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This will allow re-exporting only certain enum variants.
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Remove eval_always from upvars.
Split off https://github.com/rust-lang/rust/pull/86056
r? `@ghost`
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* Do not emit unnecessary E0308 after E0070
* Show fewer errors on `while let` missing `let`
* Hide redundant E0308 on `while let` missing `let`
* Point at binding definition when possible on invalid assignment
* do not point at closure twice
* do not suggest `if let` for literals in lhs
* account for parameter types
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Rollup of 6 pull requests
Successful merges:
- #89359 (Various fixes for const_trait_impl)
- #90499 (Link with default MACOSX_DEPLOYMENT_TARGET if not otherwise specified.)
- #91096 (Print associated types on opaque `impl Trait` types)
- #91111 (Do not visit attributes in `ItemLowerer`.)
- #91162 (explain why CTFE/Miri perform truncation on shift offset)
- #91185 (Remove `-Z force-overflow-checks`)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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Remove `-Z force-overflow-checks`
It was replaced several years ago by the stable option `-C overflow-checks`.
The goal was to delete the `-Z` flag once users had migrated [1].
Now that it's been several years, it makes sense to delete the old flag.
See also the discussion on Zulip [2].
[1]: https://github.com/rust-lang/rust/issues/33134#issuecomment-280484097
[2]: https://rust-lang.zulipchat.com/#narrow/stream/131828-t-compiler/topic/overflow.20checks/near/262497224
r? ```@wesleywiser```
cc ```@RalfJung```
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explain why CTFE/Miri perform truncation on shift offset
Closes https://github.com/rust-lang/miri/issues/1920
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Do not visit attributes in `ItemLowerer`.
By default, AST visitors visit expressions that appear in key-value attributes.
Those expressions should not be lowered to HIR, as they do not correspond to actually compiled code.
Since an attribute cannot produce meaningful HIR, just skip them altogether.
Fixes https://github.com/rust-lang/rust/issues/81886
Fixes https://github.com/rust-lang/rust/issues/90873
r? `@michaelwoerister`
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Print associated types on opaque `impl Trait` types
This PR generalizes #91021, printing associated types for all opaque `impl Trait` types instead of just special-casing for future.
before:
```
error[E0271]: type mismatch resolving `<impl Iterator as Iterator>::Item == u32`
```
after:
```
error[E0271]: type mismatch resolving `<impl Iterator<Item = usize> as Iterator>::Item == u32`
```
---
Questions:
1. I'm kinda lost in binders hell with this one. Is all of the `rebind`ing necessary?
2. Is there a map collection type that will give me a stable iteration order? Doesn't seem like TraitRef is Ord, so I can't just sort later..
3. I removed the logic that suppresses printing generator projection types. It creates outputs like this [gist](https://gist.github.com/compiler-errors/d6f12fb30079feb1ad1d5f1ab39a3a8d). Should I put that back?
4. I also added spaces between traits, `impl A+B` -> `impl A + B`. I quite like this change, but is there a good reason to keep it like that?
r? ````@estebank````
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Link with default MACOSX_DEPLOYMENT_TARGET if not otherwise specified.
This PR sets the MACOSX_DEPLOYMENT_TARGET environment variable during the linking stage to our default, if it is not specified. This way it matches the deployment target we pass to llvm. If not set the the linker uses Xcode or Xcode commandline tools default which varies by version.
Fixes #90342, #91082.
Drive-by fixes to make Rust behave more like clang:
* Default to 11.0 deployment target for ARM64 which is the earliest version that had support for it.
* Set the llvm target to `arm64-apple-macosx<deployment target>` instead of `aarch64-apple-macosx<deployment target>`.
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Various fixes for const_trait_impl
A few problems I found while making `Iterator` easier to const-implement.
1. More generous `~const Drop` check.
We check for nested fields with caller bounds.
For example, an ADT type with fields of types `A`, `B`, `C`, check if all of them are either:
- Bounded (`A: ~const Drop`, `B: Copy`)
- Known to be able to destruct at compile time (`C = i32`, `struct C(i32)`, `C = some_fn`)
2. Don't treat trait functions marked with `#[default_method_body_is_const]` as stable const fns when checking `const_for` and `const_try` feature gates.
I think anyone can review this, so no r? this time.
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checking colors
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rustdoc: Remove `ResolvedPath.did`
`ResolvedPath.did` was not actually the same as `.path.def_id()`. Instead,
`.did` referred to the `DefId` of the page to be used as a hyperlink target.
For example, a link to `Struct::method()` would use `Struct`'s `DefId` as its
`.did` field. This behavior is confusing, easy to accidentally misuse, and can
instead be obtained on-demand when computing hyperlink targets. It's also likely
part of the reason `kind_side_channel` exists. I'm currently working on some
experimental refactorings in `collect_intra_doc_links` that I believe require --
or at least benefit from -- removing `.did`.
r? `@jyn514`
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Tokenize emoji as if they were valid identifiers
In the lexer, consider emojis to be valid identifiers and reject
them later to avoid knock down parse errors.
Partially address #86102.
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11.0 (Big Sur) is the first version which supports ARM64 so we use
that as default.
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Account for incorrect `impl Foo<const N: ty> {}` syntax
Fix #84946
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Co-authored-by: Joshua Nelson <github@jyn.dev>
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Rollup of 7 pull requests
Successful merges:
- #89542 (Partially stabilize `duration_consts_2`)
- #90044 (Restrict aarch64 outline atomics to glibc for now.)
- #90420 (Create rustdoc_internals feature gate)
- #91075 (Reduce prominence of item-infos)
- #91151 (Fix test in std::process on android)
- #91179 (Fix more <a> color)
- #91199 (rustdoc: Add test for mixing doc comments and attrs)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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rustdoc: Add test for mixing doc comments and attrs
This is a step toward adding more test coverage to make it easier to
remove the distinction between collapsed and uncollapsed doc values.
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Fix more <a> color
Fixes #91175.
Another bug I saw is:
I fixed it as well.
r? ``@jsha``
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Fix test in std::process on android
closes #10380
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Reduce prominence of item-infos
Fixes #59853
- Remove border.
- Reduce size of emoji slightly.
- Remove details disclosure for unstable reason. This was inconsistent with our other details disclosures, and the detail revealed was usually better explained by clicking on the issue link.
Demo: https://rustdoc.crud.net/jsha/chill-item-info/std/mem/union.MaybeUninit.html#method.slice_assume_init_ref
Compare vs: https://doc.rust-lang.org/nightly/std/mem/union.MaybeUninit.html#method.slice_assume_init_ref
<img src="https://user-images.githubusercontent.com/220205/142717815-09828c9e-6ff4-445a-8ccc-31e028fd4985.png" width=700>
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Create rustdoc_internals feature gate
As suggested by ``@camelid`` [here](https://github.com/rust-lang/rust/pull/90398#issuecomment-955093851), since `doc_keyword` and `doc_primitive` aren't meant to be stabilized, we could put them behind a same feature flag.
This is pretty much what it would look like (needs to update the tests too).
The tracking issue is https://github.com/rust-lang/rust/issues/90418.
What do you think ``@rust-lang/rustdoc`` ?
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r=workingjubilee
Restrict aarch64 outline atomics to glibc for now.
The introduced dependency on `getauxval` causes linking problems with musl, making compiling any binaries for `aarch64-unknown-linux-musl` impossible without workarounds such as using lld or adding liblibc.rlib again to the linker invocation, see #89626.
This is a workaround until libc>0.2.108 is merged.
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Partially stabilize `duration_consts_2`
Methods that were only blocked on `const_panic` have been stabilized.
The remaining methods of `duration_consts_2` are all related to floats,
and as such have been placed behind the `duration_consts_float` feature
gate.
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This is a step toward adding more test coverage to make it easier to
remove the distinction between collapsed and uncollapsed doc values.
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Co-authored-by: kennytm <kennytm@gmail.com>
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Fix clicking on anchors inside summary tags
Fixes #91184
r? `@camelid`
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