bors [Thu, 5 Nov 2020 10:22:20 +0000 (10:22 +0000)]
Auto merge of #78767 - m-ou-se:rollup-eu5wgxl, r=m-ou-se
Rollup of 15 pull requests
Successful merges:
- #76718 (Move Vec UI tests to unit tests when possible)
- #78093 (Clean up docs for 'as' keyword)
- #78425 (Move f64::NAN ui tests into `library`)
- #78465 (Change as_str → to_string in proc_macro::Ident::span() docs)
- #78584 (Add keyboard handling to the theme picker menu)
- #78716 (Array trait impl comment/doc fixes)
- #78727 ((rustdoc) fix test for trait impl display)
- #78733 (fix a couple of clippy warnings:)
- #78735 (Simplify the implementation of `get_mut` (no unsafe))
- #78738 (Move range in ui test to ops test in library/core)
- #78739 (Fix ICE on type error in async function)
- #78742 (make intern_const_alloc_recursive return error)
- #78756 (Update cargo)
- #78757 (Improve and clean up some intra-doc links)
- #78758 (Fixed typo in comment)
Mara Bos [Thu, 5 Nov 2020 09:29:50 +0000 (10:29 +0100)]
Rollup merge of #78727 - liketechnik:issue-55201, r=GuillaumeGomez
(rustdoc) fix test for trait impl display
The test checks that parameters and return values with `impl Trait` types are correctly generated in rustdoc's output.
In essence, the previous version of the test checked the absence of values that would never be generated by rustdoc, so it could basically never fail. These values were adjusted to the expected output and are now required to exist in rustdoc's output. See https://github.com/rust-lang/rust/issues/55201#issuecomment-716182474 for a detailed explanation of the reasoning behind the changes.
Note that the output of rustdoc for `impl Trait`s in parameters and return values did not change since the inital test creation, so this PR only modifies the test.
Mara Bos [Thu, 5 Nov 2020 09:29:45 +0000 (10:29 +0100)]
Rollup merge of #78584 - notriddle:master, r=GuillaumeGomez
Add keyboard handling to the theme picker menu
This PR is mostly designed to bring the theme picker closer to feature parity with the menu bar from docs.rs. Though the rustdoc theme picker is technically already usable from the keyboard, it's really weird that arrow keys work on some of the menus, but not all of them, in the exact same page.
bors [Thu, 5 Nov 2020 05:14:53 +0000 (05:14 +0000)]
Auto merge of #78754 - pietroalbini:checkout-v2, r=Mark-Simulacrum
Bump actions/checkout to version 2
This was recommended by GitHub Support to try reducing the things that could've caused #78743. I checked the changelog and there should be no practical impact for us (we already set an explicit fetch-depth).
Pietro Albini [Wed, 4 Nov 2020 23:05:20 +0000 (00:05 +0100)]
ci: bump actions/checkout to version 2
This was recommended by GitHub Support to try reducing the things that
could've caused #78743. I checked the changelog and there should be no
practical impact for us (we already set an explicit fetch-depth).
bors [Wed, 4 Nov 2020 22:45:15 +0000 (22:45 +0000)]
Auto merge of #78662 - sexxi-goose:add_expr_id_to_delegate, r=nikomatsakis
Provide diagnostic suggestion in ExprUseVisitor Delegate
The [Delegate trait](https://github.com/rust-lang/rust/blob/981346fc07dd5ef414c5b1b21999f7604cece006/compiler/rustc_typeck/src/expr_use_visitor.rs#L28-L38) currently use `PlaceWithHirId` which is composed of Hir `Place` and the
corresponding expression id.
Even though this is an accurate way of expressing how a Place is used,
it can cause confusion during diagnostics.
Eg:
```
let arr : [String; 5];
let [a, ...] = arr;
^^^ E1 ^^^ = ^^E2^^
```
Here `arr` is moved because of the binding created E1. However, when we
point to E1 in diagnostics with the message `arr` was moved, it can be
confusing. Rather we would like to report E2 to the user.
bors [Wed, 4 Nov 2020 22:45:15 +0000 (22:45 +0000)]
Auto merge of #78662 - sexxi-goose:add_expr_id_to_delegate, r=nikomatsakis
Provide diagnostic suggestion in ExprUseVisitor Delegate
The [Delegate trait](https://github.com/rust-lang/rust/blob/981346fc07dd5ef414c5b1b21999f7604cece006/compiler/rustc_typeck/src/expr_use_visitor.rs#L28-L38) currently use `PlaceWithHirId` which is composed of Hir `Place` and the
corresponding expression id.
Even though this is an accurate way of expressing how a Place is used,
it can cause confusion during diagnostics.
Eg:
```
let arr : [String; 5];
let [a, ...] = arr;
^^^ E1 ^^^ = ^^E2^^
```
Here `arr` is moved because of the binding created E1. However, when we
point to E1 in diagnostics with the message `arr` was moved, it can be
confusing. Rather we would like to report E2 to the user.
bors [Wed, 4 Nov 2020 22:21:44 +0000 (22:21 +0000)]
Auto merge of #5911 - hegza:issue-568, r=ebroto
Add lint for 'field_reassign_with_default` #568
changelog: Add lint for field_reassign_with_default that checks if mutable object + field modification is used to edit a binding initialized with Default::default() instead of struct constructor.
Fixes #568
Notes:
- Checks for reassignment of one or more fields of a binding initialized with Default::default().
- Implemented using EarlyLintPass, might be future proofed better with LateLintPass.
- Does not trigger if Default::default() is used via another type implementing Default.
- This is a re-open of [PR#4761](https://github.com/rust-lang/rust-clippy/pull/4761), but I couldn't figure out how to re-open that one so here's a new one with the requested changes :S
bors [Wed, 4 Nov 2020 20:02:08 +0000 (20:02 +0000)]
Auto merge of #78740 - pietroalbini:no-more-legacy, r=Mark-Simulacrum
Remove legacy promote-release support from build-manifestg
Now that we're not running the [legacy `promote-release`](https://github.com/rust-lang/rust-central-station/tree/master/promote-release) anymore, this PR removes support from it from `bootstrap` and `build-manifest`.
bors [Wed, 4 Nov 2020 14:26:03 +0000 (14:26 +0000)]
Auto merge of #77227 - oli-obk:const_val_🌳_prelude, r=RalfJung
Refactorings in preparation for const value trees
cc #72396
This PR changes the `Scalar::Bits { data: u128, size: u8 }` variant to `Scalar::Bits(ScalarInt)` where `ScalarInt` contains the same information, but is `repr(packed)`. The reason for using a packed struct is to allow enum variant packing to keep the original size of `Scalar` instead of adding another word to its size due to padding.
Other than that the PR just gets rid of all the inspection of the internal fields of `Scalar::Bits` which were frankly scary. These fields have invariants that we need to uphold and we can't do that without making the fields private.
bors [Wed, 4 Nov 2020 11:37:36 +0000 (11:37 +0000)]
Auto merge of #78677 - Aaron1011:fix/capture-inner-attrs, r=petrochenkov
Use reparsed `TokenStream` if we captured any inner attributes
Fixes #78675
We now bail out of `prepend_attrs` if we ended up capturing any inner
attributes (which can happen in several places, due to token capturing
for `macro_rules!` arguments.
bors [Wed, 4 Nov 2020 09:22:54 +0000 (09:22 +0000)]
Auto merge of #6284 - camsteffen:rustc-sym, r=flip1995
Use const sym where possible
I ran a regex search and replace to use const `sym` values where possible. This should give some performance boost by avoiding string interning at runtime.
Con: It is not as consistent as always using `sym!`.
I also changed an internal lint to suggest using `sym::{}`, making an assumption that this will always work for diagnostic items.
Disable and enable when not specifically explained were not clear to me
as an English language speaker, but I was able to figure it out fairly
easily due to the examples having A/W, which I assumed meant `allow` and
`warn`. I removed both words to be sure it was clear as well as
extending the note on what deny means. It now includes a statement on
exactly what each word means.
bors [Tue, 3 Nov 2020 18:58:06 +0000 (18:58 +0000)]
Auto merge of #78711 - m-ou-se:rollup-pxqnny7, r=m-ou-se
Rollup of 7 pull requests
Successful merges:
- #77950 (Add support for SHA256 source file hashing)
- #78624 (Sync rustc_codegen_cranelift)
- #78626 (Improve errors about #[deprecated] attribute)
- #78659 (Corrected suggestion for generic parameters in `function_item_references` lint)
- #78687 (Suggest library/std when running all stage 0 tests)
- #78699 (Show more error information in lldb_batchmode)
- #78709 (Fix panic in bootstrap for non-workspace path dependencies.)
Mara Bos [Tue, 3 Nov 2020 18:32:44 +0000 (19:32 +0100)]
Rollup merge of #78709 - ehuss:fix-in_tree_crates-non-member, r=Mark-Simulacrum
Fix panic in bootstrap for non-workspace path dependencies.
If you add a `path` dependency to a `Cargo.toml` that is located outside of the workspace, then the `in_tree_crates` function can panic because it finds a path dependency that is not defined (since it uses `cargo metadata --no-deps`). This fixes it by skipping over those entries, which are usually not things you select on the command-line.
Mara Bos [Tue, 3 Nov 2020 18:32:40 +0000 (19:32 +0100)]
Rollup merge of #78687 - jyn514:bootstrap-help, r=Mark-Simulacrum
Suggest library/std when running all stage 0 tests
r? ``@Mark-Simulacrum``
cc ``@ijackson``
For context, this came out of a discord conversation where ``@ijackson`` was running `test --stage 1` when they were only adding doc-tests to the standard library.
Mara Bos [Tue, 3 Nov 2020 18:32:38 +0000 (19:32 +0100)]
Rollup merge of #78659 - ayrtonm:fn-ref-lint-fix, r=oli-obk
Corrected suggestion for generic parameters in `function_item_references` lint
This commit handles functions with generic type parameters like you pointed out as well as const generics. Also this is probably a minor thing, but the type alias you used in the example doesn't show up so the suggestion right now would be `size_of::<[u8; 16]> as fn() ->`. This is because the lint checker works with MIR instead of HIR. I don't think we can get the alias at that point, but let me know if I'm wrong and there's a way to fix this. Also I put you as the reviewer, but I'm not sure if you want to review it or if it makes more sense to ask one of the original reviewers of this lint.
closes #78571
Mara Bos [Tue, 3 Nov 2020 18:32:36 +0000 (19:32 +0100)]
Rollup merge of #78626 - fusion-engineering-forks:deprecated-trait-impl, r=estebank
Improve errors about #[deprecated] attribute
This change:
1. Turns `#[deprecated]` on a trait impl block into an error, which fixes #78625;
2. Changes these and other errors about `#[deprecated]` to use the span of the attribute instead of the item; and
3. Turns this error into a lint, to make sure it can be capped with `--cap-lints` and doesn't break any existing dependencies.
Can be reviewed per commit.
---
Example:
```rust
struct X;
#[deprecated = "a"]
impl Default for X {
#[deprecated = "b"]
fn default() -> Self {
X
}
}
```
Before:
```
error: This deprecation annotation is useless
--> src/main.rs:6:5
|
6 | / fn default() -> Self {
7 | | X
8 | | }
| |_____^
```
After:
```
error: this `#[deprecated]' annotation has no effect
--> src/main.rs:3:1
|
3 | #[deprecated = "a"]
| ^^^^^^^^^^^^^^^^^^^ help: try removing the deprecation attribute
|
= note: `#[deny(useless_deprecated)]` on by default
error: this `#[deprecated]' annotation has no effect
--> src/main.rs:5:5
|
5 | #[deprecated = "b"]
| ^^^^^^^^^^^^^^^^^^^ help: try removing the deprecation attribute
```
bors [Tue, 3 Nov 2020 16:21:51 +0000 (16:21 +0000)]
Auto merge of #6165 - dvermd:ref_option_ref, r=flip1995
Add lint 'ref_option_ref' #1377
This lint checks for usage of `&Option<&T>` which can be simplified as `Option<&T>` as suggested in #1377.
This WIP PR is here to get feedback on the lint as there's more cases to be handled:
* statics/consts,
* associated types,
* type alias,
* function/method parameter/return,
* ADT definitions (struct/tuple struct fields, enum variants)
bors [Tue, 3 Nov 2020 15:59:16 +0000 (15:59 +0000)]
Auto merge of #6101 - pitiK3U:from_iter_instead_of_collect, r=flip1995
Add lint: from_iter_instead_of_collect
Fixes #5679
This implements lint for `::from_iter()` from #5679 not the general issue (`std::ops::Add::add`, etc.).
This lint checks if expression is function call with `from_iter` name and if it's implementation of the `std::iter::FromIterator` trait.
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