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* Move all functions outside parseQuery
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* If there are generics, don't allow to have quotes.
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with more than one element.
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Respect ranlib specified for target during LLVM build
The ranlib specified for the target was never actually transferred
into the builder configuration. In the dist-x86_64-linux build we
ended up using ranlib instead of llvm-ranlib.
Found this investigating a build failure in #94214.
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Make `x test --stage 2 compiler/rustc_XXX` faster to run
Previously, bootstrap unconditionally rebuilt the stage 2 compiler,
even if it had previously built stage 1. This changes it to reuse stage 1 if possible.
In particular, it no longer runs the following step:
```
Building stage1 compiler artifacts (x86_64-unknown-linux-gnu(x86_64-unknown-linux-gnu) -> x86_64-unknown-linux-gnu(x86_64-unknown-linux-gnu))
```
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Add codegen tests for additional cases where noop iterators get optimized away
Optimizations have improved over time and now LLVM manages to optimize more in-place-collect noop-iterators to O(1) functions. This updates the codegen test to match.
Many but not all cases reported in #79308 work now.
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Report undeclared lifetimes during late resolution.
First step in https://github.com/rust-lang/rust/pull/91557
We reuse the rib design of the current resolution framework. Specific `LifetimeRib` and `LifetimeRibKind` types are introduced. The most important variant is `LifetimeRibKind::Generics`, which happens each time we encounter something which may introduce generic lifetime parameters. It can be an item or a `for<...>` binder. The `LifetimeBinderKind` specifies how this rib behaves with respect to in-band lifetimes.
r? `@petrochenkov`
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Refactor HIR item-like traversal (part 1)
Issue #95004
- Create hir_crate_items query which traverses tcx.hir_crate(()).owners to return a hir::ModuleItems
- use tcx.hir_crate_items in tcx.hir().items() to return an iterator of hir::ItemId
- use tcx.hir_crate_items to introduce a tcx.hir().par_items(impl Fn(hir::ItemId)) to traverse all items in parallel;
Signed-off-by: Miguel Guarniz <mi9uel9@gmail.com>
cc `@cjgillot`
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Implement `core::ptr::Unique` on top of `NonNull`
Removes the use `rustc_layout_scalar_valid_range_start` and some `unsafe` blocks.
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Speed up Vec::clear().
Currently it just calls `truncate(0)`. `truncate()` is (a) not marked as
`#[inline]`, and (b) more general than needed for `clear()`.
This commit changes `clear()` to do the work itself. This modest change
was first proposed in rust-lang#74172, where the reviewer rejected it because
there was insufficient evidence that `Vec::clear()`'s performance
mattered enough to justify the change. Recent changes within rustc have
made `Vec::clear()` hot within `macro_parser.rs`, so the change is now
clearly worthwhile.
Although it doesn't show wins on CI perf runs, this seems to be because they
use PGO. But not all platforms currently use PGO. Also, local builds don't use
PGO, and `truncate` sometimes shows up in an over-represented fashion in local
profiles. So local profiling will be made easier by this change.
Note that this will also benefit `String::clear()`, because it just
calls `Vec::clear()`.
Finally, the commit removes the `vec-clear.rs` codegen test. It was
added in #52908. From before then until now, `Vec::clear()` just called
`Vec::truncate()` with a zero length. The body of Vec::truncate() has
changed a lot since then. Now that `Vec::clear()` is doing actual work
itself, and not just calling `Vec::truncate()`, it's not surprising that
its generated code includes a load and an icmp. I think it's reasonable
to remove this test.
r? `@m-ou-se`
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update Miri
Fixes https://github.com/rust-lang/rust/issues/96115
r? ``@rust-lang/miri``
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Strict provenance lint diagnostics improvements
Use `multipart_suggestion` instead of `span_suggestion` and getting a snippet for the expression. Also don't suggest unnecessary parenthesis in `lossy_provenance_casts`.
cc ``@estebank``
``@rustbot`` label A-diagnostics
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Make the debug output for `TargetSelection` less verbose
In particular, this makes the output of `x build -vv` easier to read.
Before:
```
c Sysroot { compiler: Compiler { stage: 0, host: TargetSelection { triple: "x86_64-unknown-linux-gnu", file: None } } }
```
After:
```
c Sysroot { compiler: Compiler { stage: 0, host: x86_64-unknown-linux-gnu } }
```
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htmldocck: Compare HTML tree instead of plain text html
This PR improves `htmldocck` by comparing HTML trees instead of plain text html in the case of doing a ```@snapshot``` test.
This fix the [CI issue](https://github.com/rust-lang-ci/rust/runs/5964305020?check_suite_focus=true) encounter in https://github.com/rust-lang/rust/pull/95813 where for some unknown reason one of the attributes is not always at the same place.
The code is largely based on https://github.com/formencode/formencode/blob/3a1ba9de2fdd494dd945510a4568a3afeddb0b2e/formencode/doctest_xml_compare.py#L72-L120 which is behind MIT License. The comparison function is straightforward except for the `text_compare` function which does some weird stuff that we may want to simply reduce to a plain old comparison.
r? ``@GuillaumeGomez``
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Stablize `const_extern_fn` for "Rust" and "C"
All other ABIs are left unstable for now.
cc #64926
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Rollup of 7 pull requests
Successful merges:
- #94985 (Parse inner attributes on inline const block)
- #95006 (Reject `#[thread_local]` attribute on non-static items)
- #95426 (Include Refs in Valtree Creation)
- #95908 (Inline `shallow_resolve_ty` into `ShallowResolver`)
- #96058 (separate flock implementations into separate modules)
- #96088 (Update mdbook)
- #96118 (rustdoc: Rename `def_id` into `item_id` when the type is `ItemId` for readability)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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rustdoc: Rename `def_id` into `item_id` when the type is `ItemId` for readability
As `@notriddle` mentioned in https://github.com/rust-lang/rust/pull/96091, the field name is inaccurate. This PR fixes it by renaming it accordingly to its real type.
r? `@notriddle`
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Update mdbook
This just brings in a few small fixes, particularly a rendering fix for chapter names with markdown in them (like the https://doc.rust-lang.org/nightly/rustc/platform-support/kmc-solid.html page). There's also a minor fix for the search index for duplicate headings.
Changelog: https://github.com/rust-lang/mdBook/blob/master/CHANGELOG.md#mdbook-0418
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Reject `#[thread_local]` attribute on non-static items
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Parse inner attributes on inline const block
According to https://github.com/rust-lang/rust/pull/84414#issuecomment-826150936, inner attributes are intended to be supported *"in all containers for statements (or some subset of statements)"*.
This PR adds inner attribute parsing and pretty-printing for inline const blocks (https://github.com/rust-lang/rust/issues/76001), which contain statements just like an unsafe block or a loop body.
```rust
let _ = const {
#![allow(...)]
let x = ();
x
};
```
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Fix `x test --doc --stage 0 library/std`
I managed to break this in https://github.com/rust-lang/rust/pull/95449.
I am not quite sure why this is the correct fix, but it doesn't break `doc --stage 0`
and is strictly closer to the previous behavior.
Previously, rustdoc would error with strange issues because of the mismatched sysroot:
```
error[E0460]: found possibly newer version of crate `std` which `rustc_span` depends on
--> /home/jnelson/rust-lang/rust/compiler/rustc_lint_defs/src/lib.rs:14:5
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14 | use rustc_span::{sym, symbol::Ident, Span, Symbol};
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= note: perhaps that crate needs to be recompiled?
= note: the following crate versions were found:
crate `std`: /home/jnelson/rust-lang/rust/build/x86_64-unknown-linux-gnu/stage0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-ff9290e971253a38.rlib
crate `std`: /home/jnelson/rust-lang/rust/build/x86_64-unknown-linux-gnu/stage0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-ff9290e971253a38.so
crate `rustc_span`: /home/jnelson/rust-lang/rust/build/x86_64-unknown-linux-gnu/stage0-rustc/x86_64-unknown-linux-gnu/release/deps/librustc_span-ed11dce30c1766f9.rlib
```
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clarify doc(cfg) wording
The current "This is supported" wording implies that it's possible to
still use the item on other configurations, but in an unsupported way.
Changing this to "Available" removes this ambiguity.
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:arrow_up: rust-analyzer
r? ``@ghost``
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Gumichocopengin8:feature/update-github-action-version, r=pietroalbini
Update GitHub Actions actions/checkout Version v2 -> v3
Update `actions/checkout@v2` to `actions/checkout@v3` because of Node12 will be out of life after Aril 30, 2022 [[Reference](https://nodejs.org/en/about/releases/)].
`actions/xxxx@v3` use Node16 whose support lasts until April 30, 2024.
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couple of clippy::perf fixes
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resolve: Create dummy bindings for all unresolved imports
Apparently such bindings weren't previously created for all unresolved imports, causing issues like https://github.com/rust-lang/rust/issues/95879.
In this PR I'm trying to create such dummy bindings in a more centralized way by calling `import_dummy_binding` once for all imports in `finalize_imports`.
Fixes https://github.com/rust-lang/rust/issues/95879.
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Rollup of 9 pull requests
Successful merges:
- #93969 (Only add codegen backend to dep info if -Zbinary-dep-depinfo is used)
- #94605 (Add missing links in platform support docs)
- #95372 (make unaligned_references lint deny-by-default)
- #95859 (Improve diagnostics for unterminated nested block comment)
- #95961 (implement SIMD gather/scatter via vector getelementptr)
- #96004 (Consider lifetimes when comparing types for equality in MIR validator)
- #96050 (Remove some now-dead code that was only relevant before deaggregation.)
- #96070 ([test] Add test cases for untested functions for BTreeMap)
- #96099 (MaybeUninit array cleanup)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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Use `multipart_suggestion` instead of getting a snippet.
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Use `multipart_suggestion` and don't suggested unnecessary parenthesis.
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r=estebank
Better method call error messages
Rebase/continuation of #71827
~Based on #92360~
~Based on #93118~
There's a decent description in #71827 that I won't copy here (for now at least)
In addition to rebasing, I've tried to restore most of the original suggestions for invalid arguments. Unfortunately, this does make some of the errors a bit verbose. To fix this will require a bit of refactoring to some of the generalized error suggestion functions, and I just don't have the time to go into it right now.
I think this is in a state that the error messages are overall better than before without a reduction in the suggestions given.
~I've tried to split out some of the easier and self-contained changes into separate commits (mostly in #92360, but also one here). There might be more than can be done here, but again just lacking time.~
r? `@estebank` as the original reviewer of #71827
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This attempts to bring better error messages to invalid method calls, by applying some heuristics to identify common mistakes.
The algorithm is inspired by Levenshtein distance and longest common sub-sequence. In essence, we treat the types of the function, and the types of the arguments you provided as two "words" and compute the edits to get from one to the other.
We then modify that algorithm to detect 4 cases:
- A function input is missing
- An extra argument was provided
- The type of an argument is straight up invalid
- Two arguments have been swapped
- A subset of the arguments have been shuffled
(We detect the last two as separate cases so that we can detect two swaps, instead of 4 parameters permuted.)
It helps to understand this argument by paying special attention to terminology: "inputs" refers to the inputs being *expected* by the function, and "arguments" refers to what has been provided at the call site.
The basic sketch of the algorithm is as follows:
- Construct a boolean grid, with a row for each argument, and a column for each input. The cell [i, j] is true if the i'th argument could satisfy the j'th input.
- If we find an argument that could satisfy no inputs, provided for an input that can't be satisfied by any other argument, we consider this an "invalid type".
- Extra arguments are those that can't satisfy any input, provided for an input that *could* be satisfied by another argument.
- Missing inputs are inputs that can't be satisfied by any argument, where the provided argument could satisfy another input
- Swapped / Permuted arguments are identified with a cycle detection algorithm.
As each issue is found, we remove the relevant inputs / arguments and check for more issues. If we find no issues, we match up any "valid" arguments, and start again.
Note that there's a lot of extra complexity:
- We try to stay efficient on the happy path, only computing the diagonal until we find a problem, and then filling in the rest of the matrix.
- Closure arguments are wrapped in a tuple and need to be unwrapped
- We need to resolve closure types after the rest, to allow the most specific type constraints
- We need to handle imported C functions that might be variadic in their inputs.
I tried to document a lot of this in comments in the code and keep the naming clear.
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Consider lifetimes when comparing types for equality in MIR validator
Closes #95978 .
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implement SIMD gather/scatter via vector getelementptr
Fixes https://github.com/rust-lang/portable-simd/issues/271
However, I don't *really* know what I am doing here... Cc ``@workingjubilee`` ``@calebzulawski``
I didn't do anything for cranelift -- ``@bjorn3`` not sure if it's okay for that backend to temporarily break. I'm happy to cherry-pick a patch that adds cranelift support. :)
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r=petrochenkov
Improve diagnostics for unterminated nested block comment
close #95283
(This is my first time try to messing around with rust compiler and might get a lot of things wrong... :bow: )
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