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Replace RPITIT current impl with new strategy that lowers as a GAT
This PR replaces the current implementation of RPITITs with the new implementation that we had under -Zlower-impl-trait-in-trait-to-assoc-ty flag that lowers the RPIT as a GAT on the trait and on the impls that implement that trait.
Opening this PR as a draft because this goes after #112682, ~#112981~ and ~#112983~.
As soon as those are merged, I can rebase and we should run perf, crater and test a lot.
r? `@compiler-errors`
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r=estebank
Add filter with following segment while lookup typo for path
From the discussion: https://github.com/rust-lang/rust/pull/112917#discussion_r1239150173
Seems we can not get the assoc items for `Struct`, `Enum` in the resolving phase.
A obvious filter is avoid suggesting the same name with the following segment path.
Use `following_seg` can extend the function `smart_resolve_partial_mod_path_errors` for more scenarios, such as `std::sync_error::atomic::AtomicBool` in test case.
r? `@estebank`
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Suggest importing for partial mod path matching in name resolving
Fixes #112590
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Use structured suggestion when telling user about `for<'a>`
```
error[E0637]: `&` without an explicit lifetime name cannot be used here
--> $DIR/E0637.rs:13:13
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LL | T: Into<&u32>,
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help: consider introducing a higher-ranked lifetime here
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LL | T: for<'a> Into<&'a u32>,
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```
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```
error[E0637]: `&` without an explicit lifetime name cannot be used here
--> $DIR/E0637.rs:13:13
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LL | T: Into<&u32>,
| ^ explicit lifetime name needed here
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help: consider introducing a higher-ranked lifetime here
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LL | T: for<'a> Into<&'a u32>,
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```
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Simplify some conditions
r? `@Nilstrieb`
Some things taken out of my `is_none_or` pr.
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r=fee1-dead
Rewrite most diagnostics as translatable within resolve/imports
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Add translatable diagnostic for cannot be reexported error
also added for subdiagnostics
Add translatable diagnostics for resolve_glob_import errors
Add translatable diag for unable to determine import resolution
Add translatable diag for is not directly importable
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Suggest publicly accessible paths for items in private mod:
When encountering a path in non-import situations that are not reachable
due to privacy constraints, search for any public re-exports that the
user could use instead.
Track whether an import suggestion is offering a re-export.
When encountering a path with private segments, mention if the item at
the final path segment is not publicly accessible at all.
Add item visibility metadata to privacy errors from imports:
On unreachable imports, record the item that was being imported in order
to suggest publicly available re-exports or to be explicit that the item
is not available publicly from any path.
In order to allow this, we add a mode to `resolve_path` that will not
add new privacy errors, nor return early if it encounters one. This way
we can get the `Res` corresponding to the final item in the import,
which is used in the privacy error machinery.
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A single-use closure is inlined and one unnecessary enum is removed.
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This reverts commit 3b059e0fdbf0257ac4921552781d070e8288233a, reversing
changes made to d70be670474c98e62eefc67674b7bb3c7c4f5053.
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Rewrite various resolve/diagnostics errors as translatable diagnostics
additional question:
For trivial strings is it ever accepted to use `fluent_generated::foo` in a `label` for example? Or is an empty struct `Diagnostic` preferred?
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resolve::unresolved_macro_suggestions
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Don't drain-on-drop in DrainFilter impls of various collections.
This removes drain-on-drop behavior from various unstable DrainFilter impls (not yet for HashSet/Map) because that behavior [is problematic](https://github.com/rust-lang/rust/issues/43244#issuecomment-641638196) (because it can lead to panic-in-drop when user closures panic) and may become forbidden if [this draft RFC passes](https://github.com/rust-lang/rfcs/pull/3288).
closes #101122
[ACP](https://github.com/rust-lang/libs-team/issues/136)
affected tracking issues
* #43244
* #70530
* #59618
Related hashbrown update: https://github.com/rust-lang/hashbrown/pull/374
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Make "consider importing" consistent for macros
Fixes #112439
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increase the accuracy of effective visibilities calculation
Effective visibilities are calculated lazily due to performance restrictions. Therefore
- crate should be walked at least 1 time in `compute_effective_visibilities` pass
- Impl's should always be in the effective visibilities table
to ensure that the table is filled in correctly.
r? `@petrochenkov`
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`#[cfg]`s are frequently used to gate crate content behind cargo
features. This can lead to very confusing errors when features are
missing. For example, `serde` doesn't have the `derive` feature by
default. Therefore, `serde::Serialize` fails to resolve with a generic
error, even though the macro is present in the docs.
This commit adds a list of all stripped item names to metadata. This is
filled during macro expansion and then, through a fed query, persisted
in metadata. The downstream resolver can then access the metadata to
look at possible candidates for mentioning in the errors.
This slightly increases metadata (800k->809k for the feature-heavy
windows crate), but not enough to really matter.
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Each of `{D,Subd}iagnosticMessage::{Str,Eager}` has a comment:
```
// FIXME(davidtwco): can a `Cow<'static, str>` be used here?
```
This commit answers that question in the affirmative. It's not the most
compelling change ever, but it might be worth merging.
This requires changing the `impl<'a> From<&'a str>` impls to `impl
From<&'static str>`, which involves a bunch of knock-on changes that
require/result in call sites being a little more precise about exactly
what kind of string they use to create errors, and not just `&str`. This
will result in fewer unnecessary allocations, though this will not have
any notable perf effects given that these are error paths.
Note that I was lazy within Clippy, using `to_string` in a few places to
preserve the existing string imprecision. I could have used `impl
Into<{D,Subd}iagnosticMessage>` in various places as is done in the
compiler, but that would have required changes to *many* call sites
(mostly changing `&format("...")` to `format!("...")`) which didn't seem
worthwhile.
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item
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Ensure Fluent messages are in alphabetical order
Fixes #111847
This adds a tidy check to ensure Fluent messages are in alphabetical order, as well as sorting all existing messages. I think the error could be worded better, would appreciate suggestions.
<details>
<summary>Script used to sort files</summary>
```py
import sys
import re
fn = sys.argv[1]
with open(fn, 'r') as f:
data = f.read().split("\n")
chunks = []
cur = ""
for line in data:
if re.match(r"^([a-zA-Z0-9_]+)\s*=\s*", line):
chunks.append(cur)
cur = ""
cur += line + "\n"
chunks.append(cur)
chunks.sort()
with open(fn, 'w') as f:
f.write(''.join(chunks).strip("\n\n") + "\n")
```
</details>
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update `pulldown-cmark` to `0.9.3`
This PR updates `pulldown-cmark` to version `0.9.3`, which does two main things:
* Pulls in https://github.com/raphlinus/pulldown-cmark/pull/643 to fix https://github.com/rust-lang/rust/issues/111117
* Allows parsing strikethrough with single tildes, e.g. `~foo~` -> ~foo~. This matches the [GFM spec](https://github.github.com/gfm/#strikethrough-extension-).
Full changelog: https://github.com/raphlinus/pulldown-cmark/pull/646
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