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`pulldown-cmark` has slightly different behavior between 0.11.0 and
0.11.2, causing one of the `unportable-markdown` tests to no longer emit
an error. Per [1], remove the error annotation and bless the output.
[1]: https://github.com/rust-lang/rust/pull/128722#issuecomment-2295522292
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Rollup of 7 pull requests
Successful merges:
- #122884 (Optimize integer `pow` by removing the exit branch)
- #127857 (Allow to customize `// TODO:` comment for deprecated safe autofix)
- #129034 (Add `#[must_use]` attribute to `Coroutine` trait)
- #129049 (compiletest: Don't panic on unknown JSON-like output lines)
- #129050 (Emit a warning instead of an error if `--generate-link-to-definition` is used with other output formats than HTML)
- #129056 (Fix one usage of target triple in bootstrap)
- #129058 (Add mw back to review rotation)
r? `@ghost`
`@rustbot` modify labels: rollup
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of merged doctest
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Integrate crlf directly into related test file instead via of .gitattributes
resolves https://github.com/rust-lang/rust/issues/128708
This PR seeks to resolve a contributor papercut when using jj to manage the git repo locally which does not support .gitattributes. It does so by integrating the crlf characters directly into the related test and disabling Git's end of line normalization logic across platforms for that specific file, instead of configuring git to always check out the files with alternative eol characters.
related documentation: https://git-scm.com/docs/gitattributes#Documentation/gitattributes.txt-Unset-1
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The `error-format=short` output only displays the path, error code and
main error message all in the same line. We now add the primary span label
as well after the error message, to provide more context.
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When encountering a name in an import that could have come from a crate that wasn't imported, use a structured suggestion to suggest `extern crate foo;` pointing at the right place in the crate.
When encountering `_` in an import, do not suggest `extern crate _;`.
```
error[E0432]: unresolved import `spam`
--> $DIR/import-from-missing-star-3.rs:2:9
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LL | use spam::*;
| ^^^^ maybe a missing crate `spam`?
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help: consider importing the `spam` crate
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LL + extern crate spam;
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```
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Do not use question as label
We don't want to have questions in the diagnostic output. Instead, we use wording that communicates uncertainty, like "might":
```
error[E0432]: unresolved import `spam`
--> $DIR/import-from-missing-star-3.rs:2:9
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LL | use spam::*;
| ^^^^ you might be missing crate `spam`
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= help: consider adding `extern crate spam` to use the `spam` crate
```
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Replace ASCII control chars with Unicode Control Pictures
Replace ASCII control chars like `CR` with Unicode Control Pictures like `␍`:
```
error: bare CR not allowed in doc-comment
--> $DIR/lex-bare-cr-string-literal-doc-comment.rs:3:32
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LL | /// doc comment with bare CR: '␍'
| ^
```
Centralize the checking of unicode char width for the purposes of CLI display in one place. Account for the new replacements. Remove unneeded tracking of "zero-width" unicode chars, as we calculate these in the `SourceMap` as needed now.
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We don't want to have questions in the diagnostic output. Instead, we use wording that communicates uncertainty, like "might":
```
error[E0432]: unresolved import `spam`
--> $DIR/import-from-missing-star-3.rs:2:9
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LL | use spam::*;
| ^^^^ you might be missing crate `spam`
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= help: consider adding `extern crate spam` to use the `spam` crate
```
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No longer track "zero-width" chars in `SourceMap`, read directly from the line when calculating the `display_col` of a `BytePos`. Move `char_width` to `rustc_span` and use it from the emitter.
This change allows the following to properly align in terminals (depending on the font, the replaced control codepoints are rendered as 1 or 2 width, on my terminal they are rendered as 1, on VSCode text they are rendered as 2):
```
error: this file contains an unclosed delimiter
--> $DIR/issue-68629.rs:5:17
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LL | ␜␟ts␀![{i
| -- unclosed delimiter
| |
| unclosed delimiter
LL | ␀␀ fn rݻoa>rݻm
| ^
```
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Fix associated item removal suggestion
We were previously telling people to write what was already there, instead of removal (treating it as a `help`). We now properly suggest to remove the code that needs to be removed.
```
error[E0229]: associated item constraints are not allowed here
--> $DIR/E0229.rs:13:25
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LL | fn baz<I>(x: &<I as Foo<A = Bar>>::A) {}
| ^^^^^^^ associated item constraint not allowed here
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help: consider removing this associated item binding
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LL - fn baz<I>(x: &<I as Foo<A = Bar>>::A) {}
LL + fn baz<I>(x: &<I as Foo>::A) {}
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```
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We were previously telling people to write what was already there, instead of removal.
```
error[E0229]: associated item constraints are not allowed here
--> $DIR/E0229.rs:13:25
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LL | fn baz<I>(x: &<I as Foo<A = Bar>>::A) {}
| ^^^^^^^ associated item constraint not allowed here
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help: consider removing this associated item binding
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LL - fn baz<I>(x: &<I as Foo<A = Bar>>::A) {}
LL + fn baz<I>(x: &<I as Foo>::A) {}
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```
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Make parse error suggestions verbose and fix spans
Go over all structured parser suggestions and make them verbose style.
When suggesting to add or remove delimiters, turn them into multiple suggestion parts.
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Go over all structured parser suggestions and make them verbose style.
When suggesting to add or remove delimiters, turn them into multiple suggestion parts.
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Avoid follow-up errors and ICEs after missing lifetime errors on data structures
Tuple struct constructors are functions, so when we call them typeck will use the signature tuple struct constructor function to provide type hints. Since typeck mostly ignores and erases lifetimes, we end up never seeing the error lifetime in writeback, thus not tainting the typeck result.
Now, we eagerly taint typeck results by tainting from `resolve_vars_if_possible`, which is called all over the place.
I did not carry over all the `crashes` test suite tests, as they are really all the same cause (missing or unknown lifetime names in tuple struct definitions or generic arg lists).
fixes #124262
fixes #124083
fixes #125155
fixes #125888
fixes #125992
fixes #126666
fixes #126648
fixes #127268
fixes #127266
fixes #127304
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Tweak some structured suggestions to be more verbose and accurate
Addressing some issues I found while working on #127282.
```
error: this URL is not a hyperlink
--> $DIR/auxiliary/include-str-bare-urls.md:1:11
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LL | HEADS UP! https://example.com MUST SHOW UP IN THE STDERR FILE!
| ^^^^^^^^^^^^^^^^^^^
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= note: bare URLs are not automatically turned into clickable links
note: the lint level is defined here
--> $DIR/include-str-bare-urls.rs:14:9
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LL | #![deny(rustdoc::bare_urls)]
| ^^^^^^^^^^^^^^^^^^
help: use an automatic link instead
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LL | HEADS UP! <https://example.com> MUST SHOW UP IN THE STDERR FILE!
| + +
```
```
error[E0384]: cannot assign twice to immutable variable `v`
--> $DIR/assign-imm-local-twice.rs:7:5
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LL | v = 1;
| ----- first assignment to `v`
LL | println!("v={}", v);
LL | v = 2;
| ^^^^^ cannot assign twice to immutable variable
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help: consider making this binding mutable
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LL | let mut v: isize;
| +++
```
```
error[E0393]: the type parameter `Rhs` must be explicitly specified
--> $DIR/issue-22560.rs:9:23
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LL | trait Sub<Rhs=Self> {
| ------------------- type parameter `Rhs` must be specified for this
...
LL | type Test = dyn Add + Sub;
| ^^^
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= note: because of the default `Self` reference, type parameters must be specified on object types
help: set the type parameter to the desired type
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LL | type Test = dyn Add + Sub<Rhs>;
| +++++
```
```
error[E0596]: cannot borrow `v` as mutable, as it is not declared as mutable
--> $DIR/issue-33819.rs:4:34
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LL | Some(ref v) => { let a = &mut v; },
| ^^^^^^ cannot borrow as mutable
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help: try removing `&mut` here
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LL - Some(ref v) => { let a = &mut v; },
LL + Some(ref v) => { let a = v; },
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```
```
help: remove the invocation before committing it to a version control system
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LL - dbg!();
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```
```
error[E0308]: mismatched types
--> $DIR/issue-39974.rs:1:21
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LL | const LENGTH: f64 = 2;
| ^ expected `f64`, found integer
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help: use a float literal
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LL | const LENGTH: f64 = 2.0;
| ++
```
```
error[E0529]: expected an array or slice, found `Vec<i32>`
--> $DIR/match-ergonomics.rs:8:9
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LL | [&v] => {},
| ^^^^ pattern cannot match with input type `Vec<i32>`
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help: consider slicing here
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LL | match x[..] {
| ++++
```
```
error[E0609]: no field `0` on type `[u32; 1]`
--> $DIR/parenthesized-deref-suggestion.rs:10:21
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LL | (x as [u32; 1]).0;
| ^ unknown field
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help: instead of using tuple indexing, use array indexing
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LL | (x as [u32; 1])[0];
| ~ +
```
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Use more accurate spans for multipart suggestion.
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docs: check if the disambiguator matches its suffix
Fixes #126986
This PR makes it will not continue resolving when its disambiguator doesn't match the suffix format.
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Switch back `non_local_definitions` lint to allow-by-default
This PR switch back (again) the `non_local_definitions` lint to allow-by-default as T-lang is requesting some (major) changes in the lint inner workings in https://github.com/rust-lang/rust/issues/126768#issuecomment-2192634762.
This PR will need to be beta-backported, as the lint is currently warn-by-default in beta.
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as request T-lang is requesting some major changes in the lint inner
workings in #126768#issuecomment-2192634762
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