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Rollup of 8 pull requests
Successful merges:
- #138632 (Stabilize `cfg_boolean_literals`)
- #139416 (unstable book; document `macro_metavar_expr_concat`)
- #139782 (Consistent with treating Ctor Call as Struct in liveness analysis)
- #139885 (document RUSTC_BOOTSTRAP, RUSTC_OVERRIDE_VERSION_STRING, and -Z allow-features in the unstable book)
- #139904 (Explicitly annotate edition for `unpretty=expanded` and `unpretty=hir` tests)
- #139932 (transmutability: Refactor tests for simplicity)
- #139944 (Move eager translation to a method on Diag)
- #139948 (git: ignore `60600a6fa403216bfd66e04f948b1822f6450af7` for blame purposes)
r? `@ghost`
`@rustbot` modify labels: rollup
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Type ascription syntax was removed in 2023.
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```
error[E0614]: type `(..., ..., ..., ...)` cannot be dereferenced
--> $DIR/long-E0614.rs:10:5
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LL | *x;
| ^^ can't be dereferenced
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= note: the full name for the type has been written to '$TEST_BUILD_DIR/$FILE.long-type-hash.txt'
= note: consider using `--verbose` to print the full type name to the console
```
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```
error[E0610]: `{integer}` is a primitive type and therefore doesn't have fields
--> $DIR/attempted-access-non-fatal.rs:7:15
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LL | let _ = 2.l;
| ^
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help: if intended to be a floating point literal, consider adding a `0` after the period and a `f64` suffix
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LL - let _ = 2.l;
LL + let _ = 2.0f64;
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```
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Co-authored-by: Max Niederman <max@maxniederman.com>
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in borrowck
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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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Suggest ref mut for pattern matching assignment
Fixes #118596
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```
error[E0382]: use of moved value: `t`
--> $DIR/use_of_moved_value_copy_suggestions.rs:7:9
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LL | fn duplicate_t<T>(t: T) -> (T, T) {
| - move occurs because `t` has type `T`, which does not implement the `Copy` trait
...
LL | (t, t)
| - ^ value used here after move
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| value moved here
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help: if `T` implemented `Clone`, you could clone the value
--> $DIR/use_of_moved_value_copy_suggestions.rs:4:16
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LL | fn duplicate_t<T>(t: T) -> (T, T) {
| ^ consider constraining this type parameter with `Clone`
...
LL | (t, t)
| - you could clone this value
help: consider restricting type parameter `T`
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LL | fn duplicate_t<T: Copy>(t: T) -> (T, T) {
| ++++++
```
The `help` is new. On ADTs, we also extend the output with span labels:
```
error[E0507]: cannot move out of static item `FOO`
--> $DIR/issue-17718-static-move.rs:6:14
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LL | let _a = FOO;
| ^^^ move occurs because `FOO` has type `Foo`, which does not implement the `Copy` trait
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note: if `Foo` implemented `Clone`, you could clone the value
--> $DIR/issue-17718-static-move.rs:1:1
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LL | struct Foo;
| ^^^^^^^^^^ consider implementing `Clone` for this type
...
LL | let _a = FOO;
| --- you could clone this value
help: consider borrowing here
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LL | let _a = &FOO;
| +
```
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match lowering: Lower bindings in a predictable order
After the recent refactorings, we can now lower bindings in a truly predictable order. The order in https://github.com/rust-lang/rust/pull/120214 was an improvement but not very clear. With this PR, we lower bindings from left to right, with the special case that `x @ pat` is traversed as `pat @ x` (i.e. `x` is lowered after any bindings in `pat`).
This description only applies in the absence of or-patterns. Or-patterns make everything complicated, because the binding place depends on the subpattern. Until I have a better idea I leave them to be handled in whatever weird order arises from today's code.
r? `@matthewjasper`
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When a `Local` is fully parsed, but not followed by a `;`, keep the `:` span
arround and mention it. If the type could continue being parsed as an
expression, suggest replacing the `:` with a `=`.
```
error: expected one of `!`, `+`, `->`, `::`, `;`, or `=`, found `.`
--> file.rs:2:32
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2 | let _: std::env::temp_dir().join("foo");
| - ^ expected one of `!`, `+`, `->`, `::`, `;`, or `=`
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| while parsing the type for `_`
| help: use `=` if you meant to assign
```
Fix #119665.
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Rollup of 9 pull requests
Successful merges:
- #119592 (resolve: Unload speculatively resolved crates before freezing cstore)
- #120103 (Make it so that async-fn-in-trait is compatible with a concrete future in implementation)
- #120206 (hir: Make sure all `HirId`s have corresponding HIR `Node`s)
- #120214 (match lowering: consistently lower bindings deepest-first)
- #120688 (GVN: also turn moves into copies with projections)
- #120702 (docs: also check the inline stmt during redundant link check)
- #120727 (exhaustiveness: Prefer "`0..MAX` not covered" to "`_` not covered")
- #120734 (Add `SubdiagnosticMessageOp` as a trait alias.)
- #120739 (improve pretty printing for associated items in trait objects)
r? `@ghost`
`@rustbot` modify labels: rollup
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Co-authored-by: Adrian <adrian.iosdev@gmail.com>
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My type ascription
Oh rip it out
Ah
If you think we live too much then
You can sacrifice diagnostics
Don't mix your garbage
Into my syntax
So many weird hacks keep diagnostics alive
Yet I don't even step outside
So many bad diagnostics keep tyasc alive
Yet tyasc doesn't even bother to survive!
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an explicit phase for them
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