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Rollup of 9 pull requests
Successful merges:
- #104363 (Make `unused_allocation` lint against `Box::new` too)
- #106633 (Stabilize `nonzero_min_max`)
- #106844 (allow negative numeric literals in `concat!`)
- #108071 (Implement goal caching with the new solver)
- #108542 (Force parentheses around `match` expression in binary expression)
- #108690 (Place size limits on query keys and values)
- #108708 (Prevent overflow through Arc::downgrade)
- #108739 (Prevent the `start_bx` basic block in codegen from having two `Builder`s at the same time)
- #108806 (Querify register_tools and post-expansion early lints)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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Force parentheses around `match` expression in binary expression
This attempts to solve https://github.com/rust-lang/rust/issues/98790.
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allow negative numeric literals in `concat!`
Fixes #106837
While *technically* negative numeric literals are implemented as unary operations, users can reasonably expect that negative literals are treated the same as positive literals.
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Make `unused_allocation` lint against `Box::new` too
Previously it only linted against `box` syntax, which likely won't ever be stabilized, which is pretty useless. Even now I'm not sure if it's a meaningful lint, but it's at least something :shrug:
This means that code like the following will be linted against:
```rust
Box::new([1, 2, 3]).len();
f(&Box::new(1)); // where f : &i32 -> ()
```
The lint works by checking if a `Box::new` (or `box`) expression has an a borrow adjustment, meaning that the code that first stores the box in a variable won't be linted against:
```rust
let boxed = Box::new([1, 2, 3]); // no lint
boxed.len();
```
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rustdoc: Don't crash on `crate` references in blocks
This is a regression from #94857.
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Honor current target when checking conditional compilation values
This is fixed by simply using the currently registered target in the current session. We need to use it because of target json that are not by design included in the rustc list of targets.
Fixes https://github.com/rust-lang/rust/issues/108941
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Move __thread_local_inner to sys
Move `__thread_local_inner` macro in `crate::thread::local` to `crate::sys`. Initially, I was thinking about removing this macro completely, but I could not find a way to create the generic statics without macros, so in the end, I just moved to code around.
This probably will need a rebase once https://github.com/rust-lang/rust/pull/108917 is merged
r? ``@workingjubilee``
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Add note when matching token with nonterminal
The current error message is _really_ confusing. The implementation is slightly hacky, but not that much more hacky than all this nonterminal stuff..
r? ``@petrochenkov``
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Rollup of 8 pull requests
Successful merges:
- #105798 (Relax ordering rules for `asm!` operands)
- #105962 (Stabilize path_as_mut_os_str)
- #106085 (use problem matchers for tidy CI)
- #107711 (Stabilize movbe target feature)
- #108017 (Add `--no-undefined-version` link flag and fix associated breakage)
- #108891 (Remove an extraneous include)
- #108902 (no more do while :<)
- #108912 (Document tool lints)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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Relax ordering rules for `asm!` operands
The `asm!` and `global_asm!` macros require their operands to appear strictly in the following order:
- Template strings
- Positional operands
- Named operands
- Explicit register operands
- `clobber_abi`
- `options`
This is overly strict and can be inconvienent when building complex `asm!` statements with macros. This PR relaxes the ordering requirements as follows:
- Template strings must still come before all other operands.
- Positional operands must still come before named and explicit register operands.
- Named and explicit register operands can be freely mixed.
- `options` and `clobber_abi` can appear in any position after the template strings.
r? ```````@joshtriplett```````
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LeSeulArtichaut:108646-target-feature-default-impl, r=cjgillot
Forbid `#[target_feature]` on safe default implementations
Fixes #108646.
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Don't even try to combine consts with incompatible types
~I left a more detailed explanation for why this fixes this issue in the UI test, but in general, we should not try to unify const infer vars and rigid consts if they have incompatible types. That's because we don't want something like a `ConstArgHasType` predicate to suddenly go from passing to failing, or vice versa, due to a shallow resolve.~
1. Use the `type_of` for a parameter in `try_eval_lit_or_param`, instead of the "expected" type from a `WithOptConstParam` def id.
2. Don't combine consts that have incompatible types.
Fixes #108781
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r=petrochenkov
feat: implement better error for manual impl of `Fn*` traits
Fixes #39259
cc `@estebank` (you gave me some advice in the linked issue, would you like to review?)
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fix(lexer): print whitespace warning for \x0c
- close https://github.com/rust-lang/rust/issues/108275
- discussion: https://github.com/rust-lang/rust/pull/108403
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Do not ICE when we have fn pointer `Fn` obligations with bound vars in the self type
We never supported solving `for<'a> fn(&'a ()): Fn(&'a ())` -- I tried to add that support in #104929, but iirc `@lcnr` wanted to support this more generally by eagerly instantiating trait predicate binders with placeholders. That never happened due to blockers in the old solver, but we probably shouldn't ICE in any case.
On the bright side, this passes on the new solver :^)
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Emit alias-eq when equating numeric var and projection
This doesn't fix everything having to do with projections and infer vars, but it does fix a common case I saw in HIR typeck.
r? `@lcnr`
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This allows removing all the platform-dependent code from `library/std/src/thread/local.rs` and `library/std/src/thread/mod.rs`
Signed-off-by: Ayush Singh <ayushsingh1325@gmail.com>
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The current error message is _really_ confusing.
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This is a regression from #94857.
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Rollup of 9 pull requests
Successful merges:
- #108879 (Unconstrained terms should account for infer vars being equated)
- #108936 (Rustdoc: don't hide anonymous reexport)
- #108940 (Add myself to compiler reviewers list)
- #108945 (Make some report and emit errors take DefIds instead of BodyIds)
- #108946 (Document the resulting values produced when using `From<bool>` on floats)
- #108956 (Make ptr::from_ref and ptr::from_mut in #106116 const.)
- #108960 (Remove `body_def_id` from `Inherited`)
- #108963 (only call git on git checkouts during bootstrap)
- #108964 (Fix the docs for pointer method with_metadata_of)
Failed merges:
- #108950 (Directly construct Inherited in typeck.)
r? `@ghost`
`@rustbot` modify labels: rollup
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Introduce a no-op `PlaceMention` statement for `let _ =`.
Fixes https://github.com/rust-lang/rust/issues/54003
Fixes https://github.com/rust-lang/rust/issues/80059
Split from https://github.com/rust-lang/rust/pull/101500
This PR introduces a new `PlaceMention` statement dedicated to matches that neither introduce bindings nor ascribe types. Without this, all traces of the match would vanish from MIR, making it impossible to diagnose unsafety or use in #101500.
This allows to mark `let _ = <unsafe union access or dereference>` as requiring an unsafe block.
Nominating for lang team, as this introduces an extra error.
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Rustdoc: don't hide anonymous reexport
Fixes https://github.com/rust-lang/rust/issues/108931.
From https://github.com/rust-lang/rust/issues/108931, it appears that having anonymous re-exports for traits is actually used in some places, so instead of hiding them automatically, we should prevent them to be ever inlined.
r? `@notriddle`
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This is fixed by simply using the currently registered target in the
current session. We need to use it because of target json that are not
by design included in the rustc list of targets.
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GuillaumeGomez:rustdoc-reexport-of-reexport-of-private, r=notriddle
Fix invalid inlining of reexport of reexport of private item
Fixes https://github.com/rust-lang/rust/issues/108679.
The problem is that a reexport is always resolving to the end type, so if the end type is private, the reexport inlines. Except that if you reexport a public reexport (which reexports the private item), then it should not be inlined again.
r? `@notriddle`
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feat/refactor: improve errors in case of ident with number at start
Improve parser code when we parse a integer (or float) literal but expect an identifier. We emit an error message saying that identifiers can't begin with numbers. This PR just improves that code and expands it to all identifiers. Note that I haven't implemented error recovery (this didn't exist before anyway), I might do that in a follow up PR.
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Place binder correctly for arbitrary trait bound suggestion
suggest `for<'a> &'a T: Trait` instead of `&'a T: for<'a> T`.
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r=GuillaumeGomez,jsha
Only load one CSS theme by default
This is a tweaked version of #103971 that uses `document.write` to create the stylesheet link at startup, avoiding a FOUC during page navigation. It also rebases the PR, making it work with the new hashed filenames.
Fixes #82614
Preview: http://notriddle.com/notriddle-rustdoc-demos/load-only-one-theme-v2/std/index.html
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Rollup of 8 pull requests
Successful merges:
- #108754 (Retry `pred_known_to_hold_modulo_regions` with fulfillment if ambiguous)
- #108759 (1.41.1 supported 32-bit Apple targets)
- #108839 (Canonicalize root var when making response from new solver)
- #108856 (Remove DropAndReplace terminator)
- #108882 (Tweak E0740)
- #108898 (Set `LIBC_CHECK_CFG=1` when building Rust code in bootstrap)
- #108911 (Improve rustdoc-gui/tester.js code a bit)
- #108916 (Remove an unused return value in `rustc_hir_typeck`)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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Do not consider `&mut *x` as mutating `x` in `CopyProp`
This PR removes an unfortunate overly cautious case from the current implementation.
Found by https://github.com/rust-lang/rust/pull/105274 cc `@saethlin`
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Tweak E0740
Also drive-by suppress E0740 if it's an unresolved type.
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Remove DropAndReplace terminator
#107844 made DropAndReplace unused, let's remove it completely from the codebase.
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Canonicalize root var when making response from new solver
During trait solving, if we equate two inference variables `?0` and `?1` but don't equate them with any rigid types, then `InferCtxt::probe_ty_var` will return `Err` for both of these. The canonicalizer code will then canonicalize the variables independently(!), and the response will not reflect the fact that these two variables have been made equal.
This hinders inference and I also don't think it's sound? I haven't thought too much about it past that, so let's talk about it.
r? ``@lcnr``
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Move Clippy tests back to their intended directory
See https://github.com/rust-lang/rust/pull/108674#issuecomment-1459736086.
r? `@flip1995`
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fix: evaluate with wrong obligation stack
fix #108897
r? ``@lcnr``
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r=WaffleLapkin
Tweak illegal `Copy` impl message
The phrase "may not" can both mean "is not able to" and "possibly does not". Disambiguate this by just using "cannot".
``@Lokathor`` expressed being annoyed by this [here](https://twitter.com/Lokathor/status/1633200313544089602?s=20).
Also drive-by fix for this extremely noisy message: https://play.rust-lang.org/?version=stable&mode=debug&edition=2021&gist=6a37275bc810f7846bfe191845b7d11d.
r? diagnostics
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