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Rollup of 7 pull requests #120034
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Rollup of 7 pull requests #120034
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Enable crt-static for FreeBSD to enable statically compiled binaries.
`Diagnostic::code` has the type `DiagnosticId`, which has `Error` and `Lint` variants. Plus `Diagnostic::is_lint` is a bool, which should be redundant w.r.t. `Diagnostic::code`. Seems simple. Except it's possible for a lint to have an error code, in which case its `code` field is recorded as `Error`, and `is_lint` is required to indicate that it's a lint. This is what happens with `derive(LintDiagnostic)` lints. Which means those lints don't have a lint name or a `has_future_breakage` field because those are stored in the `DiagnosticId::Lint`. It's all a bit messy and confused and seems unintentional. This commit: - removes `DiagnosticId`; - changes `Diagnostic::code` to `Option<String>`, which means both errors and lints can straightforwardly have an error code; - changes `Diagnostic::is_lint` to `Option<IsLint>`, where `IsLint` is a new type containing a lint name and a `has_future_breakage` bool, so all lints can have those, error code or not.
The advantage of this is that it does not need to be assigned to a variable to be used in a `Context` creation, which is the most common thing to want to do with a noop waker. If an owned noop waker is desired, it can be created by cloning, but the reverse is harder. Alternatively, both versions could be provided, like `futures::task::noop_waker()` and `futures::task::noop_waker_ref()`, but that seems to me to be API clutter for a very small benefit, whereas having the `&'static` reference available is a large benefit. Previous discussion on the tracking issue starting here: rust-lang#98286 (comment)
`Waker::noop()` now returns a `&'static Waker` reference, so it can be passed directly to `Context` creation with no temporary lifetime issue.
…leywiser Enable Static Builds for FreeBSD Enable crt-static for FreeBSD to enable statically compiled binaries.
… r=oli-obk Rework how diagnostic lints are stored. `Diagnostic::code` has the type `DiagnosticId`, which has `Error` and `Lint` variants. Plus `Diagnostic::is_lint` is a bool, which should be redundant w.r.t. `Diagnostic::code`. Seems simple. Except it's possible for a lint to have an error code, in which case its `code` field is recorded as `Error`, and `is_lint` is required to indicate that it's a lint. This is what happens with `derive(LintDiagnostic)` lints. Which means those lints don't have a lint name or a `has_future_breakage` field because those are stored in the `DiagnosticId::Lint`. It's all a bit messy and confused and seems unintentional. This commit: - removes `DiagnosticId`; - changes `Diagnostic::code` to `Option<String>`, which means both errors and lints can straightforwardly have an error code; - changes `Diagnostic::is_lint` to `Option<IsLint>`, where `IsLint` is a new type containing a lint name and a `has_future_breakage` bool, so all lints can have those, error code or not. r? ``@oli-obk``
…ures, r=oli-obk Move async closure parameters into the resultant closure's future eagerly Move async closure parameters into the closure's resultant future eagerly. Before, we used to desugar `async |p1, p2, ..| { body }` as `|p1, p2, ..| { || async { body } }`. Now, we desugar the above like `|p1, p2, ..| { async move { let p1 = p1; let p2 = p2; ... body } }`. This mirrors the same desugaring that `async fn` does with its parameter types, and the compiler literally uses the same code via a shared helper function. This removes the necessity for E0708, since now expressions like `async |x: i32| { x }` will not give you confusing borrow errors. This does *not* fix the case where async closures have self-borrows. This will come with a general implementation of async closures, which is still in the works. r? oli-obk
Change return type of unstable `Waker::noop()` from `Waker` to `&Waker`. The advantage of this is that it does not need to be assigned to a variable to be used in a `Context` creation, which is the most common thing to want to do with a noop waker. It also avoids unnecessarily executing the dynamically dispatched drop function when the noop waker is dropped. If an owned noop waker is desired, it can be created by cloning, but the reverse is harder to do since it requires declaring a constant. Alternatively, both versions could be provided, like `futures::task::noop_waker()` and `futures::task::noop_waker_ref()`, but that seems to me to be API clutter for a very small benefit, whereas having the `&'static` reference available is a large reduction in boilerplate. [Previous discussion on the tracking issue starting here](rust-lang#98286 (comment))
… r=compiler-errors Gracefully handle missing typeck information if typeck errored fixes rust-lang#116893 I created some logs and the typeck of `fn main` is exactly the same, no matter whether the constant's body is what it is, or if it is replaced with `panic!()`. The latter will cause the ICE not to be emitted though. The reason for that is that we abort compilation if *errors* were emitted, but not if *lint errors* were emitted. This took me way too long to debug, and is another reason why I would have liked rust-lang/compiler-team#633
…rrors don't store const var origins for known vars r? types
Fix `rustc_abi` build on stable rust-lang#119446 broke the ability of `rustc_abi` to build on stable, which is required by rust-analyzer. This fixes it.
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…iaskrgr Rollup of 7 pull requests Successful merges: - rust-lang#119855 (Enable Static Builds for FreeBSD) - rust-lang#119922 (Rework how diagnostic lints are stored.) - rust-lang#119978 (Move async closure parameters into the resultant closure's future eagerly) - rust-lang#119984 (Change return type of unstable `Waker::noop()` from `Waker` to `&Waker`.) - rust-lang#120020 (Gracefully handle missing typeck information if typeck errored) - rust-lang#120021 (don't store const var origins for known vars) - rust-lang#120032 (Fix `rustc_abi` build on stable) r? `@ghost` `@rustbot` modify labels: rollup
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…iaskrgr Rollup of 7 pull requests Successful merges: - rust-lang#119855 (Enable Static Builds for FreeBSD) - rust-lang#119922 (Rework how diagnostic lints are stored.) - rust-lang#119978 (Move async closure parameters into the resultant closure's future eagerly) - rust-lang#119984 (Change return type of unstable `Waker::noop()` from `Waker` to `&Waker`.) - rust-lang#120020 (Gracefully handle missing typeck information if typeck errored) - rust-lang#120021 (don't store const var origins for known vars) - rust-lang#120032 (Fix `rustc_abi` build on stable) r? `@ghost` `@rustbot` modify labels: rollup
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A-translation
Area: Translation infrastructure, and migrating existing diagnostics to SessionDiagnostic
rollup
A PR which is a rollup
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T-compiler
Relevant to the compiler team, which will review and decide on the PR/issue.
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Successful merges:
Waker::noop()
fromWaker
to&Waker
. #119984 (Change return type of unstableWaker::noop()
fromWaker
to&Waker
.)rustc_abi
build on stable #120032 (Fixrustc_abi
build on stable)r? @ghost
@rustbot modify labels: rollup
Create a similar rollup