diff options
744 files changed, 9331 insertions, 5088 deletions
diff --git a/Cargo.lock b/Cargo.lock index 5a3906c470f..dbb76ada837 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -568,7 +568,7 @@ checksum = "b94f61472cee1439c0b966b47e3aca9ae07e45d070759512cd390ea2bebc6675" [[package]] name = "clippy" -version = "0.1.90" +version = "0.1.91" dependencies = [ "anstream", "askama", @@ -595,7 +595,7 @@ dependencies = [ [[package]] name = "clippy_config" -version = "0.1.90" +version = "0.1.91" dependencies = [ "clippy_utils", "itertools", @@ -618,7 +618,7 @@ dependencies = [ [[package]] name = "clippy_lints" -version = "0.1.90" +version = "0.1.91" dependencies = [ "arrayvec", "cargo_metadata 0.18.1", @@ -649,7 +649,7 @@ dependencies = [ [[package]] name = "clippy_utils" -version = "0.1.90" +version = "0.1.91" dependencies = [ "arrayvec", "itertools", @@ -1051,7 +1051,7 @@ dependencies = [ [[package]] name = "declare_clippy_lint" -version = "0.1.90" +version = "0.1.91" [[package]] name = "derive-where" diff --git a/RELEASES.md b/RELEASES.md index 1ae221774dc..b6dc0628646 100644 --- a/RELEASES.md +++ b/RELEASES.md @@ -1,3 +1,140 @@ +Version 1.89.0 (2025-08-07) +========================== + +<a id="1.89.0-Language"></a> + +Language +-------- +- [Stabilize explicitly inferred const arguments (`feature(generic_arg_infer)`)](https://github.com/rust-lang/rust/pull/141610) +- [Add a warn-by-default `mismatched_lifetime_syntaxes` lint.](https://github.com/rust-lang/rust/pull/138677) + This lint detects when the same lifetime is referred to by different syntax categories between function arguments and return values, which can be confusing to read, especially in unsafe code. + This lint supersedes the warn-by-default `elided_named_lifetimes` lint. +- [Expand `unpredictable_function_pointer_comparisons` to also lint on function pointer comparisons in external macros](https://github.com/rust-lang/rust/pull/134536) +- [Make the `dangerous_implicit_autorefs` lint deny-by-default](https://github.com/rust-lang/rust/pull/141661) +- [Stabilize the avx512 target features](https://github.com/rust-lang/rust/pull/138940) +- [Stabilize `kl` and `widekl` target features for x86](https://github.com/rust-lang/rust/pull/140766) +- [Stabilize `sha512`, `sm3` and `sm4` target features for x86](https://github.com/rust-lang/rust/pull/140767) +- [Stabilize LoongArch target features `f`, `d`, `frecipe`, `lasx`, `lbt`, `lsx`, and `lvz`](https://github.com/rust-lang/rust/pull/135015) +- [Remove `i128` and `u128` from `improper_ctypes_definitions`](https://github.com/rust-lang/rust/pull/137306) +- [Stabilize `repr128` (`#[repr(u128)]`, `#[repr(i128)]`)](https://github.com/rust-lang/rust/pull/138285) +- [Allow `#![doc(test(attr(..)))]` everywhere](https://github.com/rust-lang/rust/pull/140560) +- [Extend temporary lifetime extension to also go through tuple struct and tuple variant constructors](https://github.com/rust-lang/rust/pull/140593) +- [`extern "C"` functions on the `wasm32-unknown-unknown` target now have a standards compliant ABI](https://blog.rust-lang.org/2025/04/04/c-abi-changes-for-wasm32-unknown-unknown/) + +<a id="1.89.0-Compiler"></a> + +Compiler +-------- +- [Default to non-leaf frame pointers on aarch64-linux](https://github.com/rust-lang/rust/pull/140832) +- [Enable non-leaf frame pointers for Arm64EC Windows](https://github.com/rust-lang/rust/pull/140862) +- [Set Apple frame pointers by architecture](https://github.com/rust-lang/rust/pull/141797) + + +<a id="1.89.0-Platform-Support"></a> + +Platform Support +---------------- +- [Add new Tier-3 targets `loongarch32-unknown-none` and `loongarch32-unknown-none-softfloat`](https://github.com/rust-lang/rust/pull/142053) +- [`x86_64-apple-darwin` is in the process of being demoted to Tier 2 with host tools](https://github.com/rust-lang/rfcs/pull/3841) + +Refer to Rust's [platform support page][platform-support-doc] +for more information on Rust's tiered platform support. + +[platform-support-doc]: https://doc.rust-lang.org/rustc/platform-support.html + +<a id="1.89.0-Libraries"></a> + +Libraries +--------- +- [Specify the base path for `file!`](https://github.com/rust-lang/rust/pull/134442) +- [Allow storing `format_args!()` in a variable](https://github.com/rust-lang/rust/pull/140748) +- [Add `#[must_use]` to `[T; N]::map`](https://github.com/rust-lang/rust/pull/140957) +- [Implement `DerefMut` for `Lazy{Cell,Lock}`](https://github.com/rust-lang/rust/pull/129334) +- [Implement `Default` for `array::IntoIter`](https://github.com/rust-lang/rust/pull/141574) +- [Implement `Clone` for `slice::ChunkBy`](https://github.com/rust-lang/rust/pull/138016) +- [Implement `io::Seek` for `io::Take`](https://github.com/rust-lang/rust/pull/138023) + + +<a id="1.89.0-Stabilized-APIs"></a> + +Stabilized APIs +--------------- + +- [`NonZero<char>`](https://doc.rust-lang.org/stable/std/num/struct.NonZero.html) +- Many intrinsics for x86, not enumerated here + - [AVX512 intrinsics](https://github.com/rust-lang/rust/issues/111137) + - [`SHA512`, `SM3` and `SM4` intrinsics](https://github.com/rust-lang/rust/issues/126624) +- [`File::lock`](https://doc.rust-lang.org/stable/std/fs/struct.File.html#method.lock) +- [`File::lock_shared`](https://doc.rust-lang.org/stable/std/fs/struct.File.html#method.lock_shared) +- [`File::try_lock`](https://doc.rust-lang.org/stable/std/fs/struct.File.html#method.try_lock) +- [`File::try_lock_shared`](https://doc.rust-lang.org/stable/std/fs/struct.File.html#method.try_lock_shared) +- [`File::unlock`](https://doc.rust-lang.org/stable/std/fs/struct.File.html#method.unlock) +- [`NonNull::from_ref`](https://doc.rust-lang.org/stable/std/ptr/struct.NonNull.html#method.from_ref) +- [`NonNull::from_mut`](https://doc.rust-lang.org/stable/std/ptr/struct.NonNull.html#method.from_mut) +- [`NonNull::without_provenance`](https://doc.rust-lang.org/stable/std/ptr/struct.NonNull.html#method.without_provenance) +- [`NonNull::with_exposed_provenance`](https://doc.rust-lang.org/stable/std/ptr/struct.NonNull.html#method.with_exposed_provenance) +- [`NonNull::expose_provenance`](https://doc.rust-lang.org/stable/std/ptr/struct.NonNull.html#method.expose_provenance) +- [`OsString::leak`](https://doc.rust-lang.org/stable/std/ffi/struct.OsString.html#method.leak) +- [`PathBuf::leak`](https://doc.rust-lang.org/stable/std/path/struct.PathBuf.html#method.leak) +- [`Result::flatten`](https://doc.rust-lang.org/stable/std/result/enum.Result.html#method.flatten) +- [`std::os::linux::net::TcpStreamExt::quickack`](https://doc.rust-lang.org/stable/std/os/linux/net/trait.TcpStreamExt.html#tymethod.quickack) +- [`std::os::linux::net::TcpStreamExt::set_quickack`](https://doc.rust-lang.org/stable/std/os/linux/net/trait.TcpStreamExt.html#tymethod.set_quickack) + +These previously stable APIs are now stable in const contexts: + +- [`<[T; N]>::as_mut_slice`](https://doc.rust-lang.org/stable/std/primitive.array.html#method.as_mut_slice) +- [`<[u8]>::eq_ignore_ascii_case`](https://doc.rust-lang.org/stable/std/primitive.slice.html#impl-%5Bu8%5D/method.eq_ignore_ascii_case) +- [`str::eq_ignore_ascii_case`](https://doc.rust-lang.org/stable/std/primitive.str.html#impl-str/method.eq_ignore_ascii_case) + + +<a id="1.89.0-Cargo"></a> + +Cargo +----- +- [`cargo fix` and `cargo clippy --fix` now default to the same Cargo target selection as other build commands.](https://github.com/rust-lang/cargo/pull/15192/) Previously it would apply to all targets (like binaries, examples, tests, etc.). The `--edition` flag still applies to all targets. +- [Stabilize doctest-xcompile.](https://github.com/rust-lang/cargo/pull/15462/) Doctests are now tested when cross-compiling. Just like other tests, it will use the [`runner` setting](https://doc.rust-lang.org/cargo/reference/config.html#targettriplerunner) to run the tests. If you need to disable tests for a target, you can use the [ignore doctest attribute](https://doc.rust-lang.org/rustdoc/write-documentation/documentation-tests.html#ignoring-targets) to specify the targets to ignore. + + +<a id="1.89.0-Rustdoc"></a> + +Rustdoc +----- +- [On mobile, make the sidebar full width and linewrap](https://github.com/rust-lang/rust/pull/139831). This makes long section and item names much easier to deal with on mobile. + + +<a id="1.89.0-Compatibility-Notes"></a> + +Compatibility Notes +------------------- +- [Make `missing_fragment_specifier` an unconditional error](https://github.com/rust-lang/rust/pull/128425) +- [Enabling the `neon` target feature on `aarch64-unknown-none-softfloat` causes a warning](https://github.com/rust-lang/rust/pull/135160) because mixing code with and without that target feature is not properly supported by LLVM +- [Sized Hierarchy: Part I](https://github.com/rust-lang/rust/pull/137944) + - Introduces a small breaking change affecting `?Sized` bounds on impls on recursive types which contain associated type projections. It is not expected to affect any existing published crates. Can be fixed by refactoring the involved types or opting into the `sized_hierarchy` unstable feature. See the [FCP report](https://github.com/rust-lang/rust/pull/137944#issuecomment-2912207485) for a code example. +- The warn-by-default `elided_named_lifetimes` lint is [superseded by the warn-by-default `mismatched_lifetime_syntaxes` lint.](https://github.com/rust-lang/rust/pull/138677) +- [Error on recursive opaque types earlier in the type checker](https://github.com/rust-lang/rust/pull/139419) +- [Type inference side effects from requiring element types of array repeat expressions are `Copy` are now only available at the end of type checking](https://github.com/rust-lang/rust/pull/139635) +- [The deprecated accidentally-stable `std::intrinsics::{copy,copy_nonoverlapping,write_bytes}` are now proper intrinsics](https://github.com/rust-lang/rust/pull/139916). There are no debug assertions guarding against UB, and they cannot be coerced to function pointers. +- [Remove long-deprecated `std::intrinsics::drop_in_place`](https://github.com/rust-lang/rust/pull/140151) +- [Make well-formedness predicates no longer coinductive](https://github.com/rust-lang/rust/pull/140208) +- [Remove hack when checking impl method compatibility](https://github.com/rust-lang/rust/pull/140557) +- [Remove unnecessary type inference due to built-in trait object impls](https://github.com/rust-lang/rust/pull/141352) +- [Lint against "stdcall", "fastcall", and "cdecl" on non-x86-32 targets](https://github.com/rust-lang/rust/pull/141435) +- [Future incompatibility warnings relating to the never type (`!`) are now reported in dependencies](https://github.com/rust-lang/rust/pull/141937) +- [Ensure `std::ptr::copy_*` intrinsics also perform the static self-init checks](https://github.com/rust-lang/rust/pull/142575) +- [`extern "C"` functions on the `wasm32-unknown-unknown` target now have a standards compliant ABI](https://blog.rust-lang.org/2025/04/04/c-abi-changes-for-wasm32-unknown-unknown/) + +<a id="1.89.0-Internal-Changes"></a> + +Internal Changes +---------------- + +These changes do not affect any public interfaces of Rust, but they represent +significant improvements to the performance or internals of rustc and related +tools. + +- [Correctly un-remap compiler sources paths with the `rustc-dev` component](https://github.com/rust-lang/rust/pull/142377) + + Version 1.88.0 (2025-06-26) ========================== diff --git a/compiler/rustc_ast_lowering/src/expr.rs b/compiler/rustc_ast_lowering/src/expr.rs index 1245d489754..fb42cfea30b 100644 --- a/compiler/rustc_ast_lowering/src/expr.rs +++ b/compiler/rustc_ast_lowering/src/expr.rs @@ -98,7 +98,7 @@ impl<'hir> LoweringContext<'_, 'hir> { } let expr_hir_id = self.lower_node_id(e.id); - self.lower_attrs(expr_hir_id, &e.attrs, e.span); + let attrs = self.lower_attrs(expr_hir_id, &e.attrs, e.span); let kind = match &e.kind { ExprKind::Array(exprs) => hir::ExprKind::Array(self.lower_exprs(exprs)), @@ -232,10 +232,10 @@ impl<'hir> LoweringContext<'_, 'hir> { *fn_arg_span, ), None => self.lower_expr_closure( + attrs, binder, *capture_clause, e.id, - expr_hir_id, *constness, *movability, fn_decl, @@ -1052,10 +1052,10 @@ impl<'hir> LoweringContext<'_, 'hir> { fn lower_expr_closure( &mut self, + attrs: &[rustc_hir::Attribute], binder: &ClosureBinder, capture_clause: CaptureBy, closure_id: NodeId, - closure_hir_id: hir::HirId, constness: Const, movability: Movability, decl: &FnDecl, @@ -1067,15 +1067,9 @@ impl<'hir> LoweringContext<'_, 'hir> { let (binder_clause, generic_params) = self.lower_closure_binder(binder); let (body_id, closure_kind) = self.with_new_scopes(fn_decl_span, move |this| { - let mut coroutine_kind = if this - .attrs - .get(&closure_hir_id.local_id) - .is_some_and(|attrs| attrs.iter().any(|attr| attr.has_name(sym::coroutine))) - { - Some(hir::CoroutineKind::Coroutine(Movability::Movable)) - } else { - None - }; + + let mut coroutine_kind = find_attr!(attrs, AttributeKind::Coroutine(_) => hir::CoroutineKind::Coroutine(Movability::Movable)); + // FIXME(contracts): Support contracts on closures? let body_id = this.lower_fn_body(decl, None, |this| { this.coroutine_kind = coroutine_kind; diff --git a/compiler/rustc_ast_passes/messages.ftl b/compiler/rustc_ast_passes/messages.ftl index 42f3569f0f1..53e64439afc 100644 --- a/compiler/rustc_ast_passes/messages.ftl +++ b/compiler/rustc_ast_passes/messages.ftl @@ -40,7 +40,7 @@ ast_passes_auto_generic = auto traits cannot have generic parameters ast_passes_auto_items = auto traits cannot have associated items .label = {ast_passes_auto_items} - .suggestion = remove these associated items + .suggestion = remove the associated items ast_passes_auto_super_lifetime = auto traits cannot have super traits or lifetime bounds .label = {ast_passes_auto_super_lifetime} diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs index ae482ceb9b7..1c1c5f82f3e 100644 --- a/compiler/rustc_ast_passes/src/ast_validation.rs +++ b/compiler/rustc_ast_passes/src/ast_validation.rs @@ -699,19 +699,23 @@ impl<'a> AstValidator<'a> { } } - fn deny_super_traits(&self, bounds: &GenericBounds, ident_span: Span) { + fn deny_super_traits(&self, bounds: &GenericBounds, ident: Span) { if let [.., last] = &bounds[..] { - let span = ident_span.shrink_to_hi().to(last.span()); - self.dcx().emit_err(errors::AutoTraitBounds { span, ident: ident_span }); + let span = bounds.iter().map(|b| b.span()).collect(); + let removal = ident.shrink_to_hi().to(last.span()); + self.dcx().emit_err(errors::AutoTraitBounds { span, removal, ident }); } } - fn deny_where_clause(&self, where_clause: &WhereClause, ident_span: Span) { + fn deny_where_clause(&self, where_clause: &WhereClause, ident: Span) { if !where_clause.predicates.is_empty() { // FIXME: The current diagnostic is misleading since it only talks about // super trait and lifetime bounds while we should just say “bounds”. - self.dcx() - .emit_err(errors::AutoTraitBounds { span: where_clause.span, ident: ident_span }); + self.dcx().emit_err(errors::AutoTraitBounds { + span: vec![where_clause.span], + removal: where_clause.span, + ident, + }); } } diff --git a/compiler/rustc_ast_passes/src/errors.rs b/compiler/rustc_ast_passes/src/errors.rs index 8b5873a3ef3..60f47490f12 100644 --- a/compiler/rustc_ast_passes/src/errors.rs +++ b/compiler/rustc_ast_passes/src/errors.rs @@ -344,7 +344,7 @@ pub(crate) struct ModuleNonAscii { #[diag(ast_passes_auto_generic, code = E0567)] pub(crate) struct AutoTraitGeneric { #[primary_span] - #[suggestion(code = "", applicability = "machine-applicable")] + #[suggestion(code = "", applicability = "machine-applicable", style = "tool-only")] pub span: Span, #[label] pub ident: Span, @@ -354,8 +354,9 @@ pub(crate) struct AutoTraitGeneric { #[diag(ast_passes_auto_super_lifetime, code = E0568)] pub(crate) struct AutoTraitBounds { #[primary_span] - #[suggestion(code = "", applicability = "machine-applicable")] - pub span: Span, + pub span: Vec<Span>, + #[suggestion(code = "", applicability = "machine-applicable", style = "tool-only")] + pub removal: Span, #[label] pub ident: Span, } @@ -365,7 +366,7 @@ pub(crate) struct AutoTraitBounds { pub(crate) struct AutoTraitItems { #[primary_span] pub spans: Vec<Span>, - #[suggestion(code = "", applicability = "machine-applicable")] + #[suggestion(code = "", applicability = "machine-applicable", style = "tool-only")] pub total: Span, #[label] pub ident: Span, diff --git a/compiler/rustc_attr_parsing/src/attributes/body.rs b/compiler/rustc_attr_parsing/src/attributes/body.rs new file mode 100644 index 00000000000..ab9330216f6 --- /dev/null +++ b/compiler/rustc_attr_parsing/src/attributes/body.rs @@ -0,0 +1,15 @@ +//! Attributes that can be found in function body. + +use rustc_hir::attrs::AttributeKind; +use rustc_span::{Symbol, sym}; + +use super::{NoArgsAttributeParser, OnDuplicate}; +use crate::context::Stage; + +pub(crate) struct CoroutineParser; + +impl<S: Stage> NoArgsAttributeParser<S> for CoroutineParser { + const PATH: &[Symbol] = &[sym::coroutine]; + const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Error; + const CREATE: fn(rustc_span::Span) -> AttributeKind = |span| AttributeKind::Coroutine(span); +} diff --git a/compiler/rustc_attr_parsing/src/attributes/mod.rs b/compiler/rustc_attr_parsing/src/attributes/mod.rs index c574ef78bdf..f7946ade6d2 100644 --- a/compiler/rustc_attr_parsing/src/attributes/mod.rs +++ b/compiler/rustc_attr_parsing/src/attributes/mod.rs @@ -26,6 +26,7 @@ use crate::parser::ArgParser; use crate::session_diagnostics::UnusedMultiple; pub(crate) mod allow_unstable; +pub(crate) mod body; pub(crate) mod cfg; pub(crate) mod cfg_old; pub(crate) mod codegen_attrs; diff --git a/compiler/rustc_attr_parsing/src/attributes/test_attrs.rs b/compiler/rustc_attr_parsing/src/attributes/test_attrs.rs index a90ed830cd1..77b494328c7 100644 --- a/compiler/rustc_attr_parsing/src/attributes/test_attrs.rs +++ b/compiler/rustc_attr_parsing/src/attributes/test_attrs.rs @@ -44,3 +44,55 @@ impl<S: Stage> SingleAttributeParser<S> for IgnoreParser { }) } } + +pub(crate) struct ShouldPanicParser; + +impl<S: Stage> SingleAttributeParser<S> for ShouldPanicParser { + const PATH: &[Symbol] = &[sym::should_panic]; + const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepOutermost; + const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::WarnButFutureError; + const TEMPLATE: AttributeTemplate = + template!(Word, List: r#"expected = "reason""#, NameValueStr: "reason"); + + fn convert(cx: &mut AcceptContext<'_, '_, S>, args: &ArgParser<'_>) -> Option<AttributeKind> { + Some(AttributeKind::ShouldPanic { + span: cx.attr_span, + reason: match args { + ArgParser::NoArgs => None, + ArgParser::NameValue(name_value) => { + let Some(str_value) = name_value.value_as_str() else { + cx.expected_string_literal( + name_value.value_span, + Some(name_value.value_as_lit()), + ); + return None; + }; + Some(str_value) + } + ArgParser::List(list) => { + let Some(single) = list.single() else { + cx.expected_single_argument(list.span); + return None; + }; + let Some(single) = single.meta_item() else { + cx.expected_name_value(single.span(), Some(sym::expected)); + return None; + }; + if !single.path().word_is(sym::expected) { + cx.expected_specific_argument_strings(list.span, vec!["expected"]); + return None; + } + let Some(nv) = single.args().name_value() else { + cx.expected_name_value(single.span(), Some(sym::expected)); + return None; + }; + let Some(expected) = nv.value_as_str() else { + cx.expected_string_literal(nv.value_span, Some(nv.value_as_lit())); + return None; + }; + Some(expected) + } + }, + }) + } +} diff --git a/compiler/rustc_attr_parsing/src/context.rs b/compiler/rustc_attr_parsing/src/context.rs index c6599f20c2d..80dfdffdb55 100644 --- a/compiler/rustc_attr_parsing/src/context.rs +++ b/compiler/rustc_attr_parsing/src/context.rs @@ -16,6 +16,7 @@ use rustc_span::{DUMMY_SP, ErrorGuaranteed, Span, Symbol, sym}; use crate::attributes::allow_unstable::{ AllowConstFnUnstableParser, AllowInternalUnstableParser, UnstableFeatureBoundParser, }; +use crate::attributes::body::CoroutineParser; use crate::attributes::codegen_attrs::{ ColdParser, CoverageParser, ExportNameParser, NakedParser, NoMangleParser, OptimizeParser, TargetFeatureParser, TrackCallerParser, UsedParser, @@ -49,7 +50,7 @@ use crate::attributes::semantics::MayDangleParser; use crate::attributes::stability::{ BodyStabilityParser, ConstStabilityIndirectParser, ConstStabilityParser, StabilityParser, }; -use crate::attributes::test_attrs::IgnoreParser; +use crate::attributes::test_attrs::{IgnoreParser, ShouldPanicParser}; use crate::attributes::traits::{ AllowIncoherentImplParser, CoherenceIsCoreParser, CoinductiveParser, ConstTraitParser, DenyExplicitImplParser, DoNotImplementViaObjectParser, FundamentalParser, MarkerParser, @@ -173,6 +174,7 @@ attribute_parsers!( Single<RustcLayoutScalarValidRangeEnd>, Single<RustcLayoutScalarValidRangeStart>, Single<RustcObjectLifetimeDefaultParser>, + Single<ShouldPanicParser>, Single<SkipDuringMethodDispatchParser>, Single<TransparencyParser>, Single<WithoutArgs<AllowIncoherentImplParser>>, @@ -184,6 +186,7 @@ attribute_parsers!( Single<WithoutArgs<ConstContinueParser>>, Single<WithoutArgs<ConstStabilityIndirectParser>>, Single<WithoutArgs<ConstTraitParser>>, + Single<WithoutArgs<CoroutineParser>>, Single<WithoutArgs<DenyExplicitImplParser>>, Single<WithoutArgs<DoNotImplementViaObjectParser>>, Single<WithoutArgs<ExportStableParser>>, diff --git a/compiler/rustc_borrowck/src/type_check/mod.rs b/compiler/rustc_borrowck/src/type_check/mod.rs index f5fedbf95c1..148d0de3bab 100644 --- a/compiler/rustc_borrowck/src/type_check/mod.rs +++ b/compiler/rustc_borrowck/src/type_check/mod.rs @@ -769,9 +769,13 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> { } TerminatorKind::Call { func, args, .. } | TerminatorKind::TailCall { func, args, .. } => { - let call_source = match term.kind { - TerminatorKind::Call { call_source, .. } => call_source, - TerminatorKind::TailCall { .. } => CallSource::Normal, + let (call_source, destination, is_diverging) = match term.kind { + TerminatorKind::Call { call_source, destination, target, .. } => { + (call_source, destination, target.is_none()) + } + TerminatorKind::TailCall { .. } => { + (CallSource::Normal, RETURN_PLACE.into(), false) + } _ => unreachable!(), }; @@ -845,9 +849,7 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> { ); } - if let TerminatorKind::Call { destination, target, .. } = term.kind { - self.check_call_dest(term, &sig, destination, target, term_location); - } + self.check_call_dest(term, &sig, destination, is_diverging, term_location); // The ordinary liveness rules will ensure that all // regions in the type of the callee are live here. We @@ -1874,65 +1876,61 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { term: &Terminator<'tcx>, sig: &ty::FnSig<'tcx>, destination: Place<'tcx>, - target: Option<BasicBlock>, + is_diverging: bool, term_location: Location, ) { let tcx = self.tcx(); - match target { - Some(_) => { - let dest_ty = destination.ty(self.body, tcx).ty; - let dest_ty = self.normalize(dest_ty, term_location); - let category = match destination.as_local() { - Some(RETURN_PLACE) => { - if let DefiningTy::Const(def_id, _) | DefiningTy::InlineConst(def_id, _) = - self.universal_regions.defining_ty - { - if tcx.is_static(def_id) { - ConstraintCategory::UseAsStatic - } else { - ConstraintCategory::UseAsConst - } + if is_diverging { + // The signature in this call can reference region variables, + // so erase them before calling a query. + let output_ty = self.tcx().erase_regions(sig.output()); + if !output_ty + .is_privately_uninhabited(self.tcx(), self.infcx.typing_env(self.infcx.param_env)) + { + span_mirbug!(self, term, "call to converging function {:?} w/o dest", sig); + } + } else { + let dest_ty = destination.ty(self.body, tcx).ty; + let dest_ty = self.normalize(dest_ty, term_location); + let category = match destination.as_local() { + Some(RETURN_PLACE) => { + if let DefiningTy::Const(def_id, _) | DefiningTy::InlineConst(def_id, _) = + self.universal_regions.defining_ty + { + if tcx.is_static(def_id) { + ConstraintCategory::UseAsStatic } else { - ConstraintCategory::Return(ReturnConstraint::Normal) + ConstraintCategory::UseAsConst } + } else { + ConstraintCategory::Return(ReturnConstraint::Normal) } - Some(l) if !self.body.local_decls[l].is_user_variable() => { - ConstraintCategory::Boring - } - // The return type of a call is interesting for diagnostics. - _ => ConstraintCategory::Assignment, - }; - - let locations = term_location.to_locations(); - - if let Err(terr) = self.sub_types(sig.output(), dest_ty, locations, category) { - span_mirbug!( - self, - term, - "call dest mismatch ({:?} <- {:?}): {:?}", - dest_ty, - sig.output(), - terr - ); } - - // When `unsized_fn_params` is not enabled, - // this check is done at `check_local`. - if self.unsized_feature_enabled() { - let span = term.source_info.span; - self.ensure_place_sized(dest_ty, span); + Some(l) if !self.body.local_decls[l].is_user_variable() => { + ConstraintCategory::Boring } + // The return type of a call is interesting for diagnostics. + _ => ConstraintCategory::Assignment, + }; + + let locations = term_location.to_locations(); + + if let Err(terr) = self.sub_types(sig.output(), dest_ty, locations, category) { + span_mirbug!( + self, + term, + "call dest mismatch ({:?} <- {:?}): {:?}", + dest_ty, + sig.output(), + terr + ); } - None => { - // The signature in this call can reference region variables, - // so erase them before calling a query. - let output_ty = self.tcx().erase_regions(sig.output()); - if !output_ty.is_privately_uninhabited( - self.tcx(), - self.infcx.typing_env(self.infcx.param_env), - ) { - span_mirbug!(self, term, "call to converging function {:?} w/o dest", sig); - } + + // When `unsized_fn_params` is not enabled, + // this check is done at `check_local`. + if self.unsized_feature_enabled() { + let span = term.source_info.span; + self.ensure_place_sized(dest_ty, span); } } } diff --git a/compiler/rustc_builtin_macros/src/test.rs b/compiler/rustc_builtin_macros/src/test.rs index ba3d8368b2a..7b57c02b197 100644 --- a/compiler/rustc_builtin_macros/src/test.rs +++ b/compiler/rustc_builtin_macros/src/test.rs @@ -5,10 +5,13 @@ use std::assert_matches::assert_matches; use std::iter; use rustc_ast::ptr::P; -use rustc_ast::{self as ast, GenericParamKind, attr, join_path_idents}; +use rustc_ast::{self as ast, GenericParamKind, HasNodeId, attr, join_path_idents}; use rustc_ast_pretty::pprust; +use rustc_attr_parsing::AttributeParser; use rustc_errors::{Applicability, Diag, Level}; use rustc_expand::base::*; +use rustc_hir::Attribute; +use rustc_hir::attrs::AttributeKind; use rustc_span::{ErrorGuaranteed, FileNameDisplayPreference, Ident, Span, Symbol, sym}; use thin_vec::{ThinVec, thin_vec}; use tracing::debug; @@ -473,39 +476,19 @@ fn should_ignore_message(i: &ast::Item) -> Option<Symbol> { } fn should_panic(cx: &ExtCtxt<'_>, i: &ast::Item) -> ShouldPanic { - match attr::find_by_name(&i.attrs, sym::should_panic) { - Some(attr) => { - match attr.meta_item_list() { - // Handle #[should_panic(expected = "foo")] - Some(list) => { - let msg = list - .iter() - .find(|mi| mi.has_name(sym::expected)) - .and_then(|mi| mi.meta_item()) - .and_then(|mi| mi.value_str()); - if list.len() != 1 || msg.is_none() { - cx.dcx() - .struct_span_warn( - attr.span, - "argument must be of the form: \ - `expected = \"error message\"`", - ) - .with_note( - "errors in this attribute were erroneously \ - allowed and will become a hard error in a \ - future release", - ) - .emit(); - ShouldPanic::Yes(None) - } else { - ShouldPanic::Yes(msg) - } - } - // Handle #[should_panic] and #[should_panic = "expected"] - None => ShouldPanic::Yes(attr.value_str()), - } - } - None => ShouldPanic::No, + if let Some(Attribute::Parsed(AttributeKind::ShouldPanic { reason, .. })) = + AttributeParser::parse_limited( + cx.sess, + &i.attrs, + sym::should_panic, + i.span, + i.node_id(), + None, + ) + { + ShouldPanic::Yes(reason) + } else { + ShouldPanic::No } } diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs index 53899da183a..3b290e5a129 100644 --- a/compiler/rustc_codegen_llvm/src/llvm_util.rs +++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs @@ -262,6 +262,15 @@ pub(crate) fn to_llvm_features<'a>(sess: &Session, s: &'a str) -> Option<LLVMFea // Filter out features that are not supported by the current LLVM version ("aarch64", "fpmr") => None, // only existed in 18 ("arm", "fp16") => Some(LLVMFeature::new("fullfp16")), + // NVPTX targets added in LLVM 20 + ("nvptx64", "sm_100") if get_version().0 < 20 => None, + ("nvptx64", "sm_100a") if get_version().0 < 20 => None, + ("nvptx64", "sm_101") if get_version().0 < 20 => None, + ("nvptx64", "sm_101a") if get_version().0 < 20 => None, + ("nvptx64", "sm_120") if get_version().0 < 20 => None, + ("nvptx64", "sm_120a") if get_version().0 < 20 => None, + ("nvptx64", "ptx86") if get_version().0 < 20 => None, + ("nvptx64", "ptx87") if get_version().0 < 20 => None, // Filter out features that are not supported by the current LLVM version ("loongarch64", "div32" | "lam-bh" | "lamcas" | "ld-seq-sa" | "scq") if get_version().0 < 20 => @@ -324,15 +333,12 @@ pub(crate) fn to_llvm_features<'a>(sess: &Session, s: &'a str) -> Option<LLVMFea /// /// We do not have to worry about RUSTC_SPECIFIC_FEATURES here, those are handled outside codegen. pub(crate) fn target_config(sess: &Session) -> TargetConfig { - // Add base features for the target. - // We do *not* add the -Ctarget-features there, and instead duplicate the logic for that below. - // The reason is that if LLVM considers a feature implied but we do not, we don't want that to - // show up in `cfg`. That way, `cfg` is entirely under our control -- except for the handling of - // the target CPU, that is still expanded to target features (with all their implied features) - // by LLVM. let target_machine = create_informational_target_machine(sess, true); let (unstable_target_features, target_features) = cfg_target_feature(sess, |feature| { + // This closure determines whether the target CPU has the feature according to LLVM. We do + // *not* consider the `-Ctarget-feature`s here, as that will be handled later in + // `cfg_target_feature`. if let Some(feat) = to_llvm_features(sess, feature) { // All the LLVM features this expands to must be enabled. for llvm_feature in feat { diff --git a/compiler/rustc_codegen_ssa/src/assert_module_sources.rs b/compiler/rustc_codegen_ssa/src/assert_module_sources.rs index 3710625ac12..43e1e135a66 100644 --- a/compiler/rustc_codegen_ssa/src/assert_module_sources.rs +++ b/compiler/rustc_codegen_ssa/src/assert_module_sources.rs @@ -69,6 +69,15 @@ pub fn assert_module_sources(tcx: TyCtxt<'_>, set_reuse: &dyn Fn(&mut CguReuseTr set_reuse(&mut ams.cgu_reuse_tracker); + if tcx.sess.opts.unstable_opts.print_mono_items + && let Some(data) = &ams.cgu_reuse_tracker.data + { + data.actual_reuse.items().all(|(cgu, reuse)| { + println!("CGU_REUSE {cgu} {reuse}"); + true + }); + } + ams.cgu_reuse_tracker.check_expected_reuse(tcx.sess); }); } diff --git a/compiler/rustc_codegen_ssa/src/mir/operand.rs b/compiler/rustc_codegen_ssa/src/mir/operand.rs index 5459f95c186..d851c332980 100644 --- a/compiler/rustc_codegen_ssa/src/mir/operand.rs +++ b/compiler/rustc_codegen_ssa/src/mir/operand.rs @@ -498,6 +498,35 @@ impl<'a, 'tcx, V: CodegenObject> OperandRef<'tcx, V> { bx.cx().const_uint(cast_to, niche_variants.start().as_u32() as u64); (is_niche, tagged_discr, 0) } else { + // Thanks to parameter attributes and load metadata, LLVM already knows + // the general valid range of the tag. It's possible, though, for there + // to be an impossible value *in the middle*, which those ranges don't + // communicate, so it's worth an `assume` to let the optimizer know. + // Most importantly, this means when optimizing a variant test like + // `SELECT(is_niche, complex, CONST) == CONST` it's ok to simplify that + // to `!is_niche` because the `complex` part can't possibly match. + // + // This was previously asserted on `tagged_discr` below, where the + // impossible value is more obvious, but that caused an intermediate + // value to become multi-use and thus not optimize, so instead this + // assumes on the original input which is always multi-use. See + // <https://github.com/llvm/llvm-project/issues/134024#issuecomment-3131782555> + // + // FIXME: If we ever get range assume operand bundles in LLVM (so we + // don't need the `icmp`s in the instruction stream any more), it + // might be worth moving this back to being on the switch argument + // where it's more obviously applicable. + if niche_variants.contains(&untagged_variant) + && bx.cx().sess().opts.optimize != OptLevel::No + { + let impossible = niche_start + .wrapping_add(u128::from(untagged_variant.as_u32())) + .wrapping_sub(u128::from(niche_variants.start().as_u32())); + let impossible = bx.cx().const_uint_big(tag_llty, impossible); + let ne = bx.icmp(IntPredicate::IntNE, tag, impossible); + bx.assume(ne); + } + // With multiple niched variants we'll have to actually compute // the variant index from the stored tag. // @@ -588,20 +617,6 @@ impl<'a, 'tcx, V: CodegenObject> OperandRef<'tcx, V> { let untagged_variant_const = bx.cx().const_uint(cast_to, u64::from(untagged_variant.as_u32())); - // Thanks to parameter attributes and load metadata, LLVM already knows - // the general valid range of the tag. It's possible, though, for there - // to be an impossible value *in the middle*, which those ranges don't - // communicate, so it's worth an `assume` to let the optimizer know. - // Most importantly, this means when optimizing a variant test like - // `SELECT(is_niche, complex, CONST) == CONST` it's ok to simplify that - // to `!is_niche` because the `complex` part can't possibly match. - if niche_variants.contains(&untagged_variant) - && bx.cx().sess().opts.optimize != OptLevel::No - { - let ne = bx.icmp(IntPredicate::IntNE, tagged_discr, untagged_variant_const); - bx.assume(ne); - } - let discr = bx.select(is_niche, tagged_discr, untagged_variant_const); // In principle we could insert assumes on the possible range of `discr`, but diff --git a/compiler/rustc_codegen_ssa/src/target_features.rs b/compiler/rustc_codegen_ssa/src/target_features.rs index d984156c674..7e4341a8236 100644 --- a/compiler/rustc_codegen_ssa/src/target_features.rs +++ b/compiler/rustc_codegen_ssa/src/target_features.rs @@ -197,7 +197,10 @@ fn parse_rust_feature_flag<'a>( /// 2nd component of the return value, respectively). /// /// `target_base_has_feature` should check whether the given feature (a Rust feature name!) is -/// enabled in the "base" target machine, i.e., without applying `-Ctarget-feature`. +/// enabled in the "base" target machine, i.e., without applying `-Ctarget-feature`. Note that LLVM +/// may consider features to be implied that we do not and vice-versa. We want `cfg` to be entirely +/// consistent with Rust feature implications, and thus only consult LLVM to expand the target CPU +/// to target features. /// /// We do not have to worry about RUSTC_SPECIFIC_FEATURES here, those are handled elsewhere. pub fn cfg_target_feature( @@ -211,7 +214,15 @@ pub fn cfg_target_feature( .rust_target_features() .iter() .filter(|(feature, _, _)| target_base_has_feature(feature)) - .map(|(feature, _, _)| Symbol::intern(feature)) + .flat_map(|(base_feature, _, _)| { + // Expand the direct base feature into all transitively-implied features. Note that we + // cannot simply use the `implied` field of the tuple since that only contains + // directly-implied features. + // + // Iteration order is irrelevant because we're collecting into an `UnordSet`. + #[allow(rustc::potential_query_instability)] + sess.target.implied_target_features(base_feature).into_iter().map(|f| Symbol::intern(f)) + }) .collect(); // Add enabled and remove disabled features. diff --git a/compiler/rustc_const_eval/src/lib.rs b/compiler/rustc_const_eval/src/lib.rs index 3840cdf7575..8ace560d85d 100644 --- a/compiler/rustc_const_eval/src/lib.rs +++ b/compiler/rustc_const_eval/src/lib.rs @@ -1,6 +1,7 @@ // tidy-alphabetical-start #![allow(internal_features)] #![allow(rustc::diagnostic_outside_of_impl)] +#![cfg_attr(bootstrap, feature(strict_overflow_ops))] #![doc(rust_logo)] #![feature(array_try_map)] #![feature(assert_matches)] @@ -10,7 +11,6 @@ #![feature(never_type)] #![feature(rustdoc_internals)] #![feature(slice_ptr_get)] -#![feature(strict_overflow_ops)] #![feature(trait_alias)] #![feature(try_blocks)] #![feature(unqualified_local_imports)] diff --git a/compiler/rustc_const_eval/src/util/type_name.rs b/compiler/rustc_const_eval/src/util/type_name.rs index e6b9759819f..2dc746754f8 100644 --- a/compiler/rustc_const_eval/src/util/type_name.rs +++ b/compiler/rustc_const_eval/src/util/type_name.rs @@ -18,7 +18,9 @@ impl<'tcx> Printer<'tcx> for AbsolutePathPrinter<'tcx> { } fn print_region(&mut self, _region: ty::Region<'_>) -> Result<(), PrintError> { - unreachable!(); // because `<Self As PrettyPrinter>::should_print_region` returns false + // This is reachable (via `pretty_print_dyn_existential`) even though + // `<Self As PrettyPrinter>::should_print_region` returns false. See #144994. + Ok(()) } fn print_type(&mut self, ty: Ty<'tcx>) -> Result<(), PrintError> { diff --git a/compiler/rustc_feature/src/removed.rs b/compiler/rustc_feature/src/removed.rs index 4eee79a2a71..04f261ada06 100644 --- a/compiler/rustc_feature/src/removed.rs +++ b/compiler/rustc_feature/src/removed.rs @@ -54,7 +54,7 @@ declare_features! ( /// Allows using the `amdgpu-kernel` ABI. (removed, abi_amdgpu_kernel, "1.77.0", Some(51575), None, 120495), - (removed, abi_c_cmse_nonsecure_call, "CURRENT_RUSTC_VERSION", Some(81391), Some("renamed to abi_cmse_nonsecure_call"), 142146), + (removed, abi_c_cmse_nonsecure_call, "1.90.0", Some(81391), Some("renamed to abi_cmse_nonsecure_call"), 142146), (removed, advanced_slice_patterns, "1.42.0", Some(62254), Some("merged into `#![feature(slice_patterns)]`"), 67712), (removed, allocator, "1.0.0", None, None), @@ -300,7 +300,7 @@ declare_features! ( // FIXME(#141617): we should have a better way to track removed library features, but we reuse // the infrastructure here so users still get hints. The symbols used here can be remove from // `symbol.rs` when that happens. - (removed, concat_idents, "CURRENT_RUSTC_VERSION", Some(29599), + (removed, concat_idents, "1.90.0", Some(29599), Some("use the `${concat(..)}` metavariable expression instead"), 142704), // ------------------------------------------------------------------------- // feature-group-end: removed library features diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs index 1303b3317e0..ca71bcebfdd 100644 --- a/compiler/rustc_feature/src/unstable.rs +++ b/compiler/rustc_feature/src/unstable.rs @@ -327,6 +327,7 @@ declare_features! ( (unstable, m68k_target_feature, "1.85.0", Some(134328)), (unstable, mips_target_feature, "1.27.0", Some(44839)), (unstable, movrs_target_feature, "1.88.0", Some(137976)), + (unstable, nvptx_target_feature, "CURRENT_RUSTC_VERSION", Some(44839)), (unstable, powerpc_target_feature, "1.27.0", Some(44839)), (unstable, prfchw_target_feature, "1.78.0", Some(44839)), (unstable, riscv_target_feature, "1.45.0", Some(44839)), @@ -352,7 +353,7 @@ declare_features! ( /// Allows `extern "avr-interrupt" fn()` and `extern "avr-non-blocking-interrupt" fn()`. (unstable, abi_avr_interrupt, "1.45.0", Some(69664)), /// Allows `extern "cmse-nonsecure-call" fn()`. - (unstable, abi_cmse_nonsecure_call, "CURRENT_RUSTC_VERSION", Some(81391)), + (unstable, abi_cmse_nonsecure_call, "1.90.0", Some(81391)), /// Allows `extern "custom" fn()`. (unstable, abi_custom, "1.89.0", Some(140829)), /// Allows `extern "gpu-kernel" fn()`. @@ -552,7 +553,7 @@ declare_features! ( /// to pass custom arguments to the linker. (unstable, link_arg_attribute, "1.76.0", Some(99427)), /// Allows fused `loop`/`match` for direct intraprocedural jumps. - (incomplete, loop_match, "CURRENT_RUSTC_VERSION", Some(132306)), + (incomplete, loop_match, "1.90.0", Some(132306)), /// Give access to additional metadata about declarative macro meta-variables. (unstable, macro_metavar_expr, "1.61.0", Some(83527)), /// Provides a way to concatenate identifiers using metavariable expressions. diff --git a/compiler/rustc_hir/src/attrs/data_structures.rs b/compiler/rustc_hir/src/attrs/data_structures.rs index 80618422b56..5f419315467 100644 --- a/compiler/rustc_hir/src/attrs/data_structures.rs +++ b/compiler/rustc_hir/src/attrs/data_structures.rs @@ -297,6 +297,9 @@ pub enum AttributeKind { /// Represents `#[const_trait]`. ConstTrait(Span), + /// Represents `#[coroutine]`. + Coroutine(Span), + /// Represents `#[coverage(..)]`. Coverage(Span, CoverageAttrKind), @@ -433,6 +436,9 @@ pub enum AttributeKind { /// Represents `#[rustc_object_lifetime_default]`. RustcObjectLifetimeDefault, + /// Represents `#[should_panic]` + ShouldPanic { reason: Option<Symbol>, span: Span }, + /// Represents `#[rustc_skip_during_method_dispatch]`. SkipDuringMethodDispatch { array: bool, boxed_slice: bool, span: Span }, diff --git a/compiler/rustc_hir/src/attrs/encode_cross_crate.rs b/compiler/rustc_hir/src/attrs/encode_cross_crate.rs index 9644a597a31..e3a7f0b97a8 100644 --- a/compiler/rustc_hir/src/attrs/encode_cross_crate.rs +++ b/compiler/rustc_hir/src/attrs/encode_cross_crate.rs @@ -28,6 +28,7 @@ impl AttributeKind { ConstStability { .. } => Yes, ConstStabilityIndirect => No, ConstTrait(..) => No, + Coroutine(..) => No, Coverage(..) => No, DenyExplicitImpl(..) => No, Deprecation { .. } => Yes, @@ -69,6 +70,7 @@ impl AttributeKind { RustcLayoutScalarValidRangeEnd(..) => Yes, RustcLayoutScalarValidRangeStart(..) => Yes, RustcObjectLifetimeDefault => No, + ShouldPanic { .. } => No, SkipDuringMethodDispatch { .. } => No, SpecializationTrait(..) => No, Stability { .. } => Yes, diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs index c30c830f9af..34db6f92d92 100644 --- a/compiler/rustc_hir/src/hir.rs +++ b/compiler/rustc_hir/src/hir.rs @@ -1308,6 +1308,7 @@ impl AttributeExt for Attribute { Attribute::Parsed(AttributeKind::MacroUse { span, .. }) => *span, Attribute::Parsed(AttributeKind::MayDangle(span)) => *span, Attribute::Parsed(AttributeKind::Ignore { span, .. }) => *span, + Attribute::Parsed(AttributeKind::ShouldPanic { span, .. }) => *span, Attribute::Parsed(AttributeKind::AutomaticallyDerived(span)) => *span, a => panic!("can't get the span of an arbitrary parsed attribute: {a:?}"), } diff --git a/compiler/rustc_hir_analysis/src/collect/generics_of.rs b/compiler/rustc_hir_analysis/src/collect/generics_of.rs index e2462c2d465..ce0e51f106f 100644 --- a/compiler/rustc_hir_analysis/src/collect/generics_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/generics_of.rs @@ -223,60 +223,27 @@ pub(super) fn generics_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Generics { "synthetic HIR should have its `generics_of` explicitly fed" ), - _ => span_bug!(tcx.def_span(def_id), "unhandled node {node:?}"), + _ => span_bug!(tcx.def_span(def_id), "generics_of: unexpected node kind {node:?}"), }; - enum Defaults { - Allowed, - // See #36887 - FutureCompatDisallowed, - Deny, - } - - let hir_generics = node.generics().unwrap_or(hir::Generics::empty()); - let (opt_self, allow_defaults) = match node { - Node::Item(item) => { - match item.kind { - ItemKind::Trait(..) | ItemKind::TraitAlias(..) => { - // Add in the self type parameter. - // - // Something of a hack: use the node id for the trait, also as - // the node id for the Self type parameter. - let opt_self = Some(ty::GenericParamDef { - index: 0, - name: kw::SelfUpper, - def_id: def_id.to_def_id(), - pure_wrt_drop: false, - kind: ty::GenericParamDefKind::Type { - has_default: false, - synthetic: false, - }, - }); - - (opt_self, Defaults::Allowed) - } - ItemKind::TyAlias(..) - | ItemKind::Enum(..) - | ItemKind::Struct(..) - | ItemKind::Union(..) => (None, Defaults::Allowed), - ItemKind::Const(..) => (None, Defaults::Deny), - _ => (None, Defaults::FutureCompatDisallowed), - } - } - - Node::OpaqueTy(..) => (None, Defaults::Allowed), - - // GATs - Node::TraitItem(item) if matches!(item.kind, TraitItemKind::Type(..)) => { - (None, Defaults::Deny) - } - Node::ImplItem(item) if matches!(item.kind, ImplItemKind::Type(..)) => { - (None, Defaults::Deny) - } - - _ => (None, Defaults::FutureCompatDisallowed), + // Add in the self type parameter. + let opt_self = if let Node::Item(item) = node + && let ItemKind::Trait(..) | ItemKind::TraitAlias(..) = item.kind + { + // Something of a hack: We reuse the node ID of the trait for the self type parameter. + Some(ty::GenericParamDef { + index: 0, + name: kw::SelfUpper, + def_id: def_id.to_def_id(), + pure_wrt_drop: false, + kind: ty::GenericParamDefKind::Type { has_default: false, synthetic: false }, + }) + } else { + None }; + let param_default_policy = param_default_policy(node); + let hir_generics = node.generics().unwrap_or(hir::Generics::empty()); let has_self = opt_self.is_some(); let mut parent_has_self = false; let mut own_start = has_self as u32; @@ -312,60 +279,53 @@ pub(super) fn generics_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Generics { prev + type_start }; - const TYPE_DEFAULT_NOT_ALLOWED: &'static str = "defaults for type parameters are only allowed in \ - `struct`, `enum`, `type`, or `trait` definitions"; - - own_params.extend(hir_generics.params.iter().filter_map(|param| match param.kind { - GenericParamKind::Lifetime { .. } => None, - GenericParamKind::Type { default, synthetic, .. } => { - if default.is_some() { - match allow_defaults { - Defaults::Allowed => {} - Defaults::FutureCompatDisallowed => { - tcx.node_span_lint( - lint::builtin::INVALID_TYPE_PARAM_DEFAULT, - param.hir_id, - param.span, - |lint| { - lint.primary_message(TYPE_DEFAULT_NOT_ALLOWED); - }, - ); - } - Defaults::Deny => { - tcx.dcx().span_err(param.span, TYPE_DEFAULT_NOT_ALLOWED); + own_params.extend(hir_generics.params.iter().filter_map(|param| { + const MESSAGE: &str = "defaults for generic parameters are not allowed here"; + let kind = match param.kind { + GenericParamKind::Lifetime { .. } => return None, + GenericParamKind::Type { default, synthetic } => { + if default.is_some() { + match param_default_policy.expect("no policy for generic param default") { + ParamDefaultPolicy::Allowed => {} + ParamDefaultPolicy::FutureCompatForbidden => { + tcx.node_span_lint( + lint::builtin::INVALID_TYPE_PARAM_DEFAULT, + param.hir_id, + param.span, + |lint| { + lint.primary_message(MESSAGE); + }, + ); + } + ParamDefaultPolicy::Forbidden => { + tcx.dcx().span_err(param.span, MESSAGE); + } } } - } - - let kind = ty::GenericParamDefKind::Type { has_default: default.is_some(), synthetic }; - Some(ty::GenericParamDef { - index: next_index(), - name: param.name.ident().name, - def_id: param.def_id.to_def_id(), - pure_wrt_drop: param.pure_wrt_drop, - kind, - }) - } - GenericParamKind::Const { ty: _, default, synthetic } => { - if !matches!(allow_defaults, Defaults::Allowed) && default.is_some() { - tcx.dcx().span_err( - param.span, - "defaults for const parameters are only allowed in \ - `struct`, `enum`, `type`, or `trait` definitions", - ); + ty::GenericParamDefKind::Type { has_default: default.is_some(), synthetic } } + GenericParamKind::Const { ty: _, default, synthetic } => { + if default.is_some() { + match param_default_policy.expect("no policy for generic param default") { + ParamDefaultPolicy::Allowed => {} + ParamDefaultPolicy::FutureCompatForbidden + | ParamDefaultPolicy::Forbidden => { + tcx.dcx().span_err(param.span, MESSAGE); + } + } + } - let index = next_index(); - - Some(ty::GenericParamDef { - index, - name: param.name.ident().name, - def_id: param.def_id.to_def_id(), - pure_wrt_drop: param.pure_wrt_drop, - kind: ty::GenericParamDefKind::Const { has_default: default.is_some(), synthetic }, - }) - } + ty::GenericParamDefKind::Const { has_default: default.is_some(), synthetic } + } + }; + Some(ty::GenericParamDef { + index: next_index(), + name: param.name.ident().name, + def_id: param.def_id.to_def_id(), + pure_wrt_drop: param.pure_wrt_drop, + kind, + }) })); // provide junk type parameter defs - the only place that @@ -438,6 +398,48 @@ pub(super) fn generics_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Generics { } } +#[derive(Clone, Copy)] +enum ParamDefaultPolicy { + Allowed, + /// Tracked in <https://github.com/rust-lang/rust/issues/36887>. + FutureCompatForbidden, + Forbidden, +} + +fn param_default_policy(node: Node<'_>) -> Option<ParamDefaultPolicy> { + use rustc_hir::*; + + Some(match node { + Node::Item(item) => match item.kind { + ItemKind::Trait(..) + | ItemKind::TraitAlias(..) + | ItemKind::TyAlias(..) + | ItemKind::Enum(..) + | ItemKind::Struct(..) + | ItemKind::Union(..) => ParamDefaultPolicy::Allowed, + ItemKind::Fn { .. } | ItemKind::Impl(_) => ParamDefaultPolicy::FutureCompatForbidden, + // Re. GCI, we're not bound by backward compatibility. + ItemKind::Const(..) => ParamDefaultPolicy::Forbidden, + _ => return None, + }, + Node::TraitItem(item) => match item.kind { + // Re. GATs and GACs (generic_const_items), we're not bound by backward compatibility. + TraitItemKind::Const(..) | TraitItemKind::Type(..) => ParamDefaultPolicy::Forbidden, + TraitItemKind::Fn(..) => ParamDefaultPolicy::FutureCompatForbidden, + }, + Node::ImplItem(item) => match item.kind { + // Re. GATs and GACs (generic_const_items), we're not bound by backward compatibility. + ImplItemKind::Const(..) | ImplItemKind::Type(..) => ParamDefaultPolicy::Forbidden, + ImplItemKind::Fn(..) => ParamDefaultPolicy::FutureCompatForbidden, + }, + // Generic params are (semantically) invalid on foreign items. Still, for maximum forward + // compatibility, let's hard-reject defaults on them. + Node::ForeignItem(_) => ParamDefaultPolicy::Forbidden, + Node::OpaqueTy(..) => ParamDefaultPolicy::Allowed, + _ => return None, + }) +} + fn has_late_bound_regions<'tcx>(tcx: TyCtxt<'tcx>, node: Node<'tcx>) -> Option<Span> { struct LateBoundRegionsDetector<'tcx> { tcx: TyCtxt<'tcx>, diff --git a/compiler/rustc_lint/src/lifetime_syntax.rs b/compiler/rustc_lint/src/lifetime_syntax.rs index 2a5a34cdc6e..464f4fc34b9 100644 --- a/compiler/rustc_lint/src/lifetime_syntax.rs +++ b/compiler/rustc_lint/src/lifetime_syntax.rs @@ -434,7 +434,7 @@ fn emit_mismatch_diagnostic<'tcx>( lints::MismatchedLifetimeSyntaxesSuggestion::Mixed { implicit_suggestions, explicit_anonymous_suggestions, - tool_only: false, + optional_alternative: false, } }); @@ -455,7 +455,10 @@ fn emit_mismatch_diagnostic<'tcx>( let implicit_suggestion = should_suggest_implicit.then(|| { let suggestions = make_implicit_suggestions(&suggest_change_to_implicit); - lints::MismatchedLifetimeSyntaxesSuggestion::Implicit { suggestions, tool_only: false } + lints::MismatchedLifetimeSyntaxesSuggestion::Implicit { + suggestions, + optional_alternative: false, + } }); tracing::debug!( @@ -508,7 +511,7 @@ fn build_mismatch_suggestion( lints::MismatchedLifetimeSyntaxesSuggestion::Explicit { lifetime_name, suggestions, - tool_only: false, + optional_alternative: false, } } diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index ef63c0dee8c..ac6147b1631 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -3292,7 +3292,7 @@ impl<'a, G: EmissionGuarantee> LintDiagnostic<'a, G> for MismatchedLifetimeSynta diag.subdiagnostic(s); for mut s in suggestions { - s.make_tool_only(); + s.make_optional_alternative(); diag.subdiagnostic(s); } } @@ -3303,33 +3303,33 @@ impl<'a, G: EmissionGuarantee> LintDiagnostic<'a, G> for MismatchedLifetimeSynta pub(crate) enum MismatchedLifetimeSyntaxesSuggestion { Implicit { suggestions: Vec<Span>, - tool_only: bool, + optional_alternative: bool, }, Mixed { implicit_suggestions: Vec<Span>, explicit_anonymous_suggestions: Vec<(Span, String)>, - tool_only: bool, + optional_alternative: bool, }, Explicit { lifetime_name: String, suggestions: Vec<(Span, String)>, - tool_only: bool, + optional_alternative: bool, }, } impl MismatchedLifetimeSyntaxesSuggestion { - fn make_tool_only(&mut self) { + fn make_optional_alternative(&mut self) { use MismatchedLifetimeSyntaxesSuggestion::*; - let tool_only = match self { - Implicit { tool_only, .. } | Mixed { tool_only, .. } | Explicit { tool_only, .. } => { - tool_only - } + let optional_alternative = match self { + Implicit { optional_alternative, .. } + | Mixed { optional_alternative, .. } + | Explicit { optional_alternative, .. } => optional_alternative, }; - *tool_only = true; + *optional_alternative = true; } } @@ -3337,22 +3337,40 @@ impl Subdiagnostic for MismatchedLifetimeSyntaxesSuggestion { fn add_to_diag<G: EmissionGuarantee>(self, diag: &mut Diag<'_, G>) { use MismatchedLifetimeSyntaxesSuggestion::*; - let style = |tool_only| { - if tool_only { SuggestionStyle::CompletelyHidden } else { SuggestionStyle::ShowAlways } + let style = |optional_alternative| { + if optional_alternative { + SuggestionStyle::CompletelyHidden + } else { + SuggestionStyle::ShowAlways + } + }; + + let applicability = |optional_alternative| { + // `cargo fix` can't handle more than one fix for the same issue, + // so hide alternative suggestions from it by marking them as maybe-incorrect + if optional_alternative { + Applicability::MaybeIncorrect + } else { + Applicability::MachineApplicable + } }; match self { - Implicit { suggestions, tool_only } => { + Implicit { suggestions, optional_alternative } => { let suggestions = suggestions.into_iter().map(|s| (s, String::new())).collect(); diag.multipart_suggestion_with_style( fluent::lint_mismatched_lifetime_syntaxes_suggestion_implicit, suggestions, - Applicability::MaybeIncorrect, - style(tool_only), + applicability(optional_alternative), + style(optional_alternative), ); } - Mixed { implicit_suggestions, explicit_anonymous_suggestions, tool_only } => { + Mixed { + implicit_suggestions, + explicit_anonymous_suggestions, + optional_alternative, + } => { let message = if implicit_suggestions.is_empty() { fluent::lint_mismatched_lifetime_syntaxes_suggestion_mixed_only_paths } else { @@ -3368,12 +3386,12 @@ impl Subdiagnostic for MismatchedLifetimeSyntaxesSuggestion { diag.multipart_suggestion_with_style( message, suggestions, - Applicability::MaybeIncorrect, - style(tool_only), + applicability(optional_alternative), + style(optional_alternative), ); } - Explicit { lifetime_name, suggestions, tool_only } => { + Explicit { lifetime_name, suggestions, optional_alternative } => { diag.arg("lifetime_name", lifetime_name); let msg = diag.eagerly_translate( fluent::lint_mismatched_lifetime_syntaxes_suggestion_explicit, @@ -3382,8 +3400,8 @@ impl Subdiagnostic for MismatchedLifetimeSyntaxesSuggestion { diag.multipart_suggestion_with_style( msg, suggestions, - Applicability::MaybeIncorrect, - style(tool_only), + applicability(optional_alternative), + style(optional_alternative), ); } } diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index 3b84c6b6110..e660b950262 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -2156,6 +2156,7 @@ declare_lint! { @future_incompatible = FutureIncompatibleInfo { reason: FutureIncompatibilityReason::FutureReleaseError, reference: "issue #52234 <https://github.com/rust-lang/rust/issues/52234>", + report_in_deps: true, }; crate_level_only } @@ -2839,7 +2840,7 @@ declare_lint! { /// [issue #79813]: https://github.com/rust-lang/rust/issues/79813 /// [future-incompatible]: ../index.md#future-incompatible-lints pub SEMICOLON_IN_EXPRESSIONS_FROM_MACROS, - Warn, + Deny, "trailing semicolon in macro body used as expression", @future_incompatible = FutureIncompatibleInfo { reason: FutureIncompatibilityReason::FutureReleaseError, @@ -2887,11 +2888,12 @@ declare_lint! { /// struct S { /* fields */ } /// ``` pub LEGACY_DERIVE_HELPERS, - Warn, + Deny, "detects derive helper attributes that are used before they are introduced", @future_incompatible = FutureIncompatibleInfo { reason: FutureIncompatibilityReason::FutureReleaseError, reference: "issue #79202 <https://github.com/rust-lang/rust/issues/79202>", + report_in_deps: true, }; } @@ -4624,11 +4626,12 @@ declare_lint! { /// /// [future-incompatible]: ../index.md#future-incompatible-lints pub PRIVATE_MACRO_USE, - Warn, + Deny, "detects certain macro bindings that should not be re-exported", @future_incompatible = FutureIncompatibleInfo { reason: FutureIncompatibilityReason::FutureReleaseError, reference: "issue #120192 <https://github.com/rust-lang/rust/issues/120192>", + report_in_deps: true, }; } @@ -4828,7 +4831,7 @@ declare_lint! { /// /// ### Example /// - /// ```rust + /// ```rust,compile_fail /// #![doc = in_root!()] /// /// macro_rules! in_root { () => { "" } } @@ -4853,11 +4856,12 @@ declare_lint! { /// /// [future-incompatible]: ../index.md#future-incompatible-lints pub OUT_OF_SCOPE_MACRO_CALLS, - Warn, + Deny, "detects out of scope calls to `macro_rules` in key-value attributes", @future_incompatible = FutureIncompatibleInfo { reason: FutureIncompatibilityReason::FutureReleaseError, reference: "issue #124535 <https://github.com/rust-lang/rust/issues/124535>", + report_in_deps: true, }; } diff --git a/compiler/rustc_middle/messages.ftl b/compiler/rustc_middle/messages.ftl index 69aa4383f13..69adb2fe391 100644 --- a/compiler/rustc_middle/messages.ftl +++ b/compiler/rustc_middle/messages.ftl @@ -122,8 +122,6 @@ middle_strict_coherence_needs_negative_coherence = to use `strict_coherence` on this trait, the `with_negative_coherence` feature must be enabled .label = due to this attribute -middle_type_length_limit = reached the type-length limit while instantiating `{$shrunk}` +middle_type_length_limit = reached the type-length limit while instantiating `{$instance}` middle_unsupported_union = we don't support unions yet: '{$ty_name}' - -middle_written_to_path = the full type name has been written to '{$path}' diff --git a/compiler/rustc_middle/src/error.rs b/compiler/rustc_middle/src/error.rs index f36ae831653..7520bc262c6 100644 --- a/compiler/rustc_middle/src/error.rs +++ b/compiler/rustc_middle/src/error.rs @@ -1,4 +1,4 @@ -use std::path::{Path, PathBuf}; +use std::path::Path; use std::{fmt, io}; use rustc_errors::codes::*; @@ -6,7 +6,7 @@ use rustc_errors::{DiagArgName, DiagArgValue, DiagMessage}; use rustc_macros::{Diagnostic, Subdiagnostic}; use rustc_span::{Span, Symbol}; -use crate::ty::Ty; +use crate::ty::{Instance, Ty}; #[derive(Diagnostic)] #[diag(middle_drop_check_overflow, code = E0320)] @@ -161,13 +161,10 @@ pub(crate) struct ErroneousConstant { #[derive(Diagnostic)] #[diag(middle_type_length_limit)] #[help(middle_consider_type_length_limit)] -pub(crate) struct TypeLengthLimit { +pub(crate) struct TypeLengthLimit<'tcx> { #[primary_span] pub span: Span, - pub shrunk: String, - #[note(middle_written_to_path)] - pub was_written: bool, - pub path: PathBuf, + pub instance: Instance<'tcx>, pub type_length: usize, } diff --git a/compiler/rustc_middle/src/mir/visit.rs b/compiler/rustc_middle/src/mir/visit.rs index 929ebe1aee1..42a68b29ec7 100644 --- a/compiler/rustc_middle/src/mir/visit.rs +++ b/compiler/rustc_middle/src/mir/visit.rs @@ -1205,18 +1205,19 @@ macro_rules! visit_place_fns { self.super_projection_elem(place_ref, elem, context, location); } - fn super_place(&mut self, place: &Place<'tcx>, context: PlaceContext, location: Location) { - let mut context = context; - - if !place.projection.is_empty() { - if context.is_use() { - // ^ Only change the context if it is a real use, not a "use" in debuginfo. - context = if context.is_mutating_use() { - PlaceContext::MutatingUse(MutatingUseContext::Projection) - } else { - PlaceContext::NonMutatingUse(NonMutatingUseContext::Projection) - }; - } + fn super_place( + &mut self, + place: &Place<'tcx>, + mut context: PlaceContext, + location: Location, + ) { + if !place.projection.is_empty() && context.is_use() { + // ^ Only change the context if it is a real use, not a "use" in debuginfo. + context = if context.is_mutating_use() { + PlaceContext::MutatingUse(MutatingUseContext::Projection) + } else { + PlaceContext::NonMutatingUse(NonMutatingUseContext::Projection) + }; } self.visit_local(place.local, context, location); @@ -1239,7 +1240,7 @@ macro_rules! visit_place_fns { &mut self, _place_ref: PlaceRef<'tcx>, elem: PlaceElem<'tcx>, - _context: PlaceContext, + context: PlaceContext, location: Location, ) { match elem { @@ -1252,7 +1253,12 @@ macro_rules! visit_place_fns { ProjectionElem::Index(local) => { self.visit_local( local, - PlaceContext::NonMutatingUse(NonMutatingUseContext::Copy), + if context.is_use() { + // ^ Only change the context if it is a real use, not a "use" in debuginfo. + PlaceContext::NonMutatingUse(NonMutatingUseContext::Copy) + } else { + context + }, location, ); } diff --git a/compiler/rustc_middle/src/ty/diagnostics.rs b/compiler/rustc_middle/src/ty/diagnostics.rs index b122ada0925..b3042904a29 100644 --- a/compiler/rustc_middle/src/ty/diagnostics.rs +++ b/compiler/rustc_middle/src/ty/diagnostics.rs @@ -7,14 +7,14 @@ use rustc_data_structures::fx::FxIndexMap; use rustc_errors::{ Applicability, Diag, DiagArgValue, IntoDiagArg, into_diag_arg_using_display, listify, pluralize, }; -use rustc_hir::def::DefKind; +use rustc_hir::def::{DefKind, Namespace}; use rustc_hir::def_id::DefId; use rustc_hir::{self as hir, AmbigArg, LangItem, PredicateOrigin, WherePredicateKind}; use rustc_span::{BytePos, Span}; use rustc_type_ir::TyKind::*; use crate::ty::{ - self, AliasTy, Const, ConstKind, FallibleTypeFolder, InferConst, InferTy, Opaque, + self, AliasTy, Const, ConstKind, FallibleTypeFolder, InferConst, InferTy, Instance, Opaque, PolyTraitPredicate, Projection, Ty, TyCtxt, TypeFoldable, TypeSuperFoldable, TypeSuperVisitable, TypeVisitable, TypeVisitor, }; @@ -28,6 +28,15 @@ impl IntoDiagArg for Ty<'_> { } } +impl IntoDiagArg for Instance<'_> { + fn into_diag_arg(self, path: &mut Option<std::path::PathBuf>) -> rustc_errors::DiagArgValue { + ty::tls::with(|tcx| { + let instance = tcx.short_string_namespace(self, path, Namespace::ValueNS); + rustc_errors::DiagArgValue::Str(std::borrow::Cow::Owned(instance)) + }) + } +} + into_diag_arg_using_display! { ty::Region<'_>, } diff --git a/compiler/rustc_middle/src/ty/error.rs b/compiler/rustc_middle/src/ty/error.rs index c24dc983d21..3f854038651 100644 --- a/compiler/rustc_middle/src/ty/error.rs +++ b/compiler/rustc_middle/src/ty/error.rs @@ -160,7 +160,11 @@ impl<'tcx> Ty<'tcx> { _ => { let width = tcx.sess.diagnostic_width(); let length_limit = std::cmp::max(width / 4, 40); - format!("`{}`", tcx.string_with_limit(self, length_limit)).into() + format!( + "`{}`", + tcx.string_with_limit(self, length_limit, hir::def::Namespace::TypeNS) + ) + .into() } } } @@ -213,12 +217,12 @@ impl<'tcx> Ty<'tcx> { } impl<'tcx> TyCtxt<'tcx> { - pub fn string_with_limit<T>(self, t: T, length_limit: usize) -> String + pub fn string_with_limit<T>(self, t: T, length_limit: usize, ns: hir::def::Namespace) -> String where T: Copy + for<'a, 'b> Lift<TyCtxt<'b>, Lifted: Print<'b, FmtPrinter<'a, 'b>>>, { let mut type_limit = 50; - let regular = FmtPrinter::print_string(self, hir::def::Namespace::TypeNS, |p| { + let regular = FmtPrinter::print_string(self, ns, |p| { self.lift(t).expect("could not lift for printing").print(p) }) .expect("could not write to `String`"); @@ -229,11 +233,7 @@ impl<'tcx> TyCtxt<'tcx> { loop { // Look for the longest properly trimmed path that still fits in length_limit. short = with_forced_trimmed_paths!({ - let mut p = FmtPrinter::new_with_limit( - self, - hir::def::Namespace::TypeNS, - rustc_session::Limit(type_limit), - ); + let mut p = FmtPrinter::new_with_limit(self, ns, rustc_session::Limit(type_limit)); self.lift(t) .expect("could not lift for printing") .print(&mut p) @@ -251,12 +251,28 @@ impl<'tcx> TyCtxt<'tcx> { /// When calling this after a `Diag` is constructed, the preferred way of doing so is /// `tcx.short_string(ty, diag.long_ty_path())`. The diagnostic itself is the one that keeps /// the existence of a "long type" anywhere in the diagnostic, so the note telling the user - /// where we wrote the file to is only printed once. + /// where we wrote the file to is only printed once. The path will use the type namespace. pub fn short_string<T>(self, t: T, path: &mut Option<PathBuf>) -> String where T: Copy + Hash + for<'a, 'b> Lift<TyCtxt<'b>, Lifted: Print<'b, FmtPrinter<'a, 'b>>>, { - let regular = FmtPrinter::print_string(self, hir::def::Namespace::TypeNS, |p| { + self.short_string_namespace(t, path, hir::def::Namespace::TypeNS) + } + + /// When calling this after a `Diag` is constructed, the preferred way of doing so is + /// `tcx.short_string(ty, diag.long_ty_path())`. The diagnostic itself is the one that keeps + /// the existence of a "long type" anywhere in the diagnostic, so the note telling the user + /// where we wrote the file to is only printed once. + pub fn short_string_namespace<T>( + self, + t: T, + path: &mut Option<PathBuf>, + namespace: hir::def::Namespace, + ) -> String + where + T: Copy + Hash + for<'a, 'b> Lift<TyCtxt<'b>, Lifted: Print<'b, FmtPrinter<'a, 'b>>>, + { + let regular = FmtPrinter::print_string(self, namespace, |p| { self.lift(t).expect("could not lift for printing").print(p) }) .expect("could not write to `String`"); @@ -270,7 +286,7 @@ impl<'tcx> TyCtxt<'tcx> { if regular.len() <= width * 2 / 3 { return regular; } - let short = self.string_with_limit(t, length_limit); + let short = self.string_with_limit(t, length_limit, namespace); if regular == short { return regular; } diff --git a/compiler/rustc_middle/src/ty/instance.rs b/compiler/rustc_middle/src/ty/instance.rs index 16873b6ee21..3a51f79f121 100644 --- a/compiler/rustc_middle/src/ty/instance.rs +++ b/compiler/rustc_middle/src/ty/instance.rs @@ -1,6 +1,5 @@ use std::assert_matches::assert_matches; use std::fmt; -use std::path::PathBuf; use rustc_data_structures::fx::FxHashMap; use rustc_errors::ErrorGuaranteed; @@ -17,7 +16,7 @@ use tracing::{debug, instrument}; use crate::error; use crate::middle::codegen_fn_attrs::CodegenFnAttrFlags; use crate::ty::normalize_erasing_regions::NormalizationError; -use crate::ty::print::{FmtPrinter, Printer, shrunk_instance_name}; +use crate::ty::print::{FmtPrinter, Print}; use crate::ty::{ self, EarlyBinder, GenericArgs, GenericArgsRef, Ty, TyCtxt, TypeFoldable, TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor, @@ -389,59 +388,15 @@ fn type_length<'tcx>(item: impl TypeVisitable<TyCtxt<'tcx>>) -> usize { visitor.type_length } -pub fn fmt_instance( - f: &mut fmt::Formatter<'_>, - instance: Instance<'_>, - type_length: Option<rustc_session::Limit>, -) -> fmt::Result { - ty::tls::with(|tcx| { - let args = tcx.lift(instance.args).expect("could not lift for printing"); - - let mut p = if let Some(type_length) = type_length { - FmtPrinter::new_with_limit(tcx, Namespace::ValueNS, type_length) - } else { - FmtPrinter::new(tcx, Namespace::ValueNS) - }; - p.print_def_path(instance.def_id(), args)?; - let s = p.into_buffer(); - f.write_str(&s) - })?; - - match instance.def { - InstanceKind::Item(_) => Ok(()), - InstanceKind::VTableShim(_) => write!(f, " - shim(vtable)"), - InstanceKind::ReifyShim(_, None) => write!(f, " - shim(reify)"), - InstanceKind::ReifyShim(_, Some(ReifyReason::FnPtr)) => write!(f, " - shim(reify-fnptr)"), - InstanceKind::ReifyShim(_, Some(ReifyReason::Vtable)) => write!(f, " - shim(reify-vtable)"), - InstanceKind::ThreadLocalShim(_) => write!(f, " - shim(tls)"), - InstanceKind::Intrinsic(_) => write!(f, " - intrinsic"), - InstanceKind::Virtual(_, num) => write!(f, " - virtual#{num}"), - InstanceKind::FnPtrShim(_, ty) => write!(f, " - shim({ty})"), - InstanceKind::ClosureOnceShim { .. } => write!(f, " - shim"), - InstanceKind::ConstructCoroutineInClosureShim { .. } => write!(f, " - shim"), - InstanceKind::DropGlue(_, None) => write!(f, " - shim(None)"), - InstanceKind::DropGlue(_, Some(ty)) => write!(f, " - shim(Some({ty}))"), - InstanceKind::CloneShim(_, ty) => write!(f, " - shim({ty})"), - InstanceKind::FnPtrAddrShim(_, ty) => write!(f, " - shim({ty})"), - InstanceKind::FutureDropPollShim(_, proxy_ty, impl_ty) => { - write!(f, " - dropshim({proxy_ty}-{impl_ty})") - } - InstanceKind::AsyncDropGlue(_, ty) => write!(f, " - shim({ty})"), - InstanceKind::AsyncDropGlueCtorShim(_, ty) => write!(f, " - shim(Some({ty}))"), - } -} - -pub struct ShortInstance<'tcx>(pub Instance<'tcx>, pub usize); - -impl<'tcx> fmt::Display for ShortInstance<'tcx> { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - fmt_instance(f, self.0, Some(rustc_session::Limit(self.1))) - } -} - impl<'tcx> fmt::Display for Instance<'tcx> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - fmt_instance(f, *self, None) + ty::tls::with(|tcx| { + let mut p = FmtPrinter::new(tcx, Namespace::ValueNS); + let instance = tcx.lift(*self).expect("could not lift for printing"); + instance.print(&mut p)?; + let s = p.into_buffer(); + f.write_str(&s) + }) } } @@ -610,23 +565,12 @@ impl<'tcx> Instance<'tcx> { Ok(None) => { let type_length = type_length(args); if !tcx.type_length_limit().value_within_limit(type_length) { - let (shrunk, written_to_path) = - shrunk_instance_name(tcx, Instance::new_raw(def_id, args)); - let mut path = PathBuf::new(); - let was_written = if let Some(path2) = written_to_path { - path = path2; - true - } else { - false - }; tcx.dcx().emit_fatal(error::TypeLengthLimit { // We don't use `def_span(def_id)` so that diagnostics point // to the crate root during mono instead of to foreign items. // This is arguably better. span: span_or_local_def_span(), - shrunk, - was_written, - path, + instance: Instance::new_raw(def_id, args), type_length, }); } else { diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index 0deb2482c6f..8c0277055cd 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -82,7 +82,7 @@ pub use self::context::{ TyCtxtFeed, tls, }; pub use self::fold::*; -pub use self::instance::{Instance, InstanceKind, ReifyReason, ShortInstance, UnusedGenericParams}; +pub use self::instance::{Instance, InstanceKind, ReifyReason, UnusedGenericParams}; pub use self::list::{List, ListWithCachedTypeInfo}; pub use self::opaque_types::OpaqueTypeKey; pub use self::pattern::{Pattern, PatternKind}; diff --git a/compiler/rustc_middle/src/ty/print/mod.rs b/compiler/rustc_middle/src/ty/print/mod.rs index 8a125c7fe28..efa017074db 100644 --- a/compiler/rustc_middle/src/ty/print/mod.rs +++ b/compiler/rustc_middle/src/ty/print/mod.rs @@ -1,5 +1,3 @@ -use std::path::PathBuf; - use hir::def::Namespace; use rustc_data_structures::fx::FxHashSet; use rustc_data_structures::sso::SsoHashSet; @@ -8,7 +6,7 @@ use rustc_hir::def_id::{CrateNum, DefId, LocalDefId}; use rustc_hir::definitions::{DefPathData, DisambiguatedDefPathData}; use tracing::{debug, instrument, trace}; -use crate::ty::{self, GenericArg, ShortInstance, Ty, TyCtxt}; +use crate::ty::{self, GenericArg, Ty, TyCtxt}; // `pretty` is a separate module only for organization. mod pretty; @@ -317,6 +315,43 @@ impl<'tcx, P: Printer<'tcx>> Print<'tcx, P> for Ty<'tcx> { } } +impl<'tcx, P: Printer<'tcx> + std::fmt::Write> Print<'tcx, P> for ty::Instance<'tcx> { + fn print(&self, cx: &mut P) -> Result<(), PrintError> { + cx.print_def_path(self.def_id(), self.args)?; + match self.def { + ty::InstanceKind::Item(_) => {} + ty::InstanceKind::VTableShim(_) => cx.write_str(" - shim(vtable)")?, + ty::InstanceKind::ReifyShim(_, None) => cx.write_str(" - shim(reify)")?, + ty::InstanceKind::ReifyShim(_, Some(ty::ReifyReason::FnPtr)) => { + cx.write_str(" - shim(reify-fnptr)")? + } + ty::InstanceKind::ReifyShim(_, Some(ty::ReifyReason::Vtable)) => { + cx.write_str(" - shim(reify-vtable)")? + } + ty::InstanceKind::ThreadLocalShim(_) => cx.write_str(" - shim(tls)")?, + ty::InstanceKind::Intrinsic(_) => cx.write_str(" - intrinsic")?, + ty::InstanceKind::Virtual(_, num) => cx.write_str(&format!(" - virtual#{num}"))?, + ty::InstanceKind::FnPtrShim(_, ty) => cx.write_str(&format!(" - shim({ty})"))?, + ty::InstanceKind::ClosureOnceShim { .. } => cx.write_str(" - shim")?, + ty::InstanceKind::ConstructCoroutineInClosureShim { .. } => cx.write_str(" - shim")?, + ty::InstanceKind::DropGlue(_, None) => cx.write_str(" - shim(None)")?, + ty::InstanceKind::DropGlue(_, Some(ty)) => { + cx.write_str(&format!(" - shim(Some({ty}))"))? + } + ty::InstanceKind::CloneShim(_, ty) => cx.write_str(&format!(" - shim({ty})"))?, + ty::InstanceKind::FnPtrAddrShim(_, ty) => cx.write_str(&format!(" - shim({ty})"))?, + ty::InstanceKind::FutureDropPollShim(_, proxy_ty, impl_ty) => { + cx.write_str(&format!(" - dropshim({proxy_ty}-{impl_ty})"))? + } + ty::InstanceKind::AsyncDropGlue(_, ty) => cx.write_str(&format!(" - shim({ty})"))?, + ty::InstanceKind::AsyncDropGlueCtorShim(_, ty) => { + cx.write_str(&format!(" - shim(Some({ty}))"))? + } + }; + Ok(()) + } +} + impl<'tcx, P: Printer<'tcx>> Print<'tcx, P> for &'tcx ty::List<ty::PolyExistentialPredicate<'tcx>> { fn print(&self, p: &mut P) -> Result<(), PrintError> { p.print_dyn_existential(self) @@ -356,31 +391,3 @@ where with_no_trimmed_paths!(Self::print(t, fmt)) } } - -/// Format instance name that is already known to be too long for rustc. -/// Show only the first 2 types if it is longer than 32 characters to avoid blasting -/// the user's terminal with thousands of lines of type-name. -/// -/// If the type name is longer than before+after, it will be written to a file. -pub fn shrunk_instance_name<'tcx>( - tcx: TyCtxt<'tcx>, - instance: ty::Instance<'tcx>, -) -> (String, Option<PathBuf>) { - let s = instance.to_string(); - - // Only use the shrunk version if it's really shorter. - // This also avoids the case where before and after slices overlap. - if s.chars().nth(33).is_some() { - let shrunk = format!("{}", ShortInstance(instance, 4)); - if shrunk == s { - return (s, None); - } - - let path = tcx.output_filenames(()).temp_path_for_diagnostic("long-type.txt"); - let written_to_path = std::fs::write(&path, s).ok().map(|_| path); - - (shrunk, written_to_path) - } else { - (s, None) - } -} diff --git a/compiler/rustc_mir_build/src/builder/block.rs b/compiler/rustc_mir_build/src/builder/block.rs index a71196f79d7..566d89f4269 100644 --- a/compiler/rustc_mir_build/src/builder/block.rs +++ b/compiler/rustc_mir_build/src/builder/block.rs @@ -6,7 +6,7 @@ use rustc_span::Span; use tracing::debug; use crate::builder::ForGuard::OutsideGuard; -use crate::builder::matches::{DeclareLetBindings, EmitStorageLive, ScheduleDrops}; +use crate::builder::matches::{DeclareLetBindings, ScheduleDrops}; use crate::builder::{BlockAnd, BlockAndExtension, BlockFrame, Builder}; impl<'a, 'tcx> Builder<'a, 'tcx> { @@ -199,15 +199,6 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { None, Some((Some(&destination), initializer_span)), ); - this.visit_primary_bindings(pattern, &mut |this, node, span| { - this.storage_live_binding( - block, - node, - span, - OutsideGuard, - ScheduleDrops::Yes, - ); - }); let else_block_span = this.thir[*else_block].span; let (matching, failure) = this.in_if_then_scope(last_remainder_scope, else_block_span, |this| { @@ -218,7 +209,6 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { None, initializer_span, DeclareLetBindings::No, - EmitStorageLive::No, ) }); matching.and(failure) diff --git a/compiler/rustc_mir_build/src/builder/matches/match_pair.rs b/compiler/rustc_mir_build/src/builder/matches/match_pair.rs index 3a7854a5e11..7a848536d0e 100644 --- a/compiler/rustc_mir_build/src/builder/matches/match_pair.rs +++ b/compiler/rustc_mir_build/src/builder/matches/match_pair.rs @@ -124,9 +124,19 @@ impl<'tcx> MatchPairTree<'tcx> { let test_case = match pattern.kind { PatKind::Missing | PatKind::Wild | PatKind::Error(_) => None, - PatKind::Or { ref pats } => Some(TestCase::Or { - pats: pats.iter().map(|pat| FlatPat::new(place_builder.clone(), pat, cx)).collect(), - }), + PatKind::Or { ref pats } => { + let pats: Box<[FlatPat<'tcx>]> = + pats.iter().map(|pat| FlatPat::new(place_builder.clone(), pat, cx)).collect(); + if !pats[0].extra_data.bindings.is_empty() { + // Hold a place for any bindings established in (possibly-nested) or-patterns. + // By only holding a place when bindings are present, we skip over any + // or-patterns that will be simplified by `merge_trivial_subcandidates`. In + // other words, we can assume this expands into subcandidates. + // FIXME(@dianne): this needs updating/removing if we always merge or-patterns + extra_data.bindings.push(super::SubpatternBindings::FromOrPattern); + } + Some(TestCase::Or { pats }) + } PatKind::Range(ref range) => { if range.is_full_range(cx.tcx) == Some(true) { @@ -194,12 +204,12 @@ impl<'tcx> MatchPairTree<'tcx> { // Then push this binding, after any bindings in the subpattern. if let Some(source) = place { - extra_data.bindings.push(super::Binding { + extra_data.bindings.push(super::SubpatternBindings::One(super::Binding { span: pattern.span, source, var_id: var, binding_mode: mode, - }); + })); } None diff --git a/compiler/rustc_mir_build/src/builder/matches/mod.rs b/compiler/rustc_mir_build/src/builder/matches/mod.rs index 9cdfb863330..7e25a173bf8 100644 --- a/compiler/rustc_mir_build/src/builder/matches/mod.rs +++ b/compiler/rustc_mir_build/src/builder/matches/mod.rs @@ -5,11 +5,11 @@ //! This also includes code for pattern bindings in `let` statements and //! function parameters. -use std::assert_matches::assert_matches; use std::borrow::Borrow; use std::mem; use std::sync::Arc; +use itertools::{Itertools, Position}; use rustc_abi::VariantIdx; use rustc_data_structures::fx::FxIndexMap; use rustc_data_structures::stack::ensure_sufficient_stack; @@ -69,18 +69,6 @@ pub(crate) enum DeclareLetBindings { LetNotPermitted, } -/// Used by [`Builder::bind_matched_candidate_for_arm_body`] to determine -/// whether or not to call [`Builder::storage_live_binding`] to emit -/// [`StatementKind::StorageLive`]. -#[derive(Clone, Copy)] -pub(crate) enum EmitStorageLive { - /// Yes, emit `StorageLive` as normal. - Yes, - /// No, don't emit `StorageLive`. The caller has taken responsibility for - /// emitting `StorageLive` as appropriate. - No, -} - /// Used by [`Builder::storage_live_binding`] and [`Builder::bind_matched_candidate_for_arm_body`] /// to decide whether to schedule drops. #[derive(Clone, Copy, Debug)] @@ -205,7 +193,6 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { Some(args.variable_source_info.scope), args.variable_source_info.span, args.declare_let_bindings, - EmitStorageLive::Yes, ), _ => { let mut block = block; @@ -473,7 +460,6 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { &built_match_tree.fake_borrow_temps, scrutinee_span, Some((arm, match_scope)), - EmitStorageLive::Yes, ); this.fixed_temps_scope = old_dedup_scope; @@ -527,7 +513,6 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { fake_borrow_temps: &[(Place<'tcx>, Local, FakeBorrowKind)], scrutinee_span: Span, arm_match_scope: Option<(&Arm<'tcx>, region::Scope)>, - emit_storage_live: EmitStorageLive, ) -> BasicBlock { if branch.sub_branches.len() == 1 { let [sub_branch] = branch.sub_branches.try_into().unwrap(); @@ -538,7 +523,6 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { scrutinee_span, arm_match_scope, ScheduleDrops::Yes, - emit_storage_live, ) } else { // It's helpful to avoid scheduling drops multiple times to save @@ -555,27 +539,20 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { // return: it isn't bound by move until right before enter the arm. // To handle this we instead unschedule it's drop after each time // we lower the guard. + // As a result, we end up with the drop order of the last sub-branch we lower. To use + // the drop order for the first sub-branch, we lower sub-branches in reverse (#142163). let target_block = self.cfg.start_new_block(); - let mut schedule_drops = ScheduleDrops::Yes; - let arm = arm_match_scope.unzip().0; - // We keep a stack of all of the bindings and type ascriptions - // from the parent candidates that we visit, that also need to - // be bound for each candidate. - for sub_branch in branch.sub_branches { - if let Some(arm) = arm { - self.clear_top_scope(arm.scope); - } + for (pos, sub_branch) in branch.sub_branches.into_iter().rev().with_position() { + debug_assert!(pos != Position::Only); + let schedule_drops = + if pos == Position::Last { ScheduleDrops::Yes } else { ScheduleDrops::No }; let binding_end = self.bind_and_guard_matched_candidate( sub_branch, fake_borrow_temps, scrutinee_span, arm_match_scope, schedule_drops, - emit_storage_live, ); - if arm.is_none() { - schedule_drops = ScheduleDrops::No; - } self.cfg.goto(binding_end, outer_source_info, target_block); } @@ -735,7 +712,6 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { &[], irrefutable_pat.span, None, - EmitStorageLive::Yes, ) .unit() } @@ -990,7 +966,7 @@ struct PatternExtraData<'tcx> { span: Span, /// Bindings that must be established. - bindings: Vec<Binding<'tcx>>, + bindings: Vec<SubpatternBindings<'tcx>>, /// Types that must be asserted. ascriptions: Vec<Ascription<'tcx>>, @@ -1005,6 +981,15 @@ impl<'tcx> PatternExtraData<'tcx> { } } +#[derive(Debug, Clone)] +enum SubpatternBindings<'tcx> { + /// A single binding. + One(Binding<'tcx>), + /// Holds the place for an or-pattern's bindings. This ensures their drops are scheduled in the + /// order the primary bindings appear. See rust-lang/rust#142163 for more information. + FromOrPattern, +} + /// A pattern in a form suitable for lowering the match tree, with all irrefutable /// patterns simplified away. /// @@ -1220,7 +1205,7 @@ fn traverse_candidate<'tcx, C, T, I>( } } -#[derive(Clone, Debug)] +#[derive(Clone, Copy, Debug)] struct Binding<'tcx> { span: Span, source: Place<'tcx>, @@ -1446,12 +1431,7 @@ impl<'tcx> MatchTreeSubBranch<'tcx> { span: candidate.extra_data.span, success_block: candidate.pre_binding_block.unwrap(), otherwise_block: candidate.otherwise_block.unwrap(), - bindings: parent_data - .iter() - .flat_map(|d| &d.bindings) - .chain(&candidate.extra_data.bindings) - .cloned() - .collect(), + bindings: sub_branch_bindings(parent_data, &candidate.extra_data.bindings), ascriptions: parent_data .iter() .flat_map(|d| &d.ascriptions) @@ -1484,6 +1464,68 @@ impl<'tcx> MatchTreeBranch<'tcx> { } } +/// Collects the bindings for a [`MatchTreeSubBranch`], preserving the order they appear in the +/// pattern, as though the or-alternatives chosen in this sub-branch were inlined. +fn sub_branch_bindings<'tcx>( + parents: &[PatternExtraData<'tcx>], + leaf_bindings: &[SubpatternBindings<'tcx>], +) -> Vec<Binding<'tcx>> { + // In the common case, all bindings will be in leaves. Allocate to fit the leaf's bindings. + let mut all_bindings = Vec::with_capacity(leaf_bindings.len()); + let mut remainder = parents + .iter() + .map(|parent| parent.bindings.as_slice()) + .chain([leaf_bindings]) + // Skip over unsimplified or-patterns without bindings. + .filter(|bindings| !bindings.is_empty()); + if let Some(candidate_bindings) = remainder.next() { + push_sub_branch_bindings(&mut all_bindings, candidate_bindings, &mut remainder); + } + // Make sure we've included all bindings. For ill-formed patterns like `(x, _ | y)`, we may not + // have collected all bindings yet, since we only check the first alternative when determining + // whether to inline subcandidates' bindings. + // FIXME(@dianne): prevent ill-formed patterns from getting here + while let Some(candidate_bindings) = remainder.next() { + ty::tls::with(|tcx| { + tcx.dcx().delayed_bug("mismatched or-pattern bindings but no error emitted") + }); + // To recover, we collect the rest in an arbitrary order. + push_sub_branch_bindings(&mut all_bindings, candidate_bindings, &mut remainder); + } + all_bindings +} + +/// Helper for [`sub_branch_bindings`]. Collects bindings from `candidate_bindings` into +/// `flattened`. Bindings in or-patterns are collected recursively from `remainder`. +fn push_sub_branch_bindings<'c, 'tcx: 'c>( + flattened: &mut Vec<Binding<'tcx>>, + candidate_bindings: &'c [SubpatternBindings<'tcx>], + remainder: &mut impl Iterator<Item = &'c [SubpatternBindings<'tcx>]>, +) { + for subpat_bindings in candidate_bindings { + match subpat_bindings { + SubpatternBindings::One(binding) => flattened.push(*binding), + SubpatternBindings::FromOrPattern => { + // Inline bindings from an or-pattern. By construction, this always + // corresponds to a subcandidate and its closest descendants (i.e. those + // from nested or-patterns, but not adjacent or-patterns). To handle + // adjacent or-patterns, e.g. `(x | x, y | y)`, we update the `remainder` to + // point to the first descendant candidate from outside this or-pattern. + if let Some(subcandidate_bindings) = remainder.next() { + push_sub_branch_bindings(flattened, subcandidate_bindings, remainder); + } else { + // For ill-formed patterns like `x | _`, we may not have any subcandidates left + // to inline bindings from. + // FIXME(@dianne): prevent ill-formed patterns from getting here + ty::tls::with(|tcx| { + tcx.dcx().delayed_bug("mismatched or-pattern bindings but no error emitted") + }); + }; + } + } + } +} + #[derive(Debug, Clone, Copy, PartialEq, Eq)] pub(crate) enum HasMatchGuard { Yes, @@ -2358,7 +2400,6 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { source_scope: Option<SourceScope>, scope_span: Span, declare_let_bindings: DeclareLetBindings, - emit_storage_live: EmitStorageLive, ) -> BlockAnd<()> { let expr_span = self.thir[expr_id].span; let scrutinee = unpack!(block = self.lower_scrutinee(block, expr_id, expr_span)); @@ -2392,14 +2433,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { } } - let success = self.bind_pattern( - self.source_info(pat.span), - branch, - &[], - expr_span, - None, - emit_storage_live, - ); + let success = self.bind_pattern(self.source_info(pat.span), branch, &[], expr_span, None); // If branch coverage is enabled, record this branch. self.visit_coverage_conditional_let(pat, success, built_tree.otherwise_block); @@ -2422,7 +2456,6 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { scrutinee_span: Span, arm_match_scope: Option<(&Arm<'tcx>, region::Scope)>, schedule_drops: ScheduleDrops, - emit_storage_live: EmitStorageLive, ) -> BasicBlock { debug!("bind_and_guard_matched_candidate(subbranch={:?})", sub_branch); @@ -2447,11 +2480,8 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { // Bindings for guards require some extra handling to automatically // insert implicit references/dereferences. - self.bind_matched_candidate_for_guard( - block, - schedule_drops, - sub_branch.bindings.iter(), - ); + // This always schedules storage drops, so we may need to unschedule them below. + self.bind_matched_candidate_for_guard(block, sub_branch.bindings.iter()); let guard_frame = GuardFrame { locals: sub_branch .bindings @@ -2483,6 +2513,13 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { ) }); + // If this isn't the final sub-branch being lowered, we need to unschedule drops of + // bindings and temporaries created for and by the guard. As a result, the drop order + // for the arm will correspond to the binding order of the final sub-branch lowered. + if matches!(schedule_drops, ScheduleDrops::No) { + self.clear_top_scope(arm.scope); + } + let source_info = self.source_info(guard_span); let guard_end = self.source_info(tcx.sess.source_map().end_point(guard_span)); let guard_frame = self.guard_context.pop().unwrap(); @@ -2532,16 +2569,11 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { let cause = FakeReadCause::ForGuardBinding; self.cfg.push_fake_read(post_guard_block, guard_end, cause, Place::from(local_id)); } - assert_matches!( - schedule_drops, - ScheduleDrops::Yes, - "patterns with guards must schedule drops" - ); + // Only schedule drops for the last sub-branch we lower. self.bind_matched_candidate_for_arm_body( post_guard_block, - ScheduleDrops::Yes, + schedule_drops, by_value_bindings, - emit_storage_live, ); post_guard_block @@ -2553,7 +2585,6 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { block, schedule_drops, sub_branch.bindings.iter(), - emit_storage_live, ); block } @@ -2665,7 +2696,6 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { fn bind_matched_candidate_for_guard<'b>( &mut self, block: BasicBlock, - schedule_drops: ScheduleDrops, bindings: impl IntoIterator<Item = &'b Binding<'tcx>>, ) where 'tcx: 'b, @@ -2684,12 +2714,13 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { // a reference R: &T pointing to the location matched by // the pattern, and every occurrence of P within a guard // denotes *R. + // Drops must be scheduled to emit `StorageDead` on the guard's failure/break branches. let ref_for_guard = self.storage_live_binding( block, binding.var_id, binding.span, RefWithinGuard, - schedule_drops, + ScheduleDrops::Yes, ); match binding.binding_mode.0 { ByRef::No => { @@ -2699,13 +2730,14 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { self.cfg.push_assign(block, source_info, ref_for_guard, rvalue); } ByRef::Yes(mutbl) => { - // The arm binding will be by reference, so eagerly create it now. + // The arm binding will be by reference, so eagerly create it now. Drops must + // be scheduled to emit `StorageDead` on the guard's failure/break branches. let value_for_arm = self.storage_live_binding( block, binding.var_id, binding.span, OutsideGuard, - schedule_drops, + ScheduleDrops::Yes, ); let rvalue = @@ -2724,7 +2756,6 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { block: BasicBlock, schedule_drops: ScheduleDrops, bindings: impl IntoIterator<Item = &'b Binding<'tcx>>, - emit_storage_live: EmitStorageLive, ) where 'tcx: 'b, { @@ -2734,19 +2765,13 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { // Assign each of the bindings. This may trigger moves out of the candidate. for binding in bindings { let source_info = self.source_info(binding.span); - let local = match emit_storage_live { - // Here storages are already alive, probably because this is a binding - // from let-else. - // We just need to schedule drop for the value. - EmitStorageLive::No => self.var_local_id(binding.var_id, OutsideGuard).into(), - EmitStorageLive::Yes => self.storage_live_binding( - block, - binding.var_id, - binding.span, - OutsideGuard, - schedule_drops, - ), - }; + let local = self.storage_live_binding( + block, + binding.var_id, + binding.span, + OutsideGuard, + schedule_drops, + ); if matches!(schedule_drops, ScheduleDrops::Yes) { self.schedule_drop_for_binding(binding.var_id, binding.span, OutsideGuard); } diff --git a/compiler/rustc_mir_build/src/builder/matches/util.rs b/compiler/rustc_mir_build/src/builder/matches/util.rs index 589e350a03f..2c8ad95b6af 100644 --- a/compiler/rustc_mir_build/src/builder/matches/util.rs +++ b/compiler/rustc_mir_build/src/builder/matches/util.rs @@ -138,7 +138,9 @@ impl<'a, 'b, 'tcx> FakeBorrowCollector<'a, 'b, 'tcx> { fn visit_candidate(&mut self, candidate: &Candidate<'tcx>) { for binding in &candidate.extra_data.bindings { - self.visit_binding(binding); + if let super::SubpatternBindings::One(binding) = binding { + self.visit_binding(binding); + } } for match_pair in &candidate.match_pairs { self.visit_match_pair(match_pair); @@ -147,7 +149,9 @@ impl<'a, 'b, 'tcx> FakeBorrowCollector<'a, 'b, 'tcx> { fn visit_flat_pat(&mut self, flat_pat: &FlatPat<'tcx>) { for binding in &flat_pat.extra_data.bindings { - self.visit_binding(binding); + if let super::SubpatternBindings::One(binding) = binding { + self.visit_binding(binding); + } } for match_pair in &flat_pat.match_pairs { self.visit_match_pair(match_pair); diff --git a/compiler/rustc_mir_build/src/check_tail_calls.rs b/compiler/rustc_mir_build/src/check_tail_calls.rs index b4c8b20e50f..3ecccb422c4 100644 --- a/compiler/rustc_mir_build/src/check_tail_calls.rs +++ b/compiler/rustc_mir_build/src/check_tail_calls.rs @@ -60,9 +60,13 @@ impl<'tcx> TailCallCkVisitor<'_, 'tcx> { let BodyTy::Fn(caller_sig) = self.thir.body_type else { span_bug!( call.span, - "`become` outside of functions should have been disallowed by hit_typeck" + "`become` outside of functions should have been disallowed by hir_typeck" ) }; + // While the `caller_sig` does have its regions erased, it does not have its + // binders anonymized. We call `erase_regions` once again to anonymize any binders + // within the signature, such as in function pointer or `dyn Trait` args. + let caller_sig = self.tcx.erase_regions(caller_sig); let ExprKind::Scope { value, .. } = call.kind else { span_bug!(call.span, "expected scope, found: {call:?}") diff --git a/compiler/rustc_mir_transform/src/simplify.rs b/compiler/rustc_mir_transform/src/simplify.rs index db933da6413..468ef742dfb 100644 --- a/compiler/rustc_mir_transform/src/simplify.rs +++ b/compiler/rustc_mir_transform/src/simplify.rs @@ -225,6 +225,7 @@ impl<'a, 'tcx> CfgSimplifier<'a, 'tcx> { current = target; } let last = current; + *changed |= *start != last; *start = last; while let Some((current, mut terminator)) = terminators.pop() { let Terminator { kind: TerminatorKind::Goto { ref mut target }, .. } = terminator diff --git a/compiler/rustc_monomorphize/messages.ftl b/compiler/rustc_monomorphize/messages.ftl index 2bd19e81b01..9595a5b5ac7 100644 --- a/compiler/rustc_monomorphize/messages.ftl +++ b/compiler/rustc_monomorphize/messages.ftl @@ -40,7 +40,10 @@ monomorphize_couldnt_dump_mono_stats = unexpected error occurred while dumping monomorphization stats: {$error} monomorphize_encountered_error_while_instantiating = - the above error was encountered while instantiating `{$formatted_item}` + the above error was encountered while instantiating `{$kind} {$instance}` + +monomorphize_encountered_error_while_instantiating_global_asm = + the above error was encountered while instantiating `global_asm` monomorphize_large_assignments = moving {$size} bytes @@ -52,12 +55,10 @@ monomorphize_no_optimized_mir = .note = missing optimized MIR for this item (was the crate `{$crate_name}` compiled with `--emit=metadata`?) monomorphize_recursion_limit = - reached the recursion limit while instantiating `{$shrunk}` + reached the recursion limit while instantiating `{$instance}` .note = `{$def_path_str}` defined here monomorphize_start_not_found = using `fn main` requires the standard library .help = use `#![no_main]` to bypass the Rust generated entrypoint and declare a platform specific entrypoint yourself, usually with `#[no_mangle]` monomorphize_symbol_already_defined = symbol `{$symbol}` is already defined - -monomorphize_written_to_path = the full type name has been written to '{$path}' diff --git a/compiler/rustc_monomorphize/src/collector.rs b/compiler/rustc_monomorphize/src/collector.rs index 35b80a9b96f..26ca8518434 100644 --- a/compiler/rustc_monomorphize/src/collector.rs +++ b/compiler/rustc_monomorphize/src/collector.rs @@ -206,7 +206,6 @@ //! regardless of whether it is actually needed or not. use std::cell::OnceCell; -use std::path::PathBuf; use rustc_data_structures::fx::FxIndexMap; use rustc_data_structures::sync::{MTLock, par_for_each_in}; @@ -224,7 +223,6 @@ use rustc_middle::mir::{self, Location, MentionedItem, traversal}; use rustc_middle::query::TyCtxtAt; use rustc_middle::ty::adjustment::{CustomCoerceUnsized, PointerCoercion}; use rustc_middle::ty::layout::ValidityRequirement; -use rustc_middle::ty::print::{shrunk_instance_name, with_no_trimmed_paths}; use rustc_middle::ty::{ self, GenericArgs, GenericParamDefKind, Instance, InstanceKind, Ty, TyCtxt, TypeFoldable, TypeVisitableExt, VtblEntry, @@ -237,7 +235,10 @@ use rustc_span::source_map::{Spanned, dummy_spanned, respan}; use rustc_span::{DUMMY_SP, Span}; use tracing::{debug, instrument, trace}; -use crate::errors::{self, EncounteredErrorWhileInstantiating, NoOptimizedMir, RecursionLimit}; +use crate::errors::{ + self, EncounteredErrorWhileInstantiating, EncounteredErrorWhileInstantiatingGlobalAsm, + NoOptimizedMir, RecursionLimit, +}; #[derive(PartialEq)] pub(crate) enum MonoItemCollectionStrategy { @@ -525,11 +526,23 @@ fn collect_items_rec<'tcx>( && starting_item.node.is_generic_fn() && starting_item.node.is_user_defined() { - let formatted_item = with_no_trimmed_paths!(starting_item.node.to_string()); - tcx.dcx().emit_note(EncounteredErrorWhileInstantiating { - span: starting_item.span, - formatted_item, - }); + match starting_item.node { + MonoItem::Fn(instance) => tcx.dcx().emit_note(EncounteredErrorWhileInstantiating { + span: starting_item.span, + kind: "fn", + instance, + }), + MonoItem::Static(def_id) => tcx.dcx().emit_note(EncounteredErrorWhileInstantiating { + span: starting_item.span, + kind: "static", + instance: Instance::new_raw(def_id, GenericArgs::empty()), + }), + MonoItem::GlobalAsm(_) => { + tcx.dcx().emit_note(EncounteredErrorWhileInstantiatingGlobalAsm { + span: starting_item.span, + }) + } + } } // Only updating `usage_map` for used items as otherwise we may be inserting the same item // multiple times (if it is first 'mentioned' and then later actually used), and the usage map @@ -612,22 +625,7 @@ fn check_recursion_limit<'tcx>( if !recursion_limit.value_within_limit(adjusted_recursion_depth) { let def_span = tcx.def_span(def_id); let def_path_str = tcx.def_path_str(def_id); - let (shrunk, written_to_path) = shrunk_instance_name(tcx, instance); - let mut path = PathBuf::new(); - let was_written = if let Some(written_to_path) = written_to_path { - path = written_to_path; - true - } else { - false - }; - tcx.dcx().emit_fatal(RecursionLimit { - span, - shrunk, - def_span, - def_path_str, - was_written, - path, - }); + tcx.dcx().emit_fatal(RecursionLimit { span, instance, def_span, def_path_str }); } recursion_depths.insert(def_id, recursion_depth + 1); diff --git a/compiler/rustc_monomorphize/src/errors.rs b/compiler/rustc_monomorphize/src/errors.rs index 938c427b56c..89a78897dea 100644 --- a/compiler/rustc_monomorphize/src/errors.rs +++ b/compiler/rustc_monomorphize/src/errors.rs @@ -1,21 +1,16 @@ -use std::path::PathBuf; - use rustc_macros::{Diagnostic, LintDiagnostic}; -use rustc_middle::ty::Ty; +use rustc_middle::ty::{Instance, Ty}; use rustc_span::{Span, Symbol}; #[derive(Diagnostic)] #[diag(monomorphize_recursion_limit)] -pub(crate) struct RecursionLimit { +pub(crate) struct RecursionLimit<'tcx> { #[primary_span] pub span: Span, - pub shrunk: String, + pub instance: Instance<'tcx>, #[note] pub def_span: Span, pub def_path_str: String, - #[note(monomorphize_written_to_path)] - pub was_written: bool, - pub path: PathBuf, } #[derive(Diagnostic)] @@ -53,10 +48,18 @@ pub(crate) struct CouldntDumpMonoStats { #[derive(Diagnostic)] #[diag(monomorphize_encountered_error_while_instantiating)] -pub(crate) struct EncounteredErrorWhileInstantiating { +pub(crate) struct EncounteredErrorWhileInstantiating<'tcx> { + #[primary_span] + pub span: Span, + pub kind: &'static str, + pub instance: Instance<'tcx>, +} + +#[derive(Diagnostic)] +#[diag(monomorphize_encountered_error_while_instantiating_global_asm)] +pub(crate) struct EncounteredErrorWhileInstantiatingGlobalAsm { #[primary_span] pub span: Span, - pub formatted_item: String, } #[derive(Diagnostic)] diff --git a/compiler/rustc_next_trait_solver/src/solve/assembly/mod.rs b/compiler/rustc_next_trait_solver/src/solve/assembly/mod.rs index 231fb3e2964..5e08c3a03d8 100644 --- a/compiler/rustc_next_trait_solver/src/solve/assembly/mod.rs +++ b/compiler/rustc_next_trait_solver/src/solve/assembly/mod.rs @@ -959,36 +959,23 @@ where // Even when a trait bound has been proven using a where-bound, we // still need to consider alias-bounds for normalization, see // `tests/ui/next-solver/alias-bound-shadowed-by-env.rs`. - let candidates_from_env_and_bounds: Vec<_> = self + let mut candidates: Vec<_> = self .assemble_and_evaluate_candidates(goal, AssembleCandidatesFrom::EnvAndBounds); // We still need to prefer where-bounds over alias-bounds however. // See `tests/ui/winnowing/norm-where-bound-gt-alias-bound.rs`. - let mut considered_candidates: Vec<_> = if candidates_from_env_and_bounds - .iter() - .any(|c| matches!(c.source, CandidateSource::ParamEnv(_))) - { - candidates_from_env_and_bounds - .into_iter() - .filter(|c| matches!(c.source, CandidateSource::ParamEnv(_))) - .map(|c| c.result) - .collect() - } else { - candidates_from_env_and_bounds.into_iter().map(|c| c.result).collect() - }; - - // If the trait goal has been proven by using the environment, we want to treat - // aliases as rigid if there are no applicable projection bounds in the environment. - if considered_candidates.is_empty() { - if let Ok(response) = inject_normalize_to_rigid_candidate(self) { - considered_candidates.push(response); - } + if candidates.iter().any(|c| matches!(c.source, CandidateSource::ParamEnv(_))) { + candidates.retain(|c| matches!(c.source, CandidateSource::ParamEnv(_))); + } else if candidates.is_empty() { + // If the trait goal has been proven by using the environment, we want to treat + // aliases as rigid if there are no applicable projection bounds in the environment. + return inject_normalize_to_rigid_candidate(self); } - if let Some(response) = self.try_merge_responses(&considered_candidates) { + if let Some(response) = self.try_merge_candidates(&candidates) { Ok(response) } else { - self.flounder(&considered_candidates) + self.flounder(&candidates) } } TraitGoalProvenVia::Misc => { @@ -998,11 +985,9 @@ where // Prefer "orphaned" param-env normalization predicates, which are used // (for example, and ideally only) when proving item bounds for an impl. let candidates_from_env: Vec<_> = candidates - .iter() - .filter(|c| matches!(c.source, CandidateSource::ParamEnv(_))) - .map(|c| c.result) + .extract_if(.., |c| matches!(c.source, CandidateSource::ParamEnv(_))) .collect(); - if let Some(response) = self.try_merge_responses(&candidates_from_env) { + if let Some(response) = self.try_merge_candidates(&candidates_from_env) { return Ok(response); } @@ -1012,12 +997,10 @@ where // means we can just ignore inference constraints and don't have to special-case // constraining the normalized-to `term`. self.filter_specialized_impls(AllowInferenceConstraints::Yes, &mut candidates); - - let responses: Vec<_> = candidates.iter().map(|c| c.result).collect(); - if let Some(response) = self.try_merge_responses(&responses) { + if let Some(response) = self.try_merge_candidates(&candidates) { Ok(response) } else { - self.flounder(&responses) + self.flounder(&candidates) } } } diff --git a/compiler/rustc_next_trait_solver/src/solve/mod.rs b/compiler/rustc_next_trait_solver/src/solve/mod.rs index aec9594b834..2feebe270a6 100644 --- a/compiler/rustc_next_trait_solver/src/solve/mod.rs +++ b/compiler/rustc_next_trait_solver/src/solve/mod.rs @@ -29,6 +29,7 @@ use tracing::instrument; pub use self::eval_ctxt::{EvalCtxt, GenerateProofTree, SolverDelegateEvalExt}; use crate::delegate::SolverDelegate; +use crate::solve::assembly::Candidate; /// How many fixpoint iterations we should attempt inside of the solver before bailing /// with overflow. @@ -244,50 +245,51 @@ where /// /// In this case we tend to flounder and return ambiguity by calling `[EvalCtxt::flounder]`. #[instrument(level = "trace", skip(self), ret)] - fn try_merge_responses( + fn try_merge_candidates( &mut self, - responses: &[CanonicalResponse<I>], + candidates: &[Candidate<I>], ) -> Option<CanonicalResponse<I>> { - if responses.is_empty() { + if candidates.is_empty() { return None; } - let one = responses[0]; - if responses[1..].iter().all(|&resp| resp == one) { + let one: CanonicalResponse<I> = candidates[0].result; + if candidates[1..].iter().all(|candidate| candidate.result == one) { return Some(one); } - responses + candidates .iter() - .find(|response| { - response.value.certainty == Certainty::Yes - && has_no_inference_or_external_constraints(**response) + .find(|candidate| { + candidate.result.value.certainty == Certainty::Yes + && has_no_inference_or_external_constraints(candidate.result) }) - .copied() + .map(|candidate| candidate.result) } - fn bail_with_ambiguity(&mut self, responses: &[CanonicalResponse<I>]) -> CanonicalResponse<I> { - debug_assert!(responses.len() > 1); - let maybe_cause = responses.iter().fold(MaybeCause::Ambiguity, |maybe_cause, response| { - // Pull down the certainty of `Certainty::Yes` to ambiguity when combining - // these responses, b/c we're combining more than one response and this we - // don't know which one applies. - let candidate = match response.value.certainty { - Certainty::Yes => MaybeCause::Ambiguity, - Certainty::Maybe(candidate) => candidate, - }; - maybe_cause.or(candidate) - }); + fn bail_with_ambiguity(&mut self, candidates: &[Candidate<I>]) -> CanonicalResponse<I> { + debug_assert!(candidates.len() > 1); + let maybe_cause = + candidates.iter().fold(MaybeCause::Ambiguity, |maybe_cause, candidates| { + // Pull down the certainty of `Certainty::Yes` to ambiguity when combining + // these responses, b/c we're combining more than one response and this we + // don't know which one applies. + let candidate = match candidates.result.value.certainty { + Certainty::Yes => MaybeCause::Ambiguity, + Certainty::Maybe(candidate) => candidate, + }; + maybe_cause.or(candidate) + }); self.make_ambiguous_response_no_constraints(maybe_cause) } /// If we fail to merge responses we flounder and return overflow or ambiguity. #[instrument(level = "trace", skip(self), ret)] - fn flounder(&mut self, responses: &[CanonicalResponse<I>]) -> QueryResult<I> { - if responses.is_empty() { + fn flounder(&mut self, candidates: &[Candidate<I>]) -> QueryResult<I> { + if candidates.is_empty() { return Err(NoSolution); } else { - Ok(self.bail_with_ambiguity(responses)) + Ok(self.bail_with_ambiguity(candidates)) } } diff --git a/compiler/rustc_next_trait_solver/src/solve/trait_goals.rs b/compiler/rustc_next_trait_solver/src/solve/trait_goals.rs index f760c2c07ff..60bae738e61 100644 --- a/compiler/rustc_next_trait_solver/src/solve/trait_goals.rs +++ b/compiler/rustc_next_trait_solver/src/solve/trait_goals.rs @@ -1346,11 +1346,10 @@ where mut candidates: Vec<Candidate<I>>, ) -> Result<(CanonicalResponse<I>, Option<TraitGoalProvenVia>), NoSolution> { if let TypingMode::Coherence = self.typing_mode() { - let all_candidates: Vec<_> = candidates.into_iter().map(|c| c.result).collect(); - return if let Some(response) = self.try_merge_responses(&all_candidates) { + return if let Some(response) = self.try_merge_candidates(&candidates) { Ok((response, Some(TraitGoalProvenVia::Misc))) } else { - self.flounder(&all_candidates).map(|r| (r, None)) + self.flounder(&candidates).map(|r| (r, None)) }; } @@ -1375,11 +1374,9 @@ where .any(|c| matches!(c.source, CandidateSource::ParamEnv(ParamEnvSource::NonGlobal))); if has_non_global_where_bounds { let where_bounds: Vec<_> = candidates - .iter() - .filter(|c| matches!(c.source, CandidateSource::ParamEnv(_))) - .map(|c| c.result) + .extract_if(.., |c| matches!(c.source, CandidateSource::ParamEnv(_))) .collect(); - return if let Some(response) = self.try_merge_responses(&where_bounds) { + return if let Some(response) = self.try_merge_candidates(&where_bounds) { Ok((response, Some(TraitGoalProvenVia::ParamEnv))) } else { Ok((self.bail_with_ambiguity(&where_bounds), None)) @@ -1388,11 +1385,9 @@ where if candidates.iter().any(|c| matches!(c.source, CandidateSource::AliasBound)) { let alias_bounds: Vec<_> = candidates - .iter() - .filter(|c| matches!(c.source, CandidateSource::AliasBound)) - .map(|c| c.result) + .extract_if(.., |c| matches!(c.source, CandidateSource::AliasBound)) .collect(); - return if let Some(response) = self.try_merge_responses(&alias_bounds) { + return if let Some(response) = self.try_merge_candidates(&alias_bounds) { Ok((response, Some(TraitGoalProvenVia::AliasBound))) } else { Ok((self.bail_with_ambiguity(&alias_bounds), None)) @@ -1417,11 +1412,10 @@ where TraitGoalProvenVia::Misc }; - let all_candidates: Vec<_> = candidates.into_iter().map(|c| c.result).collect(); - if let Some(response) = self.try_merge_responses(&all_candidates) { + if let Some(response) = self.try_merge_candidates(&candidates) { Ok((response, Some(proven_via))) } else { - self.flounder(&all_candidates).map(|r| (r, None)) + self.flounder(&candidates).map(|r| (r, None)) } } diff --git a/compiler/rustc_parse/messages.ftl b/compiler/rustc_parse/messages.ftl index 859118a4ade..7059ffbf375 100644 --- a/compiler/rustc_parse/messages.ftl +++ b/compiler/rustc_parse/messages.ftl @@ -71,6 +71,17 @@ parse_attr_without_generics = attribute without generic parameters parse_attribute_on_param_type = attributes cannot be applied to a function parameter's type .label = attributes are not allowed here +parse_attribute_on_type = attributes cannot be applied to types + .label = attributes are not allowed here + .suggestion = remove attribute from here + +parse_attribute_on_generic_arg = attributes cannot be applied to generic arguments + .label = attributes are not allowed here + .suggestion = remove attribute from here + +parse_attribute_on_empty_type = attributes cannot be applied here + .label = attributes are not allowed here + parse_bad_assoc_type_bounds = bounds on associated types do not belong here .label = belongs in `where` clause diff --git a/compiler/rustc_parse/src/errors.rs b/compiler/rustc_parse/src/errors.rs index 4aaaba01fae..48ff0394d46 100644 --- a/compiler/rustc_parse/src/errors.rs +++ b/compiler/rustc_parse/src/errors.rs @@ -1490,6 +1490,34 @@ pub(crate) struct AttributeOnParamType { } #[derive(Diagnostic)] +#[diag(parse_attribute_on_type)] +pub(crate) struct AttributeOnType { + #[primary_span] + #[label] + pub span: Span, + #[suggestion(code = "", applicability = "machine-applicable", style = "tool-only")] + pub fix_span: Span, +} + +#[derive(Diagnostic)] +#[diag(parse_attribute_on_generic_arg)] +pub(crate) struct AttributeOnGenericArg { + #[primary_span] + #[label] + pub span: Span, + #[suggestion(code = "", applicability = "machine-applicable", style = "tool-only")] + pub fix_span: Span, +} + +#[derive(Diagnostic)] +#[diag(parse_attribute_on_empty_type)] +pub(crate) struct AttributeOnEmptyType { + #[primary_span] + #[label] + pub span: Span, +} + +#[derive(Diagnostic)] #[diag(parse_pattern_method_param_without_body, code = E0642)] pub(crate) struct PatternMethodParamWithoutBody { #[primary_span] diff --git a/compiler/rustc_parse/src/parser/item.rs b/compiler/rustc_parse/src/parser/item.rs index 65d84b3e3d9..cb7c5649433 100644 --- a/compiler/rustc_parse/src/parser/item.rs +++ b/compiler/rustc_parse/src/parser/item.rs @@ -885,6 +885,9 @@ impl<'a> Parser<'a> { /// Parses `unsafe? auto? trait Foo { ... }` or `trait Foo = Bar;`. fn parse_item_trait(&mut self, attrs: &mut AttrVec, lo: Span) -> PResult<'a, ItemKind> { let constness = self.parse_constness(Case::Sensitive); + if let Const::Yes(span) = constness { + self.psess.gated_spans.gate(sym::const_trait_impl, span); + } let safety = self.parse_safety(Case::Sensitive); // Parse optional `auto` prefix. let is_auto = if self.eat_keyword(exp!(Auto)) { diff --git a/compiler/rustc_parse/src/parser/path.rs b/compiler/rustc_parse/src/parser/path.rs index 1f4049f197f..8e65ab99c5e 100644 --- a/compiler/rustc_parse/src/parser/path.rs +++ b/compiler/rustc_parse/src/parser/path.rs @@ -17,11 +17,11 @@ use super::ty::{AllowPlus, RecoverQPath, RecoverReturnSign}; use super::{Parser, Restrictions, TokenType}; use crate::ast::{PatKind, TyKind}; use crate::errors::{ - self, FnPathFoundNamedParams, PathFoundAttributeInParams, PathFoundCVariadicParams, - PathSingleColon, PathTripleColon, + self, AttributeOnEmptyType, AttributeOnGenericArg, FnPathFoundNamedParams, + PathFoundAttributeInParams, PathFoundCVariadicParams, PathSingleColon, PathTripleColon, }; use crate::exp; -use crate::parser::{CommaRecoveryMode, RecoverColon, RecoverComma}; +use crate::parser::{CommaRecoveryMode, ExprKind, RecoverColon, RecoverComma}; /// Specifies how to parse a path. #[derive(Copy, Clone, PartialEq)] @@ -880,6 +880,12 @@ impl<'a> Parser<'a> { &mut self, ty_generics: Option<&Generics>, ) -> PResult<'a, Option<GenericArg>> { + let mut attr_span: Option<Span> = None; + if self.token == token::Pound && self.look_ahead(1, |t| *t == token::OpenBracket) { + let attrs_wrapper = self.parse_outer_attributes()?; + let raw_attrs = attrs_wrapper.take_for_recovery(self.psess); + attr_span = Some(raw_attrs[0].span.to(raw_attrs.last().unwrap().span)); + } let start = self.token.span; let arg = if self.check_lifetime() && self.look_ahead(1, |t| !t.is_like_plus()) { // Parse lifetime argument. @@ -934,6 +940,9 @@ impl<'a> Parser<'a> { } } else if self.token.is_keyword(kw::Const) { return self.recover_const_param_declaration(ty_generics); + } else if let Some(attr_span) = attr_span { + let diag = self.dcx().create_err(AttributeOnEmptyType { span: attr_span }); + return Err(diag); } else { // Fall back by trying to parse a const-expr expression. If we successfully do so, // then we should report an error that it needs to be wrapped in braces. @@ -953,6 +962,22 @@ impl<'a> Parser<'a> { } } }; + + if let Some(attr_span) = attr_span { + let guar = self.dcx().emit_err(AttributeOnGenericArg { + span: attr_span, + fix_span: attr_span.until(arg.span()), + }); + return Ok(Some(match arg { + GenericArg::Type(_) => GenericArg::Type(self.mk_ty(attr_span, TyKind::Err(guar))), + GenericArg::Const(_) => { + let error_expr = self.mk_expr(attr_span, ExprKind::Err(guar)); + GenericArg::Const(AnonConst { id: ast::DUMMY_NODE_ID, value: error_expr }) + } + GenericArg::Lifetime(lt) => GenericArg::Lifetime(lt), + })); + } + Ok(Some(arg)) } diff --git a/compiler/rustc_parse/src/parser/ty.rs b/compiler/rustc_parse/src/parser/ty.rs index 740dd10ea8b..59048e42e6f 100644 --- a/compiler/rustc_parse/src/parser/ty.rs +++ b/compiler/rustc_parse/src/parser/ty.rs @@ -14,10 +14,10 @@ use thin_vec::{ThinVec, thin_vec}; use super::{Parser, PathStyle, SeqSep, TokenType, Trailing}; use crate::errors::{ - self, DynAfterMut, ExpectedFnPathFoundFnKeyword, ExpectedMutOrConstInRawPointerType, - FnPtrWithGenerics, FnPtrWithGenericsSugg, HelpUseLatestEdition, InvalidDynKeyword, - LifetimeAfterMut, NeedPlusAfterTraitObjectLifetime, NestedCVariadicType, - ReturnTypesUseThinArrow, + self, AttributeOnEmptyType, AttributeOnType, DynAfterMut, ExpectedFnPathFoundFnKeyword, + ExpectedMutOrConstInRawPointerType, FnPtrWithGenerics, FnPtrWithGenericsSugg, + HelpUseLatestEdition, InvalidDynKeyword, LifetimeAfterMut, NeedPlusAfterTraitObjectLifetime, + NestedCVariadicType, ReturnTypesUseThinArrow, }; use crate::parser::item::FrontMatterParsingMode; use crate::{exp, maybe_recover_from_interpolated_ty_qpath}; @@ -253,7 +253,27 @@ impl<'a> Parser<'a> { ) -> PResult<'a, P<Ty>> { let allow_qpath_recovery = recover_qpath == RecoverQPath::Yes; maybe_recover_from_interpolated_ty_qpath!(self, allow_qpath_recovery); + if self.token == token::Pound && self.look_ahead(1, |t| *t == token::OpenBracket) { + let attrs_wrapper = self.parse_outer_attributes()?; + let raw_attrs = attrs_wrapper.take_for_recovery(self.psess); + let attr_span = raw_attrs[0].span.to(raw_attrs.last().unwrap().span); + let (full_span, guar) = match self.parse_ty() { + Ok(ty) => { + let full_span = attr_span.until(ty.span); + let guar = self + .dcx() + .emit_err(AttributeOnType { span: attr_span, fix_span: full_span }); + (attr_span, guar) + } + Err(err) => { + err.cancel(); + let guar = self.dcx().emit_err(AttributeOnEmptyType { span: attr_span }); + (attr_span, guar) + } + }; + return Ok(self.mk_ty(full_span, TyKind::Err(guar))); + } if let Some(ty) = self.eat_metavar_seq_with_matcher( |mv_kind| matches!(mv_kind, MetaVarKind::Ty { .. }), |this| this.parse_ty_no_question_mark_recover(), diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs index 2663d5fe99c..10c532b436a 100644 --- a/compiler/rustc_passes/src/check_attr.rs +++ b/compiler/rustc_passes/src/check_attr.rs @@ -315,6 +315,8 @@ impl<'tcx> CheckAttrVisitor<'tcx> { Attribute::Parsed(AttributeKind::Used { span: attr_span, .. }) => { self.check_used(*attr_span, target, span); } + Attribute::Parsed(AttributeKind::ShouldPanic { span: attr_span, .. }) => self + .check_generic_attr(hir_id, sym::should_panic, *attr_span, target, Target::Fn), &Attribute::Parsed(AttributeKind::PassByValue(attr_span)) => { self.check_pass_by_value(attr_span, span, target) } @@ -324,6 +326,9 @@ impl<'tcx> CheckAttrVisitor<'tcx> { &Attribute::Parsed(AttributeKind::Coverage(attr_span, _)) => { self.check_coverage(attr_span, span, target) } + &Attribute::Parsed(AttributeKind::Coroutine(attr_span)) => { + self.check_coroutine(attr_span, target) + } Attribute::Unparsed(attr_item) => { style = Some(attr_item.style); match attr.path().as_slice() { @@ -384,15 +389,9 @@ impl<'tcx> CheckAttrVisitor<'tcx> { [sym::link, ..] => self.check_link(hir_id, attr, span, target), [sym::path, ..] => self.check_generic_attr_unparsed(hir_id, attr, target, Target::Mod), [sym::macro_export, ..] => self.check_macro_export(hir_id, attr, target), - [sym::should_panic, ..] => { - self.check_generic_attr_unparsed(hir_id, attr, target, Target::Fn) - } [sym::autodiff_forward, ..] | [sym::autodiff_reverse, ..] => { self.check_autodiff(hir_id, attr, span, target) } - [sym::coroutine, ..] => { - self.check_coroutine(attr, target); - } [sym::linkage, ..] => self.check_linkage(attr, span, target), [ // ok @@ -2651,11 +2650,11 @@ impl<'tcx> CheckAttrVisitor<'tcx> { } } - fn check_coroutine(&self, attr: &Attribute, target: Target) { + fn check_coroutine(&self, attr_span: Span, target: Target) { match target { Target::Closure => return, _ => { - self.dcx().emit_err(errors::CoroutineOnNonClosure { span: attr.span() }); + self.dcx().emit_err(errors::CoroutineOnNonClosure { span: attr_span }); } } } diff --git a/compiler/rustc_resolve/src/build_reduced_graph.rs b/compiler/rustc_resolve/src/build_reduced_graph.rs index d9671c43b3d..2ad8543bf8c 100644 --- a/compiler/rustc_resolve/src/build_reduced_graph.rs +++ b/compiler/rustc_resolve/src/build_reduced_graph.rs @@ -27,7 +27,7 @@ use rustc_middle::metadata::ModChild; use rustc_middle::ty::{Feed, Visibility}; use rustc_middle::{bug, span_bug}; use rustc_span::hygiene::{ExpnId, LocalExpnId, MacroKind}; -use rustc_span::{Ident, Span, Symbol, kw, sym}; +use rustc_span::{Ident, Macros20NormalizedIdent, Span, Symbol, kw, sym}; use thin_vec::ThinVec; use tracing::debug; @@ -223,7 +223,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { pub(crate) fn build_reduced_graph_external(&self, module: Module<'ra>) { for child in self.tcx.module_children(module.def_id()) { - let parent_scope = ParentScope::module(module, self); + let parent_scope = ParentScope::module(module, self.arenas); self.build_reduced_graph_for_external_crate_res(child, parent_scope) } } @@ -373,7 +373,7 @@ impl<'a, 'ra, 'tcx> BuildReducedGraphVisitor<'a, 'ra, 'tcx> { res, )) }; - match self.r.resolve_path( + match self.r.cm().resolve_path( &segments, None, parent_scope, @@ -969,8 +969,8 @@ impl<'a, 'ra, 'tcx> BuildReducedGraphVisitor<'a, 'ra, 'tcx> { self.r.potentially_unused_imports.push(import); let imported_binding = self.r.import(binding, import); if ident.name != kw::Underscore && parent == self.r.graph_root { - let ident = ident.normalize_to_macros_2_0(); - if let Some(entry) = self.r.extern_prelude.get(&ident) + let norm_ident = Macros20NormalizedIdent::new(ident); + if let Some(entry) = self.r.extern_prelude.get(&norm_ident) && expansion != LocalExpnId::ROOT && orig_name.is_some() && !entry.is_import() @@ -986,7 +986,7 @@ impl<'a, 'ra, 'tcx> BuildReducedGraphVisitor<'a, 'ra, 'tcx> { } use indexmap::map::Entry; - match self.r.extern_prelude.entry(ident) { + match self.r.extern_prelude.entry(norm_ident) { Entry::Occupied(mut occupied) => { let entry = occupied.get_mut(); if let Some(old_binding) = entry.binding.get() @@ -1128,7 +1128,7 @@ impl<'a, 'ra, 'tcx> BuildReducedGraphVisitor<'a, 'ra, 'tcx> { }); } else { for ident in single_imports.iter().cloned() { - let result = self.r.maybe_resolve_ident_in_module( + let result = self.r.cm().maybe_resolve_ident_in_module( ModuleOrUniformRoot::Module(module), ident, MacroNS, diff --git a/compiler/rustc_resolve/src/check_unused.rs b/compiler/rustc_resolve/src/check_unused.rs index b85a814776a..11d93a58ae2 100644 --- a/compiler/rustc_resolve/src/check_unused.rs +++ b/compiler/rustc_resolve/src/check_unused.rs @@ -33,7 +33,7 @@ use rustc_session::lint::BuiltinLintDiag; use rustc_session::lint::builtin::{ MACRO_USE_EXTERN_CRATE, UNUSED_EXTERN_CRATES, UNUSED_IMPORTS, UNUSED_QUALIFICATIONS, }; -use rustc_span::{DUMMY_SP, Ident, Span, kw}; +use rustc_span::{DUMMY_SP, Ident, Macros20NormalizedIdent, Span, kw}; use crate::imports::{Import, ImportKind}; use crate::{LexicalScopeBinding, NameBindingKind, Resolver, module_to_string}; @@ -203,7 +203,7 @@ impl<'a, 'ra, 'tcx> UnusedImportCheckVisitor<'a, 'ra, 'tcx> { if self .r .extern_prelude - .get(&extern_crate.ident) + .get(&Macros20NormalizedIdent::new(extern_crate.ident)) .is_none_or(|entry| entry.introduced_by_item) { continue; diff --git a/compiler/rustc_resolve/src/diagnostics.rs b/compiler/rustc_resolve/src/diagnostics.rs index d18554bba1b..517e20e0619 100644 --- a/compiler/rustc_resolve/src/diagnostics.rs +++ b/compiler/rustc_resolve/src/diagnostics.rs @@ -30,7 +30,7 @@ use rustc_span::edit_distance::find_best_match_for_name; use rustc_span::edition::Edition; use rustc_span::hygiene::MacroKind; use rustc_span::source_map::SourceMap; -use rustc_span::{BytePos, Ident, Span, Symbol, SyntaxContext, kw, sym}; +use rustc_span::{BytePos, Ident, Macros20NormalizedIdent, Span, Symbol, SyntaxContext, kw, sym}; use thin_vec::{ThinVec, thin_vec}; use tracing::{debug, instrument}; @@ -320,8 +320,10 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { // Check if the target of the use for both bindings is the same. let duplicate = new_binding.res().opt_def_id() == old_binding.res().opt_def_id(); let has_dummy_span = new_binding.span.is_dummy() || old_binding.span.is_dummy(); - let from_item = - self.extern_prelude.get(&ident).is_none_or(|entry| entry.introduced_by_item); + let from_item = self + .extern_prelude + .get(&Macros20NormalizedIdent::new(ident)) + .is_none_or(|entry| entry.introduced_by_item); // Only suggest removing an import if both bindings are to the same def, if both spans // aren't dummy spans. Further, if both bindings are imports, then the ident must have // been introduced by an item. @@ -467,13 +469,11 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { pub(crate) fn lint_if_path_starts_with_module( &mut self, - finalize: Option<Finalize>, + finalize: Finalize, path: &[Segment], second_binding: Option<NameBinding<'_>>, ) { - let Some(Finalize { node_id, root_span, .. }) = finalize else { - return; - }; + let Finalize { node_id, root_span, .. } = finalize; let first_name = match path.get(0) { // In the 2018 edition this lint is a hard error, so nothing to do @@ -530,7 +530,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { module.for_each_child(self, |_this, ident, _ns, binding| { let res = binding.res(); if filter_fn(res) && ctxt.is_none_or(|ctxt| ctxt == ident.span.ctxt()) { - names.push(TypoSuggestion::typo_from_ident(ident, res)); + names.push(TypoSuggestion::typo_from_ident(ident.0, res)); } }); } @@ -1027,7 +1027,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { ) -> Option<TypoSuggestion> { let mut suggestions = Vec::new(); let ctxt = ident.span.ctxt(); - self.visit_scopes(scope_set, parent_scope, ctxt, |this, scope, use_prelude, _| { + self.cm().visit_scopes(scope_set, parent_scope, ctxt, |this, scope, use_prelude, _| { match scope { Scope::DeriveHelpers(expn_id) => { let res = Res::NonMacroAttr(NonMacroAttrKind::DeriveHelper); @@ -1046,7 +1046,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { if filter_fn(res) { for derive in parent_scope.derives { let parent_scope = &ParentScope { derives: &[], ..*parent_scope }; - let Ok((Some(ext), _)) = this.resolve_macro_path( + let Ok((Some(ext), _)) = this.reborrow().resolve_macro_path( derive, Some(MacroKind::Derive), parent_scope, @@ -1100,7 +1100,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { Scope::ExternPrelude => { suggestions.extend(this.extern_prelude.keys().filter_map(|ident| { let res = Res::Def(DefKind::Mod, CRATE_DEF_ID.to_def_id()); - filter_fn(res).then_some(TypoSuggestion::typo_from_ident(*ident, res)) + filter_fn(res).then_some(TypoSuggestion::typo_from_ident(ident.0, res)) })); } Scope::ToolPrelude => { @@ -1246,7 +1246,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { }; segms.append(&mut path_segments.clone()); - segms.push(ast::PathSegment::from_ident(ident)); + segms.push(ast::PathSegment::from_ident(ident.0)); let path = Path { span: name_binding.span, segments: segms, tokens: None }; if child_accessible @@ -1319,7 +1319,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { if let Some(def_id) = name_binding.res().module_like_def_id() { // form the path let mut path_segments = path_segments.clone(); - path_segments.push(ast::PathSegment::from_ident(ident)); + path_segments.push(ast::PathSegment::from_ident(ident.0)); let alias_import = if let NameBindingKind::Import { import, .. } = name_binding.kind @@ -1453,7 +1453,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { if needs_disambiguation { crate_path.push(ast::PathSegment::path_root(rustc_span::DUMMY_SP)); } - crate_path.push(ast::PathSegment::from_ident(ident)); + crate_path.push(ast::PathSegment::from_ident(ident.0)); suggestions.extend(self.lookup_import_candidates_from_module( lookup_ident, @@ -1480,7 +1480,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { ) { // Bring imported but unused `derive` macros into `macro_map` so we ensure they can be used // for suggestions. - self.visit_scopes( + self.cm().visit_scopes( ScopeSet::Macro(MacroKind::Derive), &parent_scope, ident.span.ctxt(), @@ -1589,7 +1589,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { }); } for ns in [Namespace::MacroNS, Namespace::TypeNS, Namespace::ValueNS] { - let Ok(binding) = self.early_resolve_ident_in_lexical_scope( + let Ok(binding) = self.cm().early_resolve_ident_in_lexical_scope( ident, ScopeSet::All(ns), parent_scope, @@ -2269,16 +2269,17 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { if ns == TypeNS || ns == ValueNS { let ns_to_try = if ns == TypeNS { ValueNS } else { TypeNS }; let binding = if let Some(module) = module { - self.resolve_ident_in_module( - module, - ident, - ns_to_try, - parent_scope, - None, - ignore_binding, - ignore_import, - ) - .ok() + self.cm() + .resolve_ident_in_module( + module, + ident, + ns_to_try, + parent_scope, + None, + ignore_binding, + ignore_import, + ) + .ok() } else if let Some(ribs) = ribs && let Some(TypeNS | ValueNS) = opt_ns { @@ -2296,16 +2297,17 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { _ => None, } } else { - self.early_resolve_ident_in_lexical_scope( - ident, - ScopeSet::All(ns_to_try), - parent_scope, - None, - false, - ignore_binding, - ignore_import, - ) - .ok() + self.cm() + .early_resolve_ident_in_lexical_scope( + ident, + ScopeSet::All(ns_to_try), + parent_scope, + None, + false, + ignore_binding, + ignore_import, + ) + .ok() }; if let Some(binding) = binding { msg = format!( @@ -2399,7 +2401,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { }, ) }); - if let Ok(binding) = self.early_resolve_ident_in_lexical_scope( + if let Ok(binding) = self.cm().early_resolve_ident_in_lexical_scope( ident, ScopeSet::All(ValueNS), parent_scope, @@ -2529,7 +2531,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { ) -> Option<(Vec<Segment>, Option<String>)> { // Replace first ident with `self` and check if that is valid. path[0].ident.name = kw::SelfLower; - let result = self.maybe_resolve_path(&path, None, parent_scope, None); + let result = self.cm().maybe_resolve_path(&path, None, parent_scope, None); debug!(?path, ?result); if let PathResult::Module(..) = result { Some((path, None)) } else { None } } @@ -2549,7 +2551,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { ) -> Option<(Vec<Segment>, Option<String>)> { // Replace first ident with `crate` and check if that is valid. path[0].ident.name = kw::Crate; - let result = self.maybe_resolve_path(&path, None, parent_scope, None); + let result = self.cm().maybe_resolve_path(&path, None, parent_scope, None); debug!(?path, ?result); if let PathResult::Module(..) = result { Some(( @@ -2581,7 +2583,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { ) -> Option<(Vec<Segment>, Option<String>)> { // Replace first ident with `crate` and check if that is valid. path[0].ident.name = kw::Super; - let result = self.maybe_resolve_path(&path, None, parent_scope, None); + let result = self.cm().maybe_resolve_path(&path, None, parent_scope, None); debug!(?path, ?result); if let PathResult::Module(..) = result { Some((path, None)) } else { None } } @@ -2616,7 +2618,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { for name in extern_crate_names.into_iter() { // Replace first ident with a crate name and check if that is valid. path[0].ident.name = name; - let result = self.maybe_resolve_path(&path, None, parent_scope, None); + let result = self.cm().maybe_resolve_path(&path, None, parent_scope, None); debug!(?path, ?name, ?result); if let PathResult::Module(..) = result { return Some((path, None)); diff --git a/compiler/rustc_resolve/src/ident.rs b/compiler/rustc_resolve/src/ident.rs index f5bc46bf053..80e57a4fa3d 100644 --- a/compiler/rustc_resolve/src/ident.rs +++ b/compiler/rustc_resolve/src/ident.rs @@ -16,10 +16,10 @@ use crate::imports::{Import, NameResolution}; use crate::late::{ConstantHasGenerics, NoConstantGenericsReason, PathSource, Rib, RibKind}; use crate::macros::{MacroRulesScope, sub_namespace_match}; use crate::{ - AmbiguityError, AmbiguityErrorMisc, AmbiguityKind, BindingKey, Determinacy, Finalize, - ImportKind, LexicalScopeBinding, Module, ModuleKind, ModuleOrUniformRoot, NameBinding, - NameBindingKind, ParentScope, PathResult, PrivacyError, Res, ResolutionError, Resolver, Scope, - ScopeSet, Segment, Used, Weak, errors, + AmbiguityError, AmbiguityErrorMisc, AmbiguityKind, BindingKey, CmResolver, Determinacy, + Finalize, ImportKind, LexicalScopeBinding, Module, ModuleKind, ModuleOrUniformRoot, + NameBinding, NameBindingKind, ParentScope, PathResult, PrivacyError, Res, ResolutionError, + Resolver, Scope, ScopeSet, Segment, Used, Weak, errors, }; #[derive(Copy, Clone)] @@ -44,12 +44,17 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { /// A generic scope visitor. /// Visits scopes in order to resolve some identifier in them or perform other actions. /// If the callback returns `Some` result, we stop visiting scopes and return it. - pub(crate) fn visit_scopes<T>( - &mut self, + pub(crate) fn visit_scopes<'r, T>( + mut self: CmResolver<'r, 'ra, 'tcx>, scope_set: ScopeSet<'ra>, parent_scope: &ParentScope<'ra>, ctxt: SyntaxContext, - mut visitor: impl FnMut(&mut Self, Scope<'ra>, UsePrelude, SyntaxContext) -> Option<T>, + mut visitor: impl FnMut( + &mut CmResolver<'r, 'ra, 'tcx>, + Scope<'ra>, + UsePrelude, + SyntaxContext, + ) -> Option<T>, ) -> Option<T> { // General principles: // 1. Not controlled (user-defined) names should have higher priority than controlled names @@ -146,7 +151,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { if visit { let use_prelude = if use_prelude { UsePrelude::Yes } else { UsePrelude::No }; - if let break_result @ Some(..) = visitor(self, scope, use_prelude, ctxt) { + if let break_result @ Some(..) = visitor(&mut self, scope, use_prelude, ctxt) { return break_result; } } @@ -341,7 +346,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { _ => break, } - let item = self.resolve_ident_in_module_unadjusted( + let item = self.cm().resolve_ident_in_module_unadjusted( ModuleOrUniformRoot::Module(module), ident, ns, @@ -356,17 +361,18 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { return Some(LexicalScopeBinding::Item(binding)); } } - self.early_resolve_ident_in_lexical_scope( - orig_ident, - ScopeSet::Late(ns, module, finalize.map(|finalize| finalize.node_id)), - parent_scope, - finalize, - finalize.is_some(), - ignore_binding, - None, - ) - .ok() - .map(LexicalScopeBinding::Item) + self.cm() + .early_resolve_ident_in_lexical_scope( + orig_ident, + ScopeSet::Late(ns, module, finalize.map(|finalize| finalize.node_id)), + parent_scope, + finalize, + finalize.is_some(), + ignore_binding, + None, + ) + .ok() + .map(LexicalScopeBinding::Item) } /// Resolve an identifier in lexical scope. @@ -375,8 +381,8 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { /// The function is used for resolving initial segments of macro paths (e.g., `foo` in /// `foo::bar!();` or `foo!();`) and also for import paths on 2018 edition. #[instrument(level = "debug", skip(self))] - pub(crate) fn early_resolve_ident_in_lexical_scope( - &mut self, + pub(crate) fn early_resolve_ident_in_lexical_scope<'r>( + self: CmResolver<'r, 'ra, 'tcx>, orig_ident: Ident, scope_set: ScopeSet<'ra>, parent_scope: &ParentScope<'ra>, @@ -450,7 +456,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { let mut result = Err(Determinacy::Determined); for derive in parent_scope.derives { let parent_scope = &ParentScope { derives: &[], ..*parent_scope }; - match this.resolve_macro_path( + match this.reborrow().resolve_macro_path( derive, Some(MacroKind::Derive), parent_scope, @@ -497,7 +503,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { finalize.map(|f| Finalize { used: Used::Scope, ..f }), ) }; - let binding = this.resolve_ident_in_module_unadjusted( + let binding = this.reborrow().resolve_ident_in_module_unadjusted( ModuleOrUniformRoot::Module(module), ident, ns, @@ -514,7 +520,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { match binding { Ok(binding) => { if let Some(lint_id) = derive_fallback_lint_id { - this.lint_buffer.buffer_lint( + this.get_mut().lint_buffer.buffer_lint( PROC_MACRO_DERIVE_RESOLUTION_FALLBACK, lint_id, orig_ident.span, @@ -556,7 +562,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { None => Err(Determinacy::Determined), }, Scope::ExternPrelude => { - match this.extern_prelude_get(ident, finalize.is_some()) { + match this.reborrow().extern_prelude_get(ident, finalize.is_some()) { Some(binding) => Ok((binding, Flags::empty())), None => Err(Determinacy::determined( this.graph_root.unexpanded_invocations.borrow().is_empty(), @@ -570,7 +576,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { Scope::StdLibPrelude => { let mut result = Err(Determinacy::Determined); if let Some(prelude) = this.prelude - && let Ok(binding) = this.resolve_ident_in_module_unadjusted( + && let Ok(binding) = this.reborrow().resolve_ident_in_module_unadjusted( ModuleOrUniformRoot::Module(prelude), ident, ns, @@ -687,7 +693,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { AmbiguityErrorMisc::None } }; - this.ambiguity_errors.push(AmbiguityError { + this.get_mut().ambiguity_errors.push(AmbiguityError { kind, ident: orig_ident, b1: innermost_binding, @@ -725,8 +731,8 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { } #[instrument(level = "debug", skip(self))] - pub(crate) fn maybe_resolve_ident_in_module( - &mut self, + pub(crate) fn maybe_resolve_ident_in_module<'r>( + self: CmResolver<'r, 'ra, 'tcx>, module: ModuleOrUniformRoot<'ra>, ident: Ident, ns: Namespace, @@ -738,8 +744,8 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { } #[instrument(level = "debug", skip(self))] - pub(crate) fn resolve_ident_in_module( - &mut self, + pub(crate) fn resolve_ident_in_module<'r>( + self: CmResolver<'r, 'ra, 'tcx>, module: ModuleOrUniformRoot<'ra>, mut ident: Ident, ns: Namespace, @@ -776,12 +782,11 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { ignore_import, ) } - /// Attempts to resolve `ident` in namespaces `ns` of `module`. /// Invariant: if `finalize` is `Some`, expansion and import resolution must be complete. #[instrument(level = "debug", skip(self))] - fn resolve_ident_in_module_unadjusted( - &mut self, + fn resolve_ident_in_module_unadjusted<'r>( + mut self: CmResolver<'r, 'ra, 'tcx>, module: ModuleOrUniformRoot<'ra>, ident: Ident, ns: Namespace, @@ -812,7 +817,9 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { assert_eq!(shadowing, Shadowing::Unrestricted); return if ns != TypeNS { Err((Determined, Weak::No)) - } else if let Some(binding) = self.extern_prelude_get(ident, finalize.is_some()) { + } else if let Some(binding) = + self.reborrow().extern_prelude_get(ident, finalize.is_some()) + { Ok(binding) } else if !self.graph_root.unexpanded_invocations.borrow().is_empty() { // Macro-expanded `extern crate` items can add names to extern prelude. @@ -865,7 +872,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { .find_map(|binding| if binding == ignore_binding { None } else { binding }); if let Some(finalize) = finalize { - return self.finalize_module_binding( + return self.get_mut().finalize_module_binding( ident, binding, if resolution.non_glob_binding.is_some() { resolution.glob_binding } else { None }, @@ -875,7 +882,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { ); } - let check_usable = |this: &Self, binding: NameBinding<'ra>| { + let check_usable = |this: CmResolver<'r, 'ra, 'tcx>, binding: NameBinding<'ra>| { let usable = this.is_accessible_from(binding.vis, parent_scope.module); if usable { Ok(binding) } else { Err((Determined, Weak::No)) } }; @@ -891,7 +898,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { // Check if one of single imports can still define the name, // if it can then our result is not determined and can be invalidated. - if self.single_import_can_define_name( + if self.reborrow().single_import_can_define_name( &resolution, binding, ns, @@ -962,7 +969,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { Some(None) => {} None => continue, }; - let result = self.resolve_ident_in_module_unadjusted( + let result = self.reborrow().resolve_ident_in_module_unadjusted( ModuleOrUniformRoot::Module(module), ident, ns, @@ -1049,8 +1056,8 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { // Checks if a single import can define the `Ident` corresponding to `binding`. // This is used to check whether we can definitively accept a glob as a resolution. - fn single_import_can_define_name( - &mut self, + fn single_import_can_define_name<'r>( + mut self: CmResolver<'r, 'ra, 'tcx>, resolution: &NameResolution<'ra>, binding: Option<NameBinding<'ra>>, ns: Namespace, @@ -1086,7 +1093,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { } } - match self.resolve_ident_in_module( + match self.reborrow().resolve_ident_in_module( module, *source, ns, @@ -1409,8 +1416,8 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { } #[instrument(level = "debug", skip(self))] - pub(crate) fn maybe_resolve_path( - &mut self, + pub(crate) fn maybe_resolve_path<'r>( + self: CmResolver<'r, 'ra, 'tcx>, path: &[Segment], opt_ns: Option<Namespace>, // `None` indicates a module path in import parent_scope: &ParentScope<'ra>, @@ -1418,10 +1425,9 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { ) -> PathResult<'ra> { self.resolve_path_with_ribs(path, opt_ns, parent_scope, None, None, None, ignore_import) } - #[instrument(level = "debug", skip(self))] - pub(crate) fn resolve_path( - &mut self, + pub(crate) fn resolve_path<'r>( + self: CmResolver<'r, 'ra, 'tcx>, path: &[Segment], opt_ns: Option<Namespace>, // `None` indicates a module path in import parent_scope: &ParentScope<'ra>, @@ -1440,8 +1446,8 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { ) } - pub(crate) fn resolve_path_with_ribs( - &mut self, + pub(crate) fn resolve_path_with_ribs<'r>( + mut self: CmResolver<'r, 'ra, 'tcx>, path: &[Segment], opt_ns: Option<Namespace>, // `None` indicates a module path in import parent_scope: &ParentScope<'ra>, @@ -1457,18 +1463,23 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { // We'll provide more context to the privacy errors later, up to `len`. let privacy_errors_len = self.privacy_errors.len(); + fn record_segment_res<'r, 'ra, 'tcx>( + mut this: CmResolver<'r, 'ra, 'tcx>, + finalize: Option<Finalize>, + res: Res, + id: Option<NodeId>, + ) { + if finalize.is_some() + && let Some(id) = id + && !this.partial_res_map.contains_key(&id) + { + assert!(id != ast::DUMMY_NODE_ID, "Trying to resolve dummy id"); + this.get_mut().record_partial_res(id, PartialRes::new(res)); + } + } for (segment_idx, &Segment { ident, id, .. }) in path.iter().enumerate() { debug!("resolve_path ident {} {:?} {:?}", segment_idx, ident, id); - let record_segment_res = |this: &mut Self, res| { - if finalize.is_some() - && let Some(id) = id - && !this.partial_res_map.contains_key(&id) - { - assert!(id != ast::DUMMY_NODE_ID, "Trying to resolve dummy id"); - this.record_partial_res(id, PartialRes::new(res)); - } - }; let is_last = segment_idx + 1 == path.len(); let ns = if is_last { opt_ns.unwrap_or(TypeNS) } else { TypeNS }; @@ -1507,7 +1518,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { let mut ctxt = ident.span.ctxt().normalize_to_macros_2_0(); let self_mod = self.resolve_self(&mut ctxt, parent_scope.module); if let Some(res) = self_mod.res() { - record_segment_res(self, res); + record_segment_res(self.reborrow(), finalize, res, id); } module = Some(ModuleOrUniformRoot::Module(self_mod)); continue; @@ -1529,7 +1540,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { // `::a::b`, `crate::a::b` or `$crate::a::b` let crate_root = self.resolve_crate_root(ident); if let Some(res) = crate_root.res() { - record_segment_res(self, res); + record_segment_res(self.reborrow(), finalize, res, id); } module = Some(ModuleOrUniformRoot::Module(crate_root)); continue; @@ -1562,21 +1573,22 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { } let binding = if let Some(module) = module { - self.resolve_ident_in_module( - module, - ident, - ns, - parent_scope, - finalize, - ignore_binding, - ignore_import, - ) - .map_err(|(determinacy, _)| determinacy) + self.reborrow() + .resolve_ident_in_module( + module, + ident, + ns, + parent_scope, + finalize, + ignore_binding, + ignore_import, + ) + .map_err(|(determinacy, _)| determinacy) } else if let Some(ribs) = ribs && let Some(TypeNS | ValueNS) = opt_ns { assert!(ignore_import.is_none()); - match self.resolve_ident_in_lexical_scope( + match self.get_mut().resolve_ident_in_lexical_scope( ident, ns, parent_scope, @@ -1588,7 +1600,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { Some(LexicalScopeBinding::Item(binding)) => Ok(binding), // we found a local variable or type param Some(LexicalScopeBinding::Res(res)) => { - record_segment_res(self, res); + record_segment_res(self.reborrow(), finalize, res, id); return PathResult::NonModule(PartialRes::with_unresolved_segments( res, path.len() - 1, @@ -1597,7 +1609,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { _ => Err(Determinacy::determined(finalize.is_some())), } } else { - self.early_resolve_ident_in_lexical_scope( + self.reborrow().early_resolve_ident_in_lexical_scope( ident, ScopeSet::All(ns), parent_scope, @@ -1618,8 +1630,10 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { // Mark every privacy error in this path with the res to the last element. This allows us // to detect the item the user cares about and either find an alternative import, or tell // the user it is not accessible. - for error in &mut self.privacy_errors[privacy_errors_len..] { - error.outermost_res = Some((res, ident)); + if finalize.is_some() { + for error in &mut self.get_mut().privacy_errors[privacy_errors_len..] { + error.outermost_res = Some((res, ident)); + } } let maybe_assoc = opt_ns != Some(MacroNS) && PathSource::Type.is_expected(res); @@ -1628,7 +1642,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { module_had_parse_errors = true; } module = Some(ModuleOrUniformRoot::Module(self.expect_module(def_id))); - record_segment_res(self, res); + record_segment_res(self.reborrow(), finalize, res, id); } else if res == Res::ToolMod && !is_last && opt_ns.is_some() { if binding.is_import() { self.dcx().emit_err(errors::ToolModuleImported { @@ -1641,8 +1655,14 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { } else if res == Res::Err { return PathResult::NonModule(PartialRes::new(Res::Err)); } else if opt_ns.is_some() && (is_last || maybe_assoc) { - self.lint_if_path_starts_with_module(finalize, path, second_binding); - record_segment_res(self, res); + if let Some(finalize) = finalize { + self.get_mut().lint_if_path_starts_with_module( + finalize, + path, + second_binding, + ); + } + record_segment_res(self.reborrow(), finalize, res, id); return PathResult::NonModule(PartialRes::with_unresolved_segments( res, path.len() - segment_idx - 1, @@ -1677,6 +1697,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { )); } + let mut this = self.reborrow(); return PathResult::failed( ident, is_last, @@ -1684,7 +1705,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { module_had_parse_errors, module, || { - self.report_path_resolution_error( + this.get_mut().report_path_resolution_error( path, opt_ns, parent_scope, @@ -1701,7 +1722,9 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { } } - self.lint_if_path_starts_with_module(finalize, path, second_binding); + if let Some(finalize) = finalize { + self.get_mut().lint_if_path_starts_with_module(finalize, path, second_binding); + } PathResult::Module(match module { Some(module) => module, diff --git a/compiler/rustc_resolve/src/imports.rs b/compiler/rustc_resolve/src/imports.rs index 156df45147f..403d440bee7 100644 --- a/compiler/rustc_resolve/src/imports.rs +++ b/compiler/rustc_resolve/src/imports.rs @@ -33,9 +33,10 @@ use crate::errors::{ ConsiderAddingMacroExport, ConsiderMarkingAsPub, }; use crate::{ - AmbiguityError, AmbiguityKind, BindingKey, Determinacy, Finalize, ImportSuggestion, Module, - ModuleOrUniformRoot, NameBinding, NameBindingData, NameBindingKind, ParentScope, PathResult, - PerNS, ResolutionError, Resolver, ScopeSet, Segment, Used, module_to_string, names_to_string, + AmbiguityError, AmbiguityKind, BindingKey, CmResolver, Determinacy, Finalize, ImportSuggestion, + Module, ModuleOrUniformRoot, NameBinding, NameBindingData, NameBindingKind, ParentScope, + PathResult, PerNS, ResolutionError, Resolver, ScopeSet, Segment, Used, module_to_string, + names_to_string, }; type Res = def::Res<NodeId>; @@ -489,7 +490,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { // Define or update `binding` in `module`s glob importers. for import in glob_importers.iter() { let mut ident = key.ident; - let scope = match ident.span.reverse_glob_adjust(module.expansion, import.span) { + let scope = match ident.0.span.reverse_glob_adjust(module.expansion, import.span) { Some(Some(def)) => self.expn_def_scope(def), Some(None) => import.parent_scope.module, None => continue, @@ -498,7 +499,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { let imported_binding = self.import(binding, *import); let _ = self.try_define_local( import.parent_scope.module, - ident, + ident.0, key.ns, imported_binding, warn_ambiguity, @@ -551,13 +552,14 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { /// Resolves all imports for the crate. This method performs the fixed- /// point iteration. pub(crate) fn resolve_imports(&mut self) { + self.assert_speculative = true; let mut prev_indeterminate_count = usize::MAX; let mut indeterminate_count = self.indeterminate_imports.len() * 3; while indeterminate_count < prev_indeterminate_count { prev_indeterminate_count = indeterminate_count; indeterminate_count = 0; for import in mem::take(&mut self.indeterminate_imports) { - let import_indeterminate_count = self.resolve_import(import); + let import_indeterminate_count = self.cm().resolve_import(import); indeterminate_count += import_indeterminate_count; match import_indeterminate_count { 0 => self.determined_imports.push(import), @@ -565,6 +567,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { } } } + self.assert_speculative = false; } pub(crate) fn finalize_imports(&mut self) { @@ -837,7 +840,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { /// /// Meanwhile, if resolve successful, the resolved bindings are written /// into the module. - fn resolve_import(&mut self, import: Import<'ra>) -> usize { + fn resolve_import<'r>(mut self: CmResolver<'r, 'ra, 'tcx>, import: Import<'ra>) -> usize { debug!( "(resolving import for module) resolving import `{}::...` in `{}`", Segment::names_to_string(&import.module_path), @@ -846,7 +849,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { let module = if let Some(module) = import.imported_module.get() { module } else { - let path_res = self.maybe_resolve_path( + let path_res = self.reborrow().maybe_resolve_path( &import.module_path, None, &import.parent_scope, @@ -866,19 +869,21 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { (source, target, bindings, type_ns_only) } ImportKind::Glob { .. } => { - self.resolve_glob_import(import); + // FIXME: Use mutable resolver directly as a hack, this should be an output of + // specualtive resolution. + self.get_mut_unchecked().resolve_glob_import(import); return 0; } _ => unreachable!(), }; let mut indeterminate_count = 0; - self.per_ns(|this, ns| { + self.per_ns_cm(|this, ns| { if !type_ns_only || ns == TypeNS { if bindings[ns].get() != PendingBinding::Pending { return; }; - let binding_result = this.maybe_resolve_ident_in_module( + let binding_result = this.reborrow().maybe_resolve_ident_in_module( module, source, ns, @@ -901,16 +906,30 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { } // We need the `target`, `source` can be extracted. let imported_binding = this.import(binding, import); - this.define_binding_local(parent, target, ns, imported_binding); + // FIXME: Use mutable resolver directly as a hack, this should be an output of + // specualtive resolution. + this.get_mut_unchecked().define_binding_local( + parent, + target, + ns, + imported_binding, + ); PendingBinding::Ready(Some(imported_binding)) } Err(Determinacy::Determined) => { // Don't remove underscores from `single_imports`, they were never added. if target.name != kw::Underscore { let key = BindingKey::new(target, ns); - this.update_local_resolution(parent, key, false, |_, resolution| { - resolution.single_imports.swap_remove(&import); - }); + // FIXME: Use mutable resolver directly as a hack, this should be an output of + // specualtive resolution. + this.get_mut_unchecked().update_local_resolution( + parent, + key, + false, + |_, resolution| { + resolution.single_imports.swap_remove(&import); + }, + ); } PendingBinding::Ready(None) } @@ -943,7 +962,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { // We'll provide more context to the privacy errors later, up to `len`. let privacy_errors_len = self.privacy_errors.len(); - let path_res = self.resolve_path( + let path_res = self.cm().resolve_path( &import.module_path, None, &import.parent_scope, @@ -1060,7 +1079,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { // 2 segments, so the `resolve_path` above won't trigger it. let mut full_path = import.module_path.clone(); full_path.push(Segment::from_ident(Ident::dummy())); - self.lint_if_path_starts_with_module(Some(finalize), &full_path, None); + self.lint_if_path_starts_with_module(finalize, &full_path, None); } if let ModuleOrUniformRoot::Module(module) = module @@ -1103,7 +1122,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { // importing it if available. let mut path = import.module_path.clone(); path.push(Segment::from_ident(ident)); - if let PathResult::Module(ModuleOrUniformRoot::Module(module)) = self.resolve_path( + if let PathResult::Module(ModuleOrUniformRoot::Module(module)) = self.cm().resolve_path( &path, None, &import.parent_scope, @@ -1121,7 +1140,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { let mut all_ns_err = true; self.per_ns(|this, ns| { if !type_ns_only || ns == TypeNS { - let binding = this.resolve_ident_in_module( + let binding = this.cm().resolve_ident_in_module( module, ident, ns, @@ -1184,7 +1203,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { let mut all_ns_failed = true; self.per_ns(|this, ns| { if !type_ns_only || ns == TypeNS { - let binding = this.resolve_ident_in_module( + let binding = this.cm().resolve_ident_in_module( module, ident, ns, @@ -1373,7 +1392,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { full_path.push(Segment::from_ident(ident)); self.per_ns(|this, ns| { if let Some(binding) = bindings[ns].get().binding().map(|b| b.import_source()) { - this.lint_if_path_starts_with_module(Some(finalize), &full_path, Some(binding)); + this.lint_if_path_starts_with_module(finalize, &full_path, Some(binding)); } }); } @@ -1426,7 +1445,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { return; } - match this.early_resolve_ident_in_lexical_scope( + match this.cm().early_resolve_ident_in_lexical_scope( target, ScopeSet::All(ns), &import.parent_scope, @@ -1504,7 +1523,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { }) .collect::<Vec<_>>(); for (mut key, binding) in bindings { - let scope = match key.ident.span.reverse_glob_adjust(module.expansion, import.span) { + let scope = match key.ident.0.span.reverse_glob_adjust(module.expansion, import.span) { Some(Some(def)) => self.expn_def_scope(def), Some(None) => import.parent_scope.module, None => continue, @@ -1517,7 +1536,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { .is_some_and(|binding| binding.warn_ambiguity_recursive()); let _ = self.try_define_local( import.parent_scope.module, - key.ident, + key.ident.0, key.ns, imported_binding, warn_ambiguity, @@ -1550,7 +1569,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { next_binding = binding; } - children.push(ModChild { ident, res, vis: binding.vis, reexport_chain }); + children.push(ModChild { ident: ident.0, res, vis: binding.vis, reexport_chain }); } }); diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index 163e4b5b7a9..fb6f5725704 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -1424,7 +1424,7 @@ impl<'a, 'ast, 'ra, 'tcx> LateResolutionVisitor<'a, 'ast, 'ra, 'tcx> { // During late resolution we only track the module component of the parent scope, // although it may be useful to track other components as well for diagnostics. let graph_root = resolver.graph_root; - let parent_scope = ParentScope::module(graph_root, resolver); + let parent_scope = ParentScope::module(graph_root, resolver.arenas); let start_rib_kind = RibKind::Module(graph_root); LateResolutionVisitor { r: resolver, @@ -1484,7 +1484,7 @@ impl<'a, 'ast, 'ra, 'tcx> LateResolutionVisitor<'a, 'ast, 'ra, 'tcx> { opt_ns: Option<Namespace>, // `None` indicates a module path in import finalize: Option<Finalize>, ) -> PathResult<'ra> { - self.r.resolve_path_with_ribs( + self.r.cm().resolve_path_with_ribs( path, opt_ns, &self.parent_scope, @@ -4466,9 +4466,15 @@ impl<'a, 'ast, 'ra, 'tcx> LateResolutionVisitor<'a, 'ast, 'ra, 'tcx> { if qself.is_none() { let path_seg = |seg: &Segment| PathSegment::from_ident(seg.ident); let path = Path { segments: path.iter().map(path_seg).collect(), span, tokens: None }; - if let Ok((_, res)) = - self.r.resolve_macro_path(&path, None, &self.parent_scope, false, false, None, None) - { + if let Ok((_, res)) = self.r.cm().resolve_macro_path( + &path, + None, + &self.parent_scope, + false, + false, + None, + None, + ) { return Ok(Some(PartialRes::new(res))); } } diff --git a/compiler/rustc_resolve/src/late/diagnostics.rs b/compiler/rustc_resolve/src/late/diagnostics.rs index c8ca57a380f..19cd45294eb 100644 --- a/compiler/rustc_resolve/src/late/diagnostics.rs +++ b/compiler/rustc_resolve/src/late/diagnostics.rs @@ -1472,7 +1472,10 @@ impl<'ast, 'ra, 'tcx> LateResolutionVisitor<'_, 'ast, 'ra, 'tcx> { }) .collect(); if let [target] = targets.as_slice() { - return Some(TypoSuggestion::single_item_from_ident(target.0.ident, target.1)); + return Some(TypoSuggestion::single_item_from_ident( + target.0.ident.0, + target.1, + )); } } } @@ -2386,7 +2389,7 @@ impl<'ast, 'ra, 'tcx> LateResolutionVisitor<'_, 'ast, 'ra, 'tcx> { // Look for associated items in the current trait. if let Some((module, _)) = self.current_trait_ref - && let Ok(binding) = self.r.maybe_resolve_ident_in_module( + && let Ok(binding) = self.r.cm().maybe_resolve_ident_in_module( ModuleOrUniformRoot::Module(module), ident, ns, @@ -2479,7 +2482,7 @@ impl<'ast, 'ra, 'tcx> LateResolutionVisitor<'_, 'ast, 'ra, 'tcx> { names.extend(self.r.extern_prelude.keys().flat_map(|ident| { let res = Res::Def(DefKind::Mod, CRATE_DEF_ID.to_def_id()); filter_fn(res) - .then_some(TypoSuggestion::typo_from_ident(*ident, res)) + .then_some(TypoSuggestion::typo_from_ident(ident.0, res)) })); if let Some(prelude) = self.r.prelude { @@ -2639,7 +2642,7 @@ impl<'ast, 'ra, 'tcx> LateResolutionVisitor<'_, 'ast, 'ra, 'tcx> { if let Some(module_def_id) = name_binding.res().module_like_def_id() { // form the path let mut path_segments = path_segments.clone(); - path_segments.push(ast::PathSegment::from_ident(ident)); + path_segments.push(ast::PathSegment::from_ident(ident.0)); let doc_visible = doc_visible && (module_def_id.is_local() || !r.tcx.is_doc_hidden(module_def_id)); if module_def_id == def_id { @@ -2678,7 +2681,7 @@ impl<'ast, 'ra, 'tcx> LateResolutionVisitor<'_, 'ast, 'ra, 'tcx> { enum_module.for_each_child(self.r, |_, ident, _, name_binding| { if let Res::Def(DefKind::Ctor(CtorOf::Variant, kind), def_id) = name_binding.res() { let mut segms = enum_import_suggestion.path.segments.clone(); - segms.push(ast::PathSegment::from_ident(ident)); + segms.push(ast::PathSegment::from_ident(ident.0)); let path = Path { span: name_binding.span, segments: segms, tokens: None }; variants.push((path, def_id, kind)); } diff --git a/compiler/rustc_resolve/src/lib.rs b/compiler/rustc_resolve/src/lib.rs index 6b034c5129f..e5df23a86cb 100644 --- a/compiler/rustc_resolve/src/lib.rs +++ b/compiler/rustc_resolve/src/lib.rs @@ -12,6 +12,7 @@ #![allow(rustc::untranslatable_diagnostic)] #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] #![doc(rust_logo)] +#![feature(arbitrary_self_types)] #![feature(assert_matches)] #![feature(box_patterns)] #![feature(if_let_guard)] @@ -71,7 +72,7 @@ use rustc_query_system::ich::StableHashingContext; use rustc_session::lint::builtin::PRIVATE_MACRO_USE; use rustc_session::lint::{BuiltinLintDiag, LintBuffer}; use rustc_span::hygiene::{ExpnId, LocalExpnId, MacroKind, SyntaxContext, Transparency}; -use rustc_span::{DUMMY_SP, Ident, Span, Symbol, kw, sym}; +use rustc_span::{DUMMY_SP, Ident, Macros20NormalizedIdent, Span, Symbol, kw, sym}; use smallvec::{SmallVec, smallvec}; use tracing::debug; @@ -162,11 +163,11 @@ struct ParentScope<'ra> { impl<'ra> ParentScope<'ra> { /// Creates a parent scope with the passed argument used as the module scope component, /// and other scope components set to default empty values. - fn module(module: Module<'ra>, resolver: &Resolver<'ra, '_>) -> ParentScope<'ra> { + fn module(module: Module<'ra>, arenas: &'ra ResolverArenas<'ra>) -> ParentScope<'ra> { ParentScope { module, expansion: LocalExpnId::ROOT, - macro_rules: resolver.arenas.alloc_macro_rules_scope(MacroRulesScope::Empty), + macro_rules: arenas.alloc_macro_rules_scope(MacroRulesScope::Empty), derives: &[], } } @@ -531,7 +532,7 @@ impl ModuleKind { struct BindingKey { /// The identifier for the binding, always the `normalize_to_macros_2_0` version of the /// identifier. - ident: Ident, + ident: Macros20NormalizedIdent, ns: Namespace, /// When we add an underscore binding (with ident `_`) to some module, this field has /// a non-zero value that uniquely identifies this binding in that module. @@ -543,7 +544,7 @@ struct BindingKey { impl BindingKey { fn new(ident: Ident, ns: Namespace) -> Self { - BindingKey { ident: ident.normalize_to_macros_2_0(), ns, disambiguator: 0 } + BindingKey { ident: Macros20NormalizedIdent::new(ident), ns, disambiguator: 0 } } fn new_disambiguated( @@ -552,7 +553,7 @@ impl BindingKey { disambiguator: impl FnOnce() -> u32, ) -> BindingKey { let disambiguator = if ident.name == kw::Underscore { disambiguator() } else { 0 }; - BindingKey { ident: ident.normalize_to_macros_2_0(), ns, disambiguator } + BindingKey { ident: Macros20NormalizedIdent::new(ident), ns, disambiguator } } } @@ -593,7 +594,8 @@ struct ModuleData<'ra> { globs: RefCell<Vec<Import<'ra>>>, /// Used to memoize the traits in this module for faster searches through all traits in scope. - traits: RefCell<Option<Box<[(Ident, NameBinding<'ra>, Option<Module<'ra>>)]>>>, + traits: + RefCell<Option<Box<[(Macros20NormalizedIdent, NameBinding<'ra>, Option<Module<'ra>>)]>>>, /// Span of the module itself. Used for error reporting. span: Span, @@ -659,7 +661,7 @@ impl<'ra> Module<'ra> { fn for_each_child<'tcx, R: AsRef<Resolver<'ra, 'tcx>>>( self, resolver: &R, - mut f: impl FnMut(&R, Ident, Namespace, NameBinding<'ra>), + mut f: impl FnMut(&R, Macros20NormalizedIdent, Namespace, NameBinding<'ra>), ) { for (key, name_resolution) in resolver.as_ref().resolutions(self).borrow().iter() { if let Some(binding) = name_resolution.borrow().best_binding() { @@ -671,7 +673,7 @@ impl<'ra> Module<'ra> { fn for_each_child_mut<'tcx, R: AsMut<Resolver<'ra, 'tcx>>>( self, resolver: &mut R, - mut f: impl FnMut(&mut R, Ident, Namespace, NameBinding<'ra>), + mut f: impl FnMut(&mut R, Macros20NormalizedIdent, Namespace, NameBinding<'ra>), ) { for (key, name_resolution) in resolver.as_mut().resolutions(self).borrow().iter() { if let Some(binding) = name_resolution.borrow().best_binding() { @@ -1053,8 +1055,11 @@ pub struct Resolver<'ra, 'tcx> { graph_root: Module<'ra>, + /// Assert that we are in speculative resolution mode. + assert_speculative: bool, + prelude: Option<Module<'ra>>, - extern_prelude: FxIndexMap<Ident, ExternPreludeEntry<'ra>>, + extern_prelude: FxIndexMap<Macros20NormalizedIdent, ExternPreludeEntry<'ra>>, /// N.B., this is used only for better diagnostics, not name resolution itself. field_names: LocalDefIdMap<Vec<Ident>>, @@ -1155,10 +1160,11 @@ pub struct Resolver<'ra, 'tcx> { unused_macro_rules: FxIndexMap<NodeId, DenseBitSet<usize>>, proc_macro_stubs: FxHashSet<LocalDefId>, /// Traces collected during macro resolution and validated when it's complete. + // FIXME: Remove interior mutability when speculative resolution produces these as outputs. single_segment_macro_resolutions: - Vec<(Ident, MacroKind, ParentScope<'ra>, Option<NameBinding<'ra>>, Option<Span>)>, + RefCell<Vec<(Ident, MacroKind, ParentScope<'ra>, Option<NameBinding<'ra>>, Option<Span>)>>, multi_segment_macro_resolutions: - Vec<(Vec<Segment>, Span, MacroKind, ParentScope<'ra>, Option<Res>, Namespace)>, + RefCell<Vec<(Vec<Segment>, Span, MacroKind, ParentScope<'ra>, Option<Res>, Namespace)>>, builtin_attrs: Vec<(Ident, ParentScope<'ra>)>, /// `derive(Copy)` marks items they are applied to so they are treated specially later. /// Derive macros cannot modify the item themselves and have to store the markers in the global @@ -1499,7 +1505,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { && let name = Symbol::intern(name) && name.can_be_raw() { - Some((Ident::with_dummy_span(name), Default::default())) + Some((Macros20NormalizedIdent::with_dummy_span(name), Default::default())) } else { None } @@ -1507,9 +1513,11 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { .collect(); if !attr::contains_name(attrs, sym::no_core) { - extern_prelude.insert(Ident::with_dummy_span(sym::core), Default::default()); + extern_prelude + .insert(Macros20NormalizedIdent::with_dummy_span(sym::core), Default::default()); if !attr::contains_name(attrs, sym::no_std) { - extern_prelude.insert(Ident::with_dummy_span(sym::std), Default::default()); + extern_prelude + .insert(Macros20NormalizedIdent::with_dummy_span(sym::std), Default::default()); } } @@ -1524,6 +1532,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { // The outermost module has def ID 0; this is not reflected in the // AST. graph_root, + assert_speculative: false, // Only set/cleared in Resolver::resolve_imports for now prelude: None, extern_prelude, @@ -1641,7 +1650,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { impl_trait_names: Default::default(), }; - let root_parent_scope = ParentScope::module(graph_root, &resolver); + let root_parent_scope = ParentScope::module(graph_root, resolver.arenas); resolver.invocation_parent_scopes.insert(LocalExpnId::ROOT, root_parent_scope); resolver.feed_visibility(crate_feed, Visibility::Public); @@ -1789,6 +1798,14 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { } } + /// Returns a conditionally mutable resolver. + /// + /// Currently only dependent on `assert_speculative`, if `assert_speculative` is false, + /// the resolver will allow mutation; otherwise, it will be immutable. + fn cm(&mut self) -> CmResolver<'_, 'ra, 'tcx> { + CmResolver::new(self, !self.assert_speculative) + } + /// Runs the function on each namespace. fn per_ns<F: FnMut(&mut Self, Namespace)>(&mut self, mut f: F) { f(self, TypeNS); @@ -1796,6 +1813,15 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { f(self, MacroNS); } + fn per_ns_cm<'r, F: FnMut(&mut CmResolver<'r, 'ra, 'tcx>, Namespace)>( + mut self: CmResolver<'r, 'ra, 'tcx>, + mut f: F, + ) { + f(&mut self, TypeNS); + f(&mut self, ValueNS); + f(&mut self, MacroNS); + } + fn is_builtin_macro(&self, res: Res) -> bool { self.get_macro(res).is_some_and(|macro_data| macro_data.ext.builtin_name.is_some()) } @@ -1849,14 +1875,14 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { } } - self.visit_scopes(ScopeSet::All(TypeNS), parent_scope, ctxt, |this, scope, _, _| { + self.cm().visit_scopes(ScopeSet::All(TypeNS), parent_scope, ctxt, |this, scope, _, _| { match scope { Scope::Module(module, _) => { - this.traits_in_module(module, assoc_item, &mut found_traits); + this.get_mut().traits_in_module(module, assoc_item, &mut found_traits); } Scope::StdLibPrelude => { if let Some(module) = this.prelude { - this.traits_in_module(module, assoc_item, &mut found_traits); + this.get_mut().traits_in_module(module, assoc_item, &mut found_traits); } } Scope::ExternPrelude | Scope::ToolPrelude | Scope::BuiltinTypes => {} @@ -1879,7 +1905,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { for &(trait_name, trait_binding, trait_module) in traits.as_ref().unwrap().iter() { if self.trait_may_have_item(trait_module, assoc_item) { let def_id = trait_binding.res().def_id(); - let import_ids = self.find_transitive_imports(&trait_binding.kind, trait_name); + let import_ids = self.find_transitive_imports(&trait_binding.kind, trait_name.0); found_traits.push(TraitCandidate { def_id, import_ids }); } } @@ -1999,14 +2025,17 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { // Do not report the lint if the macro name resolves in stdlib prelude // even without the problematic `macro_use` import. let found_in_stdlib_prelude = self.prelude.is_some_and(|prelude| { - self.maybe_resolve_ident_in_module( - ModuleOrUniformRoot::Module(prelude), - ident, - MacroNS, - &ParentScope::module(self.empty_module, self), - None, - ) - .is_ok() + let empty_module = self.empty_module; + let arenas = self.arenas; + self.cm() + .maybe_resolve_ident_in_module( + ModuleOrUniformRoot::Module(prelude), + ident, + MacroNS, + &ParentScope::module(empty_module, arenas), + None, + ) + .is_ok() }); if !found_in_stdlib_prelude { self.lint_buffer().buffer_lint( @@ -2020,7 +2049,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { // Avoid marking `extern crate` items that refer to a name from extern prelude, // but not introduce it, as used if they are accessed from lexical scope. if used == Used::Scope { - if let Some(entry) = self.extern_prelude.get(&ident.normalize_to_macros_2_0()) { + if let Some(entry) = self.extern_prelude.get(&Macros20NormalizedIdent::new(ident)) { if !entry.introduced_by_item && entry.binding.get() == Some(used_binding) { return; } @@ -2177,9 +2206,13 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { } } - fn extern_prelude_get(&mut self, ident: Ident, finalize: bool) -> Option<NameBinding<'ra>> { + fn extern_prelude_get<'r>( + mut self: CmResolver<'r, 'ra, 'tcx>, + ident: Ident, + finalize: bool, + ) -> Option<NameBinding<'ra>> { let mut record_use = None; - let entry = self.extern_prelude.get(&ident.normalize_to_macros_2_0()); + let entry = self.extern_prelude.get(&Macros20NormalizedIdent::new(ident)); let binding = entry.and_then(|entry| match entry.binding.get() { Some(binding) if binding.is_import() => { if finalize { @@ -2213,7 +2246,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { }); if let Some(binding) = record_use { - self.record_use(ident, binding, Used::Scope); + self.get_mut().record_use(ident, binding, Used::Scope); } binding @@ -2248,7 +2281,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { .collect(); let Ok(segments) = segments else { return None }; - match self.maybe_resolve_path(&segments, Some(ns), &parent_scope, None) { + match self.cm().maybe_resolve_path(&segments, Some(ns), &parent_scope, None) { PathResult::Module(ModuleOrUniformRoot::Module(module)) => Some(module.res().unwrap()), PathResult::NonModule(path_res) => { path_res.full_res().filter(|res| !matches!(res, Res::Def(DefKind::Ctor(..), _))) @@ -2327,9 +2360,9 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { fn resolve_main(&mut self) { let module = self.graph_root; let ident = Ident::with_dummy_span(sym::main); - let parent_scope = &ParentScope::module(module, self); + let parent_scope = &ParentScope::module(module, self.arenas); - let Ok(name_binding) = self.maybe_resolve_ident_in_module( + let Ok(name_binding) = self.cm().maybe_resolve_ident_in_module( ModuleOrUniformRoot::Module(module), ident, ValueNS, @@ -2423,3 +2456,63 @@ impl Finalize { pub fn provide(providers: &mut Providers) { providers.registered_tools = macros::registered_tools; } + +mod ref_mut { + use std::ops::Deref; + + /// A wrapper around a mutable reference that conditionally allows mutable access. + pub(crate) struct RefOrMut<'a, T> { + p: &'a mut T, + mutable: bool, + } + + impl<'a, T> Deref for RefOrMut<'a, T> { + type Target = T; + + fn deref(&self) -> &Self::Target { + self.p + } + } + + impl<'a, T> AsRef<T> for RefOrMut<'a, T> { + fn as_ref(&self) -> &T { + self.p + } + } + + impl<'a, T> RefOrMut<'a, T> { + pub(crate) fn new(p: &'a mut T, mutable: bool) -> Self { + RefOrMut { p, mutable } + } + + /// This is needed because this wraps a `&mut T` and is therefore not `Copy`. + pub(crate) fn reborrow(&mut self) -> RefOrMut<'_, T> { + RefOrMut { p: self.p, mutable: self.mutable } + } + + /// Returns a mutable reference to the inner value if allowed. + /// + /// # Panics + /// Panics if the `mutable` flag is false. + #[track_caller] + pub(crate) fn get_mut(&mut self) -> &mut T { + match self.mutable { + false => panic!("Can't mutably borrow speculative resolver"), + true => self.p, + } + } + + /// Returns a mutable reference to the inner value without checking if + /// it's in a mutable state. + pub(crate) fn get_mut_unchecked(&mut self) -> &mut T { + self.p + } + } +} + +/// A wrapper around `&mut Resolver` that may be mutable or immutable, depending on a conditions. +/// +/// `Cm` stands for "conditionally mutable". +/// +/// Prefer constructing it through [`Resolver::cm`] to ensure correctness. +type CmResolver<'r, 'ra, 'tcx> = ref_mut::RefOrMut<'r, Resolver<'ra, 'tcx>>; diff --git a/compiler/rustc_resolve/src/macros.rs b/compiler/rustc_resolve/src/macros.rs index 4e3c0cd5bc0..dae3c9dfad5 100644 --- a/compiler/rustc_resolve/src/macros.rs +++ b/compiler/rustc_resolve/src/macros.rs @@ -41,9 +41,9 @@ use crate::errors::{ }; use crate::imports::Import; use crate::{ - BindingKey, DeriveData, Determinacy, Finalize, InvocationParent, MacroData, ModuleKind, - ModuleOrUniformRoot, NameBinding, NameBindingKind, ParentScope, PathResult, ResolutionError, - Resolver, ScopeSet, Segment, Used, + BindingKey, CmResolver, DeriveData, Determinacy, Finalize, InvocationParent, MacroData, + ModuleKind, ModuleOrUniformRoot, NameBinding, NameBindingKind, ParentScope, PathResult, + ResolutionError, Resolver, ScopeSet, Segment, Used, }; type Res = def::Res<NodeId>; @@ -403,7 +403,7 @@ impl<'ra, 'tcx> ResolverExpand for Resolver<'ra, 'tcx> { for (i, resolution) in entry.resolutions.iter_mut().enumerate() { if resolution.exts.is_none() { resolution.exts = Some( - match self.resolve_macro_path( + match self.cm().resolve_macro_path( &resolution.path, Some(MacroKind::Derive), &parent_scope, @@ -536,11 +536,11 @@ impl<'ra, 'tcx> ResolverExpand for Resolver<'ra, 'tcx> { target_trait.for_each_child(self, |this, ident, ns, _binding| { // FIXME: Adjust hygiene for idents from globs, like for glob imports. if let Some(overriding_keys) = this.impl_binding_keys.get(&impl_def_id) - && overriding_keys.contains(&BindingKey::new(ident, ns)) + && overriding_keys.contains(&BindingKey::new(ident.0, ns)) { // The name is overridden, do not produce it from the glob delegation. } else { - idents.push((ident, None)); + idents.push((ident.0, None)); } }); Ok(idents) @@ -568,7 +568,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { invoc_in_mod_inert_attr: Option<LocalDefId>, suggestion_span: Option<Span>, ) -> Result<(Arc<SyntaxExtension>, Res), Indeterminate> { - let (ext, res) = match self.resolve_macro_or_delegation_path( + let (ext, res) = match self.cm().resolve_macro_or_delegation_path( path, Some(kind), parent_scope, @@ -713,8 +713,8 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { Ok((ext, res)) } - pub(crate) fn resolve_macro_path( - &mut self, + pub(crate) fn resolve_macro_path<'r>( + self: CmResolver<'r, 'ra, 'tcx>, path: &ast::Path, kind: Option<MacroKind>, parent_scope: &ParentScope<'ra>, @@ -736,8 +736,8 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { ) } - fn resolve_macro_or_delegation_path( - &mut self, + fn resolve_macro_or_delegation_path<'r>( + mut self: CmResolver<'r, 'ra, 'tcx>, ast_path: &ast::Path, kind: Option<MacroKind>, parent_scope: &ParentScope<'ra>, @@ -763,7 +763,12 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { let res = if deleg_impl.is_some() || path.len() > 1 { let ns = if deleg_impl.is_some() { TypeNS } else { MacroNS }; - let res = match self.maybe_resolve_path(&path, Some(ns), parent_scope, ignore_import) { + let res = match self.reborrow().maybe_resolve_path( + &path, + Some(ns), + parent_scope, + ignore_import, + ) { PathResult::NonModule(path_res) if let Some(res) = path_res.full_res() => Ok(res), PathResult::Indeterminate if !force => return Err(Determinacy::Undetermined), PathResult::NonModule(..) @@ -777,7 +782,8 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { if trace { let kind = kind.expect("macro kind must be specified if tracing is enabled"); - self.multi_segment_macro_resolutions.push(( + // FIXME: Should be an output of Speculative Resolution. + self.multi_segment_macro_resolutions.borrow_mut().push(( path, path_span, kind, @@ -791,7 +797,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { res } else { let scope_set = kind.map_or(ScopeSet::All(MacroNS), ScopeSet::Macro); - let binding = self.early_resolve_ident_in_lexical_scope( + let binding = self.reborrow().early_resolve_ident_in_lexical_scope( path[0].ident, scope_set, parent_scope, @@ -806,7 +812,8 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { if trace { let kind = kind.expect("macro kind must be specified if tracing is enabled"); - self.single_segment_macro_resolutions.push(( + // FIXME: Should be an output of Speculative Resolution. + self.single_segment_macro_resolutions.borrow_mut().push(( path[0].ident, kind, *parent_scope, @@ -817,7 +824,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { let res = binding.map(|binding| binding.res()); self.prohibit_imported_non_macro_attrs(binding.ok(), res.ok(), path_span); - self.report_out_of_scope_macro_calls( + self.reborrow().report_out_of_scope_macro_calls( ast_path, parent_scope, invoc_in_mod_inert_attr, @@ -872,13 +879,14 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { } }; - let macro_resolutions = mem::take(&mut self.multi_segment_macro_resolutions); + // FIXME: Should be an output of Speculative Resolution. + let macro_resolutions = self.multi_segment_macro_resolutions.take(); for (mut path, path_span, kind, parent_scope, initial_res, ns) in macro_resolutions { // FIXME: Path resolution will ICE if segment IDs present. for seg in &mut path { seg.id = None; } - match self.resolve_path( + match self.cm().resolve_path( &path, Some(ns), &parent_scope, @@ -905,8 +913,9 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { path_res { // try to suggest if it's not a macro, maybe a function - if let PathResult::NonModule(partial_res) = - self.maybe_resolve_path(&path, Some(ValueNS), &parent_scope, None) + if let PathResult::NonModule(partial_res) = self + .cm() + .maybe_resolve_path(&path, Some(ValueNS), &parent_scope, None) && partial_res.unresolved_segments() == 0 { let sm = self.tcx.sess.source_map(); @@ -948,9 +957,10 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { } } - let macro_resolutions = mem::take(&mut self.single_segment_macro_resolutions); + // FIXME: Should be an output of Speculative Resolution. + let macro_resolutions = self.single_segment_macro_resolutions.take(); for (ident, kind, parent_scope, initial_binding, sugg_span) in macro_resolutions { - match self.early_resolve_ident_in_lexical_scope( + match self.cm().early_resolve_ident_in_lexical_scope( ident, ScopeSet::Macro(kind), &parent_scope, @@ -1005,7 +1015,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { let builtin_attrs = mem::take(&mut self.builtin_attrs); for (ident, parent_scope) in builtin_attrs { - let _ = self.early_resolve_ident_in_lexical_scope( + let _ = self.cm().early_resolve_ident_in_lexical_scope( ident, ScopeSet::Macro(MacroKind::Attr), &parent_scope, @@ -1090,8 +1100,8 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { } } - fn report_out_of_scope_macro_calls( - &mut self, + fn report_out_of_scope_macro_calls<'r>( + mut self: CmResolver<'r, 'ra, 'tcx>, path: &ast::Path, parent_scope: &ParentScope<'ra>, invoc_in_mod_inert_attr: Option<(LocalDefId, NodeId)>, @@ -1110,7 +1120,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { // If such resolution is successful and gives the same result // (e.g. if the macro is re-imported), then silence the lint. let no_macro_rules = self.arenas.alloc_macro_rules_scope(MacroRulesScope::Empty); - let fallback_binding = self.early_resolve_ident_in_lexical_scope( + let fallback_binding = self.reborrow().early_resolve_ident_in_lexical_scope( path.segments[0].ident, ScopeSet::Macro(MacroKind::Bang), &ParentScope { macro_rules: no_macro_rules, ..*parent_scope }, @@ -1206,7 +1216,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { let mut indeterminate = false; for ns in namespaces { - match self.maybe_resolve_path(path, Some(*ns), &parent_scope, None) { + match self.cm().maybe_resolve_path(path, Some(*ns), &parent_scope, None) { PathResult::Module(ModuleOrUniformRoot::Module(_)) => return Ok(true), PathResult::NonModule(partial_res) if partial_res.unresolved_segments() == 0 => { return Ok(true); diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs index 3f72ccd9f89..d647ec28aae 100644 --- a/compiler/rustc_span/src/lib.rs +++ b/compiler/rustc_span/src/lib.rs @@ -66,7 +66,8 @@ pub use span_encoding::{DUMMY_SP, Span}; pub mod symbol; pub use symbol::{ - ByteSymbol, Ident, MacroRulesNormalizedIdent, STDLIB_STABLE_CRATES, Symbol, kw, sym, + ByteSymbol, Ident, MacroRulesNormalizedIdent, Macros20NormalizedIdent, STDLIB_STABLE_CRATES, + Symbol, kw, sym, }; mod analyze_source_file; diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index d54175548e3..36197950221 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -3,6 +3,7 @@ //! type, and vice versa. use std::hash::{Hash, Hasher}; +use std::ops::Deref; use std::{fmt, str}; use rustc_arena::DroplessArena; @@ -1512,6 +1513,7 @@ symbols! { not, notable_trait, note, + nvptx_target_feature, object_safe_for_dispatch, of, off, @@ -2562,16 +2564,17 @@ impl fmt::Display for IdentPrinter { } /// An newtype around `Ident` that calls [Ident::normalize_to_macro_rules] on -/// construction. -// FIXME(matthewj, petrochenkov) Use this more often, add a similar -// `ModernIdent` struct and use that as well. +/// construction for "local variable hygiene" comparisons. +/// +/// Use this type when you need to compare identifiers according to macro_rules hygiene. +/// This ensures compile-time safety and avoids manual normalization calls. #[derive(Copy, Clone, Eq, PartialEq, Hash)] pub struct MacroRulesNormalizedIdent(Ident); impl MacroRulesNormalizedIdent { #[inline] pub fn new(ident: Ident) -> Self { - Self(ident.normalize_to_macro_rules()) + MacroRulesNormalizedIdent(ident.normalize_to_macro_rules()) } } @@ -2587,6 +2590,48 @@ impl fmt::Display for MacroRulesNormalizedIdent { } } +/// An newtype around `Ident` that calls [Ident::normalize_to_macros_2_0] on +/// construction for "item hygiene" comparisons. +/// +/// Identifiers with same string value become same if they came from the same macro 2.0 macro +/// (e.g., `macro` item, but not `macro_rules` item) and stay different if they came from +/// different macro 2.0 macros. +#[derive(Copy, Clone, Eq, PartialEq, Hash)] +pub struct Macros20NormalizedIdent(pub Ident); + +impl Macros20NormalizedIdent { + #[inline] + pub fn new(ident: Ident) -> Self { + Macros20NormalizedIdent(ident.normalize_to_macros_2_0()) + } + + // dummy_span does not need to be normalized, so we can use `Ident` directly + pub fn with_dummy_span(name: Symbol) -> Self { + Macros20NormalizedIdent(Ident::with_dummy_span(name)) + } +} + +impl fmt::Debug for Macros20NormalizedIdent { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + fmt::Debug::fmt(&self.0, f) + } +} + +impl fmt::Display for Macros20NormalizedIdent { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + fmt::Display::fmt(&self.0, f) + } +} + +/// By impl Deref, we can access the wrapped Ident as if it were a normal Ident +/// such as `norm_ident.name` instead of `norm_ident.0.name`. +impl Deref for Macros20NormalizedIdent { + type Target = Ident; + fn deref(&self) -> &Self::Target { + &self.0 + } +} + /// An interned UTF-8 string. /// /// Internally, a `Symbol` is implemented as an index, and all operations diff --git a/compiler/rustc_symbol_mangling/src/legacy.rs b/compiler/rustc_symbol_mangling/src/legacy.rs index aa8292c0504..a7f64085bd9 100644 --- a/compiler/rustc_symbol_mangling/src/legacy.rs +++ b/compiler/rustc_symbol_mangling/src/legacy.rs @@ -234,7 +234,9 @@ impl<'tcx> Printer<'tcx> for SymbolPrinter<'tcx> { } fn print_region(&mut self, _region: ty::Region<'_>) -> Result<(), PrintError> { - unreachable!(); // because `<Self As PrettyPrinter>::should_print_region` returns false + // This might be reachable (via `pretty_print_dyn_existential`) even though + // `<Self As PrettyPrinter>::should_print_region` returns false. See #144994. + Ok(()) } fn print_type(&mut self, ty: Ty<'tcx>) -> Result<(), PrintError> { diff --git a/compiler/rustc_target/src/target_features.rs b/compiler/rustc_target/src/target_features.rs index b2af99228fe..297d9ed84c5 100644 --- a/compiler/rustc_target/src/target_features.rs +++ b/compiler/rustc_target/src/target_features.rs @@ -517,6 +517,71 @@ const MIPS_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[ // tidy-alphabetical-end ]; +const NVPTX_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[ + // tidy-alphabetical-start + ("sm_20", Unstable(sym::nvptx_target_feature), &[]), + ("sm_21", Unstable(sym::nvptx_target_feature), &["sm_20"]), + ("sm_30", Unstable(sym::nvptx_target_feature), &["sm_21"]), + ("sm_32", Unstable(sym::nvptx_target_feature), &["sm_30"]), + ("sm_35", Unstable(sym::nvptx_target_feature), &["sm_32"]), + ("sm_37", Unstable(sym::nvptx_target_feature), &["sm_35"]), + ("sm_50", Unstable(sym::nvptx_target_feature), &["sm_37"]), + ("sm_52", Unstable(sym::nvptx_target_feature), &["sm_50"]), + ("sm_53", Unstable(sym::nvptx_target_feature), &["sm_52"]), + ("sm_60", Unstable(sym::nvptx_target_feature), &["sm_53"]), + ("sm_61", Unstable(sym::nvptx_target_feature), &["sm_60"]), + ("sm_62", Unstable(sym::nvptx_target_feature), &["sm_61"]), + ("sm_70", Unstable(sym::nvptx_target_feature), &["sm_62"]), + ("sm_72", Unstable(sym::nvptx_target_feature), &["sm_70"]), + ("sm_75", Unstable(sym::nvptx_target_feature), &["sm_72"]), + ("sm_80", Unstable(sym::nvptx_target_feature), &["sm_75"]), + ("sm_86", Unstable(sym::nvptx_target_feature), &["sm_80"]), + ("sm_87", Unstable(sym::nvptx_target_feature), &["sm_86"]), + ("sm_89", Unstable(sym::nvptx_target_feature), &["sm_87"]), + ("sm_90", Unstable(sym::nvptx_target_feature), &["sm_89"]), + ("sm_90a", Unstable(sym::nvptx_target_feature), &["sm_90"]), + // tidy-alphabetical-end + // tidy-alphabetical-start + ("sm_100", Unstable(sym::nvptx_target_feature), &["sm_90"]), + ("sm_100a", Unstable(sym::nvptx_target_feature), &["sm_100"]), + ("sm_101", Unstable(sym::nvptx_target_feature), &["sm_100"]), + ("sm_101a", Unstable(sym::nvptx_target_feature), &["sm_101"]), + ("sm_120", Unstable(sym::nvptx_target_feature), &["sm_101"]), + ("sm_120a", Unstable(sym::nvptx_target_feature), &["sm_120"]), + // tidy-alphabetical-end + // tidy-alphabetical-start + ("ptx32", Unstable(sym::nvptx_target_feature), &[]), + ("ptx40", Unstable(sym::nvptx_target_feature), &["ptx32"]), + ("ptx41", Unstable(sym::nvptx_target_feature), &["ptx40"]), + ("ptx42", Unstable(sym::nvptx_target_feature), &["ptx41"]), + ("ptx43", Unstable(sym::nvptx_target_feature), &["ptx42"]), + ("ptx50", Unstable(sym::nvptx_target_feature), &["ptx43"]), + ("ptx60", Unstable(sym::nvptx_target_feature), &["ptx50"]), + ("ptx61", Unstable(sym::nvptx_target_feature), &["ptx60"]), + ("ptx62", Unstable(sym::nvptx_target_feature), &["ptx61"]), + ("ptx63", Unstable(sym::nvptx_target_feature), &["ptx62"]), + ("ptx64", Unstable(sym::nvptx_target_feature), &["ptx63"]), + ("ptx65", Unstable(sym::nvptx_target_feature), &["ptx64"]), + ("ptx70", Unstable(sym::nvptx_target_feature), &["ptx65"]), + ("ptx71", Unstable(sym::nvptx_target_feature), &["ptx70"]), + ("ptx72", Unstable(sym::nvptx_target_feature), &["ptx71"]), + ("ptx73", Unstable(sym::nvptx_target_feature), &["ptx72"]), + ("ptx74", Unstable(sym::nvptx_target_feature), &["ptx73"]), + ("ptx75", Unstable(sym::nvptx_target_feature), &["ptx74"]), + ("ptx76", Unstable(sym::nvptx_target_feature), &["ptx75"]), + ("ptx77", Unstable(sym::nvptx_target_feature), &["ptx76"]), + ("ptx78", Unstable(sym::nvptx_target_feature), &["ptx77"]), + ("ptx80", Unstable(sym::nvptx_target_feature), &["ptx78"]), + ("ptx81", Unstable(sym::nvptx_target_feature), &["ptx80"]), + ("ptx82", Unstable(sym::nvptx_target_feature), &["ptx81"]), + ("ptx83", Unstable(sym::nvptx_target_feature), &["ptx82"]), + ("ptx84", Unstable(sym::nvptx_target_feature), &["ptx83"]), + ("ptx85", Unstable(sym::nvptx_target_feature), &["ptx84"]), + ("ptx86", Unstable(sym::nvptx_target_feature), &["ptx85"]), + ("ptx87", Unstable(sym::nvptx_target_feature), &["ptx86"]), + // tidy-alphabetical-end +]; + static RISCV_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[ // tidy-alphabetical-start ("a", Stable, &["zaamo", "zalrsc"]), @@ -782,6 +847,7 @@ pub fn all_rust_features() -> impl Iterator<Item = (&'static str, Stability)> { .chain(HEXAGON_FEATURES.iter()) .chain(POWERPC_FEATURES.iter()) .chain(MIPS_FEATURES.iter()) + .chain(NVPTX_FEATURES.iter()) .chain(RISCV_FEATURES.iter()) .chain(WASM_FEATURES.iter()) .chain(BPF_FEATURES.iter()) @@ -847,6 +913,7 @@ impl Target { "x86" | "x86_64" => X86_FEATURES, "hexagon" => HEXAGON_FEATURES, "mips" | "mips32r6" | "mips64" | "mips64r6" => MIPS_FEATURES, + "nvptx64" => NVPTX_FEATURES, "powerpc" | "powerpc64" => POWERPC_FEATURES, "riscv32" | "riscv64" => RISCV_FEATURES, "wasm32" | "wasm64" => WASM_FEATURES, @@ -873,7 +940,7 @@ impl Target { "sparc" | "sparc64" => SPARC_FEATURES_FOR_CORRECT_VECTOR_ABI, "hexagon" => HEXAGON_FEATURES_FOR_CORRECT_VECTOR_ABI, "mips" | "mips32r6" | "mips64" | "mips64r6" => MIPS_FEATURES_FOR_CORRECT_VECTOR_ABI, - "bpf" | "m68k" => &[], // no vector ABI + "nvptx64" | "bpf" | "m68k" => &[], // no vector ABI "csky" => CSKY_FEATURES_FOR_CORRECT_VECTOR_ABI, // FIXME: for some tier3 targets, we are overly cautious and always give warnings // when passing args in vector registers. diff --git a/compiler/rustc_thread_pool/Cargo.toml b/compiler/rustc_thread_pool/Cargo.toml index b0194834264..c92984470b7 100644 --- a/compiler/rustc_thread_pool/Cargo.toml +++ b/compiler/rustc_thread_pool/Cargo.toml @@ -7,7 +7,6 @@ authors = [ ] description = "Core APIs for Rayon - fork for rustc" license = "MIT OR Apache-2.0" -rust-version = "1.63" edition = "2021" readme = "README.md" keywords = ["parallel", "thread", "concurrency", "join", "performance"] diff --git a/library/alloc/src/collections/btree/map.rs b/library/alloc/src/collections/btree/map.rs index 17c16e4aaff..acbbb6df9a5 100644 --- a/library/alloc/src/collections/btree/map.rs +++ b/library/alloc/src/collections/btree/map.rs @@ -382,6 +382,7 @@ impl<'a, K: 'a, V: 'a> Default for Iter<'a, K, V> { /// documentation for more. /// /// [`iter_mut`]: BTreeMap::iter_mut +#[must_use = "iterators are lazy and do nothing unless consumed"] #[stable(feature = "rust1", since = "1.0.0")] pub struct IterMut<'a, K: 'a, V: 'a> { range: LazyLeafRange<marker::ValMut<'a>, K, V>, @@ -391,7 +392,6 @@ pub struct IterMut<'a, K: 'a, V: 'a> { _marker: PhantomData<&'a mut (K, V)>, } -#[must_use = "iterators are lazy and do nothing unless consumed"] #[stable(feature = "collection_debug", since = "1.17.0")] impl<K: fmt::Debug, V: fmt::Debug> fmt::Debug for IterMut<'_, K, V> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { diff --git a/library/alloc/src/ffi/c_str.rs b/library/alloc/src/ffi/c_str.rs index 93bdad75380..fe6c89a3094 100644 --- a/library/alloc/src/ffi/c_str.rs +++ b/library/alloc/src/ffi/c_str.rs @@ -1099,7 +1099,7 @@ impl From<&CStr> for CString { } } -#[stable(feature = "c_string_eq_c_str", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "c_string_eq_c_str", since = "1.90.0")] impl PartialEq<CStr> for CString { #[inline] fn eq(&self, other: &CStr) -> bool { @@ -1112,7 +1112,7 @@ impl PartialEq<CStr> for CString { } } -#[stable(feature = "c_string_eq_c_str", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "c_string_eq_c_str", since = "1.90.0")] impl PartialEq<&CStr> for CString { #[inline] fn eq(&self, other: &&CStr) -> bool { @@ -1126,7 +1126,7 @@ impl PartialEq<&CStr> for CString { } #[cfg(not(no_global_oom_handling))] -#[stable(feature = "c_string_eq_c_str", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "c_string_eq_c_str", since = "1.90.0")] impl PartialEq<Cow<'_, CStr>> for CString { #[inline] fn eq(&self, other: &Cow<'_, CStr>) -> bool { @@ -1221,7 +1221,7 @@ impl CStr { } } -#[stable(feature = "c_string_eq_c_str", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "c_string_eq_c_str", since = "1.90.0")] impl PartialEq<CString> for CStr { #[inline] fn eq(&self, other: &CString) -> bool { @@ -1235,7 +1235,7 @@ impl PartialEq<CString> for CStr { } #[cfg(not(no_global_oom_handling))] -#[stable(feature = "c_string_eq_c_str", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "c_string_eq_c_str", since = "1.90.0")] impl PartialEq<Cow<'_, Self>> for CStr { #[inline] fn eq(&self, other: &Cow<'_, Self>) -> bool { @@ -1249,7 +1249,7 @@ impl PartialEq<Cow<'_, Self>> for CStr { } #[cfg(not(no_global_oom_handling))] -#[stable(feature = "c_string_eq_c_str", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "c_string_eq_c_str", since = "1.90.0")] impl PartialEq<CStr> for Cow<'_, CStr> { #[inline] fn eq(&self, other: &CStr) -> bool { @@ -1263,7 +1263,7 @@ impl PartialEq<CStr> for Cow<'_, CStr> { } #[cfg(not(no_global_oom_handling))] -#[stable(feature = "c_string_eq_c_str", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "c_string_eq_c_str", since = "1.90.0")] impl PartialEq<&CStr> for Cow<'_, CStr> { #[inline] fn eq(&self, other: &&CStr) -> bool { @@ -1277,7 +1277,7 @@ impl PartialEq<&CStr> for Cow<'_, CStr> { } #[cfg(not(no_global_oom_handling))] -#[stable(feature = "c_string_eq_c_str", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "c_string_eq_c_str", since = "1.90.0")] impl PartialEq<CString> for Cow<'_, CStr> { #[inline] fn eq(&self, other: &CString) -> bool { diff --git a/library/core/src/any.rs b/library/core/src/any.rs index 38393379a78..ceb9748e7fe 100644 --- a/library/core/src/any.rs +++ b/library/core/src/any.rs @@ -725,7 +725,7 @@ unsafe impl Send for TypeId {} unsafe impl Sync for TypeId {} #[stable(feature = "rust1", since = "1.0.0")] -#[rustc_const_unstable(feature = "const_type_id", issue = "77125")] +#[rustc_const_unstable(feature = "const_cmp", issue = "143800")] impl const PartialEq for TypeId { #[inline] fn eq(&self, other: &Self) -> bool { @@ -773,7 +773,7 @@ impl TypeId { /// ``` #[must_use] #[stable(feature = "rust1", since = "1.0.0")] - #[rustc_const_unstable(feature = "const_type_id", issue = "77125")] + #[rustc_const_stable(feature = "const_type_id", since = "CURRENT_RUSTC_VERSION")] pub const fn of<T: ?Sized + 'static>() -> TypeId { const { intrinsics::type_id::<T>() } } diff --git a/library/core/src/array/mod.rs b/library/core/src/array/mod.rs index 1c23218552a..b3a498570f9 100644 --- a/library/core/src/array/mod.rs +++ b/library/core/src/array/mod.rs @@ -378,7 +378,7 @@ impl<'a, T, const N: usize> IntoIterator for &'a mut [T; N] { #[rustc_const_unstable(feature = "const_index", issue = "143775")] impl<T, I, const N: usize> const Index<I> for [T; N] where - [T]: ~const Index<I>, + [T]: [const] Index<I>, { type Output = <[T] as Index<I>>::Output; @@ -392,7 +392,7 @@ where #[rustc_const_unstable(feature = "const_index", issue = "143775")] impl<T, I, const N: usize> const IndexMut<I> for [T; N] where - [T]: ~const IndexMut<I>, + [T]: [const] IndexMut<I>, { #[inline] fn index_mut(&mut self, index: I) -> &mut Self::Output { diff --git a/library/core/src/cell.rs b/library/core/src/cell.rs index d67408cae1b..c639d50cc3d 100644 --- a/library/core/src/cell.rs +++ b/library/core/src/cell.rs @@ -334,7 +334,7 @@ impl<T: Copy> Clone for Cell<T> { #[stable(feature = "rust1", since = "1.0.0")] #[rustc_const_unstable(feature = "const_default", issue = "143894")] -impl<T: ~const Default> const Default for Cell<T> { +impl<T: [const] Default> const Default for Cell<T> { /// Creates a `Cell<T>`, with the `Default` value for T. #[inline] fn default() -> Cell<T> { @@ -1325,7 +1325,7 @@ impl<T: Clone> Clone for RefCell<T> { #[stable(feature = "rust1", since = "1.0.0")] #[rustc_const_unstable(feature = "const_default", issue = "143894")] -impl<T: ~const Default> const Default for RefCell<T> { +impl<T: [const] Default> const Default for RefCell<T> { /// Creates a `RefCell<T>`, with the `Default` value for T. #[inline] fn default() -> RefCell<T> { @@ -2333,7 +2333,7 @@ impl<T: ?Sized> UnsafeCell<T> { #[stable(feature = "unsafe_cell_default", since = "1.10.0")] #[rustc_const_unstable(feature = "const_default", issue = "143894")] -impl<T: ~const Default> const Default for UnsafeCell<T> { +impl<T: [const] Default> const Default for UnsafeCell<T> { /// Creates an `UnsafeCell`, with the `Default` value for T. fn default() -> UnsafeCell<T> { UnsafeCell::new(Default::default()) @@ -2438,7 +2438,7 @@ impl<T: ?Sized> SyncUnsafeCell<T> { #[unstable(feature = "sync_unsafe_cell", issue = "95439")] #[rustc_const_unstable(feature = "const_default", issue = "143894")] -impl<T: ~const Default> const Default for SyncUnsafeCell<T> { +impl<T: [const] Default> const Default for SyncUnsafeCell<T> { /// Creates an `SyncUnsafeCell`, with the `Default` value for T. fn default() -> SyncUnsafeCell<T> { SyncUnsafeCell::new(Default::default()) diff --git a/library/core/src/clone.rs b/library/core/src/clone.rs index 51d037ddfd2..e315c4fac08 100644 --- a/library/core/src/clone.rs +++ b/library/core/src/clone.rs @@ -212,7 +212,7 @@ pub trait Clone: Sized { #[stable(feature = "rust1", since = "1.0.0")] fn clone_from(&mut self, source: &Self) where - Self: ~const Destruct, + Self: [const] Destruct, { *self = source.clone() } diff --git a/library/core/src/cmp.rs b/library/core/src/cmp.rs index 1b9af10a6fd..a64fade285b 100644 --- a/library/core/src/cmp.rs +++ b/library/core/src/cmp.rs @@ -2022,7 +2022,7 @@ mod impls { #[rustc_const_unstable(feature = "const_cmp", issue = "143800")] impl<A: PointeeSized, B: PointeeSized> const PartialEq<&B> for &A where - A: ~const PartialEq<B>, + A: [const] PartialEq<B>, { #[inline] fn eq(&self, other: &&B) -> bool { @@ -2094,7 +2094,7 @@ mod impls { #[rustc_const_unstable(feature = "const_cmp", issue = "143800")] impl<A: PointeeSized, B: PointeeSized> const PartialEq<&mut B> for &mut A where - A: ~const PartialEq<B>, + A: [const] PartialEq<B>, { #[inline] fn eq(&self, other: &&mut B) -> bool { @@ -2164,7 +2164,7 @@ mod impls { #[rustc_const_unstable(feature = "const_cmp", issue = "143800")] impl<A: PointeeSized, B: PointeeSized> const PartialEq<&mut B> for &A where - A: ~const PartialEq<B>, + A: [const] PartialEq<B>, { #[inline] fn eq(&self, other: &&mut B) -> bool { @@ -2180,7 +2180,7 @@ mod impls { #[rustc_const_unstable(feature = "const_cmp", issue = "143800")] impl<A: PointeeSized, B: PointeeSized> const PartialEq<&B> for &mut A where - A: ~const PartialEq<B>, + A: [const] PartialEq<B>, { #[inline] fn eq(&self, other: &&B) -> bool { diff --git a/library/core/src/cmp/bytewise.rs b/library/core/src/cmp/bytewise.rs index 7d61c9345ec..a06a6e8b69a 100644 --- a/library/core/src/cmp/bytewise.rs +++ b/library/core/src/cmp/bytewise.rs @@ -19,7 +19,7 @@ use crate::num::NonZero; #[rustc_specialization_trait] #[const_trait] pub(crate) unsafe trait BytewiseEq<Rhs = Self>: - ~const PartialEq<Rhs> + Sized + [const] PartialEq<Rhs> + Sized { } diff --git a/library/core/src/convert/mod.rs b/library/core/src/convert/mod.rs index 220a24caf09..0c3034c3d4c 100644 --- a/library/core/src/convert/mod.rs +++ b/library/core/src/convert/mod.rs @@ -717,7 +717,7 @@ pub trait TryFrom<T>: Sized { #[rustc_const_unstable(feature = "const_try", issue = "74935")] impl<T: PointeeSized, U: PointeeSized> const AsRef<U> for &T where - T: ~const AsRef<U>, + T: [const] AsRef<U>, { #[inline] fn as_ref(&self) -> &U { @@ -730,7 +730,7 @@ where #[rustc_const_unstable(feature = "const_try", issue = "74935")] impl<T: PointeeSized, U: PointeeSized> const AsRef<U> for &mut T where - T: ~const AsRef<U>, + T: [const] AsRef<U>, { #[inline] fn as_ref(&self) -> &U { @@ -751,7 +751,7 @@ where #[rustc_const_unstable(feature = "const_try", issue = "74935")] impl<T: PointeeSized, U: PointeeSized> const AsMut<U> for &mut T where - T: ~const AsMut<U>, + T: [const] AsMut<U>, { #[inline] fn as_mut(&mut self) -> &mut U { @@ -772,7 +772,7 @@ where #[rustc_const_unstable(feature = "const_from", issue = "143773")] impl<T, U> const Into<U> for T where - U: ~const From<T>, + U: [const] From<T>, { /// Calls `U::from(self)`. /// @@ -816,7 +816,7 @@ impl<T> const From<!> for T { #[rustc_const_unstable(feature = "const_from", issue = "143773")] impl<T, U> const TryInto<U> for T where - U: ~const TryFrom<T>, + U: [const] TryFrom<T>, { type Error = U::Error; @@ -832,7 +832,7 @@ where #[rustc_const_unstable(feature = "const_from", issue = "143773")] impl<T, U> const TryFrom<U> for T where - U: ~const Into<T>, + U: [const] Into<T>, { type Error = Infallible; diff --git a/library/core/src/ffi/c_str.rs b/library/core/src/ffi/c_str.rs index c43f3834630..e6b599fafcf 100644 --- a/library/core/src/ffi/c_str.rs +++ b/library/core/src/ffi/c_str.rs @@ -652,7 +652,7 @@ impl CStr { } } -#[stable(feature = "c_string_eq_c_str", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "c_string_eq_c_str", since = "1.90.0")] impl PartialEq<&Self> for CStr { #[inline] fn eq(&self, other: &&Self) -> bool { diff --git a/library/core/src/intrinsics/mod.rs b/library/core/src/intrinsics/mod.rs index 106cc725fee..05b0522c202 100644 --- a/library/core/src/intrinsics/mod.rs +++ b/library/core/src/intrinsics/mod.rs @@ -1828,7 +1828,7 @@ pub const fn three_way_compare<T: Copy>(lhs: T, rhss: T) -> crate::cmp::Ordering #[rustc_intrinsic] #[track_caller] #[miri::intrinsic_fallback_is_spec] // the fallbacks all `assume` to tell Miri -pub const unsafe fn disjoint_bitor<T: ~const fallback::DisjointBitOr>(a: T, b: T) -> T { +pub const unsafe fn disjoint_bitor<T: [const] fallback::DisjointBitOr>(a: T, b: T) -> T { // SAFETY: same preconditions as this function. unsafe { fallback::DisjointBitOr::disjoint_bitor(a, b) } } @@ -1897,7 +1897,7 @@ pub const fn mul_with_overflow<T: Copy>(x: T, y: T) -> (T, bool); #[rustc_nounwind] #[rustc_intrinsic] #[miri::intrinsic_fallback_is_spec] -pub const fn carrying_mul_add<T: ~const fallback::CarryingMulAdd<Unsigned = U>, U>( +pub const fn carrying_mul_add<T: [const] fallback::CarryingMulAdd<Unsigned = U>, U>( multiplier: T, multiplicand: T, addend: T, @@ -2667,7 +2667,7 @@ pub unsafe fn vtable_align(ptr: *const ()) -> usize; /// More specifically, this is the offset in bytes between successive /// items of the same type, including alignment padding. /// -/// The stabilized version of this intrinsic is [`size_of`]. +/// The stabilized version of this intrinsic is [`core::mem::size_of`]. #[rustc_nounwind] #[unstable(feature = "core_intrinsics", issue = "none")] #[rustc_intrinsic_const_stable_indirect] @@ -2681,7 +2681,7 @@ pub const fn size_of<T>() -> usize; /// Therefore, implementations must not require the user to uphold /// any safety invariants. /// -/// The stabilized version of this intrinsic is [`align_of`]. +/// The stabilized version of this intrinsic is [`core::mem::align_of`]. #[rustc_nounwind] #[unstable(feature = "core_intrinsics", issue = "none")] #[rustc_intrinsic_const_stable_indirect] @@ -2704,7 +2704,7 @@ pub const fn variant_count<T>() -> usize; /// The size of the referenced value in bytes. /// -/// The stabilized version of this intrinsic is [`size_of_val`]. +/// The stabilized version of this intrinsic is [`core::mem::size_of_val`]. /// /// # Safety /// @@ -2717,7 +2717,7 @@ pub const unsafe fn size_of_val<T: ?Sized>(ptr: *const T) -> usize; /// The required alignment of the referenced value. /// -/// The stabilized version of this intrinsic is [`align_of_val`]. +/// The stabilized version of this intrinsic is [`core::mem::align_of_val`]. /// /// # Safety /// diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs index 3c33f4b1368..d5bce6ad233 100644 --- a/library/core/src/lib.rs +++ b/library/core/src/lib.rs @@ -195,6 +195,7 @@ #![feature(hexagon_target_feature)] #![feature(loongarch_target_feature)] #![feature(mips_target_feature)] +#![feature(nvptx_target_feature)] #![feature(powerpc_target_feature)] #![feature(riscv_target_feature)] #![feature(rtm_target_feature)] diff --git a/library/core/src/net/socket_addr.rs b/library/core/src/net/socket_addr.rs index 69924199f99..df99e9b20c2 100644 --- a/library/core/src/net/socket_addr.rs +++ b/library/core/src/net/socket_addr.rs @@ -613,7 +613,7 @@ impl const From<SocketAddrV6> for SocketAddr { #[stable(feature = "addr_from_into_ip", since = "1.17.0")] #[rustc_const_unstable(feature = "const_try", issue = "74935")] -impl<I: ~const Into<IpAddr>> const From<(I, u16)> for SocketAddr { +impl<I: [const] Into<IpAddr>> const From<(I, u16)> for SocketAddr { /// Converts a tuple struct (Into<[`IpAddr`]>, `u16`) into a [`SocketAddr`]. /// /// This conversion creates a [`SocketAddr::V4`] for an [`IpAddr::V4`] diff --git a/library/core/src/num/f32.rs b/library/core/src/num/f32.rs index f8344da79ad..6c7ba491971 100644 --- a/library/core/src/num/f32.rs +++ b/library/core/src/num/f32.rs @@ -1936,8 +1936,8 @@ pub mod math { /// let abs_difference_x = (f32::math::abs_sub(x, 1.0) - 2.0).abs(); /// let abs_difference_y = (f32::math::abs_sub(y, 1.0) - 0.0).abs(); /// - /// assert!(abs_difference_x <= f32::EPSILON); - /// assert!(abs_difference_y <= f32::EPSILON); + /// assert!(abs_difference_x <= 1e-6); + /// assert!(abs_difference_y <= 1e-6); /// ``` /// /// _This standalone function is for testing only. @@ -1982,7 +1982,7 @@ pub mod math { /// // x^(1/3) - 2 == 0 /// let abs_difference = (f32::math::cbrt(x) - 2.0).abs(); /// - /// assert!(abs_difference <= f32::EPSILON); + /// assert!(abs_difference <= 1e-6); /// ``` /// /// _This standalone function is for testing only. diff --git a/library/core/src/num/int_macros.rs b/library/core/src/num/int_macros.rs index 5683d5ec92d..bd2f7445612 100644 --- a/library/core/src/num/int_macros.rs +++ b/library/core/src/num/int_macros.rs @@ -177,14 +177,14 @@ macro_rules! int_impl { /// #[doc = concat!("let n: ", stringify!($SelfT), " = 0b_01100100;")] /// - /// assert_eq!(n.isolate_most_significant_one(), 0b_01000000); - #[doc = concat!("assert_eq!(0_", stringify!($SelfT), ".isolate_most_significant_one(), 0);")] + /// assert_eq!(n.isolate_highest_one(), 0b_01000000); + #[doc = concat!("assert_eq!(0_", stringify!($SelfT), ".isolate_highest_one(), 0);")] /// ``` #[unstable(feature = "isolate_most_least_significant_one", issue = "136909")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline(always)] - pub const fn isolate_most_significant_one(self) -> Self { + pub const fn isolate_highest_one(self) -> Self { self & (((1 as $SelfT) << (<$SelfT>::BITS - 1)).wrapping_shr(self.leading_zeros())) } @@ -198,14 +198,14 @@ macro_rules! int_impl { /// #[doc = concat!("let n: ", stringify!($SelfT), " = 0b_01100100;")] /// - /// assert_eq!(n.isolate_least_significant_one(), 0b_00000100); - #[doc = concat!("assert_eq!(0_", stringify!($SelfT), ".isolate_least_significant_one(), 0);")] + /// assert_eq!(n.isolate_lowest_one(), 0b_00000100); + #[doc = concat!("assert_eq!(0_", stringify!($SelfT), ".isolate_lowest_one(), 0);")] /// ``` #[unstable(feature = "isolate_most_least_significant_one", issue = "136909")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline(always)] - pub const fn isolate_least_significant_one(self) -> Self { + pub const fn isolate_lowest_one(self) -> Self { self & self.wrapping_neg() } @@ -469,17 +469,16 @@ macro_rules! int_impl { /// # Examples /// /// ``` - /// #![feature(strict_overflow_ops)] #[doc = concat!("assert_eq!((", stringify!($SelfT), "::MAX - 2).strict_add(1), ", stringify!($SelfT), "::MAX - 1);")] /// ``` /// /// The following panics because of overflow: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = (", stringify!($SelfT), "::MAX - 2).strict_add(3);")] /// ``` - #[unstable(feature = "strict_overflow_ops", issue = "118260")] + #[stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -560,17 +559,16 @@ macro_rules! int_impl { /// # Examples /// /// ``` - /// #![feature(strict_overflow_ops)] #[doc = concat!("assert_eq!(1", stringify!($SelfT), ".strict_add_unsigned(2), 3);")] /// ``` /// /// The following panics because of overflow: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = (", stringify!($SelfT), "::MAX - 2).strict_add_unsigned(3);")] /// ``` - #[unstable(feature = "strict_overflow_ops", issue = "118260")] + #[stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -611,17 +609,16 @@ macro_rules! int_impl { /// # Examples /// /// ``` - /// #![feature(strict_overflow_ops)] #[doc = concat!("assert_eq!((", stringify!($SelfT), "::MIN + 2).strict_sub(1), ", stringify!($SelfT), "::MIN + 1);")] /// ``` /// /// The following panics because of overflow: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = (", stringify!($SelfT), "::MIN + 2).strict_sub(3);")] /// ``` - #[unstable(feature = "strict_overflow_ops", issue = "118260")] + #[stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -702,17 +699,16 @@ macro_rules! int_impl { /// # Examples /// /// ``` - /// #![feature(strict_overflow_ops)] #[doc = concat!("assert_eq!(1", stringify!($SelfT), ".strict_sub_unsigned(2), -1);")] /// ``` /// /// The following panics because of overflow: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = (", stringify!($SelfT), "::MIN + 2).strict_sub_unsigned(3);")] /// ``` - #[unstable(feature = "strict_overflow_ops", issue = "118260")] + #[stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -753,17 +749,16 @@ macro_rules! int_impl { /// # Examples /// /// ``` - /// #![feature(strict_overflow_ops)] #[doc = concat!("assert_eq!(", stringify!($SelfT), "::MAX.strict_mul(1), ", stringify!($SelfT), "::MAX);")] /// ``` /// /// The following panics because of overflow: /// /// ``` should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = ", stringify!($SelfT), "::MAX.strict_mul(2);")] /// ``` - #[unstable(feature = "strict_overflow_ops", issue = "118260")] + #[stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -855,24 +850,22 @@ macro_rules! int_impl { /// # Examples /// /// ``` - /// #![feature(strict_overflow_ops)] #[doc = concat!("assert_eq!((", stringify!($SelfT), "::MIN + 1).strict_div(-1), ", stringify!($Max), ");")] /// ``` /// /// The following panics because of overflow: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = ", stringify!($SelfT), "::MIN.strict_div(-1);")] /// ``` /// /// The following panics because of division by zero: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = (1", stringify!($SelfT), ").strict_div(0);")] /// ``` - #[unstable(feature = "strict_overflow_ops", issue = "118260")] + #[stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -924,24 +917,22 @@ macro_rules! int_impl { /// # Examples /// /// ``` - /// #![feature(strict_overflow_ops)] #[doc = concat!("assert_eq!((", stringify!($SelfT), "::MIN + 1).strict_div_euclid(-1), ", stringify!($Max), ");")] /// ``` /// /// The following panics because of overflow: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = ", stringify!($SelfT), "::MIN.strict_div_euclid(-1);")] /// ``` /// /// The following panics because of division by zero: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = (1", stringify!($SelfT), ").strict_div_euclid(0);")] /// ``` - #[unstable(feature = "strict_overflow_ops", issue = "118260")] + #[stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -1092,24 +1083,22 @@ macro_rules! int_impl { /// # Examples /// /// ``` - /// #![feature(strict_overflow_ops)] #[doc = concat!("assert_eq!(5", stringify!($SelfT), ".strict_rem(2), 1);")] /// ``` /// /// The following panics because of division by zero: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = 5", stringify!($SelfT), ".strict_rem(0);")] /// ``` /// /// The following panics because of overflow: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = ", stringify!($SelfT), "::MIN.strict_rem(-1);")] /// ``` - #[unstable(feature = "strict_overflow_ops", issue = "118260")] + #[stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -1160,24 +1149,22 @@ macro_rules! int_impl { /// # Examples /// /// ``` - /// #![feature(strict_overflow_ops)] #[doc = concat!("assert_eq!(5", stringify!($SelfT), ".strict_rem_euclid(2), 1);")] /// ``` /// /// The following panics because of division by zero: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = 5", stringify!($SelfT), ".strict_rem_euclid(0);")] /// ``` /// /// The following panics because of overflow: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = ", stringify!($SelfT), "::MIN.strict_rem_euclid(-1);")] /// ``` - #[unstable(feature = "strict_overflow_ops", issue = "118260")] + #[stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -1249,17 +1236,16 @@ macro_rules! int_impl { /// # Examples /// /// ``` - /// #![feature(strict_overflow_ops)] #[doc = concat!("assert_eq!(5", stringify!($SelfT), ".strict_neg(), -5);")] /// ``` /// /// The following panics because of overflow: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = ", stringify!($SelfT), "::MIN.strict_neg();")] /// - #[unstable(feature = "strict_overflow_ops", issue = "118260")] + #[stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -1306,17 +1292,16 @@ macro_rules! int_impl { /// # Examples /// /// ``` - /// #![feature(strict_overflow_ops)] #[doc = concat!("assert_eq!(0x1", stringify!($SelfT), ".strict_shl(4), 0x10);")] /// ``` /// /// The following panics because of overflow: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = 0x1", stringify!($SelfT), ".strict_shl(129);")] /// ``` - #[unstable(feature = "strict_overflow_ops", issue = "118260")] + #[stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -1422,17 +1407,16 @@ macro_rules! int_impl { /// # Examples /// /// ``` - /// #![feature(strict_overflow_ops)] #[doc = concat!("assert_eq!(0x10", stringify!($SelfT), ".strict_shr(4), 0x1);")] /// ``` /// /// The following panics because of overflow: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = 0x10", stringify!($SelfT), ".strict_shr(128);")] /// ``` - #[unstable(feature = "strict_overflow_ops", issue = "118260")] + #[stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -1542,17 +1526,16 @@ macro_rules! int_impl { /// # Examples /// /// ``` - /// #![feature(strict_overflow_ops)] #[doc = concat!("assert_eq!((-5", stringify!($SelfT), ").strict_abs(), 5);")] /// ``` /// /// The following panics because of overflow: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = ", stringify!($SelfT), "::MIN.strict_abs();")] /// ``` - #[unstable(feature = "strict_overflow_ops", issue = "118260")] + #[stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -1612,17 +1595,16 @@ macro_rules! int_impl { /// # Examples /// /// ``` - /// #![feature(strict_overflow_ops)] #[doc = concat!("assert_eq!(8", stringify!($SelfT), ".strict_pow(2), 64);")] /// ``` /// /// The following panics because of overflow: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = ", stringify!($SelfT), "::MAX.strict_pow(2);")] /// ``` - #[unstable(feature = "strict_overflow_ops", issue = "118260")] + #[stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] diff --git a/library/core/src/num/nonzero.rs b/library/core/src/num/nonzero.rs index f793602de50..08a66361e6f 100644 --- a/library/core/src/num/nonzero.rs +++ b/library/core/src/num/nonzero.rs @@ -203,7 +203,7 @@ impl<T> Copy for NonZero<T> where T: ZeroablePrimitive {} #[rustc_const_unstable(feature = "const_cmp", issue = "143800")] impl<T> const PartialEq for NonZero<T> where - T: ZeroablePrimitive + ~const PartialEq, + T: ZeroablePrimitive + [const] PartialEq, { #[inline] fn eq(&self, other: &Self) -> bool { @@ -629,7 +629,7 @@ macro_rules! nonzero_integer { #[doc = concat!("let a = NonZero::<", stringify!($Int), ">::new(0b_01100100)?;")] #[doc = concat!("let b = NonZero::<", stringify!($Int), ">::new(0b_01000000)?;")] /// - /// assert_eq!(a.isolate_most_significant_one(), b); + /// assert_eq!(a.isolate_highest_one(), b); /// # Some(()) /// # } /// ``` @@ -637,7 +637,7 @@ macro_rules! nonzero_integer { #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline(always)] - pub const fn isolate_most_significant_one(self) -> Self { + pub const fn isolate_highest_one(self) -> Self { let n = self.get() & (((1 as $Int) << (<$Int>::BITS - 1)).wrapping_shr(self.leading_zeros())); // SAFETY: @@ -659,7 +659,7 @@ macro_rules! nonzero_integer { #[doc = concat!("let a = NonZero::<", stringify!($Int), ">::new(0b_01100100)?;")] #[doc = concat!("let b = NonZero::<", stringify!($Int), ">::new(0b_00000100)?;")] /// - /// assert_eq!(a.isolate_least_significant_one(), b); + /// assert_eq!(a.isolate_lowest_one(), b); /// # Some(()) /// # } /// ``` @@ -667,7 +667,7 @@ macro_rules! nonzero_integer { #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline(always)] - pub const fn isolate_least_significant_one(self) -> Self { + pub const fn isolate_lowest_one(self) -> Self { let n = self.get(); let n = n & n.wrapping_neg(); diff --git a/library/core/src/num/uint_macros.rs b/library/core/src/num/uint_macros.rs index 584cd60fbe5..1c2783e4769 100644 --- a/library/core/src/num/uint_macros.rs +++ b/library/core/src/num/uint_macros.rs @@ -229,14 +229,14 @@ macro_rules! uint_impl { /// #[doc = concat!("let n: ", stringify!($SelfT), " = 0b_01100100;")] /// - /// assert_eq!(n.isolate_most_significant_one(), 0b_01000000); - #[doc = concat!("assert_eq!(0_", stringify!($SelfT), ".isolate_most_significant_one(), 0);")] + /// assert_eq!(n.isolate_highest_one(), 0b_01000000); + #[doc = concat!("assert_eq!(0_", stringify!($SelfT), ".isolate_highest_one(), 0);")] /// ``` #[unstable(feature = "isolate_most_least_significant_one", issue = "136909")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline(always)] - pub const fn isolate_most_significant_one(self) -> Self { + pub const fn isolate_highest_one(self) -> Self { self & (((1 as $SelfT) << (<$SelfT>::BITS - 1)).wrapping_shr(self.leading_zeros())) } @@ -250,14 +250,14 @@ macro_rules! uint_impl { /// #[doc = concat!("let n: ", stringify!($SelfT), " = 0b_01100100;")] /// - /// assert_eq!(n.isolate_least_significant_one(), 0b_00000100); - #[doc = concat!("assert_eq!(0_", stringify!($SelfT), ".isolate_least_significant_one(), 0);")] + /// assert_eq!(n.isolate_lowest_one(), 0b_00000100); + #[doc = concat!("assert_eq!(0_", stringify!($SelfT), ".isolate_lowest_one(), 0);")] /// ``` #[unstable(feature = "isolate_most_least_significant_one", issue = "136909")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline(always)] - pub const fn isolate_least_significant_one(self) -> Self { + pub const fn isolate_lowest_one(self) -> Self { self & self.wrapping_neg() } @@ -538,17 +538,16 @@ macro_rules! uint_impl { /// # Examples /// /// ``` - /// #![feature(strict_overflow_ops)] #[doc = concat!("assert_eq!((", stringify!($SelfT), "::MAX - 2).strict_add(1), ", stringify!($SelfT), "::MAX - 1);")] /// ``` /// /// The following panics because of overflow: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = (", stringify!($SelfT), "::MAX - 2).strict_add(3);")] /// ``` - #[unstable(feature = "strict_overflow_ops", issue = "118260")] + #[stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -630,22 +629,20 @@ macro_rules! uint_impl { /// # Examples /// /// ``` - /// #![feature(strict_overflow_ops)] #[doc = concat!("assert_eq!(1", stringify!($SelfT), ".strict_add_signed(2), 3);")] /// ``` /// /// The following panic because of overflow: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = 1", stringify!($SelfT), ".strict_add_signed(-2);")] /// ``` /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = (", stringify!($SelfT), "::MAX - 2).strict_add_signed(3);")] /// ``` - #[unstable(feature = "strict_overflow_ops", issue = "118260")] + #[stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -695,17 +692,16 @@ macro_rules! uint_impl { /// # Examples /// /// ``` - /// #![feature(strict_overflow_ops)] #[doc = concat!("assert_eq!(1", stringify!($SelfT), ".strict_sub(1), 0);")] /// ``` /// /// The following panics because of overflow: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = 0", stringify!($SelfT), ".strict_sub(1);")] /// ``` - #[unstable(feature = "strict_overflow_ops", issue = "118260")] + #[stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -790,8 +786,8 @@ macro_rules! uint_impl { #[doc = concat!("assert_eq!(1", stringify!($SelfT), ".checked_sub_signed(-2), Some(3));")] #[doc = concat!("assert_eq!((", stringify!($SelfT), "::MAX - 2).checked_sub_signed(-4), None);")] /// ``` - #[stable(feature = "mixed_integer_ops_unsigned_sub", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "mixed_integer_ops_unsigned_sub", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "mixed_integer_ops_unsigned_sub", since = "1.90.0")] + #[rustc_const_stable(feature = "mixed_integer_ops_unsigned_sub", since = "1.90.0")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -817,22 +813,20 @@ macro_rules! uint_impl { /// # Examples /// /// ``` - /// #![feature(strict_overflow_ops)] #[doc = concat!("assert_eq!(3", stringify!($SelfT), ".strict_sub_signed(2), 1);")] /// ``` /// /// The following panic because of overflow: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = 1", stringify!($SelfT), ".strict_sub_signed(2);")] /// ``` /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = (", stringify!($SelfT), "::MAX).strict_sub_signed(-1);")] /// ``` - #[unstable(feature = "strict_overflow_ops", issue = "118260")] + #[stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -932,17 +926,16 @@ macro_rules! uint_impl { /// # Examples /// /// ``` - /// #![feature(strict_overflow_ops)] #[doc = concat!("assert_eq!(5", stringify!($SelfT), ".strict_mul(1), 5);")] /// ``` /// /// The following panics because of overflow: /// /// ``` should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = ", stringify!($SelfT), "::MAX.strict_mul(2);")] /// ``` - #[unstable(feature = "strict_overflow_ops", issue = "118260")] + #[stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -1029,17 +1022,16 @@ macro_rules! uint_impl { /// # Examples /// /// ``` - /// #![feature(strict_overflow_ops)] #[doc = concat!("assert_eq!(100", stringify!($SelfT), ".strict_div(10), 10);")] /// ``` /// /// The following panics because of division by zero: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = (1", stringify!($SelfT), ").strict_div(0);")] /// ``` - #[unstable(feature = "strict_overflow_ops", issue = "118260")] + #[stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline(always)] @@ -1085,16 +1077,15 @@ macro_rules! uint_impl { /// # Examples /// /// ``` - /// #![feature(strict_overflow_ops)] #[doc = concat!("assert_eq!(100", stringify!($SelfT), ".strict_div_euclid(10), 10);")] /// ``` /// The following panics because of division by zero: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = (1", stringify!($SelfT), ").strict_div_euclid(0);")] /// ``` - #[unstable(feature = "strict_overflow_ops", issue = "118260")] + #[stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline(always)] @@ -1239,17 +1230,16 @@ macro_rules! uint_impl { /// # Examples /// /// ``` - /// #![feature(strict_overflow_ops)] #[doc = concat!("assert_eq!(100", stringify!($SelfT), ".strict_rem(10), 0);")] /// ``` /// /// The following panics because of division by zero: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = 5", stringify!($SelfT), ".strict_rem(0);")] /// ``` - #[unstable(feature = "strict_overflow_ops", issue = "118260")] + #[stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline(always)] @@ -1296,17 +1286,16 @@ macro_rules! uint_impl { /// # Examples /// /// ``` - /// #![feature(strict_overflow_ops)] #[doc = concat!("assert_eq!(100", stringify!($SelfT), ".strict_rem_euclid(10), 0);")] /// ``` /// /// The following panics because of division by zero: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = 5", stringify!($SelfT), ".strict_rem_euclid(0);")] /// ``` - #[unstable(feature = "strict_overflow_ops", issue = "118260")] + #[stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline(always)] @@ -1568,17 +1557,16 @@ macro_rules! uint_impl { /// # Examples /// /// ``` - /// #![feature(strict_overflow_ops)] #[doc = concat!("assert_eq!(0", stringify!($SelfT), ".strict_neg(), 0);")] /// ``` /// /// The following panics because of overflow: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = 1", stringify!($SelfT), ".strict_neg();")] /// - #[unstable(feature = "strict_overflow_ops", issue = "118260")] + #[stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -1625,17 +1613,16 @@ macro_rules! uint_impl { /// # Examples /// /// ``` - /// #![feature(strict_overflow_ops)] #[doc = concat!("assert_eq!(0x1", stringify!($SelfT), ".strict_shl(4), 0x10);")] /// ``` /// /// The following panics because of overflow: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = 0x10", stringify!($SelfT), ".strict_shl(129);")] /// ``` - #[unstable(feature = "strict_overflow_ops", issue = "118260")] + #[stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -1741,17 +1728,16 @@ macro_rules! uint_impl { /// # Examples /// /// ``` - /// #![feature(strict_overflow_ops)] #[doc = concat!("assert_eq!(0x10", stringify!($SelfT), ".strict_shr(4), 0x1);")] /// ``` /// /// The following panics because of overflow: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = 0x10", stringify!($SelfT), ".strict_shr(129);")] /// ``` - #[unstable(feature = "strict_overflow_ops", issue = "118260")] + #[stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -1867,17 +1853,16 @@ macro_rules! uint_impl { /// # Examples /// /// ``` - /// #![feature(strict_overflow_ops)] #[doc = concat!("assert_eq!(2", stringify!($SelfT), ".strict_pow(5), 32);")] /// ``` /// /// The following panics because of overflow: /// /// ```should_panic - /// #![feature(strict_overflow_ops)] #[doc = concat!("let _ = ", stringify!($SelfT), "::MAX.strict_pow(2);")] /// ``` - #[unstable(feature = "strict_overflow_ops", issue = "118260")] + #[stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "strict_overflow_ops", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -1974,8 +1959,8 @@ macro_rules! uint_impl { #[doc = concat!("assert_eq!(1", stringify!($SelfT), ".saturating_sub_signed(-2), 3);")] #[doc = concat!("assert_eq!((", stringify!($SelfT), "::MAX - 2).saturating_sub_signed(-4), ", stringify!($SelfT), "::MAX);")] /// ``` - #[stable(feature = "mixed_integer_ops_unsigned_sub", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "mixed_integer_ops_unsigned_sub", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "mixed_integer_ops_unsigned_sub", since = "1.90.0")] + #[rustc_const_stable(feature = "mixed_integer_ops_unsigned_sub", since = "1.90.0")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -2122,8 +2107,8 @@ macro_rules! uint_impl { #[doc = concat!("assert_eq!(1", stringify!($SelfT), ".wrapping_sub_signed(-2), 3);")] #[doc = concat!("assert_eq!((", stringify!($SelfT), "::MAX - 2).wrapping_sub_signed(-4), 1);")] /// ``` - #[stable(feature = "mixed_integer_ops_unsigned_sub", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "mixed_integer_ops_unsigned_sub", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "mixed_integer_ops_unsigned_sub", since = "1.90.0")] + #[rustc_const_stable(feature = "mixed_integer_ops_unsigned_sub", since = "1.90.0")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -2581,8 +2566,8 @@ macro_rules! uint_impl { #[doc = concat!("assert_eq!(1", stringify!($SelfT), ".overflowing_sub_signed(-2), (3, false));")] #[doc = concat!("assert_eq!((", stringify!($SelfT), "::MAX - 2).overflowing_sub_signed(-4), (1, true));")] /// ``` - #[stable(feature = "mixed_integer_ops_unsigned_sub", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "mixed_integer_ops_unsigned_sub", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "mixed_integer_ops_unsigned_sub", since = "1.90.0")] + #[rustc_const_stable(feature = "mixed_integer_ops_unsigned_sub", since = "1.90.0")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] diff --git a/library/core/src/ops/control_flow.rs b/library/core/src/ops/control_flow.rs index 26661b20c12..7489a8bb6e7 100644 --- a/library/core/src/ops/control_flow.rs +++ b/library/core/src/ops/control_flow.rs @@ -187,6 +187,80 @@ impl<B, C> ControlFlow<B, C> { } } + /// Converts the `ControlFlow` into an `Result` which is `Ok` if the + /// `ControlFlow` was `Break` and `Err` if otherwise. + /// + /// # Examples + /// + /// ``` + /// #![feature(control_flow_ok)] + /// + /// use std::ops::ControlFlow; + /// + /// struct TreeNode<T> { + /// value: T, + /// left: Option<Box<TreeNode<T>>>, + /// right: Option<Box<TreeNode<T>>>, + /// } + /// + /// impl<T> TreeNode<T> { + /// fn find<'a>(&'a self, mut predicate: impl FnMut(&T) -> bool) -> Result<&'a T, ()> { + /// let mut f = |t: &'a T| -> ControlFlow<&'a T> { + /// if predicate(t) { + /// ControlFlow::Break(t) + /// } else { + /// ControlFlow::Continue(()) + /// } + /// }; + /// + /// self.traverse_inorder(&mut f).break_ok() + /// } + /// + /// fn traverse_inorder<'a, B>( + /// &'a self, + /// f: &mut impl FnMut(&'a T) -> ControlFlow<B>, + /// ) -> ControlFlow<B> { + /// if let Some(left) = &self.left { + /// left.traverse_inorder(f)?; + /// } + /// f(&self.value)?; + /// if let Some(right) = &self.right { + /// right.traverse_inorder(f)?; + /// } + /// ControlFlow::Continue(()) + /// } + /// + /// fn leaf(value: T) -> Option<Box<TreeNode<T>>> { + /// Some(Box::new(Self { + /// value, + /// left: None, + /// right: None, + /// })) + /// } + /// } + /// + /// let node = TreeNode { + /// value: 0, + /// left: TreeNode::leaf(1), + /// right: Some(Box::new(TreeNode { + /// value: -1, + /// left: TreeNode::leaf(5), + /// right: TreeNode::leaf(2), + /// })), + /// }; + /// + /// let res = node.find(|val: &i32| *val > 3); + /// assert_eq!(res, Ok(&5)); + /// ``` + #[inline] + #[unstable(feature = "control_flow_ok", issue = "140266")] + pub fn break_ok(self) -> Result<B, C> { + match self { + ControlFlow::Continue(c) => Err(c), + ControlFlow::Break(b) => Ok(b), + } + } + /// Maps `ControlFlow<B, C>` to `ControlFlow<T, C>` by applying a function /// to the break value in case it exists. #[inline] @@ -218,6 +292,79 @@ impl<B, C> ControlFlow<B, C> { } } + /// Converts the `ControlFlow` into an `Result` which is `Ok` if the + /// `ControlFlow` was `Continue` and `Err` if otherwise. + /// + /// # Examples + /// + /// ``` + /// #![feature(control_flow_ok)] + /// + /// use std::ops::ControlFlow; + /// + /// struct TreeNode<T> { + /// value: T, + /// left: Option<Box<TreeNode<T>>>, + /// right: Option<Box<TreeNode<T>>>, + /// } + /// + /// impl<T> TreeNode<T> { + /// fn validate<B>(&self, f: &mut impl FnMut(&T) -> ControlFlow<B>) -> Result<(), B> { + /// self.traverse_inorder(f).continue_ok() + /// } + /// + /// fn traverse_inorder<B>(&self, f: &mut impl FnMut(&T) -> ControlFlow<B>) -> ControlFlow<B> { + /// if let Some(left) = &self.left { + /// left.traverse_inorder(f)?; + /// } + /// f(&self.value)?; + /// if let Some(right) = &self.right { + /// right.traverse_inorder(f)?; + /// } + /// ControlFlow::Continue(()) + /// } + /// + /// fn leaf(value: T) -> Option<Box<TreeNode<T>>> { + /// Some(Box::new(Self { + /// value, + /// left: None, + /// right: None, + /// })) + /// } + /// } + /// + /// let node = TreeNode { + /// value: 0, + /// left: TreeNode::leaf(1), + /// right: Some(Box::new(TreeNode { + /// value: -1, + /// left: TreeNode::leaf(5), + /// right: TreeNode::leaf(2), + /// })), + /// }; + /// + /// let res = node.validate(&mut |val| { + /// if *val < 0 { + /// return ControlFlow::Break("negative value detected"); + /// } + /// + /// if *val > 4 { + /// return ControlFlow::Break("too big value detected"); + /// } + /// + /// ControlFlow::Continue(()) + /// }); + /// assert_eq!(res, Err("too big value detected")); + /// ``` + #[inline] + #[unstable(feature = "control_flow_ok", issue = "140266")] + pub fn continue_ok(self) -> Result<C, B> { + match self { + ControlFlow::Continue(c) => Ok(c), + ControlFlow::Break(b) => Err(b), + } + } + /// Maps `ControlFlow<B, C>` to `ControlFlow<B, T>` by applying a function /// to the continue value in case it exists. #[inline] diff --git a/library/core/src/ops/deref.rs b/library/core/src/ops/deref.rs index c2dede9fa08..5f68c1f55c2 100644 --- a/library/core/src/ops/deref.rs +++ b/library/core/src/ops/deref.rs @@ -269,7 +269,7 @@ impl<T: ?Sized> const Deref for &mut T { #[stable(feature = "rust1", since = "1.0.0")] #[const_trait] #[rustc_const_unstable(feature = "const_deref", issue = "88955")] -pub trait DerefMut: ~const Deref + PointeeSized { +pub trait DerefMut: [const] Deref + PointeeSized { /// Mutably dereferences the value. #[stable(feature = "rust1", since = "1.0.0")] #[rustc_diagnostic_item = "deref_mut_method"] diff --git a/library/core/src/ops/function.rs b/library/core/src/ops/function.rs index efc751a094d..ad46e52a475 100644 --- a/library/core/src/ops/function.rs +++ b/library/core/src/ops/function.rs @@ -260,7 +260,7 @@ mod impls { #[rustc_const_unstable(feature = "const_trait_impl", issue = "143874")] impl<A: Tuple, F: ?Sized> const Fn<A> for &F where - F: ~const Fn<A>, + F: [const] Fn<A>, { extern "rust-call" fn call(&self, args: A) -> F::Output { (**self).call(args) @@ -271,7 +271,7 @@ mod impls { #[rustc_const_unstable(feature = "const_trait_impl", issue = "143874")] impl<A: Tuple, F: ?Sized> const FnMut<A> for &F where - F: ~const Fn<A>, + F: [const] Fn<A>, { extern "rust-call" fn call_mut(&mut self, args: A) -> F::Output { (**self).call(args) @@ -282,7 +282,7 @@ mod impls { #[rustc_const_unstable(feature = "const_trait_impl", issue = "143874")] impl<A: Tuple, F: ?Sized> const FnOnce<A> for &F where - F: ~const Fn<A>, + F: [const] Fn<A>, { type Output = F::Output; @@ -295,7 +295,7 @@ mod impls { #[rustc_const_unstable(feature = "const_trait_impl", issue = "143874")] impl<A: Tuple, F: ?Sized> const FnMut<A> for &mut F where - F: ~const FnMut<A>, + F: [const] FnMut<A>, { extern "rust-call" fn call_mut(&mut self, args: A) -> F::Output { (*self).call_mut(args) @@ -306,7 +306,7 @@ mod impls { #[rustc_const_unstable(feature = "const_trait_impl", issue = "143874")] impl<A: Tuple, F: ?Sized> const FnOnce<A> for &mut F where - F: ~const FnMut<A>, + F: [const] FnMut<A>, { type Output = F::Output; extern "rust-call" fn call_once(self, args: A) -> F::Output { diff --git a/library/core/src/ops/index.rs b/library/core/src/ops/index.rs index d8489e9a949..1aed2fb4742 100644 --- a/library/core/src/ops/index.rs +++ b/library/core/src/ops/index.rs @@ -169,7 +169,7 @@ see chapter in The Book <https://doc.rust-lang.org/book/ch08-02-strings.html#ind #[doc(alias = "[]")] #[rustc_const_unstable(feature = "const_index", issue = "143775")] #[const_trait] -pub trait IndexMut<Idx: ?Sized>: ~const Index<Idx> { +pub trait IndexMut<Idx: ?Sized>: [const] Index<Idx> { /// Performs the mutable indexing (`container[index]`) operation. /// /// # Panics diff --git a/library/core/src/ops/try_trait.rs b/library/core/src/ops/try_trait.rs index a889c824be5..76bf438878f 100644 --- a/library/core/src/ops/try_trait.rs +++ b/library/core/src/ops/try_trait.rs @@ -130,7 +130,7 @@ use crate::ops::ControlFlow; #[lang = "Try"] #[const_trait] #[rustc_const_unstable(feature = "const_try", issue = "74935")] -pub trait Try: ~const FromResidual { +pub trait Try: [const] FromResidual { /// The type of the value produced by `?` when *not* short-circuiting. #[unstable(feature = "try_trait_v2", issue = "84277", old_name = "try_trait")] type Output; diff --git a/library/core/src/option.rs b/library/core/src/option.rs index ed070fbd227..560d20ce617 100644 --- a/library/core/src/option.rs +++ b/library/core/src/option.rs @@ -651,7 +651,7 @@ impl<T> Option<T> { #[inline] #[stable(feature = "is_some_and", since = "1.70.0")] #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] - pub const fn is_some_and(self, f: impl ~const FnOnce(T) -> bool + ~const Destruct) -> bool { + pub const fn is_some_and(self, f: impl [const] FnOnce(T) -> bool + [const] Destruct) -> bool { match self { None => false, Some(x) => f(x), @@ -700,7 +700,7 @@ impl<T> Option<T> { #[inline] #[stable(feature = "is_none_or", since = "1.82.0")] #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] - pub const fn is_none_or(self, f: impl ~const FnOnce(T) -> bool + ~const Destruct) -> bool { + pub const fn is_none_or(self, f: impl [const] FnOnce(T) -> bool + [const] Destruct) -> bool { match self { None => true, Some(x) => f(x), @@ -1030,7 +1030,7 @@ impl<T> Option<T> { #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] pub const fn unwrap_or(self, default: T) -> T where - T: ~const Destruct, + T: [const] Destruct, { match self { Some(x) => x, @@ -1053,7 +1053,7 @@ impl<T> Option<T> { #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] pub const fn unwrap_or_else<F>(self, f: F) -> T where - F: ~const FnOnce() -> T + ~const Destruct, + F: [const] FnOnce() -> T + [const] Destruct, { match self { Some(x) => x, @@ -1085,7 +1085,7 @@ impl<T> Option<T> { #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] pub const fn unwrap_or_default(self) -> T where - T: ~const Default, + T: [const] Default, { match self { Some(x) => x, @@ -1152,7 +1152,7 @@ impl<T> Option<T> { #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] pub const fn map<U, F>(self, f: F) -> Option<U> where - F: ~const FnOnce(T) -> U + ~const Destruct, + F: [const] FnOnce(T) -> U + [const] Destruct, { match self { Some(x) => Some(f(x)), @@ -1183,7 +1183,7 @@ impl<T> Option<T> { #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] pub const fn inspect<F>(self, f: F) -> Self where - F: ~const FnOnce(&T) + ~const Destruct, + F: [const] FnOnce(&T) + [const] Destruct, { if let Some(ref x) = self { f(x); @@ -1216,8 +1216,8 @@ impl<T> Option<T> { #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] pub const fn map_or<U, F>(self, default: U, f: F) -> U where - F: ~const FnOnce(T) -> U + ~const Destruct, - U: ~const Destruct, + F: [const] FnOnce(T) -> U + [const] Destruct, + U: [const] Destruct, { match self { Some(t) => f(t), @@ -1263,8 +1263,8 @@ impl<T> Option<T> { #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] pub const fn map_or_else<U, D, F>(self, default: D, f: F) -> U where - D: ~const FnOnce() -> U + ~const Destruct, - F: ~const FnOnce(T) -> U + ~const Destruct, + D: [const] FnOnce() -> U + [const] Destruct, + F: [const] FnOnce(T) -> U + [const] Destruct, { match self { Some(t) => f(t), @@ -1294,8 +1294,8 @@ impl<T> Option<T> { #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] pub const fn map_or_default<U, F>(self, f: F) -> U where - U: ~const Default, - F: ~const FnOnce(T) -> U + ~const Destruct, + U: [const] Default, + F: [const] FnOnce(T) -> U + [const] Destruct, { match self { Some(t) => f(t), @@ -1327,7 +1327,7 @@ impl<T> Option<T> { #[inline] #[stable(feature = "rust1", since = "1.0.0")] #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] - pub const fn ok_or<E: ~const Destruct>(self, err: E) -> Result<T, E> { + pub const fn ok_or<E: [const] Destruct>(self, err: E) -> Result<T, E> { match self { Some(v) => Ok(v), None => Err(err), @@ -1355,7 +1355,7 @@ impl<T> Option<T> { #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] pub const fn ok_or_else<E, F>(self, err: F) -> Result<T, E> where - F: ~const FnOnce() -> E + ~const Destruct, + F: [const] FnOnce() -> E + [const] Destruct, { match self { Some(v) => Ok(v), @@ -1487,8 +1487,8 @@ impl<T> Option<T> { #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] pub const fn and<U>(self, optb: Option<U>) -> Option<U> where - T: ~const Destruct, - U: ~const Destruct, + T: [const] Destruct, + U: [const] Destruct, { match self { Some(_) => optb, @@ -1531,7 +1531,7 @@ impl<T> Option<T> { #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] pub const fn and_then<U, F>(self, f: F) -> Option<U> where - F: ~const FnOnce(T) -> Option<U> + ~const Destruct, + F: [const] FnOnce(T) -> Option<U> + [const] Destruct, { match self { Some(x) => f(x), @@ -1568,8 +1568,8 @@ impl<T> Option<T> { #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] pub const fn filter<P>(self, predicate: P) -> Self where - P: ~const FnOnce(&T) -> bool + ~const Destruct, - T: ~const Destruct, + P: [const] FnOnce(&T) -> bool + [const] Destruct, + T: [const] Destruct, { if let Some(x) = self { if predicate(&x) { @@ -1611,7 +1611,7 @@ impl<T> Option<T> { #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] pub const fn or(self, optb: Option<T>) -> Option<T> where - T: ~const Destruct, + T: [const] Destruct, { match self { x @ Some(_) => x, @@ -1637,10 +1637,10 @@ impl<T> Option<T> { #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] pub const fn or_else<F>(self, f: F) -> Option<T> where - F: ~const FnOnce() -> Option<T> + ~const Destruct, + F: [const] FnOnce() -> Option<T> + [const] Destruct, //FIXME(const_hack): this `T: ~const Destruct` is unnecessary, but even precise live drops can't tell // no value of type `T` gets dropped here - T: ~const Destruct, + T: [const] Destruct, { match self { x @ Some(_) => x, @@ -1674,7 +1674,7 @@ impl<T> Option<T> { #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] pub const fn xor(self, optb: Option<T>) -> Option<T> where - T: ~const Destruct, + T: [const] Destruct, { match (self, optb) { (a @ Some(_), None) => a, @@ -1712,7 +1712,7 @@ impl<T> Option<T> { #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] pub const fn insert(&mut self, value: T) -> &mut T where - T: ~const Destruct, + T: [const] Destruct, { *self = Some(value); @@ -1768,7 +1768,7 @@ impl<T> Option<T> { #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] pub const fn get_or_insert_default(&mut self) -> &mut T where - T: ~const Default + ~const Destruct, + T: [const] Default + [const] Destruct, { self.get_or_insert_with(T::default) } @@ -1795,8 +1795,8 @@ impl<T> Option<T> { #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] pub const fn get_or_insert_with<F>(&mut self, f: F) -> &mut T where - F: ~const FnOnce() -> T + ~const Destruct, - T: ~const Destruct, + F: [const] FnOnce() -> T + [const] Destruct, + T: [const] Destruct, { if let None = self { *self = Some(f()); @@ -1863,7 +1863,7 @@ impl<T> Option<T> { #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] pub const fn take_if<P>(&mut self, predicate: P) -> Option<T> where - P: ~const FnOnce(&mut T) -> bool + ~const Destruct, + P: [const] FnOnce(&mut T) -> bool + [const] Destruct, { if self.as_mut().map_or(false, predicate) { self.take() } else { None } } @@ -1911,8 +1911,8 @@ impl<T> Option<T> { #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] pub const fn zip<U>(self, other: Option<U>) -> Option<(T, U)> where - T: ~const Destruct, - U: ~const Destruct, + T: [const] Destruct, + U: [const] Destruct, { match (self, other) { (Some(a), Some(b)) => Some((a, b)), @@ -1952,9 +1952,9 @@ impl<T> Option<T> { #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] pub const fn zip_with<U, F, R>(self, other: Option<U>, f: F) -> Option<R> where - F: ~const FnOnce(T, U) -> R + ~const Destruct, - T: ~const Destruct, - U: ~const Destruct, + F: [const] FnOnce(T, U) -> R + [const] Destruct, + T: [const] Destruct, + U: [const] Destruct, { match (self, other) { (Some(a), Some(b)) => Some(f(a, b)), @@ -2149,7 +2149,7 @@ impl<T> const Clone for Option<T> where // FIXME(const_hack): the T: ~const Destruct should be inferred from the Self: ~const Destruct in clone_from. // See https://github.com/rust-lang/rust/issues/144207 - T: ~const Clone + ~const Destruct, + T: [const] Clone + [const] Destruct, { #[inline] fn clone(&self) -> Self { @@ -2307,7 +2307,7 @@ impl<'a, T> const From<&'a mut Option<T>> for Option<&'a mut T> { impl<T> crate::marker::StructuralPartialEq for Option<T> {} #[stable(feature = "rust1", since = "1.0.0")] #[rustc_const_unstable(feature = "const_cmp", issue = "143800")] -impl<T: ~const PartialEq> const PartialEq for Option<T> { +impl<T: [const] PartialEq> const PartialEq for Option<T> { #[inline] fn eq(&self, other: &Self) -> bool { // Spelling out the cases explicitly optimizes better than diff --git a/library/core/src/ptr/const_ptr.rs b/library/core/src/ptr/const_ptr.rs index 2ad520b7ead..8b3703bd4b3 100644 --- a/library/core/src/ptr/const_ptr.rs +++ b/library/core/src/ptr/const_ptr.rs @@ -1528,7 +1528,7 @@ impl<T> *const [T] { #[inline] pub const unsafe fn get_unchecked<I>(self, index: I) -> *const I::Output where - I: ~const SliceIndex<[T]>, + I: [const] SliceIndex<[T]>, { // SAFETY: the caller ensures that `self` is dereferenceable and `index` in-bounds. unsafe { index.get_unchecked(self) } diff --git a/library/core/src/ptr/mut_ptr.rs b/library/core/src/ptr/mut_ptr.rs index 579e2461103..af39ec86d7a 100644 --- a/library/core/src/ptr/mut_ptr.rs +++ b/library/core/src/ptr/mut_ptr.rs @@ -1885,7 +1885,7 @@ impl<T> *mut [T] { #[inline(always)] pub const unsafe fn get_unchecked_mut<I>(self, index: I) -> *mut I::Output where - I: ~const SliceIndex<[T]>, + I: [const] SliceIndex<[T]>, { // SAFETY: the caller ensures that `self` is dereferenceable and `index` in-bounds. unsafe { index.get_unchecked_mut(self) } diff --git a/library/core/src/ptr/non_null.rs b/library/core/src/ptr/non_null.rs index 62da6567cca..8667361fecc 100644 --- a/library/core/src/ptr/non_null.rs +++ b/library/core/src/ptr/non_null.rs @@ -1601,7 +1601,7 @@ impl<T> NonNull<[T]> { #[inline] pub const unsafe fn get_unchecked_mut<I>(self, index: I) -> NonNull<I::Output> where - I: ~const SliceIndex<[T]>, + I: [const] SliceIndex<[T]>, { // SAFETY: the caller ensures that `self` is dereferenceable and `index` in-bounds. // As a consequence, the resulting pointer cannot be null. diff --git a/library/core/src/result.rs b/library/core/src/result.rs index 474f86395ae..6148bdb866a 100644 --- a/library/core/src/result.rs +++ b/library/core/src/result.rs @@ -610,9 +610,9 @@ impl<T, E> Result<T, E> { #[rustc_const_unstable(feature = "const_result_trait_fn", issue = "144211")] pub const fn is_ok_and<F>(self, f: F) -> bool where - F: ~const FnOnce(T) -> bool + ~const Destruct, - T: ~const Destruct, - E: ~const Destruct, + F: [const] FnOnce(T) -> bool + [const] Destruct, + T: [const] Destruct, + E: [const] Destruct, { match self { Err(_) => false, @@ -665,9 +665,9 @@ impl<T, E> Result<T, E> { #[rustc_const_unstable(feature = "const_result_trait_fn", issue = "144211")] pub const fn is_err_and<F>(self, f: F) -> bool where - F: ~const FnOnce(E) -> bool + ~const Destruct, - E: ~const Destruct, - T: ~const Destruct, + F: [const] FnOnce(E) -> bool + [const] Destruct, + E: [const] Destruct, + T: [const] Destruct, { match self { Ok(_) => false, @@ -699,8 +699,8 @@ impl<T, E> Result<T, E> { #[rustc_diagnostic_item = "result_ok_method"] pub const fn ok(self) -> Option<T> where - T: ~const Destruct, - E: ~const Destruct, + T: [const] Destruct, + E: [const] Destruct, { match self { Ok(x) => Some(x), @@ -727,8 +727,8 @@ impl<T, E> Result<T, E> { #[rustc_const_unstable(feature = "const_result_trait_fn", issue = "144211")] pub const fn err(self) -> Option<E> where - T: ~const Destruct, - E: ~const Destruct, + T: [const] Destruct, + E: [const] Destruct, { match self { Ok(_) => None, @@ -822,7 +822,7 @@ impl<T, E> Result<T, E> { #[rustc_const_unstable(feature = "const_result_trait_fn", issue = "144211")] pub const fn map<U, F>(self, op: F) -> Result<U, E> where - F: ~const FnOnce(T) -> U + ~const Destruct, + F: [const] FnOnce(T) -> U + [const] Destruct, { match self { Ok(t) => Ok(op(t)), @@ -854,10 +854,10 @@ impl<T, E> Result<T, E> { #[must_use = "if you don't need the returned value, use `if let` instead"] pub const fn map_or<U, F>(self, default: U, f: F) -> U where - F: ~const FnOnce(T) -> U + ~const Destruct, - T: ~const Destruct, - E: ~const Destruct, - U: ~const Destruct, + F: [const] FnOnce(T) -> U + [const] Destruct, + T: [const] Destruct, + E: [const] Destruct, + U: [const] Destruct, { match self { Ok(t) => f(t), @@ -888,8 +888,8 @@ impl<T, E> Result<T, E> { #[rustc_const_unstable(feature = "const_result_trait_fn", issue = "144211")] pub const fn map_or_else<U, D, F>(self, default: D, f: F) -> U where - D: ~const FnOnce(E) -> U + ~const Destruct, - F: ~const FnOnce(T) -> U + ~const Destruct, + D: [const] FnOnce(E) -> U + [const] Destruct, + F: [const] FnOnce(T) -> U + [const] Destruct, { match self { Ok(t) => f(t), @@ -919,10 +919,10 @@ impl<T, E> Result<T, E> { #[rustc_const_unstable(feature = "const_result_trait_fn", issue = "144211")] pub const fn map_or_default<U, F>(self, f: F) -> U where - F: ~const FnOnce(T) -> U + ~const Destruct, - U: ~const Default, - T: ~const Destruct, - E: ~const Destruct, + F: [const] FnOnce(T) -> U + [const] Destruct, + U: [const] Default, + T: [const] Destruct, + E: [const] Destruct, { match self { Ok(t) => f(t), @@ -953,7 +953,7 @@ impl<T, E> Result<T, E> { #[rustc_const_unstable(feature = "const_result_trait_fn", issue = "144211")] pub const fn map_err<F, O>(self, op: O) -> Result<T, F> where - O: ~const FnOnce(E) -> F + ~const Destruct, + O: [const] FnOnce(E) -> F + [const] Destruct, { match self { Ok(t) => Ok(t), @@ -979,7 +979,7 @@ impl<T, E> Result<T, E> { #[rustc_const_unstable(feature = "const_result_trait_fn", issue = "144211")] pub const fn inspect<F>(self, f: F) -> Self where - F: ~const FnOnce(&T) + ~const Destruct, + F: [const] FnOnce(&T) + [const] Destruct, { if let Ok(ref t) = self { f(t); @@ -1007,7 +1007,7 @@ impl<T, E> Result<T, E> { #[rustc_const_unstable(feature = "const_result_trait_fn", issue = "144211")] pub const fn inspect_err<F>(self, f: F) -> Self where - F: ~const FnOnce(&E) + ~const Destruct, + F: [const] FnOnce(&E) + [const] Destruct, { if let Err(ref e) = self { f(e); @@ -1254,8 +1254,8 @@ impl<T, E> Result<T, E> { #[rustc_const_unstable(feature = "const_result_trait_fn", issue = "144211")] pub const fn unwrap_or_default(self) -> T where - T: ~const Default + ~const Destruct, - E: ~const Destruct, + T: [const] Default + [const] Destruct, + E: [const] Destruct, { match self { Ok(x) => x, @@ -1350,7 +1350,7 @@ impl<T, E> Result<T, E> { #[rustc_const_unstable(feature = "const_try", issue = "74935")] pub const fn into_ok(self) -> T where - E: ~const Into<!>, + E: [const] Into<!>, { match self { Ok(x) => x, @@ -1387,7 +1387,7 @@ impl<T, E> Result<T, E> { #[rustc_const_unstable(feature = "const_try", issue = "74935")] pub const fn into_err(self) -> E where - T: ~const Into<!>, + T: [const] Into<!>, { match self { Ok(x) => x.into(), @@ -1431,9 +1431,9 @@ impl<T, E> Result<T, E> { #[rustc_const_unstable(feature = "const_result_trait_fn", issue = "144211")] pub const fn and<U>(self, res: Result<U, E>) -> Result<U, E> where - T: ~const Destruct, - E: ~const Destruct, - U: ~const Destruct, + T: [const] Destruct, + E: [const] Destruct, + U: [const] Destruct, { match self { Ok(_) => res, @@ -1477,7 +1477,7 @@ impl<T, E> Result<T, E> { #[rustc_confusables("flat_map", "flatmap")] pub const fn and_then<U, F>(self, op: F) -> Result<U, E> where - F: ~const FnOnce(T) -> Result<U, E> + ~const Destruct, + F: [const] FnOnce(T) -> Result<U, E> + [const] Destruct, { match self { Ok(t) => op(t), @@ -1517,9 +1517,9 @@ impl<T, E> Result<T, E> { #[rustc_const_unstable(feature = "const_result_trait_fn", issue = "144211")] pub const fn or<F>(self, res: Result<T, F>) -> Result<T, F> where - T: ~const Destruct, - E: ~const Destruct, - F: ~const Destruct, + T: [const] Destruct, + E: [const] Destruct, + F: [const] Destruct, { match self { Ok(v) => Ok(v), @@ -1548,7 +1548,7 @@ impl<T, E> Result<T, E> { #[rustc_const_unstable(feature = "const_result_trait_fn", issue = "144211")] pub const fn or_else<F, O>(self, op: O) -> Result<T, F> where - O: ~const FnOnce(E) -> Result<T, F> + ~const Destruct, + O: [const] FnOnce(E) -> Result<T, F> + [const] Destruct, { match self { Ok(t) => Ok(t), @@ -1579,8 +1579,8 @@ impl<T, E> Result<T, E> { #[rustc_const_unstable(feature = "const_result_trait_fn", issue = "144211")] pub const fn unwrap_or(self, default: T) -> T where - T: ~const Destruct, - E: ~const Destruct, + T: [const] Destruct, + E: [const] Destruct, { match self { Ok(t) => t, @@ -1605,7 +1605,7 @@ impl<T, E> Result<T, E> { #[rustc_const_unstable(feature = "const_result_trait_fn", issue = "144211")] pub const fn unwrap_or_else<F>(self, op: F) -> T where - F: ~const FnOnce(E) -> T + ~const Destruct, + F: [const] FnOnce(E) -> T + [const] Destruct, { match self { Ok(t) => t, @@ -2164,7 +2164,7 @@ impl<T, E> const ops::Try for Result<T, E> { #[unstable(feature = "try_trait_v2", issue = "84277", old_name = "try_trait")] #[rustc_const_unstable(feature = "const_try", issue = "74935")] -impl<T, E, F: ~const From<E>> const ops::FromResidual<Result<convert::Infallible, E>> +impl<T, E, F: [const] From<E>> const ops::FromResidual<Result<convert::Infallible, E>> for Result<T, F> { #[inline] @@ -2178,7 +2178,7 @@ impl<T, E, F: ~const From<E>> const ops::FromResidual<Result<convert::Infallible #[diagnostic::do_not_recommend] #[unstable(feature = "try_trait_v2_yeet", issue = "96374")] #[rustc_const_unstable(feature = "const_try", issue = "74935")] -impl<T, E, F: ~const From<E>> const ops::FromResidual<ops::Yeet<E>> for Result<T, F> { +impl<T, E, F: [const] From<E>> const ops::FromResidual<ops::Yeet<E>> for Result<T, F> { #[inline] fn from_residual(ops::Yeet(e): ops::Yeet<E>) -> Self { Err(From::from(e)) diff --git a/library/core/src/slice/cmp.rs b/library/core/src/slice/cmp.rs index 1eda8bc1bec..68bd12aa7bf 100644 --- a/library/core/src/slice/cmp.rs +++ b/library/core/src/slice/cmp.rs @@ -11,7 +11,7 @@ use crate::ops::ControlFlow; #[rustc_const_unstable(feature = "const_cmp", issue = "143800")] impl<T, U> const PartialEq<[U]> for [T] where - T: ~const PartialEq<U>, + T: [const] PartialEq<U>, { fn eq(&self, other: &[U]) -> bool { SlicePartialEq::equal(self, other) @@ -109,7 +109,7 @@ trait SlicePartialEq<B> { #[rustc_const_unstable(feature = "const_cmp", issue = "143800")] impl<A, B> const SlicePartialEq<B> for [A] where - A: ~const PartialEq<B>, + A: [const] PartialEq<B>, { default fn equal(&self, other: &[B]) -> bool { if self.len() != other.len() { @@ -138,7 +138,7 @@ where #[rustc_const_unstable(feature = "const_cmp", issue = "143800")] impl<A, B> const SlicePartialEq<B> for [A] where - A: ~const BytewiseEq<B>, + A: [const] BytewiseEq<B>, { fn equal(&self, other: &[B]) -> bool { if self.len() != other.len() { diff --git a/library/core/src/slice/index.rs b/library/core/src/slice/index.rs index 322b3580ede..ae360df80f6 100644 --- a/library/core/src/slice/index.rs +++ b/library/core/src/slice/index.rs @@ -9,7 +9,7 @@ use crate::{ops, range}; #[rustc_const_unstable(feature = "const_index", issue = "143775")] impl<T, I> const ops::Index<I> for [T] where - I: ~const SliceIndex<[T]>, + I: [const] SliceIndex<[T]>, { type Output = I::Output; @@ -23,7 +23,7 @@ where #[rustc_const_unstable(feature = "const_index", issue = "143775")] impl<T, I> const ops::IndexMut<I> for [T] where - I: ~const SliceIndex<[T]>, + I: [const] SliceIndex<[T]>, { #[inline(always)] fn index_mut(&mut self, index: I) -> &mut I::Output { diff --git a/library/core/src/slice/mod.rs b/library/core/src/slice/mod.rs index 1dddc48e68e..64f5b5dd831 100644 --- a/library/core/src/slice/mod.rs +++ b/library/core/src/slice/mod.rs @@ -569,7 +569,7 @@ impl<T> [T] { #[rustc_const_unstable(feature = "const_index", issue = "143775")] pub const fn get<I>(&self, index: I) -> Option<&I::Output> where - I: ~const SliceIndex<Self>, + I: [const] SliceIndex<Self>, { index.get(self) } @@ -596,7 +596,7 @@ impl<T> [T] { #[rustc_const_unstable(feature = "const_index", issue = "143775")] pub const fn get_mut<I>(&mut self, index: I) -> Option<&mut I::Output> where - I: ~const SliceIndex<Self>, + I: [const] SliceIndex<Self>, { index.get_mut(self) } @@ -636,7 +636,7 @@ impl<T> [T] { #[rustc_const_unstable(feature = "const_index", issue = "143775")] pub const unsafe fn get_unchecked<I>(&self, index: I) -> &I::Output where - I: ~const SliceIndex<Self>, + I: [const] SliceIndex<Self>, { // SAFETY: the caller must uphold most of the safety requirements for `get_unchecked`; // the slice is dereferenceable because `self` is a safe reference. @@ -681,7 +681,7 @@ impl<T> [T] { #[rustc_const_unstable(feature = "const_index", issue = "143775")] pub const unsafe fn get_unchecked_mut<I>(&mut self, index: I) -> &mut I::Output where - I: ~const SliceIndex<Self>, + I: [const] SliceIndex<Self>, { // SAFETY: the caller must uphold the safety requirements for `get_unchecked_mut`; // the slice is dereferenceable because `self` is a safe reference. @@ -969,7 +969,7 @@ impl<T> [T] { /// assert!(v == [3, 2, 1]); /// ``` #[stable(feature = "rust1", since = "1.0.0")] - #[rustc_const_stable(feature = "const_slice_reverse", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "const_slice_reverse", since = "1.90.0")] #[inline] pub const fn reverse(&mut self) { let half_len = self.len() / 2; diff --git a/library/core/src/str/mod.rs b/library/core/src/str/mod.rs index c40af4de7e0..1b6e84175b9 100644 --- a/library/core/src/str/mod.rs +++ b/library/core/src/str/mod.rs @@ -603,7 +603,7 @@ impl str { #[stable(feature = "str_checked_slicing", since = "1.20.0")] #[rustc_const_unstable(feature = "const_index", issue = "143775")] #[inline] - pub const fn get<I: ~const SliceIndex<str>>(&self, i: I) -> Option<&I::Output> { + pub const fn get<I: [const] SliceIndex<str>>(&self, i: I) -> Option<&I::Output> { i.get(self) } @@ -636,7 +636,7 @@ impl str { #[stable(feature = "str_checked_slicing", since = "1.20.0")] #[rustc_const_unstable(feature = "const_index", issue = "143775")] #[inline] - pub const fn get_mut<I: ~const SliceIndex<str>>(&mut self, i: I) -> Option<&mut I::Output> { + pub const fn get_mut<I: [const] SliceIndex<str>>(&mut self, i: I) -> Option<&mut I::Output> { i.get_mut(self) } diff --git a/library/core/src/str/traits.rs b/library/core/src/str/traits.rs index 1597d1c1fa8..dc88f35eca7 100644 --- a/library/core/src/str/traits.rs +++ b/library/core/src/str/traits.rs @@ -53,7 +53,7 @@ impl PartialOrd for str { #[rustc_const_unstable(feature = "const_index", issue = "143775")] impl<I> const ops::Index<I> for str where - I: ~const SliceIndex<str>, + I: [const] SliceIndex<str>, { type Output = I::Output; @@ -67,7 +67,7 @@ where #[rustc_const_unstable(feature = "const_index", issue = "143775")] impl<I> const ops::IndexMut<I> for str where - I: ~const SliceIndex<str>, + I: [const] SliceIndex<str>, { #[inline] fn index_mut(&mut self, index: I) -> &mut I::Output { diff --git a/library/coretests/tests/lib.rs b/library/coretests/tests/lib.rs index 0a9c0c61c95..a0c594d2d59 100644 --- a/library/coretests/tests/lib.rs +++ b/library/coretests/tests/lib.rs @@ -22,6 +22,7 @@ #![feature(const_ref_cell)] #![feature(const_result_trait_fn)] #![feature(const_trait_impl)] +#![feature(control_flow_ok)] #![feature(core_float_math)] #![feature(core_intrinsics)] #![feature(core_intrinsics_fallbacks)] diff --git a/library/coretests/tests/nonzero.rs b/library/coretests/tests/nonzero.rs index 00232c9b706..60e1149f6e6 100644 --- a/library/coretests/tests/nonzero.rs +++ b/library/coretests/tests/nonzero.rs @@ -321,7 +321,7 @@ fn nonzero_trailing_zeros() { } #[test] -fn test_nonzero_isolate_most_significant_one() { +fn test_nonzero_isolate_highest_one() { // Signed most significant one macro_rules! nonzero_int_impl { ($($T:ty),+) => { @@ -335,8 +335,8 @@ fn test_nonzero_isolate_most_significant_one() { let mut i = 0; while i < <$T>::BITS { assert_eq!( - NonZero::<$T>::new(BITS >> i).unwrap().isolate_most_significant_one(), - NonZero::<$T>::new(MOST_SIG_ONE >> i).unwrap().isolate_most_significant_one() + NonZero::<$T>::new(BITS >> i).unwrap().isolate_highest_one(), + NonZero::<$T>::new(MOST_SIG_ONE >> i).unwrap().isolate_highest_one() ); i += 1; } @@ -356,8 +356,8 @@ fn test_nonzero_isolate_most_significant_one() { let mut i = 0; while i < <$T>::BITS { assert_eq!( - NonZero::<$T>::new(BITS >> i).unwrap().isolate_most_significant_one(), - NonZero::<$T>::new(MOST_SIG_ONE >> i).unwrap().isolate_most_significant_one(), + NonZero::<$T>::new(BITS >> i).unwrap().isolate_highest_one(), + NonZero::<$T>::new(MOST_SIG_ONE >> i).unwrap().isolate_highest_one(), ); i += 1; } @@ -371,7 +371,7 @@ fn test_nonzero_isolate_most_significant_one() { } #[test] -fn test_nonzero_isolate_least_significant_one() { +fn test_nonzero_isolate_lowest_one() { // Signed least significant one macro_rules! nonzero_int_impl { ($($T:ty),+) => { @@ -385,8 +385,8 @@ fn test_nonzero_isolate_least_significant_one() { let mut i = 0; while i < <$T>::BITS { assert_eq!( - NonZero::<$T>::new(BITS << i).unwrap().isolate_least_significant_one(), - NonZero::<$T>::new(LEAST_SIG_ONE << i).unwrap().isolate_least_significant_one() + NonZero::<$T>::new(BITS << i).unwrap().isolate_lowest_one(), + NonZero::<$T>::new(LEAST_SIG_ONE << i).unwrap().isolate_lowest_one() ); i += 1; } @@ -406,8 +406,8 @@ fn test_nonzero_isolate_least_significant_one() { let mut i = 0; while i < <$T>::BITS { assert_eq!( - NonZero::<$T>::new(BITS << i).unwrap().isolate_least_significant_one(), - NonZero::<$T>::new(LEAST_SIG_ONE << i).unwrap().isolate_least_significant_one(), + NonZero::<$T>::new(BITS << i).unwrap().isolate_lowest_one(), + NonZero::<$T>::new(LEAST_SIG_ONE << i).unwrap().isolate_lowest_one(), ); i += 1; } diff --git a/library/coretests/tests/num/int_macros.rs b/library/coretests/tests/num/int_macros.rs index 41d399c1ad9..ca32fce861f 100644 --- a/library/coretests/tests/num/int_macros.rs +++ b/library/coretests/tests/num/int_macros.rs @@ -194,7 +194,7 @@ macro_rules! int_module { } #[test] - fn test_isolate_most_significant_one() { + fn test_isolate_highest_one() { const BITS: $T = -1; const MOST_SIG_ONE: $T = 1 << (<$T>::BITS - 1); @@ -203,15 +203,15 @@ macro_rules! int_module { let mut i = 0; while i < <$T>::BITS { assert_eq!( - (BITS >> i).isolate_most_significant_one(), - (MOST_SIG_ONE >> i).isolate_most_significant_one() + (BITS >> i).isolate_highest_one(), + (MOST_SIG_ONE >> i).isolate_highest_one() ); i += 1; } } #[test] - fn test_isolate_least_significant_one() { + fn test_isolate_lowest_one() { const BITS: $T = -1; const LEAST_SIG_ONE: $T = 1; @@ -220,8 +220,8 @@ macro_rules! int_module { let mut i = 0; while i < <$T>::BITS { assert_eq!( - (BITS << i).isolate_least_significant_one(), - (LEAST_SIG_ONE << i).isolate_least_significant_one() + (BITS << i).isolate_lowest_one(), + (LEAST_SIG_ONE << i).isolate_lowest_one() ); i += 1; } diff --git a/library/coretests/tests/num/uint_macros.rs b/library/coretests/tests/num/uint_macros.rs index 7e02027bdd6..8f389de70aa 100644 --- a/library/coretests/tests/num/uint_macros.rs +++ b/library/coretests/tests/num/uint_macros.rs @@ -151,7 +151,7 @@ macro_rules! uint_module { } #[test] - fn test_isolate_most_significant_one() { + fn test_isolate_highest_one() { const BITS: $T = <$T>::MAX; const MOST_SIG_ONE: $T = 1 << (<$T>::BITS - 1); @@ -160,15 +160,15 @@ macro_rules! uint_module { let mut i = 0; while i < <$T>::BITS { assert_eq!( - (BITS >> i).isolate_most_significant_one(), - (MOST_SIG_ONE >> i).isolate_most_significant_one(), + (BITS >> i).isolate_highest_one(), + (MOST_SIG_ONE >> i).isolate_highest_one(), ); i += 1; } } #[test] - fn test_isolate_least_significant_one() { + fn test_isolate_lowest_one() { const BITS: $T = <$T>::MAX; const LEAST_SIG_ONE: $T = 1; @@ -177,8 +177,8 @@ macro_rules! uint_module { let mut i = 0; while i < <$T>::BITS { assert_eq!( - (BITS << i).isolate_least_significant_one(), - (LEAST_SIG_ONE << i).isolate_least_significant_one(), + (BITS << i).isolate_lowest_one(), + (LEAST_SIG_ONE << i).isolate_lowest_one(), ); i += 1; } diff --git a/library/coretests/tests/ops/control_flow.rs b/library/coretests/tests/ops/control_flow.rs index eacfd63a6c4..1df6599ac4a 100644 --- a/library/coretests/tests/ops/control_flow.rs +++ b/library/coretests/tests/ops/control_flow.rs @@ -16,3 +16,15 @@ fn control_flow_discriminants_match_result() { discriminant_value(&Result::<i32, i32>::Ok(3)), ); } + +#[test] +fn control_flow_break_ok() { + assert_eq!(ControlFlow::<char, i32>::Break('b').break_ok(), Ok('b')); + assert_eq!(ControlFlow::<char, i32>::Continue(3).break_ok(), Err(3)); +} + +#[test] +fn control_flow_continue_ok() { + assert_eq!(ControlFlow::<char, i32>::Break('b').continue_ok(), Err('b')); + assert_eq!(ControlFlow::<char, i32>::Continue(3).continue_ok(), Ok(3)); +} diff --git a/library/std/src/fs.rs b/library/std/src/fs.rs index 72ad7c244ee..b3ca118a452 100644 --- a/library/std/src/fs.rs +++ b/library/std/src/fs.rs @@ -1111,6 +1111,11 @@ impl File { /// `futimes` on macOS before 10.13) and the `SetFileTime` function on Windows. Note that this /// [may change in the future][changes]. /// + /// On most platforms, including UNIX and Windows platforms, this function can also change the + /// timestamps of a directory. To get a `File` representing a directory in order to call + /// `set_times`, open the directory with `File::open` without attempting to obtain write + /// permission. + /// /// [changes]: io#platform-specific-behavior /// /// # Errors @@ -1128,7 +1133,7 @@ impl File { /// use std::fs::{self, File, FileTimes}; /// /// let src = fs::metadata("src")?; - /// let dest = File::options().write(true).open("dest")?; + /// let dest = File::open("dest")?; /// let times = FileTimes::new() /// .set_accessed(src.accessed()?) /// .set_modified(src.modified()?); diff --git a/library/std/src/num/f32.rs b/library/std/src/num/f32.rs index 2bff73add33..d16028c0543 100644 --- a/library/std/src/num/f32.rs +++ b/library/std/src/num/f32.rs @@ -44,7 +44,7 @@ impl f32 { #[rustc_allow_incoherent_impl] #[must_use = "method returns a new number and does not mutate the original value"] #[stable(feature = "rust1", since = "1.0.0")] - #[rustc_const_stable(feature = "const_float_round_methods", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "const_float_round_methods", since = "1.90.0")] #[inline] pub const fn floor(self) -> f32 { core::f32::math::floor(self) @@ -67,7 +67,7 @@ impl f32 { #[rustc_allow_incoherent_impl] #[must_use = "method returns a new number and does not mutate the original value"] #[stable(feature = "rust1", since = "1.0.0")] - #[rustc_const_stable(feature = "const_float_round_methods", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "const_float_round_methods", since = "1.90.0")] #[inline] pub const fn ceil(self) -> f32 { core::f32::math::ceil(self) @@ -96,7 +96,7 @@ impl f32 { #[rustc_allow_incoherent_impl] #[must_use = "method returns a new number and does not mutate the original value"] #[stable(feature = "rust1", since = "1.0.0")] - #[rustc_const_stable(feature = "const_float_round_methods", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "const_float_round_methods", since = "1.90.0")] #[inline] pub const fn round(self) -> f32 { core::f32::math::round(self) @@ -123,7 +123,7 @@ impl f32 { #[rustc_allow_incoherent_impl] #[must_use = "method returns a new number and does not mutate the original value"] #[stable(feature = "round_ties_even", since = "1.77.0")] - #[rustc_const_stable(feature = "const_float_round_methods", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "const_float_round_methods", since = "1.90.0")] #[inline] pub const fn round_ties_even(self) -> f32 { core::f32::math::round_ties_even(self) @@ -149,7 +149,7 @@ impl f32 { #[rustc_allow_incoherent_impl] #[must_use = "method returns a new number and does not mutate the original value"] #[stable(feature = "rust1", since = "1.0.0")] - #[rustc_const_stable(feature = "const_float_round_methods", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "const_float_round_methods", since = "1.90.0")] #[inline] pub const fn trunc(self) -> f32 { core::f32::math::trunc(self) @@ -173,7 +173,7 @@ impl f32 { #[rustc_allow_incoherent_impl] #[must_use = "method returns a new number and does not mutate the original value"] #[stable(feature = "rust1", since = "1.0.0")] - #[rustc_const_stable(feature = "const_float_round_methods", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "const_float_round_methods", since = "1.90.0")] #[inline] pub const fn fract(self) -> f32 { core::f32::math::fract(self) @@ -582,8 +582,8 @@ impl f32 { /// let abs_difference_x = (x.abs_sub(1.0) - 2.0).abs(); /// let abs_difference_y = (y.abs_sub(1.0) - 0.0).abs(); /// - /// assert!(abs_difference_x <= f32::EPSILON); - /// assert!(abs_difference_y <= f32::EPSILON); + /// assert!(abs_difference_x <= 1e-6); + /// assert!(abs_difference_y <= 1e-6); /// ``` #[rustc_allow_incoherent_impl] #[must_use = "method returns a new number and does not mutate the original value"] @@ -621,7 +621,7 @@ impl f32 { /// // x^(1/3) - 2 == 0 /// let abs_difference = (x.cbrt() - 2.0).abs(); /// - /// assert!(abs_difference <= f32::EPSILON); + /// assert!(abs_difference <= 1e-6); /// ``` #[rustc_allow_incoherent_impl] #[must_use = "method returns a new number and does not mutate the original value"] @@ -652,7 +652,7 @@ impl f32 { /// // sqrt(x^2 + y^2) /// let abs_difference = (x.hypot(y) - (x.powi(2) + y.powi(2)).sqrt()).abs(); /// - /// assert!(abs_difference <= 1e-6); + /// assert!(abs_difference <= 1e-5); /// ``` #[rustc_allow_incoherent_impl] #[must_use = "method returns a new number and does not mutate the original value"] @@ -725,7 +725,7 @@ impl f32 { /// let x = std::f32::consts::FRAC_PI_4; /// let abs_difference = (x.tan() - 1.0).abs(); /// - /// assert!(abs_difference <= f32::EPSILON); + /// assert!(abs_difference <= 1e-6); /// ``` #[rustc_allow_incoherent_impl] #[must_use = "method returns a new number and does not mutate the original value"] @@ -749,12 +749,12 @@ impl f32 { /// # Examples /// /// ``` - /// let f = std::f32::consts::FRAC_PI_2; + /// let f = std::f32::consts::FRAC_PI_4; /// /// // asin(sin(pi/2)) - /// let abs_difference = (f.sin().asin() - std::f32::consts::FRAC_PI_2).abs(); + /// let abs_difference = (f.sin().asin() - f).abs(); /// - /// assert!(abs_difference <= 1e-3); + /// assert!(abs_difference <= 1e-6); /// ``` #[doc(alias = "arcsin")] #[rustc_allow_incoherent_impl] @@ -813,7 +813,7 @@ impl f32 { /// // atan(tan(1)) /// let abs_difference = (f.tan().atan() - 1.0).abs(); /// - /// assert!(abs_difference <= f32::EPSILON); + /// assert!(abs_difference <= 1e-6); /// ``` #[doc(alias = "arctan")] #[rustc_allow_incoherent_impl] @@ -854,8 +854,8 @@ impl f32 { /// let abs_difference_1 = (y1.atan2(x1) - (-std::f32::consts::FRAC_PI_4)).abs(); /// let abs_difference_2 = (y2.atan2(x2) - (3.0 * std::f32::consts::FRAC_PI_4)).abs(); /// - /// assert!(abs_difference_1 <= f32::EPSILON); - /// assert!(abs_difference_2 <= f32::EPSILON); + /// assert!(abs_difference_1 <= 1e-5); + /// assert!(abs_difference_2 <= 1e-5); /// ``` #[rustc_allow_incoherent_impl] #[must_use = "method returns a new number and does not mutate the original value"] @@ -884,8 +884,8 @@ impl f32 { /// let abs_difference_0 = (f.0 - x.sin()).abs(); /// let abs_difference_1 = (f.1 - x.cos()).abs(); /// - /// assert!(abs_difference_0 <= 1e-6); - /// assert!(abs_difference_1 <= 1e-6); + /// assert!(abs_difference_0 <= 1e-4); + /// assert!(abs_difference_1 <= 1e-4); /// ``` #[doc(alias = "sincos")] #[rustc_allow_incoherent_impl] @@ -982,7 +982,7 @@ impl f32 { /// let g = ((e * e) - 1.0) / (2.0 * e); /// let abs_difference = (f - g).abs(); /// - /// assert!(abs_difference <= f32::EPSILON); + /// assert!(abs_difference <= 1e-6); /// ``` #[rustc_allow_incoherent_impl] #[must_use = "method returns a new number and does not mutate the original value"] @@ -1012,7 +1012,7 @@ impl f32 { /// let abs_difference = (f - g).abs(); /// /// // Same result - /// assert!(abs_difference <= f32::EPSILON); + /// assert!(abs_difference <= 1e-6); /// ``` #[rustc_allow_incoherent_impl] #[must_use = "method returns a new number and does not mutate the original value"] @@ -1042,7 +1042,7 @@ impl f32 { /// let g = (1.0 - e.powi(-2)) / (1.0 + e.powi(-2)); /// let abs_difference = (f - g).abs(); /// - /// assert!(abs_difference <= f32::EPSILON); + /// assert!(abs_difference <= 1e-6); /// ``` #[rustc_allow_incoherent_impl] #[must_use = "method returns a new number and does not mutate the original value"] @@ -1067,7 +1067,7 @@ impl f32 { /// /// let abs_difference = (f - x).abs(); /// - /// assert!(abs_difference <= 1e-7); + /// assert!(abs_difference <= 1e-6); /// ``` #[doc(alias = "arcsinh")] #[rustc_allow_incoherent_impl] @@ -1125,7 +1125,7 @@ impl f32 { /// /// let abs_difference = (f - e).abs(); /// - /// assert!(abs_difference <= 1e-5); + /// assert!(abs_difference <= 1e-4); /// ``` #[doc(alias = "arctanh")] #[rustc_allow_incoherent_impl] @@ -1153,7 +1153,7 @@ impl f32 { /// /// let abs_difference = (x.gamma() - 24.0).abs(); /// - /// assert!(abs_difference <= f32::EPSILON); + /// assert!(abs_difference <= 1e-4); /// ``` #[rustc_allow_incoherent_impl] #[must_use = "method returns a new number and does not mutate the original value"] @@ -1248,7 +1248,7 @@ impl f32 { /// let one = x.erf() + x.erfc(); /// let abs_difference = (one - 1.0).abs(); /// - /// assert!(abs_difference <= f32::EPSILON); + /// assert!(abs_difference <= 1e-6); /// ``` #[rustc_allow_incoherent_impl] #[must_use = "method returns a new number and does not mutate the original value"] diff --git a/library/std/src/num/f64.rs b/library/std/src/num/f64.rs index b71e319f407..91e8f161c51 100644 --- a/library/std/src/num/f64.rs +++ b/library/std/src/num/f64.rs @@ -44,7 +44,7 @@ impl f64 { #[rustc_allow_incoherent_impl] #[must_use = "method returns a new number and does not mutate the original value"] #[stable(feature = "rust1", since = "1.0.0")] - #[rustc_const_stable(feature = "const_float_round_methods", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "const_float_round_methods", since = "1.90.0")] #[inline] pub const fn floor(self) -> f64 { core::f64::math::floor(self) @@ -67,7 +67,7 @@ impl f64 { #[rustc_allow_incoherent_impl] #[must_use = "method returns a new number and does not mutate the original value"] #[stable(feature = "rust1", since = "1.0.0")] - #[rustc_const_stable(feature = "const_float_round_methods", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "const_float_round_methods", since = "1.90.0")] #[inline] pub const fn ceil(self) -> f64 { core::f64::math::ceil(self) @@ -96,7 +96,7 @@ impl f64 { #[rustc_allow_incoherent_impl] #[must_use = "method returns a new number and does not mutate the original value"] #[stable(feature = "rust1", since = "1.0.0")] - #[rustc_const_stable(feature = "const_float_round_methods", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "const_float_round_methods", since = "1.90.0")] #[inline] pub const fn round(self) -> f64 { core::f64::math::round(self) @@ -123,7 +123,7 @@ impl f64 { #[rustc_allow_incoherent_impl] #[must_use = "method returns a new number and does not mutate the original value"] #[stable(feature = "round_ties_even", since = "1.77.0")] - #[rustc_const_stable(feature = "const_float_round_methods", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "const_float_round_methods", since = "1.90.0")] #[inline] pub const fn round_ties_even(self) -> f64 { core::f64::math::round_ties_even(self) @@ -149,7 +149,7 @@ impl f64 { #[rustc_allow_incoherent_impl] #[must_use = "method returns a new number and does not mutate the original value"] #[stable(feature = "rust1", since = "1.0.0")] - #[rustc_const_stable(feature = "const_float_round_methods", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "const_float_round_methods", since = "1.90.0")] #[inline] pub const fn trunc(self) -> f64 { core::f64::math::trunc(self) @@ -173,7 +173,7 @@ impl f64 { #[rustc_allow_incoherent_impl] #[must_use = "method returns a new number and does not mutate the original value"] #[stable(feature = "rust1", since = "1.0.0")] - #[rustc_const_stable(feature = "const_float_round_methods", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "const_float_round_methods", since = "1.90.0")] #[inline] pub const fn fract(self) -> f64 { core::f64::math::fract(self) @@ -749,12 +749,12 @@ impl f64 { /// # Examples /// /// ``` - /// let f = std::f64::consts::FRAC_PI_2; + /// let f = std::f64::consts::FRAC_PI_4; /// /// // asin(sin(pi/2)) - /// let abs_difference = (f.sin().asin() - std::f64::consts::FRAC_PI_2).abs(); + /// let abs_difference = (f.sin().asin() - f).abs(); /// - /// assert!(abs_difference < 1e-7); + /// assert!(abs_difference < 1e-14); /// ``` #[doc(alias = "arcsin")] #[rustc_allow_incoherent_impl] @@ -1153,7 +1153,7 @@ impl f64 { /// /// let abs_difference = (x.gamma() - 24.0).abs(); /// - /// assert!(abs_difference <= f64::EPSILON); + /// assert!(abs_difference <= 1e-10); /// ``` #[rustc_allow_incoherent_impl] #[must_use = "method returns a new number and does not mutate the original value"] @@ -1248,7 +1248,7 @@ impl f64 { /// let one = x.erf() + x.erfc(); /// let abs_difference = (one - 1.0).abs(); /// - /// assert!(abs_difference <= f64::EPSILON); + /// assert!(abs_difference <= 1e-10); /// ``` #[rustc_allow_incoherent_impl] #[must_use = "method returns a new number and does not mutate the original value"] diff --git a/library/std/src/panic.rs b/library/std/src/panic.rs index 913ef72f674..cff4f20b5a8 100644 --- a/library/std/src/panic.rs +++ b/library/std/src/panic.rs @@ -108,8 +108,6 @@ impl<'a> PanicHookInfo<'a> { /// # Example /// /// ```should_panic - /// #![feature(panic_payload_as_str)] - /// /// std::panic::set_hook(Box::new(|panic_info| { /// if let Some(s) = panic_info.payload_as_str() { /// println!("panic occurred: {s:?}"); @@ -122,7 +120,7 @@ impl<'a> PanicHookInfo<'a> { /// ``` #[must_use] #[inline] - #[unstable(feature = "panic_payload_as_str", issue = "125175")] + #[stable(feature = "panic_payload_as_str", since = "CURRENT_RUSTC_VERSION")] pub fn payload_as_str(&self) -> Option<&str> { if let Some(s) = self.payload.downcast_ref::<&str>() { Some(s) diff --git a/library/std/src/panicking.rs b/library/std/src/panicking.rs index 224cd39855a..547906ca7dc 100644 --- a/library/std/src/panicking.rs +++ b/library/std/src/panicking.rs @@ -269,6 +269,7 @@ fn default_hook(info: &PanicHookInfo<'_>) { thread::with_current_name(|name| { let name = name.unwrap_or("<unnamed>"); + let tid = thread::current_os_id(); // Try to write the panic message to a buffer first to prevent other concurrent outputs // interleaving with it. @@ -277,7 +278,7 @@ fn default_hook(info: &PanicHookInfo<'_>) { let write_msg = |dst: &mut dyn crate::io::Write| { // We add a newline to ensure the panic message appears at the start of a line. - writeln!(dst, "\nthread '{name}' panicked at {location}:\n{msg}") + writeln!(dst, "\nthread '{name}' ({tid}) panicked at {location}:\n{msg}") }; if write_msg(&mut cursor).is_ok() { diff --git a/library/std/src/path.rs b/library/std/src/path.rs index 055e7f81480..e7ba6936435 100644 --- a/library/std/src/path.rs +++ b/library/std/src/path.rs @@ -2683,6 +2683,8 @@ impl Path { /// /// assert_eq!("foo", Path::new("foo.rs").file_prefix().unwrap()); /// assert_eq!("foo", Path::new("foo.tar.gz").file_prefix().unwrap()); + /// assert_eq!(".config", Path::new(".config").file_prefix().unwrap()); + /// assert_eq!(".config", Path::new(".config.toml").file_prefix().unwrap()); /// ``` /// /// # See Also diff --git a/library/std/src/sys/args/common.rs b/library/std/src/sys/args/common.rs index e787105a05a..33f3794ee63 100644 --- a/library/std/src/sys/args/common.rs +++ b/library/std/src/sys/args/common.rs @@ -12,7 +12,7 @@ impl !Sync for Args {} impl Args { #[inline] - pub(super) fn new(args: Vec<OsString>) -> Self { + pub fn new(args: Vec<OsString>) -> Self { Args { iter: args.into_iter() } } } diff --git a/library/std/src/sys/pal/hermit/thread.rs b/library/std/src/sys/pal/hermit/thread.rs index 95fe4f902d3..cc4734b6819 100644 --- a/library/std/src/sys/pal/hermit/thread.rs +++ b/library/std/src/sys/pal/hermit/thread.rs @@ -115,6 +115,10 @@ impl Thread { } } +pub(crate) fn current_os_id() -> Option<u64> { + None +} + pub fn available_parallelism() -> io::Result<NonZero<usize>> { unsafe { Ok(NonZero::new_unchecked(hermit_abi::available_parallelism())) } } diff --git a/library/std/src/sys/pal/itron/thread.rs b/library/std/src/sys/pal/itron/thread.rs index 0d28051fcc4..4e14cb3cbca 100644 --- a/library/std/src/sys/pal/itron/thread.rs +++ b/library/std/src/sys/pal/itron/thread.rs @@ -361,6 +361,10 @@ unsafe fn terminate_and_delete_current_task() -> ! { unsafe { crate::hint::unreachable_unchecked() }; } +pub(crate) fn current_os_id() -> Option<u64> { + None +} + pub fn available_parallelism() -> io::Result<NonZero<usize>> { super::unsupported() } diff --git a/library/std/src/sys/pal/sgx/thread.rs b/library/std/src/sys/pal/sgx/thread.rs index a236c362706..1f613badcd7 100644 --- a/library/std/src/sys/pal/sgx/thread.rs +++ b/library/std/src/sys/pal/sgx/thread.rs @@ -1,6 +1,6 @@ #![cfg_attr(test, allow(dead_code))] // why is this necessary? -use super::abi::usercalls; +use super::abi::{thread, usercalls}; use super::unsupported; use crate::ffi::CStr; use crate::io; @@ -149,6 +149,10 @@ impl Thread { } } +pub(crate) fn current_os_id() -> Option<u64> { + Some(thread::current().addr().get() as u64) +} + pub fn available_parallelism() -> io::Result<NonZero<usize>> { unsupported() } diff --git a/library/std/src/sys/pal/teeos/thread.rs b/library/std/src/sys/pal/teeos/thread.rs index a91d95626e7..1812d11e692 100644 --- a/library/std/src/sys/pal/teeos/thread.rs +++ b/library/std/src/sys/pal/teeos/thread.rs @@ -144,6 +144,10 @@ impl Drop for Thread { } } +pub(crate) fn current_os_id() -> Option<u64> { + None +} + // Note: Both `sched_getaffinity` and `sysconf` are available but not functional on // teeos, so this function always returns an Error! pub fn available_parallelism() -> io::Result<NonZero<usize>> { diff --git a/library/std/src/sys/pal/uefi/thread.rs b/library/std/src/sys/pal/uefi/thread.rs index 75c364362b2..47a48008c76 100644 --- a/library/std/src/sys/pal/uefi/thread.rs +++ b/library/std/src/sys/pal/uefi/thread.rs @@ -56,6 +56,10 @@ impl Thread { } } +pub(crate) fn current_os_id() -> Option<u64> { + None +} + pub fn available_parallelism() -> io::Result<NonZero<usize>> { // UEFI is single threaded Ok(NonZero::new(1).unwrap()) diff --git a/library/std/src/sys/pal/unix/stack_overflow.rs b/library/std/src/sys/pal/unix/stack_overflow.rs index d89100e6919..0d2100d66bc 100644 --- a/library/std/src/sys/pal/unix/stack_overflow.rs +++ b/library/std/src/sys/pal/unix/stack_overflow.rs @@ -119,7 +119,8 @@ mod imp { && thread_info.guard_page_range.contains(&fault_addr) { let name = thread_info.thread_name.as_deref().unwrap_or("<unknown>"); - rtprintpanic!("\nthread '{name}' has overflowed its stack\n"); + let tid = crate::thread::current_os_id(); + rtprintpanic!("\nthread '{name}' ({tid}) has overflowed its stack\n"); rtabort!("stack overflow"); } }) @@ -696,7 +697,8 @@ mod imp { if code == c::EXCEPTION_STACK_OVERFLOW { crate::thread::with_current_name(|name| { let name = name.unwrap_or("<unknown>"); - rtprintpanic!("\nthread '{name}' has overflowed its stack\n"); + let tid = crate::thread::current_os_id(); + rtprintpanic!("\nthread '{name}' ({tid}) has overflowed its stack\n"); }); } c::EXCEPTION_CONTINUE_SEARCH diff --git a/library/std/src/sys/pal/unix/thread.rs b/library/std/src/sys/pal/unix/thread.rs index 7f6440152d4..36e53e7cadc 100644 --- a/library/std/src/sys/pal/unix/thread.rs +++ b/library/std/src/sys/pal/unix/thread.rs @@ -398,6 +398,62 @@ impl Drop for Thread { } } +pub(crate) fn current_os_id() -> Option<u64> { + // Most Unix platforms have a way to query an integer ID of the current thread, all with + // slightly different spellings. + // + // The OS thread ID is used rather than `pthread_self` so as to match what will be displayed + // for process inspection (debuggers, trace, `top`, etc.). + cfg_if::cfg_if! { + // Most platforms have a function returning a `pid_t` or int, which is an `i32`. + if #[cfg(any(target_os = "android", target_os = "linux"))] { + use crate::sys::weak::syscall; + + // `libc::gettid` is only available on glibc 2.30+, but the syscall is available + // since Linux 2.4.11. + syscall!(fn gettid() -> libc::pid_t;); + + // SAFETY: FFI call with no preconditions. + let id: libc::pid_t = unsafe { gettid() }; + Some(id as u64) + } else if #[cfg(target_os = "nto")] { + // SAFETY: FFI call with no preconditions. + let id: libc::pid_t = unsafe { libc::gettid() }; + Some(id as u64) + } else if #[cfg(target_os = "openbsd")] { + // SAFETY: FFI call with no preconditions. + let id: libc::pid_t = unsafe { libc::getthrid() }; + Some(id as u64) + } else if #[cfg(target_os = "freebsd")] { + // SAFETY: FFI call with no preconditions. + let id: libc::c_int = unsafe { libc::pthread_getthreadid_np() }; + Some(id as u64) + } else if #[cfg(target_os = "netbsd")] { + // SAFETY: FFI call with no preconditions. + let id: libc::lwpid_t = unsafe { libc::_lwp_self() }; + Some(id as u64) + } else if #[cfg(any(target_os = "illumos", target_os = "solaris"))] { + // On Illumos and Solaris, the `pthread_t` is the same as the OS thread ID. + // SAFETY: FFI call with no preconditions. + let id: libc::pthread_t = unsafe { libc::pthread_self() }; + Some(id as u64) + } else if #[cfg(target_vendor = "apple")] { + // Apple allows querying arbitrary thread IDs, `thread=NULL` queries the current thread. + let mut id = 0u64; + // SAFETY: `thread_id` is a valid pointer, no other preconditions. + let status: libc::c_int = unsafe { libc::pthread_threadid_np(0, &mut id) }; + if status == 0 { + Some(id) + } else { + None + } + } else { + // Other platforms don't have an OS thread ID or don't have a way to access it. + None + } + } +} + #[cfg(any( target_os = "linux", target_os = "nto", diff --git a/library/std/src/sys/pal/unsupported/thread.rs b/library/std/src/sys/pal/unsupported/thread.rs index 5a1e3fde986..34d9b5ec70c 100644 --- a/library/std/src/sys/pal/unsupported/thread.rs +++ b/library/std/src/sys/pal/unsupported/thread.rs @@ -39,6 +39,10 @@ impl Thread { } } +pub(crate) fn current_os_id() -> Option<u64> { + None +} + pub fn available_parallelism() -> io::Result<NonZero<usize>> { unsupported() } diff --git a/library/std/src/sys/pal/wasi/thread.rs b/library/std/src/sys/pal/wasi/thread.rs index a46c74630c9..4755e2ef5da 100644 --- a/library/std/src/sys/pal/wasi/thread.rs +++ b/library/std/src/sys/pal/wasi/thread.rs @@ -194,6 +194,10 @@ impl Thread { } } +pub(crate) fn current_os_id() -> Option<u64> { + None +} + pub fn available_parallelism() -> io::Result<NonZero<usize>> { cfg_if::cfg_if! { if #[cfg(target_feature = "atomics")] { diff --git a/library/std/src/sys/pal/windows/c/bindings.txt b/library/std/src/sys/pal/windows/c/bindings.txt index 827d96e73db..c8e4dca4781 100644 --- a/library/std/src/sys/pal/windows/c/bindings.txt +++ b/library/std/src/sys/pal/windows/c/bindings.txt @@ -2185,6 +2185,7 @@ GetSystemInfo GetSystemTimeAsFileTime GetSystemTimePreciseAsFileTime GetTempPathW +GetThreadId GetUserProfileDirectoryW GetWindowsDirectoryW HANDLE diff --git a/library/std/src/sys/pal/windows/c/windows_sys.rs b/library/std/src/sys/pal/windows/c/windows_sys.rs index b2e3aabc633..45a273d241a 100644 --- a/library/std/src/sys/pal/windows/c/windows_sys.rs +++ b/library/std/src/sys/pal/windows/c/windows_sys.rs @@ -61,6 +61,7 @@ windows_targets::link!("kernel32.dll" "system" fn GetSystemInfo(lpsysteminfo : * windows_targets::link!("kernel32.dll" "system" fn GetSystemTimeAsFileTime(lpsystemtimeasfiletime : *mut FILETIME)); windows_targets::link!("kernel32.dll" "system" fn GetSystemTimePreciseAsFileTime(lpsystemtimeasfiletime : *mut FILETIME)); windows_targets::link!("kernel32.dll" "system" fn GetTempPathW(nbufferlength : u32, lpbuffer : PWSTR) -> u32); +windows_targets::link!("kernel32.dll" "system" fn GetThreadId(thread : HANDLE) -> u32); windows_targets::link!("userenv.dll" "system" fn GetUserProfileDirectoryW(htoken : HANDLE, lpprofiledir : PWSTR, lpcchsize : *mut u32) -> BOOL); windows_targets::link!("kernel32.dll" "system" fn GetWindowsDirectoryW(lpbuffer : PWSTR, usize : u32) -> u32); windows_targets::link!("kernel32.dll" "system" fn InitOnceBeginInitialize(lpinitonce : *mut INIT_ONCE, dwflags : u32, fpending : *mut BOOL, lpcontext : *mut *mut core::ffi::c_void) -> BOOL); diff --git a/library/std/src/sys/pal/windows/stack_overflow.rs b/library/std/src/sys/pal/windows/stack_overflow.rs index 734cd30bed0..9a40551b985 100644 --- a/library/std/src/sys/pal/windows/stack_overflow.rs +++ b/library/std/src/sys/pal/windows/stack_overflow.rs @@ -20,7 +20,8 @@ unsafe extern "system" fn vectored_handler(ExceptionInfo: *mut c::EXCEPTION_POIN if code == c::EXCEPTION_STACK_OVERFLOW { thread::with_current_name(|name| { let name = name.unwrap_or("<unknown>"); - rtprintpanic!("\nthread '{name}' has overflowed its stack\n"); + let tid = thread::current_os_id(); + rtprintpanic!("\nthread '{name}' ({tid}) has overflowed its stack\n"); }); } c::EXCEPTION_CONTINUE_SEARCH diff --git a/library/std/src/sys/pal/windows/thread.rs b/library/std/src/sys/pal/windows/thread.rs index b45f76fb546..c708da5af12 100644 --- a/library/std/src/sys/pal/windows/thread.rs +++ b/library/std/src/sys/pal/windows/thread.rs @@ -127,6 +127,14 @@ impl Thread { } } +pub(crate) fn current_os_id() -> Option<u64> { + // SAFETY: FFI call with no preconditions. + let id: u32 = unsafe { c::GetThreadId(c::GetCurrentThread()) }; + + // A return value of 0 indicates failed lookup. + if id == 0 { None } else { Some(id.into()) } +} + pub fn available_parallelism() -> io::Result<NonZero<usize>> { let res = unsafe { let mut sysinfo: c::SYSTEM_INFO = crate::mem::zeroed(); diff --git a/library/std/src/sys/pal/xous/thread.rs b/library/std/src/sys/pal/xous/thread.rs index f2404a62abf..92803c94c6e 100644 --- a/library/std/src/sys/pal/xous/thread.rs +++ b/library/std/src/sys/pal/xous/thread.rs @@ -145,6 +145,10 @@ impl Thread { } } +pub(crate) fn current_os_id() -> Option<u64> { + None +} + pub fn available_parallelism() -> io::Result<NonZero<usize>> { // We're unicore right now. Ok(unsafe { NonZero::new_unchecked(1) }) diff --git a/library/std/src/thread/current.rs b/library/std/src/thread/current.rs index 414711298f0..5c879903526 100644 --- a/library/std/src/thread/current.rs +++ b/library/std/src/thread/current.rs @@ -1,4 +1,4 @@ -use super::{Thread, ThreadId}; +use super::{Thread, ThreadId, imp}; use crate::mem::ManuallyDrop; use crate::ptr; use crate::sys::thread_local::local_pointer; @@ -148,6 +148,17 @@ pub(crate) fn current_id() -> ThreadId { id::get_or_init() } +/// Gets the OS thread ID of the thread that invokes it, if available. If not, return the Rust +/// thread ID. +/// +/// We use a `u64` to all possible platform IDs without excess `cfg`; most use `int`, some use a +/// pointer, and Apple uses `uint64_t`. This is a "best effort" approach for diagnostics and is +/// allowed to fall back to a non-OS ID (such as the Rust thread ID) or a non-unique ID (such as a +/// PID) if the thread ID cannot be retrieved. +pub(crate) fn current_os_id() -> u64 { + imp::current_os_id().unwrap_or_else(|| current_id().as_u64().get()) +} + /// Gets a reference to the handle of the thread that invokes it, if the handle /// has been initialized. pub(super) fn try_with_current<F, R>(f: F) -> R diff --git a/library/std/src/thread/mod.rs b/library/std/src/thread/mod.rs index 8d3ab82ace1..292323d0118 100644 --- a/library/std/src/thread/mod.rs +++ b/library/std/src/thread/mod.rs @@ -183,7 +183,7 @@ mod current; #[stable(feature = "rust1", since = "1.0.0")] pub use current::current; -pub(crate) use current::{current_id, current_or_unnamed, drop_current}; +pub(crate) use current::{current_id, current_or_unnamed, current_os_id, drop_current}; use current::{set_current, try_with_current}; mod spawnhook; diff --git a/library/std/src/thread/tests.rs b/library/std/src/thread/tests.rs index 59ec48a57d1..ae889f1e778 100644 --- a/library/std/src/thread/tests.rs +++ b/library/std/src/thread/tests.rs @@ -347,6 +347,13 @@ fn test_thread_id_not_equal() { } #[test] +fn test_thread_os_id_not_equal() { + let spawned_id = thread::spawn(|| thread::current_os_id()).join().unwrap(); + let current_id = thread::current_os_id(); + assert!(current_id != spawned_id); +} + +#[test] fn test_scoped_threads_drop_result_before_join() { let actually_finished = &AtomicBool::new(false); struct X<'scope, 'env>(&'scope Scope<'scope, 'env>, &'env AtomicBool); diff --git a/library/std/tests/floats/f32.rs b/library/std/tests/floats/f32.rs index 38c906c1d87..bea9e8282a6 100644 --- a/library/std/tests/floats/f32.rs +++ b/library/std/tests/floats/f32.rs @@ -79,7 +79,7 @@ fn test_log() { let nan: f32 = f32::NAN; let inf: f32 = f32::INFINITY; let neg_inf: f32 = f32::NEG_INFINITY; - assert_approx_eq!(10.0f32.log(10.0), 1.0); + assert_approx_eq!(10.0f32.log(10.0), 1.0, APPROX_DELTA); assert_approx_eq!(2.3f32.log(3.5), 0.664858); assert_approx_eq!(1.0f32.exp().log(1.0f32.exp()), 1.0, APPROX_DELTA); assert!(1.0f32.log(1.0).is_nan()); @@ -140,10 +140,10 @@ fn test_asinh() { assert_approx_eq!(2.0f32.asinh(), 1.443635475178810342493276740273105f32); assert_approx_eq!((-2.0f32).asinh(), -1.443635475178810342493276740273105f32); // regression test for the catastrophic cancellation fixed in 72486 - assert_approx_eq!((-3000.0f32).asinh(), -8.699514775987968673236893537700647f32); + assert_approx_eq!((-3000.0f32).asinh(), -8.699514775987968673236893537700647f32, APPROX_DELTA); // test for low accuracy from issue 104548 - assert_approx_eq!(60.0f32, 60.0f32.sinh().asinh()); + assert_approx_eq!(60.0f32, 60.0f32.sinh().asinh(), APPROX_DELTA); // mul needed for approximate comparison to be meaningful assert_approx_eq!(1.0f32, 1e-15f32.sinh().asinh() * 1e15f32); } @@ -196,10 +196,10 @@ fn test_gamma() { assert_approx_eq!(1.0f32.gamma(), 1.0f32); assert_approx_eq!(2.0f32.gamma(), 1.0f32); assert_approx_eq!(3.0f32.gamma(), 2.0f32); - assert_approx_eq!(4.0f32.gamma(), 6.0f32); - assert_approx_eq!(5.0f32.gamma(), 24.0f32); + assert_approx_eq!(4.0f32.gamma(), 6.0f32, APPROX_DELTA); + assert_approx_eq!(5.0f32.gamma(), 24.0f32, APPROX_DELTA); assert_approx_eq!(0.5f32.gamma(), consts::PI.sqrt()); - assert_approx_eq!((-0.5f32).gamma(), -2.0 * consts::PI.sqrt()); + assert_approx_eq!((-0.5f32).gamma(), -2.0 * consts::PI.sqrt(), APPROX_DELTA); assert_eq!(0.0f32.gamma(), f32::INFINITY); assert_eq!((-0.0f32).gamma(), f32::NEG_INFINITY); assert!((-1.0f32).gamma().is_nan()); @@ -218,7 +218,7 @@ fn test_ln_gamma() { assert_eq!(2.0f32.ln_gamma().1, 1); assert_approx_eq!(3.0f32.ln_gamma().0, 2.0f32.ln()); assert_eq!(3.0f32.ln_gamma().1, 1); - assert_approx_eq!((-0.5f32).ln_gamma().0, (2.0 * consts::PI.sqrt()).ln()); + assert_approx_eq!((-0.5f32).ln_gamma().0, (2.0 * consts::PI.sqrt()).ln(), APPROX_DELTA); assert_eq!((-0.5f32).ln_gamma().1, -1); } diff --git a/library/test/src/console.rs b/library/test/src/console.rs index 8f29f1dada5..13b2b3d502c 100644 --- a/library/test/src/console.rs +++ b/library/test/src/console.rs @@ -281,23 +281,15 @@ fn on_test_event( Ok(()) } -/// A simple console test runner. -/// Runs provided tests reporting process and results to the stdout. -pub fn run_tests_console(opts: &TestOpts, tests: Vec<TestDescAndFn>) -> io::Result<bool> { +pub(crate) fn get_formatter(opts: &TestOpts, max_name_len: usize) -> Box<dyn OutputFormatter> { let output = match term::stdout() { None => OutputLocation::Raw(io::stdout()), Some(t) => OutputLocation::Pretty(t), }; - let max_name_len = tests - .iter() - .max_by_key(|t| len_if_padded(t)) - .map(|t| t.desc.name.as_slice().len()) - .unwrap_or(0); - let is_multithreaded = opts.test_threads.unwrap_or_else(get_concurrency) > 1; - let mut out: Box<dyn OutputFormatter> = match opts.format { + match opts.format { OutputFormat::Pretty => Box::new(PrettyFormatter::new( output, opts.use_color(), @@ -310,7 +302,19 @@ pub fn run_tests_console(opts: &TestOpts, tests: Vec<TestDescAndFn>) -> io::Resu } OutputFormat::Json => Box::new(JsonFormatter::new(output)), OutputFormat::Junit => Box::new(JunitFormatter::new(output)), - }; + } +} + +/// A simple console test runner. +/// Runs provided tests reporting process and results to the stdout. +pub fn run_tests_console(opts: &TestOpts, tests: Vec<TestDescAndFn>) -> io::Result<bool> { + let max_name_len = tests + .iter() + .max_by_key(|t| len_if_padded(t)) + .map(|t| t.desc.name.as_slice().len()) + .unwrap_or(0); + + let mut out = get_formatter(opts, max_name_len); let mut st = ConsoleTestState::new(opts)?; // Prevent the usage of `Instant` in some cases: diff --git a/library/test/src/formatters/json.rs b/library/test/src/formatters/json.rs index 92c1c0716f1..4a101f00d74 100644 --- a/library/test/src/formatters/json.rs +++ b/library/test/src/formatters/json.rs @@ -215,6 +215,17 @@ impl<T: Write> OutputFormatter for JsonFormatter<T> { Ok(state.failed == 0) } + + fn write_merged_doctests_times( + &mut self, + total_time: f64, + compilation_time: f64, + ) -> io::Result<()> { + let newline = "\n"; + self.writeln_message(&format!( + r#"{{ "type": "report", "total_time": {total_time}, "compilation_time": {compilation_time} }}{newline}"#, + )) + } } /// A formatting utility used to print strings with characters in need of escaping. diff --git a/library/test/src/formatters/junit.rs b/library/test/src/formatters/junit.rs index 84153a9d05b..1566f1cb1da 100644 --- a/library/test/src/formatters/junit.rs +++ b/library/test/src/formatters/junit.rs @@ -182,6 +182,16 @@ impl<T: Write> OutputFormatter for JunitFormatter<T> { Ok(state.failed == 0) } + + fn write_merged_doctests_times( + &mut self, + total_time: f64, + compilation_time: f64, + ) -> io::Result<()> { + self.write_message(&format!( + "<report total_time=\"{total_time}\" compilation_time=\"{compilation_time}\"></report>\n", + )) + } } fn parse_class_name(desc: &TestDesc) -> (String, String) { diff --git a/library/test/src/formatters/mod.rs b/library/test/src/formatters/mod.rs index f1225fecfef..c97cdb16a50 100644 --- a/library/test/src/formatters/mod.rs +++ b/library/test/src/formatters/mod.rs @@ -33,6 +33,11 @@ pub(crate) trait OutputFormatter { state: &ConsoleTestState, ) -> io::Result<()>; fn write_run_finish(&mut self, state: &ConsoleTestState) -> io::Result<bool>; + fn write_merged_doctests_times( + &mut self, + total_time: f64, + compilation_time: f64, + ) -> io::Result<()>; } pub(crate) fn write_stderr_delimiter(test_output: &mut Vec<u8>, test_name: &TestName) { diff --git a/library/test/src/formatters/pretty.rs b/library/test/src/formatters/pretty.rs index bf3fc40db41..5836138644a 100644 --- a/library/test/src/formatters/pretty.rs +++ b/library/test/src/formatters/pretty.rs @@ -303,4 +303,14 @@ impl<T: Write> OutputFormatter for PrettyFormatter<T> { Ok(success) } + + fn write_merged_doctests_times( + &mut self, + total_time: f64, + compilation_time: f64, + ) -> io::Result<()> { + self.write_plain(format!( + "all doctests ran in {total_time:.2}s; merged doctests compilation took {compilation_time:.2}s\n", + )) + } } diff --git a/library/test/src/formatters/terse.rs b/library/test/src/formatters/terse.rs index b28120ab56e..0720f06e174 100644 --- a/library/test/src/formatters/terse.rs +++ b/library/test/src/formatters/terse.rs @@ -295,4 +295,14 @@ impl<T: Write> OutputFormatter for TerseFormatter<T> { Ok(success) } + + fn write_merged_doctests_times( + &mut self, + total_time: f64, + compilation_time: f64, + ) -> io::Result<()> { + self.write_plain(format!( + "all doctests ran in {total_time:.2}s; merged doctests compilation took {compilation_time:.2}s\n", + )) + } } diff --git a/library/test/src/lib.rs b/library/test/src/lib.rs index 1190bb56b97..d554807bbde 100644 --- a/library/test/src/lib.rs +++ b/library/test/src/lib.rs @@ -244,6 +244,21 @@ fn make_owned_test(test: &&TestDescAndFn) -> TestDescAndFn { } } +/// Public API used by rustdoc to display the `total` and `compilation` times in the expected +/// format. +pub fn print_merged_doctests_times(args: &[String], total_time: f64, compilation_time: f64) { + let opts = match cli::parse_opts(args) { + Some(Ok(o)) => o, + Some(Err(msg)) => { + eprintln!("error: {msg}"); + process::exit(ERROR_EXIT_CODE); + } + None => return, + }; + let mut formatter = console::get_formatter(&opts, 0); + formatter.write_merged_doctests_times(total_time, compilation_time).unwrap(); +} + /// Invoked when unit tests terminate. Returns `Result::Err` if the test is /// considered a failure. By default, invokes `report()` and checks for a `0` /// result. diff --git a/src/bootstrap/src/core/build_steps/check.rs b/src/bootstrap/src/core/build_steps/check.rs index f6653ed899b..f931aae3c2e 100644 --- a/src/bootstrap/src/core/build_steps/check.rs +++ b/src/bootstrap/src/core/build_steps/check.rs @@ -84,7 +84,7 @@ impl Step for Std { Kind::Check, ); - std_cargo(builder, target, stage, &mut cargo); + std_cargo(builder, target, &mut cargo); if matches!(builder.config.cmd, Subcommand::Fix) { // By default, cargo tries to fix all targets. Tell it not to fix tests until we've added `test` to the sysroot. cargo.arg("--lib"); @@ -125,7 +125,7 @@ impl Step for Std { Kind::Check, ); - std_cargo(builder, target, build_compiler.stage, &mut cargo); + std_cargo(builder, target, &mut cargo); // Explicitly pass -p for all dependencies krates -- this will force cargo // to also check the tests/benches/examples for these crates, rather diff --git a/src/bootstrap/src/core/build_steps/clippy.rs b/src/bootstrap/src/core/build_steps/clippy.rs index b119f2dc3ce..93c767bdd25 100644 --- a/src/bootstrap/src/core/build_steps/clippy.rs +++ b/src/bootstrap/src/core/build_steps/clippy.rs @@ -154,7 +154,7 @@ impl Step for Std { Kind::Clippy, ); - std_cargo(builder, target, compiler.stage, &mut cargo); + std_cargo(builder, target, &mut cargo); for krate in &*self.crates { cargo.arg("-p").arg(krate); diff --git a/src/bootstrap/src/core/build_steps/compile.rs b/src/bootstrap/src/core/build_steps/compile.rs index 95707e37018..e1ee0773107 100644 --- a/src/bootstrap/src/core/build_steps/compile.rs +++ b/src/bootstrap/src/core/build_steps/compile.rs @@ -269,7 +269,7 @@ impl Step for Std { target, Kind::Build, ); - std_cargo(builder, target, compiler.stage, &mut cargo); + std_cargo(builder, target, &mut cargo); for krate in &*self.crates { cargo.arg("-p").arg(krate); } @@ -497,7 +497,7 @@ fn compiler_rt_for_profiler(builder: &Builder<'_>) -> PathBuf { /// Configure cargo to compile the standard library, adding appropriate env vars /// and such. -pub fn std_cargo(builder: &Builder<'_>, target: TargetSelection, stage: u32, cargo: &mut Cargo) { +pub fn std_cargo(builder: &Builder<'_>, target: TargetSelection, cargo: &mut Cargo) { // rustc already ensures that it builds with the minimum deployment // target, so ideally we shouldn't need to do anything here. // @@ -645,12 +645,8 @@ pub fn std_cargo(builder: &Builder<'_>, target: TargetSelection, stage: u32, car // built with bitcode so that the produced rlibs can be used for both LTO // builds (which use bitcode) and non-LTO builds (which use object code). // So we override the override here! - // - // But we don't bother for the stage 0 compiler because it's never used - // with LTO. - if stage >= 1 { - cargo.rustflag("-Cembed-bitcode=yes"); - } + cargo.rustflag("-Cembed-bitcode=yes"); + if builder.config.rust_lto == RustcLto::Off { cargo.rustflag("-Clto=off"); } @@ -2388,15 +2384,19 @@ pub fn run_cargo( let mut deps = Vec::new(); let mut toplevel = Vec::new(); let ok = stream_cargo(builder, cargo, tail_args, &mut |msg| { - let (filenames, crate_types) = match msg { + let (filenames_vec, crate_types) = match msg { CargoMessage::CompilerArtifact { filenames, target: CargoTarget { crate_types }, .. - } => (filenames, crate_types), + } => { + let mut f: Vec<String> = filenames.into_iter().map(|s| s.into_owned()).collect(); + f.sort(); // Sort the filenames + (f, crate_types) + } _ => return, }; - for filename in filenames { + for filename in filenames_vec { // Skip files like executables let mut keep = false; if filename.ends_with(".lib") diff --git a/src/bootstrap/src/core/build_steps/dist.rs b/src/bootstrap/src/core/build_steps/dist.rs index 0465a071159..cbbfb6b6a11 100644 --- a/src/bootstrap/src/core/build_steps/dist.rs +++ b/src/bootstrap/src/core/build_steps/dist.rs @@ -174,36 +174,12 @@ fn find_files(files: &[&str], path: &[PathBuf]) -> Vec<PathBuf> { found } -fn make_win_dist( - rust_root: &Path, - plat_root: &Path, - target: TargetSelection, - builder: &Builder<'_>, -) { +fn make_win_dist(plat_root: &Path, target: TargetSelection, builder: &Builder<'_>) { if builder.config.dry_run() { return; } - //Ask gcc where it keeps its stuff - let mut cmd = command(builder.cc(target)); - cmd.arg("-print-search-dirs"); - let gcc_out = cmd.run_capture_stdout(builder).stdout(); - - let mut bin_path: Vec<_> = env::split_paths(&env::var_os("PATH").unwrap_or_default()).collect(); - let mut lib_path = Vec::new(); - - for line in gcc_out.lines() { - let idx = line.find(':').unwrap(); - let key = &line[..idx]; - let trim_chars: &[_] = &[' ', '=']; - let value = env::split_paths(line[(idx + 1)..].trim_start_matches(trim_chars)); - - if key == "programs" { - bin_path.extend(value); - } else if key == "libraries" { - lib_path.extend(value); - } - } + let (bin_path, lib_path) = get_cc_search_dirs(target, builder); let compiler = if target == "i686-pc-windows-gnu" { "i686-w64-mingw32-gcc.exe" @@ -213,12 +189,6 @@ fn make_win_dist( "gcc.exe" }; let target_tools = [compiler, "ld.exe", "dlltool.exe", "libwinpthread-1.dll"]; - let mut rustc_dlls = vec!["libwinpthread-1.dll"]; - if target.starts_with("i686-") { - rustc_dlls.push("libgcc_s_dw2-1.dll"); - } else { - rustc_dlls.push("libgcc_s_seh-1.dll"); - } // Libraries necessary to link the windows-gnu toolchains. // System libraries will be preferred if they are available (see #67429). @@ -274,25 +244,8 @@ fn make_win_dist( //Find mingw artifacts we want to bundle let target_tools = find_files(&target_tools, &bin_path); - let rustc_dlls = find_files(&rustc_dlls, &bin_path); let target_libs = find_files(&target_libs, &lib_path); - // Copy runtime dlls next to rustc.exe - let rust_bin_dir = rust_root.join("bin/"); - fs::create_dir_all(&rust_bin_dir).expect("creating rust_bin_dir failed"); - for src in &rustc_dlls { - builder.copy_link_to_folder(src, &rust_bin_dir); - } - - if builder.config.lld_enabled { - // rust-lld.exe also needs runtime dlls - let rust_target_bin_dir = rust_root.join("lib/rustlib").join(target).join("bin"); - fs::create_dir_all(&rust_target_bin_dir).expect("creating rust_target_bin_dir failed"); - for src in &rustc_dlls { - builder.copy_link_to_folder(src, &rust_target_bin_dir); - } - } - //Copy platform tools to platform-specific bin directory let plat_target_bin_self_contained_dir = plat_root.join("lib/rustlib").join(target).join("bin/self-contained"); @@ -320,6 +273,82 @@ fn make_win_dist( } } +fn runtime_dll_dist(rust_root: &Path, target: TargetSelection, builder: &Builder<'_>) { + if builder.config.dry_run() { + return; + } + + let (bin_path, libs_path) = get_cc_search_dirs(target, builder); + + let mut rustc_dlls = vec![]; + // windows-gnu and windows-gnullvm require different runtime libs + if target.ends_with("windows-gnu") { + rustc_dlls.push("libwinpthread-1.dll"); + if target.starts_with("i686-") { + rustc_dlls.push("libgcc_s_dw2-1.dll"); + } else { + rustc_dlls.push("libgcc_s_seh-1.dll"); + } + } else if target.ends_with("windows-gnullvm") { + rustc_dlls.push("libunwind.dll"); + } else { + panic!("Vendoring of runtime DLLs for `{target}` is not supported`"); + } + // FIXME(#144656): Remove this whole `let ...` + let bin_path = if target.ends_with("windows-gnullvm") && builder.host_target != target { + bin_path + .into_iter() + .chain(libs_path.iter().map(|path| path.with_file_name("bin"))) + .collect() + } else { + bin_path + }; + let rustc_dlls = find_files(&rustc_dlls, &bin_path); + + // Copy runtime dlls next to rustc.exe + let rust_bin_dir = rust_root.join("bin/"); + fs::create_dir_all(&rust_bin_dir).expect("creating rust_bin_dir failed"); + for src in &rustc_dlls { + builder.copy_link_to_folder(src, &rust_bin_dir); + } + + if builder.config.lld_enabled { + // rust-lld.exe also needs runtime dlls + let rust_target_bin_dir = rust_root.join("lib/rustlib").join(target).join("bin"); + fs::create_dir_all(&rust_target_bin_dir).expect("creating rust_target_bin_dir failed"); + for src in &rustc_dlls { + builder.copy_link_to_folder(src, &rust_target_bin_dir); + } + } +} + +fn get_cc_search_dirs( + target: TargetSelection, + builder: &Builder<'_>, +) -> (Vec<PathBuf>, Vec<PathBuf>) { + //Ask gcc where it keeps its stuff + let mut cmd = command(builder.cc(target)); + cmd.arg("-print-search-dirs"); + let gcc_out = cmd.run_capture_stdout(builder).stdout(); + + let mut bin_path: Vec<_> = env::split_paths(&env::var_os("PATH").unwrap_or_default()).collect(); + let mut lib_path = Vec::new(); + + for line in gcc_out.lines() { + let idx = line.find(':').unwrap(); + let key = &line[..idx]; + let trim_chars: &[_] = &[' ', '=']; + let value = env::split_paths(line[(idx + 1)..].trim_start_matches(trim_chars)); + + if key == "programs" { + bin_path.extend(value); + } else if key == "libraries" { + lib_path.extend(value); + } + } + (bin_path, lib_path) +} + #[derive(Debug, PartialOrd, Ord, Clone, Hash, PartialEq, Eq)] pub struct Mingw { pub host: TargetSelection, @@ -350,11 +379,7 @@ impl Step for Mingw { let mut tarball = Tarball::new(builder, "rust-mingw", &host.triple); tarball.set_product_name("Rust MinGW"); - // The first argument is a "temporary directory" which is just - // thrown away (this contains the runtime DLLs included in the rustc package - // above) and the second argument is where to place all the MinGW components - // (which is what we want). - make_win_dist(&tmpdir(builder), tarball.image_dir(), host, builder); + make_win_dist(tarball.image_dir(), host, builder); Some(tarball.generate()) } @@ -394,17 +419,14 @@ impl Step for Rustc { prepare_image(builder, compiler, tarball.image_dir()); // On MinGW we've got a few runtime DLL dependencies that we need to - // include. The first argument to this script is where to put these DLLs - // (the image we're creating), and the second argument is a junk directory - // to ignore all other MinGW stuff the script creates. - // + // include. // On 32-bit MinGW we're always including a DLL which needs some extra // licenses to distribute. On 64-bit MinGW we don't actually distribute // anything requiring us to distribute a license, but it's likely the // install will *also* include the rust-mingw package, which also needs // licenses, so to be safe we just include it here in all MinGW packages. - if host.ends_with("pc-windows-gnu") && builder.config.dist_include_mingw_linker { - make_win_dist(tarball.image_dir(), &tmpdir(builder), host, builder); + if host.contains("pc-windows-gnu") && builder.config.dist_include_mingw_linker { + runtime_dll_dist(tarball.image_dir(), host, builder); tarball.add_dir(builder.src.join("src/etc/third-party"), "share/doc"); } diff --git a/src/bootstrap/src/core/build_steps/doc.rs b/src/bootstrap/src/core/build_steps/doc.rs index d4539a0eb34..9f3524905d7 100644 --- a/src/bootstrap/src/core/build_steps/doc.rs +++ b/src/bootstrap/src/core/build_steps/doc.rs @@ -722,7 +722,7 @@ fn doc_std( let mut cargo = builder::Cargo::new(builder, compiler, Mode::Std, SourceType::InTree, target, Kind::Doc); - compile::std_cargo(builder, target, compiler.stage, &mut cargo); + compile::std_cargo(builder, target, &mut cargo); cargo .arg("--no-deps") .arg("--target-dir") diff --git a/src/bootstrap/src/core/build_steps/llvm.rs b/src/bootstrap/src/core/build_steps/llvm.rs index b2056f5cf37..721ba6ca459 100644 --- a/src/bootstrap/src/core/build_steps/llvm.rs +++ b/src/bootstrap/src/core/build_steps/llvm.rs @@ -1528,8 +1528,12 @@ impl Step for Libunwind { // FIXME: https://github.com/alexcrichton/cc-rs/issues/545#issuecomment-679242845 let mut count = 0; - for entry in fs::read_dir(&out_dir).unwrap() { - let file = entry.unwrap().path().canonicalize().unwrap(); + let mut files = fs::read_dir(&out_dir) + .unwrap() + .map(|entry| entry.unwrap().path().canonicalize().unwrap()) + .collect::<Vec<_>>(); + files.sort(); + for file in files { if file.is_file() && file.extension() == Some(OsStr::new("o")) { // Object file name without the hash prefix is "Unwind-EHABI", "Unwind-seh" or "libunwind". let base_name = unhashed_basename(&file); diff --git a/src/bootstrap/src/core/build_steps/test.rs b/src/bootstrap/src/core/build_steps/test.rs index 09d2657b666..34d50b1dccd 100644 --- a/src/bootstrap/src/core/build_steps/test.rs +++ b/src/bootstrap/src/core/build_steps/test.rs @@ -291,13 +291,7 @@ impl Step for Cargotest { .args(builder.config.test_args()) .env("RUSTC", builder.rustc(tested_compiler)) .env("RUSTDOC", builder.rustdoc_for_compiler(tested_compiler)); - add_rustdoc_cargo_linker_args( - &mut cmd, - builder, - tested_compiler.host, - LldThreads::No, - tested_compiler.stage, - ); + add_rustdoc_cargo_linker_args(&mut cmd, builder, tested_compiler.host, LldThreads::No); cmd.delay_failure().run(builder); } @@ -940,7 +934,7 @@ impl Step for RustdocTheme { .env("CFG_RELEASE_CHANNEL", &builder.config.channel) .env("RUSTDOC_REAL", builder.rustdoc_for_compiler(self.compiler)) .env("RUSTC_BOOTSTRAP", "1"); - cmd.args(linker_args(builder, self.compiler.host, LldThreads::No, self.compiler.stage)); + cmd.args(linker_args(builder, self.compiler.host, LldThreads::No)); cmd.delay_failure().run(builder); } @@ -1120,13 +1114,7 @@ impl Step for RustdocGUI { cmd.env("RUSTDOC", builder.rustdoc_for_compiler(self.compiler)) .env("RUSTC", builder.rustc(self.compiler)); - add_rustdoc_cargo_linker_args( - &mut cmd, - builder, - self.compiler.host, - LldThreads::No, - self.compiler.stage, - ); + add_rustdoc_cargo_linker_args(&mut cmd, builder, self.compiler.host, LldThreads::No); for path in &builder.paths { if let Some(p) = helpers::is_valid_test_suite_arg(path, "tests/rustdoc-gui", builder) { @@ -1951,7 +1939,7 @@ NOTE: if you're sure you want to do this, please open an issue as to why. In the } let mut hostflags = flags.clone(); - hostflags.extend(linker_flags(builder, compiler.host, LldThreads::No, compiler.stage)); + hostflags.extend(linker_flags(builder, compiler.host, LldThreads::No)); let mut targetflags = flags; @@ -2858,7 +2846,7 @@ impl Step for Crate { .arg("--manifest-path") .arg(builder.src.join("library/sysroot/Cargo.toml")); } else { - compile::std_cargo(builder, target, compiler.stage, &mut cargo); + compile::std_cargo(builder, target, &mut cargo); } } Mode::Rustc => { diff --git a/src/bootstrap/src/core/builder/cargo.rs b/src/bootstrap/src/core/builder/cargo.rs index 1d0c9da694f..e10af2b55f9 100644 --- a/src/bootstrap/src/core/builder/cargo.rs +++ b/src/bootstrap/src/core/builder/cargo.rs @@ -115,7 +115,7 @@ impl Cargo { // No need to configure the target linker for these command types. Kind::Clean | Kind::Check | Kind::Format | Kind::Setup => {} _ => { - cargo.configure_linker(builder, mode); + cargo.configure_linker(builder); } } @@ -209,7 +209,7 @@ impl Cargo { // FIXME(onur-ozkan): Add coverage to make sure modifications to this function // doesn't cause cache invalidations (e.g., #130108). - fn configure_linker(&mut self, builder: &Builder<'_>, mode: Mode) -> &mut Cargo { + fn configure_linker(&mut self, builder: &Builder<'_>) -> &mut Cargo { let target = self.target; let compiler = self.compiler; @@ -264,12 +264,7 @@ impl Cargo { } } - // We use the snapshot compiler when building host code (build scripts/proc macros) of - // `Mode::Std` tools, so we need to determine the current stage here to pass the proper - // linker args (e.g. -C vs -Z). - // This should stay synchronized with the [cargo] function. - let host_stage = if mode == Mode::Std { 0 } else { compiler.stage }; - for arg in linker_args(builder, compiler.host, LldThreads::Yes, host_stage) { + for arg in linker_args(builder, compiler.host, LldThreads::Yes) { self.hostflags.arg(&arg); } @@ -279,10 +274,10 @@ impl Cargo { } // We want to set -Clinker using Cargo, therefore we only call `linker_flags` and not // `linker_args` here. - for flag in linker_flags(builder, target, LldThreads::Yes, compiler.stage) { + for flag in linker_flags(builder, target, LldThreads::Yes) { self.rustflags.arg(&flag); } - for arg in linker_args(builder, target, LldThreads::Yes, compiler.stage) { + for arg in linker_args(builder, target, LldThreads::Yes) { self.rustdocflags.arg(&arg); } diff --git a/src/bootstrap/src/core/builder/mod.rs b/src/bootstrap/src/core/builder/mod.rs index f84565fccfd..e15941938f1 100644 --- a/src/bootstrap/src/core/builder/mod.rs +++ b/src/bootstrap/src/core/builder/mod.rs @@ -1623,7 +1623,7 @@ You have to build a stage1 compiler for `{}` first, and then use it to build a s cmd.arg("-Dwarnings"); } cmd.arg("-Znormalize-docs"); - cmd.args(linker_args(self, compiler.host, LldThreads::Yes, compiler.stage)); + cmd.args(linker_args(self, compiler.host, LldThreads::Yes)); cmd } diff --git a/src/bootstrap/src/core/config/config.rs b/src/bootstrap/src/core/config/config.rs index 6055876c475..2c008f957d9 100644 --- a/src/bootstrap/src/core/config/config.rs +++ b/src/bootstrap/src/core/config/config.rs @@ -32,13 +32,18 @@ use tracing::{instrument, span}; use crate::core::build_steps::llvm; use crate::core::build_steps::llvm::LLVM_INVALIDATION_PATHS; pub use crate::core::config::flags::Subcommand; -use crate::core::config::flags::{Color, Flags}; +use crate::core::config::flags::{Color, Flags, Warnings}; use crate::core::config::target_selection::TargetSelectionList; use crate::core::config::toml::TomlConfig; use crate::core::config::toml::build::{Build, Tool}; use crate::core::config::toml::change_id::ChangeId; +use crate::core::config::toml::dist::Dist; +use crate::core::config::toml::gcc::Gcc; +use crate::core::config::toml::install::Install; +use crate::core::config::toml::llvm::Llvm; use crate::core::config::toml::rust::{ - LldMode, RustOptimize, check_incompatible_options_for_ci_rustc, + LldMode, Rust, RustOptimize, check_incompatible_options_for_ci_rustc, + default_lld_opt_in_targets, parse_codegen_backends, }; use crate::core::config::toml::target::Target; use crate::core::config::{ @@ -89,7 +94,6 @@ pub struct Config { pub ccache: Option<String>, /// Call Build::ninja() instead of this. pub ninja_in_file: bool, - pub verbose: usize, pub submodules: Option<bool>, pub compiler_docs: bool, pub library_docs_private_items: bool, @@ -442,23 +446,13 @@ impl Config { enable_bolt_settings: flags_enable_bolt_settings, skip_stage0_validation: flags_skip_stage0_validation, reproducible_artifact: flags_reproducible_artifact, - paths: mut flags_paths, + paths: flags_paths, set: flags_set, - free_args: mut flags_free_args, + free_args: flags_free_args, ci: flags_ci, skip_std_check_if_no_download_rustc: flags_skip_std_check_if_no_download_rustc, } = flags; - let mut config = Config::default_opts(); - let mut exec_ctx = ExecutionContext::new(); - exec_ctx.set_verbose(flags_verbose); - exec_ctx.set_fail_fast(flags_cmd.fail_fast()); - - config.exec_ctx = exec_ctx; - - // Set flags. - config.paths = std::mem::take(&mut flags_paths); - #[cfg(feature = "tracing")] span!( target: "CONFIG_HANDLING", @@ -469,14 +463,251 @@ impl Config { "flags.exclude" = ?flags_exclude ); - #[cfg(feature = "tracing")] - span!( - target: "CONFIG_HANDLING", - tracing::Level::TRACE, - "normalizing and combining `flag.skip`/`flag.exclude` paths", - "config.skip" = ?config.skip, + // First initialize the bare minimum that we need for further operation - source directory + // and execution context. + let mut config = Config::default_opts(); + let exec_ctx = ExecutionContext::new(flags_verbose, flags_cmd.fail_fast()); + + config.exec_ctx = exec_ctx; + + if let Some(src) = compute_src_directory(flags_src, &config.exec_ctx) { + config.src = src; + } + + // Now load the TOML config, as soon as possible + let (mut toml, toml_path) = load_toml_config(&config.src, flags_config, &get_toml); + config.config = toml_path.clone(); + + postprocess_toml( + &mut toml, + &config.src, + toml_path, + config.exec_ctx(), + &flags_set, + &get_toml, ); + // Now override TOML values with flags, to make sure that we won't later override flags with + // TOML values by accident instead, because flags have higher priority. + let Build { + description: build_description, + build: mut build_build, + host: build_host, + target: build_target, + build_dir: build_build_dir, + cargo: mut build_cargo, + rustc: mut build_rustc, + rustfmt: build_rustfmt, + cargo_clippy: build_cargo_clippy, + docs: build_docs, + compiler_docs: build_compiler_docs, + library_docs_private_items: build_library_docs_private_items, + docs_minification: build_docs_minification, + submodules: build_submodules, + gdb: build_gdb, + lldb: build_lldb, + nodejs: build_nodejs, + npm: build_npm, + python: build_python, + reuse: build_reuse, + locked_deps: build_locked_deps, + vendor: build_vendor, + full_bootstrap: build_full_bootstrap, + bootstrap_cache_path: build_bootstrap_cache_path, + extended: build_extended, + tools: build_tools, + tool: build_tool, + verbose: build_verbose, + sanitizers: build_sanitizers, + profiler: build_profiler, + cargo_native_static: build_cargo_native_static, + low_priority: build_low_priority, + configure_args: build_configure_args, + local_rebuild: build_local_rebuild, + print_step_timings: build_print_step_timings, + print_step_rusage: build_print_step_rusage, + check_stage: build_check_stage, + doc_stage: build_doc_stage, + build_stage: build_build_stage, + test_stage: build_test_stage, + install_stage: build_install_stage, + dist_stage: build_dist_stage, + bench_stage: build_bench_stage, + patch_binaries_for_nix: build_patch_binaries_for_nix, + // This field is only used by bootstrap.py + metrics: _, + android_ndk: build_android_ndk, + optimized_compiler_builtins: build_optimized_compiler_builtins, + jobs: mut build_jobs, + compiletest_diff_tool: build_compiletest_diff_tool, + compiletest_use_stage0_libtest: build_compiletest_use_stage0_libtest, + tidy_extra_checks: build_tidy_extra_checks, + ccache: build_ccache, + exclude: build_exclude, + compiletest_allow_stage0: build_compiletest_allow_stage0, + } = toml.build.unwrap_or_default(); + + let Install { + prefix: install_prefix, + sysconfdir: install_sysconfdir, + docdir: install_docdir, + bindir: install_bindir, + libdir: install_libdir, + mandir: install_mandir, + datadir: install_datadir, + } = toml.install.unwrap_or_default(); + + let Rust { + optimize: rust_optimize, + debug: rust_debug, + codegen_units: rust_codegen_units, + codegen_units_std: rust_codegen_units_std, + rustc_debug_assertions: rust_rustc_debug_assertions, + std_debug_assertions: rust_std_debug_assertions, + tools_debug_assertions: rust_tools_debug_assertions, + overflow_checks: rust_overflow_checks, + overflow_checks_std: rust_overflow_checks_std, + debug_logging: rust_debug_logging, + debuginfo_level: rust_debuginfo_level, + debuginfo_level_rustc: rust_debuginfo_level_rustc, + debuginfo_level_std: rust_debuginfo_level_std, + debuginfo_level_tools: rust_debuginfo_level_tools, + debuginfo_level_tests: rust_debuginfo_level_tests, + backtrace: rust_backtrace, + incremental: rust_incremental, + randomize_layout: rust_randomize_layout, + default_linker: rust_default_linker, + channel: rust_channel, + musl_root: rust_musl_root, + rpath: rust_rpath, + verbose_tests: rust_verbose_tests, + optimize_tests: rust_optimize_tests, + codegen_tests: rust_codegen_tests, + omit_git_hash: rust_omit_git_hash, + dist_src: rust_dist_src, + save_toolstates: rust_save_toolstates, + codegen_backends: rust_codegen_backends, + lld: rust_lld_enabled, + llvm_tools: rust_llvm_tools, + llvm_bitcode_linker: rust_llvm_bitcode_linker, + deny_warnings: rust_deny_warnings, + backtrace_on_ice: rust_backtrace_on_ice, + verify_llvm_ir: rust_verify_llvm_ir, + thin_lto_import_instr_limit: rust_thin_lto_import_instr_limit, + remap_debuginfo: rust_remap_debuginfo, + jemalloc: rust_jemalloc, + test_compare_mode: rust_test_compare_mode, + llvm_libunwind: rust_llvm_libunwind, + control_flow_guard: rust_control_flow_guard, + ehcont_guard: rust_ehcont_guard, + new_symbol_mangling: rust_new_symbol_mangling, + profile_generate: rust_profile_generate, + profile_use: rust_profile_use, + download_rustc: rust_download_rustc, + lto: rust_lto, + validate_mir_opts: rust_validate_mir_opts, + frame_pointers: rust_frame_pointers, + stack_protector: rust_stack_protector, + strip: rust_strip, + lld_mode: rust_lld_mode, + std_features: rust_std_features, + } = toml.rust.unwrap_or_default(); + + let Llvm { + optimize: llvm_optimize, + thin_lto: llvm_thin_lto, + release_debuginfo: llvm_release_debuginfo, + assertions: llvm_assertions, + tests: llvm_tests, + enzyme: llvm_enzyme, + plugins: llvm_plugin, + static_libstdcpp: llvm_static_libstdcpp, + libzstd: llvm_libzstd, + ninja: llvm_ninja, + targets: llvm_targets, + experimental_targets: llvm_experimental_targets, + link_jobs: llvm_link_jobs, + link_shared: llvm_link_shared, + version_suffix: llvm_version_suffix, + clang_cl: llvm_clang_cl, + cflags: llvm_cflags, + cxxflags: llvm_cxxflags, + ldflags: llvm_ldflags, + use_libcxx: llvm_use_libcxx, + use_linker: llvm_use_linker, + allow_old_toolchain: llvm_allow_old_toolchain, + offload: llvm_offload, + polly: llvm_polly, + clang: llvm_clang, + enable_warnings: llvm_enable_warnings, + download_ci_llvm: llvm_download_ci_llvm, + build_config: llvm_build_config, + } = toml.llvm.unwrap_or_default(); + + let Dist { + sign_folder: dist_sign_folder, + upload_addr: dist_upload_addr, + src_tarball: dist_src_tarball, + compression_formats: dist_compression_formats, + compression_profile: dist_compression_profile, + include_mingw_linker: dist_include_mingw_linker, + vendor: dist_vendor, + } = toml.dist.unwrap_or_default(); + + let Gcc { download_ci_gcc: gcc_download_ci_gcc } = toml.gcc.unwrap_or_default(); + + if cfg!(test) { + // When configuring bootstrap for tests, make sure to set the rustc and Cargo to the + // same ones used to call the tests (if custom ones are not defined in the toml). If we + // don't do that, bootstrap will use its own detection logic to find a suitable rustc + // and Cargo, which doesn't work when the caller is specìfying a custom local rustc or + // Cargo in their bootstrap.toml. + build_rustc = build_rustc.take().or(std::env::var_os("RUSTC").map(|p| p.into())); + build_cargo = build_cargo.take().or(std::env::var_os("CARGO").map(|p| p.into())); + } + + build_jobs = flags_jobs.or(build_jobs); + build_build = flags_build.or(build_build); + + let build_dir = flags_build_dir.or(build_build_dir.map(PathBuf::from)); + let host = if let Some(TargetSelectionList(hosts)) = flags_host { + Some(hosts) + } else { + build_host + .map(|file_host| file_host.iter().map(|h| TargetSelection::from_user(h)).collect()) + }; + let target = if let Some(TargetSelectionList(targets)) = flags_target { + Some(targets) + } else { + build_target.map(|file_target| { + file_target.iter().map(|h| TargetSelection::from_user(h)).collect() + }) + }; + + if let Some(rustc) = &build_rustc + && !flags_skip_stage0_validation + { + check_stage0_version(rustc, "rustc", &config.src, config.exec_ctx()); + } + if let Some(cargo) = &build_cargo + && !flags_skip_stage0_validation + { + check_stage0_version(cargo, "cargo", &config.src, config.exec_ctx()); + } + + // Prefer CLI verbosity flags if set (`flags_verbose` > 0), otherwise take the value from + // TOML. + config + .exec_ctx + .set_verbosity(cmp::max(build_verbose.unwrap_or_default() as u8, flags_verbose)); + + let mut paths: Vec<PathBuf> = flags_skip.into_iter().chain(flags_exclude).collect(); + if let Some(exclude) = build_exclude { + paths.extend(exclude); + } + + // Set config values based on flags. + config.paths = flags_paths; config.include_default_paths = flags_include_default_paths; config.rustc_error_format = flags_rustc_error_format; config.json_output = flags_json_output; @@ -489,7 +720,7 @@ impl Config { config.keep_stage = flags_keep_stage; config.keep_stage_std = flags_keep_stage_std; config.color = flags_color; - config.free_args = std::mem::take(&mut flags_free_args); + config.free_args = flags_free_args; config.llvm_profile_use = flags_llvm_profile_use; config.llvm_profile_generate = flags_llvm_profile_generate; config.enable_bolt_settings = flags_enable_bolt_settings; @@ -499,53 +730,6 @@ impl Config { // Infer the rest of the configuration. - if let Some(src) = flags_src { - config.src = src - } else { - // Infer the source directory. This is non-trivial because we want to support a downloaded bootstrap binary, - // running on a completely different machine from where it was compiled. - let mut cmd = helpers::git(None); - // NOTE: we cannot support running from outside the repository because the only other path we have available - // is set at compile time, which can be wrong if bootstrap was downloaded rather than compiled locally. - // We still support running outside the repository if we find we aren't in a git directory. - - // NOTE: We get a relative path from git to work around an issue on MSYS/mingw. If we used an absolute path, - // and end up using MSYS's git rather than git-for-windows, we would get a unix-y MSYS path. But as bootstrap - // has already been (kinda-cross-)compiled to Windows land, we require a normal Windows path. - cmd.arg("rev-parse").arg("--show-cdup"); - // Discard stderr because we expect this to fail when building from a tarball. - let output = cmd.allow_failure().run_capture_stdout(&config); - if output.is_success() { - let git_root_relative = output.stdout(); - // We need to canonicalize this path to make sure it uses backslashes instead of forward slashes, - // and to resolve any relative components. - let git_root = env::current_dir() - .unwrap() - .join(PathBuf::from(git_root_relative.trim())) - .canonicalize() - .unwrap(); - let s = git_root.to_str().unwrap(); - - // Bootstrap is quite bad at handling /? in front of paths - let git_root = match s.strip_prefix("\\\\?\\") { - Some(p) => PathBuf::from(p), - None => git_root, - }; - // If this doesn't have at least `stage0`, we guessed wrong. This can happen when, - // for example, the build directory is inside of another unrelated git directory. - // In that case keep the original `CARGO_MANIFEST_DIR` handling. - // - // NOTE: this implies that downloadable bootstrap isn't supported when the build directory is outside - // the source directory. We could fix that by setting a variable from all three of python, ./x, and x.ps1. - if git_root.join("src").join("stage0").exists() { - config.src = git_root; - } - } else { - // We're building from a tarball, not git sources. - // We don't support pre-downloaded bootstrap in this case. - } - } - if cfg!(test) { // Use the build directory of the original x.py invocation, so that we can set `initial_rustc` properly. config.out = Path::new( @@ -556,220 +740,11 @@ impl Config { .to_path_buf(); } + config.compiletest_allow_stage0 = build_compiletest_allow_stage0.unwrap_or(false); config.stage0_metadata = build_helper::stage0_parser::parse_stage0_file(); - // Locate the configuration file using the following priority (first match wins): - // 1. `--config <path>` (explicit flag) - // 2. `RUST_BOOTSTRAP_CONFIG` environment variable - // 3. `./bootstrap.toml` (local file) - // 4. `<root>/bootstrap.toml` - // 5. `./config.toml` (fallback for backward compatibility) - // 6. `<root>/config.toml` - let toml_path = flags_config - .clone() - .or_else(|| env::var_os("RUST_BOOTSTRAP_CONFIG").map(PathBuf::from)); - let using_default_path = toml_path.is_none(); - let mut toml_path = toml_path.unwrap_or_else(|| PathBuf::from("bootstrap.toml")); - - if using_default_path && !toml_path.exists() { - toml_path = config.src.join(PathBuf::from("bootstrap.toml")); - if !toml_path.exists() { - toml_path = PathBuf::from("config.toml"); - if !toml_path.exists() { - toml_path = config.src.join(PathBuf::from("config.toml")); - } - } - } - - // Give a hard error if `--config` or `RUST_BOOTSTRAP_CONFIG` are set to a missing path, - // but not if `bootstrap.toml` hasn't been created. - let mut toml = if !using_default_path || toml_path.exists() { - config.config = Some(if cfg!(not(test)) { - toml_path = toml_path.canonicalize().unwrap(); - toml_path.clone() - } else { - toml_path.clone() - }); - get_toml(&toml_path).unwrap_or_else(|e| { - eprintln!("ERROR: Failed to parse '{}': {e}", toml_path.display()); - exit!(2); - }) - } else { - config.config = None; - TomlConfig::default() - }; - - if cfg!(test) { - // When configuring bootstrap for tests, make sure to set the rustc and Cargo to the - // same ones used to call the tests (if custom ones are not defined in the toml). If we - // don't do that, bootstrap will use its own detection logic to find a suitable rustc - // and Cargo, which doesn't work when the caller is specìfying a custom local rustc or - // Cargo in their bootstrap.toml. - let build = toml.build.get_or_insert_with(Default::default); - build.rustc = build.rustc.take().or(std::env::var_os("RUSTC").map(|p| p.into())); - build.cargo = build.cargo.take().or(std::env::var_os("CARGO").map(|p| p.into())); - } - - if config.git_info(false, &config.src).is_from_tarball() && toml.profile.is_none() { - toml.profile = Some("dist".into()); - } - - // Reverse the list to ensure the last added config extension remains the most dominant. - // For example, given ["a.toml", "b.toml"], "b.toml" should take precedence over "a.toml". - // - // This must be handled before applying the `profile` since `include`s should always take - // precedence over `profile`s. - for include_path in toml.include.clone().unwrap_or_default().iter().rev() { - let include_path = toml_path.parent().unwrap().join(include_path); - - let included_toml = get_toml(&include_path).unwrap_or_else(|e| { - eprintln!("ERROR: Failed to parse '{}': {e}", include_path.display()); - exit!(2); - }); - toml.merge( - Some(include_path), - &mut Default::default(), - included_toml, - ReplaceOpt::IgnoreDuplicate, - ); - } - - if let Some(include) = &toml.profile { - // Allows creating alias for profile names, allowing - // profiles to be renamed while maintaining back compatibility - // Keep in sync with `profile_aliases` in bootstrap.py - let profile_aliases = HashMap::from([("user", "dist")]); - let include = match profile_aliases.get(include.as_str()) { - Some(alias) => alias, - None => include.as_str(), - }; - let mut include_path = config.src.clone(); - include_path.push("src"); - include_path.push("bootstrap"); - include_path.push("defaults"); - include_path.push(format!("bootstrap.{include}.toml")); - let included_toml = get_toml(&include_path).unwrap_or_else(|e| { - eprintln!( - "ERROR: Failed to parse default config profile at '{}': {e}", - include_path.display() - ); - exit!(2); - }); - toml.merge( - Some(include_path), - &mut Default::default(), - included_toml, - ReplaceOpt::IgnoreDuplicate, - ); - } - - let mut override_toml = TomlConfig::default(); - for option in flags_set.iter() { - fn get_table(option: &str) -> Result<TomlConfig, toml::de::Error> { - toml::from_str(option).and_then(|table: toml::Value| TomlConfig::deserialize(table)) - } - - let mut err = match get_table(option) { - Ok(v) => { - override_toml.merge( - None, - &mut Default::default(), - v, - ReplaceOpt::ErrorOnDuplicate, - ); - continue; - } - Err(e) => e, - }; - // We want to be able to set string values without quotes, - // like in `configure.py`. Try adding quotes around the right hand side - if let Some((key, value)) = option.split_once('=') - && !value.contains('"') - { - match get_table(&format!(r#"{key}="{value}""#)) { - Ok(v) => { - override_toml.merge( - None, - &mut Default::default(), - v, - ReplaceOpt::ErrorOnDuplicate, - ); - continue; - } - Err(e) => err = e, - } - } - eprintln!("failed to parse override `{option}`: `{err}"); - exit!(2) - } - toml.merge(None, &mut Default::default(), override_toml, ReplaceOpt::Override); - config.change_id = toml.change_id.inner; - let Build { - description, - build, - host, - target, - build_dir, - cargo, - rustc, - rustfmt, - cargo_clippy, - docs, - compiler_docs, - library_docs_private_items, - docs_minification, - submodules, - gdb, - lldb, - nodejs, - npm, - python, - reuse, - locked_deps, - vendor, - full_bootstrap, - bootstrap_cache_path, - extended, - tools, - tool, - verbose, - sanitizers, - profiler, - cargo_native_static, - low_priority, - configure_args, - local_rebuild, - print_step_timings, - print_step_rusage, - check_stage, - doc_stage, - build_stage, - test_stage, - install_stage, - dist_stage, - bench_stage, - patch_binaries_for_nix, - // This field is only used by bootstrap.py - metrics: _, - android_ndk, - optimized_compiler_builtins, - jobs, - compiletest_diff_tool, - compiletest_allow_stage0, - compiletest_use_stage0_libtest, - tidy_extra_checks, - ccache, - exclude, - } = toml.build.unwrap_or_default(); - - let mut paths: Vec<PathBuf> = flags_skip.into_iter().chain(flags_exclude).collect(); - - if let Some(exclude) = exclude { - paths.extend(exclude); - } - config.skip = paths .into_iter() .map(|p| { @@ -784,15 +759,20 @@ impl Config { }) .collect(); - config.jobs = Some(threads_from_config(flags_jobs.unwrap_or(jobs.unwrap_or(0)))); + #[cfg(feature = "tracing")] + span!( + target: "CONFIG_HANDLING", + tracing::Level::TRACE, + "normalizing and combining `flag.skip`/`flag.exclude` paths", + "config.skip" = ?config.skip, + ); - if let Some(flags_build) = flags_build { - config.host_target = TargetSelection::from_user(&flags_build); - } else if let Some(file_build) = build { - config.host_target = TargetSelection::from_user(&file_build); - }; + config.jobs = Some(threads_from_config(build_jobs.unwrap_or(0))); + if let Some(build) = build_build { + config.host_target = TargetSelection::from_user(&build); + } - set(&mut config.out, flags_build_dir.or_else(|| build_dir.map(PathBuf::from))); + set(&mut config.out, build_dir); // NOTE: Bootstrap spawns various commands with different working directories. // To avoid writing to random places on the file system, `config.out` needs to be an absolute path. if !config.out.is_absolute() { @@ -800,21 +780,13 @@ impl Config { config.out = absolute(&config.out).expect("can't make empty path absolute"); } - if cargo_clippy.is_some() && rustc.is_none() { + if build_cargo_clippy.is_some() && build_rustc.is_none() { println!( "WARNING: Using `build.cargo-clippy` without `build.rustc` usually fails due to toolchain conflict." ); } - config.patch_binaries_for_nix = patch_binaries_for_nix; - config.bootstrap_cache_path = bootstrap_cache_path; - config.llvm_assertions = - toml.llvm.as_ref().is_some_and(|llvm| llvm.assertions.unwrap_or(false)); - - config.initial_rustc = if let Some(rustc) = rustc { - if !flags_skip_stage0_validation { - config.check_stage0_version(&rustc, "rustc"); - } + config.initial_rustc = if let Some(rustc) = build_rustc { rustc } else { let dwn_ctx = DownloadContext::from(&config); @@ -836,12 +808,9 @@ impl Config { .trim() )); - config.initial_cargo_clippy = cargo_clippy; + config.initial_cargo_clippy = build_cargo_clippy; - config.initial_cargo = if let Some(cargo) = cargo { - if !flags_skip_stage0_validation { - config.check_stage0_version(&cargo, "cargo"); - } + config.initial_cargo = if let Some(cargo) = build_cargo { cargo } else { let dwn_ctx = DownloadContext::from(&config); @@ -856,62 +825,60 @@ impl Config { config.out = dir; } - config.hosts = if let Some(TargetSelectionList(arg_host)) = flags_host { - arg_host - } else if let Some(file_host) = host { - file_host.iter().map(|h| TargetSelection::from_user(h)).collect() - } else { - vec![config.host_target] - }; - config.targets = if let Some(TargetSelectionList(arg_target)) = flags_target { - arg_target - } else if let Some(file_target) = target { - file_target.iter().map(|h| TargetSelection::from_user(h)).collect() + config.hosts = if let Some(hosts) = host { hosts } else { vec![config.host_target] }; + config.targets = if let Some(targets) = target { + targets } else { // If target is *not* configured, then default to the host // toolchains. config.hosts.clone() }; - config.nodejs = nodejs.map(PathBuf::from); - config.npm = npm.map(PathBuf::from); - config.gdb = gdb.map(PathBuf::from); - config.lldb = lldb.map(PathBuf::from); - config.python = python.map(PathBuf::from); - config.reuse = reuse.map(PathBuf::from); - config.submodules = submodules; - config.android_ndk = android_ndk; - set(&mut config.low_priority, low_priority); - set(&mut config.compiler_docs, compiler_docs); - set(&mut config.library_docs_private_items, library_docs_private_items); - set(&mut config.docs_minification, docs_minification); - set(&mut config.docs, docs); - set(&mut config.locked_deps, locked_deps); - set(&mut config.full_bootstrap, full_bootstrap); - set(&mut config.extended, extended); - config.tools = tools; - set(&mut config.tool, tool); - set(&mut config.verbose, verbose); - set(&mut config.sanitizers, sanitizers); - set(&mut config.profiler, profiler); - set(&mut config.cargo_native_static, cargo_native_static); - set(&mut config.configure_args, configure_args); - set(&mut config.local_rebuild, local_rebuild); - set(&mut config.print_step_timings, print_step_timings); - set(&mut config.print_step_rusage, print_step_rusage); - - config.verbose = cmp::max(config.verbose, flags_verbose as usize); + config.nodejs = build_nodejs.map(PathBuf::from); + config.npm = build_npm.map(PathBuf::from); + config.gdb = build_gdb.map(PathBuf::from); + config.lldb = build_lldb.map(PathBuf::from); + config.python = build_python.map(PathBuf::from); + config.reuse = build_reuse.map(PathBuf::from); + config.submodules = build_submodules; + config.android_ndk = build_android_ndk; + config.bootstrap_cache_path = build_bootstrap_cache_path; + set(&mut config.low_priority, build_low_priority); + set(&mut config.compiler_docs, build_compiler_docs); + set(&mut config.library_docs_private_items, build_library_docs_private_items); + set(&mut config.docs_minification, build_docs_minification); + set(&mut config.docs, build_docs); + set(&mut config.locked_deps, build_locked_deps); + set(&mut config.full_bootstrap, build_full_bootstrap); + set(&mut config.extended, build_extended); + config.tools = build_tools; + set(&mut config.tool, build_tool); + set(&mut config.sanitizers, build_sanitizers); + set(&mut config.profiler, build_profiler); + set(&mut config.cargo_native_static, build_cargo_native_static); + set(&mut config.configure_args, build_configure_args); + set(&mut config.local_rebuild, build_local_rebuild); + set(&mut config.print_step_timings, build_print_step_timings); + set(&mut config.print_step_rusage, build_print_step_rusage); + config.patch_binaries_for_nix = build_patch_binaries_for_nix; // Verbose flag is a good default for `rust.verbose-tests`. config.verbose_tests = config.is_verbose(); - config.apply_install_config(toml.install); + config.prefix = install_prefix.map(PathBuf::from); + config.sysconfdir = install_sysconfdir.map(PathBuf::from); + config.datadir = install_datadir.map(PathBuf::from); + config.docdir = install_docdir.map(PathBuf::from); + set(&mut config.bindir, install_bindir.map(PathBuf::from)); + config.libdir = install_libdir.map(PathBuf::from); + config.mandir = install_mandir.map(PathBuf::from); + + config.llvm_assertions = llvm_assertions.unwrap_or(false); let file_content = t!(fs::read_to_string(config.src.join("src/ci/channel"))); let ci_channel = file_content.trim_end(); - let toml_channel = toml.rust.as_ref().and_then(|r| r.channel.clone()); - let is_user_configured_rust_channel = match toml_channel { + let is_user_configured_rust_channel = match rust_channel { Some(channel) if channel == "auto-detect" => { config.channel = ci_channel.into(); true @@ -924,7 +891,7 @@ impl Config { }; let default = config.channel == "dev"; - config.omit_git_hash = toml.rust.as_ref().and_then(|r| r.omit_git_hash).unwrap_or(default); + config.omit_git_hash = rust_omit_git_hash.unwrap_or(default); config.rust_info = config.git_info(config.omit_git_hash, &config.src); config.cargo_info = @@ -942,7 +909,7 @@ impl Config { config.in_tree_llvm_info = config.git_info(false, &config.src.join("src/llvm-project")); config.in_tree_gcc_info = config.git_info(false, &config.src.join("src/gcc")); - config.vendor = vendor.unwrap_or( + config.vendor = build_vendor.unwrap_or( config.rust_info.is_from_tarball() && config.src.join("vendor").exists() && config.src.join(".cargo/config.toml").exists(), @@ -955,11 +922,230 @@ impl Config { config.rust_profile_use = flags_rust_profile_use; config.rust_profile_generate = flags_rust_profile_generate; - config.apply_target_config(toml.target); - config.apply_rust_config(toml.rust, flags_warnings); + // FIXME(#133381): alt rustc builds currently do *not* have rustc debug assertions + // enabled. We should not download a CI alt rustc if we need rustc to have debug + // assertions (e.g. for crashes test suite). This can be changed once something like + // [Enable debug assertions on alt + // builds](https://github.com/rust-lang/rust/pull/131077) lands. + // + // Note that `rust.debug = true` currently implies `rust.debug-assertions = true`! + // + // This relies also on the fact that the global default for `download-rustc` will be + // `false` if it's not explicitly set. + let debug_assertions_requested = matches!(rust_rustc_debug_assertions, Some(true)) + || (matches!(rust_debug, Some(true)) + && !matches!(rust_rustc_debug_assertions, Some(false))); + + if debug_assertions_requested + && let Some(ref opt) = rust_download_rustc + && opt.is_string_or_true() + { + eprintln!( + "WARN: currently no CI rustc builds have rustc debug assertions \ + enabled. Please either set `rust.debug-assertions` to `false` if you \ + want to use download CI rustc or set `rust.download-rustc` to `false`." + ); + } + + config.download_rustc_commit = config.download_ci_rustc_commit( + rust_download_rustc, + debug_assertions_requested, + config.llvm_assertions, + ); + + if let Some(t) = toml.target { + for (triple, cfg) in t { + let mut target = Target::from_triple(&triple); + + if let Some(ref s) = cfg.llvm_config { + if config.download_rustc_commit.is_some() + && triple == *config.host_target.triple + { + panic!( + "setting llvm_config for the host is incompatible with download-rustc" + ); + } + target.llvm_config = Some(config.src.join(s)); + } + if let Some(patches) = cfg.llvm_has_rust_patches { + assert!( + config.submodules == Some(false) || cfg.llvm_config.is_some(), + "use of `llvm-has-rust-patches` is restricted to cases where either submodules are disabled or llvm-config been provided" + ); + target.llvm_has_rust_patches = Some(patches); + } + if let Some(ref s) = cfg.llvm_filecheck { + target.llvm_filecheck = Some(config.src.join(s)); + } + target.llvm_libunwind = cfg.llvm_libunwind.as_ref().map(|v| { + v.parse().unwrap_or_else(|_| { + panic!("failed to parse target.{triple}.llvm-libunwind") + }) + }); + if let Some(s) = cfg.no_std { + target.no_std = s; + } + target.cc = cfg.cc.map(PathBuf::from); + target.cxx = cfg.cxx.map(PathBuf::from); + target.ar = cfg.ar.map(PathBuf::from); + target.ranlib = cfg.ranlib.map(PathBuf::from); + target.linker = cfg.linker.map(PathBuf::from); + target.crt_static = cfg.crt_static; + target.musl_root = cfg.musl_root.map(PathBuf::from); + target.musl_libdir = cfg.musl_libdir.map(PathBuf::from); + target.wasi_root = cfg.wasi_root.map(PathBuf::from); + target.qemu_rootfs = cfg.qemu_rootfs.map(PathBuf::from); + target.runner = cfg.runner; + target.sanitizers = cfg.sanitizers; + target.profiler = cfg.profiler; + target.rpath = cfg.rpath; + target.optimized_compiler_builtins = cfg.optimized_compiler_builtins; + target.jemalloc = cfg.jemalloc; + if let Some(backends) = cfg.codegen_backends { + target.codegen_backends = + Some(parse_codegen_backends(backends, &format!("target.{triple}"))) + } + + target.split_debuginfo = cfg.split_debuginfo.as_ref().map(|v| { + v.parse().unwrap_or_else(|_| { + panic!("invalid value for target.{triple}.split-debuginfo") + }) + }); + + config.target_config.insert(TargetSelection::from_user(&triple), target); + } + } + + if rust_optimize.as_ref().is_some_and(|v| matches!(v, RustOptimize::Bool(false))) { + eprintln!( + "WARNING: setting `optimize` to `false` is known to cause errors and \ + should be considered unsupported. Refer to `bootstrap.example.toml` \ + for more details." + ); + } + + config.rust_new_symbol_mangling = rust_new_symbol_mangling; + set(&mut config.rust_optimize_tests, rust_optimize_tests); + set(&mut config.codegen_tests, rust_codegen_tests); + set(&mut config.rust_rpath, rust_rpath); + set(&mut config.rust_strip, rust_strip); + set(&mut config.rust_frame_pointers, rust_frame_pointers); + config.rust_stack_protector = rust_stack_protector; + set(&mut config.jemalloc, rust_jemalloc); + set(&mut config.test_compare_mode, rust_test_compare_mode); + set(&mut config.backtrace, rust_backtrace); + set(&mut config.rust_dist_src, rust_dist_src); + set(&mut config.verbose_tests, rust_verbose_tests); + // in the case "false" is set explicitly, do not overwrite the command line args + if let Some(true) = rust_incremental { + config.incremental = true; + } + set(&mut config.lld_mode, rust_lld_mode); + set(&mut config.llvm_bitcode_linker_enabled, rust_llvm_bitcode_linker); + + config.rust_randomize_layout = rust_randomize_layout.unwrap_or_default(); + config.llvm_tools_enabled = rust_llvm_tools.unwrap_or(true); + + config.llvm_enzyme = config.channel == "dev" || config.channel == "nightly"; + config.rustc_default_linker = rust_default_linker; + config.musl_root = rust_musl_root.map(PathBuf::from); + config.save_toolstates = rust_save_toolstates.map(PathBuf::from); + set( + &mut config.deny_warnings, + match flags_warnings { + Warnings::Deny => Some(true), + Warnings::Warn => Some(false), + Warnings::Default => rust_deny_warnings, + }, + ); + set(&mut config.backtrace_on_ice, rust_backtrace_on_ice); + set(&mut config.rust_verify_llvm_ir, rust_verify_llvm_ir); + config.rust_thin_lto_import_instr_limit = rust_thin_lto_import_instr_limit; + set(&mut config.rust_remap_debuginfo, rust_remap_debuginfo); + set(&mut config.control_flow_guard, rust_control_flow_guard); + set(&mut config.ehcont_guard, rust_ehcont_guard); + config.llvm_libunwind_default = + rust_llvm_libunwind.map(|v| v.parse().expect("failed to parse rust.llvm-libunwind")); + set( + &mut config.rust_codegen_backends, + rust_codegen_backends.map(|backends| parse_codegen_backends(backends, "rust")), + ); + + config.rust_codegen_units = rust_codegen_units.map(threads_from_config); + config.rust_codegen_units_std = rust_codegen_units_std.map(threads_from_config); + + if config.rust_profile_use.is_none() { + config.rust_profile_use = rust_profile_use; + } + + if config.rust_profile_generate.is_none() { + config.rust_profile_generate = rust_profile_generate; + } + + config.rust_lto = + rust_lto.as_deref().map(|value| RustcLto::from_str(value).unwrap()).unwrap_or_default(); + config.rust_validate_mir_opts = rust_validate_mir_opts; + + config.rust_optimize = rust_optimize.unwrap_or(RustOptimize::Bool(true)); + + // We make `x86_64-unknown-linux-gnu` use the self-contained linker by default, so we will + // build our internal lld and use it as the default linker, by setting the `rust.lld` config + // to true by default: + // - on the `x86_64-unknown-linux-gnu` target + // - when building our in-tree llvm (i.e. the target has not set an `llvm-config`), so that + // we're also able to build the corresponding lld + // - or when using an external llvm that's downloaded from CI, which also contains our prebuilt + // lld + // - otherwise, we'd be using an external llvm, and lld would not necessarily available and + // thus, disabled + // - similarly, lld will not be built nor used by default when explicitly asked not to, e.g. + // when the config sets `rust.lld = false` + if default_lld_opt_in_targets().contains(&config.host_target.triple.to_string()) + && config.hosts == [config.host_target] + { + let no_llvm_config = config + .target_config + .get(&config.host_target) + .is_none_or(|target_config| target_config.llvm_config.is_none()); + let enable_lld = config.llvm_from_ci || no_llvm_config; + // Prefer the config setting in case an explicit opt-out is needed. + config.lld_enabled = rust_lld_enabled.unwrap_or(enable_lld); + } else { + set(&mut config.lld_enabled, rust_lld_enabled); + } + + let default_std_features = BTreeSet::from([String::from("panic-unwind")]); + config.rust_std_features = rust_std_features.unwrap_or(default_std_features); + + let default = rust_debug == Some(true); + config.rustc_debug_assertions = rust_rustc_debug_assertions.unwrap_or(default); + config.std_debug_assertions = + rust_std_debug_assertions.unwrap_or(config.rustc_debug_assertions); + config.tools_debug_assertions = + rust_tools_debug_assertions.unwrap_or(config.rustc_debug_assertions); + config.rust_overflow_checks = rust_overflow_checks.unwrap_or(default); + config.rust_overflow_checks_std = + rust_overflow_checks_std.unwrap_or(config.rust_overflow_checks); + + config.rust_debug_logging = rust_debug_logging.unwrap_or(config.rustc_debug_assertions); + + let with_defaults = |debuginfo_level_specific: Option<_>| { + debuginfo_level_specific.or(rust_debuginfo_level).unwrap_or( + if rust_debug == Some(true) { + DebuginfoLevel::Limited + } else { + DebuginfoLevel::None + }, + ) + }; + config.rust_debuginfo_level_rustc = with_defaults(rust_debuginfo_level_rustc); + config.rust_debuginfo_level_std = with_defaults(rust_debuginfo_level_std); + config.rust_debuginfo_level_tools = with_defaults(rust_debuginfo_level_tools); + config.rust_debuginfo_level_tests = + rust_debuginfo_level_tests.unwrap_or(DebuginfoLevel::None); config.reproducible_artifacts = flags_reproducible_artifact; - config.description = description; + config.description = build_description; // We need to override `rust.channel` if it's manually specified when using the CI rustc. // This is because if the compiler uses a different channel than the one specified in bootstrap.toml, @@ -977,11 +1163,90 @@ impl Config { config.channel = channel; } - config.apply_llvm_config(toml.llvm); + set(&mut config.ninja_in_file, llvm_ninja); + set(&mut config.llvm_optimize, llvm_optimize); + set(&mut config.llvm_thin_lto, llvm_thin_lto); + set(&mut config.llvm_release_debuginfo, llvm_release_debuginfo); + set(&mut config.llvm_static_stdcpp, llvm_static_libstdcpp); + set(&mut config.llvm_libzstd, llvm_libzstd); + if let Some(v) = llvm_link_shared { + config.llvm_link_shared.set(Some(v)); + } + config.llvm_targets.clone_from(&llvm_targets); + config.llvm_experimental_targets.clone_from(&llvm_experimental_targets); + config.llvm_link_jobs = llvm_link_jobs; + config.llvm_version_suffix.clone_from(&llvm_version_suffix); + config.llvm_clang_cl.clone_from(&llvm_clang_cl); + config.llvm_tests = llvm_tests.unwrap_or_default(); + config.llvm_enzyme = llvm_enzyme.unwrap_or_default(); + config.llvm_plugins = llvm_plugin.unwrap_or_default(); + + config.llvm_cflags.clone_from(&llvm_cflags); + config.llvm_cxxflags.clone_from(&llvm_cxxflags); + config.llvm_ldflags.clone_from(&llvm_ldflags); + set(&mut config.llvm_use_libcxx, llvm_use_libcxx); + config.llvm_use_linker.clone_from(&llvm_use_linker); + config.llvm_allow_old_toolchain = llvm_allow_old_toolchain.unwrap_or(false); + config.llvm_offload = llvm_offload.unwrap_or(false); + config.llvm_polly = llvm_polly.unwrap_or(false); + config.llvm_clang = llvm_clang.unwrap_or(false); + config.llvm_enable_warnings = llvm_enable_warnings.unwrap_or(false); + config.llvm_build_config = llvm_build_config.clone().unwrap_or(Default::default()); + + config.llvm_from_ci = + config.parse_download_ci_llvm(llvm_download_ci_llvm, config.llvm_assertions); + + if config.llvm_from_ci { + let warn = |option: &str| { + println!( + "WARNING: `{option}` will only be used on `compiler/rustc_llvm` build, not for the LLVM build." + ); + println!( + "HELP: To use `{option}` for LLVM builds, set `download-ci-llvm` option to false." + ); + }; + + if llvm_static_libstdcpp.is_some() { + warn("static-libstdcpp"); + } + + if llvm_link_shared.is_some() { + warn("link-shared"); + } + + // FIXME(#129153): instead of all the ad-hoc `download-ci-llvm` checks that follow, + // use the `builder-config` present in tarballs since #128822 to compare the local + // config to the ones used to build the LLVM artifacts on CI, and only notify users + // if they've chosen a different value. + + if llvm_libzstd.is_some() { + println!( + "WARNING: when using `download-ci-llvm`, the local `llvm.libzstd` option, \ + like almost all `llvm.*` options, will be ignored and set by the LLVM CI \ + artifacts builder config." + ); + println!( + "HELP: To use `llvm.libzstd` for LLVM/LLD builds, set `download-ci-llvm` option to false." + ); + } + } + + if !config.llvm_from_ci && config.llvm_thin_lto && llvm_link_shared.is_none() { + // If we're building with ThinLTO on, by default we want to link + // to LLVM shared, to avoid re-doing ThinLTO (which happens in + // the link step) with each stage. + config.llvm_link_shared.set(Some(true)); + } - config.apply_gcc_config(toml.gcc); + config.gcc_ci_mode = match gcc_download_ci_gcc { + Some(value) => match value { + true => GccCiMode::DownloadFromCi, + false => GccCiMode::BuildLocally, + }, + None => GccCiMode::default(), + }; - match ccache { + match build_ccache { Some(StringOrBool::String(ref s)) => config.ccache = Some(s.to_string()), Some(StringOrBool::Bool(true)) => { config.ccache = Some("ccache".to_string()); @@ -1005,9 +1270,18 @@ impl Config { Some(ci_llvm_bin.join(exe("FileCheck", config.host_target))); } - config.apply_dist_config(toml.dist); + config.dist_sign_folder = dist_sign_folder.map(PathBuf::from); + config.dist_upload_addr = dist_upload_addr; + config.dist_compression_formats = dist_compression_formats; + set(&mut config.dist_compression_profile, dist_compression_profile); + set(&mut config.rust_dist_src, dist_src_tarball); + set(&mut config.dist_include_mingw_linker, dist_include_mingw_linker); + config.dist_vendor = dist_vendor.unwrap_or_else(|| { + // If we're building from git or tarball sources, enable it by default. + config.rust_info.is_managed_git_subrepository() || config.rust_info.is_from_tarball() + }); - config.initial_rustfmt = if let Some(r) = rustfmt { + config.initial_rustfmt = if let Some(r) = build_rustfmt { Some(r) } else { let dwn_ctx = DownloadContext::from(&config); @@ -1028,41 +1302,40 @@ impl Config { } config.optimized_compiler_builtins = - optimized_compiler_builtins.unwrap_or(config.channel != "dev"); - - config.compiletest_diff_tool = compiletest_diff_tool; - - config.compiletest_allow_stage0 = compiletest_allow_stage0.unwrap_or(false); - config.compiletest_use_stage0_libtest = compiletest_use_stage0_libtest.unwrap_or(true); - - config.tidy_extra_checks = tidy_extra_checks; + build_optimized_compiler_builtins.unwrap_or(config.channel != "dev"); + config.compiletest_diff_tool = build_compiletest_diff_tool; + config.compiletest_use_stage0_libtest = + build_compiletest_use_stage0_libtest.unwrap_or(true); + config.tidy_extra_checks = build_tidy_extra_checks; let download_rustc = config.download_rustc_commit.is_some(); config.explicit_stage_from_cli = flags_stage.is_some(); - config.explicit_stage_from_config = test_stage.is_some() - || build_stage.is_some() - || doc_stage.is_some() - || dist_stage.is_some() - || install_stage.is_some() - || check_stage.is_some() - || bench_stage.is_some(); + config.explicit_stage_from_config = build_test_stage.is_some() + || build_build_stage.is_some() + || build_doc_stage.is_some() + || build_dist_stage.is_some() + || build_install_stage.is_some() + || build_check_stage.is_some() + || build_bench_stage.is_some(); config.stage = match config.cmd { - Subcommand::Check { .. } => flags_stage.or(check_stage).unwrap_or(1), - Subcommand::Clippy { .. } | Subcommand::Fix => flags_stage.or(check_stage).unwrap_or(1), + Subcommand::Check { .. } => flags_stage.or(build_check_stage).unwrap_or(1), + Subcommand::Clippy { .. } | Subcommand::Fix => { + flags_stage.or(build_check_stage).unwrap_or(1) + } // `download-rustc` only has a speed-up for stage2 builds. Default to stage2 unless explicitly overridden. Subcommand::Doc { .. } => { - flags_stage.or(doc_stage).unwrap_or(if download_rustc { 2 } else { 1 }) + flags_stage.or(build_doc_stage).unwrap_or(if download_rustc { 2 } else { 1 }) } Subcommand::Build => { - flags_stage.or(build_stage).unwrap_or(if download_rustc { 2 } else { 1 }) + flags_stage.or(build_build_stage).unwrap_or(if download_rustc { 2 } else { 1 }) } Subcommand::Test { .. } | Subcommand::Miri { .. } => { - flags_stage.or(test_stage).unwrap_or(if download_rustc { 2 } else { 1 }) + flags_stage.or(build_test_stage).unwrap_or(if download_rustc { 2 } else { 1 }) } - Subcommand::Bench { .. } => flags_stage.or(bench_stage).unwrap_or(2), - Subcommand::Dist => flags_stage.or(dist_stage).unwrap_or(2), - Subcommand::Install => flags_stage.or(install_stage).unwrap_or(2), + Subcommand::Bench { .. } => flags_stage.or(build_bench_stage).unwrap_or(2), + Subcommand::Dist => flags_stage.or(build_dist_stage).unwrap_or(2), + Subcommand::Install => flags_stage.or(build_install_stage).unwrap_or(2), Subcommand::Perf { .. } => flags_stage.unwrap_or(1), // These are all bootstrap tools, which don't depend on the compiler. // The stage we pass shouldn't matter, but use 0 just in case. @@ -1512,49 +1785,6 @@ impl Config { } } - #[cfg(test)] - pub fn check_stage0_version(&self, _program_path: &Path, _component_name: &'static str) {} - - /// check rustc/cargo version is same or lower with 1 apart from the building one - #[cfg(not(test))] - pub fn check_stage0_version(&self, program_path: &Path, component_name: &'static str) { - use build_helper::util::fail; - - if self.dry_run() { - return; - } - - let stage0_output = - command(program_path).arg("--version").run_capture_stdout(self).stdout(); - let mut stage0_output = stage0_output.lines().next().unwrap().split(' '); - - let stage0_name = stage0_output.next().unwrap(); - if stage0_name != component_name { - fail(&format!( - "Expected to find {component_name} at {} but it claims to be {stage0_name}", - program_path.display() - )); - } - - let stage0_version = - semver::Version::parse(stage0_output.next().unwrap().split('-').next().unwrap().trim()) - .unwrap(); - let source_version = semver::Version::parse( - fs::read_to_string(self.src.join("src/version")).unwrap().trim(), - ) - .unwrap(); - if !(source_version == stage0_version - || (source_version.major == stage0_version.major - && (source_version.minor == stage0_version.minor - || source_version.minor == stage0_version.minor + 1))) - { - let prev_version = format!("{}.{}.x", source_version.major, source_version.minor - 1); - fail(&format!( - "Unexpected {component_name} version: {stage0_version}, we should use {prev_version}/{source_version} to build source with {source_version}" - )); - } - } - /// Returns the commit to download, or `None` if we shouldn't download CI artifacts. pub fn download_ci_rustc_commit( &self, @@ -1846,3 +2076,262 @@ impl AsRef<ExecutionContext> for Config { &self.exec_ctx } } + +fn compute_src_directory(src_dir: Option<PathBuf>, exec_ctx: &ExecutionContext) -> Option<PathBuf> { + if let Some(src) = src_dir { + return Some(src); + } else { + // Infer the source directory. This is non-trivial because we want to support a downloaded bootstrap binary, + // running on a completely different machine from where it was compiled. + let mut cmd = helpers::git(None); + // NOTE: we cannot support running from outside the repository because the only other path we have available + // is set at compile time, which can be wrong if bootstrap was downloaded rather than compiled locally. + // We still support running outside the repository if we find we aren't in a git directory. + + // NOTE: We get a relative path from git to work around an issue on MSYS/mingw. If we used an absolute path, + // and end up using MSYS's git rather than git-for-windows, we would get a unix-y MSYS path. But as bootstrap + // has already been (kinda-cross-)compiled to Windows land, we require a normal Windows path. + cmd.arg("rev-parse").arg("--show-cdup"); + // Discard stderr because we expect this to fail when building from a tarball. + let output = cmd.allow_failure().run_capture_stdout(exec_ctx); + if output.is_success() { + let git_root_relative = output.stdout(); + // We need to canonicalize this path to make sure it uses backslashes instead of forward slashes, + // and to resolve any relative components. + let git_root = env::current_dir() + .unwrap() + .join(PathBuf::from(git_root_relative.trim())) + .canonicalize() + .unwrap(); + let s = git_root.to_str().unwrap(); + + // Bootstrap is quite bad at handling /? in front of paths + let git_root = match s.strip_prefix("\\\\?\\") { + Some(p) => PathBuf::from(p), + None => git_root, + }; + // If this doesn't have at least `stage0`, we guessed wrong. This can happen when, + // for example, the build directory is inside of another unrelated git directory. + // In that case keep the original `CARGO_MANIFEST_DIR` handling. + // + // NOTE: this implies that downloadable bootstrap isn't supported when the build directory is outside + // the source directory. We could fix that by setting a variable from all three of python, ./x, and x.ps1. + if git_root.join("src").join("stage0").exists() { + return Some(git_root); + } + } else { + // We're building from a tarball, not git sources. + // We don't support pre-downloaded bootstrap in this case. + } + }; + None +} + +/// Loads bootstrap TOML config and returns the config together with a path from where +/// it was loaded. +/// `src` is the source root directory, and `config_path` is an optionally provided path to the +/// config. +fn load_toml_config( + src: &Path, + config_path: Option<PathBuf>, + get_toml: &impl Fn(&Path) -> Result<TomlConfig, toml::de::Error>, +) -> (TomlConfig, Option<PathBuf>) { + // Locate the configuration file using the following priority (first match wins): + // 1. `--config <path>` (explicit flag) + // 2. `RUST_BOOTSTRAP_CONFIG` environment variable + // 3. `./bootstrap.toml` (local file) + // 4. `<root>/bootstrap.toml` + // 5. `./config.toml` (fallback for backward compatibility) + // 6. `<root>/config.toml` + let toml_path = config_path.or_else(|| env::var_os("RUST_BOOTSTRAP_CONFIG").map(PathBuf::from)); + let using_default_path = toml_path.is_none(); + let mut toml_path = toml_path.unwrap_or_else(|| PathBuf::from("bootstrap.toml")); + + if using_default_path && !toml_path.exists() { + toml_path = src.join(PathBuf::from("bootstrap.toml")); + if !toml_path.exists() { + toml_path = PathBuf::from("config.toml"); + if !toml_path.exists() { + toml_path = src.join(PathBuf::from("config.toml")); + } + } + } + + // Give a hard error if `--config` or `RUST_BOOTSTRAP_CONFIG` are set to a missing path, + // but not if `bootstrap.toml` hasn't been created. + if !using_default_path || toml_path.exists() { + let path = Some(if cfg!(not(test)) { + toml_path = toml_path.canonicalize().unwrap(); + toml_path.clone() + } else { + toml_path.clone() + }); + ( + get_toml(&toml_path).unwrap_or_else(|e| { + eprintln!("ERROR: Failed to parse '{}': {e}", toml_path.display()); + exit!(2); + }), + path, + ) + } else { + (TomlConfig::default(), None) + } +} + +fn postprocess_toml( + toml: &mut TomlConfig, + src_dir: &Path, + toml_path: Option<PathBuf>, + exec_ctx: &ExecutionContext, + override_set: &[String], + get_toml: &impl Fn(&Path) -> Result<TomlConfig, toml::de::Error>, +) { + let git_info = GitInfo::new(false, src_dir, exec_ctx); + + if git_info.is_from_tarball() && toml.profile.is_none() { + toml.profile = Some("dist".into()); + } + + // Reverse the list to ensure the last added config extension remains the most dominant. + // For example, given ["a.toml", "b.toml"], "b.toml" should take precedence over "a.toml". + // + // This must be handled before applying the `profile` since `include`s should always take + // precedence over `profile`s. + for include_path in toml.include.clone().unwrap_or_default().iter().rev() { + let include_path = toml_path + .as_ref() + .expect("include found in default TOML config") + .parent() + .unwrap() + .join(include_path); + + let included_toml = get_toml(&include_path).unwrap_or_else(|e| { + eprintln!("ERROR: Failed to parse '{}': {e}", include_path.display()); + exit!(2); + }); + toml.merge( + Some(include_path), + &mut Default::default(), + included_toml, + ReplaceOpt::IgnoreDuplicate, + ); + } + + if let Some(include) = &toml.profile { + // Allows creating alias for profile names, allowing + // profiles to be renamed while maintaining back compatibility + // Keep in sync with `profile_aliases` in bootstrap.py + let profile_aliases = HashMap::from([("user", "dist")]); + let include = match profile_aliases.get(include.as_str()) { + Some(alias) => alias, + None => include.as_str(), + }; + let mut include_path = PathBuf::from(src_dir); + include_path.push("src"); + include_path.push("bootstrap"); + include_path.push("defaults"); + include_path.push(format!("bootstrap.{include}.toml")); + let included_toml = get_toml(&include_path).unwrap_or_else(|e| { + eprintln!( + "ERROR: Failed to parse default config profile at '{}': {e}", + include_path.display() + ); + exit!(2); + }); + toml.merge( + Some(include_path), + &mut Default::default(), + included_toml, + ReplaceOpt::IgnoreDuplicate, + ); + } + + let mut override_toml = TomlConfig::default(); + for option in override_set.iter() { + fn get_table(option: &str) -> Result<TomlConfig, toml::de::Error> { + toml::from_str(option).and_then(|table: toml::Value| TomlConfig::deserialize(table)) + } + + let mut err = match get_table(option) { + Ok(v) => { + override_toml.merge(None, &mut Default::default(), v, ReplaceOpt::ErrorOnDuplicate); + continue; + } + Err(e) => e, + }; + // We want to be able to set string values without quotes, + // like in `configure.py`. Try adding quotes around the right hand side + if let Some((key, value)) = option.split_once('=') + && !value.contains('"') + { + match get_table(&format!(r#"{key}="{value}""#)) { + Ok(v) => { + override_toml.merge( + None, + &mut Default::default(), + v, + ReplaceOpt::ErrorOnDuplicate, + ); + continue; + } + Err(e) => err = e, + } + } + eprintln!("failed to parse override `{option}`: `{err}"); + exit!(2) + } + toml.merge(None, &mut Default::default(), override_toml, ReplaceOpt::Override); +} + +#[cfg(test)] +pub fn check_stage0_version( + _program_path: &Path, + _component_name: &'static str, + _src_dir: &Path, + _exec_ctx: &ExecutionContext, +) { +} + +/// check rustc/cargo version is same or lower with 1 apart from the building one +#[cfg(not(test))] +pub fn check_stage0_version( + program_path: &Path, + component_name: &'static str, + src_dir: &Path, + exec_ctx: &ExecutionContext, +) { + use build_helper::util::fail; + + if exec_ctx.dry_run() { + return; + } + + let stage0_output = + command(program_path).arg("--version").run_capture_stdout(exec_ctx).stdout(); + let mut stage0_output = stage0_output.lines().next().unwrap().split(' '); + + let stage0_name = stage0_output.next().unwrap(); + if stage0_name != component_name { + fail(&format!( + "Expected to find {component_name} at {} but it claims to be {stage0_name}", + program_path.display() + )); + } + + let stage0_version = + semver::Version::parse(stage0_output.next().unwrap().split('-').next().unwrap().trim()) + .unwrap(); + let source_version = + semver::Version::parse(fs::read_to_string(src_dir.join("src/version")).unwrap().trim()) + .unwrap(); + if !(source_version == stage0_version + || (source_version.major == stage0_version.major + && (source_version.minor == stage0_version.minor + || source_version.minor == stage0_version.minor + 1))) + { + let prev_version = format!("{}.{}.x", source_version.major, source_version.minor - 1); + fail(&format!( + "Unexpected {component_name} version: {stage0_version}, we should use {prev_version}/{source_version} to build source with {source_version}" + )); + } +} diff --git a/src/bootstrap/src/core/config/toml/dist.rs b/src/bootstrap/src/core/config/toml/dist.rs index b1429ef1861..934d64d8899 100644 --- a/src/bootstrap/src/core/config/toml/dist.rs +++ b/src/bootstrap/src/core/config/toml/dist.rs @@ -7,11 +7,12 @@ use serde::{Deserialize, Deserializer}; +use crate::core::config::Merge; use crate::core::config::toml::ReplaceOpt; -use crate::core::config::{Merge, set}; -use crate::{Config, HashSet, PathBuf, define_config, exit}; +use crate::{HashSet, PathBuf, define_config, exit}; define_config! { + #[derive(Default)] struct Dist { sign_folder: Option<String> = "sign-folder", upload_addr: Option<String> = "upload-addr", @@ -22,31 +23,3 @@ define_config! { vendor: Option<bool> = "vendor", } } - -impl Config { - /// Applies distribution-related configuration from the `Dist` struct - /// to the global `Config` structure. - pub fn apply_dist_config(&mut self, toml_dist: Option<Dist>) { - if let Some(dist) = toml_dist { - let Dist { - sign_folder, - upload_addr, - src_tarball, - compression_formats, - compression_profile, - include_mingw_linker, - vendor, - } = dist; - self.dist_sign_folder = sign_folder.map(PathBuf::from); - self.dist_upload_addr = upload_addr; - self.dist_compression_formats = compression_formats; - set(&mut self.dist_compression_profile, compression_profile); - set(&mut self.rust_dist_src, src_tarball); - set(&mut self.dist_include_mingw_linker, include_mingw_linker); - self.dist_vendor = vendor.unwrap_or_else(|| { - // If we're building from git or tarball sources, enable it by default. - self.rust_info.is_managed_git_subrepository() || self.rust_info.is_from_tarball() - }); - } - } -} diff --git a/src/bootstrap/src/core/config/toml/gcc.rs b/src/bootstrap/src/core/config/toml/gcc.rs index bb817c2aaef..9ea697edf15 100644 --- a/src/bootstrap/src/core/config/toml/gcc.rs +++ b/src/bootstrap/src/core/config/toml/gcc.rs @@ -6,29 +6,14 @@ use serde::{Deserialize, Deserializer}; +use crate::core::config::Merge; use crate::core::config::toml::ReplaceOpt; -use crate::core::config::{GccCiMode, Merge}; -use crate::{Config, HashSet, PathBuf, define_config, exit}; +use crate::{HashSet, PathBuf, define_config, exit}; define_config! { /// TOML representation of how the GCC build is configured. + #[derive(Default)] struct Gcc { download_ci_gcc: Option<bool> = "download-ci-gcc", } } - -impl Config { - /// Applies GCC-related configuration from the `TomlGcc` struct to the - /// global `Config` structure. - pub fn apply_gcc_config(&mut self, toml_gcc: Option<Gcc>) { - if let Some(gcc) = toml_gcc { - self.gcc_ci_mode = match gcc.download_ci_gcc { - Some(value) => match value { - true => GccCiMode::DownloadFromCi, - false => GccCiMode::BuildLocally, - }, - None => GccCiMode::default(), - }; - } - } -} diff --git a/src/bootstrap/src/core/config/toml/install.rs b/src/bootstrap/src/core/config/toml/install.rs index 6b9ab87a0b6..60fa958bd82 100644 --- a/src/bootstrap/src/core/config/toml/install.rs +++ b/src/bootstrap/src/core/config/toml/install.rs @@ -8,12 +8,13 @@ use serde::{Deserialize, Deserializer}; +use crate::core::config::Merge; use crate::core::config::toml::ReplaceOpt; -use crate::core::config::{Merge, set}; -use crate::{Config, HashSet, PathBuf, define_config, exit}; +use crate::{HashSet, PathBuf, define_config, exit}; define_config! { /// TOML representation of various global install decisions. + #[derive(Default)] struct Install { prefix: Option<String> = "prefix", sysconfdir: Option<String> = "sysconfdir", @@ -24,20 +25,3 @@ define_config! { datadir: Option<String> = "datadir", } } - -impl Config { - /// Applies installation-related configuration from the `Install` struct - /// to the global `Config` structure. - pub fn apply_install_config(&mut self, toml_install: Option<Install>) { - if let Some(install) = toml_install { - let Install { prefix, sysconfdir, docdir, bindir, libdir, mandir, datadir } = install; - self.prefix = prefix.map(PathBuf::from); - self.sysconfdir = sysconfdir.map(PathBuf::from); - self.datadir = datadir.map(PathBuf::from); - self.docdir = docdir.map(PathBuf::from); - set(&mut self.bindir, bindir.map(PathBuf::from)); - self.libdir = libdir.map(PathBuf::from); - self.mandir = mandir.map(PathBuf::from); - } - } -} diff --git a/src/bootstrap/src/core/config/toml/llvm.rs b/src/bootstrap/src/core/config/toml/llvm.rs index 1f0cecd145c..9751837a887 100644 --- a/src/bootstrap/src/core/config/toml/llvm.rs +++ b/src/bootstrap/src/core/config/toml/llvm.rs @@ -3,12 +3,13 @@ use serde::{Deserialize, Deserializer}; +use crate::core::config::StringOrBool; use crate::core::config::toml::{Merge, ReplaceOpt, TomlConfig}; -use crate::core::config::{StringOrBool, set}; -use crate::{Config, HashMap, HashSet, PathBuf, define_config, exit}; +use crate::{HashMap, HashSet, PathBuf, define_config, exit}; define_config! { /// TOML representation of how the LLVM build is configured. + #[derive(Default)] struct Llvm { optimize: Option<bool> = "optimize", thin_lto: Option<bool> = "thin-lto", @@ -144,127 +145,3 @@ pub fn check_incompatible_options_for_ci_llvm( Ok(()) } - -impl Config { - pub fn apply_llvm_config(&mut self, toml_llvm: Option<Llvm>) { - let mut llvm_tests = None; - let mut llvm_enzyme = None; - let mut llvm_offload = None; - let mut llvm_plugins = None; - - if let Some(llvm) = toml_llvm { - let Llvm { - optimize: optimize_toml, - thin_lto, - release_debuginfo, - assertions: _, - tests, - enzyme, - plugins, - static_libstdcpp, - libzstd, - ninja, - targets, - experimental_targets, - link_jobs, - link_shared, - version_suffix, - clang_cl, - cflags, - cxxflags, - ldflags, - use_libcxx, - use_linker, - allow_old_toolchain, - offload, - polly, - clang, - enable_warnings, - download_ci_llvm, - build_config, - } = llvm; - - set(&mut self.ninja_in_file, ninja); - llvm_tests = tests; - llvm_enzyme = enzyme; - llvm_offload = offload; - llvm_plugins = plugins; - set(&mut self.llvm_optimize, optimize_toml); - set(&mut self.llvm_thin_lto, thin_lto); - set(&mut self.llvm_release_debuginfo, release_debuginfo); - set(&mut self.llvm_static_stdcpp, static_libstdcpp); - set(&mut self.llvm_libzstd, libzstd); - if let Some(v) = link_shared { - self.llvm_link_shared.set(Some(v)); - } - self.llvm_targets.clone_from(&targets); - self.llvm_experimental_targets.clone_from(&experimental_targets); - self.llvm_link_jobs = link_jobs; - self.llvm_version_suffix.clone_from(&version_suffix); - self.llvm_clang_cl.clone_from(&clang_cl); - - self.llvm_cflags.clone_from(&cflags); - self.llvm_cxxflags.clone_from(&cxxflags); - self.llvm_ldflags.clone_from(&ldflags); - set(&mut self.llvm_use_libcxx, use_libcxx); - self.llvm_use_linker.clone_from(&use_linker); - self.llvm_allow_old_toolchain = allow_old_toolchain.unwrap_or(false); - self.llvm_offload = offload.unwrap_or(false); - self.llvm_polly = polly.unwrap_or(false); - self.llvm_clang = clang.unwrap_or(false); - self.llvm_enable_warnings = enable_warnings.unwrap_or(false); - self.llvm_build_config = build_config.clone().unwrap_or(Default::default()); - - self.llvm_from_ci = self.parse_download_ci_llvm(download_ci_llvm, self.llvm_assertions); - - if self.llvm_from_ci { - let warn = |option: &str| { - println!( - "WARNING: `{option}` will only be used on `compiler/rustc_llvm` build, not for the LLVM build." - ); - println!( - "HELP: To use `{option}` for LLVM builds, set `download-ci-llvm` option to false." - ); - }; - - if static_libstdcpp.is_some() { - warn("static-libstdcpp"); - } - - if link_shared.is_some() { - warn("link-shared"); - } - - // FIXME(#129153): instead of all the ad-hoc `download-ci-llvm` checks that follow, - // use the `builder-config` present in tarballs since #128822 to compare the local - // config to the ones used to build the LLVM artifacts on CI, and only notify users - // if they've chosen a different value. - - if libzstd.is_some() { - println!( - "WARNING: when using `download-ci-llvm`, the local `llvm.libzstd` option, \ - like almost all `llvm.*` options, will be ignored and set by the LLVM CI \ - artifacts builder config." - ); - println!( - "HELP: To use `llvm.libzstd` for LLVM/LLD builds, set `download-ci-llvm` option to false." - ); - } - } - - if !self.llvm_from_ci && self.llvm_thin_lto && link_shared.is_none() { - // If we're building with ThinLTO on, by default we want to link - // to LLVM shared, to avoid re-doing ThinLTO (which happens in - // the link step) with each stage. - self.llvm_link_shared.set(Some(true)); - } - } else { - self.llvm_from_ci = self.parse_download_ci_llvm(None, false); - } - - self.llvm_tests = llvm_tests.unwrap_or(false); - self.llvm_enzyme = llvm_enzyme.unwrap_or(false); - self.llvm_offload = llvm_offload.unwrap_or(false); - self.llvm_plugins = llvm_plugins.unwrap_or(false); - } -} diff --git a/src/bootstrap/src/core/config/toml/mod.rs b/src/bootstrap/src/core/config/toml/mod.rs index 01eb243159c..7af22432ef8 100644 --- a/src/bootstrap/src/core/config/toml/mod.rs +++ b/src/bootstrap/src/core/config/toml/mod.rs @@ -5,7 +5,7 @@ //! these raw TOML configurations from various sources (the main `bootstrap.toml`, //! included files, profile defaults, and command-line overrides). This processed //! TOML data then serves as an intermediate representation, which is further -//! transformed and applied to the final [`Config`] struct. +//! transformed and applied to the final `Config` struct. use serde::Deserialize; use serde_derive::Deserialize; diff --git a/src/bootstrap/src/core/config/toml/rust.rs b/src/bootstrap/src/core/config/toml/rust.rs index 03da993a17d..b95fb236fa1 100644 --- a/src/bootstrap/src/core/config/toml/rust.rs +++ b/src/bootstrap/src/core/config/toml/rust.rs @@ -1,22 +1,16 @@ //! This module defines the `Rust` struct, which represents the `[rust]` table //! in the `bootstrap.toml` configuration file. -use std::str::FromStr; - use serde::{Deserialize, Deserializer}; use crate::core::build_steps::compile::CODEGEN_BACKEND_PREFIX; use crate::core::config::toml::TomlConfig; -use crate::core::config::{ - DebuginfoLevel, Merge, ReplaceOpt, RustcLto, StringOrBool, set, threads_from_config, -}; -use crate::flags::Warnings; -use crate::{ - BTreeSet, CodegenBackendKind, Config, HashSet, PathBuf, TargetSelection, define_config, exit, -}; +use crate::core::config::{DebuginfoLevel, Merge, ReplaceOpt, StringOrBool}; +use crate::{BTreeSet, CodegenBackendKind, HashSet, PathBuf, TargetSelection, define_config, exit}; define_config! { /// TOML representation of how the Rust build is configured. + #[derive(Default)] struct Rust { optimize: Option<RustOptimize> = "optimize", debug: Option<bool> = "debug", @@ -424,7 +418,7 @@ pub(crate) fn parse_codegen_backends( } #[cfg(not(test))] -fn default_lld_opt_in_targets() -> Vec<String> { +pub fn default_lld_opt_in_targets() -> Vec<String> { vec!["x86_64-unknown-linux-gnu".to_string()] } @@ -434,7 +428,7 @@ thread_local! { } #[cfg(test)] -fn default_lld_opt_in_targets() -> Vec<String> { +pub fn default_lld_opt_in_targets() -> Vec<String> { TEST_LLD_OPT_IN_TARGETS.with(|cell| cell.borrow().clone()).unwrap_or_default() } @@ -447,250 +441,3 @@ pub fn with_lld_opt_in_targets<R>(targets: Vec<String>, f: impl FnOnce() -> R) - result }) } - -impl Config { - pub fn apply_rust_config(&mut self, toml_rust: Option<Rust>, warnings: Warnings) { - let mut debug = None; - let mut rustc_debug_assertions = None; - let mut std_debug_assertions = None; - let mut tools_debug_assertions = None; - let mut overflow_checks = None; - let mut overflow_checks_std = None; - let mut debug_logging = None; - let mut debuginfo_level = None; - let mut debuginfo_level_rustc = None; - let mut debuginfo_level_std = None; - let mut debuginfo_level_tools = None; - let mut debuginfo_level_tests = None; - let mut optimize = None; - let mut lld_enabled = None; - let mut std_features = None; - - if let Some(rust) = toml_rust { - let Rust { - optimize: optimize_toml, - debug: debug_toml, - codegen_units, - codegen_units_std, - rustc_debug_assertions: rustc_debug_assertions_toml, - std_debug_assertions: std_debug_assertions_toml, - tools_debug_assertions: tools_debug_assertions_toml, - overflow_checks: overflow_checks_toml, - overflow_checks_std: overflow_checks_std_toml, - debug_logging: debug_logging_toml, - debuginfo_level: debuginfo_level_toml, - debuginfo_level_rustc: debuginfo_level_rustc_toml, - debuginfo_level_std: debuginfo_level_std_toml, - debuginfo_level_tools: debuginfo_level_tools_toml, - debuginfo_level_tests: debuginfo_level_tests_toml, - backtrace, - incremental, - randomize_layout, - default_linker, - channel: _, // already handled above - musl_root, - rpath, - verbose_tests, - optimize_tests, - codegen_tests, - omit_git_hash: _, // already handled above - dist_src, - save_toolstates, - codegen_backends, - lld: lld_enabled_toml, - llvm_tools, - llvm_bitcode_linker, - deny_warnings, - backtrace_on_ice, - verify_llvm_ir, - thin_lto_import_instr_limit, - remap_debuginfo, - jemalloc, - test_compare_mode, - llvm_libunwind, - control_flow_guard, - ehcont_guard, - new_symbol_mangling, - profile_generate, - profile_use, - download_rustc, - lto, - validate_mir_opts, - frame_pointers, - stack_protector, - strip, - lld_mode, - std_features: std_features_toml, - } = rust; - - // FIXME(#133381): alt rustc builds currently do *not* have rustc debug assertions - // enabled. We should not download a CI alt rustc if we need rustc to have debug - // assertions (e.g. for crashes test suite). This can be changed once something like - // [Enable debug assertions on alt - // builds](https://github.com/rust-lang/rust/pull/131077) lands. - // - // Note that `rust.debug = true` currently implies `rust.debug-assertions = true`! - // - // This relies also on the fact that the global default for `download-rustc` will be - // `false` if it's not explicitly set. - let debug_assertions_requested = matches!(rustc_debug_assertions_toml, Some(true)) - || (matches!(debug_toml, Some(true)) - && !matches!(rustc_debug_assertions_toml, Some(false))); - - if debug_assertions_requested - && let Some(ref opt) = download_rustc - && opt.is_string_or_true() - { - eprintln!( - "WARN: currently no CI rustc builds have rustc debug assertions \ - enabled. Please either set `rust.debug-assertions` to `false` if you \ - want to use download CI rustc or set `rust.download-rustc` to `false`." - ); - } - - self.download_rustc_commit = self.download_ci_rustc_commit( - download_rustc, - debug_assertions_requested, - self.llvm_assertions, - ); - - debug = debug_toml; - rustc_debug_assertions = rustc_debug_assertions_toml; - std_debug_assertions = std_debug_assertions_toml; - tools_debug_assertions = tools_debug_assertions_toml; - overflow_checks = overflow_checks_toml; - overflow_checks_std = overflow_checks_std_toml; - debug_logging = debug_logging_toml; - debuginfo_level = debuginfo_level_toml; - debuginfo_level_rustc = debuginfo_level_rustc_toml; - debuginfo_level_std = debuginfo_level_std_toml; - debuginfo_level_tools = debuginfo_level_tools_toml; - debuginfo_level_tests = debuginfo_level_tests_toml; - lld_enabled = lld_enabled_toml; - std_features = std_features_toml; - - if optimize_toml.as_ref().is_some_and(|v| matches!(v, RustOptimize::Bool(false))) { - eprintln!( - "WARNING: setting `optimize` to `false` is known to cause errors and \ - should be considered unsupported. Refer to `bootstrap.example.toml` \ - for more details." - ); - } - - optimize = optimize_toml; - self.rust_new_symbol_mangling = new_symbol_mangling; - set(&mut self.rust_optimize_tests, optimize_tests); - set(&mut self.codegen_tests, codegen_tests); - set(&mut self.rust_rpath, rpath); - set(&mut self.rust_strip, strip); - set(&mut self.rust_frame_pointers, frame_pointers); - self.rust_stack_protector = stack_protector; - set(&mut self.jemalloc, jemalloc); - set(&mut self.test_compare_mode, test_compare_mode); - set(&mut self.backtrace, backtrace); - set(&mut self.rust_dist_src, dist_src); - set(&mut self.verbose_tests, verbose_tests); - // in the case "false" is set explicitly, do not overwrite the command line args - if let Some(true) = incremental { - self.incremental = true; - } - set(&mut self.lld_mode, lld_mode); - set(&mut self.llvm_bitcode_linker_enabled, llvm_bitcode_linker); - - self.rust_randomize_layout = randomize_layout.unwrap_or_default(); - self.llvm_tools_enabled = llvm_tools.unwrap_or(true); - - self.llvm_enzyme = self.channel == "dev" || self.channel == "nightly"; - self.rustc_default_linker = default_linker; - self.musl_root = musl_root.map(PathBuf::from); - self.save_toolstates = save_toolstates.map(PathBuf::from); - set( - &mut self.deny_warnings, - match warnings { - Warnings::Deny => Some(true), - Warnings::Warn => Some(false), - Warnings::Default => deny_warnings, - }, - ); - set(&mut self.backtrace_on_ice, backtrace_on_ice); - set(&mut self.rust_verify_llvm_ir, verify_llvm_ir); - self.rust_thin_lto_import_instr_limit = thin_lto_import_instr_limit; - set(&mut self.rust_remap_debuginfo, remap_debuginfo); - set(&mut self.control_flow_guard, control_flow_guard); - set(&mut self.ehcont_guard, ehcont_guard); - self.llvm_libunwind_default = - llvm_libunwind.map(|v| v.parse().expect("failed to parse rust.llvm-libunwind")); - set( - &mut self.rust_codegen_backends, - codegen_backends.map(|backends| parse_codegen_backends(backends, "rust")), - ); - - self.rust_codegen_units = codegen_units.map(threads_from_config); - self.rust_codegen_units_std = codegen_units_std.map(threads_from_config); - - if self.rust_profile_use.is_none() { - self.rust_profile_use = profile_use; - } - - if self.rust_profile_generate.is_none() { - self.rust_profile_generate = profile_generate; - } - - self.rust_lto = - lto.as_deref().map(|value| RustcLto::from_str(value).unwrap()).unwrap_or_default(); - self.rust_validate_mir_opts = validate_mir_opts; - } - - self.rust_optimize = optimize.unwrap_or(RustOptimize::Bool(true)); - - // We make `x86_64-unknown-linux-gnu` use the self-contained linker by default, so we will - // build our internal lld and use it as the default linker, by setting the `rust.lld` config - // to true by default: - // - on the `x86_64-unknown-linux-gnu` target - // - when building our in-tree llvm (i.e. the target has not set an `llvm-config`), so that - // we're also able to build the corresponding lld - // - or when using an external llvm that's downloaded from CI, which also contains our prebuilt - // lld - // - otherwise, we'd be using an external llvm, and lld would not necessarily available and - // thus, disabled - // - similarly, lld will not be built nor used by default when explicitly asked not to, e.g. - // when the config sets `rust.lld = false` - if default_lld_opt_in_targets().contains(&self.host_target.triple.to_string()) - && self.hosts == [self.host_target] - { - let no_llvm_config = self - .target_config - .get(&self.host_target) - .is_none_or(|target_config| target_config.llvm_config.is_none()); - let enable_lld = self.llvm_from_ci || no_llvm_config; - // Prefer the config setting in case an explicit opt-out is needed. - self.lld_enabled = lld_enabled.unwrap_or(enable_lld); - } else { - set(&mut self.lld_enabled, lld_enabled); - } - - let default_std_features = BTreeSet::from([String::from("panic-unwind")]); - self.rust_std_features = std_features.unwrap_or(default_std_features); - - let default = debug == Some(true); - self.rustc_debug_assertions = rustc_debug_assertions.unwrap_or(default); - self.std_debug_assertions = std_debug_assertions.unwrap_or(self.rustc_debug_assertions); - self.tools_debug_assertions = tools_debug_assertions.unwrap_or(self.rustc_debug_assertions); - self.rust_overflow_checks = overflow_checks.unwrap_or(default); - self.rust_overflow_checks_std = overflow_checks_std.unwrap_or(self.rust_overflow_checks); - - self.rust_debug_logging = debug_logging.unwrap_or(self.rustc_debug_assertions); - - let with_defaults = |debuginfo_level_specific: Option<_>| { - debuginfo_level_specific.or(debuginfo_level).unwrap_or(if debug == Some(true) { - DebuginfoLevel::Limited - } else { - DebuginfoLevel::None - }) - }; - self.rust_debuginfo_level_rustc = with_defaults(debuginfo_level_rustc); - self.rust_debuginfo_level_std = with_defaults(debuginfo_level_std); - self.rust_debuginfo_level_tools = with_defaults(debuginfo_level_tools); - self.rust_debuginfo_level_tests = debuginfo_level_tests.unwrap_or(DebuginfoLevel::None); - } -} diff --git a/src/bootstrap/src/core/config/toml/target.rs b/src/bootstrap/src/core/config/toml/target.rs index 9dedadff3a1..2c06fd083a8 100644 --- a/src/bootstrap/src/core/config/toml/target.rs +++ b/src/bootstrap/src/core/config/toml/target.rs @@ -7,18 +7,12 @@ //! * [`TomlTarget`]: This struct directly mirrors the `[target.<triple>]` sections in your //! `bootstrap.toml`. It's used for deserializing raw TOML data for a specific target. //! * [`Target`]: This struct represents the processed and validated configuration for a -//! build target, which is is stored in the main [`Config`] structure. -//! * [`Config::apply_target_config`]: This method processes the `TomlTarget` data and -//! applies it to the global [`Config`], ensuring proper path resolution, validation, -//! and integration with other build settings. - -use std::collections::HashMap; +//! build target, which is is stored in the main `Config` structure. use serde::{Deserialize, Deserializer}; -use crate::core::config::toml::rust::parse_codegen_backends; use crate::core::config::{LlvmLibunwind, Merge, ReplaceOpt, SplitDebuginfo, StringOrBool}; -use crate::{CodegenBackendKind, Config, HashSet, PathBuf, TargetSelection, define_config, exit}; +use crate::{CodegenBackendKind, HashSet, PathBuf, define_config, exit}; define_config! { /// TOML representation of how each build target is configured. @@ -93,68 +87,3 @@ impl Target { target } } - -impl Config { - pub fn apply_target_config(&mut self, toml_target: Option<HashMap<String, TomlTarget>>) { - if let Some(t) = toml_target { - for (triple, cfg) in t { - let mut target = Target::from_triple(&triple); - - if let Some(ref s) = cfg.llvm_config { - if self.download_rustc_commit.is_some() && triple == *self.host_target.triple { - panic!( - "setting llvm_config for the host is incompatible with download-rustc" - ); - } - target.llvm_config = Some(self.src.join(s)); - } - if let Some(patches) = cfg.llvm_has_rust_patches { - assert!( - self.submodules == Some(false) || cfg.llvm_config.is_some(), - "use of `llvm-has-rust-patches` is restricted to cases where either submodules are disabled or llvm-config been provided" - ); - target.llvm_has_rust_patches = Some(patches); - } - if let Some(ref s) = cfg.llvm_filecheck { - target.llvm_filecheck = Some(self.src.join(s)); - } - target.llvm_libunwind = cfg.llvm_libunwind.as_ref().map(|v| { - v.parse().unwrap_or_else(|_| { - panic!("failed to parse target.{triple}.llvm-libunwind") - }) - }); - if let Some(s) = cfg.no_std { - target.no_std = s; - } - target.cc = cfg.cc.map(PathBuf::from); - target.cxx = cfg.cxx.map(PathBuf::from); - target.ar = cfg.ar.map(PathBuf::from); - target.ranlib = cfg.ranlib.map(PathBuf::from); - target.linker = cfg.linker.map(PathBuf::from); - target.crt_static = cfg.crt_static; - target.musl_root = cfg.musl_root.map(PathBuf::from); - target.musl_libdir = cfg.musl_libdir.map(PathBuf::from); - target.wasi_root = cfg.wasi_root.map(PathBuf::from); - target.qemu_rootfs = cfg.qemu_rootfs.map(PathBuf::from); - target.runner = cfg.runner; - target.sanitizers = cfg.sanitizers; - target.profiler = cfg.profiler; - target.rpath = cfg.rpath; - target.optimized_compiler_builtins = cfg.optimized_compiler_builtins; - target.jemalloc = cfg.jemalloc; - if let Some(backends) = cfg.codegen_backends { - target.codegen_backends = - Some(parse_codegen_backends(backends, &format!("target.{triple}"))) - } - - target.split_debuginfo = cfg.split_debuginfo.as_ref().map(|v| { - v.parse().unwrap_or_else(|_| { - panic!("invalid value for target.{triple}.split-debuginfo") - }) - }); - - self.target_config.insert(TargetSelection::from_user(&triple), target); - } - } - } -} diff --git a/src/bootstrap/src/lib.rs b/src/bootstrap/src/lib.rs index 42192f1d721..4abf386e5de 100644 --- a/src/bootstrap/src/lib.rs +++ b/src/bootstrap/src/lib.rs @@ -517,7 +517,7 @@ impl Build { local_rebuild: config.local_rebuild, fail_fast: config.cmd.fail_fast(), doc_tests: config.cmd.doc_tests(), - verbosity: config.verbose, + verbosity: config.exec_ctx.verbosity as usize, host_target: config.host_target, hosts: config.hosts.clone(), diff --git a/src/bootstrap/src/utils/exec.rs b/src/bootstrap/src/utils/exec.rs index 209ff393973..7527dff9cd8 100644 --- a/src/bootstrap/src/utils/exec.rs +++ b/src/bootstrap/src/utils/exec.rs @@ -550,7 +550,7 @@ impl Default for CommandOutput { #[derive(Clone, Default)] pub struct ExecutionContext { dry_run: DryRun, - verbose: u8, + pub verbosity: u8, pub fail_fast: bool, delayed_failures: Arc<Mutex<Vec<String>>>, command_cache: Arc<CommandCache>, @@ -603,8 +603,8 @@ impl CommandCache { } impl ExecutionContext { - pub fn new() -> Self { - ExecutionContext::default() + pub fn new(verbosity: u8, fail_fast: bool) -> Self { + Self { verbosity, fail_fast, ..Default::default() } } pub fn dry_run(&self) -> bool { @@ -629,7 +629,7 @@ impl ExecutionContext { } pub fn is_verbose(&self) -> bool { - self.verbose > 0 + self.verbosity > 0 } pub fn fail_fast(&self) -> bool { @@ -640,8 +640,8 @@ impl ExecutionContext { self.dry_run = value; } - pub fn set_verbose(&mut self, value: u8) { - self.verbose = value; + pub fn set_verbosity(&mut self, value: u8) { + self.verbosity = value; } pub fn set_fail_fast(&mut self, value: bool) { diff --git a/src/bootstrap/src/utils/helpers.rs b/src/bootstrap/src/utils/helpers.rs index eb00ed566c2..451482717b6 100644 --- a/src/bootstrap/src/utils/helpers.rs +++ b/src/bootstrap/src/utils/helpers.rs @@ -404,9 +404,8 @@ pub fn linker_args( builder: &Builder<'_>, target: TargetSelection, lld_threads: LldThreads, - stage: u32, ) -> Vec<String> { - let mut args = linker_flags(builder, target, lld_threads, stage); + let mut args = linker_flags(builder, target, lld_threads); if let Some(linker) = builder.linker(target) { args.push(format!("-Clinker={}", linker.display())); @@ -421,29 +420,16 @@ pub fn linker_flags( builder: &Builder<'_>, target: TargetSelection, lld_threads: LldThreads, - stage: u32, ) -> Vec<String> { let mut args = vec![]; if !builder.is_lld_direct_linker(target) && builder.config.lld_mode.is_used() { match builder.config.lld_mode { LldMode::External => { - // cfg(bootstrap) - remove the stage 0 check after updating the bootstrap compiler: - // `-Clinker-features` has been stabilized. - if stage == 0 { - args.push("-Zlinker-features=+lld".to_string()); - } else { - args.push("-Clinker-features=+lld".to_string()); - } + args.push("-Clinker-features=+lld".to_string()); args.push("-Zunstable-options".to_string()); } LldMode::SelfContained => { - // cfg(bootstrap) - remove the stage 0 check after updating the bootstrap compiler: - // `-Clinker-features` has been stabilized. - if stage == 0 { - args.push("-Zlinker-features=+lld".to_string()); - } else { - args.push("-Clinker-features=+lld".to_string()); - } + args.push("-Clinker-features=+lld".to_string()); args.push("-Clink-self-contained=+linker".to_string()); args.push("-Zunstable-options".to_string()); } @@ -465,9 +451,8 @@ pub fn add_rustdoc_cargo_linker_args( builder: &Builder<'_>, target: TargetSelection, lld_threads: LldThreads, - stage: u32, ) { - let args = linker_args(builder, target, lld_threads, stage); + let args = linker_args(builder, target, lld_threads); let mut flags = cmd .get_envs() .find_map(|(k, v)| if k == OsStr::new("RUSTDOCFLAGS") { v } else { None }) diff --git a/src/doc/book b/src/doc/book -Subproject b2d1a0821e12a676b496d61891b8e3d374a8e83 +Subproject 3e9dc46aa563ca0c53ec826c41b05f10c591592 diff --git a/src/doc/reference b/src/doc/reference -Subproject 1f45bd41fa6c17b7c048ed6bfe5f168c4311206 +Subproject 1be151c051a082b542548c62cafbcb055fa8944 diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example -Subproject e386be5f44af711854207c11fdd61bb576270b0 +Subproject bd1279cdc9865bfff605e741fb76a0b2f07314a diff --git a/src/doc/rustc-dev-guide/rust-version b/src/doc/rustc-dev-guide/rust-version index e9f1626f1fd..6ec700b9b4d 100644 --- a/src/doc/rustc-dev-guide/rust-version +++ b/src/doc/rustc-dev-guide/rust-version @@ -1 +1 @@ -383b9c447b61641e1f1a3850253944a897a60827 +6bcdcc73bd11568fd85f5a38b58e1eda054ad1cd diff --git a/src/doc/rustc-dev-guide/src/offload/installation.md b/src/doc/rustc-dev-guide/src/offload/installation.md index 1e792de3c8c..b376e962ff6 100644 --- a/src/doc/rustc-dev-guide/src/offload/installation.md +++ b/src/doc/rustc-dev-guide/src/offload/installation.md @@ -8,7 +8,7 @@ First you need to clone and configure the Rust repository: ```bash git clone git@github.com:rust-lang/rust cd rust -./configure --enable-llvm-link-shared --release-channel=nightly --enable-llvm-assertions --enable-offload --enable-enzyme --enable-clang --enable-lld --enable-option-checking --enable-ninja --disable-docs +./configure --enable-llvm-link-shared --release-channel=nightly --enable-llvm-assertions --enable-llvm-offload --enable-llvm-enzyme --enable-clang --enable-lld --enable-option-checking --enable-ninja --disable-docs ``` Afterwards you can build rustc using: diff --git a/src/doc/rustc-dev-guide/src/overview.md b/src/doc/rustc-dev-guide/src/overview.md index 12b76828b5c..378d8c4453f 100644 --- a/src/doc/rustc-dev-guide/src/overview.md +++ b/src/doc/rustc-dev-guide/src/overview.md @@ -321,6 +321,10 @@ the name `'tcx`, which means that something is tied to the lifetime of the [`TyCtxt`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/struct.TyCtxt.html +For more information about queries in the compiler, see [the queries chapter][queries]. + +[queries]: ./query.md + ### `ty::Ty` Types are really important in Rust, and they form the core of a lot of compiler diff --git a/src/doc/rustc-dev-guide/src/stability.md b/src/doc/rustc-dev-guide/src/stability.md index d0cee54adb6..c26d34273d7 100644 --- a/src/doc/rustc-dev-guide/src/stability.md +++ b/src/doc/rustc-dev-guide/src/stability.md @@ -181,4 +181,7 @@ the `deprecated_in_future` lint is triggered which is default `allow`, but most of the standard library raises it to a warning with `#![warn(deprecated_in_future)]`. +## unstable_feature_bound +The `#[unstable_feature_bound(foo)]` attribute can be used together with `#[unstable]` attribute to mark an `impl` of stable type and stable trait as unstable. In std/core, an item annotated with `#[unstable_feature_bound(foo)]` can only be used by another item that is also annotated with `#[unstable_feature_bound(foo)]`. Outside of std/core, using an item with `#[unstable_feature_bound(foo)]` requires the feature to be enabled with `#![feature(foo)]` attribute on the crate. Currently, only `impl`s and free functions can be annotated with `#[unstable_feature_bound]`. + [blog]: https://www.ralfj.de/blog/2018/07/19/const.html diff --git a/src/doc/rustc-dev-guide/src/tests/running.md b/src/doc/rustc-dev-guide/src/tests/running.md index f6e313062cd..317b65f98cd 100644 --- a/src/doc/rustc-dev-guide/src/tests/running.md +++ b/src/doc/rustc-dev-guide/src/tests/running.md @@ -342,7 +342,6 @@ coordinate running tests (see [src/bootstrap/src/core/build_steps/test.rs]). > **TODO** > > - Is there any support for using an iOS emulator? -> - It's also unclear to me how the wasm or asm.js tests are run. [armhf-gnu]: https://github.com/rust-lang/rust/tree/master/src/ci/docker/host-x86_64/armhf-gnu/Dockerfile [QEMU]: https://www.qemu.org/ @@ -350,6 +349,28 @@ coordinate running tests (see [src/bootstrap/src/core/build_steps/test.rs]). [remote-test-server]: https://github.com/rust-lang/rust/tree/master/src/tools/remote-test-server [src/bootstrap/src/core/build_steps/test.rs]: https://github.com/rust-lang/rust/blob/master/src/bootstrap/src/core/build_steps/test.rs +## Testing tests on wasi (wasm32-wasip1) + +Some tests are specific to wasm targets. +To run theste tests, you have to pass `--target wasm32-wasip1` to `x test`. +Additionally, you need the wasi sdk. +Follow the install instructions from the [wasi sdk repository] to get a sysroot on your computer. +On the [wasm32-wasip1 target support page] a minimum version is specified that your sdk must be able to build. +Some cmake commands that take a while and give a lot of very concerning c++ warnings... +Then, in `bootstrap.toml`, point to the sysroot like so: + +``` +[target.wasm32-wasip1] +wasi-root = "<wasi-sdk location>/build/sysroot/install/share/wasi-sysroot" +``` + +In my case I git-cloned it next to my rust folder, so it was `../wasi-sdk/build/....` +Now, tests should just run, you don't have to set up anything else. + +[wasi sdk repository]: https://github.com/WebAssembly/wasi-sdk +[wasm32-wasip1 target support page]: https://github.com/rust-lang/rust/blob/master/src/doc/rustc/src/platform-support/wasm32-wasip1.md#building-the-target. + + ## Running rustc_codegen_gcc tests First thing to know is that it only supports linux x86_64 at the moment. We will diff --git a/src/doc/rustc/src/platform-support/nvptx64-nvidia-cuda.md b/src/doc/rustc/src/platform-support/nvptx64-nvidia-cuda.md index 106ec562bfc..36598982481 100644 --- a/src/doc/rustc/src/platform-support/nvptx64-nvidia-cuda.md +++ b/src/doc/rustc/src/platform-support/nvptx64-nvidia-cuda.md @@ -10,6 +10,46 @@ platform. [@RDambrosio016](https://github.com/RDambrosio016) [@kjetilkjeka](https://github.com/kjetilkjeka) +## Requirements + +This target is `no_std` and will typically be built with crate-type `cdylib` and `-C linker-flavor=llbc`, which generates PTX. +The necessary components for this workflow are: + +- `rustup toolchain add nightly` +- `rustup component add llvm-tools --toolchain nightly` +- `rustup component add llvm-bitcode-linker --toolchain nightly` + +There are two options for using the core library: + +- `rustup component add rust-src --toolchain nightly` and build using `-Z build-std=core`. +- `rustup target add nvptx64-nvidia-cuda --toolchain nightly` + +### Target and features + +It is generally necessary to specify the target, such as `-C target-cpu=sm_89`, because the default is very old. This implies two target features: `sm_89` and `ptx78` (and all preceding features within `sm_*` and `ptx*`). Rust will default to using the oldest PTX version that supports the target processor (see [this table](https://docs.nvidia.com/cuda/parallel-thread-execution/index.html#release-notes-ptx-release-history)), which maximizes driver compatibility. +One can use `-C target-feature=+ptx80` to choose a later PTX version without changing the target (the default in this case, `ptx78`, requires CUDA driver version 11.8, while `ptx80` would require driver version 12.0). +Later PTX versions may allow more efficient code generation. + +Although Rust follows LLVM in representing `ptx*` and `sm_*` as target features, they should be thought of as having crate granularity, set via (either via `-Ctarget-cpu` and optionally `-Ctarget-feature`). +While the compiler accepts `#[target_feature(enable = "ptx80", enable = "sm_89")]`, it is not supported, may not behave as intended, and may become erroneous in the future. + +## Building Rust kernels + +A `no_std` crate containing one or more functions with `extern "ptx-kernel"` can be compiled to PTX using a command like the following. + +```console +$ RUSTFLAGS='-Ctarget-cpu=sm_89' cargo +nightly rustc --target=nvptx64-nvidia-cuda -Zbuild-std=core --crate-type=cdylib -- -Clinker-flavor=llbc -Zunstable-options +``` + +Intrinsics in `core::arch::nvptx` may use `#[cfg(target_feature = "...")]`, thus it's necessary to use `-Zbuild-std=core` with appropriate `RUSTFLAGS`. The following components are needed for this workflow: + +```console +$ rustup component add rust-src --toolchain nightly +$ rustup component add llvm-tools --toolchain nightly +$ rustup component add llvm-bitcode-linker --toolchain nightly +``` + + <!-- FIXME: fill this out ## Requirements diff --git a/src/librustdoc/clean/types.rs b/src/librustdoc/clean/types.rs index 782311e593b..26b087feb16 100644 --- a/src/librustdoc/clean/types.rs +++ b/src/librustdoc/clean/types.rs @@ -480,10 +480,28 @@ impl Item { } } + /// If the item has doc comments from a reexport, returns the item id of that reexport, + /// otherwise returns returns the item id. + /// + /// This is used as a key for caching intra-doc link resolution, + /// to prevent two reexports of the same item from using the same cache. + pub(crate) fn item_or_reexport_id(&self) -> ItemId { + // added documentation on a reexport is always prepended. + self.attrs + .doc_strings + .first() + .map(|x| x.item_id) + .flatten() + .map(ItemId::from) + .unwrap_or(self.item_id) + } + pub(crate) fn links(&self, cx: &Context<'_>) -> Vec<RenderedLink> { use crate::html::format::{href, link_tooltip}; - let Some(links) = cx.cache().intra_doc_links.get(&self.item_id) else { return vec![] }; + let Some(links) = cx.cache().intra_doc_links.get(&self.item_or_reexport_id()) else { + return vec![]; + }; links .iter() .filter_map(|ItemLink { link: s, link_text, page_id: id, fragment }| { diff --git a/src/librustdoc/config.rs b/src/librustdoc/config.rs index fed4296fa22..c52c7236883 100644 --- a/src/librustdoc/config.rs +++ b/src/librustdoc/config.rs @@ -804,8 +804,7 @@ impl Options { let scrape_examples_options = ScrapeExamplesOptions::new(matches, dcx); let with_examples = matches.opt_strs("with-examples"); - let call_locations = - crate::scrape_examples::load_call_locations(with_examples, dcx, &mut loaded_paths); + let call_locations = crate::scrape_examples::load_call_locations(with_examples, dcx); let doctest_build_args = matches.opt_strs("doctest-build-arg"); let unstable_features = diff --git a/src/librustdoc/html/static/css/rustdoc.css b/src/librustdoc/html/static/css/rustdoc.css index 99b3da8b2cd..c48863b4681 100644 --- a/src/librustdoc/html/static/css/rustdoc.css +++ b/src/librustdoc/html/static/css/rustdoc.css @@ -1838,6 +1838,10 @@ instead, we check that it's not a "finger" cursor. border-right: 3px solid var(--target-border-color); } +a.tooltip { + font-family: var(--font-family); +} + .code-header a.tooltip { color: inherit; margin-right: 15px; diff --git a/src/librustdoc/passes/collect_intra_doc_links.rs b/src/librustdoc/passes/collect_intra_doc_links.rs index c9fa3a4837f..bcb676cd1f1 100644 --- a/src/librustdoc/passes/collect_intra_doc_links.rs +++ b/src/librustdoc/passes/collect_intra_doc_links.rs @@ -1082,7 +1082,12 @@ impl LinkCollector<'_, '_> { for md_link in preprocessed_markdown_links(&doc) { let link = self.resolve_link(&doc, item, item_id, module_id, &md_link); if let Some(link) = link { - self.cx.cache.intra_doc_links.entry(item.item_id).or_default().insert(link); + self.cx + .cache + .intra_doc_links + .entry(item.item_or_reexport_id()) + .or_default() + .insert(link); } } } diff --git a/src/librustdoc/scrape_examples.rs b/src/librustdoc/scrape_examples.rs index 4d29c74e1eb..9f71d6ae789 100644 --- a/src/librustdoc/scrape_examples.rs +++ b/src/librustdoc/scrape_examples.rs @@ -333,11 +333,14 @@ pub(crate) fn run( pub(crate) fn load_call_locations( with_examples: Vec<String>, dcx: DiagCtxtHandle<'_>, - loaded_paths: &mut Vec<PathBuf>, ) -> AllCallLocations { let mut all_calls: AllCallLocations = FxIndexMap::default(); for path in with_examples { - loaded_paths.push(path.clone().into()); + // FIXME: Figure out why this line is causing this feature to crash in specific contexts. + // Full issue backlog is available here: <https://github.com/rust-lang/rust/pull/144600>. + // + // Can be checked with `tests/run-make/rustdoc-scrape-examples-paths`. + // loaded_paths.push(path.clone().into()); let bytes = match fs::read(&path) { Ok(bytes) => bytes, Err(e) => dcx.fatal(format!("failed to load examples: {e}")), diff --git a/src/stage0 b/src/stage0 index 3313edf329c..73bf5ba4b78 100644 --- a/src/stage0 +++ b/src/stage0 @@ -13,486 +13,506 @@ nightly_branch=master # All changes below this comment will be overridden the next time the # tool is executed. -compiler_date=2025-06-24 +compiler_date=2025-08-05 compiler_version=beta -rustfmt_date=2025-06-24 +rustfmt_date=2025-08-06 rustfmt_version=nightly -dist/2025-06-24/rustc-beta-aarch64-apple-darwin.tar.gz=d52ba1003d317f779490731ac66bcf4ebeda0e56648ac35373c6f7385515c06d -dist/2025-06-24/rustc-beta-aarch64-apple-darwin.tar.xz=1d4ab402eded5cfe91040f3af5128448cc4b57ceb53b82571bde8a86f42681df -dist/2025-06-24/rustc-beta-aarch64-pc-windows-msvc.tar.gz=aa82360f0428aa3c918c9fb1b0f41752655aae5249f5795d34b1a4737362cf8d 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+dist/2025-08-06/rustc-nightly-x86_64-unknown-illumos.tar.xz=43da78e7dca1415ecd756ef13fd08a8358b8deedf406d18801f36e38843a704f +dist/2025-08-06/rustc-nightly-x86_64-unknown-linux-gnu.tar.gz=ef6381475d22aff666429754e25855e97a4dc39e8d508c02a0e353df58afcaba +dist/2025-08-06/rustc-nightly-x86_64-unknown-linux-gnu.tar.xz=238910ad25562d4f7fa6c83d92f9cad5ec3817191907958fa646251c9bcdb690 +dist/2025-08-06/rustc-nightly-x86_64-unknown-linux-musl.tar.gz=df2464c2f2c9233f2009ac73924e95b7dd395c8575874a3391fe2f3dfcfda327 +dist/2025-08-06/rustc-nightly-x86_64-unknown-linux-musl.tar.xz=99c5a9d7f0e7f9e3acde96bfd1d23a11100be81a3651e8267e6e0ffca6bc553d +dist/2025-08-06/rustc-nightly-x86_64-unknown-netbsd.tar.gz=705dd37d72d99694234af13a561dd9995a0e4c2bfd888aa451b666f49a7083a7 +dist/2025-08-06/rustc-nightly-x86_64-unknown-netbsd.tar.xz=0dc9551d63131336cd97b7bfca984970fc8e5c366b39e04a179673f7859f4c1e diff --git a/src/tools/clippy/.github/ISSUE_TEMPLATE/new_lint.yml b/src/tools/clippy/.github/ISSUE_TEMPLATE/new_lint.yml index 464740640e0..a8202f6378f 100644 --- a/src/tools/clippy/.github/ISSUE_TEMPLATE/new_lint.yml +++ b/src/tools/clippy/.github/ISSUE_TEMPLATE/new_lint.yml @@ -48,3 +48,24 @@ body: ``` validations: required: true + - type: textarea + id: comparison + attributes: + label: Comparison with existing lints + description: | + What makes this lint different from any existing lints that are similar, and how are those differences useful? + + You can [use this playground template to see what existing lints are triggered by the bad code][playground] + (make sure to use "Tools > Clippy" and not "Build"). + You can also look through the list of [rustc's allowed-by-default lints][allowed-by-default], + as those won't show up in the playground above. + + [allowed-by-default]: https://doc.rust-lang.org/rustc/lints/listing/allowed-by-default.html + + [playground]: https://play.rust-lang.org/?version=nightly&mode=debug&edition=2024&code=%23%21%5Bwarn%28clippy%3A%3Apedantic%29%5D%0A%23%21%5Bwarn%28clippy%3A%3Anursery%29%5D%0A%23%21%5Bwarn%28clippy%3A%3Arestriction%29%5D%0A%23%21%5Bwarn%28clippy%3A%3Aall%29%5D%0A%23%21%5Ballow%28clippy%3A%3Ablanket_clippy_restriction_lints%2C+reason+%3D+%22testing+to+see+if+any+restriction+lints+match+given+code%22%29%5D%0A%0A%2F%2F%21+Template+that+can+be+used+to+see+what+clippy+lints+a+given+piece+of+code+would+trigger + placeholder: Unlike `clippy::...`, the proposed lint would... + - type: textarea + id: context + attributes: + label: Additional Context + description: Any additional context that you believe may be relevant. diff --git a/src/tools/clippy/.github/driver.sh b/src/tools/clippy/.github/driver.sh index 5a81b411291..2874aaf2110 100755 --- a/src/tools/clippy/.github/driver.sh +++ b/src/tools/clippy/.github/driver.sh @@ -47,9 +47,9 @@ unset CARGO_MANIFEST_DIR # Run a lint and make sure it produces the expected output. It's also expected to exit with code 1 # FIXME: How to match the clippy invocation in compile-test.rs? -./target/debug/clippy-driver -Dwarnings -Aunused -Zui-testing --emit metadata --crate-type bin tests/ui/string_to_string.rs 2>string_to_string.stderr && exit 1 -sed -e "/= help: for/d" string_to_string.stderr > normalized.stderr -diff -u normalized.stderr tests/ui/string_to_string.stderr +./target/debug/clippy-driver -Dwarnings -Aunused -Zui-testing --emit metadata --crate-type bin tests/ui/char_lit_as_u8.rs 2>char_lit_as_u8.stderr && exit 1 +sed -e "/= help: for/d" char_lit_as_u8.stderr > normalized.stderr +diff -u normalized.stderr tests/ui/char_lit_as_u8.stderr # make sure "clippy-driver --rustc --arg" and "rustc --arg" behave the same SYSROOT=$(rustc --print sysroot) diff --git a/src/tools/clippy/CHANGELOG.md b/src/tools/clippy/CHANGELOG.md index a92fbdc767b..bc60b1c57f7 100644 --- a/src/tools/clippy/CHANGELOG.md +++ b/src/tools/clippy/CHANGELOG.md @@ -6,7 +6,105 @@ document. ## Unreleased / Beta / In Rust Nightly -[03a5b6b9...master](https://github.com/rust-lang/rust-clippy/compare/03a5b6b9...master) +[4ef75291...master](https://github.com/rust-lang/rust-clippy/compare/4ef75291...master) + +## Rust 1.89 + +Current stable, released 2025-08-07 + +[View all 137 merged pull requests](https://github.com/rust-lang/rust-clippy/pulls?q=merged%3A2025-05-01T16%3A52%3A57Z..2025-06-13T08%3A33%3A27Z+base%3Amaster) + +### New Lints + +* Added [`coerce_container_to_any`] to `nursery` [#14812](https://github.com/rust-lang/rust-clippy/pull/14812) +* Added [`ip_constant`] to `pedantic` [#14878](https://github.com/rust-lang/rust-clippy/pull/14878) +* Added [`infallible_try_from`] to `suspicious` [#14813](https://github.com/rust-lang/rust-clippy/pull/14813) +* Added [`doc_suspicious_footnotes`] to `suspicious` [#14708](https://github.com/rust-lang/rust-clippy/pull/14708) +* Added [`pointer_format`] to `restriction` [#14792](https://github.com/rust-lang/rust-clippy/pull/14792) +* Added [`useless_concat`] to `complexity` [#13829](https://github.com/rust-lang/rust-clippy/pull/13829) +* Added [`cloned_ref_to_slice_refs`] to `perf` [#14284](https://github.com/rust-lang/rust-clippy/pull/14284) +* Added [`confusing_method_to_numeric_cast`] to `suspicious` [#13979](https://github.com/rust-lang/rust-clippy/pull/13979) + +### Moves and Deprecations + +* Removed superseded lints: `transmute_float_to_int`, `transmute_int_to_char`, + `transmute_int_to_float`, `transmute_num_to_bytes` (now in rustc) + [#14703](https://github.com/rust-lang/rust-clippy/pull/14703) + +### Enhancements + +* [`module_name_repetitions`] added `allow_exact_repetitions` configuration option + [#14261](https://github.com/rust-lang/rust-clippy/pull/14261) +* [`missing_docs_in_private_items`] added `allow_unused` config for underscored fields + [#14453](https://github.com/rust-lang/rust-clippy/pull/14453) +* [`unnecessary_unwrap`] fixed being emitted twice in closure + [#14763](https://github.com/rust-lang/rust-clippy/pull/14763) +* [`needless_return`] lint span no longer wraps to previous line + [#14790](https://github.com/rust-lang/rust-clippy/pull/14790) +* [`trivial-copy-size-limit`] now defaults to `target_pointer_width` + [#13319](https://github.com/rust-lang/rust-clippy/pull/13319) +* [`integer_division`] fixed false negative for NonZero denominators + [#14664](https://github.com/rust-lang/rust-clippy/pull/14664) +* [`arbitrary_source_item_ordering`] no longer lints inside items with `#[repr]` attribute + [#14610](https://github.com/rust-lang/rust-clippy/pull/14610) +* [`excessive_precision`] no longer triggers on exponent with leading zeros + [#14824](https://github.com/rust-lang/rust-clippy/pull/14824) +* [`to_digit_is_some`] no longer lints in const contexts when MSRV is below 1.87 + [#14771](https://github.com/rust-lang/rust-clippy/pull/14771) + +### False Positive Fixes + +* [`std_instead_of_core`] fixed FP when part of the `use` cannot be replaced + [#15016](https://github.com/rust-lang/rust-clippy/pull/15016) +* [`unused_unit`] fixed FP for `Fn` bounds + [#14962](https://github.com/rust-lang/rust-clippy/pull/14962) +* [`unnecessary_debug_formatting`] fixed FP inside `Debug` impl + [#14955](https://github.com/rust-lang/rust-clippy/pull/14955) +* [`assign_op_pattern`] fixed FP on unstable const trait + [#14886](https://github.com/rust-lang/rust-clippy/pull/14886) +* [`useless_conversion`] fixed FP when using `.into_iter().any()` + [#14800](https://github.com/rust-lang/rust-clippy/pull/14800) +* [`collapsible_if`] fixed FP on block stmt before expr + [#14730](https://github.com/rust-lang/rust-clippy/pull/14730) +* [`manual_unwrap_or_default`] fixed FP on ref binding + [#14731](https://github.com/rust-lang/rust-clippy/pull/14731) +* [`unused_async`] fixed FP on default impl + [#14720](https://github.com/rust-lang/rust-clippy/pull/14720) +* [`manual_slice_fill`] fixed FP on `IndexMut` overload + [#14719](https://github.com/rust-lang/rust-clippy/pull/14719) +* [`unnecessary_to_owned`] fixed FP when map key is a reference + [#14834](https://github.com/rust-lang/rust-clippy/pull/14834) + +### ICE Fixes + +* [`mutable_key_type`] fixed ICE when infinitely associated generic types are used + [#14965](https://github.com/rust-lang/rust-clippy/pull/14965) +* [`zero_sized_map_values`] fixed ICE while computing type layout + [#14837](https://github.com/rust-lang/rust-clippy/pull/14837) +* [`useless_asref`] fixed ICE on trait method + [#14830](https://github.com/rust-lang/rust-clippy/pull/14830) +* [`manual_slice_size_calculation`] fixed ICE in suggestion and triggers in `const` context + [#14804](https://github.com/rust-lang/rust-clippy/pull/14804) +* [`missing_const_for_fn`]: fix ICE with some compilation options + [#14776](https://github.com/rust-lang/rust-clippy/pull/14776) + +### Documentation Improvements + +* [`manual_contains`] improved documentation wording + [#14917](https://github.com/rust-lang/rust-clippy/pull/14917) + +### Performance improvements + +* [`strlen_on_c_strings`] optimized by 99.75% (31M → 76k instructions) + [#15043](https://github.com/rust-lang/rust-clippy/pull/15043) +* Reduced documentation lints execution time by 85% (7.5% → 1% of total runtime) + [#14870](https://github.com/rust-lang/rust-clippy/pull/14870) +* [`unit_return_expecting_ord`] optimized to reduce binder instantiation from 95k to 10k calls + [#14905](https://github.com/rust-lang/rust-clippy/pull/14905) +* [`doc_markdown`] optimized by 50% + [#14693](https://github.com/rust-lang/rust-clippy/pull/14693) +* Refactor and speed up `cargo dev fmt` + [#14638](https://github.com/rust-lang/rust-clippy/pull/14638) ## Rust 1.88 @@ -6260,6 +6358,7 @@ Released 2018-09-13 [`pointers_in_nomem_asm_block`]: https://rust-lang.github.io/rust-clippy/master/index.html#pointers_in_nomem_asm_block [`positional_named_format_parameters`]: https://rust-lang.github.io/rust-clippy/master/index.html#positional_named_format_parameters [`possible_missing_comma`]: https://rust-lang.github.io/rust-clippy/master/index.html#possible_missing_comma +[`possible_missing_else`]: https://rust-lang.github.io/rust-clippy/master/index.html#possible_missing_else [`precedence`]: https://rust-lang.github.io/rust-clippy/master/index.html#precedence [`precedence_bits`]: https://rust-lang.github.io/rust-clippy/master/index.html#precedence_bits [`print_in_format_impl`]: https://rust-lang.github.io/rust-clippy/master/index.html#print_in_format_impl diff --git a/src/tools/clippy/CONTRIBUTING.md b/src/tools/clippy/CONTRIBUTING.md index 72ab08792d3..42ed624ec21 100644 --- a/src/tools/clippy/CONTRIBUTING.md +++ b/src/tools/clippy/CONTRIBUTING.md @@ -199,26 +199,34 @@ currently. Between writing new lints, fixing issues, reviewing pull requests and responding to issues there may not always be enough time to stay on top of it all. -Our highest priority is fixing [ICEs][I-ICE] and [bugs][C-bug], for example -an ICE in a popular crate that many other crates depend on. We don't -want Clippy to crash on your code and we want it to be as reliable as the -suggestions from Rust compiler errors. - -We have prioritization labels and a sync-blocker label, which are described below. -- [P-low][p-low]: Requires attention (fix/response/evaluation) by a team member but isn't urgent. -- [P-medium][p-medium]: Should be addressed by a team member until the next sync. -- [P-high][p-high]: Should be immediately addressed and will require an out-of-cycle sync or a backport. -- [L-sync-blocker][l-sync-blocker]: An issue that "blocks" a sync. -Or rather: before the sync this should be addressed, -e.g. by removing a lint again, so it doesn't hit beta/stable. +To find things to fix, go to the [tracking issue][tracking_issue], find an issue that you like, +and claim it with `@rustbot claim`. + +As a general metric and always taking into account your skill and knowledge level, you can use this guide: + +- 🟥 [ICEs][search_ice], these are compiler errors that causes Clippy to panic and crash. Usually involves high-level +debugging, sometimes interacting directly with the upstream compiler. Difficult to fix but a great challenge that +improves a lot developer workflows! + +- 🟧 [Suggestion causes bug][sugg_causes_bug], Clippy suggested code that changed logic in some silent way. +Unacceptable, as this may have disastrous consequences. Easier to fix than ICEs + +- 🟨 [Suggestion causes error][sugg_causes_error], Clippy suggested code snippet that caused a compiler error +when applied. We need to make sure that Clippy doesn't suggest using a variable twice at the same time or similar +easy-to-happen occurrences. + +- 🟩 [False positives][false_positive], a lint should not have fired, the easiest of them all, as this is "just" +identifying the root of a false positive and making an exception for those cases. + +Note that false negatives do not have priority unless the case is very clear, as they are a feature-request in a +trench coat. [triage]: https://forge.rust-lang.org/release/triage-procedure.html -[I-ICE]: https://github.com/rust-lang/rust-clippy/labels/I-ICE -[C-bug]: https://github.com/rust-lang/rust-clippy/labels/C-bug -[p-low]: https://github.com/rust-lang/rust-clippy/labels/P-low -[p-medium]: https://github.com/rust-lang/rust-clippy/labels/P-medium -[p-high]: https://github.com/rust-lang/rust-clippy/labels/P-high -[l-sync-blocker]: https://github.com/rust-lang/rust-clippy/labels/L-sync-blocker +[search_ice]: https://github.com/rust-lang/rust-clippy/issues?q=sort%3Aupdated-desc+state%3Aopen+label%3A%22I-ICE%22 +[sugg_causes_bug]: https://github.com/rust-lang/rust-clippy/issues?q=sort%3Aupdated-desc%20state%3Aopen%20label%3AI-suggestion-causes-bug +[sugg_causes_error]: https://github.com/rust-lang/rust-clippy/issues?q=sort%3Aupdated-desc%20state%3Aopen%20label%3AI-suggestion-causes-error%20 +[false_positive]: https://github.com/rust-lang/rust-clippy/issues?q=sort%3Aupdated-desc%20state%3Aopen%20label%3AI-false-positive +[tracking_issue]: https://github.com/rust-lang/rust-clippy/issues/15086 ## Contributions diff --git a/src/tools/clippy/Cargo.toml b/src/tools/clippy/Cargo.toml index f25f9ab54dd..daf1c98cdc9 100644 --- a/src/tools/clippy/Cargo.toml +++ b/src/tools/clippy/Cargo.toml @@ -1,6 +1,6 @@ [package] name = "clippy" -version = "0.1.90" +version = "0.1.91" description = "A bunch of helpful lints to avoid common pitfalls in Rust" repository = "https://github.com/rust-lang/rust-clippy" readme = "README.md" diff --git a/src/tools/clippy/book/src/lint_configuration.md b/src/tools/clippy/book/src/lint_configuration.md index 992ed2c6aaa..7f16f3a9810 100644 --- a/src/tools/clippy/book/src/lint_configuration.md +++ b/src/tools/clippy/book/src/lint_configuration.md @@ -555,7 +555,7 @@ default configuration of Clippy. By default, any configuration will replace the * `doc-valid-idents = ["ClipPy"]` would replace the default list with `["ClipPy"]`. * `doc-valid-idents = ["ClipPy", ".."]` would append `ClipPy` to the default list. -**Default Value:** `["KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "MHz", "GHz", "THz", "AccessKit", "CoAP", "CoreFoundation", "CoreGraphics", "CoreText", "DevOps", "Direct2D", "Direct3D", "DirectWrite", "DirectX", "ECMAScript", "GPLv2", "GPLv3", "GitHub", "GitLab", "IPv4", "IPv6", "ClojureScript", "CoffeeScript", "JavaScript", "PostScript", "PureScript", "TypeScript", "WebAssembly", "NaN", "NaNs", "OAuth", "GraphQL", "OCaml", "OpenAL", "OpenDNS", "OpenGL", "OpenMP", "OpenSSH", "OpenSSL", "OpenStreetMap", "OpenTelemetry", "OpenType", "WebGL", "WebGL2", "WebGPU", "WebRTC", "WebSocket", "WebTransport", "WebP", "OpenExr", "YCbCr", "sRGB", "TensorFlow", "TrueType", "iOS", "macOS", "FreeBSD", "NetBSD", "OpenBSD", "TeX", "LaTeX", "BibTeX", "BibLaTeX", "MinGW", "CamelCase"]` +**Default Value:** `["KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "MHz", "GHz", "THz", "AccessKit", "CoAP", "CoreFoundation", "CoreGraphics", "CoreText", "DevOps", "Direct2D", "Direct3D", "DirectWrite", "DirectX", "ECMAScript", "GPLv2", "GPLv3", "GitHub", "GitLab", "IPv4", "IPv6", "ClojureScript", "CoffeeScript", "JavaScript", "PostScript", "PureScript", "TypeScript", "WebAssembly", "NaN", "NaNs", "OAuth", "GraphQL", "OCaml", "OpenAL", "OpenDNS", "OpenGL", "OpenMP", "OpenSSH", "OpenSSL", "OpenStreetMap", "OpenTelemetry", "OpenType", "WebGL", "WebGL2", "WebGPU", "WebRTC", "WebSocket", "WebTransport", "WebP", "OpenExr", "YCbCr", "sRGB", "TensorFlow", "TrueType", "iOS", "macOS", "FreeBSD", "NetBSD", "OpenBSD", "NixOS", "TeX", "LaTeX", "BibTeX", "BibLaTeX", "MinGW", "CamelCase"]` --- **Affected lints:** diff --git a/src/tools/clippy/clippy_config/Cargo.toml b/src/tools/clippy/clippy_config/Cargo.toml index 858366c8a5c..6ad2cf0d0b1 100644 --- a/src/tools/clippy/clippy_config/Cargo.toml +++ b/src/tools/clippy/clippy_config/Cargo.toml @@ -1,6 +1,6 @@ [package] name = "clippy_config" -version = "0.1.90" +version = "0.1.91" edition = "2024" publish = false diff --git a/src/tools/clippy/clippy_config/src/conf.rs b/src/tools/clippy/clippy_config/src/conf.rs index 555f54bcfb8..8167d75583e 100644 --- a/src/tools/clippy/clippy_config/src/conf.rs +++ b/src/tools/clippy/clippy_config/src/conf.rs @@ -44,7 +44,7 @@ const DEFAULT_DOC_VALID_IDENTS: &[&str] = &[ "WebP", "OpenExr", "YCbCr", "sRGB", "TensorFlow", "TrueType", - "iOS", "macOS", "FreeBSD", "NetBSD", "OpenBSD", + "iOS", "macOS", "FreeBSD", "NetBSD", "OpenBSD", "NixOS", "TeX", "LaTeX", "BibTeX", "BibLaTeX", "MinGW", "CamelCase", diff --git a/src/tools/clippy/clippy_lints/Cargo.toml b/src/tools/clippy/clippy_lints/Cargo.toml index c03cc99b581..b9e6de79cc0 100644 --- a/src/tools/clippy/clippy_lints/Cargo.toml +++ b/src/tools/clippy/clippy_lints/Cargo.toml @@ -1,6 +1,6 @@ [package] name = "clippy_lints" -version = "0.1.90" +version = "0.1.91" description = "A bunch of helpful lints to avoid common pitfalls in Rust" repository = "https://github.com/rust-lang/rust-clippy" readme = "README.md" diff --git a/src/tools/clippy/clippy_lints/src/approx_const.rs b/src/tools/clippy/clippy_lints/src/approx_const.rs index ab47e309752..a3710ca5165 100644 --- a/src/tools/clippy/clippy_lints/src/approx_const.rs +++ b/src/tools/clippy/clippy_lints/src/approx_const.rs @@ -2,8 +2,7 @@ use clippy_config::Conf; use clippy_utils::diagnostics::span_lint_and_help; use clippy_utils::msrvs::{self, Msrv}; use rustc_ast::ast::{FloatTy, LitFloatType, LitKind}; -use rustc_hir::RustcVersion; -use rustc_hir::{HirId, Lit}; +use rustc_hir::{HirId, Lit, RustcVersion}; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::impl_lint_pass; use rustc_span::{Span, symbol}; diff --git a/src/tools/clippy/clippy_lints/src/attrs/duplicated_attributes.rs b/src/tools/clippy/clippy_lints/src/attrs/duplicated_attributes.rs index c2406bcfb64..c956738edf0 100644 --- a/src/tools/clippy/clippy_lints/src/attrs/duplicated_attributes.rs +++ b/src/tools/clippy/clippy_lints/src/attrs/duplicated_attributes.rs @@ -2,6 +2,7 @@ use super::DUPLICATED_ATTRIBUTES; use clippy_utils::diagnostics::span_lint_and_then; use itertools::Itertools; use rustc_ast::{Attribute, MetaItem}; +use rustc_ast_pretty::pprust::path_to_string; use rustc_data_structures::fx::FxHashMap; use rustc_lint::EarlyContext; use rustc_span::{Span, Symbol, sym}; @@ -35,31 +36,38 @@ fn check_duplicated_attr( if attr.span.from_expansion() { return; } - let Some(ident) = attr.ident() else { return }; - let name = ident.name; - if name == sym::doc || name == sym::cfg_attr_trace || name == sym::rustc_on_unimplemented || name == sym::reason { - // FIXME: Would be nice to handle `cfg_attr` as well. Only problem is to check that cfg - // conditions are the same. - // `#[rustc_on_unimplemented]` contains duplicated subattributes, that's expected. - return; - } - if let Some(direct_parent) = parent.last() - && *direct_parent == sym::cfg_trace - && [sym::all, sym::not, sym::any].contains(&name) - { - // FIXME: We don't correctly check `cfg`s for now, so if it's more complex than just a one - // level `cfg`, we leave. - return; + let attr_path = if let Some(ident) = attr.ident() { + ident.name + } else { + Symbol::intern(&path_to_string(&attr.path)) + }; + if let Some(ident) = attr.ident() { + let name = ident.name; + if name == sym::doc || name == sym::cfg_attr_trace || name == sym::rustc_on_unimplemented || name == sym::reason + { + // FIXME: Would be nice to handle `cfg_attr` as well. Only problem is to check that cfg + // conditions are the same. + // `#[rustc_on_unimplemented]` contains duplicated subattributes, that's expected. + return; + } + if let Some(direct_parent) = parent.last() + && *direct_parent == sym::cfg_trace + && [sym::all, sym::not, sym::any].contains(&name) + { + // FIXME: We don't correctly check `cfg`s for now, so if it's more complex than just a one + // level `cfg`, we leave. + return; + } } if let Some(value) = attr.value_str() { emit_if_duplicated( cx, attr, attr_paths, - format!("{}:{name}={value}", parent.iter().join(":")), + format!("{}:{attr_path}={value}", parent.iter().join(":")), ); } else if let Some(sub_attrs) = attr.meta_item_list() { - parent.push(name); + parent.push(attr_path); for sub_attr in sub_attrs { if let Some(meta) = sub_attr.meta_item() { check_duplicated_attr(cx, meta, attr_paths, parent); @@ -67,7 +75,7 @@ fn check_duplicated_attr( } parent.pop(); } else { - emit_if_duplicated(cx, attr, attr_paths, format!("{}:{name}", parent.iter().join(":"))); + emit_if_duplicated(cx, attr, attr_paths, format!("{}:{attr_path}", parent.iter().join(":"))); } } diff --git a/src/tools/clippy/clippy_lints/src/attrs/inline_always.rs b/src/tools/clippy/clippy_lints/src/attrs/inline_always.rs index 409bb698665..fb86ae8da9d 100644 --- a/src/tools/clippy/clippy_lints/src/attrs/inline_always.rs +++ b/src/tools/clippy/clippy_lints/src/attrs/inline_always.rs @@ -1,8 +1,7 @@ use super::INLINE_ALWAYS; use clippy_utils::diagnostics::span_lint; use rustc_hir::attrs::{AttributeKind, InlineAttr}; -use rustc_hir::find_attr; -use rustc_hir::Attribute; +use rustc_hir::{Attribute, find_attr}; use rustc_lint::LateContext; use rustc_span::Span; use rustc_span::symbol::Symbol; diff --git a/src/tools/clippy/clippy_lints/src/attrs/repr_attributes.rs b/src/tools/clippy/clippy_lints/src/attrs/repr_attributes.rs index 4ece3ed44fd..8a530e8cff2 100644 --- a/src/tools/clippy/clippy_lints/src/attrs/repr_attributes.rs +++ b/src/tools/clippy/clippy_lints/src/attrs/repr_attributes.rs @@ -1,6 +1,5 @@ use rustc_hir::attrs::{AttributeKind, ReprAttr}; -use rustc_hir::find_attr; -use rustc_hir::Attribute; +use rustc_hir::{Attribute, find_attr}; use rustc_lint::LateContext; use rustc_span::Span; diff --git a/src/tools/clippy/clippy_lints/src/blocks_in_conditions.rs b/src/tools/clippy/clippy_lints/src/blocks_in_conditions.rs index 011962846cb..10fe1a4174f 100644 --- a/src/tools/clippy/clippy_lints/src/blocks_in_conditions.rs +++ b/src/tools/clippy/clippy_lints/src/blocks_in_conditions.rs @@ -100,8 +100,7 @@ impl<'tcx> LateLintPass<'tcx> for BlocksInConditions { cond.span, BRACED_EXPR_MESSAGE, "try", - snippet_block_with_applicability(cx, ex.span, "..", Some(expr.span), &mut applicability) - .to_string(), + snippet_block_with_applicability(cx, ex.span, "..", Some(expr.span), &mut applicability), applicability, ); } diff --git a/src/tools/clippy/clippy_lints/src/booleans.rs b/src/tools/clippy/clippy_lints/src/booleans.rs index ba1135d745a..64aeb27df69 100644 --- a/src/tools/clippy/clippy_lints/src/booleans.rs +++ b/src/tools/clippy/clippy_lints/src/booleans.rs @@ -7,10 +7,9 @@ use clippy_utils::sugg::Sugg; use clippy_utils::ty::{implements_trait, is_type_diagnostic_item}; use clippy_utils::{eq_expr_value, sym}; use rustc_ast::ast::LitKind; -use rustc_hir::RustcVersion; use rustc_errors::Applicability; use rustc_hir::intravisit::{FnKind, Visitor, walk_expr}; -use rustc_hir::{BinOpKind, Body, Expr, ExprKind, FnDecl, UnOp}; +use rustc_hir::{BinOpKind, Body, Expr, ExprKind, FnDecl, RustcVersion, UnOp}; use rustc_lint::{LateContext, LateLintPass, Level}; use rustc_session::impl_lint_pass; use rustc_span::def_id::LocalDefId; diff --git a/src/tools/clippy/clippy_lints/src/casts/cast_lossless.rs b/src/tools/clippy/clippy_lints/src/casts/cast_lossless.rs index c1d6cec1b62..c924fba6b5c 100644 --- a/src/tools/clippy/clippy_lints/src/casts/cast_lossless.rs +++ b/src/tools/clippy/clippy_lints/src/casts/cast_lossless.rs @@ -25,6 +25,12 @@ pub(super) fn check( return; } + // If the `as` is from a macro and the casting type is from macro input, whether it is lossless is + // dependent on the input + if expr.span.from_expansion() && !cast_to_hir.span.eq_ctxt(expr.span) { + return; + } + span_lint_and_then( cx, CAST_LOSSLESS, diff --git a/src/tools/clippy/clippy_lints/src/casts/mod.rs b/src/tools/clippy/clippy_lints/src/casts/mod.rs index 37accff5eaa..dcc439a272c 100644 --- a/src/tools/clippy/clippy_lints/src/casts/mod.rs +++ b/src/tools/clippy/clippy_lints/src/casts/mod.rs @@ -807,7 +807,7 @@ declare_clippy_lint! { /// ```no_run /// let _ = u16::MAX as usize; /// ``` - #[clippy::version = "1.86.0"] + #[clippy::version = "1.89.0"] pub CONFUSING_METHOD_TO_NUMERIC_CAST, suspicious, "casting a primitive method pointer to any integer type" diff --git a/src/tools/clippy/clippy_lints/src/cloned_ref_to_slice_refs.rs b/src/tools/clippy/clippy_lints/src/cloned_ref_to_slice_refs.rs index e33a8e0fb74..72ab292ee3c 100644 --- a/src/tools/clippy/clippy_lints/src/cloned_ref_to_slice_refs.rs +++ b/src/tools/clippy/clippy_lints/src/cloned_ref_to_slice_refs.rs @@ -37,7 +37,7 @@ declare_clippy_lint! { /// let data_ref = &data; /// take_slice(slice::from_ref(data_ref)); /// ``` - #[clippy::version = "1.87.0"] + #[clippy::version = "1.89.0"] pub CLONED_REF_TO_SLICE_REFS, perf, "cloning a reference for slice references" diff --git a/src/tools/clippy/clippy_lints/src/coerce_container_to_any.rs b/src/tools/clippy/clippy_lints/src/coerce_container_to_any.rs index 6217fc4c897..2e3acb7748e 100644 --- a/src/tools/clippy/clippy_lints/src/coerce_container_to_any.rs +++ b/src/tools/clippy/clippy_lints/src/coerce_container_to_any.rs @@ -41,7 +41,7 @@ declare_clippy_lint! { /// // Succeeds since we have a &dyn Any to the inner u32! /// assert_eq!(dyn_any_of_u32.downcast_ref::<u32>(), Some(&0u32)); /// ``` - #[clippy::version = "1.88.0"] + #[clippy::version = "1.89.0"] pub COERCE_CONTAINER_TO_ANY, nursery, "coercing to `&dyn Any` when dereferencing could produce a `dyn Any` without coercion is usually not intended" diff --git a/src/tools/clippy/clippy_lints/src/cognitive_complexity.rs b/src/tools/clippy/clippy_lints/src/cognitive_complexity.rs index 518535e8c8b..8f1c0296524 100644 --- a/src/tools/clippy/clippy_lints/src/cognitive_complexity.rs +++ b/src/tools/clippy/clippy_lints/src/cognitive_complexity.rs @@ -35,7 +35,7 @@ declare_clippy_lint! { /// * [`too_many_lines`](https://rust-lang.github.io/rust-clippy/master/index.html#too_many_lines) #[clippy::version = "1.35.0"] pub COGNITIVE_COMPLEXITY, - nursery, + restriction, "functions that should be split up into multiple functions", @eval_always = true } diff --git a/src/tools/clippy/clippy_lints/src/collapsible_if.rs b/src/tools/clippy/clippy_lints/src/collapsible_if.rs index 1854d86c53b..e3103e2d301 100644 --- a/src/tools/clippy/clippy_lints/src/collapsible_if.rs +++ b/src/tools/clippy/clippy_lints/src/collapsible_if.rs @@ -136,6 +136,9 @@ impl CollapsibleIf { return; } + // Peel off any parentheses. + let (_, else_block_span, _) = peel_parens(cx.tcx.sess.source_map(), else_.span); + // Prevent "elseif" // Check that the "else" is followed by whitespace let requires_space = if let Some(c) = snippet(cx, up_to_else, "..").chars().last() { @@ -152,7 +155,7 @@ impl CollapsibleIf { if requires_space { " " } else { "" }, snippet_block_with_applicability( cx, - else_.span, + else_block_span, "..", Some(else_block.span), &mut applicability @@ -187,7 +190,8 @@ impl CollapsibleIf { .with_leading_whitespace(cx) .into_span() }; - let inner_if = inner.span.split_at(2).0; + let (paren_start, inner_if_span, paren_end) = peel_parens(cx.tcx.sess.source_map(), inner.span); + let inner_if = inner_if_span.split_at(2).0; let mut sugg = vec![ // Remove the outer then block `{` (then_open_bracket, String::new()), @@ -196,6 +200,17 @@ impl CollapsibleIf { // Replace inner `if` by `&&` (inner_if, String::from("&&")), ]; + + if !paren_start.is_empty() { + // Remove any leading parentheses '(' + sugg.push((paren_start, String::new())); + } + + if !paren_end.is_empty() { + // Remove any trailing parentheses ')' + sugg.push((paren_end, String::new())); + } + sugg.extend(parens_around(check)); sugg.extend(parens_around(check_inner)); @@ -285,3 +300,37 @@ fn span_extract_keyword(sm: &SourceMap, span: Span, keyword: &str) -> Option<Spa }) .next() } + +/// Peel the parentheses from an `if` expression, e.g. `((if true {} else {}))`. +fn peel_parens(sm: &SourceMap, mut span: Span) -> (Span, Span, Span) { + use crate::rustc_span::Pos; + + let start = span.shrink_to_lo(); + let end = span.shrink_to_hi(); + + let snippet = sm.span_to_snippet(span).unwrap(); + if let Some((trim_start, _, trim_end)) = peel_parens_str(&snippet) { + let mut data = span.data(); + data.lo = data.lo + BytePos::from_usize(trim_start); + data.hi = data.hi - BytePos::from_usize(trim_end); + span = data.span(); + } + + (start.with_hi(span.lo()), span, end.with_lo(span.hi())) +} + +fn peel_parens_str(snippet: &str) -> Option<(usize, &str, usize)> { + let trimmed = snippet.trim(); + if !(trimmed.starts_with('(') && trimmed.ends_with(')')) { + return None; + } + + let trim_start = (snippet.len() - snippet.trim_start().len()) + 1; + let trim_end = (snippet.len() - snippet.trim_end().len()) + 1; + + let inner = snippet.get(trim_start..snippet.len() - trim_end)?; + Some(match peel_parens_str(inner) { + None => (trim_start, inner, trim_end), + Some((start, inner, end)) => (trim_start + start, inner, trim_end + end), + }) +} diff --git a/src/tools/clippy/clippy_lints/src/copies.rs b/src/tools/clippy/clippy_lints/src/copies.rs index 4bd34527d21..4fdb497950f 100644 --- a/src/tools/clippy/clippy_lints/src/copies.rs +++ b/src/tools/clippy/clippy_lints/src/copies.rs @@ -235,9 +235,9 @@ fn lint_branches_sharing_code<'tcx>( let cond_snippet = reindent_multiline(&snippet(cx, cond_span, "_"), false, None); let cond_indent = indent_of(cx, cond_span); let moved_snippet = reindent_multiline(&snippet(cx, span, "_"), true, None); - let suggestion = moved_snippet.to_string() + "\n" + &cond_snippet + "{"; + let suggestion = moved_snippet + "\n" + &cond_snippet + "{"; let suggestion = reindent_multiline(&suggestion, true, cond_indent); - (replace_span, suggestion.to_string()) + (replace_span, suggestion) }); let end_suggestion = res.end_span(last_block, sm).map(|span| { let moved_snipped = reindent_multiline(&snippet(cx, span, "_"), true, None); @@ -253,7 +253,7 @@ fn lint_branches_sharing_code<'tcx>( .then_some(range.start - 4..range.end) }) .map_or(span, |range| range.with_ctxt(span.ctxt())); - (span, suggestion.to_string()) + (span, suggestion.clone()) }); let (span, msg, end_span) = match (&start_suggestion, &end_suggestion) { diff --git a/src/tools/clippy/clippy_lints/src/declared_lints.rs b/src/tools/clippy/clippy_lints/src/declared_lints.rs index c3f8e02b4c0..e1cb08e361c 100644 --- a/src/tools/clippy/clippy_lints/src/declared_lints.rs +++ b/src/tools/clippy/clippy_lints/src/declared_lints.rs @@ -178,6 +178,7 @@ pub static LINTS: &[&::declare_clippy_lint::LintInfo] = &[ crate::format_impl::RECURSIVE_FORMAT_IMPL_INFO, crate::format_push_string::FORMAT_PUSH_STRING_INFO, crate::formatting::POSSIBLE_MISSING_COMMA_INFO, + crate::formatting::POSSIBLE_MISSING_ELSE_INFO, crate::formatting::SUSPICIOUS_ASSIGNMENT_FORMATTING_INFO, crate::formatting::SUSPICIOUS_ELSE_FORMATTING_INFO, crate::formatting::SUSPICIOUS_UNARY_OP_FORMATTING_INFO, @@ -690,7 +691,6 @@ pub static LINTS: &[&::declare_clippy_lint::LintInfo] = &[ crate::strings::STRING_FROM_UTF8_AS_BYTES_INFO, crate::strings::STRING_LIT_AS_BYTES_INFO, crate::strings::STRING_SLICE_INFO, - crate::strings::STRING_TO_STRING_INFO, crate::strings::STR_TO_STRING_INFO, crate::strings::TRIM_SPLIT_WHITESPACE_INFO, crate::strlen_on_c_strings::STRLEN_ON_C_STRINGS_INFO, diff --git a/src/tools/clippy/clippy_lints/src/default_union_representation.rs b/src/tools/clippy/clippy_lints/src/default_union_representation.rs index f41255e54db..df6525ce040 100644 --- a/src/tools/clippy/clippy_lints/src/default_union_representation.rs +++ b/src/tools/clippy/clippy_lints/src/default_union_representation.rs @@ -1,7 +1,6 @@ use clippy_utils::diagnostics::span_lint_and_then; use rustc_hir::attrs::{AttributeKind, ReprAttr}; -use rustc_hir::find_attr; -use rustc_hir::{HirId, Item, ItemKind}; +use rustc_hir::{HirId, Item, ItemKind, find_attr}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::layout::LayoutOf; use rustc_middle::ty::{self, FieldDef}; diff --git a/src/tools/clippy/clippy_lints/src/deprecated_lints.rs b/src/tools/clippy/clippy_lints/src/deprecated_lints.rs index 5204f73ea0a..88aebc3e6a1 100644 --- a/src/tools/clippy/clippy_lints/src/deprecated_lints.rs +++ b/src/tools/clippy/clippy_lints/src/deprecated_lints.rs @@ -34,6 +34,8 @@ declare_with_version! { DEPRECATED(DEPRECATED_VERSION) = [ ("clippy::replace_consts", "`min_value` and `max_value` are now deprecated"), #[clippy::version = "pre 1.29.0"] ("clippy::should_assert_eq", "`assert!(a == b)` can now print the values the same way `assert_eq!(a, b) can"), + #[clippy::version = "1.90.0"] + ("clippy::string_to_string", "`clippy:implicit_clone` covers those cases"), #[clippy::version = "pre 1.29.0"] ("clippy::unsafe_vector_initialization", "the suggested alternative could be substantially slower"), #[clippy::version = "pre 1.29.0"] diff --git a/src/tools/clippy/clippy_lints/src/doc/broken_link.rs b/src/tools/clippy/clippy_lints/src/doc/broken_link.rs index 4af10510023..8878fa9180f 100644 --- a/src/tools/clippy/clippy_lints/src/doc/broken_link.rs +++ b/src/tools/clippy/clippy_lints/src/doc/broken_link.rs @@ -19,52 +19,52 @@ pub fn check(cx: &LateContext<'_>, bl: &PullDownBrokenLink<'_>, doc: &str, fragm } fn warn_if_broken_link(cx: &LateContext<'_>, bl: &PullDownBrokenLink<'_>, doc: &str, fragments: &[DocFragment]) { - if let Some((span, _)) = source_span_for_markdown_range(cx.tcx, doc, &bl.span, fragments) { - let mut len = 0; + let mut len = 0; - // grab raw link data - let (_, raw_link) = doc.split_at(bl.span.start); + // grab raw link data + let (_, raw_link) = doc.split_at(bl.span.start); - // strip off link text part - let raw_link = match raw_link.split_once(']') { - None => return, - Some((prefix, suffix)) => { - len += prefix.len() + 1; - suffix - }, - }; + // strip off link text part + let raw_link = match raw_link.split_once(']') { + None => return, + Some((prefix, suffix)) => { + len += prefix.len() + 1; + suffix + }, + }; - let raw_link = match raw_link.split_once('(') { - None => return, - Some((prefix, suffix)) => { - if !prefix.is_empty() { - // there is text between ']' and '(' chars, so it is not a valid link - return; - } - len += prefix.len() + 1; - suffix - }, - }; - - if raw_link.starts_with("(http") { - // reduce chances of false positive reports - // by limiting this checking only to http/https links. - return; - } - - for c in raw_link.chars() { - if c == ')' { - // it is a valid link + let raw_link = match raw_link.split_once('(') { + None => return, + Some((prefix, suffix)) => { + if !prefix.is_empty() { + // there is text between ']' and '(' chars, so it is not a valid link return; } + len += prefix.len() + 1; + suffix + }, + }; - if c == '\n' { - report_broken_link(cx, span, len); - break; - } + if raw_link.starts_with("(http") { + // reduce chances of false positive reports + // by limiting this checking only to http/https links. + return; + } - len += 1; + for c in raw_link.chars() { + if c == ')' { + // it is a valid link + return; } + + if c == '\n' + && let Some((span, _)) = source_span_for_markdown_range(cx.tcx, doc, &bl.span, fragments) + { + report_broken_link(cx, span, len); + break; + } + + len += 1; } } diff --git a/src/tools/clippy/clippy_lints/src/doc/mod.rs b/src/tools/clippy/clippy_lints/src/doc/mod.rs index ea0da0d2467..d27d68d3866 100644 --- a/src/tools/clippy/clippy_lints/src/doc/mod.rs +++ b/src/tools/clippy/clippy_lints/src/doc/mod.rs @@ -662,7 +662,7 @@ declare_clippy_lint! { /// /// [^1]: defined here /// fn my_fn() {} /// ``` - #[clippy::version = "1.88.0"] + #[clippy::version = "1.89.0"] pub DOC_SUSPICIOUS_FOOTNOTES, suspicious, "looks like a link or footnote ref, but with no definition" diff --git a/src/tools/clippy/clippy_lints/src/doc/suspicious_doc_comments.rs b/src/tools/clippy/clippy_lints/src/doc/suspicious_doc_comments.rs index 1e7d1f92fa3..47d91b80e7e 100644 --- a/src/tools/clippy/clippy_lints/src/doc/suspicious_doc_comments.rs +++ b/src/tools/clippy/clippy_lints/src/doc/suspicious_doc_comments.rs @@ -1,9 +1,9 @@ use clippy_utils::diagnostics::span_lint_and_then; use rustc_ast::AttrStyle; use rustc_ast::token::CommentKind; -use rustc_hir::attrs::AttributeKind; use rustc_errors::Applicability; use rustc_hir::Attribute; +use rustc_hir::attrs::AttributeKind; use rustc_lint::LateContext; use rustc_span::Span; diff --git a/src/tools/clippy/clippy_lints/src/doc/too_long_first_doc_paragraph.rs b/src/tools/clippy/clippy_lints/src/doc/too_long_first_doc_paragraph.rs index 32ba696b3ec..674690e7e31 100644 --- a/src/tools/clippy/clippy_lints/src/doc/too_long_first_doc_paragraph.rs +++ b/src/tools/clippy/clippy_lints/src/doc/too_long_first_doc_paragraph.rs @@ -1,5 +1,5 @@ -use rustc_hir::attrs::AttributeKind; use rustc_errors::Applicability; +use rustc_hir::attrs::AttributeKind; use rustc_hir::{Attribute, Item, ItemKind}; use rustc_lint::LateContext; diff --git a/src/tools/clippy/clippy_lints/src/empty_with_brackets.rs b/src/tools/clippy/clippy_lints/src/empty_with_brackets.rs index f2757407ba5..e7230ebf8cb 100644 --- a/src/tools/clippy/clippy_lints/src/empty_with_brackets.rs +++ b/src/tools/clippy/clippy_lints/src/empty_with_brackets.rs @@ -93,11 +93,11 @@ impl_lint_pass!(EmptyWithBrackets => [EMPTY_STRUCTS_WITH_BRACKETS, EMPTY_ENUM_VA impl LateLintPass<'_> for EmptyWithBrackets { fn check_item(&mut self, cx: &LateContext<'_>, item: &Item<'_>) { // FIXME: handle `struct $name {}` - if let ItemKind::Struct(ident, _, var_data) = &item.kind + if let ItemKind::Struct(ident, generics, var_data) = &item.kind && !item.span.from_expansion() && !ident.span.from_expansion() && has_brackets(var_data) - && let span_after_ident = item.span.with_lo(ident.span.hi()) + && let span_after_ident = item.span.with_lo(generics.span.hi()) && has_no_fields(cx, var_data, span_after_ident) { span_lint_and_then( diff --git a/src/tools/clippy/clippy_lints/src/eta_reduction.rs b/src/tools/clippy/clippy_lints/src/eta_reduction.rs index ba539d05b6b..e467246741c 100644 --- a/src/tools/clippy/clippy_lints/src/eta_reduction.rs +++ b/src/tools/clippy/clippy_lints/src/eta_reduction.rs @@ -7,10 +7,9 @@ use clippy_utils::{ get_path_from_caller_to_method_type, is_adjusted, is_no_std_crate, path_to_local, path_to_local_id, }; use rustc_abi::ExternAbi; -use rustc_hir::attrs::{AttributeKind}; -use rustc_hir::find_attr; use rustc_errors::Applicability; -use rustc_hir::{BindingMode, Expr, ExprKind, FnRetTy, GenericArgs, Param, PatKind, QPath, Safety, TyKind}; +use rustc_hir::attrs::AttributeKind; +use rustc_hir::{BindingMode, Expr, ExprKind, FnRetTy, GenericArgs, Param, PatKind, QPath, Safety, TyKind, find_attr}; use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::{ diff --git a/src/tools/clippy/clippy_lints/src/exhaustive_items.rs b/src/tools/clippy/clippy_lints/src/exhaustive_items.rs index 5f40e576443..ac61ce705eb 100644 --- a/src/tools/clippy/clippy_lints/src/exhaustive_items.rs +++ b/src/tools/clippy/clippy_lints/src/exhaustive_items.rs @@ -1,9 +1,8 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::source::indent_of; -use rustc_hir::attrs::{AttributeKind}; -use rustc_hir::find_attr; use rustc_errors::Applicability; -use rustc_hir::{Item, ItemKind}; +use rustc_hir::attrs::AttributeKind; +use rustc_hir::{Item, ItemKind, find_attr}; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::declare_lint_pass; diff --git a/src/tools/clippy/clippy_lints/src/floating_point_arithmetic.rs b/src/tools/clippy/clippy_lints/src/floating_point_arithmetic.rs index d5abaa547e8..84d39dd81c9 100644 --- a/src/tools/clippy/clippy_lints/src/floating_point_arithmetic.rs +++ b/src/tools/clippy/clippy_lints/src/floating_point_arithmetic.rs @@ -148,7 +148,7 @@ fn prepare_receiver_sugg<'a>(cx: &LateContext<'_>, mut expr: &'a Expr<'a>) -> Su .into(); suggestion = match suggestion { - Sugg::MaybeParen(_) => Sugg::MaybeParen(op), + Sugg::MaybeParen(_) | Sugg::UnOp(UnOp::Neg, _) => Sugg::MaybeParen(op), _ => Sugg::NonParen(op), }; } diff --git a/src/tools/clippy/clippy_lints/src/format_args.rs b/src/tools/clippy/clippy_lints/src/format_args.rs index af4202422e4..3359aa60323 100644 --- a/src/tools/clippy/clippy_lints/src/format_args.rs +++ b/src/tools/clippy/clippy_lints/src/format_args.rs @@ -17,12 +17,11 @@ use rustc_ast::{ FormatArgPosition, FormatArgPositionKind, FormatArgsPiece, FormatArgumentKind, FormatCount, FormatOptions, FormatPlaceholder, FormatTrait, }; -use rustc_hir::attrs::{AttributeKind}; -use rustc_hir::{find_attr,RustcVersion}; use rustc_data_structures::fx::FxHashMap; use rustc_errors::Applicability; use rustc_errors::SuggestionStyle::{CompletelyHidden, ShowCode}; -use rustc_hir::{Expr, ExprKind, LangItem}; +use rustc_hir::attrs::AttributeKind; +use rustc_hir::{Expr, ExprKind, LangItem, RustcVersion, find_attr}; use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_middle::ty::adjustment::{Adjust, Adjustment}; use rustc_middle::ty::{self, GenericArg, List, TraitRef, Ty, TyCtxt, Upcast}; @@ -223,7 +222,7 @@ declare_clippy_lint! { /// ``` /// /// [pointer format]: https://doc.rust-lang.org/std/fmt/index.html#formatting-traits - #[clippy::version = "1.88.0"] + #[clippy::version = "1.89.0"] pub POINTER_FORMAT, restriction, "formatting a pointer" diff --git a/src/tools/clippy/clippy_lints/src/formatting.rs b/src/tools/clippy/clippy_lints/src/formatting.rs index 4b482f7b233..1c751643bec 100644 --- a/src/tools/clippy/clippy_lints/src/formatting.rs +++ b/src/tools/clippy/clippy_lints/src/formatting.rs @@ -93,6 +93,31 @@ declare_clippy_lint! { declare_clippy_lint! { /// ### What it does + /// Checks for an `if` expression followed by either a block or another `if` that + /// looks like it should have an `else` between them. + /// + /// ### Why is this bad? + /// This is probably some refactoring remnant, even if the code is correct, it + /// might look confusing. + /// + /// ### Example + /// ```rust,ignore + /// if foo { + /// } { // looks like an `else` is missing here + /// } + /// + /// if foo { + /// } if bar { // looks like an `else` is missing here + /// } + /// ``` + #[clippy::version = "1.90.0"] + pub POSSIBLE_MISSING_ELSE, + suspicious, + "possibly missing `else`" +} + +declare_clippy_lint! { + /// ### What it does /// Checks for possible missing comma in an array. It lints if /// an array element is a binary operator expression and it lies on two lines. /// @@ -116,6 +141,7 @@ declare_lint_pass!(Formatting => [ SUSPICIOUS_ASSIGNMENT_FORMATTING, SUSPICIOUS_UNARY_OP_FORMATTING, SUSPICIOUS_ELSE_FORMATTING, + POSSIBLE_MISSING_ELSE, POSSIBLE_MISSING_COMMA ]); @@ -307,7 +333,7 @@ fn check_missing_else(cx: &EarlyContext<'_>, first: &Expr, second: &Expr) { span_lint_and_note( cx, - SUSPICIOUS_ELSE_FORMATTING, + POSSIBLE_MISSING_ELSE, else_span, format!("this looks like {looks_like} but the `else` is missing"), None, diff --git a/src/tools/clippy/clippy_lints/src/four_forward_slashes.rs b/src/tools/clippy/clippy_lints/src/four_forward_slashes.rs index 8822b87f92f..a7b0edeb799 100644 --- a/src/tools/clippy/clippy_lints/src/four_forward_slashes.rs +++ b/src/tools/clippy/clippy_lints/src/four_forward_slashes.rs @@ -1,4 +1,6 @@ use clippy_utils::diagnostics::span_lint_and_then; +use clippy_utils::source::SpanRangeExt as _; +use itertools::Itertools; use rustc_errors::Applicability; use rustc_hir::Item; use rustc_lint::{LateContext, LateLintPass, LintContext}; @@ -81,6 +83,14 @@ impl<'tcx> LateLintPass<'tcx> for FourForwardSlashes { "turn these into doc comments by removing one `/`" }; + // If the comment contains a bare CR (not followed by a LF), do not propose an auto-fix + // as bare CR are not allowed in doc comments. + if span.check_source_text(cx, contains_bare_cr) { + diag.help(msg) + .note("bare CR characters are not allowed in doc comments"); + return; + } + diag.multipart_suggestion( msg, bad_comments @@ -97,3 +107,8 @@ impl<'tcx> LateLintPass<'tcx> for FourForwardSlashes { } } } + +/// Checks if `text` contains any CR not followed by a LF +fn contains_bare_cr(text: &str) -> bool { + text.bytes().tuple_windows().any(|(a, b)| a == b'\r' && b != b'\n') +} diff --git a/src/tools/clippy/clippy_lints/src/functions/must_use.rs b/src/tools/clippy/clippy_lints/src/functions/must_use.rs index 55ca0d9ecb7..8de68bfcb51 100644 --- a/src/tools/clippy/clippy_lints/src/functions/must_use.rs +++ b/src/tools/clippy/clippy_lints/src/functions/must_use.rs @@ -14,7 +14,7 @@ use clippy_utils::source::snippet_indent; use clippy_utils::ty::is_must_use_ty; use clippy_utils::visitors::for_each_expr_without_closures; use clippy_utils::{return_ty, trait_ref_of_method}; -use rustc_hir::attrs::{AttributeKind}; +use rustc_hir::attrs::AttributeKind; use rustc_hir::find_attr; use rustc_span::Symbol; use rustc_trait_selection::error_reporting::InferCtxtErrorExt; diff --git a/src/tools/clippy/clippy_lints/src/if_not_else.rs b/src/tools/clippy/clippy_lints/src/if_not_else.rs index 25fed0d4dd1..e8afa69b537 100644 --- a/src/tools/clippy/clippy_lints/src/if_not_else.rs +++ b/src/tools/clippy/clippy_lints/src/if_not_else.rs @@ -81,7 +81,7 @@ impl LateLintPass<'_> for IfNotElse { e.span, msg, "try", - make_sugg(cx, &cond.kind, cond_inner.span, els.span, "..", Some(e.span)).to_string(), + make_sugg(cx, &cond.kind, cond_inner.span, els.span, "..", Some(e.span)), Applicability::MachineApplicable, ), _ => span_lint_and_help(cx, IF_NOT_ELSE, e.span, msg, None, help), diff --git a/src/tools/clippy/clippy_lints/src/incompatible_msrv.rs b/src/tools/clippy/clippy_lints/src/incompatible_msrv.rs index 85ebc830d3b..89988be5875 100644 --- a/src/tools/clippy/clippy_lints/src/incompatible_msrv.rs +++ b/src/tools/clippy/clippy_lints/src/incompatible_msrv.rs @@ -2,14 +2,13 @@ use clippy_config::Conf; use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::msrvs::Msrv; use clippy_utils::{is_in_const_context, is_in_test}; -use rustc_hir::{RustcVersion, StabilityLevel, StableSince}; use rustc_data_structures::fx::FxHashMap; use rustc_hir::def::DefKind; -use rustc_hir::{self as hir, AmbigArg, Expr, ExprKind, HirId, QPath}; +use rustc_hir::{self as hir, AmbigArg, Expr, ExprKind, HirId, QPath, RustcVersion, StabilityLevel, StableSince}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::TyCtxt; use rustc_session::impl_lint_pass; -use rustc_span::def_id::DefId; +use rustc_span::def_id::{CrateNum, DefId}; use rustc_span::{ExpnKind, Span, sym}; declare_clippy_lint! { @@ -83,16 +82,22 @@ pub struct IncompatibleMsrv { msrv: Msrv, availability_cache: FxHashMap<(DefId, bool), Availability>, check_in_tests: bool, + core_crate: Option<CrateNum>, } impl_lint_pass!(IncompatibleMsrv => [INCOMPATIBLE_MSRV]); impl IncompatibleMsrv { - pub fn new(conf: &'static Conf) -> Self { + pub fn new(tcx: TyCtxt<'_>, conf: &'static Conf) -> Self { Self { msrv: conf.msrv, availability_cache: FxHashMap::default(), check_in_tests: conf.check_incompatible_msrv_in_tests, + core_crate: tcx + .crates(()) + .iter() + .find(|krate| tcx.crate_name(**krate) == sym::core) + .copied(), } } @@ -140,23 +145,16 @@ impl IncompatibleMsrv { // We don't check local items since their MSRV is supposed to always be valid. return; } - if let ExpnKind::AstPass(_) | ExpnKind::Desugaring(_) = span.ctxt().outer_expn_data().kind { + let expn_data = span.ctxt().outer_expn_data(); + if let ExpnKind::AstPass(_) | ExpnKind::Desugaring(_) = expn_data.kind { // Desugared expressions get to cheat and stability is ignored. // Intentionally not using `.from_expansion()`, since we do still care about macro expansions return; } - // Functions coming from `core` while expanding a macro such as `assert*!()` get to cheat too: the // macros may have existed prior to the checked MSRV, but their expansion with a recent compiler // might use recent functions or methods. Compiling with an older compiler would not use those. - if span.from_expansion() - && cx.tcx.crate_name(def_id.krate) == sym::core - && span - .ctxt() - .outer_expn_data() - .macro_def_id - .is_some_and(|def_id| cx.tcx.crate_name(def_id.krate) == sym::core) - { + if Some(def_id.krate) == self.core_crate && expn_data.macro_def_id.map(|did| did.krate) == self.core_crate { return; } diff --git a/src/tools/clippy/clippy_lints/src/index_refutable_slice.rs b/src/tools/clippy/clippy_lints/src/index_refutable_slice.rs index 3d131a7825a..8f9f71a1476 100644 --- a/src/tools/clippy/clippy_lints/src/index_refutable_slice.rs +++ b/src/tools/clippy/clippy_lints/src/index_refutable_slice.rs @@ -4,7 +4,7 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::higher::IfLet; use clippy_utils::msrvs::{self, Msrv}; use clippy_utils::ty::is_copy; -use clippy_utils::{is_expn_of, is_lint_allowed, path_to_local, sym}; +use clippy_utils::{is_lint_allowed, path_to_local}; use rustc_data_structures::fx::{FxHashSet, FxIndexMap, FxIndexSet}; use rustc_errors::Applicability; use rustc_hir as hir; @@ -71,7 +71,7 @@ impl_lint_pass!(IndexRefutableSlice => [INDEX_REFUTABLE_SLICE]); impl<'tcx> LateLintPass<'tcx> for IndexRefutableSlice { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>) { if let Some(IfLet { let_pat, if_then, .. }) = IfLet::hir(cx, expr) - && (!expr.span.from_expansion() || is_expn_of(expr.span, sym::if_chain).is_some()) + && !expr.span.from_expansion() && !is_lint_allowed(cx, INDEX_REFUTABLE_SLICE, expr.hir_id) && let found_slices = find_slice_values(cx, let_pat) && !found_slices.is_empty() diff --git a/src/tools/clippy/clippy_lints/src/infallible_try_from.rs b/src/tools/clippy/clippy_lints/src/infallible_try_from.rs index f7cdf05359a..589c294a678 100644 --- a/src/tools/clippy/clippy_lints/src/infallible_try_from.rs +++ b/src/tools/clippy/clippy_lints/src/infallible_try_from.rs @@ -13,7 +13,7 @@ declare_clippy_lint! { /// /// ### Why is this bad? /// - /// Infalliable conversions should be implemented via `From` with the blanket conversion. + /// Infallible conversions should be implemented via `From` with the blanket conversion. /// /// ### Example /// ```no_run @@ -35,7 +35,7 @@ declare_clippy_lint! { /// } /// } /// ``` - #[clippy::version = "1.88.0"] + #[clippy::version = "1.89.0"] pub INFALLIBLE_TRY_FROM, suspicious, "TryFrom with infallible Error type" @@ -71,7 +71,7 @@ impl<'tcx> LateLintPass<'tcx> for InfallibleTryFrom { cx, INFALLIBLE_TRY_FROM, span, - "infallible TryFrom impl; consider implementing From, instead", + "infallible TryFrom impl; consider implementing From instead", ); } } diff --git a/src/tools/clippy/clippy_lints/src/inline_fn_without_body.rs b/src/tools/clippy/clippy_lints/src/inline_fn_without_body.rs index ee59a4cc8cb..e416ac079d6 100644 --- a/src/tools/clippy/clippy_lints/src/inline_fn_without_body.rs +++ b/src/tools/clippy/clippy_lints/src/inline_fn_without_body.rs @@ -1,9 +1,8 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::sugg::DiagExt; -use rustc_hir::attrs::{AttributeKind}; -use rustc_hir::find_attr; use rustc_errors::Applicability; -use rustc_hir::{TraitFn, TraitItem, TraitItemKind}; +use rustc_hir::attrs::AttributeKind; +use rustc_hir::{TraitFn, TraitItem, TraitItemKind, find_attr}; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::declare_lint_pass; diff --git a/src/tools/clippy/clippy_lints/src/let_with_type_underscore.rs b/src/tools/clippy/clippy_lints/src/let_with_type_underscore.rs index 1917ca24a05..5b0f95ffc37 100644 --- a/src/tools/clippy/clippy_lints/src/let_with_type_underscore.rs +++ b/src/tools/clippy/clippy_lints/src/let_with_type_underscore.rs @@ -1,5 +1,6 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::is_from_proc_macro; +use clippy_utils::source::{IntoSpan, SpanRangeExt}; use rustc_errors::Applicability; use rustc_hir::{LetStmt, TyKind}; use rustc_lint::{LateContext, LateLintPass}; @@ -30,9 +31,15 @@ impl<'tcx> LateLintPass<'tcx> for UnderscoreTyped { if let Some(ty) = local.ty // Ensure that it has a type defined && let TyKind::Infer(()) = &ty.kind // that type is '_' && local.span.eq_ctxt(ty.span) - && !local.span.in_external_macro(cx.tcx.sess.source_map()) + && let sm = cx.tcx.sess.source_map() + && !local.span.in_external_macro(sm) && !is_from_proc_macro(cx, ty) { + let span_to_remove = sm + .span_extend_to_prev_char_before(ty.span, ':', true) + .with_leading_whitespace(cx) + .into_span(); + span_lint_and_then( cx, LET_WITH_TYPE_UNDERSCORE, @@ -40,7 +47,7 @@ impl<'tcx> LateLintPass<'tcx> for UnderscoreTyped { "variable declared with type underscore", |diag| { diag.span_suggestion_verbose( - ty.span.with_lo(local.pat.span.hi()), + span_to_remove, "remove the explicit type `_` declaration", "", Applicability::MachineApplicable, diff --git a/src/tools/clippy/clippy_lints/src/lib.rs b/src/tools/clippy/clippy_lints/src/lib.rs index 914aa6b9b80..844bc1b0e39 100644 --- a/src/tools/clippy/clippy_lints/src/lib.rs +++ b/src/tools/clippy/clippy_lints/src/lib.rs @@ -522,7 +522,8 @@ pub fn register_lint_passes(store: &mut rustc_lint::LintStore, conf: &'static Co store.register_late_pass(|_| Box::new(same_name_method::SameNameMethod)); store.register_late_pass(move |_| Box::new(index_refutable_slice::IndexRefutableSlice::new(conf))); store.register_late_pass(|_| Box::<shadow::Shadow>::default()); - store.register_late_pass(|_| Box::new(unit_types::UnitTypes)); + let format_args = format_args_storage.clone(); + store.register_late_pass(move |_| Box::new(unit_types::UnitTypes::new(format_args.clone()))); store.register_late_pass(move |_| Box::new(loops::Loops::new(conf))); store.register_late_pass(|_| Box::<main_recursion::MainRecursion>::default()); store.register_late_pass(move |_| Box::new(lifetimes::Lifetimes::new(conf))); @@ -663,7 +664,6 @@ pub fn register_lint_passes(store: &mut rustc_lint::LintStore, conf: &'static Co store.register_early_pass(|| Box::new(asm_syntax::InlineAsmX86IntelSyntax)); store.register_late_pass(|_| Box::new(empty_drop::EmptyDrop)); store.register_late_pass(|_| Box::new(strings::StrToString)); - store.register_late_pass(|_| Box::new(strings::StringToString)); store.register_late_pass(|_| Box::new(zero_sized_map_values::ZeroSizedMapValues)); store.register_late_pass(|_| Box::<vec_init_then_push::VecInitThenPush>::default()); store.register_late_pass(|_| Box::new(redundant_slicing::RedundantSlicing)); @@ -796,7 +796,7 @@ pub fn register_lint_passes(store: &mut rustc_lint::LintStore, conf: &'static Co store.register_late_pass(|_| Box::<unconditional_recursion::UnconditionalRecursion>::default()); store.register_late_pass(move |_| Box::new(pub_underscore_fields::PubUnderscoreFields::new(conf))); store.register_late_pass(move |_| Box::new(missing_const_for_thread_local::MissingConstForThreadLocal::new(conf))); - store.register_late_pass(move |_| Box::new(incompatible_msrv::IncompatibleMsrv::new(conf))); + store.register_late_pass(move |tcx| Box::new(incompatible_msrv::IncompatibleMsrv::new(tcx, conf))); store.register_late_pass(|_| Box::new(to_string_trait_impl::ToStringTraitImpl)); store.register_early_pass(|| Box::new(multiple_bound_locations::MultipleBoundLocations)); store.register_late_pass(move |_| Box::new(assigning_clones::AssigningClones::new(conf))); diff --git a/src/tools/clippy/clippy_lints/src/loops/never_loop.rs b/src/tools/clippy/clippy_lints/src/loops/never_loop.rs index 8a253ae5810..2ccff768097 100644 --- a/src/tools/clippy/clippy_lints/src/loops/never_loop.rs +++ b/src/tools/clippy/clippy_lints/src/loops/never_loop.rs @@ -202,7 +202,7 @@ fn all_spans_after_expr(cx: &LateContext<'_>, expr: &Expr<'_>) -> Vec<Span> { .iter() .skip_while(|inner| inner.hir_id != stmt.hir_id) .map(stmt_source_span) - .chain(if let Some(e) = block.expr { vec![e.span] } else { vec![] }) + .chain(block.expr.map(|e| e.span)) .collect(); } diff --git a/src/tools/clippy/clippy_lints/src/macro_use.rs b/src/tools/clippy/clippy_lints/src/macro_use.rs index bf89556fbb6..8989793625a 100644 --- a/src/tools/clippy/clippy_lints/src/macro_use.rs +++ b/src/tools/clippy/clippy_lints/src/macro_use.rs @@ -1,11 +1,10 @@ use clippy_utils::diagnostics::span_lint_hir_and_then; use clippy_utils::source::snippet; use hir::def::{DefKind, Res}; -use rustc_hir::attrs::{AttributeKind}; -use rustc_hir::find_attr; use rustc_data_structures::fx::FxHashSet; use rustc_errors::Applicability; -use rustc_hir::{self as hir, AmbigArg}; +use rustc_hir::attrs::AttributeKind; +use rustc_hir::{self as hir, AmbigArg, find_attr}; use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_session::impl_lint_pass; use rustc_span::Span; diff --git a/src/tools/clippy/clippy_lints/src/manual_assert.rs b/src/tools/clippy/clippy_lints/src/manual_assert.rs index ea6b01a053a..76cb2286477 100644 --- a/src/tools/clippy/clippy_lints/src/manual_assert.rs +++ b/src/tools/clippy/clippy_lints/src/manual_assert.rs @@ -1,8 +1,8 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::macros::{is_panic, root_macro_call}; -use clippy_utils::{is_else_clause, is_parent_stmt, peel_blocks_with_stmt, span_extract_comment, sugg}; +use clippy_utils::{higher, is_else_clause, is_parent_stmt, peel_blocks_with_stmt, span_extract_comment, sugg}; use rustc_errors::Applicability; -use rustc_hir::{Expr, ExprKind, UnOp}; +use rustc_hir::{Expr, ExprKind}; use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_session::declare_lint_pass; @@ -35,7 +35,7 @@ declare_lint_pass!(ManualAssert => [MANUAL_ASSERT]); impl<'tcx> LateLintPass<'tcx> for ManualAssert { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &Expr<'tcx>) { - if let ExprKind::If(cond, then, None) = expr.kind + if let Some(higher::If { cond, then, r#else: None }) = higher::If::hir(expr) && !matches!(cond.kind, ExprKind::Let(_)) && !expr.span.from_expansion() && let then = peel_blocks_with_stmt(then) @@ -51,19 +51,13 @@ impl<'tcx> LateLintPass<'tcx> for ManualAssert { && !is_else_clause(cx.tcx, expr) { let mut applicability = Applicability::MachineApplicable; - let cond = cond.peel_drop_temps(); let mut comments = span_extract_comment(cx.sess().source_map(), expr.span); if !comments.is_empty() { comments += "\n"; } - let (cond, not) = match cond.kind { - ExprKind::Unary(UnOp::Not, e) => (e, ""), - _ => (cond, "!"), - }; - let cond_sugg = - sugg::Sugg::hir_with_context(cx, cond, expr.span.ctxt(), "..", &mut applicability).maybe_paren(); + let cond_sugg = !sugg::Sugg::hir_with_context(cx, cond, expr.span.ctxt(), "..", &mut applicability); let semicolon = if is_parent_stmt(cx, expr.hir_id) { ";" } else { "" }; - let sugg = format!("assert!({not}{cond_sugg}, {format_args_snip}){semicolon}"); + let sugg = format!("assert!({cond_sugg}, {format_args_snip}){semicolon}"); // we show to the user the suggestion without the comments, but when applying the fix, include the // comments in the block span_lint_and_then( diff --git a/src/tools/clippy/clippy_lints/src/manual_async_fn.rs b/src/tools/clippy/clippy_lints/src/manual_async_fn.rs index abd1ac954cd..ba1ad599e11 100644 --- a/src/tools/clippy/clippy_lints/src/manual_async_fn.rs +++ b/src/tools/clippy/clippy_lints/src/manual_async_fn.rs @@ -83,7 +83,7 @@ impl<'tcx> LateLintPass<'tcx> for ManualAsyncFn { format!("{} async {}", vis_snip, &header_snip[vis_snip.len() + 1..ret_pos]) }; - let body_snip = snippet_block(cx, closure_body.value.span, "..", Some(block.span)).to_string(); + let body_snip = snippet_block(cx, closure_body.value.span, "..", Some(block.span)); diag.multipart_suggestion( "make the function `async` and return the output of the future directly", diff --git a/src/tools/clippy/clippy_lints/src/manual_non_exhaustive.rs b/src/tools/clippy/clippy_lints/src/manual_non_exhaustive.rs index 6b0f7446849..0d783fde331 100644 --- a/src/tools/clippy/clippy_lints/src/manual_non_exhaustive.rs +++ b/src/tools/clippy/clippy_lints/src/manual_non_exhaustive.rs @@ -4,12 +4,11 @@ use clippy_utils::is_doc_hidden; use clippy_utils::msrvs::{self, Msrv}; use clippy_utils::source::snippet_indent; use itertools::Itertools; -use rustc_hir::attrs::{AttributeKind}; -use rustc_hir::find_attr; use rustc_data_structures::fx::FxHashSet; use rustc_errors::Applicability; +use rustc_hir::attrs::AttributeKind; use rustc_hir::def::{CtorKind, CtorOf, DefKind, Res}; -use rustc_hir::{Expr, ExprKind, Item, ItemKind, QPath, TyKind, VariantData}; +use rustc_hir::{Expr, ExprKind, Item, ItemKind, QPath, TyKind, VariantData, find_attr}; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::impl_lint_pass; use rustc_span::Span; diff --git a/src/tools/clippy/clippy_lints/src/matches/match_single_binding.rs b/src/tools/clippy/clippy_lints/src/matches/match_single_binding.rs index 6a76c6cedd0..82d5310663e 100644 --- a/src/tools/clippy/clippy_lints/src/matches/match_single_binding.rs +++ b/src/tools/clippy/clippy_lints/src/matches/match_single_binding.rs @@ -1,11 +1,16 @@ +use std::ops::ControlFlow; + use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::macros::HirNode; -use clippy_utils::source::{indent_of, snippet, snippet_block_with_context, snippet_with_context}; -use clippy_utils::{is_refutable, peel_blocks}; +use clippy_utils::source::{indent_of, reindent_multiline, snippet, snippet_block_with_context, snippet_with_context}; +use clippy_utils::{is_expr_identity_of_pat, is_refutable, peel_blocks}; +use rustc_data_structures::fx::FxHashSet; use rustc_errors::Applicability; -use rustc_hir::{Arm, Expr, ExprKind, Node, PatKind, StmtKind}; +use rustc_hir::def::Res; +use rustc_hir::intravisit::{Visitor, walk_block, walk_expr, walk_path, walk_stmt}; +use rustc_hir::{Arm, Block, Expr, ExprKind, HirId, Node, PatKind, Path, Stmt, StmtKind}; use rustc_lint::LateContext; -use rustc_span::Span; +use rustc_span::{Span, Symbol}; use super::MATCH_SINGLE_BINDING; @@ -26,9 +31,7 @@ pub(crate) fn check<'a>(cx: &LateContext<'a>, ex: &Expr<'a>, arms: &[Arm<'_>], e let match_body = peel_blocks(arms[0].body); let mut app = Applicability::MaybeIncorrect; let ctxt = expr.span.ctxt(); - let mut snippet_body = snippet_block_with_context(cx, match_body.span, ctxt, "..", Some(expr.span), &mut app) - .0 - .to_string(); + let mut snippet_body = snippet_block_with_context(cx, match_body.span, ctxt, "..", Some(expr.span), &mut app).0; // Do we need to add ';' to suggestion ? if let Node::Stmt(stmt) = cx.tcx.parent_hir_node(expr.hir_id) @@ -50,10 +53,11 @@ pub(crate) fn check<'a>(cx: &LateContext<'a>, ex: &Expr<'a>, arms: &[Arm<'_>], e cx, (ex, expr), (bind_names, matched_vars), - &snippet_body, + snippet_body, &mut app, Some(span), true, + is_var_binding_used_later(cx, expr, &arms[0]), ); span_lint_and_sugg( @@ -78,15 +82,28 @@ pub(crate) fn check<'a>(cx: &LateContext<'a>, ex: &Expr<'a>, arms: &[Arm<'_>], e snippet_with_context(cx, pat_span, ctxt, "..", &mut app).0 ), ), + None if is_expr_identity_of_pat(cx, arms[0].pat, ex, false) => { + span_lint_and_sugg( + cx, + MATCH_SINGLE_BINDING, + expr.span, + "this match could be replaced by its body itself", + "consider using the match body instead", + snippet_body, + Applicability::MachineApplicable, + ); + return; + }, None => { let sugg = sugg_with_curlies( cx, (ex, expr), (bind_names, matched_vars), - &snippet_body, + snippet_body, &mut app, None, true, + is_var_binding_used_later(cx, expr, &arms[0]), ); (expr.span, sugg) }, @@ -108,10 +125,11 @@ pub(crate) fn check<'a>(cx: &LateContext<'a>, ex: &Expr<'a>, arms: &[Arm<'_>], e cx, (ex, expr), (bind_names, matched_vars), - &snippet_body, + snippet_body, &mut app, None, false, + true, ); span_lint_and_sugg( @@ -139,6 +157,125 @@ pub(crate) fn check<'a>(cx: &LateContext<'a>, ex: &Expr<'a>, arms: &[Arm<'_>], e } } +struct VarBindingVisitor<'a, 'tcx> { + cx: &'a LateContext<'tcx>, + identifiers: FxHashSet<Symbol>, +} + +impl<'tcx> Visitor<'tcx> for VarBindingVisitor<'_, 'tcx> { + type Result = ControlFlow<()>; + + fn visit_path(&mut self, path: &Path<'tcx>, _: HirId) -> Self::Result { + if let Res::Local(_) = path.res + && let [segment] = path.segments + && self.identifiers.contains(&segment.ident.name) + { + return ControlFlow::Break(()); + } + + walk_path(self, path) + } + + fn visit_block(&mut self, block: &'tcx Block<'tcx>) -> Self::Result { + let before = self.identifiers.clone(); + walk_block(self, block)?; + self.identifiers = before; + ControlFlow::Continue(()) + } + + fn visit_stmt(&mut self, stmt: &'tcx Stmt<'tcx>) -> Self::Result { + if let StmtKind::Let(let_stmt) = stmt.kind { + if let Some(init) = let_stmt.init { + self.visit_expr(init)?; + } + + let_stmt.pat.each_binding(|_, _, _, ident| { + self.identifiers.remove(&ident.name); + }); + } + walk_stmt(self, stmt) + } + + fn visit_expr(&mut self, expr: &'tcx Expr<'tcx>) -> Self::Result { + match expr.kind { + ExprKind::If( + Expr { + kind: ExprKind::Let(let_expr), + .. + }, + then, + else_, + ) => { + self.visit_expr(let_expr.init)?; + let before = self.identifiers.clone(); + let_expr.pat.each_binding(|_, _, _, ident| { + self.identifiers.remove(&ident.name); + }); + + self.visit_expr(then)?; + self.identifiers = before; + if let Some(else_) = else_ { + self.visit_expr(else_)?; + } + ControlFlow::Continue(()) + }, + ExprKind::Closure(closure) => { + let body = self.cx.tcx.hir_body(closure.body); + let before = self.identifiers.clone(); + for param in body.params { + param.pat.each_binding(|_, _, _, ident| { + self.identifiers.remove(&ident.name); + }); + } + self.visit_expr(body.value)?; + self.identifiers = before; + ControlFlow::Continue(()) + }, + ExprKind::Match(expr, arms, _) => { + self.visit_expr(expr)?; + for arm in arms { + let before = self.identifiers.clone(); + arm.pat.each_binding(|_, _, _, ident| { + self.identifiers.remove(&ident.name); + }); + if let Some(guard) = arm.guard { + self.visit_expr(guard)?; + } + self.visit_expr(arm.body)?; + self.identifiers = before; + } + ControlFlow::Continue(()) + }, + _ => walk_expr(self, expr), + } + } +} + +fn is_var_binding_used_later(cx: &LateContext<'_>, expr: &Expr<'_>, arm: &Arm<'_>) -> bool { + let Node::Stmt(stmt) = cx.tcx.parent_hir_node(expr.hir_id) else { + return false; + }; + let Node::Block(block) = cx.tcx.parent_hir_node(stmt.hir_id) else { + return false; + }; + + let mut identifiers = FxHashSet::default(); + arm.pat.each_binding(|_, _, _, ident| { + identifiers.insert(ident.name); + }); + + let mut visitor = VarBindingVisitor { cx, identifiers }; + block + .stmts + .iter() + .skip_while(|s| s.hir_id != stmt.hir_id) + .skip(1) + .any(|stmt| matches!(visitor.visit_stmt(stmt), ControlFlow::Break(()))) + || block + .expr + .is_some_and(|expr| matches!(visitor.visit_expr(expr), ControlFlow::Break(()))) +} + /// Returns true if the `ex` match expression is in a local (`let`) or assign expression fn opt_parent_assign_span<'a>(cx: &LateContext<'a>, ex: &Expr<'a>) -> Option<AssignmentExpr> { if let Node::Expr(parent_arm_expr) = cx.tcx.parent_hir_node(ex.hir_id) { @@ -161,47 +298,66 @@ fn opt_parent_assign_span<'a>(cx: &LateContext<'a>, ex: &Expr<'a>) -> Option<Ass None } -fn expr_parent_requires_curlies<'a>(cx: &LateContext<'a>, match_expr: &Expr<'a>) -> bool { +fn expr_in_nested_block(cx: &LateContext<'_>, match_expr: &Expr<'_>) -> bool { + if let Node::Block(block) = cx.tcx.parent_hir_node(match_expr.hir_id) { + return block + .expr + .map_or_else(|| matches!(block.stmts, [_]), |_| block.stmts.is_empty()); + } + false +} + +fn expr_must_have_curlies(cx: &LateContext<'_>, match_expr: &Expr<'_>) -> bool { let parent = cx.tcx.parent_hir_node(match_expr.hir_id); - matches!( - parent, - Node::Expr(Expr { - kind: ExprKind::Closure { .. }, - .. - }) | Node::AnonConst(..) + if let Node::Expr(Expr { + kind: ExprKind::Closure(..) | ExprKind::Binary(..), + .. + }) + | Node::AnonConst(..) = parent + { + return true; + } + + if let Node::Arm(arm) = &cx.tcx.parent_hir_node(match_expr.hir_id) + && let ExprKind::Match(..) = arm.body.kind + { + return true; + } + + false +} + +fn indent_of_nth_line(snippet: &str, nth: usize) -> Option<usize> { + snippet + .lines() + .nth(nth) + .and_then(|s| s.find(|c: char| !c.is_whitespace())) +} + +fn reindent_snippet_if_in_block(snippet_body: &str, has_assignment: bool) -> String { + if has_assignment || !snippet_body.starts_with('{') { + return reindent_multiline(snippet_body, true, indent_of_nth_line(snippet_body, 1)); + } + + let snippet_body = snippet_body.trim_start_matches('{').trim_end_matches('}').trim(); + reindent_multiline( + snippet_body, + false, + indent_of_nth_line(snippet_body, 0).map(|indent| indent.saturating_sub(4)), ) } +#[expect(clippy::too_many_arguments)] fn sugg_with_curlies<'a>( cx: &LateContext<'a>, (ex, match_expr): (&Expr<'a>, &Expr<'a>), (bind_names, matched_vars): (Span, Span), - snippet_body: &str, + mut snippet_body: String, applicability: &mut Applicability, assignment: Option<Span>, needs_var_binding: bool, + is_var_binding_used_later: bool, ) -> String { - let mut indent = " ".repeat(indent_of(cx, ex.span).unwrap_or(0)); - - let (mut cbrace_start, mut cbrace_end) = (String::new(), String::new()); - if expr_parent_requires_curlies(cx, match_expr) { - cbrace_end = format!("\n{indent}}}"); - // Fix body indent due to the closure - indent = " ".repeat(indent_of(cx, bind_names).unwrap_or(0)); - cbrace_start = format!("{{\n{indent}"); - } - - // If the parent is already an arm, and the body is another match statement, - // we need curly braces around suggestion - if let Node::Arm(arm) = &cx.tcx.parent_hir_node(match_expr.hir_id) - && let ExprKind::Match(..) = arm.body.kind - { - cbrace_end = format!("\n{indent}}}"); - // Fix body indent due to the match - indent = " ".repeat(indent_of(cx, bind_names).unwrap_or(0)); - cbrace_start = format!("{{\n{indent}"); - } - let assignment_str = assignment.map_or_else(String::new, |span| { let mut s = snippet(cx, span, "..").to_string(); s.push_str(" = "); @@ -221,5 +377,17 @@ fn sugg_with_curlies<'a>( .to_string() }; + let mut indent = " ".repeat(indent_of(cx, ex.span).unwrap_or(0)); + let (mut cbrace_start, mut cbrace_end) = (String::new(), String::new()); + if !expr_in_nested_block(cx, match_expr) + && ((needs_var_binding && is_var_binding_used_later) || expr_must_have_curlies(cx, match_expr)) + { + cbrace_end = format!("\n{indent}}}"); + // Fix body indent due to the closure + indent = " ".repeat(indent_of(cx, bind_names).unwrap_or(0)); + cbrace_start = format!("{{\n{indent}"); + snippet_body = reindent_snippet_if_in_block(&snippet_body, !assignment_str.is_empty()); + } + format!("{cbrace_start}{scrutinee};\n{indent}{assignment_str}{snippet_body}{cbrace_end}") } diff --git a/src/tools/clippy/clippy_lints/src/matches/single_match.rs b/src/tools/clippy/clippy_lints/src/matches/single_match.rs index 7e530e98ac4..bcf079b7007 100644 --- a/src/tools/clippy/clippy_lints/src/matches/single_match.rs +++ b/src/tools/clippy/clippy_lints/src/matches/single_match.rs @@ -112,9 +112,7 @@ fn report_single_pattern( let (sugg, help) = if is_unit_expr(arm.body) { (String::new(), "`match` expression can be removed") } else { - let mut sugg = snippet_block_with_context(cx, arm.body.span, ctxt, "..", Some(expr.span), &mut app) - .0 - .to_string(); + let mut sugg = snippet_block_with_context(cx, arm.body.span, ctxt, "..", Some(expr.span), &mut app).0; if let Node::Stmt(stmt) = cx.tcx.parent_hir_node(expr.hir_id) && let StmtKind::Expr(_) = stmt.kind && match arm.body.kind { @@ -127,7 +125,7 @@ fn report_single_pattern( (sugg, "try") }; span_lint_and_then(cx, lint, expr.span, msg, |diag| { - diag.span_suggestion(expr.span, help, sugg.to_string(), app); + diag.span_suggestion(expr.span, help, sugg, app); note(diag); }); return; @@ -188,7 +186,7 @@ fn report_single_pattern( }; span_lint_and_then(cx, lint, expr.span, msg, |diag| { - diag.span_suggestion(expr.span, "try", sugg.to_string(), app); + diag.span_suggestion(expr.span, "try", sugg, app); note(diag); }); } diff --git a/src/tools/clippy/clippy_lints/src/methods/implicit_clone.rs b/src/tools/clippy/clippy_lints/src/methods/implicit_clone.rs index efa8cee58df..8a976d1b4dc 100644 --- a/src/tools/clippy/clippy_lints/src/methods/implicit_clone.rs +++ b/src/tools/clippy/clippy_lints/src/methods/implicit_clone.rs @@ -40,14 +40,12 @@ pub fn check(cx: &LateContext<'_>, method_name: Symbol, expr: &hir::Expr<'_>, re } /// Returns true if the named method can be used to clone the receiver. -/// Note that `to_string` is not flagged by `implicit_clone`. So other lints that call -/// `is_clone_like` and that do flag `to_string` must handle it separately. See, e.g., -/// `is_to_owned_like` in `unnecessary_to_owned.rs`. pub fn is_clone_like(cx: &LateContext<'_>, method_name: Symbol, method_def_id: hir::def_id::DefId) -> bool { match method_name { sym::to_os_string => is_diag_item_method(cx, method_def_id, sym::OsStr), sym::to_owned => is_diag_trait_item(cx, method_def_id, sym::ToOwned), sym::to_path_buf => is_diag_item_method(cx, method_def_id, sym::Path), + sym::to_string => is_diag_trait_item(cx, method_def_id, sym::ToString), sym::to_vec => cx .tcx .impl_of_assoc(method_def_id) diff --git a/src/tools/clippy/clippy_lints/src/methods/ip_constant.rs b/src/tools/clippy/clippy_lints/src/methods/ip_constant.rs index 83803fba6a1..a2ac4e54334 100644 --- a/src/tools/clippy/clippy_lints/src/methods/ip_constant.rs +++ b/src/tools/clippy/clippy_lints/src/methods/ip_constant.rs @@ -1,7 +1,7 @@ use clippy_utils::consts::{ConstEvalCtxt, Constant}; use clippy_utils::diagnostics::span_lint_and_then; use rustc_errors::Applicability; -use rustc_hir::{Expr, ExprKind, QPath, Ty, TyKind}; +use rustc_hir::{Expr, ExprKind, QPath, TyKind}; use rustc_lint::LateContext; use rustc_span::sym; use smallvec::SmallVec; @@ -9,13 +9,8 @@ use smallvec::SmallVec; use super::IP_CONSTANT; pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, func: &Expr<'_>, args: &[Expr<'_>]) { - if let ExprKind::Path(QPath::TypeRelative( - Ty { - kind: TyKind::Path(QPath::Resolved(_, func_path)), - .. - }, - p, - )) = func.kind + if let ExprKind::Path(QPath::TypeRelative(ty, p)) = func.kind + && let TyKind::Path(QPath::Resolved(_, func_path)) = ty.kind && p.ident.name == sym::new && let Some(func_def_id) = func_path.res.opt_def_id() && matches!( @@ -40,13 +35,15 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, func: &Expr<'_>, args _ => return, }; + let mut sugg = vec![(expr.span.with_lo(p.ident.span.lo()), constant_name.to_owned())]; + let before_span = expr.span.shrink_to_lo().until(ty.span); + if !before_span.is_empty() { + // Remove everything before the type name + sugg.push((before_span, String::new())); + } + span_lint_and_then(cx, IP_CONSTANT, expr.span, "hand-coded well-known IP address", |diag| { - diag.span_suggestion_verbose( - expr.span.with_lo(p.ident.span.lo()), - "use", - constant_name, - Applicability::MachineApplicable, - ); + diag.multipart_suggestion_verbose("use", sugg, Applicability::MachineApplicable); }); } } diff --git a/src/tools/clippy/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs b/src/tools/clippy/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs index c0366765234..83e565562af 100644 --- a/src/tools/clippy/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs +++ b/src/tools/clippy/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs @@ -2,14 +2,15 @@ use std::iter::once; use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::source::snippet; +use clippy_utils::ty::{ExprFnSig, expr_sig, ty_sig}; use clippy_utils::{get_expr_use_or_unification_node, is_res_lang_ctor, path_res, std_or_core, sym}; use rustc_errors::Applicability; use rustc_hir::LangItem::{OptionNone, OptionSome}; -use rustc_hir::def_id::DefId; use rustc_hir::hir_id::HirId; use rustc_hir::{Expr, ExprKind, Node}; use rustc_lint::LateContext; +use rustc_middle::ty::Binder; use rustc_span::Symbol; use super::{ITER_ON_EMPTY_COLLECTIONS, ITER_ON_SINGLE_ITEMS}; @@ -32,24 +33,34 @@ impl IterType { fn is_arg_ty_unified_in_fn<'tcx>( cx: &LateContext<'tcx>, - fn_id: DefId, + fn_sig: ExprFnSig<'tcx>, arg_id: HirId, args: impl IntoIterator<Item = &'tcx Expr<'tcx>>, + is_method: bool, ) -> bool { - let fn_sig = cx.tcx.fn_sig(fn_id).instantiate_identity(); let arg_id_in_args = args.into_iter().position(|e| e.hir_id == arg_id).unwrap(); - let arg_ty_in_args = fn_sig.input(arg_id_in_args).skip_binder(); + let Some(arg_ty_in_args) = fn_sig.input(arg_id_in_args).map(Binder::skip_binder) else { + return false; + }; - cx.tcx.predicates_of(fn_id).predicates.iter().any(|(clause, _)| { - clause - .as_projection_clause() - .and_then(|p| p.map_bound(|p| p.term.as_type()).transpose()) - .is_some_and(|ty| ty.skip_binder() == arg_ty_in_args) - }) || fn_sig - .inputs() - .iter() - .enumerate() - .any(|(i, ty)| i != arg_id_in_args && ty.skip_binder().walk().any(|arg| arg.as_type() == Some(arg_ty_in_args))) + fn_sig + .predicates_id() + .map(|def_id| cx.tcx.predicates_of(def_id)) + .is_some_and(|generics| { + generics.predicates.iter().any(|(clause, _)| { + clause + .as_projection_clause() + .and_then(|p| p.map_bound(|p| p.term.as_type()).transpose()) + .is_some_and(|ty| ty.skip_binder() == arg_ty_in_args) + }) + }) + || (!is_method + && fn_sig.input(arg_id_in_args).is_some_and(|binder| { + binder + .skip_binder() + .walk() + .any(|arg| arg.as_type() == Some(arg_ty_in_args)) + })) } pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>, method_name: Symbol, recv: &'tcx Expr<'tcx>) { @@ -70,25 +81,16 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>, method let is_unified = match get_expr_use_or_unification_node(cx.tcx, expr) { Some((Node::Expr(parent), child_id)) => match parent.kind { ExprKind::If(e, _, _) | ExprKind::Match(e, _, _) if e.hir_id == child_id => false, - ExprKind::Call( - Expr { - kind: ExprKind::Path(path), - hir_id, - .. - }, - args, - ) => cx + ExprKind::Call(recv, args) => { + expr_sig(cx, recv).is_some_and(|fn_sig| is_arg_ty_unified_in_fn(cx, fn_sig, child_id, args, false)) + }, + ExprKind::MethodCall(_name, recv, args, _span) => cx .typeck_results() - .qpath_res(path, *hir_id) - .opt_def_id() - .filter(|fn_id| cx.tcx.def_kind(fn_id).is_fn_like()) - .is_some_and(|fn_id| is_arg_ty_unified_in_fn(cx, fn_id, child_id, args)), - ExprKind::MethodCall(_name, recv, args, _span) => is_arg_ty_unified_in_fn( - cx, - cx.typeck_results().type_dependent_def_id(parent.hir_id).unwrap(), - child_id, - once(recv).chain(args.iter()), - ), + .type_dependent_def_id(parent.hir_id) + .and_then(|def_id| ty_sig(cx, cx.tcx.type_of(def_id).instantiate_identity())) + .is_some_and(|fn_sig| { + is_arg_ty_unified_in_fn(cx, fn_sig, child_id, once(recv).chain(args.iter()), true) + }), ExprKind::If(_, _, _) | ExprKind::Match(_, _, _) | ExprKind::Closure(_) @@ -96,7 +98,8 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>, method | ExprKind::Break(_, _) => true, _ => false, }, - Some((Node::Stmt(_) | Node::LetStmt(_), _)) => false, + Some((Node::LetStmt(let_stmt), _)) => let_stmt.ty.is_some(), + Some((Node::Stmt(_), _)) => false, _ => true, }; diff --git a/src/tools/clippy/clippy_lints/src/methods/mod.rs b/src/tools/clippy/clippy_lints/src/methods/mod.rs index bcd54557331..49ca81dafc2 100644 --- a/src/tools/clippy/clippy_lints/src/methods/mod.rs +++ b/src/tools/clippy/clippy_lints/src/methods/mod.rs @@ -5450,7 +5450,7 @@ impl Methods { implicit_clone::check(cx, name, expr, recv); } }, - (sym::to_os_string | sym::to_path_buf | sym::to_vec, []) => { + (sym::to_os_string | sym::to_path_buf | sym::to_string | sym::to_vec, []) => { implicit_clone::check(cx, name, expr, recv); }, (sym::type_id, []) => { diff --git a/src/tools/clippy/clippy_lints/src/methods/unnecessary_map_or.rs b/src/tools/clippy/clippy_lints/src/methods/unnecessary_map_or.rs index 4a9007c607c..1f5e3de6e7a 100644 --- a/src/tools/clippy/clippy_lints/src/methods/unnecessary_map_or.rs +++ b/src/tools/clippy/clippy_lints/src/methods/unnecessary_map_or.rs @@ -109,10 +109,16 @@ pub(super) fn check<'a>( ); let sugg = if let Some(parent_expr) = get_parent_expr(cx, expr) { - match parent_expr.kind { - ExprKind::Binary(..) | ExprKind::Unary(..) | ExprKind::Cast(..) => binop.maybe_paren(), - ExprKind::MethodCall(_, receiver, _, _) if receiver.hir_id == expr.hir_id => binop.maybe_paren(), - _ => binop, + if parent_expr.span.eq_ctxt(expr.span) { + match parent_expr.kind { + ExprKind::Binary(..) | ExprKind::Unary(..) | ExprKind::Cast(..) => binop.maybe_paren(), + ExprKind::MethodCall(_, receiver, _, _) if receiver.hir_id == expr.hir_id => binop.maybe_paren(), + _ => binop, + } + } else { + // if our parent expr is created by a macro, then it should be the one taking care of + // parenthesising us if necessary + binop } } else { binop diff --git a/src/tools/clippy/clippy_lints/src/methods/unnecessary_sort_by.rs b/src/tools/clippy/clippy_lints/src/methods/unnecessary_sort_by.rs index 1de9f6ab497..fa9d5332ff4 100644 --- a/src/tools/clippy/clippy_lints/src/methods/unnecessary_sort_by.rs +++ b/src/tools/clippy/clippy_lints/src/methods/unnecessary_sort_by.rs @@ -199,44 +199,50 @@ pub(super) fn check<'tcx>( is_unstable: bool, ) { match detect_lint(cx, expr, recv, arg) { - Some(LintTrigger::SortByKey(trigger)) => span_lint_and_sugg( - cx, - UNNECESSARY_SORT_BY, - expr.span, - "consider using `sort_by_key`", - "try", - format!( - "{}.sort{}_by_key(|{}| {})", - trigger.vec_name, - if is_unstable { "_unstable" } else { "" }, - trigger.closure_arg, - if let Some(std_or_core) = std_or_core(cx) - && trigger.reverse - { - format!("{}::cmp::Reverse({})", std_or_core, trigger.closure_body) + Some(LintTrigger::SortByKey(trigger)) => { + let method = if is_unstable { + "sort_unstable_by_key" + } else { + "sort_by_key" + }; + span_lint_and_sugg( + cx, + UNNECESSARY_SORT_BY, + expr.span, + format!("consider using `{method}`"), + "try", + format!( + "{}.{}(|{}| {})", + trigger.vec_name, + method, + trigger.closure_arg, + if let Some(std_or_core) = std_or_core(cx) + && trigger.reverse + { + format!("{}::cmp::Reverse({})", std_or_core, trigger.closure_body) + } else { + trigger.closure_body + }, + ), + if trigger.reverse { + Applicability::MaybeIncorrect } else { - trigger.closure_body.to_string() + Applicability::MachineApplicable }, - ), - if trigger.reverse { - Applicability::MaybeIncorrect - } else { - Applicability::MachineApplicable - }, - ), - Some(LintTrigger::Sort(trigger)) => span_lint_and_sugg( - cx, - UNNECESSARY_SORT_BY, - expr.span, - "consider using `sort`", - "try", - format!( - "{}.sort{}()", - trigger.vec_name, - if is_unstable { "_unstable" } else { "" }, - ), - Applicability::MachineApplicable, - ), + ); + }, + Some(LintTrigger::Sort(trigger)) => { + let method = if is_unstable { "sort_unstable" } else { "sort" }; + span_lint_and_sugg( + cx, + UNNECESSARY_SORT_BY, + expr.span, + format!("consider using `{method}`"), + "try", + format!("{}.{}()", trigger.vec_name, method), + Applicability::MachineApplicable, + ); + }, None => {}, } } diff --git a/src/tools/clippy/clippy_lints/src/methods/unnecessary_to_owned.rs b/src/tools/clippy/clippy_lints/src/methods/unnecessary_to_owned.rs index 54f45263275..c1f4904af7c 100644 --- a/src/tools/clippy/clippy_lints/src/methods/unnecessary_to_owned.rs +++ b/src/tools/clippy/clippy_lints/src/methods/unnecessary_to_owned.rs @@ -621,8 +621,8 @@ fn is_cloned_or_copied(cx: &LateContext<'_>, method_name: Symbol, method_def_id: /// Returns true if the named method can be used to convert the receiver to its "owned" /// representation. fn is_to_owned_like<'a>(cx: &LateContext<'a>, call_expr: &Expr<'a>, method_name: Symbol, method_def_id: DefId) -> bool { - is_clone_like(cx, method_name, method_def_id) - || is_cow_into_owned(cx, method_name, method_def_id) + is_cow_into_owned(cx, method_name, method_def_id) + || (method_name != sym::to_string && is_clone_like(cx, method_name, method_def_id)) || is_to_string_on_string_like(cx, call_expr, method_name, method_def_id) } diff --git a/src/tools/clippy/clippy_lints/src/min_ident_chars.rs b/src/tools/clippy/clippy_lints/src/min_ident_chars.rs index 99f01c8001a..dbce29a8631 100644 --- a/src/tools/clippy/clippy_lints/src/min_ident_chars.rs +++ b/src/tools/clippy/clippy_lints/src/min_ident_chars.rs @@ -4,10 +4,14 @@ use clippy_utils::is_from_proc_macro; use rustc_data_structures::fx::FxHashSet; use rustc_hir::def::{DefKind, Res}; use rustc_hir::intravisit::{Visitor, walk_item, walk_trait_item}; -use rustc_hir::{GenericParamKind, HirId, Item, ItemKind, ItemLocalId, Node, Pat, PatKind, TraitItem, UsePath}; +use rustc_hir::{ + GenericParamKind, HirId, Impl, ImplItem, ImplItemKind, Item, ItemKind, ItemLocalId, Node, Pat, PatKind, TraitItem, + UsePath, +}; use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_session::impl_lint_pass; -use rustc_span::Span; +use rustc_span::symbol::Ident; +use rustc_span::{Span, Symbol}; use std::borrow::Cow; declare_clippy_lint! { @@ -32,6 +36,10 @@ declare_clippy_lint! { /// let title = movie.title; /// } /// ``` + /// + /// ### Limitations + /// Trait implementations which use the same function or parameter name as the trait declaration will + /// not be warned about, even if the name is below the configured limit. #[clippy::version = "1.72.0"] pub MIN_IDENT_CHARS, restriction, @@ -76,6 +84,18 @@ impl LateLintPass<'_> for MinIdentChars { return; } + // If the function is declared but not defined in a trait, check_pat isn't called so we need to + // check this explicitly + if matches!(&item.kind, rustc_hir::TraitItemKind::Fn(_, _)) { + let param_names = cx.tcx.fn_arg_idents(item.owner_id.to_def_id()); + for ident in param_names.iter().flatten() { + let str = ident.as_str(); + if self.is_ident_too_short(cx, str, ident.span) { + emit_min_ident_chars(self, cx, str, ident.span); + } + } + } + walk_trait_item(&mut IdentVisitor { conf: self, cx }, item); } @@ -84,6 +104,7 @@ impl LateLintPass<'_> for MinIdentChars { if let PatKind::Binding(_, _, ident, ..) = pat.kind && let str = ident.as_str() && self.is_ident_too_short(cx, str, ident.span) + && is_not_in_trait_impl(cx, pat, ident) { emit_min_ident_chars(self, cx, str, ident.span); } @@ -118,6 +139,11 @@ impl Visitor<'_> for IdentVisitor<'_, '_> { let str = ident.as_str(); if conf.is_ident_too_short(cx, str, ident.span) { + // Check whether the node is part of a `impl` for a trait. + if matches!(cx.tcx.parent_hir_node(hir_id), Node::TraitRef(_)) { + return; + } + // Check whether the node is part of a `use` statement. We don't want to emit a warning if the user // has no control over the type. let usenode = opt_as_use_node(node).or_else(|| { @@ -201,3 +227,52 @@ fn opt_as_use_node(node: Node<'_>) -> Option<&'_ UsePath<'_>> { None } } + +/// Check if a pattern is a function param in an impl block for a trait and that the param name is +/// the same than in the trait definition. +fn is_not_in_trait_impl(cx: &LateContext<'_>, pat: &Pat<'_>, ident: Ident) -> bool { + let parent_node = cx.tcx.parent_hir_node(pat.hir_id); + if !matches!(parent_node, Node::Param(_)) { + return true; + } + + for (_, parent_node) in cx.tcx.hir_parent_iter(pat.hir_id) { + if let Node::ImplItem(impl_item) = parent_node + && matches!(impl_item.kind, ImplItemKind::Fn(_, _)) + { + let impl_parent_node = cx.tcx.parent_hir_node(impl_item.hir_id()); + if let Node::Item(parent_item) = impl_parent_node + && let ItemKind::Impl(Impl { of_trait: Some(_), .. }) = &parent_item.kind + && let Some(name) = get_param_name(impl_item, cx, ident) + { + return name != ident.name; + } + + return true; + } + } + + true +} + +fn get_param_name(impl_item: &ImplItem<'_>, cx: &LateContext<'_>, ident: Ident) -> Option<Symbol> { + if let Some(trait_item_def_id) = impl_item.trait_item_def_id { + let trait_param_names = cx.tcx.fn_arg_idents(trait_item_def_id); + + let ImplItemKind::Fn(_, body_id) = impl_item.kind else { + return None; + }; + + if let Some(param_index) = cx + .tcx + .hir_body_param_idents(body_id) + .position(|param_ident| param_ident.is_some_and(|param_ident| param_ident.span == ident.span)) + && let Some(trait_param_name) = trait_param_names.get(param_index) + && let Some(trait_param_ident) = trait_param_name + { + return Some(trait_param_ident.name); + } + } + + None +} diff --git a/src/tools/clippy/clippy_lints/src/missing_inline.rs b/src/tools/clippy/clippy_lints/src/missing_inline.rs index c637fb247ff..d02952eb487 100644 --- a/src/tools/clippy/clippy_lints/src/missing_inline.rs +++ b/src/tools/clippy/clippy_lints/src/missing_inline.rs @@ -1,8 +1,7 @@ use clippy_utils::diagnostics::span_lint; -use rustc_hir::attrs::{AttributeKind}; -use rustc_hir::find_attr; +use rustc_hir::attrs::AttributeKind; use rustc_hir::def_id::DefId; -use rustc_hir::{self as hir, Attribute}; +use rustc_hir::{self as hir, Attribute, find_attr}; use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_middle::ty::AssocItemContainer; use rustc_session::declare_lint_pass; diff --git a/src/tools/clippy/clippy_lints/src/needless_bool.rs b/src/tools/clippy/clippy_lints/src/needless_bool.rs index b3aa1a7286a..fa5afcc0087 100644 --- a/src/tools/clippy/clippy_lints/src/needless_bool.rs +++ b/src/tools/clippy/clippy_lints/src/needless_bool.rs @@ -3,7 +3,7 @@ use clippy_utils::source::snippet_with_applicability; use clippy_utils::sugg::Sugg; use clippy_utils::{ SpanlessEq, get_parent_expr, higher, is_block_like, is_else_clause, is_expn_of, is_parent_stmt, - is_receiver_of_method_call, peel_blocks, peel_blocks_with_stmt, span_extract_comment, sym, + is_receiver_of_method_call, peel_blocks, peel_blocks_with_stmt, span_contains_comment, sym, }; use rustc_ast::ast::LitKind; use rustc_errors::Applicability; @@ -128,14 +128,13 @@ fn condition_needs_parentheses(e: &Expr<'_>) -> bool { impl<'tcx> LateLintPass<'tcx> for NeedlessBool { fn check_expr(&mut self, cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) { use self::Expression::{Bool, RetBool}; - if e.span.from_expansion() || !span_extract_comment(cx.tcx.sess.source_map(), e.span).is_empty() { - return; - } - if let Some(higher::If { - cond, - then, - r#else: Some(r#else), - }) = higher::If::hir(e) + if !e.span.from_expansion() + && let Some(higher::If { + cond, + then, + r#else: Some(else_expr), + }) = higher::If::hir(e) + && !span_contains_comment(cx.tcx.sess.source_map(), e.span) { let reduce = |ret, not| { let mut applicability = Applicability::MachineApplicable; @@ -167,7 +166,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessBool { applicability, ); }; - if let Some((a, b)) = fetch_bool_block(then).and_then(|a| Some((a, fetch_bool_block(r#else)?))) { + if let Some((a, b)) = fetch_bool_block(then).and_then(|a| Some((a, fetch_bool_block(else_expr)?))) { match (a, b) { (RetBool(true), RetBool(true)) | (Bool(true), Bool(true)) => { span_lint( @@ -193,7 +192,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessBool { } } if let Some((lhs_a, a)) = fetch_assign(then) - && let Some((lhs_b, b)) = fetch_assign(r#else) + && let Some((lhs_b, b)) = fetch_assign(else_expr) && SpanlessEq::new(cx).eq_expr(lhs_a, lhs_b) { let mut applicability = Applicability::MachineApplicable; diff --git a/src/tools/clippy/clippy_lints/src/needless_pass_by_value.rs b/src/tools/clippy/clippy_lints/src/needless_pass_by_value.rs index 7b057998063..32ded96c123 100644 --- a/src/tools/clippy/clippy_lints/src/needless_pass_by_value.rs +++ b/src/tools/clippy/clippy_lints/src/needless_pass_by_value.rs @@ -311,9 +311,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessPassByValue { /// Functions marked with these attributes must have the exact signature. pub(crate) fn requires_exact_signature(attrs: &[Attribute]) -> bool { - attrs.iter().any(|attr| { - attr.is_proc_macro_attr() - }) + attrs.iter().any(Attribute::is_proc_macro_attr) } #[derive(Default)] diff --git a/src/tools/clippy/clippy_lints/src/no_mangle_with_rust_abi.rs b/src/tools/clippy/clippy_lints/src/no_mangle_with_rust_abi.rs index 791bbbe30a8..daa2c287794 100644 --- a/src/tools/clippy/clippy_lints/src/no_mangle_with_rust_abi.rs +++ b/src/tools/clippy/clippy_lints/src/no_mangle_with_rust_abi.rs @@ -1,8 +1,8 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::source::{snippet, snippet_with_applicability}; use rustc_abi::ExternAbi; -use rustc_hir::attrs::AttributeKind; use rustc_errors::Applicability; +use rustc_hir::attrs::AttributeKind; use rustc_hir::{Attribute, Item, ItemKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::declare_lint_pass; diff --git a/src/tools/clippy/clippy_lints/src/non_std_lazy_statics.rs b/src/tools/clippy/clippy_lints/src/non_std_lazy_statics.rs index abee3c44c5a..7ecde40aee0 100644 --- a/src/tools/clippy/clippy_lints/src/non_std_lazy_statics.rs +++ b/src/tools/clippy/clippy_lints/src/non_std_lazy_statics.rs @@ -49,7 +49,7 @@ declare_clippy_lint! { /// Some functions could be replaced as well if we have replaced `Lazy` to `LazyLock`, /// therefore after suggesting replace the type, we need to make sure the function calls can be /// replaced, otherwise the suggestions cannot be applied thus the applicability should be -/// `Unspecified` or `MaybeIncorret`. +/// [`Applicability::Unspecified`] or [`Applicability::MaybeIncorrect`]. static FUNCTION_REPLACEMENTS: &[(&str, Option<&str>)] = &[ ("once_cell::sync::Lazy::force", Some("std::sync::LazyLock::force")), ("once_cell::sync::Lazy::get", None), // `std::sync::LazyLock::get` is experimental diff --git a/src/tools/clippy/clippy_lints/src/option_if_let_else.rs b/src/tools/clippy/clippy_lints/src/option_if_let_else.rs index 9487cec87ef..3483f3081a5 100644 --- a/src/tools/clippy/clippy_lints/src/option_if_let_else.rs +++ b/src/tools/clippy/clippy_lints/src/option_if_let_else.rs @@ -127,7 +127,8 @@ fn try_get_option_occurrence<'tcx>( if_else: &'tcx Expr<'_>, ) -> Option<OptionOccurrence> { let cond_expr = match expr.kind { - ExprKind::Unary(UnOp::Deref, inner_expr) | ExprKind::AddrOf(_, _, inner_expr) => inner_expr, + ExprKind::AddrOf(_, _, inner_expr) => inner_expr, + ExprKind::Unary(UnOp::Deref, inner_expr) if !cx.typeck_results().expr_ty(inner_expr).is_raw_ptr() => inner_expr, _ => expr, }; let (inner_pat, is_result) = try_get_inner_pat_and_is_result(cx, pat)?; @@ -223,8 +224,8 @@ fn try_get_option_occurrence<'tcx>( let mut app = Applicability::Unspecified; - let (none_body, is_argless_call) = match none_body.kind { - ExprKind::Call(call_expr, []) if !none_body.span.from_expansion() => (call_expr, true), + let (none_body, can_omit_arg) = match none_body.kind { + ExprKind::Call(call_expr, []) if !none_body.span.from_expansion() && !is_result => (call_expr, true), _ => (none_body, false), }; @@ -241,7 +242,7 @@ fn try_get_option_occurrence<'tcx>( ), none_expr: format!( "{}{}", - if method_sugg == "map_or" || is_argless_call { + if method_sugg == "map_or" || can_omit_arg { "" } else if is_result { "|_| " diff --git a/src/tools/clippy/clippy_lints/src/pass_by_ref_or_value.rs b/src/tools/clippy/clippy_lints/src/pass_by_ref_or_value.rs index 303c5dfed89..d7b4a03aa53 100644 --- a/src/tools/clippy/clippy_lints/src/pass_by_ref_or_value.rs +++ b/src/tools/clippy/clippy_lints/src/pass_by_ref_or_value.rs @@ -5,13 +5,12 @@ use clippy_utils::ty::{for_each_top_level_late_bound_region, is_copy}; use clippy_utils::{is_self, is_self_ty}; use core::ops::ControlFlow; use rustc_abi::ExternAbi; -use rustc_hir::attrs::{AttributeKind, InlineAttr}; -use rustc_hir::find_attr; use rustc_data_structures::fx::FxHashSet; use rustc_errors::Applicability; use rustc_hir as hir; +use rustc_hir::attrs::{AttributeKind, InlineAttr}; use rustc_hir::intravisit::FnKind; -use rustc_hir::{BindingMode, Body, FnDecl, Impl, ItemKind, MutTy, Mutability, Node, PatKind}; +use rustc_hir::{BindingMode, Body, FnDecl, Impl, ItemKind, MutTy, Mutability, Node, PatKind, find_attr}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::adjustment::{Adjust, PointerCoercion}; use rustc_middle::ty::layout::LayoutOf; diff --git a/src/tools/clippy/clippy_lints/src/redundant_else.rs b/src/tools/clippy/clippy_lints/src/redundant_else.rs index a3be16ed858..79353dc9247 100644 --- a/src/tools/clippy/clippy_lints/src/redundant_else.rs +++ b/src/tools/clippy/clippy_lints/src/redundant_else.rs @@ -97,7 +97,7 @@ impl EarlyLintPass for RedundantElse { els.span.with_lo(then.span.hi()), "redundant else block", "remove the `else` block and move the contents out", - make_sugg(cx, els.span, "..", Some(expr.span)).to_string(), + make_sugg(cx, els.span, "..", Some(expr.span)), app, ); } diff --git a/src/tools/clippy/clippy_lints/src/return_self_not_must_use.rs b/src/tools/clippy/clippy_lints/src/return_self_not_must_use.rs index 2cdb8ef3a65..b057396034c 100644 --- a/src/tools/clippy/clippy_lints/src/return_self_not_must_use.rs +++ b/src/tools/clippy/clippy_lints/src/return_self_not_must_use.rs @@ -1,11 +1,10 @@ use clippy_utils::diagnostics::span_lint_and_help; use clippy_utils::ty::is_must_use_ty; use clippy_utils::{nth_arg, return_ty}; -use rustc_hir::attrs::{AttributeKind}; -use rustc_hir::find_attr; +use rustc_hir::attrs::AttributeKind; use rustc_hir::def_id::LocalDefId; use rustc_hir::intravisit::FnKind; -use rustc_hir::{Body, FnDecl, OwnerId, TraitItem, TraitItemKind}; +use rustc_hir::{Body, FnDecl, OwnerId, TraitItem, TraitItemKind, find_attr}; use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_session::declare_lint_pass; use rustc_span::Span; diff --git a/src/tools/clippy/clippy_lints/src/semicolon_block.rs b/src/tools/clippy/clippy_lints/src/semicolon_block.rs index f6c128d4c52..db91c57b181 100644 --- a/src/tools/clippy/clippy_lints/src/semicolon_block.rs +++ b/src/tools/clippy/clippy_lints/src/semicolon_block.rs @@ -102,7 +102,7 @@ impl SemicolonBlock { } fn semicolon_outside_block(&self, cx: &LateContext<'_>, block: &Block<'_>, tail_stmt_expr: &Expr<'_>) { - let insert_span = block.span.with_lo(block.span.hi()); + let insert_span = block.span.shrink_to_hi(); // For macro call semicolon statements (`mac!();`), the statement's span does not actually // include the semicolon itself, so use `mac_call_stmt_semi_span`, which finds the semicolon @@ -144,28 +144,20 @@ impl LateLintPass<'_> for SemicolonBlock { kind: ExprKind::Block(block, _), .. }) if !block.span.from_expansion() && stmt.span.contains(block.span) => { - let Block { - expr: None, - stmts: [.., stmt], - .. - } = block - else { - return; - }; - let &Stmt { - kind: StmtKind::Semi(expr), - .. - } = stmt - else { - return; - }; - self.semicolon_outside_block(cx, block, expr); + if block.expr.is_none() + && let [.., stmt] = block.stmts + && let StmtKind::Semi(expr) = stmt.kind + { + self.semicolon_outside_block(cx, block, expr); + } }, StmtKind::Semi(Expr { - kind: ExprKind::Block(block @ Block { expr: Some(tail), .. }, _), + kind: ExprKind::Block(block, _), .. }) if !block.span.from_expansion() => { - self.semicolon_inside_block(cx, block, tail, stmt.span); + if let Some(tail) = block.expr { + self.semicolon_inside_block(cx, block, tail, stmt.span); + } }, _ => (), } @@ -173,9 +165,5 @@ impl LateLintPass<'_> for SemicolonBlock { } fn get_line(cx: &LateContext<'_>, span: Span) -> Option<usize> { - if let Ok(line) = cx.sess().source_map().lookup_line(span.lo()) { - return Some(line.line); - } - - None + cx.sess().source_map().lookup_line(span.lo()).ok().map(|line| line.line) } diff --git a/src/tools/clippy/clippy_lints/src/std_instead_of_core.rs b/src/tools/clippy/clippy_lints/src/std_instead_of_core.rs index 50c44a8e75c..e9534bc63a6 100644 --- a/src/tools/clippy/clippy_lints/src/std_instead_of_core.rs +++ b/src/tools/clippy/clippy_lints/src/std_instead_of_core.rs @@ -2,11 +2,10 @@ use clippy_config::Conf; use clippy_utils::diagnostics::{span_lint_and_help, span_lint_and_sugg}; use clippy_utils::is_from_proc_macro; use clippy_utils::msrvs::Msrv; -use rustc_hir::{StabilityLevel, StableSince}; use rustc_errors::Applicability; use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::DefId; -use rustc_hir::{Block, Body, HirId, Path, PathSegment}; +use rustc_hir::{Block, Body, HirId, Path, PathSegment, StabilityLevel, StableSince}; use rustc_lint::{LateContext, LateLintPass, Lint, LintContext}; use rustc_session::impl_lint_pass; use rustc_span::symbol::kw; diff --git a/src/tools/clippy/clippy_lints/src/strings.rs b/src/tools/clippy/clippy_lints/src/strings.rs index 1cda6f596f4..490e6c974ae 100644 --- a/src/tools/clippy/clippy_lints/src/strings.rs +++ b/src/tools/clippy/clippy_lints/src/strings.rs @@ -13,8 +13,6 @@ use rustc_middle::ty; use rustc_session::declare_lint_pass; use rustc_span::source_map::Spanned; -use std::ops::ControlFlow; - declare_clippy_lint! { /// ### What it does /// Checks for string appends of the form `x = x + y` (without @@ -413,125 +411,6 @@ impl<'tcx> LateLintPass<'tcx> for StrToString { declare_clippy_lint! { /// ### What it does - /// This lint checks for `.to_string()` method calls on values of type `String`. - /// - /// ### Why restrict this? - /// The `to_string` method is also used on other types to convert them to a string. - /// When called on a `String` it only clones the `String`, which can be more specifically - /// expressed with `.clone()`. - /// - /// ### Example - /// ```no_run - /// let msg = String::from("Hello World"); - /// let _ = msg.to_string(); - /// ``` - /// Use instead: - /// ```no_run - /// let msg = String::from("Hello World"); - /// let _ = msg.clone(); - /// ``` - #[clippy::version = "pre 1.29.0"] - pub STRING_TO_STRING, - restriction, - "using `to_string()` on a `String`, which should be `clone()`" -} - -declare_lint_pass!(StringToString => [STRING_TO_STRING]); - -fn is_parent_map_like(cx: &LateContext<'_>, expr: &Expr<'_>) -> Option<rustc_span::Span> { - if let Some(parent_expr) = get_parent_expr(cx, expr) - && let ExprKind::MethodCall(name, _, _, parent_span) = parent_expr.kind - && name.ident.name == sym::map - && let Some(caller_def_id) = cx.typeck_results().type_dependent_def_id(parent_expr.hir_id) - && (clippy_utils::is_diag_item_method(cx, caller_def_id, sym::Result) - || clippy_utils::is_diag_item_method(cx, caller_def_id, sym::Option) - || clippy_utils::is_diag_trait_item(cx, caller_def_id, sym::Iterator)) - { - Some(parent_span) - } else { - None - } -} - -fn is_called_from_map_like(cx: &LateContext<'_>, expr: &Expr<'_>) -> Option<rustc_span::Span> { - // Look for a closure as parent of `expr`, discarding simple blocks - let parent_closure = cx - .tcx - .hir_parent_iter(expr.hir_id) - .try_fold(expr.hir_id, |child_hir_id, (_, node)| match node { - // Check that the child expression is the only expression in the block - Node::Block(block) if block.stmts.is_empty() && block.expr.map(|e| e.hir_id) == Some(child_hir_id) => { - ControlFlow::Continue(block.hir_id) - }, - Node::Expr(expr) if matches!(expr.kind, ExprKind::Block(..)) => ControlFlow::Continue(expr.hir_id), - Node::Expr(expr) if matches!(expr.kind, ExprKind::Closure(_)) => ControlFlow::Break(Some(expr)), - _ => ControlFlow::Break(None), - }) - .break_value()?; - is_parent_map_like(cx, parent_closure?) -} - -fn suggest_cloned_string_to_string(cx: &LateContext<'_>, span: rustc_span::Span) { - span_lint_and_sugg( - cx, - STRING_TO_STRING, - span, - "`to_string()` called on a `String`", - "try", - "cloned()".to_string(), - Applicability::MachineApplicable, - ); -} - -impl<'tcx> LateLintPass<'tcx> for StringToString { - fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &Expr<'_>) { - if expr.span.from_expansion() { - return; - } - - match &expr.kind { - ExprKind::MethodCall(path, self_arg, [], _) => { - if path.ident.name == sym::to_string - && let ty = cx.typeck_results().expr_ty(self_arg) - && is_type_lang_item(cx, ty.peel_refs(), LangItem::String) - { - if let Some(parent_span) = is_called_from_map_like(cx, expr) { - suggest_cloned_string_to_string(cx, parent_span); - } else { - #[expect(clippy::collapsible_span_lint_calls, reason = "rust-clippy#7797")] - span_lint_and_then( - cx, - STRING_TO_STRING, - expr.span, - "`to_string()` called on a `String`", - |diag| { - diag.help("consider using `.clone()`"); - }, - ); - } - } - }, - ExprKind::Path(QPath::TypeRelative(ty, segment)) => { - if segment.ident.name == sym::to_string - && let rustc_hir::TyKind::Path(QPath::Resolved(_, path)) = ty.peel_refs().kind - && let rustc_hir::def::Res::Def(_, def_id) = path.res - && cx - .tcx - .lang_items() - .get(LangItem::String) - .is_some_and(|lang_id| lang_id == def_id) - && let Some(parent_span) = is_parent_map_like(cx, expr) - { - suggest_cloned_string_to_string(cx, parent_span); - } - }, - _ => {}, - } - } -} - -declare_clippy_lint! { - /// ### What it does /// Warns about calling `str::trim` (or variants) before `str::split_whitespace`. /// /// ### Why is this bad? diff --git a/src/tools/clippy/clippy_lints/src/unit_types/let_unit_value.rs b/src/tools/clippy/clippy_lints/src/unit_types/let_unit_value.rs index 87f184e13ce..d5b6c175854 100644 --- a/src/tools/clippy/clippy_lints/src/unit_types/let_unit_value.rs +++ b/src/tools/clippy/clippy_lints/src/unit_types/let_unit_value.rs @@ -1,17 +1,20 @@ use clippy_utils::diagnostics::span_lint_and_then; -use clippy_utils::source::snippet_with_context; +use clippy_utils::macros::{FormatArgsStorage, find_format_arg_expr, is_format_macro, root_macro_call_first_node}; +use clippy_utils::source::{indent_of, reindent_multiline, snippet_with_context}; use clippy_utils::visitors::{for_each_local_assignment, for_each_value_source}; use core::ops::ControlFlow; +use rustc_ast::{FormatArgs, FormatArgumentKind}; use rustc_errors::Applicability; use rustc_hir::def::{DefKind, Res}; -use rustc_hir::intravisit::{Visitor, walk_body}; +use rustc_hir::intravisit::{Visitor, walk_body, walk_expr}; use rustc_hir::{Expr, ExprKind, HirId, HirIdSet, LetStmt, MatchSource, Node, PatKind, QPath, TyKind}; use rustc_lint::{LateContext, LintContext}; use rustc_middle::ty; +use rustc_span::Span; use super::LET_UNIT_VALUE; -pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, local: &'tcx LetStmt<'_>) { +pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, format_args: &FormatArgsStorage, local: &'tcx LetStmt<'_>) { // skip `let () = { ... }` if let PatKind::Tuple(fields, ..) = local.pat.kind && fields.is_empty() @@ -73,11 +76,8 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, local: &'tcx LetStmt<'_>) { let mut suggestions = Vec::new(); // Suggest omitting the `let` binding - if let Some(expr) = &local.init { - let mut app = Applicability::MachineApplicable; - let snip = snippet_with_context(cx, expr.span, local.span.ctxt(), "()", &mut app).0; - suggestions.push((local.span, format!("{snip};"))); - } + let mut app = Applicability::MachineApplicable; + let snip = snippet_with_context(cx, init.span, local.span.ctxt(), "()", &mut app).0; // If this is a binding pattern, we need to add suggestions to remove any usages // of the variable @@ -85,53 +85,102 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, local: &'tcx LetStmt<'_>) { && let Some(body_id) = cx.enclosing_body.as_ref() { let body = cx.tcx.hir_body(*body_id); - - // Collect variable usages - let mut visitor = UnitVariableCollector::new(binding_hir_id); + let mut visitor = UnitVariableCollector::new(cx, format_args, binding_hir_id); walk_body(&mut visitor, body); - // Add suggestions for replacing variable usages - suggestions.extend(visitor.spans.into_iter().map(|span| (span, "()".to_string()))); - } + let mut has_in_format_capture = false; + suggestions.extend(visitor.spans.iter().filter_map(|span| match span { + MaybeInFormatCapture::Yes => { + has_in_format_capture = true; + None + }, + MaybeInFormatCapture::No(span) => Some((*span, "()".to_string())), + })); - // Emit appropriate diagnostic based on whether there are usages of the let binding - if !suggestions.is_empty() { - let message = if suggestions.len() == 1 { - "omit the `let` binding" - } else { - "omit the `let` binding and replace variable usages with `()`" - }; - diag.multipart_suggestion(message, suggestions, Applicability::MachineApplicable); + if has_in_format_capture { + suggestions.push(( + init.span, + format!("();\n{}", reindent_multiline(&snip, false, indent_of(cx, local.span))), + )); + diag.multipart_suggestion( + "replace variable usages with `()`", + suggestions, + Applicability::MachineApplicable, + ); + return; + } } + + suggestions.push((local.span, format!("{snip};"))); + let message = if suggestions.len() == 1 { + "omit the `let` binding" + } else { + "omit the `let` binding and replace variable usages with `()`" + }; + diag.multipart_suggestion(message, suggestions, Applicability::MachineApplicable); }, ); } } } -struct UnitVariableCollector { +struct UnitVariableCollector<'a, 'tcx> { + cx: &'a LateContext<'tcx>, + format_args: &'a FormatArgsStorage, id: HirId, - spans: Vec<rustc_span::Span>, + spans: Vec<MaybeInFormatCapture>, + macro_call: Option<&'a FormatArgs>, } -impl UnitVariableCollector { - fn new(id: HirId) -> Self { - Self { id, spans: vec![] } +enum MaybeInFormatCapture { + Yes, + No(Span), +} + +impl<'a, 'tcx> UnitVariableCollector<'a, 'tcx> { + fn new(cx: &'a LateContext<'tcx>, format_args: &'a FormatArgsStorage, id: HirId) -> Self { + Self { + cx, + format_args, + id, + spans: Vec::new(), + macro_call: None, + } } } /** * Collect all instances where a variable is used based on its `HirId`. */ -impl<'tcx> Visitor<'tcx> for UnitVariableCollector { +impl<'tcx> Visitor<'tcx> for UnitVariableCollector<'_, 'tcx> { fn visit_expr(&mut self, ex: &'tcx Expr<'tcx>) -> Self::Result { + if let Some(macro_call) = root_macro_call_first_node(self.cx, ex) + && is_format_macro(self.cx, macro_call.def_id) + && let Some(format_args) = self.format_args.get(self.cx, ex, macro_call.expn) + { + let parent_macro_call = self.macro_call; + self.macro_call = Some(format_args); + walk_expr(self, ex); + self.macro_call = parent_macro_call; + return; + } + if let ExprKind::Path(QPath::Resolved(None, path)) = ex.kind && let Res::Local(id) = path.res && id == self.id { - self.spans.push(path.span); + if let Some(macro_call) = self.macro_call + && macro_call.arguments.all_args().iter().any(|arg| { + matches!(arg.kind, FormatArgumentKind::Captured(_)) && find_format_arg_expr(ex, arg).is_some() + }) + { + self.spans.push(MaybeInFormatCapture::Yes); + } else { + self.spans.push(MaybeInFormatCapture::No(path.span)); + } } - rustc_hir::intravisit::walk_expr(self, ex); + + walk_expr(self, ex); } } diff --git a/src/tools/clippy/clippy_lints/src/unit_types/mod.rs b/src/tools/clippy/clippy_lints/src/unit_types/mod.rs index e016bd3434b..4ffcc247acf 100644 --- a/src/tools/clippy/clippy_lints/src/unit_types/mod.rs +++ b/src/tools/clippy/clippy_lints/src/unit_types/mod.rs @@ -3,9 +3,10 @@ mod unit_arg; mod unit_cmp; mod utils; +use clippy_utils::macros::FormatArgsStorage; use rustc_hir::{Expr, LetStmt}; use rustc_lint::{LateContext, LateLintPass}; -use rustc_session::declare_lint_pass; +use rustc_session::impl_lint_pass; declare_clippy_lint! { /// ### What it does @@ -96,11 +97,21 @@ declare_clippy_lint! { "passing unit to a function" } -declare_lint_pass!(UnitTypes => [LET_UNIT_VALUE, UNIT_CMP, UNIT_ARG]); +pub struct UnitTypes { + format_args: FormatArgsStorage, +} + +impl_lint_pass!(UnitTypes => [LET_UNIT_VALUE, UNIT_CMP, UNIT_ARG]); + +impl UnitTypes { + pub fn new(format_args: FormatArgsStorage) -> Self { + Self { format_args } + } +} impl<'tcx> LateLintPass<'tcx> for UnitTypes { fn check_local(&mut self, cx: &LateContext<'tcx>, local: &'tcx LetStmt<'tcx>) { - let_unit_value::check(cx, local); + let_unit_value::check(cx, &self.format_args, local); } fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { diff --git a/src/tools/clippy/clippy_lints/src/utils/author.rs b/src/tools/clippy/clippy_lints/src/utils/author.rs index 29931738412..2113cb92137 100644 --- a/src/tools/clippy/clippy_lints/src/utils/author.rs +++ b/src/tools/clippy/clippy_lints/src/utils/author.rs @@ -348,7 +348,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { IntTy::I128 => "I128", }; format!("LitIntType::Signed(IntTy::{t})") - } + }, LitIntType::Unsigned(uint_ty) => { let t = match uint_ty { UintTy::Usize => "Usize", @@ -359,7 +359,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { UintTy::U128 => "U128", }; format!("LitIntType::Unsigned(UintTy::{t})") - } + }, LitIntType::Unsuffixed => String::from("LitIntType::Unsuffixed"), }; kind!("Int({i}, {int_ty})"); @@ -374,7 +374,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { FloatTy::F128 => "F128", }; format!("LitFloatType::Suffixed(FloatTy::{t})") - } + }, LitFloatType::Unsuffixed => String::from("LitFloatType::Unsuffixed"), }; kind!("Float(_, {float_ty})"); diff --git a/src/tools/clippy/clippy_lints/src/wildcard_imports.rs b/src/tools/clippy/clippy_lints/src/wildcard_imports.rs index 22fd15d153a..a2523b5fb07 100644 --- a/src/tools/clippy/clippy_lints/src/wildcard_imports.rs +++ b/src/tools/clippy/clippy_lints/src/wildcard_imports.rs @@ -118,7 +118,7 @@ impl_lint_pass!(WildcardImports => [ENUM_GLOB_USE, WILDCARD_IMPORTS]); impl LateLintPass<'_> for WildcardImports { fn check_item(&mut self, cx: &LateContext<'_>, item: &Item<'_>) { - if cx.sess().is_test_crate() { + if cx.sess().is_test_crate() || item.span.in_external_macro(cx.sess().source_map()) { return; } diff --git a/src/tools/clippy/clippy_lints_internal/src/derive_deserialize_allowing_unknown.rs b/src/tools/clippy/clippy_lints_internal/src/derive_deserialize_allowing_unknown.rs index e0ae0c11cc2..5e6a40ac2eb 100644 --- a/src/tools/clippy/clippy_lints_internal/src/derive_deserialize_allowing_unknown.rs +++ b/src/tools/clippy/clippy_lints_internal/src/derive_deserialize_allowing_unknown.rs @@ -2,12 +2,11 @@ use clippy_utils::diagnostics::span_lint; use clippy_utils::paths; use rustc_ast::tokenstream::{TokenStream, TokenTree}; use rustc_ast::{AttrStyle, DelimArgs}; -use rustc_hir::attrs::{AttributeKind}; -use rustc_hir::find_attr; +use rustc_hir::attrs::AttributeKind; use rustc_hir::def::Res; use rustc_hir::def_id::LocalDefId; use rustc_hir::{ - AttrArgs, AttrItem, AttrPath, Attribute, HirId, Impl, Item, ItemKind, Path, QPath, TraitRef, Ty, TyKind, + AttrArgs, AttrItem, AttrPath, Attribute, HirId, Impl, Item, ItemKind, Path, QPath, TraitRef, Ty, TyKind, find_attr, }; use rustc_lint::{LateContext, LateLintPass}; use rustc_lint_defs::declare_tool_lint; diff --git a/src/tools/clippy/clippy_test_deps/Cargo.lock b/src/tools/clippy/clippy_test_deps/Cargo.lock index 5be404f24e6..2f987c0137c 100644 --- a/src/tools/clippy/clippy_test_deps/Cargo.lock +++ b/src/tools/clippy/clippy_test_deps/Cargo.lock @@ -70,7 +70,6 @@ name = "clippy_test_deps" version = "0.1.0" dependencies = [ "futures", - "if_chain", "itertools", "libc", "parking_lot", @@ -183,12 +182,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "07e28edb80900c19c28f1072f2e8aeca7fa06b23cd4169cefe1af5aa3260783f" [[package]] -name = "if_chain" -version = "1.0.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "cb56e1aa765b4b4f3aadfab769793b7087bb03a4ea4920644a6d238e2df5b9ed" - -[[package]] name = "io-uring" version = "0.7.8" source = "registry+https://github.com/rust-lang/crates.io-index" diff --git a/src/tools/clippy/clippy_test_deps/Cargo.toml b/src/tools/clippy/clippy_test_deps/Cargo.toml index fcedc5d4843..e449b48bc46 100644 --- a/src/tools/clippy/clippy_test_deps/Cargo.toml +++ b/src/tools/clippy/clippy_test_deps/Cargo.toml @@ -9,7 +9,6 @@ edition = "2021" libc = "0.2" regex = "1.5.5" serde = { version = "1.0.145", features = ["derive"] } -if_chain = "1.0" quote = "1.0.25" syn = { version = "2.0", features = ["full"] } futures = "0.3" diff --git a/src/tools/clippy/clippy_utils/Cargo.toml b/src/tools/clippy/clippy_utils/Cargo.toml index 73291aa8cdf..bdf7431f29f 100644 --- a/src/tools/clippy/clippy_utils/Cargo.toml +++ b/src/tools/clippy/clippy_utils/Cargo.toml @@ -1,6 +1,6 @@ [package] name = "clippy_utils" -version = "0.1.90" +version = "0.1.91" edition = "2024" description = "Helpful tools for writing lints, provided as they are used in Clippy" repository = "https://github.com/rust-lang/rust-clippy" diff --git a/src/tools/clippy/clippy_utils/README.md b/src/tools/clippy/clippy_utils/README.md index 19e71f6af1d..6d8dd92d55d 100644 --- a/src/tools/clippy/clippy_utils/README.md +++ b/src/tools/clippy/clippy_utils/README.md @@ -8,7 +8,7 @@ This crate is only guaranteed to build with this `nightly` toolchain: <!-- begin autogenerated nightly --> ``` -nightly-2025-07-25 +nightly-2025-08-07 ``` <!-- end autogenerated nightly --> diff --git a/src/tools/clippy/clippy_utils/src/attrs.rs b/src/tools/clippy/clippy_utils/src/attrs.rs index 4ccd9c5300b..2d42e76dcbc 100644 --- a/src/tools/clippy/clippy_utils/src/attrs.rs +++ b/src/tools/clippy/clippy_utils/src/attrs.rs @@ -2,9 +2,9 @@ use crate::source::SpanRangeExt; use crate::{sym, tokenize_with_text}; use rustc_ast::attr; use rustc_ast::attr::AttributeExt; -use rustc_hir::attrs::{AttributeKind}; -use rustc_hir::find_attr; use rustc_errors::Applicability; +use rustc_hir::attrs::AttributeKind; +use rustc_hir::find_attr; use rustc_lexer::TokenKind; use rustc_lint::LateContext; use rustc_middle::ty::{AdtDef, TyCtxt}; diff --git a/src/tools/clippy/clippy_utils/src/lib.rs b/src/tools/clippy/clippy_utils/src/lib.rs index 5b9b0ef3001..fc716d86fc6 100644 --- a/src/tools/clippy/clippy_utils/src/lib.rs +++ b/src/tools/clippy/clippy_utils/src/lib.rs @@ -83,19 +83,18 @@ pub use self::hir_utils::{ use core::mem; use core::ops::ControlFlow; use std::collections::hash_map::Entry; -use std::iter::{once, repeat_n}; +use std::iter::{once, repeat_n, zip}; use std::sync::{Mutex, MutexGuard, OnceLock}; use itertools::Itertools; use rustc_abi::Integer; use rustc_ast::ast::{self, LitKind, RangeLimits}; use rustc_ast::join_path_syms; -use rustc_hir::attrs::{AttributeKind}; -use rustc_hir::find_attr; use rustc_data_structures::fx::FxHashMap; use rustc_data_structures::packed::Pu128; use rustc_data_structures::unhash::UnindexMap; use rustc_hir::LangItem::{OptionNone, OptionSome, ResultErr, ResultOk}; +use rustc_hir::attrs::AttributeKind; use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::{DefId, LocalDefId, LocalModDefId}; use rustc_hir::definitions::{DefPath, DefPathData}; @@ -106,7 +105,7 @@ use rustc_hir::{ CoroutineKind, Destination, Expr, ExprField, ExprKind, FnDecl, FnRetTy, GenericArg, GenericArgs, HirId, Impl, ImplItem, ImplItemKind, Item, ItemKind, LangItem, LetStmt, MatchSource, Mutability, Node, OwnerId, OwnerNode, Param, Pat, PatExpr, PatExprKind, PatKind, Path, PathSegment, QPath, Stmt, StmtKind, TraitFn, TraitItem, - TraitItemKind, TraitRef, TyKind, UnOp, def, + TraitItemKind, TraitRef, TyKind, UnOp, def, find_attr, }; use rustc_lexer::{FrontmatterAllowed, TokenKind, tokenize}; use rustc_lint::{LateContext, Level, Lint, LintContext}; @@ -582,7 +581,7 @@ pub fn can_mut_borrow_both(cx: &LateContext<'_>, e1: &Expr<'_>, e2: &Expr<'_>) - return false; } - for (x1, x2) in s1.iter().zip(s2.iter()) { + for (x1, x2) in zip(&s1, &s2) { if expr_custom_deref_adjustment(cx, x1).is_some() || expr_custom_deref_adjustment(cx, x2).is_some() { return false; } @@ -1898,42 +1897,11 @@ pub fn is_must_use_func_call(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { /// * `|x| { return x; }` /// * `|(x, y)| (x, y)` /// * `|[x, y]| [x, y]` +/// * `|Foo(bar, baz)| Foo(bar, baz)` +/// * `|Foo { bar, baz }| Foo { bar, baz }` /// /// Consider calling [`is_expr_untyped_identity_function`] or [`is_expr_identity_function`] instead. fn is_body_identity_function(cx: &LateContext<'_>, func: &Body<'_>) -> bool { - fn check_pat(cx: &LateContext<'_>, pat: &Pat<'_>, expr: &Expr<'_>) -> bool { - if cx - .typeck_results() - .pat_binding_modes() - .get(pat.hir_id) - .is_some_and(|mode| matches!(mode.0, ByRef::Yes(_))) - { - // If the parameter is `(x, y)` of type `&(T, T)`, or `[x, y]` of type `&[T; 2]`, then - // due to match ergonomics, the inner patterns become references. Don't consider this - // the identity function as that changes types. - return false; - } - - match (pat.kind, expr.kind) { - (PatKind::Binding(_, id, _, _), _) => { - path_to_local_id(expr, id) && cx.typeck_results().expr_adjustments(expr).is_empty() - }, - (PatKind::Tuple(pats, dotdot), ExprKind::Tup(tup)) - if dotdot.as_opt_usize().is_none() && pats.len() == tup.len() => - { - pats.iter().zip(tup).all(|(pat, expr)| check_pat(cx, pat, expr)) - }, - (PatKind::Slice(before, slice, after), ExprKind::Array(arr)) - if slice.is_none() && before.len() + after.len() == arr.len() => - { - (before.iter().chain(after)) - .zip(arr) - .all(|(pat, expr)| check_pat(cx, pat, expr)) - }, - _ => false, - } - } - let [param] = func.params else { return false; }; @@ -1966,11 +1934,81 @@ fn is_body_identity_function(cx: &LateContext<'_>, func: &Body<'_>) -> bool { return false; } }, - _ => return check_pat(cx, param.pat, expr), + _ => return is_expr_identity_of_pat(cx, param.pat, expr, true), } } } +/// Checks if the given expression is an identity representation of the given pattern: +/// * `x` is the identity representation of `x` +/// * `(x, y)` is the identity representation of `(x, y)` +/// * `[x, y]` is the identity representation of `[x, y]` +/// * `Foo(bar, baz)` is the identity representation of `Foo(bar, baz)` +/// * `Foo { bar, baz }` is the identity representation of `Foo { bar, baz }` +/// +/// Note that `by_hir` is used to determine bindings are checked by their `HirId` or by their name. +/// This can be useful when checking patterns in `let` bindings or `match` arms. +pub fn is_expr_identity_of_pat(cx: &LateContext<'_>, pat: &Pat<'_>, expr: &Expr<'_>, by_hir: bool) -> bool { + if cx + .typeck_results() + .pat_binding_modes() + .get(pat.hir_id) + .is_some_and(|mode| matches!(mode.0, ByRef::Yes(_))) + { + // If the parameter is `(x, y)` of type `&(T, T)`, or `[x, y]` of type `&[T; 2]`, then + // due to match ergonomics, the inner patterns become references. Don't consider this + // the identity function as that changes types. + return false; + } + + // NOTE: we're inside a (function) body, so this won't ICE + let qpath_res = |qpath, hir| cx.typeck_results().qpath_res(qpath, hir); + + match (pat.kind, expr.kind) { + (PatKind::Binding(_, id, _, _), _) if by_hir => { + path_to_local_id(expr, id) && cx.typeck_results().expr_adjustments(expr).is_empty() + }, + (PatKind::Binding(_, _, ident, _), ExprKind::Path(QPath::Resolved(_, path))) => { + matches!(path.segments, [ segment] if segment.ident.name == ident.name) + }, + (PatKind::Tuple(pats, dotdot), ExprKind::Tup(tup)) + if dotdot.as_opt_usize().is_none() && pats.len() == tup.len() => + { + zip(pats, tup).all(|(pat, expr)| is_expr_identity_of_pat(cx, pat, expr, by_hir)) + }, + (PatKind::Slice(before, None, after), ExprKind::Array(arr)) if before.len() + after.len() == arr.len() => { + zip(before.iter().chain(after), arr).all(|(pat, expr)| is_expr_identity_of_pat(cx, pat, expr, by_hir)) + }, + (PatKind::TupleStruct(pat_ident, field_pats, dotdot), ExprKind::Call(ident, fields)) + if dotdot.as_opt_usize().is_none() && field_pats.len() == fields.len() => + { + // check ident + if let ExprKind::Path(ident) = &ident.kind + && qpath_res(&pat_ident, pat.hir_id) == qpath_res(ident, expr.hir_id) + // check fields + && zip(field_pats, fields).all(|(pat, expr)| is_expr_identity_of_pat(cx, pat, expr,by_hir)) + { + true + } else { + false + } + }, + (PatKind::Struct(pat_ident, field_pats, false), ExprKind::Struct(ident, fields, hir::StructTailExpr::None)) + if field_pats.len() == fields.len() => + { + // check ident + qpath_res(&pat_ident, pat.hir_id) == qpath_res(ident, expr.hir_id) + // check fields + && field_pats.iter().all(|field_pat| { + fields.iter().any(|field| { + field_pat.ident == field.ident && is_expr_identity_of_pat(cx, field_pat.pat, field.expr, by_hir) + }) + }) + }, + _ => false, + } +} + /// This is the same as [`is_expr_identity_function`], but does not consider closures /// with type annotations for its bindings (or similar) as identity functions: /// * `|x: u8| x` diff --git a/src/tools/clippy/clippy_utils/src/msrvs.rs b/src/tools/clippy/clippy_utils/src/msrvs.rs index 480e0687756..89a83e2c48f 100644 --- a/src/tools/clippy/clippy_utils/src/msrvs.rs +++ b/src/tools/clippy/clippy_utils/src/msrvs.rs @@ -1,8 +1,8 @@ use crate::sym; use rustc_ast::Attribute; use rustc_ast::attr::AttributeExt; -use rustc_hir::RustcVersion; use rustc_attr_parsing::parse_version; +use rustc_hir::RustcVersion; use rustc_lint::LateContext; use rustc_session::Session; use rustc_span::Symbol; diff --git a/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs b/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs index 79116eba971..68f0b5ea255 100644 --- a/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs +++ b/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs @@ -5,10 +5,10 @@ use crate::msrvs::{self, Msrv}; use hir::LangItem; -use rustc_hir::{RustcVersion, StableSince}; use rustc_const_eval::check_consts::ConstCx; use rustc_hir as hir; use rustc_hir::def_id::DefId; +use rustc_hir::{RustcVersion, StableSince}; use rustc_infer::infer::TyCtxtInferExt; use rustc_infer::traits::Obligation; use rustc_lint::LateContext; diff --git a/src/tools/clippy/clippy_utils/src/source.rs b/src/tools/clippy/clippy_utils/src/source.rs index 7d21336be1c..e675291b6f3 100644 --- a/src/tools/clippy/clippy_utils/src/source.rs +++ b/src/tools/clippy/clippy_utils/src/source.rs @@ -342,11 +342,8 @@ impl SourceFileRange { /// Attempts to get the text from the source file. This can fail if the source text isn't /// loaded. pub fn as_str(&self) -> Option<&str> { - self.sf - .src - .as_ref() - .map(|src| src.as_str()) - .or_else(|| self.sf.external_src.get().and_then(|src| src.get_source())) + (self.sf.src.as_ref().map(|src| src.as_str())) + .or_else(|| self.sf.external_src.get()?.get_source()) .and_then(|x| x.get(self.range.clone())) } } diff --git a/src/tools/clippy/clippy_utils/src/sugg.rs b/src/tools/clippy/clippy_utils/src/sugg.rs index 7a24d07fa1d..a63333c9b48 100644 --- a/src/tools/clippy/clippy_utils/src/sugg.rs +++ b/src/tools/clippy/clippy_utils/src/sugg.rs @@ -4,11 +4,11 @@ use crate::source::{snippet, snippet_opt, snippet_with_applicability, snippet_with_context}; use crate::ty::expr_sig; use crate::{get_parent_expr_for_hir, higher}; -use rustc_ast::ast; use rustc_ast::util::parser::AssocOp; +use rustc_ast::{UnOp, ast}; +use rustc_data_structures::fx::FxHashSet; use rustc_errors::Applicability; -use rustc_hir as hir; -use rustc_hir::{Closure, ExprKind, HirId, MutTy, TyKind}; +use rustc_hir::{self as hir, Closure, ExprKind, HirId, MutTy, Node, TyKind}; use rustc_hir_typeck::expr_use_visitor::{Delegate, ExprUseVisitor, PlaceBase, PlaceWithHirId}; use rustc_lint::{EarlyContext, LateContext, LintContext}; use rustc_middle::hir::place::ProjectionKind; @@ -29,6 +29,11 @@ pub enum Sugg<'a> { /// A binary operator expression, including `as`-casts and explicit type /// coercion. BinOp(AssocOp, Cow<'a, str>, Cow<'a, str>), + /// A unary operator expression. This is used to sometimes represent `!` + /// or `-`, but only if the type with and without the operator is kept identical. + /// It means that doubling the operator can be used to remove it instead, in + /// order to provide better suggestions. + UnOp(UnOp, Box<Sugg<'a>>), } /// Literal constant `0`, for convenience. @@ -40,9 +45,10 @@ pub const EMPTY: Sugg<'static> = Sugg::NonParen(Cow::Borrowed("")); impl Display for Sugg<'_> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> { - match *self { - Sugg::NonParen(ref s) | Sugg::MaybeParen(ref s) => s.fmt(f), - Sugg::BinOp(op, ref lhs, ref rhs) => binop_to_string(op, lhs, rhs).fmt(f), + match self { + Sugg::NonParen(s) | Sugg::MaybeParen(s) => s.fmt(f), + Sugg::BinOp(op, lhs, rhs) => binop_to_string(*op, lhs, rhs).fmt(f), + Sugg::UnOp(op, inner) => write!(f, "{}{}", op.as_str(), inner.clone().maybe_inner_paren()), } } } @@ -100,9 +106,19 @@ impl<'a> Sugg<'a> { applicability: &mut Applicability, ) -> Self { if expr.span.ctxt() == ctxt { - Self::hir_from_snippet(expr, |span| { - snippet_with_context(cx, span, ctxt, default, applicability).0 - }) + if let ExprKind::Unary(op, inner) = expr.kind + && matches!(op, UnOp::Neg | UnOp::Not) + && cx.typeck_results().expr_ty(expr) == cx.typeck_results().expr_ty(inner) + { + Sugg::UnOp( + op, + Box::new(Self::hir_with_context(cx, inner, ctxt, default, applicability)), + ) + } else { + Self::hir_from_snippet(expr, |span| { + snippet_with_context(cx, span, ctxt, default, applicability).0 + }) + } } else { let (snip, _) = snippet_with_context(cx, expr.span, ctxt, default, applicability); Sugg::NonParen(snip) @@ -341,6 +357,7 @@ impl<'a> Sugg<'a> { let sugg = binop_to_string(op, &lhs, &rhs); Sugg::NonParen(format!("({sugg})").into()) }, + Sugg::UnOp(op, inner) => Sugg::NonParen(format!("({}{})", op.as_str(), inner.maybe_inner_paren()).into()), } } @@ -348,6 +365,26 @@ impl<'a> Sugg<'a> { match self { Sugg::NonParen(p) | Sugg::MaybeParen(p) => p.into_owned(), Sugg::BinOp(b, l, r) => binop_to_string(b, &l, &r), + Sugg::UnOp(op, inner) => format!("{}{}", op.as_str(), inner.maybe_inner_paren()), + } + } + + /// Checks if `self` starts with a unary operator. + fn starts_with_unary_op(&self) -> bool { + match self { + Sugg::UnOp(..) => true, + Sugg::BinOp(..) => false, + Sugg::MaybeParen(s) | Sugg::NonParen(s) => s.starts_with(['*', '!', '-', '&']), + } + } + + /// Call `maybe_paren` on `self` if it doesn't start with a unary operator, + /// don't touch it otherwise. + fn maybe_inner_paren(self) -> Self { + if self.starts_with_unary_op() { + self + } else { + self.maybe_paren() } } } @@ -430,10 +467,11 @@ impl Sub for &Sugg<'_> { forward_binop_impls_to_ref!(impl Add, add for Sugg<'_>, type Output = Sugg<'static>); forward_binop_impls_to_ref!(impl Sub, sub for Sugg<'_>, type Output = Sugg<'static>); -impl Neg for Sugg<'_> { - type Output = Sugg<'static>; - fn neg(self) -> Sugg<'static> { - match &self { +impl<'a> Neg for Sugg<'a> { + type Output = Sugg<'a>; + fn neg(self) -> Self::Output { + match self { + Self::UnOp(UnOp::Neg, sugg) => *sugg, Self::BinOp(AssocOp::Cast, ..) => Sugg::MaybeParen(format!("-({self})").into()), _ => make_unop("-", self), } @@ -446,19 +484,21 @@ impl<'a> Not for Sugg<'a> { use AssocOp::Binary; use ast::BinOpKind::{Eq, Ge, Gt, Le, Lt, Ne}; - if let Sugg::BinOp(op, lhs, rhs) = self { - let to_op = match op { - Binary(Eq) => Binary(Ne), - Binary(Ne) => Binary(Eq), - Binary(Lt) => Binary(Ge), - Binary(Ge) => Binary(Lt), - Binary(Gt) => Binary(Le), - Binary(Le) => Binary(Gt), - _ => return make_unop("!", Sugg::BinOp(op, lhs, rhs)), - }; - Sugg::BinOp(to_op, lhs, rhs) - } else { - make_unop("!", self) + match self { + Sugg::BinOp(op, lhs, rhs) => { + let to_op = match op { + Binary(Eq) => Binary(Ne), + Binary(Ne) => Binary(Eq), + Binary(Lt) => Binary(Ge), + Binary(Ge) => Binary(Lt), + Binary(Gt) => Binary(Le), + Binary(Le) => Binary(Gt), + _ => return make_unop("!", Sugg::BinOp(op, lhs, rhs)), + }; + Sugg::BinOp(to_op, lhs, rhs) + }, + Sugg::UnOp(UnOp::Not, expr) => *expr, + _ => make_unop("!", self), } } } @@ -491,20 +531,11 @@ impl<T: Display> Display for ParenHelper<T> { /// Builds the string for `<op><expr>` adding parenthesis when necessary. /// /// For convenience, the operator is taken as a string because all unary -/// operators have the same -/// precedence. +/// operators have the same precedence. pub fn make_unop(op: &str, expr: Sugg<'_>) -> Sugg<'static> { - // If the `expr` starts with `op` already, do not add wrap it in + // If the `expr` starts with a unary operator already, do not wrap it in // parentheses. - let expr = if let Sugg::MaybeParen(ref sugg) = expr - && !has_enclosing_paren(sugg) - && sugg.starts_with(op) - { - expr - } else { - expr.maybe_paren() - }; - Sugg::MaybeParen(format!("{op}{expr}").into()) + Sugg::MaybeParen(format!("{op}{}", expr.maybe_inner_paren()).into()) } /// Builds the string for `<lhs> <op> <rhs>` adding parenthesis when necessary. @@ -753,8 +784,10 @@ pub fn deref_closure_args(cx: &LateContext<'_>, closure: &hir::Expr<'_>) -> Opti let mut visitor = DerefDelegate { cx, closure_span: closure.span, + closure_arg_id: closure_body.params[0].pat.hir_id, closure_arg_is_type_annotated_double_ref, next_pos: closure.span.lo(), + checked_borrows: FxHashSet::default(), suggestion_start: String::new(), applicability: Applicability::MachineApplicable, }; @@ -780,10 +813,15 @@ struct DerefDelegate<'a, 'tcx> { cx: &'a LateContext<'tcx>, /// The span of the input closure to adapt closure_span: Span, + /// The `hir_id` of the closure argument being checked + closure_arg_id: HirId, /// Indicates if the arg of the closure is a type annotated double reference closure_arg_is_type_annotated_double_ref: bool, /// last position of the span to gradually build the suggestion next_pos: BytePos, + /// `hir_id`s that has been checked. This is used to avoid checking the same `hir_id` multiple + /// times when inside macro expansions. + checked_borrows: FxHashSet<HirId>, /// starting part of the gradually built suggestion suggestion_start: String, /// confidence on the built suggestion @@ -847,9 +885,15 @@ impl<'tcx> Delegate<'tcx> for DerefDelegate<'_, 'tcx> { fn use_cloned(&mut self, _: &PlaceWithHirId<'tcx>, _: HirId) {} + #[expect(clippy::too_many_lines)] fn borrow(&mut self, cmt: &PlaceWithHirId<'tcx>, _: HirId, _: ty::BorrowKind) { if let PlaceBase::Local(id) = cmt.place.base { let span = self.cx.tcx.hir_span(cmt.hir_id); + if !self.checked_borrows.insert(cmt.hir_id) { + // already checked this span and hir_id, skip + return; + } + let start_span = Span::new(self.next_pos, span.lo(), span.ctxt(), None); let mut start_snip = snippet_with_applicability(self.cx, start_span, "..", &mut self.applicability); @@ -858,7 +902,12 @@ impl<'tcx> Delegate<'tcx> for DerefDelegate<'_, 'tcx> { // full identifier that includes projection (i.e.: `fp.field`) let ident_str_with_proj = snippet(self.cx, span, "..").to_string(); - if cmt.place.projections.is_empty() { + // Make sure to get in all projections if we're on a `matches!` + if let Node::Pat(pat) = self.cx.tcx.hir_node(id) + && pat.hir_id != self.closure_arg_id + { + let _ = write!(self.suggestion_start, "{start_snip}{ident_str_with_proj}"); + } else if cmt.place.projections.is_empty() { // handle item without any projection, that needs an explicit borrowing // i.e.: suggest `&x` instead of `x` let _: fmt::Result = write!(self.suggestion_start, "{start_snip}&{ident_str}"); diff --git a/src/tools/clippy/clippy_utils/src/sym.rs b/src/tools/clippy/clippy_utils/src/sym.rs index 934be97d94e..ce7cc9348fb 100644 --- a/src/tools/clippy/clippy_utils/src/sym.rs +++ b/src/tools/clippy/clippy_utils/src/sym.rs @@ -171,7 +171,6 @@ generate! { has_significant_drop, hidden_glob_reexports, hygiene, - if_chain, insert, inspect, int_roundings, diff --git a/src/tools/clippy/clippy_utils/src/ty/mod.rs b/src/tools/clippy/clippy_utils/src/ty/mod.rs index 02a8eda5893..d79773f8321 100644 --- a/src/tools/clippy/clippy_utils/src/ty/mod.rs +++ b/src/tools/clippy/clippy_utils/src/ty/mod.rs @@ -6,13 +6,12 @@ use core::ops::ControlFlow; use itertools::Itertools; use rustc_abi::VariantIdx; use rustc_ast::ast::Mutability; -use rustc_hir::attrs::{AttributeKind}; -use rustc_hir::find_attr; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_hir as hir; +use rustc_hir::attrs::AttributeKind; use rustc_hir::def::{CtorKind, CtorOf, DefKind, Res}; use rustc_hir::def_id::DefId; -use rustc_hir::{Expr, FnDecl, LangItem, TyKind}; +use rustc_hir::{Expr, FnDecl, LangItem, TyKind, find_attr}; use rustc_hir_analysis::lower_ty; use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::LateContext; @@ -583,7 +582,7 @@ pub fn all_predicates_of(tcx: TyCtxt<'_>, id: DefId) -> impl Iterator<Item = &(t } /// A signature for a function like type. -#[derive(Clone, Copy)] +#[derive(Clone, Copy, Debug)] pub enum ExprFnSig<'tcx> { Sig(Binder<'tcx, FnSig<'tcx>>, Option<DefId>), Closure(Option<&'tcx FnDecl<'tcx>>, Binder<'tcx, FnSig<'tcx>>), diff --git a/src/tools/clippy/declare_clippy_lint/Cargo.toml b/src/tools/clippy/declare_clippy_lint/Cargo.toml index bd6b4dfdee4..ec0e59e7054 100644 --- a/src/tools/clippy/declare_clippy_lint/Cargo.toml +++ b/src/tools/clippy/declare_clippy_lint/Cargo.toml @@ -1,6 +1,6 @@ [package] name = "declare_clippy_lint" -version = "0.1.90" +version = "0.1.91" edition = "2024" repository = "https://github.com/rust-lang/rust-clippy" license = "MIT OR Apache-2.0" diff --git a/src/tools/clippy/lintcheck/src/input.rs b/src/tools/clippy/lintcheck/src/input.rs index 408a2e087af..1ed059d2fb1 100644 --- a/src/tools/clippy/lintcheck/src/input.rs +++ b/src/tools/clippy/lintcheck/src/input.rs @@ -117,7 +117,7 @@ pub fn read_crates(toml_path: &Path) -> (Vec<CrateWithSource>, RecursiveOptions) crate_sources.push(CrateWithSource { name: tk.name.clone(), source: CrateSource::CratesIo { - version: version.to_string(), + version: version.clone(), }, file_link: tk.file_link(DEFAULT_DOCS_LINK), options: tk.options.clone(), diff --git a/src/tools/clippy/lintcheck/src/json.rs b/src/tools/clippy/lintcheck/src/json.rs index 808997ff022..79c1255c5ff 100644 --- a/src/tools/clippy/lintcheck/src/json.rs +++ b/src/tools/clippy/lintcheck/src/json.rs @@ -66,7 +66,7 @@ impl fmt::Display for Summary { } in &self.0 { let html_id = to_html_id(name); - writeln!(f, "| [`{name}`](#{html_id}) | {added} | {changed} | {removed} |")?; + writeln!(f, "| [`{name}`](#{html_id}) | {added} | {removed} | {changed} |")?; } Ok(()) diff --git a/src/tools/clippy/lintcheck/src/output.rs b/src/tools/clippy/lintcheck/src/output.rs index d7fe0915121..1ecc3f7c249 100644 --- a/src/tools/clippy/lintcheck/src/output.rs +++ b/src/tools/clippy/lintcheck/src/output.rs @@ -220,7 +220,7 @@ fn print_stats(old_stats: HashMap<String, usize>, new_stats: HashMap<&String, us let same_in_both_hashmaps = old_stats .iter() .filter(|(old_key, old_val)| new_stats.get::<&String>(old_key) == Some(old_val)) - .map(|(k, v)| (k.to_string(), *v)) + .map(|(k, v)| (k.clone(), *v)) .collect::<Vec<(String, usize)>>(); let mut old_stats_deduped = old_stats; diff --git a/src/tools/clippy/rust-toolchain.toml b/src/tools/clippy/rust-toolchain.toml index 0edb80edd04..ac51ec2d61b 100644 --- a/src/tools/clippy/rust-toolchain.toml +++ b/src/tools/clippy/rust-toolchain.toml @@ -1,6 +1,6 @@ [toolchain] # begin autogenerated nightly -channel = "nightly-2025-07-25" +channel = "nightly-2025-08-07" # end autogenerated nightly components = ["cargo", "llvm-tools", "rust-src", "rust-std", "rustc", "rustc-dev", "rustfmt"] profile = "minimal" diff --git a/src/tools/clippy/tests/compile-test.rs b/src/tools/clippy/tests/compile-test.rs index 464efc45c6b..6b6dfd7b81e 100644 --- a/src/tools/clippy/tests/compile-test.rs +++ b/src/tools/clippy/tests/compile-test.rs @@ -73,8 +73,7 @@ fn internal_extern_flags() -> Vec<String> { && INTERNAL_TEST_DEPENDENCIES.contains(&name) { // A dependency may be listed twice if it is available in sysroot, - // and the sysroot dependencies are listed first. As of the writing, - // this only seems to apply to if_chain. + // and the sysroot dependencies are listed first. crates.insert(name, path); } } @@ -434,6 +433,7 @@ fn ui_cargo_toml_metadata() { #[derive(Template)] #[template(path = "index_template.html")] struct Renderer<'a> { + count: usize, lints: &'a Vec<LintMetadata>, } @@ -513,7 +513,12 @@ impl DiagnosticCollector { fs::write( "util/gh-pages/index.html", - Renderer { lints: &metadata }.render().unwrap(), + Renderer { + count: LINTS.len(), + lints: &metadata, + } + .render() + .unwrap(), ) .unwrap(); }); diff --git a/src/tools/clippy/tests/symbols-used.rs b/src/tools/clippy/tests/symbols-used.rs index bc0456711fb..a1049ba64d5 100644 --- a/src/tools/clippy/tests/symbols-used.rs +++ b/src/tools/clippy/tests/symbols-used.rs @@ -75,7 +75,7 @@ fn all_symbols_are_used() -> Result<()> { for sym in extra { eprintln!(" - {sym}"); } - Err(format!("extra symbols found — remove them {SYM_FILE}"))?; + Err(format!("extra symbols found — remove them from {SYM_FILE}"))?; } Ok(()) } diff --git a/src/tools/clippy/tests/ui-cargo/cargo_rust_version/fail_file_attr/Cargo.stderr b/src/tools/clippy/tests/ui-cargo/cargo_rust_version/fail_file_attr/Cargo.stderr index 14a6b5047b1..666b842bf80 100644 --- a/src/tools/clippy/tests/ui-cargo/cargo_rust_version/fail_file_attr/Cargo.stderr +++ b/src/tools/clippy/tests/ui-cargo/cargo_rust_version/fail_file_attr/Cargo.stderr @@ -7,7 +7,7 @@ error: unnecessary structure name repetition note: the lint level is defined here --> src/main.rs:6:9 | -6 | #![deny(clippy::use_self)] + 6 | #![deny(clippy::use_self)] | ^^^^^^^^^^^^^^^^ error: unnecessary structure name repetition diff --git a/src/tools/clippy/tests/ui-cargo/duplicate_mod/fail/Cargo.stderr b/src/tools/clippy/tests/ui-cargo/duplicate_mod/fail/Cargo.stderr index b626551e35b..8db52c47ad5 100644 --- a/src/tools/clippy/tests/ui-cargo/duplicate_mod/fail/Cargo.stderr +++ b/src/tools/clippy/tests/ui-cargo/duplicate_mod/fail/Cargo.stderr @@ -14,10 +14,10 @@ error: file is loaded as a module multiple times: `src/b.rs` error: file is loaded as a module multiple times: `src/c.rs` --> src/main.rs:7:1 | -7 | mod c; + 7 | mod c; | ^^^^^^ first loaded here -8 | / #[path = "c.rs"] -9 | | mod c2; + 8 | / #[path = "c.rs"] + 9 | | mod c2; | |_______^ loaded again here 10 | / #[path = "c.rs"] 11 | | mod c3; @@ -44,8 +44,8 @@ error: file is loaded as a module multiple times: `src/from_other_module.rs` | ::: src/other_module/mod.rs:1:1 | -1 | / #[path = "../from_other_module.rs"] -2 | | mod m; + 1 | / #[path = "../from_other_module.rs"] + 2 | | mod m; | |______^ loaded again here | = help: replace all but one `mod` item with `use` items diff --git a/src/tools/clippy/tests/ui-cargo/lint_groups_priority/fail/Cargo.stderr b/src/tools/clippy/tests/ui-cargo/lint_groups_priority/fail/Cargo.stderr index 059427d8ee0..a87339a9a30 100644 --- a/src/tools/clippy/tests/ui-cargo/lint_groups_priority/fail/Cargo.stderr +++ b/src/tools/clippy/tests/ui-cargo/lint_groups_priority/fail/Cargo.stderr @@ -1,7 +1,7 @@ error: lint group `rust_2018_idioms` has the same priority (0) as a lint --> Cargo.toml:7:1 | -7 | rust_2018_idioms = "warn" + 7 | rust_2018_idioms = "warn" | ^^^^^^^^^^^^^^^^ ------ has an implicit priority of 0 ... 12 | unused_attributes = { level = "allow" } @@ -11,8 +11,8 @@ error: lint group `rust_2018_idioms` has the same priority (0) as a lint = note: `#[deny(clippy::lint_groups_priority)]` on by default help: to have lints override the group set `rust_2018_idioms` to a lower priority | -7 - rust_2018_idioms = "warn" -7 + rust_2018_idioms = { level = "warn", priority = -1 } + 7 - rust_2018_idioms = "warn" + 7 + rust_2018_idioms = { level = "warn", priority = -1 } | error: lint group `unused` has the same priority (0) as a lint diff --git a/src/tools/clippy/tests/ui-toml/wildcard_imports/wildcard_imports.fixed b/src/tools/clippy/tests/ui-toml/wildcard_imports/wildcard_imports.fixed index 20511cbed16..ec9fbcfd4a3 100644 --- a/src/tools/clippy/tests/ui-toml/wildcard_imports/wildcard_imports.fixed +++ b/src/tools/clippy/tests/ui-toml/wildcard_imports/wildcard_imports.fixed @@ -1,3 +1,4 @@ +//@aux-build:../../ui/auxiliary/proc_macros.rs #![warn(clippy::wildcard_imports)] mod prelude { @@ -13,6 +14,10 @@ mod my_crate { pub mod utils { pub fn my_util_fn() {} } + + pub mod utils2 { + pub const SOME_CONST: u32 = 1; + } } pub use utils::{BAR, print}; @@ -22,6 +27,12 @@ use my_crate::utils::my_util_fn; use prelude::FOO; //~^ ERROR: usage of wildcard import +proc_macros::external! { + use my_crate::utils2::*; + + static SOME_STATIC: u32 = SOME_CONST; +} + fn main() { let _ = FOO; let _ = BAR; diff --git a/src/tools/clippy/tests/ui-toml/wildcard_imports/wildcard_imports.rs b/src/tools/clippy/tests/ui-toml/wildcard_imports/wildcard_imports.rs index 8d05910f471..233ee19f89b 100644 --- a/src/tools/clippy/tests/ui-toml/wildcard_imports/wildcard_imports.rs +++ b/src/tools/clippy/tests/ui-toml/wildcard_imports/wildcard_imports.rs @@ -1,3 +1,4 @@ +//@aux-build:../../ui/auxiliary/proc_macros.rs #![warn(clippy::wildcard_imports)] mod prelude { @@ -13,6 +14,10 @@ mod my_crate { pub mod utils { pub fn my_util_fn() {} } + + pub mod utils2 { + pub const SOME_CONST: u32 = 1; + } } pub use utils::*; @@ -22,6 +27,12 @@ use my_crate::utils::*; use prelude::*; //~^ ERROR: usage of wildcard import +proc_macros::external! { + use my_crate::utils2::*; + + static SOME_STATIC: u32 = SOME_CONST; +} + fn main() { let _ = FOO; let _ = BAR; diff --git a/src/tools/clippy/tests/ui-toml/wildcard_imports/wildcard_imports.stderr b/src/tools/clippy/tests/ui-toml/wildcard_imports/wildcard_imports.stderr index 5e624dd6c3c..5d37cb705f5 100644 --- a/src/tools/clippy/tests/ui-toml/wildcard_imports/wildcard_imports.stderr +++ b/src/tools/clippy/tests/ui-toml/wildcard_imports/wildcard_imports.stderr @@ -1,5 +1,5 @@ error: usage of wildcard import - --> tests/ui-toml/wildcard_imports/wildcard_imports.rs:18:9 + --> tests/ui-toml/wildcard_imports/wildcard_imports.rs:23:9 | LL | pub use utils::*; | ^^^^^^^^ help: try: `utils::{BAR, print}` @@ -8,13 +8,13 @@ LL | pub use utils::*; = help: to override `-D warnings` add `#[allow(clippy::wildcard_imports)]` error: usage of wildcard import - --> tests/ui-toml/wildcard_imports/wildcard_imports.rs:20:5 + --> tests/ui-toml/wildcard_imports/wildcard_imports.rs:25:5 | LL | use my_crate::utils::*; | ^^^^^^^^^^^^^^^^^^ help: try: `my_crate::utils::my_util_fn` error: usage of wildcard import - --> tests/ui-toml/wildcard_imports/wildcard_imports.rs:22:5 + --> tests/ui-toml/wildcard_imports/wildcard_imports.rs:27:5 | LL | use prelude::*; | ^^^^^^^^^^ help: try: `prelude::FOO` diff --git a/src/tools/clippy/tests/ui/cast_lossless_integer_unfixable.rs b/src/tools/clippy/tests/ui/cast_lossless_integer_unfixable.rs new file mode 100644 index 00000000000..db9cbbb5b66 --- /dev/null +++ b/src/tools/clippy/tests/ui/cast_lossless_integer_unfixable.rs @@ -0,0 +1,17 @@ +//@check-pass +#![warn(clippy::cast_lossless)] + +fn issue15348() { + macro_rules! zero { + ($int:ty) => {{ + let data: [u8; 3] = [0, 0, 0]; + data[0] as $int + }}; + } + + let _ = zero!(u8); + let _ = zero!(u16); + let _ = zero!(u32); + let _ = zero!(u64); + let _ = zero!(u128); +} diff --git a/src/tools/clippy/tests/ui/collapsible_else_if.fixed b/src/tools/clippy/tests/ui/collapsible_else_if.fixed index fed75244c6f..3d709fe9b8e 100644 --- a/src/tools/clippy/tests/ui/collapsible_else_if.fixed +++ b/src/tools/clippy/tests/ui/collapsible_else_if.fixed @@ -104,3 +104,25 @@ fn issue14799() { } } } + +fn in_parens() { + let x = "hello"; + let y = "world"; + + if x == "hello" { + print!("Hello "); + } else if y == "world" { println!("world") } else { println!("!") } + //~^^^ collapsible_else_if +} + +fn in_brackets() { + let x = "hello"; + let y = "world"; + + // There is no lint when the inner `if` is in a block. + if x == "hello" { + print!("Hello "); + } else { + { if y == "world" { println!("world") } else { println!("!") } } + } +} diff --git a/src/tools/clippy/tests/ui/collapsible_else_if.rs b/src/tools/clippy/tests/ui/collapsible_else_if.rs index e50e781fb69..51868e03908 100644 --- a/src/tools/clippy/tests/ui/collapsible_else_if.rs +++ b/src/tools/clippy/tests/ui/collapsible_else_if.rs @@ -120,3 +120,27 @@ fn issue14799() { } } } + +fn in_parens() { + let x = "hello"; + let y = "world"; + + if x == "hello" { + print!("Hello "); + } else { + (if y == "world" { println!("world") } else { println!("!") }) + } + //~^^^ collapsible_else_if +} + +fn in_brackets() { + let x = "hello"; + let y = "world"; + + // There is no lint when the inner `if` is in a block. + if x == "hello" { + print!("Hello "); + } else { + { if y == "world" { println!("world") } else { println!("!") } } + } +} diff --git a/src/tools/clippy/tests/ui/collapsible_else_if.stderr b/src/tools/clippy/tests/ui/collapsible_else_if.stderr index 7d80894cadb..1a7bcec7fd5 100644 --- a/src/tools/clippy/tests/ui/collapsible_else_if.stderr +++ b/src/tools/clippy/tests/ui/collapsible_else_if.stderr @@ -150,5 +150,14 @@ LL | | if false {} LL | | } | |_____^ help: collapse nested if block: `if false {}` -error: aborting due to 8 previous errors +error: this `else { if .. }` block can be collapsed + --> tests/ui/collapsible_else_if.rs:130:12 + | +LL | } else { + | ____________^ +LL | | (if y == "world" { println!("world") } else { println!("!") }) +LL | | } + | |_____^ help: collapse nested if block: `if y == "world" { println!("world") } else { println!("!") }` + +error: aborting due to 9 previous errors diff --git a/src/tools/clippy/tests/ui/collapsible_if.fixed b/src/tools/clippy/tests/ui/collapsible_if.fixed index 77bc791ea8e..78354c2d7cf 100644 --- a/src/tools/clippy/tests/ui/collapsible_if.fixed +++ b/src/tools/clippy/tests/ui/collapsible_if.fixed @@ -163,3 +163,21 @@ fn issue14799() { if true {} }; } + +fn in_parens() { + if true + && true { + println!("In parens, linted"); + } + //~^^^^^ collapsible_if +} + +fn in_brackets() { + if true { + { + if true { + println!("In brackets, not linted"); + } + } + } +} diff --git a/src/tools/clippy/tests/ui/collapsible_if.rs b/src/tools/clippy/tests/ui/collapsible_if.rs index d30df157d5e..5d9afa10956 100644 --- a/src/tools/clippy/tests/ui/collapsible_if.rs +++ b/src/tools/clippy/tests/ui/collapsible_if.rs @@ -173,3 +173,22 @@ fn issue14799() { if true {} }; } + +fn in_parens() { + if true { + (if true { + println!("In parens, linted"); + }) + } + //~^^^^^ collapsible_if +} + +fn in_brackets() { + if true { + { + if true { + println!("In brackets, not linted"); + } + } + } +} diff --git a/src/tools/clippy/tests/ui/collapsible_if.stderr b/src/tools/clippy/tests/ui/collapsible_if.stderr index 32c6b019403..a685cc2e929 100644 --- a/src/tools/clippy/tests/ui/collapsible_if.stderr +++ b/src/tools/clippy/tests/ui/collapsible_if.stderr @@ -190,5 +190,23 @@ LL | // This is a comment, do not collapse code to it LL ~ ; 3 | -error: aborting due to 11 previous errors +error: this `if` statement can be collapsed + --> tests/ui/collapsible_if.rs:178:5 + | +LL | / if true { +LL | | (if true { +LL | | println!("In parens, linted"); +LL | | }) +LL | | } + | |_____^ + | +help: collapse nested if block + | +LL ~ if true +LL ~ && true { +LL | println!("In parens, linted"); +LL ~ } + | + +error: aborting due to 12 previous errors diff --git a/src/tools/clippy/tests/ui/deprecated.rs b/src/tools/clippy/tests/ui/deprecated.rs index 6b69bdd29ce..9743a83fb93 100644 --- a/src/tools/clippy/tests/ui/deprecated.rs +++ b/src/tools/clippy/tests/ui/deprecated.rs @@ -12,6 +12,7 @@ #![warn(clippy::regex_macro)] //~ ERROR: lint `clippy::regex_macro` #![warn(clippy::replace_consts)] //~ ERROR: lint `clippy::replace_consts` #![warn(clippy::should_assert_eq)] //~ ERROR: lint `clippy::should_assert_eq` +#![warn(clippy::string_to_string)] //~ ERROR: lint `clippy::string_to_string` #![warn(clippy::unsafe_vector_initialization)] //~ ERROR: lint `clippy::unsafe_vector_initialization` #![warn(clippy::unstable_as_mut_slice)] //~ ERROR: lint `clippy::unstable_as_mut_slice` #![warn(clippy::unstable_as_slice)] //~ ERROR: lint `clippy::unstable_as_slice` diff --git a/src/tools/clippy/tests/ui/deprecated.stderr b/src/tools/clippy/tests/ui/deprecated.stderr index 07e59d33d60..cd225da611c 100644 --- a/src/tools/clippy/tests/ui/deprecated.stderr +++ b/src/tools/clippy/tests/ui/deprecated.stderr @@ -61,35 +61,41 @@ error: lint `clippy::should_assert_eq` has been removed: `assert!(a == b)` can n LL | #![warn(clippy::should_assert_eq)] | ^^^^^^^^^^^^^^^^^^^^^^^^ -error: lint `clippy::unsafe_vector_initialization` has been removed: the suggested alternative could be substantially slower +error: lint `clippy::string_to_string` has been removed: `clippy:implicit_clone` covers those cases --> tests/ui/deprecated.rs:15:9 | +LL | #![warn(clippy::string_to_string)] + | ^^^^^^^^^^^^^^^^^^^^^^^^ + +error: lint `clippy::unsafe_vector_initialization` has been removed: the suggested alternative could be substantially slower + --> tests/ui/deprecated.rs:16:9 + | LL | #![warn(clippy::unsafe_vector_initialization)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: lint `clippy::unstable_as_mut_slice` has been removed: `Vec::as_mut_slice` is now stable - --> tests/ui/deprecated.rs:16:9 + --> tests/ui/deprecated.rs:17:9 | LL | #![warn(clippy::unstable_as_mut_slice)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: lint `clippy::unstable_as_slice` has been removed: `Vec::as_slice` is now stable - --> tests/ui/deprecated.rs:17:9 + --> tests/ui/deprecated.rs:18:9 | LL | #![warn(clippy::unstable_as_slice)] | ^^^^^^^^^^^^^^^^^^^^^^^^^ error: lint `clippy::unused_collect` has been removed: `Iterator::collect` is now marked as `#[must_use]` - --> tests/ui/deprecated.rs:18:9 + --> tests/ui/deprecated.rs:19:9 | LL | #![warn(clippy::unused_collect)] | ^^^^^^^^^^^^^^^^^^^^^^ error: lint `clippy::wrong_pub_self_convention` has been removed: `clippy::wrong_self_convention` now covers this case via the `avoid-breaking-exported-api` config - --> tests/ui/deprecated.rs:19:9 + --> tests/ui/deprecated.rs:20:9 | LL | #![warn(clippy::wrong_pub_self_convention)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: aborting due to 15 previous errors +error: aborting due to 16 previous errors diff --git a/src/tools/clippy/tests/ui/doc/doc-fixable.fixed b/src/tools/clippy/tests/ui/doc/doc-fixable.fixed index 8cf20d8b1a1..bbbd5973036 100644 --- a/src/tools/clippy/tests/ui/doc/doc-fixable.fixed +++ b/src/tools/clippy/tests/ui/doc/doc-fixable.fixed @@ -83,7 +83,7 @@ fn test_units() { /// WebGL WebGL2 WebGPU WebRTC WebSocket WebTransport /// TensorFlow /// TrueType -/// iOS macOS FreeBSD NetBSD OpenBSD +/// iOS macOS FreeBSD NetBSD OpenBSD NixOS /// TeX LaTeX BibTeX BibLaTeX /// MinGW /// CamelCase (see also #2395) diff --git a/src/tools/clippy/tests/ui/doc/doc-fixable.rs b/src/tools/clippy/tests/ui/doc/doc-fixable.rs index 5b6f2bd8330..1077d3580d3 100644 --- a/src/tools/clippy/tests/ui/doc/doc-fixable.rs +++ b/src/tools/clippy/tests/ui/doc/doc-fixable.rs @@ -83,7 +83,7 @@ fn test_units() { /// WebGL WebGL2 WebGPU WebRTC WebSocket WebTransport /// TensorFlow /// TrueType -/// iOS macOS FreeBSD NetBSD OpenBSD +/// iOS macOS FreeBSD NetBSD OpenBSD NixOS /// TeX LaTeX BibTeX BibLaTeX /// MinGW /// CamelCase (see also #2395) diff --git a/src/tools/clippy/tests/ui/duplicated_attributes.rs b/src/tools/clippy/tests/ui/duplicated_attributes.rs index 3ca91d6f182..9a671499505 100644 --- a/src/tools/clippy/tests/ui/duplicated_attributes.rs +++ b/src/tools/clippy/tests/ui/duplicated_attributes.rs @@ -1,6 +1,6 @@ //@aux-build:proc_macro_attr.rs +#![warn(clippy::duplicated_attributes, clippy::duplicated_attributes)] //~ ERROR: duplicated attribute #![feature(rustc_attrs)] -#![warn(clippy::duplicated_attributes)] #![cfg(any(unix, windows))] #![allow(dead_code)] #![allow(dead_code)] //~ ERROR: duplicated attribute diff --git a/src/tools/clippy/tests/ui/duplicated_attributes.stderr b/src/tools/clippy/tests/ui/duplicated_attributes.stderr index 0903617a8d1..922939d60dd 100644 --- a/src/tools/clippy/tests/ui/duplicated_attributes.stderr +++ b/src/tools/clippy/tests/ui/duplicated_attributes.stderr @@ -1,4 +1,23 @@ error: duplicated attribute + --> tests/ui/duplicated_attributes.rs:2:40 + | +LL | #![warn(clippy::duplicated_attributes, clippy::duplicated_attributes)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +note: first defined here + --> tests/ui/duplicated_attributes.rs:2:9 + | +LL | #![warn(clippy::duplicated_attributes, clippy::duplicated_attributes)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +help: remove this attribute + --> tests/ui/duplicated_attributes.rs:2:40 + | +LL | #![warn(clippy::duplicated_attributes, clippy::duplicated_attributes)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + = note: `-D clippy::duplicated-attributes` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::duplicated_attributes)]` + +error: duplicated attribute --> tests/ui/duplicated_attributes.rs:6:10 | LL | #![allow(dead_code)] @@ -14,8 +33,6 @@ help: remove this attribute | LL | #![allow(dead_code)] | ^^^^^^^^^ - = note: `-D clippy::duplicated-attributes` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::duplicated_attributes)]` error: duplicated attribute --> tests/ui/duplicated_attributes.rs:14:9 @@ -34,5 +51,5 @@ help: remove this attribute LL | #[allow(dead_code)] | ^^^^^^^^^ -error: aborting due to 2 previous errors +error: aborting due to 3 previous errors diff --git a/src/tools/clippy/tests/ui/empty_structs_with_brackets.fixed b/src/tools/clippy/tests/ui/empty_structs_with_brackets.fixed index 419cf2354f8..22386245ffe 100644 --- a/src/tools/clippy/tests/ui/empty_structs_with_brackets.fixed +++ b/src/tools/clippy/tests/ui/empty_structs_with_brackets.fixed @@ -32,3 +32,17 @@ macro_rules! empty_struct { empty_struct!(FromMacro); fn main() {} + +mod issue15349 { + trait Bar<T> {} + impl<T> Bar<T> for [u8; 7] {} + + struct Foo<const N: usize>; + //~^ empty_structs_with_brackets + impl<const N: usize> Foo<N> + where + [u8; N]: Bar<[(); N]>, + { + fn foo() {} + } +} diff --git a/src/tools/clippy/tests/ui/empty_structs_with_brackets.rs b/src/tools/clippy/tests/ui/empty_structs_with_brackets.rs index 90c415c1220..5cb54b66134 100644 --- a/src/tools/clippy/tests/ui/empty_structs_with_brackets.rs +++ b/src/tools/clippy/tests/ui/empty_structs_with_brackets.rs @@ -32,3 +32,17 @@ macro_rules! empty_struct { empty_struct!(FromMacro); fn main() {} + +mod issue15349 { + trait Bar<T> {} + impl<T> Bar<T> for [u8; 7] {} + + struct Foo<const N: usize> {} + //~^ empty_structs_with_brackets + impl<const N: usize> Foo<N> + where + [u8; N]: Bar<[(); N]>, + { + fn foo() {} + } +} diff --git a/src/tools/clippy/tests/ui/empty_structs_with_brackets.stderr b/src/tools/clippy/tests/ui/empty_structs_with_brackets.stderr index 86ef43aa960..f662bb9423e 100644 --- a/src/tools/clippy/tests/ui/empty_structs_with_brackets.stderr +++ b/src/tools/clippy/tests/ui/empty_structs_with_brackets.stderr @@ -16,5 +16,13 @@ LL | struct MyEmptyTupleStruct(); // should trigger lint | = help: remove the brackets -error: aborting due to 2 previous errors +error: found empty brackets on struct declaration + --> tests/ui/empty_structs_with_brackets.rs:40:31 + | +LL | struct Foo<const N: usize> {} + | ^^^ + | + = help: remove the brackets + +error: aborting due to 3 previous errors diff --git a/src/tools/clippy/tests/ui/four_forward_slashes_bare_cr.rs b/src/tools/clippy/tests/ui/four_forward_slashes_bare_cr.rs new file mode 100644 index 00000000000..19123cd206e --- /dev/null +++ b/src/tools/clippy/tests/ui/four_forward_slashes_bare_cr.rs @@ -0,0 +1,6 @@ +//@no-rustfix +#![warn(clippy::four_forward_slashes)] + +//~v four_forward_slashes +//// nondoc comment with bare CR: ' ' +fn main() {} diff --git a/src/tools/clippy/tests/ui/four_forward_slashes_bare_cr.stderr b/src/tools/clippy/tests/ui/four_forward_slashes_bare_cr.stderr new file mode 100644 index 00000000000..64e70b97db9 --- /dev/null +++ b/src/tools/clippy/tests/ui/four_forward_slashes_bare_cr.stderr @@ -0,0 +1,14 @@ +error: this item has comments with 4 forward slashes (`////`). These look like doc comments, but they aren't + --> tests/ui/four_forward_slashes_bare_cr.rs:5:1 + | +LL | / //// nondoc comment with bare CR: '␍' +LL | | fn main() {} + | |_^ + | + = help: make this a doc comment by removing one `/` + = note: bare CR characters are not allowed in doc comments + = note: `-D clippy::four-forward-slashes` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::four_forward_slashes)]` + +error: aborting due to 1 previous error + diff --git a/src/tools/clippy/tests/ui/implicit_clone.fixed b/src/tools/clippy/tests/ui/implicit_clone.fixed index d60d1cb0ec0..267514c5f3d 100644 --- a/src/tools/clippy/tests/ui/implicit_clone.fixed +++ b/src/tools/clippy/tests/ui/implicit_clone.fixed @@ -135,4 +135,10 @@ fn main() { } let no_clone = &NoClone; let _ = no_clone.to_owned(); + + let s = String::from("foo"); + let _ = s.clone(); + //~^ implicit_clone + let _ = s.clone(); + //~^ implicit_clone } diff --git a/src/tools/clippy/tests/ui/implicit_clone.rs b/src/tools/clippy/tests/ui/implicit_clone.rs index b96828f28c8..fba954026e7 100644 --- a/src/tools/clippy/tests/ui/implicit_clone.rs +++ b/src/tools/clippy/tests/ui/implicit_clone.rs @@ -135,4 +135,10 @@ fn main() { } let no_clone = &NoClone; let _ = no_clone.to_owned(); + + let s = String::from("foo"); + let _ = s.to_owned(); + //~^ implicit_clone + let _ = s.to_string(); + //~^ implicit_clone } diff --git a/src/tools/clippy/tests/ui/implicit_clone.stderr b/src/tools/clippy/tests/ui/implicit_clone.stderr index 1eb6ff1fe42..4cca9b0d0c0 100644 --- a/src/tools/clippy/tests/ui/implicit_clone.stderr +++ b/src/tools/clippy/tests/ui/implicit_clone.stderr @@ -67,5 +67,17 @@ error: implicitly cloning a `PathBuf` by calling `to_path_buf` on its dereferenc LL | let _ = pathbuf_ref.to_path_buf(); | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `(**pathbuf_ref).clone()` -error: aborting due to 11 previous errors +error: implicitly cloning a `String` by calling `to_owned` on its dereferenced type + --> tests/ui/implicit_clone.rs:140:13 + | +LL | let _ = s.to_owned(); + | ^^^^^^^^^^^^ help: consider using: `s.clone()` + +error: implicitly cloning a `String` by calling `to_string` on its dereferenced type + --> tests/ui/implicit_clone.rs:142:13 + | +LL | let _ = s.to_string(); + | ^^^^^^^^^^^^^ help: consider using: `s.clone()` + +error: aborting due to 13 previous errors diff --git a/src/tools/clippy/tests/ui/index_refutable_slice/slice_indexing_in_macro.fixed b/src/tools/clippy/tests/ui/index_refutable_slice/slice_indexing_in_macro.fixed index 72edc539f04..edf6f014d3d 100644 --- a/src/tools/clippy/tests/ui/index_refutable_slice/slice_indexing_in_macro.fixed +++ b/src/tools/clippy/tests/ui/index_refutable_slice/slice_indexing_in_macro.fixed @@ -1,8 +1,5 @@ #![deny(clippy::index_refutable_slice)] -extern crate if_chain; -use if_chain::if_chain; - macro_rules! if_let_slice_macro { () => { // This would normally be linted @@ -18,12 +15,9 @@ fn main() { if_let_slice_macro!(); // Do lint this - if_chain! { - let slice: Option<&[u32]> = Some(&[1, 2, 3]); - if let Some([slice_0, ..]) = slice; + let slice: Option<&[u32]> = Some(&[1, 2, 3]); + if let Some([slice_0, ..]) = slice { //~^ ERROR: this binding can be a slice pattern to avoid indexing - then { - println!("{}", slice_0); - } + println!("{}", slice_0); } } diff --git a/src/tools/clippy/tests/ui/index_refutable_slice/slice_indexing_in_macro.rs b/src/tools/clippy/tests/ui/index_refutable_slice/slice_indexing_in_macro.rs index 7b474ba423b..76d4a2350f5 100644 --- a/src/tools/clippy/tests/ui/index_refutable_slice/slice_indexing_in_macro.rs +++ b/src/tools/clippy/tests/ui/index_refutable_slice/slice_indexing_in_macro.rs @@ -1,8 +1,5 @@ #![deny(clippy::index_refutable_slice)] -extern crate if_chain; -use if_chain::if_chain; - macro_rules! if_let_slice_macro { () => { // This would normally be linted @@ -18,12 +15,9 @@ fn main() { if_let_slice_macro!(); // Do lint this - if_chain! { - let slice: Option<&[u32]> = Some(&[1, 2, 3]); - if let Some(slice) = slice; + let slice: Option<&[u32]> = Some(&[1, 2, 3]); + if let Some(slice) = slice { //~^ ERROR: this binding can be a slice pattern to avoid indexing - then { - println!("{}", slice[0]); - } + println!("{}", slice[0]); } } diff --git a/src/tools/clippy/tests/ui/index_refutable_slice/slice_indexing_in_macro.stderr b/src/tools/clippy/tests/ui/index_refutable_slice/slice_indexing_in_macro.stderr index 64741abb911..635e6d19aef 100644 --- a/src/tools/clippy/tests/ui/index_refutable_slice/slice_indexing_in_macro.stderr +++ b/src/tools/clippy/tests/ui/index_refutable_slice/slice_indexing_in_macro.stderr @@ -1,8 +1,8 @@ error: this binding can be a slice pattern to avoid indexing - --> tests/ui/index_refutable_slice/slice_indexing_in_macro.rs:23:21 + --> tests/ui/index_refutable_slice/slice_indexing_in_macro.rs:19:17 | -LL | if let Some(slice) = slice; - | ^^^^^ +LL | if let Some(slice) = slice { + | ^^^^^ | note: the lint level is defined here --> tests/ui/index_refutable_slice/slice_indexing_in_macro.rs:1:9 @@ -11,10 +11,9 @@ LL | #![deny(clippy::index_refutable_slice)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the binding and indexed access with a slice pattern | -LL ~ if let Some([slice_0, ..]) = slice; +LL ~ if let Some([slice_0, ..]) = slice { LL | -LL | then { -LL ~ println!("{}", slice_0); +LL ~ println!("{}", slice_0); | error: aborting due to 1 previous error diff --git a/src/tools/clippy/tests/ui/indexing_slicing_slice.rs b/src/tools/clippy/tests/ui/indexing_slicing_slice.rs index cad77f56d03..dea31530a0b 100644 --- a/src/tools/clippy/tests/ui/indexing_slicing_slice.rs +++ b/src/tools/clippy/tests/ui/indexing_slicing_slice.rs @@ -1,6 +1,5 @@ //@aux-build: proc_macros.rs -#![warn(clippy::indexing_slicing)] // We also check the out_of_bounds_indexing lint here, because it lints similar things and // we want to avoid false positives. #![warn(clippy::out_of_bounds_indexing)] diff --git a/src/tools/clippy/tests/ui/indexing_slicing_slice.stderr b/src/tools/clippy/tests/ui/indexing_slicing_slice.stderr index e3ef89823e3..e3d6086544d 100644 --- a/src/tools/clippy/tests/ui/indexing_slicing_slice.stderr +++ b/src/tools/clippy/tests/ui/indexing_slicing_slice.stderr @@ -1,5 +1,5 @@ error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:115:6 + --> tests/ui/indexing_slicing_slice.rs:114:6 | LL | &x[index..]; | ^^^^^^^^^^ @@ -9,7 +9,7 @@ LL | &x[index..]; = help: to override `-D warnings` add `#[allow(clippy::indexing_slicing)]` error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:117:6 + --> tests/ui/indexing_slicing_slice.rs:116:6 | LL | &x[..index]; | ^^^^^^^^^^ @@ -17,7 +17,7 @@ LL | &x[..index]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:119:6 + --> tests/ui/indexing_slicing_slice.rs:118:6 | LL | &x[index_from..index_to]; | ^^^^^^^^^^^^^^^^^^^^^^^ @@ -25,7 +25,7 @@ LL | &x[index_from..index_to]; = help: consider using `.get(n..m)` or `.get_mut(n..m)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:121:6 + --> tests/ui/indexing_slicing_slice.rs:120:6 | LL | &x[index_from..][..index_to]; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -33,7 +33,7 @@ LL | &x[index_from..][..index_to]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:121:6 + --> tests/ui/indexing_slicing_slice.rs:120:6 | LL | &x[index_from..][..index_to]; | ^^^^^^^^^^^^^^^ @@ -41,7 +41,7 @@ LL | &x[index_from..][..index_to]; = help: consider using `.get(n..)` or .get_mut(n..)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:124:6 + --> tests/ui/indexing_slicing_slice.rs:123:6 | LL | &x[5..][..10]; | ^^^^^^^^^^^^ @@ -49,7 +49,7 @@ LL | &x[5..][..10]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: range is out of bounds - --> tests/ui/indexing_slicing_slice.rs:124:8 + --> tests/ui/indexing_slicing_slice.rs:123:8 | LL | &x[5..][..10]; | ^ @@ -58,7 +58,7 @@ LL | &x[5..][..10]; = help: to override `-D warnings` add `#[allow(clippy::out_of_bounds_indexing)]` error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:127:6 + --> tests/ui/indexing_slicing_slice.rs:126:6 | LL | &x[0..][..3]; | ^^^^^^^^^^^ @@ -66,7 +66,7 @@ LL | &x[0..][..3]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:129:6 + --> tests/ui/indexing_slicing_slice.rs:128:6 | LL | &x[1..][..5]; | ^^^^^^^^^^^ @@ -74,19 +74,19 @@ LL | &x[1..][..5]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: range is out of bounds - --> tests/ui/indexing_slicing_slice.rs:137:12 + --> tests/ui/indexing_slicing_slice.rs:136:12 | LL | &y[0..=4]; | ^ error: range is out of bounds - --> tests/ui/indexing_slicing_slice.rs:139:11 + --> tests/ui/indexing_slicing_slice.rs:138:11 | LL | &y[..=4]; | ^ error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:145:6 + --> tests/ui/indexing_slicing_slice.rs:144:6 | LL | &v[10..100]; | ^^^^^^^^^^ @@ -94,7 +94,7 @@ LL | &v[10..100]; = help: consider using `.get(n..m)` or `.get_mut(n..m)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:147:6 + --> tests/ui/indexing_slicing_slice.rs:146:6 | LL | &x[10..][..100]; | ^^^^^^^^^^^^^^ @@ -102,13 +102,13 @@ LL | &x[10..][..100]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: range is out of bounds - --> tests/ui/indexing_slicing_slice.rs:147:8 + --> tests/ui/indexing_slicing_slice.rs:146:8 | LL | &x[10..][..100]; | ^^ error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:150:6 + --> tests/ui/indexing_slicing_slice.rs:149:6 | LL | &v[10..]; | ^^^^^^^ @@ -116,7 +116,7 @@ LL | &v[10..]; = help: consider using `.get(n..)` or .get_mut(n..)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:152:6 + --> tests/ui/indexing_slicing_slice.rs:151:6 | LL | &v[..100]; | ^^^^^^^^ @@ -124,7 +124,7 @@ LL | &v[..100]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: indexing may panic - --> tests/ui/indexing_slicing_slice.rs:170:5 + --> tests/ui/indexing_slicing_slice.rs:169:5 | LL | map_with_get[true]; | ^^^^^^^^^^^^^^^^^^ @@ -132,7 +132,7 @@ LL | map_with_get[true]; = help: consider using `.get(n)` or `.get_mut(n)` instead error: indexing may panic - --> tests/ui/indexing_slicing_slice.rs:174:5 + --> tests/ui/indexing_slicing_slice.rs:173:5 | LL | s[0]; | ^^^^ @@ -140,7 +140,7 @@ LL | s[0]; = help: consider using `.get(n)` or `.get_mut(n)` instead error: indexing may panic - --> tests/ui/indexing_slicing_slice.rs:178:5 + --> tests/ui/indexing_slicing_slice.rs:177:5 | LL | y[0]; | ^^^^ diff --git a/src/tools/clippy/tests/ui/infallible_try_from.stderr b/src/tools/clippy/tests/ui/infallible_try_from.stderr index 705b1188489..d1e0d9e7d3b 100644 --- a/src/tools/clippy/tests/ui/infallible_try_from.stderr +++ b/src/tools/clippy/tests/ui/infallible_try_from.stderr @@ -1,4 +1,4 @@ -error: infallible TryFrom impl; consider implementing From, instead +error: infallible TryFrom impl; consider implementing From instead --> tests/ui/infallible_try_from.rs:8:1 | LL | impl TryFrom<i8> for MyStruct { @@ -10,7 +10,7 @@ LL | type Error = !; = note: `-D clippy::infallible-try-from` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::infallible_try_from)]` -error: infallible TryFrom impl; consider implementing From, instead +error: infallible TryFrom impl; consider implementing From instead --> tests/ui/infallible_try_from.rs:16:1 | LL | impl TryFrom<i16> for MyStruct { diff --git a/src/tools/clippy/tests/ui/ip_constant.fixed b/src/tools/clippy/tests/ui/ip_constant.fixed index 2e3389c1193..c9479682139 100644 --- a/src/tools/clippy/tests/ui/ip_constant.fixed +++ b/src/tools/clippy/tests/ui/ip_constant.fixed @@ -48,6 +48,20 @@ fn literal_test3() { //~^ ip_constant } +fn wrapped_in_parens() { + let _ = std::net::Ipv4Addr::LOCALHOST; + //~^ ip_constant + let _ = std::net::Ipv4Addr::BROADCAST; + //~^ ip_constant + let _ = std::net::Ipv4Addr::UNSPECIFIED; + //~^ ip_constant + + let _ = std::net::Ipv6Addr::LOCALHOST; + //~^ ip_constant + let _ = std::net::Ipv6Addr::UNSPECIFIED; + //~^ ip_constant +} + const CONST_U8_0: u8 = 0; const CONST_U8_1: u8 = 1; const CONST_U8_127: u8 = 127; diff --git a/src/tools/clippy/tests/ui/ip_constant.rs b/src/tools/clippy/tests/ui/ip_constant.rs index 15e0b0551ba..69a5c3b4e92 100644 --- a/src/tools/clippy/tests/ui/ip_constant.rs +++ b/src/tools/clippy/tests/ui/ip_constant.rs @@ -48,6 +48,20 @@ fn literal_test3() { //~^ ip_constant } +fn wrapped_in_parens() { + let _ = (std::net::Ipv4Addr::new(127, 0, 0, 1)); + //~^ ip_constant + let _ = (std::net::Ipv4Addr::new(255, 255, 255, 255)); + //~^ ip_constant + let _ = (std::net::Ipv4Addr::new(0, 0, 0, 0)); + //~^ ip_constant + + let _ = (std::net::Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1)); + //~^ ip_constant + let _ = (std::net::Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 0)); + //~^ ip_constant +} + const CONST_U8_0: u8 = 0; const CONST_U8_1: u8 = 1; const CONST_U8_127: u8 = 127; diff --git a/src/tools/clippy/tests/ui/ip_constant.stderr b/src/tools/clippy/tests/ui/ip_constant.stderr index 3e984c6cb3b..07d912b18a5 100644 --- a/src/tools/clippy/tests/ui/ip_constant.stderr +++ b/src/tools/clippy/tests/ui/ip_constant.stderr @@ -181,8 +181,68 @@ LL + let _ = std::net::Ipv6Addr::UNSPECIFIED; | error: hand-coded well-known IP address + --> tests/ui/ip_constant.rs:52:13 + | +LL | let _ = (std::net::Ipv4Addr::new(127, 0, 0, 1)); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: use + | +LL - let _ = (std::net::Ipv4Addr::new(127, 0, 0, 1)); +LL + let _ = std::net::Ipv4Addr::LOCALHOST; + | + +error: hand-coded well-known IP address + --> tests/ui/ip_constant.rs:54:13 + | +LL | let _ = (std::net::Ipv4Addr::new(255, 255, 255, 255)); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: use + | +LL - let _ = (std::net::Ipv4Addr::new(255, 255, 255, 255)); +LL + let _ = std::net::Ipv4Addr::BROADCAST; + | + +error: hand-coded well-known IP address + --> tests/ui/ip_constant.rs:56:13 + | +LL | let _ = (std::net::Ipv4Addr::new(0, 0, 0, 0)); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: use + | +LL - let _ = (std::net::Ipv4Addr::new(0, 0, 0, 0)); +LL + let _ = std::net::Ipv4Addr::UNSPECIFIED; + | + +error: hand-coded well-known IP address + --> tests/ui/ip_constant.rs:59:13 + | +LL | let _ = (std::net::Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1)); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: use + | +LL - let _ = (std::net::Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1)); +LL + let _ = std::net::Ipv6Addr::LOCALHOST; + | + +error: hand-coded well-known IP address --> tests/ui/ip_constant.rs:61:13 | +LL | let _ = (std::net::Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 0)); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: use + | +LL - let _ = (std::net::Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 0)); +LL + let _ = std::net::Ipv6Addr::UNSPECIFIED; + | + +error: hand-coded well-known IP address + --> tests/ui/ip_constant.rs:75:13 + | LL | let _ = Ipv4Addr::new(CONST_U8_127, CONST_U8_0, CONST_U8_0, CONST_U8_1); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | @@ -193,7 +253,7 @@ LL + let _ = Ipv4Addr::LOCALHOST; | error: hand-coded well-known IP address - --> tests/ui/ip_constant.rs:63:13 + --> tests/ui/ip_constant.rs:77:13 | LL | let _ = Ipv4Addr::new(CONST_U8_255, CONST_U8_255, CONST_U8_255, CONST_U8_255); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -205,7 +265,7 @@ LL + let _ = Ipv4Addr::BROADCAST; | error: hand-coded well-known IP address - --> tests/ui/ip_constant.rs:65:13 + --> tests/ui/ip_constant.rs:79:13 | LL | let _ = Ipv4Addr::new(CONST_U8_0, CONST_U8_0, CONST_U8_0, CONST_U8_0); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -217,7 +277,7 @@ LL + let _ = Ipv4Addr::UNSPECIFIED; | error: hand-coded well-known IP address - --> tests/ui/ip_constant.rs:69:13 + --> tests/ui/ip_constant.rs:83:13 | LL | let _ = Ipv6Addr::new( | _____________^ @@ -246,7 +306,7 @@ LL + let _ = Ipv6Addr::LOCALHOST; | error: hand-coded well-known IP address - --> tests/ui/ip_constant.rs:81:13 + --> tests/ui/ip_constant.rs:95:13 | LL | let _ = Ipv6Addr::new( | _____________^ @@ -275,7 +335,7 @@ LL + let _ = Ipv6Addr::UNSPECIFIED; | error: hand-coded well-known IP address - --> tests/ui/ip_constant.rs:96:13 + --> tests/ui/ip_constant.rs:110:13 | LL | let _ = Ipv4Addr::new(126 + 1, 0, 0, 1); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -287,7 +347,7 @@ LL + let _ = Ipv4Addr::LOCALHOST; | error: hand-coded well-known IP address - --> tests/ui/ip_constant.rs:98:13 + --> tests/ui/ip_constant.rs:112:13 | LL | let _ = Ipv4Addr::new(254 + CONST_U8_1, 255, { 255 - CONST_U8_0 }, CONST_U8_255); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -299,7 +359,7 @@ LL + let _ = Ipv4Addr::BROADCAST; | error: hand-coded well-known IP address - --> tests/ui/ip_constant.rs:100:13 + --> tests/ui/ip_constant.rs:114:13 | LL | let _ = Ipv4Addr::new(0, CONST_U8_255 - 255, 0, { 1 + 0 - 1 }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -311,7 +371,7 @@ LL + let _ = Ipv4Addr::UNSPECIFIED; | error: hand-coded well-known IP address - --> tests/ui/ip_constant.rs:104:13 + --> tests/ui/ip_constant.rs:118:13 | LL | let _ = Ipv6Addr::new(0 + CONST_U16_0, 0, 0, 0, 0, 0, 0, 1); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -323,7 +383,7 @@ LL + let _ = Ipv6Addr::LOCALHOST; | error: hand-coded well-known IP address - --> tests/ui/ip_constant.rs:106:13 + --> tests/ui/ip_constant.rs:120:13 | LL | let _ = Ipv6Addr::new(0 + 0, 0, 0, 0, 0, { 2 - 1 - CONST_U16_1 }, 0, 1); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -334,5 +394,5 @@ LL - let _ = Ipv6Addr::new(0 + 0, 0, 0, 0, 0, { 2 - 1 - CONST_U16_1 }, 0, 1) LL + let _ = Ipv6Addr::LOCALHOST; | -error: aborting due to 25 previous errors +error: aborting due to 30 previous errors diff --git a/src/tools/clippy/tests/ui/iter_on_single_items.fixed b/src/tools/clippy/tests/ui/iter_on_single_items.fixed index b43fad6449c..044037aac2e 100644 --- a/src/tools/clippy/tests/ui/iter_on_single_items.fixed +++ b/src/tools/clippy/tests/ui/iter_on_single_items.fixed @@ -66,3 +66,27 @@ fn main() { custom_option::custom_option(); in_macros!(); } + +mod issue14981 { + use std::option::IntoIter; + fn takes_into_iter(_: impl IntoIterator<Item = i32>) {} + + fn let_stmt() { + macro_rules! x { + ($e:expr) => { + let _: IntoIter<i32> = $e; + }; + } + x!(Some(5).into_iter()); + } + + fn fn_ptr() { + fn some_func(_: IntoIter<i32>) -> IntoIter<i32> { + todo!() + } + some_func(Some(5).into_iter()); + + const C: fn(IntoIter<i32>) -> IntoIter<i32> = <IntoIter<i32> as IntoIterator>::into_iter; + C(Some(5).into_iter()); + } +} diff --git a/src/tools/clippy/tests/ui/iter_on_single_items.rs b/src/tools/clippy/tests/ui/iter_on_single_items.rs index 625c96d3ef1..c925d0e480f 100644 --- a/src/tools/clippy/tests/ui/iter_on_single_items.rs +++ b/src/tools/clippy/tests/ui/iter_on_single_items.rs @@ -66,3 +66,27 @@ fn main() { custom_option::custom_option(); in_macros!(); } + +mod issue14981 { + use std::option::IntoIter; + fn takes_into_iter(_: impl IntoIterator<Item = i32>) {} + + fn let_stmt() { + macro_rules! x { + ($e:expr) => { + let _: IntoIter<i32> = $e; + }; + } + x!(Some(5).into_iter()); + } + + fn fn_ptr() { + fn some_func(_: IntoIter<i32>) -> IntoIter<i32> { + todo!() + } + some_func(Some(5).into_iter()); + + const C: fn(IntoIter<i32>) -> IntoIter<i32> = <IntoIter<i32> as IntoIterator>::into_iter; + C(Some(5).into_iter()); + } +} diff --git a/src/tools/clippy/tests/ui/let_unit.fixed b/src/tools/clippy/tests/ui/let_unit.fixed index 304eacecd94..381d4cac462 100644 --- a/src/tools/clippy/tests/ui/let_unit.fixed +++ b/src/tools/clippy/tests/ui/let_unit.fixed @@ -198,3 +198,14 @@ pub fn issue12594() { returns_result(res).unwrap(); } } + +fn issue15061() { + fn return_unit() {} + fn do_something(x: ()) {} + + let res = (); + return_unit(); + //~^ let_unit_value + do_something(()); + println!("{res:?}"); +} diff --git a/src/tools/clippy/tests/ui/let_unit.rs b/src/tools/clippy/tests/ui/let_unit.rs index a02cb346ff9..cdfc74991c4 100644 --- a/src/tools/clippy/tests/ui/let_unit.rs +++ b/src/tools/clippy/tests/ui/let_unit.rs @@ -198,3 +198,13 @@ pub fn issue12594() { returns_result(res).unwrap(); } } + +fn issue15061() { + fn return_unit() {} + fn do_something(x: ()) {} + + let res = return_unit(); + //~^ let_unit_value + do_something(res); + println!("{res:?}"); +} diff --git a/src/tools/clippy/tests/ui/let_unit.stderr b/src/tools/clippy/tests/ui/let_unit.stderr index d743110c99d..637c9ff686b 100644 --- a/src/tools/clippy/tests/ui/let_unit.stderr +++ b/src/tools/clippy/tests/ui/let_unit.stderr @@ -68,5 +68,19 @@ LL ~ returns_result(()).unwrap(); LL ~ returns_result(()).unwrap(); | -error: aborting due to 4 previous errors +error: this let-binding has unit value + --> tests/ui/let_unit.rs:206:5 + | +LL | let res = return_unit(); + | ^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: replace variable usages with `()` + | +LL ~ let res = (); +LL ~ return_unit(); +LL | +LL ~ do_something(()); + | + +error: aborting due to 5 previous errors diff --git a/src/tools/clippy/tests/ui/let_with_type_underscore.fixed b/src/tools/clippy/tests/ui/let_with_type_underscore.fixed index 7a4af4e3d1e..6339fe595c2 100644 --- a/src/tools/clippy/tests/ui/let_with_type_underscore.fixed +++ b/src/tools/clippy/tests/ui/let_with_type_underscore.fixed @@ -45,3 +45,15 @@ fn main() { x = (); }; } + +fn issue15377() { + let (a) = 0; + //~^ let_with_type_underscore + let ((a)) = 0; + //~^ let_with_type_underscore + let ((a,)) = (0,); + //~^ let_with_type_underscore + #[rustfmt::skip] + let ( (a ) ) = 0; + //~^ let_with_type_underscore +} diff --git a/src/tools/clippy/tests/ui/let_with_type_underscore.rs b/src/tools/clippy/tests/ui/let_with_type_underscore.rs index a7c2f598b56..bd85346cf01 100644 --- a/src/tools/clippy/tests/ui/let_with_type_underscore.rs +++ b/src/tools/clippy/tests/ui/let_with_type_underscore.rs @@ -45,3 +45,15 @@ fn main() { x = (); }; } + +fn issue15377() { + let (a): _ = 0; + //~^ let_with_type_underscore + let ((a)): _ = 0; + //~^ let_with_type_underscore + let ((a,)): _ = (0,); + //~^ let_with_type_underscore + #[rustfmt::skip] + let ( (a ) ): _ = 0; + //~^ let_with_type_underscore +} diff --git a/src/tools/clippy/tests/ui/let_with_type_underscore.stderr b/src/tools/clippy/tests/ui/let_with_type_underscore.stderr index 9179f992207..c3f6c82397b 100644 --- a/src/tools/clippy/tests/ui/let_with_type_underscore.stderr +++ b/src/tools/clippy/tests/ui/let_with_type_underscore.stderr @@ -60,5 +60,53 @@ LL - let x : _ = 1; LL + let x = 1; | -error: aborting due to 5 previous errors +error: variable declared with type underscore + --> tests/ui/let_with_type_underscore.rs:50:5 + | +LL | let (a): _ = 0; + | ^^^^^^^^^^^^^^^ + | +help: remove the explicit type `_` declaration + | +LL - let (a): _ = 0; +LL + let (a) = 0; + | + +error: variable declared with type underscore + --> tests/ui/let_with_type_underscore.rs:52:5 + | +LL | let ((a)): _ = 0; + | ^^^^^^^^^^^^^^^^^ + | +help: remove the explicit type `_` declaration + | +LL - let ((a)): _ = 0; +LL + let ((a)) = 0; + | + +error: variable declared with type underscore + --> tests/ui/let_with_type_underscore.rs:54:5 + | +LL | let ((a,)): _ = (0,); + | ^^^^^^^^^^^^^^^^^^^^^ + | +help: remove the explicit type `_` declaration + | +LL - let ((a,)): _ = (0,); +LL + let ((a,)) = (0,); + | + +error: variable declared with type underscore + --> tests/ui/let_with_type_underscore.rs:57:5 + | +LL | let ( (a ) ): _ = 0; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: remove the explicit type `_` declaration + | +LL - let ( (a ) ): _ = 0; +LL + let ( (a ) ) = 0; + | + +error: aborting due to 9 previous errors diff --git a/src/tools/clippy/tests/ui/manual_assert.edition2018.stderr b/src/tools/clippy/tests/ui/manual_assert.edition2018.stderr index 221cddf069d..2e9c9045caa 100644 --- a/src/tools/clippy/tests/ui/manual_assert.edition2018.stderr +++ b/src/tools/clippy/tests/ui/manual_assert.edition2018.stderr @@ -167,7 +167,7 @@ LL - comment */ LL - /// Doc comment LL - panic!("panic with comment") // comment after `panic!` LL - } -LL + assert!(!(a > 2), "panic with comment"); +LL + assert!(a <= 2, "panic with comment"); | error: only a `panic!` in `if`-then statement @@ -186,7 +186,7 @@ LL - const BAR: () = if N == 0 { LL - LL - panic!() LL - }; -LL + const BAR: () = assert!(!(N == 0), ); +LL + const BAR: () = assert!(N != 0, ); | error: only a `panic!` in `if`-then statement diff --git a/src/tools/clippy/tests/ui/manual_assert.edition2021.stderr b/src/tools/clippy/tests/ui/manual_assert.edition2021.stderr index 221cddf069d..2e9c9045caa 100644 --- a/src/tools/clippy/tests/ui/manual_assert.edition2021.stderr +++ b/src/tools/clippy/tests/ui/manual_assert.edition2021.stderr @@ -167,7 +167,7 @@ LL - comment */ LL - /// Doc comment LL - panic!("panic with comment") // comment after `panic!` LL - } -LL + assert!(!(a > 2), "panic with comment"); +LL + assert!(a <= 2, "panic with comment"); | error: only a `panic!` in `if`-then statement @@ -186,7 +186,7 @@ LL - const BAR: () = if N == 0 { LL - LL - panic!() LL - }; -LL + const BAR: () = assert!(!(N == 0), ); +LL + const BAR: () = assert!(N != 0, ); | error: only a `panic!` in `if`-then statement diff --git a/src/tools/clippy/tests/ui/manual_strip.rs b/src/tools/clippy/tests/ui/manual_strip.rs index 086b75a3987..0fdaa1c045e 100644 --- a/src/tools/clippy/tests/ui/manual_strip.rs +++ b/src/tools/clippy/tests/ui/manual_strip.rs @@ -75,7 +75,7 @@ fn main() { s4[2..].to_string(); } - // Don't propose to reuse the `stripped` identifier as it is overriden + // Don't propose to reuse the `stripped` identifier as it is overridden if s.starts_with("ab") { let stripped = &s["ab".len()..]; //~^ ERROR: stripping a prefix manually diff --git a/src/tools/clippy/tests/ui/manual_unwrap_or_default.fixed b/src/tools/clippy/tests/ui/manual_unwrap_or_default.fixed index 41ca44ceef4..189fe876aa5 100644 --- a/src/tools/clippy/tests/ui/manual_unwrap_or_default.fixed +++ b/src/tools/clippy/tests/ui/manual_unwrap_or_default.fixed @@ -102,7 +102,7 @@ fn issue_12928() { let y = if let Some(Y(a, ..)) = x { a } else { 0 }; } -// For symetry with `manual_unwrap_or` test +// For symmetry with `manual_unwrap_or` test fn allowed_manual_unwrap_or_zero() -> u32 { Some(42).unwrap_or_default() } diff --git a/src/tools/clippy/tests/ui/manual_unwrap_or_default.rs b/src/tools/clippy/tests/ui/manual_unwrap_or_default.rs index 343fbc4879c..ca87926763c 100644 --- a/src/tools/clippy/tests/ui/manual_unwrap_or_default.rs +++ b/src/tools/clippy/tests/ui/manual_unwrap_or_default.rs @@ -138,7 +138,7 @@ fn issue_12928() { let y = if let Some(Y(a, ..)) = x { a } else { 0 }; } -// For symetry with `manual_unwrap_or` test +// For symmetry with `manual_unwrap_or` test fn allowed_manual_unwrap_or_zero() -> u32 { if let Some(x) = Some(42) { //~^ manual_unwrap_or_default diff --git a/src/tools/clippy/tests/ui/map_identity.fixed b/src/tools/clippy/tests/ui/map_identity.fixed index b82d3e6d956..6c971ba6338 100644 --- a/src/tools/clippy/tests/ui/map_identity.fixed +++ b/src/tools/clippy/tests/ui/map_identity.fixed @@ -1,5 +1,5 @@ #![warn(clippy::map_identity)] -#![allow(clippy::needless_return)] +#![allow(clippy::needless_return, clippy::disallowed_names)] fn main() { let x: [u16; 3] = [1, 2, 3]; @@ -99,3 +99,65 @@ fn issue15198() { let _ = x.iter().copied(); //~^ map_identity } + +mod foo { + #[derive(Clone, Copy)] + pub struct Foo { + pub foo: u8, + pub bar: u8, + } + + #[derive(Clone, Copy)] + pub struct Foo2(pub u8, pub u8); +} +use foo::{Foo, Foo2}; + +struct Bar { + foo: u8, + bar: u8, +} + +struct Bar2(u8, u8); + +fn structs() { + let x = [Foo { foo: 0, bar: 0 }]; + + let _ = x.into_iter(); + //~^ map_identity + + // still lint when different paths are used for the same struct + let _ = x.into_iter(); + //~^ map_identity + + // don't lint: same fields but different structs + let _ = x.into_iter().map(|Foo { foo, bar }| Bar { foo, bar }); + + // still lint with redundant field names + #[allow(clippy::redundant_field_names)] + let _ = x.into_iter(); + //~^ map_identity + + // still lint with field order change + let _ = x.into_iter(); + //~^ map_identity + + // don't lint: switched field assignment + let _ = x.into_iter().map(|Foo { foo, bar }| Foo { foo: bar, bar: foo }); +} + +fn tuple_structs() { + let x = [Foo2(0, 0)]; + + let _ = x.into_iter(); + //~^ map_identity + + // still lint when different paths are used for the same struct + let _ = x.into_iter(); + //~^ map_identity + + // don't lint: same fields but different structs + let _ = x.into_iter().map(|Foo2(foo, bar)| Bar2(foo, bar)); + + // don't lint: switched field assignment + let _ = x.into_iter().map(|Foo2(foo, bar)| Foo2(bar, foo)); +} diff --git a/src/tools/clippy/tests/ui/map_identity.rs b/src/tools/clippy/tests/ui/map_identity.rs index c295bf87270..59dcfcda3b6 100644 --- a/src/tools/clippy/tests/ui/map_identity.rs +++ b/src/tools/clippy/tests/ui/map_identity.rs @@ -1,5 +1,5 @@ #![warn(clippy::map_identity)] -#![allow(clippy::needless_return)] +#![allow(clippy::needless_return, clippy::disallowed_names)] fn main() { let x: [u16; 3] = [1, 2, 3]; @@ -105,3 +105,65 @@ fn issue15198() { let _ = x.iter().copied().map(|[x, y]| [x, y]); //~^ map_identity } + +mod foo { + #[derive(Clone, Copy)] + pub struct Foo { + pub foo: u8, + pub bar: u8, + } + + #[derive(Clone, Copy)] + pub struct Foo2(pub u8, pub u8); +} +use foo::{Foo, Foo2}; + +struct Bar { + foo: u8, + bar: u8, +} + +struct Bar2(u8, u8); + +fn structs() { + let x = [Foo { foo: 0, bar: 0 }]; + + let _ = x.into_iter().map(|Foo { foo, bar }| Foo { foo, bar }); + //~^ map_identity + + // still lint when different paths are used for the same struct + let _ = x.into_iter().map(|Foo { foo, bar }| foo::Foo { foo, bar }); + //~^ map_identity + + // don't lint: same fields but different structs + let _ = x.into_iter().map(|Foo { foo, bar }| Bar { foo, bar }); + + // still lint with redundant field names + #[allow(clippy::redundant_field_names)] + let _ = x.into_iter().map(|Foo { foo, bar }| Foo { foo: foo, bar: bar }); + //~^ map_identity + + // still lint with field order change + let _ = x.into_iter().map(|Foo { foo, bar }| Foo { bar, foo }); + //~^ map_identity + + // don't lint: switched field assignment + let _ = x.into_iter().map(|Foo { foo, bar }| Foo { foo: bar, bar: foo }); +} + +fn tuple_structs() { + let x = [Foo2(0, 0)]; + + let _ = x.into_iter().map(|Foo2(foo, bar)| Foo2(foo, bar)); + //~^ map_identity + + // still lint when different paths are used for the same struct + let _ = x.into_iter().map(|Foo2(foo, bar)| foo::Foo2(foo, bar)); + //~^ map_identity + + // don't lint: same fields but different structs + let _ = x.into_iter().map(|Foo2(foo, bar)| Bar2(foo, bar)); + + // don't lint: switched field assignment + let _ = x.into_iter().map(|Foo2(foo, bar)| Foo2(bar, foo)); +} diff --git a/src/tools/clippy/tests/ui/map_identity.stderr b/src/tools/clippy/tests/ui/map_identity.stderr index 9b624a0dc75..a50c0d6b87b 100644 --- a/src/tools/clippy/tests/ui/map_identity.stderr +++ b/src/tools/clippy/tests/ui/map_identity.stderr @@ -93,5 +93,41 @@ error: unnecessary map of the identity function LL | let _ = x.iter().copied().map(|[x, y]| [x, y]); | ^^^^^^^^^^^^^^^^^^^^^ help: remove the call to `map` -error: aborting due to 14 previous errors +error: unnecessary map of the identity function + --> tests/ui/map_identity.rs:131:26 + | +LL | let _ = x.into_iter().map(|Foo { foo, bar }| Foo { foo, bar }); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the call to `map` + +error: unnecessary map of the identity function + --> tests/ui/map_identity.rs:135:26 + | +LL | let _ = x.into_iter().map(|Foo { foo, bar }| foo::Foo { foo, bar }); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the call to `map` + +error: unnecessary map of the identity function + --> tests/ui/map_identity.rs:143:26 + | +LL | let _ = x.into_iter().map(|Foo { foo, bar }| Foo { foo: foo, bar: bar }); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the call to `map` + +error: unnecessary map of the identity function + --> tests/ui/map_identity.rs:147:26 + | +LL | let _ = x.into_iter().map(|Foo { foo, bar }| Foo { bar, foo }); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the call to `map` + +error: unnecessary map of the identity function + --> tests/ui/map_identity.rs:157:26 + | +LL | let _ = x.into_iter().map(|Foo2(foo, bar)| Foo2(foo, bar)); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the call to `map` + +error: unnecessary map of the identity function + --> tests/ui/map_identity.rs:161:26 + | +LL | let _ = x.into_iter().map(|Foo2(foo, bar)| foo::Foo2(foo, bar)); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the call to `map` + +error: aborting due to 20 previous errors diff --git a/src/tools/clippy/tests/ui/match_single_binding.fixed b/src/tools/clippy/tests/ui/match_single_binding.fixed index e11dea35204..e29fb87dbc3 100644 --- a/src/tools/clippy/tests/ui/match_single_binding.fixed +++ b/src/tools/clippy/tests/ui/match_single_binding.fixed @@ -204,3 +204,65 @@ mod issue14991 { }], } } + +mod issue15018 { + fn used_later(a: i32, b: i32, c: i32) { + let x = 1; + { + let (x, y, z) = (a, b, c); + println!("{} {} {}", x, y, z); + } + println!("x = {x}"); + } + + fn not_used_later(a: i32, b: i32, c: i32) { + let (x, y, z) = (a, b, c); + println!("{} {} {}", x, y, z) + } + + #[allow(irrefutable_let_patterns)] + fn not_used_later_but_shadowed(a: i32, b: i32, c: i32) { + let (x, y, z) = (a, b, c); + println!("{} {} {}", x, y, z); + let x = 1; + println!("x = {x}"); + } + + #[allow(irrefutable_let_patterns)] + fn not_used_later_but_shadowed_nested(a: i32, b: i32, c: i32) { + let (x, y, z) = (a, b, c); + println!("{} {} {}", x, y, z); + if let (x, y, z) = (a, b, c) { + println!("{} {} {}", x, y, z) + } + + { + let x: i32 = 1; + { + let (x, y, z) = (a, b, c); + println!("{} {} {}", x, y, z); + } + if let (x, y, z) = (a, x, c) { + println!("{} {} {}", x, y, z) + } + } + + { + let (x, y, z) = (a, b, c); + println!("{} {} {}", x, y, z); + let fn_ = |y| { + println!("{} {} {}", a, b, y); + }; + fn_(c); + } + } +} + +#[allow(clippy::short_circuit_statement)] +fn issue15269(a: usize, b: usize, c: usize) -> bool { + a < b + && b < c; + + a < b + && b < c +} diff --git a/src/tools/clippy/tests/ui/match_single_binding.rs b/src/tools/clippy/tests/ui/match_single_binding.rs index d498da30fc8..ede1ab32beb 100644 --- a/src/tools/clippy/tests/ui/match_single_binding.rs +++ b/src/tools/clippy/tests/ui/match_single_binding.rs @@ -267,3 +267,79 @@ mod issue14991 { }], } } + +mod issue15018 { + fn used_later(a: i32, b: i32, c: i32) { + let x = 1; + match (a, b, c) { + //~^ match_single_binding + (x, y, z) => println!("{} {} {}", x, y, z), + } + println!("x = {x}"); + } + + fn not_used_later(a: i32, b: i32, c: i32) { + match (a, b, c) { + //~^ match_single_binding + (x, y, z) => println!("{} {} {}", x, y, z), + } + } + + #[allow(irrefutable_let_patterns)] + fn not_used_later_but_shadowed(a: i32, b: i32, c: i32) { + match (a, b, c) { + //~^ match_single_binding + (x, y, z) => println!("{} {} {}", x, y, z), + } + let x = 1; + println!("x = {x}"); + } + + #[allow(irrefutable_let_patterns)] + fn not_used_later_but_shadowed_nested(a: i32, b: i32, c: i32) { + match (a, b, c) { + //~^ match_single_binding + (x, y, z) => println!("{} {} {}", x, y, z), + } + if let (x, y, z) = (a, b, c) { + println!("{} {} {}", x, y, z) + } + + { + let x: i32 = 1; + match (a, b, c) { + //~^ match_single_binding + (x, y, z) => println!("{} {} {}", x, y, z), + } + if let (x, y, z) = (a, x, c) { + println!("{} {} {}", x, y, z) + } + } + + { + match (a, b, c) { + //~^ match_single_binding + (x, y, z) => println!("{} {} {}", x, y, z), + } + let fn_ = |y| { + println!("{} {} {}", a, b, y); + }; + fn_(c); + } + } +} + +#[allow(clippy::short_circuit_statement)] +fn issue15269(a: usize, b: usize, c: usize) -> bool { + a < b + && match b { + //~^ match_single_binding + b => b < c, + }; + + a < b + && match (a, b) { + //~^ match_single_binding + (a, b) => b < c, + } +} diff --git a/src/tools/clippy/tests/ui/match_single_binding.stderr b/src/tools/clippy/tests/ui/match_single_binding.stderr index f274f80c81d..eea71777890 100644 --- a/src/tools/clippy/tests/ui/match_single_binding.stderr +++ b/src/tools/clippy/tests/ui/match_single_binding.stderr @@ -411,5 +411,119 @@ LL ~ let _n = 1; LL + 42 | -error: aborting due to 29 previous errors +error: this match could be written as a `let` statement + --> tests/ui/match_single_binding.rs:274:9 + | +LL | / match (a, b, c) { +LL | | +LL | | (x, y, z) => println!("{} {} {}", x, y, z), +LL | | } + | |_________^ + | +help: consider using a `let` statement + | +LL ~ { +LL + let (x, y, z) = (a, b, c); +LL + println!("{} {} {}", x, y, z); +LL + } + | + +error: this match could be written as a `let` statement + --> tests/ui/match_single_binding.rs:282:9 + | +LL | / match (a, b, c) { +LL | | +LL | | (x, y, z) => println!("{} {} {}", x, y, z), +LL | | } + | |_________^ + | +help: consider using a `let` statement + | +LL ~ let (x, y, z) = (a, b, c); +LL + println!("{} {} {}", x, y, z) + | + +error: this match could be written as a `let` statement + --> tests/ui/match_single_binding.rs:290:9 + | +LL | / match (a, b, c) { +LL | | +LL | | (x, y, z) => println!("{} {} {}", x, y, z), +LL | | } + | |_________^ + | +help: consider using a `let` statement + | +LL ~ let (x, y, z) = (a, b, c); +LL + println!("{} {} {}", x, y, z); + | + +error: this match could be written as a `let` statement + --> tests/ui/match_single_binding.rs:300:9 + | +LL | / match (a, b, c) { +LL | | +LL | | (x, y, z) => println!("{} {} {}", x, y, z), +LL | | } + | |_________^ + | +help: consider using a `let` statement + | +LL ~ let (x, y, z) = (a, b, c); +LL + println!("{} {} {}", x, y, z); + | + +error: this match could be written as a `let` statement + --> tests/ui/match_single_binding.rs:310:13 + | +LL | / match (a, b, c) { +LL | | +LL | | (x, y, z) => println!("{} {} {}", x, y, z), +LL | | } + | |_____________^ + | +help: consider using a `let` statement + | +LL ~ { +LL + let (x, y, z) = (a, b, c); +LL + println!("{} {} {}", x, y, z); +LL + } + | + +error: this match could be written as a `let` statement + --> tests/ui/match_single_binding.rs:320:13 + | +LL | / match (a, b, c) { +LL | | +LL | | (x, y, z) => println!("{} {} {}", x, y, z), +LL | | } + | |_____________^ + | +help: consider using a `let` statement + | +LL ~ let (x, y, z) = (a, b, c); +LL + println!("{} {} {}", x, y, z); + | + +error: this match could be replaced by its body itself + --> tests/ui/match_single_binding.rs:335:12 + | +LL | && match b { + | ____________^ +LL | | +LL | | b => b < c, +LL | | }; + | |_________^ help: consider using the match body instead: `b < c` + +error: this match could be replaced by its body itself + --> tests/ui/match_single_binding.rs:341:12 + | +LL | && match (a, b) { + | ____________^ +LL | | +LL | | (a, b) => b < c, +LL | | } + | |_________^ help: consider using the match body instead: `b < c` + +error: aborting due to 37 previous errors diff --git a/src/tools/clippy/tests/ui/min_ident_chars.rs b/src/tools/clippy/tests/ui/min_ident_chars.rs index f473ac848a8..e2f82e2a182 100644 --- a/src/tools/clippy/tests/ui/min_ident_chars.rs +++ b/src/tools/clippy/tests/ui/min_ident_chars.rs @@ -124,3 +124,52 @@ fn wrong_pythagoras(a: f32, b: f32) -> f32 { mod issue_11163 { struct Array<T, const N: usize>([T; N]); } + +struct Issue13396; + +impl core::fmt::Display for Issue13396 { + fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result { + write!(f, "Issue13396") + } +} + +impl core::fmt::Debug for Issue13396 { + fn fmt(&self, g: &mut core::fmt::Formatter<'_>) -> core::fmt::Result { + //~^ min_ident_chars + write!(g, "Issue13396") + } +} + +fn issue13396() { + let a = |f: i8| f; + //~^ min_ident_chars + //~| min_ident_chars +} + +trait D { + //~^ min_ident_chars + fn f(g: i32); + //~^ min_ident_chars + //~| min_ident_chars + fn long(long: i32); + + fn g(arg: i8) { + //~^ min_ident_chars + fn c(d: u8) {} + //~^ min_ident_chars + //~| min_ident_chars + } +} + +impl D for Issue13396 { + fn f(g: i32) { + fn h() {} + //~^ min_ident_chars + fn inner(a: i32) {} + //~^ min_ident_chars + let a = |f: String| f; + //~^ min_ident_chars + //~| min_ident_chars + } + fn long(long: i32) {} +} diff --git a/src/tools/clippy/tests/ui/min_ident_chars.stderr b/src/tools/clippy/tests/ui/min_ident_chars.stderr index bd6c45cf648..36bf89e79f0 100644 --- a/src/tools/clippy/tests/ui/min_ident_chars.stderr +++ b/src/tools/clippy/tests/ui/min_ident_chars.stderr @@ -193,5 +193,83 @@ error: this ident consists of a single char LL | fn wrong_pythagoras(a: f32, b: f32) -> f32 { | ^ -error: aborting due to 32 previous errors +error: this ident consists of a single char + --> tests/ui/min_ident_chars.rs:137:19 + | +LL | fn fmt(&self, g: &mut core::fmt::Formatter<'_>) -> core::fmt::Result { + | ^ + +error: this ident consists of a single char + --> tests/ui/min_ident_chars.rs:144:14 + | +LL | let a = |f: i8| f; + | ^ + +error: this ident consists of a single char + --> tests/ui/min_ident_chars.rs:144:9 + | +LL | let a = |f: i8| f; + | ^ + +error: this ident consists of a single char + --> tests/ui/min_ident_chars.rs:149:7 + | +LL | trait D { + | ^ + +error: this ident consists of a single char + --> tests/ui/min_ident_chars.rs:151:10 + | +LL | fn f(g: i32); + | ^ + +error: this ident consists of a single char + --> tests/ui/min_ident_chars.rs:151:8 + | +LL | fn f(g: i32); + | ^ + +error: this ident consists of a single char + --> tests/ui/min_ident_chars.rs:156:8 + | +LL | fn g(arg: i8) { + | ^ + +error: this ident consists of a single char + --> tests/ui/min_ident_chars.rs:158:12 + | +LL | fn c(d: u8) {} + | ^ + +error: this ident consists of a single char + --> tests/ui/min_ident_chars.rs:158:14 + | +LL | fn c(d: u8) {} + | ^ + +error: this ident consists of a single char + --> tests/ui/min_ident_chars.rs:166:12 + | +LL | fn h() {} + | ^ + +error: this ident consists of a single char + --> tests/ui/min_ident_chars.rs:168:18 + | +LL | fn inner(a: i32) {} + | ^ + +error: this ident consists of a single char + --> tests/ui/min_ident_chars.rs:170:18 + | +LL | let a = |f: String| f; + | ^ + +error: this ident consists of a single char + --> tests/ui/min_ident_chars.rs:170:13 + | +LL | let a = |f: String| f; + | ^ + +error: aborting due to 45 previous errors diff --git a/src/tools/clippy/tests/ui/needless_collect_indirect.rs b/src/tools/clippy/tests/ui/needless_collect_indirect.rs index 57d0f2b9948..fff6d2f34b8 100644 --- a/src/tools/clippy/tests/ui/needless_collect_indirect.rs +++ b/src/tools/clippy/tests/ui/needless_collect_indirect.rs @@ -1,5 +1,4 @@ -#![allow(clippy::uninlined_format_args, clippy::useless_vec)] -#![allow(clippy::needless_if, clippy::uninlined_format_args)] +#![allow(clippy::uninlined_format_args, clippy::useless_vec, clippy::needless_if)] #![warn(clippy::needless_collect)] //@no-rustfix use std::collections::{BinaryHeap, HashMap, HashSet, LinkedList, VecDeque}; diff --git a/src/tools/clippy/tests/ui/needless_collect_indirect.stderr b/src/tools/clippy/tests/ui/needless_collect_indirect.stderr index c7bf1b14df8..24523c9f97b 100644 --- a/src/tools/clippy/tests/ui/needless_collect_indirect.stderr +++ b/src/tools/clippy/tests/ui/needless_collect_indirect.stderr @@ -1,5 +1,5 @@ error: avoid using `collect()` when not needed - --> tests/ui/needless_collect_indirect.rs:9:39 + --> tests/ui/needless_collect_indirect.rs:8:39 | LL | let indirect_iter = sample.iter().collect::<Vec<_>>(); | ^^^^^^^ @@ -18,7 +18,7 @@ LL ~ sample.iter().map(|x| (x, x + 1)).collect::<HashMap<_, _>>(); | error: avoid using `collect()` when not needed - --> tests/ui/needless_collect_indirect.rs:13:38 + --> tests/ui/needless_collect_indirect.rs:12:38 | LL | let indirect_len = sample.iter().collect::<VecDeque<_>>(); | ^^^^^^^ @@ -35,7 +35,7 @@ LL ~ sample.iter().count(); | error: avoid using `collect()` when not needed - --> tests/ui/needless_collect_indirect.rs:17:40 + --> tests/ui/needless_collect_indirect.rs:16:40 | LL | let indirect_empty = sample.iter().collect::<VecDeque<_>>(); | ^^^^^^^ @@ -52,7 +52,7 @@ LL ~ sample.iter().next().is_none(); | error: avoid using `collect()` when not needed - --> tests/ui/needless_collect_indirect.rs:21:43 + --> tests/ui/needless_collect_indirect.rs:20:43 | LL | let indirect_contains = sample.iter().collect::<VecDeque<_>>(); | ^^^^^^^ @@ -69,7 +69,7 @@ LL ~ sample.iter().any(|x| x == &5); | error: avoid using `collect()` when not needed - --> tests/ui/needless_collect_indirect.rs:35:48 + --> tests/ui/needless_collect_indirect.rs:34:48 | LL | let non_copy_contains = sample.into_iter().collect::<Vec<_>>(); | ^^^^^^^ @@ -86,7 +86,7 @@ LL ~ sample.into_iter().any(|x| x == a); | error: avoid using `collect()` when not needed - --> tests/ui/needless_collect_indirect.rs:66:51 + --> tests/ui/needless_collect_indirect.rs:65:51 | LL | let buffer: Vec<&str> = string.split('/').collect(); | ^^^^^^^ @@ -103,7 +103,7 @@ LL ~ string.split('/').count() | error: avoid using `collect()` when not needed - --> tests/ui/needless_collect_indirect.rs:73:55 + --> tests/ui/needless_collect_indirect.rs:72:55 | LL | let indirect_len: VecDeque<_> = sample.iter().collect(); | ^^^^^^^ @@ -120,7 +120,7 @@ LL ~ sample.iter().count() | error: avoid using `collect()` when not needed - --> tests/ui/needless_collect_indirect.rs:80:57 + --> tests/ui/needless_collect_indirect.rs:79:57 | LL | let indirect_len: LinkedList<_> = sample.iter().collect(); | ^^^^^^^ @@ -137,7 +137,7 @@ LL ~ sample.iter().count() | error: avoid using `collect()` when not needed - --> tests/ui/needless_collect_indirect.rs:87:57 + --> tests/ui/needless_collect_indirect.rs:86:57 | LL | let indirect_len: BinaryHeap<_> = sample.iter().collect(); | ^^^^^^^ @@ -154,7 +154,7 @@ LL ~ sample.iter().count() | error: avoid using `collect()` when not needed - --> tests/ui/needless_collect_indirect.rs:149:59 + --> tests/ui/needless_collect_indirect.rs:148:59 | LL | let y: Vec<usize> = vec.iter().map(|k| k * k).collect(); | ^^^^^^^ @@ -172,7 +172,7 @@ LL ~ vec.iter().map(|k| k * k).any(|x| x == i); | error: avoid using `collect()` when not needed - --> tests/ui/needless_collect_indirect.rs:176:59 + --> tests/ui/needless_collect_indirect.rs:175:59 | LL | let y: Vec<usize> = vec.iter().map(|k| k * k).collect(); | ^^^^^^^ @@ -190,7 +190,7 @@ LL ~ vec.iter().map(|k| k * k).any(|x| x == n); | error: avoid using `collect()` when not needed - --> tests/ui/needless_collect_indirect.rs:207:63 + --> tests/ui/needless_collect_indirect.rs:206:63 | LL | let y: Vec<usize> = vec.iter().map(|k| k * k).collect(); | ^^^^^^^ @@ -208,7 +208,7 @@ LL ~ vec.iter().map(|k| k * k).any(|x| x == n); | error: avoid using `collect()` when not needed - --> tests/ui/needless_collect_indirect.rs:245:59 + --> tests/ui/needless_collect_indirect.rs:244:59 | LL | let y: Vec<usize> = vec.iter().map(|k| k * k).collect(); | ^^^^^^^ @@ -226,7 +226,7 @@ LL ~ vec.iter().map(|k| k * k).any(|x| x == n); | error: avoid using `collect()` when not needed - --> tests/ui/needless_collect_indirect.rs:272:26 + --> tests/ui/needless_collect_indirect.rs:271:26 | LL | let w = v.iter().collect::<Vec<_>>(); | ^^^^^^^ @@ -244,7 +244,7 @@ LL ~ for _ in 0..v.iter().count() { | error: avoid using `collect()` when not needed - --> tests/ui/needless_collect_indirect.rs:296:30 + --> tests/ui/needless_collect_indirect.rs:295:30 | LL | let mut w = v.iter().collect::<Vec<_>>(); | ^^^^^^^ @@ -262,7 +262,7 @@ LL ~ while 1 == v.iter().count() { | error: avoid using `collect()` when not needed - --> tests/ui/needless_collect_indirect.rs:320:30 + --> tests/ui/needless_collect_indirect.rs:319:30 | LL | let mut w = v.iter().collect::<Vec<_>>(); | ^^^^^^^ diff --git a/src/tools/clippy/tests/ui/nonminimal_bool.rs b/src/tools/clippy/tests/ui/nonminimal_bool.rs index 1eecc3dee3d..cacce9a7d1c 100644 --- a/src/tools/clippy/tests/ui/nonminimal_bool.rs +++ b/src/tools/clippy/tests/ui/nonminimal_bool.rs @@ -236,3 +236,21 @@ mod issue14404 { } } } + +fn dont_simplify_double_not_if_types_differ() { + struct S; + + impl std::ops::Not for S { + type Output = bool; + fn not(self) -> bool { + true + } + } + + // The lint must propose `if !!S`, not `if S`. + // FIXME: `bool_comparison` will propose to use `S == true` + // which is invalid. + if !S != true {} + //~^ nonminimal_bool + //~| bool_comparison +} diff --git a/src/tools/clippy/tests/ui/nonminimal_bool.stderr b/src/tools/clippy/tests/ui/nonminimal_bool.stderr index ecb82a23da0..c20412974b2 100644 --- a/src/tools/clippy/tests/ui/nonminimal_bool.stderr +++ b/src/tools/clippy/tests/ui/nonminimal_bool.stderr @@ -179,7 +179,7 @@ error: inequality checks against true can be replaced by a negation --> tests/ui/nonminimal_bool.rs:186:8 | LL | if !b != true {} - | ^^^^^^^^^^ help: try simplifying it as shown: `!!b` + | ^^^^^^^^^^ help: try simplifying it as shown: `b` error: this boolean expression can be simplified --> tests/ui/nonminimal_bool.rs:189:8 @@ -209,7 +209,7 @@ error: inequality checks against true can be replaced by a negation --> tests/ui/nonminimal_bool.rs:193:8 | LL | if true != !b {} - | ^^^^^^^^^^ help: try simplifying it as shown: `!!b` + | ^^^^^^^^^^ help: try simplifying it as shown: `b` error: this boolean expression can be simplified --> tests/ui/nonminimal_bool.rs:196:8 @@ -235,5 +235,17 @@ error: this boolean expression can be simplified LL | if !(matches!(ty, TyKind::Ref(_, _, _)) && !is_mutable(&expr)) { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `!matches!(ty, TyKind::Ref(_, _, _)) || is_mutable(&expr)` -error: aborting due to 31 previous errors +error: this boolean expression can be simplified + --> tests/ui/nonminimal_bool.rs:253:8 + | +LL | if !S != true {} + | ^^^^^^^^^^ help: try: `S == true` + +error: inequality checks against true can be replaced by a negation + --> tests/ui/nonminimal_bool.rs:253:8 + | +LL | if !S != true {} + | ^^^^^^^^^^ help: try simplifying it as shown: `!!S` + +error: aborting due to 33 previous errors diff --git a/src/tools/clippy/tests/ui/option_if_let_else.fixed b/src/tools/clippy/tests/ui/option_if_let_else.fixed index fe3ac9e8f92..0f86de5646c 100644 --- a/src/tools/clippy/tests/ui/option_if_let_else.fixed +++ b/src/tools/clippy/tests/ui/option_if_let_else.fixed @@ -302,3 +302,15 @@ mod issue11059 { if let Some(o) = o { o } else { &S } } } + +fn issue15379() { + let opt = Some(0usize); + let opt_raw_ptr = &opt as *const Option<usize>; + let _ = unsafe { (*opt_raw_ptr).map_or(1, |o| o) }; + //~^ option_if_let_else +} + +fn issue15002() { + let res: Result<String, ()> = Ok("_".to_string()); + let _ = res.map_or_else(|_| String::new(), |s| s.clone()); +} diff --git a/src/tools/clippy/tests/ui/option_if_let_else.rs b/src/tools/clippy/tests/ui/option_if_let_else.rs index 5b7498bc8e2..7aabd778f87 100644 --- a/src/tools/clippy/tests/ui/option_if_let_else.rs +++ b/src/tools/clippy/tests/ui/option_if_let_else.rs @@ -365,3 +365,19 @@ mod issue11059 { if let Some(o) = o { o } else { &S } } } + +fn issue15379() { + let opt = Some(0usize); + let opt_raw_ptr = &opt as *const Option<usize>; + let _ = unsafe { if let Some(o) = *opt_raw_ptr { o } else { 1 } }; + //~^ option_if_let_else +} + +fn issue15002() { + let res: Result<String, ()> = Ok("_".to_string()); + let _ = match res { + //~^ option_if_let_else + Ok(s) => s.clone(), + Err(_) => String::new(), + }; +} diff --git a/src/tools/clippy/tests/ui/option_if_let_else.stderr b/src/tools/clippy/tests/ui/option_if_let_else.stderr index 9eb41f81a53..2e2fe6f2049 100644 --- a/src/tools/clippy/tests/ui/option_if_let_else.stderr +++ b/src/tools/clippy/tests/ui/option_if_let_else.stderr @@ -334,5 +334,22 @@ error: use Option::map_or_else instead of an if let/else LL | let mut _hm = if let Some(hm) = &opt { hm.clone() } else { new_map!() }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `opt.as_ref().map_or_else(|| new_map!(), |hm| hm.clone())` -error: aborting due to 25 previous errors +error: use Option::map_or instead of an if let/else + --> tests/ui/option_if_let_else.rs:372:22 + | +LL | let _ = unsafe { if let Some(o) = *opt_raw_ptr { o } else { 1 } }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(*opt_raw_ptr).map_or(1, |o| o)` + +error: use Option::map_or_else instead of an if let/else + --> tests/ui/option_if_let_else.rs:378:13 + | +LL | let _ = match res { + | _____________^ +LL | | +LL | | Ok(s) => s.clone(), +LL | | Err(_) => String::new(), +LL | | }; + | |_____^ help: try: `res.map_or_else(|_| String::new(), |s| s.clone())` + +error: aborting due to 27 previous errors diff --git a/src/tools/clippy/tests/ui/search_is_some.rs b/src/tools/clippy/tests/ui/search_is_some.rs index 4143b8bfba5..802d27449ab 100644 --- a/src/tools/clippy/tests/ui/search_is_some.rs +++ b/src/tools/clippy/tests/ui/search_is_some.rs @@ -87,3 +87,18 @@ fn is_none() { let _ = (0..1).find(some_closure).is_none(); //~^ search_is_some } + +#[allow(clippy::match_like_matches_macro)] +fn issue15102() { + let values = [None, Some(3)]; + let has_even = values + //~^ search_is_some + .iter() + .find(|v| match v { + Some(x) if x % 2 == 0 => true, + _ => false, + }) + .is_some(); + + println!("{has_even}"); +} diff --git a/src/tools/clippy/tests/ui/search_is_some.stderr b/src/tools/clippy/tests/ui/search_is_some.stderr index d9a43c8915e..d5412f90111 100644 --- a/src/tools/clippy/tests/ui/search_is_some.stderr +++ b/src/tools/clippy/tests/ui/search_is_some.stderr @@ -90,5 +90,20 @@ error: called `is_none()` after searching an `Iterator` with `find` LL | let _ = (0..1).find(some_closure).is_none(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `!(0..1).any(some_closure)` -error: aborting due to 8 previous errors +error: called `is_some()` after searching an `Iterator` with `find` + --> tests/ui/search_is_some.rs:94:20 + | +LL | let has_even = values + | ____________________^ +LL | | +LL | | .iter() +LL | | .find(|v| match v { +... | +LL | | }) +LL | | .is_some(); + | |__________________^ + | + = help: this is more succinctly expressed by calling `any()` + +error: aborting due to 9 previous errors diff --git a/src/tools/clippy/tests/ui/search_is_some_fixable_some.fixed b/src/tools/clippy/tests/ui/search_is_some_fixable_some.fixed index 42b39b33b57..c7a4422f373 100644 --- a/src/tools/clippy/tests/ui/search_is_some_fixable_some.fixed +++ b/src/tools/clippy/tests/ui/search_is_some_fixable_some.fixed @@ -289,3 +289,10 @@ mod issue9120 { //~^ search_is_some } } + +fn issue15102() { + let values = [None, Some(3)]; + let has_even = values.iter().any(|v| matches!(&v, Some(x) if x % 2 == 0)); + //~^ search_is_some + println!("{has_even}"); +} diff --git a/src/tools/clippy/tests/ui/search_is_some_fixable_some.rs b/src/tools/clippy/tests/ui/search_is_some_fixable_some.rs index ca4f4d941cb..d6b1c67c971 100644 --- a/src/tools/clippy/tests/ui/search_is_some_fixable_some.rs +++ b/src/tools/clippy/tests/ui/search_is_some_fixable_some.rs @@ -297,3 +297,10 @@ mod issue9120 { //~^ search_is_some } } + +fn issue15102() { + let values = [None, Some(3)]; + let has_even = values.iter().find(|v| matches!(v, Some(x) if x % 2 == 0)).is_some(); + //~^ search_is_some + println!("{has_even}"); +} diff --git a/src/tools/clippy/tests/ui/search_is_some_fixable_some.stderr b/src/tools/clippy/tests/ui/search_is_some_fixable_some.stderr index 8291f48d43c..551a670d937 100644 --- a/src/tools/clippy/tests/ui/search_is_some_fixable_some.stderr +++ b/src/tools/clippy/tests/ui/search_is_some_fixable_some.stderr @@ -289,5 +289,11 @@ error: called `is_some()` after searching an `Iterator` with `find` LL | let _ = v.iter().find(|x: &&u32| (*arg_no_deref_dyn)(x)).is_some(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `any(|x: &u32| (*arg_no_deref_dyn)(&x))` -error: aborting due to 46 previous errors +error: called `is_some()` after searching an `Iterator` with `find` + --> tests/ui/search_is_some_fixable_some.rs:303:34 + | +LL | let has_even = values.iter().find(|v| matches!(v, Some(x) if x % 2 == 0)).is_some(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `any(|v| matches!(&v, Some(x) if x % 2 == 0))` + +error: aborting due to 47 previous errors diff --git a/src/tools/clippy/tests/ui/string_to_string.rs b/src/tools/clippy/tests/ui/string_to_string.rs deleted file mode 100644 index 7c5bd8a897b..00000000000 --- a/src/tools/clippy/tests/ui/string_to_string.rs +++ /dev/null @@ -1,21 +0,0 @@ -#![warn(clippy::string_to_string)] -#![allow(clippy::redundant_clone, clippy::unnecessary_literal_unwrap)] - -fn main() { - let mut message = String::from("Hello"); - let mut v = message.to_string(); - //~^ string_to_string - - let variable1 = String::new(); - let v = &variable1; - let variable2 = Some(v); - let _ = variable2.map(|x| { - println!(); - x.to_string() - }); - //~^^ string_to_string - - let x = Some(String::new()); - let _ = x.unwrap_or_else(|| v.to_string()); - //~^ string_to_string -} diff --git a/src/tools/clippy/tests/ui/string_to_string.stderr b/src/tools/clippy/tests/ui/string_to_string.stderr deleted file mode 100644 index 99eea06f18e..00000000000 --- a/src/tools/clippy/tests/ui/string_to_string.stderr +++ /dev/null @@ -1,28 +0,0 @@ -error: `to_string()` called on a `String` - --> tests/ui/string_to_string.rs:6:17 - | -LL | let mut v = message.to_string(); - | ^^^^^^^^^^^^^^^^^^^ - | - = help: consider using `.clone()` - = note: `-D clippy::string-to-string` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::string_to_string)]` - -error: `to_string()` called on a `String` - --> tests/ui/string_to_string.rs:14:9 - | -LL | x.to_string() - | ^^^^^^^^^^^^^ - | - = help: consider using `.clone()` - -error: `to_string()` called on a `String` - --> tests/ui/string_to_string.rs:19:33 - | -LL | let _ = x.unwrap_or_else(|| v.to_string()); - | ^^^^^^^^^^^^^ - | - = help: consider using `.clone()` - -error: aborting due to 3 previous errors - diff --git a/src/tools/clippy/tests/ui/string_to_string_in_map.fixed b/src/tools/clippy/tests/ui/string_to_string_in_map.fixed deleted file mode 100644 index efc085539f1..00000000000 --- a/src/tools/clippy/tests/ui/string_to_string_in_map.fixed +++ /dev/null @@ -1,20 +0,0 @@ -#![deny(clippy::string_to_string)] -#![allow(clippy::unnecessary_literal_unwrap, clippy::useless_vec, clippy::iter_cloned_collect)] - -fn main() { - let variable1 = String::new(); - let v = &variable1; - let variable2 = Some(v); - let _ = variable2.cloned(); - //~^ string_to_string - let _ = variable2.cloned(); - //~^ string_to_string - #[rustfmt::skip] - let _ = variable2.cloned(); - //~^ string_to_string - - let _ = vec![String::new()].iter().cloned().collect::<Vec<_>>(); - //~^ string_to_string - let _ = vec![String::new()].iter().cloned().collect::<Vec<_>>(); - //~^ string_to_string -} diff --git a/src/tools/clippy/tests/ui/string_to_string_in_map.rs b/src/tools/clippy/tests/ui/string_to_string_in_map.rs deleted file mode 100644 index 5bf1d7ba5a2..00000000000 --- a/src/tools/clippy/tests/ui/string_to_string_in_map.rs +++ /dev/null @@ -1,20 +0,0 @@ -#![deny(clippy::string_to_string)] -#![allow(clippy::unnecessary_literal_unwrap, clippy::useless_vec, clippy::iter_cloned_collect)] - -fn main() { - let variable1 = String::new(); - let v = &variable1; - let variable2 = Some(v); - let _ = variable2.map(String::to_string); - //~^ string_to_string - let _ = variable2.map(|x| x.to_string()); - //~^ string_to_string - #[rustfmt::skip] - let _ = variable2.map(|x| { x.to_string() }); - //~^ string_to_string - - let _ = vec![String::new()].iter().map(String::to_string).collect::<Vec<_>>(); - //~^ string_to_string - let _ = vec![String::new()].iter().map(|x| x.to_string()).collect::<Vec<_>>(); - //~^ string_to_string -} diff --git a/src/tools/clippy/tests/ui/string_to_string_in_map.stderr b/src/tools/clippy/tests/ui/string_to_string_in_map.stderr deleted file mode 100644 index 35aeed656ee..00000000000 --- a/src/tools/clippy/tests/ui/string_to_string_in_map.stderr +++ /dev/null @@ -1,38 +0,0 @@ -error: `to_string()` called on a `String` - --> tests/ui/string_to_string_in_map.rs:8:23 - | -LL | let _ = variable2.map(String::to_string); - | ^^^^^^^^^^^^^^^^^^^^^^ help: try: `cloned()` - | -note: the lint level is defined here - --> tests/ui/string_to_string_in_map.rs:1:9 - | -LL | #![deny(clippy::string_to_string)] - | ^^^^^^^^^^^^^^^^^^^^^^^^ - -error: `to_string()` called on a `String` - --> tests/ui/string_to_string_in_map.rs:10:23 - | -LL | let _ = variable2.map(|x| x.to_string()); - | ^^^^^^^^^^^^^^^^^^^^^^ help: try: `cloned()` - -error: `to_string()` called on a `String` - --> tests/ui/string_to_string_in_map.rs:13:23 - | -LL | let _ = variable2.map(|x| { x.to_string() }); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `cloned()` - -error: `to_string()` called on a `String` - --> tests/ui/string_to_string_in_map.rs:16:40 - | -LL | let _ = vec![String::new()].iter().map(String::to_string).collect::<Vec<_>>(); - | ^^^^^^^^^^^^^^^^^^^^^^ help: try: `cloned()` - -error: `to_string()` called on a `String` - --> tests/ui/string_to_string_in_map.rs:18:40 - | -LL | let _ = vec![String::new()].iter().map(|x| x.to_string()).collect::<Vec<_>>(); - | ^^^^^^^^^^^^^^^^^^^^^^ help: try: `cloned()` - -error: aborting due to 5 previous errors - diff --git a/src/tools/clippy/tests/ui/suspicious_else_formatting.rs b/src/tools/clippy/tests/ui/suspicious_else_formatting.rs index 28a3b551116..072e7b27b0d 100644 --- a/src/tools/clippy/tests/ui/suspicious_else_formatting.rs +++ b/src/tools/clippy/tests/ui/suspicious_else_formatting.rs @@ -1,6 +1,6 @@ //@aux-build:proc_macro_suspicious_else_formatting.rs -#![warn(clippy::suspicious_else_formatting)] +#![warn(clippy::suspicious_else_formatting, clippy::possible_missing_else)] #![allow( clippy::if_same_then_else, clippy::let_unit_value, @@ -20,12 +20,12 @@ fn main() { // weird `else` formatting: if foo() { } { - //~^ suspicious_else_formatting + //~^ possible_missing_else } if foo() { } if foo() { - //~^ suspicious_else_formatting + //~^ possible_missing_else } let _ = { // if as the last expression @@ -33,7 +33,7 @@ fn main() { if foo() { } if foo() { - //~^ suspicious_else_formatting + //~^ possible_missing_else } else { } @@ -42,7 +42,7 @@ fn main() { let _ = { // if in the middle of a block if foo() { } if foo() { - //~^ suspicious_else_formatting + //~^ possible_missing_else } else { } diff --git a/src/tools/clippy/tests/ui/suspicious_else_formatting.stderr b/src/tools/clippy/tests/ui/suspicious_else_formatting.stderr index affd20b22d9..04555c6edbd 100644 --- a/src/tools/clippy/tests/ui/suspicious_else_formatting.stderr +++ b/src/tools/clippy/tests/ui/suspicious_else_formatting.stderr @@ -5,8 +5,8 @@ LL | } { | ^ | = note: to remove this lint, add the missing `else` or add a new line before the next block - = note: `-D clippy::suspicious-else-formatting` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::suspicious_else_formatting)]` + = note: `-D clippy::possible-missing-else` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::possible_missing_else)]` error: this looks like an `else if` but the `else` is missing --> tests/ui/suspicious_else_formatting.rs:27:6 @@ -41,6 +41,8 @@ LL | | { | |____^ | = note: to remove this lint, remove the `else` or remove the new line between `else` and `{..}` + = note: `-D clippy::suspicious-else-formatting` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::suspicious_else_formatting)]` error: this is an `else if` but the formatting might hide it --> tests/ui/suspicious_else_formatting.rs:67:6 diff --git a/src/tools/clippy/tests/ui/unnecessary_clippy_cfg.rs b/src/tools/clippy/tests/ui/unnecessary_clippy_cfg.rs index e7e01248dfb..65f67df7913 100644 --- a/src/tools/clippy/tests/ui/unnecessary_clippy_cfg.rs +++ b/src/tools/clippy/tests/ui/unnecessary_clippy_cfg.rs @@ -1,5 +1,6 @@ //@no-rustfix +#![allow(clippy::duplicated_attributes)] #![warn(clippy::unnecessary_clippy_cfg)] #![cfg_attr(clippy, deny(clippy::non_minimal_cfg))] //~^ unnecessary_clippy_cfg @@ -7,7 +8,6 @@ //~^ unnecessary_clippy_cfg #![cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg))] //~^ unnecessary_clippy_cfg -//~| duplicated_attributes #![cfg_attr(clippy, deny(clippy::non_minimal_cfg))] //~^ unnecessary_clippy_cfg @@ -17,7 +17,6 @@ //~^ unnecessary_clippy_cfg #[cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg))] //~^ unnecessary_clippy_cfg -//~| duplicated_attributes #[cfg_attr(clippy, deny(clippy::non_minimal_cfg))] //~^ unnecessary_clippy_cfg diff --git a/src/tools/clippy/tests/ui/unnecessary_clippy_cfg.stderr b/src/tools/clippy/tests/ui/unnecessary_clippy_cfg.stderr index f66c6894954..4f638d5c513 100644 --- a/src/tools/clippy/tests/ui/unnecessary_clippy_cfg.stderr +++ b/src/tools/clippy/tests/ui/unnecessary_clippy_cfg.stderr @@ -1,5 +1,5 @@ error: no need to put clippy lints behind a `clippy` cfg - --> tests/ui/unnecessary_clippy_cfg.rs:4:1 + --> tests/ui/unnecessary_clippy_cfg.rs:5:1 | LL | #![cfg_attr(clippy, deny(clippy::non_minimal_cfg))] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `#![deny(clippy::non_minimal_cfg)]` @@ -8,7 +8,7 @@ LL | #![cfg_attr(clippy, deny(clippy::non_minimal_cfg))] = help: to override `-D warnings` add `#[allow(clippy::unnecessary_clippy_cfg)]` error: no need to put clippy lints behind a `clippy` cfg - --> tests/ui/unnecessary_clippy_cfg.rs:6:37 + --> tests/ui/unnecessary_clippy_cfg.rs:7:37 | LL | #![cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg))] | ^^^^^^^^^^^^^^^^^^^^^^^ @@ -16,7 +16,7 @@ LL | #![cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg))] = note: write instead: `#![deny(clippy::non_minimal_cfg)]` error: no need to put clippy lints behind a `clippy` cfg - --> tests/ui/unnecessary_clippy_cfg.rs:8:37 + --> tests/ui/unnecessary_clippy_cfg.rs:9:37 | LL | #![cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg))] | ^^^^^^^^^^^^^^^^^^^^^^^ @@ -52,46 +52,10 @@ LL | #[cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg))] = note: write instead: `#[deny(clippy::non_minimal_cfg)]` error: no need to put clippy lints behind a `clippy` cfg - --> tests/ui/unnecessary_clippy_cfg.rs:21:1 + --> tests/ui/unnecessary_clippy_cfg.rs:20:1 | LL | #[cfg_attr(clippy, deny(clippy::non_minimal_cfg))] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `#[deny(clippy::non_minimal_cfg)]` -error: duplicated attribute - --> tests/ui/unnecessary_clippy_cfg.rs:8:26 - | -LL | #![cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg))] - | ^^^^^^^^^ - | -note: first defined here - --> tests/ui/unnecessary_clippy_cfg.rs:6:26 - | -LL | #![cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg))] - | ^^^^^^^^^ -help: remove this attribute - --> tests/ui/unnecessary_clippy_cfg.rs:8:26 - | -LL | #![cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg))] - | ^^^^^^^^^ - = note: `-D clippy::duplicated-attributes` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::duplicated_attributes)]` - -error: duplicated attribute - --> tests/ui/unnecessary_clippy_cfg.rs:18:25 - | -LL | #[cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg))] - | ^^^^^^^^^ - | -note: first defined here - --> tests/ui/unnecessary_clippy_cfg.rs:16:25 - | -LL | #[cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg))] - | ^^^^^^^^^ -help: remove this attribute - --> tests/ui/unnecessary_clippy_cfg.rs:18:25 - | -LL | #[cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg))] - | ^^^^^^^^^ - -error: aborting due to 10 previous errors +error: aborting due to 8 previous errors diff --git a/src/tools/clippy/tests/ui/unnecessary_map_or.fixed b/src/tools/clippy/tests/ui/unnecessary_map_or.fixed index 3109c4af8e2..10552431d65 100644 --- a/src/tools/clippy/tests/ui/unnecessary_map_or.fixed +++ b/src/tools/clippy/tests/ui/unnecessary_map_or.fixed @@ -131,6 +131,26 @@ fn issue14201(a: Option<String>, b: Option<String>, s: &String) -> bool { x && y } +fn issue14714() { + assert!(Some("test") == Some("test")); + //~^ unnecessary_map_or + + // even though we're in a macro context, we still need to parenthesise because of the `then` + assert!((Some("test") == Some("test")).then(|| 1).is_some()); + //~^ unnecessary_map_or + + // method lints don't fire on macros + macro_rules! m { + ($x:expr) => { + // should become !($x == Some(1)) + let _ = !$x.map_or(false, |v| v == 1); + // should become $x == Some(1) + let _ = $x.map_or(false, |v| v == 1); + }; + } + m!(Some(5)); +} + fn issue15180() { let s = std::sync::Mutex::new(Some("foo")); _ = s.lock().unwrap().is_some_and(|s| s == "foo"); diff --git a/src/tools/clippy/tests/ui/unnecessary_map_or.rs b/src/tools/clippy/tests/ui/unnecessary_map_or.rs index 52a55f9fc9e..4b406ec2998 100644 --- a/src/tools/clippy/tests/ui/unnecessary_map_or.rs +++ b/src/tools/clippy/tests/ui/unnecessary_map_or.rs @@ -135,6 +135,26 @@ fn issue14201(a: Option<String>, b: Option<String>, s: &String) -> bool { x && y } +fn issue14714() { + assert!(Some("test").map_or(false, |x| x == "test")); + //~^ unnecessary_map_or + + // even though we're in a macro context, we still need to parenthesise because of the `then` + assert!(Some("test").map_or(false, |x| x == "test").then(|| 1).is_some()); + //~^ unnecessary_map_or + + // method lints don't fire on macros + macro_rules! m { + ($x:expr) => { + // should become !($x == Some(1)) + let _ = !$x.map_or(false, |v| v == 1); + // should become $x == Some(1) + let _ = $x.map_or(false, |v| v == 1); + }; + } + m!(Some(5)); +} + fn issue15180() { let s = std::sync::Mutex::new(Some("foo")); _ = s.lock().unwrap().map_or(false, |s| s == "foo"); diff --git a/src/tools/clippy/tests/ui/unnecessary_map_or.stderr b/src/tools/clippy/tests/ui/unnecessary_map_or.stderr index 99e17e8b34b..b8a22346c37 100644 --- a/src/tools/clippy/tests/ui/unnecessary_map_or.stderr +++ b/src/tools/clippy/tests/ui/unnecessary_map_or.stderr @@ -327,7 +327,31 @@ LL + let y = b.is_none_or(|b| b == *s); | error: this `map_or` can be simplified - --> tests/ui/unnecessary_map_or.rs:140:9 + --> tests/ui/unnecessary_map_or.rs:139:13 + | +LL | assert!(Some("test").map_or(false, |x| x == "test")); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: use a standard comparison instead + | +LL - assert!(Some("test").map_or(false, |x| x == "test")); +LL + assert!(Some("test") == Some("test")); + | + +error: this `map_or` can be simplified + --> tests/ui/unnecessary_map_or.rs:143:13 + | +LL | assert!(Some("test").map_or(false, |x| x == "test").then(|| 1).is_some()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: use a standard comparison instead + | +LL - assert!(Some("test").map_or(false, |x| x == "test").then(|| 1).is_some()); +LL + assert!((Some("test") == Some("test")).then(|| 1).is_some()); + | + +error: this `map_or` can be simplified + --> tests/ui/unnecessary_map_or.rs:160:9 | LL | _ = s.lock().unwrap().map_or(false, |s| s == "foo"); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -339,7 +363,7 @@ LL + _ = s.lock().unwrap().is_some_and(|s| s == "foo"); | error: this `map_or` can be simplified - --> tests/ui/unnecessary_map_or.rs:144:9 + --> tests/ui/unnecessary_map_or.rs:164:9 | LL | _ = s.map_or(false, |s| s == "foo"); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -350,5 +374,5 @@ LL - _ = s.map_or(false, |s| s == "foo"); LL + _ = s.is_some_and(|s| s == "foo"); | -error: aborting due to 28 previous errors +error: aborting due to 30 previous errors diff --git a/src/tools/clippy/tests/ui/unnecessary_sort_by.stderr b/src/tools/clippy/tests/ui/unnecessary_sort_by.stderr index 9a38d3746da..a066554037f 100644 --- a/src/tools/clippy/tests/ui/unnecessary_sort_by.stderr +++ b/src/tools/clippy/tests/ui/unnecessary_sort_by.stderr @@ -7,7 +7,7 @@ LL | vec.sort_by(|a, b| a.cmp(b)); = note: `-D clippy::unnecessary-sort-by` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::unnecessary_sort_by)]` -error: consider using `sort` +error: consider using `sort_unstable` --> tests/ui/unnecessary_sort_by.rs:14:5 | LL | vec.sort_unstable_by(|a, b| a.cmp(b)); @@ -19,7 +19,7 @@ error: consider using `sort_by_key` LL | vec.sort_by(|a, b| (a + 5).abs().cmp(&(b + 5).abs())); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `vec.sort_by_key(|a| (a + 5).abs())` -error: consider using `sort_by_key` +error: consider using `sort_unstable_by_key` --> tests/ui/unnecessary_sort_by.rs:18:5 | LL | vec.sort_unstable_by(|a, b| id(-a).cmp(&id(-b))); @@ -31,7 +31,7 @@ error: consider using `sort_by_key` LL | vec.sort_by(|a, b| (b + 5).abs().cmp(&(a + 5).abs())); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `vec.sort_by_key(|b| std::cmp::Reverse((b + 5).abs()))` -error: consider using `sort_by_key` +error: consider using `sort_unstable_by_key` --> tests/ui/unnecessary_sort_by.rs:24:5 | LL | vec.sort_unstable_by(|a, b| id(-b).cmp(&id(-a))); @@ -43,7 +43,7 @@ error: consider using `sort_by_key` LL | vec.sort_by(|a, b| (***a).abs().cmp(&(***b).abs())); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `vec.sort_by_key(|a| (***a).abs())` -error: consider using `sort_by_key` +error: consider using `sort_unstable_by_key` --> tests/ui/unnecessary_sort_by.rs:37:5 | LL | vec.sort_unstable_by(|a, b| (***a).abs().cmp(&(***b).abs())); @@ -55,7 +55,7 @@ error: consider using `sort_by_key` LL | args.sort_by(|a, b| a.name().cmp(&b.name())); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `args.sort_by_key(|a| a.name())` -error: consider using `sort_by_key` +error: consider using `sort_unstable_by_key` --> tests/ui/unnecessary_sort_by.rs:99:9 | LL | args.sort_unstable_by(|a, b| a.name().cmp(&b.name())); @@ -67,7 +67,7 @@ error: consider using `sort_by_key` LL | args.sort_by(|a, b| b.name().cmp(&a.name())); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `args.sort_by_key(|b| std::cmp::Reverse(b.name()))` -error: consider using `sort_by_key` +error: consider using `sort_unstable_by_key` --> tests/ui/unnecessary_sort_by.rs:104:9 | LL | args.sort_unstable_by(|a, b| b.name().cmp(&a.name())); diff --git a/src/tools/clippy/triagebot.toml b/src/tools/clippy/triagebot.toml index a62b6269a3b..805baf2af6d 100644 --- a/src/tools/clippy/triagebot.toml +++ b/src/tools/clippy/triagebot.toml @@ -54,7 +54,6 @@ contributing_url = "https://github.com/rust-lang/rust-clippy/blob/master/CONTRIB users_on_vacation = [ "matthiaskrgr", "Manishearth", - "samueltardieu", ] [assign.owners] diff --git a/src/tools/clippy/util/gh-pages/index_template.html b/src/tools/clippy/util/gh-pages/index_template.html index 5d65ea585df..d34ff0a5973 100644 --- a/src/tools/clippy/util/gh-pages/index_template.html +++ b/src/tools/clippy/util/gh-pages/index_template.html @@ -14,7 +14,6 @@ Otherwise, have a great day =^.^= <title>Clippy Lints</title> {# #} - <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.6/css/bootstrap.min.css"/> {# #} <link id="githubLightHighlight" rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.6.0/styles/github.min.css" disabled="true" /> {# #} <link id="githubDarkHighlight" rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.6.0/styles/github-dark.min.css" disabled="true" /> {# #} @@ -49,7 +48,7 @@ Otherwise, have a great day =^.^= <script src="theme.js"></script> {# #} <div class="container"> {# #} - <h1 class="page-header">Clippy Lints <span id="lint-count" class="badge"></span></h1> {# #} + <h1 class="page-header">Clippy Lints <span class="badge">Total number: {{+ count }}</span></h1> {# #} <noscript> {# #} <div class="alert alert-danger" role="alert"> {# #} @@ -59,9 +58,9 @@ Otherwise, have a great day =^.^= <div id="menu-filters"> {# #} <div class="panel-body row"> {# #} - <div id="upper-filters" class="col-12 col-md-5"> {# #} - <div class="btn-group" id="lint-levels" tabindex="-1"> {# #} - <button type="button" class="btn btn-default dropdown-toggle"> {# #} + <div id="upper-filters"> {# #} + <div id="lint-levels" tabindex="-1"> {# #} + <button type="button" class="btn-default dropdown-toggle"> {# #} Lint levels <span class="badge">4</span> <span class="caret"></span> {# #} </button> {# #} <ul class="dropdown-menu" id="lint-levels-selector"> {# #} @@ -74,8 +73,8 @@ Otherwise, have a great day =^.^= <li role="separator" class="divider"></li> {# #} </ul> {# #} </div> {# #} - <div class="btn-group" id="lint-groups" tabindex="-1"> {# #} - <button type="button" class="btn btn-default dropdown-toggle"> {# #} + <div id="lint-groups" tabindex="-1"> {# #} + <button type="button" class="btn-default dropdown-toggle"> {# #} Lint groups <span class="badge">9</span> <span class="caret"></span> {# #} </button> {# #} <ul class="dropdown-menu" id="lint-groups-selector"> {# #} @@ -91,8 +90,8 @@ Otherwise, have a great day =^.^= <li role="separator" class="divider"></li> {# #} </ul> {# #} </div> {# #} - <div class="btn-group" id="version-filter" tabindex="-1"> {# #} - <button type="button" class="btn btn-default dropdown-toggle"> {# #} + <div id="version-filter" tabindex="-1"> {# #} + <button type="button" class="btn-default dropdown-toggle"> {# #} Version {#+ #} <span id="version-filter-count" class="badge">0</span> {#+ #} <span class="caret"></span> {# #} @@ -104,8 +103,8 @@ Otherwise, have a great day =^.^= <li role="separator" class="divider"></li> {# #} </ul> {# #} </div> {# #} - <div class="btn-group" id="lint-applicabilities" tabindex="-1"> {# #} - <button type="button" class="btn btn-default dropdown-toggle"> {# #} + <div id="lint-applicabilities" tabindex="-1"> {# #} + <button type="button" class="btn-default dropdown-toggle"> {# #} Applicability {#+ #} <span class="badge">4</span> {#+ #} <span class="caret"></span> {# #} @@ -121,22 +120,20 @@ Otherwise, have a great day =^.^= </ul> {# #} </div> {# #} </div> {# #} - <div class="col-12 col-md-5 search-control"> {# #} + <div class="search-control"> {# #} <div class="input-group"> {# #} <label class="input-group-addon" id="filter-label" for="search-input">Filter:</label> {# #} <input type="text" class="form-control filter-input" placeholder="Keywords or search string (`S` or `/` to focus)" id="search-input" /> {# #} - <span class="input-group-btn"> {# #} - <button class="filter-clear btn" type="button" onclick="searchState.clearInput(event)"> {# #} - Clear {# #} - </button> {# #} - </span> {# #} + <button class="filter-clear" type="button" onclick="searchState.clearInput(event)"> {# #} + Clear {# #} + </button> {# #} </div> {# #} </div> {# #} - <div class="col-12 col-md-2 btn-group expansion-group"> {# #} - <button title="Collapse All" class="btn btn-default expansion-control" type="button" id="collapse-all"> {# #} + <div class="btn-group expansion-group"> {# #} + <button title="Collapse All" class="btn-default expansion-control" type="button" id="collapse-all"> {# #} <span class="glyphicon glyphicon-collapse-up"></span> {# #} </button> {# #} - <button title="Expand All" class="btn btn-default expansion-control" type="button" id="expand-all"> {# #} + <button title="Expand All" class="btn-default expansion-control" type="button" id="expand-all"> {# #} <span class="glyphicon glyphicon-collapse-down"></span> {# #} </button> {# #} </div> {# #} diff --git a/src/tools/clippy/util/gh-pages/script.js b/src/tools/clippy/util/gh-pages/script.js index d3204967531..2b6ee67c37d 100644 --- a/src/tools/clippy/util/gh-pages/script.js +++ b/src/tools/clippy/util/gh-pages/script.js @@ -208,6 +208,7 @@ const LEVEL_FILTERS_DEFAULT = { allow: true, warn: true, deny: true, + none: true, }; const APPLICABILITIES_FILTER_DEFAULT = { Unspecified: true, @@ -592,20 +593,8 @@ disableShortcutsButton.checked = disableShortcuts; addListeners(); highlightLazily(); - -function updateLintCount() { - const allLints = filters.getAllLints().filter(lint => lint.group != "deprecated"); - const totalLints = allLints.length; - - const countElement = document.getElementById("lint-count"); - if (countElement) { - countElement.innerText = `Total number: ${totalLints}`; - } -} - generateSettings(); generateSearch(); parseURLFilters(); scrollToLintByURL(); filters.filterLints(); -updateLintCount(); diff --git a/src/tools/clippy/util/gh-pages/style.css b/src/tools/clippy/util/gh-pages/style.css index 66abf4598b0..2cf93b2a71d 100644 --- a/src/tools/clippy/util/gh-pages/style.css +++ b/src/tools/clippy/util/gh-pages/style.css @@ -1,13 +1,73 @@ +body { + --icon-filter: initial; +} + +body.ayu { + --icon-filter: invert(100%); +} + +* { + box-sizing: border-box; +} + blockquote { font-size: 1em; } +h1, h2, h3, h4, h5, h6 { + font-family: inherit; + font-weight: 500; + line-height: 1.1; + color: inherit; +} +h1 { + font-size: 36px; +} + +a { + color: #337ab7; + text-decoration: none; +} + +button { + cursor: pointer; + margin: 0; + font-family: inherit; + font-size: inherit; + line-height: inherit; +} + +label { + display: inline-block; + max-width: 100%; +} + .dropdown-menu { color: var(--fg); background: var(--theme-popup-bg); border: 1px solid var(--theme-popup-border); + border-radius: 4px; + position: absolute; + top: 100%; + left: 0; + z-index: 1000; + display: none; + float: left; + min-width: 160px; + padding: 5px 0; + margin: 2px 0 0; + font-size: 14px; + text-align: left; + list-style: none; + box-shadow: 0 6px 12px rgba(0,0,0,.175); +} +.open > .dropdown-menu { + display: block; } .dropdown-menu .divider { background-color: var(--theme-popup-border); + height: 1px; + margin: 9px 0; + overflow: hidden; } .dropdown-menu .checkbox { @@ -30,18 +90,49 @@ blockquote { font-size: 1em; } background-color: var(--theme-hover); } +.checkbox label { + min-height: 20px; + margin-bottom: 0; + font-weight: 400; + cursor: pointer; +} + +.text-capitalize { + text-transform: capitalize; +} + +.container { + padding-right: 15px; + padding-left: 15px; + margin-right: auto; + margin-left: auto; +} +.container::before { + display: table; + content: " "; +} .container > * { - margin-bottom: 20px; - border-radius: 4px; - background: var(--bg); - border: 1px solid var(--theme-popup-border); - box-shadow: 0 1px 1px rgba(0,0,0,.05); + margin-bottom: 20px; + border-radius: 4px; + background: var(--bg); + border: 1px solid var(--theme-popup-border); + box-shadow: 0 1px 1px rgba(0,0,0,.05); } +div.panel-body { + padding: 15px; +} +div.panel-body::before, div.panel-body::after { + display: table; + content: " "; +} +div.panel-body::after { + clear: both; +} div.panel-body button { background: var(--searchbar-bg); - color: var(--searchbar-fg); border-color: var(--theme-popup-border); + color: var(--searchbar-fg); } div.panel-body button:hover { @@ -52,9 +143,79 @@ div.panel-body button.open { filter: brightness(90%); } -.dropdown-toggle .badge { +.row { + margin-right: -15px; + margin-left: -15px; +} + +#upper-filters { + position: relative; + min-height: 1px; + padding-right: 15px; + padding-left: 15px; +} + +#upper-filters > * { + position: relative; +} + +.btn-group { + position: relative; + display: inline-block; +} +button { + display: inline-block; + padding: 6px 12px; + margin-bottom: 0; + font-size: 14px; + font-weight: 400; + line-height: 1.42857143; + text-align: center; + white-space: nowrap; + vertical-align: middle; + touch-action: manipulation; + cursor: pointer; + user-select: none; + border: 1px solid transparent; + border-radius: 4px; +} +button:hover { + text-decoration: none; +} +.badge { + color: #fff; + position: relative; + top: -1px; + display: inline-block; + min-width: 10px; + padding: 3px 7px; + font-size: 12px; + font-weight: 700; + line-height: 1; + text-align: center; + white-space: nowrap; + vertical-align: middle; + border-radius: 10px; background-color: #777; } +.btn-default:hover { + color: #333; + background-color: #e6e6e6; + border-color: #adadad; +} +.btn-default .badge { + color: #fff; +} +button .caret { + display: inline-block; + width: 0; + height: 0; + margin-left: 0; + vertical-align: middle; + border-top: 4px dashed; + border-right: 4px solid transparent; + border-left: 4px solid transparent; +} .lint-title { cursor: pointer; @@ -81,12 +242,93 @@ article:hover .panel-title-name .anchor { display: inline;} .search-control { margin-top: 15px; + position: relative; + min-height: 1px; + padding-right: 15px; + padding-left: 15px; } -@media (min-width: 992px) { - .search-control { - margin-top: 0; - } +.input-group { + position: relative; + display: flex; +} +.input-group > :last-child { + border-left: 0; +} +.input-group > :first-child, .btn-group > :first-child { + border-right: 0; + border-top-right-radius: 0; + border-bottom-right-radius: 0; +} +.input-group > :last-child, .btn-group > :last-child { + border-top-left-radius: 0; + border-bottom-left-radius: 0; +} +.input-group .form-control:not(:first-child):not(:last-child) { + border-radius: 0; +} +.form-control:focus { + border-color: #66afe9; + outline: 0; + box-shadow: inset 0 1px 1px rgba(0,0,0,.075),0 0 8px rgba(102,175,233,.6); +} +.input-group-addon { + padding: 6px 12px; + font-size: 14px; + font-weight: 400; + line-height: 1; + text-align: center; + border: 1px solid #ccc; + border-radius: 4px; + white-space: nowrap; + display: flex; + align-items: center; + justify-content: center; +} + +.glyphicon.glyphicon-collapse-up::before, .glyphicon.glyphicon-collapse-down::before { + --background-img-size: 14px; + background-repeat: no-repeat; + background-size: var(--background-img-size); + height: calc(var(--background-img-size) + 6px); + display: block; + background-position: 50%; + content: ""; + filter: var(--icon-filter); +} +.glyphicon.glyphicon-collapse-up:hover::before, .glyphicon.glyphicon-collapse-down:hover::before { + filter: initial; +} +.glyphicon.glyphicon-collapse-up::before { + /* Font Awesome Free 6.7.2 by @fontawesome - https://fontawesome.com License - + https://fontawesome.com/license/free Copyright 2025 Fonticons, Inc. */ + background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 \ + 448 512"><path d="M64 80c-8.8 0-16 7.2-16 16l0 320c0 8.8 7.2 16 16 16l320 0c8.8 0 16-7.2 \ + 16-16l0-320c0-8.8-7.2-16-16-16L64 80zM0 96C0 60.7 28.7 32 64 32l320 0c35.3 0 64 28.7 64 \ + 64l0 320c0 35.3-28.7 64-64 64L64 480c-35.3 0-64-28.7-64-64L0 96zm224 64c6.7 0 13 2.8 17.6 \ + 7.7l104 112c6.5 7 8.2 17.2 4.4 25.9s-12.5 14.4-22 14.4l-208 0c-9.5 0-18.2-5.7-22-14.4s-2.\ + 1-18.9 4.4-25.9l104-112c4.5-4.9 10.9-7.7 17.6-7.7z"/></svg>'); +} +.glyphicon.glyphicon-collapse-down::before { + /* Font Awesome Free 6.7.2 by @fontawesome - https://fontawesome.com License - + https://fontawesome.com/license/free Copyright 2025 Fonticons, Inc. */ + background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" \ + viewBox="0 0 448 512"><path d="M384 432c8.8 0 16-7.2 16-16l0-320c0-8.8-7.2-16-16-16L64 \ + 80c-8.8 0-16 7.2-16 16l0 320c0 8.8 7.2 16 16 16l320 0zm64-16c0 35.3-28.7 64-64 64L64 \ + 480c-35.3 0-64-28.7-64-64L0 96C0 60.7 28.7 32 64 32l320 0c35.3 0 64 28.7 64 64l0 320zM224 \ + 352c-6.7 0-13-2.8-17.6-7.7l-104-112c-6.5-7-8.2-17.2-4.4-25.9s12.5-14.4 22-14.4l208 0c9.5 0 \ + 18.2 5.7 22 14.4s2.1 18.9-4.4 25.9l-104 112c-4.5 4.9-10.9 7.7-17.6 7.7z"/></svg>'); +} + +.expansion-group { + margin-top: 15px; + padding: 0px 8px; + display: flex; + flex-wrap: nowrap; +} + +.expansion-control { + width: 50%; } @media (min-width: 405px) { @@ -96,6 +338,38 @@ article:hover .panel-title-name .anchor { display: inline;} } } +@media (min-width: 768px) { + .container { + width: 750px; + } +} + +@media (min-width: 992px) { + .search-control { + margin-top: 0; + } + .container { + width: 970px; + } + #upper-filters, .search-control, .expansion-group { + float: left; + } + #upper-filters, .search-control { + width: 41.66666667%; + } + .expansion-group { + margin-top: 0; + padding: 0px 15px; + width: 16.66666667%; + } +} + +@media (min-width: 1200px) { + .container { + width: 1170px; + } +} + @media (max-width: 430px) { /* Turn the version filter list to the left */ #version-filter-selector { @@ -113,8 +387,20 @@ article:hover .panel-title-name .anchor { display: inline;} } .label { - padding-top: 0.3em; - padding-bottom: 0.3em; + padding: 0.3em 0.6em; + font-size: 75%; + font-weight: 700; + line-height: 1; + color: #fff; + text-align: center; + white-space: nowrap; + vertical-align: baseline; + border-radius: .25em; + text-decoration: none; +} + +.label-default { + background-color: #777; } .lint-level { @@ -207,11 +493,6 @@ article:hover .panel-title-name .anchor { display: inline;} font-family: monospace; } -details { - border-radius: 4px; - padding: .5em .5em 0; -} - pre { padding: 0; } @@ -223,10 +504,6 @@ summary { display: revert; } -details[open] { - padding: .5em; -} - /* Expanding the mdBook theme*/ .light, body:not([class]) { --inline-code-bg: #f6f7f6; @@ -307,13 +584,13 @@ L4.75,12h2.5l0.5393066-2.1572876 c0.2276001-0.1062012,0.4459839-0.2269287,0.649 -0.3701782l2.1323853,0.6099854l1.25-2.1650391L10.2133789,6.362915 C10.2238159,6.241333,\ 10.25,6.1243286,10.25,6z M6,7.5C5.1715698,7.5,4.5,6.8284302,4.5,6S5.1715698,4.5,6,4.5S7.5\ ,5.1715698,7.5,6 S6.8284302,7.5,6,7.5z" fill="black"/></svg>'); - width: 18px; - height: 18px; - display: block; - filter: invert(0.7); - position: absolute; - top: 4px; - left: 5px; + width: 18px; + height: 18px; + display: block; + filter: invert(0.7); + position: absolute; + top: 4px; + left: 5px; } .settings-menu * { @@ -350,6 +627,7 @@ L4.75,12h2.5l0.5393066-2.1572876 c0.2276001-0.1062012,0.4459839-0.2269287,0.649 border-bottom: 1px solid var(--theme-popup-border); padding-bottom: 19px; border-radius: 0; + margin: 40px 0 20px; } pre, hr { background: var(--bg); @@ -401,7 +679,16 @@ ul.dropdown-menu li.checkbox > button:hover { .filter-input { background: var(--searchbar-bg); color: var(--searchbar-fg); - border-color: var(--theme-popup-border); + position: relative; + width: 100%; + margin-bottom: 0; + height: 34px; + padding: 6px 12px; + font-size: 14px; + line-height: 1.42857143; + border: 1px solid var(--theme-popup-border); + box-shadow: inset 0 1px 1px rgba(0,0,0,.075); + transition: border-color ease-in-out .15s,box-shadow ease-in-out .15s; } .filter-input::-webkit-input-placeholder, @@ -410,24 +697,6 @@ ul.dropdown-menu li.checkbox > button:hover { opacity: 30%; } -.expansion-group { - margin-top: 15px; - padding: 0px 8px; - display: flex; - flex-wrap: nowrap; -} - -@media (min-width: 992px) { - .expansion-group { - margin-top: 0; - padding: 0px 15px; - } -} - -.expansion-control { - width: 50%; -} - :not(pre) > code { color: var(--inline-code-color); background-color: var(--inline-code-bg); @@ -438,6 +707,10 @@ html { body { background: var(--bg); color: var(--fg); + font-family: "Helvetica Neue",Helvetica,Arial,sans-serif; + font-size: 14px; + line-height: 1.42857143; + margin: 0; } article > label { diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index 35670ba89e9..f283a625f97 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -356,7 +356,7 @@ impl<'test> TestCx<'test> { if proc_res.status.success() { let err = &format!("{} test did not emit an error", self.config.mode); let extra_note = (self.config.mode == crate::common::TestMode::Ui) - .then_some("note: by default, ui tests are expected not to compile"); + .then_some("note: by default, ui tests are expected not to compile.\nhint: use check-pass, build-pass, or run-pass directive to change this behavior."); self.fatal_proc_rec_general(err, extra_note, proc_res, || ()); } @@ -2567,6 +2567,11 @@ impl<'test> TestCx<'test> { }) .into_owned(); + // Normalize thread IDs in panic messages + normalized = static_regex!(r"thread '(?P<name>.*?)' \((rtid )?\d+\) panicked") + .replace_all(&normalized, "thread '$name' ($$TID) panicked") + .into_owned(); + normalized = normalized.replace("\t", "\\t"); // makes tabs visible // Remove test annotations like `//~ ERROR text` from the output, diff --git a/src/tools/miri/src/intrinsics/mod.rs b/src/tools/miri/src/intrinsics/mod.rs index b5e81460773..e0e09ac6835 100644 --- a/src/tools/miri/src/intrinsics/mod.rs +++ b/src/tools/miri/src/intrinsics/mod.rs @@ -3,20 +3,16 @@ mod atomic; mod simd; -use std::ops::Neg; - use rand::Rng; use rustc_abi::Size; -use rustc_apfloat::ieee::{IeeeFloat, Semantics}; use rustc_apfloat::{self, Float, Round}; use rustc_middle::mir; -use rustc_middle::ty::{self, FloatTy, ScalarInt}; +use rustc_middle::ty::{self, FloatTy}; use rustc_span::{Symbol, sym}; use self::atomic::EvalContextExt as _; use self::helpers::{ToHost, ToSoft}; use self::simd::EvalContextExt as _; -use crate::math::{IeeeExt, apply_random_float_error_ulp}; use crate::*; /// Check that the number of args is what we expect. @@ -209,7 +205,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let [f] = check_intrinsic_arg_count(args)?; let f = this.read_scalar(f)?.to_f32()?; - let res = fixed_float_value(this, intrinsic_name, &[f]).unwrap_or_else(|| { + let res = math::fixed_float_value(this, intrinsic_name, &[f]).unwrap_or_else(|| { // Using host floats (but it's fine, these operations do not have // guaranteed precision). let host = f.to_host(); @@ -227,7 +223,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { // Apply a relative error of 4ULP to introduce some non-determinism // simulating imprecise implementations and optimizations. - let res = apply_random_float_error_ulp( + let res = math::apply_random_float_error_ulp( this, res, 2, // log2(4) @@ -235,7 +231,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { // Clamp the result to the guaranteed range of this function according to the C standard, // if any. - clamp_float_value(intrinsic_name, res) + math::clamp_float_value(intrinsic_name, res) }); let res = this.adjust_nan(res, &[f]); this.write_scalar(res, dest)?; @@ -253,7 +249,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let [f] = check_intrinsic_arg_count(args)?; let f = this.read_scalar(f)?.to_f64()?; - let res = fixed_float_value(this, intrinsic_name, &[f]).unwrap_or_else(|| { + let res = math::fixed_float_value(this, intrinsic_name, &[f]).unwrap_or_else(|| { // Using host floats (but it's fine, these operations do not have // guaranteed precision). let host = f.to_host(); @@ -271,7 +267,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { // Apply a relative error of 4ULP to introduce some non-determinism // simulating imprecise implementations and optimizations. - let res = apply_random_float_error_ulp( + let res = math::apply_random_float_error_ulp( this, res, 2, // log2(4) @@ -279,7 +275,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { // Clamp the result to the guaranteed range of this function according to the C standard, // if any. - clamp_float_value(intrinsic_name, res) + math::clamp_float_value(intrinsic_name, res) }); let res = this.adjust_nan(res, &[f]); this.write_scalar(res, dest)?; @@ -330,16 +326,17 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let f1 = this.read_scalar(f1)?.to_f32()?; let f2 = this.read_scalar(f2)?.to_f32()?; - let res = fixed_float_value(this, intrinsic_name, &[f1, f2]).unwrap_or_else(|| { - // Using host floats (but it's fine, this operation does not have guaranteed precision). - let res = f1.to_host().powf(f2.to_host()).to_soft(); + let res = + math::fixed_float_value(this, intrinsic_name, &[f1, f2]).unwrap_or_else(|| { + // Using host floats (but it's fine, this operation does not have guaranteed precision). + let res = f1.to_host().powf(f2.to_host()).to_soft(); - // Apply a relative error of 4ULP to introduce some non-determinism - // simulating imprecise implementations and optimizations. - apply_random_float_error_ulp( - this, res, 2, // log2(4) - ) - }); + // Apply a relative error of 4ULP to introduce some non-determinism + // simulating imprecise implementations and optimizations. + math::apply_random_float_error_ulp( + this, res, 2, // log2(4) + ) + }); let res = this.adjust_nan(res, &[f1, f2]); this.write_scalar(res, dest)?; } @@ -348,16 +345,17 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let f1 = this.read_scalar(f1)?.to_f64()?; let f2 = this.read_scalar(f2)?.to_f64()?; - let res = fixed_float_value(this, intrinsic_name, &[f1, f2]).unwrap_or_else(|| { - // Using host floats (but it's fine, this operation does not have guaranteed precision). - let res = f1.to_host().powf(f2.to_host()).to_soft(); + let res = + math::fixed_float_value(this, intrinsic_name, &[f1, f2]).unwrap_or_else(|| { + // Using host floats (but it's fine, this operation does not have guaranteed precision). + let res = f1.to_host().powf(f2.to_host()).to_soft(); - // Apply a relative error of 4ULP to introduce some non-determinism - // simulating imprecise implementations and optimizations. - apply_random_float_error_ulp( - this, res, 2, // log2(4) - ) - }); + // Apply a relative error of 4ULP to introduce some non-determinism + // simulating imprecise implementations and optimizations. + math::apply_random_float_error_ulp( + this, res, 2, // log2(4) + ) + }); let res = this.adjust_nan(res, &[f1, f2]); this.write_scalar(res, dest)?; } @@ -367,13 +365,13 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let f = this.read_scalar(f)?.to_f32()?; let i = this.read_scalar(i)?.to_i32()?; - let res = fixed_powi_float_value(this, f, i).unwrap_or_else(|| { + let res = math::fixed_powi_value(this, f, i).unwrap_or_else(|| { // Using host floats (but it's fine, this operation does not have guaranteed precision). let res = f.to_host().powi(i).to_soft(); // Apply a relative error of 4ULP to introduce some non-determinism // simulating imprecise implementations and optimizations. - apply_random_float_error_ulp( + math::apply_random_float_error_ulp( this, res, 2, // log2(4) ) }); @@ -385,13 +383,13 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let f = this.read_scalar(f)?.to_f64()?; let i = this.read_scalar(i)?.to_i32()?; - let res = fixed_powi_float_value(this, f, i).unwrap_or_else(|| { + let res = math::fixed_powi_value(this, f, i).unwrap_or_else(|| { // Using host floats (but it's fine, this operation does not have guaranteed precision). let res = f.to_host().powi(i).to_soft(); // Apply a relative error of 4ULP to introduce some non-determinism // simulating imprecise implementations and optimizations. - apply_random_float_error_ulp( + math::apply_random_float_error_ulp( this, res, 2, // log2(4) ) }); @@ -448,7 +446,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } // Apply a relative error of 4ULP to simulate non-deterministic precision loss // due to optimizations. - let res = apply_random_float_error_to_imm(this, res, 2 /* log2(4) */)?; + let res = math::apply_random_float_error_to_imm(this, res, 2 /* log2(4) */)?; this.write_immediate(*res, dest)?; } @@ -485,133 +483,3 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { interp_ok(EmulateItemResult::NeedsReturn) } } - -/// Applies a random ULP floating point error to `val` and returns the new value. -/// So if you want an X ULP error, `ulp_exponent` should be log2(X). -/// -/// Will fail if `val` is not a floating point number. -fn apply_random_float_error_to_imm<'tcx>( - ecx: &mut MiriInterpCx<'tcx>, - val: ImmTy<'tcx>, - ulp_exponent: u32, -) -> InterpResult<'tcx, ImmTy<'tcx>> { - let scalar = val.to_scalar_int()?; - let res: ScalarInt = match val.layout.ty.kind() { - ty::Float(FloatTy::F16) => - apply_random_float_error_ulp(ecx, scalar.to_f16(), ulp_exponent).into(), - ty::Float(FloatTy::F32) => - apply_random_float_error_ulp(ecx, scalar.to_f32(), ulp_exponent).into(), - ty::Float(FloatTy::F64) => - apply_random_float_error_ulp(ecx, scalar.to_f64(), ulp_exponent).into(), - ty::Float(FloatTy::F128) => - apply_random_float_error_ulp(ecx, scalar.to_f128(), ulp_exponent).into(), - _ => bug!("intrinsic called with non-float input type"), - }; - - interp_ok(ImmTy::from_scalar_int(res, val.layout)) -} - -/// For the intrinsics: -/// - sinf32, sinf64 -/// - cosf32, cosf64 -/// - expf32, expf64, exp2f32, exp2f64 -/// - logf32, logf64, log2f32, log2f64, log10f32, log10f64 -/// - powf32, powf64 -/// -/// # Return -/// -/// Returns `Some(output)` if the `intrinsic` results in a defined fixed `output` specified in the C standard -/// (specifically, C23 annex F.10) when given `args` as arguments. Outputs that are unaffected by a relative error -/// (such as INF and zero) are not handled here, they are assumed to be handled by the underlying -/// implementation. Returns `None` if no specific value is guaranteed. -/// -/// # Note -/// -/// For `powf*` operations of the form: -/// -/// - `(SNaN)^(±0)` -/// - `1^(SNaN)` -/// -/// The result is implementation-defined: -/// - musl returns for both `1.0` -/// - glibc returns for both `NaN` -/// -/// This discrepancy exists because SNaN handling is not consistently defined across platforms, -/// and the C standard leaves behavior for SNaNs unspecified. -/// -/// Miri chooses to adhere to both implementations and returns either one of them non-deterministically. -fn fixed_float_value<S: Semantics>( - ecx: &mut MiriInterpCx<'_>, - intrinsic_name: &str, - args: &[IeeeFloat<S>], -) -> Option<IeeeFloat<S>> { - let one = IeeeFloat::<S>::one(); - Some(match (intrinsic_name, args) { - // cos(+- 0) = 1 - ("cosf32" | "cosf64", [input]) if input.is_zero() => one, - - // e^0 = 1 - ("expf32" | "expf64" | "exp2f32" | "exp2f64", [input]) if input.is_zero() => one, - - // (-1)^(±INF) = 1 - ("powf32" | "powf64", [base, exp]) if *base == -one && exp.is_infinite() => one, - - // 1^y = 1 for any y, even a NaN - ("powf32" | "powf64", [base, exp]) if *base == one => { - let rng = ecx.machine.rng.get_mut(); - // SNaN exponents get special treatment: they might return 1, or a NaN. - let return_nan = exp.is_signaling() && ecx.machine.float_nondet && rng.random(); - // Handle both the musl and glibc cases non-deterministically. - if return_nan { ecx.generate_nan(args) } else { one } - } - - // x^(±0) = 1 for any x, even a NaN - ("powf32" | "powf64", [base, exp]) if exp.is_zero() => { - let rng = ecx.machine.rng.get_mut(); - // SNaN bases get special treatment: they might return 1, or a NaN. - let return_nan = base.is_signaling() && ecx.machine.float_nondet && rng.random(); - // Handle both the musl and glibc cases non-deterministically. - if return_nan { ecx.generate_nan(args) } else { one } - } - - // There are a lot of cases for fixed outputs according to the C Standard, but these are - // mainly INF or zero which are not affected by the applied error. - _ => return None, - }) -} - -/// Returns `Some(output)` if `powi` (called `pown` in C) results in a fixed value specified in the -/// C standard (specifically, C23 annex F.10.4.6) when doing `base^exp`. Otherwise, returns `None`. -fn fixed_powi_float_value<S: Semantics>( - ecx: &mut MiriInterpCx<'_>, - base: IeeeFloat<S>, - exp: i32, -) -> Option<IeeeFloat<S>> { - Some(match exp { - 0 => { - let one = IeeeFloat::<S>::one(); - let rng = ecx.machine.rng.get_mut(); - let return_nan = ecx.machine.float_nondet && rng.random() && base.is_signaling(); - // For SNaN treatment, we are consistent with `powf`above. - // (We wouldn't have two, unlike powf all implementations seem to agree for powi, - // but for now we are maximally conservative.) - if return_nan { ecx.generate_nan(&[base]) } else { one } - } - - _ => return None, - }) -} - -/// Given an floating-point operation and a floating-point value, clamps the result to the output -/// range of the given operation. -fn clamp_float_value<S: Semantics>(intrinsic_name: &str, val: IeeeFloat<S>) -> IeeeFloat<S> { - match intrinsic_name { - // sin and cos: [-1, 1] - "sinf32" | "cosf32" | "sinf64" | "cosf64" => - val.clamp(IeeeFloat::<S>::one().neg(), IeeeFloat::<S>::one()), - // exp: [0, +INF] - "expf32" | "exp2f32" | "expf64" | "exp2f64" => - IeeeFloat::<S>::maximum(val, IeeeFloat::<S>::ZERO), - _ => val, - } -} diff --git a/src/tools/miri/src/lib.rs b/src/tools/miri/src/lib.rs index 2b92c25a424..9272cd29788 100644 --- a/src/tools/miri/src/lib.rs +++ b/src/tools/miri/src/lib.rs @@ -1,3 +1,4 @@ +#![cfg_attr(bootstrap, feature(strict_overflow_ops))] #![feature(abort_unwind)] #![feature(cfg_select)] #![feature(rustc_private)] @@ -11,13 +12,14 @@ #![feature(variant_count)] #![feature(yeet_expr)] #![feature(nonzero_ops)] -#![feature(strict_overflow_ops)] #![feature(pointer_is_aligned_to)] #![feature(ptr_metadata)] #![feature(unqualified_local_imports)] #![feature(derive_coerce_pointee)] #![feature(arbitrary_self_types)] #![feature(iter_advance_by)] +#![feature(f16)] +#![feature(f128)] // Configure clippy and other lints #![allow( clippy::collapsible_else_if, diff --git a/src/tools/miri/src/math.rs b/src/tools/miri/src/math.rs index e9e5a1070c9..3eee6b82e8c 100644 --- a/src/tools/miri/src/math.rs +++ b/src/tools/miri/src/math.rs @@ -1,6 +1,9 @@ +use std::ops::Neg; +use std::{f16, f32, f64, f128}; + use rand::Rng as _; use rustc_apfloat::Float as _; -use rustc_apfloat::ieee::IeeeFloat; +use rustc_apfloat::ieee::{DoubleS, HalfS, IeeeFloat, QuadS, Semantics, SingleS}; use rustc_middle::ty::{self, FloatTy, ScalarInt}; use crate::*; @@ -50,29 +53,236 @@ pub(crate) fn apply_random_float_error_ulp<F: rustc_apfloat::Float>( apply_random_float_error(ecx, val, err_scale) } -/// Applies a random 16ULP floating point error to `val` and returns the new value. +/// Applies a random ULP floating point error to `val` and returns the new value. +/// So if you want an X ULP error, `ulp_exponent` should be log2(X). +/// /// Will fail if `val` is not a floating point number. pub(crate) fn apply_random_float_error_to_imm<'tcx>( ecx: &mut MiriInterpCx<'tcx>, val: ImmTy<'tcx>, ulp_exponent: u32, ) -> InterpResult<'tcx, ImmTy<'tcx>> { + let this = ecx.eval_context_mut(); let scalar = val.to_scalar_int()?; let res: ScalarInt = match val.layout.ty.kind() { ty::Float(FloatTy::F16) => - apply_random_float_error_ulp(ecx, scalar.to_f16(), ulp_exponent).into(), + apply_random_float_error_ulp(this, scalar.to_f16(), ulp_exponent).into(), ty::Float(FloatTy::F32) => - apply_random_float_error_ulp(ecx, scalar.to_f32(), ulp_exponent).into(), + apply_random_float_error_ulp(this, scalar.to_f32(), ulp_exponent).into(), ty::Float(FloatTy::F64) => - apply_random_float_error_ulp(ecx, scalar.to_f64(), ulp_exponent).into(), + apply_random_float_error_ulp(this, scalar.to_f64(), ulp_exponent).into(), ty::Float(FloatTy::F128) => - apply_random_float_error_ulp(ecx, scalar.to_f128(), ulp_exponent).into(), + apply_random_float_error_ulp(this, scalar.to_f128(), ulp_exponent).into(), _ => bug!("intrinsic called with non-float input type"), }; interp_ok(ImmTy::from_scalar_int(res, val.layout)) } +/// Given a floating-point operation and a floating-point value, clamps the result to the output +/// range of the given operation according to the C standard, if any. +pub(crate) fn clamp_float_value<S: Semantics>( + intrinsic_name: &str, + val: IeeeFloat<S>, +) -> IeeeFloat<S> +where + IeeeFloat<S>: IeeeExt, +{ + let zero = IeeeFloat::<S>::ZERO; + let one = IeeeFloat::<S>::one(); + let two = IeeeFloat::<S>::two(); + let pi = IeeeFloat::<S>::pi(); + let pi_over_2 = (pi / two).value; + + match intrinsic_name { + // sin, cos, tanh: [-1, 1] + #[rustfmt::skip] + | "sinf32" + | "sinf64" + | "cosf32" + | "cosf64" + | "tanhf" + | "tanh" + => val.clamp(one.neg(), one), + + // exp: [0, +INF) + "expf32" | "exp2f32" | "expf64" | "exp2f64" => val.maximum(zero), + + // cosh: [1, +INF) + "coshf" | "cosh" => val.maximum(one), + + // acos: [0, π] + "acosf" | "acos" => val.clamp(zero, pi), + + // asin: [-π, +π] + "asinf" | "asin" => val.clamp(pi.neg(), pi), + + // atan: (-π/2, +π/2) + "atanf" | "atan" => val.clamp(pi_over_2.neg(), pi_over_2), + + // erfc: (-1, 1) + "erff" | "erf" => val.clamp(one.neg(), one), + + // erfc: (0, 2) + "erfcf" | "erfc" => val.clamp(zero, two), + + // atan2(y, x): arctan(y/x) in [−π, +π] + "atan2f" | "atan2" => val.clamp(pi.neg(), pi), + + _ => val, + } +} + +/// For the intrinsics: +/// - sinf32, sinf64, sinhf, sinh +/// - cosf32, cosf64, coshf, cosh +/// - tanhf, tanh, atanf, atan, atan2f, atan2 +/// - expf32, expf64, exp2f32, exp2f64 +/// - logf32, logf64, log2f32, log2f64, log10f32, log10f64 +/// - powf32, powf64 +/// - erff, erf, erfcf, erfc +/// - hypotf, hypot +/// +/// # Return +/// +/// Returns `Some(output)` if the `intrinsic` results in a defined fixed `output` specified in the C standard +/// (specifically, C23 annex F.10) when given `args` as arguments. Outputs that are unaffected by a relative error +/// (such as INF and zero) are not handled here, they are assumed to be handled by the underlying +/// implementation. Returns `None` if no specific value is guaranteed. +/// +/// # Note +/// +/// For `powf*` operations of the form: +/// +/// - `(SNaN)^(±0)` +/// - `1^(SNaN)` +/// +/// The result is implementation-defined: +/// - musl returns for both `1.0` +/// - glibc returns for both `NaN` +/// +/// This discrepancy exists because SNaN handling is not consistently defined across platforms, +/// and the C standard leaves behavior for SNaNs unspecified. +/// +/// Miri chooses to adhere to both implementations and returns either one of them non-deterministically. +pub(crate) fn fixed_float_value<S: Semantics>( + ecx: &mut MiriInterpCx<'_>, + intrinsic_name: &str, + args: &[IeeeFloat<S>], +) -> Option<IeeeFloat<S>> +where + IeeeFloat<S>: IeeeExt, +{ + let this = ecx.eval_context_mut(); + let one = IeeeFloat::<S>::one(); + let two = IeeeFloat::<S>::two(); + let three = IeeeFloat::<S>::three(); + let pi = IeeeFloat::<S>::pi(); + let pi_over_2 = (pi / two).value; + let pi_over_4 = (pi_over_2 / two).value; + + Some(match (intrinsic_name, args) { + // cos(±0) and cosh(±0)= 1 + ("cosf32" | "cosf64" | "coshf" | "cosh", [input]) if input.is_zero() => one, + + // e^0 = 1 + ("expf32" | "expf64" | "exp2f32" | "exp2f64", [input]) if input.is_zero() => one, + + // tanh(±INF) = ±1 + ("tanhf" | "tanh", [input]) if input.is_infinite() => one.copy_sign(*input), + + // atan(±INF) = ±π/2 + ("atanf" | "atan", [input]) if input.is_infinite() => pi_over_2.copy_sign(*input), + + // erf(±INF) = ±1 + ("erff" | "erf", [input]) if input.is_infinite() => one.copy_sign(*input), + + // erfc(-INF) = 2 + ("erfcf" | "erfc", [input]) if input.is_neg_infinity() => (one + one).value, + + // hypot(x, ±0) = abs(x), if x is not a NaN. + ("_hypotf" | "hypotf" | "_hypot" | "hypot", [x, y]) if !x.is_nan() && y.is_zero() => + x.abs(), + + // atan2(±0,−0) = ±π. + // atan2(±0, y) = ±π for y < 0. + // Must check for non NaN because `y.is_negative()` also applies to NaN. + ("atan2f" | "atan2", [x, y]) if (x.is_zero() && (y.is_negative() && !y.is_nan())) => + pi.copy_sign(*x), + + // atan2(±x,−∞) = ±π for finite x > 0. + ("atan2f" | "atan2", [x, y]) + if (!x.is_zero() && !x.is_infinite()) && y.is_neg_infinity() => + pi.copy_sign(*x), + + // atan2(x, ±0) = −π/2 for x < 0. + // atan2(x, ±0) = π/2 for x > 0. + ("atan2f" | "atan2", [x, y]) if !x.is_zero() && y.is_zero() => pi_over_2.copy_sign(*x), + + //atan2(±∞, −∞) = ±3π/4 + ("atan2f" | "atan2", [x, y]) if x.is_infinite() && y.is_neg_infinity() => + (pi_over_4 * three).value.copy_sign(*x), + + //atan2(±∞, +∞) = ±π/4 + ("atan2f" | "atan2", [x, y]) if x.is_infinite() && y.is_pos_infinity() => + pi_over_4.copy_sign(*x), + + // atan2(±∞, y) returns ±π/2 for finite y. + ("atan2f" | "atan2", [x, y]) if x.is_infinite() && (!y.is_infinite() && !y.is_nan()) => + pi_over_2.copy_sign(*x), + + // (-1)^(±INF) = 1 + ("powf32" | "powf64", [base, exp]) if *base == -one && exp.is_infinite() => one, + + // 1^y = 1 for any y, even a NaN + ("powf32" | "powf64", [base, exp]) if *base == one => { + let rng = this.machine.rng.get_mut(); + // SNaN exponents get special treatment: they might return 1, or a NaN. + let return_nan = exp.is_signaling() && this.machine.float_nondet && rng.random(); + // Handle both the musl and glibc cases non-deterministically. + if return_nan { this.generate_nan(args) } else { one } + } + + // x^(±0) = 1 for any x, even a NaN + ("powf32" | "powf64", [base, exp]) if exp.is_zero() => { + let rng = this.machine.rng.get_mut(); + // SNaN bases get special treatment: they might return 1, or a NaN. + let return_nan = base.is_signaling() && this.machine.float_nondet && rng.random(); + // Handle both the musl and glibc cases non-deterministically. + if return_nan { this.generate_nan(args) } else { one } + } + + // There are a lot of cases for fixed outputs according to the C Standard, but these are + // mainly INF or zero which are not affected by the applied error. + _ => return None, + }) +} + +/// Returns `Some(output)` if `powi` (called `pown` in C) results in a fixed value specified in the +/// C standard (specifically, C23 annex F.10.4.6) when doing `base^exp`. Otherwise, returns `None`. +pub(crate) fn fixed_powi_value<S: Semantics>( + ecx: &mut MiriInterpCx<'_>, + base: IeeeFloat<S>, + exp: i32, +) -> Option<IeeeFloat<S>> +where + IeeeFloat<S>: IeeeExt, +{ + match exp { + 0 => { + let one = IeeeFloat::<S>::one(); + let rng = ecx.machine.rng.get_mut(); + let return_nan = ecx.machine.float_nondet && rng.random() && base.is_signaling(); + // For SNaN treatment, we are consistent with `powf`above. + // (We wouldn't have two, unlike powf all implementations seem to agree for powi, + // but for now we are maximally conservative.) + Some(if return_nan { ecx.generate_nan(&[base]) } else { one }) + } + + _ => return None, + } +} + pub(crate) fn sqrt<S: rustc_apfloat::ieee::Semantics>(x: IeeeFloat<S>) -> IeeeFloat<S> { match x.category() { // preserve zero sign @@ -155,19 +365,49 @@ pub(crate) fn sqrt<S: rustc_apfloat::ieee::Semantics>(x: IeeeFloat<S>) -> IeeeFl } } -/// Extend functionality of rustc_apfloat softfloats +/// Extend functionality of `rustc_apfloat` softfloats for IEEE float types. pub trait IeeeExt: rustc_apfloat::Float { + // Some values we use: + #[inline] fn one() -> Self { Self::from_u128(1).value } #[inline] + fn two() -> Self { + Self::from_u128(2).value + } + + #[inline] + fn three() -> Self { + Self::from_u128(3).value + } + + fn pi() -> Self; + + #[inline] fn clamp(self, min: Self, max: Self) -> Self { self.maximum(min).minimum(max) } } -impl<S: rustc_apfloat::ieee::Semantics> IeeeExt for IeeeFloat<S> {} + +macro_rules! impl_ieee_pi { + ($float_ty:ident, $semantic:ty) => { + impl IeeeExt for IeeeFloat<$semantic> { + #[inline] + fn pi() -> Self { + // We take the value from the standard library as the most reasonable source for an exact π here. + Self::from_bits($float_ty::consts::PI.to_bits() as _) + } + } + }; +} + +impl_ieee_pi!(f16, HalfS); +impl_ieee_pi!(f32, SingleS); +impl_ieee_pi!(f64, DoubleS); +impl_ieee_pi!(f128, QuadS); #[cfg(test)] mod tests { diff --git a/src/tools/miri/src/shims/foreign_items.rs b/src/tools/miri/src/shims/foreign_items.rs index 21545b68029..bf4db2de2d7 100644 --- a/src/tools/miri/src/shims/foreign_items.rs +++ b/src/tools/miri/src/shims/foreign_items.rs @@ -17,6 +17,7 @@ use rustc_target::callconv::FnAbi; use self::helpers::{ToHost, ToSoft}; use super::alloc::EvalContextExt as _; use super::backtrace::EvalContextExt as _; +use crate::helpers::EvalContextExt as _; use crate::*; /// Type of dynamic symbols (for `dlsym` et al) @@ -779,33 +780,38 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { => { let [f] = this.check_shim_sig_lenient(abi, CanonAbi::C , link_name, args)?; let f = this.read_scalar(f)?.to_f32()?; - // Using host floats (but it's fine, these operations do not have guaranteed precision). - let f_host = f.to_host(); - let res = match link_name.as_str() { - "cbrtf" => f_host.cbrt(), - "coshf" => f_host.cosh(), - "sinhf" => f_host.sinh(), - "tanf" => f_host.tan(), - "tanhf" => f_host.tanh(), - "acosf" => f_host.acos(), - "asinf" => f_host.asin(), - "atanf" => f_host.atan(), - "log1pf" => f_host.ln_1p(), - "expm1f" => f_host.exp_m1(), - "tgammaf" => f_host.gamma(), - "erff" => f_host.erf(), - "erfcf" => f_host.erfc(), - _ => bug!(), - }; - let res = res.to_soft(); - // Apply a relative error of 16ULP to introduce some non-determinism - // simulating imprecise implementations and optimizations. - // FIXME: temporarily disabled as it breaks std tests. - // let res = math::apply_random_float_error_ulp( - // this, - // res, - // 4, // log2(16) - // ); + + let res = math::fixed_float_value(this, link_name.as_str(), &[f]).unwrap_or_else(|| { + // Using host floats (but it's fine, these operations do not have + // guaranteed precision). + let f_host = f.to_host(); + let res = match link_name.as_str() { + "cbrtf" => f_host.cbrt(), + "coshf" => f_host.cosh(), + "sinhf" => f_host.sinh(), + "tanf" => f_host.tan(), + "tanhf" => f_host.tanh(), + "acosf" => f_host.acos(), + "asinf" => f_host.asin(), + "atanf" => f_host.atan(), + "log1pf" => f_host.ln_1p(), + "expm1f" => f_host.exp_m1(), + "tgammaf" => f_host.gamma(), + "erff" => f_host.erf(), + "erfcf" => f_host.erfc(), + _ => bug!(), + }; + let res = res.to_soft(); + // Apply a relative error of 4ULP to introduce some non-determinism + // simulating imprecise implementations and optimizations. + let res = math::apply_random_float_error_ulp( + this, res, 2, // log2(4) + ); + + // Clamp the result to the guaranteed range of this function according to the C standard, + // if any. + math::clamp_float_value(link_name.as_str(), res) + }); let res = this.adjust_nan(res, &[f]); this.write_scalar(res, dest)?; } @@ -818,24 +824,28 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { let [f1, f2] = this.check_shim_sig_lenient(abi, CanonAbi::C , link_name, args)?; let f1 = this.read_scalar(f1)?.to_f32()?; let f2 = this.read_scalar(f2)?.to_f32()?; - // underscore case for windows, here and below - // (see https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/floating-point-primitives?view=vs-2019) - // Using host floats (but it's fine, these operations do not have guaranteed precision). - let res = match link_name.as_str() { - "_hypotf" | "hypotf" => f1.to_host().hypot(f2.to_host()).to_soft(), - "atan2f" => f1.to_host().atan2(f2.to_host()).to_soft(), - #[allow(deprecated)] - "fdimf" => f1.to_host().abs_sub(f2.to_host()).to_soft(), - _ => bug!(), - }; - // Apply a relative error of 16ULP to introduce some non-determinism - // simulating imprecise implementations and optimizations. - // FIXME: temporarily disabled as it breaks std tests. - // let res = math::apply_random_float_error_ulp( - // this, - // res, - // 4, // log2(16) - // ); + + let res = math::fixed_float_value(this, link_name.as_str(), &[f1, f2]).unwrap_or_else(|| { + let res = match link_name.as_str() { + // underscore case for windows, here and below + // (see https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/floating-point-primitives?view=vs-2019) + // Using host floats (but it's fine, these operations do not have guaranteed precision). + "_hypotf" | "hypotf" => f1.to_host().hypot(f2.to_host()).to_soft(), + "atan2f" => f1.to_host().atan2(f2.to_host()).to_soft(), + #[allow(deprecated)] + "fdimf" => f1.to_host().abs_sub(f2.to_host()).to_soft(), + _ => bug!(), + }; + // Apply a relative error of 4ULP to introduce some non-determinism + // simulating imprecise implementations and optimizations. + let res = math::apply_random_float_error_ulp( + this, res, 2, // log2(4) + ); + + // Clamp the result to the guaranteed range of this function according to the C standard, + // if any. + math::clamp_float_value(link_name.as_str(), res) + }); let res = this.adjust_nan(res, &[f1, f2]); this.write_scalar(res, dest)?; } @@ -856,33 +866,38 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { => { let [f] = this.check_shim_sig_lenient(abi, CanonAbi::C , link_name, args)?; let f = this.read_scalar(f)?.to_f64()?; - // Using host floats (but it's fine, these operations do not have guaranteed precision). - let f_host = f.to_host(); - let res = match link_name.as_str() { - "cbrt" => f_host.cbrt(), - "cosh" => f_host.cosh(), - "sinh" => f_host.sinh(), - "tan" => f_host.tan(), - "tanh" => f_host.tanh(), - "acos" => f_host.acos(), - "asin" => f_host.asin(), - "atan" => f_host.atan(), - "log1p" => f_host.ln_1p(), - "expm1" => f_host.exp_m1(), - "tgamma" => f_host.gamma(), - "erf" => f_host.erf(), - "erfc" => f_host.erfc(), - _ => bug!(), - }; - let res = res.to_soft(); - // Apply a relative error of 16ULP to introduce some non-determinism - // simulating imprecise implementations and optimizations. - // FIXME: temporarily disabled as it breaks std tests. - // let res = math::apply_random_float_error_ulp( - // this, - // res.to_soft(), - // 4, // log2(16) - // ); + + let res = math::fixed_float_value(this, link_name.as_str(), &[f]).unwrap_or_else(|| { + // Using host floats (but it's fine, these operations do not have + // guaranteed precision). + let f_host = f.to_host(); + let res = match link_name.as_str() { + "cbrt" => f_host.cbrt(), + "cosh" => f_host.cosh(), + "sinh" => f_host.sinh(), + "tan" => f_host.tan(), + "tanh" => f_host.tanh(), + "acos" => f_host.acos(), + "asin" => f_host.asin(), + "atan" => f_host.atan(), + "log1p" => f_host.ln_1p(), + "expm1" => f_host.exp_m1(), + "tgamma" => f_host.gamma(), + "erf" => f_host.erf(), + "erfc" => f_host.erfc(), + _ => bug!(), + }; + let res = res.to_soft(); + // Apply a relative error of 4ULP to introduce some non-determinism + // simulating imprecise implementations and optimizations. + let res = math::apply_random_float_error_ulp( + this, res, 2, // log2(4) + ); + + // Clamp the result to the guaranteed range of this function according to the C standard, + // if any. + math::clamp_float_value(link_name.as_str(), res) + }); let res = this.adjust_nan(res, &[f]); this.write_scalar(res, dest)?; } @@ -895,24 +910,28 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { let [f1, f2] = this.check_shim_sig_lenient(abi, CanonAbi::C , link_name, args)?; let f1 = this.read_scalar(f1)?.to_f64()?; let f2 = this.read_scalar(f2)?.to_f64()?; - // underscore case for windows, here and below - // (see https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/floating-point-primitives?view=vs-2019) - // Using host floats (but it's fine, these operations do not have guaranteed precision). - let res = match link_name.as_str() { - "_hypot" | "hypot" => f1.to_host().hypot(f2.to_host()).to_soft(), - "atan2" => f1.to_host().atan2(f2.to_host()).to_soft(), - #[allow(deprecated)] - "fdim" => f1.to_host().abs_sub(f2.to_host()).to_soft(), - _ => bug!(), - }; - // Apply a relative error of 16ULP to introduce some non-determinism - // simulating imprecise implementations and optimizations. - // FIXME: temporarily disabled as it breaks std tests. - // let res = math::apply_random_float_error_ulp( - // this, - // res, - // 4, // log2(16) - // ); + + let res = math::fixed_float_value(this, link_name.as_str(), &[f1, f2]).unwrap_or_else(|| { + let res = match link_name.as_str() { + // underscore case for windows, here and below + // (see https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/floating-point-primitives?view=vs-2019) + // Using host floats (but it's fine, these operations do not have guaranteed precision). + "_hypot" | "hypot" => f1.to_host().hypot(f2.to_host()).to_soft(), + "atan2" => f1.to_host().atan2(f2.to_host()).to_soft(), + #[allow(deprecated)] + "fdim" => f1.to_host().abs_sub(f2.to_host()).to_soft(), + _ => bug!(), + }; + // Apply a relative error of 4ULP to introduce some non-determinism + // simulating imprecise implementations and optimizations. + let res = math::apply_random_float_error_ulp( + this, res, 2, // log2(4) + ); + + // Clamp the result to the guaranteed range of this function according to the C standard, + // if any. + math::clamp_float_value(link_name.as_str(), res) + }); let res = this.adjust_nan(res, &[f1, f2]); this.write_scalar(res, dest)?; } @@ -938,11 +957,14 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { // Using host floats (but it's fine, these operations do not have guaranteed precision). let (res, sign) = x.to_host().ln_gamma(); this.write_int(sign, &signp)?; + let res = res.to_soft(); - // Apply a relative error of 16ULP to introduce some non-determinism + // Apply a relative error of 4ULP to introduce some non-determinism // simulating imprecise implementations and optimizations. - // FIXME: temporarily disabled as it breaks std tests. - // let res = math::apply_random_float_error_ulp(this, res, 4 /* log2(16) */); + let res = math::apply_random_float_error_ulp(this, res, 2 /* log2(4) */); + // Clamp the result to the guaranteed range of this function according to the C standard, + // if any. + let res = math::clamp_float_value(link_name.as_str(), res); let res = this.adjust_nan(res, &[x]); this.write_scalar(res, dest)?; } @@ -954,11 +976,14 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { // Using host floats (but it's fine, these operations do not have guaranteed precision). let (res, sign) = x.to_host().ln_gamma(); this.write_int(sign, &signp)?; + let res = res.to_soft(); - // Apply a relative error of 16ULP to introduce some non-determinism + // Apply a relative error of 4ULP to introduce some non-determinism // simulating imprecise implementations and optimizations. - // FIXME: temporarily disabled as it breaks std tests. - // let res = math::apply_random_float_error_ulp(this, res, 4 /* log2(16) */); + let res = math::apply_random_float_error_ulp(this, res, 2 /* log2(4) */); + // Clamp the result to the guaranteed range of this function according to the C standard, + // if any. + let res = math::clamp_float_value(link_name.as_str(), res); let res = this.adjust_nan(res, &[x]); this.write_scalar(res, dest)?; } diff --git a/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind1.stderr b/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind1.stderr index 9e6abf219f1..afabb8572bd 100644 --- a/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind1.stderr +++ b/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind1.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at tests/fail/function_calls/exported_symbol_bad_unwind1.rs:LL:CC: +thread 'main' ($TID) panicked at tests/fail/function_calls/exported_symbol_bad_unwind1.rs:LL:CC: explicit panic note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect diff --git a/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.both.stderr b/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.both.stderr index 14b3be02a79..1246ad5a713 100644 --- a/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.both.stderr +++ b/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.both.stderr @@ -1,10 +1,10 @@ -thread 'main' panicked at tests/fail/function_calls/exported_symbol_bad_unwind2.rs:LL:CC: +thread 'main' ($TID) panicked at tests/fail/function_calls/exported_symbol_bad_unwind2.rs:LL:CC: explicit panic note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect -thread 'main' panicked at RUSTLIB/core/src/panicking.rs:LL:CC: +thread 'main' ($TID) panicked at RUSTLIB/core/src/panicking.rs:LL:CC: panic in a function that cannot unwind stack backtrace: thread caused non-unwinding panic. aborting. diff --git a/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.definition.stderr b/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.definition.stderr index 14b3be02a79..1246ad5a713 100644 --- a/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.definition.stderr +++ b/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.definition.stderr @@ -1,10 +1,10 @@ -thread 'main' panicked at tests/fail/function_calls/exported_symbol_bad_unwind2.rs:LL:CC: +thread 'main' ($TID) panicked at tests/fail/function_calls/exported_symbol_bad_unwind2.rs:LL:CC: explicit panic note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect -thread 'main' panicked at RUSTLIB/core/src/panicking.rs:LL:CC: +thread 'main' ($TID) panicked at RUSTLIB/core/src/panicking.rs:LL:CC: panic in a function that cannot unwind stack backtrace: thread caused non-unwinding panic. aborting. diff --git a/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.extern_block.stderr b/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.extern_block.stderr index 5a3d5b4a5eb..e755b262474 100644 --- a/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.extern_block.stderr +++ b/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.extern_block.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at tests/fail/function_calls/exported_symbol_bad_unwind2.rs:LL:CC: +thread 'main' ($TID) panicked at tests/fail/function_calls/exported_symbol_bad_unwind2.rs:LL:CC: explicit panic note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect diff --git a/src/tools/miri/tests/fail/function_calls/return_pointer_on_unwind.stderr b/src/tools/miri/tests/fail/function_calls/return_pointer_on_unwind.stderr index 93720ca7d27..77dc2c61e26 100644 --- a/src/tools/miri/tests/fail/function_calls/return_pointer_on_unwind.stderr +++ b/src/tools/miri/tests/fail/function_calls/return_pointer_on_unwind.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at tests/fail/function_calls/return_pointer_on_unwind.rs:LL:CC: +thread 'main' ($TID) panicked at tests/fail/function_calls/return_pointer_on_unwind.rs:LL:CC: explicit panic note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect diff --git a/src/tools/miri/tests/fail/panic/abort_unwind.stderr b/src/tools/miri/tests/fail/panic/abort_unwind.stderr index 35052f37dfc..09f19a6e494 100644 --- a/src/tools/miri/tests/fail/panic/abort_unwind.stderr +++ b/src/tools/miri/tests/fail/panic/abort_unwind.stderr @@ -1,10 +1,10 @@ -thread 'main' panicked at tests/fail/panic/abort_unwind.rs:LL:CC: +thread 'main' ($TID) panicked at tests/fail/panic/abort_unwind.rs:LL:CC: PANIC!!! note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect -thread 'main' panicked at RUSTLIB/core/src/panicking.rs:LL:CC: +thread 'main' ($TID) panicked at RUSTLIB/core/src/panicking.rs:LL:CC: panic in a function that cannot unwind stack backtrace: thread caused non-unwinding panic. aborting. diff --git a/src/tools/miri/tests/fail/panic/bad_unwind.stderr b/src/tools/miri/tests/fail/panic/bad_unwind.stderr index b8404c4e457..b0a8492b6a6 100644 --- a/src/tools/miri/tests/fail/panic/bad_unwind.stderr +++ b/src/tools/miri/tests/fail/panic/bad_unwind.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at tests/fail/panic/bad_unwind.rs:LL:CC: +thread 'main' ($TID) panicked at tests/fail/panic/bad_unwind.rs:LL:CC: explicit panic note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect diff --git a/src/tools/miri/tests/fail/panic/double_panic.stderr b/src/tools/miri/tests/fail/panic/double_panic.stderr index 3f1fbfef721..f6aa0a34749 100644 --- a/src/tools/miri/tests/fail/panic/double_panic.stderr +++ b/src/tools/miri/tests/fail/panic/double_panic.stderr @@ -1,14 +1,14 @@ -thread 'main' panicked at tests/fail/panic/double_panic.rs:LL:CC: +thread 'main' ($TID) panicked at tests/fail/panic/double_panic.rs:LL:CC: first note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect -thread 'main' panicked at tests/fail/panic/double_panic.rs:LL:CC: +thread 'main' ($TID) panicked at tests/fail/panic/double_panic.rs:LL:CC: second stack backtrace: -thread 'main' panicked at RUSTLIB/core/src/panicking.rs:LL:CC: +thread 'main' ($TID) panicked at RUSTLIB/core/src/panicking.rs:LL:CC: panic in a destructor during cleanup thread caused non-unwinding panic. aborting. error: abnormal termination: the program aborted execution diff --git a/src/tools/miri/tests/fail/panic/panic_abort1.stderr b/src/tools/miri/tests/fail/panic/panic_abort1.stderr index 9aca2ed654f..ebdf57f0f03 100644 --- a/src/tools/miri/tests/fail/panic/panic_abort1.stderr +++ b/src/tools/miri/tests/fail/panic/panic_abort1.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at tests/fail/panic/panic_abort1.rs:LL:CC: +thread 'main' ($TID) panicked at tests/fail/panic/panic_abort1.rs:LL:CC: panicking from libstd note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect diff --git a/src/tools/miri/tests/fail/panic/panic_abort2.stderr b/src/tools/miri/tests/fail/panic/panic_abort2.stderr index 425817d5f86..d63e4ed79b2 100644 --- a/src/tools/miri/tests/fail/panic/panic_abort2.stderr +++ b/src/tools/miri/tests/fail/panic/panic_abort2.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at tests/fail/panic/panic_abort2.rs:LL:CC: +thread 'main' ($TID) panicked at tests/fail/panic/panic_abort2.rs:LL:CC: 42-panicking from libstd note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect diff --git a/src/tools/miri/tests/fail/panic/panic_abort3.stderr b/src/tools/miri/tests/fail/panic/panic_abort3.stderr index a21e185219e..9751053396a 100644 --- a/src/tools/miri/tests/fail/panic/panic_abort3.stderr +++ b/src/tools/miri/tests/fail/panic/panic_abort3.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at tests/fail/panic/panic_abort3.rs:LL:CC: +thread 'main' ($TID) panicked at tests/fail/panic/panic_abort3.rs:LL:CC: panicking from libcore note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect diff --git a/src/tools/miri/tests/fail/panic/panic_abort4.stderr b/src/tools/miri/tests/fail/panic/panic_abort4.stderr index a3cf5d72198..a84824fcc81 100644 --- a/src/tools/miri/tests/fail/panic/panic_abort4.stderr +++ b/src/tools/miri/tests/fail/panic/panic_abort4.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at tests/fail/panic/panic_abort4.rs:LL:CC: +thread 'main' ($TID) panicked at tests/fail/panic/panic_abort4.rs:LL:CC: 42-panicking from libcore note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect diff --git a/src/tools/miri/tests/fail/panic/tls_macro_const_drop_panic.stderr b/src/tools/miri/tests/fail/panic/tls_macro_const_drop_panic.stderr index 1dcdb4a3996..ef87e7fe6db 100644 --- a/src/tools/miri/tests/fail/panic/tls_macro_const_drop_panic.stderr +++ b/src/tools/miri/tests/fail/panic/tls_macro_const_drop_panic.stderr @@ -1,5 +1,5 @@ -thread $NAME panicked at tests/fail/panic/tls_macro_const_drop_panic.rs:LL:CC: +thread $NAME ($TID) panicked at tests/fail/panic/tls_macro_const_drop_panic.rs:LL:CC: ow fatal runtime error: thread local panicked on drop, aborting error: abnormal termination: the program aborted execution diff --git a/src/tools/miri/tests/fail/panic/tls_macro_drop_panic.stderr b/src/tools/miri/tests/fail/panic/tls_macro_drop_panic.stderr index 7e4907abd93..4fdaa97e1d0 100644 --- a/src/tools/miri/tests/fail/panic/tls_macro_drop_panic.stderr +++ b/src/tools/miri/tests/fail/panic/tls_macro_drop_panic.stderr @@ -1,5 +1,5 @@ -thread $NAME panicked at tests/fail/panic/tls_macro_drop_panic.rs:LL:CC: +thread $NAME ($TID) panicked at tests/fail/panic/tls_macro_drop_panic.rs:LL:CC: ow fatal runtime error: thread local panicked on drop, aborting error: abnormal termination: the program aborted execution diff --git a/src/tools/miri/tests/fail/ptr_swap_nonoverlapping.stderr b/src/tools/miri/tests/fail/ptr_swap_nonoverlapping.stderr index 8295a581060..d2b557f13f3 100644 --- a/src/tools/miri/tests/fail/ptr_swap_nonoverlapping.stderr +++ b/src/tools/miri/tests/fail/ptr_swap_nonoverlapping.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at tests/fail/ptr_swap_nonoverlapping.rs:LL:CC: +thread 'main' ($TID) panicked at tests/fail/ptr_swap_nonoverlapping.rs:LL:CC: unsafe precondition(s) violated: ptr::swap_nonoverlapping requires that both pointer arguments are aligned and non-null and the specified memory ranges do not overlap This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety. diff --git a/src/tools/miri/tests/fail/terminate-terminator.stderr b/src/tools/miri/tests/fail/terminate-terminator.stderr index f0f305d76bc..96df302c397 100644 --- a/src/tools/miri/tests/fail/terminate-terminator.stderr +++ b/src/tools/miri/tests/fail/terminate-terminator.stderr @@ -1,12 +1,12 @@ warning: You have explicitly enabled MIR optimizations, overriding Miri's default which is to completely disable them. Any optimizations may hide UB that Miri would otherwise detect, and it is not necessarily possible to predict what kind of UB will be missed. If you are enabling optimizations to make Miri run faster, we advise using cfg(miri) to shrink your workload instead. The performance benefit of enabling MIR optimizations is usually marginal at best. -thread 'main' panicked at tests/fail/terminate-terminator.rs:LL:CC: +thread 'main' ($TID) panicked at tests/fail/terminate-terminator.rs:LL:CC: explicit panic note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect -thread 'main' panicked at RUSTLIB/core/src/panicking.rs:LL:CC: +thread 'main' ($TID) panicked at RUSTLIB/core/src/panicking.rs:LL:CC: panic in a function that cannot unwind stack backtrace: thread caused non-unwinding panic. aborting. diff --git a/src/tools/miri/tests/fail/unwind-action-terminate.stderr b/src/tools/miri/tests/fail/unwind-action-terminate.stderr index 216ae84512a..06c63c70ede 100644 --- a/src/tools/miri/tests/fail/unwind-action-terminate.stderr +++ b/src/tools/miri/tests/fail/unwind-action-terminate.stderr @@ -1,10 +1,10 @@ -thread 'main' panicked at tests/fail/unwind-action-terminate.rs:LL:CC: +thread 'main' ($TID) panicked at tests/fail/unwind-action-terminate.rs:LL:CC: explicit panic note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect -thread 'main' panicked at RUSTLIB/core/src/panicking.rs:LL:CC: +thread 'main' ($TID) panicked at RUSTLIB/core/src/panicking.rs:LL:CC: panic in a function that cannot unwind stack backtrace: thread caused non-unwinding panic. aborting. diff --git a/src/tools/miri/tests/panic/alloc_error_handler_hook.stderr b/src/tools/miri/tests/panic/alloc_error_handler_hook.stderr index 2be06968321..ad2bfc3f2a3 100644 --- a/src/tools/miri/tests/panic/alloc_error_handler_hook.stderr +++ b/src/tools/miri/tests/panic/alloc_error_handler_hook.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at tests/panic/alloc_error_handler_hook.rs:LL:CC: +thread 'main' ($TID) panicked at tests/panic/alloc_error_handler_hook.rs:LL:CC: alloc error hook called note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect diff --git a/src/tools/miri/tests/panic/alloc_error_handler_panic.stderr b/src/tools/miri/tests/panic/alloc_error_handler_panic.stderr index ddee4fd6ce3..7c2d089f952 100644 --- a/src/tools/miri/tests/panic/alloc_error_handler_panic.stderr +++ b/src/tools/miri/tests/panic/alloc_error_handler_panic.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at RUSTLIB/std/src/alloc.rs:LL:CC: +thread 'main' ($TID) panicked at RUSTLIB/std/src/alloc.rs:LL:CC: memory allocation of 4 bytes failed note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect diff --git a/src/tools/miri/tests/panic/div-by-zero-2.stderr b/src/tools/miri/tests/panic/div-by-zero-2.stderr index 4d4b0062d5e..013f3cd3c20 100644 --- a/src/tools/miri/tests/panic/div-by-zero-2.stderr +++ b/src/tools/miri/tests/panic/div-by-zero-2.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at tests/panic/div-by-zero-2.rs:LL:CC: +thread 'main' ($TID) panicked at tests/panic/div-by-zero-2.rs:LL:CC: attempt to divide by zero note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect diff --git a/src/tools/miri/tests/panic/function_calls/exported_symbol_good_unwind.stderr b/src/tools/miri/tests/panic/function_calls/exported_symbol_good_unwind.stderr index 8bcd635e8be..dad94377d12 100644 --- a/src/tools/miri/tests/panic/function_calls/exported_symbol_good_unwind.stderr +++ b/src/tools/miri/tests/panic/function_calls/exported_symbol_good_unwind.stderr @@ -1,11 +1,11 @@ -thread 'main' panicked at tests/panic/function_calls/exported_symbol_good_unwind.rs:LL:CC: +thread 'main' ($TID) panicked at tests/panic/function_calls/exported_symbol_good_unwind.rs:LL:CC: explicit panic note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect -thread 'main' panicked at tests/panic/function_calls/exported_symbol_good_unwind.rs:LL:CC: +thread 'main' ($TID) panicked at tests/panic/function_calls/exported_symbol_good_unwind.rs:LL:CC: explicit panic -thread 'main' panicked at tests/panic/function_calls/exported_symbol_good_unwind.rs:LL:CC: +thread 'main' ($TID) panicked at tests/panic/function_calls/exported_symbol_good_unwind.rs:LL:CC: explicit panic diff --git a/src/tools/miri/tests/panic/mir-validation.rs b/src/tools/miri/tests/panic/mir-validation.rs index e4b75cccbb5..b9097f2e8c5 100644 --- a/src/tools/miri/tests/panic/mir-validation.rs +++ b/src/tools/miri/tests/panic/mir-validation.rs @@ -8,6 +8,12 @@ // Somehow on rustc Windows CI, the "Miri caused an ICE" message is not shown // and we don't even get a regular panic; rustc aborts with a different exit code instead. //@ignore-host: windows + +// FIXME: this tests a crash in rustc. For stage1, rustc is built with the downloaded standard +// library which doesn't yet print the thread ID. Normalization can be removed at the stage bump. +// For the grep: cfg(bootstrap) +//@normalize-stderr-test: "thread 'rustc' panicked" -> "thread 'rustc' ($$TID) panicked" + #![feature(custom_mir, core_intrinsics)] use core::intrinsics::mir::*; diff --git a/src/tools/miri/tests/panic/mir-validation.stderr b/src/tools/miri/tests/panic/mir-validation.stderr index f801ac907e6..1d40c93d709 100644 --- a/src/tools/miri/tests/panic/mir-validation.stderr +++ b/src/tools/miri/tests/panic/mir-validation.stderr @@ -6,7 +6,7 @@ LL | *(tuple.0) = 1; | ^^^^^^^^^^^^^^ -thread 'rustc' panicked at compiler/rustc_mir_transform/src/validate.rs:LL:CC: +thread 'rustc' ($TID) panicked at compiler/rustc_mir_transform/src/validate.rs:LL:CC: Box<dyn Any> stack backtrace: diff --git a/src/tools/miri/tests/panic/oob_subslice.stderr b/src/tools/miri/tests/panic/oob_subslice.stderr index c0dabaff772..f8270f4ad4d 100644 --- a/src/tools/miri/tests/panic/oob_subslice.stderr +++ b/src/tools/miri/tests/panic/oob_subslice.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at tests/panic/oob_subslice.rs:LL:CC: +thread 'main' ($TID) panicked at tests/panic/oob_subslice.rs:LL:CC: range end index 5 out of range for slice of length 4 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect diff --git a/src/tools/miri/tests/panic/overflowing-lsh-neg.stderr b/src/tools/miri/tests/panic/overflowing-lsh-neg.stderr index d674e2beb8d..8e618b978ef 100644 --- a/src/tools/miri/tests/panic/overflowing-lsh-neg.stderr +++ b/src/tools/miri/tests/panic/overflowing-lsh-neg.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at tests/panic/overflowing-lsh-neg.rs:LL:CC: +thread 'main' ($TID) panicked at tests/panic/overflowing-lsh-neg.rs:LL:CC: attempt to shift left with overflow note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect diff --git a/src/tools/miri/tests/panic/overflowing-rsh-1.stderr b/src/tools/miri/tests/panic/overflowing-rsh-1.stderr index bb94f2e12c4..471bc849abb 100644 --- a/src/tools/miri/tests/panic/overflowing-rsh-1.stderr +++ b/src/tools/miri/tests/panic/overflowing-rsh-1.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at tests/panic/overflowing-rsh-1.rs:LL:CC: +thread 'main' ($TID) panicked at tests/panic/overflowing-rsh-1.rs:LL:CC: attempt to shift right with overflow note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect diff --git a/src/tools/miri/tests/panic/overflowing-rsh-2.stderr b/src/tools/miri/tests/panic/overflowing-rsh-2.stderr index 0a29a57f3e1..94f5fb0f1ca 100644 --- a/src/tools/miri/tests/panic/overflowing-rsh-2.stderr +++ b/src/tools/miri/tests/panic/overflowing-rsh-2.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at tests/panic/overflowing-rsh-2.rs:LL:CC: +thread 'main' ($TID) panicked at tests/panic/overflowing-rsh-2.rs:LL:CC: attempt to shift right with overflow note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect diff --git a/src/tools/miri/tests/panic/panic1.stderr b/src/tools/miri/tests/panic/panic1.stderr index 130bc7737a4..9ca5234dd03 100644 --- a/src/tools/miri/tests/panic/panic1.stderr +++ b/src/tools/miri/tests/panic/panic1.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at tests/panic/panic1.rs:LL:CC: +thread 'main' ($TID) panicked at tests/panic/panic1.rs:LL:CC: panicking from libstd stack backtrace: 0: std::panicking::begin_panic_handler diff --git a/src/tools/miri/tests/panic/panic2.stderr b/src/tools/miri/tests/panic/panic2.stderr index 157ffdb6b5d..c2e55178333 100644 --- a/src/tools/miri/tests/panic/panic2.stderr +++ b/src/tools/miri/tests/panic/panic2.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at tests/panic/panic2.rs:LL:CC: +thread 'main' ($TID) panicked at tests/panic/panic2.rs:LL:CC: 42-panicking from libstd note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect diff --git a/src/tools/miri/tests/panic/panic3.stderr b/src/tools/miri/tests/panic/panic3.stderr index 529ef70870b..2fc761a4f3d 100644 --- a/src/tools/miri/tests/panic/panic3.stderr +++ b/src/tools/miri/tests/panic/panic3.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at tests/panic/panic3.rs:LL:CC: +thread 'main' ($TID) panicked at tests/panic/panic3.rs:LL:CC: panicking from libcore note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect diff --git a/src/tools/miri/tests/panic/panic4.stderr b/src/tools/miri/tests/panic/panic4.stderr index ecd07dd7ded..f2f4c038000 100644 --- a/src/tools/miri/tests/panic/panic4.stderr +++ b/src/tools/miri/tests/panic/panic4.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at tests/panic/panic4.rs:LL:CC: +thread 'main' ($TID) panicked at tests/panic/panic4.rs:LL:CC: 42-panicking from libcore note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect diff --git a/src/tools/miri/tests/panic/transmute_fat2.stderr b/src/tools/miri/tests/panic/transmute_fat2.stderr index 71e2d7a8208..8846c4c7fbc 100644 --- a/src/tools/miri/tests/panic/transmute_fat2.stderr +++ b/src/tools/miri/tests/panic/transmute_fat2.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at tests/panic/transmute_fat2.rs:LL:CC: +thread 'main' ($TID) panicked at tests/panic/transmute_fat2.rs:LL:CC: index out of bounds: the len is 0 but the index is 0 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect diff --git a/src/tools/miri/tests/pass/float.rs b/src/tools/miri/tests/pass/float.rs index fe7316c6680..96590b4bf2b 100644 --- a/src/tools/miri/tests/pass/float.rs +++ b/src/tools/miri/tests/pass/float.rs @@ -1088,6 +1088,8 @@ pub fn libm() { assert_approx_eq!(1f32.exp_m1(), f32::consts::E - 1.0); assert_approx_eq!(1f64.exp_m1(), f64::consts::E - 1.0); + assert_approx_eq!(f32::NEG_INFINITY.exp_m1(), -1.0); + assert_approx_eq!(f64::NEG_INFINITY.exp_m1(), -1.0); assert_approx_eq!(10f32.exp2(), 1024f32); assert_approx_eq!(50f64.exp2(), 1125899906842624f64); @@ -1123,6 +1125,7 @@ pub fn libm() { assert_eq!(ldexp(0.65f64, 3i32), 5.2f64); assert_eq!(ldexp(1.42, 0xFFFF), f64::INFINITY); assert_eq!(ldexp(1.42, -0xFFFF), 0f64); + assert_eq!(ldexp(42.0, 0), 42.0); // Trigonometric functions. @@ -1131,8 +1134,14 @@ pub fn libm() { assert_approx_eq!((f64::consts::PI / 2f64).sin(), 1f64); assert_approx_eq!(f32::consts::FRAC_PI_6.sin(), 0.5); assert_approx_eq!(f64::consts::FRAC_PI_6.sin(), 0.5); - assert_approx_eq!(f32::consts::FRAC_PI_4.sin().asin(), f32::consts::FRAC_PI_4); - assert_approx_eq!(f64::consts::FRAC_PI_4.sin().asin(), f64::consts::FRAC_PI_4); + // Increase error tolerance from 12ULP to 16ULP because of the extra operation. + assert_approx_eq!(f32::consts::FRAC_PI_4.sin().asin(), f32::consts::FRAC_PI_4, 16); + assert_approx_eq!(f64::consts::FRAC_PI_4.sin().asin(), f64::consts::FRAC_PI_4, 16); + assert_biteq(0.0f32.asin(), 0.0f32, "asin(+0) = +0"); + assert_biteq((-0.0f32).asin(), -0.0, "asin(-0) = -0"); + assert_biteq(0.0f64.asin(), 0.0, "asin(+0) = +0"); + assert_biteq((-0.0f64).asin(), -0.0, "asin(-0) = -0"); + assert_approx_eq!(1.0f32.sinh(), 1.1752012f32); assert_approx_eq!(1.0f64.sinh(), 1.1752011936438014f64); @@ -1159,11 +1168,18 @@ pub fn libm() { assert_approx_eq!((f64::consts::PI * 2f64).cos(), 1f64); assert_approx_eq!(f32::consts::FRAC_PI_3.cos(), 0.5); assert_approx_eq!(f64::consts::FRAC_PI_3.cos(), 0.5); - assert_approx_eq!(f32::consts::FRAC_PI_4.cos().acos(), f32::consts::FRAC_PI_4); - assert_approx_eq!(f64::consts::FRAC_PI_4.cos().acos(), f64::consts::FRAC_PI_4); + // Increase error tolerance from 12ULP to 16ULP because of the extra operation. + assert_approx_eq!(f32::consts::FRAC_PI_4.cos().acos(), f32::consts::FRAC_PI_4, 16); + assert_approx_eq!(f64::consts::FRAC_PI_4.cos().acos(), f64::consts::FRAC_PI_4, 16); + assert_biteq(1.0f32.acos(), 0.0, "acos(1) = 0"); + assert_biteq(1.0f64.acos(), 0.0, "acos(1) = 0"); assert_approx_eq!(1.0f32.cosh(), 1.54308f32); assert_approx_eq!(1.0f64.cosh(), 1.5430806348152437f64); + assert_eq!(0.0f32.cosh(), 1.0); + assert_eq!(0.0f64.cosh(), 1.0); + assert_eq!((-0.0f32).cosh(), 1.0); + assert_eq!((-0.0f64).cosh(), 1.0); assert_approx_eq!(2.0f32.acosh(), 1.31695789692481670862504634730796844f32); assert_approx_eq!(3.0f64.acosh(), 1.76274717403908605046521864995958461f64); @@ -1173,6 +1189,47 @@ pub fn libm() { assert_approx_eq!(1.0_f64, 1.0_f64.tan().atan()); assert_approx_eq!(1.0f32.atan2(2.0f32), 0.46364761f32); assert_approx_eq!(1.0f32.atan2(2.0f32), 0.46364761f32); + // C standard defines a bunch of fixed outputs for atan2 + macro_rules! fixed_atan2_cases{ + ($float_type:ident) => {{ + use std::$float_type::consts::{PI, FRAC_PI_2, FRAC_PI_4}; + use $float_type::{INFINITY, NEG_INFINITY}; + + // atan2(±0,−0) = ±π. + assert_eq!($float_type::atan2(0.0, -0.0), PI, "atan2(0,−0) = π"); + assert_eq!($float_type::atan2(-0.0, -0.0), -PI, "atan2(-0,−0) = -π"); + + // atan2(±0, y) = ±π for y < 0. + assert_eq!($float_type::atan2(0.0, -1.0), PI, "atan2(0, y) = π for y < 0."); + assert_eq!($float_type::atan2(-0.0, -1.0), -PI, "atan2(-0, y) = -π for y < 0."); + + // atan2(x, ±0) = −π/2 for x < 0. + assert_eq!($float_type::atan2(-1.0, 0.0), -FRAC_PI_2, "atan2(x, 0) = −π/2 for x < 0"); + assert_eq!($float_type::atan2(-1.0, -0.0), -FRAC_PI_2, "atan2(x, -0) = −π/2 for x < 0"); + + // atan2(x, ±0) = π/2 for x > 0. + assert_eq!($float_type::atan2(1.0, 0.0), FRAC_PI_2, "atan2(x, 0) = π/2 for x > 0."); + assert_eq!($float_type::atan2(1.0, -0.0), FRAC_PI_2, "atan2(x, -0) = π/2 for x > 0."); + + // atan2(±x,−∞) = ±π for finite x > 0. + assert_eq!($float_type::atan2(1.0, NEG_INFINITY), PI, "atan2(x, −∞) = π for finite x > 0"); + assert_eq!($float_type::atan2(-1.0, NEG_INFINITY), -PI, "atan2(-x, −∞) = -π for finite x > 0"); + + // atan2(±∞, y) returns ±π/2 for finite y. + assert_eq!($float_type::atan2(INFINITY, 1.0), FRAC_PI_2, "atan2(+∞, y) returns π/2 for finite y"); + assert_eq!($float_type::atan2(NEG_INFINITY, 1.0), -FRAC_PI_2, "atan2(-∞, y) returns -π/2 for finite y"); + + // atan2(±∞, −∞) = ±3π/4 + assert_eq!($float_type::atan2(INFINITY, NEG_INFINITY), 3.0 * FRAC_PI_4, "atan2(+∞, −∞) = 3π/4"); + assert_eq!($float_type::atan2(NEG_INFINITY, NEG_INFINITY), -3.0 * FRAC_PI_4, "atan2(-∞, −∞) = -3π/4"); + + // atan2(±∞, +∞) = ±π/4 + assert_eq!($float_type::atan2(INFINITY, INFINITY), FRAC_PI_4, "atan2(+∞, +∞) = π/4"); + assert_eq!($float_type::atan2(NEG_INFINITY, INFINITY), -FRAC_PI_4, "atan2(-∞, +∞) = -π/4"); + }} + } + fixed_atan2_cases!(f32); + fixed_atan2_cases!(f64); assert_approx_eq!( 1.0f32.tanh(), @@ -1182,6 +1239,11 @@ pub fn libm() { 1.0f64.tanh(), (1.0 - f64::consts::E.powi(-2)) / (1.0 + f64::consts::E.powi(-2)) ); + assert_eq!(f32::INFINITY.tanh(), 1.0); + assert_eq!(f32::NEG_INFINITY.tanh(), -1.0); + assert_eq!(f64::INFINITY.tanh(), 1.0); + assert_eq!(f64::NEG_INFINITY.tanh(), -1.0); + assert_approx_eq!(0.5f32.atanh(), 0.54930614433405484569762261846126285f32); assert_approx_eq!(0.5f64.atanh(), 0.54930614433405484569762261846126285f64); @@ -1202,8 +1264,14 @@ pub fn libm() { assert_approx_eq!(1.0f32.erf(), 0.84270079294971486934122063508260926f32); assert_approx_eq!(1.0f64.erf(), 0.84270079294971486934122063508260926f64); + assert_eq!(f32::INFINITY.erf(), 1.0); + assert_eq!(f64::INFINITY.erf(), 1.0); assert_approx_eq!(1.0f32.erfc(), 0.15729920705028513065877936491739074f32); assert_approx_eq!(1.0f64.erfc(), 0.15729920705028513065877936491739074f64); + assert_eq!(f32::NEG_INFINITY.erfc(), 2.0); + assert_eq!(f64::NEG_INFINITY.erfc(), 2.0); + assert_eq!(f32::INFINITY.erfc(), 0.0); + assert_eq!(f64::INFINITY.erfc(), 0.0); } fn test_fast() { @@ -1413,7 +1481,6 @@ fn test_non_determinism() { } pub fn test_operations_f32(a: f32, b: f32) { test_operations_f!(a, b); - // FIXME: some are temporarily disabled as it breaks std tests. ensure_nondet(|| a.powf(b)); ensure_nondet(|| a.powi(2)); ensure_nondet(|| a.log(b)); @@ -1422,35 +1489,34 @@ fn test_non_determinism() { ensure_nondet(|| f32::consts::E.ln()); ensure_nondet(|| 10f32.log10()); ensure_nondet(|| 8f32.log2()); - // ensure_nondet(|| 1f32.ln_1p()); - // ensure_nondet(|| 27.0f32.cbrt()); - // ensure_nondet(|| 3.0f32.hypot(4.0f32)); + ensure_nondet(|| 1f32.ln_1p()); + ensure_nondet(|| 27.0f32.cbrt()); + ensure_nondet(|| 3.0f32.hypot(4.0f32)); ensure_nondet(|| 1f32.sin()); ensure_nondet(|| 1f32.cos()); // On i686-pc-windows-msvc , these functions are implemented by calling the `f64` version, // which means the little rounding errors Miri introduces are discarded by the cast down to // `f32`. Just skip the test for them. - // if !cfg!(all(target_os = "windows", target_env = "msvc", target_arch = "x86")) { - // ensure_nondet(|| 1.0f32.tan()); - // ensure_nondet(|| 1.0f32.asin()); - // ensure_nondet(|| 5.0f32.acos()); - // ensure_nondet(|| 1.0f32.atan()); - // ensure_nondet(|| 1.0f32.atan2(2.0f32)); - // ensure_nondet(|| 1.0f32.sinh()); - // ensure_nondet(|| 1.0f32.cosh()); - // ensure_nondet(|| 1.0f32.tanh()); - // } - // ensure_nondet(|| 1.0f32.asinh()); - // ensure_nondet(|| 2.0f32.acosh()); - // ensure_nondet(|| 0.5f32.atanh()); - // ensure_nondet(|| 5.0f32.gamma()); - // ensure_nondet(|| 5.0f32.ln_gamma()); - // ensure_nondet(|| 5.0f32.erf()); - // ensure_nondet(|| 5.0f32.erfc()); + if !cfg!(all(target_os = "windows", target_env = "msvc", target_arch = "x86")) { + ensure_nondet(|| 1.0f32.tan()); + ensure_nondet(|| 1.0f32.asin()); + ensure_nondet(|| 5.0f32.acos()); + ensure_nondet(|| 1.0f32.atan()); + ensure_nondet(|| 1.0f32.atan2(2.0f32)); + ensure_nondet(|| 1.0f32.sinh()); + ensure_nondet(|| 1.0f32.cosh()); + ensure_nondet(|| 1.0f32.tanh()); + } + ensure_nondet(|| 1.0f32.asinh()); + ensure_nondet(|| 2.0f32.acosh()); + ensure_nondet(|| 0.5f32.atanh()); + ensure_nondet(|| 5.0f32.gamma()); + ensure_nondet(|| 5.0f32.ln_gamma()); + ensure_nondet(|| 5.0f32.erf()); + ensure_nondet(|| 5.0f32.erfc()); } pub fn test_operations_f64(a: f64, b: f64) { test_operations_f!(a, b); - // FIXME: some are temporarily disabled as it breaks std tests. ensure_nondet(|| a.powf(b)); ensure_nondet(|| a.powi(2)); ensure_nondet(|| a.log(b)); @@ -1459,26 +1525,26 @@ fn test_non_determinism() { ensure_nondet(|| 3f64.ln()); ensure_nondet(|| f64::consts::E.log10()); ensure_nondet(|| f64::consts::E.log2()); - // ensure_nondet(|| 1f64.ln_1p()); - // ensure_nondet(|| 27.0f64.cbrt()); - // ensure_nondet(|| 3.0f64.hypot(4.0f64)); + ensure_nondet(|| 1f64.ln_1p()); + ensure_nondet(|| 27.0f64.cbrt()); + ensure_nondet(|| 3.0f64.hypot(4.0f64)); ensure_nondet(|| 1f64.sin()); ensure_nondet(|| 1f64.cos()); - // ensure_nondet(|| 1.0f64.tan()); - // ensure_nondet(|| 1.0f64.asin()); - // ensure_nondet(|| 5.0f64.acos()); - // ensure_nondet(|| 1.0f64.atan()); - // ensure_nondet(|| 1.0f64.atan2(2.0f64)); - // ensure_nondet(|| 1.0f64.sinh()); - // ensure_nondet(|| 1.0f64.cosh()); - // ensure_nondet(|| 1.0f64.tanh()); - // ensure_nondet(|| 1.0f64.asinh()); - // ensure_nondet(|| 3.0f64.acosh()); - // ensure_nondet(|| 0.5f64.atanh()); - // ensure_nondet(|| 5.0f64.gamma()); - // ensure_nondet(|| 5.0f64.ln_gamma()); - // ensure_nondet(|| 5.0f64.erf()); - // ensure_nondet(|| 5.0f64.erfc()); + ensure_nondet(|| 1.0f64.tan()); + ensure_nondet(|| 1.0f64.asin()); + ensure_nondet(|| 5.0f64.acos()); + ensure_nondet(|| 1.0f64.atan()); + ensure_nondet(|| 1.0f64.atan2(2.0f64)); + ensure_nondet(|| 1.0f64.sinh()); + ensure_nondet(|| 1.0f64.cosh()); + ensure_nondet(|| 1.0f64.tanh()); + ensure_nondet(|| 1.0f64.asinh()); + ensure_nondet(|| 3.0f64.acosh()); + ensure_nondet(|| 0.5f64.atanh()); + ensure_nondet(|| 5.0f64.gamma()); + ensure_nondet(|| 5.0f64.ln_gamma()); + ensure_nondet(|| 5.0f64.erf()); + ensure_nondet(|| 5.0f64.erfc()); } pub fn test_operations_f128(a: f128, b: f128) { test_operations_f!(a, b); diff --git a/src/tools/miri/tests/pass/panic/catch_panic.stderr b/src/tools/miri/tests/pass/panic/catch_panic.stderr index bc745fca578..cd7384fb107 100644 --- a/src/tools/miri/tests/pass/panic/catch_panic.stderr +++ b/src/tools/miri/tests/pass/panic/catch_panic.stderr @@ -1,47 +1,47 @@ -thread 'main' panicked at tests/pass/panic/catch_panic.rs:LL:CC: +thread 'main' ($TID) panicked at tests/pass/panic/catch_panic.rs:LL:CC: Hello from std::panic note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect Caught panic message (&str): Hello from std::panic -thread 'main' panicked at tests/pass/panic/catch_panic.rs:LL:CC: +thread 'main' ($TID) panicked at tests/pass/panic/catch_panic.rs:LL:CC: Hello from std::panic: 1 Caught panic message (String): Hello from std::panic: 1 -thread 'main' panicked at tests/pass/panic/catch_panic.rs:LL:CC: +thread 'main' ($TID) panicked at tests/pass/panic/catch_panic.rs:LL:CC: Hello from std::panic_any: 2 Caught panic message (String): Hello from std::panic_any: 2 -thread 'main' panicked at tests/pass/panic/catch_panic.rs:LL:CC: +thread 'main' ($TID) panicked at tests/pass/panic/catch_panic.rs:LL:CC: Box<dyn Any> Failed to get caught panic message. -thread 'main' panicked at tests/pass/panic/catch_panic.rs:LL:CC: +thread 'main' ($TID) panicked at tests/pass/panic/catch_panic.rs:LL:CC: Hello from core::panic Caught panic message (&str): Hello from core::panic -thread 'main' panicked at tests/pass/panic/catch_panic.rs:LL:CC: +thread 'main' ($TID) panicked at tests/pass/panic/catch_panic.rs:LL:CC: Hello from core::panic: 5 Caught panic message (String): Hello from core::panic: 5 -thread 'main' panicked at tests/pass/panic/catch_panic.rs:LL:CC: +thread 'main' ($TID) panicked at tests/pass/panic/catch_panic.rs:LL:CC: index out of bounds: the len is 3 but the index is 4 Caught panic message (String): index out of bounds: the len is 3 but the index is 4 -thread 'main' panicked at tests/pass/panic/catch_panic.rs:LL:CC: +thread 'main' ($TID) panicked at tests/pass/panic/catch_panic.rs:LL:CC: attempt to divide by zero Caught panic message (&str): attempt to divide by zero -thread 'main' panicked at RUSTLIB/core/src/ptr/const_ptr.rs:LL:CC: +thread 'main' ($TID) panicked at RUSTLIB/core/src/ptr/const_ptr.rs:LL:CC: align_offset: align is not a power-of-two Caught panic message (&str): align_offset: align is not a power-of-two -thread 'main' panicked at tests/pass/panic/catch_panic.rs:LL:CC: +thread 'main' ($TID) panicked at tests/pass/panic/catch_panic.rs:LL:CC: assertion failed: false Caught panic message (&str): assertion failed: false -thread 'main' panicked at tests/pass/panic/catch_panic.rs:LL:CC: +thread 'main' ($TID) panicked at tests/pass/panic/catch_panic.rs:LL:CC: assertion failed: false Caught panic message (&str): assertion failed: false Success! diff --git a/src/tools/miri/tests/pass/panic/concurrent-panic.stderr b/src/tools/miri/tests/pass/panic/concurrent-panic.stderr index 4a3ac16debc..b388a3bedc0 100644 --- a/src/tools/miri/tests/pass/panic/concurrent-panic.stderr +++ b/src/tools/miri/tests/pass/panic/concurrent-panic.stderr @@ -1,7 +1,7 @@ Thread 1 starting, will block on mutex Thread 1 reported it has started -thread '<unnamed>' panicked at tests/pass/panic/concurrent-panic.rs:LL:CC: +thread '<unnamed>' ($TID) panicked at tests/pass/panic/concurrent-panic.rs:LL:CC: panic in thread 2 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect @@ -9,7 +9,7 @@ Thread 2 blocking on thread 1 Thread 2 reported it has started Unlocking mutex -thread '<unnamed>' panicked at tests/pass/panic/concurrent-panic.rs:LL:CC: +thread '<unnamed>' ($TID) panicked at tests/pass/panic/concurrent-panic.rs:LL:CC: panic in thread 1 Thread 1 has exited Thread 2 has exited diff --git a/src/tools/miri/tests/pass/panic/nested_panic_caught.stderr b/src/tools/miri/tests/pass/panic/nested_panic_caught.stderr index 8aff8f6ec55..7ae39204d4e 100644 --- a/src/tools/miri/tests/pass/panic/nested_panic_caught.stderr +++ b/src/tools/miri/tests/pass/panic/nested_panic_caught.stderr @@ -1,9 +1,9 @@ -thread 'main' panicked at tests/pass/panic/nested_panic_caught.rs:LL:CC: +thread 'main' ($TID) panicked at tests/pass/panic/nested_panic_caught.rs:LL:CC: once note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect -thread 'main' panicked at tests/pass/panic/nested_panic_caught.rs:LL:CC: +thread 'main' ($TID) panicked at tests/pass/panic/nested_panic_caught.rs:LL:CC: twice stack backtrace: diff --git a/src/tools/miri/tests/pass/panic/thread_panic.stderr b/src/tools/miri/tests/pass/panic/thread_panic.stderr index 3bb2991805c..92403d5152d 100644 --- a/src/tools/miri/tests/pass/panic/thread_panic.stderr +++ b/src/tools/miri/tests/pass/panic/thread_panic.stderr @@ -1,8 +1,8 @@ -thread '<unnamed>' panicked at tests/pass/panic/thread_panic.rs:LL:CC: +thread '<unnamed>' ($TID) panicked at tests/pass/panic/thread_panic.rs:LL:CC: Hello! note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect -thread 'childthread' panicked at tests/pass/panic/thread_panic.rs:LL:CC: +thread 'childthread' ($TID) panicked at tests/pass/panic/thread_panic.rs:LL:CC: Hello, world! diff --git a/src/tools/miri/tests/ui.rs b/src/tools/miri/tests/ui.rs index 73fbe2cc020..f021d5194cd 100644 --- a/src/tools/miri/tests/ui.rs +++ b/src/tools/miri/tests/ui.rs @@ -248,7 +248,8 @@ regexes! { // erase alloc ids "alloc[0-9]+" => "ALLOC", // erase thread ids - r"unnamed-[0-9]+" => "unnamed-ID", + r"unnamed-[0-9]+" => "unnamed-ID", + r"thread '(?P<name>.*?)' \(\d+\) panicked" => "thread '$name' ($$TID) panicked", // erase borrow tags "<[0-9]+>" => "<TAG>", "<[0-9]+=" => "<TAG=", diff --git a/src/tools/run-make-support/src/diff/mod.rs b/src/tools/run-make-support/src/diff/mod.rs index ee48e373366..739eff72f05 100644 --- a/src/tools/run-make-support/src/diff/mod.rs +++ b/src/tools/run-make-support/src/diff/mod.rs @@ -23,6 +23,7 @@ pub struct Diff { actual: Option<String>, actual_name: Option<String>, normalizers: Vec<(String, String)>, + bless_dir: Option<String>, drop_bomb: DropBomb, } @@ -37,6 +38,7 @@ impl Diff { actual: None, actual_name: None, normalizers: Vec::new(), + bless_dir: std::env::var("RUSTC_BLESS_TEST").ok(), drop_bomb: DropBomb::arm("diff"), } } @@ -44,6 +46,13 @@ impl Diff { /// Specify the expected output for the diff from a file. pub fn expected_file<P: AsRef<Path>>(&mut self, path: P) -> &mut Self { let path = path.as_ref(); + // In `--bless` mode, create the snapshot file if it doesn't already exist. + // The empty file will be overwritten with the actual text. + if self.bless_dir.is_some() + && let Ok(false) = std::fs::exists(path) + { + fs::write(path, ""); + } let content = fs::read_to_string(path); let name = path.to_string_lossy().to_string(); @@ -148,7 +157,7 @@ impl Diff { let Some(ref expected_file) = self.expected_file else { return false; }; - let Ok(bless_dir) = std::env::var("RUSTC_BLESS_TEST") else { + let Some(ref bless_dir) = self.bless_dir else { return false; }; diff --git a/src/tools/run-make-support/src/external_deps/c_cxx_compiler/extras.rs b/src/tools/run-make-support/src/external_deps/c_cxx_compiler/extras.rs index ac7392641c0..5c980068e4b 100644 --- a/src/tools/run-make-support/src/external_deps/c_cxx_compiler/extras.rs +++ b/src/tools/run-make-support/src/external_deps/c_cxx_compiler/extras.rs @@ -1,15 +1,23 @@ -use crate::{is_win7, is_windows, is_windows_msvc, uname}; +use crate::{is_arm64ec, is_win7, is_windows, is_windows_msvc, uname}; + +fn get_windows_msvc_libs() -> Vec<&'static str> { + let mut libs = + vec!["ws2_32.lib", "userenv.lib", "bcrypt.lib", "ntdll.lib", "synchronization.lib"]; + if is_win7() { + libs.push("advapi32.lib"); + } + libs +} /// `EXTRACFLAGS` pub fn extra_c_flags() -> Vec<&'static str> { if is_windows() { if is_windows_msvc() { - let mut libs = - vec!["ws2_32.lib", "userenv.lib", "bcrypt.lib", "ntdll.lib", "synchronization.lib"]; - if is_win7() { - libs.push("advapi32.lib"); + let mut args = get_windows_msvc_libs(); + if is_arm64ec() { + args.push("/arm64EC"); } - libs + args } else { vec!["-lws2_32", "-luserenv", "-lbcrypt", "-lntdll", "-lsynchronization"] } @@ -26,6 +34,18 @@ pub fn extra_c_flags() -> Vec<&'static str> { } } +pub fn extra_linker_flags() -> Vec<&'static str> { + if is_windows_msvc() { + let mut args = get_windows_msvc_libs(); + if is_arm64ec() { + args.push("/MACHINE:ARM64EC"); + } + args + } else { + vec![] + } +} + /// `EXTRACXXFLAGS` pub fn extra_cxx_flags() -> Vec<&'static str> { if is_windows() { diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index b7d89b130c6..191e205f257 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -56,7 +56,7 @@ pub use crate::external_deps::c_build::{ }; // Re-exports of external dependencies. pub use crate::external_deps::c_cxx_compiler::{ - Cc, Gcc, cc, cxx, extra_c_flags, extra_cxx_flags, gcc, + Cc, Gcc, cc, cxx, extra_c_flags, extra_cxx_flags, extra_linker_flags, gcc, }; pub use crate::external_deps::cargo::cargo; pub use crate::external_deps::clang::{Clang, clang}; @@ -84,6 +84,6 @@ pub use crate::string::{ }; // Helpers for checking target information. pub use crate::targets::{ - apple_os, is_aix, is_darwin, is_win7, is_windows, is_windows_gnu, is_windows_msvc, + apple_os, is_aix, is_arm64ec, is_darwin, is_win7, is_windows, is_windows_gnu, is_windows_msvc, llvm_components_contain, target, uname, }; diff --git a/src/tools/run-make-support/src/targets.rs b/src/tools/run-make-support/src/targets.rs index b20e12561fb..6288f5f7c59 100644 --- a/src/tools/run-make-support/src/targets.rs +++ b/src/tools/run-make-support/src/targets.rs @@ -46,6 +46,12 @@ pub fn is_aix() -> bool { target().contains("aix") } +/// Check if target is arm64ec. +#[must_use] +pub fn is_arm64ec() -> bool { + target().starts_with("arm64ec") +} + /// Get the target OS on Apple operating systems. #[must_use] pub fn apple_os() -> &'static str { diff --git a/src/tools/rust-analyzer/crates/ide-db/src/generated/lints.rs b/src/tools/rust-analyzer/crates/ide-db/src/generated/lints.rs index f9eb44d03ab..14bc380586a 100644 --- a/src/tools/rust-analyzer/crates/ide-db/src/generated/lints.rs +++ b/src/tools/rust-analyzer/crates/ide-db/src/generated/lints.rs @@ -10706,20 +10706,6 @@ The tracking issue for this feature is: [#77998] deny_since: None, }, Lint { - label: "strict_overflow_ops", - description: r##"# `strict_overflow_ops` - -The tracking issue for this feature is: [#118260] - -[#118260]: https://github.com/rust-lang/rust/issues/118260 - ------------------------- -"##, - default_severity: Severity::Allow, - warn_since: None, - deny_since: None, - }, - Lint { label: "strict_provenance_atomic_ptr", description: r##"# `strict_provenance_atomic_ptr` diff --git a/src/tools/rustfmt/tests/rustfmt/main.rs b/src/tools/rustfmt/tests/rustfmt/main.rs index a9f58b9328e..4a9399377d1 100644 --- a/src/tools/rustfmt/tests/rustfmt/main.rs +++ b/src/tools/rustfmt/tests/rustfmt/main.rs @@ -185,10 +185,11 @@ fn dont_emit_ICE() { "tests/target/issue-6105.rs", ]; + let panic_re = regex::Regex::new("thread.*panicked").unwrap(); for file in files { let args = [file]; let (_stdout, stderr) = rustfmt(&args); - assert!(!stderr.contains("thread 'main' panicked")); + assert!(!panic_re.is_match(&stderr)); } } diff --git a/tests/codegen-llvm/enum/enum-discriminant-eq.rs b/tests/codegen-llvm/enum/enum-discriminant-eq.rs index d599685c2e5..a1ab5e5c6e2 100644 --- a/tests/codegen-llvm/enum/enum-discriminant-eq.rs +++ b/tests/codegen-llvm/enum/enum-discriminant-eq.rs @@ -91,18 +91,23 @@ pub enum Mid<T> { pub fn mid_bool_eq_discr(a: Mid<bool>, b: Mid<bool>) -> bool { // CHECK-LABEL: @mid_bool_eq_discr( - // CHECK: %[[A_REL_DISCR:.+]] = add nsw i8 %a, -2 - // CHECK: %[[A_IS_NICHE:.+]] = icmp samesign ugt i8 %a, 1 - // CHECK: %[[A_NOT_HOLE:.+]] = icmp ne i8 %[[A_REL_DISCR]], 1 + // CHECK: %[[A_NOT_HOLE:.+]] = icmp ne i8 %a, 3 // CHECK: tail call void @llvm.assume(i1 %[[A_NOT_HOLE]]) - // CHECK: %[[A_DISCR:.+]] = select i1 %[[A_IS_NICHE]], i8 %[[A_REL_DISCR]], i8 1 + // LLVM20: %[[A_REL_DISCR:.+]] = add nsw i8 %a, -2 + // CHECK: %[[A_IS_NICHE:.+]] = icmp samesign ugt i8 %a, 1 + // LLVM20: %[[A_DISCR:.+]] = select i1 %[[A_IS_NICHE]], i8 %[[A_REL_DISCR]], i8 1 - // CHECK: %[[B_REL_DISCR:.+]] = add nsw i8 %b, -2 - // CHECK: %[[B_IS_NICHE:.+]] = icmp samesign ugt i8 %b, 1 - // CHECK: %[[B_NOT_HOLE:.+]] = icmp ne i8 %[[B_REL_DISCR]], 1 + // CHECK: %[[B_NOT_HOLE:.+]] = icmp ne i8 %b, 3 // CHECK: tail call void @llvm.assume(i1 %[[B_NOT_HOLE]]) - // CHECK: %[[B_DISCR:.+]] = select i1 %[[B_IS_NICHE]], i8 %[[B_REL_DISCR]], i8 1 + // LLVM20: %[[B_REL_DISCR:.+]] = add nsw i8 %b, -2 + // CHECK: %[[B_IS_NICHE:.+]] = icmp samesign ugt i8 %b, 1 + // LLVM20: %[[B_DISCR:.+]] = select i1 %[[B_IS_NICHE]], i8 %[[B_REL_DISCR]], i8 1 + + // LLVM21: %[[A_MOD_DISCR:.+]] = select i1 %[[A_IS_NICHE]], i8 %a, i8 3 + // LLVM21: %[[B_MOD_DISCR:.+]] = select i1 %[[B_IS_NICHE]], i8 %b, i8 3 + // LLVM20: %[[R:.+]] = icmp eq i8 %[[A_DISCR]], %[[B_DISCR]] + // LLVM21: %[[R:.+]] = icmp eq i8 %[[A_MOD_DISCR]], %[[B_MOD_DISCR]] // CHECK: ret i1 %[[R]] discriminant_value(&a) == discriminant_value(&b) } @@ -111,19 +116,23 @@ pub fn mid_bool_eq_discr(a: Mid<bool>, b: Mid<bool>) -> bool { pub fn mid_ord_eq_discr(a: Mid<Ordering>, b: Mid<Ordering>) -> bool { // CHECK-LABEL: @mid_ord_eq_discr( - // CHECK: %[[A_REL_DISCR:.+]] = add nsw i8 %a, -2 - // CHECK: %[[A_IS_NICHE:.+]] = icmp sgt i8 %a, 1 - // CHECK: %[[A_NOT_HOLE:.+]] = icmp ne i8 %[[A_REL_DISCR]], 1 + // CHECK: %[[A_NOT_HOLE:.+]] = icmp ne i8 %a, 3 // CHECK: tail call void @llvm.assume(i1 %[[A_NOT_HOLE]]) - // CHECK: %[[A_DISCR:.+]] = select i1 %[[A_IS_NICHE]], i8 %[[A_REL_DISCR]], i8 1 + // LLVM20: %[[A_REL_DISCR:.+]] = add nsw i8 %a, -2 + // CHECK: %[[A_IS_NICHE:.+]] = icmp sgt i8 %a, 1 + // LLVM20: %[[A_DISCR:.+]] = select i1 %[[A_IS_NICHE]], i8 %[[A_REL_DISCR]], i8 1 - // CHECK: %[[B_REL_DISCR:.+]] = add nsw i8 %b, -2 - // CHECK: %[[B_IS_NICHE:.+]] = icmp sgt i8 %b, 1 - // CHECK: %[[B_NOT_HOLE:.+]] = icmp ne i8 %[[B_REL_DISCR]], 1 + // CHECK: %[[B_NOT_HOLE:.+]] = icmp ne i8 %b, 3 // CHECK: tail call void @llvm.assume(i1 %[[B_NOT_HOLE]]) - // CHECK: %[[B_DISCR:.+]] = select i1 %[[B_IS_NICHE]], i8 %[[B_REL_DISCR]], i8 1 + // LLVM20: %[[B_REL_DISCR:.+]] = add nsw i8 %b, -2 + // CHECK: %[[B_IS_NICHE:.+]] = icmp sgt i8 %b, 1 + // LLVM20: %[[B_DISCR:.+]] = select i1 %[[B_IS_NICHE]], i8 %[[B_REL_DISCR]], i8 1 - // CHECK: %[[R:.+]] = icmp eq i8 %[[A_DISCR]], %[[B_DISCR]] + // LLVM21: %[[A_MOD_DISCR:.+]] = select i1 %[[A_IS_NICHE]], i8 %a, i8 3 + // LLVM21: %[[B_MOD_DISCR:.+]] = select i1 %[[B_IS_NICHE]], i8 %b, i8 3 + + // LLVM20: %[[R:.+]] = icmp eq i8 %[[A_DISCR]], %[[B_DISCR]] + // LLVM21: %[[R:.+]] = icmp eq i8 %[[A_MOD_DISCR]], %[[B_MOD_DISCR]] // CHECK: ret i1 %[[R]] discriminant_value(&a) == discriminant_value(&b) } @@ -140,16 +149,16 @@ pub fn mid_nz32_eq_discr(a: Mid<NonZero<u32>>, b: Mid<NonZero<u32>>) -> bool { pub fn mid_ac_eq_discr(a: Mid<AC>, b: Mid<AC>) -> bool { // CHECK-LABEL: @mid_ac_eq_discr( - // LLVM20: %[[A_REL_DISCR:.+]] = xor i8 %a, -128 - // CHECK: %[[A_IS_NICHE:.+]] = icmp slt i8 %a, 0 // CHECK: %[[A_NOT_HOLE:.+]] = icmp ne i8 %a, -127 // CHECK: tail call void @llvm.assume(i1 %[[A_NOT_HOLE]]) + // LLVM20: %[[A_REL_DISCR:.+]] = xor i8 %a, -128 + // CHECK: %[[A_IS_NICHE:.+]] = icmp slt i8 %a, 0 // LLVM20: %[[A_DISCR:.+]] = select i1 %[[A_IS_NICHE]], i8 %[[A_REL_DISCR]], i8 1 - // LLVM20: %[[B_REL_DISCR:.+]] = xor i8 %b, -128 - // CHECK: %[[B_IS_NICHE:.+]] = icmp slt i8 %b, 0 // CHECK: %[[B_NOT_HOLE:.+]] = icmp ne i8 %b, -127 // CHECK: tail call void @llvm.assume(i1 %[[B_NOT_HOLE]]) + // LLVM20: %[[B_REL_DISCR:.+]] = xor i8 %b, -128 + // CHECK: %[[B_IS_NICHE:.+]] = icmp slt i8 %b, 0 // LLVM20: %[[B_DISCR:.+]] = select i1 %[[B_IS_NICHE]], i8 %[[B_REL_DISCR]], i8 1 // LLVM21: %[[A_DISCR:.+]] = select i1 %[[A_IS_NICHE]], i8 %a, i8 -127 @@ -166,21 +175,25 @@ pub fn mid_ac_eq_discr(a: Mid<AC>, b: Mid<AC>) -> bool { pub fn mid_giant_eq_discr(a: Mid<Giant>, b: Mid<Giant>) -> bool { // CHECK-LABEL: @mid_giant_eq_discr( + // CHECK: %[[A_NOT_HOLE:.+]] = icmp ne i128 %a, 6 + // CHECK: tail call void @llvm.assume(i1 %[[A_NOT_HOLE]]) // CHECK: %[[A_TRUNC:.+]] = trunc nuw nsw i128 %a to i64 - // CHECK: %[[A_REL_DISCR:.+]] = add nsw i64 %[[A_TRUNC]], -5 + // LLVM20: %[[A_REL_DISCR:.+]] = add nsw i64 %[[A_TRUNC]], -5 // CHECK: %[[A_IS_NICHE:.+]] = icmp samesign ugt i128 %a, 4 - // CHECK: %[[A_NOT_HOLE:.+]] = icmp ne i64 %[[A_REL_DISCR]], 1 - // CHECK: tail call void @llvm.assume(i1 %[[A_NOT_HOLE]]) - // CHECK: %[[A_DISCR:.+]] = select i1 %[[A_IS_NICHE]], i64 %[[A_REL_DISCR]], i64 1 + // LLVM20: %[[A_DISCR:.+]] = select i1 %[[A_IS_NICHE]], i64 %[[A_REL_DISCR]], i64 1 + // CHECK: %[[B_NOT_HOLE:.+]] = icmp ne i128 %b, 6 + // CHECK: tail call void @llvm.assume(i1 %[[B_NOT_HOLE]]) // CHECK: %[[B_TRUNC:.+]] = trunc nuw nsw i128 %b to i64 - // CHECK: %[[B_REL_DISCR:.+]] = add nsw i64 %[[B_TRUNC]], -5 + // LLVM20: %[[B_REL_DISCR:.+]] = add nsw i64 %[[B_TRUNC]], -5 // CHECK: %[[B_IS_NICHE:.+]] = icmp samesign ugt i128 %b, 4 - // CHECK: %[[B_NOT_HOLE:.+]] = icmp ne i64 %[[B_REL_DISCR]], 1 - // CHECK: tail call void @llvm.assume(i1 %[[B_NOT_HOLE]]) - // CHECK: %[[B_DISCR:.+]] = select i1 %[[B_IS_NICHE]], i64 %[[B_REL_DISCR]], i64 1 + // LLVM20: %[[B_DISCR:.+]] = select i1 %[[B_IS_NICHE]], i64 %[[B_REL_DISCR]], i64 1 + + // LLVM21: %[[A_MODIFIED_TAG:.+]] = select i1 %[[A_IS_NICHE]], i64 %[[A_TRUNC]], i64 6 + // LLVM21: %[[B_MODIFIED_TAG:.+]] = select i1 %[[B_IS_NICHE]], i64 %[[B_TRUNC]], i64 6 + // LLVM21: %[[R:.+]] = icmp eq i64 %[[A_MODIFIED_TAG]], %[[B_MODIFIED_TAG]] - // CHECK: %[[R:.+]] = icmp eq i64 %[[A_DISCR]], %[[B_DISCR]] + // LLVM20: %[[R:.+]] = icmp eq i64 %[[A_DISCR]], %[[B_DISCR]] // CHECK: ret i1 %[[R]] discriminant_value(&a) == discriminant_value(&b) } diff --git a/tests/codegen-llvm/enum/enum-match.rs b/tests/codegen-llvm/enum/enum-match.rs index 57db44ec74e..091c4e9adf4 100644 --- a/tests/codegen-llvm/enum/enum-match.rs +++ b/tests/codegen-llvm/enum/enum-match.rs @@ -138,18 +138,18 @@ pub fn match3(e: Option<&u8>) -> i16 { #[derive(PartialEq)] pub enum MiddleNiche { - A, - B, - C(bool), - D, - E, + A, // tag 2 + B, // tag 3 + C(bool), // untagged + D, // tag 5 + E, // tag 6 } // CHECK-LABEL: define{{( dso_local)?}} noundef{{( range\(i8 -?[0-9]+, -?[0-9]+\))?}} i8 @match4(i8{{.+}}%0) // CHECK-NEXT: start: -// CHECK-NEXT: %[[REL_VAR:.+]] = add{{( nsw)?}} i8 %0, -2 -// CHECK-NEXT: %[[NOT_IMPOSSIBLE:.+]] = icmp ne i8 %[[REL_VAR]], 2 +// CHECK-NEXT: %[[NOT_IMPOSSIBLE:.+]] = icmp ne i8 %0, 4 // CHECK-NEXT: call void @llvm.assume(i1 %[[NOT_IMPOSSIBLE]]) +// CHECK-NEXT: %[[REL_VAR:.+]] = add{{( nsw)?}} i8 %0, -2 // CHECK-NEXT: %[[NOT_NICHE:.+]] = icmp{{( samesign)?}} ult i8 %0, 2 // CHECK-NEXT: %[[DISCR:.+]] = select i1 %[[NOT_NICHE]], i8 2, i8 %[[REL_VAR]] // CHECK-NEXT: switch i8 %[[DISCR]] @@ -443,19 +443,19 @@ pub enum HugeVariantIndex { V255(Never), V256(Never), - Possible257, - Bool258(bool), - Possible259, + Possible257, // tag 2 + Bool258(bool), // untagged + Possible259, // tag 4 } // CHECK-LABEL: define{{( dso_local)?}} noundef{{( range\(i8 [0-9]+, [0-9]+\))?}} i8 @match5(i8{{.+}}%0) // CHECK-NEXT: start: +// CHECK-NEXT: %[[NOT_IMPOSSIBLE:.+]] = icmp ne i8 %0, 3 +// CHECK-NEXT: call void @llvm.assume(i1 %[[NOT_IMPOSSIBLE]]) // CHECK-NEXT: %[[REL_VAR:.+]] = add{{( nsw)?}} i8 %0, -2 // CHECK-NEXT: %[[REL_VAR_WIDE:.+]] = zext i8 %[[REL_VAR]] to i64 // CHECK-NEXT: %[[IS_NICHE:.+]] = icmp{{( samesign)?}} ugt i8 %0, 1 // CHECK-NEXT: %[[NICHE_DISCR:.+]] = add nuw nsw i64 %[[REL_VAR_WIDE]], 257 -// CHECK-NEXT: %[[NOT_IMPOSSIBLE:.+]] = icmp ne i64 %[[NICHE_DISCR]], 258 -// CHECK-NEXT: call void @llvm.assume(i1 %[[NOT_IMPOSSIBLE]]) // CHECK-NEXT: %[[DISCR:.+]] = select i1 %[[IS_NICHE]], i64 %[[NICHE_DISCR]], i64 258 // CHECK-NEXT: switch i64 %[[DISCR]], // CHECK-NEXT: i64 257, diff --git a/tests/crashes/144293-indirect-ops-llvm.rs b/tests/crashes/144293-indirect-ops-llvm.rs new file mode 100644 index 00000000000..490a0116d7d --- /dev/null +++ b/tests/crashes/144293-indirect-ops-llvm.rs @@ -0,0 +1,42 @@ +//@ known-bug: #144293 +// Same as recursion-etc but eggs LLVM emission into giving indirect arguments. +#![expect(incomplete_features)] +#![feature(explicit_tail_calls)] + +use std::hint::black_box; + +struct U64Wrapper { + pub x: u64, + pub arbitrary: String, +} + +fn count(curr: U64Wrapper, top: U64Wrapper) -> U64Wrapper { + if black_box(curr.x) >= top.x { + curr + } else { + become count( + U64Wrapper { + x: curr.x + 1, + arbitrary: curr.arbitrary, + }, + top, + ) + } +} + +fn main() { + println!( + "{}", + count( + U64Wrapper { + x: 0, + arbitrary: "hello!".into() + }, + black_box(U64Wrapper { + x: 1000000, + arbitrary: "goodbye!".into() + }) + ) + .x + ); +} diff --git a/tests/mir-opt/building/issue_101867.main.built.after.mir b/tests/mir-opt/building/issue_101867.main.built.after.mir index e59b23fdd20..8a36c901eed 100644 --- a/tests/mir-opt/building/issue_101867.main.built.after.mir +++ b/tests/mir-opt/building/issue_101867.main.built.after.mir @@ -24,7 +24,6 @@ fn main() -> () { _1 = Option::<u8>::Some(const 1_u8); FakeRead(ForLet(None), _1); AscribeUserType(_1, o, UserTypeProjection { base: UserType(1), projs: [] }); - StorageLive(_5); PlaceMention(_1); _6 = discriminant(_1); switchInt(move _6) -> [1: bb4, otherwise: bb3]; @@ -55,6 +54,7 @@ fn main() -> () { } bb6: { + StorageLive(_5); _5 = copy ((_1 as Some).0: u8); _0 = const (); StorageDead(_5); @@ -63,7 +63,6 @@ fn main() -> () { } bb7: { - StorageDead(_5); goto -> bb1; } diff --git a/tests/mir-opt/building/user_type_annotations.let_else.built.after.mir b/tests/mir-opt/building/user_type_annotations.let_else.built.after.mir index 6369dbec750..3d26fe24ac9 100644 --- a/tests/mir-opt/building/user_type_annotations.let_else.built.after.mir +++ b/tests/mir-opt/building/user_type_annotations.let_else.built.after.mir @@ -21,9 +21,6 @@ fn let_else() -> () { } bb0: { - StorageLive(_2); - StorageLive(_3); - StorageLive(_4); StorageLive(_5); StorageLive(_6); StorageLive(_7); @@ -51,16 +48,19 @@ fn let_else() -> () { bb4: { AscribeUserType(_5, +, UserTypeProjection { base: UserType(1), projs: [] }); + StorageLive(_2); _2 = copy (_5.0: u32); + StorageLive(_3); _3 = copy (_5.1: u64); + StorageLive(_4); _4 = copy (_5.2: &char); StorageDead(_7); StorageDead(_5); _0 = const (); - StorageDead(_8); StorageDead(_4); StorageDead(_3); StorageDead(_2); + StorageDead(_8); return; } @@ -68,9 +68,6 @@ fn let_else() -> () { StorageDead(_7); StorageDead(_5); StorageDead(_8); - StorageDead(_4); - StorageDead(_3); - StorageDead(_2); goto -> bb1; } diff --git a/tests/mir-opt/match_arm_scopes.complicated_match.panic-abort.SimplifyCfg-initial.after-ElaborateDrops.after.diff b/tests/mir-opt/match_arm_scopes.complicated_match.panic-abort.SimplifyCfg-initial.after-ElaborateDrops.after.diff index b3eb3e1f8b9..484bc7dad12 100644 --- a/tests/mir-opt/match_arm_scopes.complicated_match.panic-abort.SimplifyCfg-initial.after-ElaborateDrops.after.diff +++ b/tests/mir-opt/match_arm_scopes.complicated_match.panic-abort.SimplifyCfg-initial.after-ElaborateDrops.after.diff @@ -85,11 +85,11 @@ _8 = &(_2.2: std::string::String); - _3 = &fake shallow (_2.0: bool); - _4 = &fake shallow (_2.1: bool); - StorageLive(_12); - StorageLive(_13); - _13 = copy _1; -- switchInt(move _13) -> [0: bb16, otherwise: bb15]; -+ switchInt(move _13) -> [0: bb13, otherwise: bb12]; + StorageLive(_9); + StorageLive(_10); + _10 = copy _1; +- switchInt(move _10) -> [0: bb12, otherwise: bb11]; ++ switchInt(move _10) -> [0: bb9, otherwise: bb8]; } - bb9: { @@ -100,11 +100,11 @@ _8 = &(_2.2: std::string::String); - _3 = &fake shallow (_2.0: bool); - _4 = &fake shallow (_2.1: bool); - StorageLive(_9); - StorageLive(_10); - _10 = copy _1; -- switchInt(move _10) -> [0: bb12, otherwise: bb11]; -+ switchInt(move _10) -> [0: bb9, otherwise: bb8]; + StorageLive(_12); + StorageLive(_13); + _13 = copy _1; +- switchInt(move _13) -> [0: bb16, otherwise: bb15]; ++ switchInt(move _13) -> [0: bb13, otherwise: bb12]; } - bb10: { @@ -139,7 +139,7 @@ - FakeRead(ForGuardBinding, _6); - FakeRead(ForGuardBinding, _8); StorageLive(_5); - _5 = copy (_2.1: bool); + _5 = copy (_2.0: bool); StorageLive(_7); _7 = move (_2.2: std::string::String); - goto -> bb10; @@ -152,8 +152,8 @@ StorageDead(_9); StorageDead(_8); StorageDead(_6); -- falseEdge -> [real: bb1, imaginary: bb1]; -+ goto -> bb1; +- falseEdge -> [real: bb3, imaginary: bb3]; ++ goto -> bb2; } - bb15: { @@ -181,7 +181,7 @@ - FakeRead(ForGuardBinding, _6); - FakeRead(ForGuardBinding, _8); StorageLive(_5); - _5 = copy (_2.0: bool); + _5 = copy (_2.1: bool); StorageLive(_7); _7 = move (_2.2: std::string::String); - goto -> bb10; @@ -194,8 +194,8 @@ StorageDead(_12); StorageDead(_8); StorageDead(_6); -- falseEdge -> [real: bb3, imaginary: bb3]; -+ goto -> bb2; +- falseEdge -> [real: bb1, imaginary: bb1]; ++ goto -> bb1; } - bb19: { diff --git a/tests/mir-opt/match_arm_scopes.complicated_match.panic-unwind.SimplifyCfg-initial.after-ElaborateDrops.after.diff b/tests/mir-opt/match_arm_scopes.complicated_match.panic-unwind.SimplifyCfg-initial.after-ElaborateDrops.after.diff index b3eb3e1f8b9..484bc7dad12 100644 --- a/tests/mir-opt/match_arm_scopes.complicated_match.panic-unwind.SimplifyCfg-initial.after-ElaborateDrops.after.diff +++ b/tests/mir-opt/match_arm_scopes.complicated_match.panic-unwind.SimplifyCfg-initial.after-ElaborateDrops.after.diff @@ -85,11 +85,11 @@ _8 = &(_2.2: std::string::String); - _3 = &fake shallow (_2.0: bool); - _4 = &fake shallow (_2.1: bool); - StorageLive(_12); - StorageLive(_13); - _13 = copy _1; -- switchInt(move _13) -> [0: bb16, otherwise: bb15]; -+ switchInt(move _13) -> [0: bb13, otherwise: bb12]; + StorageLive(_9); + StorageLive(_10); + _10 = copy _1; +- switchInt(move _10) -> [0: bb12, otherwise: bb11]; ++ switchInt(move _10) -> [0: bb9, otherwise: bb8]; } - bb9: { @@ -100,11 +100,11 @@ _8 = &(_2.2: std::string::String); - _3 = &fake shallow (_2.0: bool); - _4 = &fake shallow (_2.1: bool); - StorageLive(_9); - StorageLive(_10); - _10 = copy _1; -- switchInt(move _10) -> [0: bb12, otherwise: bb11]; -+ switchInt(move _10) -> [0: bb9, otherwise: bb8]; + StorageLive(_12); + StorageLive(_13); + _13 = copy _1; +- switchInt(move _13) -> [0: bb16, otherwise: bb15]; ++ switchInt(move _13) -> [0: bb13, otherwise: bb12]; } - bb10: { @@ -139,7 +139,7 @@ - FakeRead(ForGuardBinding, _6); - FakeRead(ForGuardBinding, _8); StorageLive(_5); - _5 = copy (_2.1: bool); + _5 = copy (_2.0: bool); StorageLive(_7); _7 = move (_2.2: std::string::String); - goto -> bb10; @@ -152,8 +152,8 @@ StorageDead(_9); StorageDead(_8); StorageDead(_6); -- falseEdge -> [real: bb1, imaginary: bb1]; -+ goto -> bb1; +- falseEdge -> [real: bb3, imaginary: bb3]; ++ goto -> bb2; } - bb15: { @@ -181,7 +181,7 @@ - FakeRead(ForGuardBinding, _6); - FakeRead(ForGuardBinding, _8); StorageLive(_5); - _5 = copy (_2.0: bool); + _5 = copy (_2.1: bool); StorageLive(_7); _7 = move (_2.2: std::string::String); - goto -> bb10; @@ -194,8 +194,8 @@ StorageDead(_12); StorageDead(_8); StorageDead(_6); -- falseEdge -> [real: bb3, imaginary: bb3]; -+ goto -> bb2; +- falseEdge -> [real: bb1, imaginary: bb1]; ++ goto -> bb1; } - bb19: { diff --git a/tests/run-make/const-trait-stable-toolchain/const-super-trait-nightly-disabled.stderr b/tests/run-make/const-trait-stable-toolchain/const-super-trait-nightly-disabled.stderr index 464208f989e..895558f3b0f 100644 --- a/tests/run-make/const-trait-stable-toolchain/const-super-trait-nightly-disabled.stderr +++ b/tests/run-make/const-trait-stable-toolchain/const-super-trait-nightly-disabled.stderr @@ -1,20 +1,20 @@ error: `[const]` is not allowed here --> const-super-trait.rs:7:12 | -LL | trait Bar: ~const Foo {} - | ^^^^^^ +LL | trait Bar: [const] Foo {} + | ^^^^^^^ | note: this trait is not `const`, so it cannot have `[const]` trait bounds --> const-super-trait.rs:7:1 | -LL | trait Bar: ~const Foo {} - | ^^^^^^^^^^^^^^^^^^^^^^^^ +LL | trait Bar: [const] Foo {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0658]: const trait impls are experimental --> const-super-trait.rs:7:12 | -LL | trait Bar: ~const Foo {} - | ^^^^^^ +LL | trait Bar: [const] Foo {} + | ^^^^^^^ | = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable @@ -23,8 +23,8 @@ LL | trait Bar: ~const Foo {} error[E0658]: const trait impls are experimental --> const-super-trait.rs:9:17 | -LL | const fn foo<T: ~const Bar>(x: &T) { - | ^^^^^^ +LL | const fn foo<T: [const] Bar>(x: &T) { + | ^^^^^^^ | = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable @@ -33,8 +33,8 @@ LL | const fn foo<T: ~const Bar>(x: &T) { error: `[const]` can only be applied to `const` traits --> const-super-trait.rs:7:12 | -LL | trait Bar: ~const Foo {} - | ^^^^^^ can't be applied to `Foo` +LL | trait Bar: [const] Foo {} + | ^^^^^^^ can't be applied to `Foo` | help: enable `#![feature(const_trait_impl)]` in your crate and mark `Foo` as `const` to allow it to have `const` implementations | @@ -44,12 +44,12 @@ LL | #[const_trait] trait Foo { error: `[const]` can only be applied to `const` traits --> const-super-trait.rs:9:17 | -LL | const fn foo<T: ~const Bar>(x: &T) { - | ^^^^^^ can't be applied to `Bar` +LL | const fn foo<T: [const] Bar>(x: &T) { + | ^^^^^^^ can't be applied to `Bar` | help: enable `#![feature(const_trait_impl)]` in your crate and mark `Bar` as `const` to allow it to have `const` implementations | -LL | #[const_trait] trait Bar: ~const Foo {} +LL | #[const_trait] trait Bar: [const] Foo {} | ++++++++++++++ error[E0015]: cannot call non-const method `<T as Foo>::a` in constant functions diff --git a/tests/run-make/const-trait-stable-toolchain/const-super-trait-nightly-enabled.stderr b/tests/run-make/const-trait-stable-toolchain/const-super-trait-nightly-enabled.stderr index 569e559186f..821ab6fa57c 100644 --- a/tests/run-make/const-trait-stable-toolchain/const-super-trait-nightly-enabled.stderr +++ b/tests/run-make/const-trait-stable-toolchain/const-super-trait-nightly-enabled.stderr @@ -1,20 +1,20 @@ error: `[const]` is not allowed here --> const-super-trait.rs:7:12 | -LL | trait Bar: ~const Foo {} - | ^^^^^^ +LL | trait Bar: [const] Foo {} + | ^^^^^^^ | note: this trait is not `const`, so it cannot have `[const]` trait bounds --> const-super-trait.rs:7:1 | -LL | trait Bar: ~const Foo {} - | ^^^^^^^^^^^^^^^^^^^^^^^^ +LL | trait Bar: [const] Foo {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^ error: `[const]` can only be applied to `const` traits --> const-super-trait.rs:7:12 | -LL | trait Bar: ~const Foo {} - | ^^^^^^ can't be applied to `Foo` +LL | trait Bar: [const] Foo {} + | ^^^^^^^ can't be applied to `Foo` | help: mark `Foo` as `const` to allow it to have `const` implementations | @@ -24,12 +24,12 @@ LL | #[const_trait] trait Foo { error: `[const]` can only be applied to `const` traits --> const-super-trait.rs:9:17 | -LL | const fn foo<T: ~const Bar>(x: &T) { - | ^^^^^^ can't be applied to `Bar` +LL | const fn foo<T: [const] Bar>(x: &T) { + | ^^^^^^^ can't be applied to `Bar` | help: mark `Bar` as `const` to allow it to have `const` implementations | -LL | #[const_trait] trait Bar: ~const Foo {} +LL | #[const_trait] trait Bar: [const] Foo {} | ++++++++++++++ error[E0015]: cannot call non-const method `<T as Foo>::a` in constant functions diff --git a/tests/run-make/const-trait-stable-toolchain/const-super-trait-stable-disabled.stderr b/tests/run-make/const-trait-stable-toolchain/const-super-trait-stable-disabled.stderr index 694e06fb6ea..b39be78e438 100644 --- a/tests/run-make/const-trait-stable-toolchain/const-super-trait-stable-disabled.stderr +++ b/tests/run-make/const-trait-stable-toolchain/const-super-trait-stable-disabled.stderr @@ -1,36 +1,36 @@ error: `[const]` is not allowed here --> const-super-trait.rs:7:12 | -7 | trait Bar: ~const Foo {} - | ^^^^^^ +7 | trait Bar: [const] Foo {} + | ^^^^^^^ | note: this trait is not `const`, so it cannot have `[const]` trait bounds --> const-super-trait.rs:7:1 | -7 | trait Bar: ~const Foo {} - | ^^^^^^^^^^^^^^^^^^^^^^^^ +7 | trait Bar: [const] Foo {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0658]: const trait impls are experimental --> const-super-trait.rs:7:12 | -7 | trait Bar: ~const Foo {} - | ^^^^^^ +7 | trait Bar: [const] Foo {} + | ^^^^^^^ | = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information error[E0658]: const trait impls are experimental --> const-super-trait.rs:9:17 | -9 | const fn foo<T: ~const Bar>(x: &T) { - | ^^^^^^ +9 | const fn foo<T: [const] Bar>(x: &T) { + | ^^^^^^^ | = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information error: `[const]` can only be applied to `const` traits --> const-super-trait.rs:7:12 | -7 | trait Bar: ~const Foo {} - | ^^^^^^ can't be applied to `Foo` +7 | trait Bar: [const] Foo {} + | ^^^^^^^ can't be applied to `Foo` | note: `Foo` can't be used with `[const]` because it isn't `const` --> const-super-trait.rs:3:1 @@ -41,14 +41,14 @@ note: `Foo` can't be used with `[const]` because it isn't `const` error: `[const]` can only be applied to `const` traits --> const-super-trait.rs:9:17 | -9 | const fn foo<T: ~const Bar>(x: &T) { - | ^^^^^^ can't be applied to `Bar` +9 | const fn foo<T: [const] Bar>(x: &T) { + | ^^^^^^^ can't be applied to `Bar` | note: `Bar` can't be used with `[const]` because it isn't `const` --> const-super-trait.rs:7:1 | -7 | trait Bar: ~const Foo {} - | ^^^^^^^^^^^^^^^^^^^^^ +7 | trait Bar: [const] Foo {} + | ^^^^^^^^^^^^^^^^^^^^^^ error[E0015]: cannot call non-const method `<T as Foo>::a` in constant functions --> const-super-trait.rs:10:7 diff --git a/tests/run-make/const-trait-stable-toolchain/const-super-trait-stable-enabled.stderr b/tests/run-make/const-trait-stable-toolchain/const-super-trait-stable-enabled.stderr index 2109f0deb72..30ee5cf6f4b 100644 --- a/tests/run-make/const-trait-stable-toolchain/const-super-trait-stable-enabled.stderr +++ b/tests/run-make/const-trait-stable-toolchain/const-super-trait-stable-enabled.stderr @@ -1,14 +1,14 @@ error: `[const]` is not allowed here --> const-super-trait.rs:7:12 | -7 | trait Bar: ~const Foo {} - | ^^^^^^ +7 | trait Bar: [const] Foo {} + | ^^^^^^^ | note: this trait is not `const`, so it cannot have `[const]` trait bounds --> const-super-trait.rs:7:1 | -7 | trait Bar: ~const Foo {} - | ^^^^^^^^^^^^^^^^^^^^^^^^ +7 | trait Bar: [const] Foo {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0554]: `#![feature]` may not be used on the NIGHTLY release channel --> const-super-trait.rs:1:30 @@ -19,8 +19,8 @@ error[E0554]: `#![feature]` may not be used on the NIGHTLY release channel error: `[const]` can only be applied to `const` traits --> const-super-trait.rs:7:12 | -7 | trait Bar: ~const Foo {} - | ^^^^^^ can't be applied to `Foo` +7 | trait Bar: [const] Foo {} + | ^^^^^^^ can't be applied to `Foo` | note: `Foo` can't be used with `[const]` because it isn't `const` --> const-super-trait.rs:3:1 @@ -31,14 +31,14 @@ note: `Foo` can't be used with `[const]` because it isn't `const` error: `[const]` can only be applied to `const` traits --> const-super-trait.rs:9:17 | -9 | const fn foo<T: ~const Bar>(x: &T) { - | ^^^^^^ can't be applied to `Bar` +9 | const fn foo<T: [const] Bar>(x: &T) { + | ^^^^^^^ can't be applied to `Bar` | note: `Bar` can't be used with `[const]` because it isn't `const` --> const-super-trait.rs:7:1 | -7 | trait Bar: ~const Foo {} - | ^^^^^^^^^^^^^^^^^^^^^ +7 | trait Bar: [const] Foo {} + | ^^^^^^^^^^^^^^^^^^^^^^ error[E0015]: cannot call non-const method `<T as Foo>::a` in constant functions --> const-super-trait.rs:10:7 diff --git a/tests/run-make/const-trait-stable-toolchain/const-super-trait.rs b/tests/run-make/const-trait-stable-toolchain/const-super-trait.rs index b2ee96d79f7..2371dfc0e6d 100644 --- a/tests/run-make/const-trait-stable-toolchain/const-super-trait.rs +++ b/tests/run-make/const-trait-stable-toolchain/const-super-trait.rs @@ -4,9 +4,9 @@ trait Foo { fn a(&self); } -trait Bar: ~const Foo {} +trait Bar: [const] Foo {} -const fn foo<T: ~const Bar>(x: &T) { +const fn foo<T: [const] Bar>(x: &T) { x.a(); } diff --git a/tests/run-make/libtest-json/output-default.json b/tests/run-make/libtest-json/output-default.json index a6a8a9f3b47..5371715d17c 100644 --- a/tests/run-make/libtest-json/output-default.json +++ b/tests/run-make/libtest-json/output-default.json @@ -2,7 +2,7 @@ { "type": "test", "event": "started", "name": "a" } { "type": "test", "name": "a", "event": "ok" } { "type": "test", "event": "started", "name": "b" } -{ "type": "test", "name": "b", "event": "failed", "stdout": "\nthread 'b' panicked at f.rs:9:5:\nassertion failed: false\nnote: run with `RUST_BACKTRACE=1` environment variable to display a backtrace\n" } +{ "type": "test", "name": "b", "event": "failed", "stdout": "\nthread 'b' ($TID) panicked at f.rs:9:5:\nassertion failed: false\nnote: run with `RUST_BACKTRACE=1` environment variable to display a backtrace\n" } { "type": "test", "event": "started", "name": "c" } { "type": "test", "name": "c", "event": "ok" } { "type": "test", "event": "started", "name": "d" } diff --git a/tests/run-make/libtest-json/output-stdout-success.json b/tests/run-make/libtest-json/output-stdout-success.json index a6c36e746b3..5caadcf56cf 100644 --- a/tests/run-make/libtest-json/output-stdout-success.json +++ b/tests/run-make/libtest-json/output-stdout-success.json @@ -2,9 +2,9 @@ { "type": "test", "event": "started", "name": "a" } { "type": "test", "name": "a", "event": "ok", "stdout": "print from successful test\n" } { "type": "test", "event": "started", "name": "b" } -{ "type": "test", "name": "b", "event": "failed", "stdout": "\nthread 'b' panicked at f.rs:9:5:\nassertion failed: false\nnote: run with `RUST_BACKTRACE=1` environment variable to display a backtrace\n" } +{ "type": "test", "name": "b", "event": "failed", "stdout": "\nthread 'b' ($TID) panicked at f.rs:9:5:\nassertion failed: false\nnote: run with `RUST_BACKTRACE=1` environment variable to display a backtrace\n" } { "type": "test", "event": "started", "name": "c" } -{ "type": "test", "name": "c", "event": "ok", "stdout": "\nthread 'c' panicked at f.rs:15:5:\nassertion failed: false\n" } +{ "type": "test", "name": "c", "event": "ok", "stdout": "\nthread 'c' ($TID) panicked at f.rs:15:5:\nassertion failed: false\n" } { "type": "test", "event": "started", "name": "d" } { "type": "test", "name": "d", "event": "ignored", "message": "msg" } { "type": "suite", "event": "failed", "passed": 2, "failed": 1, "ignored": 1, "measured": 0, "filtered_out": 0, "exec_time": "$EXEC_TIME" } diff --git a/tests/run-make/libtest-json/rmake.rs b/tests/run-make/libtest-json/rmake.rs index c31f4a79b64..034ba6246f1 100644 --- a/tests/run-make/libtest-json/rmake.rs +++ b/tests/run-make/libtest-json/rmake.rs @@ -38,5 +38,6 @@ fn run_tests(extra_args: &[&str], expected_file: &str) { .expected_file(expected_file) .actual_text("stdout", test_stdout) .normalize(r#"(?<prefix>"exec_time": )[0-9.]+"#, r#"${prefix}"$$EXEC_TIME""#) + .normalize(r"thread '(?P<name>.*?)' \(\d+\) panicked", "thread '$name' ($$TID) panicked") .run(); } diff --git a/tests/run-make/libtest-junit/output-default.xml b/tests/run-make/libtest-junit/output-default.xml index aa1b8c855aa..2467d8d940a 100644 --- a/tests/run-make/libtest-junit/output-default.xml +++ b/tests/run-make/libtest-junit/output-default.xml @@ -1 +1 @@ -<?xml version="1.0" encoding="UTF-8"?><testsuites><testsuite name="test" package="test" id="0" errors="0" failures="1" tests="4" skipped="1" ><testcase classname="unknown" name="a" time="$TIME"/><testcase classname="unknown" name="b" time="$TIME"><failure type="assert"/><system-out><![CDATA[print from failing test]]>

<![CDATA[thread 'b' panicked at f.rs:10:5:]]>
<![CDATA[assertion failed: false]]>
<![CDATA[note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace]]>
<![CDATA[]]></system-out></testcase><testcase classname="unknown" name="c" time="$TIME"/><system-out/><system-err/></testsuite></testsuites> +<?xml version="1.0" encoding="UTF-8"?><testsuites><testsuite name="test" package="test" id="0" errors="0" failures="1" tests="4" skipped="1" ><testcase classname="unknown" name="a" time="$TIME"/><testcase classname="unknown" name="b" time="$TIME"><failure type="assert"/><system-out><![CDATA[print from failing test]]>

<![CDATA[thread 'b' ($TID) panicked at f.rs:10:5:]]>
<![CDATA[assertion failed: false]]>
<![CDATA[note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace]]>
<![CDATA[]]></system-out></testcase><testcase classname="unknown" name="c" time="$TIME"/><system-out/><system-err/></testsuite></testsuites> diff --git a/tests/run-make/libtest-junit/output-stdout-success.xml b/tests/run-make/libtest-junit/output-stdout-success.xml index 2592ec7efb1..6bf1d7008a4 100644 --- a/tests/run-make/libtest-junit/output-stdout-success.xml +++ b/tests/run-make/libtest-junit/output-stdout-success.xml @@ -1 +1 @@ -<?xml version="1.0" encoding="UTF-8"?><testsuites><testsuite name="test" package="test" id="0" errors="0" failures="1" tests="4" skipped="1" ><testcase classname="unknown" name="a" time="$TIME"><system-out><![CDATA[print from successful test]]>
<![CDATA[]]></system-out></testcase><testcase classname="unknown" name="b" time="$TIME"><failure type="assert"/><system-out><![CDATA[print from failing test]]>

<![CDATA[thread 'b' panicked at f.rs:10:5:]]>
<![CDATA[assertion failed: false]]>
<![CDATA[note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace]]>
<![CDATA[]]></system-out></testcase><testcase classname="unknown" name="c" time="$TIME"><system-out><![CDATA[]]>
<![CDATA[thread 'c' panicked at f.rs:16:5:]]>
<![CDATA[assertion failed: false]]>
<![CDATA[]]></system-out></testcase><system-out/><system-err/></testsuite></testsuites> +<?xml version="1.0" encoding="UTF-8"?><testsuites><testsuite name="test" package="test" id="0" errors="0" failures="1" tests="4" skipped="1" ><testcase classname="unknown" name="a" time="$TIME"><system-out><![CDATA[print from successful test]]>
<![CDATA[]]></system-out></testcase><testcase classname="unknown" name="b" time="$TIME"><failure type="assert"/><system-out><![CDATA[print from failing test]]>

<![CDATA[thread 'b' ($TID) panicked at f.rs:10:5:]]>
<![CDATA[assertion failed: false]]>
<![CDATA[note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace]]>
<![CDATA[]]></system-out></testcase><testcase classname="unknown" name="c" time="$TIME"><system-out><![CDATA[]]>
<![CDATA[thread 'c' ($TID) panicked at f.rs:16:5:]]>
<![CDATA[assertion failed: false]]>
<![CDATA[]]></system-out></testcase><system-out/><system-err/></testsuite></testsuites> diff --git a/tests/run-make/libtest-junit/rmake.rs b/tests/run-make/libtest-junit/rmake.rs index 5917660b6c7..6961be21513 100644 --- a/tests/run-make/libtest-junit/rmake.rs +++ b/tests/run-make/libtest-junit/rmake.rs @@ -27,5 +27,6 @@ fn run_tests(extra_args: &[&str], expected_file: &str) { .expected_file(expected_file) .actual_text("stdout", test_stdout) .normalize(r#"\btime="[0-9.]+""#, r#"time="$$TIME""#) + .normalize(r"thread '(?P<name>.*?)' \(\d+\) panicked", "thread '$name' ($$TID) panicked") .run(); } diff --git a/tests/run-make/msvc-wholearchive/rmake.rs b/tests/run-make/msvc-wholearchive/rmake.rs index 98586fd8cc8..aec9391a420 100644 --- a/tests/run-make/msvc-wholearchive/rmake.rs +++ b/tests/run-make/msvc-wholearchive/rmake.rs @@ -7,7 +7,7 @@ use std::path::PathBuf; -use run_make_support::{cc, cmd, env_var, extra_c_flags, rustc}; +use run_make_support::{cc, cmd, env_var, extra_linker_flags, rustc}; fn main() { // Build the staticlib @@ -31,7 +31,7 @@ fn main() { // Otherwise the actual test failure may be caused by something else. cmd(&linker) .args(["c.obj", "./static.lib", "-dll", "-def:dll.def", "-out:dll.dll"]) - .args(extra_c_flags()) + .args(extra_linker_flags()) .run(); // FIXME(@ChrisDenton): this doesn't currently work with llvm's lld-link for other reasons. @@ -46,7 +46,7 @@ fn main() { "-def:dll.def", "-out:dll_whole_archive.dll", ]) - .args(extra_c_flags()) + .args(extra_linker_flags()) .run(); } } diff --git a/tests/run-make/rustdoc-scrape-examples-paths/foo/Cargo.toml b/tests/run-make/rustdoc-scrape-examples-paths/foo/Cargo.toml new file mode 100644 index 00000000000..6962028375b --- /dev/null +++ b/tests/run-make/rustdoc-scrape-examples-paths/foo/Cargo.toml @@ -0,0 +1,8 @@ +[package] +name = "foo" +version = "0.0.1" +edition = "2024" + +[[example]] +name = "complex" +doc-scrape-examples = true diff --git a/tests/run-make/rustdoc-scrape-examples-paths/foo/examples/complex.rs b/tests/run-make/rustdoc-scrape-examples-paths/foo/examples/complex.rs new file mode 100644 index 00000000000..1cda7e098f4 --- /dev/null +++ b/tests/run-make/rustdoc-scrape-examples-paths/foo/examples/complex.rs @@ -0,0 +1,3 @@ +fn main() { + let mut x = foo::X::new(); +} diff --git a/tests/run-make/rustdoc-scrape-examples-paths/foo/examples/tester.rs b/tests/run-make/rustdoc-scrape-examples-paths/foo/examples/tester.rs new file mode 100644 index 00000000000..fbd1906ec09 --- /dev/null +++ b/tests/run-make/rustdoc-scrape-examples-paths/foo/examples/tester.rs @@ -0,0 +1 @@ +// This file MUST exist to trigger the original bug. diff --git a/tests/run-make/rustdoc-scrape-examples-paths/foo/src/lib.rs b/tests/run-make/rustdoc-scrape-examples-paths/foo/src/lib.rs new file mode 100644 index 00000000000..a9bb0272c78 --- /dev/null +++ b/tests/run-make/rustdoc-scrape-examples-paths/foo/src/lib.rs @@ -0,0 +1,7 @@ +pub struct X; + +impl X { + pub fn new() -> Self { + X + } +} diff --git a/tests/run-make/rustdoc-scrape-examples-paths/rmake.rs b/tests/run-make/rustdoc-scrape-examples-paths/rmake.rs new file mode 100644 index 00000000000..03888f69eab --- /dev/null +++ b/tests/run-make/rustdoc-scrape-examples-paths/rmake.rs @@ -0,0 +1,16 @@ +//! Test to ensure that the rustdoc `scrape-examples` feature is not panicking. +//! Regression test for <https://github.com/rust-lang/rust/issues/144752>. + +use run_make_support::{cargo, path, rfs}; + +fn main() { + // We copy the crate to be documented "outside" to prevent documenting + // the whole compiler. + let tmp = std::env::temp_dir(); + let test_crate = tmp.join("foo"); + rfs::copy_dir_all(path("foo"), &test_crate); + + // The `scrape-examples` feature is also implemented in `cargo` so instead of reproducing + // what `cargo` does, better to just let `cargo` do it. + cargo().current_dir(&test_crate).args(["doc", "-p", "foo", "-Zrustdoc-scrape-examples"]).run(); +} diff --git a/tests/rustdoc-gui/notable-trait.goml b/tests/rustdoc-gui/notable-trait.goml index 7fc70e0675d..423a273fde7 100644 --- a/tests/rustdoc-gui/notable-trait.goml +++ b/tests/rustdoc-gui/notable-trait.goml @@ -8,10 +8,10 @@ define-function: ( [x, i_x], block { // Checking they have the same y position. - compare-elements-position: ( + compare-elements-position-near: ( "//*[@id='method.create_an_iterator_from_read']//a[normalize-space()='NotableStructWithLongName']", "//*[@id='method.create_an_iterator_from_read']//*[@class='tooltip']", - ["y"], + {"y": 1}, ) // Checking they don't have the same x position. compare-elements-position-false: ( diff --git a/tests/rustdoc-gui/src/test_docs/lib.rs b/tests/rustdoc-gui/src/test_docs/lib.rs index e8afe8b5687..623f5b33e9b 100644 --- a/tests/rustdoc-gui/src/test_docs/lib.rs +++ b/tests/rustdoc-gui/src/test_docs/lib.rs @@ -767,3 +767,17 @@ pub mod impls_indent { pub fn bar() {} } } + +pub mod tooltips { + pub struct X; + + impl X { + pub fn bar() -> Vec<u8> { + Vec::new() + } + } + + pub fn bar() -> Vec<u8> { + Vec::new() + } +} diff --git a/tests/rustdoc-gui/tooltips.goml b/tests/rustdoc-gui/tooltips.goml new file mode 100644 index 00000000000..6e79196be27 --- /dev/null +++ b/tests/rustdoc-gui/tooltips.goml @@ -0,0 +1,15 @@ +// This test checks that the right font is applied to the `i` tooltip element. + +define-function: ( + "check-font", + [path], + block { + go-to: "file://" + |DOC_PATH| + "/test_docs/" + |path| + assert-css: ( + "a.tooltip", {"font-family": '"Source Serif 4", NanumBarunGothic, serif'}, ALL, + ) + } +) + +call-function: ("check-font", {"path": "tooltips/fn.bar.html"}) +call-function: ("check-font", {"path": "tooltips/struct.X.html"}) diff --git a/tests/rustdoc-ui/doctest/edition-2024-error-output.stdout b/tests/rustdoc-ui/doctest/edition-2024-error-output.stdout index ab6aca239af..c8acbe4eda7 100644 --- a/tests/rustdoc-ui/doctest/edition-2024-error-output.stdout +++ b/tests/rustdoc-ui/doctest/edition-2024-error-output.stdout @@ -9,7 +9,7 @@ Test executable failed (exit status: 101). stderr: -thread 'main' panicked at $TMP:6:1: +thread 'main' ($TID) panicked at $TMP:6:1: assertion `left == right` failed left: 4 right: 5 diff --git a/tests/rustdoc-ui/doctest/failed-doctest-output-windows.stdout b/tests/rustdoc-ui/doctest/failed-doctest-output-windows.stdout index 7aa965d543b..12a59d435fe 100644 --- a/tests/rustdoc-ui/doctest/failed-doctest-output-windows.stdout +++ b/tests/rustdoc-ui/doctest/failed-doctest-output-windows.stdout @@ -27,7 +27,7 @@ stderr: stderr 1 stderr 2 -thread 'main' panicked at $DIR/failed-doctest-output-windows.rs:7:1: +thread 'main' ($TID) panicked at $DIR/failed-doctest-output-windows.rs:7:1: oh no note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace diff --git a/tests/rustdoc-ui/doctest/failed-doctest-output.stdout b/tests/rustdoc-ui/doctest/failed-doctest-output.stdout index a333f341ce5..3dbb2179b8f 100644 --- a/tests/rustdoc-ui/doctest/failed-doctest-output.stdout +++ b/tests/rustdoc-ui/doctest/failed-doctest-output.stdout @@ -27,7 +27,7 @@ stderr: stderr 1 stderr 2 -thread 'main' panicked at $DIR/failed-doctest-output.rs:7:1: +thread 'main' ($TID) panicked at $DIR/failed-doctest-output.rs:7:1: oh no note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace diff --git a/tests/rustdoc-ui/doctest/stdout-and-stderr.stdout b/tests/rustdoc-ui/doctest/stdout-and-stderr.stdout index a35a4d7c3cb..dfdcd7759d5 100644 --- a/tests/rustdoc-ui/doctest/stdout-and-stderr.stdout +++ b/tests/rustdoc-ui/doctest/stdout-and-stderr.stdout @@ -14,7 +14,7 @@ stdout: stderr: -thread 'main' panicked at $TMP:7:1: +thread 'main' ($TID) panicked at $TMP:7:1: assertion `left == right` failed left: "doc" right: "test" @@ -26,7 +26,7 @@ Test executable failed (exit status: 101). stderr: -thread 'main' panicked at $TMP:15:1: +thread 'main' ($TID) panicked at $TMP:15:1: assertion `left == right` failed left: "doc" right: "test" diff --git a/tests/rustdoc-ui/remap-path-prefix-failed-doctest-output.stdout b/tests/rustdoc-ui/remap-path-prefix-failed-doctest-output.stdout index 87d1e772b80..08f7a4ddd3a 100644 --- a/tests/rustdoc-ui/remap-path-prefix-failed-doctest-output.stdout +++ b/tests/rustdoc-ui/remap-path-prefix-failed-doctest-output.stdout @@ -9,7 +9,7 @@ Test executable failed (exit status: 101). stderr: -thread 'main' panicked at remapped_path/remap-path-prefix-failed-doctest-output.rs:3:1: +thread 'main' ($TID) panicked at remapped_path/remap-path-prefix-failed-doctest-output.rs:3:1: oh no note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace diff --git a/tests/rustdoc/intra-doc/macro-caching-144965.rs b/tests/rustdoc/intra-doc/macro-caching-144965.rs new file mode 100644 index 00000000000..e14b465aeea --- /dev/null +++ b/tests/rustdoc/intra-doc/macro-caching-144965.rs @@ -0,0 +1,35 @@ +// regression test for https://github.com/rust-lang/rust/issues/144965 + +#![crate_name = "foo"] +#![no_std] + +#[doc(hidden)] +pub struct MyStruct; + +macro_rules! my_macro { + () => { + pub fn my_function() {} + + /// Incorrect: [`my_function()`]. + #[doc(inline)] + pub use $crate::MyStruct; + + /// Correct: [`my_function`]. + pub struct AnotherStruct; + }; +} + + +pub mod one { + //@ has 'foo/one/index.html' + //@ has - '//dl[@class="item-table"]/dd[1]/a[@href="fn.my_function.html"]/code' 'my_function' + //@ has - '//dl[@class="item-table"]/dd[2]/a[@href="fn.my_function.html"]/code' 'my_function()' + my_macro!(); +} + +pub mod two { + //@ has 'foo/two/index.html' + //@ has - '//dl[@class="item-table"]/dd[1]/a[@href="fn.my_function.html"]/code' 'my_function' + //@ has - '//dl[@class="item-table"]/dd[2]/a[@href="fn.my_function.html"]/code' 'my_function()' + my_macro!(); +} diff --git a/tests/ui/issues/issue-5754.rs b/tests/ui/abi/extern-c-two-doubles-x86_64-5754.rs index 0aa09882959..7f44ef9c685 100644 --- a/tests/ui/issues/issue-5754.rs +++ b/tests/ui/abi/extern-c-two-doubles-x86_64-5754.rs @@ -1,8 +1,8 @@ +// https://github.com/rust-lang/rust/issues/5754 //@ build-pass #![allow(dead_code)] #![allow(improper_ctypes)] - struct TwoDoubles { r: f64, i: f64 diff --git a/tests/ui/issues/issue-8898.rs b/tests/ui/array-slice-vec/fixed-size-arrays-zero-size-types-8898.rs index 4447704f059..fe627b00f53 100644 --- a/tests/ui/issues/issue-8898.rs +++ b/tests/ui/array-slice-vec/fixed-size-arrays-zero-size-types-8898.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/8898 //@ run-pass fn assert_repr_eq<T: std::fmt::Debug>(obj : T, expected : String) { diff --git a/tests/ui/issues/issue-43483.rs b/tests/ui/associated-consts/trait-associated-const-usage-43483.rs index 2c62671d0c7..c24157d45e7 100644 --- a/tests/ui/issues/issue-43483.rs +++ b/tests/ui/associated-consts/trait-associated-const-usage-43483.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/43483 //@ check-pass #![allow(dead_code)] #![allow(unused_variables)] diff --git a/tests/ui/issues/issue-21946.rs b/tests/ui/associated-types/recursive-associated-type-overflow-21946.rs index d0c052cb2fd..ba84ea11300 100644 --- a/tests/ui/issues/issue-21946.rs +++ b/tests/ui/associated-types/recursive-associated-type-overflow-21946.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/21946 trait Foo { type A; } diff --git a/tests/ui/issues/issue-21946.stderr b/tests/ui/associated-types/recursive-associated-type-overflow-21946.stderr index d1b4a808d2e..37fb0ed7eb8 100644 --- a/tests/ui/issues/issue-21946.stderr +++ b/tests/ui/associated-types/recursive-associated-type-overflow-21946.stderr @@ -1,5 +1,5 @@ error[E0275]: overflow evaluating the requirement `<FooStruct as Foo>::A == _` - --> $DIR/issue-21946.rs:8:14 + --> $DIR/recursive-associated-type-overflow-21946.rs:9:14 | LL | type A = <FooStruct as Foo>::A; | ^^^^^^^^^^^^^^^^^^^^^ diff --git a/tests/ui/async-await/issues/issue-65419/issue-65419-async-fn-resume-after-completion.rs b/tests/ui/async-await/issues/issue-65419/issue-65419-async-fn-resume-after-completion.rs index a8b05a4befa..ed99614914a 100644 --- a/tests/ui/async-await/issues/issue-65419/issue-65419-async-fn-resume-after-completion.rs +++ b/tests/ui/async-await/issues/issue-65419/issue-65419-async-fn-resume-after-completion.rs @@ -2,7 +2,7 @@ // be talking about `async fn`s instead. //@ run-fail -//@ error-pattern: thread 'main' panicked +//@ regex-error-pattern: thread 'main'.*panicked //@ error-pattern: `async fn` resumed after completion //@ edition:2018 diff --git a/tests/ui/async-await/issues/issue-65419/issue-65419-async-fn-resume-after-panic.rs b/tests/ui/async-await/issues/issue-65419/issue-65419-async-fn-resume-after-panic.rs index 94366e66263..881fafb010f 100644 --- a/tests/ui/async-await/issues/issue-65419/issue-65419-async-fn-resume-after-panic.rs +++ b/tests/ui/async-await/issues/issue-65419/issue-65419-async-fn-resume-after-panic.rs @@ -3,7 +3,7 @@ //@ run-fail //@ needs-unwind -//@ error-pattern: thread 'main' panicked +//@ regex-error-pattern: thread 'main'.*panicked //@ error-pattern: `async fn` resumed after panicking //@ edition:2018 diff --git a/tests/ui/attributes/check-builtin-attr-ice.rs b/tests/ui/attributes/check-builtin-attr-ice.rs index 7745849acd0..811210e2cca 100644 --- a/tests/ui/attributes/check-builtin-attr-ice.rs +++ b/tests/ui/attributes/check-builtin-attr-ice.rs @@ -44,12 +44,10 @@ struct Foo { #[should_panic::skip] //~^ ERROR failed to resolve - //~| ERROR `#[should_panic::skip]` only has an effect on functions pub field: u8, #[should_panic::a::b::c] //~^ ERROR failed to resolve - //~| ERROR `#[should_panic::a::b::c]` only has an effect on functions pub field2: u8, } diff --git a/tests/ui/attributes/check-builtin-attr-ice.stderr b/tests/ui/attributes/check-builtin-attr-ice.stderr index 4f26f71efb7..07bbe01898a 100644 --- a/tests/ui/attributes/check-builtin-attr-ice.stderr +++ b/tests/ui/attributes/check-builtin-attr-ice.stderr @@ -5,35 +5,17 @@ LL | #[should_panic::skip] | ^^^^^^^^^^^^ use of unresolved module or unlinked crate `should_panic` error[E0433]: failed to resolve: use of unresolved module or unlinked crate `should_panic` - --> $DIR/check-builtin-attr-ice.rs:50:7 + --> $DIR/check-builtin-attr-ice.rs:49:7 | LL | #[should_panic::a::b::c] | ^^^^^^^^^^^^ use of unresolved module or unlinked crate `should_panic` error[E0433]: failed to resolve: use of unresolved module or unlinked crate `deny` - --> $DIR/check-builtin-attr-ice.rs:59:7 + --> $DIR/check-builtin-attr-ice.rs:57:7 | LL | #[deny::skip] | ^^^^ use of unresolved module or unlinked crate `deny` -error: `#[should_panic::skip]` only has an effect on functions - --> $DIR/check-builtin-attr-ice.rs:45:5 - | -LL | #[should_panic::skip] - | ^^^^^^^^^^^^^^^^^^^^^ - | -note: the lint level is defined here - --> $DIR/check-builtin-attr-ice.rs:42:9 - | -LL | #![deny(unused_attributes)] - | ^^^^^^^^^^^^^^^^^ - -error: `#[should_panic::a::b::c]` only has an effect on functions - --> $DIR/check-builtin-attr-ice.rs:50:5 - | -LL | #[should_panic::a::b::c] - | ^^^^^^^^^^^^^^^^^^^^^^^^ - -error: aborting due to 5 previous errors +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0433`. diff --git a/tests/ui/attributes/key-value-expansion-scope.rs b/tests/ui/attributes/key-value-expansion-scope.rs index 49a59502377..6688d698f9e 100644 --- a/tests/ui/attributes/key-value-expansion-scope.rs +++ b/tests/ui/attributes/key-value-expansion-scope.rs @@ -1,7 +1,7 @@ -#![doc = in_root!()] //~ WARN cannot find macro `in_root` +#![doc = in_root!()] //~ ERROR cannot find macro `in_root` //~| WARN this was previously accepted by the compiler #![doc = in_mod!()] //~ ERROR cannot find macro `in_mod` in this scope -#![doc = in_mod_escape!()] //~ WARN cannot find macro `in_mod_escape` +#![doc = in_mod_escape!()] //~ ERROR cannot find macro `in_mod_escape` //~| WARN this was previously accepted by the compiler #![doc = in_block!()] //~ ERROR cannot find macro `in_block` in this scope @@ -18,10 +18,10 @@ fn before() { macro_rules! in_root { () => { "" } } -#[doc = in_mod!()] //~ WARN cannot find macro `in_mod` +#[doc = in_mod!()] //~ ERROR cannot find macro `in_mod` //~| WARN this was previously accepted by the compiler mod macros_stay { - #![doc = in_mod!()] //~ WARN cannot find macro `in_mod` + #![doc = in_mod!()] //~ ERROR cannot find macro `in_mod` //~| WARN this was previously accepted by the compiler macro_rules! in_mod { () => { "" } } @@ -33,10 +33,10 @@ mod macros_stay { } #[macro_use] -#[doc = in_mod_escape!()] //~ WARN cannot find macro `in_mod_escape` +#[doc = in_mod_escape!()] //~ ERROR cannot find macro `in_mod_escape` //~| WARN this was previously accepted by the compiler mod macros_escape { - #![doc = in_mod_escape!()] //~ WARN cannot find macro `in_mod_escape` + #![doc = in_mod_escape!()] //~ ERROR cannot find macro `in_mod_escape` //~| WARN this was previously accepted by the compiler macro_rules! in_mod_escape { () => { "" } } diff --git a/tests/ui/attributes/key-value-expansion-scope.stderr b/tests/ui/attributes/key-value-expansion-scope.stderr index 91a602e57d9..29b48ca4ce6 100644 --- a/tests/ui/attributes/key-value-expansion-scope.stderr +++ b/tests/ui/attributes/key-value-expansion-scope.stderr @@ -126,7 +126,7 @@ LL | #![doc = in_block!()] | = help: have you added the `#[macro_use]` on the module/import? -warning: cannot find macro `in_root` in the current scope when looking from the crate root +error: cannot find macro `in_root` in the current scope when looking from the crate root --> $DIR/key-value-expansion-scope.rs:1:10 | LL | #![doc = in_root!()] @@ -135,9 +135,9 @@ LL | #![doc = in_root!()] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #124535 <https://github.com/rust-lang/rust/issues/124535> = help: import `macro_rules` with `use` to make it callable above its definition - = note: `#[warn(out_of_scope_macro_calls)]` on by default + = note: `#[deny(out_of_scope_macro_calls)]` on by default -warning: cannot find macro `in_mod_escape` in the current scope when looking from the crate root +error: cannot find macro `in_mod_escape` in the current scope when looking from the crate root --> $DIR/key-value-expansion-scope.rs:4:10 | LL | #![doc = in_mod_escape!()] @@ -147,7 +147,7 @@ LL | #![doc = in_mod_escape!()] = note: for more information, see issue #124535 <https://github.com/rust-lang/rust/issues/124535> = help: import `macro_rules` with `use` to make it callable above its definition -warning: cannot find macro `in_mod` in the current scope when looking from module `macros_stay` +error: cannot find macro `in_mod` in the current scope when looking from module `macros_stay` --> $DIR/key-value-expansion-scope.rs:21:9 | LL | #[doc = in_mod!()] @@ -157,7 +157,7 @@ LL | #[doc = in_mod!()] = note: for more information, see issue #124535 <https://github.com/rust-lang/rust/issues/124535> = help: import `macro_rules` with `use` to make it callable above its definition -warning: cannot find macro `in_mod` in the current scope when looking from module `macros_stay` +error: cannot find macro `in_mod` in the current scope when looking from module `macros_stay` --> $DIR/key-value-expansion-scope.rs:24:14 | LL | #![doc = in_mod!()] @@ -167,7 +167,7 @@ LL | #![doc = in_mod!()] = note: for more information, see issue #124535 <https://github.com/rust-lang/rust/issues/124535> = help: import `macro_rules` with `use` to make it callable above its definition -warning: cannot find macro `in_mod_escape` in the current scope when looking from module `macros_escape` +error: cannot find macro `in_mod_escape` in the current scope when looking from module `macros_escape` --> $DIR/key-value-expansion-scope.rs:36:9 | LL | #[doc = in_mod_escape!()] @@ -177,7 +177,7 @@ LL | #[doc = in_mod_escape!()] = note: for more information, see issue #124535 <https://github.com/rust-lang/rust/issues/124535> = help: import `macro_rules` with `use` to make it callable above its definition -warning: cannot find macro `in_mod_escape` in the current scope when looking from module `macros_escape` +error: cannot find macro `in_mod_escape` in the current scope when looking from module `macros_escape` --> $DIR/key-value-expansion-scope.rs:39:14 | LL | #![doc = in_mod_escape!()] @@ -187,5 +187,77 @@ LL | #![doc = in_mod_escape!()] = note: for more information, see issue #124535 <https://github.com/rust-lang/rust/issues/124535> = help: import `macro_rules` with `use` to make it callable above its definition -error: aborting due to 16 previous errors; 6 warnings emitted +error: aborting due to 22 previous errors + +Future incompatibility report: Future breakage diagnostic: +error: cannot find macro `in_root` in the current scope when looking from the crate root + --> $DIR/key-value-expansion-scope.rs:1:10 + | +LL | #![doc = in_root!()] + | ^^^^^^^ not found from the crate root + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #124535 <https://github.com/rust-lang/rust/issues/124535> + = help: import `macro_rules` with `use` to make it callable above its definition + = note: `#[deny(out_of_scope_macro_calls)]` on by default + +Future breakage diagnostic: +error: cannot find macro `in_mod_escape` in the current scope when looking from the crate root + --> $DIR/key-value-expansion-scope.rs:4:10 + | +LL | #![doc = in_mod_escape!()] + | ^^^^^^^^^^^^^ not found from the crate root + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #124535 <https://github.com/rust-lang/rust/issues/124535> + = help: import `macro_rules` with `use` to make it callable above its definition + = note: `#[deny(out_of_scope_macro_calls)]` on by default + +Future breakage diagnostic: +error: cannot find macro `in_mod` in the current scope when looking from module `macros_stay` + --> $DIR/key-value-expansion-scope.rs:21:9 + | +LL | #[doc = in_mod!()] + | ^^^^^^ not found from module `macros_stay` + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #124535 <https://github.com/rust-lang/rust/issues/124535> + = help: import `macro_rules` with `use` to make it callable above its definition + = note: `#[deny(out_of_scope_macro_calls)]` on by default + +Future breakage diagnostic: +error: cannot find macro `in_mod` in the current scope when looking from module `macros_stay` + --> $DIR/key-value-expansion-scope.rs:24:14 + | +LL | #![doc = in_mod!()] + | ^^^^^^ not found from module `macros_stay` + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #124535 <https://github.com/rust-lang/rust/issues/124535> + = help: import `macro_rules` with `use` to make it callable above its definition + = note: `#[deny(out_of_scope_macro_calls)]` on by default + +Future breakage diagnostic: +error: cannot find macro `in_mod_escape` in the current scope when looking from module `macros_escape` + --> $DIR/key-value-expansion-scope.rs:36:9 + | +LL | #[doc = in_mod_escape!()] + | ^^^^^^^^^^^^^ not found from module `macros_escape` + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #124535 <https://github.com/rust-lang/rust/issues/124535> + = help: import `macro_rules` with `use` to make it callable above its definition + = note: `#[deny(out_of_scope_macro_calls)]` on by default + +Future breakage diagnostic: +error: cannot find macro `in_mod_escape` in the current scope when looking from module `macros_escape` + --> $DIR/key-value-expansion-scope.rs:39:14 + | +LL | #![doc = in_mod_escape!()] + | ^^^^^^^^^^^^^ not found from module `macros_escape` + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #124535 <https://github.com/rust-lang/rust/issues/124535> + = help: import `macro_rules` with `use` to make it callable above its definition + = note: `#[deny(out_of_scope_macro_calls)]` on by default diff --git a/tests/ui/attributes/malformed-attrs.stderr b/tests/ui/attributes/malformed-attrs.stderr index 1b51075b4e8..e8ae4715398 100644 --- a/tests/ui/attributes/malformed-attrs.stderr +++ b/tests/ui/attributes/malformed-attrs.stderr @@ -55,12 +55,6 @@ error: malformed `patchable_function_entry` attribute input LL | #[patchable_function_entry] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#[patchable_function_entry(prefix_nops = m, entry_nops = n)]` -error: malformed `coroutine` attribute input - --> $DIR/malformed-attrs.rs:108:5 - | -LL | #[coroutine = 63] || {} - | ^^^^^^^^^^^^^^^^^ help: must be of the form: `#[coroutine]` - error: malformed `must_not_suspend` attribute input --> $DIR/malformed-attrs.rs:129:1 | @@ -436,6 +430,15 @@ LL | #[proc_macro = 18] | | didn't expect any arguments here | help: must be of the form: `#[proc_macro]` +error[E0565]: malformed `coroutine` attribute input + --> $DIR/malformed-attrs.rs:108:5 + | +LL | #[coroutine = 63] || {} + | ^^^^^^^^^^^^----^ + | | | + | | didn't expect any arguments here + | help: must be of the form: `#[coroutine]` + error[E0565]: malformed `proc_macro_attribute` attribute input --> $DIR/malformed-attrs.rs:113:1 | diff --git a/tests/ui/auto-traits/assoc-ty.current.stderr b/tests/ui/auto-traits/assoc-ty.current.stderr index 77a1c8fb654..d793ae66526 100644 --- a/tests/ui/auto-traits/assoc-ty.current.stderr +++ b/tests/ui/auto-traits/assoc-ty.current.stderr @@ -5,7 +5,7 @@ LL | auto trait Trait { | ----- auto traits cannot have associated items LL | LL | type Output; - | -----^^^^^^- help: remove these associated items + | ^^^^^^ error[E0658]: auto traits are experimental and possibly buggy --> $DIR/assoc-ty.rs:8:1 diff --git a/tests/ui/auto-traits/assoc-ty.next.stderr b/tests/ui/auto-traits/assoc-ty.next.stderr index 4ce00d17475..a41f7d99278 100644 --- a/tests/ui/auto-traits/assoc-ty.next.stderr +++ b/tests/ui/auto-traits/assoc-ty.next.stderr @@ -5,7 +5,7 @@ LL | auto trait Trait { | ----- auto traits cannot have associated items LL | LL | type Output; - | -----^^^^^^- help: remove these associated items + | ^^^^^^ error[E0658]: auto traits are experimental and possibly buggy --> $DIR/assoc-ty.rs:8:1 diff --git a/tests/ui/auto-traits/auto-trait-validation.fixed b/tests/ui/auto-traits/auto-trait-validation.fixed index 8a445448c85..b24dc1cb2c3 100644 --- a/tests/ui/auto-traits/auto-trait-validation.fixed +++ b/tests/ui/auto-traits/auto-trait-validation.fixed @@ -11,4 +11,15 @@ auto trait LifetimeBound {} //~^ ERROR auto traits cannot have super traits or lifetime bounds [E0568] auto trait MyTrait { } //~^ ERROR auto traits cannot have associated items [E0380] +auto trait AssocTy { } +//~^ ERROR auto traits cannot have associated items [E0380] +auto trait All { + //~^ ERROR auto traits cannot have generic parameters [E0567] + +} +// We can't test both generic params and super-traits because the suggestion span overlaps. +auto trait All2 { + //~^ ERROR auto traits cannot have super traits or lifetime bounds [E0568] + +} fn main() {} diff --git a/tests/ui/auto-traits/auto-trait-validation.rs b/tests/ui/auto-traits/auto-trait-validation.rs index b5e7505d86a..9665e5bc393 100644 --- a/tests/ui/auto-traits/auto-trait-validation.rs +++ b/tests/ui/auto-traits/auto-trait-validation.rs @@ -11,4 +11,19 @@ auto trait LifetimeBound : 'static {} //~^ ERROR auto traits cannot have super traits or lifetime bounds [E0568] auto trait MyTrait { fn foo() {} } //~^ ERROR auto traits cannot have associated items [E0380] +auto trait AssocTy { type Bar; } +//~^ ERROR auto traits cannot have associated items [E0380] +auto trait All<'a, T> { + //~^ ERROR auto traits cannot have generic parameters [E0567] + type Bar; + //~^ ERROR auto traits cannot have associated items [E0380] + fn foo() {} +} +// We can't test both generic params and super-traits because the suggestion span overlaps. +auto trait All2: Copy + 'static { + //~^ ERROR auto traits cannot have super traits or lifetime bounds [E0568] + type Bar; + //~^ ERROR auto traits cannot have associated items [E0380] + fn foo() {} +} fn main() {} diff --git a/tests/ui/auto-traits/auto-trait-validation.stderr b/tests/ui/auto-traits/auto-trait-validation.stderr index a6e5ac54869..60757db6d1e 100644 --- a/tests/ui/auto-traits/auto-trait-validation.stderr +++ b/tests/ui/auto-traits/auto-trait-validation.stderr @@ -2,23 +2,23 @@ error[E0567]: auto traits cannot have generic parameters --> $DIR/auto-trait-validation.rs:6:19 | LL | auto trait Generic<T> {} - | -------^^^ help: remove the parameters + | -------^^^ | | | auto trait cannot have generic parameters error[E0568]: auto traits cannot have super traits or lifetime bounds - --> $DIR/auto-trait-validation.rs:8:17 + --> $DIR/auto-trait-validation.rs:8:20 | LL | auto trait Bound : Copy {} - | -----^^^^^^^ help: remove the super traits or lifetime bounds + | ----- ^^^^ | | | auto traits cannot have super traits or lifetime bounds error[E0568]: auto traits cannot have super traits or lifetime bounds - --> $DIR/auto-trait-validation.rs:10:25 + --> $DIR/auto-trait-validation.rs:10:28 | LL | auto trait LifetimeBound : 'static {} - | -------------^^^^^^^^^^ help: remove the super traits or lifetime bounds + | ------------- ^^^^^^^ | | | auto traits cannot have super traits or lifetime bounds @@ -26,12 +26,59 @@ error[E0380]: auto traits cannot have associated items --> $DIR/auto-trait-validation.rs:12:25 | LL | auto trait MyTrait { fn foo() {} } - | ------- ---^^^----- - | | | - | | help: remove these associated items + | ------- ^^^ + | | + | auto traits cannot have associated items + +error[E0380]: auto traits cannot have associated items + --> $DIR/auto-trait-validation.rs:14:27 + | +LL | auto trait AssocTy { type Bar; } + | ------- ^^^ + | | | auto traits cannot have associated items -error: aborting due to 4 previous errors +error[E0567]: auto traits cannot have generic parameters + --> $DIR/auto-trait-validation.rs:16:15 + | +LL | auto trait All<'a, T> { + | ---^^^^^^^ + | | + | auto trait cannot have generic parameters + +error[E0380]: auto traits cannot have associated items + --> $DIR/auto-trait-validation.rs:18:10 + | +LL | auto trait All<'a, T> { + | --- auto traits cannot have associated items +LL | +LL | type Bar; + | ^^^ +LL | +LL | fn foo() {} + | ^^^ + +error[E0568]: auto traits cannot have super traits or lifetime bounds + --> $DIR/auto-trait-validation.rs:23:18 + | +LL | auto trait All2: Copy + 'static { + | ---- ^^^^ ^^^^^^^ + | | + | auto traits cannot have super traits or lifetime bounds + +error[E0380]: auto traits cannot have associated items + --> $DIR/auto-trait-validation.rs:25:10 + | +LL | auto trait All2: Copy + 'static { + | ---- auto traits cannot have associated items +LL | +LL | type Bar; + | ^^^ +LL | +LL | fn foo() {} + | ^^^ + +error: aborting due to 9 previous errors Some errors have detailed explanations: E0380, E0567, E0568. For more information about an error, try `rustc --explain E0380`. diff --git a/tests/ui/auto-traits/bad-generics-on-dyn.stderr b/tests/ui/auto-traits/bad-generics-on-dyn.stderr index 06c7cbcd76d..a6977c2037e 100644 --- a/tests/ui/auto-traits/bad-generics-on-dyn.stderr +++ b/tests/ui/auto-traits/bad-generics-on-dyn.stderr @@ -2,7 +2,7 @@ error[E0567]: auto traits cannot have generic parameters --> $DIR/bad-generics-on-dyn.rs:3:18 | LL | auto trait Trait1<'a> {} - | ------^^^^ help: remove the parameters + | ------^^^^ | | | auto trait cannot have generic parameters diff --git a/tests/ui/auto-traits/has-arguments.stderr b/tests/ui/auto-traits/has-arguments.stderr index b8a680e6a5c..5228b6d2d1a 100644 --- a/tests/ui/auto-traits/has-arguments.stderr +++ b/tests/ui/auto-traits/has-arguments.stderr @@ -2,7 +2,7 @@ error[E0567]: auto traits cannot have generic parameters --> $DIR/has-arguments.rs:3:18 | LL | auto trait Trait1<'outer> {} - | ------^^^^^^^^ help: remove the parameters + | ------^^^^^^^^ | | | auto trait cannot have generic parameters diff --git a/tests/ui/auto-traits/issue-117789.stderr b/tests/ui/auto-traits/issue-117789.stderr index 99efb213417..1e047c7d2e0 100644 --- a/tests/ui/auto-traits/issue-117789.stderr +++ b/tests/ui/auto-traits/issue-117789.stderr @@ -2,7 +2,7 @@ error[E0567]: auto traits cannot have generic parameters --> $DIR/issue-117789.rs:1:17 | LL | auto trait Trait<P> {} - | -----^^^ help: remove the parameters + | -----^^^ | | | auto trait cannot have generic parameters diff --git a/tests/ui/auto-traits/issue-23080-2.current.stderr b/tests/ui/auto-traits/issue-23080-2.current.stderr index 62c7b37041f..3af97f57d48 100644 --- a/tests/ui/auto-traits/issue-23080-2.current.stderr +++ b/tests/ui/auto-traits/issue-23080-2.current.stderr @@ -4,7 +4,7 @@ error[E0380]: auto traits cannot have associated items LL | unsafe auto trait Trait { | ----- auto traits cannot have associated items LL | type Output; - | -----^^^^^^- help: remove these associated items + | ^^^^^^ error: aborting due to 1 previous error diff --git a/tests/ui/auto-traits/issue-23080-2.next.stderr b/tests/ui/auto-traits/issue-23080-2.next.stderr index 62c7b37041f..3af97f57d48 100644 --- a/tests/ui/auto-traits/issue-23080-2.next.stderr +++ b/tests/ui/auto-traits/issue-23080-2.next.stderr @@ -4,7 +4,7 @@ error[E0380]: auto traits cannot have associated items LL | unsafe auto trait Trait { | ----- auto traits cannot have associated items LL | type Output; - | -----^^^^^^- help: remove these associated items + | ^^^^^^ error: aborting due to 1 previous error diff --git a/tests/ui/auto-traits/issue-23080.stderr b/tests/ui/auto-traits/issue-23080.stderr index 5cea45060c8..02a75519102 100644 --- a/tests/ui/auto-traits/issue-23080.stderr +++ b/tests/ui/auto-traits/issue-23080.stderr @@ -1,13 +1,10 @@ error[E0380]: auto traits cannot have associated items --> $DIR/issue-23080.rs:5:8 | -LL | unsafe auto trait Trait { - | ----- auto traits cannot have associated items -LL | fn method(&self) { - | _____- ^^^^^^ -LL | | println!("Hello"); -LL | | } - | |_____- help: remove these associated items +LL | unsafe auto trait Trait { + | ----- auto traits cannot have associated items +LL | fn method(&self) { + | ^^^^^^ error: aborting due to 1 previous error diff --git a/tests/ui/auto-traits/issue-84075.stderr b/tests/ui/auto-traits/issue-84075.stderr index 943d521ce9e..4edf2ecdf06 100644 --- a/tests/ui/auto-traits/issue-84075.stderr +++ b/tests/ui/auto-traits/issue-84075.stderr @@ -2,7 +2,7 @@ error[E0568]: auto traits cannot have super traits or lifetime bounds --> $DIR/issue-84075.rs:5:18 | LL | auto trait Magic where Self: Copy {} - | ----- ^^^^^^^^^^^^^^^^ help: remove the super traits or lifetime bounds + | ----- ^^^^^^^^^^^^^^^^ | | | auto traits cannot have super traits or lifetime bounds diff --git a/tests/ui/auto-traits/typeck-auto-trait-no-supertraits-2.stderr b/tests/ui/auto-traits/typeck-auto-trait-no-supertraits-2.stderr index 27e38ce06a4..bc17fefc944 100644 --- a/tests/ui/auto-traits/typeck-auto-trait-no-supertraits-2.stderr +++ b/tests/ui/auto-traits/typeck-auto-trait-no-supertraits-2.stderr @@ -1,8 +1,8 @@ error[E0568]: auto traits cannot have super traits or lifetime bounds - --> $DIR/typeck-auto-trait-no-supertraits-2.rs:4:17 + --> $DIR/typeck-auto-trait-no-supertraits-2.rs:4:20 | LL | auto trait Magic : Sized where Option<Self> : Magic {} - | -----^^^^^^^^ help: remove the super traits or lifetime bounds + | ----- ^^^^^ | | | auto traits cannot have super traits or lifetime bounds @@ -10,7 +10,7 @@ error[E0568]: auto traits cannot have super traits or lifetime bounds --> $DIR/typeck-auto-trait-no-supertraits-2.rs:4:26 | LL | auto trait Magic : Sized where Option<Self> : Magic {} - | ----- ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the super traits or lifetime bounds + | ----- ^^^^^^^^^^^^^^^^^^^^^^^^^^ | | | auto traits cannot have super traits or lifetime bounds diff --git a/tests/ui/auto-traits/typeck-auto-trait-no-supertraits.stderr b/tests/ui/auto-traits/typeck-auto-trait-no-supertraits.stderr index 23aae13639c..bc9791a5799 100644 --- a/tests/ui/auto-traits/typeck-auto-trait-no-supertraits.stderr +++ b/tests/ui/auto-traits/typeck-auto-trait-no-supertraits.stderr @@ -1,8 +1,8 @@ error[E0568]: auto traits cannot have super traits or lifetime bounds - --> $DIR/typeck-auto-trait-no-supertraits.rs:28:17 + --> $DIR/typeck-auto-trait-no-supertraits.rs:28:19 | LL | auto trait Magic: Copy {} - | -----^^^^^^ help: remove the super traits or lifetime bounds + | ----- ^^^^ | | | auto traits cannot have super traits or lifetime bounds diff --git a/tests/ui/backtrace/synchronized-panic-handler.run.stderr b/tests/ui/backtrace/synchronized-panic-handler.run.stderr index 7a60ef2da60..c604d49c193 100644 --- a/tests/ui/backtrace/synchronized-panic-handler.run.stderr +++ b/tests/ui/backtrace/synchronized-panic-handler.run.stderr @@ -1,7 +1,7 @@ -thread '<unnamed>' panicked at $DIR/synchronized-panic-handler.rs:11:5: +thread '<unnamed>' ($TID) panicked at $DIR/synchronized-panic-handler.rs:11:5: oops oh no woe is me note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace -thread '<unnamed>' panicked at $DIR/synchronized-panic-handler.rs:11:5: +thread '<unnamed>' ($TID) panicked at $DIR/synchronized-panic-handler.rs:11:5: oops oh no woe is me diff --git a/tests/ui/issues/issue-7061.rs b/tests/ui/borrowck/mismatched-pointer-type-in-self-7061.rs index c5d5a9d9498..521a5ee9c37 100644 --- a/tests/ui/issues/issue-7061.rs +++ b/tests/ui/borrowck/mismatched-pointer-type-in-self-7061.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/7061 //@ dont-require-annotations: NOTE struct BarStruct; diff --git a/tests/ui/issues/issue-7061.stderr b/tests/ui/borrowck/mismatched-pointer-type-in-self-7061.stderr index b4c0ebfbdd5..39b9072dc30 100644 --- a/tests/ui/issues/issue-7061.stderr +++ b/tests/ui/borrowck/mismatched-pointer-type-in-self-7061.stderr @@ -1,5 +1,5 @@ error[E0308]: mismatched types - --> $DIR/issue-7061.rs:6:46 + --> $DIR/mismatched-pointer-type-in-self-7061.rs:7:46 | LL | fn foo(&'a mut self) -> Box<BarStruct> { self } | -------------- ^^^^ expected `Box<BarStruct>`, found `&mut BarStruct` diff --git a/tests/ui/issues/issue-13665.rs b/tests/ui/borrowck/region-checker-map-closure-13665.rs index e1d8be16f45..72efa42fe38 100644 --- a/tests/ui/issues/issue-13665.rs +++ b/tests/ui/borrowck/region-checker-map-closure-13665.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/13665 //@ run-pass fn foo<'r>() { diff --git a/tests/ui/issues/issue-14845.rs b/tests/ui/cast/array-field-ptr-cast-14845.rs index d9b20e1f688..9d2da0c8932 100644 --- a/tests/ui/issues/issue-14845.rs +++ b/tests/ui/cast/array-field-ptr-cast-14845.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/14845 + struct X { a: [u8; 1] } diff --git a/tests/ui/issues/issue-14845.stderr b/tests/ui/cast/array-field-ptr-cast-14845.stderr index 2fa9fbaa887..4edde443fc3 100644 --- a/tests/ui/issues/issue-14845.stderr +++ b/tests/ui/cast/array-field-ptr-cast-14845.stderr @@ -1,11 +1,11 @@ error[E0606]: casting `&[u8; 1]` as `*mut u8` is invalid - --> $DIR/issue-14845.rs:7:14 + --> $DIR/array-field-ptr-cast-14845.rs:9:14 | LL | let _f = &x.a as *mut u8; | ^^^^^^^^^^^^^^^ error[E0606]: casting `&[u8; 1]` as `*mut u8` is invalid - --> $DIR/issue-14845.rs:10:14 + --> $DIR/array-field-ptr-cast-14845.rs:12:14 | LL | let _v = &local as *mut u8; | ^^^^^^^^^^^^^^^^^ diff --git a/tests/ui/issues/issue-14366.rs b/tests/ui/cast/trait-object-size-error-14366.rs index bb338860d8b..2b66df04600 100644 --- a/tests/ui/issues/issue-14366.rs +++ b/tests/ui/cast/trait-object-size-error-14366.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/14366 + fn main() { let _x = "test" as &dyn (::std::any::Any); //~^ ERROR the size for values of type diff --git a/tests/ui/issues/issue-14366.stderr b/tests/ui/cast/trait-object-size-error-14366.stderr index e7bf555c1b7..2451584e951 100644 --- a/tests/ui/issues/issue-14366.stderr +++ b/tests/ui/cast/trait-object-size-error-14366.stderr @@ -1,5 +1,5 @@ error[E0277]: the size for values of type `str` cannot be known at compilation time - --> $DIR/issue-14366.rs:2:14 + --> $DIR/trait-object-size-error-14366.rs:4:14 | LL | let _x = "test" as &dyn (::std::any::Any); | ^^^^^^ doesn't have a size known at compile-time diff --git a/tests/ui/check-cfg/target_feature.stderr b/tests/ui/check-cfg/target_feature.stderr index f422919983b..44fc23b6390 100644 --- a/tests/ui/check-cfg/target_feature.stderr +++ b/tests/ui/check-cfg/target_feature.stderr @@ -198,6 +198,35 @@ LL | cfg!(target_feature = "_UNEXPECTED_VALUE"); `power9-altivec` `power9-vector` `prfchw` +`ptx32` +`ptx40` +`ptx41` +`ptx42` +`ptx43` +`ptx50` +`ptx60` +`ptx61` +`ptx62` +`ptx63` +`ptx64` +`ptx65` +`ptx70` +`ptx71` +`ptx72` +`ptx73` +`ptx74` +`ptx75` +`ptx76` +`ptx77` +`ptx78` +`ptx80` +`ptx81` +`ptx82` +`ptx83` +`ptx84` +`ptx85` +`ptx86` +`ptx87` `quadword-atomics` `rand` `ras` @@ -222,6 +251,33 @@ LL | cfg!(target_feature = "_UNEXPECTED_VALUE"); `simd128` `sm3` `sm4` +`sm_100` +`sm_100a` +`sm_101` +`sm_101a` +`sm_120` +`sm_120a` +`sm_20` +`sm_21` +`sm_30` +`sm_32` +`sm_35` +`sm_37` +`sm_50` +`sm_52` +`sm_53` +`sm_60` +`sm_61` +`sm_62` +`sm_70` +`sm_72` +`sm_75` +`sm_80` +`sm_86` +`sm_87` +`sm_89` +`sm_90` +`sm_90a` `sme` `sme-b16b16` `sme-f16f16` diff --git a/tests/ui/issues/issue-21600.rs b/tests/ui/closures/aliasability-violation-with-closure-21600.rs index 2e22e5e6fa2..d4c658319ab 100644 --- a/tests/ui/issues/issue-21600.rs +++ b/tests/ui/closures/aliasability-violation-with-closure-21600.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/21600 fn call_it<F>(f: F) where F: Fn() { f(); } struct A; diff --git a/tests/ui/issues/issue-21600.stderr b/tests/ui/closures/aliasability-violation-with-closure-21600.stderr index f7905934424..2d2397a2141 100644 --- a/tests/ui/issues/issue-21600.stderr +++ b/tests/ui/closures/aliasability-violation-with-closure-21600.stderr @@ -1,5 +1,5 @@ error[E0596]: cannot borrow `x` as mutable, as it is a captured variable in a `Fn` closure - --> $DIR/issue-21600.rs:14:20 + --> $DIR/aliasability-violation-with-closure-21600.rs:15:20 | LL | fn call_it<F>(f: F) where F: Fn() { f(); } | - change this to accept `FnMut` instead of `Fn` @@ -11,7 +11,7 @@ LL | call_it(|| x.gen_mut()); | expects `Fn` instead of `FnMut` error[E0596]: cannot borrow `x` as mutable, as it is a captured variable in a `Fn` closure - --> $DIR/issue-21600.rs:14:17 + --> $DIR/aliasability-violation-with-closure-21600.rs:15:17 | LL | fn call_it<F>(f: F) where F: Fn() { f(); } | - change this to accept `FnMut` instead of `Fn` diff --git a/tests/ui/issues/issue-13808.rs b/tests/ui/closures/boxed-closure-lifetime-13808.rs index d2961b35f2e..e8324796b5f 100644 --- a/tests/ui/issues/issue-13808.rs +++ b/tests/ui/closures/boxed-closure-lifetime-13808.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/13808 + //@ run-pass #![allow(dead_code)] #![allow(unused_variables)] diff --git a/tests/ui/issues/issue-14399.rs b/tests/ui/coercion/method-return-trait-object-14399.rs index a539e270fb0..49eee152d88 100644 --- a/tests/ui/issues/issue-14399.rs +++ b/tests/ui/coercion/method-return-trait-object-14399.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/14399 + //@ run-pass // #14399 // We'd previously ICE if we had a method call whose return diff --git a/tests/ui/issues/issue-14399.stderr b/tests/ui/coercion/method-return-trait-object-14399.stderr index 5821c3cc389..1aa87f53ff8 100644 --- a/tests/ui/issues/issue-14399.stderr +++ b/tests/ui/coercion/method-return-trait-object-14399.stderr @@ -1,5 +1,5 @@ warning: method `foo` is never used - --> $DIR/issue-14399.rs:11:14 + --> $DIR/method-return-trait-object-14399.rs:13:14 | LL | trait A { fn foo(&self) {} } | - ^^^ diff --git a/tests/ui/const-generics/defaults/default-on-impl.rs b/tests/ui/const-generics/defaults/default-on-impl.rs index 9ce46aa09de..85d0c583965 100644 --- a/tests/ui/const-generics/defaults/default-on-impl.rs +++ b/tests/ui/const-generics/defaults/default-on-impl.rs @@ -1,6 +1,6 @@ struct Foo<const N: usize>; impl<const N: usize = 1> Foo<N> {} -//~^ ERROR defaults for const parameters are only allowed +//~^ ERROR defaults for generic parameters are not allowed here fn main() {} diff --git a/tests/ui/const-generics/defaults/default-on-impl.stderr b/tests/ui/const-generics/defaults/default-on-impl.stderr index 691e0354edd..eb5d57e14bf 100644 --- a/tests/ui/const-generics/defaults/default-on-impl.stderr +++ b/tests/ui/const-generics/defaults/default-on-impl.stderr @@ -1,4 +1,4 @@ -error: defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/default-on-impl.rs:3:6 | LL | impl<const N: usize = 1> Foo<N> {} diff --git a/tests/ui/const-generics/generic_const_exprs/issue-105257.rs b/tests/ui/const-generics/generic_const_exprs/issue-105257.rs index a107556fd79..85a28f2b330 100644 --- a/tests/ui/const-generics/generic_const_exprs/issue-105257.rs +++ b/tests/ui/const-generics/generic_const_exprs/issue-105257.rs @@ -1,10 +1,10 @@ #![feature(generic_const_exprs)] -#![allow(incomplete_features)] +#![expect(incomplete_features)] trait Trait<T> { - fn fnc<const N: usize = "">(&self) {} //~ERROR defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions + fn fnc<const N: usize = "">(&self) {} //~ERROR defaults for generic parameters are not allowed here //~^ ERROR: mismatched types - fn foo<const N: usize = { std::mem::size_of::<T>() }>(&self) {} //~ERROR defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions + fn foo<const N: usize = { std::mem::size_of::<T>() }>(&self) {} //~ERROR defaults for generic parameters are not allowed here } fn main() {} diff --git a/tests/ui/const-generics/generic_const_exprs/issue-105257.stderr b/tests/ui/const-generics/generic_const_exprs/issue-105257.stderr index d7ded0f1f74..1d0ab56519c 100644 --- a/tests/ui/const-generics/generic_const_exprs/issue-105257.stderr +++ b/tests/ui/const-generics/generic_const_exprs/issue-105257.stderr @@ -1,10 +1,10 @@ -error: defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/issue-105257.rs:5:12 | LL | fn fnc<const N: usize = "">(&self) {} | ^^^^^^^^^^^^^^^^^^^ -error: defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/issue-105257.rs:7:12 | LL | fn foo<const N: usize = { std::mem::size_of::<T>() }>(&self) {} diff --git a/tests/ui/const-generics/generic_const_exprs/issue-80742.rs b/tests/ui/const-generics/generic_const_exprs/issue-80742.rs index 73357d208c0..ac4d9fc0f4f 100644 --- a/tests/ui/const-generics/generic_const_exprs/issue-80742.rs +++ b/tests/ui/const-generics/generic_const_exprs/issue-80742.rs @@ -2,7 +2,7 @@ //@ known-bug: #97477 //@ failure-status: 101 //@ normalize-stderr: "note: .*\n\n" -> "" -//@ normalize-stderr: "thread 'rustc' panicked.*\n" -> "" +//@ normalize-stderr: "thread 'rustc'.*panicked.*\n" -> "" //@ normalize-stderr: "(error: internal compiler error: [^:]+):\d+:\d+: " -> "$1:LL:CC: " //@ rustc-env:RUST_BACKTRACE=0 diff --git a/tests/ui/const-generics/issues/issue-90318.rs b/tests/ui/const-generics/issues/issue-90318.rs index 239171217eb..35b0dd216a1 100644 --- a/tests/ui/const-generics/issues/issue-90318.rs +++ b/tests/ui/const-generics/issues/issue-90318.rs @@ -1,4 +1,3 @@ -#![feature(const_type_id)] #![feature(generic_const_exprs)] #![feature(const_trait_impl, const_cmp)] #![feature(core_intrinsics)] diff --git a/tests/ui/const-generics/issues/issue-90318.stderr b/tests/ui/const-generics/issues/issue-90318.stderr index 7031230db91..f13fd795d7a 100644 --- a/tests/ui/const-generics/issues/issue-90318.stderr +++ b/tests/ui/const-generics/issues/issue-90318.stderr @@ -1,5 +1,5 @@ error: overly complex generic constant - --> $DIR/issue-90318.rs:15:8 + --> $DIR/issue-90318.rs:14:8 | LL | If<{ TypeId::of::<T>() != TypeId::of::<()>() }>: True, | ^^-----------------^^^^^^^^^^^^^^^^^^^^^^^^ @@ -10,7 +10,7 @@ LL | If<{ TypeId::of::<T>() != TypeId::of::<()>() }>: True, = note: this operation may be supported in the future error: overly complex generic constant - --> $DIR/issue-90318.rs:22:8 + --> $DIR/issue-90318.rs:21:8 | LL | If<{ TypeId::of::<T>() != TypeId::of::<()>() }>: True, | ^^-----------------^^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/tests/ui/const-generics/min_const_generics/default_function_param.rs b/tests/ui/const-generics/min_const_generics/default_function_param.rs index 92d495ef665..153cd94849e 100644 --- a/tests/ui/const-generics/min_const_generics/default_function_param.rs +++ b/tests/ui/const-generics/min_const_generics/default_function_param.rs @@ -1,4 +1,4 @@ #![crate_type = "lib"] fn foo<const SIZE: usize = 5usize>() {} -//~^ ERROR defaults for const parameters are +//~^ ERROR defaults for generic parameters are not allowed here diff --git a/tests/ui/const-generics/min_const_generics/default_function_param.stderr b/tests/ui/const-generics/min_const_generics/default_function_param.stderr index 247eea3d989..261298a1c63 100644 --- a/tests/ui/const-generics/min_const_generics/default_function_param.stderr +++ b/tests/ui/const-generics/min_const_generics/default_function_param.stderr @@ -1,4 +1,4 @@ -error: defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/default_function_param.rs:3:8 | LL | fn foo<const SIZE: usize = 5usize>() {} diff --git a/tests/ui/consts/const-eval/issue-85155.stderr b/tests/ui/consts/const-eval/issue-85155.stderr index f7777bfac02..486d2adaf8c 100644 --- a/tests/ui/consts/const-eval/issue-85155.stderr +++ b/tests/ui/consts/const-eval/issue-85155.stderr @@ -12,7 +12,7 @@ LL | static_assert_imm1!(IMM1); | = note: this note originates in the macro `static_assert_imm1` (in Nightly builds, run with -Z macro-backtrace for more info) -note: the above error was encountered while instantiating `fn post_monomorphization_error::stdarch_intrinsic::<2>` +note: the above error was encountered while instantiating `fn stdarch_intrinsic::<2>` --> $DIR/issue-85155.rs:19:5 | LL | post_monomorphization_error::stdarch_intrinsic::<2>(); diff --git a/tests/ui/issues/issue-32086.rs b/tests/ui/consts/const-pattern-rewrite-error-32086.rs index d595d1dd7e6..d35dfe57687 100644 --- a/tests/ui/issues/issue-32086.rs +++ b/tests/ui/consts/const-pattern-rewrite-error-32086.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/32086 struct S(u8); const C: S = S(10); diff --git a/tests/ui/issues/issue-32086.stderr b/tests/ui/consts/const-pattern-rewrite-error-32086.stderr index e566dea8908..47616b06632 100644 --- a/tests/ui/issues/issue-32086.stderr +++ b/tests/ui/consts/const-pattern-rewrite-error-32086.stderr @@ -1,5 +1,5 @@ error[E0532]: expected tuple struct or tuple variant, found constant `C` - --> $DIR/issue-32086.rs:5:9 + --> $DIR/const-pattern-rewrite-error-32086.rs:6:9 | LL | struct S(u8); | ------------- similarly named tuple struct `S` defined here @@ -8,7 +8,7 @@ LL | let C(a) = S(11); | ^ help: a tuple struct with a similar name exists: `S` error[E0532]: expected tuple struct or tuple variant, found constant `C` - --> $DIR/issue-32086.rs:6:9 + --> $DIR/const-pattern-rewrite-error-32086.rs:7:9 | LL | struct S(u8); | ------------- similarly named tuple struct `S` defined here diff --git a/tests/ui/consts/const-typeid-of-rpass.rs b/tests/ui/consts/const-typeid-of-rpass.rs index 15ffdd1e83a..30f41070893 100644 --- a/tests/ui/consts/const-typeid-of-rpass.rs +++ b/tests/ui/consts/const-typeid-of-rpass.rs @@ -1,6 +1,4 @@ //@ run-pass -#![feature(const_type_id)] -#![feature(core_intrinsics)] use std::any::TypeId; diff --git a/tests/ui/consts/const_cmp_type_id.rs b/tests/ui/consts/const_cmp_type_id.rs index 8c21f7b1a5a..ff44876c5c4 100644 --- a/tests/ui/consts/const_cmp_type_id.rs +++ b/tests/ui/consts/const_cmp_type_id.rs @@ -1,6 +1,6 @@ //@ ignore-backends: gcc //@ compile-flags: -Znext-solver -#![feature(const_type_id, const_trait_impl, const_cmp)] +#![feature(const_trait_impl, const_cmp)] use std::any::TypeId; diff --git a/tests/ui/consts/const_transmute_type_id.rs b/tests/ui/consts/const_transmute_type_id.rs index a2d4cf37830..98783ad5b81 100644 --- a/tests/ui/consts/const_transmute_type_id.rs +++ b/tests/ui/consts/const_transmute_type_id.rs @@ -1,4 +1,4 @@ -#![feature(const_type_id, const_trait_impl, const_cmp)] +#![feature(const_trait_impl, const_cmp)] use std::any::TypeId; diff --git a/tests/ui/consts/const_transmute_type_id2.rs b/tests/ui/consts/const_transmute_type_id2.rs index 3ceb2b942b0..7e09947b768 100644 --- a/tests/ui/consts/const_transmute_type_id2.rs +++ b/tests/ui/consts/const_transmute_type_id2.rs @@ -1,6 +1,6 @@ //@ normalize-stderr: "0x(ff)+" -> "<u128::MAX>" -#![feature(const_type_id, const_trait_impl, const_cmp)] +#![feature( const_trait_impl, const_cmp)] use std::any::TypeId; diff --git a/tests/ui/consts/const_transmute_type_id3.rs b/tests/ui/consts/const_transmute_type_id3.rs index f1bb8cddf77..77c469d42f5 100644 --- a/tests/ui/consts/const_transmute_type_id3.rs +++ b/tests/ui/consts/const_transmute_type_id3.rs @@ -1,7 +1,7 @@ //! Test that all bytes of a TypeId must have the //! TypeId marker provenance. -#![feature(const_type_id, const_trait_impl, const_cmp)] +#![feature( const_trait_impl, const_cmp)] use std::any::TypeId; diff --git a/tests/ui/consts/const_transmute_type_id4.rs b/tests/ui/consts/const_transmute_type_id4.rs index 0ea75f2a2f4..bedd6084a16 100644 --- a/tests/ui/consts/const_transmute_type_id4.rs +++ b/tests/ui/consts/const_transmute_type_id4.rs @@ -1,4 +1,4 @@ -#![feature(const_type_id, const_trait_impl, const_cmp)] +#![feature(const_trait_impl, const_cmp)] use std::any::TypeId; diff --git a/tests/ui/consts/const_transmute_type_id5.rs b/tests/ui/consts/const_transmute_type_id5.rs index ae0429f8dbb..7f9a34104a3 100644 --- a/tests/ui/consts/const_transmute_type_id5.rs +++ b/tests/ui/consts/const_transmute_type_id5.rs @@ -1,7 +1,7 @@ //! Test that we require an equal TypeId to have an integer part that properly //! reflects the type id hash. -#![feature(const_type_id, const_trait_impl, const_cmp)] +#![feature(const_trait_impl, const_cmp)] use std::any::TypeId; diff --git a/tests/ui/consts/issue-102117.rs b/tests/ui/consts/issue-102117.rs index 6cb9832bcd8..b7955283a8d 100644 --- a/tests/ui/consts/issue-102117.rs +++ b/tests/ui/consts/issue-102117.rs @@ -1,5 +1,3 @@ -#![feature(const_type_id)] - use std::alloc::Layout; use std::any::TypeId; use std::mem::transmute; diff --git a/tests/ui/consts/issue-102117.stderr b/tests/ui/consts/issue-102117.stderr index da92db87f18..cea355d01d7 100644 --- a/tests/ui/consts/issue-102117.stderr +++ b/tests/ui/consts/issue-102117.stderr @@ -1,5 +1,5 @@ error[E0310]: the parameter type `T` may not live long enough - --> $DIR/issue-102117.rs:19:26 + --> $DIR/issue-102117.rs:17:26 | LL | type_id: TypeId::of::<T>(), | ^^^^^^^^^^^^^^^^^ @@ -13,7 +13,7 @@ LL | pub fn new<T: 'static>() -> &'static Self { | +++++++++ error[E0310]: the parameter type `T` may not live long enough - --> $DIR/issue-102117.rs:19:26 + --> $DIR/issue-102117.rs:17:26 | LL | type_id: TypeId::of::<T>(), | ^^^^^^^^^^^^^^^^^ diff --git a/tests/ui/consts/issue-73976-monomorphic.rs b/tests/ui/consts/issue-73976-monomorphic.rs index f43823fa155..6459150a660 100644 --- a/tests/ui/consts/issue-73976-monomorphic.rs +++ b/tests/ui/consts/issue-73976-monomorphic.rs @@ -6,7 +6,6 @@ // will be properly rejected. This test will ensure that monomorphic use of these // would not be wrongly rejected in patterns. -#![feature(const_type_id)] #![feature(const_type_name)] #![feature(const_trait_impl)] #![feature(const_cmp)] diff --git a/tests/ui/consts/issue-73976-polymorphic.rs b/tests/ui/consts/issue-73976-polymorphic.rs index 98b4005792d..db06706a970 100644 --- a/tests/ui/consts/issue-73976-polymorphic.rs +++ b/tests/ui/consts/issue-73976-polymorphic.rs @@ -5,7 +5,6 @@ // This test case should either run-pass or be rejected at compile time. // Currently we just disallow this usage and require pattern is monomorphic. -#![feature(const_type_id)] #![feature(const_type_name)] use std::any::{self, TypeId}; diff --git a/tests/ui/consts/issue-73976-polymorphic.stderr b/tests/ui/consts/issue-73976-polymorphic.stderr index ec9512a2616..41a5e804c67 100644 --- a/tests/ui/consts/issue-73976-polymorphic.stderr +++ b/tests/ui/consts/issue-73976-polymorphic.stderr @@ -1,5 +1,5 @@ error[E0158]: constant pattern cannot depend on generic parameters - --> $DIR/issue-73976-polymorphic.rs:20:37 + --> $DIR/issue-73976-polymorphic.rs:19:37 | LL | impl<T: 'static> GetTypeId<T> { | ----------------------------- @@ -12,7 +12,7 @@ LL | matches!(GetTypeId::<T>::VALUE, GetTypeId::<T>::VALUE) | ^^^^^^^^^^^^^^^^^^^^^ `const` depends on a generic parameter error[E0158]: constant pattern cannot depend on generic parameters - --> $DIR/issue-73976-polymorphic.rs:31:42 + --> $DIR/issue-73976-polymorphic.rs:30:42 | LL | impl<T: 'static> GetTypeNameLen<T> { | ---------------------------------- diff --git a/tests/ui/issues/issue-13763.rs b/tests/ui/consts/module-const-array-size-13763.rs index 67b9bdc5f03..b1c6879ffd2 100644 --- a/tests/ui/issues/issue-13763.rs +++ b/tests/ui/consts/module-const-array-size-13763.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/13763 + //@ run-pass #![allow(dead_code)] diff --git a/tests/ui/consts/required-consts/collect-in-dead-drop.noopt.stderr b/tests/ui/consts/required-consts/collect-in-dead-drop.noopt.stderr index 7c6219ccf93..38e169c9701 100644 --- a/tests/ui/consts/required-consts/collect-in-dead-drop.noopt.stderr +++ b/tests/ui/consts/required-consts/collect-in-dead-drop.noopt.stderr @@ -10,7 +10,7 @@ note: erroneous constant encountered LL | let _ = Fail::<T>::C; | ^^^^^^^^^^^^ -note: the above error was encountered while instantiating `fn <Fail<i32> as std::ops::Drop>::drop` +note: the above error was encountered while instantiating `fn <Fail<i32> as Drop>::drop` --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL error: aborting due to 1 previous error diff --git a/tests/ui/consts/required-consts/collect-in-dead-drop.opt.stderr b/tests/ui/consts/required-consts/collect-in-dead-drop.opt.stderr index 7c6219ccf93..38e169c9701 100644 --- a/tests/ui/consts/required-consts/collect-in-dead-drop.opt.stderr +++ b/tests/ui/consts/required-consts/collect-in-dead-drop.opt.stderr @@ -10,7 +10,7 @@ note: erroneous constant encountered LL | let _ = Fail::<T>::C; | ^^^^^^^^^^^^ -note: the above error was encountered while instantiating `fn <Fail<i32> as std::ops::Drop>::drop` +note: the above error was encountered while instantiating `fn <Fail<i32> as Drop>::drop` --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL error: aborting due to 1 previous error diff --git a/tests/ui/consts/required-consts/collect-in-dead-fn-behind-opaque-type.noopt.stderr b/tests/ui/consts/required-consts/collect-in-dead-fn-behind-opaque-type.noopt.stderr index a480a8c5a39..42a4ca2fd9d 100644 --- a/tests/ui/consts/required-consts/collect-in-dead-fn-behind-opaque-type.noopt.stderr +++ b/tests/ui/consts/required-consts/collect-in-dead-fn-behind-opaque-type.noopt.stderr @@ -10,7 +10,7 @@ note: erroneous constant encountered LL | let _ = Fail::<T>::C; | ^^^^^^^^^^^^ -note: the above error was encountered while instantiating `fn m::not_called::<i32>` +note: the above error was encountered while instantiating `fn not_called::<i32>` --> $SRC_DIR/core/src/ops/function.rs:LL:COL error: aborting due to 1 previous error diff --git a/tests/ui/consts/required-consts/collect-in-dead-fn-behind-opaque-type.opt.stderr b/tests/ui/consts/required-consts/collect-in-dead-fn-behind-opaque-type.opt.stderr index a480a8c5a39..42a4ca2fd9d 100644 --- a/tests/ui/consts/required-consts/collect-in-dead-fn-behind-opaque-type.opt.stderr +++ b/tests/ui/consts/required-consts/collect-in-dead-fn-behind-opaque-type.opt.stderr @@ -10,7 +10,7 @@ note: erroneous constant encountered LL | let _ = Fail::<T>::C; | ^^^^^^^^^^^^ -note: the above error was encountered while instantiating `fn m::not_called::<i32>` +note: the above error was encountered while instantiating `fn not_called::<i32>` --> $SRC_DIR/core/src/ops/function.rs:LL:COL error: aborting due to 1 previous error diff --git a/tests/ui/consts/required-consts/collect-in-dead-move.noopt.stderr b/tests/ui/consts/required-consts/collect-in-dead-move.noopt.stderr index 6c8edc00260..9f652e26f24 100644 --- a/tests/ui/consts/required-consts/collect-in-dead-move.noopt.stderr +++ b/tests/ui/consts/required-consts/collect-in-dead-move.noopt.stderr @@ -10,7 +10,7 @@ note: erroneous constant encountered LL | let _ = Fail::<T>::C; | ^^^^^^^^^^^^ -note: the above error was encountered while instantiating `fn <Fail<i32> as std::ops::Drop>::drop` +note: the above error was encountered while instantiating `fn <Fail<i32> as Drop>::drop` --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL error: aborting due to 1 previous error diff --git a/tests/ui/consts/required-consts/collect-in-dead-move.opt.stderr b/tests/ui/consts/required-consts/collect-in-dead-move.opt.stderr index 6c8edc00260..9f652e26f24 100644 --- a/tests/ui/consts/required-consts/collect-in-dead-move.opt.stderr +++ b/tests/ui/consts/required-consts/collect-in-dead-move.opt.stderr @@ -10,7 +10,7 @@ note: erroneous constant encountered LL | let _ = Fail::<T>::C; | ^^^^^^^^^^^^ -note: the above error was encountered while instantiating `fn <Fail<i32> as std::ops::Drop>::drop` +note: the above error was encountered while instantiating `fn <Fail<i32> as Drop>::drop` --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL error: aborting due to 1 previous error diff --git a/tests/ui/consts/required-consts/collect-in-dead-vtable.noopt.stderr b/tests/ui/consts/required-consts/collect-in-dead-vtable.noopt.stderr index 4e35beadbf4..0c12c0de197 100644 --- a/tests/ui/consts/required-consts/collect-in-dead-vtable.noopt.stderr +++ b/tests/ui/consts/required-consts/collect-in-dead-vtable.noopt.stderr @@ -10,7 +10,7 @@ note: erroneous constant encountered LL | let _ = Fail::<T>::C; | ^^^^^^^^^^^^ -note: the above error was encountered while instantiating `fn <std::vec::Vec<i32> as MyTrait>::not_called` +note: the above error was encountered while instantiating `fn <Vec<i32> as MyTrait>::not_called` --> $DIR/collect-in-dead-vtable.rs:31:40 | LL | let gen_vtable: &dyn MyTrait = &v; // vtable is "mentioned" here diff --git a/tests/ui/consts/required-consts/collect-in-dead-vtable.opt.stderr b/tests/ui/consts/required-consts/collect-in-dead-vtable.opt.stderr index 4e35beadbf4..0c12c0de197 100644 --- a/tests/ui/consts/required-consts/collect-in-dead-vtable.opt.stderr +++ b/tests/ui/consts/required-consts/collect-in-dead-vtable.opt.stderr @@ -10,7 +10,7 @@ note: erroneous constant encountered LL | let _ = Fail::<T>::C; | ^^^^^^^^^^^^ -note: the above error was encountered while instantiating `fn <std::vec::Vec<i32> as MyTrait>::not_called` +note: the above error was encountered while instantiating `fn <Vec<i32> as MyTrait>::not_called` --> $DIR/collect-in-dead-vtable.rs:31:40 | LL | let gen_vtable: &dyn MyTrait = &v; // vtable is "mentioned" here diff --git a/tests/ui/issues/auxiliary/issue-5521.rs b/tests/ui/cross-crate/auxiliary/aux-5521.rs index c2f81779b35..c2f81779b35 100644 --- a/tests/ui/issues/auxiliary/issue-5521.rs +++ b/tests/ui/cross-crate/auxiliary/aux-5521.rs diff --git a/tests/ui/issues/issue-5521.rs b/tests/ui/cross-crate/cross-crate-map-usage-5521.rs index 45896ae8128..ffce846be2c 100644 --- a/tests/ui/issues/issue-5521.rs +++ b/tests/ui/cross-crate/cross-crate-map-usage-5521.rs @@ -1,10 +1,9 @@ +// https://github.com/rust-lang/rust/issues/5521 //@ run-pass #![allow(dead_code)] -//@ aux-build:issue-5521.rs +//@ aux-build:aux-5521.rs - - -extern crate issue_5521 as foo; +extern crate aux_5521 as foo; fn bar(a: foo::map) { if false { diff --git a/tests/ui/issues/issue-46332.rs b/tests/ui/did_you_mean/typo-suggestion-improvement-46332.rs index bed74e3138a..3dd686a66b0 100644 --- a/tests/ui/issues/issue-46332.rs +++ b/tests/ui/did_you_mean/typo-suggestion-improvement-46332.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/46332 // Original Levenshtein distance for both of this is 1. We improved accuracy with // additional case insensitive comparison. diff --git a/tests/ui/issues/issue-46332.stderr b/tests/ui/did_you_mean/typo-suggestion-improvement-46332.stderr index 8c0c1dfa6ee..502f8151878 100644 --- a/tests/ui/issues/issue-46332.stderr +++ b/tests/ui/did_you_mean/typo-suggestion-improvement-46332.stderr @@ -1,5 +1,5 @@ error[E0422]: cannot find struct, variant or union type `TyUInt` in this scope - --> $DIR/issue-46332.rs:9:5 + --> $DIR/typo-suggestion-improvement-46332.rs:10:5 | LL | struct TyUint {} | ------------- similarly named struct `TyUint` defined here diff --git a/tests/ui/issues/issue-6892.rs b/tests/ui/drop/destructor-run-for-let-ignore-6892.rs index 7d99aef4ac5..0fcf133c2b1 100644 --- a/tests/ui/issues/issue-6892.rs +++ b/tests/ui/drop/destructor-run-for-let-ignore-6892.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/6892 //@ run-pass #![allow(dead_code)] // Ensures that destructors are run for expressions of the form "let _ = e;" diff --git a/tests/ui/issues/issue-16151.rs b/tests/ui/drop/drop-count-assertion-16151.rs index b18108e0a8a..ede6bc23e73 100644 --- a/tests/ui/issues/issue-16151.rs +++ b/tests/ui/drop/drop-count-assertion-16151.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/16151 //@ run-pass // FIXME(static_mut_refs): Do not allow `static_mut_refs` lint diff --git a/tests/ui/drop/or-pattern-drop-order.rs b/tests/ui/drop/or-pattern-drop-order.rs index fdc28225c35..cca81673ac3 100644 --- a/tests/ui/drop/or-pattern-drop-order.rs +++ b/tests/ui/drop/or-pattern-drop-order.rs @@ -1,6 +1,7 @@ //@ run-pass //! Test drop order for different ways of declaring pattern bindings involving or-patterns. -//! Currently, it's inconsistent between language constructs (#142163). +//! In particular, are ordered based on the order in which the first occurrence of each binding +//! appears (i.e. the "primary" bindings). Regression test for #142163. use std::cell::RefCell; use std::ops::Drop; @@ -43,11 +44,10 @@ fn main() { y = LogDrop(o, 1); }); - // When bindings are declared with `let pat = expr;`, bindings within or-patterns are seen last, - // thus they're dropped first. + // `let pat = expr;` should have the same drop order. assert_drop_order(1..=3, |o| { - // Drops are right-to-left, treating `y` as rightmost: `y`, `z`, `x`. - let (x, Ok(y) | Err(y), z) = (LogDrop(o, 3), Ok(LogDrop(o, 1)), LogDrop(o, 2)); + // Drops are right-to-left: `z`, `y`, `x`. + let (x, Ok(y) | Err(y), z) = (LogDrop(o, 3), Ok(LogDrop(o, 2)), LogDrop(o, 1)); }); assert_drop_order(1..=2, |o| { // The first or-pattern alternative determines the bindings' drop order: `y`, `x`. @@ -58,30 +58,29 @@ fn main() { let ((true, x, y) | (false, y, x)) = (false, LogDrop(o, 1), LogDrop(o, 2)); }); - // `match` treats or-patterns as last like `let pat = expr;`, but also determines drop order - // using the order of the bindings in the *last* or-pattern alternative. + // `match` should have the same drop order. assert_drop_order(1..=3, |o| { - // Drops are right-to-left, treating `y` as rightmost: `y`, `z`, `x`. - match (LogDrop(o, 3), Ok(LogDrop(o, 1)), LogDrop(o, 2)) { (x, Ok(y) | Err(y), z) => {} } + // Drops are right-to-left: `z`, `y` `x`. + match (LogDrop(o, 3), Ok(LogDrop(o, 2)), LogDrop(o, 1)) { (x, Ok(y) | Err(y), z) => {} } }); assert_drop_order(1..=2, |o| { - // The last or-pattern alternative determines the bindings' drop order: `x`, `y`. - match (true, LogDrop(o, 1), LogDrop(o, 2)) { (true, x, y) | (false, y, x) => {} } + // The first or-pattern alternative determines the bindings' drop order: `y`, `x`. + match (true, LogDrop(o, 2), LogDrop(o, 1)) { (true, x, y) | (false, y, x) => {} } }); assert_drop_order(1..=2, |o| { - // That drop order is used regardless of which or-pattern alternative matches: `x`, `y`. - match (false, LogDrop(o, 2), LogDrop(o, 1)) { (true, x, y) | (false, y, x) => {} } + // That drop order is used regardless of which or-pattern alternative matches: `y`, `x`. + match (false, LogDrop(o, 1), LogDrop(o, 2)) { (true, x, y) | (false, y, x) => {} } }); // Function params are visited one-by-one, and the order of bindings within a param's pattern is - // the same as `let pat = expr`; + // the same as `let pat = expr;` assert_drop_order(1..=3, |o| { // Among separate params, the drop order is right-to-left: `z`, `y`, `x`. (|x, (Ok(y) | Err(y)), z| {})(LogDrop(o, 3), Ok(LogDrop(o, 2)), LogDrop(o, 1)); }); assert_drop_order(1..=3, |o| { - // Within a param's pattern, or-patterns are treated as rightmost: `y`, `z`, `x`. - (|(x, Ok(y) | Err(y), z)| {})((LogDrop(o, 3), Ok(LogDrop(o, 1)), LogDrop(o, 2))); + // Within a param's pattern, likewise: `z`, `y`, `x`. + (|(x, Ok(y) | Err(y), z)| {})((LogDrop(o, 3), Ok(LogDrop(o, 2)), LogDrop(o, 1))); }); assert_drop_order(1..=2, |o| { // The first or-pattern alternative determines the bindings' drop order: `y`, `x`. @@ -89,12 +88,11 @@ fn main() { }); // `if let` and `let`-`else` see bindings in the same order as `let pat = expr;`. - // Vars in or-patterns are seen last (dropped first), and the first alternative's order is used. assert_drop_order(1..=3, |o| { - if let (x, Ok(y) | Err(y), z) = (LogDrop(o, 3), Ok(LogDrop(o, 1)), LogDrop(o, 2)) {} + if let (x, Ok(y) | Err(y), z) = (LogDrop(o, 3), Ok(LogDrop(o, 2)), LogDrop(o, 1)) {} }); assert_drop_order(1..=3, |o| { - let (x, Ok(y) | Err(y), z) = (LogDrop(o, 3), Ok(LogDrop(o, 1)), LogDrop(o, 2)) else { + let (x, Ok(y) | Err(y), z) = (LogDrop(o, 3), Ok(LogDrop(o, 2)), LogDrop(o, 1)) else { unreachable!(); }; }); @@ -106,4 +104,21 @@ fn main() { unreachable!(); }; }); + + // Test nested and adjacent or-patterns, including or-patterns without bindings under a guard. + assert_drop_order(1..=6, |o| { + // The `LogDrop`s that aren't moved into bindings are dropped last. + match [ + [LogDrop(o, 6), LogDrop(o, 4)], + [LogDrop(o, 3), LogDrop(o, 2)], + [LogDrop(o, 1), LogDrop(o, 5)], + ] { + [ + [_ | _, w | w] | [w | w, _ | _], + [x | x, y | y] | [y | y, x | x], + [z | z, _ | _] | [_ | _, z | z], + ] if true => {} + _ => unreachable!(), + } + }); } diff --git a/tests/ui/issues/issue-14875.rs b/tests/ui/drop/panic-during-drop-14875.rs index e330c64a335..5a6f8f42775 100644 --- a/tests/ui/issues/issue-14875.rs +++ b/tests/ui/drop/panic-during-drop-14875.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/14875 + //@ run-pass //@ needs-unwind //@ ignore-backends: gcc diff --git a/tests/ui/dropck/eager-by-ref-binding-for-guards.rs b/tests/ui/dropck/eager-by-ref-binding-for-guards.rs index 3f475839171..90ff9a747ae 100644 --- a/tests/ui/dropck/eager-by-ref-binding-for-guards.rs +++ b/tests/ui/dropck/eager-by-ref-binding-for-guards.rs @@ -17,15 +17,15 @@ fn main() { (mut long2, ref short2) if true => long2.0 = &short2, _ => unreachable!(), } - // This depends on the binding modes of the final or-pattern alternatives (see #142163): + // This depends on the binding modes of the first or-pattern alternatives: let res: &Result<u8, &u8> = &Ok(1); match (Struct(&&0), res) { (mut long3, Ok(short3) | &Err(short3)) if true => long3.0 = &short3, - //~^ ERROR `short3` does not live long enough _ => unreachable!(), } match (Struct(&&0), res) { (mut long4, &Err(short4) | Ok(short4)) if true => long4.0 = &short4, + //~^ ERROR `short4` does not live long enough _ => unreachable!(), } } diff --git a/tests/ui/dropck/eager-by-ref-binding-for-guards.stderr b/tests/ui/dropck/eager-by-ref-binding-for-guards.stderr index cb1a04cd444..2648ce6f99c 100644 --- a/tests/ui/dropck/eager-by-ref-binding-for-guards.stderr +++ b/tests/ui/dropck/eager-by-ref-binding-for-guards.stderr @@ -11,15 +11,15 @@ LL | (mut long1, ref short1) => long1.0 = &short1, | = note: values in a scope are dropped in the opposite order they are defined -error[E0597]: `short3` does not live long enough - --> $DIR/eager-by-ref-binding-for-guards.rs:23:69 +error[E0597]: `short4` does not live long enough + --> $DIR/eager-by-ref-binding-for-guards.rs:27:69 | -LL | (mut long3, Ok(short3) | &Err(short3)) if true => long3.0 = &short3, - | ------ ^^^^^^- - | | | | - | | | `short3` dropped here while still borrowed - | | | borrow might be used here, when `long3` is dropped and runs the `Drop` code for type `Struct` - | binding `short3` declared here borrowed value does not live long enough +LL | (mut long4, &Err(short4) | Ok(short4)) if true => long4.0 = &short4, + | ------ ^^^^^^- + | | | | + | | | `short4` dropped here while still borrowed + | | | borrow might be used here, when `long4` is dropped and runs the `Drop` code for type `Struct` + | binding `short4` declared here borrowed value does not live long enough | = note: values in a scope are dropped in the opposite order they are defined diff --git a/tests/ui/dropck/let-else-more-permissive.rs b/tests/ui/dropck/let-else-more-permissive.rs index 0020814aa81..6247b0eb5e2 100644 --- a/tests/ui/dropck/let-else-more-permissive.rs +++ b/tests/ui/dropck/let-else-more-permissive.rs @@ -1,5 +1,5 @@ -//! The drop check is currently more permissive when `let` statements have an `else` block, due to -//! scheduling drops for bindings' storage before pattern-matching (#142056). +//! Regression test for #142056. The drop check used to be more permissive for `let` statements with +//! `else` blocks, due to scheduling drops for bindings' storage before pattern-matching. struct Struct<T>(T); impl<T> Drop for Struct<T> { @@ -14,10 +14,11 @@ fn main() { //~^ ERROR `short1` does not live long enough } { - // This is OK: `short2`'s storage is live until after `long2`'s drop runs. + // This was OK: `short2`'s storage was live until after `long2`'s drop ran. #[expect(irrefutable_let_patterns)] let (mut long2, short2) = (Struct(&0), 1) else { unreachable!() }; long2.0 = &short2; + //~^ ERROR `short2` does not live long enough } { // Sanity check: `short3`'s drop is significant; it's dropped before `long3`: diff --git a/tests/ui/dropck/let-else-more-permissive.stderr b/tests/ui/dropck/let-else-more-permissive.stderr index 7c37e170afa..4f0c193a78d 100644 --- a/tests/ui/dropck/let-else-more-permissive.stderr +++ b/tests/ui/dropck/let-else-more-permissive.stderr @@ -14,8 +14,24 @@ LL | } | = note: values in a scope are dropped in the opposite order they are defined +error[E0597]: `short2` does not live long enough + --> $DIR/let-else-more-permissive.rs:20:19 + | +LL | let (mut long2, short2) = (Struct(&0), 1) else { unreachable!() }; + | ------ binding `short2` declared here +LL | long2.0 = &short2; + | ^^^^^^^ borrowed value does not live long enough +LL | +LL | } + | - + | | + | `short2` dropped here while still borrowed + | borrow might be used here, when `long2` is dropped and runs the `Drop` code for type `Struct` + | + = note: values in a scope are dropped in the opposite order they are defined + error[E0597]: `short3` does not live long enough - --> $DIR/let-else-more-permissive.rs:27:19 + --> $DIR/let-else-more-permissive.rs:28:19 | LL | let (mut long3, short3) = (Struct(&tmp), Box::new(1)) else { unreachable!() }; | ------ binding `short3` declared here @@ -30,6 +46,6 @@ LL | } | = note: values in a scope are dropped in the opposite order they are defined -error: aborting due to 2 previous errors +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0597`. diff --git a/tests/ui/issues/issue-20939.rs b/tests/ui/dyn-compatibility/dyn-compatible-trait-implementation-20939.rs index c0c22297897..c7938b275e9 100644 --- a/tests/ui/issues/issue-20939.rs +++ b/tests/ui/dyn-compatibility/dyn-compatible-trait-implementation-20939.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/20939 trait Foo {} impl<'a> Foo for dyn Foo + 'a {} diff --git a/tests/ui/issues/issue-20939.stderr b/tests/ui/dyn-compatibility/dyn-compatible-trait-implementation-20939.stderr index 00357155c8a..196d8b6a880 100644 --- a/tests/ui/issues/issue-20939.stderr +++ b/tests/ui/dyn-compatibility/dyn-compatible-trait-implementation-20939.stderr @@ -1,5 +1,5 @@ error[E0371]: the object type `(dyn Foo + 'a)` automatically implements the trait `Foo` - --> $DIR/issue-20939.rs:3:1 + --> $DIR/dyn-compatible-trait-implementation-20939.rs:4:1 | LL | impl<'a> Foo for dyn Foo + 'a {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `(dyn Foo + 'a)` automatically implements trait `Foo` diff --git a/tests/ui/explicit-tail-calls/drop-order.rs b/tests/ui/explicit-tail-calls/drop-order.rs index 242336be484..58e1afbdf0c 100644 --- a/tests/ui/explicit-tail-calls/drop-order.rs +++ b/tests/ui/explicit-tail-calls/drop-order.rs @@ -1,5 +1,3 @@ -// FIXME(explicit_tail_calls): enable this test once rustc_codegen_ssa supports tail calls -//@ ignore-test: tail calls are not implemented in rustc_codegen_ssa yet, so this causes 🧊 //@ run-pass #![expect(incomplete_features)] #![feature(explicit_tail_calls)] diff --git a/tests/ui/explicit-tail-calls/higher-ranked-arg.rs b/tests/ui/explicit-tail-calls/higher-ranked-arg.rs new file mode 100644 index 00000000000..e60686ab511 --- /dev/null +++ b/tests/ui/explicit-tail-calls/higher-ranked-arg.rs @@ -0,0 +1,13 @@ +// Regression test for <https://github.com/rust-lang/rust/issues/144826>. +//@ check-pass + +#![feature(explicit_tail_calls)] +#![expect(incomplete_features)] + +fn foo(x: fn(&i32)) { + become bar(x); +} + +fn bar(_: fn(&i32)) {} + +fn main() {} diff --git a/tests/ui/explicit-tail-calls/indexer.rs b/tests/ui/explicit-tail-calls/indexer.rs new file mode 100644 index 00000000000..5644506b2f5 --- /dev/null +++ b/tests/ui/explicit-tail-calls/indexer.rs @@ -0,0 +1,22 @@ +//@ run-pass +// Indexing taken from +// https://github.com/phi-go/rfcs/blob/guaranteed-tco/text%2F0000-explicit-tail-calls.md#tail-call-elimination +// no other test has utilized the "function table" +// described in the RFC aside from this one at this point. +#![expect(incomplete_features)] +#![feature(explicit_tail_calls)] + +fn f0(_: usize) {} +fn f1(_: usize) {} +fn f2(_: usize) {} + +fn indexer(idx: usize) { + let v: [fn(usize); 3] = [f0, f1, f2]; + become v[idx](idx) +} + +fn main() { + for idx in 0..3 { + indexer(idx); + } +} diff --git a/tests/ui/explicit-tail-calls/ret-ty-borrowck-constraints.rs b/tests/ui/explicit-tail-calls/ret-ty-borrowck-constraints.rs new file mode 100644 index 00000000000..111ae849c0f --- /dev/null +++ b/tests/ui/explicit-tail-calls/ret-ty-borrowck-constraints.rs @@ -0,0 +1,16 @@ +#![feature(explicit_tail_calls)] +#![expect(incomplete_features)] + +fn link(x: &str) -> &'static str { + become passthrough(x); + //~^ ERROR lifetime may not live long enough +} + +fn passthrough<T>(t: T) -> T { t } + +fn main() { + let x = String::from("hello, world"); + let s = link(&x); + drop(x); + println!("{s}"); +} diff --git a/tests/ui/explicit-tail-calls/ret-ty-borrowck-constraints.stderr b/tests/ui/explicit-tail-calls/ret-ty-borrowck-constraints.stderr new file mode 100644 index 00000000000..26a8e1f0122 --- /dev/null +++ b/tests/ui/explicit-tail-calls/ret-ty-borrowck-constraints.stderr @@ -0,0 +1,10 @@ +error: lifetime may not live long enough + --> $DIR/ret-ty-borrowck-constraints.rs:5:5 + | +LL | fn link(x: &str) -> &'static str { + | - let's call the lifetime of this reference `'1` +LL | become passthrough(x); + | ^^^^^^^^^^^^^^^^^^^^^ returning this value requires that `'1` must outlive `'static` + +error: aborting due to 1 previous error + diff --git a/tests/ui/extern/extern-types-field-offset.run.stderr b/tests/ui/extern/extern-types-field-offset.run.stderr index 07bd4fcb13f..b096e8044a7 100644 --- a/tests/ui/extern/extern-types-field-offset.run.stderr +++ b/tests/ui/extern/extern-types-field-offset.run.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at library/core/src/panicking.rs:$LINE:$COL: +thread 'main' ($TID) panicked at library/core/src/panicking.rs:$LINE:$COL: attempted to compute the size or alignment of extern type `Opaque` note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace thread caused non-unwinding panic. aborting. diff --git a/tests/ui/extern/extern-types-size_of_val.align.run.stderr b/tests/ui/extern/extern-types-size_of_val.align.run.stderr index 5ba372d60fa..66206f37501 100644 --- a/tests/ui/extern/extern-types-size_of_val.align.run.stderr +++ b/tests/ui/extern/extern-types-size_of_val.align.run.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at library/core/src/panicking.rs:$LINE:$COL: +thread 'main' ($TID) panicked at library/core/src/panicking.rs:$LINE:$COL: attempted to compute the size or alignment of extern type `A` note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace thread caused non-unwinding panic. aborting. diff --git a/tests/ui/extern/extern-types-size_of_val.size.run.stderr b/tests/ui/extern/extern-types-size_of_val.size.run.stderr index 5ba372d60fa..66206f37501 100644 --- a/tests/ui/extern/extern-types-size_of_val.size.run.stderr +++ b/tests/ui/extern/extern-types-size_of_val.size.run.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at library/core/src/panicking.rs:$LINE:$COL: +thread 'main' ($TID) panicked at library/core/src/panicking.rs:$LINE:$COL: attempted to compute the size or alignment of extern type `A` note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace thread caused non-unwinding panic. aborting. diff --git a/tests/ui/extern/issue-80074.rs b/tests/ui/extern/issue-80074.rs index ba7b55a450f..942b78916d6 100644 --- a/tests/ui/extern/issue-80074.rs +++ b/tests/ui/extern/issue-80074.rs @@ -11,7 +11,7 @@ extern crate issue_80074_2; fn main() { foo!(); - //~^ WARN: macro `foo` is private + //~^ ERROR: macro `foo` is private //~| WARN: it will become a hard error in a future release! bar!(); //~^ ERROR: cannot find macro `bar` in this scope diff --git a/tests/ui/extern/issue-80074.stderr b/tests/ui/extern/issue-80074.stderr index b30b761593e..510ca1be0a1 100644 --- a/tests/ui/extern/issue-80074.stderr +++ b/tests/ui/extern/issue-80074.stderr @@ -16,7 +16,7 @@ error: cannot find macro `m` in this scope LL | m!(); | ^ -warning: macro `foo` is private +error: macro `foo` is private --> $DIR/issue-80074.rs:13:5 | LL | foo!(); @@ -24,8 +24,19 @@ LL | foo!(); | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #120192 <https://github.com/rust-lang/rust/issues/120192> - = note: `#[warn(private_macro_use)]` on by default + = note: `#[deny(private_macro_use)]` on by default -error: aborting due to 3 previous errors; 1 warning emitted +error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0469`. +Future incompatibility report: Future breakage diagnostic: +error: macro `foo` is private + --> $DIR/issue-80074.rs:13:5 + | +LL | foo!(); + | ^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #120192 <https://github.com/rust-lang/rust/issues/120192> + = note: `#[deny(private_macro_use)]` on by default + diff --git a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr index 8bac1f6155e..f2ae50b75a3 100644 --- a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr +++ b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr @@ -361,12 +361,6 @@ warning: crate-level attribute should be an inner attribute: add an exclamation LL | #[type_length_limit="0100"] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: `#[should_panic]` only has an effect on functions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:53:1 - | -LL | #![should_panic] - | ^^^^^^^^^^^^^^^^ - warning: attribute should be applied to an `extern` block with non-Rust ABI --> $DIR/issue-43106-gating-of-builtin-attrs.rs:64:1 | @@ -409,6 +403,12 @@ warning: `#[proc_macro_derive]` only has an effect on functions LL | #![proc_macro_derive(Test)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ +warning: `#[should_panic]` only has an effect on functions + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:53:1 + | +LL | #![should_panic] + | ^^^^^^^^^^^^^^^^ + warning: attribute should be applied to a function definition --> $DIR/issue-43106-gating-of-builtin-attrs.rs:62:1 | diff --git a/tests/ui/issues/issue-14959.rs b/tests/ui/fn_traits/closure-trait-impl-14959.rs index 57af1207ff9..94d43055e64 100644 --- a/tests/ui/issues/issue-14959.rs +++ b/tests/ui/fn_traits/closure-trait-impl-14959.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/14959 + //@ check-pass #![feature(fn_traits, unboxed_closures)] diff --git a/tests/ui/generic-associated-types/type-param-defaults.rs b/tests/ui/generic-associated-types/type-param-defaults.rs index eea54c46073..6e9a62b96c4 100644 --- a/tests/ui/generic-associated-types/type-param-defaults.rs +++ b/tests/ui/generic-associated-types/type-param-defaults.rs @@ -4,17 +4,17 @@ trait Trait { type Assoc<T = u32>; - //~^ ERROR defaults for type parameters are only allowed + //~^ ERROR defaults for generic parameters are not allowed here } impl Trait for () { type Assoc<T = u32> = u64; - //~^ ERROR defaults for type parameters are only allowed + //~^ ERROR defaults for generic parameters are not allowed here } impl Trait for u32 { type Assoc<T = u32> = T; - //~^ ERROR defaults for type parameters are only allowed + //~^ ERROR defaults for generic parameters are not allowed here } trait Other {} diff --git a/tests/ui/generic-associated-types/type-param-defaults.stderr b/tests/ui/generic-associated-types/type-param-defaults.stderr index 3c094d45fff..d9872dadbdb 100644 --- a/tests/ui/generic-associated-types/type-param-defaults.stderr +++ b/tests/ui/generic-associated-types/type-param-defaults.stderr @@ -1,16 +1,16 @@ -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/type-param-defaults.rs:6:16 | LL | type Assoc<T = u32>; | ^^^^^^^ -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/type-param-defaults.rs:11:16 | LL | type Assoc<T = u32> = u64; | ^^^^^^^ -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/type-param-defaults.rs:16:16 | LL | type Assoc<T = u32> = T; diff --git a/tests/ui/generic-const-items/parameter-defaults.rs b/tests/ui/generic-const-items/parameter-defaults.rs index c933db17fa2..b52cb0fd002 100644 --- a/tests/ui/generic-const-items/parameter-defaults.rs +++ b/tests/ui/generic-const-items/parameter-defaults.rs @@ -7,9 +7,17 @@ // FIXME(default_type_parameter_fallback): Consider reallowing them once they work properly. -const NONE<T = ()>: Option<T> = None::<T>; //~ ERROR defaults for type parameters are only allowed +const NONE<T = ()>: Option<T> = None::<T>; +//~^ ERROR defaults for generic parameters are not allowed here -fn main() { - let _ = NONE; - //~^ ERROR type annotations needed +impl Host { + const NADA<T = ()>: Option<T> = None::<T>; + //~^ ERROR defaults for generic parameters are not allowed here } + +enum Host {} + +fn body0() { let _ = NONE; } //~ ERROR type annotations needed +fn body1() { let _ = Host::NADA; } //~ ERROR type annotations needed + +fn main() {} diff --git a/tests/ui/generic-const-items/parameter-defaults.stderr b/tests/ui/generic-const-items/parameter-defaults.stderr index 13562c98f6d..9bf1f6412f5 100644 --- a/tests/ui/generic-const-items/parameter-defaults.stderr +++ b/tests/ui/generic-const-items/parameter-defaults.stderr @@ -1,20 +1,37 @@ -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/parameter-defaults.rs:10:12 | LL | const NONE<T = ()>: Option<T> = None::<T>; | ^^^^^^ +error: defaults for generic parameters are not allowed here + --> $DIR/parameter-defaults.rs:14:16 + | +LL | const NADA<T = ()>: Option<T> = None::<T>; + | ^^^^^^ + +error[E0282]: type annotations needed for `Option<_>` + --> $DIR/parameter-defaults.rs:20:18 + | +LL | fn body0() { let _ = NONE; } + | ^ ---- type must be known at this point + | +help: consider giving this pattern a type, where the type for type parameter `T` is specified + | +LL | fn body0() { let _: Option<T> = NONE; } + | +++++++++++ + error[E0282]: type annotations needed for `Option<_>` - --> $DIR/parameter-defaults.rs:13:9 + --> $DIR/parameter-defaults.rs:21:18 | -LL | let _ = NONE; - | ^ ---- type must be known at this point +LL | fn body1() { let _ = Host::NADA; } + | ^ ---------- type must be known at this point | help: consider giving this pattern a type, where the type for type parameter `T` is specified | -LL | let _: Option<T> = NONE; - | +++++++++++ +LL | fn body1() { let _: Option<T> = Host::NADA; } + | +++++++++++ -error: aborting due to 2 previous errors +error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0282`. diff --git a/tests/ui/issues/issue-14092.rs b/tests/ui/generics/box-missing-generics-14092.rs index 67c2a42eafb..3570d5f675f 100644 --- a/tests/ui/issues/issue-14092.rs +++ b/tests/ui/generics/box-missing-generics-14092.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/14092 + fn fn1(0: Box) {} //~^ ERROR missing generics for struct `Box` diff --git a/tests/ui/issues/issue-14092.stderr b/tests/ui/generics/box-missing-generics-14092.stderr index 0de7b902fe0..0822d781ac7 100644 --- a/tests/ui/issues/issue-14092.stderr +++ b/tests/ui/generics/box-missing-generics-14092.stderr @@ -1,5 +1,5 @@ error[E0107]: missing generics for struct `Box` - --> $DIR/issue-14092.rs:1:11 + --> $DIR/box-missing-generics-14092.rs:3:11 | LL | fn fn1(0: Box) {} | ^^^ expected at least 1 generic argument diff --git a/tests/ui/generics/generic-extern.rs b/tests/ui/generics/generic-extern.rs index 36fa5eaafd6..b4f00fc1187 100644 --- a/tests/ui/generics/generic-extern.rs +++ b/tests/ui/generics/generic-extern.rs @@ -1,7 +1,15 @@ +// Ensure that we reject generic parameters on foreign items. + extern "C" { fn foo<T>(); //~ ERROR foreign items may not have type parameters + + // Furthermore, check that type parameter defaults lead to a *hard* error, + // not just a lint error, for maximum forward compatibility. + #[allow(invalid_type_param_default)] // Should have no effect here. + fn bar<T = ()>(); //~ ERROR foreign items may not have type parameters + //~^ ERROR defaults for generic parameters are not allowed here } fn main() { - foo::<i32>(); //~ ERROR requires unsafe + unsafe { foo::<i32>() }; } diff --git a/tests/ui/generics/generic-extern.stderr b/tests/ui/generics/generic-extern.stderr index a3f28825316..6e837156812 100644 --- a/tests/ui/generics/generic-extern.stderr +++ b/tests/ui/generics/generic-extern.stderr @@ -1,20 +1,25 @@ error[E0044]: foreign items may not have type parameters - --> $DIR/generic-extern.rs:2:5 + --> $DIR/generic-extern.rs:4:5 | LL | fn foo<T>(); | ^^^^^^^^^^^^ can't have type parameters | = help: replace the type parameters with concrete types like `u32` -error[E0133]: call to unsafe function `foo` is unsafe and requires unsafe function or block - --> $DIR/generic-extern.rs:6:5 +error: defaults for generic parameters are not allowed here + --> $DIR/generic-extern.rs:9:12 | -LL | foo::<i32>(); - | ^^^^^^^^^^^^ call to unsafe function +LL | fn bar<T = ()>(); + | ^^^^^^ + +error[E0044]: foreign items may not have type parameters + --> $DIR/generic-extern.rs:9:5 | - = note: consult the function's documentation for information on how to avoid undefined behavior +LL | fn bar<T = ()>(); + | ^^^^^^^^^^^^^^^^^ can't have type parameters + | + = help: replace the type parameters with concrete types like `u32` -error: aborting due to 2 previous errors +error: aborting due to 3 previous errors -Some errors have detailed explanations: E0044, E0133. -For more information about an error, try `rustc --explain E0044`. +For more information about this error, try `rustc --explain E0044`. diff --git a/tests/ui/generics/invalid-type-param-default.rs b/tests/ui/generics/invalid-type-param-default.rs new file mode 100644 index 00000000000..b47e142605c --- /dev/null +++ b/tests/ui/generics/invalid-type-param-default.rs @@ -0,0 +1,22 @@ +// Ensure that we emit the deny-by-default lint `invalid_type_param_default` in locations where +// type parameter defaults were accidentally allowed but don't have any effect whatsoever. +// +// Tracked in <https://github.com/rust-lang/rust/issues/36887>. +// FIXME(default_type_parameter_fallback): Consider reallowing them once they work properly. + +fn avg<T = i32>(_: T) {} +//~^ ERROR defaults for generic parameters are not allowed here [invalid_type_param_default] +//~| WARN this was previously accepted + +// issue: <https://github.com/rust-lang/rust/issues/26812> +fn mdn<T = T::Item>(_: T) {} +//~^ ERROR generic parameter defaults cannot reference parameters before they are declared +//~| ERROR defaults for generic parameters are not allowed here [invalid_type_param_default] +//~| WARN this was previously accepted + +struct S<T>(T); +impl<T = i32> S<T> {} +//~^ ERROR defaults for generic parameters are not allowed here [invalid_type_param_default] +//~| WARN this was previously accepted + +fn main() {} diff --git a/tests/ui/generics/invalid-type-param-default.stderr b/tests/ui/generics/invalid-type-param-default.stderr new file mode 100644 index 00000000000..1c8fdd8ab5c --- /dev/null +++ b/tests/ui/generics/invalid-type-param-default.stderr @@ -0,0 +1,70 @@ +error[E0128]: generic parameter defaults cannot reference parameters before they are declared + --> $DIR/invalid-type-param-default.rs:12:12 + | +LL | fn mdn<T = T::Item>(_: T) {} + | ^^^^^^^ cannot reference `T` before it is declared + +error: defaults for generic parameters are not allowed here + --> $DIR/invalid-type-param-default.rs:7:8 + | +LL | fn avg<T = i32>(_: T) {} + | ^^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> + = note: `#[deny(invalid_type_param_default)]` on by default + +error: defaults for generic parameters are not allowed here + --> $DIR/invalid-type-param-default.rs:12:8 + | +LL | fn mdn<T = T::Item>(_: T) {} + | ^^^^^^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> + +error: defaults for generic parameters are not allowed here + --> $DIR/invalid-type-param-default.rs:18:6 + | +LL | impl<T = i32> S<T> {} + | ^^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> + +error: aborting due to 4 previous errors + +For more information about this error, try `rustc --explain E0128`. +Future incompatibility report: Future breakage diagnostic: +error: defaults for generic parameters are not allowed here + --> $DIR/invalid-type-param-default.rs:7:8 + | +LL | fn avg<T = i32>(_: T) {} + | ^^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> + = note: `#[deny(invalid_type_param_default)]` on by default + +Future breakage diagnostic: +error: defaults for generic parameters are not allowed here + --> $DIR/invalid-type-param-default.rs:12:8 + | +LL | fn mdn<T = T::Item>(_: T) {} + | ^^^^^^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> + = note: `#[deny(invalid_type_param_default)]` on by default + +Future breakage diagnostic: +error: defaults for generic parameters are not allowed here + --> $DIR/invalid-type-param-default.rs:18:6 + | +LL | impl<T = i32> S<T> {} + | ^^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> + = note: `#[deny(invalid_type_param_default)]` on by default + diff --git a/tests/ui/generics/overlapping-errors-span-issue-123861.rs b/tests/ui/generics/overlapping-errors-span-issue-123861.rs index e0a27f68748..2549f4b3714 100644 --- a/tests/ui/generics/overlapping-errors-span-issue-123861.rs +++ b/tests/ui/generics/overlapping-errors-span-issue-123861.rs @@ -1,7 +1,7 @@ fn mainIterator<_ = _> {} //~^ ERROR expected identifier, found reserved identifier `_` //~| ERROR missing parameters for function definition -//~| ERROR defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions [invalid_type_param_default] +//~| ERROR defaults for generic parameters are not allowed here [invalid_type_param_default] //~| WARNING this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! //~| ERROR the placeholder `_` is not allowed within types on item signatures for functions [E0121] diff --git a/tests/ui/generics/overlapping-errors-span-issue-123861.stderr b/tests/ui/generics/overlapping-errors-span-issue-123861.stderr index 7d08d8fed9f..44e8b4a01e7 100644 --- a/tests/ui/generics/overlapping-errors-span-issue-123861.stderr +++ b/tests/ui/generics/overlapping-errors-span-issue-123861.stderr @@ -15,7 +15,7 @@ help: add a parameter list LL | fn mainIterator<_ = _>() {} | ++ -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/overlapping-errors-span-issue-123861.rs:1:17 | LL | fn mainIterator<_ = _> {} @@ -35,7 +35,7 @@ error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0121`. Future incompatibility report: Future breakage diagnostic: -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/overlapping-errors-span-issue-123861.rs:1:17 | LL | fn mainIterator<_ = _> {} diff --git a/tests/ui/issues/issue-36075.rs b/tests/ui/generics/unused-type-parameter-regression-36075.rs index a563332ad78..4d6eb617b59 100644 --- a/tests/ui/issues/issue-36075.rs +++ b/tests/ui/generics/unused-type-parameter-regression-36075.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/36075 //@ check-pass #![allow(dead_code)] trait DeclarationParser { diff --git a/tests/ui/hygiene/panic-location.run.stderr b/tests/ui/hygiene/panic-location.run.stderr index 5cd07dcda4c..d28ab864183 100644 --- a/tests/ui/hygiene/panic-location.run.stderr +++ b/tests/ui/hygiene/panic-location.run.stderr @@ -1,4 +1,4 @@ -thread 'main' panicked at $DIR/panic-location.rs:LL:CC: +thread 'main' ($TID) panicked at $DIR/panic-location.rs:LL:CC: capacity overflow note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace diff --git a/tests/ui/impl-trait/where-allowed.rs b/tests/ui/impl-trait/where-allowed.rs index 1c3c66c537f..04a95f7f6f0 100644 --- a/tests/ui/impl-trait/where-allowed.rs +++ b/tests/ui/impl-trait/where-allowed.rs @@ -236,17 +236,15 @@ type InTypeAliasGenericParamDefault<T = impl Debug> = T; //~^ ERROR `impl Trait` is not allowed in generic parameter defaults // Disallowed -impl <T = impl Debug> T {} -//~^ ERROR defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions -//~| WARNING this was previously accepted by the compiler but is being phased out -//~| ERROR `impl Trait` is not allowed in generic parameter defaults +#[expect(invalid_type_param_default)] +impl<T = impl Debug> T {} +//~^ ERROR `impl Trait` is not allowed in generic parameter defaults //~| ERROR no nominal type found // Disallowed +#[expect(invalid_type_param_default)] fn in_method_generic_param_default<T = impl Debug>(_: T) {} -//~^ ERROR defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions -//~| WARNING this was previously accepted by the compiler but is being phased out -//~| ERROR `impl Trait` is not allowed in generic parameter defaults +//~^ ERROR `impl Trait` is not allowed in generic parameter defaults fn main() { let _in_local_variable: impl Fn() = || {}; diff --git a/tests/ui/impl-trait/where-allowed.stderr b/tests/ui/impl-trait/where-allowed.stderr index 052ae5a9931..08caff326c4 100644 --- a/tests/ui/impl-trait/where-allowed.stderr +++ b/tests/ui/impl-trait/where-allowed.stderr @@ -311,10 +311,10 @@ LL | type InTypeAliasGenericParamDefault<T = impl Debug> = T; = note: `impl Trait` is only allowed in arguments and return types of functions and methods error[E0562]: `impl Trait` is not allowed in generic parameter defaults - --> $DIR/where-allowed.rs:239:11 + --> $DIR/where-allowed.rs:240:10 | -LL | impl <T = impl Debug> T {} - | ^^^^^^^^^^ +LL | impl<T = impl Debug> T {} + | ^^^^^^^^^^ | = note: `impl Trait` is only allowed in arguments and return types of functions and methods @@ -327,7 +327,7 @@ LL | fn in_method_generic_param_default<T = impl Debug>(_: T) {} = note: `impl Trait` is only allowed in arguments and return types of functions and methods error[E0562]: `impl Trait` is not allowed in the type of variable bindings - --> $DIR/where-allowed.rs:252:29 + --> $DIR/where-allowed.rs:250:29 | LL | let _in_local_variable: impl Fn() = || {}; | ^^^^^^^^^ @@ -338,7 +338,7 @@ LL | let _in_local_variable: impl Fn() = || {}; = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0562]: `impl Trait` is not allowed in closure return types - --> $DIR/where-allowed.rs:254:46 + --> $DIR/where-allowed.rs:252:46 | LL | let _in_return_in_local_variable = || -> impl Fn() { || {} }; | ^^^^^^^^^ @@ -368,25 +368,6 @@ LL - fn in_trait_impl_return() -> impl Debug { () } LL + fn in_trait_impl_return() -> <() as DummyTrait>::Out { () } | -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - --> $DIR/where-allowed.rs:246:36 - | -LL | fn in_method_generic_param_default<T = impl Debug>(_: T) {} - | ^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> - = note: `#[deny(invalid_type_param_default)]` on by default - -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - --> $DIR/where-allowed.rs:239:7 - | -LL | impl <T = impl Debug> T {} - | ^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> - error[E0283]: type annotations needed --> $DIR/where-allowed.rs:46:57 | @@ -408,10 +389,10 @@ LL | fn in_impl_Fn_return_in_return() -> &'static impl Fn() -> impl Debug { pani where Args: Tuple, F: Fn<Args>, A: Allocator, F: ?Sized; error[E0118]: no nominal type found for inherent implementation - --> $DIR/where-allowed.rs:239:1 + --> $DIR/where-allowed.rs:240:1 | -LL | impl <T = impl Debug> T {} - | ^^^^^^^^^^^^^^^^^^^^^^^ impl requires a nominal type +LL | impl<T = impl Debug> T {} + | ^^^^^^^^^^^^^^^^^^^^^^ impl requires a nominal type | = note: either implement a trait on it or create a newtype to wrap it instead @@ -431,29 +412,21 @@ LL | type InTypeAlias<R> = impl Debug; | = note: `InTypeAlias` must be used in combination with a concrete type within the same crate -error: aborting due to 50 previous errors +error: aborting due to 48 previous errors Some errors have detailed explanations: E0053, E0118, E0283, E0562, E0658, E0666. For more information about an error, try `rustc --explain E0053`. Future incompatibility report: Future breakage diagnostic: -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +warning: defaults for generic parameters are not allowed here --> $DIR/where-allowed.rs:246:36 | LL | fn in_method_generic_param_default<T = impl Debug>(_: T) {} | ^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> - = note: `#[deny(invalid_type_param_default)]` on by default Future breakage diagnostic: -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - --> $DIR/where-allowed.rs:239:7 - | -LL | impl <T = impl Debug> T {} - | ^^^^^^^^^^^^^^ +warning: defaults for generic parameters are not allowed here + --> $DIR/where-allowed.rs:240:6 | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> - = note: `#[deny(invalid_type_param_default)]` on by default +LL | impl<T = impl Debug> T {} + | ^^^^^^^^^^^^^^ diff --git a/tests/ui/imports/local-modularized-tricky-fail-2.stderr b/tests/ui/imports/local-modularized-tricky-fail-2.stderr index 49f5c72947f..ea4056b3d75 100644 --- a/tests/ui/imports/local-modularized-tricky-fail-2.stderr +++ b/tests/ui/imports/local-modularized-tricky-fail-2.stderr @@ -41,3 +41,47 @@ LL | define_exported!(); error: aborting due to 2 previous errors +Future incompatibility report: Future breakage diagnostic: +error: macro-expanded `macro_export` macros from the current crate cannot be referred to by absolute paths + --> $DIR/local-modularized-tricky-fail-2.rs:13:9 + | +LL | use crate::exported; + | ^^^^^^^^^^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #52234 <https://github.com/rust-lang/rust/issues/52234> +note: the macro is defined here + --> $DIR/local-modularized-tricky-fail-2.rs:5:5 + | +LL | / macro_rules! exported { +LL | | () => () +LL | | } + | |_____^ +... +LL | define_exported!(); + | ------------------ in this macro invocation + = note: `#[deny(macro_expanded_macro_exports_accessed_by_absolute_paths)]` on by default + = note: this error originates in the macro `define_exported` (in Nightly builds, run with -Z macro-backtrace for more info) + +Future breakage diagnostic: +error: macro-expanded `macro_export` macros from the current crate cannot be referred to by absolute paths + --> $DIR/local-modularized-tricky-fail-2.rs:19:5 + | +LL | crate::exported!(); + | ^^^^^^^^^^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #52234 <https://github.com/rust-lang/rust/issues/52234> +note: the macro is defined here + --> $DIR/local-modularized-tricky-fail-2.rs:5:5 + | +LL | / macro_rules! exported { +LL | | () => () +LL | | } + | |_____^ +... +LL | define_exported!(); + | ------------------ in this macro invocation + = note: `#[deny(macro_expanded_macro_exports_accessed_by_absolute_paths)]` on by default + = note: this error originates in the macro `define_exported` (in Nightly builds, run with -Z macro-backtrace for more info) + diff --git a/tests/ui/issues/issue-14919.rs b/tests/ui/inference/matcher-lifetime-inference-14919.rs index 3a834b13d07..742d43f3efe 100644 --- a/tests/ui/issues/issue-14919.rs +++ b/tests/ui/inference/matcher-lifetime-inference-14919.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/14919 + //@ run-pass #![allow(unused_must_use)] #![allow(dead_code)] diff --git a/tests/ui/infinite/infinite-instantiation-struct-tail-ice-114484.rs b/tests/ui/infinite/infinite-instantiation-struct-tail-ice-114484.rs index f50c4a5207a..f7117368ece 100644 --- a/tests/ui/infinite/infinite-instantiation-struct-tail-ice-114484.rs +++ b/tests/ui/infinite/infinite-instantiation-struct-tail-ice-114484.rs @@ -1,5 +1,6 @@ -//~ ERROR reached the recursion limit while instantiating `<VirtualWrapper<VirtualWrapper<VirtualWrapper +//~ ERROR reached the recursion limit while instantiating `<VirtualWrapper< //@ build-fail +//@ compile-flags: --diagnostic-width=100 -Zwrite-long-types-to-disk=yes // Regression test for #114484: This used to ICE during monomorphization, because we treated // `<VirtualWrapper<...> as Pointee>::Metadata` as a rigid projection after reaching the recursion diff --git a/tests/ui/infinite/infinite-instantiation-struct-tail-ice-114484.stderr b/tests/ui/infinite/infinite-instantiation-struct-tail-ice-114484.stderr index 59addc5cc4a..faf9cbe2318 100644 --- a/tests/ui/infinite/infinite-instantiation-struct-tail-ice-114484.stderr +++ b/tests/ui/infinite/infinite-instantiation-struct-tail-ice-114484.stderr @@ -17,11 +17,14 @@ error: reached the recursion limit finding the struct tail for `[u8; 256]` = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -note: the above error was encountered while instantiating `fn virtualize_my_trait::<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<SomeData<256>, 0>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>>` - --> $DIR/infinite-instantiation-struct-tail-ice-114484.rs:24:18 +note: the above error was encountered while instantiating `fn virtualize_my_trait::<VirtualWrapper<..., 1>>` + --> $DIR/infinite-instantiation-struct-tail-ice-114484.rs:25:18 | LL | unsafe { virtualize_my_trait(L, self) } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: the full name for the type has been written to '$TEST_BUILD_DIR/infinite-instantiation-struct-tail-ice-114484.long-type-$LONG_TYPE_HASH.txt' + = note: consider using `--verbose` to print the full type name to the console error: reached the recursion limit finding the struct tail for `SomeData<256>` | @@ -42,11 +45,14 @@ error: reached the recursion limit finding the struct tail for `SomeData<256>` = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -note: the above error was encountered while instantiating `fn virtualize_my_trait::<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<SomeData<256>, 0>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>>` - --> $DIR/infinite-instantiation-struct-tail-ice-114484.rs:24:18 +note: the above error was encountered while instantiating `fn virtualize_my_trait::<VirtualWrapper<..., 1>>` + --> $DIR/infinite-instantiation-struct-tail-ice-114484.rs:25:18 | LL | unsafe { virtualize_my_trait(L, self) } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: the full name for the type has been written to '$TEST_BUILD_DIR/infinite-instantiation-struct-tail-ice-114484.long-type-$LONG_TYPE_HASH.txt' + = note: consider using `--verbose` to print the full type name to the console error: reached the recursion limit finding the struct tail for `VirtualWrapper<SomeData<256>, 0>` | @@ -67,20 +73,24 @@ error: reached the recursion limit finding the struct tail for `VirtualWrapper<S = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -note: the above error was encountered while instantiating `fn virtualize_my_trait::<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<SomeData<256>, 0>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>>` - --> $DIR/infinite-instantiation-struct-tail-ice-114484.rs:24:18 +note: the above error was encountered while instantiating `fn virtualize_my_trait::<VirtualWrapper<..., 1>>` + --> $DIR/infinite-instantiation-struct-tail-ice-114484.rs:25:18 | LL | unsafe { virtualize_my_trait(L, self) } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: the full name for the type has been written to '$TEST_BUILD_DIR/infinite-instantiation-struct-tail-ice-114484.long-type-$LONG_TYPE_HASH.txt' + = note: consider using `--verbose` to print the full type name to the console -error: reached the recursion limit while instantiating `<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<..., 1>, 1>, 1>, 1>, 1> as MyTrait>::virtualize` +error: reached the recursion limit while instantiating `<VirtualWrapper<..., 1> as MyTrait>::virtualize` | note: `<VirtualWrapper<T, L> as MyTrait>::virtualize` defined here - --> $DIR/infinite-instantiation-struct-tail-ice-114484.rs:23:5 + --> $DIR/infinite-instantiation-struct-tail-ice-114484.rs:24:5 | LL | fn virtualize(&self) -> &dyn MyTrait { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: the full type name has been written to '$TEST_BUILD_DIR/infinite-instantiation-struct-tail-ice-114484.long-type.txt' + = note: the full name for the type has been written to '$TEST_BUILD_DIR/infinite-instantiation-struct-tail-ice-114484.long-type-$LONG_TYPE_HASH.txt' + = note: consider using `--verbose` to print the full type name to the console error: aborting due to 13 previous errors diff --git a/tests/ui/infinite/infinite-instantiation.rs b/tests/ui/infinite/infinite-instantiation.rs index 7898cc1ffc1..4f86f70ad14 100644 --- a/tests/ui/infinite/infinite-instantiation.rs +++ b/tests/ui/infinite/infinite-instantiation.rs @@ -1,4 +1,5 @@ //@ build-fail +//@ compile-flags: --diagnostic-width=100 -Zwrite-long-types-to-disk=yes trait ToOpt: Sized { fn to_option(&self) -> Option<Self>; diff --git a/tests/ui/infinite/infinite-instantiation.stderr b/tests/ui/infinite/infinite-instantiation.stderr index d7a4a49961a..32185844412 100644 --- a/tests/ui/infinite/infinite-instantiation.stderr +++ b/tests/ui/infinite/infinite-instantiation.stderr @@ -1,15 +1,16 @@ -error: reached the recursion limit while instantiating `function::<Option<Option<Option<Option<Option<...>>>>>>` - --> $DIR/infinite-instantiation.rs:21:9 +error: reached the recursion limit while instantiating `function::<Option<Option<Option<Option<...>>>>>` + --> $DIR/infinite-instantiation.rs:22:9 | LL | function(counter - 1, t.to_option()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: `function` defined here - --> $DIR/infinite-instantiation.rs:19:1 + --> $DIR/infinite-instantiation.rs:20:1 | LL | fn function<T:ToOpt + Clone>(counter: usize, t: T) { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: the full type name has been written to '$TEST_BUILD_DIR/infinite-instantiation.long-type.txt' + = note: the full name for the type has been written to '$TEST_BUILD_DIR/infinite-instantiation.long-type-$LONG_TYPE_HASH.txt' + = note: consider using `--verbose` to print the full type name to the console error: aborting due to 1 previous error diff --git a/tests/ui/intrinsics/const-eval-select-backtrace-std.run.stderr b/tests/ui/intrinsics/const-eval-select-backtrace-std.run.stderr index 71d792b7f77..397eeaf600a 100644 --- a/tests/ui/intrinsics/const-eval-select-backtrace-std.run.stderr +++ b/tests/ui/intrinsics/const-eval-select-backtrace-std.run.stderr @@ -1,4 +1,4 @@ -thread 'main' panicked at $DIR/const-eval-select-backtrace-std.rs:6:8: +thread 'main' ($TID) panicked at $DIR/const-eval-select-backtrace-std.rs:6:8: byte index 1 is out of bounds of `` note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace diff --git a/tests/ui/intrinsics/const-eval-select-backtrace.run.stderr b/tests/ui/intrinsics/const-eval-select-backtrace.run.stderr index 4f11f5966ed..649174017e9 100644 --- a/tests/ui/intrinsics/const-eval-select-backtrace.run.stderr +++ b/tests/ui/intrinsics/const-eval-select-backtrace.run.stderr @@ -1,4 +1,4 @@ -thread 'main' panicked at $DIR/const-eval-select-backtrace.rs:15:5: +thread 'main' ($TID) panicked at $DIR/const-eval-select-backtrace.rs:15:5: Aaah! note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace diff --git a/tests/ui/intrinsics/not-overridden.rs b/tests/ui/intrinsics/not-overridden.rs index 2359eee8b26..ce855483527 100644 --- a/tests/ui/intrinsics/not-overridden.rs +++ b/tests/ui/intrinsics/not-overridden.rs @@ -4,7 +4,7 @@ //@ build-fail //@ failure-status:101 //@ normalize-stderr: ".*note: .*\n\n" -> "" -//@ normalize-stderr: "thread 'rustc' panicked.*:\n.*\n" -> "" +//@ normalize-stderr: "thread 'rustc'.*panicked.*:\n.*\n" -> "" //@ normalize-stderr: "internal compiler error:.*: intrinsic const_deallocate " -> "" //@ rustc-env:RUST_BACKTRACE=0 diff --git a/tests/ui/issues/issue-14091-2.rs b/tests/ui/issues/issue-14091-2.rs deleted file mode 100644 index e2f6b183372..00000000000 --- a/tests/ui/issues/issue-14091-2.rs +++ /dev/null @@ -1,17 +0,0 @@ -// - -// Very - -// sensitive -pub struct BytePos(pub u32); - -// to particular - -// line numberings / offsets - -fn main() { - let x = BytePos(1); - - assert!(x, x); - //~^ ERROR cannot apply unary operator `!` to type `BytePos` -} diff --git a/tests/ui/issues/issue-14091-2.stderr b/tests/ui/issues/issue-14091-2.stderr deleted file mode 100644 index d573a0917be..00000000000 --- a/tests/ui/issues/issue-14091-2.stderr +++ /dev/null @@ -1,17 +0,0 @@ -error[E0600]: cannot apply unary operator `!` to type `BytePos` - --> $DIR/issue-14091-2.rs:15:5 - | -LL | assert!(x, x); - | ^^^^^^^^^^^^^ cannot apply unary operator `!` - | -note: an implementation of `Not` might be missing for `BytePos` - --> $DIR/issue-14091-2.rs:6:1 - | -LL | pub struct BytePos(pub u32); - | ^^^^^^^^^^^^^^^^^^ must implement `Not` -note: the trait `Not` must be implemented - --> $SRC_DIR/core/src/ops/bit.rs:LL:COL - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0600`. diff --git a/tests/ui/issues/issue-14091.rs b/tests/ui/issues/issue-14091.rs deleted file mode 100644 index 0ee20de9053..00000000000 --- a/tests/ui/issues/issue-14091.rs +++ /dev/null @@ -1,4 +0,0 @@ -fn main(){ - assert!(1,1); - //~^ ERROR mismatched types -} diff --git a/tests/ui/issues/issue-14091.stderr b/tests/ui/issues/issue-14091.stderr deleted file mode 100644 index 83879583b1f..00000000000 --- a/tests/ui/issues/issue-14091.stderr +++ /dev/null @@ -1,9 +0,0 @@ -error[E0308]: mismatched types - --> $DIR/issue-14091.rs:2:5 - | -LL | assert!(1,1); - | ^^^^^^^^^^^^ expected `bool`, found integer - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/issues/issue-14330.rs b/tests/ui/issues/issue-14330.rs deleted file mode 100644 index 11199db5901..00000000000 --- a/tests/ui/issues/issue-14330.rs +++ /dev/null @@ -1,6 +0,0 @@ -//@ check-pass -#![allow(unused_imports)] - -#[macro_use] extern crate std as std2; - -fn main() {} diff --git a/tests/ui/issues/issue-26812.rs b/tests/ui/issues/issue-26812.rs deleted file mode 100644 index 8eb030a8ec9..00000000000 --- a/tests/ui/issues/issue-26812.rs +++ /dev/null @@ -1,6 +0,0 @@ -fn avg<T=T::Item>(_: T) {} -//~^ ERROR generic parameter defaults cannot reference parameters before they are declared -//~| ERROR defaults for type parameters -//~| WARN previously accepted - -fn main() {} diff --git a/tests/ui/issues/issue-26812.stderr b/tests/ui/issues/issue-26812.stderr deleted file mode 100644 index bb60d67e287..00000000000 --- a/tests/ui/issues/issue-26812.stderr +++ /dev/null @@ -1,30 +0,0 @@ -error[E0128]: generic parameter defaults cannot reference parameters before they are declared - --> $DIR/issue-26812.rs:1:10 - | -LL | fn avg<T=T::Item>(_: T) {} - | ^^^^^^^ cannot reference `T` before it is declared - -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - --> $DIR/issue-26812.rs:1:8 - | -LL | fn avg<T=T::Item>(_: T) {} - | ^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> - = note: `#[deny(invalid_type_param_default)]` on by default - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0128`. -Future incompatibility report: Future breakage diagnostic: -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - --> $DIR/issue-26812.rs:1:8 - | -LL | fn avg<T=T::Item>(_: T) {} - | ^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> - = note: `#[deny(invalid_type_param_default)]` on by default - diff --git a/tests/ui/issues/issue-37311-type-length-limit/issue-37311.rs b/tests/ui/issues/issue-37311-type-length-limit/issue-37311.rs index 05adde45204..b978e6eb519 100644 --- a/tests/ui/issues/issue-37311-type-length-limit/issue-37311.rs +++ b/tests/ui/issues/issue-37311-type-length-limit/issue-37311.rs @@ -1,4 +1,5 @@ //@ build-fail +//@ compile-flags: --diagnostic-width=100 -Zwrite-long-types-to-disk=yes trait Mirror { type Image; diff --git a/tests/ui/issues/issue-37311-type-length-limit/issue-37311.stderr b/tests/ui/issues/issue-37311-type-length-limit/issue-37311.stderr index 945fa605e14..835f1c6442a 100644 --- a/tests/ui/issues/issue-37311-type-length-limit/issue-37311.stderr +++ b/tests/ui/issues/issue-37311-type-length-limit/issue-37311.stderr @@ -1,15 +1,16 @@ -error: reached the recursion limit while instantiating `<(&(&(..., ...), ...), ...) as Foo>::recurse` - --> $DIR/issue-37311.rs:16:9 +error: reached the recursion limit while instantiating `<(&(&(&..., ...), ...), ...) as Foo>::recurse` + --> $DIR/issue-37311.rs:17:9 | LL | (self, self).recurse(); | ^^^^^^^^^^^^^^^^^^^^^^ | note: `<T as Foo>::recurse` defined here - --> $DIR/issue-37311.rs:15:5 + --> $DIR/issue-37311.rs:16:5 | LL | fn recurse(&self) { | ^^^^^^^^^^^^^^^^^ - = note: the full type name has been written to '$TEST_BUILD_DIR/issue-37311.long-type.txt' + = note: the full name for the type has been written to '$TEST_BUILD_DIR/issue-37311.long-type-$LONG_TYPE_HASH.txt' + = note: consider using `--verbose` to print the full type name to the console error: aborting due to 1 previous error diff --git a/tests/ui/issues/issue-8727.rs b/tests/ui/issues/issue-8727.rs index 1883287f140..c1b60e8e085 100644 --- a/tests/ui/issues/issue-8727.rs +++ b/tests/ui/issues/issue-8727.rs @@ -2,6 +2,7 @@ // recursions. //@ build-fail +//@ compile-flags: --diagnostic-width=100 -Zwrite-long-types-to-disk=yes fn generic<T>() { //~ WARN function cannot return without recursing generic::<Option<T>>(); diff --git a/tests/ui/issues/issue-8727.stderr b/tests/ui/issues/issue-8727.stderr index 04158962a01..9fb09a7d4f4 100644 --- a/tests/ui/issues/issue-8727.stderr +++ b/tests/ui/issues/issue-8727.stderr @@ -1,5 +1,5 @@ warning: function cannot return without recursing - --> $DIR/issue-8727.rs:6:1 + --> $DIR/issue-8727.rs:7:1 | LL | fn generic<T>() { | ^^^^^^^^^^^^^^^ cannot return without recursing @@ -9,18 +9,19 @@ LL | generic::<Option<T>>(); = help: a `loop` may express intention better if this is on purpose = note: `#[warn(unconditional_recursion)]` on by default -error: reached the recursion limit while instantiating `generic::<Option<Option<Option<Option<Option<...>>>>>>` - --> $DIR/issue-8727.rs:7:5 +error: reached the recursion limit while instantiating `generic::<Option<Option<Option<Option<...>>>>>` + --> $DIR/issue-8727.rs:8:5 | LL | generic::<Option<T>>(); | ^^^^^^^^^^^^^^^^^^^^^^ | note: `generic` defined here - --> $DIR/issue-8727.rs:6:1 + --> $DIR/issue-8727.rs:7:1 | LL | fn generic<T>() { | ^^^^^^^^^^^^^^^ - = note: the full type name has been written to '$TEST_BUILD_DIR/issue-8727.long-type.txt' + = note: the full name for the type has been written to '$TEST_BUILD_DIR/issue-8727.long-type-$LONG_TYPE_HASH.txt' + = note: consider using `--verbose` to print the full type name to the console error: aborting due to 1 previous error; 1 warning emitted diff --git a/tests/ui/issues/issue-87707.run.stderr b/tests/ui/issues/issue-87707.run.stderr index eb1d65a081f..8485c0578b8 100644 --- a/tests/ui/issues/issue-87707.run.stderr +++ b/tests/ui/issues/issue-87707.run.stderr @@ -1,7 +1,7 @@ -thread 'main' panicked at $DIR/issue-87707.rs:14:24: +thread 'main' ($TID) panicked at $DIR/issue-87707.rs:14:24: Here Once instance is poisoned. note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace -thread 'main' panicked at $DIR/issue-87707.rs:16:7: +thread 'main' ($TID) panicked at $DIR/issue-87707.rs:16:7: Once instance has previously been poisoned diff --git a/tests/ui/issues/issue-9188.rs b/tests/ui/issues/issue-9188.rs deleted file mode 100644 index df2f90a0f16..00000000000 --- a/tests/ui/issues/issue-9188.rs +++ /dev/null @@ -1,11 +0,0 @@ -//@ run-pass -//@ aux-build:issue-9188.rs - - -extern crate issue_9188; - -pub fn main() { - let a = issue_9188::bar(); - let b = issue_9188::foo::<isize>(); - assert_eq!(*a, *b); -} diff --git a/tests/ui/issues/issue-23966.rs b/tests/ui/iterators/fold-iterator-error-23966.rs index 5fdec28ac2c..970c943da0b 100644 --- a/tests/ui/issues/issue-23966.rs +++ b/tests/ui/iterators/fold-iterator-error-23966.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/23966 fn main() { "".chars().fold(|_, _| (), ()); //~^ ERROR E0277 diff --git a/tests/ui/issues/issue-23966.stderr b/tests/ui/iterators/fold-iterator-error-23966.stderr index 3f7a4fa312f..15249a93597 100644 --- a/tests/ui/issues/issue-23966.stderr +++ b/tests/ui/iterators/fold-iterator-error-23966.stderr @@ -1,5 +1,5 @@ error[E0277]: expected a `FnMut(_, char)` closure, found `()` - --> $DIR/issue-23966.rs:2:32 + --> $DIR/fold-iterator-error-23966.rs:3:32 | LL | "".chars().fold(|_, _| (), ()); | ---- ^^ expected an `FnMut(_, char)` closure, found `()` diff --git a/tests/ui/layout/valid_range_oob.rs b/tests/ui/layout/valid_range_oob.rs index df816e74066..8ae9f6e9726 100644 --- a/tests/ui/layout/valid_range_oob.rs +++ b/tests/ui/layout/valid_range_oob.rs @@ -1,6 +1,6 @@ //@ failure-status: 101 //@ normalize-stderr: "note: .*\n\n" -> "" -//@ normalize-stderr: "thread 'rustc' panicked.*\n" -> "" +//@ normalize-stderr: "thread 'rustc'.*panicked.*\n" -> "" //@ rustc-env:RUST_BACKTRACE=0 #![feature(rustc_attrs)] diff --git a/tests/ui/issues/issue-14285.rs b/tests/ui/lifetimes/explicit-lifetime-required-14285.rs index 2ba9ff71773..3f43dcf8366 100644 --- a/tests/ui/issues/issue-14285.rs +++ b/tests/ui/lifetimes/explicit-lifetime-required-14285.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/14285 + trait Foo { fn dummy(&self) { } } diff --git a/tests/ui/issues/issue-14285.stderr b/tests/ui/lifetimes/explicit-lifetime-required-14285.stderr index edd139eecba..576de45f94f 100644 --- a/tests/ui/issues/issue-14285.stderr +++ b/tests/ui/lifetimes/explicit-lifetime-required-14285.stderr @@ -1,5 +1,5 @@ error[E0621]: explicit lifetime required in the type of `a` - --> $DIR/issue-14285.rs:12:5 + --> $DIR/explicit-lifetime-required-14285.rs:14:5 | LL | B(a) | ^^^^ lifetime `'a` required diff --git a/tests/ui/issues/issue-13703.rs b/tests/ui/lifetimes/lifetime-bound-whitespace-13703.rs index b385e6b9d2e..79b85e4c132 100644 --- a/tests/ui/issues/issue-13703.rs +++ b/tests/ui/lifetimes/lifetime-bound-whitespace-13703.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/13703 + //@ check-pass pub struct Foo<'a, 'b: 'a> { foo: &'a &'b isize } diff --git a/tests/ui/issues/issue-15735.rs b/tests/ui/lifetimes/lifetime-inference-miss-15735.rs index f5b3803f155..c75d59a2f4b 100644 --- a/tests/ui/issues/issue-15735.rs +++ b/tests/ui/lifetimes/lifetime-inference-miss-15735.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/15735 //@ check-pass #![allow(dead_code)] struct A<'a> { diff --git a/tests/ui/issues/issue-13497.rs b/tests/ui/lifetimes/missing-lifetime-specifier-13497.rs index 4b2795aa841..6f4ef0b5620 100644 --- a/tests/ui/issues/issue-13497.rs +++ b/tests/ui/lifetimes/missing-lifetime-specifier-13497.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/13497 + fn read_lines_borrowed1() -> Vec< &str //~ ERROR missing lifetime specifier > { diff --git a/tests/ui/issues/issue-13497.stderr b/tests/ui/lifetimes/missing-lifetime-specifier-13497.stderr index ee111f1d262..99f4fa04f12 100644 --- a/tests/ui/issues/issue-13497.stderr +++ b/tests/ui/lifetimes/missing-lifetime-specifier-13497.stderr @@ -1,5 +1,5 @@ error[E0106]: missing lifetime specifier - --> $DIR/issue-13497.rs:2:5 + --> $DIR/missing-lifetime-specifier-13497.rs:4:5 | LL | &str | ^ expected named lifetime parameter diff --git a/tests/ui/issues/issue-14901.rs b/tests/ui/lifetimes/reader-wrapper-trait-14901.rs index ddc12b9ef3c..672872af03a 100644 --- a/tests/ui/issues/issue-14901.rs +++ b/tests/ui/lifetimes/reader-wrapper-trait-14901.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/14901 + //@ check-pass pub trait Reader {} diff --git a/tests/ui/lifetimes/ref-pattern-lifetime-annotation-13665.rs b/tests/ui/lifetimes/ref-pattern-lifetime-annotation-13665.rs new file mode 100644 index 00000000000..bae2f73baa3 --- /dev/null +++ b/tests/ui/lifetimes/ref-pattern-lifetime-annotation-13665.rs @@ -0,0 +1,16 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/13665 + +//@ run-pass + +fn foo<'r>() { + let maybe_value_ref: Option<&'r u8> = None; + + let _ = maybe_value_ref.map(|& ref v| v); + let _ = maybe_value_ref.map(|& ref v| -> &'r u8 {v}); + let _ = maybe_value_ref.map(|& ref v: &'r u8| -> &'r u8 {v}); + let _ = maybe_value_ref.map(|& ref v: &'r u8| {v}); +} + +fn main() { + foo(); +} diff --git a/tests/ui/issues/issue-13497-2.rs b/tests/ui/lifetimes/return-reference-local-variable-13497.rs index c82da0f0096..1ca8074164b 100644 --- a/tests/ui/issues/issue-13497-2.rs +++ b/tests/ui/lifetimes/return-reference-local-variable-13497.rs @@ -1,7 +1,11 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/13497 + fn read_lines_borrowed<'a>() -> Vec<&'a str> { let rawLines: Vec<String> = vec!["foo ".to_string(), " bar".to_string()]; rawLines //~ ERROR cannot return value referencing local variable `rawLines` - .iter().map(|l| l.trim()).collect() + .iter() + .map(|l| l.trim()) + .collect() } fn main() {} diff --git a/tests/ui/issues/issue-13497-2.stderr b/tests/ui/lifetimes/return-reference-local-variable-13497.stderr index e2ba1150d07..f5419f114ca 100644 --- a/tests/ui/issues/issue-13497-2.stderr +++ b/tests/ui/lifetimes/return-reference-local-variable-13497.stderr @@ -1,13 +1,15 @@ error[E0515]: cannot return value referencing local variable `rawLines` - --> $DIR/issue-13497-2.rs:3:5 + --> $DIR/return-reference-local-variable-13497.rs:5:5 | LL | rawLines | ^------- | | | _____`rawLines` is borrowed here | | -LL | | .iter().map(|l| l.trim()).collect() - | |___________________________________________^ returns a value referencing data owned by the current function +LL | | .iter() +LL | | .map(|l| l.trim()) +LL | | .collect() + | |__________________^ returns a value referencing data owned by the current function error: aborting due to 1 previous error diff --git a/tests/ui/issues/issue-14821.rs b/tests/ui/lifetimes/trait-object-constructor-14821.rs index b11a885b3a0..76f0c7514bc 100644 --- a/tests/ui/issues/issue-14821.rs +++ b/tests/ui/lifetimes/trait-object-constructor-14821.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/14821 + //@ run-pass #![allow(dead_code)] #![allow(unused_variables)] diff --git a/tests/ui/lifetimes/unusual-rib-combinations.rs b/tests/ui/lifetimes/unusual-rib-combinations.rs index 0e92b41ae1e..b3e9642332b 100644 --- a/tests/ui/lifetimes/unusual-rib-combinations.rs +++ b/tests/ui/lifetimes/unusual-rib-combinations.rs @@ -14,7 +14,7 @@ fn b<const C: u8()>() {} // Paren generic args in AnonymousReportError fn c<T = u8()>() {} //~^ ERROR parenthesized type parameters may only be used with a `Fn` trait -//~| ERROR defaults for type parameters are only allowed in +//~| ERROR defaults for generic parameters are not allowed here //~| WARN this was previously accepted // Elided lifetime in path in ConstGeneric diff --git a/tests/ui/lifetimes/unusual-rib-combinations.stderr b/tests/ui/lifetimes/unusual-rib-combinations.stderr index 7373ca8cf84..bd68479c58c 100644 --- a/tests/ui/lifetimes/unusual-rib-combinations.stderr +++ b/tests/ui/lifetimes/unusual-rib-combinations.stderr @@ -22,7 +22,7 @@ error[E0214]: parenthesized type parameters may only be used with a `Fn` trait LL | fn c<T = u8()>() {} | ^^^^ only `Fn` traits may use parentheses -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/unusual-rib-combinations.rs:15:6 | LL | fn c<T = u8()>() {} @@ -43,7 +43,7 @@ error: aborting due to 6 previous errors Some errors have detailed explanations: E0106, E0214, E0308, E0770. For more information about an error, try `rustc --explain E0106`. Future incompatibility report: Future breakage diagnostic: -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/unusual-rib-combinations.rs:15:6 | LL | fn c<T = u8()>() {} diff --git a/tests/ui/limits/type-length-limit-enforcement.rs b/tests/ui/limits/type-length-limit-enforcement.rs index 3b34d6eb5c8..604435dc326 100644 --- a/tests/ui/limits/type-length-limit-enforcement.rs +++ b/tests/ui/limits/type-length-limit-enforcement.rs @@ -3,7 +3,7 @@ //! Checks the enforcement of the type-length limit //! and its configurability via `#![type_length_limit]`. -//@ compile-flags: -Copt-level=0 -Zenforce-type-length-limit +//@ compile-flags: -Copt-level=0 -Zenforce-type-length-limit --diagnostic-width=100 -Zwrite-long-types-to-disk=yes //@ build-fail diff --git a/tests/ui/limits/type-length-limit-enforcement.stderr b/tests/ui/limits/type-length-limit-enforcement.stderr index 516230ae832..bfea0b5a448 100644 --- a/tests/ui/limits/type-length-limit-enforcement.stderr +++ b/tests/ui/limits/type-length-limit-enforcement.stderr @@ -1,11 +1,12 @@ -error: reached the type-length limit while instantiating `std::mem::drop::<Option<((((..., ..., ...), ..., ...), ..., ...), ..., ...)>>` +error: reached the type-length limit while instantiating `drop::<Option<((..., ..., ...), ..., ...)>>` --> $DIR/type-length-limit-enforcement.rs:34:5 | LL | drop::<Option<A>>(None); | ^^^^^^^^^^^^^^^^^^^^^^^ | = help: consider adding a `#![type_length_limit="4010"]` attribute to your crate - = note: the full type name has been written to '$TEST_BUILD_DIR/type-length-limit-enforcement.long-type.txt' + = note: the full name for the type has been written to '$TEST_BUILD_DIR/type-length-limit-enforcement.long-type-$LONG_TYPE_HASH.txt' + = note: consider using `--verbose` to print the full type name to the console error: reached the type-length limit while instantiating `<{closure@rt::lang_start<()>::{closure#0}} as FnMut<()>>::call_mut` | diff --git a/tests/ui/lint/semicolon-in-expressions-from-macros/warn-semicolon-in-expressions-from-macros.rs b/tests/ui/lint/semicolon-in-expressions-from-macros/warn-semicolon-in-expressions-from-macros.rs index 05fbfec2ae5..8ec70a17864 100644 --- a/tests/ui/lint/semicolon-in-expressions-from-macros/warn-semicolon-in-expressions-from-macros.rs +++ b/tests/ui/lint/semicolon-in-expressions-from-macros/warn-semicolon-in-expressions-from-macros.rs @@ -1,9 +1,8 @@ -//@ check-pass -// Ensure that trailing semicolons cause warnings by default +// Ensure that trailing semicolons cause errors by default macro_rules! foo { () => { - true; //~ WARN trailing semicolon in macro + true; //~ ERROR trailing semicolon in macro //~| WARN this was previously } } diff --git a/tests/ui/lint/semicolon-in-expressions-from-macros/warn-semicolon-in-expressions-from-macros.stderr b/tests/ui/lint/semicolon-in-expressions-from-macros/warn-semicolon-in-expressions-from-macros.stderr index 0fec4996f1a..99cdcafab39 100644 --- a/tests/ui/lint/semicolon-in-expressions-from-macros/warn-semicolon-in-expressions-from-macros.stderr +++ b/tests/ui/lint/semicolon-in-expressions-from-macros/warn-semicolon-in-expressions-from-macros.stderr @@ -1,5 +1,5 @@ -warning: trailing semicolon in macro used in expression position - --> $DIR/warn-semicolon-in-expressions-from-macros.rs:6:13 +error: trailing semicolon in macro used in expression position + --> $DIR/warn-semicolon-in-expressions-from-macros.rs:5:13 | LL | true; | ^ @@ -9,14 +9,14 @@ LL | _ => foo!() | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813> - = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default - = note: this warning originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info) + = note: `#[deny(semicolon_in_expressions_from_macros)]` on by default + = note: this error originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info) -warning: 1 warning emitted +error: aborting due to 1 previous error Future incompatibility report: Future breakage diagnostic: -warning: trailing semicolon in macro used in expression position - --> $DIR/warn-semicolon-in-expressions-from-macros.rs:6:13 +error: trailing semicolon in macro used in expression position + --> $DIR/warn-semicolon-in-expressions-from-macros.rs:5:13 | LL | true; | ^ @@ -26,6 +26,6 @@ LL | _ => foo!() | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813> - = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default - = note: this warning originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info) + = note: `#[deny(semicolon_in_expressions_from_macros)]` on by default + = note: this error originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info) diff --git a/tests/ui/lint/unused/unused-attr-duplicate.stderr b/tests/ui/lint/unused/unused-attr-duplicate.stderr index e277f5203c6..6c44e884ba5 100644 --- a/tests/ui/lint/unused/unused-attr-duplicate.stderr +++ b/tests/ui/lint/unused/unused-attr-duplicate.stderr @@ -16,19 +16,6 @@ LL | #![deny(unused_attributes)] | ^^^^^^^^^^^^^^^^^ error: unused attribute - --> $DIR/unused-attr-duplicate.rs:55:1 - | -LL | #[should_panic(expected = "values don't match")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this attribute - | -note: attribute also specified here - --> $DIR/unused-attr-duplicate.rs:54:1 - | -LL | #[should_panic] - | ^^^^^^^^^^^^^^^ - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - -error: unused attribute --> $DIR/unused-attr-duplicate.rs:14:1 | LL | #![crate_name = "unused_attr_duplicate2"] @@ -154,6 +141,19 @@ LL | #[ignore] | ^^^^^^^^^ error: unused attribute + --> $DIR/unused-attr-duplicate.rs:55:1 + | +LL | #[should_panic(expected = "values don't match")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this attribute + | +note: attribute also specified here + --> $DIR/unused-attr-duplicate.rs:54:1 + | +LL | #[should_panic] + | ^^^^^^^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + +error: unused attribute --> $DIR/unused-attr-duplicate.rs:60:1 | LL | #[must_use = "some message"] diff --git a/tests/ui/issues/issue-75704.rs b/tests/ui/loops/infinite-loop-simplify-cfg-75704.rs index 1672bf0b4c3..8bc5fba7a68 100644 --- a/tests/ui/issues/issue-75704.rs +++ b/tests/ui/loops/infinite-loop-simplify-cfg-75704.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/75704 // Caused an infinite loop during SimlifyCfg MIR transform previously. // //@ build-pass diff --git a/tests/ui/macros/assert-long-condition.run.stderr b/tests/ui/macros/assert-long-condition.run.stderr index c2c5fe5d7d5..a9fac037143 100644 --- a/tests/ui/macros/assert-long-condition.run.stderr +++ b/tests/ui/macros/assert-long-condition.run.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at $DIR/assert-long-condition.rs:7:5: +thread 'main' ($TID) panicked at $DIR/assert-long-condition.rs:7:5: assertion failed: 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 + 11 + 12 + 13 + 14 + 15 + 16 + 17 + 18 + 19 + 20 + 21 + 22 + 23 + 24 + 25 == 0 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace diff --git a/tests/ui/macros/lint-trailing-macro-call.rs b/tests/ui/macros/lint-trailing-macro-call.rs index 78b861f1df1..25fa91062c4 100644 --- a/tests/ui/macros/lint-trailing-macro-call.rs +++ b/tests/ui/macros/lint-trailing-macro-call.rs @@ -1,12 +1,10 @@ -//@ check-pass -// // Ensures that we properly lint // a removed 'expression' resulting from a macro // in trailing expression position macro_rules! expand_it { () => { - #[cfg(false)] 25; //~ WARN trailing semicolon in macro + #[cfg(false)] 25; //~ ERROR trailing semicolon in macro //~| WARN this was previously } } diff --git a/tests/ui/macros/lint-trailing-macro-call.stderr b/tests/ui/macros/lint-trailing-macro-call.stderr index 223b85e112e..3fd1ea81345 100644 --- a/tests/ui/macros/lint-trailing-macro-call.stderr +++ b/tests/ui/macros/lint-trailing-macro-call.stderr @@ -1,5 +1,5 @@ -warning: trailing semicolon in macro used in expression position - --> $DIR/lint-trailing-macro-call.rs:9:25 +error: trailing semicolon in macro used in expression position + --> $DIR/lint-trailing-macro-call.rs:7:25 | LL | #[cfg(false)] 25; | ^ @@ -11,14 +11,14 @@ LL | expand_it!() = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813> = note: macro invocations at the end of a block are treated as expressions = note: to ignore the value produced by the macro, add a semicolon after the invocation of `expand_it` - = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default - = note: this warning originates in the macro `expand_it` (in Nightly builds, run with -Z macro-backtrace for more info) + = note: `#[deny(semicolon_in_expressions_from_macros)]` on by default + = note: this error originates in the macro `expand_it` (in Nightly builds, run with -Z macro-backtrace for more info) -warning: 1 warning emitted +error: aborting due to 1 previous error Future incompatibility report: Future breakage diagnostic: -warning: trailing semicolon in macro used in expression position - --> $DIR/lint-trailing-macro-call.rs:9:25 +error: trailing semicolon in macro used in expression position + --> $DIR/lint-trailing-macro-call.rs:7:25 | LL | #[cfg(false)] 25; | ^ @@ -30,6 +30,6 @@ LL | expand_it!() = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813> = note: macro invocations at the end of a block are treated as expressions = note: to ignore the value produced by the macro, add a semicolon after the invocation of `expand_it` - = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default - = note: this warning originates in the macro `expand_it` (in Nightly builds, run with -Z macro-backtrace for more info) + = note: `#[deny(semicolon_in_expressions_from_macros)]` on by default + = note: this error originates in the macro `expand_it` (in Nightly builds, run with -Z macro-backtrace for more info) diff --git a/tests/ui/macros/macro-context.rs b/tests/ui/macros/macro-context.rs index a31470263a0..e1c24ba8b57 100644 --- a/tests/ui/macros/macro-context.rs +++ b/tests/ui/macros/macro-context.rs @@ -6,7 +6,7 @@ macro_rules! m { //~| ERROR macro expansion ignores `;` //~| ERROR cannot find type `i` in this scope //~| ERROR cannot find value `i` in this scope - //~| WARN trailing semicolon in macro + //~| ERROR trailing semicolon in macro //~| WARN this was previously } diff --git a/tests/ui/macros/macro-context.stderr b/tests/ui/macros/macro-context.stderr index 4820a43f00c..6b49c05f360 100644 --- a/tests/ui/macros/macro-context.stderr +++ b/tests/ui/macros/macro-context.stderr @@ -64,7 +64,7 @@ LL | let i = m!(); | = note: this error originates in the macro `m` (in Nightly builds, run with -Z macro-backtrace for more info) -warning: trailing semicolon in macro used in expression position +error: trailing semicolon in macro used in expression position --> $DIR/macro-context.rs:3:15 | LL | () => ( i ; typeof ); @@ -75,15 +75,15 @@ LL | let i = m!(); | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813> - = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default - = note: this warning originates in the macro `m` (in Nightly builds, run with -Z macro-backtrace for more info) + = note: `#[deny(semicolon_in_expressions_from_macros)]` on by default + = note: this error originates in the macro `m` (in Nightly builds, run with -Z macro-backtrace for more info) -error: aborting due to 6 previous errors; 1 warning emitted +error: aborting due to 7 previous errors Some errors have detailed explanations: E0412, E0425. For more information about an error, try `rustc --explain E0412`. Future incompatibility report: Future breakage diagnostic: -warning: trailing semicolon in macro used in expression position +error: trailing semicolon in macro used in expression position --> $DIR/macro-context.rs:3:15 | LL | () => ( i ; typeof ); @@ -94,6 +94,6 @@ LL | let i = m!(); | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813> - = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default - = note: this warning originates in the macro `m` (in Nightly builds, run with -Z macro-backtrace for more info) + = note: `#[deny(semicolon_in_expressions_from_macros)]` on by default + = note: this error originates in the macro `m` (in Nightly builds, run with -Z macro-backtrace for more info) diff --git a/tests/ui/macros/macro-in-expression-context.fixed b/tests/ui/macros/macro-in-expression-context.fixed index 7c830707ffd..52e1b429e48 100644 --- a/tests/ui/macros/macro-in-expression-context.fixed +++ b/tests/ui/macros/macro-in-expression-context.fixed @@ -3,12 +3,12 @@ macro_rules! foo { () => { assert_eq!("A", "A"); - //~^ WARN trailing semicolon in macro + //~^ ERROR trailing semicolon in macro //~| WARN this was previously //~| NOTE macro invocations at the end of a block //~| NOTE to ignore the value produced by the macro //~| NOTE for more information - //~| NOTE `#[warn(semicolon_in_expressions_from_macros)]` on by default + //~| NOTE `#[deny(semicolon_in_expressions_from_macros)]` on by default assert_eq!("B", "B"); } //~^^ ERROR macro expansion ignores `assert_eq` and any tokens following diff --git a/tests/ui/macros/macro-in-expression-context.rs b/tests/ui/macros/macro-in-expression-context.rs index da95017aa5f..5c560e78dad 100644 --- a/tests/ui/macros/macro-in-expression-context.rs +++ b/tests/ui/macros/macro-in-expression-context.rs @@ -3,12 +3,12 @@ macro_rules! foo { () => { assert_eq!("A", "A"); - //~^ WARN trailing semicolon in macro + //~^ ERROR trailing semicolon in macro //~| WARN this was previously //~| NOTE macro invocations at the end of a block //~| NOTE to ignore the value produced by the macro //~| NOTE for more information - //~| NOTE `#[warn(semicolon_in_expressions_from_macros)]` on by default + //~| NOTE `#[deny(semicolon_in_expressions_from_macros)]` on by default assert_eq!("B", "B"); } //~^^ ERROR macro expansion ignores `assert_eq` and any tokens following diff --git a/tests/ui/macros/macro-in-expression-context.stderr b/tests/ui/macros/macro-in-expression-context.stderr index 43419f2678c..b04348d7010 100644 --- a/tests/ui/macros/macro-in-expression-context.stderr +++ b/tests/ui/macros/macro-in-expression-context.stderr @@ -13,7 +13,7 @@ help: you might be missing a semicolon here LL | foo!(); | + -warning: trailing semicolon in macro used in expression position +error: trailing semicolon in macro used in expression position --> $DIR/macro-in-expression-context.rs:5:29 | LL | assert_eq!("A", "A"); @@ -26,13 +26,13 @@ LL | foo!() = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813> = note: macro invocations at the end of a block are treated as expressions = note: to ignore the value produced by the macro, add a semicolon after the invocation of `foo` - = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default - = note: this warning originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info) + = note: `#[deny(semicolon_in_expressions_from_macros)]` on by default + = note: this error originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info) -error: aborting due to 1 previous error; 1 warning emitted +error: aborting due to 2 previous errors Future incompatibility report: Future breakage diagnostic: -warning: trailing semicolon in macro used in expression position +error: trailing semicolon in macro used in expression position --> $DIR/macro-in-expression-context.rs:5:29 | LL | assert_eq!("A", "A"); @@ -45,6 +45,6 @@ LL | foo!() = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813> = note: macro invocations at the end of a block are treated as expressions = note: to ignore the value produced by the macro, add a semicolon after the invocation of `foo` - = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default - = note: this warning originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info) + = note: `#[deny(semicolon_in_expressions_from_macros)]` on by default + = note: this error originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info) diff --git a/tests/ui/issues/issue-14865.rs b/tests/ui/match/guard-pattern-ordering-14865.rs index e0f8bfe9428..a789599c566 100644 --- a/tests/ui/issues/issue-14865.rs +++ b/tests/ui/match/guard-pattern-ordering-14865.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/14865 + //@ run-pass #![allow(dead_code)] diff --git a/tests/ui/issues/issue-13867.rs b/tests/ui/match/multiple-refutable-patterns-13867.rs index ad7d6d66393..a308219a9b2 100644 --- a/tests/ui/issues/issue-13867.rs +++ b/tests/ui/match/multiple-refutable-patterns-13867.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/13867 + //@ run-pass // Test that codegen works correctly when there are multiple refutable // patterns in match expression. diff --git a/tests/ui/issues/issue-14393.rs b/tests/ui/match/tuple-usize-pattern-14393.rs index 69c3fc15d31..12d58d4c059 100644 --- a/tests/ui/issues/issue-14393.rs +++ b/tests/ui/match/tuple-usize-pattern-14393.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/14393 + //@ run-pass fn main() { diff --git a/tests/ui/issues/issue-19100.fixed b/tests/ui/match/unreachable-pattern-if-variant-not-imported-19100.fixed index 1162490048c..40c92322519 100644 --- a/tests/ui/issues/issue-19100.fixed +++ b/tests/ui/match/unreachable-pattern-if-variant-not-imported-19100.fixed @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/19100 //@ run-rustfix #![allow(non_snake_case)] diff --git a/tests/ui/issues/issue-19100.rs b/tests/ui/match/unreachable-pattern-if-variant-not-imported-19100.rs index fefed0daa72..9ef6fd77b50 100644 --- a/tests/ui/issues/issue-19100.rs +++ b/tests/ui/match/unreachable-pattern-if-variant-not-imported-19100.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/19100 //@ run-rustfix #![allow(non_snake_case)] diff --git a/tests/ui/issues/issue-19100.stderr b/tests/ui/match/unreachable-pattern-if-variant-not-imported-19100.stderr index ebbf083b7de..7356a4a003b 100644 --- a/tests/ui/issues/issue-19100.stderr +++ b/tests/ui/match/unreachable-pattern-if-variant-not-imported-19100.stderr @@ -1,5 +1,5 @@ error[E0170]: pattern binding `Bar` is named the same as one of the variants of the type `Foo` - --> $DIR/issue-19100.rs:17:1 + --> $DIR/unreachable-pattern-if-variant-not-imported-19100.rs:18:1 | LL | Bar if true | ^^^ help: to match on the variant, qualify the path: `Foo::Bar` @@ -7,7 +7,7 @@ LL | Bar if true = note: `#[deny(bindings_with_variant_name)]` on by default error[E0170]: pattern binding `Baz` is named the same as one of the variants of the type `Foo` - --> $DIR/issue-19100.rs:21:1 + --> $DIR/unreachable-pattern-if-variant-not-imported-19100.rs:22:1 | LL | Baz if false | ^^^ help: to match on the variant, qualify the path: `Foo::Baz` diff --git a/tests/ui/methods/issues/issue-105732.stderr b/tests/ui/methods/issues/issue-105732.stderr index 6244f983550..93ce695f27b 100644 --- a/tests/ui/methods/issues/issue-105732.stderr +++ b/tests/ui/methods/issues/issue-105732.stderr @@ -4,7 +4,7 @@ error[E0380]: auto traits cannot have associated items LL | auto trait Foo { | --- auto traits cannot have associated items LL | fn g(&self); - | ---^-------- help: remove these associated items + | ^ error[E0599]: no method named `g` found for reference `&Self` in the current scope --> $DIR/issue-105732.rs:10:14 diff --git a/tests/ui/issues/issue-22684.rs b/tests/ui/methods/trait-method-resolution-over-inherent-22684.rs index a5b042706ed..9f317b576e6 100644 --- a/tests/ui/issues/issue-22684.rs +++ b/tests/ui/methods/trait-method-resolution-over-inherent-22684.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/22684 mod foo { pub struct Foo; impl Foo { diff --git a/tests/ui/issues/issue-22684.stderr b/tests/ui/methods/trait-method-resolution-over-inherent-22684.stderr index e2ca54caeac..0ab7701fa9e 100644 --- a/tests/ui/issues/issue-22684.stderr +++ b/tests/ui/methods/trait-method-resolution-over-inherent-22684.stderr @@ -1,5 +1,5 @@ error[E0308]: mismatched types - --> $DIR/issue-22684.rs:17:17 + --> $DIR/trait-method-resolution-over-inherent-22684.rs:18:17 | LL | let _: () = foo::Foo.bar(); | -- ^^^^^^^^^^^^^^ expected `()`, found `bool` diff --git a/tests/ui/mir/lint/storage-live.rs b/tests/ui/mir/lint/storage-live.rs index 252e3b8456c..32bd32754dd 100644 --- a/tests/ui/mir/lint/storage-live.rs +++ b/tests/ui/mir/lint/storage-live.rs @@ -1,7 +1,7 @@ //@ compile-flags: -Zlint-mir -Ztreat-err-as-bug //@ failure-status: 101 //@ normalize-stderr: "note: .*\n\n" -> "" -//@ normalize-stderr: "thread 'rustc' panicked.*\n" -> "" +//@ normalize-stderr: "thread 'rustc'.*panicked.*\n" -> "" //@ normalize-stderr: "storage_live\[....\]" -> "storage_live[HASH]" //@ normalize-stderr: "(delayed at [^:]+):\d+:\d+ - " -> "$1:LL:CC - " //@ rustc-env:RUST_BACKTRACE=0 diff --git a/tests/ui/issues/issue-24352.rs b/tests/ui/mismatched_types/float-integer-subtraction-error-24352.rs index 5c8246d179f..eb632398c62 100644 --- a/tests/ui/issues/issue-24352.rs +++ b/tests/ui/mismatched_types/float-integer-subtraction-error-24352.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/24352 fn main() { 1.0f64 - 1.0; 1.0f64 - 1 //~ ERROR E0277 diff --git a/tests/ui/issues/issue-24352.stderr b/tests/ui/mismatched_types/float-integer-subtraction-error-24352.stderr index 3e0f812b5c7..7dc1fa777fc 100644 --- a/tests/ui/issues/issue-24352.stderr +++ b/tests/ui/mismatched_types/float-integer-subtraction-error-24352.stderr @@ -1,5 +1,5 @@ error[E0277]: cannot subtract `{integer}` from `f64` - --> $DIR/issue-24352.rs:3:12 + --> $DIR/float-integer-subtraction-error-24352.rs:4:12 | LL | 1.0f64 - 1 | ^ no implementation for `f64 - {integer}` diff --git a/tests/ui/issues/issue-50585.rs b/tests/ui/mismatched_types/for-loop-in-vec-type-mismatchrs-50585.rs index ca2ece8d53b..4abef0bee81 100644 --- a/tests/ui/issues/issue-50585.rs +++ b/tests/ui/mismatched_types/for-loop-in-vec-type-mismatchrs-50585.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/50585 fn main() { |y: Vec<[(); for x in 0..2 {}]>| {}; //~^ ERROR mismatched types diff --git a/tests/ui/issues/issue-50585.stderr b/tests/ui/mismatched_types/for-loop-in-vec-type-mismatchrs-50585.stderr index 7e83ea35fbb..d60d97a02ab 100644 --- a/tests/ui/issues/issue-50585.stderr +++ b/tests/ui/mismatched_types/for-loop-in-vec-type-mismatchrs-50585.stderr @@ -1,5 +1,5 @@ error[E0308]: mismatched types - --> $DIR/issue-50585.rs:2:18 + --> $DIR/for-loop-in-vec-type-mismatchrs-50585.rs:3:18 | LL | |y: Vec<[(); for x in 0..2 {}]>| {}; | ^^^^^^^^^^^^^^^^ expected `usize`, found `()` diff --git a/tests/ui/issues/issue-48364.rs b/tests/ui/mismatched_types/starts-with-stringify-type-mismatch-48364.rs index 14ee75e7c9c..13ba8b1e59c 100644 --- a/tests/ui/issues/issue-48364.rs +++ b/tests/ui/mismatched_types/starts-with-stringify-type-mismatch-48364.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/48364 fn foo() -> bool { b"".starts_with(stringify!(foo)) //~^ ERROR mismatched types diff --git a/tests/ui/issues/issue-48364.stderr b/tests/ui/mismatched_types/starts-with-stringify-type-mismatch-48364.stderr index 74bfa1e0693..bb767d50bb0 100644 --- a/tests/ui/issues/issue-48364.stderr +++ b/tests/ui/mismatched_types/starts-with-stringify-type-mismatch-48364.stderr @@ -1,5 +1,5 @@ error[E0308]: mismatched types - --> $DIR/issue-48364.rs:2:21 + --> $DIR/starts-with-stringify-type-mismatch-48364.rs:3:21 | LL | b"".starts_with(stringify!(foo)) | ----------- ^^^^^^^^^^^^^^^ expected `&[u8]`, found `&str` diff --git a/tests/ui/missing/missing-items/missing-type-parameter2.rs b/tests/ui/missing/missing-items/missing-type-parameter2.rs index e9b32fb7198..772e60b1376 100644 --- a/tests/ui/missing/missing-items/missing-type-parameter2.rs +++ b/tests/ui/missing/missing-items/missing-type-parameter2.rs @@ -5,7 +5,7 @@ impl X<N> {} //~| ERROR unresolved item provided when a constant was expected impl<T, const A: u8 = 2> X<N> {} //~^ ERROR cannot find type `N` in this scope -//~| ERROR defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +//~| ERROR defaults for generic parameters are not allowed here //~| ERROR unresolved item provided when a constant was expected fn foo(_: T) where T: Send {} diff --git a/tests/ui/missing/missing-items/missing-type-parameter2.stderr b/tests/ui/missing/missing-items/missing-type-parameter2.stderr index f6418de20b6..3c132e769ea 100644 --- a/tests/ui/missing/missing-items/missing-type-parameter2.stderr +++ b/tests/ui/missing/missing-items/missing-type-parameter2.stderr @@ -103,7 +103,7 @@ help: if this generic argument was intended as a const parameter, surround it wi LL | impl X<{ N }> {} | + + -error: defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/missing-type-parameter2.rs:6:9 | LL | impl<T, const A: u8 = 2> X<N> {} diff --git a/tests/ui/issues/issue-32797.rs b/tests/ui/modules/circular-module-imports-32797.rs index 470d661cb28..5a2f2990795 100644 --- a/tests/ui/issues/issue-32797.rs +++ b/tests/ui/modules/circular-module-imports-32797.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/32797 //@ check-pass pub use bar::*; diff --git a/tests/ui/issues/issue-17385.rs b/tests/ui/moves/matching-partially-moved-value-17385.rs index 7400aadb059..c50fe048bfb 100644 --- a/tests/ui/issues/issue-17385.rs +++ b/tests/ui/moves/matching-partially-moved-value-17385.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/17385 struct X(isize); enum Enum { diff --git a/tests/ui/issues/issue-17385.stderr b/tests/ui/moves/matching-partially-moved-value-17385.stderr index 3c451a859e9..906f7868bcc 100644 --- a/tests/ui/issues/issue-17385.stderr +++ b/tests/ui/moves/matching-partially-moved-value-17385.stderr @@ -1,5 +1,5 @@ error[E0382]: use of moved value: `foo` - --> $DIR/issue-17385.rs:18:5 + --> $DIR/matching-partially-moved-value-17385.rs:19:5 | LL | let foo = X(1); | --- move occurs because `foo` has type `X`, which does not implement the `Copy` trait @@ -9,7 +9,7 @@ LL | match foo { | ^^^^^^^^^ value used here after move | note: if `X` implemented `Clone`, you could clone the value - --> $DIR/issue-17385.rs:1:1 + --> $DIR/matching-partially-moved-value-17385.rs:2:1 | LL | struct X(isize); | ^^^^^^^^ consider implementing `Clone` for this type @@ -18,7 +18,7 @@ LL | drop(foo); | --- you could clone this value error[E0382]: use of moved value: `e` - --> $DIR/issue-17385.rs:25:11 + --> $DIR/matching-partially-moved-value-17385.rs:26:11 | LL | let e = Enum::Variant2; | - move occurs because `e` has type `Enum`, which does not implement the `Copy` trait @@ -28,7 +28,7 @@ LL | match e { | ^ value used here after move | note: if `Enum` implemented `Clone`, you could clone the value - --> $DIR/issue-17385.rs:3:1 + --> $DIR/matching-partially-moved-value-17385.rs:4:1 | LL | enum Enum { | ^^^^^^^^^ consider implementing `Clone` for this type diff --git a/tests/ui/issues/issue-13847.rs b/tests/ui/never_type/field-access-never-type-13847.rs index 06a0304ae49..ff2a1c67b8c 100644 --- a/tests/ui/issues/issue-13847.rs +++ b/tests/ui/never_type/field-access-never-type-13847.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/13847 + fn main() { return.is_failure //~ ERROR no field `is_failure` on type `!` } diff --git a/tests/ui/issues/issue-13847.stderr b/tests/ui/never_type/field-access-never-type-13847.stderr index 1c1855ce94d..1db6b310f0a 100644 --- a/tests/ui/issues/issue-13847.stderr +++ b/tests/ui/never_type/field-access-never-type-13847.stderr @@ -1,5 +1,5 @@ error[E0609]: no field `is_failure` on type `!` - --> $DIR/issue-13847.rs:2:12 + --> $DIR/field-access-never-type-13847.rs:4:12 | LL | return.is_failure | ^^^^^^^^^^ unknown field diff --git a/tests/ui/nll/issue-51345-2.rs b/tests/ui/nll/issue-51345-2.rs index 39871d56a9a..6c424d436f1 100644 --- a/tests/ui/nll/issue-51345-2.rs +++ b/tests/ui/nll/issue-51345-2.rs @@ -1,6 +1,6 @@ //@ run-fail -//@ error-pattern:thread 'main' panicked -//@ error-pattern:explicit panic +//@ regex-error-pattern: thread 'main'.*panicked +//@ error-pattern: explicit panic //@ needs-subprocess fn main() { diff --git a/tests/ui/issues/issue-32805.rs b/tests/ui/numbers-arithmetic/f32-literal-rounding-32805.rs index 717c00a248a..59efdb9a1aa 100644 --- a/tests/ui/issues/issue-32805.rs +++ b/tests/ui/numbers-arithmetic/f32-literal-rounding-32805.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/32805 //@ run-pass fn const_mir() -> f32 { 9007199791611905.0 } diff --git a/tests/ui/numbers-arithmetic/overflowing-add.rs b/tests/ui/numbers-arithmetic/overflowing-add.rs index c1f498c802b..a63fc3bccf1 100644 --- a/tests/ui/numbers-arithmetic/overflowing-add.rs +++ b/tests/ui/numbers-arithmetic/overflowing-add.rs @@ -1,6 +1,6 @@ //@ run-fail -//@ error-pattern:thread 'main' panicked -//@ error-pattern:attempt to add with overflow +//@ regex-error-pattern: thread 'main'.*panicked +//@ error-pattern: attempt to add with overflow //@ compile-flags: -C debug-assertions //@ needs-subprocess diff --git a/tests/ui/numbers-arithmetic/overflowing-mul.rs b/tests/ui/numbers-arithmetic/overflowing-mul.rs index 0eece536929..2645a32d5ad 100644 --- a/tests/ui/numbers-arithmetic/overflowing-mul.rs +++ b/tests/ui/numbers-arithmetic/overflowing-mul.rs @@ -1,6 +1,6 @@ //@ run-fail -//@ error-pattern:thread 'main' panicked -//@ error-pattern:attempt to multiply with overflow +//@ regex-error-pattern: thread 'main'.*panicked +//@ error-pattern: attempt to multiply with overflow //@ needs-subprocess //@ compile-flags: -C debug-assertions diff --git a/tests/ui/numbers-arithmetic/overflowing-pow-signed.rs b/tests/ui/numbers-arithmetic/overflowing-pow-signed.rs index 28deb7cf6ba..6db6682e16f 100644 --- a/tests/ui/numbers-arithmetic/overflowing-pow-signed.rs +++ b/tests/ui/numbers-arithmetic/overflowing-pow-signed.rs @@ -1,6 +1,6 @@ //@ run-fail -//@ error-pattern:thread 'main' panicked -//@ error-pattern:attempt to multiply with overflow +//@ regex-error-pattern: thread 'main'.*panicked +//@ error-pattern: attempt to multiply with overflow //@ needs-subprocess //@ compile-flags: -C debug-assertions diff --git a/tests/ui/numbers-arithmetic/overflowing-pow-unsigned.rs b/tests/ui/numbers-arithmetic/overflowing-pow-unsigned.rs index dea9a4d5428..bde0de6f6f5 100644 --- a/tests/ui/numbers-arithmetic/overflowing-pow-unsigned.rs +++ b/tests/ui/numbers-arithmetic/overflowing-pow-unsigned.rs @@ -1,6 +1,6 @@ //@ run-fail -//@ error-pattern:thread 'main' panicked -//@ error-pattern:attempt to multiply with overflow +//@ regex-error-pattern: thread 'main'.*panicked +//@ error-pattern: attempt to multiply with overflow //@ needs-subprocess //@ compile-flags: -C debug-assertions diff --git a/tests/ui/numbers-arithmetic/overflowing-sub.rs b/tests/ui/numbers-arithmetic/overflowing-sub.rs index 88b1b693f63..1718fccad7a 100644 --- a/tests/ui/numbers-arithmetic/overflowing-sub.rs +++ b/tests/ui/numbers-arithmetic/overflowing-sub.rs @@ -1,6 +1,6 @@ //@ run-fail -//@ error-pattern:thread 'main' panicked -//@ error-pattern:attempt to subtract with overflow +//@ regex-error-pattern: thread 'main'.*panicked +//@ error-pattern: attempt to subtract with overflow //@ needs-subprocess //@ compile-flags: -C debug-assertions diff --git a/tests/ui/issues/issue-14915.rs b/tests/ui/operator-recovery/box-arithmetic-14915.rs index 127b909dd63..0e6f0762998 100644 --- a/tests/ui/issues/issue-14915.rs +++ b/tests/ui/operator-recovery/box-arithmetic-14915.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/14915 + fn main() { let x: Box<isize> = Box::new(0); diff --git a/tests/ui/issues/issue-14915.stderr b/tests/ui/operator-recovery/box-arithmetic-14915.stderr index 3558bd651c6..1dd80472bb8 100644 --- a/tests/ui/issues/issue-14915.stderr +++ b/tests/ui/operator-recovery/box-arithmetic-14915.stderr @@ -1,5 +1,5 @@ error[E0369]: cannot add `{integer}` to `Box<isize>` - --> $DIR/issue-14915.rs:4:22 + --> $DIR/box-arithmetic-14915.rs:6:22 | LL | println!("{}", x + 1); | - ^ - {integer} diff --git a/tests/ui/panics/fmt-only-once.run.stderr b/tests/ui/panics/fmt-only-once.run.stderr index faa3cc91151..f0124e4cb77 100644 --- a/tests/ui/panics/fmt-only-once.run.stderr +++ b/tests/ui/panics/fmt-only-once.run.stderr @@ -1,5 +1,5 @@ fmt -thread 'main' panicked at $DIR/fmt-only-once.rs:20:5: +thread 'main' ($TID) panicked at $DIR/fmt-only-once.rs:20:5: PrintOnFmt note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace diff --git a/tests/ui/panics/issue-47429-short-backtraces.run.stderr b/tests/ui/panics/issue-47429-short-backtraces.run.stderr index 32dc6592271..13b59a7c7af 100644 --- a/tests/ui/panics/issue-47429-short-backtraces.run.stderr +++ b/tests/ui/panics/issue-47429-short-backtraces.run.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at $DIR/issue-47429-short-backtraces.rs:24:5: +thread 'main' ($TID) panicked at $DIR/issue-47429-short-backtraces.rs:24:5: explicit panic stack backtrace: 0: std::panicking::begin_panic diff --git a/tests/ui/panics/location-detail-panic-no-column.run.stderr b/tests/ui/panics/location-detail-panic-no-column.run.stderr index f63c09652b8..8f43936a0af 100644 --- a/tests/ui/panics/location-detail-panic-no-column.run.stderr +++ b/tests/ui/panics/location-detail-panic-no-column.run.stderr @@ -1,4 +1,4 @@ -thread 'main' panicked at $DIR/location-detail-panic-no-column.rs:7:0: +thread 'main' ($TID) panicked at $DIR/location-detail-panic-no-column.rs:7:0: column-redacted note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace diff --git a/tests/ui/panics/location-detail-panic-no-file.run.stderr b/tests/ui/panics/location-detail-panic-no-file.run.stderr index 3d1c6defa31..8d0ee148006 100644 --- a/tests/ui/panics/location-detail-panic-no-file.run.stderr +++ b/tests/ui/panics/location-detail-panic-no-file.run.stderr @@ -1,4 +1,4 @@ -thread 'main' panicked at <redacted>:7:5: +thread 'main' ($TID) panicked at <redacted>:7:5: file-redacted note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace diff --git a/tests/ui/panics/location-detail-panic-no-line.run.stderr b/tests/ui/panics/location-detail-panic-no-line.run.stderr index 9809ab5e2b4..79f5c012b8a 100644 --- a/tests/ui/panics/location-detail-panic-no-line.run.stderr +++ b/tests/ui/panics/location-detail-panic-no-line.run.stderr @@ -1,4 +1,4 @@ -thread 'main' panicked at $DIR/location-detail-panic-no-line.rs:0:5: +thread 'main' ($TID) panicked at $DIR/location-detail-panic-no-line.rs:0:5: line-redacted note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace diff --git a/tests/ui/panics/location-detail-panic-no-location-info.run.stderr b/tests/ui/panics/location-detail-panic-no-location-info.run.stderr index f68a0d663c0..12b3e1b53e3 100644 --- a/tests/ui/panics/location-detail-panic-no-location-info.run.stderr +++ b/tests/ui/panics/location-detail-panic-no-location-info.run.stderr @@ -1,4 +1,4 @@ -thread 'main' panicked at <redacted>:0:0: +thread 'main' ($TID) panicked at <redacted>:0:0: no location info note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace diff --git a/tests/ui/panics/location-detail-unwrap-no-file.run.stderr b/tests/ui/panics/location-detail-unwrap-no-file.run.stderr index af4a4997fae..a4a87423cdc 100644 --- a/tests/ui/panics/location-detail-unwrap-no-file.run.stderr +++ b/tests/ui/panics/location-detail-unwrap-no-file.run.stderr @@ -1,4 +1,4 @@ -thread 'main' panicked at <redacted>:8:9: +thread 'main' ($TID) panicked at <redacted>:8:9: called `Option::unwrap()` on a `None` value note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace diff --git a/tests/ui/panics/main-panic.rs b/tests/ui/panics/main-panic.rs index 0b3d5c3aaec..9f2a92da90f 100644 --- a/tests/ui/panics/main-panic.rs +++ b/tests/ui/panics/main-panic.rs @@ -1,5 +1,5 @@ //@ run-fail -//@ error-pattern:thread 'main' panicked at +//@ regex-error-pattern: thread 'main' \(\d+\) panicked at //@ needs-subprocess fn main() { diff --git a/tests/ui/panics/panic-in-cleanup.run.stderr b/tests/ui/panics/panic-in-cleanup.run.stderr index 34383562c36..bfe3dc8c9d7 100644 --- a/tests/ui/panics/panic-in-cleanup.run.stderr +++ b/tests/ui/panics/panic-in-cleanup.run.stderr @@ -1,12 +1,12 @@ -thread 'main' panicked at $DIR/panic-in-cleanup.rs:22:5: +thread 'main' ($TID) panicked at $DIR/panic-in-cleanup.rs:22:5: explicit panic note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace -thread 'main' panicked at $DIR/panic-in-cleanup.rs:16:9: +thread 'main' ($TID) panicked at $DIR/panic-in-cleanup.rs:16:9: BOOM stack backtrace: -thread 'main' panicked at library/core/src/panicking.rs:$LINE:$COL: +thread 'main' ($TID) panicked at library/core/src/panicking.rs:$LINE:$COL: panic in a destructor during cleanup thread caused non-unwinding panic. aborting. diff --git a/tests/ui/panics/panic-in-ffi.run.stderr b/tests/ui/panics/panic-in-ffi.run.stderr index a6f3ebe5657..ce907d64358 100644 --- a/tests/ui/panics/panic-in-ffi.run.stderr +++ b/tests/ui/panics/panic-in-ffi.run.stderr @@ -1,10 +1,10 @@ -thread 'main' panicked at $DIR/panic-in-ffi.rs:21:5: +thread 'main' ($TID) panicked at $DIR/panic-in-ffi.rs:21:5: Test note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace Noisy Drop -thread 'main' panicked at library/core/src/panicking.rs:$LINE:$COL: +thread 'main' ($TID) panicked at library/core/src/panicking.rs:$LINE:$COL: panic in a function that cannot unwind stack backtrace: thread caused non-unwinding panic. aborting. diff --git a/tests/ui/panics/panic-set-unset-handler.rs b/tests/ui/panics/panic-set-unset-handler.rs index 66d5003d0f1..4f646020037 100644 --- a/tests/ui/panics/panic-set-unset-handler.rs +++ b/tests/ui/panics/panic-set-unset-handler.rs @@ -1,6 +1,6 @@ //@ run-fail -//@ error-pattern:thread 'main' panicked -//@ error-pattern:foobar +//@ regex-error-pattern: thread 'main' \(\d+\) panicked +//@ error-pattern: foobar //@ needs-subprocess use std::panic; diff --git a/tests/ui/panics/panic-short-backtrace-windows-x86_64.run.stderr b/tests/ui/panics/panic-short-backtrace-windows-x86_64.run.stderr index 799a8b30e99..c3c1ce16a4b 100644 --- a/tests/ui/panics/panic-short-backtrace-windows-x86_64.run.stderr +++ b/tests/ui/panics/panic-short-backtrace-windows-x86_64.run.stderr @@ -1,4 +1,4 @@ -thread 'main' panicked at 'd was called', $DIR/panic-short-backtrace-windows-x86_64.rs:48:5 +thread 'main' ($TID) panicked at 'd was called', $DIR/panic-short-backtrace-windows-x86_64.rs:48:5 stack backtrace: 0: std::panicking::begin_panic 1: d diff --git a/tests/ui/panics/panic-take-handler-nop.rs b/tests/ui/panics/panic-take-handler-nop.rs index f10582872df..ebea3ef0685 100644 --- a/tests/ui/panics/panic-take-handler-nop.rs +++ b/tests/ui/panics/panic-take-handler-nop.rs @@ -1,6 +1,6 @@ //@ run-fail -//@ error-pattern:thread 'main' panicked -//@ error-pattern:foobar +//@ regex-error-pattern: thread 'main' \(\d+\) panicked +//@ error-pattern: foobar //@ needs-subprocess use std::panic; diff --git a/tests/ui/panics/panic-task-name-none.rs b/tests/ui/panics/panic-task-name-none.rs index 8695771ff5e..4471cd6795c 100644 --- a/tests/ui/panics/panic-task-name-none.rs +++ b/tests/ui/panics/panic-task-name-none.rs @@ -1,14 +1,14 @@ //@ run-fail -//@ error-pattern:thread '<unnamed>' panicked -//@ error-pattern:test +//@ regex-error-pattern: thread '<unnamed>' \(\d+\) panicked +//@ error-pattern: test //@ needs-threads use std::thread; fn main() { let r: Result<(), _> = thread::spawn(move || { - panic!("test"); - }) - .join(); + panic!("test"); + }) + .join(); assert!(r.is_ok()); } diff --git a/tests/ui/panics/panic-task-name-owned.rs b/tests/ui/panics/panic-task-name-owned.rs index 42ae33b5d35..084ac90512a 100644 --- a/tests/ui/panics/panic-task-name-owned.rs +++ b/tests/ui/panics/panic-task-name-owned.rs @@ -1,19 +1,19 @@ //@ run-fail -//@ error-pattern:thread 'owned name' panicked -//@ error-pattern:test +//@ regex-error-pattern: thread 'owned name' \(\d+\) panicked +//@ error-pattern: test //@ needs-threads use std::thread::Builder; fn main() { let r: () = Builder::new() - .name("owned name".to_string()) - .spawn(move || { - panic!("test"); - () - }) - .unwrap() - .join() - .unwrap(); + .name("owned name".to_string()) + .spawn(move || { + panic!("test"); + () + }) + .unwrap() + .join() + .unwrap(); panic!(); } diff --git a/tests/ui/panics/runtime-switch.run.stderr b/tests/ui/panics/runtime-switch.run.stderr index 70ed127af86..f3f60445952 100644 --- a/tests/ui/panics/runtime-switch.run.stderr +++ b/tests/ui/panics/runtime-switch.run.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at $DIR/runtime-switch.rs:28:5: +thread 'main' ($TID) panicked at $DIR/runtime-switch.rs:28:5: explicit panic stack backtrace: 0: std::panicking::begin_panic diff --git a/tests/ui/panics/short-ice-remove-middle-frames-2.run.stderr b/tests/ui/panics/short-ice-remove-middle-frames-2.run.stderr index 664d51e185d..584b477f3a7 100644 --- a/tests/ui/panics/short-ice-remove-middle-frames-2.run.stderr +++ b/tests/ui/panics/short-ice-remove-middle-frames-2.run.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at $DIR/short-ice-remove-middle-frames-2.rs:62:5: +thread 'main' ($TID) panicked at $DIR/short-ice-remove-middle-frames-2.rs:62:5: debug!!! stack backtrace: 0: std::panicking::begin_panic diff --git a/tests/ui/panics/short-ice-remove-middle-frames.run.stderr b/tests/ui/panics/short-ice-remove-middle-frames.run.stderr index e966462331f..1efcb7d5304 100644 --- a/tests/ui/panics/short-ice-remove-middle-frames.run.stderr +++ b/tests/ui/panics/short-ice-remove-middle-frames.run.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at $DIR/short-ice-remove-middle-frames.rs:58:5: +thread 'main' ($TID) panicked at $DIR/short-ice-remove-middle-frames.rs:58:5: debug!!! stack backtrace: 0: std::panicking::begin_panic diff --git a/tests/ui/parser/attribute-on-empty.rs b/tests/ui/parser/attribute-on-empty.rs new file mode 100644 index 00000000000..5932377f73e --- /dev/null +++ b/tests/ui/parser/attribute-on-empty.rs @@ -0,0 +1,29 @@ +//! Regression test for: <https://github.com/rust-lang/rust/issues/144132> +//! <https://github.com/rust-lang/rust/issues/135017> + +struct Baz<const N: usize>(i32); + +fn main() { + let _: Baz<#[cfg(any())]> = todo!(); + //~^ ERROR attributes cannot be applied here +} + +fn f(_param: #[attr]) {} +//~^ ERROR attributes cannot be applied to a function parameter's type +//~| ERROR expected type, found `)` + +fn g() -> #[attr] { 0 } +//~^ ERROR attributes cannot be applied here + +struct S { + field: #[attr], + //~^ ERROR attributes cannot be applied here + field1: (#[attr], i32), + //~^ ERROR attributes cannot be applied here +} + +type Tuple = (#[attr], String); +//~^ ERROR attributes cannot be applied here + +impl #[attr] {} +//~^ ERROR attributes cannot be applied here diff --git a/tests/ui/parser/attribute-on-empty.stderr b/tests/ui/parser/attribute-on-empty.stderr new file mode 100644 index 00000000000..7c4806c8704 --- /dev/null +++ b/tests/ui/parser/attribute-on-empty.stderr @@ -0,0 +1,52 @@ +error: attributes cannot be applied here + --> $DIR/attribute-on-empty.rs:7:16 + | +LL | let _: Baz<#[cfg(any())]> = todo!(); + | - ^^^^^^^^^^^^^ attributes are not allowed here + | | + | while parsing the type for `_` + +error: attributes cannot be applied to a function parameter's type + --> $DIR/attribute-on-empty.rs:11:14 + | +LL | fn f(_param: #[attr]) {} + | ^^^^^^^ attributes are not allowed here + +error: expected type, found `)` + --> $DIR/attribute-on-empty.rs:11:21 + | +LL | fn f(_param: #[attr]) {} + | ^ expected type + +error: attributes cannot be applied here + --> $DIR/attribute-on-empty.rs:15:11 + | +LL | fn g() -> #[attr] { 0 } + | ^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied here + --> $DIR/attribute-on-empty.rs:19:12 + | +LL | field: #[attr], + | ^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied here + --> $DIR/attribute-on-empty.rs:21:14 + | +LL | field1: (#[attr], i32), + | ^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied here + --> $DIR/attribute-on-empty.rs:25:15 + | +LL | type Tuple = (#[attr], String); + | ^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied here + --> $DIR/attribute-on-empty.rs:28:6 + | +LL | impl #[attr] {} + | ^^^^^^^ attributes are not allowed here + +error: aborting due to 8 previous errors + diff --git a/tests/ui/parser/attribute-on-type.fixed b/tests/ui/parser/attribute-on-type.fixed new file mode 100644 index 00000000000..5024bfdc2bc --- /dev/null +++ b/tests/ui/parser/attribute-on-type.fixed @@ -0,0 +1,58 @@ +//! Regression test for: <https://github.com/rust-lang/rust/issues/144132> +//! <https://github.com/rust-lang/rust/issues/135017> + +//@ run-rustfix + +#![allow(dead_code, unused_variables)] + +struct Foo<T>(T); +struct Bar<'a>(&'a i32); +struct Baz<const N: usize>(i32); + +fn main() { + let foo: Foo<i32> = Foo(2i32); + //~^ ERROR attributes cannot be applied to generic arguments + + let _: &'static str = "123"; + //~^ ERROR attributes cannot be applied to types + + let _: Bar<'static> = Bar(&123); + //~^ ERROR attributes cannot be applied to generic arguments + + let _: Baz<42> = Baz(42); + //~^ ERROR attributes cannot be applied to generic arguments + + let _: Foo<String> = Foo(String::new()); + //~^ ERROR attributes cannot be applied to generic arguments + + let _: Bar<'static> = Bar(&456); + //~^ ERROR attributes cannot be applied to generic arguments + + let _generic: Box<i32> = Box::new(1); + //~^ ERROR attributes cannot be applied to generic arguments + + let _assignment: i32 = *Box::new(1); + //~^ ERROR attributes cannot be applied to types + + let _complex: Vec<String> = vec![]; + //~^ ERROR attributes cannot be applied to generic arguments + + let _nested: Box<Vec<u64>> = Box::new(vec![]); + //~^ ERROR attributes cannot be applied to generic arguments +} + +fn g() -> i32 { 0 } +//~^ ERROR attributes cannot be applied to types + +struct S { + field: i32, + //~^ ERROR attributes cannot be applied to types + field1: (i32, i32), + //~^ ERROR attributes cannot be applied to types +} + +type Tuple = (i32, String); +//~^ ERROR attributes cannot be applied to types + +impl S {} +//~^ ERROR attributes cannot be applied to types diff --git a/tests/ui/parser/attribute-on-type.rs b/tests/ui/parser/attribute-on-type.rs new file mode 100644 index 00000000000..196d322bdf8 --- /dev/null +++ b/tests/ui/parser/attribute-on-type.rs @@ -0,0 +1,58 @@ +//! Regression test for: <https://github.com/rust-lang/rust/issues/144132> +//! <https://github.com/rust-lang/rust/issues/135017> + +//@ run-rustfix + +#![allow(dead_code, unused_variables)] + +struct Foo<T>(T); +struct Bar<'a>(&'a i32); +struct Baz<const N: usize>(i32); + +fn main() { + let foo: Foo<#[cfg(not(wrong))] i32> = Foo(2i32); + //~^ ERROR attributes cannot be applied to generic arguments + + let _: #[attr] &'static str = "123"; + //~^ ERROR attributes cannot be applied to types + + let _: Bar<#[cfg(any())] 'static> = Bar(&123); + //~^ ERROR attributes cannot be applied to generic arguments + + let _: Baz<#[cfg(any())] 42> = Baz(42); + //~^ ERROR attributes cannot be applied to generic arguments + + let _: Foo<#[cfg(not(wrong))]String> = Foo(String::new()); + //~^ ERROR attributes cannot be applied to generic arguments + + let _: Bar<#[cfg(any())] 'static> = Bar(&456); + //~^ ERROR attributes cannot be applied to generic arguments + + let _generic: Box<#[attr] i32> = Box::new(1); + //~^ ERROR attributes cannot be applied to generic arguments + + let _assignment: #[attr] i32 = *Box::new(1); + //~^ ERROR attributes cannot be applied to types + + let _complex: Vec<#[derive(Debug)] String> = vec![]; + //~^ ERROR attributes cannot be applied to generic arguments + + let _nested: Box<Vec<#[cfg(feature = "test")] u64>> = Box::new(vec![]); + //~^ ERROR attributes cannot be applied to generic arguments +} + +fn g() -> #[attr] i32 { 0 } +//~^ ERROR attributes cannot be applied to types + +struct S { + field: #[attr] i32, + //~^ ERROR attributes cannot be applied to types + field1: (#[attr] i32, i32), + //~^ ERROR attributes cannot be applied to types +} + +type Tuple = (#[attr] i32, String); +//~^ ERROR attributes cannot be applied to types + +impl #[attr] S {} +//~^ ERROR attributes cannot be applied to types diff --git a/tests/ui/parser/attribute-on-type.stderr b/tests/ui/parser/attribute-on-type.stderr new file mode 100644 index 00000000000..603c7e2be51 --- /dev/null +++ b/tests/ui/parser/attribute-on-type.stderr @@ -0,0 +1,92 @@ +error: attributes cannot be applied to generic arguments + --> $DIR/attribute-on-type.rs:13:18 + | +LL | let foo: Foo<#[cfg(not(wrong))] i32> = Foo(2i32); + | ^^^^^^^^^^^^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to types + --> $DIR/attribute-on-type.rs:16:12 + | +LL | let _: #[attr] &'static str = "123"; + | ^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to generic arguments + --> $DIR/attribute-on-type.rs:19:16 + | +LL | let _: Bar<#[cfg(any())] 'static> = Bar(&123); + | ^^^^^^^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to generic arguments + --> $DIR/attribute-on-type.rs:22:16 + | +LL | let _: Baz<#[cfg(any())] 42> = Baz(42); + | ^^^^^^^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to generic arguments + --> $DIR/attribute-on-type.rs:25:16 + | +LL | let _: Foo<#[cfg(not(wrong))]String> = Foo(String::new()); + | ^^^^^^^^^^^^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to generic arguments + --> $DIR/attribute-on-type.rs:28:16 + | +LL | let _: Bar<#[cfg(any())] 'static> = Bar(&456); + | ^^^^^^^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to generic arguments + --> $DIR/attribute-on-type.rs:31:23 + | +LL | let _generic: Box<#[attr] i32> = Box::new(1); + | ^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to types + --> $DIR/attribute-on-type.rs:34:22 + | +LL | let _assignment: #[attr] i32 = *Box::new(1); + | ^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to generic arguments + --> $DIR/attribute-on-type.rs:37:23 + | +LL | let _complex: Vec<#[derive(Debug)] String> = vec![]; + | ^^^^^^^^^^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to generic arguments + --> $DIR/attribute-on-type.rs:40:26 + | +LL | let _nested: Box<Vec<#[cfg(feature = "test")] u64>> = Box::new(vec![]); + | ^^^^^^^^^^^^^^^^^^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to types + --> $DIR/attribute-on-type.rs:44:11 + | +LL | fn g() -> #[attr] i32 { 0 } + | ^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to types + --> $DIR/attribute-on-type.rs:48:12 + | +LL | field: #[attr] i32, + | ^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to types + --> $DIR/attribute-on-type.rs:50:14 + | +LL | field1: (#[attr] i32, i32), + | ^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to types + --> $DIR/attribute-on-type.rs:54:15 + | +LL | type Tuple = (#[attr] i32, String); + | ^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to types + --> $DIR/attribute-on-type.rs:57:6 + | +LL | impl #[attr] S {} + | ^^^^^^^ attributes are not allowed here + +error: aborting due to 15 previous errors + diff --git a/tests/ui/parser/issues/issue-103143.rs b/tests/ui/parser/issues/issue-103143.rs index a584274c405..90f10fc1a08 100644 --- a/tests/ui/parser/issues/issue-103143.rs +++ b/tests/ui/parser/issues/issue-103143.rs @@ -1,5 +1,5 @@ fn main() { x::<#[a]y::<z>> - //~^ ERROR invalid const generic expression + //~^ ERROR attributes cannot be applied to generic arguments //~| ERROR cannot find value `x` in this scope } diff --git a/tests/ui/parser/issues/issue-103143.stderr b/tests/ui/parser/issues/issue-103143.stderr index 4035c69afa7..168a2077396 100644 --- a/tests/ui/parser/issues/issue-103143.stderr +++ b/tests/ui/parser/issues/issue-103143.stderr @@ -1,13 +1,8 @@ -error: invalid const generic expression - --> $DIR/issue-103143.rs:2:13 +error: attributes cannot be applied to generic arguments + --> $DIR/issue-103143.rs:2:9 | LL | x::<#[a]y::<z>> - | ^^^^^^ - | -help: expressions must be enclosed in braces to be used as const generic arguments - | -LL | x::<#[a]{ y::<z> }> - | + + + | ^^^^ attributes are not allowed here error[E0425]: cannot find value `x` in this scope --> $DIR/issue-103143.rs:2:5 diff --git a/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.fixed b/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.fixed index a851300a982..40028307a8c 100644 --- a/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.fixed +++ b/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.fixed @@ -1,7 +1,9 @@ // Regression test for issues #100790 and #106439. //@ run-rustfix -pub struct Example(#[allow(dead_code)] usize) +#![allow(dead_code)] + +pub struct Example(usize) where (): Sized; //~^^^ ERROR where clauses are not allowed before tuple struct bodies diff --git a/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.rs b/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.rs index 10f435859f1..d8dbb4238d2 100644 --- a/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.rs +++ b/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.rs @@ -1,10 +1,12 @@ // Regression test for issues #100790 and #106439. //@ run-rustfix +#![allow(dead_code)] + pub struct Example where (): Sized, -(#[allow(dead_code)] usize); +(usize); //~^^^ ERROR where clauses are not allowed before tuple struct bodies struct _Demo diff --git a/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.stderr b/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.stderr index ddbf237e866..66dadd9fd4c 100644 --- a/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.stderr +++ b/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.stderr @@ -1,23 +1,23 @@ error: where clauses are not allowed before tuple struct bodies - --> $DIR/recover-where-clause-before-tuple-struct-body-0.rs:5:1 + --> $DIR/recover-where-clause-before-tuple-struct-body-0.rs:7:1 | LL | pub struct Example | ------- while parsing this tuple struct LL | / where LL | | (): Sized, | |______________^ unexpected where clause -LL | (#[allow(dead_code)] usize); - | --------------------------- the struct body +LL | (usize); + | ------- the struct body | help: move the body before the where clause | -LL ~ pub struct Example(#[allow(dead_code)] usize) +LL ~ pub struct Example(usize) LL | where LL ~ (): Sized; | error: where clauses are not allowed before tuple struct bodies - --> $DIR/recover-where-clause-before-tuple-struct-body-0.rs:11:1 + --> $DIR/recover-where-clause-before-tuple-struct-body-0.rs:13:1 | LL | struct _Demo | ----- while parsing this tuple struct diff --git a/tests/ui/issues/issue-13482.rs b/tests/ui/pattern/array-length-mismatch-13482.rs index 244b3237e02..78d024e5227 100644 --- a/tests/ui/issues/issue-13482.rs +++ b/tests/ui/pattern/array-length-mismatch-13482.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/13482 + fn main() { let x = [1,2]; let y = match x { diff --git a/tests/ui/issues/issue-13482.stderr b/tests/ui/pattern/array-length-mismatch-13482.stderr index 6226c580811..d366e010927 100644 --- a/tests/ui/issues/issue-13482.stderr +++ b/tests/ui/pattern/array-length-mismatch-13482.stderr @@ -1,5 +1,5 @@ error[E0527]: pattern requires 0 elements but array has 2 - --> $DIR/issue-13482.rs:4:5 + --> $DIR/array-length-mismatch-13482.rs:6:5 | LL | [] => None, | ^^ expected 2 elements diff --git a/tests/ui/issues/issue-13482-2.rs b/tests/ui/pattern/array-length-mismatch-verbose-13482.rs index 619e9d748ef..619e9d748ef 100644 --- a/tests/ui/issues/issue-13482-2.rs +++ b/tests/ui/pattern/array-length-mismatch-verbose-13482.rs diff --git a/tests/ui/issues/issue-13482-2.stderr b/tests/ui/pattern/array-length-mismatch-verbose-13482.stderr index 87a6782a5e6..5b533b30afa 100644 --- a/tests/ui/issues/issue-13482-2.stderr +++ b/tests/ui/pattern/array-length-mismatch-verbose-13482.stderr @@ -1,5 +1,5 @@ error[E0527]: pattern requires 0 elements but array has 2 - --> $DIR/issue-13482-2.rs:6:9 + --> $DIR/array-length-mismatch-verbose-13482.rs:6:9 | LL | [] => None, | ^^ expected 2 elements diff --git a/tests/ui/pattern/bindings-after-at/bind-by-copy-or-pat.rs b/tests/ui/pattern/bindings-after-at/bind-by-copy-or-pat.rs index 1555da2fd1f..dd23acfa235 100644 --- a/tests/ui/pattern/bindings-after-at/bind-by-copy-or-pat.rs +++ b/tests/ui/pattern/bindings-after-at/bind-by-copy-or-pat.rs @@ -1,16 +1,15 @@ -//@ known-bug: unknown +//@ run-pass #![allow(unused)] struct A(u32); pub fn main() { - // The or-pattern bindings are lowered after `x`, which triggers the error. + // Bindings are lowered in the order they appear syntactically, so this works. let x @ (A(a) | A(a)) = A(10); - // ERROR: use of moved value assert!(x.0 == 10); assert!(a == 10); - // This works. + // This also works. let (x @ A(a) | x @ A(a)) = A(10); assert!(x.0 == 10); assert!(a == 10); diff --git a/tests/ui/pattern/bindings-after-at/bind-by-copy-or-pat.stderr b/tests/ui/pattern/bindings-after-at/bind-by-copy-or-pat.stderr deleted file mode 100644 index 79808186358..00000000000 --- a/tests/ui/pattern/bindings-after-at/bind-by-copy-or-pat.stderr +++ /dev/null @@ -1,31 +0,0 @@ -error[E0382]: use of moved value - --> $DIR/bind-by-copy-or-pat.rs:8:16 - | -LL | let x @ (A(a) | A(a)) = A(10); - | - ^ ----- move occurs because value has type `A`, which does not implement the `Copy` trait - | | | - | | value used here after move - | value moved here - | -help: borrow this binding in the pattern to avoid moving the value - | -LL | let ref x @ (A(a) | A(a)) = A(10); - | +++ - -error[E0382]: use of moved value - --> $DIR/bind-by-copy-or-pat.rs:8:23 - | -LL | let x @ (A(a) | A(a)) = A(10); - | - ^ ----- move occurs because value has type `A`, which does not implement the `Copy` trait - | | | - | | value used here after move - | value moved here - | -help: borrow this binding in the pattern to avoid moving the value - | -LL | let ref x @ (A(a) | A(a)) = A(10); - | +++ - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0382`. diff --git a/tests/ui/issues/issue-14541.rs b/tests/ui/pattern/struct-mismatch-destructure-14541.rs index 358d29419f9..04e85237cab 100644 --- a/tests/ui/issues/issue-14541.rs +++ b/tests/ui/pattern/struct-mismatch-destructure-14541.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/14541 + struct Vec2 { y: f32 } struct Vec3 { y: f32, z: f32 } diff --git a/tests/ui/issues/issue-14541.stderr b/tests/ui/pattern/struct-mismatch-destructure-14541.stderr index 370e6477901..024d77df2cb 100644 --- a/tests/ui/issues/issue-14541.stderr +++ b/tests/ui/pattern/struct-mismatch-destructure-14541.stderr @@ -1,5 +1,5 @@ error[E0308]: mismatched types - --> $DIR/issue-14541.rs:5:9 + --> $DIR/struct-mismatch-destructure-14541.rs:7:9 | LL | let Vec3 { y: _, z: _ } = v; | ^^^^^^^^^^^^^^^^^^^ - this expression has type `Vec2` diff --git a/tests/ui/issues/issue-14308.rs b/tests/ui/pattern/struct-wildcard-pattern-14308.rs index 724be160d06..c1fdf424b8c 100644 --- a/tests/ui/issues/issue-14308.rs +++ b/tests/ui/pattern/struct-wildcard-pattern-14308.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/14308 + //@ run-pass struct A(isize); diff --git a/tests/ui/issues/issue-3763.rs b/tests/ui/privacy/private-field-access-violation-3763.rs index 893009a2cd9..3fc2337086d 100644 --- a/tests/ui/issues/issue-3763.rs +++ b/tests/ui/privacy/private-field-access-violation-3763.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/3763 // Regression test for #3763 mod my_mod { diff --git a/tests/ui/issues/issue-3763.stderr b/tests/ui/privacy/private-field-access-violation-3763.stderr index d101e4c33ad..6ba83dc4d78 100644 --- a/tests/ui/issues/issue-3763.stderr +++ b/tests/ui/privacy/private-field-access-violation-3763.stderr @@ -1,17 +1,17 @@ error[E0616]: field `priv_field` of struct `MyStruct` is private - --> $DIR/issue-3763.rs:17:32 + --> $DIR/private-field-access-violation-3763.rs:18:32 | LL | let _woohoo = (&my_struct).priv_field; | ^^^^^^^^^^ private field error[E0616]: field `priv_field` of struct `MyStruct` is private - --> $DIR/issue-3763.rs:20:41 + --> $DIR/private-field-access-violation-3763.rs:21:41 | LL | let _woohoo = (Box::new(my_struct)).priv_field; | ^^^^^^^^^^ private field error[E0624]: method `happyfun` is private - --> $DIR/issue-3763.rs:23:18 + --> $DIR/private-field-access-violation-3763.rs:24:18 | LL | fn happyfun(&self) {} | ------------------ private method defined here @@ -20,7 +20,7 @@ LL | (&my_struct).happyfun(); | ^^^^^^^^ private method error[E0624]: method `happyfun` is private - --> $DIR/issue-3763.rs:25:27 + --> $DIR/private-field-access-violation-3763.rs:26:27 | LL | fn happyfun(&self) {} | ------------------ private method defined here @@ -29,7 +29,7 @@ LL | (Box::new(my_struct)).happyfun(); | ^^^^^^^^ private method error[E0616]: field `priv_field` of struct `MyStruct` is private - --> $DIR/issue-3763.rs:26:26 + --> $DIR/private-field-access-violation-3763.rs:27:26 | LL | let nope = my_struct.priv_field; | ^^^^^^^^^^ private field diff --git a/tests/ui/proc-macro/derive-helper-shadowing.rs b/tests/ui/proc-macro/derive-helper-shadowing.rs index e774e464053..ee883be3352 100644 --- a/tests/ui/proc-macro/derive-helper-shadowing.rs +++ b/tests/ui/proc-macro/derive-helper-shadowing.rs @@ -17,7 +17,7 @@ macro_rules! gen_helper_use { } #[empty_helper] //~ ERROR `empty_helper` is ambiguous - //~| WARN derive helper attribute is used before it is introduced + //~| ERROR derive helper attribute is used before it is introduced //~| WARN this was previously accepted #[derive(Empty)] struct S { diff --git a/tests/ui/proc-macro/derive-helper-shadowing.stderr b/tests/ui/proc-macro/derive-helper-shadowing.stderr index 1206778bb23..65989375ab5 100644 --- a/tests/ui/proc-macro/derive-helper-shadowing.stderr +++ b/tests/ui/proc-macro/derive-helper-shadowing.stderr @@ -58,7 +58,7 @@ LL | use test_macros::empty_attr as empty_helper; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = help: use `crate::empty_helper` to refer to this attribute macro unambiguously -warning: derive helper attribute is used before it is introduced +error: derive helper attribute is used before it is introduced --> $DIR/derive-helper-shadowing.rs:19:3 | LL | #[empty_helper] @@ -69,8 +69,22 @@ LL | #[derive(Empty)] | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202> - = note: `#[warn(legacy_derive_helpers)]` on by default + = note: `#[deny(legacy_derive_helpers)]` on by default -error: aborting due to 4 previous errors; 1 warning emitted +error: aborting due to 5 previous errors For more information about this error, try `rustc --explain E0659`. +Future incompatibility report: Future breakage diagnostic: +error: derive helper attribute is used before it is introduced + --> $DIR/derive-helper-shadowing.rs:19:3 + | +LL | #[empty_helper] + | ^^^^^^^^^^^^ +... +LL | #[derive(Empty)] + | ----- the attribute is introduced here + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202> + = note: `#[deny(legacy_derive_helpers)]` on by default + diff --git a/tests/ui/proc-macro/helper-attr-blocked-by-import-ambig.rs b/tests/ui/proc-macro/helper-attr-blocked-by-import-ambig.rs index 1197dd7f3bf..97c81e9945d 100644 --- a/tests/ui/proc-macro/helper-attr-blocked-by-import-ambig.rs +++ b/tests/ui/proc-macro/helper-attr-blocked-by-import-ambig.rs @@ -5,7 +5,7 @@ extern crate test_macros; use test_macros::empty_attr as empty_helper; #[empty_helper] //~ ERROR `empty_helper` is ambiguous - //~| WARN derive helper attribute is used before it is introduced + //~| ERROR derive helper attribute is used before it is introduced //~| WARN this was previously accepted #[derive(Empty)] struct S; diff --git a/tests/ui/proc-macro/helper-attr-blocked-by-import-ambig.stderr b/tests/ui/proc-macro/helper-attr-blocked-by-import-ambig.stderr index 1c12a2804c6..df7951464fb 100644 --- a/tests/ui/proc-macro/helper-attr-blocked-by-import-ambig.stderr +++ b/tests/ui/proc-macro/helper-attr-blocked-by-import-ambig.stderr @@ -17,7 +17,7 @@ LL | use test_macros::empty_attr as empty_helper; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = help: use `crate::empty_helper` to refer to this attribute macro unambiguously -warning: derive helper attribute is used before it is introduced +error: derive helper attribute is used before it is introduced --> $DIR/helper-attr-blocked-by-import-ambig.rs:7:3 | LL | #[empty_helper] @@ -28,8 +28,22 @@ LL | #[derive(Empty)] | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202> - = note: `#[warn(legacy_derive_helpers)]` on by default + = note: `#[deny(legacy_derive_helpers)]` on by default -error: aborting due to 1 previous error; 1 warning emitted +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0659`. +Future incompatibility report: Future breakage diagnostic: +error: derive helper attribute is used before it is introduced + --> $DIR/helper-attr-blocked-by-import-ambig.rs:7:3 + | +LL | #[empty_helper] + | ^^^^^^^^^^^^ +... +LL | #[derive(Empty)] + | ----- the attribute is introduced here + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202> + = note: `#[deny(legacy_derive_helpers)]` on by default + diff --git a/tests/ui/proc-macro/issue-75930-derive-cfg.rs b/tests/ui/proc-macro/issue-75930-derive-cfg.rs index f0851b31e9c..e8df1a66dd9 100644 --- a/tests/ui/proc-macro/issue-75930-derive-cfg.rs +++ b/tests/ui/proc-macro/issue-75930-derive-cfg.rs @@ -6,7 +6,7 @@ // Tests that we cfg-strip all targets before invoking // a derive macro // FIXME: We currently lose spans here (see issue #43081) - +#![warn(legacy_derive_helpers)] #![no_std] // Don't load unnecessary hygiene information from std extern crate std; diff --git a/tests/ui/proc-macro/issue-75930-derive-cfg.stderr b/tests/ui/proc-macro/issue-75930-derive-cfg.stderr index df1e36d7390..906e9c6bf69 100644 --- a/tests/ui/proc-macro/issue-75930-derive-cfg.stderr +++ b/tests/ui/proc-macro/issue-75930-derive-cfg.stderr @@ -9,7 +9,11 @@ LL | #[derive(Print)] | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202> - = note: `#[warn(legacy_derive_helpers)]` on by default +note: the lint level is defined here + --> $DIR/issue-75930-derive-cfg.rs:9:9 + | +LL | #![warn(legacy_derive_helpers)] + | ^^^^^^^^^^^^^^^^^^^^^ warning: derive helper attribute is used before it is introduced --> $DIR/issue-75930-derive-cfg.rs:46:3 @@ -26,3 +30,39 @@ LL | #[derive(Print)] warning: 2 warnings emitted +Future incompatibility report: Future breakage diagnostic: +warning: derive helper attribute is used before it is introduced + --> $DIR/issue-75930-derive-cfg.rs:46:3 + | +LL | #[print_helper(a)] + | ^^^^^^^^^^^^ +... +LL | #[derive(Print)] + | ----- the attribute is introduced here + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202> +note: the lint level is defined here + --> $DIR/issue-75930-derive-cfg.rs:9:9 + | +LL | #![warn(legacy_derive_helpers)] + | ^^^^^^^^^^^^^^^^^^^^^ + +Future breakage diagnostic: +warning: derive helper attribute is used before it is introduced + --> $DIR/issue-75930-derive-cfg.rs:46:3 + | +LL | #[print_helper(a)] + | ^^^^^^^^^^^^ +... +LL | #[derive(Print)] + | ----- the attribute is introduced here + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202> +note: the lint level is defined here + --> $DIR/issue-75930-derive-cfg.rs:9:9 + | +LL | #![warn(legacy_derive_helpers)] + | ^^^^^^^^^^^^^^^^^^^^^ + diff --git a/tests/ui/proc-macro/load-panic-backtrace.rs b/tests/ui/proc-macro/load-panic-backtrace.rs index 848bdaf9f37..82645eb4e9f 100644 --- a/tests/ui/proc-macro/load-panic-backtrace.rs +++ b/tests/ui/proc-macro/load-panic-backtrace.rs @@ -1,7 +1,7 @@ //@ proc-macro: test-macros.rs //@ compile-flags: -Z proc-macro-backtrace //@ rustc-env:RUST_BACKTRACE=0 -//@ normalize-stderr: "thread '.*' panicked " -> "" +//@ normalize-stderr: "thread '.*' \(0x[[:xdigit:]]+\) panicked " -> "" //@ normalize-stderr: "note:.*RUST_BACKTRACE=1.*\n" -> "" //@ needs-unwind proc macro panics to report errors diff --git a/tests/ui/proc-macro/load-panic-backtrace.stderr b/tests/ui/proc-macro/load-panic-backtrace.stderr index a1049f5a324..b8872eb12b7 100644 --- a/tests/ui/proc-macro/load-panic-backtrace.stderr +++ b/tests/ui/proc-macro/load-panic-backtrace.stderr @@ -1,5 +1,5 @@ -at $DIR/auxiliary/test-macros.rs:38:5: +thread '<unnamed>' ($TID) panicked at $DIR/auxiliary/test-macros.rs:38:5: panic-derive error: proc-macro derive panicked --> $DIR/load-panic-backtrace.rs:11:10 diff --git a/tests/ui/proc-macro/proc-macro-attributes.rs b/tests/ui/proc-macro/proc-macro-attributes.rs index 455fcc56e58..f1270b896aa 100644 --- a/tests/ui/proc-macro/proc-macro-attributes.rs +++ b/tests/ui/proc-macro/proc-macro-attributes.rs @@ -4,17 +4,17 @@ extern crate derive_b; #[B] //~ ERROR `B` is ambiguous - //~| WARN derive helper attribute is used before it is introduced + //~| ERROR derive helper attribute is used before it is introduced //~| WARN this was previously accepted #[C] //~ ERROR cannot find attribute `C` in this scope #[B(D)] //~ ERROR `B` is ambiguous - //~| WARN derive helper attribute is used before it is introduced + //~| ERROR derive helper attribute is used before it is introduced //~| WARN this was previously accepted #[B(E = "foo")] //~ ERROR `B` is ambiguous - //~| WARN derive helper attribute is used before it is introduced + //~| ERROR derive helper attribute is used before it is introduced //~| WARN this was previously accepted #[B(arbitrary tokens)] //~ ERROR `B` is ambiguous - //~| WARN derive helper attribute is used before it is introduced + //~| ERROR derive helper attribute is used before it is introduced //~| WARN this was previously accepted #[derive(B)] struct B; diff --git a/tests/ui/proc-macro/proc-macro-attributes.stderr b/tests/ui/proc-macro/proc-macro-attributes.stderr index 140d8790690..2cc57383eb3 100644 --- a/tests/ui/proc-macro/proc-macro-attributes.stderr +++ b/tests/ui/proc-macro/proc-macro-attributes.stderr @@ -76,7 +76,7 @@ note: `B` could also refer to the derive macro imported here LL | #[macro_use] | ^^^^^^^^^^^^ -warning: derive helper attribute is used before it is introduced +error: derive helper attribute is used before it is introduced --> $DIR/proc-macro-attributes.rs:6:3 | LL | #[B] @@ -87,9 +87,9 @@ LL | #[derive(B)] | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202> - = note: `#[warn(legacy_derive_helpers)]` on by default + = note: `#[deny(legacy_derive_helpers)]` on by default -warning: derive helper attribute is used before it is introduced +error: derive helper attribute is used before it is introduced --> $DIR/proc-macro-attributes.rs:10:3 | LL | #[B(D)] @@ -101,7 +101,7 @@ LL | #[derive(B)] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202> -warning: derive helper attribute is used before it is introduced +error: derive helper attribute is used before it is introduced --> $DIR/proc-macro-attributes.rs:13:3 | LL | #[B(E = "foo")] @@ -113,7 +113,7 @@ LL | #[derive(B)] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202> -warning: derive helper attribute is used before it is introduced +error: derive helper attribute is used before it is introduced --> $DIR/proc-macro-attributes.rs:16:3 | LL | #[B(arbitrary tokens)] @@ -125,6 +125,62 @@ LL | #[derive(B)] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202> -error: aborting due to 5 previous errors; 4 warnings emitted +error: aborting due to 9 previous errors For more information about this error, try `rustc --explain E0659`. +Future incompatibility report: Future breakage diagnostic: +error: derive helper attribute is used before it is introduced + --> $DIR/proc-macro-attributes.rs:6:3 + | +LL | #[B] + | ^ +... +LL | #[derive(B)] + | - the attribute is introduced here + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202> + = note: `#[deny(legacy_derive_helpers)]` on by default + +Future breakage diagnostic: +error: derive helper attribute is used before it is introduced + --> $DIR/proc-macro-attributes.rs:10:3 + | +LL | #[B(D)] + | ^ +... +LL | #[derive(B)] + | - the attribute is introduced here + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202> + = note: `#[deny(legacy_derive_helpers)]` on by default + +Future breakage diagnostic: +error: derive helper attribute is used before it is introduced + --> $DIR/proc-macro-attributes.rs:13:3 + | +LL | #[B(E = "foo")] + | ^ +... +LL | #[derive(B)] + | - the attribute is introduced here + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202> + = note: `#[deny(legacy_derive_helpers)]` on by default + +Future breakage diagnostic: +error: derive helper attribute is used before it is introduced + --> $DIR/proc-macro-attributes.rs:16:3 + | +LL | #[B(arbitrary tokens)] + | ^ +... +LL | #[derive(B)] + | - the attribute is introduced here + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202> + = note: `#[deny(legacy_derive_helpers)]` on by default + diff --git a/tests/ui/process/multi-panic.rs b/tests/ui/process/multi-panic.rs index 481fe75c731..1fddffeb770 100644 --- a/tests/ui/process/multi-panic.rs +++ b/tests/ui/process/multi-panic.rs @@ -7,18 +7,27 @@ fn check_for_no_backtrace(test: std::process::Output) { let err = String::from_utf8_lossy(&test.stderr); let mut it = err.lines().filter(|l| !l.is_empty()); - assert_eq!(it.next().map(|l| l.starts_with("thread '<unnamed>' panicked")), Some(true)); - assert_eq!(it.next().is_some(), true); + assert_eq!( + it.next().map(|l| l.starts_with("thread '<unnamed>' (") && l.contains("panicked")), + Some(true), + "out: ```{err}```", + ); + assert_eq!(it.next().is_some(), true, "out: ```{err}```"); assert_eq!( it.next(), Some( "note: run with `RUST_BACKTRACE=1` \ environment variable to display a backtrace" - ) + ), + "out: ```{err}```", + ); + assert_eq!( + it.next().map(|l| l.starts_with("thread 'main' (") && l.contains("panicked at")), + Some(true), + "out: ```{err}```", ); - assert_eq!(it.next().map(|l| l.starts_with("thread 'main' panicked at")), Some(true)); - assert_eq!(it.next().is_some(), true); - assert_eq!(it.next(), None); + assert_eq!(it.next().is_some(), true, "out: ```{err}```"); + assert_eq!(it.next(), None, "out: ```{err}```"); } fn main() { diff --git a/tests/ui/process/println-with-broken-pipe.run.stderr b/tests/ui/process/println-with-broken-pipe.run.stderr index ab414994b56..c56793de525 100644 --- a/tests/ui/process/println-with-broken-pipe.run.stderr +++ b/tests/ui/process/println-with-broken-pipe.run.stderr @@ -1,4 +1,4 @@ -thread 'main' panicked at library/std/src/io/stdio.rs:LL:CC: +thread 'main' ($TID) panicked at library/std/src/io/stdio.rs:LL:CC: failed printing to stdout: Broken pipe (os error 32) note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace diff --git a/tests/ui/recursion/recursion.rs b/tests/ui/recursion/recursion.rs index 5cd4012a9d2..ae927b1b4c6 100644 --- a/tests/ui/recursion/recursion.rs +++ b/tests/ui/recursion/recursion.rs @@ -1,5 +1,5 @@ //@ build-fail -//@ compile-flags:-C overflow-checks=off +//@ compile-flags:-C overflow-checks=off --diagnostic-width=100 -Zwrite-long-types-to-disk=yes enum Nil {NilValue} struct Cons<T> {head:isize, tail:T} diff --git a/tests/ui/recursion/recursion.stderr b/tests/ui/recursion/recursion.stderr index f959805defc..974f18ed103 100644 --- a/tests/ui/recursion/recursion.stderr +++ b/tests/ui/recursion/recursion.stderr @@ -1,4 +1,4 @@ -error: reached the recursion limit while instantiating `test::<Cons<Cons<Cons<Cons<Cons<...>>>>>>` +error: reached the recursion limit while instantiating `test::<Cons<Cons<Cons<Cons<Cons<Cons<...>>>>>>>` --> $DIR/recursion.rs:17:11 | LL | _ => {test (n-1, i+1, Cons {head:2*i+1, tail:first}, Cons{head:i*i, tail:second})} @@ -9,7 +9,8 @@ note: `test` defined here | LL | fn test<T:Dot> (n:isize, i:isize, first:T, second:T) ->isize { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: the full type name has been written to '$TEST_BUILD_DIR/recursion.long-type.txt' + = note: the full name for the type has been written to '$TEST_BUILD_DIR/recursion.long-type-$LONG_TYPE_HASH.txt' + = note: consider using `--verbose` to print the full type name to the console error: aborting due to 1 previous error diff --git a/tests/ui/recursion/recursive-impl-trait-iterator-by-ref-67552.rs b/tests/ui/recursion/recursive-impl-trait-iterator-by-ref-67552.rs index 0875d385ddc..4abca916423 100644 --- a/tests/ui/recursion/recursive-impl-trait-iterator-by-ref-67552.rs +++ b/tests/ui/recursion/recursive-impl-trait-iterator-by-ref-67552.rs @@ -1,5 +1,5 @@ //@ build-fail -//@ compile-flags: -Copt-level=0 +//@ compile-flags: -Copt-level=0 --diagnostic-width=100 -Zwrite-long-types-to-disk=yes fn main() { rec(Empty); diff --git a/tests/ui/recursion/recursive-impl-trait-iterator-by-ref-67552.stderr b/tests/ui/recursion/recursive-impl-trait-iterator-by-ref-67552.stderr index fe005984fab..8d6d44dcbe2 100644 --- a/tests/ui/recursion/recursive-impl-trait-iterator-by-ref-67552.stderr +++ b/tests/ui/recursion/recursive-impl-trait-iterator-by-ref-67552.stderr @@ -1,4 +1,4 @@ -error: reached the recursion limit while instantiating `rec::<&mut &mut &mut &mut &mut ...>` +error: reached the recursion limit while instantiating `rec::<&mut &mut &mut &mut &mut &mut &mut &mut ...>` --> $DIR/recursive-impl-trait-iterator-by-ref-67552.rs:28:9 | LL | rec(identity(&mut it)) @@ -11,7 +11,8 @@ LL | / fn rec<T>(mut it: T) LL | | where LL | | T: Iterator, | |________________^ - = note: the full type name has been written to '$TEST_BUILD_DIR/recursive-impl-trait-iterator-by-ref-67552.long-type.txt' + = note: the full name for the type has been written to '$TEST_BUILD_DIR/recursive-impl-trait-iterator-by-ref-67552.long-type-$LONG_TYPE_HASH.txt' + = note: consider using `--verbose` to print the full type name to the console error: aborting due to 1 previous error diff --git a/tests/ui/issues/issue-2281-part1.rs b/tests/ui/resolve/cannot-find-value-in-scope-22811.rs index 8340ade2239..fc07ae5e60e 100644 --- a/tests/ui/issues/issue-2281-part1.rs +++ b/tests/ui/resolve/cannot-find-value-in-scope-22811.rs @@ -1 +1,2 @@ +// https://github.com/rust-lang/rust/issues/22811 fn main() { println!("{}", foobar); } //~ ERROR cannot find value `foobar` in this scope diff --git a/tests/ui/issues/issue-2281-part1.stderr b/tests/ui/resolve/cannot-find-value-in-scope-22811.stderr index 47a1ef8cc02..529fd7e8f49 100644 --- a/tests/ui/issues/issue-2281-part1.stderr +++ b/tests/ui/resolve/cannot-find-value-in-scope-22811.stderr @@ -1,5 +1,5 @@ error[E0425]: cannot find value `foobar` in this scope - --> $DIR/issue-2281-part1.rs:1:28 + --> $DIR/cannot-find-value-in-scope-22811.rs:2:28 | LL | fn main() { println!("{}", foobar); } | ^^^^^^ not found in this scope diff --git a/tests/ui/resolve/multiple_definitions_attribute_merging.rs b/tests/ui/resolve/multiple_definitions_attribute_merging.rs index 155abafdd9d..519b989fbe8 100644 --- a/tests/ui/resolve/multiple_definitions_attribute_merging.rs +++ b/tests/ui/resolve/multiple_definitions_attribute_merging.rs @@ -5,7 +5,7 @@ //@known-bug: #120873 //@ failure-status: 101 //@ normalize-stderr: "note: .*\n\n" -> "" -//@ normalize-stderr: "thread 'rustc' panicked.*\n" -> "" +//@ normalize-stderr: "thread 'rustc'.*panicked.*\n" -> "" //@ normalize-stderr: "(error: internal compiler error: [^:]+):\d+:\d+: " -> "$1:LL:CC: " //@ rustc-env:RUST_BACKTRACE=0 diff --git a/tests/ui/issues/issue-14254.rs b/tests/ui/resolve/pointer-type-impls-14254.rs index 90ad375c262..ea8fb6aa167 100644 --- a/tests/ui/issues/issue-14254.rs +++ b/tests/ui/resolve/pointer-type-impls-14254.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/14254 + //@ check-pass trait Foo: Sized { diff --git a/tests/ui/resolve/proc_macro_generated_packed.rs b/tests/ui/resolve/proc_macro_generated_packed.rs index 0cba3c1616d..41236c732bb 100644 --- a/tests/ui/resolve/proc_macro_generated_packed.rs +++ b/tests/ui/resolve/proc_macro_generated_packed.rs @@ -5,7 +5,7 @@ //@known-bug: #120873 //@ failure-status: 101 //@ normalize-stderr: "note: .*\n\n" -> "" -//@ normalize-stderr: "thread 'rustc' panicked.*\n" -> "" +//@ normalize-stderr: "thread 'rustc'.*panicked.*\n" -> "" //@ normalize-stderr: "(error: internal compiler error: [^:]+):\d+:\d+: " -> "$1:LL:CC: " //@ rustc-env:RUST_BACKTRACE=0 diff --git a/tests/ui/issues/issue-33293.rs b/tests/ui/resolve/unresolved-module-error-33293.rs index 115ae3aad20..354f9914d44 100644 --- a/tests/ui/issues/issue-33293.rs +++ b/tests/ui/resolve/unresolved-module-error-33293.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/33293 fn main() { match 0 { aaa::bbb(_) => () diff --git a/tests/ui/issues/issue-33293.stderr b/tests/ui/resolve/unresolved-module-error-33293.stderr index a82813194d7..28528148387 100644 --- a/tests/ui/issues/issue-33293.stderr +++ b/tests/ui/resolve/unresolved-module-error-33293.stderr @@ -1,5 +1,5 @@ error[E0433]: failed to resolve: use of unresolved module or unlinked crate `aaa` - --> $DIR/issue-33293.rs:3:9 + --> $DIR/unresolved-module-error-33293.rs:4:9 | LL | aaa::bbb(_) => () | ^^^ use of unresolved module or unlinked crate `aaa` diff --git a/tests/ui/issues/issue-14082.rs b/tests/ui/resolve/use-shadowing-14082.rs index 16556e1d260..9d7df5ed1c6 100644 --- a/tests/ui/issues/issue-14082.rs +++ b/tests/ui/resolve/use-shadowing-14082.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/14082 + //@ check-pass #![allow(unused_imports, dead_code)] diff --git a/tests/ui/issues/issue-47073-zero-padded-tuple-struct-indices.rs b/tests/ui/structs/tuple-struct-field-naming-47073.rs index 6cd1f144359..6cf27e55c4b 100644 --- a/tests/ui/issues/issue-47073-zero-padded-tuple-struct-indices.rs +++ b/tests/ui/structs/tuple-struct-field-naming-47073.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/47073 type Guilty = bool; type FineDollars = u32; diff --git a/tests/ui/issues/issue-47073-zero-padded-tuple-struct-indices.stderr b/tests/ui/structs/tuple-struct-field-naming-47073.stderr index 0a6fe24d5e3..efbdaeca4ea 100644 --- a/tests/ui/issues/issue-47073-zero-padded-tuple-struct-indices.stderr +++ b/tests/ui/structs/tuple-struct-field-naming-47073.stderr @@ -1,5 +1,5 @@ error[E0609]: no field `00` on type `Verdict` - --> $DIR/issue-47073-zero-padded-tuple-struct-indices.rs:8:30 + --> $DIR/tuple-struct-field-naming-47073.rs:9:30 | LL | let _condemned = justice.00; | ^^ unknown field @@ -11,7 +11,7 @@ LL + let _condemned = justice.0; | error[E0609]: no field `001` on type `Verdict` - --> $DIR/issue-47073-zero-padded-tuple-struct-indices.rs:10:31 + --> $DIR/tuple-struct-field-naming-47073.rs:11:31 | LL | let _punishment = justice.001; | ^^^ unknown field diff --git a/tests/ui/issues/auxiliary/issue-9188.rs b/tests/ui/symbol-names/auxiliary/aux-9188.rs index 3bc5697a1a6..3bc5697a1a6 100644 --- a/tests/ui/issues/auxiliary/issue-9188.rs +++ b/tests/ui/symbol-names/auxiliary/aux-9188.rs diff --git a/tests/ui/symbol-names/same-symbol-name-for-inner-statics-9188.rs b/tests/ui/symbol-names/same-symbol-name-for-inner-statics-9188.rs new file mode 100644 index 00000000000..a1014bb813f --- /dev/null +++ b/tests/ui/symbol-names/same-symbol-name-for-inner-statics-9188.rs @@ -0,0 +1,11 @@ +// https://github.com/rust-lang/rust/issues/9188 +//@ run-pass +//@ aux-build:aux-9188.rs + +extern crate aux_9188 as lib; + +pub fn main() { + let a = lib::bar(); + let b = lib::foo::<isize>(); + assert_eq!(*a, *b); +} diff --git a/tests/ui/target-feature/gate.rs b/tests/ui/target-feature/gate.rs index 9244a98d82f..81ed8b3de76 100644 --- a/tests/ui/target-feature/gate.rs +++ b/tests/ui/target-feature/gate.rs @@ -6,6 +6,7 @@ // gate-test-arm_target_feature // gate-test-hexagon_target_feature // gate-test-mips_target_feature +// gate-test-nvptx_target_feature // gate-test-wasm_target_feature // gate-test-adx_target_feature // gate-test-cmpxchg16b_target_feature diff --git a/tests/ui/target-feature/gate.stderr b/tests/ui/target-feature/gate.stderr index 32d60ce4382..3e9374be73d 100644 --- a/tests/ui/target-feature/gate.stderr +++ b/tests/ui/target-feature/gate.stderr @@ -1,5 +1,5 @@ error[E0658]: the target feature `x87` is currently unstable - --> $DIR/gate.rs:29:18 + --> $DIR/gate.rs:30:18 | LL | #[target_feature(enable = "x87")] | ^^^^^^^^^^^^^^ diff --git a/tests/ui/target-feature/implied-features-nvptx.rs b/tests/ui/target-feature/implied-features-nvptx.rs new file mode 100644 index 00000000000..1550c99f67a --- /dev/null +++ b/tests/ui/target-feature/implied-features-nvptx.rs @@ -0,0 +1,28 @@ +//@ assembly-output: ptx-linker +//@ compile-flags: --crate-type cdylib -C target-cpu=sm_80 -Z unstable-options -Clinker-flavor=llbc +//@ only-nvptx64 +//@ build-pass +#![no_std] +#![allow(dead_code)] + +#[panic_handler] +pub fn panic(_info: &core::panic::PanicInfo) -> ! { + loop {} +} + +// -Ctarget-cpu=sm_80 directly enables sm_80 and ptx70 +#[cfg(not(all(target_feature = "sm_80", target_feature = "ptx70")))] +compile_error!("direct target features not enabled"); + +// -Ctarget-cpu=sm_80 implies all earlier sm_* and ptx* features. +#[cfg(not(all( + target_feature = "sm_60", + target_feature = "sm_70", + target_feature = "ptx50", + target_feature = "ptx60", +)))] +compile_error!("implied target features not enabled"); + +// -Ctarget-cpu=sm_80 implies all earlier sm_* and ptx* features. +#[cfg(target_feature = "ptx71")] +compile_error!("sm_80 requires only ptx70, but ptx71 enabled"); diff --git a/tests/ui/test-attrs/terse.run.stdout b/tests/ui/test-attrs/terse.run.stdout index ac1ac28c98d..381d3cbe675 100644 --- a/tests/ui/test-attrs/terse.run.stdout +++ b/tests/ui/test-attrs/terse.run.stdout @@ -10,18 +10,18 @@ failures: ---- abc stdout ---- -thread 'abc' panicked at $DIR/terse.rs:12:5: +thread 'abc' ($TID) panicked at $DIR/terse.rs:12:5: explicit panic note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace ---- foo stdout ---- -thread 'foo' panicked at $DIR/terse.rs:17:5: +thread 'foo' ($TID) panicked at $DIR/terse.rs:17:5: explicit panic ---- foo2 stdout ---- -thread 'foo2' panicked at $DIR/terse.rs:22:5: +thread 'foo2' ($TID) panicked at $DIR/terse.rs:22:5: explicit panic diff --git a/tests/ui/test-attrs/test-panic-abort-nocapture.run.stderr b/tests/ui/test-attrs/test-panic-abort-nocapture.run.stderr index b9f267838b1..8d7c62f8ec7 100644 --- a/tests/ui/test-attrs/test-panic-abort-nocapture.run.stderr +++ b/tests/ui/test-attrs/test-panic-abort-nocapture.run.stderr @@ -1,11 +1,11 @@ -thread 'main' panicked at $DIR/test-panic-abort-nocapture.rs:32:5: +thread 'main' ($TID) panicked at $DIR/test-panic-abort-nocapture.rs:32:5: assertion `left == right` failed left: 2 right: 4 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace -thread 'main' panicked at $DIR/test-panic-abort-nocapture.rs:26:5: +thread 'main' ($TID) panicked at $DIR/test-panic-abort-nocapture.rs:26:5: assertion `left == right` failed left: 2 right: 4 diff --git a/tests/ui/test-attrs/test-panic-abort.run.stdout b/tests/ui/test-attrs/test-panic-abort.run.stdout index 0faa7f0dfce..4d65c05b944 100644 --- a/tests/ui/test-attrs/test-panic-abort.run.stdout +++ b/tests/ui/test-attrs/test-panic-abort.run.stdout @@ -18,7 +18,7 @@ testing123 ---- it_fails stderr ---- testing321 -thread 'main' panicked at $DIR/test-panic-abort.rs:37:5: +thread 'main' ($TID) panicked at $DIR/test-panic-abort.rs:37:5: assertion `left == right` failed left: 2 right: 5 diff --git a/tests/ui/test-attrs/test-should-panic-attr.rs b/tests/ui/test-attrs/test-should-panic-attr.rs index df2893b63ed..af54689551c 100644 --- a/tests/ui/test-attrs/test-should-panic-attr.rs +++ b/tests/ui/test-attrs/test-should-panic-attr.rs @@ -1,4 +1,3 @@ -//@ check-pass //@ compile-flags: --test #[test] @@ -9,28 +8,32 @@ fn test1() { #[test] #[should_panic(expected)] -//~^ WARN: argument must be of the form: +//~^ ERROR malformed `should_panic` attribute input +//~| NOTE expected this to be of the form `expected = "..."` fn test2() { panic!(); } #[test] #[should_panic(expect)] -//~^ WARN: argument must be of the form: +//~^ ERROR malformed `should_panic` attribute input +//~| NOTE the only valid argument here is "expected" fn test3() { panic!(); } #[test] #[should_panic(expected(foo, bar))] -//~^ WARN: argument must be of the form: +//~^ ERROR malformed `should_panic` attribute input +//~| NOTE expected this to be of the form `expected = "..."` fn test4() { panic!(); } #[test] #[should_panic(expected = "foo", bar)] -//~^ WARN: argument must be of the form: +//~^ ERROR malformed `should_panic` attribute input +//~| NOTE expected a single argument here fn test5() { panic!(); } diff --git a/tests/ui/test-attrs/test-should-panic-attr.stderr b/tests/ui/test-attrs/test-should-panic-attr.stderr index 492d1d5e03a..5dfc8e503e8 100644 --- a/tests/ui/test-attrs/test-should-panic-attr.stderr +++ b/tests/ui/test-attrs/test-should-panic-attr.stderr @@ -1,34 +1,82 @@ -warning: argument must be of the form: `expected = "error message"` - --> $DIR/test-should-panic-attr.rs:11:1 +error[E0539]: malformed `should_panic` attribute input + --> $DIR/test-should-panic-attr.rs:10:1 | LL | #[should_panic(expected)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^--------^^ + | | + | expected this to be of the form `expected = "..."` + | +help: try changing it to one of the following valid forms of the attribute + | +LL - #[should_panic(expected)] +LL + #[should_panic = "reason"] + | +LL | #[should_panic(expected = "reason")] + | ++++++++++ +LL - #[should_panic(expected)] +LL + #[should_panic] | - = note: errors in this attribute were erroneously allowed and will become a hard error in a future release -warning: argument must be of the form: `expected = "error message"` +error[E0539]: malformed `should_panic` attribute input --> $DIR/test-should-panic-attr.rs:18:1 | LL | #[should_panic(expect)] - | ^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^--------^ + | | + | the only valid argument here is "expected" + | +help: try changing it to one of the following valid forms of the attribute + | +LL - #[should_panic(expect)] +LL + #[should_panic = "reason"] + | +LL | #[should_panic(expected = "reason")] + | +++++++++++++ +LL - #[should_panic(expect)] +LL + #[should_panic] | - = note: errors in this attribute were erroneously allowed and will become a hard error in a future release -warning: argument must be of the form: `expected = "error message"` - --> $DIR/test-should-panic-attr.rs:25:1 +error[E0539]: malformed `should_panic` attribute input + --> $DIR/test-should-panic-attr.rs:26:1 | LL | #[should_panic(expected(foo, bar))] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^------------------^^ + | | + | expected this to be of the form `expected = "..."` + | +help: try changing it to one of the following valid forms of the attribute + | +LL - #[should_panic(expected(foo, bar))] +LL + #[should_panic = "reason"] + | +LL - #[should_panic(expected(foo, bar))] +LL + #[should_panic(expected = "reason")] + | +LL - #[should_panic(expected(foo, bar))] +LL + #[should_panic] | - = note: errors in this attribute were erroneously allowed and will become a hard error in a future release -warning: argument must be of the form: `expected = "error message"` - --> $DIR/test-should-panic-attr.rs:32:1 +error[E0805]: malformed `should_panic` attribute input + --> $DIR/test-should-panic-attr.rs:34:1 | LL | #[should_panic(expected = "foo", bar)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^-----------------------^ + | | + | expected a single argument here + | +help: try changing it to one of the following valid forms of the attribute + | +LL - #[should_panic(expected = "foo", bar)] +LL + #[should_panic = "reason"] + | +LL - #[should_panic(expected = "foo", bar)] +LL + #[should_panic(expected = "reason")] + | +LL - #[should_panic(expected = "foo", bar)] +LL + #[should_panic] | - = note: errors in this attribute were erroneously allowed and will become a hard error in a future release -warning: 4 warnings emitted +error: aborting due to 4 previous errors +Some errors have detailed explanations: E0539, E0805. +For more information about an error, try `rustc --explain E0539`. diff --git a/tests/ui/test-attrs/test-should-panic-failed-show-span.run.stderr b/tests/ui/test-attrs/test-should-panic-failed-show-span.run.stderr index db379a16b52..63bc10ef5ea 100644 --- a/tests/ui/test-attrs/test-should-panic-failed-show-span.run.stderr +++ b/tests/ui/test-attrs/test-should-panic-failed-show-span.run.stderr @@ -1,13 +1,13 @@ -thread 'should_panic_with_any_message' panicked at $DIR/test-should-panic-failed-show-span.rs:14:5: +thread 'should_panic_with_any_message' ($TID) panicked at $DIR/test-should-panic-failed-show-span.rs:14:5: Panic! note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace -thread 'should_panic_with_message' panicked at $DIR/test-should-panic-failed-show-span.rs:20:5: +thread 'should_panic_with_message' ($TID) panicked at $DIR/test-should-panic-failed-show-span.rs:20:5: message -thread 'should_panic_with_substring_panics_with_incorrect_string' panicked at $DIR/test-should-panic-failed-show-span.rs:38:5: +thread 'should_panic_with_substring_panics_with_incorrect_string' ($TID) panicked at $DIR/test-should-panic-failed-show-span.rs:38:5: ZOMGWTFBBQ -thread 'should_panic_with_substring_panics_with_non_string_value' panicked at $DIR/test-should-panic-failed-show-span.rs:45:5: +thread 'should_panic_with_substring_panics_with_non_string_value' ($TID) panicked at $DIR/test-should-panic-failed-show-span.rs:45:5: Box<dyn Any> diff --git a/tests/ui/test-attrs/test-thread-capture.run.stdout b/tests/ui/test-attrs/test-thread-capture.run.stdout index f9b9757f861..bea3dcb1041 100644 --- a/tests/ui/test-attrs/test-thread-capture.run.stdout +++ b/tests/ui/test-attrs/test-thread-capture.run.stdout @@ -11,7 +11,7 @@ fie foe fum -thread 'thready_fail' panicked at $DIR/test-thread-capture.rs:32:5: +thread 'thready_fail' ($TID) panicked at $DIR/test-thread-capture.rs:32:5: explicit panic note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace diff --git a/tests/ui/test-attrs/test-thread-nocapture.run.stderr b/tests/ui/test-attrs/test-thread-nocapture.run.stderr index 59560015fca..b9905b0c2f9 100644 --- a/tests/ui/test-attrs/test-thread-nocapture.run.stderr +++ b/tests/ui/test-attrs/test-thread-nocapture.run.stderr @@ -1,4 +1,4 @@ -thread 'thready_fail' panicked at $DIR/test-thread-nocapture.rs:32:5: +thread 'thready_fail' ($TID) panicked at $DIR/test-thread-nocapture.rs:32:5: explicit panic note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace diff --git a/tests/ui/track-diagnostics/track.rs b/tests/ui/track-diagnostics/track.rs index 1b2558c724b..9ce0a4a555a 100644 --- a/tests/ui/track-diagnostics/track.rs +++ b/tests/ui/track-diagnostics/track.rs @@ -13,6 +13,11 @@ // top of this file are present, then assume all args are present. //@ normalize-stderr: "note: compiler flags: .*-Z ui-testing.*-Z track-diagnostics" -> "note: compiler flags: ... -Z ui-testing ... -Z track-diagnostics" +// FIXME: this tests a crash in rustc. For stage1, rustc is built with the downloaded standard +// library which doesn't yet print the thread ID. Normalization can be removed at the stage bump. +// For the grep: cfg(bootstrap) +//@normalize-stderr: "thread 'rustc' panicked" -> "thread 'rustc' ($$TID) panicked" + fn main() { break rust //~^ ERROR cannot find value `rust` in this scope diff --git a/tests/ui/track-diagnostics/track.stderr b/tests/ui/track-diagnostics/track.stderr index f82764958d4..bc04ded379d 100644 --- a/tests/ui/track-diagnostics/track.stderr +++ b/tests/ui/track-diagnostics/track.stderr @@ -27,7 +27,7 @@ LL | break rust = note: compiler flags: ... -Z ui-testing ... -Z track-diagnostics -thread 'rustc' panicked at compiler/rustc_hir_typeck/src/lib.rs:LL:CC: +thread 'rustc' ($TID) panicked at compiler/rustc_hir_typeck/src/lib.rs:LL:CC: Box<dyn Any> note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace diff --git a/tests/ui/issues/issue-13775.rs b/tests/ui/trait-bounds/anonymous-parameters-13775.rs index 1477dab9e21..297d4b59587 100644 --- a/tests/ui/issues/issue-13775.rs +++ b/tests/ui/trait-bounds/anonymous-parameters-13775.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/13775 + //@ edition: 2015 //@ check-pass diff --git a/tests/ui/issues/issue-72839-error-overflow.rs b/tests/ui/trait-bounds/trait-selection-overflow-prevention-72839.rs index 6562d228409..436657e3de5 100644 --- a/tests/ui/issues/issue-72839-error-overflow.rs +++ b/tests/ui/trait-bounds/trait-selection-overflow-prevention-72839.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/72839 // Regression test for issue #72839 // Tests that we do not overflow during trait selection after // a type error occurs diff --git a/tests/ui/issues/issue-72839-error-overflow.stderr b/tests/ui/trait-bounds/trait-selection-overflow-prevention-72839.stderr index 35be632f579..da7500f77e1 100644 --- a/tests/ui/issues/issue-72839-error-overflow.stderr +++ b/tests/ui/trait-bounds/trait-selection-overflow-prevention-72839.stderr @@ -1,5 +1,5 @@ error[E0425]: cannot find value `missing_var` in this scope - --> $DIR/issue-72839-error-overflow.rs:18:8 + --> $DIR/trait-selection-overflow-prevention-72839.rs:19:8 | LL | if missing_var % 8 == 0 {} | ^^^^^^^^^^^ not found in this scope diff --git a/tests/ui/issues/issue-47638.rs b/tests/ui/trait-objects/trait-object-lifetime-conversion-47638.rs index e5a51ce0c06..c70dc74f3e5 100644 --- a/tests/ui/issues/issue-47638.rs +++ b/tests/ui/trait-objects/trait-object-lifetime-conversion-47638.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/47638 //@ run-pass #![allow(unused_variables)] fn id<'c, 'b>(f: &'c &'b dyn Fn(&i32)) -> &'c &'b dyn Fn(&'static i32) { diff --git a/tests/ui/traits/const-traits/const-closure-issue-125866-error.rs b/tests/ui/traits/const-traits/const-closure-issue-125866-error.rs new file mode 100644 index 00000000000..7a44920bb72 --- /dev/null +++ b/tests/ui/traits/const-traits/const-closure-issue-125866-error.rs @@ -0,0 +1,24 @@ +#![allow(incomplete_features)] +#![feature(const_closures, const_trait_impl)] + +const fn create_array<const N: usize>(mut f: impl FnMut(usize) -> u32 + Copy) -> [u32; N] { + let mut array = [0; N]; + let mut i = 0; + loop { + array[i] = f(i); + //~^ ERROR the trait bound `impl FnMut(usize) -> u32 + Copy: [const] FnMut(usize)` is not satisfied [E0277] + i += 1; + if i == N { + break; + } + } + array +} + +fn main() { + let x = create_array(const |i| 2 * i as u32); + assert_eq!(x, [0, 2, 4, 6, 8]); + + let y = create_array(const |i| 2 * i as u32 + 1); + assert_eq!(y, [1, 3, 5, 7, 9]); +} diff --git a/tests/ui/traits/const-traits/const-closure-issue-125866-error.stderr b/tests/ui/traits/const-traits/const-closure-issue-125866-error.stderr new file mode 100644 index 00000000000..1eadd1d8426 --- /dev/null +++ b/tests/ui/traits/const-traits/const-closure-issue-125866-error.stderr @@ -0,0 +1,11 @@ +error[E0277]: the trait bound `impl FnMut(usize) -> u32 + Copy: [const] FnMut(usize)` is not satisfied + --> $DIR/const-closure-issue-125866-error.rs:8:22 + | +LL | array[i] = f(i); + | - ^ + | | + | required by a bound introduced by this call + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/traits/const-traits/const-closure-issue-125866-pass.rs b/tests/ui/traits/const-traits/const-closure-issue-125866-pass.rs new file mode 100644 index 00000000000..af7375172e6 --- /dev/null +++ b/tests/ui/traits/const-traits/const-closure-issue-125866-pass.rs @@ -0,0 +1,25 @@ +//@ check-pass + +#![allow(incomplete_features)] +#![feature(const_closures, const_trait_impl)] + +const fn create_array<const N: usize>(mut f: impl [const] FnMut(usize) -> u32 + Copy) -> [u32; N] { + let mut array = [0; N]; + let mut i = 0; + loop { + array[i] = f(i); + i += 1; + if i == N { + break; + } + } + array +} + +fn main() { + let x = create_array(const |i| 2 * i as u32); + assert_eq!(x, [0, 2, 4, 6, 8]); + + let y = create_array(const |i| 2 * i as u32 + 1); + assert_eq!(y, [1, 3, 5, 7, 9]); +} diff --git a/tests/ui/traits/const-traits/const-fn-trait-bound-issue-104314.rs b/tests/ui/traits/const-traits/const-fn-trait-bound-issue-104314.rs new file mode 100644 index 00000000000..09c89c9cecd --- /dev/null +++ b/tests/ui/traits/const-traits/const-fn-trait-bound-issue-104314.rs @@ -0,0 +1,13 @@ +//@ check-pass + +#![feature(const_trait_impl, const_destruct, const_clone)] + +use std::marker::Destruct; + +const fn f<T, F: [const] Fn(&T) -> T + [const] Destruct>(_: F) {} + +const fn g<T: [const] Clone>() { + f(<T as Clone>::clone); +} + +fn main() {} diff --git a/tests/ui/traits/const-traits/feature-gate.rs b/tests/ui/traits/const-traits/feature-gate.rs index 5ad56ddcd33..c2918f0249b 100644 --- a/tests/ui/traits/const-traits/feature-gate.rs +++ b/tests/ui/traits/const-traits/feature-gate.rs @@ -13,6 +13,9 @@ impl const T for S {} const fn f<A: [const] T>() {} //[stock]~ ERROR const trait impls are experimental fn g<A: const T>() {} //[stock]~ ERROR const trait impls are experimental +const trait Trait {} //[stock]~ ERROR const trait impls are experimental +#[cfg(false)] const trait Trait {} //[stock]~ ERROR const trait impls are experimental + macro_rules! discard { ($ty:ty) => {} } discard! { impl [const] T } //[stock]~ ERROR const trait impls are experimental diff --git a/tests/ui/traits/const-traits/feature-gate.stock.stderr b/tests/ui/traits/const-traits/feature-gate.stock.stderr index f3ba3039a23..551c7ced7c1 100644 --- a/tests/ui/traits/const-traits/feature-gate.stock.stderr +++ b/tests/ui/traits/const-traits/feature-gate.stock.stderr @@ -29,7 +29,27 @@ LL | fn g<A: const T>() {} = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: const trait impls are experimental - --> $DIR/feature-gate.rs:18:17 + --> $DIR/feature-gate.rs:16:1 + | +LL | const trait Trait {} + | ^^^^^ + | + = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information + = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable + = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date + +error[E0658]: const trait impls are experimental + --> $DIR/feature-gate.rs:17:15 + | +LL | #[cfg(false)] const trait Trait {} + | ^^^^^ + | + = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information + = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable + = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date + +error[E0658]: const trait impls are experimental + --> $DIR/feature-gate.rs:21:17 | LL | discard! { impl [const] T } | ^^^^^^^ @@ -39,7 +59,7 @@ LL | discard! { impl [const] T } = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: const trait impls are experimental - --> $DIR/feature-gate.rs:19:17 + --> $DIR/feature-gate.rs:22:17 | LL | discard! { impl const T } | ^^^^^ @@ -58,6 +78,6 @@ LL | #[const_trait] = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date -error: aborting due to 6 previous errors +error: aborting due to 8 previous errors For more information about this error, try `rustc --explain E0658`. diff --git a/tests/ui/issues/issue-14229.rs b/tests/ui/traits/impl-trait-chain-14229.rs index eb6324da3b6..4a234f3a681 100644 --- a/tests/ui/issues/issue-14229.rs +++ b/tests/ui/traits/impl-trait-chain-14229.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/14229 + //@ run-pass trait Foo: Sized { fn foo(self) {} diff --git a/tests/ui/traits/inductive-overflow/supertrait-auto-trait.stderr b/tests/ui/traits/inductive-overflow/supertrait-auto-trait.stderr index 3a3b99f6c5b..45602d676b3 100644 --- a/tests/ui/traits/inductive-overflow/supertrait-auto-trait.stderr +++ b/tests/ui/traits/inductive-overflow/supertrait-auto-trait.stderr @@ -1,8 +1,8 @@ error[E0568]: auto traits cannot have super traits or lifetime bounds - --> $DIR/supertrait-auto-trait.rs:8:17 + --> $DIR/supertrait-auto-trait.rs:8:19 | LL | auto trait Magic: Copy {} - | -----^^^^^^ help: remove the super traits or lifetime bounds + | ----- ^^^^ | | | auto traits cannot have super traits or lifetime bounds diff --git a/tests/ui/issues/issue-14853.rs b/tests/ui/traits/trait-bound-mismatch-14853.rs index 4ce6e3174d0..3f2a1408a13 100644 --- a/tests/ui/issues/issue-14853.rs +++ b/tests/ui/traits/trait-bound-mismatch-14853.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/14853 + use std::fmt::Debug; trait Str {} diff --git a/tests/ui/issues/issue-14853.stderr b/tests/ui/traits/trait-bound-mismatch-14853.stderr index 25dd1e3374d..8ee8f51a135 100644 --- a/tests/ui/issues/issue-14853.stderr +++ b/tests/ui/traits/trait-bound-mismatch-14853.stderr @@ -1,5 +1,5 @@ error[E0276]: impl has stricter requirements than trait - --> $DIR/issue-14853.rs:12:15 + --> $DIR/trait-bound-mismatch-14853.rs:14:15 | LL | fn yay<T: Debug>(_: Option<Self>, thing: &[T]); | ----------------------------------------------- definition of `yay` from trait diff --git a/tests/ui/issues/issue-20413.rs b/tests/ui/traits/trait-impl-overflow-with-where-clause-20413.rs index 138a235e675..e8c27ff5cc8 100644 --- a/tests/ui/issues/issue-20413.rs +++ b/tests/ui/traits/trait-impl-overflow-with-where-clause-20413.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/20413 trait Foo { fn answer(self); } diff --git a/tests/ui/issues/issue-20413.stderr b/tests/ui/traits/trait-impl-overflow-with-where-clause-20413.stderr index 42f3cd2d062..72aff1b9ee8 100644 --- a/tests/ui/issues/issue-20413.stderr +++ b/tests/ui/traits/trait-impl-overflow-with-where-clause-20413.stderr @@ -1,5 +1,5 @@ error[E0392]: type parameter `T` is never used - --> $DIR/issue-20413.rs:5:15 + --> $DIR/trait-impl-overflow-with-where-clause-20413.rs:6:15 | LL | struct NoData<T>; | ^ unused type parameter @@ -8,14 +8,14 @@ LL | struct NoData<T>; = help: if you intended `T` to be a const parameter, use `const T: /* Type */` instead error[E0275]: overflow evaluating the requirement `NoData<NoData<NoData<NoData<NoData<NoData<NoData<...>>>>>>>: Foo` - --> $DIR/issue-20413.rs:8:36 + --> $DIR/trait-impl-overflow-with-where-clause-20413.rs:9:36 | LL | impl<T> Foo for T where NoData<T>: Foo { | ^^^ | - = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`issue_20413`) + = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`trait_impl_overflow_with_where_clause_20413`) note: required for `NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<T>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` to implement `Foo` - --> $DIR/issue-20413.rs:8:9 + --> $DIR/trait-impl-overflow-with-where-clause-20413.rs:9:9 | LL | impl<T> Foo for T where NoData<T>: Foo { | ^^^ ^ --- unsatisfied trait bound introduced here @@ -23,19 +23,19 @@ LL | impl<T> Foo for T where NoData<T>: Foo { = note: required for `NoData<T>` to implement `Foo` error[E0275]: overflow evaluating the requirement `AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<...>>>>>>>: Bar` - --> $DIR/issue-20413.rs:27:42 + --> $DIR/trait-impl-overflow-with-where-clause-20413.rs:28:42 | LL | impl<T> Bar for T where EvenLessData<T>: Baz { | ^^^ | - = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`issue_20413`) + = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`trait_impl_overflow_with_where_clause_20413`) note: required for `EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<T>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` to implement `Baz` - --> $DIR/issue-20413.rs:34:9 + --> $DIR/trait-impl-overflow-with-where-clause-20413.rs:35:9 | LL | impl<T> Baz for T where AlmostNoData<T>: Bar { | ^^^ ^ --- unsatisfied trait bound introduced here note: required for `AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<T>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` to implement `Bar` - --> $DIR/issue-20413.rs:27:9 + --> $DIR/trait-impl-overflow-with-where-clause-20413.rs:28:9 | LL | impl<T> Bar for T where EvenLessData<T>: Baz { | ^^^ ^ --- unsatisfied trait bound introduced here @@ -43,19 +43,19 @@ LL | impl<T> Bar for T where EvenLessData<T>: Baz { = note: required for `EvenLessData<T>` to implement `Baz` error[E0275]: overflow evaluating the requirement `EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<...>>>>>>>: Baz` - --> $DIR/issue-20413.rs:34:42 + --> $DIR/trait-impl-overflow-with-where-clause-20413.rs:35:42 | LL | impl<T> Baz for T where AlmostNoData<T>: Bar { | ^^^ | - = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`issue_20413`) + = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`trait_impl_overflow_with_where_clause_20413`) note: required for `AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<T>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` to implement `Bar` - --> $DIR/issue-20413.rs:27:9 + --> $DIR/trait-impl-overflow-with-where-clause-20413.rs:28:9 | LL | impl<T> Bar for T where EvenLessData<T>: Baz { | ^^^ ^ --- unsatisfied trait bound introduced here note: required for `EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<T>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` to implement `Baz` - --> $DIR/issue-20413.rs:34:9 + --> $DIR/trait-impl-overflow-with-where-clause-20413.rs:35:9 | LL | impl<T> Baz for T where AlmostNoData<T>: Bar { | ^^^ ^ --- unsatisfied trait bound introduced here diff --git a/tests/ui/treat-err-as-bug/err.rs b/tests/ui/treat-err-as-bug/err.rs index 6f0e3c55fbb..f297a5773cb 100644 --- a/tests/ui/treat-err-as-bug/err.rs +++ b/tests/ui/treat-err-as-bug/err.rs @@ -1,7 +1,7 @@ //@ compile-flags: -Ztreat-err-as-bug //@ failure-status: 101 //@ normalize-stderr: "note: .*\n\n" -> "" -//@ normalize-stderr: "thread 'rustc' panicked.*:\n.*\n" -> "" +//@ normalize-stderr: "thread 'rustc'.*panicked.*:\n.*\n" -> "" //@ rustc-env:RUST_BACKTRACE=0 #![crate_type = "rlib"] diff --git a/tests/ui/treat-err-as-bug/span_delayed_bug.rs b/tests/ui/treat-err-as-bug/span_delayed_bug.rs index 4681a8fc1ee..ff5a595899a 100644 --- a/tests/ui/treat-err-as-bug/span_delayed_bug.rs +++ b/tests/ui/treat-err-as-bug/span_delayed_bug.rs @@ -1,7 +1,7 @@ //@ compile-flags: -Ztreat-err-as-bug -Zeagerly-emit-delayed-bugs //@ failure-status: 101 //@ normalize-stderr: "note: .*\n\n" -> "" -//@ normalize-stderr: "thread 'rustc' panicked.*:\n.*\n" -> "" +//@ normalize-stderr: "thread 'rustc'.*panicked.*:\n.*\n" -> "" //@ rustc-env:RUST_BACKTRACE=0 #![feature(rustc_attrs)] diff --git a/tests/ui/issues/issue-51632-try-desugar-incompatible-types.rs b/tests/ui/try-trait/incompatible-types-with-question-mark-51632.rs index 35402dff675..4b2081d14d0 100644 --- a/tests/ui/issues/issue-51632-try-desugar-incompatible-types.rs +++ b/tests/ui/try-trait/incompatible-types-with-question-mark-51632.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/51632 #![allow(dead_code)] fn missing_discourses() -> Result<isize, ()> { diff --git a/tests/ui/issues/issue-51632-try-desugar-incompatible-types.stderr b/tests/ui/try-trait/incompatible-types-with-question-mark-51632.stderr index 99fce1eeea6..c624605d76a 100644 --- a/tests/ui/issues/issue-51632-try-desugar-incompatible-types.stderr +++ b/tests/ui/try-trait/incompatible-types-with-question-mark-51632.stderr @@ -1,5 +1,5 @@ error[E0308]: `?` operator has incompatible types - --> $DIR/issue-51632-try-desugar-incompatible-types.rs:8:5 + --> $DIR/incompatible-types-with-question-mark-51632.rs:9:5 | LL | fn forbidden_narratives() -> Result<isize, ()> { | ----------------- expected `Result<isize, ()>` because of return type diff --git a/tests/ui/type-inference/float-type-inference-unification-14382.rs b/tests/ui/type-inference/float-type-inference-unification-14382.rs index 5bf497d2eab..a78dbe9d09c 100644 --- a/tests/ui/type-inference/float-type-inference-unification-14382.rs +++ b/tests/ui/type-inference/float-type-inference-unification-14382.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/14382 + //@ run-pass #[derive(Debug)] struct Matrix4<S>(#[allow(dead_code)] S); @@ -13,5 +15,3 @@ fn main() { let m : Matrix4<f32> = translate(x); println!("m: {:?}", m); } - -// https://github.com/rust-lang/rust/issues/14382 diff --git a/tests/ui/type-inference/unbounded-type-param-in-fn-with-assoc-type.stderr b/tests/ui/type-inference/unbounded-type-param-in-fn-with-assoc-type.stderr index bf8829c0925..e8bbdaaacbf 100644 --- a/tests/ui/type-inference/unbounded-type-param-in-fn-with-assoc-type.stderr +++ b/tests/ui/type-inference/unbounded-type-param-in-fn-with-assoc-type.stderr @@ -13,7 +13,7 @@ error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0282`. Future incompatibility report: Future breakage diagnostic: -warning: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +warning: defaults for generic parameters are not allowed here --> $DIR/unbounded-type-param-in-fn-with-assoc-type.rs:3:11 | LL | fn foo<T, U = u64>() -> (T, U) { diff --git a/tests/ui/type/default_type_parameter_in_fn_or_impl.rs b/tests/ui/type/default_type_parameter_in_fn_or_impl.rs deleted file mode 100644 index 33038e24bc6..00000000000 --- a/tests/ui/type/default_type_parameter_in_fn_or_impl.rs +++ /dev/null @@ -1,12 +0,0 @@ -#![allow(unused)] - -fn avg<T=i32>(_: T) {} -//~^ ERROR defaults for type parameters are only allowed -//~| WARN this was previously accepted - -struct S<T>(T); -impl<T=i32> S<T> {} -//~^ ERROR defaults for type parameters are only allowed -//~| WARN this was previously accepted - -fn main() {} diff --git a/tests/ui/type/default_type_parameter_in_fn_or_impl.stderr b/tests/ui/type/default_type_parameter_in_fn_or_impl.stderr deleted file mode 100644 index a3205cd3c29..00000000000 --- a/tests/ui/type/default_type_parameter_in_fn_or_impl.stderr +++ /dev/null @@ -1,43 +0,0 @@ -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - --> $DIR/default_type_parameter_in_fn_or_impl.rs:3:8 - | -LL | fn avg<T=i32>(_: T) {} - | ^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> - = note: `#[deny(invalid_type_param_default)]` on by default - -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - --> $DIR/default_type_parameter_in_fn_or_impl.rs:8:6 - | -LL | impl<T=i32> S<T> {} - | ^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> - -error: aborting due to 2 previous errors - -Future incompatibility report: Future breakage diagnostic: -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - --> $DIR/default_type_parameter_in_fn_or_impl.rs:3:8 - | -LL | fn avg<T=i32>(_: T) {} - | ^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> - = note: `#[deny(invalid_type_param_default)]` on by default - -Future breakage diagnostic: -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - --> $DIR/default_type_parameter_in_fn_or_impl.rs:8:6 - | -LL | impl<T=i32> S<T> {} - | ^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> - = note: `#[deny(invalid_type_param_default)]` on by default - diff --git a/tests/ui/type/pattern_types/bad_const_generics_args_on_const_param.rs b/tests/ui/type/pattern_types/bad_const_generics_args_on_const_param.rs index c28fda6f91a..ff99ac98926 100644 --- a/tests/ui/type/pattern_types/bad_const_generics_args_on_const_param.rs +++ b/tests/ui/type/pattern_types/bad_const_generics_args_on_const_param.rs @@ -1,7 +1,7 @@ //@known-bug: #127972 //@ failure-status: 101 //@ normalize-stderr: "note: .*\n\n" -> "" -//@ normalize-stderr: "thread 'rustc' panicked.*\n" -> "" +//@ normalize-stderr: "thread 'rustc'.*panicked.*\n" -> "" //@ normalize-stderr: "(error: internal compiler error: [^:]+):\d+:\d+: " -> "$1:LL:CC: " //@ rustc-env:RUST_BACKTRACE=0 diff --git a/tests/ui/type/type-name-basic.rs b/tests/ui/type/type-name-basic.rs index 9381cb82578..6a9f772e542 100644 --- a/tests/ui/type/type-name-basic.rs +++ b/tests/ui/type/type-name-basic.rs @@ -6,12 +6,85 @@ #![allow(dead_code)] use std::any::type_name; +use std::borrow::Cow; -struct Foo<T> { - x: T, +struct Foo<T>(T); + +struct Bar<'a>(&'a u32); + +struct Baz<'a, T>(&'a T); + +trait TrL<'a> {} +trait TrLA<'a> { + type A; +} +trait TrLT<'a, T> {} +trait TrLTA<'a, T> { + type A; +} + +macro_rules! t { + ($ty:ty, $str:literal) => { + assert_eq!(type_name::<$ty>(), $str); + } } pub fn main() { - assert_eq!(type_name::<isize>(), "isize"); - assert_eq!(type_name::<Foo<usize>>(), "type_name_basic::Foo<usize>"); + t!(bool, "bool"); + t!(char, "char"); + + t!(u8, "u8"); + t!(u16, "u16"); + t!(u32, "u32"); + t!(u64, "u64"); + t!(u128, "u128"); + t!(usize, "usize"); + + t!(i8, "i8"); + t!(i16, "i16"); + t!(i32, "i32"); + t!(i64, "i64"); + t!(i128, "i128"); + t!(isize, "isize"); + + t!(String, "alloc::string::String"); + t!(str, "str"); + t!(&str, "&str"); + t!(&'static str, "&str"); + + t!((u16, u32, u64), "(u16, u32, u64)"); + t!([usize; 4], "[usize; 4]"); + t!([usize], "[usize]"); + t!(&[usize], "&[usize]"); + + t!(*const bool, "*const bool"); + t!(*mut u64, "*mut u64"); + + t!(Vec<Vec<u32>>, "alloc::vec::Vec<alloc::vec::Vec<u32>>"); + t!(Foo<usize>, "type_name_basic::Foo<usize>"); + t!(Bar<'static>, "type_name_basic::Bar"); + t!(Baz<'static, u32>, "type_name_basic::Baz<u32>"); + + // FIXME: lifetime omission means these all print badly. + t!(dyn TrL<'static>, "dyn type_name_basic::TrL<>"); + t!(dyn TrLA<'static, A = u32>, "dyn type_name_basic::TrLA<, A = u32>"); + t!( + dyn TrLT<'static, Cow<'static, ()>>, + "dyn type_name_basic::TrLT<, alloc::borrow::Cow<()>>" + ); + t!( + dyn TrLTA<'static, u32, A = Cow<'static, ()>>, + "dyn type_name_basic::TrLTA<, u32, A = alloc::borrow::Cow<()>>" + ); + + t!(fn(i32) -> i32, "fn(i32) -> i32"); + t!(dyn for<'a> Fn(&'a u32), "dyn core::ops::function::Fn(&u32)"); + + struct S<'a, T>(&'a T); + impl<'a, T: Clone> S<'a, T> { + fn test() { + t!(Cow<'a, T>, "alloc::borrow::Cow<u32>"); + } + } + S::<u32>::test(); } diff --git a/tests/ui/issues/issue-14721.rs b/tests/ui/typeck/str-no-field-desc-14721.rs index c015a6bab08..605807ac04f 100644 --- a/tests/ui/issues/issue-14721.rs +++ b/tests/ui/typeck/str-no-field-desc-14721.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/14721 + fn main() { let foo = "str"; println!("{}", foo.desc); //~ ERROR no field `desc` on type `&str` diff --git a/tests/ui/issues/issue-14721.stderr b/tests/ui/typeck/str-no-field-desc-14721.stderr index c71b0363eef..fc1ec7179d7 100644 --- a/tests/ui/issues/issue-14721.stderr +++ b/tests/ui/typeck/str-no-field-desc-14721.stderr @@ -1,5 +1,5 @@ error[E0609]: no field `desc` on type `&str` - --> $DIR/issue-14721.rs:3:24 + --> $DIR/str-no-field-desc-14721.rs:5:24 | LL | println!("{}", foo.desc); | ^^^^ unknown field diff --git a/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.rs b/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.rs index ad7d972879f..072a699a6b5 100644 --- a/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.rs +++ b/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.rs @@ -4,7 +4,7 @@ trait Trait<const N: dyn Trait = bar> { fn fnc<const N: dyn Trait = u32>(&self) -> dyn Trait { //~^ ERROR the name `N` is already used for a generic parameter in this item's generic parameters //~| ERROR expected value, found builtin type `u32` - //~| ERROR defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions + //~| ERROR defaults for generic parameters are not allowed here bar //~^ ERROR cannot find value `bar` in this scope } diff --git a/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.stderr b/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.stderr index dc5a1cf3485..47f3e83fae2 100644 --- a/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.stderr +++ b/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.stderr @@ -39,7 +39,7 @@ LL | trait Trait<const N: dyn Trait = bar> { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information -error: defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:4:12 | LL | fn fnc<const N: dyn Trait = u32>(&self) -> dyn Trait { diff --git a/triagebot.toml b/triagebot.toml index fefff78d64e..e8c15bb9bfd 100644 --- a/triagebot.toml +++ b/triagebot.toml @@ -287,6 +287,11 @@ trigger_files = [ "compiler/rustc_codegen_llvm/src/llvm/enzyme_ffi.rs", ] +[autolabel."F-explicit_tail_calls"] +trigger_files = [ + "tests/ui/explicit-tail-calls", +] + [autolabel."T-rustdoc-frontend"] trigger_labels = [ "A-rustdoc-search", |