diff options
223 files changed, 3337 insertions, 2475 deletions
diff --git a/Cargo.lock b/Cargo.lock index 06a2a36f455..683331d4724 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -1956,9 +1956,9 @@ dependencies = [ [[package]] name = "libffi-sys" -version = "2.2.1" +version = "2.3.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "dc65067b78c0fc069771e8b9a9e02df71e08858bec92c1f101377c67b9dca7c7" +checksum = "f36115160c57e8529781b4183c2bb51fdc1f6d6d1ed345591d84be7703befb3c" dependencies = [ "cc", ] diff --git a/compiler/rustc_arena/src/lib.rs b/compiler/rustc_arena/src/lib.rs index 345e058e113..236bdb99709 100644 --- a/compiler/rustc_arena/src/lib.rs +++ b/compiler/rustc_arena/src/lib.rs @@ -74,7 +74,7 @@ impl<T> ArenaChunk<T> { #[inline] unsafe fn new(capacity: usize) -> ArenaChunk<T> { ArenaChunk { - storage: NonNull::new(Box::into_raw(Box::new_uninit_slice(capacity))).unwrap(), + storage: NonNull::new_unchecked(Box::into_raw(Box::new_uninit_slice(capacity))), entries: 0, } } @@ -85,7 +85,7 @@ impl<T> ArenaChunk<T> { // The branch on needs_drop() is an -O1 performance optimization. // Without the branch, dropping TypedArena<u8> takes linear time. if mem::needs_drop::<T>() { - let slice = &mut *(self.storage.as_mut()); + let slice = self.storage.as_mut(); ptr::drop_in_place(MaybeUninit::slice_assume_init_mut(&mut slice[..len])); } } @@ -104,7 +104,7 @@ impl<T> ArenaChunk<T> { // A pointer as large as possible for zero-sized elements. ptr::invalid_mut(!0) } else { - self.start().add((*self.storage.as_ptr()).len()) + self.start().add(self.storage.len()) } } } @@ -288,7 +288,7 @@ impl<T> TypedArena<T> { // If the previous chunk's len is less than HUGE_PAGE // bytes, then this chunk will be least double the previous // chunk's size. - new_cap = (*last_chunk.storage.as_ptr()).len().min(HUGE_PAGE / elem_size / 2); + new_cap = last_chunk.storage.len().min(HUGE_PAGE / elem_size / 2); new_cap *= 2; } else { new_cap = PAGE / elem_size; @@ -396,7 +396,7 @@ impl DroplessArena { // If the previous chunk's len is less than HUGE_PAGE // bytes, then this chunk will be least double the previous // chunk's size. - new_cap = (*last_chunk.storage.as_ptr()).len().min(HUGE_PAGE / 2); + new_cap = last_chunk.storage.len().min(HUGE_PAGE / 2); new_cap *= 2; } else { new_cap = PAGE; diff --git a/compiler/rustc_ast/src/ast.rs b/compiler/rustc_ast/src/ast.rs index 1e4d3ba47f4..3ed342ce48b 100644 --- a/compiler/rustc_ast/src/ast.rs +++ b/compiler/rustc_ast/src/ast.rs @@ -2976,7 +2976,7 @@ pub enum ItemKind { } impl ItemKind { - pub fn article(&self) -> &str { + pub fn article(&self) -> &'static str { use ItemKind::*; match self { Use(..) | Static(..) | Const(..) | Fn(..) | Mod(..) | GlobalAsm(..) | TyAlias(..) @@ -2985,7 +2985,7 @@ impl ItemKind { } } - pub fn descr(&self) -> &str { + pub fn descr(&self) -> &'static str { match self { ItemKind::ExternCrate(..) => "extern crate", ItemKind::Use(..) => "`use` import", diff --git a/compiler/rustc_ast/src/attr/mod.rs b/compiler/rustc_ast/src/attr/mod.rs index c4771115cac..e6c4db9e2ae 100644 --- a/compiler/rustc_ast/src/attr/mod.rs +++ b/compiler/rustc_ast/src/attr/mod.rs @@ -10,15 +10,10 @@ use crate::tokenstream::{DelimSpan, Spacing, TokenTree}; use crate::tokenstream::{LazyAttrTokenStream, TokenStream}; use crate::util::comments; use crate::util::literal::escape_string_symbol; -use rustc_data_structures::sync::WorkerLocal; use rustc_index::bit_set::GrowableBitSet; use rustc_span::symbol::{sym, Ident, Symbol}; use rustc_span::Span; -use std::cell::Cell; use std::iter; -#[cfg(debug_assertions)] -use std::ops::BitXor; -#[cfg(debug_assertions)] use std::sync::atomic::{AtomicU32, Ordering}; use thin_vec::{thin_vec, ThinVec}; @@ -40,39 +35,16 @@ impl MarkedAttrs { } } -pub struct AttrIdGenerator(WorkerLocal<Cell<u32>>); - -#[cfg(debug_assertions)] -static MAX_ATTR_ID: AtomicU32 = AtomicU32::new(u32::MAX); +pub struct AttrIdGenerator(AtomicU32); impl AttrIdGenerator { pub fn new() -> Self { - // We use `(index as u32).reverse_bits()` to initialize the - // starting value of AttrId in each worker thread. - // The `index` is the index of the worker thread. - // This ensures that the AttrId generated in each thread is unique. - AttrIdGenerator(WorkerLocal::new(|index| { - let index: u32 = index.try_into().unwrap(); - - #[cfg(debug_assertions)] - { - let max_id = ((index + 1).next_power_of_two() - 1).bitxor(u32::MAX).reverse_bits(); - MAX_ATTR_ID.fetch_min(max_id, Ordering::Release); - } - - Cell::new(index.reverse_bits()) - })) + AttrIdGenerator(AtomicU32::new(0)) } pub fn mk_attr_id(&self) -> AttrId { - let id = self.0.get(); - - // Ensure the assigned attr_id does not overlap the bits - // representing the number of threads. - #[cfg(debug_assertions)] - assert!(id <= MAX_ATTR_ID.load(Ordering::Acquire)); - - self.0.set(id + 1); + let id = self.0.fetch_add(1, Ordering::Relaxed); + assert!(id != u32::MAX); AttrId::from_u32(id) } } diff --git a/compiler/rustc_ast_lowering/src/format.rs b/compiler/rustc_ast_lowering/src/format.rs index ccf481cb9b3..c081162ea14 100644 --- a/compiler/rustc_ast_lowering/src/format.rs +++ b/compiler/rustc_ast_lowering/src/format.rs @@ -186,7 +186,7 @@ enum ArgumentType { /// Generates: /// /// ```text -/// <core::fmt::ArgumentV1>::new_…(arg) +/// <core::fmt::Argument>::new_…(arg) /// ``` fn make_argument<'hir>( ctx: &mut LoweringContext<'_, 'hir>, @@ -327,7 +327,7 @@ fn make_format_spec<'hir>( None => sym::Unknown, }, ); - // This needs to match `FlagV1` in library/core/src/fmt/mod.rs. + // This needs to match `Flag` in library/core/src/fmt/rt.rs. let flags: u32 = ((sign == Some(FormatSign::Plus)) as u32) | ((sign == Some(FormatSign::Minus)) as u32) << 1 | (alternate as u32) << 2 @@ -438,7 +438,7 @@ fn expand_format_args<'hir>( // If the args array contains exactly all the original arguments once, // in order, we can use a simple array instead of a `match` construction. // However, if there's a yield point in any argument except the first one, - // we don't do this, because an ArgumentV1 cannot be kept across yield points. + // we don't do this, because an Argument cannot be kept across yield points. // // This is an optimization, speeding up compilation about 1-2% in some cases. // See https://github.com/rust-lang/rust/pull/106770#issuecomment-1380790609 @@ -449,9 +449,9 @@ fn expand_format_args<'hir>( let args = if use_simple_array { // Generate: // &[ - // <core::fmt::ArgumentV1>::new_display(&arg0), - // <core::fmt::ArgumentV1>::new_lower_hex(&arg1), - // <core::fmt::ArgumentV1>::new_debug(&arg2), + // <core::fmt::Argument>::new_display(&arg0), + // <core::fmt::Argument>::new_lower_hex(&arg1), + // <core::fmt::Argument>::new_debug(&arg2), // … // ] let elements: Vec<_> = arguments @@ -477,9 +477,9 @@ fn expand_format_args<'hir>( // Generate: // &match (&arg0, &arg1, &…) { // args => [ - // <core::fmt::ArgumentV1>::new_display(args.0), - // <core::fmt::ArgumentV1>::new_lower_hex(args.1), - // <core::fmt::ArgumentV1>::new_debug(args.0), + // <core::fmt::Argument>::new_display(args.0), + // <core::fmt::Argument>::new_lower_hex(args.1), + // <core::fmt::Argument>::new_debug(args.0), // … // ] // } diff --git a/compiler/rustc_ast_pretty/src/pp.rs b/compiler/rustc_ast_pretty/src/pp.rs index c93022308a3..7ab8c3eaba2 100644 --- a/compiler/rustc_ast_pretty/src/pp.rs +++ b/compiler/rustc_ast_pretty/src/pp.rs @@ -360,7 +360,7 @@ impl Printer { fn check_stack(&mut self, mut depth: usize) { while let Some(&index) = self.scan_stack.back() { - let mut entry = &mut self.buf[index]; + let entry = &mut self.buf[index]; match entry.token { Token::Begin(_) => { if depth == 0 { diff --git a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs index 5db0f72919d..ac84188a35f 100644 --- a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs @@ -1359,7 +1359,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { } // Get closure's arguments - let ty::Closure(_, substs) = typeck_results.expr_ty(closure_expr).kind() else { unreachable!() }; + let ty::Closure(_, substs) = typeck_results.expr_ty(closure_expr).kind() else { /* hir::Closure can be a generator too */ return }; let sig = substs.as_closure().sig(); let tupled_params = tcx.erase_late_bound_regions(sig.inputs().iter().next().unwrap().map_bound(|&b| b)); diff --git a/compiler/rustc_borrowck/src/lib.rs b/compiler/rustc_borrowck/src/lib.rs index b57b0c9e4ba..6900729d671 100644 --- a/compiler/rustc_borrowck/src/lib.rs +++ b/compiler/rustc_borrowck/src/lib.rs @@ -935,6 +935,7 @@ enum InitializationRequiringAction { PartialAssignment, } +#[derive(Debug)] struct RootPlace<'tcx> { place_local: Local, place_projection: &'tcx [PlaceElem<'tcx>], @@ -1848,11 +1849,6 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { // is allowed, remove this match arm. ty::Adt(..) | ty::Tuple(..) => { check_parent_of_field(self, location, place_base, span, flow_state); - - // rust-lang/rust#21232, #54499, #54986: during period where we reject - // partial initialization, do not complain about unnecessary `mut` on - // an attempt to do a partial initialization. - self.used_mut.insert(place.local); } _ => {} @@ -1940,6 +1936,11 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { (prefix, base, span), mpi, ); + + // rust-lang/rust#21232, #54499, #54986: during period where we reject + // partial initialization, do not complain about unnecessary `mut` on + // an attempt to do a partial initialization. + this.used_mut.insert(base.local); } } } diff --git a/compiler/rustc_borrowck/src/member_constraints.rs b/compiler/rustc_borrowck/src/member_constraints.rs index db5b8f464c8..842e9008058 100644 --- a/compiler/rustc_borrowck/src/member_constraints.rs +++ b/compiler/rustc_borrowck/src/member_constraints.rs @@ -221,7 +221,7 @@ fn append_list( ) { let mut p = target_list; loop { - let mut r = &mut constraints[p]; + let r = &mut constraints[p]; match r.next_constraint { Some(q) => p = q, None => { diff --git a/compiler/rustc_codegen_ssa/src/back/link.rs b/compiler/rustc_codegen_ssa/src/back/link.rs index 02e21e74fad..eecfe13bb3e 100644 --- a/compiler/rustc_codegen_ssa/src/back/link.rs +++ b/compiler/rustc_codegen_ssa/src/back/link.rs @@ -349,7 +349,10 @@ fn link_rlib<'a>( let NativeLibKind::Static { bundle: None | Some(true), whole_archive } = lib.kind else { continue; }; - if whole_archive == Some(true) && !codegen_results.crate_info.feature_packed_bundled_libs { + if whole_archive == Some(true) + && flavor == RlibFlavor::Normal + && !codegen_results.crate_info.feature_packed_bundled_libs + { sess.emit_err(errors::IncompatibleLinkingModifiers); } if flavor == RlibFlavor::Normal && let Some(filename) = lib.filename { diff --git a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs index 94de19a9c29..64452472eec 100644 --- a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs +++ b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs @@ -819,8 +819,15 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { .builtin_deref(true) .unwrap_or_else(|| bug!("deref of non-pointer {:?}", input_ty)) .ty; - let llty = bx.cx().backend_type(bx.cx().layout_of(pointee_type)); - bx.inbounds_gep(llty, lhs, &[rhs]) + let pointee_layout = bx.cx().layout_of(pointee_type); + if pointee_layout.is_zst() { + // `Offset` works in terms of the size of pointee, + // so offsetting a pointer to ZST is a noop. + lhs + } else { + let llty = bx.cx().backend_type(pointee_layout); + bx.inbounds_gep(llty, lhs, &[rhs]) + } } mir::BinOp::Shl => common::build_unchecked_lshift(bx, lhs, rhs), mir::BinOp::Shr => common::build_unchecked_rshift(bx, input_ty, lhs, rhs), diff --git a/compiler/rustc_const_eval/src/const_eval/machine.rs b/compiler/rustc_const_eval/src/const_eval/machine.rs index bfca58a15b3..814b67b46ec 100644 --- a/compiler/rustc_const_eval/src/const_eval/machine.rs +++ b/compiler/rustc_const_eval/src/const_eval/machine.rs @@ -559,20 +559,11 @@ impl<'mir, 'tcx> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter<'mir, } fn binary_ptr_op( - ecx: &InterpCx<'mir, 'tcx, Self>, - bin_op: mir::BinOp, - left: &ImmTy<'tcx>, - right: &ImmTy<'tcx>, + _ecx: &InterpCx<'mir, 'tcx, Self>, + _bin_op: mir::BinOp, + _left: &ImmTy<'tcx>, + _right: &ImmTy<'tcx>, ) -> InterpResult<'tcx, (Scalar, bool, Ty<'tcx>)> { - if bin_op == mir::BinOp::Offset { - let ptr = left.to_scalar().to_pointer(ecx)?; - let offset_count = right.to_scalar().to_target_isize(ecx)?; - let pointee_ty = left.layout.ty.builtin_deref(true).unwrap().ty; - - let offset_ptr = ecx.ptr_offset_inbounds(ptr, pointee_ty, offset_count)?; - return Ok((Scalar::from_maybe_pointer(offset_ptr, ecx), false, left.layout.ty)); - } - throw_unsup_format!("pointer arithmetic or comparison is not supported at compile-time"); } diff --git a/compiler/rustc_const_eval/src/interpret/operator.rs b/compiler/rustc_const_eval/src/interpret/operator.rs index 4decfe863e6..7186148daf0 100644 --- a/compiler/rustc_const_eval/src/interpret/operator.rs +++ b/compiler/rustc_const_eval/src/interpret/operator.rs @@ -299,6 +299,30 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { Ok((val, false, ty)) } + fn binary_ptr_op( + &self, + bin_op: mir::BinOp, + left: &ImmTy<'tcx, M::Provenance>, + right: &ImmTy<'tcx, M::Provenance>, + ) -> InterpResult<'tcx, (Scalar<M::Provenance>, bool, Ty<'tcx>)> { + use rustc_middle::mir::BinOp::*; + + match bin_op { + // Pointer ops that are always supported. + Offset => { + let ptr = left.to_scalar().to_pointer(self)?; + let offset_count = right.to_scalar().to_target_isize(self)?; + let pointee_ty = left.layout.ty.builtin_deref(true).unwrap().ty; + + let offset_ptr = self.ptr_offset_inbounds(ptr, pointee_ty, offset_count)?; + Ok((Scalar::from_maybe_pointer(offset_ptr, self), false, left.layout.ty)) + } + + // Fall back to machine hook so Miri can support more pointer ops. + _ => M::binary_ptr_op(self, bin_op, left, right), + } + } + /// Returns the result of the specified operation, whether it overflowed, and /// the result type. pub fn overflowing_binary_op( @@ -368,7 +392,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { right.layout.ty ); - M::binary_ptr_op(self, bin_op, left, right) + self.binary_ptr_op(bin_op, left, right) } _ => span_bug!( self.cur_span(), diff --git a/compiler/rustc_const_eval/src/transform/check_consts/ops.rs b/compiler/rustc_const_eval/src/transform/check_consts/ops.rs index 6c11edb742c..4fb66854571 100644 --- a/compiler/rustc_const_eval/src/transform/check_consts/ops.rs +++ b/compiler/rustc_const_eval/src/transform/check_consts/ops.rs @@ -296,7 +296,7 @@ impl<'tcx> NonConstOp<'tcx> for FnCallNonConst<'tcx> { diag_trait(&mut err, self_ty, tcx.require_lang_item(LangItem::Deref, Some(span))); err } - _ if tcx.opt_parent(callee) == tcx.get_diagnostic_item(sym::ArgumentV1Methods) => ccx + _ if tcx.opt_parent(callee) == tcx.get_diagnostic_item(sym::ArgumentMethods) => ccx .tcx .sess .create_err(errors::NonConstFmtMacroCall { span, kind: ccx.const_kind() }), diff --git a/compiler/rustc_data_structures/src/sharded.rs b/compiler/rustc_data_structures/src/sharded.rs index bd7a86f6780..7ed70ba1e0f 100644 --- a/compiler/rustc_data_structures/src/sharded.rs +++ b/compiler/rustc_data_structures/src/sharded.rs @@ -1,14 +1,10 @@ use crate::fx::{FxHashMap, FxHasher}; -use crate::sync::{Lock, LockGuard}; +use crate::sync::{CacheAligned, Lock, LockGuard}; use std::borrow::Borrow; use std::collections::hash_map::RawEntryMut; use std::hash::{Hash, Hasher}; use std::mem; -#[derive(Default)] -#[cfg_attr(parallel_compiler, repr(align(64)))] -struct CacheAligned<T>(T); - #[cfg(parallel_compiler)] // 32 shards is sufficient to reduce contention on an 8-core Ryzen 7 1700, // but this should be tested on higher core count CPUs. How the `Sharded` type gets used diff --git a/compiler/rustc_data_structures/src/sync.rs b/compiler/rustc_data_structures/src/sync.rs index ef1da85198f..e73ca56efa0 100644 --- a/compiler/rustc_data_structures/src/sync.rs +++ b/compiler/rustc_data_structures/src/sync.rs @@ -45,6 +45,9 @@ use std::hash::{BuildHasher, Hash}; use std::ops::{Deref, DerefMut}; use std::panic::{catch_unwind, resume_unwind, AssertUnwindSafe}; +mod worker_local; +pub use worker_local::{Registry, WorkerLocal}; + pub use std::sync::atomic::Ordering; pub use std::sync::atomic::Ordering::SeqCst; @@ -205,33 +208,6 @@ cfg_if! { use std::cell::Cell; - #[derive(Debug)] - pub struct WorkerLocal<T>(OneThread<T>); - - impl<T> WorkerLocal<T> { - /// Creates a new worker local where the `initial` closure computes the - /// value this worker local should take for each thread in the thread pool. - #[inline] - pub fn new<F: FnMut(usize) -> T>(mut f: F) -> WorkerLocal<T> { - WorkerLocal(OneThread::new(f(0))) - } - - /// Returns the worker-local value for each thread - #[inline] - pub fn into_inner(self) -> Vec<T> { - vec![OneThread::into_inner(self.0)] - } - } - - impl<T> Deref for WorkerLocal<T> { - type Target = T; - - #[inline(always)] - fn deref(&self) -> &T { - &self.0 - } - } - pub type MTLockRef<'a, T> = &'a mut MTLock<T>; #[derive(Debug, Default)] @@ -351,8 +327,6 @@ cfg_if! { }; } - pub use rayon_core::WorkerLocal; - pub use rayon::iter::ParallelIterator; use rayon::iter::IntoParallelIterator; @@ -383,6 +357,10 @@ pub fn assert_send<T: ?Sized + Send>() {} pub fn assert_send_val<T: ?Sized + Send>(_t: &T) {} pub fn assert_send_sync_val<T: ?Sized + Sync + Send>(_t: &T) {} +#[derive(Default)] +#[cfg_attr(parallel_compiler, repr(align(64)))] +pub struct CacheAligned<T>(pub T); + pub trait HashMapExt<K, V> { /// Same as HashMap::insert, but it may panic if there's already an /// entry for `key` with a value not equal to `value` diff --git a/compiler/rustc_data_structures/src/sync/worker_local.rs b/compiler/rustc_data_structures/src/sync/worker_local.rs new file mode 100644 index 00000000000..bfb04ba8a73 --- /dev/null +++ b/compiler/rustc_data_structures/src/sync/worker_local.rs @@ -0,0 +1,180 @@ +use crate::sync::Lock; +use std::cell::Cell; +use std::cell::OnceCell; +use std::ops::Deref; +use std::ptr; +use std::sync::Arc; + +#[cfg(parallel_compiler)] +use {crate::cold_path, crate::sync::CacheAligned}; + +/// A pointer to the `RegistryData` which uniquely identifies a registry. +/// This identifier can be reused if the registry gets freed. +#[derive(Clone, Copy, PartialEq)] +struct RegistryId(*const RegistryData); + +impl RegistryId { + #[inline(always)] + /// Verifies that the current thread is associated with the registry and returns its unique + /// index within the registry. This panics if the current thread is not associated with this + /// registry. + /// + /// Note that there's a race possible where the identifer in `THREAD_DATA` could be reused + /// so this can succeed from a different registry. + #[cfg(parallel_compiler)] + fn verify(self) -> usize { + let (id, index) = THREAD_DATA.with(|data| (data.registry_id.get(), data.index.get())); + + if id == self { + index + } else { + cold_path(|| panic!("Unable to verify registry association")) + } + } +} + +struct RegistryData { + thread_limit: usize, + threads: Lock<usize>, +} + +/// Represents a list of threads which can access worker locals. +#[derive(Clone)] +pub struct Registry(Arc<RegistryData>); + +thread_local! { + /// The registry associated with the thread. + /// This allows the `WorkerLocal` type to clone the registry in its constructor. + static REGISTRY: OnceCell<Registry> = OnceCell::new(); +} + +struct ThreadData { + registry_id: Cell<RegistryId>, + index: Cell<usize>, +} + +thread_local! { + /// A thread local which contains the identifer of `REGISTRY` but allows for faster access. + /// It also holds the index of the current thread. + static THREAD_DATA: ThreadData = const { ThreadData { + registry_id: Cell::new(RegistryId(ptr::null())), + index: Cell::new(0), + }}; +} + +impl Registry { + /// Creates a registry which can hold up to `thread_limit` threads. + pub fn new(thread_limit: usize) -> Self { + Registry(Arc::new(RegistryData { thread_limit, threads: Lock::new(0) })) + } + + /// Gets the registry associated with the current thread. Panics if there's no such registry. + pub fn current() -> Self { + REGISTRY.with(|registry| registry.get().cloned().expect("No assocated registry")) + } + + /// Registers the current thread with the registry so worker locals can be used on it. + /// Panics if the thread limit is hit or if the thread already has an associated registry. + pub fn register(&self) { + let mut threads = self.0.threads.lock(); + if *threads < self.0.thread_limit { + REGISTRY.with(|registry| { + if registry.get().is_some() { + drop(threads); + panic!("Thread already has a registry"); + } + registry.set(self.clone()).ok(); + THREAD_DATA.with(|data| { + data.registry_id.set(self.id()); + data.index.set(*threads); + }); + *threads += 1; + }); + } else { + drop(threads); + panic!("Thread limit reached"); + } + } + + /// Gets the identifer of this registry. + fn id(&self) -> RegistryId { + RegistryId(&*self.0) + } +} + +/// Holds worker local values for each possible thread in a registry. You can only access the +/// worker local value through the `Deref` impl on the registry associated with the thread it was +/// created on. It will panic otherwise. +pub struct WorkerLocal<T> { + #[cfg(not(parallel_compiler))] + local: T, + #[cfg(parallel_compiler)] + locals: Box<[CacheAligned<T>]>, + #[cfg(parallel_compiler)] + registry: Registry, +} + +// This is safe because the `deref` call will return a reference to a `T` unique to each thread +// or it will panic for threads without an associated local. So there isn't a need for `T` to do +// it's own synchronization. The `verify` method on `RegistryId` has an issue where the the id +// can be reused, but `WorkerLocal` has a reference to `Registry` which will prevent any reuse. +#[cfg(parallel_compiler)] +unsafe impl<T: Send> Sync for WorkerLocal<T> {} + +impl<T> WorkerLocal<T> { + /// Creates a new worker local where the `initial` closure computes the + /// value this worker local should take for each thread in the registry. + #[inline] + pub fn new<F: FnMut(usize) -> T>(mut initial: F) -> WorkerLocal<T> { + #[cfg(parallel_compiler)] + { + let registry = Registry::current(); + WorkerLocal { + locals: (0..registry.0.thread_limit).map(|i| CacheAligned(initial(i))).collect(), + registry, + } + } + #[cfg(not(parallel_compiler))] + { + WorkerLocal { local: initial(0) } + } + } + + /// Returns the worker-local values for each thread + #[inline] + pub fn into_inner(self) -> impl Iterator<Item = T> { + #[cfg(parallel_compiler)] + { + self.locals.into_vec().into_iter().map(|local| local.0) + } + #[cfg(not(parallel_compiler))] + { + std::iter::once(self.local) + } + } +} + +impl<T> WorkerLocal<Vec<T>> { + /// Joins the elements of all the worker locals into one Vec + pub fn join(self) -> Vec<T> { + self.into_inner().into_iter().flat_map(|v| v).collect() + } +} + +impl<T> Deref for WorkerLocal<T> { + type Target = T; + + #[inline(always)] + #[cfg(not(parallel_compiler))] + fn deref(&self) -> &T { + &self.local + } + + #[inline(always)] + #[cfg(parallel_compiler)] + fn deref(&self) -> &T { + // This is safe because `verify` will only return values less than + // `self.registry.thread_limit` which is the size of the `self.locals` array. + unsafe { &self.locals.get_unchecked(self.registry.id().verify()).0 } + } +} diff --git a/compiler/rustc_feature/src/accepted.rs b/compiler/rustc_feature/src/accepted.rs index 3d644de1665..3b9fc5e9a51 100644 --- a/compiler/rustc_feature/src/accepted.rs +++ b/compiler/rustc_feature/src/accepted.rs @@ -239,7 +239,7 @@ declare_features! ( /// Allows using `Self` and associated types in struct expressions and patterns. (accepted, more_struct_aliases, "1.16.0", Some(37544), None), /// Allows using the MOVBE target feature. - (accepted, movbe_target_feature, "CURRENT_RUSTC_VERSION", Some(44839), None), + (accepted, movbe_target_feature, "1.70.0", Some(44839), None), /// Allows patterns with concurrent by-move and by-ref bindings. /// For example, you can write `Foo(a, ref b)` where `a` is by-move and `b` is by-ref. (accepted, move_ref_pattern, "1.49.0", Some(68354), None), diff --git a/compiler/rustc_feature/src/active.rs b/compiler/rustc_feature/src/active.rs index 48f5bd1cb50..052d312d9a0 100644 --- a/compiler/rustc_feature/src/active.rs +++ b/compiler/rustc_feature/src/active.rs @@ -417,7 +417,7 @@ declare_features! ( /// Allows `if let` guard in match arms. (active, if_let_guard, "1.47.0", Some(51114), None), /// Allows `impl Trait` to be used inside associated types (RFC 2515). - (active, impl_trait_in_assoc_type, "CURRENT_RUSTC_VERSION", Some(63063), None), + (active, impl_trait_in_assoc_type, "1.70.0", Some(63063), None), /// Allows `impl Trait` as output type in `Fn` traits in return position of functions. (active, impl_trait_in_fn_trait_return, "1.64.0", Some(99697), None), /// Allows referencing `Self` and projections in impl-trait. @@ -498,7 +498,7 @@ declare_features! ( /// Allows return-position `impl Trait` in traits. (incomplete, return_position_impl_trait_in_trait, "1.65.0", Some(91611), None), /// Allows bounding the return type of AFIT/RPITIT. - (incomplete, return_type_notation, "CURRENT_RUSTC_VERSION", Some(109417), None), + (incomplete, return_type_notation, "1.70.0", Some(109417), None), /// Allows `extern "rust-cold"`. (active, rust_cold_cc, "1.63.0", Some(97544), None), /// Allows the use of SIMD types in functions declared in `extern` blocks. @@ -521,7 +521,7 @@ declare_features! ( /// Dyn upcasting is casting, e.g., `dyn Foo -> dyn Bar` where `Foo: Bar`. (active, trait_upcasting, "1.56.0", Some(65991), None), /// Allows for transmuting between arrays with sizes that contain generic consts. - (active, transmute_generic_consts, "CURRENT_RUSTC_VERSION", Some(109929), None), + (active, transmute_generic_consts, "1.70.0", Some(109929), None), /// Allows #[repr(transparent)] on unions (RFC 2645). (active, transparent_unions, "1.37.0", Some(60405), None), /// Allows inconsistent bounds in where clauses. diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs index c77292fdd16..103e0f34407 100644 --- a/compiler/rustc_feature/src/builtin_attrs.rs +++ b/compiler/rustc_feature/src/builtin_attrs.rs @@ -344,7 +344,7 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ ), ungated!(link_name, Normal, template!(NameValueStr: "name"), FutureWarnPreceding), ungated!(no_link, Normal, template!(Word), WarnFollowing), - ungated!(repr, Normal, template!(List: "C"), DuplicatesOk, @only_local: true), + ungated!(repr, Normal, template!(List: "C"), DuplicatesOk), ungated!(export_name, Normal, template!(NameValueStr: "name"), FutureWarnPreceding), ungated!(link_section, Normal, template!(NameValueStr: "name"), FutureWarnPreceding), ungated!(no_mangle, Normal, template!(Word), WarnFollowing, @only_local: true), diff --git a/compiler/rustc_feature/src/removed.rs b/compiler/rustc_feature/src/removed.rs index 876a31abdf8..8bca24b2bf0 100644 --- a/compiler/rustc_feature/src/removed.rs +++ b/compiler/rustc_feature/src/removed.rs @@ -53,7 +53,7 @@ declare_features! ( (removed, await_macro, "1.38.0", Some(50547), None, Some("subsumed by `.await` syntax")), /// Allows using the `box $expr` syntax. - (removed, box_syntax, "CURRENT_RUSTC_VERSION", Some(49733), None, Some("replaced with `#[rustc_box]`")), + (removed, box_syntax, "1.70.0", Some(49733), None, Some("replaced with `#[rustc_box]`")), /// Allows capturing disjoint fields in a closure/generator (RFC 2229). (removed, capture_disjoint_fields, "1.49.0", Some(53488), None, Some("stabilized in Rust 2021")), /// Allows comparing raw pointers during const eval. diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs index 21b4a3370d3..e220a029339 100644 --- a/compiler/rustc_hir/src/hir.rs +++ b/compiler/rustc_hir/src/hir.rs @@ -26,7 +26,7 @@ use rustc_target::spec::abi::Abi; use smallvec::SmallVec; use std::fmt; -#[derive(Debug, Copy, Clone, Encodable, HashStable_Generic)] +#[derive(Debug, Copy, Clone, HashStable_Generic)] pub struct Lifetime { pub hir_id: HirId, @@ -41,8 +41,7 @@ pub struct Lifetime { pub res: LifetimeName, } -#[derive(Debug, Clone, PartialEq, Eq, Encodable, Hash, Copy)] -#[derive(HashStable_Generic)] +#[derive(Debug, Copy, Clone, HashStable_Generic)] pub enum ParamName { /// Some user-given name like `T` or `'x`. Plain(Ident), @@ -85,8 +84,7 @@ impl ParamName { } } -#[derive(Debug, Clone, PartialEq, Eq, Encodable, Hash, Copy)] -#[derive(HashStable_Generic)] +#[derive(Debug, Copy, Clone, PartialEq, Eq, HashStable_Generic)] pub enum LifetimeName { /// User-given names or fresh (synthetic) names. Param(LocalDefId), @@ -243,13 +241,13 @@ impl<'hir> PathSegment<'hir> { } } -#[derive(Encodable, Clone, Copy, Debug, HashStable_Generic)] +#[derive(Clone, Copy, Debug, HashStable_Generic)] pub struct ConstArg { pub value: AnonConst, pub span: Span, } -#[derive(Encodable, Clone, Copy, Debug, HashStable_Generic)] +#[derive(Clone, Copy, Debug, HashStable_Generic)] pub struct InferArg { pub hir_id: HirId, pub span: Span, @@ -422,8 +420,7 @@ impl<'hir> GenericArgs<'hir> { } } -#[derive(Copy, Clone, PartialEq, Eq, Encodable, Hash, Debug)] -#[derive(HashStable_Generic)] +#[derive(Copy, Clone, PartialEq, Eq, Debug, HashStable_Generic)] pub enum GenericArgsParentheses { No, /// Bounds for `feature(return_type_notation)`, like `T: Trait<method(..): Send>`, @@ -435,8 +432,7 @@ pub enum GenericArgsParentheses { /// A modifier on a bound, currently this is only used for `?Sized`, where the /// modifier is `Maybe`. Negative bounds should also be handled here. -#[derive(Copy, Clone, PartialEq, Eq, Encodable, Hash, Debug)] -#[derive(HashStable_Generic)] +#[derive(Copy, Clone, PartialEq, Eq, Hash, Debug, HashStable_Generic)] pub enum TraitBoundModifier { None, Maybe, @@ -474,7 +470,7 @@ impl GenericBound<'_> { pub type GenericBounds<'hir> = &'hir [GenericBound<'hir>]; -#[derive(Copy, Clone, PartialEq, Eq, Encodable, Debug, HashStable_Generic)] +#[derive(Copy, Clone, Debug, HashStable_Generic)] pub enum LifetimeParamKind { // Indicates that the lifetime definition was explicitly declared (e.g., in // `fn foo<'a>(x: &'a u8) -> &'a u8 { x }`). @@ -539,7 +535,7 @@ impl<'hir> GenericParam<'hir> { /// early-bound (but can be a late-bound lifetime in functions, for example), /// or from a `for<...>` binder, in which case it's late-bound (and notably, /// does not show up in the parent item's generics). -#[derive(Debug, HashStable_Generic, PartialEq, Eq, Copy, Clone)] +#[derive(Debug, Clone, Copy, HashStable_Generic)] pub enum GenericParamSource { // Early or late-bound parameters defined on an item Generics, @@ -1097,7 +1093,7 @@ pub struct PatField<'hir> { pub span: Span, } -#[derive(Copy, Clone, PartialEq, Encodable, Debug, HashStable_Generic)] +#[derive(Copy, Clone, PartialEq, Debug, HashStable_Generic)] pub enum RangeEnd { Included, Excluded, @@ -1197,7 +1193,7 @@ pub enum PatKind<'hir> { Slice(&'hir [Pat<'hir>], Option<&'hir Pat<'hir>>, &'hir [Pat<'hir>]), } -#[derive(Copy, Clone, PartialEq, Encodable, Debug, HashStable_Generic)] +#[derive(Copy, Clone, PartialEq, Debug, HashStable_Generic)] pub enum BinOpKind { /// The `+` operator (addition). Add, @@ -1325,7 +1321,7 @@ impl Into<ast::BinOpKind> for BinOpKind { pub type BinOp = Spanned<BinOpKind>; -#[derive(Copy, Clone, PartialEq, Encodable, Debug, HashStable_Generic)] +#[derive(Copy, Clone, PartialEq, Debug, HashStable_Generic)] pub enum UnOp { /// The `*` operator (dereferencing). Deref, @@ -1450,19 +1446,19 @@ pub struct ExprField<'hir> { pub is_shorthand: bool, } -#[derive(Copy, Clone, PartialEq, Encodable, Debug, HashStable_Generic)] +#[derive(Copy, Clone, PartialEq, Debug, HashStable_Generic)] pub enum BlockCheckMode { DefaultBlock, UnsafeBlock(UnsafeSource), } -#[derive(Copy, Clone, PartialEq, Encodable, Debug, HashStable_Generic)] +#[derive(Copy, Clone, PartialEq, Debug, HashStable_Generic)] pub enum UnsafeSource { CompilerGenerated, UserProvided, } -#[derive(Copy, Clone, PartialEq, Eq, Encodable, Decodable, Hash, Debug)] +#[derive(Copy, Clone, PartialEq, Eq, Hash, Debug)] pub struct BodyId { pub hir_id: HirId, } @@ -1506,7 +1502,7 @@ impl<'hir> Body<'hir> { } /// The type of source expression that caused this generator to be created. -#[derive(Clone, PartialEq, PartialOrd, Eq, Hash, Debug, Copy)] +#[derive(Clone, PartialEq, Eq, Debug, Copy, Hash)] #[derive(HashStable_Generic, Encodable, Decodable)] pub enum GeneratorKind { /// An explicit `async` block or the body of an async function. @@ -1539,7 +1535,7 @@ impl GeneratorKind { /// /// This helps error messages but is also used to drive coercions in /// type-checking (see #60424). -#[derive(Clone, PartialEq, PartialOrd, Eq, Hash, Debug, Copy)] +#[derive(Clone, PartialEq, Eq, Hash, Debug, Copy)] #[derive(HashStable_Generic, Encodable, Decodable)] pub enum AsyncGeneratorKind { /// An explicit `async` block written by the user. @@ -1649,7 +1645,7 @@ impl fmt::Display for ConstContext { /// A literal. pub type Lit = Spanned<LitKind>; -#[derive(Copy, Clone, PartialEq, Eq, Encodable, Debug, HashStable_Generic)] +#[derive(Copy, Clone, Debug, HashStable_Generic)] pub enum ArrayLen { Infer(HirId, Span), Body(AnonConst), @@ -1671,7 +1667,7 @@ impl ArrayLen { /// /// You can check if this anon const is a default in a const param /// `const N: usize = { ... }` with `tcx.hir().opt_const_param_default_param_def_id(..)` -#[derive(Copy, Clone, PartialEq, Eq, Encodable, Debug, HashStable_Generic)] +#[derive(Copy, Clone, Debug, HashStable_Generic)] pub struct AnonConst { pub hir_id: HirId, pub def_id: LocalDefId, @@ -2105,7 +2101,7 @@ impl<'hir> QPath<'hir> { } /// Hints at the original code for a let statement. -#[derive(Copy, Clone, Encodable, Debug, HashStable_Generic)] +#[derive(Copy, Clone, Debug, HashStable_Generic)] pub enum LocalSource { /// A `match _ { .. }`. Normal, @@ -2158,7 +2154,7 @@ impl MatchSource { } /// The loop type that yielded an `ExprKind::Loop`. -#[derive(Copy, Clone, PartialEq, Encodable, Debug, HashStable_Generic)] +#[derive(Copy, Clone, PartialEq, Debug, HashStable_Generic)] pub enum LoopSource { /// A `loop { .. }` loop. Loop, @@ -2178,7 +2174,7 @@ impl LoopSource { } } -#[derive(Copy, Clone, Encodable, Debug, HashStable_Generic)] +#[derive(Copy, Clone, Debug, HashStable_Generic)] pub enum LoopIdError { OutsideLoopScope, UnlabeledCfInWhileCondition, @@ -2197,7 +2193,7 @@ impl fmt::Display for LoopIdError { } } -#[derive(Copy, Clone, Encodable, Debug, HashStable_Generic)] +#[derive(Copy, Clone, Debug, HashStable_Generic)] pub struct Destination { /// This is `Some(_)` iff there is an explicit user-specified 'label pub label: Option<Label>, @@ -2208,7 +2204,7 @@ pub struct Destination { } /// The yield kind that caused an `ExprKind::Yield`. -#[derive(Copy, Clone, PartialEq, Eq, Debug, Encodable, Decodable, HashStable_Generic)] +#[derive(Copy, Clone, Debug, HashStable_Generic)] pub enum YieldSource { /// An `<expr>.await`. Await { expr: Option<HirId> }, @@ -2327,7 +2323,7 @@ impl<'hir> TraitItem<'hir> { } /// Represents a trait method's body (or just argument names). -#[derive(Encodable, Debug, Clone, Copy, HashStable_Generic)] +#[derive(Debug, Clone, Copy, HashStable_Generic)] pub enum TraitFn<'hir> { /// No default body in the trait, just a signature. Required(&'hir [Ident]), @@ -2658,7 +2654,7 @@ pub struct OpaqueTy<'hir> { } /// From whence the opaque type came. -#[derive(Copy, Clone, PartialEq, Eq, Encodable, Decodable, Debug, HashStable_Generic)] +#[derive(Copy, Clone, PartialEq, Eq, Debug, HashStable_Generic)] pub enum OpaqueTyOrigin { /// `-> impl Trait` FnReturn(LocalDefId), @@ -2818,7 +2814,7 @@ impl ImplicitSelfKind { } } -#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Encodable, Decodable, Debug)] +#[derive(Copy, Clone, PartialEq, Eq, Encodable, Decodable, Debug)] #[derive(HashStable_Generic)] pub enum IsAsync { Async, @@ -2831,7 +2827,7 @@ impl IsAsync { } } -#[derive(Copy, Clone, PartialEq, Eq, Hash, Debug, Encodable, Decodable, HashStable_Generic)] +#[derive(Copy, Clone, PartialEq, Eq, Debug, Encodable, Decodable, HashStable_Generic)] pub enum Defaultness { Default { has_value: bool }, Final, @@ -2887,13 +2883,13 @@ pub enum ClosureBinder { For { span: Span }, } -#[derive(Encodable, Debug, Clone, Copy, HashStable_Generic)] +#[derive(Debug, Clone, Copy, HashStable_Generic)] pub struct Mod<'hir> { pub spans: ModSpans, pub item_ids: &'hir [ItemId], } -#[derive(Copy, Clone, Debug, HashStable_Generic, Encodable)] +#[derive(Copy, Clone, Debug, HashStable_Generic)] pub struct ModSpans { /// A span from the first token past `{` to the last token until `}`. /// For `mod foo;`, the inner span ranges from the first token @@ -2922,7 +2918,7 @@ pub struct Variant<'hir> { pub span: Span, } -#[derive(Copy, Clone, PartialEq, Encodable, Debug, HashStable_Generic)] +#[derive(Copy, Clone, PartialEq, Debug, HashStable_Generic)] pub enum UseKind { /// One import, e.g., `use foo::bar` or `use foo::bar as baz`. /// Also produced for each element of a list `use`, e.g. @@ -3233,7 +3229,7 @@ impl fmt::Display for Unsafety { } } -#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)] +#[derive(Copy, Clone, PartialEq, Eq, Debug)] #[derive(Encodable, Decodable, HashStable_Generic)] pub enum Constness { Const, @@ -3249,7 +3245,7 @@ impl fmt::Display for Constness { } } -#[derive(Copy, Clone, Encodable, Debug, HashStable_Generic)] +#[derive(Copy, Clone, Debug, HashStable_Generic)] pub struct FnHeader { pub unsafety: Unsafety, pub constness: Constness, @@ -3381,7 +3377,7 @@ impl ItemKind<'_> { /// type or method, and whether it is public). This allows other /// passes to find the impl they want without loading the ID (which /// means fewer edges in the incremental compilation graph). -#[derive(Encodable, Debug, Clone, Copy, HashStable_Generic)] +#[derive(Debug, Clone, Copy, HashStable_Generic)] pub struct TraitItemRef { pub id: TraitItemId, pub ident: Ident, @@ -3405,7 +3401,7 @@ pub struct ImplItemRef { pub trait_item_def_id: Option<DefId>, } -#[derive(Copy, Clone, PartialEq, Encodable, Debug, HashStable_Generic)] +#[derive(Copy, Clone, PartialEq, Debug, HashStable_Generic)] pub enum AssocItemKind { Const, Fn { has_self: bool }, @@ -3474,7 +3470,7 @@ pub enum ForeignItemKind<'hir> { } /// A variable captured by a closure. -#[derive(Debug, Copy, Clone, Encodable, HashStable_Generic)] +#[derive(Debug, Copy, Clone, HashStable_Generic)] pub struct Upvar { /// First span where it is accessed (there can be multiple). pub span: Span, @@ -3483,7 +3479,7 @@ pub struct Upvar { // The TraitCandidate's import_ids is empty if the trait is defined in the same module, and // has length > 0 if the trait is found through an chain of imports, starting with the // import/use statement in the scope where the trait is used. -#[derive(Encodable, Decodable, Debug, Clone, HashStable_Generic)] +#[derive(Debug, Clone, HashStable_Generic)] pub struct TraitCandidate { pub def_id: DefId, pub import_ids: SmallVec<[LocalDefId; 1]>, diff --git a/compiler/rustc_hir_analysis/src/check/intrinsic.rs b/compiler/rustc_hir_analysis/src/check/intrinsic.rs index 0fcbaa2efab..d505d8b8e0b 100644 --- a/compiler/rustc_hir_analysis/src/check/intrinsic.rs +++ b/compiler/rustc_hir_analysis/src/check/intrinsic.rs @@ -215,7 +215,8 @@ pub fn check_intrinsic_type(tcx: TyCtxt<'_>, it: &hir::ForeignItem<'_>) { sym::type_name => (1, Vec::new(), tcx.mk_static_str()), sym::type_id => (1, Vec::new(), tcx.types.u64), - sym::offset | sym::arith_offset => ( + sym::offset => (2, vec![param(0), param(1)], param(0)), + sym::arith_offset => ( 1, vec![ tcx.mk_ptr(ty::TypeAndMut { ty: param(0), mutbl: hir::Mutability::Not }), diff --git a/compiler/rustc_hir_analysis/src/check/region.rs b/compiler/rustc_hir_analysis/src/check/region.rs index 421b3df2d53..6ab5556e951 100644 --- a/compiler/rustc_hir_analysis/src/check/region.rs +++ b/compiler/rustc_hir_analysis/src/check/region.rs @@ -421,7 +421,7 @@ fn resolve_expr<'tcx>(visitor: &mut RegionResolutionVisitor<'tcx>, expr: &'tcx h let target_scopes = visitor.fixup_scopes.drain(start_point..); for scope in target_scopes { - let mut yield_data = + let yield_data = visitor.scope_tree.yield_in_scope.get_mut(&scope).unwrap().last_mut().unwrap(); let count = yield_data.expr_and_pat_count; let span = yield_data.span; diff --git a/compiler/rustc_hir_typeck/src/lib.rs b/compiler/rustc_hir_typeck/src/lib.rs index 5ccac9a6925..d50be47c915 100644 --- a/compiler/rustc_hir_typeck/src/lib.rs +++ b/compiler/rustc_hir_typeck/src/lib.rs @@ -221,12 +221,6 @@ fn typeck_with_fallback<'tcx>( })) } else if let Node::AnonConst(_) = node { match tcx.hir().get(tcx.hir().parent_id(id)) { - Node::Expr(&hir::Expr { - kind: hir::ExprKind::ConstBlock(ref anon_const), .. - }) if anon_const.hir_id == id => Some(fcx.next_ty_var(TypeVariableOrigin { - kind: TypeVariableOriginKind::TypeInference, - span, - })), Node::Ty(&hir::Ty { kind: hir::TyKind::Typeof(ref anon_const), .. }) if anon_const.hir_id == id => { @@ -461,15 +455,9 @@ fn fatally_break_rust(sess: &Session) { )); } -fn has_expected_num_generic_args( - tcx: TyCtxt<'_>, - trait_did: Option<DefId>, - expected: usize, -) -> bool { - trait_did.map_or(true, |trait_did| { - let generics = tcx.generics_of(trait_did); - generics.count() == expected + if generics.has_self { 1 } else { 0 } - }) +fn has_expected_num_generic_args(tcx: TyCtxt<'_>, trait_did: DefId, expected: usize) -> bool { + let generics = tcx.generics_of(trait_did); + generics.count() == expected + if generics.has_self { 1 } else { 0 } } pub fn provide(providers: &mut Providers) { diff --git a/compiler/rustc_hir_typeck/src/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs index db1f10f645f..43f40ada5ac 100644 --- a/compiler/rustc_hir_typeck/src/method/suggest.rs +++ b/compiler/rustc_hir_typeck/src/method/suggest.rs @@ -27,8 +27,8 @@ use rustc_middle::traits::util::supertraits; use rustc_middle::ty::fast_reject::DeepRejectCtxt; use rustc_middle::ty::fast_reject::{simplify_type, TreatParams}; use rustc_middle::ty::print::{with_crate_prefix, with_forced_trimmed_paths}; +use rustc_middle::ty::IsSuggestable; use rustc_middle::ty::{self, GenericArgKind, Ty, TyCtxt, TypeVisitableExt}; -use rustc_middle::ty::{IsSuggestable, ToPolyTraitRef}; use rustc_span::symbol::{kw, sym, Ident}; use rustc_span::Symbol; use rustc_span::{edit_distance, source_map, ExpnKind, FileName, MacroKind, Span}; @@ -2068,7 +2068,11 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let mut derives = Vec::<(String, Span, Symbol)>::new(); let mut traits = Vec::new(); for (pred, _, _) in unsatisfied_predicates { - let ty::PredicateKind::Clause(ty::Clause::Trait(trait_pred)) = pred.kind().skip_binder() else { continue }; + let Some(ty::PredicateKind::Clause(ty::Clause::Trait(trait_pred))) = + pred.kind().no_bound_vars() + else { + continue + }; let adt = match trait_pred.self_ty().ty_adt_def() { Some(adt) if adt.did().is_local() => adt, _ => continue, @@ -2085,22 +2089,31 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { | sym::Hash | sym::Debug => true, _ => false, + } && match trait_pred.trait_ref.substs.as_slice() { + // Only suggest deriving if lhs == rhs... + [lhs, rhs] => { + if let Some(lhs) = lhs.as_type() + && let Some(rhs) = rhs.as_type() + { + self.can_eq(self.param_env, lhs, rhs) + } else { + false + } + }, + // Unary ops can always be derived + [_] => true, + _ => false, }; if can_derive { let self_name = trait_pred.self_ty().to_string(); let self_span = self.tcx.def_span(adt.did()); - if let Some(poly_trait_ref) = pred.to_opt_poly_trait_pred() { - for super_trait in supertraits(self.tcx, poly_trait_ref.to_poly_trait_ref()) + for super_trait in + supertraits(self.tcx, ty::Binder::dummy(trait_pred.trait_ref)) + { + if let Some(parent_diagnostic_name) = + self.tcx.get_diagnostic_name(super_trait.def_id()) { - if let Some(parent_diagnostic_name) = - self.tcx.get_diagnostic_name(super_trait.def_id()) - { - derives.push(( - self_name.clone(), - self_span, - parent_diagnostic_name, - )); - } + derives.push((self_name.clone(), self_span, parent_diagnostic_name)); } } derives.push((self_name, self_span, diagnostic_name)); diff --git a/compiler/rustc_hir_typeck/src/op.rs b/compiler/rustc_hir_typeck/src/op.rs index a52c94cb00c..e91ae4466eb 100644 --- a/compiler/rustc_hir_typeck/src/op.rs +++ b/compiler/rustc_hir_typeck/src/op.rs @@ -408,7 +408,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } }; - let is_compatible = |lhs_ty, rhs_ty| { + let is_compatible_after_call = |lhs_ty, rhs_ty| { self.lookup_op_method( lhs_ty, Some((rhs_expr, rhs_ty)), @@ -416,6 +416,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { expected, ) .is_ok() + // Suggest calling even if, after calling, the types don't + // implement the operator, since it'll lead to better + // diagnostics later. + || self.can_eq(self.param_env, lhs_ty, rhs_ty) }; // We should suggest `a + b` => `*a + b` if `a` is copy, and suggest @@ -436,16 +440,16 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { suggest_deref_binop(*lhs_deref_ty); } } else if self.suggest_fn_call(&mut err, lhs_expr, lhs_ty, |lhs_ty| { - is_compatible(lhs_ty, rhs_ty) + is_compatible_after_call(lhs_ty, rhs_ty) }) || self.suggest_fn_call(&mut err, rhs_expr, rhs_ty, |rhs_ty| { - is_compatible(lhs_ty, rhs_ty) + is_compatible_after_call(lhs_ty, rhs_ty) }) || self.suggest_two_fn_call( &mut err, rhs_expr, rhs_ty, lhs_expr, lhs_ty, - |lhs_ty, rhs_ty| is_compatible(lhs_ty, rhs_ty), + |lhs_ty, rhs_ty| is_compatible_after_call(lhs_ty, rhs_ty), ) { // Cool } @@ -719,7 +723,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { Op::Binary(op, _) => op.span, Op::Unary(_, span) => span, }; - let (opname, trait_did) = lang_item_for_op(self.tcx, op, span); + let (opname, Some(trait_did)) = lang_item_for_op(self.tcx, op, span) else { + // Bail if the operator trait is not defined. + return Err(vec![]); + }; debug!( "lookup_op_method(lhs_ty={:?}, op={:?}, opname={:?}, trait_did={:?})", @@ -759,18 +766,33 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { }, ); - let method = trait_did.and_then(|trait_did| { - self.lookup_method_in_trait(cause.clone(), opname, trait_did, lhs_ty, Some(input_types)) - }); - - match (method, trait_did) { - (Some(ok), _) => { + let method = self.lookup_method_in_trait( + cause.clone(), + opname, + trait_did, + lhs_ty, + Some(input_types), + ); + match method { + Some(ok) => { let method = self.register_infer_ok_obligations(ok); self.select_obligations_where_possible(|_| {}); Ok(method) } - (None, None) => Err(vec![]), - (None, Some(trait_did)) => { + None => { + // This path may do some inference, so make sure we've really + // doomed compilation so as to not accidentally stabilize new + // inference or something here... + self.tcx.sess.delay_span_bug(span, "this path really should be doomed..."); + // Guide inference for the RHS expression if it's provided -- + // this will allow us to better error reporting, at the expense + // of making some error messages a bit more specific. + if let Some((rhs_expr, rhs_ty)) = opt_rhs + && rhs_ty.is_ty_var() + { + self.check_expr_coercible_to_type(rhs_expr, rhs_ty, None); + } + let (obligation, _) = self.obligation_for_method(cause, trait_did, lhs_ty, Some(input_types)); // FIXME: This should potentially just add the obligation to the `FnCtxt` diff --git a/compiler/rustc_hir_typeck/src/place_op.rs b/compiler/rustc_hir_typeck/src/place_op.rs index 2cca45de5e9..1f7e7ba9f5b 100644 --- a/compiler/rustc_hir_typeck/src/place_op.rs +++ b/compiler/rustc_hir_typeck/src/place_op.rs @@ -200,9 +200,12 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ) -> Option<InferOk<'tcx, MethodCallee<'tcx>>> { debug!("try_overloaded_place_op({:?},{:?},{:?})", span, base_ty, op); - let (imm_tr, imm_op) = match op { + let (Some(imm_tr), imm_op) = (match op { PlaceOp::Deref => (self.tcx.lang_items().deref_trait(), sym::deref), PlaceOp::Index => (self.tcx.lang_items().index_trait(), sym::index), + }) else { + // Bail if `Deref` or `Index` isn't defined. + return None; }; // If the lang item was declared incorrectly, stop here so that we don't @@ -219,15 +222,13 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { return None; } - imm_tr.and_then(|trait_did| { - self.lookup_method_in_trait( - self.misc(span), - Ident::with_dummy_span(imm_op), - trait_did, - base_ty, - Some(arg_tys), - ) - }) + self.lookup_method_in_trait( + self.misc(span), + Ident::with_dummy_span(imm_op), + imm_tr, + base_ty, + Some(arg_tys), + ) } fn try_mutable_overloaded_place_op( @@ -239,9 +240,12 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ) -> Option<InferOk<'tcx, MethodCallee<'tcx>>> { debug!("try_mutable_overloaded_place_op({:?},{:?},{:?})", span, base_ty, op); - let (mut_tr, mut_op) = match op { + let (Some(mut_tr), mut_op) = (match op { PlaceOp::Deref => (self.tcx.lang_items().deref_mut_trait(), sym::deref_mut), PlaceOp::Index => (self.tcx.lang_items().index_mut_trait(), sym::index_mut), + }) else { + // Bail if `DerefMut` or `IndexMut` isn't defined. + return None; }; // If the lang item was declared incorrectly, stop here so that we don't @@ -258,15 +262,13 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { return None; } - mut_tr.and_then(|trait_did| { - self.lookup_method_in_trait( - self.misc(span), - Ident::with_dummy_span(mut_op), - trait_did, - base_ty, - Some(arg_tys), - ) - }) + self.lookup_method_in_trait( + self.misc(span), + Ident::with_dummy_span(mut_op), + mut_tr, + base_ty, + Some(arg_tys), + ) } /// Convert auto-derefs, indices, etc of an expression from `Deref` and `Index` diff --git a/compiler/rustc_infer/src/traits/project.rs b/compiler/rustc_infer/src/traits/project.rs index 8d0af738dd1..e375d611936 100644 --- a/compiler/rustc_infer/src/traits/project.rs +++ b/compiler/rustc_infer/src/traits/project.rs @@ -20,7 +20,7 @@ pub struct MismatchedProjectionTypes<'tcx> { pub err: ty::error::TypeError<'tcx>, } -#[derive(Clone, TypeFoldable, TypeVisitable)] +#[derive(Clone)] pub struct Normalized<'tcx, T> { pub value: T, pub obligations: Vec<PredicateObligation<'tcx>>, diff --git a/compiler/rustc_interface/src/util.rs b/compiler/rustc_interface/src/util.rs index 612903810d2..a27a1e2978a 100644 --- a/compiler/rustc_interface/src/util.rs +++ b/compiler/rustc_interface/src/util.rs @@ -4,6 +4,8 @@ use libloading::Library; use rustc_ast as ast; use rustc_codegen_ssa::traits::CodegenBackend; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; +#[cfg(parallel_compiler)] +use rustc_data_structures::sync; use rustc_errors::registry::Registry; use rustc_parse::validate_attr; use rustc_session as session; @@ -170,6 +172,7 @@ pub(crate) fn run_in_thread_pool_with_globals<F: FnOnce() -> R + Send, R: Send>( use rustc_middle::ty::tls; use rustc_query_impl::{deadlock, QueryContext, QueryCtxt}; + let registry = sync::Registry::new(threads); let mut builder = rayon::ThreadPoolBuilder::new() .thread_name(|_| "rustc".to_string()) .acquire_thread_handler(jobserver::acquire_thread) @@ -200,6 +203,9 @@ pub(crate) fn run_in_thread_pool_with_globals<F: FnOnce() -> R + Send, R: Send>( .build_scoped( // Initialize each new worker thread when created. move |thread: rayon::ThreadBuilder| { + // Register the thread for use with the `WorkerLocal` type. + registry.register(); + rustc_span::set_session_globals_then(session_globals, || thread.run()) }, // Run `f` on the first thread in the thread pool. diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index b223b8c137a..a3d7bd3ef59 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -3273,110 +3273,115 @@ declare_lint_pass! { /// Does nothing as a lint pass, but registers some `Lint`s /// that are used by other parts of the compiler. HardwiredLints => [ - FORBIDDEN_LINT_GROUPS, - ILLEGAL_FLOATING_POINT_LITERAL_PATTERN, + // tidy-alphabetical-start + ABSOLUTE_PATHS_NOT_STARTING_WITH_CRATE, + AMBIGUOUS_ASSOCIATED_ITEMS, + AMBIGUOUS_GLOB_REEXPORTS, ARITHMETIC_OVERFLOW, - UNCONDITIONAL_PANIC, - UNUSED_IMPORTS, - UNUSED_EXTERN_CRATES, - UNUSED_CRATE_DEPENDENCIES, - UNUSED_QUALIFICATIONS, - UNKNOWN_LINTS, - UNFULFILLED_LINT_EXPECTATIONS, - UNUSED_VARIABLES, - UNUSED_ASSIGNMENTS, - DEAD_CODE, - UNREACHABLE_CODE, - UNREACHABLE_PATTERNS, - OVERLAPPING_RANGE_ENDPOINTS, + ASM_SUB_REGISTER, + BAD_ASM_STYLE, + BARE_TRAIT_OBJECTS, BINDINGS_WITH_VARIANT_NAME, - UNUSED_MACROS, - UNUSED_MACRO_RULES, - WARNINGS, - UNUSED_FEATURES, - STABLE_FEATURES, - UNKNOWN_CRATE_TYPES, - TRIVIAL_CASTS, - TRIVIAL_NUMERIC_CASTS, - PRIVATE_IN_PUBLIC, - EXPORTED_PRIVATE_DEPENDENCIES, - PUB_USE_OF_PRIVATE_EXTERN_CRATE, - INVALID_TYPE_PARAM_DEFAULT, - RENAMED_AND_REMOVED_LINTS, - CONST_ITEM_MUTATION, - PATTERNS_IN_FNS_WITHOUT_BODY, - MISSING_FRAGMENT_SPECIFIER, - LATE_BOUND_LIFETIME_ARGUMENTS, - ORDER_DEPENDENT_TRAIT_OBJECTS, + BREAK_WITH_LABEL_AND_LOOP, + BYTE_SLICE_IN_PACKED_STRUCT_WITH_DERIVE, + CENUM_IMPL_DROP_CAST, COHERENCE_LEAK_CHECK, + CONFLICTING_REPR_HINTS, + CONST_EVALUATABLE_UNCHECKED, + CONST_ITEM_MUTATION, + DEAD_CODE, DEPRECATED, - UNUSED_UNSAFE, - UNUSED_MUT, - UNCONDITIONAL_RECURSION, - SINGLE_USE_LIFETIMES, - UNUSED_LIFETIMES, - UNUSED_LABELS, - TYVAR_BEHIND_RAW_POINTER, + DEPRECATED_CFG_ATTR_CRATE_TYPE_NAME, + DEPRECATED_IN_FUTURE, + DEPRECATED_WHERE_CLAUSE_LOCATION, + DUPLICATE_MACRO_ATTRIBUTES, ELIDED_LIFETIMES_IN_PATHS, - BARE_TRAIT_OBJECTS, - ABSOLUTE_PATHS_NOT_STARTING_WITH_CRATE, - UNSTABLE_NAME_COLLISIONS, - IRREFUTABLE_LET_PATTERNS, - WHERE_CLAUSES_OBJECT_SAFETY, - PROC_MACRO_DERIVE_RESOLUTION_FALLBACK, - MACRO_USE_EXTERN_CRATE, - MACRO_EXPANDED_MACRO_EXPORTS_ACCESSED_BY_ABSOLUTE_PATHS, + EXPORTED_PRIVATE_DEPENDENCIES, + FFI_UNWIND_CALLS, + FORBIDDEN_LINT_GROUPS, + FUNCTION_ITEM_REFERENCES, + FUZZY_PROVENANCE_CASTS, ILL_FORMED_ATTRIBUTE_INPUT, - CONFLICTING_REPR_HINTS, - META_VARIABLE_MISUSE, - DEPRECATED_IN_FUTURE, - AMBIGUOUS_ASSOCIATED_ITEMS, - INDIRECT_STRUCTURAL_MATCH, - POINTER_STRUCTURAL_MATCH, - NONTRIVIAL_STRUCTURAL_MATCH, - SOFT_UNSTABLE, - UNSTABLE_SYNTAX_PRE_EXPANSION, - INLINE_NO_SANITIZE, - BAD_ASM_STYLE, - ASM_SUB_REGISTER, - UNSAFE_OP_IN_UNSAFE_FN, + ILLEGAL_FLOATING_POINT_LITERAL_PATTERN, + IMPLIED_BOUNDS_ENTAILMENT, INCOMPLETE_INCLUDE, - CENUM_IMPL_DROP_CAST, - FUZZY_PROVENANCE_CASTS, - LOSSY_PROVENANCE_CASTS, - CONST_EVALUATABLE_UNCHECKED, + INDIRECT_STRUCTURAL_MATCH, INEFFECTIVE_UNSTABLE_TRAIT_IMPL, - MUST_NOT_SUSPEND, - UNINHABITED_STATIC, - FUNCTION_ITEM_REFERENCES, - USELESS_DEPRECATED, - MISSING_ABI, + INLINE_NO_SANITIZE, + INVALID_ALIGNMENT, INVALID_DOC_ATTRIBUTES, - SEMICOLON_IN_EXPRESSIONS_FROM_MACROS, - RUST_2021_INCOMPATIBLE_CLOSURE_CAPTURES, + INVALID_MACRO_EXPORT_ARGUMENTS, + INVALID_TYPE_PARAM_DEFAULT, + IRREFUTABLE_LET_PATTERNS, + LARGE_ASSIGNMENTS, + LATE_BOUND_LIFETIME_ARGUMENTS, LEGACY_DERIVE_HELPERS, + LOSSY_PROVENANCE_CASTS, + MACRO_EXPANDED_MACRO_EXPORTS_ACCESSED_BY_ABSOLUTE_PATHS, + MACRO_USE_EXTERN_CRATE, + META_VARIABLE_MISUSE, + MISSING_ABI, + MISSING_FRAGMENT_SPECIFIER, + MUST_NOT_SUSPEND, + NAMED_ARGUMENTS_USED_POSITIONALLY, + NON_EXHAUSTIVE_OMITTED_PATTERNS, + NONTRIVIAL_STRUCTURAL_MATCH, + ORDER_DEPENDENT_TRAIT_OBJECTS, + OVERLAPPING_RANGE_ENDPOINTS, + PATTERNS_IN_FNS_WITHOUT_BODY, + POINTER_STRUCTURAL_MATCH, + PRIVATE_IN_PUBLIC, PROC_MACRO_BACK_COMPAT, + PROC_MACRO_DERIVE_RESOLUTION_FALLBACK, + PUB_USE_OF_PRIVATE_EXTERN_CRATE, + RENAMED_AND_REMOVED_LINTS, + REPR_TRANSPARENT_EXTERNAL_PRIVATE_FIELDS, + RUST_2021_INCOMPATIBLE_CLOSURE_CAPTURES, RUST_2021_INCOMPATIBLE_OR_PATTERNS, - LARGE_ASSIGNMENTS, - RUST_2021_PRELUDE_COLLISIONS, RUST_2021_PREFIXES_INCOMPATIBLE_SYNTAX, + RUST_2021_PRELUDE_COLLISIONS, + SEMICOLON_IN_EXPRESSIONS_FROM_MACROS, + SINGLE_USE_LIFETIMES, + SOFT_UNSTABLE, + STABLE_FEATURES, + SUSPICIOUS_AUTO_TRAIT_IMPLS, + TEST_UNSTABLE_LINT, + TEXT_DIRECTION_CODEPOINT_IN_COMMENT, + TRIVIAL_CASTS, + TRIVIAL_NUMERIC_CASTS, + TYVAR_BEHIND_RAW_POINTER, + UNCONDITIONAL_PANIC, + UNCONDITIONAL_RECURSION, + UNDEFINED_NAKED_FUNCTION_ABI, + UNFULFILLED_LINT_EXPECTATIONS, + UNINHABITED_STATIC, + UNKNOWN_CRATE_TYPES, + UNKNOWN_LINTS, + UNREACHABLE_CODE, + UNREACHABLE_PATTERNS, + UNSAFE_OP_IN_UNSAFE_FN, + UNSTABLE_NAME_COLLISIONS, + UNSTABLE_SYNTAX_PRE_EXPANSION, UNSUPPORTED_CALLING_CONVENTIONS, - BREAK_WITH_LABEL_AND_LOOP, + UNUSED_ASSIGNMENTS, UNUSED_ATTRIBUTES, + UNUSED_CRATE_DEPENDENCIES, + UNUSED_EXTERN_CRATES, + UNUSED_FEATURES, + UNUSED_IMPORTS, + UNUSED_LABELS, + UNUSED_LIFETIMES, + UNUSED_MACRO_RULES, + UNUSED_MACROS, + UNUSED_MUT, + UNUSED_QUALIFICATIONS, UNUSED_TUPLE_STRUCT_FIELDS, - NON_EXHAUSTIVE_OMITTED_PATTERNS, - TEXT_DIRECTION_CODEPOINT_IN_COMMENT, - DEPRECATED_CFG_ATTR_CRATE_TYPE_NAME, - DUPLICATE_MACRO_ATTRIBUTES, - SUSPICIOUS_AUTO_TRAIT_IMPLS, - DEPRECATED_WHERE_CLAUSE_LOCATION, - TEST_UNSTABLE_LINT, - FFI_UNWIND_CALLS, - REPR_TRANSPARENT_EXTERNAL_PRIVATE_FIELDS, - NAMED_ARGUMENTS_USED_POSITIONALLY, - IMPLIED_BOUNDS_ENTAILMENT, - BYTE_SLICE_IN_PACKED_STRUCT_WITH_DERIVE, - AMBIGUOUS_GLOB_REEXPORTS, + UNUSED_UNSAFE, + UNUSED_VARIABLES, + USELESS_DEPRECATED, + WARNINGS, + WHERE_CLAUSES_OBJECT_SAFETY, + // tidy-alphabetical-end ] } diff --git a/compiler/rustc_metadata/src/creader.rs b/compiler/rustc_metadata/src/creader.rs index 179453238f2..01b69966ca9 100644 --- a/compiler/rustc_metadata/src/creader.rs +++ b/compiler/rustc_metadata/src/creader.rs @@ -27,6 +27,7 @@ use rustc_span::{Span, DUMMY_SP}; use rustc_target::spec::{PanicStrategy, TargetTriple}; use proc_macro::bridge::client::ProcMacro; +use std::error::Error; use std::ops::Fn; use std::path::Path; use std::time::Duration; @@ -1094,5 +1095,12 @@ fn load_dylib(path: &Path, max_attempts: usize) -> Result<libloading::Library, S } debug!("Failed to load proc-macro `{}` even after {} attempts.", path.display(), max_attempts); - Err(format!("{} (retried {} times)", last_error.unwrap(), max_attempts)) + + let last_error = last_error.unwrap(); + let message = if let Some(src) = last_error.source() { + format!("{last_error} ({src}) (retried {max_attempts} times)") + } else { + format!("{last_error} (retried {max_attempts} times)") + }; + Err(message) } diff --git a/compiler/rustc_middle/src/hir/place.rs b/compiler/rustc_middle/src/hir/place.rs index 80b4c964ce4..8a22de931c3 100644 --- a/compiler/rustc_middle/src/hir/place.rs +++ b/compiler/rustc_middle/src/hir/place.rs @@ -66,7 +66,6 @@ pub struct Place<'tcx> { /// /// This is an HIR version of [`rustc_middle::mir::Place`]. #[derive(Clone, Debug, PartialEq, Eq, Hash, TyEncodable, TyDecodable, HashStable)] -#[derive(TypeFoldable, TypeVisitable)] pub struct PlaceWithHirId<'tcx> { /// `HirId` of the expression or pattern producing this value. pub hir_id: HirId, diff --git a/compiler/rustc_middle/src/middle/region.rs b/compiler/rustc_middle/src/middle/region.rs index 94ca38c0e75..10712e14686 100644 --- a/compiler/rustc_middle/src/middle/region.rs +++ b/compiler/rustc_middle/src/middle/region.rs @@ -203,7 +203,7 @@ impl Scope { pub type ScopeDepth = u32; /// The region scope tree encodes information about region relationships. -#[derive(TyEncodable, TyDecodable, Default, Debug)] +#[derive(Default, Debug)] pub struct ScopeTree { /// If not empty, this body is the root of this region hierarchy. pub root_body: Option<hir::HirId>, @@ -317,13 +317,13 @@ pub struct ScopeTree { /// candidates in general). In constants, the `lifetime` field is None /// to indicate that certain expressions escape into 'static and /// should have no local cleanup scope. -#[derive(Debug, Copy, Clone, TyEncodable, TyDecodable, HashStable)] +#[derive(Debug, Copy, Clone, HashStable)] pub enum RvalueCandidateType { Borrow { target: hir::ItemLocalId, lifetime: Option<Scope> }, Pattern { target: hir::ItemLocalId, lifetime: Option<Scope> }, } -#[derive(Debug, Copy, Clone, TyEncodable, TyDecodable, HashStable)] +#[derive(Debug, Copy, Clone, HashStable)] pub struct YieldData { /// The `Span` of the yield. pub span: Span, diff --git a/compiler/rustc_middle/src/mir/mod.rs b/compiler/rustc_middle/src/mir/mod.rs index 039194284b8..2490b17aac0 100644 --- a/compiler/rustc_middle/src/mir/mod.rs +++ b/compiler/rustc_middle/src/mir/mod.rs @@ -9,7 +9,7 @@ use crate::mir::visit::MirVisitable; use crate::ty::codec::{TyDecoder, TyEncoder}; use crate::ty::fold::{FallibleTypeFolder, TypeFoldable}; use crate::ty::print::{FmtPrinter, Printer}; -use crate::ty::visit::{TypeVisitable, TypeVisitableExt, TypeVisitor}; +use crate::ty::visit::TypeVisitableExt; use crate::ty::{self, List, Ty, TyCtxt}; use crate::ty::{AdtDef, InstanceDef, ScalarInt, UserTypeAnnotationIndex}; use crate::ty::{GenericArg, InternalSubsts, SubstsRef}; @@ -36,7 +36,7 @@ use either::Either; use std::borrow::Cow; use std::fmt::{self, Debug, Display, Formatter, Write}; -use std::ops::{ControlFlow, Index, IndexMut}; +use std::ops::{Index, IndexMut}; use std::{iter, mem}; pub use self::query::*; @@ -2722,6 +2722,7 @@ impl<'tcx> UserTypeProjections { /// `field[0]` (aka `.0`), indicating that the type of `s` is /// determined by finding the type of the `.0` field from `T`. #[derive(Clone, Debug, TyEncodable, TyDecodable, Hash, HashStable, PartialEq)] +#[derive(TypeFoldable, TypeVisitable)] pub struct UserTypeProjection { pub base: UserTypeAnnotationIndex, pub projs: Vec<ProjectionKind>, @@ -2765,28 +2766,6 @@ impl UserTypeProjection { } } -impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for UserTypeProjection { - fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( - self, - folder: &mut F, - ) -> Result<Self, F::Error> { - Ok(UserTypeProjection { - base: self.base.try_fold_with(folder)?, - projs: self.projs.try_fold_with(folder)?, - }) - } -} - -impl<'tcx> TypeVisitable<TyCtxt<'tcx>> for UserTypeProjection { - fn visit_with<Vs: TypeVisitor<TyCtxt<'tcx>>>( - &self, - visitor: &mut Vs, - ) -> ControlFlow<Vs::BreakTy> { - self.base.visit_with(visitor) - // Note: there's nothing in `self.proj` to visit. - } -} - rustc_index::newtype_index! { #[derive(HashStable)] #[debug_format = "promoted[{}]"] diff --git a/compiler/rustc_middle/src/thir.rs b/compiler/rustc_middle/src/thir.rs index da86cfd4772..813e109c41e 100644 --- a/compiler/rustc_middle/src/thir.rs +++ b/compiler/rustc_middle/src/thir.rs @@ -234,7 +234,6 @@ pub enum StmtKind<'tcx> { } #[derive(Clone, Debug, Copy, PartialEq, Eq, Hash, HashStable, TyEncodable, TyDecodable)] -#[derive(TypeFoldable, TypeVisitable)] pub struct LocalVarId(pub hir::HirId); /// A THIR expression. diff --git a/compiler/rustc_middle/src/traits/mod.rs b/compiler/rustc_middle/src/traits/mod.rs index 6a8ae525069..d69d42bb5d3 100644 --- a/compiler/rustc_middle/src/traits/mod.rs +++ b/compiler/rustc_middle/src/traits/mod.rs @@ -199,7 +199,7 @@ impl<'tcx> ObligationCause<'tcx> { } } -#[derive(Clone, Debug, PartialEq, Eq, Hash, Lift, HashStable, TyEncodable, TyDecodable)] +#[derive(Clone, Debug, PartialEq, Eq, Lift, HashStable, TyEncodable, TyDecodable)] #[derive(TypeVisitable, TypeFoldable)] pub struct UnifyReceiverContext<'tcx> { pub assoc_item: ty::AssocItem, @@ -207,7 +207,7 @@ pub struct UnifyReceiverContext<'tcx> { pub substs: SubstsRef<'tcx>, } -#[derive(Clone, PartialEq, Eq, Hash, Lift, Default, HashStable)] +#[derive(Clone, PartialEq, Eq, Lift, Default, HashStable)] #[derive(TypeVisitable, TypeFoldable, TyEncodable, TyDecodable)] pub struct InternedObligationCauseCode<'tcx> { /// `None` for `ObligationCauseCode::MiscObligation` (a common case, occurs ~60% of @@ -243,7 +243,7 @@ impl<'tcx> std::ops::Deref for InternedObligationCauseCode<'tcx> { } } -#[derive(Clone, Debug, PartialEq, Eq, Hash, Lift, HashStable, TyEncodable, TyDecodable)] +#[derive(Clone, Debug, PartialEq, Eq, Lift, HashStable, TyEncodable, TyDecodable)] #[derive(TypeVisitable, TypeFoldable)] pub enum ObligationCauseCode<'tcx> { /// Not well classified or should be obvious from the span. @@ -468,7 +468,7 @@ pub enum WellFormedLoc { }, } -#[derive(Clone, Debug, PartialEq, Eq, Hash, Lift, HashStable, TyEncodable, TyDecodable)] +#[derive(Clone, Debug, PartialEq, Eq, Lift, HashStable, TyEncodable, TyDecodable)] #[derive(TypeVisitable, TypeFoldable)] pub struct ImplDerivedObligationCause<'tcx> { pub derived: DerivedObligationCause<'tcx>, @@ -529,7 +529,7 @@ impl<'tcx> ty::Lift<'tcx> for StatementAsExpression { } } -#[derive(Clone, Debug, PartialEq, Eq, Hash, Lift, HashStable, TyEncodable, TyDecodable)] +#[derive(Clone, Debug, PartialEq, Eq, Lift, HashStable, TyEncodable, TyDecodable)] #[derive(TypeVisitable, TypeFoldable)] pub struct MatchExpressionArmCause<'tcx> { pub arm_block_id: Option<hir::HirId>, @@ -545,7 +545,7 @@ pub struct MatchExpressionArmCause<'tcx> { pub opt_suggest_box_span: Option<Span>, } -#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)] +#[derive(Copy, Clone, Debug, PartialEq, Eq)] #[derive(Lift, TypeFoldable, TypeVisitable, HashStable, TyEncodable, TyDecodable)] pub struct IfExpressionCause<'tcx> { pub then_id: hir::HirId, @@ -556,7 +556,7 @@ pub struct IfExpressionCause<'tcx> { pub opt_suggest_box_span: Option<Span>, } -#[derive(Clone, Debug, PartialEq, Eq, Hash, Lift, HashStable, TyEncodable, TyDecodable)] +#[derive(Clone, Debug, PartialEq, Eq, Lift, HashStable, TyEncodable, TyDecodable)] #[derive(TypeVisitable, TypeFoldable)] pub struct DerivedObligationCause<'tcx> { /// The trait predicate of the parent obligation that led to the @@ -569,7 +569,7 @@ pub struct DerivedObligationCause<'tcx> { pub parent_code: InternedObligationCauseCode<'tcx>, } -#[derive(Clone, Debug, TypeFoldable, TypeVisitable, Lift)] +#[derive(Clone, Debug, TypeVisitable, Lift)] pub enum SelectionError<'tcx> { /// The trait is not implemented. Unimplemented, diff --git a/compiler/rustc_middle/src/traits/select.rs b/compiler/rustc_middle/src/traits/select.rs index 1cc9fd526b4..f2dda003b99 100644 --- a/compiler/rustc_middle/src/traits/select.rs +++ b/compiler/rustc_middle/src/traits/select.rs @@ -103,7 +103,7 @@ pub type EvaluationCache<'tcx> = Cache< /// required for associated types to work in default impls, as the bounds /// are visible both as projection bounds and as where-clauses from the /// parameter environment. -#[derive(PartialEq, Eq, Debug, Clone, TypeFoldable, TypeVisitable)] +#[derive(PartialEq, Eq, Debug, Clone, TypeVisitable)] pub enum SelectionCandidate<'tcx> { /// A builtin implementation for some specific traits, used in cases /// where we cannot rely an ordinary library implementations. diff --git a/compiler/rustc_middle/src/traits/solve.rs b/compiler/rustc_middle/src/traits/solve.rs index fef2be133e8..6b7b910a59b 100644 --- a/compiler/rustc_middle/src/traits/solve.rs +++ b/compiler/rustc_middle/src/traits/solve.rs @@ -120,7 +120,7 @@ impl<'tcx> std::ops::Deref for ExternalConstraints<'tcx> { } /// Additional constraints returned on success. -#[derive(Debug, PartialEq, Eq, Clone, Hash, Default, TypeFoldable, TypeVisitable)] +#[derive(Debug, PartialEq, Eq, Clone, Hash, Default)] pub struct ExternalConstraintsData<'tcx> { // FIXME: implement this. pub region_constraints: QueryRegionConstraints<'tcx>, diff --git a/compiler/rustc_middle/src/ty/adt.rs b/compiler/rustc_middle/src/ty/adt.rs index 30e488a9e47..6187fc43cf8 100644 --- a/compiler/rustc_middle/src/ty/adt.rs +++ b/compiler/rustc_middle/src/ty/adt.rs @@ -188,7 +188,7 @@ impl<'tcx> AdtDef<'tcx> { } } -#[derive(Copy, Clone, Debug, Eq, PartialEq, Hash, HashStable, TyEncodable, TyDecodable)] +#[derive(Copy, Clone, Debug, Eq, PartialEq, HashStable, TyEncodable, TyDecodable)] pub enum AdtKind { Struct, Union, diff --git a/compiler/rustc_middle/src/ty/error.rs b/compiler/rustc_middle/src/ty/error.rs index aff6c77e039..1be61e16dbe 100644 --- a/compiler/rustc_middle/src/ty/error.rs +++ b/compiler/rustc_middle/src/ty/error.rs @@ -28,7 +28,7 @@ impl<T> ExpectedFound<T> { } // Data structures used in type unification -#[derive(Copy, Clone, Debug, TypeFoldable, TypeVisitable, Lift, PartialEq, Eq)] +#[derive(Copy, Clone, Debug, TypeVisitable, Lift, PartialEq, Eq)] #[rustc_pass_by_value] pub enum TypeError<'tcx> { Mismatch, diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index 1c1432ecd5a..2aced27f7bb 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -2690,7 +2690,7 @@ impl<'tcx> ty::PolyTraitPredicate<'tcx> { } } -#[derive(Debug, Copy, Clone, TypeFoldable, TypeVisitable, Lift)] +#[derive(Debug, Copy, Clone, Lift)] pub struct PrintClosureAsImpl<'tcx> { pub closure: ty::ClosureSubsts<'tcx>, } diff --git a/compiler/rustc_middle/src/ty/structural_impls.rs b/compiler/rustc_middle/src/ty/structural_impls.rs index b35b514d795..29a3bc8bb97 100644 --- a/compiler/rustc_middle/src/ty/structural_impls.rs +++ b/compiler/rustc_middle/src/ty/structural_impls.rs @@ -4,7 +4,6 @@ //! to help with the tedium. use crate::mir::interpret; -use crate::mir::ProjectionKind; use crate::ty::fold::{FallibleTypeFolder, TypeFoldable, TypeSuperFoldable}; use crate::ty::print::{with_no_trimmed_paths, FmtPrinter, Printer}; use crate::ty::visit::{TypeSuperVisitable, TypeVisitable, TypeVisitor}; @@ -373,16 +372,6 @@ impl<'a, 'tcx> Lift<'tcx> for ty::ParamEnv<'a> { /////////////////////////////////////////////////////////////////////////// // Traversal implementations. -/// AdtDefs are basically the same as a DefId. -impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for ty::AdtDef<'tcx> { - fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( - self, - _folder: &mut F, - ) -> Result<Self, F::Error> { - Ok(self) - } -} - impl<'tcx> TypeVisitable<TyCtxt<'tcx>> for ty::AdtDef<'tcx> { fn visit_with<V: TypeVisitor<TyCtxt<'tcx>>>( &self, @@ -445,15 +434,6 @@ impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for &'tcx ty::List<ty::Const<'tcx>> { } } -impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for &'tcx ty::List<ProjectionKind> { - fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( - self, - folder: &mut F, - ) -> Result<Self, F::Error> { - ty::util::fold_list(self, folder, |tcx, v| tcx.mk_projs(v)) - } -} - impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for Ty<'tcx> { fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( self, diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs index 82dec7d98ad..7bda20ffe9a 100644 --- a/compiler/rustc_middle/src/ty/sty.rs +++ b/compiler/rustc_middle/src/ty/sty.rs @@ -631,7 +631,7 @@ impl<'tcx> UpvarSubsts<'tcx> { /// type of the constant. The reason that `R` is represented as an extra type parameter /// is the same reason that [`ClosureSubsts`] have `CS` and `U` as type parameters: /// inline const can reference lifetimes that are internal to the creating function. -#[derive(Copy, Clone, Debug, TypeFoldable, TypeVisitable)] +#[derive(Copy, Clone, Debug)] pub struct InlineConstSubsts<'tcx> { /// Generic parameters from the enclosing item, /// concatenated with the inferred type of the constant. diff --git a/compiler/rustc_mir_transform/src/elaborate_drops.rs b/compiler/rustc_mir_transform/src/elaborate_drops.rs index 1e115be2c2a..443f469ce52 100644 --- a/compiler/rustc_mir_transform/src/elaborate_drops.rs +++ b/compiler/rustc_mir_transform/src/elaborate_drops.rs @@ -1,7 +1,7 @@ use crate::deref_separator::deref_finder; use crate::MirPass; -use rustc_data_structures::fx::FxHashMap; use rustc_index::bit_set::BitSet; +use rustc_index::IndexVec; use rustc_middle::mir::patch::MirPatch; use rustc_middle::mir::*; use rustc_middle::ty::{self, TyCtxt}; @@ -84,12 +84,13 @@ impl<'tcx> MirPass<'tcx> for ElaborateDrops { let reachable = traversal::reachable_as_bitset(body); + let drop_flags = IndexVec::from_elem(None, &env.move_data.move_paths); ElaborateDropsCtxt { tcx, body, env: &env, init_data: InitializationData { inits, uninits }, - drop_flags: Default::default(), + drop_flags, patch: MirPatch::new(body), un_derefer: un_derefer, reachable, @@ -293,7 +294,7 @@ struct ElaborateDropsCtxt<'a, 'tcx> { body: &'a Body<'tcx>, env: &'a MoveDataParamEnv<'tcx>, init_data: InitializationData<'a, 'tcx>, - drop_flags: FxHashMap<MovePathIndex, Local>, + drop_flags: IndexVec<MovePathIndex, Option<Local>>, patch: MirPatch<'tcx>, un_derefer: UnDerefer<'tcx>, reachable: BitSet<BasicBlock>, @@ -312,11 +313,11 @@ impl<'b, 'tcx> ElaborateDropsCtxt<'b, 'tcx> { let tcx = self.tcx; let patch = &mut self.patch; debug!("create_drop_flag({:?})", self.body.span); - self.drop_flags.entry(index).or_insert_with(|| patch.new_internal(tcx.types.bool, span)); + self.drop_flags[index].get_or_insert_with(|| patch.new_internal(tcx.types.bool, span)); } fn drop_flag(&mut self, index: MovePathIndex) -> Option<Place<'tcx>> { - self.drop_flags.get(&index).map(|t| Place::from(*t)) + self.drop_flags[index].map(Place::from) } /// create a patch that elaborates all drops in the input @@ -463,7 +464,7 @@ impl<'b, 'tcx> ElaborateDropsCtxt<'b, 'tcx> { } fn set_drop_flag(&mut self, loc: Location, path: MovePathIndex, val: DropFlagState) { - if let Some(&flag) = self.drop_flags.get(&path) { + if let Some(flag) = self.drop_flags[path] { let span = self.patch.source_info_for_location(self.body, loc).span; let val = self.constant_bool(span, val.value()); self.patch.add_assign(loc, Place::from(flag), val); @@ -474,7 +475,7 @@ impl<'b, 'tcx> ElaborateDropsCtxt<'b, 'tcx> { let loc = Location::START; let span = self.patch.source_info_for_location(self.body, loc).span; let false_ = self.constant_bool(span, false); - for flag in self.drop_flags.values() { + for flag in self.drop_flags.iter().flatten() { self.patch.add_assign(loc, Place::from(*flag), false_.clone()); } } diff --git a/compiler/rustc_parse/messages.ftl b/compiler/rustc_parse/messages.ftl index d45fa90a11b..9c4fac84fc2 100644 --- a/compiler/rustc_parse/messages.ftl +++ b/compiler/rustc_parse/messages.ftl @@ -772,3 +772,75 @@ parse_const_bounds_missing_tilde = const bounds must start with `~` .suggestion = add `~` parse_underscore_literal_suffix = underscore literal suffix is not allowed + +parse_expect_label_found_ident = expected a label, found an identifier + .suggestion = labels start with a tick + +parse_inappropriate_default = {$article} {$descr} cannot be `default` + .label = `default` because of this + .note = only associated `fn`, `const`, and `type` items can be `default` + +parse_recover_import_as_use = expected item, found {$token_name} + .suggestion = items are imported using the `use` keyword + +parse_single_colon_import_path = expected `::`, found `:` + .suggestion = use double colon + .note = import paths are delimited using `::` + +parse_bad_item_kind = {$descr} is not supported in {$ctx} + .help = consider moving the {$descr} out to a nearby module scope + +parse_single_colon_struct_type = found single colon in a struct field type path + .suggestion = write a path separator here + +parse_equals_struct_default = default values on `struct` fields aren't supported + .suggestion = remove this unsupported default value + +parse_macro_rules_missing_bang = expected `!` after `macro_rules` + .suggestion = add a `!` + +parse_macro_name_remove_bang = macro names aren't followed by a `!` + .suggestion = remove the `!` + +parse_macro_rules_visibility = can't qualify macro_rules invocation with `{$vis}` + .suggestion = try exporting the macro + +parse_macro_invocation_visibility = can't qualify macro invocation with `pub` + .suggestion = remove the visibility + .help = try adjusting the macro to put `{$vis}` inside the invocation + +parse_nested_adt = `{$kw_str}` definition cannot be nested inside `{$keyword}` + .suggestion = consider creating a new `{$kw_str}` definition instead of nesting + +parse_function_body_equals_expr = function body cannot be `= expression;` + .suggestion = surround the expression with `{"{"}` and `{"}"}` instead of `=` and `;` + +parse_box_not_pat = expected pattern, found {$descr} + .note = `box` is a reserved keyword + .suggestion = escape `box` to use it as an identifier + +parse_unmatched_angle = unmatched angle {$plural -> + [true] brackets + *[false] bracket + } + .suggestion = remove extra angle {$plural -> + [true] brackets + *[false] bracket + } + +parse_missing_plus_in_bounds = expected `+` between lifetime and {$sym} + .suggestion = add `+` + +parse_incorrect_braces_trait_bounds = incorrect braces around trait bounds + .suggestion = remove the parentheses + +parse_kw_bad_case = keyword `{$kw}` is written in the wrong case + .suggestion = write it in the correct case + +parse_meta_bad_delim = wrong meta list delimiters +parse_cfg_attr_bad_delim = wrong `cfg_attr` delimiters +parse_meta_bad_delim_suggestion = the delimiters should be `(` and `)` + +parse_malformed_cfg_attr = malformed `cfg_attr` attribute input + .suggestion = missing condition and attribute + .note = for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg_attr-attribute> diff --git a/compiler/rustc_parse/src/errors.rs b/compiler/rustc_parse/src/errors.rs index b0e1189851a..f286707a9c0 100644 --- a/compiler/rustc_parse/src/errors.rs +++ b/compiler/rustc_parse/src/errors.rs @@ -2421,3 +2421,227 @@ pub(crate) struct UnderscoreLiteralSuffix { #[primary_span] pub span: Span, } + +#[derive(Diagnostic)] +#[diag(parse_expect_label_found_ident)] +pub(crate) struct ExpectedLabelFoundIdent { + #[primary_span] + pub span: Span, + #[suggestion(code = "'", applicability = "machine-applicable", style = "short")] + pub start: Span, +} + +#[derive(Diagnostic)] +#[diag(parse_inappropriate_default)] +#[note] +pub(crate) struct InappropriateDefault { + #[primary_span] + #[label] + pub span: Span, + pub article: &'static str, + pub descr: &'static str, +} + +#[derive(Diagnostic)] +#[diag(parse_recover_import_as_use)] +pub(crate) struct RecoverImportAsUse { + #[primary_span] + #[suggestion(code = "use", applicability = "machine-applicable", style = "short")] + pub span: Span, + pub token_name: String, +} + +#[derive(Diagnostic)] +#[diag(parse_single_colon_import_path)] +#[note] +pub(crate) struct SingleColonImportPath { + #[primary_span] + #[suggestion(code = "::", applicability = "machine-applicable", style = "short")] + pub span: Span, +} + +#[derive(Diagnostic)] +#[diag(parse_bad_item_kind)] +#[help] +pub(crate) struct BadItemKind { + #[primary_span] + pub span: Span, + pub descr: &'static str, + pub ctx: &'static str, +} + +#[derive(Diagnostic)] +#[diag(parse_single_colon_struct_type)] +pub(crate) struct SingleColonStructType { + #[primary_span] + #[suggestion(code = "::", applicability = "maybe-incorrect", style = "verbose")] + pub span: Span, +} + +#[derive(Diagnostic)] +#[diag(parse_equals_struct_default)] +pub(crate) struct EqualsStructDefault { + #[primary_span] + #[suggestion(code = "", applicability = "machine-applicable")] + pub span: Span, +} + +#[derive(Diagnostic)] +#[diag(parse_macro_rules_missing_bang)] +pub(crate) struct MacroRulesMissingBang { + #[primary_span] + pub span: Span, + #[suggestion(code = "!", applicability = "machine-applicable", style = "verbose")] + pub hi: Span, +} + +#[derive(Diagnostic)] +#[diag(parse_macro_name_remove_bang)] +pub(crate) struct MacroNameRemoveBang { + #[primary_span] + #[suggestion(code = "", applicability = "machine-applicable")] + pub span: Span, +} + +#[derive(Diagnostic)] +#[diag(parse_macro_rules_visibility)] +pub(crate) struct MacroRulesVisibility<'a> { + #[primary_span] + #[suggestion(code = "#[macro_export]", applicability = "maybe-incorrect")] + pub span: Span, + pub vis: &'a str, +} + +#[derive(Diagnostic)] +#[diag(parse_macro_invocation_visibility)] +#[help] +pub(crate) struct MacroInvocationVisibility<'a> { + #[primary_span] + #[suggestion(code = "", applicability = "machine-applicable")] + pub span: Span, + pub vis: &'a str, +} + +#[derive(Diagnostic)] +#[diag(parse_nested_adt)] +pub(crate) struct NestedAdt<'a> { + #[primary_span] + pub span: Span, + #[suggestion(code = "", applicability = "maybe-incorrect")] + pub item: Span, + pub keyword: &'a str, + pub kw_str: Cow<'a, str>, +} + +#[derive(Diagnostic)] +#[diag(parse_function_body_equals_expr)] +pub(crate) struct FunctionBodyEqualsExpr { + #[primary_span] + pub span: Span, + #[subdiagnostic] + pub sugg: FunctionBodyEqualsExprSugg, +} + +#[derive(Subdiagnostic)] +#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")] +pub(crate) struct FunctionBodyEqualsExprSugg { + #[suggestion_part(code = "{{")] + pub eq: Span, + #[suggestion_part(code = " }}")] + pub semi: Span, +} + +#[derive(Diagnostic)] +#[diag(parse_box_not_pat)] +pub(crate) struct BoxNotPat { + #[primary_span] + pub span: Span, + #[note] + pub kw: Span, + #[suggestion(code = "r#", applicability = "maybe-incorrect", style = "verbose")] + pub lo: Span, + pub descr: String, +} + +#[derive(Diagnostic)] +#[diag(parse_unmatched_angle)] +pub(crate) struct UnmatchedAngle { + #[primary_span] + #[suggestion(code = "", applicability = "machine-applicable")] + pub span: Span, + pub plural: bool, +} + +#[derive(Diagnostic)] +#[diag(parse_missing_plus_in_bounds)] +pub(crate) struct MissingPlusBounds { + #[primary_span] + pub span: Span, + #[suggestion(code = " +", applicability = "maybe-incorrect", style = "verbose")] + pub hi: Span, + pub sym: Symbol, +} + +#[derive(Diagnostic)] +#[diag(parse_incorrect_braces_trait_bounds)] +pub(crate) struct IncorrectBracesTraitBounds { + #[primary_span] + pub span: Vec<Span>, + #[subdiagnostic] + pub sugg: IncorrectBracesTraitBoundsSugg, +} + +#[derive(Subdiagnostic)] +#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")] +pub(crate) struct IncorrectBracesTraitBoundsSugg { + #[suggestion_part(code = " ")] + pub l: Span, + #[suggestion_part(code = "")] + pub r: Span, +} + +#[derive(Diagnostic)] +#[diag(parse_kw_bad_case)] +pub(crate) struct KwBadCase<'a> { + #[primary_span] + #[suggestion(code = "{kw}", applicability = "machine-applicable")] + pub span: Span, + pub kw: &'a str, +} + +#[derive(Diagnostic)] +#[diag(parse_meta_bad_delim)] +pub(crate) struct MetaBadDelim { + #[primary_span] + pub span: Span, + #[subdiagnostic] + pub sugg: MetaBadDelimSugg, +} + +#[derive(Diagnostic)] +#[diag(parse_cfg_attr_bad_delim)] +pub(crate) struct CfgAttrBadDelim { + #[primary_span] + pub span: Span, + #[subdiagnostic] + pub sugg: MetaBadDelimSugg, +} + +#[derive(Subdiagnostic)] +#[multipart_suggestion(parse_meta_bad_delim_suggestion, applicability = "machine-applicable")] +pub(crate) struct MetaBadDelimSugg { + #[suggestion_part(code = "(")] + pub open: Span, + #[suggestion_part(code = ")")] + pub close: Span, +} + +#[derive(Diagnostic)] +#[diag(parse_malformed_cfg_attr)] +#[note] +pub(crate) struct MalformedCfgAttr { + #[primary_span] + #[suggestion(code = "{sugg}")] + pub span: Span, + pub sugg: &'static str, +} diff --git a/compiler/rustc_parse/src/lib.rs b/compiler/rustc_parse/src/lib.rs index 507f6e4182e..61a1cdeb540 100644 --- a/compiler/rustc_parse/src/lib.rs +++ b/compiler/rustc_parse/src/lib.rs @@ -18,7 +18,7 @@ use rustc_ast::tokenstream::TokenStream; use rustc_ast::{AttrItem, Attribute, MetaItem}; use rustc_ast_pretty::pprust; use rustc_data_structures::sync::Lrc; -use rustc_errors::{Applicability, Diagnostic, FatalError, Level, PResult}; +use rustc_errors::{Diagnostic, FatalError, Level, PResult}; use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage}; use rustc_fluent_macro::fluent_messages; use rustc_session::parse::ParseSess; @@ -243,8 +243,7 @@ pub fn parse_cfg_attr( ast::AttrArgs::Delimited(ast::DelimArgs { dspan, delim, ref tokens }) if !tokens.is_empty() => { - let msg = "wrong `cfg_attr` delimiters"; - crate::validate_attr::check_meta_bad_delim(parse_sess, dspan, delim, msg); + crate::validate_attr::check_cfg_attr_bad_delim(parse_sess, dspan, delim); match parse_in(parse_sess, tokens.clone(), "`cfg_attr` input", |p| p.parse_cfg_attr()) { Ok(r) => return Some(r), Err(mut e) => { @@ -265,15 +264,5 @@ const CFG_ATTR_NOTE_REF: &str = "for more information, visit \ #the-cfg_attr-attribute>"; fn error_malformed_cfg_attr_missing(span: Span, parse_sess: &ParseSess) { - parse_sess - .span_diagnostic - .struct_span_err(span, "malformed `cfg_attr` attribute input") - .span_suggestion( - span, - "missing condition and attribute", - CFG_ATTR_GRAMMAR_HELP, - Applicability::HasPlaceholders, - ) - .note(CFG_ATTR_NOTE_REF) - .emit(); + parse_sess.emit_err(errors::MalformedCfgAttr { span, sugg: CFG_ATTR_GRAMMAR_HELP }); } diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index 03c82fbd329..27de9bd7268 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -3151,14 +3151,10 @@ impl<'a> Parser<'a> { let label = format!("'{}", ident.name); let ident = Ident { name: Symbol::intern(&label), span: ident.span }; - self.struct_span_err(ident.span, "expected a label, found an identifier") - .span_suggestion( - ident.span, - "labels start with a tick", - label, - Applicability::MachineApplicable, - ) - .emit(); + self.sess.emit_err(errors::ExpectedLabelFoundIdent { + span: ident.span, + start: ident.span.shrink_to_lo(), + }); Label { ident } } diff --git a/compiler/rustc_parse/src/parser/item.rs b/compiler/rustc_parse/src/parser/item.rs index f5fef6ad019..9e003bfc097 100644 --- a/compiler/rustc_parse/src/parser/item.rs +++ b/compiler/rustc_parse/src/parser/item.rs @@ -181,11 +181,11 @@ impl<'a> Parser<'a> { /// Error in-case `default` was parsed in an in-appropriate context. fn error_on_unconsumed_default(&self, def: Defaultness, kind: &ItemKind) { if let Defaultness::Default(span) = def { - let msg = format!("{} {} cannot be `default`", kind.article(), kind.descr()); - self.struct_span_err(span, &msg) - .span_label(span, "`default` because of this") - .note("only associated `fn`, `const`, and `type` items can be `default`") - .emit(); + self.sess.emit_err(errors::InappropriateDefault { + span, + article: kind.article(), + descr: kind.descr(), + }); } } @@ -310,14 +310,7 @@ impl<'a> Parser<'a> { self.bump(); match self.parse_use_item() { Ok(u) => { - self.struct_span_err(span, format!("expected item, found {token_name}")) - .span_suggestion_short( - span, - "items are imported using the `use` keyword", - "use", - Applicability::MachineApplicable, - ) - .emit(); + self.sess.emit_err(errors::RecoverImportAsUse { span, token_name }); Ok(Some(u)) } Err(e) => { @@ -963,15 +956,8 @@ impl<'a> Parser<'a> { } else { // Recover from using a colon as path separator. while self.eat_noexpect(&token::Colon) { - self.struct_span_err(self.prev_token.span, "expected `::`, found `:`") - .span_suggestion_short( - self.prev_token.span, - "use double colon", - "::", - Applicability::MachineApplicable, - ) - .note_once("import paths are delimited using `::`") - .emit(); + self.sess + .emit_err(errors::SingleColonImportPath { span: self.prev_token.span }); // We parse the rest of the path and append it to the original prefix. self.parse_path_segments(&mut prefix.segments, PathStyle::Mod, None)?; @@ -1134,13 +1120,11 @@ impl<'a> Parser<'a> { )) } - fn error_bad_item_kind<T>(&self, span: Span, kind: &ItemKind, ctx: &str) -> Option<T> { + fn error_bad_item_kind<T>(&self, span: Span, kind: &ItemKind, ctx: &'static str) -> Option<T> { // FIXME(#100717): needs variant for each `ItemKind` (instead of using `ItemKind::descr()`) let span = self.sess.source_map().guess_head_span(span); let descr = kind.descr(); - self.struct_span_err(span, &format!("{descr} is not supported in {ctx}")) - .help(&format!("consider moving the {descr} out to a nearby module scope")) - .emit(); + self.sess.emit_err(errors::BadItemKind { span, descr, ctx }); None } @@ -1713,27 +1697,13 @@ impl<'a> Parser<'a> { self.expect_field_ty_separator()?; let ty = self.parse_ty()?; if self.token.kind == token::Colon && self.look_ahead(1, |tok| tok.kind != token::Colon) { - self.struct_span_err(self.token.span, "found single colon in a struct field type path") - .span_suggestion_verbose( - self.token.span, - "write a path separator here", - "::", - Applicability::MaybeIncorrect, - ) - .emit(); + self.sess.emit_err(errors::SingleColonStructType { span: self.token.span }); } if self.token.kind == token::Eq { self.bump(); let const_expr = self.parse_expr_anon_const()?; let sp = ty.span.shrink_to_hi().to(const_expr.value.span); - self.struct_span_err(sp, "default values on `struct` fields aren't supported") - .span_suggestion( - sp, - "remove this unsupported default value", - "", - Applicability::MachineApplicable, - ) - .emit(); + self.sess.emit_err(errors::EqualsStructDefault { span: sp }); } Ok(FieldDef { span: lo.to(self.prev_token.span), @@ -1871,14 +1841,10 @@ impl<'a> Parser<'a> { return IsMacroRulesItem::Yes { has_bang: true }; } else if self.look_ahead(1, |t| (t.is_ident())) { // macro_rules foo - self.struct_span_err(macro_rules_span, "expected `!` after `macro_rules`") - .span_suggestion( - macro_rules_span, - "add a `!`", - "macro_rules!", - Applicability::MachineApplicable, - ) - .emit(); + self.sess.emit_err(errors::MacroRulesMissingBang { + span: macro_rules_span, + hi: macro_rules_span.shrink_to_hi(), + }); return IsMacroRulesItem::Yes { has_bang: false }; } @@ -1903,9 +1869,7 @@ impl<'a> Parser<'a> { if self.eat(&token::Not) { // Handle macro_rules! foo! let span = self.prev_token.span; - self.struct_span_err(span, "macro names aren't followed by a `!`") - .span_suggestion(span, "remove the `!`", "", Applicability::MachineApplicable) - .emit(); + self.sess.emit_err(errors::MacroNameRemoveBang { span }); } let body = self.parse_delim_args()?; @@ -1925,25 +1889,9 @@ impl<'a> Parser<'a> { let vstr = pprust::vis_to_string(vis); let vstr = vstr.trim_end(); if macro_rules { - let msg = format!("can't qualify macro_rules invocation with `{vstr}`"); - self.struct_span_err(vis.span, &msg) - .span_suggestion( - vis.span, - "try exporting the macro", - "#[macro_export]", - Applicability::MaybeIncorrect, // speculative - ) - .emit(); + self.sess.emit_err(errors::MacroRulesVisibility { span: vis.span, vis: vstr }); } else { - self.struct_span_err(vis.span, "can't qualify macro invocation with `pub`") - .span_suggestion( - vis.span, - "remove the visibility", - "", - Applicability::MachineApplicable, - ) - .help(&format!("try adjusting the macro to put `{vstr}` inside the invocation")) - .emit(); + self.sess.emit_err(errors::MacroInvocationVisibility { span: vis.span, vis: vstr }); } } @@ -1989,18 +1937,12 @@ impl<'a> Parser<'a> { let kw_token = self.token.clone(); let kw_str = pprust::token_to_string(&kw_token); let item = self.parse_item(ForceCollect::No)?; - - self.struct_span_err( - kw_token.span, - &format!("`{kw_str}` definition cannot be nested inside `{keyword}`"), - ) - .span_suggestion( - item.unwrap().span, - &format!("consider creating a new `{kw_str}` definition instead of nesting"), - "", - Applicability::MaybeIncorrect, - ) - .emit(); + self.sess.emit_err(errors::NestedAdt { + span: kw_token.span, + item: item.unwrap().span, + kw_str, + keyword: keyword.as_str(), + }); // We successfully parsed the item but we must inform the caller about nested problem. return Ok(false); } @@ -2139,13 +2081,10 @@ impl<'a> Parser<'a> { let _ = self.parse_expr()?; self.expect_semi()?; // `;` let span = eq_sp.to(self.prev_token.span); - self.struct_span_err(span, "function body cannot be `= expression;`") - .multipart_suggestion( - "surround the expression with `{` and `}` instead of `=` and `;`", - vec![(eq_sp, "{".to_string()), (self.prev_token.span, " }".to_string())], - Applicability::MachineApplicable, - ) - .emit(); + self.sess.emit_err(errors::FunctionBodyEqualsExpr { + span, + sugg: errors::FunctionBodyEqualsExprSugg { eq: eq_sp, semi: self.prev_token.span }, + }); (AttrVec::new(), Some(self.mk_block_err(span))) } else { let expected = if req_body { diff --git a/compiler/rustc_parse/src/parser/mod.rs b/compiler/rustc_parse/src/parser/mod.rs index aa57b804779..1c34e491f21 100644 --- a/compiler/rustc_parse/src/parser/mod.rs +++ b/compiler/rustc_parse/src/parser/mod.rs @@ -43,7 +43,7 @@ use thin_vec::ThinVec; use tracing::debug; use crate::errors::{ - IncorrectVisibilityRestriction, MismatchedClosingDelimiter, NonStringAbiLiteral, + self, IncorrectVisibilityRestriction, MismatchedClosingDelimiter, NonStringAbiLiteral, }; bitflags::bitflags! { @@ -663,15 +663,10 @@ impl<'a> Parser<'a> { if case == Case::Insensitive && let Some((ident, /* is_raw */ false)) = self.token.ident() && ident.as_str().to_lowercase() == kw.as_str().to_lowercase() { - self - .struct_span_err(ident.span, format!("keyword `{kw}` is written in a wrong case")) - .span_suggestion( - ident.span, - "write it in the correct case", - kw, - Applicability::MachineApplicable - ).emit(); - + self.sess.emit_err(errors::KwBadCase { + span: ident.span, + kw: kw.as_str() + }); self.bump(); return true; } diff --git a/compiler/rustc_parse/src/parser/pat.rs b/compiler/rustc_parse/src/parser/pat.rs index 2246002f5d3..f2422fe307c 100644 --- a/compiler/rustc_parse/src/parser/pat.rs +++ b/compiler/rustc_parse/src/parser/pat.rs @@ -1,6 +1,6 @@ use super::{ForceCollect, Parser, PathStyle, TrailingToken}; use crate::errors::{ - AmbiguousRangePattern, DotDotDotForRemainingFields, DotDotDotRangeToPatternNotAllowed, + self, AmbiguousRangePattern, DotDotDotForRemainingFields, DotDotDotRangeToPatternNotAllowed, DotDotDotRestPattern, EnumPatternInsteadOfIdentifier, ExpectedBindingLeftOfAt, ExpectedCommaAfterPatternField, InclusiveRangeExtraEquals, InclusiveRangeMatchArrow, InclusiveRangeNoEnd, InvalidMutInPattern, PatternOnWrongSideOfAt, RefMutOrderIncorrect, @@ -908,18 +908,13 @@ impl<'a> Parser<'a> { let box_span = self.prev_token.span; if self.isnt_pattern_start() { - self.struct_span_err( - self.token.span, - format!("expected pattern, found {}", super::token_descr(&self.token)), - ) - .span_note(box_span, "`box` is a reserved keyword") - .span_suggestion_verbose( - box_span.shrink_to_lo(), - "escape `box` to use it as an identifier", - "r#", - Applicability::MaybeIncorrect, - ) - .emit(); + let descr = super::token_descr(&self.token); + self.sess.emit_err(errors::BoxNotPat { + span: self.token.span, + kw: box_span, + lo: box_span.shrink_to_lo(), + descr, + }); // We cannot use `parse_pat_ident()` since it will complain `box` // is not an identifier. diff --git a/compiler/rustc_parse/src/parser/path.rs b/compiler/rustc_parse/src/parser/path.rs index 6cceb47ff83..ae73760bd8c 100644 --- a/compiler/rustc_parse/src/parser/path.rs +++ b/compiler/rustc_parse/src/parser/path.rs @@ -8,7 +8,7 @@ use rustc_ast::{ AssocConstraintKind, BlockCheckMode, GenericArg, GenericArgs, Generics, ParenthesizedArgs, Path, PathSegment, QSelf, }; -use rustc_errors::{pluralize, Applicability, PResult}; +use rustc_errors::{Applicability, PResult}; use rustc_span::source_map::{BytePos, Span}; use rustc_span::symbol::{kw, sym, Ident}; use std::mem; @@ -464,23 +464,10 @@ impl<'a> Parser<'a> { // i.e. no multibyte characters, in this range. let span = lo.with_hi(lo.lo() + BytePos(snapshot.unmatched_angle_bracket_count)); - self.struct_span_err( + self.sess.emit_err(errors::UnmatchedAngle { span, - &format!( - "unmatched angle bracket{}", - pluralize!(snapshot.unmatched_angle_bracket_count) - ), - ) - .span_suggestion( - span, - &format!( - "remove extra angle bracket{}", - pluralize!(snapshot.unmatched_angle_bracket_count) - ), - "", - Applicability::MachineApplicable, - ) - .emit(); + plural: snapshot.unmatched_angle_bracket_count > 1, + }); // Try again without unmatched angle bracket characters. self.parse_angle_args(ty_generics) diff --git a/compiler/rustc_parse/src/parser/ty.rs b/compiler/rustc_parse/src/parser/ty.rs index f5f6788362b..3ceb3a2bef1 100644 --- a/compiler/rustc_parse/src/parser/ty.rs +++ b/compiler/rustc_parse/src/parser/ty.rs @@ -588,20 +588,14 @@ impl<'a> Parser<'a> { // Always parse bounds greedily for better error recovery. if self.token.is_lifetime() { self.look_ahead(1, |t| { - if let token::Ident(symname, _) = t.kind { + if let token::Ident(sym, _) = t.kind { // parse pattern with "'a Sized" we're supposed to give suggestion like // "'a + Sized" - self.struct_span_err( - self.token.span, - &format!("expected `+` between lifetime and {}", symname), - ) - .span_suggestion_verbose( - self.token.span.shrink_to_hi(), - "add `+`", - " +", - Applicability::MaybeIncorrect, - ) - .emit(); + self.sess.emit_err(errors::MissingPlusBounds { + span: self.token.span, + hi: self.token.span.shrink_to_hi(), + sym, + }); } }) } @@ -926,14 +920,10 @@ impl<'a> Parser<'a> { self.parse_remaining_bounds(bounds, true)?; self.expect(&token::CloseDelim(Delimiter::Parenthesis))?; let sp = vec![lo, self.prev_token.span]; - let sugg = vec![(lo, String::from(" ")), (self.prev_token.span, String::new())]; - self.struct_span_err(sp, "incorrect braces around trait bounds") - .multipart_suggestion( - "remove the parentheses", - sugg, - Applicability::MachineApplicable, - ) - .emit(); + self.sess.emit_err(errors::IncorrectBracesTraitBounds { + span: sp, + sugg: errors::IncorrectBracesTraitBoundsSugg { l: lo, r: self.prev_token.span }, + }); } else { self.expect(&token::CloseDelim(Delimiter::Parenthesis))?; } diff --git a/compiler/rustc_parse/src/validate_attr.rs b/compiler/rustc_parse/src/validate_attr.rs index 2f397e303e5..815b7c85679 100644 --- a/compiler/rustc_parse/src/validate_attr.rs +++ b/compiler/rustc_parse/src/validate_attr.rs @@ -1,6 +1,6 @@ //! Meta-syntax validation logic of attributes for post-expansion. -use crate::parse_in; +use crate::{errors, parse_in}; use rustc_ast::tokenstream::DelimSpan; use rustc_ast::MetaItemKind; @@ -45,7 +45,7 @@ pub fn parse_meta<'a>(sess: &'a ParseSess, attr: &Attribute) -> PResult<'a, Meta kind: match &item.args { AttrArgs::Empty => MetaItemKind::Word, AttrArgs::Delimited(DelimArgs { dspan, delim, tokens }) => { - check_meta_bad_delim(sess, *dspan, *delim, "wrong meta list delimiters"); + check_meta_bad_delim(sess, *dspan, *delim); let nmis = parse_in(sess, tokens.clone(), "meta list", |p| p.parse_meta_seq_top())?; MetaItemKind::List(nmis) } @@ -84,19 +84,24 @@ pub fn parse_meta<'a>(sess: &'a ParseSess, attr: &Attribute) -> PResult<'a, Meta }) } -pub fn check_meta_bad_delim(sess: &ParseSess, span: DelimSpan, delim: MacDelimiter, msg: &str) { +pub fn check_meta_bad_delim(sess: &ParseSess, span: DelimSpan, delim: MacDelimiter) { if let ast::MacDelimiter::Parenthesis = delim { return; } + sess.emit_err(errors::MetaBadDelim { + span: span.entire(), + sugg: errors::MetaBadDelimSugg { open: span.open, close: span.close }, + }); +} - sess.span_diagnostic - .struct_span_err(span.entire(), msg) - .multipart_suggestion( - "the delimiters should be `(` and `)`", - vec![(span.open, "(".to_string()), (span.close, ")".to_string())], - Applicability::MachineApplicable, - ) - .emit(); +pub fn check_cfg_attr_bad_delim(sess: &ParseSess, span: DelimSpan, delim: MacDelimiter) { + if let ast::MacDelimiter::Parenthesis = delim { + return; + } + sess.emit_err(errors::CfgAttrBadDelim { + span: span.entire(), + sugg: errors::MetaBadDelimSugg { open: span.open, close: span.close }, + }); } /// Checks that the given meta-item is compatible with this `AttributeTemplate`. diff --git a/compiler/rustc_query_system/src/dep_graph/graph.rs b/compiler/rustc_query_system/src/dep_graph/graph.rs index b9922b26afc..8de4d06fe78 100644 --- a/compiler/rustc_query_system/src/dep_graph/graph.rs +++ b/compiler/rustc_query_system/src/dep_graph/graph.rs @@ -354,24 +354,20 @@ impl<K: DepKind> DepGraphData<K> { - dep-node: {key:?}" ); - let task_deps = if cx.dep_context().is_eval_always(key.kind) { - None + let with_deps = |task_deps| K::with_deps(task_deps, || task(cx, arg)); + let (result, edges) = if cx.dep_context().is_eval_always(key.kind) { + (with_deps(TaskDepsRef::EvalAlways), smallvec![]) } else { - Some(Lock::new(TaskDeps { + let task_deps = Lock::new(TaskDeps { #[cfg(debug_assertions)] node: Some(key), reads: SmallVec::new(), read_set: Default::default(), phantom_data: PhantomData, - })) + }); + (with_deps(TaskDepsRef::Allow(&task_deps)), task_deps.into_inner().reads) }; - let task_deps_ref = - task_deps.as_ref().map(TaskDepsRef::Allow).unwrap_or(TaskDepsRef::EvalAlways); - - let result = K::with_deps(task_deps_ref, || task(cx, arg)); - let edges = task_deps.map_or_else(|| smallvec![], |lock| lock.into_inner().reads); - let dcx = cx.dep_context(); let hashing_timer = dcx.profiler().incr_result_hashing(); let current_fingerprint = @@ -1236,76 +1232,48 @@ impl<K: DepKind> CurrentDepGraph<K> { self.node_intern_event_id.map(|eid| profiler.generic_activity_with_event_id(eid)); if let Some(prev_index) = prev_graph.node_to_index_opt(&key) { + let get_dep_node_index = |color, fingerprint| { + if print_status { + eprintln!("[task::{color:}] {key:?}"); + } + + let mut prev_index_to_index = self.prev_index_to_index.lock(); + + let dep_node_index = match prev_index_to_index[prev_index] { + Some(dep_node_index) => dep_node_index, + None => { + let dep_node_index = + self.encoder.borrow().send(profiler, key, fingerprint, edges); + prev_index_to_index[prev_index] = Some(dep_node_index); + dep_node_index + } + }; + + #[cfg(debug_assertions)] + self.record_edge(dep_node_index, key, fingerprint); + + dep_node_index + }; + // Determine the color and index of the new `DepNode`. if let Some(fingerprint) = fingerprint { if fingerprint == prev_graph.fingerprint_by_index(prev_index) { - if print_status { - eprintln!("[task::green] {key:?}"); - } - // This is a green node: it existed in the previous compilation, // its query was re-executed, and it has the same result as before. - let mut prev_index_to_index = self.prev_index_to_index.lock(); - - let dep_node_index = match prev_index_to_index[prev_index] { - Some(dep_node_index) => dep_node_index, - None => { - let dep_node_index = - self.encoder.borrow().send(profiler, key, fingerprint, edges); - prev_index_to_index[prev_index] = Some(dep_node_index); - dep_node_index - } - }; - - #[cfg(debug_assertions)] - self.record_edge(dep_node_index, key, fingerprint); + let dep_node_index = get_dep_node_index("green", fingerprint); (dep_node_index, Some((prev_index, DepNodeColor::Green(dep_node_index)))) } else { - if print_status { - eprintln!("[task::red] {key:?}"); - } - // This is a red node: it existed in the previous compilation, its query // was re-executed, but it has a different result from before. - let mut prev_index_to_index = self.prev_index_to_index.lock(); - - let dep_node_index = match prev_index_to_index[prev_index] { - Some(dep_node_index) => dep_node_index, - None => { - let dep_node_index = - self.encoder.borrow().send(profiler, key, fingerprint, edges); - prev_index_to_index[prev_index] = Some(dep_node_index); - dep_node_index - } - }; - - #[cfg(debug_assertions)] - self.record_edge(dep_node_index, key, fingerprint); + let dep_node_index = get_dep_node_index("red", fingerprint); (dep_node_index, Some((prev_index, DepNodeColor::Red))) } } else { - if print_status { - eprintln!("[task::unknown] {key:?}"); - } - // This is a red node, effectively: it existed in the previous compilation // session, its query was re-executed, but it doesn't compute a result hash // (i.e. it represents a `no_hash` query), so we have no way of determining // whether or not the result was the same as before. - let mut prev_index_to_index = self.prev_index_to_index.lock(); - - let dep_node_index = match prev_index_to_index[prev_index] { - Some(dep_node_index) => dep_node_index, - None => { - let dep_node_index = - self.encoder.borrow().send(profiler, key, Fingerprint::ZERO, edges); - prev_index_to_index[prev_index] = Some(dep_node_index); - dep_node_index - } - }; - - #[cfg(debug_assertions)] - self.record_edge(dep_node_index, key, Fingerprint::ZERO); + let dep_node_index = get_dep_node_index("unknown", Fingerprint::ZERO); (dep_node_index, Some((prev_index, DepNodeColor::Red))) } } else { diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index a97857e05e2..5c02e7193a2 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -859,13 +859,9 @@ impl<'a: 'ast, 'ast, 'tcx> Visitor<'ast> for LateResolutionVisitor<'a, '_, 'ast, sig.decl.inputs.iter().map(|Param { ty, .. }| (None, &**ty)), &sig.decl.output, ); - - this.record_lifetime_params_for_async( - fn_id, - sig.header.asyncness.opt_return_id(), - ); }, ); + self.record_lifetime_params_for_async(fn_id, sig.header.asyncness.opt_return_id()); return; } FnKind::Fn(..) => { diff --git a/compiler/rustc_serialize/src/opaque.rs b/compiler/rustc_serialize/src/opaque.rs index b7976ea3b1c..0f6e4b329b8 100644 --- a/compiler/rustc_serialize/src/opaque.rs +++ b/compiler/rustc_serialize/src/opaque.rs @@ -51,13 +51,6 @@ macro_rules! write_leb128 { }}; } -/// A byte that [cannot occur in UTF8 sequences][utf8]. Used to mark the end of a string. -/// This way we can skip validation and still be relatively sure that deserialization -/// did not desynchronize. -/// -/// [utf8]: https://en.wikipedia.org/w/index.php?title=UTF-8&oldid=1058865525#Codepage_layout -const STR_SENTINEL: u8 = 0xC1; - impl Encoder for MemEncoder { #[inline] fn emit_usize(&mut self, v: usize) { @@ -115,28 +108,6 @@ impl Encoder for MemEncoder { } #[inline] - fn emit_i8(&mut self, v: i8) { - self.emit_u8(v as u8); - } - - #[inline] - fn emit_bool(&mut self, v: bool) { - self.emit_u8(if v { 1 } else { 0 }); - } - - #[inline] - fn emit_char(&mut self, v: char) { - self.emit_u32(v as u32); - } - - #[inline] - fn emit_str(&mut self, v: &str) { - self.emit_usize(v.len()); - self.emit_raw_bytes(v.as_bytes()); - self.emit_u8(STR_SENTINEL); - } - - #[inline] fn emit_raw_bytes(&mut self, s: &[u8]) { self.data.extend_from_slice(s); } @@ -481,28 +452,6 @@ impl Encoder for FileEncoder { } #[inline] - fn emit_i8(&mut self, v: i8) { - self.emit_u8(v as u8); - } - - #[inline] - fn emit_bool(&mut self, v: bool) { - self.emit_u8(if v { 1 } else { 0 }); - } - - #[inline] - fn emit_char(&mut self, v: char) { - self.emit_u32(v as u32); - } - - #[inline] - fn emit_str(&mut self, v: &str) { - self.emit_usize(v.len()); - self.emit_raw_bytes(v.as_bytes()); - self.emit_u8(STR_SENTINEL); - } - - #[inline] fn emit_raw_bytes(&mut self, s: &[u8]) { self.write_all(s); } @@ -556,39 +505,10 @@ impl<'a> MemDecoder<'a> { } #[inline] - fn read_byte(&mut self) -> u8 { - if self.current == self.end { - Self::decoder_exhausted(); - } - // SAFETY: This type guarantees current <= end, and we just checked current == end. - unsafe { - let byte = *self.current; - self.current = self.current.add(1); - byte - } - } - - #[inline] fn read_array<const N: usize>(&mut self) -> [u8; N] { self.read_raw_bytes(N).try_into().unwrap() } - // The trait method doesn't have a lifetime parameter, and we need a version of this - // that definitely returns a slice based on the underlying storage as opposed to - // the Decoder itself in order to implement read_str efficiently. - #[inline] - fn read_raw_bytes_inherent(&mut self, bytes: usize) -> &'a [u8] { - if bytes > self.remaining() { - Self::decoder_exhausted(); - } - // SAFETY: We just checked if this range is in-bounds above. - unsafe { - let slice = std::slice::from_raw_parts(self.current, bytes); - self.current = self.current.add(bytes); - slice - } - } - /// While we could manually expose manipulation of the decoder position, /// all current users of that method would need to reset the position later, /// incurring the bounds check of set_position twice. @@ -653,7 +573,15 @@ impl<'a> Decoder for MemDecoder<'a> { #[inline] fn read_u8(&mut self) -> u8 { - self.read_byte() + if self.current == self.end { + Self::decoder_exhausted(); + } + // SAFETY: This type guarantees current <= end, and we just checked current == end. + unsafe { + let byte = *self.current; + self.current = self.current.add(1); + byte + } } #[inline] @@ -682,38 +610,21 @@ impl<'a> Decoder for MemDecoder<'a> { } #[inline] - fn read_i8(&mut self) -> i8 { - self.read_byte() as i8 - } - - #[inline] fn read_isize(&mut self) -> isize { read_leb128!(self, read_isize_leb128) } #[inline] - fn read_bool(&mut self) -> bool { - let value = self.read_u8(); - value != 0 - } - - #[inline] - fn read_char(&mut self) -> char { - let bits = self.read_u32(); - std::char::from_u32(bits).unwrap() - } - - #[inline] - fn read_str(&mut self) -> &str { - let len = self.read_usize(); - let bytes = self.read_raw_bytes_inherent(len + 1); - assert!(bytes[len] == STR_SENTINEL); - unsafe { std::str::from_utf8_unchecked(&bytes[..len]) } - } - - #[inline] - fn read_raw_bytes(&mut self, bytes: usize) -> &[u8] { - self.read_raw_bytes_inherent(bytes) + fn read_raw_bytes(&mut self, bytes: usize) -> &'a [u8] { + if bytes > self.remaining() { + Self::decoder_exhausted(); + } + // SAFETY: We just checked if this range is in-bounds above. + unsafe { + let slice = std::slice::from_raw_parts(self.current, bytes); + self.current = self.current.add(bytes); + slice + } } #[inline] @@ -787,12 +698,7 @@ impl Encodable<FileEncoder> for IntEncodedWithFixedSize { impl<'a> Decodable<MemDecoder<'a>> for IntEncodedWithFixedSize { #[inline] fn decode(decoder: &mut MemDecoder<'a>) -> IntEncodedWithFixedSize { - let _start_pos = decoder.position(); - let bytes = decoder.read_raw_bytes(IntEncodedWithFixedSize::ENCODED_SIZE); - let value = u64::from_le_bytes(bytes.try_into().unwrap()); - let _end_pos = decoder.position(); - debug_assert_eq!((_end_pos - _start_pos), IntEncodedWithFixedSize::ENCODED_SIZE); - - IntEncodedWithFixedSize(value) + let bytes = decoder.read_array::<{ IntEncodedWithFixedSize::ENCODED_SIZE }>(); + IntEncodedWithFixedSize(u64::from_le_bytes(bytes)) } } diff --git a/compiler/rustc_serialize/src/serialize.rs b/compiler/rustc_serialize/src/serialize.rs index a6d9c7b7d42..e1bc598736f 100644 --- a/compiler/rustc_serialize/src/serialize.rs +++ b/compiler/rustc_serialize/src/serialize.rs @@ -12,6 +12,13 @@ use std::path; use std::rc::Rc; use std::sync::Arc; +/// A byte that [cannot occur in UTF8 sequences][utf8]. Used to mark the end of a string. +/// This way we can skip validation and still be relatively sure that deserialization +/// did not desynchronize. +/// +/// [utf8]: https://en.wikipedia.org/w/index.php?title=UTF-8&oldid=1058865525#Codepage_layout +const STR_SENTINEL: u8 = 0xC1; + /// A note about error handling. /// /// Encoders may be fallible, but in practice failure is rare and there are so @@ -40,10 +47,29 @@ pub trait Encoder { fn emit_i64(&mut self, v: i64); fn emit_i32(&mut self, v: i32); fn emit_i16(&mut self, v: i16); - fn emit_i8(&mut self, v: i8); - fn emit_bool(&mut self, v: bool); - fn emit_char(&mut self, v: char); - fn emit_str(&mut self, v: &str); + + #[inline] + fn emit_i8(&mut self, v: i8) { + self.emit_u8(v as u8); + } + + #[inline] + fn emit_bool(&mut self, v: bool) { + self.emit_u8(if v { 1 } else { 0 }); + } + + #[inline] + fn emit_char(&mut self, v: char) { + self.emit_u32(v as u32); + } + + #[inline] + fn emit_str(&mut self, v: &str) { + self.emit_usize(v.len()); + self.emit_raw_bytes(v.as_bytes()); + self.emit_u8(STR_SENTINEL); + } + fn emit_raw_bytes(&mut self, s: &[u8]); fn emit_enum_variant<F>(&mut self, v_id: usize, f: F) @@ -79,11 +105,38 @@ pub trait Decoder { fn read_i64(&mut self) -> i64; fn read_i32(&mut self) -> i32; fn read_i16(&mut self) -> i16; - fn read_i8(&mut self) -> i8; - fn read_bool(&mut self) -> bool; - fn read_char(&mut self) -> char; - fn read_str(&mut self) -> &str; + + #[inline] + fn read_i8(&mut self) -> i8 { + self.read_u8() as i8 + } + + #[inline] + fn read_bool(&mut self) -> bool { + let value = self.read_u8(); + value != 0 + } + + #[inline] + fn read_char(&mut self) -> char { + let bits = self.read_u32(); + std::char::from_u32(bits).unwrap() + } + + #[inline] + fn read_str(&mut self) -> &str { + let len = self.read_usize(); + let bytes = self.read_raw_bytes(len + 1); + assert!(bytes[len] == STR_SENTINEL); + unsafe { std::str::from_utf8_unchecked(&bytes[..len]) } + } + fn read_raw_bytes(&mut self, len: usize) -> &[u8]; + + // Although there is an `emit_enum_variant` method in `Encoder`, the code + // patterns in decoding are different enough to encoding that there is no + // need for a corresponding `read_enum_variant` method here. + fn peek_byte(&self) -> u8; fn position(&self) -> usize; } diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs index d9f03fe1407..775fad1a365 100644 --- a/compiler/rustc_session/src/options.rs +++ b/compiler/rustc_session/src/options.rs @@ -917,7 +917,7 @@ mod parse { } } - let mut options = slot.get_or_insert_default(); + let options = slot.get_or_insert_default(); let mut seen_always = false; let mut seen_never = false; let mut seen_ignore_loops = false; diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index abf19c30e3d..c2619956219 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -129,8 +129,7 @@ symbols! { Any, Arc, Argument, - ArgumentV1, - ArgumentV1Methods, + ArgumentMethods, Arguments, AsMut, AsRef, diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt.rs index bd52957d162..63a73f8d50d 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt.rs @@ -3,7 +3,8 @@ use rustc_infer::infer::at::ToTrace; use rustc_infer::infer::canonical::CanonicalVarValues; use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; use rustc_infer::infer::{ - DefineOpaqueTypes, InferCtxt, InferOk, LateBoundRegionConversionTime, TyCtxtInferExt, + DefineOpaqueTypes, InferCtxt, InferOk, LateBoundRegionConversionTime, RegionVariableOrigin, + TyCtxtInferExt, }; use rustc_infer::traits::query::NoSolution; use rustc_infer::traits::ObligationCause; @@ -223,18 +224,20 @@ impl<'a, 'tcx> EvalCtxt<'a, 'tcx> { { debug!("rerunning goal to check result is stable"); let (_orig_values, canonical_goal) = self.canonicalize_goal(goal); - let canonical_response = + let new_canonical_response = EvalCtxt::evaluate_canonical_goal(self.tcx(), self.search_graph, canonical_goal)?; - if !canonical_response.value.var_values.is_identity() { + if !new_canonical_response.value.var_values.is_identity() { bug!( "unstable result: re-canonicalized goal={canonical_goal:#?} \ - response={canonical_response:#?}" + first_response={canonical_response:#?} \ + second_response={new_canonical_response:#?}" ); } - if certainty != canonical_response.value.certainty { + if certainty != new_canonical_response.value.certainty { bug!( "unstable certainty: {certainty:#?} re-canonicalized goal={canonical_goal:#?} \ - response={canonical_response:#?}" + first_response={canonical_response:#?} \ + second_response={new_canonical_response:#?}" ); } } @@ -434,6 +437,10 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { }) } + pub(super) fn next_region_infer(&self) -> ty::Region<'tcx> { + self.infcx.next_region_var(RegionVariableOrigin::MiscVariable(DUMMY_SP)) + } + pub(super) fn next_const_infer(&self, ty: Ty<'tcx>) -> ty::Const<'tcx> { self.infcx.next_const_var( ty, diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs index 226d29687e3..67ad7fb4bd2 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs @@ -16,7 +16,7 @@ use rustc_infer::infer::canonical::query_response::make_query_region_constraints use rustc_infer::infer::canonical::CanonicalVarValues; use rustc_infer::infer::canonical::{CanonicalExt, QueryRegionConstraints}; use rustc_middle::traits::query::NoSolution; -use rustc_middle::traits::solve::{ExternalConstraints, ExternalConstraintsData}; +use rustc_middle::traits::solve::{ExternalConstraints, ExternalConstraintsData, MaybeCause}; use rustc_middle::ty::{self, BoundVar, GenericArgKind}; use rustc_span::DUMMY_SP; use std::iter; @@ -60,9 +60,27 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { let certainty = certainty.unify_with(goals_certainty); - let external_constraints = self.compute_external_query_constraints()?; + let response = match certainty { + Certainty::Yes | Certainty::Maybe(MaybeCause::Ambiguity) => { + let external_constraints = self.compute_external_query_constraints()?; + Response { var_values: self.var_values, external_constraints, certainty } + } + Certainty::Maybe(MaybeCause::Overflow) => { + // If we have overflow, it's probable that we're substituting a type + // into itself infinitely and any partial substitutions in the query + // response are probably not useful anyways, so just return an empty + // query response. + // + // This may prevent us from potentially useful inference, e.g. + // 2 candidates, one ambiguous and one overflow, which both + // have the same inference constraints. + // + // Changing this to retain some constraints in the future + // won't be a breaking change, so this is good enough for now. + return Ok(self.make_ambiguous_response_no_constraints(MaybeCause::Overflow)); + } + }; - let response = Response { var_values: self.var_values, external_constraints, certainty }; let canonical = Canonicalizer::canonicalize( self.infcx, CanonicalizeMode::Response { max_input_universe: self.max_input_universe }, @@ -72,6 +90,40 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { Ok(canonical) } + /// Constructs a totally unconstrained, ambiguous response to a goal. + /// + /// Take care when using this, since often it's useful to respond with + /// ambiguity but return constrained variables to guide inference. + pub(in crate::solve) fn make_ambiguous_response_no_constraints( + &self, + maybe_cause: MaybeCause, + ) -> CanonicalResponse<'tcx> { + let unconstrained_response = Response { + var_values: CanonicalVarValues { + var_values: self.tcx().mk_substs_from_iter(self.var_values.var_values.iter().map( + |arg| -> ty::GenericArg<'tcx> { + match arg.unpack() { + GenericArgKind::Lifetime(_) => self.next_region_infer().into(), + GenericArgKind::Type(_) => self.next_ty_infer().into(), + GenericArgKind::Const(ct) => self.next_const_infer(ct.ty()).into(), + } + }, + )), + }, + external_constraints: self + .tcx() + .mk_external_constraints(ExternalConstraintsData::default()), + certainty: Certainty::Maybe(maybe_cause), + }; + + Canonicalizer::canonicalize( + self.infcx, + CanonicalizeMode::Response { max_input_universe: self.max_input_universe }, + &mut Default::default(), + unconstrained_response, + ) + } + #[instrument(level = "debug", skip(self), ret)] fn compute_external_query_constraints(&self) -> Result<ExternalConstraints<'tcx>, NoSolution> { // Cannot use `take_registered_region_obligations` as we may compute the response diff --git a/compiler/rustc_trait_selection/src/solve/mod.rs b/compiler/rustc_trait_selection/src/solve/mod.rs index 19bcbd46144..d94679fef28 100644 --- a/compiler/rustc_trait_selection/src/solve/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/mod.rs @@ -340,17 +340,17 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { if responses.is_empty() { return Err(NoSolution); } - let certainty = responses.iter().fold(Certainty::AMBIGUOUS, |certainty, response| { - certainty.unify_with(response.value.certainty) - }); - - let response = self.evaluate_added_goals_and_make_canonical_response(certainty); - if let Ok(response) = response { - assert!(response.has_no_inference_or_external_constraints()); - Ok(response) - } else { - bug!("failed to make floundered response: {responses:?}"); - } + + let Certainty::Maybe(maybe_cause) = responses.iter().fold( + Certainty::AMBIGUOUS, + |certainty, response| { + certainty.unify_with(response.value.certainty) + }, + ) else { + bug!("expected flounder response to be ambiguous") + }; + + Ok(self.make_ambiguous_response_no_constraints(maybe_cause)) } } diff --git a/compiler/rustc_transmute/src/lib.rs b/compiler/rustc_transmute/src/lib.rs index 8be02c1d988..77c0526e3aa 100644 --- a/compiler/rustc_transmute/src/lib.rs +++ b/compiler/rustc_transmute/src/lib.rs @@ -62,7 +62,7 @@ mod rustc { use rustc_hir::lang_items::LangItem; use rustc_infer::infer::InferCtxt; - use rustc_macros::{TypeFoldable, TypeVisitable}; + use rustc_macros::TypeVisitable; use rustc_middle::traits::ObligationCause; use rustc_middle::ty::Const; use rustc_middle::ty::ParamEnv; @@ -70,7 +70,7 @@ mod rustc { use rustc_middle::ty::TyCtxt; /// The source and destination types of a transmutation. - #[derive(TypeFoldable, TypeVisitable, Debug, Clone, Copy)] + #[derive(TypeVisitable, Debug, Clone, Copy)] pub struct Types<'tcx> { /// The source type. pub src: Ty<'tcx>, diff --git a/compiler/rustc_type_ir/src/structural_impls.rs b/compiler/rustc_type_ir/src/structural_impls.rs index 54c1ab5a275..c9675f93f95 100644 --- a/compiler/rustc_type_ir/src/structural_impls.rs +++ b/compiler/rustc_type_ir/src/structural_impls.rs @@ -6,11 +6,10 @@ use crate::fold::{FallibleTypeFolder, TypeFoldable}; use crate::visit::{TypeVisitable, TypeVisitor}; use crate::Interner; use rustc_data_structures::functor::IdFunctor; +use rustc_data_structures::sync::Lrc; use rustc_index::{Idx, IndexVec}; use std::ops::ControlFlow; -use std::rc::Rc; -use std::sync::Arc; /////////////////////////////////////////////////////////////////////////// // Atomic structs @@ -106,25 +105,13 @@ impl<I: Interner, T: TypeVisitable<I>, E: TypeVisitable<I>> TypeVisitable<I> for } } -impl<I: Interner, T: TypeFoldable<I>> TypeFoldable<I> for Rc<T> { +impl<I: Interner, T: TypeFoldable<I>> TypeFoldable<I> for Lrc<T> { fn try_fold_with<F: FallibleTypeFolder<I>>(self, folder: &mut F) -> Result<Self, F::Error> { self.try_map_id(|value| value.try_fold_with(folder)) } } -impl<I: Interner, T: TypeVisitable<I>> TypeVisitable<I> for Rc<T> { - fn visit_with<V: TypeVisitor<I>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { - (**self).visit_with(visitor) - } -} - -impl<I: Interner, T: TypeFoldable<I>> TypeFoldable<I> for Arc<T> { - fn try_fold_with<F: FallibleTypeFolder<I>>(self, folder: &mut F) -> Result<Self, F::Error> { - self.try_map_id(|value| value.try_fold_with(folder)) - } -} - -impl<I: Interner, T: TypeVisitable<I>> TypeVisitable<I> for Arc<T> { +impl<I: Interner, T: TypeVisitable<I>> TypeVisitable<I> for Lrc<T> { fn visit_with<V: TypeVisitor<I>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { (**self).visit_with(visitor) } @@ -154,19 +141,11 @@ impl<I: Interner, T: TypeVisitable<I>> TypeVisitable<I> for Vec<T> { } } -impl<I: Interner, T: TypeVisitable<I>> TypeVisitable<I> for &[T] { - fn visit_with<V: TypeVisitor<I>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { - self.iter().try_for_each(|t| t.visit_with(visitor)) - } -} - -impl<I: Interner, T: TypeFoldable<I>> TypeFoldable<I> for Box<[T]> { - fn try_fold_with<F: FallibleTypeFolder<I>>(self, folder: &mut F) -> Result<Self, F::Error> { - self.try_map_id(|t| t.try_fold_with(folder)) - } -} +// `TypeFoldable` isn't impl'd for `&[T]`. It doesn't make sense in the general +// case, because we can't return a new slice. But note that there are a couple +// of trivial impls of `TypeFoldable` for specific slice types elsewhere. -impl<I: Interner, T: TypeVisitable<I>> TypeVisitable<I> for Box<[T]> { +impl<I: Interner, T: TypeVisitable<I>> TypeVisitable<I> for &[T] { fn visit_with<V: TypeVisitor<I>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { self.iter().try_for_each(|t| t.visit_with(visitor)) } diff --git a/library/alloc/src/collections/binary_heap/mod.rs b/library/alloc/src/collections/binary_heap/mod.rs index 8aa4d342e6e..2c089bb3149 100644 --- a/library/alloc/src/collections/binary_heap/mod.rs +++ b/library/alloc/src/collections/binary_heap/mod.rs @@ -853,7 +853,7 @@ impl<T: Ord> BinaryHeap<T> { /// /// assert_eq!(heap.into_sorted_vec(), [-10, 2, 4]) /// ``` - #[stable(feature = "binary_heap_retain", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "binary_heap_retain", since = "1.70.0")] pub fn retain<F>(&mut self, mut f: F) where F: FnMut(&T) -> bool, @@ -1463,7 +1463,7 @@ impl<T> ExactSizeIterator for IntoIter<T> { #[stable(feature = "fused", since = "1.26.0")] impl<T> FusedIterator for IntoIter<T> {} -#[stable(feature = "default_iters", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters", since = "1.70.0")] impl<T> Default for IntoIter<T> { /// Creates an empty `binary_heap::IntoIter`. /// diff --git a/library/alloc/src/collections/btree/map.rs b/library/alloc/src/collections/btree/map.rs index abd5f17137e..efbbc1c2331 100644 --- a/library/alloc/src/collections/btree/map.rs +++ b/library/alloc/src/collections/btree/map.rs @@ -362,7 +362,7 @@ impl<K: fmt::Debug, V: fmt::Debug> fmt::Debug for Iter<'_, K, V> { } } -#[stable(feature = "default_iters", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters", since = "1.70.0")] impl<'a, K: 'a, V: 'a> Default for Iter<'a, K, V> { /// Creates an empty `btree_map::Iter`. /// @@ -400,7 +400,7 @@ impl<K: fmt::Debug, V: fmt::Debug> fmt::Debug for IterMut<'_, K, V> { } } -#[stable(feature = "default_iters", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters", since = "1.70.0")] impl<'a, K: 'a, V: 'a> Default for IterMut<'a, K, V> { /// Creates an empty `btree_map::IterMut`. /// @@ -448,7 +448,7 @@ impl<K: Debug, V: Debug, A: Allocator + Clone> Debug for IntoIter<K, V, A> { } } -#[stable(feature = "default_iters", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters", since = "1.70.0")] impl<K, V, A> Default for IntoIter<K, V, A> where A: Allocator + Default + Clone, @@ -1543,11 +1543,17 @@ impl<'a, K: 'a, V: 'a> Iterator for Iter<'a, K, V> { self.next_back() } - fn min(mut self) -> Option<(&'a K, &'a V)> { + fn min(mut self) -> Option<(&'a K, &'a V)> + where + (&'a K, &'a V): Ord, + { self.next() } - fn max(mut self) -> Option<(&'a K, &'a V)> { + fn max(mut self) -> Option<(&'a K, &'a V)> + where + (&'a K, &'a V): Ord, + { self.next_back() } } @@ -1612,11 +1618,17 @@ impl<'a, K, V> Iterator for IterMut<'a, K, V> { self.next_back() } - fn min(mut self) -> Option<(&'a K, &'a mut V)> { + fn min(mut self) -> Option<(&'a K, &'a mut V)> + where + (&'a K, &'a mut V): Ord, + { self.next() } - fn max(mut self) -> Option<(&'a K, &'a mut V)> { + fn max(mut self) -> Option<(&'a K, &'a mut V)> + where + (&'a K, &'a mut V): Ord, + { self.next_back() } } @@ -1779,11 +1791,17 @@ impl<'a, K, V> Iterator for Keys<'a, K, V> { self.next_back() } - fn min(mut self) -> Option<&'a K> { + fn min(mut self) -> Option<&'a K> + where + &'a K: Ord, + { self.next() } - fn max(mut self) -> Option<&'a K> { + fn max(mut self) -> Option<&'a K> + where + &'a K: Ord, + { self.next_back() } } @@ -1812,7 +1830,7 @@ impl<K, V> Clone for Keys<'_, K, V> { } } -#[stable(feature = "default_iters", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters", since = "1.70.0")] impl<K, V> Default for Keys<'_, K, V> { /// Creates an empty `btree_map::Keys`. /// @@ -1867,7 +1885,7 @@ impl<K, V> Clone for Values<'_, K, V> { } } -#[stable(feature = "default_iters", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters", since = "1.70.0")] impl<K, V> Default for Values<'_, K, V> { /// Creates an empty `btree_map::Values`. /// @@ -2008,16 +2026,22 @@ impl<'a, K, V> Iterator for Range<'a, K, V> { self.next_back() } - fn min(mut self) -> Option<(&'a K, &'a V)> { + fn min(mut self) -> Option<(&'a K, &'a V)> + where + (&'a K, &'a V): Ord, + { self.next() } - fn max(mut self) -> Option<(&'a K, &'a V)> { + fn max(mut self) -> Option<(&'a K, &'a V)> + where + (&'a K, &'a V): Ord, + { self.next_back() } } -#[stable(feature = "default_iters", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters", since = "1.70.0")] impl<K, V> Default for Range<'_, K, V> { /// Creates an empty `btree_map::Range`. /// @@ -2081,11 +2105,17 @@ impl<K, V, A: Allocator + Clone> Iterator for IntoKeys<K, V, A> { self.next_back() } - fn min(mut self) -> Option<K> { + fn min(mut self) -> Option<K> + where + K: Ord, + { self.next() } - fn max(mut self) -> Option<K> { + fn max(mut self) -> Option<K> + where + K: Ord, + { self.next_back() } } @@ -2107,7 +2137,7 @@ impl<K, V, A: Allocator + Clone> ExactSizeIterator for IntoKeys<K, V, A> { #[stable(feature = "map_into_keys_values", since = "1.54.0")] impl<K, V, A: Allocator + Clone> FusedIterator for IntoKeys<K, V, A> {} -#[stable(feature = "default_iters", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters", since = "1.70.0")] impl<K, V, A> Default for IntoKeys<K, V, A> where A: Allocator + Default + Clone, @@ -2158,7 +2188,7 @@ impl<K, V, A: Allocator + Clone> ExactSizeIterator for IntoValues<K, V, A> { #[stable(feature = "map_into_keys_values", since = "1.54.0")] impl<K, V, A: Allocator + Clone> FusedIterator for IntoValues<K, V, A> {} -#[stable(feature = "default_iters", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters", since = "1.70.0")] impl<K, V, A> Default for IntoValues<K, V, A> where A: Allocator + Default + Clone, @@ -2204,11 +2234,17 @@ impl<'a, K, V> Iterator for RangeMut<'a, K, V> { self.next_back() } - fn min(mut self) -> Option<(&'a K, &'a mut V)> { + fn min(mut self) -> Option<(&'a K, &'a mut V)> + where + (&'a K, &'a mut V): Ord, + { self.next() } - fn max(mut self) -> Option<(&'a K, &'a mut V)> { + fn max(mut self) -> Option<(&'a K, &'a mut V)> + where + (&'a K, &'a mut V): Ord, + { self.next_back() } } diff --git a/library/alloc/src/collections/btree/set.rs b/library/alloc/src/collections/btree/set.rs index 232a017314e..940fa30afb8 100644 --- a/library/alloc/src/collections/btree/set.rs +++ b/library/alloc/src/collections/btree/set.rs @@ -1501,11 +1501,17 @@ impl<'a, T> Iterator for Iter<'a, T> { self.next_back() } - fn min(mut self) -> Option<&'a T> { + fn min(mut self) -> Option<&'a T> + where + &'a T: Ord, + { self.next() } - fn max(mut self) -> Option<&'a T> { + fn max(mut self) -> Option<&'a T> + where + &'a T: Ord, + { self.next_back() } } @@ -1538,7 +1544,7 @@ impl<T, A: Allocator + Clone> Iterator for IntoIter<T, A> { } } -#[stable(feature = "default_iters", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters", since = "1.70.0")] impl<T> Default for Iter<'_, T> { /// Creates an empty `btree_set::Iter`. /// @@ -1568,7 +1574,7 @@ impl<T, A: Allocator + Clone> ExactSizeIterator for IntoIter<T, A> { #[stable(feature = "fused", since = "1.26.0")] impl<T, A: Allocator + Clone> FusedIterator for IntoIter<T, A> {} -#[stable(feature = "default_iters", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters", since = "1.70.0")] impl<T, A> Default for IntoIter<T, A> where A: Allocator + Default + Clone, @@ -1604,11 +1610,17 @@ impl<'a, T> Iterator for Range<'a, T> { self.next_back() } - fn min(mut self) -> Option<&'a T> { + fn min(mut self) -> Option<&'a T> + where + &'a T: Ord, + { self.next() } - fn max(mut self) -> Option<&'a T> { + fn max(mut self) -> Option<&'a T> + where + &'a T: Ord, + { self.next_back() } } @@ -1623,7 +1635,7 @@ impl<'a, T> DoubleEndedIterator for Range<'a, T> { #[stable(feature = "fused", since = "1.26.0")] impl<T> FusedIterator for Range<'_, T> {} -#[stable(feature = "default_iters", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters", since = "1.70.0")] impl<T> Default for Range<'_, T> { /// Creates an empty `btree_set::Range`. /// diff --git a/library/alloc/src/collections/linked_list.rs b/library/alloc/src/collections/linked_list.rs index 0cb7e82beb0..4cd34ac2fa7 100644 --- a/library/alloc/src/collections/linked_list.rs +++ b/library/alloc/src/collections/linked_list.rs @@ -1137,7 +1137,7 @@ impl<T> ExactSizeIterator for Iter<'_, T> {} #[stable(feature = "fused", since = "1.26.0")] impl<T> FusedIterator for Iter<'_, T> {} -#[stable(feature = "default_iters", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters", since = "1.70.0")] impl<T> Default for Iter<'_, T> { /// Creates an empty `linked_list::Iter`. /// @@ -1205,7 +1205,7 @@ impl<T> ExactSizeIterator for IterMut<'_, T> {} #[stable(feature = "fused", since = "1.26.0")] impl<T> FusedIterator for IterMut<'_, T> {} -#[stable(feature = "default_iters", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters", since = "1.70.0")] impl<T> Default for IterMut<'_, T> { fn default() -> Self { IterMut { head: None, tail: None, len: 0, marker: Default::default() } @@ -1915,7 +1915,7 @@ impl<T, A: Allocator> ExactSizeIterator for IntoIter<T, A> {} #[stable(feature = "fused", since = "1.26.0")] impl<T, A: Allocator> FusedIterator for IntoIter<T, A> {} -#[stable(feature = "default_iters", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters", since = "1.70.0")] impl<T> Default for IntoIter<T> { /// Creates an empty `linked_list::IntoIter`. /// diff --git a/library/alloc/src/collections/vec_deque/mod.rs b/library/alloc/src/collections/vec_deque/mod.rs index 8916b42eda0..896da37f94c 100644 --- a/library/alloc/src/collections/vec_deque/mod.rs +++ b/library/alloc/src/collections/vec_deque/mod.rs @@ -2815,7 +2815,7 @@ impl<'a, T: 'a + Copy, A: Allocator> Extend<&'a T> for VecDeque<T, A> { } #[inline] - fn extend_one(&mut self, &elem: &T) { + fn extend_one(&mut self, &elem: &'a T) { self.push_back(elem); } diff --git a/library/alloc/src/rc.rs b/library/alloc/src/rc.rs index cf93a40496f..ba035fb062a 100644 --- a/library/alloc/src/rc.rs +++ b/library/alloc/src/rc.rs @@ -693,7 +693,7 @@ impl<T> Rc<T> { /// This is equivalent to `Rc::try_unwrap(this).ok()`. (Note that these are not equivalent for /// [`Arc`](crate::sync::Arc), due to race conditions that do not apply to `Rc`.) #[inline] - #[stable(feature = "rc_into_inner", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "rc_into_inner", since = "1.70.0")] pub fn into_inner(this: Self) -> Option<T> { Rc::try_unwrap(this).ok() } diff --git a/library/alloc/src/sync.rs b/library/alloc/src/sync.rs index 5bfe537bc83..24849d52dbb 100644 --- a/library/alloc/src/sync.rs +++ b/library/alloc/src/sync.rs @@ -793,7 +793,7 @@ impl<T> Arc<T> { /// y_thread.join().unwrap(); /// ``` #[inline] - #[stable(feature = "arc_into_inner", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "arc_into_inner", since = "1.70.0")] pub fn into_inner(this: Self) -> Option<T> { // Make sure that the ordinary `Drop` implementation isn’t called as well let mut this = mem::ManuallyDrop::new(this); diff --git a/library/alloc/src/vec/into_iter.rs b/library/alloc/src/vec/into_iter.rs index 02faf8e6389..b2db2fdfd18 100644 --- a/library/alloc/src/vec/into_iter.rs +++ b/library/alloc/src/vec/into_iter.rs @@ -342,7 +342,7 @@ impl<T, A: Allocator> FusedIterator for IntoIter<T, A> {} #[unstable(feature = "trusted_len", issue = "37572")] unsafe impl<T, A: Allocator> TrustedLen for IntoIter<T, A> {} -#[stable(feature = "default_iters", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters", since = "1.70.0")] impl<T, A> Default for IntoIter<T, A> where A: Allocator + Default, diff --git a/library/core/src/array/mod.rs b/library/core/src/array/mod.rs index 98c87b2c393..940558974e6 100644 --- a/library/core/src/array/mod.rs +++ b/library/core/src/array/mod.rs @@ -248,7 +248,7 @@ where impl<'a, T, const N: usize> TryFrom<&'a [T]> for &'a [T; N] { type Error = TryFromSliceError; - fn try_from(slice: &[T]) -> Result<&[T; N], TryFromSliceError> { + fn try_from(slice: &'a [T]) -> Result<&'a [T; N], TryFromSliceError> { if slice.len() == N { let ptr = slice.as_ptr() as *const [T; N]; // SAFETY: ok because we just checked that the length fits @@ -275,7 +275,7 @@ impl<'a, T, const N: usize> TryFrom<&'a [T]> for &'a [T; N] { impl<'a, T, const N: usize> TryFrom<&'a mut [T]> for &'a mut [T; N] { type Error = TryFromSliceError; - fn try_from(slice: &mut [T]) -> Result<&mut [T; N], TryFromSliceError> { + fn try_from(slice: &'a mut [T]) -> Result<&'a mut [T; N], TryFromSliceError> { if slice.len() == N { let ptr = slice.as_mut_ptr() as *mut [T; N]; // SAFETY: ok because we just checked that the length fits diff --git a/library/core/src/cell.rs b/library/core/src/cell.rs index bcca8d924cd..f69a1f94e8f 100644 --- a/library/core/src/cell.rs +++ b/library/core/src/cell.rs @@ -247,7 +247,7 @@ mod once; #[unstable(feature = "lazy_cell", issue = "109736")] pub use lazy::LazyCell; -#[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "once_cell", since = "1.70.0")] pub use once::OnceCell; /// A mutable memory location. diff --git a/library/core/src/cell/once.rs b/library/core/src/cell/once.rs index a7cd59e50fc..5f06a7b0795 100644 --- a/library/core/src/cell/once.rs +++ b/library/core/src/cell/once.rs @@ -29,7 +29,7 @@ use crate::mem; /// assert_eq!(value, "Hello, World!"); /// assert!(cell.get().is_some()); /// ``` -#[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "once_cell", since = "1.70.0")] pub struct OnceCell<T> { // Invariant: written to at most once. inner: UnsafeCell<Option<T>>, @@ -39,8 +39,8 @@ impl<T> OnceCell<T> { /// Creates a new empty cell. #[inline] #[must_use] - #[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "once_cell", since = "1.70.0")] + #[rustc_const_stable(feature = "once_cell", since = "1.70.0")] pub const fn new() -> OnceCell<T> { OnceCell { inner: UnsafeCell::new(None) } } @@ -49,7 +49,7 @@ impl<T> OnceCell<T> { /// /// Returns `None` if the cell is empty. #[inline] - #[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "once_cell", since = "1.70.0")] pub fn get(&self) -> Option<&T> { // SAFETY: Safe due to `inner`'s invariant unsafe { &*self.inner.get() }.as_ref() @@ -59,7 +59,7 @@ impl<T> OnceCell<T> { /// /// Returns `None` if the cell is empty. #[inline] - #[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "once_cell", since = "1.70.0")] pub fn get_mut(&mut self) -> Option<&mut T> { self.inner.get_mut().as_mut() } @@ -85,7 +85,7 @@ impl<T> OnceCell<T> { /// assert!(cell.get().is_some()); /// ``` #[inline] - #[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "once_cell", since = "1.70.0")] pub fn set(&self, value: T) -> Result<(), T> { // SAFETY: Safe because we cannot have overlapping mutable borrows let slot = unsafe { &*self.inner.get() }; @@ -125,7 +125,7 @@ impl<T> OnceCell<T> { /// assert_eq!(value, &92); /// ``` #[inline] - #[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "once_cell", since = "1.70.0")] pub fn get_or_init<F>(&self, f: F) -> &T where F: FnOnce() -> T, @@ -206,7 +206,7 @@ impl<T> OnceCell<T> { /// assert_eq!(cell.into_inner(), Some("hello".to_string())); /// ``` #[inline] - #[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "once_cell", since = "1.70.0")] pub fn into_inner(self) -> Option<T> { // Because `into_inner` takes `self` by value, the compiler statically verifies // that it is not currently borrowed. So it is safe to move out `Option<T>`. @@ -233,13 +233,13 @@ impl<T> OnceCell<T> { /// assert_eq!(cell.get(), None); /// ``` #[inline] - #[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "once_cell", since = "1.70.0")] pub fn take(&mut self) -> Option<T> { mem::take(self).into_inner() } } -#[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "once_cell", since = "1.70.0")] impl<T> Default for OnceCell<T> { #[inline] fn default() -> Self { @@ -247,7 +247,7 @@ impl<T> Default for OnceCell<T> { } } -#[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "once_cell", since = "1.70.0")] impl<T: fmt::Debug> fmt::Debug for OnceCell<T> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { match self.get() { @@ -257,7 +257,7 @@ impl<T: fmt::Debug> fmt::Debug for OnceCell<T> { } } -#[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "once_cell", since = "1.70.0")] impl<T: Clone> Clone for OnceCell<T> { #[inline] fn clone(&self) -> OnceCell<T> { @@ -272,7 +272,7 @@ impl<T: Clone> Clone for OnceCell<T> { } } -#[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "once_cell", since = "1.70.0")] impl<T: PartialEq> PartialEq for OnceCell<T> { #[inline] fn eq(&self, other: &Self) -> bool { @@ -280,10 +280,10 @@ impl<T: PartialEq> PartialEq for OnceCell<T> { } } -#[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "once_cell", since = "1.70.0")] impl<T: Eq> Eq for OnceCell<T> {} -#[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "once_cell", since = "1.70.0")] impl<T> From<T> for OnceCell<T> { /// Creates a new `OnceCell<T>` which already contains the given `value`. #[inline] @@ -293,5 +293,5 @@ impl<T> From<T> for OnceCell<T> { } // Just like for `Cell<T>` this isn't needed, but results in nicer error messages. -#[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "once_cell", since = "1.70.0")] impl<T> !Sync for OnceCell<T> {} diff --git a/library/core/src/fmt/mod.rs b/library/core/src/fmt/mod.rs index a901ae72669..e193332f155 100644 --- a/library/core/src/fmt/mod.rs +++ b/library/core/src/fmt/mod.rs @@ -251,145 +251,48 @@ impl<'a> Formatter<'a> { } } -// NB. Argument is essentially an optimized partially applied formatting function, -// equivalent to `exists T.(&T, fn(&T, &mut Formatter<'_>) -> Result`. - -extern "C" { - type Opaque; -} - -/// This struct represents the generic "argument" which is taken by the Xprintf -/// family of functions. It contains a function to format the given value. At -/// compile time it is ensured that the function and the value have the correct -/// types, and then this struct is used to canonicalize arguments to one type. -#[lang = "format_argument"] +/// This structure represents a safely precompiled version of a format string +/// and its arguments. This cannot be generated at runtime because it cannot +/// safely be done, so no constructors are given and the fields are private +/// to prevent modification. +/// +/// The [`format_args!`] macro will safely create an instance of this structure. +/// The macro validates the format string at compile-time so usage of the +/// [`write()`] and [`format()`] functions can be safely performed. +/// +/// You can use the `Arguments<'a>` that [`format_args!`] returns in `Debug` +/// and `Display` contexts as seen below. The example also shows that `Debug` +/// and `Display` format to the same thing: the interpolated format string +/// in `format_args!`. +/// +/// ```rust +/// let debug = format!("{:?}", format_args!("{} foo {:?}", 1, 2)); +/// let display = format!("{}", format_args!("{} foo {:?}", 1, 2)); +/// assert_eq!("1 foo 2", display); +/// assert_eq!(display, debug); +/// ``` +/// +/// [`format()`]: ../../std/fmt/fn.format.html +#[lang = "format_arguments"] +#[stable(feature = "rust1", since = "1.0.0")] #[derive(Copy, Clone)] -#[allow(missing_debug_implementations)] -#[unstable(feature = "fmt_internals", reason = "internal to format_args!", issue = "none")] -#[doc(hidden)] -pub struct ArgumentV1<'a> { - value: &'a Opaque, - formatter: fn(&Opaque, &mut Formatter<'_>) -> Result, -} - -/// This struct represents the unsafety of constructing an `Arguments`. -/// It exists, rather than an unsafe function, in order to simplify the expansion -/// of `format_args!(..)` and reduce the scope of the `unsafe` block. -#[lang = "format_unsafe_arg"] -#[allow(missing_debug_implementations)] -#[doc(hidden)] -#[unstable(feature = "fmt_internals", reason = "internal to format_args!", issue = "none")] -pub struct UnsafeArg { - _private: (), -} - -impl UnsafeArg { - /// See documentation where `UnsafeArg` is required to know when it is safe to - /// create and use `UnsafeArg`. - #[doc(hidden)] - #[unstable(feature = "fmt_internals", reason = "internal to format_args!", issue = "none")] - #[inline(always)] - pub unsafe fn new() -> Self { - Self { _private: () } - } -} - -// This guarantees a single stable value for the function pointer associated with -// indices/counts in the formatting infrastructure. -// -// Note that a function defined as such would not be correct as functions are -// always tagged unnamed_addr with the current lowering to LLVM IR, so their -// address is not considered important to LLVM and as such the as_usize cast -// could have been miscompiled. In practice, we never call as_usize on non-usize -// containing data (as a matter of static generation of the formatting -// arguments), so this is merely an additional check. -// -// We primarily want to ensure that the function pointer at `USIZE_MARKER` has -// an address corresponding *only* to functions that also take `&usize` as their -// first argument. The read_volatile here ensures that we can safely ready out a -// usize from the passed reference and that this address does not point at a -// non-usize taking function. -#[unstable(feature = "fmt_internals", reason = "internal to format_args!", issue = "none")] -static USIZE_MARKER: fn(&usize, &mut Formatter<'_>) -> Result = |ptr, _| { - // SAFETY: ptr is a reference - let _v: usize = unsafe { crate::ptr::read_volatile(ptr) }; - loop {} -}; - -macro_rules! arg_new { - ($f: ident, $t: ident) => { - #[doc(hidden)] - #[unstable(feature = "fmt_internals", reason = "internal to format_args!", issue = "none")] - #[inline] - pub fn $f<'b, T: $t>(x: &'b T) -> ArgumentV1<'_> { - Self::new(x, $t::fmt) - } - }; -} - -#[rustc_diagnostic_item = "ArgumentV1Methods"] -impl<'a> ArgumentV1<'a> { - #[doc(hidden)] - #[unstable(feature = "fmt_internals", reason = "internal to format_args!", issue = "none")] - #[inline] - pub fn new<'b, T>(x: &'b T, f: fn(&T, &mut Formatter<'_>) -> Result) -> ArgumentV1<'b> { - // SAFETY: `mem::transmute(x)` is safe because - // 1. `&'b T` keeps the lifetime it originated with `'b` - // (so as to not have an unbounded lifetime) - // 2. `&'b T` and `&'b Opaque` have the same memory layout - // (when `T` is `Sized`, as it is here) - // `mem::transmute(f)` is safe since `fn(&T, &mut Formatter<'_>) -> Result` - // and `fn(&Opaque, &mut Formatter<'_>) -> Result` have the same ABI - // (as long as `T` is `Sized`) - unsafe { ArgumentV1 { formatter: mem::transmute(f), value: mem::transmute(x) } } - } - - arg_new!(new_display, Display); - arg_new!(new_debug, Debug); - arg_new!(new_octal, Octal); - arg_new!(new_lower_hex, LowerHex); - arg_new!(new_upper_hex, UpperHex); - arg_new!(new_pointer, Pointer); - arg_new!(new_binary, Binary); - arg_new!(new_lower_exp, LowerExp); - arg_new!(new_upper_exp, UpperExp); +pub struct Arguments<'a> { + // Format string pieces to print. + pieces: &'a [&'static str], - #[doc(hidden)] - #[unstable(feature = "fmt_internals", reason = "internal to format_args!", issue = "none")] - pub fn from_usize(x: &usize) -> ArgumentV1<'_> { - ArgumentV1::new(x, USIZE_MARKER) - } - - fn as_usize(&self) -> Option<usize> { - // We are type punning a bit here: USIZE_MARKER only takes an &usize but - // formatter takes an &Opaque. Rust understandably doesn't think we should compare - // the function pointers if they don't have the same signature, so we cast to - // usizes to tell it that we just want to compare addresses. - if self.formatter as usize == USIZE_MARKER as usize { - // SAFETY: The `formatter` field is only set to USIZE_MARKER if - // the value is a usize, so this is safe - Some(unsafe { *(self.value as *const _ as *const usize) }) - } else { - None - } - } -} + // Placeholder specs, or `None` if all specs are default (as in "{}{}"). + fmt: Option<&'a [rt::Placeholder]>, -// flags available in the v1 format of format_args -#[derive(Copy, Clone)] -enum FlagV1 { - SignPlus, - SignMinus, - Alternate, - SignAwareZeroPad, - DebugLowerHex, - DebugUpperHex, + // Dynamic arguments for interpolation, to be interleaved with string + // pieces. (Every argument is preceded by a string piece.) + args: &'a [rt::Argument<'a>], } +/// Used by the format_args!() macro to create a fmt::Arguments object. +#[doc(hidden)] +#[unstable(feature = "fmt_internals", issue = "none")] impl<'a> Arguments<'a> { - #[doc(hidden)] #[inline] - #[unstable(feature = "fmt_internals", issue = "none")] #[rustc_const_unstable(feature = "const_fmt_arguments_new", issue = "none")] pub const fn new_const(pieces: &'a [&'static str]) -> Self { if pieces.len() > 1 { @@ -400,23 +303,8 @@ impl<'a> Arguments<'a> { /// When using the format_args!() macro, this function is used to generate the /// Arguments structure. - #[cfg(not(bootstrap))] - #[doc(hidden)] - #[inline] - #[unstable(feature = "fmt_internals", reason = "internal to format_args!", issue = "none")] - pub fn new_v1(pieces: &'a [&'static str], args: &'a [ArgumentV1<'a>]) -> Arguments<'a> { - if pieces.len() < args.len() || pieces.len() > args.len() + 1 { - panic!("invalid args"); - } - Arguments { pieces, fmt: None, args } - } - - #[cfg(bootstrap)] - #[doc(hidden)] #[inline] - #[unstable(feature = "fmt_internals", reason = "internal to format_args!", issue = "none")] - #[rustc_const_unstable(feature = "const_fmt_arguments_new", issue = "none")] - pub const fn new_v1(pieces: &'a [&'static str], args: &'a [ArgumentV1<'a>]) -> Arguments<'a> { + pub fn new_v1(pieces: &'a [&'static str], args: &'a [rt::Argument<'a>]) -> Arguments<'a> { if pieces.len() < args.len() || pieces.len() > args.len() + 1 { panic!("invalid args"); } @@ -425,19 +313,17 @@ impl<'a> Arguments<'a> { /// This function is used to specify nonstandard formatting parameters. /// - /// An `UnsafeArg` is required because the following invariants must be held + /// An `rt::UnsafeArg` is required because the following invariants must be held /// in order for this function to be safe: /// 1. The `pieces` slice must be at least as long as `fmt`. /// 2. Every `rt::Placeholder::position` value within `fmt` must be a valid index of `args`. /// 3. Every `rt::Count::Param` within `fmt` must contain a valid index of `args`. - #[doc(hidden)] #[inline] - #[unstable(feature = "fmt_internals", reason = "internal to format_args!", issue = "none")] pub fn new_v1_formatted( pieces: &'a [&'static str], - args: &'a [ArgumentV1<'a>], + args: &'a [rt::Argument<'a>], fmt: &'a [rt::Placeholder], - _unsafe_arg: UnsafeArg, + _unsafe_arg: rt::UnsafeArg, ) -> Arguments<'a> { Arguments { pieces, fmt: Some(fmt), args } } @@ -446,9 +332,7 @@ impl<'a> Arguments<'a> { /// /// This is intended to be used for setting initial `String` capacity /// when using `format!`. Note: this is neither the lower nor upper bound. - #[doc(hidden)] #[inline] - #[unstable(feature = "fmt_internals", reason = "internal to format_args!", issue = "none")] pub fn estimated_capacity(&self) -> usize { let pieces_length: usize = self.pieces.iter().map(|x| x.len()).sum(); @@ -468,43 +352,6 @@ impl<'a> Arguments<'a> { } } -/// This structure represents a safely precompiled version of a format string -/// and its arguments. This cannot be generated at runtime because it cannot -/// safely be done, so no constructors are given and the fields are private -/// to prevent modification. -/// -/// The [`format_args!`] macro will safely create an instance of this structure. -/// The macro validates the format string at compile-time so usage of the -/// [`write()`] and [`format()`] functions can be safely performed. -/// -/// You can use the `Arguments<'a>` that [`format_args!`] returns in `Debug` -/// and `Display` contexts as seen below. The example also shows that `Debug` -/// and `Display` format to the same thing: the interpolated format string -/// in `format_args!`. -/// -/// ```rust -/// let debug = format!("{:?}", format_args!("{} foo {:?}", 1, 2)); -/// let display = format!("{}", format_args!("{} foo {:?}", 1, 2)); -/// assert_eq!("1 foo 2", display); -/// assert_eq!(display, debug); -/// ``` -/// -/// [`format()`]: ../../std/fmt/fn.format.html -#[lang = "format_arguments"] -#[stable(feature = "rust1", since = "1.0.0")] -#[derive(Copy, Clone)] -pub struct Arguments<'a> { - // Format string pieces to print. - pieces: &'a [&'static str], - - // Placeholder specs, or `None` if all specs are default (as in "{}{}"). - fmt: Option<&'a [rt::Placeholder]>, - - // Dynamic arguments for interpolation, to be interleaved with string - // pieces. (Every argument is preceded by a string piece.) - args: &'a [ArgumentV1<'a>], -} - impl<'a> Arguments<'a> { /// Get the formatted string, if it has no arguments to be formatted at runtime. /// @@ -1244,7 +1091,7 @@ pub fn write(output: &mut dyn Write, args: Arguments<'_>) -> Result { if !piece.is_empty() { formatter.buf.write_str(*piece)?; } - (arg.formatter)(arg.value, &mut formatter)?; + arg.fmt(&mut formatter)?; idx += 1; } } @@ -1274,7 +1121,7 @@ pub fn write(output: &mut dyn Write, args: Arguments<'_>) -> Result { Ok(()) } -unsafe fn run(fmt: &mut Formatter<'_>, arg: &rt::Placeholder, args: &[ArgumentV1<'_>]) -> Result { +unsafe fn run(fmt: &mut Formatter<'_>, arg: &rt::Placeholder, args: &[rt::Argument<'_>]) -> Result { fmt.fill = arg.fill; fmt.align = arg.align; fmt.flags = arg.flags; @@ -1292,10 +1139,10 @@ unsafe fn run(fmt: &mut Formatter<'_>, arg: &rt::Placeholder, args: &[ArgumentV1 let value = unsafe { args.get_unchecked(arg.position) }; // Then actually do some printing - (value.formatter)(value.value, fmt) + value.fmt(fmt) } -unsafe fn getcount(args: &[ArgumentV1<'_>], cnt: &rt::Count) -> Option<usize> { +unsafe fn getcount(args: &[rt::Argument<'_>], cnt: &rt::Count) -> Option<usize> { match *cnt { rt::Count::Is(n) => Some(n), rt::Count::Implied => None, @@ -1878,7 +1725,7 @@ impl<'a> Formatter<'a> { #[must_use] #[stable(feature = "fmt_flags", since = "1.5.0")] pub fn sign_plus(&self) -> bool { - self.flags & (1 << FlagV1::SignPlus as u32) != 0 + self.flags & (1 << rt::Flag::SignPlus as u32) != 0 } /// Determines if the `-` flag was specified. @@ -1907,7 +1754,7 @@ impl<'a> Formatter<'a> { #[must_use] #[stable(feature = "fmt_flags", since = "1.5.0")] pub fn sign_minus(&self) -> bool { - self.flags & (1 << FlagV1::SignMinus as u32) != 0 + self.flags & (1 << rt::Flag::SignMinus as u32) != 0 } /// Determines if the `#` flag was specified. @@ -1935,7 +1782,7 @@ impl<'a> Formatter<'a> { #[must_use] #[stable(feature = "fmt_flags", since = "1.5.0")] pub fn alternate(&self) -> bool { - self.flags & (1 << FlagV1::Alternate as u32) != 0 + self.flags & (1 << rt::Flag::Alternate as u32) != 0 } /// Determines if the `0` flag was specified. @@ -1961,17 +1808,17 @@ impl<'a> Formatter<'a> { #[must_use] #[stable(feature = "fmt_flags", since = "1.5.0")] pub fn sign_aware_zero_pad(&self) -> bool { - self.flags & (1 << FlagV1::SignAwareZeroPad as u32) != 0 + self.flags & (1 << rt::Flag::SignAwareZeroPad as u32) != 0 } // FIXME: Decide what public API we want for these two flags. // https://github.com/rust-lang/rust/issues/48584 fn debug_lower_hex(&self) -> bool { - self.flags & (1 << FlagV1::DebugLowerHex as u32) != 0 + self.flags & (1 << rt::Flag::DebugLowerHex as u32) != 0 } fn debug_upper_hex(&self) -> bool { - self.flags & (1 << FlagV1::DebugUpperHex as u32) != 0 + self.flags & (1 << rt::Flag::DebugUpperHex as u32) != 0 } /// Creates a [`DebugStruct`] builder designed to assist with creation of @@ -2531,13 +2378,13 @@ pub(crate) fn pointer_fmt_inner(ptr_addr: usize, f: &mut Formatter<'_>) -> Resul // or not to zero extend, and then unconditionally set it to get the // prefix. if f.alternate() { - f.flags |= 1 << (FlagV1::SignAwareZeroPad as u32); + f.flags |= 1 << (rt::Flag::SignAwareZeroPad as u32); if f.width.is_none() { f.width = Some((usize::BITS / 4) as usize + 2); } } - f.flags |= 1 << (FlagV1::Alternate as u32); + f.flags |= 1 << (rt::Flag::Alternate as u32); let ret = LowerHex::fmt(&ptr_addr, f); diff --git a/library/core/src/fmt/rt.rs b/library/core/src/fmt/rt.rs index 2c1a767691b..0596f6c30ce 100644 --- a/library/core/src/fmt/rt.rs +++ b/library/core/src/fmt/rt.rs @@ -3,6 +3,8 @@ //! These are the lang items used by format_args!(). +use super::*; + #[lang = "format_placeholder"] #[derive(Copy, Clone)] pub struct Placeholder { @@ -28,21 +30,17 @@ impl Placeholder { } } -/// Possible alignments that can be requested as part of a formatting directive. #[lang = "format_alignment"] #[derive(Copy, Clone, PartialEq, Eq)] pub enum Alignment { - /// Indication that contents should be left-aligned. Left, - /// Indication that contents should be right-aligned. Right, - /// Indication that contents should be center-aligned. Center, - /// No alignment was requested. Unknown, } -/// Used by [width](https://doc.rust-lang.org/std/fmt/#width) and [precision](https://doc.rust-lang.org/std/fmt/#precision) specifiers. +/// Used by [width](https://doc.rust-lang.org/std/fmt/#width) +/// and [precision](https://doc.rust-lang.org/std/fmt/#precision) specifiers. #[lang = "format_count"] #[derive(Copy, Clone)] pub enum Count { @@ -53,3 +51,147 @@ pub enum Count { /// Not specified Implied, } + +// This needs to match the order of flags in compiler/rustc_ast_lowering/src/format.rs. +#[derive(Copy, Clone)] +pub(super) enum Flag { + SignPlus, + SignMinus, + Alternate, + SignAwareZeroPad, + DebugLowerHex, + DebugUpperHex, +} + +/// This struct represents the generic "argument" which is taken by format_args!(). +/// It contains a function to format the given value. At compile time it is ensured that the +/// function and the value have the correct types, and then this struct is used to canonicalize +/// arguments to one type. +/// +/// Argument is essentially an optimized partially applied formatting function, +/// equivalent to `exists T.(&T, fn(&T, &mut Formatter<'_>) -> Result`. +#[lang = "format_argument"] +#[derive(Copy, Clone)] +pub struct Argument<'a> { + value: &'a Opaque, + formatter: fn(&Opaque, &mut Formatter<'_>) -> Result, +} + +#[rustc_diagnostic_item = "ArgumentMethods"] +impl<'a> Argument<'a> { + #[inline(always)] + fn new<'b, T>(x: &'b T, f: fn(&T, &mut Formatter<'_>) -> Result) -> Argument<'b> { + // SAFETY: `mem::transmute(x)` is safe because + // 1. `&'b T` keeps the lifetime it originated with `'b` + // (so as to not have an unbounded lifetime) + // 2. `&'b T` and `&'b Opaque` have the same memory layout + // (when `T` is `Sized`, as it is here) + // `mem::transmute(f)` is safe since `fn(&T, &mut Formatter<'_>) -> Result` + // and `fn(&Opaque, &mut Formatter<'_>) -> Result` have the same ABI + // (as long as `T` is `Sized`) + unsafe { Argument { formatter: mem::transmute(f), value: mem::transmute(x) } } + } + + #[inline(always)] + pub fn new_display<'b, T: Display>(x: &'b T) -> Argument<'_> { + Self::new(x, Display::fmt) + } + #[inline(always)] + pub fn new_debug<'b, T: Debug>(x: &'b T) -> Argument<'_> { + Self::new(x, Debug::fmt) + } + #[inline(always)] + pub fn new_octal<'b, T: Octal>(x: &'b T) -> Argument<'_> { + Self::new(x, Octal::fmt) + } + #[inline(always)] + pub fn new_lower_hex<'b, T: LowerHex>(x: &'b T) -> Argument<'_> { + Self::new(x, LowerHex::fmt) + } + #[inline(always)] + pub fn new_upper_hex<'b, T: UpperHex>(x: &'b T) -> Argument<'_> { + Self::new(x, UpperHex::fmt) + } + #[inline(always)] + pub fn new_pointer<'b, T: Pointer>(x: &'b T) -> Argument<'_> { + Self::new(x, Pointer::fmt) + } + #[inline(always)] + pub fn new_binary<'b, T: Binary>(x: &'b T) -> Argument<'_> { + Self::new(x, Binary::fmt) + } + #[inline(always)] + pub fn new_lower_exp<'b, T: LowerExp>(x: &'b T) -> Argument<'_> { + Self::new(x, LowerExp::fmt) + } + #[inline(always)] + pub fn new_upper_exp<'b, T: UpperExp>(x: &'b T) -> Argument<'_> { + Self::new(x, UpperExp::fmt) + } + #[inline(always)] + pub fn from_usize(x: &usize) -> Argument<'_> { + Self::new(x, USIZE_MARKER) + } + + #[inline(always)] + pub(super) fn fmt(&self, f: &mut Formatter<'_>) -> Result { + (self.formatter)(self.value, f) + } + + #[inline(always)] + pub(super) fn as_usize(&self) -> Option<usize> { + // We are type punning a bit here: USIZE_MARKER only takes an &usize but + // formatter takes an &Opaque. Rust understandably doesn't think we should compare + // the function pointers if they don't have the same signature, so we cast to + // usizes to tell it that we just want to compare addresses. + if self.formatter as usize == USIZE_MARKER as usize { + // SAFETY: The `formatter` field is only set to USIZE_MARKER if + // the value is a usize, so this is safe + Some(unsafe { *(self.value as *const _ as *const usize) }) + } else { + None + } + } +} + +/// This struct represents the unsafety of constructing an `Arguments`. +/// It exists, rather than an unsafe function, in order to simplify the expansion +/// of `format_args!(..)` and reduce the scope of the `unsafe` block. +#[lang = "format_unsafe_arg"] +pub struct UnsafeArg { + _private: (), +} + +impl UnsafeArg { + /// See documentation where `UnsafeArg` is required to know when it is safe to + /// create and use `UnsafeArg`. + #[inline(always)] + pub unsafe fn new() -> Self { + Self { _private: () } + } +} + +extern "C" { + type Opaque; +} + +// This guarantees a single stable value for the function pointer associated with +// indices/counts in the formatting infrastructure. +// +// Note that a function defined as such would not be correct as functions are +// always tagged unnamed_addr with the current lowering to LLVM IR, so their +// address is not considered important to LLVM and as such the as_usize cast +// could have been miscompiled. In practice, we never call as_usize on non-usize +// containing data (as a matter of static generation of the formatting +// arguments), so this is merely an additional check. +// +// We primarily want to ensure that the function pointer at `USIZE_MARKER` has +// an address corresponding *only* to functions that also take `&usize` as their +// first argument. The read_volatile here ensures that we can safely ready out a +// usize from the passed reference and that this address does not point at a +// non-usize taking function. +static USIZE_MARKER: fn(&usize, &mut Formatter<'_>) -> Result = |ptr, _| { + // SAFETY: ptr is a reference + let _v: usize = unsafe { crate::ptr::read_volatile(ptr) }; + loop {} +}; diff --git a/library/core/src/future/mod.rs b/library/core/src/future/mod.rs index 04f02d47f92..7a8d0cacdec 100644 --- a/library/core/src/future/mod.rs +++ b/library/core/src/future/mod.rs @@ -70,7 +70,6 @@ pub unsafe fn get_context<'a, 'b>(cx: ResumeTy) -> &'a mut Context<'b> { #[doc(hidden)] #[unstable(feature = "gen_future", issue = "50547")] #[inline] -#[cfg_attr(bootstrap, lang = "identity_future")] pub const fn identity_future<O, Fut: Future<Output = O>>(f: Fut) -> Fut { f } diff --git a/library/core/src/intrinsics.rs b/library/core/src/intrinsics.rs index 741f20cf4c7..79bd0bbb0c1 100644 --- a/library/core/src/intrinsics.rs +++ b/library/core/src/intrinsics.rs @@ -1413,6 +1413,10 @@ extern "rust-intrinsic" { /// This is implemented as an intrinsic to avoid converting to and from an /// integer, since the conversion would throw away aliasing information. /// + /// This can only be used with `Ptr` as a raw pointer type (`*mut` or `*const`) + /// to a `Sized` pointee and with `Delta` as `usize` or `isize`. Any other + /// instantiations may arbitrarily misbehave, and that's *not* a compiler bug. + /// /// # Safety /// /// Both the starting and resulting pointer must be either in bounds or one @@ -1421,6 +1425,14 @@ extern "rust-intrinsic" { /// returned value will result in undefined behavior. /// /// The stabilized version of this intrinsic is [`pointer::offset`]. + #[cfg(not(bootstrap))] + #[must_use = "returns a new pointer rather than modifying its argument"] + #[rustc_const_stable(feature = "const_ptr_offset", since = "1.61.0")] + #[rustc_nounwind] + pub fn offset<Ptr, Delta>(dst: Ptr, offset: Delta) -> Ptr; + + /// The bootstrap version of this is more restricted. + #[cfg(bootstrap)] #[must_use = "returns a new pointer rather than modifying its argument"] #[rustc_const_stable(feature = "const_ptr_offset", since = "1.61.0")] #[rustc_nounwind] @@ -1811,14 +1823,12 @@ extern "rust-intrinsic" { /// with an even least significant digit. /// /// This intrinsic does not have a stable counterpart. - #[cfg(not(bootstrap))] #[rustc_nounwind] pub fn roundevenf32(x: f32) -> f32; /// Returns the nearest integer to an `f64`. Rounds half-way cases to the number /// with an even least significant digit. /// /// This intrinsic does not have a stable counterpart. - #[cfg(not(bootstrap))] #[rustc_nounwind] pub fn roundevenf64(x: f64) -> f64; @@ -2250,7 +2260,6 @@ extern "rust-intrinsic" { /// This intrinsic can *only* be called where the argument is a local without /// projections (`read_via_copy(p)`, not `read_via_copy(*p)`) so that it /// trivially obeys runtime-MIR rules about derefs in operands. - #[cfg(not(bootstrap))] #[rustc_const_unstable(feature = "const_ptr_read", issue = "80377")] #[rustc_nounwind] pub fn read_via_copy<T>(p: *const T) -> T; @@ -2458,7 +2467,6 @@ extern "rust-intrinsic" { /// This method creates a pointer to any `Some` value. If the argument is /// `None`, an invalid within-bounds pointer (that is still acceptable for /// constructing an empty slice) is returned. - #[cfg(not(bootstrap))] #[rustc_nounwind] pub fn option_payload_ptr<T>(arg: *const Option<T>) -> *const T; } diff --git a/library/core/src/iter/adapters/chain.rs b/library/core/src/iter/adapters/chain.rs index 2046b70c9c6..75727c3a240 100644 --- a/library/core/src/iter/adapters/chain.rs +++ b/library/core/src/iter/adapters/chain.rs @@ -273,7 +273,7 @@ where { } -#[stable(feature = "default_iters", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters", since = "1.70.0")] impl<A: Default, B: Default> Default for Chain<A, B> { /// Creates a `Chain` from the default values for `A` and `B`. /// diff --git a/library/core/src/iter/adapters/cloned.rs b/library/core/src/iter/adapters/cloned.rs index bb7e1660c6e..d3cceb8d4ad 100644 --- a/library/core/src/iter/adapters/cloned.rs +++ b/library/core/src/iter/adapters/cloned.rs @@ -154,7 +154,7 @@ where } } -#[stable(feature = "default_iters", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters", since = "1.70.0")] impl<I: Default> Default for Cloned<I> { /// Creates a `Cloned` iterator from the default value of `I` /// ``` diff --git a/library/core/src/iter/adapters/copied.rs b/library/core/src/iter/adapters/copied.rs index 2289025d0a7..8f6b2904eae 100644 --- a/library/core/src/iter/adapters/copied.rs +++ b/library/core/src/iter/adapters/copied.rs @@ -242,7 +242,7 @@ where } } -#[stable(feature = "default_iters", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters", since = "1.70.0")] impl<I: Default> Default for Copied<I> { /// Creates a `Copied` iterator from the default value of `I` /// ``` diff --git a/library/core/src/iter/adapters/enumerate.rs b/library/core/src/iter/adapters/enumerate.rs index 479ea6d83c7..00c1c377bf9 100644 --- a/library/core/src/iter/adapters/enumerate.rs +++ b/library/core/src/iter/adapters/enumerate.rs @@ -263,7 +263,7 @@ where #[unstable(issue = "none", feature = "inplace_iteration")] unsafe impl<I: InPlaceIterable> InPlaceIterable for Enumerate<I> {} -#[stable(feature = "default_iters", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters", since = "1.70.0")] impl<I: Default> Default for Enumerate<I> { /// Creates an `Enumerate` iterator from the default value of `I` /// ``` diff --git a/library/core/src/iter/adapters/flatten.rs b/library/core/src/iter/adapters/flatten.rs index 7217e8f2a8e..520ec9abcf0 100644 --- a/library/core/src/iter/adapters/flatten.rs +++ b/library/core/src/iter/adapters/flatten.rs @@ -289,7 +289,7 @@ where { } -#[stable(feature = "default_iters", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters", since = "1.70.0")] impl<I> Default for Flatten<I> where I: Default + Iterator<Item: IntoIterator>, diff --git a/library/core/src/iter/adapters/fuse.rs b/library/core/src/iter/adapters/fuse.rs index de91c188eeb..b1fa4f92117 100644 --- a/library/core/src/iter/adapters/fuse.rs +++ b/library/core/src/iter/adapters/fuse.rs @@ -181,7 +181,7 @@ where } } -#[stable(feature = "default_iters", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters", since = "1.70.0")] impl<I: Default> Default for Fuse<I> { /// Creates a `Fuse` iterator from the default value of `I`. /// diff --git a/library/core/src/iter/adapters/rev.rs b/library/core/src/iter/adapters/rev.rs index 1d882087f69..4aaf7c61f50 100644 --- a/library/core/src/iter/adapters/rev.rs +++ b/library/core/src/iter/adapters/rev.rs @@ -137,7 +137,7 @@ impl<I> FusedIterator for Rev<I> where I: FusedIterator + DoubleEndedIterator {} #[unstable(feature = "trusted_len", issue = "37572")] unsafe impl<I> TrustedLen for Rev<I> where I: TrustedLen + DoubleEndedIterator {} -#[stable(feature = "default_iters", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "default_iters", since = "1.70.0")] impl<I: Default> Default for Rev<I> { /// Creates a `Rev` iterator from the default value of `I` /// ``` diff --git a/library/core/src/iter/range.rs b/library/core/src/iter/range.rs index 37db074293d..0171d89812f 100644 --- a/library/core/src/iter/range.rs +++ b/library/core/src/iter/range.rs @@ -732,12 +732,18 @@ impl<A: Step> Iterator for ops::Range<A> { } #[inline] - fn min(mut self) -> Option<A> { + fn min(mut self) -> Option<A> + where + A: Ord, + { self.next() } #[inline] - fn max(mut self) -> Option<A> { + fn max(mut self) -> Option<A> + where + A: Ord, + { self.next_back() } @@ -1158,12 +1164,18 @@ impl<A: Step> Iterator for ops::RangeInclusive<A> { } #[inline] - fn min(mut self) -> Option<A> { + fn min(mut self) -> Option<A> + where + A: Ord, + { self.next() } #[inline] - fn max(mut self) -> Option<A> { + fn max(mut self) -> Option<A> + where + A: Ord, + { self.next_back() } diff --git a/library/core/src/marker.rs b/library/core/src/marker.rs index e85c0c0a688..40789cb3049 100644 --- a/library/core/src/marker.rs +++ b/library/core/src/marker.rs @@ -929,7 +929,6 @@ mod copy_impls { reason = "internal trait for implementing various traits for all function pointers" )] #[lang = "fn_ptr_trait"] -#[cfg(not(bootstrap))] #[rustc_deny_explicit_impl] pub trait FnPtr: Copy + Clone { /// Returns the address of the function pointer. diff --git a/library/core/src/num/nonzero.rs b/library/core/src/num/nonzero.rs index fc9b07d29e2..b80bfe1c92d 100644 --- a/library/core/src/num/nonzero.rs +++ b/library/core/src/num/nonzero.rs @@ -1162,7 +1162,7 @@ macro_rules! nonzero_min_max_unsigned { #[doc = concat!("# use std::num::", stringify!($Ty), ";")] #[doc = concat!("assert_eq!(", stringify!($Ty), "::MIN.get(), 1", stringify!($Int), ");")] /// ``` - #[stable(feature = "nonzero_min_max", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "nonzero_min_max", since = "1.70.0")] pub const MIN: Self = Self::new(1).unwrap(); /// The largest value that can be represented by this non-zero @@ -1175,7 +1175,7 @@ macro_rules! nonzero_min_max_unsigned { #[doc = concat!("# use std::num::", stringify!($Ty), ";")] #[doc = concat!("assert_eq!(", stringify!($Ty), "::MAX.get(), ", stringify!($Int), "::MAX);")] /// ``` - #[stable(feature = "nonzero_min_max", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "nonzero_min_max", since = "1.70.0")] pub const MAX: Self = Self::new(<$Int>::MAX).unwrap(); } )+ @@ -1200,7 +1200,7 @@ macro_rules! nonzero_min_max_signed { #[doc = concat!("# use std::num::", stringify!($Ty), ";")] #[doc = concat!("assert_eq!(", stringify!($Ty), "::MIN.get(), ", stringify!($Int), "::MIN);")] /// ``` - #[stable(feature = "nonzero_min_max", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "nonzero_min_max", since = "1.70.0")] pub const MIN: Self = Self::new(<$Int>::MIN).unwrap(); /// The largest value that can be represented by this non-zero @@ -1217,7 +1217,7 @@ macro_rules! nonzero_min_max_signed { #[doc = concat!("# use std::num::", stringify!($Ty), ";")] #[doc = concat!("assert_eq!(", stringify!($Ty), "::MAX.get(), ", stringify!($Int), "::MAX);")] /// ``` - #[stable(feature = "nonzero_min_max", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "nonzero_min_max", since = "1.70.0")] pub const MAX: Self = Self::new(<$Int>::MAX).unwrap(); } )+ diff --git a/library/core/src/option.rs b/library/core/src/option.rs index 82e7e69215e..73ffc3f36ca 100644 --- a/library/core/src/option.rs +++ b/library/core/src/option.rs @@ -558,7 +558,7 @@ use crate::{ /// The `Option` type. See [the module level documentation](self) for more. #[derive(Copy, PartialOrd, Eq, Ord, Debug, Hash)] #[rustc_diagnostic_item = "Option"] -#[cfg_attr(not(bootstrap), lang = "Option")] +#[lang = "Option"] #[stable(feature = "rust1", since = "1.0.0")] pub enum Option<T> { /// No value. @@ -615,7 +615,7 @@ impl<T> Option<T> { /// ``` #[must_use] #[inline] - #[stable(feature = "is_some_and", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "is_some_and", since = "1.70.0")] pub fn is_some_and(self, f: impl FnOnce(T) -> bool) -> bool { match self { None => false, @@ -765,13 +765,6 @@ impl<T> Option<T> { #[must_use] #[unstable(feature = "option_as_slice", issue = "108545")] pub fn as_slice(&self) -> &[T] { - #[cfg(bootstrap)] - match self { - Some(value) => slice::from_ref(value), - None => &[], - } - - #[cfg(not(bootstrap))] // SAFETY: When the `Option` is `Some`, we're using the actual pointer // to the payload, with a length of 1, so this is equivalent to // `slice::from_ref`, and thus is safe. @@ -832,13 +825,6 @@ impl<T> Option<T> { #[must_use] #[unstable(feature = "option_as_slice", issue = "108545")] pub fn as_mut_slice(&mut self) -> &mut [T] { - #[cfg(bootstrap)] - match self { - Some(value) => slice::from_mut(value), - None => &mut [], - } - - #[cfg(not(bootstrap))] // SAFETY: When the `Option` is `Some`, we're using the actual pointer // to the payload, with a length of 1, so this is equivalent to // `slice::from_mut`, and thus is safe. diff --git a/library/core/src/panicking.rs b/library/core/src/panicking.rs index efeb726ab8e..81be3fb22ee 100644 --- a/library/core/src/panicking.rs +++ b/library/core/src/panicking.rs @@ -165,7 +165,7 @@ fn panic_bounds_check(index: usize, len: usize) -> ! { #[cold] #[cfg_attr(not(feature = "panic_immediate_abort"), inline(never))] #[track_caller] -#[cfg_attr(not(bootstrap), lang = "panic_misaligned_pointer_dereference")] // needed by codegen for panic on misaligned pointer deref +#[lang = "panic_misaligned_pointer_dereference"] // needed by codegen for panic on misaligned pointer deref fn panic_misaligned_pointer_dereference(required: usize, found: usize) -> ! { if cfg!(feature = "panic_immediate_abort") { super::intrinsics::abort() diff --git a/library/core/src/primitive_docs.rs b/library/core/src/primitive_docs.rs index 3df990e5dd9..08ffc407ead 100644 --- a/library/core/src/primitive_docs.rs +++ b/library/core/src/primitive_docs.rs @@ -1,8 +1,7 @@ // `library/{std,core}/src/primitive_docs.rs` should have the same contents. // These are different files so that relative links work properly without // having to have `CARGO_PKG_NAME` set, but conceptually they should always be the same. -#[cfg_attr(bootstrap, doc(primitive = "bool"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "bool")] +#[rustc_doc_primitive = "bool"] #[doc(alias = "true")] #[doc(alias = "false")] /// The boolean type. @@ -64,8 +63,7 @@ #[stable(feature = "rust1", since = "1.0.0")] mod prim_bool {} -#[cfg_attr(bootstrap, doc(primitive = "never"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "never")] +#[rustc_doc_primitive = "never"] #[doc(alias = "!")] // /// The `!` type, also called "never". @@ -276,8 +274,7 @@ mod prim_bool {} #[unstable(feature = "never_type", issue = "35121")] mod prim_never {} -#[cfg_attr(bootstrap, doc(primitive = "char"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "char")] +#[rustc_doc_primitive = "char"] #[allow(rustdoc::invalid_rust_codeblocks)] /// A character type. /// @@ -401,8 +398,7 @@ mod prim_never {} #[stable(feature = "rust1", since = "1.0.0")] mod prim_char {} -#[cfg_attr(bootstrap, doc(primitive = "unit"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "unit")] +#[rustc_doc_primitive = "unit"] #[doc(alias = "(")] #[doc(alias = ")")] #[doc(alias = "()")] @@ -464,8 +460,7 @@ impl Copy for () { // empty } -#[cfg_attr(bootstrap, doc(primitive = "pointer"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "pointer")] +#[rustc_doc_primitive = "pointer"] #[doc(alias = "ptr")] #[doc(alias = "*")] #[doc(alias = "*const")] @@ -581,8 +576,7 @@ impl Copy for () { #[stable(feature = "rust1", since = "1.0.0")] mod prim_pointer {} -#[cfg_attr(bootstrap, doc(primitive = "array"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "array")] +#[rustc_doc_primitive = "array"] #[doc(alias = "[]")] #[doc(alias = "[T;N]")] // unfortunately, rustdoc doesn't have fuzzy search for aliases #[doc(alias = "[T; N]")] @@ -783,8 +777,7 @@ mod prim_pointer {} #[stable(feature = "rust1", since = "1.0.0")] mod prim_array {} -#[cfg_attr(bootstrap, doc(primitive = "slice"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "slice")] +#[rustc_doc_primitive = "slice"] #[doc(alias = "[")] #[doc(alias = "]")] #[doc(alias = "[]")] @@ -876,8 +869,7 @@ mod prim_array {} #[stable(feature = "rust1", since = "1.0.0")] mod prim_slice {} -#[cfg_attr(bootstrap, doc(primitive = "str"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "str")] +#[rustc_doc_primitive = "str"] /// String slices. /// /// *[See also the `std::str` module](crate::str).* @@ -944,8 +936,7 @@ mod prim_slice {} #[stable(feature = "rust1", since = "1.0.0")] mod prim_str {} -#[cfg_attr(bootstrap, doc(primitive = "tuple"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "tuple")] +#[rustc_doc_primitive = "tuple"] #[doc(alias = "(")] #[doc(alias = ")")] #[doc(alias = "()")] @@ -1088,8 +1079,7 @@ impl<T: Copy> Copy for (T,) { // empty } -#[cfg_attr(bootstrap, doc(primitive = "f32"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "f32")] +#[rustc_doc_primitive = "f32"] /// A 32-bit floating point type (specifically, the "binary32" type defined in IEEE 754-2008). /// /// This type can represent a wide range of decimal numbers, like `3.5`, `27`, @@ -1155,8 +1145,7 @@ impl<T: Copy> Copy for (T,) { #[stable(feature = "rust1", since = "1.0.0")] mod prim_f32 {} -#[cfg_attr(bootstrap, doc(primitive = "f64"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "f64")] +#[rustc_doc_primitive = "f64"] /// A 64-bit floating point type (specifically, the "binary64" type defined in IEEE 754-2008). /// /// This type is very similar to [`f32`], but has increased @@ -1171,78 +1160,67 @@ mod prim_f32 {} #[stable(feature = "rust1", since = "1.0.0")] mod prim_f64 {} -#[cfg_attr(bootstrap, doc(primitive = "i8"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "i8")] +#[rustc_doc_primitive = "i8"] // /// The 8-bit signed integer type. #[stable(feature = "rust1", since = "1.0.0")] mod prim_i8 {} -#[cfg_attr(bootstrap, doc(primitive = "i16"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "i16")] +#[rustc_doc_primitive = "i16"] // /// The 16-bit signed integer type. #[stable(feature = "rust1", since = "1.0.0")] mod prim_i16 {} -#[cfg_attr(bootstrap, doc(primitive = "i32"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "i32")] +#[rustc_doc_primitive = "i32"] // /// The 32-bit signed integer type. #[stable(feature = "rust1", since = "1.0.0")] mod prim_i32 {} -#[cfg_attr(bootstrap, doc(primitive = "i64"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "i64")] +#[rustc_doc_primitive = "i64"] // /// The 64-bit signed integer type. #[stable(feature = "rust1", since = "1.0.0")] mod prim_i64 {} -#[cfg_attr(bootstrap, doc(primitive = "i128"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "i128")] +#[rustc_doc_primitive = "i128"] // /// The 128-bit signed integer type. #[stable(feature = "i128", since = "1.26.0")] mod prim_i128 {} -#[cfg_attr(bootstrap, doc(primitive = "u8"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "u8")] +#[rustc_doc_primitive = "u8"] // /// The 8-bit unsigned integer type. #[stable(feature = "rust1", since = "1.0.0")] mod prim_u8 {} -#[cfg_attr(bootstrap, doc(primitive = "u16"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "u16")] +#[rustc_doc_primitive = "u16"] // /// The 16-bit unsigned integer type. #[stable(feature = "rust1", since = "1.0.0")] mod prim_u16 {} -#[cfg_attr(bootstrap, doc(primitive = "u32"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "u32")] +#[rustc_doc_primitive = "u32"] // /// The 32-bit unsigned integer type. #[stable(feature = "rust1", since = "1.0.0")] mod prim_u32 {} -#[cfg_attr(bootstrap, doc(primitive = "u64"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "u64")] +#[rustc_doc_primitive = "u64"] // /// The 64-bit unsigned integer type. #[stable(feature = "rust1", since = "1.0.0")] mod prim_u64 {} -#[cfg_attr(bootstrap, doc(primitive = "u128"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "u128")] +#[rustc_doc_primitive = "u128"] // /// The 128-bit unsigned integer type. #[stable(feature = "i128", since = "1.26.0")] mod prim_u128 {} -#[cfg_attr(bootstrap, doc(primitive = "isize"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "isize")] +#[rustc_doc_primitive = "isize"] // /// The pointer-sized signed integer type. /// @@ -1252,8 +1230,7 @@ mod prim_u128 {} #[stable(feature = "rust1", since = "1.0.0")] mod prim_isize {} -#[cfg_attr(bootstrap, doc(primitive = "usize"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "usize")] +#[rustc_doc_primitive = "usize"] // /// The pointer-sized unsigned integer type. /// @@ -1263,8 +1240,7 @@ mod prim_isize {} #[stable(feature = "rust1", since = "1.0.0")] mod prim_usize {} -#[cfg_attr(bootstrap, doc(primitive = "reference"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "reference")] +#[rustc_doc_primitive = "reference"] #[doc(alias = "&")] #[doc(alias = "&mut")] // @@ -1396,8 +1372,7 @@ mod prim_usize {} #[stable(feature = "rust1", since = "1.0.0")] mod prim_ref {} -#[cfg_attr(bootstrap, doc(primitive = "fn"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "fn")] +#[rustc_doc_primitive = "fn"] // /// Function pointers, like `fn(usize) -> bool`. /// diff --git a/library/core/src/ptr/const_ptr.rs b/library/core/src/ptr/const_ptr.rs index 6b18f5f5a40..585b648873a 100644 --- a/library/core/src/ptr/const_ptr.rs +++ b/library/core/src/ptr/const_ptr.rs @@ -916,8 +916,16 @@ impl<T: ?Sized> *const T { where T: Sized, { + #[cfg(bootstrap)] // SAFETY: the caller must uphold the safety contract for `offset`. - unsafe { self.offset(count as isize) } + unsafe { + self.offset(count as isize) + } + #[cfg(not(bootstrap))] + // SAFETY: the caller must uphold the safety contract for `offset`. + unsafe { + intrinsics::offset(self, count) + } } /// Calculates the offset from a pointer in bytes (convenience for `.byte_offset(count as isize)`). diff --git a/library/core/src/ptr/mod.rs b/library/core/src/ptr/mod.rs index 675bc8245d8..13e546497f2 100644 --- a/library/core/src/ptr/mod.rs +++ b/library/core/src/ptr/mod.rs @@ -374,6 +374,7 @@ use crate::hash; use crate::intrinsics::{ self, assert_unsafe_precondition, is_aligned_and_not_null, is_nonoverlapping, }; +use crate::marker::FnPtr; use crate::mem::{self, MaybeUninit}; @@ -1167,26 +1168,7 @@ pub const unsafe fn read<T>(src: *const T) -> T { "ptr::read requires that the pointer argument is aligned and non-null", [T](src: *const T) => is_aligned_and_not_null(src) ); - - #[cfg(bootstrap)] - { - // We are calling the intrinsics directly to avoid function calls in the - // generated code as `intrinsics::copy_nonoverlapping` is a wrapper function. - extern "rust-intrinsic" { - #[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.63.0")] - fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize); - } - - // `src` cannot overlap `tmp` because `tmp` was just allocated on - // the stack as a separate allocated object. - let mut tmp = MaybeUninit::<T>::uninit(); - copy_nonoverlapping(src, tmp.as_mut_ptr(), 1); - tmp.assume_init() - } - #[cfg(not(bootstrap))] - { - crate::intrinsics::read_via_copy(src) - } + crate::intrinsics::read_via_copy(src) } } @@ -1897,205 +1879,52 @@ pub fn hash<T: ?Sized, S: hash::Hasher>(hashee: *const T, into: &mut S) { hashee.hash(into); } -#[cfg(bootstrap)] -mod old_fn_ptr_impl { - use super::*; - // If this is a unary fn pointer, it adds a doc comment. - // Otherwise, it hides the docs entirely. - macro_rules! maybe_fnptr_doc { - (@ #[$meta:meta] $item:item) => { - #[doc(hidden)] - #[$meta] - $item - }; - ($a:ident @ #[$meta:meta] $item:item) => { - #[doc(fake_variadic)] - #[doc = "This trait is implemented for function pointers with up to twelve arguments."] - #[$meta] - $item - }; - ($a:ident $($rest_a:ident)+ @ #[$meta:meta] $item:item) => { - #[doc(hidden)] - #[$meta] - $item - }; - } - - // FIXME(strict_provenance_magic): function pointers have buggy codegen that - // necessitates casting to a usize to get the backend to do the right thing. - // for now I will break AVR to silence *a billion* lints. We should probably - // have a proper "opaque function pointer type" to handle this kind of thing. - - // Impls for function pointers - macro_rules! fnptr_impls_safety_abi { - ($FnTy: ty, $($Arg: ident),*) => { - fnptr_impls_safety_abi! { #[stable(feature = "fnptr_impls", since = "1.4.0")] $FnTy, $($Arg),* } - }; - (@c_unwind $FnTy: ty, $($Arg: ident),*) => { - fnptr_impls_safety_abi! { #[unstable(feature = "c_unwind", issue = "74990")] $FnTy, $($Arg),* } - }; - (#[$meta:meta] $FnTy: ty, $($Arg: ident),*) => { - maybe_fnptr_doc! { - $($Arg)* @ - #[$meta] - impl<Ret, $($Arg),*> PartialEq for $FnTy { - #[inline] - fn eq(&self, other: &Self) -> bool { - *self as usize == *other as usize - } - } - } - - maybe_fnptr_doc! { - $($Arg)* @ - #[$meta] - impl<Ret, $($Arg),*> Eq for $FnTy {} - } - - maybe_fnptr_doc! { - $($Arg)* @ - #[$meta] - impl<Ret, $($Arg),*> PartialOrd for $FnTy { - #[inline] - fn partial_cmp(&self, other: &Self) -> Option<Ordering> { - (*self as usize).partial_cmp(&(*other as usize)) - } - } - } - - maybe_fnptr_doc! { - $($Arg)* @ - #[$meta] - impl<Ret, $($Arg),*> Ord for $FnTy { - #[inline] - fn cmp(&self, other: &Self) -> Ordering { - (*self as usize).cmp(&(*other as usize)) - } - } - } - - maybe_fnptr_doc! { - $($Arg)* @ - #[$meta] - impl<Ret, $($Arg),*> hash::Hash for $FnTy { - fn hash<HH: hash::Hasher>(&self, state: &mut HH) { - state.write_usize(*self as usize) - } - } - } - - maybe_fnptr_doc! { - $($Arg)* @ - #[$meta] - impl<Ret, $($Arg),*> fmt::Pointer for $FnTy { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - fmt::pointer_fmt_inner(*self as usize, f) - } - } - } - - maybe_fnptr_doc! { - $($Arg)* @ - #[$meta] - impl<Ret, $($Arg),*> fmt::Debug for $FnTy { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - fmt::pointer_fmt_inner(*self as usize, f) - } - } - } - } - } - - macro_rules! fnptr_impls_args { - ($($Arg: ident),+) => { - fnptr_impls_safety_abi! { extern "Rust" fn($($Arg),+) -> Ret, $($Arg),+ } - fnptr_impls_safety_abi! { extern "C" fn($($Arg),+) -> Ret, $($Arg),+ } - fnptr_impls_safety_abi! { extern "C" fn($($Arg),+ , ...) -> Ret, $($Arg),+ } - fnptr_impls_safety_abi! { @c_unwind extern "C-unwind" fn($($Arg),+) -> Ret, $($Arg),+ } - fnptr_impls_safety_abi! { @c_unwind extern "C-unwind" fn($($Arg),+ , ...) -> Ret, $($Arg),+ } - fnptr_impls_safety_abi! { unsafe extern "Rust" fn($($Arg),+) -> Ret, $($Arg),+ } - fnptr_impls_safety_abi! { unsafe extern "C" fn($($Arg),+) -> Ret, $($Arg),+ } - fnptr_impls_safety_abi! { unsafe extern "C" fn($($Arg),+ , ...) -> Ret, $($Arg),+ } - fnptr_impls_safety_abi! { @c_unwind unsafe extern "C-unwind" fn($($Arg),+) -> Ret, $($Arg),+ } - fnptr_impls_safety_abi! { @c_unwind unsafe extern "C-unwind" fn($($Arg),+ , ...) -> Ret, $($Arg),+ } - }; - () => { - // No variadic functions with 0 parameters - fnptr_impls_safety_abi! { extern "Rust" fn() -> Ret, } - fnptr_impls_safety_abi! { extern "C" fn() -> Ret, } - fnptr_impls_safety_abi! { @c_unwind extern "C-unwind" fn() -> Ret, } - fnptr_impls_safety_abi! { unsafe extern "Rust" fn() -> Ret, } - fnptr_impls_safety_abi! { unsafe extern "C" fn() -> Ret, } - fnptr_impls_safety_abi! { @c_unwind unsafe extern "C-unwind" fn() -> Ret, } - }; +#[stable(feature = "fnptr_impls", since = "1.4.0")] +impl<F: FnPtr> PartialEq for F { + #[inline] + fn eq(&self, other: &Self) -> bool { + self.addr() == other.addr() } - - fnptr_impls_args! {} - fnptr_impls_args! { T } - fnptr_impls_args! { A, B } - fnptr_impls_args! { A, B, C } - fnptr_impls_args! { A, B, C, D } - fnptr_impls_args! { A, B, C, D, E } - fnptr_impls_args! { A, B, C, D, E, F } - fnptr_impls_args! { A, B, C, D, E, F, G } - fnptr_impls_args! { A, B, C, D, E, F, G, H } - fnptr_impls_args! { A, B, C, D, E, F, G, H, I } - fnptr_impls_args! { A, B, C, D, E, F, G, H, I, J } - fnptr_impls_args! { A, B, C, D, E, F, G, H, I, J, K } - fnptr_impls_args! { A, B, C, D, E, F, G, H, I, J, K, L } } +#[stable(feature = "fnptr_impls", since = "1.4.0")] +impl<F: FnPtr> Eq for F {} -#[cfg(not(bootstrap))] -mod new_fn_ptr_impl { - use super::*; - use crate::marker::FnPtr; - - #[stable(feature = "fnptr_impls", since = "1.4.0")] - impl<F: FnPtr> PartialEq for F { - #[inline] - fn eq(&self, other: &Self) -> bool { - self.addr() == other.addr() - } - } - #[stable(feature = "fnptr_impls", since = "1.4.0")] - impl<F: FnPtr> Eq for F {} - - #[stable(feature = "fnptr_impls", since = "1.4.0")] - impl<F: FnPtr> PartialOrd for F { - #[inline] - fn partial_cmp(&self, other: &Self) -> Option<Ordering> { - self.addr().partial_cmp(&other.addr()) - } +#[stable(feature = "fnptr_impls", since = "1.4.0")] +impl<F: FnPtr> PartialOrd for F { + #[inline] + fn partial_cmp(&self, other: &Self) -> Option<Ordering> { + self.addr().partial_cmp(&other.addr()) } - #[stable(feature = "fnptr_impls", since = "1.4.0")] - impl<F: FnPtr> Ord for F { - #[inline] - fn cmp(&self, other: &Self) -> Ordering { - self.addr().cmp(&other.addr()) - } +} +#[stable(feature = "fnptr_impls", since = "1.4.0")] +impl<F: FnPtr> Ord for F { + #[inline] + fn cmp(&self, other: &Self) -> Ordering { + self.addr().cmp(&other.addr()) } +} - #[stable(feature = "fnptr_impls", since = "1.4.0")] - impl<F: FnPtr> hash::Hash for F { - fn hash<HH: hash::Hasher>(&self, state: &mut HH) { - state.write_usize(self.addr() as _) - } +#[stable(feature = "fnptr_impls", since = "1.4.0")] +impl<F: FnPtr> hash::Hash for F { + fn hash<HH: hash::Hasher>(&self, state: &mut HH) { + state.write_usize(self.addr() as _) } +} - #[stable(feature = "fnptr_impls", since = "1.4.0")] - impl<F: FnPtr> fmt::Pointer for F { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - fmt::pointer_fmt_inner(self.addr() as _, f) - } +#[stable(feature = "fnptr_impls", since = "1.4.0")] +impl<F: FnPtr> fmt::Pointer for F { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + fmt::pointer_fmt_inner(self.addr() as _, f) } +} - #[stable(feature = "fnptr_impls", since = "1.4.0")] - impl<F: FnPtr> fmt::Debug for F { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - fmt::pointer_fmt_inner(self.addr() as _, f) - } +#[stable(feature = "fnptr_impls", since = "1.4.0")] +impl<F: FnPtr> fmt::Debug for F { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + fmt::pointer_fmt_inner(self.addr() as _, f) } } + /// Create a `const` raw pointer to a place, without creating an intermediate reference. /// /// Creating a reference with `&`/`&mut` is only allowed if the pointer is properly aligned diff --git a/library/core/src/ptr/mut_ptr.rs b/library/core/src/ptr/mut_ptr.rs index 7b0fd02eb9f..c339ccb1b4d 100644 --- a/library/core/src/ptr/mut_ptr.rs +++ b/library/core/src/ptr/mut_ptr.rs @@ -473,10 +473,20 @@ impl<T: ?Sized> *mut T { where T: Sized, { + #[cfg(bootstrap)] // SAFETY: the caller must uphold the safety contract for `offset`. // The obtained pointer is valid for writes since the caller must // guarantee that it points to the same allocated object as `self`. - unsafe { intrinsics::offset(self, count) as *mut T } + unsafe { + intrinsics::offset(self, count) as *mut T + } + #[cfg(not(bootstrap))] + // SAFETY: the caller must uphold the safety contract for `offset`. + // The obtained pointer is valid for writes since the caller must + // guarantee that it points to the same allocated object as `self`. + unsafe { + intrinsics::offset(self, count) + } } /// Calculates the offset from a pointer in bytes. @@ -1016,8 +1026,16 @@ impl<T: ?Sized> *mut T { where T: Sized, { + #[cfg(bootstrap)] + // SAFETY: the caller must uphold the safety contract for `offset`. + unsafe { + self.offset(count as isize) + } + #[cfg(not(bootstrap))] // SAFETY: the caller must uphold the safety contract for `offset`. - unsafe { self.offset(count as isize) } + unsafe { + intrinsics::offset(self, count) + } } /// Calculates the offset from a pointer in bytes (convenience for `.byte_offset(count as isize)`). diff --git a/library/core/src/ptr/non_null.rs b/library/core/src/ptr/non_null.rs index 506d891d989..61fcdf58b4f 100644 --- a/library/core/src/ptr/non_null.rs +++ b/library/core/src/ptr/non_null.rs @@ -473,7 +473,7 @@ impl<T> NonNull<[T]> { /// /// (Note that this example artificially demonstrates a use of this method, /// but `let slice = NonNull::from(&x[..]);` would be a better way to write code like this.) - #[stable(feature = "nonnull_slice_from_raw_parts", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "nonnull_slice_from_raw_parts", since = "1.70.0")] #[rustc_const_unstable(feature = "const_slice_from_raw_parts_mut", issue = "67456")] #[must_use] #[inline] diff --git a/library/core/src/result.rs b/library/core/src/result.rs index 28cb02989ec..1ee270f4c03 100644 --- a/library/core/src/result.rs +++ b/library/core/src/result.rs @@ -555,7 +555,7 @@ impl<T, E> Result<T, E> { /// ``` #[must_use] #[inline] - #[stable(feature = "is_some_and", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "is_some_and", since = "1.70.0")] pub fn is_ok_and(self, f: impl FnOnce(T) -> bool) -> bool { match self { Err(_) => false, @@ -600,7 +600,7 @@ impl<T, E> Result<T, E> { /// ``` #[must_use] #[inline] - #[stable(feature = "is_some_and", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "is_some_and", since = "1.70.0")] pub fn is_err_and(self, f: impl FnOnce(E) -> bool) -> bool { match self { Ok(_) => false, diff --git a/library/core/src/slice/iter/macros.rs b/library/core/src/slice/iter/macros.rs index b1ca872b845..0a30033778b 100644 --- a/library/core/src/slice/iter/macros.rs +++ b/library/core/src/slice/iter/macros.rs @@ -394,7 +394,7 @@ macro_rules! iterator { } } - #[stable(feature = "default_iters", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "default_iters", since = "1.70.0")] impl<T> Default for $name<'_, T> { /// Creates an empty slice iterator. /// diff --git a/library/core/src/sync/atomic.rs b/library/core/src/sync/atomic.rs index b0ab634905f..236b7f423d6 100644 --- a/library/core/src/sync/atomic.rs +++ b/library/core/src/sync/atomic.rs @@ -970,8 +970,8 @@ impl AtomicBool { /// # } /// ``` #[inline] - #[stable(feature = "atomic_as_ptr", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "atomic_as_ptr", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "atomic_as_ptr", since = "1.70.0")] + #[rustc_const_stable(feature = "atomic_as_ptr", since = "1.70.0")] pub const fn as_ptr(&self) -> *mut bool { self.v.get().cast() } @@ -1905,8 +1905,8 @@ impl<T> AtomicPtr<T> { /// } /// ``` #[inline] - #[stable(feature = "atomic_as_ptr", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "atomic_as_ptr", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "atomic_as_ptr", since = "1.70.0")] + #[rustc_const_stable(feature = "atomic_as_ptr", since = "1.70.0")] pub const fn as_ptr(&self) -> *mut *mut T { self.p.get() } @@ -2854,8 +2854,8 @@ macro_rules! atomic_int { /// # } /// ``` #[inline] - #[stable(feature = "atomic_as_ptr", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "atomic_as_ptr", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "atomic_as_ptr", since = "1.70.0")] + #[rustc_const_stable(feature = "atomic_as_ptr", since = "1.70.0")] pub const fn as_ptr(&self) -> *mut $int_type { self.v.get() } diff --git a/library/portable-simd/crates/core_simd/src/ops/deref.rs b/library/portable-simd/crates/core_simd/src/ops/deref.rs index 9883a74c92d..302bf148bd3 100644 --- a/library/portable-simd/crates/core_simd/src/ops/deref.rs +++ b/library/portable-simd/crates/core_simd/src/ops/deref.rs @@ -71,7 +71,7 @@ macro_rules! deref_ops { #[inline] #[must_use = "operator returns a new vector without mutating the inputs"] - fn $call(self, rhs: &$simd) -> Self::Output { + fn $call(self, rhs: &'rhs $simd) -> Self::Output { (*self).$call(*rhs) } } diff --git a/library/std/src/alloc.rs b/library/std/src/alloc.rs index c5a5991cc81..ec774e62deb 100644 --- a/library/std/src/alloc.rs +++ b/library/std/src/alloc.rs @@ -93,7 +93,7 @@ pub use alloc_crate::alloc::*; /// /// ```rust /// use std::alloc::{System, GlobalAlloc, Layout}; -/// use std::sync::atomic::{AtomicUsize, Ordering::SeqCst}; +/// use std::sync::atomic::{AtomicUsize, Ordering::Relaxed}; /// /// struct Counter; /// @@ -103,14 +103,14 @@ pub use alloc_crate::alloc::*; /// unsafe fn alloc(&self, layout: Layout) -> *mut u8 { /// let ret = System.alloc(layout); /// if !ret.is_null() { -/// ALLOCATED.fetch_add(layout.size(), SeqCst); +/// ALLOCATED.fetch_add(layout.size(), Relaxed); /// } /// ret /// } /// /// unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) { /// System.dealloc(ptr, layout); -/// ALLOCATED.fetch_sub(layout.size(), SeqCst); +/// ALLOCATED.fetch_sub(layout.size(), Relaxed); /// } /// } /// @@ -118,7 +118,7 @@ pub use alloc_crate::alloc::*; /// static A: Counter = Counter; /// /// fn main() { -/// println!("allocated bytes before main: {}", ALLOCATED.load(SeqCst)); +/// println!("allocated bytes before main: {}", ALLOCATED.load(Relaxed)); /// } /// ``` /// diff --git a/library/std/src/fs.rs b/library/std/src/fs.rs index 42a68496fc4..30e553f285b 100644 --- a/library/std/src/fs.rs +++ b/library/std/src/fs.rs @@ -2284,6 +2284,11 @@ pub fn remove_dir<P: AsRef<Path>>(path: P) -> io::Result<()> { /// /// See [`fs::remove_file`] and [`fs::remove_dir`]. /// +/// `remove_dir_all` will fail if `remove_dir` or `remove_file` fail on any constituent paths, including the root path. +/// As a result, the directory you are deleting must exist, meaning that this function is not idempotent. +/// +/// Consider ignoring the error if validating the removal is not required for your use case. +/// /// [`fs::remove_file`]: remove_file /// [`fs::remove_dir`]: remove_dir /// diff --git a/library/std/src/io/mod.rs b/library/std/src/io/mod.rs index 4cd7885bd4a..9e09ce337bc 100644 --- a/library/std/src/io/mod.rs +++ b/library/std/src/io/mod.rs @@ -268,7 +268,7 @@ pub(crate) use self::stdio::attempt_print_to_stderr; #[unstable(feature = "internal_output_capture", issue = "none")] #[doc(no_inline, hidden)] pub use self::stdio::set_output_capture; -#[stable(feature = "is_terminal", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "is_terminal", since = "1.70.0")] pub use self::stdio::IsTerminal; #[unstable(feature = "print_internals", issue = "none")] pub use self::stdio::{_eprint, _print}; diff --git a/library/std/src/io/stdio.rs b/library/std/src/io/stdio.rs index b2c57b8ddc7..9098d36ee53 100644 --- a/library/std/src/io/stdio.rs +++ b/library/std/src/io/stdio.rs @@ -1047,7 +1047,7 @@ pub(crate) fn attempt_print_to_stderr(args: fmt::Arguments<'_>) { } /// Trait to determine if a descriptor/handle refers to a terminal/tty. -#[stable(feature = "is_terminal", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "is_terminal", since = "1.70.0")] pub trait IsTerminal: crate::sealed::Sealed { /// Returns `true` if the descriptor/handle refers to a terminal/tty. /// @@ -1063,7 +1063,7 @@ pub trait IsTerminal: crate::sealed::Sealed { /// Note that this [may change in the future][changes]. /// /// [changes]: io#platform-specific-behavior - #[stable(feature = "is_terminal", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "is_terminal", since = "1.70.0")] fn is_terminal(&self) -> bool; } @@ -1072,7 +1072,7 @@ macro_rules! impl_is_terminal { #[unstable(feature = "sealed", issue = "none")] impl crate::sealed::Sealed for $t {} - #[stable(feature = "is_terminal", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "is_terminal", since = "1.70.0")] impl IsTerminal for $t { #[inline] fn is_terminal(&self) -> bool { diff --git a/library/std/src/os/android/net.rs b/library/std/src/os/android/net.rs index 4e88ab8ff5c..fe40d6319c2 100644 --- a/library/std/src/os/android/net.rs +++ b/library/std/src/os/android/net.rs @@ -1,8 +1,8 @@ //! Android-specific networking functionality. -#![stable(feature = "unix_socket_abstract", since = "CURRENT_RUSTC_VERSION")] +#![stable(feature = "unix_socket_abstract", since = "1.70.0")] -#[stable(feature = "unix_socket_abstract", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "unix_socket_abstract", since = "1.70.0")] pub use crate::os::net::linux_ext::addr::SocketAddrExt; #[unstable(feature = "tcp_quickack", issue = "96256")] diff --git a/library/std/src/os/fd/owned.rs b/library/std/src/os/fd/owned.rs index 6a6e6f33158..2180d2974d5 100644 --- a/library/std/src/os/fd/owned.rs +++ b/library/std/src/os/fd/owned.rs @@ -201,7 +201,7 @@ macro_rules! impl_is_terminal { #[unstable(feature = "sealed", issue = "none")] impl crate::sealed::Sealed for $t {} - #[stable(feature = "is_terminal", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "is_terminal", since = "1.70.0")] impl crate::io::IsTerminal for $t { #[inline] fn is_terminal(&self) -> bool { diff --git a/library/std/src/os/linux/net.rs b/library/std/src/os/linux/net.rs index fcb3bb83485..c8e734d740b 100644 --- a/library/std/src/os/linux/net.rs +++ b/library/std/src/os/linux/net.rs @@ -1,8 +1,8 @@ //! Linux-specific networking functionality. -#![stable(feature = "unix_socket_abstract", since = "CURRENT_RUSTC_VERSION")] +#![stable(feature = "unix_socket_abstract", since = "1.70.0")] -#[stable(feature = "unix_socket_abstract", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "unix_socket_abstract", since = "1.70.0")] pub use crate::os::net::linux_ext::addr::SocketAddrExt; #[unstable(feature = "tcp_quickack", issue = "96256")] diff --git a/library/std/src/os/net/linux_ext/addr.rs b/library/std/src/os/net/linux_ext/addr.rs index ea8102c9cc0..aed772056e1 100644 --- a/library/std/src/os/net/linux_ext/addr.rs +++ b/library/std/src/os/net/linux_ext/addr.rs @@ -4,7 +4,7 @@ use crate::os::unix::net::SocketAddr; use crate::sealed::Sealed; /// Platform-specific extensions to [`SocketAddr`]. -#[stable(feature = "unix_socket_abstract", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "unix_socket_abstract", since = "1.70.0")] pub trait SocketAddrExt: Sealed { /// Creates a Unix socket address in the abstract namespace. /// @@ -37,7 +37,7 @@ pub trait SocketAddrExt: Sealed { /// Ok(()) /// } /// ``` - #[stable(feature = "unix_socket_abstract", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "unix_socket_abstract", since = "1.70.0")] fn from_abstract_name<N>(name: N) -> crate::io::Result<SocketAddr> where N: AsRef<[u8]>; @@ -59,6 +59,6 @@ pub trait SocketAddrExt: Sealed { /// Ok(()) /// } /// ``` - #[stable(feature = "unix_socket_abstract", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "unix_socket_abstract", since = "1.70.0")] fn as_abstract_name(&self) -> Option<&[u8]>; } diff --git a/library/std/src/os/net/linux_ext/mod.rs b/library/std/src/os/net/linux_ext/mod.rs index e7423dce613..62e78cc50d4 100644 --- a/library/std/src/os/net/linux_ext/mod.rs +++ b/library/std/src/os/net/linux_ext/mod.rs @@ -2,7 +2,7 @@ #![doc(cfg(any(target_os = "linux", target_os = "android")))] -#[stable(feature = "unix_socket_abstract", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "unix_socket_abstract", since = "1.70.0")] pub(crate) mod addr; #[unstable(feature = "tcp_quickack", issue = "96256")] diff --git a/library/std/src/os/unix/net/addr.rs b/library/std/src/os/unix/net/addr.rs index 52a0da5bf1a..6c99e8c3620 100644 --- a/library/std/src/os/unix/net/addr.rs +++ b/library/std/src/os/unix/net/addr.rs @@ -245,12 +245,12 @@ impl SocketAddr { } } -#[stable(feature = "unix_socket_abstract", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "unix_socket_abstract", since = "1.70.0")] impl Sealed for SocketAddr {} #[doc(cfg(any(target_os = "android", target_os = "linux")))] #[cfg(any(doc, target_os = "android", target_os = "linux"))] -#[stable(feature = "unix_socket_abstract", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "unix_socket_abstract", since = "1.70.0")] impl linux_ext::addr::SocketAddrExt for SocketAddr { fn as_abstract_name(&self) -> Option<&[u8]> { if let AddressKind::Abstract(name) = self.address() { Some(name) } else { None } diff --git a/library/std/src/os/unix/net/datagram.rs b/library/std/src/os/unix/net/datagram.rs index 41cdcda4613..34db54235f1 100644 --- a/library/std/src/os/unix/net/datagram.rs +++ b/library/std/src/os/unix/net/datagram.rs @@ -118,7 +118,7 @@ impl UnixDatagram { /// Ok(()) /// } /// ``` - #[stable(feature = "unix_socket_abstract", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "unix_socket_abstract", since = "1.70.0")] pub fn bind_addr(socket_addr: &SocketAddr) -> io::Result<UnixDatagram> { unsafe { let socket = UnixDatagram::unbound()?; @@ -233,7 +233,7 @@ impl UnixDatagram { /// Ok(()) /// } /// ``` - #[stable(feature = "unix_socket_abstract", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "unix_socket_abstract", since = "1.70.0")] pub fn connect_addr(&self, socket_addr: &SocketAddr) -> io::Result<()> { unsafe { cvt(libc::connect( @@ -532,7 +532,7 @@ impl UnixDatagram { /// Ok(()) /// } /// ``` - #[stable(feature = "unix_socket_abstract", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "unix_socket_abstract", since = "1.70.0")] pub fn send_to_addr(&self, buf: &[u8], socket_addr: &SocketAddr) -> io::Result<usize> { unsafe { let count = cvt(libc::sendto( diff --git a/library/std/src/os/unix/net/listener.rs b/library/std/src/os/unix/net/listener.rs index 83f0debe676..5be8aebc70f 100644 --- a/library/std/src/os/unix/net/listener.rs +++ b/library/std/src/os/unix/net/listener.rs @@ -106,7 +106,7 @@ impl UnixListener { /// Ok(()) /// } /// ``` - #[stable(feature = "unix_socket_abstract", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "unix_socket_abstract", since = "1.70.0")] pub fn bind_addr(socket_addr: &SocketAddr) -> io::Result<UnixListener> { unsafe { let inner = Socket::new_raw(libc::AF_UNIX, libc::SOCK_STREAM)?; diff --git a/library/std/src/os/unix/net/stream.rs b/library/std/src/os/unix/net/stream.rs index 5aa3fb92576..bf2a51b5edb 100644 --- a/library/std/src/os/unix/net/stream.rs +++ b/library/std/src/os/unix/net/stream.rs @@ -122,7 +122,7 @@ impl UnixStream { /// Ok(()) /// } /// ```` - #[stable(feature = "unix_socket_abstract", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "unix_socket_abstract", since = "1.70.0")] pub fn connect_addr(socket_addr: &SocketAddr) -> io::Result<UnixStream> { unsafe { let inner = Socket::new_raw(libc::AF_UNIX, libc::SOCK_STREAM)?; diff --git a/library/std/src/os/windows/io/handle.rs b/library/std/src/os/windows/io/handle.rs index 11948cecad8..9b77cd8321b 100644 --- a/library/std/src/os/windows/io/handle.rs +++ b/library/std/src/os/windows/io/handle.rs @@ -389,7 +389,7 @@ macro_rules! impl_is_terminal { #[unstable(feature = "sealed", issue = "none")] impl crate::sealed::Sealed for $t {} - #[stable(feature = "is_terminal", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "is_terminal", since = "1.70.0")] impl crate::io::IsTerminal for $t { #[inline] fn is_terminal(&self) -> bool { diff --git a/library/std/src/path.rs b/library/std/src/path.rs index e5abd02a1bc..5b22333cc35 100644 --- a/library/std/src/path.rs +++ b/library/std/src/path.rs @@ -1509,7 +1509,7 @@ impl PathBuf { /// path.as_mut_os_string().push("baz"); /// assert_eq!(path, Path::new("/foo/barbaz")); /// ``` - #[stable(feature = "path_as_mut_os_str", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "path_as_mut_os_str", since = "1.70.0")] #[must_use] #[inline] pub fn as_mut_os_string(&mut self) -> &mut OsString { @@ -2074,7 +2074,7 @@ impl Path { /// path.as_mut_os_str().make_ascii_lowercase(); /// assert_eq!(path, Path::new("foo.txt")); /// ``` - #[stable(feature = "path_as_mut_os_str", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "path_as_mut_os_str", since = "1.70.0")] #[must_use] #[inline] pub fn as_mut_os_str(&mut self) -> &mut OsStr { diff --git a/library/std/src/prelude/v1.rs b/library/std/src/prelude/v1.rs index 2aefd7c513d..7a7a7737635 100644 --- a/library/std/src/prelude/v1.rs +++ b/library/std/src/prelude/v1.rs @@ -91,10 +91,10 @@ pub use core::prelude::v1::cfg_eval; )] pub use core::prelude::v1::type_ascribe; -// The file so far is equivalent to src/libcore/prelude/v1.rs, -// and below to src/liballoc/prelude.rs. -// Those files are duplicated rather than using glob imports -// because we want docs to show these re-exports as pointing to within `std`. +// The file so far is equivalent to core/src/prelude/v1.rs. It is duplicated +// rather than glob imported because we want docs to show these re-exports as +// pointing to within `std`. +// Below are the items from the alloc crate. #[stable(feature = "rust1", since = "1.0.0")] #[doc(no_inline)] diff --git a/library/std/src/primitive_docs.rs b/library/std/src/primitive_docs.rs index 3df990e5dd9..08ffc407ead 100644 --- a/library/std/src/primitive_docs.rs +++ b/library/std/src/primitive_docs.rs @@ -1,8 +1,7 @@ // `library/{std,core}/src/primitive_docs.rs` should have the same contents. // These are different files so that relative links work properly without // having to have `CARGO_PKG_NAME` set, but conceptually they should always be the same. -#[cfg_attr(bootstrap, doc(primitive = "bool"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "bool")] +#[rustc_doc_primitive = "bool"] #[doc(alias = "true")] #[doc(alias = "false")] /// The boolean type. @@ -64,8 +63,7 @@ #[stable(feature = "rust1", since = "1.0.0")] mod prim_bool {} -#[cfg_attr(bootstrap, doc(primitive = "never"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "never")] +#[rustc_doc_primitive = "never"] #[doc(alias = "!")] // /// The `!` type, also called "never". @@ -276,8 +274,7 @@ mod prim_bool {} #[unstable(feature = "never_type", issue = "35121")] mod prim_never {} -#[cfg_attr(bootstrap, doc(primitive = "char"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "char")] +#[rustc_doc_primitive = "char"] #[allow(rustdoc::invalid_rust_codeblocks)] /// A character type. /// @@ -401,8 +398,7 @@ mod prim_never {} #[stable(feature = "rust1", since = "1.0.0")] mod prim_char {} -#[cfg_attr(bootstrap, doc(primitive = "unit"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "unit")] +#[rustc_doc_primitive = "unit"] #[doc(alias = "(")] #[doc(alias = ")")] #[doc(alias = "()")] @@ -464,8 +460,7 @@ impl Copy for () { // empty } -#[cfg_attr(bootstrap, doc(primitive = "pointer"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "pointer")] +#[rustc_doc_primitive = "pointer"] #[doc(alias = "ptr")] #[doc(alias = "*")] #[doc(alias = "*const")] @@ -581,8 +576,7 @@ impl Copy for () { #[stable(feature = "rust1", since = "1.0.0")] mod prim_pointer {} -#[cfg_attr(bootstrap, doc(primitive = "array"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "array")] +#[rustc_doc_primitive = "array"] #[doc(alias = "[]")] #[doc(alias = "[T;N]")] // unfortunately, rustdoc doesn't have fuzzy search for aliases #[doc(alias = "[T; N]")] @@ -783,8 +777,7 @@ mod prim_pointer {} #[stable(feature = "rust1", since = "1.0.0")] mod prim_array {} -#[cfg_attr(bootstrap, doc(primitive = "slice"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "slice")] +#[rustc_doc_primitive = "slice"] #[doc(alias = "[")] #[doc(alias = "]")] #[doc(alias = "[]")] @@ -876,8 +869,7 @@ mod prim_array {} #[stable(feature = "rust1", since = "1.0.0")] mod prim_slice {} -#[cfg_attr(bootstrap, doc(primitive = "str"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "str")] +#[rustc_doc_primitive = "str"] /// String slices. /// /// *[See also the `std::str` module](crate::str).* @@ -944,8 +936,7 @@ mod prim_slice {} #[stable(feature = "rust1", since = "1.0.0")] mod prim_str {} -#[cfg_attr(bootstrap, doc(primitive = "tuple"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "tuple")] +#[rustc_doc_primitive = "tuple"] #[doc(alias = "(")] #[doc(alias = ")")] #[doc(alias = "()")] @@ -1088,8 +1079,7 @@ impl<T: Copy> Copy for (T,) { // empty } -#[cfg_attr(bootstrap, doc(primitive = "f32"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "f32")] +#[rustc_doc_primitive = "f32"] /// A 32-bit floating point type (specifically, the "binary32" type defined in IEEE 754-2008). /// /// This type can represent a wide range of decimal numbers, like `3.5`, `27`, @@ -1155,8 +1145,7 @@ impl<T: Copy> Copy for (T,) { #[stable(feature = "rust1", since = "1.0.0")] mod prim_f32 {} -#[cfg_attr(bootstrap, doc(primitive = "f64"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "f64")] +#[rustc_doc_primitive = "f64"] /// A 64-bit floating point type (specifically, the "binary64" type defined in IEEE 754-2008). /// /// This type is very similar to [`f32`], but has increased @@ -1171,78 +1160,67 @@ mod prim_f32 {} #[stable(feature = "rust1", since = "1.0.0")] mod prim_f64 {} -#[cfg_attr(bootstrap, doc(primitive = "i8"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "i8")] +#[rustc_doc_primitive = "i8"] // /// The 8-bit signed integer type. #[stable(feature = "rust1", since = "1.0.0")] mod prim_i8 {} -#[cfg_attr(bootstrap, doc(primitive = "i16"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "i16")] +#[rustc_doc_primitive = "i16"] // /// The 16-bit signed integer type. #[stable(feature = "rust1", since = "1.0.0")] mod prim_i16 {} -#[cfg_attr(bootstrap, doc(primitive = "i32"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "i32")] +#[rustc_doc_primitive = "i32"] // /// The 32-bit signed integer type. #[stable(feature = "rust1", since = "1.0.0")] mod prim_i32 {} -#[cfg_attr(bootstrap, doc(primitive = "i64"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "i64")] +#[rustc_doc_primitive = "i64"] // /// The 64-bit signed integer type. #[stable(feature = "rust1", since = "1.0.0")] mod prim_i64 {} -#[cfg_attr(bootstrap, doc(primitive = "i128"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "i128")] +#[rustc_doc_primitive = "i128"] // /// The 128-bit signed integer type. #[stable(feature = "i128", since = "1.26.0")] mod prim_i128 {} -#[cfg_attr(bootstrap, doc(primitive = "u8"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "u8")] +#[rustc_doc_primitive = "u8"] // /// The 8-bit unsigned integer type. #[stable(feature = "rust1", since = "1.0.0")] mod prim_u8 {} -#[cfg_attr(bootstrap, doc(primitive = "u16"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "u16")] +#[rustc_doc_primitive = "u16"] // /// The 16-bit unsigned integer type. #[stable(feature = "rust1", since = "1.0.0")] mod prim_u16 {} -#[cfg_attr(bootstrap, doc(primitive = "u32"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "u32")] +#[rustc_doc_primitive = "u32"] // /// The 32-bit unsigned integer type. #[stable(feature = "rust1", since = "1.0.0")] mod prim_u32 {} -#[cfg_attr(bootstrap, doc(primitive = "u64"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "u64")] +#[rustc_doc_primitive = "u64"] // /// The 64-bit unsigned integer type. #[stable(feature = "rust1", since = "1.0.0")] mod prim_u64 {} -#[cfg_attr(bootstrap, doc(primitive = "u128"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "u128")] +#[rustc_doc_primitive = "u128"] // /// The 128-bit unsigned integer type. #[stable(feature = "i128", since = "1.26.0")] mod prim_u128 {} -#[cfg_attr(bootstrap, doc(primitive = "isize"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "isize")] +#[rustc_doc_primitive = "isize"] // /// The pointer-sized signed integer type. /// @@ -1252,8 +1230,7 @@ mod prim_u128 {} #[stable(feature = "rust1", since = "1.0.0")] mod prim_isize {} -#[cfg_attr(bootstrap, doc(primitive = "usize"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "usize")] +#[rustc_doc_primitive = "usize"] // /// The pointer-sized unsigned integer type. /// @@ -1263,8 +1240,7 @@ mod prim_isize {} #[stable(feature = "rust1", since = "1.0.0")] mod prim_usize {} -#[cfg_attr(bootstrap, doc(primitive = "reference"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "reference")] +#[rustc_doc_primitive = "reference"] #[doc(alias = "&")] #[doc(alias = "&mut")] // @@ -1396,8 +1372,7 @@ mod prim_usize {} #[stable(feature = "rust1", since = "1.0.0")] mod prim_ref {} -#[cfg_attr(bootstrap, doc(primitive = "fn"))] -#[cfg_attr(not(bootstrap), rustc_doc_primitive = "fn")] +#[rustc_doc_primitive = "fn"] // /// Function pointers, like `fn(usize) -> bool`. /// diff --git a/library/std/src/sync/mod.rs b/library/std/src/sync/mod.rs index 19641753ffe..f6a7c0a9f75 100644 --- a/library/std/src/sync/mod.rs +++ b/library/std/src/sync/mod.rs @@ -177,7 +177,7 @@ pub use self::rwlock::{RwLock, RwLockReadGuard, RwLockWriteGuard}; #[unstable(feature = "lazy_cell", issue = "109736")] pub use self::lazy_lock::LazyLock; -#[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "once_cell", since = "1.70.0")] pub use self::once_lock::OnceLock; pub(crate) use self::remutex::{ReentrantMutex, ReentrantMutexGuard}; diff --git a/library/std/src/sync/once_lock.rs b/library/std/src/sync/once_lock.rs index 36951c4f13e..e83bc35ee98 100644 --- a/library/std/src/sync/once_lock.rs +++ b/library/std/src/sync/once_lock.rs @@ -30,7 +30,7 @@ use crate::sync::Once; /// assert!(value.is_some()); /// assert_eq!(value.unwrap().as_str(), "Hello, World!"); /// ``` -#[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "once_cell", since = "1.70.0")] pub struct OnceLock<T> { once: Once, // Whether or not the value is initialized is tracked by `once.is_completed()`. @@ -59,8 +59,8 @@ impl<T> OnceLock<T> { /// Creates a new empty cell. #[inline] #[must_use] - #[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "once_cell", since = "1.70.0")] + #[rustc_const_stable(feature = "once_cell", since = "1.70.0")] pub const fn new() -> OnceLock<T> { OnceLock { once: Once::new(), @@ -74,7 +74,7 @@ impl<T> OnceLock<T> { /// Returns `None` if the cell is empty, or being initialized. This /// method never blocks. #[inline] - #[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "once_cell", since = "1.70.0")] pub fn get(&self) -> Option<&T> { if self.is_initialized() { // Safe b/c checked is_initialized @@ -88,7 +88,7 @@ impl<T> OnceLock<T> { /// /// Returns `None` if the cell is empty. This method never blocks. #[inline] - #[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "once_cell", since = "1.70.0")] pub fn get_mut(&mut self) -> Option<&mut T> { if self.is_initialized() { // Safe b/c checked is_initialized and we have a unique access @@ -124,7 +124,7 @@ impl<T> OnceLock<T> { /// } /// ``` #[inline] - #[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "once_cell", since = "1.70.0")] pub fn set(&self, value: T) -> Result<(), T> { let mut value = Some(value); self.get_or_init(|| value.take().unwrap()); @@ -162,7 +162,7 @@ impl<T> OnceLock<T> { /// assert_eq!(value, &92); /// ``` #[inline] - #[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "once_cell", since = "1.70.0")] pub fn get_or_init<F>(&self, f: F) -> &T where F: FnOnce() -> T, @@ -239,7 +239,7 @@ impl<T> OnceLock<T> { /// assert_eq!(cell.into_inner(), Some("hello".to_string())); /// ``` #[inline] - #[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "once_cell", since = "1.70.0")] pub fn into_inner(mut self) -> Option<T> { self.take() } @@ -264,7 +264,7 @@ impl<T> OnceLock<T> { /// assert_eq!(cell.get(), None); /// ``` #[inline] - #[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "once_cell", since = "1.70.0")] pub fn take(&mut self) -> Option<T> { if self.is_initialized() { self.once = Once::new(); @@ -333,17 +333,17 @@ impl<T> OnceLock<T> { // scoped thread B, which fills the cell, which is // then destroyed by A. That is, destructor observes // a sent value. -#[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "once_cell", since = "1.70.0")] unsafe impl<T: Sync + Send> Sync for OnceLock<T> {} -#[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "once_cell", since = "1.70.0")] unsafe impl<T: Send> Send for OnceLock<T> {} -#[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "once_cell", since = "1.70.0")] impl<T: RefUnwindSafe + UnwindSafe> RefUnwindSafe for OnceLock<T> {} -#[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "once_cell", since = "1.70.0")] impl<T: UnwindSafe> UnwindSafe for OnceLock<T> {} -#[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "once_cell", since = "1.70.0")] impl<T> Default for OnceLock<T> { /// Creates a new empty cell. /// @@ -362,7 +362,7 @@ impl<T> Default for OnceLock<T> { } } -#[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "once_cell", since = "1.70.0")] impl<T: fmt::Debug> fmt::Debug for OnceLock<T> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { match self.get() { @@ -372,7 +372,7 @@ impl<T: fmt::Debug> fmt::Debug for OnceLock<T> { } } -#[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "once_cell", since = "1.70.0")] impl<T: Clone> Clone for OnceLock<T> { #[inline] fn clone(&self) -> OnceLock<T> { @@ -387,7 +387,7 @@ impl<T: Clone> Clone for OnceLock<T> { } } -#[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "once_cell", since = "1.70.0")] impl<T> From<T> for OnceLock<T> { /// Create a new cell with its contents set to `value`. /// @@ -414,7 +414,7 @@ impl<T> From<T> for OnceLock<T> { } } -#[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "once_cell", since = "1.70.0")] impl<T: PartialEq> PartialEq for OnceLock<T> { #[inline] fn eq(&self, other: &OnceLock<T>) -> bool { @@ -422,10 +422,10 @@ impl<T: PartialEq> PartialEq for OnceLock<T> { } } -#[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "once_cell", since = "1.70.0")] impl<T: Eq> Eq for OnceLock<T> {} -#[stable(feature = "once_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "once_cell", since = "1.70.0")] unsafe impl<#[may_dangle] T> Drop for OnceLock<T> { #[inline] fn drop(&mut self) { diff --git a/library/std/src/sys/common/thread_local/fast_local.rs b/library/std/src/sys/common/thread_local/fast_local.rs index 914e017f7ff..447044a798b 100644 --- a/library/std/src/sys/common/thread_local/fast_local.rs +++ b/library/std/src/sys/common/thread_local/fast_local.rs @@ -11,7 +11,7 @@ use crate::{fmt, mem, panic}; pub macro thread_local_inner { // used to generate the `LocalKey` value for const-initialized thread locals (@key $t:ty, const $init:expr) => {{ - #[cfg_attr(not(bootstrap), inline)] + #[inline] #[deny(unsafe_op_in_unsafe_fn)] unsafe fn __getit( _init: $crate::option::Option<&mut $crate::option::Option<$t>>, @@ -78,7 +78,7 @@ pub macro thread_local_inner { #[inline] fn __init() -> $t { $init } - #[cfg_attr(not(bootstrap), inline)] + #[inline] unsafe fn __getit( init: $crate::option::Option<&mut $crate::option::Option<$t>>, ) -> $crate::option::Option<&'static $t> { diff --git a/library/std/src/sys/common/thread_local/os_local.rs b/library/std/src/sys/common/thread_local/os_local.rs index e9516f9983f..d004897df28 100644 --- a/library/std/src/sys/common/thread_local/os_local.rs +++ b/library/std/src/sys/common/thread_local/os_local.rs @@ -11,7 +11,7 @@ use crate::{fmt, marker, panic, ptr}; pub macro thread_local_inner { // used to generate the `LocalKey` value for const-initialized thread locals (@key $t:ty, const $init:expr) => {{ - #[cfg_attr(not(bootstrap), inline)] + #[inline] #[deny(unsafe_op_in_unsafe_fn)] unsafe fn __getit( _init: $crate::option::Option<&mut $crate::option::Option<$t>>, diff --git a/library/std/src/sys/windows/fs.rs b/library/std/src/sys/windows/fs.rs index 956db577d53..8ed62cdddcd 100644 --- a/library/std/src/sys/windows/fs.rs +++ b/library/std/src/sys/windows/fs.rs @@ -1132,26 +1132,29 @@ fn remove_dir_all_iterative(f: &File, delete: fn(&File) -> io::Result<()>) -> io &dir, &name, c::SYNCHRONIZE | c::DELETE | c::FILE_LIST_DIRECTORY, - )?; - dirlist.push(child_dir); - } else { - for i in 1..=MAX_RETRIES { - let result = open_link_no_reparse(&dir, &name, c::SYNCHRONIZE | c::DELETE); - match result { - Ok(f) => delete(&f)?, - // Already deleted, so skip. - Err(e) if e.kind() == io::ErrorKind::NotFound => break, - // Retry a few times if the file is locked or a delete is already in progress. - Err(e) - if i < MAX_RETRIES - && (e.raw_os_error() == Some(c::ERROR_DELETE_PENDING as _) - || e.raw_os_error() - == Some(c::ERROR_SHARING_VIOLATION as _)) => {} - // Otherwise return the error. - Err(e) => return Err(e), - } - thread::yield_now(); + ); + // On success, add the handle to the queue. + // If opening the directory fails we treat it the same as a file + if let Ok(child_dir) = child_dir { + dirlist.push(child_dir); + continue; + } + } + for i in 1..=MAX_RETRIES { + let result = open_link_no_reparse(&dir, &name, c::SYNCHRONIZE | c::DELETE); + match result { + Ok(f) => delete(&f)?, + // Already deleted, so skip. + Err(e) if e.kind() == io::ErrorKind::NotFound => break, + // Retry a few times if the file is locked or a delete is already in progress. + Err(e) + if i < MAX_RETRIES + && (e.raw_os_error() == Some(c::ERROR_DELETE_PENDING as _) + || e.raw_os_error() == Some(c::ERROR_SHARING_VIOLATION as _)) => {} + // Otherwise return the error. + Err(e) => return Err(e), } + thread::yield_now(); } } // If there were no more files then delete the directory. diff --git a/library/std/src/sys_common/thread_local_key.rs b/library/std/src/sys_common/thread_local_key.rs index 89360e45601..204834984a2 100644 --- a/library/std/src/sys_common/thread_local_key.rs +++ b/library/std/src/sys_common/thread_local_key.rs @@ -87,31 +87,6 @@ pub struct StaticKey { dtor: Option<unsafe extern "C" fn(*mut u8)>, } -/// A type for a safely managed OS-based TLS slot. -/// -/// This type allocates an OS TLS key when it is initialized and will deallocate -/// the key when it falls out of scope. When compared with `StaticKey`, this -/// type is entirely safe to use. -/// -/// Implementations will likely, however, contain unsafe code as this type only -/// operates on `*mut u8`, a raw pointer. -/// -/// # Examples -/// -/// ```ignore (cannot-doctest-private-modules) -/// use tls::os::Key; -/// -/// let key = Key::new(None); -/// assert!(key.get().is_null()); -/// key.set(1 as *mut u8); -/// assert!(!key.get().is_null()); -/// -/// drop(key); // deallocate this TLS slot. -/// ``` -pub struct Key { - key: imp::Key, -} - /// Constant initialization value for static TLS keys. /// /// This value specifies no destructor by default. @@ -194,39 +169,3 @@ impl StaticKey { } } } - -impl Key { - /// Creates a new managed OS TLS key. - /// - /// This key will be deallocated when the key falls out of scope. - /// - /// The argument provided is an optionally-specified destructor for the - /// value of this TLS key. When a thread exits and the value for this key - /// is non-null the destructor will be invoked. The TLS value will be reset - /// to null before the destructor is invoked. - /// - /// Note that the destructor will not be run when the `Key` goes out of - /// scope. - #[inline] - pub fn new(dtor: Option<unsafe extern "C" fn(*mut u8)>) -> Key { - Key { key: unsafe { imp::create(dtor) } } - } - - /// See StaticKey::get - #[inline] - pub fn get(&self) -> *mut u8 { - unsafe { imp::get(self.key) } - } - - /// See StaticKey::set - #[inline] - pub fn set(&self, val: *mut u8) { - unsafe { imp::set(self.key, val) } - } -} - -impl Drop for Key { - fn drop(&mut self) { - unsafe { imp::destroy(self.key) } - } -} diff --git a/library/std/src/sys_common/thread_local_key/tests.rs b/library/std/src/sys_common/thread_local_key/tests.rs index 6f32b858f09..6a44c65d918 100644 --- a/library/std/src/sys_common/thread_local_key/tests.rs +++ b/library/std/src/sys_common/thread_local_key/tests.rs @@ -1,24 +1,6 @@ -use super::{Key, StaticKey}; +use super::StaticKey; use core::ptr; -fn assert_sync<T: Sync>() {} -fn assert_send<T: Send>() {} - -#[test] -fn smoke() { - assert_sync::<Key>(); - assert_send::<Key>(); - - let k1 = Key::new(None); - let k2 = Key::new(None); - assert!(k1.get().is_null()); - assert!(k2.get().is_null()); - k1.set(ptr::invalid_mut(1)); - k2.set(ptr::invalid_mut(2)); - assert_eq!(k1.get() as usize, 1); - assert_eq!(k2.get() as usize, 2); -} - #[test] fn statik() { static K1: StaticKey = StaticKey::new(None); diff --git a/library/std/src/thread/local.rs b/library/std/src/thread/local.rs index fa08fdc1653..3b7c31826b9 100644 --- a/library/std/src/thread/local.rs +++ b/library/std/src/thread/local.rs @@ -134,10 +134,28 @@ impl<T: 'static> fmt::Debug for LocalKey<T> { /// thread_local! { /// pub static FOO: RefCell<u32> = RefCell::new(1); /// -/// #[allow(unused)] /// static BAR: RefCell<f32> = RefCell::new(1.0); /// } -/// # fn main() {} +/// +/// FOO.with(|foo| assert_eq!(*foo.borrow(), 1)); +/// BAR.with(|bar| assert_eq!(*bar.borrow(), 1.0)); +/// ``` +/// +/// This macro supports a special `const {}` syntax that can be used +/// when the initialization expression can be evaluated as a constant. +/// This can enable a more efficient thread local implementation that +/// can avoid lazy initialization. For types that do not +/// [need to be dropped][crate::mem::needs_drop], this can enable an +/// even more efficient implementation that does not need to +/// track any additional state. +/// +/// ``` +/// use std::cell::Cell; +/// thread_local! { +/// pub static FOO: Cell<u32> = const { Cell::new(1) }; +/// } +/// +/// FOO.with(|foo| assert_eq!(foo.get(), 1)); /// ``` /// /// See [`LocalKey` documentation][`std::thread::LocalKey`] for more diff --git a/library/test/src/formatters/json.rs b/library/test/src/formatters/json.rs index 40976ec5e1c..8572d1c20ce 100644 --- a/library/test/src/formatters/json.rs +++ b/library/test/src/formatters/json.rs @@ -69,30 +69,14 @@ impl<T: Write> OutputFormatter for JsonFormatter<T> { name, ignore, ignore_message, - #[cfg(not(bootstrap))] source_file, - #[cfg(not(bootstrap))] start_line, - #[cfg(not(bootstrap))] start_col, - #[cfg(not(bootstrap))] end_line, - #[cfg(not(bootstrap))] end_col, .. } = desc; - #[cfg(bootstrap)] - let source_file = ""; - #[cfg(bootstrap)] - let start_line = 0; - #[cfg(bootstrap)] - let start_col = 0; - #[cfg(bootstrap)] - let end_line = 0; - #[cfg(bootstrap)] - let end_col = 0; - self.writeln_message(&format!( r#"{{ "type": "{test_type}", "event": "discovered", "name": "{}", "ignore": {ignore}, "ignore_message": "{}", "source_path": "{}", "start_line": {start_line}, "start_col": {start_col}, "end_line": {end_line}, "end_col": {end_col} }}"#, EscapedString(name.as_slice()), diff --git a/library/test/src/tests.rs b/library/test/src/tests.rs index 5ffdbf73fbf..c34583e6959 100644 --- a/library/test/src/tests.rs +++ b/library/test/src/tests.rs @@ -63,15 +63,10 @@ fn one_ignored_one_unignored_test() -> Vec<TestDescAndFn> { name: StaticTestName("1"), ignore: true, ignore_message: None, - #[cfg(not(bootstrap))] source_file: "", - #[cfg(not(bootstrap))] start_line: 0, - #[cfg(not(bootstrap))] start_col: 0, - #[cfg(not(bootstrap))] end_line: 0, - #[cfg(not(bootstrap))] end_col: 0, should_panic: ShouldPanic::No, compile_fail: false, @@ -85,15 +80,10 @@ fn one_ignored_one_unignored_test() -> Vec<TestDescAndFn> { name: StaticTestName("2"), ignore: false, ignore_message: None, - #[cfg(not(bootstrap))] source_file: "", - #[cfg(not(bootstrap))] start_line: 0, - #[cfg(not(bootstrap))] start_col: 0, - #[cfg(not(bootstrap))] end_line: 0, - #[cfg(not(bootstrap))] end_col: 0, should_panic: ShouldPanic::No, compile_fail: false, @@ -115,15 +105,10 @@ pub fn do_not_run_ignored_tests() { name: StaticTestName("whatever"), ignore: true, ignore_message: None, - #[cfg(not(bootstrap))] source_file: "", - #[cfg(not(bootstrap))] start_line: 0, - #[cfg(not(bootstrap))] start_col: 0, - #[cfg(not(bootstrap))] end_line: 0, - #[cfg(not(bootstrap))] end_col: 0, should_panic: ShouldPanic::No, compile_fail: false, @@ -148,15 +133,10 @@ pub fn ignored_tests_result_in_ignored() { name: StaticTestName("whatever"), ignore: true, ignore_message: None, - #[cfg(not(bootstrap))] source_file: "", - #[cfg(not(bootstrap))] start_line: 0, - #[cfg(not(bootstrap))] start_col: 0, - #[cfg(not(bootstrap))] end_line: 0, - #[cfg(not(bootstrap))] end_col: 0, should_panic: ShouldPanic::No, compile_fail: false, @@ -183,15 +163,10 @@ fn test_should_panic() { name: StaticTestName("whatever"), ignore: false, ignore_message: None, - #[cfg(not(bootstrap))] source_file: "", - #[cfg(not(bootstrap))] start_line: 0, - #[cfg(not(bootstrap))] start_col: 0, - #[cfg(not(bootstrap))] end_line: 0, - #[cfg(not(bootstrap))] end_col: 0, should_panic: ShouldPanic::Yes, compile_fail: false, @@ -218,15 +193,10 @@ fn test_should_panic_good_message() { name: StaticTestName("whatever"), ignore: false, ignore_message: None, - #[cfg(not(bootstrap))] source_file: "", - #[cfg(not(bootstrap))] start_line: 0, - #[cfg(not(bootstrap))] start_col: 0, - #[cfg(not(bootstrap))] end_line: 0, - #[cfg(not(bootstrap))] end_col: 0, should_panic: ShouldPanic::YesWithMessage("error message"), compile_fail: false, @@ -258,15 +228,10 @@ fn test_should_panic_bad_message() { name: StaticTestName("whatever"), ignore: false, ignore_message: None, - #[cfg(not(bootstrap))] source_file: "", - #[cfg(not(bootstrap))] start_line: 0, - #[cfg(not(bootstrap))] start_col: 0, - #[cfg(not(bootstrap))] end_line: 0, - #[cfg(not(bootstrap))] end_col: 0, should_panic: ShouldPanic::YesWithMessage(expected), compile_fail: false, @@ -302,15 +267,10 @@ fn test_should_panic_non_string_message_type() { name: StaticTestName("whatever"), ignore: false, ignore_message: None, - #[cfg(not(bootstrap))] source_file: "", - #[cfg(not(bootstrap))] start_line: 0, - #[cfg(not(bootstrap))] start_col: 0, - #[cfg(not(bootstrap))] end_line: 0, - #[cfg(not(bootstrap))] end_col: 0, should_panic: ShouldPanic::YesWithMessage(expected), compile_fail: false, @@ -340,15 +300,10 @@ fn test_should_panic_but_succeeds() { name: StaticTestName("whatever"), ignore: false, ignore_message: None, - #[cfg(not(bootstrap))] source_file: "", - #[cfg(not(bootstrap))] start_line: 0, - #[cfg(not(bootstrap))] start_col: 0, - #[cfg(not(bootstrap))] end_line: 0, - #[cfg(not(bootstrap))] end_col: 0, should_panic, compile_fail: false, @@ -378,15 +333,10 @@ fn report_time_test_template(report_time: bool) -> Option<TestExecTime> { name: StaticTestName("whatever"), ignore: false, ignore_message: None, - #[cfg(not(bootstrap))] source_file: "", - #[cfg(not(bootstrap))] start_line: 0, - #[cfg(not(bootstrap))] start_col: 0, - #[cfg(not(bootstrap))] end_line: 0, - #[cfg(not(bootstrap))] end_col: 0, should_panic: ShouldPanic::No, compile_fail: false, @@ -425,15 +375,10 @@ fn time_test_failure_template(test_type: TestType) -> TestResult { name: StaticTestName("whatever"), ignore: false, ignore_message: None, - #[cfg(not(bootstrap))] source_file: "", - #[cfg(not(bootstrap))] start_line: 0, - #[cfg(not(bootstrap))] start_col: 0, - #[cfg(not(bootstrap))] end_line: 0, - #[cfg(not(bootstrap))] end_col: 0, should_panic: ShouldPanic::No, compile_fail: false, @@ -474,15 +419,10 @@ fn typed_test_desc(test_type: TestType) -> TestDesc { name: StaticTestName("whatever"), ignore: false, ignore_message: None, - #[cfg(not(bootstrap))] source_file: "", - #[cfg(not(bootstrap))] start_line: 0, - #[cfg(not(bootstrap))] start_col: 0, - #[cfg(not(bootstrap))] end_line: 0, - #[cfg(not(bootstrap))] end_col: 0, should_panic: ShouldPanic::No, compile_fail: false, @@ -596,15 +536,10 @@ pub fn exclude_should_panic_option() { name: StaticTestName("3"), ignore: false, ignore_message: None, - #[cfg(not(bootstrap))] source_file: "", - #[cfg(not(bootstrap))] start_line: 0, - #[cfg(not(bootstrap))] start_col: 0, - #[cfg(not(bootstrap))] end_line: 0, - #[cfg(not(bootstrap))] end_col: 0, should_panic: ShouldPanic::Yes, compile_fail: false, @@ -630,15 +565,10 @@ pub fn exact_filter_match() { name: StaticTestName(name), ignore: false, ignore_message: None, - #[cfg(not(bootstrap))] source_file: "", - #[cfg(not(bootstrap))] start_line: 0, - #[cfg(not(bootstrap))] start_col: 0, - #[cfg(not(bootstrap))] end_line: 0, - #[cfg(not(bootstrap))] end_col: 0, should_panic: ShouldPanic::No, compile_fail: false, @@ -731,15 +661,10 @@ fn sample_tests() -> Vec<TestDescAndFn> { name: DynTestName((*name).clone()), ignore: false, ignore_message: None, - #[cfg(not(bootstrap))] source_file: "", - #[cfg(not(bootstrap))] start_line: 0, - #[cfg(not(bootstrap))] start_col: 0, - #[cfg(not(bootstrap))] end_line: 0, - #[cfg(not(bootstrap))] end_col: 0, should_panic: ShouldPanic::No, compile_fail: false, @@ -870,15 +795,10 @@ pub fn test_bench_no_iter() { name: StaticTestName("f"), ignore: false, ignore_message: None, - #[cfg(not(bootstrap))] source_file: "", - #[cfg(not(bootstrap))] start_line: 0, - #[cfg(not(bootstrap))] start_col: 0, - #[cfg(not(bootstrap))] end_line: 0, - #[cfg(not(bootstrap))] end_col: 0, should_panic: ShouldPanic::No, compile_fail: false, @@ -903,15 +823,10 @@ pub fn test_bench_iter() { name: StaticTestName("f"), ignore: false, ignore_message: None, - #[cfg(not(bootstrap))] source_file: "", - #[cfg(not(bootstrap))] start_line: 0, - #[cfg(not(bootstrap))] start_col: 0, - #[cfg(not(bootstrap))] end_line: 0, - #[cfg(not(bootstrap))] end_col: 0, should_panic: ShouldPanic::No, compile_fail: false, @@ -929,15 +844,10 @@ fn should_sort_failures_before_printing_them() { name: StaticTestName("a"), ignore: false, ignore_message: None, - #[cfg(not(bootstrap))] source_file: "", - #[cfg(not(bootstrap))] start_line: 0, - #[cfg(not(bootstrap))] start_col: 0, - #[cfg(not(bootstrap))] end_line: 0, - #[cfg(not(bootstrap))] end_col: 0, should_panic: ShouldPanic::No, compile_fail: false, @@ -949,15 +859,10 @@ fn should_sort_failures_before_printing_them() { name: StaticTestName("b"), ignore: false, ignore_message: None, - #[cfg(not(bootstrap))] source_file: "", - #[cfg(not(bootstrap))] start_line: 0, - #[cfg(not(bootstrap))] start_col: 0, - #[cfg(not(bootstrap))] end_line: 0, - #[cfg(not(bootstrap))] end_col: 0, should_panic: ShouldPanic::No, compile_fail: false, @@ -1006,15 +911,10 @@ fn test_dyn_bench_returning_err_fails_when_run_as_test() { name: StaticTestName("whatever"), ignore: false, ignore_message: None, - #[cfg(not(bootstrap))] source_file: "", - #[cfg(not(bootstrap))] start_line: 0, - #[cfg(not(bootstrap))] start_col: 0, - #[cfg(not(bootstrap))] end_line: 0, - #[cfg(not(bootstrap))] end_col: 0, should_panic: ShouldPanic::No, compile_fail: false, diff --git a/library/test/src/types.rs b/library/test/src/types.rs index 8d4e204c8ac..e79914dbf4b 100644 --- a/library/test/src/types.rs +++ b/library/test/src/types.rs @@ -119,15 +119,10 @@ pub struct TestDesc { pub name: TestName, pub ignore: bool, pub ignore_message: Option<&'static str>, - #[cfg(not(bootstrap))] pub source_file: &'static str, - #[cfg(not(bootstrap))] pub start_line: usize, - #[cfg(not(bootstrap))] pub start_col: usize, - #[cfg(not(bootstrap))] pub end_line: usize, - #[cfg(not(bootstrap))] pub end_col: usize, pub should_panic: options::ShouldPanic, pub compile_fail: bool, diff --git a/src/bootstrap/bootstrap.py b/src/bootstrap/bootstrap.py index 680a8da6adf..9c6c917ac4a 100644 --- a/src/bootstrap/bootstrap.py +++ b/src/bootstrap/bootstrap.py @@ -209,19 +209,25 @@ def default_build_triple(verbose): # install, use their preference. This fixes most issues with Windows builds # being detected as GNU instead of MSVC. default_encoding = sys.getdefaultencoding() - try: - version = subprocess.check_output(["rustc", "--version", "--verbose"], - stderr=subprocess.DEVNULL) - version = version.decode(default_encoding) - host = next(x for x in version.split('\n') if x.startswith("host: ")) - triple = host.split("host: ")[1] - if verbose: - print("detected default triple {} from pre-installed rustc".format(triple)) - return triple - except Exception as e: + + if sys.platform == 'darwin': if verbose: - print("pre-installed rustc not detected: {}".format(e)) + print("not using rustc detection as it is unreliable on macOS") print("falling back to auto-detect") + else: + try: + version = subprocess.check_output(["rustc", "--version", "--verbose"], + stderr=subprocess.DEVNULL) + version = version.decode(default_encoding) + host = next(x for x in version.split('\n') if x.startswith("host: ")) + triple = host.split("host: ")[1] + if verbose: + print("detected default triple {} from pre-installed rustc".format(triple)) + return triple + except Exception as e: + if verbose: + print("pre-installed rustc not detected: {}".format(e)) + print("falling back to auto-detect") required = sys.platform != 'win32' ostype = require(["uname", "-s"], exit=required) diff --git a/src/bootstrap/bootstrap_test.py b/src/bootstrap/bootstrap_test.py index 26bd80a008f..5ecda83ee66 100644 --- a/src/bootstrap/bootstrap_test.py +++ b/src/bootstrap/bootstrap_test.py @@ -112,6 +112,14 @@ class GenerateAndParseConfig(unittest.TestCase): build = self.serialize_and_parse(["--set", "profile=compiler"]) self.assertEqual(build.get_toml("profile"), 'compiler') + def test_set_codegen_backends(self): + build = self.serialize_and_parse(["--set", "rust.codegen-backends=cranelift"]) + self.assertNotEqual(build.config_toml.find("codegen-backends = ['cranelift']"), -1) + build = self.serialize_and_parse(["--set", "rust.codegen-backends=cranelift,llvm"]) + self.assertNotEqual(build.config_toml.find("codegen-backends = ['cranelift', 'llvm']"), -1) + build = self.serialize_and_parse(["--enable-full-tools"]) + self.assertNotEqual(build.config_toml.find("codegen-backends = ['llvm']"), -1) + if __name__ == '__main__': SUITE = unittest.TestSuite() TEST_LOADER = unittest.TestLoader() diff --git a/src/bootstrap/configure.py b/src/bootstrap/configure.py index dd1851e29a9..571062a3a6f 100755 --- a/src/bootstrap/configure.py +++ b/src/bootstrap/configure.py @@ -153,8 +153,7 @@ v("experimental-targets", "llvm.experimental-targets", "experimental LLVM targets to build") v("release-channel", "rust.channel", "the name of the release channel to build") v("release-description", "rust.description", "optional descriptive string for version output") -v("dist-compression-formats", None, - "comma-separated list of compression formats to use") +v("dist-compression-formats", None, "List of compression formats to use") # Used on systems where "cc" is unavailable v("default-linker", "rust.default-linker", "the default linker") @@ -168,8 +167,8 @@ o("extended", "build.extended", "build an extended rust tool set") v("tools", None, "List of extended tools will be installed") v("codegen-backends", None, "List of codegen backends to build") v("build", "build.build", "GNUs ./configure syntax LLVM build triple") -v("host", None, "GNUs ./configure syntax LLVM host triples") -v("target", None, "GNUs ./configure syntax LLVM target triples") +v("host", None, "List of GNUs ./configure syntax LLVM host triples") +v("target", None, "List of GNUs ./configure syntax LLVM target triples") v("set", None, "set arbitrary key/value pairs in TOML configuration") @@ -182,6 +181,11 @@ def err(msg): print("configure: error: " + msg) sys.exit(1) +def is_value_list(key): + for option in options: + if option.name == key and option.desc.startswith('List of'): + return True + return False if '--help' in sys.argv or '-h' in sys.argv: print('Usage: ./configure [options]') @@ -295,6 +299,8 @@ def set(key, value, config): parts = key.split('.') for i, part in enumerate(parts): if i == len(parts) - 1: + if is_value_list(part) and isinstance(value, str): + value = value.split(',') arr[part] = value else: if part not in arr: diff --git a/src/bootstrap/lib.rs b/src/bootstrap/lib.rs index 238d167c4c2..14e1328171b 100644 --- a/src/bootstrap/lib.rs +++ b/src/bootstrap/lib.rs @@ -131,8 +131,7 @@ const EXTRA_CHECK_CFGS: &[(Option<Mode>, &'static str, Option<&[&'static str]>)] /* Extra values not defined in the built-in targets yet, but used in std */ (Some(Mode::Std), "target_env", Some(&["libnx"])), // (Some(Mode::Std), "target_os", Some(&[])), - // #[cfg(bootstrap)] loongarch64 - (Some(Mode::Std), "target_arch", Some(&["asmjs", "spirv", "nvptx", "xtensa", "loongarch64"])), + (Some(Mode::Std), "target_arch", Some(&["asmjs", "spirv", "nvptx", "xtensa"])), /* Extra names used by dependencies */ // FIXME: Used by serde_json, but we should not be triggering on external dependencies. (Some(Mode::Rustc), "no_btreemap_remove_entry", None), @@ -152,8 +151,6 @@ const EXTRA_CHECK_CFGS: &[(Option<Mode>, &'static str, Option<&[&'static str]>)] // Needed to avoid the need to copy windows.lib into the sysroot. (Some(Mode::Rustc), "windows_raw_dylib", None), (Some(Mode::ToolRustc), "windows_raw_dylib", None), - // #[cfg(bootstrap)] ohos - (Some(Mode::Std), "target_env", Some(&["ohos"])), ]; /// A structure representing a Rust compiler. diff --git a/src/ci/scripts/install-awscli.sh b/src/ci/scripts/install-awscli.sh index 3d8f0de7a39..aa62407eaea 100755 --- a/src/ci/scripts/install-awscli.sh +++ b/src/ci/scripts/install-awscli.sh @@ -10,15 +10,14 @@ # # Before compressing please make sure all the wheels end with `-none-any.whl`. # If that's not the case you'll need to remove the non-cross-platform ones and -# replace them with the .tar.gz downloaded from https://pypi.org. Also make -# sure it's possible to call this script with both Python 2 and Python 3. +# replace them with the .tar.gz downloaded from https://pypi.org. set -euo pipefail IFS=$'\n\t' source "$(cd "$(dirname "$0")" && pwd)/../shared.sh" -MIRROR="${MIRRORS_BASE}/2019-07-27-awscli.tar" +MIRROR="${MIRRORS_BASE}/2023-04-28-awscli.tar" DEPS_DIR="/tmp/awscli-deps" pip="pip" @@ -29,6 +28,8 @@ if isLinux; then sudo apt-get install -y python3-setuptools python3-wheel ciCommandAddPath "${HOME}/.local/bin" +elif isMacOS; then + pip="pip3" fi mkdir -p "${DEPS_DIR}" diff --git a/src/doc/rustdoc/src/scraped-examples.md b/src/doc/rustdoc/src/scraped-examples.md index d75f6d522e8..7197e01c8e3 100644 --- a/src/doc/rustdoc/src/scraped-examples.md +++ b/src/doc/rustdoc/src/scraped-examples.md @@ -24,14 +24,14 @@ Then this code snippet will be included in the documentation for `a_func`. This This feature is unstable, so you can enable it by calling Rustdoc with the unstable `rustdoc-scrape-examples` flag: ```bash -cargo doc -Zunstable-options -Zrustdoc-scrape-examples=examples +cargo doc -Zunstable-options -Zrustdoc-scrape-examples ``` To enable this feature on [docs.rs](https://docs.rs), add this to your Cargo.toml: ```toml [package.metadata.docs.rs] -cargo-args = ["-Zunstable-options", "-Zrustdoc-scrape-examples=examples"] +cargo-args = ["-Zunstable-options", "-Zrustdoc-scrape-examples"] ``` diff --git a/src/doc/unstable-book/src/language-features/intrinsics.md b/src/doc/unstable-book/src/language-features/intrinsics.md index a0fb4e743d3..ea9bace6dd4 100644 --- a/src/doc/unstable-book/src/language-features/intrinsics.md +++ b/src/doc/unstable-book/src/language-features/intrinsics.md @@ -22,7 +22,7 @@ via a declaration like extern "rust-intrinsic" { fn transmute<T, U>(x: T) -> U; - fn offset<T>(dst: *const T, offset: isize) -> *const T; + fn arith_offset<T>(dst: *const T, offset: isize) -> *const T; } ``` diff --git a/src/etc/lldb_providers.py b/src/etc/lldb_providers.py index 4f73746f817..c4381e202b9 100644 --- a/src/etc/lldb_providers.py +++ b/src/etc/lldb_providers.py @@ -31,7 +31,7 @@ from lldb import SBValue, SBData, SBError, eBasicTypeLong, eBasicTypeUnsignedLon # # You can find more information and examples here: # 1. https://lldb.llvm.org/varformats.html -# 2. https://lldb.llvm.org/python-reference.html +# 2. https://lldb.llvm.org/use/python-reference.html # 3. https://lldb.llvm.org/python_reference/lldb.formatters.cpp.libcxx-pysrc.html # 4. https://github.com/llvm-mirror/lldb/tree/master/examples/summaries/cocoa #################################################################################################### diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs index c992a5388d1..8ccdb16b784 100644 --- a/src/librustdoc/clean/mod.rs +++ b/src/librustdoc/clean/mod.rs @@ -304,7 +304,7 @@ pub(crate) fn clean_predicate<'tcx>( clean_region_outlives_predicate(pred) } ty::PredicateKind::Clause(ty::Clause::TypeOutlives(pred)) => { - clean_type_outlives_predicate(pred, cx) + clean_type_outlives_predicate(bound_predicate.rebind(pred), cx) } ty::PredicateKind::Clause(ty::Clause::Projection(pred)) => { Some(clean_projection_predicate(bound_predicate.rebind(pred), cx)) @@ -345,7 +345,7 @@ fn clean_poly_trait_predicate<'tcx>( } fn clean_region_outlives_predicate<'tcx>( - pred: ty::OutlivesPredicate<ty::Region<'tcx>, ty::Region<'tcx>>, + pred: ty::RegionOutlivesPredicate<'tcx>, ) -> Option<WherePredicate> { let ty::OutlivesPredicate(a, b) = pred; @@ -358,13 +358,13 @@ fn clean_region_outlives_predicate<'tcx>( } fn clean_type_outlives_predicate<'tcx>( - pred: ty::OutlivesPredicate<Ty<'tcx>, ty::Region<'tcx>>, + pred: ty::Binder<'tcx, ty::TypeOutlivesPredicate<'tcx>>, cx: &mut DocContext<'tcx>, ) -> Option<WherePredicate> { - let ty::OutlivesPredicate(ty, lt) = pred; + let ty::OutlivesPredicate(ty, lt) = pred.skip_binder(); Some(WherePredicate::BoundPredicate { - ty: clean_middle_ty(ty::Binder::dummy(ty), cx, None), + ty: clean_middle_ty(pred.rebind(ty), cx, None), bounds: vec![GenericBound::Outlives( clean_middle_region(lt).expect("failed to clean lifetimes"), )], diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index d71098ad89d..575d8ee65b7 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -1063,15 +1063,10 @@ impl Tester for Collector { Ignore::Some(ref ignores) => ignores.iter().any(|s| target_str.contains(s)), }, ignore_message: None, - #[cfg(not(bootstrap))] source_file: "", - #[cfg(not(bootstrap))] start_line: 0, - #[cfg(not(bootstrap))] start_col: 0, - #[cfg(not(bootstrap))] end_line: 0, - #[cfg(not(bootstrap))] end_col: 0, // compiler failures are test failures should_panic: test::ShouldPanic::No, diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs index 4a88dc5254d..c15afca2261 100644 --- a/src/librustdoc/lib.rs +++ b/src/librustdoc/lib.rs @@ -14,7 +14,7 @@ #![feature(type_ascription)] #![feature(iter_intersperse)] #![feature(type_alias_impl_trait)] -#![cfg_attr(not(bootstrap), feature(impl_trait_in_assoc_type))] +#![feature(impl_trait_in_assoc_type)] #![recursion_limit = "256"] #![warn(rustc::internal)] #![allow(clippy::collapsible_if, clippy::collapsible_else_if)] diff --git a/src/librustdoc/passes/collect_intra_doc_links.rs b/src/librustdoc/passes/collect_intra_doc_links.rs index f2486abaaa7..7e173a171a8 100644 --- a/src/librustdoc/passes/collect_intra_doc_links.rs +++ b/src/librustdoc/passes/collect_intra_doc_links.rs @@ -1295,7 +1295,8 @@ impl LinkCollector<'_, '_> { } } } - resolution_failure(self, diag, path_str, disambiguator, smallvec![err]) + resolution_failure(self, diag, path_str, disambiguator, smallvec![err]); + return vec![]; } } } @@ -1331,13 +1332,14 @@ impl LinkCollector<'_, '_> { .fold(0, |acc, res| if let Ok(res) = res { acc + res.len() } else { acc }); if len == 0 { - return resolution_failure( + resolution_failure( self, diag, path_str, disambiguator, candidates.into_iter().filter_map(|res| res.err()).collect(), ); + return vec![]; } else if len == 1 { candidates.into_iter().filter_map(|res| res.ok()).flatten().collect::<Vec<_>>() } else { @@ -1642,9 +1644,8 @@ fn resolution_failure( path_str: &str, disambiguator: Option<Disambiguator>, kinds: SmallVec<[ResolutionFailure<'_>; 3]>, -) -> Vec<(Res, Option<DefId>)> { +) { let tcx = collector.cx.tcx; - let mut recovered_res = None; report_diagnostic( tcx, BROKEN_INTRA_DOC_LINKS, @@ -1736,19 +1737,25 @@ fn resolution_failure( if !path_str.contains("::") { if disambiguator.map_or(true, |d| d.ns() == MacroNS) - && let Some(&res) = collector.cx.tcx.resolutions(()).all_macro_rules - .get(&Symbol::intern(path_str)) + && collector + .cx + .tcx + .resolutions(()) + .all_macro_rules + .get(&Symbol::intern(path_str)) + .is_some() { diag.note(format!( "`macro_rules` named `{path_str}` exists in this crate, \ but it is not in scope at this link's location" )); - recovered_res = res.try_into().ok().map(|res| (res, None)); } else { // If the link has `::` in it, assume it was meant to be an // intra-doc link. Otherwise, the `[]` might be unrelated. - diag.help("to escape `[` and `]` characters, \ - add '\\' before them like `\\[` or `\\]`"); + diag.help( + "to escape `[` and `]` characters, \ + add '\\' before them like `\\[` or `\\]`", + ); } } @@ -1854,11 +1861,6 @@ fn resolution_failure( } }, ); - - match recovered_res { - Some(r) => vec![r], - None => Vec::new(), - } } fn report_multiple_anchors(cx: &DocContext<'_>, diag_info: DiagnosticInfo<'_>) { diff --git a/src/stage0.json b/src/stage0.json index 9250d9c2804..7a8bf0a80ab 100644 --- a/src/stage0.json +++ b/src/stage0.json @@ -17,409 +17,409 @@ "tool is executed." ], "compiler": { - "date": "2023-03-07", + "date": "2023-04-20", "version": "beta" }, "rustfmt": { - "date": "2023-03-07", + "date": "2023-04-21", "version": "nightly" }, "checksums_sha256": { - "dist/2023-03-07/cargo-beta-aarch64-apple-darwin.tar.gz": "ec2466b2212a7453ae902b85f7b1879fa9d37275f21972aef488e8b4ca04e195", - 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"453a0dcaf90ffb33af0e7994d317932e897980307897794d1143078c208dd42b", + "dist/2023-04-21/rustfmt-nightly-x86_64-unknown-netbsd.tar.gz": "383a6196c67352f5fd6efad5dcd41cc325cef547baa2bf1376138cd628e1f16f", + "dist/2023-04-21/rustfmt-nightly-x86_64-unknown-netbsd.tar.xz": "1c33e794c88b4740ddb5c7a1354f19471fe719b21402e67ca205cfbad6aa9f6f" } } diff --git a/src/tools/compiletest/src/common.rs b/src/tools/compiletest/src/common.rs index 7166d99d792..9059a145b43 100644 --- a/src/tools/compiletest/src/common.rs +++ b/src/tools/compiletest/src/common.rs @@ -422,19 +422,11 @@ pub struct TargetCfgs { impl TargetCfgs { fn new(config: &Config) -> TargetCfgs { - let targets: HashMap<String, TargetCfg> = if config.stage_id.starts_with("stage0-") - || (config.suite == "ui-fulldeps" && config.stage_id.starts_with("stage1-")) - { - // #[cfg(bootstrap)] - // Needed only for one cycle, remove during the bootstrap bump. - Self::collect_all_slow(config) - } else { - serde_json::from_str(&rustc_output( - config, - &["--print=all-target-specs-json", "-Zunstable-options"], - )) - .unwrap() - }; + let targets: HashMap<String, TargetCfg> = serde_json::from_str(&rustc_output( + config, + &["--print=all-target-specs-json", "-Zunstable-options"], + )) + .unwrap(); let mut current = None; let mut all_targets = HashSet::new(); @@ -475,25 +467,6 @@ impl TargetCfgs { all_pointer_widths, } } - - // #[cfg(bootstrap)] - // Needed only for one cycle, remove during the bootstrap bump. - fn collect_all_slow(config: &Config) -> HashMap<String, TargetCfg> { - let mut result = HashMap::new(); - for target in rustc_output(config, &["--print=target-list"]).trim().lines() { - let json = rustc_output( - config, - &["--print=target-spec-json", "-Zunstable-options", "--target", target], - ); - match serde_json::from_str(&json) { - Ok(res) => { - result.insert(target.into(), res); - } - Err(err) => panic!("failed to parse target spec for {target}: {err}"), - } - } - result - } } #[derive(Clone, Debug, serde::Deserialize)] diff --git a/src/tools/compiletest/src/header.rs b/src/tools/compiletest/src/header.rs index ccce62bd5b0..01da5981015 100644 --- a/src/tools/compiletest/src/header.rs +++ b/src/tools/compiletest/src/header.rs @@ -943,15 +943,10 @@ pub fn make_test_description<R: Read>( name, ignore, ignore_message, - #[cfg(not(bootstrap))] source_file: "", - #[cfg(not(bootstrap))] start_line: 0, - #[cfg(not(bootstrap))] start_col: 0, - #[cfg(not(bootstrap))] end_line: 0, - #[cfg(not(bootstrap))] end_col: 0, should_panic, compile_fail: false, diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index f6597c72938..e03a73c4e71 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -224,6 +224,7 @@ enum Emit { Metadata, LlvmIr, Asm, + LinkArgsAsm, } impl<'test> TestCx<'test> { @@ -2035,6 +2036,9 @@ impl<'test> TestCx<'test> { Emit::Asm => { rustc.args(&["--emit", "asm"]); } + Emit::LinkArgsAsm => { + rustc.args(&["-Clink-args=--emit=asm"]); + } } if !is_rustdoc { @@ -2328,11 +2332,15 @@ impl<'test> TestCx<'test> { emit = Emit::Asm; } + Some("bpf-linker") => { + emit = Emit::LinkArgsAsm; + } + Some("ptx-linker") => { // No extra flags needed. } - Some(_) => self.fatal("unknown 'assembly-output' header"), + Some(header) => self.fatal(&format!("unknown 'assembly-output' header: {header}")), None => self.fatal("missing 'assembly-output' header"), } diff --git a/src/tools/miri/src/operator.rs b/src/tools/miri/src/operator.rs index 79d5dfb5551..368aa2bacdc 100644 --- a/src/tools/miri/src/operator.rs +++ b/src/tools/miri/src/operator.rs @@ -53,17 +53,6 @@ impl<'mir, 'tcx> EvalContextExt<'tcx> for super::MiriInterpCx<'mir, 'tcx> { (Scalar::from_bool(res), false, self.tcx.types.bool) } - Offset => { - assert!(left.layout.ty.is_unsafe_ptr()); - let ptr = left.to_scalar().to_pointer(self)?; - let offset = right.to_scalar().to_target_isize(self)?; - - let pointee_ty = - left.layout.ty.builtin_deref(true).expect("Offset called on non-ptr type").ty; - let ptr = self.ptr_offset_inbounds(ptr, pointee_ty, offset)?; - (Scalar::from_maybe_pointer(ptr, self), false, left.layout.ty) - } - // Some more operations are possible with atomics. // The return value always has the provenance of the *left* operand. Add | Sub | BitOr | BitAnd | BitXor => { diff --git a/src/tools/miri/tests/fail/panic/double_panic.stderr b/src/tools/miri/tests/fail/panic/double_panic.stderr index 6bf13f21601..f04dfab36ca 100644 --- a/src/tools/miri/tests/fail/panic/double_panic.stderr +++ b/src/tools/miri/tests/fail/panic/double_panic.stderr @@ -12,57 +12,59 @@ stack backtrace: at RUSTLIB/std/src/sys_common/backtrace.rs:LL:CC 4: <std::sys_common::backtrace::_print::DisplayBacktrace as std::fmt::Display>::fmt at RUSTLIB/std/src/sys_common/backtrace.rs:LL:CC - 5: std::fmt::write + 5: core::fmt::rt::Argument::fmt + at RUSTLIB/core/src/fmt/rt.rs:LL:CC + 6: std::fmt::write at RUSTLIB/core/src/fmt/mod.rs:LL:CC - 6: <std::sys::PLATFORM::stdio::Stderr as std::io::Write>::write_fmt + 7: <std::sys::PLATFORM::stdio::Stderr as std::io::Write>::write_fmt at RUSTLIB/std/src/io/mod.rs:LL:CC - 7: std::sys_common::backtrace::_print + 8: std::sys_common::backtrace::_print at RUSTLIB/std/src/sys_common/backtrace.rs:LL:CC - 8: std::sys_common::backtrace::print + 9: std::sys_common::backtrace::print at RUSTLIB/std/src/sys_common/backtrace.rs:LL:CC - 9: std::panicking::default_hook::{closure#1} + 10: std::panicking::default_hook::{closure#1} at RUSTLIB/std/src/panicking.rs:LL:CC - 10: std::panicking::default_hook + 11: std::panicking::default_hook at RUSTLIB/std/src/panicking.rs:LL:CC - 11: std::panicking::rust_panic_with_hook + 12: std::panicking::rust_panic_with_hook at RUSTLIB/std/src/panicking.rs:LL:CC - 12: std::rt::begin_panic::{closure#0} + 13: std::rt::begin_panic::{closure#0} at RUSTLIB/std/src/panicking.rs:LL:CC - 13: std::sys_common::backtrace::__rust_end_short_backtrace + 14: std::sys_common::backtrace::__rust_end_short_backtrace at RUSTLIB/std/src/sys_common/backtrace.rs:LL:CC - 14: std::rt::begin_panic + 15: std::rt::begin_panic at RUSTLIB/std/src/panicking.rs:LL:CC - 15: <Foo as std::ops::Drop>::drop + 16: <Foo as std::ops::Drop>::drop at $DIR/double_panic.rs:LL:CC - 16: std::ptr::drop_in_place - shim(Some(Foo)) + 17: std::ptr::drop_in_place - shim(Some(Foo)) at RUSTLIB/core/src/ptr/mod.rs:LL:CC - 17: main + 18: main at $DIR/double_panic.rs:LL:CC - 18: <fn() as std::ops::FnOnce<()>>::call_once - shim(fn()) + 19: <fn() as std::ops::FnOnce<()>>::call_once - shim(fn()) at RUSTLIB/core/src/ops/function.rs:LL:CC - 19: std::sys_common::backtrace::__rust_begin_short_backtrace + 20: std::sys_common::backtrace::__rust_begin_short_backtrace at RUSTLIB/std/src/sys_common/backtrace.rs:LL:CC - 20: std::rt::lang_start::{closure#0} + 21: std::rt::lang_start::{closure#0} at RUSTLIB/std/src/rt.rs:LL:CC - 21: std::ops::function::impls::call_once + 22: std::ops::function::impls::call_once at RUSTLIB/core/src/ops/function.rs:LL:CC - 22: std::panicking::r#try::do_call + 23: std::panicking::r#try::do_call at RUSTLIB/std/src/panicking.rs:LL:CC - 23: std::panicking::r#try + 24: std::panicking::r#try at RUSTLIB/std/src/panicking.rs:LL:CC - 24: std::panic::catch_unwind + 25: std::panic::catch_unwind at RUSTLIB/std/src/panic.rs:LL:CC - 25: std::rt::lang_start_internal::{closure#2} + 26: std::rt::lang_start_internal::{closure#2} at RUSTLIB/std/src/rt.rs:LL:CC - 26: std::panicking::r#try::do_call + 27: std::panicking::r#try::do_call at RUSTLIB/std/src/panicking.rs:LL:CC - 27: std::panicking::r#try + 28: std::panicking::r#try at RUSTLIB/std/src/panicking.rs:LL:CC - 28: std::panic::catch_unwind + 29: std::panic::catch_unwind at RUSTLIB/std/src/panic.rs:LL:CC - 29: std::rt::lang_start_internal + 30: std::rt::lang_start_internal at RUSTLIB/std/src/rt.rs:LL:CC - 30: std::rt::lang_start + 31: std::rt::lang_start at RUSTLIB/std/src/rt.rs:LL:CC thread panicked while panicking. aborting. error: abnormal termination: the program aborted execution diff --git a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/builtin_fn_macro.rs b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/builtin_fn_macro.rs index 0b72ca1eec1..5fbd1789b3a 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/builtin_fn_macro.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/builtin_fn_macro.rs @@ -201,7 +201,7 @@ macro_rules! format_args { } fn main() { - $crate::fmt::Arguments::new_v1(&[], &[$crate::fmt::ArgumentV1::new(&(arg1(a, b, c)), $crate::fmt::Display::fmt), $crate::fmt::ArgumentV1::new(&(arg2), $crate::fmt::Display::fmt), ]); + $crate::fmt::Arguments::new_v1(&[], &[$crate::fmt::Argument::new(&(arg1(a, b, c)), $crate::fmt::Display::fmt), $crate::fmt::Argument::new(&(arg2), $crate::fmt::Display::fmt), ]); } "#]], ); @@ -229,7 +229,7 @@ macro_rules! format_args { } fn main() { - $crate::fmt::Arguments::new_v1(&[], &[$crate::fmt::ArgumentV1::new(&(a::<A, B>()), $crate::fmt::Display::fmt), $crate::fmt::ArgumentV1::new(&(b), $crate::fmt::Display::fmt), ]); + $crate::fmt::Arguments::new_v1(&[], &[$crate::fmt::Argument::new(&(a::<A, B>()), $crate::fmt::Display::fmt), $crate::fmt::Argument::new(&(b), $crate::fmt::Display::fmt), ]); } "#]], ); @@ -260,7 +260,7 @@ macro_rules! format_args { fn main() { let _ = /* parse error: expected field name or number */ -$crate::fmt::Arguments::new_v1(&[], &[$crate::fmt::ArgumentV1::new(&(a.), $crate::fmt::Display::fmt), ]); +$crate::fmt::Arguments::new_v1(&[], &[$crate::fmt::Argument::new(&(a.), $crate::fmt::Display::fmt), ]); } "#]], ); diff --git a/src/tools/rust-analyzer/crates/hir-expand/src/builtin_fn_macro.rs b/src/tools/rust-analyzer/crates/hir-expand/src/builtin_fn_macro.rs index 44510f2b7ff..a9c5e1488aa 100644 --- a/src/tools/rust-analyzer/crates/hir-expand/src/builtin_fn_macro.rs +++ b/src/tools/rust-analyzer/crates/hir-expand/src/builtin_fn_macro.rs @@ -241,8 +241,8 @@ fn format_args_expand( // We expand `format_args!("", a1, a2)` to // ``` // $crate::fmt::Arguments::new_v1(&[], &[ - // $crate::fmt::ArgumentV1::new(&arg1,$crate::fmt::Display::fmt), - // $crate::fmt::ArgumentV1::new(&arg2,$crate::fmt::Display::fmt), + // $crate::fmt::Argument::new(&arg1,$crate::fmt::Display::fmt), + // $crate::fmt::Argument::new(&arg2,$crate::fmt::Display::fmt), // ]) // ```, // which is still not really correct, but close enough for now @@ -267,7 +267,7 @@ fn format_args_expand( } let _format_string = args.remove(0); let arg_tts = args.into_iter().flat_map(|arg| { - quote! { #DOLLAR_CRATE::fmt::ArgumentV1::new(&(#arg), #DOLLAR_CRATE::fmt::Display::fmt), } + quote! { #DOLLAR_CRATE::fmt::Argument::new(&(#arg), #DOLLAR_CRATE::fmt::Display::fmt), } }.token_trees); let expanded = quote! { #DOLLAR_CRATE::fmt::Arguments::new_v1(&[], &[##arg_tts]) diff --git a/tests/codegen/intrinsics/offset.rs b/tests/codegen/intrinsics/offset.rs new file mode 100644 index 00000000000..7fc4f4498d6 --- /dev/null +++ b/tests/codegen/intrinsics/offset.rs @@ -0,0 +1,34 @@ +// compile-flags: -O -C no-prepopulate-passes +// min-llvm-version: 15.0 (because we're using opaque pointers) + +#![crate_type = "lib"] +#![feature(core_intrinsics)] + +use std::intrinsics::offset; + +// CHECK-LABEL: ptr @offset_zst +// CHECK-SAME: (ptr noundef %p, [[SIZE:i[0-9]+]] noundef %d) +#[no_mangle] +pub unsafe fn offset_zst(p: *const (), d: usize) -> *const () { + // CHECK-NOT: getelementptr + // CHECK: ret ptr %p + offset(p, d) +} + +// CHECK-LABEL: ptr @offset_isize +// CHECK-SAME: (ptr noundef %p, [[SIZE]] noundef %d) +#[no_mangle] +pub unsafe fn offset_isize(p: *const u32, d: isize) -> *const u32 { + // CHECK: %[[R:.*]] = getelementptr inbounds i32, ptr %p, [[SIZE]] %d + // CHECK-NEXT: ret ptr %[[R]] + offset(p, d) +} + +// CHECK-LABEL: ptr @offset_usize +// CHECK-SAME: (ptr noundef %p, [[SIZE]] noundef %d) +#[no_mangle] +pub unsafe fn offset_usize(p: *const u64, d: usize) -> *const u64 { + // CHECK: %[[R:.*]] = getelementptr inbounds i64, ptr %p, [[SIZE]] %d + // CHECK-NEXT: ret ptr %[[R]] + offset(p, d) +} diff --git a/tests/mir-opt/issue_41888.main.ElaborateDrops.diff b/tests/mir-opt/issue_41888.main.ElaborateDrops.diff index d98f75e7502..46b450a4e47 100644 --- a/tests/mir-opt/issue_41888.main.ElaborateDrops.diff +++ b/tests/mir-opt/issue_41888.main.ElaborateDrops.diff @@ -22,9 +22,9 @@ } bb0: { -+ _9 = const false; // scope 0 at $DIR/issue_41888.rs:+1:9: +1:10 + _7 = const false; // scope 0 at $DIR/issue_41888.rs:+1:9: +1:10 + _8 = const false; // scope 0 at $DIR/issue_41888.rs:+1:9: +1:10 ++ _9 = const false; // scope 0 at $DIR/issue_41888.rs:+1:9: +1:10 StorageLive(_1); // scope 0 at $DIR/issue_41888.rs:+1:9: +1:10 StorageLive(_2); // scope 1 at $DIR/issue_41888.rs:+2:8: +2:14 _2 = cond() -> [return: bb1, unwind: bb11]; // scope 1 at $DIR/issue_41888.rs:+2:8: +2:14 diff --git a/tests/mir-opt/lower_intrinsics.option_payload.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.option_payload.LowerIntrinsics.diff index cc5079af7f4..93863fca344 100644 --- a/tests/mir-opt/lower_intrinsics.option_payload.LowerIntrinsics.diff +++ b/tests/mir-opt/lower_intrinsics.option_payload.LowerIntrinsics.diff @@ -24,7 +24,7 @@ _4 = &raw const (*_1); // scope 1 at $DIR/lower_intrinsics.rs:+2:55: +2:56 - _3 = option_payload_ptr::<usize>(move _4) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/lower_intrinsics.rs:+2:18: +2:57 - // mir::Constant -- // + span: $DIR/lower_intrinsics.rs:133:18: 133:54 +- // + span: $DIR/lower_intrinsics.rs:132:18: 132:54 - // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(*const Option<usize>) -> *const usize {option_payload_ptr::<usize>}, val: Value(<ZST>) } + _3 = &raw const (((*_4) as Some).0: usize); // scope 1 at $DIR/lower_intrinsics.rs:+2:18: +2:57 + goto -> bb1; // scope 1 at $DIR/lower_intrinsics.rs:+2:18: +2:57 @@ -37,7 +37,7 @@ _6 = &raw const (*_2); // scope 2 at $DIR/lower_intrinsics.rs:+3:55: +3:56 - _5 = option_payload_ptr::<String>(move _6) -> [return: bb2, unwind unreachable]; // scope 2 at $DIR/lower_intrinsics.rs:+3:18: +3:57 - // mir::Constant -- // + span: $DIR/lower_intrinsics.rs:134:18: 134:54 +- // + span: $DIR/lower_intrinsics.rs:133:18: 133:54 - // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(*const Option<String>) -> *const String {option_payload_ptr::<String>}, val: Value(<ZST>) } + _5 = &raw const (((*_6) as Some).0: std::string::String); // scope 2 at $DIR/lower_intrinsics.rs:+3:18: +3:57 + goto -> bb2; // scope 2 at $DIR/lower_intrinsics.rs:+3:18: +3:57 diff --git a/tests/mir-opt/lower_intrinsics.ptr_offset.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.ptr_offset.LowerIntrinsics.diff index f342bf30d02..37f1995a53a 100644 --- a/tests/mir-opt/lower_intrinsics.ptr_offset.LowerIntrinsics.diff +++ b/tests/mir-opt/lower_intrinsics.ptr_offset.LowerIntrinsics.diff @@ -13,10 +13,10 @@ _3 = _1; // scope 0 at $DIR/lower_intrinsics.rs:+1:30: +1:31 StorageLive(_4); // scope 0 at $DIR/lower_intrinsics.rs:+1:33: +1:34 _4 = _2; // scope 0 at $DIR/lower_intrinsics.rs:+1:33: +1:34 -- _0 = offset::<i32>(move _3, move _4) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:35 +- _0 = offset::<*const i32, isize>(move _3, move _4) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:35 - // mir::Constant -- // + span: $DIR/lower_intrinsics.rs:140:5: 140:29 -- // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(*const i32, isize) -> *const i32 {offset::<i32>}, val: Value(<ZST>) } +- // + span: $DIR/lower_intrinsics.rs:139:5: 139:29 +- // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(*const i32, isize) -> *const i32 {offset::<*const i32, isize>}, val: Value(<ZST>) } + _0 = Offset(move _3, move _4); // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:35 + goto -> bb1; // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:35 } diff --git a/tests/mir-opt/lower_intrinsics.rs b/tests/mir-opt/lower_intrinsics.rs index ad690f803c4..2b1e67be2a9 100644 --- a/tests/mir-opt/lower_intrinsics.rs +++ b/tests/mir-opt/lower_intrinsics.rs @@ -127,7 +127,6 @@ pub fn read_via_copy_uninhabited(r: &Never) -> Never { pub enum Never {} // EMIT_MIR lower_intrinsics.option_payload.LowerIntrinsics.diff -#[cfg(not(bootstrap))] pub fn option_payload(o: &Option<usize>, p: &Option<String>) { unsafe { let _x = core::intrinsics::option_payload_ptr(o); diff --git a/tests/mir-opt/pre-codegen/slice_index.rs b/tests/mir-opt/pre-codegen/slice_index.rs new file mode 100644 index 00000000000..44b45627607 --- /dev/null +++ b/tests/mir-opt/pre-codegen/slice_index.rs @@ -0,0 +1,27 @@ +// compile-flags: -O -C debuginfo=0 -Zmir-opt-level=2 +// only-64bit +// ignore-debug + +#![crate_type = "lib"] + +use std::ops::Range; + +// EMIT_MIR slice_index.slice_index_usize.PreCodegen.after.mir +pub fn slice_index_usize(slice: &[u32], index: usize) -> u32 { + slice[index] +} + +// EMIT_MIR slice_index.slice_get_mut_usize.PreCodegen.after.mir +pub fn slice_get_mut_usize(slice: &mut [u32], index: usize) -> Option<&mut u32> { + slice.get_mut(index) +} + +// EMIT_MIR slice_index.slice_index_range.PreCodegen.after.mir +pub fn slice_index_range(slice: &[u32], index: Range<usize>) -> &[u32] { + &slice[index] +} + +// EMIT_MIR slice_index.slice_get_unchecked_mut_range.PreCodegen.after.mir +pub unsafe fn slice_get_unchecked_mut_range(slice: &mut [u32], index: Range<usize>) -> &mut [u32] { + slice.get_unchecked_mut(index) +} diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_get_mut_usize.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/slice_index.slice_get_mut_usize.PreCodegen.after.mir new file mode 100644 index 00000000000..715a1e3fcd4 --- /dev/null +++ b/tests/mir-opt/pre-codegen/slice_index.slice_get_mut_usize.PreCodegen.after.mir @@ -0,0 +1,105 @@ +// MIR for `slice_get_mut_usize` after PreCodegen + +fn slice_get_mut_usize(_1: &mut [u32], _2: usize) -> Option<&mut u32> { + debug slice => _1; // in scope 0 at $DIR/slice_index.rs:+0:28: +0:33 + debug index => _2; // in scope 0 at $DIR/slice_index.rs:+0:47: +0:52 + let mut _0: std::option::Option<&mut u32>; // return place in scope 0 at $DIR/slice_index.rs:+0:64: +0:80 + scope 1 (inlined core::slice::<impl [u32]>::get_mut::<usize>) { // at $DIR/slice_index.rs:16:11: 16:25 + debug self => _1; // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + debug index => _2; // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + scope 2 (inlined <usize as SliceIndex<[u32]>>::get_mut) { // at $SRC_DIR/core/src/slice/mod.rs:LL:COL + debug self => _2; // in scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + debug slice => _1; // in scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _3: bool; // in scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _4: usize; // in scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _5: &[u32]; // in scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _6: &mut u32; // in scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _7: *mut u32; // in scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _8: *mut [u32]; // in scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + scope 3 { + scope 4 (inlined <usize as SliceIndex<[u32]>>::get_unchecked_mut) { // at $SRC_DIR/core/src/slice/index.rs:LL:COL + debug self => _2; // in scope 4 at $SRC_DIR/core/src/slice/index.rs:LL:COL + debug slice => _8; // in scope 4 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _9: *mut u32; // in scope 4 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _10: usize; // in scope 4 at $SRC_DIR/core/src/intrinsics.rs:LL:COL + let mut _11: *mut [u32]; // in scope 4 at $SRC_DIR/core/src/intrinsics.rs:LL:COL + scope 5 { + debug this => _2; // in scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL + scope 6 { + scope 7 (inlined <usize as SliceIndex<[T]>>::get_unchecked_mut::runtime::<u32>) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL + debug this => _10; // in scope 7 at $SRC_DIR/core/src/intrinsics.rs:LL:COL + debug slice => _11; // in scope 7 at $SRC_DIR/core/src/intrinsics.rs:LL:COL + scope 8 (inlined ptr::mut_ptr::<impl *mut [u32]>::len) { // at $SRC_DIR/core/src/slice/index.rs:LL:COL + debug self => _11; // in scope 8 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL + let mut _12: *const [u32]; // in scope 8 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL + scope 9 (inlined std::ptr::metadata::<[u32]>) { // at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL + debug ptr => _12; // in scope 9 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + scope 10 { + } + } + } + } + scope 11 (inlined ptr::mut_ptr::<impl *mut [u32]>::as_mut_ptr) { // at $SRC_DIR/core/src/slice/index.rs:LL:COL + debug self => _8; // in scope 11 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL + } + scope 12 (inlined ptr::mut_ptr::<impl *mut u32>::add) { // at $SRC_DIR/core/src/slice/index.rs:LL:COL + debug self => _9; // in scope 12 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL + debug count => _2; // in scope 12 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL + scope 13 { + } + } + } + } + } + } + } + } + + bb0: { + StorageLive(_6); // scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + StorageLive(_3); // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageLive(_4); // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageLive(_5); // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + _5 = &(*_1); // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + _4 = Len((*_5)); // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageDead(_5); // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + _3 = Lt(_2, move _4); // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageDead(_4); // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + switchInt(move _3) -> [0: bb2, otherwise: bb1]; // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + } + + bb1: { + StorageLive(_7); // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageLive(_8); // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + _8 = &raw mut (*_1); // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageLive(_10); // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageLive(_11); // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageLive(_12); // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageLive(_9); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL + _9 = _8 as *mut u32 (PtrToPtr); // scope 11 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL + _7 = Offset(_9, _2); // scope 13 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL + StorageDead(_9); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageDead(_12); // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageDead(_11); // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageDead(_10); // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageDead(_8); // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + _6 = &mut (*_7); // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + _0 = Option::<&mut u32>::Some(_6); // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageDead(_7); // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + goto -> bb3; // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + } + + bb2: { + _0 = const Option::<&mut u32>::None; // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + // mir::Constant + // + span: no-location + // + literal: Const { ty: Option<&mut u32>, val: Value(Scalar(0x0000000000000000)) } + goto -> bb3; // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + } + + bb3: { + StorageDead(_3); // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageDead(_6); // scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + return; // scope 0 at $DIR/slice_index.rs:+2:2: +2:2 + } +} diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.mir new file mode 100644 index 00000000000..ea0a44cf3bf --- /dev/null +++ b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.mir @@ -0,0 +1,134 @@ +// MIR for `slice_get_unchecked_mut_range` after PreCodegen + +fn slice_get_unchecked_mut_range(_1: &mut [u32], _2: std::ops::Range<usize>) -> &mut [u32] { + debug slice => _1; // in scope 0 at $DIR/slice_index.rs:+0:45: +0:50 + debug index => _2; // in scope 0 at $DIR/slice_index.rs:+0:64: +0:69 + let mut _0: &mut [u32]; // return place in scope 0 at $DIR/slice_index.rs:+1:5: +1:35 + scope 1 (inlined core::slice::<impl [u32]>::get_unchecked_mut::<std::ops::Range<usize>>) { // at $DIR/slice_index.rs:26:11: 26:35 + debug self => _1; // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + debug index => _2; // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + let mut _3: *mut [u32]; // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + let mut _4: *mut [u32]; // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + scope 2 { + scope 3 (inlined <std::ops::Range<usize> as SliceIndex<[u32]>>::get_unchecked_mut) { // at $SRC_DIR/core/src/slice/mod.rs:LL:COL + debug self => _2; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + debug slice => _4; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let _5: std::ops::Range<usize>; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _7: usize; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _8: usize; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _9: *mut u32; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _10: *mut u32; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _11: usize; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _12: usize; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _13: std::ops::Range<usize>; // in scope 3 at $SRC_DIR/core/src/intrinsics.rs:LL:COL + let mut _14: *mut [u32]; // in scope 3 at $SRC_DIR/core/src/intrinsics.rs:LL:COL + scope 4 { + debug this => _5; // in scope 4 at $SRC_DIR/core/src/slice/index.rs:LL:COL + scope 5 { + let _6: usize; // in scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL + scope 6 { + debug new_len => _6; // in scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL + scope 11 (inlined ptr::mut_ptr::<impl *mut [u32]>::as_mut_ptr) { // at $SRC_DIR/core/src/slice/index.rs:LL:COL + debug self => _4; // in scope 11 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL + } + scope 12 (inlined ptr::mut_ptr::<impl *mut u32>::add) { // at $SRC_DIR/core/src/slice/index.rs:LL:COL + debug self => _10; // in scope 12 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL + debug count => _11; // in scope 12 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL + scope 13 { + } + } + scope 14 (inlined slice_from_raw_parts_mut::<u32>) { // at $SRC_DIR/core/src/slice/index.rs:LL:COL + debug data => _9; // in scope 14 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL + debug len => _12; // in scope 14 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL + let mut _16: *mut (); // in scope 14 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL + scope 15 (inlined ptr::mut_ptr::<impl *mut u32>::cast::<()>) { // at $SRC_DIR/core/src/ptr/mod.rs:LL:COL + debug self => _9; // in scope 15 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL + } + scope 16 (inlined std::ptr::from_raw_parts_mut::<[u32]>) { // at $SRC_DIR/core/src/ptr/mod.rs:LL:COL + debug data_address => _16; // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + debug metadata => _12; // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + let mut _17: std::ptr::metadata::PtrRepr<[u32]>; // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + let mut _18: std::ptr::metadata::PtrComponents<[u32]>; // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + let mut _19: *const (); // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + scope 17 { + } + } + } + } + scope 7 (inlined <std::ops::Range<usize> as SliceIndex<[T]>>::get_unchecked_mut::runtime::<u32>) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL + debug this => _13; // in scope 7 at $SRC_DIR/core/src/intrinsics.rs:LL:COL + debug slice => _14; // in scope 7 at $SRC_DIR/core/src/intrinsics.rs:LL:COL + scope 8 (inlined ptr::mut_ptr::<impl *mut [u32]>::len) { // at $SRC_DIR/core/src/slice/index.rs:LL:COL + debug self => _14; // in scope 8 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL + let mut _15: *const [u32]; // in scope 8 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL + scope 9 (inlined std::ptr::metadata::<[u32]>) { // at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL + debug ptr => _15; // in scope 9 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + scope 10 { + } + } + } + } + } + } + } + } + } + + bb0: { + StorageLive(_3); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + StorageLive(_4); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + _4 = &raw mut (*_1); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + StorageLive(_5); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + StorageLive(_13); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + StorageLive(_14); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + StorageLive(_15); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + StorageLive(_6); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageLive(_7); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL + _7 = (_2.1: usize); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageLive(_8); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL + _8 = (_2.0: usize); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL + _6 = unchecked_sub::<usize>(move _7, move _8) -> [return: bb1, unwind unreachable]; // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL + // mir::Constant + // + span: $SRC_DIR/core/src/slice/index.rs:LL:COL + // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(usize, usize) -> usize {unchecked_sub::<usize>}, val: Value(<ZST>) } + } + + bb1: { + StorageDead(_8); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageDead(_7); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageLive(_9); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageLive(_10); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL + _10 = _4 as *mut u32 (PtrToPtr); // scope 11 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL + StorageLive(_11); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL + _11 = (_2.0: usize); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL + _9 = Offset(_10, _11); // scope 13 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL + StorageDead(_11); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageDead(_10); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageLive(_12); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL + _12 = _6; // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageLive(_16); // scope 14 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL + _16 = _9 as *mut () (PtrToPtr); // scope 15 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL + StorageLive(_17); // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + StorageLive(_18); // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + StorageLive(_19); // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + _19 = _16 as *const () (Pointer(MutToConstPointer)); // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + _18 = ptr::metadata::PtrComponents::<[u32]> { data_address: move _19, metadata: _12 }; // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + StorageDead(_19); // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + _17 = ptr::metadata::PtrRepr::<[u32]> { const_ptr: move _18 }; // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + StorageDead(_18); // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + _3 = (_17.1: *mut [u32]); // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + StorageDead(_17); // scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + StorageDead(_16); // scope 14 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL + StorageDead(_12); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageDead(_9); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageDead(_6); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageDead(_15); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + StorageDead(_14); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + StorageDead(_13); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + StorageDead(_5); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + StorageDead(_4); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + _0 = &mut (*_3); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + StorageDead(_3); // scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + return; // scope 0 at $DIR/slice_index.rs:+2:2: +2:2 + } +} diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_index_range.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/slice_index.slice_index_range.PreCodegen.after.mir new file mode 100644 index 00000000000..35dd973b55f --- /dev/null +++ b/tests/mir-opt/pre-codegen/slice_index.slice_index_range.PreCodegen.after.mir @@ -0,0 +1,26 @@ +// MIR for `slice_index_range` after PreCodegen + +fn slice_index_range(_1: &[u32], _2: std::ops::Range<usize>) -> &[u32] { + debug slice => _1; // in scope 0 at $DIR/slice_index.rs:+0:26: +0:31 + debug index => _2; // in scope 0 at $DIR/slice_index.rs:+0:41: +0:46 + let mut _0: &[u32]; // return place in scope 0 at $DIR/slice_index.rs:+1:5: +1:18 + let _3: &[u32]; // in scope 0 at $DIR/slice_index.rs:+1:6: +1:18 + scope 1 (inlined #[track_caller] core::slice::index::<impl Index<std::ops::Range<usize>> for [u32]>::index) { // at $DIR/slice_index.rs:21:6: 21:18 + debug self => _1; // in scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL + debug index => _2; // in scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL + } + + bb0: { + StorageLive(_3); // scope 0 at $DIR/slice_index.rs:+1:6: +1:18 + _3 = <std::ops::Range<usize> as SliceIndex<[u32]>>::index(move _2, _1) -> bb1; // scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL + // mir::Constant + // + span: $SRC_DIR/core/src/slice/index.rs:LL:COL + // + literal: Const { ty: for<'a> fn(std::ops::Range<usize>, &'a [u32]) -> &'a <std::ops::Range<usize> as SliceIndex<[u32]>>::Output {<std::ops::Range<usize> as SliceIndex<[u32]>>::index}, val: Value(<ZST>) } + } + + bb1: { + _0 = _3; // scope 0 at $DIR/slice_index.rs:+1:5: +1:18 + StorageDead(_3); // scope 0 at $DIR/slice_index.rs:+2:1: +2:2 + return; // scope 0 at $DIR/slice_index.rs:+2:2: +2:2 + } +} diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_index_usize.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/slice_index.slice_index_usize.PreCodegen.after.mir new file mode 100644 index 00000000000..6cc0ee0570b --- /dev/null +++ b/tests/mir-opt/pre-codegen/slice_index.slice_index_usize.PreCodegen.after.mir @@ -0,0 +1,20 @@ +// MIR for `slice_index_usize` after PreCodegen + +fn slice_index_usize(_1: &[u32], _2: usize) -> u32 { + debug slice => _1; // in scope 0 at $DIR/slice_index.rs:+0:26: +0:31 + debug index => _2; // in scope 0 at $DIR/slice_index.rs:+0:41: +0:46 + let mut _0: u32; // return place in scope 0 at $DIR/slice_index.rs:+0:58: +0:61 + let mut _3: usize; // in scope 0 at $DIR/slice_index.rs:+1:5: +1:17 + let mut _4: bool; // in scope 0 at $DIR/slice_index.rs:+1:5: +1:17 + + bb0: { + _3 = Len((*_1)); // scope 0 at $DIR/slice_index.rs:+1:5: +1:17 + _4 = Lt(_2, _3); // scope 0 at $DIR/slice_index.rs:+1:5: +1:17 + assert(move _4, "index out of bounds: the length is {} but the index is {}", move _3, _2) -> bb1; // scope 0 at $DIR/slice_index.rs:+1:5: +1:17 + } + + bb1: { + _0 = (*_1)[_2]; // scope 0 at $DIR/slice_index.rs:+1:5: +1:17 + return; // scope 0 at $DIR/slice_index.rs:+2:2: +2:2 + } +} diff --git a/tests/mir-opt/sroa/lifetimes.foo.ScalarReplacementOfAggregates.diff b/tests/mir-opt/sroa/lifetimes.foo.ScalarReplacementOfAggregates.diff index 579587a430b..9bda5f575c9 100644 --- a/tests/mir-opt/sroa/lifetimes.foo.ScalarReplacementOfAggregates.diff +++ b/tests/mir-opt/sroa/lifetimes.foo.ScalarReplacementOfAggregates.diff @@ -15,14 +15,14 @@ let mut _13: &[&str; 3]; // in scope 0 at $DIR/lifetimes.rs:+10:19: +10:28 let _14: &[&str; 3]; // in scope 0 at $DIR/lifetimes.rs:+10:19: +10:28 let _15: [&str; 3]; // in scope 0 at $DIR/lifetimes.rs:+10:19: +10:28 - let mut _16: &[core::fmt::ArgumentV1<'_>]; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL - let mut _17: &[core::fmt::ArgumentV1<'_>; 2]; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL - let _18: &[core::fmt::ArgumentV1<'_>; 2]; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL - let _19: [core::fmt::ArgumentV1<'_>; 2]; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL - let mut _20: core::fmt::ArgumentV1<'_>; // in scope 0 at $DIR/lifetimes.rs:+10:20: +10:23 + let mut _16: &[core::fmt::rt::Argument<'_>]; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL + let mut _17: &[core::fmt::rt::Argument<'_>; 2]; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL + let _18: &[core::fmt::rt::Argument<'_>; 2]; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL + let _19: [core::fmt::rt::Argument<'_>; 2]; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL + let mut _20: core::fmt::rt::Argument<'_>; // in scope 0 at $DIR/lifetimes.rs:+10:20: +10:23 let mut _21: &std::boxed::Box<dyn std::fmt::Display>; // in scope 0 at $DIR/lifetimes.rs:+10:20: +10:23 let _22: &std::boxed::Box<dyn std::fmt::Display>; // in scope 0 at $DIR/lifetimes.rs:+10:20: +10:23 - let mut _23: core::fmt::ArgumentV1<'_>; // in scope 0 at $DIR/lifetimes.rs:+10:24: +10:27 + let mut _23: core::fmt::rt::Argument<'_>; // in scope 0 at $DIR/lifetimes.rs:+10:24: +10:27 let mut _24: &u32; // in scope 0 at $DIR/lifetimes.rs:+10:24: +10:27 let _25: &u32; // in scope 0 at $DIR/lifetimes.rs:+10:24: +10:27 let mut _27: bool; // in scope 0 at $DIR/lifetimes.rs:+12:1: +12:2 @@ -113,11 +113,11 @@ StorageLive(_22); // scope 4 at $DIR/lifetimes.rs:+10:20: +10:23 _22 = &_8; // scope 4 at $DIR/lifetimes.rs:+10:20: +10:23 _21 = &(*_22); // scope 4 at $DIR/lifetimes.rs:+10:20: +10:23 - _20 = core::fmt::ArgumentV1::<'_>::new_display::<Box<dyn std::fmt::Display>>(move _21) -> [return: bb3, unwind unreachable]; // scope 4 at $DIR/lifetimes.rs:+10:20: +10:23 + _20 = core::fmt::rt::Argument::<'_>::new_display::<Box<dyn std::fmt::Display>>(move _21) -> [return: bb3, unwind unreachable]; // scope 4 at $DIR/lifetimes.rs:+10:20: +10:23 // mir::Constant // + span: $DIR/lifetimes.rs:27:20: 27:23 // + user_ty: UserType(4) - // + literal: Const { ty: for<'b> fn(&'b Box<dyn std::fmt::Display>) -> core::fmt::ArgumentV1<'b> {core::fmt::ArgumentV1::<'_>::new_display::<Box<dyn std::fmt::Display>>}, val: Value(<ZST>) } + // + literal: Const { ty: for<'b> fn(&'b Box<dyn std::fmt::Display>) -> core::fmt::rt::Argument<'b> {core::fmt::rt::Argument::<'_>::new_display::<Box<dyn std::fmt::Display>>}, val: Value(<ZST>) } } bb3: { @@ -127,11 +127,11 @@ StorageLive(_25); // scope 4 at $DIR/lifetimes.rs:+10:24: +10:27 _25 = &_6; // scope 4 at $DIR/lifetimes.rs:+10:24: +10:27 _24 = &(*_25); // scope 4 at $DIR/lifetimes.rs:+10:24: +10:27 - _23 = core::fmt::ArgumentV1::<'_>::new_display::<u32>(move _24) -> [return: bb4, unwind unreachable]; // scope 4 at $DIR/lifetimes.rs:+10:24: +10:27 + _23 = core::fmt::rt::Argument::<'_>::new_display::<u32>(move _24) -> [return: bb4, unwind unreachable]; // scope 4 at $DIR/lifetimes.rs:+10:24: +10:27 // mir::Constant // + span: $DIR/lifetimes.rs:27:24: 27:27 // + user_ty: UserType(5) - // + literal: Const { ty: for<'b> fn(&'b u32) -> core::fmt::ArgumentV1<'b> {core::fmt::ArgumentV1::<'_>::new_display::<u32>}, val: Value(<ZST>) } + // + literal: Const { ty: for<'b> fn(&'b u32) -> core::fmt::rt::Argument<'b> {core::fmt::rt::Argument::<'_>::new_display::<u32>}, val: Value(<ZST>) } } bb4: { @@ -141,13 +141,13 @@ StorageDead(_20); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL _18 = &_19; // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL _17 = &(*_18); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL - _16 = move _17 as &[core::fmt::ArgumentV1<'_>] (Pointer(Unsize)); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + _16 = move _17 as &[core::fmt::rt::Argument<'_>] (Pointer(Unsize)); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL StorageDead(_17); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL _11 = Arguments::<'_>::new_v1(move _12, move _16) -> [return: bb5, unwind unreachable]; // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL // mir::Constant // + span: $SRC_DIR/std/src/macros.rs:LL:COL // + user_ty: UserType(3) - // + literal: Const { ty: fn(&[&'static str], &[core::fmt::ArgumentV1<'_>]) -> Arguments<'_> {Arguments::<'_>::new_v1}, val: Value(<ZST>) } + // + literal: Const { ty: fn(&[&'static str], &[core::fmt::rt::Argument<'_>]) -> Arguments<'_> {Arguments::<'_>::new_v1}, val: Value(<ZST>) } } bb5: { diff --git a/tests/run-make/inaccessible-temp-dir/Makefile b/tests/run-make/inaccessible-temp-dir/Makefile new file mode 100644 index 00000000000..abdba4eb861 --- /dev/null +++ b/tests/run-make/inaccessible-temp-dir/Makefile @@ -0,0 +1,32 @@ +# only-linux +# ignore-arm - linker error on `armhf-gnu` + +include ../tools.mk + +# Issue #66530: We would ICE if someone compiled with `-o /dev/null`, +# because we would try to generate auxiliary files in `/dev/` (which +# at least the OS X file system rejects). +# +# An attempt to `-Ztemps-dir` into a directory we cannot write into should +# indeed be an error; but not an ICE. +# +# However, some folks run tests as root, which can write `/dev/` and end +# up clobbering `/dev/null`. Instead we'll use an inaccessible path, which +# also used to ICE, but even root can't magically write there. +# +# Note that `-Ztemps-dir` uses `create_dir_all` so it is not sufficient to +# use a directory with non-existing parent like `/does-not-exist/output`. + +all: + # Create an inaccessible directory + mkdir $(TMPDIR)/inaccessible + chmod 000 $(TMPDIR)/inaccessible + + # Run rustc with `-Ztemps-dir` set to a directory + # *inside* the inaccessible one, so that it can't create it + $(RUSTC) program.rs -Ztemps-dir=$(TMPDIR)/inaccessible/tmp 2>&1 \ + | $(CGREP) 'failed to find or create the directory specified by `--temps-dir`' + + # Make the inaccessible directory accessible, + # so that compiletest can delete the temp dir + chmod +rw $(TMPDIR)/inaccessible diff --git a/tests/run-make/inaccessible-temp-dir/program.rs b/tests/run-make/inaccessible-temp-dir/program.rs new file mode 100644 index 00000000000..f328e4d9d04 --- /dev/null +++ b/tests/run-make/inaccessible-temp-dir/program.rs @@ -0,0 +1 @@ +fn main() {} diff --git a/tests/rustdoc-ui/issue-110900.rs b/tests/rustdoc-ui/issue-110900.rs new file mode 100644 index 00000000000..e3154baf860 --- /dev/null +++ b/tests/rustdoc-ui/issue-110900.rs @@ -0,0 +1,28 @@ +// check-pass + +#![crate_type="lib"] +#![feature(associated_type_bounds)] + +trait A<'a> {} +trait B<'b> {} + +trait C<'c>: for<'a> A<'a> + for<'b> B<'b> { + type As; +} + +trait E<'e> { + type As; +} +trait F<'f>: for<'a> A<'a> + for<'e> E<'e> {} +struct G<T> +where + T: for<'l, 'i> H<'l, 'i, As: for<'a> A<'a> + 'i> +{ + t: std::marker::PhantomData<T>, +} + +trait I<'a, 'b, 'c> { + type As; +} + +trait H<'d, 'e>: for<'f> I<'d, 'f, 'e> + 'd {} diff --git a/tests/rustdoc/inline_cross/auxiliary/repr.rs b/tests/rustdoc/inline_cross/auxiliary/repr.rs new file mode 100644 index 00000000000..64a98f18146 --- /dev/null +++ b/tests/rustdoc/inline_cross/auxiliary/repr.rs @@ -0,0 +1,4 @@ +#[repr(C)] +pub struct Foo { + field: u8, +} diff --git a/tests/rustdoc/inline_cross/repr.rs b/tests/rustdoc/inline_cross/repr.rs new file mode 100644 index 00000000000..7e1f2799af1 --- /dev/null +++ b/tests/rustdoc/inline_cross/repr.rs @@ -0,0 +1,13 @@ +// Regression test for <https://github.com/rust-lang/rust/issues/110698>. +// This test ensures that the re-exported items still have the `#[repr(...)]` attribute. + +// aux-build:repr.rs + +#![crate_name = "foo"] + +extern crate repr; + +// @has 'foo/struct.Foo.html' +// @has - '//*[@class="rust item-decl"]//*[@class="code-attribute"]' '#[repr(C)]' +#[doc(inline)] +pub use repr::Foo; diff --git a/tests/rustdoc/issue-106142.rs b/tests/rustdoc/issue-106142.rs new file mode 100644 index 00000000000..41505e72405 --- /dev/null +++ b/tests/rustdoc/issue-106142.rs @@ -0,0 +1,14 @@ +// @has 'issue_106142/a/index.html' +// @count 'issue_106142/a/index.html' '//ul[@class="item-table"]//li//a' 1 + +#![allow(rustdoc::broken_intra_doc_links)] + +pub mod a { + /// [`m`] + pub fn f() {} + + #[macro_export] + macro_rules! m { + () => {}; + } +} diff --git a/tests/ui/async-await/in-trait/nested-rpit.rs b/tests/ui/async-await/in-trait/nested-rpit.rs index 41d72ebb4d4..9cdc23bbc78 100644 --- a/tests/ui/async-await/in-trait/nested-rpit.rs +++ b/tests/ui/async-await/in-trait/nested-rpit.rs @@ -1,7 +1,5 @@ // edition: 2021 -// known-bug: #105197 -// failure-status:101 -// dont-check-compiler-stderr +// check-pass #![feature(async_fn_in_trait)] #![feature(return_position_impl_trait_in_trait)] diff --git a/tests/ui/async-await/return-type-notation/issue-110963-early.rs b/tests/ui/async-await/return-type-notation/issue-110963-early.rs new file mode 100644 index 00000000000..0ecbca5c13b --- /dev/null +++ b/tests/ui/async-await/return-type-notation/issue-110963-early.rs @@ -0,0 +1,48 @@ +// edition: 2021 +// known-bug: #110963 + +#![feature(return_type_notation)] +#![feature(async_fn_in_trait)] + +trait HealthCheck { + async fn check<'a: 'a>(&'a mut self) -> bool; +} + +async fn do_health_check_par<HC>(hc: HC) +where + HC: HealthCheck<check(): Send> + Send + 'static, +{ + spawn(async move { + let mut hc = hc; + if !hc.check().await { + log_health_check_failure().await; + } + }); +} + +async fn log_health_check_failure() {} + +fn main() {} + +// Fake tokio spawn + +use std::future::Future; +use std::pin::Pin; +use std::task::{Context, Poll}; + +fn spawn<F>(future: F) -> JoinHandle +where + F: Future + Send + 'static, + F::Output: Send + 'static, +{ + loop {} +} + +struct JoinHandle; + +impl Future for JoinHandle { + type Output = (); + fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> { + loop {} + } +} diff --git a/tests/ui/async-await/return-type-notation/issue-110963-early.stderr b/tests/ui/async-await/return-type-notation/issue-110963-early.stderr new file mode 100644 index 00000000000..b4a3924d8da --- /dev/null +++ b/tests/ui/async-await/return-type-notation/issue-110963-early.stderr @@ -0,0 +1,45 @@ +warning: the feature `return_type_notation` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/issue-110963-early.rs:4:12 + | +LL | #![feature(return_type_notation)] + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information + = note: `#[warn(incomplete_features)]` on by default + +warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/issue-110963-early.rs:5:12 + | +LL | #![feature(async_fn_in_trait)] + | ^^^^^^^^^^^^^^^^^ + | + = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information + +error: higher-ranked lifetime error + --> $DIR/issue-110963-early.rs:15:5 + | +LL | / spawn(async move { +LL | | let mut hc = hc; +LL | | if !hc.check().await { +LL | | log_health_check_failure().await; +LL | | } +LL | | }); + | |______^ + | + = note: could not prove `[async block@$DIR/issue-110963-early.rs:15:11: 20:6]: Send` + +error: higher-ranked lifetime error + --> $DIR/issue-110963-early.rs:15:5 + | +LL | / spawn(async move { +LL | | let mut hc = hc; +LL | | if !hc.check().await { +LL | | log_health_check_failure().await; +LL | | } +LL | | }); + | |______^ + | + = note: could not prove `[async block@$DIR/issue-110963-early.rs:15:11: 20:6]: Send` + +error: aborting due to 2 previous errors; 2 warnings emitted + diff --git a/tests/ui/async-await/return-type-notation/issue-110963-late.rs b/tests/ui/async-await/return-type-notation/issue-110963-late.rs new file mode 100644 index 00000000000..2a35922eaa1 --- /dev/null +++ b/tests/ui/async-await/return-type-notation/issue-110963-late.rs @@ -0,0 +1,50 @@ +// edition: 2021 +// check-pass + +#![feature(return_type_notation)] +//~^ WARN the feature `return_type_notation` is incomplete +#![feature(async_fn_in_trait)] +//~^ WARN the feature `async_fn_in_trait` is incomplete + +trait HealthCheck { + async fn check(&mut self) -> bool; +} + +async fn do_health_check_par<HC>(hc: HC) +where + HC: HealthCheck<check(): Send> + Send + 'static, +{ + spawn(async move { + let mut hc = hc; + if !hc.check().await { + log_health_check_failure().await; + } + }); +} + +async fn log_health_check_failure() {} + +fn main() {} + +// Fake tokio spawn + +use std::future::Future; +use std::pin::Pin; +use std::task::{Context, Poll}; + +fn spawn<F>(future: F) -> JoinHandle +where + F: Future + Send + 'static, + F::Output: Send + 'static, +{ + loop {} +} + +struct JoinHandle; + +impl Future for JoinHandle { + type Output = (); + fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> { + loop {} + } +} diff --git a/tests/ui/async-await/return-type-notation/issue-110963-late.stderr b/tests/ui/async-await/return-type-notation/issue-110963-late.stderr new file mode 100644 index 00000000000..36ef3ad0a4c --- /dev/null +++ b/tests/ui/async-await/return-type-notation/issue-110963-late.stderr @@ -0,0 +1,19 @@ +warning: the feature `return_type_notation` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/issue-110963-late.rs:4:12 + | +LL | #![feature(return_type_notation)] + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information + = note: `#[warn(incomplete_features)]` on by default + +warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/issue-110963-late.rs:6:12 + | +LL | #![feature(async_fn_in_trait)] + | ^^^^^^^^^^^^^^^^^ + | + = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information + +warning: 2 warnings emitted + diff --git a/tests/ui/attributes/invalid_macro_export_argument.deny.stderr b/tests/ui/attributes/invalid_macro_export_argument.deny.stderr new file mode 100644 index 00000000000..644acc27b58 --- /dev/null +++ b/tests/ui/attributes/invalid_macro_export_argument.deny.stderr @@ -0,0 +1,20 @@ +error: `#[macro_export]` can only take 1 or 0 arguments + --> $DIR/invalid_macro_export_argument.rs:7:1 + | +LL | #[macro_export(hello, world)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +note: the lint level is defined here + --> $DIR/invalid_macro_export_argument.rs:4:24 + | +LL | #![cfg_attr(deny, deny(invalid_macro_export_arguments))] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: `not_local_inner_macros` isn't a valid `#[macro_export]` argument + --> $DIR/invalid_macro_export_argument.rs:13:16 + | +LL | #[macro_export(not_local_inner_macros)] + | ^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 2 previous errors + diff --git a/tests/ui/attributes/invalid_macro_export_argument.rs b/tests/ui/attributes/invalid_macro_export_argument.rs index 85d009f11a6..a0ed5fd1c8f 100644 --- a/tests/ui/attributes/invalid_macro_export_argument.rs +++ b/tests/ui/attributes/invalid_macro_export_argument.rs @@ -1,10 +1,17 @@ -// check-pass -#[macro_export(hello, world)] //~ WARN `#[macro_export]` can only take 1 or 0 arguments +// revisions: deny allow +//[allow] check-pass + +#![cfg_attr(deny, deny(invalid_macro_export_arguments))] +#![cfg_attr(allow, allow(invalid_macro_export_arguments))] + +#[macro_export(hello, world)] +//[deny]~^ ERROR `#[macro_export]` can only take 1 or 0 arguments macro_rules! a { () => () } -#[macro_export(not_local_inner_macros)] //~ WARN `not_local_inner_macros` isn't a valid `#[macro_export]` argument +#[macro_export(not_local_inner_macros)] +//[deny]~^ ERROR `not_local_inner_macros` isn't a valid `#[macro_export]` argument macro_rules! b { () => () } diff --git a/tests/ui/attributes/invalid_macro_export_argument.stderr b/tests/ui/attributes/invalid_macro_export_argument.stderr deleted file mode 100644 index a4e17642c2a..00000000000 --- a/tests/ui/attributes/invalid_macro_export_argument.stderr +++ /dev/null @@ -1,16 +0,0 @@ -warning: `#[macro_export]` can only take 1 or 0 arguments - --> $DIR/invalid_macro_export_argument.rs:2:1 - | -LL | #[macro_export(hello, world)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: `#[warn(invalid_macro_export_arguments)]` on by default - -warning: `not_local_inner_macros` isn't a valid `#[macro_export]` argument - --> $DIR/invalid_macro_export_argument.rs:7:16 - | -LL | #[macro_export(not_local_inner_macros)] - | ^^^^^^^^^^^^^^^^^^^^^^ - -warning: 2 warnings emitted - diff --git a/tests/ui/binop/eq-arr.rs b/tests/ui/binop/eq-arr.rs new file mode 100644 index 00000000000..a77c4c5aabc --- /dev/null +++ b/tests/ui/binop/eq-arr.rs @@ -0,0 +1,7 @@ +fn main() { + struct X; + //~^ HELP consider annotating `X` with `#[derive(PartialEq)]` + let xs = [X, X, X]; + let eq = xs == [X, X, X]; + //~^ ERROR binary operation `==` cannot be applied to type `[X; 3]` +} diff --git a/tests/ui/binop/eq-arr.stderr b/tests/ui/binop/eq-arr.stderr new file mode 100644 index 00000000000..a22f8e3ab0c --- /dev/null +++ b/tests/ui/binop/eq-arr.stderr @@ -0,0 +1,22 @@ +error[E0369]: binary operation `==` cannot be applied to type `[X; 3]` + --> $DIR/eq-arr.rs:5:17 + | +LL | let eq = xs == [X, X, X]; + | -- ^^ --------- [X; 3] + | | + | [X; 3] + | +note: an implementation of `PartialEq` might be missing for `X` + --> $DIR/eq-arr.rs:2:5 + | +LL | struct X; + | ^^^^^^^^ must implement `PartialEq` +help: consider annotating `X` with `#[derive(PartialEq)]` + | +LL + #[derive(PartialEq)] +LL | struct X; + | + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0369`. diff --git a/tests/ui/binop/eq-vec.rs b/tests/ui/binop/eq-vec.rs new file mode 100644 index 00000000000..17ce8df8564 --- /dev/null +++ b/tests/ui/binop/eq-vec.rs @@ -0,0 +1,13 @@ +fn main() { + #[derive(Debug)] + enum Foo { + //~^ HELP consider annotating `Foo` with `#[derive(PartialEq)]` + Bar, + Qux, + } + + let vec1 = vec![Foo::Bar, Foo::Qux]; + let vec2 = vec![Foo::Bar, Foo::Qux]; + assert_eq!(vec1, vec2); + //~^ ERROR binary operation `==` cannot be applied to type `Vec<Foo>` +} diff --git a/tests/ui/binop/eq-vec.stderr b/tests/ui/binop/eq-vec.stderr new file mode 100644 index 00000000000..0a98cddfe05 --- /dev/null +++ b/tests/ui/binop/eq-vec.stderr @@ -0,0 +1,24 @@ +error[E0369]: binary operation `==` cannot be applied to type `Vec<Foo>` + --> $DIR/eq-vec.rs:11:5 + | +LL | assert_eq!(vec1, vec2); + | ^^^^^^^^^^^^^^^^^^^^^^ + | | + | Vec<Foo> + | Vec<Foo> + | +note: an implementation of `PartialEq` might be missing for `Foo` + --> $DIR/eq-vec.rs:3:5 + | +LL | enum Foo { + | ^^^^^^^^ must implement `PartialEq` + = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) +help: consider annotating `Foo` with `#[derive(PartialEq)]` + | +LL + #[derive(PartialEq)] +LL | enum Foo { + | + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0369`. diff --git a/tests/ui/binop/issue-28837.stderr b/tests/ui/binop/issue-28837.stderr index bb9f3b8af0f..6c98edd3af8 100644 --- a/tests/ui/binop/issue-28837.stderr +++ b/tests/ui/binop/issue-28837.stderr @@ -6,11 +6,11 @@ LL | a + a; | | | A | -note: an implementation of `Add<_>` might be missing for `A` +note: an implementation of `Add` might be missing for `A` --> $DIR/issue-28837.rs:1:1 | LL | struct A; - | ^^^^^^^^ must implement `Add<_>` + | ^^^^^^^^ must implement `Add` note: the trait `Add` must be implemented --> $SRC_DIR/core/src/ops/arith.rs:LL:COL @@ -22,11 +22,11 @@ LL | a - a; | | | A | -note: an implementation of `Sub<_>` might be missing for `A` +note: an implementation of `Sub` might be missing for `A` --> $DIR/issue-28837.rs:1:1 | LL | struct A; - | ^^^^^^^^ must implement `Sub<_>` + | ^^^^^^^^ must implement `Sub` note: the trait `Sub` must be implemented --> $SRC_DIR/core/src/ops/arith.rs:LL:COL @@ -38,11 +38,11 @@ LL | a * a; | | | A | -note: an implementation of `Mul<_>` might be missing for `A` +note: an implementation of `Mul` might be missing for `A` --> $DIR/issue-28837.rs:1:1 | LL | struct A; - | ^^^^^^^^ must implement `Mul<_>` + | ^^^^^^^^ must implement `Mul` note: the trait `Mul` must be implemented --> $SRC_DIR/core/src/ops/arith.rs:LL:COL @@ -54,11 +54,11 @@ LL | a / a; | | | A | -note: an implementation of `Div<_>` might be missing for `A` +note: an implementation of `Div` might be missing for `A` --> $DIR/issue-28837.rs:1:1 | LL | struct A; - | ^^^^^^^^ must implement `Div<_>` + | ^^^^^^^^ must implement `Div` note: the trait `Div` must be implemented --> $SRC_DIR/core/src/ops/arith.rs:LL:COL @@ -70,11 +70,11 @@ LL | a % a; | | | A | -note: an implementation of `Rem<_>` might be missing for `A` +note: an implementation of `Rem` might be missing for `A` --> $DIR/issue-28837.rs:1:1 | LL | struct A; - | ^^^^^^^^ must implement `Rem<_>` + | ^^^^^^^^ must implement `Rem` note: the trait `Rem` must be implemented --> $SRC_DIR/core/src/ops/arith.rs:LL:COL @@ -86,11 +86,11 @@ LL | a & a; | | | A | -note: an implementation of `BitAnd<_>` might be missing for `A` +note: an implementation of `BitAnd` might be missing for `A` --> $DIR/issue-28837.rs:1:1 | LL | struct A; - | ^^^^^^^^ must implement `BitAnd<_>` + | ^^^^^^^^ must implement `BitAnd` note: the trait `BitAnd` must be implemented --> $SRC_DIR/core/src/ops/bit.rs:LL:COL @@ -102,11 +102,11 @@ LL | a | a; | | | A | -note: an implementation of `BitOr<_>` might be missing for `A` +note: an implementation of `BitOr` might be missing for `A` --> $DIR/issue-28837.rs:1:1 | LL | struct A; - | ^^^^^^^^ must implement `BitOr<_>` + | ^^^^^^^^ must implement `BitOr` note: the trait `BitOr` must be implemented --> $SRC_DIR/core/src/ops/bit.rs:LL:COL @@ -118,11 +118,11 @@ LL | a << a; | | | A | -note: an implementation of `Shl<_>` might be missing for `A` +note: an implementation of `Shl` might be missing for `A` --> $DIR/issue-28837.rs:1:1 | LL | struct A; - | ^^^^^^^^ must implement `Shl<_>` + | ^^^^^^^^ must implement `Shl` note: the trait `Shl` must be implemented --> $SRC_DIR/core/src/ops/bit.rs:LL:COL @@ -134,11 +134,11 @@ LL | a >> a; | | | A | -note: an implementation of `Shr<_>` might be missing for `A` +note: an implementation of `Shr` might be missing for `A` --> $DIR/issue-28837.rs:1:1 | LL | struct A; - | ^^^^^^^^ must implement `Shr<_>` + | ^^^^^^^^ must implement `Shr` note: the trait `Shr` must be implemented --> $SRC_DIR/core/src/ops/bit.rs:LL:COL @@ -150,11 +150,11 @@ LL | a == a; | | | A | -note: an implementation of `PartialEq<_>` might be missing for `A` +note: an implementation of `PartialEq` might be missing for `A` --> $DIR/issue-28837.rs:1:1 | LL | struct A; - | ^^^^^^^^ must implement `PartialEq<_>` + | ^^^^^^^^ must implement `PartialEq` help: consider annotating `A` with `#[derive(PartialEq)]` | LL + #[derive(PartialEq)] @@ -169,11 +169,11 @@ LL | a != a; | | | A | -note: an implementation of `PartialEq<_>` might be missing for `A` +note: an implementation of `PartialEq` might be missing for `A` --> $DIR/issue-28837.rs:1:1 | LL | struct A; - | ^^^^^^^^ must implement `PartialEq<_>` + | ^^^^^^^^ must implement `PartialEq` help: consider annotating `A` with `#[derive(PartialEq)]` | LL + #[derive(PartialEq)] @@ -188,11 +188,11 @@ LL | a < a; | | | A | -note: an implementation of `PartialOrd<_>` might be missing for `A` +note: an implementation of `PartialOrd` might be missing for `A` --> $DIR/issue-28837.rs:1:1 | LL | struct A; - | ^^^^^^^^ must implement `PartialOrd<_>` + | ^^^^^^^^ must implement `PartialOrd` help: consider annotating `A` with `#[derive(PartialEq, PartialOrd)]` | LL + #[derive(PartialEq, PartialOrd)] @@ -207,11 +207,11 @@ LL | a <= a; | | | A | -note: an implementation of `PartialOrd<_>` might be missing for `A` +note: an implementation of `PartialOrd` might be missing for `A` --> $DIR/issue-28837.rs:1:1 | LL | struct A; - | ^^^^^^^^ must implement `PartialOrd<_>` + | ^^^^^^^^ must implement `PartialOrd` help: consider annotating `A` with `#[derive(PartialEq, PartialOrd)]` | LL + #[derive(PartialEq, PartialOrd)] @@ -226,11 +226,11 @@ LL | a > a; | | | A | -note: an implementation of `PartialOrd<_>` might be missing for `A` +note: an implementation of `PartialOrd` might be missing for `A` --> $DIR/issue-28837.rs:1:1 | LL | struct A; - | ^^^^^^^^ must implement `PartialOrd<_>` + | ^^^^^^^^ must implement `PartialOrd` help: consider annotating `A` with `#[derive(PartialEq, PartialOrd)]` | LL + #[derive(PartialEq, PartialOrd)] @@ -245,11 +245,11 @@ LL | a >= a; | | | A | -note: an implementation of `PartialOrd<_>` might be missing for `A` +note: an implementation of `PartialOrd` might be missing for `A` --> $DIR/issue-28837.rs:1:1 | LL | struct A; - | ^^^^^^^^ must implement `PartialOrd<_>` + | ^^^^^^^^ must implement `PartialOrd` help: consider annotating `A` with `#[derive(PartialEq, PartialOrd)]` | LL + #[derive(PartialEq, PartialOrd)] diff --git a/tests/ui/binop/issue-3820.stderr b/tests/ui/binop/issue-3820.stderr index c313ed6037f..cfa78a41dbf 100644 --- a/tests/ui/binop/issue-3820.stderr +++ b/tests/ui/binop/issue-3820.stderr @@ -6,11 +6,11 @@ LL | let w = u * 3; | | | Thing | -note: an implementation of `Mul<_>` might be missing for `Thing` +note: an implementation of `Mul<{integer}>` might be missing for `Thing` --> $DIR/issue-3820.rs:1:1 | LL | struct Thing { - | ^^^^^^^^^^^^ must implement `Mul<_>` + | ^^^^^^^^^^^^ must implement `Mul<{integer}>` note: the trait `Mul` must be implemented --> $SRC_DIR/core/src/ops/arith.rs:LL:COL diff --git a/tests/ui/coherence/coherence-overlap-negative-impls.rs b/tests/ui/coherence/coherence-overlap-negative-impls.rs new file mode 100644 index 00000000000..cd1df53a528 --- /dev/null +++ b/tests/ui/coherence/coherence-overlap-negative-impls.rs @@ -0,0 +1,41 @@ +// check-pass +// known-bug: #74629 + +// Should fail. The `0` and `1` impls overlap, violating coherence. Eg, with +// `T = Test, F = ()`, all bounds are true, making both impls applicable. +// `Test: Fold<Nil>`, `Test: Fold<()>` are true because of `2`. +// `Is<Test>: NotNil` is true because of `auto trait` and lack of negative impl. + +#![feature(negative_impls)] +#![feature(auto_traits)] + +struct Nil; +struct Cons<H>(H); +struct Test; + +trait Fold<F> {} + +impl<T, F> Fold<F> for Cons<T> // 0 +where + T: Fold<Nil>, +{} + +impl<T, F> Fold<F> for Cons<T> // 1 +where + T: Fold<F>, + private::Is<T>: private::NotNil, +{} + +impl<F> Fold<F> for Test {} // 2 + +mod private { + use crate::Nil; + + pub struct Is<T>(T); + pub auto trait NotNil {} + + #[allow(suspicious_auto_trait_impls)] + impl !NotNil for Is<Nil> {} +} + +fn main() {} diff --git a/tests/ui/const-ptr/forbidden_slices.stderr b/tests/ui/const-ptr/forbidden_slices.stderr index b42361872c4..817cfb0acf9 100644 --- a/tests/ui/const-ptr/forbidden_slices.stderr +++ b/tests/ui/const-ptr/forbidden_slices.stderr @@ -131,8 +131,6 @@ error[E0080]: could not evaluate static initializer | = note: out-of-bounds pointer arithmetic: allocN has size 4, so pointer to 8 bytes starting at offset 0 is out-of-bounds | -note: inside `ptr::const_ptr::<impl *const u32>::offset` - --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL note: inside `ptr::const_ptr::<impl *const u32>::add` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL note: inside `R2` @@ -195,8 +193,6 @@ error[E0080]: could not evaluate static initializer | = note: out-of-bounds pointer arithmetic: allocN has size 8, so pointer to 8 bytes starting at offset 1 is out-of-bounds | -note: inside `ptr::const_ptr::<impl *const u64>::offset` - --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL note: inside `ptr::const_ptr::<impl *const u64>::add` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL note: inside `R8` diff --git a/tests/ui/derives/derives-span-PartialEq-enum-struct-variant.stderr b/tests/ui/derives/derives-span-PartialEq-enum-struct-variant.stderr index 9fc25f2ade4..e3b17431f89 100644 --- a/tests/ui/derives/derives-span-PartialEq-enum-struct-variant.stderr +++ b/tests/ui/derives/derives-span-PartialEq-enum-struct-variant.stderr @@ -7,11 +7,11 @@ LL | #[derive(PartialEq)] LL | x: Error | ^^^^^^^^ | -note: an implementation of `PartialEq<_>` might be missing for `Error` +note: an implementation of `PartialEq` might be missing for `Error` --> $DIR/derives-span-PartialEq-enum-struct-variant.rs:4:1 | LL | struct Error; - | ^^^^^^^^^^^^ must implement `PartialEq<_>` + | ^^^^^^^^^^^^ must implement `PartialEq` = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(PartialEq)]` | diff --git a/tests/ui/derives/derives-span-PartialEq-enum.stderr b/tests/ui/derives/derives-span-PartialEq-enum.stderr index f56e784478d..d1631732a34 100644 --- a/tests/ui/derives/derives-span-PartialEq-enum.stderr +++ b/tests/ui/derives/derives-span-PartialEq-enum.stderr @@ -7,11 +7,11 @@ LL | #[derive(PartialEq)] LL | Error | ^^^^^ | -note: an implementation of `PartialEq<_>` might be missing for `Error` +note: an implementation of `PartialEq` might be missing for `Error` --> $DIR/derives-span-PartialEq-enum.rs:4:1 | LL | struct Error; - | ^^^^^^^^^^^^ must implement `PartialEq<_>` + | ^^^^^^^^^^^^ must implement `PartialEq` = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(PartialEq)]` | diff --git a/tests/ui/derives/derives-span-PartialEq-struct.stderr b/tests/ui/derives/derives-span-PartialEq-struct.stderr index 76c0b0104af..ab6c6951fc6 100644 --- a/tests/ui/derives/derives-span-PartialEq-struct.stderr +++ b/tests/ui/derives/derives-span-PartialEq-struct.stderr @@ -7,11 +7,11 @@ LL | struct Struct { LL | x: Error | ^^^^^^^^ | -note: an implementation of `PartialEq<_>` might be missing for `Error` +note: an implementation of `PartialEq` might be missing for `Error` --> $DIR/derives-span-PartialEq-struct.rs:4:1 | LL | struct Error; - | ^^^^^^^^^^^^ must implement `PartialEq<_>` + | ^^^^^^^^^^^^ must implement `PartialEq` = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(PartialEq)]` | diff --git a/tests/ui/derives/derives-span-PartialEq-tuple-struct.stderr b/tests/ui/derives/derives-span-PartialEq-tuple-struct.stderr index 7dae01dbb99..865ecad0e8e 100644 --- a/tests/ui/derives/derives-span-PartialEq-tuple-struct.stderr +++ b/tests/ui/derives/derives-span-PartialEq-tuple-struct.stderr @@ -7,11 +7,11 @@ LL | struct Struct( LL | Error | ^^^^^ | -note: an implementation of `PartialEq<_>` might be missing for `Error` +note: an implementation of `PartialEq` might be missing for `Error` --> $DIR/derives-span-PartialEq-tuple-struct.rs:4:1 | LL | struct Error; - | ^^^^^^^^^^^^ must implement `PartialEq<_>` + | ^^^^^^^^^^^^ must implement `PartialEq` = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(PartialEq)]` | diff --git a/tests/ui/derives/deriving-no-inner-impl-error-message.stderr b/tests/ui/derives/deriving-no-inner-impl-error-message.stderr index 10af5d36ed9..ab99ba9fab5 100644 --- a/tests/ui/derives/deriving-no-inner-impl-error-message.stderr +++ b/tests/ui/derives/deriving-no-inner-impl-error-message.stderr @@ -7,11 +7,11 @@ LL | struct E { LL | x: NoCloneOrEq | ^^^^^^^^^^^^^^ | -note: an implementation of `PartialEq<_>` might be missing for `NoCloneOrEq` +note: an implementation of `PartialEq` might be missing for `NoCloneOrEq` --> $DIR/deriving-no-inner-impl-error-message.rs:1:1 | LL | struct NoCloneOrEq; - | ^^^^^^^^^^^^^^^^^^ must implement `PartialEq<_>` + | ^^^^^^^^^^^^^^^^^^ must implement `PartialEq` = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `NoCloneOrEq` with `#[derive(PartialEq)]` | diff --git a/tests/ui/destructuring-assignment/note-unsupported.stderr b/tests/ui/destructuring-assignment/note-unsupported.stderr index 8a88332b73e..f556330070c 100644 --- a/tests/ui/destructuring-assignment/note-unsupported.stderr +++ b/tests/ui/destructuring-assignment/note-unsupported.stderr @@ -44,11 +44,11 @@ LL | S { x: a, y: b } += s; | | | cannot use `+=` on type `S` | -note: an implementation of `AddAssign<_>` might be missing for `S` +note: an implementation of `AddAssign` might be missing for `S` --> $DIR/note-unsupported.rs:1:1 | LL | struct S { x: u8, y: u8 } - | ^^^^^^^^ must implement `AddAssign<_>` + | ^^^^^^^^ must implement `AddAssign` note: the trait `AddAssign` must be implemented --> $SRC_DIR/core/src/ops/arith.rs:LL:COL diff --git a/tests/ui/fmt/ifmt-bad-arg.stderr b/tests/ui/fmt/ifmt-bad-arg.stderr index bf18fb315c9..ed008c454a3 100644 --- a/tests/ui/fmt/ifmt-bad-arg.stderr +++ b/tests/ui/fmt/ifmt-bad-arg.stderr @@ -307,7 +307,7 @@ LL | println!("{} {:.*} {}", 1, 3.2, 4); = note: expected reference `&usize` found reference `&{float}` note: associated function defined here - --> $SRC_DIR/core/src/fmt/mod.rs:LL:COL + --> $SRC_DIR/core/src/fmt/rt.rs:LL:COL = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0308]: mismatched types @@ -321,7 +321,7 @@ LL | println!("{} {:07$.*} {}", 1, 3.2, 4); = note: expected reference `&usize` found reference `&{float}` note: associated function defined here - --> $SRC_DIR/core/src/fmt/mod.rs:LL:COL + --> $SRC_DIR/core/src/fmt/rt.rs:LL:COL = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 38 previous errors diff --git a/tests/ui/fmt/ifmt-unimpl.stderr b/tests/ui/fmt/ifmt-unimpl.stderr index dc2dee3f341..cc316e55f5c 100644 --- a/tests/ui/fmt/ifmt-unimpl.stderr +++ b/tests/ui/fmt/ifmt-unimpl.stderr @@ -17,9 +17,9 @@ LL | format!("{:X}", "3"); NonZeroIsize and 21 others = note: required for `&str` to implement `UpperHex` -note: required by a bound in `core::fmt::ArgumentV1::<'a>::new_upper_hex` - --> $SRC_DIR/core/src/fmt/mod.rs:LL:COL - = note: this error originates in the macro `$crate::__export::format_args` which comes from the expansion of the macro `arg_new` (in Nightly builds, run with -Z macro-backtrace for more info) +note: required by a bound in `core::fmt::rt::Argument::<'a>::new_upper_hex` + --> $SRC_DIR/core/src/fmt/rt.rs:LL:COL + = note: this error originates in the macro `$crate::__export::format_args` which comes from the expansion of the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to previous error diff --git a/tests/ui/fmt/send-sync.stderr b/tests/ui/fmt/send-sync.stderr index d43f4f0d957..b517a342e63 100644 --- a/tests/ui/fmt/send-sync.stderr +++ b/tests/ui/fmt/send-sync.stderr @@ -1,16 +1,16 @@ -error[E0277]: `core::fmt::Opaque` cannot be shared between threads safely +error[E0277]: `core::fmt::rt::Opaque` cannot be shared between threads safely --> $DIR/send-sync.rs:8:10 | LL | send(format_args!("{:?}", c)); - | ---- ^^^^^^^^^^^^^^^^^^^^^^^ `core::fmt::Opaque` cannot be shared between threads safely + | ---- ^^^^^^^^^^^^^^^^^^^^^^^ `core::fmt::rt::Opaque` cannot be shared between threads safely | | | required by a bound introduced by this call | - = help: within `[core::fmt::ArgumentV1<'_>]`, the trait `Sync` is not implemented for `core::fmt::Opaque` - = note: required because it appears within the type `&core::fmt::Opaque` - = note: required because it appears within the type `ArgumentV1<'_>` - = note: required because it appears within the type `[ArgumentV1<'_>]` - = note: required for `&[core::fmt::ArgumentV1<'_>]` to implement `Send` + = help: within `[core::fmt::rt::Argument<'_>]`, the trait `Sync` is not implemented for `core::fmt::rt::Opaque` + = note: required because it appears within the type `&core::fmt::rt::Opaque` + = note: required because it appears within the type `Argument<'_>` + = note: required because it appears within the type `[Argument<'_>]` + = note: required for `&[core::fmt::rt::Argument<'_>]` to implement `Send` = note: required because it appears within the type `Arguments<'_>` note: required by a bound in `send` --> $DIR/send-sync.rs:1:12 @@ -18,19 +18,19 @@ note: required by a bound in `send` LL | fn send<T: Send>(_: T) {} | ^^^^ required by this bound in `send` -error[E0277]: `core::fmt::Opaque` cannot be shared between threads safely +error[E0277]: `core::fmt::rt::Opaque` cannot be shared between threads safely --> $DIR/send-sync.rs:9:10 | LL | sync(format_args!("{:?}", c)); - | ---- ^^^^^^^^^^^^^^^^^^^^^^^ `core::fmt::Opaque` cannot be shared between threads safely + | ---- ^^^^^^^^^^^^^^^^^^^^^^^ `core::fmt::rt::Opaque` cannot be shared between threads safely | | | required by a bound introduced by this call | - = help: within `Arguments<'_>`, the trait `Sync` is not implemented for `core::fmt::Opaque` - = note: required because it appears within the type `&core::fmt::Opaque` - = note: required because it appears within the type `ArgumentV1<'_>` - = note: required because it appears within the type `[ArgumentV1<'_>]` - = note: required because it appears within the type `&[ArgumentV1<'_>]` + = help: within `Arguments<'_>`, the trait `Sync` is not implemented for `core::fmt::rt::Opaque` + = note: required because it appears within the type `&core::fmt::rt::Opaque` + = note: required because it appears within the type `Argument<'_>` + = note: required because it appears within the type `[Argument<'_>]` + = note: required because it appears within the type `&[Argument<'_>]` = note: required because it appears within the type `Arguments<'_>` note: required by a bound in `sync` --> $DIR/send-sync.rs:2:12 diff --git a/tests/ui/generator/issue-110929-generator-conflict-error-ice.rs b/tests/ui/generator/issue-110929-generator-conflict-error-ice.rs new file mode 100644 index 00000000000..9408acc15f9 --- /dev/null +++ b/tests/ui/generator/issue-110929-generator-conflict-error-ice.rs @@ -0,0 +1,12 @@ +// edition:2021 +// compile-flags: -Zdrop-tracking-mir=yes +#![feature(generators)] + +fn main() { + let x = &mut (); + || { + let _c = || yield *&mut *x; + || _ = &mut *x; + //~^ cannot borrow `*x` as mutable more than once at a time + }; +} diff --git a/tests/ui/generator/issue-110929-generator-conflict-error-ice.stderr b/tests/ui/generator/issue-110929-generator-conflict-error-ice.stderr new file mode 100644 index 00000000000..4d72ebe79eb --- /dev/null +++ b/tests/ui/generator/issue-110929-generator-conflict-error-ice.stderr @@ -0,0 +1,18 @@ +error[E0499]: cannot borrow `*x` as mutable more than once at a time + --> $DIR/issue-110929-generator-conflict-error-ice.rs:9:9 + | +LL | let _c = || yield *&mut *x; + | -- -- first borrow occurs due to use of `*x` in generator + | | + | first mutable borrow occurs here +LL | || _ = &mut *x; + | ^^ -- second borrow occurs due to use of `*x` in closure + | | + | second mutable borrow occurs here +LL | +LL | }; + | - first borrow might be used here, when `_c` is dropped and runs the destructor for generator + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0499`. diff --git a/tests/ui/io-checks/inaccessbile-temp-dir.rs b/tests/ui/io-checks/inaccessbile-temp-dir.rs deleted file mode 100644 index 9c0aa013572..00000000000 --- a/tests/ui/io-checks/inaccessbile-temp-dir.rs +++ /dev/null @@ -1,39 +0,0 @@ -// Issue #66530: We would ICE if someone compiled with `-o /dev/null`, -// because we would try to generate auxiliary files in `/dev/` (which -// at least the OS X file system rejects). -// -// An attempt to `-o` into a directory we cannot write into should indeed -// be an error; but not an ICE. -// -// However, some folks run tests as root, which can write `/dev/` and end -// up clobbering `/dev/null`. Instead we'll use a non-existent path, which -// also used to ICE, but even root can't magically write there. - -// compile-flags: -Z temps-dir=/does-not-exist/output - -// The error-pattern check occurs *before* normalization, and the error patterns -// are wildly different between build environments. So this is a cop-out (and we -// rely on the checking of the normalized stderr output as our actual -// "verification" of the diagnostic). - -// error-pattern: error - -// On Mac OS X, we get an error like the below -// normalize-stderr-test "failed to write bytecode to /does-not-exist/output.non_ice_error_on_worker_io_fail.*" -> "io error modifying /does-not-exist/" - -// On Linux, we get an error like the below -// normalize-stderr-test "couldn't create a temp dir.*" -> "io error modifying /does-not-exist/" - -// ignore-windows - this is a unix-specific test -// ignore-emscripten - the file-system issues do not replicate here -// ignore-wasm - the file-system issues do not replicate here -// ignore-arm - the file-system issues do not replicate here, at least on armhf-gnu - -#![crate_type = "lib"] -#![cfg_attr(not(feature = "std"), no_std)] -pub mod task { - pub mod __internal { - use crate::task::Waker; - } - pub use core::task::Waker; -} diff --git a/tests/ui/io-checks/inaccessbile-temp-dir.stderr b/tests/ui/io-checks/inaccessbile-temp-dir.stderr deleted file mode 100644 index 2fc5f93ef79..00000000000 --- a/tests/ui/io-checks/inaccessbile-temp-dir.stderr +++ /dev/null @@ -1,4 +0,0 @@ -error: failed to find or create the directory specified by `--temps-dir` - -error: aborting due to previous error - diff --git a/tests/ui/io-checks/non-ice-error-on-worker-io-fail.rs b/tests/ui/io-checks/non-ice-error-on-worker-io-fail.rs index 134e7d420e3..6ec81a94306 100644 --- a/tests/ui/io-checks/non-ice-error-on-worker-io-fail.rs +++ b/tests/ui/io-checks/non-ice-error-on-worker-io-fail.rs @@ -9,7 +9,7 @@ // up clobbering `/dev/null`. Instead we'll use a non-existent path, which // also used to ICE, but even root can't magically write there. -// compile-flags: -o /does-not-exist/output +// compile-flags: -o ./does-not-exist/output // The error-pattern check occurs *before* normalization, and the error patterns // are wildly different between build environments. So this is a cop-out (and we @@ -19,22 +19,14 @@ // error-pattern: error // On Mac OS X, we get an error like the below -// normalize-stderr-test "failed to write bytecode to /does-not-exist/output.non_ice_error_on_worker_io_fail.*" -> "io error modifying /does-not-exist/" +// normalize-stderr-test "failed to write bytecode to ./does-not-exist/output.non_ice_error_on_worker_io_fail.*" -> "io error modifying ./does-not-exist/" // On Linux, we get an error like the below -// normalize-stderr-test "couldn't create a temp dir.*" -> "io error modifying /does-not-exist/" +// normalize-stderr-test "couldn't create a temp dir.*" -> "io error modifying ./does-not-exist/" // ignore-windows - this is a unix-specific test // ignore-emscripten - the file-system issues do not replicate here // ignore-wasm - the file-system issues do not replicate here // ignore-arm - the file-system issues do not replicate here, at least on armhf-gnu -#![crate_type="lib"] - -#![cfg_attr(not(feature = "std"), no_std)] -pub mod task { - pub mod __internal { - use crate::task::Waker; - } - pub use core::task::Waker; -} +#![crate_type = "lib"] diff --git a/tests/ui/io-checks/non-ice-error-on-worker-io-fail.stderr b/tests/ui/io-checks/non-ice-error-on-worker-io-fail.stderr index edadecf273a..f1d9ed8ac8b 100644 --- a/tests/ui/io-checks/non-ice-error-on-worker-io-fail.stderr +++ b/tests/ui/io-checks/non-ice-error-on-worker-io-fail.stderr @@ -1,6 +1,6 @@ warning: ignoring --out-dir flag due to -o flag -error: io error modifying /does-not-exist/ +error: io error modifying ./does-not-exist/ error: aborting due to previous error; 1 warning emitted diff --git a/tests/ui/issues/issue-62375.stderr b/tests/ui/issues/issue-62375.stderr index a6fd3700edd..cd632e64fe5 100644 --- a/tests/ui/issues/issue-62375.stderr +++ b/tests/ui/issues/issue-62375.stderr @@ -6,16 +6,17 @@ LL | a == A::Value; | | | A | -note: an implementation of `PartialEq<_>` might be missing for `A` +note: an implementation of `PartialEq<fn(()) -> A {A::Value}>` might be missing for `A` --> $DIR/issue-62375.rs:1:1 | LL | enum A { - | ^^^^^^ must implement `PartialEq<_>` -help: consider annotating `A` with `#[derive(PartialEq)]` - | -LL + #[derive(PartialEq)] -LL | enum A { + | ^^^^^^ must implement `PartialEq<fn(()) -> A {A::Value}>` +note: the trait `PartialEq` must be implemented + --> $SRC_DIR/core/src/cmp.rs:LL:COL +help: use parentheses to construct this tuple variant | +LL | a == A::Value(/* () */); + | ++++++++++ error: aborting due to previous error diff --git a/tests/ui/lint/unused/lint-unused-mut-variables.rs b/tests/ui/lint/unused/lint-unused-mut-variables.rs index 67ec7facf17..5334ab5824d 100644 --- a/tests/ui/lint/unused/lint-unused-mut-variables.rs +++ b/tests/ui/lint/unused/lint-unused-mut-variables.rs @@ -205,3 +205,11 @@ fn bar() { let mut b = vec![2]; //~ ERROR: variable does not need to be mutable } + +struct Arg(i32); + +// Regression test for https://github.com/rust-lang/rust/issues/110849 +fn write_through_reference(mut arg: &mut Arg) { + //~^ WARN: variable does not need to be mutable + arg.0 = 1 +} diff --git a/tests/ui/lint/unused/lint-unused-mut-variables.stderr b/tests/ui/lint/unused/lint-unused-mut-variables.stderr index 805ed2b40bb..5f66c031581 100644 --- a/tests/ui/lint/unused/lint-unused-mut-variables.stderr +++ b/tests/ui/lint/unused/lint-unused-mut-variables.stderr @@ -218,5 +218,13 @@ note: the lint level is defined here LL | #[deny(unused_mut)] | ^^^^^^^^^^ -error: aborting due to previous error; 25 warnings emitted +warning: variable does not need to be mutable + --> $DIR/lint-unused-mut-variables.rs:212:28 + | +LL | fn write_through_reference(mut arg: &mut Arg) { + | ----^^^ + | | + | help: remove this `mut` + +error: aborting due to previous error; 26 warnings emitted diff --git a/tests/ui/macros/missing-bang-in-decl.stderr b/tests/ui/macros/missing-bang-in-decl.stderr index dfabafb0a7a..aa78c9a6906 100644 --- a/tests/ui/macros/missing-bang-in-decl.stderr +++ b/tests/ui/macros/missing-bang-in-decl.stderr @@ -2,13 +2,23 @@ error: expected `!` after `macro_rules` --> $DIR/missing-bang-in-decl.rs:5:1 | LL | macro_rules foo { - | ^^^^^^^^^^^ help: add a `!`: `macro_rules!` + | ^^^^^^^^^^^ + | +help: add a `!` + | +LL | macro_rules! foo { + | + error: expected `!` after `macro_rules` --> $DIR/missing-bang-in-decl.rs:10:1 | LL | macro_rules bar! { - | ^^^^^^^^^^^ help: add a `!`: `macro_rules!` + | ^^^^^^^^^^^ + | +help: add a `!` + | +LL | macro_rules! bar! { + | + error: macro names aren't followed by a `!` --> $DIR/missing-bang-in-decl.rs:10:16 diff --git a/tests/ui/mismatched_types/assignment-operator-unimplemented.stderr b/tests/ui/mismatched_types/assignment-operator-unimplemented.stderr index 2393791a9b2..66a85c4656a 100644 --- a/tests/ui/mismatched_types/assignment-operator-unimplemented.stderr +++ b/tests/ui/mismatched_types/assignment-operator-unimplemented.stderr @@ -6,11 +6,11 @@ LL | a += *b; | | | cannot use `+=` on type `Foo` | -note: an implementation of `AddAssign<_>` might be missing for `Foo` +note: an implementation of `AddAssign` might be missing for `Foo` --> $DIR/assignment-operator-unimplemented.rs:1:1 | LL | struct Foo; - | ^^^^^^^^^^ must implement `AddAssign<_>` + | ^^^^^^^^^^ must implement `AddAssign` note: the trait `AddAssign` must be implemented --> $SRC_DIR/core/src/ops/arith.rs:LL:COL diff --git a/tests/ui/or-patterns/or-patterns-syntactic-fail.stderr b/tests/ui/or-patterns/or-patterns-syntactic-fail.stderr index 10d42b7e3c0..604bba417e6 100644 --- a/tests/ui/or-patterns/or-patterns-syntactic-fail.stderr +++ b/tests/ui/or-patterns/or-patterns-syntactic-fail.stderr @@ -30,11 +30,11 @@ LL | let _ = |A | B: E| (); | | | E | -note: an implementation of `BitOr<_>` might be missing for `E` +note: an implementation of `BitOr<()>` might be missing for `E` --> $DIR/or-patterns-syntactic-fail.rs:6:1 | LL | enum E { A, B } - | ^^^^^^ must implement `BitOr<_>` + | ^^^^^^ must implement `BitOr<()>` note: the trait `BitOr` must be implemented --> $SRC_DIR/core/src/ops/bit.rs:LL:COL diff --git a/tests/ui/panics/fmt-only-once.rs b/tests/ui/panics/fmt-only-once.rs new file mode 100644 index 00000000000..6211bf961b3 --- /dev/null +++ b/tests/ui/panics/fmt-only-once.rs @@ -0,0 +1,21 @@ +// run-fail +// check-run-results +// exec-env:RUST_BACKTRACE=0 + +// Test that we format the panic message only once. +// Regression test for https://github.com/rust-lang/rust/issues/110717 + +use std::fmt; + +struct PrintOnFmt; + +impl fmt::Display for PrintOnFmt { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + eprintln!("fmt"); + f.write_str("PrintOnFmt") + } +} + +fn main() { + panic!("{}", PrintOnFmt) +} diff --git a/tests/ui/panics/fmt-only-once.run.stderr b/tests/ui/panics/fmt-only-once.run.stderr new file mode 100644 index 00000000000..39bd06881ad --- /dev/null +++ b/tests/ui/panics/fmt-only-once.run.stderr @@ -0,0 +1,3 @@ +fmt +thread 'main' panicked at 'PrintOnFmt', $DIR/fmt-only-once.rs:20:5 +note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace diff --git a/tests/ui/parser/item-kw-case-mismatch.fixed b/tests/ui/parser/item-kw-case-mismatch.fixed index 1794268f260..4b99537fbf7 100644 --- a/tests/ui/parser/item-kw-case-mismatch.fixed +++ b/tests/ui/parser/item-kw-case-mismatch.fixed @@ -4,31 +4,31 @@ fn main() {} -use std::ptr::read; //~ ERROR keyword `use` is written in a wrong case -use std::ptr::write; //~ ERROR keyword `use` is written in a wrong case +use std::ptr::read; //~ ERROR keyword `use` is written in the wrong case +use std::ptr::write; //~ ERROR keyword `use` is written in the wrong case async fn _a() {} -//~^ ERROR keyword `fn` is written in a wrong case +//~^ ERROR keyword `fn` is written in the wrong case fn _b() {} -//~^ ERROR keyword `fn` is written in a wrong case +//~^ ERROR keyword `fn` is written in the wrong case async fn _c() {} -//~^ ERROR keyword `async` is written in a wrong case -//~| ERROR keyword `fn` is written in a wrong case +//~^ ERROR keyword `async` is written in the wrong case +//~| ERROR keyword `fn` is written in the wrong case async fn _d() {} -//~^ ERROR keyword `async` is written in a wrong case +//~^ ERROR keyword `async` is written in the wrong case const unsafe fn _e() {} -//~^ ERROR keyword `const` is written in a wrong case -//~| ERROR keyword `unsafe` is written in a wrong case -//~| ERROR keyword `fn` is written in a wrong case +//~^ ERROR keyword `const` is written in the wrong case +//~| ERROR keyword `unsafe` is written in the wrong case +//~| ERROR keyword `fn` is written in the wrong case unsafe extern fn _f() {} -//~^ ERROR keyword `unsafe` is written in a wrong case -//~| ERROR keyword `extern` is written in a wrong case +//~^ ERROR keyword `unsafe` is written in the wrong case +//~| ERROR keyword `extern` is written in the wrong case extern "C" fn _g() {} -//~^ ERROR keyword `extern` is written in a wrong case -//~| ERROR keyword `fn` is written in a wrong case +//~^ ERROR keyword `extern` is written in the wrong case +//~| ERROR keyword `fn` is written in the wrong case diff --git a/tests/ui/parser/item-kw-case-mismatch.rs b/tests/ui/parser/item-kw-case-mismatch.rs index ac8390efdb9..b11ec93754f 100644 --- a/tests/ui/parser/item-kw-case-mismatch.rs +++ b/tests/ui/parser/item-kw-case-mismatch.rs @@ -4,31 +4,31 @@ fn main() {} -Use std::ptr::read; //~ ERROR keyword `use` is written in a wrong case -USE std::ptr::write; //~ ERROR keyword `use` is written in a wrong case +Use std::ptr::read; //~ ERROR keyword `use` is written in the wrong case +USE std::ptr::write; //~ ERROR keyword `use` is written in the wrong case async Fn _a() {} -//~^ ERROR keyword `fn` is written in a wrong case +//~^ ERROR keyword `fn` is written in the wrong case Fn _b() {} -//~^ ERROR keyword `fn` is written in a wrong case +//~^ ERROR keyword `fn` is written in the wrong case aSYNC fN _c() {} -//~^ ERROR keyword `async` is written in a wrong case -//~| ERROR keyword `fn` is written in a wrong case +//~^ ERROR keyword `async` is written in the wrong case +//~| ERROR keyword `fn` is written in the wrong case Async fn _d() {} -//~^ ERROR keyword `async` is written in a wrong case +//~^ ERROR keyword `async` is written in the wrong case CONST UNSAFE FN _e() {} -//~^ ERROR keyword `const` is written in a wrong case -//~| ERROR keyword `unsafe` is written in a wrong case -//~| ERROR keyword `fn` is written in a wrong case +//~^ ERROR keyword `const` is written in the wrong case +//~| ERROR keyword `unsafe` is written in the wrong case +//~| ERROR keyword `fn` is written in the wrong case unSAFE EXTern fn _f() {} -//~^ ERROR keyword `unsafe` is written in a wrong case -//~| ERROR keyword `extern` is written in a wrong case +//~^ ERROR keyword `unsafe` is written in the wrong case +//~| ERROR keyword `extern` is written in the wrong case EXTERN "C" FN _g() {} -//~^ ERROR keyword `extern` is written in a wrong case -//~| ERROR keyword `fn` is written in a wrong case +//~^ ERROR keyword `extern` is written in the wrong case +//~| ERROR keyword `fn` is written in the wrong case diff --git a/tests/ui/parser/item-kw-case-mismatch.stderr b/tests/ui/parser/item-kw-case-mismatch.stderr index e66dae825f9..ba59ea85363 100644 --- a/tests/ui/parser/item-kw-case-mismatch.stderr +++ b/tests/ui/parser/item-kw-case-mismatch.stderr @@ -1,82 +1,82 @@ -error: keyword `use` is written in a wrong case +error: keyword `use` is written in the wrong case --> $DIR/item-kw-case-mismatch.rs:7:1 | LL | Use std::ptr::read; | ^^^ help: write it in the correct case (notice the capitalization): `use` -error: keyword `use` is written in a wrong case +error: keyword `use` is written in the wrong case --> $DIR/item-kw-case-mismatch.rs:8:1 | LL | USE std::ptr::write; | ^^^ help: write it in the correct case: `use` -error: keyword `fn` is written in a wrong case +error: keyword `fn` is written in the wrong case --> $DIR/item-kw-case-mismatch.rs:10:7 | LL | async Fn _a() {} | ^^ help: write it in the correct case (notice the capitalization): `fn` -error: keyword `fn` is written in a wrong case +error: keyword `fn` is written in the wrong case --> $DIR/item-kw-case-mismatch.rs:13:1 | LL | Fn _b() {} | ^^ help: write it in the correct case (notice the capitalization): `fn` -error: keyword `async` is written in a wrong case +error: keyword `async` is written in the wrong case --> $DIR/item-kw-case-mismatch.rs:16:1 | LL | aSYNC fN _c() {} | ^^^^^ help: write it in the correct case: `async` -error: keyword `fn` is written in a wrong case +error: keyword `fn` is written in the wrong case --> $DIR/item-kw-case-mismatch.rs:16:7 | LL | aSYNC fN _c() {} | ^^ help: write it in the correct case: `fn` -error: keyword `async` is written in a wrong case +error: keyword `async` is written in the wrong case --> $DIR/item-kw-case-mismatch.rs:20:1 | LL | Async fn _d() {} | ^^^^^ help: write it in the correct case: `async` -error: keyword `const` is written in a wrong case +error: keyword `const` is written in the wrong case --> $DIR/item-kw-case-mismatch.rs:23:1 | LL | CONST UNSAFE FN _e() {} | ^^^^^ help: write it in the correct case: `const` -error: keyword `unsafe` is written in a wrong case +error: keyword `unsafe` is written in the wrong case --> $DIR/item-kw-case-mismatch.rs:23:7 | LL | CONST UNSAFE FN _e() {} | ^^^^^^ help: write it in the correct case: `unsafe` -error: keyword `fn` is written in a wrong case +error: keyword `fn` is written in the wrong case --> $DIR/item-kw-case-mismatch.rs:23:14 | LL | CONST UNSAFE FN _e() {} | ^^ help: write it in the correct case: `fn` -error: keyword `unsafe` is written in a wrong case +error: keyword `unsafe` is written in the wrong case --> $DIR/item-kw-case-mismatch.rs:28:1 | LL | unSAFE EXTern fn _f() {} | ^^^^^^ help: write it in the correct case: `unsafe` -error: keyword `extern` is written in a wrong case +error: keyword `extern` is written in the wrong case --> $DIR/item-kw-case-mismatch.rs:28:8 | LL | unSAFE EXTern fn _f() {} | ^^^^^^ help: write it in the correct case: `extern` -error: keyword `extern` is written in a wrong case +error: keyword `extern` is written in the wrong case --> $DIR/item-kw-case-mismatch.rs:32:1 | LL | EXTERN "C" FN _g() {} | ^^^^^^ help: write it in the correct case: `extern` -error: keyword `fn` is written in a wrong case +error: keyword `fn` is written in the wrong case --> $DIR/item-kw-case-mismatch.rs:32:12 | LL | EXTERN "C" FN _g() {} diff --git a/tests/ui/parser/recover-unticked-labels.stderr b/tests/ui/parser/recover-unticked-labels.stderr index c115dffb10e..fbd108ca613 100644 --- a/tests/ui/parser/recover-unticked-labels.stderr +++ b/tests/ui/parser/recover-unticked-labels.stderr @@ -2,13 +2,17 @@ error: expected a label, found an identifier --> $DIR/recover-unticked-labels.rs:5:26 | LL | 'label: loop { break label 0 }; - | ^^^^^ help: labels start with a tick: `'label` + | -^^^^ + | | + | help: labels start with a tick error: expected a label, found an identifier --> $DIR/recover-unticked-labels.rs:6:29 | LL | 'label: loop { continue label }; - | ^^^^^ help: labels start with a tick: `'label` + | -^^^^ + | | + | help: labels start with a tick error[E0425]: cannot find value `label` in this scope --> $DIR/recover-unticked-labels.rs:4:26 diff --git a/tests/ui/parser/use-colon-as-mod-sep.stderr b/tests/ui/parser/use-colon-as-mod-sep.stderr index e825dfed111..bfc5374ef9d 100644 --- a/tests/ui/parser/use-colon-as-mod-sep.stderr +++ b/tests/ui/parser/use-colon-as-mod-sep.stderr @@ -11,18 +11,24 @@ error: expected `::`, found `:` | LL | use std:fs::File; | ^ help: use double colon + | + = note: import paths are delimited using `::` error: expected `::`, found `:` --> $DIR/use-colon-as-mod-sep.rs:7:8 | LL | use std:collections:HashMap; | ^ help: use double colon + | + = note: import paths are delimited using `::` error: expected `::`, found `:` --> $DIR/use-colon-as-mod-sep.rs:7:20 | LL | use std:collections:HashMap; | ^ help: use double colon + | + = note: import paths are delimited using `::` error: aborting due to 4 previous errors diff --git a/tests/ui/span/issue-39018.stderr b/tests/ui/span/issue-39018.stderr index 771f21c45da..bae93639271 100644 --- a/tests/ui/span/issue-39018.stderr +++ b/tests/ui/span/issue-39018.stderr @@ -21,11 +21,11 @@ LL | let y = World::Hello + World::Goodbye; | | | World | -note: an implementation of `Add<_>` might be missing for `World` +note: an implementation of `Add` might be missing for `World` --> $DIR/issue-39018.rs:15:1 | LL | enum World { - | ^^^^^^^^^^ must implement `Add<_>` + | ^^^^^^^^^^ must implement `Add` note: the trait `Add` must be implemented --> $SRC_DIR/core/src/ops/arith.rs:LL:COL diff --git a/tests/ui/specialization/issue-40582.rs b/tests/ui/specialization/issue-40582.rs new file mode 100644 index 00000000000..9805933553d --- /dev/null +++ b/tests/ui/specialization/issue-40582.rs @@ -0,0 +1,35 @@ +// check-pass +// known-bug: #40582 + +// Should fail. Should not be possible to implement `make_static`. + +#![feature(specialization)] +#![allow(incomplete_features)] + +trait FromRef<'a, T: ?Sized> { + fn from_ref(r: &'a T) -> Self; +} + +impl<'a, T: ?Sized> FromRef<'a, T> for &'a T { + fn from_ref(r: &'a T) -> Self { + r + } +} + +impl<'a, T: ?Sized, R> FromRef<'a, T> for R { + default fn from_ref(_: &'a T) -> Self { + unimplemented!() + } +} + +fn make_static<T: ?Sized>(data: &T) -> &'static T { + fn helper<T: ?Sized, R>(data: &T) -> R { + R::from_ref(data) + } + helper(data) +} + +fn main() { + let s = "specialization".to_owned(); + println!("{:?}", make_static(s.as_str())); +} diff --git a/tests/ui/specialization/specialization-default-items-drop-coherence.rs b/tests/ui/specialization/specialization-default-items-drop-coherence.rs new file mode 100644 index 00000000000..16ad942d5ab --- /dev/null +++ b/tests/ui/specialization/specialization-default-items-drop-coherence.rs @@ -0,0 +1,30 @@ +// check-pass +// known-bug: #105782 + +// Should fail. Default items completely drop candidates instead of ambiguity, +// which is unsound during coherence, since coherence requires completeness. + +#![feature(specialization)] +#![allow(incomplete_features)] + +trait Default { + type Id; +} + +impl<T> Default for T { + default type Id = T; +} + +trait Overlap { + type Assoc; +} + +impl Overlap for u32 { + type Assoc = usize; +} + +impl Overlap for <u32 as Default>::Id { + type Assoc = Box<usize>; +} + +fn main() {} diff --git a/tests/ui/suggestions/invalid-bin-op.stderr b/tests/ui/suggestions/invalid-bin-op.stderr index e291cedb835..570afcea643 100644 --- a/tests/ui/suggestions/invalid-bin-op.stderr +++ b/tests/ui/suggestions/invalid-bin-op.stderr @@ -6,11 +6,11 @@ LL | let _ = s == t; | | | S<T> | -note: an implementation of `PartialEq<_>` might be missing for `S<T>` +note: an implementation of `PartialEq` might be missing for `S<T>` --> $DIR/invalid-bin-op.rs:5:1 | LL | struct S<T>(T); - | ^^^^^^^^^^^ must implement `PartialEq<_>` + | ^^^^^^^^^^^ must implement `PartialEq` help: consider annotating `S<T>` with `#[derive(PartialEq)]` | LL + #[derive(PartialEq)] diff --git a/tests/ui/suggestions/restrict-type-not-param.stderr b/tests/ui/suggestions/restrict-type-not-param.stderr index 5434472ceec..3c7d42888d8 100644 --- a/tests/ui/suggestions/restrict-type-not-param.stderr +++ b/tests/ui/suggestions/restrict-type-not-param.stderr @@ -6,11 +6,11 @@ LL | a + b | | | Wrapper<T> | -note: an implementation of `Add<_>` might be missing for `Wrapper<T>` +note: an implementation of `Add<T>` might be missing for `Wrapper<T>` --> $DIR/restrict-type-not-param.rs:3:1 | LL | struct Wrapper<T>(T); - | ^^^^^^^^^^^^^^^^^ must implement `Add<_>` + | ^^^^^^^^^^^^^^^^^ must implement `Add<T>` note: the trait `Add` must be implemented --> $SRC_DIR/core/src/ops/arith.rs:LL:COL help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement diff --git a/tests/ui/suggestions/suggest-mut-method-for-loop-hashmap.fixed b/tests/ui/suggestions/suggest-mut-method-for-loop-hashmap.fixed index b69bad98888..556c9543881 100644 --- a/tests/ui/suggestions/suggest-mut-method-for-loop-hashmap.fixed +++ b/tests/ui/suggestions/suggest-mut-method-for-loop-hashmap.fixed @@ -11,7 +11,7 @@ fn main() { let mut map = HashMap::new(); map.insert("a", Test { v: 0 }); - for (_k, mut v) in map.iter_mut() { + for (_k, v) in map.iter_mut() { //~^ HELP use mutable method //~| NOTE this iterator yields `&` references v.v += 1; diff --git a/tests/ui/suggestions/suggest-mut-method-for-loop-hashmap.rs b/tests/ui/suggestions/suggest-mut-method-for-loop-hashmap.rs index 9284410dfa3..b9d49a074ea 100644 --- a/tests/ui/suggestions/suggest-mut-method-for-loop-hashmap.rs +++ b/tests/ui/suggestions/suggest-mut-method-for-loop-hashmap.rs @@ -11,7 +11,7 @@ fn main() { let mut map = HashMap::new(); map.insert("a", Test { v: 0 }); - for (_k, mut v) in map.iter() { + for (_k, v) in map.iter() { //~^ HELP use mutable method //~| NOTE this iterator yields `&` references v.v += 1; diff --git a/tests/ui/suggestions/suggest-mut-method-for-loop-hashmap.stderr b/tests/ui/suggestions/suggest-mut-method-for-loop-hashmap.stderr index 74433daa6ac..c442ed6377a 100644 --- a/tests/ui/suggestions/suggest-mut-method-for-loop-hashmap.stderr +++ b/tests/ui/suggestions/suggest-mut-method-for-loop-hashmap.stderr @@ -1,11 +1,11 @@ error[E0594]: cannot assign to `v.v`, which is behind a `&` reference --> $DIR/suggest-mut-method-for-loop-hashmap.rs:17:9 | -LL | for (_k, mut v) in map.iter() { - | ---------- - | | | - | | help: use mutable method: `iter_mut()` - | this iterator yields `&` references +LL | for (_k, v) in map.iter() { + | ---------- + | | | + | | help: use mutable method: `iter_mut()` + | this iterator yields `&` references ... LL | v.v += 1; | ^^^^^^^^ `v` is a `&` reference, so the data it refers to cannot be written diff --git a/tests/ui/thread-local/thread-local-static-ref-use-after-free.rs b/tests/ui/thread-local/thread-local-static-ref-use-after-free.rs new file mode 100644 index 00000000000..c282e2185bc --- /dev/null +++ b/tests/ui/thread-local/thread-local-static-ref-use-after-free.rs @@ -0,0 +1,46 @@ +// check-pass +// known-bug: #49682 +// edition:2021 + +// Should fail. Keeping references to thread local statics can result in a +// use-after-free. + +#![feature(thread_local)] + +use std::sync::atomic::{AtomicUsize, Ordering}; +use std::thread; + +#[allow(dead_code)] +#[thread_local] +static FOO: AtomicUsize = AtomicUsize::new(0); + +#[allow(dead_code)] +async fn bar() {} + +#[allow(dead_code)] +async fn foo() { + let r = &FOO; + bar().await; + r.load(Ordering::SeqCst); +} + +fn main() { + // &FOO = 0x7fd1e9cbf6d0 + _ = thread::spawn(|| { + let g = foo(); + println!("&FOO = {:p}", &FOO); + g + }) + .join() + .unwrap(); + + // &FOO = 0x7fd1e9cc0f50 + println!("&FOO = {:p}", &FOO); + + // &FOO = 0x7fd1e9cbf6d0 + thread::spawn(move || { + println!("&FOO = {:p}", &FOO); + }) + .join() + .unwrap(); +} diff --git a/tests/ui/traits/new-solver/exponential-trait-goals.rs b/tests/ui/traits/new-solver/exponential-trait-goals.rs new file mode 100644 index 00000000000..b37f09ee185 --- /dev/null +++ b/tests/ui/traits/new-solver/exponential-trait-goals.rs @@ -0,0 +1,20 @@ +// compile-flags: -Ztrait-solver=next + +trait Trait {} + +struct W<T>(T); + +impl<T, U> Trait for W<(W<T>, W<U>)> +where + W<T>: Trait, + W<U>: Trait, +{ +} + +fn impls<T: Trait>() {} + +fn main() { + impls::<W<_>>(); + //~^ ERROR type annotations needed + //~| ERROR overflow evaluating the requirement `W<_>: Trait` +} diff --git a/tests/ui/traits/new-solver/exponential-trait-goals.stderr b/tests/ui/traits/new-solver/exponential-trait-goals.stderr new file mode 100644 index 00000000000..28a99cbbca6 --- /dev/null +++ b/tests/ui/traits/new-solver/exponential-trait-goals.stderr @@ -0,0 +1,23 @@ +error[E0282]: type annotations needed + --> $DIR/exponential-trait-goals.rs:17:5 + | +LL | impls::<W<_>>(); + | ^^^^^^^^^^^^^ cannot infer type of the type parameter `T` declared on the function `impls` + +error[E0275]: overflow evaluating the requirement `W<_>: Trait` + --> $DIR/exponential-trait-goals.rs:17:5 + | +LL | impls::<W<_>>(); + | ^^^^^^^^^^^^^ + | + = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`exponential_trait_goals`) +note: required by a bound in `impls` + --> $DIR/exponential-trait-goals.rs:14:13 + | +LL | fn impls<T: Trait>() {} + | ^^^^^ required by this bound in `impls` + +error: aborting due to 2 previous errors + +Some errors have detailed explanations: E0275, E0282. +For more information about an error, try `rustc --explain E0275`. diff --git a/tests/ui/type/type-unsatisfiable.usage.stderr b/tests/ui/type/type-unsatisfiable.usage.stderr index 56e2e30afac..0b76ba8eb7e 100644 --- a/tests/ui/type/type-unsatisfiable.usage.stderr +++ b/tests/ui/type/type-unsatisfiable.usage.stderr @@ -1,8 +1,8 @@ -error[E0369]: cannot subtract `(dyn Vector2<ScalarType = i32> + 'static)` from `dyn Vector2<ScalarType = i32>` +error[E0369]: cannot subtract `dyn Vector2<ScalarType = i32>` from `dyn Vector2<ScalarType = i32>` --> $DIR/type-unsatisfiable.rs:57:20 | LL | let bar = *hey - *word; - | ---- ^ ----- (dyn Vector2<ScalarType = i32> + 'static) + | ---- ^ ----- dyn Vector2<ScalarType = i32> | | | dyn Vector2<ScalarType = i32> |