diff options
41 files changed, 580 insertions, 103 deletions
diff --git a/compiler/rustc_const_eval/src/interpret/intrinsics/caller_location.rs b/compiler/rustc_const_eval/src/interpret/intrinsics/caller_location.rs index 76c8d0a975a..3701eb93ec8 100644 --- a/compiler/rustc_const_eval/src/interpret/intrinsics/caller_location.rs +++ b/compiler/rustc_const_eval/src/interpret/intrinsics/caller_location.rs @@ -77,7 +77,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { line: u32, col: u32, ) -> MPlaceTy<'tcx, M::Provenance> { - let loc_details = &self.tcx.sess.opts.unstable_opts.location_detail; + let loc_details = self.tcx.sess.opts.unstable_opts.location_detail; // This can fail if rustc runs out of memory right here. Trying to emit an error would be // pointless, since that would require allocating more memory than these short strings. let file = if loc_details.file { diff --git a/compiler/rustc_middle/src/ty/layout.rs b/compiler/rustc_middle/src/ty/layout.rs index 2328a1324fc..195d951f9f3 100644 --- a/compiler/rustc_middle/src/ty/layout.rs +++ b/compiler/rustc_middle/src/ty/layout.rs @@ -1226,10 +1226,11 @@ pub fn fn_can_unwind(tcx: TyCtxt<'_>, fn_def_id: Option<DefId>, abi: SpecAbi) -> | AvrNonBlockingInterrupt | CCmseNonSecureCall | Wasm - | RustIntrinsic | PlatformIntrinsic | Unadjusted => false, - Rust | RustCall | RustCold => tcx.sess.panic_strategy() == PanicStrategy::Unwind, + Rust | RustCall | RustCold | RustIntrinsic => { + tcx.sess.panic_strategy() == PanicStrategy::Unwind + } } } diff --git a/compiler/rustc_mir_transform/src/check_alignment.rs b/compiler/rustc_mir_transform/src/check_alignment.rs index 8086a4557b7..c76dc56065c 100644 --- a/compiler/rustc_mir_transform/src/check_alignment.rs +++ b/compiler/rustc_mir_transform/src/check_alignment.rs @@ -1,5 +1,6 @@ use crate::MirPass; use rustc_hir::def_id::DefId; +use rustc_hir::lang_items::LangItem; use rustc_index::vec::IndexVec; use rustc_middle::mir::*; use rustc_middle::mir::{ @@ -17,6 +18,12 @@ impl<'tcx> MirPass<'tcx> for CheckAlignment { } fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { + // This pass emits new panics. If for whatever reason we do not have a panic + // implementation, running this pass may cause otherwise-valid code to not compile. + if tcx.lang_items().get(LangItem::PanicImpl).is_none() { + return; + } + let basic_blocks = body.basic_blocks.as_mut(); let local_decls = &mut body.local_decls; diff --git a/compiler/rustc_passes/src/dead.rs b/compiler/rustc_passes/src/dead.rs index 91483fe3de7..5cfe691df17 100644 --- a/compiler/rustc_passes/src/dead.rs +++ b/compiler/rustc_passes/src/dead.rs @@ -700,6 +700,13 @@ impl<'tcx> DeadVisitor<'tcx> { .collect(); let descr = tcx.def_descr(first_id.to_def_id()); + // `impl` blocks are "batched" and (unlike other batching) might + // contain different kinds of associated items. + let descr = if dead_codes.iter().any(|did| tcx.def_descr(did.to_def_id()) != descr) { + "associated item" + } else { + descr + }; let num = dead_codes.len(); let multiple = num > 6; let name_list = names.into(); @@ -712,12 +719,12 @@ impl<'tcx> DeadVisitor<'tcx> { let parent_info = if let Some(parent_item) = parent_item { let parent_descr = tcx.def_descr(parent_item.to_def_id()); - Some(ParentInfo { - num, - descr, - parent_descr, - span: tcx.def_ident_span(parent_item).unwrap(), - }) + let span = if let DefKind::Impl { .. } = tcx.def_kind(parent_item) { + tcx.def_span(parent_item) + } else { + tcx.def_ident_span(parent_item).unwrap() + }; + Some(ParentInfo { num, descr, parent_descr, span }) } else { None }; @@ -800,16 +807,7 @@ impl<'tcx> DeadVisitor<'tcx> { } fn check_definition(&mut self, def_id: LocalDefId) { - if self.live_symbols.contains(&def_id) { - return; - } - if has_allow_dead_code_or_lang_attr(self.tcx, def_id) { - return; - } - let Some(name) = self.tcx.opt_item_name(def_id.to_def_id()) else { - return - }; - if name.as_str().starts_with('_') { + if self.is_live_code(def_id) { return; } match self.tcx.def_kind(def_id) { @@ -827,6 +825,18 @@ impl<'tcx> DeadVisitor<'tcx> { _ => {} } } + + fn is_live_code(&self, def_id: LocalDefId) -> bool { + // if we cannot get a name for the item, then we just assume that it is + // live. I mean, we can't really emit a lint. + let Some(name) = self.tcx.opt_item_name(def_id.to_def_id()) else { + return true; + }; + + self.live_symbols.contains(&def_id) + || has_allow_dead_code_or_lang_attr(self.tcx, def_id) + || name.as_str().starts_with('_') + } } fn check_mod_deathness(tcx: TyCtxt<'_>, module: LocalDefId) { @@ -836,6 +846,22 @@ fn check_mod_deathness(tcx: TyCtxt<'_>, module: LocalDefId) { let module_items = tcx.hir_module_items(module); for item in module_items.items() { + if let hir::ItemKind::Impl(impl_item) = tcx.hir().item(item).kind { + let mut dead_items = Vec::new(); + for item in impl_item.items { + let did = item.id.owner_id.def_id; + if !visitor.is_live_code(did) { + dead_items.push(did) + } + } + visitor.warn_multiple_dead_codes( + &dead_items, + "used", + Some(item.owner_id.def_id), + false, + ); + } + if !live_symbols.contains(&item.owner_id.def_id) { let parent = tcx.local_parent(item.owner_id.def_id); if parent != module && !live_symbols.contains(&parent) { @@ -900,10 +926,6 @@ fn check_mod_deathness(tcx: TyCtxt<'_>, module: LocalDefId) { } } - for impl_item in module_items.impl_items() { - visitor.check_definition(impl_item.owner_id.def_id); - } - for foreign_item in module_items.foreign_items() { visitor.check_definition(foreign_item.owner_id.def_id); } diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs index acfb36c97d0..79eb31bb105 100644 --- a/compiler/rustc_session/src/config.rs +++ b/compiler/rustc_session/src/config.rs @@ -222,7 +222,7 @@ impl LinkerPluginLto { } /// The different settings that can be enabled via the `-Z location-detail` flag. -#[derive(Clone, PartialEq, Hash, Debug)] +#[derive(Copy, Clone, PartialEq, Hash, Debug)] pub struct LocationDetail { pub file: bool, pub line: bool, diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs index 210083fc4eb..0ef6579664a 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs @@ -2396,8 +2396,8 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> { } if let Some(ty::subst::GenericArgKind::Type(_)) = subst.map(|subst| subst.unpack()) + && let Some(body_id) = self.tcx.hir().maybe_body_owned_by(obligation.cause.body_id) { - let body_id = self.tcx.hir().body_owned_by(obligation.cause.body_id); let mut expr_finder = FindExprBySpan::new(span); expr_finder.visit_expr(&self.tcx.hir().body(body_id).value); diff --git a/library/core/src/ffi/mod.rs b/library/core/src/ffi/mod.rs index 27f6659049c..c4f554c8c6b 100644 --- a/library/core/src/ffi/mod.rs +++ b/library/core/src/ffi/mod.rs @@ -615,12 +615,15 @@ impl<'f> Drop for VaListImpl<'f> { extern "rust-intrinsic" { /// Destroy the arglist `ap` after initialization with `va_start` or /// `va_copy`. + #[rustc_nounwind] fn va_end(ap: &mut VaListImpl<'_>); /// Copies the current location of arglist `src` to the arglist `dst`. + #[rustc_nounwind] fn va_copy<'f>(dest: *mut VaListImpl<'f>, src: &VaListImpl<'f>); /// Loads an argument of type `T` from the `va_list` `ap` and increment the /// argument `ap` points to. + #[rustc_nounwind] fn va_arg<T: sealed_trait::VaArgSafe>(ap: &mut VaListImpl<'_>) -> T; } diff --git a/library/core/src/intrinsics.rs b/library/core/src/intrinsics.rs index 7482b8b0862..a7c100e1b23 100644 --- a/library/core/src/intrinsics.rs +++ b/library/core/src/intrinsics.rs @@ -84,6 +84,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::Relaxed`] as both the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_relaxed_relaxed<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -91,6 +92,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::Relaxed`] and [`Ordering::Acquire`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_relaxed_acquire<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -98,6 +100,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::Relaxed`] and [`Ordering::SeqCst`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_relaxed_seqcst<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -105,6 +108,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::Acquire`] and [`Ordering::Relaxed`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_acquire_relaxed<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -112,6 +116,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::Acquire`] as both the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_acquire_acquire<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -119,6 +124,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::Acquire`] and [`Ordering::SeqCst`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_acquire_seqcst<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -126,6 +132,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::Release`] and [`Ordering::Relaxed`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_release_relaxed<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -133,6 +140,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::Release`] and [`Ordering::Acquire`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_release_acquire<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -140,6 +148,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::Release`] and [`Ordering::SeqCst`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_release_seqcst<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -147,6 +156,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::AcqRel`] and [`Ordering::Relaxed`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_acqrel_relaxed<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -154,6 +164,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::AcqRel`] and [`Ordering::Acquire`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_acqrel_acquire<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -161,6 +172,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::AcqRel`] and [`Ordering::SeqCst`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_acqrel_seqcst<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -168,6 +180,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::SeqCst`] and [`Ordering::Relaxed`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_seqcst_relaxed<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -175,6 +188,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::SeqCst`] and [`Ordering::Acquire`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_seqcst_acquire<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -182,6 +196,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::SeqCst`] as both the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_seqcst_seqcst<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. @@ -190,6 +205,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::Relaxed`] as both the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_relaxed_relaxed<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -197,6 +213,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::Relaxed`] and [`Ordering::Acquire`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_relaxed_acquire<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -204,6 +221,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::Relaxed`] and [`Ordering::SeqCst`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_relaxed_seqcst<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -211,6 +229,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::Acquire`] and [`Ordering::Relaxed`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_acquire_relaxed<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -218,6 +237,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::Acquire`] as both the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_acquire_acquire<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -225,6 +245,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::Acquire`] and [`Ordering::SeqCst`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_acquire_seqcst<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -232,6 +253,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::Release`] and [`Ordering::Relaxed`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_release_relaxed<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -239,6 +261,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::Release`] and [`Ordering::Acquire`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_release_acquire<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -246,6 +269,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::Release`] and [`Ordering::SeqCst`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_release_seqcst<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -253,6 +277,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::AcqRel`] and [`Ordering::Relaxed`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_acqrel_relaxed<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -260,6 +285,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::AcqRel`] and [`Ordering::Acquire`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_acqrel_acquire<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -267,6 +293,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::AcqRel`] and [`Ordering::SeqCst`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_acqrel_seqcst<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -274,6 +301,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::SeqCst`] and [`Ordering::Relaxed`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_seqcst_relaxed<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -281,6 +309,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::SeqCst`] and [`Ordering::Acquire`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_seqcst_acquire<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -288,6 +317,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::SeqCst`] as both the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_seqcst_seqcst<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Loads the current value of the pointer. @@ -295,19 +325,23 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `load` method by passing /// [`Ordering::SeqCst`] as the `order`. For example, [`AtomicBool::load`]. + #[rustc_nounwind] pub fn atomic_load_seqcst<T: Copy>(src: *const T) -> T; /// Loads the current value of the pointer. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `load` method by passing /// [`Ordering::Acquire`] as the `order`. For example, [`AtomicBool::load`]. + #[rustc_nounwind] pub fn atomic_load_acquire<T: Copy>(src: *const T) -> T; /// Loads the current value of the pointer. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `load` method by passing /// [`Ordering::Relaxed`] as the `order`. For example, [`AtomicBool::load`]. + #[rustc_nounwind] pub fn atomic_load_relaxed<T: Copy>(src: *const T) -> T; + #[rustc_nounwind] pub fn atomic_load_unordered<T: Copy>(src: *const T) -> T; /// Stores the value at the specified memory location. @@ -315,19 +349,23 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `store` method by passing /// [`Ordering::SeqCst`] as the `order`. For example, [`AtomicBool::store`]. + #[rustc_nounwind] pub fn atomic_store_seqcst<T: Copy>(dst: *mut T, val: T); /// Stores the value at the specified memory location. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `store` method by passing /// [`Ordering::Release`] as the `order`. For example, [`AtomicBool::store`]. + #[rustc_nounwind] pub fn atomic_store_release<T: Copy>(dst: *mut T, val: T); /// Stores the value at the specified memory location. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `store` method by passing /// [`Ordering::Relaxed`] as the `order`. For example, [`AtomicBool::store`]. + #[rustc_nounwind] pub fn atomic_store_relaxed<T: Copy>(dst: *mut T, val: T); + #[rustc_nounwind] pub fn atomic_store_unordered<T: Copy>(dst: *mut T, val: T); /// Stores the value at the specified memory location, returning the old value. @@ -335,30 +373,35 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `swap` method by passing /// [`Ordering::SeqCst`] as the `order`. For example, [`AtomicBool::swap`]. + #[rustc_nounwind] pub fn atomic_xchg_seqcst<T: Copy>(dst: *mut T, src: T) -> T; /// Stores the value at the specified memory location, returning the old value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `swap` method by passing /// [`Ordering::Acquire`] as the `order`. For example, [`AtomicBool::swap`]. + #[rustc_nounwind] pub fn atomic_xchg_acquire<T: Copy>(dst: *mut T, src: T) -> T; /// Stores the value at the specified memory location, returning the old value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `swap` method by passing /// [`Ordering::Release`] as the `order`. For example, [`AtomicBool::swap`]. + #[rustc_nounwind] pub fn atomic_xchg_release<T: Copy>(dst: *mut T, src: T) -> T; /// Stores the value at the specified memory location, returning the old value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `swap` method by passing /// [`Ordering::AcqRel`] as the `order`. For example, [`AtomicBool::swap`]. + #[rustc_nounwind] pub fn atomic_xchg_acqrel<T: Copy>(dst: *mut T, src: T) -> T; /// Stores the value at the specified memory location, returning the old value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `swap` method by passing /// [`Ordering::Relaxed`] as the `order`. For example, [`AtomicBool::swap`]. + #[rustc_nounwind] pub fn atomic_xchg_relaxed<T: Copy>(dst: *mut T, src: T) -> T; /// Adds to the current value, returning the previous value. @@ -366,30 +409,35 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_add` method by passing /// [`Ordering::SeqCst`] as the `order`. For example, [`AtomicIsize::fetch_add`]. + #[rustc_nounwind] pub fn atomic_xadd_seqcst<T: Copy>(dst: *mut T, src: T) -> T; /// Adds to the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_add` method by passing /// [`Ordering::Acquire`] as the `order`. For example, [`AtomicIsize::fetch_add`]. + #[rustc_nounwind] pub fn atomic_xadd_acquire<T: Copy>(dst: *mut T, src: T) -> T; /// Adds to the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_add` method by passing /// [`Ordering::Release`] as the `order`. For example, [`AtomicIsize::fetch_add`]. + #[rustc_nounwind] pub fn atomic_xadd_release<T: Copy>(dst: *mut T, src: T) -> T; /// Adds to the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_add` method by passing /// [`Ordering::AcqRel`] as the `order`. For example, [`AtomicIsize::fetch_add`]. + #[rustc_nounwind] pub fn atomic_xadd_acqrel<T: Copy>(dst: *mut T, src: T) -> T; /// Adds to the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_add` method by passing /// [`Ordering::Relaxed`] as the `order`. For example, [`AtomicIsize::fetch_add`]. + #[rustc_nounwind] pub fn atomic_xadd_relaxed<T: Copy>(dst: *mut T, src: T) -> T; /// Subtract from the current value, returning the previous value. @@ -397,30 +445,35 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_sub` method by passing /// [`Ordering::SeqCst`] as the `order`. For example, [`AtomicIsize::fetch_sub`]. + #[rustc_nounwind] pub fn atomic_xsub_seqcst<T: Copy>(dst: *mut T, src: T) -> T; /// Subtract from the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_sub` method by passing /// [`Ordering::Acquire`] as the `order`. For example, [`AtomicIsize::fetch_sub`]. + #[rustc_nounwind] pub fn atomic_xsub_acquire<T: Copy>(dst: *mut T, src: T) -> T; /// Subtract from the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_sub` method by passing /// [`Ordering::Release`] as the `order`. For example, [`AtomicIsize::fetch_sub`]. + #[rustc_nounwind] pub fn atomic_xsub_release<T: Copy>(dst: *mut T, src: T) -> T; /// Subtract from the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_sub` method by passing /// [`Ordering::AcqRel`] as the `order`. For example, [`AtomicIsize::fetch_sub`]. + #[rustc_nounwind] pub fn atomic_xsub_acqrel<T: Copy>(dst: *mut T, src: T) -> T; /// Subtract from the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_sub` method by passing /// [`Ordering::Relaxed`] as the `order`. For example, [`AtomicIsize::fetch_sub`]. + #[rustc_nounwind] pub fn atomic_xsub_relaxed<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise and with the current value, returning the previous value. @@ -428,30 +481,35 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_and` method by passing /// [`Ordering::SeqCst`] as the `order`. For example, [`AtomicBool::fetch_and`]. + #[rustc_nounwind] pub fn atomic_and_seqcst<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise and with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_and` method by passing /// [`Ordering::Acquire`] as the `order`. For example, [`AtomicBool::fetch_and`]. + #[rustc_nounwind] pub fn atomic_and_acquire<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise and with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_and` method by passing /// [`Ordering::Release`] as the `order`. For example, [`AtomicBool::fetch_and`]. + #[rustc_nounwind] pub fn atomic_and_release<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise and with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_and` method by passing /// [`Ordering::AcqRel`] as the `order`. For example, [`AtomicBool::fetch_and`]. + #[rustc_nounwind] pub fn atomic_and_acqrel<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise and with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_and` method by passing /// [`Ordering::Relaxed`] as the `order`. For example, [`AtomicBool::fetch_and`]. + #[rustc_nounwind] pub fn atomic_and_relaxed<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise nand with the current value, returning the previous value. @@ -459,30 +517,35 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`AtomicBool`] type via the `fetch_nand` method by passing /// [`Ordering::SeqCst`] as the `order`. For example, [`AtomicBool::fetch_nand`]. + #[rustc_nounwind] pub fn atomic_nand_seqcst<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise nand with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`AtomicBool`] type via the `fetch_nand` method by passing /// [`Ordering::Acquire`] as the `order`. For example, [`AtomicBool::fetch_nand`]. + #[rustc_nounwind] pub fn atomic_nand_acquire<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise nand with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`AtomicBool`] type via the `fetch_nand` method by passing /// [`Ordering::Release`] as the `order`. For example, [`AtomicBool::fetch_nand`]. + #[rustc_nounwind] pub fn atomic_nand_release<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise nand with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`AtomicBool`] type via the `fetch_nand` method by passing /// [`Ordering::AcqRel`] as the `order`. For example, [`AtomicBool::fetch_nand`]. + #[rustc_nounwind] pub fn atomic_nand_acqrel<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise nand with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`AtomicBool`] type via the `fetch_nand` method by passing /// [`Ordering::Relaxed`] as the `order`. For example, [`AtomicBool::fetch_nand`]. + #[rustc_nounwind] pub fn atomic_nand_relaxed<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise or with the current value, returning the previous value. @@ -490,30 +553,35 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_or` method by passing /// [`Ordering::SeqCst`] as the `order`. For example, [`AtomicBool::fetch_or`]. + #[rustc_nounwind] pub fn atomic_or_seqcst<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise or with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_or` method by passing /// [`Ordering::Acquire`] as the `order`. For example, [`AtomicBool::fetch_or`]. + #[rustc_nounwind] pub fn atomic_or_acquire<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise or with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_or` method by passing /// [`Ordering::Release`] as the `order`. For example, [`AtomicBool::fetch_or`]. + #[rustc_nounwind] pub fn atomic_or_release<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise or with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_or` method by passing /// [`Ordering::AcqRel`] as the `order`. For example, [`AtomicBool::fetch_or`]. + #[rustc_nounwind] pub fn atomic_or_acqrel<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise or with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_or` method by passing /// [`Ordering::Relaxed`] as the `order`. For example, [`AtomicBool::fetch_or`]. + #[rustc_nounwind] pub fn atomic_or_relaxed<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise xor with the current value, returning the previous value. @@ -521,30 +589,35 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_xor` method by passing /// [`Ordering::SeqCst`] as the `order`. For example, [`AtomicBool::fetch_xor`]. + #[rustc_nounwind] pub fn atomic_xor_seqcst<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise xor with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_xor` method by passing /// [`Ordering::Acquire`] as the `order`. For example, [`AtomicBool::fetch_xor`]. + #[rustc_nounwind] pub fn atomic_xor_acquire<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise xor with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_xor` method by passing /// [`Ordering::Release`] as the `order`. For example, [`AtomicBool::fetch_xor`]. + #[rustc_nounwind] pub fn atomic_xor_release<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise xor with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_xor` method by passing /// [`Ordering::AcqRel`] as the `order`. For example, [`AtomicBool::fetch_xor`]. + #[rustc_nounwind] pub fn atomic_xor_acqrel<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise xor with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_xor` method by passing /// [`Ordering::Relaxed`] as the `order`. For example, [`AtomicBool::fetch_xor`]. + #[rustc_nounwind] pub fn atomic_xor_relaxed<T: Copy>(dst: *mut T, src: T) -> T; /// Maximum with the current value using a signed comparison. @@ -552,30 +625,35 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`atomic`] signed integer types via the `fetch_max` method by passing /// [`Ordering::SeqCst`] as the `order`. For example, [`AtomicI32::fetch_max`]. + #[rustc_nounwind] pub fn atomic_max_seqcst<T: Copy>(dst: *mut T, src: T) -> T; /// Maximum with the current value using a signed comparison. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] signed integer types via the `fetch_max` method by passing /// [`Ordering::Acquire`] as the `order`. For example, [`AtomicI32::fetch_max`]. + #[rustc_nounwind] pub fn atomic_max_acquire<T: Copy>(dst: *mut T, src: T) -> T; /// Maximum with the current value using a signed comparison. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] signed integer types via the `fetch_max` method by passing /// [`Ordering::Release`] as the `order`. For example, [`AtomicI32::fetch_max`]. + #[rustc_nounwind] pub fn atomic_max_release<T: Copy>(dst: *mut T, src: T) -> T; /// Maximum with the current value using a signed comparison. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] signed integer types via the `fetch_max` method by passing /// [`Ordering::AcqRel`] as the `order`. For example, [`AtomicI32::fetch_max`]. + #[rustc_nounwind] pub fn atomic_max_acqrel<T: Copy>(dst: *mut T, src: T) -> T; /// Maximum with the current value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] signed integer types via the `fetch_max` method by passing /// [`Ordering::Relaxed`] as the `order`. For example, [`AtomicI32::fetch_max`]. + #[rustc_nounwind] pub fn atomic_max_relaxed<T: Copy>(dst: *mut T, src: T) -> T; /// Minimum with the current value using a signed comparison. @@ -583,18 +661,21 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`atomic`] signed integer types via the `fetch_min` method by passing /// [`Ordering::SeqCst`] as the `order`. For example, [`AtomicI32::fetch_min`]. + #[rustc_nounwind] pub fn atomic_min_seqcst<T: Copy>(dst: *mut T, src: T) -> T; /// Minimum with the current value using a signed comparison. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] signed integer types via the `fetch_min` method by passing /// [`Ordering::Acquire`] as the `order`. For example, [`AtomicI32::fetch_min`]. + #[rustc_nounwind] pub fn atomic_min_acquire<T: Copy>(dst: *mut T, src: T) -> T; /// Minimum with the current value using a signed comparison. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] signed integer types via the `fetch_min` method by passing /// [`Ordering::Release`] as the `order`. For example, [`AtomicI32::fetch_min`]. + #[rustc_nounwind] pub fn atomic_min_release<T: Copy>(dst: *mut T, src: T) -> T; /// Minimum with the current value using a signed comparison. /// @@ -607,6 +688,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`atomic`] signed integer types via the `fetch_min` method by passing /// [`Ordering::Relaxed`] as the `order`. For example, [`AtomicI32::fetch_min`]. + #[rustc_nounwind] pub fn atomic_min_relaxed<T: Copy>(dst: *mut T, src: T) -> T; /// Minimum with the current value using an unsigned comparison. @@ -614,30 +696,35 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`atomic`] unsigned integer types via the `fetch_min` method by passing /// [`Ordering::SeqCst`] as the `order`. For example, [`AtomicU32::fetch_min`]. + #[rustc_nounwind] pub fn atomic_umin_seqcst<T: Copy>(dst: *mut T, src: T) -> T; /// Minimum with the current value using an unsigned comparison. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] unsigned integer types via the `fetch_min` method by passing /// [`Ordering::Acquire`] as the `order`. For example, [`AtomicU32::fetch_min`]. + #[rustc_nounwind] pub fn atomic_umin_acquire<T: Copy>(dst: *mut T, src: T) -> T; /// Minimum with the current value using an unsigned comparison. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] unsigned integer types via the `fetch_min` method by passing /// [`Ordering::Release`] as the `order`. For example, [`AtomicU32::fetch_min`]. + #[rustc_nounwind] pub fn atomic_umin_release<T: Copy>(dst: *mut T, src: T) -> T; /// Minimum with the current value using an unsigned comparison. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] unsigned integer types via the `fetch_min` method by passing /// [`Ordering::AcqRel`] as the `order`. For example, [`AtomicU32::fetch_min`]. + #[rustc_nounwind] pub fn atomic_umin_acqrel<T: Copy>(dst: *mut T, src: T) -> T; /// Minimum with the current value using an unsigned comparison. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] unsigned integer types via the `fetch_min` method by passing /// [`Ordering::Relaxed`] as the `order`. For example, [`AtomicU32::fetch_min`]. + #[rustc_nounwind] pub fn atomic_umin_relaxed<T: Copy>(dst: *mut T, src: T) -> T; /// Maximum with the current value using an unsigned comparison. @@ -645,30 +732,35 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`atomic`] unsigned integer types via the `fetch_max` method by passing /// [`Ordering::SeqCst`] as the `order`. For example, [`AtomicU32::fetch_max`]. + #[rustc_nounwind] pub fn atomic_umax_seqcst<T: Copy>(dst: *mut T, src: T) -> T; /// Maximum with the current value using an unsigned comparison. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] unsigned integer types via the `fetch_max` method by passing /// [`Ordering::Acquire`] as the `order`. For example, [`AtomicU32::fetch_max`]. + #[rustc_nounwind] pub fn atomic_umax_acquire<T: Copy>(dst: *mut T, src: T) -> T; /// Maximum with the current value using an unsigned comparison. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] unsigned integer types via the `fetch_max` method by passing /// [`Ordering::Release`] as the `order`. For example, [`AtomicU32::fetch_max`]. + #[rustc_nounwind] pub fn atomic_umax_release<T: Copy>(dst: *mut T, src: T) -> T; /// Maximum with the current value using an unsigned comparison. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] unsigned integer types via the `fetch_max` method by passing /// [`Ordering::AcqRel`] as the `order`. For example, [`AtomicU32::fetch_max`]. + #[rustc_nounwind] pub fn atomic_umax_acqrel<T: Copy>(dst: *mut T, src: T) -> T; /// Maximum with the current value using an unsigned comparison. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] unsigned integer types via the `fetch_max` method by passing /// [`Ordering::Relaxed`] as the `order`. For example, [`AtomicU32::fetch_max`]. + #[rustc_nounwind] pub fn atomic_umax_relaxed<T: Copy>(dst: *mut T, src: T) -> T; /// An atomic fence. @@ -676,24 +768,28 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available in /// [`atomic::fence`] by passing [`Ordering::SeqCst`] /// as the `order`. + #[rustc_nounwind] pub fn atomic_fence_seqcst(); /// An atomic fence. /// /// The stabilized version of this intrinsic is available in /// [`atomic::fence`] by passing [`Ordering::Acquire`] /// as the `order`. + #[rustc_nounwind] pub fn atomic_fence_acquire(); /// An atomic fence. /// /// The stabilized version of this intrinsic is available in /// [`atomic::fence`] by passing [`Ordering::Release`] /// as the `order`. + #[rustc_nounwind] pub fn atomic_fence_release(); /// An atomic fence. /// /// The stabilized version of this intrinsic is available in /// [`atomic::fence`] by passing [`Ordering::AcqRel`] /// as the `order`. + #[rustc_nounwind] pub fn atomic_fence_acqrel(); /// A compiler-only memory barrier. @@ -706,6 +802,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available in /// [`atomic::compiler_fence`] by passing [`Ordering::SeqCst`] /// as the `order`. + #[rustc_nounwind] pub fn atomic_singlethreadfence_seqcst(); /// A compiler-only memory barrier. /// @@ -717,6 +814,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available in /// [`atomic::compiler_fence`] by passing [`Ordering::Acquire`] /// as the `order`. + #[rustc_nounwind] pub fn atomic_singlethreadfence_acquire(); /// A compiler-only memory barrier. /// @@ -728,6 +826,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available in /// [`atomic::compiler_fence`] by passing [`Ordering::Release`] /// as the `order`. + #[rustc_nounwind] pub fn atomic_singlethreadfence_release(); /// A compiler-only memory barrier. /// @@ -739,6 +838,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available in /// [`atomic::compiler_fence`] by passing [`Ordering::AcqRel`] /// as the `order`. + #[rustc_nounwind] pub fn atomic_singlethreadfence_acqrel(); /// The `prefetch` intrinsic is a hint to the code generator to insert a prefetch instruction @@ -750,6 +850,7 @@ extern "rust-intrinsic" { /// ranging from (0) - no locality, to (3) - extremely local keep in cache. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn prefetch_read_data<T>(data: *const T, locality: i32); /// The `prefetch` intrinsic is a hint to the code generator to insert a prefetch instruction /// if supported; otherwise, it is a no-op. @@ -760,6 +861,7 @@ extern "rust-intrinsic" { /// ranging from (0) - no locality, to (3) - extremely local keep in cache. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn prefetch_write_data<T>(data: *const T, locality: i32); /// The `prefetch` intrinsic is a hint to the code generator to insert a prefetch instruction /// if supported; otherwise, it is a no-op. @@ -770,6 +872,7 @@ extern "rust-intrinsic" { /// ranging from (0) - no locality, to (3) - extremely local keep in cache. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn prefetch_read_instruction<T>(data: *const T, locality: i32); /// The `prefetch` intrinsic is a hint to the code generator to insert a prefetch instruction /// if supported; otherwise, it is a no-op. @@ -780,6 +883,7 @@ extern "rust-intrinsic" { /// ranging from (0) - no locality, to (3) - extremely local keep in cache. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn prefetch_write_instruction<T>(data: *const T, locality: i32); /// Magic intrinsic that derives its meaning from attributes @@ -792,6 +896,7 @@ extern "rust-intrinsic" { /// /// This intrinsic should not be used outside of the compiler. #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn rustc_peek<T>(_: T) -> T; /// Aborts the execution of the process. @@ -810,6 +915,7 @@ extern "rust-intrinsic" { /// process will probably terminate with a signal like `SIGABRT`, `SIGILL`, `SIGTRAP`, `SIGSEGV` or /// `SIGBUS`. The precise behaviour is not guaranteed and not stable. #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn abort() -> !; /// Informs the optimizer that this point in the code is not reachable, @@ -821,6 +927,7 @@ extern "rust-intrinsic" { /// /// The stabilized version of this intrinsic is [`core::hint::unreachable_unchecked`]. #[rustc_const_stable(feature = "const_unreachable_unchecked", since = "1.57.0")] + #[rustc_nounwind] pub fn unreachable() -> !; /// Informs the optimizer that a condition is always true. @@ -834,6 +941,7 @@ extern "rust-intrinsic" { /// /// This intrinsic does not have a stable counterpart. #[rustc_const_unstable(feature = "const_assume", issue = "76972")] + #[rustc_nounwind] pub fn assume(b: bool); /// Hints to the compiler that branch condition is likely to be true. @@ -849,6 +957,7 @@ extern "rust-intrinsic" { /// This intrinsic does not have a stable counterpart. #[rustc_const_unstable(feature = "const_likely", issue = "none")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn likely(b: bool) -> bool; /// Hints to the compiler that branch condition is likely to be false. @@ -864,11 +973,13 @@ extern "rust-intrinsic" { /// This intrinsic does not have a stable counterpart. #[rustc_const_unstable(feature = "const_likely", issue = "none")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn unlikely(b: bool) -> bool; /// Executes a breakpoint trap, for inspection by a debugger. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn breakpoint(); /// The size of a type in bytes. @@ -884,6 +995,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is [`core::mem::size_of`]. #[rustc_const_stable(feature = "const_size_of", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn size_of<T>() -> usize; /// The minimum alignment of a type. @@ -896,23 +1008,27 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is [`core::mem::align_of`]. #[rustc_const_stable(feature = "const_min_align_of", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn min_align_of<T>() -> usize; /// The preferred alignment of a type. /// /// This intrinsic does not have a stable counterpart. /// It's "tracking issue" is [#91971](https://github.com/rust-lang/rust/issues/91971). #[rustc_const_unstable(feature = "const_pref_align_of", issue = "91971")] + #[rustc_nounwind] pub fn pref_align_of<T>() -> usize; /// The size of the referenced value in bytes. /// /// The stabilized version of this intrinsic is [`mem::size_of_val`]. #[rustc_const_unstable(feature = "const_size_of_val", issue = "46571")] + #[rustc_nounwind] pub fn size_of_val<T: ?Sized>(_: *const T) -> usize; /// The required alignment of the referenced value. /// /// The stabilized version of this intrinsic is [`core::mem::align_of_val`]. #[rustc_const_unstable(feature = "const_align_of_val", issue = "46571")] + #[rustc_nounwind] pub fn min_align_of_val<T: ?Sized>(_: *const T) -> usize; /// Gets a static string slice containing the name of a type. @@ -925,6 +1041,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is [`core::any::type_name`]. #[rustc_const_unstable(feature = "const_type_name", issue = "63084")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn type_name<T: ?Sized>() -> &'static str; /// Gets an identifier which is globally unique to the specified type. This @@ -939,6 +1056,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is [`core::any::TypeId::of`]. #[rustc_const_unstable(feature = "const_type_id", issue = "77125")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn type_id<T: ?Sized + 'static>() -> u64; /// A guard for unsafe functions that cannot ever be executed if `T` is uninhabited: @@ -947,6 +1065,7 @@ extern "rust-intrinsic" { /// This intrinsic does not have a stable counterpart. #[rustc_const_stable(feature = "const_assert_type", since = "1.59.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn assert_inhabited<T>(); /// A guard for unsafe functions that cannot ever be executed if `T` does not permit @@ -955,6 +1074,7 @@ extern "rust-intrinsic" { /// This intrinsic does not have a stable counterpart. #[rustc_const_unstable(feature = "const_assert_type2", issue = "none")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn assert_zero_valid<T>(); /// A guard for `std::mem::uninitialized`. This will statically either panic, or do nothing. @@ -962,6 +1082,7 @@ extern "rust-intrinsic" { /// This intrinsic does not have a stable counterpart. #[rustc_const_unstable(feature = "const_assert_type2", issue = "none")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn assert_mem_uninitialized_valid<T>(); /// Gets a reference to a static `Location` indicating where it was called. @@ -974,6 +1095,7 @@ extern "rust-intrinsic" { /// Consider using [`core::panic::Location::caller`] instead. #[rustc_const_unstable(feature = "const_caller_location", issue = "76156")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn caller_location() -> &'static crate::panic::Location<'static>; /// Moves a value out of scope without running drop glue. @@ -987,6 +1109,7 @@ extern "rust-intrinsic" { /// any safety invariants. #[rustc_const_unstable(feature = "const_intrinsic_forget", issue = "none")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn forget<T: ?Sized>(_: T); /// Reinterprets the bits of a value of one type as another type. @@ -1250,6 +1373,7 @@ extern "rust-intrinsic" { #[rustc_allowed_through_unstable_modules] #[rustc_const_stable(feature = "const_transmute", since = "1.56.0")] #[rustc_diagnostic_item = "transmute"] + #[rustc_nounwind] pub fn transmute<Src, Dst>(src: Src) -> Dst; /// Returns `true` if the actual type given as `T` requires drop @@ -1267,6 +1391,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is [`mem::needs_drop`](crate::mem::needs_drop). #[rustc_const_stable(feature = "const_needs_drop", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn needs_drop<T: ?Sized>() -> bool; /// Calculates the offset from a pointer. @@ -1284,6 +1409,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is [`pointer::offset`]. #[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<T>(dst: *const T, offset: isize) -> *const T; /// Calculates the offset from a pointer, potentially wrapping. @@ -1301,6 +1427,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is [`pointer::wrapping_offset`]. #[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 arith_offset<T>(dst: *const T, offset: isize) -> *const T; /// Masks out bits of the pointer according to a mask. @@ -1312,6 +1439,7 @@ extern "rust-intrinsic" { /// /// Consider using [`pointer::mask`] instead. #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn ptr_mask<T>(ptr: *const T, mask: usize) -> *const T; /// Equivalent to the appropriate `llvm.memcpy.p0i8.0i8.*` intrinsic, with @@ -1322,6 +1450,7 @@ extern "rust-intrinsic" { /// unless size is equal to zero. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn volatile_copy_nonoverlapping_memory<T>(dst: *mut T, src: *const T, count: usize); /// Equivalent to the appropriate `llvm.memmove.p0i8.0i8.*` intrinsic, with /// a size of `count * size_of::<T>()` and an alignment of @@ -1331,6 +1460,7 @@ extern "rust-intrinsic" { /// unless size is equal to zero. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn volatile_copy_memory<T>(dst: *mut T, src: *const T, count: usize); /// Equivalent to the appropriate `llvm.memset.p0i8.*` intrinsic, with a /// size of `count * size_of::<T>()` and an alignment of @@ -1340,158 +1470,187 @@ extern "rust-intrinsic" { /// unless size is equal to zero. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn volatile_set_memory<T>(dst: *mut T, val: u8, count: usize); /// Performs a volatile load from the `src` pointer. /// /// The stabilized version of this intrinsic is [`core::ptr::read_volatile`]. + #[rustc_nounwind] pub fn volatile_load<T>(src: *const T) -> T; /// Performs a volatile store to the `dst` pointer. /// /// The stabilized version of this intrinsic is [`core::ptr::write_volatile`]. + #[rustc_nounwind] pub fn volatile_store<T>(dst: *mut T, val: T); /// Performs a volatile load from the `src` pointer /// The pointer is not required to be aligned. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn unaligned_volatile_load<T>(src: *const T) -> T; /// Performs a volatile store to the `dst` pointer. /// The pointer is not required to be aligned. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn unaligned_volatile_store<T>(dst: *mut T, val: T); /// Returns the square root of an `f32` /// /// The stabilized version of this intrinsic is /// [`f32::sqrt`](../../std/primitive.f32.html#method.sqrt) + #[rustc_nounwind] pub fn sqrtf32(x: f32) -> f32; /// Returns the square root of an `f64` /// /// The stabilized version of this intrinsic is /// [`f64::sqrt`](../../std/primitive.f64.html#method.sqrt) + #[rustc_nounwind] pub fn sqrtf64(x: f64) -> f64; /// Raises an `f32` to an integer power. /// /// The stabilized version of this intrinsic is /// [`f32::powi`](../../std/primitive.f32.html#method.powi) + #[rustc_nounwind] pub fn powif32(a: f32, x: i32) -> f32; /// Raises an `f64` to an integer power. /// /// The stabilized version of this intrinsic is /// [`f64::powi`](../../std/primitive.f64.html#method.powi) + #[rustc_nounwind] pub fn powif64(a: f64, x: i32) -> f64; /// Returns the sine of an `f32`. /// /// The stabilized version of this intrinsic is /// [`f32::sin`](../../std/primitive.f32.html#method.sin) + #[rustc_nounwind] pub fn sinf32(x: f32) -> f32; /// Returns the sine of an `f64`. /// /// The stabilized version of this intrinsic is /// [`f64::sin`](../../std/primitive.f64.html#method.sin) + #[rustc_nounwind] pub fn sinf64(x: f64) -> f64; /// Returns the cosine of an `f32`. /// /// The stabilized version of this intrinsic is /// [`f32::cos`](../../std/primitive.f32.html#method.cos) + #[rustc_nounwind] pub fn cosf32(x: f32) -> f32; /// Returns the cosine of an `f64`. /// /// The stabilized version of this intrinsic is /// [`f64::cos`](../../std/primitive.f64.html#method.cos) + #[rustc_nounwind] pub fn cosf64(x: f64) -> f64; /// Raises an `f32` to an `f32` power. /// /// The stabilized version of this intrinsic is /// [`f32::powf`](../../std/primitive.f32.html#method.powf) + #[rustc_nounwind] pub fn powf32(a: f32, x: f32) -> f32; /// Raises an `f64` to an `f64` power. /// /// The stabilized version of this intrinsic is /// [`f64::powf`](../../std/primitive.f64.html#method.powf) + #[rustc_nounwind] pub fn powf64(a: f64, x: f64) -> f64; /// Returns the exponential of an `f32`. /// /// The stabilized version of this intrinsic is /// [`f32::exp`](../../std/primitive.f32.html#method.exp) + #[rustc_nounwind] pub fn expf32(x: f32) -> f32; /// Returns the exponential of an `f64`. /// /// The stabilized version of this intrinsic is /// [`f64::exp`](../../std/primitive.f64.html#method.exp) + #[rustc_nounwind] pub fn expf64(x: f64) -> f64; /// Returns 2 raised to the power of an `f32`. /// /// The stabilized version of this intrinsic is /// [`f32::exp2`](../../std/primitive.f32.html#method.exp2) + #[rustc_nounwind] pub fn exp2f32(x: f32) -> f32; /// Returns 2 raised to the power of an `f64`. /// /// The stabilized version of this intrinsic is /// [`f64::exp2`](../../std/primitive.f64.html#method.exp2) + #[rustc_nounwind] pub fn exp2f64(x: f64) -> f64; /// Returns the natural logarithm of an `f32`. /// /// The stabilized version of this intrinsic is /// [`f32::ln`](../../std/primitive.f32.html#method.ln) + #[rustc_nounwind] pub fn logf32(x: f32) -> f32; /// Returns the natural logarithm of an `f64`. /// /// The stabilized version of this intrinsic is /// [`f64::ln`](../../std/primitive.f64.html#method.ln) + #[rustc_nounwind] pub fn logf64(x: f64) -> f64; /// Returns the base 10 logarithm of an `f32`. /// /// The stabilized version of this intrinsic is /// [`f32::log10`](../../std/primitive.f32.html#method.log10) + #[rustc_nounwind] pub fn log10f32(x: f32) -> f32; /// Returns the base 10 logarithm of an `f64`. /// /// The stabilized version of this intrinsic is /// [`f64::log10`](../../std/primitive.f64.html#method.log10) + #[rustc_nounwind] pub fn log10f64(x: f64) -> f64; /// Returns the base 2 logarithm of an `f32`. /// /// The stabilized version of this intrinsic is /// [`f32::log2`](../../std/primitive.f32.html#method.log2) + #[rustc_nounwind] pub fn log2f32(x: f32) -> f32; /// Returns the base 2 logarithm of an `f64`. /// /// The stabilized version of this intrinsic is /// [`f64::log2`](../../std/primitive.f64.html#method.log2) + #[rustc_nounwind] pub fn log2f64(x: f64) -> f64; /// Returns `a * b + c` for `f32` values. /// /// The stabilized version of this intrinsic is /// [`f32::mul_add`](../../std/primitive.f32.html#method.mul_add) + #[rustc_nounwind] pub fn fmaf32(a: f32, b: f32, c: f32) -> f32; /// Returns `a * b + c` for `f64` values. /// /// The stabilized version of this intrinsic is /// [`f64::mul_add`](../../std/primitive.f64.html#method.mul_add) + #[rustc_nounwind] pub fn fmaf64(a: f64, b: f64, c: f64) -> f64; /// Returns the absolute value of an `f32`. /// /// The stabilized version of this intrinsic is /// [`f32::abs`](../../std/primitive.f32.html#method.abs) + #[rustc_nounwind] pub fn fabsf32(x: f32) -> f32; /// Returns the absolute value of an `f64`. /// /// The stabilized version of this intrinsic is /// [`f64::abs`](../../std/primitive.f64.html#method.abs) + #[rustc_nounwind] pub fn fabsf64(x: f64) -> f64; /// Returns the minimum of two `f32` values. @@ -1504,6 +1663,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is /// [`f32::min`] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn minnumf32(x: f32, y: f32) -> f32; /// Returns the minimum of two `f64` values. /// @@ -1515,6 +1675,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is /// [`f64::min`] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn minnumf64(x: f64, y: f64) -> f64; /// Returns the maximum of two `f32` values. /// @@ -1526,6 +1687,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is /// [`f32::max`] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn maxnumf32(x: f32, y: f32) -> f32; /// Returns the maximum of two `f64` values. /// @@ -1537,50 +1699,59 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is /// [`f64::max`] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn maxnumf64(x: f64, y: f64) -> f64; /// Copies the sign from `y` to `x` for `f32` values. /// /// The stabilized version of this intrinsic is /// [`f32::copysign`](../../std/primitive.f32.html#method.copysign) + #[rustc_nounwind] pub fn copysignf32(x: f32, y: f32) -> f32; /// Copies the sign from `y` to `x` for `f64` values. /// /// The stabilized version of this intrinsic is /// [`f64::copysign`](../../std/primitive.f64.html#method.copysign) + #[rustc_nounwind] pub fn copysignf64(x: f64, y: f64) -> f64; /// Returns the largest integer less than or equal to an `f32`. /// /// The stabilized version of this intrinsic is /// [`f32::floor`](../../std/primitive.f32.html#method.floor) + #[rustc_nounwind] pub fn floorf32(x: f32) -> f32; /// Returns the largest integer less than or equal to an `f64`. /// /// The stabilized version of this intrinsic is /// [`f64::floor`](../../std/primitive.f64.html#method.floor) + #[rustc_nounwind] pub fn floorf64(x: f64) -> f64; /// Returns the smallest integer greater than or equal to an `f32`. /// /// The stabilized version of this intrinsic is /// [`f32::ceil`](../../std/primitive.f32.html#method.ceil) + #[rustc_nounwind] pub fn ceilf32(x: f32) -> f32; /// Returns the smallest integer greater than or equal to an `f64`. /// /// The stabilized version of this intrinsic is /// [`f64::ceil`](../../std/primitive.f64.html#method.ceil) + #[rustc_nounwind] pub fn ceilf64(x: f64) -> f64; /// Returns the integer part of an `f32`. /// /// The stabilized version of this intrinsic is /// [`f32::trunc`](../../std/primitive.f32.html#method.trunc) + #[rustc_nounwind] pub fn truncf32(x: f32) -> f32; /// Returns the integer part of an `f64`. /// /// The stabilized version of this intrinsic is /// [`f64::trunc`](../../std/primitive.f64.html#method.trunc) + #[rustc_nounwind] pub fn truncf64(x: f64) -> f64; /// Returns the nearest integer to an `f32`. May raise an inexact floating-point exception @@ -1588,32 +1759,38 @@ extern "rust-intrinsic" { /// /// The stabilized version of this intrinsic is /// [`f32::round_ties_even`](../../std/primitive.f32.html#method.round_ties_even) + #[rustc_nounwind] pub fn rintf32(x: f32) -> f32; /// Returns the nearest integer to an `f64`. May raise an inexact floating-point exception /// if the argument is not an integer. /// /// The stabilized version of this intrinsic is /// [`f64::round_ties_even`](../../std/primitive.f64.html#method.round_ties_even) + #[rustc_nounwind] pub fn rintf64(x: f64) -> f64; /// Returns the nearest integer to an `f32`. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn nearbyintf32(x: f32) -> f32; /// Returns the nearest integer to an `f64`. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn nearbyintf64(x: f64) -> f64; /// Returns the nearest integer to an `f32`. Rounds half-way cases away from zero. /// /// The stabilized version of this intrinsic is /// [`f32::round`](../../std/primitive.f32.html#method.round) + #[rustc_nounwind] pub fn roundf32(x: f32) -> f32; /// Returns the nearest integer to an `f64`. Rounds half-way cases away from zero. /// /// The stabilized version of this intrinsic is /// [`f64::round`](../../std/primitive.f64.html#method.round) + #[rustc_nounwind] pub fn roundf64(x: f64) -> f64; /// Returns the nearest integer to an `f32`. Rounds half-way cases to the number @@ -1621,48 +1798,56 @@ extern "rust-intrinsic" { /// /// 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; /// Float addition that allows optimizations based on algebraic rules. /// May assume inputs are finite. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn fadd_fast<T: Copy>(a: T, b: T) -> T; /// Float subtraction that allows optimizations based on algebraic rules. /// May assume inputs are finite. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn fsub_fast<T: Copy>(a: T, b: T) -> T; /// Float multiplication that allows optimizations based on algebraic rules. /// May assume inputs are finite. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn fmul_fast<T: Copy>(a: T, b: T) -> T; /// Float division that allows optimizations based on algebraic rules. /// May assume inputs are finite. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn fdiv_fast<T: Copy>(a: T, b: T) -> T; /// Float remainder that allows optimizations based on algebraic rules. /// May assume inputs are finite. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn frem_fast<T: Copy>(a: T, b: T) -> T; /// Convert with LLVM’s fptoui/fptosi, which may return undef for values out of range /// (<https://github.com/rust-lang/rust/issues/10184>) /// /// Stabilized as [`f32::to_int_unchecked`] and [`f64::to_int_unchecked`]. + #[rustc_nounwind] pub fn float_to_int_unchecked<Float: Copy, Int: Copy>(value: Float) -> Int; /// Returns the number of bits set in an integer type `T` @@ -1677,6 +1862,7 @@ extern "rust-intrinsic" { /// [`u32::count_ones`] #[rustc_const_stable(feature = "const_ctpop", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn ctpop<T: Copy>(x: T) -> T; /// Returns the number of leading unset bits (zeroes) in an integer type `T`. @@ -1715,6 +1901,7 @@ extern "rust-intrinsic" { /// ``` #[rustc_const_stable(feature = "const_ctlz", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn ctlz<T: Copy>(x: T) -> T; /// Like `ctlz`, but extra-unsafe as it returns `undef` when @@ -1734,6 +1921,7 @@ extern "rust-intrinsic" { /// assert_eq!(num_leading, 3); /// ``` #[rustc_const_stable(feature = "constctlz", since = "1.50.0")] + #[rustc_nounwind] pub fn ctlz_nonzero<T: Copy>(x: T) -> T; /// Returns the number of trailing unset bits (zeroes) in an integer type `T`. @@ -1772,6 +1960,7 @@ extern "rust-intrinsic" { /// ``` #[rustc_const_stable(feature = "const_cttz", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn cttz<T: Copy>(x: T) -> T; /// Like `cttz`, but extra-unsafe as it returns `undef` when @@ -1791,6 +1980,7 @@ extern "rust-intrinsic" { /// assert_eq!(num_trailing, 3); /// ``` #[rustc_const_stable(feature = "const_cttz_nonzero", since = "1.53.0")] + #[rustc_nounwind] pub fn cttz_nonzero<T: Copy>(x: T) -> T; /// Reverses the bytes in an integer type `T`. @@ -1805,6 +1995,7 @@ extern "rust-intrinsic" { /// [`u32::swap_bytes`] #[rustc_const_stable(feature = "const_bswap", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn bswap<T: Copy>(x: T) -> T; /// Reverses the bits in an integer type `T`. @@ -1819,6 +2010,7 @@ extern "rust-intrinsic" { /// [`u32::reverse_bits`] #[rustc_const_stable(feature = "const_bitreverse", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn bitreverse<T: Copy>(x: T) -> T; /// Performs checked integer addition. @@ -1833,6 +2025,7 @@ extern "rust-intrinsic" { /// [`u32::overflowing_add`] #[rustc_const_stable(feature = "const_int_overflow", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn add_with_overflow<T: Copy>(x: T, y: T) -> (T, bool); /// Performs checked integer subtraction @@ -1847,6 +2040,7 @@ extern "rust-intrinsic" { /// [`u32::overflowing_sub`] #[rustc_const_stable(feature = "const_int_overflow", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn sub_with_overflow<T: Copy>(x: T, y: T) -> (T, bool); /// Performs checked integer multiplication @@ -1861,6 +2055,7 @@ extern "rust-intrinsic" { /// [`u32::overflowing_mul`] #[rustc_const_stable(feature = "const_int_overflow", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn mul_with_overflow<T: Copy>(x: T, y: T) -> (T, bool); /// Performs an exact division, resulting in undefined behavior where @@ -1868,6 +2063,7 @@ extern "rust-intrinsic" { /// /// This intrinsic does not have a stable counterpart. #[rustc_const_unstable(feature = "const_exact_div", issue = "none")] + #[rustc_nounwind] pub fn exact_div<T: Copy>(x: T, y: T) -> T; /// Performs an unchecked division, resulting in undefined behavior @@ -1877,6 +2073,7 @@ extern "rust-intrinsic" { /// primitives via the `checked_div` method. For example, /// [`u32::checked_div`] #[rustc_const_stable(feature = "const_int_unchecked_div", since = "1.52.0")] + #[rustc_nounwind] pub fn unchecked_div<T: Copy>(x: T, y: T) -> T; /// Returns the remainder of an unchecked division, resulting in /// undefined behavior when `y == 0` or `x == T::MIN && y == -1` @@ -1885,6 +2082,7 @@ extern "rust-intrinsic" { /// primitives via the `checked_rem` method. For example, /// [`u32::checked_rem`] #[rustc_const_stable(feature = "const_int_unchecked_rem", since = "1.52.0")] + #[rustc_nounwind] pub fn unchecked_rem<T: Copy>(x: T, y: T) -> T; /// Performs an unchecked left shift, resulting in undefined behavior when @@ -1894,6 +2092,7 @@ extern "rust-intrinsic" { /// primitives via the `checked_shl` method. For example, /// [`u32::checked_shl`] #[rustc_const_stable(feature = "const_int_unchecked", since = "1.40.0")] + #[rustc_nounwind] pub fn unchecked_shl<T: Copy>(x: T, y: T) -> T; /// Performs an unchecked right shift, resulting in undefined behavior when /// `y < 0` or `y >= N`, where N is the width of T in bits. @@ -1902,6 +2101,7 @@ extern "rust-intrinsic" { /// primitives via the `checked_shr` method. For example, /// [`u32::checked_shr`] #[rustc_const_stable(feature = "const_int_unchecked", since = "1.40.0")] + #[rustc_nounwind] pub fn unchecked_shr<T: Copy>(x: T, y: T) -> T; /// Returns the result of an unchecked addition, resulting in @@ -1909,6 +2109,7 @@ extern "rust-intrinsic" { /// /// This intrinsic does not have a stable counterpart. #[rustc_const_unstable(feature = "const_int_unchecked_arith", issue = "none")] + #[rustc_nounwind] pub fn unchecked_add<T: Copy>(x: T, y: T) -> T; /// Returns the result of an unchecked subtraction, resulting in @@ -1916,6 +2117,7 @@ extern "rust-intrinsic" { /// /// This intrinsic does not have a stable counterpart. #[rustc_const_unstable(feature = "const_int_unchecked_arith", issue = "none")] + #[rustc_nounwind] pub fn unchecked_sub<T: Copy>(x: T, y: T) -> T; /// Returns the result of an unchecked multiplication, resulting in @@ -1923,6 +2125,7 @@ extern "rust-intrinsic" { /// /// This intrinsic does not have a stable counterpart. #[rustc_const_unstable(feature = "const_int_unchecked_arith", issue = "none")] + #[rustc_nounwind] pub fn unchecked_mul<T: Copy>(x: T, y: T) -> T; /// Performs rotate left. @@ -1937,6 +2140,7 @@ extern "rust-intrinsic" { /// [`u32::rotate_left`] #[rustc_const_stable(feature = "const_int_rotate", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn rotate_left<T: Copy>(x: T, y: T) -> T; /// Performs rotate right. @@ -1951,6 +2155,7 @@ extern "rust-intrinsic" { /// [`u32::rotate_right`] #[rustc_const_stable(feature = "const_int_rotate", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn rotate_right<T: Copy>(x: T, y: T) -> T; /// Returns (a + b) mod 2<sup>N</sup>, where N is the width of T in bits. @@ -1965,6 +2170,7 @@ extern "rust-intrinsic" { /// [`u32::wrapping_add`] #[rustc_const_stable(feature = "const_int_wrapping", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn wrapping_add<T: Copy>(a: T, b: T) -> T; /// Returns (a - b) mod 2<sup>N</sup>, where N is the width of T in bits. /// @@ -1978,6 +2184,7 @@ extern "rust-intrinsic" { /// [`u32::wrapping_sub`] #[rustc_const_stable(feature = "const_int_wrapping", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn wrapping_sub<T: Copy>(a: T, b: T) -> T; /// Returns (a * b) mod 2<sup>N</sup>, where N is the width of T in bits. /// @@ -1991,6 +2198,7 @@ extern "rust-intrinsic" { /// [`u32::wrapping_mul`] #[rustc_const_stable(feature = "const_int_wrapping", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn wrapping_mul<T: Copy>(a: T, b: T) -> T; /// Computes `a + b`, saturating at numeric bounds. @@ -2005,6 +2213,7 @@ extern "rust-intrinsic" { /// [`u32::saturating_add`] #[rustc_const_stable(feature = "const_int_saturating", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn saturating_add<T: Copy>(a: T, b: T) -> T; /// Computes `a - b`, saturating at numeric bounds. /// @@ -2018,6 +2227,7 @@ extern "rust-intrinsic" { /// [`u32::saturating_sub`] #[rustc_const_stable(feature = "const_int_saturating", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn saturating_sub<T: Copy>(a: T, b: T) -> T; /// This is an implementation detail of [`crate::ptr::read`] and should @@ -2028,6 +2238,7 @@ extern "rust-intrinsic" { /// 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; /// Returns the value of the discriminant for the variant in 'v'; @@ -2041,6 +2252,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is [`core::mem::discriminant`]. #[rustc_const_unstable(feature = "const_discriminant", issue = "69821")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn discriminant_value<T>(v: &T) -> <T as DiscriminantKind>::Discriminant; /// Returns the number of variants of the type `T` cast to a `usize`; @@ -2054,6 +2266,7 @@ extern "rust-intrinsic" { /// The to-be-stabilized version of this intrinsic is [`mem::variant_count`]. #[rustc_const_unstable(feature = "variant_count", issue = "73662")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn variant_count<T>() -> usize; /// Rust's "try catch" construct which invokes the function pointer `try_fn` @@ -2063,18 +2276,24 @@ extern "rust-intrinsic" { /// takes the data pointer and a pointer to the target-specific exception /// object that was caught. For more information see the compiler's /// source as well as std's catch implementation. + /// + /// `catch_fn` must not unwind. + #[rustc_nounwind] pub fn r#try(try_fn: fn(*mut u8), data: *mut u8, catch_fn: fn(*mut u8, *mut u8)) -> i32; /// Emits a `!nontemporal` store according to LLVM (see their docs). /// Probably will never become stable. + #[rustc_nounwind] pub fn nontemporal_store<T>(ptr: *mut T, val: T); /// See documentation of `<*const T>::offset_from` for details. #[rustc_const_stable(feature = "const_ptr_offset_from", since = "1.65.0")] + #[rustc_nounwind] pub fn ptr_offset_from<T>(ptr: *const T, base: *const T) -> isize; /// See documentation of `<*const T>::sub_ptr` for details. #[rustc_const_unstable(feature = "const_ptr_sub_ptr", issue = "95892")] + #[rustc_nounwind] pub fn ptr_offset_from_unsigned<T>(ptr: *const T, base: *const T) -> usize; /// See documentation of `<*const T>::guaranteed_eq` for details. @@ -2088,6 +2307,7 @@ extern "rust-intrinsic" { /// any safety invariants. #[rustc_const_unstable(feature = "const_raw_ptr_comparison", issue = "53020")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn ptr_guaranteed_cmp<T>(ptr: *const T, other: *const T) -> u8; /// Allocates a block of memory at compile time. @@ -2099,6 +2319,7 @@ extern "rust-intrinsic" { /// - At compile time, a compile error occurs if this constraint is violated. /// - At runtime, it is not checked. #[rustc_const_unstable(feature = "const_heap", issue = "79597")] + #[rustc_nounwind] pub fn const_allocate(size: usize, align: usize) -> *mut u8; /// Deallocates a memory which allocated by `intrinsics::const_allocate` at compile time. @@ -2112,6 +2333,7 @@ extern "rust-intrinsic" { /// - If the `ptr` is created in an another const, this intrinsic doesn't deallocate it. /// - If the `ptr` is pointing to a local variable, this intrinsic doesn't deallocate it. #[rustc_const_unstable(feature = "const_heap", issue = "79597")] + #[rustc_nounwind] pub fn const_deallocate(ptr: *mut u8, size: usize, align: usize); /// Determines whether the raw bytes of the two values are equal. @@ -2136,6 +2358,7 @@ extern "rust-intrinsic" { /// (The implementation is allowed to branch on the results of comparisons, /// which is UB if any of their inputs are `undef`.) #[rustc_const_unstable(feature = "const_intrinsic_raw_eq", issue = "none")] + #[rustc_nounwind] pub fn raw_eq<T>(a: &T, b: &T) -> bool; /// See documentation of [`std::hint::black_box`] for details. @@ -2143,14 +2366,17 @@ extern "rust-intrinsic" { /// [`std::hint::black_box`]: crate::hint::black_box #[rustc_const_unstable(feature = "const_black_box", issue = "none")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn black_box<T>(dummy: T) -> T; /// `ptr` must point to a vtable. /// The intrinsic will return the size stored in that vtable. + #[rustc_nounwind] pub fn vtable_size(ptr: *const ()) -> usize; /// `ptr` must point to a vtable. /// The intrinsic will return the alignment stored in that vtable. + #[rustc_nounwind] pub fn vtable_align(ptr: *const ()) -> usize; /// Selects which function to call depending on the context. @@ -2215,10 +2441,11 @@ extern "rust-intrinsic" { G: FnOnce<ARG, Output = RET>, F: FnOnce<ARG, Output = RET>; - #[cfg(not(bootstrap))] /// 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; } @@ -2392,6 +2619,7 @@ pub(crate) fn is_nonoverlapping<T>(src: *const T, dst: *const T, count: usize) - pub const unsafe fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize) { extern "rust-intrinsic" { #[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.63.0")] + #[rustc_nounwind] pub fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize); } @@ -2482,6 +2710,7 @@ pub const unsafe fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: us pub const unsafe fn copy<T>(src: *const T, dst: *mut T, count: usize) { extern "rust-intrinsic" { #[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.63.0")] + #[rustc_nounwind] fn copy<T>(src: *const T, dst: *mut T, count: usize); } @@ -2554,6 +2783,7 @@ pub const unsafe fn copy<T>(src: *const T, dst: *mut T, count: usize) { pub const unsafe fn write_bytes<T>(dst: *mut T, val: u8, count: usize) { extern "rust-intrinsic" { #[rustc_const_unstable(feature = "const_ptr_write", issue = "86302")] + #[rustc_nounwind] fn write_bytes<T>(dst: *mut T, val: u8, count: usize); } diff --git a/library/core/src/marker.rs b/library/core/src/marker.rs index 62064f1aa6c..3cd4f5104ce 100644 --- a/library/core/src/marker.rs +++ b/library/core/src/marker.rs @@ -823,7 +823,7 @@ unsafe impl<T: ?Sized> Freeze for &mut T {} /// [`pin` module]: crate::pin #[stable(feature = "pin", since = "1.33.0")] #[rustc_on_unimplemented( - note = "consider using `Box::pin`", + note = "consider using the `pin!` macro\nconsider using `Box::pin` if you need to access the pinned value outside of the current scope", message = "`{Self}` cannot be unpinned" )] #[lang = "unpin"] diff --git a/library/core/src/ptr/mod.rs b/library/core/src/ptr/mod.rs index 9cdfd2c21cc..818f1a919d0 100644 --- a/library/core/src/ptr/mod.rs +++ b/library/core/src/ptr/mod.rs @@ -1371,6 +1371,7 @@ pub const unsafe fn write<T>(dst: *mut T, src: T) { // as `intrinsics::copy_nonoverlapping` is a wrapper function. extern "rust-intrinsic" { #[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.63.0")] + #[rustc_nounwind] fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize); } diff --git a/library/std/src/panicking.rs b/library/std/src/panicking.rs index e505466e535..a46a29cbad6 100644 --- a/library/std/src/panicking.rs +++ b/library/std/src/panicking.rs @@ -498,6 +498,7 @@ pub unsafe fn r#try<R, F: FnOnce() -> R>(f: F) -> Result<R, Box<dyn Any + Send>> // This function cannot be marked as `unsafe` because `intrinsics::r#try` // expects normal function pointers. #[inline] + #[rustc_nounwind] // `intrinsic::r#try` requires catch fn to be nounwind fn do_catch<F: FnOnce() -> R, R>(data: *mut u8, payload: *mut u8) { // SAFETY: this is the responsibility of the caller, see above. // diff --git a/src/bootstrap/dist.rs b/src/bootstrap/dist.rs index 8ce220c8647..94e71b89b5c 100644 --- a/src/bootstrap/dist.rs +++ b/src/bootstrap/dist.rs @@ -895,6 +895,8 @@ impl Step for Src { /// Creates the `rust-src` installer component fn run(self, builder: &Builder<'_>) -> GeneratedTarball { + builder.update_submodule(&Path::new("src/llvm-project")); + let tarball = Tarball::new_targetless(builder, "rust-src"); // A lot of tools expect the rust-src component to be entirely in this directory, so if you diff --git a/src/bootstrap/llvm.rs b/src/bootstrap/llvm.rs index d123deec354..a893c3a47c9 100644 --- a/src/bootstrap/llvm.rs +++ b/src/bootstrap/llvm.rs @@ -1087,6 +1087,8 @@ impl Step for CrtBeginEnd { /// Build crtbegin.o/crtend.o for musl target. fn run(self, builder: &Builder<'_>) -> Self::Output { + builder.update_submodule(&Path::new("src/llvm-project")); + let out_dir = builder.native_dir(self.target).join("crt"); if builder.config.dry_run() { @@ -1153,6 +1155,8 @@ impl Step for Libunwind { /// Build linunwind.a fn run(self, builder: &Builder<'_>) -> Self::Output { + builder.update_submodule(&Path::new("src/llvm-project")); + if builder.config.dry_run() { return PathBuf::new(); } diff --git a/tests/mir-opt/issue_104451_unwindable_intrinsics.main.AbortUnwindingCalls.after.mir b/tests/mir-opt/issue_104451_unwindable_intrinsics.main.AbortUnwindingCalls.after.mir new file mode 100644 index 00000000000..f50c0eb4788 --- /dev/null +++ b/tests/mir-opt/issue_104451_unwindable_intrinsics.main.AbortUnwindingCalls.after.mir @@ -0,0 +1,25 @@ +// MIR for `main` after AbortUnwindingCalls + +fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/issue_104451_unwindable_intrinsics.rs:+0:11: +0:11 + let mut _1: !; // in scope 0 at $DIR/issue_104451_unwindable_intrinsics.rs:+2:9: +2:62 + let mut _2: (); // in scope 0 at $DIR/issue_104451_unwindable_intrinsics.rs:+2:45: +2:47 + scope 1 { + } + + bb0: { + StorageLive(_1); // scope 1 at $DIR/issue_104451_unwindable_intrinsics.rs:+2:9: +2:62 + StorageLive(_2); // scope 1 at $DIR/issue_104451_unwindable_intrinsics.rs:+2:45: +2:47 + _2 = (); // scope 1 at $DIR/issue_104451_unwindable_intrinsics.rs:+2:45: +2:47 + _1 = const_eval_select::<(), fn() -> ! {ow_ct}, fn() -> ! {ow_ct}, !>(move _2, ow_ct, ow_ct); // scope 1 at $DIR/issue_104451_unwindable_intrinsics.rs:+2:9: +2:62 + // mir::Constant + // + span: $DIR/issue_104451_unwindable_intrinsics.rs:8:9: 8:44 + // + literal: Const { ty: unsafe extern "rust-intrinsic" fn((), fn() -> ! {ow_ct}, fn() -> ! {ow_ct}) -> ! {const_eval_select::<(), fn() -> ! {ow_ct}, fn() -> ! {ow_ct}, !>}, val: Value(<ZST>) } + // mir::Constant + // + span: $DIR/issue_104451_unwindable_intrinsics.rs:8:49: 8:54 + // + literal: Const { ty: fn() -> ! {ow_ct}, val: Value(<ZST>) } + // mir::Constant + // + span: $DIR/issue_104451_unwindable_intrinsics.rs:8:56: 8:61 + // + literal: Const { ty: fn() -> ! {ow_ct}, val: Value(<ZST>) } + } +} diff --git a/tests/mir-opt/issue_104451_unwindable_intrinsics.rs b/tests/mir-opt/issue_104451_unwindable_intrinsics.rs new file mode 100644 index 00000000000..9babd4aaed5 --- /dev/null +++ b/tests/mir-opt/issue_104451_unwindable_intrinsics.rs @@ -0,0 +1,14 @@ +// Check that `UnwindAction::Unreachable` is not generated for unwindable intrinsics. +// ignore-wasm32 compiled with panic=abort by default +#![feature(core_intrinsics)] + +// EMIT_MIR issue_104451_unwindable_intrinsics.main.AbortUnwindingCalls.after.mir +fn main() { + unsafe { + core::intrinsics::const_eval_select((), ow_ct, ow_ct) + } +} + +const fn ow_ct() -> ! { + panic!(); +} diff --git a/tests/mir-opt/lower_intrinsics.assume.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.assume.LowerIntrinsics.diff index 935eccfc6f4..e95c3f9bcc7 100644 --- a/tests/mir-opt/lower_intrinsics.assume.LowerIntrinsics.diff +++ b/tests/mir-opt/lower_intrinsics.assume.LowerIntrinsics.diff @@ -11,7 +11,7 @@ StorageLive(_1); // scope 1 at $DIR/lower_intrinsics.rs:+2:9: +2:38 - _1 = std::intrinsics::assume(const true) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/lower_intrinsics.rs:+2:9: +2:38 - // mir::Constant -- // + span: $DIR/lower_intrinsics.rs:105:9: 105:32 +- // + span: $DIR/lower_intrinsics.rs:106:9: 106:32 - // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(bool) {std::intrinsics::assume}, val: Value(<ZST>) } + assume(const true); // scope 1 at $DIR/lower_intrinsics.rs:+2:9: +2:38 + goto -> bb1; // scope 1 at $DIR/lower_intrinsics.rs:+2:9: +2:38 diff --git a/tests/mir-opt/lower_intrinsics.f_copy_nonoverlapping.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.f_copy_nonoverlapping.LowerIntrinsics.diff index b0c32e4b21a..a54e9a9320e 100644 --- a/tests/mir-opt/lower_intrinsics.f_copy_nonoverlapping.LowerIntrinsics.diff +++ b/tests/mir-opt/lower_intrinsics.f_copy_nonoverlapping.LowerIntrinsics.diff @@ -49,7 +49,7 @@ StorageDead(_9); // scope 3 at $DIR/lower_intrinsics.rs:+4:90: +4:91 - _3 = copy_nonoverlapping::<i32>(move _4, move _8, const 0_usize) -> [return: bb1, unwind unreachable]; // scope 3 at $DIR/lower_intrinsics.rs:+4:9: +4:95 - // mir::Constant -- // + span: $DIR/lower_intrinsics.rs:98:9: 98:28 +- // + span: $DIR/lower_intrinsics.rs:99:9: 99:28 - // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(*const i32, *mut i32, usize) {copy_nonoverlapping::<i32>}, val: Value(<ZST>) } + copy_nonoverlapping(dst = move _8, src = move _4, count = const 0_usize); // scope 3 at $DIR/lower_intrinsics.rs:+4:9: +4:95 + goto -> bb1; // scope 3 at $DIR/lower_intrinsics.rs:+4:9: +4:95 diff --git a/tests/mir-opt/lower_intrinsics.option_payload.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.option_payload.LowerIntrinsics.diff index 93863fca344..cc5079af7f4 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:132:18: 132:54 +- // + span: $DIR/lower_intrinsics.rs:133:18: 133:54 - // + 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:133:18: 133:54 +- // + span: $DIR/lower_intrinsics.rs:134:18: 134:54 - // + 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.read_via_copy_primitive.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.read_via_copy_primitive.LowerIntrinsics.diff index f816678b4b3..5805df48f54 100644 --- a/tests/mir-opt/lower_intrinsics.read_via_copy_primitive.LowerIntrinsics.diff +++ b/tests/mir-opt/lower_intrinsics.read_via_copy_primitive.LowerIntrinsics.diff @@ -13,7 +13,7 @@ _2 = &raw const (*_1); // scope 1 at $DIR/lower_intrinsics.rs:+1:46: +1:47 - _0 = read_via_copy::<i32>(move _2) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:48 - // mir::Constant -- // + span: $DIR/lower_intrinsics.rs:118:14: 118:45 +- // + span: $DIR/lower_intrinsics.rs:119:14: 119:45 - // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(*const i32) -> i32 {read_via_copy::<i32>}, val: Value(<ZST>) } + _0 = (*_2); // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:48 + goto -> bb1; // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:48 diff --git a/tests/mir-opt/lower_intrinsics.read_via_copy_uninhabited.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.read_via_copy_uninhabited.LowerIntrinsics.diff index f3416418922..95b2ec49d80 100644 --- a/tests/mir-opt/lower_intrinsics.read_via_copy_uninhabited.LowerIntrinsics.diff +++ b/tests/mir-opt/lower_intrinsics.read_via_copy_uninhabited.LowerIntrinsics.diff @@ -13,7 +13,7 @@ _2 = &raw const (*_1); // scope 1 at $DIR/lower_intrinsics.rs:+1:46: +1:47 - _0 = read_via_copy::<Never>(move _2) -> unwind unreachable; // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:48 - // mir::Constant -- // + span: $DIR/lower_intrinsics.rs:123:14: 123:45 +- // + span: $DIR/lower_intrinsics.rs:124:14: 124:45 - // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(*const Never) -> Never {read_via_copy::<Never>}, val: Value(<ZST>) } + unreachable; // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:48 } diff --git a/tests/mir-opt/lower_intrinsics.rs b/tests/mir-opt/lower_intrinsics.rs index ec215c9a664..33fef930ad3 100644 --- a/tests/mir-opt/lower_intrinsics.rs +++ b/tests/mir-opt/lower_intrinsics.rs @@ -1,7 +1,7 @@ // unit-test: LowerIntrinsics // ignore-wasm32 compiled with panic=abort by default -#![feature(core_intrinsics, intrinsics)] +#![feature(core_intrinsics, intrinsics, rustc_attrs)] #![crate_type = "lib"] // EMIT_MIR lower_intrinsics.wrapping.LowerIntrinsics.diff @@ -87,6 +87,7 @@ pub fn discriminant<T>(t: T) { extern "rust-intrinsic" { // Cannot use `std::intrinsics::copy_nonoverlapping` as that is a wrapper function + #[rustc_nounwind] fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize); } diff --git a/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.diff index fb12d3dfa6e..9cf4fbb88f3 100644 --- a/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.diff +++ b/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.diff @@ -32,7 +32,7 @@ _5 = _2; // scope 0 at $DIR/lower_intrinsics.rs:+1:53: +1:54 - _3 = add_with_overflow::<i32>(move _4, move _5) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:55 - // mir::Constant -- // + span: $DIR/lower_intrinsics.rs:111:14: 111:49 +- // + span: $DIR/lower_intrinsics.rs:112:14: 112:49 - // + literal: Const { ty: extern "rust-intrinsic" fn(i32, i32) -> (i32, bool) {add_with_overflow::<i32>}, val: Value(<ZST>) } + _3 = CheckedAdd(move _4, move _5); // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:55 + goto -> bb1; // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:55 @@ -48,7 +48,7 @@ _8 = _2; // scope 1 at $DIR/lower_intrinsics.rs:+2:53: +2:54 - _6 = sub_with_overflow::<i32>(move _7, move _8) -> [return: bb2, unwind unreachable]; // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:55 - // mir::Constant -- // + span: $DIR/lower_intrinsics.rs:112:14: 112:49 +- // + span: $DIR/lower_intrinsics.rs:113:14: 113:49 - // + literal: Const { ty: extern "rust-intrinsic" fn(i32, i32) -> (i32, bool) {sub_with_overflow::<i32>}, val: Value(<ZST>) } + _6 = CheckedSub(move _7, move _8); // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:55 + goto -> bb2; // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:55 @@ -64,7 +64,7 @@ _11 = _2; // scope 2 at $DIR/lower_intrinsics.rs:+3:53: +3:54 - _9 = mul_with_overflow::<i32>(move _10, move _11) -> [return: bb3, unwind unreachable]; // scope 2 at $DIR/lower_intrinsics.rs:+3:14: +3:55 - // mir::Constant -- // + span: $DIR/lower_intrinsics.rs:113:14: 113:49 +- // + span: $DIR/lower_intrinsics.rs:114:14: 114:49 - // + literal: Const { ty: extern "rust-intrinsic" fn(i32, i32) -> (i32, bool) {mul_with_overflow::<i32>}, val: Value(<ZST>) } + _9 = CheckedMul(move _10, move _11); // scope 2 at $DIR/lower_intrinsics.rs:+3:14: +3:55 + goto -> bb3; // scope 2 at $DIR/lower_intrinsics.rs:+3:14: +3:55 diff --git a/tests/run-make/rustdoc-verify-output-files/Makefile b/tests/run-make/rustdoc-verify-output-files/Makefile index 57ac7078d14..76f233ab445 100644 --- a/tests/run-make/rustdoc-verify-output-files/Makefile +++ b/tests/run-make/rustdoc-verify-output-files/Makefile @@ -14,7 +14,7 @@ all: $(RUSTDOC) src/lib.rs --crate-name foobar --crate-type lib --out-dir $(OUTPUT_DIR) # Check if everything exactly same - $(DIFF) -r -q $(OUTPUT_DIR) $(TMP_OUTPUT_DIR) + $(DIFF) -r $(OUTPUT_DIR) $(TMP_OUTPUT_DIR) # Generate json doc on the same output $(RUSTDOC) src/lib.rs --crate-name foobar --crate-type lib --out-dir $(OUTPUT_DIR) -Z unstable-options --output-format json @@ -29,4 +29,4 @@ all: $(RUSTDOC) src/lib.rs --crate-name foobar --crate-type lib --out-dir $(OUTPUT_DIR) -Z unstable-options --output-format json # Check if all docs(including both json and html formats) are still the same after multiple compilations - $(DIFF) -r -q $(OUTPUT_DIR) $(TMP_OUTPUT_DIR) + $(DIFF) -r $(OUTPUT_DIR) $(TMP_OUTPUT_DIR) diff --git a/tests/ui/associated-consts/associated-const-dead-code.stderr b/tests/ui/associated-consts/associated-const-dead-code.stderr index cc701cc4b94..7e485a314c5 100644 --- a/tests/ui/associated-consts/associated-const-dead-code.stderr +++ b/tests/ui/associated-consts/associated-const-dead-code.stderr @@ -1,6 +1,8 @@ error: associated constant `BAR` is never used --> $DIR/associated-const-dead-code.rs:6:11 | +LL | impl MyFoo { + | ---------- associated constant in this implementation LL | const BAR: u32 = 1; | ^^^ | diff --git a/tests/ui/async-await/pin-needed-to-poll-2.stderr b/tests/ui/async-await/pin-needed-to-poll-2.stderr index 0a6f705e255..61126faf899 100644 --- a/tests/ui/async-await/pin-needed-to-poll-2.stderr +++ b/tests/ui/async-await/pin-needed-to-poll-2.stderr @@ -6,7 +6,8 @@ LL | Pin::new(&mut self.sleep).poll(cx) | | | required by a bound introduced by this call | - = note: consider using `Box::pin` + = note: consider using the `pin!` macro + consider using `Box::pin` if you need to access the pinned value outside of the current scope note: required because it appears within the type `Sleep` --> $DIR/pin-needed-to-poll-2.rs:8:8 | diff --git a/tests/ui/generator/static-not-unpin.stderr b/tests/ui/generator/static-not-unpin.stderr index e3859595fd2..7376116b338 100644 --- a/tests/ui/generator/static-not-unpin.stderr +++ b/tests/ui/generator/static-not-unpin.stderr @@ -6,7 +6,8 @@ LL | assert_unpin(generator); | | | required by a bound introduced by this call | - = note: consider using `Box::pin` + = note: consider using the `pin!` macro + consider using `Box::pin` if you need to access the pinned value outside of the current scope note: required by a bound in `assert_unpin` --> $DIR/static-not-unpin.rs:7:20 | diff --git a/tests/ui/lint/dead-code/issue-85255.rs b/tests/ui/lint/dead-code/issue-85255.rs index 1978bd4e824..d75a8e2dd41 100644 --- a/tests/ui/lint/dead-code/issue-85255.rs +++ b/tests/ui/lint/dead-code/issue-85255.rs @@ -11,8 +11,8 @@ struct Foo { struct Bar; impl Bar { - fn a(&self) -> i32 { 5 } //~ WARNING: method `a` is never used - pub fn b(&self) -> i32 { 6 } //~ WARNING: method `b` is never used + fn a(&self) -> i32 { 5 } //~ WARNING: methods `a` and `b` are never used [dead_code] + pub fn b(&self) -> i32 { 6 } } pub(crate) struct Foo1 { @@ -23,8 +23,8 @@ pub(crate) struct Foo1 { pub(crate) struct Bar1; impl Bar1 { - fn a(&self) -> i32 { 5 } //~ WARNING: method `a` is never used - pub fn b(&self) -> i32 { 6 } //~ WARNING: method `b` is never used + fn a(&self) -> i32 { 5 } //~ WARNING: methods `a` and `b` are never used [dead_code] + pub fn b(&self) -> i32 { 6 } } pub(crate) struct Foo2 { @@ -35,8 +35,8 @@ pub(crate) struct Foo2 { pub(crate) struct Bar2; impl Bar2 { - fn a(&self) -> i32 { 5 } //~ WARNING: method `a` is never used - pub fn b(&self) -> i32 { 6 } //~ WARNING: method `b` is never used + fn a(&self) -> i32 { 5 } //~ WARNING: methods `a` and `b` are never used [dead_code] + pub fn b(&self) -> i32 { 6 } } diff --git a/tests/ui/lint/dead-code/issue-85255.stderr b/tests/ui/lint/dead-code/issue-85255.stderr index 58a19cf3c99..d981085a4fa 100644 --- a/tests/ui/lint/dead-code/issue-85255.stderr +++ b/tests/ui/lint/dead-code/issue-85255.stderr @@ -14,6 +14,16 @@ note: the lint level is defined here LL | #![warn(dead_code)] | ^^^^^^^^^ +warning: methods `a` and `b` are never used + --> $DIR/issue-85255.rs:14:8 + | +LL | impl Bar { + | -------- methods in this implementation +LL | fn a(&self) -> i32 { 5 } + | ^ +LL | pub fn b(&self) -> i32 { 6 } + | ^ + warning: fields `a` and `b` are never read --> $DIR/issue-85255.rs:19:5 | @@ -24,6 +34,16 @@ LL | a: i32, LL | pub b: i32, | ^ +warning: methods `a` and `b` are never used + --> $DIR/issue-85255.rs:26:8 + | +LL | impl Bar1 { + | --------- methods in this implementation +LL | fn a(&self) -> i32 { 5 } + | ^ +LL | pub fn b(&self) -> i32 { 6 } + | ^ + warning: fields `a` and `b` are never read --> $DIR/issue-85255.rs:31:5 | @@ -34,41 +54,15 @@ LL | a: i32, LL | pub b: i32, | ^ -warning: method `a` is never used - --> $DIR/issue-85255.rs:14:8 - | -LL | fn a(&self) -> i32 { 5 } - | ^ - -warning: method `b` is never used - --> $DIR/issue-85255.rs:15:12 - | -LL | pub fn b(&self) -> i32 { 6 } - | ^ - -warning: method `a` is never used - --> $DIR/issue-85255.rs:26:8 - | -LL | fn a(&self) -> i32 { 5 } - | ^ - -warning: method `b` is never used - --> $DIR/issue-85255.rs:27:12 - | -LL | pub fn b(&self) -> i32 { 6 } - | ^ - -warning: method `a` is never used +warning: methods `a` and `b` are never used --> $DIR/issue-85255.rs:38:8 | +LL | impl Bar2 { + | --------- methods in this implementation LL | fn a(&self) -> i32 { 5 } | ^ - -warning: method `b` is never used - --> $DIR/issue-85255.rs:39:12 - | LL | pub fn b(&self) -> i32 { 6 } | ^ -warning: 9 warnings emitted +warning: 6 warnings emitted diff --git a/tests/ui/lint/dead-code/lint-dead-code-3.stderr b/tests/ui/lint/dead-code/lint-dead-code-3.stderr index 797b7559c01..5c68cf0e18b 100644 --- a/tests/ui/lint/dead-code/lint-dead-code-3.stderr +++ b/tests/ui/lint/dead-code/lint-dead-code-3.stderr @@ -10,6 +10,14 @@ note: the lint level is defined here LL | #![deny(dead_code)] | ^^^^^^^^^ +error: method `foo` is never used + --> $DIR/lint-dead-code-3.rs:16:8 + | +LL | impl Foo { + | -------- method in this implementation +LL | fn foo(&self) { + | ^^^ + error: function `bar` is never used --> $DIR/lint-dead-code-3.rs:21:4 | @@ -34,12 +42,6 @@ error: function `blah` is never used LL | fn blah() {} | ^^^^ -error: method `foo` is never used - --> $DIR/lint-dead-code-3.rs:16:8 - | -LL | fn foo(&self) { - | ^^^ - error: function `free` is never used --> $DIR/lint-dead-code-3.rs:62:8 | diff --git a/tests/ui/lint/dead-code/lint-dead-code-6.rs b/tests/ui/lint/dead-code/lint-dead-code-6.rs index e3074acf129..5b2b76b76ec 100644 --- a/tests/ui/lint/dead-code/lint-dead-code-6.rs +++ b/tests/ui/lint/dead-code/lint-dead-code-6.rs @@ -2,17 +2,16 @@ struct UnusedStruct; //~ ERROR struct `UnusedStruct` is never constructed impl UnusedStruct { - fn unused_impl_fn_1() { //~ ERROR associated function `unused_impl_fn_1` is never used + fn unused_impl_fn_1() { + //~^ ERROR associated functions `unused_impl_fn_1`, `unused_impl_fn_2`, and `unused_impl_fn_3` are never used [dead_code] println!("blah"); } - fn unused_impl_fn_2(var: i32) { //~ ERROR associated function `unused_impl_fn_2` is never used + fn unused_impl_fn_2(var: i32) { println!("foo {}", var); } - fn unused_impl_fn_3( //~ ERROR associated function `unused_impl_fn_3` is never used - var: i32, - ) { + fn unused_impl_fn_3(var: i32) { println!("bar {}", var); } } diff --git a/tests/ui/lint/dead-code/lint-dead-code-6.stderr b/tests/ui/lint/dead-code/lint-dead-code-6.stderr index f9d83308a3d..ce41100866a 100644 --- a/tests/ui/lint/dead-code/lint-dead-code-6.stderr +++ b/tests/ui/lint/dead-code/lint-dead-code-6.stderr @@ -10,23 +10,19 @@ note: the lint level is defined here LL | #![deny(dead_code)] | ^^^^^^^^^ -error: associated function `unused_impl_fn_1` is never used +error: associated functions `unused_impl_fn_1`, `unused_impl_fn_2`, and `unused_impl_fn_3` are never used --> $DIR/lint-dead-code-6.rs:5:8 | +LL | impl UnusedStruct { + | ----------------- associated functions in this implementation LL | fn unused_impl_fn_1() { | ^^^^^^^^^^^^^^^^ - -error: associated function `unused_impl_fn_2` is never used - --> $DIR/lint-dead-code-6.rs:9:8 - | +... LL | fn unused_impl_fn_2(var: i32) { | ^^^^^^^^^^^^^^^^ - -error: associated function `unused_impl_fn_3` is never used - --> $DIR/lint-dead-code-6.rs:13:8 - | -LL | fn unused_impl_fn_3( +... +LL | fn unused_impl_fn_3(var: i32) { | ^^^^^^^^^^^^^^^^ -error: aborting due to 4 previous errors +error: aborting due to 2 previous errors diff --git a/tests/ui/lint/dead-code/unused-assoc-fns.rs b/tests/ui/lint/dead-code/unused-assoc-fns.rs new file mode 100644 index 00000000000..b111f4b9463 --- /dev/null +++ b/tests/ui/lint/dead-code/unused-assoc-fns.rs @@ -0,0 +1,35 @@ +#![feature(inherent_associated_types)] +#![allow(incomplete_features)] +#![deny(unused)] + +struct Foo; + +impl Foo { + fn one() {} + //~^ ERROR associated items `one`, `two`, `CONSTANT`, `Type`, and `three` are never used [dead_code] + + fn two(&self) {} + + // seperation between items + // ... + // ... + + fn used() {} + + const CONSTANT: usize = 5; + + // more seperation + // ... + // ... + + type Type = usize; + + fn three(&self) { + Foo::one(); + // ... + } +} + +fn main() { + Foo::used(); +} diff --git a/tests/ui/lint/dead-code/unused-assoc-fns.stderr b/tests/ui/lint/dead-code/unused-assoc-fns.stderr new file mode 100644 index 00000000000..6344a70ea3a --- /dev/null +++ b/tests/ui/lint/dead-code/unused-assoc-fns.stderr @@ -0,0 +1,29 @@ +error: associated items `one`, `two`, `CONSTANT`, `Type`, and `three` are never used + --> $DIR/unused-assoc-fns.rs:8:8 + | +LL | impl Foo { + | -------- associated items in this implementation +LL | fn one() {} + | ^^^ +... +LL | fn two(&self) {} + | ^^^ +... +LL | const CONSTANT: usize = 5; + | ^^^^^^^^ +... +LL | type Type = usize; + | ^^^^ +LL | +LL | fn three(&self) { + | ^^^^^ + | +note: the lint level is defined here + --> $DIR/unused-assoc-fns.rs:3:9 + | +LL | #![deny(unused)] + | ^^^^^^ + = note: `#[deny(dead_code)]` implied by `#[deny(unused)]` + +error: aborting due to previous error + diff --git a/tests/ui/mir/checks_without_panic_impl.rs b/tests/ui/mir/checks_without_panic_impl.rs new file mode 100644 index 00000000000..04f410b77a3 --- /dev/null +++ b/tests/ui/mir/checks_without_panic_impl.rs @@ -0,0 +1,17 @@ +// Ensures that the alignment check we insert for raw pointer dereferences +// does not prevent crates without a panic_impl from compiling. +// See rust-lang/rust#109996 + +// build-pass +// compile-flags: -Cdebug-assertions=yes + +#![crate_type = "lib"] + +#![feature(lang_items)] +#![feature(no_core)] +#![no_core] + +#[lang = "sized"] +trait Foo {} + +pub unsafe fn foo(x: *const i32) -> &'static i32 { unsafe { &*x } } diff --git a/tests/ui/suggestions/expected-boxed-future-isnt-pinned.stderr b/tests/ui/suggestions/expected-boxed-future-isnt-pinned.stderr index b827beb504d..0232d4c8db6 100644 --- a/tests/ui/suggestions/expected-boxed-future-isnt-pinned.stderr +++ b/tests/ui/suggestions/expected-boxed-future-isnt-pinned.stderr @@ -50,7 +50,8 @@ LL | Pin::new(x) | | | required by a bound introduced by this call | - = note: consider using `Box::pin` + = note: consider using the `pin!` macro + consider using `Box::pin` if you need to access the pinned value outside of the current scope note: required by a bound in `Pin::<P>::new` --> $SRC_DIR/core/src/pin.rs:LL:COL @@ -62,7 +63,8 @@ LL | Pin::new(Box::new(x)) | | | required by a bound introduced by this call | - = note: consider using `Box::pin` + = note: consider using the `pin!` macro + consider using `Box::pin` if you need to access the pinned value outside of the current scope note: required by a bound in `Pin::<P>::new` --> $SRC_DIR/core/src/pin.rs:LL:COL diff --git a/tests/ui/suggestions/issue-84973-blacklist.stderr b/tests/ui/suggestions/issue-84973-blacklist.stderr index 1e243f81b10..4de9da89c9b 100644 --- a/tests/ui/suggestions/issue-84973-blacklist.stderr +++ b/tests/ui/suggestions/issue-84973-blacklist.stderr @@ -39,7 +39,8 @@ LL | f_unpin(static || { yield; }); | | | required by a bound introduced by this call | - = note: consider using `Box::pin` + = note: consider using the `pin!` macro + consider using `Box::pin` if you need to access the pinned value outside of the current scope note: required by a bound in `f_unpin` --> $DIR/issue-84973-blacklist.rs:8:15 | diff --git a/tests/ui/suggestions/suggest-pin-macro.rs b/tests/ui/suggestions/suggest-pin-macro.rs new file mode 100644 index 00000000000..f5b96215925 --- /dev/null +++ b/tests/ui/suggestions/suggest-pin-macro.rs @@ -0,0 +1,23 @@ +use std::pin::Pin; +use std::marker::PhantomPinned; + +#[derive(Debug)] +struct Test { + _marker: PhantomPinned, +} +impl Test { + fn new() -> Self { + Test { + _marker: PhantomPinned, // This makes our type `!Unpin` + } + } +} + +fn dummy(_: &mut Test) {} + +pub fn main() { + let mut test1 = Test::new(); + let mut test1 = unsafe { Pin::new_unchecked(&mut test1) }; + + dummy(test1.get_mut()); //~ ERROR E0277 +} diff --git a/tests/ui/suggestions/suggest-pin-macro.stderr b/tests/ui/suggestions/suggest-pin-macro.stderr new file mode 100644 index 00000000000..1220cf650cc --- /dev/null +++ b/tests/ui/suggestions/suggest-pin-macro.stderr @@ -0,0 +1,19 @@ +error[E0277]: `PhantomPinned` cannot be unpinned + --> $DIR/suggest-pin-macro.rs:22:17 + | +LL | dummy(test1.get_mut()); + | ^^^^^^^ within `Test`, the trait `Unpin` is not implemented for `PhantomPinned` + | + = note: consider using the `pin!` macro + consider using `Box::pin` if you need to access the pinned value outside of the current scope +note: required because it appears within the type `Test` + --> $DIR/suggest-pin-macro.rs:5:8 + | +LL | struct Test { + | ^^^^ +note: required by a bound in `Pin::<&'a mut T>::get_mut` + --> $SRC_DIR/core/src/pin.rs:LL:COL + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/typeck/issue-90164.stderr b/tests/ui/typeck/issue-90164.stderr index 1e2f1bae3bd..8586f522291 100644 --- a/tests/ui/typeck/issue-90164.stderr +++ b/tests/ui/typeck/issue-90164.stderr @@ -6,7 +6,8 @@ LL | copy(r, w); | | | required by a bound introduced by this call | - = note: consider using `Box::pin` + = note: consider using the `pin!` macro + consider using `Box::pin` if you need to access the pinned value outside of the current scope note: required by a bound in `copy` --> $DIR/issue-90164.rs:1:12 | diff --git a/tests/ui/wf/issue-110157.rs b/tests/ui/wf/issue-110157.rs new file mode 100644 index 00000000000..43a8ce72ff1 --- /dev/null +++ b/tests/ui/wf/issue-110157.rs @@ -0,0 +1,12 @@ +struct NeedsDropTypes<'tcx, F>(std::marker::PhantomData<&'tcx F>); + +impl<'tcx, F, I> Iterator for NeedsDropTypes<'tcx, F> +//~^ ERROR type annotations needed +where + F: Fn(&Missing) -> Result<I, ()>, + //~^ ERROR cannot find type `Missing` in this scope + I: Iterator<Item = Missing>, + //~^ ERROR cannot find type `Missing` in this scope +{} + +fn main() {} diff --git a/tests/ui/wf/issue-110157.stderr b/tests/ui/wf/issue-110157.stderr new file mode 100644 index 00000000000..91d801e9470 --- /dev/null +++ b/tests/ui/wf/issue-110157.stderr @@ -0,0 +1,32 @@ +error[E0412]: cannot find type `Missing` in this scope + --> $DIR/issue-110157.rs:6:12 + | +LL | F: Fn(&Missing) -> Result<I, ()>, + | ^^^^^^^ not found in this scope + +error[E0412]: cannot find type `Missing` in this scope + --> $DIR/issue-110157.rs:8:24 + | +LL | I: Iterator<Item = Missing>, + | ^^^^^^^ not found in this scope + +error[E0283]: type annotations needed + --> $DIR/issue-110157.rs:3:31 + | +LL | impl<'tcx, F, I> Iterator for NeedsDropTypes<'tcx, F> + | ^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type for type parameter `I` + | + = note: cannot satisfy `_: Iterator` +note: required for `NeedsDropTypes<'tcx, F>` to implement `Iterator` + --> $DIR/issue-110157.rs:3:18 + | +LL | impl<'tcx, F, I> Iterator for NeedsDropTypes<'tcx, F> + | ^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ +... +LL | I: Iterator<Item = Missing>, + | ------------------------ unsatisfied trait bound introduced here + +error: aborting due to 3 previous errors + +Some errors have detailed explanations: E0283, E0412. +For more information about an error, try `rustc --explain E0283`. |