diff options
47 files changed, 254 insertions, 703 deletions
diff --git a/compiler/rustc_borrowck/src/consumers.rs b/compiler/rustc_borrowck/src/consumers.rs index c994c4dc1e4..7ace38c3e85 100644 --- a/compiler/rustc_borrowck/src/consumers.rs +++ b/compiler/rustc_borrowck/src/consumers.rs @@ -1,7 +1,5 @@ //! This file provides API for compiler consumers. -use std::rc::Rc; - use rustc_hir::def_id::LocalDefId; use rustc_index::{IndexSlice, IndexVec}; use rustc_middle::mir::{Body, Promoted}; @@ -65,10 +63,10 @@ pub struct BodyWithBorrowckFacts<'tcx> { /// The mir bodies of promoteds. pub promoted: IndexVec<Promoted, Body<'tcx>>, /// The set of borrows occurring in `body` with data about them. - pub borrow_set: Rc<BorrowSet<'tcx>>, + pub borrow_set: BorrowSet<'tcx>, /// Context generated during borrowck, intended to be passed to /// [`calculate_borrows_out_of_scope_at_location`]. - pub region_inference_context: Rc<RegionInferenceContext<'tcx>>, + pub region_inference_context: RegionInferenceContext<'tcx>, /// The table that maps Polonius points to locations in the table. /// Populated when using [`ConsumerOptions::PoloniusInputFacts`] /// or [`ConsumerOptions::PoloniusOutputFacts`]. @@ -79,7 +77,7 @@ pub struct BodyWithBorrowckFacts<'tcx> { pub input_facts: Option<Box<PoloniusInput>>, /// Polonius output facts. Populated when using /// [`ConsumerOptions::PoloniusOutputFacts`]. - pub output_facts: Option<Rc<PoloniusOutput>>, + pub output_facts: Option<Box<PoloniusOutput>>, } /// This function computes borrowck facts for the given body. The [`ConsumerOptions`] diff --git a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs index 60ea0d1edbf..c687be69b1a 100644 --- a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs @@ -708,9 +708,9 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> { // for the branching codepaths that aren't covered, to point at them. let map = self.infcx.tcx.hir(); let body = map.body_owned_by(self.mir_def_id()); - let mut visitor = - ConditionVisitor { tcx: self.infcx.tcx, spans: &spans, name: &name, errors: vec![] }; + let mut visitor = ConditionVisitor { tcx: self.infcx.tcx, spans, name, errors: vec![] }; visitor.visit_body(&body); + let spans = visitor.spans; let mut show_assign_sugg = false; let isnt_initialized = if let InitializationRequiringAction::PartialAssignment @@ -4465,20 +4465,20 @@ impl<'hir> Visitor<'hir> for BreakFinder { /// Given a set of spans representing statements initializing the relevant binding, visit all the /// function expressions looking for branching code paths that *do not* initialize the binding. -struct ConditionVisitor<'b, 'tcx> { +struct ConditionVisitor<'tcx> { tcx: TyCtxt<'tcx>, - spans: &'b [Span], - name: &'b str, + spans: Vec<Span>, + name: String, errors: Vec<(Span, String)>, } -impl<'b, 'v, 'tcx> Visitor<'v> for ConditionVisitor<'b, 'tcx> { +impl<'v, 'tcx> Visitor<'v> for ConditionVisitor<'tcx> { fn visit_expr(&mut self, ex: &'v hir::Expr<'v>) { match ex.kind { hir::ExprKind::If(cond, body, None) => { // `if` expressions with no `else` that initialize the binding might be missing an // `else` arm. - if ReferencedStatementsVisitor(self.spans).visit_expr(body).is_break() { + if ReferencedStatementsVisitor(&self.spans).visit_expr(body).is_break() { self.errors.push(( cond.span, format!( @@ -4495,8 +4495,8 @@ impl<'b, 'v, 'tcx> Visitor<'v> for ConditionVisitor<'b, 'tcx> { hir::ExprKind::If(cond, body, Some(other)) => { // `if` expressions where the binding is only initialized in one of the two arms // might be missing a binding initialization. - let a = ReferencedStatementsVisitor(self.spans).visit_expr(body).is_break(); - let b = ReferencedStatementsVisitor(self.spans).visit_expr(other).is_break(); + let a = ReferencedStatementsVisitor(&self.spans).visit_expr(body).is_break(); + let b = ReferencedStatementsVisitor(&self.spans).visit_expr(other).is_break(); match (a, b) { (true, true) | (false, false) => {} (true, false) => { @@ -4536,7 +4536,7 @@ impl<'b, 'v, 'tcx> Visitor<'v> for ConditionVisitor<'b, 'tcx> { // arms might be missing an initialization. let results: Vec<bool> = arms .iter() - .map(|arm| ReferencedStatementsVisitor(self.spans).visit_arm(arm).is_break()) + .map(|arm| ReferencedStatementsVisitor(&self.spans).visit_arm(arm).is_break()) .collect(); if results.iter().any(|x| *x) && !results.iter().all(|x| *x) { for (arm, seen) in arms.iter().zip(results) { diff --git a/compiler/rustc_borrowck/src/diagnostics/find_use.rs b/compiler/rustc_borrowck/src/diagnostics/find_use.rs index d8fa5506a99..26a090f5579 100644 --- a/compiler/rustc_borrowck/src/diagnostics/find_use.rs +++ b/compiler/rustc_borrowck/src/diagnostics/find_use.rs @@ -1,5 +1,4 @@ use std::collections::VecDeque; -use std::rc::Rc; use rustc_data_structures::fx::FxIndexSet; use rustc_middle::mir::visit::{MirVisitable, PlaceContext, Visitor}; @@ -11,7 +10,7 @@ use crate::region_infer::{Cause, RegionInferenceContext}; pub(crate) fn find<'tcx>( body: &Body<'tcx>, - regioncx: &Rc<RegionInferenceContext<'tcx>>, + regioncx: &RegionInferenceContext<'tcx>, tcx: TyCtxt<'tcx>, region_vid: RegionVid, start_point: Location, @@ -23,7 +22,7 @@ pub(crate) fn find<'tcx>( struct UseFinder<'a, 'tcx> { body: &'a Body<'tcx>, - regioncx: &'a Rc<RegionInferenceContext<'tcx>>, + regioncx: &'a RegionInferenceContext<'tcx>, tcx: TyCtxt<'tcx>, region_vid: RegionVid, start_point: Location, diff --git a/compiler/rustc_borrowck/src/lib.rs b/compiler/rustc_borrowck/src/lib.rs index fad4d790be4..cbf8aa313c5 100644 --- a/compiler/rustc_borrowck/src/lib.rs +++ b/compiler/rustc_borrowck/src/lib.rs @@ -19,7 +19,6 @@ use std::cell::RefCell; use std::collections::BTreeMap; use std::marker::PhantomData; use std::ops::Deref; -use std::rc::Rc; use consumers::{BodyWithBorrowckFacts, ConsumerOptions}; use rustc_data_structures::fx::{FxIndexMap, FxIndexSet}; @@ -200,8 +199,7 @@ fn do_mir_borrowck<'tcx>( .into_results_cursor(body); let locals_are_invalidated_at_exit = tcx.hir().body_owner_kind(def).is_fn_or_closure(); - let borrow_set = - Rc::new(BorrowSet::build(tcx, body, locals_are_invalidated_at_exit, &move_data)); + let borrow_set = BorrowSet::build(tcx, body, locals_are_invalidated_at_exit, &move_data); // Compute non-lexical lifetimes. let nll::NllOutput { @@ -245,8 +243,6 @@ fn do_mir_borrowck<'tcx>( // usage significantly on some benchmarks. drop(flow_inits); - let regioncx = Rc::new(regioncx); - let flow_borrows = Borrows::new(tcx, body, ®ioncx, &borrow_set) .into_engine(tcx, body) .pass_name("borrowck") @@ -288,10 +284,10 @@ fn do_mir_borrowck<'tcx>( access_place_error_reported: Default::default(), reservation_error_reported: Default::default(), uninitialized_error_reported: Default::default(), - regioncx: regioncx.clone(), + regioncx: ®ioncx, used_mut: Default::default(), used_mut_upvars: SmallVec::new(), - borrow_set: Rc::clone(&borrow_set), + borrow_set: &borrow_set, upvars: &[], local_names: IndexVec::from_elem(None, &promoted_body.local_decls), region_names: RefCell::default(), @@ -329,10 +325,10 @@ fn do_mir_borrowck<'tcx>( access_place_error_reported: Default::default(), reservation_error_reported: Default::default(), uninitialized_error_reported: Default::default(), - regioncx: Rc::clone(®ioncx), + regioncx: ®ioncx, used_mut: Default::default(), used_mut_upvars: SmallVec::new(), - borrow_set: Rc::clone(&borrow_set), + borrow_set: &borrow_set, upvars: tcx.closure_captures(def), local_names, region_names: RefCell::default(), @@ -569,10 +565,10 @@ struct MirBorrowckCtxt<'a, 'infcx, 'tcx> { used_mut_upvars: SmallVec<[FieldIdx; 8]>, /// Region inference context. This contains the results from region inference and lets us e.g. /// find out which CFG points are contained in each borrow region. - regioncx: Rc<RegionInferenceContext<'tcx>>, + regioncx: &'a RegionInferenceContext<'tcx>, /// The set of borrows extracted from the MIR - borrow_set: Rc<BorrowSet<'tcx>>, + borrow_set: &'a BorrowSet<'tcx>, /// Information about upvars not necessarily preserved in types or MIR upvars: &'tcx [&'tcx ty::CapturedPlace<'tcx>], @@ -588,7 +584,7 @@ struct MirBorrowckCtxt<'a, 'infcx, 'tcx> { next_region_name: RefCell<usize>, /// Results of Polonius analysis. - polonius_output: Option<Rc<PoloniusOutput>>, + polonius_output: Option<Box<PoloniusOutput>>, diags: diags::BorrowckDiags<'infcx, 'tcx>, move_errors: Vec<MoveError<'tcx>>, @@ -800,9 +796,8 @@ impl<'a, 'tcx, R> rustc_mir_dataflow::ResultsVisitor<'a, 'tcx, R> TerminatorKind::Yield { value: _, resume: _, resume_arg: _, drop: _ } => { if self.movable_coroutine { // Look for any active borrows to locals - let borrow_set = self.borrow_set.clone(); for i in state.borrows.iter() { - let borrow = &borrow_set[i]; + let borrow = &self.borrow_set[i]; self.check_for_local_borrow(borrow, span); } } @@ -816,9 +811,8 @@ impl<'a, 'tcx, R> rustc_mir_dataflow::ResultsVisitor<'a, 'tcx, R> // Often, the storage will already have been killed by an explicit // StorageDead, but we don't always emit those (notably on unwind paths), // so this "extra check" serves as a kind of backup. - let borrow_set = self.borrow_set.clone(); for i in state.borrows.iter() { - let borrow = &borrow_set[i]; + let borrow = &self.borrow_set[i]; self.check_for_invalidation_at_exit(loc, borrow, span); } } @@ -1037,13 +1031,12 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, '_, 'tcx> { state: &BorrowckDomain<'a, 'tcx>, ) -> bool { let mut error_reported = false; - let borrow_set = Rc::clone(&self.borrow_set); // Use polonius output if it has been enabled. let mut polonius_output; let borrows_in_scope = if let Some(polonius) = &self.polonius_output { let location = self.location_table.start_index(location); - polonius_output = BitSet::new_empty(borrow_set.len()); + polonius_output = BitSet::new_empty(self.borrow_set.len()); for &idx in polonius.errors_at(location) { polonius_output.insert(idx); } @@ -1057,7 +1050,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, '_, 'tcx> { self.infcx.tcx, self.body, (sd, place_span.0), - &borrow_set, + self.borrow_set, |borrow_index| borrows_in_scope.contains(borrow_index), |this, borrow_index, borrow| match (rw, borrow.kind) { // Obviously an activation is compatible with its own @@ -1580,9 +1573,8 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, '_, 'tcx> { // Two-phase borrow support: For each activation that is newly // generated at this statement, check if it interferes with // another borrow. - let borrow_set = self.borrow_set.clone(); - for &borrow_index in borrow_set.activations_at_location(location) { - let borrow = &borrow_set[borrow_index]; + for &borrow_index in self.borrow_set.activations_at_location(location) { + let borrow = &self.borrow_set[borrow_index]; // only mutable borrows should be 2-phase assert!(match borrow.kind { diff --git a/compiler/rustc_borrowck/src/nll.rs b/compiler/rustc_borrowck/src/nll.rs index d85af52b01e..f3207c26bfc 100644 --- a/compiler/rustc_borrowck/src/nll.rs +++ b/compiler/rustc_borrowck/src/nll.rs @@ -42,7 +42,7 @@ pub(crate) struct NllOutput<'tcx> { pub regioncx: RegionInferenceContext<'tcx>, pub opaque_type_values: FxIndexMap<LocalDefId, OpaqueHiddenType<'tcx>>, pub polonius_input: Option<Box<AllFacts>>, - pub polonius_output: Option<Rc<PoloniusOutput>>, + pub polonius_output: Option<Box<PoloniusOutput>>, pub opt_closure_req: Option<ClosureRegionRequirements<'tcx>>, pub nll_errors: RegionErrors<'tcx>, } @@ -98,7 +98,7 @@ pub(crate) fn compute_regions<'a, 'tcx>( let universal_regions = Rc::new(universal_regions); - let elements = &Rc::new(DenseLocationMap::new(body)); + let elements = Rc::new(DenseLocationMap::new(body)); // Run the MIR type-checker. let MirTypeckResults { constraints, universal_region_relations, opaque_type_values } = @@ -107,13 +107,13 @@ pub(crate) fn compute_regions<'a, 'tcx>( param_env, body, promoted, - &universal_regions, + universal_regions.clone(), location_table, borrow_set, &mut all_facts, flow_inits, move_data, - elements, + elements.clone(), upvars, ); @@ -165,7 +165,7 @@ pub(crate) fn compute_regions<'a, 'tcx>( universe_causes, type_tests, liveness_constraints, - elements, + elements.clone(), ); // If requested: dump NLL facts, and run legacy polonius analysis. @@ -184,7 +184,7 @@ pub(crate) fn compute_regions<'a, 'tcx>( let algorithm = Algorithm::from_str(&algorithm).unwrap(); debug!("compute_regions: using polonius algorithm {:?}", algorithm); let _prof_timer = infcx.tcx.prof.generic_activity("polonius_analysis"); - Some(Rc::new(Output::compute(all_facts, algorithm, false))) + Some(Box::new(Output::compute(all_facts, algorithm, false))) } else { None } diff --git a/compiler/rustc_borrowck/src/region_infer/mod.rs b/compiler/rustc_borrowck/src/region_infer/mod.rs index c62ea870acf..e85f529bf0e 100644 --- a/compiler/rustc_borrowck/src/region_infer/mod.rs +++ b/compiler/rustc_borrowck/src/region_infer/mod.rs @@ -407,7 +407,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { universe_causes: FxIndexMap<ty::UniverseIndex, UniverseInfo<'tcx>>, type_tests: Vec<TypeTest<'tcx>>, liveness_constraints: LivenessValues, - elements: &Rc<DenseLocationMap>, + elements: Rc<DenseLocationMap>, ) -> Self { debug!("universal_regions: {:#?}", universal_regions); debug!("outlives constraints: {:#?}", outlives_constraints); @@ -430,7 +430,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { } let mut scc_values = - RegionValues::new(elements, universal_regions.len(), &placeholder_indices); + RegionValues::new(elements, universal_regions.len(), placeholder_indices); for region in liveness_constraints.regions() { let scc = constraint_sccs.scc(region); @@ -637,7 +637,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { &mut self, infcx: &InferCtxt<'tcx>, body: &Body<'tcx>, - polonius_output: Option<Rc<PoloniusOutput>>, + polonius_output: Option<Box<PoloniusOutput>>, ) -> (Option<ClosureRegionRequirements<'tcx>>, RegionErrors<'tcx>) { let mir_def_id = body.source.def_id(); self.propagate_constraints(); @@ -663,7 +663,9 @@ impl<'tcx> RegionInferenceContext<'tcx> { self.check_polonius_subset_errors( outlives_requirements.as_mut(), &mut errors_buffer, - polonius_output.expect("Polonius output is unavailable despite `-Z polonius`"), + polonius_output + .as_ref() + .expect("Polonius output is unavailable despite `-Z polonius`"), ); } else { self.check_universal_regions(outlives_requirements.as_mut(), &mut errors_buffer); @@ -1411,7 +1413,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { &self, mut propagated_outlives_requirements: Option<&mut Vec<ClosureOutlivesRequirement<'tcx>>>, errors_buffer: &mut RegionErrors<'tcx>, - polonius_output: Rc<PoloniusOutput>, + polonius_output: &PoloniusOutput, ) { debug!( "check_polonius_subset_errors: {} subset_errors", diff --git a/compiler/rustc_borrowck/src/region_infer/values.rs b/compiler/rustc_borrowck/src/region_infer/values.rs index b95fe5b5028..662e6fa46b5 100644 --- a/compiler/rustc_borrowck/src/region_infer/values.rs +++ b/compiler/rustc_borrowck/src/region_infer/values.rs @@ -275,15 +275,16 @@ impl<N: Idx> RegionValues<N> { /// Each of the regions in num_region_variables will be initialized with an /// empty set of points and no causal information. pub(crate) fn new( - elements: &Rc<DenseLocationMap>, + elements: Rc<DenseLocationMap>, num_universal_regions: usize, - placeholder_indices: &Rc<PlaceholderIndices>, + placeholder_indices: Rc<PlaceholderIndices>, ) -> Self { + let num_points = elements.num_points(); let num_placeholders = placeholder_indices.len(); Self { - elements: elements.clone(), - points: SparseIntervalMatrix::new(elements.num_points()), - placeholder_indices: placeholder_indices.clone(), + elements, + points: SparseIntervalMatrix::new(num_points), + placeholder_indices, free_regions: SparseBitMatrix::new(num_universal_regions), placeholders: SparseBitMatrix::new(num_placeholders), } diff --git a/compiler/rustc_borrowck/src/type_check/free_region_relations.rs b/compiler/rustc_borrowck/src/type_check/free_region_relations.rs index 6977fed59ed..cded9935f97 100644 --- a/compiler/rustc_borrowck/src/type_check/free_region_relations.rs +++ b/compiler/rustc_borrowck/src/type_check/free_region_relations.rs @@ -54,7 +54,7 @@ pub(crate) fn create<'tcx>( infcx: &InferCtxt<'tcx>, param_env: ty::ParamEnv<'tcx>, implicit_region_bound: ty::Region<'tcx>, - universal_regions: &Rc<UniversalRegions<'tcx>>, + universal_regions: Rc<UniversalRegions<'tcx>>, constraints: &mut MirTypeckRegionConstraints<'tcx>, ) -> CreateResult<'tcx> { UniversalRegionRelationsBuilder { @@ -62,7 +62,7 @@ pub(crate) fn create<'tcx>( param_env, implicit_region_bound, constraints, - universal_regions: universal_regions.clone(), + universal_regions, region_bound_pairs: Default::default(), outlives: Default::default(), inverse_outlives: Default::default(), diff --git a/compiler/rustc_borrowck/src/type_check/liveness/mod.rs b/compiler/rustc_borrowck/src/type_check/liveness/mod.rs index d4900d21f8f..b8e35f882ec 100644 --- a/compiler/rustc_borrowck/src/type_check/liveness/mod.rs +++ b/compiler/rustc_borrowck/src/type_check/liveness/mod.rs @@ -1,5 +1,3 @@ -use std::rc::Rc; - use itertools::{Either, Itertools}; use rustc_data_structures::fx::FxHashSet; use rustc_middle::mir::visit::{TyContext, Visitor}; @@ -33,7 +31,7 @@ mod trace; pub(super) fn generate<'a, 'tcx>( typeck: &mut TypeChecker<'_, 'tcx>, body: &Body<'tcx>, - elements: &Rc<DenseLocationMap>, + elements: &DenseLocationMap, flow_inits: &mut ResultsCursor<'a, 'tcx, MaybeInitializedPlaces<'a, 'tcx>>, move_data: &MoveData<'tcx>, ) { diff --git a/compiler/rustc_borrowck/src/type_check/liveness/trace.rs b/compiler/rustc_borrowck/src/type_check/liveness/trace.rs index 8cbe3ac6701..a5175e653d8 100644 --- a/compiler/rustc_borrowck/src/type_check/liveness/trace.rs +++ b/compiler/rustc_borrowck/src/type_check/liveness/trace.rs @@ -1,5 +1,3 @@ -use std::rc::Rc; - use rustc_data_structures::fx::{FxIndexMap, FxIndexSet}; use rustc_index::bit_set::BitSet; use rustc_index::interval::IntervalSet; @@ -40,7 +38,7 @@ use crate::type_check::{NormalizeLocation, TypeChecker}; pub(super) fn trace<'a, 'tcx>( typeck: &mut TypeChecker<'_, 'tcx>, body: &Body<'tcx>, - elements: &Rc<DenseLocationMap>, + elements: &DenseLocationMap, flow_inits: &mut ResultsCursor<'a, 'tcx, MaybeInitializedPlaces<'a, 'tcx>>, move_data: &MoveData<'tcx>, relevant_live_locals: Vec<Local>, diff --git a/compiler/rustc_borrowck/src/type_check/mod.rs b/compiler/rustc_borrowck/src/type_check/mod.rs index 6b17879de26..82aeca66693 100644 --- a/compiler/rustc_borrowck/src/type_check/mod.rs +++ b/compiler/rustc_borrowck/src/type_check/mod.rs @@ -121,13 +121,13 @@ pub(crate) fn type_check<'a, 'tcx>( param_env: ty::ParamEnv<'tcx>, body: &Body<'tcx>, promoted: &IndexSlice<Promoted, Body<'tcx>>, - universal_regions: &Rc<UniversalRegions<'tcx>>, + universal_regions: Rc<UniversalRegions<'tcx>>, location_table: &LocationTable, borrow_set: &BorrowSet<'tcx>, all_facts: &mut Option<AllFacts>, flow_inits: &mut ResultsCursor<'a, 'tcx, MaybeInitializedPlaces<'a, 'tcx>>, move_data: &MoveData<'tcx>, - elements: &Rc<DenseLocationMap>, + elements: Rc<DenseLocationMap>, upvars: &[&ty::CapturedPlace<'tcx>], ) -> MirTypeckResults<'tcx> { let implicit_region_bound = ty::Region::new_var(infcx.tcx, universal_regions.fr_fn_body); @@ -150,14 +150,14 @@ pub(crate) fn type_check<'a, 'tcx>( infcx, param_env, implicit_region_bound, - universal_regions, + universal_regions.clone(), &mut constraints, ); debug!(?normalized_inputs_and_output); let mut borrowck_context = BorrowCheckContext { - universal_regions, + universal_regions: &universal_regions, location_table, borrow_set, all_facts, @@ -181,10 +181,10 @@ pub(crate) fn type_check<'a, 'tcx>( verifier.visit_body(body); checker.typeck_mir(body); - checker.equate_inputs_and_outputs(body, universal_regions, &normalized_inputs_and_output); + checker.equate_inputs_and_outputs(body, &universal_regions, &normalized_inputs_and_output); checker.check_signature_annotation(body); - liveness::generate(&mut checker, body, elements, flow_inits, move_data); + liveness::generate(&mut checker, body, &elements, flow_inits, move_data); translate_outlives_facts(&mut checker); let opaque_type_values = infcx.take_opaque_types(); diff --git a/compiler/rustc_builtin_macros/messages.ftl b/compiler/rustc_builtin_macros/messages.ftl index b25892242b5..77cb8dc63c4 100644 --- a/compiler/rustc_builtin_macros/messages.ftl +++ b/compiler/rustc_builtin_macros/messages.ftl @@ -235,6 +235,8 @@ builtin_macros_non_exhaustive_default = default variant must be exhaustive .label = declared `#[non_exhaustive]` here .help = consider a manual implementation of `Default` +builtin_macros_non_generic_pointee = the `#[pointee]` attribute may only be used on generic parameters + builtin_macros_non_unit_default = the `#[default]` attribute may only be used on unit enum variants .help = consider a manual implementation of `Default` diff --git a/compiler/rustc_builtin_macros/src/deriving/smart_ptr.rs b/compiler/rustc_builtin_macros/src/deriving/smart_ptr.rs index 78028df2aa0..fab1906eecd 100644 --- a/compiler/rustc_builtin_macros/src/deriving/smart_ptr.rs +++ b/compiler/rustc_builtin_macros/src/deriving/smart_ptr.rs @@ -13,6 +13,8 @@ use rustc_span::symbol::{Ident, sym}; use rustc_span::{Span, Symbol}; use thin_vec::{ThinVec, thin_vec}; +use crate::errors; + macro_rules! path { ($span:expr, $($part:ident)::*) => { vec![$(Ident::new(sym::$part, $span),)*] } } @@ -25,6 +27,8 @@ pub(crate) fn expand_deriving_smart_ptr( push: &mut dyn FnMut(Annotatable), _is_const: bool, ) { + item.visit_with(&mut DetectNonGenericPointeeAttr { cx }); + let (name_ident, generics) = if let Annotatable::Item(aitem) = item && let ItemKind::Struct(struct_data, g) = &aitem.kind { @@ -396,3 +400,63 @@ impl<'a> ast::mut_visit::MutVisitor for TypeSubstitution<'a> { } } } + +struct DetectNonGenericPointeeAttr<'a, 'b> { + cx: &'a ExtCtxt<'b>, +} + +impl<'a, 'b> rustc_ast::visit::Visitor<'a> for DetectNonGenericPointeeAttr<'a, 'b> { + fn visit_attribute(&mut self, attr: &'a rustc_ast::Attribute) -> Self::Result { + if attr.has_name(sym::pointee) { + self.cx.dcx().emit_err(errors::NonGenericPointee { span: attr.span }); + } + } + + fn visit_generic_param(&mut self, param: &'a rustc_ast::GenericParam) -> Self::Result { + let mut error_on_pointee = AlwaysErrorOnGenericParam { cx: self.cx }; + + match ¶m.kind { + GenericParamKind::Type { default } => { + // The `default` may end up containing a block expression. + // The problem is block expressions may define structs with generics. + // A user may attach a #[pointee] attribute to one of these generics + // We want to catch that. The simple solution is to just + // always raise a `NonGenericPointee` error when this happens. + // + // This solution does reject valid rust programs but, + // such a code would have to, in order: + // - Define a smart pointer struct. + // - Somewhere in this struct definition use a type with a const generic argument. + // - Calculate this const generic in a expression block. + // - Define a new smart pointer type in this block. + // - Have this smart pointer type have more than 1 generic type. + // In this case, the inner smart pointer derive would be complaining that it + // needs a pointer attribute. Meanwhile, the outer macro would be complaining + // that we attached a #[pointee] to a generic type argument while helpfully + // informing the user that #[pointee] can only be attached to generic pointer arguments + rustc_ast::visit::visit_opt!(error_on_pointee, visit_ty, default); + } + + GenericParamKind::Const { .. } | GenericParamKind::Lifetime => { + rustc_ast::visit::walk_generic_param(&mut error_on_pointee, param); + } + } + } + + fn visit_ty(&mut self, t: &'a rustc_ast::Ty) -> Self::Result { + let mut error_on_pointee = AlwaysErrorOnGenericParam { cx: self.cx }; + error_on_pointee.visit_ty(t) + } +} + +struct AlwaysErrorOnGenericParam<'a, 'b> { + cx: &'a ExtCtxt<'b>, +} + +impl<'a, 'b> rustc_ast::visit::Visitor<'a> for AlwaysErrorOnGenericParam<'a, 'b> { + fn visit_attribute(&mut self, attr: &'a rustc_ast::Attribute) -> Self::Result { + if attr.has_name(sym::pointee) { + self.cx.dcx().emit_err(errors::NonGenericPointee { span: attr.span }); + } + } +} diff --git a/compiler/rustc_builtin_macros/src/errors.rs b/compiler/rustc_builtin_macros/src/errors.rs index f13ca224a45..639c2aa231c 100644 --- a/compiler/rustc_builtin_macros/src/errors.rs +++ b/compiler/rustc_builtin_macros/src/errors.rs @@ -940,3 +940,10 @@ pub(crate) struct NakedFunctionTestingAttribute { #[label] pub testing_span: Span, } + +#[derive(Diagnostic)] +#[diag(builtin_macros_non_generic_pointee)] +pub(crate) struct NonGenericPointee { + #[primary_span] + pub span: Span, +} diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs index 76b7270d4b8..a59dea557bb 100644 --- a/compiler/rustc_driver_impl/src/lib.rs +++ b/compiler/rustc_driver_impl/src/lib.rs @@ -29,13 +29,12 @@ use std::path::PathBuf; use std::process::{self, Command, Stdio}; use std::sync::atomic::{AtomicBool, Ordering}; use std::sync::{Arc, OnceLock}; -use std::time::{Duration, Instant, SystemTime}; +use std::time::{Instant, SystemTime}; use std::{env, str}; use rustc_ast as ast; use rustc_codegen_ssa::traits::CodegenBackend; use rustc_codegen_ssa::{CodegenErrors, CodegenResults}; -use rustc_const_eval::CTRL_C_RECEIVED; use rustc_data_structures::profiling::{ TimePassesFormat, get_resident_set_size, print_time_passes_entry, }; @@ -1577,8 +1576,8 @@ pub fn install_ctrlc_handler() { // time to check CTRL_C_RECEIVED and run its own shutdown logic, but after a short amount // of time exit the process. This sleep+exit ensures that even if nobody is checking // CTRL_C_RECEIVED, the compiler exits reasonably promptly. - CTRL_C_RECEIVED.store(true, Ordering::Relaxed); - std::thread::sleep(Duration::from_millis(100)); + rustc_const_eval::CTRL_C_RECEIVED.store(true, Ordering::Relaxed); + std::thread::sleep(std::time::Duration::from_millis(100)); std::process::exit(1); }) .expect("Unable to install ctrlc handler"); diff --git a/compiler/rustc_fs_util/src/lib.rs b/compiler/rustc_fs_util/src/lib.rs index 80813af3864..4e9d21c900d 100644 --- a/compiler/rustc_fs_util/src/lib.rs +++ b/compiler/rustc_fs_util/src/lib.rs @@ -76,10 +76,14 @@ pub fn link_or_copy<P: AsRef<Path>, Q: AsRef<Path>>(p: P, q: Q) -> io::Result<Li } } -#[cfg(unix)] +#[cfg(any(unix, all(target_os = "wasi", target_env = "p1")))] pub fn path_to_c_string(p: &Path) -> CString { use std::ffi::OsStr; + #[cfg(unix)] use std::os::unix::ffi::OsStrExt; + #[cfg(all(target_os = "wasi", target_env = "p1"))] + use std::os::wasi::ffi::OsStrExt; + let p: &OsStr = p.as_ref(); CString::new(p.as_bytes()).unwrap() } diff --git a/compiler/rustc_serialize/src/opaque.rs b/compiler/rustc_serialize/src/opaque.rs index c7c561156e3..27e9f817894 100644 --- a/compiler/rustc_serialize/src/opaque.rs +++ b/compiler/rustc_serialize/src/opaque.rs @@ -437,10 +437,10 @@ impl IntEncodedWithFixedSize { impl Encodable<FileEncoder> for IntEncodedWithFixedSize { #[inline] fn encode(&self, e: &mut FileEncoder) { - let _start_pos = e.position(); + let start_pos = e.position(); e.write_array(self.0.to_le_bytes()); - let _end_pos = e.position(); - debug_assert_eq!((_end_pos - _start_pos), IntEncodedWithFixedSize::ENCODED_SIZE); + let end_pos = e.position(); + debug_assert_eq!((end_pos - start_pos), IntEncodedWithFixedSize::ENCODED_SIZE); } } diff --git a/src/bootstrap/src/core/build_steps/test.rs b/src/bootstrap/src/core/build_steps/test.rs index 7283b0e9574..7a49b68b91e 100644 --- a/src/bootstrap/src/core/build_steps/test.rs +++ b/src/bootstrap/src/core/build_steps/test.rs @@ -1394,12 +1394,6 @@ default_test!(Ui { path: "tests/ui", mode: "ui", suite: "ui" }); default_test!(Crashes { path: "tests/crashes", mode: "crashes", suite: "crashes" }); -default_test!(RunPassValgrind { - path: "tests/run-pass-valgrind", - mode: "run-pass-valgrind", - suite: "run-pass-valgrind" -}); - default_test!(Codegen { path: "tests/codegen", mode: "codegen", suite: "codegen" }); default_test!(CodegenUnits { diff --git a/src/bootstrap/src/core/build_steps/tool.rs b/src/bootstrap/src/core/build_steps/tool.rs index 64dfe054d9c..e2fcd13efe3 100644 --- a/src/bootstrap/src/core/build_steps/tool.rs +++ b/src/bootstrap/src/core/build_steps/tool.rs @@ -872,8 +872,11 @@ impl Step for LlvmBitcodeLinker { fn run(self, builder: &Builder<'_>) -> PathBuf { let bin_name = "llvm-bitcode-linker"; - builder.ensure(compile::Std::new(self.compiler, self.compiler.host)); - builder.ensure(compile::Rustc::new(self.compiler, self.target)); + // If enabled, use ci-rustc and skip building the in-tree compiler. + if !builder.download_rustc() { + builder.ensure(compile::Std::new(self.compiler, self.compiler.host)); + builder.ensure(compile::Rustc::new(self.compiler, self.target)); + } let cargo = prepare_tool_cargo( builder, diff --git a/src/bootstrap/src/core/builder.rs b/src/bootstrap/src/core/builder.rs index e7a19d0bcc0..155c6515db8 100644 --- a/src/bootstrap/src/core/builder.rs +++ b/src/bootstrap/src/core/builder.rs @@ -327,7 +327,6 @@ const PATH_REMAP: &[(&str, &[&str])] = &[ "tests/mir-opt", "tests/pretty", "tests/run-make", - "tests/run-pass-valgrind", "tests/rustdoc", "tests/rustdoc-gui", "tests/rustdoc-js", @@ -852,7 +851,6 @@ impl<'a> Builder<'a> { test::Tidy, test::Ui, test::Crashes, - test::RunPassValgrind, test::Coverage, test::CoverageMap, test::CoverageRun, @@ -1687,10 +1685,24 @@ impl<'a> Builder<'a> { match mode { Mode::Std | Mode::ToolBootstrap | Mode::ToolStd => {} Mode::Rustc | Mode::Codegen | Mode::ToolRustc => { - // Build proc macros both for the host and the target + // Build proc macros both for the host and the target unless proc-macros are not + // supported by the target. if target != compiler.host && cmd_kind != Kind::Check { - cargo.arg("-Zdual-proc-macros"); - rustflags.arg("-Zdual-proc-macros"); + let error = command(self.rustc(compiler)) + .arg("--target") + .arg(target.rustc_target_arg()) + .arg("--print=file-names") + .arg("--crate-type=proc-macro") + .arg("-") + .run_capture(self) + .stderr(); + let not_supported = error + .lines() + .any(|line| line.contains("unsupported crate type `proc-macro`")); + if !not_supported { + cargo.arg("-Zdual-proc-macros"); + rustflags.arg("-Zdual-proc-macros"); + } } } } diff --git a/src/bootstrap/src/utils/shared_helpers.rs b/src/bootstrap/src/utils/shared_helpers.rs index 7150c84313c..6d3c276cc05 100644 --- a/src/bootstrap/src/utils/shared_helpers.rs +++ b/src/bootstrap/src/utils/shared_helpers.rs @@ -49,6 +49,8 @@ pub fn exe(name: &str, target: &str) -> String { format!("{name}.exe") } else if target.contains("uefi") { format!("{name}.efi") + } else if target.contains("wasm") { + format!("{name}.wasm") } else { name.to_string() } diff --git a/src/tools/compiletest/src/common.rs b/src/tools/compiletest/src/common.rs index adc89cad72f..17ec6ea4301 100644 --- a/src/tools/compiletest/src/common.rs +++ b/src/tools/compiletest/src/common.rs @@ -53,7 +53,6 @@ macro_rules! string_enum { string_enum! { #[derive(Clone, Copy, PartialEq, Debug)] pub enum Mode { - RunPassValgrind => "run-pass-valgrind", Pretty => "pretty", DebugInfo => "debuginfo", Codegen => "codegen", @@ -207,13 +206,6 @@ pub struct Config { /// Path to LLVM's bin directory. pub llvm_bin_dir: Option<PathBuf>, - /// The valgrind path. - pub valgrind_path: Option<String>, - - /// Whether to fail if we can't run run-pass-valgrind tests under valgrind - /// (or, alternatively, to silently run them like regular run-pass tests). - pub force_valgrind: bool, - /// The path to the Clang executable to run Clang-based tests with. If /// `None` then these tests will be ignored. pub run_clang_based_tests_with: Option<String>, diff --git a/src/tools/compiletest/src/lib.rs b/src/tools/compiletest/src/lib.rs index a8355ee9590..d9f64cddf5d 100644 --- a/src/tools/compiletest/src/lib.rs +++ b/src/tools/compiletest/src/lib.rs @@ -53,8 +53,6 @@ pub fn parse_config(args: Vec<String>) -> Config { .reqopt("", "python", "path to python to use for doc tests", "PATH") .optopt("", "jsondocck-path", "path to jsondocck to use for doc tests", "PATH") .optopt("", "jsondoclint-path", "path to jsondoclint to use for doc tests", "PATH") - .optopt("", "valgrind-path", "path to Valgrind executable for Valgrind tests", "PROGRAM") - .optflag("", "force-valgrind", "fail if Valgrind tests cannot be run under Valgrind") .optopt("", "run-clang-based-tests-with", "path to Clang executable", "PATH") .optopt("", "llvm-filecheck", "path to LLVM's FileCheck binary", "DIR") .reqopt("", "src-base", "directory to scan for test files", "PATH") @@ -65,7 +63,7 @@ pub fn parse_config(args: Vec<String>) -> Config { "", "mode", "which sort of compile tests to run", - "run-pass-valgrind | pretty | debug-info | codegen | rustdoc \ + "pretty | debug-info | codegen | rustdoc \ | rustdoc-json | codegen-units | incremental | run-make | ui \ | js-doc-test | mir-opt | assembly | crashes", ) @@ -269,8 +267,6 @@ pub fn parse_config(args: Vec<String>) -> Config { python: matches.opt_str("python").unwrap(), jsondocck_path: matches.opt_str("jsondocck-path"), jsondoclint_path: matches.opt_str("jsondoclint-path"), - valgrind_path: matches.opt_str("valgrind-path"), - force_valgrind: matches.opt_present("force-valgrind"), run_clang_based_tests_with: matches.opt_str("run-clang-based-tests-with"), llvm_filecheck: matches.opt_str("llvm-filecheck").map(PathBuf::from), llvm_bin_dir: matches.opt_str("llvm-bin-dir").map(PathBuf::from), diff --git a/src/tools/compiletest/src/main.rs b/src/tools/compiletest/src/main.rs index 7b85e6f80b3..9f3eef3776d 100644 --- a/src/tools/compiletest/src/main.rs +++ b/src/tools/compiletest/src/main.rs @@ -18,10 +18,6 @@ fn main() { let config = Arc::new(parse_config(env::args().collect())); - if config.valgrind_path.is_none() && config.force_valgrind { - panic!("Can't find Valgrind to run Valgrind tests"); - } - if !config.has_tidy && config.mode == Mode::Rustdoc { eprintln!("warning: `tidy` is not installed; diffs will not be generated"); } diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index e26c178ccb0..256b88758f0 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -20,9 +20,9 @@ use tracing::*; use crate::common::{ Assembly, Codegen, CodegenUnits, CompareMode, Config, CoverageMap, CoverageRun, Crashes, DebugInfo, Debugger, FailMode, Incremental, JsDocTest, MirOpt, PassMode, Pretty, RunMake, - RunPassValgrind, Rustdoc, RustdocJson, TestPaths, UI_EXTENSIONS, UI_FIXED, UI_RUN_STDERR, - UI_RUN_STDOUT, UI_STDERR, UI_STDOUT, UI_SVG, UI_WINDOWS_SVG, Ui, expected_output_path, - incremental_dir, output_base_dir, output_base_name, output_testname_unique, + Rustdoc, RustdocJson, TestPaths, UI_EXTENSIONS, UI_FIXED, UI_RUN_STDERR, UI_RUN_STDOUT, + UI_STDERR, UI_STDOUT, UI_SVG, UI_WINDOWS_SVG, Ui, expected_output_path, incremental_dir, + output_base_dir, output_base_name, output_testname_unique, }; use crate::compute_diff::{write_diff, write_filtered_diff}; use crate::errors::{self, Error, ErrorKind}; @@ -49,7 +49,6 @@ mod run_make; mod rustdoc; mod rustdoc_json; mod ui; -mod valgrind; // tidy-alphabet-end #[cfg(test)] @@ -253,7 +252,6 @@ impl<'test> TestCx<'test> { self.fatal("cannot use should-ice in a test that is not cfail"); } match self.config.mode { - RunPassValgrind => self.run_valgrind_test(), Pretty => self.run_pretty_test(), DebugInfo => self.run_debuginfo_test(), Codegen => self.run_codegen_test(), @@ -1500,8 +1498,7 @@ impl<'test> TestCx<'test> { Crashes => { set_mir_dump_dir(&mut rustc); } - RunPassValgrind | Pretty | DebugInfo | Rustdoc | RustdocJson | RunMake - | CodegenUnits | JsDocTest => { + Pretty | DebugInfo | Rustdoc | RustdocJson | RunMake | CodegenUnits | JsDocTest => { // do not use JSON output } } @@ -2655,33 +2652,6 @@ impl<'test> TestCx<'test> { } } - // FIXME(jieyouxu): `run_rpass_test` is hoisted out here and not in incremental because - // apparently valgrind test falls back to `run_rpass_test` if valgrind isn't available, which - // seems highly questionable to me. - fn run_rpass_test(&self) { - let emit_metadata = self.should_emit_metadata(self.pass_mode()); - let should_run = self.run_if_enabled(); - let proc_res = self.compile_test(should_run, emit_metadata); - - if !proc_res.status.success() { - self.fatal_proc_rec("compilation failed!", &proc_res); - } - - // FIXME(#41968): Move this check to tidy? - if !errors::load_errors(&self.testpaths.file, self.revision).is_empty() { - self.fatal("run-pass tests with expected warnings should be moved to ui/"); - } - - if let WillExecute::Disabled = should_run { - return; - } - - let proc_res = self.exec_compiled_test(); - if !proc_res.status.success() { - self.fatal_proc_rec("test run failed!", &proc_res); - } - } - fn aggressive_rm_rf(&self, path: &Path) -> io::Result<()> { for e in path.read_dir()? { let entry = e?; diff --git a/src/tools/compiletest/src/runtest/incremental.rs b/src/tools/compiletest/src/runtest/incremental.rs index 81b006292e4..bf2b71fef43 100644 --- a/src/tools/compiletest/src/runtest/incremental.rs +++ b/src/tools/compiletest/src/runtest/incremental.rs @@ -1,10 +1,6 @@ use super::{TestCx, WillExecute}; use crate::errors; -// FIXME(jieyouxu): `run_rpass_test` got hoisted out of this because apparently valgrind falls back -// to `run_rpass_test` if valgrind isn't available, which is questionable, but keeping it for -// refactoring changes to preserve current behavior. - impl TestCx<'_> { pub(super) fn run_incremental_test(&self) { // Basic plan for a test incremental/foo/bar.rs: @@ -73,6 +69,30 @@ impl TestCx<'_> { } } + fn run_rpass_test(&self) { + let emit_metadata = self.should_emit_metadata(self.pass_mode()); + let should_run = self.run_if_enabled(); + let proc_res = self.compile_test(should_run, emit_metadata); + + if !proc_res.status.success() { + self.fatal_proc_rec("compilation failed!", &proc_res); + } + + // FIXME(#41968): Move this check to tidy? + if !errors::load_errors(&self.testpaths.file, self.revision).is_empty() { + self.fatal("run-pass tests with expected warnings should be moved to ui/"); + } + + if let WillExecute::Disabled = should_run { + return; + } + + let proc_res = self.exec_compiled_test(); + if !proc_res.status.success() { + self.fatal_proc_rec("test run failed!", &proc_res); + } + } + fn run_cfail_test(&self) { let pm = self.pass_mode(); let proc_res = self.compile_test(WillExecute::No, self.should_emit_metadata(pm)); @@ -115,12 +135,6 @@ impl TestCx<'_> { let proc_res = self.exec_compiled_test(); - // The value our Makefile configures valgrind to return on failure - const VALGRIND_ERR: i32 = 100; - if proc_res.status.code() == Some(VALGRIND_ERR) { - self.fatal_proc_rec("run-fail test isn't valgrind-clean!", &proc_res); - } - let output_to_check = self.get_output(&proc_res); self.check_correct_failure_status(&proc_res); self.check_all_error_patterns(&output_to_check, &proc_res, pm); diff --git a/src/tools/compiletest/src/runtest/valgrind.rs b/src/tools/compiletest/src/runtest/valgrind.rs deleted file mode 100644 index 8d72c4be9ff..00000000000 --- a/src/tools/compiletest/src/runtest/valgrind.rs +++ /dev/null @@ -1,34 +0,0 @@ -use super::{Emit, TestCx, WillExecute}; - -impl TestCx<'_> { - pub(super) fn run_valgrind_test(&self) { - assert!(self.revision.is_none(), "revisions not relevant here"); - - // FIXME(jieyouxu): does this really make any sense? If a valgrind test isn't testing - // valgrind, what is it even testing? - if self.config.valgrind_path.is_none() { - assert!(!self.config.force_valgrind); - return self.run_rpass_test(); - } - - let should_run = self.run_if_enabled(); - let mut proc_res = self.compile_test(should_run, Emit::None); - - if !proc_res.status.success() { - self.fatal_proc_rec("compilation failed!", &proc_res); - } - - if let WillExecute::Disabled = should_run { - return; - } - - let mut new_config = self.config.clone(); - new_config.runner = new_config.valgrind_path.clone(); - let new_cx = TestCx { config: &new_config, ..*self }; - proc_res = new_cx.exec_compiled_test(); - - if !proc_res.status.success() { - self.fatal_proc_rec("test run failed!", &proc_res); - } - } -} diff --git a/src/tools/opt-dist/src/tests.rs b/src/tools/opt-dist/src/tests.rs index 82c393d34a6..e401554640c 100644 --- a/src/tools/opt-dist/src/tests.rs +++ b/src/tools/opt-dist/src/tests.rs @@ -96,7 +96,6 @@ llvm-config = "{llvm_config}" "tests/incremental", "tests/mir-opt", "tests/pretty", - "tests/run-pass-valgrind", "tests/ui", "tests/crashes", ]; diff --git a/tests/run-pass-valgrind/cast-enum-with-dtor.rs b/tests/run-pass-valgrind/cast-enum-with-dtor.rs deleted file mode 100644 index a57dc373478..00000000000 --- a/tests/run-pass-valgrind/cast-enum-with-dtor.rs +++ /dev/null @@ -1,34 +0,0 @@ -#![allow(dead_code, cenum_impl_drop_cast)] - -// check dtor calling order when casting enums. - -use std::mem; -use std::sync::atomic; -use std::sync::atomic::Ordering; - -enum E { - A = 0, - B = 1, - C = 2, -} - -static FLAG: atomic::AtomicUsize = atomic::AtomicUsize::new(0); - -impl Drop for E { - fn drop(&mut self) { - // avoid dtor loop - unsafe { mem::forget(mem::replace(self, E::B)) }; - - FLAG.store(FLAG.load(Ordering::SeqCst) + 1, Ordering::SeqCst); - } -} - -fn main() { - assert_eq!(FLAG.load(Ordering::SeqCst), 0); - { - let e = E::C; - assert_eq!(e as u32, 2); - assert_eq!(FLAG.load(Ordering::SeqCst), 1); - } - assert_eq!(FLAG.load(Ordering::SeqCst), 1); -} diff --git a/tests/run-pass-valgrind/cleanup-auto-borrow-obj.rs b/tests/run-pass-valgrind/cleanup-auto-borrow-obj.rs deleted file mode 100644 index e4ce80b3305..00000000000 --- a/tests/run-pass-valgrind/cleanup-auto-borrow-obj.rs +++ /dev/null @@ -1,28 +0,0 @@ -// This would previously leak the Box<Trait> because we wouldn't -// schedule cleanups when auto borrowing trait objects. -// This program should be valgrind clean. - -static mut DROP_RAN: bool = false; - -struct Foo; -impl Drop for Foo { - fn drop(&mut self) { - unsafe { - DROP_RAN = true; - } - } -} - -trait Trait { - fn dummy(&self) {} -} -impl Trait for Foo {} - -pub fn main() { - { - let _x: &Trait = &*(Box::new(Foo) as Box<Trait>); - } - unsafe { - assert!(DROP_RAN); - } -} diff --git a/tests/run-pass-valgrind/cleanup-stdin.rs b/tests/run-pass-valgrind/cleanup-stdin.rs deleted file mode 100644 index cf8f81cf5aa..00000000000 --- a/tests/run-pass-valgrind/cleanup-stdin.rs +++ /dev/null @@ -1,5 +0,0 @@ -fn main() { - let _ = std::io::stdin(); - let _ = std::io::stdout(); - let _ = std::io::stderr(); -} diff --git a/tests/run-pass-valgrind/coerce-match-calls.rs b/tests/run-pass-valgrind/coerce-match-calls.rs deleted file mode 100644 index 8c7375610dd..00000000000 --- a/tests/run-pass-valgrind/coerce-match-calls.rs +++ /dev/null @@ -1,21 +0,0 @@ -// Check that coercions are propagated through match and if expressions. - -//@ pretty-expanded FIXME #23616 - -use std::boxed::Box; - -pub fn main() { - let _: Box<[isize]> = if true { Box::new([1, 2, 3]) } else { Box::new([1]) }; - - let _: Box<[isize]> = match true { - true => Box::new([1, 2, 3]), - false => Box::new([1]), - }; - - // Check we don't get over-keen at propagating coercions in the case of casts. - let x = if true { 42 } else { 42u8 } as u16; - let x = match true { - true => 42, - false => 42u8, - } as u16; -} diff --git a/tests/run-pass-valgrind/coerce-match.rs b/tests/run-pass-valgrind/coerce-match.rs deleted file mode 100644 index 95f16a8cc89..00000000000 --- a/tests/run-pass-valgrind/coerce-match.rs +++ /dev/null @@ -1,31 +0,0 @@ -// Check that coercions are propagated through match and if expressions. - -//@ pretty-expanded FIXME #23616 - -pub fn main() { - let _: Box<[isize]> = if true { - let b: Box<_> = Box::new([1, 2, 3]); - b - } else { - let b: Box<_> = Box::new([1]); - b - }; - - let _: Box<[isize]> = match true { - true => { - let b: Box<_> = Box::new([1, 2, 3]); - b - } - false => { - let b: Box<_> = Box::new([1]); - b - } - }; - - // Check we don't get over-keen at propagating coercions in the case of casts. - let x = if true { 42 } else { 42u8 } as u16; - let x = match true { - true => 42, - false => 42u8, - } as u16; -} diff --git a/tests/run-pass-valgrind/down-with-thread-dtors.rs b/tests/run-pass-valgrind/down-with-thread-dtors.rs deleted file mode 100644 index 0d3745bba5b..00000000000 --- a/tests/run-pass-valgrind/down-with-thread-dtors.rs +++ /dev/null @@ -1,43 +0,0 @@ -//@ ignore-emscripten - -thread_local!(static FOO: Foo = Foo); -thread_local!(static BAR: Bar = Bar(1)); -thread_local!(static BAZ: Baz = Baz); - -static mut HIT: bool = false; - -struct Foo; -struct Bar(i32); -struct Baz; - -impl Drop for Foo { - fn drop(&mut self) { - BAR.with(|_| {}); - } -} - -impl Drop for Bar { - fn drop(&mut self) { - assert_eq!(self.0, 1); - self.0 = 2; - BAZ.with(|_| {}); - assert_eq!(self.0, 2); - } -} - -impl Drop for Baz { - fn drop(&mut self) { - unsafe { - HIT = true; - } - } -} - -fn main() { - std::thread::spawn(|| { - FOO.with(|_| {}); - }) - .join() - .unwrap(); - assert!(unsafe { HIT }); -} diff --git a/tests/run-pass-valgrind/dst-dtor-1.rs b/tests/run-pass-valgrind/dst-dtor-1.rs deleted file mode 100644 index 47065151a03..00000000000 --- a/tests/run-pass-valgrind/dst-dtor-1.rs +++ /dev/null @@ -1,28 +0,0 @@ -static mut DROP_RAN: bool = false; - -struct Foo; -impl Drop for Foo { - fn drop(&mut self) { - unsafe { - DROP_RAN = true; - } - } -} - -trait Trait { - fn dummy(&self) {} -} -impl Trait for Foo {} - -struct Fat<T: ?Sized> { - f: T, -} - -pub fn main() { - { - let _x: Box<Fat<Trait>> = Box::<Fat<Foo>>::new(Fat { f: Foo }); - } - unsafe { - assert!(DROP_RAN); - } -} diff --git a/tests/run-pass-valgrind/dst-dtor-2.rs b/tests/run-pass-valgrind/dst-dtor-2.rs deleted file mode 100644 index d8abebfb447..00000000000 --- a/tests/run-pass-valgrind/dst-dtor-2.rs +++ /dev/null @@ -1,23 +0,0 @@ -static mut DROP_RAN: isize = 0; - -struct Foo; -impl Drop for Foo { - fn drop(&mut self) { - unsafe { - DROP_RAN += 1; - } - } -} - -struct Fat<T: ?Sized> { - f: T, -} - -pub fn main() { - { - let _x: Box<Fat<[Foo]>> = Box::<Fat<[Foo; 3]>>::new(Fat { f: [Foo, Foo, Foo] }); - } - unsafe { - assert_eq!(DROP_RAN, 3); - } -} diff --git a/tests/run-pass-valgrind/dst-dtor-3.rs b/tests/run-pass-valgrind/dst-dtor-3.rs deleted file mode 100644 index 09adaca21c7..00000000000 --- a/tests/run-pass-valgrind/dst-dtor-3.rs +++ /dev/null @@ -1,26 +0,0 @@ -#![feature(unsized_tuple_coercion)] - -static mut DROP_RAN: bool = false; - -struct Foo; -impl Drop for Foo { - fn drop(&mut self) { - unsafe { - DROP_RAN = true; - } - } -} - -trait Trait { - fn dummy(&self) {} -} -impl Trait for Foo {} - -pub fn main() { - { - let _x: Box<(i32, Trait)> = Box::<(i32, Foo)>::new((42, Foo)); - } - unsafe { - assert!(DROP_RAN); - } -} diff --git a/tests/run-pass-valgrind/dst-dtor-4.rs b/tests/run-pass-valgrind/dst-dtor-4.rs deleted file mode 100644 index a66ac8e3cfc..00000000000 --- a/tests/run-pass-valgrind/dst-dtor-4.rs +++ /dev/null @@ -1,21 +0,0 @@ -#![feature(unsized_tuple_coercion)] - -static mut DROP_RAN: isize = 0; - -struct Foo; -impl Drop for Foo { - fn drop(&mut self) { - unsafe { - DROP_RAN += 1; - } - } -} - -pub fn main() { - { - let _x: Box<(i32, [Foo])> = Box::<(i32, [Foo; 3])>::new((42, [Foo, Foo, Foo])); - } - unsafe { - assert_eq!(DROP_RAN, 3); - } -} diff --git a/tests/run-pass-valgrind/exit-flushes.rs b/tests/run-pass-valgrind/exit-flushes.rs deleted file mode 100644 index 4e25ef76d39..00000000000 --- a/tests/run-pass-valgrind/exit-flushes.rs +++ /dev/null @@ -1,19 +0,0 @@ -//@ ignore-wasm32 no subprocess support -//@ ignore-sgx no processes -//@ ignore-apple this needs valgrind 3.11 or higher; see -// https://github.com/rust-lang/rust/pull/30365#issuecomment-165763679 - -use std::env; -use std::process::{Command, exit}; - -fn main() { - if env::args().len() > 1 { - print!("hello!"); - exit(0); - } else { - let out = Command::new(env::args().next().unwrap()).arg("foo").output().unwrap(); - assert!(out.status.success()); - assert_eq!(String::from_utf8(out.stdout).unwrap(), "hello!"); - assert_eq!(String::from_utf8(out.stderr).unwrap(), ""); - } -} diff --git a/tests/run-pass-valgrind/issue-44800.rs b/tests/run-pass-valgrind/issue-44800.rs deleted file mode 100644 index f76657ca752..00000000000 --- a/tests/run-pass-valgrind/issue-44800.rs +++ /dev/null @@ -1,12 +0,0 @@ -use std::alloc::System; -use std::collections::VecDeque; - -#[global_allocator] -static ALLOCATOR: System = System; - -fn main() { - let mut deque = VecDeque::with_capacity(32); - deque.push_front(0); - deque.reserve(31); - deque.push_back(0); -} diff --git a/tests/run-pass-valgrind/unsized-locals/by-value-trait-objects-rust-call.rs b/tests/run-pass-valgrind/unsized-locals/by-value-trait-objects-rust-call.rs deleted file mode 100644 index 5d3f558a63a..00000000000 --- a/tests/run-pass-valgrind/unsized-locals/by-value-trait-objects-rust-call.rs +++ /dev/null @@ -1,55 +0,0 @@ -#![feature(unsized_locals)] -#![feature(unboxed_closures)] -#![feature(tuple_trait)] - -pub trait FnOnce<Args: std::marker::Tuple> { - type Output; - extern "rust-call" fn call_once(self, args: Args) -> Self::Output; -} - -struct A; - -impl FnOnce<()> for A { - type Output = String; - extern "rust-call" fn call_once(self, (): ()) -> Self::Output { - format!("hello") - } -} - -struct B(i32); - -impl FnOnce<()> for B { - type Output = String; - extern "rust-call" fn call_once(self, (): ()) -> Self::Output { - format!("{}", self.0) - } -} - -struct C(String); - -impl FnOnce<()> for C { - type Output = String; - extern "rust-call" fn call_once(self, (): ()) -> Self::Output { - self.0 - } -} - -struct D(Box<String>); - -impl FnOnce<()> for D { - type Output = String; - extern "rust-call" fn call_once(self, (): ()) -> Self::Output { - *self.0 - } -} - -fn main() { - let x = *(Box::new(A) as Box<dyn FnOnce<(), Output = String>>); - assert_eq!(x.call_once(()), format!("hello")); - let x = *(Box::new(B(42)) as Box<dyn FnOnce<(), Output = String>>); - assert_eq!(x.call_once(()), format!("42")); - let x = *(Box::new(C(format!("jumping fox"))) as Box<dyn FnOnce<(), Output = String>>); - assert_eq!(x.call_once(()), format!("jumping fox")); - let x = *(Box::new(D(Box::new(format!("lazy dog")))) as Box<dyn FnOnce<(), Output = String>>); - assert_eq!(x.call_once(()), format!("lazy dog")); -} diff --git a/tests/run-pass-valgrind/unsized-locals/by-value-trait-objects-rust-call2.rs b/tests/run-pass-valgrind/unsized-locals/by-value-trait-objects-rust-call2.rs deleted file mode 100644 index 9b6648f2e27..00000000000 --- a/tests/run-pass-valgrind/unsized-locals/by-value-trait-objects-rust-call2.rs +++ /dev/null @@ -1,69 +0,0 @@ -#![feature(unsized_locals)] -#![feature(unboxed_closures)] -#![feature(tuple_trait)] - -pub trait FnOnce<Args: std::marker::Tuple> { - type Output; - extern "rust-call" fn call_once(self, args: Args) -> Self::Output; -} - -struct A; - -impl FnOnce<(String, Box<str>)> for A { - type Output = String; - extern "rust-call" fn call_once(self, (s1, s2): (String, Box<str>)) -> Self::Output { - assert_eq!(&s1 as &str, "s1"); - assert_eq!(&s2 as &str, "s2"); - format!("hello") - } -} - -struct B(i32); - -impl FnOnce<(String, Box<str>)> for B { - type Output = String; - extern "rust-call" fn call_once(self, (s1, s2): (String, Box<str>)) -> Self::Output { - assert_eq!(&s1 as &str, "s1"); - assert_eq!(&s2 as &str, "s2"); - format!("{}", self.0) - } -} - -struct C(String); - -impl FnOnce<(String, Box<str>)> for C { - type Output = String; - extern "rust-call" fn call_once(self, (s1, s2): (String, Box<str>)) -> Self::Output { - assert_eq!(&s1 as &str, "s1"); - assert_eq!(&s2 as &str, "s2"); - self.0 - } -} - -struct D(Box<String>); - -impl FnOnce<(String, Box<str>)> for D { - type Output = String; - extern "rust-call" fn call_once(self, (s1, s2): (String, Box<str>)) -> Self::Output { - assert_eq!(&s1 as &str, "s1"); - assert_eq!(&s2 as &str, "s2"); - *self.0 - } -} - -fn main() { - let (s1, s2) = (format!("s1"), format!("s2").into_boxed_str()); - let x = *(Box::new(A) as Box<dyn FnOnce<(String, Box<str>), Output = String>>); - assert_eq!(x.call_once((s1, s2)), format!("hello")); - let (s1, s2) = (format!("s1"), format!("s2").into_boxed_str()); - let x = *(Box::new(B(42)) as Box<dyn FnOnce<(String, Box<str>), Output = String>>); - assert_eq!(x.call_once((s1, s2)), format!("42")); - let (s1, s2) = (format!("s1"), format!("s2").into_boxed_str()); - let x = *(Box::new(C(format!("jumping fox"))) - as Box<dyn FnOnce<(String, Box<str>), Output = String>>); - assert_eq!(x.call_once((s1, s2)), format!("jumping fox")); - let (s1, s2) = (format!("s1"), format!("s2").into_boxed_str()); - let x = *(Box::new(D(Box::new(format!("lazy dog")))) - as Box<dyn FnOnce<(String, Box<str>), Output = String>>); - assert_eq!(x.call_once((s1, s2)), format!("lazy dog")); -} diff --git a/tests/run-pass-valgrind/unsized-locals/by-value-trait-objects.rs b/tests/run-pass-valgrind/unsized-locals/by-value-trait-objects.rs deleted file mode 100644 index 3f6b6d262b5..00000000000 --- a/tests/run-pass-valgrind/unsized-locals/by-value-trait-objects.rs +++ /dev/null @@ -1,48 +0,0 @@ -#![feature(unsized_locals)] - -pub trait Foo { - fn foo(self) -> String; -} - -struct A; - -impl Foo for A { - fn foo(self) -> String { - format!("hello") - } -} - -struct B(i32); - -impl Foo for B { - fn foo(self) -> String { - format!("{}", self.0) - } -} - -struct C(String); - -impl Foo for C { - fn foo(self) -> String { - self.0 - } -} - -struct D(Box<String>); - -impl Foo for D { - fn foo(self) -> String { - *self.0 - } -} - -fn main() { - let x = *(Box::new(A) as Box<dyn Foo>); - assert_eq!(x.foo(), format!("hello")); - let x = *(Box::new(B(42)) as Box<dyn Foo>); - assert_eq!(x.foo(), format!("42")); - let x = *(Box::new(C(format!("jumping fox"))) as Box<dyn Foo>); - assert_eq!(x.foo(), format!("jumping fox")); - let x = *(Box::new(D(Box::new(format!("lazy dog")))) as Box<dyn Foo>); - assert_eq!(x.foo(), format!("lazy dog")); -} diff --git a/tests/run-pass-valgrind/unsized-locals/long-live-the-unsized-temporary.rs b/tests/run-pass-valgrind/unsized-locals/long-live-the-unsized-temporary.rs deleted file mode 100644 index a7b9052617f..00000000000 --- a/tests/run-pass-valgrind/unsized-locals/long-live-the-unsized-temporary.rs +++ /dev/null @@ -1,52 +0,0 @@ -#![allow(incomplete_features)] -#![feature(unsized_locals, unsized_fn_params)] - -use std::fmt; - -fn gen_foo() -> Box<fmt::Display> { - Box::new(Box::new("foo")) -} - -fn foo(x: fmt::Display) { - assert_eq!(x.to_string(), "foo"); -} - -fn foo_indirect(x: fmt::Display) { - foo(x); -} - -fn main() { - foo(*gen_foo()); - foo_indirect(*gen_foo()); - - { - let x: fmt::Display = *gen_foo(); - foo(x); - } - - { - let x: fmt::Display = *gen_foo(); - let y: fmt::Display = *gen_foo(); - foo(x); - foo(y); - } - - { - let mut cnt: usize = 3; - let x = loop { - let x: fmt::Display = *gen_foo(); - if cnt == 0 { - break x; - } else { - cnt -= 1; - } - }; - foo(x); - } - - { - let x: fmt::Display = *gen_foo(); - let x = if true { x } else { *gen_foo() }; - foo(x); - } -} diff --git a/tests/ui/deriving/deriving-smart-pointer-neg.rs b/tests/ui/deriving/deriving-smart-pointer-neg.rs index f02fb56130f..41d3039236f 100644 --- a/tests/ui/deriving/deriving-smart-pointer-neg.rs +++ b/tests/ui/deriving/deriving-smart-pointer-neg.rs @@ -53,6 +53,39 @@ struct NoMaybeSized<'a, #[pointee] T> { ptr: &'a T, } +#[derive(SmartPointer)] +#[repr(transparent)] +struct PointeeOnField<'a, #[pointee] T: ?Sized> { + #[pointee] + //~^ ERROR: the `#[pointee]` attribute may only be used on generic parameters + ptr: &'a T +} + +#[derive(SmartPointer)] +#[repr(transparent)] +struct PointeeInTypeConstBlock<'a, T: ?Sized = [u32; const { struct UhOh<#[pointee] T>(T); 10 }]> { + //~^ ERROR: the `#[pointee]` attribute may only be used on generic parameters + ptr: &'a T, +} + +#[derive(SmartPointer)] +#[repr(transparent)] +struct PointeeInConstConstBlock< + 'a, + T: ?Sized, + const V: u32 = { struct UhOh<#[pointee] T>(T); 10 }> + //~^ ERROR: the `#[pointee]` attribute may only be used on generic parameters +{ + ptr: &'a T, +} + +#[derive(SmartPointer)] +#[repr(transparent)] +struct PointeeInAnotherTypeConstBlock<'a, #[pointee] T: ?Sized> { + ptr: PointeeInConstConstBlock<'a, T, { struct UhOh<#[pointee] T>(T); 0 }> + //~^ ERROR: the `#[pointee]` attribute may only be used on generic parameters +} + // However, reordering attributes should work nevertheless. #[repr(transparent)] #[derive(SmartPointer)] diff --git a/tests/ui/deriving/deriving-smart-pointer-neg.stderr b/tests/ui/deriving/deriving-smart-pointer-neg.stderr index e7c2afc8b00..9ab117698c7 100644 --- a/tests/ui/deriving/deriving-smart-pointer-neg.stderr +++ b/tests/ui/deriving/deriving-smart-pointer-neg.stderr @@ -58,6 +58,30 @@ error: `derive(SmartPointer)` requires T to be marked `?Sized` LL | struct NoMaybeSized<'a, #[pointee] T> { | ^ +error: the `#[pointee]` attribute may only be used on generic parameters + --> $DIR/deriving-smart-pointer-neg.rs:59:5 + | +LL | #[pointee] + | ^^^^^^^^^^ + +error: the `#[pointee]` attribute may only be used on generic parameters + --> $DIR/deriving-smart-pointer-neg.rs:66:74 + | +LL | struct PointeeInTypeConstBlock<'a, T: ?Sized = [u32; const { struct UhOh<#[pointee] T>(T); 10 }]> { + | ^^^^^^^^^^ + +error: the `#[pointee]` attribute may only be used on generic parameters + --> $DIR/deriving-smart-pointer-neg.rs:76:34 + | +LL | const V: u32 = { struct UhOh<#[pointee] T>(T); 10 }> + | ^^^^^^^^^^ + +error: the `#[pointee]` attribute may only be used on generic parameters + --> $DIR/deriving-smart-pointer-neg.rs:85:56 + | +LL | ptr: PointeeInConstConstBlock<'a, T, { struct UhOh<#[pointee] T>(T); 0 }> + | ^^^^^^^^^^ + error[E0392]: lifetime parameter `'a` is never used --> $DIR/deriving-smart-pointer-neg.rs:15:16 | @@ -90,6 +114,6 @@ LL | struct NoFieldUnit<'a, #[pointee] T: ?Sized>(); | = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData` -error: aborting due to 12 previous errors +error: aborting due to 16 previous errors For more information about this error, try `rustc --explain E0392`. diff --git a/triagebot.toml b/triagebot.toml index 737be4cc457..0172a80b3a5 100644 --- a/triagebot.toml +++ b/triagebot.toml @@ -921,6 +921,7 @@ cc = ["@kobzol"] warn_non_default_branch = true contributing_url = "https://rustc-dev-guide.rust-lang.org/getting-started.html" users_on_vacation = [ + "BoxyUwU", "fmease", "jhpratt", "jyn514", |