diff options
304 files changed, 2643 insertions, 1550 deletions
diff --git a/RELEASES.md b/RELEASES.md index 2da6ed3f100..e0175db7ec8 100644 --- a/RELEASES.md +++ b/RELEASES.md @@ -1,3 +1,18 @@ +Version 1.84.1 (2025-01-30) +========================== + +<a id="1.84.1"></a> + +- [Fix ICE 132920 in duplicate-crate diagnostics.](https://github.com/rust-lang/rust/pull/133304/) +- [Fix errors for overlapping impls in incremental rebuilds.](https://github.com/rust-lang/rust/pull/133828/) +- [Fix slow compilation related to the next-generation trait solver.](https://github.com/rust-lang/rust/pull/135618/) +- [Fix debuginfo when LLVM's location discriminator value limit is exceeded.](https://github.com/rust-lang/rust/pull/135643/) +- Fixes for building Rust from source: + - [Only try to distribute `llvm-objcopy` if llvm tools are enabled.](https://github.com/rust-lang/rust/pull/134240/) + - [Add Profile Override for Non-Git Sources.](https://github.com/rust-lang/rust/pull/135433/) + - [Resolve symlinks of LLVM tool binaries before copying them.](https://github.com/rust-lang/rust/pull/135585/) + - [Make it possible to use ci-rustc on tarball sources.](https://github.com/rust-lang/rust/pull/135722/) + Version 1.84.0 (2025-01-09) ========================== diff --git a/compiler/rustc_borrowck/src/polonius/dump.rs b/compiler/rustc_borrowck/src/polonius/dump.rs index f71e6f3e6f3..6d32ee17f4c 100644 --- a/compiler/rustc_borrowck/src/polonius/dump.rs +++ b/compiler/rustc_borrowck/src/polonius/dump.rs @@ -1,17 +1,19 @@ use std::io; -use rustc_data_structures::fx::FxHashSet; +use rustc_data_structures::fx::{FxHashSet, FxIndexMap, FxIndexSet}; use rustc_index::IndexVec; use rustc_middle::mir::pretty::{ PassWhere, PrettyPrintMirOptions, create_dump_file, dump_enabled, dump_mir_to_writer, }; -use rustc_middle::mir::{Body, ClosureRegionRequirements}; +use rustc_middle::mir::{Body, ClosureRegionRequirements, Location}; use rustc_middle::ty::{RegionVid, TyCtxt}; +use rustc_mir_dataflow::points::PointIndex; use rustc_session::config::MirIncludeSpans; use crate::borrow_set::BorrowSet; use crate::constraints::OutlivesConstraint; use crate::polonius::{LocalizedOutlivesConstraint, LocalizedOutlivesConstraintSet}; +use crate::region_infer::values::LivenessValues; use crate::type_check::Locations; use crate::{BorrowckInferCtxt, RegionInferenceContext}; @@ -80,14 +82,27 @@ fn emit_polonius_dump<'tcx>( body, regioncx, borrow_set, - localized_outlives_constraints, + &localized_outlives_constraints, closure_region_requirements, out, )?; writeln!(out, "</code></pre>")?; writeln!(out, "</div>")?; - // Section 2: mermaid visualization of the CFG. + // Section 2: mermaid visualization of the polonius constraint graph. + writeln!(out, "<div>")?; + writeln!(out, "Polonius constraint graph")?; + writeln!(out, "<pre class='mermaid'>")?; + let edge_count = emit_mermaid_constraint_graph( + borrow_set, + regioncx.liveness_constraints(), + &localized_outlives_constraints, + out, + )?; + writeln!(out, "</pre>")?; + writeln!(out, "</div>")?; + + // Section 3: mermaid visualization of the CFG. writeln!(out, "<div>")?; writeln!(out, "Control-flow graph")?; writeln!(out, "<pre class='mermaid'>")?; @@ -95,7 +110,7 @@ fn emit_polonius_dump<'tcx>( writeln!(out, "</pre>")?; writeln!(out, "</div>")?; - // Section 3: mermaid visualization of the NLL region graph. + // Section 4: mermaid visualization of the NLL region graph. writeln!(out, "<div>")?; writeln!(out, "NLL regions")?; writeln!(out, "<pre class='mermaid'>")?; @@ -103,7 +118,7 @@ fn emit_polonius_dump<'tcx>( writeln!(out, "</pre>")?; writeln!(out, "</div>")?; - // Section 4: mermaid visualization of the NLL SCC graph. + // Section 5: mermaid visualization of the NLL SCC graph. writeln!(out, "<div>")?; writeln!(out, "NLL SCCs")?; writeln!(out, "<pre class='mermaid'>")?; @@ -117,7 +132,11 @@ fn emit_polonius_dump<'tcx>( "<script src='https://cdn.jsdelivr.net/npm/mermaid/dist/mermaid.min.js'></script>" )?; writeln!(out, "<script>")?; - writeln!(out, "mermaid.initialize({{ startOnLoad: false, maxEdges: 100 }});")?; + writeln!( + out, + "mermaid.initialize({{ startOnLoad: false, maxEdges: {} }});", + edge_count.max(100), + )?; writeln!(out, "mermaid.run({{ querySelector: '.mermaid' }})")?; writeln!(out, "</script>")?; writeln!(out, "</body>")?; @@ -132,7 +151,7 @@ fn emit_html_mir<'tcx>( body: &Body<'tcx>, regioncx: &RegionInferenceContext<'tcx>, borrow_set: &BorrowSet<'tcx>, - localized_outlives_constraints: LocalizedOutlivesConstraintSet, + localized_outlives_constraints: &LocalizedOutlivesConstraintSet, closure_region_requirements: &Option<ClosureRegionRequirements<'tcx>>, out: &mut dyn io::Write, ) -> io::Result<()> { @@ -160,7 +179,7 @@ fn emit_html_mir<'tcx>( regioncx, closure_region_requirements, borrow_set, - &localized_outlives_constraints, + localized_outlives_constraints, pass_where, out, ) @@ -392,3 +411,76 @@ fn emit_mermaid_nll_sccs<'tcx>( Ok(()) } + +/// Emits a mermaid flowchart of the polonius localized outlives constraints, with subgraphs per +/// region, and loan introductions. +fn emit_mermaid_constraint_graph<'tcx>( + borrow_set: &BorrowSet<'tcx>, + liveness: &LivenessValues, + localized_outlives_constraints: &LocalizedOutlivesConstraintSet, + out: &mut dyn io::Write, +) -> io::Result<usize> { + let location_name = |location: Location| { + // A MIR location looks like `bb5[2]`. As that is not a syntactically valid mermaid node id, + // transform it into `BB5_2`. + format!("BB{}_{}", location.block.index(), location.statement_index) + }; + let region_name = |region: RegionVid| format!("'{}", region.index()); + let node_name = |region: RegionVid, point: PointIndex| { + let location = liveness.location_from_point(point); + format!("{}_{}", region_name(region), location_name(location)) + }; + + // The mermaid chart type: a top-down flowchart, which supports subgraphs. + writeln!(out, "flowchart TD")?; + + // The loans subgraph: a node per loan. + writeln!(out, " subgraph \"Loans\"")?; + for loan_idx in 0..borrow_set.len() { + writeln!(out, " L{loan_idx}")?; + } + writeln!(out, " end\n")?; + + // And an edge from that loan node to where it enters the constraint graph. + for (loan_idx, loan) in borrow_set.iter_enumerated() { + writeln!( + out, + " L{} --> {}_{}", + loan_idx.index(), + region_name(loan.region), + location_name(loan.reserve_location), + )?; + } + writeln!(out, "")?; + + // The regions subgraphs containing the region/point nodes. + let mut points_per_region: FxIndexMap<RegionVid, FxIndexSet<PointIndex>> = + FxIndexMap::default(); + for constraint in &localized_outlives_constraints.outlives { + points_per_region.entry(constraint.source).or_default().insert(constraint.from); + points_per_region.entry(constraint.target).or_default().insert(constraint.to); + } + for (region, points) in points_per_region { + writeln!(out, " subgraph \"{}\"", region_name(region))?; + for point in points { + writeln!(out, " {}", node_name(region, point))?; + } + writeln!(out, " end\n")?; + } + + // The constraint graph edges. + for constraint in &localized_outlives_constraints.outlives { + // FIXME: add killed loans and constraint kind as edge labels. + writeln!( + out, + " {} --> {}", + node_name(constraint.source, constraint.from), + node_name(constraint.target, constraint.to), + )?; + } + + // Return the number of edges: this is the biggest graph in the dump and its edge count will be + // mermaid's max edge count to support. + let edge_count = borrow_set.len() + localized_outlives_constraints.outlives.len(); + Ok(edge_count) +} diff --git a/compiler/rustc_codegen_cranelift/src/constant.rs b/compiler/rustc_codegen_cranelift/src/constant.rs index 3e7b81a96b6..425b2adf32a 100644 --- a/compiler/rustc_codegen_cranelift/src/constant.rs +++ b/compiler/rustc_codegen_cranelift/src/constant.rs @@ -6,7 +6,7 @@ use cranelift_module::*; use rustc_data_structures::fx::FxHashSet; use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags; use rustc_middle::mir::interpret::{AllocId, GlobalAlloc, Scalar, read_target_uint}; -use rustc_middle::ty::{Binder, ExistentialTraitRef, ScalarInt}; +use rustc_middle::ty::{ExistentialTraitRef, ScalarInt}; use crate::prelude::*; @@ -167,7 +167,9 @@ pub(crate) fn codegen_const_value<'tcx>( &mut fx.constants_cx, fx.module, ty, - dyn_ty.principal(), + dyn_ty.principal().map(|principal| { + fx.tcx.instantiate_bound_regions_with_erased(principal) + }), ); let local_data_id = fx.module.declare_data_in_func(data_id, &mut fx.bcx.func); @@ -243,7 +245,7 @@ pub(crate) fn data_id_for_vtable<'tcx>( cx: &mut ConstantCx, module: &mut dyn Module, ty: Ty<'tcx>, - trait_ref: Option<Binder<'tcx, ExistentialTraitRef<'tcx>>>, + trait_ref: Option<ExistentialTraitRef<'tcx>>, ) -> DataId { let alloc_id = tcx.vtable_allocation((ty, trait_ref)); data_id_for_alloc_id(cx, module, alloc_id, Mutability::Not) @@ -460,9 +462,15 @@ fn define_all_allocs(tcx: TyCtxt<'_>, module: &mut dyn Module, cx: &mut Constant GlobalAlloc::Memory(target_alloc) => { data_id_for_alloc_id(cx, module, alloc_id, target_alloc.inner().mutability) } - GlobalAlloc::VTable(ty, dyn_ty) => { - data_id_for_vtable(tcx, cx, module, ty, dyn_ty.principal()) - } + GlobalAlloc::VTable(ty, dyn_ty) => data_id_for_vtable( + tcx, + cx, + module, + ty, + dyn_ty + .principal() + .map(|principal| tcx.instantiate_bound_regions_with_erased(principal)), + ), GlobalAlloc::Static(def_id) => { if tcx.codegen_fn_attrs(def_id).flags.contains(CodegenFnAttrFlags::THREAD_LOCAL) { diff --git a/compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs b/compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs index 6d71b8e8aba..d682efd19aa 100644 --- a/compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs +++ b/compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs @@ -129,12 +129,7 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>( return; } - let idx = generic_args[2] - .expect_const() - .try_to_valtree() - .expect("expected monomorphic const in codegen") - .0 - .unwrap_branch(); + let idx = generic_args[2].expect_const().to_value().valtree.unwrap_branch(); assert_eq!(x.layout(), y.layout()); let layout = x.layout(); diff --git a/compiler/rustc_codegen_cranelift/src/unsize.rs b/compiler/rustc_codegen_cranelift/src/unsize.rs index 2843e5bbdfb..f8bbb214920 100644 --- a/compiler/rustc_codegen_cranelift/src/unsize.rs +++ b/compiler/rustc_codegen_cranelift/src/unsize.rs @@ -61,7 +61,12 @@ pub(crate) fn unsized_info<'tcx>( old_info } } - (_, ty::Dynamic(data, ..)) => crate::vtable::get_vtable(fx, source, data.principal()), + (_, ty::Dynamic(data, ..)) => crate::vtable::get_vtable( + fx, + source, + data.principal() + .map(|principal| fx.tcx.instantiate_bound_regions_with_erased(principal)), + ), _ => bug!("unsized_info: invalid unsizing {:?} -> {:?}", source, target), } } diff --git a/compiler/rustc_codegen_cranelift/src/vtable.rs b/compiler/rustc_codegen_cranelift/src/vtable.rs index 82b6178be9d..a460023b59c 100644 --- a/compiler/rustc_codegen_cranelift/src/vtable.rs +++ b/compiler/rustc_codegen_cranelift/src/vtable.rs @@ -90,7 +90,7 @@ pub(crate) fn get_ptr_and_method_ref<'tcx>( pub(crate) fn get_vtable<'tcx>( fx: &mut FunctionCx<'_, '_, 'tcx>, ty: Ty<'tcx>, - trait_ref: Option<ty::PolyExistentialTraitRef<'tcx>>, + trait_ref: Option<ty::ExistentialTraitRef<'tcx>>, ) -> Value { let data_id = data_id_for_vtable(fx.tcx, &mut fx.constants_cx, fx.module, ty, trait_ref); let local_data_id = fx.module.declare_data_in_func(data_id, fx.bcx.func); diff --git a/compiler/rustc_codegen_gcc/src/common.rs b/compiler/rustc_codegen_gcc/src/common.rs index bd5d6ba387c..20a3482aaa2 100644 --- a/compiler/rustc_codegen_gcc/src/common.rs +++ b/compiler/rustc_codegen_gcc/src/common.rs @@ -234,7 +234,12 @@ impl<'gcc, 'tcx> ConstCodegenMethods<'tcx> for CodegenCx<'gcc, 'tcx> { GlobalAlloc::VTable(ty, dyn_ty) => { let alloc = self .tcx - .global_alloc(self.tcx.vtable_allocation((ty, dyn_ty.principal()))) + .global_alloc(self.tcx.vtable_allocation(( + ty, + dyn_ty.principal().map(|principal| { + self.tcx.instantiate_bound_regions_with_erased(principal) + }), + ))) .unwrap_memory(); let init = const_alloc_to_gcc(self, alloc); self.static_addr_of(init, alloc.inner().align, None) diff --git a/compiler/rustc_codegen_gcc/src/context.rs b/compiler/rustc_codegen_gcc/src/context.rs index 30732c74eb3..570ef938dc4 100644 --- a/compiler/rustc_codegen_gcc/src/context.rs +++ b/compiler/rustc_codegen_gcc/src/context.rs @@ -14,7 +14,7 @@ use rustc_middle::ty::layout::{ FnAbiError, FnAbiOf, FnAbiOfHelpers, FnAbiRequest, HasTyCtxt, HasTypingEnv, LayoutError, LayoutOfHelpers, }; -use rustc_middle::ty::{self, Instance, PolyExistentialTraitRef, Ty, TyCtxt}; +use rustc_middle::ty::{self, ExistentialTraitRef, Instance, Ty, TyCtxt}; use rustc_session::Session; use rustc_span::source_map::respan; use rustc_span::{DUMMY_SP, Span}; @@ -90,7 +90,7 @@ pub struct CodegenCx<'gcc, 'tcx> { pub function_instances: RefCell<FxHashMap<Instance<'tcx>, Function<'gcc>>>, /// Cache generated vtables pub vtables: - RefCell<FxHashMap<(Ty<'tcx>, Option<ty::PolyExistentialTraitRef<'tcx>>), RValue<'gcc>>>, + RefCell<FxHashMap<(Ty<'tcx>, Option<ty::ExistentialTraitRef<'tcx>>), RValue<'gcc>>>, // TODO(antoyo): improve the SSA API to not require those. /// Mapping from function pointer type to indexes of on stack parameters. @@ -401,7 +401,7 @@ impl<'gcc, 'tcx> BackendTypes for CodegenCx<'gcc, 'tcx> { impl<'gcc, 'tcx> MiscCodegenMethods<'tcx> for CodegenCx<'gcc, 'tcx> { fn vtables( &self, - ) -> &RefCell<FxHashMap<(Ty<'tcx>, Option<PolyExistentialTraitRef<'tcx>>), RValue<'gcc>>> { + ) -> &RefCell<FxHashMap<(Ty<'tcx>, Option<ExistentialTraitRef<'tcx>>), RValue<'gcc>>> { &self.vtables } diff --git a/compiler/rustc_codegen_gcc/src/debuginfo.rs b/compiler/rustc_codegen_gcc/src/debuginfo.rs index 4b84b1dbfd3..86d3de225f7 100644 --- a/compiler/rustc_codegen_gcc/src/debuginfo.rs +++ b/compiler/rustc_codegen_gcc/src/debuginfo.rs @@ -7,7 +7,7 @@ use rustc_data_structures::sync::Lrc; use rustc_index::bit_set::DenseBitSet; use rustc_index::{Idx, IndexVec}; use rustc_middle::mir::{self, Body, SourceScope}; -use rustc_middle::ty::{Instance, PolyExistentialTraitRef, Ty}; +use rustc_middle::ty::{ExistentialTraitRef, Instance, Ty}; use rustc_session::config::DebugInfo; use rustc_span::{BytePos, Pos, SourceFile, SourceFileAndLine, Span, Symbol}; use rustc_target::abi::Size; @@ -214,7 +214,7 @@ impl<'gcc, 'tcx> DebugInfoCodegenMethods<'tcx> for CodegenCx<'gcc, 'tcx> { fn create_vtable_debuginfo( &self, _ty: Ty<'tcx>, - _trait_ref: Option<PolyExistentialTraitRef<'tcx>>, + _trait_ref: Option<ExistentialTraitRef<'tcx>>, _vtable: Self::Value, ) { // TODO(antoyo) diff --git a/compiler/rustc_codegen_gcc/tests/run/int.rs b/compiler/rustc_codegen_gcc/tests/run/int.rs index bfe73c38435..58a26801b67 100644 --- a/compiler/rustc_codegen_gcc/tests/run/int.rs +++ b/compiler/rustc_codegen_gcc/tests/run/int.rs @@ -3,8 +3,6 @@ // Run-time: // status: 0 -#![feature(const_black_box)] - /* * Code */ diff --git a/compiler/rustc_codegen_llvm/src/builder.rs b/compiler/rustc_codegen_llvm/src/builder.rs index d2de62b17f0..2d007416263 100644 --- a/compiler/rustc_codegen_llvm/src/builder.rs +++ b/compiler/rustc_codegen_llvm/src/builder.rs @@ -1325,7 +1325,9 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> { impl<'ll> StaticBuilderMethods for Builder<'_, 'll, '_> { fn get_static(&mut self, def_id: DefId) -> &'ll Value { // Forward to the `get_static` method of `CodegenCx` - self.cx().get_static(def_id) + let s = self.cx().get_static(def_id); + // Cast to default address space if globals are in a different addrspace + self.cx().const_pointercast(s, self.type_ptr()) } } diff --git a/compiler/rustc_codegen_llvm/src/common.rs b/compiler/rustc_codegen_llvm/src/common.rs index b4e9b9f44f4..8c94a46ebf3 100644 --- a/compiler/rustc_codegen_llvm/src/common.rs +++ b/compiler/rustc_codegen_llvm/src/common.rs @@ -225,6 +225,8 @@ impl<'ll, 'tcx> ConstCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> { llvm::LLVMSetUnnamedAddress(g, llvm::UnnamedAddr::Global); } llvm::set_linkage(g, llvm::Linkage::InternalLinkage); + // Cast to default address space if globals are in a different addrspace + let g = self.const_pointercast(g, self.type_ptr()); (s.to_owned(), g) }) .1; @@ -289,7 +291,7 @@ impl<'ll, 'tcx> ConstCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> { let alloc = alloc.inner(); let value = match alloc.mutability { Mutability::Mut => self.static_addr_of_mut(init, alloc.align, None), - _ => self.static_addr_of(init, alloc.align, None), + _ => self.static_addr_of_impl(init, alloc.align, None), }; if !self.sess().fewer_names() && llvm::get_value_name(value).is_empty() { @@ -312,10 +314,15 @@ impl<'ll, 'tcx> ConstCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> { GlobalAlloc::VTable(ty, dyn_ty) => { let alloc = self .tcx - .global_alloc(self.tcx.vtable_allocation((ty, dyn_ty.principal()))) + .global_alloc(self.tcx.vtable_allocation(( + ty, + dyn_ty.principal().map(|principal| { + self.tcx.instantiate_bound_regions_with_erased(principal) + }), + ))) .unwrap_memory(); let init = const_alloc_to_llvm(self, alloc, /*static*/ false); - let value = self.static_addr_of(init, alloc.inner().align, None); + let value = self.static_addr_of_impl(init, alloc.inner().align, None); (value, AddressSpace::DATA) } GlobalAlloc::Static(def_id) => { @@ -327,7 +334,8 @@ impl<'ll, 'tcx> ConstCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> { let llval = unsafe { llvm::LLVMConstInBoundsGEP2( self.type_i8(), - self.const_bitcast(base_addr, self.type_ptr_ext(base_addr_space)), + // Cast to the required address space if necessary + self.const_pointercast(base_addr, self.type_ptr_ext(base_addr_space)), &self.const_usize(offset.bytes()), 1, ) diff --git a/compiler/rustc_codegen_llvm/src/consts.rs b/compiler/rustc_codegen_llvm/src/consts.rs index c7114480d8b..771ebf2057f 100644 --- a/compiler/rustc_codegen_llvm/src/consts.rs +++ b/compiler/rustc_codegen_llvm/src/consts.rs @@ -210,6 +210,14 @@ impl<'ll> CodegenCx<'ll, '_> { unsafe { llvm::LLVMConstBitCast(val, ty) } } + pub(crate) fn const_pointercast(&self, val: &'ll Value, ty: &'ll Type) -> &'ll Value { + unsafe { llvm::LLVMConstPointerCast(val, ty) } + } + + /// Create a global variable. + /// + /// The returned global variable is a pointer in the default address space for globals. + /// Fails if a symbol with the given name already exists. pub(crate) fn static_addr_of_mut( &self, cv: &'ll Value, @@ -233,6 +241,34 @@ impl<'ll> CodegenCx<'ll, '_> { gv } + /// Create a global constant. + /// + /// The returned global variable is a pointer in the default address space for globals. + pub(crate) fn static_addr_of_impl( + &self, + cv: &'ll Value, + align: Align, + kind: Option<&str>, + ) -> &'ll Value { + if let Some(&gv) = self.const_globals.borrow().get(&cv) { + unsafe { + // Upgrade the alignment in cases where the same constant is used with different + // alignment requirements + let llalign = align.bytes() as u32; + if llalign > llvm::LLVMGetAlignment(gv) { + llvm::LLVMSetAlignment(gv, llalign); + } + } + return gv; + } + let gv = self.static_addr_of_mut(cv, align, kind); + unsafe { + llvm::LLVMSetGlobalConstant(gv, True); + } + self.const_globals.borrow_mut().insert(cv, gv); + gv + } + #[instrument(level = "debug", skip(self))] pub(crate) fn get_static(&self, def_id: DefId) -> &'ll Value { let instance = Instance::mono(self.tcx, def_id); @@ -505,24 +541,15 @@ impl<'ll> CodegenCx<'ll, '_> { } impl<'ll> StaticCodegenMethods for CodegenCx<'ll, '_> { + /// Get a pointer to a global variable. + /// + /// The pointer will always be in the default address space. If global variables default to a + /// different address space, an addrspacecast is inserted. fn static_addr_of(&self, cv: &'ll Value, align: Align, kind: Option<&str>) -> &'ll Value { - if let Some(&gv) = self.const_globals.borrow().get(&cv) { - unsafe { - // Upgrade the alignment in cases where the same constant is used with different - // alignment requirements - let llalign = align.bytes() as u32; - if llalign > llvm::LLVMGetAlignment(gv) { - llvm::LLVMSetAlignment(gv, llalign); - } - } - return gv; - } - let gv = self.static_addr_of_mut(cv, align, kind); - unsafe { - llvm::LLVMSetGlobalConstant(gv, True); - } - self.const_globals.borrow_mut().insert(cv, gv); - gv + let gv = self.static_addr_of_impl(cv, align, kind); + // static_addr_of_impl returns the bare global variable, which might not be in the default + // address space. Cast to the default address space if necessary. + self.const_pointercast(gv, self.type_ptr()) } fn codegen_static(&self, def_id: DefId) { diff --git a/compiler/rustc_codegen_llvm/src/context.rs b/compiler/rustc_codegen_llvm/src/context.rs index 79381f35a3c..ba4fd75fb94 100644 --- a/compiler/rustc_codegen_llvm/src/context.rs +++ b/compiler/rustc_codegen_llvm/src/context.rs @@ -77,8 +77,7 @@ pub(crate) struct CodegenCx<'ll, 'tcx> { /// Cache instances of monomorphic and polymorphic items pub instances: RefCell<FxHashMap<Instance<'tcx>, &'ll Value>>, /// Cache generated vtables - pub vtables: - RefCell<FxHashMap<(Ty<'tcx>, Option<ty::PolyExistentialTraitRef<'tcx>>), &'ll Value>>, + pub vtables: RefCell<FxHashMap<(Ty<'tcx>, Option<ty::ExistentialTraitRef<'tcx>>), &'ll Value>>, /// Cache of constant strings, pub const_str_cache: RefCell<FxHashMap<String, &'ll Value>>, @@ -663,15 +662,14 @@ impl<'ll> SimpleCx<'ll> { impl<'ll, 'tcx> MiscCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> { fn vtables( &self, - ) -> &RefCell<FxHashMap<(Ty<'tcx>, Option<ty::PolyExistentialTraitRef<'tcx>>), &'ll Value>> - { + ) -> &RefCell<FxHashMap<(Ty<'tcx>, Option<ty::ExistentialTraitRef<'tcx>>), &'ll Value>> { &self.vtables } fn apply_vcall_visibility_metadata( &self, ty: Ty<'tcx>, - poly_trait_ref: Option<ty::PolyExistentialTraitRef<'tcx>>, + poly_trait_ref: Option<ty::ExistentialTraitRef<'tcx>>, vtable: &'ll Value, ) { apply_vcall_visibility_metadata(self, ty, poly_trait_ref, vtable); diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs index 2a1a12f3ce5..3a0c7f007bd 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs @@ -13,7 +13,7 @@ use rustc_hir::def_id::{DefId, LOCAL_CRATE}; use rustc_middle::bug; use rustc_middle::ty::layout::{HasTypingEnv, LayoutOf, TyAndLayout}; use rustc_middle::ty::{ - self, AdtKind, CoroutineArgsExt, Instance, PolyExistentialTraitRef, Ty, TyCtxt, Visibility, + self, AdtKind, CoroutineArgsExt, ExistentialTraitRef, Instance, Ty, TyCtxt, Visibility, }; use rustc_session::config::{self, DebugInfo, Lto}; use rustc_span::{DUMMY_SP, FileName, FileNameDisplayPreference, SourceFile, Symbol, hygiene}; @@ -1399,7 +1399,7 @@ pub(crate) fn build_global_var_di_node<'ll>( fn build_vtable_type_di_node<'ll, 'tcx>( cx: &CodegenCx<'ll, 'tcx>, ty: Ty<'tcx>, - poly_trait_ref: Option<ty::PolyExistentialTraitRef<'tcx>>, + poly_trait_ref: Option<ty::ExistentialTraitRef<'tcx>>, ) -> &'ll DIType { let tcx = cx.tcx; @@ -1487,10 +1487,30 @@ fn build_vtable_type_di_node<'ll, 'tcx>( .di_node } +/// Get the global variable for the vtable. +/// +/// When using global variables, we may have created an addrspacecast to get a pointer to the +/// default address space if global variables are created in a different address space. +/// For modifying the vtable, we need the real global variable. This function accepts either a +/// global variable (which is simply returned), or an addrspacecast constant expression. +/// If the given value is an addrspacecast, the cast is removed and the global variable behind +/// the cast is returned. +fn find_vtable_behind_cast<'ll>(vtable: &'ll Value) -> &'ll Value { + // The vtable is a global variable, which may be behind an addrspacecast. + unsafe { + if let Some(c) = llvm::LLVMIsAConstantExpr(vtable) { + if llvm::LLVMGetConstOpcode(c) == llvm::Opcode::AddrSpaceCast { + return llvm::LLVMGetOperand(c, 0).unwrap(); + } + } + } + vtable +} + pub(crate) fn apply_vcall_visibility_metadata<'ll, 'tcx>( cx: &CodegenCx<'ll, 'tcx>, ty: Ty<'tcx>, - trait_ref: Option<PolyExistentialTraitRef<'tcx>>, + trait_ref: Option<ExistentialTraitRef<'tcx>>, vtable: &'ll Value, ) { // FIXME(flip1995): The virtual function elimination optimization only works with full LTO in @@ -1507,9 +1527,11 @@ pub(crate) fn apply_vcall_visibility_metadata<'ll, 'tcx>( let Some(trait_ref) = trait_ref else { return }; + // Unwrap potential addrspacecast + let vtable = find_vtable_behind_cast(vtable); let trait_ref_self = trait_ref.with_self_ty(cx.tcx, ty); let trait_ref_self = cx.tcx.erase_regions(trait_ref_self); - let trait_def_id = trait_ref_self.def_id(); + let trait_def_id = trait_ref_self.def_id; let trait_vis = cx.tcx.visibility(trait_def_id); let cgus = cx.sess().codegen_units().as_usize(); @@ -1568,7 +1590,7 @@ pub(crate) fn apply_vcall_visibility_metadata<'ll, 'tcx>( pub(crate) fn create_vtable_di_node<'ll, 'tcx>( cx: &CodegenCx<'ll, 'tcx>, ty: Ty<'tcx>, - poly_trait_ref: Option<ty::PolyExistentialTraitRef<'tcx>>, + poly_trait_ref: Option<ty::ExistentialTraitRef<'tcx>>, vtable: &'ll Value, ) { if cx.dbg_cx.is_none() { @@ -1580,6 +1602,9 @@ pub(crate) fn create_vtable_di_node<'ll, 'tcx>( return; } + // Unwrap potential addrspacecast + let vtable = find_vtable_behind_cast(vtable); + // When full debuginfo is enabled, we want to try and prevent vtables from being // merged. Otherwise debuggers will have a hard time mapping from dyn pointer // to concrete type. diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/type_map.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/type_map.rs index a37e719d43f..af1d503ad6a 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/type_map.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/type_map.rs @@ -6,7 +6,7 @@ use rustc_data_structures::fx::FxHashMap; use rustc_data_structures::stable_hasher::{HashStable, StableHasher}; use rustc_macros::HashStable; use rustc_middle::bug; -use rustc_middle::ty::{self, PolyExistentialTraitRef, Ty, TyCtxt}; +use rustc_middle::ty::{self, ExistentialTraitRef, Ty, TyCtxt}; use super::{DefinitionLocation, SmallVec, UNKNOWN_LINE_NUMBER, unknown_file_metadata}; use crate::common::{AsCCharPtr, CodegenCx}; @@ -44,7 +44,7 @@ pub(super) enum UniqueTypeId<'tcx> { /// The ID for the additional wrapper struct type describing an enum variant in CPP-like mode. VariantStructTypeCppLikeWrapper(Ty<'tcx>, VariantIdx, private::HiddenZst), /// The ID of the artificial type we create for VTables. - VTableTy(Ty<'tcx>, Option<PolyExistentialTraitRef<'tcx>>, private::HiddenZst), + VTableTy(Ty<'tcx>, Option<ExistentialTraitRef<'tcx>>, private::HiddenZst), } impl<'tcx> UniqueTypeId<'tcx> { @@ -88,7 +88,7 @@ impl<'tcx> UniqueTypeId<'tcx> { pub(crate) fn for_vtable_ty( tcx: TyCtxt<'tcx>, self_type: Ty<'tcx>, - implemented_trait: Option<PolyExistentialTraitRef<'tcx>>, + implemented_trait: Option<ExistentialTraitRef<'tcx>>, ) -> Self { assert_eq!( self_type, diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs index 5089560784a..b1ce52667bd 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs @@ -588,7 +588,7 @@ impl<'ll, 'tcx> DebugInfoCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> { fn create_vtable_debuginfo( &self, ty: Ty<'tcx>, - trait_ref: Option<ty::PolyExistentialTraitRef<'tcx>>, + trait_ref: Option<ty::ExistentialTraitRef<'tcx>>, vtable: Self::Value, ) { metadata::create_vtable_di_node(self, ty, trait_ref, vtable) diff --git a/compiler/rustc_codegen_llvm/src/intrinsic.rs b/compiler/rustc_codegen_llvm/src/intrinsic.rs index eab4a9f30c9..43d6ccfcb4a 100644 --- a/compiler/rustc_codegen_llvm/src/intrinsic.rs +++ b/compiler/rustc_codegen_llvm/src/intrinsic.rs @@ -1329,7 +1329,7 @@ fn generic_simd_intrinsic<'ll, 'tcx>( } if name == sym::simd_shuffle_generic { - let idx = fn_args[2].expect_const().try_to_valtree().unwrap().0.unwrap_branch(); + let idx = fn_args[2].expect_const().to_value().valtree.unwrap_branch(); let n = idx.len() as u64; let (out_len, out_ty) = require_simd!(ret_ty, SimdReturn); diff --git a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs index 009d15a932f..cc7c5231aca 100644 --- a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs +++ b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs @@ -661,6 +661,79 @@ pub enum MemoryEffects { InaccessibleMemOnly, } +/// LLVMOpcode +#[derive(Copy, Clone, PartialEq, Eq)] +#[repr(C)] +pub enum Opcode { + Ret = 1, + Br = 2, + Switch = 3, + IndirectBr = 4, + Invoke = 5, + Unreachable = 7, + CallBr = 67, + FNeg = 66, + Add = 8, + FAdd = 9, + Sub = 10, + FSub = 11, + Mul = 12, + FMul = 13, + UDiv = 14, + SDiv = 15, + FDiv = 16, + URem = 17, + SRem = 18, + FRem = 19, + Shl = 20, + LShr = 21, + AShr = 22, + And = 23, + Or = 24, + Xor = 25, + Alloca = 26, + Load = 27, + Store = 28, + GetElementPtr = 29, + Trunc = 30, + ZExt = 31, + SExt = 32, + FPToUI = 33, + FPToSI = 34, + UIToFP = 35, + SIToFP = 36, + FPTrunc = 37, + FPExt = 38, + PtrToInt = 39, + IntToPtr = 40, + BitCast = 41, + AddrSpaceCast = 60, + ICmp = 42, + FCmp = 43, + PHI = 44, + Call = 45, + Select = 46, + UserOp1 = 47, + UserOp2 = 48, + VAArg = 49, + ExtractElement = 50, + InsertElement = 51, + ShuffleVector = 52, + ExtractValue = 53, + InsertValue = 54, + Freeze = 68, + Fence = 55, + AtomicCmpXchg = 56, + AtomicRMW = 57, + Resume = 58, + LandingPad = 59, + CleanupRet = 61, + CatchRet = 62, + CatchPad = 63, + CleanupPad = 64, + CatchSwitch = 65, +} + unsafe extern "C" { type Opaque; } @@ -991,7 +1064,10 @@ unsafe extern "C" { pub fn LLVMConstPtrToInt<'a>(ConstantVal: &'a Value, ToType: &'a Type) -> &'a Value; pub fn LLVMConstIntToPtr<'a>(ConstantVal: &'a Value, ToType: &'a Type) -> &'a Value; pub fn LLVMConstBitCast<'a>(ConstantVal: &'a Value, ToType: &'a Type) -> &'a Value; + pub fn LLVMConstPointerCast<'a>(ConstantVal: &'a Value, ToType: &'a Type) -> &'a Value; pub fn LLVMGetAggregateElement(ConstantVal: &Value, Idx: c_uint) -> Option<&Value>; + pub fn LLVMGetConstOpcode(ConstantVal: &Value) -> Opcode; + pub fn LLVMIsAConstantExpr(Val: &Value) -> Option<&Value>; // Operations on global variables, functions, and aliases (globals) pub fn LLVMIsDeclaration(Global: &Value) -> Bool; @@ -1048,6 +1124,7 @@ unsafe extern "C" { // Operations on instructions pub fn LLVMIsAInstruction(Val: &Value) -> Option<&Value>; pub fn LLVMGetFirstBasicBlock(Fn: &Value) -> &BasicBlock; + pub fn LLVMGetOperand(Val: &Value, Index: c_uint) -> Option<&Value>; // Operations on call sites pub fn LLVMSetInstructionCallConv(Instr: &Value, CC: c_uint); diff --git a/compiler/rustc_codegen_ssa/messages.ftl b/compiler/rustc_codegen_ssa/messages.ftl index de37de09f5a..186b8171dd8 100644 --- a/compiler/rustc_codegen_ssa/messages.ftl +++ b/compiler/rustc_codegen_ssa/messages.ftl @@ -30,6 +30,8 @@ codegen_ssa_copy_path = could not copy {$from} to {$to}: {$error} codegen_ssa_copy_path_buf = unable to copy {$source_file} to {$output_path}: {$error} +codegen_ssa_cpu_required = target requires explicitly specifying a cpu with `-C target-cpu` + codegen_ssa_create_temp_dir = couldn't create a temp dir: {$error} codegen_ssa_dlltool_fail_import_library = diff --git a/compiler/rustc_codegen_ssa/src/base.rs b/compiler/rustc_codegen_ssa/src/base.rs index e438bd70c51..ee98c8c4861 100644 --- a/compiler/rustc_codegen_ssa/src/base.rs +++ b/compiler/rustc_codegen_ssa/src/base.rs @@ -25,7 +25,6 @@ use rustc_middle::ty::{self, Instance, Ty, TyCtxt}; use rustc_session::Session; use rustc_session::config::{self, CrateType, EntryFnType, OptLevel, OutputType}; use rustc_span::{DUMMY_SP, Symbol, sym}; -use rustc_trait_selection::infer::at::ToTrace; use rustc_trait_selection::infer::{BoundRegionConversionTime, TyCtxtInferExt}; use rustc_trait_selection::traits::{ObligationCause, ObligationCtxt}; use tracing::{debug, info}; @@ -129,14 +128,9 @@ pub fn validate_trivial_unsize<'tcx>( BoundRegionConversionTime::HigherRankedType, hr_source_principal, ); - let Ok(()) = ocx.eq_trace( + let Ok(()) = ocx.eq( &ObligationCause::dummy(), param_env, - ToTrace::to_trace( - &ObligationCause::dummy(), - hr_target_principal, - hr_source_principal, - ), target_principal, source_principal, ) else { @@ -211,7 +205,12 @@ fn unsized_info<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( old_info } } - (_, ty::Dynamic(data, _, _)) => meth::get_vtable(cx, source, data.principal()), + (_, ty::Dynamic(data, _, _)) => meth::get_vtable( + cx, + source, + data.principal() + .map(|principal| bx.tcx().instantiate_bound_regions_with_erased(principal)), + ), _ => bug!("unsized_info: invalid unsizing {:?} -> {:?}", source, target), } } @@ -615,6 +614,11 @@ pub fn codegen_crate<B: ExtraBackendMethods>( return ongoing_codegen; } + if tcx.sess.target.need_explicit_cpu && tcx.sess.opts.cg.target_cpu.is_none() { + // The target has no default cpu, but none is set explicitly + tcx.dcx().emit_fatal(errors::CpuRequired); + } + let cgu_name_builder = &mut CodegenUnitNameBuilder::new(tcx); // Run the monomorphization collector and partition the collected items into diff --git a/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs b/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs index 869798d8be1..05175371591 100644 --- a/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs +++ b/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs @@ -507,7 +507,7 @@ pub enum VTableNameKind { pub fn compute_debuginfo_vtable_name<'tcx>( tcx: TyCtxt<'tcx>, t: Ty<'tcx>, - trait_ref: Option<ty::PolyExistentialTraitRef<'tcx>>, + trait_ref: Option<ty::ExistentialTraitRef<'tcx>>, kind: VTableNameKind, ) -> String { let cpp_like_debuginfo = cpp_like_debuginfo(tcx); @@ -530,8 +530,8 @@ pub fn compute_debuginfo_vtable_name<'tcx>( } if let Some(trait_ref) = trait_ref { - let trait_ref = tcx - .normalize_erasing_late_bound_regions(ty::TypingEnv::fully_monomorphized(), trait_ref); + let trait_ref = + tcx.normalize_erasing_regions(ty::TypingEnv::fully_monomorphized(), trait_ref); push_item_name(tcx, trait_ref.def_id, true, &mut vtable_name); visited.clear(); push_generic_params_internal(tcx, trait_ref.args, &mut vtable_name, &mut visited); @@ -673,25 +673,23 @@ fn push_const_param<'tcx>(tcx: TyCtxt<'tcx>, ct: ty::Const<'tcx>, output: &mut S ty::ConstKind::Param(param) => { write!(output, "{}", param.name) } - ty::ConstKind::Value(ty, valtree) => { - match ty.kind() { + ty::ConstKind::Value(cv) => { + match cv.ty.kind() { ty::Int(ity) => { - // FIXME: directly extract the bits from a valtree instead of evaluating an - // already evaluated `Const` in order to get the bits. - let bits = ct + let bits = cv .try_to_bits(tcx, ty::TypingEnv::fully_monomorphized()) .expect("expected monomorphic const in codegen"); let val = Integer::from_int_ty(&tcx, *ity).size().sign_extend(bits) as i128; write!(output, "{val}") } ty::Uint(_) => { - let val = ct + let val = cv .try_to_bits(tcx, ty::TypingEnv::fully_monomorphized()) .expect("expected monomorphic const in codegen"); write!(output, "{val}") } ty::Bool => { - let val = ct.try_to_bool().expect("expected monomorphic const in codegen"); + let val = cv.try_to_bool().expect("expected monomorphic const in codegen"); write!(output, "{val}") } _ => { @@ -703,9 +701,7 @@ fn push_const_param<'tcx>(tcx: TyCtxt<'tcx>, ct: ty::Const<'tcx>, output: &mut S // avoiding collisions and will make the emitted type names shorter. let hash_short = tcx.with_stable_hashing_context(|mut hcx| { let mut hasher = StableHasher::new(); - hcx.while_hashing_spans(false, |hcx| { - (ty, valtree).hash_stable(hcx, &mut hasher) - }); + hcx.while_hashing_spans(false, |hcx| cv.hash_stable(hcx, &mut hasher)); hasher.finish::<Hash64>() }); diff --git a/compiler/rustc_codegen_ssa/src/errors.rs b/compiler/rustc_codegen_ssa/src/errors.rs index 5e684632fb2..f3afb37a9ef 100644 --- a/compiler/rustc_codegen_ssa/src/errors.rs +++ b/compiler/rustc_codegen_ssa/src/errors.rs @@ -524,6 +524,10 @@ pub(crate) struct CheckInstalledVisualStudio; pub(crate) struct InsufficientVSCodeProduct; #[derive(Diagnostic)] +#[diag(codegen_ssa_cpu_required)] +pub(crate) struct CpuRequired; + +#[derive(Diagnostic)] #[diag(codegen_ssa_processing_dymutil_failed)] #[note] pub(crate) struct ProcessingDymutilFailed { diff --git a/compiler/rustc_codegen_ssa/src/meth.rs b/compiler/rustc_codegen_ssa/src/meth.rs index 64cd4c38937..399c592432a 100644 --- a/compiler/rustc_codegen_ssa/src/meth.rs +++ b/compiler/rustc_codegen_ssa/src/meth.rs @@ -1,5 +1,5 @@ use rustc_middle::bug; -use rustc_middle::ty::{self, GenericArgKind, Ty}; +use rustc_middle::ty::{self, GenericArgKind, Ty, TyCtxt}; use rustc_session::config::Lto; use rustc_symbol_mangling::typeid_for_trait_ref; use rustc_target::callconv::FnAbi; @@ -72,12 +72,19 @@ impl<'a, 'tcx> VirtualIndex { /// This takes a valid `self` receiver type and extracts the principal trait /// ref of the type. Return `None` if there is no principal trait. -fn dyn_trait_in_self(ty: Ty<'_>) -> Option<ty::PolyExistentialTraitRef<'_>> { +fn dyn_trait_in_self<'tcx>( + tcx: TyCtxt<'tcx>, + ty: Ty<'tcx>, +) -> Option<ty::ExistentialTraitRef<'tcx>> { for arg in ty.peel_refs().walk() { if let GenericArgKind::Type(ty) = arg.unpack() && let ty::Dynamic(data, _, _) = ty.kind() { - return data.principal(); + // FIXME(arbitrary_self_types): This is likely broken for receivers which + // have a "non-self" trait objects as a generic argument. + return data + .principal() + .map(|principal| tcx.instantiate_bound_regions_with_erased(principal)); } } @@ -96,7 +103,7 @@ fn dyn_trait_in_self(ty: Ty<'_>) -> Option<ty::PolyExistentialTraitRef<'_>> { pub(crate) fn get_vtable<'tcx, Cx: CodegenMethods<'tcx>>( cx: &Cx, ty: Ty<'tcx>, - trait_ref: Option<ty::PolyExistentialTraitRef<'tcx>>, + trait_ref: Option<ty::ExistentialTraitRef<'tcx>>, ) -> Cx::Value { let tcx = cx.tcx(); @@ -131,7 +138,7 @@ pub(crate) fn load_vtable<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( if bx.cx().sess().opts.unstable_opts.virtual_function_elimination && bx.cx().sess().lto() == Lto::Fat { - if let Some(trait_ref) = dyn_trait_in_self(ty) { + if let Some(trait_ref) = dyn_trait_in_self(bx.tcx(), ty) { let typeid = bx.typeid_metadata(typeid_for_trait_ref(bx.tcx(), trait_ref)).unwrap(); let func = bx.type_checked_load(llvtable, vtable_byte_offset, typeid); return func; diff --git a/compiler/rustc_codegen_ssa/src/mir/constant.rs b/compiler/rustc_codegen_ssa/src/mir/constant.rs index 7676e1e171a..eafc551501c 100644 --- a/compiler/rustc_codegen_ssa/src/mir/constant.rs +++ b/compiler/rustc_codegen_ssa/src/mir/constant.rs @@ -43,7 +43,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { mir::Const::Ty(_, c) => match c.kind() { // A constant that came from a const generic but was then used as an argument to // old-style simd_shuffle (passing as argument instead of as a generic param). - rustc_type_ir::ConstKind::Value(_, valtree) => return Ok(Ok(valtree)), + rustc_type_ir::ConstKind::Value(cv) => return Ok(Ok(cv.valtree)), other => span_bug!(constant.span, "{other:#?}"), }, // We should never encounter `Const::Val` unless MIR opts (like const prop) evaluate diff --git a/compiler/rustc_codegen_ssa/src/traits/debuginfo.rs b/compiler/rustc_codegen_ssa/src/traits/debuginfo.rs index fe135e911fb..30d77c206a5 100644 --- a/compiler/rustc_codegen_ssa/src/traits/debuginfo.rs +++ b/compiler/rustc_codegen_ssa/src/traits/debuginfo.rs @@ -2,7 +2,7 @@ use std::ops::Range; use rustc_abi::Size; use rustc_middle::mir; -use rustc_middle::ty::{Instance, PolyExistentialTraitRef, Ty}; +use rustc_middle::ty::{ExistentialTraitRef, Instance, Ty}; use rustc_span::{SourceFile, Span, Symbol}; use rustc_target::callconv::FnAbi; @@ -13,7 +13,7 @@ pub trait DebugInfoCodegenMethods<'tcx>: BackendTypes { fn create_vtable_debuginfo( &self, ty: Ty<'tcx>, - trait_ref: Option<PolyExistentialTraitRef<'tcx>>, + trait_ref: Option<ExistentialTraitRef<'tcx>>, vtable: Self::Value, ); diff --git a/compiler/rustc_codegen_ssa/src/traits/misc.rs b/compiler/rustc_codegen_ssa/src/traits/misc.rs index 5b33fd7ab10..4004947b464 100644 --- a/compiler/rustc_codegen_ssa/src/traits/misc.rs +++ b/compiler/rustc_codegen_ssa/src/traits/misc.rs @@ -10,11 +10,11 @@ use super::BackendTypes; pub trait MiscCodegenMethods<'tcx>: BackendTypes { fn vtables( &self, - ) -> &RefCell<FxHashMap<(Ty<'tcx>, Option<ty::PolyExistentialTraitRef<'tcx>>), Self::Value>>; + ) -> &RefCell<FxHashMap<(Ty<'tcx>, Option<ty::ExistentialTraitRef<'tcx>>), Self::Value>>; fn apply_vcall_visibility_metadata( &self, _ty: Ty<'tcx>, - _poly_trait_ref: Option<ty::PolyExistentialTraitRef<'tcx>>, + _poly_trait_ref: Option<ty::ExistentialTraitRef<'tcx>>, _vtable: Self::Value, ) { } diff --git a/compiler/rustc_const_eval/src/check_consts/check.rs b/compiler/rustc_const_eval/src/check_consts/check.rs index 16ead1b9785..4834fd3d34c 100644 --- a/compiler/rustc_const_eval/src/check_consts/check.rs +++ b/compiler/rustc_const_eval/src/check_consts/check.rs @@ -634,7 +634,12 @@ impl<'tcx> Visitor<'tcx> for Checker<'_, 'tcx> { Rvalue::RawPtr(RawPtrKind::FakeForPtrMetadata, place) => { // These are only inserted for slice length, so the place must already be indirect. // This implies we do not have to worry about whether the borrow escapes. - assert!(place.is_indirect(), "fake borrows are always indirect"); + if !place.is_indirect() { + self.tcx.dcx().span_delayed_bug( + self.body.source_info(location).span, + "fake borrows are always indirect", + ); + } } Rvalue::Cast( diff --git a/compiler/rustc_const_eval/src/check_consts/qualifs.rs b/compiler/rustc_const_eval/src/check_consts/qualifs.rs index e244b50a4b5..5d368b600a0 100644 --- a/compiler/rustc_const_eval/src/check_consts/qualifs.rs +++ b/compiler/rustc_const_eval/src/check_consts/qualifs.rs @@ -345,7 +345,7 @@ where Const::Ty(_, ct) if matches!( ct.kind(), - ty::ConstKind::Param(_) | ty::ConstKind::Error(_) | ty::ConstKind::Value(_, _) + ty::ConstKind::Param(_) | ty::ConstKind::Error(_) | ty::ConstKind::Value(_) ) => { None diff --git a/compiler/rustc_const_eval/src/const_eval/valtrees.rs b/compiler/rustc_const_eval/src/const_eval/valtrees.rs index 4ff8aa9a3b4..4d625f76aba 100644 --- a/compiler/rustc_const_eval/src/const_eval/valtrees.rs +++ b/compiler/rustc_const_eval/src/const_eval/valtrees.rs @@ -272,7 +272,8 @@ pub(crate) fn eval_to_valtree<'tcx>( /// Converts a `ValTree` to a `ConstValue`, which is needed after mir /// construction has finished. -// FIXME Merge `valtree_to_const_value` and `valtree_into_mplace` into one function +// FIXME(valtrees): Merge `valtree_to_const_value` and `valtree_into_mplace` into one function +// FIXME(valtrees): Accept `ty::Value` instead of `Ty` and `ty::ValTree` separately. #[instrument(skip(tcx), level = "debug", ret)] pub fn valtree_to_const_value<'tcx>( tcx: TyCtxt<'tcx>, diff --git a/compiler/rustc_const_eval/src/interpret/call.rs b/compiler/rustc_const_eval/src/interpret/call.rs index e6a34193c9d..e2e6e16d8a7 100644 --- a/compiler/rustc_const_eval/src/interpret/call.rs +++ b/compiler/rustc_const_eval/src/interpret/call.rs @@ -5,6 +5,7 @@ use std::borrow::Cow; use either::{Left, Right}; use rustc_abi::{self as abi, ExternAbi, FieldIdx, Integer, VariantIdx}; +use rustc_hir::def_id::DefId; use rustc_middle::ty::layout::{FnAbiOf, IntegerExt, LayoutOf, TyAndLayout}; use rustc_middle::ty::{self, AdtDef, Instance, Ty, VariantDef}; use rustc_middle::{bug, mir, span_bug}; @@ -693,25 +694,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { trace!("Virtual call dispatches to {fn_inst:#?}"); // We can also do the lookup based on `def_id` and `dyn_ty`, and check that that // produces the same result. - if cfg!(debug_assertions) { - let tcx = *self.tcx; - - let trait_def_id = tcx.trait_of_item(def_id).unwrap(); - let virtual_trait_ref = - ty::TraitRef::from_method(tcx, trait_def_id, instance.args); - let existential_trait_ref = - ty::ExistentialTraitRef::erase_self_ty(tcx, virtual_trait_ref); - let concrete_trait_ref = existential_trait_ref.with_self_ty(tcx, dyn_ty); - - let concrete_method = Instance::expect_resolve_for_vtable( - tcx, - self.typing_env, - def_id, - instance.args.rebase_onto(tcx, trait_def_id, concrete_trait_ref.args), - self.cur_span(), - ); - assert_eq!(fn_inst, concrete_method); - } + self.assert_virtual_instance_matches_concrete(dyn_ty, def_id, instance, fn_inst); // Adjust receiver argument. Layout can be any (thin) ptr. let receiver_ty = Ty::new_mut_ptr(self.tcx.tcx, dyn_ty); @@ -744,6 +727,30 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { } } + fn assert_virtual_instance_matches_concrete( + &self, + dyn_ty: Ty<'tcx>, + def_id: DefId, + virtual_instance: ty::Instance<'tcx>, + concrete_instance: ty::Instance<'tcx>, + ) { + let tcx = *self.tcx; + + let trait_def_id = tcx.trait_of_item(def_id).unwrap(); + let virtual_trait_ref = ty::TraitRef::from_method(tcx, trait_def_id, virtual_instance.args); + let existential_trait_ref = ty::ExistentialTraitRef::erase_self_ty(tcx, virtual_trait_ref); + let concrete_trait_ref = existential_trait_ref.with_self_ty(tcx, dyn_ty); + + let concrete_method = Instance::expect_resolve_for_vtable( + tcx, + self.typing_env, + def_id, + virtual_instance.args.rebase_onto(tcx, trait_def_id, concrete_trait_ref.args), + self.cur_span(), + ); + assert_eq!(concrete_instance, concrete_method); + } + /// Initiate a tail call to this function -- popping the current stack frame, pushing the new /// stack frame and initializing the arguments. pub(super) fn init_fn_tail_call( diff --git a/compiler/rustc_const_eval/src/interpret/cast.rs b/compiler/rustc_const_eval/src/interpret/cast.rs index ef3e96784ce..e110c155da0 100644 --- a/compiler/rustc_const_eval/src/interpret/cast.rs +++ b/compiler/rustc_const_eval/src/interpret/cast.rs @@ -414,36 +414,33 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { // Sanity-check that `supertrait_vtable_slot` in this type's vtable indeed produces // our destination trait. - if cfg!(debug_assertions) { - let vptr_entry_idx = - self.tcx.supertrait_vtable_slot((src_pointee_ty, dest_pointee_ty)); - let vtable_entries = self.vtable_entries(data_a.principal(), ty); - if let Some(entry_idx) = vptr_entry_idx { - let Some(&ty::VtblEntry::TraitVPtr(upcast_trait_ref)) = - vtable_entries.get(entry_idx) - else { - span_bug!( - self.cur_span(), - "invalid vtable entry index in {} -> {} upcast", - src_pointee_ty, - dest_pointee_ty - ); - }; - let erased_trait_ref = upcast_trait_ref - .map_bound(|r| ty::ExistentialTraitRef::erase_self_ty(*self.tcx, r)); - assert!( - data_b - .principal() - .is_some_and(|b| self.eq_in_param_env(erased_trait_ref, b)) + let vptr_entry_idx = + self.tcx.supertrait_vtable_slot((src_pointee_ty, dest_pointee_ty)); + let vtable_entries = self.vtable_entries(data_a.principal(), ty); + if let Some(entry_idx) = vptr_entry_idx { + let Some(&ty::VtblEntry::TraitVPtr(upcast_trait_ref)) = + vtable_entries.get(entry_idx) + else { + span_bug!( + self.cur_span(), + "invalid vtable entry index in {} -> {} upcast", + src_pointee_ty, + dest_pointee_ty ); - } else { - // In this case codegen would keep using the old vtable. We don't want to do - // that as it has the wrong trait. The reason codegen can do this is that - // one vtable is a prefix of the other, so we double-check that. - let vtable_entries_b = self.vtable_entries(data_b.principal(), ty); - assert!(&vtable_entries[..vtable_entries_b.len()] == vtable_entries_b); }; - } + let erased_trait_ref = + ty::ExistentialTraitRef::erase_self_ty(*self.tcx, upcast_trait_ref); + assert!(data_b.principal().is_some_and(|b| self.eq_in_param_env( + erased_trait_ref, + self.tcx.instantiate_bound_regions_with_erased(b) + ))); + } else { + // In this case codegen would keep using the old vtable. We don't want to do + // that as it has the wrong trait. The reason codegen can do this is that + // one vtable is a prefix of the other, so we double-check that. + let vtable_entries_b = self.vtable_entries(data_b.principal(), ty); + assert!(&vtable_entries[..vtable_entries_b.len()] == vtable_entries_b); + }; // Get the destination trait vtable and return that. let new_vptr = self.get_vtable_ptr(ty, data_b)?; diff --git a/compiler/rustc_const_eval/src/interpret/traits.rs b/compiler/rustc_const_eval/src/interpret/traits.rs index af8d618b6b5..4cfaacebfcd 100644 --- a/compiler/rustc_const_eval/src/interpret/traits.rs +++ b/compiler/rustc_const_eval/src/interpret/traits.rs @@ -54,7 +54,8 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { ) -> &'tcx [VtblEntry<'tcx>] { if let Some(trait_) = trait_ { let trait_ref = trait_.with_self_ty(*self.tcx, dyn_ty); - let trait_ref = self.tcx.erase_regions(trait_ref); + let trait_ref = + self.tcx.erase_regions(self.tcx.instantiate_bound_regions_with_erased(trait_ref)); self.tcx.vtable_entries(trait_ref) } else { TyCtxt::COMMON_VTABLE_ENTRIES diff --git a/compiler/rustc_const_eval/src/lib.rs b/compiler/rustc_const_eval/src/lib.rs index b5adf06b300..ecf9745b779 100644 --- a/compiler/rustc_const_eval/src/lib.rs +++ b/compiler/rustc_const_eval/src/lib.rs @@ -46,8 +46,13 @@ pub fn provide(providers: &mut Providers) { }; providers.hooks.try_destructure_mir_constant_for_user_output = const_eval::try_destructure_mir_constant_for_user_output; - providers.valtree_to_const_val = |tcx, (ty, valtree)| { - const_eval::valtree_to_const_value(tcx, ty::TypingEnv::fully_monomorphized(), ty, valtree) + providers.valtree_to_const_val = |tcx, cv| { + const_eval::valtree_to_const_value( + tcx, + ty::TypingEnv::fully_monomorphized(), + cv.ty, + cv.valtree, + ) }; providers.check_validity_requirement = |tcx, (init_kind, param_env_and_ty)| { util::check_validity_requirement(tcx, init_kind, param_env_and_ty) diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs index 17433eed9e7..684fc5e37e0 100644 --- a/compiler/rustc_feature/src/builtin_attrs.rs +++ b/compiler/rustc_feature/src/builtin_attrs.rs @@ -1136,7 +1136,7 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ ), rustc_attr!( TEST, rustc_dump_vtable, Normal, template!(Word), - WarnFollowing, EncodeCrossCrate::Yes + WarnFollowing, EncodeCrossCrate::No ), rustc_attr!( TEST, rustc_dummy, Normal, template!(Word /* doesn't matter*/), diff --git a/compiler/rustc_hir_analysis/src/coherence/mod.rs b/compiler/rustc_hir_analysis/src/coherence/mod.rs index 4e5f0a3186a..07ba6033a9f 100644 --- a/compiler/rustc_hir_analysis/src/coherence/mod.rs +++ b/compiler/rustc_hir_analysis/src/coherence/mod.rs @@ -199,10 +199,9 @@ fn check_object_overlap<'tcx>( for component_def_id in component_def_ids { if !tcx.is_dyn_compatible(component_def_id) { - // FIXME(dyn_compat_renaming): Rename test and update comment. // Without the 'dyn_compatible_for_dispatch' feature this is an error // which will be reported by wfcheck. Ignore it here. - // This is tested by `coherence-impl-trait-for-trait-object-safe.rs`. + // This is tested by `coherence-impl-trait-for-trait-dyn-compatible.rs`. // With the feature enabled, the trait is not implemented automatically, // so this is valid. } else { diff --git a/compiler/rustc_hir_analysis/src/collect/dump.rs b/compiler/rustc_hir_analysis/src/collect/dump.rs index f1022d95753..4a508fc0cf6 100644 --- a/compiler/rustc_hir_analysis/src/collect/dump.rs +++ b/compiler/rustc_hir_analysis/src/collect/dump.rs @@ -1,7 +1,8 @@ +use rustc_hir as hir; use rustc_hir::def_id::{CRATE_DEF_ID, LocalDefId}; use rustc_hir::intravisit; use rustc_middle::hir::nested_filter; -use rustc_middle::ty::TyCtxt; +use rustc_middle::ty::{self, TyCtxt, TypeVisitableExt}; use rustc_span::sym; pub(crate) fn opaque_hidden_types(tcx: TyCtxt<'_>) { @@ -87,3 +88,82 @@ pub(crate) fn def_parents(tcx: TyCtxt<'_>) { } } } + +pub(crate) fn vtables<'tcx>(tcx: TyCtxt<'tcx>) { + for id in tcx.hir().items() { + let def_id = id.owner_id.def_id; + + let Some(attr) = tcx.get_attr(def_id, sym::rustc_dump_vtable) else { + continue; + }; + + let vtable_entries = match tcx.hir().item(id).kind { + hir::ItemKind::Impl(hir::Impl { of_trait: Some(_), .. }) => { + let trait_ref = tcx.impl_trait_ref(def_id).unwrap().instantiate_identity(); + if trait_ref.has_non_region_param() { + tcx.dcx().span_err( + attr.span, + "`rustc_dump_vtable` must be applied to non-generic impl", + ); + continue; + } + if !tcx.is_dyn_compatible(trait_ref.def_id) { + tcx.dcx().span_err( + attr.span, + "`rustc_dump_vtable` must be applied to dyn-compatible trait", + ); + continue; + } + let Ok(trait_ref) = tcx + .try_normalize_erasing_regions(ty::TypingEnv::fully_monomorphized(), trait_ref) + else { + tcx.dcx().span_err( + attr.span, + "`rustc_dump_vtable` applied to impl header that cannot be normalized", + ); + continue; + }; + tcx.vtable_entries(trait_ref) + } + hir::ItemKind::TyAlias(_, _) => { + let ty = tcx.type_of(def_id).instantiate_identity(); + if ty.has_non_region_param() { + tcx.dcx().span_err( + attr.span, + "`rustc_dump_vtable` must be applied to non-generic type", + ); + continue; + } + let Ok(ty) = + tcx.try_normalize_erasing_regions(ty::TypingEnv::fully_monomorphized(), ty) + else { + tcx.dcx().span_err( + attr.span, + "`rustc_dump_vtable` applied to type alias that cannot be normalized", + ); + continue; + }; + let ty::Dynamic(data, _, _) = *ty.kind() else { + tcx.dcx().span_err(attr.span, "`rustc_dump_vtable` to type alias of dyn type"); + continue; + }; + if let Some(principal) = data.principal() { + tcx.vtable_entries( + tcx.instantiate_bound_regions_with_erased(principal).with_self_ty(tcx, ty), + ) + } else { + TyCtxt::COMMON_VTABLE_ENTRIES + } + } + _ => { + tcx.dcx().span_err( + attr.span, + "`rustc_dump_vtable` only applies to impl, or type alias of dyn type", + ); + continue; + } + }; + + tcx.dcx().span_err(tcx.def_span(def_id), format!("vtable entries: {vtable_entries:#?}")); + } +} diff --git a/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs b/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs index 72baf5c4b58..d67b9d33596 100644 --- a/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs +++ b/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs @@ -12,13 +12,11 @@ use std::ops::ControlFlow; use rustc_ast::visit::walk_list; use rustc_data_structures::fx::{FxHashSet, FxIndexMap, FxIndexSet}; -use rustc_data_structures::sorted_map::SortedMap; use rustc_errors::ErrorGuaranteed; use rustc_hir::def::{DefKind, Res}; use rustc_hir::intravisit::{self, InferKind, Visitor, VisitorExt}; use rustc_hir::{ - self as hir, AmbigArg, GenericArg, GenericParam, GenericParamKind, HirId, ItemLocalMap, - LifetimeName, Node, + self as hir, AmbigArg, GenericArg, GenericParam, GenericParamKind, HirId, LifetimeName, Node, }; use rustc_macros::extension; use rustc_middle::hir::nested_filter; @@ -26,7 +24,7 @@ use rustc_middle::middle::resolve_bound_vars::*; use rustc_middle::query::Providers; use rustc_middle::ty::{self, TyCtxt, TypeSuperVisitable, TypeVisitor}; use rustc_middle::{bug, span_bug}; -use rustc_span::def_id::{DefId, LocalDefId, LocalDefIdMap}; +use rustc_span::def_id::{DefId, LocalDefId}; use rustc_span::{Ident, Span, sym}; use tracing::{debug, debug_span, instrument}; @@ -62,33 +60,9 @@ impl ResolvedArg { } } -/// Maps the id of each bound variable reference to the variable decl -/// that it corresponds to. -/// -/// FIXME. This struct gets converted to a `ResolveBoundVars` for -/// actual use. It has the same data, but indexed by `LocalDefId`. This -/// is silly. -#[derive(Debug, Default)] -struct NamedVarMap { - // maps from every use of a named (not anonymous) bound var to a - // `ResolvedArg` describing how that variable is bound - defs: ItemLocalMap<ResolvedArg>, - - // Maps relevant hir items to the bound vars on them. These include: - // - function defs - // - function pointers - // - closures - // - trait refs - // - bound types (like `T` in `for<'a> T<'a>: Foo`) - late_bound_vars: ItemLocalMap<Vec<ty::BoundVariableKind>>, - - // List captured variables for each opaque type. - opaque_captured_lifetimes: LocalDefIdMap<Vec<(ResolvedArg, LocalDefId)>>, -} - struct BoundVarContext<'a, 'tcx> { tcx: TyCtxt<'tcx>, - map: &'a mut NamedVarMap, + rbv: &'a mut ResolveBoundVars, scope: ScopeRef<'a>, } @@ -267,19 +241,12 @@ pub(crate) fn provide(providers: &mut Providers) { /// Computes the `ResolveBoundVars` map that contains data for an entire `Item`. /// You should not read the result of this query directly, but rather use -/// `named_variable_map`, `is_late_bound_map`, etc. +/// `named_variable_map`, `late_bound_vars_map`, etc. #[instrument(level = "debug", skip(tcx))] fn resolve_bound_vars(tcx: TyCtxt<'_>, local_def_id: hir::OwnerId) -> ResolveBoundVars { - let mut named_variable_map = NamedVarMap { - defs: Default::default(), - late_bound_vars: Default::default(), - opaque_captured_lifetimes: Default::default(), - }; - let mut visitor = BoundVarContext { - tcx, - map: &mut named_variable_map, - scope: &Scope::Root { opt_parent_item: None }, - }; + let mut rbv = ResolveBoundVars::default(); + let mut visitor = + BoundVarContext { tcx, rbv: &mut rbv, scope: &Scope::Root { opt_parent_item: None } }; match tcx.hir_owner_node(local_def_id) { hir::OwnerNode::Item(item) => visitor.visit_item(item), hir::OwnerNode::ForeignItem(item) => visitor.visit_foreign_item(item), @@ -299,19 +266,10 @@ fn resolve_bound_vars(tcx: TyCtxt<'_>, local_def_id: hir::OwnerId) -> ResolveBou hir::OwnerNode::Synthetic => unreachable!(), } - let defs = named_variable_map.defs.into_sorted_stable_ord(); - let late_bound_vars = named_variable_map.late_bound_vars.into_sorted_stable_ord(); - let opaque_captured_lifetimes = named_variable_map.opaque_captured_lifetimes; - let rl = ResolveBoundVars { - defs: SortedMap::from_presorted_elements(defs), - late_bound_vars: SortedMap::from_presorted_elements(late_bound_vars), - opaque_captured_lifetimes, - }; - - debug!(?rl.defs); - debug!(?rl.late_bound_vars); - debug!(?rl.opaque_captured_lifetimes); - rl + debug!(?rbv.defs); + debug!(?rbv.late_bound_vars); + debug!(?rbv.opaque_captured_lifetimes); + rbv } fn late_arg_as_bound_arg<'tcx>( @@ -404,7 +362,7 @@ impl<'a, 'tcx> BoundVarContext<'a, 'tcx> { Scope::Binder { hir_id, .. } => { // Nested poly trait refs have the binders concatenated let mut full_binders = - self.map.late_bound_vars.entry(hir_id.local_id).or_default().clone(); + self.rbv.late_bound_vars.get_mut_or_insert_default(hir_id.local_id).clone(); full_binders.extend(supertrait_bound_vars); break (full_binders, BinderScopeType::Concatenating); } @@ -646,7 +604,7 @@ impl<'a, 'tcx> Visitor<'tcx> for BoundVarContext<'a, 'tcx> { let captures = captures.into_inner().into_iter().collect(); debug!(?captures); - self.map.opaque_captured_lifetimes.insert(opaque.def_id, captures); + self.rbv.opaque_captured_lifetimes.insert(opaque.def_id, captures); } #[instrument(level = "debug", skip(self))] @@ -848,7 +806,7 @@ impl<'a, 'tcx> Visitor<'tcx> for BoundVarContext<'a, 'tcx> { hir::TyKind::Ref(lifetime_ref, ref mt) => { self.visit_lifetime(lifetime_ref); let scope = Scope::ObjectLifetimeDefault { - lifetime: self.map.defs.get(&lifetime_ref.hir_id.local_id).cloned(), + lifetime: self.rbv.defs.get(&lifetime_ref.hir_id.local_id).cloned(), s: self.scope, }; self.with(scope, |this| this.visit_ty_unambig(mt.ty)); @@ -966,7 +924,7 @@ impl<'a, 'tcx> Visitor<'tcx> for BoundVarContext<'a, 'tcx> { let bound_vars: Vec<_> = self.tcx.fn_sig(sig_id).skip_binder().bound_vars().iter().collect(); let hir_id = self.tcx.local_def_id_to_hir_id(def_id); - self.map.late_bound_vars.insert(hir_id.local_id, bound_vars); + self.rbv.late_bound_vars.insert(hir_id.local_id, bound_vars); } self.visit_fn_like_elision(fd.inputs, output, matches!(fk, intravisit::FnKind::Closure)); intravisit::walk_fn_kind(self, fk); @@ -1140,8 +1098,8 @@ impl<'a, 'tcx> BoundVarContext<'a, 'tcx> { where F: for<'b> FnOnce(&mut BoundVarContext<'b, 'tcx>), { - let BoundVarContext { tcx, map, .. } = self; - let mut this = BoundVarContext { tcx: *tcx, map, scope: &wrap_scope }; + let BoundVarContext { tcx, rbv, .. } = self; + let mut this = BoundVarContext { tcx: *tcx, rbv, scope: &wrap_scope }; let span = debug_span!("scope", scope = ?this.scope.debug_truncated()); { let _enter = span.enter(); @@ -1150,10 +1108,10 @@ impl<'a, 'tcx> BoundVarContext<'a, 'tcx> { } fn record_late_bound_vars(&mut self, hir_id: HirId, binder: Vec<ty::BoundVariableKind>) { - if let Some(old) = self.map.late_bound_vars.insert(hir_id.local_id, binder) { + if let Some(old) = self.rbv.late_bound_vars.insert(hir_id.local_id, binder) { bug!( "overwrote bound vars for {hir_id:?}:\nold={old:?}\nnew={:?}", - self.map.late_bound_vars[&hir_id.local_id] + self.rbv.late_bound_vars[&hir_id.local_id] ) } } @@ -1597,9 +1555,9 @@ impl<'a, 'tcx> BoundVarContext<'a, 'tcx> { kind.descr(param_def_id.to_def_id()) ), }; - self.map.defs.insert(hir_id.local_id, ResolvedArg::Error(guar)); + self.rbv.defs.insert(hir_id.local_id, ResolvedArg::Error(guar)); } else { - self.map.defs.insert(hir_id.local_id, def); + self.rbv.defs.insert(hir_id.local_id, def); } return; } @@ -1632,7 +1590,7 @@ impl<'a, 'tcx> BoundVarContext<'a, 'tcx> { bug!("unexpected def-kind: {}", kind.descr(param_def_id.to_def_id())) } }); - self.map.defs.insert(hir_id.local_id, ResolvedArg::Error(guar)); + self.rbv.defs.insert(hir_id.local_id, ResolvedArg::Error(guar)); return; } Scope::Root { .. } => break, @@ -1725,7 +1683,7 @@ impl<'a, 'tcx> BoundVarContext<'a, 'tcx> { } }; - let map = &self.map; + let rbv = &self.rbv; let generics = self.tcx.generics_of(def_id); // `type_def_id` points to an item, so there is nothing to inherit generics from. @@ -1744,7 +1702,7 @@ impl<'a, 'tcx> BoundVarContext<'a, 'tcx> { // This index can be used with `generic_args` since `parent_count == 0`. let index = generics.param_def_id_to_index[¶m_def_id] as usize; generic_args.args.get(index).and_then(|arg| match arg { - GenericArg::Lifetime(lt) => map.defs.get(<.hir_id.local_id).copied(), + GenericArg::Lifetime(lt) => rbv.defs.get(<.hir_id.local_id).copied(), _ => None, }) } @@ -2042,7 +2000,7 @@ impl<'a, 'tcx> BoundVarContext<'a, 'tcx> { #[instrument(level = "debug", skip(self))] fn insert_lifetime(&mut self, lifetime_ref: &'tcx hir::Lifetime, def: ResolvedArg) { debug!(span = ?lifetime_ref.ident.span); - self.map.defs.insert(lifetime_ref.hir_id.local_id, def); + self.rbv.defs.insert(lifetime_ref.hir_id.local_id, def); } // When we have a return type notation type in a where clause, like @@ -2197,7 +2155,7 @@ impl<'a, 'tcx> BoundVarContext<'a, 'tcx> { // See where these vars are used in `HirTyLowerer::lower_ty_maybe_return_type_notation`. // And this is exercised in: // `tests/ui/associated-type-bounds/return-type-notation/higher-ranked-bound-works.rs`. - let existing_bound_vars = self.map.late_bound_vars.get_mut(&hir_id.local_id).unwrap(); + let existing_bound_vars = self.rbv.late_bound_vars.get_mut(&hir_id.local_id).unwrap(); let existing_bound_vars_saved = existing_bound_vars.clone(); existing_bound_vars.extend(bound_vars); self.record_late_bound_vars(item_segment.hir_id, existing_bound_vars_saved); diff --git a/compiler/rustc_hir_analysis/src/lib.rs b/compiler/rustc_hir_analysis/src/lib.rs index bc7d4365eee..03dd0cccf75 100644 --- a/compiler/rustc_hir_analysis/src/lib.rs +++ b/compiler/rustc_hir_analysis/src/lib.rs @@ -152,11 +152,14 @@ pub fn check_crate(tcx: TyCtxt<'_>) { }); if tcx.features().rustc_attrs() { - tcx.sess.time("outlives_dumping", || outlives::dump::inferred_outlives(tcx)); - tcx.sess.time("variance_dumping", || variance::dump::variances(tcx)); - collect::dump::opaque_hidden_types(tcx); - collect::dump::predicates_and_item_bounds(tcx); - collect::dump::def_parents(tcx); + tcx.sess.time("dumping_rustc_attr_data", || { + outlives::dump::inferred_outlives(tcx); + variance::dump::variances(tcx); + collect::dump::opaque_hidden_types(tcx); + collect::dump::predicates_and_item_bounds(tcx); + collect::dump::def_parents(tcx); + collect::dump::vtables(tcx); + }); } // Make sure we evaluate all static and (non-associated) const items, even if unused. diff --git a/compiler/rustc_infer/src/infer/at.rs b/compiler/rustc_infer/src/infer/at.rs index 12e2bbc968f..ad15b764bcc 100644 --- a/compiler/rustc_infer/src/infer/at.rs +++ b/compiler/rustc_infer/src/infer/at.rs @@ -402,6 +402,18 @@ impl<'tcx> ToTrace<'tcx> for ty::PolyExistentialTraitRef<'tcx> { } } +impl<'tcx> ToTrace<'tcx> for ty::ExistentialTraitRef<'tcx> { + fn to_trace(cause: &ObligationCause<'tcx>, a: Self, b: Self) -> TypeTrace<'tcx> { + TypeTrace { + cause: cause.clone(), + values: ValuePairs::ExistentialTraitRef(ExpectedFound::new( + ty::Binder::dummy(a), + ty::Binder::dummy(b), + )), + } + } +} + impl<'tcx> ToTrace<'tcx> for ty::PolyExistentialProjection<'tcx> { fn to_trace(cause: &ObligationCause<'tcx>, a: Self, b: Self) -> TypeTrace<'tcx> { TypeTrace { @@ -410,3 +422,15 @@ impl<'tcx> ToTrace<'tcx> for ty::PolyExistentialProjection<'tcx> { } } } + +impl<'tcx> ToTrace<'tcx> for ty::ExistentialProjection<'tcx> { + fn to_trace(cause: &ObligationCause<'tcx>, a: Self, b: Self) -> TypeTrace<'tcx> { + TypeTrace { + cause: cause.clone(), + values: ValuePairs::ExistentialProjection(ExpectedFound::new( + ty::Binder::dummy(a), + ty::Binder::dummy(b), + )), + } + } +} diff --git a/compiler/rustc_infer/src/infer/freshen.rs b/compiler/rustc_infer/src/infer/freshen.rs index 28eac5b7496..74c8b463fc8 100644 --- a/compiler/rustc_infer/src/infer/freshen.rs +++ b/compiler/rustc_infer/src/infer/freshen.rs @@ -170,7 +170,7 @@ impl<'a, 'tcx> TypeFolder<TyCtxt<'tcx>> for TypeFreshener<'a, 'tcx> { } ty::ConstKind::Param(_) - | ty::ConstKind::Value(_, _) + | ty::ConstKind::Value(_) | ty::ConstKind::Unevaluated(..) | ty::ConstKind::Expr(..) | ty::ConstKind::Error(_) => ct.super_fold_with(self), diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index 283ebdfa236..515c9c34098 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -1055,7 +1055,7 @@ impl<'tcx> InferCtxt<'tcx> { | ty::ConstKind::Bound(_, _) | ty::ConstKind::Placeholder(_) | ty::ConstKind::Unevaluated(_) - | ty::ConstKind::Value(_, _) + | ty::ConstKind::Value(_) | ty::ConstKind::Error(_) | ty::ConstKind::Expr(_) => ct, } diff --git a/compiler/rustc_interface/src/passes.rs b/compiler/rustc_interface/src/passes.rs index 241bc35857a..0b91c023cfc 100644 --- a/compiler/rustc_interface/src/passes.rs +++ b/compiler/rustc_interface/src/passes.rs @@ -26,7 +26,6 @@ use rustc_parse::{ }; use rustc_passes::{abi_test, input_stats, layout_test}; use rustc_resolve::Resolver; -use rustc_session::code_stats::VTableSizeInfo; use rustc_session::config::{CrateType, Input, OutFileName, OutputFilenames, OutputType}; use rustc_session::cstore::Untracked; use rustc_session::output::{collect_crate_types, filename_for_input, find_crate_name}; @@ -989,90 +988,6 @@ fn analysis(tcx: TyCtxt<'_>, (): ()) { // we will fail to emit overlap diagnostics. Thus we invoke it here unconditionally. let _ = tcx.all_diagnostic_items(()); }); - - if sess.opts.unstable_opts.print_vtable_sizes { - let traits = tcx.traits(LOCAL_CRATE); - - for &tr in traits { - if !tcx.is_dyn_compatible(tr) { - continue; - } - - let name = ty::print::with_no_trimmed_paths!(tcx.def_path_str(tr)); - - let mut first_dsa = true; - - // Number of vtable entries, if we didn't have upcasting - let mut entries_ignoring_upcasting = 0; - // Number of vtable entries needed solely for upcasting - let mut entries_for_upcasting = 0; - - let trait_ref = ty::Binder::dummy(ty::TraitRef::identity(tcx, tr)); - - // A slightly edited version of the code in - // `rustc_trait_selection::traits::vtable::vtable_entries`, that works without self - // type and just counts number of entries. - // - // Note that this is technically wrong, for traits which have associated types in - // supertraits: - // - // trait A: AsRef<Self::T> + AsRef<()> { type T; } - // - // Without self type we can't normalize `Self::T`, so we can't know if `AsRef<Self::T>` - // and `AsRef<()>` are the same trait, thus we assume that those are different, and - // potentially over-estimate how many vtable entries there are. - // - // Similarly this is wrong for traits that have methods with possibly-impossible bounds. - // For example: - // - // trait B<T> { fn f(&self) where T: Copy; } - // - // Here `dyn B<u8>` will have 4 entries, while `dyn B<String>` will only have 3. - // However, since we don't know `T`, we can't know if `T: Copy` holds or not, - // thus we lean on the bigger side and say it has 4 entries. - traits::vtable::prepare_vtable_segments(tcx, trait_ref, |segment| { - match segment { - traits::vtable::VtblSegment::MetadataDSA => { - // If this is the first dsa, it would be included either way, - // otherwise it's needed for upcasting - if std::mem::take(&mut first_dsa) { - entries_ignoring_upcasting += 3; - } else { - entries_for_upcasting += 3; - } - } - - traits::vtable::VtblSegment::TraitOwnEntries { trait_ref, emit_vptr } => { - // Lookup the shape of vtable for the trait. - let own_existential_entries = - tcx.own_existential_vtable_entries(trait_ref.def_id()); - - // The original code here ignores the method if its predicates are - // impossible. We can't really do that as, for example, all not trivial - // bounds on generic parameters are impossible (since we don't know the - // parameters...), see the comment above. - entries_ignoring_upcasting += own_existential_entries.len(); - - if emit_vptr { - entries_for_upcasting += 1; - } - } - } - - std::ops::ControlFlow::Continue::<std::convert::Infallible>(()) - }); - - sess.code_stats.record_vtable_size(tr, &name, VTableSizeInfo { - trait_name: name.clone(), - entries: entries_ignoring_upcasting + entries_for_upcasting, - entries_ignoring_upcasting, - entries_for_upcasting, - upcasting_cost_percent: entries_for_upcasting as f64 - / entries_ignoring_upcasting as f64 - * 100., - }) - } - } } /// Check for the `#[rustc_error]` annotation, which forces an error in codegen. This is used @@ -1153,12 +1068,6 @@ pub(crate) fn start_codegen<'tcx>( tcx.sess.code_stats.print_type_sizes(); } - if tcx.sess.opts.unstable_opts.print_vtable_sizes { - let crate_name = tcx.crate_name(LOCAL_CRATE); - - tcx.sess.code_stats.print_vtable_sizes(crate_name); - } - codegen } diff --git a/compiler/rustc_lint/src/multiple_supertrait_upcastable.rs b/compiler/rustc_lint/src/multiple_supertrait_upcastable.rs index 9fde35f82d8..35db8632625 100644 --- a/compiler/rustc_lint/src/multiple_supertrait_upcastable.rs +++ b/compiler/rustc_lint/src/multiple_supertrait_upcastable.rs @@ -37,7 +37,7 @@ declare_lint_pass!(MultipleSupertraitUpcastable => [MULTIPLE_SUPERTRAIT_UPCASTAB impl<'tcx> LateLintPass<'tcx> for MultipleSupertraitUpcastable { fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::Item<'tcx>) { let def_id = item.owner_id.to_def_id(); - // NOTE(nbdd0121): use `object_safety_violations` instead of `is_dyn_compatible` because + // NOTE(nbdd0121): use `dyn_compatibility_violations` instead of `is_dyn_compatible` because // the latter will report `where_clause_object_safety` lint. if let hir::ItemKind::Trait(_, _, _, _, _) = item.kind && cx.tcx.is_dyn_compatible(def_id) diff --git a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp index 35186778671..b0c6fa42190 100644 --- a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp +++ b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp @@ -319,7 +319,11 @@ static Attribute::AttrKind fromRust(LLVMRustAttributeKind Kind) { case LLVMRustAttributeKind::NoAlias: return Attribute::NoAlias; case LLVMRustAttributeKind::NoCapture: +#if LLVM_VERSION_GE(21, 0) + report_fatal_error("NoCapture doesn't exist in LLVM 21"); +#else return Attribute::NoCapture; +#endif case LLVMRustAttributeKind::NoCfCheck: return Attribute::NoCfCheck; case LLVMRustAttributeKind::NoInline: @@ -431,6 +435,12 @@ extern "C" void LLVMRustEraseInstFromParent(LLVMValueRef Instr) { extern "C" LLVMAttributeRef LLVMRustCreateAttrNoValue(LLVMContextRef C, LLVMRustAttributeKind RustAttr) { +#if LLVM_VERSION_GE(21, 0) + // LLVM 21 replaced the NoCapture attribute with Captures(none). + if (RustAttr == LLVMRustAttributeKind::NoCapture) { + return wrap(Attribute::getWithCaptureInfo(*unwrap(C), CaptureInfo::none())); + } +#endif return wrap(Attribute::get(*unwrap(C), fromRust(RustAttr))); } @@ -667,8 +677,6 @@ extern "C" bool LLVMRustInlineAsmVerify(LLVMTypeRef Ty, char *Constraints, unwrap<FunctionType>(Ty), StringRef(Constraints, ConstraintsLen))); } -typedef DIBuilder *LLVMRustDIBuilderRef; - template <typename DIT> DIT *unwrapDIPtr(LLVMMetadataRef Ref) { return (DIT *)(Ref ? unwrap<MDNode>(Ref) : nullptr); } @@ -677,12 +685,6 @@ template <typename DIT> DIT *unwrapDIPtr(LLVMMetadataRef Ref) { #define DIArray DINodeArray #define unwrapDI unwrapDIPtr -// FIXME(Zalathar): This is a temporary typedef to avoid churning dozens of -// bindings that are going to be deleted and replaced with their LLVM-C -// equivalents, as part of #134009. After that happens, the remaining bindings -// can be adjusted to use `LLVMDIFlags` instead of relying on this typedef. -typedef LLVMDIFlags LLVMRustDIFlags; - // Statically assert that `LLVMDIFlags` (C) and `DIFlags` (C++) have the same // layout, at least for the flags we know about. This isn't guaranteed, but is // likely to remain true, and as long as it is true it makes conversions easy. @@ -994,34 +996,34 @@ extern "C" void LLVMRustGlobalAddMetadata(LLVMValueRef Global, unsigned Kind, unwrap<GlobalObject>(Global)->addMetadata(Kind, *unwrap<MDNode>(MD)); } -extern "C" LLVMRustDIBuilderRef LLVMRustDIBuilderCreate(LLVMModuleRef M) { - return new DIBuilder(*unwrap(M)); +extern "C" LLVMDIBuilderRef LLVMRustDIBuilderCreate(LLVMModuleRef M) { + return wrap(new DIBuilder(*unwrap(M))); } -extern "C" void LLVMRustDIBuilderDispose(LLVMRustDIBuilderRef Builder) { - delete Builder; +extern "C" void LLVMRustDIBuilderDispose(LLVMDIBuilderRef Builder) { + delete unwrap(Builder); } -extern "C" void LLVMRustDIBuilderFinalize(LLVMRustDIBuilderRef Builder) { - Builder->finalize(); +extern "C" void LLVMRustDIBuilderFinalize(LLVMDIBuilderRef Builder) { + unwrap(Builder)->finalize(); } extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateCompileUnit( - LLVMRustDIBuilderRef Builder, unsigned Lang, LLVMMetadataRef FileRef, + LLVMDIBuilderRef Builder, unsigned Lang, LLVMMetadataRef FileRef, const char *Producer, size_t ProducerLen, bool isOptimized, const char *Flags, unsigned RuntimeVer, const char *SplitName, size_t SplitNameLen, LLVMRustDebugEmissionKind Kind, uint64_t DWOId, bool SplitDebugInlining, LLVMRustDebugNameTableKind TableKind) { auto *File = unwrapDI<DIFile>(FileRef); - return wrap(Builder->createCompileUnit( + return wrap(unwrap(Builder)->createCompileUnit( Lang, File, StringRef(Producer, ProducerLen), isOptimized, Flags, RuntimeVer, StringRef(SplitName, SplitNameLen), fromRust(Kind), DWOId, SplitDebugInlining, false, fromRust(TableKind))); } extern "C" LLVMMetadataRef -LLVMRustDIBuilderCreateFile(LLVMRustDIBuilderRef Builder, const char *Filename, +LLVMRustDIBuilderCreateFile(LLVMDIBuilderRef Builder, const char *Filename, size_t FilenameLen, const char *Directory, size_t DirectoryLen, LLVMRustChecksumKind CSKind, const char *Checksum, size_t ChecksumLen, @@ -1034,29 +1036,29 @@ LLVMRustDIBuilderCreateFile(LLVMRustDIBuilderRef Builder, const char *Filename, std::optional<StringRef> oSource{}; if (Source) oSource = StringRef(Source, SourceLen); - return wrap(Builder->createFile(StringRef(Filename, FilenameLen), - StringRef(Directory, DirectoryLen), CSInfo, - oSource)); + return wrap(unwrap(Builder)->createFile(StringRef(Filename, FilenameLen), + StringRef(Directory, DirectoryLen), + CSInfo, oSource)); } extern "C" LLVMMetadataRef -LLVMRustDIBuilderCreateSubroutineType(LLVMRustDIBuilderRef Builder, +LLVMRustDIBuilderCreateSubroutineType(LLVMDIBuilderRef Builder, LLVMMetadataRef ParameterTypes) { - return wrap(Builder->createSubroutineType( + return wrap(unwrap(Builder)->createSubroutineType( DITypeRefArray(unwrap<MDTuple>(ParameterTypes)))); } extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateFunction( - LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name, + LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name, size_t NameLen, const char *LinkageName, size_t LinkageNameLen, LLVMMetadataRef File, unsigned LineNo, LLVMMetadataRef Ty, - unsigned ScopeLine, LLVMRustDIFlags Flags, LLVMRustDISPFlags SPFlags, + unsigned ScopeLine, LLVMDIFlags Flags, LLVMRustDISPFlags SPFlags, LLVMValueRef MaybeFn, LLVMMetadataRef TParam, LLVMMetadataRef Decl) { DITemplateParameterArray TParams = DITemplateParameterArray(unwrap<MDTuple>(TParam)); DISubprogram::DISPFlags llvmSPFlags = fromRust(SPFlags); DINode::DIFlags llvmFlags = fromRust(Flags); - DISubprogram *Sub = Builder->createFunction( + DISubprogram *Sub = unwrap(Builder)->createFunction( unwrapDI<DIScope>(Scope), StringRef(Name, NameLen), StringRef(LinkageName, LinkageNameLen), unwrapDI<DIFile>(File), LineNo, unwrapDI<DISubroutineType>(Ty), ScopeLine, llvmFlags, llvmSPFlags, @@ -1067,15 +1069,15 @@ extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateFunction( } extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateMethod( - LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name, + LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name, size_t NameLen, const char *LinkageName, size_t LinkageNameLen, LLVMMetadataRef File, unsigned LineNo, LLVMMetadataRef Ty, - LLVMRustDIFlags Flags, LLVMRustDISPFlags SPFlags, LLVMMetadataRef TParam) { + LLVMDIFlags Flags, LLVMRustDISPFlags SPFlags, LLVMMetadataRef TParam) { DITemplateParameterArray TParams = DITemplateParameterArray(unwrap<MDTuple>(TParam)); DISubprogram::DISPFlags llvmSPFlags = fromRust(SPFlags); DINode::DIFlags llvmFlags = fromRust(Flags); - DISubprogram *Sub = Builder->createMethod( + DISubprogram *Sub = unwrap(Builder)->createMethod( unwrapDI<DIScope>(Scope), StringRef(Name, NameLen), StringRef(LinkageName, LinkageNameLen), unwrapDI<DIFile>(File), LineNo, unwrapDI<DISubroutineType>(Ty), 0, 0, @@ -1085,39 +1087,39 @@ extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateMethod( } extern "C" LLVMMetadataRef -LLVMRustDIBuilderCreateBasicType(LLVMRustDIBuilderRef Builder, const char *Name, +LLVMRustDIBuilderCreateBasicType(LLVMDIBuilderRef Builder, const char *Name, size_t NameLen, uint64_t SizeInBits, unsigned Encoding) { - return wrap( - Builder->createBasicType(StringRef(Name, NameLen), SizeInBits, Encoding)); + return wrap(unwrap(Builder)->createBasicType(StringRef(Name, NameLen), + SizeInBits, Encoding)); } extern "C" LLVMMetadataRef -LLVMRustDIBuilderCreateTypedef(LLVMRustDIBuilderRef Builder, - LLVMMetadataRef Type, const char *Name, - size_t NameLen, LLVMMetadataRef File, - unsigned LineNo, LLVMMetadataRef Scope) { - return wrap(Builder->createTypedef( +LLVMRustDIBuilderCreateTypedef(LLVMDIBuilderRef Builder, LLVMMetadataRef Type, + const char *Name, size_t NameLen, + LLVMMetadataRef File, unsigned LineNo, + LLVMMetadataRef Scope) { + return wrap(unwrap(Builder)->createTypedef( unwrap<DIType>(Type), StringRef(Name, NameLen), unwrap<DIFile>(File), LineNo, unwrapDIPtr<DIScope>(Scope))); } extern "C" LLVMMetadataRef LLVMRustDIBuilderCreatePointerType( - LLVMRustDIBuilderRef Builder, LLVMMetadataRef PointeeTy, - uint64_t SizeInBits, uint32_t AlignInBits, unsigned AddressSpace, - const char *Name, size_t NameLen) { - return wrap(Builder->createPointerType(unwrapDI<DIType>(PointeeTy), - SizeInBits, AlignInBits, AddressSpace, - StringRef(Name, NameLen))); + LLVMDIBuilderRef Builder, LLVMMetadataRef PointeeTy, uint64_t SizeInBits, + uint32_t AlignInBits, unsigned AddressSpace, const char *Name, + size_t NameLen) { + return wrap(unwrap(Builder)->createPointerType( + unwrapDI<DIType>(PointeeTy), SizeInBits, AlignInBits, AddressSpace, + StringRef(Name, NameLen))); } extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateStructType( - LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name, + LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name, size_t NameLen, LLVMMetadataRef File, unsigned LineNumber, - uint64_t SizeInBits, uint32_t AlignInBits, LLVMRustDIFlags Flags, + uint64_t SizeInBits, uint32_t AlignInBits, LLVMDIFlags Flags, LLVMMetadataRef DerivedFrom, LLVMMetadataRef Elements, unsigned RunTimeLang, LLVMMetadataRef VTableHolder, const char *UniqueId, size_t UniqueIdLen) { - return wrap(Builder->createStructType( + return wrap(unwrap(Builder)->createStructType( unwrapDI<DIDescriptor>(Scope), StringRef(Name, NameLen), unwrapDI<DIFile>(File), LineNumber, SizeInBits, AlignInBits, fromRust(Flags), unwrapDI<DIType>(DerivedFrom), @@ -1126,12 +1128,12 @@ extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateStructType( } extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateVariantPart( - LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name, + LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name, size_t NameLen, LLVMMetadataRef File, unsigned LineNumber, - uint64_t SizeInBits, uint32_t AlignInBits, LLVMRustDIFlags Flags, + uint64_t SizeInBits, uint32_t AlignInBits, LLVMDIFlags Flags, LLVMMetadataRef Discriminator, LLVMMetadataRef Elements, const char *UniqueId, size_t UniqueIdLen) { - return wrap(Builder->createVariantPart( + return wrap(unwrap(Builder)->createVariantPart( unwrapDI<DIDescriptor>(Scope), StringRef(Name, NameLen), unwrapDI<DIFile>(File), LineNumber, SizeInBits, AlignInBits, fromRust(Flags), unwrapDI<DIDerivedType>(Discriminator), @@ -1140,36 +1142,36 @@ extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateVariantPart( } extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateMemberType( - LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name, + LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name, size_t NameLen, LLVMMetadataRef File, unsigned LineNo, uint64_t SizeInBits, - uint32_t AlignInBits, uint64_t OffsetInBits, LLVMRustDIFlags Flags, + uint32_t AlignInBits, uint64_t OffsetInBits, LLVMDIFlags Flags, LLVMMetadataRef Ty) { - return wrap(Builder->createMemberType( + return wrap(unwrap(Builder)->createMemberType( unwrapDI<DIDescriptor>(Scope), StringRef(Name, NameLen), unwrapDI<DIFile>(File), LineNo, SizeInBits, AlignInBits, OffsetInBits, fromRust(Flags), unwrapDI<DIType>(Ty))); } extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateVariantMemberType( - LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name, + LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name, size_t NameLen, LLVMMetadataRef File, unsigned LineNo, uint64_t SizeInBits, uint32_t AlignInBits, uint64_t OffsetInBits, LLVMValueRef Discriminant, - LLVMRustDIFlags Flags, LLVMMetadataRef Ty) { + LLVMDIFlags Flags, LLVMMetadataRef Ty) { llvm::ConstantInt *D = nullptr; if (Discriminant) { D = unwrap<llvm::ConstantInt>(Discriminant); } - return wrap(Builder->createVariantMemberType( + return wrap(unwrap(Builder)->createVariantMemberType( unwrapDI<DIDescriptor>(Scope), StringRef(Name, NameLen), unwrapDI<DIFile>(File), LineNo, SizeInBits, AlignInBits, OffsetInBits, D, fromRust(Flags), unwrapDI<DIType>(Ty))); } extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateStaticMemberType( - LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name, + LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name, size_t NameLen, LLVMMetadataRef File, unsigned LineNo, LLVMMetadataRef Ty, - LLVMRustDIFlags Flags, LLVMValueRef val, uint32_t AlignInBits) { - return wrap(Builder->createStaticMemberType( + LLVMDIFlags Flags, LLVMValueRef val, uint32_t AlignInBits) { + return wrap(unwrap(Builder)->createStaticMemberType( unwrapDI<DIDescriptor>(Scope), StringRef(Name, NameLen), unwrapDI<DIFile>(File), LineNo, unwrapDI<DIType>(Ty), fromRust(Flags), unwrap<llvm::ConstantInt>(val), llvm::dwarf::DW_TAG_member, AlignInBits)); @@ -1183,21 +1185,21 @@ LLVMRustDIBuilderCreateQualifiedType(LLVMDIBuilderRef Builder, unsigned Tag, } extern "C" LLVMMetadataRef -LLVMRustDIBuilderCreateLexicalBlock(LLVMRustDIBuilderRef Builder, +LLVMRustDIBuilderCreateLexicalBlock(LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, LLVMMetadataRef File, unsigned Line, unsigned Col) { - return wrap(Builder->createLexicalBlock(unwrapDI<DIDescriptor>(Scope), - unwrapDI<DIFile>(File), Line, Col)); + return wrap(unwrap(Builder)->createLexicalBlock( + unwrapDI<DIDescriptor>(Scope), unwrapDI<DIFile>(File), Line, Col)); } extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateLexicalBlockFile( - LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope, LLVMMetadataRef File) { - return wrap(Builder->createLexicalBlockFile(unwrapDI<DIDescriptor>(Scope), - unwrapDI<DIFile>(File))); + LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, LLVMMetadataRef File) { + return wrap(unwrap(Builder)->createLexicalBlockFile( + unwrapDI<DIDescriptor>(Scope), unwrapDI<DIFile>(File))); } extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateStaticVariable( - LLVMRustDIBuilderRef Builder, LLVMMetadataRef Context, const char *Name, + LLVMDIBuilderRef Builder, LLVMMetadataRef Context, const char *Name, size_t NameLen, const char *LinkageName, size_t LinkageNameLen, LLVMMetadataRef File, unsigned LineNo, LLVMMetadataRef Ty, bool IsLocalToUnit, LLVMValueRef V, LLVMMetadataRef Decl = nullptr, @@ -1206,16 +1208,16 @@ extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateStaticVariable( llvm::DIExpression *InitExpr = nullptr; if (llvm::ConstantInt *IntVal = llvm::dyn_cast<llvm::ConstantInt>(InitVal)) { - InitExpr = Builder->createConstantValueExpression( + InitExpr = unwrap(Builder)->createConstantValueExpression( IntVal->getValue().getSExtValue()); } else if (llvm::ConstantFP *FPVal = llvm::dyn_cast<llvm::ConstantFP>(InitVal)) { - InitExpr = Builder->createConstantValueExpression( + InitExpr = unwrap(Builder)->createConstantValueExpression( FPVal->getValueAPF().bitcastToAPInt().getZExtValue()); } llvm::DIGlobalVariableExpression *VarExpr = - Builder->createGlobalVariableExpression( + unwrap(Builder)->createGlobalVariableExpression( unwrapDI<DIDescriptor>(Context), StringRef(Name, NameLen), StringRef(LinkageName, LinkageNameLen), unwrapDI<DIFile>(File), LineNo, unwrapDI<DIType>(Ty), IsLocalToUnit, @@ -1228,17 +1230,17 @@ extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateStaticVariable( } extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateVariable( - LLVMRustDIBuilderRef Builder, unsigned Tag, LLVMMetadataRef Scope, + LLVMDIBuilderRef Builder, unsigned Tag, LLVMMetadataRef Scope, const char *Name, size_t NameLen, LLVMMetadataRef File, unsigned LineNo, - LLVMMetadataRef Ty, bool AlwaysPreserve, LLVMRustDIFlags Flags, - unsigned ArgNo, uint32_t AlignInBits) { + LLVMMetadataRef Ty, bool AlwaysPreserve, LLVMDIFlags Flags, unsigned ArgNo, + uint32_t AlignInBits) { if (Tag == 0x100) { // DW_TAG_auto_variable - return wrap(Builder->createAutoVariable( + return wrap(unwrap(Builder)->createAutoVariable( unwrapDI<DIDescriptor>(Scope), StringRef(Name, NameLen), unwrapDI<DIFile>(File), LineNo, unwrapDI<DIType>(Ty), AlwaysPreserve, fromRust(Flags), AlignInBits)); } else { - return wrap(Builder->createParameterVariable( + return wrap(unwrap(Builder)->createParameterVariable( unwrapDI<DIDescriptor>(Scope), StringRef(Name, NameLen), ArgNo, unwrapDI<DIFile>(File), LineNo, unwrapDI<DIType>(Ty), AlwaysPreserve, fromRust(Flags))); @@ -1246,53 +1248,56 @@ extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateVariable( } extern "C" LLVMMetadataRef -LLVMRustDIBuilderCreateArrayType(LLVMRustDIBuilderRef Builder, uint64_t Size, +LLVMRustDIBuilderCreateArrayType(LLVMDIBuilderRef Builder, uint64_t Size, uint32_t AlignInBits, LLVMMetadataRef Ty, LLVMMetadataRef Subscripts) { - return wrap( - Builder->createArrayType(Size, AlignInBits, unwrapDI<DIType>(Ty), - DINodeArray(unwrapDI<MDTuple>(Subscripts)))); + return wrap(unwrap(Builder)->createArrayType( + Size, AlignInBits, unwrapDI<DIType>(Ty), + DINodeArray(unwrapDI<MDTuple>(Subscripts)))); } extern "C" LLVMMetadataRef -LLVMRustDIBuilderGetOrCreateSubrange(LLVMRustDIBuilderRef Builder, int64_t Lo, +LLVMRustDIBuilderGetOrCreateSubrange(LLVMDIBuilderRef Builder, int64_t Lo, int64_t Count) { - return wrap(Builder->getOrCreateSubrange(Lo, Count)); + return wrap(unwrap(Builder)->getOrCreateSubrange(Lo, Count)); } extern "C" LLVMMetadataRef -LLVMRustDIBuilderGetOrCreateArray(LLVMRustDIBuilderRef Builder, +LLVMRustDIBuilderGetOrCreateArray(LLVMDIBuilderRef Builder, LLVMMetadataRef *Ptr, unsigned Count) { Metadata **DataValue = unwrap(Ptr); - return wrap( - Builder->getOrCreateArray(ArrayRef<Metadata *>(DataValue, Count)).get()); + return wrap(unwrap(Builder) + ->getOrCreateArray(ArrayRef<Metadata *>(DataValue, Count)) + .get()); } -extern "C" void LLVMRustDIBuilderInsertDeclareAtEnd( - LLVMRustDIBuilderRef Builder, LLVMValueRef V, LLVMMetadataRef VarInfo, - uint64_t *AddrOps, unsigned AddrOpsCount, LLVMMetadataRef DL, - LLVMBasicBlockRef InsertAtEnd) { - Builder->insertDeclare(unwrap(V), unwrap<DILocalVariable>(VarInfo), - Builder->createExpression( - llvm::ArrayRef<uint64_t>(AddrOps, AddrOpsCount)), - DebugLoc(cast<MDNode>(unwrap(DL))), - unwrap(InsertAtEnd)); +extern "C" void +LLVMRustDIBuilderInsertDeclareAtEnd(LLVMDIBuilderRef Builder, LLVMValueRef V, + LLVMMetadataRef VarInfo, uint64_t *AddrOps, + unsigned AddrOpsCount, LLVMMetadataRef DL, + LLVMBasicBlockRef InsertAtEnd) { + unwrap(Builder)->insertDeclare( + unwrap(V), unwrap<DILocalVariable>(VarInfo), + unwrap(Builder)->createExpression( + llvm::ArrayRef<uint64_t>(AddrOps, AddrOpsCount)), + DebugLoc(cast<MDNode>(unwrap(DL))), unwrap(InsertAtEnd)); } -extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateEnumerator( - LLVMRustDIBuilderRef Builder, const char *Name, size_t NameLen, - const uint64_t Value[2], unsigned SizeInBits, bool IsUnsigned) { - return wrap(Builder->createEnumerator( +extern "C" LLVMMetadataRef +LLVMRustDIBuilderCreateEnumerator(LLVMDIBuilderRef Builder, const char *Name, + size_t NameLen, const uint64_t Value[2], + unsigned SizeInBits, bool IsUnsigned) { + return wrap(unwrap(Builder)->createEnumerator( StringRef(Name, NameLen), APSInt(APInt(SizeInBits, ArrayRef<uint64_t>(Value, 2)), IsUnsigned))); } extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateEnumerationType( - LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name, + LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name, size_t NameLen, LLVMMetadataRef File, unsigned LineNumber, uint64_t SizeInBits, uint32_t AlignInBits, LLVMMetadataRef Elements, LLVMMetadataRef ClassTy, bool IsScoped) { - return wrap(Builder->createEnumerationType( + return wrap(unwrap(Builder)->createEnumerationType( unwrapDI<DIDescriptor>(Scope), StringRef(Name, NameLen), unwrapDI<DIFile>(File), LineNumber, SizeInBits, AlignInBits, DINodeArray(unwrapDI<MDTuple>(Elements)), unwrapDI<DIType>(ClassTy), @@ -1300,12 +1305,12 @@ extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateEnumerationType( } extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateUnionType( - LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name, + LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name, size_t NameLen, LLVMMetadataRef File, unsigned LineNumber, - uint64_t SizeInBits, uint32_t AlignInBits, LLVMRustDIFlags Flags, + uint64_t SizeInBits, uint32_t AlignInBits, LLVMDIFlags Flags, LLVMMetadataRef Elements, unsigned RunTimeLang, const char *UniqueId, size_t UniqueIdLen) { - return wrap(Builder->createUnionType( + return wrap(unwrap(Builder)->createUnionType( unwrapDI<DIDescriptor>(Scope), StringRef(Name, NameLen), unwrapDI<DIFile>(File), LineNumber, SizeInBits, AlignInBits, fromRust(Flags), DINodeArray(unwrapDI<MDTuple>(Elements)), RunTimeLang, @@ -1313,28 +1318,28 @@ extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateUnionType( } extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateTemplateTypeParameter( - LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name, + LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name, size_t NameLen, LLVMMetadataRef Ty) { bool IsDefault = false; // FIXME: should we ever set this true? - return wrap(Builder->createTemplateTypeParameter( + return wrap(unwrap(Builder)->createTemplateTypeParameter( unwrapDI<DIDescriptor>(Scope), StringRef(Name, NameLen), unwrapDI<DIType>(Ty), IsDefault)); } extern "C" LLVMMetadataRef -LLVMRustDIBuilderCreateNameSpace(LLVMRustDIBuilderRef Builder, +LLVMRustDIBuilderCreateNameSpace(LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name, size_t NameLen, bool ExportSymbols) { - return wrap(Builder->createNameSpace( + return wrap(unwrap(Builder)->createNameSpace( unwrapDI<DIDescriptor>(Scope), StringRef(Name, NameLen), ExportSymbols)); } extern "C" void LLVMRustDICompositeTypeReplaceArrays( - LLVMRustDIBuilderRef Builder, LLVMMetadataRef CompositeTy, + LLVMDIBuilderRef Builder, LLVMMetadataRef CompositeTy, LLVMMetadataRef Elements, LLVMMetadataRef Params) { DICompositeType *Tmp = unwrapDI<DICompositeType>(CompositeTy); - Builder->replaceArrays(Tmp, DINodeArray(unwrap<MDTuple>(Elements)), - DINodeArray(unwrap<MDTuple>(Params))); + unwrap(Builder)->replaceArrays(Tmp, DINodeArray(unwrap<MDTuple>(Elements)), + DINodeArray(unwrap<MDTuple>(Params))); } extern "C" LLVMMetadataRef diff --git a/compiler/rustc_middle/src/middle/resolve_bound_vars.rs b/compiler/rustc_middle/src/middle/resolve_bound_vars.rs index 111ac990bc7..51a079e8bc1 100644 --- a/compiler/rustc_middle/src/middle/resolve_bound_vars.rs +++ b/compiler/rustc_middle/src/middle/resolve_bound_vars.rs @@ -45,15 +45,22 @@ pub enum ObjectLifetimeDefault { Param(DefId), } -/// Maps the id of each lifetime reference to the lifetime decl +/// Maps the id of each bound variable reference to the variable decl /// that it corresponds to. -#[derive(HashStable, Debug)] +#[derive(Debug, Default, HashStable)] pub struct ResolveBoundVars { - /// Maps from every use of a named (not anonymous) lifetime to a - /// `Region` describing how that region is bound + // Maps from every use of a named (not anonymous) bound var to a + // `ResolvedArg` describing how that variable is bound. pub defs: SortedMap<ItemLocalId, ResolvedArg>, + // Maps relevant hir items to the bound vars on them. These include: + // - function defs + // - function pointers + // - closures + // - trait refs + // - bound types (like `T` in `for<'a> T<'a>: Foo`) pub late_bound_vars: SortedMap<ItemLocalId, Vec<ty::BoundVariableKind>>, + // List captured variables for each opaque type. pub opaque_captured_lifetimes: LocalDefIdMap<Vec<(ResolvedArg, LocalDefId)>>, } diff --git a/compiler/rustc_middle/src/mir/consts.rs b/compiler/rustc_middle/src/mir/consts.rs index 66d97fda433..923160cc0cc 100644 --- a/compiler/rustc_middle/src/mir/consts.rs +++ b/compiler/rustc_middle/src/mir/consts.rs @@ -250,7 +250,7 @@ impl<'tcx> Const<'tcx> { // Dont use the outer ty as on invalid code we can wind up with them not being the same. // this then results in allowing const eval to add `1_i64 + 1_usize` in cases where the mir // was originally `({N: usize} + 1_usize)` under `generic_const_exprs`. - ty::ConstKind::Value(ty, _) => ty, + ty::ConstKind::Value(cv) => cv.ty, _ => *ty, } } @@ -264,7 +264,7 @@ impl<'tcx> Const<'tcx> { pub fn is_required_const(&self) -> bool { match self { Const::Ty(_, c) => match c.kind() { - ty::ConstKind::Value(_, _) => false, // already a value, cannot error + ty::ConstKind::Value(_) => false, // already a value, cannot error _ => true, }, Const::Val(..) => false, // already a value, cannot error @@ -276,11 +276,11 @@ impl<'tcx> Const<'tcx> { pub fn try_to_scalar(self) -> Option<Scalar> { match self { Const::Ty(_, c) => match c.kind() { - ty::ConstKind::Value(ty, valtree) if ty.is_primitive() => { + ty::ConstKind::Value(cv) if cv.ty.is_primitive() => { // A valtree of a type where leaves directly represent the scalar const value. // Just checking whether it is a leaf is insufficient as e.g. references are leafs // but the leaf value is the value they point to, not the reference itself! - Some(valtree.unwrap_leaf().into()) + Some(cv.valtree.unwrap_leaf().into()) } _ => None, }, @@ -295,9 +295,7 @@ impl<'tcx> Const<'tcx> { match self { Const::Val(ConstValue::Scalar(Scalar::Int(x)), _) => Some(x), Const::Ty(_, c) => match c.kind() { - ty::ConstKind::Value(ty, valtree) if ty.is_primitive() => { - Some(valtree.unwrap_leaf()) - } + ty::ConstKind::Value(cv) if cv.ty.is_primitive() => Some(cv.valtree.unwrap_leaf()), _ => None, }, _ => None, @@ -328,7 +326,7 @@ impl<'tcx> Const<'tcx> { } match c.kind() { - ConstKind::Value(ty, val) => Ok(tcx.valtree_to_const_val((ty, val))), + ConstKind::Value(cv) => Ok(tcx.valtree_to_const_val(cv)), ConstKind::Expr(_) => { bug!("Normalization of `ty::ConstKind::Expr` is unimplemented") } @@ -353,13 +351,13 @@ impl<'tcx> Const<'tcx> { typing_env: ty::TypingEnv<'tcx>, ) -> Option<Scalar> { if let Const::Ty(_, c) = self - && let ty::ConstKind::Value(ty, val) = c.kind() - && ty.is_primitive() + && let ty::ConstKind::Value(cv) = c.kind() + && cv.ty.is_primitive() { // Avoid the `valtree_to_const_val` query. Can only be done on primitive types that // are valtree leaves, and *not* on references. (References should return the // pointer here, which valtrees don't represent.) - Some(val.unwrap_leaf().into()) + Some(cv.valtree.unwrap_leaf().into()) } else { self.eval(tcx, typing_env, DUMMY_SP).ok()?.try_to_scalar() } @@ -473,7 +471,7 @@ impl<'tcx> Const<'tcx> { // A valtree may be a reference. Valtree references correspond to a // different allocation each time they are evaluated. Valtrees for primitive // types are fine though. - ty::ConstKind::Value(ty, _) => ty.is_primitive(), + ty::ConstKind::Value(cv) => cv.ty.is_primitive(), ty::ConstKind::Unevaluated(..) | ty::ConstKind::Expr(..) => false, // This can happen if evaluation of a constant failed. The result does not matter // much since compilation is doomed. diff --git a/compiler/rustc_middle/src/mir/pretty.rs b/compiler/rustc_middle/src/mir/pretty.rs index 3b4fba97e60..a318bacb866 100644 --- a/compiler/rustc_middle/src/mir/pretty.rs +++ b/compiler/rustc_middle/src/mir/pretty.rs @@ -1441,7 +1441,9 @@ impl<'tcx> Visitor<'tcx> for ExtraComments<'tcx> { ty::ConstKind::Unevaluated(uv) => { format!("ty::Unevaluated({}, {:?})", self.tcx.def_path_str(uv.def), uv.args,) } - ty::ConstKind::Value(_, val) => format!("ty::Valtree({})", fmt_valtree(&val)), + ty::ConstKind::Value(cv) => { + format!("ty::Valtree({})", fmt_valtree(&cv.valtree)) + } // No `ty::` prefix since we also use this to represent errors from `mir::Unevaluated`. ty::ConstKind::Error(_) => "Error".to_string(), // These variants shouldn't exist in the MIR. diff --git a/compiler/rustc_middle/src/query/keys.rs b/compiler/rustc_middle/src/query/keys.rs index e243425c0b7..949d8303385 100644 --- a/compiler/rustc_middle/src/query/keys.rs +++ b/compiler/rustc_middle/src/query/keys.rs @@ -95,7 +95,7 @@ impl<'tcx> Key for mir::interpret::GlobalId<'tcx> { } } -impl<'tcx> Key for (Ty<'tcx>, Option<ty::PolyExistentialTraitRef<'tcx>>) { +impl<'tcx> Key for (Ty<'tcx>, Option<ty::ExistentialTraitRef<'tcx>>) { type Cache<V> = DefaultCache<Self, V>; fn default_span(&self, _: TyCtxt<'_>) -> Span { @@ -550,7 +550,7 @@ impl<'tcx> Key for (ty::Instance<'tcx>, &'tcx ty::List<Ty<'tcx>>) { } } -impl<'tcx> Key for (Ty<'tcx>, ty::ValTree<'tcx>) { +impl<'tcx> Key for ty::Value<'tcx> { type Cache<V> = DefaultCache<Self, V>; fn default_span(&self, _: TyCtxt<'_>) -> Span { diff --git a/compiler/rustc_middle/src/query/mod.rs b/compiler/rustc_middle/src/query/mod.rs index d83bc19a6a2..41e9858030c 100644 --- a/compiler/rustc_middle/src/query/mod.rs +++ b/compiler/rustc_middle/src/query/mod.rs @@ -1256,9 +1256,9 @@ rustc_queries! { desc { "evaluating type-level constant" } } - /// Converts a type level constant value into `ConstValue` - query valtree_to_const_val(key: (Ty<'tcx>, ty::ValTree<'tcx>)) -> mir::ConstValue<'tcx> { - desc { "converting type-level constant value to mir constant value"} + /// Converts a type-level constant value into a MIR constant value. + query valtree_to_const_val(key: ty::Value<'tcx>) -> mir::ConstValue<'tcx> { + desc { "converting type-level constant value to MIR constant value"} } /// Destructures array, ADT or tuple constants into the constants @@ -1437,9 +1437,9 @@ rustc_queries! { desc { |tcx| "finding all existential vtable entries for trait `{}`", tcx.def_path_str(key) } } - query vtable_entries(key: ty::PolyTraitRef<'tcx>) + query vtable_entries(key: ty::TraitRef<'tcx>) -> &'tcx [ty::VtblEntry<'tcx>] { - desc { |tcx| "finding all vtable entries for trait `{}`", tcx.def_path_str(key.def_id()) } + desc { |tcx| "finding all vtable entries for trait `{}`", tcx.def_path_str(key.def_id) } } query first_method_vtable_slot(key: ty::TraitRef<'tcx>) -> usize { @@ -1451,7 +1451,7 @@ rustc_queries! { key.1, key.0 } } - query vtable_allocation(key: (Ty<'tcx>, Option<ty::PolyExistentialTraitRef<'tcx>>)) -> mir::interpret::AllocId { + query vtable_allocation(key: (Ty<'tcx>, Option<ty::ExistentialTraitRef<'tcx>>)) -> mir::interpret::AllocId { desc { |tcx| "vtable const allocation for <{} as {}>", key.0, key.1.map(|trait_ref| format!("{trait_ref}")).unwrap_or("_".to_owned()) diff --git a/compiler/rustc_middle/src/ty/consts.rs b/compiler/rustc_middle/src/ty/consts.rs index 31055276422..d77fb1cc91e 100644 --- a/compiler/rustc_middle/src/ty/consts.rs +++ b/compiler/rustc_middle/src/ty/consts.rs @@ -5,7 +5,6 @@ use rustc_error_messages::MultiSpan; use rustc_macros::HashStable; use rustc_type_ir::{self as ir, TypeFlags, WithCachedTypeInfo}; -use crate::mir::interpret::Scalar; use crate::ty::{self, Ty, TyCtxt}; mod int; @@ -110,8 +109,8 @@ impl<'tcx> Const<'tcx> { } #[inline] - pub fn new_value(tcx: TyCtxt<'tcx>, val: ty::ValTree<'tcx>, ty: Ty<'tcx>) -> Const<'tcx> { - Const::new(tcx, ty::ConstKind::Value(ty, val)) + pub fn new_value(tcx: TyCtxt<'tcx>, valtree: ty::ValTree<'tcx>, ty: Ty<'tcx>) -> Const<'tcx> { + Const::new(tcx, ty::ConstKind::Value(ty::Value { ty, valtree })) } #[inline] @@ -214,47 +213,31 @@ impl<'tcx> Const<'tcx> { Self::from_bits(tcx, n as u128, ty::TypingEnv::fully_monomorphized(), tcx.types.usize) } - /// Panics if self.kind != ty::ConstKind::Value - pub fn to_valtree(self) -> (ty::ValTree<'tcx>, Ty<'tcx>) { + /// Panics if `self.kind != ty::ConstKind::Value`. + pub fn to_value(self) -> ty::Value<'tcx> { match self.kind() { - ty::ConstKind::Value(ty, valtree) => (valtree, ty), + ty::ConstKind::Value(cv) => cv, _ => bug!("expected ConstKind::Value, got {:?}", self.kind()), } } - /// Attempts to convert to a `ValTree` - pub fn try_to_valtree(self) -> Option<(ty::ValTree<'tcx>, Ty<'tcx>)> { + /// Attempts to convert to a value. + /// + /// Note that this does not evaluate the constant. + pub fn try_to_value(self) -> Option<ty::Value<'tcx>> { match self.kind() { - ty::ConstKind::Value(ty, valtree) => Some((valtree, ty)), + ty::ConstKind::Value(cv) => Some(cv), _ => None, } } - #[inline] - pub fn try_to_scalar(self) -> Option<(Scalar, Ty<'tcx>)> { - let (valtree, ty) = self.try_to_valtree()?; - Some((valtree.try_to_scalar()?, ty)) - } - - pub fn try_to_bool(self) -> Option<bool> { - self.try_to_valtree()?.0.try_to_scalar_int()?.try_to_bool().ok() - } - + /// Convenience method to extract the value of a usize constant, + /// useful to get the length of an array type. + /// + /// Note that this does not evaluate the constant. #[inline] pub fn try_to_target_usize(self, tcx: TyCtxt<'tcx>) -> Option<u64> { - self.try_to_valtree()?.0.try_to_target_usize(tcx) - } - - /// Attempts to evaluate the given constant to bits. Can fail to evaluate in the presence of - /// generics (or erroneous code) or if the value can't be represented as bits (e.g. because it - /// contains const generic parameters or pointers). - #[inline] - pub fn try_to_bits(self, tcx: TyCtxt<'tcx>, typing_env: ty::TypingEnv<'tcx>) -> Option<u128> { - let (scalar, ty) = self.try_to_scalar()?; - let scalar = scalar.try_to_scalar_int().ok()?; - let input = typing_env.with_post_analysis_normalized(tcx).as_query_input(ty); - let size = tcx.layout_of(input).ok()?.size; - Some(scalar.to_bits(size)) + self.try_to_value()?.try_to_target_usize(tcx) } pub fn is_ct_infer(self) -> bool { diff --git a/compiler/rustc_middle/src/ty/consts/valtree.rs b/compiler/rustc_middle/src/ty/consts/valtree.rs index 9f9bf41c335..d914b7576dc 100644 --- a/compiler/rustc_middle/src/ty/consts/valtree.rs +++ b/compiler/rustc_middle/src/ty/consts/valtree.rs @@ -1,11 +1,9 @@ -use rustc_macros::{HashStable, TyDecodable, TyEncodable}; +use rustc_macros::{HashStable, TyDecodable, TyEncodable, TypeFoldable, TypeVisitable}; use super::ScalarInt; use crate::mir::interpret::Scalar; use crate::ty::{self, Ty, TyCtxt}; -#[derive(Copy, Clone, Debug, Hash, TyEncodable, TyDecodable, Eq, PartialEq)] -#[derive(HashStable)] /// This datastructure is used to represent the value of constants used in the type system. /// /// We explicitly choose a different datastructure from the way values are processed within @@ -18,6 +16,8 @@ use crate::ty::{self, Ty, TyCtxt}; /// /// `ValTree` does not have this problem with representation, as it only contains integers or /// lists of (nested) `ValTree`. +#[derive(Copy, Clone, Debug, Hash, Eq, PartialEq)] +#[derive(HashStable, TyEncodable, TyDecodable)] pub enum ValTree<'tcx> { /// integers, `bool`, `char` are represented as scalars. /// See the `ScalarInt` documentation for how `ScalarInt` guarantees that equal values @@ -79,10 +79,6 @@ impl<'tcx> ValTree<'tcx> { } } - pub fn try_to_target_usize(self, tcx: TyCtxt<'tcx>) -> Option<u64> { - self.try_to_scalar_int().map(|s| s.to_target_usize(tcx)) - } - /// Get the values inside the ValTree as a slice of bytes. This only works for /// constants with types &str, &[u8], or [u8; _]. pub fn try_to_raw_bytes(self, tcx: TyCtxt<'tcx>, ty: Ty<'tcx>) -> Option<&'tcx [u8]> { @@ -107,3 +103,54 @@ impl<'tcx> ValTree<'tcx> { ) } } + +/// A type-level constant value. +/// +/// Represents a typed, fully evaluated constant. +#[derive(Copy, Clone, Debug, Hash, Eq, PartialEq)] +#[derive(HashStable, TyEncodable, TyDecodable, TypeFoldable, TypeVisitable)] +pub struct Value<'tcx> { + pub ty: Ty<'tcx>, + pub valtree: ValTree<'tcx>, +} + +impl<'tcx> Value<'tcx> { + /// Attempts to extract the raw bits from the constant. + /// + /// Fails if the value can't be represented as bits (e.g. because it is a reference + /// or an aggregate). + #[inline] + pub fn try_to_bits(self, tcx: TyCtxt<'tcx>, typing_env: ty::TypingEnv<'tcx>) -> Option<u128> { + let (ty::Bool | ty::Char | ty::Uint(_) | ty::Int(_) | ty::Float(_)) = self.ty.kind() else { + return None; + }; + let scalar = self.valtree.try_to_scalar_int()?; + let input = typing_env.with_post_analysis_normalized(tcx).as_query_input(self.ty); + let size = tcx.layout_of(input).ok()?.size; + Some(scalar.to_bits(size)) + } + + pub fn try_to_bool(self) -> Option<bool> { + if !self.ty.is_bool() { + return None; + } + self.valtree.try_to_scalar_int()?.try_to_bool().ok() + } + + pub fn try_to_target_usize(self, tcx: TyCtxt<'tcx>) -> Option<u64> { + if !self.ty.is_usize() { + return None; + } + self.valtree.try_to_scalar_int().map(|s| s.to_target_usize(tcx)) + } +} + +impl<'tcx> rustc_type_ir::inherent::ValueConst<TyCtxt<'tcx>> for Value<'tcx> { + fn ty(self) -> Ty<'tcx> { + self.ty + } + + fn valtree(self) -> ValTree<'tcx> { + self.valtree + } +} diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index 0c22c056dab..69f6fc0ad8a 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -142,10 +142,11 @@ impl<'tcx> Interner for TyCtxt<'tcx> { type ParamConst = ty::ParamConst; type BoundConst = ty::BoundVar; - type ValueConst = ty::ValTree<'tcx>; + type ValueConst = ty::Value<'tcx>; type ExprConst = ty::Expr<'tcx>; - type Region = Region<'tcx>; + type ValTree = ty::ValTree<'tcx>; + type Region = Region<'tcx>; type EarlyParamRegion = ty::EarlyParamRegion; type LateParamRegion = ty::LateParamRegion; type BoundRegion = ty::BoundRegion; @@ -1118,15 +1119,18 @@ impl<'tcx> CommonConsts<'tcx> { }; CommonConsts { - unit: mk_const(ty::ConstKind::Value(types.unit, ty::ValTree::zst())), - true_: mk_const(ty::ConstKind::Value( - types.bool, - ty::ValTree::Leaf(ty::ScalarInt::TRUE), - )), - false_: mk_const(ty::ConstKind::Value( - types.bool, - ty::ValTree::Leaf(ty::ScalarInt::FALSE), - )), + unit: mk_const(ty::ConstKind::Value(ty::Value { + ty: types.unit, + valtree: ty::ValTree::zst(), + })), + true_: mk_const(ty::ConstKind::Value(ty::Value { + ty: types.bool, + valtree: ty::ValTree::Leaf(ty::ScalarInt::TRUE), + })), + false_: mk_const(ty::ConstKind::Value(ty::Value { + ty: types.bool, + valtree: ty::ValTree::Leaf(ty::ScalarInt::FALSE), + })), } } } diff --git a/compiler/rustc_middle/src/ty/flags.rs b/compiler/rustc_middle/src/ty/flags.rs index 0af57f636aa..ec0498b168c 100644 --- a/compiler/rustc_middle/src/ty/flags.rs +++ b/compiler/rustc_middle/src/ty/flags.rs @@ -381,7 +381,7 @@ impl FlagComputation { self.add_flags(TypeFlags::HAS_CT_PLACEHOLDER); self.add_flags(TypeFlags::STILL_FURTHER_SPECIALIZABLE); } - ty::ConstKind::Value(ty, _) => self.add_ty(ty), + ty::ConstKind::Value(cv) => self.add_ty(cv.ty), ty::ConstKind::Expr(e) => self.add_args(e.args()), ty::ConstKind::Error(_) => self.add_flags(TypeFlags::HAS_ERROR), } diff --git a/compiler/rustc_middle/src/ty/layout.rs b/compiler/rustc_middle/src/ty/layout.rs index b212992bd2d..3ced64b5b80 100644 --- a/compiler/rustc_middle/src/ty/layout.rs +++ b/compiler/rustc_middle/src/ty/layout.rs @@ -858,7 +858,12 @@ where } let mk_dyn_vtable = |principal: Option<ty::PolyExistentialTraitRef<'tcx>>| { - let min_count = ty::vtable_min_entries(tcx, principal); + let min_count = ty::vtable_min_entries( + tcx, + principal.map(|principal| { + tcx.instantiate_bound_regions_with_erased(principal) + }), + ); Ty::new_imm_ref( tcx, tcx.lifetimes.re_static, diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index 8cd632790a8..88eea6101b5 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -60,7 +60,7 @@ pub use self::closure::{ place_to_string_for_capture, }; pub use self::consts::{ - Const, ConstInt, ConstKind, Expr, ExprKind, ScalarInt, UnevaluatedConst, ValTree, + Const, ConstInt, ConstKind, Expr, ExprKind, ScalarInt, UnevaluatedConst, ValTree, Value, }; pub use self::context::{ CtxtInterners, CurrentGcx, DeducedParamAttrs, Feed, FreeRegionInfo, GlobalCtxt, Lift, TyCtxt, diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index 027a4315b4b..018fcc66aee 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -1484,8 +1484,8 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write { _ => write!(self, "_")?, }, ty::ConstKind::Param(ParamConst { name, .. }) => p!(write("{}", name)), - ty::ConstKind::Value(ty, value) => { - return self.pretty_print_const_valtree(value, ty, print_ty); + ty::ConstKind::Value(cv) => { + return self.pretty_print_const_valtree(cv.valtree, cv.ty, print_ty); } ty::ConstKind::Bound(debruijn, bound_var) => { @@ -1637,33 +1637,32 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write { match ty.kind() { // Byte strings (&[u8; N]) ty::Ref(_, inner, _) => { - if let ty::Array(elem, len) = inner.kind() { - if let ty::Uint(ty::UintTy::U8) = elem.kind() { - if let ty::ConstKind::Value(_, ty::ValTree::Leaf(int)) = len.kind() { - match self.tcx().try_get_global_alloc(prov.alloc_id()) { - Some(GlobalAlloc::Memory(alloc)) => { - let len = int.to_bits(self.tcx().data_layout.pointer_size); - let range = - AllocRange { start: offset, size: Size::from_bytes(len) }; - if let Ok(byte_str) = - alloc.inner().get_bytes_strip_provenance(&self.tcx(), range) - { - p!(pretty_print_byte_str(byte_str)) - } else { - p!("<too short allocation>") - } - } - // FIXME: for statics, vtables, and functions, we could in principle print more detail. - Some(GlobalAlloc::Static(def_id)) => { - p!(write("<static({:?})>", def_id)) - } - Some(GlobalAlloc::Function { .. }) => p!("<function>"), - Some(GlobalAlloc::VTable(..)) => p!("<vtable>"), - None => p!("<dangling pointer>"), + if let ty::Array(elem, len) = inner.kind() + && let ty::Uint(ty::UintTy::U8) = elem.kind() + && let ty::ConstKind::Value(cv) = len.kind() + && let ty::ValTree::Leaf(int) = cv.valtree + { + match self.tcx().try_get_global_alloc(prov.alloc_id()) { + Some(GlobalAlloc::Memory(alloc)) => { + let len = int.to_bits(self.tcx().data_layout.pointer_size); + let range = AllocRange { start: offset, size: Size::from_bytes(len) }; + if let Ok(byte_str) = + alloc.inner().get_bytes_strip_provenance(&self.tcx(), range) + { + p!(pretty_print_byte_str(byte_str)) + } else { + p!("<too short allocation>") } - return Ok(()); } + // FIXME: for statics, vtables, and functions, we could in principle print more detail. + Some(GlobalAlloc::Static(def_id)) => { + p!(write("<static({:?})>", def_id)) + } + Some(GlobalAlloc::Function { .. }) => p!("<function>"), + Some(GlobalAlloc::VTable(..)) => p!("<vtable>"), + None => p!("<dangling pointer>"), } + return Ok(()); } } ty::FnPtr(..) => { @@ -1786,6 +1785,7 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write { Ok(()) } + // FIXME(valtrees): Accept `ty::Value` instead of `Ty` and `ty::ValTree` separately. fn pretty_print_const_valtree( &mut self, valtree: ty::ValTree<'tcx>, diff --git a/compiler/rustc_middle/src/ty/return_position_impl_trait_in_trait.rs b/compiler/rustc_middle/src/ty/return_position_impl_trait_in_trait.rs index cbc02097d82..568e504b940 100644 --- a/compiler/rustc_middle/src/ty/return_position_impl_trait_in_trait.rs +++ b/compiler/rustc_middle/src/ty/return_position_impl_trait_in_trait.rs @@ -4,7 +4,7 @@ use crate::ty::{self, ExistentialPredicateStableCmpExt, TyCtxt}; impl<'tcx> TyCtxt<'tcx> { /// Given a `def_id` of a trait or impl method, compute whether that method needs to - /// have an RPITIT shim applied to it for it to be object safe. If so, return the + /// have an RPITIT shim applied to it for it to be dyn compatible. If so, return the /// `def_id` of the RPITIT, and also the args of trait method that returns the RPITIT. /// /// NOTE that these args are not, in general, the same as than the RPITIT's args. They diff --git a/compiler/rustc_middle/src/ty/structural_impls.rs b/compiler/rustc_middle/src/ty/structural_impls.rs index 68cb56f3583..9e9de4fb064 100644 --- a/compiler/rustc_middle/src/ty/structural_impls.rs +++ b/compiler/rustc_middle/src/ty/structural_impls.rs @@ -162,16 +162,15 @@ impl<'tcx> fmt::Debug for ty::consts::Expr<'tcx> { impl<'tcx> fmt::Debug for ty::Const<'tcx> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { // If this is a value, we spend some effort to make it look nice. - if let ConstKind::Value(_, _) = self.kind() { + if let ConstKind::Value(_) = self.kind() { return ty::tls::with(move |tcx| { - // Somehow trying to lift the valtree results in lifetime errors, so we lift the - // entire constant. + // ValTrees aren't interned, so we lift the entire constant. let lifted = tcx.lift(*self).unwrap(); - let ConstKind::Value(ty, valtree) = lifted.kind() else { + let ConstKind::Value(cv) = lifted.kind() else { bug!("we checked that this is a valtree") }; let mut cx = FmtPrinter::new(tcx, Namespace::ValueNS); - cx.pretty_print_const_valtree(valtree, ty, /*print_ty*/ true)?; + cx.pretty_print_const_valtree(cv.valtree, cv.ty, /*print_ty*/ true)?; f.write_str(&cx.into_buffer()) }); } @@ -589,9 +588,7 @@ impl<'tcx> TypeSuperFoldable<TyCtxt<'tcx>> for ty::Const<'tcx> { } ConstKind::Placeholder(p) => ConstKind::Placeholder(p.try_fold_with(folder)?), ConstKind::Unevaluated(uv) => ConstKind::Unevaluated(uv.try_fold_with(folder)?), - ConstKind::Value(t, v) => { - ConstKind::Value(t.try_fold_with(folder)?, v.try_fold_with(folder)?) - } + ConstKind::Value(v) => ConstKind::Value(v.try_fold_with(folder)?), ConstKind::Error(e) => ConstKind::Error(e.try_fold_with(folder)?), ConstKind::Expr(e) => ConstKind::Expr(e.try_fold_with(folder)?), }; @@ -610,10 +607,7 @@ impl<'tcx> TypeSuperVisitable<TyCtxt<'tcx>> for ty::Const<'tcx> { } ConstKind::Placeholder(p) => p.visit_with(visitor), ConstKind::Unevaluated(uv) => uv.visit_with(visitor), - ConstKind::Value(t, v) => { - try_visit!(t.visit_with(visitor)); - v.visit_with(visitor) - } + ConstKind::Value(v) => v.visit_with(visitor), ConstKind::Error(e) => e.visit_with(visitor), ConstKind::Expr(e) => e.visit_with(visitor), } diff --git a/compiler/rustc_middle/src/ty/vtable.rs b/compiler/rustc_middle/src/ty/vtable.rs index 455bd16ff8c..6c9e0e7c0eb 100644 --- a/compiler/rustc_middle/src/ty/vtable.rs +++ b/compiler/rustc_middle/src/ty/vtable.rs @@ -7,7 +7,7 @@ use rustc_type_ir::elaborate; use crate::mir::interpret::{ AllocId, AllocInit, Allocation, CTFE_ALLOC_SALT, Pointer, Scalar, alloc_range, }; -use crate::ty::{self, Instance, PolyTraitRef, Ty, TyCtxt}; +use crate::ty::{self, Instance, TraitRef, Ty, TyCtxt}; #[derive(Clone, Copy, PartialEq, HashStable)] pub enum VtblEntry<'tcx> { @@ -22,7 +22,7 @@ pub enum VtblEntry<'tcx> { /// dispatchable associated function Method(Instance<'tcx>), /// pointer to a separate supertrait vtable, can be used by trait upcasting coercion - TraitVPtr(PolyTraitRef<'tcx>), + TraitVPtr(TraitRef<'tcx>), } impl<'tcx> fmt::Debug for VtblEntry<'tcx> { @@ -59,7 +59,7 @@ pub const COMMON_VTABLE_ENTRIES_ALIGN: usize = 2; // function is an accurate approximation. We verify this when actually computing the vtable below. pub(crate) fn vtable_min_entries<'tcx>( tcx: TyCtxt<'tcx>, - trait_ref: Option<ty::PolyExistentialTraitRef<'tcx>>, + trait_ref: Option<ty::ExistentialTraitRef<'tcx>>, ) -> usize { let mut count = TyCtxt::COMMON_VTABLE_ENTRIES.len(); let Some(trait_ref) = trait_ref else { @@ -67,7 +67,7 @@ pub(crate) fn vtable_min_entries<'tcx>( }; // This includes self in supertraits. - for def_id in elaborate::supertrait_def_ids(tcx, trait_ref.def_id()) { + for def_id in elaborate::supertrait_def_ids(tcx, trait_ref.def_id) { count += tcx.own_existential_vtable_entries(def_id).len(); } @@ -83,7 +83,7 @@ pub(crate) fn vtable_min_entries<'tcx>( /// initial contents.) pub(super) fn vtable_allocation_provider<'tcx>( tcx: TyCtxt<'tcx>, - key: (Ty<'tcx>, Option<ty::PolyExistentialTraitRef<'tcx>>), + key: (Ty<'tcx>, Option<ty::ExistentialTraitRef<'tcx>>), ) -> AllocId { let (ty, poly_trait_ref) = key; @@ -118,7 +118,7 @@ pub(super) fn vtable_allocation_provider<'tcx>( for (idx, entry) in vtable_entries.iter().enumerate() { let idx: u64 = u64::try_from(idx).unwrap(); - let scalar = match entry { + let scalar = match *entry { VtblEntry::MetadataDropInPlace => { if ty.needs_drop(tcx, ty::TypingEnv::fully_monomorphized()) { let instance = ty::Instance::resolve_drop_in_place(tcx, ty); @@ -134,13 +134,12 @@ pub(super) fn vtable_allocation_provider<'tcx>( VtblEntry::Vacant => continue, VtblEntry::Method(instance) => { // Prepare the fn ptr we write into the vtable. - let fn_alloc_id = tcx.reserve_and_set_fn_alloc(*instance, CTFE_ALLOC_SALT); + let fn_alloc_id = tcx.reserve_and_set_fn_alloc(instance, CTFE_ALLOC_SALT); let fn_ptr = Pointer::from(fn_alloc_id); Scalar::from_pointer(fn_ptr, &tcx) } VtblEntry::TraitVPtr(trait_ref) => { - let super_trait_ref = trait_ref - .map_bound(|trait_ref| ty::ExistentialTraitRef::erase_self_ty(tcx, trait_ref)); + let super_trait_ref = ty::ExistentialTraitRef::erase_self_ty(tcx, trait_ref); let supertrait_alloc_id = tcx.vtable_allocation((ty, Some(super_trait_ref))); let vptr = Pointer::from(supertrait_alloc_id); Scalar::from_pointer(vptr, &tcx) diff --git a/compiler/rustc_middle/src/ty/walk.rs b/compiler/rustc_middle/src/ty/walk.rs index 2dcba8c2f82..3e8a3d1a289 100644 --- a/compiler/rustc_middle/src/ty/walk.rs +++ b/compiler/rustc_middle/src/ty/walk.rs @@ -206,7 +206,7 @@ fn push_inner<'tcx>(stack: &mut TypeWalkerStack<'tcx>, parent: GenericArg<'tcx>) | ty::ConstKind::Bound(..) | ty::ConstKind::Error(_) => {} - ty::ConstKind::Value(ty, _) => stack.push(ty.into()), + ty::ConstKind::Value(cv) => stack.push(cv.ty.into()), ty::ConstKind::Expr(expr) => stack.extend(expr.args().iter().rev()), ty::ConstKind::Unevaluated(ct) => { diff --git a/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs b/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs index 3853b95f78b..cc6d69710e4 100644 --- a/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs +++ b/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs @@ -46,7 +46,7 @@ impl<'a, 'tcx> PatCtxt<'a, 'tcx> { match c.kind() { ty::ConstKind::Unevaluated(uv) => convert.unevaluated_to_pat(uv, ty), - ty::ConstKind::Value(_, val) => convert.valtree_to_pat(val, ty), + ty::ConstKind::Value(cv) => convert.valtree_to_pat(cv.valtree, cv.ty), _ => span_bug!(span, "Invalid `ConstKind` for `const_to_pat`: {:?}", c), } } @@ -214,6 +214,7 @@ impl<'tcx> ConstToPat<'tcx> { } // Recursive helper for `to_pat`; invoke that (instead of calling this directly). + // FIXME(valtrees): Accept `ty::Value` instead of `Ty` and `ty::ValTree` separately. #[instrument(skip(self), level = "debug")] fn valtree_to_pat(&self, cv: ValTree<'tcx>, ty: Ty<'tcx>) -> Box<Pat<'tcx>> { let span = self.span; diff --git a/compiler/rustc_monomorphize/src/collector.rs b/compiler/rustc_monomorphize/src/collector.rs index d53848f7461..150594ab94d 100644 --- a/compiler/rustc_monomorphize/src/collector.rs +++ b/compiler/rustc_monomorphize/src/collector.rs @@ -1138,11 +1138,12 @@ fn create_mono_items_for_vtable_methods<'tcx>( bug!("create_mono_items_for_vtable_methods: {trait_ty:?} not a trait type"); }; if let Some(principal) = trait_ty.principal() { - let poly_trait_ref = principal.with_self_ty(tcx, impl_ty); - assert!(!poly_trait_ref.has_escaping_bound_vars()); + let trait_ref = + tcx.instantiate_bound_regions_with_erased(principal.with_self_ty(tcx, impl_ty)); + assert!(!trait_ref.has_escaping_bound_vars()); // Walk all methods of the trait, including those of its supertraits - let entries = tcx.vtable_entries(poly_trait_ref); + let entries = tcx.vtable_entries(trait_ref); debug!(?entries); let methods = entries .iter() @@ -1197,7 +1198,12 @@ fn collect_alloc<'tcx>(tcx: TyCtxt<'tcx>, alloc_id: AllocId, output: &mut MonoIt } } GlobalAlloc::VTable(ty, dyn_ty) => { - let alloc_id = tcx.vtable_allocation((ty, dyn_ty.principal())); + let alloc_id = tcx.vtable_allocation(( + ty, + dyn_ty + .principal() + .map(|principal| tcx.instantiate_bound_regions_with_erased(principal)), + )); collect_alloc(tcx, alloc_id, output) } } diff --git a/compiler/rustc_next_trait_solver/src/canonicalizer.rs b/compiler/rustc_next_trait_solver/src/canonicalizer.rs index 62a7c84bc28..7eeed721d5a 100644 --- a/compiler/rustc_next_trait_solver/src/canonicalizer.rs +++ b/compiler/rustc_next_trait_solver/src/canonicalizer.rs @@ -522,7 +522,7 @@ impl<D: SolverDelegate<Interner = I>, I: Interner> TypeFolder<I> for Canonicaliz // FIXME: See comment above -- we could fold the region separately or something. ty::ConstKind::Bound(_, _) | ty::ConstKind::Unevaluated(_) - | ty::ConstKind::Value(_, _) + | ty::ConstKind::Value(_) | ty::ConstKind::Error(_) | ty::ConstKind::Expr(_) => return c.super_fold_with(self), }; diff --git a/compiler/rustc_next_trait_solver/src/solve/mod.rs b/compiler/rustc_next_trait_solver/src/solve/mod.rs index 8d1194ee539..1fa35b60304 100644 --- a/compiler/rustc_next_trait_solver/src/solve/mod.rs +++ b/compiler/rustc_next_trait_solver/src/solve/mod.rs @@ -160,9 +160,7 @@ where ty::ConstKind::Infer(_) => { self.evaluate_added_goals_and_make_canonical_response(Certainty::AMBIGUOUS) } - ty::ConstKind::Placeholder(_) - | ty::ConstKind::Value(_, _) - | ty::ConstKind::Error(_) => { + ty::ConstKind::Placeholder(_) | ty::ConstKind::Value(_) | ty::ConstKind::Error(_) => { self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) } // We can freely ICE here as: @@ -199,7 +197,7 @@ where unreachable!("`ConstKind::Param` should have been canonicalized to `Placeholder`") } ty::ConstKind::Bound(_, _) => panic!("escaping bound vars in {:?}", ct), - ty::ConstKind::Value(ty, _) => ty, + ty::ConstKind::Value(cv) => cv.ty(), ty::ConstKind::Placeholder(placeholder) => { self.cx().find_const_ty_from_env(goal.param_env, placeholder) } diff --git a/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/encode.rs b/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/encode.rs index 09648e28df4..5f0c1afdf64 100644 --- a/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/encode.rs +++ b/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/encode.rs @@ -103,7 +103,7 @@ fn encode_args<'tcx>( /// <https://itanium-cxx-abi.github.io/cxx-abi/abi.html#mangling.literal>). fn encode_const<'tcx>( tcx: TyCtxt<'tcx>, - c: Const<'tcx>, + ct: Const<'tcx>, ct_ty: Ty<'tcx>, dict: &mut FxHashMap<DictKey<'tcx>, usize>, options: EncodeTyOptions, @@ -111,7 +111,7 @@ fn encode_const<'tcx>( // L<element-type>[n][<element-value>]E as literal argument let mut s = String::from('L'); - match c.kind() { + match ct.kind() { // Const parameters ty::ConstKind::Param(..) => { // L<element-type>E as literal argument @@ -121,18 +121,18 @@ fn encode_const<'tcx>( } // Literal arguments - ty::ConstKind::Value(ct_ty, ..) => { + ty::ConstKind::Value(cv) => { // L<element-type>[n]<element-value>E as literal argument // Element type - s.push_str(&encode_ty(tcx, ct_ty, dict, options)); + s.push_str(&encode_ty(tcx, cv.ty, dict, options)); // The only allowed types of const values are bool, u8, u16, u32, // u64, u128, usize i8, i16, i32, i64, i128, isize, and char. The // bool value false is encoded as 0 and true as 1. - match ct_ty.kind() { + match cv.ty.kind() { ty::Int(ity) => { - let bits = c + let bits = cv .try_to_bits(tcx, ty::TypingEnv::fully_monomorphized()) .expect("expected monomorphic const in cfi"); let val = Integer::from_int_ty(&tcx, *ity).size().sign_extend(bits) as i128; @@ -142,30 +142,30 @@ fn encode_const<'tcx>( let _ = write!(s, "{val}"); } ty::Uint(_) => { - let val = c + let val = cv .try_to_bits(tcx, ty::TypingEnv::fully_monomorphized()) .expect("expected monomorphic const in cfi"); let _ = write!(s, "{val}"); } ty::Bool => { - let val = c.try_to_bool().expect("expected monomorphic const in cfi"); + let val = cv.try_to_bool().expect("expected monomorphic const in cfi"); let _ = write!(s, "{val}"); } _ => { - bug!("encode_const: unexpected type `{:?}`", ct_ty); + bug!("encode_const: unexpected type `{:?}`", cv.ty); } } } _ => { - bug!("encode_const: unexpected kind `{:?}`", c.kind()); + bug!("encode_const: unexpected kind `{:?}`", ct.kind()); } } // Close the "L..E" pair s.push('E'); - compress(dict, DictKey::Const(c), &mut s); + compress(dict, DictKey::Const(ct), &mut s); s } diff --git a/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs b/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs index 9c6186d6882..b711c238d59 100644 --- a/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs +++ b/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs @@ -51,8 +51,7 @@ impl<'tcx> TypeFolder<TyCtxt<'tcx>> for TransformTy<'tcx> { // Transforms a ty:Ty for being encoded and used in the substitution dictionary. fn fold_ty(&mut self, t: Ty<'tcx>) -> Ty<'tcx> { match t.kind() { - ty::Array(..) - | ty::Closure(..) + ty::Closure(..) | ty::Coroutine(..) | ty::CoroutineClosure(..) | ty::CoroutineWitness(..) @@ -67,6 +66,13 @@ impl<'tcx> TypeFolder<TyCtxt<'tcx>> for TransformTy<'tcx> { | ty::Tuple(..) | ty::UnsafeBinder(_) => t.super_fold_with(self), + // Don't transform the type of the array length and keep it as `usize`. + // This is required for `try_to_target_usize` to work correctly. + &ty::Array(inner, len) => { + let inner = self.fold_ty(inner); + Ty::new_array_with_const_len(self.tcx, inner, len) + } + ty::Bool => { if self.options.contains(EncodeTyOptions::NORMALIZE_INTEGERS) { // Note: on all platforms that Rust's currently supports, its size and alignment diff --git a/compiler/rustc_session/src/code_stats.rs b/compiler/rustc_session/src/code_stats.rs index f3c21992784..b4597ae2515 100644 --- a/compiler/rustc_session/src/code_stats.rs +++ b/compiler/rustc_session/src/code_stats.rs @@ -1,10 +1,9 @@ use std::cmp; use rustc_abi::{Align, Size}; -use rustc_data_structures::fx::{FxHashMap, FxHashSet}; +use rustc_data_structures::fx::FxHashSet; use rustc_data_structures::sync::Lock; use rustc_span::Symbol; -use rustc_span::def_id::DefId; #[derive(Clone, PartialEq, Eq, Hash, Debug)] pub struct VariantInfo { @@ -71,29 +70,9 @@ pub struct TypeSizeInfo { pub variants: Vec<VariantInfo>, } -pub struct VTableSizeInfo { - pub trait_name: String, - - /// Number of entries in a vtable with the current algorithm - /// (i.e. with upcasting). - pub entries: usize, - - /// Number of entries in a vtable, as-if we did not have trait upcasting. - pub entries_ignoring_upcasting: usize, - - /// Number of entries in a vtable needed solely for upcasting - /// (i.e. `entries - entries_ignoring_upcasting`). - pub entries_for_upcasting: usize, - - /// Cost of having upcasting in % relative to the number of entries without - /// upcasting (i.e. `entries_for_upcasting / entries_ignoring_upcasting * 100%`). - pub upcasting_cost_percent: f64, -} - #[derive(Default)] pub struct CodeStats { type_sizes: Lock<FxHashSet<TypeSizeInfo>>, - vtable_sizes: Lock<FxHashMap<DefId, VTableSizeInfo>>, } impl CodeStats { @@ -127,14 +106,6 @@ impl CodeStats { self.type_sizes.borrow_mut().insert(info); } - pub fn record_vtable_size(&self, trait_did: DefId, trait_name: &str, info: VTableSizeInfo) { - let prev = self.vtable_sizes.lock().insert(trait_did, info); - assert!( - prev.is_none(), - "size of vtable for `{trait_name}` ({trait_did:?}) is already recorded" - ); - } - pub fn print_type_sizes(&self) { let type_sizes = self.type_sizes.borrow(); // We will soon sort, so the initial order does not matter. @@ -238,33 +209,4 @@ impl CodeStats { } } } - - pub fn print_vtable_sizes(&self, crate_name: Symbol) { - // We will soon sort, so the initial order does not matter. - #[allow(rustc::potential_query_instability)] - let mut infos = - std::mem::take(&mut *self.vtable_sizes.lock()).into_values().collect::<Vec<_>>(); - - // Primary sort: cost % in reverse order (from largest to smallest) - // Secondary sort: trait_name - infos.sort_by(|a, b| { - a.upcasting_cost_percent - .total_cmp(&b.upcasting_cost_percent) - .reverse() - .then_with(|| a.trait_name.cmp(&b.trait_name)) - }); - - for VTableSizeInfo { - trait_name, - entries, - entries_ignoring_upcasting, - entries_for_upcasting, - upcasting_cost_percent, - } in infos - { - println!( - r#"print-vtable-sizes {{ "crate_name": "{crate_name}", "trait_name": "{trait_name}", "entries": "{entries}", "entries_ignoring_upcasting": "{entries_ignoring_upcasting}", "entries_for_upcasting": "{entries_for_upcasting}", "upcasting_cost_percent": "{upcasting_cost_percent}" }}"# - ); - } - } } diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs index c7af40a8ad4..e3236350cad 100644 --- a/compiler/rustc_session/src/options.rs +++ b/compiler/rustc_session/src/options.rs @@ -2034,8 +2034,6 @@ options! { Note that this overwrites the effect `-Clink-dead-code` has on collection!"), print_type_sizes: bool = (false, parse_bool, [UNTRACKED], "print layout information for each type encountered (default: no)"), - print_vtable_sizes: bool = (false, parse_bool, [UNTRACKED], - "print size comparison between old and new vtable layouts (default: no)"), proc_macro_backtrace: bool = (false, parse_bool, [UNTRACKED], "show backtraces for panics during proc-macro execution (default: no)"), proc_macro_execution_strategy: ProcMacroExecutionStrategy = (ProcMacroExecutionStrategy::SameThread, diff --git a/compiler/rustc_smir/src/rustc_smir/context.rs b/compiler/rustc_smir/src/rustc_smir/context.rs index 31c7e6c3eb4..cdc56782a26 100644 --- a/compiler/rustc_smir/src/rustc_smir/context.rs +++ b/compiler/rustc_smir/src/rustc_smir/context.rs @@ -450,8 +450,9 @@ impl<'tcx> Context for TablesWrapper<'tcx> { let tcx = tables.tcx; let ty = ty::Ty::new_static_str(tcx); let bytes = value.as_bytes(); - let val_tree = ty::ValTree::from_raw_bytes(tcx, bytes); - let val = tcx.valtree_to_const_val((ty, val_tree)); + let valtree = ty::ValTree::from_raw_bytes(tcx, bytes); + let cv = ty::Value { ty, valtree }; + let val = tcx.valtree_to_const_val(cv); mir::Const::from_value(val, ty).stable(&mut tables) } @@ -746,7 +747,9 @@ impl<'tcx> Context for TablesWrapper<'tcx> { let tcx = tables.tcx; let alloc_id = tables.tcx.vtable_allocation(( ty.internal(&mut *tables, tcx), - trait_ref.internal(&mut *tables, tcx), + trait_ref + .internal(&mut *tables, tcx) + .map(|principal| tcx.instantiate_bound_regions_with_erased(principal)), )); Some(alloc_id.stable(&mut *tables)) } diff --git a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs index ff452eea23d..a2d95f0f693 100644 --- a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs +++ b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs @@ -418,23 +418,16 @@ impl<'tcx> Stable<'tcx> for ty::Const<'tcx> { type T = stable_mir::ty::TyConst; fn stable(&self, tables: &mut Tables<'_>) -> Self::T { - let kind = match self.kind() { - ty::ConstKind::Value(ty, val) => { - let val = match val { - ty::ValTree::Leaf(scalar) => ty::ValTree::Leaf(scalar), - ty::ValTree::Branch(branch) => { - ty::ValTree::Branch(tables.tcx.lift(branch).unwrap()) - } - }; - - let ty = tables.tcx.lift(ty).unwrap(); - let const_val = tables.tcx.valtree_to_const_val((ty, val)); + let ct = tables.tcx.lift(*self).unwrap(); + let kind = match ct.kind() { + ty::ConstKind::Value(cv) => { + let const_val = tables.tcx.valtree_to_const_val(cv); if matches!(const_val, mir::ConstValue::ZeroSized) { - stable_mir::ty::TyConstKind::ZSTValue(ty.stable(tables)) + stable_mir::ty::TyConstKind::ZSTValue(cv.ty.stable(tables)) } else { stable_mir::ty::TyConstKind::Value( - ty.stable(tables), - alloc::new_allocation(ty, const_val, tables), + cv.ty.stable(tables), + alloc::new_allocation(cv.ty, const_val, tables), ) } } @@ -449,7 +442,7 @@ impl<'tcx> Stable<'tcx> for ty::Const<'tcx> { ty::ConstKind::Placeholder(_) => unimplemented!(), ty::ConstKind::Expr(_) => unimplemented!(), }; - let id = tables.intern_ty_const(tables.tcx.lift(*self).unwrap()); + let id = tables.intern_ty_const(ct); stable_mir::ty::TyConst::new(kind, id) } } diff --git a/compiler/rustc_symbol_mangling/src/legacy.rs b/compiler/rustc_symbol_mangling/src/legacy.rs index 879f3fac21f..8ae35572d01 100644 --- a/compiler/rustc_symbol_mangling/src/legacy.rs +++ b/compiler/rustc_symbol_mangling/src/legacy.rs @@ -274,14 +274,15 @@ impl<'tcx> Printer<'tcx> for SymbolPrinter<'tcx> { fn print_const(&mut self, ct: ty::Const<'tcx>) -> Result<(), PrintError> { // only print integers match ct.kind() { - ty::ConstKind::Value(ty, ty::ValTree::Leaf(scalar)) if ty.is_integral() => { + ty::ConstKind::Value(cv) if cv.ty.is_integral() => { // The `pretty_print_const` formatting depends on -Zverbose-internals // flag, so we cannot reuse it here. - let signed = matches!(ty.kind(), ty::Int(_)); + let scalar = cv.valtree.unwrap_leaf(); + let signed = matches!(cv.ty.kind(), ty::Int(_)); write!( self, "{:#?}", - ty::ConstInt::new(scalar, signed, ty.is_ptr_sized_integral()) + ty::ConstInt::new(scalar, signed, cv.ty.is_ptr_sized_integral()) )?; } _ => self.write_str("_")?, diff --git a/compiler/rustc_symbol_mangling/src/lib.rs b/compiler/rustc_symbol_mangling/src/lib.rs index 5c5ab435dbd..4312c82815c 100644 --- a/compiler/rustc_symbol_mangling/src/lib.rs +++ b/compiler/rustc_symbol_mangling/src/lib.rs @@ -151,7 +151,7 @@ fn symbol_name_provider<'tcx>(tcx: TyCtxt<'tcx>, instance: Instance<'tcx>) -> ty pub fn typeid_for_trait_ref<'tcx>( tcx: TyCtxt<'tcx>, - trait_ref: ty::PolyExistentialTraitRef<'tcx>, + trait_ref: ty::ExistentialTraitRef<'tcx>, ) -> String { v0::mangle_typeid_for_trait_ref(tcx, trait_ref) } diff --git a/compiler/rustc_symbol_mangling/src/v0.rs b/compiler/rustc_symbol_mangling/src/v0.rs index 4ddf530a00d..7b040a8b2c4 100644 --- a/compiler/rustc_symbol_mangling/src/v0.rs +++ b/compiler/rustc_symbol_mangling/src/v0.rs @@ -72,7 +72,7 @@ pub(super) fn mangle<'tcx>( pub(super) fn mangle_typeid_for_trait_ref<'tcx>( tcx: TyCtxt<'tcx>, - trait_ref: ty::PolyExistentialTraitRef<'tcx>, + trait_ref: ty::ExistentialTraitRef<'tcx>, ) -> String { // FIXME(flip1995): See comment in `mangle_typeid_for_fnabi`. let mut cx = SymbolMangler { @@ -84,7 +84,7 @@ pub(super) fn mangle_typeid_for_trait_ref<'tcx>( binders: vec![], out: String::new(), }; - cx.print_def_path(trait_ref.def_id(), &[]).unwrap(); + cx.print_def_path(trait_ref.def_id, &[]).unwrap(); std::mem::take(&mut cx.out) } @@ -590,8 +590,8 @@ impl<'tcx> Printer<'tcx> for SymbolMangler<'tcx> { fn print_const(&mut self, ct: ty::Const<'tcx>) -> Result<(), PrintError> { // We only mangle a typed value if the const can be evaluated. - let (ct_ty, valtree) = match ct.kind() { - ty::ConstKind::Value(ty, val) => (ty, val), + let cv = match ct.kind() { + ty::ConstKind::Value(cv) => cv, // Should only be encountered within the identity-substituted // impl header of an item nested within an impl item. @@ -619,13 +619,14 @@ impl<'tcx> Printer<'tcx> for SymbolMangler<'tcx> { return Ok(()); } + let ty::Value { ty: ct_ty, valtree } = cv; let start = self.out.len(); match ct_ty.kind() { ty::Uint(_) | ty::Int(_) | ty::Bool | ty::Char => { ct_ty.print(self)?; - let mut bits = ct + let mut bits = cv .try_to_bits(self.tcx, ty::TypingEnv::fully_monomorphized()) .expect("expected const to be monomorphic"); diff --git a/compiler/rustc_target/src/asm/mod.rs b/compiler/rustc_target/src/asm/mod.rs index 1292f46f0c9..f17452b3ba0 100644 --- a/compiler/rustc_target/src/asm/mod.rs +++ b/compiler/rustc_target/src/asm/mod.rs @@ -934,6 +934,7 @@ pub enum InlineAsmClobberAbi { LoongArch, PowerPC, S390x, + Bpf, Msp430, } @@ -1003,6 +1004,10 @@ impl InlineAsmClobberAbi { "C" | "system" => Ok(InlineAsmClobberAbi::S390x), _ => Err(&["C", "system"]), }, + InlineAsmArch::Bpf => match name { + "C" | "system" => Ok(InlineAsmClobberAbi::Bpf), + _ => Err(&["C", "system"]), + }, InlineAsmArch::Msp430 => match name { "C" | "system" => Ok(InlineAsmClobberAbi::Msp430), _ => Err(&["C", "system"]), @@ -1278,6 +1283,14 @@ impl InlineAsmClobberAbi { a8, a9, a10, a11, a12, a13, a14, a15, } }, + InlineAsmClobberAbi::Bpf => clobbered_regs! { + Bpf BpfInlineAsmReg { + // Refs: Section 1.1 "Registers and calling convention" in BPF ABI Recommended Conventions and Guidelines v1.0 + // https://www.kernel.org/doc/html/latest/bpf/standardization/abi.html#registers-and-calling-convention + + r0, r1, r2, r3, r4, r5, + } + }, InlineAsmClobberAbi::Msp430 => clobbered_regs! { Msp430 Msp430InlineAsmReg { r11, r12, r13, r14, r15, diff --git a/compiler/rustc_target/src/spec/json.rs b/compiler/rustc_target/src/spec/json.rs index 9cdc0801b1f..015ea97f2ac 100644 --- a/compiler/rustc_target/src/spec/json.rs +++ b/compiler/rustc_target/src/spec/json.rs @@ -546,6 +546,7 @@ impl Target { key!(link_env_remove, list); key!(asm_args, list); key!(cpu); + key!(need_explicit_cpu, bool); key!(features); key!(dynamic_linking, bool); key!(direct_access_external_data, Option<bool>); @@ -720,6 +721,7 @@ impl ToJson for Target { target_option_val!(link_env_remove); target_option_val!(asm_args); target_option_val!(cpu); + target_option_val!(need_explicit_cpu); target_option_val!(features); target_option_val!(dynamic_linking); target_option_val!(direct_access_external_data); diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs index bcd2aff54bb..3fc7a07fb91 100644 --- a/compiler/rustc_target/src/spec/mod.rs +++ b/compiler/rustc_target/src/spec/mod.rs @@ -2254,6 +2254,9 @@ pub struct TargetOptions { /// Default CPU to pass to LLVM. Corresponds to `llc -mcpu=$cpu`. Defaults /// to "generic". pub cpu: StaticCow<str>, + /// Whether a cpu needs to be explicitly set. + /// Set to true if there is no default cpu. Defaults to false. + pub need_explicit_cpu: bool, /// Default target features to pass to LLVM. These features overwrite /// `-Ctarget-cpu` but can be overwritten with `-Ctarget-features`. /// Corresponds to `llc -mattr=$features`. @@ -2686,6 +2689,7 @@ impl Default for TargetOptions { link_script: None, asm_args: cvs![], cpu: "generic".into(), + need_explicit_cpu: false, features: "".into(), direct_access_external_data: None, dynamic_linking: false, diff --git a/compiler/rustc_trait_selection/messages.ftl b/compiler/rustc_trait_selection/messages.ftl index 7c72318b4d7..055a3edcc32 100644 --- a/compiler/rustc_trait_selection/messages.ftl +++ b/compiler/rustc_trait_selection/messages.ftl @@ -148,8 +148,6 @@ trait_selection_dtcs_has_req_note = the used `impl` has a `'static` requirement trait_selection_dtcs_introduces_requirement = calling this method introduces the `impl`'s `'static` requirement trait_selection_dtcs_suggestion = consider relaxing the implicit `'static` requirement -trait_selection_dump_vtable_entries = vtable entries for `{$trait_ref}`: {$entries} - trait_selection_empty_on_clause_in_rustc_on_unimplemented = empty `on`-clause in `#[rustc_on_unimplemented]` .label = empty on-clause here diff --git a/compiler/rustc_trait_selection/src/error_reporting/infer/mod.rs b/compiler/rustc_trait_selection/src/error_reporting/infer/mod.rs index 9eacd377361..117b6a76425 100644 --- a/compiler/rustc_trait_selection/src/error_reporting/infer/mod.rs +++ b/compiler/rustc_trait_selection/src/error_reporting/infer/mod.rs @@ -2023,14 +2023,12 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> { _ => None, }; if let Some(tykind) = tykind - && let hir::TyKind::Array(_, length) = tykind - && let Some((scalar, ty)) = sz.found.try_to_scalar() - && ty == self.tcx.types.usize + && let hir::TyKind::Array(_, length_arg) = tykind + && let Some(length_val) = sz.found.try_to_target_usize(self.tcx) { - let span = length.span(); Some(TypeErrorAdditionalDiags::ConsiderSpecifyingLength { - span, - length: scalar.to_target_usize(&self.tcx).unwrap(), + span: length_arg.span(), + length: length_val, }) } else { None diff --git a/compiler/rustc_trait_selection/src/error_reporting/traits/mod.rs b/compiler/rustc_trait_selection/src/error_reporting/traits/mod.rs index 8111983c539..b4e5cc6185c 100644 --- a/compiler/rustc_trait_selection/src/error_reporting/traits/mod.rs +++ b/compiler/rustc_trait_selection/src/error_reporting/traits/mod.rs @@ -482,11 +482,10 @@ pub fn report_dyn_incompatibility<'tcx>( for (span, msg) in iter::zip(multi_span, messages) { note_span.push_span_label(span, msg); } - // FIXME(dyn_compat_renaming): Update the URL. err.span_note( note_span, "for a trait to be dyn compatible it needs to allow building a vtable\n\ - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>", + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>", ); // Only provide the help if its a local trait, otherwise it's not actionable. diff --git a/compiler/rustc_trait_selection/src/errors.rs b/compiler/rustc_trait_selection/src/errors.rs index c8672b9dbd2..c5ab8a71c78 100644 --- a/compiler/rustc_trait_selection/src/errors.rs +++ b/compiler/rustc_trait_selection/src/errors.rs @@ -12,7 +12,7 @@ use rustc_hir::intravisit::{Visitor, VisitorExt, walk_ty}; use rustc_hir::{self as hir, AmbigArg, FnRetTy, GenericParamKind, Node}; use rustc_macros::{Diagnostic, Subdiagnostic}; use rustc_middle::ty::print::{PrintTraitRefExt as _, TraitRefPrintOnlyTraitPath}; -use rustc_middle::ty::{self, Binder, ClosureKind, FnSig, PolyTraitRef, Region, Ty, TyCtxt}; +use rustc_middle::ty::{self, Binder, ClosureKind, FnSig, Region, Ty, TyCtxt}; use rustc_span::{BytePos, Ident, Span, Symbol, kw}; use crate::error_reporting::infer::ObligationCauseAsDiagArg; @@ -23,15 +23,6 @@ use crate::fluent_generated as fluent; pub mod note_and_explain; #[derive(Diagnostic)] -#[diag(trait_selection_dump_vtable_entries)] -pub struct DumpVTableEntries<'a> { - #[primary_span] - pub span: Span, - pub trait_ref: PolyTraitRef<'a>, - pub entries: String, -} - -#[derive(Diagnostic)] #[diag(trait_selection_unable_to_construct_constant_value)] pub struct UnableToConstructConstantValue<'a> { #[primary_span] diff --git a/compiler/rustc_trait_selection/src/solve/fulfill.rs b/compiler/rustc_trait_selection/src/solve/fulfill.rs index 2b7da4bc5ff..c8ae977b5ad 100644 --- a/compiler/rustc_trait_selection/src/solve/fulfill.rs +++ b/compiler/rustc_trait_selection/src/solve/fulfill.rs @@ -264,7 +264,7 @@ fn fulfillment_error_for_no_solution<'tcx>( infcx.tcx.type_of(uv.def).instantiate(infcx.tcx, uv.args) } ty::ConstKind::Param(param_ct) => param_ct.find_ty_from_env(obligation.param_env), - ty::ConstKind::Value(ty, _) => ty, + ty::ConstKind::Value(cv) => cv.ty, kind => span_bug!( obligation.cause.span, "ConstArgHasWrongType failed but we don't know how to compute type for {kind:?}" diff --git a/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs b/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs index 446f9eaa348..bdee6ca2afe 100644 --- a/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs +++ b/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs @@ -35,7 +35,7 @@ pub fn is_const_evaluatable<'tcx>( ty::ConstKind::Param(_) | ty::ConstKind::Bound(_, _) | ty::ConstKind::Placeholder(_) - | ty::ConstKind::Value(_, _) + | ty::ConstKind::Value(_) | ty::ConstKind::Error(_) => return Ok(()), ty::ConstKind::Infer(_) => return Err(NotConstEvaluatable::MentionsInfer), }; diff --git a/compiler/rustc_trait_selection/src/traits/dyn_compatibility.rs b/compiler/rustc_trait_selection/src/traits/dyn_compatibility.rs index 66491d9abe1..baa94ead9d4 100644 --- a/compiler/rustc_trait_selection/src/traits/dyn_compatibility.rs +++ b/compiler/rustc_trait_selection/src/traits/dyn_compatibility.rs @@ -64,7 +64,7 @@ fn is_dyn_compatible(tcx: TyCtxt<'_>, trait_def_id: DefId) -> bool { } /// We say a method is *vtable safe* if it can be invoked on a trait -/// object. Note that object-safe traits can have some +/// object. Note that dyn-compatible traits can have some /// non-vtable-safe methods, so long as they require `Self: Sized` or /// otherwise ensure that they cannot be used when `Self = Trait`. pub fn is_vtable_safe_method(tcx: TyCtxt<'_>, trait_def_id: DefId, method: ty::AssocItem) -> bool { @@ -421,7 +421,7 @@ fn virtual_call_violations_for_method<'tcx>( let receiver_ty = tcx.liberate_late_bound_regions(method.def_id, sig.input(0)); // Until `unsized_locals` is fully implemented, `self: Self` can't be dispatched on. - // However, this is already considered object-safe. We allow it as a special case here. + // However, this is already considered dyn compatible. We allow it as a special case here. // FIXME(mikeyhew) get rid of this `if` statement once `receiver_is_dispatchable` allows // `Receiver: Unsize<Receiver[Self => dyn Trait]>`. if receiver_ty != tcx.types.self_param { @@ -631,7 +631,7 @@ fn object_ty_for_trait<'tcx>( /// - `self: Pin<Box<Self>>` requires `Pin<Box<Self>>: DispatchFromDyn<Pin<Box<dyn Trait>>>`. /// /// The only case where the receiver is not dispatchable, but is still a valid receiver -/// type (just not object-safe), is when there is more than one level of pointer indirection. +/// type (just not dyn compatible), is when there is more than one level of pointer indirection. /// E.g., `self: &&Self`, `self: &Rc<Self>`, `self: Box<Box<Self>>`. In these cases, there /// is no way, or at least no inexpensive way, to coerce the receiver from the version where /// `Self = dyn Trait` to the version where `Self = T`, where `T` is the unknown erased type diff --git a/compiler/rustc_trait_selection/src/traits/fulfill.rs b/compiler/rustc_trait_selection/src/traits/fulfill.rs index 7529ee128f5..f2d2dd2f3ce 100644 --- a/compiler/rustc_trait_selection/src/traits/fulfill.rs +++ b/compiler/rustc_trait_selection/src/traits/fulfill.rs @@ -479,7 +479,7 @@ impl<'a, 'tcx> ObligationProcessor for FulfillProcessor<'a, 'tcx> { ty::ConstKind::Error(_) => { return ProcessResult::Changed(PendingPredicateObligations::new()); } - ty::ConstKind::Value(ty, _) => ty, + ty::ConstKind::Value(cv) => cv.ty, ty::ConstKind::Unevaluated(uv) => { infcx.tcx.type_of(uv.def).instantiate(infcx.tcx, uv.args) } diff --git a/compiler/rustc_trait_selection/src/traits/select/mod.rs b/compiler/rustc_trait_selection/src/traits/select/mod.rs index 6b6e0b32385..99ce1fd9fb4 100644 --- a/compiler/rustc_trait_selection/src/traits/select/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/select/mod.rs @@ -962,7 +962,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { return Ok(EvaluatedToAmbig); } ty::ConstKind::Error(_) => return Ok(EvaluatedToOk), - ty::ConstKind::Value(ty, _) => ty, + ty::ConstKind::Value(cv) => cv.ty, ty::ConstKind::Unevaluated(uv) => { self.tcx().type_of(uv.def).instantiate(self.tcx(), uv.args) } diff --git a/compiler/rustc_trait_selection/src/traits/util.rs b/compiler/rustc_trait_selection/src/traits/util.rs index c9fb2a757e1..d30363ec158 100644 --- a/compiler/rustc_trait_selection/src/traits/util.rs +++ b/compiler/rustc_trait_selection/src/traits/util.rs @@ -25,7 +25,7 @@ use tracing::debug; /// trait Bar {} /// trait Foo = Bar + Bar; /// -/// let not_object_safe: dyn Foo; // bad, two `Bar` principals. +/// let dyn_incompatible: dyn Foo; // bad, two `Bar` principals. /// ``` pub fn expand_trait_aliases<'tcx>( tcx: TyCtxt<'tcx>, diff --git a/compiler/rustc_trait_selection/src/traits/vtable.rs b/compiler/rustc_trait_selection/src/traits/vtable.rs index b5bc8364c7b..000e6a765d3 100644 --- a/compiler/rustc_trait_selection/src/traits/vtable.rs +++ b/compiler/rustc_trait_selection/src/traits/vtable.rs @@ -2,26 +2,22 @@ use std::fmt::Debug; use std::ops::ControlFlow; use rustc_hir::def_id::DefId; -use rustc_infer::infer::at::ToTrace; -use rustc_infer::infer::{BoundRegionConversionTime, TyCtxtInferExt}; -use rustc_infer::traits::ObligationCause; use rustc_infer::traits::util::PredicateSet; use rustc_middle::bug; use rustc_middle::query::Providers; use rustc_middle::ty::{ self, GenericArgs, GenericParamDefKind, Ty, TyCtxt, TypeVisitableExt, Upcast, VtblEntry, }; -use rustc_span::{DUMMY_SP, Span, sym}; +use rustc_span::DUMMY_SP; use smallvec::{SmallVec, smallvec}; use tracing::debug; -use crate::errors::DumpVTableEntries; -use crate::traits::{ObligationCtxt, impossible_predicates, is_vtable_safe_method}; +use crate::traits::{impossible_predicates, is_vtable_safe_method}; #[derive(Clone, Debug)] pub enum VtblSegment<'tcx> { MetadataDSA, - TraitOwnEntries { trait_ref: ty::PolyTraitRef<'tcx>, emit_vptr: bool }, + TraitOwnEntries { trait_ref: ty::TraitRef<'tcx>, emit_vptr: bool }, } /// Prepare the segments for a vtable @@ -29,7 +25,7 @@ pub enum VtblSegment<'tcx> { // about our `Self` type here. pub fn prepare_vtable_segments<'tcx, T>( tcx: TyCtxt<'tcx>, - trait_ref: ty::PolyTraitRef<'tcx>, + trait_ref: ty::TraitRef<'tcx>, segment_visitor: impl FnMut(VtblSegment<'tcx>) -> ControlFlow<T>, ) -> Option<T> { prepare_vtable_segments_inner(tcx, trait_ref, segment_visitor).break_value() @@ -39,7 +35,7 @@ pub fn prepare_vtable_segments<'tcx, T>( /// such that we can use `?` in the body. fn prepare_vtable_segments_inner<'tcx, T>( tcx: TyCtxt<'tcx>, - trait_ref: ty::PolyTraitRef<'tcx>, + trait_ref: ty::TraitRef<'tcx>, mut segment_visitor: impl FnMut(VtblSegment<'tcx>) -> ControlFlow<T>, ) -> ControlFlow<T> { // The following constraints holds for the final arrangement. @@ -92,7 +88,7 @@ fn prepare_vtable_segments_inner<'tcx, T>( let mut emit_vptr_on_new_entry = false; let mut visited = PredicateSet::new(tcx); let predicate = trait_ref.upcast(tcx); - let mut stack: SmallVec<[(ty::PolyTraitRef<'tcx>, _, _); 5]> = + let mut stack: SmallVec<[(ty::TraitRef<'tcx>, _, _); 5]> = smallvec![(trait_ref, emit_vptr_on_new_entry, maybe_iter(None))]; visited.insert(predicate); @@ -125,10 +121,18 @@ fn prepare_vtable_segments_inner<'tcx, T>( let &(inner_most_trait_ref, _, _) = stack.last().unwrap(); let mut direct_super_traits_iter = tcx - .explicit_super_predicates_of(inner_most_trait_ref.def_id()) + .explicit_super_predicates_of(inner_most_trait_ref.def_id) .iter_identity_copied() .filter_map(move |(pred, _)| { - pred.instantiate_supertrait(tcx, inner_most_trait_ref).as_trait_clause() + pred.instantiate_supertrait(tcx, ty::Binder::dummy(inner_most_trait_ref)) + .as_trait_clause() + }) + .map(move |pred| { + tcx.normalize_erasing_late_bound_regions( + ty::TypingEnv::fully_monomorphized(), + pred, + ) + .trait_ref }); // Find an unvisited supertrait @@ -136,16 +140,11 @@ fn prepare_vtable_segments_inner<'tcx, T>( .find(|&super_trait| visited.insert(super_trait.upcast(tcx))) { // Push it to the stack for the next iteration of 'diving_in to pick up - Some(unvisited_super_trait) => { - // We're throwing away potential constness of super traits here. - // FIXME: handle ~const super traits - let next_super_trait = unvisited_super_trait.map_bound(|t| t.trait_ref); - stack.push(( - next_super_trait, - emit_vptr_on_new_entry, - maybe_iter(Some(direct_super_traits_iter)), - )) - } + Some(next_super_trait) => stack.push(( + next_super_trait, + emit_vptr_on_new_entry, + maybe_iter(Some(direct_super_traits_iter)), + )), // There are no more unvisited direct super traits, dive-in finished None => break 'diving_in, @@ -154,8 +153,7 @@ fn prepare_vtable_segments_inner<'tcx, T>( // emit innermost item, move to next sibling and stop there if possible, otherwise jump to outer level. while let Some((inner_most_trait_ref, emit_vptr, mut siblings)) = stack.pop() { - let has_entries = - has_own_existential_vtable_entries(tcx, inner_most_trait_ref.def_id()); + let has_entries = has_own_existential_vtable_entries(tcx, inner_most_trait_ref.def_id); segment_visitor(VtblSegment::TraitOwnEntries { trait_ref: inner_most_trait_ref, @@ -169,11 +167,6 @@ fn prepare_vtable_segments_inner<'tcx, T>( if let Some(next_inner_most_trait_ref) = siblings.find(|&sibling| visited.insert(sibling.upcast(tcx))) { - // We're throwing away potential constness of super traits here. - // FIXME: handle ~const super traits - let next_inner_most_trait_ref = - next_inner_most_trait_ref.map_bound(|t| t.trait_ref); - stack.push((next_inner_most_trait_ref, emit_vptr_on_new_entry, siblings)); // just pushed a new trait onto the stack, so we need to go through its super traits @@ -192,15 +185,6 @@ fn maybe_iter<I: Iterator>(i: Option<I>) -> impl Iterator<Item = I::Item> { i.into_iter().flatten() } -fn dump_vtable_entries<'tcx>( - tcx: TyCtxt<'tcx>, - sp: Span, - trait_ref: ty::PolyTraitRef<'tcx>, - entries: &[VtblEntry<'tcx>], -) { - tcx.dcx().emit_err(DumpVTableEntries { span: sp, trait_ref, entries: format!("{entries:#?}") }); -} - fn has_own_existential_vtable_entries(tcx: TyCtxt<'_>, trait_def_id: DefId) -> bool { own_existential_vtable_entries_iter(tcx, trait_def_id).next().is_some() } @@ -239,8 +223,15 @@ fn own_existential_vtable_entries_iter( /// that come from `trait_ref`, including its supertraits. fn vtable_entries<'tcx>( tcx: TyCtxt<'tcx>, - trait_ref: ty::PolyTraitRef<'tcx>, + trait_ref: ty::TraitRef<'tcx>, ) -> &'tcx [VtblEntry<'tcx>] { + debug_assert!(!trait_ref.has_non_region_infer() && !trait_ref.has_non_region_param()); + debug_assert_eq!( + tcx.normalize_erasing_regions(ty::TypingEnv::fully_monomorphized(), trait_ref), + trait_ref, + "vtable trait ref should be normalized" + ); + debug!("vtable_entries({:?})", trait_ref); let mut entries = vec![]; @@ -251,33 +242,26 @@ fn vtable_entries<'tcx>( entries.extend(TyCtxt::COMMON_VTABLE_ENTRIES); } VtblSegment::TraitOwnEntries { trait_ref, emit_vptr } => { - let existential_trait_ref = trait_ref - .map_bound(|trait_ref| ty::ExistentialTraitRef::erase_self_ty(tcx, trait_ref)); + let existential_trait_ref = ty::ExistentialTraitRef::erase_self_ty(tcx, trait_ref); // Lookup the shape of vtable for the trait. let own_existential_entries = - tcx.own_existential_vtable_entries(existential_trait_ref.def_id()); + tcx.own_existential_vtable_entries(existential_trait_ref.def_id); let own_entries = own_existential_entries.iter().copied().map(|def_id| { debug!("vtable_entries: trait_method={:?}", def_id); // The method may have some early-bound lifetimes; add regions for those. - let args = trait_ref.map_bound(|trait_ref| { + // FIXME: Is this normalize needed? + let args = tcx.normalize_erasing_regions( + ty::TypingEnv::fully_monomorphized(), GenericArgs::for_item(tcx, def_id, |param, _| match param.kind { GenericParamDefKind::Lifetime => tcx.lifetimes.re_erased.into(), GenericParamDefKind::Type { .. } | GenericParamDefKind::Const { .. } => { trait_ref.args[param.index as usize] } - }) - }); - - // The trait type may have higher-ranked lifetimes in it; - // erase them if they appear, so that we get the type - // at some particular call site. - let args = tcx.normalize_erasing_late_bound_regions( - ty::TypingEnv::fully_monomorphized(), - args, + }), ); // It's possible that the method relies on where-clauses that @@ -317,11 +301,6 @@ fn vtable_entries<'tcx>( let _ = prepare_vtable_segments(tcx, trait_ref, vtable_segment_callback); - if tcx.has_attr(trait_ref.def_id(), sym::rustc_dump_vtable) { - let sp = tcx.def_span(trait_ref.def_id()); - dump_vtable_entries(tcx, sp, trait_ref, &entries); - } - tcx.arena.alloc_from_iter(entries) } @@ -329,14 +308,20 @@ fn vtable_entries<'tcx>( // for `Supertrait`'s methods in the vtable of `Subtrait`. pub(crate) fn first_method_vtable_slot<'tcx>(tcx: TyCtxt<'tcx>, key: ty::TraitRef<'tcx>) -> usize { debug_assert!(!key.has_non_region_infer() && !key.has_non_region_param()); + debug_assert_eq!( + tcx.normalize_erasing_regions(ty::TypingEnv::fully_monomorphized(), key), + key, + "vtable trait ref should be normalized" + ); let ty::Dynamic(source, _, _) = *key.self_ty().kind() else { bug!(); }; - let source_principal = - source.principal().unwrap().with_self_ty(tcx, tcx.types.trait_object_dummy_self); + let source_principal = tcx.instantiate_bound_regions_with_erased( + source.principal().unwrap().with_self_ty(tcx, tcx.types.trait_object_dummy_self), + ); - let target_principal = ty::Binder::dummy(ty::ExistentialTraitRef::erase_self_ty(tcx, key)); + let target_principal = ty::ExistentialTraitRef::erase_self_ty(tcx, key); let vtable_segment_callback = { let mut vptr_offset = 0; @@ -346,17 +331,14 @@ pub(crate) fn first_method_vtable_slot<'tcx>(tcx: TyCtxt<'tcx>, key: ty::TraitRe vptr_offset += TyCtxt::COMMON_VTABLE_ENTRIES.len(); } VtblSegment::TraitOwnEntries { trait_ref: vtable_principal, emit_vptr } => { - if trait_refs_are_compatible( - tcx, - vtable_principal - .map_bound(|t| ty::ExistentialTraitRef::erase_self_ty(tcx, t)), - target_principal, - ) { + if ty::ExistentialTraitRef::erase_self_ty(tcx, vtable_principal) + == target_principal + { return ControlFlow::Break(vptr_offset); } vptr_offset += - tcx.own_existential_vtable_entries(vtable_principal.def_id()).len(); + tcx.own_existential_vtable_entries(vtable_principal.def_id).len(); if emit_vptr { vptr_offset += 1; @@ -382,20 +364,27 @@ pub(crate) fn supertrait_vtable_slot<'tcx>( ), ) -> Option<usize> { debug_assert!(!key.has_non_region_infer() && !key.has_non_region_param()); + debug_assert_eq!( + tcx.normalize_erasing_regions(ty::TypingEnv::fully_monomorphized(), key), + key, + "upcasting trait refs should be normalized" + ); + let (source, target) = key; // If the target principal is `None`, we can just return `None`. let ty::Dynamic(target, _, _) = *target.kind() else { bug!(); }; - let target_principal = target.principal()?; + let target_principal = tcx.instantiate_bound_regions_with_erased(target.principal()?); // Given that we have a target principal, it is a bug for there not to be a source principal. let ty::Dynamic(source, _, _) = *source.kind() else { bug!(); }; - let source_principal = - source.principal().unwrap().with_self_ty(tcx, tcx.types.trait_object_dummy_self); + let source_principal = tcx.instantiate_bound_regions_with_erased( + source.principal().unwrap().with_self_ty(tcx, tcx.types.trait_object_dummy_self), + ); let vtable_segment_callback = { let mut vptr_offset = 0; @@ -406,13 +395,10 @@ pub(crate) fn supertrait_vtable_slot<'tcx>( } VtblSegment::TraitOwnEntries { trait_ref: vtable_principal, emit_vptr } => { vptr_offset += - tcx.own_existential_vtable_entries(vtable_principal.def_id()).len(); - if trait_refs_are_compatible( - tcx, - vtable_principal - .map_bound(|t| ty::ExistentialTraitRef::erase_self_ty(tcx, t)), - target_principal, - ) { + tcx.own_existential_vtable_entries(vtable_principal.def_id).len(); + if ty::ExistentialTraitRef::erase_self_ty(tcx, vtable_principal) + == target_principal + { if emit_vptr { return ControlFlow::Break(Some(vptr_offset)); } else { @@ -432,41 +418,6 @@ pub(crate) fn supertrait_vtable_slot<'tcx>( prepare_vtable_segments(tcx, source_principal, vtable_segment_callback).unwrap() } -fn trait_refs_are_compatible<'tcx>( - tcx: TyCtxt<'tcx>, - hr_vtable_principal: ty::PolyExistentialTraitRef<'tcx>, - hr_target_principal: ty::PolyExistentialTraitRef<'tcx>, -) -> bool { - if hr_vtable_principal.def_id() != hr_target_principal.def_id() { - return false; - } - - let (infcx, param_env) = - tcx.infer_ctxt().build_with_typing_env(ty::TypingEnv::fully_monomorphized()); - let ocx = ObligationCtxt::new(&infcx); - let hr_source_principal = - ocx.normalize(&ObligationCause::dummy(), param_env, hr_vtable_principal); - let hr_target_principal = - ocx.normalize(&ObligationCause::dummy(), param_env, hr_target_principal); - infcx.enter_forall(hr_target_principal, |target_principal| { - let source_principal = infcx.instantiate_binder_with_fresh_vars( - DUMMY_SP, - BoundRegionConversionTime::HigherRankedType, - hr_source_principal, - ); - let Ok(()) = ocx.eq_trace( - &ObligationCause::dummy(), - param_env, - ToTrace::to_trace(&ObligationCause::dummy(), hr_target_principal, hr_source_principal), - target_principal, - source_principal, - ) else { - return false; - }; - ocx.select_all_or_error().is_empty() - }) -} - pub(super) fn provide(providers: &mut Providers) { *providers = Providers { own_existential_vtable_entries, diff --git a/compiler/rustc_transmute/src/lib.rs b/compiler/rustc_transmute/src/lib.rs index ad86813c87e..a50cc8f5932 100644 --- a/compiler/rustc_transmute/src/lib.rs +++ b/compiler/rustc_transmute/src/lib.rs @@ -128,16 +128,16 @@ mod rustc { pub fn from_const<'tcx>( tcx: TyCtxt<'tcx>, param_env: ParamEnv<'tcx>, - c: Const<'tcx>, + ct: Const<'tcx>, ) -> Option<Self> { use rustc_middle::ty::ScalarInt; use rustc_span::sym; - let Some((cv, ty)) = c.try_to_valtree() else { + let Some(cv) = ct.try_to_value() else { return None; }; - let adt_def = ty.ty_adt_def()?; + let adt_def = cv.ty.ty_adt_def()?; assert_eq!( tcx.require_lang_item(LangItem::TransmuteOpts, None), @@ -147,7 +147,7 @@ mod rustc { ); let variant = adt_def.non_enum_variant(); - let fields = match cv { + let fields = match cv.valtree { ValTree::Branch(branch) => branch, _ => { return Some(Self { diff --git a/compiler/rustc_ty_utils/src/consts.rs b/compiler/rustc_ty_utils/src/consts.rs index 51a7c976f60..931c36137ee 100644 --- a/compiler/rustc_ty_utils/src/consts.rs +++ b/compiler/rustc_ty_utils/src/consts.rs @@ -22,16 +22,16 @@ fn destructure_const<'tcx>( tcx: TyCtxt<'tcx>, const_: ty::Const<'tcx>, ) -> ty::DestructuredConst<'tcx> { - let ty::ConstKind::Value(ct_ty, valtree) = const_.kind() else { + let ty::ConstKind::Value(cv) = const_.kind() else { bug!("cannot destructure constant {:?}", const_) }; - let branches = match valtree { + let branches = match cv.valtree { ty::ValTree::Branch(b) => b, _ => bug!("cannot destructure constant {:?}", const_), }; - let (fields, variant) = match ct_ty.kind() { + let (fields, variant) = match cv.ty.kind() { ty::Array(inner_ty, _) | ty::Slice(inner_ty) => { // construct the consts for the elements of the array/slice let field_consts = branches diff --git a/compiler/rustc_ty_utils/src/layout.rs b/compiler/rustc_ty_utils/src/layout.rs index a04c7536118..2f258b23f2d 100644 --- a/compiler/rustc_ty_utils/src/layout.rs +++ b/compiler/rustc_ty_utils/src/layout.rs @@ -144,13 +144,13 @@ fn univariant_uninterned<'tcx>( cx.calc.univariant(fields, repr, kind).map_err(|err| map_error(cx, ty, err)) } -fn validate_const_with_value<'tcx>( +fn extract_const_value<'tcx>( const_: ty::Const<'tcx>, ty: Ty<'tcx>, cx: &LayoutCx<'tcx>, -) -> Result<ty::Const<'tcx>, &'tcx LayoutError<'tcx>> { +) -> Result<ty::Value<'tcx>, &'tcx LayoutError<'tcx>> { match const_.kind() { - ty::ConstKind::Value(..) => Ok(const_), + ty::ConstKind::Value(cv) => Ok(cv), ty::ConstKind::Error(guar) => { return Err(error(cx, LayoutError::ReferencesError(guar))); } @@ -209,13 +209,12 @@ fn layout_of_uncached<'tcx>( &mut layout.backend_repr { if let Some(start) = start { - scalar.valid_range_mut().start = - validate_const_with_value(start, ty, cx)? - .try_to_bits(tcx, cx.typing_env) - .ok_or_else(|| error(cx, LayoutError::Unknown(ty)))?; + scalar.valid_range_mut().start = extract_const_value(start, ty, cx)? + .try_to_bits(tcx, cx.typing_env) + .ok_or_else(|| error(cx, LayoutError::Unknown(ty)))?; } if let Some(end) = end { - let mut end = validate_const_with_value(end, ty, cx)? + let mut end = extract_const_value(end, ty, cx)? .try_to_bits(tcx, cx.typing_env) .ok_or_else(|| error(cx, LayoutError::Unknown(ty)))?; if !include_end { @@ -348,9 +347,7 @@ fn layout_of_uncached<'tcx>( // Arrays and slices. ty::Array(element, count) => { - let count = validate_const_with_value(count, ty, cx)? - .to_valtree() - .0 + let count = extract_const_value(count, ty, cx)? .try_to_target_usize(tcx) .ok_or_else(|| error(cx, LayoutError::Unknown(ty)))?; diff --git a/compiler/rustc_type_ir/src/const_kind.rs b/compiler/rustc_type_ir/src/const_kind.rs index 03dfe547ced..aafc0907ae1 100644 --- a/compiler/rustc_type_ir/src/const_kind.rs +++ b/compiler/rustc_type_ir/src/const_kind.rs @@ -31,7 +31,7 @@ pub enum ConstKind<I: Interner> { Unevaluated(ty::UnevaluatedConst<I>), /// Used to hold computed value. - Value(I::Ty, I::ValueConst), + Value(I::ValueConst), /// A placeholder for a const which could not be computed; this is /// propagated to avoid useless error messages. @@ -52,7 +52,7 @@ impl<I: Interner> fmt::Debug for ConstKind<I> { Bound(debruijn, var) => crate::debug_bound_var(f, *debruijn, var), Placeholder(placeholder) => write!(f, "{placeholder:?}"), Unevaluated(uv) => write!(f, "{uv:?}"), - Value(ty, valtree) => write!(f, "({valtree:?}: {ty:?})"), + Value(val) => write!(f, "{val:?}"), Error(_) => write!(f, "{{const error}}"), Expr(expr) => write!(f, "{expr:?}"), } diff --git a/compiler/rustc_type_ir/src/fast_reject.rs b/compiler/rustc_type_ir/src/fast_reject.rs index 9b3ff14d507..9955e92b55a 100644 --- a/compiler/rustc_type_ir/src/fast_reject.rs +++ b/compiler/rustc_type_ir/src/fast_reject.rs @@ -483,8 +483,8 @@ impl<I: Interner, const INSTANTIATE_LHS_WITH_INFER: bool, const INSTANTIATE_RHS_ }; match lhs.kind() { - ty::ConstKind::Value(_, lhs_val) => match rhs.kind() { - ty::ConstKind::Value(_, rhs_val) => lhs_val == rhs_val, + ty::ConstKind::Value(lhs_val) => match rhs.kind() { + ty::ConstKind::Value(rhs_val) => lhs_val.valtree() == rhs_val.valtree(), _ => false, }, diff --git a/compiler/rustc_type_ir/src/inherent.rs b/compiler/rustc_type_ir/src/inherent.rs index 872cf668018..4e6d645e6fa 100644 --- a/compiler/rustc_type_ir/src/inherent.rs +++ b/compiler/rustc_type_ir/src/inherent.rs @@ -286,6 +286,11 @@ pub trait Const<I: Interner<Const = Self>>: } } +pub trait ValueConst<I: Interner<ValueConst = Self>>: Copy + Debug + Hash + Eq { + fn ty(self) -> I::Ty; + fn valtree(self) -> I::ValTree; +} + pub trait ExprConst<I: Interner<ExprConst = Self>>: Copy + Debug + Hash + Eq + Relate<I> { fn args(self) -> I::GenericArgs; } diff --git a/compiler/rustc_type_ir/src/interner.rs b/compiler/rustc_type_ir/src/interner.rs index 0c3b0758f0f..a6c72da0c56 100644 --- a/compiler/rustc_type_ir/src/interner.rs +++ b/compiler/rustc_type_ir/src/interner.rs @@ -112,8 +112,9 @@ pub trait Interner: type PlaceholderConst: PlaceholderLike; type ParamConst: Copy + Debug + Hash + Eq + ParamLike; type BoundConst: Copy + Debug + Hash + Eq + BoundVarLike<Self>; - type ValueConst: Copy + Debug + Hash + Eq; + type ValueConst: ValueConst<Self>; type ExprConst: ExprConst<Self>; + type ValTree: Copy + Debug + Hash + Eq; // Kinds of regions type Region: Region<Self>; diff --git a/compiler/rustc_type_ir/src/relate.rs b/compiler/rustc_type_ir/src/relate.rs index e628b66d2f0..5b696ee5ed4 100644 --- a/compiler/rustc_type_ir/src/relate.rs +++ b/compiler/rustc_type_ir/src/relate.rs @@ -606,7 +606,9 @@ pub fn structurally_relate_consts<I: Interner, R: TypeRelation<I>>( true } (ty::ConstKind::Placeholder(p1), ty::ConstKind::Placeholder(p2)) => p1 == p2, - (ty::ConstKind::Value(_, a_val), ty::ConstKind::Value(_, b_val)) => a_val == b_val, + (ty::ConstKind::Value(a_val), ty::ConstKind::Value(b_val)) => { + a_val.valtree() == b_val.valtree() + } // While this is slightly incorrect, it shouldn't matter for `min_const_generics` // and is the better alternative to waiting until `generic_const_exprs` can diff --git a/library/core/src/hint.rs b/library/core/src/hint.rs index 80f6e32b6b2..e5c1a64c12e 100644 --- a/library/core/src/hint.rs +++ b/library/core/src/hint.rs @@ -468,9 +468,11 @@ pub fn spin_loop() { /// // No assumptions can be made about either operand, so the multiplication is not optimized out. /// let y = black_box(5) * black_box(10); /// ``` +/// +/// During constant evaluation, `black_box` is treated as a no-op. #[inline] #[stable(feature = "bench_black_box", since = "1.66.0")] -#[rustc_const_unstable(feature = "const_black_box", issue = "none")] +#[rustc_const_stable(feature = "const_black_box", since = "CURRENT_RUSTC_VERSION")] pub const fn black_box<T>(dummy: T) -> T { crate::intrinsics::black_box(dummy) } diff --git a/library/core/src/intrinsics/mod.rs b/library/core/src/intrinsics/mod.rs index 41b2ffad668..c0d435f99c0 100644 --- a/library/core/src/intrinsics/mod.rs +++ b/library/core/src/intrinsics/mod.rs @@ -3725,6 +3725,7 @@ pub const unsafe fn compare_bytes(_left: *const u8, _right: *const u8, _bytes: u #[rustc_nounwind] #[rustc_intrinsic] #[rustc_intrinsic_must_be_overridden] +#[rustc_intrinsic_const_stable_indirect] pub const fn black_box<T>(_dummy: T) -> T { unimplemented!() } diff --git a/library/core/src/mem/maybe_uninit.rs b/library/core/src/mem/maybe_uninit.rs index ac5307a671d..0d8c3ef906b 100644 --- a/library/core/src/mem/maybe_uninit.rs +++ b/library/core/src/mem/maybe_uninit.rs @@ -276,10 +276,9 @@ impl<T: Copy> Clone for MaybeUninit<T> { impl<T> fmt::Debug for MaybeUninit<T> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { // NB: there is no `.pad_fmt` so we can't use a simpler `format_args!("MaybeUninit<{..}>"). - // This needs to be adjusted if `MaybeUninit` moves modules. let full_name = type_name::<Self>(); - let short_name = full_name.split_once("mem::maybe_uninit::").unwrap().1; - f.pad(short_name) + let prefix_len = full_name.find("MaybeUninit").unwrap(); + f.pad(&full_name[prefix_len..]) } } diff --git a/library/core/src/num/f128.rs b/library/core/src/num/f128.rs index 8fb1588e60b..5e45974b3d4 100644 --- a/library/core/src/num/f128.rs +++ b/library/core/src/num/f128.rs @@ -670,7 +670,8 @@ impl f128 { /// If one of the arguments is NaN, then the other argument is returned. /// This follows the IEEE 754-2008 semantics for maxNum, except for handling of signaling NaNs; /// this function handles all NaNs the same way and avoids maxNum's problems with associativity. - /// This also matches the behavior of libm’s fmax. + /// This also matches the behavior of libm’s fmax. In particular, if the inputs compare equal + /// (such as for the case of `+0.0` and `-0.0`), either input may be returned non-deterministically. /// /// ``` /// #![feature(f128)] @@ -696,7 +697,8 @@ impl f128 { /// If one of the arguments is NaN, then the other argument is returned. /// This follows the IEEE 754-2008 semantics for minNum, except for handling of signaling NaNs; /// this function handles all NaNs the same way and avoids minNum's problems with associativity. - /// This also matches the behavior of libm’s fmin. + /// This also matches the behavior of libm’s fmin. In particular, if the inputs compare equal + /// (such as for the case of `+0.0` and `-0.0`), either input may be returned non-deterministically. /// /// ``` /// #![feature(f128)] diff --git a/library/core/src/num/f16.rs b/library/core/src/num/f16.rs index 8c2af74b8f8..e3176cd1688 100644 --- a/library/core/src/num/f16.rs +++ b/library/core/src/num/f16.rs @@ -662,7 +662,8 @@ impl f16 { /// If one of the arguments is NaN, then the other argument is returned. /// This follows the IEEE 754-2008 semantics for maxNum, except for handling of signaling NaNs; /// this function handles all NaNs the same way and avoids maxNum's problems with associativity. - /// This also matches the behavior of libm’s fmax. + /// This also matches the behavior of libm’s fmax. In particular, if the inputs compare equal + /// (such as for the case of `+0.0` and `-0.0`), either input may be returned non-deterministically. /// /// ``` /// #![feature(f16)] @@ -687,7 +688,8 @@ impl f16 { /// If one of the arguments is NaN, then the other argument is returned. /// This follows the IEEE 754-2008 semantics for minNum, except for handling of signaling NaNs; /// this function handles all NaNs the same way and avoids minNum's problems with associativity. - /// This also matches the behavior of libm’s fmin. + /// This also matches the behavior of libm’s fmin. In particular, if the inputs compare equal + /// (such as for the case of `+0.0` and `-0.0`), either input may be returned non-deterministically. /// /// ``` /// #![feature(f16)] diff --git a/library/core/src/num/f32.rs b/library/core/src/num/f32.rs index 817bedbd44f..4d42997369f 100644 --- a/library/core/src/num/f32.rs +++ b/library/core/src/num/f32.rs @@ -874,7 +874,8 @@ impl f32 { /// If one of the arguments is NaN, then the other argument is returned. /// This follows the IEEE 754-2008 semantics for maxNum, except for handling of signaling NaNs; /// this function handles all NaNs the same way and avoids maxNum's problems with associativity. - /// This also matches the behavior of libm’s fmax. + /// This also matches the behavior of libm’s fmax. In particular, if the inputs compare equal + /// (such as for the case of `+0.0` and `-0.0`), either input may be returned non-deterministically. /// /// ``` /// let x = 1.0f32; @@ -895,7 +896,8 @@ impl f32 { /// If one of the arguments is NaN, then the other argument is returned. /// This follows the IEEE 754-2008 semantics for minNum, except for handling of signaling NaNs; /// this function handles all NaNs the same way and avoids minNum's problems with associativity. - /// This also matches the behavior of libm’s fmin. + /// This also matches the behavior of libm’s fmin. In particular, if the inputs compare equal + /// (such as for the case of `+0.0` and `-0.0`), either input may be returned non-deterministically. /// /// ``` /// let x = 1.0f32; diff --git a/library/core/src/num/f64.rs b/library/core/src/num/f64.rs index 1b0651a0def..907971d303f 100644 --- a/library/core/src/num/f64.rs +++ b/library/core/src/num/f64.rs @@ -892,7 +892,8 @@ impl f64 { /// If one of the arguments is NaN, then the other argument is returned. /// This follows the IEEE 754-2008 semantics for maxNum, except for handling of signaling NaNs; /// this function handles all NaNs the same way and avoids maxNum's problems with associativity. - /// This also matches the behavior of libm’s fmax. + /// This also matches the behavior of libm’s fmax. In particular, if the inputs compare equal + /// (such as for the case of `+0.0` and `-0.0`), either input may be returned non-deterministically. /// /// ``` /// let x = 1.0_f64; @@ -913,7 +914,8 @@ impl f64 { /// If one of the arguments is NaN, then the other argument is returned. /// This follows the IEEE 754-2008 semantics for minNum, except for handling of signaling NaNs; /// this function handles all NaNs the same way and avoids minNum's problems with associativity. - /// This also matches the behavior of libm’s fmin. + /// This also matches the behavior of libm’s fmin. In particular, if the inputs compare equal + /// (such as for the case of `+0.0` and `-0.0`), either input may be returned non-deterministically. /// /// ``` /// let x = 1.0_f64; diff --git a/library/core/src/prelude/common.rs b/library/core/src/prelude/common.rs index e38ef1e147c..8b116cecb52 100644 --- a/library/core/src/prelude/common.rs +++ b/library/core/src/prelude/common.rs @@ -12,6 +12,9 @@ pub use crate::marker::{Copy, Send, Sized, Sync, Unpin}; #[stable(feature = "core_prelude", since = "1.4.0")] #[doc(no_inline)] pub use crate::ops::{Drop, Fn, FnMut, FnOnce}; +#[stable(feature = "async_closure", since = "1.85.0")] +#[doc(no_inline)] +pub use crate::ops::{AsyncFn, AsyncFnMut, AsyncFnOnce}; // Re-exported functions #[stable(feature = "core_prelude", since = "1.4.0")] diff --git a/library/coretests/tests/lib.rs b/library/coretests/tests/lib.rs index 0607d508a48..7fe72862608 100644 --- a/library/coretests/tests/lib.rs +++ b/library/coretests/tests/lib.rs @@ -14,7 +14,6 @@ #![feature(bstr)] #![feature(cell_update)] #![feature(clone_to_uninit)] -#![feature(const_black_box)] #![feature(const_eval_select)] #![feature(const_swap_nonoverlapping)] #![feature(const_trait_impl)] diff --git a/library/std/src/fs.rs b/library/std/src/fs.rs index 1f8aac48a9a..a5b0111adfb 100644 --- a/library/std/src/fs.rs +++ b/library/std/src/fs.rs @@ -629,9 +629,9 @@ impl File { /// This acquires an exclusive advisory lock; no other file handle to this file may acquire /// another lock. /// - /// If this file handle, or a clone of it, already holds an advisory lock the exact behavior is - /// unspecified and platform dependent, including the possibility that it will deadlock. - /// However, if this method returns, then an exclusive lock is held. + /// If this file handle/descriptor, or a clone of it, already holds an advisory lock the exact + /// behavior is unspecified and platform dependent, including the possibility that it will + /// deadlock. However, if this method returns, then an exclusive lock is held. /// /// If the file not open for writing, it is unspecified whether this function returns an error. /// @@ -639,6 +639,9 @@ impl File { /// [`try_lock_shared`], and [`unlock`]. Its interactions with other methods, such as [`read`] /// and [`write`] are platform specific, and it may or may not cause non-lockholders to block. /// + /// The lock will be released when this file (along with any other file descriptors/handles + /// duplicated or inherited from it) is closed, or if the [`unlock`] method is called. + /// /// # Platform-specific behavior /// /// This function currently corresponds to the `flock` function on Unix with the `LOCK_EX` flag, @@ -671,19 +674,22 @@ impl File { self.inner.lock() } - /// Acquire a shared advisory lock on the file. Blocks until the lock can be acquired. + /// Acquire a shared (non-exclusive) advisory lock on the file. Blocks until the lock can be acquired. /// /// This acquires a shared advisory lock; more than one file handle may hold a shared lock, but - /// none may hold an exclusive lock. + /// none may hold an exclusive lock at the same time. /// - /// If this file handle, or a clone of it, already holds an advisory lock, the exact behavior is - /// unspecified and platform dependent, including the possibility that it will deadlock. - /// However, if this method returns, then a shared lock is held. + /// If this file handle/descriptor, or a clone of it, already holds an advisory lock, the exact + /// behavior is unspecified and platform dependent, including the possibility that it will + /// deadlock. However, if this method returns, then a shared lock is held. /// /// Note, this is an advisory lock meant to interact with [`lock`], [`try_lock`], /// [`try_lock_shared`], and [`unlock`]. Its interactions with other methods, such as [`read`] /// and [`write`] are platform specific, and it may or may not cause non-lockholders to block. /// + /// The lock will be released when this file (along with any other file descriptors/handles + /// duplicated or inherited from it) is closed, or if the [`unlock`] method is called. + /// /// # Platform-specific behavior /// /// This function currently corresponds to the `flock` function on Unix with the `LOCK_SH` flag, @@ -716,14 +722,18 @@ impl File { self.inner.lock_shared() } - /// Acquire an exclusive advisory lock on the file. Returns `Ok(false)` if the file is locked. + /// Try to acquire an exclusive advisory lock on the file. + /// + /// Returns `Ok(false)` if a different lock is already held on this file (via another + /// handle/descriptor). /// /// This acquires an exclusive advisory lock; no other file handle to this file may acquire /// another lock. /// - /// If this file handle, or a clone of it, already holds an advisory lock, the exact behavior is - /// unspecified and platform dependent, including the possibility that it will deadlock. - /// However, if this method returns, then an exclusive lock is held. + /// If this file handle/descriptor, or a clone of it, already holds an advisory lock, the exact + /// behavior is unspecified and platform dependent, including the possibility that it will + /// deadlock. However, if this method returns `Ok(true)`, then it has acquired an exclusive + /// lock. /// /// If the file not open for writing, it is unspecified whether this function returns an error. /// @@ -731,6 +741,9 @@ impl File { /// [`try_lock_shared`], and [`unlock`]. Its interactions with other methods, such as [`read`] /// and [`write`] are platform specific, and it may or may not cause non-lockholders to block. /// + /// The lock will be released when this file (along with any other file descriptors/handles + /// duplicated or inherited from it) is closed, or if the [`unlock`] method is called. + /// /// # Platform-specific behavior /// /// This function currently corresponds to the `flock` function on Unix with the `LOCK_EX` and @@ -764,20 +777,25 @@ impl File { self.inner.try_lock() } - /// Acquire a shared advisory lock on the file. - /// Returns `Ok(false)` if the file is exclusively locked. + /// Try to acquire a shared (non-exclusive) advisory lock on the file. + /// + /// Returns `Ok(false)` if an exclusive lock is already held on this file (via another + /// handle/descriptor). /// /// This acquires a shared advisory lock; more than one file handle may hold a shared lock, but - /// none may hold an exclusive lock. + /// none may hold an exclusive lock at the same time. /// /// If this file handle, or a clone of it, already holds an advisory lock, the exact behavior is /// unspecified and platform dependent, including the possibility that it will deadlock. - /// However, if this method returns, then a shared lock is held. + /// However, if this method returns `Ok(true)`, then it has acquired a shared lock. /// /// Note, this is an advisory lock meant to interact with [`lock`], [`try_lock`], /// [`try_lock`], and [`unlock`]. Its interactions with other methods, such as [`read`] /// and [`write`] are platform specific, and it may or may not cause non-lockholders to block. /// + /// The lock will be released when this file (along with any other file descriptors/handles + /// duplicated or inherited from it) is closed, or if the [`unlock`] method is called. + /// /// # Platform-specific behavior /// /// This function currently corresponds to the `flock` function on Unix with the `LOCK_SH` and @@ -813,7 +831,12 @@ impl File { /// Release all locks on the file. /// - /// All remaining locks are released when the file handle, and all clones of it, are dropped. + /// All locks are released when the file (along with any other file descriptors/handles + /// duplicated or inherited from it) is closed. This method allows releasing locks without + /// closing the file. + /// + /// If no lock is currently held via this file descriptor/handle, this method may return an + /// error, or may return successfully without taking any action. /// /// # Platform-specific behavior /// diff --git a/library/std/src/sys/pal/uefi/helpers.rs b/library/std/src/sys/pal/uefi/helpers.rs index 7504a0f7ad7..dccc137d6f5 100644 --- a/library/std/src/sys/pal/uefi/helpers.rs +++ b/library/std/src/sys/pal/uefi/helpers.rs @@ -14,10 +14,12 @@ use r_efi::protocols::{device_path, device_path_to_text, shell}; use crate::ffi::{OsStr, OsString}; use crate::io::{self, const_error}; +use crate::marker::PhantomData; use crate::mem::{MaybeUninit, size_of}; use crate::os::uefi::env::boot_services; use crate::os::uefi::ffi::{OsStrExt, OsStringExt}; use crate::os::uefi::{self}; +use crate::path::Path; use crate::ptr::NonNull; use crate::slice; use crate::sync::atomic::{AtomicPtr, Ordering}; @@ -278,6 +280,10 @@ impl OwnedDevicePath { pub(crate) const fn as_ptr(&self) -> *mut r_efi::protocols::device_path::Protocol { self.0.as_ptr() } + + pub(crate) const fn borrow<'a>(&'a self) -> BorrowedDevicePath<'a> { + BorrowedDevicePath::new(self.0) + } } impl Drop for OwnedDevicePath { @@ -293,13 +299,37 @@ impl Drop for OwnedDevicePath { impl crate::fmt::Debug for OwnedDevicePath { fn fmt(&self, f: &mut crate::fmt::Formatter<'_>) -> crate::fmt::Result { - match device_path_to_text(self.0) { + match self.borrow().to_text() { Ok(p) => p.fmt(f), Err(_) => f.debug_struct("OwnedDevicePath").finish_non_exhaustive(), } } } +pub(crate) struct BorrowedDevicePath<'a> { + protocol: NonNull<r_efi::protocols::device_path::Protocol>, + phantom: PhantomData<&'a r_efi::protocols::device_path::Protocol>, +} + +impl<'a> BorrowedDevicePath<'a> { + pub(crate) const fn new(protocol: NonNull<r_efi::protocols::device_path::Protocol>) -> Self { + Self { protocol, phantom: PhantomData } + } + + pub(crate) fn to_text(&self) -> io::Result<OsString> { + device_path_to_text(self.protocol) + } +} + +impl<'a> crate::fmt::Debug for BorrowedDevicePath<'a> { + fn fmt(&self, f: &mut crate::fmt::Formatter<'_>) -> crate::fmt::Result { + match self.to_text() { + Ok(p) => p.fmt(f), + Err(_) => f.debug_struct("BorrowedDevicePath").finish_non_exhaustive(), + } + } +} + pub(crate) struct OwnedProtocol<T> { guid: r_efi::efi::Guid, handle: NonNull<crate::ffi::c_void>, @@ -452,3 +482,21 @@ pub(crate) fn open_shell() -> Option<NonNull<shell::Protocol>> { None } + +/// Get device path protocol associated with shell mapping. +/// +/// returns None in case no such mapping is exists +pub(crate) fn get_device_path_from_map(map: &Path) -> io::Result<BorrowedDevicePath<'static>> { + let shell = + open_shell().ok_or(io::const_error!(io::ErrorKind::NotFound, "UEFI Shell not found"))?; + let mut path = os_string_to_raw(map.as_os_str()) + .ok_or(io::const_error!(io::ErrorKind::InvalidFilename, "Invalid UEFI shell mapping"))?; + + // The Device Path Protocol pointer returned by UEFI shell is owned by the shell and is not + // freed throughout it's lifetime. So it has a 'static lifetime. + let protocol = unsafe { ((*shell.as_ptr()).get_device_path_from_map)(path.as_mut_ptr()) }; + let protocol = NonNull::new(protocol) + .ok_or(io::const_error!(io::ErrorKind::NotFound, "UEFI Shell mapping not found"))?; + + Ok(BorrowedDevicePath::new(protocol)) +} diff --git a/library/std/src/sys/path/mod.rs b/library/std/src/sys/path/mod.rs index 24a94ec7828..1fa4e80d678 100644 --- a/library/std/src/sys/path/mod.rs +++ b/library/std/src/sys/path/mod.rs @@ -5,12 +5,12 @@ cfg_if::cfg_if! { } else if #[cfg(all(target_vendor = "fortanix", target_env = "sgx"))] { mod sgx; pub use sgx::*; - } else if #[cfg(any( - target_os = "uefi", - target_os = "solid_asp3", - ))] { + } else if #[cfg(target_os = "solid_asp3")] { mod unsupported_backslash; pub use unsupported_backslash::*; + } else if #[cfg(target_os = "uefi")] { + mod uefi; + pub use uefi::*; } else { mod unix; pub use unix::*; diff --git a/library/std/src/sys/path/uefi.rs b/library/std/src/sys/path/uefi.rs new file mode 100644 index 00000000000..a3f4a3bfe1b --- /dev/null +++ b/library/std/src/sys/path/uefi.rs @@ -0,0 +1,105 @@ +#![forbid(unsafe_op_in_unsafe_fn)] +use crate::ffi::OsStr; +use crate::io; +use crate::path::{Path, PathBuf, Prefix}; +use crate::sys::{helpers, unsupported_err}; + +const FORWARD_SLASH: u8 = b'/'; +const COLON: u8 = b':'; + +#[inline] +pub fn is_sep_byte(b: u8) -> bool { + b == b'\\' +} + +#[inline] +pub fn is_verbatim_sep(b: u8) -> bool { + b == b'\\' +} + +pub fn parse_prefix(_: &OsStr) -> Option<Prefix<'_>> { + None +} + +pub const MAIN_SEP_STR: &str = "\\"; +pub const MAIN_SEP: char = '\\'; + +/// UEFI paths can be of 4 types: +/// +/// 1. Absolute Shell Path: Uses shell mappings (eg: `FS0:`). Does not exist if UEFI shell not present. +/// It can be identified with `:`. +/// Eg: FS0:\abc\run.efi +/// +/// 2. Absolute Device Path: this is what we want +/// It can be identified with `/`. +/// Eg: PciRoot(0x0)/Pci(0x1,0x1)/Ata(Secondary,Slave,0x0)/\abc\run.efi +/// +/// 3: Relative root: path relative to the current volume. +/// It will start with `\`. +/// Eg: \abc\run.efi +/// +/// 4: Relative +/// Eg: run.efi +/// +/// The algorithm is mostly taken from edk2 UEFI shell implementation and is +/// somewhat simple. Check for the path type in order. +/// +/// The volume mapping in Absolute Shell Path (not the rest of the path) can be converted to Device +/// Path Protocol using `EFI_SHELL->GetDevicePathFromMap`. The rest of the path (Relative root +/// path), can just be appended to the remaining path. +/// +/// For Relative root, we get the current volume (either in Shell Mapping, or Device Path Protocol +/// form) and join it with the relative root path. We then recurse the function to resolve the Shell +/// Mapping if present. +/// +/// For Relative paths, we use the current working directory to construct +/// the new path and recurse the function to resolve the Shell mapping if present. +/// +/// Finally, at the end, we get the 2nd form, i.e. Absolute Device Path, which can be used in the +/// normal UEFI APIs such as file, process, etc. +/// Eg: PciRoot(0x0)/Pci(0x1,0x1)/Ata(Secondary,Slave,0x0)/\abc\run.efi +pub(crate) fn absolute(path: &Path) -> io::Result<PathBuf> { + // Absolute Shell Path + if path.as_os_str().as_encoded_bytes().contains(&COLON) { + let mut path_components = path.components(); + // Since path is not empty, it has at least one Component + let prefix = path_components.next().unwrap(); + + let dev_path = helpers::get_device_path_from_map(prefix.as_ref())?; + let mut dev_path_text = dev_path.to_text().map_err(|_| unsupported_err())?; + + // UEFI Shell does not seem to end device path with `/` + if *dev_path_text.as_encoded_bytes().last().unwrap() != FORWARD_SLASH { + dev_path_text.push("/"); + } + + let mut ans = PathBuf::from(dev_path_text); + ans.push(path_components); + + return Ok(ans); + } + + // Absolute Device Path + if path.as_os_str().as_encoded_bytes().contains(&FORWARD_SLASH) { + return Ok(path.to_path_buf()); + } + + // cur_dir() always returns something + let cur_dir = crate::env::current_dir().unwrap(); + let mut path_components = path.components(); + + // Relative Root + if path_components.next().unwrap() == crate::path::Component::RootDir { + let mut ans = PathBuf::new(); + ans.push(cur_dir.components().next().unwrap()); + ans.push(path_components); + return absolute(&ans); + } + + absolute(&cur_dir.join(path)) +} + +pub(crate) fn is_absolute(path: &Path) -> bool { + let temp = path.as_os_str().as_encoded_bytes(); + temp.contains(&COLON) || temp.contains(&FORWARD_SLASH) +} diff --git a/src/bootstrap/src/core/build_steps/test.rs b/src/bootstrap/src/core/build_steps/test.rs index 5e250d18ce6..825e5452f0e 100644 --- a/src/bootstrap/src/core/build_steps/test.rs +++ b/src/bootstrap/src/core/build_steps/test.rs @@ -86,6 +86,7 @@ impl Step for CrateBootstrap { SourceType::InTree, &[], ); + let crate_name = path.rsplit_once('/').unwrap().1; run_cargo_test(cargo, &[], &[], crate_name, crate_name, bootstrap_host, builder); } @@ -3106,6 +3107,8 @@ impl Step for Bootstrap { &[], ); + cargo.release_build(false); + cargo .rustflag("-Cdebuginfo=2") .env("CARGO_TARGET_DIR", builder.out.join("bootstrap")) diff --git a/src/bootstrap/src/core/builder/cargo.rs b/src/bootstrap/src/core/builder/cargo.rs index 1b413dcb07e..f6a03a386d1 100644 --- a/src/bootstrap/src/core/builder/cargo.rs +++ b/src/bootstrap/src/core/builder/cargo.rs @@ -88,12 +88,14 @@ impl HostFlags { #[derive(Debug)] pub struct Cargo { command: BootstrapCommand, + args: Vec<OsString>, compiler: Compiler, target: TargetSelection, rustflags: Rustflags, rustdocflags: Rustflags, hostflags: HostFlags, allow_features: String, + release_build: bool, } impl Cargo { @@ -121,6 +123,10 @@ impl Cargo { cargo } + pub fn release_build(&mut self, release_build: bool) { + self.release_build = release_build; + } + pub fn compiler(&self) -> Compiler { self.compiler } @@ -153,7 +159,7 @@ impl Cargo { } pub fn arg(&mut self, arg: impl AsRef<OsStr>) -> &mut Cargo { - self.command.arg(arg.as_ref()); + self.args.push(arg.as_ref().into()); self } @@ -342,6 +348,12 @@ impl Cargo { impl From<Cargo> for BootstrapCommand { fn from(mut cargo: Cargo) -> BootstrapCommand { + if cargo.release_build { + cargo.args.insert(0, "--release".into()); + } + + cargo.command.args(cargo.args); + let rustflags = &cargo.rustflags.0; if !rustflags.is_empty() { cargo.command.env("RUSTFLAGS", rustflags); @@ -360,6 +372,7 @@ impl From<Cargo> for BootstrapCommand { if !cargo.allow_features.is_empty() { cargo.command.env("RUSTC_ALLOW_FEATURES", cargo.allow_features); } + cargo.command } } @@ -429,13 +442,6 @@ impl Builder<'_> { assert_eq!(target, compiler.host); } - if self.config.rust_optimize.is_release() && - // cargo bench/install do not accept `--release` and miri doesn't want it - !matches!(cmd_kind, Kind::Bench | Kind::Install | Kind::Miri | Kind::MiriSetup | Kind::MiriTest) - { - cargo.arg("--release"); - } - // Remove make-related flags to ensure Cargo can correctly set things up cargo.env_remove("MAKEFLAGS"); cargo.env_remove("MFLAGS"); @@ -1218,14 +1224,20 @@ impl Builder<'_> { rustflags.arg("-Zmir_strip_debuginfo=locals-in-tiny-functions"); } + let release_build = self.config.rust_optimize.is_release() && + // cargo bench/install do not accept `--release` and miri doesn't want it + !matches!(cmd_kind, Kind::Bench | Kind::Install | Kind::Miri | Kind::MiriSetup | Kind::MiriTest); + Cargo { command: cargo, + args: vec![], compiler, target, rustflags, rustdocflags, hostflags, allow_features, + release_build, } } } diff --git a/src/ci/github-actions/jobs.yml b/src/ci/github-actions/jobs.yml index c6bc19f9e6c..9af88709625 100644 --- a/src/ci/github-actions/jobs.yml +++ b/src/ci/github-actions/jobs.yml @@ -43,6 +43,10 @@ runners: os: windows-2022-8core-32gb <<: *base-job + - &job-windows-25-8c + os: windows-2025-8core-32gb + <<: *base-job + - &job-aarch64-linux # Free some disk space to avoid running out of space during the build. free_disk: true @@ -524,7 +528,7 @@ auto: # We are intentionally allowing an old toolchain on this builder (and that's # incompatible with LLVM downloads today). NO_DOWNLOAD_CI_LLVM: 1 - <<: *job-windows-8c + <<: *job-windows-25-8c # x86_64-mingw is split into two jobs to run tests in parallel. - name: x86_64-mingw-1 diff --git a/src/doc/rustc-dev-guide/src/building/new-target.md b/src/doc/rustc-dev-guide/src/building/new-target.md index 1d9fa1b52d5..cd215277e69 100644 --- a/src/doc/rustc-dev-guide/src/building/new-target.md +++ b/src/doc/rustc-dev-guide/src/building/new-target.md @@ -4,8 +4,13 @@ These are a set of steps to add support for a new target. There are numerous end states and paths to get there, so not all sections may be relevant to your desired goal. +See also the associated documentation in the +[target tier policy][target_tier_policy_add]. + <!-- toc --> +[target_tier_policy_add]: https://doc.rust-lang.org/rustc/target-tier-policy.html#adding-a-new-target + ## Specifying a new LLVM For very new targets, you may need to use a different fork of LLVM diff --git a/src/doc/rustc-dev-guide/src/compiler-debugging.md b/src/doc/rustc-dev-guide/src/compiler-debugging.md index a2a6c8085df..e2097b26e5c 100644 --- a/src/doc/rustc-dev-guide/src/compiler-debugging.md +++ b/src/doc/rustc-dev-guide/src/compiler-debugging.md @@ -275,7 +275,7 @@ Here are some notable ones: | `rustc_dump_def_parents` | Dumps the chain of `DefId` parents of certain definitions. | | `rustc_dump_item_bounds` | Dumps the [`item_bounds`] of an item. | | `rustc_dump_predicates` | Dumps the [`predicates_of`] an item. | -| `rustc_dump_vtable` | | +| `rustc_dump_vtable` | Dumps the vtable layout of an impl, or a type alias of a dyn type. | | `rustc_hidden_type_of_opaques` | Dumps the [hidden type of each opaque types][opaq] in the crate. | | `rustc_layout` | [See this section](#debugging-type-layouts). | | `rustc_object_lifetime_default` | Dumps the [object lifetime defaults] of an item. | diff --git a/src/doc/rustc/src/target-tier-policy.md b/src/doc/rustc/src/target-tier-policy.md index bdcf2c0b07e..a0acfdf0e4a 100644 --- a/src/doc/rustc/src/target-tier-policy.md +++ b/src/doc/rustc/src/target-tier-policy.md @@ -122,12 +122,23 @@ To propose addition of a new target, open a pull request on [`rust-lang/rust`]: r? compiler ``` +See also the documentation in the `rustc-dev-guide` on [adding a new target to +`rustc`][rustc_dev_guide_add_target]. + +Note that adding a new target that wants to support `std` would transitively +require `cc` and `libc` support. However, these would like to know about the +target from `rustc` as well. To break this cycle, you are strongly encouraged +to add a _minimal_ `#![no_core]` target spec first to teach `rustc` about the +target's existence, and add `std` support as a follow-up once you've added +support for the target in `cc` and `libc`. + [tier3example]: https://github.com/rust-lang/rust/pull/94872 [platform_template]: https://github.com/rust-lang/rust/blob/master/src/doc/rustc/src/platform-support/TEMPLATE.md [summary]: https://github.com/rust-lang/rust/blob/master/src/doc/rustc/src/SUMMARY.md [platformsupport]: https://github.com/rust-lang/rust/blob/master/src/doc/rustc/src/platform-support.md [rust_compiler_team]: https://www.rust-lang.org/governance/teams/compiler [`rust-lang/rust`]: https://github.com/rust-lang/rust +[rustc_dev_guide_add_target]: https://rustc-dev-guide.rust-lang.org/building/new-target.html ## Tier 3 target policy diff --git a/src/doc/rustdoc/src/unstable-features.md b/src/doc/rustdoc/src/unstable-features.md index d1d42e47322..7eb1b8df233 100644 --- a/src/doc/rustdoc/src/unstable-features.md +++ b/src/doc/rustdoc/src/unstable-features.md @@ -524,6 +524,8 @@ use `-o -`. ## `-w`/`--output-format`: output format +### json + `--output-format json` emits documentation in the experimental [JSON format](https://doc.rust-lang.org/nightly/nightly-rustc/rustdoc_json_types/). `--output-format html` has no effect, and is also accepted on stable toolchains. @@ -542,6 +544,68 @@ It can also be used with `--show-coverage`. Take a look at its [documentation](#--show-coverage-calculate-the-percentage-of-items-with-documentation) for more information. +### doctest + +`--output-format doctest` emits JSON on stdout which gives you information about doctests in the +provided crate. + +Tracking issue: [#134529](https://github.com/rust-lang/rust/issues/134529) + +You can use this option like this: + +```bash +rustdoc -Zunstable-options --output-format=doctest src/lib.rs +``` + +For this rust code: + +```rust +/// ``` +/// let x = 12; +/// ``` +pub trait Trait {} +``` + +The generated output (formatted) will look like this: + +```json +{ + "format_version": 1, + "doctests": [ + { + "file": "foo.rs", + "line": 1, + "doctest_attributes": { + "original": "", + "should_panic": false, + "no_run": false, + "ignore": "None", + "rust": true, + "test_harness": false, + "compile_fail": false, + "standalone_crate": false, + "error_codes": [], + "edition": null, + "added_css_classes": [], + "unknown": [] + }, + "original_code": "let x = 12;", + "doctest_code": "#![allow(unused)]\nfn main() {\nlet x = 12;\n}", + "name": "foo.rs - Trait (line 1)" + } + ] +} +``` + + * `format_version` gives you the current version of the generated JSON. If we change the output in any way, the number will increase. + * `doctests` contains the list of doctests present in the crate. + * `file` is the file path where the doctest is located. + * `line` is the line where the doctest starts (so where the \`\`\` is located in the current code). + * `doctest_attributes` contains computed information about the attributes used on the doctests. For more information about doctest attributes, take a look [here](write-documentation/documentation-tests.html#attributes). + * `original_code` is the code as written in the source code before rustdoc modifies it. + * `doctest_code` is the code modified by rustdoc that will be run. If there is a fatal syntax error, this field will not be present. + * `name` is the name generated by rustdoc which represents this doctest. + ## `--enable-per-target-ignores`: allow `ignore-foo` style filters for doctests * Tracking issue: [#64245](https://github.com/rust-lang/rust/issues/64245) diff --git a/src/librustdoc/clean/utils.rs b/src/librustdoc/clean/utils.rs index 77040aeb94d..0b4fd9c2258 100644 --- a/src/librustdoc/clean/utils.rs +++ b/src/librustdoc/clean/utils.rs @@ -344,10 +344,8 @@ pub(crate) fn print_const(cx: &DocContext<'_>, n: ty::Const<'_>) -> String { s } // array lengths are obviously usize - ty::ConstKind::Value(ty, ty::ValTree::Leaf(scalar)) - if *ty.kind() == ty::Uint(ty::UintTy::Usize) => - { - scalar.to_string() + ty::ConstKind::Value(cv) if *cv.ty.kind() == ty::Uint(ty::UintTy::Usize) => { + cv.valtree.unwrap_leaf().to_string() } _ => n.to_string(), } diff --git a/src/librustdoc/config.rs b/src/librustdoc/config.rs index 80bc6cebd2a..cfba7895208 100644 --- a/src/librustdoc/config.rs +++ b/src/librustdoc/config.rs @@ -33,6 +33,7 @@ pub(crate) enum OutputFormat { Json, #[default] Html, + Doctest, } impl OutputFormat { @@ -48,6 +49,7 @@ impl TryFrom<&str> for OutputFormat { match value { "json" => Ok(OutputFormat::Json), "html" => Ok(OutputFormat::Html), + "doctest" => Ok(OutputFormat::Doctest), _ => Err(format!("unknown output format `{value}`")), } } @@ -445,14 +447,42 @@ impl Options { } } + let show_coverage = matches.opt_present("show-coverage"); + let output_format_s = matches.opt_str("output-format"); + let output_format = match output_format_s { + Some(ref s) => match OutputFormat::try_from(s.as_str()) { + Ok(out_fmt) => out_fmt, + Err(e) => dcx.fatal(e), + }, + None => OutputFormat::default(), + }; + // check for `--output-format=json` - if !matches!(matches.opt_str("output-format").as_deref(), None | Some("html")) - && !matches.opt_present("show-coverage") - && !nightly_options::is_unstable_enabled(matches) - { - dcx.fatal( - "the -Z unstable-options flag must be passed to enable --output-format for documentation generation (see https://github.com/rust-lang/rust/issues/76578)", - ); + match ( + output_format_s.as_ref().map(|_| output_format), + show_coverage, + nightly_options::is_unstable_enabled(matches), + ) { + (None | Some(OutputFormat::Json), true, _) => {} + (_, true, _) => { + dcx.fatal(format!( + "`--output-format={}` is not supported for the `--show-coverage` option", + output_format_s.unwrap_or_default(), + )); + } + // If `-Zunstable-options` is used, nothing to check after this point. + (_, false, true) => {} + (None | Some(OutputFormat::Html), false, _) => {} + (Some(OutputFormat::Json), false, false) => { + dcx.fatal( + "the -Z unstable-options flag must be passed to enable --output-format for documentation generation (see https://github.com/rust-lang/rust/issues/76578)", + ); + } + (Some(OutputFormat::Doctest), false, false) => { + dcx.fatal( + "the -Z unstable-options flag must be passed to enable --output-format for documentation generation (see https://github.com/rust-lang/rust/issues/134529)", + ); + } } let to_check = matches.opt_strs("check-theme"); @@ -704,8 +734,6 @@ impl Options { }) .collect(); - let show_coverage = matches.opt_present("show-coverage"); - let crate_types = match parse_crate_types_from_list(matches.opt_strs("crate-type")) { Ok(types) => types, Err(e) => { @@ -713,20 +741,6 @@ impl Options { } }; - let output_format = match matches.opt_str("output-format") { - Some(s) => match OutputFormat::try_from(s.as_str()) { - Ok(out_fmt) => { - if !out_fmt.is_json() && show_coverage { - dcx.fatal( - "html output format isn't supported for the --show-coverage option", - ); - } - out_fmt - } - Err(e) => dcx.fatal(e), - }, - None => OutputFormat::default(), - }; let crate_name = matches.opt_str("crate-name"); let bin_crate = crate_types.contains(&CrateType::Executable); let proc_macro_crate = crate_types.contains(&CrateType::ProcMacro); diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index 8c3e28ecec3..8b522e614b8 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -1,3 +1,4 @@ +mod extracted; mod make; mod markdown; mod runner; @@ -30,7 +31,7 @@ use tempfile::{Builder as TempFileBuilder, TempDir}; use tracing::debug; use self::rust::HirCollector; -use crate::config::Options as RustdocOptions; +use crate::config::{Options as RustdocOptions, OutputFormat}; use crate::html::markdown::{ErrorCodes, Ignore, LangString, MdRelLine}; use crate::lint::init_lints; @@ -209,15 +210,8 @@ pub(crate) fn run(dcx: DiagCtxtHandle<'_>, input: Input, options: RustdocOptions let args_path = temp_dir.path().join("rustdoc-cfgs"); crate::wrap_return(dcx, generate_args_file(&args_path, &options)); - let CreateRunnableDocTests { - standalone_tests, - mergeable_tests, - rustdoc_options, - opts, - unused_extern_reports, - compiling_test_count, - .. - } = interface::run_compiler(config, |compiler| { + let extract_doctests = options.output_format == OutputFormat::Doctest; + let result = interface::run_compiler(config, |compiler| { let krate = rustc_interface::passes::parse(&compiler.sess); let collector = rustc_interface::create_and_enter_global_ctxt(compiler, krate, |tcx| { @@ -226,22 +220,53 @@ pub(crate) fn run(dcx: DiagCtxtHandle<'_>, input: Input, options: RustdocOptions let opts = scrape_test_config(crate_name, crate_attrs, args_path); let enable_per_target_ignores = options.enable_per_target_ignores; - let mut collector = CreateRunnableDocTests::new(options, opts); let hir_collector = HirCollector::new( ErrorCodes::from(compiler.sess.opts.unstable_features.is_nightly_build()), enable_per_target_ignores, tcx, ); let tests = hir_collector.collect_crate(); - tests.into_iter().for_each(|t| collector.add_test(t)); + if extract_doctests { + let mut collector = extracted::ExtractedDocTests::new(); + tests.into_iter().for_each(|t| collector.add_test(t, &opts, &options)); + + let stdout = std::io::stdout(); + let mut stdout = stdout.lock(); + if let Err(error) = serde_json::ser::to_writer(&mut stdout, &collector) { + eprintln!(); + Err(format!("Failed to generate JSON output for doctests: {error:?}")) + } else { + Ok(None) + } + } else { + let mut collector = CreateRunnableDocTests::new(options, opts); + tests.into_iter().for_each(|t| collector.add_test(t)); - collector + Ok(Some(collector)) + } }); compiler.sess.dcx().abort_if_errors(); collector }); + let CreateRunnableDocTests { + standalone_tests, + mergeable_tests, + rustdoc_options, + opts, + unused_extern_reports, + compiling_test_count, + .. + } = match result { + Ok(Some(collector)) => collector, + Ok(None) => return, + Err(error) => { + eprintln!("{error}"); + std::process::exit(1); + } + }; + run_tests(opts, &rustdoc_options, &unused_extern_reports, standalone_tests, mergeable_tests); let compiling_test_count = compiling_test_count.load(Ordering::SeqCst); diff --git a/src/librustdoc/doctest/extracted.rs b/src/librustdoc/doctest/extracted.rs new file mode 100644 index 00000000000..03c8814a4c9 --- /dev/null +++ b/src/librustdoc/doctest/extracted.rs @@ -0,0 +1,141 @@ +//! Rustdoc's doctest extraction. +//! +//! This module contains the logic to extract doctests and output a JSON containing this +//! information. + +use serde::Serialize; + +use super::{DocTestBuilder, ScrapedDocTest}; +use crate::config::Options as RustdocOptions; +use crate::html::markdown; + +/// The version of JSON output that this code generates. +/// +/// This integer is incremented with every breaking change to the API, +/// and is returned along with the JSON blob into the `format_version` root field. +/// Consuming code should assert that this value matches the format version(s) that it supports. +const FORMAT_VERSION: u32 = 1; + +#[derive(Serialize)] +pub(crate) struct ExtractedDocTests { + format_version: u32, + doctests: Vec<ExtractedDocTest>, +} + +impl ExtractedDocTests { + pub(crate) fn new() -> Self { + Self { format_version: FORMAT_VERSION, doctests: Vec::new() } + } + + pub(crate) fn add_test( + &mut self, + scraped_test: ScrapedDocTest, + opts: &super::GlobalTestOptions, + options: &RustdocOptions, + ) { + let edition = scraped_test.edition(&options); + + let ScrapedDocTest { filename, line, langstr, text, name } = scraped_test; + + let doctest = DocTestBuilder::new( + &text, + Some(&opts.crate_name), + edition, + false, + None, + Some(&langstr), + ); + let (full_test_code, size) = doctest.generate_unique_doctest( + &text, + langstr.test_harness, + &opts, + Some(&opts.crate_name), + ); + self.doctests.push(ExtractedDocTest { + file: filename.prefer_remapped_unconditionaly().to_string(), + line, + doctest_attributes: langstr.into(), + doctest_code: if size != 0 { Some(full_test_code) } else { None }, + original_code: text, + name, + }); + } +} + +#[derive(Serialize)] +pub(crate) struct ExtractedDocTest { + file: String, + line: usize, + doctest_attributes: LangString, + original_code: String, + /// `None` if the code syntax is invalid. + doctest_code: Option<String>, + name: String, +} + +#[derive(Serialize)] +pub(crate) enum Ignore { + All, + None, + Some(Vec<String>), +} + +impl From<markdown::Ignore> for Ignore { + fn from(original: markdown::Ignore) -> Self { + match original { + markdown::Ignore::All => Self::All, + markdown::Ignore::None => Self::None, + markdown::Ignore::Some(values) => Self::Some(values), + } + } +} + +#[derive(Serialize)] +struct LangString { + pub(crate) original: String, + pub(crate) should_panic: bool, + pub(crate) no_run: bool, + pub(crate) ignore: Ignore, + pub(crate) rust: bool, + pub(crate) test_harness: bool, + pub(crate) compile_fail: bool, + pub(crate) standalone_crate: bool, + pub(crate) error_codes: Vec<String>, + pub(crate) edition: Option<String>, + pub(crate) added_css_classes: Vec<String>, + pub(crate) unknown: Vec<String>, +} + +impl From<markdown::LangString> for LangString { + fn from(original: markdown::LangString) -> Self { + let markdown::LangString { + original, + should_panic, + no_run, + ignore, + rust, + test_harness, + compile_fail, + standalone_crate, + error_codes, + edition, + added_classes, + unknown, + } = original; + + Self { + original, + should_panic, + no_run, + ignore: ignore.into(), + rust, + test_harness, + compile_fail, + standalone_crate, + error_codes, + edition: edition.map(|edition| edition.to_string()), + added_css_classes: added_classes, + unknown, + } + } +} diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs index bb954a31891..44adf92ff0e 100644 --- a/src/librustdoc/lib.rs +++ b/src/librustdoc/lib.rs @@ -814,7 +814,12 @@ fn main_args(early_dcx: &mut EarlyDiagCtxt, at_args: &[String]) { } }; - match (options.should_test, config::markdown_input(&input)) { + let output_format = options.output_format; + + match ( + options.should_test || output_format == config::OutputFormat::Doctest, + config::markdown_input(&input), + ) { (true, Some(_)) => return wrap_return(dcx, doctest::test_markdown(&input, options)), (true, None) => return doctest::run(dcx, input, options), (false, Some(md_input)) => { @@ -849,7 +854,6 @@ fn main_args(early_dcx: &mut EarlyDiagCtxt, at_args: &[String]) { // plug/cleaning passes. let crate_version = options.crate_version.clone(); - let output_format = options.output_format; let scrape_examples_options = options.scrape_examples_options.clone(); let bin_crate = options.bin_crate; @@ -899,6 +903,8 @@ fn main_args(early_dcx: &mut EarlyDiagCtxt, at_args: &[String]) { config::OutputFormat::Json => sess.time("render_json", || { run_renderer::<json::JsonRenderer<'_>>(krate, render_opts, cache, tcx) }), + // Already handled above with doctest runners. + config::OutputFormat::Doctest => unreachable!(), } }) }) diff --git a/src/tools/clippy/clippy_lints/src/large_const_arrays.rs b/src/tools/clippy/clippy_lints/src/large_const_arrays.rs index 623b6b4fcc1..cabf10b7e0e 100644 --- a/src/tools/clippy/clippy_lints/src/large_const_arrays.rs +++ b/src/tools/clippy/clippy_lints/src/large_const_arrays.rs @@ -56,9 +56,8 @@ impl<'tcx> LateLintPass<'tcx> for LargeConstArrays { && !item.span.from_expansion() && let ty = cx.tcx.type_of(item.owner_id).instantiate_identity() && let ty::Array(element_type, cst) = ty.kind() - && let Some((ty::ValTree::Leaf(element_count), _)) = cx.tcx - .try_normalize_erasing_regions(cx.typing_env(), *cst).unwrap_or(*cst).try_to_valtree() - && let element_count = element_count.to_target_usize(cx.tcx) + && let Some(element_count) = cx.tcx + .try_normalize_erasing_regions(cx.typing_env(), *cst).unwrap_or(*cst).try_to_target_usize(cx.tcx) && let Ok(element_size) = cx.layout_of(*element_type).map(|l| l.size.bytes()) && u128::from(self.maximum_allowed_size) < u128::from(element_count) * u128::from(element_size) { diff --git a/src/tools/clippy/clippy_lints/src/large_stack_arrays.rs b/src/tools/clippy/clippy_lints/src/large_stack_arrays.rs index 46d7df6995a..6f5c5d6b3ea 100644 --- a/src/tools/clippy/clippy_lints/src/large_stack_arrays.rs +++ b/src/tools/clippy/clippy_lints/src/large_stack_arrays.rs @@ -8,7 +8,7 @@ use clippy_utils::source::snippet; use rustc_hir::{Expr, ExprKind, Item, ItemKind, Node}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::layout::LayoutOf; -use rustc_middle::ty::{self, ConstKind}; +use rustc_middle::ty; use rustc_session::impl_lint_pass; use rustc_span::{Span, sym}; @@ -81,8 +81,7 @@ impl<'tcx> LateLintPass<'tcx> for LargeStackArrays { && let ExprKind::Repeat(_, _) | ExprKind::Array(_) = expr.kind && !self.is_from_vec_macro(cx, expr.span) && let ty::Array(element_type, cst) = cx.typeck_results().expr_ty(expr).kind() - && let ConstKind::Value(_, ty::ValTree::Leaf(element_count)) = cst.kind() - && let element_count = element_count.to_target_usize(cx.tcx) + && let Some(element_count) = cst.try_to_target_usize(cx.tcx) && let Ok(element_size) = cx.layout_of(*element_type).map(|l| l.size.bytes()) && !cx.tcx.hir().parent_iter(expr.hir_id).any(|(_, node)| { matches!( diff --git a/src/tools/miri/src/intrinsics/simd.rs b/src/tools/miri/src/intrinsics/simd.rs index 54bdd3f02c2..63a61dcd148 100644 --- a/src/tools/miri/src/intrinsics/simd.rs +++ b/src/tools/miri/src/intrinsics/simd.rs @@ -640,7 +640,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let (dest, dest_len) = this.project_to_simd(dest)?; let index = - generic_args[2].expect_const().try_to_valtree().unwrap().0.unwrap_branch(); + generic_args[2].expect_const().to_value().valtree.unwrap_branch(); let index_len = index.len(); assert_eq!(left_len, right_len); diff --git a/src/tools/miri/tests/pass/dyn-upcast.rs b/src/tools/miri/tests/pass/dyn-upcast.rs index 61410f7c4e0..f100c4d6a86 100644 --- a/src/tools/miri/tests/pass/dyn-upcast.rs +++ b/src/tools/miri/tests/pass/dyn-upcast.rs @@ -10,6 +10,8 @@ fn main() { replace_vptr(); vtable_nop_cast(); drop_principal(); + modulo_binder(); + modulo_assoc(); } fn vtable_nop_cast() { @@ -482,3 +484,53 @@ fn drop_principal() { println!("before"); drop(y); } + +// Test for <https://github.com/rust-lang/rust/issues/135316>. +fn modulo_binder() { + trait Supertrait<T> { + fn _print_numbers(&self, mem: &[usize; 100]) { + println!("{mem:?}"); + } + } + impl<T> Supertrait<T> for () {} + + trait Trait<T, U>: Supertrait<T> + Supertrait<U> { + fn say_hello(&self, _: &usize) { + println!("Hello!"); + } + } + impl<T, U> Trait<T, U> for () {} + + (&() as &'static dyn for<'a> Trait<&'static (), &'a ()> + as &'static dyn Trait<&'static (), &'static ()>) + .say_hello(&0); +} + +// Test for <https://github.com/rust-lang/rust/issues/135315>. +fn modulo_assoc() { + trait Supertrait<T> { + fn _print_numbers(&self, mem: &[usize; 100]) { + println!("{mem:?}"); + } + } + impl<T> Supertrait<T> for () {} + + trait Identity { + type Selff; + } + impl<Selff> Identity for Selff { + type Selff = Selff; + } + + trait Middle<T>: Supertrait<()> + Supertrait<T> { + fn say_hello(&self, _: &usize) { + println!("Hello!"); + } + } + impl<T> Middle<T> for () {} + + trait Trait: Middle<<() as Identity>::Selff> {} + impl Trait for () {} + + (&() as &dyn Trait as &dyn Middle<()>).say_hello(&0); +} diff --git a/src/tools/miri/tests/pass/dyn-upcast.stdout b/src/tools/miri/tests/pass/dyn-upcast.stdout index edd99a114a1..379600db3d9 100644 --- a/src/tools/miri/tests/pass/dyn-upcast.stdout +++ b/src/tools/miri/tests/pass/dyn-upcast.stdout @@ -2,3 +2,5 @@ before goodbye before goodbye +Hello! +Hello! diff --git a/src/tools/opt-dist/src/main.rs b/src/tools/opt-dist/src/main.rs index 04de3493ea2..565721a9093 100644 --- a/src/tools/opt-dist/src/main.rs +++ b/src/tools/opt-dist/src/main.rs @@ -148,16 +148,6 @@ fn create_environment(args: Args) -> anyhow::Result<(Environment, Vec<String>)> let is_aarch64 = target_triple.starts_with("aarch64"); - let skip_tests = if is_aarch64 { - vec![ - // Those tests fail only inside of Docker on aarch64, as of December 2024 - "tests/ui/consts/promoted_running_out_of_memory_issue-130687.rs".to_string(), - "tests/ui/consts/large_const_alloc.rs".to_string(), - ] - } else { - vec![] - }; - let checkout_dir = Utf8PathBuf::from("/checkout"); let env = EnvironmentBuilder::default() .host_tuple(target_triple) @@ -169,7 +159,7 @@ fn create_environment(args: Args) -> anyhow::Result<(Environment, Vec<String>)> .shared_llvm(true) // FIXME: Enable bolt for aarch64 once it's fixed upstream. Broken as of December 2024. .use_bolt(!is_aarch64) - .skipped_tests(skip_tests) + .skipped_tests(vec![]) .build()?; (env, shared.build_args) diff --git a/tests/codegen/addr-of-mutate.rs b/tests/codegen/addr-of-mutate.rs index f10f01274b1..14bc4b8ab28 100644 --- a/tests/codegen/addr-of-mutate.rs +++ b/tests/codegen/addr-of-mutate.rs @@ -5,7 +5,7 @@ // Test for the absence of `readonly` on the argument when it is mutated via `&raw const`. // See <https://github.com/rust-lang/rust/issues/111502>. -// CHECK: i8 @foo(ptr noalias nocapture noundef align 1 dereferenceable(128) %x) +// CHECK: i8 @foo(ptr noalias{{( nocapture)?}} noundef align 1{{( captures\(none\))?}} dereferenceable(128) %x) #[no_mangle] pub fn foo(x: [u8; 128]) -> u8 { let ptr = core::ptr::addr_of!(x).cast_mut(); @@ -15,7 +15,7 @@ pub fn foo(x: [u8; 128]) -> u8 { x[0] } -// CHECK: i1 @second(ptr noalias nocapture noundef align {{[0-9]+}} dereferenceable({{[0-9]+}}) %a_ptr_and_b) +// CHECK: i1 @second(ptr noalias{{( nocapture)?}} noundef align {{[0-9]+}}{{( captures\(none\))?}} dereferenceable({{[0-9]+}}) %a_ptr_and_b) #[no_mangle] pub unsafe fn second(a_ptr_and_b: (*mut (i32, bool), (i64, bool))) -> bool { let b_bool_ptr = core::ptr::addr_of!(a_ptr_and_b.1.1).cast_mut(); @@ -24,7 +24,7 @@ pub unsafe fn second(a_ptr_and_b: (*mut (i32, bool), (i64, bool))) -> bool { } // If going through a deref (and there are no other mutating accesses), then `readonly` is fine. -// CHECK: i1 @third(ptr noalias nocapture noundef readonly align {{[0-9]+}} dereferenceable({{[0-9]+}}) %a_ptr_and_b) +// CHECK: i1 @third(ptr noalias{{( nocapture)?}} noundef readonly align {{[0-9]+}}{{( captures\(none\))?}} dereferenceable({{[0-9]+}}) %a_ptr_and_b) #[no_mangle] pub unsafe fn third(a_ptr_and_b: (*mut (i32, bool), (i64, bool))) -> bool { let b_bool_ptr = core::ptr::addr_of!((*a_ptr_and_b.0).1).cast_mut(); diff --git a/tests/codegen/asm/bpf-clobbers.rs b/tests/codegen/asm/bpf-clobbers.rs new file mode 100644 index 00000000000..1117549b1ec --- /dev/null +++ b/tests/codegen/asm/bpf-clobbers.rs @@ -0,0 +1,31 @@ +//@ add-core-stubs +//@ compile-flags: --target bpfel-unknown-none +//@ needs-llvm-components: bpf + +#![crate_type = "rlib"] +#![feature(no_core, asm_experimental_arch)] +#![no_core] + +extern crate minicore; +use minicore::*; + +// CHECK-LABEL: @flags_clobber +// CHECK: call void asm sideeffect "", ""() +#[no_mangle] +pub unsafe fn flags_clobber() { + asm!("", options(nostack, nomem)); +} + +// CHECK-LABEL: @no_clobber +// CHECK: call void asm sideeffect "", ""() +#[no_mangle] +pub unsafe fn no_clobber() { + asm!("", options(nostack, nomem, preserves_flags)); +} + +// CHECK-LABEL: @clobber_abi +// CHECK: asm sideeffect "", "={r0},={r1},={r2},={r3},={r4},={r5}"() +#[no_mangle] +pub unsafe fn clobber_abi() { + asm!("", clobber_abi("C"), options(nostack, nomem, preserves_flags)); +} diff --git a/tests/codegen/cast-target-abi.rs b/tests/codegen/cast-target-abi.rs index db76aae3dd0..b3a35cbf3b1 100644 --- a/tests/codegen/cast-target-abi.rs +++ b/tests/codegen/cast-target-abi.rs @@ -392,7 +392,7 @@ pub fn call_fiveu16s() { } // CHECK-LABEL: @return_fiveu16s -// CHECK-SAME: (ptr {{.+}} sret([10 x i8]) align [[RUST_ALIGN:2]] dereferenceable(10) [[RET_PTR:%.+]]) +// CHECK-SAME: (ptr {{.+}} sret([10 x i8]) align [[RUST_ALIGN:2]] {{.*}}dereferenceable(10) [[RET_PTR:%.+]]) #[no_mangle] pub fn return_fiveu16s() -> FiveU16s { // powerpc returns this struct via sret pointer, it doesn't use the cast ABI. diff --git a/tests/codegen/function-arguments.rs b/tests/codegen/function-arguments.rs index 503799d3ed2..1a211dfe096 100644 --- a/tests/codegen/function-arguments.rs +++ b/tests/codegen/function-arguments.rs @@ -135,7 +135,7 @@ pub fn mutable_notunpin_borrow(_: &mut NotUnpin) {} #[no_mangle] pub fn notunpin_borrow(_: &NotUnpin) {} -// CHECK: @indirect_struct(ptr noalias nocapture noundef readonly align 4 dereferenceable(32) %_1) +// CHECK: @indirect_struct(ptr noalias{{( nocapture)?}} noundef readonly align 4{{( captures\(none\))?}} dereferenceable(32) %_1) #[no_mangle] pub fn indirect_struct(_: S) {} @@ -198,7 +198,7 @@ pub fn notunpin_box(x: Box<NotUnpin>) -> Box<NotUnpin> { x } -// CHECK: @struct_return(ptr{{( dead_on_unwind)?}} noalias nocapture noundef{{( writable)?}} sret([32 x i8]) align 4 dereferenceable(32){{( %_0)?}}) +// CHECK: @struct_return(ptr{{( dead_on_unwind)?}} noalias{{( nocapture)?}} noundef{{( writable)?}} sret([32 x i8]) align 4{{( captures\(none\))?}} dereferenceable(32){{( %_0)?}}) #[no_mangle] pub fn struct_return() -> S { S { _field: [0, 0, 0, 0, 0, 0, 0, 0] } diff --git a/tests/codegen/i128-x86-align.rs b/tests/codegen/i128-x86-align.rs index 6b1da445c40..ac101b72513 100644 --- a/tests/codegen/i128-x86-align.rs +++ b/tests/codegen/i128-x86-align.rs @@ -19,8 +19,10 @@ pub struct ScalarPair { #[no_mangle] pub fn load(x: &ScalarPair) -> ScalarPair { // CHECK-LABEL: @load( - // CHECK-SAME: sret([32 x i8]) align 16 dereferenceable(32) %_0, - // CHECK-SAME: align 16 dereferenceable(32) %x + // CHECK-SAME: sret([32 x i8]) align 16 + // CHECK-SAME: dereferenceable(32) %_0, + // CHECK-SAME: align 16 + // CHECK-SAME: dereferenceable(32) %x // CHECK: [[A:%.*]] = load i32, ptr %x, align 16 // CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i8, ptr %x, i64 16 // CHECK-NEXT: [[B:%.*]] = load i128, ptr [[GEP]], align 16 @@ -34,7 +36,8 @@ pub fn load(x: &ScalarPair) -> ScalarPair { #[no_mangle] pub fn store(x: &mut ScalarPair) { // CHECK-LABEL: @store( - // CHECK-SAME: align 16 dereferenceable(32) %x + // CHECK-SAME: align 16 + // CHECK-SAME: dereferenceable(32) %x // CHECK: store i32 1, ptr %x, align 16 // CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i8, ptr %x, i64 16 // CHECK-NEXT: store i128 2, ptr [[GEP]], align 16 @@ -55,8 +58,10 @@ pub fn alloca() { #[no_mangle] pub fn load_volatile(x: &ScalarPair) -> ScalarPair { // CHECK-LABEL: @load_volatile( - // CHECK-SAME: sret([32 x i8]) align 16 dereferenceable(32) %_0, - // CHECK-SAME: align 16 dereferenceable(32) %x + // CHECK-SAME: sret([32 x i8]) align 16 + // CHECK-SAME: dereferenceable(32) %_0, + // CHECK-SAME: align 16 + // CHECK-SAME: dereferenceable(32) %x // CHECK: [[LOAD:%.*]] = load volatile %ScalarPair, ptr %x, align 16 // CHECK-NEXT: store %ScalarPair [[LOAD]], ptr %_0, align 16 // CHECK-NEXT: ret void @@ -66,7 +71,8 @@ pub fn load_volatile(x: &ScalarPair) -> ScalarPair { #[no_mangle] pub fn transmute(x: ScalarPair) -> (std::mem::MaybeUninit<i128>, i128) { // CHECK-LABEL: @transmute( - // CHECK-SAME: sret([32 x i8]) align 16 dereferenceable(32) %_0, + // CHECK-SAME: sret([32 x i8]) align 16 + // CHECK-SAME: dereferenceable(32) %_0, // CHECK-SAME: i32 noundef %x.0, i128 noundef %x.1 // CHECK: store i32 %x.0, ptr %_0, align 16 // CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i8, ptr %_0, i64 16 @@ -86,7 +92,8 @@ pub struct Struct { #[no_mangle] pub fn store_struct(x: &mut Struct) { // CHECK-LABEL: @store_struct( - // CHECK-SAME: align 16 dereferenceable(32) %x + // CHECK-SAME: align 16 + // CHECK-SAME: dereferenceable(32) %x // CHECK: [[TMP:%.*]] = alloca [32 x i8], align 16 // CHECK: store i32 1, ptr [[TMP]], align 16 // CHECK-NEXT: [[GEP1:%.*]] = getelementptr inbounds i8, ptr [[TMP]], i64 4 diff --git a/tests/codegen/loongarch-abi/loongarch64-lp64d-abi.rs b/tests/codegen/loongarch-abi/loongarch64-lp64d-abi.rs index cba1a980caa..b147d01b38e 100644 --- a/tests/codegen/loongarch-abi/loongarch64-lp64d-abi.rs +++ b/tests/codegen/loongarch-abi/loongarch64-lp64d-abi.rs @@ -259,11 +259,11 @@ pub struct IntDoubleInt { c: i32, } -// CHECK: define void @f_int_double_int_s_arg(ptr noalias nocapture noundef align 8 dereferenceable(24) %a) +// CHECK: define void @f_int_double_int_s_arg(ptr noalias{{( nocapture)?}} noundef align 8{{( captures\(none\))?}} dereferenceable(24) %a) #[no_mangle] pub extern "C" fn f_int_double_int_s_arg(a: IntDoubleInt) {} -// CHECK: define void @f_ret_int_double_int_s(ptr{{( dead_on_unwind)?}} noalias nocapture noundef{{( writable)?}} sret([24 x i8]) align 8 dereferenceable(24) %_0) +// CHECK: define void @f_ret_int_double_int_s(ptr{{( dead_on_unwind)?}} noalias{{( nocapture)?}} noundef{{( writable)?}} sret([24 x i8]) align 8{{( captures\(none\))?}} dereferenceable(24) %_0) #[no_mangle] pub extern "C" fn f_ret_int_double_int_s() -> IntDoubleInt { IntDoubleInt { a: 1, b: 2., c: 3 } diff --git a/tests/codegen/packed.rs b/tests/codegen/packed.rs index 790d618b2ea..66df978d48c 100644 --- a/tests/codegen/packed.rs +++ b/tests/codegen/packed.rs @@ -52,7 +52,7 @@ pub struct BigPacked2 { #[no_mangle] pub fn call_pkd1(f: fn() -> Array) -> BigPacked1 { // CHECK: [[ALLOCA:%[_a-z0-9]+]] = alloca [32 x i8] - // CHECK: call void %{{.*}}(ptr noalias nocapture noundef sret{{.*}} dereferenceable(32) [[ALLOCA]]) + // CHECK: call void %{{.*}}(ptr{{( captures(none))?}} noalias{{( nocapture)?}} noundef sret{{.*}} dereferenceable(32) [[ALLOCA]]) // CHECK: call void @llvm.memcpy.{{.*}}(ptr align 1 %{{.*}}, ptr align 4 %{{.*}}, i{{[0-9]+}} 32, i1 false) // check that calls whose destination is a field of a packed struct // go through an alloca rather than calling the function with an @@ -64,7 +64,7 @@ pub fn call_pkd1(f: fn() -> Array) -> BigPacked1 { #[no_mangle] pub fn call_pkd2(f: fn() -> Array) -> BigPacked2 { // CHECK: [[ALLOCA:%[_a-z0-9]+]] = alloca [32 x i8] - // CHECK: call void %{{.*}}(ptr noalias nocapture noundef sret{{.*}} dereferenceable(32) [[ALLOCA]]) + // CHECK: call void %{{.*}}(ptr{{( captures(none))?}} noalias{{( nocapture)?}} noundef sret{{.*}} dereferenceable(32) [[ALLOCA]]) // CHECK: call void @llvm.memcpy.{{.*}}(ptr align 2 %{{.*}}, ptr align 4 %{{.*}}, i{{[0-9]+}} 32, i1 false) // check that calls whose destination is a field of a packed struct // go through an alloca rather than calling the function with an diff --git a/tests/codegen/riscv-abi/riscv64-lp64d-abi.rs b/tests/codegen/riscv-abi/riscv64-lp64d-abi.rs index bcd9b0eae71..c14d5c01450 100644 --- a/tests/codegen/riscv-abi/riscv64-lp64d-abi.rs +++ b/tests/codegen/riscv-abi/riscv64-lp64d-abi.rs @@ -263,7 +263,7 @@ pub struct IntDoubleInt { #[no_mangle] pub extern "C" fn f_int_double_int_s_arg(a: IntDoubleInt) {} -// CHECK: define void @f_ret_int_double_int_s(ptr {{.*}} sret([24 x i8]) align 8 dereferenceable(24) %_0) +// CHECK: define void @f_ret_int_double_int_s(ptr {{.*}} sret([24 x i8]) align 8 {{.*}}dereferenceable(24) %_0) #[no_mangle] pub extern "C" fn f_ret_int_double_int_s() -> IntDoubleInt { IntDoubleInt { a: 1, b: 2., c: 3 } diff --git a/tests/crashes/131102.rs b/tests/crashes/131102.rs deleted file mode 100644 index 12b35f8d1b2..00000000000 --- a/tests/crashes/131102.rs +++ /dev/null @@ -1,4 +0,0 @@ -//@ known-bug: #131102 -pub struct Blorb<const N: u16>([String; N]); -pub struct Wrap(Blorb<0>); -pub const fn i(_: Wrap) {} diff --git a/tests/run-make/target-specs/require-explicit-cpu.json b/tests/run-make/target-specs/require-explicit-cpu.json new file mode 100644 index 00000000000..5cbb9573b3f --- /dev/null +++ b/tests/run-make/target-specs/require-explicit-cpu.json @@ -0,0 +1,11 @@ +{ + "data-layout": "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-i128:128-f64:32:64-f80:32-n8:16:32-S128", + "linker-flavor": "gcc", + "llvm-target": "i686-unknown-linux-gnu", + "target-endian": "little", + "target-pointer-width": "32", + "target-c-int-width": "32", + "arch": "x86", + "os": "linux", + "need-explicit-cpu": true +} diff --git a/tests/run-make/target-specs/rmake.rs b/tests/run-make/target-specs/rmake.rs index 79c888ab340..f36a5784c89 100644 --- a/tests/run-make/target-specs/rmake.rs +++ b/tests/run-make/target-specs/rmake.rs @@ -63,4 +63,17 @@ fn main() { .crate_type("lib") .run_fail() .assert_stderr_contains("data-layout for target"); + rustc() + .input("foo.rs") + .target("require-explicit-cpu") + .crate_type("lib") + .run_fail() + .assert_stderr_contains("target requires explicitly specifying a cpu"); + rustc() + .input("foo.rs") + .target("require-explicit-cpu") + .crate_type("lib") + .arg("-Ctarget-cpu=generic") + .run(); + rustc().target("require-explicit-cpu").arg("--print=target-cpus").run(); } diff --git a/tests/rustdoc-ui/coverage/html.stderr b/tests/rustdoc-ui/coverage/html.stderr index adca375d4bc..764179820c5 100644 --- a/tests/rustdoc-ui/coverage/html.stderr +++ b/tests/rustdoc-ui/coverage/html.stderr @@ -1,2 +1,2 @@ -error: html output format isn't supported for the --show-coverage option +error: `--output-format=html` is not supported for the `--show-coverage` option diff --git a/tests/rustdoc-ui/doctest-output.rs b/tests/rustdoc-ui/doctest-output.rs new file mode 100644 index 00000000000..720f2952980 --- /dev/null +++ b/tests/rustdoc-ui/doctest-output.rs @@ -0,0 +1 @@ +//@ compile-flags:-Z unstable-options --show-coverage --output-format=doctest diff --git a/tests/rustdoc-ui/doctest-output.stderr b/tests/rustdoc-ui/doctest-output.stderr new file mode 100644 index 00000000000..20c618dc61b --- /dev/null +++ b/tests/rustdoc-ui/doctest-output.stderr @@ -0,0 +1,2 @@ +error: `--output-format=doctest` is not supported for the `--show-coverage` option + diff --git a/tests/rustdoc-ui/extract-doctests.rs b/tests/rustdoc-ui/extract-doctests.rs new file mode 100644 index 00000000000..06bd35969d0 --- /dev/null +++ b/tests/rustdoc-ui/extract-doctests.rs @@ -0,0 +1,15 @@ +// Test to ensure that it generates expected output for `--output-format=doctest` command-line +// flag. + +//@ compile-flags:-Z unstable-options --output-format=doctest +//@ normalize-stdout: "tests/rustdoc-ui" -> "$$DIR" +//@ check-pass + +//! ```ignore (checking attributes) +//! let x = 12; +//! let y = 14; +//! ``` +//! +//! ```edition2018,compile_fail +//! let +//! ``` diff --git a/tests/rustdoc-ui/extract-doctests.stdout b/tests/rustdoc-ui/extract-doctests.stdout new file mode 100644 index 00000000000..fa8604cae94 --- /dev/null +++ b/tests/rustdoc-ui/extract-doctests.stdout @@ -0,0 +1 @@ +{"format_version":1,"doctests":[{"file":"$DIR/extract-doctests.rs","line":8,"doctest_attributes":{"original":"ignore (checking attributes)","should_panic":false,"no_run":false,"ignore":"All","rust":true,"test_harness":false,"compile_fail":false,"standalone_crate":false,"error_codes":[],"edition":null,"added_css_classes":[],"unknown":[]},"original_code":"let x = 12;\nlet y = 14;","doctest_code":"#![allow(unused)]\nfn main() {\nlet x = 12;\nlet y = 14;\n}","name":"$DIR/extract-doctests.rs - (line 8)"},{"file":"$DIR/extract-doctests.rs","line":13,"doctest_attributes":{"original":"edition2018,compile_fail","should_panic":false,"no_run":true,"ignore":"None","rust":true,"test_harness":false,"compile_fail":true,"standalone_crate":false,"error_codes":[],"edition":"2018","added_css_classes":[],"unknown":[]},"original_code":"let","doctest_code":"#![allow(unused)]\nfn main() {\nlet\n}","name":"$DIR/extract-doctests.rs - (line 13)"}]} \ No newline at end of file diff --git a/tests/rustdoc/intra-doc/auxiliary/issue-103463-aux.rs b/tests/rustdoc-ui/intra-doc/auxiliary/issue-103463-aux.rs index 2b8fdec1f12..2b8fdec1f12 100644 --- a/tests/rustdoc/intra-doc/auxiliary/issue-103463-aux.rs +++ b/tests/rustdoc-ui/intra-doc/auxiliary/issue-103463-aux.rs diff --git a/tests/rustdoc/intra-doc/issue-104145.rs b/tests/rustdoc-ui/intra-doc/ice-extern-trait-local-impl-104145.rs index 5690803af5a..0e403b21c8a 100644 --- a/tests/rustdoc/intra-doc/issue-104145.rs +++ b/tests/rustdoc-ui/intra-doc/ice-extern-trait-local-impl-104145.rs @@ -1,3 +1,6 @@ +// https://github.com/rust-lang/rust/issues/104145 +//@ check-pass + // Doc links in `Trait`'s methods are resolved because it has a local impl. //@ aux-build:issue-103463-aux.rs diff --git a/tests/rustdoc/intra-doc/issue-103463.rs b/tests/rustdoc-ui/intra-doc/ice-priv-use-103463.rs index 9b5cb67fd32..10894282e55 100644 --- a/tests/rustdoc/intra-doc/issue-103463.rs +++ b/tests/rustdoc-ui/intra-doc/ice-priv-use-103463.rs @@ -1,3 +1,6 @@ +// https://github.com/rust-lang/rust/issues/103463 +//@ check-pass + // The `Trait` is not pulled into the crate resulting in doc links in its methods being resolved. //@ aux-build:issue-103463-aux.rs diff --git a/tests/rustdoc-ui/invalid_const_in_lifetime_position.stderr b/tests/rustdoc-ui/invalid_const_in_lifetime_position.stderr index 180ba63927b..2c25589a553 100644 --- a/tests/rustdoc-ui/invalid_const_in_lifetime_position.stderr +++ b/tests/rustdoc-ui/invalid_const_in_lifetime_position.stderr @@ -99,7 +99,7 @@ LL | fn f<'a>(arg : Box<dyn X<Y<1> = &'a ()>>) {} | ^^^^^^^^^^^^^^^^^^^^ `X` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/invalid_const_in_lifetime_position.rs:2:10 | LL | trait X { diff --git a/tests/rustdoc-ui/issues/ice-generic-type-alias-105742.stderr b/tests/rustdoc-ui/issues/ice-generic-type-alias-105742.stderr index 72d1a52f710..1e52b699820 100644 --- a/tests/rustdoc-ui/issues/ice-generic-type-alias-105742.stderr +++ b/tests/rustdoc-ui/issues/ice-generic-type-alias-105742.stderr @@ -301,7 +301,7 @@ LL | pub fn next<'a, T>(s: &'a mut dyn SVec<Item = T, Output = T>) { | ^^^^^^^^^^^^^^^^^^^^^^^^^^ `SVec` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/ice-generic-type-alias-105742.rs:15:17 | LL | pub trait SVec: Index< diff --git a/tests/rustdoc/inline_cross/issue-28480.rs b/tests/rustdoc/inline_cross/doc-hidden-broken-link-28480.rs index 004510fd922..e1ca7403c03 100644 --- a/tests/rustdoc/inline_cross/issue-28480.rs +++ b/tests/rustdoc/inline_cross/doc-hidden-broken-link-28480.rs @@ -1,3 +1,6 @@ +// https://github.com/rust-lang/rust/issues/28480 +#![crate_name="foobar"] + //@ aux-build:rustdoc-hidden-sig.rs //@ build-aux-docs //@ ignore-cross-compile @@ -7,7 +10,7 @@ //@ has - '//a' 'u8' extern crate rustdoc_hidden_sig; -//@ has issue_28480/struct.Bar.html +//@ has foobar/struct.Bar.html //@ !has - '//a/@title' 'Hidden' //@ has - '//a' 'u8' pub use rustdoc_hidden_sig::Bar; diff --git a/tests/rustdoc/inline_cross/issue-31948-1.rs b/tests/rustdoc/inline_cross/doc-reachability-impl-31948-1.rs index e59da87c29d..baab1da9547 100644 --- a/tests/rustdoc/inline_cross/issue-31948-1.rs +++ b/tests/rustdoc/inline_cross/doc-reachability-impl-31948-1.rs @@ -1,27 +1,30 @@ +// https://github.com/rust-lang/rust/issues/31948 +#![crate_name="foobar"] + //@ aux-build:rustdoc-nonreachable-impls.rs //@ build-aux-docs //@ ignore-cross-compile extern crate rustdoc_nonreachable_impls; -//@ has issue_31948_1/struct.Wobble.html +//@ has foobar/struct.Wobble.html //@ has - '//*[@class="impl"]//h3[@class="code-header"]' 'Bark for' //@ has - '//*[@class="impl"]//h3[@class="code-header"]' 'Woof for' //@ !has - '//*[@class="impl"]//h3[@class="code-header"]' 'Bar for' //@ !has - '//*[@class="impl"]//h3[@class="code-header"]' 'Qux for' pub use rustdoc_nonreachable_impls::hidden::Wobble; -//@ has issue_31948_1/trait.Bark.html +//@ has foobar/trait.Bark.html //@ has - '//h3[@class="code-header"]' 'for Foo' //@ has - '//h3[@class="code-header"]' 'for Wobble' //@ !has - '//h3[@class="code-header"]' 'for Wibble' pub use rustdoc_nonreachable_impls::Bark; -//@ has issue_31948_1/trait.Woof.html +//@ has foobar/trait.Woof.html //@ has - '//h3[@class="code-header"]' 'for Foo' //@ has - '//h3[@class="code-header"]' 'for Wobble' //@ !has - '//h3[@class="code-header"]' 'for Wibble' pub use rustdoc_nonreachable_impls::Woof; -//@ !has issue_31948_1/trait.Bar.html -//@ !has issue_31948_1/trait.Qux.html +//@ !has foobar/trait.Bar.html +//@ !has foobar/trait.Qux.html diff --git a/tests/rustdoc/inline_cross/issue-31948-2.rs b/tests/rustdoc/inline_cross/doc-reachability-impl-31948-2.rs index 34b57052883..40e9108ec62 100644 --- a/tests/rustdoc/inline_cross/issue-31948-2.rs +++ b/tests/rustdoc/inline_cross/doc-reachability-impl-31948-2.rs @@ -1,21 +1,24 @@ +// https://github.com/rust-lang/rust/issues/31948 +#![crate_name="foobar"] + //@ aux-build:rustdoc-nonreachable-impls.rs //@ build-aux-docs //@ ignore-cross-compile extern crate rustdoc_nonreachable_impls; -//@ has issue_31948_2/struct.Wobble.html +//@ has foobar/struct.Wobble.html //@ has - '//*[@class="impl"]//h3[@class="code-header"]' 'Qux for' //@ has - '//*[@class="impl"]//h3[@class="code-header"]' 'Bark for' //@ has - '//*[@class="impl"]//h3[@class="code-header"]' 'Woof for' //@ !has - '//*[@class="impl"]//h3[@class="code-header"]' 'Bar for' pub use rustdoc_nonreachable_impls::hidden::Wobble; -//@ has issue_31948_2/trait.Qux.html +//@ has foobar/trait.Qux.html //@ has - '//h3[@class="code-header"]' 'for Foo' //@ has - '//h3[@class="code-header"]' 'for Wobble' pub use rustdoc_nonreachable_impls::hidden::Qux; -//@ !has issue_31948_2/trait.Bar.html -//@ !has issue_31948_2/trait.Woof.html -//@ !has issue_31948_2/trait.Bark.html +//@ !has foobar/trait.Bar.html +//@ !has foobar/trait.Woof.html +//@ !has foobar/trait.Bark.html diff --git a/tests/rustdoc/inline_cross/issue-31948.rs b/tests/rustdoc/inline_cross/doc-reachability-impl-31948.rs index 7a43fc7b279..ab0048513c7 100644 --- a/tests/rustdoc/inline_cross/issue-31948.rs +++ b/tests/rustdoc/inline_cross/doc-reachability-impl-31948.rs @@ -1,29 +1,32 @@ +// https://github.com/rust-lang/rust/issues/31948 +#![crate_name="foobar"] + //@ aux-build:rustdoc-nonreachable-impls.rs //@ build-aux-docs //@ ignore-cross-compile extern crate rustdoc_nonreachable_impls; -//@ has issue_31948/struct.Foo.html +//@ has foobar/struct.Foo.html //@ has - '//*[@class="impl"]//h3[@class="code-header"]' 'Bark for' //@ has - '//*[@class="impl"]//h3[@class="code-header"]' 'Woof for' //@ !has - '//*[@class="impl"]//h3[@class="code-header"]' 'Bar for' //@ !has - '//*[@class="impl"]//h3[@class="code-header"]' 'Qux for' pub use rustdoc_nonreachable_impls::Foo; -//@ has issue_31948/trait.Bark.html +//@ has foobar/trait.Bark.html //@ has - '//h3[@class="code-header"]' 'for Foo' //@ !has - '//h3[@class="code-header"]' 'for Wibble' //@ !has - '//h3[@class="code-header"]' 'for Wobble' pub use rustdoc_nonreachable_impls::Bark; -//@ has issue_31948/trait.Woof.html +//@ has foobar/trait.Woof.html //@ has - '//h3[@class="code-header"]' 'for Foo' //@ !has - '//h3[@class="code-header"]' 'for Wibble' //@ !has - '//h3[@class="code-header"]' 'for Wobble' pub use rustdoc_nonreachable_impls::Woof; -//@ !has issue_31948/trait.Bar.html -//@ !has issue_31948/trait.Qux.html -//@ !has issue_31948/struct.Wibble.html -//@ !has issue_31948/struct.Wobble.html +//@ !has foobar/trait.Bar.html +//@ !has foobar/trait.Qux.html +//@ !has foobar/struct.Wibble.html +//@ !has foobar/struct.Wobble.html diff --git a/tests/rustdoc/inline_cross/issue-32881.rs b/tests/rustdoc/inline_cross/impl-dyn-trait-32881.rs index d4ebf10a1ca..f7dc7414455 100644 --- a/tests/rustdoc/inline_cross/issue-32881.rs +++ b/tests/rustdoc/inline_cross/impl-dyn-trait-32881.rs @@ -1,10 +1,13 @@ +// https://github.com/rust-lang/rust/issues/32881 +#![crate_name="foobar"] + //@ aux-build:rustdoc-trait-object-impl.rs //@ build-aux-docs //@ ignore-cross-compile extern crate rustdoc_trait_object_impl; -//@ has issue_32881/trait.Bar.html +//@ has foobar/trait.Bar.html //@ has - '//h3[@class="code-header"]' "impl<'a> dyn Bar" //@ has - '//h3[@class="code-header"]' "impl<'a> Debug for dyn Bar" diff --git a/tests/rustdoc/inline_cross/issue-33113.rs b/tests/rustdoc/inline_cross/impl-ref-33113.rs index 05e87d962cb..9ac4f02e00c 100644 --- a/tests/rustdoc/inline_cross/issue-33113.rs +++ b/tests/rustdoc/inline_cross/impl-ref-33113.rs @@ -1,10 +1,13 @@ +// https://github.com/rust-lang/rust/issues/33113 +#![crate_name="foobar"] + //@ aux-build:issue-33113.rs //@ build-aux-docs //@ ignore-cross-compile extern crate bar; -//@ has issue_33113/trait.Bar.html +//@ has foobar/trait.Bar.html //@ has - '//h3[@class="code-header"]' "for &'a char" //@ has - '//h3[@class="code-header"]' "for Foo" pub use bar::Bar; diff --git a/tests/rustdoc/inline_cross/issue-76736-1.rs b/tests/rustdoc/inline_cross/rustc-private-76736-1.rs index fe52702fd6f..3ffa5e6cc06 100644 --- a/tests/rustdoc/inline_cross/issue-76736-1.rs +++ b/tests/rustdoc/inline_cross/rustc-private-76736-1.rs @@ -1,3 +1,5 @@ +// https://github.com/rust-lang/rust/issues/76736 + //@ aux-build:issue-76736-1.rs //@ aux-build:issue-76736-2.rs diff --git a/tests/rustdoc/inline_cross/issue-76736-2.rs b/tests/rustdoc/inline_cross/rustc-private-76736-2.rs index df376ebe9a1..843b2941602 100644 --- a/tests/rustdoc/inline_cross/issue-76736-2.rs +++ b/tests/rustdoc/inline_cross/rustc-private-76736-2.rs @@ -1,3 +1,5 @@ +// https://github.com/rust-lang/rust/issues/76736 + //@ aux-build:issue-76736-1.rs //@ aux-build:issue-76736-2.rs diff --git a/tests/rustdoc/inline_cross/issue-76736-3.rs b/tests/rustdoc/inline_cross/rustc-private-76736-3.rs index 1bed4621c04..f9b46caa02f 100644 --- a/tests/rustdoc/inline_cross/issue-76736-3.rs +++ b/tests/rustdoc/inline_cross/rustc-private-76736-3.rs @@ -1,3 +1,5 @@ +// https://github.com/rust-lang/rust/issues/76736 + //@ compile-flags: -Zforce-unstable-if-unmarked //@ aux-build:issue-76736-1.rs //@ aux-build:issue-76736-2.rs diff --git a/tests/rustdoc/inline_cross/issue-76736-4.rs b/tests/rustdoc/inline_cross/rustc-private-76736-4.rs index 487e9030108..511464f2c49 100644 --- a/tests/rustdoc/inline_cross/issue-76736-4.rs +++ b/tests/rustdoc/inline_cross/rustc-private-76736-4.rs @@ -1,3 +1,5 @@ +// https://github.com/rust-lang/rust/issues/76736 + //@ aux-build:issue-76736-1.rs //@ aux-build:issue-76736-2.rs diff --git a/tests/rustdoc/inline_cross/issue-24183.method_no_where_self_sized.html b/tests/rustdoc/inline_cross/self-sized-bounds-24183.method_no_where_self_sized.html index f3c1c045202..f3c1c045202 100644 --- a/tests/rustdoc/inline_cross/issue-24183.method_no_where_self_sized.html +++ b/tests/rustdoc/inline_cross/self-sized-bounds-24183.method_no_where_self_sized.html diff --git a/tests/rustdoc/inline_cross/issue-24183.rs b/tests/rustdoc/inline_cross/self-sized-bounds-24183.rs index 8299eecc575..909005532f5 100644 --- a/tests/rustdoc/inline_cross/issue-24183.rs +++ b/tests/rustdoc/inline_cross/self-sized-bounds-24183.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/24183 #![crate_type = "lib"] #![crate_name = "usr"] diff --git a/tests/rustdoc/inline_local/issue-32343.rs b/tests/rustdoc/inline_local/doc-no-inline-32343.rs index 2ec123fdc5c..ed11614a500 100644 --- a/tests/rustdoc/inline_local/issue-32343.rs +++ b/tests/rustdoc/inline_local/doc-no-inline-32343.rs @@ -1,12 +1,15 @@ -//@ !has issue_32343/struct.Foo.html -//@ has issue_32343/index.html +// https://github.com/rust-lang/rust/issues/32343 +#![crate_name="foobar"] + +//@ !has foobar/struct.Foo.html +//@ has foobar/index.html //@ has - '//code' 'pub use foo::Foo' //@ !has - '//code/a' 'Foo' #[doc(no_inline)] pub use foo::Foo; -//@ !has issue_32343/struct.Bar.html -//@ has issue_32343/index.html +//@ !has foobar/struct.Bar.html +//@ has foobar/index.html //@ has - '//code' 'pub use foo::Bar' //@ has - '//code/a' 'Bar' #[doc(no_inline)] @@ -18,6 +21,6 @@ mod foo { } pub mod bar { - //@ has issue_32343/bar/struct.Bar.html + //@ has foobar/bar/struct.Bar.html pub use ::foo::Bar; } diff --git a/tests/rustdoc/inline_local/issue-28537.rs b/tests/rustdoc/inline_local/pub-re-export-28537.rs index d5ba94d2e6c..0e9836c7cee 100644 --- a/tests/rustdoc/inline_local/issue-28537.rs +++ b/tests/rustdoc/inline_local/pub-re-export-28537.rs @@ -1,3 +1,6 @@ +// https://github.com/rust-lang/rust/issues/28537 +#![crate_name="foo"] + #[doc(hidden)] pub mod foo { pub struct Foo; @@ -10,8 +13,8 @@ mod bar { } } -//@ has issue_28537/struct.Foo.html +//@ has foo/struct.Foo.html pub use foo::Foo; -//@ has issue_28537/struct.Bar.html +//@ has foo/struct.Bar.html pub use self::bar::Bar; diff --git a/tests/rustdoc/intra-doc/issue-82209.rs b/tests/rustdoc/intra-doc/enum-self-82209.rs index 46d028e535c..615115a5f8b 100644 --- a/tests/rustdoc/intra-doc/issue-82209.rs +++ b/tests/rustdoc/intra-doc/enum-self-82209.rs @@ -1,3 +1,5 @@ +// https://github.com/rust-lang/rust/issues/82209 + #![crate_name = "foo"] #![deny(rustdoc::broken_intra_doc_links)] pub enum Foo { diff --git a/tests/rustdoc/intra-doc/issue-108459.rs b/tests/rustdoc/intra-doc/link-same-name-different-disambiguator-108459.rs index 18424c069d3..0b339eaf6b2 100644 --- a/tests/rustdoc/intra-doc/issue-108459.rs +++ b/tests/rustdoc/intra-doc/link-same-name-different-disambiguator-108459.rs @@ -1,3 +1,6 @@ +// https://github.com/rust-lang/rust/pull/108459 +#![crate_name="foobar"] + #![deny(rustdoc::broken_intra_doc_links)] #![allow(rustdoc::redundant_explicit_links)] @@ -13,13 +16,13 @@ pub struct MyStruct1; // the same target but different text /// See also [crate::char] and [mod@char] and [prim@char] -//@ has issue_108459/struct.MyStruct2.html '//*[@href="char/index.html"]' 'crate::char' +//@ has foobar/struct.MyStruct2.html '//*[@href="char/index.html"]' 'crate::char' //@ has - '//*[@href="char/index.html"]' 'char' //@ has - '//*[@href="{{channel}}/std/primitive.char.html"]' 'char' pub struct MyStruct2; /// See also [mod@char] and [prim@char] and [crate::char] -//@ has issue_108459/struct.MyStruct3.html '//*[@href="char/index.html"]' 'crate::char' +//@ has foobar/struct.MyStruct3.html '//*[@href="char/index.html"]' 'crate::char' //@ has - '//*[@href="char/index.html"]' 'char' //@ has - '//*[@href="{{channel}}/std/primitive.char.html"]' 'char' pub struct MyStruct3; @@ -28,11 +31,11 @@ pub struct MyStruct3; // different targets /// See also [char][mod@char] and [char][prim@char] -//@ has issue_108459/struct.MyStruct4.html '//*[@href="char/index.html"]' 'char' +//@ has foobar/struct.MyStruct4.html '//*[@href="char/index.html"]' 'char' //@ has - '//*[@href="{{channel}}/std/primitive.char.html"]' 'char' pub struct MyStruct4; /// See also [char][prim@char] and [char][crate::char] -//@ has issue_108459/struct.MyStruct5.html '//*[@href="char/index.html"]' 'char' +//@ has foobar/struct.MyStruct5.html '//*[@href="char/index.html"]' 'char' //@ has - '//*[@href="{{channel}}/std/primitive.char.html"]' 'char' pub struct MyStruct5; diff --git a/tests/rustdoc/intra-doc/issue-66159.rs b/tests/rustdoc/intra-doc/same-name-different-crates-66159.rs index 5d50f63f299..7e3ace9355a 100644 --- a/tests/rustdoc/intra-doc/issue-66159.rs +++ b/tests/rustdoc/intra-doc/same-name-different-crates-66159.rs @@ -1,3 +1,6 @@ +// https://github.com/rust-lang/rust/issues/66159 +#![crate_name="foobar"] + //@ aux-crate:priv:pub_struct=pub-struct.rs //@ compile-flags:-Z unstable-options @@ -6,5 +9,5 @@ // Since we don't generate the docs for the auxiliary files, we can't actually // verify that the struct is linked correctly. -//@ has issue_66159/index.html +//@ has foobar/index.html //! [pub_struct::SomeStruct] diff --git a/tests/ui/associated-consts/associated-const-in-trait.stderr b/tests/ui/associated-consts/associated-const-in-trait.stderr index 107ceeaf113..5aaa6f6be05 100644 --- a/tests/ui/associated-consts/associated-const-in-trait.stderr +++ b/tests/ui/associated-consts/associated-const-in-trait.stderr @@ -5,7 +5,7 @@ LL | impl dyn Trait { | ^^^^^^^^^ `Trait` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/associated-const-in-trait.rs:4:11 | LL | trait Trait { @@ -21,7 +21,7 @@ LL | const fn n() -> usize { Self::N } | ^^^^ `Trait` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/associated-const-in-trait.rs:4:11 | LL | trait Trait { diff --git a/tests/ui/associated-item/issue-48027.stderr b/tests/ui/associated-item/issue-48027.stderr index 1baaefd7720..513961e2bd0 100644 --- a/tests/ui/associated-item/issue-48027.stderr +++ b/tests/ui/associated-item/issue-48027.stderr @@ -5,7 +5,7 @@ LL | impl dyn Bar {} | ^^^^^^^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-48027.rs:2:11 | LL | trait Bar { diff --git a/tests/ui/async-await/async-fn/dyn-pos.stderr b/tests/ui/async-await/async-fn/dyn-pos.stderr index f9d2a669477..7d5b37bdbe7 100644 --- a/tests/ui/async-await/async-fn/dyn-pos.stderr +++ b/tests/ui/async-await/async-fn/dyn-pos.stderr @@ -5,7 +5,7 @@ LL | fn foo(x: &dyn AsyncFn()) {} | ^^^^^^^^^ `AsyncFnMut` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $SRC_DIR/core/src/ops/async_function.rs:LL:COL | = note: the trait is not dyn compatible because it contains the generic associated type `CallRefFuture` diff --git a/tests/ui/async-await/in-trait/dyn-compatibility.stderr b/tests/ui/async-await/in-trait/dyn-compatibility.stderr index c6c406902f6..553bcbf89d5 100644 --- a/tests/ui/async-await/in-trait/dyn-compatibility.stderr +++ b/tests/ui/async-await/in-trait/dyn-compatibility.stderr @@ -5,7 +5,7 @@ LL | let x: &dyn Foo = todo!(); | ^^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/dyn-compatibility.rs:5:14 | LL | trait Foo { diff --git a/tests/ui/async-await/inference_var_self_argument.stderr b/tests/ui/async-await/inference_var_self_argument.stderr index a674fc0f3a5..1fccc32470f 100644 --- a/tests/ui/async-await/inference_var_self_argument.stderr +++ b/tests/ui/async-await/inference_var_self_argument.stderr @@ -14,7 +14,7 @@ LL | async fn foo(self: &dyn Foo) { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/inference_var_self_argument.rs:5:14 | LL | trait Foo { diff --git a/tests/ui/coherence/coherence-impl-trait-for-trait-dyn-compatible.stderr b/tests/ui/coherence/coherence-impl-trait-for-trait-dyn-compatible.stderr index 20257bbaf28..033bfee226f 100644 --- a/tests/ui/coherence/coherence-impl-trait-for-trait-dyn-compatible.stderr +++ b/tests/ui/coherence/coherence-impl-trait-for-trait-dyn-compatible.stderr @@ -5,7 +5,7 @@ LL | impl DynIncompatible for dyn DynIncompatible { } | ^^^^^^^^^^^^^^^^^^^ `DynIncompatible` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/coherence-impl-trait-for-trait-dyn-compatible.rs:6:45 | LL | trait DynIncompatible { fn eq(&self, other: Self); } diff --git a/tests/ui/const-generics/adt_const_params/const_param_ty_dyn_compatibility.stderr b/tests/ui/const-generics/adt_const_params/const_param_ty_dyn_compatibility.stderr index cd7f3a3c21d..6fa9b591ad2 100644 --- a/tests/ui/const-generics/adt_const_params/const_param_ty_dyn_compatibility.stderr +++ b/tests/ui/const-generics/adt_const_params/const_param_ty_dyn_compatibility.stderr @@ -5,7 +5,7 @@ LL | fn foo(a: &dyn ConstParamTy_) {} | ^^^^^^^^^^^^^ `ConstParamTy_` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $SRC_DIR/core/src/cmp.rs:LL:COL | = note: the trait is not dyn compatible because it uses `Self` as a type parameter @@ -21,7 +21,7 @@ LL | fn bar(a: &dyn UnsizedConstParamTy) {} | ^^^^^^^^^^^^^^^^^^^ `UnsizedConstParamTy` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $SRC_DIR/core/src/cmp.rs:LL:COL | = note: the trait is not dyn compatible because it uses `Self` as a type parameter diff --git a/tests/ui/const-generics/generic_const_exprs/dyn-compatibility-err-ret.stderr b/tests/ui/const-generics/generic_const_exprs/dyn-compatibility-err-ret.stderr index 763bc626c9d..8bc6ef093d0 100644 --- a/tests/ui/const-generics/generic_const_exprs/dyn-compatibility-err-ret.stderr +++ b/tests/ui/const-generics/generic_const_exprs/dyn-compatibility-err-ret.stderr @@ -5,7 +5,7 @@ LL | fn use_dyn(v: &dyn Foo) { | ^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/dyn-compatibility-err-ret.rs:8:8 | LL | trait Foo { @@ -24,7 +24,7 @@ LL | v.test(); | ^^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/dyn-compatibility-err-ret.rs:8:8 | LL | trait Foo { diff --git a/tests/ui/const-generics/generic_const_exprs/dyn-compatibility-err-where-bounds.stderr b/tests/ui/const-generics/generic_const_exprs/dyn-compatibility-err-where-bounds.stderr index 56678e4e9af..f5eaaa37916 100644 --- a/tests/ui/const-generics/generic_const_exprs/dyn-compatibility-err-where-bounds.stderr +++ b/tests/ui/const-generics/generic_const_exprs/dyn-compatibility-err-where-bounds.stderr @@ -5,7 +5,7 @@ LL | fn use_dyn(v: &dyn Foo) { | ^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/dyn-compatibility-err-where-bounds.rs:8:8 | LL | trait Foo { @@ -22,7 +22,7 @@ LL | v.test(); | ^^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/dyn-compatibility-err-where-bounds.rs:8:8 | LL | trait Foo { diff --git a/tests/ui/const-generics/generic_const_exprs/issue-102768.stderr b/tests/ui/const-generics/generic_const_exprs/issue-102768.stderr index bd1811bd2cc..57b61006631 100644 --- a/tests/ui/const-generics/generic_const_exprs/issue-102768.stderr +++ b/tests/ui/const-generics/generic_const_exprs/issue-102768.stderr @@ -99,7 +99,7 @@ LL | fn f2<'a>(arg: Box<dyn X<Y<1> = &'a ()>>) {} | ^^^^^^^^^^^^^^^^^^^^ `X` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-102768.rs:5:10 | LL | trait X { diff --git a/tests/ui/consts/bad-array-size-in-type-err.rs b/tests/ui/consts/bad-array-size-in-type-err.rs index cb02ad3205d..0490a9d3620 100644 --- a/tests/ui/consts/bad-array-size-in-type-err.rs +++ b/tests/ui/consts/bad-array-size-in-type-err.rs @@ -8,3 +8,14 @@ fn main() { //~^ ERROR mismatched types //~| ERROR the constant `2` is not of type `usize` } + +fn iter(val: BadArraySize::<2>) { + for _ in val.arr {} + //~^ ERROR the constant `2` is not of type `usize` + //~| ERROR `[i32; 2]` is not an iterator +} + +// issue #131102 +pub struct Blorb<const N: u16>([String; N]); //~ ERROR the constant `N` is not of type `usize` +pub struct Wrap(Blorb<0>); +pub const fn i(_: Wrap) {} //~ ERROR destructor of `Wrap` cannot be evaluated at compile-time diff --git a/tests/ui/consts/bad-array-size-in-type-err.stderr b/tests/ui/consts/bad-array-size-in-type-err.stderr index c3ff216432e..84e16f8d931 100644 --- a/tests/ui/consts/bad-array-size-in-type-err.stderr +++ b/tests/ui/consts/bad-array-size-in-type-err.stderr @@ -6,6 +6,14 @@ LL | arr: [i32; N], | = note: the length of array `[i32; N]` must be type `usize` +error: the constant `N` is not of type `usize` + --> $DIR/bad-array-size-in-type-err.rs:19:32 + | +LL | pub struct Blorb<const N: u16>([String; N]); + | ^^^^^^^^^^^ expected `usize`, found `u16` + | + = note: the length of array `[String; N]` must be type `usize` + error[E0308]: mismatched types --> $DIR/bad-array-size-in-type-err.rs:7:38 | @@ -20,6 +28,37 @@ LL | let _ = BadArraySize::<2> { arr: [0, 0, 0] }; | = note: the length of array `[i32; 2]` must be type `usize` -error: aborting due to 3 previous errors +error: the constant `2` is not of type `usize` + --> $DIR/bad-array-size-in-type-err.rs:13:14 + | +LL | for _ in val.arr {} + | ^^^^^^^ expected `usize`, found `u8` + | + = note: the length of array `[i32; 2]` must be type `usize` + +error[E0277]: `[i32; 2]` is not an iterator + --> $DIR/bad-array-size-in-type-err.rs:13:14 + | +LL | for _ in val.arr {} + | ^^^^^^^ `[i32; 2]` is not an iterator; try calling `.into_iter()` or `.iter()` + | + = help: the trait `IntoIterator` is not implemented for `[i32; 2]` + = help: the following other types implement trait `IntoIterator`: + &[T; N] + &[T] + &mut [T; N] + &mut [T] + [T; N] + +error[E0493]: destructor of `Wrap` cannot be evaluated at compile-time + --> $DIR/bad-array-size-in-type-err.rs:21:16 + | +LL | pub const fn i(_: Wrap) {} + | ^ - value is dropped here + | | + | the destructor for this type cannot be evaluated in constant functions + +error: aborting due to 7 previous errors -For more information about this error, try `rustc --explain E0308`. +Some errors have detailed explanations: E0277, E0308, E0493. +For more information about an error, try `rustc --explain E0277`. diff --git a/tests/ui/consts/const-slice-array-deref.rs b/tests/ui/consts/const-slice-array-deref.rs new file mode 100644 index 00000000000..9d84ed4bdb0 --- /dev/null +++ b/tests/ui/consts/const-slice-array-deref.rs @@ -0,0 +1,9 @@ +const ONE: [u16] = [1]; +//~^ ERROR the size for values of type `[u16]` cannot be known at compilation time +//~| ERROR the size for values of type `[u16]` cannot be known at compilation time +//~| ERROR mismatched types + +const TWO: &'static u16 = &ONE[0]; +//~^ ERROR cannot move a value of type `[u16]` + +fn main() {} diff --git a/tests/ui/consts/const-slice-array-deref.stderr b/tests/ui/consts/const-slice-array-deref.stderr new file mode 100644 index 00000000000..6e69744144e --- /dev/null +++ b/tests/ui/consts/const-slice-array-deref.stderr @@ -0,0 +1,33 @@ +error[E0277]: the size for values of type `[u16]` cannot be known at compilation time + --> $DIR/const-slice-array-deref.rs:1:12 + | +LL | const ONE: [u16] = [1]; + | ^^^^^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `[u16]` + +error[E0308]: mismatched types + --> $DIR/const-slice-array-deref.rs:1:20 + | +LL | const ONE: [u16] = [1]; + | ^^^ expected `[u16]`, found `[u16; 1]` + +error[E0277]: the size for values of type `[u16]` cannot be known at compilation time + --> $DIR/const-slice-array-deref.rs:1:20 + | +LL | const ONE: [u16] = [1]; + | ^^^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `[u16]` + = note: constant expressions must have a statically known size + +error[E0161]: cannot move a value of type `[u16]` + --> $DIR/const-slice-array-deref.rs:6:28 + | +LL | const TWO: &'static u16 = &ONE[0]; + | ^^^ the size of `[u16]` cannot be statically determined + +error: aborting due to 4 previous errors + +Some errors have detailed explanations: E0161, E0277, E0308. +For more information about an error, try `rustc --explain E0161`. diff --git a/tests/ui/consts/large_const_alloc.rs b/tests/ui/consts/large_const_alloc.rs index 61a22216ae5..14edc1bb696 100644 --- a/tests/ui/consts/large_const_alloc.rs +++ b/tests/ui/consts/large_const_alloc.rs @@ -1,5 +1,7 @@ //@ only-64bit // on 32bit and 16bit platforms it is plausible that the maximum allocation size will succeed +// FIXME (#135952) In some cases on AArch64 Linux the diagnostic does not trigger +//@ ignore-aarch64-unknown-linux-gnu const FOO: () = { // 128 TiB, unlikely anyone has that much RAM diff --git a/tests/ui/consts/large_const_alloc.stderr b/tests/ui/consts/large_const_alloc.stderr index 25d660f1217..fa7d5977a95 100644 --- a/tests/ui/consts/large_const_alloc.stderr +++ b/tests/ui/consts/large_const_alloc.stderr @@ -1,11 +1,11 @@ error[E0080]: evaluation of constant value failed - --> $DIR/large_const_alloc.rs:6:13 + --> $DIR/large_const_alloc.rs:8:13 | LL | let x = [0_u8; (1 << 47) - 1]; | ^^^^^^^^^^^^^^^^^^^^^ tried to allocate more memory than available to compiler error[E0080]: could not evaluate static initializer - --> $DIR/large_const_alloc.rs:11:13 + --> $DIR/large_const_alloc.rs:13:13 | LL | let x = [0_u8; (1 << 47) - 1]; | ^^^^^^^^^^^^^^^^^^^^^ tried to allocate more memory than available to compiler diff --git a/tests/ui/consts/promoted_running_out_of_memory_issue-130687.rs b/tests/ui/consts/promoted_running_out_of_memory_issue-130687.rs index b923a768cbf..53618e2e86a 100644 --- a/tests/ui/consts/promoted_running_out_of_memory_issue-130687.rs +++ b/tests/ui/consts/promoted_running_out_of_memory_issue-130687.rs @@ -3,6 +3,8 @@ // Needs the max type size to be much bigger than the RAM people typically have. //@ only-64bit +// FIXME (#135952) In some cases on AArch64 Linux the diagnostic does not trigger +//@ ignore-aarch64-unknown-linux-gnu pub struct Data([u8; (1 << 47) - 1]); const _: &'static Data = &Data([0; (1 << 47) - 1]); diff --git a/tests/ui/consts/promoted_running_out_of_memory_issue-130687.stderr b/tests/ui/consts/promoted_running_out_of_memory_issue-130687.stderr index f5d767efceb..aac805dbd8c 100644 --- a/tests/ui/consts/promoted_running_out_of_memory_issue-130687.stderr +++ b/tests/ui/consts/promoted_running_out_of_memory_issue-130687.stderr @@ -1,5 +1,5 @@ error[E0080]: evaluation of constant value failed - --> $DIR/promoted_running_out_of_memory_issue-130687.rs:8:32 + --> $DIR/promoted_running_out_of_memory_issue-130687.rs:10:32 | LL | const _: &'static Data = &Data([0; (1 << 47) - 1]); | ^^^^^^^^^^^^^^^^^^ tried to allocate more memory than available to compiler diff --git a/tests/ui/did_you_mean/trait-object-reference-without-parens-suggestion.stderr b/tests/ui/did_you_mean/trait-object-reference-without-parens-suggestion.stderr index 7994ddf11c3..4fee6cc9a22 100644 --- a/tests/ui/did_you_mean/trait-object-reference-without-parens-suggestion.stderr +++ b/tests/ui/did_you_mean/trait-object-reference-without-parens-suggestion.stderr @@ -28,7 +28,7 @@ LL | let _: &Copy + 'static; | = note: the trait is not dyn compatible because it requires `Self: Sized` = note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> error: aborting due to 3 previous errors diff --git a/tests/ui/dyn-compatibility/almost-supertrait-associated-type.stderr b/tests/ui/dyn-compatibility/almost-supertrait-associated-type.stderr index f241333f2a7..a384697ee08 100644 --- a/tests/ui/dyn-compatibility/almost-supertrait-associated-type.stderr +++ b/tests/ui/dyn-compatibility/almost-supertrait-associated-type.stderr @@ -5,7 +5,7 @@ LL | impl<T, U> Dyn for dyn Foo<T, U> + '_ { | ^^^^^^^^^^^^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/almost-supertrait-associated-type.rs:33:34 | LL | trait Foo<T, U>: Super<ActuallySuper, Assoc = T> @@ -22,7 +22,7 @@ LL | (&PhantomData::<T> as &dyn Foo<T, U>).transmute(t) | ^^^^^^^^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/almost-supertrait-associated-type.rs:33:34 | LL | trait Foo<T, U>: Super<ActuallySuper, Assoc = T> @@ -39,7 +39,7 @@ LL | (&PhantomData::<T> as &dyn Foo<T, U>).transmute(t) | ^^^^^^^^^^^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/almost-supertrait-associated-type.rs:33:34 | LL | trait Foo<T, U>: Super<ActuallySuper, Assoc = T> diff --git a/tests/ui/dyn-compatibility/associated-consts.curr.stderr b/tests/ui/dyn-compatibility/associated-consts.curr.stderr index 45d4f795542..de243938123 100644 --- a/tests/ui/dyn-compatibility/associated-consts.curr.stderr +++ b/tests/ui/dyn-compatibility/associated-consts.curr.stderr @@ -5,7 +5,7 @@ LL | fn make_bar<T:Bar>(t: &T) -> &dyn Bar { | ^^^^^^^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/associated-consts.rs:9:11 | LL | trait Bar { @@ -21,7 +21,7 @@ LL | t | ^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/associated-consts.rs:9:11 | LL | trait Bar { diff --git a/tests/ui/dyn-compatibility/associated-consts.dyn_compatible_for_dispatch.stderr b/tests/ui/dyn-compatibility/associated-consts.dyn_compatible_for_dispatch.stderr index 4c8c82196ed..704d833f00b 100644 --- a/tests/ui/dyn-compatibility/associated-consts.dyn_compatible_for_dispatch.stderr +++ b/tests/ui/dyn-compatibility/associated-consts.dyn_compatible_for_dispatch.stderr @@ -5,7 +5,7 @@ LL | t | ^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/associated-consts.rs:9:11 | LL | trait Bar { diff --git a/tests/ui/dyn-compatibility/avoid-ice-on-warning-2.old.stderr b/tests/ui/dyn-compatibility/avoid-ice-on-warning-2.old.stderr index ff5e9fdb6b3..b811ef40c26 100644 --- a/tests/ui/dyn-compatibility/avoid-ice-on-warning-2.old.stderr +++ b/tests/ui/dyn-compatibility/avoid-ice-on-warning-2.old.stderr @@ -34,7 +34,7 @@ LL | fn id<F>(f: Copy) -> usize { | = note: the trait is not dyn compatible because it requires `Self: Sized` = note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> error[E0618]: expected function, found `(dyn Copy + 'static)` --> $DIR/avoid-ice-on-warning-2.rs:12:5 diff --git a/tests/ui/dyn-compatibility/avoid-ice-on-warning-3.old.stderr b/tests/ui/dyn-compatibility/avoid-ice-on-warning-3.old.stderr index 92a2d340115..d8935be5609 100644 --- a/tests/ui/dyn-compatibility/avoid-ice-on-warning-3.old.stderr +++ b/tests/ui/dyn-compatibility/avoid-ice-on-warning-3.old.stderr @@ -72,7 +72,7 @@ LL | trait B { fn f(a: A) -> A; } | ^ `A` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/avoid-ice-on-warning-3.rs:14:14 | LL | trait A { fn g(b: B) -> B; } @@ -109,7 +109,7 @@ LL | trait A { fn g(b: B) -> B; } | ^ `B` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/avoid-ice-on-warning-3.rs:4:14 | LL | trait B { fn f(a: A) -> A; } diff --git a/tests/ui/dyn-compatibility/bare-trait-dont-suggest-dyn.old.stderr b/tests/ui/dyn-compatibility/bare-trait-dont-suggest-dyn.old.stderr index e3ec5b9c3c8..7be6cb0d03b 100644 --- a/tests/ui/dyn-compatibility/bare-trait-dont-suggest-dyn.old.stderr +++ b/tests/ui/dyn-compatibility/bare-trait-dont-suggest-dyn.old.stderr @@ -23,7 +23,7 @@ LL | fn ord_prefer_dot(s: String) -> Ord { | ^^^ `Ord` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $SRC_DIR/core/src/cmp.rs:LL:COL | = note: the trait is not dyn compatible because it uses `Self` as a type parameter diff --git a/tests/ui/dyn-compatibility/bounds.stderr b/tests/ui/dyn-compatibility/bounds.stderr index d45e66b1d5e..5473af388c0 100644 --- a/tests/ui/dyn-compatibility/bounds.stderr +++ b/tests/ui/dyn-compatibility/bounds.stderr @@ -5,7 +5,7 @@ LL | fn f() -> Box<dyn X<U = u32>> { | ^^^^^^^^^^^^^^ `X` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/bounds.rs:4:13 | LL | trait X { diff --git a/tests/ui/dyn-compatibility/gat-incompatible-supertrait.stderr b/tests/ui/dyn-compatibility/gat-incompatible-supertrait.stderr index 04dc0b1d6f4..cfebd5d6947 100644 --- a/tests/ui/dyn-compatibility/gat-incompatible-supertrait.stderr +++ b/tests/ui/dyn-compatibility/gat-incompatible-supertrait.stderr @@ -5,7 +5,7 @@ LL | fn take_dyn(_: &dyn Child) {} | ^^^^^ `Super` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/gat-incompatible-supertrait.rs:10:10 | LL | trait Super { diff --git a/tests/ui/dyn-compatibility/generics.curr.stderr b/tests/ui/dyn-compatibility/generics.curr.stderr index 1607954ab70..d29d02b2ff3 100644 --- a/tests/ui/dyn-compatibility/generics.curr.stderr +++ b/tests/ui/dyn-compatibility/generics.curr.stderr @@ -5,7 +5,7 @@ LL | fn make_bar<T:Bar>(t: &T) -> &dyn Bar { | ^^^^^^^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/generics.rs:10:8 | LL | trait Bar { @@ -21,7 +21,7 @@ LL | fn make_bar_explicit<T:Bar>(t: &T) -> &dyn Bar { | ^^^^^^^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/generics.rs:10:8 | LL | trait Bar { @@ -37,7 +37,7 @@ LL | t | ^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/generics.rs:10:8 | LL | trait Bar { @@ -54,7 +54,7 @@ LL | t as &dyn Bar | ^^^^^^^^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/generics.rs:10:8 | LL | trait Bar { @@ -70,7 +70,7 @@ LL | t as &dyn Bar | ^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/generics.rs:10:8 | LL | trait Bar { diff --git a/tests/ui/dyn-compatibility/generics.dyn_compatible_for_dispatch.stderr b/tests/ui/dyn-compatibility/generics.dyn_compatible_for_dispatch.stderr index 7f31b29b39c..b3565a766fe 100644 --- a/tests/ui/dyn-compatibility/generics.dyn_compatible_for_dispatch.stderr +++ b/tests/ui/dyn-compatibility/generics.dyn_compatible_for_dispatch.stderr @@ -5,7 +5,7 @@ LL | t | ^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/generics.rs:10:8 | LL | trait Bar { @@ -22,7 +22,7 @@ LL | t as &dyn Bar | ^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/generics.rs:10:8 | LL | trait Bar { diff --git a/tests/ui/dyn-compatibility/mention-correct-dyn-incompatible-trait.stderr b/tests/ui/dyn-compatibility/mention-correct-dyn-incompatible-trait.stderr index 1ed78e1e659..bb3f7899bf1 100644 --- a/tests/ui/dyn-compatibility/mention-correct-dyn-incompatible-trait.stderr +++ b/tests/ui/dyn-compatibility/mention-correct-dyn-incompatible-trait.stderr @@ -5,7 +5,7 @@ LL | let test: &mut dyn Bar = &mut thing; | ^^^^^^^^^^^^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/mention-correct-dyn-incompatible-trait.rs:4:8 | LL | fn foo<T>(&self, val: T); @@ -23,7 +23,7 @@ LL | let test: &mut dyn Bar = &mut thing; | ^^^^^^^^^^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/mention-correct-dyn-incompatible-trait.rs:4:8 | LL | fn foo<T>(&self, val: T); diff --git a/tests/ui/dyn-compatibility/mentions-Self-in-super-predicates.stderr b/tests/ui/dyn-compatibility/mentions-Self-in-super-predicates.stderr index eba2c15dd74..cf3a7b23084 100644 --- a/tests/ui/dyn-compatibility/mentions-Self-in-super-predicates.stderr +++ b/tests/ui/dyn-compatibility/mentions-Self-in-super-predicates.stderr @@ -5,7 +5,7 @@ LL | elements: Vec<Box<dyn Expr + 'x>>, | ^^^^ `Expr` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/mentions-Self-in-super-predicates.rs:5:21 | LL | trait Expr: Debug + PartialEq { @@ -20,7 +20,7 @@ LL | let a: Box<dyn Expr> = Box::new(SExpr::new()); | ^^^^ `Expr` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/mentions-Self-in-super-predicates.rs:5:21 | LL | trait Expr: Debug + PartialEq { @@ -35,7 +35,7 @@ LL | let b: Box<dyn Expr> = Box::new(SExpr::new()); | ^^^^ `Expr` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/mentions-Self-in-super-predicates.rs:5:21 | LL | trait Expr: Debug + PartialEq { diff --git a/tests/ui/dyn-compatibility/mentions-Self.curr.stderr b/tests/ui/dyn-compatibility/mentions-Self.curr.stderr index 90db86ffef9..2d3fe5ce636 100644 --- a/tests/ui/dyn-compatibility/mentions-Self.curr.stderr +++ b/tests/ui/dyn-compatibility/mentions-Self.curr.stderr @@ -5,7 +5,7 @@ LL | fn make_bar<T:Bar>(t: &T) -> &dyn Bar { | ^^^^^^^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/mentions-Self.rs:11:22 | LL | trait Bar { @@ -21,7 +21,7 @@ LL | fn make_baz<T:Baz>(t: &T) -> &dyn Baz { | ^^^^^^^ `Baz` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/mentions-Self.rs:15:22 | LL | trait Baz { @@ -37,7 +37,7 @@ LL | t | ^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/mentions-Self.rs:11:22 | LL | trait Bar { @@ -54,7 +54,7 @@ LL | t | ^ `Baz` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/mentions-Self.rs:15:22 | LL | trait Baz { diff --git a/tests/ui/dyn-compatibility/mentions-Self.dyn_compatible_for_dispatch.stderr b/tests/ui/dyn-compatibility/mentions-Self.dyn_compatible_for_dispatch.stderr index 4a50d3f07e4..91c26a86025 100644 --- a/tests/ui/dyn-compatibility/mentions-Self.dyn_compatible_for_dispatch.stderr +++ b/tests/ui/dyn-compatibility/mentions-Self.dyn_compatible_for_dispatch.stderr @@ -5,7 +5,7 @@ LL | t | ^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/mentions-Self.rs:11:22 | LL | trait Bar { @@ -22,7 +22,7 @@ LL | t | ^ `Baz` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/mentions-Self.rs:15:22 | LL | trait Baz { diff --git a/tests/ui/dyn-compatibility/missing-assoc-type.stderr b/tests/ui/dyn-compatibility/missing-assoc-type.stderr index 3f550494b33..5a7560682f2 100644 --- a/tests/ui/dyn-compatibility/missing-assoc-type.stderr +++ b/tests/ui/dyn-compatibility/missing-assoc-type.stderr @@ -5,7 +5,7 @@ LL | fn bar(x: &dyn Foo) {} | ^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/missing-assoc-type.rs:2:10 | LL | trait Foo { diff --git a/tests/ui/dyn-compatibility/no-static.curr.stderr b/tests/ui/dyn-compatibility/no-static.curr.stderr index 867c485053d..bf9b48e7a43 100644 --- a/tests/ui/dyn-compatibility/no-static.curr.stderr +++ b/tests/ui/dyn-compatibility/no-static.curr.stderr @@ -5,7 +5,7 @@ LL | fn diverges() -> Box<dyn Foo> { | ^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/no-static.rs:9:8 | LL | trait Foo { @@ -29,7 +29,7 @@ LL | let b: Box<dyn Foo> = Box::new(Bar); | ^^^^^^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/no-static.rs:9:8 | LL | trait Foo { @@ -53,7 +53,7 @@ LL | let b: Box<dyn Foo> = Box::new(Bar); | ^^^^^^^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/no-static.rs:9:8 | LL | trait Foo { diff --git a/tests/ui/dyn-compatibility/no-static.dyn_compatible_for_dispatch.stderr b/tests/ui/dyn-compatibility/no-static.dyn_compatible_for_dispatch.stderr index 65608a9cca7..d5ad4510334 100644 --- a/tests/ui/dyn-compatibility/no-static.dyn_compatible_for_dispatch.stderr +++ b/tests/ui/dyn-compatibility/no-static.dyn_compatible_for_dispatch.stderr @@ -5,7 +5,7 @@ LL | let b: Box<dyn Foo> = Box::new(Bar); | ^^^^^^^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/no-static.rs:9:8 | LL | trait Foo { diff --git a/tests/ui/dyn-compatibility/sized-2.curr.stderr b/tests/ui/dyn-compatibility/sized-2.curr.stderr index c8fd1056237..2d262072d5d 100644 --- a/tests/ui/dyn-compatibility/sized-2.curr.stderr +++ b/tests/ui/dyn-compatibility/sized-2.curr.stderr @@ -5,7 +5,7 @@ LL | fn make_bar<T:Bar>(t: &T) -> &dyn Bar { | ^^^^^^^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/sized-2.rs:9:18 | LL | trait Bar @@ -20,7 +20,7 @@ LL | t | ^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/sized-2.rs:9:18 | LL | trait Bar diff --git a/tests/ui/dyn-compatibility/sized-2.dyn_compatible_for_dispatch.stderr b/tests/ui/dyn-compatibility/sized-2.dyn_compatible_for_dispatch.stderr index 477dacdf5a1..1fbc10c0c3f 100644 --- a/tests/ui/dyn-compatibility/sized-2.dyn_compatible_for_dispatch.stderr +++ b/tests/ui/dyn-compatibility/sized-2.dyn_compatible_for_dispatch.stderr @@ -5,7 +5,7 @@ LL | t | ^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/sized-2.rs:9:18 | LL | trait Bar diff --git a/tests/ui/dyn-compatibility/sized.curr.stderr b/tests/ui/dyn-compatibility/sized.curr.stderr index d86ea9197b9..a197d967005 100644 --- a/tests/ui/dyn-compatibility/sized.curr.stderr +++ b/tests/ui/dyn-compatibility/sized.curr.stderr @@ -5,7 +5,7 @@ LL | fn make_bar<T: Bar>(t: &T) -> &dyn Bar { | ^^^^^^^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/sized.rs:8:12 | LL | trait Bar: Sized { @@ -20,7 +20,7 @@ LL | t | ^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/sized.rs:8:12 | LL | trait Bar: Sized { diff --git a/tests/ui/dyn-compatibility/sized.dyn_compatible_for_dispatch.stderr b/tests/ui/dyn-compatibility/sized.dyn_compatible_for_dispatch.stderr index b763173594b..350c8992c6f 100644 --- a/tests/ui/dyn-compatibility/sized.dyn_compatible_for_dispatch.stderr +++ b/tests/ui/dyn-compatibility/sized.dyn_compatible_for_dispatch.stderr @@ -5,7 +5,7 @@ LL | t | ^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/sized.rs:8:12 | LL | trait Bar: Sized { diff --git a/tests/ui/dyn-compatibility/supertrait-mentions-GAT.stderr b/tests/ui/dyn-compatibility/supertrait-mentions-GAT.stderr index f5dea256469..8e139ee6b48 100644 --- a/tests/ui/dyn-compatibility/supertrait-mentions-GAT.stderr +++ b/tests/ui/dyn-compatibility/supertrait-mentions-GAT.stderr @@ -27,7 +27,7 @@ LL | fn c(&self) -> dyn SuperTrait<T>; | ^^^^^^^^^^^^^^^^^ `SuperTrait` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/supertrait-mentions-GAT.rs:4:10 | LL | type Gat<'a> diff --git a/tests/ui/dyn-compatibility/supertrait-mentions-Self.stderr b/tests/ui/dyn-compatibility/supertrait-mentions-Self.stderr index f9ef0c9b2e0..a763649e9c6 100644 --- a/tests/ui/dyn-compatibility/supertrait-mentions-Self.stderr +++ b/tests/ui/dyn-compatibility/supertrait-mentions-Self.stderr @@ -25,7 +25,7 @@ LL | fn make_baz<T:Baz>(t: &T) -> &dyn Baz { | ^^^ `Baz` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/supertrait-mentions-Self.rs:8:13 | LL | trait Baz : Bar<Self> { diff --git a/tests/ui/dyn-compatibility/taint-const-eval.curr.stderr b/tests/ui/dyn-compatibility/taint-const-eval.curr.stderr index 8442314835e..7e80a1d2e42 100644 --- a/tests/ui/dyn-compatibility/taint-const-eval.curr.stderr +++ b/tests/ui/dyn-compatibility/taint-const-eval.curr.stderr @@ -5,7 +5,7 @@ LL | static FOO: &(dyn Qux + Sync) = "desc"; | ^^^^^^^^^^^^^^ `Qux` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/taint-const-eval.rs:8:8 | LL | trait Qux { @@ -28,7 +28,7 @@ LL | static FOO: &(dyn Qux + Sync) = "desc"; | ^^^^^^ `Qux` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/taint-const-eval.rs:8:8 | LL | trait Qux { @@ -52,7 +52,7 @@ LL | static FOO: &(dyn Qux + Sync) = "desc"; | ^^^^^^^^^^^^^^ `Qux` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/taint-const-eval.rs:8:8 | LL | trait Qux { diff --git a/tests/ui/dyn-compatibility/taint-const-eval.dyn_compatible_for_dispatch.stderr b/tests/ui/dyn-compatibility/taint-const-eval.dyn_compatible_for_dispatch.stderr index 1c51df8501f..0bc7d0b14d3 100644 --- a/tests/ui/dyn-compatibility/taint-const-eval.dyn_compatible_for_dispatch.stderr +++ b/tests/ui/dyn-compatibility/taint-const-eval.dyn_compatible_for_dispatch.stderr @@ -5,7 +5,7 @@ LL | static FOO: &(dyn Qux + Sync) = "desc"; | ^^^^^^ `Qux` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/taint-const-eval.rs:8:8 | LL | trait Qux { diff --git a/tests/ui/dyn-compatibility/undispatchable-receiver-and-wc-references-Self.stderr b/tests/ui/dyn-compatibility/undispatchable-receiver-and-wc-references-Self.stderr index 45a924008c7..1299167159e 100644 --- a/tests/ui/dyn-compatibility/undispatchable-receiver-and-wc-references-Self.stderr +++ b/tests/ui/dyn-compatibility/undispatchable-receiver-and-wc-references-Self.stderr @@ -8,7 +8,7 @@ LL | fn fetcher() -> Box<dyn Fetcher> { | ^^^^^^^^^^^ `Fetcher` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/undispatchable-receiver-and-wc-references-Self.rs:11:22 | LL | pub trait Fetcher: Send + Sync { @@ -26,7 +26,7 @@ LL | let fetcher = fetcher(); | ^^^^^^^^^ `Fetcher` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/undispatchable-receiver-and-wc-references-Self.rs:11:22 | LL | pub trait Fetcher: Send + Sync { @@ -44,7 +44,7 @@ LL | let _ = fetcher.get(); | ^^^^^^^^^^^^^ `Fetcher` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/undispatchable-receiver-and-wc-references-Self.rs:11:22 | LL | pub trait Fetcher: Send + Sync { diff --git a/tests/ui/error-codes/E0038.stderr b/tests/ui/error-codes/E0038.stderr index 59e9f504d17..63a5249a386 100644 --- a/tests/ui/error-codes/E0038.stderr +++ b/tests/ui/error-codes/E0038.stderr @@ -5,7 +5,7 @@ LL | fn call_foo(x: Box<dyn Trait>) { | ^^^^^^^^^ `Trait` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/E0038.rs:2:22 | LL | trait Trait { @@ -21,7 +21,7 @@ LL | let y = x.foo(); | ^^^^^^^ `Trait` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/E0038.rs:2:22 | LL | trait Trait { diff --git a/tests/ui/feature-gates/feature-gate-async-fn-in-dyn-trait.stderr b/tests/ui/feature-gates/feature-gate-async-fn-in-dyn-trait.stderr index b4de6b66469..ab8c092a826 100644 --- a/tests/ui/feature-gates/feature-gate-async-fn-in-dyn-trait.stderr +++ b/tests/ui/feature-gates/feature-gate-async-fn-in-dyn-trait.stderr @@ -5,7 +5,7 @@ LL | async fn takes_dyn_trait(x: &dyn Foo) { | ^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/feature-gate-async-fn-in-dyn-trait.rs:4:14 | LL | trait Foo { @@ -21,7 +21,7 @@ LL | x.bar().await; | ^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/feature-gate-async-fn-in-dyn-trait.rs:4:14 | LL | trait Foo { @@ -37,7 +37,7 @@ LL | x.bar().await; | ^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/feature-gate-async-fn-in-dyn-trait.rs:4:14 | LL | trait Foo { diff --git a/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-missing-impl.stderr b/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-missing-impl.stderr index f8fc086c441..6634ce12118 100644 --- a/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-missing-impl.stderr +++ b/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-missing-impl.stderr @@ -8,7 +8,7 @@ LL | Ptr(Box::new(4)) as Ptr<dyn Trait>; | ^^^^^^^^^^^^^^ `Trait` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/feature-gate-dispatch-from-dyn-missing-impl.rs:25:18 | LL | trait Trait { @@ -27,7 +27,7 @@ LL | Ptr(Box::new(4)) as Ptr<dyn Trait>; | ^^^^^^^^^^^^^^^^ `Trait` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/feature-gate-dispatch-from-dyn-missing-impl.rs:25:18 | LL | trait Trait { diff --git a/tests/ui/feature-gates/feature-gate-dyn_compatible_for_dispatch.stderr b/tests/ui/feature-gates/feature-gate-dyn_compatible_for_dispatch.stderr index 10540f0219d..2c3edd6e6a5 100644 --- a/tests/ui/feature-gates/feature-gate-dyn_compatible_for_dispatch.stderr +++ b/tests/ui/feature-gates/feature-gate-dyn_compatible_for_dispatch.stderr @@ -5,7 +5,7 @@ LL | fn takes_dyn_incompatible_ref<T>(obj: &dyn DynIncompatible1) { | ^^^^^^^^^^^^^^^^^^^^ `DynIncompatible1` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/feature-gate-dyn_compatible_for_dispatch.rs:4:25 | LL | trait DynIncompatible1: Sized {} @@ -20,7 +20,7 @@ LL | fn return_dyn_incompatible_ref() -> &'static dyn DynIncompatible2 { | ^^^^^^^^^^^^^^^^^^^^ `DynIncompatible2` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/feature-gate-dyn_compatible_for_dispatch.rs:7:8 | LL | trait DynIncompatible2 { @@ -43,7 +43,7 @@ LL | fn takes_dyn_incompatible_box(obj: Box<dyn DynIncompatible3>) { | ^^^^^^^^^^^^^^^^^^^^ `DynIncompatible3` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/feature-gate-dyn_compatible_for_dispatch.rs:11:8 | LL | trait DynIncompatible3 { @@ -59,7 +59,7 @@ LL | fn return_dyn_incompatible_rc() -> std::rc::Rc<dyn DynIncompatible4> { | ^^^^^^^^^^^^^^^^^^^^ `DynIncompatible4` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/feature-gate-dyn_compatible_for_dispatch.rs:15:22 | LL | trait DynIncompatible4 { @@ -75,7 +75,7 @@ LL | impl Trait for dyn DynIncompatible1 {} | ^^^^^^^^^^^^^^^^^^^^ `DynIncompatible1` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/feature-gate-dyn_compatible_for_dispatch.rs:4:25 | LL | trait DynIncompatible1: Sized {} diff --git a/tests/ui/generic-associated-types/gat-in-trait-path-undeclared-lifetime.stderr b/tests/ui/generic-associated-types/gat-in-trait-path-undeclared-lifetime.stderr index 4c5a47e73c6..c9b46de5c33 100644 --- a/tests/ui/generic-associated-types/gat-in-trait-path-undeclared-lifetime.stderr +++ b/tests/ui/generic-associated-types/gat-in-trait-path-undeclared-lifetime.stderr @@ -43,7 +43,7 @@ LL | fn _f(arg : Box<dyn for<'a> X<Y<'x> = &'a [u32]>>) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `X` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/gat-in-trait-path-undeclared-lifetime.rs:2:8 | LL | trait X { diff --git a/tests/ui/generic-associated-types/gat-in-trait-path.stderr b/tests/ui/generic-associated-types/gat-in-trait-path.stderr index df79556c825..e57f6b48401 100644 --- a/tests/ui/generic-associated-types/gat-in-trait-path.stderr +++ b/tests/ui/generic-associated-types/gat-in-trait-path.stderr @@ -5,7 +5,7 @@ LL | fn f(_arg : Box<dyn for<'a> Foo<A<'a> = &'a ()>>) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/gat-in-trait-path.rs:6:10 | LL | trait Foo { @@ -21,7 +21,7 @@ LL | f(Box::new(foo)); | ^^^^^^^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/gat-in-trait-path.rs:6:10 | LL | trait Foo { @@ -37,7 +37,7 @@ LL | f(Box::new(foo)); | ^^^^^^^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/gat-in-trait-path.rs:6:10 | LL | trait Foo { diff --git a/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.stderr b/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.stderr index 499ce8e4a32..52fed354edf 100644 --- a/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.stderr +++ b/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.stderr @@ -130,7 +130,7 @@ LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {} | ^^^^^^^^^^^^^^^^^^^^^ `X` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/gat-trait-path-parenthesised-args.rs:2:8 | LL | trait X { @@ -196,7 +196,7 @@ LL | fn bar<'a>(arg: Box<dyn X<Y() = ()>>) {} | ^^^^^^^^^^^^^^^ `X` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/gat-trait-path-parenthesised-args.rs:2:8 | LL | trait X { diff --git a/tests/ui/generic-associated-types/issue-67510-pass.stderr b/tests/ui/generic-associated-types/issue-67510-pass.stderr index f6846f833fe..4b56c4ef35f 100644 --- a/tests/ui/generic-associated-types/issue-67510-pass.stderr +++ b/tests/ui/generic-associated-types/issue-67510-pass.stderr @@ -5,7 +5,7 @@ LL | fn _func1<'a>(_x: Box<dyn X<Y<'a>=&'a ()>>) {} | ^^^^^^^^^^^^^^^^^^^ `X` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-67510-pass.rs:4:10 | LL | trait X { diff --git a/tests/ui/generic-associated-types/issue-67510.stderr b/tests/ui/generic-associated-types/issue-67510.stderr index e8555a7aa1f..f5c494788ea 100644 --- a/tests/ui/generic-associated-types/issue-67510.stderr +++ b/tests/ui/generic-associated-types/issue-67510.stderr @@ -36,7 +36,7 @@ LL | fn f(x: Box<dyn X<Y<'a> = &'a ()>>) {} | ^^^^^^^^^^^^^^^^^^^^^ `X` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-67510.rs:2:10 | LL | trait X { diff --git a/tests/ui/generic-associated-types/issue-71176.stderr b/tests/ui/generic-associated-types/issue-71176.stderr index a78151384d4..56439f6dfea 100644 --- a/tests/ui/generic-associated-types/issue-71176.stderr +++ b/tests/ui/generic-associated-types/issue-71176.stderr @@ -55,7 +55,7 @@ LL | inner: Box<dyn Provider<A = B>>, | ^^^^^^^^^^^^^^^^^^^ `Provider` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-71176.rs:2:10 | LL | trait Provider { @@ -72,7 +72,7 @@ LL | inner: Box::new(()), | ^^^^^^^^^^^^ `Provider` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-71176.rs:2:10 | LL | trait Provider { @@ -89,7 +89,7 @@ LL | inner: Box::new(()), | ^^^^^^^^^^^^ `Provider` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-71176.rs:2:10 | LL | trait Provider { diff --git a/tests/ui/generic-associated-types/issue-76535.stderr b/tests/ui/generic-associated-types/issue-76535.stderr index 6b7c3bfe731..b828234afa1 100644 --- a/tests/ui/generic-associated-types/issue-76535.stderr +++ b/tests/ui/generic-associated-types/issue-76535.stderr @@ -21,7 +21,7 @@ LL | let sub: Box<dyn SuperTrait<SubType = SubStruct>> = Box::new(SuperStruc | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `SuperTrait` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-76535.rs:4:10 | LL | pub trait SuperTrait { @@ -39,7 +39,7 @@ LL | let sub: Box<dyn SuperTrait<SubType = SubStruct>> = Box::new(SuperStruc | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `SuperTrait` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-76535.rs:4:10 | LL | pub trait SuperTrait { diff --git a/tests/ui/generic-associated-types/issue-78671.stderr b/tests/ui/generic-associated-types/issue-78671.stderr index c85e97067cb..c6da137672d 100644 --- a/tests/ui/generic-associated-types/issue-78671.stderr +++ b/tests/ui/generic-associated-types/issue-78671.stderr @@ -21,7 +21,7 @@ LL | Box::new(Family) as &dyn CollectionFamily<Member=usize> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `CollectionFamily` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-78671.rs:2:10 | LL | trait CollectionFamily { diff --git a/tests/ui/generic-associated-types/issue-79422.stderr b/tests/ui/generic-associated-types/issue-79422.stderr index a81217e96c3..6311e4de272 100644 --- a/tests/ui/generic-associated-types/issue-79422.stderr +++ b/tests/ui/generic-associated-types/issue-79422.stderr @@ -21,7 +21,7 @@ LL | as Box<dyn MapLike<u8, u8, VRefCont = dyn RefCont<'_, u8>>>; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `MapLike` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-79422.rs:18:10 | LL | trait MapLike<K, V> { @@ -37,7 +37,7 @@ LL | let m = Box::new(std::collections::BTreeMap::<u8, u8>::new()) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `MapLike` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-79422.rs:18:10 | LL | trait MapLike<K, V> { diff --git a/tests/ui/generic-associated-types/issue-90014-tait2.rs b/tests/ui/generic-associated-types/issue-90014-tait2.rs index ef54a89aaae..3f7a9ff63c3 100644 --- a/tests/ui/generic-associated-types/issue-90014-tait2.rs +++ b/tests/ui/generic-associated-types/issue-90014-tait2.rs @@ -3,8 +3,6 @@ //! Unfortunately we don't even reach opaque type collection, as we ICE in typeck before that. //! See #109281 for the original report. //@ edition:2018 -//@ error-pattern: expected generic lifetime parameter, found `'a` - #![feature(type_alias_impl_trait)] use std::future::Future; @@ -24,6 +22,7 @@ impl<'x, T: 'x> Trait<'x> for (T,) { impl Foo<'_> { fn make_fut(&self) -> Box<dyn for<'a> Trait<'a, Thing = Fut<'a>>> { Box::new((async { () },)) + //~^ ERROR expected generic lifetime parameter, found `'a` } } diff --git a/tests/ui/generic-associated-types/issue-90014-tait2.stderr b/tests/ui/generic-associated-types/issue-90014-tait2.stderr index be6f4272ce1..aa427d42649 100644 --- a/tests/ui/generic-associated-types/issue-90014-tait2.stderr +++ b/tests/ui/generic-associated-types/issue-90014-tait2.stderr @@ -1,5 +1,5 @@ error[E0792]: expected generic lifetime parameter, found `'a` - --> $DIR/issue-90014-tait2.rs:26:9 + --> $DIR/issue-90014-tait2.rs:24:9 | LL | type Fut<'a> = impl Future<Output = ()>; | -- this generic parameter must be used with a generic lifetime parameter diff --git a/tests/ui/generic-associated-types/missing_lifetime_args.stderr b/tests/ui/generic-associated-types/missing_lifetime_args.stderr index 6b8df5cc12f..7b6888817f4 100644 --- a/tests/ui/generic-associated-types/missing_lifetime_args.stderr +++ b/tests/ui/generic-associated-types/missing_lifetime_args.stderr @@ -55,7 +55,7 @@ LL | fn foo<'c, 'd>(_arg: Box<dyn X<Y = (&'c u32, &'d u32)>>) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `X` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/missing_lifetime_args.rs:2:10 | LL | trait X { diff --git a/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.stderr b/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.stderr index 5c9e9dbe3d7..45bca1a7628 100644 --- a/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.stderr +++ b/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.stderr @@ -99,7 +99,7 @@ LL | fn f2<'a>(arg : Box<dyn X<Y<1> = &'a ()>>) {} | ^^^^^^^^^^^^^^^^^^^^ `X` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/trait-path-type-error-once-implemented.rs:2:10 | LL | trait X { diff --git a/tests/ui/generic-associated-types/trait-objects.stderr b/tests/ui/generic-associated-types/trait-objects.stderr index 56a1cb1906f..7d95718ec87 100644 --- a/tests/ui/generic-associated-types/trait-objects.stderr +++ b/tests/ui/generic-associated-types/trait-objects.stderr @@ -5,7 +5,7 @@ LL | fn min_size(x: &mut dyn for<'a> StreamingIterator<Item<'a> = &'a i32>) -> u | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `StreamingIterator` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/trait-objects.rs:2:10 | LL | trait StreamingIterator { @@ -21,7 +21,7 @@ LL | x.size_hint().0 | ^^^^^^^^^ `StreamingIterator` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/trait-objects.rs:2:10 | LL | trait StreamingIterator { @@ -37,7 +37,7 @@ LL | x.size_hint().0 | ^^^^^^^^^^^^^ `StreamingIterator` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/trait-objects.rs:2:10 | LL | trait StreamingIterator { diff --git a/tests/ui/higher-ranked/trait-bounds/span-bug-issue-121597.stderr b/tests/ui/higher-ranked/trait-bounds/span-bug-issue-121597.stderr index fc3d9c2171d..183ee678d7a 100644 --- a/tests/ui/higher-ranked/trait-bounds/span-bug-issue-121597.stderr +++ b/tests/ui/higher-ranked/trait-bounds/span-bug-issue-121597.stderr @@ -5,7 +5,7 @@ LL | let x: &dyn Foo = &(); | ^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/span-bug-issue-121597.rs:4:12 | LL | trait Foo: for<T> Bar<T> {} @@ -21,7 +21,7 @@ LL | let x: &dyn Foo = &(); | ^^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/span-bug-issue-121597.rs:4:12 | LL | trait Foo: for<T> Bar<T> {} diff --git a/tests/ui/impl-trait/dyn-incompatible-trait-in-return-position-dyn-trait.stderr b/tests/ui/impl-trait/dyn-incompatible-trait-in-return-position-dyn-trait.stderr index 4abd7bcf31c..2869702d7fc 100644 --- a/tests/ui/impl-trait/dyn-incompatible-trait-in-return-position-dyn-trait.stderr +++ b/tests/ui/impl-trait/dyn-incompatible-trait-in-return-position-dyn-trait.stderr @@ -5,7 +5,7 @@ LL | fn car() -> dyn DynIncompatible { | ^^^^^^^^^^^^^^^^^^^ `DynIncompatible` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/dyn-incompatible-trait-in-return-position-dyn-trait.rs:4:8 | LL | trait DynIncompatible { @@ -33,7 +33,7 @@ LL | fn cat() -> Box<dyn DynIncompatible> { | ^^^^^^^^^^^^^^^^^^^ `DynIncompatible` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/dyn-incompatible-trait-in-return-position-dyn-trait.rs:4:8 | LL | trait DynIncompatible { @@ -78,7 +78,7 @@ LL | return Box::new(A); | ^^^^^^^^^^^ `DynIncompatible` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/dyn-incompatible-trait-in-return-position-dyn-trait.rs:4:8 | LL | trait DynIncompatible { @@ -107,7 +107,7 @@ LL | Box::new(B) | ^^^^^^^^^^^ `DynIncompatible` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/dyn-incompatible-trait-in-return-position-dyn-trait.rs:4:8 | LL | trait DynIncompatible { diff --git a/tests/ui/impl-trait/in-trait/cycle-effective-visibilities-during-dyn-compatibility-check.stderr b/tests/ui/impl-trait/in-trait/cycle-effective-visibilities-during-dyn-compatibility-check.stderr index 44ca09150fe..61fe9432a1e 100644 --- a/tests/ui/impl-trait/in-trait/cycle-effective-visibilities-during-dyn-compatibility-check.stderr +++ b/tests/ui/impl-trait/in-trait/cycle-effective-visibilities-during-dyn-compatibility-check.stderr @@ -15,7 +15,7 @@ LL | MyTrait::foo(&self) | ^^^^^^^^^^^^ `MyTrait` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/cycle-effective-visibilities-during-dyn-compatibility-check.rs:5:22 | LL | trait MyTrait { @@ -40,7 +40,7 @@ LL | impl dyn MyTrait { | ^^^^^^^^^^^ `MyTrait` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/cycle-effective-visibilities-during-dyn-compatibility-check.rs:5:22 | LL | trait MyTrait { @@ -57,7 +57,7 @@ LL | fn other(&self) -> impl Marker { | ^^^^ `MyTrait` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/cycle-effective-visibilities-during-dyn-compatibility-check.rs:5:22 | LL | trait MyTrait { diff --git a/tests/ui/impl-trait/in-trait/dyn-compatibility.stderr b/tests/ui/impl-trait/in-trait/dyn-compatibility.stderr index 87a5480b1e3..840c27e183f 100644 --- a/tests/ui/impl-trait/in-trait/dyn-compatibility.stderr +++ b/tests/ui/impl-trait/in-trait/dyn-compatibility.stderr @@ -5,7 +5,7 @@ LL | let i = Box::new(42_u32) as Box<dyn Foo>; | ^^^^^^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/dyn-compatibility.rs:4:22 | LL | trait Foo { @@ -22,7 +22,7 @@ LL | let s = i.baz(); | ^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/dyn-compatibility.rs:4:22 | LL | trait Foo { @@ -39,7 +39,7 @@ LL | let s = i.baz(); | ^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/dyn-compatibility.rs:4:22 | LL | trait Foo { @@ -56,7 +56,7 @@ LL | let i = Box::new(42_u32) as Box<dyn Foo>; | ^^^^^^^^^^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/dyn-compatibility.rs:4:22 | LL | trait Foo { diff --git a/tests/ui/impl-trait/in-trait/foreign-dyn-error.stderr b/tests/ui/impl-trait/in-trait/foreign-dyn-error.stderr index 07d09468b04..29235ca78a5 100644 --- a/tests/ui/impl-trait/in-trait/foreign-dyn-error.stderr +++ b/tests/ui/impl-trait/in-trait/foreign-dyn-error.stderr @@ -5,7 +5,7 @@ LL | let _: &dyn rpitit::Foo = todo!(); | ^^^^^^^^^^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/auxiliary/rpitit.rs:4:21 | LL | fn bar(self) -> impl Deref<Target = impl Sized>; diff --git a/tests/ui/issues/issue-18959.stderr b/tests/ui/issues/issue-18959.stderr index 49d501c397f..c37c4177bfc 100644 --- a/tests/ui/issues/issue-18959.stderr +++ b/tests/ui/issues/issue-18959.stderr @@ -5,7 +5,7 @@ LL | fn foo(b: &dyn Bar) { | ^^^^^^^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-18959.rs:1:20 | LL | pub trait Foo { fn foo<T>(&self, ext_thing: &T); } @@ -21,7 +21,7 @@ LL | b.foo(&0) | ^^^^^^^^^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-18959.rs:1:20 | LL | pub trait Foo { fn foo<T>(&self, ext_thing: &T); } @@ -37,7 +37,7 @@ LL | let test: &dyn Bar = &mut thing; | ^^^^^^^^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-18959.rs:1:20 | LL | pub trait Foo { fn foo<T>(&self, ext_thing: &T); } @@ -53,7 +53,7 @@ LL | let test: &dyn Bar = &mut thing; | ^^^^^^^^^^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-18959.rs:1:20 | LL | pub trait Foo { fn foo<T>(&self, ext_thing: &T); } @@ -70,7 +70,7 @@ LL | foo(test); | ^^^^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-18959.rs:1:20 | LL | pub trait Foo { fn foo<T>(&self, ext_thing: &T); } diff --git a/tests/ui/issues/issue-19380.stderr b/tests/ui/issues/issue-19380.stderr index 7d4812c3693..f8509891d3a 100644 --- a/tests/ui/issues/issue-19380.stderr +++ b/tests/ui/issues/issue-19380.stderr @@ -5,7 +5,7 @@ LL | foos: &'static [&'static (dyn Qiz + 'static)] | ^^^^^^^^^^^^^^^^^ `Qiz` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-19380.rs:2:6 | LL | trait Qiz { @@ -29,7 +29,7 @@ LL | const BAR : Bar = Bar { foos: &[&FOO]}; | ^^^^ `Qiz` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-19380.rs:2:6 | LL | trait Qiz { @@ -54,7 +54,7 @@ LL | const BAR : Bar = Bar { foos: &[&FOO]}; | ^^^^^^^ `Qiz` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-19380.rs:2:6 | LL | trait Qiz { diff --git a/tests/ui/issues/issue-26056.stderr b/tests/ui/issues/issue-26056.stderr index d1cdf43351e..c2168af9496 100644 --- a/tests/ui/issues/issue-26056.stderr +++ b/tests/ui/issues/issue-26056.stderr @@ -5,7 +5,7 @@ LL | as &dyn Map<Key=u32,MapValue=u32>; | ^^^^^^^^^^^^^^^^^^^^^^^^^ `Map` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-26056.rs:9:12 | LL | trait Map: MapLookup<<Self as Map>::Key> { diff --git a/tests/ui/issues/issue-50781.stderr b/tests/ui/issues/issue-50781.stderr index 293e9839944..88b83a83e0c 100644 --- a/tests/ui/issues/issue-50781.stderr +++ b/tests/ui/issues/issue-50781.stderr @@ -5,7 +5,7 @@ LL | impl Trait for dyn X {} | ^^^^^ `X` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-50781.rs:4:8 | LL | trait X { @@ -22,7 +22,7 @@ LL | <dyn X as X>::foo(&()); | ^^^ `X` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-50781.rs:4:8 | LL | trait X { @@ -40,7 +40,7 @@ LL | <dyn X as X>::foo(&()); | ^^^^^ `X` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-50781.rs:4:8 | LL | trait X { diff --git a/tests/ui/kindck/kindck-inherited-copy-bound.curr.stderr b/tests/ui/kindck/kindck-inherited-copy-bound.curr.stderr index 83446fc9ec0..95048c4454b 100644 --- a/tests/ui/kindck/kindck-inherited-copy-bound.curr.stderr +++ b/tests/ui/kindck/kindck-inherited-copy-bound.curr.stderr @@ -26,7 +26,7 @@ LL | let z = &x as &dyn Foo; | ^^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/kindck-inherited-copy-bound.rs:10:13 | LL | trait Foo : Copy { @@ -41,7 +41,7 @@ LL | let z = &x as &dyn Foo; | ^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/kindck-inherited-copy-bound.rs:10:13 | LL | trait Foo : Copy { diff --git a/tests/ui/kindck/kindck-inherited-copy-bound.dyn_compatible_for_dispatch.stderr b/tests/ui/kindck/kindck-inherited-copy-bound.dyn_compatible_for_dispatch.stderr index 271e5afb9e7..296f011193e 100644 --- a/tests/ui/kindck/kindck-inherited-copy-bound.dyn_compatible_for_dispatch.stderr +++ b/tests/ui/kindck/kindck-inherited-copy-bound.dyn_compatible_for_dispatch.stderr @@ -26,7 +26,7 @@ LL | let z = &x as &dyn Foo; | ^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/kindck-inherited-copy-bound.rs:10:13 | LL | trait Foo : Copy { diff --git a/tests/ui/resolve/issue-3907-2.stderr b/tests/ui/resolve/issue-3907-2.stderr index 4ab72a42eb8..40cdfb7a302 100644 --- a/tests/ui/resolve/issue-3907-2.stderr +++ b/tests/ui/resolve/issue-3907-2.stderr @@ -5,7 +5,7 @@ LL | fn bar(_x: Foo) {} | ^^^ `issue_3907::Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/auxiliary/issue-3907.rs:2:8 | LL | fn bar(); diff --git a/tests/ui/self/arbitrary-self-types-dyn-incompatible.curr.stderr b/tests/ui/self/arbitrary-self-types-dyn-incompatible.curr.stderr index 3e018995ba5..8382b4867e2 100644 --- a/tests/ui/self/arbitrary-self-types-dyn-incompatible.curr.stderr +++ b/tests/ui/self/arbitrary-self-types-dyn-incompatible.curr.stderr @@ -8,7 +8,7 @@ LL | let x = Rc::new(5usize) as Rc<dyn Foo>; | ^^^^^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/arbitrary-self-types-dyn-incompatible.rs:8:18 | LL | trait Foo { @@ -27,7 +27,7 @@ LL | let x = Rc::new(5usize) as Rc<dyn Foo>; | ^^^^^^^^^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/arbitrary-self-types-dyn-incompatible.rs:8:18 | LL | trait Foo { diff --git a/tests/ui/self/arbitrary-self-types-dyn-incompatible.dyn_compatible_for_dispatch.stderr b/tests/ui/self/arbitrary-self-types-dyn-incompatible.dyn_compatible_for_dispatch.stderr index 12c93d58537..d324f4641cf 100644 --- a/tests/ui/self/arbitrary-self-types-dyn-incompatible.dyn_compatible_for_dispatch.stderr +++ b/tests/ui/self/arbitrary-self-types-dyn-incompatible.dyn_compatible_for_dispatch.stderr @@ -8,7 +8,7 @@ LL | let x = Rc::new(5usize) as Rc<dyn Foo>; | ^^^^^^^^^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/arbitrary-self-types-dyn-incompatible.rs:8:18 | LL | trait Foo { diff --git a/tests/ui/statics/unsizing-wfcheck-issue-127299.stderr b/tests/ui/statics/unsizing-wfcheck-issue-127299.stderr index 08c744979f5..28427161e87 100644 --- a/tests/ui/statics/unsizing-wfcheck-issue-127299.stderr +++ b/tests/ui/statics/unsizing-wfcheck-issue-127299.stderr @@ -5,7 +5,7 @@ LL | pub desc: &'static dyn Qux, | ^^^^^^^ `Qux` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/unsizing-wfcheck-issue-127299.rs:4:8 | LL | trait Qux { @@ -44,7 +44,7 @@ LL | static FOO: &Lint = &Lint { desc: "desc" }; | ^^^^^^ `Qux` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/unsizing-wfcheck-issue-127299.rs:4:8 | LL | trait Qux { @@ -68,7 +68,7 @@ LL | static FOO: &Lint = &Lint { desc: "desc" }; | ^^^^^^ `Qux` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/unsizing-wfcheck-issue-127299.rs:4:8 | LL | trait Qux { diff --git a/tests/ui/suggestions/dyn-incompatible-trait-references-self.stderr b/tests/ui/suggestions/dyn-incompatible-trait-references-self.stderr index cb0e7fce910..ae009d26029 100644 --- a/tests/ui/suggestions/dyn-incompatible-trait-references-self.stderr +++ b/tests/ui/suggestions/dyn-incompatible-trait-references-self.stderr @@ -5,7 +5,7 @@ LL | fn bar(x: &dyn Trait) {} | ^^^^^^^^^ `Trait` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/dyn-incompatible-trait-references-self.rs:2:22 | LL | trait Trait { @@ -25,7 +25,7 @@ LL | fn foo(x: &dyn Other) {} | ^^^^^^^^^ `Other` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/dyn-incompatible-trait-references-self.rs:11:14 | LL | trait Other: Sized {} diff --git a/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021.stderr b/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021.stderr index 2efcad1e7bd..742011ad0c0 100644 --- a/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021.stderr +++ b/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021.stderr @@ -18,7 +18,7 @@ LL | fn f(a: dyn A) -> dyn A; | ^^^^^ `A` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/dyn-incompatible-trait-should-use-self-2021.rs:3:10 | LL | trait A: Sized { @@ -46,7 +46,7 @@ LL | fn f(a: dyn B) -> dyn B; | ^^^^^ `B` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/dyn-incompatible-trait-should-use-self-2021.rs:9:8 | LL | trait B { diff --git a/tests/ui/suggestions/dyn-incompatible-trait-should-use-self.stderr b/tests/ui/suggestions/dyn-incompatible-trait-should-use-self.stderr index ecb3ee9185f..843c139851d 100644 --- a/tests/ui/suggestions/dyn-incompatible-trait-should-use-self.stderr +++ b/tests/ui/suggestions/dyn-incompatible-trait-should-use-self.stderr @@ -18,7 +18,7 @@ LL | fn f(a: A) -> A; | ^ `A` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/dyn-incompatible-trait-should-use-self.rs:2:10 | LL | trait A: Sized { @@ -46,7 +46,7 @@ LL | fn f(a: B) -> B; | ^ `B` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/dyn-incompatible-trait-should-use-self.rs:8:8 | LL | trait B { diff --git a/tests/ui/suggestions/dyn-incompatible-trait-should-use-where-sized.stderr b/tests/ui/suggestions/dyn-incompatible-trait-should-use-where-sized.stderr index 696840d3ba4..e2250807603 100644 --- a/tests/ui/suggestions/dyn-incompatible-trait-should-use-where-sized.stderr +++ b/tests/ui/suggestions/dyn-incompatible-trait-should-use-where-sized.stderr @@ -5,7 +5,7 @@ LL | fn bar(x: &dyn Trait) {} | ^^^^^^^^^ `Trait` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/dyn-incompatible-trait-should-use-where-sized.rs:5:8 | LL | trait Trait { diff --git a/tests/ui/suggestions/issue-116434-2015.stderr b/tests/ui/suggestions/issue-116434-2015.stderr index 508c3ec5e4f..e7b8cd2f101 100644 --- a/tests/ui/suggestions/issue-116434-2015.stderr +++ b/tests/ui/suggestions/issue-116434-2015.stderr @@ -47,7 +47,7 @@ LL | fn foo() -> Clone; | = note: the trait is not dyn compatible because it requires `Self: Sized` = note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> help: there is an associated type with the same name | LL | fn foo() -> Self::Clone; @@ -74,7 +74,7 @@ LL | fn handle() -> DbHandle; | ^^^^^^^^ `DbHandle` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-116434-2015.rs:14:17 | LL | trait DbHandle: Sized {} diff --git a/tests/ui/suggestions/issue-98500.stderr b/tests/ui/suggestions/issue-98500.stderr index 97b712acfcb..ec984c0d60e 100644 --- a/tests/ui/suggestions/issue-98500.stderr +++ b/tests/ui/suggestions/issue-98500.stderr @@ -5,7 +5,7 @@ LL | struct S(Box<dyn B>); | ^^^^^ `B` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/auxiliary/dyn-incompatible.rs:4:8 | LL | fn f(); diff --git a/tests/ui/traits/alias/generic-default-in-dyn.stderr b/tests/ui/traits/alias/generic-default-in-dyn.stderr index 1ab9e6d5c5c..c6f8ab4137b 100644 --- a/tests/ui/traits/alias/generic-default-in-dyn.stderr +++ b/tests/ui/traits/alias/generic-default-in-dyn.stderr @@ -15,7 +15,7 @@ LL | struct Foo<T>(dyn SendEqAlias<T>); | ^^^^^^^^^^^^^^ `SendEqAlias` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/generic-default-in-dyn.rs:1:24 | LL | trait SendEqAlias<T> = PartialEq; @@ -30,7 +30,7 @@ LL | struct Bar<T>(dyn SendEqAlias<T>, T); | ^^^^^^^^^^^^^^ `SendEqAlias` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/generic-default-in-dyn.rs:1:24 | LL | trait SendEqAlias<T> = PartialEq; diff --git a/tests/ui/traits/alias/object-fail.stderr b/tests/ui/traits/alias/object-fail.stderr index 52ce79a4597..d60d8843407 100644 --- a/tests/ui/traits/alias/object-fail.stderr +++ b/tests/ui/traits/alias/object-fail.stderr @@ -5,7 +5,7 @@ LL | let _: &dyn EqAlias = &123; | ^^^^^^^ `EqAlias` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $SRC_DIR/core/src/cmp.rs:LL:COL | = note: ...because it uses `Self` as a type parameter diff --git a/tests/ui/traits/alias/self-in-const-generics.stderr b/tests/ui/traits/alias/self-in-const-generics.stderr index 3c799492591..b5538cb6e2f 100644 --- a/tests/ui/traits/alias/self-in-const-generics.stderr +++ b/tests/ui/traits/alias/self-in-const-generics.stderr @@ -5,7 +5,7 @@ LL | fn foo(x: &dyn BB) {} | ^^ `BB` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/self-in-const-generics.rs:7:12 | LL | trait BB = Bar<{ 2 + 1 }>; diff --git a/tests/ui/traits/alias/self-in-generics.stderr b/tests/ui/traits/alias/self-in-generics.stderr index 5639b2b44a1..afe4dff45ed 100644 --- a/tests/ui/traits/alias/self-in-generics.stderr +++ b/tests/ui/traits/alias/self-in-generics.stderr @@ -5,7 +5,7 @@ LL | pub fn f(_f: &dyn SelfInput) {} | ^^^^^^^^^ `SelfInput` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/self-in-generics.rs:6:23 | LL | pub trait SelfInput = Fn(&mut Self); diff --git a/tests/ui/traits/issue-20692.stderr b/tests/ui/traits/issue-20692.stderr index 50ea7cde961..32e29de49a1 100644 --- a/tests/ui/traits/issue-20692.stderr +++ b/tests/ui/traits/issue-20692.stderr @@ -5,7 +5,7 @@ LL | &dyn Array; | ^^^^^^^^^^ `Array` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-20692.rs:1:14 | LL | trait Array: Sized + Copy {} @@ -21,7 +21,7 @@ LL | let _ = x | ^ `Array` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-20692.rs:1:14 | LL | trait Array: Sized + Copy {} diff --git a/tests/ui/traits/issue-28576.stderr b/tests/ui/traits/issue-28576.stderr index ba113d573d6..ba61ce98554 100644 --- a/tests/ui/traits/issue-28576.stderr +++ b/tests/ui/traits/issue-28576.stderr @@ -27,7 +27,7 @@ LL | | <Assoc=()> | |________________________^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-28576.rs:5:16 | LL | pub trait Bar: Foo<Assoc=()> { diff --git a/tests/ui/traits/issue-38404.stderr b/tests/ui/traits/issue-38404.stderr index f9e592255dd..63269d3379e 100644 --- a/tests/ui/traits/issue-38404.stderr +++ b/tests/ui/traits/issue-38404.stderr @@ -5,7 +5,7 @@ LL | trait C<T>: A<dyn B<T, Output = usize>> {} | ^^^^^^^^^^^^^^^^^^^^ `B` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-38404.rs:1:13 | LL | trait A<T>: std::ops::Add<Self> + Sized {} @@ -20,7 +20,7 @@ LL | trait C<T>: A<dyn B<T, Output = usize>> {} | ^^^^^^^^^^^^^^^^^^^^ `B` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-38404.rs:1:13 | LL | trait A<T>: std::ops::Add<Self> + Sized {} @@ -36,7 +36,7 @@ LL | trait C<T>: A<dyn B<T, Output = usize>> {} | ^^^^^^^^^^^^^^^^^^^^ `B` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-38404.rs:1:13 | LL | trait A<T>: std::ops::Add<Self> + Sized {} diff --git a/tests/ui/traits/issue-38604.stderr b/tests/ui/traits/issue-38604.stderr index 94f9c1540ad..e6a6b44e730 100644 --- a/tests/ui/traits/issue-38604.stderr +++ b/tests/ui/traits/issue-38604.stderr @@ -5,7 +5,7 @@ LL | let _f: Box<dyn Foo> = | ^^^^^^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-38604.rs:2:22 | LL | trait Foo where u32: Q<Self> { @@ -21,7 +21,7 @@ LL | Box::new(()); | ^^^^^^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-38604.rs:2:22 | LL | trait Foo where u32: Q<Self> { diff --git a/tests/ui/traits/issue-72410.stderr b/tests/ui/traits/issue-72410.stderr index 002345bff84..c9e133437dd 100644 --- a/tests/ui/traits/issue-72410.stderr +++ b/tests/ui/traits/issue-72410.stderr @@ -5,7 +5,7 @@ LL | where for<'a> &'a mut [dyn Bar]: ; | ^^^^^^^^^^^^^^^^^ `Bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-72410.rs:13:8 | LL | pub trait Bar { diff --git a/tests/ui/traits/item-privacy.stderr b/tests/ui/traits/item-privacy.stderr index c97158a5b76..58c558d6685 100644 --- a/tests/ui/traits/item-privacy.stderr +++ b/tests/ui/traits/item-privacy.stderr @@ -143,7 +143,7 @@ LL | <dyn C>::A; | ^^^^^ `assoc_const::C` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/item-privacy.rs:25:15 | LL | const A: u8 = 0; diff --git a/tests/ui/traits/missing-for-type-in-impl.e2015.stderr b/tests/ui/traits/missing-for-type-in-impl.e2015.stderr index 682d18842b8..c8a1329e3d0 100644 --- a/tests/ui/traits/missing-for-type-in-impl.e2015.stderr +++ b/tests/ui/traits/missing-for-type-in-impl.e2015.stderr @@ -41,7 +41,7 @@ LL | impl Foo<i64> { | ^^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/missing-for-type-in-impl.rs:4:8 | LL | trait Foo<T> { diff --git a/tests/ui/traits/non_lifetime_binders/supertrait-dyn-compatibility.stderr b/tests/ui/traits/non_lifetime_binders/supertrait-dyn-compatibility.stderr index 8448890c084..43b69d0b50e 100644 --- a/tests/ui/traits/non_lifetime_binders/supertrait-dyn-compatibility.stderr +++ b/tests/ui/traits/non_lifetime_binders/supertrait-dyn-compatibility.stderr @@ -14,7 +14,7 @@ LL | let x: &dyn Foo = &(); | ^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/supertrait-dyn-compatibility.rs:4:12 | LL | trait Foo: for<T> Bar<T> {} @@ -31,7 +31,7 @@ LL | let x: &dyn Foo = &(); | ^^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/supertrait-dyn-compatibility.rs:4:12 | LL | trait Foo: for<T> Bar<T> {} @@ -47,7 +47,7 @@ LL | needs_bar(x); | ^^^^^^^^^ `Foo` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/supertrait-dyn-compatibility.rs:4:12 | LL | trait Foo: for<T> Bar<T> {} diff --git a/tests/ui/type-alias-impl-trait/non-lifetime-binder-in-constraint.rs b/tests/ui/traits/non_lifetime_binders/type-alias-impl-trait/non-lifetime-binder-in-constraint.rs index 2a301788525..2a301788525 100644 --- a/tests/ui/type-alias-impl-trait/non-lifetime-binder-in-constraint.rs +++ b/tests/ui/traits/non_lifetime_binders/type-alias-impl-trait/non-lifetime-binder-in-constraint.rs diff --git a/tests/ui/type-alias-impl-trait/non-lifetime-binder-in-constraint.stderr b/tests/ui/traits/non_lifetime_binders/type-alias-impl-trait/non-lifetime-binder-in-constraint.stderr index 38dcdbd0af2..38dcdbd0af2 100644 --- a/tests/ui/type-alias-impl-trait/non-lifetime-binder-in-constraint.stderr +++ b/tests/ui/traits/non_lifetime_binders/type-alias-impl-trait/non-lifetime-binder-in-constraint.stderr diff --git a/tests/ui/type-alias-impl-trait/non-lifetime-binder.rs b/tests/ui/traits/non_lifetime_binders/type-alias-impl-trait/non-lifetime-binder.rs index 23f3666618b..23f3666618b 100644 --- a/tests/ui/type-alias-impl-trait/non-lifetime-binder.rs +++ b/tests/ui/traits/non_lifetime_binders/type-alias-impl-trait/non-lifetime-binder.rs diff --git a/tests/ui/type-alias-impl-trait/non-lifetime-binder.stderr b/tests/ui/traits/non_lifetime_binders/type-alias-impl-trait/non-lifetime-binder.stderr index 3c352c9889c..3c352c9889c 100644 --- a/tests/ui/type-alias-impl-trait/non-lifetime-binder.stderr +++ b/tests/ui/traits/non_lifetime_binders/type-alias-impl-trait/non-lifetime-binder.stderr diff --git a/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.stderr b/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.stderr index ae3762704c6..b4bbd65b2f4 100644 --- a/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.stderr +++ b/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.stderr @@ -20,7 +20,7 @@ LL | let b: &dyn FromResidual = &(); | ^^^ `FromResidual` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/canonicalize-fresh-infer-vars-issue-103626.rs:2:8 | LL | trait FromResidual<R = <Self as Try>::Residual> { @@ -44,7 +44,7 @@ LL | let b: &dyn FromResidual = &(); | ^^^^^^^^^^^^^^^^^ `FromResidual` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/canonicalize-fresh-infer-vars-issue-103626.rs:2:8 | LL | trait FromResidual<R = <Self as Try>::Residual> { diff --git a/tests/ui/traits/object/macro-matcher.stderr b/tests/ui/traits/object/macro-matcher.stderr index ab0fc213c9f..3c668ce99c7 100644 --- a/tests/ui/traits/object/macro-matcher.stderr +++ b/tests/ui/traits/object/macro-matcher.stderr @@ -12,7 +12,7 @@ LL | m!(dyn Copy + Send + 'static); | = note: the trait is not dyn compatible because it requires `Self: Sized` = note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> error: aborting due to 2 previous errors diff --git a/tests/ui/traits/object/print_vtable_sizes.rs b/tests/ui/traits/object/print_vtable_sizes.rs deleted file mode 100644 index 2b1745da5f3..00000000000 --- a/tests/ui/traits/object/print_vtable_sizes.rs +++ /dev/null @@ -1,62 +0,0 @@ -//@ check-pass -//@ compile-flags: -Z print-vtable-sizes -#![crate_type = "lib"] - -trait A<T: help::V>: AsRef<[T::V]> + AsMut<[T::V]> {} - -trait B<T>: AsRef<T> + AsRef<T> + AsRef<T> + AsRef<T> {} - -trait C { - fn x() {} // not dyn-compatible, shouldn't be reported -} - -// This does not have any upcasting cost, -// because both `Send` and `Sync` are traits -// with no methods -trait D: Send + Sync + help::MarkerWithSuper {} - -// This can't have no cost without reordering, -// because `Super::f`. -trait E: help::MarkerWithSuper + Send + Sync {} - -trait F { - fn a(&self); - fn b(&self); - fn c(&self); - - fn d() -> Self - where - Self: Sized; -} - -trait G: AsRef<u8> + AsRef<u16> + help::MarkerWithSuper { - fn a(&self); - fn b(&self); - fn c(&self); - fn d(&self); - fn e(&self); - - fn f() -> Self - where - Self: Sized; -} - -// Traits with the same name -const _: () = { - trait S {} -}; -const _: () = { - trait S {} -}; - -mod help { - pub trait V { - type V; - } - - pub trait MarkerWithSuper: Super {} - - pub trait Super { - fn f(&self); - } -} diff --git a/tests/ui/traits/object/print_vtable_sizes.stdout b/tests/ui/traits/object/print_vtable_sizes.stdout deleted file mode 100644 index 4daf4769576..00000000000 --- a/tests/ui/traits/object/print_vtable_sizes.stdout +++ /dev/null @@ -1,11 +0,0 @@ -print-vtable-sizes { "crate_name": "print_vtable_sizes", "trait_name": "A", "entries": "6", "entries_ignoring_upcasting": "5", "entries_for_upcasting": "1", "upcasting_cost_percent": "20" } -print-vtable-sizes { "crate_name": "print_vtable_sizes", "trait_name": "G", "entries": "13", "entries_ignoring_upcasting": "11", "entries_for_upcasting": "2", "upcasting_cost_percent": "18.181818181818183" } -print-vtable-sizes { "crate_name": "print_vtable_sizes", "trait_name": "B", "entries": "4", "entries_ignoring_upcasting": "4", "entries_for_upcasting": "0", "upcasting_cost_percent": "0" } -print-vtable-sizes { "crate_name": "print_vtable_sizes", "trait_name": "D", "entries": "4", "entries_ignoring_upcasting": "4", "entries_for_upcasting": "0", "upcasting_cost_percent": "0" } -print-vtable-sizes { "crate_name": "print_vtable_sizes", "trait_name": "E", "entries": "4", "entries_ignoring_upcasting": "4", "entries_for_upcasting": "0", "upcasting_cost_percent": "0" } -print-vtable-sizes { "crate_name": "print_vtable_sizes", "trait_name": "F", "entries": "6", "entries_ignoring_upcasting": "6", "entries_for_upcasting": "0", "upcasting_cost_percent": "0" } -print-vtable-sizes { "crate_name": "print_vtable_sizes", "trait_name": "_::S", "entries": "3", "entries_ignoring_upcasting": "3", "entries_for_upcasting": "0", "upcasting_cost_percent": "0" } -print-vtable-sizes { "crate_name": "print_vtable_sizes", "trait_name": "_::S", "entries": "3", "entries_ignoring_upcasting": "3", "entries_for_upcasting": "0", "upcasting_cost_percent": "0" } -print-vtable-sizes { "crate_name": "print_vtable_sizes", "trait_name": "help::MarkerWithSuper", "entries": "4", "entries_ignoring_upcasting": "4", "entries_for_upcasting": "0", "upcasting_cost_percent": "0" } -print-vtable-sizes { "crate_name": "print_vtable_sizes", "trait_name": "help::Super", "entries": "4", "entries_ignoring_upcasting": "4", "entries_for_upcasting": "0", "upcasting_cost_percent": "0" } -print-vtable-sizes { "crate_name": "print_vtable_sizes", "trait_name": "help::V", "entries": "3", "entries_ignoring_upcasting": "3", "entries_for_upcasting": "0", "upcasting_cost_percent": "0" } diff --git a/tests/ui/traits/object/safety.stderr b/tests/ui/traits/object/safety.stderr index eab59f39c28..593e42619f4 100644 --- a/tests/ui/traits/object/safety.stderr +++ b/tests/ui/traits/object/safety.stderr @@ -5,7 +5,7 @@ LL | let _: &dyn Tr = &St; | ^^^ `Tr` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/safety.rs:4:8 | LL | trait Tr { @@ -30,7 +30,7 @@ LL | let _: &dyn Tr = &St; | ^^^^^^^ `Tr` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/safety.rs:4:8 | LL | trait Tr { diff --git a/tests/ui/traits/sized-coniductive.rs b/tests/ui/traits/sized-coniductive.rs deleted file mode 100644 index 5f63b166f98..00000000000 --- a/tests/ui/traits/sized-coniductive.rs +++ /dev/null @@ -1,14 +0,0 @@ -//@ check-pass -// https://github.com/rust-lang/rust/issues/129541 - -#[derive(Clone)] -struct Test { - field: std::borrow::Cow<'static, [Self]>, -} - -#[derive(Clone)] -struct Hello { - a: <[Hello] as std::borrow::ToOwned>::Owned, -} - -fn main(){} diff --git a/tests/ui/traits/solver-cycles/129541-recursive-struct-and-array-impl.rs b/tests/ui/traits/solver-cycles/129541-recursive-struct-and-array-impl.rs deleted file mode 100644 index defb39aae06..00000000000 --- a/tests/ui/traits/solver-cycles/129541-recursive-struct-and-array-impl.rs +++ /dev/null @@ -1,23 +0,0 @@ -// Regression test for #129541 - -//@ check-pass - -trait Bound {} -trait Normalize { - type Assoc; -} - -impl<T: Bound> Normalize for T { - type Assoc = T; -} - -impl<T: Bound> Normalize for [T] { - type Assoc = T; -} - -impl Bound for Hello {} -struct Hello { - a: <[Hello] as Normalize>::Assoc, -} - -fn main() {} diff --git a/tests/ui/traits/solver-cycles/129541-recursive-struct.rs b/tests/ui/traits/solver-cycles/129541-recursive-struct.rs index d4339dd54d6..4fbcbefec91 100644 --- a/tests/ui/traits/solver-cycles/129541-recursive-struct.rs +++ b/tests/ui/traits/solver-cycles/129541-recursive-struct.rs @@ -1,5 +1,6 @@ // Regression test for #129541 +//@ revisions: unique multiple //@ check-pass trait Bound {} @@ -7,6 +8,10 @@ trait Normalize { type Assoc; } +#[cfg(multiple)] +impl<T: Bound> Normalize for T { + type Assoc = T; +} impl<T: Bound> Normalize for [T] { type Assoc = T; } diff --git a/tests/ui/traits/test-2.stderr b/tests/ui/traits/test-2.stderr index 8915e490b4d..6a6cb503aa4 100644 --- a/tests/ui/traits/test-2.stderr +++ b/tests/ui/traits/test-2.stderr @@ -33,7 +33,7 @@ LL | (Box::new(10) as Box<dyn bar>).dup(); | ^^^^^^^^^^^^ `bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/test-2.rs:4:30 | LL | trait bar { fn dup(&self) -> Self; fn blah<X>(&self); } @@ -56,7 +56,7 @@ LL | (Box::new(10) as Box<dyn bar>).dup(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/test-2.rs:4:30 | LL | trait bar { fn dup(&self) -> Self; fn blah<X>(&self); } @@ -79,7 +79,7 @@ LL | (Box::new(10) as Box<dyn bar>).dup(); | ^^^^^^^^^^^^ `bar` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/test-2.rs:4:30 | LL | trait bar { fn dup(&self) -> Self; fn blah<X>(&self); } diff --git a/tests/ui/traits/trait-upcasting/multiple-supertraits-modulo-binder-vtable.rs b/tests/ui/traits/trait-upcasting/multiple-supertraits-modulo-binder-vtable.rs new file mode 100644 index 00000000000..796ddec46ac --- /dev/null +++ b/tests/ui/traits/trait-upcasting/multiple-supertraits-modulo-binder-vtable.rs @@ -0,0 +1,27 @@ +#![feature(rustc_attrs)] + +// Test for <https://github.com/rust-lang/rust/issues/135316>. + +trait Supertrait<T> { + fn _print_numbers(&self, mem: &[usize; 100]) { + } +} +impl<T> Supertrait<T> for () {} + +trait Trait<T, U>: Supertrait<T> + Supertrait<U> { + fn say_hello(&self, _: &usize) { + } +} +impl<T, U> Trait<T, U> for () {} + +// We should observe compatibility between these two vtables. + +#[rustc_dump_vtable] +type First = dyn for<'a> Trait<&'static (), &'a ()>; +//~^ ERROR vtable entries + +#[rustc_dump_vtable] +type Second = dyn Trait<&'static (), &'static ()>; +//~^ ERROR vtable entries + +fn main() {} diff --git a/tests/ui/traits/trait-upcasting/multiple-supertraits-modulo-binder-vtable.stderr b/tests/ui/traits/trait-upcasting/multiple-supertraits-modulo-binder-vtable.stderr new file mode 100644 index 00000000000..24fa1650ca1 --- /dev/null +++ b/tests/ui/traits/trait-upcasting/multiple-supertraits-modulo-binder-vtable.stderr @@ -0,0 +1,26 @@ +error: vtable entries: [ + MetadataDropInPlace, + MetadataSize, + MetadataAlign, + Method(<dyn for<'a> Trait<&(), &'a ()> as Supertrait<&()>>::_print_numbers - shim(reify)), + Method(<dyn for<'a> Trait<&(), &'a ()> as Trait<&(), &()>>::say_hello - shim(reify)), + ] + --> $DIR/multiple-supertraits-modulo-binder-vtable.rs:20:1 + | +LL | type First = dyn for<'a> Trait<&'static (), &'a ()>; + | ^^^^^^^^^^ + +error: vtable entries: [ + MetadataDropInPlace, + MetadataSize, + MetadataAlign, + Method(<dyn Trait<&(), &()> as Supertrait<&()>>::_print_numbers - shim(reify)), + Method(<dyn Trait<&(), &()> as Trait<&(), &()>>::say_hello - shim(reify)), + ] + --> $DIR/multiple-supertraits-modulo-binder-vtable.rs:24:1 + | +LL | type Second = dyn Trait<&'static (), &'static ()>; + | ^^^^^^^^^^^ + +error: aborting due to 2 previous errors + diff --git a/tests/ui/traits/trait-upcasting/multiple-supertraits-modulo-binder.rs b/tests/ui/traits/trait-upcasting/multiple-supertraits-modulo-binder.rs new file mode 100644 index 00000000000..510a1471af2 --- /dev/null +++ b/tests/ui/traits/trait-upcasting/multiple-supertraits-modulo-binder.rs @@ -0,0 +1,26 @@ +//@ run-pass +//@ check-run-results + +// Test for <https://github.com/rust-lang/rust/issues/135316>. + +#![feature(trait_upcasting)] + +trait Supertrait<T> { + fn _print_numbers(&self, mem: &[usize; 100]) { + println!("{mem:?}"); + } +} +impl<T> Supertrait<T> for () {} + +trait Trait<T, U>: Supertrait<T> + Supertrait<U> { + fn say_hello(&self, _: &usize) { + println!("Hello!"); + } +} +impl<T, U> Trait<T, U> for () {} + +fn main() { + (&() as &'static dyn for<'a> Trait<&'static (), &'a ()> + as &'static dyn Trait<&'static (), &'static ()>) + .say_hello(&0); +} diff --git a/tests/ui/traits/trait-upcasting/multiple-supertraits-modulo-binder.run.stdout b/tests/ui/traits/trait-upcasting/multiple-supertraits-modulo-binder.run.stdout new file mode 100644 index 00000000000..10ddd6d257e --- /dev/null +++ b/tests/ui/traits/trait-upcasting/multiple-supertraits-modulo-binder.run.stdout @@ -0,0 +1 @@ +Hello! diff --git a/tests/ui/traits/trait-upcasting/multiple-supertraits-modulo-normalization-vtable.rs b/tests/ui/traits/trait-upcasting/multiple-supertraits-modulo-normalization-vtable.rs new file mode 100644 index 00000000000..69a71859a5c --- /dev/null +++ b/tests/ui/traits/trait-upcasting/multiple-supertraits-modulo-normalization-vtable.rs @@ -0,0 +1,37 @@ +#![feature(rustc_attrs)] +#![feature(trait_upcasting)] + +// Test for <https://github.com/rust-lang/rust/issues/135315>. + +trait Supertrait<T> { + fn _print_numbers(&self, mem: &[usize; 100]) { + println!("{mem:?}"); + } +} +impl<T> Supertrait<T> for () {} + +trait Identity { + type Selff; +} +impl<Selff> Identity for Selff { + type Selff = Selff; +} + +trait Middle<T>: Supertrait<()> + Supertrait<T> { + fn say_hello(&self, _: &usize) { + println!("Hello!"); + } +} +impl<T> Middle<T> for () {} + +trait Trait: Middle<<() as Identity>::Selff> {} + +#[rustc_dump_vtable] +impl Trait for () {} +//~^ ERROR vtable entries + +#[rustc_dump_vtable] +type Virtual = dyn Middle<()>; +//~^ ERROR vtable entries + +fn main() {} diff --git a/tests/ui/traits/trait-upcasting/multiple-supertraits-modulo-normalization-vtable.stderr b/tests/ui/traits/trait-upcasting/multiple-supertraits-modulo-normalization-vtable.stderr new file mode 100644 index 00000000000..757e2dc6939 --- /dev/null +++ b/tests/ui/traits/trait-upcasting/multiple-supertraits-modulo-normalization-vtable.stderr @@ -0,0 +1,26 @@ +error: vtable entries: [ + MetadataDropInPlace, + MetadataSize, + MetadataAlign, + Method(<() as Supertrait<()>>::_print_numbers), + Method(<() as Middle<()>>::say_hello), + ] + --> $DIR/multiple-supertraits-modulo-normalization-vtable.rs:30:1 + | +LL | impl Trait for () {} + | ^^^^^^^^^^^^^^^^^ + +error: vtable entries: [ + MetadataDropInPlace, + MetadataSize, + MetadataAlign, + Method(<dyn Middle<()> as Supertrait<()>>::_print_numbers - shim(reify)), + Method(<dyn Middle<()> as Middle<()>>::say_hello - shim(reify)), + ] + --> $DIR/multiple-supertraits-modulo-normalization-vtable.rs:34:1 + | +LL | type Virtual = dyn Middle<()>; + | ^^^^^^^^^^^^ + +error: aborting due to 2 previous errors + diff --git a/tests/ui/traits/trait-upcasting/multiple-supertraits-modulo-normalization.rs b/tests/ui/traits/trait-upcasting/multiple-supertraits-modulo-normalization.rs new file mode 100644 index 00000000000..c744e6e64f5 --- /dev/null +++ b/tests/ui/traits/trait-upcasting/multiple-supertraits-modulo-normalization.rs @@ -0,0 +1,34 @@ +//@ run-pass +//@ check-run-results + +#![feature(trait_upcasting)] + +// Test for <https://github.com/rust-lang/rust/issues/135315>. + +trait Supertrait<T> { + fn _print_numbers(&self, mem: &[usize; 100]) { + println!("{mem:?}"); + } +} +impl<T> Supertrait<T> for () {} + +trait Identity { + type Selff; +} +impl<Selff> Identity for Selff { + type Selff = Selff; +} + +trait Middle<T>: Supertrait<()> + Supertrait<T> { + fn say_hello(&self, _: &usize) { + println!("Hello!"); + } +} +impl<T> Middle<T> for () {} + +trait Trait: Middle<<() as Identity>::Selff> {} +impl Trait for () {} + +fn main() { + (&() as &dyn Trait as &dyn Middle<()>).say_hello(&0); +} diff --git a/tests/ui/traits/trait-upcasting/multiple-supertraits-modulo-normalization.run.stdout b/tests/ui/traits/trait-upcasting/multiple-supertraits-modulo-normalization.run.stdout new file mode 100644 index 00000000000..10ddd6d257e --- /dev/null +++ b/tests/ui/traits/trait-upcasting/multiple-supertraits-modulo-normalization.run.stdout @@ -0,0 +1 @@ +Hello! diff --git a/tests/ui/traits/trait-upcasting/supertraits-modulo-inner-binder.rs b/tests/ui/traits/trait-upcasting/supertraits-modulo-inner-binder.rs new file mode 100644 index 00000000000..6cd74b6c7f7 --- /dev/null +++ b/tests/ui/traits/trait-upcasting/supertraits-modulo-inner-binder.rs @@ -0,0 +1,30 @@ +//@ run-pass + +#![feature(trait_upcasting)] + +trait Super<U> { + fn call(&self) + where + U: HigherRanked, + { + } +} + +impl<T> Super<T> for () {} + +trait HigherRanked {} +impl HigherRanked for for<'a> fn(&'a ()) {} + +trait Unimplemented {} +impl<T: Unimplemented> HigherRanked for T {} + +trait Sub: Super<fn(&'static ())> + Super<for<'a> fn(&'a ())> {} +impl Sub for () {} + +fn main() { + let a: &dyn Sub = &(); + // `Super<fn(&'static ())>` and `Super<for<'a> fn(&'a ())>` have different + // vtables and we need to upcast to the latter! + let b: &dyn Super<for<'a> fn(&'a ())> = a; + b.call(); +} diff --git a/tests/ui/traits/vtable/multiple-markers.rs b/tests/ui/traits/vtable/multiple-markers.rs index 8a9e7a006cf..8eba5135582 100644 --- a/tests/ui/traits/vtable/multiple-markers.rs +++ b/tests/ui/traits/vtable/multiple-markers.rs @@ -2,8 +2,7 @@ // // This test makes sure that multiple marker (method-less) traits can reuse the // same pointer for upcasting. -// -//@ build-fail + #![crate_type = "lib"] #![feature(rustc_attrs)] @@ -17,17 +16,13 @@ trait T { fn method(&self) {} } -#[rustc_dump_vtable] -trait A: M0 + M1 + M2 + T {} //~ error: vtable entries for `<S as A>`: +trait A: M0 + M1 + M2 + T {} -#[rustc_dump_vtable] -trait B: M0 + M1 + T + M2 {} //~ error: vtable entries for `<S as B>`: +trait B: M0 + M1 + T + M2 {} -#[rustc_dump_vtable] -trait C: M0 + T + M1 + M2 {} //~ error: vtable entries for `<S as C>`: +trait C: M0 + T + M1 + M2 {} -#[rustc_dump_vtable] -trait D: T + M0 + M1 + M2 {} //~ error: vtable entries for `<S as D>`: +trait D: T + M0 + M1 + M2 {} struct S; @@ -35,13 +30,21 @@ impl M0 for S {} impl M1 for S {} impl M2 for S {} impl T for S {} + +#[rustc_dump_vtable] impl A for S {} +//~^ ERROR vtable entries + +#[rustc_dump_vtable] impl B for S {} +//~^ ERROR vtable entries + +#[rustc_dump_vtable] impl C for S {} -impl D for S {} +//~^ ERROR vtable entries -pub fn require_vtables() { - fn require_vtables(_: &dyn A, _: &dyn B, _: &dyn C, _: &dyn D) {} +#[rustc_dump_vtable] +impl D for S {} +//~^ ERROR vtable entries - require_vtables(&S, &S, &S, &S) -} +fn main() {} diff --git a/tests/ui/traits/vtable/multiple-markers.stderr b/tests/ui/traits/vtable/multiple-markers.stderr index 36ac8b24eb5..35dd3c2516d 100644 --- a/tests/ui/traits/vtable/multiple-markers.stderr +++ b/tests/ui/traits/vtable/multiple-markers.stderr @@ -1,46 +1,46 @@ -error: vtable entries for `<S as A>`: [ +error: vtable entries: [ MetadataDropInPlace, MetadataSize, MetadataAlign, Method(<S as T>::method), ] - --> $DIR/multiple-markers.rs:21:1 + --> $DIR/multiple-markers.rs:35:1 | -LL | trait A: M0 + M1 + M2 + T {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | impl A for S {} + | ^^^^^^^^^^^^ -error: vtable entries for `<S as B>`: [ +error: vtable entries: [ MetadataDropInPlace, MetadataSize, MetadataAlign, Method(<S as T>::method), ] - --> $DIR/multiple-markers.rs:24:1 + --> $DIR/multiple-markers.rs:39:1 | -LL | trait B: M0 + M1 + T + M2 {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | impl B for S {} + | ^^^^^^^^^^^^ -error: vtable entries for `<S as C>`: [ +error: vtable entries: [ MetadataDropInPlace, MetadataSize, MetadataAlign, Method(<S as T>::method), ] - --> $DIR/multiple-markers.rs:27:1 + --> $DIR/multiple-markers.rs:43:1 | -LL | trait C: M0 + T + M1 + M2 {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | impl C for S {} + | ^^^^^^^^^^^^ -error: vtable entries for `<S as D>`: [ +error: vtable entries: [ MetadataDropInPlace, MetadataSize, MetadataAlign, Method(<S as T>::method), ] - --> $DIR/multiple-markers.rs:30:1 + --> $DIR/multiple-markers.rs:47:1 | -LL | trait D: T + M0 + M1 + M2 {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | impl D for S {} + | ^^^^^^^^^^^^ error: aborting due to 4 previous errors diff --git a/tests/ui/traits/vtable/vtable-diamond.rs b/tests/ui/traits/vtable/vtable-diamond.rs index 2cfa86c526d..56053f6d026 100644 --- a/tests/ui/traits/vtable/vtable-diamond.rs +++ b/tests/ui/traits/vtable/vtable-diamond.rs @@ -1,44 +1,37 @@ -//@ build-fail #![feature(rustc_attrs)] -#[rustc_dump_vtable] trait A { fn foo_a(&self) {} } -#[rustc_dump_vtable] trait B: A { fn foo_b(&self) {} } -#[rustc_dump_vtable] trait C: A { - //~^ error vtable fn foo_c(&self) {} } -#[rustc_dump_vtable] trait D: B + C { - //~^ error vtable fn foo_d(&self) {} } struct S; +#[rustc_dump_vtable] impl A for S {} +//~^ ERROR vtable entries + +#[rustc_dump_vtable] impl B for S {} -impl C for S {} -impl D for S {} +//~^ ERROR vtable entries -fn foo(d: &dyn D) { - d.foo_d(); -} +#[rustc_dump_vtable] +impl C for S {} +//~^ ERROR vtable entries -fn bar(d: &dyn C) { - d.foo_c(); -} +#[rustc_dump_vtable] +impl D for S {} +//~^ ERROR vtable entries -fn main() { - foo(&S); - bar(&S); -} +fn main() {} diff --git a/tests/ui/traits/vtable/vtable-diamond.stderr b/tests/ui/traits/vtable/vtable-diamond.stderr index f3718c5d852..4644bf339b1 100644 --- a/tests/ui/traits/vtable/vtable-diamond.stderr +++ b/tests/ui/traits/vtable/vtable-diamond.stderr @@ -1,29 +1,52 @@ -error: vtable entries for `<S as D>`: [ +error: vtable entries: [ + MetadataDropInPlace, + MetadataSize, + MetadataAlign, + Method(<S as A>::foo_a), + ] + --> $DIR/vtable-diamond.rs:22:1 + | +LL | impl A for S {} + | ^^^^^^^^^^^^ + +error: vtable entries: [ MetadataDropInPlace, MetadataSize, MetadataAlign, Method(<S as A>::foo_a), Method(<S as B>::foo_b), + ] + --> $DIR/vtable-diamond.rs:26:1 + | +LL | impl B for S {} + | ^^^^^^^^^^^^ + +error: vtable entries: [ + MetadataDropInPlace, + MetadataSize, + MetadataAlign, + Method(<S as A>::foo_a), Method(<S as C>::foo_c), - TraitVPtr(<S as C>), - Method(<S as D>::foo_d), ] - --> $DIR/vtable-diamond.rs:21:1 + --> $DIR/vtable-diamond.rs:30:1 | -LL | trait D: B + C { - | ^^^^^^^^^^^^^^ +LL | impl C for S {} + | ^^^^^^^^^^^^ -error: vtable entries for `<S as C>`: [ +error: vtable entries: [ MetadataDropInPlace, MetadataSize, MetadataAlign, Method(<S as A>::foo_a), + Method(<S as B>::foo_b), Method(<S as C>::foo_c), + TraitVPtr(<S as C>), + Method(<S as D>::foo_d), ] - --> $DIR/vtable-diamond.rs:15:1 + --> $DIR/vtable-diamond.rs:34:1 | -LL | trait C: A { - | ^^^^^^^^^^ +LL | impl D for S {} + | ^^^^^^^^^^^^ -error: aborting due to 2 previous errors +error: aborting due to 4 previous errors diff --git a/tests/ui/traits/vtable/vtable-dyn-incompatible.rs b/tests/ui/traits/vtable/vtable-dyn-incompatible.rs index 64a8138bdcf..fb19dec4ace 100644 --- a/tests/ui/traits/vtable/vtable-dyn-incompatible.rs +++ b/tests/ui/traits/vtable/vtable-dyn-incompatible.rs @@ -1,15 +1,16 @@ -//@ build-fail #![feature(rustc_attrs)] // Ensure that dyn-incompatible methods in Iterator does not generate // vtable entries. -#[rustc_dump_vtable] trait A: Iterator {} -//~^ error vtable impl<T> A for T where T: Iterator {} +#[rustc_dump_vtable] +type Test = dyn A<Item=u8>; +//~^ error vtable + fn foo(_a: &mut dyn A<Item=u8>) { } diff --git a/tests/ui/traits/vtable/vtable-dyn-incompatible.stderr b/tests/ui/traits/vtable/vtable-dyn-incompatible.stderr index e442c3eac00..c80a763998b 100644 --- a/tests/ui/traits/vtable/vtable-dyn-incompatible.stderr +++ b/tests/ui/traits/vtable/vtable-dyn-incompatible.stderr @@ -1,16 +1,16 @@ -error: vtable entries for `<std::vec::IntoIter<u8> as A>`: [ +error: vtable entries: [ MetadataDropInPlace, MetadataSize, MetadataAlign, - Method(<std::vec::IntoIter<u8> as Iterator>::next), - Method(<std::vec::IntoIter<u8> as Iterator>::size_hint), - Method(<std::vec::IntoIter<u8> as Iterator>::advance_by), - Method(<std::vec::IntoIter<u8> as Iterator>::nth), + Method(<dyn A<Item = u8> as Iterator>::next - shim(reify)), + Method(<dyn A<Item = u8> as Iterator>::size_hint - shim(reify)), + Method(<dyn A<Item = u8> as Iterator>::advance_by - shim(reify)), + Method(<dyn A<Item = u8> as Iterator>::nth - shim(reify)), ] - --> $DIR/vtable-dyn-incompatible.rs:8:1 + --> $DIR/vtable-dyn-incompatible.rs:11:1 | -LL | trait A: Iterator {} - | ^^^^^^^^^^^^^^^^^ +LL | type Test = dyn A<Item=u8>; + | ^^^^^^^^^ error: aborting due to 1 previous error diff --git a/tests/ui/traits/vtable/vtable-multi-level.rs b/tests/ui/traits/vtable/vtable-multi-level.rs index bedbf84d303..67bac49f9f6 100644 --- a/tests/ui/traits/vtable/vtable-multi-level.rs +++ b/tests/ui/traits/vtable/vtable-multi-level.rs @@ -1,4 +1,3 @@ -//@ build-fail #![feature(rustc_attrs)] // O --> G --> C --> A @@ -10,134 +9,126 @@ // |-> M --> K // \-> L -#[rustc_dump_vtable] trait A { - //~^ error vtable fn foo_a(&self) {} } -#[rustc_dump_vtable] trait B { - //~^ error vtable fn foo_b(&self) {} } -#[rustc_dump_vtable] trait C: A + B { - //~^ error vtable fn foo_c(&self) {} } -#[rustc_dump_vtable] trait D { - //~^ error vtable fn foo_d(&self) {} } -#[rustc_dump_vtable] trait E { - //~^ error vtable fn foo_e(&self) {} } -#[rustc_dump_vtable] trait F: D + E { - //~^ error vtable fn foo_f(&self) {} } -#[rustc_dump_vtable] trait G: C + F { fn foo_g(&self) {} } -#[rustc_dump_vtable] trait H { - //~^ error vtable fn foo_h(&self) {} } -#[rustc_dump_vtable] trait I { - //~^ error vtable fn foo_i(&self) {} } -#[rustc_dump_vtable] trait J: H + I { - //~^ error vtable fn foo_j(&self) {} } -#[rustc_dump_vtable] trait K { - //~^ error vtable fn foo_k(&self) {} } -#[rustc_dump_vtable] trait L { - //~^ error vtable fn foo_l(&self) {} } -#[rustc_dump_vtable] trait M: K + L { - //~^ error vtable fn foo_m(&self) {} } -#[rustc_dump_vtable] trait N: J + M { - //~^ error vtable fn foo_n(&self) {} } -#[rustc_dump_vtable] trait O: G + N { - //~^ error vtable fn foo_o(&self) {} } struct S; +#[rustc_dump_vtable] impl A for S {} +//~^ ERROR vtable entries + +#[rustc_dump_vtable] impl B for S {} +//~^ ERROR vtable entries + +#[rustc_dump_vtable] impl C for S {} +//~^ ERROR vtable entries + +#[rustc_dump_vtable] impl D for S {} +//~^ ERROR vtable entries + +#[rustc_dump_vtable] impl E for S {} +//~^ ERROR vtable entries + +#[rustc_dump_vtable] impl F for S {} +//~^ ERROR vtable entries + +#[rustc_dump_vtable] impl G for S {} +//~^ ERROR vtable entries + +#[rustc_dump_vtable] impl H for S {} +//~^ ERROR vtable entries + +#[rustc_dump_vtable] impl I for S {} +//~^ ERROR vtable entries + +#[rustc_dump_vtable] impl J for S {} +//~^ ERROR vtable entries + +#[rustc_dump_vtable] impl K for S {} +//~^ ERROR vtable entries + +#[rustc_dump_vtable] impl L for S {} +//~^ ERROR vtable entries + +#[rustc_dump_vtable] impl M for S {} +//~^ ERROR vtable entries + +#[rustc_dump_vtable] impl N for S {} -impl O for S {} +//~^ ERROR vtable entries -macro_rules! monomorphize_vtable { - ($trait:ident) => {{ - fn foo(_ : &dyn $trait) {} - foo(&S); - }} -} +#[rustc_dump_vtable] +impl O for S {} +//~^ ERROR vtable entries -fn main() { - monomorphize_vtable!(O); - - monomorphize_vtable!(A); - monomorphize_vtable!(B); - monomorphize_vtable!(C); - monomorphize_vtable!(D); - monomorphize_vtable!(E); - monomorphize_vtable!(F); - monomorphize_vtable!(H); - monomorphize_vtable!(I); - monomorphize_vtable!(J); - monomorphize_vtable!(K); - monomorphize_vtable!(L); - monomorphize_vtable!(M); - monomorphize_vtable!(N); -} +fn main() {} diff --git a/tests/ui/traits/vtable/vtable-multi-level.stderr b/tests/ui/traits/vtable/vtable-multi-level.stderr index c4389e23fc1..961900aa3d2 100644 --- a/tests/ui/traits/vtable/vtable-multi-level.stderr +++ b/tests/ui/traits/vtable/vtable-multi-level.stderr @@ -1,134 +1,119 @@ -error: vtable entries for `<S as O>`: [ +error: vtable entries: [ MetadataDropInPlace, MetadataSize, MetadataAlign, Method(<S as A>::foo_a), - Method(<S as B>::foo_b), - TraitVPtr(<S as B>), - Method(<S as C>::foo_c), - Method(<S as D>::foo_d), - TraitVPtr(<S as D>), - Method(<S as E>::foo_e), - TraitVPtr(<S as E>), - Method(<S as F>::foo_f), - TraitVPtr(<S as F>), - Method(<S as G>::foo_g), - Method(<S as H>::foo_h), - TraitVPtr(<S as H>), - Method(<S as I>::foo_i), - TraitVPtr(<S as I>), - Method(<S as J>::foo_j), - TraitVPtr(<S as J>), - Method(<S as K>::foo_k), - TraitVPtr(<S as K>), - Method(<S as L>::foo_l), - TraitVPtr(<S as L>), - Method(<S as M>::foo_m), - TraitVPtr(<S as M>), - Method(<S as N>::foo_n), - TraitVPtr(<S as N>), - Method(<S as O>::foo_o), ] - --> $DIR/vtable-multi-level.rs:97:1 + --> $DIR/vtable-multi-level.rs:75:1 | -LL | trait O: G + N { - | ^^^^^^^^^^^^^^ +LL | impl A for S {} + | ^^^^^^^^^^^^ -error: vtable entries for `<S as A>`: [ +error: vtable entries: [ MetadataDropInPlace, MetadataSize, MetadataAlign, - Method(<S as A>::foo_a), + Method(<S as B>::foo_b), ] - --> $DIR/vtable-multi-level.rs:14:1 + --> $DIR/vtable-multi-level.rs:79:1 | -LL | trait A { - | ^^^^^^^ +LL | impl B for S {} + | ^^^^^^^^^^^^ -error: vtable entries for `<S as B>`: [ +error: vtable entries: [ MetadataDropInPlace, MetadataSize, MetadataAlign, + Method(<S as A>::foo_a), Method(<S as B>::foo_b), + TraitVPtr(<S as B>), + Method(<S as C>::foo_c), ] - --> $DIR/vtable-multi-level.rs:20:1 + --> $DIR/vtable-multi-level.rs:83:1 | -LL | trait B { - | ^^^^^^^ +LL | impl C for S {} + | ^^^^^^^^^^^^ -error: vtable entries for `<S as C>`: [ +error: vtable entries: [ MetadataDropInPlace, MetadataSize, MetadataAlign, - Method(<S as A>::foo_a), - Method(<S as B>::foo_b), - TraitVPtr(<S as B>), - Method(<S as C>::foo_c), + Method(<S as D>::foo_d), ] - --> $DIR/vtable-multi-level.rs:26:1 + --> $DIR/vtable-multi-level.rs:87:1 | -LL | trait C: A + B { - | ^^^^^^^^^^^^^^ +LL | impl D for S {} + | ^^^^^^^^^^^^ -error: vtable entries for `<S as D>`: [ +error: vtable entries: [ MetadataDropInPlace, MetadataSize, MetadataAlign, - Method(<S as D>::foo_d), + Method(<S as E>::foo_e), ] - --> $DIR/vtable-multi-level.rs:32:1 + --> $DIR/vtable-multi-level.rs:91:1 | -LL | trait D { - | ^^^^^^^ +LL | impl E for S {} + | ^^^^^^^^^^^^ -error: vtable entries for `<S as E>`: [ +error: vtable entries: [ MetadataDropInPlace, MetadataSize, MetadataAlign, + Method(<S as D>::foo_d), Method(<S as E>::foo_e), + TraitVPtr(<S as E>), + Method(<S as F>::foo_f), ] - --> $DIR/vtable-multi-level.rs:38:1 + --> $DIR/vtable-multi-level.rs:95:1 | -LL | trait E { - | ^^^^^^^ +LL | impl F for S {} + | ^^^^^^^^^^^^ -error: vtable entries for `<S as F>`: [ +error: vtable entries: [ MetadataDropInPlace, MetadataSize, MetadataAlign, + Method(<S as A>::foo_a), + Method(<S as B>::foo_b), + TraitVPtr(<S as B>), + Method(<S as C>::foo_c), Method(<S as D>::foo_d), + TraitVPtr(<S as D>), Method(<S as E>::foo_e), TraitVPtr(<S as E>), Method(<S as F>::foo_f), + TraitVPtr(<S as F>), + Method(<S as G>::foo_g), ] - --> $DIR/vtable-multi-level.rs:44:1 + --> $DIR/vtable-multi-level.rs:99:1 | -LL | trait F: D + E { - | ^^^^^^^^^^^^^^ +LL | impl G for S {} + | ^^^^^^^^^^^^ -error: vtable entries for `<S as H>`: [ +error: vtable entries: [ MetadataDropInPlace, MetadataSize, MetadataAlign, Method(<S as H>::foo_h), ] - --> $DIR/vtable-multi-level.rs:55:1 + --> $DIR/vtable-multi-level.rs:103:1 | -LL | trait H { - | ^^^^^^^ +LL | impl H for S {} + | ^^^^^^^^^^^^ -error: vtable entries for `<S as I>`: [ +error: vtable entries: [ MetadataDropInPlace, MetadataSize, MetadataAlign, Method(<S as I>::foo_i), ] - --> $DIR/vtable-multi-level.rs:61:1 + --> $DIR/vtable-multi-level.rs:107:1 | -LL | trait I { - | ^^^^^^^ +LL | impl I for S {} + | ^^^^^^^^^^^^ -error: vtable entries for `<S as J>`: [ +error: vtable entries: [ MetadataDropInPlace, MetadataSize, MetadataAlign, @@ -137,34 +122,34 @@ error: vtable entries for `<S as J>`: [ TraitVPtr(<S as I>), Method(<S as J>::foo_j), ] - --> $DIR/vtable-multi-level.rs:67:1 + --> $DIR/vtable-multi-level.rs:111:1 | -LL | trait J: H + I { - | ^^^^^^^^^^^^^^ +LL | impl J for S {} + | ^^^^^^^^^^^^ -error: vtable entries for `<S as K>`: [ +error: vtable entries: [ MetadataDropInPlace, MetadataSize, MetadataAlign, Method(<S as K>::foo_k), ] - --> $DIR/vtable-multi-level.rs:73:1 + --> $DIR/vtable-multi-level.rs:115:1 | -LL | trait K { - | ^^^^^^^ +LL | impl K for S {} + | ^^^^^^^^^^^^ -error: vtable entries for `<S as L>`: [ +error: vtable entries: [ MetadataDropInPlace, MetadataSize, MetadataAlign, Method(<S as L>::foo_l), ] - --> $DIR/vtable-multi-level.rs:79:1 + --> $DIR/vtable-multi-level.rs:119:1 | -LL | trait L { - | ^^^^^^^ +LL | impl L for S {} + | ^^^^^^^^^^^^ -error: vtable entries for `<S as M>`: [ +error: vtable entries: [ MetadataDropInPlace, MetadataSize, MetadataAlign, @@ -173,12 +158,12 @@ error: vtable entries for `<S as M>`: [ TraitVPtr(<S as L>), Method(<S as M>::foo_m), ] - --> $DIR/vtable-multi-level.rs:85:1 + --> $DIR/vtable-multi-level.rs:123:1 | -LL | trait M: K + L { - | ^^^^^^^^^^^^^^ +LL | impl M for S {} + | ^^^^^^^^^^^^ -error: vtable entries for `<S as N>`: [ +error: vtable entries: [ MetadataDropInPlace, MetadataSize, MetadataAlign, @@ -194,10 +179,46 @@ error: vtable entries for `<S as N>`: [ TraitVPtr(<S as M>), Method(<S as N>::foo_n), ] - --> $DIR/vtable-multi-level.rs:91:1 + --> $DIR/vtable-multi-level.rs:127:1 + | +LL | impl N for S {} + | ^^^^^^^^^^^^ + +error: vtable entries: [ + MetadataDropInPlace, + MetadataSize, + MetadataAlign, + Method(<S as A>::foo_a), + Method(<S as B>::foo_b), + TraitVPtr(<S as B>), + Method(<S as C>::foo_c), + Method(<S as D>::foo_d), + TraitVPtr(<S as D>), + Method(<S as E>::foo_e), + TraitVPtr(<S as E>), + Method(<S as F>::foo_f), + TraitVPtr(<S as F>), + Method(<S as G>::foo_g), + Method(<S as H>::foo_h), + TraitVPtr(<S as H>), + Method(<S as I>::foo_i), + TraitVPtr(<S as I>), + Method(<S as J>::foo_j), + TraitVPtr(<S as J>), + Method(<S as K>::foo_k), + TraitVPtr(<S as K>), + Method(<S as L>::foo_l), + TraitVPtr(<S as L>), + Method(<S as M>::foo_m), + TraitVPtr(<S as M>), + Method(<S as N>::foo_n), + TraitVPtr(<S as N>), + Method(<S as O>::foo_o), + ] + --> $DIR/vtable-multi-level.rs:131:1 | -LL | trait N: J + M { - | ^^^^^^^^^^^^^^ +LL | impl O for S {} + | ^^^^^^^^^^^^ -error: aborting due to 14 previous errors +error: aborting due to 15 previous errors diff --git a/tests/ui/traits/vtable/vtable-multiple.rs b/tests/ui/traits/vtable/vtable-multiple.rs index beaaf4db6b1..51e20ee20c9 100644 --- a/tests/ui/traits/vtable/vtable-multiple.rs +++ b/tests/ui/traits/vtable/vtable-multiple.rs @@ -1,33 +1,29 @@ -//@ build-fail #![feature(rustc_attrs)] -#[rustc_dump_vtable] trait A { fn foo_a(&self) {} } -#[rustc_dump_vtable] trait B { - //~^ error vtable fn foo_b(&self) {} } -#[rustc_dump_vtable] trait C: A + B { - //~^ error vtable fn foo_c(&self) {} } struct S; +#[rustc_dump_vtable] impl A for S {} +//~^ error vtable + +#[rustc_dump_vtable] impl B for S {} -impl C for S {} +//~^ error vtable -fn foo(c: &dyn C) {} -fn bar(c: &dyn B) {} +#[rustc_dump_vtable] +impl C for S {} +//~^ error vtable -fn main() { - foo(&S); - bar(&S); -} +fn main() {} diff --git a/tests/ui/traits/vtable/vtable-multiple.stderr b/tests/ui/traits/vtable/vtable-multiple.stderr index 0dcd8443309..bae44148baa 100644 --- a/tests/ui/traits/vtable/vtable-multiple.stderr +++ b/tests/ui/traits/vtable/vtable-multiple.stderr @@ -1,27 +1,38 @@ -error: vtable entries for `<S as C>`: [ +error: vtable entries: [ MetadataDropInPlace, MetadataSize, MetadataAlign, Method(<S as A>::foo_a), + ] + --> $DIR/vtable-multiple.rs:18:1 + | +LL | impl A for S {} + | ^^^^^^^^^^^^ + +error: vtable entries: [ + MetadataDropInPlace, + MetadataSize, + MetadataAlign, Method(<S as B>::foo_b), - TraitVPtr(<S as B>), - Method(<S as C>::foo_c), ] - --> $DIR/vtable-multiple.rs:16:1 + --> $DIR/vtable-multiple.rs:22:1 | -LL | trait C: A + B { - | ^^^^^^^^^^^^^^ +LL | impl B for S {} + | ^^^^^^^^^^^^ -error: vtable entries for `<S as B>`: [ +error: vtable entries: [ MetadataDropInPlace, MetadataSize, MetadataAlign, + Method(<S as A>::foo_a), Method(<S as B>::foo_b), + TraitVPtr(<S as B>), + Method(<S as C>::foo_c), ] - --> $DIR/vtable-multiple.rs:10:1 + --> $DIR/vtable-multiple.rs:26:1 | -LL | trait B { - | ^^^^^^^ +LL | impl C for S {} + | ^^^^^^^^^^^^ -error: aborting due to 2 previous errors +error: aborting due to 3 previous errors diff --git a/tests/ui/traits/vtable/vtable-vacant.rs b/tests/ui/traits/vtable/vtable-vacant.rs index b3c76815703..b023565c56e 100644 --- a/tests/ui/traits/vtable/vtable-vacant.rs +++ b/tests/ui/traits/vtable/vtable-vacant.rs @@ -1,18 +1,14 @@ -//@ build-fail #![feature(rustc_attrs)] #![feature(negative_impls)] // B --> A -#[rustc_dump_vtable] trait A { fn foo_a1(&self) {} fn foo_a2(&self) where Self: Send {} } -#[rustc_dump_vtable] trait B: A { - //~^ error vtable fn foo_b1(&self) {} fn foo_b2(&self) where Self: Send {} } @@ -20,11 +16,12 @@ trait B: A { struct S; impl !Send for S {} +#[rustc_dump_vtable] impl A for S {} -impl B for S {} +//~^ error vtable -fn foo(_: &dyn B) {} +#[rustc_dump_vtable] +impl B for S {} +//~^ error vtable -fn main() { - foo(&S); -} +fn main() {} diff --git a/tests/ui/traits/vtable/vtable-vacant.stderr b/tests/ui/traits/vtable/vtable-vacant.stderr index f6961ca010e..ed8466f7f2e 100644 --- a/tests/ui/traits/vtable/vtable-vacant.stderr +++ b/tests/ui/traits/vtable/vtable-vacant.stderr @@ -1,4 +1,16 @@ -error: vtable entries for `<S as B>`: [ +error: vtable entries: [ + MetadataDropInPlace, + MetadataSize, + MetadataAlign, + Method(<S as A>::foo_a1), + Vacant, + ] + --> $DIR/vtable-vacant.rs:20:1 + | +LL | impl A for S {} + | ^^^^^^^^^^^^ + +error: vtable entries: [ MetadataDropInPlace, MetadataSize, MetadataAlign, @@ -7,10 +19,10 @@ error: vtable entries for `<S as B>`: [ Method(<S as B>::foo_b1), Vacant, ] - --> $DIR/vtable-vacant.rs:14:1 + --> $DIR/vtable-vacant.rs:24:1 | -LL | trait B: A { - | ^^^^^^^^^^ +LL | impl B for S {} + | ^^^^^^^^^^^^ -error: aborting due to 1 previous error +error: aborting due to 2 previous errors diff --git a/tests/ui/type/type-parameter-defaults-referencing-Self-ppaux.stderr b/tests/ui/type/type-parameter-defaults-referencing-Self-ppaux.stderr index 71717c6945e..eea2e75a238 100644 --- a/tests/ui/type/type-parameter-defaults-referencing-Self-ppaux.stderr +++ b/tests/ui/type/type-parameter-defaults-referencing-Self-ppaux.stderr @@ -17,7 +17,7 @@ LL | let y = x as dyn MyAdd<i32>; | ^^^^^^^^^^^^^^ `MyAdd` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/type-parameter-defaults-referencing-Self-ppaux.rs:6:55 | LL | trait MyAdd<Rhs=Self> { fn add(&self, other: &Rhs) -> Self; } diff --git a/tests/ui/wf/issue-87495.stderr b/tests/ui/wf/issue-87495.stderr index 7be327e61d1..0c293e3576d 100644 --- a/tests/ui/wf/issue-87495.stderr +++ b/tests/ui/wf/issue-87495.stderr @@ -5,7 +5,7 @@ LL | const CONST: (bool, dyn T); | ^^^^^ `T` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/issue-87495.rs:4:11 | LL | trait T { diff --git a/tests/ui/wf/wf-convert-dyn-incompat-trait-obj-box.stderr b/tests/ui/wf/wf-convert-dyn-incompat-trait-obj-box.stderr index 0b7f4cd4362..f3e4f2a63e9 100644 --- a/tests/ui/wf/wf-convert-dyn-incompat-trait-obj-box.stderr +++ b/tests/ui/wf/wf-convert-dyn-incompat-trait-obj-box.stderr @@ -5,7 +5,7 @@ LL | let t_box: Box<dyn Trait> = Box::new(S); | ^^^^^^^^^^^ `Trait` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/wf-convert-dyn-incompat-trait-obj-box.rs:6:14 | LL | trait Trait: Sized {} @@ -22,7 +22,7 @@ LL | takes_box(Box::new(S)); | ^^^^^^^^^^^ `Trait` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/wf-convert-dyn-incompat-trait-obj-box.rs:6:14 | LL | trait Trait: Sized {} @@ -39,7 +39,7 @@ LL | Box::new(S) as Box<dyn Trait>; | ^^^^^^^^^^^ `Trait` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/wf-convert-dyn-incompat-trait-obj-box.rs:6:14 | LL | trait Trait: Sized {} diff --git a/tests/ui/wf/wf-convert-dyn-incompat-trait-obj.stderr b/tests/ui/wf/wf-convert-dyn-incompat-trait-obj.stderr index 3f50e1192cf..716d0e78ff1 100644 --- a/tests/ui/wf/wf-convert-dyn-incompat-trait-obj.stderr +++ b/tests/ui/wf/wf-convert-dyn-incompat-trait-obj.stderr @@ -5,7 +5,7 @@ LL | let t: &dyn Trait = &S; | ^^ `Trait` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/wf-convert-dyn-incompat-trait-obj.rs:6:14 | LL | trait Trait: Sized {} @@ -22,7 +22,7 @@ LL | takes_trait(&S); | ^^ `Trait` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/wf-convert-dyn-incompat-trait-obj.rs:6:14 | LL | trait Trait: Sized {} @@ -39,7 +39,7 @@ LL | &S as &dyn Trait; | ^^ `Trait` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/wf-convert-dyn-incompat-trait-obj.rs:6:14 | LL | trait Trait: Sized {} diff --git a/tests/ui/wf/wf-dyn-incompat-trait-obj-match.stderr b/tests/ui/wf/wf-dyn-incompat-trait-obj-match.stderr index 8f68f9c5b6b..a7405ce4caa 100644 --- a/tests/ui/wf/wf-dyn-incompat-trait-obj-match.stderr +++ b/tests/ui/wf/wf-dyn-incompat-trait-obj-match.stderr @@ -19,7 +19,7 @@ LL | Some(()) => &S, | ^^ `Trait` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/wf-dyn-incompat-trait-obj-match.rs:6:14 | LL | trait Trait: Sized {} @@ -40,7 +40,7 @@ LL | None => &R, | ^^ `Trait` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/wf-dyn-incompat-trait-obj-match.rs:6:14 | LL | trait Trait: Sized {} diff --git a/tests/ui/wf/wf-dyn-incompatible.stderr b/tests/ui/wf/wf-dyn-incompatible.stderr index 1803376aaa1..e61b37d9293 100644 --- a/tests/ui/wf/wf-dyn-incompatible.stderr +++ b/tests/ui/wf/wf-dyn-incompatible.stderr @@ -5,7 +5,7 @@ LL | let _x: &dyn A; | ^^^^^^ `A` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> --> $DIR/wf-dyn-incompatible.rs:5:23 | LL | trait A { diff --git a/tests/ui/wf/wf-fn-where-clause.stderr b/tests/ui/wf/wf-fn-where-clause.stderr index d73376e9861..b419bc8347f 100644 --- a/tests/ui/wf/wf-fn-where-clause.stderr +++ b/tests/ui/wf/wf-fn-where-clause.stderr @@ -22,7 +22,7 @@ LL | fn bar() where Vec<dyn Copy>:, {} | = note: the trait is not dyn compatible because it requires `Self: Sized` = note: for a trait to be dyn compatible it needs to allow building a vtable - for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> error[E0277]: the size for values of type `(dyn Copy + 'static)` cannot be known at compilation time --> $DIR/wf-fn-where-clause.rs:12:16 diff --git a/tests/ui/wf/wf-trait-default-fn-ret.rs b/tests/ui/wf/wf-trait-default-fn-ret.rs index 2103dae8d23..a7f83dcf678 100644 --- a/tests/ui/wf/wf-trait-default-fn-ret.rs +++ b/tests/ui/wf/wf-trait-default-fn-ret.rs @@ -1,5 +1,4 @@ -// Check that we test WF conditions for fn arguments. Because the -// current code is so goofy, this is only a warning for now. +// Check that we test WF conditions for fn arguments. #![feature(rustc_attrs)] #![allow(dead_code)] diff --git a/tests/ui/wf/wf-trait-default-fn-ret.stderr b/tests/ui/wf/wf-trait-default-fn-ret.stderr index f749ac7b1b3..f0d1b55edc4 100644 --- a/tests/ui/wf/wf-trait-default-fn-ret.stderr +++ b/tests/ui/wf/wf-trait-default-fn-ret.stderr @@ -1,11 +1,11 @@ error[E0277]: the trait bound `Self: Eq` is not satisfied - --> $DIR/wf-trait-default-fn-ret.rs:11:22 + --> $DIR/wf-trait-default-fn-ret.rs:10:22 | LL | fn bar(&self) -> Bar<Self> { | ^^^^^^^^^ the trait `Eq` is not implemented for `Self` | note: required by a bound in `Bar` - --> $DIR/wf-trait-default-fn-ret.rs:8:14 + --> $DIR/wf-trait-default-fn-ret.rs:7:14 | LL | struct Bar<T:Eq+?Sized> { value: Box<T> } | ^^ required by this bound in `Bar` |