diff options
68 files changed, 351 insertions, 325 deletions
diff --git a/compiler/rustc_codegen_gcc/src/back/write.rs b/compiler/rustc_codegen_gcc/src/back/write.rs index 113abe70805..c1231142c65 100644 --- a/compiler/rustc_codegen_gcc/src/back/write.rs +++ b/compiler/rustc_codegen_gcc/src/back/write.rs @@ -4,7 +4,6 @@ use gccjit::{Context, OutputKind}; use rustc_codegen_ssa::back::link::ensure_removed; use rustc_codegen_ssa::back::write::{BitcodeSection, CodegenContext, EmitObj, ModuleConfig}; use rustc_codegen_ssa::{CompiledModule, ModuleCodegen}; -use rustc_errors::DiagCtxtHandle; use rustc_fs_util::link_or_copy; use rustc_session::config::OutputType; use rustc_span::fatal_error::FatalError; @@ -258,14 +257,6 @@ pub(crate) fn codegen( )) } -pub(crate) fn link( - _cgcx: &CodegenContext<GccCodegenBackend>, - _dcx: DiagCtxtHandle<'_>, - mut _modules: Vec<ModuleCodegen<GccContext>>, -) -> Result<ModuleCodegen<GccContext>, FatalError> { - unimplemented!(); -} - pub(crate) fn save_temp_bitcode( cgcx: &CodegenContext<GccCodegenBackend>, _module: &ModuleCodegen<GccContext>, diff --git a/compiler/rustc_codegen_gcc/src/lib.rs b/compiler/rustc_codegen_gcc/src/lib.rs index 71765c51138..a3120682500 100644 --- a/compiler/rustc_codegen_gcc/src/lib.rs +++ b/compiler/rustc_codegen_gcc/src/lib.rs @@ -426,14 +426,6 @@ impl WriteBackendMethods for GccCodegenBackend { fn serialize_module(_module: ModuleCodegen<Self::Module>) -> (String, Self::ModuleBuffer) { unimplemented!(); } - - fn run_link( - cgcx: &CodegenContext<Self>, - dcx: DiagCtxtHandle<'_>, - modules: Vec<ModuleCodegen<Self::Module>>, - ) -> Result<ModuleCodegen<Self::Module>, FatalError> { - back::write::link(cgcx, dcx, modules) - } } /// This is the entrypoint for a hot plugged rustc_codegen_gccjit diff --git a/compiler/rustc_codegen_llvm/messages.ftl b/compiler/rustc_codegen_llvm/messages.ftl index 3d5f17a6034..ce9a51b539d 100644 --- a/compiler/rustc_codegen_llvm/messages.ftl +++ b/compiler/rustc_codegen_llvm/messages.ftl @@ -12,7 +12,7 @@ codegen_llvm_from_llvm_optimization_diag = {$filename}:{$line}:{$column} {$pass_ codegen_llvm_load_bitcode = failed to load bitcode of module "{$name}" codegen_llvm_load_bitcode_with_llvm_err = failed to load bitcode of module "{$name}": {$llvm_err} -codegen_llvm_lto_bitcode_from_rlib = failed to get bitcode from object file for LTO ({$llvm_err}) +codegen_llvm_lto_bitcode_from_rlib = failed to get bitcode from object file for LTO ({$err}) codegen_llvm_mismatch_data_layout = data-layout for target `{$rustc_target}`, `{$rustc_layout}`, differs from LLVM target's `{$llvm_target}` default layout, `{$llvm_layout}` diff --git a/compiler/rustc_codegen_llvm/src/back/lto.rs b/compiler/rustc_codegen_llvm/src/back/lto.rs index 657513991ac..c269f11e931 100644 --- a/compiler/rustc_codegen_llvm/src/back/lto.rs +++ b/compiler/rustc_codegen_llvm/src/back/lto.rs @@ -7,6 +7,7 @@ use std::sync::Arc; use std::{io, iter, slice}; use object::read::archive::ArchiveFile; +use object::{Object, ObjectSection}; use rustc_codegen_ssa::back::lto::{SerializedModule, ThinModule, ThinShared}; use rustc_codegen_ssa::back::write::{CodegenContext, FatLtoInput}; use rustc_codegen_ssa::traits::*; @@ -105,31 +106,15 @@ fn get_bitcode_slice_from_object_data<'a>( // name" which in the public API for sections gets treated as part of the section name, but // internally in MachOObjectFile.cpp gets treated separately. let section_name = bitcode_section_name(cgcx).to_str().unwrap().trim_start_matches("__LLVM,"); - let mut len = 0; - let data = unsafe { - llvm::LLVMRustGetSliceFromObjectDataByName( - obj.as_ptr(), - obj.len(), - section_name.as_ptr(), - section_name.len(), - &mut len, - ) - }; - if !data.is_null() { - assert!(len != 0); - let bc = unsafe { slice::from_raw_parts(data, len) }; - // `bc` must be a sub-slice of `obj`. - assert!(obj.as_ptr() <= bc.as_ptr()); - assert!(bc[bc.len()..bc.len()].as_ptr() <= obj[obj.len()..obj.len()].as_ptr()); + let obj = + object::File::parse(obj).map_err(|err| LtoBitcodeFromRlib { err: err.to_string() })?; - Ok(bc) - } else { - assert!(len == 0); - Err(LtoBitcodeFromRlib { - llvm_err: llvm::last_error().unwrap_or_else(|| "unknown LLVM error".to_string()), - }) - } + let section = obj + .section_by_name(section_name) + .ok_or_else(|| LtoBitcodeFromRlib { err: format!("Can't find section {section_name}") })?; + + section.data().map_err(|err| LtoBitcodeFromRlib { err: err.to_string() }) } /// Performs fat LTO by merging all modules into a single one and returning it diff --git a/compiler/rustc_codegen_llvm/src/back/write.rs b/compiler/rustc_codegen_llvm/src/back/write.rs index 6f8fba2a30d..85a06f457eb 100644 --- a/compiler/rustc_codegen_llvm/src/back/write.rs +++ b/compiler/rustc_codegen_llvm/src/back/write.rs @@ -796,29 +796,6 @@ pub(crate) fn optimize( Ok(()) } -pub(crate) fn link( - cgcx: &CodegenContext<LlvmCodegenBackend>, - dcx: DiagCtxtHandle<'_>, - mut modules: Vec<ModuleCodegen<ModuleLlvm>>, -) -> Result<ModuleCodegen<ModuleLlvm>, FatalError> { - use super::lto::{Linker, ModuleBuffer}; - // Sort the modules by name to ensure deterministic behavior. - modules.sort_by(|a, b| a.name.cmp(&b.name)); - let (first, elements) = - modules.split_first().expect("Bug! modules must contain at least one module."); - - let mut linker = Linker::new(first.module_llvm.llmod()); - for module in elements { - let _timer = cgcx.prof.generic_activity_with_arg("LLVM_link_module", &*module.name); - let buffer = ModuleBuffer::new(module.module_llvm.llmod()); - linker - .add(buffer.data()) - .map_err(|()| llvm_err(dcx, LlvmError::SerializeModule { name: &module.name }))?; - } - drop(linker); - Ok(modules.remove(0)) -} - pub(crate) fn codegen( cgcx: &CodegenContext<LlvmCodegenBackend>, module: ModuleCodegen<ModuleLlvm>, diff --git a/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs b/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs index a9be833a643..8c9dfcfd18c 100644 --- a/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs +++ b/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs @@ -46,21 +46,17 @@ pub(crate) fn finalize(cx: &mut CodegenCx<'_, '_>) { debug!("Generating coverage map for CodegenUnit: `{}`", cx.codegen_unit.name()); // FIXME(#132395): Can this be none even when coverage is enabled? - let instances_used = match cx.coverage_cx { - Some(ref cx) => cx.instances_used.borrow(), - None => return, - }; + let Some(ref coverage_cx) = cx.coverage_cx else { return }; - let mut covfun_records = instances_used - .iter() - .copied() + let mut covfun_records = coverage_cx + .instances_used() + .into_iter() // Sort by symbol name, so that the global file table is built in an // order that doesn't depend on the stable-hash-based order in which // instances were visited during codegen. .sorted_by_cached_key(|&instance| tcx.symbol_name(instance).name) .filter_map(|instance| prepare_covfun_record(tcx, instance, true)) .collect::<Vec<_>>(); - drop(instances_used); // In a single designated CGU, also prepare covfun records for functions // in this crate that were instrumented for coverage, but are unused. diff --git a/compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs b/compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs index eefbd7cf6c4..119237abd6b 100644 --- a/compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs +++ b/compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs @@ -5,7 +5,7 @@ use rustc_abi::Size; use rustc_codegen_ssa::traits::{ BuilderMethods, ConstCodegenMethods, CoverageInfoBuilderMethods, MiscCodegenMethods, }; -use rustc_data_structures::fx::{FxHashMap, FxIndexSet}; +use rustc_data_structures::fx::{FxHashMap, FxIndexMap}; use rustc_middle::mir::coverage::CoverageKind; use rustc_middle::ty::Instance; use tracing::{debug, instrument}; @@ -20,9 +20,14 @@ mod mapgen; /// Extra per-CGU context/state needed for coverage instrumentation. pub(crate) struct CguCoverageContext<'ll, 'tcx> { - /// Coverage data for each instrumented function identified by DefId. - pub(crate) instances_used: RefCell<FxIndexSet<Instance<'tcx>>>, - pub(crate) pgo_func_name_var_map: RefCell<FxHashMap<Instance<'tcx>, &'ll llvm::Value>>, + /// Associates function instances with an LLVM global that holds the + /// function's symbol name, as needed by LLVM coverage intrinsics. + /// + /// Instances in this map are also considered "used" for the purposes of + /// emitting covfun records. Every covfun record holds a hash of its + /// symbol name, and `llvm-cov` will exit fatally if it can't resolve that + /// hash back to an entry in the binary's `__llvm_prf_names` linker section. + pub(crate) pgo_func_name_var_map: RefCell<FxIndexMap<Instance<'tcx>, &'ll llvm::Value>>, pub(crate) mcdc_condition_bitmap_map: RefCell<FxHashMap<Instance<'tcx>, Vec<&'ll llvm::Value>>>, covfun_section_name: OnceCell<CString>, @@ -31,7 +36,6 @@ pub(crate) struct CguCoverageContext<'ll, 'tcx> { impl<'ll, 'tcx> CguCoverageContext<'ll, 'tcx> { pub(crate) fn new() -> Self { Self { - instances_used: RefCell::<FxIndexSet<_>>::default(), pgo_func_name_var_map: Default::default(), mcdc_condition_bitmap_map: Default::default(), covfun_section_name: Default::default(), @@ -53,6 +57,14 @@ impl<'ll, 'tcx> CguCoverageContext<'ll, 'tcx> { .and_then(|bitmap_map| bitmap_map.get(decision_depth as usize)) .copied() // Dereference Option<&&Value> to Option<&Value> } + + /// Returns the list of instances considered "used" in this CGU, as + /// inferred from the keys of `pgo_func_name_var_map`. + pub(crate) fn instances_used(&self) -> Vec<Instance<'tcx>> { + // Collecting into a Vec is way easier than trying to juggle RefCell + // projections, and this should only run once per CGU anyway. + self.pgo_func_name_var_map.borrow().keys().copied().collect::<Vec<_>>() + } } impl<'ll, 'tcx> CodegenCx<'ll, 'tcx> { @@ -78,7 +90,10 @@ impl<'ll, 'tcx> CodegenCx<'ll, 'tcx> { /// string, to hold the function name passed to LLVM intrinsic /// `instrprof.increment()`. The `Value` is only created once per instance. /// Multiple invocations with the same instance return the same `Value`. - fn get_pgo_func_name_var(&self, instance: Instance<'tcx>) -> &'ll llvm::Value { + /// + /// This has the side-effect of causing coverage codegen to consider this + /// function "used", making it eligible to emit an associated covfun record. + fn ensure_pgo_func_name_var(&self, instance: Instance<'tcx>) -> &'ll llvm::Value { debug!("getting pgo_func_name_var for instance={:?}", instance); let mut pgo_func_name_var_map = self.coverage_cx().pgo_func_name_var_map.borrow_mut(); pgo_func_name_var_map.entry(instance).or_insert_with(|| { @@ -102,7 +117,7 @@ impl<'tcx> CoverageInfoBuilderMethods<'tcx> for Builder<'_, '_, 'tcx> { return; } - let fn_name = self.get_pgo_func_name_var(instance); + let fn_name = self.ensure_pgo_func_name_var(instance); let hash = self.const_u64(function_coverage_info.function_source_hash); let bitmap_bits = self.const_u32(function_coverage_info.mcdc_bitmap_bits as u32); self.mcdc_parameters(fn_name, hash, bitmap_bits); @@ -151,11 +166,6 @@ impl<'tcx> CoverageInfoBuilderMethods<'tcx> for Builder<'_, '_, 'tcx> { return; }; - // Mark the instance as used in this CGU, for coverage purposes. - // This includes functions that were not partitioned into this CGU, - // but were MIR-inlined into one of this CGU's functions. - coverage_cx.instances_used.borrow_mut().insert(instance); - match *kind { CoverageKind::SpanMarker | CoverageKind::BlockMarker { .. } => unreachable!( "marker statement {kind:?} should have been removed by CleanupPostBorrowck" @@ -163,7 +173,7 @@ impl<'tcx> CoverageInfoBuilderMethods<'tcx> for Builder<'_, '_, 'tcx> { CoverageKind::VirtualCounter { bcb } if let Some(&id) = ids_info.phys_counter_for_node.get(&bcb) => { - let fn_name = bx.get_pgo_func_name_var(instance); + let fn_name = bx.ensure_pgo_func_name_var(instance); let hash = bx.const_u64(function_coverage_info.function_source_hash); let num_counters = bx.const_u32(ids_info.num_counters); let index = bx.const_u32(id.as_u32()); @@ -193,7 +203,7 @@ impl<'tcx> CoverageInfoBuilderMethods<'tcx> for Builder<'_, '_, 'tcx> { "bitmap index of the decision out of range" ); - let fn_name = bx.get_pgo_func_name_var(instance); + let fn_name = bx.ensure_pgo_func_name_var(instance); let hash = bx.const_u64(function_coverage_info.function_source_hash); let bitmap_index = bx.const_u32(bitmap_idx); bx.mcdc_tvbitmap_update(fn_name, hash, bitmap_index, cond_bitmap); diff --git a/compiler/rustc_codegen_llvm/src/errors.rs b/compiler/rustc_codegen_llvm/src/errors.rs index 2a889888a39..627b0c9ff3b 100644 --- a/compiler/rustc_codegen_llvm/src/errors.rs +++ b/compiler/rustc_codegen_llvm/src/errors.rs @@ -39,7 +39,7 @@ pub(crate) struct AutoDiffWithoutEnable; #[derive(Diagnostic)] #[diag(codegen_llvm_lto_bitcode_from_rlib)] pub(crate) struct LtoBitcodeFromRlib { - pub llvm_err: String, + pub err: String, } #[derive(Diagnostic)] diff --git a/compiler/rustc_codegen_llvm/src/lib.rs b/compiler/rustc_codegen_llvm/src/lib.rs index 8b1913cfa75..ca84b6de8b1 100644 --- a/compiler/rustc_codegen_llvm/src/lib.rs +++ b/compiler/rustc_codegen_llvm/src/lib.rs @@ -168,13 +168,6 @@ impl WriteBackendMethods for LlvmCodegenBackend { let stats = llvm::build_string(|s| unsafe { llvm::LLVMRustPrintStatistics(s) }).unwrap(); print!("{stats}"); } - fn run_link( - cgcx: &CodegenContext<Self>, - dcx: DiagCtxtHandle<'_>, - modules: Vec<ModuleCodegen<Self::Module>>, - ) -> Result<ModuleCodegen<Self::Module>, FatalError> { - back::write::link(cgcx, dcx, modules) - } fn run_and_optimize_fat_lto( cgcx: &CodegenContext<Self>, exported_symbols_for_lto: &[String], diff --git a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs index edfb29dd1be..0d0cb5f139e 100644 --- a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs +++ b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs @@ -2612,13 +2612,6 @@ unsafe extern "C" { len: usize, Identifier: *const c_char, ) -> Option<&Module>; - pub(crate) fn LLVMRustGetSliceFromObjectDataByName( - data: *const u8, - len: usize, - name: *const u8, - name_len: usize, - out_len: &mut usize, - ) -> *const u8; pub(crate) fn LLVMRustLinkerNew(M: &Module) -> &mut Linker<'_>; pub(crate) fn LLVMRustLinkerAdd( diff --git a/compiler/rustc_codegen_ssa/src/back/write.rs b/compiler/rustc_codegen_ssa/src/back/write.rs index 7be274df1d4..6773d3e24e9 100644 --- a/compiler/rustc_codegen_ssa/src/back/write.rs +++ b/compiler/rustc_codegen_ssa/src/back/write.rs @@ -1,4 +1,3 @@ -use std::any::Any; use std::assert_matches::assert_matches; use std::marker::PhantomData; use std::path::{Path, PathBuf}; @@ -372,8 +371,6 @@ pub struct CodegenContext<B: WriteBackendMethods> { /// The incremental compilation session directory, or None if we are not /// compiling incrementally pub incr_comp_session_dir: Option<PathBuf>, - /// Channel back to the main control thread to send messages to - pub coordinator_send: Sender<Box<dyn Any + Send>>, /// `true` if the codegen should be run in parallel. /// /// Depends on [`ExtraBackendMethods::supports_parallel()`] and `-Zno_parallel_backend`. @@ -800,10 +797,6 @@ pub(crate) enum WorkItemResult<B: WriteBackendMethods> { /// The backend has finished compiling a CGU, nothing more required. Finished(CompiledModule), - /// The backend has finished compiling a CGU, which now needs linking - /// because `-Zcombine-cgu` was specified. - NeedsLink(ModuleCodegen<B::Module>), - /// The backend has finished compiling a CGU, which now needs to go through /// fat LTO. NeedsFatLto(FatLtoInput<B>), @@ -887,7 +880,10 @@ fn execute_optimize_work_item<B: ExtraBackendMethods>( }; match lto_type { - ComputedLtoType::No => finish_intra_module_work(cgcx, module, module_config), + ComputedLtoType::No => { + let module = B::codegen(cgcx, module, module_config)?; + Ok(WorkItemResult::Finished(module)) + } ComputedLtoType::Thin => { let (name, thin_buffer) = B::prepare_thin(module, false); if let Some(path) = bitcode { @@ -1027,20 +1023,8 @@ fn execute_thin_lto_work_item<B: ExtraBackendMethods>( module_config: &ModuleConfig, ) -> Result<WorkItemResult<B>, FatalError> { let module = B::optimize_thin(cgcx, module)?; - finish_intra_module_work(cgcx, module, module_config) -} - -fn finish_intra_module_work<B: ExtraBackendMethods>( - cgcx: &CodegenContext<B>, - module: ModuleCodegen<B::Module>, - module_config: &ModuleConfig, -) -> Result<WorkItemResult<B>, FatalError> { - if !cgcx.opts.unstable_opts.combine_cgu || module.kind == ModuleKind::Allocator { - let module = B::codegen(cgcx, module, module_config)?; - Ok(WorkItemResult::Finished(module)) - } else { - Ok(WorkItemResult::NeedsLink(module)) - } + let module = B::codegen(cgcx, module, module_config)?; + Ok(WorkItemResult::Finished(module)) } /// Messages sent to the coordinator. @@ -1122,10 +1106,10 @@ fn start_executing_work<B: ExtraBackendMethods>( autodiff_items: &[AutoDiffItem], shared_emitter: SharedEmitter, codegen_worker_send: Sender<CguMessage>, - coordinator_receive: Receiver<Box<dyn Any + Send>>, + coordinator_receive: Receiver<Message<B>>, regular_config: Arc<ModuleConfig>, allocator_config: Arc<ModuleConfig>, - tx_to_llvm_workers: Sender<Box<dyn Any + Send>>, + tx_to_llvm_workers: Sender<Message<B>>, ) -> thread::JoinHandle<Result<CompiledModules, ()>> { let coordinator_send = tx_to_llvm_workers; let sess = tcx.sess; @@ -1153,7 +1137,7 @@ fn start_executing_work<B: ExtraBackendMethods>( let coordinator_send2 = coordinator_send.clone(); let helper = jobserver::client() .into_helper_thread(move |token| { - drop(coordinator_send2.send(Box::new(Message::Token::<B>(token)))); + drop(coordinator_send2.send(Message::Token::<B>(token))); }) .expect("failed to spawn helper thread"); @@ -1187,7 +1171,6 @@ fn start_executing_work<B: ExtraBackendMethods>( remark: sess.opts.cg.remark.clone(), remark_dir, incr_comp_session_dir: sess.incr_comp_session_dir_opt().map(|r| r.clone()), - coordinator_send, expanded_args: tcx.sess.expanded_args.clone(), diag_emitter: shared_emitter.clone(), output_filenames: Arc::clone(tcx.output_filenames(())), @@ -1347,7 +1330,6 @@ fn start_executing_work<B: ExtraBackendMethods>( // through codegen and LLVM. let mut compiled_modules = vec![]; let mut compiled_allocator_module = None; - let mut needs_link = Vec::new(); let mut needs_fat_lto = Vec::new(); let mut needs_thin_lto = Vec::new(); let mut lto_import_only_modules = Vec::new(); @@ -1423,7 +1405,7 @@ fn start_executing_work<B: ExtraBackendMethods>( let (item, _) = work_items.pop().expect("queue empty - queue_full_enough() broken?"); main_thread_state = MainThreadState::Lending; - spawn_work(&cgcx, &mut llvm_start_time, item); + spawn_work(&cgcx, coordinator_send.clone(), &mut llvm_start_time, item); } } } else if codegen_state == Completed { @@ -1502,7 +1484,7 @@ fn start_executing_work<B: ExtraBackendMethods>( MainThreadState::Idle => { if let Some((item, _)) = work_items.pop() { main_thread_state = MainThreadState::Lending; - spawn_work(&cgcx, &mut llvm_start_time, item); + spawn_work(&cgcx, coordinator_send.clone(), &mut llvm_start_time, item); } else { // There is no unstarted work, so let the main thread // take over for a running worker. Otherwise the @@ -1538,7 +1520,7 @@ fn start_executing_work<B: ExtraBackendMethods>( while running_with_own_token < tokens.len() && let Some((item, _)) = work_items.pop() { - spawn_work(&cgcx, &mut llvm_start_time, item); + spawn_work(&cgcx, coordinator_send.clone(), &mut llvm_start_time, item); running_with_own_token += 1; } } @@ -1546,8 +1528,7 @@ fn start_executing_work<B: ExtraBackendMethods>( // Relinquish accidentally acquired extra tokens. tokens.truncate(running_with_own_token); - let msg = coordinator_receive.recv().unwrap(); - match *msg.downcast::<Message<B>>().ok().unwrap() { + match coordinator_receive.recv().unwrap() { // Save the token locally and the next turn of the loop will use // this to spawn a new unit of work, or it may get dropped // immediately if we have no more work to spawn. @@ -1630,7 +1611,6 @@ fn start_executing_work<B: ExtraBackendMethods>( Ok(WorkItemResult::Finished(compiled_module)) => { match compiled_module.kind { ModuleKind::Regular => { - assert!(needs_link.is_empty()); compiled_modules.push(compiled_module); } ModuleKind::Allocator => { @@ -1639,10 +1619,6 @@ fn start_executing_work<B: ExtraBackendMethods>( } } } - Ok(WorkItemResult::NeedsLink(module)) => { - assert!(compiled_modules.is_empty()); - needs_link.push(module); - } Ok(WorkItemResult::NeedsFatLto(fat_lto_input)) => { assert!(!started_lto); assert!(needs_thin_lto.is_empty()); @@ -1679,17 +1655,6 @@ fn start_executing_work<B: ExtraBackendMethods>( return Err(()); } - let needs_link = mem::take(&mut needs_link); - if !needs_link.is_empty() { - assert!(compiled_modules.is_empty()); - let dcx = cgcx.create_dcx(); - let dcx = dcx.handle(); - let module = B::run_link(&cgcx, dcx, needs_link).map_err(|_| ())?; - let module = - B::codegen(&cgcx, module, cgcx.config(ModuleKind::Regular)).map_err(|_| ())?; - compiled_modules.push(module); - } - // Drop to print timings drop(llvm_start_time); @@ -1769,6 +1734,7 @@ pub(crate) struct WorkerFatalError; fn spawn_work<'a, B: ExtraBackendMethods>( cgcx: &'a CodegenContext<B>, + coordinator_send: Sender<Message<B>>, llvm_start_time: &mut Option<VerboseTimingGuard<'a>>, work: WorkItem<B>, ) { @@ -1782,7 +1748,7 @@ fn spawn_work<'a, B: ExtraBackendMethods>( // Set up a destructor which will fire off a message that we're done as // we exit. struct Bomb<B: ExtraBackendMethods> { - coordinator_send: Sender<Box<dyn Any + Send>>, + coordinator_send: Sender<Message<B>>, result: Option<Result<WorkItemResult<B>, FatalError>>, } impl<B: ExtraBackendMethods> Drop for Bomb<B> { @@ -1794,11 +1760,11 @@ fn spawn_work<'a, B: ExtraBackendMethods>( } None => Message::WorkItem::<B> { result: Err(None) }, }; - drop(self.coordinator_send.send(Box::new(msg))); + drop(self.coordinator_send.send(msg)); } } - let mut bomb = Bomb::<B> { coordinator_send: cgcx.coordinator_send.clone(), result: None }; + let mut bomb = Bomb::<B> { coordinator_send, result: None }; // Execute the work itself, and if it finishes successfully then flag // ourselves as a success as well. @@ -2003,7 +1969,7 @@ impl SharedEmitterMain { } pub struct Coordinator<B: ExtraBackendMethods> { - pub sender: Sender<Box<dyn Any + Send>>, + sender: Sender<Message<B>>, future: Option<thread::JoinHandle<Result<CompiledModules, ()>>>, // Only used for the Message type. phantom: PhantomData<B>, @@ -2020,7 +1986,7 @@ impl<B: ExtraBackendMethods> Drop for Coordinator<B> { if let Some(future) = self.future.take() { // If we haven't joined yet, signal to the coordinator that it should spawn no more // work, and wait for worker threads to finish. - drop(self.sender.send(Box::new(Message::CodegenAborted::<B>))); + drop(self.sender.send(Message::CodegenAborted::<B>)); drop(future.join()); } } @@ -2079,7 +2045,7 @@ impl<B: ExtraBackendMethods> OngoingCodegen<B> { pub(crate) fn codegen_finished(&self, tcx: TyCtxt<'_>) { self.wait_for_signal_to_codegen_item(); self.check_for_errors(tcx.sess); - drop(self.coordinator.sender.send(Box::new(Message::CodegenComplete::<B>))); + drop(self.coordinator.sender.send(Message::CodegenComplete::<B>)); } pub(crate) fn check_for_errors(&self, sess: &Session) { @@ -2100,28 +2066,25 @@ impl<B: ExtraBackendMethods> OngoingCodegen<B> { } pub(crate) fn submit_codegened_module_to_llvm<B: ExtraBackendMethods>( - _backend: &B, - tx_to_llvm_workers: &Sender<Box<dyn Any + Send>>, + coordinator: &Coordinator<B>, module: ModuleCodegen<B::Module>, cost: u64, ) { let llvm_work_item = WorkItem::Optimize(module); - drop(tx_to_llvm_workers.send(Box::new(Message::CodegenDone::<B> { llvm_work_item, cost }))); + drop(coordinator.sender.send(Message::CodegenDone::<B> { llvm_work_item, cost })); } pub(crate) fn submit_post_lto_module_to_llvm<B: ExtraBackendMethods>( - _backend: &B, - tx_to_llvm_workers: &Sender<Box<dyn Any + Send>>, + coordinator: &Coordinator<B>, module: CachedModuleCodegen, ) { let llvm_work_item = WorkItem::CopyPostLtoArtifacts(module); - drop(tx_to_llvm_workers.send(Box::new(Message::CodegenDone::<B> { llvm_work_item, cost: 0 }))); + drop(coordinator.sender.send(Message::CodegenDone::<B> { llvm_work_item, cost: 0 })); } pub(crate) fn submit_pre_lto_module_to_llvm<B: ExtraBackendMethods>( - _backend: &B, tcx: TyCtxt<'_>, - tx_to_llvm_workers: &Sender<Box<dyn Any + Send>>, + coordinator: &Coordinator<B>, module: CachedModuleCodegen, ) { let filename = pre_lto_bitcode_filename(&module.name); @@ -2135,10 +2098,10 @@ pub(crate) fn submit_pre_lto_module_to_llvm<B: ExtraBackendMethods>( }) }; // Schedule the module to be loaded - drop(tx_to_llvm_workers.send(Box::new(Message::AddImportOnlyModule::<B> { + drop(coordinator.sender.send(Message::AddImportOnlyModule::<B> { module_data: SerializedModule::FromUncompressedFile(mmap), work_product: module.source, - }))); + })); } fn pre_lto_bitcode_filename(module_name: &str) -> String { diff --git a/compiler/rustc_codegen_ssa/src/base.rs b/compiler/rustc_codegen_ssa/src/base.rs index 833456abb8a..a5807c56e31 100644 --- a/compiler/rustc_codegen_ssa/src/base.rs +++ b/compiler/rustc_codegen_ssa/src/base.rs @@ -702,8 +702,7 @@ pub fn codegen_crate<B: ExtraBackendMethods>( // These modules are generally cheap and won't throw off scheduling. let cost = 0; submit_codegened_module_to_llvm( - &backend, - &ongoing_codegen.coordinator.sender, + &ongoing_codegen.coordinator, ModuleCodegen::new_allocator(llmod_id, module_llvm), cost, ); @@ -800,18 +799,12 @@ pub fn codegen_crate<B: ExtraBackendMethods>( // compilation hang on post-monomorphization errors. tcx.dcx().abort_if_errors(); - submit_codegened_module_to_llvm( - &backend, - &ongoing_codegen.coordinator.sender, - module, - cost, - ); + submit_codegened_module_to_llvm(&ongoing_codegen.coordinator, module, cost); } CguReuse::PreLto => { submit_pre_lto_module_to_llvm( - &backend, tcx, - &ongoing_codegen.coordinator.sender, + &ongoing_codegen.coordinator, CachedModuleCodegen { name: cgu.name().to_string(), source: cgu.previous_work_product(tcx), @@ -820,8 +813,7 @@ pub fn codegen_crate<B: ExtraBackendMethods>( } CguReuse::PostLto => { submit_post_lto_module_to_llvm( - &backend, - &ongoing_codegen.coordinator.sender, + &ongoing_codegen.coordinator, CachedModuleCodegen { name: cgu.name().to_string(), source: cgu.previous_work_product(tcx), diff --git a/compiler/rustc_codegen_ssa/src/traits/write.rs b/compiler/rustc_codegen_ssa/src/traits/write.rs index 8e78cbe1963..f391c198e1a 100644 --- a/compiler/rustc_codegen_ssa/src/traits/write.rs +++ b/compiler/rustc_codegen_ssa/src/traits/write.rs @@ -16,12 +16,6 @@ pub trait WriteBackendMethods: Clone + 'static { type ThinData: Send + Sync; type ThinBuffer: ThinBufferMethods; - /// Merge all modules into main_module and returning it - fn run_link( - cgcx: &CodegenContext<Self>, - dcx: DiagCtxtHandle<'_>, - modules: Vec<ModuleCodegen<Self::Module>>, - ) -> Result<ModuleCodegen<Self::Module>, FatalError>; /// Performs fat LTO by merging all modules into a single one, running autodiff /// if necessary and running any further optimizations fn run_and_optimize_fat_lto( diff --git a/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp index a2e4d7306cb..8c34052770e 100644 --- a/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp +++ b/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp @@ -1650,40 +1650,6 @@ extern "C" LLVMModuleRef LLVMRustParseBitcodeForLTO(LLVMContextRef Context, return wrap(std::move(*SrcOrError).release()); } -// Find a section of an object file by name. Fail if the section is missing or -// empty. -extern "C" const char *LLVMRustGetSliceFromObjectDataByName(const char *data, - size_t len, - const char *name, - size_t name_len, - size_t *out_len) { - *out_len = 0; - auto Name = StringRef(name, name_len); - auto Data = StringRef(data, len); - auto Buffer = MemoryBufferRef(Data, ""); // The id is unused. - file_magic Type = identify_magic(Buffer.getBuffer()); - Expected<std::unique_ptr<object::ObjectFile>> ObjFileOrError = - object::ObjectFile::createObjectFile(Buffer, Type); - if (!ObjFileOrError) { - LLVMRustSetLastError(toString(ObjFileOrError.takeError()).c_str()); - return nullptr; - } - for (const object::SectionRef &Sec : (*ObjFileOrError)->sections()) { - Expected<StringRef> SecName = Sec.getName(); - if (SecName && *SecName == Name) { - Expected<StringRef> SectionOrError = Sec.getContents(); - if (!SectionOrError) { - LLVMRustSetLastError(toString(SectionOrError.takeError()).c_str()); - return nullptr; - } - *out_len = SectionOrError->size(); - return SectionOrError->data(); - } - } - LLVMRustSetLastError("could not find requested section"); - return nullptr; -} - // Computes the LTO cache key for the provided 'ModId' in the given 'Data', // storing the result in 'KeyOut'. // Currently, this cache key is a SHA-1 hash of anything that could affect diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs index 5f1973b31a1..44b35e8921e 100644 --- a/compiler/rustc_session/src/options.rs +++ b/compiler/rustc_session/src/options.rs @@ -2168,8 +2168,6 @@ options! { "hash algorithm of source files used to check freshness in cargo (`blake3` or `sha256`)"), codegen_backend: Option<String> = (None, parse_opt_string, [TRACKED], "the backend to use"), - combine_cgu: bool = (false, parse_bool, [TRACKED], - "combine CGUs into a single one"), contract_checks: Option<bool> = (None, parse_opt_bool, [TRACKED], "emit runtime checks for contract pre- and post-conditions (default: no)"), coverage_options: CoverageOptions = (CoverageOptions::default(), parse_coverage_options, [TRACKED], diff --git a/library/core/src/str/mod.rs b/library/core/src/str/mod.rs index 029abf17539..c40af4de7e0 100644 --- a/library/core/src/str/mod.rs +++ b/library/core/src/str/mod.rs @@ -407,17 +407,22 @@ impl str { /// ``` #[unstable(feature = "round_char_boundary", issue = "93743")] #[inline] - pub fn floor_char_boundary(&self, index: usize) -> usize { + pub const fn floor_char_boundary(&self, index: usize) -> usize { if index >= self.len() { self.len() } else { - let lower_bound = index.saturating_sub(3); - let new_index = self.as_bytes()[lower_bound..=index] - .iter() - .rposition(|b| b.is_utf8_char_boundary()); - - // SAFETY: we know that the character boundary will be within four bytes - unsafe { lower_bound + new_index.unwrap_unchecked() } + let mut i = index; + while i > 0 { + if self.as_bytes()[i].is_utf8_char_boundary() { + break; + } + i -= 1; + } + + // The character boundary will be within four bytes of the index + debug_assert!(i >= index.saturating_sub(3)); + + i } } @@ -445,15 +450,22 @@ impl str { /// ``` #[unstable(feature = "round_char_boundary", issue = "93743")] #[inline] - pub fn ceil_char_boundary(&self, index: usize) -> usize { + pub const fn ceil_char_boundary(&self, index: usize) -> usize { if index >= self.len() { self.len() } else { - let upper_bound = Ord::min(index + 4, self.len()); - self.as_bytes()[index..upper_bound] - .iter() - .position(|b| b.is_utf8_char_boundary()) - .map_or(upper_bound, |pos| pos + index) + let mut i = index; + while i < self.len() { + if self.as_bytes()[i].is_utf8_char_boundary() { + break; + } + i += 1; + } + + // The character boundary will be within four bytes of the index + debug_assert!(i <= index + 3); + + i } } diff --git a/library/core/src/sync/atomic.rs b/library/core/src/sync/atomic.rs index 546f3d91a80..57bea505433 100644 --- a/library/core/src/sync/atomic.rs +++ b/library/core/src/sync/atomic.rs @@ -563,8 +563,8 @@ impl AtomicBool { /// `align_of::<AtomicBool>() == 1`). /// * `ptr` must be [valid] for both reads and writes for the whole lifetime `'a`. /// * You must adhere to the [Memory model for atomic accesses]. In particular, it is not - /// allowed to mix atomic and non-atomic accesses, or atomic accesses of different sizes, - /// without synchronization. + /// allowed to mix conflicting atomic and non-atomic accesses, or atomic accesses of different + /// sizes, without synchronization. /// /// [valid]: crate::ptr#safety /// [Memory model for atomic accesses]: self#memory-model-for-atomic-accesses @@ -1246,7 +1246,7 @@ impl AtomicBool { /// atomic types work with interior mutability. All modifications of an atomic change the value /// through a shared reference, and can do so safely as long as they use atomic operations. Any /// use of the returned raw pointer requires an `unsafe` block and still has to uphold the same - /// restriction: operations on it must be atomic. + /// restriction in [Memory model for atomic accesses]. /// /// # Examples /// @@ -1264,6 +1264,8 @@ impl AtomicBool { /// } /// # } /// ``` + /// + /// [Memory model for atomic accesses]: self#memory-model-for-atomic-accesses #[inline] #[stable(feature = "atomic_as_ptr", since = "1.70.0")] #[rustc_const_stable(feature = "atomic_as_ptr", since = "1.70.0")] @@ -1519,8 +1521,8 @@ impl<T> AtomicPtr<T> { /// can be bigger than `align_of::<*mut T>()`). /// * `ptr` must be [valid] for both reads and writes for the whole lifetime `'a`. /// * You must adhere to the [Memory model for atomic accesses]. In particular, it is not - /// allowed to mix atomic and non-atomic accesses, or atomic accesses of different sizes, - /// without synchronization. + /// allowed to mix conflicting atomic and non-atomic accesses, or atomic accesses of different + /// sizes, without synchronization. /// /// [valid]: crate::ptr#safety /// [Memory model for atomic accesses]: self#memory-model-for-atomic-accesses @@ -2488,7 +2490,7 @@ impl<T> AtomicPtr<T> { /// atomic types work with interior mutability. All modifications of an atomic change the value /// through a shared reference, and can do so safely as long as they use atomic operations. Any /// use of the returned raw pointer requires an `unsafe` block and still has to uphold the same - /// restriction: operations on it must be atomic. + /// restriction in [Memory model for atomic accesses]. /// /// # Examples /// @@ -2507,6 +2509,8 @@ impl<T> AtomicPtr<T> { /// my_atomic_op(atomic.as_ptr()); /// } /// ``` + /// + /// [Memory model for atomic accesses]: self#memory-model-for-atomic-accesses #[inline] #[stable(feature = "atomic_as_ptr", since = "1.70.0")] #[rustc_const_stable(feature = "atomic_as_ptr", since = "1.70.0")] @@ -2698,8 +2702,8 @@ macro_rules! atomic_int { }] /// * `ptr` must be [valid] for both reads and writes for the whole lifetime `'a`. /// * You must adhere to the [Memory model for atomic accesses]. In particular, it is not - /// allowed to mix atomic and non-atomic accesses, or atomic accesses of different sizes, - /// without synchronization. + /// allowed to mix conflicting atomic and non-atomic accesses, or atomic accesses of different + /// sizes, without synchronization. /// /// [valid]: crate::ptr#safety /// [Memory model for atomic accesses]: self#memory-model-for-atomic-accesses @@ -3620,7 +3624,7 @@ macro_rules! atomic_int { /// atomic types work with interior mutability. All modifications of an atomic change the value /// through a shared reference, and can do so safely as long as they use atomic operations. Any /// use of the returned raw pointer requires an `unsafe` block and still has to uphold the same - /// restriction: operations on it must be atomic. + /// restriction in [Memory model for atomic accesses]. /// /// # Examples /// @@ -3640,6 +3644,8 @@ macro_rules! atomic_int { /// } /// # } /// ``` + /// + /// [Memory model for atomic accesses]: self#memory-model-for-atomic-accesses #[inline] #[stable(feature = "atomic_as_ptr", since = "1.70.0")] #[rustc_const_stable(feature = "atomic_as_ptr", since = "1.70.0")] diff --git a/library/rustc-std-workspace-alloc/Cargo.toml b/library/rustc-std-workspace-alloc/Cargo.toml index 5a177808d1b..a5b51059119 100644 --- a/library/rustc-std-workspace-alloc/Cargo.toml +++ b/library/rustc-std-workspace-alloc/Cargo.toml @@ -9,6 +9,9 @@ edition = "2024" [lib] path = "lib.rs" +test = false +bench = false +doc = false [dependencies] alloc = { path = "../alloc" } diff --git a/library/rustc-std-workspace-core/Cargo.toml b/library/rustc-std-workspace-core/Cargo.toml index 1ddc112380f..d68965c6345 100644 --- a/library/rustc-std-workspace-core/Cargo.toml +++ b/library/rustc-std-workspace-core/Cargo.toml @@ -11,6 +11,9 @@ edition = "2024" [lib] path = "lib.rs" +test = false +bench = false +doc = false [dependencies] core = { path = "../core", public = true } diff --git a/library/rustc-std-workspace-std/Cargo.toml b/library/rustc-std-workspace-std/Cargo.toml index f70994e1f88..6079dc85d90 100644 --- a/library/rustc-std-workspace-std/Cargo.toml +++ b/library/rustc-std-workspace-std/Cargo.toml @@ -9,6 +9,9 @@ edition = "2024" [lib] path = "lib.rs" +test = false +bench = false +doc = false [dependencies] std = { path = "../std" } diff --git a/library/std_detect/src/detect/macros.rs b/library/std_detect/src/detect/macros.rs index c2a006d3753..17140e15653 100644 --- a/library/std_detect/src/detect/macros.rs +++ b/library/std_detect/src/detect/macros.rs @@ -131,14 +131,13 @@ macro_rules! features { }; } - #[test] //tidy:skip #[deny(unexpected_cfgs)] #[deny(unfulfilled_lint_expectations)] - fn unexpected_cfgs() { + const _: () = { $( check_cfg_feature!($feature, $feature_lit $(, without cfg check: $feature_cfg_check)? $(: $($target_feature_lit),*)?); )* - } + }; /// Each variant denotes a position in a bitset for a particular feature. /// diff --git a/library/std_detect/src/detect/os/riscv.rs b/library/std_detect/src/detect/os/riscv.rs index 46b7dd71eb3..dc9a4036d86 100644 --- a/library/std_detect/src/detect/os/riscv.rs +++ b/library/std_detect/src/detect/os/riscv.rs @@ -135,4 +135,5 @@ pub(crate) fn imply_features(mut value: cache::Initializer) -> cache::Initialize } #[cfg(test)] +#[path = "riscv/tests.rs"] mod tests; diff --git a/library/sysroot/Cargo.toml b/library/sysroot/Cargo.toml index 82b93682c61..7b4aeed94e9 100644 --- a/library/sysroot/Cargo.toml +++ b/library/sysroot/Cargo.toml @@ -6,6 +6,8 @@ version = "0.0.0" edition = "2024" [lib] +test = false +bench = false # make sure this crate isn't included in public standard library docs doc = false diff --git a/library/windows_targets/Cargo.toml b/library/windows_targets/Cargo.toml index 705c9e04381..1c804a0ab39 100644 --- a/library/windows_targets/Cargo.toml +++ b/library/windows_targets/Cargo.toml @@ -4,6 +4,11 @@ description = "A drop-in replacement for the real windows-targets crate for use version = "0.0.0" edition = "2024" +[lib] +test = false +bench = false +doc = false + [features] # Enable using raw-dylib for Windows imports. # This will eventually be the default. diff --git a/src/tools/miropt-test-tools/Cargo.toml b/src/tools/miropt-test-tools/Cargo.toml index 09b4c7d16dc..3eb5020968d 100644 --- a/src/tools/miropt-test-tools/Cargo.toml +++ b/src/tools/miropt-test-tools/Cargo.toml @@ -1,6 +1,6 @@ [package] name = "miropt-test-tools" version = "0.1.0" -edition = "2021" +edition = "2024" [dependencies] diff --git a/src/tools/miropt-test-tools/src/lib.rs b/src/tools/miropt-test-tools/src/lib.rs index 41b53d2ad0e..10769c9c8ab 100644 --- a/src/tools/miropt-test-tools/src/lib.rs +++ b/src/tools/miropt-test-tools/src/lib.rs @@ -34,7 +34,7 @@ fn output_file_suffix(testfile: &Path, bit_width: u32, panic_strategy: PanicStra let mut suffix = String::new(); if each_bit_width { - suffix.push_str(&format!(".{}bit", bit_width)); + suffix.push_str(&format!(".{bit_width}bit")); } if each_panic_strategy { match panic_strategy { @@ -51,7 +51,7 @@ pub fn files_for_miropt_test( panic_strategy: PanicStrategy, ) -> MiroptTest { let mut out = Vec::new(); - let test_file_contents = fs::read_to_string(&testfile).unwrap(); + let test_file_contents = fs::read_to_string(testfile).unwrap(); let test_dir = testfile.parent().unwrap(); let test_crate = testfile.file_stem().unwrap().to_str().unwrap().replace('-', "_"); @@ -76,10 +76,10 @@ pub fn files_for_miropt_test( if test_name.ends_with(".diff") { let trimmed = test_name.trim_end_matches(".diff"); - passes.push(trimmed.split('.').last().unwrap().to_owned()); - let test_against = format!("{}.after.mir", trimmed); - from_file = format!("{}.before.mir", trimmed); - expected_file = format!("{}{}.diff", trimmed, suffix); + passes.push(trimmed.split('.').next_back().unwrap().to_owned()); + let test_against = format!("{trimmed}.after.mir"); + from_file = format!("{trimmed}.before.mir"); + expected_file = format!("{trimmed}{suffix}.diff"); assert!(test_names.next().is_none(), "two mir pass names specified for MIR diff"); to_file = Some(test_against); } else if let Some(first_pass) = test_names.next() { @@ -92,10 +92,9 @@ pub fn files_for_miropt_test( } assert!(test_names.next().is_none(), "three mir pass names specified for MIR diff"); - expected_file = - format!("{}{}.{}-{}.diff", test_name, suffix, first_pass, second_pass); - let second_file = format!("{}.{}.mir", test_name, second_pass); - from_file = format!("{}.{}.mir", test_name, first_pass); + expected_file = format!("{test_name}{suffix}.{first_pass}-{second_pass}.diff"); + let second_file = format!("{test_name}.{second_pass}.mir"); + from_file = format!("{test_name}.{first_pass}.mir"); to_file = Some(second_file); } else { // Allow-list for file extensions that can be produced by MIR dumps. @@ -112,7 +111,7 @@ pub fn files_for_miropt_test( ) } - expected_file = format!("{}{}.{}", test_name_wo_ext, suffix, test_name_ext); + expected_file = format!("{test_name_wo_ext}{suffix}.{test_name_ext}"); from_file = test_name.to_string(); assert!(test_names.next().is_none(), "two mir pass names specified for MIR dump"); to_file = None; @@ -123,7 +122,7 @@ pub fn files_for_miropt_test( ); }; if !expected_file.starts_with(&test_crate) { - expected_file = format!("{}.{}", test_crate, expected_file); + expected_file = format!("{test_crate}.{expected_file}"); } let expected_file = test_dir.join(expected_file); diff --git a/src/tools/tidy/src/main.rs b/src/tools/tidy/src/main.rs index 794b0addee3..cd2567ddb64 100644 --- a/src/tools/tidy/src/main.rs +++ b/src/tools/tidy/src/main.rs @@ -128,9 +128,9 @@ fn main() { check!(pal, &library_path); // Checks that need to be done for both the compiler and std libraries. - check!(unit_tests, &src_path); - check!(unit_tests, &compiler_path); - check!(unit_tests, &library_path); + check!(unit_tests, &src_path, false); + check!(unit_tests, &compiler_path, false); + check!(unit_tests, &library_path, true); if bins::check_filesystem_support(&[&root_path], &output_directory) { check!(bins, &root_path); diff --git a/src/tools/tidy/src/unit_tests.rs b/src/tools/tidy/src/unit_tests.rs index df9146b5147..3d14a467319 100644 --- a/src/tools/tidy/src/unit_tests.rs +++ b/src/tools/tidy/src/unit_tests.rs @@ -1,44 +1,60 @@ //! Tidy check to ensure `#[test]` and `#[bench]` are not used directly inside -//! `core` or `alloc`. +//! of the standard library. //! //! `core` and `alloc` cannot be tested directly due to duplicating lang items. //! All tests and benchmarks must be written externally in //! `{coretests,alloctests}/{tests,benches}`. //! -//! Outside of `core` and `alloc`, tests and benchmarks should be outlined into -//! separate files named `tests.rs` or `benches.rs`, or directories named +//! Outside of the standard library, tests and benchmarks should be outlined +//! into separate files named `tests.rs` or `benches.rs`, or directories named //! `tests` or `benches` unconfigured during normal build. use std::path::Path; use crate::walk::{filter_dirs, walk}; -pub fn check(root_path: &Path, bad: &mut bool) { - let core = root_path.join("core"); - let core_copy = core.clone(); - let is_core = move |path: &Path| path.starts_with(&core); - let alloc = root_path.join("alloc"); - let alloc_copy = alloc.clone(); - let is_alloc = move |path: &Path| path.starts_with(&alloc); - +pub fn check(root_path: &Path, stdlib: bool, bad: &mut bool) { let skip = move |path: &Path, is_dir| { let file_name = path.file_name().unwrap_or_default(); + + // Skip excluded directories and non-rust files if is_dir { - filter_dirs(path) - || path.ends_with("src/doc") - || (file_name == "tests" || file_name == "benches") - && !is_core(path) - && !is_alloc(path) + if filter_dirs(path) || path.ends_with("src/doc") { + return true; + } } else { let extension = path.extension().unwrap_or_default(); - extension != "rs" - || (file_name == "tests.rs" || file_name == "benches.rs") - && !is_core(path) - && !is_alloc(path) - // Tests which use non-public internals and, as such, need to - // have the types in the same crate as the tests themselves. See - // the comment in alloctests/lib.rs. - || path.ends_with("library/alloc/src/collections/btree/borrow/tests.rs") + if extension != "rs" { + return true; + } + } + + // Tests in a separate package are always allowed + if is_dir && file_name != "tests" && file_name.as_encoded_bytes().ends_with(b"tests") { + return true; + } + + if !stdlib { + // Outside of the standard library tests may also be in separate files in the same crate + if is_dir { + if file_name == "tests" || file_name == "benches" { + return true; + } + } else { + if file_name == "tests.rs" || file_name == "benches.rs" { + return true; + } + } + } + + if is_dir { + // FIXME remove those exceptions once no longer necessary + file_name == "std_detect" || file_name == "std" || file_name == "test" + } else { + // Tests which use non-public internals and, as such, need to + // have the types in the same crate as the tests themselves. See + // the comment in alloctests/lib.rs. + path.ends_with("library/alloc/src/collections/btree/borrow/tests.rs") || path.ends_with("library/alloc/src/collections/btree/map/tests.rs") || path.ends_with("library/alloc/src/collections/btree/node/tests.rs") || path.ends_with("library/alloc/src/collections/btree/set/tests.rs") @@ -50,22 +66,29 @@ pub fn check(root_path: &Path, bad: &mut bool) { walk(root_path, skip, &mut |entry, contents| { let path = entry.path(); - let is_core = path.starts_with(&core_copy); - let is_alloc = path.starts_with(&alloc_copy); + let package = path + .strip_prefix(root_path) + .unwrap() + .components() + .next() + .unwrap() + .as_os_str() + .to_str() + .unwrap(); for (i, line) in contents.lines().enumerate() { let line = line.trim(); let is_test = || line.contains("#[test]") && !line.contains("`#[test]"); let is_bench = || line.contains("#[bench]") && !line.contains("`#[bench]"); - let manual_skip = line.contains("//tidy:skip"); - if !line.starts_with("//") && (is_test() || is_bench()) && !manual_skip { - let explanation = if is_core { - "`core` unit tests and benchmarks must be placed into `coretests`" - } else if is_alloc { - "`alloc` unit tests and benchmarks must be placed into `alloctests`" + if !line.starts_with("//") && (is_test() || is_bench()) { + let explanation = if stdlib { + format!( + "`{package}` unit tests and benchmarks must be placed into `{package}tests`" + ) } else { "unit tests and benchmarks must be placed into \ separate files or directories named \ `tests.rs`, `benches.rs`, `tests` or `benches`" + .to_owned() }; let name = if is_test() { "test" } else { "bench" }; tidy_error!( diff --git a/tests/ui/README.md b/tests/ui/README.md index be387e220f6..86c9ad9c1ce 100644 --- a/tests/ui/README.md +++ b/tests/ui/README.md @@ -412,6 +412,10 @@ These tests revolve around command-line flags which change the way error/warning Exercises `#[diagnostic::*]` namespaced attributes. See [RFC 3368 Diagnostic attribute namespace](https://github.com/rust-lang/rfcs/blob/master/text/3368-diagnostic-attribute-namespace.md). +## `tests/ui/diagnostics-infra` + +This directory contains tests and infrastructure related to the diagnostics system, including support for translatable diagnostics + ## `tests/ui/diagnostic-width/`: `--diagnostic-width` Everything to do with `--diagnostic-width`. diff --git a/tests/ui/issues/issue-11192.rs b/tests/ui/borrowck/closure-borrow-conflict-11192.rs index 1a3d8c9fe58..dff70d62d6f 100644 --- a/tests/ui/issues/issue-11192.rs +++ b/tests/ui/borrowck/closure-borrow-conflict-11192.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/11192 + struct Foo { x: isize } diff --git a/tests/ui/issues/issue-11192.stderr b/tests/ui/borrowck/closure-borrow-conflict-11192.stderr index a8a18c49549..f1df635276b 100644 --- a/tests/ui/issues/issue-11192.stderr +++ b/tests/ui/borrowck/closure-borrow-conflict-11192.stderr @@ -1,5 +1,5 @@ error[E0502]: cannot borrow `*ptr` as immutable because it is also borrowed as mutable - --> $DIR/issue-11192.rs:20:10 + --> $DIR/closure-borrow-conflict-11192.rs:22:10 | LL | let mut test = |foo: &Foo| { | ----------- mutable borrow occurs here diff --git a/tests/ui/issues/issue-11085.rs b/tests/ui/cfg/conditional-compilation-struct-11085.rs index c3f13199b30..cd6dded54d3 100644 --- a/tests/ui/issues/issue-11085.rs +++ b/tests/ui/cfg/conditional-compilation-struct-11085.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/11085 + //@ run-pass #![allow(dead_code)] diff --git a/tests/ui/issues/issue-11205.rs b/tests/ui/coercion/trait-object-arrays-11205.rs index 8530514f0ed..45d69dce323 100644 --- a/tests/ui/issues/issue-11205.rs +++ b/tests/ui/coercion/trait-object-arrays-11205.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/11205 + //@ run-pass #![allow(dead_code)] diff --git a/tests/ui/diagnostics-infra/primary-fluent-bundle-missing.rs b/tests/ui/diagnostics-infra/primary-fluent-bundle-missing.rs new file mode 100644 index 00000000000..f2965778431 --- /dev/null +++ b/tests/ui/diagnostics-infra/primary-fluent-bundle-missing.rs @@ -0,0 +1,24 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/106755 + +//@ compile-flags:-Ztranslate-lang=en_US + +#![feature(negative_impls)] +#![feature(marker_trait_attr)] + +#[marker] +trait MyTrait {} + +struct TestType<T>(::std::marker::PhantomData<T>); + +unsafe impl<T: MyTrait + 'static> Send for TestType<T> {} + +impl<T: MyTrait> !Send for TestType<T> {} +//~^ ERROR found both positive and negative implementation +//~| ERROR `!Send` impl requires `T: MyTrait` but the struct it is implemented for does not + +unsafe impl<T: 'static> Send for TestType<T> {} //~ ERROR conflicting implementations + +impl !Send for TestType<i32> {} +//~^ ERROR `!Send` impls cannot be specialized + +fn main() {} diff --git a/tests/ui/diagnostics-infra/primary-fluent-bundle-missing.stderr b/tests/ui/diagnostics-infra/primary-fluent-bundle-missing.stderr new file mode 100644 index 00000000000..1dc31e161a7 --- /dev/null +++ b/tests/ui/diagnostics-infra/primary-fluent-bundle-missing.stderr @@ -0,0 +1,47 @@ +error[E0751]: found both positive and negative implementation of trait `Send` for type `TestType<_>`: + --> $DIR/primary-fluent-bundle-missing.rs:15:1 + | +LL | unsafe impl<T: MyTrait + 'static> Send for TestType<T> {} + | ------------------------------------------------------ positive implementation here +LL | +LL | impl<T: MyTrait> !Send for TestType<T> {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ negative implementation here + +error[E0119]: conflicting implementations of trait `Send` for type `TestType<_>` + --> $DIR/primary-fluent-bundle-missing.rs:19:1 + | +LL | unsafe impl<T: MyTrait + 'static> Send for TestType<T> {} + | ------------------------------------------------------ first implementation here +... +LL | unsafe impl<T: 'static> Send for TestType<T> {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `TestType<_>` + +error[E0367]: `!Send` impl requires `T: MyTrait` but the struct it is implemented for does not + --> $DIR/primary-fluent-bundle-missing.rs:15:9 + | +LL | impl<T: MyTrait> !Send for TestType<T> {} + | ^^^^^^^ + | +note: the implementor must specify the same requirement + --> $DIR/primary-fluent-bundle-missing.rs:11:1 + | +LL | struct TestType<T>(::std::marker::PhantomData<T>); + | ^^^^^^^^^^^^^^^^^^ + +error[E0366]: `!Send` impls cannot be specialized + --> $DIR/primary-fluent-bundle-missing.rs:21:1 + | +LL | impl !Send for TestType<i32> {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: `i32` is not a generic parameter +note: use the same sequence of generic lifetime, type and const parameters as the struct definition + --> $DIR/primary-fluent-bundle-missing.rs:11:1 + | +LL | struct TestType<T>(::std::marker::PhantomData<T>); + | ^^^^^^^^^^^^^^^^^^ + +error: aborting due to 4 previous errors + +Some errors have detailed explanations: E0119, E0366, E0367, E0751. +For more information about an error, try `rustc --explain E0119`. diff --git a/tests/ui/issues/issue-10734.rs b/tests/ui/drop/conditional-drop-10734.rs index 6d815aeca07..25f492bf9e0 100644 --- a/tests/ui/issues/issue-10734.rs +++ b/tests/ui/drop/conditional-drop-10734.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/10734 + //@ run-pass #![allow(non_upper_case_globals)] diff --git a/tests/ui/issues/issue-10802.rs b/tests/ui/drop/trait-object-drop-10802.rs index eca701ce98c..a8a955ad833 100644 --- a/tests/ui/issues/issue-10802.rs +++ b/tests/ui/drop/trait-object-drop-10802.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/10802 + //@ run-pass #![allow(dead_code)] diff --git a/tests/ui/issues/issue-10764.rs b/tests/ui/extern/extern-rust-fn-type-error-10764.rs index bb915f58d9d..f172f6e6b7d 100644 --- a/tests/ui/issues/issue-10764.rs +++ b/tests/ui/extern/extern-rust-fn-type-error-10764.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/10764 + fn f(_: extern "Rust" fn()) {} extern "C" fn bar() {} diff --git a/tests/ui/issues/issue-10764.stderr b/tests/ui/extern/extern-rust-fn-type-error-10764.stderr index f3bd0100a72..fa72d7dd6b2 100644 --- a/tests/ui/issues/issue-10764.stderr +++ b/tests/ui/extern/extern-rust-fn-type-error-10764.stderr @@ -1,5 +1,5 @@ error[E0308]: mismatched types - --> $DIR/issue-10764.rs:4:15 + --> $DIR/extern-rust-fn-type-error-10764.rs:6:15 | LL | fn main() { f(bar) } | - ^^^ expected "Rust" fn, found "C" fn @@ -9,7 +9,7 @@ LL | fn main() { f(bar) } = note: expected fn pointer `fn()` found fn item `extern "C" fn() {bar}` note: function defined here - --> $DIR/issue-10764.rs:1:4 + --> $DIR/extern-rust-fn-type-error-10764.rs:3:4 | LL | fn f(_: extern "Rust" fn()) {} | ^ --------------------- diff --git a/tests/ui/issues/issue-10877.rs b/tests/ui/extern/foreign-fn-pattern-error-10877.rs index 15a383175b9..9a047d4f34e 100644 --- a/tests/ui/issues/issue-10877.rs +++ b/tests/ui/extern/foreign-fn-pattern-error-10877.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/10877 + struct Foo { x: isize, } diff --git a/tests/ui/issues/issue-10877.stderr b/tests/ui/extern/foreign-fn-pattern-error-10877.stderr index bd3797cba55..cab7b6ab06b 100644 --- a/tests/ui/issues/issue-10877.stderr +++ b/tests/ui/extern/foreign-fn-pattern-error-10877.stderr @@ -1,23 +1,23 @@ error[E0130]: patterns aren't allowed in foreign function declarations - --> $DIR/issue-10877.rs:5:12 + --> $DIR/foreign-fn-pattern-error-10877.rs:7:12 | LL | fn foo(1: ()); | ^ pattern not allowed in foreign function error[E0130]: patterns aren't allowed in foreign function declarations - --> $DIR/issue-10877.rs:7:12 + --> $DIR/foreign-fn-pattern-error-10877.rs:9:12 | LL | fn bar((): isize); | ^^ pattern not allowed in foreign function error[E0130]: patterns aren't allowed in foreign function declarations - --> $DIR/issue-10877.rs:9:12 + --> $DIR/foreign-fn-pattern-error-10877.rs:11:12 | LL | fn baz(Foo { x }: isize); | ^^^^^^^^^ pattern not allowed in foreign function error[E0130]: patterns aren't allowed in foreign function declarations - --> $DIR/issue-10877.rs:11:12 + --> $DIR/foreign-fn-pattern-error-10877.rs:13:12 | LL | fn qux((x, y): ()); | ^^^^^^ pattern not allowed in foreign function diff --git a/tests/ui/issues/issue-10806.rs b/tests/ui/imports/use-declaration-no-path-segment-prefix.rs index 31315dc7c93..f7fbc084ebf 100644 --- a/tests/ui/issues/issue-10806.rs +++ b/tests/ui/imports/use-declaration-no-path-segment-prefix.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/10806 + //@ edition: 2015 //@ run-pass #![allow(unused_imports)] diff --git a/tests/ui/issues/issue-10718.rs b/tests/ui/inference/fnonce-closure-call.rs index 68ac0bbe49f..262a193609f 100644 --- a/tests/ui/issues/issue-10718.rs +++ b/tests/ui/inference/fnonce-closure-call.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/10718 + //@ run-pass fn f<F:FnOnce()>(p: F) { diff --git a/tests/ui/issues/issue-10436.rs b/tests/ui/inference/generic-type-inference-10436.rs index 672aa2464dc..456a9b86c34 100644 --- a/tests/ui/issues/issue-10436.rs +++ b/tests/ui/inference/generic-type-inference-10436.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/10436 + //@ run-pass fn works<T>(x: T) -> Vec<T> { vec![x] } diff --git a/tests/ui/issues/issue-10767.rs b/tests/ui/issues/issue-10767.rs deleted file mode 100644 index 2060d15b4c7..00000000000 --- a/tests/ui/issues/issue-10767.rs +++ /dev/null @@ -1,7 +0,0 @@ -//@ run-pass - -pub fn main() { - fn f() { - } - let _: Box<fn()> = Box::new(f as fn()); -} diff --git a/tests/ui/issues/issue-10396.rs b/tests/ui/lifetimes/array-pattern-matching-10396.rs index 082216d557c..5fc141bc460 100644 --- a/tests/ui/issues/issue-10396.rs +++ b/tests/ui/lifetimes/array-pattern-matching-10396.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/10396 + //@ check-pass #![allow(dead_code)] #[derive(Debug)] diff --git a/tests/ui/issues/issue-10291.rs b/tests/ui/lifetimes/closure-lifetime-bounds-10291.rs index 31b9e124046..42dc6c2cafa 100644 --- a/tests/ui/issues/issue-10291.rs +++ b/tests/ui/lifetimes/closure-lifetime-bounds-10291.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/10291 + fn test<'x>(x: &'x isize) { drop::<Box<dyn for<'z> FnMut(&'z isize) -> &'z isize>>(Box::new(|z| { x diff --git a/tests/ui/issues/issue-10291.stderr b/tests/ui/lifetimes/closure-lifetime-bounds-10291.stderr index 68ed9a0de5d..34f8ca40871 100644 --- a/tests/ui/issues/issue-10291.stderr +++ b/tests/ui/lifetimes/closure-lifetime-bounds-10291.stderr @@ -1,5 +1,5 @@ error: lifetime may not live long enough - --> $DIR/issue-10291.rs:3:9 + --> $DIR/closure-lifetime-bounds-10291.rs:5:9 | LL | fn test<'x>(x: &'x isize) { | -- lifetime `'x` defined here diff --git a/tests/ui/issues/issue-11374.rs b/tests/ui/lifetimes/container-lifetime-error-11374.rs index 60ee256c65a..59d13d04e46 100644 --- a/tests/ui/issues/issue-11374.rs +++ b/tests/ui/lifetimes/container-lifetime-error-11374.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/11374 + use std::io::{self, Read}; use std::vec; diff --git a/tests/ui/issues/issue-11374.stderr b/tests/ui/lifetimes/container-lifetime-error-11374.stderr index 3ae5cfc79f8..a29b5ae137c 100644 --- a/tests/ui/issues/issue-11374.stderr +++ b/tests/ui/lifetimes/container-lifetime-error-11374.stderr @@ -1,5 +1,5 @@ error[E0308]: mismatched types - --> $DIR/issue-11374.rs:27:15 + --> $DIR/container-lifetime-error-11374.rs:29:15 | LL | c.read_to(v); | ------- ^ expected `&mut [u8]`, found `Vec<_>` @@ -9,7 +9,7 @@ LL | c.read_to(v); = note: expected mutable reference `&mut [u8]` found struct `Vec<_>` note: method defined here - --> $DIR/issue-11374.rs:13:12 + --> $DIR/container-lifetime-error-11374.rs:15:12 | LL | pub fn read_to(&mut self, vec: &mut [u8]) { | ^^^^^^^ -------------- @@ -19,7 +19,7 @@ LL | c.read_to(&mut v); | ++++ error[E0515]: cannot return value referencing local variable `r` - --> $DIR/issue-11374.rs:20:5 + --> $DIR/container-lifetime-error-11374.rs:22:5 | LL | Container::wrap(&mut r as &mut dyn io::Read) | ^^^^^^^^^^^^^^^^------^^^^^^^^^^^^^^^^^^^^^^ diff --git a/tests/ui/issues/issue-10228.rs b/tests/ui/lifetimes/enum-lifetime-container-10228.rs index a59ccf926f9..ebbefb619c6 100644 --- a/tests/ui/issues/issue-10228.rs +++ b/tests/ui/lifetimes/enum-lifetime-container-10228.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/10228 + //@ run-pass #![allow(dead_code)] #![allow(unused_variables)] diff --git a/tests/ui/issues/issue-10412.rs b/tests/ui/lifetimes/keyword-self-lifetime-error-10412.rs index 68ce0c2ea3c..a5b303df2fd 100644 --- a/tests/ui/issues/issue-10412.rs +++ b/tests/ui/lifetimes/keyword-self-lifetime-error-10412.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/10412 + trait Serializable<'self, T> { //~^ ERROR lifetimes cannot use keyword names fn serialize(val: &'self T) -> Vec<u8>; //~ ERROR lifetimes cannot use keyword names diff --git a/tests/ui/issues/issue-10412.stderr b/tests/ui/lifetimes/keyword-self-lifetime-error-10412.stderr index c74ba1306cc..236bdf1ac85 100644 --- a/tests/ui/issues/issue-10412.stderr +++ b/tests/ui/lifetimes/keyword-self-lifetime-error-10412.stderr @@ -1,47 +1,47 @@ error: lifetimes cannot use keyword names - --> $DIR/issue-10412.rs:1:20 + --> $DIR/keyword-self-lifetime-error-10412.rs:3:20 | LL | trait Serializable<'self, T> { | ^^^^^ error: lifetimes cannot use keyword names - --> $DIR/issue-10412.rs:3:24 + --> $DIR/keyword-self-lifetime-error-10412.rs:5:24 | LL | fn serialize(val: &'self T) -> Vec<u8>; | ^^^^^ error: lifetimes cannot use keyword names - --> $DIR/issue-10412.rs:4:37 + --> $DIR/keyword-self-lifetime-error-10412.rs:6:37 | LL | fn deserialize(repr: &[u8]) -> &'self T; | ^^^^^ error: lifetimes cannot use keyword names - --> $DIR/issue-10412.rs:7:6 + --> $DIR/keyword-self-lifetime-error-10412.rs:9:6 | LL | impl<'self> Serializable<str> for &'self str { | ^^^^^ error: lifetimes cannot use keyword names - --> $DIR/issue-10412.rs:7:36 + --> $DIR/keyword-self-lifetime-error-10412.rs:9:36 | LL | impl<'self> Serializable<str> for &'self str { | ^^^^^ error: lifetimes cannot use keyword names - --> $DIR/issue-10412.rs:11:24 + --> $DIR/keyword-self-lifetime-error-10412.rs:13:24 | LL | fn serialize(val: &'self str) -> Vec<u8> { | ^^^^^ error: lifetimes cannot use keyword names - --> $DIR/issue-10412.rs:15:37 + --> $DIR/keyword-self-lifetime-error-10412.rs:17:37 | LL | fn deserialize(repr: &[u8]) -> &'self str { | ^^^^^ error[E0726]: implicit elided lifetime not allowed here - --> $DIR/issue-10412.rs:7:13 + --> $DIR/keyword-self-lifetime-error-10412.rs:9:13 | LL | impl<'self> Serializable<str> for &'self str { | ^^^^^^^^^^^^^^^^^ expected lifetime parameter diff --git a/tests/ui/issues/issue-10902.rs b/tests/ui/lifetimes/tuple-struct-vs-struct-with-fields-borrowck-10902.rs index 7cdf8808aa0..97c0d0bf554 100644 --- a/tests/ui/issues/issue-10902.rs +++ b/tests/ui/lifetimes/tuple-struct-vs-struct-with-fields-borrowck-10902.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/10902 + //@ check-pass #![allow(dead_code)] diff --git a/tests/ui/issues/issue-10853.rs b/tests/ui/lint/missing-doc-unsugard-doc-attr-10853.rs index 4c22393d9c0..ec13ae99787 100644 --- a/tests/ui/issues/issue-10853.rs +++ b/tests/ui/lint/missing-doc-unsugard-doc-attr-10853.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/10853 + //@ check-pass #![deny(missing_docs)] diff --git a/tests/ui/issues/issue-10638.rs b/tests/ui/parser/doc-comment-parsing.rs index c6c6939bda5..00f6b0e09a8 100644 --- a/tests/ui/issues/issue-10638.rs +++ b/tests/ui/parser/doc-comment-parsing.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/10638 + //@ run-pass pub fn main() { diff --git a/tests/ui/issues/issue-10683.rs b/tests/ui/pattern/premature-match-scrutinee-temporary-drop-10683.rs index 5657ec1864b..a4dfa56117c 100644 --- a/tests/ui/issues/issue-10683.rs +++ b/tests/ui/pattern/premature-match-scrutinee-temporary-drop-10683.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/10683 + //@ run-pass static NAME: &'static str = "hello world"; diff --git a/tests/ui/issues/issue-10545.rs b/tests/ui/privacy/struct-field-and-impl-expose-10545.rs index acd07149619..8a8c8240c2d 100644 --- a/tests/ui/issues/issue-10545.rs +++ b/tests/ui/privacy/struct-field-and-impl-expose-10545.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/10545 + mod a { struct S; impl S { } diff --git a/tests/ui/issues/issue-10545.stderr b/tests/ui/privacy/struct-field-and-impl-expose-10545.stderr index 9aa04217174..ddf87d1d23a 100644 --- a/tests/ui/issues/issue-10545.stderr +++ b/tests/ui/privacy/struct-field-and-impl-expose-10545.stderr @@ -1,11 +1,11 @@ error[E0603]: struct `S` is private - --> $DIR/issue-10545.rs:6:14 + --> $DIR/struct-field-and-impl-expose-10545.rs:8:14 | LL | fn foo(_: a::S) { | ^ private struct | note: the struct `S` is defined here - --> $DIR/issue-10545.rs:2:5 + --> $DIR/struct-field-and-impl-expose-10545.rs:4:5 | LL | struct S; | ^^^^^^^^^ diff --git a/tests/ui/issues/issue-11267.rs b/tests/ui/structs/mutable-unit-struct-borrow-11267.rs index 036ad1d54ed..d96c4a4e79b 100644 --- a/tests/ui/issues/issue-11267.rs +++ b/tests/ui/structs/mutable-unit-struct-borrow-11267.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/11267 + //@ run-pass // Tests that unary structs can be mutably borrowed. diff --git a/tests/ui/issues/issue-10456.rs b/tests/ui/traits/blanket-impl-trait-object-10456.rs index 51c740fd729..f8421431774 100644 --- a/tests/ui/issues/issue-10456.rs +++ b/tests/ui/traits/blanket-impl-trait-object-10456.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/10456 + //@ check-pass pub struct Foo; diff --git a/tests/ui/issues/issue-10465.rs b/tests/ui/traits/nested-mod-trait-method-lookup-leak-10465.rs index d899c3ffa91..d5a500900ff 100644 --- a/tests/ui/issues/issue-10465.rs +++ b/tests/ui/traits/nested-mod-trait-method-lookup-leak-10465.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/10465 + pub mod a { pub trait A { fn foo(&self); diff --git a/tests/ui/issues/issue-10465.stderr b/tests/ui/traits/nested-mod-trait-method-lookup-leak-10465.stderr index 0f46ebe505a..ffd8fd39250 100644 --- a/tests/ui/issues/issue-10465.stderr +++ b/tests/ui/traits/nested-mod-trait-method-lookup-leak-10465.stderr @@ -1,5 +1,5 @@ error[E0599]: no method named `foo` found for reference `&B` in the current scope - --> $DIR/issue-10465.rs:17:15 + --> $DIR/nested-mod-trait-method-lookup-leak-10465.rs:19:15 | LL | b.foo(); | ^^^ method not found in `&B` diff --git a/tests/ui/issues/issue-102964.rs b/tests/ui/type-alias/dummy-binder-102964.rs index 43ff2360076..6b6fa3ed5e3 100644 --- a/tests/ui/issues/issue-102964.rs +++ b/tests/ui/type-alias/dummy-binder-102964.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/102964 + use std::rc::Rc; type Foo<'a, T> = &'a dyn Fn(&T); type RcFoo<'a, T> = Rc<Foo<'a, T>>; diff --git a/tests/ui/issues/issue-102964.stderr b/tests/ui/type-alias/dummy-binder-102964.stderr index 0e2761f3f57..fc32cabaf71 100644 --- a/tests/ui/issues/issue-102964.stderr +++ b/tests/ui/type-alias/dummy-binder-102964.stderr @@ -1,5 +1,5 @@ error[E0308]: mismatched types - --> $DIR/issue-102964.rs:5:41 + --> $DIR/dummy-binder-102964.rs:7:41 | LL | fn bar_function<T>(function: Foo<T>) -> RcFoo<T> { | ------------ ^^^^^^^^ expected `Rc<&dyn Fn(&T)>`, found `()` diff --git a/tests/ui/issues/issue-11047.rs b/tests/ui/type-alias/static-method-type-alias-11047.rs index 6e1b2856afc..efb336fb4f7 100644 --- a/tests/ui/issues/issue-11047.rs +++ b/tests/ui/type-alias/static-method-type-alias-11047.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/11047 + //@ run-pass // Test that static methods can be invoked on `type` aliases diff --git a/tests/ui/issues/issue-11004.rs b/tests/ui/unsafe/raw-pointer-field-access-error.rs index 0c34554c12d..04b45b2d3c6 100644 --- a/tests/ui/issues/issue-11004.rs +++ b/tests/ui/unsafe/raw-pointer-field-access-error.rs @@ -1,3 +1,5 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/11004 + use std::mem; struct A { x: i32, y: f64 } diff --git a/tests/ui/issues/issue-11004.stderr b/tests/ui/unsafe/raw-pointer-field-access-error.stderr index 6d157c91130..e9a205a5fa6 100644 --- a/tests/ui/issues/issue-11004.stderr +++ b/tests/ui/unsafe/raw-pointer-field-access-error.stderr @@ -1,5 +1,5 @@ error[E0609]: no field `x` on type `*mut A` - --> $DIR/issue-11004.rs:7:21 + --> $DIR/raw-pointer-field-access-error.rs:9:21 | LL | let x : i32 = n.x; | ^ unknown field @@ -10,7 +10,7 @@ LL | let x : i32 = (*n).x; | ++ + error[E0609]: no field `y` on type `*mut A` - --> $DIR/issue-11004.rs:8:21 + --> $DIR/raw-pointer-field-access-error.rs:10:21 | LL | let y : f64 = n.y; | ^ unknown field |