diff options
28 files changed, 465 insertions, 63 deletions
diff --git a/compiler/rustc_ast/src/ast.rs b/compiler/rustc_ast/src/ast.rs index 97e07095875..984b280e81b 100644 --- a/compiler/rustc_ast/src/ast.rs +++ b/compiler/rustc_ast/src/ast.rs @@ -2849,7 +2849,7 @@ impl InlineAsmOperand { } } -#[derive(Clone, Copy, Encodable, Decodable, Debug, HashStable_Generic, Walkable)] +#[derive(Clone, Copy, Encodable, Decodable, Debug, HashStable_Generic, Walkable, PartialEq, Eq)] pub enum AsmMacro { /// The `asm!` macro Asm, diff --git a/compiler/rustc_errors/src/markdown/term.rs b/compiler/rustc_errors/src/markdown/term.rs index 579e00b8b85..fe1d80bdbe8 100644 --- a/compiler/rustc_errors/src/markdown/term.rs +++ b/compiler/rustc_errors/src/markdown/term.rs @@ -18,7 +18,7 @@ thread_local! { pub(crate) fn entrypoint(stream: &MdStream<'_>, buf: &mut Buffer) -> io::Result<()> { #[cfg(not(test))] if let Some((w, _)) = termize::dimensions() { - WIDTH.with(|c| c.set(std::cmp::min(w, DEFAULT_COLUMN_WIDTH))); + WIDTH.set(std::cmp::min(w, DEFAULT_COLUMN_WIDTH)); } write_stream(stream, buf, None, 0)?; buf.write_all(b"\n") @@ -84,7 +84,7 @@ fn write_tt(tt: &MdTree<'_>, buf: &mut Buffer, indent: usize) -> io::Result<()> reset_cursor(); } MdTree::HorizontalRule => { - (0..WIDTH.with(Cell::get)).for_each(|_| buf.write_all(b"-").unwrap()); + (0..WIDTH.get()).for_each(|_| buf.write_all(b"-").unwrap()); reset_cursor(); } MdTree::Heading(n, stream) => { @@ -121,7 +121,7 @@ fn write_tt(tt: &MdTree<'_>, buf: &mut Buffer, indent: usize) -> io::Result<()> /// End of that block, just wrap the line fn reset_cursor() { - CURSOR.with(|cur| cur.set(0)); + CURSOR.set(0); } /// Change to be generic on Write for testing. If we have a link URL, we don't @@ -144,7 +144,7 @@ fn write_wrapping<B: io::Write>( buf.write_all(ind_ws)?; cur.set(indent); } - let ch_count = WIDTH.with(Cell::get) - cur.get(); + let ch_count = WIDTH.get() - cur.get(); let mut iter = to_write.char_indices(); let Some((end_idx, _ch)) = iter.nth(ch_count) else { // Write entire line diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs index eb4c3703dbd..bf128b5914f 100644 --- a/compiler/rustc_lint/src/builtin.rs +++ b/compiler/rustc_lint/src/builtin.rs @@ -2870,7 +2870,7 @@ impl<'tcx> LateLintPass<'tcx> for AsmLabels { if let hir::Expr { kind: hir::ExprKind::InlineAsm(hir::InlineAsm { - asm_macro: AsmMacro::Asm | AsmMacro::NakedAsm, + asm_macro: asm_macro @ (AsmMacro::Asm | AsmMacro::NakedAsm), template_strs, options, .. @@ -2878,6 +2878,15 @@ impl<'tcx> LateLintPass<'tcx> for AsmLabels { .. } = expr { + // Non-generic naked functions are allowed to define arbitrary + // labels. + if *asm_macro == AsmMacro::NakedAsm { + let def_id = expr.hir_id.owner.def_id; + if !cx.tcx.generics_of(def_id).requires_monomorphization(cx.tcx) { + return; + } + } + // asm with `options(raw)` does not do replacement with `{` and `}`. let raw = options.contains(InlineAsmOptions::RAW); diff --git a/compiler/rustc_lint/src/late.rs b/compiler/rustc_lint/src/late.rs index c681deea779..ccfba715a1b 100644 --- a/compiler/rustc_lint/src/late.rs +++ b/compiler/rustc_lint/src/late.rs @@ -356,7 +356,16 @@ pub fn late_lint_mod<'tcx, T: LateLintPass<'tcx> + 'tcx>( let store = unerased_lint_store(tcx.sess); if store.late_module_passes.is_empty() { - late_lint_mod_inner(tcx, module_def_id, context, builtin_lints); + // If all builtin lints can be skipped, there is no point in running `late_lint_mod_inner` + // at all. This happens often for dependencies built with `--cap-lints=allow`. + let dont_need_to_run = tcx.lints_that_dont_need_to_run(()); + let can_skip_lints = builtin_lints + .get_lints() + .iter() + .all(|lint| dont_need_to_run.contains(&LintId::of(lint))); + if !can_skip_lints { + late_lint_mod_inner(tcx, module_def_id, context, builtin_lints); + } } else { let builtin_lints = Box::new(builtin_lints) as Box<dyn LateLintPass<'tcx>>; let mut binding = store diff --git a/compiler/rustc_lint/src/passes.rs b/compiler/rustc_lint/src/passes.rs index affea1b80ec..191eb721b34 100644 --- a/compiler/rustc_lint/src/passes.rs +++ b/compiler/rustc_lint/src/passes.rs @@ -92,7 +92,7 @@ macro_rules! expand_combined_late_lint_pass_methods { /// Combines multiple lints passes into a single lint pass, at compile time, /// for maximum speed. Each `check_foo` method in `$methods` within this pass /// simply calls `check_foo` once per `$pass`. Compare with -/// `LateLintPassObjects`, which is similar, but combines lint passes at +/// `RuntimeCombinedLateLintPass`, which is similar, but combines lint passes at /// runtime. #[macro_export] macro_rules! declare_combined_late_lint_pass { @@ -123,10 +123,10 @@ macro_rules! declare_combined_late_lint_pass { #[allow(rustc::lint_pass_impl_without_macro)] impl $crate::LintPass for $name { fn name(&self) -> &'static str { - panic!() + stringify!($name) } fn get_lints(&self) -> LintVec { - panic!() + $name::get_lints() } } ) diff --git a/compiler/rustc_lint/src/unused.rs b/compiler/rustc_lint/src/unused.rs index a9eb1739f7f..df9f3a500d9 100644 --- a/compiler/rustc_lint/src/unused.rs +++ b/compiler/rustc_lint/src/unused.rs @@ -1340,7 +1340,15 @@ impl EarlyLintPass for UnusedParens { self.with_self_ty_parens = false; } ast::TyKind::Ref(_, mut_ty) | ast::TyKind::Ptr(mut_ty) => { - self.in_no_bounds_pos.insert(mut_ty.ty.id, NoBoundsException::OneBound); + // If this type itself appears in no-bounds position, we propagate its + // potentially tighter constraint or risk a false posive (issue 143653). + let own_constraint = self.in_no_bounds_pos.get(&ty.id); + let constraint = match own_constraint { + Some(NoBoundsException::None) => NoBoundsException::None, + Some(NoBoundsException::OneBound) => NoBoundsException::OneBound, + None => NoBoundsException::OneBound, + }; + self.in_no_bounds_pos.insert(mut_ty.ty.id, constraint); } ast::TyKind::TraitObject(bounds, _) | ast::TyKind::ImplTrait(_, bounds) => { for i in 0..bounds.len() { diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index 9ee64df0ad0..fd4472e1f96 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -86,7 +86,7 @@ macro_rules! define_helper { impl $helper { pub fn new() -> $helper { - $helper($tl.with(|c| c.replace(true))) + $helper($tl.replace(true)) } } @@ -100,12 +100,12 @@ macro_rules! define_helper { impl Drop for $helper { fn drop(&mut self) { - $tl.with(|c| c.set(self.0)) + $tl.set(self.0) } } pub fn $name() -> bool { - $tl.with(|c| c.get()) + $tl.get() } )+ } diff --git a/compiler/rustc_mir_build/messages.ftl b/compiler/rustc_mir_build/messages.ftl index e339520cd86..abfe8eb66dd 100644 --- a/compiler/rustc_mir_build/messages.ftl +++ b/compiler/rustc_mir_build/messages.ftl @@ -86,10 +86,16 @@ mir_build_confused = missing patterns are not covered because `{$variable}` is i mir_build_const_continue_bad_const = could not determine the target branch for this `#[const_continue]` .label = this value is too generic - .note = the value must be a literal or a monomorphic const mir_build_const_continue_missing_value = a `#[const_continue]` must break to a label with a value +mir_build_const_continue_not_const = could not determine the target branch for this `#[const_continue]` + .help = try extracting the expression into a `const` item + +mir_build_const_continue_not_const_const_block = `const` blocks may use generics, and are not evaluated early enough +mir_build_const_continue_not_const_const_other = this value must be a literal or a monomorphic const +mir_build_const_continue_not_const_constant_parameter = constant parameters may use generics, and are not evaluated early enough + mir_build_const_continue_unknown_jump_target = the target of this `#[const_continue]` is not statically known .label = this value must be a literal or a monomorphic const diff --git a/compiler/rustc_mir_build/src/builder/scope.rs b/compiler/rustc_mir_build/src/builder/scope.rs index 12a56d7c5ea..1240b34cf9d 100644 --- a/compiler/rustc_mir_build/src/builder/scope.rs +++ b/compiler/rustc_mir_build/src/builder/scope.rs @@ -100,7 +100,9 @@ use tracing::{debug, instrument}; use super::matches::BuiltMatchTree; use crate::builder::{BlockAnd, BlockAndExtension, BlockFrame, Builder, CFG}; -use crate::errors::{ConstContinueBadConst, ConstContinueUnknownJumpTarget}; +use crate::errors::{ + ConstContinueBadConst, ConstContinueNotMonomorphicConst, ConstContinueUnknownJumpTarget, +}; #[derive(Debug)] pub(crate) struct Scopes<'tcx> { @@ -867,7 +869,8 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { span_bug!(span, "break value must be a scope") }; - let constant = match &self.thir[value].kind { + let expr = &self.thir[value]; + let constant = match &expr.kind { ExprKind::Adt(box AdtExpr { variant_index, fields, base, .. }) => { assert!(matches!(base, AdtExprBase::None)); assert!(fields.is_empty()); @@ -887,7 +890,27 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { ), } } - _ => self.as_constant(&self.thir[value]), + + ExprKind::Literal { .. } + | ExprKind::NonHirLiteral { .. } + | ExprKind::ZstLiteral { .. } + | ExprKind::NamedConst { .. } => self.as_constant(&self.thir[value]), + + other => { + use crate::errors::ConstContinueNotMonomorphicConstReason as Reason; + + let span = expr.span; + let reason = match other { + ExprKind::ConstParam { .. } => Reason::ConstantParameter { span }, + ExprKind::ConstBlock { .. } => Reason::ConstBlock { span }, + _ => Reason::Other { span }, + }; + + self.tcx + .dcx() + .emit_err(ConstContinueNotMonomorphicConst { span: expr.span, reason }); + return block.unit(); + } }; let break_index = self diff --git a/compiler/rustc_mir_build/src/errors.rs b/compiler/rustc_mir_build/src/errors.rs index 16b49bf384c..f1fbd5c4a49 100644 --- a/compiler/rustc_mir_build/src/errors.rs +++ b/compiler/rustc_mir_build/src/errors.rs @@ -1214,6 +1214,38 @@ pub(crate) struct LoopMatchArmWithGuard { } #[derive(Diagnostic)] +#[diag(mir_build_const_continue_not_const)] +#[help] +pub(crate) struct ConstContinueNotMonomorphicConst { + #[primary_span] + pub span: Span, + + #[subdiagnostic] + pub reason: ConstContinueNotMonomorphicConstReason, +} + +#[derive(Subdiagnostic)] +pub(crate) enum ConstContinueNotMonomorphicConstReason { + #[label(mir_build_const_continue_not_const_constant_parameter)] + ConstantParameter { + #[primary_span] + span: Span, + }, + + #[label(mir_build_const_continue_not_const_const_block)] + ConstBlock { + #[primary_span] + span: Span, + }, + + #[label(mir_build_const_continue_not_const_const_other)] + Other { + #[primary_span] + span: Span, + }, +} + +#[derive(Diagnostic)] #[diag(mir_build_const_continue_bad_const)] pub(crate) struct ConstContinueBadConst { #[primary_span] diff --git a/compiler/rustc_query_system/src/query/plumbing.rs b/compiler/rustc_query_system/src/query/plumbing.rs index 06e59eb4ccc..e74de5edc42 100644 --- a/compiler/rustc_query_system/src/query/plumbing.rs +++ b/compiler/rustc_query_system/src/query/plumbing.rs @@ -720,7 +720,7 @@ fn incremental_verify_ich_failed<Tcx>( static INSIDE_VERIFY_PANIC: Cell<bool> = const { Cell::new(false) }; }; - let old_in_panic = INSIDE_VERIFY_PANIC.with(|in_panic| in_panic.replace(true)); + let old_in_panic = INSIDE_VERIFY_PANIC.replace(true); if old_in_panic { tcx.sess().dcx().emit_err(crate::error::Reentrant); @@ -739,7 +739,7 @@ fn incremental_verify_ich_failed<Tcx>( panic!("Found unstable fingerprints for {dep_node:?}: {}", result()); } - INSIDE_VERIFY_PANIC.with(|in_panic| in_panic.set(old_in_panic)); + INSIDE_VERIFY_PANIC.set(old_in_panic); } /// Ensure that either this query has all green inputs or been executed. diff --git a/library/Cargo.lock b/library/Cargo.lock index 94155e08398..c23c234c3f0 100644 --- a/library/Cargo.lock +++ b/library/Cargo.lock @@ -90,11 +90,10 @@ dependencies = [ [[package]] name = "fortanix-sgx-abi" -version = "0.5.0" +version = "0.6.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "57cafc2274c10fab234f176b25903ce17e690fca7597090d50880e047a0389c5" +checksum = "5efc85edd5b83e8394f4371dd0da6859dff63dd387dab8568fece6af4cde6f84" dependencies = [ - "compiler_builtins", "rustc-std-workspace-core", ] diff --git a/library/std/Cargo.toml b/library/std/Cargo.toml index ba1e1f5218a..6e23c01a25d 100644 --- a/library/std/Cargo.toml +++ b/library/std/Cargo.toml @@ -66,7 +66,7 @@ rand_xorshift = "0.4.0" dlmalloc = { version = "0.2.4", features = ['rustc-dep-of-std'] } [target.x86_64-fortanix-unknown-sgx.dependencies] -fortanix-sgx-abi = { version = "0.5.0", features = [ +fortanix-sgx-abi = { version = "0.6.1", features = [ 'rustc-dep-of-std', ], public = true } diff --git a/library/std/src/sys/pal/sgx/abi/usercalls/mod.rs b/library/std/src/sys/pal/sgx/abi/usercalls/mod.rs index dea44124f45..5041770faf6 100644 --- a/library/std/src/sys/pal/sgx/abi/usercalls/mod.rs +++ b/library/std/src/sys/pal/sgx/abi/usercalls/mod.rs @@ -267,7 +267,7 @@ pub fn send(event_set: u64, tcs: Option<Tcs>) -> IoResult<()> { /// Usercall `insecure_time`. See the ABI documentation for more information. #[unstable(feature = "sgx_platform", issue = "56975")] pub fn insecure_time() -> Duration { - let t = unsafe { raw::insecure_time() }; + let t = unsafe { raw::insecure_time().0 }; Duration::new(t / 1_000_000_000, (t % 1_000_000_000) as _) } diff --git a/library/std/src/thread/mod.rs b/library/std/src/thread/mod.rs index 6075173db47..8cd1e0163a1 100644 --- a/library/std/src/thread/mod.rs +++ b/library/std/src/thread/mod.rs @@ -1399,6 +1399,11 @@ where } /// The internal representation of a `Thread` handle +/// +/// We explicitly set the alignment for our guarantee in Thread::into_raw. This +/// allows applications to stuff extra metadata bits into the alignment, which +/// can be rather useful when working with atomics. +#[repr(align(8))] struct Inner { name: Option<ThreadNameString>, id: ThreadId, @@ -1582,7 +1587,8 @@ impl Thread { /// Consumes the `Thread`, returning a raw pointer. /// /// To avoid a memory leak the pointer must be converted - /// back into a `Thread` using [`Thread::from_raw`]. + /// back into a `Thread` using [`Thread::from_raw`]. The pointer is + /// guaranteed to be aligned to at least 8 bytes. /// /// # Examples /// diff --git a/src/librustdoc/html/static/js/main.js b/src/librustdoc/html/static/js/main.js index 3c4af0dc612..8e3d07b3a1c 100644 --- a/src/librustdoc/html/static/js/main.js +++ b/src/librustdoc/html/static/js/main.js @@ -568,7 +568,11 @@ function preLoadCss(cssUrl) { break; case "-": ev.preventDefault(); - collapseAllDocs(); + collapseAllDocs(false); + break; + case "_": + ev.preventDefault(); + collapseAllDocs(true); break; case "?": @@ -1038,11 +1042,14 @@ function preLoadCss(cssUrl) { innerToggle.children[0].innerText = "Summary"; } - function collapseAllDocs() { + /** + * @param {boolean} collapseImpls - also collapse impl blocks if set to true + */ + function collapseAllDocs(collapseImpls) { const innerToggle = document.getElementById(toggleAllDocsId); addClass(innerToggle, "will-expand"); onEachLazy(document.getElementsByClassName("toggle"), e => { - if (e.parentNode.id !== "implementations-list" || + if ((collapseImpls || e.parentNode.id !== "implementations-list") || (!hasClass(e, "implementors-toggle") && !hasClass(e, "type-contents-toggle")) ) { @@ -1053,7 +1060,10 @@ function preLoadCss(cssUrl) { innerToggle.children[0].innerText = "Show all"; } - function toggleAllDocs() { + /** + * @param {MouseEvent=} ev + */ + function toggleAllDocs(ev) { const innerToggle = document.getElementById(toggleAllDocsId); if (!innerToggle) { return; @@ -1061,7 +1071,7 @@ function preLoadCss(cssUrl) { if (hasClass(innerToggle, "will-expand")) { expandAllDocs(); } else { - collapseAllDocs(); + collapseAllDocs(ev !== undefined && ev.shiftKey); } } @@ -1519,6 +1529,10 @@ function preLoadCss(cssUrl) { ["⏎", "Go to active search result"], ["+", "Expand all sections"], ["-", "Collapse all sections"], + // for the sake of brevity, we don't say "inherint impl blocks", + // although that would be more correct, + // since trait impl blocks are collapsed by - + ["_", "Collapse all sections, including impl blocks"], ].map(x => "<dt>" + x[0].split(" ") .map((y, index) => ((index & 1) === 0 ? "<kbd>" + y + "</kbd>" : " " + y + " ")) diff --git a/src/librustdoc/html/static/js/storage.js b/src/librustdoc/html/static/js/storage.js index 76113726894..ca13b891638 100644 --- a/src/librustdoc/html/static/js/storage.js +++ b/src/librustdoc/html/static/js/storage.js @@ -418,7 +418,9 @@ class RustdocToolbarElement extends HTMLElement { <div id="help-button" tabindex="-1"> <a href="${rootPath}help.html"><span class="label">Help</span></a> </div> - <button id="toggle-all-docs"><span class="label">Summary</span></button>`; + <button id="toggle-all-docs" +title="Collapse sections (shift-click to also collapse impl blocks)"><span +class="label">Summary</span></button>`; } } window.customElements.define("rustdoc-toolbar", RustdocToolbarElement); diff --git a/src/tools/compiletest/src/directives.rs b/src/tools/compiletest/src/directives.rs index 1397c87ab07..8dc3a46d6dd 100644 --- a/src/tools/compiletest/src/directives.rs +++ b/src/tools/compiletest/src/directives.rs @@ -861,6 +861,7 @@ const KNOWN_DIRECTIVE_NAMES: &[&str] = &[ "ignore-openbsd", "ignore-pass", "ignore-powerpc", + "ignore-powerpc64", "ignore-remote", "ignore-riscv64", "ignore-rustc-debug-assertions", diff --git a/tests/debuginfo/basic-types-globals-metadata.rs b/tests/debuginfo/basic-types-globals-metadata.rs index 53fc550a2dc..aec8ff183ad 100644 --- a/tests/debuginfo/basic-types-globals-metadata.rs +++ b/tests/debuginfo/basic-types-globals-metadata.rs @@ -59,7 +59,12 @@ static mut F64: f64 = 3.5; fn main() { _zzz(); // #break - let a = unsafe { (B, I, C, I8, I16, I32, I64, U, U8, U16, U32, U64, F16, F32, F64) }; + let a = unsafe { (B, I, C, I8, I16, I32, I64, U, U8, U16, U32, U64, F32, F64) }; + // FIXME: Including f16 and f32 in the same tuple emits `__gnu_h2f_ieee`, which + // does not exist on some targets like PowerPC. + // See https://github.com/llvm/llvm-project/issues/97981 and + // https://github.com/rust-lang/compiler-builtins/issues/655 + let b = unsafe { F16 }; } fn _zzz() {()} diff --git a/tests/debuginfo/basic-types-globals.rs b/tests/debuginfo/basic-types-globals.rs index 41b69939650..15a0deb64c1 100644 --- a/tests/debuginfo/basic-types-globals.rs +++ b/tests/debuginfo/basic-types-globals.rs @@ -63,7 +63,12 @@ static mut F64: f64 = 3.5; fn main() { _zzz(); // #break - let a = unsafe { (B, I, C, I8, I16, I32, I64, U, U8, U16, U32, U64, F16, F32, F64) }; + let a = unsafe { (B, I, C, I8, I16, I32, I64, U, U8, U16, U32, U64, F32, F64) }; + // FIXME: Including f16 and f32 in the same tuple emits `__gnu_h2f_ieee`, which + // does not exist on some targets like PowerPC. + // See https://github.com/llvm/llvm-project/issues/97981 and + // https://github.com/rust-lang/compiler-builtins/issues/655 + let b = unsafe { F16 }; } fn _zzz() {()} diff --git a/tests/debuginfo/by-value-non-immediate-argument.rs b/tests/debuginfo/by-value-non-immediate-argument.rs index 5233b95f1f4..deacea5f6cc 100644 --- a/tests/debuginfo/by-value-non-immediate-argument.rs +++ b/tests/debuginfo/by-value-non-immediate-argument.rs @@ -3,6 +3,7 @@ //@ compile-flags:-g //@ ignore-windows-gnu: #128973 //@ ignore-aarch64-unknown-linux-gnu (gdb tries to read from 0x0; FIXME: #128973) +//@ ignore-powerpc64: #128973 on both -gnu and -musl // === GDB TESTS =================================================================================== diff --git a/tests/ui/asm/named-asm-labels.rs b/tests/ui/asm/named-asm-labels.rs index 996fb82a944..e78553fd775 100644 --- a/tests/ui/asm/named-asm-labels.rs +++ b/tests/ui/asm/named-asm-labels.rs @@ -171,12 +171,10 @@ fn main() { } } -// Trigger on naked fns too, even though they can't be inlined, reusing a -// label or LTO can cause labels to break +// Don't trigger on naked functions. #[unsafe(naked)] pub extern "C" fn foo() -> i32 { naked_asm!(".Lfoo: mov rax, {}; ret;", "nop", const 1) - //~^ ERROR avoid using named labels } // Make sure that non-naked attributes *do* still let the lint happen @@ -190,7 +188,18 @@ pub extern "C" fn bar() { pub extern "C" fn aaa() { fn _local() {} - naked_asm!(".Laaa: nop; ret;") //~ ERROR avoid using named labels + naked_asm!(".Laaa: nop; ret;") +} + +#[unsafe(naked)] +pub extern "C" fn bbb<'a>(a: &'a u32) { + naked_asm!(".Lbbb: nop; ret;") +} + +#[unsafe(naked)] +pub extern "C" fn ccc<T>(a: &T) { + naked_asm!(".Lccc: nop; ret;") + //~^ ERROR avoid using named labels } pub fn normal() { @@ -200,7 +209,7 @@ pub fn normal() { pub extern "C" fn bbb() { fn _very_local() {} - naked_asm!(".Lbbb: nop; ret;") //~ ERROR avoid using named labels + naked_asm!(".Lbbb: nop; ret;") } fn _local2() {} @@ -230,3 +239,10 @@ fn closures() { // Don't trigger on global asm global_asm!("aaaaaaaa: nop"); + +trait Foo { + #[unsafe(naked)] + extern "C" fn bbb<'a>(a: &'a u32) { + naked_asm!(".Lbbb: nop; ret;") //~ ERROR avoid using named labels + } +} diff --git a/tests/ui/asm/named-asm-labels.stderr b/tests/ui/asm/named-asm-labels.stderr index cd7e7a08c1d..9ba9e14de3a 100644 --- a/tests/ui/asm/named-asm-labels.stderr +++ b/tests/ui/asm/named-asm-labels.stderr @@ -475,16 +475,7 @@ LL | #[warn(named_asm_labels)] | ^^^^^^^^^^^^^^^^ error: avoid using named labels in inline assembly - --> $DIR/named-asm-labels.rs:178:17 - | -LL | naked_asm!(".Lfoo: mov rax, {}; ret;", "nop", const 1) - | ^^^^^ - | - = help: only local labels of the form `<number>:` should be used in inline asm - = note: see the asm section of Rust By Example <https://doc.rust-lang.org/nightly/rust-by-example/unsafe/asm.html#labels> for more information - -error: avoid using named labels in inline assembly - --> $DIR/named-asm-labels.rs:185:20 + --> $DIR/named-asm-labels.rs:183:20 | LL | unsafe { asm!(".Lbar: mov rax, {}; ret;", "nop", const 1, options(noreturn)) } | ^^^^^ @@ -493,49 +484,49 @@ LL | unsafe { asm!(".Lbar: mov rax, {}; ret;", "nop", const 1, options(noret = note: see the asm section of Rust By Example <https://doc.rust-lang.org/nightly/rust-by-example/unsafe/asm.html#labels> for more information error: avoid using named labels in inline assembly - --> $DIR/named-asm-labels.rs:193:17 + --> $DIR/named-asm-labels.rs:201:17 | -LL | naked_asm!(".Laaa: nop; ret;") +LL | naked_asm!(".Lccc: nop; ret;") | ^^^^^ | = help: only local labels of the form `<number>:` should be used in inline asm = note: see the asm section of Rust By Example <https://doc.rust-lang.org/nightly/rust-by-example/unsafe/asm.html#labels> for more information error: avoid using named labels in inline assembly - --> $DIR/named-asm-labels.rs:203:21 + --> $DIR/named-asm-labels.rs:221:15 | -LL | naked_asm!(".Lbbb: nop; ret;") - | ^^^^^ +LL | asm!("closure1: nop"); + | ^^^^^^^^ | = help: only local labels of the form `<number>:` should be used in inline asm = note: see the asm section of Rust By Example <https://doc.rust-lang.org/nightly/rust-by-example/unsafe/asm.html#labels> for more information error: avoid using named labels in inline assembly - --> $DIR/named-asm-labels.rs:212:15 + --> $DIR/named-asm-labels.rs:225:15 | -LL | asm!("closure1: nop"); +LL | asm!("closure2: nop"); | ^^^^^^^^ | = help: only local labels of the form `<number>:` should be used in inline asm = note: see the asm section of Rust By Example <https://doc.rust-lang.org/nightly/rust-by-example/unsafe/asm.html#labels> for more information error: avoid using named labels in inline assembly - --> $DIR/named-asm-labels.rs:216:15 + --> $DIR/named-asm-labels.rs:235:19 | -LL | asm!("closure2: nop"); - | ^^^^^^^^ +LL | asm!("closure3: nop"); + | ^^^^^^^^ | = help: only local labels of the form `<number>:` should be used in inline asm = note: see the asm section of Rust By Example <https://doc.rust-lang.org/nightly/rust-by-example/unsafe/asm.html#labels> for more information error: avoid using named labels in inline assembly - --> $DIR/named-asm-labels.rs:226:19 + --> $DIR/named-asm-labels.rs:246:21 | -LL | asm!("closure3: nop"); - | ^^^^^^^^ +LL | naked_asm!(".Lbbb: nop; ret;") + | ^^^^^ | = help: only local labels of the form `<number>:` should be used in inline asm = note: see the asm section of Rust By Example <https://doc.rust-lang.org/nightly/rust-by-example/unsafe/asm.html#labels> for more information -error: aborting due to 56 previous errors; 1 warning emitted +error: aborting due to 55 previous errors; 1 warning emitted diff --git a/tests/ui/lint/unused/unused-parens-false-positive-issue-143653.fixed b/tests/ui/lint/unused/unused-parens-false-positive-issue-143653.fixed new file mode 100644 index 00000000000..4b0bca3d44a --- /dev/null +++ b/tests/ui/lint/unused/unused-parens-false-positive-issue-143653.fixed @@ -0,0 +1,12 @@ +//@ run-rustfix + +#![deny(unused_parens)] +#![allow(warnings)] +trait MyTrait {} + +fn foo(_: Box<dyn FnMut(&mut u32) -> &mut (dyn MyTrait) + Send + Sync>) {} + +//~v ERROR unnecessary parentheses around type +fn bar(_: Box<dyn FnMut(&mut u32) -> &mut dyn MyTrait>) {} + +fn main() {} diff --git a/tests/ui/lint/unused/unused-parens-false-positive-issue-143653.rs b/tests/ui/lint/unused/unused-parens-false-positive-issue-143653.rs new file mode 100644 index 00000000000..4eefd3dc81a --- /dev/null +++ b/tests/ui/lint/unused/unused-parens-false-positive-issue-143653.rs @@ -0,0 +1,12 @@ +//@ run-rustfix + +#![deny(unused_parens)] +#![allow(warnings)] +trait MyTrait {} + +fn foo(_: Box<dyn FnMut(&mut u32) -> &mut (dyn MyTrait) + Send + Sync>) {} + +//~v ERROR unnecessary parentheses around type +fn bar(_: Box<dyn FnMut(&mut u32) -> &mut (dyn MyTrait)>) {} + +fn main() {} diff --git a/tests/ui/lint/unused/unused-parens-false-positive-issue-143653.stderr b/tests/ui/lint/unused/unused-parens-false-positive-issue-143653.stderr new file mode 100644 index 00000000000..89455e3db73 --- /dev/null +++ b/tests/ui/lint/unused/unused-parens-false-positive-issue-143653.stderr @@ -0,0 +1,19 @@ +error: unnecessary parentheses around type + --> $DIR/unused-parens-false-positive-issue-143653.rs:10:43 + | +LL | fn bar(_: Box<dyn FnMut(&mut u32) -> &mut (dyn MyTrait)>) {} + | ^ ^ + | +note: the lint level is defined here + --> $DIR/unused-parens-false-positive-issue-143653.rs:3:9 + | +LL | #![deny(unused_parens)] + | ^^^^^^^^^^^^^ +help: remove these parentheses + | +LL - fn bar(_: Box<dyn FnMut(&mut u32) -> &mut (dyn MyTrait)>) {} +LL + fn bar(_: Box<dyn FnMut(&mut u32) -> &mut dyn MyTrait>) {} + | + +error: aborting due to 1 previous error + diff --git a/tests/ui/loop-match/suggest-const-item.rs b/tests/ui/loop-match/suggest-const-item.rs new file mode 100644 index 00000000000..f921b430b8c --- /dev/null +++ b/tests/ui/loop-match/suggest-const-item.rs @@ -0,0 +1,174 @@ +#![allow(incomplete_features)] +#![feature(loop_match)] +#![feature(generic_const_items)] +#![crate_type = "lib"] + +const fn const_fn() -> i32 { + 1 +} + +#[unsafe(no_mangle)] +fn suggest_const_block<const N: i32>() -> i32 { + let mut state = 0; + #[loop_match] + loop { + state = 'blk: { + match state { + 0 => { + #[const_continue] + break 'blk const_fn(); + //~^ ERROR could not determine the target branch for this `#[const_continue]` + } + 1 => { + #[const_continue] + break 'blk const { const_fn() }; + //~^ ERROR could not determine the target branch for this `#[const_continue]` + } + 2 => { + #[const_continue] + break 'blk N; + //~^ ERROR could not determine the target branch for this `#[const_continue]` + } + _ => { + #[const_continue] + break 'blk 1 + 1; + //~^ ERROR could not determine the target branch for this `#[const_continue]` + } + } + } + } + state +} + +struct S; + +impl S { + const M: usize = 42; + + fn g() { + let mut state = 0; + #[loop_match] + loop { + state = 'blk: { + match state { + 0 => { + #[const_continue] + break 'blk Self::M; + } + _ => panic!(), + } + } + } + } +} + +trait T { + const N: usize; + + fn f() { + let mut state = 0; + #[loop_match] + loop { + state = 'blk: { + match state { + 0 => { + #[const_continue] + break 'blk Self::N; + //~^ ERROR could not determine the target branch for this `#[const_continue]` + } + _ => panic!(), + } + } + } + } +} + +impl T for S { + const N: usize = 1; +} + +impl S { + fn h() { + let mut state = 0; + #[loop_match] + loop { + state = 'blk: { + match state { + 0 => { + #[const_continue] + break 'blk Self::N; + } + _ => panic!(), + } + } + } + } +} + +trait T2<U> { + const L: u32; + + fn p() { + let mut state = 0; + #[loop_match] + loop { + state = 'blk: { + match state { + 0 => { + #[const_continue] + break 'blk Self::L; + //~^ ERROR could not determine the target branch for this `#[const_continue]` + } + _ => panic!(), + } + } + } + } +} + +const SIZE_OF<T>: usize = size_of::<T>(); + +fn q<T>() { + let mut state = 0; + #[loop_match] + loop { + state = 'blk: { + match state { + 0 => { + #[const_continue] + break 'blk SIZE_OF::<T>; + //~^ ERROR could not determine the target branch for this `#[const_continue]` + } + _ => panic!(), + } + } + } +} + +trait Trait<T> { + const X: usize = 9000; + const Y: usize = size_of::<T>(); +} + +impl<T> Trait<T> for () {} + +fn r<T>() { + let mut state = 0; + #[loop_match] + loop { + state = 'blk: { + match state { + 0 => { + #[const_continue] + break 'blk <() as Trait<T>>::X; + } + 1 => { + #[const_continue] + break 'blk <() as Trait<T>>::Y; + //~^ ERROR could not determine the target branch for this `#[const_continue]` + } + _ => panic!(), + } + } + } +} diff --git a/tests/ui/loop-match/suggest-const-item.stderr b/tests/ui/loop-match/suggest-const-item.stderr new file mode 100644 index 00000000000..787474479ad --- /dev/null +++ b/tests/ui/loop-match/suggest-const-item.stderr @@ -0,0 +1,58 @@ +error: could not determine the target branch for this `#[const_continue]` + --> $DIR/suggest-const-item.rs:19:32 + | +LL | break 'blk const_fn(); + | ^^^^^^^^^^ this value must be a literal or a monomorphic const + | + = help: try extracting the expression into a `const` item + +error: could not determine the target branch for this `#[const_continue]` + --> $DIR/suggest-const-item.rs:24:32 + | +LL | break 'blk const { const_fn() }; + | ^^^^^^^^^^^^^^^^^^^^ `const` blocks may use generics, and are not evaluated early enough + | + = help: try extracting the expression into a `const` item + +error: could not determine the target branch for this `#[const_continue]` + --> $DIR/suggest-const-item.rs:29:32 + | +LL | break 'blk N; + | ^ constant parameters may use generics, and are not evaluated early enough + | + = help: try extracting the expression into a `const` item + +error: could not determine the target branch for this `#[const_continue]` + --> $DIR/suggest-const-item.rs:34:32 + | +LL | break 'blk 1 + 1; + | ^^^^^ this value must be a literal or a monomorphic const + | + = help: try extracting the expression into a `const` item + +error: could not determine the target branch for this `#[const_continue]` + --> $DIR/suggest-const-item.rs:76:36 + | +LL | break 'blk Self::N; + | ^^^^^^^ this value is too generic + +error: could not determine the target branch for this `#[const_continue]` + --> $DIR/suggest-const-item.rs:119:36 + | +LL | break 'blk Self::L; + | ^^^^^^^ this value is too generic + +error: could not determine the target branch for this `#[const_continue]` + --> $DIR/suggest-const-item.rs:139:32 + | +LL | break 'blk SIZE_OF::<T>; + | ^^^^^^^^^^^^ this value is too generic + +error: could not determine the target branch for this `#[const_continue]` + --> $DIR/suggest-const-item.rs:167:32 + | +LL | break 'blk <() as Trait<T>>::Y; + | ^^^^^^^^^^^^^^^^^^^ this value is too generic + +error: aborting due to 8 previous errors + |