diff options
| author | bors <bors@rust-lang.org> | 2022-12-13 22:05:28 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2022-12-13 22:05:28 +0000 |
| commit | 21ee03e0621c70b894e1bfdd8c82ba5aeaabc812 (patch) | |
| tree | 5f852d4bd1f946791f801be0b25b69aa051c9148 | |
| parent | 0f529f0f49f4dd404b78e605398531c96f220fc5 (diff) | |
| parent | e0e9f3a7b79663154e33aa2853c5bd555eb7b129 (diff) | |
| download | rust-21ee03e0621c70b894e1bfdd8c82ba5aeaabc812.tar.gz rust-21ee03e0621c70b894e1bfdd8c82ba5aeaabc812.zip | |
Auto merge of #105667 - matthiaskrgr:rollup-fexlc0b, r=matthiaskrgr
Rollup of 7 pull requests Successful merges: - #105147 (Allow unsafe through inline const) - #105438 (Move some codegen-y methods from `rustc_hir_analysis::collect` -> `rustc_codegen_ssa`) - #105464 (Support #[track_caller] on async closures) - #105476 (Change pattern borrowing suggestions to be verbose and remove invalid suggestion) - #105500 (Make some diagnostics not depend on the source of what they reference being available) - #105628 (Small doc fixes) - #105659 (Don't require owned data in `MaybeStorageLive`) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
354 files changed, 3398 insertions, 3397 deletions
diff --git a/compiler/rustc_ast_lowering/src/expr.rs b/compiler/rustc_ast_lowering/src/expr.rs index 3946aab646a..e86e807279d 100644 --- a/compiler/rustc_ast_lowering/src/expr.rs +++ b/compiler/rustc_ast_lowering/src/expr.rs @@ -31,6 +31,44 @@ impl<'hir> LoweringContext<'_, 'hir> { pub(super) fn lower_expr_mut(&mut self, e: &Expr) -> hir::Expr<'hir> { ensure_sufficient_stack(|| { + match &e.kind { + // Paranthesis expression does not have a HirId and is handled specially. + ExprKind::Paren(ex) => { + let mut ex = self.lower_expr_mut(ex); + // Include parens in span, but only if it is a super-span. + if e.span.contains(ex.span) { + ex.span = self.lower_span(e.span); + } + // Merge attributes into the inner expression. + if !e.attrs.is_empty() { + let old_attrs = + self.attrs.get(&ex.hir_id.local_id).map(|la| *la).unwrap_or(&[]); + self.attrs.insert( + ex.hir_id.local_id, + &*self.arena.alloc_from_iter( + e.attrs + .iter() + .map(|a| self.lower_attr(a)) + .chain(old_attrs.iter().cloned()), + ), + ); + } + return ex; + } + // Desugar `ExprForLoop` + // from: `[opt_ident]: for <pat> in <head> <body>` + // + // This also needs special handling because the HirId of the returned `hir::Expr` will not + // correspond to the `e.id`, so `lower_expr_for` handles attribute lowering itself. + ExprKind::ForLoop(pat, head, body, opt_label) => { + return self.lower_expr_for(e, pat, head, body, *opt_label); + } + _ => (), + } + + let hir_id = self.lower_node_id(e.id); + self.lower_attrs(hir_id, &e.attrs); + let kind = match &e.kind { ExprKind::Box(inner) => hir::ExprKind::Box(self.lower_expr(inner)), ExprKind::Array(exprs) => hir::ExprKind::Array(self.lower_exprs(exprs)), @@ -48,7 +86,6 @@ impl<'hir> LoweringContext<'_, 'hir> { if e.attrs.get(0).map_or(false, |a| a.has_name(sym::rustc_box)) { if let [inner] = &args[..] && e.attrs.len() == 1 { let kind = hir::ExprKind::Box(self.lower_expr(&inner)); - let hir_id = self.lower_node_id(e.id); return hir::Expr { hir_id, kind, span: self.lower_span(e.span) }; } else { self.tcx.sess.emit_err(RustcBoxAttributeError { span: e.span }); @@ -147,7 +184,7 @@ impl<'hir> LoweringContext<'_, 'hir> { ), ExprKind::Async(capture_clause, closure_node_id, block) => self.make_async_expr( *capture_clause, - None, + hir_id, *closure_node_id, None, e.span, @@ -184,6 +221,7 @@ impl<'hir> LoweringContext<'_, 'hir> { binder, *capture_clause, e.id, + hir_id, *closure_id, fn_decl, body, @@ -279,39 +317,12 @@ impl<'hir> LoweringContext<'_, 'hir> { ExprKind::Yield(opt_expr) => self.lower_expr_yield(e.span, opt_expr.as_deref()), ExprKind::Err => hir::ExprKind::Err, ExprKind::Try(sub_expr) => self.lower_expr_try(e.span, sub_expr), - ExprKind::Paren(ex) => { - let mut ex = self.lower_expr_mut(ex); - // Include parens in span, but only if it is a super-span. - if e.span.contains(ex.span) { - ex.span = self.lower_span(e.span); - } - // Merge attributes into the inner expression. - if !e.attrs.is_empty() { - let old_attrs = - self.attrs.get(&ex.hir_id.local_id).map(|la| *la).unwrap_or(&[]); - self.attrs.insert( - ex.hir_id.local_id, - &*self.arena.alloc_from_iter( - e.attrs - .iter() - .map(|a| self.lower_attr(a)) - .chain(old_attrs.iter().cloned()), - ), - ); - } - return ex; - } - // Desugar `ExprForLoop` - // from: `[opt_ident]: for <pat> in <head> <body>` - ExprKind::ForLoop(pat, head, body, opt_label) => { - return self.lower_expr_for(e, pat, head, body, *opt_label); - } + ExprKind::Paren(_) | ExprKind::ForLoop(..) => unreachable!("already handled"), + ExprKind::MacCall(_) => panic!("{:?} shouldn't exist here", e.span), }; - let hir_id = self.lower_node_id(e.id); - self.lower_attrs(hir_id, &e.attrs); hir::Expr { hir_id, kind, span: self.lower_span(e.span) } }) } @@ -576,7 +587,7 @@ impl<'hir> LoweringContext<'_, 'hir> { pub(super) fn make_async_expr( &mut self, capture_clause: CaptureBy, - outer_hir_id: Option<hir::HirId>, + outer_hir_id: hir::HirId, closure_node_id: NodeId, ret_ty: Option<hir::FnRetTy<'hir>>, span: Span, @@ -669,8 +680,9 @@ impl<'hir> LoweringContext<'_, 'hir> { hir::ExprKind::Closure(c) }; - let track_caller = outer_hir_id - .and_then(|id| self.attrs.get(&id.local_id)) + let track_caller = self + .attrs + .get(&outer_hir_id.local_id) .map_or(false, |attrs| attrs.into_iter().any(|attr| attr.has_name(sym::track_caller))); let hir_id = self.lower_node_id(closure_node_id); @@ -985,6 +997,7 @@ impl<'hir> LoweringContext<'_, 'hir> { binder: &ClosureBinder, capture_clause: CaptureBy, closure_id: NodeId, + closure_hir_id: hir::HirId, inner_closure_id: NodeId, decl: &FnDecl, body: &Expr, @@ -1018,9 +1031,7 @@ impl<'hir> LoweringContext<'_, 'hir> { let async_body = this.make_async_expr( capture_clause, - // FIXME(nbdd0121): This should also use a proper HIR id so `#[track_caller]` - // can be applied on async closures as well. - None, + closure_hir_id, inner_closure_id, async_ret_ty, body.span, diff --git a/compiler/rustc_ast_lowering/src/item.rs b/compiler/rustc_ast_lowering/src/item.rs index d73d6d3918e..73065ab5163 100644 --- a/compiler/rustc_ast_lowering/src/item.rs +++ b/compiler/rustc_ast_lowering/src/item.rs @@ -1139,7 +1139,7 @@ impl<'hir> LoweringContext<'_, 'hir> { let async_expr = this.make_async_expr( CaptureBy::Value, - Some(fn_id), + fn_id, closure_id, None, body.span, diff --git a/compiler/rustc_borrowck/src/diagnostics/mod.rs b/compiler/rustc_borrowck/src/diagnostics/mod.rs index 4e2271a3067..cbd59005200 100644 --- a/compiler/rustc_borrowck/src/diagnostics/mod.rs +++ b/compiler/rustc_borrowck/src/diagnostics/mod.rs @@ -1059,17 +1059,12 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { ); if self.fn_self_span_reported.insert(fn_span) { err.span_note( - // Check whether the source is accessible - if self.infcx.tcx.sess.source_map().is_span_accessible(self_arg.span) { - self_arg.span - } else { - fn_call_span - }, + self_arg.span, "calling this operator moves the left-hand side", ); } } - CallKind::Normal { self_arg, desugaring, is_option_or_result } => { + CallKind::Normal { self_arg, desugaring, method_did } => { let self_arg = self_arg.unwrap(); if let Some((CallDesugaringKind::ForLoopIntoIter, _)) = desugaring { let ty = moved_place.ty(self.body, self.infcx.tcx).ty; @@ -1139,14 +1134,27 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { ), ); } + let tcx = self.infcx.tcx; // Avoid pointing to the same function in multiple different // error messages. if span != DUMMY_SP && self.fn_self_span_reported.insert(self_arg.span) { + let func = tcx.def_path_str(method_did); err.span_note( self_arg.span, - &format!("this function takes ownership of the receiver `self`, which moves {}", place_name) + &format!("`{func}` takes ownership of the receiver `self`, which moves {place_name}") ); } + let parent_did = tcx.parent(method_did); + let parent_self_ty = (tcx.def_kind(parent_did) + == rustc_hir::def::DefKind::Impl) + .then_some(parent_did) + .and_then(|did| match tcx.type_of(did).kind() { + ty::Adt(def, ..) => Some(def.did()), + _ => None, + }); + let is_option_or_result = parent_self_ty.map_or(false, |def_id| { + matches!(tcx.get_diagnostic_name(def_id), Some(sym::Option | sym::Result)) + }); if is_option_or_result && maybe_reinitialized_locations_is_empty { err.span_label( var_span, diff --git a/compiler/rustc_borrowck/src/diagnostics/move_errors.rs b/compiler/rustc_borrowck/src/diagnostics/move_errors.rs index 5a47f45677e..6db3c858ae7 100644 --- a/compiler/rustc_borrowck/src/diagnostics/move_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/move_errors.rs @@ -4,7 +4,7 @@ use rustc_middle::ty; use rustc_mir_dataflow::move_paths::{ IllegalMoveOrigin, IllegalMoveOriginKind, LookupResult, MoveError, MovePathIndex, }; -use rustc_span::Span; +use rustc_span::{BytePos, Span}; use crate::diagnostics::{DescribePlaceOpt, UseSpans}; use crate::prefixes::PrefixSet; @@ -148,7 +148,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { match_span: Span, statement_span: Span, ) { - debug!("append_binding_error(match_place={:?}, match_span={:?})", match_place, match_span); + debug!(?match_place, ?match_span, "append_binding_error"); let from_simple_let = match_place.is_none(); let match_place = match_place.unwrap_or(move_from); @@ -160,7 +160,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { if let GroupedMoveError::MovesFromPlace { span, binds_to, .. } = ge && match_span == *span { - debug!("appending local({:?}) to list", bind_to); + debug!("appending local({bind_to:?}) to list"); if !binds_to.is_empty() { binds_to.push(bind_to); } @@ -198,7 +198,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { } = ge { if match_span == *span && mpi == *other_mpi { - debug!("appending local({:?}) to list", bind_to); + debug!("appending local({bind_to:?}) to list"); binds_to.push(bind_to); return; } @@ -410,15 +410,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { fn add_move_hints(&self, error: GroupedMoveError<'tcx>, err: &mut Diagnostic, span: Span) { match error { GroupedMoveError::MovesFromPlace { mut binds_to, move_from, .. } => { - if let Ok(snippet) = self.infcx.tcx.sess.source_map().span_to_snippet(span) { - err.span_suggestion( - span, - "consider borrowing here", - format!("&{snippet}"), - Applicability::Unspecified, - ); - } - + self.add_borrow_suggestions(err, span); if binds_to.is_empty() { let place_ty = move_from.ty(self.body, self.infcx.tcx).ty; let place_desc = match self.describe_place(move_from.as_ref()) { @@ -461,39 +453,75 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { } } + fn add_borrow_suggestions(&self, err: &mut Diagnostic, span: Span) { + match self.infcx.tcx.sess.source_map().span_to_snippet(span) { + Ok(snippet) if snippet.starts_with('*') => { + err.span_suggestion_verbose( + span.with_hi(span.lo() + BytePos(1)), + "consider removing the dereference here", + String::new(), + Applicability::MaybeIncorrect, + ); + } + _ => { + err.span_suggestion_verbose( + span.shrink_to_lo(), + "consider borrowing here", + "&".to_string(), + Applicability::MaybeIncorrect, + ); + } + } + } + fn add_move_error_suggestions(&self, err: &mut Diagnostic, binds_to: &[Local]) { - let mut suggestions: Vec<(Span, &str, String)> = Vec::new(); + let mut suggestions: Vec<(Span, String, String)> = Vec::new(); for local in binds_to { let bind_to = &self.body.local_decls[*local]; if let Some(box LocalInfo::User(ClearCrossCrate::Set(BindingForm::Var( VarBindingForm { pat_span, .. }, )))) = bind_to.local_info { - if let Ok(pat_snippet) = self.infcx.tcx.sess.source_map().span_to_snippet(pat_span) + let Ok(pat_snippet) = + self.infcx.tcx.sess.source_map().span_to_snippet(pat_span) else { continue; }; + let Some(stripped) = pat_snippet.strip_prefix('&') else { + suggestions.push(( + bind_to.source_info.span.shrink_to_lo(), + "consider borrowing the pattern binding".to_string(), + "ref ".to_string(), + )); + continue; + }; + let inner_pat_snippet = stripped.trim_start(); + let (pat_span, suggestion, to_remove) = if inner_pat_snippet.starts_with("mut") + && inner_pat_snippet["mut".len()..].starts_with(rustc_lexer::is_whitespace) { - if let Some(stripped) = pat_snippet.strip_prefix('&') { - let pat_snippet = stripped.trim_start(); - let (suggestion, to_remove) = if pat_snippet.starts_with("mut") - && pat_snippet["mut".len()..].starts_with(rustc_lexer::is_whitespace) - { - (pat_snippet["mut".len()..].trim_start(), "&mut") - } else { - (pat_snippet, "&") - }; - suggestions.push((pat_span, to_remove, suggestion.to_owned())); - } - } + let inner_pat_snippet = inner_pat_snippet["mut".len()..].trim_start(); + let pat_span = pat_span.with_hi( + pat_span.lo() + + BytePos((pat_snippet.len() - inner_pat_snippet.len()) as u32), + ); + (pat_span, String::new(), "mutable borrow") + } else { + let pat_span = pat_span.with_hi( + pat_span.lo() + + BytePos( + (pat_snippet.len() - inner_pat_snippet.trim_start().len()) as u32, + ), + ); + (pat_span, String::new(), "borrow") + }; + suggestions.push(( + pat_span, + format!("consider removing the {to_remove}"), + suggestion.to_string(), + )); } } suggestions.sort_unstable_by_key(|&(span, _, _)| span); suggestions.dedup_by_key(|&mut (span, _, _)| span); - for (span, to_remove, suggestion) in suggestions { - err.span_suggestion( - span, - &format!("consider removing the `{to_remove}`"), - suggestion, - Applicability::MachineApplicable, - ); + for (span, msg, suggestion) in suggestions { + err.span_suggestion_verbose(span, &msg, suggestion, Applicability::MachineApplicable); } } @@ -521,8 +549,8 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { if binds_to.len() > 1 { err.note( - "move occurs because these variables have types that \ - don't implement the `Copy` trait", + "move occurs because these variables have types that don't implement the `Copy` \ + trait", ); } } diff --git a/compiler/rustc_codegen_ssa/src/codegen_attrs.rs b/compiler/rustc_codegen_ssa/src/codegen_attrs.rs new file mode 100644 index 00000000000..c7f2e1966c1 --- /dev/null +++ b/compiler/rustc_codegen_ssa/src/codegen_attrs.rs @@ -0,0 +1,688 @@ +use rustc_ast::{ast, MetaItemKind, NestedMetaItem}; +use rustc_attr::{list_contains_name, InlineAttr, InstructionSetAttr, OptimizeAttr}; +use rustc_errors::struct_span_err; +use rustc_hir as hir; +use rustc_hir::def_id::{DefId, LocalDefId, LOCAL_CRATE}; +use rustc_hir::{lang_items, weak_lang_items::WEAK_LANG_ITEMS, LangItem}; +use rustc_middle::middle::codegen_fn_attrs::{CodegenFnAttrFlags, CodegenFnAttrs}; +use rustc_middle::mir::mono::Linkage; +use rustc_middle::ty::query::Providers; +use rustc_middle::ty::{self as ty, DefIdTree, TyCtxt}; +use rustc_session::{lint, parse::feature_err}; +use rustc_span::{sym, Span}; +use rustc_target::spec::{abi, SanitizerSet}; + +use crate::target_features::from_target_feature; +use crate::{errors::ExpectedUsedSymbol, target_features::check_target_feature_trait_unsafe}; + +fn linkage_by_name(tcx: TyCtxt<'_>, def_id: LocalDefId, name: &str) -> Linkage { + use rustc_middle::mir::mono::Linkage::*; + + // Use the names from src/llvm/docs/LangRef.rst here. Most types are only + // applicable to variable declarations and may not really make sense for + // Rust code in the first place but allow them anyway and trust that the + // user knows what they're doing. Who knows, unanticipated use cases may pop + // up in the future. + // + // ghost, dllimport, dllexport and linkonce_odr_autohide are not supported + // and don't have to be, LLVM treats them as no-ops. + match name { + "appending" => Appending, + "available_externally" => AvailableExternally, + "common" => Common, + "extern_weak" => ExternalWeak, + "external" => External, + "internal" => Internal, + "linkonce" => LinkOnceAny, + "linkonce_odr" => LinkOnceODR, + "private" => Private, + "weak" => WeakAny, + "weak_odr" => WeakODR, + _ => tcx.sess.span_fatal(tcx.def_span(def_id), "invalid linkage specified"), + } +} + +fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: DefId) -> CodegenFnAttrs { + if cfg!(debug_assertions) { + let def_kind = tcx.def_kind(did); + assert!( + def_kind.has_codegen_attrs(), + "unexpected `def_kind` in `codegen_fn_attrs`: {def_kind:?}", + ); + } + + let did = did.expect_local(); + let attrs = tcx.hir().attrs(tcx.hir().local_def_id_to_hir_id(did)); + let mut codegen_fn_attrs = CodegenFnAttrs::new(); + if tcx.should_inherit_track_caller(did) { + codegen_fn_attrs.flags |= CodegenFnAttrFlags::TRACK_CALLER; + } + + let supported_target_features = tcx.supported_target_features(LOCAL_CRATE); + + let mut inline_span = None; + let mut link_ordinal_span = None; + let mut no_sanitize_span = None; + for attr in attrs.iter() { + if attr.has_name(sym::cold) { + codegen_fn_attrs.flags |= CodegenFnAttrFlags::COLD; + } else if attr.has_name(sym::rustc_allocator) { + codegen_fn_attrs.flags |= CodegenFnAttrFlags::ALLOCATOR; + } else if attr.has_name(sym::ffi_returns_twice) { + if tcx.is_foreign_item(did) { + codegen_fn_attrs.flags |= CodegenFnAttrFlags::FFI_RETURNS_TWICE; + } else { + // `#[ffi_returns_twice]` is only allowed `extern fn`s. + struct_span_err!( + tcx.sess, + attr.span, + E0724, + "`#[ffi_returns_twice]` may only be used on foreign functions" + ) + .emit(); + } + } else if attr.has_name(sym::ffi_pure) { + if tcx.is_foreign_item(did) { + if attrs.iter().any(|a| a.has_name(sym::ffi_const)) { + // `#[ffi_const]` functions cannot be `#[ffi_pure]` + struct_span_err!( + tcx.sess, + attr.span, + E0757, + "`#[ffi_const]` function cannot be `#[ffi_pure]`" + ) + .emit(); + } else { + codegen_fn_attrs.flags |= CodegenFnAttrFlags::FFI_PURE; + } + } else { + // `#[ffi_pure]` is only allowed on foreign functions + struct_span_err!( + tcx.sess, + attr.span, + E0755, + "`#[ffi_pure]` may only be used on foreign functions" + ) + .emit(); + } + } else if attr.has_name(sym::ffi_const) { + if tcx.is_foreign_item(did) { + codegen_fn_attrs.flags |= CodegenFnAttrFlags::FFI_CONST; + } else { + // `#[ffi_const]` is only allowed on foreign functions + struct_span_err!( + tcx.sess, + attr.span, + E0756, + "`#[ffi_const]` may only be used on foreign functions" + ) + .emit(); + } + } else if attr.has_name(sym::rustc_nounwind) { + codegen_fn_attrs.flags |= CodegenFnAttrFlags::NEVER_UNWIND; + } else if attr.has_name(sym::rustc_reallocator) { + codegen_fn_attrs.flags |= CodegenFnAttrFlags::REALLOCATOR; + } else if attr.has_name(sym::rustc_deallocator) { + codegen_fn_attrs.flags |= CodegenFnAttrFlags::DEALLOCATOR; + } else if attr.has_name(sym::rustc_allocator_zeroed) { + codegen_fn_attrs.flags |= CodegenFnAttrFlags::ALLOCATOR_ZEROED; + } else if attr.has_name(sym::naked) { + codegen_fn_attrs.flags |= CodegenFnAttrFlags::NAKED; + } else if attr.has_name(sym::no_mangle) { + codegen_fn_attrs.flags |= CodegenFnAttrFlags::NO_MANGLE; + } else if attr.has_name(sym::no_coverage) { + codegen_fn_attrs.flags |= CodegenFnAttrFlags::NO_COVERAGE; + } else if attr.has_name(sym::rustc_std_internal_symbol) { + codegen_fn_attrs.flags |= CodegenFnAttrFlags::RUSTC_STD_INTERNAL_SYMBOL; + } else if attr.has_name(sym::used) { + let inner = attr.meta_item_list(); + match inner.as_deref() { + Some([item]) if item.has_name(sym::linker) => { + if !tcx.features().used_with_arg { + feature_err( + &tcx.sess.parse_sess, + sym::used_with_arg, + attr.span, + "`#[used(linker)]` is currently unstable", + ) + .emit(); + } + codegen_fn_attrs.flags |= CodegenFnAttrFlags::USED_LINKER; + } + Some([item]) if item.has_name(sym::compiler) => { + if !tcx.features().used_with_arg { + feature_err( + &tcx.sess.parse_sess, + sym::used_with_arg, + attr.span, + "`#[used(compiler)]` is currently unstable", + ) + .emit(); + } + codegen_fn_attrs.flags |= CodegenFnAttrFlags::USED; + } + Some(_) => { + tcx.sess.emit_err(ExpectedUsedSymbol { span: attr.span }); + } + None => { + // Unfortunately, unconditionally using `llvm.used` causes + // issues in handling `.init_array` with the gold linker, + // but using `llvm.compiler.used` caused a nontrival amount + // of unintentional ecosystem breakage -- particularly on + // Mach-O targets. + // + // As a result, we emit `llvm.compiler.used` only on ELF + // targets. This is somewhat ad-hoc, but actually follows + // our pre-LLVM 13 behavior (prior to the ecosystem + // breakage), and seems to match `clang`'s behavior as well + // (both before and after LLVM 13), possibly because they + // have similar compatibility concerns to us. See + // https://github.com/rust-lang/rust/issues/47384#issuecomment-1019080146 + // and following comments for some discussion of this, as + // well as the comments in `rustc_codegen_llvm` where these + // flags are handled. + // + // Anyway, to be clear: this is still up in the air + // somewhat, and is subject to change in the future (which + // is a good thing, because this would ideally be a bit + // more firmed up). + let is_like_elf = !(tcx.sess.target.is_like_osx + || tcx.sess.target.is_like_windows + || tcx.sess.target.is_like_wasm); + codegen_fn_attrs.flags |= if is_like_elf { + CodegenFnAttrFlags::USED + } else { + CodegenFnAttrFlags::USED_LINKER + }; + } + } + } else if attr.has_name(sym::cmse_nonsecure_entry) { + if !matches!(tcx.fn_sig(did).abi(), abi::Abi::C { .. }) { + struct_span_err!( + tcx.sess, + attr.span, + E0776, + "`#[cmse_nonsecure_entry]` requires C ABI" + ) + .emit(); + } + if !tcx.sess.target.llvm_target.contains("thumbv8m") { + struct_span_err!(tcx.sess, attr.span, E0775, "`#[cmse_nonsecure_entry]` is only valid for targets with the TrustZone-M extension") + .emit(); + } + codegen_fn_attrs.flags |= CodegenFnAttrFlags::CMSE_NONSECURE_ENTRY; + } else if attr.has_name(sym::thread_local) { + codegen_fn_attrs.flags |= CodegenFnAttrFlags::THREAD_LOCAL; + } else if attr.has_name(sym::track_caller) { + if !tcx.is_closure(did.to_def_id()) && tcx.fn_sig(did).abi() != abi::Abi::Rust { + struct_span_err!(tcx.sess, attr.span, E0737, "`#[track_caller]` requires Rust ABI") + .emit(); + } + if tcx.is_closure(did.to_def_id()) && !tcx.features().closure_track_caller { + feature_err( + &tcx.sess.parse_sess, + sym::closure_track_caller, + attr.span, + "`#[track_caller]` on closures is currently unstable", + ) + .emit(); + } + codegen_fn_attrs.flags |= CodegenFnAttrFlags::TRACK_CALLER; + } else if attr.has_name(sym::export_name) { + if let Some(s) = attr.value_str() { + if s.as_str().contains('\0') { + // `#[export_name = ...]` will be converted to a null-terminated string, + // so it may not contain any null characters. + struct_span_err!( + tcx.sess, + attr.span, + E0648, + "`export_name` may not contain null characters" + ) + .emit(); + } + codegen_fn_attrs.export_name = Some(s); + } + } else if attr.has_name(sym::target_feature) { + if !tcx.is_closure(did.to_def_id()) + && tcx.fn_sig(did).unsafety() == hir::Unsafety::Normal + { + if tcx.sess.target.is_like_wasm || tcx.sess.opts.actually_rustdoc { + // The `#[target_feature]` attribute is allowed on + // WebAssembly targets on all functions, including safe + // ones. Other targets require that `#[target_feature]` is + // only applied to unsafe functions (pending the + // `target_feature_11` feature) because on most targets + // execution of instructions that are not supported is + // considered undefined behavior. For WebAssembly which is a + // 100% safe target at execution time it's not possible to + // execute undefined instructions, and even if a future + // feature was added in some form for this it would be a + // deterministic trap. There is no undefined behavior when + // executing WebAssembly so `#[target_feature]` is allowed + // on safe functions (but again, only for WebAssembly) + // + // Note that this is also allowed if `actually_rustdoc` so + // if a target is documenting some wasm-specific code then + // it's not spuriously denied. + } else if !tcx.features().target_feature_11 { + let mut err = feature_err( + &tcx.sess.parse_sess, + sym::target_feature_11, + attr.span, + "`#[target_feature(..)]` can only be applied to `unsafe` functions", + ); + err.span_label(tcx.def_span(did), "not an `unsafe` function"); + err.emit(); + } else { + check_target_feature_trait_unsafe(tcx, did, attr.span); + } + } + from_target_feature( + tcx, + attr, + supported_target_features, + &mut codegen_fn_attrs.target_features, + ); + } else if attr.has_name(sym::linkage) { + if let Some(val) = attr.value_str() { + let linkage = Some(linkage_by_name(tcx, did, val.as_str())); + if tcx.is_foreign_item(did) { + codegen_fn_attrs.import_linkage = linkage; + } else { + codegen_fn_attrs.linkage = linkage; + } + } + } else if attr.has_name(sym::link_section) { + if let Some(val) = attr.value_str() { + if val.as_str().bytes().any(|b| b == 0) { + let msg = format!( + "illegal null byte in link_section \ + value: `{}`", + &val + ); + tcx.sess.span_err(attr.span, &msg); + } else { + codegen_fn_attrs.link_section = Some(val); + } + } + } else if attr.has_name(sym::link_name) { + codegen_fn_attrs.link_name = attr.value_str(); + } else if attr.has_name(sym::link_ordinal) { + link_ordinal_span = Some(attr.span); + if let ordinal @ Some(_) = check_link_ordinal(tcx, attr) { + codegen_fn_attrs.link_ordinal = ordinal; + } + } else if attr.has_name(sym::no_sanitize) { + no_sanitize_span = Some(attr.span); + if let Some(list) = attr.meta_item_list() { + for item in list.iter() { + if item.has_name(sym::address) { + codegen_fn_attrs.no_sanitize |= SanitizerSet::ADDRESS; + } else if item.has_name(sym::cfi) { + codegen_fn_attrs.no_sanitize |= SanitizerSet::CFI; + } else if item.has_name(sym::kcfi) { + codegen_fn_attrs.no_sanitize |= SanitizerSet::KCFI; + } else if item.has_name(sym::memory) { + codegen_fn_attrs.no_sanitize |= SanitizerSet::MEMORY; + } else if item.has_name(sym::memtag) { + codegen_fn_attrs.no_sanitize |= SanitizerSet::MEMTAG; + } else if item.has_name(sym::shadow_call_stack) { + codegen_fn_attrs.no_sanitize |= SanitizerSet::SHADOWCALLSTACK; + } else if item.has_name(sym::thread) { + codegen_fn_attrs.no_sanitize |= SanitizerSet::THREAD; + } else if item.has_name(sym::hwaddress) { + codegen_fn_attrs.no_sanitize |= SanitizerSet::HWADDRESS; + } else { + tcx.sess + .struct_span_err(item.span(), "invalid argument for `no_sanitize`") + .note("expected one of: `address`, `cfi`, `hwaddress`, `kcfi`, `memory`, `memtag`, `shadow-call-stack`, or `thread`") + .emit(); + } + } + } + } else if attr.has_name(sym::instruction_set) { + codegen_fn_attrs.instruction_set = match attr.meta_kind() { + Some(MetaItemKind::List(ref items)) => match items.as_slice() { + [NestedMetaItem::MetaItem(set)] => { + let segments = + set.path.segments.iter().map(|x| x.ident.name).collect::<Vec<_>>(); + match segments.as_slice() { + [sym::arm, sym::a32] | [sym::arm, sym::t32] => { + if !tcx.sess.target.has_thumb_interworking { + struct_span_err!( + tcx.sess.diagnostic(), + attr.span, + E0779, + "target does not support `#[instruction_set]`" + ) + .emit(); + None + } else if segments[1] == sym::a32 { + Some(InstructionSetAttr::ArmA32) + } else if segments[1] == sym::t32 { + Some(InstructionSetAttr::ArmT32) + } else { + unreachable!() + } + } + _ => { + struct_span_err!( + tcx.sess.diagnostic(), + attr.span, + E0779, + "invalid instruction set specified", + ) + .emit(); + None + } + } + } + [] => { + struct_span_err!( + tcx.sess.diagnostic(), + attr.span, + E0778, + "`#[instruction_set]` requires an argument" + ) + .emit(); + None + } + _ => { + struct_span_err!( + tcx.sess.diagnostic(), + attr.span, + E0779, + "cannot specify more than one instruction set" + ) + .emit(); + None + } + }, + _ => { + struct_span_err!( + tcx.sess.diagnostic(), + attr.span, + E0778, + "must specify an instruction set" + ) + .emit(); + None + } + }; + } else if attr.has_name(sym::repr) { + codegen_fn_attrs.alignment = match attr.meta_item_list() { + Some(items) => match items.as_slice() { + [item] => match item.name_value_literal() { + Some((sym::align, literal)) => { + let alignment = rustc_attr::parse_alignment(&literal.kind); + + match alignment { + Ok(align) => Some(align), + Err(msg) => { + struct_span_err!( + tcx.sess.diagnostic(), + attr.span, + E0589, + "invalid `repr(align)` attribute: {}", + msg + ) + .emit(); + + None + } + } + } + _ => None, + }, + [] => None, + _ => None, + }, + None => None, + }; + } + } + + codegen_fn_attrs.inline = attrs.iter().fold(InlineAttr::None, |ia, attr| { + if !attr.has_name(sym::inline) { + return ia; + } + match attr.meta_kind() { + Some(MetaItemKind::Word) => InlineAttr::Hint, + Some(MetaItemKind::List(ref items)) => { + inline_span = Some(attr.span); + if items.len() != 1 { + struct_span_err!( + tcx.sess.diagnostic(), + attr.span, + E0534, + "expected one argument" + ) + .emit(); + InlineAttr::None + } else if list_contains_name(&items, sym::always) { + InlineAttr::Always + } else if list_contains_name(&items, sym::never) { + InlineAttr::Never + } else { + struct_span_err!( + tcx.sess.diagnostic(), + items[0].span(), + E0535, + "invalid argument" + ) + .help("valid inline arguments are `always` and `never`") + .emit(); + + InlineAttr::None + } + } + Some(MetaItemKind::NameValue(_)) => ia, + None => ia, + } + }); + + codegen_fn_attrs.optimize = attrs.iter().fold(OptimizeAttr::None, |ia, attr| { + if !attr.has_name(sym::optimize) { + return ia; + } + let err = |sp, s| struct_span_err!(tcx.sess.diagnostic(), sp, E0722, "{}", s).emit(); + match attr.meta_kind() { + Some(MetaItemKind::Word) => { + err(attr.span, "expected one argument"); + ia + } + Some(MetaItemKind::List(ref items)) => { + inline_span = Some(attr.span); + if items.len() != 1 { + err(attr.span, "expected one argument"); + OptimizeAttr::None + } else if list_contains_name(&items, sym::size) { + OptimizeAttr::Size + } else if list_contains_name(&items, sym::speed) { + OptimizeAttr::Speed + } else { + err(items[0].span(), "invalid argument"); + OptimizeAttr::None + } + } + Some(MetaItemKind::NameValue(_)) => ia, + None => ia, + } + }); + + // #73631: closures inherit `#[target_feature]` annotations + if tcx.features().target_feature_11 && tcx.is_closure(did.to_def_id()) { + let owner_id = tcx.parent(did.to_def_id()); + if tcx.def_kind(owner_id).has_codegen_attrs() { + codegen_fn_attrs + .target_features + .extend(tcx.codegen_fn_attrs(owner_id).target_features.iter().copied()); + } + } + + // If a function uses #[target_feature] it can't be inlined into general + // purpose functions as they wouldn't have the right target features + // enabled. For that reason we also forbid #[inline(always)] as it can't be + // respected. + if !codegen_fn_attrs.target_features.is_empty() { + if codegen_fn_attrs.inline == InlineAttr::Always { + if let Some(span) = inline_span { + tcx.sess.span_err( + span, + "cannot use `#[inline(always)]` with \ + `#[target_feature]`", + ); + } + } + } + + if !codegen_fn_attrs.no_sanitize.is_empty() { + if codegen_fn_attrs.inline == InlineAttr::Always { + if let (Some(no_sanitize_span), Some(inline_span)) = (no_sanitize_span, inline_span) { + let hir_id = tcx.hir().local_def_id_to_hir_id(did); + tcx.struct_span_lint_hir( + lint::builtin::INLINE_NO_SANITIZE, + hir_id, + no_sanitize_span, + "`no_sanitize` will have no effect after inlining", + |lint| lint.span_note(inline_span, "inlining requested here"), + ) + } + } + } + + if codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::NAKED) { + codegen_fn_attrs.flags |= CodegenFnAttrFlags::NO_COVERAGE; + codegen_fn_attrs.inline = InlineAttr::Never; + } + + // Weak lang items have the same semantics as "std internal" symbols in the + // sense that they're preserved through all our LTO passes and only + // strippable by the linker. + // + // Additionally weak lang items have predetermined symbol names. + if WEAK_LANG_ITEMS.iter().any(|&l| tcx.lang_items().get(l) == Some(did.to_def_id())) { + codegen_fn_attrs.flags |= CodegenFnAttrFlags::RUSTC_STD_INTERNAL_SYMBOL; + } + if let Some((name, _)) = lang_items::extract(attrs) + && let Some(lang_item) = LangItem::from_name(name) + && let Some(link_name) = lang_item.link_name() + { + codegen_fn_attrs.export_name = Some(link_name); + codegen_fn_attrs.link_name = Some(link_name); + } + check_link_name_xor_ordinal(tcx, &codegen_fn_attrs, link_ordinal_span); + + // Internal symbols to the standard library all have no_mangle semantics in + // that they have defined symbol names present in the function name. This + // also applies to weak symbols where they all have known symbol names. + if codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::RUSTC_STD_INTERNAL_SYMBOL) { + codegen_fn_attrs.flags |= CodegenFnAttrFlags::NO_MANGLE; + } + + // Any linkage to LLVM intrinsics for now forcibly marks them all as never + // unwinds since LLVM sometimes can't handle codegen which `invoke`s + // intrinsic functions. + if let Some(name) = &codegen_fn_attrs.link_name { + if name.as_str().starts_with("llvm.") { + codegen_fn_attrs.flags |= CodegenFnAttrFlags::NEVER_UNWIND; + } + } + + codegen_fn_attrs +} + +/// Checks if the provided DefId is a method in a trait impl for a trait which has track_caller +/// applied to the method prototype. +fn should_inherit_track_caller(tcx: TyCtxt<'_>, def_id: DefId) -> bool { + if let Some(impl_item) = tcx.opt_associated_item(def_id) + && let ty::AssocItemContainer::ImplContainer = impl_item.container + && let Some(trait_item) = impl_item.trait_item_def_id + { + return tcx + .codegen_fn_attrs(trait_item) + .flags + .intersects(CodegenFnAttrFlags::TRACK_CALLER); + } + + false +} + +fn check_link_ordinal(tcx: TyCtxt<'_>, attr: &ast::Attribute) -> Option<u16> { + use rustc_ast::{LitIntType, LitKind, MetaItemLit}; + if !tcx.features().raw_dylib && tcx.sess.target.arch == "x86" { + feature_err( + &tcx.sess.parse_sess, + sym::raw_dylib, + attr.span, + "`#[link_ordinal]` is unstable on x86", + ) + .emit(); + } + let meta_item_list = attr.meta_item_list(); + let meta_item_list = meta_item_list.as_deref(); + let sole_meta_list = match meta_item_list { + Some([item]) => item.lit(), + Some(_) => { + tcx.sess + .struct_span_err(attr.span, "incorrect number of arguments to `#[link_ordinal]`") + .note("the attribute requires exactly one argument") + .emit(); + return None; + } + _ => None, + }; + if let Some(MetaItemLit { kind: LitKind::Int(ordinal, LitIntType::Unsuffixed), .. }) = + sole_meta_list + { + // According to the table at https://docs.microsoft.com/en-us/windows/win32/debug/pe-format#import-header, + // the ordinal must fit into 16 bits. Similarly, the Ordinal field in COFFShortExport (defined + // in llvm/include/llvm/Object/COFFImportFile.h), which we use to communicate import information + // to LLVM for `#[link(kind = "raw-dylib"_])`, is also defined to be uint16_t. + // + // FIXME: should we allow an ordinal of 0? The MSVC toolchain has inconsistent support for this: + // both LINK.EXE and LIB.EXE signal errors and abort when given a .DEF file that specifies + // a zero ordinal. However, llvm-dlltool is perfectly happy to generate an import library + // for such a .DEF file, and MSVC's LINK.EXE is also perfectly happy to consume an import + // library produced by LLVM with an ordinal of 0, and it generates an .EXE. (I don't know yet + // if the resulting EXE runs, as I haven't yet built the necessary DLL -- see earlier comment + // about LINK.EXE failing.) + if *ordinal <= u16::MAX as u128 { + Some(*ordinal as u16) + } else { + let msg = format!("ordinal value in `link_ordinal` is too large: `{}`", &ordinal); + tcx.sess + .struct_span_err(attr.span, &msg) + .note("the value may not exceed `u16::MAX`") + .emit(); + None + } + } else { + tcx.sess + .struct_span_err(attr.span, "illegal ordinal format in `link_ordinal`") + .note("an unsuffixed integer value, e.g., `1`, is expected") + .emit(); + None + } +} + +fn check_link_name_xor_ordinal( + tcx: TyCtxt<'_>, + codegen_fn_attrs: &CodegenFnAttrs, + inline_span: Option<Span>, +) { + if codegen_fn_attrs.link_name.is_none() || codegen_fn_attrs.link_ordinal.is_none() { + return; + } + let msg = "cannot use `#[link_name]` with `#[link_ordinal]`"; + if let Some(span) = inline_span { + tcx.sess.span_err(span, msg); + } else { + tcx.sess.err(msg); + } +} + +pub fn provide(providers: &mut Providers) { + *providers = Providers { codegen_fn_attrs, should_inherit_track_caller, ..*providers }; +} diff --git a/compiler/rustc_codegen_ssa/src/errors.rs b/compiler/rustc_codegen_ssa/src/errors.rs index e3b6fbf1bc7..0620000201f 100644 --- a/compiler/rustc_codegen_ssa/src/errors.rs +++ b/compiler/rustc_codegen_ssa/src/errors.rs @@ -548,3 +548,10 @@ pub struct ArchiveBuildFailure { pub struct UnknownArchiveKind<'a> { pub kind: &'a str, } + +#[derive(Diagnostic)] +#[diag(codegen_ssa_expected_used_symbol)] +pub struct ExpectedUsedSymbol { + #[primary_span] + pub span: Span, +} diff --git a/compiler/rustc_codegen_ssa/src/lib.rs b/compiler/rustc_codegen_ssa/src/lib.rs index def6390f6a3..0e6596d4ba7 100644 --- a/compiler/rustc_codegen_ssa/src/lib.rs +++ b/compiler/rustc_codegen_ssa/src/lib.rs @@ -42,6 +42,7 @@ use std::path::{Path, PathBuf}; pub mod back; pub mod base; +pub mod codegen_attrs; pub mod common; pub mod coverageinfo; pub mod debuginfo; @@ -180,6 +181,7 @@ pub fn provide(providers: &mut Providers) { crate::back::symbol_export::provide(providers); crate::base::provide(providers); crate::target_features::provide(providers); + crate::codegen_attrs::provide(providers); } pub fn provide_extern(providers: &mut ExternProviders) { diff --git a/compiler/rustc_codegen_ssa/src/target_features.rs b/compiler/rustc_codegen_ssa/src/target_features.rs index 301683e8e85..0dabe96b602 100644 --- a/compiler/rustc_codegen_ssa/src/target_features.rs +++ b/compiler/rustc_codegen_ssa/src/target_features.rs @@ -1,8 +1,19 @@ +use rustc_ast::ast; +use rustc_attr::InstructionSetAttr; +use rustc_data_structures::fx::FxHashMap; +use rustc_data_structures::fx::FxHashSet; +use rustc_errors::Applicability; +use rustc_hir as hir; +use rustc_hir::def_id::DefId; +use rustc_hir::def_id::LocalDefId; use rustc_hir::def_id::LOCAL_CRATE; use rustc_middle::ty::query::Providers; +use rustc_middle::ty::TyCtxt; +use rustc_session::parse::feature_err; use rustc_session::Session; use rustc_span::symbol::sym; use rustc_span::symbol::Symbol; +use rustc_span::Span; /// Features that control behaviour of rustc, rather than the codegen. pub const RUSTC_SPECIFIC_FEATURES: &[&str] = &["crt-static"]; @@ -322,15 +333,148 @@ pub fn tied_target_features(sess: &Session) -> &'static [&'static [&'static str] } } -pub(crate) fn provide(providers: &mut Providers) { - providers.supported_target_features = |tcx, cnum| { - assert_eq!(cnum, LOCAL_CRATE); - if tcx.sess.opts.actually_rustdoc { - // rustdoc needs to be able to document functions that use all the features, so - // whitelist them all - all_known_features().map(|(a, b)| (a.to_string(), b)).collect() - } else { - supported_target_features(tcx.sess).iter().map(|&(a, b)| (a.to_string(), b)).collect() - } +pub fn from_target_feature( + tcx: TyCtxt<'_>, + attr: &ast::Attribute, + supported_target_features: &FxHashMap<String, Option<Symbol>>, + target_features: &mut Vec<Symbol>, +) { + let Some(list) = attr.meta_item_list() else { return }; + let bad_item = |span| { + let msg = "malformed `target_feature` attribute input"; + let code = "enable = \"..\""; + tcx.sess + .struct_span_err(span, msg) + .span_suggestion(span, "must be of the form", code, Applicability::HasPlaceholders) + .emit(); }; + let rust_features = tcx.features(); + for item in list { + // Only `enable = ...` is accepted in the meta-item list. + if !item.has_name(sym::enable) { + bad_item(item.span()); + continue; + } + + // Must be of the form `enable = "..."` (a string). + let Some(value) = item.value_str() else { + bad_item(item.span()); + continue; + }; + + // We allow comma separation to enable multiple features. + target_features.extend(value.as_str().split(',').filter_map(|feature| { + let Some(feature_gate) = supported_target_features.get(feature) else { + let msg = + format!("the feature named `{}` is not valid for this target", feature); + let mut err = tcx.sess.struct_span_err(item.span(), &msg); + err.span_label( + item.span(), + format!("`{}` is not valid for this target", feature), + ); + if let Some(stripped) = feature.strip_prefix('+') { + let valid = supported_target_features.contains_key(stripped); + if valid { + err.help("consider removing the leading `+` in the feature name"); + } + } + err.emit(); + return None; + }; + + // Only allow features whose feature gates have been enabled. + let allowed = match feature_gate.as_ref().copied() { + Some(sym::arm_target_feature) => rust_features.arm_target_feature, + Some(sym::hexagon_target_feature) => rust_features.hexagon_target_feature, + Some(sym::powerpc_target_feature) => rust_features.powerpc_target_feature, + Some(sym::mips_target_feature) => rust_features.mips_target_feature, + Some(sym::riscv_target_feature) => rust_features.riscv_target_feature, + Some(sym::avx512_target_feature) => rust_features.avx512_target_feature, + Some(sym::sse4a_target_feature) => rust_features.sse4a_target_feature, + Some(sym::tbm_target_feature) => rust_features.tbm_target_feature, + Some(sym::wasm_target_feature) => rust_features.wasm_target_feature, + Some(sym::cmpxchg16b_target_feature) => rust_features.cmpxchg16b_target_feature, + Some(sym::movbe_target_feature) => rust_features.movbe_target_feature, + Some(sym::rtm_target_feature) => rust_features.rtm_target_feature, + Some(sym::f16c_target_feature) => rust_features.f16c_target_feature, + Some(sym::ermsb_target_feature) => rust_features.ermsb_target_feature, + Some(sym::bpf_target_feature) => rust_features.bpf_target_feature, + Some(sym::aarch64_ver_target_feature) => rust_features.aarch64_ver_target_feature, + Some(name) => bug!("unknown target feature gate {}", name), + None => true, + }; + if !allowed { + feature_err( + &tcx.sess.parse_sess, + feature_gate.unwrap(), + item.span(), + &format!("the target feature `{}` is currently unstable", feature), + ) + .emit(); + } + Some(Symbol::intern(feature)) + })); + } +} + +/// Computes the set of target features used in a function for the purposes of +/// inline assembly. +fn asm_target_features<'tcx>(tcx: TyCtxt<'tcx>, did: DefId) -> &'tcx FxHashSet<Symbol> { + let mut target_features = tcx.sess.unstable_target_features.clone(); + if tcx.def_kind(did).has_codegen_attrs() { + let attrs = tcx.codegen_fn_attrs(did); + target_features.extend(&attrs.target_features); + match attrs.instruction_set { + None => {} + Some(InstructionSetAttr::ArmA32) => { + target_features.remove(&sym::thumb_mode); + } + Some(InstructionSetAttr::ArmT32) => { + target_features.insert(sym::thumb_mode); + } + } + } + + tcx.arena.alloc(target_features) +} + +/// Checks the function annotated with `#[target_feature]` is not a safe +/// trait method implementation, reporting an error if it is. +pub fn check_target_feature_trait_unsafe(tcx: TyCtxt<'_>, id: LocalDefId, attr_span: Span) { + let hir_id = tcx.hir().local_def_id_to_hir_id(id); + let node = tcx.hir().get(hir_id); + if let hir::Node::ImplItem(hir::ImplItem { kind: hir::ImplItemKind::Fn(..), .. }) = node { + let parent_id = tcx.hir().get_parent_item(hir_id); + let parent_item = tcx.hir().expect_item(parent_id.def_id); + if let hir::ItemKind::Impl(hir::Impl { of_trait: Some(_), .. }) = parent_item.kind { + tcx.sess + .struct_span_err( + attr_span, + "`#[target_feature(..)]` cannot be applied to safe trait method", + ) + .span_label(attr_span, "cannot be applied to safe trait method") + .span_label(tcx.def_span(id), "not an `unsafe` function") + .emit(); + } + } +} + +pub(crate) fn provide(providers: &mut Providers) { + *providers = Providers { + supported_target_features: |tcx, cnum| { + assert_eq!(cnum, LOCAL_CRATE); + if tcx.sess.opts.actually_rustdoc { + // rustdoc needs to be able to document functions that use all the features, so + // whitelist them all + all_known_features().map(|(a, b)| (a.to_string(), b)).collect() + } else { + supported_target_features(tcx.sess) + .iter() + .map(|&(a, b)| (a.to_string(), b)) + .collect() + } + }, + asm_target_features, + ..*providers + } } diff --git a/compiler/rustc_const_eval/src/transform/validate.rs b/compiler/rustc_const_eval/src/transform/validate.rs index 64318f5f54d..1b932d0e708 100644 --- a/compiler/rustc_const_eval/src/transform/validate.rs +++ b/compiler/rustc_const_eval/src/transform/validate.rs @@ -52,7 +52,7 @@ impl<'tcx> MirPass<'tcx> for Validator { }; let always_live_locals = always_storage_live_locals(body); - let storage_liveness = MaybeStorageLive::new(always_live_locals) + let storage_liveness = MaybeStorageLive::new(std::borrow::Cow::Owned(always_live_locals)) .into_engine(tcx, body) .iterate_to_fixpoint() .into_results_cursor(body); @@ -79,7 +79,7 @@ struct TypeChecker<'a, 'tcx> { param_env: ParamEnv<'tcx>, mir_phase: MirPhase, reachable_blocks: BitSet<BasicBlock>, - storage_liveness: ResultsCursor<'a, 'tcx, MaybeStorageLive>, + storage_liveness: ResultsCursor<'a, 'tcx, MaybeStorageLive<'static>>, place_cache: Vec<PlaceRef<'tcx>>, value_cache: Vec<u128>, } diff --git a/compiler/rustc_const_eval/src/util/call_kind.rs b/compiler/rustc_const_eval/src/util/call_kind.rs index b38a6c55138..38d9b044981 100644 --- a/compiler/rustc_const_eval/src/util/call_kind.rs +++ b/compiler/rustc_const_eval/src/util/call_kind.rs @@ -5,7 +5,7 @@ use rustc_hir::def_id::DefId; use rustc_hir::{lang_items, LangItem}; use rustc_middle::ty::subst::SubstsRef; -use rustc_middle::ty::{self, AssocItemContainer, DefIdTree, Instance, ParamEnv, Ty, TyCtxt}; +use rustc_middle::ty::{AssocItemContainer, Instance, ParamEnv, Ty, TyCtxt}; use rustc_span::symbol::Ident; use rustc_span::{sym, DesugaringKind, Span}; @@ -39,9 +39,7 @@ pub enum CallKind<'tcx> { Normal { self_arg: Option<Ident>, desugaring: Option<(CallDesugaringKind, Ty<'tcx>)>, - /// Whether the self type of the method call has an `.as_ref()` method. - /// Used for better diagnostics. - is_option_or_result: bool, + method_did: DefId, }, /// A call to `Fn(..)::call(..)`, desugared from `my_closure(a, b, c)` FnCall { fn_trait_id: DefId, self_ty: Ty<'tcx> }, @@ -133,16 +131,6 @@ pub fn call_kind<'tcx>( } else { None }; - let parent_did = tcx.parent(method_did); - let parent_self_ty = (tcx.def_kind(parent_did) == rustc_hir::def::DefKind::Impl) - .then_some(parent_did) - .and_then(|did| match tcx.type_of(did).kind() { - ty::Adt(def, ..) => Some(def.did()), - _ => None, - }); - let is_option_or_result = parent_self_ty.map_or(false, |def_id| { - matches!(tcx.get_diagnostic_name(def_id), Some(sym::Option | sym::Result)) - }); - CallKind::Normal { self_arg, desugaring, is_option_or_result } + CallKind::Normal { self_arg, desugaring, method_did } }) } diff --git a/compiler/rustc_error_messages/locales/en-US/codegen_ssa.ftl b/compiler/rustc_error_messages/locales/en-US/codegen_ssa.ftl index 4d1f9c1c901..db4c82b35c7 100644 --- a/compiler/rustc_error_messages/locales/en-US/codegen_ssa.ftl +++ b/compiler/rustc_error_messages/locales/en-US/codegen_ssa.ftl @@ -192,3 +192,5 @@ codegen_ssa_archive_build_failure = codegen_ssa_unknown_archive_kind = Don't know how to build archive of type: {$kind} + +codegen_ssa_expected_used_symbol = expected `used`, `used(compiler)` or `used(linker)` diff --git a/compiler/rustc_error_messages/locales/en-US/hir_analysis.ftl b/compiler/rustc_error_messages/locales/en-US/hir_analysis.ftl index a9ea161b93e..e33323a7795 100644 --- a/compiler/rustc_error_messages/locales/en-US/hir_analysis.ftl +++ b/compiler/rustc_error_messages/locales/en-US/hir_analysis.ftl @@ -101,8 +101,6 @@ hir_analysis_extern_crate_not_idiomatic = `extern crate` is not idiomatic in the new edition .suggestion = convert it to a `{$msg_code}` -hir_analysis_expected_used_symbol = expected `used`, `used(compiler)` or `used(linker)` - hir_analysis_const_impl_for_non_const_trait = const `impl` for trait `{$trait_name}` which is not marked with `#[const_trait]` .suggestion = mark `{$trait_name}` as const diff --git a/compiler/rustc_errors/src/emitter.rs b/compiler/rustc_errors/src/emitter.rs index aaf0699f0dc..c62e358e804 100644 --- a/compiler/rustc_errors/src/emitter.rs +++ b/compiler/rustc_errors/src/emitter.rs @@ -1408,49 +1408,58 @@ impl EmitterWriter { if !sm.ensure_source_file_source_present(annotated_file.file.clone()) { if !self.short_message { // We'll just print an unannotated message. - for (annotation_id, line) in annotated_file.lines.into_iter().enumerate() { + for (annotation_id, line) in annotated_file.lines.iter().enumerate() { let mut annotations = line.annotations.clone(); annotations.sort_by_key(|a| Reverse(a.start_col)); let mut line_idx = buffer.num_lines(); - buffer.append( - line_idx, - &format!( - "{}:{}:{}", - sm.filename_for_diagnostics(&annotated_file.file.name), - sm.doctest_offset_line(&annotated_file.file.name, line.line_index), - annotations[0].start_col + 1, - ), - Style::LineAndColumn, - ); - if annotation_id == 0 { - buffer.prepend(line_idx, "--> ", Style::LineNumber); + + let labels: Vec<_> = annotations + .iter() + .filter_map(|a| Some((a.label.as_ref()?, a.is_primary))) + .filter(|(l, _)| !l.is_empty()) + .collect(); + + if annotation_id == 0 || !labels.is_empty() { + buffer.append( + line_idx, + &format!( + "{}:{}:{}", + sm.filename_for_diagnostics(&annotated_file.file.name), + sm.doctest_offset_line( + &annotated_file.file.name, + line.line_index + ), + annotations[0].start_col + 1, + ), + Style::LineAndColumn, + ); + if annotation_id == 0 { + buffer.prepend(line_idx, "--> ", Style::LineNumber); + } else { + buffer.prepend(line_idx, "::: ", Style::LineNumber); + } for _ in 0..max_line_num_len { buffer.prepend(line_idx, " ", Style::NoStyle); } line_idx += 1; - }; - for (i, annotation) in annotations.into_iter().enumerate() { - if let Some(label) = &annotation.label { - let style = if annotation.is_primary { - Style::LabelPrimary - } else { - Style::LabelSecondary - }; - if annotation_id == 0 { - buffer.prepend(line_idx, " |", Style::LineNumber); - for _ in 0..max_line_num_len { - buffer.prepend(line_idx, " ", Style::NoStyle); - } - line_idx += 1; - buffer.append(line_idx + i, " = note: ", style); - for _ in 0..max_line_num_len { - buffer.prepend(line_idx, " ", Style::NoStyle); - } - } else { - buffer.append(line_idx + i, ": ", style); - } - buffer.append(line_idx + i, label, style); + } + for (label, is_primary) in labels.into_iter() { + let style = if is_primary { + Style::LabelPrimary + } else { + Style::LabelSecondary + }; + buffer.prepend(line_idx, " |", Style::LineNumber); + for _ in 0..max_line_num_len { + buffer.prepend(line_idx, " ", Style::NoStyle); + } + line_idx += 1; + buffer.append(line_idx, " = note: ", style); + for _ in 0..max_line_num_len { + buffer.prepend(line_idx, " ", Style::NoStyle); } + buffer.append(line_idx, label, style); + line_idx += 1; } } } diff --git a/compiler/rustc_hir_analysis/src/collect.rs b/compiler/rustc_hir_analysis/src/collect.rs index 72288e5bc76..1eeaaf55e63 100644 --- a/compiler/rustc_hir_analysis/src/collect.rs +++ b/compiler/rustc_hir_analysis/src/collect.rs @@ -17,28 +17,20 @@ use crate::astconv::AstConv; use crate::check::intrinsic::intrinsic_operation_unsafety; use crate::errors; -use rustc_ast as ast; -use rustc_ast::{MetaItemKind, NestedMetaItem}; -use rustc_attr::{list_contains_name, InlineAttr, InstructionSetAttr, OptimizeAttr}; use rustc_data_structures::captures::Captures; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_errors::{struct_span_err, Applicability, DiagnosticBuilder, ErrorGuaranteed, StashKey}; use rustc_hir as hir; -use rustc_hir::def_id::{DefId, LocalDefId, LOCAL_CRATE}; +use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_hir::intravisit::{self, Visitor}; -use rustc_hir::weak_lang_items::WEAK_LANG_ITEMS; -use rustc_hir::{lang_items, GenericParamKind, LangItem, Node}; +use rustc_hir::{GenericParamKind, Node}; use rustc_middle::hir::nested_filter; -use rustc_middle::middle::codegen_fn_attrs::{CodegenFnAttrFlags, CodegenFnAttrs}; -use rustc_middle::mir::mono::Linkage; use rustc_middle::ty::query::Providers; use rustc_middle::ty::util::{Discr, IntTypeExt}; -use rustc_middle::ty::{self, AdtKind, Const, DefIdTree, IsSuggestable, ToPredicate, Ty, TyCtxt}; -use rustc_session::lint; -use rustc_session::parse::feature_err; +use rustc_middle::ty::{self, AdtKind, Const, IsSuggestable, ToPredicate, Ty, TyCtxt}; use rustc_span::symbol::{kw, sym, Ident, Symbol}; use rustc_span::Span; -use rustc_target::spec::{abi, SanitizerSet}; +use rustc_target::spec::abi; use rustc_trait_selection::traits::error_reporting::suggestions::NextTypeParamName; use std::iter; @@ -78,10 +70,7 @@ pub fn provide(providers: &mut Providers) { impl_polarity, is_foreign_item, generator_kind, - codegen_fn_attrs, - asm_target_features, collect_mod_item_types, - should_inherit_track_caller, ..*providers }; } @@ -1455,797 +1444,3 @@ fn generator_kind(tcx: TyCtxt<'_>, def_id: DefId) -> Option<hir::GeneratorKind> _ => bug!("generator_kind applied to non-local def-id {:?}", def_id), } } - -fn from_target_feature( - tcx: TyCtxt<'_>, - attr: &ast::Attribute, - supported_target_features: &FxHashMap<String, Option<Symbol>>, - target_features: &mut Vec<Symbol>, -) { - let Some(list) = attr.meta_item_list() else { return }; - let bad_item = |span| { - let msg = "malformed `target_feature` attribute input"; - let code = "enable = \"..\""; - tcx.sess - .struct_span_err(span, msg) - .span_suggestion(span, "must be of the form", code, Applicability::HasPlaceholders) - .emit(); - }; - let rust_features = tcx.features(); - for item in list { - // Only `enable = ...` is accepted in the meta-item list. - if !item.has_name(sym::enable) { - bad_item(item.span()); - continue; - } - - // Must be of the form `enable = "..."` (a string). - let Some(value) = item.value_str() else { - bad_item(item.span()); - continue; - }; - - // We allow comma separation to enable multiple features. - target_features.extend(value.as_str().split(',').filter_map(|feature| { - let Some(feature_gate) = supported_target_features.get(feature) else { - let msg = - format!("the feature named `{}` is not valid for this target", feature); - let mut err = tcx.sess.struct_span_err(item.span(), &msg); - err.span_label( - item.span(), - format!("`{}` is not valid for this target", feature), - ); - if let Some(stripped) = feature.strip_prefix('+') { - let valid = supported_target_features.contains_key(stripped); - if valid { - err.help("consider removing the leading `+` in the feature name"); - } - } - err.emit(); - return None; - }; - - // Only allow features whose feature gates have been enabled. - let allowed = match feature_gate.as_ref().copied() { - Some(sym::arm_target_feature) => rust_features.arm_target_feature, - Some(sym::hexagon_target_feature) => rust_features.hexagon_target_feature, - Some(sym::powerpc_target_feature) => rust_features.powerpc_target_feature, - Some(sym::mips_target_feature) => rust_features.mips_target_feature, - Some(sym::riscv_target_feature) => rust_features.riscv_target_feature, - Some(sym::avx512_target_feature) => rust_features.avx512_target_feature, - Some(sym::sse4a_target_feature) => rust_features.sse4a_target_feature, - Some(sym::tbm_target_feature) => rust_features.tbm_target_feature, - Some(sym::wasm_target_feature) => rust_features.wasm_target_feature, - Some(sym::cmpxchg16b_target_feature) => rust_features.cmpxchg16b_target_feature, - Some(sym::movbe_target_feature) => rust_features.movbe_target_feature, - Some(sym::rtm_target_feature) => rust_features.rtm_target_feature, - Some(sym::f16c_target_feature) => rust_features.f16c_target_feature, - Some(sym::ermsb_target_feature) => rust_features.ermsb_target_feature, - Some(sym::bpf_target_feature) => rust_features.bpf_target_feature, - Some(sym::aarch64_ver_target_feature) => rust_features.aarch64_ver_target_feature, - Some(name) => bug!("unknown target feature gate {}", name), - None => true, - }; - if !allowed { - feature_err( - &tcx.sess.parse_sess, - feature_gate.unwrap(), - item.span(), - &format!("the target feature `{}` is currently unstable", feature), - ) - .emit(); - } - Some(Symbol::intern(feature)) - })); - } -} - -fn linkage_by_name(tcx: TyCtxt<'_>, def_id: LocalDefId, name: &str) -> Linkage { - use rustc_middle::mir::mono::Linkage::*; - - // Use the names from src/llvm/docs/LangRef.rst here. Most types are only - // applicable to variable declarations and may not really make sense for - // Rust code in the first place but allow them anyway and trust that the - // user knows what they're doing. Who knows, unanticipated use cases may pop - // up in the future. - // - // ghost, dllimport, dllexport and linkonce_odr_autohide are not supported - // and don't have to be, LLVM treats them as no-ops. - match name { - "appending" => Appending, - "available_externally" => AvailableExternally, - "common" => Common, - "extern_weak" => ExternalWeak, - "external" => External, - "internal" => Internal, - "linkonce" => LinkOnceAny, - "linkonce_odr" => LinkOnceODR, - "private" => Private, - "weak" => WeakAny, - "weak_odr" => WeakODR, - _ => tcx.sess.span_fatal(tcx.def_span(def_id), "invalid linkage specified"), - } -} - -fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: DefId) -> CodegenFnAttrs { - if cfg!(debug_assertions) { - let def_kind = tcx.def_kind(did); - assert!( - def_kind.has_codegen_attrs(), - "unexpected `def_kind` in `codegen_fn_attrs`: {def_kind:?}", - ); - } - - let did = did.expect_local(); - let attrs = tcx.hir().attrs(tcx.hir().local_def_id_to_hir_id(did)); - let mut codegen_fn_attrs = CodegenFnAttrs::new(); - if tcx.should_inherit_track_caller(did) { - codegen_fn_attrs.flags |= CodegenFnAttrFlags::TRACK_CALLER; - } - - let supported_target_features = tcx.supported_target_features(LOCAL_CRATE); - - let mut inline_span = None; - let mut link_ordinal_span = None; - let mut no_sanitize_span = None; - for attr in attrs.iter() { - if attr.has_name(sym::cold) { - codegen_fn_attrs.flags |= CodegenFnAttrFlags::COLD; - } else if attr.has_name(sym::rustc_allocator) { - codegen_fn_attrs.flags |= CodegenFnAttrFlags::ALLOCATOR; - } else if attr.has_name(sym::ffi_returns_twice) { - if tcx.is_foreign_item(did) { - codegen_fn_attrs.flags |= CodegenFnAttrFlags::FFI_RETURNS_TWICE; - } else { - // `#[ffi_returns_twice]` is only allowed `extern fn`s. - struct_span_err!( - tcx.sess, - attr.span, - E0724, - "`#[ffi_returns_twice]` may only be used on foreign functions" - ) - .emit(); - } - } else if attr.has_name(sym::ffi_pure) { - if tcx.is_foreign_item(did) { - if attrs.iter().any(|a| a.has_name(sym::ffi_const)) { - // `#[ffi_const]` functions cannot be `#[ffi_pure]` - struct_span_err!( - tcx.sess, - attr.span, - E0757, - "`#[ffi_const]` function cannot be `#[ffi_pure]`" - ) - .emit(); - } else { - codegen_fn_attrs.flags |= CodegenFnAttrFlags::FFI_PURE; - } - } else { - // `#[ffi_pure]` is only allowed on foreign functions - struct_span_err!( - tcx.sess, - attr.span, - E0755, - "`#[ffi_pure]` may only be used on foreign functions" - ) - .emit(); - } - } else if attr.has_name(sym::ffi_const) { - if tcx.is_foreign_item(did) { - codegen_fn_attrs.flags |= CodegenFnAttrFlags::FFI_CONST; - } else { - // `#[ffi_const]` is only allowed on foreign functions - struct_span_err!( - tcx.sess, - attr.span, - E0756, - "`#[ffi_const]` may only be used on foreign functions" - ) - .emit(); - } - } else if attr.has_name(sym::rustc_nounwind) { - codegen_fn_attrs.flags |= CodegenFnAttrFlags::NEVER_UNWIND; - } else if attr.has_name(sym::rustc_reallocator) { - codegen_fn_attrs.flags |= CodegenFnAttrFlags::REALLOCATOR; - } else if attr.has_name(sym::rustc_deallocator) { - codegen_fn_attrs.flags |= CodegenFnAttrFlags::DEALLOCATOR; - } else if attr.has_name(sym::rustc_allocator_zeroed) { - codegen_fn_attrs.flags |= CodegenFnAttrFlags::ALLOCATOR_ZEROED; - } else if attr.has_name(sym::naked) { - codegen_fn_attrs.flags |= CodegenFnAttrFlags::NAKED; - } else if attr.has_name(sym::no_mangle) { - codegen_fn_attrs.flags |= CodegenFnAttrFlags::NO_MANGLE; - } else if attr.has_name(sym::no_coverage) { - codegen_fn_attrs.flags |= CodegenFnAttrFlags::NO_COVERAGE; - } else if attr.has_name(sym::rustc_std_internal_symbol) { - codegen_fn_attrs.flags |= CodegenFnAttrFlags::RUSTC_STD_INTERNAL_SYMBOL; - } else if attr.has_name(sym::used) { - let inner = attr.meta_item_list(); - match inner.as_deref() { - Some([item]) if item.has_name(sym::linker) => { - if !tcx.features().used_with_arg { - feature_err( - &tcx.sess.parse_sess, - sym::used_with_arg, - attr.span, - "`#[used(linker)]` is currently unstable", - ) - .emit(); - } - codegen_fn_attrs.flags |= CodegenFnAttrFlags::USED_LINKER; - } - Some([item]) if item.has_name(sym::compiler) => { - if !tcx.features().used_with_arg { - feature_err( - &tcx.sess.parse_sess, - sym::used_with_arg, - attr.span, - "`#[used(compiler)]` is currently unstable", - ) - .emit(); - } - codegen_fn_attrs.flags |= CodegenFnAttrFlags::USED; - } - Some(_) => { - tcx.sess.emit_err(errors::ExpectedUsedSymbol { span: attr.span }); - } - None => { - // Unfortunately, unconditionally using `llvm.used` causes - // issues in handling `.init_array` with the gold linker, - // but using `llvm.compiler.used` caused a nontrival amount - // of unintentional ecosystem breakage -- particularly on - // Mach-O targets. - // - // As a result, we emit `llvm.compiler.used` only on ELF - // targets. This is somewhat ad-hoc, but actually follows - // our pre-LLVM 13 behavior (prior to the ecosystem - // breakage), and seems to match `clang`'s behavior as well - // (both before and after LLVM 13), possibly because they - // have similar compatibility concerns to us. See - // https://github.com/rust-lang/rust/issues/47384#issuecomment-1019080146 - // and following comments for some discussion of this, as - // well as the comments in `rustc_codegen_llvm` where these - // flags are handled. - // - // Anyway, to be clear: this is still up in the air - // somewhat, and is subject to change in the future (which - // is a good thing, because this would ideally be a bit - // more firmed up). - let is_like_elf = !(tcx.sess.target.is_like_osx - || tcx.sess.target.is_like_windows - || tcx.sess.target.is_like_wasm); - codegen_fn_attrs.flags |= if is_like_elf { - CodegenFnAttrFlags::USED - } else { - CodegenFnAttrFlags::USED_LINKER - }; - } - } - } else if attr.has_name(sym::cmse_nonsecure_entry) { - if !matches!(tcx.fn_sig(did).abi(), abi::Abi::C { .. }) { - struct_span_err!( - tcx.sess, - attr.span, - E0776, - "`#[cmse_nonsecure_entry]` requires C ABI" - ) - .emit(); - } - if !tcx.sess.target.llvm_target.contains("thumbv8m") { - struct_span_err!(tcx.sess, attr.span, E0775, "`#[cmse_nonsecure_entry]` is only valid for targets with the TrustZone-M extension") - .emit(); - } - codegen_fn_attrs.flags |= CodegenFnAttrFlags::CMSE_NONSECURE_ENTRY; - } else if attr.has_name(sym::thread_local) { - codegen_fn_attrs.flags |= CodegenFnAttrFlags::THREAD_LOCAL; - } else if attr.has_name(sym::track_caller) { - if !tcx.is_closure(did.to_def_id()) && tcx.fn_sig(did).abi() != abi::Abi::Rust { - struct_span_err!(tcx.sess, attr.span, E0737, "`#[track_caller]` requires Rust ABI") - .emit(); - } - if tcx.is_closure(did.to_def_id()) && !tcx.features().closure_track_caller { - feature_err( - &tcx.sess.parse_sess, - sym::closure_track_caller, - attr.span, - "`#[track_caller]` on closures is currently unstable", - ) - .emit(); - } - codegen_fn_attrs.flags |= CodegenFnAttrFlags::TRACK_CALLER; - } else if attr.has_name(sym::export_name) { - if let Some(s) = attr.value_str() { - if s.as_str().contains('\0') { - // `#[export_name = ...]` will be converted to a null-terminated string, - // so it may not contain any null characters. - struct_span_err!( - tcx.sess, - attr.span, - E0648, - "`export_name` may not contain null characters" - ) - .emit(); - } - codegen_fn_attrs.export_name = Some(s); - } - } else if attr.has_name(sym::target_feature) { - if !tcx.is_closure(did.to_def_id()) - && tcx.fn_sig(did).unsafety() == hir::Unsafety::Normal - { - if tcx.sess.target.is_like_wasm || tcx.sess.opts.actually_rustdoc { - // The `#[target_feature]` attribute is allowed on - // WebAssembly targets on all functions, including safe - // ones. Other targets require that `#[target_feature]` is - // only applied to unsafe functions (pending the - // `target_feature_11` feature) because on most targets - // execution of instructions that are not supported is - // considered undefined behavior. For WebAssembly which is a - // 100% safe target at execution time it's not possible to - // execute undefined instructions, and even if a future - // feature was added in some form for this it would be a - // deterministic trap. There is no undefined behavior when - // executing WebAssembly so `#[target_feature]` is allowed - // on safe functions (but again, only for WebAssembly) - // - // Note that this is also allowed if `actually_rustdoc` so - // if a target is documenting some wasm-specific code then - // it's not spuriously denied. - } else if !tcx.features().target_feature_11 { - let mut err = feature_err( - &tcx.sess.parse_sess, - sym::target_feature_11, - attr.span, - "`#[target_feature(..)]` can only be applied to `unsafe` functions", - ); - err.span_label(tcx.def_span(did), "not an `unsafe` function"); - err.emit(); - } else { - check_target_feature_trait_unsafe(tcx, did, attr.span); - } - } - from_target_feature( - tcx, - attr, - supported_target_features, - &mut codegen_fn_attrs.target_features, - ); - } else if attr.has_name(sym::linkage) { - if let Some(val) = attr.value_str() { - let linkage = Some(linkage_by_name(tcx, did, val.as_str())); - if tcx.is_foreign_item(did) { - codegen_fn_attrs.import_linkage = linkage; - } else { - codegen_fn_attrs.linkage = linkage; - } - } - } else if attr.has_name(sym::link_section) { - if let Some(val) = attr.value_str() { - if val.as_str().bytes().any(|b| b == 0) { - let msg = format!( - "illegal null byte in link_section \ - value: `{}`", - &val - ); - tcx.sess.span_err(attr.span, &msg); - } else { - codegen_fn_attrs.link_section = Some(val); - } - } - } else if attr.has_name(sym::link_name) { - codegen_fn_attrs.link_name = attr.value_str(); - } else if attr.has_name(sym::link_ordinal) { - link_ordinal_span = Some(attr.span); - if let ordinal @ Some(_) = check_link_ordinal(tcx, attr) { - codegen_fn_attrs.link_ordinal = ordinal; - } - } else if attr.has_name(sym::no_sanitize) { - no_sanitize_span = Some(attr.span); - if let Some(list) = attr.meta_item_list() { - for item in list.iter() { - if item.has_name(sym::address) { - codegen_fn_attrs.no_sanitize |= SanitizerSet::ADDRESS; - } else if item.has_name(sym::cfi) { - codegen_fn_attrs.no_sanitize |= SanitizerSet::CFI; - } else if item.has_name(sym::kcfi) { - codegen_fn_attrs.no_sanitize |= SanitizerSet::KCFI; - } else if item.has_name(sym::memory) { - codegen_fn_attrs.no_sanitize |= SanitizerSet::MEMORY; - } else if item.has_name(sym::memtag) { - codegen_fn_attrs.no_sanitize |= SanitizerSet::MEMTAG; - } else if item.has_name(sym::shadow_call_stack) { - codegen_fn_attrs.no_sanitize |= SanitizerSet::SHADOWCALLSTACK; - } else if item.has_name(sym::thread) { - codegen_fn_attrs.no_sanitize |= SanitizerSet::THREAD; - } else if item.has_name(sym::hwaddress) { - codegen_fn_attrs.no_sanitize |= SanitizerSet::HWADDRESS; - } else { - tcx.sess - .struct_span_err(item.span(), "invalid argument for `no_sanitize`") - .note("expected one of: `address`, `cfi`, `hwaddress`, `kcfi`, `memory`, `memtag`, `shadow-call-stack`, or `thread`") - .emit(); - } - } - } - } else if attr.has_name(sym::instruction_set) { - codegen_fn_attrs.instruction_set = match attr.meta_kind() { - Some(MetaItemKind::List(ref items)) => match items.as_slice() { - [NestedMetaItem::MetaItem(set)] => { - let segments = - set.path.segments.iter().map(|x| x.ident.name).collect::<Vec<_>>(); - match segments.as_slice() { - [sym::arm, sym::a32] | [sym::arm, sym::t32] => { - if !tcx.sess.target.has_thumb_interworking { - struct_span_err!( - tcx.sess.diagnostic(), - attr.span, - E0779, - "target does not support `#[instruction_set]`" - ) - .emit(); - None - } else if segments[1] == sym::a32 { - Some(InstructionSetAttr::ArmA32) - } else if segments[1] == sym::t32 { - Some(InstructionSetAttr::ArmT32) - } else { - unreachable!() - } - } - _ => { - struct_span_err!( - tcx.sess.diagnostic(), - attr.span, - E0779, - "invalid instruction set specified", - ) - .emit(); - None - } - } - } - [] => { - struct_span_err!( - tcx.sess.diagnostic(), - attr.span, - E0778, - "`#[instruction_set]` requires an argument" - ) - .emit(); - None - } - _ => { - struct_span_err!( - tcx.sess.diagnostic(), - attr.span, - E0779, - "cannot specify more than one instruction set" - ) - .emit(); - None - } - }, - _ => { - struct_span_err!( - tcx.sess.diagnostic(), - attr.span, - E0778, - "must specify an instruction set" - ) - .emit(); - None - } - }; - } else if attr.has_name(sym::repr) { - codegen_fn_attrs.alignment = match attr.meta_item_list() { - Some(items) => match items.as_slice() { - [item] => match item.name_value_literal() { - Some((sym::align, literal)) => { - let alignment = rustc_attr::parse_alignment(&literal.kind); - - match alignment { - Ok(align) => Some(align), - Err(msg) => { - struct_span_err!( - tcx.sess.diagnostic(), - attr.span, - E0589, - "invalid `repr(align)` attribute: {}", - msg - ) - .emit(); - - None - } - } - } - _ => None, - }, - [] => None, - _ => None, - }, - None => None, - }; - } - } - - codegen_fn_attrs.inline = attrs.iter().fold(InlineAttr::None, |ia, attr| { - if !attr.has_name(sym::inline) { - return ia; - } - match attr.meta_kind() { - Some(MetaItemKind::Word) => InlineAttr::Hint, - Some(MetaItemKind::List(ref items)) => { - inline_span = Some(attr.span); - if items.len() != 1 { - struct_span_err!( - tcx.sess.diagnostic(), - attr.span, - E0534, - "expected one argument" - ) - .emit(); - InlineAttr::None - } else if list_contains_name(&items, sym::always) { - InlineAttr::Always - } else if list_contains_name(&items, sym::never) { - InlineAttr::Never - } else { - struct_span_err!( - tcx.sess.diagnostic(), - items[0].span(), - E0535, - "invalid argument" - ) - .help("valid inline arguments are `always` and `never`") - .emit(); - - InlineAttr::None - } - } - Some(MetaItemKind::NameValue(_)) => ia, - None => ia, - } - }); - - codegen_fn_attrs.optimize = attrs.iter().fold(OptimizeAttr::None, |ia, attr| { - if !attr.has_name(sym::optimize) { - return ia; - } - let err = |sp, s| struct_span_err!(tcx.sess.diagnostic(), sp, E0722, "{}", s).emit(); - match attr.meta_kind() { - Some(MetaItemKind::Word) => { - err(attr.span, "expected one argument"); - ia - } - Some(MetaItemKind::List(ref items)) => { - inline_span = Some(attr.span); - if items.len() != 1 { - err(attr.span, "expected one argument"); - OptimizeAttr::None - } else if list_contains_name(&items, sym::size) { - OptimizeAttr::Size - } else if list_contains_name(&items, sym::speed) { - OptimizeAttr::Speed - } else { - err(items[0].span(), "invalid argument"); - OptimizeAttr::None - } - } - Some(MetaItemKind::NameValue(_)) => ia, - None => ia, - } - }); - - // #73631: closures inherit `#[target_feature]` annotations - if tcx.features().target_feature_11 && tcx.is_closure(did.to_def_id()) { - let owner_id = tcx.parent(did.to_def_id()); - if tcx.def_kind(owner_id).has_codegen_attrs() { - codegen_fn_attrs - .target_features - .extend(tcx.codegen_fn_attrs(owner_id).target_features.iter().copied()); - } - } - - // If a function uses #[target_feature] it can't be inlined into general - // purpose functions as they wouldn't have the right target features - // enabled. For that reason we also forbid #[inline(always)] as it can't be - // respected. - if !codegen_fn_attrs.target_features.is_empty() { - if codegen_fn_attrs.inline == InlineAttr::Always { - if let Some(span) = inline_span { - tcx.sess.span_err( - span, - "cannot use `#[inline(always)]` with \ - `#[target_feature]`", - ); - } - } - } - - if !codegen_fn_attrs.no_sanitize.is_empty() { - if codegen_fn_attrs.inline == InlineAttr::Always { - if let (Some(no_sanitize_span), Some(inline_span)) = (no_sanitize_span, inline_span) { - let hir_id = tcx.hir().local_def_id_to_hir_id(did); - tcx.struct_span_lint_hir( - lint::builtin::INLINE_NO_SANITIZE, - hir_id, - no_sanitize_span, - "`no_sanitize` will have no effect after inlining", - |lint| lint.span_note(inline_span, "inlining requested here"), - ) - } - } - } - - if codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::NAKED) { - codegen_fn_attrs.flags |= CodegenFnAttrFlags::NO_COVERAGE; - codegen_fn_attrs.inline = InlineAttr::Never; - } - - // Weak lang items have the same semantics as "std internal" symbols in the - // sense that they're preserved through all our LTO passes and only - // strippable by the linker. - // - // Additionally weak lang items have predetermined symbol names. - if WEAK_LANG_ITEMS.iter().any(|&l| tcx.lang_items().get(l) == Some(did.to_def_id())) { - codegen_fn_attrs.flags |= CodegenFnAttrFlags::RUSTC_STD_INTERNAL_SYMBOL; - } - if let Some((name, _)) = lang_items::extract(attrs) - && let Some(lang_item) = LangItem::from_name(name) - && let Some(link_name) = lang_item.link_name() - { - codegen_fn_attrs.export_name = Some(link_name); - codegen_fn_attrs.link_name = Some(link_name); - } - check_link_name_xor_ordinal(tcx, &codegen_fn_attrs, link_ordinal_span); - - // Internal symbols to the standard library all have no_mangle semantics in - // that they have defined symbol names present in the function name. This - // also applies to weak symbols where they all have known symbol names. - if codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::RUSTC_STD_INTERNAL_SYMBOL) { - codegen_fn_attrs.flags |= CodegenFnAttrFlags::NO_MANGLE; - } - - // Any linkage to LLVM intrinsics for now forcibly marks them all as never - // unwinds since LLVM sometimes can't handle codegen which `invoke`s - // intrinsic functions. - if let Some(name) = &codegen_fn_attrs.link_name { - if name.as_str().starts_with("llvm.") { - codegen_fn_attrs.flags |= CodegenFnAttrFlags::NEVER_UNWIND; - } - } - - codegen_fn_attrs -} - -/// Computes the set of target features used in a function for the purposes of -/// inline assembly. -fn asm_target_features<'tcx>(tcx: TyCtxt<'tcx>, did: DefId) -> &'tcx FxHashSet<Symbol> { - let mut target_features = tcx.sess.unstable_target_features.clone(); - if tcx.def_kind(did).has_codegen_attrs() { - let attrs = tcx.codegen_fn_attrs(did); - target_features.extend(&attrs.target_features); - match attrs.instruction_set { - None => {} - Some(InstructionSetAttr::ArmA32) => { - target_features.remove(&sym::thumb_mode); - } - Some(InstructionSetAttr::ArmT32) => { - target_features.insert(sym::thumb_mode); - } - } - } - - tcx.arena.alloc(target_features) -} - -/// Checks if the provided DefId is a method in a trait impl for a trait which has track_caller -/// applied to the method prototype. -fn should_inherit_track_caller(tcx: TyCtxt<'_>, def_id: DefId) -> bool { - if let Some(impl_item) = tcx.opt_associated_item(def_id) - && let ty::AssocItemContainer::ImplContainer = impl_item.container - && let Some(trait_item) = impl_item.trait_item_def_id - { - return tcx - .codegen_fn_attrs(trait_item) - .flags - .intersects(CodegenFnAttrFlags::TRACK_CALLER); - } - - false -} - -fn check_link_ordinal(tcx: TyCtxt<'_>, attr: &ast::Attribute) -> Option<u16> { - use rustc_ast::{LitIntType, LitKind, MetaItemLit}; - if !tcx.features().raw_dylib && tcx.sess.target.arch == "x86" { - feature_err( - &tcx.sess.parse_sess, - sym::raw_dylib, - attr.span, - "`#[link_ordinal]` is unstable on x86", - ) - .emit(); - } - let meta_item_list = attr.meta_item_list(); - let meta_item_list = meta_item_list.as_deref(); - let sole_meta_list = match meta_item_list { - Some([item]) => item.lit(), - Some(_) => { - tcx.sess - .struct_span_err(attr.span, "incorrect number of arguments to `#[link_ordinal]`") - .note("the attribute requires exactly one argument") - .emit(); - return None; - } - _ => None, - }; - if let Some(MetaItemLit { kind: LitKind::Int(ordinal, LitIntType::Unsuffixed), .. }) = - sole_meta_list - { - // According to the table at https://docs.microsoft.com/en-us/windows/win32/debug/pe-format#import-header, - // the ordinal must fit into 16 bits. Similarly, the Ordinal field in COFFShortExport (defined - // in llvm/include/llvm/Object/COFFImportFile.h), which we use to communicate import information - // to LLVM for `#[link(kind = "raw-dylib"_])`, is also defined to be uint16_t. - // - // FIXME: should we allow an ordinal of 0? The MSVC toolchain has inconsistent support for this: - // both LINK.EXE and LIB.EXE signal errors and abort when given a .DEF file that specifies - // a zero ordinal. However, llvm-dlltool is perfectly happy to generate an import library - // for such a .DEF file, and MSVC's LINK.EXE is also perfectly happy to consume an import - // library produced by LLVM with an ordinal of 0, and it generates an .EXE. (I don't know yet - // if the resulting EXE runs, as I haven't yet built the necessary DLL -- see earlier comment - // about LINK.EXE failing.) - if *ordinal <= u16::MAX as u128 { - Some(*ordinal as u16) - } else { - let msg = format!("ordinal value in `link_ordinal` is too large: `{}`", &ordinal); - tcx.sess - .struct_span_err(attr.span, &msg) - .note("the value may not exceed `u16::MAX`") - .emit(); - None - } - } else { - tcx.sess - .struct_span_err(attr.span, "illegal ordinal format in `link_ordinal`") - .note("an unsuffixed integer value, e.g., `1`, is expected") - .emit(); - None - } -} - -fn check_link_name_xor_ordinal( - tcx: TyCtxt<'_>, - codegen_fn_attrs: &CodegenFnAttrs, - inline_span: Option<Span>, -) { - if codegen_fn_attrs.link_name.is_none() || codegen_fn_attrs.link_ordinal.is_none() { - return; - } - let msg = "cannot use `#[link_name]` with `#[link_ordinal]`"; - if let Some(span) = inline_span { - tcx.sess.span_err(span, msg); - } else { - tcx.sess.err(msg); - } -} - -/// Checks the function annotated with `#[target_feature]` is not a safe -/// trait method implementation, reporting an error if it is. -fn check_target_feature_trait_unsafe(tcx: TyCtxt<'_>, id: LocalDefId, attr_span: Span) { - let hir_id = tcx.hir().local_def_id_to_hir_id(id); - let node = tcx.hir().get(hir_id); - if let Node::ImplItem(hir::ImplItem { kind: hir::ImplItemKind::Fn(..), .. }) = node { - let parent_id = tcx.hir().get_parent_item(hir_id); - let parent_item = tcx.hir().expect_item(parent_id.def_id); - if let hir::ItemKind::Impl(hir::Impl { of_trait: Some(_), .. }) = parent_item.kind { - tcx.sess - .struct_span_err( - attr_span, - "`#[target_feature(..)]` cannot be applied to safe trait method", - ) - .span_label(attr_span, "cannot be applied to safe trait method") - .span_label(tcx.def_span(id), "not an `unsafe` function") - .emit(); - } - } -} diff --git a/compiler/rustc_hir_analysis/src/collect/predicates_of.rs b/compiler/rustc_hir_analysis/src/collect/predicates_of.rs index 45e241f4e09..19a1b5da41d 100644 --- a/compiler/rustc_hir_analysis/src/collect/predicates_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/predicates_of.rs @@ -75,7 +75,7 @@ fn gather_explicit_predicates_of(tcx: TyCtxt<'_>, def_id: DefId) -> ty::GenericP const NO_GENERICS: &hir::Generics<'_> = hir::Generics::empty(); - // We use an `IndexSet` to preserves order of insertion. + // We use an `IndexSet` to preserve order of insertion. // Preserving the order of insertion is important here so as not to break UI tests. let mut predicates: FxIndexSet<(ty::Predicate<'_>, Span)> = FxIndexSet::default(); @@ -97,11 +97,7 @@ fn gather_explicit_predicates_of(tcx: TyCtxt<'_>, def_id: DefId) -> ty::GenericP | ItemKind::Struct(_, ref generics) | ItemKind::Union(_, ref generics) => *generics, - ItemKind::Trait(_, _, ref generics, ..) => { - is_trait = Some(ty::TraitRef::identity(tcx, def_id)); - *generics - } - ItemKind::TraitAlias(ref generics, _) => { + ItemKind::Trait(_, _, ref generics, ..) | ItemKind::TraitAlias(ref generics, _) => { is_trait = Some(ty::TraitRef::identity(tcx, def_id)); *generics } @@ -406,9 +402,10 @@ pub(super) fn explicit_predicates_of<'tcx>( // For a predicate from a where clause to become a bound on an // associated type: // * It must use the identity substs of the item. - // * Since any generic parameters on the item are not in scope, - // this means that the item is not a GAT, and its identity - // substs are the same as the trait's. + // * We're in the scope of the trait, so we can't name any + // parameters of the GAT. That means that all we need to + // check are that the substs of the projection are the + // identity substs of the trait. // * It must be an associated type for this trait (*not* a // supertrait). if let ty::Projection(projection) = ty.kind() { diff --git a/compiler/rustc_hir_analysis/src/errors.rs b/compiler/rustc_hir_analysis/src/errors.rs index c92ab749bc1..d9697c63c56 100644 --- a/compiler/rustc_hir_analysis/src/errors.rs +++ b/compiler/rustc_hir_analysis/src/errors.rs @@ -254,13 +254,6 @@ pub struct ExternCrateNotIdiomatic { } #[derive(Diagnostic)] -#[diag(hir_analysis_expected_used_symbol)] -pub struct ExpectedUsedSymbol { - #[primary_span] - pub span: Span, -} - -#[derive(Diagnostic)] #[diag(hir_analysis_const_impl_for_non_const_trait)] pub struct ConstImplForNonConstTrait { #[primary_span] diff --git a/compiler/rustc_hir_typeck/src/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs index db93cfab2c0..2d3b4663f06 100644 --- a/compiler/rustc_hir_typeck/src/method/suggest.rs +++ b/compiler/rustc_hir_typeck/src/method/suggest.rs @@ -1853,7 +1853,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { )], ) { let mut derives = Vec::<(String, Span, Symbol)>::new(); - let mut traits = Vec::<Span>::new(); + let mut traits = Vec::new(); for (pred, _, _) in unsatisfied_predicates { let ty::PredicateKind::Clause(ty::Clause::Trait(trait_pred)) = pred.kind().skip_binder() else { continue }; let adt = match trait_pred.self_ty().ty_adt_def() { @@ -1892,10 +1892,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } derives.push((self_name, self_span, diagnostic_name)); } else { - traits.push(self.tcx.def_span(trait_pred.def_id())); + traits.push(trait_pred.def_id()); } } else { - traits.push(self.tcx.def_span(trait_pred.def_id())); + traits.push(trait_pred.def_id()); } } traits.sort(); @@ -1918,10 +1918,23 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let len = traits.len(); if len > 0 { - let span: MultiSpan = traits.into(); + let span = + MultiSpan::from_spans(traits.iter().map(|&did| self.tcx.def_span(did)).collect()); + let mut names = format!("`{}`", self.tcx.def_path_str(traits[0])); + for (i, &did) in traits.iter().enumerate().skip(1) { + if len > 2 { + names.push_str(", "); + } + if i == len - 1 { + names.push_str(" and "); + } + names.push('`'); + names.push_str(&self.tcx.def_path_str(did)); + names.push('`'); + } err.span_note( span, - &format!("the following trait{} must be implemented", pluralize!(len),), + &format!("the trait{} {} must be implemented", pluralize!(len), names), ); } diff --git a/compiler/rustc_metadata/src/rmeta/decoder.rs b/compiler/rustc_metadata/src/rmeta/decoder.rs index af7b0793a95..4370d4bd758 100644 --- a/compiler/rustc_metadata/src/rmeta/decoder.rs +++ b/compiler/rustc_metadata/src/rmeta/decoder.rs @@ -1527,13 +1527,15 @@ impl<'a, 'tcx> CrateMetadataRef<'a> { if let Some(virtual_dir) = &sess.opts.unstable_opts.simulate_remapped_rust_src_base { if let Some(real_dir) = &sess.opts.real_rust_source_base_dir { - if let rustc_span::FileName::Real(ref mut old_name) = name { - if let rustc_span::RealFileName::LocalPath(local) = old_name { - if let Ok(rest) = local.strip_prefix(real_dir) { - *old_name = rustc_span::RealFileName::Remapped { - local_path: None, - virtual_name: virtual_dir.join(rest), - }; + for subdir in ["library", "compiler"] { + if let rustc_span::FileName::Real(ref mut old_name) = name { + if let rustc_span::RealFileName::LocalPath(local) = old_name { + if let Ok(rest) = local.strip_prefix(real_dir.join(subdir)) { + *old_name = rustc_span::RealFileName::Remapped { + local_path: None, + virtual_name: virtual_dir.join(subdir).join(rest), + }; + } } } } diff --git a/compiler/rustc_middle/src/ty/subst.rs b/compiler/rustc_middle/src/ty/subst.rs index a1b084a5e89..f8385c47016 100644 --- a/compiler/rustc_middle/src/ty/subst.rs +++ b/compiler/rustc_middle/src/ty/subst.rs @@ -252,7 +252,7 @@ impl<'tcx, D: TyDecoder<I = TyCtxt<'tcx>>> Decodable<D> for GenericArg<'tcx> { } } -/// A substitution mapping generic parameters to new values. +/// List of generic arguments that are gonna be used to substitute generic parameters. pub type InternalSubsts<'tcx> = List<GenericArg<'tcx>>; pub type SubstsRef<'tcx> = &'tcx InternalSubsts<'tcx>; diff --git a/compiler/rustc_mir_build/src/build/block.rs b/compiler/rustc_mir_build/src/build/block.rs index 49d7136a2f1..7b19acf7073 100644 --- a/compiler/rustc_mir_build/src/build/block.rs +++ b/compiler/rustc_mir_build/src/build/block.rs @@ -231,7 +231,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { remainder_span, pattern, None, - Some((None, initializer_span)), + Some((Some(&destination), initializer_span)), ); this.visit_primary_bindings( pattern, diff --git a/compiler/rustc_mir_build/src/build/custom/mod.rs b/compiler/rustc_mir_build/src/build/custom/mod.rs index eb021f47757..1fd2e40c187 100644 --- a/compiler/rustc_mir_build/src/build/custom/mod.rs +++ b/compiler/rustc_mir_build/src/build/custom/mod.rs @@ -20,6 +20,7 @@ use rustc_ast::Attribute; use rustc_data_structures::fx::FxHashMap; use rustc_hir::def_id::DefId; +use rustc_hir::HirId; use rustc_index::vec::IndexVec; use rustc_middle::{ mir::*, @@ -33,6 +34,7 @@ mod parse; pub(super) fn build_custom_mir<'tcx>( tcx: TyCtxt<'tcx>, did: DefId, + hir_id: HirId, thir: &Thir<'tcx>, expr: ExprId, params: &IndexVec<ParamId, Param<'tcx>>, @@ -67,7 +69,10 @@ pub(super) fn build_custom_mir<'tcx>( parent_scope: None, inlined: None, inlined_parent_scope: None, - local_data: ClearCrossCrate::Clear, + local_data: ClearCrossCrate::Set(SourceScopeLocalData { + lint_root: hir_id, + safety: Safety::Safe, + }), }); body.injection_phase = Some(parse_attribute(attr)); diff --git a/compiler/rustc_mir_build/src/build/mod.rs b/compiler/rustc_mir_build/src/build/mod.rs index 007f3b55ec8..7af89dd472f 100644 --- a/compiler/rustc_mir_build/src/build/mod.rs +++ b/compiler/rustc_mir_build/src/build/mod.rs @@ -487,6 +487,7 @@ fn construct_fn<'tcx>( return custom::build_custom_mir( tcx, fn_def.did.to_def_id(), + fn_id, thir, expr, arguments, diff --git a/compiler/rustc_mir_build/src/check_unsafety.rs b/compiler/rustc_mir_build/src/check_unsafety.rs index fb1ea9ed300..3bb1f51650a 100644 --- a/compiler/rustc_mir_build/src/check_unsafety.rs +++ b/compiler/rustc_mir_build/src/check_unsafety.rs @@ -132,6 +132,18 @@ impl<'tcx> UnsafetyVisitor<'_, 'tcx> { fn unsafe_op_in_unsafe_fn_allowed(&self) -> bool { self.tcx.lint_level_at_node(UNSAFE_OP_IN_UNSAFE_FN, self.hir_context).0 == Level::Allow } + + /// Handle closures/generators/inline-consts, which is unsafecked with their parent body. + fn visit_inner_body(&mut self, def: ty::WithOptConstParam<LocalDefId>) { + if let Ok((inner_thir, expr)) = self.tcx.thir_body(def) { + let inner_thir = &inner_thir.borrow(); + let hir_context = self.tcx.hir().local_def_id_to_hir_id(def.did); + let mut inner_visitor = UnsafetyVisitor { thir: inner_thir, hir_context, ..*self }; + inner_visitor.visit_expr(&inner_thir[expr]); + // Unsafe blocks can be used in the inner body, make sure to take it into account + self.safety_context = inner_visitor.safety_context; + } + } } // Searches for accesses to layout constrained fields. @@ -408,16 +420,11 @@ impl<'a, 'tcx> Visitor<'a, 'tcx> for UnsafetyVisitor<'a, 'tcx> { } else { ty::WithOptConstParam::unknown(closure_id) }; - let (closure_thir, expr) = self.tcx.thir_body(closure_def).unwrap_or_else(|_| { - (self.tcx.alloc_steal_thir(Thir::new()), ExprId::from_u32(0)) - }); - let closure_thir = &closure_thir.borrow(); - let hir_context = self.tcx.hir().local_def_id_to_hir_id(closure_id); - let mut closure_visitor = - UnsafetyVisitor { thir: closure_thir, hir_context, ..*self }; - closure_visitor.visit_expr(&closure_thir[expr]); - // Unsafe blocks can be used in closures, make sure to take it into account - self.safety_context = closure_visitor.safety_context; + self.visit_inner_body(closure_def); + } + ExprKind::ConstBlock { did, substs: _ } => { + let def_id = did.expect_local(); + self.visit_inner_body(ty::WithOptConstParam::unknown(def_id)); } ExprKind::Field { lhs, .. } => { let lhs = &self.thir[lhs]; @@ -612,11 +619,8 @@ pub fn check_unsafety<'tcx>(tcx: TyCtxt<'tcx>, def: ty::WithOptConstParam<LocalD return; } - // Closures are handled by their owner, if it has a body - if tcx.is_closure(def.did.to_def_id()) { - let hir = tcx.hir(); - let owner = hir.enclosing_body_owner(hir.local_def_id_to_hir_id(def.did)); - tcx.ensure().thir_check_unsafety(owner); + // Closures and inline consts are handled by their owner, if it has a body + if tcx.is_typeck_child(def.did.to_def_id()) { return; } diff --git a/compiler/rustc_mir_dataflow/src/impls/storage_liveness.rs b/compiler/rustc_mir_dataflow/src/impls/storage_liveness.rs index 18760b6c6fa..8d379b90a86 100644 --- a/compiler/rustc_mir_dataflow/src/impls/storage_liveness.rs +++ b/compiler/rustc_mir_dataflow/src/impls/storage_liveness.rs @@ -3,20 +3,21 @@ pub use super::*; use crate::{CallReturnPlaces, GenKill, Results, ResultsRefCursor}; use rustc_middle::mir::visit::{NonMutatingUseContext, PlaceContext, Visitor}; use rustc_middle::mir::*; +use std::borrow::Cow; use std::cell::RefCell; #[derive(Clone)] -pub struct MaybeStorageLive { - always_live_locals: BitSet<Local>, +pub struct MaybeStorageLive<'a> { + always_live_locals: Cow<'a, BitSet<Local>>, } -impl MaybeStorageLive { - pub fn new(always_live_locals: BitSet<Local>) -> Self { +impl<'a> MaybeStorageLive<'a> { + pub fn new(always_live_locals: Cow<'a, BitSet<Local>>) -> Self { MaybeStorageLive { always_live_locals } } } -impl<'tcx> crate::AnalysisDomain<'tcx> for MaybeStorageLive { +impl<'tcx, 'a> crate::AnalysisDomain<'tcx> for MaybeStorageLive<'a> { type Domain = BitSet<Local>; const NAME: &'static str = "maybe_storage_live"; @@ -38,7 +39,7 @@ impl<'tcx> crate::AnalysisDomain<'tcx> for MaybeStorageLive { } } -impl<'tcx> crate::GenKillAnalysis<'tcx> for MaybeStorageLive { +impl<'tcx, 'a> crate::GenKillAnalysis<'tcx> for MaybeStorageLive<'a> { type Idx = Local; fn statement_effect( diff --git a/compiler/rustc_mir_transform/src/check_unsafety.rs b/compiler/rustc_mir_transform/src/check_unsafety.rs index e783d189137..782abd7804d 100644 --- a/compiler/rustc_mir_transform/src/check_unsafety.rs +++ b/compiler/rustc_mir_transform/src/check_unsafety.rs @@ -1,6 +1,7 @@ use rustc_data_structures::fx::FxHashSet; use rustc_errors::struct_span_err; use rustc_hir as hir; +use rustc_hir::def::DefKind; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_hir::hir_id::HirId; use rustc_hir::intravisit; @@ -134,6 +135,28 @@ impl<'tcx> Visitor<'tcx> for UnsafetyChecker<'_, 'tcx> { self.super_rvalue(rvalue, location); } + fn visit_operand(&mut self, op: &Operand<'tcx>, location: Location) { + if let Operand::Constant(constant) = op { + let maybe_uneval = match constant.literal { + ConstantKind::Val(..) | ConstantKind::Ty(_) => None, + ConstantKind::Unevaluated(uv, _) => Some(uv), + }; + + if let Some(uv) = maybe_uneval { + if uv.promoted.is_none() { + let def_id = uv.def.def_id_for_type_of(); + if self.tcx.def_kind(def_id) == DefKind::InlineConst { + let local_def_id = def_id.expect_local(); + let UnsafetyCheckResult { violations, used_unsafe_blocks, .. } = + self.tcx.unsafety_check_result(local_def_id); + self.register_violations(violations, used_unsafe_blocks.iter().copied()); + } + } + } + } + self.super_operand(op, location); + } + fn visit_place(&mut self, place: &Place<'tcx>, context: PlaceContext, _location: Location) { // On types with `scalar_valid_range`, prevent // * `&mut x.field` @@ -410,6 +433,12 @@ impl<'tcx> intravisit::Visitor<'tcx> for UnusedUnsafeVisitor<'_, 'tcx> { intravisit::walk_block(self, block); } + fn visit_anon_const(&mut self, c: &'tcx hir::AnonConst) { + if matches!(self.tcx.def_kind(c.def_id), DefKind::InlineConst) { + self.visit_body(self.tcx.hir().body(c.body)) + } + } + fn visit_fn( &mut self, fk: intravisit::FnKind<'tcx>, @@ -484,7 +513,7 @@ fn unsafety_check_result<'tcx>( let mut checker = UnsafetyChecker::new(body, def.did, tcx, param_env); checker.visit_body(&body); - let unused_unsafes = (!tcx.is_closure(def.did.to_def_id())) + let unused_unsafes = (!tcx.is_typeck_child(def.did.to_def_id())) .then(|| check_unused_unsafe(tcx, def.did, &checker.used_unsafe_blocks)); tcx.arena.alloc(UnsafetyCheckResult { @@ -516,8 +545,8 @@ fn report_unused_unsafe(tcx: TyCtxt<'_>, kind: UnusedUnsafe, id: HirId) { pub fn check_unsafety(tcx: TyCtxt<'_>, def_id: LocalDefId) { debug!("check_unsafety({:?})", def_id); - // closures are handled by their parent fn. - if tcx.is_closure(def_id.to_def_id()) { + // closures and inline consts are handled by their parent fn. + if tcx.is_typeck_child(def_id.to_def_id()) { return; } diff --git a/compiler/rustc_mir_transform/src/generator.rs b/compiler/rustc_mir_transform/src/generator.rs index c08593afe9d..c097af61611 100644 --- a/compiler/rustc_mir_transform/src/generator.rs +++ b/compiler/rustc_mir_transform/src/generator.rs @@ -490,7 +490,7 @@ fn locals_live_across_suspend_points<'tcx>( // Calculate when MIR locals have live storage. This gives us an upper bound of their // lifetimes. - let mut storage_live = MaybeStorageLive::new(always_live_locals.clone()) + let mut storage_live = MaybeStorageLive::new(std::borrow::Cow::Borrowed(always_live_locals)) .into_engine(tcx, body_ref) .iterate_to_fixpoint() .into_results_cursor(body_ref); diff --git a/compiler/rustc_privacy/src/lib.rs b/compiler/rustc_privacy/src/lib.rs index a254c892478..2c89f4add2e 100644 --- a/compiler/rustc_privacy/src/lib.rs +++ b/compiler/rustc_privacy/src/lib.rs @@ -1308,15 +1308,15 @@ impl<'tcx> Visitor<'tcx> for TypePrivacyVisitor<'tcx> { let is_local_static = if let DefKind::Static(_) = kind { def_id.is_local() } else { false }; if !self.item_is_accessible(def_id) && !is_local_static { - let sess = self.tcx.sess; - let sm = sess.source_map(); - let name = match qpath { - hir::QPath::Resolved(..) | hir::QPath::LangItem(..) => { - sm.span_to_snippet(qpath.span()).ok() + let name = match *qpath { + hir::QPath::LangItem(it, ..) => { + self.tcx.lang_items().get(it).map(|did| self.tcx.def_path_str(did)) } + hir::QPath::Resolved(_, path) => Some(self.tcx.def_path_str(path.res.def_id())), hir::QPath::TypeRelative(_, segment) => Some(segment.ident.to_string()), }; let kind = kind.descr(def_id); + let sess = self.tcx.sess; let _ = match name { Some(name) => { sess.emit_err(ItemIsPrivate { span, kind, descr: (&name).into() }) diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs index 6f79ca078d7..c1b7c61d09b 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs @@ -2186,15 +2186,15 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { format!("does not implement `{}`", trait_pred.print_modifiers_and_trait_path()) }; - let mut explain_yield = |interior_span: Span, - yield_span: Span, - scope_span: Option<Span>| { - let mut span = MultiSpan::from_span(yield_span); - if let Ok(snippet) = source_map.span_to_snippet(interior_span) { - // #70935: If snippet contains newlines, display "the value" instead - // so that we do not emit complex diagnostics. - let snippet = &format!("`{}`", snippet); - let snippet = if snippet.contains('\n') { "the value" } else { snippet }; + let mut explain_yield = + |interior_span: Span, yield_span: Span, scope_span: Option<Span>| { + let mut span = MultiSpan::from_span(yield_span); + let snippet = match source_map.span_to_snippet(interior_span) { + // #70935: If snippet contains newlines, display "the value" instead + // so that we do not emit complex diagnostics. + Ok(snippet) if !snippet.contains('\n') => format!("`{}`", snippet), + _ => "the value".to_string(), + }; // note: future is not `Send` as this value is used across an await // --> $DIR/issue-70935-complex-spans.rs:13:9 // | @@ -2219,17 +2219,11 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { interior_span, format!("has type `{}` which {}", target_ty, trait_explanation), ); - // If available, use the scope span to annotate the drop location. - let mut scope_note = None; if let Some(scope_span) = scope_span { let scope_span = source_map.end_point(scope_span); let msg = format!("{} is later dropped here", snippet); - if source_map.is_multiline(yield_span.between(scope_span)) { - span.push_span_label(scope_span, msg); - } else { - scope_note = Some((scope_span, msg)); - } + span.push_span_label(scope_span, msg); } err.span_note( span, @@ -2238,11 +2232,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { future_or_generator, trait_explanation, an_await_or_yield ), ); - if let Some((span, msg)) = scope_note { - err.span_note(span, &msg); - } - } - }; + }; match interior_or_upvar_span { GeneratorInteriorOrUpvar::Interior(interior_span, interior_extra_info) => { if let Some((scope_span, yield_span, expr, from_awaited_ty)) = interior_extra_info { diff --git a/src/test/incremental/hashes/loop_expressions.rs b/src/test/incremental/hashes/loop_expressions.rs index a12cd0d021e..ada541e644a 100644 --- a/src/test/incremental/hashes/loop_expressions.rs +++ b/src/test/incremental/hashes/loop_expressions.rs @@ -187,9 +187,9 @@ pub fn change_continue_label() { } #[cfg(not(any(cfail1,cfail4)))] -#[rustc_clean(cfg="cfail2", except="hir_owner_nodes, typeck")] +#[rustc_clean(cfg="cfail2", except="hir_owner_nodes")] #[rustc_clean(cfg="cfail3")] -#[rustc_clean(cfg="cfail5", except="hir_owner_nodes, typeck, optimized_mir")] +#[rustc_clean(cfg="cfail5", except="hir_owner_nodes, optimized_mir")] #[rustc_clean(cfg="cfail6")] pub fn change_continue_label() { let mut _x = 0; diff --git a/src/test/incremental/hashes/while_let_loops.rs b/src/test/incremental/hashes/while_let_loops.rs index f81855e42be..88fd4d89b28 100644 --- a/src/test/incremental/hashes/while_let_loops.rs +++ b/src/test/incremental/hashes/while_let_loops.rs @@ -158,9 +158,9 @@ pub fn change_break_label() { } #[cfg(not(any(cfail1,cfail4)))] -#[rustc_clean(cfg="cfail2", except="hir_owner_nodes,typeck")] +#[rustc_clean(cfg="cfail2", except="hir_owner_nodes")] #[rustc_clean(cfg="cfail3")] -#[rustc_clean(cfg="cfail5", except="hir_owner_nodes,typeck")] +#[rustc_clean(cfg="cfail5", except="hir_owner_nodes")] #[rustc_clean(cfg="cfail6")] pub fn change_break_label() { let mut _x = 0; @@ -210,9 +210,9 @@ pub fn change_continue_label() { } #[cfg(not(any(cfail1,cfail4)))] -#[rustc_clean(cfg="cfail2", except="hir_owner_nodes,typeck")] +#[rustc_clean(cfg="cfail2", except="hir_owner_nodes")] #[rustc_clean(cfg="cfail3")] -#[rustc_clean(cfg="cfail5", except="hir_owner_nodes,typeck")] +#[rustc_clean(cfg="cfail5", except="hir_owner_nodes")] #[rustc_clean(cfg="cfail6")] pub fn change_continue_label() { let mut _x = 0; diff --git a/src/test/incremental/hashes/while_loops.rs b/src/test/incremental/hashes/while_loops.rs index e432cf8fe4c..9b4d23757b8 100644 --- a/src/test/incremental/hashes/while_loops.rs +++ b/src/test/incremental/hashes/while_loops.rs @@ -158,9 +158,9 @@ pub fn change_break_label() { } #[cfg(not(any(cfail1,cfail4)))] -#[rustc_clean(cfg="cfail2", except="hir_owner_nodes,optimized_mir,typeck")] +#[rustc_clean(cfg="cfail2", except="hir_owner_nodes,optimized_mir")] #[rustc_clean(cfg="cfail3")] -#[rustc_clean(cfg="cfail5", except="hir_owner_nodes,optimized_mir,typeck")] +#[rustc_clean(cfg="cfail5", except="hir_owner_nodes,optimized_mir")] #[rustc_clean(cfg="cfail6")] pub fn change_break_label() { let mut _x = 0; @@ -212,9 +212,9 @@ pub fn change_continue_label() { } #[cfg(not(any(cfail1,cfail4)))] -#[rustc_clean(cfg="cfail2", except="hir_owner_nodes,typeck")] +#[rustc_clean(cfg="cfail2", except="hir_owner_nodes")] #[rustc_clean(cfg="cfail3")] -#[rustc_clean(cfg="cfail5", except="hir_owner_nodes,typeck,optimized_mir")] +#[rustc_clean(cfg="cfail5", except="hir_owner_nodes,optimized_mir")] #[rustc_clean(cfg="cfail6")] pub fn change_continue_label() { let mut _x = 0; diff --git a/src/test/ui-fulldeps/session-diagnostic/diagnostic-derive.stderr b/src/test/ui-fulldeps/session-diagnostic/diagnostic-derive.stderr index b4c211db47c..1b7ef4e4f19 100644 --- a/src/test/ui-fulldeps/session-diagnostic/diagnostic-derive.stderr +++ b/src/test/ui-fulldeps/session-diagnostic/diagnostic-derive.stderr @@ -660,10 +660,7 @@ LL | #[derive(Diagnostic)] = help: normalized in stderr note: required by a bound in `DiagnosticBuilder::<'a, G>::set_arg` --> $COMPILER_DIR/rustc_errors/src/diagnostic_builder.rs:LL:CC - | -LL | arg: impl IntoDiagnosticArg, - | ^^^^^^^^^^^^^^^^^ required by this bound in `DiagnosticBuilder::<'a, G>::set_arg` - = note: this error originates in the derive macro `Diagnostic` (in Nightly builds, run with -Z macro-backtrace for more info) + = note: this error originates in the derive macro `Diagnostic` which comes from the expansion of the macro `forward` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 83 previous errors diff --git a/src/test/ui/alloc-error/alloc-error-handler-bad-signature-2.stderr b/src/test/ui/alloc-error/alloc-error-handler-bad-signature-2.stderr index adb652fe616..2673ee9f937 100644 --- a/src/test/ui/alloc-error/alloc-error-handler-bad-signature-2.stderr +++ b/src/test/ui/alloc-error/alloc-error-handler-bad-signature-2.stderr @@ -17,9 +17,6 @@ LL | | } = note: struct `core::alloc::Layout` and struct `Layout` have similar names, but are actually distinct types note: struct `core::alloc::Layout` is defined in crate `core` --> $SRC_DIR/core/src/alloc/layout.rs:LL:COL - | -LL | pub struct Layout { - | ^^^^^^^^^^^^^^^^^ note: struct `Layout` is defined in the current crate --> $DIR/alloc-error-handler-bad-signature-2.rs:7:1 | diff --git a/src/test/ui/associated-type-bounds/issue-99828.stderr b/src/test/ui/associated-type-bounds/issue-99828.stderr index 1c20ead0556..dc93c47dace 100644 --- a/src/test/ui/associated-type-bounds/issue-99828.stderr +++ b/src/test/ui/associated-type-bounds/issue-99828.stderr @@ -15,9 +15,6 @@ LL | fn get_iter(vec: &[i32]) -> impl Iterator<Item = {}> + '_ { | note: associated type defined here --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | type Item; - | ^^^^^^^^^ error: aborting due to 2 previous errors diff --git a/src/test/ui/associated-types/defaults-wf.stderr b/src/test/ui/associated-types/defaults-wf.stderr index 8455f88f18e..fc830b8d676 100644 --- a/src/test/ui/associated-types/defaults-wf.stderr +++ b/src/test/ui/associated-types/defaults-wf.stderr @@ -7,9 +7,6 @@ LL | type Ty = Vec<[u8]>; = help: the trait `Sized` is not implemented for `[u8]` note: required by a bound in `Vec` --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL - | -LL | pub struct Vec<T, #[unstable(feature = "allocator_api", issue = "32838")] A: Allocator = Global> { - | ^ required by this bound in `Vec` error: aborting due to previous error diff --git a/src/test/ui/associated-types/trait-with-supertraits-needing-sized-self.stderr b/src/test/ui/associated-types/trait-with-supertraits-needing-sized-self.stderr index 0edc9a556b7..8e7cf86c406 100644 --- a/src/test/ui/associated-types/trait-with-supertraits-needing-sized-self.stderr +++ b/src/test/ui/associated-types/trait-with-supertraits-needing-sized-self.stderr @@ -6,9 +6,6 @@ LL | trait ArithmeticOps: Add<Output=Self> + Sub<Output=Self> + Mul<Output=Self> | note: required by a bound in `Add` --> $SRC_DIR/core/src/ops/arith.rs:LL:COL - | -LL | pub trait Add<Rhs = Self> { - | ^^^^^^^^^^ required by this bound in `Add` help: consider further restricting `Self` | LL | trait ArithmeticOps: Add<Output=Self> + Sub<Output=Self> + Mul<Output=Self> + Div<Output=Self> + Sized {} diff --git a/src/test/ui/async-await/async-await-let-else.drop-tracking.stderr b/src/test/ui/async-await/async-await-let-else.drop-tracking.stderr index 616623ee077..f0f5245a3b4 100644 --- a/src/test/ui/async-await/async-await-let-else.drop-tracking.stderr +++ b/src/test/ui/async-await/async-await-let-else.drop-tracking.stderr @@ -68,14 +68,10 @@ note: future is not `Send` as this value is used across an await --> $DIR/async-await-let-else.rs:33:28 | LL | (Rc::new(()), bar().await); - | ----------- ^^^^^^ await occurs here, with `Rc::new(())` maybe used later - | | + | ----------- ^^^^^^ - `Rc::new(())` is later dropped here + | | | + | | await occurs here, with `Rc::new(())` maybe used later | has type `Rc<()>` which is not `Send` -note: `Rc::new(())` is later dropped here - --> $DIR/async-await-let-else.rs:33:35 - | -LL | (Rc::new(()), bar().await); - | ^ note: required by a bound in `is_send` --> $DIR/async-await-let-else.rs:19:15 | diff --git a/src/test/ui/async-await/async-await-let-else.no-drop-tracking.stderr b/src/test/ui/async-await/async-await-let-else.no-drop-tracking.stderr index 7f93563e288..d3c5e80a30d 100644 --- a/src/test/ui/async-await/async-await-let-else.no-drop-tracking.stderr +++ b/src/test/ui/async-await/async-await-let-else.no-drop-tracking.stderr @@ -53,14 +53,10 @@ note: future is not `Send` as this value is used across an await --> $DIR/async-await-let-else.rs:33:28 | LL | (Rc::new(()), bar().await); - | ----------- ^^^^^^ await occurs here, with `Rc::new(())` maybe used later - | | + | ----------- ^^^^^^ - `Rc::new(())` is later dropped here + | | | + | | await occurs here, with `Rc::new(())` maybe used later | has type `Rc<()>` which is not `Send` -note: `Rc::new(())` is later dropped here - --> $DIR/async-await-let-else.rs:33:35 - | -LL | (Rc::new(()), bar().await); - | ^ note: required by a bound in `is_send` --> $DIR/async-await-let-else.rs:19:15 | diff --git a/src/test/ui/async-await/generator-desc.stderr b/src/test/ui/async-await/generator-desc.stderr index 1686153acf9..963c6ba57ad 100644 --- a/src/test/ui/async-await/generator-desc.stderr +++ b/src/test/ui/async-await/generator-desc.stderr @@ -12,9 +12,6 @@ LL | fun(async {}, async {}); found `async` block `[async block@$DIR/generator-desc.rs:10:19: 10:27]` note: function defined here --> $SRC_DIR/core/src/future/mod.rs:LL:COL - | -LL | pub const fn identity_future<O, Fut: Future<Output = O>>(f: Fut) -> Fut { - | ^^^^^^^^^^^^^^^ error[E0308]: mismatched types --> $DIR/generator-desc.rs:12:16 diff --git a/src/test/ui/async-await/issue-70935-complex-spans.no_drop_tracking.stderr b/src/test/ui/async-await/issue-70935-complex-spans.no_drop_tracking.stderr index 34b31198e4f..8036d82daa4 100644 --- a/src/test/ui/async-await/issue-70935-complex-spans.no_drop_tracking.stderr +++ b/src/test/ui/async-await/issue-70935-complex-spans.no_drop_tracking.stderr @@ -12,14 +12,10 @@ LL | baz(|| async{ | _____________- LL | | foo(tx.clone()); LL | | }).await; - | | - ^^^^^^ await occurs here, with the value maybe used later - | |_________| + | | - ^^^^^^- the value is later dropped here + | | | | + | |_________| await occurs here, with the value maybe used later | has type `[closure@$DIR/issue-70935-complex-spans.rs:17:13: 17:15]` which is not `Send` -note: the value is later dropped here - --> $DIR/issue-70935-complex-spans.rs:19:17 - | -LL | }).await; - | ^ error: aborting due to previous error diff --git a/src/test/ui/async-await/issue-72442.stderr b/src/test/ui/async-await/issue-72442.stderr index 919abf64603..4a1705715ca 100644 --- a/src/test/ui/async-await/issue-72442.stderr +++ b/src/test/ui/async-await/issue-72442.stderr @@ -8,9 +8,6 @@ LL | let mut f = File::open(path.to_str())?; | note: required by a bound in `File::open` --> $SRC_DIR/std/src/fs.rs:LL:COL - | -LL | pub fn open<P: AsRef<Path>>(path: P) -> io::Result<File> { - | ^^^^^^^^^^^ required by this bound in `File::open` error: aborting due to previous error diff --git a/src/test/ui/async-await/issues/issue-65159.stderr b/src/test/ui/async-await/issues/issue-65159.stderr index 45f5ec40cd7..40c0e72b203 100644 --- a/src/test/ui/async-await/issues/issue-65159.stderr +++ b/src/test/ui/async-await/issues/issue-65159.stderr @@ -6,11 +6,6 @@ LL | async fn copy() -> Result<()> | | | expected 2 generic arguments | -note: enum defined here, with 2 generic parameters: `T`, `E` - --> $SRC_DIR/core/src/result.rs:LL:COL - | -LL | pub enum Result<T, E> { - | ^^^^^^ - - help: add missing generic argument | LL | async fn copy() -> Result<(), E> diff --git a/src/test/ui/async-await/issues/issue-65436-raw-ptr-not-send.no_drop_tracking.stderr b/src/test/ui/async-await/issues/issue-65436-raw-ptr-not-send.no_drop_tracking.stderr index ab196dca20c..1033fa6cc8b 100644 --- a/src/test/ui/async-await/issues/issue-65436-raw-ptr-not-send.no_drop_tracking.stderr +++ b/src/test/ui/async-await/issues/issue-65436-raw-ptr-not-send.no_drop_tracking.stderr @@ -13,14 +13,10 @@ note: future is not `Send` as this value is used across an await --> $DIR/issue-65436-raw-ptr-not-send.rs:18:35 | LL | bar(Foo(std::ptr::null())).await; - | ---------------- ^^^^^^ await occurs here, with `std::ptr::null()` maybe used later - | | + | ---------------- ^^^^^^- `std::ptr::null()` is later dropped here + | | | + | | await occurs here, with `std::ptr::null()` maybe used later | has type `*const u8` which is not `Send` -note: `std::ptr::null()` is later dropped here - --> $DIR/issue-65436-raw-ptr-not-send.rs:18:41 - | -LL | bar(Foo(std::ptr::null())).await; - | ^ help: consider moving this into a `let` binding to create a shorter lived borrow --> $DIR/issue-65436-raw-ptr-not-send.rs:18:13 | diff --git a/src/test/ui/async-await/issues/issue-67893.stderr b/src/test/ui/async-await/issues/issue-67893.stderr index 316b6d06f93..2ce68a78291 100644 --- a/src/test/ui/async-await/issues/issue-67893.stderr +++ b/src/test/ui/async-await/issues/issue-67893.stderr @@ -9,14 +9,10 @@ note: future is not `Send` as this value is used across an await --> $DIR/auxiliary/issue_67893.rs:9:26 | LL | f(*x.lock().unwrap()).await; - | ----------------- ^^^^^^ await occurs here, with `x.lock().unwrap()` maybe used later - | | + | ----------------- ^^^^^^- `x.lock().unwrap()` is later dropped here + | | | + | | await occurs here, with `x.lock().unwrap()` maybe used later | has type `MutexGuard<'_, ()>` which is not `Send` -note: `x.lock().unwrap()` is later dropped here - --> $DIR/auxiliary/issue_67893.rs:9:32 - | -LL | f(*x.lock().unwrap()).await; - | ^ note: required by a bound in `g` --> $DIR/issue-67893.rs:6:14 | diff --git a/src/test/ui/async-await/pin-needed-to-poll-2.stderr b/src/test/ui/async-await/pin-needed-to-poll-2.stderr index 83d1a02c876..0a6f705e255 100644 --- a/src/test/ui/async-await/pin-needed-to-poll-2.stderr +++ b/src/test/ui/async-await/pin-needed-to-poll-2.stderr @@ -14,9 +14,6 @@ LL | struct Sleep(std::marker::PhantomPinned); | ^^^^^ note: required by a bound in `Pin::<P>::new` --> $SRC_DIR/core/src/pin.rs:LL:COL - | -LL | impl<P: Deref<Target: Unpin>> Pin<P> { - | ^^^^^ required by this bound in `Pin::<P>::new` error: aborting due to previous error diff --git a/src/test/ui/async-await/pin-needed-to-poll.stderr b/src/test/ui/async-await/pin-needed-to-poll.stderr index 2e8723b2743..b1f4a73aafe 100644 --- a/src/test/ui/async-await/pin-needed-to-poll.stderr +++ b/src/test/ui/async-await/pin-needed-to-poll.stderr @@ -6,11 +6,9 @@ LL | struct Sleep; ... LL | self.sleep.poll(cx) | ^^^^ method not found in `Sleep` + --> $SRC_DIR/core/src/future/future.rs:LL:COL | - ::: $SRC_DIR/core/src/future/future.rs:LL:COL - | -LL | fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output>; - | ---- the method is available for `Pin<&mut Sleep>` here + = note: the method is available for `Pin<&mut Sleep>` here | help: consider wrapping the receiver expression with the appropriate type | diff --git a/src/test/ui/async-await/track-caller/async-block.rs b/src/test/ui/async-await/track-caller/async-block.rs new file mode 100644 index 00000000000..8e81387c34b --- /dev/null +++ b/src/test/ui/async-await/track-caller/async-block.rs @@ -0,0 +1,9 @@ +// edition:2021 + +#![feature(closure_track_caller, stmt_expr_attributes)] + +fn main() { + let _ = #[track_caller] async { + //~^ ERROR attribute should be applied to a function definition [E0739] + }; +} diff --git a/src/test/ui/async-await/track-caller/async-block.stderr b/src/test/ui/async-await/track-caller/async-block.stderr new file mode 100644 index 00000000000..407439921c0 --- /dev/null +++ b/src/test/ui/async-await/track-caller/async-block.stderr @@ -0,0 +1,12 @@ +error[E0739]: attribute should be applied to a function definition + --> $DIR/async-block.rs:6:13 + | +LL | let _ = #[track_caller] async { + | _____________^^^^^^^^^^^^^^^_- +LL | | +LL | | }; + | |_____- not a function definition + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0739`. diff --git a/src/test/ui/async-await/track-caller/async-closure-gate.rs b/src/test/ui/async-await/track-caller/async-closure-gate.rs new file mode 100644 index 00000000000..9593fdb1908 --- /dev/null +++ b/src/test/ui/async-await/track-caller/async-closure-gate.rs @@ -0,0 +1,10 @@ +// edition:2021 + +#![feature(async_closure, stmt_expr_attributes)] + +fn main() { + let _ = #[track_caller] async || { + //~^ ERROR `#[track_caller]` on closures is currently unstable [E0658] + //~| ERROR `#[track_caller]` on closures is currently unstable [E0658] + }; +} diff --git a/src/test/ui/async-await/track-caller/async-closure-gate.stderr b/src/test/ui/async-await/track-caller/async-closure-gate.stderr new file mode 100644 index 00000000000..be3d110eccd --- /dev/null +++ b/src/test/ui/async-await/track-caller/async-closure-gate.stderr @@ -0,0 +1,25 @@ +error[E0658]: `#[track_caller]` on closures is currently unstable + --> $DIR/async-closure-gate.rs:6:13 + | +LL | let _ = #[track_caller] async || { + | ^^^^^^^^^^^^^^^ + | + = note: see issue #87417 <https://github.com/rust-lang/rust/issues/87417> for more information + = help: add `#![feature(closure_track_caller)]` to the crate attributes to enable + +error[E0658]: `#[track_caller]` on closures is currently unstable + --> $DIR/async-closure-gate.rs:6:38 + | +LL | let _ = #[track_caller] async || { + | ______________________________________^ +LL | | +LL | | +LL | | }; + | |_____^ + | + = note: see issue #87417 <https://github.com/rust-lang/rust/issues/87417> for more information + = help: add `#![feature(closure_track_caller)]` to the crate attributes to enable + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0658`. diff --git a/src/test/ui/async-await/track-caller/panic-track-caller.rs b/src/test/ui/async-await/track-caller/panic-track-caller.rs index 5ebfeb3f36a..066cf97628f 100644 --- a/src/test/ui/async-await/track-caller/panic-track-caller.rs +++ b/src/test/ui/async-await/track-caller/panic-track-caller.rs @@ -1,7 +1,7 @@ // run-pass // edition:2021 // needs-unwind -#![feature(closure_track_caller)] +#![feature(closure_track_caller, async_closure, stmt_expr_attributes)] use std::future::Future; use std::panic; @@ -67,6 +67,13 @@ async fn foo_assoc() { Foo::bar_assoc().await } +async fn foo_closure() { + let c = #[track_caller] async || { + panic!(); + }; + c().await +} + fn panicked_at(f: impl FnOnce() + panic::UnwindSafe) -> u32 { let loc = Arc::new(Mutex::new(None)); @@ -87,4 +94,5 @@ fn main() { assert_eq!(panicked_at(|| block_on(foo())), 41); assert_eq!(panicked_at(|| block_on(foo_track_caller())), 54); assert_eq!(panicked_at(|| block_on(foo_assoc())), 67); + assert_eq!(panicked_at(|| block_on(foo_closure())), 74); } diff --git a/src/test/ui/binop/binop-consume-args.stderr b/src/test/ui/binop/binop-consume-args.stderr index c734f8c1e17..6fbbb55437e 100644 --- a/src/test/ui/binop/binop-consume-args.stderr +++ b/src/test/ui/binop/binop-consume-args.stderr @@ -10,9 +10,6 @@ LL | drop(lhs); | note: calling this operator moves the left-hand side --> $SRC_DIR/core/src/ops/arith.rs:LL:COL - | -LL | fn add(self, rhs: Rhs) -> Self::Output; - | ^^^^ help: consider further restricting this bound | LL | fn add<A: Add<B, Output=()> + Copy, B>(lhs: A, rhs: B) { @@ -46,9 +43,6 @@ LL | drop(lhs); | note: calling this operator moves the left-hand side --> $SRC_DIR/core/src/ops/arith.rs:LL:COL - | -LL | fn sub(self, rhs: Rhs) -> Self::Output; - | ^^^^ help: consider further restricting this bound | LL | fn sub<A: Sub<B, Output=()> + Copy, B>(lhs: A, rhs: B) { @@ -82,9 +76,6 @@ LL | drop(lhs); | note: calling this operator moves the left-hand side --> $SRC_DIR/core/src/ops/arith.rs:LL:COL - | -LL | fn mul(self, rhs: Rhs) -> Self::Output; - | ^^^^ help: consider further restricting this bound | LL | fn mul<A: Mul<B, Output=()> + Copy, B>(lhs: A, rhs: B) { @@ -118,9 +109,6 @@ LL | drop(lhs); | note: calling this operator moves the left-hand side --> $SRC_DIR/core/src/ops/arith.rs:LL:COL - | -LL | fn div(self, rhs: Rhs) -> Self::Output; - | ^^^^ help: consider further restricting this bound | LL | fn div<A: Div<B, Output=()> + Copy, B>(lhs: A, rhs: B) { @@ -154,9 +142,6 @@ LL | drop(lhs); | note: calling this operator moves the left-hand side --> $SRC_DIR/core/src/ops/arith.rs:LL:COL - | -LL | fn rem(self, rhs: Rhs) -> Self::Output; - | ^^^^ help: consider further restricting this bound | LL | fn rem<A: Rem<B, Output=()> + Copy, B>(lhs: A, rhs: B) { @@ -190,9 +175,6 @@ LL | drop(lhs); | note: calling this operator moves the left-hand side --> $SRC_DIR/core/src/ops/bit.rs:LL:COL - | -LL | fn bitand(self, rhs: Rhs) -> Self::Output; - | ^^^^ help: consider further restricting this bound | LL | fn bitand<A: BitAnd<B, Output=()> + Copy, B>(lhs: A, rhs: B) { @@ -226,9 +208,6 @@ LL | drop(lhs); | note: calling this operator moves the left-hand side --> $SRC_DIR/core/src/ops/bit.rs:LL:COL - | -LL | fn bitor(self, rhs: Rhs) -> Self::Output; - | ^^^^ help: consider further restricting this bound | LL | fn bitor<A: BitOr<B, Output=()> + Copy, B>(lhs: A, rhs: B) { @@ -262,9 +241,6 @@ LL | drop(lhs); | note: calling this operator moves the left-hand side --> $SRC_DIR/core/src/ops/bit.rs:LL:COL - | -LL | fn bitxor(self, rhs: Rhs) -> Self::Output; - | ^^^^ help: consider further restricting this bound | LL | fn bitxor<A: BitXor<B, Output=()> + Copy, B>(lhs: A, rhs: B) { @@ -298,9 +274,6 @@ LL | drop(lhs); | note: calling this operator moves the left-hand side --> $SRC_DIR/core/src/ops/bit.rs:LL:COL - | -LL | fn shl(self, rhs: Rhs) -> Self::Output; - | ^^^^ help: consider further restricting this bound | LL | fn shl<A: Shl<B, Output=()> + Copy, B>(lhs: A, rhs: B) { @@ -334,9 +307,6 @@ LL | drop(lhs); | note: calling this operator moves the left-hand side --> $SRC_DIR/core/src/ops/bit.rs:LL:COL - | -LL | fn shr(self, rhs: Rhs) -> Self::Output; - | ^^^^ help: consider further restricting this bound | LL | fn shr<A: Shr<B, Output=()> + Copy, B>(lhs: A, rhs: B) { diff --git a/src/test/ui/binop/binop-move-semantics.stderr b/src/test/ui/binop/binop-move-semantics.stderr index 994eaf9d8c7..dae267da05d 100644 --- a/src/test/ui/binop/binop-move-semantics.stderr +++ b/src/test/ui/binop/binop-move-semantics.stderr @@ -13,9 +13,6 @@ LL | | x; | note: calling this operator moves the left-hand side --> $SRC_DIR/core/src/ops/arith.rs:LL:COL - | -LL | fn add(self, rhs: Rhs) -> Self::Output; - | ^^^^ help: consider further restricting this bound | LL | fn double_move<T: Add<Output=()> + Copy>(x: T) { @@ -78,9 +75,6 @@ LL | | *n; | note: calling this operator moves the left-hand side --> $SRC_DIR/core/src/ops/arith.rs:LL:COL - | -LL | fn add(self, rhs: Rhs) -> Self::Output; - | ^^^^ error[E0507]: cannot move out of `*n` which is behind a shared reference --> $DIR/binop-move-semantics.rs:32:5 diff --git a/src/test/ui/binop/issue-28837.stderr b/src/test/ui/binop/issue-28837.stderr index b9c7e1bea70..6e236ca5296 100644 --- a/src/test/ui/binop/issue-28837.stderr +++ b/src/test/ui/binop/issue-28837.stderr @@ -11,11 +11,8 @@ note: an implementation of `Add<_>` might be missing for `A` | LL | struct A; | ^^^^^^^^ must implement `Add<_>` -note: the following trait must be implemented +note: the trait `Add` must be implemented --> $SRC_DIR/core/src/ops/arith.rs:LL:COL - | -LL | pub trait Add<Rhs = Self> { - | ^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0369]: cannot subtract `A` from `A` --> $DIR/issue-28837.rs:8:7 @@ -30,11 +27,8 @@ note: an implementation of `Sub<_>` might be missing for `A` | LL | struct A; | ^^^^^^^^ must implement `Sub<_>` -note: the following trait must be implemented +note: the trait `Sub` must be implemented --> $SRC_DIR/core/src/ops/arith.rs:LL:COL - | -LL | pub trait Sub<Rhs = Self> { - | ^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0369]: cannot multiply `A` by `A` --> $DIR/issue-28837.rs:10:7 @@ -49,11 +43,8 @@ note: an implementation of `Mul<_>` might be missing for `A` | LL | struct A; | ^^^^^^^^ must implement `Mul<_>` -note: the following trait must be implemented +note: the trait `Mul` must be implemented --> $SRC_DIR/core/src/ops/arith.rs:LL:COL - | -LL | pub trait Mul<Rhs = Self> { - | ^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0369]: cannot divide `A` by `A` --> $DIR/issue-28837.rs:12:7 @@ -68,11 +59,8 @@ note: an implementation of `Div<_>` might be missing for `A` | LL | struct A; | ^^^^^^^^ must implement `Div<_>` -note: the following trait must be implemented +note: the trait `Div` must be implemented --> $SRC_DIR/core/src/ops/arith.rs:LL:COL - | -LL | pub trait Div<Rhs = Self> { - | ^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0369]: cannot mod `A` by `A` --> $DIR/issue-28837.rs:14:7 @@ -87,11 +75,8 @@ note: an implementation of `Rem<_>` might be missing for `A` | LL | struct A; | ^^^^^^^^ must implement `Rem<_>` -note: the following trait must be implemented +note: the trait `Rem` must be implemented --> $SRC_DIR/core/src/ops/arith.rs:LL:COL - | -LL | pub trait Rem<Rhs = Self> { - | ^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0369]: no implementation for `A & A` --> $DIR/issue-28837.rs:16:7 @@ -106,11 +91,8 @@ note: an implementation of `BitAnd<_>` might be missing for `A` | LL | struct A; | ^^^^^^^^ must implement `BitAnd<_>` -note: the following trait must be implemented +note: the trait `BitAnd` must be implemented --> $SRC_DIR/core/src/ops/bit.rs:LL:COL - | -LL | pub trait BitAnd<Rhs = Self> { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0369]: no implementation for `A | A` --> $DIR/issue-28837.rs:18:7 @@ -125,11 +107,8 @@ note: an implementation of `BitOr<_>` might be missing for `A` | LL | struct A; | ^^^^^^^^ must implement `BitOr<_>` -note: the following trait must be implemented +note: the trait `BitOr` must be implemented --> $SRC_DIR/core/src/ops/bit.rs:LL:COL - | -LL | pub trait BitOr<Rhs = Self> { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0369]: no implementation for `A << A` --> $DIR/issue-28837.rs:20:7 @@ -144,11 +123,8 @@ note: an implementation of `Shl<_>` might be missing for `A` | LL | struct A; | ^^^^^^^^ must implement `Shl<_>` -note: the following trait must be implemented +note: the trait `Shl` must be implemented --> $SRC_DIR/core/src/ops/bit.rs:LL:COL - | -LL | pub trait Shl<Rhs = Self> { - | ^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0369]: no implementation for `A >> A` --> $DIR/issue-28837.rs:22:7 @@ -163,11 +139,8 @@ note: an implementation of `Shr<_>` might be missing for `A` | LL | struct A; | ^^^^^^^^ must implement `Shr<_>` -note: the following trait must be implemented +note: the trait `Shr` must be implemented --> $SRC_DIR/core/src/ops/bit.rs:LL:COL - | -LL | pub trait Shr<Rhs = Self> { - | ^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0369]: binary operation `==` cannot be applied to type `A` --> $DIR/issue-28837.rs:24:7 diff --git a/src/test/ui/binop/issue-3820.stderr b/src/test/ui/binop/issue-3820.stderr index f21f8906911..c313ed6037f 100644 --- a/src/test/ui/binop/issue-3820.stderr +++ b/src/test/ui/binop/issue-3820.stderr @@ -11,11 +11,8 @@ note: an implementation of `Mul<_>` might be missing for `Thing` | LL | struct Thing { | ^^^^^^^^^^^^ must implement `Mul<_>` -note: the following trait must be implemented +note: the trait `Mul` must be implemented --> $SRC_DIR/core/src/ops/arith.rs:LL:COL - | -LL | pub trait Mul<Rhs = Self> { - | ^^^^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/borrowck/access-mode-in-closures.stderr b/src/test/ui/borrowck/access-mode-in-closures.stderr index 13a6277da14..abee72ba8cf 100644 --- a/src/test/ui/borrowck/access-mode-in-closures.stderr +++ b/src/test/ui/borrowck/access-mode-in-closures.stderr @@ -3,10 +3,15 @@ error[E0507]: cannot move out of `s` which is behind a shared reference | LL | match *s { S(v) => v } | ^^ - - | | | - | | data moved here - | | move occurs because `v` has type `Vec<isize>`, which does not implement the `Copy` trait - | help: consider borrowing here: `&*s` + | | + | data moved here + | move occurs because `v` has type `Vec<isize>`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - match *s { S(v) => v } +LL + match s { S(v) => v } + | error: aborting due to previous error diff --git a/src/test/ui/borrowck/borrowck-for-loop-correct-cmt-for-pattern.stderr b/src/test/ui/borrowck/borrowck-for-loop-correct-cmt-for-pattern.stderr index 2eabc1f1d9d..f9ced03e0f0 100644 --- a/src/test/ui/borrowck/borrowck-for-loop-correct-cmt-for-pattern.stderr +++ b/src/test/ui/borrowck/borrowck-for-loop-correct-cmt-for-pattern.stderr @@ -2,31 +2,46 @@ error[E0507]: cannot move out of a shared reference --> $DIR/borrowck-for-loop-correct-cmt-for-pattern.rs:12:15 | LL | for &a in x.iter() { - | -- ^^^^^^^^ - | || - | |data moved here - | |move occurs because `a` has type `&mut i32`, which does not implement the `Copy` trait - | help: consider removing the `&`: `a` + | - ^^^^^^^^ + | | + | data moved here + | move occurs because `a` has type `&mut i32`, which does not implement the `Copy` trait + | +help: consider removing the borrow + | +LL - for &a in x.iter() { +LL + for a in x.iter() { + | error[E0507]: cannot move out of a shared reference --> $DIR/borrowck-for-loop-correct-cmt-for-pattern.rs:18:15 | LL | for &a in &f.a { - | -- ^^^^ - | || - | |data moved here - | |move occurs because `a` has type `Box<isize>`, which does not implement the `Copy` trait - | help: consider removing the `&`: `a` + | - ^^^^ + | | + | data moved here + | move occurs because `a` has type `Box<isize>`, which does not implement the `Copy` trait + | +help: consider removing the borrow + | +LL - for &a in &f.a { +LL + for a in &f.a { + | error[E0507]: cannot move out of a shared reference --> $DIR/borrowck-for-loop-correct-cmt-for-pattern.rs:22:15 | LL | for &a in x.iter() { - | -- ^^^^^^^^ - | || - | |data moved here - | |move occurs because `a` has type `Box<i32>`, which does not implement the `Copy` trait - | help: consider removing the `&`: `a` + | - ^^^^^^^^ + | | + | data moved here + | move occurs because `a` has type `Box<i32>`, which does not implement the `Copy` trait + | +help: consider removing the borrow + | +LL - for &a in x.iter() { +LL + for a in x.iter() { + | error: aborting due to 3 previous errors diff --git a/src/test/ui/borrowck/borrowck-issue-2657-2.fixed b/src/test/ui/borrowck/borrowck-issue-2657-2.fixed new file mode 100644 index 00000000000..625e7c3cad5 --- /dev/null +++ b/src/test/ui/borrowck/borrowck-issue-2657-2.fixed @@ -0,0 +1,12 @@ +// run-rustfix +fn main() { + + let x: Option<Box<_>> = Some(Box::new(1)); + + match x { + Some(ref y) => { + let _b = y; //~ ERROR cannot move out + } + _ => {} + } +} diff --git a/src/test/ui/borrowck/borrowck-issue-2657-2.rs b/src/test/ui/borrowck/borrowck-issue-2657-2.rs index 7dbac02154a..f79a846e70e 100644 --- a/src/test/ui/borrowck/borrowck-issue-2657-2.rs +++ b/src/test/ui/borrowck/borrowck-issue-2657-2.rs @@ -1,3 +1,4 @@ +// run-rustfix fn main() { let x: Option<Box<_>> = Some(Box::new(1)); diff --git a/src/test/ui/borrowck/borrowck-issue-2657-2.stderr b/src/test/ui/borrowck/borrowck-issue-2657-2.stderr index f9ba2ca416b..850bb9ae393 100644 --- a/src/test/ui/borrowck/borrowck-issue-2657-2.stderr +++ b/src/test/ui/borrowck/borrowck-issue-2657-2.stderr @@ -1,11 +1,14 @@ error[E0507]: cannot move out of `*y` which is behind a shared reference - --> $DIR/borrowck-issue-2657-2.rs:7:18 + --> $DIR/borrowck-issue-2657-2.rs:8:18 | LL | let _b = *y; - | ^^ - | | - | move occurs because `*y` has type `Box<i32>`, which does not implement the `Copy` trait - | help: consider borrowing here: `&*y` + | ^^ move occurs because `*y` has type `Box<i32>`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - let _b = *y; +LL + let _b = y; + | error: aborting due to previous error diff --git a/src/test/ui/borrowck/borrowck-move-error-with-note.fixed b/src/test/ui/borrowck/borrowck-move-error-with-note.fixed new file mode 100644 index 00000000000..cf6c382a692 --- /dev/null +++ b/src/test/ui/borrowck/borrowck-move-error-with-note.fixed @@ -0,0 +1,56 @@ +// run-rustfix +#![allow(unused)] +enum Foo { + Foo1(Box<u32>, Box<u32>), + Foo2(Box<u32>), + Foo3, +} + + + +fn blah() { + let f = &Foo::Foo1(Box::new(1), Box::new(2)); + match f { //~ ERROR cannot move out of + Foo::Foo1(num1, + num2) => (), + Foo::Foo2(num) => (), + Foo::Foo3 => () + } +} + +struct S { + f: String, + g: String +} +impl Drop for S { + fn drop(&mut self) { println!("{}", self.f); } +} + +fn move_in_match() { + match (S {f: "foo".to_string(), g: "bar".to_string()}) { + //~^ ERROR cannot move out of type `S`, which implements the `Drop` trait + S { + f: ref _s, + g: ref _t + } => {} + } +} + +// from issue-8064 +struct A { + a: Box<isize>, +} + +fn free<T>(_: T) {} + +fn blah2() { + let a = &A { a: Box::new(1) }; + match &a.a { //~ ERROR cannot move out of + n => { + free(n) + } + } + free(a) +} + +fn main() {} diff --git a/src/test/ui/borrowck/borrowck-move-error-with-note.rs b/src/test/ui/borrowck/borrowck-move-error-with-note.rs index ef38cbb63a5..f336ac4f994 100644 --- a/src/test/ui/borrowck/borrowck-move-error-with-note.rs +++ b/src/test/ui/borrowck/borrowck-move-error-with-note.rs @@ -1,3 +1,5 @@ +// run-rustfix +#![allow(unused)] enum Foo { Foo1(Box<u32>, Box<u32>), Foo2(Box<u32>), diff --git a/src/test/ui/borrowck/borrowck-move-error-with-note.stderr b/src/test/ui/borrowck/borrowck-move-error-with-note.stderr index 96246d9ae1a..722c2c1443a 100644 --- a/src/test/ui/borrowck/borrowck-move-error-with-note.stderr +++ b/src/test/ui/borrowck/borrowck-move-error-with-note.stderr @@ -1,8 +1,8 @@ error[E0507]: cannot move out of `f` as enum variant `Foo1` which is behind a shared reference - --> $DIR/borrowck-move-error-with-note.rs:11:11 + --> $DIR/borrowck-move-error-with-note.rs:13:11 | LL | match *f { - | ^^ help: consider borrowing here: `&*f` + | ^^ LL | Foo::Foo1(num1, | ---- data moved here LL | num2) => (), @@ -11,9 +11,14 @@ LL | Foo::Foo2(num) => (), | --- ...and here | = note: move occurs because these variables have types that don't implement the `Copy` trait +help: consider removing the dereference here + | +LL - match *f { +LL + match f { + | error[E0509]: cannot move out of type `S`, which implements the `Drop` trait - --> $DIR/borrowck-move-error-with-note.rs:28:11 + --> $DIR/borrowck-move-error-with-note.rs:30:11 | LL | match (S {f: "foo".to_string(), g: "bar".to_string()}) { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot move out of here @@ -24,17 +29,30 @@ LL | g: _t | -- ...and here | = note: move occurs because these variables have types that don't implement the `Copy` trait +help: consider borrowing the pattern binding + | +LL | f: ref _s, + | +++ +help: consider borrowing the pattern binding + | +LL | g: ref _t + | +++ error[E0507]: cannot move out of `a.a` which is behind a shared reference - --> $DIR/borrowck-move-error-with-note.rs:46:11 + --> $DIR/borrowck-move-error-with-note.rs:48:11 | LL | match a.a { - | ^^^ help: consider borrowing here: `&a.a` + | ^^^ LL | n => { | - | | | data moved here | move occurs because `n` has type `Box<isize>`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | match &a.a { + | + error: aborting due to 3 previous errors diff --git a/src/test/ui/borrowck/borrowck-move-from-unsafe-ptr.stderr b/src/test/ui/borrowck/borrowck-move-from-unsafe-ptr.stderr index 7ac095e808a..43fc102bd62 100644 --- a/src/test/ui/borrowck/borrowck-move-from-unsafe-ptr.stderr +++ b/src/test/ui/borrowck/borrowck-move-from-unsafe-ptr.stderr @@ -2,10 +2,13 @@ error[E0507]: cannot move out of `*x` which is behind a raw pointer --> $DIR/borrowck-move-from-unsafe-ptr.rs:2:13 | LL | let y = *x; - | ^^ - | | - | move occurs because `*x` has type `Box<isize>`, which does not implement the `Copy` trait - | help: consider borrowing here: `&*x` + | ^^ move occurs because `*x` has type `Box<isize>`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - let y = *x; +LL + let y = x; + | error: aborting due to previous error diff --git a/src/test/ui/borrowck/borrowck-move-in-irrefut-pat.stderr b/src/test/ui/borrowck/borrowck-move-in-irrefut-pat.stderr index 6b19f9d977e..21bd073321b 100644 --- a/src/test/ui/borrowck/borrowck-move-in-irrefut-pat.stderr +++ b/src/test/ui/borrowck/borrowck-move-in-irrefut-pat.stderr @@ -3,30 +3,45 @@ error[E0507]: cannot move out of a shared reference | LL | fn arg_item(&_x: &String) {} | ^-- - | || - | |data moved here - | |move occurs because `_x` has type `String`, which does not implement the `Copy` trait - | help: consider removing the `&`: `_x` + | | + | data moved here + | move occurs because `_x` has type `String`, which does not implement the `Copy` trait + | +help: consider removing the borrow + | +LL - fn arg_item(&_x: &String) {} +LL + fn arg_item(_x: &String) {} + | error[E0507]: cannot move out of a shared reference --> $DIR/borrowck-move-in-irrefut-pat.rs:7:11 | LL | with(|&_x| ()) | ^-- - | || - | |data moved here - | |move occurs because `_x` has type `String`, which does not implement the `Copy` trait - | help: consider removing the `&`: `_x` + | | + | data moved here + | move occurs because `_x` has type `String`, which does not implement the `Copy` trait + | +help: consider removing the borrow + | +LL - with(|&_x| ()) +LL + with(|_x| ()) + | error[E0507]: cannot move out of a shared reference --> $DIR/borrowck-move-in-irrefut-pat.rs:12:15 | LL | let &_x = &"hi".to_string(); - | --- ^^^^^^^^^^^^^^^^^ - | || - | |data moved here - | |move occurs because `_x` has type `String`, which does not implement the `Copy` trait - | help: consider removing the `&`: `_x` + | -- ^^^^^^^^^^^^^^^^^ + | | + | data moved here + | move occurs because `_x` has type `String`, which does not implement the `Copy` trait + | +help: consider removing the borrow + | +LL - let &_x = &"hi".to_string(); +LL + let _x = &"hi".to_string(); + | error: aborting due to 3 previous errors diff --git a/src/test/ui/borrowck/borrowck-move-out-of-overloaded-auto-deref.stderr b/src/test/ui/borrowck/borrowck-move-out-of-overloaded-auto-deref.stderr index 800f30b34e5..ecf5382e863 100644 --- a/src/test/ui/borrowck/borrowck-move-out-of-overloaded-auto-deref.stderr +++ b/src/test/ui/borrowck/borrowck-move-out-of-overloaded-auto-deref.stderr @@ -7,11 +7,8 @@ LL | let _x = Rc::new(vec![1, 2]).into_iter(); | | value moved due to this method call | move occurs because value has type `Vec<i32>`, which does not implement the `Copy` trait | -note: this function takes ownership of the receiver `self`, which moves value +note: `into_iter` takes ownership of the receiver `self`, which moves value --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL - | -LL | fn into_iter(self) -> Self::IntoIter; - | ^^^^ error: aborting due to previous error diff --git a/src/test/ui/borrowck/borrowck-move-out-of-overloaded-deref.stderr b/src/test/ui/borrowck/borrowck-move-out-of-overloaded-deref.stderr index 68994c2071b..599fa1e88df 100644 --- a/src/test/ui/borrowck/borrowck-move-out-of-overloaded-deref.stderr +++ b/src/test/ui/borrowck/borrowck-move-out-of-overloaded-deref.stderr @@ -2,10 +2,13 @@ error[E0507]: cannot move out of an `Rc` --> $DIR/borrowck-move-out-of-overloaded-deref.rs:4:14 | LL | let _x = *Rc::new("hi".to_string()); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ - | | - | move occurs because value has type `String`, which does not implement the `Copy` trait - | help: consider borrowing here: `&*Rc::new("hi".to_string())` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ move occurs because value has type `String`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - let _x = *Rc::new("hi".to_string()); +LL + let _x = Rc::new("hi".to_string()); + | error: aborting due to previous error diff --git a/src/test/ui/borrowck/borrowck-move-out-of-struct-with-dtor.fixed b/src/test/ui/borrowck/borrowck-move-out-of-struct-with-dtor.fixed new file mode 100644 index 00000000000..c463c655938 --- /dev/null +++ b/src/test/ui/borrowck/borrowck-move-out-of-struct-with-dtor.fixed @@ -0,0 +1,24 @@ +// run-rustfix +#![allow(unused)] +struct S {f:String} +impl Drop for S { + fn drop(&mut self) { println!("{}", self.f); } +} + +fn move_in_match() { + match (S {f:"foo".to_string()}) { + //~^ ERROR [E0509] + S {f:ref _s} => {} + } +} + +fn move_in_let() { + let S {f:ref _s} = S {f:"foo".to_string()}; + //~^ ERROR [E0509] +} + +fn move_in_fn_arg(S {f:ref _s}: S) { + //~^ ERROR [E0509] +} + +fn main() {} diff --git a/src/test/ui/borrowck/borrowck-move-out-of-struct-with-dtor.rs b/src/test/ui/borrowck/borrowck-move-out-of-struct-with-dtor.rs index a429f4bc33b..93183062d61 100644 --- a/src/test/ui/borrowck/borrowck-move-out-of-struct-with-dtor.rs +++ b/src/test/ui/borrowck/borrowck-move-out-of-struct-with-dtor.rs @@ -1,3 +1,5 @@ +// run-rustfix +#![allow(unused)] struct S {f:String} impl Drop for S { fn drop(&mut self) { println!("{}", self.f); } diff --git a/src/test/ui/borrowck/borrowck-move-out-of-struct-with-dtor.stderr b/src/test/ui/borrowck/borrowck-move-out-of-struct-with-dtor.stderr index 7b00ac9f1c3..58f706c65ff 100644 --- a/src/test/ui/borrowck/borrowck-move-out-of-struct-with-dtor.stderr +++ b/src/test/ui/borrowck/borrowck-move-out-of-struct-with-dtor.stderr @@ -1,5 +1,5 @@ error[E0509]: cannot move out of type `S`, which implements the `Drop` trait - --> $DIR/borrowck-move-out-of-struct-with-dtor.rs:7:11 + --> $DIR/borrowck-move-out-of-struct-with-dtor.rs:9:11 | LL | match (S {f:"foo".to_string()}) { | ^^^^^^^^^^^^^^^^^^^^^^^^^ cannot move out of here @@ -9,18 +9,28 @@ LL | S {f:_s} => {} | | | data moved here | move occurs because `_s` has type `String`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | S {f:ref _s} => {} + | +++ error[E0509]: cannot move out of type `S`, which implements the `Drop` trait - --> $DIR/borrowck-move-out-of-struct-with-dtor.rs:14:20 + --> $DIR/borrowck-move-out-of-struct-with-dtor.rs:16:20 | LL | let S {f:_s} = S {f:"foo".to_string()}; | -- ^^^^^^^^^^^^^^^^^^^^^^^ cannot move out of here | | | data moved here | move occurs because `_s` has type `String`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | let S {f:ref _s} = S {f:"foo".to_string()}; + | +++ error[E0509]: cannot move out of type `S`, which implements the `Drop` trait - --> $DIR/borrowck-move-out-of-struct-with-dtor.rs:18:19 + --> $DIR/borrowck-move-out-of-struct-with-dtor.rs:20:19 | LL | fn move_in_fn_arg(S {f:_s}: S) { | ^^^^^--^ @@ -28,6 +38,11 @@ LL | fn move_in_fn_arg(S {f:_s}: S) { | | data moved here | | move occurs because `_s` has type `String`, which does not implement the `Copy` trait | cannot move out of here + | +help: consider borrowing the pattern binding + | +LL | fn move_in_fn_arg(S {f:ref _s}: S) { + | +++ error: aborting due to 3 previous errors diff --git a/src/test/ui/borrowck/borrowck-move-out-of-tuple-struct-with-dtor.fixed b/src/test/ui/borrowck/borrowck-move-out-of-tuple-struct-with-dtor.fixed new file mode 100644 index 00000000000..bc2ddf85fb4 --- /dev/null +++ b/src/test/ui/borrowck/borrowck-move-out-of-tuple-struct-with-dtor.fixed @@ -0,0 +1,24 @@ +// run-rustfix +#![allow(unused)] +struct S(String); +impl Drop for S { + fn drop(&mut self) { } +} + +fn move_in_match() { + match S("foo".to_string()) { + //~^ ERROR cannot move out of type `S`, which implements the `Drop` trait + S(ref _s) => {} + } +} + +fn move_in_let() { + let S(ref _s) = S("foo".to_string()); + //~^ ERROR cannot move out of type `S`, which implements the `Drop` trait +} + +fn move_in_fn_arg(S(ref _s): S) { + //~^ ERROR cannot move out of type `S`, which implements the `Drop` trait +} + +fn main() {} diff --git a/src/test/ui/borrowck/borrowck-move-out-of-tuple-struct-with-dtor.rs b/src/test/ui/borrowck/borrowck-move-out-of-tuple-struct-with-dtor.rs index 5bd32f82ebc..f050bce8740 100644 --- a/src/test/ui/borrowck/borrowck-move-out-of-tuple-struct-with-dtor.rs +++ b/src/test/ui/borrowck/borrowck-move-out-of-tuple-struct-with-dtor.rs @@ -1,3 +1,5 @@ +// run-rustfix +#![allow(unused)] struct S(String); impl Drop for S { fn drop(&mut self) { } diff --git a/src/test/ui/borrowck/borrowck-move-out-of-tuple-struct-with-dtor.stderr b/src/test/ui/borrowck/borrowck-move-out-of-tuple-struct-with-dtor.stderr index f00181b7468..160a1f99f63 100644 --- a/src/test/ui/borrowck/borrowck-move-out-of-tuple-struct-with-dtor.stderr +++ b/src/test/ui/borrowck/borrowck-move-out-of-tuple-struct-with-dtor.stderr @@ -1,5 +1,5 @@ error[E0509]: cannot move out of type `S`, which implements the `Drop` trait - --> $DIR/borrowck-move-out-of-tuple-struct-with-dtor.rs:7:11 + --> $DIR/borrowck-move-out-of-tuple-struct-with-dtor.rs:9:11 | LL | match S("foo".to_string()) { | ^^^^^^^^^^^^^^^^^^^^ cannot move out of here @@ -9,18 +9,28 @@ LL | S(_s) => {} | | | data moved here | move occurs because `_s` has type `String`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | S(ref _s) => {} + | +++ error[E0509]: cannot move out of type `S`, which implements the `Drop` trait - --> $DIR/borrowck-move-out-of-tuple-struct-with-dtor.rs:14:17 + --> $DIR/borrowck-move-out-of-tuple-struct-with-dtor.rs:16:17 | LL | let S(_s) = S("foo".to_string()); | -- ^^^^^^^^^^^^^^^^^^^^ cannot move out of here | | | data moved here | move occurs because `_s` has type `String`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | let S(ref _s) = S("foo".to_string()); + | +++ error[E0509]: cannot move out of type `S`, which implements the `Drop` trait - --> $DIR/borrowck-move-out-of-tuple-struct-with-dtor.rs:18:19 + --> $DIR/borrowck-move-out-of-tuple-struct-with-dtor.rs:20:19 | LL | fn move_in_fn_arg(S(_s): S) { | ^^--^ @@ -28,6 +38,11 @@ LL | fn move_in_fn_arg(S(_s): S) { | | data moved here | | move occurs because `_s` has type `String`, which does not implement the `Copy` trait | cannot move out of here + | +help: consider borrowing the pattern binding + | +LL | fn move_in_fn_arg(S(ref _s): S) { + | +++ error: aborting due to 3 previous errors diff --git a/src/test/ui/borrowck/borrowck-move-out-of-vec-tail.stderr b/src/test/ui/borrowck/borrowck-move-out-of-vec-tail.stderr index a865812cb4a..9ff20a1f46a 100644 --- a/src/test/ui/borrowck/borrowck-move-out-of-vec-tail.stderr +++ b/src/test/ui/borrowck/borrowck-move-out-of-vec-tail.stderr @@ -10,10 +10,10 @@ LL | Foo { string: b }] => { | - ...and here | = note: move occurs because these variables have types that don't implement the `Copy` trait -help: consider removing the `&` +help: consider removing the borrow | -LL ~ [Foo { string: a }, -LL ~ Foo { string: b }] => { +LL - &[Foo { string: a }, +LL + [Foo { string: a }, | error: aborting due to previous error diff --git a/src/test/ui/borrowck/borrowck-overloaded-index-move-from-vec.stderr b/src/test/ui/borrowck/borrowck-overloaded-index-move-from-vec.stderr index 2b4293b433e..f5f4817e9bf 100644 --- a/src/test/ui/borrowck/borrowck-overloaded-index-move-from-vec.stderr +++ b/src/test/ui/borrowck/borrowck-overloaded-index-move-from-vec.stderr @@ -2,10 +2,12 @@ error[E0507]: cannot move out of index of `MyVec<Box<i32>>` --> $DIR/borrowck-overloaded-index-move-from-vec.rs:20:15 | LL | let bad = v[0]; - | ^^^^ - | | - | move occurs because value has type `Box<i32>`, which does not implement the `Copy` trait - | help: consider borrowing here: `&v[0]` + | ^^^^ move occurs because value has type `Box<i32>`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | let bad = &v[0]; + | + error: aborting due to previous error diff --git a/src/test/ui/borrowck/borrowck-vec-pattern-nesting.rs b/src/test/ui/borrowck/borrowck-vec-pattern-nesting.rs index 8a9296c5978..0e9284a2cad 100644 --- a/src/test/ui/borrowck/borrowck-vec-pattern-nesting.rs +++ b/src/test/ui/borrowck/borrowck-vec-pattern-nesting.rs @@ -37,7 +37,7 @@ fn c() { &mut [_a, //~^ NOTE data moved here //~| NOTE move occurs because `_a` has type - //~| HELP consider removing the `&mut` + //~| HELP consider removing the mutable borrow .. ] => { } @@ -56,7 +56,7 @@ fn d() { //~^ ERROR cannot move out //~| NOTE cannot move out &mut [ - //~^ HELP consider removing the `&mut` + //~^ HELP consider removing the mutable borrow _b] => {} //~^ NOTE data moved here //~| NOTE move occurs because `_b` has type @@ -79,7 +79,7 @@ fn e() { //~^ NOTE data moved here //~| NOTE and here //~| NOTE and here - //~| HELP consider removing the `&mut` + //~| HELP consider removing the mutable borrow _ => {} } let a = vec[0]; //~ ERROR cannot move out diff --git a/src/test/ui/borrowck/borrowck-vec-pattern-nesting.stderr b/src/test/ui/borrowck/borrowck-vec-pattern-nesting.stderr index c3bcb7de65d..0dc5e64e4ff 100644 --- a/src/test/ui/borrowck/borrowck-vec-pattern-nesting.stderr +++ b/src/test/ui/borrowck/borrowck-vec-pattern-nesting.stderr @@ -34,14 +34,10 @@ LL | &mut [_a, | data moved here | move occurs because `_a` has type `Box<isize>`, which does not implement the `Copy` trait | -help: consider removing the `&mut` +help: consider removing the mutable borrow | -LL ~ [_a, -LL + -LL + -LL + -LL + .. -LL ~ ] => { +LL - &mut [_a, +LL + [_a, | error[E0508]: cannot move out of type `[Box<isize>]`, a non-copy slice @@ -52,7 +48,11 @@ LL | let a = vec[0]; | | | cannot move out of here | move occurs because `vec[_]` has type `Box<isize>`, which does not implement the `Copy` trait - | help: consider borrowing here: `&vec[0]` + | +help: consider borrowing here + | +LL | let a = &vec[0]; + | + error[E0508]: cannot move out of type `[Box<isize>]`, a non-copy slice --> $DIR/borrowck-vec-pattern-nesting.rs:55:11 @@ -66,11 +66,10 @@ LL | _b] => {} | data moved here | move occurs because `_b` has type `Box<isize>`, which does not implement the `Copy` trait | -help: consider removing the `&mut` +help: consider removing the mutable borrow | -LL ~ [ -LL + -LL ~ _b] => {} +LL - &mut [ +LL + [ | error[E0508]: cannot move out of type `[Box<isize>]`, a non-copy slice @@ -81,7 +80,11 @@ LL | let a = vec[0]; | | | cannot move out of here | move occurs because `vec[_]` has type `Box<isize>`, which does not implement the `Copy` trait - | help: consider borrowing here: `&vec[0]` + | +help: consider borrowing here + | +LL | let a = &vec[0]; + | + error[E0508]: cannot move out of type `[Box<isize>]`, a non-copy slice --> $DIR/borrowck-vec-pattern-nesting.rs:74:11 @@ -90,14 +93,17 @@ LL | match vec { | ^^^ cannot move out of here ... LL | &mut [_a, _b, _c] => {} - | ----------------- - | | | | | - | | | | ...and here - | | | ...and here - | | data moved here - | help: consider removing the `&mut`: `[_a, _b, _c]` + | -- -- -- ...and here + | | | + | | ...and here + | data moved here | = note: move occurs because these variables have types that don't implement the `Copy` trait +help: consider removing the mutable borrow + | +LL - &mut [_a, _b, _c] => {} +LL + [_a, _b, _c] => {} + | error[E0508]: cannot move out of type `[Box<isize>]`, a non-copy slice --> $DIR/borrowck-vec-pattern-nesting.rs:85:13 @@ -107,7 +113,11 @@ LL | let a = vec[0]; | | | cannot move out of here | move occurs because `vec[_]` has type `Box<isize>`, which does not implement the `Copy` trait - | help: consider borrowing here: `&vec[0]` + | +help: consider borrowing here + | +LL | let a = &vec[0]; + | + error: aborting due to 8 previous errors diff --git a/src/test/ui/borrowck/issue-17718-static-move.stderr b/src/test/ui/borrowck/issue-17718-static-move.stderr index 984534bfb8b..65aea5b1834 100644 --- a/src/test/ui/borrowck/issue-17718-static-move.stderr +++ b/src/test/ui/borrowck/issue-17718-static-move.stderr @@ -2,10 +2,12 @@ error[E0507]: cannot move out of static item `FOO` --> $DIR/issue-17718-static-move.rs:6:14 | LL | let _a = FOO; - | ^^^ - | | - | move occurs because `FOO` has type `Foo`, which does not implement the `Copy` trait - | help: consider borrowing here: `&FOO` + | ^^^ move occurs because `FOO` has type `Foo`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | let _a = &FOO; + | + error: aborting due to previous error diff --git a/src/test/ui/borrowck/issue-20801.stderr b/src/test/ui/borrowck/issue-20801.stderr index d276231dc0c..215bf010063 100644 --- a/src/test/ui/borrowck/issue-20801.stderr +++ b/src/test/ui/borrowck/issue-20801.stderr @@ -2,37 +2,49 @@ error[E0507]: cannot move out of a mutable reference --> $DIR/issue-20801.rs:26:22 | LL | let a = unsafe { *mut_ref() }; - | ^^^^^^^^^^ - | | - | move occurs because value has type `T`, which does not implement the `Copy` trait - | help: consider borrowing here: `&*mut_ref()` + | ^^^^^^^^^^ move occurs because value has type `T`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - let a = unsafe { *mut_ref() }; +LL + let a = unsafe { mut_ref() }; + | error[E0507]: cannot move out of a shared reference --> $DIR/issue-20801.rs:29:22 | LL | let b = unsafe { *imm_ref() }; - | ^^^^^^^^^^ - | | - | move occurs because value has type `T`, which does not implement the `Copy` trait - | help: consider borrowing here: `&*imm_ref()` + | ^^^^^^^^^^ move occurs because value has type `T`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - let b = unsafe { *imm_ref() }; +LL + let b = unsafe { imm_ref() }; + | error[E0507]: cannot move out of a raw pointer --> $DIR/issue-20801.rs:32:22 | LL | let c = unsafe { *mut_ptr() }; - | ^^^^^^^^^^ - | | - | move occurs because value has type `T`, which does not implement the `Copy` trait - | help: consider borrowing here: `&*mut_ptr()` + | ^^^^^^^^^^ move occurs because value has type `T`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - let c = unsafe { *mut_ptr() }; +LL + let c = unsafe { mut_ptr() }; + | error[E0507]: cannot move out of a raw pointer --> $DIR/issue-20801.rs:35:22 | LL | let d = unsafe { *const_ptr() }; - | ^^^^^^^^^^^^ - | | - | move occurs because value has type `T`, which does not implement the `Copy` trait - | help: consider borrowing here: `&*const_ptr()` + | ^^^^^^^^^^^^ move occurs because value has type `T`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - let d = unsafe { *const_ptr() }; +LL + let d = unsafe { const_ptr() }; + | error: aborting due to 4 previous errors diff --git a/src/test/ui/borrowck/issue-47215-ice-from-drop-elab.stderr b/src/test/ui/borrowck/issue-47215-ice-from-drop-elab.stderr index eb41af1cea8..8d4918867f7 100644 --- a/src/test/ui/borrowck/issue-47215-ice-from-drop-elab.stderr +++ b/src/test/ui/borrowck/issue-47215-ice-from-drop-elab.stderr @@ -2,10 +2,12 @@ error[E0507]: cannot move out of static item `X` --> $DIR/issue-47215-ice-from-drop-elab.rs:17:21 | LL | let mut x = X; - | ^ - | | - | move occurs because `X` has type `AtomicUsize`, which does not implement the `Copy` trait - | help: consider borrowing here: `&X` + | ^ move occurs because `X` has type `AtomicUsize`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | let mut x = &X; + | + error: aborting due to previous error diff --git a/src/test/ui/borrowck/issue-51301.stderr b/src/test/ui/borrowck/issue-51301.stderr index f3decf7a991..6ec920cb81f 100644 --- a/src/test/ui/borrowck/issue-51301.stderr +++ b/src/test/ui/borrowck/issue-51301.stderr @@ -6,6 +6,11 @@ LL | .find(|(&event_type, _)| event == event_type) | | | data moved here | move occurs because `event_type` has type `EventType`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | .find(|(&ref event_type, _)| event == event_type) + | +++ error: aborting due to previous error diff --git a/src/test/ui/borrowck/issue-51415.fixed b/src/test/ui/borrowck/issue-51415.fixed new file mode 100644 index 00000000000..92943f6c9ec --- /dev/null +++ b/src/test/ui/borrowck/issue-51415.fixed @@ -0,0 +1,12 @@ +// run-rustfix +// Regression test for #51415: match default bindings were failing to +// see the "move out" implied by `&s` below. + +fn main() { + let a = vec![String::from("a")]; + let opt = a.iter().enumerate().find(|(_, &ref s)| { + //~^ ERROR cannot move out + *s == String::from("d") + }).map(|(i, _)| i); + println!("{:?}", opt); +} diff --git a/src/test/ui/borrowck/issue-51415.rs b/src/test/ui/borrowck/issue-51415.rs index f031308fb78..56ed57a61a0 100644 --- a/src/test/ui/borrowck/issue-51415.rs +++ b/src/test/ui/borrowck/issue-51415.rs @@ -1,3 +1,4 @@ +// run-rustfix // Regression test for #51415: match default bindings were failing to // see the "move out" implied by `&s` below. diff --git a/src/test/ui/borrowck/issue-51415.stderr b/src/test/ui/borrowck/issue-51415.stderr index a88819efcf7..0d486b45592 100644 --- a/src/test/ui/borrowck/issue-51415.stderr +++ b/src/test/ui/borrowck/issue-51415.stderr @@ -1,11 +1,16 @@ error[E0507]: cannot move out of a shared reference - --> $DIR/issue-51415.rs:6:42 + --> $DIR/issue-51415.rs:7:42 | LL | let opt = a.iter().enumerate().find(|(_, &s)| { | ^^^^^-^ | | | data moved here | move occurs because `s` has type `String`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | let opt = a.iter().enumerate().find(|(_, &ref s)| { + | +++ error: aborting due to previous error diff --git a/src/test/ui/borrowck/issue-54597-reject-move-out-of-borrow-via-pat.stderr b/src/test/ui/borrowck/issue-54597-reject-move-out-of-borrow-via-pat.stderr index 1f9cbdb7342..99c63e4db50 100644 --- a/src/test/ui/borrowck/issue-54597-reject-move-out-of-borrow-via-pat.stderr +++ b/src/test/ui/borrowck/issue-54597-reject-move-out-of-borrow-via-pat.stderr @@ -2,10 +2,13 @@ error[E0507]: cannot move out of `*array` which is behind a shared reference --> $DIR/issue-54597-reject-move-out-of-borrow-via-pat.rs:14:13 | LL | *array - | ^^^^^^ - | | - | move occurs because `*array` has type `Vec<Value>`, which does not implement the `Copy` trait - | help: consider borrowing here: `&*array` + | ^^^^^^ move occurs because `*array` has type `Vec<Value>`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - *array +LL + array + | error: aborting due to previous error diff --git a/src/test/ui/borrowck/issue-83760.stderr b/src/test/ui/borrowck/issue-83760.stderr index 2552fff860c..a585bff0c65 100644 --- a/src/test/ui/borrowck/issue-83760.stderr +++ b/src/test/ui/borrowck/issue-83760.stderr @@ -27,11 +27,8 @@ LL | foo = Some(Struct); LL | let _y = foo; | ^^^ value used here after move | -note: this function takes ownership of the receiver `self`, which moves `foo` +note: `Option::<T>::unwrap` takes ownership of the receiver `self`, which moves `foo` --> $SRC_DIR/core/src/option.rs:LL:COL - | -LL | pub const fn unwrap(self) -> T { - | ^^^^ error[E0382]: use of moved value: `foo` --> $DIR/issue-83760.rs:37:14 @@ -55,11 +52,8 @@ LL | foo = Some(Struct); LL | } else if true { LL | foo = Some(Struct); | ^^^^^^^^^^^^^^^^^^ -note: this function takes ownership of the receiver `self`, which moves `foo` +note: `Option::<T>::unwrap` takes ownership of the receiver `self`, which moves `foo` --> $SRC_DIR/core/src/option.rs:LL:COL - | -LL | pub const fn unwrap(self) -> T { - | ^^^^ error: aborting due to 3 previous errors diff --git a/src/test/ui/borrowck/issue-87456-point-to-closure.stderr b/src/test/ui/borrowck/issue-87456-point-to-closure.stderr index 039575a8d79..afd141125ac 100644 --- a/src/test/ui/borrowck/issue-87456-point-to-closure.stderr +++ b/src/test/ui/borrowck/issue-87456-point-to-closure.stderr @@ -8,10 +8,12 @@ LL | take_mut(|| { | -- captured by this `FnMut` closure LL | LL | let _foo: String = val; - | ^^^ - | | - | move occurs because `val` has type `String`, which does not implement the `Copy` trait - | help: consider borrowing here: `&val` + | ^^^ move occurs because `val` has type `String`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | let _foo: String = &val; + | + error: aborting due to previous error diff --git a/src/test/ui/borrowck/move-error-snippets.stderr b/src/test/ui/borrowck/move-error-snippets.stderr index 984981ce2ea..8ac711e9e59 100644 --- a/src/test/ui/borrowck/move-error-snippets.stderr +++ b/src/test/ui/borrowck/move-error-snippets.stderr @@ -2,10 +2,7 @@ error[E0507]: cannot move out of static item `D` --> $DIR/move-error-snippets-ext.rs:5:17 | LL | let a = $c; - | ^^ - | | - | move occurs because `D` has type `A`, which does not implement the `Copy` trait - | help: consider borrowing here: `&$c` + | ^^ move occurs because `D` has type `A`, which does not implement the `Copy` trait | ::: $DIR/move-error-snippets.rs:21:1 | @@ -13,6 +10,10 @@ LL | sss!(); | ------ in this macro invocation | = note: this error originates in the macro `aaa` which comes from the expansion of the macro `sss` (in Nightly builds, run with -Z macro-backtrace for more info) +help: consider borrowing here + | +LL | let a = &$c; + | + error: aborting due to previous error diff --git a/src/test/ui/borrowck/reborrow-sugg-move-then-borrow.stderr b/src/test/ui/borrowck/reborrow-sugg-move-then-borrow.stderr index 13a2005e2ef..ecd916a59fc 100644 --- a/src/test/ui/borrowck/reborrow-sugg-move-then-borrow.stderr +++ b/src/test/ui/borrowck/reborrow-sugg-move-then-borrow.stderr @@ -9,11 +9,8 @@ LL | LL | fill_segment(state); | ^^^^^ value borrowed here after move | -note: this function takes ownership of the receiver `self`, which moves `state` +note: `into_iter` takes ownership of the receiver `self`, which moves `state` --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL - | -LL | fn into_iter(self) -> Self::IntoIter; - | ^^^^ help: consider creating a fresh reborrow of `state` here | LL | for _ in &mut *state {} diff --git a/src/test/ui/borrowck/suggest-as-ref-on-mut-closure.stderr b/src/test/ui/borrowck/suggest-as-ref-on-mut-closure.stderr index b1af090aec2..4621d879351 100644 --- a/src/test/ui/borrowck/suggest-as-ref-on-mut-closure.stderr +++ b/src/test/ui/borrowck/suggest-as-ref-on-mut-closure.stderr @@ -8,11 +8,8 @@ LL | cb.map(|cb| cb()); | help: consider calling `.as_ref()` or `.as_mut()` to borrow the type's contents | move occurs because `*cb` has type `Option<&mut dyn FnMut()>`, which does not implement the `Copy` trait | -note: this function takes ownership of the receiver `self`, which moves `*cb` +note: `Option::<T>::map` takes ownership of the receiver `self`, which moves `*cb` --> $SRC_DIR/core/src/option.rs:LL:COL - | -LL | pub const fn map<U, F>(self, f: F) -> Option<U> - | ^^^^ error[E0596]: cannot borrow `*cb` as mutable, as it is behind a `&` reference --> $DIR/suggest-as-ref-on-mut-closure.rs:12:26 diff --git a/src/test/ui/borrowck/unboxed-closures-move-upvar-from-non-once-ref-closure.stderr b/src/test/ui/borrowck/unboxed-closures-move-upvar-from-non-once-ref-closure.stderr index 0c151b09707..b1367c65218 100644 --- a/src/test/ui/borrowck/unboxed-closures-move-upvar-from-non-once-ref-closure.stderr +++ b/src/test/ui/borrowck/unboxed-closures-move-upvar-from-non-once-ref-closure.stderr @@ -10,11 +10,8 @@ LL | y.into_iter(); | | | move occurs because `y` has type `Vec<String>`, which does not implement the `Copy` trait | -note: this function takes ownership of the receiver `self`, which moves `y` +note: `into_iter` takes ownership of the receiver `self`, which moves `y` --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL - | -LL | fn into_iter(self) -> Self::IntoIter; - | ^^^^ error: aborting due to previous error diff --git a/src/test/ui/box/into-boxed-slice-fail.stderr b/src/test/ui/box/into-boxed-slice-fail.stderr index de654fdc1a4..f102f666dc2 100644 --- a/src/test/ui/box/into-boxed-slice-fail.stderr +++ b/src/test/ui/box/into-boxed-slice-fail.stderr @@ -9,9 +9,6 @@ LL | let _ = Box::into_boxed_slice(boxed_slice); = help: the trait `Sized` is not implemented for `[u8]` note: required by a bound in `Box::<T, A>::into_boxed_slice` --> $SRC_DIR/alloc/src/boxed.rs:LL:COL - | -LL | impl<T, A: Allocator> Box<T, A> { - | ^ required by this bound in `Box::<T, A>::into_boxed_slice` error[E0277]: the size for values of type `[u8]` cannot be known at compilation time --> $DIR/into-boxed-slice-fail.rs:7:13 @@ -33,9 +30,6 @@ LL | let _ = Box::into_boxed_slice(boxed_trait); = help: the trait `Sized` is not implemented for `dyn Debug` note: required by a bound in `Box::<T, A>::into_boxed_slice` --> $SRC_DIR/alloc/src/boxed.rs:LL:COL - | -LL | impl<T, A: Allocator> Box<T, A> { - | ^ required by this bound in `Box::<T, A>::into_boxed_slice` error[E0277]: the size for values of type `dyn Debug` cannot be known at compilation time --> $DIR/into-boxed-slice-fail.rs:11:13 diff --git a/src/test/ui/by-move-pattern-binding.rs b/src/test/ui/by-move-pattern-binding.rs index d4c9f23164f..f68d181291d 100644 --- a/src/test/ui/by-move-pattern-binding.rs +++ b/src/test/ui/by-move-pattern-binding.rs @@ -19,4 +19,11 @@ fn main() { &E::Foo => {} &E::Bar(ref identifier) => println!("{}", *identifier) }; + if let &E::Bar(identifier) = &s.x { //~ ERROR cannot move + f(identifier.clone()); + }; + let &E::Bar(identifier) = &s.x else { //~ ERROR cannot move + return; + }; + f(identifier.clone()); } diff --git a/src/test/ui/by-move-pattern-binding.stderr b/src/test/ui/by-move-pattern-binding.stderr index 0012f67cfa1..203e37dc387 100644 --- a/src/test/ui/by-move-pattern-binding.stderr +++ b/src/test/ui/by-move-pattern-binding.stderr @@ -5,12 +5,47 @@ LL | match &s.x { | ^^^^ LL | &E::Foo => {} LL | &E::Bar(identifier) => f(identifier.clone()) - | ------------------- - | | | - | | data moved here - | | move occurs because `identifier` has type `String`, which does not implement the `Copy` trait - | help: consider removing the `&`: `E::Bar(identifier)` + | ---------- + | | + | data moved here + | move occurs because `identifier` has type `String`, which does not implement the `Copy` trait + | +help: consider removing the borrow + | +LL - &E::Bar(identifier) => f(identifier.clone()) +LL + E::Bar(identifier) => f(identifier.clone()) + | + +error[E0507]: cannot move out of a shared reference + --> $DIR/by-move-pattern-binding.rs:22:34 + | +LL | if let &E::Bar(identifier) = &s.x { + | ---------- ^^^^ + | | + | data moved here + | move occurs because `identifier` has type `String`, which does not implement the `Copy` trait + | +help: consider removing the borrow + | +LL - if let &E::Bar(identifier) = &s.x { +LL + if let E::Bar(identifier) = &s.x { + | + +error[E0507]: cannot move out of a shared reference + --> $DIR/by-move-pattern-binding.rs:25:31 + | +LL | let &E::Bar(identifier) = &s.x else { + | ---------- ^^^^ + | | + | data moved here + | move occurs because `identifier` has type `String`, which does not implement the `Copy` trait + | +help: consider removing the borrow + | +LL - let &E::Bar(identifier) = &s.x else { +LL + let E::Bar(identifier) = &s.x else { + | -error: aborting due to previous error +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0507`. diff --git a/src/test/ui/c-variadic/issue-86053-1.stderr b/src/test/ui/c-variadic/issue-86053-1.stderr index 075bd1fc488..d1f13d52362 100644 --- a/src/test/ui/c-variadic/issue-86053-1.stderr +++ b/src/test/ui/c-variadic/issue-86053-1.stderr @@ -63,11 +63,9 @@ error[E0412]: cannot find type `F` in this scope | LL | self , ... , self , self , ... ) where F : FnOnce ( & 'a & 'b usize ) { | ^ + --> $SRC_DIR/core/src/ops/function.rs:LL:COL | - ::: $SRC_DIR/core/src/ops/function.rs:LL:COL - | -LL | pub trait Fn<Args: Tuple>: FnMut<Args> { - | -------------------------------------- similarly named trait `Fn` defined here + = note: similarly named trait `Fn` defined here | help: a trait with a similar name exists | diff --git a/src/test/ui/chalkify/bugs/async.stderr b/src/test/ui/chalkify/bugs/async.stderr index 4804df13340..eda867f4159 100644 --- a/src/test/ui/chalkify/bugs/async.stderr +++ b/src/test/ui/chalkify/bugs/async.stderr @@ -14,9 +14,6 @@ LL | | } = note: [async fn body@$DIR/async.rs:7:29: 9:2] must be a future or must implement `IntoFuture` to be awaited note: required by a bound in `identity_future` --> $SRC_DIR/core/src/future/mod.rs:LL:COL - | -LL | pub const fn identity_future<O, Fut: Future<Output = O>>(f: Fut) -> Fut { - | ^^^^^^^^^^^^^^^^^^ required by this bound in `identity_future` error[E0277]: the size for values of type `<[async fn body@$DIR/async.rs:7:29: 9:2] as Future>::Output` cannot be known at compilation time --> $DIR/async.rs:7:29 @@ -30,9 +27,6 @@ LL | | } = help: the trait `Sized` is not implemented for `<[async fn body@$DIR/async.rs:7:29: 9:2] as Future>::Output` note: required by a bound in `identity_future` --> $SRC_DIR/core/src/future/mod.rs:LL:COL - | -LL | pub const fn identity_future<O, Fut: Future<Output = O>>(f: Fut) -> Fut { - | ^ required by this bound in `identity_future` error[E0277]: `[async fn body@$DIR/async.rs:7:29: 9:2]` is not a future --> $DIR/async.rs:7:25 diff --git a/src/test/ui/check-static-values-constraints.stderr b/src/test/ui/check-static-values-constraints.stderr index 31939f7f6db..b13700a4ea5 100644 --- a/src/test/ui/check-static-values-constraints.stderr +++ b/src/test/ui/check-static-values-constraints.stderr @@ -58,10 +58,12 @@ error[E0507]: cannot move out of static item `x` --> $DIR/check-static-values-constraints.rs:110:45 | LL | let y = { static x: Box<isize> = box 3; x }; - | ^ - | | - | move occurs because `x` has type `Box<isize>`, which does not implement the `Copy` trait - | help: consider borrowing here: `&x` + | ^ move occurs because `x` has type `Box<isize>`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | let y = { static x: Box<isize> = box 3; &x }; + | + error[E0010]: allocations are not allowed in statics --> $DIR/check-static-values-constraints.rs:110:38 diff --git a/src/test/ui/closures/closure-expected.stderr b/src/test/ui/closures/closure-expected.stderr index 7ffe3c1ef95..87a5d67a420 100644 --- a/src/test/ui/closures/closure-expected.stderr +++ b/src/test/ui/closures/closure-expected.stderr @@ -10,9 +10,6 @@ LL | let y = x.or_else(4); = note: wrap the `{integer}` in a closure with no arguments: `|| { /* code */ }` note: required by a bound in `Option::<T>::or_else` --> $SRC_DIR/core/src/option.rs:LL:COL - | -LL | F: ~const FnOnce() -> Option<T>, - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Option::<T>::or_else` error: aborting due to previous error diff --git a/src/test/ui/closures/closure-move-sync.stderr b/src/test/ui/closures/closure-move-sync.stderr index a2ca06b4e6e..64e3b51ea71 100644 --- a/src/test/ui/closures/closure-move-sync.stderr +++ b/src/test/ui/closures/closure-move-sync.stderr @@ -19,9 +19,6 @@ LL | let t = thread::spawn(|| { | ^^ note: required by a bound in `spawn` --> $SRC_DIR/std/src/thread/mod.rs:LL:COL - | -LL | F: Send + 'static, - | ^^^^ required by this bound in `spawn` error[E0277]: `Sender<()>` cannot be shared between threads safely --> $DIR/closure-move-sync.rs:18:19 @@ -40,9 +37,6 @@ LL | thread::spawn(|| tx.send(()).unwrap()); | ^^ note: required by a bound in `spawn` --> $SRC_DIR/std/src/thread/mod.rs:LL:COL - | -LL | F: Send + 'static, - | ^^^^ required by this bound in `spawn` error: aborting due to 2 previous errors diff --git a/src/test/ui/closures/coerce-unsafe-to-closure.stderr b/src/test/ui/closures/coerce-unsafe-to-closure.stderr index 6ce63e829b3..449cd0b3177 100644 --- a/src/test/ui/closures/coerce-unsafe-to-closure.stderr +++ b/src/test/ui/closures/coerce-unsafe-to-closure.stderr @@ -10,9 +10,6 @@ LL | let x: Option<&[u8]> = Some("foo").map(std::mem::transmute); = note: unsafe function cannot be called generically without an unsafe block note: required by a bound in `Option::<T>::map` --> $SRC_DIR/core/src/option.rs:LL:COL - | -LL | F: ~const FnOnce(T) -> U, - | ^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Option::<T>::map` error: aborting due to previous error diff --git a/src/test/ui/closures/issue-78720.stderr b/src/test/ui/closures/issue-78720.stderr index da3f539a007..1e860d32b2a 100644 --- a/src/test/ui/closures/issue-78720.stderr +++ b/src/test/ui/closures/issue-78720.stderr @@ -9,11 +9,9 @@ error[E0412]: cannot find type `F` in this scope | LL | _func: F, | ^ + --> $SRC_DIR/core/src/ops/function.rs:LL:COL | - ::: $SRC_DIR/core/src/ops/function.rs:LL:COL - | -LL | pub trait Fn<Args: Tuple>: FnMut<Args> { - | -------------------------------------- similarly named trait `Fn` defined here + = note: similarly named trait `Fn` defined here | help: a trait with a similar name exists | diff --git a/src/test/ui/closures/issue-87461.stderr b/src/test/ui/closures/issue-87461.stderr index 0e788a16eb0..72337892734 100644 --- a/src/test/ui/closures/issue-87461.stderr +++ b/src/test/ui/closures/issue-87461.stderr @@ -8,9 +8,6 @@ LL | Ok(()) | note: tuple variant defined here --> $SRC_DIR/core/src/result.rs:LL:COL - | -LL | Ok(#[stable(feature = "rust1", since = "1.0.0")] T), - | ^^ error[E0308]: mismatched types --> $DIR/issue-87461.rs:17:8 @@ -22,9 +19,6 @@ LL | Ok(()) | note: tuple variant defined here --> $SRC_DIR/core/src/result.rs:LL:COL - | -LL | Ok(#[stable(feature = "rust1", since = "1.0.0")] T), - | ^^ error[E0308]: mismatched types --> $DIR/issue-87461.rs:26:12 @@ -36,9 +30,6 @@ LL | Ok(()) | note: tuple variant defined here --> $SRC_DIR/core/src/result.rs:LL:COL - | -LL | Ok(#[stable(feature = "rust1", since = "1.0.0")] T), - | ^^ error: aborting due to 3 previous errors diff --git a/src/test/ui/closures/issue-90871.stderr b/src/test/ui/closures/issue-90871.stderr index a482750fbd0..4a578b4d7f5 100644 --- a/src/test/ui/closures/issue-90871.stderr +++ b/src/test/ui/closures/issue-90871.stderr @@ -3,11 +3,9 @@ error[E0412]: cannot find type `n` in this scope | LL | type_ascribe!(2, n([u8; || 1])) | ^ help: a trait with a similar name exists: `Fn` + --> $SRC_DIR/core/src/ops/function.rs:LL:COL | - ::: $SRC_DIR/core/src/ops/function.rs:LL:COL - | -LL | pub trait Fn<Args: Tuple>: FnMut<Args> { - | -------------------------------------- similarly named trait `Fn` defined here + = note: similarly named trait `Fn` defined here error[E0308]: mismatched types --> $DIR/issue-90871.rs:4:29 diff --git a/src/test/ui/codemap_tests/tab_3.stderr b/src/test/ui/codemap_tests/tab_3.stderr index 080f6c39449..e0e369124a4 100644 --- a/src/test/ui/codemap_tests/tab_3.stderr +++ b/src/test/ui/codemap_tests/tab_3.stderr @@ -9,11 +9,8 @@ LL | { LL | println!("{:?}", some_vec); | ^^^^^^^^ value borrowed here after move | -note: this function takes ownership of the receiver `self`, which moves `some_vec` +note: `into_iter` takes ownership of the receiver `self`, which moves `some_vec` --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL - | -LL | fn into_iter(self) -> Self::IntoIter; - | ^^^^ = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider cloning the value if the performance cost is acceptable | diff --git a/src/test/ui/const-generics/generic_arg_infer/issue-91614.stderr b/src/test/ui/const-generics/generic_arg_infer/issue-91614.stderr index 688db695fa8..293ca6232b1 100644 --- a/src/test/ui/const-generics/generic_arg_infer/issue-91614.stderr +++ b/src/test/ui/const-generics/generic_arg_infer/issue-91614.stderr @@ -7,9 +7,6 @@ LL | let y = Mask::<_, _>::splat(false); = note: cannot satisfy `_: MaskElement` note: required by a bound in `Mask::<T, LANES>::splat` --> $SRC_DIR/core/src/../../portable-simd/crates/core_simd/src/masks.rs:LL:COL - | -LL | T: MaskElement, - | ^^^^^^^^^^^ required by this bound in `Mask::<T, LANES>::splat` help: consider giving `y` an explicit type, where the type for type parameter `T` is specified | LL | let y: Mask<_, LANES> = Mask::<_, _>::splat(false); diff --git a/src/test/ui/const-generics/generic_const_exprs/issue-80742.stderr b/src/test/ui/const-generics/generic_const_exprs/issue-80742.stderr index bf1b411ee7c..a08c9912527 100644 --- a/src/test/ui/const-generics/generic_const_exprs/issue-80742.stderr +++ b/src/test/ui/const-generics/generic_const_exprs/issue-80742.stderr @@ -1,14 +1,10 @@ error[E0080]: evaluation of `Inline::<dyn std::fmt::Debug>::{constant#0}` failed --> $SRC_DIR/core/src/mem/mod.rs:LL:COL | -LL | intrinsics::size_of::<T>() - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ size_of called on unsized type `dyn Debug` + = note: size_of called on unsized type `dyn Debug` | note: inside `std::mem::size_of::<dyn Debug>` --> $SRC_DIR/core/src/mem/mod.rs:LL:COL - | -LL | intrinsics::size_of::<T>() - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `Inline::<dyn Debug>::{constant#0}` --> $DIR/issue-80742.rs:22:10 | @@ -23,11 +19,9 @@ LL | struct Inline<T> ... LL | let dst = Inline::<dyn Debug>::new(0); | ^^^ function or associated item cannot be called on `Inline<dyn Debug>` due to unsatisfied trait bounds + --> $SRC_DIR/core/src/fmt/mod.rs:LL:COL | - ::: $SRC_DIR/core/src/fmt/mod.rs:LL:COL - | -LL | pub trait Debug { - | --------------- doesn't satisfy `dyn Debug: Sized` + = note: doesn't satisfy `dyn Debug: Sized` | = note: the following trait bounds were not satisfied: `dyn Debug: Sized` @@ -35,14 +29,10 @@ LL | pub trait Debug { error[E0080]: evaluation of `Inline::<dyn std::fmt::Debug>::{constant#0}` failed --> $SRC_DIR/core/src/mem/mod.rs:LL:COL | -LL | intrinsics::size_of::<T>() - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ size_of called on unsized type `dyn Debug` + = note: size_of called on unsized type `dyn Debug` | note: inside `std::mem::size_of::<dyn Debug>` --> $SRC_DIR/core/src/mem/mod.rs:LL:COL - | -LL | intrinsics::size_of::<T>() - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `Inline::<dyn Debug>::{constant#0}` --> $DIR/issue-80742.rs:14:10 | diff --git a/src/test/ui/const-generics/invalid-const-arg-for-type-param.stderr b/src/test/ui/const-generics/invalid-const-arg-for-type-param.stderr index d955b4f9651..8c76ca69029 100644 --- a/src/test/ui/const-generics/invalid-const-arg-for-type-param.stderr +++ b/src/test/ui/const-generics/invalid-const-arg-for-type-param.stderr @@ -4,11 +4,6 @@ error[E0107]: this associated function takes 0 generic arguments but 1 generic a LL | let _: u32 = 5i32.try_into::<32>().unwrap(); | ^^^^^^^^ expected 0 generic arguments | -note: associated function defined here, with 0 generic parameters - --> $SRC_DIR/core/src/convert/mod.rs:LL:COL - | -LL | fn try_into(self) -> Result<T, Self::Error>; - | ^^^^^^^^ help: consider moving this generic argument to the `TryInto` trait, which takes up to 1 argument | LL | let _: u32 = TryInto::<32>::try_into(5i32).unwrap(); diff --git a/src/test/ui/const-generics/invalid-constant-in-args.stderr b/src/test/ui/const-generics/invalid-constant-in-args.stderr index 1400d2bf5a7..993b63518e4 100644 --- a/src/test/ui/const-generics/invalid-constant-in-args.stderr +++ b/src/test/ui/const-generics/invalid-constant-in-args.stderr @@ -5,12 +5,6 @@ LL | let _: Cell<&str, "a"> = Cell::new(""); | ^^^^ --- help: remove this generic argument | | | expected 1 generic argument - | -note: struct defined here, with 1 generic parameter: `T` - --> $SRC_DIR/core/src/cell.rs:LL:COL - | -LL | pub struct Cell<T: ?Sized> { - | ^^^^ - error: aborting due to previous error diff --git a/src/test/ui/const-ptr/forbidden_slices.32bit.stderr b/src/test/ui/const-ptr/forbidden_slices.32bit.stderr index 563f3ffd674..3a58a7cd7ef 100644 --- a/src/test/ui/const-ptr/forbidden_slices.32bit.stderr +++ b/src/test/ui/const-ptr/forbidden_slices.32bit.stderr @@ -1,14 +1,10 @@ error[E0080]: could not evaluate static initializer --> $SRC_DIR/core/src/slice/raw.rs:LL:COL | -LL | &*ptr::slice_from_raw_parts(data, len) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ dereferencing pointer failed: null pointer is a dangling pointer (it has no provenance) + = note: dereferencing pointer failed: null pointer is a dangling pointer (it has no provenance) | note: inside `std::slice::from_raw_parts::<'_, u32>` --> $SRC_DIR/core/src/slice/raw.rs:LL:COL - | -LL | &*ptr::slice_from_raw_parts(data, len) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `S0` --> $DIR/forbidden_slices.rs:18:34 | @@ -18,14 +14,10 @@ LL | pub static S0: &[u32] = unsafe { from_raw_parts(ptr::null(), 0) }; error[E0080]: could not evaluate static initializer --> $SRC_DIR/core/src/slice/raw.rs:LL:COL | -LL | &*ptr::slice_from_raw_parts(data, len) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ dereferencing pointer failed: null pointer is a dangling pointer (it has no provenance) + = note: dereferencing pointer failed: null pointer is a dangling pointer (it has no provenance) | note: inside `std::slice::from_raw_parts::<'_, ()>` --> $SRC_DIR/core/src/slice/raw.rs:LL:COL - | -LL | &*ptr::slice_from_raw_parts(data, len) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `S1` --> $DIR/forbidden_slices.rs:19:33 | @@ -35,14 +27,10 @@ LL | pub static S1: &[()] = unsafe { from_raw_parts(ptr::null(), 0) }; error[E0080]: could not evaluate static initializer --> $SRC_DIR/core/src/slice/raw.rs:LL:COL | -LL | &*ptr::slice_from_raw_parts(data, len) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ dereferencing pointer failed: ALLOC_ID has size 4, so pointer to 8 bytes starting at offset 0 is out-of-bounds + = note: dereferencing pointer failed: ALLOC_ID has size 4, so pointer to 8 bytes starting at offset 0 is out-of-bounds | note: inside `std::slice::from_raw_parts::<'_, u32>` --> $SRC_DIR/core/src/slice/raw.rs:LL:COL - | -LL | &*ptr::slice_from_raw_parts(data, len) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `S2` --> $DIR/forbidden_slices.rs:22:34 | @@ -97,14 +85,10 @@ LL | pub static S7: &[u16] = unsafe { error[E0080]: could not evaluate static initializer --> $SRC_DIR/core/src/slice/raw.rs:LL:COL | -LL | &*ptr::slice_from_raw_parts(data, len) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ dereferencing pointer failed: ALLOC_ID has size 8, so pointer to 8 bytes starting at offset 1 is out-of-bounds + = note: dereferencing pointer failed: ALLOC_ID has size 8, so pointer to 8 bytes starting at offset 1 is out-of-bounds | note: inside `std::slice::from_raw_parts::<'_, u64>` --> $SRC_DIR/core/src/slice/raw.rs:LL:COL - | -LL | &*ptr::slice_from_raw_parts(data, len) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `S8` --> $DIR/forbidden_slices.rs:43:5 | @@ -114,19 +98,12 @@ LL | from_raw_parts(ptr, 1) error[E0080]: could not evaluate static initializer --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | -LL | unsafe { intrinsics::ptr_offset_from_unsigned(self, origin) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds offset_from: null pointer is a dangling pointer (it has no provenance) + = note: out-of-bounds offset_from: null pointer is a dangling pointer (it has no provenance) | note: inside `ptr::const_ptr::<impl *const u32>::sub_ptr` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { intrinsics::ptr_offset_from_unsigned(self, origin) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `from_ptr_range::<'_, u32>` --> $SRC_DIR/core/src/slice/raw.rs:LL:COL - | -LL | unsafe { from_raw_parts(range.start, range.end.sub_ptr(range.start)) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `R0` --> $DIR/forbidden_slices.rs:46:34 | @@ -136,19 +113,12 @@ LL | pub static R0: &[u32] = unsafe { from_ptr_range(ptr::null()..ptr::null()) } error[E0080]: could not evaluate static initializer --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | -LL | assert!(0 < pointee_size && pointee_size <= isize::MAX as usize); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the evaluated program panicked at 'assertion failed: 0 < pointee_size && pointee_size <= isize::MAX as usize', $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL + = note: the evaluated program panicked at 'assertion failed: 0 < pointee_size && pointee_size <= isize::MAX as usize', $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | note: inside `ptr::const_ptr::<impl *const ()>::sub_ptr` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | assert!(0 < pointee_size && pointee_size <= isize::MAX as usize); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `from_ptr_range::<'_, ()>` --> $SRC_DIR/core/src/slice/raw.rs:LL:COL - | -LL | unsafe { from_raw_parts(range.start, range.end.sub_ptr(range.start)) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `R1` --> $DIR/forbidden_slices.rs:47:33 | @@ -159,19 +129,12 @@ LL | pub static R1: &[()] = unsafe { from_ptr_range(ptr::null()..ptr::null()) }; error[E0080]: could not evaluate static initializer --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds pointer arithmetic: ALLOC_ID has size 4, so pointer to 8 bytes starting at offset 0 is out-of-bounds + = note: out-of-bounds pointer arithmetic: ALLOC_ID has size 4, so pointer to 8 bytes starting at offset 0 is out-of-bounds | note: inside `ptr::const_ptr::<impl *const u32>::offset` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `ptr::const_ptr::<impl *const u32>::add` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { self.offset(count as isize) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `R2` --> $DIR/forbidden_slices.rs:50:25 | @@ -226,19 +189,12 @@ LL | pub static R7: &[u16] = unsafe { error[E0080]: could not evaluate static initializer --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds pointer arithmetic: ALLOC_ID has size 8, so pointer to 8 bytes starting at offset 1 is out-of-bounds + = note: out-of-bounds pointer arithmetic: ALLOC_ID has size 8, so pointer to 8 bytes starting at offset 1 is out-of-bounds | note: inside `ptr::const_ptr::<impl *const u64>::offset` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `ptr::const_ptr::<impl *const u64>::add` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { self.offset(count as isize) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `R8` --> $DIR/forbidden_slices.rs:74:25 | @@ -248,19 +204,12 @@ LL | from_ptr_range(ptr..ptr.add(1)) error[E0080]: could not evaluate static initializer --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | -LL | unsafe { intrinsics::ptr_offset_from_unsigned(self, origin) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `ptr_offset_from_unsigned` called on pointers into different allocations + = note: `ptr_offset_from_unsigned` called on pointers into different allocations | note: inside `ptr::const_ptr::<impl *const u32>::sub_ptr` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { intrinsics::ptr_offset_from_unsigned(self, origin) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `from_ptr_range::<'_, u32>` --> $SRC_DIR/core/src/slice/raw.rs:LL:COL - | -LL | unsafe { from_raw_parts(range.start, range.end.sub_ptr(range.start)) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `R9` --> $DIR/forbidden_slices.rs:79:34 | @@ -270,19 +219,12 @@ LL | pub static R9: &[u32] = unsafe { from_ptr_range(&D0..(&D0 as *const u32).ad error[E0080]: could not evaluate static initializer --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | -LL | unsafe { intrinsics::ptr_offset_from_unsigned(self, origin) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `ptr_offset_from_unsigned` called on pointers into different allocations + = note: `ptr_offset_from_unsigned` called on pointers into different allocations | note: inside `ptr::const_ptr::<impl *const u32>::sub_ptr` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { intrinsics::ptr_offset_from_unsigned(self, origin) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `from_ptr_range::<'_, u32>` --> $SRC_DIR/core/src/slice/raw.rs:LL:COL - | -LL | unsafe { from_raw_parts(range.start, range.end.sub_ptr(range.start)) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `R10` --> $DIR/forbidden_slices.rs:80:35 | diff --git a/src/test/ui/const-ptr/forbidden_slices.64bit.stderr b/src/test/ui/const-ptr/forbidden_slices.64bit.stderr index 43529d57f40..4e929e3525c 100644 --- a/src/test/ui/const-ptr/forbidden_slices.64bit.stderr +++ b/src/test/ui/const-ptr/forbidden_slices.64bit.stderr @@ -1,14 +1,10 @@ error[E0080]: could not evaluate static initializer --> $SRC_DIR/core/src/slice/raw.rs:LL:COL | -LL | &*ptr::slice_from_raw_parts(data, len) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ dereferencing pointer failed: null pointer is a dangling pointer (it has no provenance) + = note: dereferencing pointer failed: null pointer is a dangling pointer (it has no provenance) | note: inside `std::slice::from_raw_parts::<'_, u32>` --> $SRC_DIR/core/src/slice/raw.rs:LL:COL - | -LL | &*ptr::slice_from_raw_parts(data, len) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `S0` --> $DIR/forbidden_slices.rs:18:34 | @@ -18,14 +14,10 @@ LL | pub static S0: &[u32] = unsafe { from_raw_parts(ptr::null(), 0) }; error[E0080]: could not evaluate static initializer --> $SRC_DIR/core/src/slice/raw.rs:LL:COL | -LL | &*ptr::slice_from_raw_parts(data, len) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ dereferencing pointer failed: null pointer is a dangling pointer (it has no provenance) + = note: dereferencing pointer failed: null pointer is a dangling pointer (it has no provenance) | note: inside `std::slice::from_raw_parts::<'_, ()>` --> $SRC_DIR/core/src/slice/raw.rs:LL:COL - | -LL | &*ptr::slice_from_raw_parts(data, len) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `S1` --> $DIR/forbidden_slices.rs:19:33 | @@ -35,14 +27,10 @@ LL | pub static S1: &[()] = unsafe { from_raw_parts(ptr::null(), 0) }; error[E0080]: could not evaluate static initializer --> $SRC_DIR/core/src/slice/raw.rs:LL:COL | -LL | &*ptr::slice_from_raw_parts(data, len) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ dereferencing pointer failed: ALLOC_ID has size 4, so pointer to 8 bytes starting at offset 0 is out-of-bounds + = note: dereferencing pointer failed: ALLOC_ID has size 4, so pointer to 8 bytes starting at offset 0 is out-of-bounds | note: inside `std::slice::from_raw_parts::<'_, u32>` --> $SRC_DIR/core/src/slice/raw.rs:LL:COL - | -LL | &*ptr::slice_from_raw_parts(data, len) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `S2` --> $DIR/forbidden_slices.rs:22:34 | @@ -97,14 +85,10 @@ LL | pub static S7: &[u16] = unsafe { error[E0080]: could not evaluate static initializer --> $SRC_DIR/core/src/slice/raw.rs:LL:COL | -LL | &*ptr::slice_from_raw_parts(data, len) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ dereferencing pointer failed: ALLOC_ID has size 8, so pointer to 8 bytes starting at offset 1 is out-of-bounds + = note: dereferencing pointer failed: ALLOC_ID has size 8, so pointer to 8 bytes starting at offset 1 is out-of-bounds | note: inside `std::slice::from_raw_parts::<'_, u64>` --> $SRC_DIR/core/src/slice/raw.rs:LL:COL - | -LL | &*ptr::slice_from_raw_parts(data, len) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `S8` --> $DIR/forbidden_slices.rs:43:5 | @@ -114,19 +98,12 @@ LL | from_raw_parts(ptr, 1) error[E0080]: could not evaluate static initializer --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | -LL | unsafe { intrinsics::ptr_offset_from_unsigned(self, origin) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds offset_from: null pointer is a dangling pointer (it has no provenance) + = note: out-of-bounds offset_from: null pointer is a dangling pointer (it has no provenance) | note: inside `ptr::const_ptr::<impl *const u32>::sub_ptr` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { intrinsics::ptr_offset_from_unsigned(self, origin) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `from_ptr_range::<'_, u32>` --> $SRC_DIR/core/src/slice/raw.rs:LL:COL - | -LL | unsafe { from_raw_parts(range.start, range.end.sub_ptr(range.start)) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `R0` --> $DIR/forbidden_slices.rs:46:34 | @@ -136,19 +113,12 @@ LL | pub static R0: &[u32] = unsafe { from_ptr_range(ptr::null()..ptr::null()) } error[E0080]: could not evaluate static initializer --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | -LL | assert!(0 < pointee_size && pointee_size <= isize::MAX as usize); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the evaluated program panicked at 'assertion failed: 0 < pointee_size && pointee_size <= isize::MAX as usize', $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL + = note: the evaluated program panicked at 'assertion failed: 0 < pointee_size && pointee_size <= isize::MAX as usize', $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | note: inside `ptr::const_ptr::<impl *const ()>::sub_ptr` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | assert!(0 < pointee_size && pointee_size <= isize::MAX as usize); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `from_ptr_range::<'_, ()>` --> $SRC_DIR/core/src/slice/raw.rs:LL:COL - | -LL | unsafe { from_raw_parts(range.start, range.end.sub_ptr(range.start)) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `R1` --> $DIR/forbidden_slices.rs:47:33 | @@ -159,19 +129,12 @@ LL | pub static R1: &[()] = unsafe { from_ptr_range(ptr::null()..ptr::null()) }; error[E0080]: could not evaluate static initializer --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds pointer arithmetic: ALLOC_ID has size 4, so pointer to 8 bytes starting at offset 0 is out-of-bounds + = note: out-of-bounds pointer arithmetic: ALLOC_ID has size 4, so pointer to 8 bytes starting at offset 0 is out-of-bounds | note: inside `ptr::const_ptr::<impl *const u32>::offset` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `ptr::const_ptr::<impl *const u32>::add` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { self.offset(count as isize) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `R2` --> $DIR/forbidden_slices.rs:50:25 | @@ -226,19 +189,12 @@ LL | pub static R7: &[u16] = unsafe { error[E0080]: could not evaluate static initializer --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds pointer arithmetic: ALLOC_ID has size 8, so pointer to 8 bytes starting at offset 1 is out-of-bounds + = note: out-of-bounds pointer arithmetic: ALLOC_ID has size 8, so pointer to 8 bytes starting at offset 1 is out-of-bounds | note: inside `ptr::const_ptr::<impl *const u64>::offset` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `ptr::const_ptr::<impl *const u64>::add` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { self.offset(count as isize) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `R8` --> $DIR/forbidden_slices.rs:74:25 | @@ -248,19 +204,12 @@ LL | from_ptr_range(ptr..ptr.add(1)) error[E0080]: could not evaluate static initializer --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | -LL | unsafe { intrinsics::ptr_offset_from_unsigned(self, origin) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `ptr_offset_from_unsigned` called on pointers into different allocations + = note: `ptr_offset_from_unsigned` called on pointers into different allocations | note: inside `ptr::const_ptr::<impl *const u32>::sub_ptr` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { intrinsics::ptr_offset_from_unsigned(self, origin) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `from_ptr_range::<'_, u32>` --> $SRC_DIR/core/src/slice/raw.rs:LL:COL - | -LL | unsafe { from_raw_parts(range.start, range.end.sub_ptr(range.start)) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `R9` --> $DIR/forbidden_slices.rs:79:34 | @@ -270,19 +219,12 @@ LL | pub static R9: &[u32] = unsafe { from_ptr_range(&D0..(&D0 as *const u32).ad error[E0080]: could not evaluate static initializer --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | -LL | unsafe { intrinsics::ptr_offset_from_unsigned(self, origin) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `ptr_offset_from_unsigned` called on pointers into different allocations + = note: `ptr_offset_from_unsigned` called on pointers into different allocations | note: inside `ptr::const_ptr::<impl *const u32>::sub_ptr` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { intrinsics::ptr_offset_from_unsigned(self, origin) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `from_ptr_range::<'_, u32>` --> $SRC_DIR/core/src/slice/raw.rs:LL:COL - | -LL | unsafe { from_raw_parts(range.start, range.end.sub_ptr(range.start)) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `R10` --> $DIR/forbidden_slices.rs:80:35 | diff --git a/src/test/ui/const-ptr/out_of_bounds_read.stderr b/src/test/ui/const-ptr/out_of_bounds_read.stderr index bca29b46881..3e7b09a5982 100644 --- a/src/test/ui/const-ptr/out_of_bounds_read.stderr +++ b/src/test/ui/const-ptr/out_of_bounds_read.stderr @@ -1,14 +1,10 @@ error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL | -LL | copy_nonoverlapping(src, tmp.as_mut_ptr(), 1); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: alloc5 has size 4, so pointer to 4 bytes starting at offset 4 is out-of-bounds + = note: memory access failed: alloc5 has size 4, so pointer to 4 bytes starting at offset 4 is out-of-bounds | note: inside `std::ptr::read::<u32>` --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL - | -LL | copy_nonoverlapping(src, tmp.as_mut_ptr(), 1); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `_READ` --> $DIR/out_of_bounds_read.rs:12:33 | @@ -18,19 +14,12 @@ LL | const _READ: u32 = unsafe { ptr::read(PAST_END_PTR) }; error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL | -LL | copy_nonoverlapping(src, tmp.as_mut_ptr(), 1); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: alloc5 has size 4, so pointer to 4 bytes starting at offset 4 is out-of-bounds + = note: memory access failed: alloc5 has size 4, so pointer to 4 bytes starting at offset 4 is out-of-bounds | note: inside `std::ptr::read::<u32>` --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL - | -LL | copy_nonoverlapping(src, tmp.as_mut_ptr(), 1); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `ptr::const_ptr::<impl *const u32>::read` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { read(self) } - | ^^^^^^^^^^ note: inside `_CONST_READ` --> $DIR/out_of_bounds_read.rs:13:39 | @@ -40,19 +29,12 @@ LL | const _CONST_READ: u32 = unsafe { PAST_END_PTR.read() }; error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL | -LL | copy_nonoverlapping(src, tmp.as_mut_ptr(), 1); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: alloc5 has size 4, so pointer to 4 bytes starting at offset 4 is out-of-bounds + = note: memory access failed: alloc5 has size 4, so pointer to 4 bytes starting at offset 4 is out-of-bounds | note: inside `std::ptr::read::<u32>` --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL - | -LL | copy_nonoverlapping(src, tmp.as_mut_ptr(), 1); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `ptr::mut_ptr::<impl *mut u32>::read` --> $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL - | -LL | unsafe { read(self) } - | ^^^^^^^^^^ note: inside `_MUT_READ` --> $DIR/out_of_bounds_read.rs:14:37 | diff --git a/src/test/ui/consts/const-float-bits-reject-conv.stderr b/src/test/ui/consts/const-float-bits-reject-conv.stderr index 195a087ffa5..7ad02252094 100644 --- a/src/test/ui/consts/const-float-bits-reject-conv.stderr +++ b/src/test/ui/consts/const-float-bits-reject-conv.stderr @@ -1,19 +1,12 @@ error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/num/f32.rs:LL:COL | -LL | panic!("const-eval error: cannot use f32::to_bits on a NaN") - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the evaluated program panicked at 'const-eval error: cannot use f32::to_bits on a NaN', $SRC_DIR/core/src/num/f32.rs:LL:COL + = note: the evaluated program panicked at 'const-eval error: cannot use f32::to_bits on a NaN', $SRC_DIR/core/src/num/f32.rs:LL:COL | note: inside `core::f32::<impl f32>::to_bits::ct_f32_to_u32` --> $SRC_DIR/core/src/num/f32.rs:LL:COL - | -LL | panic!("const-eval error: cannot use f32::to_bits on a NaN") - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `core::f32::<impl f32>::to_bits` --> $SRC_DIR/core/src/num/f32.rs:LL:COL - | -LL | unsafe { intrinsics::const_eval_select((self,), ct_f32_to_u32, rt_f32_to_u32) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `f32::MASKED_NAN1` --> $DIR/const-float-bits-reject-conv.rs:28:30 | @@ -24,19 +17,12 @@ LL | const MASKED_NAN1: u32 = f32::NAN.to_bits() ^ 0x002A_AAAA; error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/num/f32.rs:LL:COL | -LL | panic!("const-eval error: cannot use f32::to_bits on a NaN") - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the evaluated program panicked at 'const-eval error: cannot use f32::to_bits on a NaN', $SRC_DIR/core/src/num/f32.rs:LL:COL + = note: the evaluated program panicked at 'const-eval error: cannot use f32::to_bits on a NaN', $SRC_DIR/core/src/num/f32.rs:LL:COL | note: inside `core::f32::<impl f32>::to_bits::ct_f32_to_u32` --> $SRC_DIR/core/src/num/f32.rs:LL:COL - | -LL | panic!("const-eval error: cannot use f32::to_bits on a NaN") - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `core::f32::<impl f32>::to_bits` --> $SRC_DIR/core/src/num/f32.rs:LL:COL - | -LL | unsafe { intrinsics::const_eval_select((self,), ct_f32_to_u32, rt_f32_to_u32) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `f32::MASKED_NAN2` --> $DIR/const-float-bits-reject-conv.rs:30:30 | @@ -71,19 +57,12 @@ LL | const_assert!(f32::from_bits(MASKED_NAN2).to_bits(), MASKED_NAN2); error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/num/f64.rs:LL:COL | -LL | panic!("const-eval error: cannot use f64::to_bits on a NaN") - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the evaluated program panicked at 'const-eval error: cannot use f64::to_bits on a NaN', $SRC_DIR/core/src/num/f64.rs:LL:COL + = note: the evaluated program panicked at 'const-eval error: cannot use f64::to_bits on a NaN', $SRC_DIR/core/src/num/f64.rs:LL:COL | note: inside `core::f64::<impl f64>::to_bits::ct_f64_to_u64` --> $SRC_DIR/core/src/num/f64.rs:LL:COL - | -LL | panic!("const-eval error: cannot use f64::to_bits on a NaN") - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `core::f64::<impl f64>::to_bits` --> $SRC_DIR/core/src/num/f64.rs:LL:COL - | -LL | unsafe { intrinsics::const_eval_select((self,), ct_f64_to_u64, rt_f64_to_u64) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `f64::MASKED_NAN1` --> $DIR/const-float-bits-reject-conv.rs:50:30 | @@ -94,19 +73,12 @@ LL | const MASKED_NAN1: u64 = f64::NAN.to_bits() ^ 0x000A_AAAA_AAAA_AAAA; error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/num/f64.rs:LL:COL | -LL | panic!("const-eval error: cannot use f64::to_bits on a NaN") - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the evaluated program panicked at 'const-eval error: cannot use f64::to_bits on a NaN', $SRC_DIR/core/src/num/f64.rs:LL:COL + = note: the evaluated program panicked at 'const-eval error: cannot use f64::to_bits on a NaN', $SRC_DIR/core/src/num/f64.rs:LL:COL | note: inside `core::f64::<impl f64>::to_bits::ct_f64_to_u64` --> $SRC_DIR/core/src/num/f64.rs:LL:COL - | -LL | panic!("const-eval error: cannot use f64::to_bits on a NaN") - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `core::f64::<impl f64>::to_bits` --> $SRC_DIR/core/src/num/f64.rs:LL:COL - | -LL | unsafe { intrinsics::const_eval_select((self,), ct_f64_to_u64, rt_f64_to_u64) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `f64::MASKED_NAN2` --> $DIR/const-float-bits-reject-conv.rs:52:30 | diff --git a/src/test/ui/consts/const-fn-error.stderr b/src/test/ui/consts/const-fn-error.stderr index 02960b363e7..f6b532fb658 100644 --- a/src/test/ui/consts/const-fn-error.stderr +++ b/src/test/ui/consts/const-fn-error.stderr @@ -21,9 +21,6 @@ LL | for i in 0..x { | note: impl defined here, but it is not `const` --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL - | -LL | impl<I: Iterator> const IntoIterator for I { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants error[E0658]: mutable references are not allowed in constant functions diff --git a/src/test/ui/consts/const-for.stderr b/src/test/ui/consts/const-for.stderr index 11e4ae309c0..294ea627d85 100644 --- a/src/test/ui/consts/const-for.stderr +++ b/src/test/ui/consts/const-for.stderr @@ -6,9 +6,6 @@ LL | for _ in 0..5 {} | note: impl defined here, but it is not `const` --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL - | -LL | impl<I: Iterator> const IntoIterator for I { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: calls in constants are limited to constant functions, tuple structs and tuple variants error[E0015]: cannot call non-const fn `<std::ops::Range<i32> as Iterator>::next` in constants diff --git a/src/test/ui/consts/const_unsafe_unreachable_ub.stderr b/src/test/ui/consts/const_unsafe_unreachable_ub.stderr index cbc7cac937a..593a51bfe8f 100644 --- a/src/test/ui/consts/const_unsafe_unreachable_ub.stderr +++ b/src/test/ui/consts/const_unsafe_unreachable_ub.stderr @@ -1,14 +1,10 @@ error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/hint.rs:LL:COL | -LL | intrinsics::unreachable() - | ^^^^^^^^^^^^^^^^^^^^^^^^^ entering unreachable code + = note: entering unreachable code | note: inside `unreachable_unchecked` --> $SRC_DIR/core/src/hint.rs:LL:COL - | -LL | intrinsics::unreachable() - | ^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `foo` --> $DIR/const_unsafe_unreachable_ub.rs:6:18 | diff --git a/src/test/ui/consts/extra-const-ub/detect-extra-ub.with_flag.stderr b/src/test/ui/consts/extra-const-ub/detect-extra-ub.with_flag.stderr index 2603a73583e..51eec783365 100644 --- a/src/test/ui/consts/extra-const-ub/detect-extra-ub.with_flag.stderr +++ b/src/test/ui/consts/extra-const-ub/detect-extra-ub.with_flag.stderr @@ -31,19 +31,12 @@ LL | let _x: &u32 = transmute(&[0u8; 4]); error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL | -LL | copy_nonoverlapping(src, tmp.as_mut_ptr(), 1); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ accessing memory with alignment 1, but alignment 4 is required + = note: accessing memory with alignment 1, but alignment 4 is required | note: inside `std::ptr::read::<u32>` --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL - | -LL | copy_nonoverlapping(src, tmp.as_mut_ptr(), 1); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `ptr::const_ptr::<impl *const u32>::read` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { read(self) } - | ^^^^^^^^^^ note: inside `INNER` --> $DIR/detect-extra-ub.rs:38:9 | diff --git a/src/test/ui/consts/issue-miri-1910.stderr b/src/test/ui/consts/issue-miri-1910.stderr index 1f82e1777af..61865b1dad7 100644 --- a/src/test/ui/consts/issue-miri-1910.stderr +++ b/src/test/ui/consts/issue-miri-1910.stderr @@ -1,21 +1,14 @@ error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL | -LL | copy_nonoverlapping(src, tmp.as_mut_ptr(), 1); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to copy parts of a pointer from memory at ALLOC + = note: unable to copy parts of a pointer from memory at ALLOC | = help: this code performed an operation that depends on the underlying bytes representing a pointer = help: the absolute address of a pointer is not known at compile-time, so such operations are not supported note: inside `std::ptr::read::<u8>` --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL - | -LL | copy_nonoverlapping(src, tmp.as_mut_ptr(), 1); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `ptr::const_ptr::<impl *const u8>::read` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { read(self) } - | ^^^^^^^^^^ note: inside `C` --> $DIR/issue-miri-1910.rs:8:5 | diff --git a/src/test/ui/consts/miri_unleashed/assoc_const.stderr b/src/test/ui/consts/miri_unleashed/assoc_const.stderr index b26f121dba0..e1da43c3aea 100644 --- a/src/test/ui/consts/miri_unleashed/assoc_const.stderr +++ b/src/test/ui/consts/miri_unleashed/assoc_const.stderr @@ -1,19 +1,12 @@ error[E0080]: evaluation of `<std::string::String as Bar<std::vec::Vec<u32>, std::string::String>>::F` failed --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL | -LL | pub unsafe fn drop_in_place<T: ?Sized>(to_drop: *mut T) { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ calling non-const function `<Vec<u32> as Drop>::drop` + = note: calling non-const function `<Vec<u32> as Drop>::drop` | note: inside `std::ptr::drop_in_place::<Vec<u32>> - shim(Some(Vec<u32>))` --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL - | -LL | pub unsafe fn drop_in_place<T: ?Sized>(to_drop: *mut T) { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `std::ptr::drop_in_place::<(Vec<u32>, u32)> - shim(Some((Vec<u32>, u32)))` --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL - | -LL | pub unsafe fn drop_in_place<T: ?Sized>(to_drop: *mut T) { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `<String as Bar<Vec<u32>, String>>::F` --> $DIR/assoc_const.rs:12:31 | diff --git a/src/test/ui/consts/miri_unleashed/drop.stderr b/src/test/ui/consts/miri_unleashed/drop.stderr index e2e2f16d5a0..4f60b882069 100644 --- a/src/test/ui/consts/miri_unleashed/drop.stderr +++ b/src/test/ui/consts/miri_unleashed/drop.stderr @@ -1,14 +1,10 @@ error[E0080]: could not evaluate static initializer --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL | -LL | pub unsafe fn drop_in_place<T: ?Sized>(to_drop: *mut T) { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ calling non-const function `<Vec<i32> as Drop>::drop` + = note: calling non-const function `<Vec<i32> as Drop>::drop` | note: inside `std::ptr::drop_in_place::<Vec<i32>> - shim(Some(Vec<i32>))` --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL - | -LL | pub unsafe fn drop_in_place<T: ?Sized>(to_drop: *mut T) { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `TEST_BAD` --> $DIR/drop.rs:17:1 | diff --git a/src/test/ui/consts/missing_span_in_backtrace.rs b/src/test/ui/consts/missing_span_in_backtrace.rs index c4930b73aaa..dd2b81c5af2 100644 --- a/src/test/ui/consts/missing_span_in_backtrace.rs +++ b/src/test/ui/consts/missing_span_in_backtrace.rs @@ -1,4 +1,4 @@ -// compile-flags: -Z simulate-remapped-rust-src-base=/rustc/FAKE_PREFIX -Z translate-remapped-path-to-local-path=no -Z ui-testing=no +// compile-flags: -Z ui-testing=no // normalize-stderr-test "alloc[0-9]+" -> "ALLOC_ID" #![feature(const_swap)] diff --git a/src/test/ui/consts/offset_from_ub.stderr b/src/test/ui/consts/offset_from_ub.stderr index 9578d90ea9d..fff4729689f 100644 --- a/src/test/ui/consts/offset_from_ub.stderr +++ b/src/test/ui/consts/offset_from_ub.stderr @@ -7,14 +7,10 @@ LL | let offset = unsafe { ptr_offset_from(field_ptr, base_ptr) }; error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | -LL | unsafe { intrinsics::ptr_offset_from(self, origin) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `ptr_offset_from` called on pointers into different allocations + = note: `ptr_offset_from` called on pointers into different allocations | note: inside `ptr::const_ptr::<impl *const u8>::offset_from` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { intrinsics::ptr_offset_from(self, origin) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `NOT_PTR` --> $DIR/offset_from_ub.rs:24:14 | @@ -90,14 +86,10 @@ LL | unsafe { ptr_offset_from_unsigned(ptr2, ptr1) } error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | -LL | unsafe { intrinsics::ptr_offset_from(self, origin) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds offset_from: null pointer is a dangling pointer (it has no provenance) + = note: out-of-bounds offset_from: null pointer is a dangling pointer (it has no provenance) | note: inside `ptr::const_ptr::<impl *const u8>::offset_from` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { intrinsics::ptr_offset_from(self, origin) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `OFFSET_VERY_FAR1` --> $DIR/offset_from_ub.rs:115:14 | @@ -107,14 +99,10 @@ LL | unsafe { ptr2.offset_from(ptr1) } error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | -LL | unsafe { intrinsics::ptr_offset_from(self, origin) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds offset_from: null pointer is a dangling pointer (it has no provenance) + = note: out-of-bounds offset_from: null pointer is a dangling pointer (it has no provenance) | note: inside `ptr::const_ptr::<impl *const u8>::offset_from` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { intrinsics::ptr_offset_from(self, origin) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `OFFSET_VERY_FAR2` --> $DIR/offset_from_ub.rs:121:14 | diff --git a/src/test/ui/consts/offset_ub.stderr b/src/test/ui/consts/offset_ub.stderr index 7938f70a269..c0c851df507 100644 --- a/src/test/ui/consts/offset_ub.stderr +++ b/src/test/ui/consts/offset_ub.stderr @@ -1,14 +1,10 @@ error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overflowing in-bounds pointer arithmetic + = note: overflowing in-bounds pointer arithmetic | note: inside `ptr::const_ptr::<impl *const u8>::offset` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `BEFORE_START` --> $DIR/offset_ub.rs:7:46 | @@ -18,14 +14,10 @@ LL | pub const BEFORE_START: *const u8 = unsafe { (&0u8 as *const u8).offset(-1) error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds pointer arithmetic: allocN has size 1, so pointer to 2 bytes starting at offset 0 is out-of-bounds + = note: out-of-bounds pointer arithmetic: allocN has size 1, so pointer to 2 bytes starting at offset 0 is out-of-bounds | note: inside `ptr::const_ptr::<impl *const u8>::offset` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `AFTER_END` --> $DIR/offset_ub.rs:8:43 | @@ -35,14 +27,10 @@ LL | pub const AFTER_END: *const u8 = unsafe { (&0u8 as *const u8).offset(2) }; error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds pointer arithmetic: allocN has size 100, so pointer to 101 bytes starting at offset 0 is out-of-bounds + = note: out-of-bounds pointer arithmetic: allocN has size 100, so pointer to 101 bytes starting at offset 0 is out-of-bounds | note: inside `ptr::const_ptr::<impl *const u8>::offset` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `AFTER_ARRAY` --> $DIR/offset_ub.rs:9:45 | @@ -52,14 +40,10 @@ LL | pub const AFTER_ARRAY: *const u8 = unsafe { [0u8; 100].as_ptr().offset(101) error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overflowing in-bounds pointer arithmetic + = note: overflowing in-bounds pointer arithmetic | note: inside `ptr::const_ptr::<impl *const u16>::offset` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `OVERFLOW` --> $DIR/offset_ub.rs:11:43 | @@ -69,14 +53,10 @@ LL | pub const OVERFLOW: *const u16 = unsafe { [0u16; 1].as_ptr().offset(isize:: error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overflowing in-bounds pointer arithmetic + = note: overflowing in-bounds pointer arithmetic | note: inside `ptr::const_ptr::<impl *const u16>::offset` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `UNDERFLOW` --> $DIR/offset_ub.rs:12:44 | @@ -86,14 +66,10 @@ LL | pub const UNDERFLOW: *const u16 = unsafe { [0u16; 1].as_ptr().offset(isize: error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overflowing in-bounds pointer arithmetic + = note: overflowing in-bounds pointer arithmetic | note: inside `ptr::const_ptr::<impl *const u8>::offset` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `OVERFLOW_ADDRESS_SPACE` --> $DIR/offset_ub.rs:13:56 | @@ -103,14 +79,10 @@ LL | pub const OVERFLOW_ADDRESS_SPACE: *const u8 = unsafe { (usize::MAX as *cons error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overflowing in-bounds pointer arithmetic + = note: overflowing in-bounds pointer arithmetic | note: inside `ptr::const_ptr::<impl *const u8>::offset` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `UNDERFLOW_ADDRESS_SPACE` --> $DIR/offset_ub.rs:14:57 | @@ -120,14 +92,10 @@ LL | pub const UNDERFLOW_ADDRESS_SPACE: *const u8 = unsafe { (1 as *const u8).of error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds pointer arithmetic: allocN has size 1, so pointer to 2 bytes starting at offset -4 is out-of-bounds + = note: out-of-bounds pointer arithmetic: allocN has size 1, so pointer to 2 bytes starting at offset -4 is out-of-bounds | note: inside `ptr::const_ptr::<impl *const u8>::offset` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `NEGATIVE_OFFSET` --> $DIR/offset_ub.rs:15:49 | @@ -137,14 +105,10 @@ LL | pub const NEGATIVE_OFFSET: *const u8 = unsafe { [0u8; 1].as_ptr().wrapping_ error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds pointer arithmetic: allocN has size 0, so pointer to 1 byte starting at offset 0 is out-of-bounds + = note: out-of-bounds pointer arithmetic: allocN has size 0, so pointer to 1 byte starting at offset 0 is out-of-bounds | note: inside `ptr::const_ptr::<impl *const u8>::offset` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `ZERO_SIZED_ALLOC` --> $DIR/offset_ub.rs:17:50 | @@ -154,14 +118,10 @@ LL | pub const ZERO_SIZED_ALLOC: *const u8 = unsafe { [0u8; 0].as_ptr().offset(1 error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL | -LL | unsafe { intrinsics::offset(self, count) as *mut T } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds pointer arithmetic: 0x1[noalloc] is a dangling pointer (it has no provenance) + = note: out-of-bounds pointer arithmetic: 0x1[noalloc] is a dangling pointer (it has no provenance) | note: inside `ptr::mut_ptr::<impl *mut u8>::offset` --> $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL - | -LL | unsafe { intrinsics::offset(self, count) as *mut T } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `DANGLING` --> $DIR/offset_ub.rs:18:42 | @@ -171,14 +131,10 @@ LL | pub const DANGLING: *const u8 = unsafe { ptr::NonNull::<u8>::dangling().as_ error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds pointer arithmetic: null pointer is a dangling pointer (it has no provenance) + = note: out-of-bounds pointer arithmetic: null pointer is a dangling pointer (it has no provenance) | note: inside `ptr::const_ptr::<impl *const u8>::offset` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `NULL_OFFSET_ZERO` --> $DIR/offset_ub.rs:21:50 | @@ -188,14 +144,10 @@ LL | pub const NULL_OFFSET_ZERO: *const u8 = unsafe { ptr::null::<u8>().offset(0 error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds pointer arithmetic: 0x7f..f[noalloc] is a dangling pointer (it has no provenance) + = note: out-of-bounds pointer arithmetic: 0x7f..f[noalloc] is a dangling pointer (it has no provenance) | note: inside `ptr::const_ptr::<impl *const u8>::offset` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `UNDERFLOW_ABS` --> $DIR/offset_ub.rs:24:47 | diff --git a/src/test/ui/consts/ptr_comparisons.stderr b/src/test/ui/consts/ptr_comparisons.stderr index 274753ef1bc..fea924d12e5 100644 --- a/src/test/ui/consts/ptr_comparisons.stderr +++ b/src/test/ui/consts/ptr_comparisons.stderr @@ -1,14 +1,10 @@ error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds pointer arithmetic: alloc3 has size $WORD, so pointer to $TWO_WORDS bytes starting at offset 0 is out-of-bounds + = note: out-of-bounds pointer arithmetic: alloc3 has size $WORD, so pointer to $TWO_WORDS bytes starting at offset 0 is out-of-bounds | note: inside `ptr::const_ptr::<impl *const usize>::offset` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | -LL | unsafe { intrinsics::offset(self, count) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `_` --> $DIR/ptr_comparisons.rs:50:34 | diff --git a/src/test/ui/derives/derives-span-Eq-enum-struct-variant.stderr b/src/test/ui/derives/derives-span-Eq-enum-struct-variant.stderr index e3fb234b96e..2be69a30b1c 100644 --- a/src/test/ui/derives/derives-span-Eq-enum-struct-variant.stderr +++ b/src/test/ui/derives/derives-span-Eq-enum-struct-variant.stderr @@ -9,9 +9,6 @@ LL | x: Error | note: required by a bound in `AssertParamIsEq` --> $SRC_DIR/core/src/cmp.rs:LL:COL - | -LL | pub struct AssertParamIsEq<T: Eq + ?Sized> { - | ^^ required by this bound in `AssertParamIsEq` = note: this error originates in the derive macro `Eq` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(Eq)]` | diff --git a/src/test/ui/derives/derives-span-Eq-enum.stderr b/src/test/ui/derives/derives-span-Eq-enum.stderr index 4e10c3f69e7..4f4f821cca3 100644 --- a/src/test/ui/derives/derives-span-Eq-enum.stderr +++ b/src/test/ui/derives/derives-span-Eq-enum.stderr @@ -9,9 +9,6 @@ LL | Error | note: required by a bound in `AssertParamIsEq` --> $SRC_DIR/core/src/cmp.rs:LL:COL - | -LL | pub struct AssertParamIsEq<T: Eq + ?Sized> { - | ^^ required by this bound in `AssertParamIsEq` = note: this error originates in the derive macro `Eq` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(Eq)]` | diff --git a/src/test/ui/derives/derives-span-Eq-struct.stderr b/src/test/ui/derives/derives-span-Eq-struct.stderr index bfdab052a2e..f15659c3e16 100644 --- a/src/test/ui/derives/derives-span-Eq-struct.stderr +++ b/src/test/ui/derives/derives-span-Eq-struct.stderr @@ -9,9 +9,6 @@ LL | x: Error | note: required by a bound in `AssertParamIsEq` --> $SRC_DIR/core/src/cmp.rs:LL:COL - | -LL | pub struct AssertParamIsEq<T: Eq + ?Sized> { - | ^^ required by this bound in `AssertParamIsEq` = note: this error originates in the derive macro `Eq` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(Eq)]` | diff --git a/src/test/ui/derives/derives-span-Eq-tuple-struct.stderr b/src/test/ui/derives/derives-span-Eq-tuple-struct.stderr index 26b8be34333..4e5659b35f4 100644 --- a/src/test/ui/derives/derives-span-Eq-tuple-struct.stderr +++ b/src/test/ui/derives/derives-span-Eq-tuple-struct.stderr @@ -9,9 +9,6 @@ LL | Error | note: required by a bound in `AssertParamIsEq` --> $SRC_DIR/core/src/cmp.rs:LL:COL - | -LL | pub struct AssertParamIsEq<T: Eq + ?Sized> { - | ^^ required by this bound in `AssertParamIsEq` = note: this error originates in the derive macro `Eq` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(Eq)]` | diff --git a/src/test/ui/derives/deriving-meta-unknown-trait.stderr b/src/test/ui/derives/deriving-meta-unknown-trait.stderr index f3ff95a85da..053d34f6825 100644 --- a/src/test/ui/derives/deriving-meta-unknown-trait.stderr +++ b/src/test/ui/derives/deriving-meta-unknown-trait.stderr @@ -3,22 +3,18 @@ error: cannot find derive macro `Eqr` in this scope | LL | #[derive(Eqr)] | ^^^ help: a derive macro with a similar name exists: `Eq` + --> $SRC_DIR/core/src/cmp.rs:LL:COL | - ::: $SRC_DIR/core/src/cmp.rs:LL:COL - | -LL | pub macro Eq($item:item) { - | ------------ similarly named derive macro `Eq` defined here + = note: similarly named derive macro `Eq` defined here error: cannot find derive macro `Eqr` in this scope --> $DIR/deriving-meta-unknown-trait.rs:1:10 | LL | #[derive(Eqr)] | ^^^ help: a derive macro with a similar name exists: `Eq` + --> $SRC_DIR/core/src/cmp.rs:LL:COL | - ::: $SRC_DIR/core/src/cmp.rs:LL:COL - | -LL | pub macro Eq($item:item) { - | ------------ similarly named derive macro `Eq` defined here + = note: similarly named derive macro `Eq` defined here error: aborting due to 2 previous errors diff --git a/src/test/ui/deriving/issue-103157.stderr b/src/test/ui/deriving/issue-103157.stderr index ee3528fe106..b18e1e5098b 100644 --- a/src/test/ui/deriving/issue-103157.stderr +++ b/src/test/ui/deriving/issue-103157.stderr @@ -20,9 +20,6 @@ LL | Float(Option<f64>), = note: required for `Option<f64>` to implement `Eq` note: required by a bound in `AssertParamIsEq` --> $SRC_DIR/core/src/cmp.rs:LL:COL - | -LL | pub struct AssertParamIsEq<T: Eq + ?Sized> { - | ^^ required by this bound in `AssertParamIsEq` = note: this error originates in the derive macro `Eq` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to previous error diff --git a/src/test/ui/destructuring-assignment/note-unsupported.stderr b/src/test/ui/destructuring-assignment/note-unsupported.stderr index e45344aa51f..8a88332b73e 100644 --- a/src/test/ui/destructuring-assignment/note-unsupported.stderr +++ b/src/test/ui/destructuring-assignment/note-unsupported.stderr @@ -49,11 +49,8 @@ note: an implementation of `AddAssign<_>` might be missing for `S` | LL | struct S { x: u8, y: u8 } | ^^^^^^^^ must implement `AddAssign<_>` -note: the following trait must be implemented +note: the trait `AddAssign` must be implemented --> $SRC_DIR/core/src/ops/arith.rs:LL:COL - | -LL | pub trait AddAssign<Rhs = Self> { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0067]: invalid left-hand side of assignment --> $DIR/note-unsupported.rs:17:22 diff --git a/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-let.fixed b/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-let.fixed new file mode 100644 index 00000000000..ae0a84eea4d --- /dev/null +++ b/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-let.fixed @@ -0,0 +1,21 @@ +// run-rustfix +struct X { + x: String, +} + +impl Drop for X { + fn drop(&mut self) { + println!("value: {}", self.x); + } +} + +fn unwrap(x: X) -> String { + let X { x: ref y } = x; //~ ERROR cannot move out of type + y.to_string() +} + +fn main() { + let x = X { x: "hello".to_string() }; + let y = unwrap(x); + println!("contents: {}", y); +} diff --git a/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-let.rs b/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-let.rs index 8e394498a23..c8db7861068 100644 --- a/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-let.rs +++ b/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-let.rs @@ -1,3 +1,4 @@ +// run-rustfix struct X { x: String, } @@ -10,7 +11,7 @@ impl Drop for X { fn unwrap(x: X) -> String { let X { x: y } = x; //~ ERROR cannot move out of type - y + y.to_string() } fn main() { diff --git a/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-let.stderr b/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-let.stderr index cda81d13669..596ad4bf784 100644 --- a/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-let.stderr +++ b/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-let.stderr @@ -1,11 +1,16 @@ error[E0509]: cannot move out of type `X`, which implements the `Drop` trait - --> $DIR/disallowed-deconstructing-destructing-struct-let.rs:12:22 + --> $DIR/disallowed-deconstructing-destructing-struct-let.rs:13:22 | LL | let X { x: y } = x; | - ^ cannot move out of here | | | data moved here | move occurs because `y` has type `String`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | let X { x: ref y } = x; + | +++ error: aborting due to previous error diff --git a/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-match.fixed b/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-match.fixed new file mode 100644 index 00000000000..c8a451efeb2 --- /dev/null +++ b/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-match.fixed @@ -0,0 +1,19 @@ +// run-rustfix +struct X { + x: String, +} + +impl Drop for X { + fn drop(&mut self) { + println!("value: {}", self.x); + } +} + +fn main() { + let x = X { x: "hello".to_string() }; + + match x { + //~^ ERROR cannot move out of type `X`, which implements the `Drop` trait + X { x: ref y } => println!("contents: {}", y) + } +} diff --git a/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-match.rs b/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-match.rs index 9c996a93b95..815567ffec3 100644 --- a/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-match.rs +++ b/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-match.rs @@ -1,3 +1,4 @@ +// run-rustfix struct X { x: String, } diff --git a/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-match.stderr b/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-match.stderr index 70cdd6446c8..e32a4dd4411 100644 --- a/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-match.stderr +++ b/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-match.stderr @@ -1,5 +1,5 @@ error[E0509]: cannot move out of type `X`, which implements the `Drop` trait - --> $DIR/disallowed-deconstructing-destructing-struct-match.rs:14:11 + --> $DIR/disallowed-deconstructing-destructing-struct-match.rs:15:11 | LL | match x { | ^ cannot move out of here @@ -9,6 +9,11 @@ LL | X { x: y } => println!("contents: {}", y) | | | data moved here | move occurs because `y` has type `String`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | X { x: ref y } => println!("contents: {}", y) + | +++ error: aborting due to previous error diff --git a/src/test/ui/dst/dst-rvalue.stderr b/src/test/ui/dst/dst-rvalue.stderr index 727f4d84303..8d0a82b707d 100644 --- a/src/test/ui/dst/dst-rvalue.stderr +++ b/src/test/ui/dst/dst-rvalue.stderr @@ -9,9 +9,6 @@ LL | let _x: Box<str> = Box::new(*"hello world"); = help: the trait `Sized` is not implemented for `str` note: required by a bound in `Box::<T>::new` --> $SRC_DIR/alloc/src/boxed.rs:LL:COL - | -LL | impl<T> Box<T> { - | ^ required by this bound in `Box::<T>::new` error[E0277]: the size for values of type `[isize]` cannot be known at compilation time --> $DIR/dst-rvalue.rs:8:37 @@ -24,9 +21,6 @@ LL | let _x: Box<[isize]> = Box::new(*array); = help: the trait `Sized` is not implemented for `[isize]` note: required by a bound in `Box::<T>::new` --> $SRC_DIR/alloc/src/boxed.rs:LL:COL - | -LL | impl<T> Box<T> { - | ^ required by this bound in `Box::<T>::new` error: aborting due to 2 previous errors diff --git a/src/test/ui/error-codes/E0004-2.stderr b/src/test/ui/error-codes/E0004-2.stderr index 6f5bb4309c3..e829bac196f 100644 --- a/src/test/ui/error-codes/E0004-2.stderr +++ b/src/test/ui/error-codes/E0004-2.stderr @@ -6,15 +6,12 @@ LL | match x { } | note: `Option<i32>` defined here --> $SRC_DIR/core/src/option.rs:LL:COL + ::: $SRC_DIR/core/src/option.rs:LL:COL | -LL | pub enum Option<T> { - | ------------------ -... -LL | None, - | ^^^^ not covered -... -LL | Some(#[stable(feature = "rust1", since = "1.0.0")] T), - | ^^^^ not covered + = note: not covered + ::: $SRC_DIR/core/src/option.rs:LL:COL + | + = note: not covered = note: the matched value is of type `Option<i32>` help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern, a match arm with multiple or-patterns as shown, or multiple match arms | diff --git a/src/test/ui/error-codes/E0005.stderr b/src/test/ui/error-codes/E0005.stderr index de8e6bac486..0f179259356 100644 --- a/src/test/ui/error-codes/E0005.stderr +++ b/src/test/ui/error-codes/E0005.stderr @@ -8,12 +8,9 @@ LL | let Some(y) = x; = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html note: `Option<i32>` defined here --> $SRC_DIR/core/src/option.rs:LL:COL + ::: $SRC_DIR/core/src/option.rs:LL:COL | -LL | pub enum Option<T> { - | ------------------ -... -LL | None, - | ^^^^ not covered + = note: not covered = note: the matched value is of type `Option<i32>` help: you might want to use `if let` to ignore the variant that isn't matched | diff --git a/src/test/ui/error-codes/E0059.stderr b/src/test/ui/error-codes/E0059.stderr index f331d014226..4f6abb22ab2 100644 --- a/src/test/ui/error-codes/E0059.stderr +++ b/src/test/ui/error-codes/E0059.stderr @@ -6,9 +6,6 @@ LL | fn foo<F: Fn<i32>>(f: F) -> F::Output { f(3) } | note: required by a bound in `Fn` --> $SRC_DIR/core/src/ops/function.rs:LL:COL - | -LL | pub trait Fn<Args: Tuple>: FnMut<Args> { - | ^^^^^ required by this bound in `Fn` error: aborting due to previous error diff --git a/src/test/ui/error-codes/E0297.stderr b/src/test/ui/error-codes/E0297.stderr index 693b079238d..903422f3b9b 100644 --- a/src/test/ui/error-codes/E0297.stderr +++ b/src/test/ui/error-codes/E0297.stderr @@ -6,12 +6,9 @@ LL | for Some(x) in xs {} | note: `Option<i32>` defined here --> $SRC_DIR/core/src/option.rs:LL:COL + ::: $SRC_DIR/core/src/option.rs:LL:COL | -LL | pub enum Option<T> { - | ------------------ -... -LL | None, - | ^^^^ not covered + = note: not covered = note: the matched value is of type `Option<i32>` error: aborting due to previous error diff --git a/src/test/ui/error-codes/E0507.stderr b/src/test/ui/error-codes/E0507.stderr index ce8d1ef0349..03630f38987 100644 --- a/src/test/ui/error-codes/E0507.stderr +++ b/src/test/ui/error-codes/E0507.stderr @@ -7,7 +7,7 @@ LL | x.borrow().nothing_is_true(); | | value moved due to this method call | move occurs because value has type `TheDarkKnight`, which does not implement the `Copy` trait | -note: this function takes ownership of the receiver `self`, which moves value +note: `TheDarkKnight::nothing_is_true` takes ownership of the receiver `self`, which moves value --> $DIR/E0507.rs:6:24 | LL | fn nothing_is_true(self) {} diff --git a/src/test/ui/error-codes/E0508-fail.stderr b/src/test/ui/error-codes/E0508-fail.stderr index b69d7743b6c..208ba30729f 100644 --- a/src/test/ui/error-codes/E0508-fail.stderr +++ b/src/test/ui/error-codes/E0508-fail.stderr @@ -6,7 +6,11 @@ LL | let _value = array[0]; | | | cannot move out of here | move occurs because `array[_]` has type `NonCopy`, which does not implement the `Copy` trait - | help: consider borrowing here: `&array[0]` + | +help: consider borrowing here + | +LL | let _value = &array[0]; + | + error: aborting due to previous error diff --git a/src/test/ui/error-codes/E0508.stderr b/src/test/ui/error-codes/E0508.stderr index 5e7b56dcd37..df2d3b0d311 100644 --- a/src/test/ui/error-codes/E0508.stderr +++ b/src/test/ui/error-codes/E0508.stderr @@ -6,7 +6,11 @@ LL | let _value = array[0]; | | | cannot move out of here | move occurs because `array[_]` has type `NonCopy`, which does not implement the `Copy` trait - | help: consider borrowing here: `&array[0]` + | +help: consider borrowing here + | +LL | let _value = &array[0]; + | + error: aborting due to previous error diff --git a/src/test/ui/error-codes/E0509.stderr b/src/test/ui/error-codes/E0509.stderr index cbfbc3ccf6a..c00d9142e75 100644 --- a/src/test/ui/error-codes/E0509.stderr +++ b/src/test/ui/error-codes/E0509.stderr @@ -6,7 +6,11 @@ LL | let fancy_field = drop_struct.fancy; | | | cannot move out of here | move occurs because `drop_struct.fancy` has type `FancyNum`, which does not implement the `Copy` trait - | help: consider borrowing here: `&drop_struct.fancy` + | +help: consider borrowing here + | +LL | let fancy_field = &drop_struct.fancy; + | + error: aborting due to previous error diff --git a/src/test/ui/error-festival.stderr b/src/test/ui/error-festival.stderr index 43122c13efb..fe9956b70bd 100644 --- a/src/test/ui/error-festival.stderr +++ b/src/test/ui/error-festival.stderr @@ -41,11 +41,8 @@ note: an implementation of `Not` might be missing for `Question` | LL | enum Question { | ^^^^^^^^^^^^^ must implement `Not` -note: the following trait must be implemented +note: the trait `Not` must be implemented --> $SRC_DIR/core/src/ops/bit.rs:LL:COL - | -LL | pub trait Not { - | ^^^^^^^^^^^^^ error[E0604]: only `u8` can be cast as `char`, not `u32` --> $DIR/error-festival.rs:25:5 diff --git a/src/test/ui/expr/malformed_closure/ruby_style_closure.stderr b/src/test/ui/expr/malformed_closure/ruby_style_closure.stderr index c7ed8e0de38..2f9d10d70a2 100644 --- a/src/test/ui/expr/malformed_closure/ruby_style_closure.stderr +++ b/src/test/ui/expr/malformed_closure/ruby_style_closure.stderr @@ -22,9 +22,6 @@ LL | | }); = help: the trait `FnOnce<({integer},)>` is not implemented for `Option<_>` note: required by a bound in `Option::<T>::and_then` --> $SRC_DIR/core/src/option.rs:LL:COL - | -LL | F: ~const FnOnce(T) -> Option<U>, - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Option::<T>::and_then` error: aborting due to 2 previous errors diff --git a/src/test/ui/feature-gates/feature-gate-exhaustive-patterns.stderr b/src/test/ui/feature-gates/feature-gate-exhaustive-patterns.stderr index 5ced344f13f..e253e4791e8 100644 --- a/src/test/ui/feature-gates/feature-gate-exhaustive-patterns.stderr +++ b/src/test/ui/feature-gates/feature-gate-exhaustive-patterns.stderr @@ -8,12 +8,9 @@ LL | let Ok(_x) = foo(); = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html note: `Result<u32, !>` defined here --> $SRC_DIR/core/src/result.rs:LL:COL + ::: $SRC_DIR/core/src/result.rs:LL:COL | -LL | pub enum Result<T, E> { - | --------------------- -... -LL | Err(#[stable(feature = "rust1", since = "1.0.0")] E), - | ^^^ not covered + = note: not covered = note: the matched value is of type `Result<u32, !>` help: you might want to use `if let` to ignore the variant that isn't matched | diff --git a/src/test/ui/fmt/ifmt-bad-arg.stderr b/src/test/ui/fmt/ifmt-bad-arg.stderr index 1b595a50e99..a8a2a47fe46 100644 --- a/src/test/ui/fmt/ifmt-bad-arg.stderr +++ b/src/test/ui/fmt/ifmt-bad-arg.stderr @@ -309,9 +309,6 @@ LL | println!("{} {:.*} {}", 1, 3.2, 4); found reference `&{float}` note: associated function defined here --> $SRC_DIR/core/src/fmt/mod.rs:LL:COL - | -LL | pub fn from_usize(x: &usize) -> ArgumentV1<'_> { - | ^^^^^^^^^^ = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0308]: mismatched types @@ -327,9 +324,6 @@ LL | println!("{} {:07$.*} {}", 1, 3.2, 4); found reference `&{float}` note: associated function defined here --> $SRC_DIR/core/src/fmt/mod.rs:LL:COL - | -LL | pub fn from_usize(x: &usize) -> ArgumentV1<'_> { - | ^^^^^^^^^^ = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 38 previous errors diff --git a/src/test/ui/fmt/ifmt-unimpl.stderr b/src/test/ui/fmt/ifmt-unimpl.stderr index 0e34f913511..be321c3c5c0 100644 --- a/src/test/ui/fmt/ifmt-unimpl.stderr +++ b/src/test/ui/fmt/ifmt-unimpl.stderr @@ -17,9 +17,6 @@ LL | format!("{:X}", "3"); = note: required for `&str` to implement `UpperHex` note: required by a bound in `ArgumentV1::<'a>::new_upper_hex` --> $SRC_DIR/core/src/fmt/mod.rs:LL:COL - | -LL | arg_new!(new_upper_hex, UpperHex); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `ArgumentV1::<'a>::new_upper_hex` = note: this error originates in the macro `$crate::__export::format_args` which comes from the expansion of the macro `arg_new` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to previous error diff --git a/src/test/ui/generator/issue-102645.stderr b/src/test/ui/generator/issue-102645.stderr index 7b4d5021325..afb39c9e594 100644 --- a/src/test/ui/generator/issue-102645.stderr +++ b/src/test/ui/generator/issue-102645.stderr @@ -6,9 +6,6 @@ LL | Pin::new(&mut b).resume(); | note: associated function defined here --> $SRC_DIR/core/src/ops/generator.rs:LL:COL - | -LL | fn resume(self: Pin<&mut Self>, arg: R) -> GeneratorState<Self::Yield, Self::Return>; - | ^^^^^^ help: provide the argument | LL | Pin::new(&mut b).resume(()); diff --git a/src/test/ui/generator/sized-yield.stderr b/src/test/ui/generator/sized-yield.stderr index ea2a48d13ce..fb34540d969 100644 --- a/src/test/ui/generator/sized-yield.stderr +++ b/src/test/ui/generator/sized-yield.stderr @@ -20,9 +20,6 @@ LL | Pin::new(&mut gen).resume(()); = help: the trait `Sized` is not implemented for `str` note: required by a bound in `GeneratorState` --> $SRC_DIR/core/src/ops/generator.rs:LL:COL - | -LL | pub enum GeneratorState<Y, R> { - | ^ required by this bound in `GeneratorState` error: aborting due to 2 previous errors diff --git a/src/test/ui/generics/wrong-number-of-args.stderr b/src/test/ui/generics/wrong-number-of-args.stderr index 0475eb908a7..b48966a1a1e 100644 --- a/src/test/ui/generics/wrong-number-of-args.stderr +++ b/src/test/ui/generics/wrong-number-of-args.stderr @@ -889,11 +889,6 @@ error[E0107]: missing generics for struct `HashMap` LL | type A = HashMap; | ^^^^^^^ expected at least 2 generic arguments | -note: struct defined here, with at least 2 generic parameters: `K`, `V` - --> $SRC_DIR/std/src/collections/hash/map.rs:LL:COL - | -LL | pub struct HashMap<K, V, S = RandomState> { - | ^^^^^^^ - - help: add missing generic arguments | LL | type A = HashMap<K, V>; @@ -907,11 +902,6 @@ LL | type B = HashMap<String>; | | | expected at least 2 generic arguments | -note: struct defined here, with at least 2 generic parameters: `K`, `V` - --> $SRC_DIR/std/src/collections/hash/map.rs:LL:COL - | -LL | pub struct HashMap<K, V, S = RandomState> { - | ^^^^^^^ - - help: add missing generic argument | LL | type B = HashMap<String, V>; @@ -924,12 +914,6 @@ LL | type C = HashMap<'static>; | ^^^^^^^--------- help: remove these generics | | | expected 0 lifetime arguments - | -note: struct defined here, with 0 lifetime parameters - --> $SRC_DIR/std/src/collections/hash/map.rs:LL:COL - | -LL | pub struct HashMap<K, V, S = RandomState> { - | ^^^^^^^ error[E0107]: this struct takes at least 2 generic arguments but 0 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:318:18 @@ -937,11 +921,6 @@ error[E0107]: this struct takes at least 2 generic arguments but 0 generic argum LL | type C = HashMap<'static>; | ^^^^^^^ expected at least 2 generic arguments | -note: struct defined here, with at least 2 generic parameters: `K`, `V` - --> $SRC_DIR/std/src/collections/hash/map.rs:LL:COL - | -LL | pub struct HashMap<K, V, S = RandomState> { - | ^^^^^^^ - - help: add missing generic arguments | LL | type C = HashMap<'static, K, V>; @@ -954,12 +933,6 @@ LL | type D = HashMap<usize, String, char, f64>; | ^^^^^^^ --- help: remove this generic argument | | | expected at most 3 generic arguments - | -note: struct defined here, with at most 3 generic parameters: `K`, `V`, `S` - --> $SRC_DIR/std/src/collections/hash/map.rs:LL:COL - | -LL | pub struct HashMap<K, V, S = RandomState> { - | ^^^^^^^ - - --------------- error[E0107]: this struct takes at least 2 generic arguments but 0 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:328:18 @@ -967,11 +940,6 @@ error[E0107]: this struct takes at least 2 generic arguments but 0 generic argum LL | type E = HashMap<>; | ^^^^^^^ expected at least 2 generic arguments | -note: struct defined here, with at least 2 generic parameters: `K`, `V` - --> $SRC_DIR/std/src/collections/hash/map.rs:LL:COL - | -LL | pub struct HashMap<K, V, S = RandomState> { - | ^^^^^^^ - - help: add missing generic arguments | LL | type E = HashMap<K, V>; @@ -983,11 +951,6 @@ error[E0107]: missing generics for enum `Result` LL | type A = Result; | ^^^^^^ expected 2 generic arguments | -note: enum defined here, with 2 generic parameters: `T`, `E` - --> $SRC_DIR/core/src/result.rs:LL:COL - | -LL | pub enum Result<T, E> { - | ^^^^^^ - - help: add missing generic arguments | LL | type A = Result<T, E>; @@ -1001,11 +964,6 @@ LL | type B = Result<String>; | | | expected 2 generic arguments | -note: enum defined here, with 2 generic parameters: `T`, `E` - --> $SRC_DIR/core/src/result.rs:LL:COL - | -LL | pub enum Result<T, E> { - | ^^^^^^ - - help: add missing generic argument | LL | type B = Result<String, E>; @@ -1018,12 +976,6 @@ LL | type C = Result<'static>; | ^^^^^^--------- help: remove these generics | | | expected 0 lifetime arguments - | -note: enum defined here, with 0 lifetime parameters - --> $SRC_DIR/core/src/result.rs:LL:COL - | -LL | pub enum Result<T, E> { - | ^^^^^^ error[E0107]: this enum takes 2 generic arguments but 0 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:342:18 @@ -1031,11 +983,6 @@ error[E0107]: this enum takes 2 generic arguments but 0 generic arguments were s LL | type C = Result<'static>; | ^^^^^^ expected 2 generic arguments | -note: enum defined here, with 2 generic parameters: `T`, `E` - --> $SRC_DIR/core/src/result.rs:LL:COL - | -LL | pub enum Result<T, E> { - | ^^^^^^ - - help: add missing generic arguments | LL | type C = Result<'static, T, E>; @@ -1048,12 +995,6 @@ LL | type D = Result<usize, String, char>; | ^^^^^^ ---- help: remove this generic argument | | | expected 2 generic arguments - | -note: enum defined here, with 2 generic parameters: `T`, `E` - --> $SRC_DIR/core/src/result.rs:LL:COL - | -LL | pub enum Result<T, E> { - | ^^^^^^ - - error[E0107]: this enum takes 2 generic arguments but 0 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:352:18 @@ -1061,11 +1002,6 @@ error[E0107]: this enum takes 2 generic arguments but 0 generic arguments were s LL | type E = Result<>; | ^^^^^^ expected 2 generic arguments | -note: enum defined here, with 2 generic parameters: `T`, `E` - --> $SRC_DIR/core/src/result.rs:LL:COL - | -LL | pub enum Result<T, E> { - | ^^^^^^ - - help: add missing generic arguments | LL | type E = Result<T, E>; diff --git a/src/test/ui/impl-trait/impl-generic-mismatch.stderr b/src/test/ui/impl-trait/impl-generic-mismatch.stderr index 542f02d7ec5..973b65bfd62 100644 --- a/src/test/ui/impl-trait/impl-generic-mismatch.stderr +++ b/src/test/ui/impl-trait/impl-generic-mismatch.stderr @@ -46,11 +46,9 @@ error[E0643]: method `hash` has incompatible signature for trait | LL | fn hash(&self, hasher: &mut impl Hasher) {} | ^^^^^^^^^^^ expected generic parameter, found `impl Trait` + --> $SRC_DIR/core/src/hash/mod.rs:LL:COL | - ::: $SRC_DIR/core/src/hash/mod.rs:LL:COL - | -LL | fn hash<H: Hasher>(&self, state: &mut H); - | - declaration in trait here + = note: declaration in trait here error: aborting due to 4 previous errors diff --git a/src/test/ui/impl-trait/in-trait/wf-bounds.stderr b/src/test/ui/impl-trait/in-trait/wf-bounds.stderr index 92e36841b70..03cc4c2b93b 100644 --- a/src/test/ui/impl-trait/in-trait/wf-bounds.stderr +++ b/src/test/ui/impl-trait/in-trait/wf-bounds.stderr @@ -7,9 +7,6 @@ LL | fn nya() -> impl Wf<Vec<[u8]>>; = help: the trait `Sized` is not implemented for `[u8]` note: required by a bound in `Vec` --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL - | -LL | pub struct Vec<T, #[unstable(feature = "allocator_api", issue = "32838")] A: Allocator = Global> { - | ^ required by this bound in `Vec` error[E0277]: the size for values of type `[u8]` cannot be known at compilation time --> $DIR/wf-bounds.rs:12:23 diff --git a/src/test/ui/impl-trait/issues/issue-62742.stderr b/src/test/ui/impl-trait/issues/issue-62742.stderr index 34f4dc2cef3..bc342dc4689 100644 --- a/src/test/ui/impl-trait/issues/issue-62742.stderr +++ b/src/test/ui/impl-trait/issues/issue-62742.stderr @@ -25,7 +25,7 @@ LL | pub struct SafeImpl<T: ?Sized, A: Raw<T>>(PhantomData<(A, T)>); | = note: the following trait bounds were not satisfied: `RawImpl<()>: Raw<()>` -note: the following trait must be implemented +note: the trait `Raw` must be implemented --> $DIR/issue-62742.rs:12:1 | LL | pub trait Raw<T: ?Sized> { diff --git a/src/test/ui/impl-trait/issues/issue-92305.stderr b/src/test/ui/impl-trait/issues/issue-92305.stderr index 34d5c2d61dc..f09c14d3df1 100644 --- a/src/test/ui/impl-trait/issues/issue-92305.stderr +++ b/src/test/ui/impl-trait/issues/issue-92305.stderr @@ -4,11 +4,6 @@ error[E0107]: missing generics for struct `Vec` LL | fn f<T>(data: &[T]) -> impl Iterator<Item = Vec> { | ^^^ expected at least 1 generic argument | -note: struct defined here, with at least 1 generic parameter: `T` - --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL - | -LL | pub struct Vec<T, #[unstable(feature = "allocator_api", issue = "32838")] A: Allocator = Global> { - | ^^^ - help: add missing generic argument | LL | fn f<T>(data: &[T]) -> impl Iterator<Item = Vec<T>> { diff --git a/src/test/ui/imports/extern-prelude-extern-crate-restricted-shadowing.stderr b/src/test/ui/imports/extern-prelude-extern-crate-restricted-shadowing.stderr index c31c8840381..ade479ed102 100644 --- a/src/test/ui/imports/extern-prelude-extern-crate-restricted-shadowing.stderr +++ b/src/test/ui/imports/extern-prelude-extern-crate-restricted-shadowing.stderr @@ -24,11 +24,8 @@ LL | extern crate std as Vec; ... LL | define_vec!(); | ------------- in this macro invocation -note: `Vec` could also refer to the struct defined here +note: `Vec` could also refer to a struct from prelude --> $SRC_DIR/std/src/prelude/mod.rs:LL:COL - | -LL | pub use super::v1::*; - | ^^^^^^^^^^^^ = note: this error originates in the macro `define_vec` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 2 previous errors diff --git a/src/test/ui/inference/issue-71732.stderr b/src/test/ui/inference/issue-71732.stderr index 79bee33280d..01b37f2acaa 100644 --- a/src/test/ui/inference/issue-71732.stderr +++ b/src/test/ui/inference/issue-71732.stderr @@ -12,9 +12,6 @@ LL | .get(&"key".into()) where T: ?Sized; note: required by a bound in `HashMap::<K, V, S>::get` --> $SRC_DIR/std/src/collections/hash/map.rs:LL:COL - | -LL | K: Borrow<Q>, - | ^^^^^^^^^ required by this bound in `HashMap::<K, V, S>::get` help: consider specifying the generic argument | LL | .get::<Q>(&"key".into()) diff --git a/src/test/ui/inline-const/expr-unsafe-err.mir.stderr b/src/test/ui/inline-const/expr-unsafe-err.mir.stderr new file mode 100644 index 00000000000..1bec41e2efa --- /dev/null +++ b/src/test/ui/inline-const/expr-unsafe-err.mir.stderr @@ -0,0 +1,11 @@ +error[E0133]: call to unsafe function is unsafe and requires unsafe function or block + --> $DIR/expr-unsafe-err.rs:8:9 + | +LL | require_unsafe(); + | ^^^^^^^^^^^^^^^^ call to unsafe function + | + = note: consult the function's documentation for information on how to avoid undefined behavior + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0133`. diff --git a/src/test/ui/inline-const/expr-unsafe-err.rs b/src/test/ui/inline-const/expr-unsafe-err.rs new file mode 100644 index 00000000000..adf05d352ea --- /dev/null +++ b/src/test/ui/inline-const/expr-unsafe-err.rs @@ -0,0 +1,11 @@ +// revisions: mir thir +// [thir]compile-flags: -Z thir-unsafeck +#![feature(inline_const)] +const unsafe fn require_unsafe() -> usize { 1 } + +fn main() { + const { + require_unsafe(); + //~^ ERROR [E0133] + } +} diff --git a/src/test/ui/inline-const/expr-unsafe-err.thir.stderr b/src/test/ui/inline-const/expr-unsafe-err.thir.stderr new file mode 100644 index 00000000000..c971e8afb35 --- /dev/null +++ b/src/test/ui/inline-const/expr-unsafe-err.thir.stderr @@ -0,0 +1,11 @@ +error[E0133]: call to unsafe function `require_unsafe` is unsafe and requires unsafe function or block + --> $DIR/expr-unsafe-err.rs:8:9 + | +LL | require_unsafe(); + | ^^^^^^^^^^^^^^^^ call to unsafe function + | + = note: consult the function's documentation for information on how to avoid undefined behavior + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0133`. diff --git a/src/test/ui/inline-const/expr-unsafe.mir.stderr b/src/test/ui/inline-const/expr-unsafe.mir.stderr new file mode 100644 index 00000000000..1ab6e42fba0 --- /dev/null +++ b/src/test/ui/inline-const/expr-unsafe.mir.stderr @@ -0,0 +1,14 @@ +warning: unnecessary `unsafe` block + --> $DIR/expr-unsafe.rs:12:13 + | +LL | unsafe {} + | ^^^^^^ unnecessary `unsafe` block + | +note: the lint level is defined here + --> $DIR/expr-unsafe.rs:4:9 + | +LL | #![warn(unused_unsafe)] + | ^^^^^^^^^^^^^ + +warning: 1 warning emitted + diff --git a/src/test/ui/inline-const/expr-unsafe.rs b/src/test/ui/inline-const/expr-unsafe.rs new file mode 100644 index 00000000000..d71efd33db1 --- /dev/null +++ b/src/test/ui/inline-const/expr-unsafe.rs @@ -0,0 +1,16 @@ +// check-pass +// revisions: mir thir +// [thir]compile-flags: -Z thir-unsafeck +#![warn(unused_unsafe)] +#![feature(inline_const)] +const unsafe fn require_unsafe() -> usize { 1 } + +fn main() { + unsafe { + const { + require_unsafe(); + unsafe {} + //~^ WARNING unnecessary `unsafe` block + } + } +} diff --git a/src/test/ui/inline-const/expr-unsafe.thir.stderr b/src/test/ui/inline-const/expr-unsafe.thir.stderr new file mode 100644 index 00000000000..4737444fb61 --- /dev/null +++ b/src/test/ui/inline-const/expr-unsafe.thir.stderr @@ -0,0 +1,17 @@ +warning: unnecessary `unsafe` block + --> $DIR/expr-unsafe.rs:12:13 + | +LL | unsafe { + | ------ because it's nested under this `unsafe` block +... +LL | unsafe {} + | ^^^^^^ unnecessary `unsafe` block + | +note: the lint level is defined here + --> $DIR/expr-unsafe.rs:4:9 + | +LL | #![warn(unused_unsafe)] + | ^^^^^^^^^^^^^ + +warning: 1 warning emitted + diff --git a/src/test/ui/inline-const/pat-unsafe-err.rs b/src/test/ui/inline-const/pat-unsafe-err.rs new file mode 100644 index 00000000000..e290b438c51 --- /dev/null +++ b/src/test/ui/inline-const/pat-unsafe-err.rs @@ -0,0 +1,17 @@ +// ignore-test This is currently broken +// revisions: mir thir +// [thir]compile-flags: -Z thir-unsafeck + +#![allow(incomplete_features)] +#![feature(inline_const_pat)] + +const unsafe fn require_unsafe() -> usize { 1 } + +fn main() { + match () { + const { + require_unsafe(); + //~^ ERROR [E0133] + } => (), + } +} diff --git a/src/test/ui/inline-const/pat-unsafe.rs b/src/test/ui/inline-const/pat-unsafe.rs new file mode 100644 index 00000000000..bcf7f6e0180 --- /dev/null +++ b/src/test/ui/inline-const/pat-unsafe.rs @@ -0,0 +1,22 @@ +// ignore-test This is currently broken +// check-pass +// revisions: mir thir +// [thir]compile-flags: -Z thir-unsafeck + +#![allow(incomplete_features)] +#![warn(unused_unsafe)] +#![feature(inline_const_pat)] + +const unsafe fn require_unsafe() -> usize { 1 } + +fn main() { + unsafe { + match () { + const { + require_unsafe(); + unsafe {} + //~^ WARNING unnecessary `unsafe` block + } => (), + } + } +} diff --git a/src/test/ui/interior-mutability/interior-mutability.stderr b/src/test/ui/interior-mutability/interior-mutability.stderr index 94f41c92598..034d22591b3 100644 --- a/src/test/ui/interior-mutability/interior-mutability.stderr +++ b/src/test/ui/interior-mutability/interior-mutability.stderr @@ -16,9 +16,6 @@ LL | catch_unwind(|| { x.set(23); }); | ^^ note: required by a bound in `catch_unwind` --> $SRC_DIR/std/src/panic.rs:LL:COL - | -LL | pub fn catch_unwind<F: FnOnce() -> R + UnwindSafe, R>(f: F) -> Result<R> { - | ^^^^^^^^^^ required by this bound in `catch_unwind` error: aborting due to previous error diff --git a/src/test/ui/intrinsics/const-eval-select-bad.stderr b/src/test/ui/intrinsics/const-eval-select-bad.stderr index 3720528ad4e..fd7d061b6b2 100644 --- a/src/test/ui/intrinsics/const-eval-select-bad.stderr +++ b/src/test/ui/intrinsics/const-eval-select-bad.stderr @@ -37,9 +37,6 @@ LL | const_eval_select((), 42, 0xDEADBEEF); = note: wrap the `{integer}` in a closure with no arguments: `|| { /* code */ }` note: required by a bound in `const_eval_select` --> $SRC_DIR/core/src/intrinsics.rs:LL:COL - | -LL | F: FnOnce<ARG, Output = RET>; - | ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `const_eval_select` error: this argument must be a function item --> $DIR/const-eval-select-bad.rs:10:31 @@ -62,9 +59,6 @@ LL | const_eval_select((), 42, 0xDEADBEEF); = note: wrap the `{integer}` in a closure with no arguments: `|| { /* code */ }` note: required by a bound in `const_eval_select` --> $SRC_DIR/core/src/intrinsics.rs:LL:COL - | -LL | G: FnOnce<ARG, Output = RET>, - | ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `const_eval_select` error[E0271]: expected `fn(i32) -> bool {bar}` to be a fn item that returns `i32`, but it returns `bool` --> $DIR/const-eval-select-bad.rs:32:34 @@ -76,9 +70,6 @@ LL | const_eval_select((1,), foo, bar); | note: required by a bound in `const_eval_select` --> $SRC_DIR/core/src/intrinsics.rs:LL:COL - | -LL | G: FnOnce<ARG, Output = RET>, - | ^^^^^^^^^^^^ required by this bound in `const_eval_select` error[E0631]: type mismatch in function arguments --> $DIR/const-eval-select-bad.rs:37:32 @@ -95,9 +86,6 @@ LL | const_eval_select((true,), foo, baz); found function signature `fn(i32) -> _` note: required by a bound in `const_eval_select` --> $SRC_DIR/core/src/intrinsics.rs:LL:COL - | -LL | F: FnOnce<ARG, Output = RET>; - | ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `const_eval_select` error: this argument must be a `const fn` --> $DIR/const-eval-select-bad.rs:42:29 diff --git a/src/test/ui/issues/issue-12567.stderr b/src/test/ui/issues/issue-12567.stderr index 3ce659ccd14..7fa06825f0f 100644 --- a/src/test/ui/issues/issue-12567.stderr +++ b/src/test/ui/issues/issue-12567.stderr @@ -11,6 +11,14 @@ LL | (&[hd1, ..], &[hd2, ..]) | --- ...and here | = note: move occurs because these variables have types that don't implement the `Copy` trait +help: consider borrowing the pattern binding + | +LL | (&[], &[ref hd, ..]) | (&[hd, ..], &[]) + | +++ +help: consider borrowing the pattern binding + | +LL | (&[ref hd1, ..], &[hd2, ..]) + | +++ error[E0508]: cannot move out of type `[T]`, a non-copy slice --> $DIR/issue-12567.rs:2:11 @@ -25,6 +33,14 @@ LL | (&[hd1, ..], &[hd2, ..]) | --- ...and here | = note: move occurs because these variables have types that don't implement the `Copy` trait +help: consider borrowing the pattern binding + | +LL | (&[], &[ref hd, ..]) | (&[hd, ..], &[]) + | +++ +help: consider borrowing the pattern binding + | +LL | (&[hd1, ..], &[ref hd2, ..]) + | +++ error: aborting due to 2 previous errors diff --git a/src/test/ui/issues/issue-14091-2.stderr b/src/test/ui/issues/issue-14091-2.stderr index a191afd7980..f8375d4ef90 100644 --- a/src/test/ui/issues/issue-14091-2.stderr +++ b/src/test/ui/issues/issue-14091-2.stderr @@ -9,11 +9,8 @@ note: an implementation of `Not` might be missing for `BytePos` | LL | pub struct BytePos(pub u32); | ^^^^^^^^^^^^^^^^^^ must implement `Not` -note: the following trait must be implemented +note: the trait `Not` must be implemented --> $SRC_DIR/core/src/ops/bit.rs:LL:COL - | -LL | pub trait Not { - | ^^^^^^^^^^^^^ = note: this error originates in the macro `assert` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to previous error diff --git a/src/test/ui/issues/issue-14092.stderr b/src/test/ui/issues/issue-14092.stderr index 7928b3fba27..132e2b101a5 100644 --- a/src/test/ui/issues/issue-14092.stderr +++ b/src/test/ui/issues/issue-14092.stderr @@ -4,13 +4,6 @@ error[E0107]: missing generics for struct `Box` LL | fn fn1(0: Box) {} | ^^^ expected at least 1 generic argument | -note: struct defined here, with at least 1 generic parameter: `T` - --> $SRC_DIR/alloc/src/boxed.rs:LL:COL - | -LL | pub struct Box< - | ^^^ -LL | T: ?Sized, - | - help: add missing generic argument | LL | fn fn1(0: Box<T>) {} diff --git a/src/test/ui/issues/issue-16966.stderr b/src/test/ui/issues/issue-16966.stderr index 8524a62a0a4..60f5190dbd0 100644 --- a/src/test/ui/issues/issue-16966.stderr +++ b/src/test/ui/issues/issue-16966.stderr @@ -5,11 +5,6 @@ LL | panic!(std::default::Default::default()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type of the type parameter `M` declared on the function `begin_panic` | = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) -help: consider specifying the generic argument - --> $SRC_DIR/std/src/panic.rs:LL:COL - | -LL | $crate::rt::begin_panic::<M>($msg) - | +++++ error: aborting due to previous error diff --git a/src/test/ui/issues/issue-17546.stderr b/src/test/ui/issues/issue-17546.stderr index 16678c8c8a9..81592320a27 100644 --- a/src/test/ui/issues/issue-17546.stderr +++ b/src/test/ui/issues/issue-17546.stderr @@ -3,11 +3,9 @@ error[E0573]: expected type, found variant `NoResult` | LL | fn new() -> NoResult<MyEnum, String> { | ^^^^^^^^^^^^^^^^^^^^^^^^ + --> $SRC_DIR/core/src/result.rs:LL:COL | - ::: $SRC_DIR/core/src/result.rs:LL:COL - | -LL | pub enum Result<T, E> { - | --------------------- similarly named enum `Result` defined here + = note: similarly named enum `Result` defined here | help: try using the variant's enum | @@ -57,11 +55,9 @@ error[E0573]: expected type, found variant `NoResult` | LL | fn newer() -> NoResult<foo::MyEnum, String> { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + --> $SRC_DIR/core/src/result.rs:LL:COL | - ::: $SRC_DIR/core/src/result.rs:LL:COL - | -LL | pub enum Result<T, E> { - | --------------------- similarly named enum `Result` defined here + = note: similarly named enum `Result` defined here | help: try using the variant's enum | diff --git a/src/test/ui/issues/issue-17651.stderr b/src/test/ui/issues/issue-17651.stderr index efaaeeda2fa..b37811e1955 100644 --- a/src/test/ui/issues/issue-17651.stderr +++ b/src/test/ui/issues/issue-17651.stderr @@ -9,9 +9,6 @@ LL | (|| Box::new(*(&[0][..])))(); = help: the trait `Sized` is not implemented for `[{integer}]` note: required by a bound in `Box::<T>::new` --> $SRC_DIR/alloc/src/boxed.rs:LL:COL - | -LL | impl<T> Box<T> { - | ^ required by this bound in `Box::<T>::new` error: aborting due to previous error diff --git a/src/test/ui/issues/issue-18423.stderr b/src/test/ui/issues/issue-18423.stderr index 4711a3f3ce0..bbf79366244 100644 --- a/src/test/ui/issues/issue-18423.stderr +++ b/src/test/ui/issues/issue-18423.stderr @@ -5,12 +5,6 @@ LL | x: Box<'a, isize> | ^^^ -- help: remove this lifetime argument | | | expected 0 lifetime arguments - | -note: struct defined here, with 0 lifetime parameters - --> $SRC_DIR/alloc/src/boxed.rs:LL:COL - | -LL | pub struct Box< - | ^^^ error: aborting due to previous error diff --git a/src/test/ui/issues/issue-20162.stderr b/src/test/ui/issues/issue-20162.stderr index d70bf6e1d92..1c5b76fbfc1 100644 --- a/src/test/ui/issues/issue-20162.stderr +++ b/src/test/ui/issues/issue-20162.stderr @@ -6,9 +6,6 @@ LL | b.sort(); | note: required by a bound in `slice::<impl [T]>::sort` --> $SRC_DIR/alloc/src/slice.rs:LL:COL - | -LL | T: Ord, - | ^^^ required by this bound in `slice::<impl [T]>::sort` help: consider annotating `X` with `#[derive(Ord)]` | LL | #[derive(Ord)] diff --git a/src/test/ui/issues/issue-20433.stderr b/src/test/ui/issues/issue-20433.stderr index 9d3bb8b924d..3ae952546a6 100644 --- a/src/test/ui/issues/issue-20433.stderr +++ b/src/test/ui/issues/issue-20433.stderr @@ -7,9 +7,6 @@ LL | fn iceman(c: Vec<[i32]>) {} = help: the trait `Sized` is not implemented for `[i32]` note: required by a bound in `Vec` --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL - | -LL | pub struct Vec<T, #[unstable(feature = "allocator_api", issue = "32838")] A: Allocator = Global> { - | ^ required by this bound in `Vec` error: aborting due to previous error diff --git a/src/test/ui/issues/issue-23024.stderr b/src/test/ui/issues/issue-23024.stderr index dc8b34a70c3..014eb2897b4 100644 --- a/src/test/ui/issues/issue-23024.stderr +++ b/src/test/ui/issues/issue-23024.stderr @@ -13,11 +13,6 @@ error[E0107]: missing generics for trait `Fn` LL | println!("{:?}",(vfnfer[0] as dyn Fn)(3)); | ^^ expected 1 generic argument | -note: trait defined here, with 1 generic parameter: `Args` - --> $SRC_DIR/core/src/ops/function.rs:LL:COL - | -LL | pub trait Fn<Args: Tuple>: FnMut<Args> { - | ^^ ---- help: add missing generic argument | LL | println!("{:?}",(vfnfer[0] as dyn Fn<Args>)(3)); diff --git a/src/test/ui/issues/issue-23966.stderr b/src/test/ui/issues/issue-23966.stderr index 22c4055f54b..8f934481d85 100644 --- a/src/test/ui/issues/issue-23966.stderr +++ b/src/test/ui/issues/issue-23966.stderr @@ -9,9 +9,6 @@ LL | "".chars().fold(|_, _| (), ()); = help: the trait `FnMut<(_, char)>` is not implemented for `()` note: required by a bound in `fold` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | F: FnMut(B, Self::Item) -> B, - | ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Iterator::fold` error: aborting due to previous error diff --git a/src/test/ui/issues/issue-27033.stderr b/src/test/ui/issues/issue-27033.stderr index 9a38d49cd0c..7a0ca888d74 100644 --- a/src/test/ui/issues/issue-27033.stderr +++ b/src/test/ui/issues/issue-27033.stderr @@ -3,11 +3,9 @@ error[E0530]: match bindings cannot shadow unit variants | LL | None @ _ => {} | ^^^^ cannot be named the same as a unit variant + --> $SRC_DIR/std/src/prelude/mod.rs:LL:COL | - ::: $SRC_DIR/std/src/prelude/mod.rs:LL:COL - | -LL | pub use super::v1::*; - | ------------ the unit variant `None` is defined here + = note: the unit variant `None` is defined here error[E0530]: match bindings cannot shadow constants --> $DIR/issue-27033.rs:7:9 diff --git a/src/test/ui/issues/issue-3044.stderr b/src/test/ui/issues/issue-3044.stderr index a4c455ca192..2b142f688ec 100644 --- a/src/test/ui/issues/issue-3044.stderr +++ b/src/test/ui/issues/issue-3044.stderr @@ -9,9 +9,6 @@ LL | | }); | note: associated function defined here --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | fn fold<B, F>(mut self, init: B, mut f: F) -> B - | ^^^^ help: provide the argument | LL ~ needlesArr.iter().fold(|x, y| { diff --git a/src/test/ui/issues/issue-31173.stderr b/src/test/ui/issues/issue-31173.stderr index 62d841f3789..b667ae0a789 100644 --- a/src/test/ui/issues/issue-31173.stderr +++ b/src/test/ui/issues/issue-31173.stderr @@ -8,25 +8,18 @@ LL | .cloned() found type `u8` note: required by a bound in `cloned` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | Self: Sized + Iterator<Item = &'a T>, - | ^^^^^^^^^^^^ required by this bound in `Iterator::cloned` error[E0599]: the method `collect` exists for struct `Cloned<TakeWhile<&mut std::vec::IntoIter<u8>, [closure@$DIR/issue-31173.rs:7:21: 7:25]>>`, but its trait bounds were not satisfied --> $DIR/issue-31173.rs:12:10 | LL | .collect(); | ^^^^^^^ method cannot be called on `Cloned<TakeWhile<&mut std::vec::IntoIter<u8>, [closure@$DIR/issue-31173.rs:7:21: 7:25]>>` due to unsatisfied trait bounds + --> $SRC_DIR/core/src/iter/adapters/take_while.rs:LL:COL | - ::: $SRC_DIR/core/src/iter/adapters/take_while.rs:LL:COL - | -LL | pub struct TakeWhile<I, P> { - | -------------------------- doesn't satisfy `<_ as Iterator>::Item = &_` - | - ::: $SRC_DIR/core/src/iter/adapters/cloned.rs:LL:COL + = note: doesn't satisfy `<_ as Iterator>::Item = &_` + --> $SRC_DIR/core/src/iter/adapters/cloned.rs:LL:COL | -LL | pub struct Cloned<I> { - | -------------------- doesn't satisfy `_: Iterator` + = note: doesn't satisfy `_: Iterator` | = note: the following trait bounds were not satisfied: `<TakeWhile<&mut std::vec::IntoIter<u8>, [closure@$DIR/issue-31173.rs:7:21: 7:25]> as Iterator>::Item = &_` diff --git a/src/test/ui/issues/issue-32655.stderr b/src/test/ui/issues/issue-32655.stderr index 5a758c7002b..b8362499b2d 100644 --- a/src/test/ui/issues/issue-32655.stderr +++ b/src/test/ui/issues/issue-32655.stderr @@ -6,11 +6,9 @@ LL | #[derive_Clone] ... LL | foo!(); | ------ in this macro invocation + --> $SRC_DIR/core/src/macros/mod.rs:LL:COL | - ::: $SRC_DIR/core/src/macros/mod.rs:LL:COL - | -LL | pub macro derive_const($item:item) { - | ---------------------- similarly named attribute macro `derive_const` defined here + = note: similarly named attribute macro `derive_const` defined here | = note: this error originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info) @@ -19,11 +17,9 @@ error: cannot find attribute `derive_Clone` in this scope | LL | #[derive_Clone] | ^^^^^^^^^^^^ help: an attribute macro with a similar name exists: `derive_const` + --> $SRC_DIR/core/src/macros/mod.rs:LL:COL | - ::: $SRC_DIR/core/src/macros/mod.rs:LL:COL - | -LL | pub macro derive_const($item:item) { - | ---------------------- similarly named attribute macro `derive_const` defined here + = note: similarly named attribute macro `derive_const` defined here error: aborting due to 2 previous errors diff --git a/src/test/ui/issues/issue-33941.stderr b/src/test/ui/issues/issue-33941.stderr index 73a9b786fe2..49702c47658 100644 --- a/src/test/ui/issues/issue-33941.stderr +++ b/src/test/ui/issues/issue-33941.stderr @@ -8,9 +8,6 @@ LL | for _ in HashMap::new().iter().cloned() {} found tuple `(&_, &_)` note: required by a bound in `cloned` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | Self: Sized + Iterator<Item = &'a T>, - | ^^^^^^^^^^^^ required by this bound in `Iterator::cloned` error[E0271]: expected `std::collections::hash_map::Iter<'_, _, _>` to be an iterator that yields `&_`, but it yields `(&_, &_)` --> $DIR/issue-33941.rs:6:14 diff --git a/src/test/ui/issues/issue-34334.stderr b/src/test/ui/issues/issue-34334.stderr index b610e5c1366..9d2c315e4db 100644 --- a/src/test/ui/issues/issue-34334.stderr +++ b/src/test/ui/issues/issue-34334.stderr @@ -32,9 +32,6 @@ LL | let sr2: Vec<(u32, _, _)> = sr.iter().map(|(faction, th_sender, th_rece | `Iterator::Item` is `&(_, _, _)` here note: required by a bound in `collect` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | fn collect<B: FromIterator<Self::Item>>(self) -> B - | ^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Iterator::collect` error: aborting due to 2 previous errors diff --git a/src/test/ui/issues/issue-34721.stderr b/src/test/ui/issues/issue-34721.stderr index 045819061c1..f2bf22227db 100644 --- a/src/test/ui/issues/issue-34721.stderr +++ b/src/test/ui/issues/issue-34721.stderr @@ -13,7 +13,7 @@ LL | }; LL | x.zero() | ^ value used here after move | -note: this function takes ownership of the receiver `self`, which moves `x` +note: `Foo::zero` takes ownership of the receiver `self`, which moves `x` --> $DIR/issue-34721.rs:4:13 | LL | fn zero(self) -> Self; diff --git a/src/test/ui/issues/issue-38857.stderr b/src/test/ui/issues/issue-38857.stderr index 23090c1ed78..4d505784b86 100644 --- a/src/test/ui/issues/issue-38857.stderr +++ b/src/test/ui/issues/issue-38857.stderr @@ -12,9 +12,6 @@ LL | let a = std::sys::imp::process::process_common::StdioPipes { ..panic!() | note: the module `sys` is defined here --> $SRC_DIR/std/src/lib.rs:LL:COL - | -LL | mod sys; - | ^^^^^^^ error: aborting due to 2 previous errors diff --git a/src/test/ui/issues/issue-40402-ref-hints/issue-40402-1.stderr b/src/test/ui/issues/issue-40402-ref-hints/issue-40402-1.stderr index 0a5a6b80e9b..e15eed65612 100644 --- a/src/test/ui/issues/issue-40402-ref-hints/issue-40402-1.stderr +++ b/src/test/ui/issues/issue-40402-ref-hints/issue-40402-1.stderr @@ -2,10 +2,12 @@ error[E0507]: cannot move out of index of `Vec<String>` --> $DIR/issue-40402-1.rs:9:13 | LL | let e = f.v[0]; - | ^^^^^^ - | | - | move occurs because value has type `String`, which does not implement the `Copy` trait - | help: consider borrowing here: `&f.v[0]` + | ^^^^^^ move occurs because value has type `String`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | let e = &f.v[0]; + | + error: aborting due to previous error diff --git a/src/test/ui/issues/issue-40402-ref-hints/issue-40402-2.stderr b/src/test/ui/issues/issue-40402-ref-hints/issue-40402-2.stderr index b6049f967ff..1bc554efb5c 100644 --- a/src/test/ui/issues/issue-40402-ref-hints/issue-40402-2.stderr +++ b/src/test/ui/issues/issue-40402-ref-hints/issue-40402-2.stderr @@ -2,12 +2,16 @@ error[E0507]: cannot move out of index of `Vec<(String, String)>` --> $DIR/issue-40402-2.rs:5:18 | LL | let (a, b) = x[0]; - | - - ^^^^ help: consider borrowing here: `&x[0]` + | - - ^^^^ | | | | | ...and here | data moved here | = note: move occurs because these variables have types that don't implement the `Copy` trait +help: consider borrowing here + | +LL | let (a, b) = &x[0]; + | + error: aborting due to previous error diff --git a/src/test/ui/issues/issue-48364.stderr b/src/test/ui/issues/issue-48364.stderr index 7fd36676df8..da3e62e35dc 100644 --- a/src/test/ui/issues/issue-48364.stderr +++ b/src/test/ui/issues/issue-48364.stderr @@ -10,9 +10,6 @@ LL | b"".starts_with(stringify!(foo)) found reference `&'static str` note: associated function defined here --> $SRC_DIR/core/src/slice/mod.rs:LL:COL - | -LL | pub fn starts_with(&self, needle: &[T]) -> bool - | ^^^^^^^^^^^ = note: this error originates in the macro `stringify` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to previous error diff --git a/src/test/ui/issues/issue-51154.stderr b/src/test/ui/issues/issue-51154.stderr index 44ec626dea5..d8a833a86f5 100644 --- a/src/test/ui/issues/issue-51154.stderr +++ b/src/test/ui/issues/issue-51154.stderr @@ -13,9 +13,6 @@ LL | let _: Box<F> = Box::new(|| ()); = help: every closure has a distinct type and so could not always match the caller-chosen type of parameter `F` note: associated function defined here --> $SRC_DIR/alloc/src/boxed.rs:LL:COL - | -LL | pub fn new(x: T) -> Self { - | ^^^ error: aborting due to previous error diff --git a/src/test/ui/issues/issue-61108.stderr b/src/test/ui/issues/issue-61108.stderr index e5b671d7b7a..3aaf5fb3f3e 100644 --- a/src/test/ui/issues/issue-61108.stderr +++ b/src/test/ui/issues/issue-61108.stderr @@ -9,11 +9,8 @@ LL | for l in bad_letters { LL | bad_letters.push('s'); | ^^^^^^^^^^^^^^^^^^^^^ value borrowed here after move | -note: this function takes ownership of the receiver `self`, which moves `bad_letters` +note: `into_iter` takes ownership of the receiver `self`, which moves `bad_letters` --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL - | -LL | fn into_iter(self) -> Self::IntoIter; - | ^^^^ help: consider iterating over a slice of the `Vec<char>`'s content to avoid moving into the `for` loop | LL | for l in &bad_letters { diff --git a/src/test/ui/issues/issue-64559.stderr b/src/test/ui/issues/issue-64559.stderr index ef178bbd155..386ac794d7d 100644 --- a/src/test/ui/issues/issue-64559.stderr +++ b/src/test/ui/issues/issue-64559.stderr @@ -10,11 +10,8 @@ LL | let _closure = || orig; | | | value used here after move | -note: this function takes ownership of the receiver `self`, which moves `orig` +note: `into_iter` takes ownership of the receiver `self`, which moves `orig` --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL - | -LL | fn into_iter(self) -> Self::IntoIter; - | ^^^^ help: consider iterating over a slice of the `Vec<bool>`'s content to avoid moving into the `for` loop | LL | for _val in &orig {} diff --git a/src/test/ui/issues/issue-66923-show-error-for-correct-call.stderr b/src/test/ui/issues/issue-66923-show-error-for-correct-call.stderr index c6352978613..cec482a53ba 100644 --- a/src/test/ui/issues/issue-66923-show-error-for-correct-call.stderr +++ b/src/test/ui/issues/issue-66923-show-error-for-correct-call.stderr @@ -15,9 +15,6 @@ LL | let x2: Vec<f64> = x1.into_iter().collect(); | ^^^^^^^^^^^ `Iterator::Item` is `&f64` here note: required by a bound in `collect` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | fn collect<B: FromIterator<Self::Item>>(self) -> B - | ^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Iterator::collect` error[E0277]: a value of type `Vec<f64>` cannot be built from an iterator over elements of type `&f64` --> $DIR/issue-66923-show-error-for-correct-call.rs:12:29 @@ -37,9 +34,6 @@ LL | let x3 = x1.into_iter().collect::<Vec<f64>>(); | ^^^^^^^^^^^ `Iterator::Item` is `&f64` here note: required by a bound in `collect` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | fn collect<B: FromIterator<Self::Item>>(self) -> B - | ^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Iterator::collect` error: aborting due to 2 previous errors diff --git a/src/test/ui/issues/issue-7607-1.stderr b/src/test/ui/issues/issue-7607-1.stderr index f1ab0ad26d7..c983026995b 100644 --- a/src/test/ui/issues/issue-7607-1.stderr +++ b/src/test/ui/issues/issue-7607-1.stderr @@ -3,11 +3,9 @@ error[E0412]: cannot find type `Fo` in this scope | LL | impl Fo { | ^^ help: a trait with a similar name exists: `Fn` + --> $SRC_DIR/core/src/ops/function.rs:LL:COL | - ::: $SRC_DIR/core/src/ops/function.rs:LL:COL - | -LL | pub trait Fn<Args: Tuple>: FnMut<Args> { - | -------------------------------------- similarly named trait `Fn` defined here + = note: similarly named trait `Fn` defined here error: aborting due to previous error diff --git a/src/test/ui/issues/issue-83924.stderr b/src/test/ui/issues/issue-83924.stderr index 767571cddbe..572414df2bf 100644 --- a/src/test/ui/issues/issue-83924.stderr +++ b/src/test/ui/issues/issue-83924.stderr @@ -10,11 +10,8 @@ LL | for n in v { LL | for n in v { | ^ value used here after move | -note: this function takes ownership of the receiver `self`, which moves `v` +note: `into_iter` takes ownership of the receiver `self`, which moves `v` --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL - | -LL | fn into_iter(self) -> Self::IntoIter; - | ^^^^ help: consider creating a fresh reborrow of `v` here | LL | for n in &mut *v { diff --git a/src/test/ui/iterators/collect-into-array.stderr b/src/test/ui/iterators/collect-into-array.stderr index 7a07fed1fae..e38745cc10e 100644 --- a/src/test/ui/iterators/collect-into-array.stderr +++ b/src/test/ui/iterators/collect-into-array.stderr @@ -7,9 +7,6 @@ LL | let whatever: [u32; 10] = (0..10).collect(); = help: the trait `FromIterator<{integer}>` is not implemented for `[u32; 10]` note: required by a bound in `collect` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | fn collect<B: FromIterator<Self::Item>>(self) -> B - | ^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Iterator::collect` error: aborting due to previous error diff --git a/src/test/ui/iterators/collect-into-slice.stderr b/src/test/ui/iterators/collect-into-slice.stderr index 58da222e039..29fff8c51c6 100644 --- a/src/test/ui/iterators/collect-into-slice.stderr +++ b/src/test/ui/iterators/collect-into-slice.stderr @@ -17,9 +17,6 @@ LL | let some_generated_vec = (0..10).collect(); = help: the trait `Sized` is not implemented for `[i32]` note: required by a bound in `collect` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | fn collect<B: FromIterator<Self::Item>>(self) -> B - | ^ required by this bound in `Iterator::collect` error[E0277]: a slice of type `[i32]` cannot be built since `[i32]` has no definite size --> $DIR/collect-into-slice.rs:6:38 @@ -30,9 +27,6 @@ LL | let some_generated_vec = (0..10).collect(); = help: the trait `FromIterator<{integer}>` is not implemented for `[i32]` note: required by a bound in `collect` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | fn collect<B: FromIterator<Self::Item>>(self) -> B - | ^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Iterator::collect` error: aborting due to 3 previous errors diff --git a/src/test/ui/iterators/invalid-iterator-chain.stderr b/src/test/ui/iterators/invalid-iterator-chain.stderr index 49651b20fb1..84bac7833f6 100644 --- a/src/test/ui/iterators/invalid-iterator-chain.stderr +++ b/src/test/ui/iterators/invalid-iterator-chain.stderr @@ -22,9 +22,6 @@ LL | | }); | |__________^ `Iterator::Item` changed to `()` here note: required by a bound in `std::iter::Iterator::sum` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | S: Sum<Self::Item>, - | ^^^^^^^^^^^^^^^ required by this bound in `Iterator::sum` error[E0277]: a value of type `i32` cannot be made by summing an iterator over elements of type `()` --> $DIR/invalid-iterator-chain.rs:18:14 @@ -57,9 +54,6 @@ LL | .map(|x| { x; }) | ^^^^^^^^^^^^^^^ `Iterator::Item` changed to `()` here note: required by a bound in `std::iter::Iterator::sum` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | S: Sum<Self::Item>, - | ^^^^^^^^^^^^^^^ required by this bound in `Iterator::sum` error[E0277]: a value of type `i32` cannot be made by summing an iterator over elements of type `f64` --> $DIR/invalid-iterator-chain.rs:28:14 @@ -88,9 +82,6 @@ LL | .map(|x| { x + 1.0 }) | -------------------- `Iterator::Item` remains `f64` here note: required by a bound in `std::iter::Iterator::sum` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | S: Sum<Self::Item>, - | ^^^^^^^^^^^^^^^ required by this bound in `Iterator::sum` error[E0277]: a value of type `i32` cannot be made by summing an iterator over elements of type `()` --> $DIR/invalid-iterator-chain.rs:30:54 @@ -112,9 +103,6 @@ LL | println!("{}", vec![0, 1].iter().map(|x| { x; }).sum::<i32>()); | this expression has type `Vec<{integer}>` note: required by a bound in `std::iter::Iterator::sum` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | S: Sum<Self::Item>, - | ^^^^^^^^^^^^^^^ required by this bound in `Iterator::sum` error[E0277]: a value of type `i32` cannot be made by summing an iterator over elements of type `&()` --> $DIR/invalid-iterator-chain.rs:31:40 @@ -135,9 +123,6 @@ LL | println!("{}", vec![(), ()].iter().sum::<i32>()); | this expression has type `Vec<()>` note: required by a bound in `std::iter::Iterator::sum` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | S: Sum<Self::Item>, - | ^^^^^^^^^^^^^^^ required by this bound in `Iterator::sum` error[E0277]: a value of type `Vec<i32>` cannot be built from an iterator over elements of type `()` --> $DIR/invalid-iterator-chain.rs:40:25 @@ -167,9 +152,6 @@ LL | let f = e.filter(|_| false); | ----------------- `Iterator::Item` remains `()` here note: required by a bound in `collect` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | fn collect<B: FromIterator<Self::Item>>(self) -> B - | ^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Iterator::collect` error: aborting due to 6 previous errors diff --git a/src/test/ui/iterators/vec-on-unimplemented.stderr b/src/test/ui/iterators/vec-on-unimplemented.stderr index afcce5c30ca..a7d9c481a1a 100644 --- a/src/test/ui/iterators/vec-on-unimplemented.stderr +++ b/src/test/ui/iterators/vec-on-unimplemented.stderr @@ -3,11 +3,9 @@ error[E0599]: `Vec<bool>` is not an iterator | LL | vec![true, false].map(|v| !v).collect::<Vec<_>>(); | ^^^ `Vec<bool>` is not an iterator; try calling `.into_iter()` or `.iter()` + --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL | - ::: $SRC_DIR/alloc/src/vec/mod.rs:LL:COL - | -LL | pub struct Vec<T, #[unstable(feature = "allocator_api", issue = "32838")] A: Allocator = Global> { - | ------------------------------------------------------------------------------------------------ doesn't satisfy `Vec<bool>: Iterator` + = note: doesn't satisfy `Vec<bool>: Iterator` | = note: the following trait bounds were not satisfied: `Vec<bool>: Iterator` diff --git a/src/test/ui/lazy-type-alias-impl-trait/branches.stderr b/src/test/ui/lazy-type-alias-impl-trait/branches.stderr index c66069c4d25..0b206f31e7b 100644 --- a/src/test/ui/lazy-type-alias-impl-trait/branches.stderr +++ b/src/test/ui/lazy-type-alias-impl-trait/branches.stderr @@ -7,9 +7,6 @@ LL | std::iter::empty().collect() = help: the trait `FromIterator<_>` is not implemented for `Bar` note: required by a bound in `collect` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | fn collect<B: FromIterator<Self::Item>>(self) -> B - | ^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Iterator::collect` error: aborting due to previous error diff --git a/src/test/ui/lazy-type-alias-impl-trait/recursion4.stderr b/src/test/ui/lazy-type-alias-impl-trait/recursion4.stderr index a92c3a6809e..d8ac39a4f27 100644 --- a/src/test/ui/lazy-type-alias-impl-trait/recursion4.stderr +++ b/src/test/ui/lazy-type-alias-impl-trait/recursion4.stderr @@ -7,9 +7,6 @@ LL | x = std::iter::empty().collect(); = help: the trait `FromIterator<_>` is not implemented for `Foo` note: required by a bound in `collect` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | fn collect<B: FromIterator<Self::Item>>(self) -> B - | ^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Iterator::collect` error[E0277]: a value of type `impl Debug` cannot be built from an iterator over elements of type `_` --> $DIR/recursion4.rs:19:28 @@ -20,9 +17,6 @@ LL | x = std::iter::empty().collect(); = help: the trait `FromIterator<_>` is not implemented for `impl Debug` note: required by a bound in `collect` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | fn collect<B: FromIterator<Self::Item>>(self) -> B - | ^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Iterator::collect` error: aborting due to 2 previous errors diff --git a/src/test/ui/limits/issue-55878.stderr b/src/test/ui/limits/issue-55878.stderr index f17f8141b90..f455dcb06f7 100644 --- a/src/test/ui/limits/issue-55878.stderr +++ b/src/test/ui/limits/issue-55878.stderr @@ -1,14 +1,8 @@ error[E0080]: values of the type `[u8; SIZE]` are too big for the current architecture --> $SRC_DIR/core/src/mem/mod.rs:LL:COL | -LL | intrinsics::size_of::<T>() - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ - | note: inside `std::mem::size_of::<[u8; SIZE]>` --> $SRC_DIR/core/src/mem/mod.rs:LL:COL - | -LL | intrinsics::size_of::<T>() - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `main` --> $DIR/issue-55878.rs:7:26 | diff --git a/src/test/ui/lint/invalid_value.stderr b/src/test/ui/lint/invalid_value.stderr index 5370660d6c1..48fd4169da7 100644 --- a/src/test/ui/lint/invalid_value.stderr +++ b/src/test/ui/lint/invalid_value.stderr @@ -604,9 +604,6 @@ LL | let _val: Result<i32, i32> = mem::uninitialized(); | note: enums with multiple inhabited variants have to be initialized to a variant --> $SRC_DIR/core/src/result.rs:LL:COL - | -LL | pub enum Result<T, E> { - | ^^^^^^^^^^^^^^^^^^^^^ error: the type `&i32` does not permit zero-initialization --> $DIR/invalid_value.rs:152:34 diff --git a/src/test/ui/lint/lint-const-item-mutation.stderr b/src/test/ui/lint/lint-const-item-mutation.stderr index 9f4360e6763..747c38b8007 100644 --- a/src/test/ui/lint/lint-const-item-mutation.stderr +++ b/src/test/ui/lint/lint-const-item-mutation.stderr @@ -108,9 +108,6 @@ LL | VEC.push(0); = note: the mutable reference will refer to this temporary, not the original `const` item note: mutable reference created due to call to this method --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL - | -LL | pub fn push(&mut self, value: T) { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: `const` item defined here --> $DIR/lint-const-item-mutation.rs:31:1 | diff --git a/src/test/ui/loops/issue-82916.stderr b/src/test/ui/loops/issue-82916.stderr index 57d76016c45..e6a60d7bc40 100644 --- a/src/test/ui/loops/issue-82916.stderr +++ b/src/test/ui/loops/issue-82916.stderr @@ -9,11 +9,8 @@ LL | for y in x { LL | let z = x; | ^ value used here after move | -note: this function takes ownership of the receiver `self`, which moves `x` +note: `into_iter` takes ownership of the receiver `self`, which moves `x` --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL - | -LL | fn into_iter(self) -> Self::IntoIter; - | ^^^^ help: consider iterating over a slice of the `Vec<S>`'s content to avoid moving into the `for` loop | LL | for y in &x { diff --git a/src/test/ui/macros/format-args-temporaries-in-write.stderr b/src/test/ui/macros/format-args-temporaries-in-write.stderr index 03ecc4b4418..287cd7d6704 100644 --- a/src/test/ui/macros/format-args-temporaries-in-write.stderr +++ b/src/test/ui/macros/format-args-temporaries-in-write.stderr @@ -12,11 +12,6 @@ LL | }; | | | `mutex` dropped here while still borrowed | -help: consider adding semicolon after the expression so its temporaries are dropped sooner, before the local variables declared by the block are dropped - --> $SRC_DIR/core/src/macros/mod.rs:LL:COL - | -LL | $dst.write_fmt($crate::format_args!($($arg)*)); - | + error[E0597]: `mutex` does not live long enough --> $DIR/format-args-temporaries-in-write.rs:47:29 @@ -32,11 +27,6 @@ LL | }; | | | `mutex` dropped here while still borrowed | -help: consider adding semicolon after the expression so its temporaries are dropped sooner, before the local variables declared by the block are dropped - --> $SRC_DIR/core/src/macros/mod.rs:LL:COL - | -LL | $dst.write_fmt($crate::format_args_nl!($($arg)*)); - | + error: aborting due to 2 previous errors diff --git a/src/test/ui/macros/macro-name-typo.stderr b/src/test/ui/macros/macro-name-typo.stderr index 3e8cfb3f0e9..d7c8aaae22e 100644 --- a/src/test/ui/macros/macro-name-typo.stderr +++ b/src/test/ui/macros/macro-name-typo.stderr @@ -3,11 +3,9 @@ error: cannot find macro `printlx` in this scope | LL | printlx!("oh noes!"); | ^^^^^^^ help: a macro with a similar name exists: `println` + --> $SRC_DIR/std/src/macros.rs:LL:COL | - ::: $SRC_DIR/std/src/macros.rs:LL:COL - | -LL | macro_rules! println { - | -------------------- similarly named macro `println` defined here + = note: similarly named macro `println` defined here error: aborting due to previous error diff --git a/src/test/ui/macros/macro-path-prelude-fail-3.stderr b/src/test/ui/macros/macro-path-prelude-fail-3.stderr index 70900a6bc81..f1c3512bc9b 100644 --- a/src/test/ui/macros/macro-path-prelude-fail-3.stderr +++ b/src/test/ui/macros/macro-path-prelude-fail-3.stderr @@ -3,11 +3,9 @@ error: cannot find macro `inline` in this scope | LL | inline!(); | ^^^^^^ help: a macro with a similar name exists: `line` + --> $SRC_DIR/core/src/macros/mod.rs:LL:COL | - ::: $SRC_DIR/core/src/macros/mod.rs:LL:COL - | -LL | macro_rules! line { - | ----------------- similarly named macro `line` defined here + = note: similarly named macro `line` defined here | = note: `inline` is in scope, but it is an attribute: `#[inline]` diff --git a/src/test/ui/macros/unknown-builtin.stderr b/src/test/ui/macros/unknown-builtin.stderr index 8f9dba16578..22f54e04e54 100644 --- a/src/test/ui/macros/unknown-builtin.stderr +++ b/src/test/ui/macros/unknown-builtin.stderr @@ -7,9 +7,6 @@ LL | macro_rules! unknown { () => () } error[E0773]: attempted to define built-in macro more than once --> $SRC_DIR/core/src/macros/mod.rs:LL:COL | -LL | macro_rules! line { - | ^^^^^^^^^^^^^^^^^ - | note: previously defined here --> $DIR/unknown-builtin.rs:9:1 | diff --git a/src/test/ui/malformed/malformed-derive-entry.stderr b/src/test/ui/malformed/malformed-derive-entry.stderr index 803883460f0..6ff6fbabb4a 100644 --- a/src/test/ui/malformed/malformed-derive-entry.stderr +++ b/src/test/ui/malformed/malformed-derive-entry.stderr @@ -24,9 +24,6 @@ LL | #[derive(Copy(Bad))] | note: required by a bound in `Copy` --> $SRC_DIR/core/src/marker.rs:LL:COL - | -LL | pub trait Copy: Clone { - | ^^^^^ required by this bound in `Copy` = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Test1` with `#[derive(Clone)]` | @@ -41,9 +38,6 @@ LL | #[derive(Copy="bad")] | note: required by a bound in `Copy` --> $SRC_DIR/core/src/marker.rs:LL:COL - | -LL | pub trait Copy: Clone { - | ^^^^^ required by this bound in `Copy` = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Test2` with `#[derive(Clone)]` | diff --git a/src/test/ui/methods/method-call-err-msg.stderr b/src/test/ui/methods/method-call-err-msg.stderr index a4ffb864dad..3f4e647491e 100644 --- a/src/test/ui/methods/method-call-err-msg.stderr +++ b/src/test/ui/methods/method-call-err-msg.stderr @@ -61,11 +61,8 @@ LL | .take() = note: the following trait bounds were not satisfied: `Foo: Iterator` which is required by `&mut Foo: Iterator` -note: the following trait must be implemented +note: the trait `Iterator` must be implemented --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | pub trait Iterator { - | ^^^^^^^^^^^^^^^^^^ = help: items from traits can only be used if the trait is implemented and in scope = note: the following trait defines an item `take`, perhaps you need to implement it: candidate #1: `Iterator` diff --git a/src/test/ui/methods/method-call-lifetime-args-unresolved.stderr b/src/test/ui/methods/method-call-lifetime-args-unresolved.stderr index 62f20d6d50c..25ad360b329 100644 --- a/src/test/ui/methods/method-call-lifetime-args-unresolved.stderr +++ b/src/test/ui/methods/method-call-lifetime-args-unresolved.stderr @@ -11,11 +11,9 @@ warning: cannot specify lifetime arguments explicitly if late bound lifetime par | LL | 0.clone::<'a>(); | ^^ + --> $SRC_DIR/core/src/clone.rs:LL:COL | - ::: $SRC_DIR/core/src/clone.rs:LL:COL - | -LL | fn clone(&self) -> Self; - | - the late bound lifetime parameter is introduced here + = note: the late bound lifetime parameter is introduced here | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #42868 <https://github.com/rust-lang/rust/issues/42868> diff --git a/src/test/ui/mismatched_types/assignment-operator-unimplemented.stderr b/src/test/ui/mismatched_types/assignment-operator-unimplemented.stderr index ffd95b48ac2..2393791a9b2 100644 --- a/src/test/ui/mismatched_types/assignment-operator-unimplemented.stderr +++ b/src/test/ui/mismatched_types/assignment-operator-unimplemented.stderr @@ -11,11 +11,8 @@ note: an implementation of `AddAssign<_>` might be missing for `Foo` | LL | struct Foo; | ^^^^^^^^^^ must implement `AddAssign<_>` -note: the following trait must be implemented +note: the trait `AddAssign` must be implemented --> $SRC_DIR/core/src/ops/arith.rs:LL:COL - | -LL | pub trait AddAssign<Rhs = Self> { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/mismatched_types/closure-arg-count.stderr b/src/test/ui/mismatched_types/closure-arg-count.stderr index a2bf2e8d5b7..2ecab9f024a 100644 --- a/src/test/ui/mismatched_types/closure-arg-count.stderr +++ b/src/test/ui/mismatched_types/closure-arg-count.stderr @@ -128,9 +128,6 @@ LL | fn foo() {} | note: required by a bound in `map` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | F: FnMut(Self::Item) -> B, - | ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Iterator::map` error[E0593]: closure is expected to take a single 2-tuple as argument, but it takes 3 distinct arguments --> $DIR/closure-arg-count.rs:27:57 @@ -144,9 +141,6 @@ LL | let _it = vec![1, 2, 3].into_iter().enumerate().map(bar); | note: required by a bound in `map` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | F: FnMut(Self::Item) -> B, - | ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Iterator::map` error[E0593]: function is expected to take a single 2-tuple as argument, but it takes 2 distinct arguments --> $DIR/closure-arg-count.rs:29:57 @@ -161,9 +155,6 @@ LL | fn qux(x: usize, y: usize) {} | note: required by a bound in `map` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | F: FnMut(Self::Item) -> B, - | ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Iterator::map` error[E0593]: function is expected to take 1 argument, but it takes 2 arguments --> $DIR/closure-arg-count.rs:32:45 @@ -175,9 +166,6 @@ LL | let _it = vec![1, 2, 3].into_iter().map(usize::checked_add); | note: required by a bound in `map` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | F: FnMut(Self::Item) -> B, - | ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Iterator::map` error[E0593]: function is expected to take 0 arguments, but it takes 1 argument --> $DIR/closure-arg-count.rs:35:10 diff --git a/src/test/ui/mismatched_types/closure-arg-type-mismatch.stderr b/src/test/ui/mismatched_types/closure-arg-type-mismatch.stderr index 961ef32cbd3..fab9b7edc0c 100644 --- a/src/test/ui/mismatched_types/closure-arg-type-mismatch.stderr +++ b/src/test/ui/mismatched_types/closure-arg-type-mismatch.stderr @@ -12,9 +12,6 @@ LL | a.iter().map(|_: (u32, u32)| 45); found closure signature `fn((u32, u32)) -> _` note: required by a bound in `map` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | F: FnMut(Self::Item) -> B, - | ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Iterator::map` error[E0631]: type mismatch in closure arguments --> $DIR/closure-arg-type-mismatch.rs:4:14 @@ -28,9 +25,6 @@ LL | a.iter().map(|_: &(u16, u16)| 45); found closure signature `for<'a> fn(&'a (u16, u16)) -> _` note: required by a bound in `map` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | F: FnMut(Self::Item) -> B, - | ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Iterator::map` error[E0631]: type mismatch in closure arguments --> $DIR/closure-arg-type-mismatch.rs:5:14 @@ -44,9 +38,6 @@ LL | a.iter().map(|_: (u16, u16)| 45); found closure signature `fn((u16, u16)) -> _` note: required by a bound in `map` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | F: FnMut(Self::Item) -> B, - | ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Iterator::map` error: aborting due to 3 previous errors diff --git a/src/test/ui/mismatched_types/issue-35030.stderr b/src/test/ui/mismatched_types/issue-35030.stderr index 5ea9bcfc122..680aff1726f 100644 --- a/src/test/ui/mismatched_types/issue-35030.stderr +++ b/src/test/ui/mismatched_types/issue-35030.stderr @@ -13,9 +13,6 @@ LL | Some(true) found type `bool` (`bool`) note: tuple variant defined here --> $SRC_DIR/core/src/option.rs:LL:COL - | -LL | Some(#[stable(feature = "rust1", since = "1.0.0")] T), - | ^^^^ error: aborting due to previous error diff --git a/src/test/ui/mismatched_types/issue-36053-2.stderr b/src/test/ui/mismatched_types/issue-36053-2.stderr index 1a696752e87..b91f75b97f8 100644 --- a/src/test/ui/mismatched_types/issue-36053-2.stderr +++ b/src/test/ui/mismatched_types/issue-36053-2.stderr @@ -12,9 +12,6 @@ LL | once::<&str>("str").fuse().filter(|a: &str| true).count(); found closure signature `for<'a> fn(&'a str) -> _` note: required by a bound in `filter` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | P: FnMut(&Self::Item) -> bool, - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Iterator::filter` error[E0599]: the method `count` exists for struct `Filter<Fuse<std::iter::Once<&str>>, [closure@$DIR/issue-36053-2.rs:7:39: 7:48]>`, but its trait bounds were not satisfied --> $DIR/issue-36053-2.rs:7:55 @@ -24,11 +21,9 @@ LL | once::<&str>("str").fuse().filter(|a: &str| true).count(); | | | doesn't satisfy `<_ as FnOnce<(&&str,)>>::Output = bool` | doesn't satisfy `_: FnMut<(&&str,)>` + --> $SRC_DIR/core/src/iter/adapters/filter.rs:LL:COL | - ::: $SRC_DIR/core/src/iter/adapters/filter.rs:LL:COL - | -LL | pub struct Filter<I, P> { - | ----------------------- doesn't satisfy `_: Iterator` + = note: doesn't satisfy `_: Iterator` | = note: the following trait bounds were not satisfied: `<[closure@$DIR/issue-36053-2.rs:7:39: 7:48] as FnOnce<(&&str,)>>::Output = bool` diff --git a/src/test/ui/mismatched_types/issue-47706-trait.stderr b/src/test/ui/mismatched_types/issue-47706-trait.stderr index d596b4a69f3..a5f38dd5366 100644 --- a/src/test/ui/mismatched_types/issue-47706-trait.stderr +++ b/src/test/ui/mismatched_types/issue-47706-trait.stderr @@ -10,9 +10,6 @@ LL | None::<()>.map(Self::f); | note: required by a bound in `Option::<T>::map` --> $SRC_DIR/core/src/option.rs:LL:COL - | -LL | F: ~const FnOnce(T) -> U, - | ^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Option::<T>::map` error: aborting due to previous error diff --git a/src/test/ui/mismatched_types/issue-47706.stderr b/src/test/ui/mismatched_types/issue-47706.stderr index 8b856368401..d9d408844d0 100644 --- a/src/test/ui/mismatched_types/issue-47706.stderr +++ b/src/test/ui/mismatched_types/issue-47706.stderr @@ -11,9 +11,6 @@ LL | self.foo.map(Foo::new) | note: required by a bound in `Option::<T>::map` --> $SRC_DIR/core/src/option.rs:LL:COL - | -LL | F: ~const FnOnce(T) -> U, - | ^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Option::<T>::map` error[E0593]: function is expected to take 0 arguments, but it takes 1 argument --> $DIR/issue-47706.rs:27:9 diff --git a/src/test/ui/mismatched_types/issue-74918-missing-lifetime.stderr b/src/test/ui/mismatched_types/issue-74918-missing-lifetime.stderr index 94a9c97576f..b75c7a99fdd 100644 --- a/src/test/ui/mismatched_types/issue-74918-missing-lifetime.stderr +++ b/src/test/ui/mismatched_types/issue-74918-missing-lifetime.stderr @@ -14,11 +14,9 @@ error: `impl` item signature doesn't match `trait` item signature | LL | fn next(&mut self) -> Option<IteratorChunk<T, S>> { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ found `fn(&'1 mut ChunkingIterator<T, S>) -> Option<IteratorChunk<'1, T, S>>` + --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL | - ::: $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | fn next(&mut self) -> Option<Self::Item>; - | ----------------------------------------- expected `fn(&'1 mut ChunkingIterator<T, S>) -> Option<IteratorChunk<'static, T, S>>` + = note: expected `fn(&'1 mut ChunkingIterator<T, S>) -> Option<IteratorChunk<'static, T, S>>` | = note: expected `fn(&'1 mut ChunkingIterator<T, S>) -> Option<IteratorChunk<'static, T, S>>` found `fn(&'1 mut ChunkingIterator<T, S>) -> Option<IteratorChunk<'1, T, S>>` diff --git a/src/test/ui/mismatched_types/method-help-unsatisfied-bound.stderr b/src/test/ui/mismatched_types/method-help-unsatisfied-bound.stderr index c2515c40b1d..d3b7525072f 100644 --- a/src/test/ui/mismatched_types/method-help-unsatisfied-bound.stderr +++ b/src/test/ui/mismatched_types/method-help-unsatisfied-bound.stderr @@ -8,9 +8,6 @@ LL | a.unwrap(); = note: add `#[derive(Debug)]` to `Foo` or manually `impl Debug for Foo` note: required by a bound in `Result::<T, E>::unwrap` --> $SRC_DIR/core/src/result.rs:LL:COL - | -LL | E: fmt::Debug, - | ^^^^^^^^^^ required by this bound in `Result::<T, E>::unwrap` help: consider annotating `Foo` with `#[derive(Debug)]` | LL | #[derive(Debug)] diff --git a/src/test/ui/mismatched_types/similar_paths.stderr b/src/test/ui/mismatched_types/similar_paths.stderr index e65ae58d4ce..46a38332552 100644 --- a/src/test/ui/mismatched_types/similar_paths.stderr +++ b/src/test/ui/mismatched_types/similar_paths.stderr @@ -9,9 +9,6 @@ LL | Some(42_u8) = note: enum `std::option::Option` and enum `Option` have similar names, but are actually distinct types note: enum `std::option::Option` is defined in crate `core` --> $SRC_DIR/core/src/option.rs:LL:COL - | -LL | pub enum Option<T> { - | ^^^^^^^^^^^^^^^^^^ note: enum `Option` is defined in the current crate --> $DIR/similar_paths.rs:1:1 | diff --git a/src/test/ui/moves/issue-99470-move-out-of-some.stderr b/src/test/ui/moves/issue-99470-move-out-of-some.stderr index 6e4a4e5ba22..c5159471fe3 100644 --- a/src/test/ui/moves/issue-99470-move-out-of-some.stderr +++ b/src/test/ui/moves/issue-99470-move-out-of-some.stderr @@ -5,11 +5,16 @@ LL | match x { | ^ LL | LL | &Some(_y) => (), - | --------- - | | | - | | data moved here - | | move occurs because `_y` has type `Box<i32>`, which does not implement the `Copy` trait - | help: consider removing the `&`: `Some(_y)` + | -- + | | + | data moved here + | move occurs because `_y` has type `Box<i32>`, which does not implement the `Copy` trait + | +help: consider removing the borrow + | +LL - &Some(_y) => (), +LL + Some(_y) => (), + | error: aborting due to previous error diff --git a/src/test/ui/moves/move-fn-self-receiver.stderr b/src/test/ui/moves/move-fn-self-receiver.stderr index c13dc58826e..b3f95ee192a 100644 --- a/src/test/ui/moves/move-fn-self-receiver.stderr +++ b/src/test/ui/moves/move-fn-self-receiver.stderr @@ -6,11 +6,8 @@ LL | val.0.into_iter().next(); LL | val.0; | ^^^^^ value used here after move | -note: this function takes ownership of the receiver `self`, which moves `val.0` +note: `into_iter` takes ownership of the receiver `self`, which moves `val.0` --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL - | -LL | fn into_iter(self) -> Self::IntoIter; - | ^^^^ = note: move occurs because `val.0` has type `Vec<bool>`, which does not implement the `Copy` trait error[E0382]: use of moved value: `foo` @@ -23,7 +20,7 @@ LL | foo.use_self(); LL | foo; | ^^^ value used here after move | -note: this function takes ownership of the receiver `self`, which moves `foo` +note: `Foo::use_self` takes ownership of the receiver `self`, which moves `foo` --> $DIR/move-fn-self-receiver.rs:13:17 | LL | fn use_self(self) {} @@ -49,7 +46,7 @@ LL | boxed_foo.use_box_self(); LL | boxed_foo; | ^^^^^^^^^ value used here after move | -note: this function takes ownership of the receiver `self`, which moves `boxed_foo` +note: `Foo::use_box_self` takes ownership of the receiver `self`, which moves `boxed_foo` --> $DIR/move-fn-self-receiver.rs:14:21 | LL | fn use_box_self(self: Box<Self>) {} @@ -65,7 +62,7 @@ LL | pin_box_foo.use_pin_box_self(); LL | pin_box_foo; | ^^^^^^^^^^^ value used here after move | -note: this function takes ownership of the receiver `self`, which moves `pin_box_foo` +note: `Foo::use_pin_box_self` takes ownership of the receiver `self`, which moves `pin_box_foo` --> $DIR/move-fn-self-receiver.rs:15:25 | LL | fn use_pin_box_self(self: Pin<Box<Self>>) {} @@ -91,7 +88,7 @@ LL | rc_foo.use_rc_self(); LL | rc_foo; | ^^^^^^ value used here after move | -note: this function takes ownership of the receiver `self`, which moves `rc_foo` +note: `Foo::use_rc_self` takes ownership of the receiver `self`, which moves `rc_foo` --> $DIR/move-fn-self-receiver.rs:16:20 | LL | fn use_rc_self(self: Rc<Self>) {} @@ -113,9 +110,6 @@ LL | foo_add; | note: calling this operator moves the left-hand side --> $SRC_DIR/core/src/ops/arith.rs:LL:COL - | -LL | fn add(self, rhs: Rhs) -> Self::Output; - | ^^^^ error[E0382]: use of moved value: `implicit_into_iter` --> $DIR/move-fn-self-receiver.rs:63:5 @@ -157,7 +151,7 @@ LL | for _val in container.custom_into_iter() {} LL | container; | ^^^^^^^^^ value used here after move | -note: this function takes ownership of the receiver `self`, which moves `container` +note: `Container::custom_into_iter` takes ownership of the receiver `self`, which moves `container` --> $DIR/move-fn-self-receiver.rs:23:25 | LL | fn custom_into_iter(self) -> impl Iterator<Item = bool> { diff --git a/src/test/ui/moves/move-out-of-array-ref.stderr b/src/test/ui/moves/move-out-of-array-ref.stderr index 0caa0b83a4c..26d4996d6cb 100644 --- a/src/test/ui/moves/move-out-of-array-ref.stderr +++ b/src/test/ui/moves/move-out-of-array-ref.stderr @@ -2,45 +2,61 @@ error[E0508]: cannot move out of type `[D; 4]`, a non-copy array --> $DIR/move-out-of-array-ref.rs:8:24 | LL | let [_, e, _, _] = *a; - | - ^^ - | | | - | | cannot move out of here - | | help: consider borrowing here: `&*a` + | - ^^ cannot move out of here + | | | data moved here | move occurs because `e` has type `D`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - let [_, e, _, _] = *a; +LL + let [_, e, _, _] = a; + | error[E0508]: cannot move out of type `[D; 4]`, a non-copy array --> $DIR/move-out-of-array-ref.rs:13:27 | LL | let [_, s @ .. , _] = *a; - | - ^^ - | | | - | | cannot move out of here - | | help: consider borrowing here: `&*a` + | - ^^ cannot move out of here + | | | data moved here | move occurs because `s` has type `[D; 2]`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - let [_, s @ .. , _] = *a; +LL + let [_, s @ .. , _] = a; + | error[E0508]: cannot move out of type `[D; 4]`, a non-copy array --> $DIR/move-out-of-array-ref.rs:18:24 | LL | let [_, e, _, _] = *a; - | - ^^ - | | | - | | cannot move out of here - | | help: consider borrowing here: `&*a` + | - ^^ cannot move out of here + | | | data moved here | move occurs because `e` has type `D`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - let [_, e, _, _] = *a; +LL + let [_, e, _, _] = a; + | error[E0508]: cannot move out of type `[D; 4]`, a non-copy array --> $DIR/move-out-of-array-ref.rs:23:27 | LL | let [_, s @ .. , _] = *a; - | - ^^ - | | | - | | cannot move out of here - | | help: consider borrowing here: `&*a` + | - ^^ cannot move out of here + | | | data moved here | move occurs because `s` has type `[D; 2]`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - let [_, s @ .. , _] = *a; +LL + let [_, s @ .. , _] = a; + | error: aborting due to 4 previous errors diff --git a/src/test/ui/moves/move-out-of-slice-1.stderr b/src/test/ui/moves/move-out-of-slice-1.stderr index ce5ddb3e183..5a0357cf567 100644 --- a/src/test/ui/moves/move-out-of-slice-1.stderr +++ b/src/test/ui/moves/move-out-of-slice-1.stderr @@ -8,6 +8,11 @@ LL | box [a] => {}, | | | data moved here | move occurs because `a` has type `A`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | box [ref a] => {}, + | +++ error: aborting due to previous error diff --git a/src/test/ui/moves/move-out-of-slice-2.rs b/src/test/ui/moves/move-out-of-slice-2.rs index 59c02d42bf1..2f7394fbfd3 100644 --- a/src/test/ui/moves/move-out-of-slice-2.rs +++ b/src/test/ui/moves/move-out-of-slice-2.rs @@ -1,5 +1,6 @@ #![feature(unsized_locals)] //~^ WARN the feature `unsized_locals` is incomplete +#![allow(unused)] struct A; #[derive(Clone, Copy)] diff --git a/src/test/ui/moves/move-out-of-slice-2.stderr b/src/test/ui/moves/move-out-of-slice-2.stderr index 46357ce6f2e..b46854cd6b4 100644 --- a/src/test/ui/moves/move-out-of-slice-2.stderr +++ b/src/test/ui/moves/move-out-of-slice-2.stderr @@ -8,7 +8,7 @@ LL | #![feature(unsized_locals)] = note: `#[warn(incomplete_features)]` on by default error[E0508]: cannot move out of type `[A]`, a non-copy slice - --> $DIR/move-out-of-slice-2.rs:10:11 + --> $DIR/move-out-of-slice-2.rs:11:11 | LL | match *a { | ^^ cannot move out of here @@ -18,9 +18,14 @@ LL | [a @ ..] => {} | | | data moved here | move occurs because `a` has type `[A]`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | [ref a @ ..] => {} + | +++ error[E0508]: cannot move out of type `[A]`, a non-copy slice - --> $DIR/move-out-of-slice-2.rs:16:11 + --> $DIR/move-out-of-slice-2.rs:17:11 | LL | match *b { | ^^ cannot move out of here @@ -30,9 +35,14 @@ LL | [_, _, b @ .., _] => {} | | | data moved here | move occurs because `b` has type `[A]`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | [_, _, ref b @ .., _] => {} + | +++ error[E0508]: cannot move out of type `[C]`, a non-copy slice - --> $DIR/move-out-of-slice-2.rs:24:11 + --> $DIR/move-out-of-slice-2.rs:25:11 | LL | match *c { | ^^ cannot move out of here @@ -42,9 +52,14 @@ LL | [c @ ..] => {} | | | data moved here | move occurs because `c` has type `[C]`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | [ref c @ ..] => {} + | +++ error[E0508]: cannot move out of type `[C]`, a non-copy slice - --> $DIR/move-out-of-slice-2.rs:30:11 + --> $DIR/move-out-of-slice-2.rs:31:11 | LL | match *d { | ^^ cannot move out of here @@ -54,6 +69,11 @@ LL | [_, _, d @ .., _] => {} | | | data moved here | move occurs because `d` has type `[C]`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | [_, _, ref d @ .., _] => {} + | +++ error: aborting due to 4 previous errors; 1 warning emitted diff --git a/src/test/ui/moves/moves-based-on-type-access-to-field.stderr b/src/test/ui/moves/moves-based-on-type-access-to-field.stderr index a49ee31b466..0b1a623a013 100644 --- a/src/test/ui/moves/moves-based-on-type-access-to-field.stderr +++ b/src/test/ui/moves/moves-based-on-type-access-to-field.stderr @@ -8,11 +8,8 @@ LL | consume(x.into_iter().next().unwrap()); LL | touch(&x[0]); | ^ value borrowed here after move | -note: this function takes ownership of the receiver `self`, which moves `x` +note: `into_iter` takes ownership of the receiver `self`, which moves `x` --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL - | -LL | fn into_iter(self) -> Self::IntoIter; - | ^^^^ help: consider cloning the value if the performance cost is acceptable | LL | consume(x.clone().into_iter().next().unwrap()); diff --git a/src/test/ui/moves/moves-based-on-type-block-bad.stderr b/src/test/ui/moves/moves-based-on-type-block-bad.stderr index 5ed91a0d559..df09ababa5a 100644 --- a/src/test/ui/moves/moves-based-on-type-block-bad.stderr +++ b/src/test/ui/moves/moves-based-on-type-block-bad.stderr @@ -2,13 +2,18 @@ error[E0507]: cannot move out of `hellothere.x` as enum variant `Bar` which is b --> $DIR/moves-based-on-type-block-bad.rs:22:19 | LL | match hellothere.x { - | ^^^^^^^^^^^^ help: consider borrowing here: `&hellothere.x` + | ^^^^^^^^^^^^ LL | box E::Foo(_) => {} LL | box E::Bar(x) => println!("{}", x.to_string()), | - | | | data moved here | move occurs because `x` has type `Box<isize>`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | match &hellothere.x { + | + error: aborting due to previous error diff --git a/src/test/ui/moves/moves-based-on-type-exprs.stderr b/src/test/ui/moves/moves-based-on-type-exprs.stderr index 838b1282cb4..ae76889f104 100644 --- a/src/test/ui/moves/moves-based-on-type-exprs.stderr +++ b/src/test/ui/moves/moves-based-on-type-exprs.stderr @@ -160,11 +160,8 @@ LL | let _y = x.into_iter().next().unwrap(); LL | touch(&x); | ^^ value borrowed here after move | -note: this function takes ownership of the receiver `self`, which moves `x` +note: `into_iter` takes ownership of the receiver `self`, which moves `x` --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL - | -LL | fn into_iter(self) -> Self::IntoIter; - | ^^^^ help: consider cloning the value if the performance cost is acceptable | LL | let _y = x.clone().into_iter().next().unwrap(); @@ -180,11 +177,8 @@ LL | let _y = [x.into_iter().next().unwrap(); 1]; LL | touch(&x); | ^^ value borrowed here after move | -note: this function takes ownership of the receiver `self`, which moves `x` +note: `into_iter` takes ownership of the receiver `self`, which moves `x` --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL - | -LL | fn into_iter(self) -> Self::IntoIter; - | ^^^^ help: consider cloning the value if the performance cost is acceptable | LL | let _y = [x.clone().into_iter().next().unwrap(); 1]; diff --git a/src/test/ui/never_type/issue-52443.stderr b/src/test/ui/never_type/issue-52443.stderr index 0910e9ad77a..de5c9c56016 100644 --- a/src/test/ui/never_type/issue-52443.stderr +++ b/src/test/ui/never_type/issue-52443.stderr @@ -46,9 +46,6 @@ LL | [(); { for _ in 0usize.. {}; 0}]; | note: impl defined here, but it is not `const` --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL - | -LL | impl<I: Iterator> const IntoIterator for I { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: calls in constants are limited to constant functions, tuple structs and tuple variants error[E0658]: mutable references are not allowed in constants diff --git a/src/test/ui/never_type/issue-96335.stderr b/src/test/ui/never_type/issue-96335.stderr index 168cf2f8353..e148b983e8e 100644 --- a/src/test/ui/never_type/issue-96335.stderr +++ b/src/test/ui/never_type/issue-96335.stderr @@ -26,9 +26,6 @@ LL | 0.....{loop{}1}; found struct `RangeTo<{integer}>` note: associated function defined here --> $SRC_DIR/core/src/ops/range.rs:LL:COL - | -LL | pub const fn new(start: Idx, end: Idx) -> Self { - | ^^^ error: aborting due to 2 previous errors diff --git a/src/test/ui/nll/cannot-move-block-spans.stderr b/src/test/ui/nll/cannot-move-block-spans.stderr index 56a5cdff073..0dc5c08ea5f 100644 --- a/src/test/ui/nll/cannot-move-block-spans.stderr +++ b/src/test/ui/nll/cannot-move-block-spans.stderr @@ -2,28 +2,37 @@ error[E0507]: cannot move out of `*r` which is behind a shared reference --> $DIR/cannot-move-block-spans.rs:5:15 | LL | let x = { *r }; - | ^^ - | | - | move occurs because `*r` has type `String`, which does not implement the `Copy` trait - | help: consider borrowing here: `&*r` + | ^^ move occurs because `*r` has type `String`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - let x = { *r }; +LL + let x = { r }; + | error[E0507]: cannot move out of `*r` which is behind a shared reference --> $DIR/cannot-move-block-spans.rs:6:22 | LL | let y = unsafe { *r }; - | ^^ - | | - | move occurs because `*r` has type `String`, which does not implement the `Copy` trait - | help: consider borrowing here: `&*r` + | ^^ move occurs because `*r` has type `String`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - let y = unsafe { *r }; +LL + let y = unsafe { r }; + | error[E0507]: cannot move out of `*r` which is behind a shared reference --> $DIR/cannot-move-block-spans.rs:7:26 | LL | let z = loop { break *r; }; - | ^^ - | | - | move occurs because `*r` has type `String`, which does not implement the `Copy` trait - | help: consider borrowing here: `&*r` + | ^^ move occurs because `*r` has type `String`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - let z = loop { break *r; }; +LL + let z = loop { break r; }; + | error[E0508]: cannot move out of type `[String; 2]`, a non-copy array --> $DIR/cannot-move-block-spans.rs:11:15 @@ -33,7 +42,11 @@ LL | let x = { arr[0] }; | | | cannot move out of here | move occurs because `arr[_]` has type `String`, which does not implement the `Copy` trait - | help: consider borrowing here: `&arr[0]` + | +help: consider borrowing here + | +LL | let x = { &arr[0] }; + | + error[E0508]: cannot move out of type `[String; 2]`, a non-copy array --> $DIR/cannot-move-block-spans.rs:12:22 @@ -43,7 +56,11 @@ LL | let y = unsafe { arr[0] }; | | | cannot move out of here | move occurs because `arr[_]` has type `String`, which does not implement the `Copy` trait - | help: consider borrowing here: `&arr[0]` + | +help: consider borrowing here + | +LL | let y = unsafe { &arr[0] }; + | + error[E0508]: cannot move out of type `[String; 2]`, a non-copy array --> $DIR/cannot-move-block-spans.rs:13:26 @@ -53,34 +70,47 @@ LL | let z = loop { break arr[0]; }; | | | cannot move out of here | move occurs because `arr[_]` has type `String`, which does not implement the `Copy` trait - | help: consider borrowing here: `&arr[0]` + | +help: consider borrowing here + | +LL | let z = loop { break &arr[0]; }; + | + error[E0507]: cannot move out of `*r` which is behind a shared reference --> $DIR/cannot-move-block-spans.rs:17:38 | LL | let x = { let mut u = 0; u += 1; *r }; - | ^^ - | | - | move occurs because `*r` has type `String`, which does not implement the `Copy` trait - | help: consider borrowing here: `&*r` + | ^^ move occurs because `*r` has type `String`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - let x = { let mut u = 0; u += 1; *r }; +LL + let x = { let mut u = 0; u += 1; r }; + | error[E0507]: cannot move out of `*r` which is behind a shared reference --> $DIR/cannot-move-block-spans.rs:18:45 | LL | let y = unsafe { let mut u = 0; u += 1; *r }; - | ^^ - | | - | move occurs because `*r` has type `String`, which does not implement the `Copy` trait - | help: consider borrowing here: `&*r` + | ^^ move occurs because `*r` has type `String`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - let y = unsafe { let mut u = 0; u += 1; *r }; +LL + let y = unsafe { let mut u = 0; u += 1; r }; + | error[E0507]: cannot move out of `*r` which is behind a shared reference --> $DIR/cannot-move-block-spans.rs:19:49 | LL | let z = loop { let mut u = 0; u += 1; break *r; u += 2; }; - | ^^ - | | - | move occurs because `*r` has type `String`, which does not implement the `Copy` trait - | help: consider borrowing here: `&*r` + | ^^ move occurs because `*r` has type `String`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - let z = loop { let mut u = 0; u += 1; break *r; u += 2; }; +LL + let z = loop { let mut u = 0; u += 1; break r; u += 2; }; + | error: aborting due to 9 previous errors diff --git a/src/test/ui/nll/issue-52059-report-when-borrow-and-drop-conflict.stderr b/src/test/ui/nll/issue-52059-report-when-borrow-and-drop-conflict.stderr index c0a17a67ee2..7f9cbc3c30a 100644 --- a/src/test/ui/nll/issue-52059-report-when-borrow-and-drop-conflict.stderr +++ b/src/test/ui/nll/issue-52059-report-when-borrow-and-drop-conflict.stderr @@ -36,7 +36,11 @@ LL | let p = s.url; p | | | cannot move out of here | move occurs because `s.url` has type `&mut String`, which does not implement the `Copy` trait - | help: consider borrowing here: `&s.url` + | +help: consider borrowing here + | +LL | let p = &s.url; p + | + error: aborting due to 4 previous errors diff --git a/src/test/ui/nll/move-errors.stderr b/src/test/ui/nll/move-errors.stderr index b03fcf70bab..58b8aa31d4c 100644 --- a/src/test/ui/nll/move-errors.stderr +++ b/src/test/ui/nll/move-errors.stderr @@ -2,10 +2,13 @@ error[E0507]: cannot move out of `*a` which is behind a shared reference --> $DIR/move-errors.rs:6:13 | LL | let b = *a; - | ^^ - | | - | move occurs because `*a` has type `A`, which does not implement the `Copy` trait - | help: consider borrowing here: `&*a` + | ^^ move occurs because `*a` has type `A`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - let b = *a; +LL + let b = a; + | error[E0508]: cannot move out of type `[A; 1]`, a non-copy array --> $DIR/move-errors.rs:12:13 @@ -15,25 +18,35 @@ LL | let b = a[0]; | | | cannot move out of here | move occurs because `a[_]` has type `A`, which does not implement the `Copy` trait - | help: consider borrowing here: `&a[0]` + | +help: consider borrowing here + | +LL | let b = &a[0]; + | + error[E0507]: cannot move out of `**r` which is behind a shared reference --> $DIR/move-errors.rs:19:13 | LL | let s = **r; - | ^^^ - | | - | move occurs because `**r` has type `A`, which does not implement the `Copy` trait - | help: consider borrowing here: `&**r` + | ^^^ move occurs because `**r` has type `A`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - let s = **r; +LL + let s = *r; + | error[E0507]: cannot move out of an `Rc` --> $DIR/move-errors.rs:27:13 | LL | let s = *r; - | ^^ - | | - | move occurs because value has type `A`, which does not implement the `Copy` trait - | help: consider borrowing here: `&*r` + | ^^ move occurs because value has type `A`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - let s = *r; +LL + let s = r; + | error[E0508]: cannot move out of type `[A; 1]`, a non-copy array --> $DIR/move-errors.rs:32:13 @@ -43,16 +56,26 @@ LL | let a = [A("".to_string())][0]; | | | cannot move out of here | move occurs because value has type `A`, which does not implement the `Copy` trait - | help: consider borrowing here: `&[A("".to_string())][0]` + | +help: consider borrowing here + | +LL | let a = &[A("".to_string())][0]; + | + error[E0507]: cannot move out of `a` which is behind a shared reference --> $DIR/move-errors.rs:38:16 | LL | let A(s) = *a; - | - ^^ help: consider borrowing here: `&*a` + | - ^^ | | | data moved here | move occurs because `s` has type `String`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - let A(s) = *a; +LL + let A(s) = a; + | error[E0509]: cannot move out of type `D`, which implements the `Drop` trait --> $DIR/move-errors.rs:44:19 @@ -62,6 +85,11 @@ LL | let C(D(s)) = c; | | | data moved here | move occurs because `s` has type `String`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | let C(D(ref s)) = c; + | +++ error[E0507]: cannot move out of `*a` which is behind a shared reference --> $DIR/move-errors.rs:51:9 @@ -73,10 +101,7 @@ error[E0508]: cannot move out of type `[B; 1]`, a non-copy array --> $DIR/move-errors.rs:74:11 | LL | match x[0] { - | ^^^^ - | | - | cannot move out of here - | help: consider borrowing here: `&x[0]` + | ^^^^ cannot move out of here LL | LL | B::U(d) => (), | - data moved here @@ -84,6 +109,10 @@ LL | B::V(s) => (), | - ...and here | = note: move occurs because these variables have types that don't implement the `Copy` trait +help: consider borrowing here + | +LL | match &x[0] { + | + error[E0509]: cannot move out of type `D`, which implements the `Drop` trait --> $DIR/move-errors.rs:83:11 @@ -96,6 +125,11 @@ LL | B::U(D(s)) => (), | | | data moved here | move occurs because `s` has type `String`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | B::U(D(ref s)) => (), + | +++ error[E0509]: cannot move out of type `D`, which implements the `Drop` trait --> $DIR/move-errors.rs:92:11 @@ -108,6 +142,11 @@ LL | (D(s), &t) => (), | | | data moved here | move occurs because `s` has type `String`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | (D(ref s), &t) => (), + | +++ error[E0507]: cannot move out of `*x.1` which is behind a shared reference --> $DIR/move-errors.rs:92:11 @@ -120,6 +159,11 @@ LL | (D(s), &t) => (), | | | data moved here | move occurs because `t` has type `String`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | (D(s), &ref t) => (), + | +++ error[E0509]: cannot move out of type `F`, which implements the `Drop` trait --> $DIR/move-errors.rs:102:11 @@ -133,18 +177,32 @@ LL | F(s, mut t) => (), | data moved here | = note: move occurs because these variables have types that don't implement the `Copy` trait +help: consider borrowing the pattern binding + | +LL | F(ref s, mut t) => (), + | +++ +help: consider borrowing the pattern binding + | +LL | F(s, ref mut t) => (), + | +++ error[E0507]: cannot move out of `x` as enum variant `Err` which is behind a shared reference --> $DIR/move-errors.rs:110:11 | LL | match *x { - | ^^ help: consider borrowing here: `&*x` + | ^^ LL | LL | Ok(s) | Err(s) => (), | - | | | data moved here | move occurs because `s` has type `String`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - match *x { +LL + match x { + | error: aborting due to 14 previous errors diff --git a/src/test/ui/no-capture-arc.stderr b/src/test/ui/no-capture-arc.stderr index 9ae41e78c22..296e1fb3f26 100644 --- a/src/test/ui/no-capture-arc.stderr +++ b/src/test/ui/no-capture-arc.stderr @@ -13,11 +13,6 @@ LL | assert_eq!((*arc_v)[2], 3); | ^^^^^^^^ value borrowed here after move | = note: borrow occurs due to deref coercion to `Vec<i32>` -note: deref defined here - --> $SRC_DIR/alloc/src/sync.rs:LL:COL - | -LL | type Target = T; - | ^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/no-reuse-move-arc.stderr b/src/test/ui/no-reuse-move-arc.stderr index 564b0585474..bcd481c33f3 100644 --- a/src/test/ui/no-reuse-move-arc.stderr +++ b/src/test/ui/no-reuse-move-arc.stderr @@ -13,11 +13,6 @@ LL | assert_eq!((*arc_v)[2], 3); | ^^^^^^^^ value borrowed here after move | = note: borrow occurs due to deref coercion to `Vec<i32>` -note: deref defined here - --> $SRC_DIR/alloc/src/sync.rs:LL:COL - | -LL | type Target = T; - | ^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/no-send-res-ports.stderr b/src/test/ui/no-send-res-ports.stderr index c864b93dbbb..75561f4119a 100644 --- a/src/test/ui/no-send-res-ports.stderr +++ b/src/test/ui/no-send-res-ports.stderr @@ -31,9 +31,6 @@ LL | thread::spawn(move|| { | ^^^^^^ note: required by a bound in `spawn` --> $SRC_DIR/std/src/thread/mod.rs:LL:COL - | -LL | F: Send + 'static, - | ^^^^ required by this bound in `spawn` error: aborting due to previous error diff --git a/src/test/ui/on-unimplemented/sum.stderr b/src/test/ui/on-unimplemented/sum.stderr index 70706541ad6..2a316dba778 100644 --- a/src/test/ui/on-unimplemented/sum.stderr +++ b/src/test/ui/on-unimplemented/sum.stderr @@ -17,9 +17,6 @@ LL | vec![(), ()].iter().sum::<i32>(); | this expression has type `Vec<()>` note: required by a bound in `std::iter::Iterator::sum` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | S: Sum<Self::Item>, - | ^^^^^^^^^^^^^^^ required by this bound in `Iterator::sum` error[E0277]: a value of type `i32` cannot be made by multiplying all elements of type `&()` from an iterator --> $DIR/sum.rs:7:25 @@ -40,9 +37,6 @@ LL | vec![(), ()].iter().product::<i32>(); | this expression has type `Vec<()>` note: required by a bound in `std::iter::Iterator::product` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | P: Product<Self::Item>, - | ^^^^^^^^^^^^^^^^^^^ required by this bound in `Iterator::product` error: aborting due to 2 previous errors diff --git a/src/test/ui/or-patterns/or-patterns-syntactic-fail.stderr b/src/test/ui/or-patterns/or-patterns-syntactic-fail.stderr index 920720a4f53..10d42b7e3c0 100644 --- a/src/test/ui/or-patterns/or-patterns-syntactic-fail.stderr +++ b/src/test/ui/or-patterns/or-patterns-syntactic-fail.stderr @@ -35,11 +35,8 @@ note: an implementation of `BitOr<_>` might be missing for `E` | LL | enum E { A, B } | ^^^^^^ must implement `BitOr<_>` -note: the following trait must be implemented +note: the trait `BitOr` must be implemented --> $SRC_DIR/core/src/ops/bit.rs:LL:COL - | -LL | pub trait BitOr<Rhs = Self> { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to 5 previous errors diff --git a/src/test/ui/overloaded/overloaded-calls-nontuple.stderr b/src/test/ui/overloaded/overloaded-calls-nontuple.stderr index 794535aeb11..2e160078259 100644 --- a/src/test/ui/overloaded/overloaded-calls-nontuple.stderr +++ b/src/test/ui/overloaded/overloaded-calls-nontuple.stderr @@ -6,9 +6,6 @@ LL | impl FnMut<isize> for S { | note: required by a bound in `FnMut` --> $SRC_DIR/core/src/ops/function.rs:LL:COL - | -LL | pub trait FnMut<Args: Tuple>: FnOnce<Args> { - | ^^^^^ required by this bound in `FnMut` error[E0059]: type parameter to bare `FnOnce` trait must be a tuple --> $DIR/overloaded-calls-nontuple.rs:18:6 @@ -18,9 +15,6 @@ LL | impl FnOnce<isize> for S { | note: required by a bound in `FnOnce` --> $SRC_DIR/core/src/ops/function.rs:LL:COL - | -LL | pub trait FnOnce<Args: Tuple> { - | ^^^^^ required by this bound in `FnOnce` error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument --> $DIR/overloaded-calls-nontuple.rs:12:5 diff --git a/src/test/ui/parser/issues/issue-62894.stderr b/src/test/ui/parser/issues/issue-62894.stderr index ae89926914e..07a203bf416 100644 --- a/src/test/ui/parser/issues/issue-62894.stderr +++ b/src/test/ui/parser/issues/issue-62894.stderr @@ -42,11 +42,9 @@ LL | fn f() { assert_eq!(f(), (), assert_eq!(assert_eq! LL | LL | fn main() {} | ^^ unexpected token + --> $SRC_DIR/core/src/macros/mod.rs:LL:COL | - ::: $SRC_DIR/core/src/macros/mod.rs:LL:COL - | -LL | ($left:expr, $right:expr $(,)?) => { - | ---------- while parsing argument for this `expr` macro fragment + = note: while parsing argument for this `expr` macro fragment error: aborting due to 4 previous errors diff --git a/src/test/ui/parser/kw-in-trait-bounds.stderr b/src/test/ui/parser/kw-in-trait-bounds.stderr index 546ad84eeee..79643660e8b 100644 --- a/src/test/ui/parser/kw-in-trait-bounds.stderr +++ b/src/test/ui/parser/kw-in-trait-bounds.stderr @@ -91,44 +91,36 @@ error[E0405]: cannot find trait `r#fn` in this scope | LL | fn _f<F: fn(), G>(_: impl fn(), _: &dyn fn()) | ^^ help: a trait with a similar name exists (notice the capitalization): `Fn` + --> $SRC_DIR/core/src/ops/function.rs:LL:COL | - ::: $SRC_DIR/core/src/ops/function.rs:LL:COL - | -LL | pub trait Fn<Args: Tuple>: FnMut<Args> { - | -------------------------------------- similarly named trait `Fn` defined here + = note: similarly named trait `Fn` defined here error[E0405]: cannot find trait `r#fn` in this scope --> $DIR/kw-in-trait-bounds.rs:17:4 | LL | G: fn(), | ^^ help: a trait with a similar name exists (notice the capitalization): `Fn` + --> $SRC_DIR/core/src/ops/function.rs:LL:COL | - ::: $SRC_DIR/core/src/ops/function.rs:LL:COL - | -LL | pub trait Fn<Args: Tuple>: FnMut<Args> { - | -------------------------------------- similarly named trait `Fn` defined here + = note: similarly named trait `Fn` defined here error[E0405]: cannot find trait `r#fn` in this scope --> $DIR/kw-in-trait-bounds.rs:3:27 | LL | fn _f<F: fn(), G>(_: impl fn(), _: &dyn fn()) | ^^ help: a trait with a similar name exists (notice the capitalization): `Fn` + --> $SRC_DIR/core/src/ops/function.rs:LL:COL | - ::: $SRC_DIR/core/src/ops/function.rs:LL:COL - | -LL | pub trait Fn<Args: Tuple>: FnMut<Args> { - | -------------------------------------- similarly named trait `Fn` defined here + = note: similarly named trait `Fn` defined here error[E0405]: cannot find trait `r#fn` in this scope --> $DIR/kw-in-trait-bounds.rs:3:41 | LL | fn _f<F: fn(), G>(_: impl fn(), _: &dyn fn()) | ^^ help: a trait with a similar name exists (notice the capitalization): `Fn` + --> $SRC_DIR/core/src/ops/function.rs:LL:COL | - ::: $SRC_DIR/core/src/ops/function.rs:LL:COL - | -LL | pub trait Fn<Args: Tuple>: FnMut<Args> { - | -------------------------------------- similarly named trait `Fn` defined here + = note: similarly named trait `Fn` defined here error[E0405]: cannot find trait `r#struct` in this scope --> $DIR/kw-in-trait-bounds.rs:24:10 diff --git a/src/test/ui/pattern/move-ref-patterns/move-ref-patterns-default-binding-modes-fixable.fixed b/src/test/ui/pattern/move-ref-patterns/move-ref-patterns-default-binding-modes-fixable.fixed new file mode 100644 index 00000000000..5f04fc83d37 --- /dev/null +++ b/src/test/ui/pattern/move-ref-patterns/move-ref-patterns-default-binding-modes-fixable.fixed @@ -0,0 +1,12 @@ +// run-rustfix +#![allow(unused_variables)] +fn main() { + struct U; + + // A tuple is a "non-reference pattern". + // A `mut` binding pattern resets the binding mode to by-value. + + let mut p = (U, U); + let (a, ref mut b) = &mut p; + //~^ ERROR cannot move out of a mutable reference +} diff --git a/src/test/ui/pattern/move-ref-patterns/move-ref-patterns-default-binding-modes-fixable.rs b/src/test/ui/pattern/move-ref-patterns/move-ref-patterns-default-binding-modes-fixable.rs new file mode 100644 index 00000000000..5dc1ae2feb5 --- /dev/null +++ b/src/test/ui/pattern/move-ref-patterns/move-ref-patterns-default-binding-modes-fixable.rs @@ -0,0 +1,12 @@ +// run-rustfix +#![allow(unused_variables)] +fn main() { + struct U; + + // A tuple is a "non-reference pattern". + // A `mut` binding pattern resets the binding mode to by-value. + + let mut p = (U, U); + let (a, mut b) = &mut p; + //~^ ERROR cannot move out of a mutable reference +} diff --git a/src/test/ui/pattern/move-ref-patterns/move-ref-patterns-default-binding-modes-fixable.stderr b/src/test/ui/pattern/move-ref-patterns/move-ref-patterns-default-binding-modes-fixable.stderr new file mode 100644 index 00000000000..d3ab533e35e --- /dev/null +++ b/src/test/ui/pattern/move-ref-patterns/move-ref-patterns-default-binding-modes-fixable.stderr @@ -0,0 +1,17 @@ +error[E0507]: cannot move out of a mutable reference + --> $DIR/move-ref-patterns-default-binding-modes-fixable.rs:10:22 + | +LL | let (a, mut b) = &mut p; + | ----- ^^^^^^ + | | + | data moved here + | move occurs because `b` has type `U`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | let (a, ref mut b) = &mut p; + | +++ + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0507`. diff --git a/src/test/ui/pattern/move-ref-patterns/move-ref-patterns-default-binding-modes.rs b/src/test/ui/pattern/move-ref-patterns/move-ref-patterns-default-binding-modes.rs index 1dd66aad57a..6c913c24513 100644 --- a/src/test/ui/pattern/move-ref-patterns/move-ref-patterns-default-binding-modes.rs +++ b/src/test/ui/pattern/move-ref-patterns/move-ref-patterns-default-binding-modes.rs @@ -7,8 +7,4 @@ fn main() { let p = (U, U); let (a, mut b) = &p; //~^ ERROR cannot move out of a shared reference - - let mut p = (U, U); - let (a, mut b) = &mut p; - //~^ ERROR cannot move out of a mutable reference } diff --git a/src/test/ui/pattern/move-ref-patterns/move-ref-patterns-default-binding-modes.stderr b/src/test/ui/pattern/move-ref-patterns/move-ref-patterns-default-binding-modes.stderr index 6952c743a30..65030b62250 100644 --- a/src/test/ui/pattern/move-ref-patterns/move-ref-patterns-default-binding-modes.stderr +++ b/src/test/ui/pattern/move-ref-patterns/move-ref-patterns-default-binding-modes.stderr @@ -6,16 +6,12 @@ LL | let (a, mut b) = &p; | | | data moved here | move occurs because `b` has type `U`, which does not implement the `Copy` trait - -error[E0507]: cannot move out of a mutable reference - --> $DIR/move-ref-patterns-default-binding-modes.rs:12:22 | -LL | let (a, mut b) = &mut p; - | ----- ^^^^^^ - | | - | data moved here - | move occurs because `b` has type `U`, which does not implement the `Copy` trait +help: consider borrowing the pattern binding + | +LL | let (a, ref mut b) = &p; + | +++ -error: aborting due to 2 previous errors +error: aborting due to previous error For more information about this error, try `rustc --explain E0507`. diff --git a/src/test/ui/pattern/suggest-adding-appropriate-missing-pattern-excluding-comments.stderr b/src/test/ui/pattern/suggest-adding-appropriate-missing-pattern-excluding-comments.stderr index f3dca9bcb07..2a016048f2f 100644 --- a/src/test/ui/pattern/suggest-adding-appropriate-missing-pattern-excluding-comments.stderr +++ b/src/test/ui/pattern/suggest-adding-appropriate-missing-pattern-excluding-comments.stderr @@ -6,12 +6,9 @@ LL | match Some(1) { | note: `Option<i32>` defined here --> $SRC_DIR/core/src/option.rs:LL:COL + ::: $SRC_DIR/core/src/option.rs:LL:COL | -LL | pub enum Option<T> { - | ------------------ -... -LL | None, - | ^^^^ not covered + = note: not covered = note: the matched value is of type `Option<i32>` help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | diff --git a/src/test/ui/pattern/usefulness/doc-hidden-non-exhaustive.stderr b/src/test/ui/pattern/usefulness/doc-hidden-non-exhaustive.stderr index b450a9aeddf..17e1a2304a1 100644 --- a/src/test/ui/pattern/usefulness/doc-hidden-non-exhaustive.stderr +++ b/src/test/ui/pattern/usefulness/doc-hidden-non-exhaustive.stderr @@ -66,12 +66,9 @@ LL | match None { | note: `Option<HiddenEnum>` defined here --> $SRC_DIR/core/src/option.rs:LL:COL + ::: $SRC_DIR/core/src/option.rs:LL:COL | -LL | pub enum Option<T> { - | ------------------ -... -LL | Some(#[stable(feature = "rust1", since = "1.0.0")] T), - | ^^^^ not covered + = note: not covered = note: the matched value is of type `Option<HiddenEnum>` help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern, a match arm with multiple or-patterns as shown, or multiple match arms | diff --git a/src/test/ui/pattern/usefulness/issue-35609.stderr b/src/test/ui/pattern/usefulness/issue-35609.stderr index c9781d52e6d..12113957d63 100644 --- a/src/test/ui/pattern/usefulness/issue-35609.stderr +++ b/src/test/ui/pattern/usefulness/issue-35609.stderr @@ -107,9 +107,6 @@ LL | match Some(A) { | note: `Option<Enum>` defined here --> $SRC_DIR/core/src/option.rs:LL:COL - | -LL | pub enum Option<T> { - | ^^^^^^^^^^^^^^^^^^ = note: the matched value is of type `Option<Enum>` help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown, or multiple match arms | diff --git a/src/test/ui/pattern/usefulness/issue-3601.stderr b/src/test/ui/pattern/usefulness/issue-3601.stderr index eb8c63919b6..59d7bcd4b5e 100644 --- a/src/test/ui/pattern/usefulness/issue-3601.stderr +++ b/src/test/ui/pattern/usefulness/issue-3601.stderr @@ -6,12 +6,6 @@ LL | box NodeKind::Element(ed) => match ed.kind { | note: `Box<ElementKind>` defined here --> $SRC_DIR/alloc/src/boxed.rs:LL:COL - | -LL | / pub struct Box< -LL | | T: ?Sized, -LL | | #[unstable(feature = "allocator_api", issue = "32838")] A: Allocator = Global, -LL | | >(Unique<T>, A); - | |_^ = note: the matched value is of type `Box<ElementKind>` help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | diff --git a/src/test/ui/pattern/usefulness/match-arm-statics-2.stderr b/src/test/ui/pattern/usefulness/match-arm-statics-2.stderr index b0d7fe5eb68..e4dd35a5995 100644 --- a/src/test/ui/pattern/usefulness/match-arm-statics-2.stderr +++ b/src/test/ui/pattern/usefulness/match-arm-statics-2.stderr @@ -19,15 +19,11 @@ LL | match Some(Some(North)) { | note: `Option<Option<Direction>>` defined here --> $SRC_DIR/core/src/option.rs:LL:COL + ::: $SRC_DIR/core/src/option.rs:LL:COL | -LL | pub enum Option<T> { - | ------------------ -... -LL | Some(#[stable(feature = "rust1", since = "1.0.0")] T), - | ^^^^ - | | - | not covered - | not covered + = note: not covered + | + = note: not covered = note: the matched value is of type `Option<Option<Direction>>` help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | diff --git a/src/test/ui/pattern/usefulness/match-privately-empty.stderr b/src/test/ui/pattern/usefulness/match-privately-empty.stderr index 4607cfaae17..86f75d15cfd 100644 --- a/src/test/ui/pattern/usefulness/match-privately-empty.stderr +++ b/src/test/ui/pattern/usefulness/match-privately-empty.stderr @@ -6,12 +6,9 @@ LL | match private::DATA { | note: `Option<Private>` defined here --> $SRC_DIR/core/src/option.rs:LL:COL + ::: $SRC_DIR/core/src/option.rs:LL:COL | -LL | pub enum Option<T> { - | ------------------ -... -LL | Some(#[stable(feature = "rust1", since = "1.0.0")] T), - | ^^^^ not covered + = note: not covered = note: the matched value is of type `Option<Private>` help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | diff --git a/src/test/ui/pattern/usefulness/non-exhaustive-match.stderr b/src/test/ui/pattern/usefulness/non-exhaustive-match.stderr index 4234600d0d0..e2260f50bfe 100644 --- a/src/test/ui/pattern/usefulness/non-exhaustive-match.stderr +++ b/src/test/ui/pattern/usefulness/non-exhaustive-match.stderr @@ -36,12 +36,9 @@ LL | match Some(10) { | note: `Option<i32>` defined here --> $SRC_DIR/core/src/option.rs:LL:COL + ::: $SRC_DIR/core/src/option.rs:LL:COL | -LL | pub enum Option<T> { - | ------------------ -... -LL | Some(#[stable(feature = "rust1", since = "1.0.0")] T), - | ^^^^ not covered + = note: not covered = note: the matched value is of type `Option<i32>` help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | diff --git a/src/test/ui/privacy/associated-item-privacy-trait.rs b/src/test/ui/privacy/associated-item-privacy-trait.rs index ad9a5e15c4e..c686a21772e 100644 --- a/src/test/ui/privacy/associated-item-privacy-trait.rs +++ b/src/test/ui/privacy/associated-item-privacy-trait.rs @@ -19,9 +19,9 @@ mod priv_trait { Pub.method(); //~^ ERROR type `for<'a> fn(&'a Self) {<Self as PrivTr>::method}` is private <Pub as PrivTr>::CONST; - //~^ ERROR associated constant `<Pub as PrivTr>::CONST` is private + //~^ ERROR associated constant `PrivTr::CONST` is private let _: <Pub as PrivTr>::AssocTy; - //~^ ERROR associated type `<Pub as PrivTr>::AssocTy` is private + //~^ ERROR associated type `PrivTr::AssocTy` is private pub type InSignatureTy = <Pub as PrivTr>::AssocTy; //~^ ERROR trait `PrivTr` is private pub trait InSignatureTr: PrivTr {} diff --git a/src/test/ui/privacy/associated-item-privacy-trait.stderr b/src/test/ui/privacy/associated-item-privacy-trait.stderr index c4be1a9d9a2..eb905bf7ef8 100644 --- a/src/test/ui/privacy/associated-item-privacy-trait.stderr +++ b/src/test/ui/privacy/associated-item-privacy-trait.stderr @@ -31,7 +31,7 @@ LL | priv_trait::mac!(); | = note: this error originates in the macro `priv_trait::mac` (in Nightly builds, run with -Z macro-backtrace for more info) -error: associated constant `<Pub as PrivTr>::CONST` is private +error: associated constant `PrivTr::CONST` is private --> $DIR/associated-item-privacy-trait.rs:21:9 | LL | <Pub as PrivTr>::CONST; @@ -42,7 +42,7 @@ LL | priv_trait::mac!(); | = note: this error originates in the macro `priv_trait::mac` (in Nightly builds, run with -Z macro-backtrace for more info) -error: associated type `<Pub as PrivTr>::AssocTy` is private +error: associated type `PrivTr::AssocTy` is private --> $DIR/associated-item-privacy-trait.rs:23:16 | LL | let _: <Pub as PrivTr>::AssocTy; diff --git a/src/test/ui/privacy/private-inferred-type-3.rs b/src/test/ui/privacy/private-inferred-type-3.rs index 0337aedd008..cdbdcf60b2c 100644 --- a/src/test/ui/privacy/private-inferred-type-3.rs +++ b/src/test/ui/privacy/private-inferred-type-3.rs @@ -1,7 +1,7 @@ // aux-build:private-inferred-type.rs // error-pattern:type `fn() {ext::priv_fn}` is private -// error-pattern:static `PRIV_STATIC` is private +// error-pattern:static `ext::PRIV_STATIC` is private // error-pattern:type `ext::PrivEnum` is private // error-pattern:type `fn() {<u8 as ext::PrivTrait>::method}` is private // error-pattern:type `fn(u8) -> ext::PrivTupleStruct {ext::PrivTupleStruct}` is private diff --git a/src/test/ui/privacy/private-inferred-type-3.stderr b/src/test/ui/privacy/private-inferred-type-3.stderr index 00b61512de6..42faeb4bf34 100644 --- a/src/test/ui/privacy/private-inferred-type-3.stderr +++ b/src/test/ui/privacy/private-inferred-type-3.stderr @@ -6,7 +6,7 @@ LL | ext::m!(); | = note: this error originates in the macro `ext::m` (in Nightly builds, run with -Z macro-backtrace for more info) -error: static `PRIV_STATIC` is private +error: static `ext::PRIV_STATIC` is private --> $DIR/private-inferred-type-3.rs:16:5 | LL | ext::m!(); diff --git a/src/test/ui/proc-macro/issue-104884-trait-impl-sugg-err.stderr b/src/test/ui/proc-macro/issue-104884-trait-impl-sugg-err.stderr index ac49e04e3c0..14e5df21ef6 100644 --- a/src/test/ui/proc-macro/issue-104884-trait-impl-sugg-err.stderr +++ b/src/test/ui/proc-macro/issue-104884-trait-impl-sugg-err.stderr @@ -7,9 +7,6 @@ LL | #[derive(PartialOrd, AddImpl)] = help: the trait `PartialEq` is not implemented for `PriorityQueue<T>` note: required by a bound in `PartialOrd` --> $SRC_DIR/core/src/cmp.rs:LL:COL - | -LL | pub trait PartialOrd<Rhs: ?Sized = Self>: PartialEq<Rhs> { - | ^^^^^^^^^^^^^^ required by this bound in `PartialOrd` = note: this error originates in the derive macro `PartialOrd` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0277]: the trait bound `PriorityQueue<T>: Eq` is not satisfied @@ -20,9 +17,6 @@ LL | #[derive(PartialOrd, AddImpl)] | note: required by a bound in `Ord` --> $SRC_DIR/core/src/cmp.rs:LL:COL - | -LL | pub trait Ord: Eq + PartialOrd<Self> { - | ^^ required by this bound in `Ord` = note: this error originates in the derive macro `AddImpl` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0277]: can't compare `T` with `T` @@ -38,9 +32,6 @@ LL | #[derive(PartialOrd, AddImpl)] | ^^^^^^^^^^ note: required by a bound in `Ord` --> $SRC_DIR/core/src/cmp.rs:LL:COL - | -LL | pub trait Ord: Eq + PartialOrd<Self> { - | ^^^^^^^^^^^^^^^^ required by this bound in `Ord` = note: this error originates in the derive macro `AddImpl` which comes from the expansion of the derive macro `PartialOrd` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 3 previous errors diff --git a/src/test/ui/proc-macro/parent-source-spans.stderr b/src/test/ui/proc-macro/parent-source-spans.stderr index 65ce24e5522..a3b27fd7bcc 100644 --- a/src/test/ui/proc-macro/parent-source-spans.stderr +++ b/src/test/ui/proc-macro/parent-source-spans.stderr @@ -144,11 +144,9 @@ LL | parent_source_spans!($($tokens)*); ... LL | one!("hello", "world"); | ---------------------- in this macro invocation + --> $SRC_DIR/core/src/result.rs:LL:COL | - ::: $SRC_DIR/core/src/result.rs:LL:COL - | -LL | Ok(#[stable(feature = "rust1", since = "1.0.0")] T), - | -- similarly named tuple variant `Ok` defined here + = note: similarly named tuple variant `Ok` defined here | = note: this error originates in the macro `parent_source_spans` which comes from the expansion of the macro `one` (in Nightly builds, run with -Z macro-backtrace for more info) @@ -160,11 +158,9 @@ LL | parent_source_spans!($($tokens)*); ... LL | two!("yay", "rust"); | ------------------- in this macro invocation + --> $SRC_DIR/core/src/result.rs:LL:COL | - ::: $SRC_DIR/core/src/result.rs:LL:COL - | -LL | Ok(#[stable(feature = "rust1", since = "1.0.0")] T), - | -- similarly named tuple variant `Ok` defined here + = note: similarly named tuple variant `Ok` defined here | = note: this error originates in the macro `parent_source_spans` which comes from the expansion of the macro `two` (in Nightly builds, run with -Z macro-backtrace for more info) @@ -176,11 +172,9 @@ LL | parent_source_spans!($($tokens)*); ... LL | three!("hip", "hop"); | -------------------- in this macro invocation + --> $SRC_DIR/core/src/result.rs:LL:COL | - ::: $SRC_DIR/core/src/result.rs:LL:COL - | -LL | Ok(#[stable(feature = "rust1", since = "1.0.0")] T), - | -- similarly named tuple variant `Ok` defined here + = note: similarly named tuple variant `Ok` defined here | = note: this error originates in the macro `parent_source_spans` which comes from the expansion of the macro `three` (in Nightly builds, run with -Z macro-backtrace for more info) diff --git a/src/test/ui/proc-macro/resolve-error.stderr b/src/test/ui/proc-macro/resolve-error.stderr index a534b9d5377..3c3f24d0ff2 100644 --- a/src/test/ui/proc-macro/resolve-error.stderr +++ b/src/test/ui/proc-macro/resolve-error.stderr @@ -72,22 +72,18 @@ error: cannot find derive macro `Dlone` in this scope | LL | #[derive(Dlone)] | ^^^^^ help: a derive macro with a similar name exists: `Clone` + --> $SRC_DIR/core/src/clone.rs:LL:COL | - ::: $SRC_DIR/core/src/clone.rs:LL:COL - | -LL | pub macro Clone($item:item) { - | --------------- similarly named derive macro `Clone` defined here + = note: similarly named derive macro `Clone` defined here error: cannot find derive macro `Dlone` in this scope --> $DIR/resolve-error.rs:35:10 | LL | #[derive(Dlone)] | ^^^^^ help: a derive macro with a similar name exists: `Clone` + --> $SRC_DIR/core/src/clone.rs:LL:COL | - ::: $SRC_DIR/core/src/clone.rs:LL:COL - | -LL | pub macro Clone($item:item) { - | --------------- similarly named derive macro `Clone` defined here + = note: similarly named derive macro `Clone` defined here error: cannot find attribute `FooWithLongNan` in this scope --> $DIR/resolve-error.rs:32:3 diff --git a/src/test/ui/proc-macro/signature.stderr b/src/test/ui/proc-macro/signature.stderr index 59b3e44c74a..79f2001da00 100644 --- a/src/test/ui/proc-macro/signature.stderr +++ b/src/test/ui/proc-macro/signature.stderr @@ -14,9 +14,6 @@ LL | | } = note: unsafe function cannot be called generically without an unsafe block note: required by a bound in `ProcMacro::custom_derive` --> $SRC_DIR/proc_macro/src/bridge/client.rs:LL:COL - | -LL | expand: impl Fn(crate::TokenStream) -> crate::TokenStream + Copy, - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `ProcMacro::custom_derive` error: aborting due to previous error diff --git a/src/test/ui/proc-macro/span-api-tests.rs b/src/test/ui/proc-macro/span-api-tests.rs index 914ad54ed03..3f04ba866b7 100644 --- a/src/test/ui/proc-macro/span-api-tests.rs +++ b/src/test/ui/proc-macro/span-api-tests.rs @@ -2,6 +2,7 @@ // ignore-pretty // aux-build:span-api-tests.rs // aux-build:span-test-macros.rs +// compile-flags: -Ztranslate-remapped-path-to-local-path=yes #[macro_use] extern crate span_test_macros; diff --git a/src/test/ui/range/range-1.stderr b/src/test/ui/range/range-1.stderr index aaea91ce0cb..3956390368f 100644 --- a/src/test/ui/range/range-1.stderr +++ b/src/test/ui/range/range-1.stderr @@ -32,9 +32,6 @@ LL | let range = *arr..; = help: the trait `Sized` is not implemented for `[{integer}]` note: required by a bound in `RangeFrom` --> $SRC_DIR/core/src/ops/range.rs:LL:COL - | -LL | pub struct RangeFrom<Idx> { - | ^^^ required by this bound in `RangeFrom` error: aborting due to 3 previous errors diff --git a/src/test/ui/recursion/recursive-types-are-not-uninhabited.stderr b/src/test/ui/recursion/recursive-types-are-not-uninhabited.stderr index f2307899d3c..86ad6aa847c 100644 --- a/src/test/ui/recursion/recursive-types-are-not-uninhabited.stderr +++ b/src/test/ui/recursion/recursive-types-are-not-uninhabited.stderr @@ -8,12 +8,9 @@ LL | let Ok(x) = res; = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html note: `Result<u32, &R<'_>>` defined here --> $SRC_DIR/core/src/result.rs:LL:COL + ::: $SRC_DIR/core/src/result.rs:LL:COL | -LL | pub enum Result<T, E> { - | --------------------- -... -LL | Err(#[stable(feature = "rust1", since = "1.0.0")] E), - | ^^^ not covered + = note: not covered = note: the matched value is of type `Result<u32, &R<'_>>` help: you might want to use `if let` to ignore the variant that isn't matched | diff --git a/src/test/ui/resolve/levenshtein.stderr b/src/test/ui/resolve/levenshtein.stderr index 9a2d61ea405..cf478210132 100644 --- a/src/test/ui/resolve/levenshtein.stderr +++ b/src/test/ui/resolve/levenshtein.stderr @@ -18,11 +18,9 @@ error[E0412]: cannot find type `Opiton` in this scope | LL | type B = Opiton<u8>; // Misspelled type name from the prelude. | ^^^^^^ help: an enum with a similar name exists: `Option` + --> $SRC_DIR/core/src/option.rs:LL:COL | - ::: $SRC_DIR/core/src/option.rs:LL:COL - | -LL | pub enum Option<T> { - | ------------------ similarly named enum `Option` defined here + = note: similarly named enum `Option` defined here error[E0412]: cannot find type `Baz` in this scope --> $DIR/levenshtein.rs:16:14 diff --git a/src/test/ui/resolve/resolve-primitive-fallback.stderr b/src/test/ui/resolve/resolve-primitive-fallback.stderr index 6d5d5bad9fe..964302e924c 100644 --- a/src/test/ui/resolve/resolve-primitive-fallback.stderr +++ b/src/test/ui/resolve/resolve-primitive-fallback.stderr @@ -28,9 +28,6 @@ LL | std::mem::size_of(u16); | note: function defined here --> $SRC_DIR/core/src/mem/mod.rs:LL:COL - | -LL | pub const fn size_of<T>() -> usize { - | ^^^^^^^ help: remove the extra argument | LL | std::mem::size_of(); diff --git a/src/test/ui/rfc-1937-termination-trait/termination-trait-test-wrong-type.stderr b/src/test/ui/rfc-1937-termination-trait/termination-trait-test-wrong-type.stderr index 9577952119a..a19750cc73a 100644 --- a/src/test/ui/rfc-1937-termination-trait/termination-trait-test-wrong-type.stderr +++ b/src/test/ui/rfc-1937-termination-trait/termination-trait-test-wrong-type.stderr @@ -9,9 +9,6 @@ LL | fn can_parse_zero_as_f32() -> Result<f32, ParseFloatError> { = note: required for `Result<f32, ParseFloatError>` to implement `Termination` note: required by a bound in `assert_test_result` --> $SRC_DIR/test/src/lib.rs:LL:COL - | -LL | pub fn assert_test_result<T: Termination>(result: T) -> Result<(), String> { - | ^^^^^^^^^^^ required by this bound in `assert_test_result` = note: this error originates in the attribute macro `test` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to previous error diff --git a/src/test/ui/rfc-2005-default-binding-mode/for.stderr b/src/test/ui/rfc-2005-default-binding-mode/for.stderr index 9cc20a7bf31..07991af6ef9 100644 --- a/src/test/ui/rfc-2005-default-binding-mode/for.stderr +++ b/src/test/ui/rfc-2005-default-binding-mode/for.stderr @@ -6,6 +6,11 @@ LL | for (n, mut m) in &tups { | | | data moved here | move occurs because `m` has type `Foo`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | for (n, ref mut m) in &tups { + | +++ error: aborting due to previous error diff --git a/src/test/ui/rfc-2361-dbg-macro/dbg-macro-move-semantics.stderr b/src/test/ui/rfc-2361-dbg-macro/dbg-macro-move-semantics.stderr index 06699b947be..e97fdcce1c1 100644 --- a/src/test/ui/rfc-2361-dbg-macro/dbg-macro-move-semantics.stderr +++ b/src/test/ui/rfc-2361-dbg-macro/dbg-macro-move-semantics.stderr @@ -8,11 +8,6 @@ LL | let _ = dbg!(a); LL | let _ = dbg!(a); | ^ value used here after move | -help: borrow this binding in the pattern to avoid moving the value - --> $SRC_DIR/std/src/macros.rs:LL:COL - | -LL | ref tmp => { - | +++ error: aborting due to previous error diff --git a/src/test/ui/span/issue-39018.stderr b/src/test/ui/span/issue-39018.stderr index eea94643e0a..5d4d692b2cf 100644 --- a/src/test/ui/span/issue-39018.stderr +++ b/src/test/ui/span/issue-39018.stderr @@ -26,11 +26,8 @@ note: an implementation of `Add<_>` might be missing for `World` | LL | enum World { | ^^^^^^^^^^ must implement `Add<_>` -note: the following trait must be implemented +note: the trait `Add` must be implemented --> $SRC_DIR/core/src/ops/arith.rs:LL:COL - | -LL | pub trait Add<Rhs = Self> { - | ^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0369]: cannot add `String` to `&str` --> $DIR/issue-39018.rs:11:22 diff --git a/src/test/ui/span/issue-71363.rs b/src/test/ui/span/issue-71363.rs index f187d0efa84..8014f379625 100644 --- a/src/test/ui/span/issue-71363.rs +++ b/src/test/ui/span/issue-71363.rs @@ -1,4 +1,4 @@ -// compile-flags: -Z simulate-remapped-rust-src-base=/rustc/FAKE_PREFIX -Z translate-remapped-path-to-local-path=no -Z ui-testing=no +// compile-flags: -Z ui-testing=no struct MyError; impl std::error::Error for MyError {} diff --git a/src/test/ui/span/missing-unit-argument.stderr b/src/test/ui/span/missing-unit-argument.stderr index b76a3ab307a..48a2e763af6 100644 --- a/src/test/ui/span/missing-unit-argument.stderr +++ b/src/test/ui/span/missing-unit-argument.stderr @@ -6,9 +6,6 @@ LL | let _: Result<(), String> = Ok(); | note: tuple variant defined here --> $SRC_DIR/core/src/result.rs:LL:COL - | -LL | Ok(#[stable(feature = "rust1", since = "1.0.0")] T), - | ^^ help: provide the argument | LL | let _: Result<(), String> = Ok(()); diff --git a/src/test/ui/specialization/defaultimpl/specialization-trait-not-implemented.stderr b/src/test/ui/specialization/defaultimpl/specialization-trait-not-implemented.stderr index 33ca7a2c210..37788612f43 100644 --- a/src/test/ui/specialization/defaultimpl/specialization-trait-not-implemented.stderr +++ b/src/test/ui/specialization/defaultimpl/specialization-trait-not-implemented.stderr @@ -27,7 +27,7 @@ LL | default impl<T> Foo for T { | ^^^^^^^^^^^^^^^^---^^^^^- | | | unsatisfied trait bound introduced here -note: the following trait must be implemented +note: the trait `Foo` must be implemented --> $DIR/specialization-trait-not-implemented.rs:7:1 | LL | trait Foo { diff --git a/src/test/ui/stability-attribute/stability-in-private-module.stderr b/src/test/ui/stability-attribute/stability-in-private-module.stderr index e64f2acbd35..2f02a24960e 100644 --- a/src/test/ui/stability-attribute/stability-in-private-module.stderr +++ b/src/test/ui/stability-attribute/stability-in-private-module.stderr @@ -6,9 +6,6 @@ LL | let _ = std::thread::thread_info::current_thread(); | note: the module `thread_info` is defined here --> $SRC_DIR/std/src/thread/mod.rs:LL:COL - | -LL | use crate::sys_common::thread_info; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/std-uncopyable-atomics.stderr b/src/test/ui/std-uncopyable-atomics.stderr index 9db9fcf40f8..8c5d0b96096 100644 --- a/src/test/ui/std-uncopyable-atomics.stderr +++ b/src/test/ui/std-uncopyable-atomics.stderr @@ -2,37 +2,49 @@ error[E0507]: cannot move out of a shared reference --> $DIR/std-uncopyable-atomics.rs:9:13 | LL | let x = *&x; - | ^^^ - | | - | move occurs because value has type `std::sync::atomic::AtomicBool`, which does not implement the `Copy` trait - | help: consider borrowing here: `&*&x` + | ^^^ move occurs because value has type `std::sync::atomic::AtomicBool`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - let x = *&x; +LL + let x = &x; + | error[E0507]: cannot move out of a shared reference --> $DIR/std-uncopyable-atomics.rs:11:13 | LL | let x = *&x; - | ^^^ - | | - | move occurs because value has type `std::sync::atomic::AtomicIsize`, which does not implement the `Copy` trait - | help: consider borrowing here: `&*&x` + | ^^^ move occurs because value has type `std::sync::atomic::AtomicIsize`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - let x = *&x; +LL + let x = &x; + | error[E0507]: cannot move out of a shared reference --> $DIR/std-uncopyable-atomics.rs:13:13 | LL | let x = *&x; - | ^^^ - | | - | move occurs because value has type `std::sync::atomic::AtomicUsize`, which does not implement the `Copy` trait - | help: consider borrowing here: `&*&x` + | ^^^ move occurs because value has type `std::sync::atomic::AtomicUsize`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - let x = *&x; +LL + let x = &x; + | error[E0507]: cannot move out of a shared reference --> $DIR/std-uncopyable-atomics.rs:15:13 | LL | let x = *&x; - | ^^^ - | | - | move occurs because value has type `std::sync::atomic::AtomicPtr<usize>`, which does not implement the `Copy` trait - | help: consider borrowing here: `&*&x` + | ^^^ move occurs because value has type `std::sync::atomic::AtomicPtr<usize>`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - let x = *&x; +LL + let x = &x; + | error: aborting due to 4 previous errors diff --git a/src/test/ui/str/str-idx.stderr b/src/test/ui/str/str-idx.stderr index 019305def29..cb1a6fcacfc 100644 --- a/src/test/ui/str/str-idx.stderr +++ b/src/test/ui/str/str-idx.stderr @@ -24,9 +24,6 @@ LL | let _ = s.get(4); = help: the trait `SliceIndex<[T]>` is implemented for `usize` note: required by a bound in `core::str::<impl str>::get` --> $SRC_DIR/core/src/str/mod.rs:LL:COL - | -LL | pub const fn get<I: ~const SliceIndex<str>>(&self, i: I) -> Option<&I::Output> { - | ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `core::str::<impl str>::get` error[E0277]: the type `str` cannot be indexed by `{integer}` --> $DIR/str-idx.rs:5:29 @@ -42,9 +39,6 @@ LL | let _ = s.get_unchecked(4); = help: the trait `SliceIndex<[T]>` is implemented for `usize` note: required by a bound in `core::str::<impl str>::get_unchecked` --> $SRC_DIR/core/src/str/mod.rs:LL:COL - | -LL | pub const unsafe fn get_unchecked<I: ~const SliceIndex<str>>(&self, i: I) -> &I::Output { - | ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `core::str::<impl str>::get_unchecked` error[E0277]: the type `str` cannot be indexed by `char` --> $DIR/str-idx.rs:6:19 diff --git a/src/test/ui/str/str-mut-idx.stderr b/src/test/ui/str/str-mut-idx.stderr index b165c482590..ca4b86ba306 100644 --- a/src/test/ui/str/str-mut-idx.stderr +++ b/src/test/ui/str/str-mut-idx.stderr @@ -48,9 +48,6 @@ LL | s.get_mut(1); = help: the trait `SliceIndex<[T]>` is implemented for `usize` note: required by a bound in `core::str::<impl str>::get_mut` --> $SRC_DIR/core/src/str/mod.rs:LL:COL - | -LL | pub const fn get_mut<I: ~const SliceIndex<str>>(&mut self, i: I) -> Option<&mut I::Output> { - | ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `core::str::<impl str>::get_mut` error[E0277]: the type `str` cannot be indexed by `{integer}` --> $DIR/str-mut-idx.rs:11:25 @@ -66,9 +63,6 @@ LL | s.get_unchecked_mut(1); = help: the trait `SliceIndex<[T]>` is implemented for `usize` note: required by a bound in `core::str::<impl str>::get_unchecked_mut` --> $SRC_DIR/core/src/str/mod.rs:LL:COL - | -LL | pub const unsafe fn get_unchecked_mut<I: ~const SliceIndex<str>>( - | ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `core::str::<impl str>::get_unchecked_mut` error[E0277]: the type `str` cannot be indexed by `char` --> $DIR/str-mut-idx.rs:13:7 diff --git a/src/test/ui/suggestions/args-instead-of-tuple-errors.stderr b/src/test/ui/suggestions/args-instead-of-tuple-errors.stderr index 0a91c442d2c..44a39efdf25 100644 --- a/src/test/ui/suggestions/args-instead-of-tuple-errors.stderr +++ b/src/test/ui/suggestions/args-instead-of-tuple-errors.stderr @@ -13,9 +13,6 @@ LL | let _: Option<(i32, bool)> = Some(1, 2); found type `{integer}` note: tuple variant defined here --> $SRC_DIR/core/src/option.rs:LL:COL - | -LL | Some(#[stable(feature = "rust1", since = "1.0.0")] T), - | ^^^^ help: remove the extra argument | LL | let _: Option<(i32, bool)> = Some(/* (i32, bool) */); @@ -52,9 +49,6 @@ LL | let _: Option<(i8,)> = Some(); | note: tuple variant defined here --> $SRC_DIR/core/src/option.rs:LL:COL - | -LL | Some(#[stable(feature = "rust1", since = "1.0.0")] T), - | ^^^^ help: provide the argument | LL | let _: Option<(i8,)> = Some(/* (i8,) */); @@ -72,9 +66,6 @@ LL | let _: Option<(i32,)> = Some(5_usize); found type `usize` note: tuple variant defined here --> $SRC_DIR/core/src/option.rs:LL:COL - | -LL | Some(#[stable(feature = "rust1", since = "1.0.0")] T), - | ^^^^ error[E0308]: mismatched types --> $DIR/args-instead-of-tuple-errors.rs:17:34 @@ -88,9 +79,6 @@ LL | let _: Option<(i32,)> = Some((5_usize)); found type `usize` note: tuple variant defined here --> $SRC_DIR/core/src/option.rs:LL:COL - | -LL | Some(#[stable(feature = "rust1", since = "1.0.0")] T), - | ^^^^ error: aborting due to 5 previous errors diff --git a/src/test/ui/suggestions/args-instead-of-tuple.stderr b/src/test/ui/suggestions/args-instead-of-tuple.stderr index 20f9e5259a4..c8499010d68 100644 --- a/src/test/ui/suggestions/args-instead-of-tuple.stderr +++ b/src/test/ui/suggestions/args-instead-of-tuple.stderr @@ -6,9 +6,6 @@ LL | let _: Result<(i32, i8), ()> = Ok(1, 2); | note: tuple variant defined here --> $SRC_DIR/core/src/result.rs:LL:COL - | -LL | Ok(#[stable(feature = "rust1", since = "1.0.0")] T), - | ^^ help: wrap these arguments in parentheses to construct a tuple | LL | let _: Result<(i32, i8), ()> = Ok((1, 2)); @@ -22,9 +19,6 @@ LL | let _: Option<(i32, i8, &'static str)> = Some(1, 2, "hi"); | note: tuple variant defined here --> $SRC_DIR/core/src/option.rs:LL:COL - | -LL | Some(#[stable(feature = "rust1", since = "1.0.0")] T), - | ^^^^ help: wrap these arguments in parentheses to construct a tuple | LL | let _: Option<(i32, i8, &'static str)> = Some((1, 2, "hi")); @@ -38,9 +32,6 @@ LL | let _: Option<()> = Some(); | note: tuple variant defined here --> $SRC_DIR/core/src/option.rs:LL:COL - | -LL | Some(#[stable(feature = "rust1", since = "1.0.0")] T), - | ^^^^ help: provide the argument | LL | let _: Option<()> = Some(()); @@ -58,9 +49,6 @@ LL | let _: Option<(i32,)> = Some(3); found type `{integer}` note: tuple variant defined here --> $SRC_DIR/core/src/option.rs:LL:COL - | -LL | Some(#[stable(feature = "rust1", since = "1.0.0")] T), - | ^^^^ help: use a trailing comma to create a tuple with one element | LL | let _: Option<(i32,)> = Some((3,)); @@ -78,9 +66,6 @@ LL | let _: Option<(i32,)> = Some((3)); found type `{integer}` note: tuple variant defined here --> $SRC_DIR/core/src/option.rs:LL:COL - | -LL | Some(#[stable(feature = "rust1", since = "1.0.0")] T), - | ^^^^ help: use a trailing comma to create a tuple with one element | LL | let _: Option<(i32,)> = Some((3,)); diff --git a/src/test/ui/suggestions/as-ref-2.stderr b/src/test/ui/suggestions/as-ref-2.stderr index e15e45d86b9..e2129b4502a 100644 --- a/src/test/ui/suggestions/as-ref-2.stderr +++ b/src/test/ui/suggestions/as-ref-2.stderr @@ -10,11 +10,8 @@ LL | let _x: Option<Struct> = foo.map(|s| bar(&s)); LL | let _y = foo; | ^^^ value used here after move | -note: this function takes ownership of the receiver `self`, which moves `foo` +note: `Option::<T>::map` takes ownership of the receiver `self`, which moves `foo` --> $SRC_DIR/core/src/option.rs:LL:COL - | -LL | pub const fn map<U, F>(self, f: F) -> Option<U> - | ^^^^ error: aborting due to previous error diff --git a/src/test/ui/suggestions/attribute-typos.stderr b/src/test/ui/suggestions/attribute-typos.stderr index 54122cb7360..b871c9b45a5 100644 --- a/src/test/ui/suggestions/attribute-typos.stderr +++ b/src/test/ui/suggestions/attribute-typos.stderr @@ -15,11 +15,9 @@ error: cannot find attribute `tests` in this scope | LL | #[tests] | ^^^^^ help: an attribute macro with a similar name exists: `test` + --> $SRC_DIR/core/src/macros/mod.rs:LL:COL | - ::: $SRC_DIR/core/src/macros/mod.rs:LL:COL - | -LL | pub macro test($item:item) { - | -------------- similarly named attribute macro `test` defined here + = note: similarly named attribute macro `test` defined here error: cannot find attribute `deprcated` in this scope --> $DIR/attribute-typos.rs:1:3 diff --git a/src/test/ui/suggestions/borrow-for-loop-head.stderr b/src/test/ui/suggestions/borrow-for-loop-head.stderr index 0cc8994fe1f..cbdb94877bd 100644 --- a/src/test/ui/suggestions/borrow-for-loop-head.stderr +++ b/src/test/ui/suggestions/borrow-for-loop-head.stderr @@ -16,11 +16,8 @@ LL | for i in &a { LL | for j in a { | ^ `a` moved due to this implicit call to `.into_iter()`, in previous iteration of loop | -note: this function takes ownership of the receiver `self`, which moves `a` +note: `into_iter` takes ownership of the receiver `self`, which moves `a` --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL - | -LL | fn into_iter(self) -> Self::IntoIter; - | ^^^^ help: consider iterating over a slice of the `Vec<i32>`'s content to avoid moving into the `for` loop | LL | for j in &a { diff --git a/src/test/ui/suggestions/bound-suggestions.stderr b/src/test/ui/suggestions/bound-suggestions.stderr index 4cb595c32c0..cd27947f02f 100644 --- a/src/test/ui/suggestions/bound-suggestions.stderr +++ b/src/test/ui/suggestions/bound-suggestions.stderr @@ -78,9 +78,6 @@ LL | const SIZE: usize = core::mem::size_of::<Self>(); | note: required by a bound in `std::mem::size_of` --> $SRC_DIR/core/src/mem/mod.rs:LL:COL - | -LL | pub const fn size_of<T>() -> usize { - | ^ required by this bound in `size_of` help: consider further restricting `Self` | LL | trait Foo<T>: Sized { @@ -94,9 +91,6 @@ LL | const SIZE: usize = core::mem::size_of::<Self>(); | note: required by a bound in `std::mem::size_of` --> $SRC_DIR/core/src/mem/mod.rs:LL:COL - | -LL | pub const fn size_of<T>() -> usize { - | ^ required by this bound in `size_of` help: consider further restricting `Self` | LL | trait Bar: std::fmt::Display + Sized { @@ -110,9 +104,6 @@ LL | const SIZE: usize = core::mem::size_of::<Self>(); | note: required by a bound in `std::mem::size_of` --> $SRC_DIR/core/src/mem/mod.rs:LL:COL - | -LL | pub const fn size_of<T>() -> usize { - | ^ required by this bound in `size_of` help: consider further restricting `Self` | LL | trait Baz: Sized where Self: std::fmt::Display { @@ -126,9 +117,6 @@ LL | const SIZE: usize = core::mem::size_of::<Self>(); | note: required by a bound in `std::mem::size_of` --> $SRC_DIR/core/src/mem/mod.rs:LL:COL - | -LL | pub const fn size_of<T>() -> usize { - | ^ required by this bound in `size_of` help: consider further restricting `Self` | LL | trait Qux<T>: Sized where Self: std::fmt::Display { @@ -142,9 +130,6 @@ LL | const SIZE: usize = core::mem::size_of::<Self>(); | note: required by a bound in `std::mem::size_of` --> $SRC_DIR/core/src/mem/mod.rs:LL:COL - | -LL | pub const fn size_of<T>() -> usize { - | ^ required by this bound in `size_of` help: consider further restricting `Self` | LL | trait Bat<T>: std::fmt::Display + Sized { diff --git a/src/test/ui/suggestions/derive-clone-for-eq.stderr b/src/test/ui/suggestions/derive-clone-for-eq.stderr index 0645f0cdde7..0a18b770405 100644 --- a/src/test/ui/suggestions/derive-clone-for-eq.stderr +++ b/src/test/ui/suggestions/derive-clone-for-eq.stderr @@ -11,9 +11,6 @@ LL | impl<T: Clone, U> PartialEq<U> for Struct<T> | ^^^^^^^^^^^^ ^^^^^^^^^ note: required by a bound in `Eq` --> $SRC_DIR/core/src/cmp.rs:LL:COL - | -LL | pub trait Eq: PartialEq<Self> { - | ^^^^^^^^^^^^^^^ required by this bound in `Eq` = note: this error originates in the derive macro `Eq` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider restricting type parameter `T` | diff --git a/src/test/ui/suggestions/derive-trait-for-method-call.stderr b/src/test/ui/suggestions/derive-trait-for-method-call.stderr index 7cc372f2422..14e8a2675dd 100644 --- a/src/test/ui/suggestions/derive-trait-for-method-call.stderr +++ b/src/test/ui/suggestions/derive-trait-for-method-call.stderr @@ -20,11 +20,8 @@ LL | let y = x.test(); `Enum: Clone` `Enum: Default` `CloneEnum: Default` -note: the following trait must be implemented +note: the trait `Default` must be implemented --> $SRC_DIR/core/src/default.rs:LL:COL - | -LL | pub trait Default: Sized { - | ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider annotating `Enum` with `#[derive(Clone)]` | LL | #[derive(Clone)] @@ -69,16 +66,12 @@ LL | struct Foo<X, Y> (X, Y); ... LL | let y = x.test(); | ^^^^ method cannot be called on `Foo<Vec<Enum>, Instant>` due to unsatisfied trait bounds + --> $SRC_DIR/std/src/time.rs:LL:COL | - ::: $SRC_DIR/std/src/time.rs:LL:COL - | -LL | pub struct Instant(time::Instant); - | ------------------ doesn't satisfy `Instant: Default` - | - ::: $SRC_DIR/alloc/src/vec/mod.rs:LL:COL + = note: doesn't satisfy `Instant: Default` + --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL | -LL | pub struct Vec<T, #[unstable(feature = "allocator_api", issue = "32838")] A: Allocator = Global> { - | ------------------------------------------------------------------------------------------------ doesn't satisfy `Vec<Enum>: Clone` + = note: doesn't satisfy `Vec<Enum>: Clone` | = note: the following trait bounds were not satisfied: `Vec<Enum>: Clone` diff --git a/src/test/ui/suggestions/do-not-attempt-to-add-suggestions-with-no-changes.stderr b/src/test/ui/suggestions/do-not-attempt-to-add-suggestions-with-no-changes.stderr index 7bdc8e00f44..0cd6267b3b3 100644 --- a/src/test/ui/suggestions/do-not-attempt-to-add-suggestions-with-no-changes.stderr +++ b/src/test/ui/suggestions/do-not-attempt-to-add-suggestions-with-no-changes.stderr @@ -3,11 +3,9 @@ error[E0573]: expected type, found module `result` | LL | impl result { | ^^^^^^ help: an enum with a similar name exists: `Result` + --> $SRC_DIR/core/src/result.rs:LL:COL | - ::: $SRC_DIR/core/src/result.rs:LL:COL - | -LL | pub enum Result<T, E> { - | --------------------- similarly named enum `Result` defined here + = note: similarly named enum `Result` defined here error[E0573]: expected type, found variant `Err` --> $DIR/do-not-attempt-to-add-suggestions-with-no-changes.rs:3:25 diff --git a/src/test/ui/suggestions/dont-suggest-ref/duplicate-suggestions.rs b/src/test/ui/suggestions/dont-suggest-ref/duplicate-suggestions.rs index bf0c1dc27ce..e19d497f21d 100644 --- a/src/test/ui/suggestions/dont-suggest-ref/duplicate-suggestions.rs +++ b/src/test/ui/suggestions/dont-suggest-ref/duplicate-suggestions.rs @@ -38,31 +38,25 @@ pub fn main() { let &(X(_t), X(_u)) = &(x.clone(), x.clone()); //~^ ERROR cannot move - //~| HELP consider removing the `&` - //~| SUGGESTION (X(_t), X(_u)) + //~| HELP consider removing the borrow if let &(Either::One(_t), Either::Two(_u)) = &(e.clone(), e.clone()) { } //~^ ERROR cannot move - //~| HELP consider removing the `&` - //~| SUGGESTION (Either::One(_t), Either::Two(_u)) + //~| HELP consider removing the borrow while let &(Either::One(_t), Either::Two(_u)) = &(e.clone(), e.clone()) { } //~^ ERROR cannot move - //~| HELP consider removing the `&` - //~| SUGGESTION (Either::One(_t), Either::Two(_u)) + //~| HELP consider removing the borrow match &(e.clone(), e.clone()) { //~^ ERROR cannot move &(Either::One(_t), Either::Two(_u)) => (), - //~^ HELP consider removing the `&` - //~| SUGGESTION (Either::One(_t), Either::Two(_u)) + //~^ HELP consider removing the borrow &(Either::Two(_t), Either::One(_u)) => (), - //~^ HELP consider removing the `&` - //~| SUGGESTION (Either::Two(_t), Either::One(_u)) + //~^ HELP consider removing the borrow _ => (), } match &(e.clone(), e.clone()) { //~^ ERROR cannot move &(Either::One(_t), Either::Two(_u)) - //~^ HELP consider removing the `&` - //~| SUGGESTION (Either::One(_t), Either::Two(_u)) + //~^ HELP consider removing the borrow | &(Either::Two(_t), Either::One(_u)) => (), // FIXME: would really like a suggestion here too _ => (), @@ -70,51 +64,42 @@ pub fn main() { match &(e.clone(), e.clone()) { //~^ ERROR cannot move &(Either::One(_t), Either::Two(_u)) => (), - //~^ HELP consider removing the `&` - //~| SUGGESTION (Either::One(_t), Either::Two(_u)) + //~^ HELP consider removing the borrow &(Either::Two(ref _t), Either::One(ref _u)) => (), _ => (), } match &(e.clone(), e.clone()) { //~^ ERROR cannot move &(Either::One(_t), Either::Two(_u)) => (), - //~^ HELP consider removing the `&` - //~| SUGGESTION (Either::One(_t), Either::Two(_u)) + //~^ HELP consider removing the borrow (Either::Two(_t), Either::One(_u)) => (), _ => (), } fn f5(&(X(_t), X(_u)): &(X, X)) { } //~^ ERROR cannot move - //~| HELP consider removing the `&` - //~| SUGGESTION (X(_t), X(_u)) + //~| HELP consider removing the borrow let &mut (X(_t), X(_u)) = &mut (xm.clone(), xm.clone()); //~^ ERROR cannot move - //~| HELP consider removing the `&mut` - //~| SUGGESTION (X(_t), X(_u)) + //~| HELP consider removing the mutable borrow if let &mut (Either::One(_t), Either::Two(_u)) = &mut (em.clone(), em.clone()) { } //~^ ERROR cannot move - //~| HELP consider removing the `&mut` - //~| SUGGESTION (Either::One(_t), Either::Two(_u)) + //~| HELP consider removing the mutable borrow while let &mut (Either::One(_t), Either::Two(_u)) = &mut (em.clone(), em.clone()) { } //~^ ERROR cannot move - //~| HELP consider removing the `&mut` - //~| SUGGESTION (Either::One(_t), Either::Two(_u)) + //~| HELP consider removing the mutable borrow match &mut (em.clone(), em.clone()) { //~^ ERROR cannot move &mut (Either::One(_t), Either::Two(_u)) => (), - //~^ HELP consider removing the `&mut` - //~| SUGGESTION (Either::One(_t), Either::Two(_u)) + //~^ HELP consider removing the mutable borrow &mut (Either::Two(_t), Either::One(_u)) => (), - //~^ HELP consider removing the `&mut` - //~| SUGGESTION (Either::Two(_t), Either::One(_u)) + //~^ HELP consider removing the mutable borrow _ => (), } match &mut (em.clone(), em.clone()) { //~^ ERROR cannot move &mut (Either::One(_t), Either::Two(_u)) - //~^ HELP consider removing the `&mut` - //~| SUGGESTION (Either::One(_t), Either::Two(_u)) + //~^ HELP consider removing the mutable borrow | &mut (Either::Two(_t), Either::One(_u)) => (), // FIXME: would really like a suggestion here too _ => (), @@ -122,29 +107,25 @@ pub fn main() { match &mut (em.clone(), em.clone()) { //~^ ERROR cannot move &mut (Either::One(_t), Either::Two(_u)) => (), - //~^ HELP consider removing the `&mut` - //~| SUGGESTION (Either::One(_t), Either::Two(_u)) + //~^ HELP consider removing the mutable borrow &mut (Either::Two(ref _t), Either::One(ref _u)) => (), _ => (), } match &mut (em.clone(), em.clone()) { //~^ ERROR cannot move &mut (Either::One(_t), Either::Two(_u)) => (), - //~^ HELP consider removing the `&mut` - //~| SUGGESTION (Either::One(_t), Either::Two(_u)) + //~^ HELP consider removing the mutable borrow &mut (Either::Two(ref mut _t), Either::One(ref mut _u)) => (), _ => (), } match &mut (em.clone(), em.clone()) { //~^ ERROR cannot move &mut (Either::One(_t), Either::Two(_u)) => (), - //~^ HELP consider removing the `&mut` - //~| SUGGESTION (Either::One(_t), Either::Two(_u)) + //~^ HELP consider removing the mutable borrow (Either::Two(_t), Either::One(_u)) => (), _ => (), } fn f6(&mut (X(_t), X(_u)): &mut (X, X)) { } //~^ ERROR cannot move - //~| HELP consider removing the `&mut` - //~| SUGGESTION (X(_t), X(_u)) + //~| HELP consider removing the mutable borrow } diff --git a/src/test/ui/suggestions/dont-suggest-ref/duplicate-suggestions.stderr b/src/test/ui/suggestions/dont-suggest-ref/duplicate-suggestions.stderr index 40ad671f966..b96b3713f2a 100644 --- a/src/test/ui/suggestions/dont-suggest-ref/duplicate-suggestions.stderr +++ b/src/test/ui/suggestions/dont-suggest-ref/duplicate-suggestions.stderr @@ -2,40 +2,52 @@ error[E0507]: cannot move out of a shared reference --> $DIR/duplicate-suggestions.rs:39:27 | LL | let &(X(_t), X(_u)) = &(x.clone(), x.clone()); - | --------------- ^^^^^^^^^^^^^^^^^^^^^^^ - | | | | - | | | ...and here - | | data moved here - | help: consider removing the `&`: `(X(_t), X(_u))` + | -- -- ^^^^^^^^^^^^^^^^^^^^^^^ + | | | + | | ...and here + | data moved here | = note: move occurs because these variables have types that don't implement the `Copy` trait +help: consider removing the borrow + | +LL - let &(X(_t), X(_u)) = &(x.clone(), x.clone()); +LL + let (X(_t), X(_u)) = &(x.clone(), x.clone()); + | error[E0507]: cannot move out of a shared reference - --> $DIR/duplicate-suggestions.rs:43:50 + --> $DIR/duplicate-suggestions.rs:42:50 | LL | if let &(Either::One(_t), Either::Two(_u)) = &(e.clone(), e.clone()) { } - | ----------------------------------- ^^^^^^^^^^^^^^^^^^^^^^^ - | | | | - | | | ...and here - | | data moved here - | help: consider removing the `&`: `(Either::One(_t), Either::Two(_u))` + | -- -- ^^^^^^^^^^^^^^^^^^^^^^^ + | | | + | | ...and here + | data moved here | = note: move occurs because these variables have types that don't implement the `Copy` trait +help: consider removing the borrow + | +LL - if let &(Either::One(_t), Either::Two(_u)) = &(e.clone(), e.clone()) { } +LL + if let (Either::One(_t), Either::Two(_u)) = &(e.clone(), e.clone()) { } + | error[E0507]: cannot move out of a shared reference - --> $DIR/duplicate-suggestions.rs:47:53 + --> $DIR/duplicate-suggestions.rs:45:53 | LL | while let &(Either::One(_t), Either::Two(_u)) = &(e.clone(), e.clone()) { } - | ----------------------------------- ^^^^^^^^^^^^^^^^^^^^^^^ - | | | | - | | | ...and here - | | data moved here - | help: consider removing the `&`: `(Either::One(_t), Either::Two(_u))` + | -- -- ^^^^^^^^^^^^^^^^^^^^^^^ + | | | + | | ...and here + | data moved here | = note: move occurs because these variables have types that don't implement the `Copy` trait +help: consider removing the borrow + | +LL - while let &(Either::One(_t), Either::Two(_u)) = &(e.clone(), e.clone()) { } +LL + while let (Either::One(_t), Either::Two(_u)) = &(e.clone(), e.clone()) { } + | error[E0507]: cannot move out of a shared reference - --> $DIR/duplicate-suggestions.rs:51:11 + --> $DIR/duplicate-suggestions.rs:48:11 | LL | match &(e.clone(), e.clone()) { | ^^^^^^^^^^^^^^^^^^^^^^^ @@ -44,22 +56,24 @@ LL | &(Either::One(_t), Either::Two(_u)) => (), | -- -- ...and here | | | data moved here -... +LL | LL | &(Either::Two(_t), Either::One(_u)) => (), | -- ...and here -- ...and here | = note: move occurs because these variables have types that don't implement the `Copy` trait -help: consider removing the `&` +help: consider removing the borrow | -LL | (Either::One(_t), Either::Two(_u)) => (), - | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -help: consider removing the `&` +LL - &(Either::One(_t), Either::Two(_u)) => (), +LL + (Either::One(_t), Either::Two(_u)) => (), + | +help: consider removing the borrow + | +LL - &(Either::Two(_t), Either::One(_u)) => (), +LL + (Either::Two(_t), Either::One(_u)) => (), | -LL | (Either::Two(_t), Either::One(_u)) => (), - | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error[E0507]: cannot move out of a shared reference - --> $DIR/duplicate-suggestions.rs:61:11 + --> $DIR/duplicate-suggestions.rs:56:11 | LL | match &(e.clone(), e.clone()) { | ^^^^^^^^^^^^^^^^^^^^^^^ @@ -70,82 +84,98 @@ LL | &(Either::One(_t), Either::Two(_u)) | data moved here | = note: move occurs because these variables have types that don't implement the `Copy` trait -help: consider removing the `&` +help: consider removing the borrow | -LL ~ (Either::One(_t), Either::Two(_u)) -LL + -LL + -LL ~ | &(Either::Two(_t), Either::One(_u)) => (), +LL - &(Either::One(_t), Either::Two(_u)) +LL + (Either::One(_t), Either::Two(_u)) | error[E0507]: cannot move out of a shared reference - --> $DIR/duplicate-suggestions.rs:70:11 + --> $DIR/duplicate-suggestions.rs:64:11 | LL | match &(e.clone(), e.clone()) { | ^^^^^^^^^^^^^^^^^^^^^^^ LL | LL | &(Either::One(_t), Either::Two(_u)) => (), - | ----------------------------------- - | | | | - | | | ...and here - | | data moved here - | help: consider removing the `&`: `(Either::One(_t), Either::Two(_u))` + | -- -- ...and here + | | + | data moved here | = note: move occurs because these variables have types that don't implement the `Copy` trait +help: consider removing the borrow + | +LL - &(Either::One(_t), Either::Two(_u)) => (), +LL + (Either::One(_t), Either::Two(_u)) => (), + | error[E0507]: cannot move out of a shared reference - --> $DIR/duplicate-suggestions.rs:78:11 + --> $DIR/duplicate-suggestions.rs:71:11 | LL | match &(e.clone(), e.clone()) { | ^^^^^^^^^^^^^^^^^^^^^^^ LL | LL | &(Either::One(_t), Either::Two(_u)) => (), - | ----------------------------------- - | | | | - | | | ...and here - | | data moved here - | help: consider removing the `&`: `(Either::One(_t), Either::Two(_u))` + | -- -- ...and here + | | + | data moved here | = note: move occurs because these variables have types that don't implement the `Copy` trait +help: consider removing the borrow + | +LL - &(Either::One(_t), Either::Two(_u)) => (), +LL + (Either::One(_t), Either::Two(_u)) => (), + | error[E0507]: cannot move out of a mutable reference - --> $DIR/duplicate-suggestions.rs:91:31 + --> $DIR/duplicate-suggestions.rs:82:31 | LL | let &mut (X(_t), X(_u)) = &mut (xm.clone(), xm.clone()); - | ------------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | | | | - | | | ...and here - | | data moved here - | help: consider removing the `&mut`: `(X(_t), X(_u))` + | -- -- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | | | + | | ...and here + | data moved here | = note: move occurs because these variables have types that don't implement the `Copy` trait +help: consider removing the mutable borrow + | +LL - let &mut (X(_t), X(_u)) = &mut (xm.clone(), xm.clone()); +LL + let (X(_t), X(_u)) = &mut (xm.clone(), xm.clone()); + | error[E0507]: cannot move out of a mutable reference - --> $DIR/duplicate-suggestions.rs:95:54 + --> $DIR/duplicate-suggestions.rs:85:54 | LL | if let &mut (Either::One(_t), Either::Two(_u)) = &mut (em.clone(), em.clone()) { } - | --------------------------------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | | | | - | | | ...and here - | | data moved here - | help: consider removing the `&mut`: `(Either::One(_t), Either::Two(_u))` + | -- -- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | | | + | | ...and here + | data moved here | = note: move occurs because these variables have types that don't implement the `Copy` trait +help: consider removing the mutable borrow + | +LL - if let &mut (Either::One(_t), Either::Two(_u)) = &mut (em.clone(), em.clone()) { } +LL + if let (Either::One(_t), Either::Two(_u)) = &mut (em.clone(), em.clone()) { } + | error[E0507]: cannot move out of a mutable reference - --> $DIR/duplicate-suggestions.rs:99:57 + --> $DIR/duplicate-suggestions.rs:88:57 | LL | while let &mut (Either::One(_t), Either::Two(_u)) = &mut (em.clone(), em.clone()) { } - | --------------------------------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | | | | - | | | ...and here - | | data moved here - | help: consider removing the `&mut`: `(Either::One(_t), Either::Two(_u))` + | -- -- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | | | + | | ...and here + | data moved here | = note: move occurs because these variables have types that don't implement the `Copy` trait +help: consider removing the mutable borrow + | +LL - while let &mut (Either::One(_t), Either::Two(_u)) = &mut (em.clone(), em.clone()) { } +LL + while let (Either::One(_t), Either::Two(_u)) = &mut (em.clone(), em.clone()) { } + | error[E0507]: cannot move out of a mutable reference - --> $DIR/duplicate-suggestions.rs:103:11 + --> $DIR/duplicate-suggestions.rs:91:11 | LL | match &mut (em.clone(), em.clone()) { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -154,22 +184,24 @@ LL | &mut (Either::One(_t), Either::Two(_u)) => (), | -- -- ...and here | | | data moved here -... +LL | LL | &mut (Either::Two(_t), Either::One(_u)) => (), | -- ...and here -- ...and here | = note: move occurs because these variables have types that don't implement the `Copy` trait -help: consider removing the `&mut` +help: consider removing the mutable borrow + | +LL - &mut (Either::One(_t), Either::Two(_u)) => (), +LL + (Either::One(_t), Either::Two(_u)) => (), | -LL | (Either::One(_t), Either::Two(_u)) => (), - | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -help: consider removing the `&mut` +help: consider removing the mutable borrow + | +LL - &mut (Either::Two(_t), Either::One(_u)) => (), +LL + (Either::Two(_t), Either::One(_u)) => (), | -LL | (Either::Two(_t), Either::One(_u)) => (), - | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error[E0507]: cannot move out of a mutable reference - --> $DIR/duplicate-suggestions.rs:113:11 + --> $DIR/duplicate-suggestions.rs:99:11 | LL | match &mut (em.clone(), em.clone()) { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -180,82 +212,97 @@ LL | &mut (Either::One(_t), Either::Two(_u)) | data moved here | = note: move occurs because these variables have types that don't implement the `Copy` trait -help: consider removing the `&mut` +help: consider removing the mutable borrow | -LL ~ (Either::One(_t), Either::Two(_u)) -LL + -LL + -LL ~ | &mut (Either::Two(_t), Either::One(_u)) => (), +LL - &mut (Either::One(_t), Either::Two(_u)) +LL + (Either::One(_t), Either::Two(_u)) | error[E0507]: cannot move out of a mutable reference - --> $DIR/duplicate-suggestions.rs:122:11 + --> $DIR/duplicate-suggestions.rs:107:11 | LL | match &mut (em.clone(), em.clone()) { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ LL | LL | &mut (Either::One(_t), Either::Two(_u)) => (), - | --------------------------------------- - | | | | - | | | ...and here - | | data moved here - | help: consider removing the `&mut`: `(Either::One(_t), Either::Two(_u))` + | -- -- ...and here + | | + | data moved here | = note: move occurs because these variables have types that don't implement the `Copy` trait +help: consider removing the mutable borrow + | +LL - &mut (Either::One(_t), Either::Two(_u)) => (), +LL + (Either::One(_t), Either::Two(_u)) => (), + | error[E0507]: cannot move out of a mutable reference - --> $DIR/duplicate-suggestions.rs:130:11 + --> $DIR/duplicate-suggestions.rs:114:11 | LL | match &mut (em.clone(), em.clone()) { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ LL | LL | &mut (Either::One(_t), Either::Two(_u)) => (), - | --------------------------------------- - | | | | - | | | ...and here - | | data moved here - | help: consider removing the `&mut`: `(Either::One(_t), Either::Two(_u))` + | -- -- ...and here + | | + | data moved here | = note: move occurs because these variables have types that don't implement the `Copy` trait +help: consider removing the mutable borrow + | +LL - &mut (Either::One(_t), Either::Two(_u)) => (), +LL + (Either::One(_t), Either::Two(_u)) => (), + | error[E0507]: cannot move out of a mutable reference - --> $DIR/duplicate-suggestions.rs:138:11 + --> $DIR/duplicate-suggestions.rs:121:11 | LL | match &mut (em.clone(), em.clone()) { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ LL | LL | &mut (Either::One(_t), Either::Two(_u)) => (), - | --------------------------------------- - | | | | - | | | ...and here - | | data moved here - | help: consider removing the `&mut`: `(Either::One(_t), Either::Two(_u))` + | -- -- ...and here + | | + | data moved here | = note: move occurs because these variables have types that don't implement the `Copy` trait +help: consider removing the mutable borrow + | +LL - &mut (Either::One(_t), Either::Two(_u)) => (), +LL + (Either::One(_t), Either::Two(_u)) => (), + | error[E0507]: cannot move out of a shared reference - --> $DIR/duplicate-suggestions.rs:86:11 + --> $DIR/duplicate-suggestions.rs:78:11 | LL | fn f5(&(X(_t), X(_u)): &(X, X)) { } | ^^^^--^^^^^--^^ - | | | | - | | | ...and here - | | data moved here - | help: consider removing the `&`: `(X(_t), X(_u))` + | | | + | | ...and here + | data moved here | = note: move occurs because these variables have types that don't implement the `Copy` trait +help: consider removing the borrow + | +LL - fn f5(&(X(_t), X(_u)): &(X, X)) { } +LL + fn f5((X(_t), X(_u)): &(X, X)) { } + | error[E0507]: cannot move out of a mutable reference - --> $DIR/duplicate-suggestions.rs:146:11 + --> $DIR/duplicate-suggestions.rs:128:11 | LL | fn f6(&mut (X(_t), X(_u)): &mut (X, X)) { } | ^^^^^^^^--^^^^^--^^ - | | | | - | | | ...and here - | | data moved here - | help: consider removing the `&mut`: `(X(_t), X(_u))` + | | | + | | ...and here + | data moved here | = note: move occurs because these variables have types that don't implement the `Copy` trait +help: consider removing the mutable borrow + | +LL - fn f6(&mut (X(_t), X(_u)): &mut (X, X)) { } +LL + fn f6((X(_t), X(_u)): &mut (X, X)) { } + | error: aborting due to 17 previous errors diff --git a/src/test/ui/suggestions/dont-suggest-ref/move-into-closure.rs b/src/test/ui/suggestions/dont-suggest-ref/move-into-closure.rs index f1e043c30f2..44eac3691a3 100644 --- a/src/test/ui/suggestions/dont-suggest-ref/move-into-closure.rs +++ b/src/test/ui/suggestions/dont-suggest-ref/move-into-closure.rs @@ -28,26 +28,21 @@ fn move_into_fn() { let X(_t) = x; //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &x if let Either::One(_t) = e { } //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &e while let Either::One(_t) = e { } //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &e match e { //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &e Either::One(_t) | Either::Two(_t) => (), } match e { //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &e Either::One(_t) => (), Either::Two(ref _t) => (), // FIXME: should suggest removing `ref` too @@ -56,26 +51,21 @@ fn move_into_fn() { let X(mut _t) = x; //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &x if let Either::One(mut _t) = em { } //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &em while let Either::One(mut _t) = em { } //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &em match em { //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &em Either::One(mut _t) | Either::Two(mut _t) => (), } match em { //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &em Either::One(mut _t) => (), Either::Two(ref _t) => (), // FIXME: should suggest removing `ref` too @@ -95,26 +85,21 @@ fn move_into_fnmut() { let X(_t) = x; //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &x if let Either::One(_t) = e { } //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &e while let Either::One(_t) = e { } //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &e match e { //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &e Either::One(_t) | Either::Two(_t) => (), } match e { //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &e Either::One(_t) => (), Either::Two(ref _t) => (), // FIXME: should suggest removing `ref` too @@ -123,26 +108,21 @@ fn move_into_fnmut() { let X(mut _t) = x; //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &x if let Either::One(mut _t) = em { } //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &em while let Either::One(mut _t) = em { } //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &em match em { //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &em Either::One(mut _t) | Either::Two(mut _t) => (), } match em { //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &em Either::One(mut _t) => (), Either::Two(ref _t) => (), // FIXME: should suggest removing `ref` too @@ -150,7 +130,6 @@ fn move_into_fnmut() { match em { //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &em Either::One(mut _t) => (), Either::Two(ref mut _t) => (), // FIXME: should suggest removing `ref` too diff --git a/src/test/ui/suggestions/dont-suggest-ref/move-into-closure.stderr b/src/test/ui/suggestions/dont-suggest-ref/move-into-closure.stderr index e06ee4290ab..edda2cbc735 100644 --- a/src/test/ui/suggestions/dont-suggest-ref/move-into-closure.stderr +++ b/src/test/ui/suggestions/dont-suggest-ref/move-into-closure.stderr @@ -7,13 +7,18 @@ LL | let x = X(Y); LL | consume_fn(|| { | -- captured by this `Fn` closure LL | let X(_t) = x; - | -- ^ help: consider borrowing here: `&x` + | -- ^ | | | data moved here | move occurs because `_t` has type `Y`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | let X(_t) = &x; + | + error[E0507]: cannot move out of `e.0`, as `e` is a captured variable in an `Fn` closure - --> $DIR/move-into-closure.rs:32:34 + --> $DIR/move-into-closure.rs:31:34 | LL | let e = Either::One(X(Y)); | - captured outer variable @@ -22,13 +27,18 @@ LL | consume_fn(|| { | -- captured by this `Fn` closure ... LL | if let Either::One(_t) = e { } - | -- ^ help: consider borrowing here: `&e` + | -- ^ | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | if let Either::One(_t) = &e { } + | + error[E0507]: cannot move out of `e.0`, as `e` is a captured variable in an `Fn` closure - --> $DIR/move-into-closure.rs:36:37 + --> $DIR/move-into-closure.rs:34:37 | LL | let e = Either::One(X(Y)); | - captured outer variable @@ -37,13 +47,18 @@ LL | consume_fn(|| { | -- captured by this `Fn` closure ... LL | while let Either::One(_t) = e { } - | -- ^ help: consider borrowing here: `&e` + | -- ^ | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | while let Either::One(_t) = &e { } + | + error[E0507]: cannot move out of `e.0`, as `e` is a captured variable in an `Fn` closure - --> $DIR/move-into-closure.rs:40:15 + --> $DIR/move-into-closure.rs:37:15 | LL | let e = Either::One(X(Y)); | - captured outer variable @@ -52,16 +67,21 @@ LL | consume_fn(|| { | -- captured by this `Fn` closure ... LL | match e { - | ^ help: consider borrowing here: `&e` + | ^ ... LL | Either::One(_t) | -- | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | match &e { + | + error[E0507]: cannot move out of `e.0`, as `e` is a captured variable in an `Fn` closure - --> $DIR/move-into-closure.rs:47:15 + --> $DIR/move-into-closure.rs:43:15 | LL | let e = Either::One(X(Y)); | - captured outer variable @@ -70,16 +90,21 @@ LL | consume_fn(|| { | -- captured by this `Fn` closure ... LL | match e { - | ^ help: consider borrowing here: `&e` + | ^ ... LL | Either::One(_t) => (), | -- | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | match &e { + | + error[E0507]: cannot move out of `x.0`, as `x` is a captured variable in an `Fn` closure - --> $DIR/move-into-closure.rs:56:25 + --> $DIR/move-into-closure.rs:51:25 | LL | let x = X(Y); | - captured outer variable @@ -88,13 +113,18 @@ LL | consume_fn(|| { | -- captured by this `Fn` closure ... LL | let X(mut _t) = x; - | ------ ^ help: consider borrowing here: `&x` + | ------ ^ | | | data moved here | move occurs because `_t` has type `Y`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | let X(mut _t) = &x; + | + error[E0507]: cannot move out of `em.0`, as `em` is a captured variable in an `Fn` closure - --> $DIR/move-into-closure.rs:60:38 + --> $DIR/move-into-closure.rs:54:38 | LL | let mut em = Either::One(X(Y)); | ------ captured outer variable @@ -103,13 +133,18 @@ LL | consume_fn(|| { | -- captured by this `Fn` closure ... LL | if let Either::One(mut _t) = em { } - | ------ ^^ help: consider borrowing here: `&em` + | ------ ^^ | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | if let Either::One(mut _t) = &em { } + | + error[E0507]: cannot move out of `em.0`, as `em` is a captured variable in an `Fn` closure - --> $DIR/move-into-closure.rs:64:41 + --> $DIR/move-into-closure.rs:57:41 | LL | let mut em = Either::One(X(Y)); | ------ captured outer variable @@ -118,13 +153,18 @@ LL | consume_fn(|| { | -- captured by this `Fn` closure ... LL | while let Either::One(mut _t) = em { } - | ------ ^^ help: consider borrowing here: `&em` + | ------ ^^ | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | while let Either::One(mut _t) = &em { } + | + error[E0507]: cannot move out of `em.0`, as `em` is a captured variable in an `Fn` closure - --> $DIR/move-into-closure.rs:68:15 + --> $DIR/move-into-closure.rs:60:15 | LL | let mut em = Either::One(X(Y)); | ------ captured outer variable @@ -133,16 +173,21 @@ LL | consume_fn(|| { | -- captured by this `Fn` closure ... LL | match em { - | ^^ help: consider borrowing here: `&em` + | ^^ ... LL | Either::One(mut _t) | ------ | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | match &em { + | + error[E0507]: cannot move out of `em.0`, as `em` is a captured variable in an `Fn` closure - --> $DIR/move-into-closure.rs:75:15 + --> $DIR/move-into-closure.rs:66:15 | LL | let mut em = Either::One(X(Y)); | ------ captured outer variable @@ -151,16 +196,21 @@ LL | consume_fn(|| { | -- captured by this `Fn` closure ... LL | match em { - | ^^ help: consider borrowing here: `&em` + | ^^ ... LL | Either::One(mut _t) => (), | ------ | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | match &em { + | + error[E0507]: cannot move out of `x.0`, as `x` is a captured variable in an `FnMut` closure - --> $DIR/move-into-closure.rs:95:21 + --> $DIR/move-into-closure.rs:85:21 | LL | let x = X(Y); | - captured outer variable @@ -168,13 +218,18 @@ LL | let x = X(Y); LL | consume_fnmut(|| { | -- captured by this `FnMut` closure LL | let X(_t) = x; - | -- ^ help: consider borrowing here: `&x` + | -- ^ | | | data moved here | move occurs because `_t` has type `Y`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | let X(_t) = &x; + | + error[E0507]: cannot move out of `e.0`, as `e` is a captured variable in an `FnMut` closure - --> $DIR/move-into-closure.rs:99:34 + --> $DIR/move-into-closure.rs:88:34 | LL | let e = Either::One(X(Y)); | - captured outer variable @@ -183,13 +238,18 @@ LL | consume_fnmut(|| { | -- captured by this `FnMut` closure ... LL | if let Either::One(_t) = e { } - | -- ^ help: consider borrowing here: `&e` + | -- ^ | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | if let Either::One(_t) = &e { } + | + error[E0507]: cannot move out of `e.0`, as `e` is a captured variable in an `FnMut` closure - --> $DIR/move-into-closure.rs:103:37 + --> $DIR/move-into-closure.rs:91:37 | LL | let e = Either::One(X(Y)); | - captured outer variable @@ -198,13 +258,18 @@ LL | consume_fnmut(|| { | -- captured by this `FnMut` closure ... LL | while let Either::One(_t) = e { } - | -- ^ help: consider borrowing here: `&e` + | -- ^ | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | while let Either::One(_t) = &e { } + | + error[E0507]: cannot move out of `e.0`, as `e` is a captured variable in an `FnMut` closure - --> $DIR/move-into-closure.rs:107:15 + --> $DIR/move-into-closure.rs:94:15 | LL | let e = Either::One(X(Y)); | - captured outer variable @@ -213,16 +278,21 @@ LL | consume_fnmut(|| { | -- captured by this `FnMut` closure ... LL | match e { - | ^ help: consider borrowing here: `&e` + | ^ ... LL | Either::One(_t) | -- | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | match &e { + | + error[E0507]: cannot move out of `e.0`, as `e` is a captured variable in an `FnMut` closure - --> $DIR/move-into-closure.rs:114:15 + --> $DIR/move-into-closure.rs:100:15 | LL | let e = Either::One(X(Y)); | - captured outer variable @@ -231,16 +301,21 @@ LL | consume_fnmut(|| { | -- captured by this `FnMut` closure ... LL | match e { - | ^ help: consider borrowing here: `&e` + | ^ ... LL | Either::One(_t) => (), | -- | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | match &e { + | + error[E0507]: cannot move out of `x.0`, as `x` is a captured variable in an `FnMut` closure - --> $DIR/move-into-closure.rs:123:25 + --> $DIR/move-into-closure.rs:108:25 | LL | let x = X(Y); | - captured outer variable @@ -249,13 +324,18 @@ LL | consume_fnmut(|| { | -- captured by this `FnMut` closure ... LL | let X(mut _t) = x; - | ------ ^ help: consider borrowing here: `&x` + | ------ ^ | | | data moved here | move occurs because `_t` has type `Y`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | let X(mut _t) = &x; + | + error[E0507]: cannot move out of `em.0`, as `em` is a captured variable in an `FnMut` closure - --> $DIR/move-into-closure.rs:127:38 + --> $DIR/move-into-closure.rs:111:38 | LL | let mut em = Either::One(X(Y)); | ------ captured outer variable @@ -264,13 +344,18 @@ LL | consume_fnmut(|| { | -- captured by this `FnMut` closure ... LL | if let Either::One(mut _t) = em { } - | ------ ^^ help: consider borrowing here: `&em` + | ------ ^^ | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | if let Either::One(mut _t) = &em { } + | + error[E0507]: cannot move out of `em.0`, as `em` is a captured variable in an `FnMut` closure - --> $DIR/move-into-closure.rs:131:41 + --> $DIR/move-into-closure.rs:114:41 | LL | let mut em = Either::One(X(Y)); | ------ captured outer variable @@ -279,13 +364,18 @@ LL | consume_fnmut(|| { | -- captured by this `FnMut` closure ... LL | while let Either::One(mut _t) = em { } - | ------ ^^ help: consider borrowing here: `&em` + | ------ ^^ | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | while let Either::One(mut _t) = &em { } + | + error[E0507]: cannot move out of `em.0`, as `em` is a captured variable in an `FnMut` closure - --> $DIR/move-into-closure.rs:135:15 + --> $DIR/move-into-closure.rs:117:15 | LL | let mut em = Either::One(X(Y)); | ------ captured outer variable @@ -294,16 +384,21 @@ LL | consume_fnmut(|| { | -- captured by this `FnMut` closure ... LL | match em { - | ^^ help: consider borrowing here: `&em` + | ^^ ... LL | Either::One(mut _t) | ------ | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | match &em { + | + error[E0507]: cannot move out of `em.0`, as `em` is a captured variable in an `FnMut` closure - --> $DIR/move-into-closure.rs:142:15 + --> $DIR/move-into-closure.rs:123:15 | LL | let mut em = Either::One(X(Y)); | ------ captured outer variable @@ -312,16 +407,21 @@ LL | consume_fnmut(|| { | -- captured by this `FnMut` closure ... LL | match em { - | ^^ help: consider borrowing here: `&em` + | ^^ ... LL | Either::One(mut _t) => (), | ------ | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | match &em { + | + error[E0507]: cannot move out of `em.0`, as `em` is a captured variable in an `FnMut` closure - --> $DIR/move-into-closure.rs:150:15 + --> $DIR/move-into-closure.rs:130:15 | LL | let mut em = Either::One(X(Y)); | ------ captured outer variable @@ -330,13 +430,18 @@ LL | consume_fnmut(|| { | -- captured by this `FnMut` closure ... LL | match em { - | ^^ help: consider borrowing here: `&em` + | ^^ ... LL | Either::One(mut _t) => (), | ------ | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | match &em { + | + error: aborting due to 21 previous errors diff --git a/src/test/ui/suggestions/dont-suggest-ref/simple.rs b/src/test/ui/suggestions/dont-suggest-ref/simple.rs index c53ac3d2cd6..1e40e60a1ce 100644 --- a/src/test/ui/suggestions/dont-suggest-ref/simple.rs +++ b/src/test/ui/suggestions/dont-suggest-ref/simple.rs @@ -37,27 +37,22 @@ pub fn main() { let X(_t) = *s; //~^ ERROR cannot move - //~| HELP consider borrowing here - //~| SUGGESTION s + //~| HELP consider removing the dereference here if let Either::One(_t) = *r { } //~^ ERROR cannot move - //~| HELP consider borrowing here - //~| SUGGESTION r + //~| HELP consider removing the dereference here while let Either::One(_t) = *r { } //~^ ERROR cannot move - //~| HELP consider borrowing here - //~| SUGGESTION r + //~| HELP consider removing the dereference here match *r { //~^ ERROR cannot move - //~| HELP consider borrowing here - //~| SUGGESTION r + //~| HELP consider removing the dereference here Either::One(_t) | Either::Two(_t) => (), } match *r { //~^ ERROR cannot move - //~| HELP consider borrowing here - //~| SUGGESTION r + //~| HELP consider removing the dereference here Either::One(_t) => (), Either::Two(ref _t) => (), // FIXME: should suggest removing `ref` too @@ -65,35 +60,29 @@ pub fn main() { let X(_t) = *sm; //~^ ERROR cannot move - //~| HELP consider borrowing here - //~| SUGGESTION sm + //~| HELP consider removing the dereference here if let Either::One(_t) = *rm { } //~^ ERROR cannot move - //~| HELP consider borrowing here - //~| SUGGESTION rm + //~| HELP consider removing the dereference here while let Either::One(_t) = *rm { } //~^ ERROR cannot move - //~| HELP consider borrowing here - //~| SUGGESTION rm + //~| HELP consider removing the dereference here match *rm { //~^ ERROR cannot move - //~| HELP consider borrowing here - //~| SUGGESTION rm + //~| HELP consider removing the dereference here Either::One(_t) | Either::Two(_t) => (), } match *rm { //~^ ERROR cannot move - //~| HELP consider borrowing here - //~| SUGGESTION rm + //~| HELP consider removing the dereference here Either::One(_t) => (), Either::Two(ref _t) => (), // FIXME: should suggest removing `ref` too } match *rm { //~^ ERROR cannot move - //~| HELP consider borrowing here - //~| SUGGESTION rm + //~| HELP consider removing the dereference here Either::One(_t) => (), Either::Two(ref mut _t) => (), // FIXME: should suggest removing `ref` too @@ -102,26 +91,21 @@ pub fn main() { let X(_t) = vs[0]; //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &vs[0] if let Either::One(_t) = vr[0] { } //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &vr[0] while let Either::One(_t) = vr[0] { } //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &vr[0] match vr[0] { //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &vr[0] Either::One(_t) | Either::Two(_t) => (), } match vr[0] { //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &vr[0] Either::One(_t) => (), Either::Two(ref _t) => (), // FIXME: should suggest removing `ref` too @@ -130,26 +114,21 @@ pub fn main() { let X(_t) = vsm[0]; //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &vsm[0] if let Either::One(_t) = vrm[0] { } //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &vrm[0] while let Either::One(_t) = vrm[0] { } //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &vrm[0] match vrm[0] { //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &vrm[0] Either::One(_t) | Either::Two(_t) => (), } match vrm[0] { //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &vrm[0] Either::One(_t) => (), Either::Two(ref _t) => (), // FIXME: should suggest removing `ref` too @@ -157,7 +136,6 @@ pub fn main() { match vrm[0] { //~^ ERROR cannot move //~| HELP consider borrowing here - //~| SUGGESTION &vrm[0] Either::One(_t) => (), Either::Two(ref mut _t) => (), // FIXME: should suggest removing `ref` too @@ -167,89 +145,73 @@ pub fn main() { let &X(_t) = s; //~^ ERROR cannot move - //~| HELP consider removing the `&` - //~| SUGGESTION X(_t) + //~| HELP consider removing if let &Either::One(_t) = r { } //~^ ERROR cannot move - //~| HELP consider removing the `&` - //~| SUGGESTION Either::One(_t) + //~| HELP consider removing while let &Either::One(_t) = r { } //~^ ERROR cannot move - //~| HELP consider removing the `&` - //~| SUGGESTION Either::One(_t) + //~| HELP consider removing match r { //~^ ERROR cannot move &Either::One(_t) - //~^ HELP consider removing the `&` - //~| SUGGESTION Either::One(_t) + //~^ HELP consider removing | &Either::Two(_t) => (), // FIXME: would really like a suggestion here too } match r { //~^ ERROR cannot move &Either::One(_t) => (), - //~^ HELP consider removing the `&` - //~| SUGGESTION Either::One(_t) + //~^ HELP consider removing &Either::Two(ref _t) => (), } match r { //~^ ERROR cannot move &Either::One(_t) => (), - //~^ HELP consider removing the `&` - //~| SUGGESTION Either::One(_t) + //~^ HELP consider removing Either::Two(_t) => (), } fn f1(&X(_t): &X) { } //~^ ERROR cannot move - //~| HELP consider removing the `&` - //~| SUGGESTION X(_t) + //~| HELP consider removing let &mut X(_t) = sm; //~^ ERROR cannot move - //~| HELP consider removing the `&mut` - //~| SUGGESTION X(_t) + //~| HELP consider removing if let &mut Either::One(_t) = rm { } //~^ ERROR cannot move - //~| HELP consider removing the `&mut` - //~| SUGGESTION Either::One(_t) + //~| HELP consider removing while let &mut Either::One(_t) = rm { } //~^ ERROR cannot move - //~| HELP consider removing the `&mut` - //~| SUGGESTION Either::One(_t) + //~| HELP consider removing match rm { //~^ ERROR cannot move &mut Either::One(_t) => (), - //~^ HELP consider removing the `&mut` - //~| SUGGESTION Either::One(_t) + //~^ HELP consider removing &mut Either::Two(_t) => (), - //~^ HELP consider removing the `&mut` - //~| SUGGESTION Either::Two(_t) + //~^ HELP consider removing } match rm { //~^ ERROR cannot move &mut Either::One(_t) => (), - //~^ HELP consider removing the `&mut` - //~| SUGGESTION Either::One(_t) + //~^ HELP consider removing &mut Either::Two(ref _t) => (), } match rm { //~^ ERROR cannot move &mut Either::One(_t) => (), - //~^ HELP consider removing the `&mut` - //~| SUGGESTION Either::One(_t) + //~^ HELP consider removing &mut Either::Two(ref mut _t) => (), } match rm { //~^ ERROR cannot move &mut Either::One(_t) => (), - //~^ HELP consider removing the `&mut` - //~| SUGGESTION Either::One(_t) + //~^ HELP consider removing Either::Two(_t) => (), } fn f2(&mut X(_t): &mut X) { } //~^ ERROR cannot move - //~| HELP consider removing the `&mut` - //~| SUGGESTION X(_t) + //~| HELP consider removing // move from tuple of &Either/&X @@ -257,108 +219,118 @@ pub fn main() { let (&X(_t),) = (&x.clone(),); //~^ ERROR cannot move + //~| HELP consider borrowing the pattern binding if let (&Either::One(_t),) = (&e.clone(),) { } //~^ ERROR cannot move + //~| HELP consider borrowing the pattern binding while let (&Either::One(_t),) = (&e.clone(),) { } //~^ ERROR cannot move + //~| HELP consider borrowing the pattern binding match (&e.clone(),) { //~^ ERROR cannot move (&Either::One(_t),) + //~^ HELP consider borrowing the pattern binding | (&Either::Two(_t),) => (), } fn f3((&X(_t),): (&X,)) { } //~^ ERROR cannot move + //~| HELP consider borrowing the pattern binding let (&mut X(_t),) = (&mut xm.clone(),); //~^ ERROR cannot move + //~| HELP consider borrowing the pattern binding if let (&mut Either::One(_t),) = (&mut em.clone(),) { } //~^ ERROR cannot move + //~| HELP consider borrowing the pattern binding while let (&mut Either::One(_t),) = (&mut em.clone(),) { } //~^ ERROR cannot move + //~| HELP consider borrowing the pattern binding match (&mut em.clone(),) { //~^ ERROR cannot move (&mut Either::One(_t),) => (), + //~^ HELP consider borrowing the pattern binding (&mut Either::Two(_t),) => (), + //~^ HELP consider borrowing the pattern binding } fn f4((&mut X(_t),): (&mut X,)) { } //~^ ERROR cannot move + //~| HELP consider borrowing the pattern binding // move from &Either/&X value let &X(_t) = &x; //~^ ERROR cannot move - //~| HELP consider removing the `&` - //~| SUGGESTION X(_t) + //~| HELP consider removing if let &Either::One(_t) = &e { } //~^ ERROR cannot move - //~| HELP consider removing the `&` - //~| SUGGESTION Either::One(_t) + //~| HELP consider removing while let &Either::One(_t) = &e { } //~^ ERROR cannot move - //~| HELP consider removing the `&` - //~| SUGGESTION Either::One(_t) + //~| HELP consider removing match &e { //~^ ERROR cannot move &Either::One(_t) - //~^ HELP consider removing the `&` - //~| SUGGESTION Either::One(_t) + //~^ HELP consider removing | &Either::Two(_t) => (), // FIXME: would really like a suggestion here too } match &e { //~^ ERROR cannot move &Either::One(_t) => (), - //~^ HELP consider removing the `&` - //~| SUGGESTION Either::One(_t) + //~^ HELP consider removing &Either::Two(ref _t) => (), } match &e { //~^ ERROR cannot move &Either::One(_t) => (), - //~^ HELP consider removing the `&` - //~| SUGGESTION Either::One(_t) + //~^ HELP consider removing Either::Two(_t) => (), } let &mut X(_t) = &mut xm; //~^ ERROR cannot move - //~| HELP consider removing the `&mut` - //~| SUGGESTION X(_t) + //~| HELP consider removing if let &mut Either::One(_t) = &mut em { } //~^ ERROR cannot move - //~| HELP consider removing the `&mut` - //~| SUGGESTION Either::One(_t) + //~| HELP consider removing while let &mut Either::One(_t) = &mut em { } //~^ ERROR cannot move - //~| HELP consider removing the `&mut` - //~| SUGGESTION Either::One(_t) + //~| HELP consider removing match &mut em { //~^ ERROR cannot move &mut Either::One(_t) - //~^ HELP consider removing the `&mut` - //~| SUGGESTION Either::One(_t) + //~^ HELP consider removing | &mut Either::Two(_t) => (), // FIXME: would really like a suggestion here too } match &mut em { //~^ ERROR cannot move &mut Either::One(_t) => (), - //~^ HELP consider removing the `&mut` - //~| SUGGESTION Either::One(_t) + //~^ HELP consider removing &mut Either::Two(ref _t) => (), } match &mut em { //~^ ERROR cannot move &mut Either::One(_t) => (), - //~^ HELP consider removing the `&mut` - //~| SUGGESTION Either::One(_t) + //~^ HELP consider removing &mut Either::Two(ref mut _t) => (), } match &mut em { //~^ ERROR cannot move &mut Either::One(_t) => (), - //~^ HELP consider removing the `&mut` - //~| SUGGESTION Either::One(_t) + //~^ HELP consider removing Either::Two(_t) => (), } } + +struct Testing { + a: Option<String> +} + +fn testing(a: &Testing) { + let Some(_s) = a.a else { + //~^ ERROR cannot move + //~| HELP consider borrowing the pattern binding + return; + }; +} diff --git a/src/test/ui/suggestions/dont-suggest-ref/simple.stderr b/src/test/ui/suggestions/dont-suggest-ref/simple.stderr index e5443290f9e..52632652423 100644 --- a/src/test/ui/suggestions/dont-suggest-ref/simple.stderr +++ b/src/test/ui/suggestions/dont-suggest-ref/simple.stderr @@ -2,262 +2,398 @@ error[E0507]: cannot move out of `s` which is behind a shared reference --> $DIR/simple.rs:38:17 | LL | let X(_t) = *s; - | -- ^^ help: consider borrowing here: `&*s` + | -- ^^ | | | data moved here | move occurs because `_t` has type `Y`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - let X(_t) = *s; +LL + let X(_t) = s; + | error[E0507]: cannot move out of `r` as enum variant `One` which is behind a shared reference - --> $DIR/simple.rs:42:30 + --> $DIR/simple.rs:41:30 | LL | if let Either::One(_t) = *r { } - | -- ^^ help: consider borrowing here: `&*r` + | -- ^^ | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - if let Either::One(_t) = *r { } +LL + if let Either::One(_t) = r { } + | error[E0507]: cannot move out of `r` as enum variant `One` which is behind a shared reference - --> $DIR/simple.rs:46:33 + --> $DIR/simple.rs:44:33 | LL | while let Either::One(_t) = *r { } - | -- ^^ help: consider borrowing here: `&*r` + | -- ^^ | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - while let Either::One(_t) = *r { } +LL + while let Either::One(_t) = r { } + | error[E0507]: cannot move out of `r` as enum variant `Two` which is behind a shared reference - --> $DIR/simple.rs:50:11 + --> $DIR/simple.rs:47:11 | LL | match *r { - | ^^ help: consider borrowing here: `&*r` + | ^^ ... LL | Either::One(_t) | -- | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - match *r { +LL + match r { + | error[E0507]: cannot move out of `r` as enum variant `One` which is behind a shared reference - --> $DIR/simple.rs:57:11 + --> $DIR/simple.rs:53:11 | LL | match *r { - | ^^ help: consider borrowing here: `&*r` + | ^^ ... LL | Either::One(_t) => (), | -- | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - match *r { +LL + match r { + | error[E0507]: cannot move out of `sm` which is behind a mutable reference - --> $DIR/simple.rs:66:17 + --> $DIR/simple.rs:61:17 | LL | let X(_t) = *sm; - | -- ^^^ help: consider borrowing here: `&*sm` + | -- ^^^ | | | data moved here | move occurs because `_t` has type `Y`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - let X(_t) = *sm; +LL + let X(_t) = sm; + | error[E0507]: cannot move out of `rm` as enum variant `One` which is behind a mutable reference - --> $DIR/simple.rs:70:30 + --> $DIR/simple.rs:64:30 | LL | if let Either::One(_t) = *rm { } - | -- ^^^ help: consider borrowing here: `&*rm` + | -- ^^^ | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - if let Either::One(_t) = *rm { } +LL + if let Either::One(_t) = rm { } + | error[E0507]: cannot move out of `rm` as enum variant `One` which is behind a mutable reference - --> $DIR/simple.rs:74:33 + --> $DIR/simple.rs:67:33 | LL | while let Either::One(_t) = *rm { } - | -- ^^^ help: consider borrowing here: `&*rm` + | -- ^^^ | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - while let Either::One(_t) = *rm { } +LL + while let Either::One(_t) = rm { } + | error[E0507]: cannot move out of `rm` as enum variant `Two` which is behind a mutable reference - --> $DIR/simple.rs:78:11 + --> $DIR/simple.rs:70:11 | LL | match *rm { - | ^^^ help: consider borrowing here: `&*rm` + | ^^^ ... LL | Either::One(_t) | -- | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - match *rm { +LL + match rm { + | error[E0507]: cannot move out of `rm` as enum variant `One` which is behind a mutable reference - --> $DIR/simple.rs:85:11 + --> $DIR/simple.rs:76:11 | LL | match *rm { - | ^^^ help: consider borrowing here: `&*rm` + | ^^^ ... LL | Either::One(_t) => (), | -- | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - match *rm { +LL + match rm { + | error[E0507]: cannot move out of `rm` as enum variant `One` which is behind a mutable reference - --> $DIR/simple.rs:93:11 + --> $DIR/simple.rs:83:11 | LL | match *rm { - | ^^^ help: consider borrowing here: `&*rm` + | ^^^ ... LL | Either::One(_t) => (), | -- | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider removing the dereference here + | +LL - match *rm { +LL + match rm { + | error[E0507]: cannot move out of index of `Vec<X>` - --> $DIR/simple.rs:102:17 + --> $DIR/simple.rs:91:17 | LL | let X(_t) = vs[0]; - | -- ^^^^^ help: consider borrowing here: `&vs[0]` + | -- ^^^^^ | | | data moved here | move occurs because `_t` has type `Y`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | let X(_t) = &vs[0]; + | + error[E0507]: cannot move out of index of `Vec<Either>` - --> $DIR/simple.rs:106:30 + --> $DIR/simple.rs:94:30 | LL | if let Either::One(_t) = vr[0] { } - | -- ^^^^^ help: consider borrowing here: `&vr[0]` + | -- ^^^^^ | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | if let Either::One(_t) = &vr[0] { } + | + error[E0507]: cannot move out of index of `Vec<Either>` - --> $DIR/simple.rs:110:33 + --> $DIR/simple.rs:97:33 | LL | while let Either::One(_t) = vr[0] { } - | -- ^^^^^ help: consider borrowing here: `&vr[0]` + | -- ^^^^^ | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | while let Either::One(_t) = &vr[0] { } + | + error[E0507]: cannot move out of index of `Vec<Either>` - --> $DIR/simple.rs:114:11 + --> $DIR/simple.rs:100:11 | LL | match vr[0] { - | ^^^^^ help: consider borrowing here: `&vr[0]` + | ^^^^^ ... LL | Either::One(_t) | -- | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | match &vr[0] { + | + error[E0507]: cannot move out of index of `Vec<Either>` - --> $DIR/simple.rs:121:11 + --> $DIR/simple.rs:106:11 | LL | match vr[0] { - | ^^^^^ help: consider borrowing here: `&vr[0]` + | ^^^^^ ... LL | Either::One(_t) => (), | -- | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | match &vr[0] { + | + error[E0507]: cannot move out of index of `Vec<X>` - --> $DIR/simple.rs:130:17 + --> $DIR/simple.rs:114:17 | LL | let X(_t) = vsm[0]; - | -- ^^^^^^ help: consider borrowing here: `&vsm[0]` + | -- ^^^^^^ | | | data moved here | move occurs because `_t` has type `Y`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | let X(_t) = &vsm[0]; + | + error[E0507]: cannot move out of index of `Vec<Either>` - --> $DIR/simple.rs:134:30 + --> $DIR/simple.rs:117:30 | LL | if let Either::One(_t) = vrm[0] { } - | -- ^^^^^^ help: consider borrowing here: `&vrm[0]` + | -- ^^^^^^ | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | if let Either::One(_t) = &vrm[0] { } + | + error[E0507]: cannot move out of index of `Vec<Either>` - --> $DIR/simple.rs:138:33 + --> $DIR/simple.rs:120:33 | LL | while let Either::One(_t) = vrm[0] { } - | -- ^^^^^^ help: consider borrowing here: `&vrm[0]` + | -- ^^^^^^ | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | while let Either::One(_t) = &vrm[0] { } + | + error[E0507]: cannot move out of index of `Vec<Either>` - --> $DIR/simple.rs:142:11 + --> $DIR/simple.rs:123:11 | LL | match vrm[0] { - | ^^^^^^ help: consider borrowing here: `&vrm[0]` + | ^^^^^^ ... LL | Either::One(_t) | -- | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | match &vrm[0] { + | + error[E0507]: cannot move out of index of `Vec<Either>` - --> $DIR/simple.rs:149:11 + --> $DIR/simple.rs:129:11 | LL | match vrm[0] { - | ^^^^^^ help: consider borrowing here: `&vrm[0]` + | ^^^^^^ ... LL | Either::One(_t) => (), | -- | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | match &vrm[0] { + | + error[E0507]: cannot move out of index of `Vec<Either>` - --> $DIR/simple.rs:157:11 + --> $DIR/simple.rs:136:11 | LL | match vrm[0] { - | ^^^^^^ help: consider borrowing here: `&vrm[0]` + | ^^^^^^ ... LL | Either::One(_t) => (), | -- | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | match &vrm[0] { + | + error[E0507]: cannot move out of `s` which is behind a shared reference - --> $DIR/simple.rs:168:18 + --> $DIR/simple.rs:146:18 | LL | let &X(_t) = s; - | ------ ^ - | | | - | | data moved here - | | move occurs because `_t` has type `Y`, which does not implement the `Copy` trait - | help: consider removing the `&`: `X(_t)` + | -- ^ + | | + | data moved here + | move occurs because `_t` has type `Y`, which does not implement the `Copy` trait + | +help: consider removing the borrow + | +LL - let &X(_t) = s; +LL + let X(_t) = s; + | error[E0507]: cannot move out of `r` as enum variant `One` which is behind a shared reference - --> $DIR/simple.rs:172:31 + --> $DIR/simple.rs:149:31 | LL | if let &Either::One(_t) = r { } - | ---------------- ^ - | | | - | | data moved here - | | move occurs because `_t` has type `X`, which does not implement the `Copy` trait - | help: consider removing the `&`: `Either::One(_t)` + | -- ^ + | | + | data moved here + | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider removing the borrow + | +LL - if let &Either::One(_t) = r { } +LL + if let Either::One(_t) = r { } + | error[E0507]: cannot move out of `r` as enum variant `One` which is behind a shared reference - --> $DIR/simple.rs:176:34 + --> $DIR/simple.rs:152:34 | LL | while let &Either::One(_t) = r { } - | ---------------- ^ - | | | - | | data moved here - | | move occurs because `_t` has type `X`, which does not implement the `Copy` trait - | help: consider removing the `&`: `Either::One(_t)` + | -- ^ + | | + | data moved here + | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider removing the borrow + | +LL - while let &Either::One(_t) = r { } +LL + while let Either::One(_t) = r { } + | error[E0507]: cannot move out of `r` as enum variant `Two` which is behind a shared reference - --> $DIR/simple.rs:180:11 + --> $DIR/simple.rs:155:11 | LL | match r { | ^ @@ -268,160 +404,215 @@ LL | &Either::One(_t) | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait | -help: consider removing the `&` +help: consider removing the borrow | -LL ~ Either::One(_t) -LL + -LL + -LL ~ | &Either::Two(_t) => (), +LL - &Either::One(_t) +LL + Either::One(_t) | error[E0507]: cannot move out of `r` as enum variant `One` which is behind a shared reference - --> $DIR/simple.rs:188:11 + --> $DIR/simple.rs:162:11 | LL | match r { | ^ LL | LL | &Either::One(_t) => (), - | ---------------- - | | | - | | data moved here - | | move occurs because `_t` has type `X`, which does not implement the `Copy` trait - | help: consider removing the `&`: `Either::One(_t)` + | -- + | | + | data moved here + | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider removing the borrow + | +LL - &Either::One(_t) => (), +LL + Either::One(_t) => (), + | error[E0507]: cannot move out of `r` as enum variant `One` which is behind a shared reference - --> $DIR/simple.rs:195:11 + --> $DIR/simple.rs:168:11 | LL | match r { | ^ LL | LL | &Either::One(_t) => (), - | ---------------- - | | | - | | data moved here - | | move occurs because `_t` has type `X`, which does not implement the `Copy` trait - | help: consider removing the `&`: `Either::One(_t)` + | -- + | | + | data moved here + | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider removing the borrow + | +LL - &Either::One(_t) => (), +LL + Either::One(_t) => (), + | error[E0507]: cannot move out of `sm` which is behind a mutable reference - --> $DIR/simple.rs:207:22 + --> $DIR/simple.rs:178:22 | LL | let &mut X(_t) = sm; - | ---------- ^^ - | | | - | | data moved here - | | move occurs because `_t` has type `Y`, which does not implement the `Copy` trait - | help: consider removing the `&mut`: `X(_t)` + | -- ^^ + | | + | data moved here + | move occurs because `_t` has type `Y`, which does not implement the `Copy` trait + | +help: consider removing the mutable borrow + | +LL - let &mut X(_t) = sm; +LL + let X(_t) = sm; + | error[E0507]: cannot move out of `rm` as enum variant `One` which is behind a mutable reference - --> $DIR/simple.rs:211:35 + --> $DIR/simple.rs:181:35 | LL | if let &mut Either::One(_t) = rm { } - | -------------------- ^^ - | | | - | | data moved here - | | move occurs because `_t` has type `X`, which does not implement the `Copy` trait - | help: consider removing the `&mut`: `Either::One(_t)` + | -- ^^ + | | + | data moved here + | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider removing the mutable borrow + | +LL - if let &mut Either::One(_t) = rm { } +LL + if let Either::One(_t) = rm { } + | error[E0507]: cannot move out of `rm` as enum variant `One` which is behind a mutable reference - --> $DIR/simple.rs:215:38 + --> $DIR/simple.rs:184:38 | LL | while let &mut Either::One(_t) = rm { } - | -------------------- ^^ - | | | - | | data moved here - | | move occurs because `_t` has type `X`, which does not implement the `Copy` trait - | help: consider removing the `&mut`: `Either::One(_t)` + | -- ^^ + | | + | data moved here + | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider removing the mutable borrow + | +LL - while let &mut Either::One(_t) = rm { } +LL + while let Either::One(_t) = rm { } + | error[E0507]: cannot move out of `rm` as enum variant `Two` which is behind a mutable reference - --> $DIR/simple.rs:219:11 + --> $DIR/simple.rs:187:11 | LL | match rm { | ^^ LL | LL | &mut Either::One(_t) => (), | -- data moved here -... +LL | LL | &mut Either::Two(_t) => (), | -- ...and here | = note: move occurs because these variables have types that don't implement the `Copy` trait -help: consider removing the `&mut` +help: consider removing the mutable borrow | -LL | Either::One(_t) => (), - | ~~~~~~~~~~~~~~~ -help: consider removing the `&mut` +LL - &mut Either::One(_t) => (), +LL + Either::One(_t) => (), + | +help: consider removing the mutable borrow + | +LL - &mut Either::Two(_t) => (), +LL + Either::Two(_t) => (), | -LL | Either::Two(_t) => (), - | ~~~~~~~~~~~~~~~ error[E0507]: cannot move out of `rm` as enum variant `One` which is behind a mutable reference - --> $DIR/simple.rs:228:11 + --> $DIR/simple.rs:194:11 | LL | match rm { | ^^ LL | LL | &mut Either::One(_t) => (), - | -------------------- - | | | - | | data moved here - | | move occurs because `_t` has type `X`, which does not implement the `Copy` trait - | help: consider removing the `&mut`: `Either::One(_t)` + | -- + | | + | data moved here + | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider removing the mutable borrow + | +LL - &mut Either::One(_t) => (), +LL + Either::One(_t) => (), + | error[E0507]: cannot move out of `rm` as enum variant `One` which is behind a mutable reference - --> $DIR/simple.rs:235:11 + --> $DIR/simple.rs:200:11 | LL | match rm { | ^^ LL | LL | &mut Either::One(_t) => (), - | -------------------- - | | | - | | data moved here - | | move occurs because `_t` has type `X`, which does not implement the `Copy` trait - | help: consider removing the `&mut`: `Either::One(_t)` + | -- + | | + | data moved here + | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider removing the mutable borrow + | +LL - &mut Either::One(_t) => (), +LL + Either::One(_t) => (), + | error[E0507]: cannot move out of `rm` as enum variant `One` which is behind a mutable reference - --> $DIR/simple.rs:242:11 + --> $DIR/simple.rs:206:11 | LL | match rm { | ^^ LL | LL | &mut Either::One(_t) => (), - | -------------------- - | | | - | | data moved here - | | move occurs because `_t` has type `X`, which does not implement the `Copy` trait - | help: consider removing the `&mut`: `Either::One(_t)` + | -- + | | + | data moved here + | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider removing the mutable borrow + | +LL - &mut Either::One(_t) => (), +LL + Either::One(_t) => (), + | error[E0507]: cannot move out of a shared reference - --> $DIR/simple.rs:258:21 + --> $DIR/simple.rs:220:21 | LL | let (&X(_t),) = (&x.clone(),); | -- ^^^^^^^^^^^^^ | | | data moved here | move occurs because `_t` has type `Y`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | let (&X(ref _t),) = (&x.clone(),); + | +++ error[E0507]: cannot move out of a shared reference - --> $DIR/simple.rs:260:34 + --> $DIR/simple.rs:223:34 | LL | if let (&Either::One(_t),) = (&e.clone(),) { } | -- ^^^^^^^^^^^^^ | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | if let (&Either::One(ref _t),) = (&e.clone(),) { } + | +++ error[E0507]: cannot move out of a shared reference - --> $DIR/simple.rs:262:37 + --> $DIR/simple.rs:226:37 | LL | while let (&Either::One(_t),) = (&e.clone(),) { } | -- ^^^^^^^^^^^^^ | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | while let (&Either::One(ref _t),) = (&e.clone(),) { } + | +++ error[E0507]: cannot move out of a shared reference - --> $DIR/simple.rs:264:11 + --> $DIR/simple.rs:229:11 | LL | match (&e.clone(),) { | ^^^^^^^^^^^^^ @@ -431,79 +622,123 @@ LL | (&Either::One(_t),) | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | (&Either::One(ref _t),) + | +++ error[E0507]: cannot move out of a mutable reference - --> $DIR/simple.rs:272:25 + --> $DIR/simple.rs:239:25 | LL | let (&mut X(_t),) = (&mut xm.clone(),); | -- ^^^^^^^^^^^^^^^^^^ | | | data moved here | move occurs because `_t` has type `Y`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | let (&mut X(ref _t),) = (&mut xm.clone(),); + | +++ error[E0507]: cannot move out of a mutable reference - --> $DIR/simple.rs:274:38 + --> $DIR/simple.rs:242:38 | LL | if let (&mut Either::One(_t),) = (&mut em.clone(),) { } | -- ^^^^^^^^^^^^^^^^^^ | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | if let (&mut Either::One(ref _t),) = (&mut em.clone(),) { } + | +++ error[E0507]: cannot move out of a mutable reference - --> $DIR/simple.rs:276:41 + --> $DIR/simple.rs:245:41 | LL | while let (&mut Either::One(_t),) = (&mut em.clone(),) { } | -- ^^^^^^^^^^^^^^^^^^ | | | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | while let (&mut Either::One(ref _t),) = (&mut em.clone(),) { } + | +++ error[E0507]: cannot move out of a mutable reference - --> $DIR/simple.rs:278:11 + --> $DIR/simple.rs:248:11 | LL | match (&mut em.clone(),) { | ^^^^^^^^^^^^^^^^^^ LL | LL | (&mut Either::One(_t),) => (), | -- data moved here +LL | LL | (&mut Either::Two(_t),) => (), | -- ...and here | = note: move occurs because these variables have types that don't implement the `Copy` trait +help: consider borrowing the pattern binding + | +LL | (&mut Either::One(ref _t),) => (), + | +++ +help: consider borrowing the pattern binding + | +LL | (&mut Either::Two(ref _t),) => (), + | +++ error[E0507]: cannot move out of a shared reference - --> $DIR/simple.rs:288:18 + --> $DIR/simple.rs:261:18 | LL | let &X(_t) = &x; - | ------ ^^ - | | | - | | data moved here - | | move occurs because `_t` has type `Y`, which does not implement the `Copy` trait - | help: consider removing the `&`: `X(_t)` + | -- ^^ + | | + | data moved here + | move occurs because `_t` has type `Y`, which does not implement the `Copy` trait + | +help: consider removing the borrow + | +LL - let &X(_t) = &x; +LL + let X(_t) = &x; + | error[E0507]: cannot move out of a shared reference - --> $DIR/simple.rs:292:31 + --> $DIR/simple.rs:264:31 | LL | if let &Either::One(_t) = &e { } - | ---------------- ^^ - | | | - | | data moved here - | | move occurs because `_t` has type `X`, which does not implement the `Copy` trait - | help: consider removing the `&`: `Either::One(_t)` + | -- ^^ + | | + | data moved here + | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider removing the borrow + | +LL - if let &Either::One(_t) = &e { } +LL + if let Either::One(_t) = &e { } + | error[E0507]: cannot move out of a shared reference - --> $DIR/simple.rs:296:34 + --> $DIR/simple.rs:267:34 | LL | while let &Either::One(_t) = &e { } - | ---------------- ^^ - | | | - | | data moved here - | | move occurs because `_t` has type `X`, which does not implement the `Copy` trait - | help: consider removing the `&`: `Either::One(_t)` + | -- ^^ + | | + | data moved here + | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider removing the borrow + | +LL - while let &Either::One(_t) = &e { } +LL + while let Either::One(_t) = &e { } + | error[E0507]: cannot move out of a shared reference - --> $DIR/simple.rs:300:11 + --> $DIR/simple.rs:270:11 | LL | match &e { | ^^ @@ -514,72 +749,95 @@ LL | &Either::One(_t) | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait | -help: consider removing the `&` +help: consider removing the borrow | -LL ~ Either::One(_t) -LL + -LL + -LL ~ | &Either::Two(_t) => (), +LL - &Either::One(_t) +LL + Either::One(_t) | error[E0507]: cannot move out of a shared reference - --> $DIR/simple.rs:308:11 + --> $DIR/simple.rs:277:11 | LL | match &e { | ^^ LL | LL | &Either::One(_t) => (), - | ---------------- - | | | - | | data moved here - | | move occurs because `_t` has type `X`, which does not implement the `Copy` trait - | help: consider removing the `&`: `Either::One(_t)` + | -- + | | + | data moved here + | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider removing the borrow + | +LL - &Either::One(_t) => (), +LL + Either::One(_t) => (), + | error[E0507]: cannot move out of a shared reference - --> $DIR/simple.rs:315:11 + --> $DIR/simple.rs:283:11 | LL | match &e { | ^^ LL | LL | &Either::One(_t) => (), - | ---------------- - | | | - | | data moved here - | | move occurs because `_t` has type `X`, which does not implement the `Copy` trait - | help: consider removing the `&`: `Either::One(_t)` + | -- + | | + | data moved here + | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider removing the borrow + | +LL - &Either::One(_t) => (), +LL + Either::One(_t) => (), + | error[E0507]: cannot move out of a mutable reference - --> $DIR/simple.rs:323:22 + --> $DIR/simple.rs:290:22 | LL | let &mut X(_t) = &mut xm; - | ---------- ^^^^^^^ - | | | - | | data moved here - | | move occurs because `_t` has type `Y`, which does not implement the `Copy` trait - | help: consider removing the `&mut`: `X(_t)` + | -- ^^^^^^^ + | | + | data moved here + | move occurs because `_t` has type `Y`, which does not implement the `Copy` trait + | +help: consider removing the mutable borrow + | +LL - let &mut X(_t) = &mut xm; +LL + let X(_t) = &mut xm; + | error[E0507]: cannot move out of a mutable reference - --> $DIR/simple.rs:327:35 + --> $DIR/simple.rs:293:35 | LL | if let &mut Either::One(_t) = &mut em { } - | -------------------- ^^^^^^^ - | | | - | | data moved here - | | move occurs because `_t` has type `X`, which does not implement the `Copy` trait - | help: consider removing the `&mut`: `Either::One(_t)` + | -- ^^^^^^^ + | | + | data moved here + | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider removing the mutable borrow + | +LL - if let &mut Either::One(_t) = &mut em { } +LL + if let Either::One(_t) = &mut em { } + | error[E0507]: cannot move out of a mutable reference - --> $DIR/simple.rs:331:38 + --> $DIR/simple.rs:296:38 | LL | while let &mut Either::One(_t) = &mut em { } - | -------------------- ^^^^^^^ - | | | - | | data moved here - | | move occurs because `_t` has type `X`, which does not implement the `Copy` trait - | help: consider removing the `&mut`: `Either::One(_t)` + | -- ^^^^^^^ + | | + | data moved here + | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider removing the mutable borrow + | +LL - while let &mut Either::One(_t) = &mut em { } +LL + while let Either::One(_t) = &mut em { } + | error[E0507]: cannot move out of a mutable reference - --> $DIR/simple.rs:335:11 + --> $DIR/simple.rs:299:11 | LL | match &mut em { | ^^^^^^^ @@ -590,91 +848,138 @@ LL | &mut Either::One(_t) | data moved here | move occurs because `_t` has type `X`, which does not implement the `Copy` trait | -help: consider removing the `&mut` +help: consider removing the mutable borrow | -LL ~ Either::One(_t) -LL + -LL + -LL ~ | &mut Either::Two(_t) => (), +LL - &mut Either::One(_t) +LL + Either::One(_t) | error[E0507]: cannot move out of a mutable reference - --> $DIR/simple.rs:343:11 + --> $DIR/simple.rs:306:11 | LL | match &mut em { | ^^^^^^^ LL | LL | &mut Either::One(_t) => (), - | -------------------- - | | | - | | data moved here - | | move occurs because `_t` has type `X`, which does not implement the `Copy` trait - | help: consider removing the `&mut`: `Either::One(_t)` + | -- + | | + | data moved here + | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider removing the mutable borrow + | +LL - &mut Either::One(_t) => (), +LL + Either::One(_t) => (), + | error[E0507]: cannot move out of a mutable reference - --> $DIR/simple.rs:350:11 + --> $DIR/simple.rs:312:11 | LL | match &mut em { | ^^^^^^^ LL | LL | &mut Either::One(_t) => (), - | -------------------- - | | | - | | data moved here - | | move occurs because `_t` has type `X`, which does not implement the `Copy` trait - | help: consider removing the `&mut`: `Either::One(_t)` + | -- + | | + | data moved here + | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider removing the mutable borrow + | +LL - &mut Either::One(_t) => (), +LL + Either::One(_t) => (), + | error[E0507]: cannot move out of a mutable reference - --> $DIR/simple.rs:357:11 + --> $DIR/simple.rs:318:11 | LL | match &mut em { | ^^^^^^^ LL | LL | &mut Either::One(_t) => (), - | -------------------- - | | | - | | data moved here - | | move occurs because `_t` has type `X`, which does not implement the `Copy` trait - | help: consider removing the `&mut`: `Either::One(_t)` + | -- + | | + | data moved here + | move occurs because `_t` has type `X`, which does not implement the `Copy` trait + | +help: consider removing the mutable borrow + | +LL - &mut Either::One(_t) => (), +LL + Either::One(_t) => (), + | error[E0507]: cannot move out of a shared reference - --> $DIR/simple.rs:202:11 + --> $DIR/simple.rs:174:11 | LL | fn f1(&X(_t): &X) { } | ^^^--^ - | | | - | | data moved here - | | move occurs because `_t` has type `Y`, which does not implement the `Copy` trait - | help: consider removing the `&`: `X(_t)` + | | + | data moved here + | move occurs because `_t` has type `Y`, which does not implement the `Copy` trait + | +help: consider removing the borrow + | +LL - fn f1(&X(_t): &X) { } +LL + fn f1(X(_t): &X) { } + | error[E0507]: cannot move out of a mutable reference - --> $DIR/simple.rs:249:11 + --> $DIR/simple.rs:212:11 | LL | fn f2(&mut X(_t): &mut X) { } | ^^^^^^^--^ - | | | - | | data moved here - | | move occurs because `_t` has type `Y`, which does not implement the `Copy` trait - | help: consider removing the `&mut`: `X(_t)` + | | + | data moved here + | move occurs because `_t` has type `Y`, which does not implement the `Copy` trait + | +help: consider removing the mutable borrow + | +LL - fn f2(&mut X(_t): &mut X) { } +LL + fn f2(X(_t): &mut X) { } + | error[E0507]: cannot move out of a shared reference - --> $DIR/simple.rs:269:11 + --> $DIR/simple.rs:235:11 | LL | fn f3((&X(_t),): (&X,)) { } | ^^^^--^^^ | | | data moved here | move occurs because `_t` has type `Y`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | fn f3((&X(ref _t),): (&X,)) { } + | +++ error[E0507]: cannot move out of a mutable reference - --> $DIR/simple.rs:283:11 + --> $DIR/simple.rs:255:11 | LL | fn f4((&mut X(_t),): (&mut X,)) { } | ^^^^^^^^--^^^ | | | data moved here | move occurs because `_t` has type `Y`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | fn f4((&mut X(ref _t),): (&mut X,)) { } + | +++ + +error[E0507]: cannot move out of `a.a` as enum variant `Some` which is behind a shared reference + --> $DIR/simple.rs:331:20 + | +LL | let Some(_s) = a.a else { + | -- ^^^ + | | + | data moved here + | move occurs because `_s` has type `String`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | let Some(ref _s) = a.a else { + | +++ -error: aborting due to 60 previous errors +error: aborting due to 61 previous errors For more information about this error, try `rustc --explain E0507`. diff --git a/src/test/ui/suggestions/expected-boxed-future-isnt-pinned.stderr b/src/test/ui/suggestions/expected-boxed-future-isnt-pinned.stderr index 34ff59a9bb0..b1e04dab8f6 100644 --- a/src/test/ui/suggestions/expected-boxed-future-isnt-pinned.stderr +++ b/src/test/ui/suggestions/expected-boxed-future-isnt-pinned.stderr @@ -41,9 +41,6 @@ LL | Pin::new(x) found type parameter `F` note: associated function defined here --> $SRC_DIR/core/src/pin.rs:LL:COL - | -LL | pub const fn new(pointer: P) -> Pin<P> { - | ^^^ error[E0277]: `dyn Future<Output = i32> + Send` cannot be unpinned --> $DIR/expected-boxed-future-isnt-pinned.rs:19:14 @@ -56,9 +53,6 @@ LL | Pin::new(x) = note: consider using `Box::pin` note: required by a bound in `Pin::<P>::new` --> $SRC_DIR/core/src/pin.rs:LL:COL - | -LL | impl<P: Deref<Target: Unpin>> Pin<P> { - | ^^^^^ required by this bound in `Pin::<P>::new` error[E0277]: `dyn Future<Output = i32> + Send` cannot be unpinned --> $DIR/expected-boxed-future-isnt-pinned.rs:24:14 @@ -71,9 +65,6 @@ LL | Pin::new(Box::new(x)) = note: consider using `Box::pin` note: required by a bound in `Pin::<P>::new` --> $SRC_DIR/core/src/pin.rs:LL:COL - | -LL | impl<P: Deref<Target: Unpin>> Pin<P> { - | ^^^^^ required by this bound in `Pin::<P>::new` error[E0308]: mismatched types --> $DIR/expected-boxed-future-isnt-pinned.rs:28:5 @@ -90,9 +81,6 @@ LL | | } found `async` block `[async block@$DIR/expected-boxed-future-isnt-pinned.rs:28:5: 30:6]` note: function defined here --> $SRC_DIR/core/src/future/mod.rs:LL:COL - | -LL | pub const fn identity_future<O, Fut: Future<Output = O>>(f: Fut) -> Fut { - | ^^^^^^^^^^^^^^^ help: you need to pin and box this expression | LL ~ Box::pin(async { diff --git a/src/test/ui/suggestions/for-i-in-vec.stderr b/src/test/ui/suggestions/for-i-in-vec.stderr index 88be9e30a76..c5b81e6b871 100644 --- a/src/test/ui/suggestions/for-i-in-vec.stderr +++ b/src/test/ui/suggestions/for-i-in-vec.stderr @@ -7,11 +7,8 @@ LL | for _ in self.v { | `self.v` moved due to this implicit call to `.into_iter()` | move occurs because `self.v` has type `Vec<u32>`, which does not implement the `Copy` trait | -note: this function takes ownership of the receiver `self`, which moves `self.v` +note: `into_iter` takes ownership of the receiver `self`, which moves `self.v` --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL - | -LL | fn into_iter(self) -> Self::IntoIter; - | ^^^^ help: consider iterating over a slice of the `Vec<u32>`'s content to avoid moving into the `for` loop | LL | for _ in &self.v { @@ -40,11 +37,8 @@ LL | for loader in *LOADERS { | value moved due to this implicit call to `.into_iter()` | move occurs because value has type `Vec<&u8>`, which does not implement the `Copy` trait | -note: this function takes ownership of the receiver `self`, which moves value +note: `into_iter` takes ownership of the receiver `self`, which moves value --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL - | -LL | fn into_iter(self) -> Self::IntoIter; - | ^^^^ help: consider iterating over a slice of the `Vec<&u8>`'s content to avoid moving into the `for` loop | LL | for loader in &*LOADERS { diff --git a/src/test/ui/suggestions/imm-ref-trait-object.stderr b/src/test/ui/suggestions/imm-ref-trait-object.stderr index 42ca3a78d8f..7791b308d5d 100644 --- a/src/test/ui/suggestions/imm-ref-trait-object.stderr +++ b/src/test/ui/suggestions/imm-ref-trait-object.stderr @@ -3,11 +3,9 @@ error: the `min` method cannot be invoked on a trait object | LL | t.min().unwrap() | ^^^ + --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL | - ::: $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL - | -LL | Self: Sized, - | ----- this has a `Sized` requirement + = note: this has a `Sized` requirement | = note: you need `&mut dyn Iterator<Item = &u64>` instead of `&dyn Iterator<Item = &u64>` diff --git a/src/test/ui/suggestions/import-trait-for-method-call.stderr b/src/test/ui/suggestions/import-trait-for-method-call.stderr index bac8de79872..f159b51a269 100644 --- a/src/test/ui/suggestions/import-trait-for-method-call.stderr +++ b/src/test/ui/suggestions/import-trait-for-method-call.stderr @@ -3,11 +3,9 @@ error[E0599]: no method named `finish` found for struct `DefaultHasher` in the c | LL | h.finish() | ^^^^^^ method not found in `DefaultHasher` + --> $SRC_DIR/core/src/hash/mod.rs:LL:COL | - ::: $SRC_DIR/core/src/hash/mod.rs:LL:COL - | -LL | fn finish(&self) -> u64; - | ------ the method is available for `DefaultHasher` here + = note: the method is available for `DefaultHasher` here | = help: items from traits can only be used if the trait is in scope help: the following trait is implemented but not in scope; perhaps add a `use` for it: diff --git a/src/test/ui/suggestions/issue-104287.stderr b/src/test/ui/suggestions/issue-104287.stderr index 4b302dd6509..79812a2985e 100644 --- a/src/test/ui/suggestions/issue-104287.stderr +++ b/src/test/ui/suggestions/issue-104287.stderr @@ -11,12 +11,6 @@ LL | simd_gt::<()>(x); | ^^^^^^^------ help: remove these generics | | | expected 0 generic arguments - | -note: associated function defined here, with 0 generic parameters - --> $SRC_DIR/core/src/../../portable-simd/crates/core_simd/src/ord.rs:LL:COL - | -LL | fn simd_gt(self, other: Self) -> Self::Mask; - | ^^^^^^^ error[E0425]: cannot find function `simd_gt` in this scope --> $DIR/issue-104287.rs:6:5 diff --git a/src/test/ui/suggestions/issue-62843.stderr b/src/test/ui/suggestions/issue-62843.stderr index 62f0943d4c9..b6e271de807 100644 --- a/src/test/ui/suggestions/issue-62843.stderr +++ b/src/test/ui/suggestions/issue-62843.stderr @@ -10,9 +10,6 @@ LL | println!("{:?}", line.find(pattern)); = note: required for `String` to implement `Pattern<'_>` note: required by a bound in `core::str::<impl str>::find` --> $SRC_DIR/core/src/str/mod.rs:LL:COL - | -LL | pub fn find<'a, P: Pattern<'a>>(&'a self, pat: P) -> Option<usize> { - | ^^^^^^^^^^^ required by this bound in `core::str::<impl str>::find` help: consider borrowing here | LL | println!("{:?}", line.find(&pattern)); diff --git a/src/test/ui/suggestions/issue-89064.stderr b/src/test/ui/suggestions/issue-89064.stderr index 8b2a3881628..93d8da226c8 100644 --- a/src/test/ui/suggestions/issue-89064.stderr +++ b/src/test/ui/suggestions/issue-89064.stderr @@ -62,11 +62,6 @@ error[E0107]: this associated function takes 0 generic arguments but 1 generic a LL | let _ = 42.into::<Option<_>>(); | ^^^^ expected 0 generic arguments | -note: associated function defined here, with 0 generic parameters - --> $SRC_DIR/core/src/convert/mod.rs:LL:COL - | -LL | fn into(self) -> T; - | ^^^^ help: consider moving this generic argument to the `Into` trait, which takes up to 1 argument | LL | let _ = Into::<Option<_>>::into(42); diff --git a/src/test/ui/suggestions/mut-borrow-needed-by-trait.stderr b/src/test/ui/suggestions/mut-borrow-needed-by-trait.stderr index d121932c842..2cb53ecce10 100644 --- a/src/test/ui/suggestions/mut-borrow-needed-by-trait.stderr +++ b/src/test/ui/suggestions/mut-borrow-needed-by-trait.stderr @@ -9,9 +9,6 @@ LL | let fp = BufWriter::new(fp); = note: `std::io::Write` is implemented for `&mut dyn std::io::Write`, but not for `&dyn std::io::Write` note: required by a bound in `BufWriter::<W>::new` --> $SRC_DIR/std/src/io/buffered/bufwriter.rs:LL:COL - | -LL | impl<W: Write> BufWriter<W> { - | ^^^^^ required by this bound in `BufWriter::<W>::new` error[E0277]: the trait bound `&dyn std::io::Write: std::io::Write` is not satisfied --> $DIR/mut-borrow-needed-by-trait.rs:17:14 @@ -22,20 +19,15 @@ LL | let fp = BufWriter::new(fp); = note: `std::io::Write` is implemented for `&mut dyn std::io::Write`, but not for `&dyn std::io::Write` note: required by a bound in `BufWriter` --> $SRC_DIR/std/src/io/buffered/bufwriter.rs:LL:COL - | -LL | pub struct BufWriter<W: Write> { - | ^^^^^ required by this bound in `BufWriter` error[E0599]: the method `write_fmt` exists for struct `BufWriter<&dyn std::io::Write>`, but its trait bounds were not satisfied --> $DIR/mut-borrow-needed-by-trait.rs:21:5 | LL | writeln!(fp, "hello world").unwrap(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ method cannot be called on `BufWriter<&dyn std::io::Write>` due to unsatisfied trait bounds + --> $SRC_DIR/std/src/io/buffered/bufwriter.rs:LL:COL | - ::: $SRC_DIR/std/src/io/buffered/bufwriter.rs:LL:COL - | -LL | pub struct BufWriter<W: Write> { - | ------------------------------ doesn't satisfy `BufWriter<&dyn std::io::Write>: std::io::Write` + = note: doesn't satisfy `BufWriter<&dyn std::io::Write>: std::io::Write` | = note: the following trait bounds were not satisfied: `&dyn std::io::Write: std::io::Write` diff --git a/src/test/ui/suggestions/option-content-move-from-tuple-match.stderr b/src/test/ui/suggestions/option-content-move-from-tuple-match.stderr index debb8cabaea..97d05d9dcff 100644 --- a/src/test/ui/suggestions/option-content-move-from-tuple-match.stderr +++ b/src/test/ui/suggestions/option-content-move-from-tuple-match.stderr @@ -9,6 +9,11 @@ LL | (None, &c) => &c.unwrap(), | | | data moved here | move occurs because `c` has type `Option<String>`, which does not implement the `Copy` trait + | +help: consider borrowing the pattern binding + | +LL | (None, &ref c) => &c.unwrap(), + | +++ error: aborting due to previous error diff --git a/src/test/ui/suggestions/option-content-move.stderr b/src/test/ui/suggestions/option-content-move.stderr index a6f1ebc975f..3e0271d0257 100644 --- a/src/test/ui/suggestions/option-content-move.stderr +++ b/src/test/ui/suggestions/option-content-move.stderr @@ -7,11 +7,8 @@ LL | if selection.1.unwrap().contains(selection.0) { | help: consider calling `.as_ref()` or `.as_mut()` to borrow the type's contents | move occurs because `selection.1` has type `Option<String>`, which does not implement the `Copy` trait | -note: this function takes ownership of the receiver `self`, which moves `selection.1` +note: `Option::<T>::unwrap` takes ownership of the receiver `self`, which moves `selection.1` --> $SRC_DIR/core/src/option.rs:LL:COL - | -LL | pub const fn unwrap(self) -> T { - | ^^^^ error[E0507]: cannot move out of `selection.1` which is behind a shared reference --> $DIR/option-content-move.rs:27:20 @@ -22,11 +19,8 @@ LL | if selection.1.unwrap().contains(selection.0) { | help: consider calling `.as_ref()` or `.as_mut()` to borrow the type's contents | move occurs because `selection.1` has type `Result<String, String>`, which does not implement the `Copy` trait | -note: this function takes ownership of the receiver `self`, which moves `selection.1` +note: `Result::<T, E>::unwrap` takes ownership of the receiver `self`, which moves `selection.1` --> $SRC_DIR/core/src/result.rs:LL:COL - | -LL | pub fn unwrap(self) -> T - | ^^^^ error: aborting due to 2 previous errors diff --git a/src/test/ui/suggestions/restrict-type-not-param.stderr b/src/test/ui/suggestions/restrict-type-not-param.stderr index e7d9c5ecbe4..5434472ceec 100644 --- a/src/test/ui/suggestions/restrict-type-not-param.stderr +++ b/src/test/ui/suggestions/restrict-type-not-param.stderr @@ -11,11 +11,8 @@ note: an implementation of `Add<_>` might be missing for `Wrapper<T>` | LL | struct Wrapper<T>(T); | ^^^^^^^^^^^^^^^^^ must implement `Add<_>` -note: the following trait must be implemented +note: the trait `Add` must be implemented --> $SRC_DIR/core/src/ops/arith.rs:LL:COL - | -LL | pub trait Add<Rhs = Self> { - | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement | LL | fn qux<T>(a: Wrapper<T>, b: T) -> T where Wrapper<T>: Add<T, Output = T> { diff --git a/src/test/ui/suggestions/sugg-else-for-closure.stderr b/src/test/ui/suggestions/sugg-else-for-closure.stderr index 55a0eee1817..da4db46aad3 100644 --- a/src/test/ui/suggestions/sugg-else-for-closure.stderr +++ b/src/test/ui/suggestions/sugg-else-for-closure.stderr @@ -10,9 +10,6 @@ LL | let _s = y.unwrap_or(|| x.split('.').nth(1).unwrap()); found closure `[closure@$DIR/sugg-else-for-closure.rs:6:26: 6:28]` note: associated function defined here --> $SRC_DIR/core/src/option.rs:LL:COL - | -LL | pub const fn unwrap_or(self, default: T) -> T - | ^^^^^^^^^ help: try calling `unwrap_or_else` instead | LL | let _s = y.unwrap_or_else(|| x.split('.').nth(1).unwrap()); diff --git a/src/test/ui/suggestions/suggest-change-mut.stderr b/src/test/ui/suggestions/suggest-change-mut.stderr index 889b11a7410..d194afeaf93 100644 --- a/src/test/ui/suggestions/suggest-change-mut.stderr +++ b/src/test/ui/suggestions/suggest-change-mut.stderr @@ -8,9 +8,6 @@ LL | let mut stream_reader = BufReader::new(&stream); | note: required by a bound in `BufReader::<R>::new` --> $SRC_DIR/std/src/io/buffered/bufreader.rs:LL:COL - | -LL | impl<R: Read> BufReader<R> { - | ^^^^ required by this bound in `BufReader::<R>::new` help: consider removing the leading `&`-reference | LL - let mut stream_reader = BufReader::new(&stream); @@ -30,11 +27,9 @@ error[E0599]: the method `read_until` exists for struct `BufReader<&T>`, but its | LL | stream_reader.read_until(b'\n', &mut buffer).expect("Reading into buffer failed"); | ^^^^^^^^^^ method cannot be called on `BufReader<&T>` due to unsatisfied trait bounds + --> $SRC_DIR/std/src/io/buffered/bufreader.rs:LL:COL | - ::: $SRC_DIR/std/src/io/buffered/bufreader.rs:LL:COL - | -LL | pub struct BufReader<R> { - | ----------------------- doesn't satisfy `BufReader<&T>: BufRead` + = note: doesn't satisfy `BufReader<&T>: BufRead` | = note: the following trait bounds were not satisfied: `&T: std::io::Read` diff --git a/src/test/ui/suggestions/suggest-tryinto-edition-change.stderr b/src/test/ui/suggestions/suggest-tryinto-edition-change.stderr index 3d1f2492360..018083f9e03 100644 --- a/src/test/ui/suggestions/suggest-tryinto-edition-change.stderr +++ b/src/test/ui/suggestions/suggest-tryinto-edition-change.stderr @@ -52,11 +52,9 @@ error[E0599]: no method named `try_into` found for type `i32` in the current sco | LL | let _i: i16 = 0_i32.try_into().unwrap(); | ^^^^^^^^ method not found in `i32` + --> $SRC_DIR/core/src/convert/mod.rs:LL:COL | - ::: $SRC_DIR/core/src/convert/mod.rs:LL:COL - | -LL | fn try_into(self) -> Result<T, Self::Error>; - | -------- the method is available for `i32` here + = note: the method is available for `i32` here | = help: items from traits can only be used if the trait is in scope = note: 'std::convert::TryInto' is included in the prelude starting in Edition 2021 diff --git a/src/test/ui/suggestions/type-ascription-instead-of-path-in-type.stderr b/src/test/ui/suggestions/type-ascription-instead-of-path-in-type.stderr index 951ff23d635..fcff02e09db 100644 --- a/src/test/ui/suggestions/type-ascription-instead-of-path-in-type.stderr +++ b/src/test/ui/suggestions/type-ascription-instead-of-path-in-type.stderr @@ -24,11 +24,6 @@ error[E0107]: this struct takes at least 1 generic argument but 0 generic argume LL | let _: Vec<A:B> = A::B; | ^^^ expected at least 1 generic argument | -note: struct defined here, with at least 1 generic parameter: `T` - --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL - | -LL | pub struct Vec<T, #[unstable(feature = "allocator_api", issue = "32838")] A: Allocator = Global> { - | ^^^ - help: add missing generic argument | LL | let _: Vec<T, A:B> = A::B; diff --git a/src/test/ui/traits/alias/generic-default-in-dyn.stderr b/src/test/ui/traits/alias/generic-default-in-dyn.stderr index 76a068e864a..0d3f794aa0f 100644 --- a/src/test/ui/traits/alias/generic-default-in-dyn.stderr +++ b/src/test/ui/traits/alias/generic-default-in-dyn.stderr @@ -12,11 +12,9 @@ error[E0393]: the type parameter `Rhs` must be explicitly specified | LL | struct Foo<T>(dyn SendEqAlias<T>); | ^^^^^^^^^^^^^^ missing reference to `Rhs` + --> $SRC_DIR/core/src/cmp.rs:LL:COL | - ::: $SRC_DIR/core/src/cmp.rs:LL:COL - | -LL | pub trait PartialEq<Rhs: ?Sized = Self> { - | --------------------------------------- type parameter `Rhs` must be specified for this + = note: type parameter `Rhs` must be specified for this | = note: because of the default `Self` reference, type parameters must be specified on object types @@ -25,11 +23,9 @@ error[E0393]: the type parameter `Rhs` must be explicitly specified | LL | struct Bar<T>(dyn SendEqAlias<T>, T); | ^^^^^^^^^^^^^^ missing reference to `Rhs` + --> $SRC_DIR/core/src/cmp.rs:LL:COL | - ::: $SRC_DIR/core/src/cmp.rs:LL:COL - | -LL | pub trait PartialEq<Rhs: ?Sized = Self> { - | --------------------------------------- type parameter `Rhs` must be specified for this + = note: type parameter `Rhs` must be specified for this | = note: because of the default `Self` reference, type parameters must be specified on object types diff --git a/src/test/ui/traits/alias/object-fail.stderr b/src/test/ui/traits/alias/object-fail.stderr index 325bc6d2808..048a150df8c 100644 --- a/src/test/ui/traits/alias/object-fail.stderr +++ b/src/test/ui/traits/alias/object-fail.stderr @@ -7,8 +7,7 @@ LL | let _: &dyn EqAlias = &123; note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $SRC_DIR/core/src/cmp.rs:LL:COL | -LL | pub trait Eq: PartialEq<Self> { - | ^^^^^^^^^^^^^^^ the trait cannot be made into an object because it uses `Self` as a type parameter + = note: the trait cannot be made into an object because it uses `Self` as a type parameter error[E0191]: the value of the associated type `Item` (from trait `Iterator`) must be specified --> $DIR/object-fail.rs:9:17 diff --git a/src/test/ui/traits/associated_type_bound/assoc_type_bound_with_struct.stderr b/src/test/ui/traits/associated_type_bound/assoc_type_bound_with_struct.stderr index 9ca446a0a89..5be33498641 100644 --- a/src/test/ui/traits/associated_type_bound/assoc_type_bound_with_struct.stderr +++ b/src/test/ui/traits/associated_type_bound/assoc_type_bound_with_struct.stderr @@ -9,11 +9,9 @@ error[E0404]: expected trait, found struct `String` | LL | struct Foo<T> where T: Bar, <T as Bar>::Baz: String { | ^^^^^^ not a trait + --> $SRC_DIR/alloc/src/string.rs:LL:COL | - ::: $SRC_DIR/alloc/src/string.rs:LL:COL - | -LL | pub trait ToString { - | ------------------ similarly named trait `ToString` defined here + = note: similarly named trait `ToString` defined here | help: constrain the associated type to `String` | @@ -29,11 +27,9 @@ error[E0404]: expected trait, found struct `String` | LL | struct Qux<'a, T> where T: Bar, <&'a T as Bar>::Baz: String { | ^^^^^^ not a trait + --> $SRC_DIR/alloc/src/string.rs:LL:COL | - ::: $SRC_DIR/alloc/src/string.rs:LL:COL - | -LL | pub trait ToString { - | ------------------ similarly named trait `ToString` defined here + = note: similarly named trait `ToString` defined here | help: constrain the associated type to `String` | @@ -49,11 +45,9 @@ error[E0404]: expected trait, found struct `String` | LL | fn foo<T: Bar>(_: T) where <T as Bar>::Baz: String { | ^^^^^^ not a trait + --> $SRC_DIR/alloc/src/string.rs:LL:COL | - ::: $SRC_DIR/alloc/src/string.rs:LL:COL - | -LL | pub trait ToString { - | ------------------ similarly named trait `ToString` defined here + = note: similarly named trait `ToString` defined here | help: constrain the associated type to `String` | @@ -69,11 +63,9 @@ error[E0404]: expected trait, found struct `String` | LL | fn qux<'a, T: Bar>(_: &'a T) where <&'a T as Bar>::Baz: String { | ^^^^^^ not a trait + --> $SRC_DIR/alloc/src/string.rs:LL:COL | - ::: $SRC_DIR/alloc/src/string.rs:LL:COL - | -LL | pub trait ToString { - | ------------------ similarly named trait `ToString` defined here + = note: similarly named trait `ToString` defined here | help: constrain the associated type to `String` | @@ -89,11 +81,9 @@ error[E0404]: expected trait, found struct `String` | LL | fn issue_95327() where <u8 as Unresolved>::Assoc: String {} | ^^^^^^ help: a trait with a similar name exists: `ToString` + --> $SRC_DIR/alloc/src/string.rs:LL:COL | - ::: $SRC_DIR/alloc/src/string.rs:LL:COL - | -LL | pub trait ToString { - | ------------------ similarly named trait `ToString` defined here + = note: similarly named trait `ToString` defined here error: aborting due to 6 previous errors diff --git a/src/test/ui/traits/bad-sized.stderr b/src/test/ui/traits/bad-sized.stderr index 6f9113fff51..fb9900bc57b 100644 --- a/src/test/ui/traits/bad-sized.stderr +++ b/src/test/ui/traits/bad-sized.stderr @@ -18,9 +18,6 @@ LL | let x: Vec<dyn Trait + Sized> = Vec::new(); = help: the trait `Sized` is not implemented for `dyn Trait` note: required by a bound in `Vec` --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL - | -LL | pub struct Vec<T, #[unstable(feature = "allocator_api", issue = "32838")] A: Allocator = Global> { - | ^ required by this bound in `Vec` error[E0277]: the size for values of type `dyn Trait` cannot be known at compilation time --> $DIR/bad-sized.rs:4:37 @@ -31,9 +28,6 @@ LL | let x: Vec<dyn Trait + Sized> = Vec::new(); = help: the trait `Sized` is not implemented for `dyn Trait` note: required by a bound in `Vec::<T>::new` --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL - | -LL | impl<T> Vec<T> { - | ^ required by this bound in `Vec::<T>::new` error[E0277]: the size for values of type `dyn Trait` cannot be known at compilation time --> $DIR/bad-sized.rs:4:37 @@ -44,9 +38,6 @@ LL | let x: Vec<dyn Trait + Sized> = Vec::new(); = help: the trait `Sized` is not implemented for `dyn Trait` note: required by a bound in `Vec` --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL - | -LL | pub struct Vec<T, #[unstable(feature = "allocator_api", issue = "32838")] A: Allocator = Global> { - | ^ required by this bound in `Vec` error: aborting due to 4 previous errors diff --git a/src/test/ui/traits/issue-77982.stderr b/src/test/ui/traits/issue-77982.stderr index b6a04585583..8ab6414d4d8 100644 --- a/src/test/ui/traits/issue-77982.stderr +++ b/src/test/ui/traits/issue-77982.stderr @@ -12,9 +12,6 @@ LL | opts.get(opt.as_ref()); where T: ?Sized; note: required by a bound in `HashMap::<K, V, S>::get` --> $SRC_DIR/std/src/collections/hash/map.rs:LL:COL - | -LL | K: Borrow<Q>, - | ^^^^^^^^^ required by this bound in `HashMap::<K, V, S>::get` help: consider specifying the generic argument | LL | opts.get::<Q>(opt.as_ref()); diff --git a/src/test/ui/traits/mutual-recursion-issue-75860.stderr b/src/test/ui/traits/mutual-recursion-issue-75860.stderr index 920f66121e0..23e182738f7 100644 --- a/src/test/ui/traits/mutual-recursion-issue-75860.stderr +++ b/src/test/ui/traits/mutual-recursion-issue-75860.stderr @@ -7,9 +7,6 @@ LL | iso(left, right) = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`mutual_recursion_issue_75860`) note: required by a bound in `Option` --> $SRC_DIR/core/src/option.rs:LL:COL - | -LL | pub enum Option<T> { - | ^ required by this bound in `Option` error: aborting due to previous error diff --git a/src/test/ui/traits/suggest-deferences/issue-39029.stderr b/src/test/ui/traits/suggest-deferences/issue-39029.stderr index eb2b88059d4..49e20c6a76a 100644 --- a/src/test/ui/traits/suggest-deferences/issue-39029.stderr +++ b/src/test/ui/traits/suggest-deferences/issue-39029.stderr @@ -9,9 +9,6 @@ LL | let _errors = TcpListener::bind(&bad); = note: required for `&NoToSocketAddrs` to implement `ToSocketAddrs` note: required by a bound in `TcpListener::bind` --> $SRC_DIR/std/src/net/tcp.rs:LL:COL - | -LL | pub fn bind<A: ToSocketAddrs>(addr: A) -> io::Result<TcpListener> { - | ^^^^^^^^^^^^^ required by this bound in `TcpListener::bind` help: consider dereferencing here | LL | let _errors = TcpListener::bind(&*bad); diff --git a/src/test/ui/traits/suggest-deferences/root-obligation.stderr b/src/test/ui/traits/suggest-deferences/root-obligation.stderr index 76663ace7ed..1363fb8c47a 100644 --- a/src/test/ui/traits/suggest-deferences/root-obligation.stderr +++ b/src/test/ui/traits/suggest-deferences/root-obligation.stderr @@ -11,9 +11,6 @@ LL | .filter(|c| "aeiou".contains(c)) = note: required for `&char` to implement `Pattern<'_>` note: required by a bound in `core::str::<impl str>::contains` --> $SRC_DIR/core/src/str/mod.rs:LL:COL - | -LL | pub fn contains<'a, P: Pattern<'a>>(&'a self, pat: P) -> bool { - | ^^^^^^^^^^^ required by this bound in `core::str::<impl str>::contains` help: consider dereferencing here | LL | .filter(|c| "aeiou".contains(*c)) diff --git a/src/test/ui/traits/suggest-where-clause.stderr b/src/test/ui/traits/suggest-where-clause.stderr index 9765fbd47ff..44e63b78cce 100644 --- a/src/test/ui/traits/suggest-where-clause.stderr +++ b/src/test/ui/traits/suggest-where-clause.stderr @@ -9,9 +9,6 @@ LL | mem::size_of::<U>(); | note: required by a bound in `std::mem::size_of` --> $SRC_DIR/core/src/mem/mod.rs:LL:COL - | -LL | pub const fn size_of<T>() -> usize { - | ^ required by this bound in `size_of` help: consider removing the `?Sized` bound to make the type parameter `Sized` | LL - fn check<T: Iterator, U: ?Sized>() { @@ -34,9 +31,6 @@ LL | struct Misc<T:?Sized>(T); | ^^^^ note: required by a bound in `std::mem::size_of` --> $SRC_DIR/core/src/mem/mod.rs:LL:COL - | -LL | pub const fn size_of<T>() -> usize { - | ^ required by this bound in `size_of` help: consider removing the `?Sized` bound to make the type parameter `Sized` | LL - fn check<T: Iterator, U: ?Sized>() { @@ -80,9 +74,6 @@ LL | mem::size_of::<[T]>(); = help: the trait `Sized` is not implemented for `[T]` note: required by a bound in `std::mem::size_of` --> $SRC_DIR/core/src/mem/mod.rs:LL:COL - | -LL | pub const fn size_of<T>() -> usize { - | ^ required by this bound in `size_of` error[E0277]: the size for values of type `[&U]` cannot be known at compilation time --> $DIR/suggest-where-clause.rs:31:20 @@ -93,9 +84,6 @@ LL | mem::size_of::<[&U]>(); = help: the trait `Sized` is not implemented for `[&U]` note: required by a bound in `std::mem::size_of` --> $SRC_DIR/core/src/mem/mod.rs:LL:COL - | -LL | pub const fn size_of<T>() -> usize { - | ^ required by this bound in `size_of` error: aborting due to 7 previous errors diff --git a/src/test/ui/transmutability/issue-101739-2.stderr b/src/test/ui/transmutability/issue-101739-2.stderr index 3f83d6583b0..1b3d202590d 100644 --- a/src/test/ui/transmutability/issue-101739-2.stderr +++ b/src/test/ui/transmutability/issue-101739-2.stderr @@ -8,12 +8,6 @@ LL | / ASSUME_LIFETIMES, LL | | ASSUME_VALIDITY, LL | | ASSUME_VISIBILITY, | |_____________________________- help: remove these generic arguments - | -note: trait defined here, with at most 3 generic parameters: `Src`, `Context`, `ASSUME` - --> $SRC_DIR/core/src/mem/transmutability.rs:LL:COL - | -LL | pub unsafe trait BikeshedIntrinsicFrom<Src, Context, const ASSUME: Assume = { Assume::NOTHING }> - | ^^^^^^^^^^^^^^^^^^^^^ --- ------- ------------------------------------------ error: aborting due to previous error diff --git a/src/test/ui/tuple/wrong_argument_ice-3.stderr b/src/test/ui/tuple/wrong_argument_ice-3.stderr index f3a547fa238..fe3712ef839 100644 --- a/src/test/ui/tuple/wrong_argument_ice-3.stderr +++ b/src/test/ui/tuple/wrong_argument_ice-3.stderr @@ -13,9 +13,6 @@ LL | groups.push(new_group, vec![process]); found struct `Vec<String>` note: associated function defined here --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL - | -LL | pub fn push(&mut self, value: T) { - | ^^^^ help: remove the extra argument | LL | groups.push(/* (Vec<String>, Vec<Process>) */); diff --git a/src/test/ui/tuple/wrong_argument_ice.stderr b/src/test/ui/tuple/wrong_argument_ice.stderr index ec07f1e70cf..452413fc516 100644 --- a/src/test/ui/tuple/wrong_argument_ice.stderr +++ b/src/test/ui/tuple/wrong_argument_ice.stderr @@ -6,9 +6,6 @@ LL | self.acc.push_back(self.current_provides, self.current_requires); | note: associated function defined here --> $SRC_DIR/alloc/src/collections/vec_deque/mod.rs:LL:COL - | -LL | pub fn push_back(&mut self, value: T) { - | ^^^^^^^^^ help: wrap these arguments in parentheses to construct a tuple | LL | self.acc.push_back((self.current_provides, self.current_requires)); diff --git a/src/test/ui/type/ascription/issue-34255-1.stderr b/src/test/ui/type/ascription/issue-34255-1.stderr index 6819d14bb01..fd43e1114c8 100644 --- a/src/test/ui/type/ascription/issue-34255-1.stderr +++ b/src/test/ui/type/ascription/issue-34255-1.stderr @@ -25,11 +25,6 @@ error[E0107]: missing generics for struct `Vec` LL | input_cells: Vec::new() | ^^^ expected at least 1 generic argument | -note: struct defined here, with at least 1 generic parameter: `T` - --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL - | -LL | pub struct Vec<T, #[unstable(feature = "allocator_api", issue = "32838")] A: Allocator = Global> { - | ^^^ - help: add missing generic argument | LL | input_cells: Vec<T>::new() diff --git a/src/test/ui/type/type-ascription-instead-of-initializer.stderr b/src/test/ui/type/type-ascription-instead-of-initializer.stderr index de578ca93ed..ba8d15d0b73 100644 --- a/src/test/ui/type/type-ascription-instead-of-initializer.stderr +++ b/src/test/ui/type/type-ascription-instead-of-initializer.stderr @@ -15,9 +15,6 @@ LL | let x: Vec::with_capacity(10, 20); | note: associated function defined here --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL - | -LL | pub fn with_capacity(capacity: usize) -> Self { - | ^^^^^^^^^^^^^ help: remove the extra argument | LL | let x: Vec::with_capacity(10); diff --git a/src/test/ui/type/type-ascription-precedence.stderr b/src/test/ui/type/type-ascription-precedence.stderr index fc85ec93315..edc5aeffdcd 100644 --- a/src/test/ui/type/type-ascription-precedence.stderr +++ b/src/test/ui/type/type-ascription-precedence.stderr @@ -33,11 +33,8 @@ note: an implementation of `std::ops::Neg` might be missing for `Z` | LL | struct Z; | ^^^^^^^^ must implement `std::ops::Neg` -note: the following trait must be implemented +note: the trait `std::ops::Neg` must be implemented --> $SRC_DIR/core/src/ops/arith.rs:LL:COL - | -LL | pub trait Neg { - | ^^^^^^^^^^^^^ error[E0308]: mismatched types --> $DIR/type-ascription-precedence.rs:45:5 diff --git a/src/test/ui/type_length_limit.stderr b/src/test/ui/type_length_limit.stderr index ff487466902..5b00d387aba 100644 --- a/src/test/ui/type_length_limit.stderr +++ b/src/test/ui/type_length_limit.stderr @@ -1,9 +1,6 @@ error: reached the type-length limit while instantiating `std::mem::drop::<Option<((((..., ..., ...), ..., ...), ..., ...), ..., ...)>>` --> $SRC_DIR/core/src/mem/mod.rs:LL:COL | -LL | pub fn drop<T>(_x: T) {} - | ^^^^^^^^^^^^^^^^^^^^^ - | = help: consider adding a `#![type_length_limit="10"]` attribute to your crate = note: the full type name has been written to '$TEST_BUILD_DIR/type_length_limit/type_length_limit.long-type.txt' diff --git a/src/test/ui/typeck/issue-46112.stderr b/src/test/ui/typeck/issue-46112.stderr index 91381e8ef4a..f488463ae3c 100644 --- a/src/test/ui/typeck/issue-46112.stderr +++ b/src/test/ui/typeck/issue-46112.stderr @@ -10,9 +10,6 @@ LL | fn main() { test(Ok(())); } found unit type `()` note: tuple variant defined here --> $SRC_DIR/core/src/result.rs:LL:COL - | -LL | Ok(#[stable(feature = "rust1", since = "1.0.0")] T), - | ^^ help: try wrapping the expression in `Some` | LL | fn main() { test(Ok(Some(()))); } diff --git a/src/test/ui/typeck/issue-75883.stderr b/src/test/ui/typeck/issue-75883.stderr index 3861e0507f6..f5adcabe3e9 100644 --- a/src/test/ui/typeck/issue-75883.stderr +++ b/src/test/ui/typeck/issue-75883.stderr @@ -6,11 +6,6 @@ LL | pub fn run() -> Result<_> { | | | expected 2 generic arguments | -note: enum defined here, with 2 generic parameters: `T`, `E` - --> $SRC_DIR/core/src/result.rs:LL:COL - | -LL | pub enum Result<T, E> { - | ^^^^^^ - - help: add missing generic argument | LL | pub fn run() -> Result<_, E> { @@ -24,11 +19,6 @@ LL | pub fn interact(&mut self) -> Result<_> { | | | expected 2 generic arguments | -note: enum defined here, with 2 generic parameters: `T`, `E` - --> $SRC_DIR/core/src/result.rs:LL:COL - | -LL | pub enum Result<T, E> { - | ^^^^^^ - - help: add missing generic argument | LL | pub fn interact(&mut self) -> Result<_, E> { diff --git a/src/test/ui/typeck/issue-83693.stderr b/src/test/ui/typeck/issue-83693.stderr index 1e45c2d35df..ce4f73b820a 100644 --- a/src/test/ui/typeck/issue-83693.stderr +++ b/src/test/ui/typeck/issue-83693.stderr @@ -3,11 +3,9 @@ error[E0412]: cannot find type `F` in this scope | LL | impl F { | ^ help: a trait with a similar name exists: `Fn` + --> $SRC_DIR/core/src/ops/function.rs:LL:COL | - ::: $SRC_DIR/core/src/ops/function.rs:LL:COL - | -LL | pub trait Fn<Args: Tuple>: FnMut<Args> { - | -------------------------------------- similarly named trait `Fn` defined here + = note: similarly named trait `Fn` defined here error[E0412]: cannot find type `TestResult` in this scope --> $DIR/issue-83693.rs:9:22 diff --git a/src/test/ui/typeck/issue-84768.stderr b/src/test/ui/typeck/issue-84768.stderr index 04dc0e36520..00d23389720 100644 --- a/src/test/ui/typeck/issue-84768.stderr +++ b/src/test/ui/typeck/issue-84768.stderr @@ -16,9 +16,6 @@ LL | <F as FnOnce(&mut u8)>::call_once(f, 1) found type `{integer}` note: associated function defined here --> $SRC_DIR/core/src/ops/function.rs:LL:COL - | -LL | extern "rust-call" fn call_once(self, args: Args) -> Self::Output; - | ^^^^^^^^^ error: aborting due to 2 previous errors diff --git a/src/test/ui/typeck/struct-enum-wrong-args.stderr b/src/test/ui/typeck/struct-enum-wrong-args.stderr index ea94bcbc290..fbced928a8a 100644 --- a/src/test/ui/typeck/struct-enum-wrong-args.stderr +++ b/src/test/ui/typeck/struct-enum-wrong-args.stderr @@ -6,9 +6,6 @@ LL | let _ = Some(3, 2); | note: tuple variant defined here --> $SRC_DIR/core/src/option.rs:LL:COL - | -LL | Some(#[stable(feature = "rust1", since = "1.0.0")] T), - | ^^^^ help: remove the extra argument | LL | let _ = Some(3); @@ -24,9 +21,6 @@ LL | let _ = Ok(3, 6, 2); | note: tuple variant defined here --> $SRC_DIR/core/src/result.rs:LL:COL - | -LL | Ok(#[stable(feature = "rust1", since = "1.0.0")] T), - | ^^ help: remove the extra arguments | LL | let _ = Ok(3); @@ -40,9 +34,6 @@ LL | let _ = Ok(); | note: tuple variant defined here --> $SRC_DIR/core/src/result.rs:LL:COL - | -LL | Ok(#[stable(feature = "rust1", since = "1.0.0")] T), - | ^^ help: provide the argument | LL | let _ = Ok(/* value */); diff --git a/src/test/ui/typeck/typeck-builtin-bound-type-parameters.stderr b/src/test/ui/typeck/typeck-builtin-bound-type-parameters.stderr index bf74dd7dec0..331540d1e42 100644 --- a/src/test/ui/typeck/typeck-builtin-bound-type-parameters.stderr +++ b/src/test/ui/typeck/typeck-builtin-bound-type-parameters.stderr @@ -5,12 +5,6 @@ LL | fn foo1<T:Copy<U>, U>(x: T) {} | ^^^^--- help: remove these generics | | | expected 0 generic arguments - | -note: trait defined here, with 0 generic parameters - --> $SRC_DIR/core/src/marker.rs:LL:COL - | -LL | pub trait Copy: Clone { - | ^^^^ error[E0107]: this trait takes 0 generic arguments but 1 generic argument was supplied --> $DIR/typeck-builtin-bound-type-parameters.rs:4:14 @@ -19,12 +13,6 @@ LL | trait Trait: Copy<dyn Send> {} | ^^^^---------- help: remove these generics | | | expected 0 generic arguments - | -note: trait defined here, with 0 generic parameters - --> $SRC_DIR/core/src/marker.rs:LL:COL - | -LL | pub trait Copy: Clone { - | ^^^^ error[E0107]: this trait takes 0 generic arguments but 1 generic argument was supplied --> $DIR/typeck-builtin-bound-type-parameters.rs:7:21 @@ -33,12 +21,6 @@ LL | struct MyStruct1<T: Copy<T>>; | ^^^^--- help: remove these generics | | | expected 0 generic arguments - | -note: trait defined here, with 0 generic parameters - --> $SRC_DIR/core/src/marker.rs:LL:COL - | -LL | pub trait Copy: Clone { - | ^^^^ error[E0107]: this trait takes 0 lifetime arguments but 1 lifetime argument was supplied --> $DIR/typeck-builtin-bound-type-parameters.rs:10:25 @@ -47,12 +29,6 @@ LL | struct MyStruct2<'a, T: Copy<'a>>; | ^^^^---- help: remove these generics | | | expected 0 lifetime arguments - | -note: trait defined here, with 0 lifetime parameters - --> $SRC_DIR/core/src/marker.rs:LL:COL - | -LL | pub trait Copy: Clone { - | ^^^^ error[E0107]: this trait takes 0 lifetime arguments but 1 lifetime argument was supplied --> $DIR/typeck-builtin-bound-type-parameters.rs:13:15 @@ -61,12 +37,6 @@ LL | fn foo2<'a, T:Copy<'a, U>, U>(x: T) {} | ^^^^ -- help: remove this lifetime argument | | | expected 0 lifetime arguments - | -note: trait defined here, with 0 lifetime parameters - --> $SRC_DIR/core/src/marker.rs:LL:COL - | -LL | pub trait Copy: Clone { - | ^^^^ error[E0107]: this trait takes 0 generic arguments but 1 generic argument was supplied --> $DIR/typeck-builtin-bound-type-parameters.rs:13:15 @@ -75,12 +45,6 @@ LL | fn foo2<'a, T:Copy<'a, U>, U>(x: T) {} | ^^^^ - help: remove this generic argument | | | expected 0 generic arguments - | -note: trait defined here, with 0 generic parameters - --> $SRC_DIR/core/src/marker.rs:LL:COL - | -LL | pub trait Copy: Clone { - | ^^^^ error: aborting due to 6 previous errors diff --git a/src/test/ui/ufcs/ufcs-qpath-self-mismatch.stderr b/src/test/ui/ufcs/ufcs-qpath-self-mismatch.stderr index ed56e1cf957..a2fe627868a 100644 --- a/src/test/ui/ufcs/ufcs-qpath-self-mismatch.stderr +++ b/src/test/ui/ufcs/ufcs-qpath-self-mismatch.stderr @@ -23,9 +23,6 @@ LL | <i32 as Add<i32>>::add(1u32, 2); | note: associated function defined here --> $SRC_DIR/core/src/ops/arith.rs:LL:COL - | -LL | fn add(self, rhs: Rhs) -> Self::Output; - | ^^^ help: change the type of the numeric literal from `u32` to `i32` | LL | <i32 as Add<i32>>::add(1i32, 2); @@ -41,9 +38,6 @@ LL | <i32 as Add<i32>>::add(1, 2u32); | note: associated function defined here --> $SRC_DIR/core/src/ops/arith.rs:LL:COL - | -LL | fn add(self, rhs: Rhs) -> Self::Output; - | ^^^ help: change the type of the numeric literal from `u32` to `i32` | LL | <i32 as Add<i32>>::add(1, 2i32); diff --git a/src/test/ui/unboxed-closures/non-tupled-arg-mismatch.stderr b/src/test/ui/unboxed-closures/non-tupled-arg-mismatch.stderr index 1c18eb0fc49..cfbe1c6f2cb 100644 --- a/src/test/ui/unboxed-closures/non-tupled-arg-mismatch.stderr +++ b/src/test/ui/unboxed-closures/non-tupled-arg-mismatch.stderr @@ -6,9 +6,6 @@ LL | fn a<F: Fn<usize>>(f: F) {} | note: required by a bound in `Fn` --> $SRC_DIR/core/src/ops/function.rs:LL:COL - | -LL | pub trait Fn<Args: Tuple>: FnMut<Args> { - | ^^^^^ required by this bound in `Fn` error: aborting due to previous error diff --git a/src/test/ui/uninhabited/uninhabited-matches-feature-gated.stderr b/src/test/ui/uninhabited/uninhabited-matches-feature-gated.stderr index c7882963407..d33a61ca848 100644 --- a/src/test/ui/uninhabited/uninhabited-matches-feature-gated.stderr +++ b/src/test/ui/uninhabited/uninhabited-matches-feature-gated.stderr @@ -6,12 +6,9 @@ LL | let _ = match x { | note: `Result<u32, &Void>` defined here --> $SRC_DIR/core/src/result.rs:LL:COL + ::: $SRC_DIR/core/src/result.rs:LL:COL | -LL | pub enum Result<T, E> { - | --------------------- -... -LL | Err(#[stable(feature = "rust1", since = "1.0.0")] E), - | ^^^ not covered + = note: not covered = note: the matched value is of type `Result<u32, &Void>` help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | @@ -88,12 +85,9 @@ LL | let _ = match x { | note: `Result<u32, Void>` defined here --> $SRC_DIR/core/src/result.rs:LL:COL + ::: $SRC_DIR/core/src/result.rs:LL:COL | -LL | pub enum Result<T, E> { - | --------------------- -... -LL | Err(#[stable(feature = "rust1", since = "1.0.0")] E), - | ^^^ not covered + = note: not covered = note: the matched value is of type `Result<u32, Void>` help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | @@ -111,12 +105,9 @@ LL | let Ok(x) = x; = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html note: `Result<u32, Void>` defined here --> $SRC_DIR/core/src/result.rs:LL:COL + ::: $SRC_DIR/core/src/result.rs:LL:COL | -LL | pub enum Result<T, E> { - | --------------------- -... -LL | Err(#[stable(feature = "rust1", since = "1.0.0")] E), - | ^^^ not covered + = note: not covered = note: the matched value is of type `Result<u32, Void>` help: you might want to use `if let` to ignore the variant that isn't matched | diff --git a/src/test/ui/union/union-borrow-move-parent-sibling.mirunsafeck.stderr b/src/test/ui/union/union-borrow-move-parent-sibling.mirunsafeck.stderr index ca02de4c61b..7f931b49a58 100644 --- a/src/test/ui/union/union-borrow-move-parent-sibling.mirunsafeck.stderr +++ b/src/test/ui/union/union-borrow-move-parent-sibling.mirunsafeck.stderr @@ -14,10 +14,12 @@ error[E0507]: cannot move out of dereference of `ManuallyDrop<((MockVec<u8>, Moc --> $DIR/union-borrow-move-parent-sibling.rs:62:13 | LL | let a = u.x.0; - | ^^^^^ - | | - | move occurs because value has type `(MockVec<u8>, MockVec<u8>)`, which does not implement the `Copy` trait - | help: consider borrowing here: `&u.x.0` + | ^^^^^ move occurs because value has type `(MockVec<u8>, MockVec<u8>)`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | let a = &u.x.0; + | + error[E0382]: use of moved value: `u` --> $DIR/union-borrow-move-parent-sibling.rs:64:13 @@ -46,10 +48,12 @@ error[E0507]: cannot move out of dereference of `ManuallyDrop<((MockVec<u8>, Moc --> $DIR/union-borrow-move-parent-sibling.rs:76:13 | LL | let a = (u.x.0).0; - | ^^^^^^^^^ - | | - | move occurs because value has type `MockVec<u8>`, which does not implement the `Copy` trait - | help: consider borrowing here: `&(u.x.0).0` + | ^^^^^^^^^ move occurs because value has type `MockVec<u8>`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | let a = &(u.x.0).0; + | + error[E0382]: use of moved value: `u` --> $DIR/union-borrow-move-parent-sibling.rs:78:13 diff --git a/src/test/ui/union/union-borrow-move-parent-sibling.thirunsafeck.stderr b/src/test/ui/union/union-borrow-move-parent-sibling.thirunsafeck.stderr index ca02de4c61b..7f931b49a58 100644 --- a/src/test/ui/union/union-borrow-move-parent-sibling.thirunsafeck.stderr +++ b/src/test/ui/union/union-borrow-move-parent-sibling.thirunsafeck.stderr @@ -14,10 +14,12 @@ error[E0507]: cannot move out of dereference of `ManuallyDrop<((MockVec<u8>, Moc --> $DIR/union-borrow-move-parent-sibling.rs:62:13 | LL | let a = u.x.0; - | ^^^^^ - | | - | move occurs because value has type `(MockVec<u8>, MockVec<u8>)`, which does not implement the `Copy` trait - | help: consider borrowing here: `&u.x.0` + | ^^^^^ move occurs because value has type `(MockVec<u8>, MockVec<u8>)`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | let a = &u.x.0; + | + error[E0382]: use of moved value: `u` --> $DIR/union-borrow-move-parent-sibling.rs:64:13 @@ -46,10 +48,12 @@ error[E0507]: cannot move out of dereference of `ManuallyDrop<((MockVec<u8>, Moc --> $DIR/union-borrow-move-parent-sibling.rs:76:13 | LL | let a = (u.x.0).0; - | ^^^^^^^^^ - | | - | move occurs because value has type `MockVec<u8>`, which does not implement the `Copy` trait - | help: consider borrowing here: `&(u.x.0).0` + | ^^^^^^^^^ move occurs because value has type `MockVec<u8>`, which does not implement the `Copy` trait + | +help: consider borrowing here + | +LL | let a = &(u.x.0).0; + | + error[E0382]: use of moved value: `u` --> $DIR/union-borrow-move-parent-sibling.rs:78:13 diff --git a/src/test/ui/union/union-derive-clone.mirunsafeck.stderr b/src/test/ui/union/union-derive-clone.mirunsafeck.stderr index 148fb504670..65ff72fe474 100644 --- a/src/test/ui/union/union-derive-clone.mirunsafeck.stderr +++ b/src/test/ui/union/union-derive-clone.mirunsafeck.stderr @@ -6,9 +6,6 @@ LL | #[derive(Clone)] | note: required by a bound in `AssertParamIsCopy` --> $SRC_DIR/core/src/clone.rs:LL:COL - | -LL | pub struct AssertParamIsCopy<T: Copy + ?Sized> { - | ^^^^ required by this bound in `AssertParamIsCopy` = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `U1` with `#[derive(Copy)]` | diff --git a/src/test/ui/union/union-derive-clone.thirunsafeck.stderr b/src/test/ui/union/union-derive-clone.thirunsafeck.stderr index 148fb504670..65ff72fe474 100644 --- a/src/test/ui/union/union-derive-clone.thirunsafeck.stderr +++ b/src/test/ui/union/union-derive-clone.thirunsafeck.stderr @@ -6,9 +6,6 @@ LL | #[derive(Clone)] | note: required by a bound in `AssertParamIsCopy` --> $SRC_DIR/core/src/clone.rs:LL:COL - | -LL | pub struct AssertParamIsCopy<T: Copy + ?Sized> { - | ^^^^ required by this bound in `AssertParamIsCopy` = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `U1` with `#[derive(Copy)]` | diff --git a/src/test/ui/union/union-derive-eq.mirunsafeck.stderr b/src/test/ui/union/union-derive-eq.mirunsafeck.stderr index 99505f31639..9e55390b54d 100644 --- a/src/test/ui/union/union-derive-eq.mirunsafeck.stderr +++ b/src/test/ui/union/union-derive-eq.mirunsafeck.stderr @@ -9,9 +9,6 @@ LL | a: PartialEqNotEq, | note: required by a bound in `AssertParamIsEq` --> $SRC_DIR/core/src/cmp.rs:LL:COL - | -LL | pub struct AssertParamIsEq<T: Eq + ?Sized> { - | ^^ required by this bound in `AssertParamIsEq` = note: this error originates in the derive macro `Eq` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `PartialEqNotEq` with `#[derive(Eq)]` | diff --git a/src/test/ui/union/union-derive-eq.thirunsafeck.stderr b/src/test/ui/union/union-derive-eq.thirunsafeck.stderr index 99505f31639..9e55390b54d 100644 --- a/src/test/ui/union/union-derive-eq.thirunsafeck.stderr +++ b/src/test/ui/union/union-derive-eq.thirunsafeck.stderr @@ -9,9 +9,6 @@ LL | a: PartialEqNotEq, | note: required by a bound in `AssertParamIsEq` --> $SRC_DIR/core/src/cmp.rs:LL:COL - | -LL | pub struct AssertParamIsEq<T: Eq + ?Sized> { - | ^^ required by this bound in `AssertParamIsEq` = note: this error originates in the derive macro `Eq` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `PartialEqNotEq` with `#[derive(Eq)]` | diff --git a/src/test/ui/unique-object-noncopyable.stderr b/src/test/ui/unique-object-noncopyable.stderr index 98a9bd07ed2..db42ed9baf1 100644 --- a/src/test/ui/unique-object-noncopyable.stderr +++ b/src/test/ui/unique-object-noncopyable.stderr @@ -9,14 +9,10 @@ LL | trait Foo { ... LL | let _z = y.clone(); | ^^^^^ method cannot be called on `Box<dyn Foo>` due to unsatisfied trait bounds - | + --> $SRC_DIR/alloc/src/boxed.rs:LL:COL ::: $SRC_DIR/alloc/src/boxed.rs:LL:COL | -LL | / pub struct Box< -LL | | T: ?Sized, -LL | | #[unstable(feature = "allocator_api", issue = "32838")] A: Allocator = Global, -LL | | >(Unique<T>, A); - | |_- doesn't satisfy `Box<dyn Foo>: Clone` + = note: doesn't satisfy `Box<dyn Foo>: Clone` | = note: the following trait bounds were not satisfied: `dyn Foo: Sized` diff --git a/src/test/ui/unique-pinned-nocopy.stderr b/src/test/ui/unique-pinned-nocopy.stderr index 7af9c684b72..de6611324ca 100644 --- a/src/test/ui/unique-pinned-nocopy.stderr +++ b/src/test/ui/unique-pinned-nocopy.stderr @@ -6,14 +6,10 @@ LL | struct R { ... LL | let _j = i.clone(); | ^^^^^ method cannot be called on `Box<R>` due to unsatisfied trait bounds - | + --> $SRC_DIR/alloc/src/boxed.rs:LL:COL ::: $SRC_DIR/alloc/src/boxed.rs:LL:COL | -LL | / pub struct Box< -LL | | T: ?Sized, -LL | | #[unstable(feature = "allocator_api", issue = "32838")] A: Allocator = Global, -LL | | >(Unique<T>, A); - | |_- doesn't satisfy `Box<R>: Clone` + = note: doesn't satisfy `Box<R>: Clone` | = note: the following trait bounds were not satisfied: `R: Clone` diff --git a/src/test/ui/unop-move-semantics.stderr b/src/test/ui/unop-move-semantics.stderr index d52a92b8888..2a3ca14433f 100644 --- a/src/test/ui/unop-move-semantics.stderr +++ b/src/test/ui/unop-move-semantics.stderr @@ -11,9 +11,6 @@ LL | x.clone(); | note: calling this operator moves the left-hand side --> $SRC_DIR/core/src/ops/bit.rs:LL:COL - | -LL | fn not(self) -> Self::Output; - | ^^^^ help: consider cloning the value if the performance cost is acceptable | LL | !x.clone(); @@ -57,9 +54,6 @@ LL | !*m; | note: calling this operator moves the left-hand side --> $SRC_DIR/core/src/ops/bit.rs:LL:COL - | -LL | fn not(self) -> Self::Output; - | ^^^^ error[E0507]: cannot move out of `*n` which is behind a shared reference --> $DIR/unop-move-semantics.rs:26:6 diff --git a/src/test/ui/unsized-locals/borrow-after-move.stderr b/src/test/ui/unsized-locals/borrow-after-move.stderr index d8bffd4f9cf..9e3c345dd80 100644 --- a/src/test/ui/unsized-locals/borrow-after-move.stderr +++ b/src/test/ui/unsized-locals/borrow-after-move.stderr @@ -59,7 +59,7 @@ LL | y.foo(); LL | println!("{}", &y); | ^^ value borrowed here after move | -note: this function takes ownership of the receiver `self`, which moves `y` +note: `Foo::foo` takes ownership of the receiver `self`, which moves `y` --> $DIR/borrow-after-move.rs:5:12 | LL | fn foo(self) -> String; diff --git a/src/test/ui/unsized-locals/double-move.stderr b/src/test/ui/unsized-locals/double-move.stderr index 71534818141..49b906bbe02 100644 --- a/src/test/ui/unsized-locals/double-move.stderr +++ b/src/test/ui/unsized-locals/double-move.stderr @@ -55,7 +55,7 @@ LL | y.foo(); LL | y.foo(); | ^ value used here after move | -note: this function takes ownership of the receiver `self`, which moves `y` +note: `Foo::foo` takes ownership of the receiver `self`, which moves `y` --> $DIR/double-move.rs:5:12 | LL | fn foo(self) -> String; diff --git a/src/test/ui/use/use-after-move-self-based-on-type.stderr b/src/test/ui/use/use-after-move-self-based-on-type.stderr index 7fdc4ab251f..1bdf49801f9 100644 --- a/src/test/ui/use/use-after-move-self-based-on-type.stderr +++ b/src/test/ui/use/use-after-move-self-based-on-type.stderr @@ -8,7 +8,7 @@ LL | self.bar(); LL | return self.x; | ^^^^^^ value used here after move | -note: this function takes ownership of the receiver `self`, which moves `self` +note: `S::bar` takes ownership of the receiver `self`, which moves `self` --> $DIR/use-after-move-self-based-on-type.rs:15:16 | LL | pub fn bar(self) {} diff --git a/src/test/ui/use/use-after-move-self.stderr b/src/test/ui/use/use-after-move-self.stderr index 073deee63b9..59cc22eadb0 100644 --- a/src/test/ui/use/use-after-move-self.stderr +++ b/src/test/ui/use/use-after-move-self.stderr @@ -8,7 +8,7 @@ LL | self.bar(); LL | return *self.x; | ^^^^^^^ value used here after move | -note: this function takes ownership of the receiver `self`, which moves `self` +note: `S::bar` takes ownership of the receiver `self`, which moves `self` --> $DIR/use-after-move-self.rs:13:16 | LL | pub fn bar(self) {} diff --git a/src/test/ui/walk-struct-literal-with.stderr b/src/test/ui/walk-struct-literal-with.stderr index 4384e345e85..2b85fa9bed4 100644 --- a/src/test/ui/walk-struct-literal-with.stderr +++ b/src/test/ui/walk-struct-literal-with.stderr @@ -8,7 +8,7 @@ LL | let end = Mine{other_val:1, ..start.make_string_bar()}; LL | println!("{}", start.test); | ^^^^^^^^^^ value borrowed here after move | -note: this function takes ownership of the receiver `self`, which moves `start` +note: `Mine::make_string_bar` takes ownership of the receiver `self`, which moves `start` --> $DIR/walk-struct-literal-with.rs:7:28 | LL | fn make_string_bar(mut self) -> Mine{ diff --git a/src/test/ui/wf/hir-wf-check-erase-regions.stderr b/src/test/ui/wf/hir-wf-check-erase-regions.stderr index b04588c5716..7bc19dd2e21 100644 --- a/src/test/ui/wf/hir-wf-check-erase-regions.stderr +++ b/src/test/ui/wf/hir-wf-check-erase-regions.stderr @@ -9,9 +9,6 @@ LL | type IntoIter = std::iter::Flatten<std::slice::Iter<'a, T>>; = note: required for `&T` to implement `IntoIterator` note: required by a bound in `Flatten` --> $SRC_DIR/core/src/iter/adapters/flatten.rs:LL:COL - | -LL | pub struct Flatten<I: Iterator<Item: IntoIterator>> { - | ^^^^^^^^^^^^ required by this bound in `Flatten` error[E0277]: `&T` is not an iterator --> $DIR/hir-wf-check-erase-regions.rs:10:27 @@ -24,9 +21,6 @@ LL | fn into_iter(self) -> Self::IntoIter { = note: required for `&T` to implement `IntoIterator` note: required by a bound in `Flatten` --> $SRC_DIR/core/src/iter/adapters/flatten.rs:LL:COL - | -LL | pub struct Flatten<I: Iterator<Item: IntoIterator>> { - | ^^^^^^^^^^^^ required by this bound in `Flatten` error: aborting due to 2 previous errors diff --git a/src/test/ui/wf/wf-impl-self-type.stderr b/src/test/ui/wf/wf-impl-self-type.stderr index 371321793ad..1ca368729fe 100644 --- a/src/test/ui/wf/wf-impl-self-type.stderr +++ b/src/test/ui/wf/wf-impl-self-type.stderr @@ -7,9 +7,6 @@ LL | impl Foo for Option<[u8]> {} = help: the trait `Sized` is not implemented for `[u8]` note: required by a bound in `Option` --> $SRC_DIR/core/src/option.rs:LL:COL - | -LL | pub enum Option<T> { - | ^ required by this bound in `Option` error: aborting due to previous error diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index 1542b1c17ad..72a43108dc4 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -1924,7 +1924,15 @@ impl<'test> TestCx<'test> { rustc.args(&["--json", "future-incompat"]); } rustc.arg("-Ccodegen-units=1"); + // Hide line numbers to reduce churn rustc.arg("-Zui-testing"); + // Hide libstd sources from ui tests to make sure we generate the stderr + // output that users will see. + // Without this, we may be producing good diagnostics in-tree but users + // will not see half the information. + rustc.arg("-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX"); + rustc.arg("-Ztranslate-remapped-path-to-local-path=no"); + rustc.arg("-Zdeduplicate-diagnostics=no"); // FIXME: use this for other modes too, for perf? rustc.arg("-Cstrip=debuginfo"); |