diff options
407 files changed, 4737 insertions, 2078 deletions
diff --git a/compiler/rustc_ast_lowering/messages.ftl b/compiler/rustc_ast_lowering/messages.ftl index f4e3086f2b5..e7177402db1 100644 --- a/compiler/rustc_ast_lowering/messages.ftl +++ b/compiler/rustc_ast_lowering/messages.ftl @@ -35,7 +35,7 @@ ast_lowering_bad_return_type_notation_output = ast_lowering_base_expression_double_dot = base expression required after `..` - .label = add a base expression here + .suggestion = add a base expression here ast_lowering_clobber_abi_not_supported = `clobber_abi` is not supported on this target diff --git a/compiler/rustc_ast_lowering/src/errors.rs b/compiler/rustc_ast_lowering/src/errors.rs index faa22eece38..2811fe104cd 100644 --- a/compiler/rustc_ast_lowering/src/errors.rs +++ b/compiler/rustc_ast_lowering/src/errors.rs @@ -114,10 +114,10 @@ pub struct UnderscoreExprLhsAssign { } #[derive(Diagnostic, Clone, Copy)] -#[diag(ast_lowering_base_expression_double_dot)] +#[diag(ast_lowering_base_expression_double_dot, code = "E0797")] pub struct BaseExpressionDoubleDot { #[primary_span] - #[label] + #[suggestion(code = "/* expr */", applicability = "has-placeholders", style = "verbose")] pub span: Span, } diff --git a/compiler/rustc_ast_passes/src/feature_gate.rs b/compiler/rustc_ast_passes/src/feature_gate.rs index 35b8de64af7..737e81eb6ec 100644 --- a/compiler/rustc_ast_passes/src/feature_gate.rs +++ b/compiler/rustc_ast_passes/src/feature_gate.rs @@ -23,7 +23,7 @@ macro_rules! gate { ($visitor:expr, $feature:ident, $span:expr, $explain:expr, $help:expr) => {{ if !$visitor.features.$feature && !$span.allows_unstable(sym::$feature) { feature_err(&$visitor.sess.parse_sess, sym::$feature, $span, $explain) - .help_mv($help) + .with_help($help) .emit(); } }}; diff --git a/compiler/rustc_ast_passes/src/show_span.rs b/compiler/rustc_ast_passes/src/show_span.rs index 9882f1d23ce..10590074282 100644 --- a/compiler/rustc_ast_passes/src/show_span.rs +++ b/compiler/rustc_ast_passes/src/show_span.rs @@ -38,21 +38,21 @@ struct ShowSpanVisitor<'a> { impl<'a> Visitor<'a> for ShowSpanVisitor<'a> { fn visit_expr(&mut self, e: &'a ast::Expr) { if let Mode::Expression = self.mode { - self.dcx.emit_warning(errors::ShowSpan { span: e.span, msg: "expression" }); + self.dcx.emit_warn(errors::ShowSpan { span: e.span, msg: "expression" }); } visit::walk_expr(self, e); } fn visit_pat(&mut self, p: &'a ast::Pat) { if let Mode::Pattern = self.mode { - self.dcx.emit_warning(errors::ShowSpan { span: p.span, msg: "pattern" }); + self.dcx.emit_warn(errors::ShowSpan { span: p.span, msg: "pattern" }); } visit::walk_pat(self, p); } fn visit_ty(&mut self, t: &'a ast::Ty) { if let Mode::Type = self.mode { - self.dcx.emit_warning(errors::ShowSpan { span: t.span, msg: "type" }); + self.dcx.emit_warn(errors::ShowSpan { span: t.span, msg: "type" }); } visit::walk_ty(self, t); } diff --git a/compiler/rustc_attr/src/builtin.rs b/compiler/rustc_attr/src/builtin.rs index 77678dcaba9..b3f601b7595 100644 --- a/compiler/rustc_attr/src/builtin.rs +++ b/compiler/rustc_attr/src/builtin.rs @@ -621,7 +621,7 @@ pub fn eval_condition( } }; let Some(min_version) = parse_version(*min_version) else { - dcx.emit_warning(session_diagnostics::UnknownVersionLiteral { span: *span }); + dcx.emit_warn(session_diagnostics::UnknownVersionLiteral { span: *span }); return false; }; diff --git a/compiler/rustc_attr/src/session_diagnostics.rs b/compiler/rustc_attr/src/session_diagnostics.rs index 5f61a56c189..89606b81a99 100644 --- a/compiler/rustc_attr/src/session_diagnostics.rs +++ b/compiler/rustc_attr/src/session_diagnostics.rs @@ -55,11 +55,11 @@ impl<'a, G: EmissionGuarantee> IntoDiagnostic<'a, G> for UnknownMetaItem<'_> { fn into_diagnostic(self, dcx: &'a DiagCtxt, level: Level) -> DiagnosticBuilder<'a, G> { let expected = self.expected.iter().map(|name| format!("`{name}`")).collect::<Vec<_>>(); DiagnosticBuilder::new(dcx, level, fluent::attr_unknown_meta_item) - .span_mv(self.span) - .code_mv(error_code!(E0541)) - .arg_mv("item", self.item) - .arg_mv("expected", expected.join(", ")) - .span_label_mv(self.span, fluent::attr_label) + .with_span(self.span) + .with_code(error_code!(E0541)) + .with_arg("item", self.item) + .with_arg("expected", expected.join(", ")) + .with_span_label(self.span, fluent::attr_label) } } diff --git a/compiler/rustc_borrowck/src/borrowck_errors.rs b/compiler/rustc_borrowck/src/borrowck_errors.rs index a9fc0a6f415..351976cdaea 100644 --- a/compiler/rustc_borrowck/src/borrowck_errors.rs +++ b/compiler/rustc_borrowck/src/borrowck_errors.rs @@ -1,4 +1,4 @@ -use rustc_errors::{struct_span_err, DiagCtxt, DiagnosticBuilder}; +use rustc_errors::{struct_span_code_err, DiagCtxt, DiagnosticBuilder}; use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_span::Span; @@ -31,15 +31,15 @@ impl<'cx, 'tcx> crate::MirBorrowckCtxt<'cx, 'tcx> { borrow_span: Span, borrow_desc: &str, ) -> DiagnosticBuilder<'tcx> { - struct_span_err!( + struct_span_code_err!( self.dcx(), span, E0503, "cannot use {} because it was mutably borrowed", desc, ) - .span_label_mv(borrow_span, format!("{borrow_desc} is borrowed here")) - .span_label_mv(span, format!("use of borrowed {borrow_desc}")) + .with_span_label(borrow_span, format!("{borrow_desc} is borrowed here")) + .with_span_label(span, format!("use of borrowed {borrow_desc}")) } pub(crate) fn cannot_mutably_borrow_multiply( @@ -52,7 +52,7 @@ impl<'cx, 'tcx> crate::MirBorrowckCtxt<'cx, 'tcx> { old_load_end_span: Option<Span>, ) -> DiagnosticBuilder<'tcx> { let via = |msg: &str| if msg.is_empty() { "".to_string() } else { format!(" (via {msg})") }; - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( self.dcx(), new_loan_span, E0499, @@ -98,7 +98,7 @@ impl<'cx, 'tcx> crate::MirBorrowckCtxt<'cx, 'tcx> { old_loan_span: Span, old_load_end_span: Option<Span>, ) -> DiagnosticBuilder<'tcx> { - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( self.dcx(), new_loan_span, E0524, @@ -131,7 +131,7 @@ impl<'cx, 'tcx> crate::MirBorrowckCtxt<'cx, 'tcx> { old_opt_via: &str, previous_end_span: Option<Span>, ) -> DiagnosticBuilder<'cx> { - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( self.dcx(), new_loan_span, E0500, @@ -163,7 +163,7 @@ impl<'cx, 'tcx> crate::MirBorrowckCtxt<'cx, 'tcx> { previous_end_span: Option<Span>, second_borrow_desc: &str, ) -> DiagnosticBuilder<'cx> { - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( self.dcx(), new_loan_span, E0501, @@ -196,7 +196,7 @@ impl<'cx, 'tcx> crate::MirBorrowckCtxt<'cx, 'tcx> { old_load_end_span: Option<Span>, ) -> DiagnosticBuilder<'cx> { let via = |msg: &str| if msg.is_empty() { "".to_string() } else { format!(" (via {msg})") }; - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( self.dcx(), span, E0502, @@ -236,15 +236,15 @@ impl<'cx, 'tcx> crate::MirBorrowckCtxt<'cx, 'tcx> { borrow_span: Span, desc: &str, ) -> DiagnosticBuilder<'cx> { - struct_span_err!( + struct_span_code_err!( self.dcx(), span, E0506, "cannot assign to {} because it is borrowed", desc, ) - .span_label_mv(borrow_span, format!("{desc} is borrowed here")) - .span_label_mv(span, format!("{desc} is assigned to here but it was already borrowed")) + .with_span_label(borrow_span, format!("{desc} is borrowed here")) + .with_span_label(span, format!("{desc} is assigned to here but it was already borrowed")) } pub(crate) fn cannot_reassign_immutable( @@ -254,11 +254,11 @@ impl<'cx, 'tcx> crate::MirBorrowckCtxt<'cx, 'tcx> { is_arg: bool, ) -> DiagnosticBuilder<'cx> { let msg = if is_arg { "to immutable argument" } else { "twice to immutable variable" }; - struct_span_err!(self.dcx(), span, E0384, "cannot assign {} {}", msg, desc) + struct_span_code_err!(self.dcx(), span, E0384, "cannot assign {} {}", msg, desc) } pub(crate) fn cannot_assign(&self, span: Span, desc: &str) -> DiagnosticBuilder<'tcx> { - struct_span_err!(self.dcx(), span, E0594, "cannot assign to {}", desc) + struct_span_code_err!(self.dcx(), span, E0594, "cannot assign to {}", desc) } pub(crate) fn cannot_move_out_of( @@ -266,7 +266,13 @@ impl<'cx, 'tcx> crate::MirBorrowckCtxt<'cx, 'tcx> { move_from_span: Span, move_from_desc: &str, ) -> DiagnosticBuilder<'cx> { - struct_span_err!(self.dcx(), move_from_span, E0507, "cannot move out of {}", move_from_desc) + struct_span_code_err!( + self.dcx(), + move_from_span, + E0507, + "cannot move out of {}", + move_from_desc + ) } /// Signal an error due to an attempt to move out of the interior @@ -283,7 +289,7 @@ impl<'cx, 'tcx> crate::MirBorrowckCtxt<'cx, 'tcx> { (&ty::Slice(_), _) => "slice", _ => span_bug!(move_from_span, "this path should not cause illegal move"), }; - struct_span_err!( + struct_span_code_err!( self.dcx(), move_from_span, E0508, @@ -291,7 +297,7 @@ impl<'cx, 'tcx> crate::MirBorrowckCtxt<'cx, 'tcx> { ty, type_name, ) - .span_label_mv(move_from_span, "cannot move out of here") + .with_span_label(move_from_span, "cannot move out of here") } pub(crate) fn cannot_move_out_of_interior_of_drop( @@ -299,14 +305,14 @@ impl<'cx, 'tcx> crate::MirBorrowckCtxt<'cx, 'tcx> { move_from_span: Span, container_ty: Ty<'_>, ) -> DiagnosticBuilder<'cx> { - struct_span_err!( + struct_span_code_err!( self.dcx(), move_from_span, E0509, "cannot move out of type `{}`, which implements the `Drop` trait", container_ty, ) - .span_label_mv(move_from_span, "cannot move out of here") + .with_span_label(move_from_span, "cannot move out of here") } pub(crate) fn cannot_act_on_moved_value( @@ -318,7 +324,7 @@ impl<'cx, 'tcx> crate::MirBorrowckCtxt<'cx, 'tcx> { ) -> DiagnosticBuilder<'tcx> { let moved_path = moved_path.map(|mp| format!(": `{mp}`")).unwrap_or_default(); - struct_span_err!( + struct_span_code_err!( self.dcx(), use_span, E0382, @@ -335,7 +341,14 @@ impl<'cx, 'tcx> crate::MirBorrowckCtxt<'cx, 'tcx> { path: &str, reason: &str, ) -> DiagnosticBuilder<'tcx> { - struct_span_err!(self.dcx(), span, E0596, "cannot borrow {} as mutable{}", path, reason) + struct_span_code_err!( + self.dcx(), + span, + E0596, + "cannot borrow {} as mutable{}", + path, + reason + ) } pub(crate) fn cannot_mutate_in_immutable_section( @@ -346,7 +359,7 @@ impl<'cx, 'tcx> crate::MirBorrowckCtxt<'cx, 'tcx> { immutable_section: &str, action: &str, ) -> DiagnosticBuilder<'tcx> { - struct_span_err!( + struct_span_code_err!( self.dcx(), mutate_span, E0510, @@ -355,8 +368,8 @@ impl<'cx, 'tcx> crate::MirBorrowckCtxt<'cx, 'tcx> { immutable_place, immutable_section, ) - .span_label_mv(mutate_span, format!("cannot {action}")) - .span_label_mv(immutable_span, format!("value is immutable in {immutable_section}")) + .with_span_label(mutate_span, format!("cannot {action}")) + .with_span_label(immutable_span, format!("value is immutable in {immutable_section}")) } pub(crate) fn cannot_borrow_across_coroutine_yield( @@ -365,20 +378,20 @@ impl<'cx, 'tcx> crate::MirBorrowckCtxt<'cx, 'tcx> { yield_span: Span, ) -> DiagnosticBuilder<'tcx> { let coroutine_kind = self.body.coroutine.as_ref().unwrap().coroutine_kind; - struct_span_err!( + struct_span_code_err!( self.dcx(), span, E0626, "borrow may still be in use when {coroutine_kind:#} yields", ) - .span_label_mv(yield_span, "possible yield occurs here") + .with_span_label(yield_span, "possible yield occurs here") } pub(crate) fn cannot_borrow_across_destructor( &self, borrow_span: Span, ) -> DiagnosticBuilder<'tcx> { - struct_span_err!( + struct_span_code_err!( self.dcx(), borrow_span, E0713, @@ -391,7 +404,7 @@ impl<'cx, 'tcx> crate::MirBorrowckCtxt<'cx, 'tcx> { span: Span, path: &str, ) -> DiagnosticBuilder<'tcx> { - struct_span_err!(self.dcx(), span, E0597, "{} does not live long enough", path,) + struct_span_code_err!(self.dcx(), span, E0597, "{} does not live long enough", path,) } pub(crate) fn cannot_return_reference_to_local( @@ -401,7 +414,7 @@ impl<'cx, 'tcx> crate::MirBorrowckCtxt<'cx, 'tcx> { reference_desc: &str, path_desc: &str, ) -> DiagnosticBuilder<'tcx> { - struct_span_err!( + struct_span_code_err!( self.dcx(), span, E0515, @@ -410,7 +423,7 @@ impl<'cx, 'tcx> crate::MirBorrowckCtxt<'cx, 'tcx> { REFERENCE = reference_desc, LOCAL = path_desc, ) - .span_label_mv( + .with_span_label( span, format!("{return_kind}s a {reference_desc} data owned by the current function"), ) @@ -424,22 +437,22 @@ impl<'cx, 'tcx> crate::MirBorrowckCtxt<'cx, 'tcx> { capture_span: Span, scope: &str, ) -> DiagnosticBuilder<'tcx> { - struct_span_err!( + struct_span_code_err!( self.dcx(), closure_span, E0373, "{closure_kind} may outlive the current {scope}, but it borrows {borrowed_path}, \ which is owned by the current {scope}", ) - .span_label_mv(capture_span, format!("{borrowed_path} is borrowed here")) - .span_label_mv(closure_span, format!("may outlive borrowed value {borrowed_path}")) + .with_span_label(capture_span, format!("{borrowed_path} is borrowed here")) + .with_span_label(closure_span, format!("may outlive borrowed value {borrowed_path}")) } pub(crate) fn thread_local_value_does_not_live_long_enough( &self, span: Span, ) -> DiagnosticBuilder<'tcx> { - struct_span_err!( + struct_span_code_err!( self.dcx(), span, E0712, @@ -451,7 +464,7 @@ impl<'cx, 'tcx> crate::MirBorrowckCtxt<'cx, 'tcx> { &self, span: Span, ) -> DiagnosticBuilder<'tcx> { - struct_span_err!(self.dcx(), span, E0716, "temporary value dropped while borrowed",) + struct_span_code_err!(self.dcx(), span, E0716, "temporary value dropped while borrowed",) } } @@ -460,7 +473,7 @@ pub(crate) fn borrowed_data_escapes_closure<'tcx>( escape_span: Span, escapes_from: &str, ) -> DiagnosticBuilder<'tcx> { - struct_span_err!( + struct_span_code_err!( tcx.dcx(), escape_span, E0521, diff --git a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs index 5baa108ed3c..b4a73574aa2 100644 --- a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs @@ -1,7 +1,9 @@ +// ignore-tidy-filelength + use either::Either; use rustc_data_structures::captures::Captures; use rustc_data_structures::fx::FxIndexSet; -use rustc_errors::{struct_span_err, Applicability, Diagnostic, DiagnosticBuilder, MultiSpan}; +use rustc_errors::{struct_span_code_err, Applicability, Diagnostic, DiagnosticBuilder, MultiSpan}; use rustc_hir as hir; use rustc_hir::def::{DefKind, Res}; use rustc_hir::intravisit::{walk_block, walk_expr, Visitor}; @@ -550,8 +552,12 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { }; let used = desired_action.as_general_verb_in_past_tense(); - let mut err = - struct_span_err!(self.dcx(), span, E0381, "{used} binding {desc}{isnt_initialized}"); + let mut err = struct_span_code_err!( + self.dcx(), + span, + E0381, + "{used} binding {desc}{isnt_initialized}" + ); use_spans.var_path_only_subdiag(&mut err, desired_action); if let InitializationRequiringAction::PartialAssignment @@ -2219,11 +2225,11 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { ); self.thread_local_value_does_not_live_long_enough(borrow_span) - .span_label_mv( + .with_span_label( borrow_span, "thread-local variables cannot be borrowed beyond the end of the function", ) - .span_label_mv(drop_span, "end of enclosing function is here") + .with_span_label(drop_span, "end of enclosing function is here") } #[instrument(level = "debug", skip(self))] diff --git a/compiler/rustc_borrowck/src/diagnostics/explain_borrow.rs b/compiler/rustc_borrowck/src/diagnostics/explain_borrow.rs index f1e712d814a..6606be2f9f4 100644 --- a/compiler/rustc_borrowck/src/diagnostics/explain_borrow.rs +++ b/compiler/rustc_borrowck/src/diagnostics/explain_borrow.rs @@ -315,7 +315,7 @@ impl<'tcx> BorrowExplanation<'tcx> { let mut failed = false; let elaborated_args = std::iter::zip(*args, &generics.params).map(|(arg, param)| { - if let Some(ty::Dynamic(obj, _, ty::DynKind::Dyn)) = arg.as_type().map(Ty::kind) { + if let Some(ty::Dynamic(obj, _, ty::Dyn)) = arg.as_type().map(Ty::kind) { let default = tcx.object_lifetime_default(param.def_id); let re_static = tcx.lifetimes.re_static; @@ -339,7 +339,7 @@ impl<'tcx> BorrowExplanation<'tcx> { has_dyn = true; - Ty::new_dynamic(tcx, obj, implied_region, ty::DynKind::Dyn).into() + Ty::new_dynamic(tcx, obj, implied_region, ty::Dyn).into() } else { arg } diff --git a/compiler/rustc_borrowck/src/diagnostics/move_errors.rs b/compiler/rustc_borrowck/src/diagnostics/move_errors.rs index 50dde5ce636..fb3525e8998 100644 --- a/compiler/rustc_borrowck/src/diagnostics/move_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/move_errors.rs @@ -334,9 +334,9 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { span, &format!("`{}` in pattern guard", self.local_names[local].unwrap()), ) - .note_mv( + .with_note( "variables bound in patterns cannot be moved from \ - until after the end of the pattern guard", + until after the end of the pattern guard", ); } else if decl.is_ref_to_static() { return self.report_cannot_move_from_static(move_place, span); @@ -382,8 +382,8 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { ); self.cannot_move_out_of(span, &place_description) - .span_label_mv(upvar_span, "captured outer variable") - .span_label_mv( + .with_span_label(upvar_span, "captured outer variable") + .with_span_label( self.infcx.tcx.def_span(def_id), format!("captured by this `{closure_kind}` closure"), ) diff --git a/compiler/rustc_borrowck/src/diagnostics/region_errors.rs b/compiler/rustc_borrowck/src/diagnostics/region_errors.rs index 020429c1914..8c8ca1ead40 100644 --- a/compiler/rustc_borrowck/src/diagnostics/region_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/region_errors.rs @@ -27,7 +27,7 @@ use rustc_middle::ty::TypeVisitor; use rustc_middle::ty::{self, RegionVid, Ty}; use rustc_middle::ty::{Region, TyCtxt}; use rustc_span::symbol::{kw, Ident}; -use rustc_span::{Span, DUMMY_SP}; +use rustc_span::Span; use crate::borrowck_errors; use crate::session_diagnostics::{ @@ -84,7 +84,7 @@ impl<'tcx> RegionErrors<'tcx> { #[track_caller] pub fn push(&mut self, val: impl Into<RegionErrorKind<'tcx>>) { let val = val.into(); - self.1.sess.dcx().span_delayed_bug(DUMMY_SP, format!("{val:?}")); + self.1.sess.dcx().delayed_bug(format!("{val:?}")); self.0.push(val); } pub fn is_empty(&self) -> bool { diff --git a/compiler/rustc_borrowck/src/region_infer/opaque_types.rs b/compiler/rustc_borrowck/src/region_infer/opaque_types.rs index 5f427a5ac80..462b5c8da42 100644 --- a/compiler/rustc_borrowck/src/region_infer/opaque_types.rs +++ b/compiler/rustc_borrowck/src/region_infer/opaque_types.rs @@ -421,7 +421,7 @@ fn check_opaque_type_parameter_valid( return Err(tcx .dcx() .struct_span_err(span, "non-defining opaque type use in defining scope") - .span_note_mv(spans, format!("{descr} used multiple times")) + .with_span_note(spans, format!("{descr} used multiple times")) .emit()); } } diff --git a/compiler/rustc_builtin_macros/src/asm.rs b/compiler/rustc_builtin_macros/src/asm.rs index d0e13fa3c0f..0b2e63b403b 100644 --- a/compiler/rustc_builtin_macros/src/asm.rs +++ b/compiler/rustc_builtin_macros/src/asm.rs @@ -695,8 +695,8 @@ fn expand_preparsed_asm(ecx: &mut ExtCtxt<'_>, args: AsmArgs) -> Option<ast::Inl let (sp, msg) = unused_operands.into_iter().next().unwrap(); ecx.dcx() .struct_span_err(sp, msg) - .span_label_mv(sp, msg) - .help_mv(format!( + .with_span_label(sp, msg) + .with_help(format!( "if this argument is intentionally unused, \ consider using it in an asm comment: `\"/*{help_str} */\"`" )) diff --git a/compiler/rustc_builtin_macros/src/errors.rs b/compiler/rustc_builtin_macros/src/errors.rs index 13e5a40ca9e..d6dfd0efaf9 100644 --- a/compiler/rustc_builtin_macros/src/errors.rs +++ b/compiler/rustc_builtin_macros/src/errors.rs @@ -817,9 +817,9 @@ impl<'a, G: EmissionGuarantee> IntoDiagnostic<'a, G> for AsmClobberNoReg { level, crate::fluent_generated::builtin_macros_asm_clobber_no_reg, ) - .span_mv(self.spans.clone()) - .span_labels_mv(self.clobbers, &lbl1) - .span_labels_mv(self.spans, &lbl2) + .with_span(self.spans.clone()) + .with_span_labels(self.clobbers, &lbl1) + .with_span_labels(self.spans, &lbl2) } } diff --git a/compiler/rustc_builtin_macros/src/proc_macro_harness.rs b/compiler/rustc_builtin_macros/src/proc_macro_harness.rs index 9fb6da6e012..477e5c8bec5 100644 --- a/compiler/rustc_builtin_macros/src/proc_macro_harness.rs +++ b/compiler/rustc_builtin_macros/src/proc_macro_harness.rs @@ -194,7 +194,7 @@ impl<'a> Visitor<'a> for CollectProcMacros<'a> { self.dcx .struct_span_err(attr.span, msg) - .span_label_mv(prev_attr.span, "previous attribute here") + .with_span_label(prev_attr.span, "previous attribute here") .emit(); return; diff --git a/compiler/rustc_builtin_macros/src/source_util.rs b/compiler/rustc_builtin_macros/src/source_util.rs index caebb12919f..e7d7b4a7012 100644 --- a/compiler/rustc_builtin_macros/src/source_util.rs +++ b/compiler/rustc_builtin_macros/src/source_util.rs @@ -155,7 +155,7 @@ pub fn expand_include<'cx>( if self.p.token != token::Eof { let token = pprust::token_to_string(&self.p.token); let msg = format!("expected item, found `{token}`"); - self.p.dcx().struct_span_err(self.p.token.span, msg).emit(); + self.p.dcx().span_err(self.p.token.span, msg); } break; diff --git a/compiler/rustc_builtin_macros/src/test.rs b/compiler/rustc_builtin_macros/src/test.rs index 717f5d9c38a..4d44e340ae1 100644 --- a/compiler/rustc_builtin_macros/src/test.rs +++ b/compiler/rustc_builtin_macros/src/test.rs @@ -394,7 +394,7 @@ fn not_testable_error(cx: &ExtCtxt<'_>, attr_sp: Span, item: Option<&ast::Item>) let level = match item.map(|i| &i.kind) { // These were a warning before #92959 and need to continue being that to avoid breaking // stable user code (#94508). - Some(ast::ItemKind::MacCall(_)) => Level::Warning(None), + Some(ast::ItemKind::MacCall(_)) => Level::Warning, _ => Level::Error, }; let mut err = DiagnosticBuilder::<()>::new(dcx, level, msg); @@ -409,8 +409,8 @@ fn not_testable_error(cx: &ExtCtxt<'_>, attr_sp: Span, item: Option<&ast::Item>) ), ); } - err.span_label_mv(attr_sp, "the `#[test]` macro causes a function to be run as a test and has no effect on non-functions") - .span_suggestion_mv(attr_sp, + err.with_span_label(attr_sp, "the `#[test]` macro causes a function to be run as a test and has no effect on non-functions") + .with_span_suggestion(attr_sp, "replace with conditional compilation to make the item only exist when tests are being run", "#[cfg(test)]", Applicability::MaybeIncorrect) @@ -480,7 +480,7 @@ fn should_panic(cx: &ExtCtxt<'_>, i: &ast::Item) -> ShouldPanic { "argument must be of the form: \ `expected = \"error message\"`", ) - .note_mv( + .with_note( "errors in this attribute were erroneously \ allowed and will become a hard error in a \ future release", diff --git a/compiler/rustc_codegen_gcc/src/gcc_util.rs b/compiler/rustc_codegen_gcc/src/gcc_util.rs index df917d527ce..4babe5bfb81 100644 --- a/compiler/rustc_codegen_gcc/src/gcc_util.rs +++ b/compiler/rustc_codegen_gcc/src/gcc_util.rs @@ -52,7 +52,7 @@ pub(crate) fn global_gcc_features(sess: &Session, diagnostics: bool) -> Vec<Stri Some(c @ ('+' | '-')) => c, Some(_) => { if diagnostics { - sess.dcx().emit_warning(UnknownCTargetFeaturePrefix { feature: s }); + sess.dcx().emit_warn(UnknownCTargetFeaturePrefix { feature: s }); } return None; } @@ -79,7 +79,7 @@ pub(crate) fn global_gcc_features(sess: &Session, diagnostics: bool) -> Vec<Stri else { UnknownCTargetFeature { feature, rust_feature: PossibleFeature::None } }; - sess.dcx().emit_warning(unknown_feature); + sess.dcx().emit_warn(unknown_feature); } if diagnostics { diff --git a/compiler/rustc_codegen_gcc/src/lib.rs b/compiler/rustc_codegen_gcc/src/lib.rs index f69f850c1d4..03f8f43ff16 100644 --- a/compiler/rustc_codegen_gcc/src/lib.rs +++ b/compiler/rustc_codegen_gcc/src/lib.rs @@ -191,7 +191,7 @@ impl CodegenBackend for GccCodegenBackend { #[cfg(feature="master")] gccjit::set_global_personality_function_name(b"rust_eh_personality\0"); if sess.lto() == Lto::Thin { - sess.dcx().emit_warning(LTONotSupported {}); + sess.dcx().emit_warn(LTONotSupported {}); } #[cfg(not(feature="master"))] diff --git a/compiler/rustc_codegen_llvm/src/back/write.rs b/compiler/rustc_codegen_llvm/src/back/write.rs index 45be85934b4..a912ef9e755 100644 --- a/compiler/rustc_codegen_llvm/src/back/write.rs +++ b/compiler/rustc_codegen_llvm/src/back/write.rs @@ -245,12 +245,12 @@ pub fn target_machine_factory( match sess.opts.debuginfo_compression { rustc_session::config::DebugInfoCompression::Zlib => { if !unsafe { LLVMRustLLVMHasZlibCompressionForDebugSymbols() } { - sess.dcx().emit_warning(UnknownCompression { algorithm: "zlib" }); + sess.dcx().emit_warn(UnknownCompression { algorithm: "zlib" }); } } rustc_session::config::DebugInfoCompression::Zstd => { if !unsafe { LLVMRustLLVMHasZstdCompressionForDebugSymbols() } { - sess.dcx().emit_warning(UnknownCompression { algorithm: "zstd" }); + sess.dcx().emit_warn(UnknownCompression { algorithm: "zstd" }); } } rustc_session::config::DebugInfoCompression::None => {} @@ -417,7 +417,7 @@ fn report_inline_asm( } let level = match level { llvm::DiagnosticLevel::Error => Level::Error, - llvm::DiagnosticLevel::Warning => Level::Warning(None), + llvm::DiagnosticLevel::Warning => Level::Warning, llvm::DiagnosticLevel::Note | llvm::DiagnosticLevel::Remark => Level::Note, }; cgcx.diag_emitter.inline_asm_error(cookie as u32, msg, level, source); @@ -457,7 +457,7 @@ unsafe extern "C" fn diagnostic_handler(info: &DiagnosticInfo, user: *mut c_void llvm::LLVMRustWriteDiagnosticInfoToString(diagnostic_ref, s) }) .expect("non-UTF8 diagnostic"); - dcx.emit_warning(FromLlvmDiag { message }); + dcx.emit_warn(FromLlvmDiag { message }); } llvm::diagnostic::Unsupported(diagnostic_ref) => { let message = llvm::build_string(|s| { diff --git a/compiler/rustc_codegen_llvm/src/errors.rs b/compiler/rustc_codegen_llvm/src/errors.rs index 6e2c0dc21ad..697ce602298 100644 --- a/compiler/rustc_codegen_llvm/src/errors.rs +++ b/compiler/rustc_codegen_llvm/src/errors.rs @@ -106,7 +106,7 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for ParseTargetMachineConfig<'_ let message = dcx.eagerly_translate_to_string(message.clone(), diag.args()); DiagnosticBuilder::new(dcx, level, fluent::codegen_llvm_parse_target_machine_config) - .arg_mv("error", message) + .with_arg("error", message) } } @@ -204,8 +204,8 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for WithLlvmError<'_> { }; self.0 .into_diagnostic(dcx, level) - .primary_message_mv(msg_with_llvm_err) - .arg_mv("llvm_err", self.1) + .with_primary_message(msg_with_llvm_err) + .with_arg("llvm_err", self.1) } } diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs index 03b79a143cc..99f4488ac0f 100644 --- a/compiler/rustc_codegen_llvm/src/llvm_util.rs +++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs @@ -529,7 +529,7 @@ pub(crate) fn global_llvm_features(sess: &Session, diagnostics: bool) -> Vec<Str Some(c @ ('+' | '-')) => c, Some(_) => { if diagnostics { - sess.dcx().emit_warning(UnknownCTargetFeaturePrefix { feature: s }); + sess.dcx().emit_warn(UnknownCTargetFeaturePrefix { feature: s }); } return None; } @@ -557,12 +557,12 @@ pub(crate) fn global_llvm_features(sess: &Session, diagnostics: bool) -> Vec<Str } else { UnknownCTargetFeature { feature, rust_feature: PossibleFeature::None } }; - sess.dcx().emit_warning(unknown_feature); + sess.dcx().emit_warn(unknown_feature); } else if feature_state .is_some_and(|(_name, feature_gate)| !feature_gate.is_stable()) { // An unstable feature. Warn about using it. - sess.dcx().emit_warning(UnstableCTargetFeature { feature }); + sess.dcx().emit_warn(UnstableCTargetFeature { feature }); } } diff --git a/compiler/rustc_codegen_ssa/src/back/link.rs b/compiler/rustc_codegen_ssa/src/back/link.rs index 215649f33ff..70fda982b01 100644 --- a/compiler/rustc_codegen_ssa/src/back/link.rs +++ b/compiler/rustc_codegen_ssa/src/back/link.rs @@ -1016,7 +1016,7 @@ fn link_natively<'a>( if !prog.status.success() { let mut output = prog.stderr.clone(); output.extend_from_slice(&prog.stdout); - sess.dcx().emit_warning(errors::ProcessingDymutilFailed { + sess.dcx().emit_warn(errors::ProcessingDymutilFailed { status: prog.status, output: escape_string(&output), }); @@ -1091,7 +1091,7 @@ fn strip_symbols_with_external_utility<'a>( if !prog.status.success() { let mut output = prog.stderr.clone(); output.extend_from_slice(&prog.stdout); - sess.dcx().emit_warning(errors::StrippingDebugInfoFailed { + sess.dcx().emit_warn(errors::StrippingDebugInfoFailed { util, status: prog.status, output: escape_string(&output), @@ -2406,7 +2406,7 @@ fn collect_natvis_visualizers( visualizer_paths.push(visualizer_out_file); } Err(error) => { - sess.dcx().emit_warning(errors::UnableToWriteDebuggerVisualizer { + sess.dcx().emit_warn(errors::UnableToWriteDebuggerVisualizer { path: visualizer_out_file, error, }); diff --git a/compiler/rustc_codegen_ssa/src/back/linker.rs b/compiler/rustc_codegen_ssa/src/back/linker.rs index 695aeb0b2fb..90f5027c264 100644 --- a/compiler/rustc_codegen_ssa/src/back/linker.rs +++ b/compiler/rustc_codegen_ssa/src/back/linker.rs @@ -446,11 +446,11 @@ impl<'a> Linker for GccLinker<'a> { // FIXME(81490): ld64 doesn't support these flags but macOS 11 // has -needed-l{} / -needed_library {} // but we have no way to detect that here. - self.sess.dcx().emit_warning(errors::Ld64UnimplementedModifier); + self.sess.dcx().emit_warn(errors::Ld64UnimplementedModifier); } else if self.is_gnu && !self.sess.target.is_like_windows { self.linker_arg("--no-as-needed"); } else { - self.sess.dcx().emit_warning(errors::LinkerUnsupportedModifier); + self.sess.dcx().emit_warn(errors::LinkerUnsupportedModifier); } } self.hint_dynamic(); @@ -504,7 +504,7 @@ impl<'a> Linker for GccLinker<'a> { // FIXME(81490): ld64 as of macOS 11 supports the -needed_framework // flag but we have no way to detect that here. // self.cmd.arg("-needed_framework").arg(framework); - self.sess.dcx().emit_warning(errors::Ld64UnimplementedModifier); + self.sess.dcx().emit_warn(errors::Ld64UnimplementedModifier); } self.cmd.arg("-framework").arg(framework); } @@ -950,7 +950,7 @@ impl<'a> Linker for MsvcLinker<'a> { } } Err(error) => { - self.sess.dcx().emit_warning(errors::NoNatvisDirectory { error }); + self.sess.dcx().emit_warn(errors::NoNatvisDirectory { error }); } } } @@ -1501,7 +1501,7 @@ impl<'a> Linker for L4Bender<'a> { fn export_symbols(&mut self, _: &Path, _: CrateType, _: &[String]) { // ToDo, not implemented, copy from GCC - self.sess.dcx().emit_warning(errors::L4BenderExportingSymbolsUnimplemented); + self.sess.dcx().emit_warn(errors::L4BenderExportingSymbolsUnimplemented); return; } diff --git a/compiler/rustc_codegen_ssa/src/back/write.rs b/compiler/rustc_codegen_ssa/src/back/write.rs index d2c6b6e0c7b..8e835039970 100644 --- a/compiler/rustc_codegen_ssa/src/back/write.rs +++ b/compiler/rustc_codegen_ssa/src/back/write.rs @@ -573,11 +573,11 @@ fn produce_final_output_artifacts( if crate_output.outputs.contains_key(&output_type) { // 2) Multiple codegen units, with `--emit foo=some_name`. We have // no good solution for this case, so warn the user. - sess.dcx().emit_warning(errors::IgnoringEmitPath { extension }); + sess.dcx().emit_warn(errors::IgnoringEmitPath { extension }); } else if crate_output.single_output_file.is_some() { // 3) Multiple codegen units, with `-o some_name`. We have // no good solution for this case, so warn the user. - sess.dcx().emit_warning(errors::IgnoringOutput { extension }); + sess.dcx().emit_warn(errors::IgnoringOutput { extension }); } else { // 4) Multiple codegen units, but no explicit name. We // just leave the `foo.0.x` files in place. @@ -1847,14 +1847,9 @@ impl SharedEmitterMain { dcx.emit_diagnostic(d); } Ok(SharedEmitterMessage::InlineAsmError(cookie, msg, level, source)) => { - let err_level = match level { - Level::Error => Level::Error, - Level::Warning(_) => Level::Warning(None), - Level::Note => Level::Note, - _ => bug!("Invalid inline asm diagnostic level"), - }; + assert!(matches!(level, Level::Error | Level::Warning | Level::Note)); let msg = msg.strip_prefix("error: ").unwrap_or(&msg).to_string(); - let mut err = DiagnosticBuilder::<()>::new(sess.dcx(), err_level, msg); + let mut err = DiagnosticBuilder::<()>::new(sess.dcx(), level, msg); // If the cookie is 0 then we don't have span information. if cookie != 0 { diff --git a/compiler/rustc_codegen_ssa/src/codegen_attrs.rs b/compiler/rustc_codegen_ssa/src/codegen_attrs.rs index f53067d194a..36d7234a6ea 100644 --- a/compiler/rustc_codegen_ssa/src/codegen_attrs.rs +++ b/compiler/rustc_codegen_ssa/src/codegen_attrs.rs @@ -1,6 +1,6 @@ use rustc_ast::{ast, attr, MetaItemKind, NestedMetaItem}; use rustc_attr::{list_contains_name, InlineAttr, InstructionSetAttr, OptimizeAttr}; -use rustc_errors::struct_span_err; +use rustc_errors::struct_span_code_err; use rustc_hir as hir; use rustc_hir::def::DefKind; use rustc_hir::def_id::{DefId, LocalDefId, LOCAL_CRATE}; @@ -216,7 +216,7 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: LocalDefId) -> CodegenFnAttrs { if let Some(fn_sig) = fn_sig() && !matches!(fn_sig.skip_binder().abi(), abi::Abi::C { .. }) { - struct_span_err!( + struct_span_code_err!( tcx.dcx(), attr.span, E0776, @@ -225,7 +225,7 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: LocalDefId) -> CodegenFnAttrs { .emit(); } if !tcx.sess.target.llvm_target.contains("thumbv8m") { - struct_span_err!(tcx.dcx(), attr.span, E0775, "`#[cmse_nonsecure_entry]` is only valid for targets with the TrustZone-M extension") + struct_span_code_err!(tcx.dcx(), 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 @@ -238,7 +238,7 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: LocalDefId) -> CodegenFnAttrs { && let Some(fn_sig) = fn_sig() && fn_sig.skip_binder().abi() != abi::Abi::Rust { - struct_span_err!( + struct_span_code_err!( tcx.dcx(), attr.span, E0737, @@ -265,7 +265,7 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: LocalDefId) -> CodegenFnAttrs { 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!( + struct_span_code_err!( tcx.dcx(), attr.span, E0648, @@ -309,7 +309,7 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: LocalDefId) -> CodegenFnAttrs { attr.span, "`#[target_feature(..)]` can only be applied to `unsafe` functions", ) - .span_label_mv(tcx.def_span(did), "not an `unsafe` function") + .with_span_label(tcx.def_span(did), "not an `unsafe` function") .emit(); } else { check_target_feature_trait_unsafe(tcx, did, attr.span); @@ -385,7 +385,7 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: LocalDefId) -> CodegenFnAttrs { match segments.as_slice() { [sym::arm, sym::a32] | [sym::arm, sym::t32] => { if !tcx.sess.target.has_thumb_interworking { - struct_span_err!( + struct_span_code_err!( tcx.dcx(), attr.span, E0779, @@ -402,7 +402,7 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: LocalDefId) -> CodegenFnAttrs { } } _ => { - struct_span_err!( + struct_span_code_err!( tcx.dcx(), attr.span, E0779, @@ -414,7 +414,7 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: LocalDefId) -> CodegenFnAttrs { } } [] => { - struct_span_err!( + struct_span_code_err!( tcx.dcx(), attr.span, E0778, @@ -424,7 +424,7 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: LocalDefId) -> CodegenFnAttrs { None } _ => { - struct_span_err!( + struct_span_code_err!( tcx.dcx(), attr.span, E0779, @@ -442,7 +442,7 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: LocalDefId) -> CodegenFnAttrs { { rustc_attr::parse_alignment(&literal.kind) .map_err(|msg| { - struct_span_err!( + struct_span_code_err!( tcx.dcx(), attr.span, E0589, @@ -469,15 +469,16 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: LocalDefId) -> CodegenFnAttrs { Some(MetaItemKind::List(ref items)) => { inline_span = Some(attr.span); if items.len() != 1 { - struct_span_err!(tcx.dcx(), attr.span, E0534, "expected one argument").emit(); + struct_span_code_err!(tcx.dcx(), 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.dcx(), items[0].span(), E0535, "invalid argument") - .help_mv("valid inline arguments are `always` and `never`") + struct_span_code_err!(tcx.dcx(), items[0].span(), E0535, "invalid argument") + .with_help("valid inline arguments are `always` and `never`") .emit(); InlineAttr::None @@ -492,7 +493,7 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: LocalDefId) -> CodegenFnAttrs { if !attr.has_name(sym::optimize) { return ia; } - let err = |sp, s| struct_span_err!(tcx.dcx(), sp, E0722, "{}", s).emit(); + let err = |sp, s| struct_span_code_err!(tcx.dcx(), sp, E0722, "{}", s).emit(); match attr.meta_kind() { Some(MetaItemKind::Word) => { err(attr.span, "expected one argument"); @@ -662,7 +663,7 @@ fn check_link_ordinal(tcx: TyCtxt<'_>, attr: &ast::Attribute) -> Option<u16> { let msg = format!("ordinal value in `link_ordinal` is too large: `{}`", &ordinal); tcx.dcx() .struct_span_err(attr.span, msg) - .note_mv("the value may not exceed `u16::MAX`") + .with_note("the value may not exceed `u16::MAX`") .emit(); None } diff --git a/compiler/rustc_codegen_ssa/src/errors.rs b/compiler/rustc_codegen_ssa/src/errors.rs index 7e3b69fa52f..f90e1906caf 100644 --- a/compiler/rustc_codegen_ssa/src/errors.rs +++ b/compiler/rustc_codegen_ssa/src/errors.rs @@ -230,25 +230,25 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for ThorinErrorWrapper { thorin::Error::DecompressData(_) => build(fluent::codegen_ssa_thorin_decompress_data), thorin::Error::NamelessSection(_, offset) => { build(fluent::codegen_ssa_thorin_section_without_name) - .arg_mv("offset", format!("0x{offset:08x}")) + .with_arg("offset", format!("0x{offset:08x}")) } thorin::Error::RelocationWithInvalidSymbol(section, offset) => { build(fluent::codegen_ssa_thorin_relocation_with_invalid_symbol) - .arg_mv("section", section) - .arg_mv("offset", format!("0x{offset:08x}")) + .with_arg("section", section) + .with_arg("offset", format!("0x{offset:08x}")) } thorin::Error::MultipleRelocations(section, offset) => { build(fluent::codegen_ssa_thorin_multiple_relocations) - .arg_mv("section", section) - .arg_mv("offset", format!("0x{offset:08x}")) + .with_arg("section", section) + .with_arg("offset", format!("0x{offset:08x}")) } thorin::Error::UnsupportedRelocation(section, offset) => { build(fluent::codegen_ssa_thorin_unsupported_relocation) - .arg_mv("section", section) - .arg_mv("offset", format!("0x{offset:08x}")) + .with_arg("section", section) + .with_arg("offset", format!("0x{offset:08x}")) } thorin::Error::MissingDwoName(id) => build(fluent::codegen_ssa_thorin_missing_dwo_name) - .arg_mv("id", format!("0x{id:08x}")), + .with_arg("id", format!("0x{id:08x}")), thorin::Error::NoCompilationUnits => { build(fluent::codegen_ssa_thorin_no_compilation_units) } @@ -258,7 +258,7 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for ThorinErrorWrapper { } thorin::Error::MissingRequiredSection(section) => { build(fluent::codegen_ssa_thorin_missing_required_section) - .arg_mv("section", section) + .with_arg("section", section) } thorin::Error::ParseUnitAbbreviations(_) => { build(fluent::codegen_ssa_thorin_parse_unit_abbreviations) @@ -272,31 +272,30 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for ThorinErrorWrapper { thorin::Error::ParseUnit(_) => build(fluent::codegen_ssa_thorin_parse_unit), thorin::Error::IncompatibleIndexVersion(section, format, actual) => { build(fluent::codegen_ssa_thorin_incompatible_index_version) - .arg_mv("section", section) - .arg_mv("actual", actual) - .arg_mv("format", format) + .with_arg("section", section) + .with_arg("actual", actual) + .with_arg("format", format) } thorin::Error::OffsetAtIndex(_, index) => { - build(fluent::codegen_ssa_thorin_offset_at_index).arg_mv("index", index) + build(fluent::codegen_ssa_thorin_offset_at_index).with_arg("index", index) } thorin::Error::StrAtOffset(_, offset) => { build(fluent::codegen_ssa_thorin_str_at_offset) - .arg_mv("offset", format!("0x{offset:08x}")) + .with_arg("offset", format!("0x{offset:08x}")) } thorin::Error::ParseIndex(_, section) => { - build(fluent::codegen_ssa_thorin_parse_index).arg_mv("section", section) + build(fluent::codegen_ssa_thorin_parse_index).with_arg("section", section) } thorin::Error::UnitNotInIndex(unit) => { build(fluent::codegen_ssa_thorin_unit_not_in_index) - .arg_mv("unit", format!("0x{unit:08x}")) + .with_arg("unit", format!("0x{unit:08x}")) } thorin::Error::RowNotInIndex(_, row) => { - build(fluent::codegen_ssa_thorin_row_not_in_index).arg_mv("row", row) + build(fluent::codegen_ssa_thorin_row_not_in_index).with_arg("row", row) } thorin::Error::SectionNotInRow => build(fluent::codegen_ssa_thorin_section_not_in_row), - thorin::Error::EmptyUnit(unit) => { - build(fluent::codegen_ssa_thorin_empty_unit).arg_mv("unit", format!("0x{unit:08x}")) - } + thorin::Error::EmptyUnit(unit) => build(fluent::codegen_ssa_thorin_empty_unit) + .with_arg("unit", format!("0x{unit:08x}")), thorin::Error::MultipleDebugInfoSection => { build(fluent::codegen_ssa_thorin_multiple_debug_info_section) } @@ -305,10 +304,10 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for ThorinErrorWrapper { } thorin::Error::NotSplitUnit => build(fluent::codegen_ssa_thorin_not_split_unit), thorin::Error::DuplicateUnit(unit) => build(fluent::codegen_ssa_thorin_duplicate_unit) - .arg_mv("unit", format!("0x{unit:08x}")), + .with_arg("unit", format!("0x{unit:08x}")), thorin::Error::MissingReferencedUnit(unit) => { build(fluent::codegen_ssa_thorin_missing_referenced_unit) - .arg_mv("unit", format!("0x{unit:08x}")) + .with_arg("unit", format!("0x{unit:08x}")) } thorin::Error::NoOutputObjectCreated => { build(fluent::codegen_ssa_thorin_not_output_object_created) @@ -317,19 +316,19 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for ThorinErrorWrapper { build(fluent::codegen_ssa_thorin_mixed_input_encodings) } thorin::Error::Io(e) => { - build(fluent::codegen_ssa_thorin_io).arg_mv("error", format!("{e}")) + build(fluent::codegen_ssa_thorin_io).with_arg("error", format!("{e}")) } thorin::Error::ObjectRead(e) => { - build(fluent::codegen_ssa_thorin_object_read).arg_mv("error", format!("{e}")) + build(fluent::codegen_ssa_thorin_object_read).with_arg("error", format!("{e}")) } thorin::Error::ObjectWrite(e) => { - build(fluent::codegen_ssa_thorin_object_write).arg_mv("error", format!("{e}")) + build(fluent::codegen_ssa_thorin_object_write).with_arg("error", format!("{e}")) } thorin::Error::GimliRead(e) => { - build(fluent::codegen_ssa_thorin_gimli_read).arg_mv("error", format!("{e}")) + build(fluent::codegen_ssa_thorin_gimli_read).with_arg("error", format!("{e}")) } thorin::Error::GimliWrite(e) => { - build(fluent::codegen_ssa_thorin_gimli_write).arg_mv("error", format!("{e}")) + build(fluent::codegen_ssa_thorin_gimli_write).with_arg("error", format!("{e}")) } _ => unimplemented!("Untranslated thorin error"), } diff --git a/compiler/rustc_codegen_ssa/src/target_features.rs b/compiler/rustc_codegen_ssa/src/target_features.rs index c0ce8a54af5..0fef6bc110e 100644 --- a/compiler/rustc_codegen_ssa/src/target_features.rs +++ b/compiler/rustc_codegen_ssa/src/target_features.rs @@ -27,7 +27,7 @@ pub fn from_target_feature( let code = "enable = \"..\""; tcx.dcx() .struct_span_err(span, msg) - .span_suggestion_mv(span, "must be of the form", code, Applicability::HasPlaceholders) + .with_span_suggestion(span, "must be of the form", code, Applicability::HasPlaceholders) .emit(); }; let rust_features = tcx.features(); diff --git a/compiler/rustc_const_eval/src/const_eval/machine.rs b/compiler/rustc_const_eval/src/const_eval/machine.rs index 7fb5f10c6ca..6947ace17c5 100644 --- a/compiler/rustc_const_eval/src/const_eval/machine.rs +++ b/compiler/rustc_const_eval/src/const_eval/machine.rs @@ -391,10 +391,10 @@ impl<'mir, 'tcx> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter<'mir, if ecx.tcx.is_ctfe_mir_available(def) { Ok(ecx.tcx.mir_for_ctfe(def)) } else if ecx.tcx.def_kind(def) == DefKind::AssocConst { - let guar = ecx.tcx.dcx().span_delayed_bug( - rustc_span::DUMMY_SP, - "This is likely a const item that is missing from its impl", - ); + let guar = ecx + .tcx + .dcx() + .delayed_bug("This is likely a const item that is missing from its impl"); throw_inval!(AlreadyReported(guar.into())); } else { // `find_mir_or_eval_fn` checks that this is a const fn before even calling us, @@ -630,7 +630,7 @@ impl<'mir, 'tcx> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter<'mir, // current number of evaluated terminators is a power of 2. The latter gives us a cheap // way to implement exponential backoff. let span = ecx.cur_span(); - ecx.tcx.dcx().emit_warning(LongRunningWarn { span, item_span: ecx.tcx.span }); + ecx.tcx.dcx().emit_warn(LongRunningWarn { span, item_span: ecx.tcx.span }); } } diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs index 3047f5d47e4..2e4baf26176 100644 --- a/compiler/rustc_driver_impl/src/lib.rs +++ b/compiler/rustc_driver_impl/src/lib.rs @@ -1429,7 +1429,7 @@ fn report_ice( } Err(err) => { // The path ICE couldn't be written to disk, provide feedback to the user as to why. - dcx.emit_warning(session_diagnostics::IcePathError { + dcx.emit_warn(session_diagnostics::IcePathError { path: path.clone(), error: err.to_string(), env_var: std::env::var_os("RUSTC_ICE") diff --git a/compiler/rustc_error_codes/src/error_codes.rs b/compiler/rustc_error_codes/src/error_codes.rs index a1391cceb71..9cd9ed54d41 100644 --- a/compiler/rustc_error_codes/src/error_codes.rs +++ b/compiler/rustc_error_codes/src/error_codes.rs @@ -516,6 +516,7 @@ E0793: include_str!("./error_codes/E0793.md"), E0794: include_str!("./error_codes/E0794.md"), E0795: include_str!("./error_codes/E0795.md"), E0796: include_str!("./error_codes/E0796.md"), +E0797: include_str!("./error_codes/E0797.md"), } // Undocumented removed error codes. Note that many removed error codes are kept in the list above diff --git a/compiler/rustc_error_codes/src/error_codes/E0797.md b/compiler/rustc_error_codes/src/error_codes/E0797.md new file mode 100644 index 00000000000..8a912307264 --- /dev/null +++ b/compiler/rustc_error_codes/src/error_codes/E0797.md @@ -0,0 +1,26 @@ +Struct update syntax was used without a base expression. + +Erroneous code example: + +```compile_fail,E0797 +struct Foo { + fizz: u8, + buzz: u8 +} + +let f1 = Foo { fizz: 10, buzz: 1}; +let f2 = Foo { fizz: 10, .. }; // error +``` + +Using struct update syntax requires a 'base expression'. +This will be used to fill remaining fields. + +``` +struct Foo { + fizz: u8, + buzz: u8 +} + +let f1 = Foo { fizz: 10, buzz: 1}; +let f2 = Foo { fizz: 10, ..f1 }; +``` diff --git a/compiler/rustc_errors/src/annotate_snippet_emitter_writer.rs b/compiler/rustc_errors/src/annotate_snippet_emitter_writer.rs index 5c0e210f147..97f2efa7874 100644 --- a/compiler/rustc_errors/src/annotate_snippet_emitter_writer.rs +++ b/compiler/rustc_errors/src/annotate_snippet_emitter_writer.rs @@ -87,7 +87,7 @@ fn source_string(file: Lrc<SourceFile>, line: &Line) -> String { fn annotation_type_for_level(level: Level) -> AnnotationType { match level { Level::Bug | Level::DelayedBug | Level::Fatal | Level::Error => AnnotationType::Error, - Level::Warning(_) => AnnotationType::Warning, + Level::ForceWarning(_) | Level::Warning => AnnotationType::Warning, Level::Note | Level::OnceNote => AnnotationType::Note, Level::Help | Level::OnceHelp => AnnotationType::Help, // FIXME(#59346): Not sure how to map this level diff --git a/compiler/rustc_errors/src/diagnostic.rs b/compiler/rustc_errors/src/diagnostic.rs index 701c1c02ab0..d8d6922a1bc 100644 --- a/compiler/rustc_errors/src/diagnostic.rs +++ b/compiler/rustc_errors/src/diagnostic.rs @@ -152,7 +152,6 @@ pub enum DiagnosticId { name: String, /// Indicates whether this lint should show up in cargo's future breakage report. has_future_breakage: bool, - is_force_warn: bool, }, } @@ -248,7 +247,8 @@ impl Diagnostic { true } - Level::Warning(_) + Level::ForceWarning(_) + | Level::Warning | Level::Note | Level::OnceNote | Level::Help @@ -262,7 +262,7 @@ impl Diagnostic { &mut self, unstable_to_stable: &FxIndexMap<LintExpectationId, LintExpectationId>, ) { - if let Level::Expect(expectation_id) | Level::Warning(Some(expectation_id)) = + if let Level::Expect(expectation_id) | Level::ForceWarning(Some(expectation_id)) = &mut self.level { if expectation_id.is_stable() { @@ -292,8 +292,11 @@ impl Diagnostic { } pub(crate) fn is_force_warn(&self) -> bool { - match self.code { - Some(DiagnosticId::Lint { is_force_warn, .. }) => is_force_warn, + match self.level { + Level::ForceWarning(_) => { + assert!(self.is_lint); + true + } _ => false, } } @@ -472,7 +475,7 @@ impl Diagnostic { /// Add a warning attached to this diagnostic. #[rustc_lint_diagnostics] pub fn warn(&mut self, msg: impl Into<SubdiagnosticMessage>) -> &mut Self { - self.sub(Level::Warning(None), msg, MultiSpan::new()); + self.sub(Level::Warning, msg, MultiSpan::new()); self } @@ -484,7 +487,7 @@ impl Diagnostic { sp: S, msg: impl Into<SubdiagnosticMessage>, ) -> &mut Self { - self.sub(Level::Warning(None), msg, sp.into()); + self.sub(Level::Warning, msg, sp.into()); self } diff --git a/compiler/rustc_errors/src/diagnostic_builder.rs b/compiler/rustc_errors/src/diagnostic_builder.rs index 3789cdaf354..a02909f29c4 100644 --- a/compiler/rustc_errors/src/diagnostic_builder.rs +++ b/compiler/rustc_errors/src/diagnostic_builder.rs @@ -30,7 +30,7 @@ where G: EmissionGuarantee, { fn into_diagnostic(self, dcx: &'a DiagCtxt, level: Level) -> DiagnosticBuilder<'a, G> { - self.node.into_diagnostic(dcx, level).span_mv(self.span) + self.node.into_diagnostic(dcx, level).with_span(self.span) } } @@ -173,26 +173,26 @@ impl EmissionGuarantee for rustc_span::fatal_error::FatalError { /// `Diagnostic` method. It is mostly to modify existing diagnostics, either /// in a standalone fashion, e.g. `err.code(code)`, or in a chained fashion /// to make multiple modifications, e.g. `err.code(code).span(span)`. -/// - A `self -> Self` method, with `_mv` suffix added (short for "move"). +/// - A `self -> Self` method, which has a `with_` prefix added. /// It is mostly used in a chained fashion when producing a new diagnostic, -/// e.g. `let err = struct_err(msg).code_mv(code)`, or when emitting a new -/// diagnostic , e.g. `struct_err(msg).code_mv(code).emit()`. +/// e.g. `let err = struct_err(msg).with_code(code)`, or when emitting a new +/// diagnostic , e.g. `struct_err(msg).with_code(code).emit()`. /// /// Although the latter method can be used to modify an existing diagnostic, -/// e.g. `err = err.code_mv(code)`, this should be avoided because the former -/// method give shorter code, e.g. `err.code(code)`. +/// e.g. `err = err.with_code(code)`, this should be avoided because the former +/// method gives shorter code, e.g. `err.code(code)`. macro_rules! forward { ( - ($n:ident, $n_mv:ident)($($name:ident: $ty:ty),* $(,)?) + ($f:ident, $with_f:ident)($($name:ident: $ty:ty),* $(,)?) ) => { - #[doc = concat!("See [`Diagnostic::", stringify!($n), "()`].")] - pub fn $n(&mut self, $($name: $ty),*) -> &mut Self { - self.diag.as_mut().unwrap().$n($($name),*); + #[doc = concat!("See [`Diagnostic::", stringify!($f), "()`].")] + pub fn $f(&mut self, $($name: $ty),*) -> &mut Self { + self.diag.as_mut().unwrap().$f($($name),*); self } - #[doc = concat!("See [`Diagnostic::", stringify!($n), "()`].")] - pub fn $n_mv(mut self, $($name: $ty),*) -> Self { - self.diag.as_mut().unwrap().$n($($name),*); + #[doc = concat!("See [`Diagnostic::", stringify!($f), "()`].")] + pub fn $with_f(mut self, $($name: $ty),*) -> Self { + self.diag.as_mut().unwrap().$f($($name),*); self } }; @@ -265,7 +265,7 @@ impl<'a, G: EmissionGuarantee> DiagnosticBuilder<'a, G> { /// Converts the builder to a `Diagnostic` for later emission, /// unless dcx has disabled such buffering. - pub fn into_diagnostic(mut self) -> Option<(Diagnostic, &'a DiagCtxt)> { + fn into_diagnostic(mut self) -> Option<(Diagnostic, &'a DiagCtxt)> { if self.dcx.inner.lock().flags.treat_err_as_bug.is_some() { self.emit(); return None; @@ -302,21 +302,21 @@ impl<'a, G: EmissionGuarantee> DiagnosticBuilder<'a, G> { self.emit() } - forward!((span_label, span_label_mv)( + forward!((span_label, with_span_label)( span: Span, label: impl Into<SubdiagnosticMessage>, )); - forward!((span_labels, span_labels_mv)( + forward!((span_labels, with_span_labels)( spans: impl IntoIterator<Item = Span>, label: &str, )); - forward!((note_expected_found, note_expected_found_mv)( + forward!((note_expected_found, with_note_expected_found)( expected_label: &dyn fmt::Display, expected: DiagnosticStyledString, found_label: &dyn fmt::Display, found: DiagnosticStyledString, )); - forward!((note_expected_found_extra, note_expected_found_extra_mv)( + forward!((note_expected_found_extra, with_note_expected_found_extra)( expected_label: &dyn fmt::Display, expected: DiagnosticStyledString, found_label: &dyn fmt::Display, @@ -324,106 +324,110 @@ impl<'a, G: EmissionGuarantee> DiagnosticBuilder<'a, G> { expected_extra: &dyn fmt::Display, found_extra: &dyn fmt::Display, )); - forward!((note, note_mv)( + forward!((note, with_note)( msg: impl Into<SubdiagnosticMessage>, )); - forward!((note_once, note_once_mv)( + forward!((note_once, with_note_once)( msg: impl Into<SubdiagnosticMessage>, )); - forward!((span_note, span_note_mv)( + forward!((span_note, with_span_note)( sp: impl Into<MultiSpan>, msg: impl Into<SubdiagnosticMessage>, )); - forward!((span_note_once, span_note_once_mv)( + forward!((span_note_once, with_span_note_once)( sp: impl Into<MultiSpan>, msg: impl Into<SubdiagnosticMessage>, )); - forward!((warn, warn_mv)( + forward!((warn, with_warn)( msg: impl Into<SubdiagnosticMessage>, )); - forward!((span_warn, span_warn_mv)( + forward!((span_warn, with_span_warn)( sp: impl Into<MultiSpan>, msg: impl Into<SubdiagnosticMessage>, )); - forward!((help, help_mv)( + forward!((help, with_help)( msg: impl Into<SubdiagnosticMessage>, )); - forward!((help_once, help_once_mv)( + forward!((help_once, with_help_once)( msg: impl Into<SubdiagnosticMessage>, )); - forward!((span_help, span_help_once_mv)( + forward!((span_help, with_span_help_once)( sp: impl Into<MultiSpan>, msg: impl Into<SubdiagnosticMessage>, )); - forward!((multipart_suggestion, multipart_suggestion_mv)( + forward!((multipart_suggestion, with_multipart_suggestion)( msg: impl Into<SubdiagnosticMessage>, suggestion: Vec<(Span, String)>, applicability: Applicability, )); - forward!((multipart_suggestion_verbose, multipart_suggestion_verbose_mv)( + forward!((multipart_suggestion_verbose, with_multipart_suggestion_verbose)( msg: impl Into<SubdiagnosticMessage>, suggestion: Vec<(Span, String)>, applicability: Applicability, )); - forward!((tool_only_multipart_suggestion, tool_only_multipart_suggestion_mv)( + forward!((tool_only_multipart_suggestion, with_tool_only_multipart_suggestion)( msg: impl Into<SubdiagnosticMessage>, suggestion: Vec<(Span, String)>, applicability: Applicability, )); - forward!((span_suggestion, span_suggestion_mv)( + forward!((span_suggestion, with_span_suggestion)( sp: Span, msg: impl Into<SubdiagnosticMessage>, suggestion: impl ToString, applicability: Applicability, )); - forward!((span_suggestions, span_suggestions_mv)( + forward!((span_suggestions, with_span_suggestions)( sp: Span, msg: impl Into<SubdiagnosticMessage>, suggestions: impl IntoIterator<Item = String>, applicability: Applicability, )); - forward!((multipart_suggestions, multipart_suggestions_mv)( + forward!((multipart_suggestions, with_multipart_suggestions)( msg: impl Into<SubdiagnosticMessage>, suggestions: impl IntoIterator<Item = Vec<(Span, String)>>, applicability: Applicability, )); - forward!((span_suggestion_short, span_suggestion_short_mv)( + forward!((span_suggestion_short, with_span_suggestion_short)( sp: Span, msg: impl Into<SubdiagnosticMessage>, suggestion: impl ToString, applicability: Applicability, )); - forward!((span_suggestion_verbose, span_suggestion_verbose_mv)( + forward!((span_suggestion_verbose, with_span_suggestion_verbose)( sp: Span, msg: impl Into<SubdiagnosticMessage>, suggestion: impl ToString, applicability: Applicability, )); - forward!((span_suggestion_hidden, span_suggestion_hidden_mv)( + forward!((span_suggestion_hidden, with_span_suggestion_hidden)( sp: Span, msg: impl Into<SubdiagnosticMessage>, suggestion: impl ToString, applicability: Applicability, )); - forward!((tool_only_span_suggestion, tool_only_span_suggestion_mv)( + forward!((tool_only_span_suggestion, with_tool_only_span_suggestion)( sp: Span, msg: impl Into<SubdiagnosticMessage>, suggestion: impl ToString, applicability: Applicability, )); - forward!((primary_message, primary_message_mv)( + forward!((primary_message, with_primary_message)( msg: impl Into<DiagnosticMessage>, )); - forward!((span, span_mv)( + forward!((span, with_span)( sp: impl Into<MultiSpan>, )); - forward!((code, code_mv)( + forward!((code, with_code)( s: DiagnosticId, )); - forward!((arg, arg_mv)( + forward!((arg, with_arg)( name: impl Into<Cow<'static, str>>, arg: impl IntoDiagnosticArg, )); - forward!((subdiagnostic, subdiagnostic_mv)( + forward!((subdiagnostic, with_subdiagnostic)( + subdiagnostic: impl crate::AddToDiagnostic, + )); + forward!((eager_subdiagnostic, with_eager_subdiagnostic)( + dcx: &DiagCtxt, subdiagnostic: impl crate::AddToDiagnostic, )); } @@ -453,13 +457,13 @@ impl<G: EmissionGuarantee> Drop for DiagnosticBuilder<'_, G> { } #[macro_export] -macro_rules! struct_span_err { +macro_rules! struct_span_code_err { ($dcx:expr, $span:expr, $code:ident, $($message:tt)*) => ({ $dcx.struct_span_err( $span, format!($($message)*), ) - .code_mv($crate::error_code!($code)) + .with_code($crate::error_code!($code)) }) } diff --git a/compiler/rustc_errors/src/diagnostic_impls.rs b/compiler/rustc_errors/src/diagnostic_impls.rs index 58d4d2caf2e..39252dea283 100644 --- a/compiler/rustc_errors/src/diagnostic_impls.rs +++ b/compiler/rustc_errors/src/diagnostic_impls.rs @@ -252,40 +252,40 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for TargetDataLayoutErrors<'_> match self { TargetDataLayoutErrors::InvalidAddressSpace { addr_space, err, cause } => { DiagnosticBuilder::new(dcx, level, fluent::errors_target_invalid_address_space) - .arg_mv("addr_space", addr_space) - .arg_mv("cause", cause) - .arg_mv("err", err) + .with_arg("addr_space", addr_space) + .with_arg("cause", cause) + .with_arg("err", err) } TargetDataLayoutErrors::InvalidBits { kind, bit, cause, err } => { DiagnosticBuilder::new(dcx, level, fluent::errors_target_invalid_bits) - .arg_mv("kind", kind) - .arg_mv("bit", bit) - .arg_mv("cause", cause) - .arg_mv("err", err) + .with_arg("kind", kind) + .with_arg("bit", bit) + .with_arg("cause", cause) + .with_arg("err", err) } TargetDataLayoutErrors::MissingAlignment { cause } => { DiagnosticBuilder::new(dcx, level, fluent::errors_target_missing_alignment) - .arg_mv("cause", cause) + .with_arg("cause", cause) } TargetDataLayoutErrors::InvalidAlignment { cause, err } => { DiagnosticBuilder::new(dcx, level, fluent::errors_target_invalid_alignment) - .arg_mv("cause", cause) - .arg_mv("err_kind", err.diag_ident()) - .arg_mv("align", err.align()) + .with_arg("cause", cause) + .with_arg("err_kind", err.diag_ident()) + .with_arg("align", err.align()) } TargetDataLayoutErrors::InconsistentTargetArchitecture { dl, target } => { DiagnosticBuilder::new(dcx, level, fluent::errors_target_inconsistent_architecture) - .arg_mv("dl", dl) - .arg_mv("target", target) + .with_arg("dl", dl) + .with_arg("target", target) } TargetDataLayoutErrors::InconsistentTargetPointerWidth { pointer_size, target } => { DiagnosticBuilder::new(dcx, level, fluent::errors_target_inconsistent_pointer_width) - .arg_mv("pointer_size", pointer_size) - .arg_mv("target", target) + .with_arg("pointer_size", pointer_size) + .with_arg("target", target) } TargetDataLayoutErrors::InvalidBitsSize { err } => { DiagnosticBuilder::new(dcx, level, fluent::errors_target_invalid_bits_size) - .arg_mv("err", err) + .with_arg("err", err) } } } diff --git a/compiler/rustc_errors/src/json.rs b/compiler/rustc_errors/src/json.rs index 52fcb50e9fb..87bf9c23456 100644 --- a/compiler/rustc_errors/src/json.rs +++ b/compiler/rustc_errors/src/json.rs @@ -198,7 +198,7 @@ impl Emitter for JsonEmitter { .into_iter() .map(|mut diag| { if diag.level == crate::Level::Allow { - diag.level = crate::Level::Warning(None); + diag.level = crate::Level::Warning; } FutureBreakageItem { diagnostic: EmitTyped::Diagnostic(Diagnostic::from_errors_diagnostic( diff --git a/compiler/rustc_errors/src/lib.rs b/compiler/rustc_errors/src/lib.rs index 76b7e0d79a9..8fb539fc358 100644 --- a/compiler/rustc_errors/src/lib.rs +++ b/compiler/rustc_errors/src/lib.rs @@ -420,6 +420,7 @@ pub struct DiagCtxt { /// as well as inconsistent state observation. struct DiagCtxtInner { flags: DiagCtxtFlags, + /// The number of lint errors that have been emitted. lint_err_count: usize, /// The number of errors that have been emitted, including duplicates. @@ -427,8 +428,13 @@ struct DiagCtxtInner { /// This is not necessarily the count that's reported to the user once /// compilation ends. err_count: usize, - warn_count: usize, deduplicated_err_count: usize, + /// The warning count, used for a recap upon finishing + deduplicated_warn_count: usize, + /// Has this diagnostic context printed any diagnostics? (I.e. has + /// `self.emitter.emit_diagnostic()` been called? + has_printed: bool, + emitter: Box<DynEmitter>, span_delayed_bugs: Vec<DelayedDiagnostic>, good_path_delayed_bugs: Vec<DelayedDiagnostic>, @@ -455,9 +461,6 @@ struct DiagCtxtInner { /// When `.abort_if_errors()` is called, these are also emitted. stashed_diagnostics: FxIndexMap<(Span, StashKey), Diagnostic>, - /// The warning count, used for a recap upon finishing - deduplicated_warn_count: usize, - future_breakage_diagnostics: Vec<Diagnostic>, /// The [`Self::unstable_expect_diagnostics`] should be empty when this struct is @@ -513,7 +516,7 @@ fn default_track_diagnostic(diag: Diagnostic, f: &mut dyn FnMut(Diagnostic)) { (*f)(diag) } -pub static TRACK_DIAGNOSTICS: AtomicRef<fn(Diagnostic, &mut dyn FnMut(Diagnostic))> = +pub static TRACK_DIAGNOSTIC: AtomicRef<fn(Diagnostic, &mut dyn FnMut(Diagnostic))> = AtomicRef::new(&(default_track_diagnostic as _)); #[derive(Copy, Clone, Default)] @@ -547,8 +550,7 @@ impl Drop for DiagCtxtInner { // instead of "require some error happened". Sadly that isn't ideal, as // lints can be `#[allow]`'d, potentially leading to this triggering. // Also, "good path" should be replaced with a better naming. - let has_any_message = self.err_count > 0 || self.lint_err_count > 0 || self.warn_count > 0; - if !has_any_message && !self.suppressed_expected_diag && !std::thread::panicking() { + if !self.has_printed && !self.suppressed_expected_diag && !std::thread::panicking() { let bugs = std::mem::replace(&mut self.good_path_delayed_bugs, Vec::new()); self.flush_delayed( bugs, @@ -594,9 +596,9 @@ impl DiagCtxt { flags: DiagCtxtFlags { can_emit_warnings: true, ..Default::default() }, lint_err_count: 0, err_count: 0, - warn_count: 0, deduplicated_err_count: 0, deduplicated_warn_count: 0, + has_printed: false, emitter, span_delayed_bugs: Vec::new(), good_path_delayed_bugs: Vec::new(), @@ -647,10 +649,11 @@ impl DiagCtxt { /// the overall count of emitted error diagnostics. pub fn reset_err_count(&self) { let mut inner = self.inner.borrow_mut(); + inner.lint_err_count = 0; inner.err_count = 0; - inner.warn_count = 0; inner.deduplicated_err_count = 0; inner.deduplicated_warn_count = 0; + inner.has_printed = false; // actually free the underlying memory (which `clear` would not do) inner.span_delayed_bugs = Default::default(); @@ -669,16 +672,11 @@ impl DiagCtxt { let key = (span.with_parent(None), key); if diag.is_error() { - if diag.level == Error && diag.is_lint { + if diag.is_lint { inner.lint_err_count += 1; } else { inner.err_count += 1; } - } else { - // Warnings are only automatically flushed if they're forced. - if diag.is_force_warn() { - inner.warn_count += 1; - } } // FIXME(Centril, #69537): Consider reintroducing panic on overwriting a stashed diagnostic @@ -693,15 +691,11 @@ impl DiagCtxt { let key = (span.with_parent(None), key); let diag = inner.stashed_diagnostics.remove(&key)?; if diag.is_error() { - if diag.level == Error && diag.is_lint { + if diag.is_lint { inner.lint_err_count -= 1; } else { inner.err_count -= 1; } - } else { - if diag.is_force_warn() { - inner.warn_count -= 1; - } } Some(DiagnosticBuilder::new_diagnostic(self, diag)) } @@ -727,7 +721,7 @@ impl DiagCtxt { span: impl Into<MultiSpan>, msg: impl Into<DiagnosticMessage>, ) -> DiagnosticBuilder<'_, ()> { - self.struct_warn(msg).span_mv(span) + self.struct_warn(msg).with_span(span) } /// Construct a builder at the `Warning` level with the `msg`. @@ -738,7 +732,7 @@ impl DiagCtxt { #[rustc_lint_diagnostics] #[track_caller] pub fn struct_warn(&self, msg: impl Into<DiagnosticMessage>) -> DiagnosticBuilder<'_, ()> { - DiagnosticBuilder::new(self, Warning(None), msg) + DiagnosticBuilder::new(self, Warning, msg) } /// Construct a builder at the `Allow` level with the `msg`. @@ -767,7 +761,7 @@ impl DiagCtxt { span: impl Into<MultiSpan>, msg: impl Into<DiagnosticMessage>, ) -> DiagnosticBuilder<'_> { - self.struct_err(msg).span_mv(span) + self.struct_err(msg).with_span(span) } /// Construct a builder at the `Error` level with the `msg`. @@ -786,7 +780,7 @@ impl DiagCtxt { span: impl Into<MultiSpan>, msg: impl Into<DiagnosticMessage>, ) -> DiagnosticBuilder<'_, FatalAbort> { - self.struct_fatal(msg).span_mv(span) + self.struct_fatal(msg).with_span(span) } /// Construct a builder at the `Fatal` level with the `msg`. @@ -827,7 +821,7 @@ impl DiagCtxt { span: impl Into<MultiSpan>, msg: impl Into<DiagnosticMessage>, ) -> DiagnosticBuilder<'_, BugAbort> { - self.struct_bug(msg).span_mv(span) + self.struct_bug(msg).with_span(span) } #[rustc_lint_diagnostics] @@ -865,10 +859,16 @@ impl DiagCtxt { /// For example, it can be used to create an [`ErrorGuaranteed`] /// (but you should prefer threading through the [`ErrorGuaranteed`] from an error emission /// directly). - /// - /// If no span is available, use [`DUMMY_SP`]. - /// - /// [`DUMMY_SP`]: rustc_span::DUMMY_SP + #[track_caller] + pub fn delayed_bug(&self, msg: impl Into<DiagnosticMessage>) -> ErrorGuaranteed { + let treat_next_err_as_bug = self.inner.borrow().treat_next_err_as_bug(); + if treat_next_err_as_bug { + self.bug(msg); + } + DiagnosticBuilder::<ErrorGuaranteed>::new(self, DelayedBug, msg).emit() + } + + /// Like `delayed_bug`, but takes an additional span. /// /// Note: this function used to be called `delay_span_bug`. It was renamed /// to match similar functions like `span_err`, `span_warn`, etc. @@ -882,9 +882,7 @@ impl DiagCtxt { if treat_next_err_as_bug { self.span_bug(sp, msg); } - let mut diagnostic = Diagnostic::new(DelayedBug, msg); - diagnostic.span(sp); - self.emit_diagnostic(diagnostic).unwrap() + DiagnosticBuilder::<ErrorGuaranteed>::new(self, DelayedBug, msg).with_span(sp).emit() } // FIXME(eddyb) note the comment inside `impl Drop for DiagCtxtInner`, that's @@ -909,7 +907,7 @@ impl DiagCtxt { span: impl Into<MultiSpan>, msg: impl Into<DiagnosticMessage>, ) -> DiagnosticBuilder<'_, ()> { - DiagnosticBuilder::new(self, Note, msg).span_mv(span) + DiagnosticBuilder::new(self, Note, msg).with_span(span) } #[rustc_lint_diagnostics] @@ -1001,7 +999,7 @@ impl DiagCtxt { (0, 0) => return, (0, _) => inner .emitter - .emit_diagnostic(&Diagnostic::new(Warning(None), DiagnosticMessage::Str(warnings))), + .emit_diagnostic(&Diagnostic::new(Warning, DiagnosticMessage::Str(warnings))), (_, 0) => { inner.emit_diagnostic(Diagnostic::new(Fatal, errors)); } @@ -1086,16 +1084,16 @@ impl DiagCtxt { } #[track_caller] - pub fn create_warning<'a>( + pub fn create_warn<'a>( &'a self, warning: impl IntoDiagnostic<'a, ()>, ) -> DiagnosticBuilder<'a, ()> { - warning.into_diagnostic(self, Warning(None)) + warning.into_diagnostic(self, Warning) } #[track_caller] - pub fn emit_warning<'a>(&'a self, warning: impl IntoDiagnostic<'a, ()>) { - self.create_warning(warning).emit() + pub fn emit_warn<'a>(&'a self, warning: impl IntoDiagnostic<'a, ()>) { + self.create_warn(warning).emit() } #[track_caller] @@ -1227,7 +1225,7 @@ impl DiagCtxt { // Note: we prefer implementing operations on `DiagCtxt`, rather than // `DiagCtxtInner`, whenever possible. This minimizes functions where // `DiagCtxt::foo()` just borrows `inner` and forwards a call to -// `HanderInner::foo`. +// `DiagCtxtInner::foo`. impl DiagCtxtInner { /// Emit all stashed diagnostics. fn emit_stashed_diagnostics(&mut self) -> Option<ErrorGuaranteed> { @@ -1237,21 +1235,17 @@ impl DiagCtxtInner { for diag in diags { // Decrement the count tracking the stash; emitting will increment it. if diag.is_error() { - if diag.level == Error && diag.is_lint { + if diag.is_lint { self.lint_err_count -= 1; } else { self.err_count -= 1; } } else { - if diag.is_force_warn() { - self.warn_count -= 1; - } else { - // Unless they're forced, don't flush stashed warnings when - // there are errors, to avoid causing warning overload. The - // stash would've been stolen already if it were important. - if has_errors { - continue; - } + // Unless they're forced, don't flush stashed warnings when + // there are errors, to avoid causing warning overload. The + // stash would've been stolen already if it were important. + if !diag.is_force_warn() && has_errors { + continue; } } let reported_this = self.emit_diagnostic(diag); @@ -1300,23 +1294,20 @@ impl DiagCtxtInner { self.fulfilled_expectations.insert(expectation_id.normalize()); } - if matches!(diagnostic.level, Warning(_)) - && !self.flags.can_emit_warnings - && !diagnostic.is_force_warn() - { + if diagnostic.level == Warning && !self.flags.can_emit_warnings { if diagnostic.has_future_breakage() { - (*TRACK_DIAGNOSTICS)(diagnostic, &mut |_| {}); + (*TRACK_DIAGNOSTIC)(diagnostic, &mut |_| {}); } return None; } if matches!(diagnostic.level, Expect(_) | Allow) { - (*TRACK_DIAGNOSTICS)(diagnostic, &mut |_| {}); + (*TRACK_DIAGNOSTIC)(diagnostic, &mut |_| {}); return None; } let mut guaranteed = None; - (*TRACK_DIAGNOSTICS)(diagnostic, &mut |mut diagnostic| { + (*TRACK_DIAGNOSTIC)(diagnostic, &mut |mut diagnostic| { if let Some(ref code) = diagnostic.code { self.emitted_diagnostic_codes.insert(code.clone()); } @@ -1355,12 +1346,13 @@ impl DiagCtxtInner { self.emitter.emit_diagnostic(&diagnostic); if diagnostic.is_error() { self.deduplicated_err_count += 1; - } else if let Warning(_) = diagnostic.level { + } else if matches!(diagnostic.level, ForceWarning(_) | Warning) { self.deduplicated_warn_count += 1; } + self.has_printed = true; } if diagnostic.is_error() { - if diagnostic.level == Error && diagnostic.is_lint { + if diagnostic.is_lint { self.bump_lint_err_count(); } else { self.bump_err_count(); @@ -1370,8 +1362,6 @@ impl DiagCtxtInner { { guaranteed = Some(ErrorGuaranteed::unchecked_claim_error_was_emitted()); } - } else { - self.bump_warn_count(); } }); @@ -1467,10 +1457,6 @@ impl DiagCtxtInner { self.panic_if_treat_err_as_bug(); } - fn bump_warn_count(&mut self) { - self.warn_count += 1; - } - fn panic_if_treat_err_as_bug(&self) { if self.treat_err_as_bug() { match ( @@ -1558,14 +1544,17 @@ pub enum Level { /// Its `EmissionGuarantee` is `ErrorGuaranteed`. Error, - /// A warning about the code being compiled. Does not prevent compilation from finishing. + /// A `force-warn` lint warning about the code being compiled. Does not prevent compilation + /// from finishing. /// - /// This [`LintExpectationId`] is used for expected lint diagnostics, which should - /// also emit a warning due to the `force-warn` flag. In all other cases this should - /// be `None`. + /// The [`LintExpectationId`] is used for expected lint diagnostics. In all other cases this + /// should be `None`. + ForceWarning(Option<LintExpectationId>), + + /// A warning about the code being compiled. Does not prevent compilation from finishing. /// /// Its `EmissionGuarantee` is `()`. - Warning(Option<LintExpectationId>), + Warning, /// A message giving additional context. Rare, because notes are more commonly attached to other /// diagnostics such as errors. @@ -1618,7 +1607,7 @@ impl Level { Bug | DelayedBug | Fatal | Error => { spec.set_fg(Some(Color::Red)).set_intense(true); } - Warning(_) => { + ForceWarning(_) | Warning => { spec.set_fg(Some(Color::Yellow)).set_intense(cfg!(windows)); } Note | OnceNote => { @@ -1637,7 +1626,7 @@ impl Level { match self { Bug | DelayedBug => "error: internal compiler error", Fatal | Error => "error", - Warning(_) => "warning", + ForceWarning(_) | Warning => "warning", Note | OnceNote => "note", Help | OnceHelp => "help", FailureNote => "failure-note", @@ -1651,7 +1640,7 @@ impl Level { pub fn get_expectation_id(&self) -> Option<LintExpectationId> { match self { - Expect(id) | Warning(Some(id)) => Some(*id), + Expect(id) | ForceWarning(Some(id)) => Some(*id), _ => None, } } diff --git a/compiler/rustc_expand/src/mbe/diagnostics.rs b/compiler/rustc_expand/src/mbe/diagnostics.rs index 2746e888b8d..eec86c36aed 100644 --- a/compiler/rustc_expand/src/mbe/diagnostics.rs +++ b/compiler/rustc_expand/src/mbe/diagnostics.rs @@ -180,7 +180,7 @@ impl<'a, 'cx, 'matcher> Tracker<'matcher> for CollectTrackerAndEmitter<'a, 'cx, } Error(err_sp, msg) => { let span = err_sp.substitute_dummy(self.root_span); - self.cx.dcx().struct_span_err(span, msg.clone()).emit(); + self.cx.dcx().span_err(span, msg.clone()); self.result = Some(DummyResult::any(span)); } ErrorReported(_) => self.result = Some(DummyResult::any(self.root_span)), diff --git a/compiler/rustc_expand/src/mbe/macro_parser.rs b/compiler/rustc_expand/src/mbe/macro_parser.rs index b86831b8222..ac5136539c3 100644 --- a/compiler/rustc_expand/src/mbe/macro_parser.rs +++ b/compiler/rustc_expand/src/mbe/macro_parser.rs @@ -680,7 +680,7 @@ impl TtParser { // edition-specific matching behavior for non-terminals. let nt = match parser.to_mut().parse_nonterminal(kind) { Err(err) => { - let guarantee = err.span_label_mv( + let guarantee = err.with_span_label( span, format!( "while parsing argument for this `{kind}` macro fragment" diff --git a/compiler/rustc_expand/src/mbe/macro_rules.rs b/compiler/rustc_expand/src/mbe/macro_rules.rs index 68296700987..a56c980791a 100644 --- a/compiler/rustc_expand/src/mbe/macro_rules.rs +++ b/compiler/rustc_expand/src/mbe/macro_rules.rs @@ -458,7 +458,7 @@ pub fn compile_declarative_macro( return dummy_syn_ext(); } Error(sp, msg) => { - sess.dcx().struct_span_err(sp.substitute_dummy(def.span), msg).emit(); + sess.dcx().span_err(sp.substitute_dummy(def.span), msg); return dummy_syn_ext(); } ErrorReported(_) => { diff --git a/compiler/rustc_expand/src/mbe/quoted.rs b/compiler/rustc_expand/src/mbe/quoted.rs index c3e4f40c166..889f43ed203 100644 --- a/compiler/rustc_expand/src/mbe/quoted.rs +++ b/compiler/rustc_expand/src/mbe/quoted.rs @@ -86,7 +86,7 @@ pub(super) fn parse( ); sess.dcx .struct_span_err(span, msg) - .help_mv(VALID_FRAGMENT_NAMES_MSG) + .with_help(VALID_FRAGMENT_NAMES_MSG) .emit(); token::NonterminalKind::Ident }, diff --git a/compiler/rustc_expand/src/proc_macro_server.rs b/compiler/rustc_expand/src/proc_macro_server.rs index 0053f550318..6392894fea2 100644 --- a/compiler/rustc_expand/src/proc_macro_server.rs +++ b/compiler/rustc_expand/src/proc_macro_server.rs @@ -380,7 +380,7 @@ impl ToInternal<rustc_errors::Level> for Level { fn to_internal(self) -> rustc_errors::Level { match self { Level::Error => rustc_errors::Level::Error, - Level::Warning => rustc_errors::Level::Warning(None), + Level::Warning => rustc_errors::Level::Warning, Level::Note => rustc_errors::Level::Note, Level::Help => rustc_errors::Level::Help, _ => unreachable!("unknown proc_macro::Level variant: {:?}", self), diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs index 082658a3a3b..58ac9668da5 100644 --- a/compiler/rustc_hir/src/hir.rs +++ b/compiler/rustc_hir/src/hir.rs @@ -2405,6 +2405,39 @@ impl<'hir> Ty<'hir> { my_visitor.visit_ty(self); my_visitor.0 } + + /// Whether `ty` is a type with `_` placeholders that can be inferred. Used in diagnostics only to + /// use inference to provide suggestions for the appropriate type if possible. + pub fn is_suggestable_infer_ty(&self) -> bool { + fn are_suggestable_generic_args(generic_args: &[GenericArg<'_>]) -> bool { + generic_args.iter().any(|arg| match arg { + GenericArg::Type(ty) => ty.is_suggestable_infer_ty(), + GenericArg::Infer(_) => true, + _ => false, + }) + } + debug!(?self); + match &self.kind { + TyKind::Infer => true, + TyKind::Slice(ty) => ty.is_suggestable_infer_ty(), + TyKind::Array(ty, length) => { + ty.is_suggestable_infer_ty() || matches!(length, ArrayLen::Infer(_, _)) + } + TyKind::Tup(tys) => tys.iter().any(Self::is_suggestable_infer_ty), + TyKind::Ptr(mut_ty) | TyKind::Ref(_, mut_ty) => mut_ty.ty.is_suggestable_infer_ty(), + TyKind::OpaqueDef(_, generic_args, _) => are_suggestable_generic_args(generic_args), + TyKind::Path(QPath::TypeRelative(ty, segment)) => { + ty.is_suggestable_infer_ty() || are_suggestable_generic_args(segment.args().args) + } + TyKind::Path(QPath::Resolved(ty_opt, Path { segments, .. })) => { + ty_opt.is_some_and(Self::is_suggestable_infer_ty) + || segments + .iter() + .any(|segment| are_suggestable_generic_args(segment.args().args)) + } + _ => false, + } + } } /// Not represented directly in the AST; referred to by name through a `ty_path`. @@ -2735,7 +2768,7 @@ pub enum FnRetTy<'hir> { Return(&'hir Ty<'hir>), } -impl FnRetTy<'_> { +impl<'hir> FnRetTy<'hir> { #[inline] pub fn span(&self) -> Span { match *self { @@ -2743,6 +2776,15 @@ impl FnRetTy<'_> { Self::Return(ref ty) => ty.span, } } + + pub fn get_infer_ret_ty(&self) -> Option<&'hir Ty<'hir>> { + if let Self::Return(ty) = self { + if ty.is_suggestable_infer_ty() { + return Some(*ty); + } + } + None + } } /// Represents `for<...>` binder before a closure diff --git a/compiler/rustc_hir_analysis/src/astconv/bounds.rs b/compiler/rustc_hir_analysis/src/astconv/bounds.rs index 38184a5dd18..1f88aaa6a4b 100644 --- a/compiler/rustc_hir_analysis/src/astconv/bounds.rs +++ b/compiler/rustc_hir_analysis/src/astconv/bounds.rs @@ -1,5 +1,5 @@ use rustc_data_structures::fx::FxHashMap; -use rustc_errors::struct_span_err; +use rustc_errors::struct_span_code_err; use rustc_hir as hir; use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::{DefId, LocalDefId}; @@ -305,7 +305,7 @@ impl<'tcx> dyn AstConv<'tcx> + '_ { binding.span, format!("{} `{}` is private", assoc_item.kind, binding.item_name), ) - .span_label_mv(binding.span, format!("private {}", assoc_item.kind)) + .with_span_label(binding.span, format!("private {}", assoc_item.kind)) .emit(); } tcx.check_stability(assoc_item.def_id, Some(hir_ref_id), binding.span, None); @@ -462,7 +462,7 @@ impl<'tcx> dyn AstConv<'tcx> + '_ { late_bound_in_trait_ref, late_bound_in_ty, |br_name| { - struct_span_err!( + struct_span_code_err!( tcx.dcx(), binding.span, E0582, diff --git a/compiler/rustc_hir_analysis/src/astconv/errors.rs b/compiler/rustc_hir_analysis/src/astconv/errors.rs index 24b55461a42..fc2ed104b3d 100644 --- a/compiler/rustc_hir_analysis/src/astconv/errors.rs +++ b/compiler/rustc_hir_analysis/src/astconv/errors.rs @@ -7,7 +7,7 @@ use crate::fluent_generated as fluent; use crate::traits::error_reporting::report_object_safety_error; use rustc_data_structures::fx::{FxHashMap, FxIndexMap, FxIndexSet}; use rustc_data_structures::unord::UnordMap; -use rustc_errors::{pluralize, struct_span_err, Applicability, Diagnostic, ErrorGuaranteed}; +use rustc_errors::{pluralize, struct_span_code_err, Applicability, Diagnostic, ErrorGuaranteed}; use rustc_hir as hir; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_infer::traits::FulfillmentError; @@ -346,7 +346,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { candidates: Vec<DefId>, span: Span, ) -> ErrorGuaranteed { - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( self.tcx().dcx(), name.span, E0034, @@ -445,7 +445,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { String::new() }; - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( tcx.dcx(), name.span, E0220, @@ -697,7 +697,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { let names = names.join(", "); trait_bound_spans.sort(); - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( tcx.dcx(), trait_bound_spans, E0191, diff --git a/compiler/rustc_hir_analysis/src/astconv/generics.rs b/compiler/rustc_hir_analysis/src/astconv/generics.rs index adc6a9de808..e2cd4d5f21c 100644 --- a/compiler/rustc_hir_analysis/src/astconv/generics.rs +++ b/compiler/rustc_hir_analysis/src/astconv/generics.rs @@ -5,7 +5,7 @@ use crate::astconv::{ }; use crate::structured_errors::{GenericArgsInfo, StructuredDiagnostic, WrongNumberOfGenericArgs}; use rustc_ast::ast::ParamKindOrd; -use rustc_errors::{struct_span_err, Applicability, Diagnostic, ErrorGuaranteed, MultiSpan}; +use rustc_errors::{struct_span_code_err, Applicability, Diagnostic, ErrorGuaranteed, MultiSpan}; use rustc_hir as hir; use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::DefId; @@ -27,7 +27,7 @@ fn generic_arg_mismatch_err( help: Option<String>, ) -> ErrorGuaranteed { let sess = tcx.sess; - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( tcx.dcx(), arg.span(), E0747, @@ -70,7 +70,7 @@ fn generic_arg_mismatch_err( Res::Err => { add_braces_suggestion(arg, &mut err); return err - .primary_message_mv("unresolved item provided when a constant was expected") + .with_primary_message("unresolved item provided when a constant was expected") .emit(); } Res::Def(DefKind::TyParam, src_def_id) => { @@ -650,8 +650,8 @@ pub(crate) fn prohibit_explicit_late_bound_lifetimes( if position == GenericArgPosition::Value && args.num_lifetime_params() != param_counts.lifetimes { - struct_span_err!(tcx.dcx(), span, E0794, "{}", msg) - .span_note_mv(span_late, note) + struct_span_code_err!(tcx.dcx(), span, E0794, "{}", msg) + .with_span_note(span_late, note) .emit(); } else { let mut multispan = MultiSpan::from_span(span); diff --git a/compiler/rustc_hir_analysis/src/astconv/lint.rs b/compiler/rustc_hir_analysis/src/astconv/lint.rs index 6675f517cfa..3761d529517 100644 --- a/compiler/rustc_hir_analysis/src/astconv/lint.rs +++ b/compiler/rustc_hir_analysis/src/astconv/lint.rs @@ -213,7 +213,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { let msg = "trait objects must include the `dyn` keyword"; let label = "add `dyn` keyword before this trait"; let mut diag = - rustc_errors::struct_span_err!(tcx.dcx(), self_ty.span, E0782, "{}", msg); + rustc_errors::struct_span_code_err!(tcx.dcx(), self_ty.span, E0782, "{}", msg); if self_ty.span.can_be_used_for_suggestions() && !self.maybe_lint_impl_trait(self_ty, &mut diag) { diff --git a/compiler/rustc_hir_analysis/src/astconv/mod.rs b/compiler/rustc_hir_analysis/src/astconv/mod.rs index cdfb4c6389e..1f47564649e 100644 --- a/compiler/rustc_hir_analysis/src/astconv/mod.rs +++ b/compiler/rustc_hir_analysis/src/astconv/mod.rs @@ -18,8 +18,8 @@ use crate::require_c_abi_if_c_variadic; use rustc_ast::TraitObjectSyntax; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_errors::{ - error_code, struct_span_err, Applicability, Diagnostic, DiagnosticBuilder, ErrorGuaranteed, - FatalError, MultiSpan, + error_code, struct_span_code_err, Applicability, Diagnostic, DiagnosticBuilder, + ErrorGuaranteed, FatalError, MultiSpan, }; use rustc_hir as hir; use rustc_hir::def::{CtorOf, DefKind, Namespace, Res}; @@ -866,7 +866,8 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { traits: &[String], name: Symbol, ) -> ErrorGuaranteed { - let mut err = struct_span_err!(self.tcx().dcx(), span, E0223, "ambiguous associated type"); + let mut err = + struct_span_code_err!(self.tcx().dcx(), span, E0223, "ambiguous associated type"); if self .tcx() .resolutions(()) @@ -1313,7 +1314,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { let msg = format!("expected type, found variant `{assoc_ident}`"); tcx.dcx().span_err(span, msg) } else if qself_ty.is_enum() { - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( tcx.dcx(), assoc_ident.span, E0599, @@ -1354,7 +1355,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { reported } else if let ty::Alias(ty::Opaque, alias_ty) = qself_ty.kind() { // `<impl Trait as OtherTrait>::Assoc` makes no sense. - struct_span_err!( + struct_span_code_err!( tcx.dcx(), tcx.def_span(alias_ty.def_id), E0667, @@ -1617,9 +1618,9 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { let def_span = tcx.def_span(item); tcx.dcx() .struct_span_err(span, msg) - .code_mv(rustc_errors::error_code!(E0624)) - .span_label_mv(span, format!("private {kind}")) - .span_label_mv(def_span, format!("{kind} defined here")) + .with_code(rustc_errors::error_code!(E0624)) + .with_span_label(span, format!("private {kind}")) + .with_span_label(def_span, format!("{kind} defined here")) .emit(); } tcx.check_stability(item, Some(block), span, None); @@ -1850,7 +1851,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { }; let last_span = *arg_spans.last().unwrap(); let span: MultiSpan = arg_spans.into(); - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( self.tcx().dcx(), span, E0109, @@ -2601,7 +2602,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { let late_bound_in_ret = tcx.collect_referenced_late_bound_regions(&output); self.validate_late_bound_regions(late_bound_in_args, late_bound_in_ret, |br_name| { - struct_span_err!( + struct_span_code_err!( tcx.dcx(), decl.output.span(), E0581, diff --git a/compiler/rustc_hir_analysis/src/astconv/object_safety.rs b/compiler/rustc_hir_analysis/src/astconv/object_safety.rs index 703e0bdc40e..ea2f5f50b5c 100644 --- a/compiler/rustc_hir_analysis/src/astconv/object_safety.rs +++ b/compiler/rustc_hir_analysis/src/astconv/object_safety.rs @@ -2,7 +2,7 @@ use crate::astconv::{GenericArgCountMismatch, GenericArgCountResult, OnlySelfBou use crate::bounds::Bounds; use crate::errors::TraitObjectDeclaredWithNoTraits; use rustc_data_structures::fx::{FxHashSet, FxIndexMap, FxIndexSet}; -use rustc_errors::struct_span_err; +use rustc_errors::struct_span_code_err; use rustc_hir as hir; use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::DefId; @@ -89,7 +89,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { if regular_traits.len() > 1 { let first_trait = ®ular_traits[0]; let additional_trait = ®ular_traits[1]; - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( tcx.dcx(), additional_trait.bottom().1, E0225, @@ -290,7 +290,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { if references_self { let def_id = i.bottom().0.def_id(); - struct_span_err!( + struct_span_code_err!( tcx.dcx(), i.bottom().1, E0038, @@ -298,7 +298,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { tcx.def_descr(def_id), tcx.item_name(def_id), ) - .note_mv( + .with_note( rustc_middle::traits::ObjectSafetyViolation::SupertraitSelf(smallvec![]) .error_msg(), ) @@ -375,7 +375,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { self.ast_region_to_region(lifetime, None) } else { self.re_infer(None, span).unwrap_or_else(|| { - let err = struct_span_err!( + let err = struct_span_code_err!( tcx.dcx(), span, E0228, diff --git a/compiler/rustc_hir_analysis/src/check/check.rs b/compiler/rustc_hir_analysis/src/check/check.rs index 7f23c04ce2d..6265ddafef0 100644 --- a/compiler/rustc_hir_analysis/src/check/check.rs +++ b/compiler/rustc_hir_analysis/src/check/check.rs @@ -37,7 +37,7 @@ pub fn check_abi(tcx: TyCtxt<'_>, hir_id: hir::HirId, span: Span, abi: Abi) { match tcx.sess.target.is_abi_supported(abi) { Some(true) => (), Some(false) => { - struct_span_err!( + struct_span_code_err!( tcx.dcx(), span, E0570, @@ -58,7 +58,7 @@ pub fn check_abi(tcx: TyCtxt<'_>, hir_id: hir::HirId, span: Span, abi: Abi) { // This ABI is only allowed on function pointers if abi == Abi::CCmseNonSecureCall { - struct_span_err!( + struct_span_code_err!( tcx.dcx(), span, E0781, @@ -560,14 +560,14 @@ pub(crate) fn check_item_type(tcx: TyCtxt<'_>, def_id: LocalDefId) { (0, _) => ("const", "consts", None), _ => ("type or const", "types or consts", None), }; - struct_span_err!( + struct_span_code_err!( tcx.dcx(), item.span, E0044, "foreign items may not have {kinds} parameters", ) - .span_label_mv(item.span, format!("can't have {kinds} parameters")) - .help_mv( + .with_span_label(item.span, format!("can't have {kinds} parameters")) + .with_help( // FIXME: once we start storing spans for type arguments, turn this // into a suggestion. format!( @@ -659,10 +659,7 @@ pub(super) fn check_specialization_validity<'tcx>( if !tcx.is_impl_trait_in_trait(impl_item) { report_forbidden_specialization(tcx, impl_item, parent_impl); } else { - tcx.dcx().span_delayed_bug( - DUMMY_SP, - format!("parent item: {parent_impl:?} not marked as default"), - ); + tcx.dcx().delayed_bug(format!("parent item: {parent_impl:?} not marked as default")); } } } @@ -687,7 +684,7 @@ fn check_impl_items_against_trait<'tcx>( ty::ImplPolarity::Negative => { if let [first_item_ref, ..] = impl_item_refs { let first_item_span = tcx.def_span(first_item_ref); - struct_span_err!( + struct_span_code_err!( tcx.dcx(), first_item_span, E0749, @@ -804,10 +801,9 @@ fn check_impl_items_against_trait<'tcx>( }; tcx.dcx() .struct_span_err(tcx.def_span(def_id), msg) - .note_mv(format!( - "specialization behaves in inconsistent and \ - surprising ways with {feature}, \ - and for now is disallowed" + .with_note(format!( + "specialization behaves in inconsistent and surprising ways with \ + {feature}, and for now is disallowed" )) .emit(); } @@ -840,13 +836,13 @@ pub fn check_simd(tcx: TyCtxt<'_>, sp: Span, def_id: LocalDefId) { { let fields = &def.non_enum_variant().fields; if fields.is_empty() { - struct_span_err!(tcx.dcx(), sp, E0075, "SIMD vector cannot be empty").emit(); + struct_span_code_err!(tcx.dcx(), sp, E0075, "SIMD vector cannot be empty").emit(); return; } let e = fields[FieldIdx::from_u32(0)].ty(tcx, args); if !fields.iter().all(|f| f.ty(tcx, args) == e) { - struct_span_err!(tcx.dcx(), sp, E0076, "SIMD vector should be homogeneous") - .span_label_mv(sp, "SIMD elements must have the same type") + struct_span_code_err!(tcx.dcx(), sp, E0076, "SIMD vector should be homogeneous") + .with_span_label(sp, "SIMD elements must have the same type") .emit(); return; } @@ -858,10 +854,10 @@ pub fn check_simd(tcx: TyCtxt<'_>, sp: Span, def_id: LocalDefId) { }; if let Some(len) = len { if len == 0 { - struct_span_err!(tcx.dcx(), sp, E0075, "SIMD vector cannot be empty").emit(); + struct_span_code_err!(tcx.dcx(), sp, E0075, "SIMD vector cannot be empty").emit(); return; } else if len > MAX_SIMD_LANES { - struct_span_err!( + struct_span_code_err!( tcx.dcx(), sp, E0075, @@ -884,7 +880,7 @@ pub fn check_simd(tcx: TyCtxt<'_>, sp: Span, def_id: LocalDefId) { if matches!(t.kind(), ty::Int(_) | ty::Uint(_) | ty::Float(_) | ty::RawPtr(_)) => { /* struct([f32; 4]) is ok */ } _ => { - struct_span_err!( + struct_span_code_err!( tcx.dcx(), sp, E0077, @@ -907,7 +903,7 @@ pub(super) fn check_packed(tcx: TyCtxt<'_>, sp: Span, def: ty::AdtDef<'_>) { && let Some(repr_pack) = repr.pack && pack as u64 != repr_pack.bytes() { - struct_span_err!( + struct_span_code_err!( tcx.dcx(), sp, E0634, @@ -918,7 +914,7 @@ pub(super) fn check_packed(tcx: TyCtxt<'_>, sp: Span, def: ty::AdtDef<'_>) { } } if repr.align.is_some() { - struct_span_err!( + struct_span_code_err!( tcx.dcx(), sp, E0587, @@ -927,7 +923,7 @@ pub(super) fn check_packed(tcx: TyCtxt<'_>, sp: Span, def: ty::AdtDef<'_>) { .emit(); } else { if let Some(def_spans) = check_packed_inner(tcx, def.did(), &mut vec![]) { - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( tcx.dcx(), sp, E0588, @@ -1117,13 +1113,13 @@ fn check_enum(tcx: TyCtxt<'_>, def_id: LocalDefId) { if def.variants().is_empty() { if let Some(attr) = tcx.get_attrs(def_id, sym::repr).next() { - struct_span_err!( + struct_span_code_err!( tcx.dcx(), attr.span, E0084, "unsupported representation for zero-variant enum" ) - .span_label_mv(tcx.def_span(def_id), "zero-variant enum") + .with_span_label(tcx.def_span(def_id), "zero-variant enum") .emit(); } } @@ -1156,7 +1152,7 @@ fn check_enum(tcx: TyCtxt<'_>, def_id: LocalDefId) { let disr_non_unit = def.variants().iter().any(|var| !is_unit(var) && has_disr(var)); if disr_non_unit || (disr_units && has_non_units) { - struct_span_err!( + struct_span_code_err!( tcx.dcx(), tcx.def_span(def_id), E0732, @@ -1242,7 +1238,7 @@ fn detect_discriminant_duplicate<'tcx>(tcx: TyCtxt<'tcx>, adt: ty::AdtDef<'tcx>) if discrs[i].1.val == discrs[o].1.val { let err = error.get_or_insert_with(|| { - let mut ret = struct_span_err!( + let mut ret = struct_span_code_err!( tcx.dcx(), tcx.def_span(adt.did()), E0081, @@ -1309,9 +1305,15 @@ pub(super) fn check_type_params_are_used<'tcx>( && let ty::GenericParamDefKind::Type { .. } = param.kind { let span = tcx.def_span(param.def_id); - struct_span_err!(tcx.dcx(), span, E0091, "type parameter `{}` is unused", param.name,) - .span_label_mv(span, "unused type parameter") - .emit(); + struct_span_code_err!( + tcx.dcx(), + span, + E0091, + "type parameter `{}` is unused", + param.name, + ) + .with_span_label(span, "unused type parameter") + .emit(); } } } @@ -1329,7 +1331,7 @@ fn opaque_type_cycle_error( opaque_def_id: LocalDefId, span: Span, ) -> ErrorGuaranteed { - let mut err = struct_span_err!(tcx.dcx(), span, E0720, "cannot resolve opaque type"); + let mut err = struct_span_code_err!(tcx.dcx(), span, E0720, "cannot resolve opaque type"); let mut label = false; if let Some((def_id, visitor)) = get_owner_return_paths(tcx, opaque_def_id) { diff --git a/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs b/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs index 46b5c1a94de..469e7a6a13c 100644 --- a/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs +++ b/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs @@ -2,7 +2,7 @@ use super::potentially_plural_count; use crate::errors::LifetimesOrBoundsMismatchOnTrait; use hir::def_id::{DefId, DefIdMap, LocalDefId}; use rustc_data_structures::fx::{FxHashMap, FxHashSet, FxIndexSet}; -use rustc_errors::{pluralize, struct_span_err, Applicability, DiagnosticId, ErrorGuaranteed}; +use rustc_errors::{pluralize, struct_span_code_err, Applicability, DiagnosticId, ErrorGuaranteed}; use rustc_hir as hir; use rustc_hir::def::{DefKind, Res}; use rustc_hir::intravisit; @@ -19,7 +19,7 @@ use rustc_middle::ty::{ self, GenericArgs, Ty, TypeFoldable, TypeFolder, TypeSuperFoldable, TypeVisitableExt, }; use rustc_middle::ty::{GenericParamDefKind, TyCtxt}; -use rustc_span::{Span, DUMMY_SP}; +use rustc_span::Span; use rustc_trait_selection::traits::error_reporting::TypeErrCtxtExt; use rustc_trait_selection::traits::outlives_bounds::InferCtxtExt as _; use rustc_trait_selection::traits::{ @@ -625,7 +625,7 @@ pub(super) fn collect_return_position_impl_trait_in_trait_tys<'tcx>( match ocx.eq(&cause, param_env, trait_return_ty, impl_return_ty) { Ok(()) => {} Err(terr) => { - let mut diag = struct_span_err!( + let mut diag = struct_span_code_err!( tcx.dcx(), cause.span(), E0053, @@ -934,17 +934,15 @@ impl<'tcx> ty::FallibleTypeFolder<TyCtxt<'tcx>> for RemapHiddenTyRegions<'tcx> { return_span, "return type captures more lifetimes than trait definition", ) - .span_label_mv(self.tcx.def_span(def_id), "this lifetime was captured") - .span_note_mv( + .with_span_label(self.tcx.def_span(def_id), "this lifetime was captured") + .with_span_note( self.tcx.def_span(self.def_id), "hidden type must only reference lifetimes captured by this impl trait", ) - .note_mv(format!("hidden type inferred to be `{}`", self.ty)) + .with_note(format!("hidden type inferred to be `{}`", self.ty)) .emit() } - _ => { - self.tcx.dcx().span_delayed_bug(DUMMY_SP, "should've been able to remap region") - } + _ => self.tcx.dcx().delayed_bug("should've been able to remap region"), }; return Err(guar); }; @@ -972,7 +970,7 @@ fn report_trait_method_mismatch<'tcx>( let (impl_err_span, trait_err_span) = extract_spans_for_error_reporting(infcx, terr, &cause, impl_m, trait_m); - let mut diag = struct_span_err!( + let mut diag = struct_span_code_err!( tcx.dcx(), impl_err_span, E0053, @@ -1217,7 +1215,7 @@ fn compare_self_type<'tcx>( (false, true) => { let self_descr = self_string(impl_m); let impl_m_span = tcx.def_span(impl_m.def_id); - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( tcx.dcx(), impl_m_span, E0185, @@ -1237,7 +1235,7 @@ fn compare_self_type<'tcx>( (true, false) => { let self_descr = self_string(trait_m); let impl_m_span = tcx.def_span(impl_m.def_id); - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( tcx.dcx(), impl_m_span, E0186, @@ -1303,8 +1301,7 @@ fn compare_number_of_generics<'tcx>( // inheriting the generics from will also have mismatched arguments, and // we'll report an error for that instead. Delay a bug for safety, though. if trait_.is_impl_trait_in_trait() { - return Err(tcx.dcx().span_delayed_bug( - rustc_span::DUMMY_SP, + return Err(tcx.dcx().delayed_bug( "errors comparing numbers of generics of trait/impl functions were not emitted", )); } @@ -1463,7 +1460,7 @@ fn compare_number_of_method_arguments<'tcx>( }) .unwrap_or_else(|| tcx.def_span(impl_m.def_id)); - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( tcx.dcx(), impl_span, E0050, @@ -1530,7 +1527,7 @@ fn compare_synthetic_generics<'tcx>( let impl_def_id = impl_def_id.expect_local(); let impl_span = tcx.def_span(impl_def_id); let trait_span = tcx.def_span(trait_def_id); - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( tcx.dcx(), impl_span, E0643, @@ -1689,7 +1686,7 @@ fn compare_generic_param_kinds<'tcx>( let param_impl_span = tcx.def_span(param_impl.def_id); let param_trait_span = tcx.def_span(param_trait.def_id); - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( tcx.dcx(), param_impl_span, E0053, @@ -1836,7 +1833,7 @@ fn compare_const_predicate_entailment<'tcx>( let (ty, _) = tcx.hir().expect_impl_item(impl_ct_def_id).expect_const(); cause.span = ty.span; - let mut diag = struct_span_err!( + let mut diag = struct_span_code_err!( tcx.dcx(), cause.span, E0326, diff --git a/compiler/rustc_hir_analysis/src/check/compare_impl_item/refine.rs b/compiler/rustc_hir_analysis/src/check/compare_impl_item/refine.rs index fd1571426c8..f7fc0c81b95 100644 --- a/compiler/rustc_hir_analysis/src/check/compare_impl_item/refine.rs +++ b/compiler/rustc_hir_analysis/src/check/compare_impl_item/refine.rs @@ -7,7 +7,7 @@ use rustc_middle::traits::{ObligationCause, Reveal}; use rustc_middle::ty::{ self, Ty, TyCtxt, TypeFoldable, TypeFolder, TypeSuperVisitable, TypeVisitable, TypeVisitor, }; -use rustc_span::{Span, DUMMY_SP}; +use rustc_span::Span; use rustc_trait_selection::traits::{ elaborate, normalize_param_env_or_error, outlives_bounds::InferCtxtExt, ObligationCtxt, }; @@ -153,10 +153,7 @@ pub(super) fn check_refining_return_position_impl_trait_in_trait<'tcx>( trait_m_sig.inputs_and_output, )); if !ocx.select_all_or_error().is_empty() { - tcx.dcx().span_delayed_bug( - DUMMY_SP, - "encountered errors when checking RPITIT refinement (selection)", - ); + tcx.dcx().delayed_bug("encountered errors when checking RPITIT refinement (selection)"); return; } let outlives_env = OutlivesEnvironment::with_bounds( @@ -165,18 +162,12 @@ pub(super) fn check_refining_return_position_impl_trait_in_trait<'tcx>( ); let errors = infcx.resolve_regions(&outlives_env); if !errors.is_empty() { - tcx.dcx().span_delayed_bug( - DUMMY_SP, - "encountered errors when checking RPITIT refinement (regions)", - ); + tcx.dcx().delayed_bug("encountered errors when checking RPITIT refinement (regions)"); return; } // Resolve any lifetime variables that may have been introduced during normalization. let Ok((trait_bounds, impl_bounds)) = infcx.fully_resolve((trait_bounds, impl_bounds)) else { - tcx.dcx().span_delayed_bug( - DUMMY_SP, - "encountered errors when checking RPITIT refinement (resolution)", - ); + tcx.dcx().delayed_bug("encountered errors when checking RPITIT refinement (resolution)"); return; }; diff --git a/compiler/rustc_hir_analysis/src/check/dropck.rs b/compiler/rustc_hir_analysis/src/check/dropck.rs index ff78d040aca..3275a81c3dd 100644 --- a/compiler/rustc_hir_analysis/src/check/dropck.rs +++ b/compiler/rustc_hir_analysis/src/check/dropck.rs @@ -2,7 +2,7 @@ // // We don't do any drop checking during hir typeck. use rustc_data_structures::fx::FxHashSet; -use rustc_errors::{struct_span_err, ErrorGuaranteed}; +use rustc_errors::{struct_span_code_err, ErrorGuaranteed}; use rustc_infer::infer::outlives::env::OutlivesEnvironment; use rustc_infer::infer::{RegionResolutionError, TyCtxtInferExt}; use rustc_middle::ty::util::CheckRegions; @@ -88,8 +88,12 @@ fn ensure_drop_params_and_item_params_correspond<'tcx>( let drop_impl_span = tcx.def_span(drop_impl_did); let item_span = tcx.def_span(self_type_did); let self_descr = tcx.def_descr(self_type_did); - let mut err = - struct_span_err!(tcx.dcx(), drop_impl_span, E0366, "`Drop` impls cannot be specialized"); + let mut err = struct_span_code_err!( + tcx.dcx(), + drop_impl_span, + E0366, + "`Drop` impls cannot be specialized" + ); match arg { ty::util::NotUniqueParam::DuplicateParam(arg) => { err.note(format!("`{arg}` is mentioned multiple times")) @@ -154,14 +158,14 @@ fn ensure_drop_predicates_are_implied_by_item_defn<'tcx>( let item_span = tcx.def_span(adt_def_id); let self_descr = tcx.def_descr(adt_def_id.to_def_id()); guar = Some( - struct_span_err!( + struct_span_code_err!( tcx.dcx(), error.root_obligation.cause.span, E0367, "`Drop` impl requires `{root_predicate}` \ but the {self_descr} it is implemented for does not", ) - .span_note_mv(item_span, "the implementor must specify the same requirement") + .with_span_note(item_span, "the implementor must specify the same requirement") .emit(), ); } @@ -186,14 +190,14 @@ fn ensure_drop_predicates_are_implied_by_item_defn<'tcx>( } }; guar = Some( - struct_span_err!( + struct_span_code_err!( tcx.dcx(), error.origin().span(), E0367, "`Drop` impl requires `{outlives}` \ but the {self_descr} it is implemented for does not", ) - .span_note_mv(item_span, "the implementor must specify the same requirement") + .with_span_note(item_span, "the implementor must specify the same requirement") .emit(), ); } diff --git a/compiler/rustc_hir_analysis/src/check/intrinsic.rs b/compiler/rustc_hir_analysis/src/check/intrinsic.rs index a5aedeb33ae..7c3e296dfce 100644 --- a/compiler/rustc_hir_analysis/src/check/intrinsic.rs +++ b/compiler/rustc_hir_analysis/src/check/intrinsic.rs @@ -8,7 +8,7 @@ use crate::errors::{ }; use hir::def_id::DefId; -use rustc_errors::{struct_span_err, DiagnosticMessage}; +use rustc_errors::{struct_span_code_err, DiagnosticMessage}; use rustc_hir as hir; use rustc_middle::traits::{ObligationCause, ObligationCauseCode}; use rustc_middle::ty::{self, Ty, TyCtxt}; @@ -29,8 +29,8 @@ fn equate_intrinsic_type<'tcx>( (own_counts, generics.span) } _ => { - struct_span_err!(tcx.dcx(), it.span, E0622, "intrinsic must be a function") - .span_label_mv(it.span, "expected a function") + struct_span_code_err!(tcx.dcx(), it.span, E0622, "intrinsic must be a function") + .with_span_label(it.span, "expected a function") .emit(); return; } @@ -552,7 +552,7 @@ pub fn check_platform_intrinsic_type(tcx: TyCtxt<'_>, it: &hir::ForeignItem<'_>) sym::simd_shuffle_generic => (2, 1, vec![param(0), param(0)], param(1)), _ => { let msg = format!("unrecognized platform-specific intrinsic function: `{name}`"); - tcx.dcx().struct_span_err(it.span, msg).emit(); + tcx.dcx().span_err(it.span, msg); return; } }; diff --git a/compiler/rustc_hir_analysis/src/check/intrinsicck.rs b/compiler/rustc_hir_analysis/src/check/intrinsicck.rs index 1979f52eda9..db619d5169e 100644 --- a/compiler/rustc_hir_analysis/src/check/intrinsicck.rs +++ b/compiler/rustc_hir_analysis/src/check/intrinsicck.rs @@ -4,7 +4,7 @@ use rustc_hir as hir; use rustc_middle::ty::{self, Article, FloatTy, IntTy, Ty, TyCtxt, TypeVisitableExt, UintTy}; use rustc_session::lint; use rustc_span::def_id::LocalDefId; -use rustc_span::{Symbol, DUMMY_SP}; +use rustc_span::Symbol; use rustc_target::abi::FieldIdx; use rustc_target::asm::{InlineAsmReg, InlineAsmRegClass, InlineAsmRegOrRegClass, InlineAsmType}; @@ -156,7 +156,7 @@ impl<'a, 'tcx> InlineAsmCtxt<'a, 'tcx> { self.tcx .dcx() .struct_span_err(expr.span, msg) - .note_mv( + .with_note( "only integers, floats, SIMD vectors, pointers and function pointers \ can be used as arguments for inline assembly", ) @@ -171,7 +171,7 @@ impl<'a, 'tcx> InlineAsmCtxt<'a, 'tcx> { self.tcx .dcx() .struct_span_err(expr.span, msg) - .note_mv(format!("`{ty}` does not implement the Copy trait")) + .with_note(format!("`{ty}` does not implement the Copy trait")) .emit(); } @@ -191,11 +191,11 @@ impl<'a, 'tcx> InlineAsmCtxt<'a, 'tcx> { self.tcx .dcx() .struct_span_err(vec![in_expr.span, expr.span], msg) - .span_label_mv(in_expr.span, format!("type `{in_expr_ty}`")) - .span_label_mv(expr.span, format!("type `{ty}`")) - .note_mv( + .with_span_label(in_expr.span, format!("type `{in_expr_ty}`")) + .with_span_label(expr.span, format!("type `{ty}`")) + .with_note( "asm inout arguments must have the same type, \ - unless they are both pointers or integers of the same size", + unless they are both pointers or integers of the same size", ) .emit(); } @@ -242,7 +242,7 @@ impl<'a, 'tcx> InlineAsmCtxt<'a, 'tcx> { self.tcx .dcx() .struct_span_err(expr.span, msg) - .note_mv(format!( + .with_note(format!( "this is required to use type `{}` with register class `{}`", ty, reg_class.name(), @@ -294,7 +294,7 @@ impl<'a, 'tcx> InlineAsmCtxt<'a, 'tcx> { pub fn check_asm(&self, asm: &hir::InlineAsm<'tcx>, enclosing_id: LocalDefId) { let target_features = self.tcx.asm_target_features(enclosing_id.to_def_id()); let Some(asm_arch) = self.tcx.sess.asm_arch else { - self.tcx.dcx().span_delayed_bug(DUMMY_SP, "target architecture does not support asm"); + self.tcx.dcx().delayed_bug("target architecture does not support asm"); return; }; for (idx, (op, op_sp)) in asm.operands.iter().enumerate() { @@ -325,7 +325,7 @@ impl<'a, 'tcx> InlineAsmCtxt<'a, 'tcx> { op.is_clobber(), ) { let msg = format!("cannot use register `{}`: {}", reg.name(), msg); - self.tcx.dcx().struct_span_err(*op_sp, msg).emit(); + self.tcx.dcx().span_err(*op_sp, msg); continue; } } @@ -364,7 +364,7 @@ impl<'a, 'tcx> InlineAsmCtxt<'a, 'tcx> { reg_class.name(), feature ); - self.tcx.dcx().struct_span_err(*op_sp, msg).emit(); + self.tcx.dcx().span_err(*op_sp, msg); // register isn't enabled, don't do more checks continue; } @@ -378,7 +378,7 @@ impl<'a, 'tcx> InlineAsmCtxt<'a, 'tcx> { .intersperse(", ") .collect::<String>(), ); - self.tcx.dcx().struct_span_err(*op_sp, msg).emit(); + self.tcx.dcx().span_err(*op_sp, msg); // register isn't enabled, don't do more checks continue; } @@ -459,11 +459,11 @@ impl<'a, 'tcx> InlineAsmCtxt<'a, 'tcx> { self.tcx .dcx() .struct_span_err(*op_sp, "invalid `sym` operand") - .span_label_mv( + .with_span_label( self.tcx.def_span(anon_const.def_id), format!("is {} `{}`", ty.kind().article(), ty), ) - .help_mv( + .with_help( "`sym` operands must refer to either a function or a static", ) .emit(); diff --git a/compiler/rustc_hir_analysis/src/check/mod.rs b/compiler/rustc_hir_analysis/src/check/mod.rs index ac0c715c6b3..3b05eaedf34 100644 --- a/compiler/rustc_hir_analysis/src/check/mod.rs +++ b/compiler/rustc_hir_analysis/src/check/mod.rs @@ -78,7 +78,7 @@ use std::num::NonZeroU32; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_errors::ErrorGuaranteed; -use rustc_errors::{pluralize, struct_span_err, Diagnostic, DiagnosticBuilder}; +use rustc_errors::{pluralize, struct_span_code_err, Diagnostic, DiagnosticBuilder}; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_hir::intravisit::Visitor; use rustc_index::bit_set::BitSet; diff --git a/compiler/rustc_hir_analysis/src/check/wfcheck.rs b/compiler/rustc_hir_analysis/src/check/wfcheck.rs index 67ec2c3e5ea..59c72227144 100644 --- a/compiler/rustc_hir_analysis/src/check/wfcheck.rs +++ b/compiler/rustc_hir_analysis/src/check/wfcheck.rs @@ -3,7 +3,9 @@ use crate::constrained_generic_params::{identify_constrained_generic_params, Par use rustc_ast as ast; use rustc_data_structures::fx::{FxHashMap, FxHashSet, FxIndexSet}; -use rustc_errors::{pluralize, struct_span_err, Applicability, DiagnosticBuilder, ErrorGuaranteed}; +use rustc_errors::{ + pluralize, struct_span_code_err, Applicability, DiagnosticBuilder, ErrorGuaranteed, +}; use rustc_hir as hir; use rustc_hir::def_id::{DefId, LocalDefId, LocalModDefId}; use rustc_hir::lang_items::LangItem; @@ -200,8 +202,8 @@ fn check_item<'tcx>(tcx: TyCtxt<'tcx>, item: &'tcx hir::Item<'tcx>) -> Result<() res = Err(tcx .dcx() .struct_span_err(sp, "impls of auto traits cannot be default") - .span_labels_mv(impl_.defaultness_span, "default because of this") - .span_label_mv(sp, "auto trait") + .with_span_labels(impl_.defaultness_span, "default because of this") + .with_span_label(sp, "auto trait") .emit()); } // We match on both `ty::ImplPolarity` and `ast::ImplPolarity` just to get the `!` span. @@ -217,7 +219,7 @@ fn check_item<'tcx>(tcx: TyCtxt<'tcx>, item: &'tcx hir::Item<'tcx>) -> Result<() if let hir::Defaultness::Default { .. } = impl_.defaultness { let mut spans = vec![span]; spans.extend(impl_.defaultness_span); - res = Err(struct_span_err!( + res = Err(struct_span_code_err!( tcx.dcx(), spans, E0750, @@ -502,19 +504,18 @@ fn check_gat_where_clauses(tcx: TyCtxt<'_>, trait_def_id: LocalDefId) { gat_item_hir.span, format!("missing required bound{} on `{}`", plural, gat_item_hir.ident), ) - .span_suggestion_mv( + .with_span_suggestion( gat_item_hir.generics.tail_span_for_predicate_suggestion(), format!("add the required where clause{plural}"), suggestion, Applicability::MachineApplicable, ) - .note_mv(format!( + .with_note(format!( "{bound} currently required to ensure that impls have maximum flexibility" )) - .note_mv( + .with_note( "we are soliciting feedback, see issue #87479 \ - <https://github.com/rust-lang/rust/issues/87479> \ - for more information", + <https://github.com/rust-lang/rust/issues/87479> for more information", ) .emit(); } @@ -837,8 +838,8 @@ fn check_object_unsafe_self_trait_by_name(tcx: TyCtxt<'_>, item: &hir::TraitItem trait_should_be_self, "associated item referring to unboxed trait object for its own trait", ) - .span_label_mv(trait_name.span, "in this trait") - .multipart_suggestion_mv( + .with_span_label(trait_name.span, "in this trait") + .with_multipart_suggestion( "you might have meant to use `Self` to refer to the implementing type", sugg, Applicability::MachineApplicable, @@ -1116,7 +1117,7 @@ fn check_trait(tcx: TyCtxt<'_>, item: &hir::Item<'_>) -> Result<(), ErrorGuarant || matches!(trait_def.specialization_kind, TraitSpecializationKind::Marker) { for associated_def_id in &*tcx.associated_item_def_ids(def_id) { - struct_span_err!( + struct_span_code_err!( tcx.dcx(), tcx.def_span(*associated_def_id), E0714, @@ -1598,7 +1599,7 @@ fn check_method_receiver<'tcx>( the `arbitrary_self_types` feature", ), ) - .help_mv(HELP_FOR_SELF_TYPE) + .with_help(HELP_FOR_SELF_TYPE) .emit() } else { // Report error; would not have worked with `arbitrary_self_types`. @@ -1610,9 +1611,9 @@ fn check_method_receiver<'tcx>( } fn e0307(tcx: TyCtxt<'_>, span: Span, receiver_ty: Ty<'_>) -> ErrorGuaranteed { - struct_span_err!(tcx.dcx(), span, E0307, "invalid `self` parameter type: {receiver_ty}") - .note_mv("type of `self` must be `Self` or a type that dereferences to it") - .help_mv(HELP_FOR_SELF_TYPE) + struct_span_code_err!(tcx.dcx(), span, E0307, "invalid `self` parameter type: {receiver_ty}") + .with_note("type of `self` must be `Self` or a type that dereferences to it") + .with_help(HELP_FOR_SELF_TYPE) .emit() } @@ -1920,8 +1921,8 @@ fn check_mod_type_wf(tcx: TyCtxt<'_>, module: LocalModDefId) -> Result<(), Error } fn error_392(tcx: TyCtxt<'_>, span: Span, param_name: Symbol) -> DiagnosticBuilder<'_> { - struct_span_err!(tcx.dcx(), span, E0392, "parameter `{param_name}` is never used") - .span_label_mv(span, "unused parameter") + struct_span_code_err!(tcx.dcx(), span, E0392, "parameter `{param_name}` is never used") + .with_span_label(span, "unused parameter") } pub fn provide(providers: &mut Providers) { diff --git a/compiler/rustc_hir_analysis/src/coherence/inherent_impls_overlap.rs b/compiler/rustc_hir_analysis/src/coherence/inherent_impls_overlap.rs index 8f54bf00528..4c3455c7240 100644 --- a/compiler/rustc_hir_analysis/src/coherence/inherent_impls_overlap.rs +++ b/compiler/rustc_hir_analysis/src/coherence/inherent_impls_overlap.rs @@ -1,5 +1,5 @@ use rustc_data_structures::fx::{FxHashMap, FxHashSet}; -use rustc_errors::struct_span_err; +use rustc_errors::struct_span_code_err; use rustc_hir as hir; use rustc_hir::def::DefKind; use rustc_hir::def_id::DefId; @@ -70,15 +70,15 @@ impl<'tcx> InherentOverlapChecker<'tcx> { match seen_items.entry(norm_ident) { Entry::Occupied(entry) => { let former = entry.get(); - struct_span_err!( + struct_span_code_err!( self.tcx.dcx(), span, E0592, "duplicate definitions with name `{}`", ident, ) - .span_label_mv(span, format!("duplicate definitions for `{ident}`")) - .span_label_mv(*former, format!("other definition for `{ident}`")) + .with_span_label(span, format!("duplicate definitions for `{ident}`")) + .with_span_label(*former, format!("other definition for `{ident}`")) .emit(); } Entry::Vacant(entry) => { @@ -104,7 +104,7 @@ impl<'tcx> InherentOverlapChecker<'tcx> { if let Some(item2) = collision { let name = item1.ident(self.tcx).normalize_to_macros_2_0(); - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( self.tcx.dcx(), self.tcx.def_span(item1.def_id), E0592, diff --git a/compiler/rustc_hir_analysis/src/coherence/mod.rs b/compiler/rustc_hir_analysis/src/coherence/mod.rs index 3d56f8fd44e..561a254e89e 100644 --- a/compiler/rustc_hir_analysis/src/coherence/mod.rs +++ b/compiler/rustc_hir_analysis/src/coherence/mod.rs @@ -6,7 +6,7 @@ // mappings. That mapping code resides here. use crate::errors; -use rustc_errors::{error_code, struct_span_err}; +use rustc_errors::{error_code, struct_span_code_err}; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_middle::query::Providers; use rustc_middle::ty::{self, TyCtxt, TypeVisitableExt}; @@ -45,7 +45,7 @@ fn enforce_trait_manually_implementable( // Disallow *all* explicit impls of traits marked `#[rustc_deny_explicit_impl]` if tcx.trait_def(trait_def_id).deny_explicit_impl { let trait_name = tcx.item_name(trait_def_id); - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( tcx.dcx(), impl_header_span, E0322, @@ -88,7 +88,7 @@ fn enforce_empty_impls_for_marker_traits( return; } - struct_span_err!( + struct_span_code_err!( tcx.dcx(), tcx.def_span(impl_def_id), E0715, @@ -173,7 +173,7 @@ fn check_object_overlap<'tcx>( let mut supertrait_def_ids = traits::supertrait_def_ids(tcx, component_def_id); if supertrait_def_ids.any(|d| d == trait_def_id) { let span = tcx.def_span(impl_def_id); - struct_span_err!( + struct_span_code_err!( tcx.dcx(), span, E0371, @@ -181,7 +181,7 @@ fn check_object_overlap<'tcx>( trait_ref.self_ty(), tcx.def_path_str(trait_def_id) ) - .span_label_mv( + .with_span_label( span, format!( "`{}` automatically implements trait `{}`", diff --git a/compiler/rustc_hir_analysis/src/coherence/unsafety.rs b/compiler/rustc_hir_analysis/src/coherence/unsafety.rs index 272c13b4c1c..7b146573a1b 100644 --- a/compiler/rustc_hir_analysis/src/coherence/unsafety.rs +++ b/compiler/rustc_hir_analysis/src/coherence/unsafety.rs @@ -1,7 +1,7 @@ //! Unsafety checker: every impl either implements a trait defined in this //! crate or pertains to a type defined in this crate. -use rustc_errors::struct_span_err; +use rustc_errors::struct_span_code_err; use rustc_hir as hir; use rustc_hir::Unsafety; use rustc_middle::ty::TyCtxt; @@ -18,14 +18,14 @@ pub(super) fn check_item(tcx: TyCtxt<'_>, def_id: LocalDefId) { impl_.generics.params.iter().find(|p| p.pure_wrt_drop).map(|_| "may_dangle"); match (trait_def.unsafety, unsafe_attr, impl_.unsafety, impl_.polarity) { (Unsafety::Normal, None, Unsafety::Unsafe, hir::ImplPolarity::Positive) => { - struct_span_err!( + struct_span_code_err!( tcx.dcx(), tcx.def_span(def_id), E0199, "implementing the trait `{}` is not unsafe", trait_ref.print_trait_sugared() ) - .span_suggestion_verbose_mv( + .with_span_suggestion_verbose( item.span.with_hi(item.span.lo() + rustc_span::BytePos(7)), "remove `unsafe` from this trait implementation", "", @@ -35,20 +35,20 @@ pub(super) fn check_item(tcx: TyCtxt<'_>, def_id: LocalDefId) { } (Unsafety::Unsafe, _, Unsafety::Normal, hir::ImplPolarity::Positive) => { - struct_span_err!( + struct_span_code_err!( tcx.dcx(), tcx.def_span(def_id), E0200, "the trait `{}` requires an `unsafe impl` declaration", trait_ref.print_trait_sugared() ) - .note_mv(format!( + .with_note(format!( "the trait `{}` enforces invariants that the compiler can't check. \ Review the trait documentation and make sure this implementation \ upholds those invariants before adding the `unsafe` keyword", trait_ref.print_trait_sugared() )) - .span_suggestion_verbose_mv( + .with_span_suggestion_verbose( item.span.shrink_to_lo(), "add `unsafe` to this trait implementation", "unsafe ", @@ -58,20 +58,20 @@ pub(super) fn check_item(tcx: TyCtxt<'_>, def_id: LocalDefId) { } (Unsafety::Normal, Some(attr_name), Unsafety::Normal, hir::ImplPolarity::Positive) => { - struct_span_err!( + struct_span_code_err!( tcx.dcx(), tcx.def_span(def_id), E0569, "requires an `unsafe impl` declaration due to `#[{}]` attribute", attr_name ) - .note_mv(format!( + .with_note(format!( "the trait `{}` enforces invariants that the compiler can't check. \ Review the trait documentation and make sure this implementation \ upholds those invariants before adding the `unsafe` keyword", trait_ref.print_trait_sugared() )) - .span_suggestion_verbose_mv( + .with_span_suggestion_verbose( item.span.shrink_to_lo(), "add `unsafe` to this trait implementation", "unsafe ", diff --git a/compiler/rustc_hir_analysis/src/collect.rs b/compiler/rustc_hir_analysis/src/collect.rs index 0a13949a688..c9f89a0c3ef 100644 --- a/compiler/rustc_hir_analysis/src/collect.rs +++ b/compiler/rustc_hir_analysis/src/collect.rs @@ -642,7 +642,7 @@ fn convert_item(tcx: TyCtxt<'_>, item_id: hir::ItemId) { tcx.ensure().generics_of(def_id); tcx.ensure().type_of(def_id); tcx.ensure().predicates_of(def_id); - if !is_suggestable_infer_ty(ty) { + if !ty.is_suggestable_infer_ty() { let mut visitor = HirPlaceholderCollector::default(); visitor.visit_item(it); placeholder_type_error(tcx, None, visitor.0, false, None, it.kind.descr()); @@ -674,7 +674,7 @@ fn convert_trait_item(tcx: TyCtxt<'_>, trait_item_id: hir::TraitItemId) { hir::TraitItemKind::Const(ty, body_id) => { tcx.ensure().type_of(def_id); if !tcx.dcx().has_stashed_diagnostic(ty.span, StashKey::ItemNoType) - && !(is_suggestable_infer_ty(ty) && body_id.is_some()) + && !(ty.is_suggestable_infer_ty() && body_id.is_some()) { // Account for `const C: _;`. let mut visitor = HirPlaceholderCollector::default(); @@ -726,7 +726,7 @@ fn convert_impl_item(tcx: TyCtxt<'_>, impl_item_id: hir::ImplItemId) { } hir::ImplItemKind::Const(ty, _) => { // Account for `const T: _ = ..;` - if !is_suggestable_infer_ty(ty) { + if !ty.is_suggestable_infer_ty() { let mut visitor = HirPlaceholderCollector::default(); visitor.visit_impl_item(impl_item); placeholder_type_error(tcx, None, visitor.0, false, None, "associated constant"); @@ -1054,48 +1054,6 @@ fn trait_def(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::TraitDef { } } -fn are_suggestable_generic_args(generic_args: &[hir::GenericArg<'_>]) -> bool { - generic_args.iter().any(|arg| match arg { - hir::GenericArg::Type(ty) => is_suggestable_infer_ty(ty), - hir::GenericArg::Infer(_) => true, - _ => false, - }) -} - -/// Whether `ty` is a type with `_` placeholders that can be inferred. Used in diagnostics only to -/// use inference to provide suggestions for the appropriate type if possible. -fn is_suggestable_infer_ty(ty: &hir::Ty<'_>) -> bool { - debug!(?ty); - use hir::TyKind::*; - match &ty.kind { - Infer => true, - Slice(ty) => is_suggestable_infer_ty(ty), - Array(ty, length) => { - is_suggestable_infer_ty(ty) || matches!(length, hir::ArrayLen::Infer(_, _)) - } - Tup(tys) => tys.iter().any(is_suggestable_infer_ty), - Ptr(mut_ty) | Ref(_, mut_ty) => is_suggestable_infer_ty(mut_ty.ty), - OpaqueDef(_, generic_args, _) => are_suggestable_generic_args(generic_args), - Path(hir::QPath::TypeRelative(ty, segment)) => { - is_suggestable_infer_ty(ty) || are_suggestable_generic_args(segment.args().args) - } - Path(hir::QPath::Resolved(ty_opt, hir::Path { segments, .. })) => { - ty_opt.is_some_and(is_suggestable_infer_ty) - || segments.iter().any(|segment| are_suggestable_generic_args(segment.args().args)) - } - _ => false, - } -} - -pub fn get_infer_ret_ty<'hir>(output: &'hir hir::FnRetTy<'hir>) -> Option<&'hir hir::Ty<'hir>> { - if let hir::FnRetTy::Return(ty) = output { - if is_suggestable_infer_ty(ty) { - return Some(*ty); - } - } - None -} - #[instrument(level = "debug", skip(tcx))] fn fn_sig(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::EarlyBinder<ty::PolyFnSig<'_>> { use rustc_hir::Node::*; @@ -1188,7 +1146,7 @@ fn infer_return_ty_for_fn_sig<'tcx>( ) -> ty::PolyFnSig<'tcx> { let hir_id = tcx.local_def_id_to_hir_id(def_id); - match get_infer_ret_ty(&sig.decl.output) { + match sig.decl.output.get_infer_ret_ty() { Some(ty) => { let fn_sig = tcx.typeck(def_id).liberated_fn_sigs()[hir_id]; // Typeck doesn't expect erased regions to be returned from `type_of`. diff --git a/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs b/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs index 61bb4235139..3d8390d1946 100644 --- a/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs +++ b/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs @@ -8,7 +8,7 @@ use rustc_ast::walk_list; use rustc_data_structures::fx::{FxHashSet, FxIndexMap, FxIndexSet}; -use rustc_errors::struct_span_err; +use rustc_errors::struct_span_code_err; use rustc_hir as hir; use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::LocalDefId; @@ -22,7 +22,7 @@ use rustc_middle::ty::{self, TyCtxt, TypeSuperVisitable, TypeVisitor}; use rustc_session::lint; use rustc_span::def_id::DefId; use rustc_span::symbol::{sym, Ident}; -use rustc_span::{Span, DUMMY_SP}; +use rustc_span::Span; use std::fmt; use crate::errors; @@ -335,13 +335,10 @@ impl<'a, 'tcx> BoundVarContext<'a, 'tcx> { // though this may happen when we call `poly_trait_ref_binder_info` with // an (erroneous, #113423) associated return type bound in an impl header. if !supertrait_bound_vars.is_empty() { - self.tcx.dcx().span_delayed_bug( - DUMMY_SP, - format!( - "found supertrait lifetimes without a binder to append \ + self.tcx.dcx().delayed_bug(format!( + "found supertrait lifetimes without a binder to append \ them to: {supertrait_bound_vars:?}" - ), - ); + )); } break (vec![], BinderScopeType::Normal); } @@ -737,7 +734,7 @@ impl<'a, 'tcx> Visitor<'tcx> for BoundVarContext<'a, 'tcx> { // Ensure that the parent of the def is an item, not HRTB let parent_id = self.tcx.hir().parent_id(hir_id); if !parent_id.is_owner() { - struct_span_err!( + struct_span_code_err!( self.tcx.dcx(), lifetime.ident.span, E0657, @@ -754,7 +751,7 @@ impl<'a, 'tcx> Visitor<'tcx> for BoundVarContext<'a, 'tcx> { lifetime.ident.span, "higher kinded lifetime bounds on nested opaque types are not supported yet", ) - .span_note_mv(self.tcx.def_span(def_id), "lifetime declared here") + .with_span_note(self.tcx.def_span(def_id), "lifetime declared here") .emit(); self.uninsert_lifetime_on_error(lifetime, def.unwrap()); } diff --git a/compiler/rustc_hir_analysis/src/collect/type_of.rs b/compiler/rustc_hir_analysis/src/collect/type_of.rs index 55720e6d2aa..3ceea3dc7ae 100644 --- a/compiler/rustc_hir_analysis/src/collect/type_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/type_of.rs @@ -9,8 +9,8 @@ use rustc_middle::ty::{self, ImplTraitInTraitData, IsSuggestable, Ty, TyCtxt, Ty use rustc_span::symbol::Ident; use rustc_span::{Span, DUMMY_SP}; +use super::bad_placeholder; use super::ItemCtxt; -use super::{bad_placeholder, is_suggestable_infer_ty}; pub use opaque::test_opaque_hidden_types; mod opaque; @@ -368,7 +368,7 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::EarlyBinder<Ty } TraitItemKind::Const(ty, body_id) => body_id .and_then(|body_id| { - is_suggestable_infer_ty(ty).then(|| { + ty.is_suggestable_infer_ty().then(|| { infer_placeholder_type( tcx, def_id, @@ -392,7 +392,7 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::EarlyBinder<Ty Ty::new_fn_def(tcx, def_id.to_def_id(), args) } ImplItemKind::Const(ty, body_id) => { - if is_suggestable_infer_ty(ty) { + if ty.is_suggestable_infer_ty() { infer_placeholder_type( tcx, def_id, @@ -416,7 +416,7 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::EarlyBinder<Ty Node::Item(item) => match item.kind { ItemKind::Static(ty, .., body_id) => { - if is_suggestable_infer_ty(ty) { + if ty.is_suggestable_infer_ty() { infer_placeholder_type( tcx, def_id, @@ -430,7 +430,7 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::EarlyBinder<Ty } } ItemKind::Const(ty, _, body_id) => { - if is_suggestable_infer_ty(ty) { + if ty.is_suggestable_infer_ty() { infer_placeholder_type(tcx, def_id, body_id, ty.span, item.ident, "constant") } else { icx.to_ty(ty) @@ -603,6 +603,8 @@ fn infer_placeholder_type<'a>( } err.emit(); + // diagnostic stashing loses the information of whether something is a hard error. + Ty::new_error_with_message(tcx, span, "ItemNoType is a hard error") } None => { let mut diag = bad_placeholder(tcx, vec![span], kind); @@ -623,15 +625,9 @@ fn infer_placeholder_type<'a>( } } - diag.emit(); + Ty::new_error(tcx, diag.emit()) } } - - // Typeck doesn't expect erased regions to be returned from `type_of`. - tcx.fold_regions(ty, |r, _| match *r { - ty::ReErased => tcx.lifetimes.re_static, - _ => r, - }) } fn check_feature_inherent_assoc_ty(tcx: TyCtxt<'_>, span: Span) { diff --git a/compiler/rustc_hir_analysis/src/collect/type_of/opaque.rs b/compiler/rustc_hir_analysis/src/collect/type_of/opaque.rs index da7279967da..1f7ca48234a 100644 --- a/compiler/rustc_hir_analysis/src/collect/type_of/opaque.rs +++ b/compiler/rustc_hir_analysis/src/collect/type_of/opaque.rs @@ -134,6 +134,21 @@ impl TaitConstraintLocator<'_> { debug!("no constraint: no typeck results"); return; } + + if let Some(hir_sig) = self.tcx.hir_node_by_def_id(item_def_id).fn_decl() { + if hir_sig.output.get_infer_ret_ty().is_some() { + let guar = self.tcx.dcx().span_delayed_bug( + hir_sig.output.span(), + "inferring return types and opaque types do not mix well", + ); + self.found = Some(ty::OpaqueHiddenType { + span: DUMMY_SP, + ty: Ty::new_error(self.tcx, guar), + }); + return; + } + } + // Calling `mir_borrowck` can lead to cycle errors through // const-checking, avoid calling it if we don't have to. // ```rust diff --git a/compiler/rustc_hir_analysis/src/impl_wf_check.rs b/compiler/rustc_hir_analysis/src/impl_wf_check.rs index ff5fff9363f..3f9b1f384d7 100644 --- a/compiler/rustc_hir_analysis/src/impl_wf_check.rs +++ b/compiler/rustc_hir_analysis/src/impl_wf_check.rs @@ -12,7 +12,7 @@ use crate::constrained_generic_params as cgp; use min_specialization::check_min_specialization; use rustc_data_structures::fx::FxHashSet; -use rustc_errors::struct_span_err; +use rustc_errors::struct_span_code_err; use rustc_hir::def::DefKind; use rustc_hir::def_id::{LocalDefId, LocalModDefId}; use rustc_middle::query::Providers; @@ -170,7 +170,7 @@ fn enforce_impl_params_are_constrained(tcx: TyCtxt<'_>, impl_def_id: LocalDefId) } fn report_unused_parameter(tcx: TyCtxt<'_>, span: Span, kind: &str, name: Symbol) { - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( tcx.dcx(), span, E0207, diff --git a/compiler/rustc_hir_analysis/src/lib.rs b/compiler/rustc_hir_analysis/src/lib.rs index b9e7500c894..dfc54ac5b23 100644 --- a/compiler/rustc_hir_analysis/src/lib.rs +++ b/compiler/rustc_hir_analysis/src/lib.rs @@ -166,13 +166,12 @@ pub fn check_crate(tcx: TyCtxt<'_>) -> Result<(), ErrorGuaranteed> { // this ensures that later parts of type checking can assume that items // have valid types and not error - // FIXME(matthewjasper) We shouldn't need to use `track_errors`. - tcx.sess.track_errors(|| { - tcx.sess.time("type_collecting", || { - tcx.hir().for_each_module(|module| tcx.ensure().collect_mod_item_types(module)) - }); - })?; + tcx.sess.time("type_collecting", || { + tcx.hir().for_each_module(|module| tcx.ensure().collect_mod_item_types(module)) + }); + // FIXME(matthewjasper) We shouldn't need to use `track_errors` anywhere in this function + // or the compiler in general. if tcx.features().rustc_attrs { tcx.sess.track_errors(|| { tcx.sess.time("outlives_testing", || outlives::test::test_inferred_outlives(tcx)); diff --git a/compiler/rustc_hir_analysis/src/structured_errors/wrong_number_of_generic_args.rs b/compiler/rustc_hir_analysis/src/structured_errors/wrong_number_of_generic_args.rs index 04c42b4b2e6..6657e3fd872 100644 --- a/compiler/rustc_hir_analysis/src/structured_errors/wrong_number_of_generic_args.rs +++ b/compiler/rustc_hir_analysis/src/structured_errors/wrong_number_of_generic_args.rs @@ -523,7 +523,7 @@ impl<'a, 'tcx> WrongNumberOfGenericArgs<'a, 'tcx> { fn start_diagnostics(&self) -> DiagnosticBuilder<'tcx> { let span = self.path_segment.ident.span; let msg = self.create_error_message(); - self.tcx.dcx().struct_span_err(span, msg).code_mv(self.code()) + self.tcx.dcx().struct_span_err(span, msg).with_code(self.code()) } /// Builds the `expected 1 type argument / supplied 2 type arguments` message. diff --git a/compiler/rustc_hir_typeck/src/callee.rs b/compiler/rustc_hir_typeck/src/callee.rs index fc61467df01..1a4e03d50ca 100644 --- a/compiler/rustc_hir_typeck/src/callee.rs +++ b/compiler/rustc_hir_typeck/src/callee.rs @@ -402,7 +402,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { callee_expr.span, format!("evaluate({predicate:?}) = {result:?}"), ) - .span_label_mv(predicate_span, "predicate") + .with_span_label(predicate_span, "predicate") .emit(); } } diff --git a/compiler/rustc_hir_typeck/src/cast.rs b/compiler/rustc_hir_typeck/src/cast.rs index 0a9f2a27cb8..a720a858f3c 100644 --- a/compiler/rustc_hir_typeck/src/cast.rs +++ b/compiler/rustc_hir_typeck/src/cast.rs @@ -269,7 +269,7 @@ impl<'a, 'tcx> CastCheck<'tcx> { } CastError::NeedViaInt => { make_invalid_casting_error(self.span, self.expr_ty, self.cast_ty, fcx) - .help_mv("cast through an integer first") + .with_help("cast through an integer first") .emit(); } CastError::IllegalCast => { @@ -277,7 +277,7 @@ impl<'a, 'tcx> CastCheck<'tcx> { } CastError::DifferingKinds => { make_invalid_casting_error(self.span, self.expr_ty, self.cast_ty, fcx) - .note_mv("vtable kinds may not match") + .with_note("vtable kinds may not match") .emit(); } CastError::CastToBool => { @@ -512,7 +512,7 @@ impl<'a, 'tcx> CastCheck<'tcx> { self.cast_ty, fcx, ) - .note_mv("cannot cast an enum with a non-exhaustive variant when it's defined in another crate") + .with_note("cannot cast an enum with a non-exhaustive variant when it's defined in another crate") .emit(); } } diff --git a/compiler/rustc_hir_typeck/src/coercion.rs b/compiler/rustc_hir_typeck/src/coercion.rs index 1aa25a5bd7f..0b266202b26 100644 --- a/compiler/rustc_hir_typeck/src/coercion.rs +++ b/compiler/rustc_hir_typeck/src/coercion.rs @@ -36,7 +36,7 @@ //! ``` use crate::FnCtxt; -use rustc_errors::{struct_span_err, Applicability, Diagnostic, DiagnosticBuilder, MultiSpan}; +use rustc_errors::{struct_span_code_err, Applicability, Diagnostic, DiagnosticBuilder, MultiSpan}; use rustc_hir as hir; use rustc_hir::def_id::DefId; use rustc_hir::intravisit::{self, Visitor}; @@ -1571,7 +1571,7 @@ impl<'tcx, 'exprs, E: AsCoercionSite> CoerceMany<'tcx, 'exprs, E> { let mut visitor = CollectRetsVisitor { ret_exprs: vec![] }; match *cause.code() { ObligationCauseCode::ReturnNoExpression => { - err = struct_span_err!( + err = struct_span_code_err!( fcx.dcx(), cause.span, E0069, diff --git a/compiler/rustc_hir_typeck/src/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs index 7617f03fcf2..fdad998c451 100644 --- a/compiler/rustc_hir_typeck/src/expr.rs +++ b/compiler/rustc_hir_typeck/src/expr.rs @@ -25,7 +25,7 @@ use rustc_ast as ast; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_data_structures::stack::ensure_sufficient_stack; use rustc_errors::{ - pluralize, struct_span_err, AddToDiagnostic, Applicability, Diagnostic, DiagnosticBuilder, + pluralize, struct_span_code_err, AddToDiagnostic, Applicability, Diagnostic, DiagnosticBuilder, DiagnosticId, ErrorGuaranteed, StashKey, }; use rustc_hir as hir; @@ -1760,7 +1760,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Make sure the programmer specified correct number of fields. if adt_kind == AdtKind::Union { if ast_fields.len() != 1 { - struct_span_err!( + struct_span_code_err!( tcx.dcx(), span, E0784, @@ -1967,7 +1967,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } }; - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( self.dcx(), span, E0063, @@ -2194,7 +2194,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let mut err = self.err_ctxt().type_error_struct_with_diag( field.ident.span, |actual| match ty.kind() { - ty::Adt(adt, ..) if adt.is_enum() => struct_span_err!( + ty::Adt(adt, ..) if adt.is_enum() => struct_span_code_err!( self.dcx(), field.ident.span, E0559, @@ -2204,7 +2204,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { variant.name, field.ident ), - _ => struct_span_err!( + _ => struct_span_code_err!( self.dcx(), field.ident.span, E0560, @@ -2832,13 +2832,13 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { fn private_field_err(&self, field: Ident, base_did: DefId) -> DiagnosticBuilder<'_> { let struct_path = self.tcx().def_path_str(base_did); let kind_name = self.tcx().def_descr(base_did); - struct_span_err!( + struct_span_code_err!( self.dcx(), field.span, E0616, "field `{field}` of {kind_name} `{struct_path}` is private", ) - .span_label_mv(field.span, "private field") + .with_span_label(field.span, "private field") } pub(crate) fn get_field_candidates_considering_privacy( @@ -3181,7 +3181,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { if !is_input && !expr.is_syntactic_place_expr() { self.dcx() .struct_span_err(expr.span, "invalid asm output") - .span_label_mv(expr.span, "cannot assign to this expression") + .with_span_label(expr.span, "cannot assign to this expression") .emit(); } @@ -3282,7 +3282,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { E0599, "no variant named `{ident}` found for enum `{container}`", ) - .span_label_mv(field.span, "variant not found") + .with_span_label(field.span, "variant not found") .emit(); break; }; @@ -3294,7 +3294,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { E0795, "`{ident}` is an enum variant; expected field at end of `offset_of`", ) - .span_label_mv(field.span, "enum variant") + .with_span_label(field.span, "enum variant") .emit(); break; }; @@ -3313,8 +3313,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { E0609, "no field named `{subfield}` on enum variant `{container}::{ident}`", ) - .span_label_mv(field.span, "this enum variant...") - .span_label_mv(subident.span, "...does not have this field") + .with_span_label(field.span, "this enum variant...") + .with_span_label(subident.span, "...does not have this field") .emit(); break; }; diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs index da6f2042c11..8cd5ed3494b 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs @@ -6,7 +6,8 @@ use crate::method::MethodCallee; use crate::TupleArgumentsFlag::*; use crate::{errors, Expectation::*}; use crate::{ - struct_span_err, BreakableCtxt, Diverges, Expectation, FnCtxt, Needs, RawTy, TupleArgumentsFlag, + struct_span_code_err, BreakableCtxt, Diverges, Expectation, FnCtxt, Needs, RawTy, + TupleArgumentsFlag, }; use rustc_ast as ast; use rustc_data_structures::fx::FxIndexSet; @@ -204,7 +205,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { _ => { // Otherwise, there's a mismatch, so clear out what we're expecting, and set // our input types to err_args so we don't blow up the error messages - struct_span_err!( + struct_span_code_err!( tcx.dcx(), call_span, E0059, @@ -807,7 +808,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } let mut err = if formal_and_expected_inputs.len() == provided_args.len() { - struct_span_err!( + struct_span_code_err!( tcx.dcx(), full_call_span, E0308, @@ -827,7 +828,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { pluralize!("was", provided_args.len()) ), ) - .code_mv(DiagnosticId::Error(err_code.to_owned())) + .with_code(DiagnosticId::Error(err_code.to_owned())) }; // As we encounter issues, keep track of what we want to provide for the suggestion @@ -1378,14 +1379,14 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // (issue #88844). guar } - _ => struct_span_err!( + _ => struct_span_code_err!( self.dcx(), path_span, E0071, "expected struct, variant or union type, found {}", ty.normalized.sort_string(self.tcx) ) - .span_label_mv(path_span, "not a struct") + .with_span_label(path_span, "not a struct") .emit(), }) } diff --git a/compiler/rustc_hir_typeck/src/intrinsicck.rs b/compiler/rustc_hir_typeck/src/intrinsicck.rs index 8bffd2dfc70..e087733130e 100644 --- a/compiler/rustc_hir_typeck/src/intrinsicck.rs +++ b/compiler/rustc_hir_typeck/src/intrinsicck.rs @@ -1,5 +1,5 @@ use hir::HirId; -use rustc_errors::struct_span_err; +use rustc_errors::struct_span_code_err; use rustc_hir as hir; use rustc_index::Idx; use rustc_middle::ty::layout::{LayoutError, SizeSkeleton}; @@ -73,10 +73,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { if let (&ty::FnDef(..), SizeSkeleton::Known(size_to)) = (from.kind(), sk_to) && size_to == Pointer(dl.instruction_address_space).size(&tcx) { - struct_span_err!(tcx.dcx(), span, E0591, "can't transmute zero-sized type") - .note_mv(format!("source type: {from}")) - .note_mv(format!("target type: {to}")) - .help_mv("cast with `as` to a pointer instead") + struct_span_code_err!(tcx.dcx(), span, E0591, "can't transmute zero-sized type") + .with_note(format!("source type: {from}")) + .with_note(format!("target type: {to}")) + .with_help("cast with `as` to a pointer instead") .emit(); return; } @@ -112,7 +112,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { Err(err) => err.to_string(), }; - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( tcx.dcx(), span, E0512, diff --git a/compiler/rustc_hir_typeck/src/lib.rs b/compiler/rustc_hir_typeck/src/lib.rs index ffae08d0f27..36dd06d944c 100644 --- a/compiler/rustc_hir_typeck/src/lib.rs +++ b/compiler/rustc_hir_typeck/src/lib.rs @@ -52,7 +52,7 @@ use crate::expectation::Expectation; use crate::fn_ctxt::RawTy; use crate::gather_locals::GatherLocalsVisitor; use rustc_data_structures::unord::UnordSet; -use rustc_errors::{struct_span_err, DiagnosticId, ErrorGuaranteed}; +use rustc_errors::{struct_span_code_err, DiagnosticId, ErrorGuaranteed}; use rustc_hir as hir; use rustc_hir::def::{DefKind, Res}; use rustc_hir::intravisit::Visitor; @@ -72,7 +72,7 @@ rustc_fluent_macro::fluent_messages! { "../messages.ftl" } #[macro_export] macro_rules! type_error_struct { ($dcx:expr, $span:expr, $typ:expr, $code:ident, $($message:tt)*) => ({ - let mut err = rustc_errors::struct_span_err!($dcx, $span, $code, $($message)*); + let mut err = rustc_errors::struct_span_code_err!($dcx, $span, $code, $($message)*); if $typ.references_error() { err.downgrade_to_delayed_bug(); @@ -181,7 +181,7 @@ fn typeck_with_fallback<'tcx>( let mut fcx = FnCtxt::new(&inh, param_env, def_id); if let Some(hir::FnSig { header, decl, .. }) = fn_sig { - let fn_sig = if rustc_hir_analysis::collect::get_infer_ret_ty(&decl.output).is_some() { + let fn_sig = if decl.output.get_infer_ret_ty().is_some() { fcx.astconv().ty_of_fn(id, header.unsafety, header.abi, decl, None, None) } else { tcx.fn_sig(def_id).instantiate_identity() @@ -369,14 +369,14 @@ fn report_unexpected_variant_res( let err = tcx .dcx() .struct_span_err(span, format!("expected {expected}, found {res_descr} `{path_str}`")) - .code_mv(DiagnosticId::Error(err_code.into())); + .with_code(DiagnosticId::Error(err_code.into())); match res { Res::Def(DefKind::Fn | DefKind::AssocFn, _) if err_code == "E0164" => { let patterns_url = "https://doc.rust-lang.org/book/ch18-00-patterns.html"; - err.span_label_mv(span, "`fn` calls are not allowed in patterns") - .help_mv(format!("for more information, visit {patterns_url}")) + err.with_span_label(span, "`fn` calls are not allowed in patterns") + .with_help(format!("for more information, visit {patterns_url}")) } - _ => err.span_label_mv(span, format!("not a {expected}")), + _ => err.with_span_label(span, format!("not a {expected}")), } .emit() } diff --git a/compiler/rustc_hir_typeck/src/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs index 58db2f10bd0..1f01c6b7406 100644 --- a/compiler/rustc_hir_typeck/src/method/suggest.rs +++ b/compiler/rustc_hir_typeck/src/method/suggest.rs @@ -13,7 +13,7 @@ use rustc_data_structures::fx::{FxIndexMap, FxIndexSet}; use rustc_data_structures::unord::UnordSet; use rustc_errors::StashKey; use rustc_errors::{ - pluralize, struct_span_err, Applicability, Diagnostic, DiagnosticBuilder, MultiSpan, + pluralize, struct_span_code_err, Applicability, Diagnostic, DiagnosticBuilder, MultiSpan, }; use rustc_hir as hir; use rustc_hir::def::DefKind; @@ -148,7 +148,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } MethodError::Ambiguity(mut sources) => { - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( self.dcx(), item_name.span, E0034, @@ -171,7 +171,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { MethodError::PrivateMatch(kind, def_id, out_of_scope_traits) => { let kind = self.tcx.def_kind_descr(kind, def_id); - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( self.dcx(), item_name.span, E0624, @@ -263,8 +263,13 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ) -> DiagnosticBuilder<'_> { let mut file = None; let ty_str = self.tcx.short_ty_string(rcvr_ty, &mut file); - let mut err = - struct_span_err!(self.dcx(), rcvr_expr.span, E0599, "cannot write into `{}`", ty_str); + let mut err = struct_span_code_err!( + self.dcx(), + rcvr_expr.span, + E0599, + "cannot write into `{}`", + ty_str + ); err.span_note( rcvr_expr.span, "must implement `io::Write`, `fmt::Write`, or have a `write_fmt` method", @@ -1836,7 +1841,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { && !actual.has_concrete_skeleton() && let SelfSource::MethodCall(expr) = source { - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( tcx.dcx(), span, E0689, diff --git a/compiler/rustc_hir_typeck/src/op.rs b/compiler/rustc_hir_typeck/src/op.rs index 3b5226c6414..ee411f8ed5f 100644 --- a/compiler/rustc_hir_typeck/src/op.rs +++ b/compiler/rustc_hir_typeck/src/op.rs @@ -4,7 +4,7 @@ use super::method::MethodCallee; use super::{has_expected_num_generic_args, FnCtxt}; use crate::Expectation; use rustc_ast as ast; -use rustc_errors::{struct_span_err, Applicability, Diagnostic, DiagnosticBuilder}; +use rustc_errors::{struct_span_code_err, Applicability, Diagnostic, DiagnosticBuilder}; use rustc_hir as hir; use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; use rustc_infer::traits::ObligationCauseCode; @@ -306,7 +306,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { .map(|def_id| with_no_trimmed_paths!(self.tcx.def_path_str(def_id))); let (mut err, output_def_id) = match is_assign { IsAssign::Yes => { - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( self.dcx(), expr.span, E0368, @@ -370,7 +370,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { }) .cloned() }); - let mut err = struct_span_err!(self.dcx(), op.span, E0369, "{message}"); + let mut err = + struct_span_code_err!(self.dcx(), op.span, E0369, "{message}"); if !lhs_expr.span.eq(&rhs_expr.span) { err.span_label(lhs_expr.span, lhs_ty.to_string()); err.span_label(rhs_expr.span, rhs_ty.to_string()); @@ -788,7 +789,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { Err(errors) => { let actual = self.resolve_vars_if_possible(operand_ty); let guar = actual.error_reported().err().unwrap_or_else(|| { - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( self.dcx(), ex.span, E0600, diff --git a/compiler/rustc_hir_typeck/src/pat.rs b/compiler/rustc_hir_typeck/src/pat.rs index 4ac85cce292..95813cb68a6 100644 --- a/compiler/rustc_hir_typeck/src/pat.rs +++ b/compiler/rustc_hir_typeck/src/pat.rs @@ -3,7 +3,7 @@ use crate::{errors, FnCtxt, RawTy}; use rustc_ast as ast; use rustc_data_structures::fx::FxHashMap; use rustc_errors::{ - pluralize, struct_span_err, Applicability, Diagnostic, DiagnosticBuilder, ErrorGuaranteed, + pluralize, struct_span_code_err, Applicability, Diagnostic, DiagnosticBuilder, ErrorGuaranteed, MultiSpan, }; use rustc_hir as hir; @@ -546,7 +546,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { (_, Some((true, _, sp))) => sp, _ => span_bug!(span, "emit_err_pat_range: no side failed or exists but still error?"), }; - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( self.dcx(), span, E0029, @@ -837,7 +837,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // This is "x = SomeTrait" being reduced from // "let &x = &SomeTrait" or "let box x = Box<SomeTrait>", an error. let type_str = self.ty_to_string(expected); - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( self.dcx(), span, E0033, @@ -1171,7 +1171,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { }; let last_field_def_span = *field_def_spans.last().unwrap(); - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( self.dcx(), MultiSpan::from_spans(subpat_spans), E0023, @@ -1516,7 +1516,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let has_shorthand_field_name = field_patterns.iter().any(|field| field.is_shorthand); if has_shorthand_field_name { let path = rustc_hir_pretty::qpath_to_string(qpath); - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( self.dcx(), pat.span, E0769, @@ -1541,13 +1541,13 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let sp_comma = sm.end_point(pat.span.with_hi(sp_brace.hi())); let sugg = if no_fields || sp_brace != sp_comma { ".. }" } else { ", .. }" }; - struct_span_err!( + struct_span_code_err!( self.dcx(), pat.span, E0638, "`..` required with {descr} marked as non-exhaustive", ) - .span_suggestion_verbose_mv( + .with_span_suggestion_verbose( sp_comma, "add `..` at the end of the field list to ignore all other fields", sugg, @@ -1562,15 +1562,15 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ident: Ident, other_field: Span, ) -> ErrorGuaranteed { - struct_span_err!( + struct_span_code_err!( self.dcx(), span, E0025, "field `{}` bound multiple times in the pattern", ident ) - .span_label_mv(span, format!("multiple uses of `{ident}` in pattern")) - .span_label_mv(other_field, format!("first use of `{ident}`")) + .with_span_label(span, format!("multiple uses of `{ident}` in pattern")) + .with_span_label(other_field, format!("first use of `{ident}`")) .emit() } @@ -1601,7 +1601,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ) }; let spans = inexistent_fields.iter().map(|field| field.ident.span).collect::<Vec<_>>(); - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( tcx.dcx(), spans, E0026, @@ -1698,7 +1698,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } let path = rustc_hir_pretty::qpath_to_string(qpath); - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( self.dcx(), pat.span, E0769, @@ -1876,7 +1876,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { .join(", "); format!("fields {fields}{inaccessible}") }; - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( self.dcx(), pat.span, E0027, @@ -2226,7 +2226,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { min_len: u64, size: u64, ) -> ErrorGuaranteed { - struct_span_err!( + struct_span_code_err!( self.dcx(), span, E0527, @@ -2235,7 +2235,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { pluralize!(min_len), size, ) - .span_label_mv(span, format!("expected {} element{}", size, pluralize!(size))) + .with_span_label(span, format!("expected {} element{}", size, pluralize!(size))) .emit() } @@ -2245,7 +2245,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { min_len: u64, size: u64, ) -> ErrorGuaranteed { - struct_span_err!( + struct_span_code_err!( self.dcx(), span, E0528, @@ -2254,7 +2254,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { pluralize!(min_len), size, ) - .span_label_mv( + .with_span_label( span, format!("pattern cannot match array of {} element{}", size, pluralize!(size),), ) @@ -2262,7 +2262,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } fn error_scrutinee_unfixed_length(&self, span: Span) -> ErrorGuaranteed { - struct_span_err!( + struct_span_code_err!( self.dcx(), span, E0730, @@ -2277,7 +2277,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { expected_ty: Ty<'tcx>, ti: TopInfo<'tcx>, ) -> ErrorGuaranteed { - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( self.dcx(), span, E0529, diff --git a/compiler/rustc_hir_typeck/src/place_op.rs b/compiler/rustc_hir_typeck/src/place_op.rs index 3825c513ef3..d6261763772 100644 --- a/compiler/rustc_hir_typeck/src/place_op.rs +++ b/compiler/rustc_hir_typeck/src/place_op.rs @@ -336,10 +336,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { expr.span, "not automatically applying `DerefMut` on `ManuallyDrop` union field", ) - .help_mv( + .with_help( "writing to this reference calls the destructor for the old value", ) - .help_mv("add an explicit `*` if that is desired, or call `ptr::write` to not run the destructor") + .with_help("add an explicit `*` if that is desired, or call `ptr::write` to not run the destructor") .emit(); } } diff --git a/compiler/rustc_incremental/src/persist/fs.rs b/compiler/rustc_incremental/src/persist/fs.rs index 2c6ae91786d..e18b1365d9c 100644 --- a/compiler/rustc_incremental/src/persist/fs.rs +++ b/compiler/rustc_incremental/src/persist/fs.rs @@ -273,7 +273,7 @@ pub(crate) fn prepare_session_directory( debug!("successfully copied data from: {}", source_directory.display()); if !allows_links { - sess.dcx().emit_warning(errors::HardLinkFailed { path: &session_dir }); + sess.dcx().emit_warn(errors::HardLinkFailed { path: &session_dir }); } sess.init_incr_comp_session(session_dir, directory_lock); @@ -288,7 +288,7 @@ pub(crate) fn prepare_session_directory( // Try to remove the session directory we just allocated. We don't // know if there's any garbage in it from the failed copy action. if let Err(err) = safe_remove_dir_all(&session_dir) { - sess.dcx().emit_warning(errors::DeletePartial { path: &session_dir, err }); + sess.dcx().emit_warn(errors::DeletePartial { path: &session_dir, err }); } delete_session_dir_lock_file(sess, &lock_file_path); @@ -322,7 +322,7 @@ pub fn finalize_session_directory(sess: &Session, svh: Option<Svh>) { ); if let Err(err) = safe_remove_dir_all(&*incr_comp_session_dir) { - sess.dcx().emit_warning(errors::DeleteFull { path: &incr_comp_session_dir, err }); + sess.dcx().emit_warn(errors::DeleteFull { path: &incr_comp_session_dir, err }); } let lock_file_path = lock_file_path(&*incr_comp_session_dir); @@ -365,7 +365,7 @@ pub fn finalize_session_directory(sess: &Session, svh: Option<Svh>) { } Err(e) => { // Warn about the error. However, no need to abort compilation now. - sess.dcx().emit_warning(errors::Finalize { path: &incr_comp_session_dir, err: e }); + sess.dcx().emit_warn(errors::Finalize { path: &incr_comp_session_dir, err: e }); debug!("finalize_session_directory() - error, marking as invalid"); // Drop the file lock, so we can garage collect @@ -500,7 +500,7 @@ fn lock_directory( fn delete_session_dir_lock_file(sess: &Session, lock_file_path: &Path) { if let Err(err) = safe_remove_file(lock_file_path) { - sess.dcx().emit_warning(errors::DeleteLock { path: lock_file_path, err }); + sess.dcx().emit_warn(errors::DeleteLock { path: lock_file_path, err }); } } @@ -724,7 +724,7 @@ pub(crate) fn garbage_collect_session_directories(sess: &Session) -> io::Result< if !lock_file_to_session_dir.items().any(|(_, dir)| *dir == directory_name) { let path = crate_directory.join(directory_name); if let Err(err) = safe_remove_dir_all(&path) { - sess.dcx().emit_warning(errors::InvalidGcFailed { path: &path, err }); + sess.dcx().emit_warn(errors::InvalidGcFailed { path: &path, err }); } } } @@ -830,7 +830,7 @@ pub(crate) fn garbage_collect_session_directories(sess: &Session) -> io::Result< debug!("garbage_collect_session_directories() - deleting `{}`", path.display()); if let Err(err) = safe_remove_dir_all(&path) { - sess.dcx().emit_warning(errors::FinalizedGcFailed { path: &path, err }); + sess.dcx().emit_warn(errors::FinalizedGcFailed { path: &path, err }); } else { delete_session_dir_lock_file(sess, &lock_file_path(&path)); } @@ -848,7 +848,7 @@ fn delete_old(sess: &Session, path: &Path) { debug!("garbage_collect_session_directories() - deleting `{}`", path.display()); if let Err(err) = safe_remove_dir_all(path) { - sess.dcx().emit_warning(errors::SessionGcFailed { path: path, err }); + sess.dcx().emit_warn(errors::SessionGcFailed { path: path, err }); } else { delete_session_dir_lock_file(sess, &lock_file_path(path)); } diff --git a/compiler/rustc_incremental/src/persist/load.rs b/compiler/rustc_incremental/src/persist/load.rs index ce8f5bb69ae..96bfe766c20 100644 --- a/compiler/rustc_incremental/src/persist/load.rs +++ b/compiler/rustc_incremental/src/persist/load.rs @@ -51,7 +51,7 @@ impl<T: Default> LoadResult<T> { match self { LoadResult::LoadDepGraph(path, err) => { - sess.dcx().emit_warning(errors::LoadDepGraph { path, err }); + sess.dcx().emit_warn(errors::LoadDepGraph { path, err }); Default::default() } LoadResult::DataOutOfDate => { diff --git a/compiler/rustc_incremental/src/persist/work_product.rs b/compiler/rustc_incremental/src/persist/work_product.rs index 1450d8a99ab..906233ef53e 100644 --- a/compiler/rustc_incremental/src/persist/work_product.rs +++ b/compiler/rustc_incremental/src/persist/work_product.rs @@ -30,7 +30,7 @@ pub fn copy_cgu_workproduct_to_incr_comp_cache_dir( let _ = saved_files.insert(ext.to_string(), file_name); } Err(err) => { - sess.dcx().emit_warning(errors::CopyWorkProductToCache { + sess.dcx().emit_warn(errors::CopyWorkProductToCache { from: path, to: &path_in_incr_dir, err, @@ -50,7 +50,7 @@ pub(crate) fn delete_workproduct_files(sess: &Session, work_product: &WorkProduc for (_, path) in work_product.saved_files.items().into_sorted_stable_ord() { let path = in_incr_comp_dir_sess(sess, path); if let Err(err) = std_fs::remove_file(&path) { - sess.dcx().emit_warning(errors::DeleteWorkProduct { path: &path, err }); + sess.dcx().emit_warn(errors::DeleteWorkProduct { path: &path, err }); } } } diff --git a/compiler/rustc_infer/src/infer/canonical/canonicalizer.rs b/compiler/rustc_infer/src/infer/canonical/canonicalizer.rs index c156c13c962..e4b37f05b77 100644 --- a/compiler/rustc_infer/src/infer/canonical/canonicalizer.rs +++ b/compiler/rustc_infer/src/infer/canonical/canonicalizer.rs @@ -192,10 +192,10 @@ impl CanonicalizeMode for CanonicalizeQueryResponse { // rust-lang/rust#57464: `impl Trait` can leak local // scopes (in manner violating typeck). Therefore, use // `span_delayed_bug` to allow type error over an ICE. - canonicalizer.tcx.dcx().span_delayed_bug( - rustc_span::DUMMY_SP, - format!("unexpected region in query response: `{r:?}`"), - ); + canonicalizer + .tcx + .dcx() + .delayed_bug(format!("unexpected region in query response: `{r:?}`")); r } } diff --git a/compiler/rustc_infer/src/infer/error_reporting/mod.rs b/compiler/rustc_infer/src/infer/error_reporting/mod.rs index b1c360b61cb..875e94fcd9f 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/mod.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/mod.rs @@ -60,8 +60,8 @@ use crate::traits::{ use rustc_data_structures::fx::{FxIndexMap, FxIndexSet}; use rustc_errors::{ - error_code, pluralize, struct_span_err, Applicability, DiagCtxt, Diagnostic, DiagnosticBuilder, - DiagnosticStyledString, ErrorGuaranteed, IntoDiagnosticArg, + error_code, pluralize, struct_span_code_err, Applicability, DiagCtxt, Diagnostic, + DiagnosticBuilder, DiagnosticStyledString, ErrorGuaranteed, IntoDiagnosticArg, }; use rustc_hir as hir; use rustc_hir::def::DefKind; @@ -2348,11 +2348,11 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { GenericKind::Param(ref p) => format!("the parameter type `{p}`"), GenericKind::Placeholder(ref p) => format!("the placeholder type `{p:?}`"), GenericKind::Alias(ref p) => match p.kind(self.tcx) { - ty::AliasKind::Projection | ty::AliasKind::Inherent => { + ty::Projection | ty::Inherent => { format!("the associated type `{p}`") } - ty::AliasKind::Weak => format!("the type alias `{p}`"), - ty::AliasKind::Opaque => format!("the opaque type `{p}`"), + ty::Weak => format!("the type alias `{p}`"), + ty::Opaque => format!("the opaque type `{p}`"), }, }; @@ -2780,7 +2780,7 @@ impl<'tcx> InferCtxt<'tcx> { infer::Nll(..) => bug!("NLL variable found in lexical phase"), }; - struct_span_err!( + struct_span_code_err!( self.tcx.dcx(), var_origin.span(), E0495, diff --git a/compiler/rustc_infer/src/infer/error_reporting/note.rs b/compiler/rustc_infer/src/infer/error_reporting/note.rs index 77a0accf80b..02200d6a4aa 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/note.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/note.rs @@ -368,7 +368,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { { let span = *span; self.report_concrete_failure(placeholder_origin, sub, sup) - .span_note_mv(span, "the lifetime requirement is introduced here") + .with_span_note(span, "the lifetime requirement is introduced here") } else { unreachable!( "control flow ensures we have a `BindingObligation` or `ExprBindingObligation` here..." diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index fa694f09f17..fcc94687ed2 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -38,7 +38,7 @@ use rustc_middle::ty::{self, GenericParamDefKind, InferConst, InferTy, Ty, TyCtx use rustc_middle::ty::{ConstVid, EffectVid, FloatVid, IntVid, TyVid}; use rustc_middle::ty::{GenericArg, GenericArgKind, GenericArgs, GenericArgsRef}; use rustc_span::symbol::Symbol; -use rustc_span::{Span, DUMMY_SP}; +use rustc_span::Span; use std::cell::{Cell, RefCell}; use std::fmt; @@ -1434,10 +1434,8 @@ impl<'tcx> InferCtxt<'tcx> { bug!("`{value:?}` is not fully resolved"); } if value.has_infer_regions() { - let guar = self - .tcx - .dcx() - .span_delayed_bug(DUMMY_SP, format!("`{value:?}` is not fully resolved")); + let guar = + self.tcx.dcx().delayed_bug(format!("`{value:?}` is not fully resolved")); Ok(self.tcx.fold_regions(value, |re, _| { if re.is_var() { ty::Region::new_error(self.tcx, guar) } else { re } })) diff --git a/compiler/rustc_infer/src/infer/opaque_types/table.rs b/compiler/rustc_infer/src/infer/opaque_types/table.rs index c91eb7eddd8..6a684dba8de 100644 --- a/compiler/rustc_infer/src/infer/opaque_types/table.rs +++ b/compiler/rustc_infer/src/infer/opaque_types/table.rs @@ -1,6 +1,5 @@ use rustc_data_structures::undo_log::UndoLogs; use rustc_middle::ty::{self, OpaqueHiddenType, OpaqueTypeKey, Ty}; -use rustc_span::DUMMY_SP; use crate::infer::{InferCtxtUndoLogs, UndoLog}; @@ -40,9 +39,7 @@ impl<'tcx> OpaqueTypeStorage<'tcx> { impl<'tcx> Drop for OpaqueTypeStorage<'tcx> { fn drop(&mut self) { if !self.opaque_types.is_empty() { - ty::tls::with(|tcx| { - tcx.dcx().span_delayed_bug(DUMMY_SP, format!("{:?}", self.opaque_types)) - }); + ty::tls::with(|tcx| tcx.dcx().delayed_bug(format!("{:?}", self.opaque_types))); } } } diff --git a/compiler/rustc_infer/src/infer/outlives/verify.rs b/compiler/rustc_infer/src/infer/outlives/verify.rs index dd364312cad..7a85268492b 100644 --- a/compiler/rustc_infer/src/infer/outlives/verify.rs +++ b/compiler/rustc_infer/src/infer/outlives/verify.rs @@ -175,10 +175,9 @@ impl<'cx, 'tcx> VerifyBoundCx<'cx, 'tcx> { // ignore this, we presume it will yield an error // later, since if a type variable is not resolved by // this point it never will be - self.tcx.dcx().span_delayed_bug( - rustc_span::DUMMY_SP, - format!("unresolved inference variable in outlives: {v:?}"), - ); + self.tcx + .dcx() + .delayed_bug(format!("unresolved inference variable in outlives: {v:?}")); // add a bound that never holds VerifyBound::AnyBound(vec![]) } diff --git a/compiler/rustc_infer/src/infer/relate/combine.rs b/compiler/rustc_infer/src/infer/relate/combine.rs index 8b31a1118cb..4b254fc7df5 100644 --- a/compiler/rustc_infer/src/infer/relate/combine.rs +++ b/compiler/rustc_infer/src/infer/relate/combine.rs @@ -180,10 +180,9 @@ impl<'tcx> InferCtxt<'tcx> { &mut OriginalQueryValues::default(), ); self.tcx.check_tys_might_be_eq(canonical).map_err(|_| { - self.tcx.dcx().span_delayed_bug( - DUMMY_SP, - format!("cannot relate consts of different types (a={a:?}, b={b:?})",), - ) + self.tcx.dcx().delayed_bug(format!( + "cannot relate consts of different types (a={a:?}, b={b:?})", + )) }) }); @@ -511,7 +510,7 @@ impl<'infcx, 'tcx> CombineFields<'infcx, 'tcx> { )); } else { match a_ty.kind() { - &ty::Alias(ty::AliasKind::Projection, data) => { + &ty::Alias(ty::Projection, data) => { // FIXME: This does not handle subtyping correctly, we could // instead create a new inference variable for `a_ty`, emitting // `Projection(a_ty, a_infer)` and `a_infer <: b_ty`. @@ -523,10 +522,9 @@ impl<'infcx, 'tcx> CombineFields<'infcx, 'tcx> { )) } // The old solver only accepts projection predicates for associated types. - ty::Alias( - ty::AliasKind::Inherent | ty::AliasKind::Weak | ty::AliasKind::Opaque, - _, - ) => return Err(TypeError::CyclicTy(a_ty)), + ty::Alias(ty::Inherent | ty::Weak | ty::Opaque, _) => { + return Err(TypeError::CyclicTy(a_ty)); + } _ => bug!("generalizated `{a_ty:?} to infer, not an alias"), } } diff --git a/compiler/rustc_infer/src/traits/error_reporting/mod.rs b/compiler/rustc_infer/src/traits/error_reporting/mod.rs index e91411ffc7a..6f218019dee 100644 --- a/compiler/rustc_infer/src/traits/error_reporting/mod.rs +++ b/compiler/rustc_infer/src/traits/error_reporting/mod.rs @@ -2,7 +2,7 @@ use super::ObjectSafetyViolation; use crate::infer::InferCtxt; use rustc_data_structures::fx::FxIndexSet; -use rustc_errors::{struct_span_err, Applicability, DiagnosticBuilder, MultiSpan}; +use rustc_errors::{struct_span_code_err, Applicability, DiagnosticBuilder, MultiSpan}; use rustc_hir as hir; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_hir::intravisit::Map; @@ -20,7 +20,7 @@ impl<'tcx> InferCtxt<'tcx> { trait_item_def_id: DefId, requirement: &dyn fmt::Display, ) -> DiagnosticBuilder<'tcx> { - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( self.tcx.dcx(), error_span, E0276, @@ -52,7 +52,7 @@ pub fn report_object_safety_error<'tcx>( hir::Node::Item(item) => Some(item.ident.span), _ => None, }); - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( tcx.dcx(), span, E0038, diff --git a/compiler/rustc_interface/src/callbacks.rs b/compiler/rustc_interface/src/callbacks.rs index 7458be2c86d..8c7e49b51f9 100644 --- a/compiler/rustc_interface/src/callbacks.rs +++ b/compiler/rustc_interface/src/callbacks.rs @@ -9,7 +9,7 @@ //! The functions in this file should fall back to the default set in their //! origin crate when the `TyCtxt` is not present in TLS. -use rustc_errors::{Diagnostic, TRACK_DIAGNOSTICS}; +use rustc_errors::{Diagnostic, TRACK_DIAGNOSTIC}; use rustc_middle::dep_graph::{DepNodeExt, TaskDepsRef}; use rustc_middle::ty::tls; use rustc_query_system::dep_graph::dep_node::default_dep_kind_debug; @@ -103,5 +103,5 @@ pub fn setup_callbacks() { .swap(&(dep_kind_debug as fn(_, &mut fmt::Formatter<'_>) -> _)); rustc_query_system::dep_graph::dep_node::DEP_NODE_DEBUG .swap(&(dep_node_debug as fn(_, &mut fmt::Formatter<'_>) -> _)); - TRACK_DIAGNOSTICS.swap(&(track_diagnostic as _)); + TRACK_DIAGNOSTIC.swap(&(track_diagnostic as _)); } diff --git a/compiler/rustc_interface/src/passes.rs b/compiler/rustc_interface/src/passes.rs index ce76c2cba93..97956404120 100644 --- a/compiler/rustc_interface/src/passes.rs +++ b/compiler/rustc_interface/src/passes.rs @@ -254,7 +254,7 @@ fn configure_and_expand( } if is_proc_macro_crate && sess.panic_strategy() == PanicStrategy::Abort { - sess.dcx().emit_warning(errors::ProcMacroCratePanicAbort); + sess.dcx().emit_warn(errors::ProcMacroCratePanicAbort); } sess.time("maybe_create_a_macro_crate", || { diff --git a/compiler/rustc_interface/src/queries.rs b/compiler/rustc_interface/src/queries.rs index 9da806e0779..e66ea6f2ca9 100644 --- a/compiler/rustc_interface/src/queries.rs +++ b/compiler/rustc_interface/src/queries.rs @@ -213,9 +213,8 @@ impl<'tcx> Queries<'tcx> { // Some other attribute. Some(_) => { - tcx.dcx().emit_warning(RustcErrorUnexpectedAnnotation { - span: tcx.def_span(def_id), - }); + tcx.dcx() + .emit_warn(RustcErrorUnexpectedAnnotation { span: tcx.def_span(def_id) }); } } } diff --git a/compiler/rustc_interface/src/util.rs b/compiler/rustc_interface/src/util.rs index 92a6445ed09..9fd44e46b31 100644 --- a/compiler/rustc_interface/src/util.rs +++ b/compiler/rustc_interface/src/util.rs @@ -431,7 +431,7 @@ pub fn collect_crate_types(session: &Session, attrs: &[ast::Attribute]) -> Vec<C base.retain(|crate_type| { if output::invalid_output_for_target(session, *crate_type) { - session.dcx().emit_warning(errors::UnsupportedCrateTypeForTarget { + session.dcx().emit_warn(errors::UnsupportedCrateTypeForTarget { crate_type: *crate_type, target_triple: &session.opts.target_triple, }); @@ -507,16 +507,16 @@ pub fn build_output_filenames(attrs: &[ast::Attribute], sess: &Session) -> Outpu let unnamed_output_types = sess.opts.output_types.values().filter(|a| a.is_none()).count(); let ofile = if unnamed_output_types > 1 { - sess.dcx().emit_warning(errors::MultipleOutputTypesAdaption); + sess.dcx().emit_warn(errors::MultipleOutputTypesAdaption); None } else { if !sess.opts.cg.extra_filename.is_empty() { - sess.dcx().emit_warning(errors::IgnoringExtraFilename); + sess.dcx().emit_warn(errors::IgnoringExtraFilename); } Some(out_file.clone()) }; if sess.io.output_dir != None { - sess.dcx().emit_warning(errors::IgnoringOutDir); + sess.dcx().emit_warn(errors::IgnoringOutDir); } let out_filestem = diff --git a/compiler/rustc_lint/src/types.rs b/compiler/rustc_lint/src/types.rs index 6dade43a183..a86fe2db2b2 100644 --- a/compiler/rustc_lint/src/types.rs +++ b/compiler/rustc_lint/src/types.rs @@ -29,7 +29,6 @@ use rustc_span::{Span, Symbol}; use rustc_target::abi::{Abi, Size, WrappingRange}; use rustc_target::abi::{Integer, TagEncoding, Variants}; use rustc_target::spec::abi::Abi as SpecAbi; -use rustc_type_ir::DynKind; use std::iter; use std::ops::ControlFlow; @@ -675,7 +674,7 @@ fn lint_wide_pointer<'tcx>( } match ty.kind() { ty::RawPtr(TypeAndMut { mutbl: _, ty }) => (!ty.is_sized(cx.tcx, cx.param_env)) - .then(|| (refs, matches!(ty.kind(), ty::Dynamic(_, _, DynKind::Dyn)))), + .then(|| (refs, matches!(ty.kind(), ty::Dynamic(_, _, ty::Dyn)))), _ => None, } }; diff --git a/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp index cf3f526400d..76eb6bfaef7 100644 --- a/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp +++ b/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp @@ -787,7 +787,9 @@ LLVMRustOptimize( for (auto PluginPath: Plugins) { auto Plugin = PassPlugin::Load(PluginPath.str()); if (!Plugin) { - LLVMRustSetLastError(("Failed to load pass plugin" + PluginPath.str()).c_str()); + auto Err = Plugin.takeError(); + auto ErrMsg = llvm::toString(std::move(Err)); + LLVMRustSetLastError(ErrMsg.c_str()); return LLVMRustResult::Failure; } Plugin->registerPassBuilderCallbacks(PB); diff --git a/compiler/rustc_middle/src/lint.rs b/compiler/rustc_middle/src/lint.rs index 212e831e106..c5e4dfaf19e 100644 --- a/compiler/rustc_middle/src/lint.rs +++ b/compiler/rustc_middle/src/lint.rs @@ -312,8 +312,9 @@ pub fn struct_lint_level( // create a `DiagnosticBuilder` and continue as we would for warnings. rustc_errors::Level::Expect(expect_id) } - Level::ForceWarn(Some(expect_id)) => rustc_errors::Level::Warning(Some(expect_id)), - Level::Warn | Level::ForceWarn(None) => rustc_errors::Level::Warning(None), + Level::ForceWarn(Some(expect_id)) => rustc_errors::Level::ForceWarning(Some(expect_id)), + Level::ForceWarn(None) => rustc_errors::Level::ForceWarning(None), + Level::Warn => rustc_errors::Level::Warning, Level::Deny | Level::Forbid => rustc_errors::Level::Error, }; let mut err = DiagnosticBuilder::new(sess.dcx(), err_level, ""); @@ -350,22 +351,19 @@ pub fn struct_lint_level( // suppressed the lint due to macros. err.primary_message(msg); + let name = lint.name_lower(); + err.code(DiagnosticId::Lint { name, has_future_breakage }); + // Lint diagnostics that are covered by the expect level will not be emitted outside // the compiler. It is therefore not necessary to add any information for the user. // This will therefore directly call the decorate function which will in turn emit // the `Diagnostic`. if let Level::Expect(_) = level { - let name = lint.name_lower(); - err.code(DiagnosticId::Lint { name, has_future_breakage, is_force_warn: false }); decorate(&mut err); err.emit(); return; } - let name = lint.name_lower(); - let is_force_warn = matches!(level, Level::ForceWarn(_)); - err.code(DiagnosticId::Lint { name, has_future_breakage, is_force_warn }); - if let Some(future_incompatible) = future_incompatible { let explanation = match future_incompatible.reason { FutureIncompatibilityReason::FutureReleaseErrorDontReportInDeps diff --git a/compiler/rustc_middle/src/mir/interpret/allocation.rs b/compiler/rustc_middle/src/mir/interpret/allocation.rs index a92b85a716f..4047891d769 100644 --- a/compiler/rustc_middle/src/mir/interpret/allocation.rs +++ b/compiler/rustc_middle/src/mir/interpret/allocation.rs @@ -14,7 +14,6 @@ use either::{Left, Right}; use rustc_ast::Mutability; use rustc_data_structures::intern::Interned; -use rustc_span::DUMMY_SP; use rustc_target::abi::{Align, HasDataLayout, Size}; use super::{ @@ -314,9 +313,7 @@ impl<Prov: Provenance, Bytes: AllocBytes> Allocation<Prov, (), Bytes> { /// available to the compiler to do so. pub fn try_uninit<'tcx>(size: Size, align: Align) -> InterpResult<'tcx, Self> { Self::uninit_inner(size, align, || { - ty::tls::with(|tcx| { - tcx.dcx().span_delayed_bug(DUMMY_SP, "exhausted memory during interpretation") - }); + ty::tls::with(|tcx| tcx.dcx().delayed_bug("exhausted memory during interpretation")); InterpError::ResourceExhaustion(ResourceExhaustionInfo::MemoryExhausted).into() }) } diff --git a/compiler/rustc_middle/src/query/plumbing.rs b/compiler/rustc_middle/src/query/plumbing.rs index 414d4c8d949..a41d4f1ad58 100644 --- a/compiler/rustc_middle/src/query/plumbing.rs +++ b/compiler/rustc_middle/src/query/plumbing.rs @@ -551,7 +551,7 @@ macro_rules! define_feedable { // We have an inconsistency. This can happen if one of the two // results is tainted by errors. In this case, delay a bug to // ensure compilation is doomed, and keep the `old` value. - tcx.dcx().span_delayed_bug(DUMMY_SP, format!( + tcx.dcx().delayed_bug(format!( "Trying to feed an already recorded value for query {} key={key:?}:\n\ old value: {old:?}\nnew value: {value:?}", stringify!($name), diff --git a/compiler/rustc_middle/src/ty/layout.rs b/compiler/rustc_middle/src/ty/layout.rs index 5cc0ce87c9b..25473f52c03 100644 --- a/compiler/rustc_middle/src/ty/layout.rs +++ b/compiler/rustc_middle/src/ty/layout.rs @@ -284,7 +284,7 @@ impl<'tcx> LayoutCalculator for LayoutCx<'tcx, TyCtxt<'tcx>> { type TargetDataLayoutRef = &'tcx TargetDataLayout; fn delayed_bug(&self, txt: String) { - self.tcx.dcx().span_delayed_bug(DUMMY_SP, txt); + self.tcx.dcx().delayed_bug(txt); } fn current_data_layout(&self) -> Self::TargetDataLayoutRef { diff --git a/compiler/rustc_middle/src/ty/opaque_types.rs b/compiler/rustc_middle/src/ty/opaque_types.rs index d9bcd8d3ae7..5ca88ec3102 100644 --- a/compiler/rustc_middle/src/ty/opaque_types.rs +++ b/compiler/rustc_middle/src/ty/opaque_types.rs @@ -132,7 +132,7 @@ impl<'tcx> TypeFolder<TyCtxt<'tcx>> for ReverseMapper<'tcx> { .tcx .dcx() .struct_span_err(self.span, "non-defining opaque type use in defining scope") - .span_label_mv( + .with_span_label( self.span, format!( "lifetime `{r}` is part of concrete type but not used in \ diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs index 38bf39bff90..8cf5fc8013f 100644 --- a/compiler/rustc_middle/src/ty/sty.rs +++ b/compiler/rustc_middle/src/ty/sty.rs @@ -1225,7 +1225,7 @@ impl<'tcx> AliasTy<'tcx> { /// Whether this alias type is an opaque. pub fn is_opaque(self, tcx: TyCtxt<'tcx>) -> bool { - matches!(self.opt_kind(tcx), Some(ty::AliasKind::Opaque)) + matches!(self.opt_kind(tcx), Some(ty::Opaque)) } /// FIXME: rename `AliasTy` to `AliasTerm` and always handle @@ -2745,7 +2745,7 @@ impl<'tcx> Ty<'tcx> { // Extern types have metadata = (). | ty::Foreign(..) // `dyn*` has no metadata - | ty::Dynamic(_, _, DynKind::DynStar) + | ty::Dynamic(_, _, ty::DynStar) // If returned by `struct_tail_without_normalization` this is a unit struct // without any fields, or not a struct, and therefore is Sized. | ty::Adt(..) @@ -2754,7 +2754,7 @@ impl<'tcx> Ty<'tcx> { | ty::Tuple(..) => (tcx.types.unit, false), ty::Str | ty::Slice(_) => (tcx.types.usize, false), - ty::Dynamic(_, _, DynKind::Dyn) => { + ty::Dynamic(_, _, ty::Dyn) => { let dyn_metadata = tcx.require_lang_item(LangItem::DynMetadata, None); (tcx.type_of(dyn_metadata).instantiate(tcx, &[tail.into()]), false) }, diff --git a/compiler/rustc_middle/src/ty/util.rs b/compiler/rustc_middle/src/ty/util.rs index 7285cdb830e..372f11a5acc 100644 --- a/compiler/rustc_middle/src/ty/util.rs +++ b/compiler/rustc_middle/src/ty/util.rs @@ -369,7 +369,7 @@ impl<'tcx> TyCtxt<'tcx> { if let Some((old_item_id, _)) = dtor_candidate { self.dcx() .struct_span_err(self.def_span(item_id), "multiple drop impls found") - .span_note_mv(self.def_span(old_item_id), "other impl here") + .with_span_note(self.def_span(old_item_id), "other impl here") .delay_as_bug(); } diff --git a/compiler/rustc_middle/src/values.rs b/compiler/rustc_middle/src/values.rs index 27d04dbe331..6a03bf243eb 100644 --- a/compiler/rustc_middle/src/values.rs +++ b/compiler/rustc_middle/src/values.rs @@ -1,7 +1,7 @@ use crate::dep_graph::dep_kinds; use crate::query::plumbing::CyclePlaceholder; use rustc_data_structures::fx::FxHashSet; -use rustc_errors::{pluralize, struct_span_err, Applicability, MultiSpan}; +use rustc_errors::{pluralize, struct_span_code_err, Applicability, MultiSpan}; use rustc_hir as hir; use rustc_hir::def::{DefKind, Res}; use rustc_middle::ty::Representability; @@ -175,7 +175,7 @@ impl<'tcx, T> Value<TyCtxt<'tcx>> for Result<T, &'_ ty::layout::LayoutError<'_>> } else { tcx.def_span(def_id) }; - let mut diag = struct_span_err!( + let mut diag = struct_span_code_err!( tcx.sess.dcx(), span, E0733, @@ -309,7 +309,7 @@ pub fn recursive_type_error( } s }; - struct_span_err!( + struct_span_code_err!( tcx.dcx(), err_span, E0072, @@ -318,7 +318,7 @@ pub fn recursive_type_error( items_list, pluralize!("has", cycle_len), ) - .multipart_suggestion_mv( + .with_multipart_suggestion( "insert some indirection (e.g., a `Box`, `Rc`, or `&`) to break the cycle", suggestion, Applicability::HasPlaceholders, diff --git a/compiler/rustc_mir_build/src/build/expr/as_constant.rs b/compiler/rustc_mir_build/src/build/expr/as_constant.rs index e77e82d9954..5721957037e 100644 --- a/compiler/rustc_mir_build/src/build/expr/as_constant.rs +++ b/compiler/rustc_mir_build/src/build/expr/as_constant.rs @@ -9,7 +9,6 @@ use rustc_middle::thir::*; use rustc_middle::ty::{ self, CanonicalUserType, CanonicalUserTypeAnnotation, TyCtxt, UserTypeAnnotationIndex, }; -use rustc_span::DUMMY_SP; use rustc_target::abi::Size; impl<'a, 'tcx> Builder<'a, 'tcx> { @@ -111,15 +110,15 @@ fn lit_to_mir_constant<'tcx>( let LitToConstInput { lit, ty, neg } = lit_input; let trunc = |n| { let param_ty = ty::ParamEnv::reveal_all().and(ty); - let width = tcx - .layout_of(param_ty) - .map_err(|_| { - LitToConstError::Reported(tcx.dcx().span_delayed_bug( - DUMMY_SP, - format!("couldn't compute width of literal: {:?}", lit_input.lit), - )) - })? - .size; + let width = + tcx.layout_of(param_ty) + .map_err(|_| { + LitToConstError::Reported(tcx.dcx().delayed_bug(format!( + "couldn't compute width of literal: {:?}", + lit_input.lit + ))) + })? + .size; trace!("trunc {} with size {} and shift {}", n, width.bits(), 128 - width.bits()); let result = width.truncate(n); trace!("trunc result: {}", result); @@ -158,16 +157,16 @@ fn lit_to_mir_constant<'tcx>( } (ast::LitKind::Float(n, _), ty::Float(fty)) => parse_float_into_constval(*n, *fty, neg) .ok_or_else(|| { - LitToConstError::Reported(tcx.dcx().span_delayed_bug( - DUMMY_SP, - format!("couldn't parse float literal: {:?}", lit_input.lit), - )) + LitToConstError::Reported( + tcx.dcx() + .delayed_bug(format!("couldn't parse float literal: {:?}", lit_input.lit)), + ) })?, (ast::LitKind::Bool(b), ty::Bool) => ConstValue::Scalar(Scalar::from_bool(*b)), (ast::LitKind::Char(c), ty::Char) => ConstValue::Scalar(Scalar::from_char(*c)), (ast::LitKind::Err, _) => { return Err(LitToConstError::Reported( - tcx.dcx().span_delayed_bug(DUMMY_SP, "encountered LitKind::Err during mir build"), + tcx.dcx().delayed_bug("encountered LitKind::Err during mir build"), )); } _ => return Err(LitToConstError::TypeError), diff --git a/compiler/rustc_mir_build/src/thir/constant.rs b/compiler/rustc_mir_build/src/thir/constant.rs index 3a56b03948e..8d5e6cd4f41 100644 --- a/compiler/rustc_mir_build/src/thir/constant.rs +++ b/compiler/rustc_mir_build/src/thir/constant.rs @@ -1,7 +1,6 @@ use rustc_ast as ast; use rustc_middle::mir::interpret::{LitToConstError, LitToConstInput}; use rustc_middle::ty::{self, ParamEnv, ScalarInt, TyCtxt}; -use rustc_span::DUMMY_SP; use crate::build::parse_float_into_scalar; @@ -13,15 +12,15 @@ pub(crate) fn lit_to_const<'tcx>( let trunc = |n| { let param_ty = ParamEnv::reveal_all().and(ty); - let width = tcx - .layout_of(param_ty) - .map_err(|_| { - LitToConstError::Reported(tcx.dcx().span_delayed_bug( - DUMMY_SP, - format!("couldn't compute width of literal: {:?}", lit_input.lit), - )) - })? - .size; + let width = + tcx.layout_of(param_ty) + .map_err(|_| { + LitToConstError::Reported(tcx.dcx().delayed_bug(format!( + "couldn't compute width of literal: {:?}", + lit_input.lit + ))) + })? + .size; trace!("trunc {} with size {} and shift {}", n, width.bits(), 128 - width.bits()); let result = width.truncate(n); trace!("trunc result: {}", result); @@ -60,20 +59,21 @@ pub(crate) fn lit_to_const<'tcx>( } (ast::LitKind::Bool(b), ty::Bool) => ty::ValTree::from_scalar_int((*b).into()), (ast::LitKind::Float(n, _), ty::Float(fty)) => { - let bits = parse_float_into_scalar(*n, *fty, neg) - .ok_or_else(|| { - LitToConstError::Reported(tcx.dcx().span_delayed_bug( - DUMMY_SP, - format!("couldn't parse float literal: {:?}", lit_input.lit), - )) - })? - .assert_int(); + let bits = + parse_float_into_scalar(*n, *fty, neg) + .ok_or_else(|| { + LitToConstError::Reported(tcx.dcx().delayed_bug(format!( + "couldn't parse float literal: {:?}", + lit_input.lit + ))) + })? + .assert_int(); ty::ValTree::from_scalar_int(bits) } (ast::LitKind::Char(c), ty::Char) => ty::ValTree::from_scalar_int((*c).into()), (ast::LitKind::Err, _) => { return Err(LitToConstError::Reported( - tcx.dcx().span_delayed_bug(DUMMY_SP, "encountered LitKind::Err during mir build"), + tcx.dcx().delayed_bug("encountered LitKind::Err during mir build"), )); } _ => return Err(LitToConstError::TypeError), diff --git a/compiler/rustc_mir_build/src/thir/pattern/check_match.rs b/compiler/rustc_mir_build/src/thir/pattern/check_match.rs index e9da12d118e..f6c5e4a5cd6 100644 --- a/compiler/rustc_mir_build/src/thir/pattern/check_match.rs +++ b/compiler/rustc_mir_build/src/thir/pattern/check_match.rs @@ -11,7 +11,9 @@ use rustc_arena::{DroplessArena, TypedArena}; use rustc_ast::Mutability; use rustc_data_structures::fx::FxIndexSet; use rustc_data_structures::stack::ensure_sufficient_stack; -use rustc_errors::{struct_span_err, Applicability, DiagnosticBuilder, ErrorGuaranteed, MultiSpan}; +use rustc_errors::{ + struct_span_code_err, Applicability, DiagnosticBuilder, ErrorGuaranteed, MultiSpan, +}; use rustc_hir as hir; use rustc_hir::def::*; use rustc_hir::def_id::LocalDefId; @@ -55,7 +57,7 @@ pub(crate) fn check_match(tcx: TyCtxt<'_>, def_id: LocalDefId) -> Result<(), Err } fn create_e0004(sess: &Session, sp: Span, error_message: String) -> DiagnosticBuilder<'_> { - struct_span_err!(sess.dcx(), sp, E0004, "{}", &error_message) + struct_span_code_err!(sess.dcx(), sp, E0004, "{}", &error_message) } #[derive(Debug, Copy, Clone, PartialEq)] @@ -430,7 +432,13 @@ impl<'p, 'tcx> MatchVisitor<'p, 'tcx> { } let scrut_ty = scrut.ty; - let report = analyze_match(&cx, &tarms, scrut_ty); + let report = match analyze_match(&cx, &tarms, scrut_ty) { + Ok(report) => report, + Err(err) => { + self.error = Err(err); + return; + } + }; match source { // Don't report arm reachability of desugared `match $iter.into_iter() { iter => .. }` @@ -544,7 +552,7 @@ impl<'p, 'tcx> MatchVisitor<'p, 'tcx> { let cx = self.new_cx(refutability, None, scrut, pat.span); let pat = self.lower_pattern(&cx, pat)?; let arms = [MatchArm { pat, arm_data: self.lint_level, has_guard: false }]; - let report = analyze_match(&cx, &arms, pat.ty().inner()); + let report = analyze_match(&cx, &arms, pat.ty().inner())?; Ok((cx, report)) } diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs index 43c5b3873b9..ce9043ec287 100644 --- a/compiler/rustc_mir_transform/src/lib.rs +++ b/compiler/rustc_mir_transform/src/lib.rs @@ -566,17 +566,28 @@ fn run_optimization_passes<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { body, &[ &check_alignment::CheckAlignment, - &lower_slice_len::LowerSliceLenCalls, // has to be done before inlining, otherwise actual call will be almost always inlined. Also simple, so can just do first + // Before inlining: trim down MIR with passes to reduce inlining work. + + // Has to be done before inlining, otherwise actual call will be almost always inlined. + // Also simple, so can just do first + &lower_slice_len::LowerSliceLenCalls, + // Perform inlining, which may add a lot of code. &inline::Inline, - // Substitutions during inlining may introduce switch on enums with uninhabited branches. + // Code from other crates may have storage markers, so this needs to happen after inlining. + &remove_storage_markers::RemoveStorageMarkers, + // Inlining and substitution may introduce ZST and useless drops. + &remove_zsts::RemoveZsts, + &remove_unneeded_drops::RemoveUnneededDrops, + // Type substitution may create uninhabited enums. &uninhabited_enum_branching::UninhabitedEnumBranching, &unreachable_prop::UnreachablePropagation, &o1(simplify::SimplifyCfg::AfterUninhabitedEnumBranching), - &remove_storage_markers::RemoveStorageMarkers, - &remove_zsts::RemoveZsts, - &normalize_array_len::NormalizeArrayLen, // has to run after `slice::len` lowering + // Inlining may have introduced a lot of redundant code and a large move pattern. + // Now, we need to shrink the generated MIR. + + // Has to run after `slice::len` lowering + &normalize_array_len::NormalizeArrayLen, &const_goto::ConstGoto, - &remove_unneeded_drops::RemoveUnneededDrops, &ref_prop::ReferencePropagation, &sroa::ScalarReplacementOfAggregates, &match_branches::MatchBranchSimplification, diff --git a/compiler/rustc_monomorphize/messages.ftl b/compiler/rustc_monomorphize/messages.ftl index e27875853df..94b553a07a7 100644 --- a/compiler/rustc_monomorphize/messages.ftl +++ b/compiler/rustc_monomorphize/messages.ftl @@ -20,6 +20,9 @@ monomorphize_recursion_limit = reached the recursion limit while instantiating `{$shrunk}` .note = `{$def_path_str}` defined here +monomorphize_start_not_found = using `fn main` requires the standard library + .help = use `#![no_main]` to bypass the Rust generated entrypoint and declare a platform specific entrypoint yourself, usually with `#[no_mangle]` + monomorphize_symbol_already_defined = symbol `{$symbol}` is already defined monomorphize_type_length_limit = reached the type-length limit while instantiating `{$shrunk}` diff --git a/compiler/rustc_monomorphize/src/collector.rs b/compiler/rustc_monomorphize/src/collector.rs index 44beafa0873..92f001cc321 100644 --- a/compiler/rustc_monomorphize/src/collector.rs +++ b/compiler/rustc_monomorphize/src/collector.rs @@ -194,7 +194,7 @@ use rustc_target::abi::Size; use std::path::PathBuf; use crate::errors::{ - EncounteredErrorWhileInstantiating, LargeAssignmentsLint, NoOptimizedMir, RecursionLimit, + self, EncounteredErrorWhileInstantiating, LargeAssignmentsLint, NoOptimizedMir, RecursionLimit, TypeLengthLimit, }; @@ -1272,7 +1272,9 @@ impl<'v> RootCollector<'_, 'v> { return; }; - let start_def_id = self.tcx.require_lang_item(LangItem::Start, None); + let Some(start_def_id) = self.tcx.lang_items().start_fn() else { + self.tcx.dcx().emit_fatal(errors::StartNotFound); + }; let main_ret_ty = self.tcx.fn_sig(main_def_id).no_bound_vars().unwrap().output(); // Given that `main()` has no arguments, diff --git a/compiler/rustc_monomorphize/src/errors.rs b/compiler/rustc_monomorphize/src/errors.rs index 2ca14673a58..bd89874b5cc 100644 --- a/compiler/rustc_monomorphize/src/errors.rs +++ b/compiler/rustc_monomorphize/src/errors.rs @@ -95,6 +95,11 @@ pub struct EncounteredErrorWhileInstantiating { } #[derive(Diagnostic)] +#[diag(monomorphize_start_not_found)] +#[help] +pub struct StartNotFound; + +#[derive(Diagnostic)] #[diag(monomorphize_unknown_cgu_collection_mode)] pub struct UnknownCguCollectionMode<'a> { pub mode: &'a str, diff --git a/compiler/rustc_monomorphize/src/partitioning.rs b/compiler/rustc_monomorphize/src/partitioning.rs index 08e62840839..2c40cd4d8f2 100644 --- a/compiler/rustc_monomorphize/src/partitioning.rs +++ b/compiler/rustc_monomorphize/src/partitioning.rs @@ -1093,7 +1093,7 @@ fn collect_and_partition_mono_items(tcx: TyCtxt<'_>, (): ()) -> (&DefIdSet, &[Co MonoItemCollectionMode::Eager } else { if mode != "lazy" { - tcx.dcx().emit_warning(UnknownCguCollectionMode { mode }); + tcx.dcx().emit_warn(UnknownCguCollectionMode { mode }); } MonoItemCollectionMode::Lazy diff --git a/compiler/rustc_parse/src/lexer/mod.rs b/compiler/rustc_parse/src/lexer/mod.rs index a45bc581240..7db9291921f 100644 --- a/compiler/rustc_parse/src/lexer/mod.rs +++ b/compiler/rustc_parse/src/lexer/mod.rs @@ -250,7 +250,7 @@ impl<'a> StringReader<'a> { if starts_with_number { let span = self.mk_sp(start, self.pos); self.dcx().struct_err("lifetimes cannot start with a number") - .span_mv(span) + .with_span(span) .stash(span, StashKey::LifetimeIsChar); } let ident = Symbol::intern(lifetime_name); @@ -397,7 +397,7 @@ impl<'a> StringReader<'a> { if !terminated { self.dcx() .struct_span_fatal(self.mk_sp(start, end), "unterminated character literal") - .code_mv(error_code!(E0762)) + .with_code(error_code!(E0762)) .emit() } self.cook_quoted(token::Char, Mode::Char, start, end, 1, 1) // ' ' @@ -409,7 +409,7 @@ impl<'a> StringReader<'a> { self.mk_sp(start + BytePos(1), end), "unterminated byte constant", ) - .code_mv(error_code!(E0763)) + .with_code(error_code!(E0763)) .emit() } self.cook_quoted(token::Byte, Mode::Byte, start, end, 2, 1) // b' ' @@ -421,7 +421,7 @@ impl<'a> StringReader<'a> { self.mk_sp(start, end), "unterminated double quote string", ) - .code_mv(error_code!(E0765)) + .with_code(error_code!(E0765)) .emit() } self.cook_quoted(token::Str, Mode::Str, start, end, 1, 1) // " " @@ -433,7 +433,7 @@ impl<'a> StringReader<'a> { self.mk_sp(start + BytePos(1), end), "unterminated double quote byte string", ) - .code_mv(error_code!(E0766)) + .with_code(error_code!(E0766)) .emit() } self.cook_quoted(token::ByteStr, Mode::ByteStr, start, end, 2, 1) // b" " @@ -445,7 +445,7 @@ impl<'a> StringReader<'a> { self.mk_sp(start + BytePos(1), end), "unterminated C string", ) - .code_mv(error_code!(E0767)) + .with_code(error_code!(E0767)) .emit() } self.cook_c_string(token::CStr, Mode::CStr, start, end, 2, 1) // c" " diff --git a/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs b/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs index 775082adbe8..fbc77f28780 100644 --- a/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs +++ b/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs @@ -264,14 +264,14 @@ pub(crate) fn emit_unescape_error( } EscapeError::UnskippedWhitespaceWarning => { let (c, char_span) = last_char(); - dcx.emit_warning(UnescapeError::UnskippedWhitespace { + dcx.emit_warn(UnescapeError::UnskippedWhitespace { span: err_span, ch: escaped_char(c), char_span, }); } EscapeError::MultipleSkippedLinesWarning => { - dcx.emit_warning(UnescapeError::MultipleSkippedLinesWarning(err_span)); + dcx.emit_warn(UnescapeError::MultipleSkippedLinesWarning(err_span)); } } } diff --git a/compiler/rustc_parse/src/lib.rs b/compiler/rustc_parse/src/lib.rs index d7604d7cebc..b93f08a21e3 100644 --- a/compiler/rustc_parse/src/lib.rs +++ b/compiler/rustc_parse/src/lib.rs @@ -246,8 +246,8 @@ pub fn parse_cfg_attr( match parse_in(parse_sess, tokens.clone(), "`cfg_attr` input", |p| p.parse_cfg_attr()) { Ok(r) => return Some(r), Err(e) => { - e.help_mv(format!("the valid syntax is `{CFG_ATTR_GRAMMAR_HELP}`")) - .note_mv(CFG_ATTR_NOTE_REF) + e.with_help(format!("the valid syntax is `{CFG_ATTR_GRAMMAR_HELP}`")) + .with_note(CFG_ATTR_NOTE_REF) .emit(); } } diff --git a/compiler/rustc_parse/src/parser/attr.rs b/compiler/rustc_parse/src/parser/attr.rs index cec657f7b67..02dab95233a 100644 --- a/compiler/rustc_parse/src/parser/attr.rs +++ b/compiler/rustc_parse/src/parser/attr.rs @@ -204,8 +204,11 @@ impl<'a> Parser<'a> { attr_sp, fluent::parse_inner_attr_not_permitted_after_outer_doc_comment, ) - .span_label_mv(attr_sp, fluent::parse_label_attr) - .span_label_mv(prev_doc_comment_span, fluent::parse_label_prev_doc_comment) + .with_span_label(attr_sp, fluent::parse_label_attr) + .with_span_label( + prev_doc_comment_span, + fluent::parse_label_prev_doc_comment, + ) } Some(InnerAttrForbiddenReason::AfterOuterAttribute { prev_outer_attr_sp }) => self .dcx() @@ -213,8 +216,8 @@ impl<'a> Parser<'a> { attr_sp, fluent::parse_inner_attr_not_permitted_after_outer_attr, ) - .span_label_mv(attr_sp, fluent::parse_label_attr) - .span_label_mv(prev_outer_attr_sp, fluent::parse_label_prev_attr), + .with_span_label(attr_sp, fluent::parse_label_attr) + .with_span_label(prev_outer_attr_sp, fluent::parse_label_prev_attr), Some(InnerAttrForbiddenReason::InCodeBlock) | None => { self.dcx().struct_span_err(attr_sp, fluent::parse_inner_attr_not_permitted) } diff --git a/compiler/rustc_parse/src/parser/diagnostics.rs b/compiler/rustc_parse/src/parser/diagnostics.rs index a9cf26d991c..720a610fdf5 100644 --- a/compiler/rustc_parse/src/parser/diagnostics.rs +++ b/compiler/rustc_parse/src/parser/diagnostics.rs @@ -2847,8 +2847,8 @@ impl<'a> Parser<'a> { let span = label.ident.span.to(self.prev_token.span); self.dcx() .struct_span_err(span, "block label not supported here") - .span_label_mv(span, "not supported here") - .tool_only_span_suggestion_mv( + .with_span_label(span, "not supported here") + .with_tool_only_span_suggestion( label.ident.span.until(self.token.span), "remove this block label", "", diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index db777266b59..8ca02452342 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -1753,7 +1753,7 @@ impl<'a> Parser<'a> { err: impl FnOnce(&Self) -> DiagnosticBuilder<'a>, ) -> L { if let Some(diag) = self.dcx().steal_diagnostic(lifetime.span, StashKey::LifetimeIsChar) { - diag.span_suggestion_verbose_mv( + diag.with_span_suggestion_verbose( lifetime.span.shrink_to_hi(), "add `'` to close the char literal", "'", @@ -1762,7 +1762,7 @@ impl<'a> Parser<'a> { .emit(); } else { err(self) - .span_suggestion_verbose_mv( + .with_span_suggestion_verbose( lifetime.span.shrink_to_hi(), "add `'` to close the char literal", "'", @@ -2150,7 +2150,7 @@ impl<'a> Parser<'a> { if [sym::i32, sym::u32, sym::isize, sym::usize].contains(&suffix) { // #59553: warn instead of reject out of hand to allow the fix to percolate // through the ecosystem when people fix their macros - self.dcx().emit_warning(errors::InvalidLiteralSuffixOnTupleIndex { + self.dcx().emit_warn(errors::InvalidLiteralSuffixOnTupleIndex { span, suffix, exception: Some(()), diff --git a/compiler/rustc_parse/src/parser/generics.rs b/compiler/rustc_parse/src/parser/generics.rs index 66aa8cbcda4..48cf04f7790 100644 --- a/compiler/rustc_parse/src/parser/generics.rs +++ b/compiler/rustc_parse/src/parser/generics.rs @@ -145,7 +145,7 @@ impl<'a> Parser<'a> { mistyped_const_ident.span, format!("`const` keyword was mistyped as `{}`", mistyped_const_ident.as_str()), ) - .span_suggestion_verbose_mv( + .with_span_suggestion_verbose( mistyped_const_ident.span, "use the `const` keyword", kw::Const.as_str(), diff --git a/compiler/rustc_parse/src/parser/item.rs b/compiler/rustc_parse/src/parser/item.rs index fed3c83a81d..bcff820da79 100644 --- a/compiler/rustc_parse/src/parser/item.rs +++ b/compiler/rustc_parse/src/parser/item.rs @@ -10,7 +10,7 @@ use rustc_ast::tokenstream::{DelimSpan, TokenStream, TokenTree}; use rustc_ast::util::case::Case; use rustc_ast::{self as ast}; use rustc_ast_pretty::pprust; -use rustc_errors::{struct_span_err, Applicability, PResult, StashKey}; +use rustc_errors::{struct_span_code_err, Applicability, PResult, StashKey}; use rustc_span::edit_distance::edit_distance; use rustc_span::edition::Edition; use rustc_span::source_map; @@ -741,11 +741,11 @@ impl<'a> Parser<'a> { Ok(Some(item)) => items.extend(item), Err(err) => { self.consume_block(Delimiter::Brace, ConsumeClosingDelim::Yes); - err.span_label_mv( + err.with_span_label( open_brace_span, "while parsing this item list starting here", ) - .span_label_mv(self.prev_token.span, "the item list ends here") + .with_span_label(self.prev_token.span, "the item list ends here") .emit(); break; } @@ -759,14 +759,14 @@ impl<'a> Parser<'a> { if let token::DocComment(..) = self.token.kind { if self.look_ahead(1, |tok| tok == &token::CloseDelim(Delimiter::Brace)) { // FIXME: merge with `DocCommentDoesNotDocumentAnything` (E0585) - struct_span_err!( + struct_span_code_err!( self.dcx(), self.token.span, E0584, "found a documentation comment that doesn't document anything", ) - .span_label_mv(self.token.span, "this doc comment doesn't document anything") - .help_mv( + .with_span_label(self.token.span, "this doc comment doesn't document anything") + .with_help( "doc comments must come before what they document, if a comment was \ intended use `//`", ) @@ -1218,7 +1218,7 @@ impl<'a> Parser<'a> { let before_trait = trai.path.span.shrink_to_lo(); let const_up_to_impl = const_span.with_hi(impl_span.lo()); - err.multipart_suggestion_mv( + err.with_multipart_suggestion( "you might have meant to write a const trait impl", vec![(const_up_to_impl, "".to_owned()), (before_trait, "const ".to_owned())], Applicability::MaybeIncorrect, @@ -1457,7 +1457,7 @@ impl<'a> Parser<'a> { if this.token == token::Not { if let Err(err) = this.unexpected::<()>() { - err.note_mv(fluent::parse_macro_expands_to_enum_variant).emit(); + err.with_note(fluent::parse_macro_expands_to_enum_variant).emit(); } this.bump(); @@ -1855,7 +1855,7 @@ impl<'a> Parser<'a> { if eq_typo || semi_typo { self.bump(); // Gracefully handle small typos. - err.span_suggestion_short_mv( + err.with_span_suggestion_short( self.prev_token.span, "field names and their types are separated with `:`", ":", @@ -1935,10 +1935,10 @@ impl<'a> Parser<'a> { lo.to(self.prev_token.span), format!("functions are not allowed in {adt_ty} definitions"), ) - .help_mv( + .with_help( "unlike in C++, Java, and C#, functions are declared in `impl` blocks", ) - .help_mv("see https://doc.rust-lang.org/book/ch05-03-method-syntax.html for more information") + .with_help("see https://doc.rust-lang.org/book/ch05-03-method-syntax.html for more information") } Err(err) => { err.cancel(); @@ -1954,7 +1954,9 @@ impl<'a> Parser<'a> { lo.with_hi(ident.span.hi()), format!("structs are not allowed in {adt_ty} definitions"), ) - .help_mv("consider creating a new `struct` definition instead of nesting"), + .with_help( + "consider creating a new `struct` definition instead of nesting", + ), Err(err) => { err.cancel(); self.restore_snapshot(snapshot); diff --git a/compiler/rustc_parse/src/parser/mod.rs b/compiler/rustc_parse/src/parser/mod.rs index c13adfb0532..ff2fb6271a8 100644 --- a/compiler/rustc_parse/src/parser/mod.rs +++ b/compiler/rustc_parse/src/parser/mod.rs @@ -847,7 +847,7 @@ impl<'a> Parser<'a> { pprust::token_to_string(&self.prev_token) ); expect_err - .span_suggestion_verbose_mv( + .with_span_suggestion_verbose( self.prev_token.span.shrink_to_hi().until(self.token.span), msg, " @ ", @@ -863,7 +863,7 @@ impl<'a> Parser<'a> { // Parsed successfully, therefore most probably the code only // misses a separator. expect_err - .span_suggestion_short_mv( + .with_span_suggestion_short( sp, format!("missing `{token_str}`"), token_str, diff --git a/compiler/rustc_parse/src/parser/pat.rs b/compiler/rustc_parse/src/parser/pat.rs index 00dc307ab60..7918e03750c 100644 --- a/compiler/rustc_parse/src/parser/pat.rs +++ b/compiler/rustc_parse/src/parser/pat.rs @@ -464,7 +464,7 @@ impl<'a> Parser<'a> { self_ .dcx() .struct_span_err(self_.token.span, msg) - .span_label_mv(self_.token.span, format!("expected {expected}")) + .with_span_label(self_.token.span, format!("expected {expected}")) }); PatKind::Lit(self.mk_expr(lo, ExprKind::Lit(lit))) } else { diff --git a/compiler/rustc_parse/src/parser/path.rs b/compiler/rustc_parse/src/parser/path.rs index 5ad17a30980..e7cad74b4dd 100644 --- a/compiler/rustc_parse/src/parser/path.rs +++ b/compiler/rustc_parse/src/parser/path.rs @@ -128,7 +128,7 @@ impl<'a> Parser<'a> { self.prev_token.span, "found single colon before projection in qualified path", ) - .span_suggestion_mv( + .with_span_suggestion( self.prev_token.span, "use double colon", "::", diff --git a/compiler/rustc_parse/src/parser/ty.rs b/compiler/rustc_parse/src/parser/ty.rs index 61d72857c36..a4fb92c67ac 100644 --- a/compiler/rustc_parse/src/parser/ty.rs +++ b/compiler/rustc_parse/src/parser/ty.rs @@ -1116,7 +1116,7 @@ impl<'a> Parser<'a> { let before_fn_path = fn_path.span.shrink_to_lo(); self.dcx() .struct_span_err(generic_args_span, "`Fn` traits cannot take lifetime parameters") - .multipart_suggestion_mv( + .with_multipart_suggestion( "consider using a higher-ranked trait bound instead", vec![(generic_args_span, "".to_owned()), (before_fn_path, snippet)], Applicability::MaybeIncorrect, diff --git a/compiler/rustc_parse/src/validate_attr.rs b/compiler/rustc_parse/src/validate_attr.rs index 724d574349a..2fafbd6d97b 100644 --- a/compiler/rustc_parse/src/validate_attr.rs +++ b/compiler/rustc_parse/src/validate_attr.rs @@ -208,7 +208,7 @@ fn emit_malformed_attribute( } else { sess.dcx .struct_span_err(span, error_msg) - .span_suggestions_mv( + .with_span_suggestions( span, if suggestions.len() == 1 { "must be of the form" diff --git a/compiler/rustc_passes/messages.ftl b/compiler/rustc_passes/messages.ftl index be50aad1303..d41cc724408 100644 --- a/compiler/rustc_passes/messages.ftl +++ b/compiler/rustc_passes/messages.ftl @@ -575,6 +575,11 @@ passes_outside_loop = passes_outside_loop_suggestion = consider labeling this block to be able to break within it +passes_panic_unwind_without_std = + unwinding panics are not supported without std + .note = since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem + .help = using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding + passes_params_not_allowed = referencing function parameters is not allowed in naked functions .help = follow the calling convention in asm block to use parameters diff --git a/compiler/rustc_passes/src/check_const.rs b/compiler/rustc_passes/src/check_const.rs index 3e5fb1a6b47..3e3f2771f5f 100644 --- a/compiler/rustc_passes/src/check_const.rs +++ b/compiler/rustc_passes/src/check_const.rs @@ -122,7 +122,7 @@ impl<'tcx> CheckConstVisitor<'tcx> { // corresponding feature gate. This encourages nightly users to use feature gates when // possible. None if tcx.sess.opts.unstable_opts.unleash_the_miri_inside_of_you => { - tcx.dcx().emit_warning(SkippingConstChecks { span }); + tcx.dcx().emit_warn(SkippingConstChecks { span }); return; } diff --git a/compiler/rustc_passes/src/errors.rs b/compiler/rustc_passes/src/errors.rs index d934e959a41..cf3c7cc4ace 100644 --- a/compiler/rustc_passes/src/errors.rs +++ b/compiler/rustc_passes/src/errors.rs @@ -813,6 +813,12 @@ pub struct UnknownExternLangItem { pub struct MissingPanicHandler; #[derive(Diagnostic)] +#[diag(passes_panic_unwind_without_std)] +#[help] +#[note] +pub struct PanicUnwindWithoutStd; + +#[derive(Diagnostic)] #[diag(passes_missing_lang_item)] #[note] #[help] diff --git a/compiler/rustc_passes/src/hir_id_validator.rs b/compiler/rustc_passes/src/hir_id_validator.rs index 0727bad7c5a..02f56ecb10b 100644 --- a/compiler/rustc_passes/src/hir_id_validator.rs +++ b/compiler/rustc_passes/src/hir_id_validator.rs @@ -31,7 +31,7 @@ pub fn check_crate(tcx: TyCtxt<'_>) { if !errors.is_empty() { let message = errors.iter().fold(String::new(), |s1, s2| s1 + "\n" + s2); - tcx.dcx().span_delayed_bug(rustc_span::DUMMY_SP, message); + tcx.dcx().delayed_bug(message); } } } diff --git a/compiler/rustc_passes/src/liveness.rs b/compiler/rustc_passes/src/liveness.rs index aba08e8b5ca..92687c705ae 100644 --- a/compiler/rustc_passes/src/liveness.rs +++ b/compiler/rustc_passes/src/liveness.rs @@ -98,7 +98,6 @@ use rustc_middle::query::Providers; use rustc_middle::ty::{self, RootVariableMinCaptureList, Ty, TyCtxt}; use rustc_session::lint; use rustc_span::symbol::{kw, sym, Symbol}; -use rustc_span::DUMMY_SP; use rustc_span::{BytePos, Span}; use std::io; @@ -560,7 +559,7 @@ impl<'a, 'tcx> Liveness<'a, 'tcx> { match self.successors[ln] { Some(successor) => self.assigned_on_entry(successor, var), None => { - self.ir.tcx.dcx().span_delayed_bug(DUMMY_SP, "no successor"); + self.ir.tcx.dcx().delayed_bug("no successor"); true } } diff --git a/compiler/rustc_passes/src/weak_lang_items.rs b/compiler/rustc_passes/src/weak_lang_items.rs index db3d442676e..4eb0c6c275e 100644 --- a/compiler/rustc_passes/src/weak_lang_items.rs +++ b/compiler/rustc_passes/src/weak_lang_items.rs @@ -9,7 +9,9 @@ use rustc_middle::middle::lang_items::required; use rustc_middle::ty::TyCtxt; use rustc_session::config::CrateType; -use crate::errors::{MissingLangItem, MissingPanicHandler, UnknownExternLangItem}; +use crate::errors::{ + MissingLangItem, MissingPanicHandler, PanicUnwindWithoutStd, UnknownExternLangItem, +}; /// Checks the crate for usage of weak lang items, returning a vector of all the /// language items required by this crate, but not defined yet. @@ -76,6 +78,8 @@ fn verify(tcx: TyCtxt<'_>, items: &lang_items::LanguageItems) { if missing.contains(&item) && required(tcx, item) && items.get(item).is_none() { if item == LangItem::PanicImpl { tcx.dcx().emit_err(MissingPanicHandler); + } else if item == LangItem::EhPersonality { + tcx.dcx().emit_err(PanicUnwindWithoutStd); } else { tcx.dcx().emit_err(MissingLangItem { name: item.name() }); } diff --git a/compiler/rustc_pattern_analysis/src/lib.rs b/compiler/rustc_pattern_analysis/src/lib.rs index 8ea8dd61ab4..b52643adcc9 100644 --- a/compiler/rustc_pattern_analysis/src/lib.rs +++ b/compiler/rustc_pattern_analysis/src/lib.rs @@ -24,6 +24,8 @@ use std::fmt; use rustc_index::Idx; #[cfg(feature = "rustc")] use rustc_middle::ty::Ty; +#[cfg(feature = "rustc")] +use rustc_span::ErrorGuaranteed; use crate::constructor::{Constructor, ConstructorSet}; #[cfg(feature = "rustc")] @@ -52,6 +54,8 @@ impl<'a, T: ?Sized> Captures<'a> for T {} pub trait TypeCx: Sized + fmt::Debug { /// The type of a pattern. type Ty: Copy + Clone + fmt::Debug; // FIXME: remove Copy + /// Errors that can abort analysis. + type Error: fmt::Debug; /// The index of an enum variant. type VariantIdx: Clone + Idx; /// A string literal @@ -73,7 +77,7 @@ pub trait TypeCx: Sized + fmt::Debug { /// The set of all the constructors for `ty`. /// /// This must follow the invariants of `ConstructorSet` - fn ctors_for_ty(&self, ty: Self::Ty) -> ConstructorSet<Self>; + fn ctors_for_ty(&self, ty: Self::Ty) -> Result<ConstructorSet<Self>, Self::Error>; /// Best-effort `Debug` implementation. fn debug_pat(f: &mut fmt::Formatter<'_>, pat: &DeconstructedPat<'_, Self>) -> fmt::Result; @@ -109,25 +113,25 @@ pub fn analyze_match<'p, 'tcx>( tycx: &RustcMatchCheckCtxt<'p, 'tcx>, arms: &[rustc::MatchArm<'p, 'tcx>], scrut_ty: Ty<'tcx>, -) -> rustc::UsefulnessReport<'p, 'tcx> { +) -> Result<rustc::UsefulnessReport<'p, 'tcx>, ErrorGuaranteed> { // Arena to store the extra wildcards we construct during analysis. let wildcard_arena = tycx.pattern_arena; let scrut_ty = tycx.reveal_opaque_ty(scrut_ty); let scrut_validity = ValidityConstraint::from_bool(tycx.known_valid_scrutinee); let cx = MatchCtxt { tycx, wildcard_arena }; - let report = compute_match_usefulness(cx, arms, scrut_ty, scrut_validity); + let report = compute_match_usefulness(cx, arms, scrut_ty, scrut_validity)?; let pat_column = PatternColumn::new(arms); // Lint on ranges that overlap on their endpoints, which is likely a mistake. - lint_overlapping_range_endpoints(cx, &pat_column); + lint_overlapping_range_endpoints(cx, &pat_column)?; // Run the non_exhaustive_omitted_patterns lint. Only run on refutable patterns to avoid hitting // `if let`s. Only run if the match is exhaustive otherwise the error is redundant. if tycx.refutable && report.non_exhaustiveness_witnesses.is_empty() { - lint_nonexhaustive_missing_variants(cx, arms, &pat_column, scrut_ty) + lint_nonexhaustive_missing_variants(cx, arms, &pat_column, scrut_ty)?; } - report + Ok(report) } diff --git a/compiler/rustc_pattern_analysis/src/lints.rs b/compiler/rustc_pattern_analysis/src/lints.rs index f1237ecf83c..52c9af85006 100644 --- a/compiler/rustc_pattern_analysis/src/lints.rs +++ b/compiler/rustc_pattern_analysis/src/lints.rs @@ -4,13 +4,14 @@ use rustc_data_structures::captures::Captures; use rustc_middle::ty; use rustc_session::lint; use rustc_session::lint::builtin::NON_EXHAUSTIVE_OMITTED_PATTERNS; -use rustc_span::Span; +use rustc_span::{ErrorGuaranteed, Span}; use crate::constructor::{IntRange, MaybeInfiniteInt}; use crate::errors::{ NonExhaustiveOmittedPattern, NonExhaustiveOmittedPatternLintOnArm, Overlap, OverlappingRangeEndpoints, Uncovered, }; +use crate::pat::PatOrWild; use crate::rustc::{ Constructor, DeconstructedPat, MatchArm, MatchCtxt, PlaceCtxt, RevealedTy, RustcMatchCheckCtxt, SplitConstructorSet, WitnessPat, @@ -23,9 +24,9 @@ use crate::rustc::{ /// the depth of patterns, whereas `compute_exhaustiveness_and_usefulness` is worst-case exponential /// (exhaustiveness is NP-complete). The core difference is that we treat sub-columns separately. /// -/// This must not contain an or-pattern. `specialize` takes care to expand them. +/// This must not contain an or-pattern. `expand_and_push` takes care to expand them. /// -/// This is not used in the main algorithm; only in lints. +/// This is not used in the usefulness algorithm; only in lints. #[derive(Debug)] pub(crate) struct PatternColumn<'p, 'tcx> { patterns: Vec<&'p DeconstructedPat<'p, 'tcx>>, @@ -33,28 +34,38 @@ pub(crate) struct PatternColumn<'p, 'tcx> { impl<'p, 'tcx> PatternColumn<'p, 'tcx> { pub(crate) fn new(arms: &[MatchArm<'p, 'tcx>]) -> Self { - let mut patterns = Vec::with_capacity(arms.len()); + let patterns = Vec::with_capacity(arms.len()); + let mut column = PatternColumn { patterns }; for arm in arms { - if arm.pat.is_or_pat() { - patterns.extend(arm.pat.flatten_or_pat()) - } else { - patterns.push(arm.pat) - } + column.expand_and_push(PatOrWild::Pat(arm.pat)); } - Self { patterns } + column } - - fn is_empty(&self) -> bool { - self.patterns.is_empty() + /// Pushes a pattern onto the column, expanding any or-patterns into its subpatterns. + /// Internal method, prefer [`PatternColumn::new`]. + fn expand_and_push(&mut self, pat: PatOrWild<'p, RustcMatchCheckCtxt<'p, 'tcx>>) { + // We flatten or-patterns and skip algorithm-generated wildcards. + if pat.is_or_pat() { + self.patterns.extend( + pat.flatten_or_pat().into_iter().filter_map(|pat_or_wild| pat_or_wild.as_pat()), + ) + } else if let Some(pat) = pat.as_pat() { + self.patterns.push(pat) + } } + fn head_ty(&self) -> Option<RevealedTy<'tcx>> { self.patterns.first().map(|pat| pat.ty()) } /// Do constructor splitting on the constructors of the column. - fn analyze_ctors(&self, pcx: &PlaceCtxt<'_, 'p, 'tcx>) -> SplitConstructorSet<'p, 'tcx> { + fn analyze_ctors( + &self, + pcx: &PlaceCtxt<'_, 'p, 'tcx>, + ) -> Result<SplitConstructorSet<'p, 'tcx>, ErrorGuaranteed> { let column_ctors = self.patterns.iter().map(|p| p.ctor()); - pcx.ctors_for_ty().split(pcx, column_ctors) + let ctors_for_ty = &pcx.ctors_for_ty()?; + Ok(ctors_for_ty.split(pcx, column_ctors)) } fn iter(&self) -> impl Iterator<Item = &'p DeconstructedPat<'p, 'tcx>> + Captures<'_> { @@ -83,23 +94,12 @@ impl<'p, 'tcx> PatternColumn<'p, 'tcx> { (0..arity).map(|_| Self { patterns: Vec::new() }).collect(); let relevant_patterns = self.patterns.iter().filter(|pat| ctor.is_covered_by(pcx, pat.ctor())); - let ctor_sub_tys = pcx.ctor_sub_tys(ctor); for pat in relevant_patterns { - let specialized = pat.specialize(pcx, ctor, ctor_sub_tys); - for (subpat, column) in specialized.iter().zip(&mut specialized_columns) { - if subpat.is_or_pat() { - column.patterns.extend(subpat.flatten_or_pat()) - } else { - column.patterns.push(subpat) - } + let specialized = pat.specialize(ctor, arity); + for (subpat, column) in specialized.into_iter().zip(&mut specialized_columns) { + column.expand_and_push(subpat); } } - - assert!( - !specialized_columns[0].is_empty(), - "ctor {ctor:?} was listed as present but isn't; - there is an inconsistency between `Constructor::is_covered_by` and `ConstructorSet::split`" - ); specialized_columns } } @@ -110,18 +110,18 @@ impl<'p, 'tcx> PatternColumn<'p, 'tcx> { fn collect_nonexhaustive_missing_variants<'a, 'p, 'tcx>( cx: MatchCtxt<'a, 'p, 'tcx>, column: &PatternColumn<'p, 'tcx>, -) -> Vec<WitnessPat<'p, 'tcx>> { +) -> Result<Vec<WitnessPat<'p, 'tcx>>, ErrorGuaranteed> { let Some(ty) = column.head_ty() else { - return Vec::new(); + return Ok(Vec::new()); }; let pcx = &PlaceCtxt::new_dummy(cx, ty); - let set = column.analyze_ctors(pcx); + let set = column.analyze_ctors(pcx)?; if set.present.is_empty() { // We can't consistently handle the case where no constructors are present (since this would // require digging deep through any type in case there's a non_exhaustive enum somewhere), // so for consistency we refuse to handle the top-level case, where we could handle it. - return vec![]; + return Ok(Vec::new()); } let mut witnesses = Vec::new(); @@ -141,7 +141,7 @@ fn collect_nonexhaustive_missing_variants<'a, 'p, 'tcx>( let wild_pat = WitnessPat::wild_from_ctor(pcx, ctor); for (i, col_i) in specialized_columns.iter().enumerate() { // Compute witnesses for each column. - let wits_for_col_i = collect_nonexhaustive_missing_variants(cx, col_i); + let wits_for_col_i = collect_nonexhaustive_missing_variants(cx, col_i)?; // For each witness, we build a new pattern in the shape of `ctor(_, _, wit, _, _)`, // adding enough wildcards to match `arity`. for wit in wits_for_col_i { @@ -151,7 +151,7 @@ fn collect_nonexhaustive_missing_variants<'a, 'p, 'tcx>( } } } - witnesses + Ok(witnesses) } pub(crate) fn lint_nonexhaustive_missing_variants<'a, 'p, 'tcx>( @@ -159,13 +159,13 @@ pub(crate) fn lint_nonexhaustive_missing_variants<'a, 'p, 'tcx>( arms: &[MatchArm<'p, 'tcx>], pat_column: &PatternColumn<'p, 'tcx>, scrut_ty: RevealedTy<'tcx>, -) { +) -> Result<(), ErrorGuaranteed> { let rcx: &RustcMatchCheckCtxt<'_, '_> = cx.tycx; if !matches!( rcx.tcx.lint_level_at_node(NON_EXHAUSTIVE_OMITTED_PATTERNS, rcx.match_lint_level).0, rustc_session::lint::Level::Allow ) { - let witnesses = collect_nonexhaustive_missing_variants(cx, pat_column); + let witnesses = collect_nonexhaustive_missing_variants(cx, pat_column)?; if !witnesses.is_empty() { // Report that a match of a `non_exhaustive` enum marked with `non_exhaustive_omitted_patterns` // is not exhaustive enough. @@ -204,6 +204,7 @@ pub(crate) fn lint_nonexhaustive_missing_variants<'a, 'p, 'tcx>( } } } + Ok(()) } /// Traverse the patterns to warn the user about ranges that overlap on their endpoints. @@ -211,14 +212,14 @@ pub(crate) fn lint_nonexhaustive_missing_variants<'a, 'p, 'tcx>( pub(crate) fn lint_overlapping_range_endpoints<'a, 'p, 'tcx>( cx: MatchCtxt<'a, 'p, 'tcx>, column: &PatternColumn<'p, 'tcx>, -) { +) -> Result<(), ErrorGuaranteed> { let Some(ty) = column.head_ty() else { - return; + return Ok(()); }; let pcx = &PlaceCtxt::new_dummy(cx, ty); let rcx: &RustcMatchCheckCtxt<'_, '_> = cx.tycx; - let set = column.analyze_ctors(pcx); + let set = column.analyze_ctors(pcx)?; if matches!(ty.kind(), ty::Char | ty::Int(_) | ty::Uint(_)) { let emit_lint = |overlap: &IntRange, this_span: Span, overlapped_spans: &[Span]| { @@ -275,8 +276,9 @@ pub(crate) fn lint_overlapping_range_endpoints<'a, 'p, 'tcx>( // Recurse into the fields. for ctor in set.present { for col in column.specialize(pcx, &ctor) { - lint_overlapping_range_endpoints(cx, &col); + lint_overlapping_range_endpoints(cx, &col)?; } } } + Ok(()) } diff --git a/compiler/rustc_pattern_analysis/src/pat.rs b/compiler/rustc_pattern_analysis/src/pat.rs index 4438d20a357..2f5dc241cb7 100644 --- a/compiler/rustc_pattern_analysis/src/pat.rs +++ b/compiler/rustc_pattern_analysis/src/pat.rs @@ -50,14 +50,6 @@ impl<'p, Cx: TypeCx> DeconstructedPat<'p, Cx> { pub(crate) fn is_or_pat(&self) -> bool { matches!(self.ctor, Or) } - /// Expand this (possibly-nested) or-pattern into its alternatives. - pub(crate) fn flatten_or_pat(&self) -> SmallVec<[&Self; 1]> { - if self.is_or_pat() { - self.iter_fields().flat_map(|p| p.flatten_or_pat()).collect() - } else { - smallvec![self] - } - } pub fn ctor(&self) -> &Constructor<Cx> { &self.ctor @@ -79,17 +71,10 @@ impl<'p, Cx: TypeCx> DeconstructedPat<'p, Cx> { /// `other_ctor` can be different from `self.ctor`, but must be covered by it. pub(crate) fn specialize( &self, - pcx: &PlaceCtxt<'_, 'p, Cx>, other_ctor: &Constructor<Cx>, - ctor_sub_tys: &[Cx::Ty], - ) -> SmallVec<[&'p DeconstructedPat<'p, Cx>; 2]> { - let wildcard_sub_tys = || { - ctor_sub_tys - .iter() - .map(|ty| DeconstructedPat::wildcard(*ty)) - .map(|pat| pcx.mcx.wildcard_arena.alloc(pat) as &_) - .collect() - }; + ctor_arity: usize, + ) -> SmallVec<[PatOrWild<'p, Cx>; 2]> { + let wildcard_sub_tys = || (0..ctor_arity).map(|_| PatOrWild::Wild).collect(); match (&self.ctor, other_ctor) { // Return a wildcard for each field of `other_ctor`. (Wildcard, _) => wildcard_sub_tys(), @@ -105,14 +90,15 @@ impl<'p, Cx: TypeCx> DeconstructedPat<'p, Cx> { // Fill in the fields from both ends. let new_arity = fields.len(); for i in 0..prefix { - fields[i] = &self.fields[i]; + fields[i] = PatOrWild::Pat(&self.fields[i]); } for i in 0..suffix { - fields[new_arity - 1 - i] = &self.fields[self.fields.len() - 1 - i]; + fields[new_arity - 1 - i] = + PatOrWild::Pat(&self.fields[self.fields.len() - 1 - i]); } fields } - _ => self.fields.iter().collect(), + _ => self.fields.iter().map(PatOrWild::Pat).collect(), } } @@ -153,14 +139,86 @@ impl<'p, Cx: TypeCx> DeconstructedPat<'p, Cx> { } } -/// This is mostly copied from the `Pat` impl. This is best effort and not good enough for a -/// `Display` impl. +/// This is best effort and not good enough for a `Display` impl. impl<'p, Cx: TypeCx> fmt::Debug for DeconstructedPat<'p, Cx> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { Cx::debug_pat(f, self) } } +/// Represents either a pattern obtained from user input or a wildcard constructed during the +/// algorithm. Do not use `Wild` to represent a wildcard pattern comping from user input. +/// +/// This is morally `Option<&'p DeconstructedPat>` where `None` is interpreted as a wildcard. +#[derive(derivative::Derivative)] +#[derivative(Clone(bound = ""), Copy(bound = ""))] +pub(crate) enum PatOrWild<'p, Cx: TypeCx> { + /// A non-user-provided wildcard, created during specialization. + Wild, + /// A user-provided pattern. + Pat(&'p DeconstructedPat<'p, Cx>), +} + +impl<'p, Cx: TypeCx> PatOrWild<'p, Cx> { + pub(crate) fn as_pat(&self) -> Option<&'p DeconstructedPat<'p, Cx>> { + match self { + PatOrWild::Wild => None, + PatOrWild::Pat(pat) => Some(pat), + } + } + pub(crate) fn ctor(self) -> &'p Constructor<Cx> { + match self { + PatOrWild::Wild => &Wildcard, + PatOrWild::Pat(pat) => pat.ctor(), + } + } + + pub(crate) fn is_or_pat(&self) -> bool { + match self { + PatOrWild::Wild => false, + PatOrWild::Pat(pat) => pat.is_or_pat(), + } + } + + /// Expand this (possibly-nested) or-pattern into its alternatives. + pub(crate) fn flatten_or_pat(self) -> SmallVec<[Self; 1]> { + match self { + PatOrWild::Pat(pat) if pat.is_or_pat() => { + pat.iter_fields().flat_map(|p| PatOrWild::Pat(p).flatten_or_pat()).collect() + } + _ => smallvec![self], + } + } + + /// Specialize this pattern with a constructor. + /// `other_ctor` can be different from `self.ctor`, but must be covered by it. + pub(crate) fn specialize( + &self, + other_ctor: &Constructor<Cx>, + ctor_arity: usize, + ) -> SmallVec<[PatOrWild<'p, Cx>; 2]> { + match self { + PatOrWild::Wild => (0..ctor_arity).map(|_| PatOrWild::Wild).collect(), + PatOrWild::Pat(pat) => pat.specialize(other_ctor, ctor_arity), + } + } + + pub(crate) fn set_useful(&self) { + if let PatOrWild::Pat(pat) = self { + pat.set_useful() + } + } +} + +impl<'p, Cx: TypeCx> fmt::Debug for PatOrWild<'p, Cx> { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + match self { + PatOrWild::Wild => write!(f, "_"), + PatOrWild::Pat(pat) => pat.fmt(f), + } + } +} + /// Same idea as `DeconstructedPat`, except this is a fictitious pattern built up for diagnostics /// purposes. As such they don't use interning and can be cloned. #[derive(derivative::Derivative)] diff --git a/compiler/rustc_pattern_analysis/src/rustc.rs b/compiler/rustc_pattern_analysis/src/rustc.rs index b6f67b7c56f..a8d1bece613 100644 --- a/compiler/rustc_pattern_analysis/src/rustc.rs +++ b/compiler/rustc_pattern_analysis/src/rustc.rs @@ -12,7 +12,9 @@ use rustc_middle::mir::interpret::Scalar; use rustc_middle::mir::{self, Const}; use rustc_middle::thir::{FieldPat, Pat, PatKind, PatRange, PatRangeBoundary}; use rustc_middle::ty::layout::IntegerExt; +use rustc_middle::ty::TypeVisitableExt; use rustc_middle::ty::{self, OpaqueTypeKey, Ty, TyCtxt, VariantDef}; +use rustc_span::ErrorGuaranteed; use rustc_span::{Span, DUMMY_SP}; use rustc_target::abi::{FieldIdx, Integer, VariantIdx, FIRST_VARIANT}; use smallvec::SmallVec; @@ -302,7 +304,10 @@ impl<'p, 'tcx> RustcMatchCheckCtxt<'p, 'tcx> { /// /// See [`crate::constructor`] for considerations of emptiness. #[instrument(level = "debug", skip(self), ret)] - pub fn ctors_for_ty(&self, ty: RevealedTy<'tcx>) -> ConstructorSet<'p, 'tcx> { + pub fn ctors_for_ty( + &self, + ty: RevealedTy<'tcx>, + ) -> Result<ConstructorSet<'p, 'tcx>, ErrorGuaranteed> { let cx = self; let make_uint_range = |start, end| { IntRange::from_range( @@ -311,9 +316,11 @@ impl<'p, 'tcx> RustcMatchCheckCtxt<'p, 'tcx> { RangeEnd::Included, ) }; + // Abort on type error. + ty.error_reported()?; // This determines the set of all possible constructors for the type `ty`. For numbers, // arrays and slices we use ranges and variable-length slices when appropriate. - match ty.kind() { + Ok(match ty.kind() { ty::Bool => ConstructorSet::Bool, ty::Char => { // The valid Unicode Scalar Value ranges. @@ -423,7 +430,7 @@ impl<'p, 'tcx> RustcMatchCheckCtxt<'p, 'tcx> { ty::CoroutineWitness(_, _) | ty::Bound(_, _) | ty::Placeholder(_) | ty::Infer(_) => { bug!("Encountered unexpected type in `ConstructorSet::for_ty`: {ty:?}") } - } + }) } pub(crate) fn lower_pat_range_bdy( @@ -944,6 +951,7 @@ impl<'p, 'tcx> RustcMatchCheckCtxt<'p, 'tcx> { impl<'p, 'tcx> TypeCx for RustcMatchCheckCtxt<'p, 'tcx> { type Ty = RevealedTy<'tcx>; + type Error = ErrorGuaranteed; type VariantIdx = VariantIdx; type StrLit = Const<'tcx>; type ArmData = HirId; @@ -963,7 +971,10 @@ impl<'p, 'tcx> TypeCx for RustcMatchCheckCtxt<'p, 'tcx> { ) -> &[Self::Ty] { self.ctor_sub_tys(ctor, ty) } - fn ctors_for_ty(&self, ty: Self::Ty) -> crate::constructor::ConstructorSet<Self> { + fn ctors_for_ty( + &self, + ty: Self::Ty, + ) -> Result<crate::constructor::ConstructorSet<Self>, Self::Error> { self.ctors_for_ty(ty) } diff --git a/compiler/rustc_pattern_analysis/src/usefulness.rs b/compiler/rustc_pattern_analysis/src/usefulness.rs index 16bf709881b..b4935d280e6 100644 --- a/compiler/rustc_pattern_analysis/src/usefulness.rs +++ b/compiler/rustc_pattern_analysis/src/usefulness.rs @@ -716,7 +716,7 @@ use smallvec::{smallvec, SmallVec}; use std::fmt; use crate::constructor::{Constructor, ConstructorSet}; -use crate::pat::{DeconstructedPat, WitnessPat}; +use crate::pat::{DeconstructedPat, PatOrWild, WitnessPat}; use crate::{Captures, MatchArm, MatchCtxt, TypeCx}; use self::ValidityConstraint::*; @@ -753,7 +753,7 @@ impl<'a, 'p, Cx: TypeCx> PlaceCtxt<'a, 'p, Cx> { pub(crate) fn ctor_sub_tys(&self, ctor: &Constructor<Cx>) -> &[Cx::Ty] { self.mcx.tycx.ctor_sub_tys(ctor, self.ty) } - pub(crate) fn ctors_for_ty(&self) -> ConstructorSet<Cx> { + pub(crate) fn ctors_for_ty(&self) -> Result<ConstructorSet<Cx>, Cx::Error> { self.mcx.tycx.ctors_for_ty(self.ty) } } @@ -827,7 +827,7 @@ impl fmt::Display for ValidityConstraint { #[derivative(Clone(bound = ""))] struct PatStack<'p, Cx: TypeCx> { // Rows of len 1 are very common, which is why `SmallVec[_; 2]` works well. - pats: SmallVec<[&'p DeconstructedPat<'p, Cx>; 2]>, + pats: SmallVec<[PatOrWild<'p, Cx>; 2]>, /// Sometimes we know that as far as this row is concerned, the current case is already handled /// by a different, more general, case. When the case is irrelevant for all rows this allows us /// to skip a case entirely. This is purely an optimization. See at the top for details. @@ -836,7 +836,7 @@ struct PatStack<'p, Cx: TypeCx> { impl<'p, Cx: TypeCx> PatStack<'p, Cx> { fn from_pattern(pat: &'p DeconstructedPat<'p, Cx>) -> Self { - PatStack { pats: smallvec![pat], relevant: true } + PatStack { pats: smallvec![PatOrWild::Pat(pat)], relevant: true } } fn is_empty(&self) -> bool { @@ -847,14 +847,11 @@ impl<'p, Cx: TypeCx> PatStack<'p, Cx> { self.pats.len() } - fn head_opt(&self) -> Option<&'p DeconstructedPat<'p, Cx>> { - self.pats.first().copied() - } - fn head(&self) -> &'p DeconstructedPat<'p, Cx> { - self.head_opt().unwrap() + fn head(&self) -> PatOrWild<'p, Cx> { + self.pats[0] } - fn iter(&self) -> impl Iterator<Item = &'p DeconstructedPat<'p, Cx>> + Captures<'_> { + fn iter(&self) -> impl Iterator<Item = PatOrWild<'p, Cx>> + Captures<'_> { self.pats.iter().copied() } @@ -872,14 +869,13 @@ impl<'p, Cx: TypeCx> PatStack<'p, Cx> { /// Only call if `ctor.is_covered_by(self.head().ctor())` is true. fn pop_head_constructor( &self, - pcx: &PlaceCtxt<'_, 'p, Cx>, ctor: &Constructor<Cx>, - ctor_sub_tys: &[Cx::Ty], + ctor_arity: usize, ctor_is_relevant: bool, ) -> PatStack<'p, Cx> { // We pop the head pattern and push the new fields extracted from the arguments of // `self.head()`. - let mut new_pats = self.head().specialize(pcx, ctor, ctor_sub_tys); + let mut new_pats = self.head().specialize(ctor, ctor_arity); new_pats.extend_from_slice(&self.pats[1..]); // `ctor` is relevant for this row if it is the actual constructor of this row, or if the // row has a wildcard and `ctor` is relevant for wildcards. @@ -926,11 +922,11 @@ impl<'p, Cx: TypeCx> MatrixRow<'p, Cx> { self.pats.len() } - fn head(&self) -> &'p DeconstructedPat<'p, Cx> { + fn head(&self) -> PatOrWild<'p, Cx> { self.pats.head() } - fn iter(&self) -> impl Iterator<Item = &'p DeconstructedPat<'p, Cx>> + Captures<'_> { + fn iter(&self) -> impl Iterator<Item = PatOrWild<'p, Cx>> + Captures<'_> { self.pats.iter() } @@ -949,14 +945,13 @@ impl<'p, Cx: TypeCx> MatrixRow<'p, Cx> { /// Only call if `ctor.is_covered_by(self.head().ctor())` is true. fn pop_head_constructor( &self, - pcx: &PlaceCtxt<'_, 'p, Cx>, ctor: &Constructor<Cx>, - ctor_sub_tys: &[Cx::Ty], + ctor_arity: usize, ctor_is_relevant: bool, parent_row: usize, ) -> MatrixRow<'p, Cx> { MatrixRow { - pats: self.pats.pop_head_constructor(pcx, ctor, ctor_sub_tys, ctor_is_relevant), + pats: self.pats.pop_head_constructor(ctor, ctor_arity, ctor_is_relevant), parent_row, is_under_guard: self.is_under_guard, useful: false, @@ -1054,7 +1049,7 @@ impl<'p, Cx: TypeCx> Matrix<'p, Cx> { } /// Iterate over the first pattern of each row. - fn heads(&self) -> impl Iterator<Item = &'p DeconstructedPat<'p, Cx>> + Clone + Captures<'_> { + fn heads(&self) -> impl Iterator<Item = PatOrWild<'p, Cx>> + Clone + Captures<'_> { self.rows().map(|r| r.head()) } @@ -1066,11 +1061,12 @@ impl<'p, Cx: TypeCx> Matrix<'p, Cx> { ctor_is_relevant: bool, ) -> Matrix<'p, Cx> { let ctor_sub_tys = pcx.ctor_sub_tys(ctor); + let arity = ctor_sub_tys.len(); let specialized_place_ty = ctor_sub_tys.iter().chain(self.place_ty[1..].iter()).copied().collect(); let ctor_sub_validity = self.place_validity[0].specialize(ctor); let specialized_place_validity = std::iter::repeat(ctor_sub_validity) - .take(ctor.arity(pcx)) + .take(arity) .chain(self.place_validity[1..].iter().copied()) .collect(); let mut matrix = Matrix { @@ -1081,8 +1077,7 @@ impl<'p, Cx: TypeCx> Matrix<'p, Cx> { }; for (i, row) in self.rows().enumerate() { if ctor.is_covered_by(pcx, row.head().ctor()) { - let new_row = - row.pop_head_constructor(pcx, ctor, ctor_sub_tys, ctor_is_relevant, i); + let new_row = row.pop_head_constructor(ctor, arity, ctor_is_relevant, i); matrix.expand_and_push(new_row); } } @@ -1341,14 +1336,14 @@ fn compute_exhaustiveness_and_usefulness<'a, 'p, Cx: TypeCx>( mcx: MatchCtxt<'a, 'p, Cx>, matrix: &mut Matrix<'p, Cx>, is_top_level: bool, -) -> WitnessMatrix<Cx> { +) -> Result<WitnessMatrix<Cx>, Cx::Error> { debug_assert!(matrix.rows().all(|r| r.len() == matrix.column_count())); if !matrix.wildcard_row_is_relevant && matrix.rows().all(|r| !r.pats.relevant) { // Here we know that nothing will contribute further to exhaustiveness or usefulness. This // is purely an optimization: skipping this check doesn't affect correctness. See the top of // the file for details. - return WitnessMatrix::empty(); + return Ok(WitnessMatrix::empty()); } let Some(ty) = matrix.head_ty() else { @@ -1360,16 +1355,16 @@ fn compute_exhaustiveness_and_usefulness<'a, 'p, Cx: TypeCx>( // When there's an unguarded row, the match is exhaustive and any subsequent row is not // useful. if !row.is_under_guard { - return WitnessMatrix::empty(); + return Ok(WitnessMatrix::empty()); } } // No (unguarded) rows, so the match is not exhaustive. We return a new witness unless // irrelevant. return if matrix.wildcard_row_is_relevant { - WitnessMatrix::unit_witness() + Ok(WitnessMatrix::unit_witness()) } else { // We choose to not report anything here; see at the top for details. - WitnessMatrix::empty() + Ok(WitnessMatrix::empty()) }; }; @@ -1383,7 +1378,7 @@ fn compute_exhaustiveness_and_usefulness<'a, 'p, Cx: TypeCx>( // Analyze the constructors present in this column. let ctors = matrix.heads().map(|p| p.ctor()); - let ctors_for_ty = pcx.ctors_for_ty(); + let ctors_for_ty = pcx.ctors_for_ty()?; let is_integers = matches!(ctors_for_ty, ConstructorSet::Integers { .. }); // For diagnostics. let split_set = ctors_for_ty.split(pcx, ctors); let all_missing = split_set.present.is_empty(); @@ -1422,7 +1417,7 @@ fn compute_exhaustiveness_and_usefulness<'a, 'p, Cx: TypeCx>( let mut spec_matrix = matrix.specialize_constructor(pcx, &ctor, ctor_is_relevant); let mut witnesses = ensure_sufficient_stack(|| { compute_exhaustiveness_and_usefulness(mcx, &mut spec_matrix, false) - }); + })?; // Transform witnesses for `spec_matrix` into witnesses for `matrix`. witnesses.apply_constructor(pcx, &missing_ctors, &ctor, report_individual_missing_ctors); @@ -1443,7 +1438,7 @@ fn compute_exhaustiveness_and_usefulness<'a, 'p, Cx: TypeCx>( } } - ret + Ok(ret) } /// Indicates whether or not a given arm is useful. @@ -1474,9 +1469,10 @@ pub fn compute_match_usefulness<'p, Cx: TypeCx>( arms: &[MatchArm<'p, Cx>], scrut_ty: Cx::Ty, scrut_validity: ValidityConstraint, -) -> UsefulnessReport<'p, Cx> { +) -> Result<UsefulnessReport<'p, Cx>, Cx::Error> { let mut matrix = Matrix::new(arms, scrut_ty, scrut_validity); - let non_exhaustiveness_witnesses = compute_exhaustiveness_and_usefulness(cx, &mut matrix, true); + let non_exhaustiveness_witnesses = + compute_exhaustiveness_and_usefulness(cx, &mut matrix, true)?; let non_exhaustiveness_witnesses: Vec<_> = non_exhaustiveness_witnesses.single_column(); let arm_usefulness: Vec<_> = arms @@ -1493,5 +1489,5 @@ pub fn compute_match_usefulness<'p, Cx: TypeCx>( (arm, usefulness) }) .collect(); - UsefulnessReport { arm_usefulness, non_exhaustiveness_witnesses } + Ok(UsefulnessReport { arm_usefulness, non_exhaustiveness_witnesses }) } diff --git a/compiler/rustc_query_system/src/query/plumbing.rs b/compiler/rustc_query_system/src/query/plumbing.rs index c5a0cc753a8..3bb2cc5634f 100644 --- a/compiler/rustc_query_system/src/query/plumbing.rs +++ b/compiler/rustc_query_system/src/query/plumbing.rs @@ -431,17 +431,14 @@ where // We have an inconsistency. This can happen if one of the two // results is tainted by errors. In this case, delay a bug to // ensure compilation is doomed. - qcx.dep_context().sess().dcx().span_delayed_bug( - DUMMY_SP, - format!( - "Computed query value for {:?}({:?}) is inconsistent with fed value,\n\ + qcx.dep_context().sess().dcx().delayed_bug(format!( + "Computed query value for {:?}({:?}) is inconsistent with fed value,\n\ computed={:#?}\nfed={:#?}", - query.dep_kind(), - key, - formatter(&result), - formatter(&cached_result), - ), - ); + query.dep_kind(), + key, + formatter(&result), + formatter(&cached_result), + )); } } } diff --git a/compiler/rustc_resolve/src/build_reduced_graph.rs b/compiler/rustc_resolve/src/build_reduced_graph.rs index e176b8b4043..9ccfde5e3c6 100644 --- a/compiler/rustc_resolve/src/build_reduced_graph.rs +++ b/compiler/rustc_resolve/src/build_reduced_graph.rs @@ -19,7 +19,7 @@ use rustc_ast::{self as ast, AssocItem, AssocItemKind, MetaItemKind, StmtKind}; use rustc_ast::{Block, Fn, ForeignItem, ForeignItemKind, Impl, Item, ItemKind, NodeId}; use rustc_attr as attr; use rustc_data_structures::sync::Lrc; -use rustc_errors::{struct_span_err, Applicability}; +use rustc_errors::{struct_span_code_err, Applicability}; use rustc_expand::expand::AstFragment; use rustc_hir::def::{self, *}; use rustc_hir::def_id::{DefId, LocalDefId, CRATE_DEF_ID}; @@ -818,7 +818,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { self.r .dcx() .struct_span_err(item.span, "`extern crate self;` requires renaming") - .span_suggestion_mv( + .with_span_suggestion( item.span, "rename the `self` crate to be able to import it", "extern crate self as name;", @@ -999,7 +999,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { let msg = format!("`{name}` is already in scope"); let note = "macro-expanded `#[macro_use]`s may not shadow existing macros (see RFC 1560)"; - self.r.dcx().struct_span_err(span, msg).note_mv(note).emit(); + self.r.dcx().struct_span_err(span, msg).with_note(note).emit(); } } @@ -1010,7 +1010,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { for attr in &item.attrs { if attr.has_name(sym::macro_use) { if self.parent_scope.module.parent.is_some() { - struct_span_err!( + struct_span_code_err!( self.r.dcx(), item.span, E0468, @@ -1024,7 +1024,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { } } let ill_formed = |span| { - struct_span_err!(self.r.dcx(), span, E0466, "bad macro import").emit(); + struct_span_code_err!(self.r.dcx(), span, E0466, "bad macro import").emit(); }; match attr.meta() { Some(meta) => match meta.kind { @@ -1095,8 +1095,13 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { allow_shadowing, ); } else { - struct_span_err!(self.r.dcx(), ident.span, E0469, "imported macro not found") - .emit(); + struct_span_code_err!( + self.r.dcx(), + ident.span, + E0469, + "imported macro not found" + ) + .emit(); } } } diff --git a/compiler/rustc_resolve/src/check_unused.rs b/compiler/rustc_resolve/src/check_unused.rs index 3b1f957c890..0e43a35ce73 100644 --- a/compiler/rustc_resolve/src/check_unused.rs +++ b/compiler/rustc_resolve/src/check_unused.rs @@ -20,7 +20,7 @@ // separate step to be able to collapse the adjacent spans that rustfix // will remove // -// - `check_crate` finally emits the diagnostics based on the data generated +// - `check_unused` finally emits the diagnostics based on the data generated // in the last step use crate::imports::ImportKind; diff --git a/compiler/rustc_resolve/src/diagnostics.rs b/compiler/rustc_resolve/src/diagnostics.rs index 57f23200e79..0d744238eeb 100644 --- a/compiler/rustc_resolve/src/diagnostics.rs +++ b/compiler/rustc_resolve/src/diagnostics.rs @@ -6,7 +6,7 @@ use rustc_ast::{MetaItemKind, NestedMetaItem}; use rustc_ast_pretty::pprust; use rustc_data_structures::fx::FxHashSet; use rustc_errors::{ - pluralize, report_ambiguity_error, struct_span_err, Applicability, DiagCtxt, Diagnostic, + pluralize, report_ambiguity_error, struct_span_code_err, Applicability, DiagCtxt, Diagnostic, DiagnosticBuilder, ErrorGuaranteed, MultiSpan, SuggestionStyle, }; use rustc_feature::BUILTIN_ATTRIBUTES; @@ -153,7 +153,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { BuiltinLintDiagnostics::AmbiguousGlobImports { diag }, ); } else { - let mut err = struct_span_err!(self.dcx(), diag.span, E0659, "{}", &diag.msg); + let mut err = struct_span_code_err!(self.dcx(), diag.span, E0659, "{}", &diag.msg); report_ambiguity_error(&mut err, diag); err.emit(); } @@ -254,15 +254,15 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { let msg = format!("the name `{name}` is defined multiple times"); let mut err = match (old_binding.is_extern_crate(), new_binding.is_extern_crate()) { - (true, true) => struct_span_err!(self.dcx(), span, E0259, "{}", msg), + (true, true) => struct_span_code_err!(self.dcx(), span, E0259, "{}", msg), (true, _) | (_, true) => match new_binding.is_import() && old_binding.is_import() { - true => struct_span_err!(self.dcx(), span, E0254, "{}", msg), - false => struct_span_err!(self.dcx(), span, E0260, "{}", msg), + true => struct_span_code_err!(self.dcx(), span, E0254, "{}", msg), + false => struct_span_code_err!(self.dcx(), span, E0260, "{}", msg), }, _ => match (old_binding.is_import_user_facing(), new_binding.is_import_user_facing()) { - (false, false) => struct_span_err!(self.dcx(), span, E0428, "{}", msg), - (true, true) => struct_span_err!(self.dcx(), span, E0252, "{}", msg), - _ => struct_span_err!(self.dcx(), span, E0255, "{}", msg), + (false, false) => struct_span_code_err!(self.dcx(), span, E0428, "{}", msg), + (true, true) => struct_span_code_err!(self.dcx(), span, E0252, "{}", msg), + _ => struct_span_code_err!(self.dcx(), span, E0255, "{}", msg), }, }; @@ -659,7 +659,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { let origin_sp = origin.iter().copied().collect::<Vec<_>>(); let msp = MultiSpan::from_spans(target_sp.clone()); - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( self.dcx(), msp, E0408, @@ -788,7 +788,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { } ResolutionError::FailedToResolve { last_segment, label, suggestion, module } => { let mut err = - struct_span_err!(self.dcx(), span, E0433, "failed to resolve: {}", &label); + struct_span_code_err!(self.dcx(), span, E0433, "failed to resolve: {}", &label); err.span_label(span, label); if let Some((suggestions, msg, applicability)) = suggestion { @@ -950,9 +950,9 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { "item `{name}` is an associated {kind}, which doesn't match its trait `{trait_path}`", ), ) - .code_mv(code) - .span_label_mv(span, "does not match trait") - .span_label_mv(trait_item_span, "item in trait") + .with_code(code) + .with_span_label(span, "does not match trait") + .with_span_label(trait_item_span, "item in trait") } ResolutionError::TraitImplDuplicate { name, trait_item_span, old_span } => self .dcx() @@ -1702,8 +1702,14 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { // Print the primary message. let descr = get_descr(binding); - let mut err = - struct_span_err!(self.dcx(), ident.span, E0603, "{} `{}` is private", descr, ident); + let mut err = struct_span_code_err!( + self.dcx(), + ident.span, + E0603, + "{} `{}` is private", + descr, + ident + ); err.span_label(ident.span, format!("private {descr}")); let mut not_publicly_reexported = false; diff --git a/compiler/rustc_resolve/src/imports.rs b/compiler/rustc_resolve/src/imports.rs index c5bd7ffa038..2ebf4c20562 100644 --- a/compiler/rustc_resolve/src/imports.rs +++ b/compiler/rustc_resolve/src/imports.rs @@ -17,7 +17,7 @@ use crate::{NameBinding, NameBindingData, NameBindingKind, PathResult}; use rustc_ast::NodeId; use rustc_data_structures::fx::FxHashSet; use rustc_data_structures::intern::Interned; -use rustc_errors::{pluralize, struct_span_err, Applicability, MultiSpan}; +use rustc_errors::{pluralize, struct_span_code_err, Applicability, MultiSpan}; use rustc_hir::def::{self, DefKind, PartialRes}; use rustc_middle::metadata::ModChild; use rustc_middle::metadata::Reexport; @@ -686,7 +686,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { .collect::<Vec<_>>(); let msg = format!("unresolved import{} {}", pluralize!(paths.len()), paths.join(", "),); - let mut diag = struct_span_err!(self.dcx(), span, E0432, "{}", &msg); + let mut diag = struct_span_code_err!(self.dcx(), span, E0432, "{}", &msg); if let Some((_, UnresolvedImportError { note: Some(note), .. })) = errors.iter().last() { diag.note(note.clone()); @@ -1371,12 +1371,12 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { let ImportKind::Glob { id, is_prelude, .. } = import.kind else { unreachable!() }; let ModuleOrUniformRoot::Module(module) = import.imported_module.get().unwrap() else { - self.dcx().create_err(CannotGlobImportAllCrates { span: import.span }).emit(); + self.dcx().emit_err(CannotGlobImportAllCrates { span: import.span }); return; }; if module.is_trait() { - self.dcx().create_err(ItemsInTraitsAreNotImportable { span: import.span }).emit(); + self.dcx().emit_err(ItemsInTraitsAreNotImportable { span: import.span }); return; } else if module == import.parent_scope.module { return; diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index 059ccaebc82..4a3c8dfe3d7 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -1664,7 +1664,7 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { } else { ("`'_` cannot be used here", "`'_` is a reserved lifetime name") }; - let mut diag = rustc_errors::struct_span_err!( + let mut diag = rustc_errors::struct_span_code_err!( self.r.dcx(), lifetime.ident.span, E0637, @@ -1853,7 +1853,7 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { LifetimeRibKind::AnonymousCreateParameter { report_in_path: true, .. } | LifetimeRibKind::AnonymousWarn(_) => { let sess = self.r.tcx.sess; - let mut err = rustc_errors::struct_span_err!( + let mut err = rustc_errors::struct_span_code_err!( sess.dcx(), path_span, E0726, @@ -2301,7 +2301,7 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { let report_error = |this: &Self, ns| { if this.should_report_errs() { let what = if ns == TypeNS { "type parameters" } else { "local variables" }; - this.r.dcx().create_err(ImportsCannotReferTo { span: ident.span, what }).emit(); + this.r.dcx().emit_err(ImportsCannotReferTo { span: ident.span, what }); } }; @@ -2594,13 +2594,13 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { } if param.ident.name == kw::UnderscoreLifetime { - rustc_errors::struct_span_err!( + rustc_errors::struct_span_code_err!( self.r.dcx(), param.ident.span, E0637, "`'_` cannot be used here" ) - .span_label_mv(param.ident.span, "`'_` is a reserved lifetime name") + .with_span_label(param.ident.span, "`'_` is a reserved lifetime name") .emit(); // Record lifetime res, so lowering knows there is something fishy. self.record_lifetime_param(param.id, LifetimeRes::Error); @@ -2608,14 +2608,14 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { } if param.ident.name == kw::StaticLifetime { - rustc_errors::struct_span_err!( + rustc_errors::struct_span_code_err!( self.r.dcx(), param.ident.span, E0262, "invalid lifetime parameter name: `{}`", param.ident, ) - .span_label_mv(param.ident.span, "'static is a reserved lifetime name") + .with_span_label(param.ident.span, "'static is a reserved lifetime name") .emit(); // Record lifetime res, so lowering knows there is something fishy. self.record_lifetime_param(param.id, LifetimeRes::Error); diff --git a/compiler/rustc_resolve/src/late/diagnostics.rs b/compiler/rustc_resolve/src/late/diagnostics.rs index a36d1377ab5..2f476ae6cbc 100644 --- a/compiler/rustc_resolve/src/late/diagnostics.rs +++ b/compiler/rustc_resolve/src/late/diagnostics.rs @@ -16,7 +16,7 @@ use rustc_ast::{ use rustc_ast_pretty::pprust::where_bound_predicate_to_string; use rustc_data_structures::fx::FxHashSet; use rustc_errors::{ - pluralize, struct_span_err, Applicability, Diagnostic, DiagnosticBuilder, ErrorGuaranteed, + pluralize, struct_span_code_err, Applicability, Diagnostic, DiagnosticBuilder, ErrorGuaranteed, MultiSpan, SuggestionStyle, }; use rustc_hir as hir; @@ -2603,23 +2603,23 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { ) { debug_assert_ne!(lifetime_ref.ident.name, kw::UnderscoreLifetime); let mut err = if let Some(outer) = outer_lifetime_ref { - struct_span_err!( + struct_span_code_err!( self.r.dcx(), lifetime_ref.ident.span, E0401, "can't use generic parameters from outer item", ) - .span_label_mv(lifetime_ref.ident.span, "use of generic parameter from outer item") - .span_label_mv(outer.span, "lifetime parameter from outer item") + .with_span_label(lifetime_ref.ident.span, "use of generic parameter from outer item") + .with_span_label(outer.span, "lifetime parameter from outer item") } else { - struct_span_err!( + struct_span_code_err!( self.r.dcx(), lifetime_ref.ident.span, E0261, "use of undeclared lifetime name `{}`", lifetime_ref.ident ) - .span_label_mv(lifetime_ref.ident.span, "undeclared lifetime") + .with_span_label(lifetime_ref.ident.span, "undeclared lifetime") }; self.suggest_introducing_lifetime( &mut err, @@ -2777,7 +2777,7 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { let num_lifetimes: usize = lifetime_refs.iter().map(|lt| lt.count).sum(); let spans: Vec<_> = lifetime_refs.iter().map(|lt| lt.span).collect(); - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( self.r.dcx(), spans, E0106, @@ -3282,15 +3282,15 @@ fn mk_where_bound_predicate( /// Report lifetime/lifetime shadowing as an error. pub(super) fn signal_lifetime_shadowing(sess: &Session, orig: Ident, shadower: Ident) { - struct_span_err!( + struct_span_code_err!( sess.dcx(), shadower.span, E0496, "lifetime name `{}` shadows a lifetime name that is already in scope", orig.name, ) - .span_label_mv(orig.span, "first declared here") - .span_label_mv(shadower.span, format!("lifetime `{}` already in scope", orig.name)) + .with_span_label(orig.span, "first declared here") + .with_span_label(shadower.span, format!("lifetime `{}` already in scope", orig.name)) .emit(); } @@ -3322,7 +3322,7 @@ pub(super) fn signal_label_shadowing(sess: &Session, orig: Span, shadower: Ident shadower, format!("label name `{name}` shadows a label name that is already in scope"), ) - .span_label_mv(orig, "first declared here") - .span_label_mv(shadower, format!("label `{name}` already in scope")) + .with_span_label(orig, "first declared here") + .with_span_label(shadower, format!("label `{name}` already in scope")) .emit(); } diff --git a/compiler/rustc_resolve/src/macros.rs b/compiler/rustc_resolve/src/macros.rs index fc55481cb01..66ecaeb4449 100644 --- a/compiler/rustc_resolve/src/macros.rs +++ b/compiler/rustc_resolve/src/macros.rs @@ -15,7 +15,7 @@ use rustc_ast_pretty::pprust; use rustc_attr::StabilityLevel; use rustc_data_structures::intern::Interned; use rustc_data_structures::sync::Lrc; -use rustc_errors::{struct_span_err, Applicability}; +use rustc_errors::{struct_span_code_err, Applicability}; use rustc_expand::base::{Annotatable, DeriveResolutions, Indeterminate, ResolverExpand}; use rustc_expand::base::{SyntaxExtension, SyntaxExtensionKind}; use rustc_expand::compile_declarative_macro; @@ -128,7 +128,7 @@ pub(crate) fn registered_tools(tcx: TyCtxt<'_>, (): ()) -> RegisteredTools { let msg = format!("{} `{}` was already registered", "tool", ident); tcx.dcx() .struct_span_err(ident.span, msg) - .span_label_mv(old_ident.span, "already registered here") + .with_span_label(old_ident.span, "already registered here") .emit(); } } @@ -137,7 +137,7 @@ pub(crate) fn registered_tools(tcx: TyCtxt<'_>, (): ()) -> RegisteredTools { let span = nested_meta.span(); tcx.dcx() .struct_span_err(span, msg) - .span_label_mv(span, "not an identifier") + .with_span_label(span, "not an identifier") .emit(); } } @@ -578,7 +578,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { self.dcx() .create_err(err) - .span_label_mv(path.span, format!("not {article} {expected}")) + .with_span_label(path.span, format!("not {article} {expected}")) .emit(); return Ok((self.dummy_ext(kind), Res::Err)); @@ -948,13 +948,13 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { rule_spans = Vec::new(); } BuiltinMacroState::AlreadySeen(span) => { - struct_span_err!( + struct_span_code_err!( self.dcx(), item.span, E0773, "attempted to define built-in macro more than once" ) - .span_note_mv(span, "previously defined here") + .with_span_note(span, "previously defined here") .emit(); } } diff --git a/compiler/rustc_session/src/errors.rs b/compiler/rustc_session/src/errors.rs index 8baa5d892a5..b672e760feb 100644 --- a/compiler/rustc_session/src/errors.rs +++ b/compiler/rustc_session/src/errors.rs @@ -19,8 +19,8 @@ impl<'a> IntoDiagnostic<'a> for FeatureGateError { #[track_caller] fn into_diagnostic(self, dcx: &'a DiagCtxt, level: Level) -> DiagnosticBuilder<'a> { DiagnosticBuilder::new(dcx, level, self.explain) - .span_mv(self.span) - .code_mv(error_code!(E0658)) + .with_span(self.span) + .with_code(error_code!(E0658)) } } diff --git a/compiler/rustc_session/src/parse.rs b/compiler/rustc_session/src/parse.rs index 439fa18b7fa..598178c3c2a 100644 --- a/compiler/rustc_session/src/parse.rs +++ b/compiler/rustc_session/src/parse.rs @@ -143,11 +143,7 @@ pub fn feature_warn_issue( // Decorate this as a future-incompatibility lint as in rustc_middle::lint::struct_lint_level let lint = UNSTABLE_SYNTAX_PRE_EXPANSION; let future_incompatible = lint.future_incompatible.as_ref().unwrap(); - err.code(DiagnosticId::Lint { - name: lint.name_lower(), - has_future_breakage: false, - is_force_warn: false, - }); + err.code(DiagnosticId::Lint { name: lint.name_lower(), has_future_breakage: false }); err.warn(lint.desc); err.note(format!("for more information, see {}", future_incompatible.reference)); diff --git a/compiler/rustc_session/src/session.rs b/compiler/rustc_session/src/session.rs index 720599f6095..210dc9e0145 100644 --- a/compiler/rustc_session/src/session.rs +++ b/compiler/rustc_session/src/session.rs @@ -263,7 +263,7 @@ impl Session { if !unleashed_features.is_empty() { let mut must_err = false; // Create a diagnostic pointing at where things got unleashed. - self.dcx().emit_warning(errors::SkippingConstChecks { + self.dcx().emit_warn(errors::SkippingConstChecks { unleashed_features: unleashed_features .iter() .map(|(span, gate)| { @@ -341,10 +341,7 @@ impl Session { if self.dcx().err_count() == old_count { Ok(result) } else { - Err(self.dcx().span_delayed_bug( - rustc_span::DUMMY_SP, - "`self.err_count()` changed but an error was not emitted", - )) + Err(self.dcx().delayed_bug("`self.err_count()` changed but an error was not emitted")) } } @@ -574,7 +571,7 @@ impl Session { // We only call `msg` in case we can actually emit warnings. // Otherwise, this could cause a `good_path_delayed_bug` to // trigger (issue #79546). - self.dcx().emit_warning(errors::OptimisationFuelExhausted { msg: msg() }); + self.dcx().emit_warn(errors::OptimisationFuelExhausted { msg: msg() }); } fuel.out_of_fuel = true; } else if fuel.remaining > 0 { @@ -1129,7 +1126,7 @@ pub fn build_session( match profiler { Ok(profiler) => Some(Arc::new(profiler)), Err(e) => { - dcx.emit_warning(errors::FailedToCreateProfiler { err: e.to_string() }); + dcx.emit_warn(errors::FailedToCreateProfiler { err: e.to_string() }); None } } @@ -1341,7 +1338,7 @@ fn validate_commandline_args_with_session_available(sess: &Session) { if sess.opts.unstable_opts.stack_protector != StackProtector::None { if !sess.target.options.supports_stack_protector { - sess.dcx().emit_warning(errors::StackProtectorNotSupportedForTarget { + sess.dcx().emit_warn(errors::StackProtectorNotSupportedForTarget { stack_protector: sess.opts.unstable_opts.stack_protector, target_triple: &sess.opts.target_triple, }); @@ -1447,7 +1444,7 @@ impl EarlyDiagCtxt { #[allow(rustc::untranslatable_diagnostic)] #[allow(rustc::diagnostic_outside_of_impl)] pub fn early_note(&self, msg: impl Into<DiagnosticMessage>) { - self.dcx.struct_note(msg).emit() + self.dcx.note(msg) } #[allow(rustc::untranslatable_diagnostic)] @@ -1460,13 +1457,13 @@ impl EarlyDiagCtxt { #[allow(rustc::diagnostic_outside_of_impl)] #[must_use = "ErrorGuaranteed must be returned from `run_compiler` in order to exit with a non-zero status code"] pub fn early_err(&self, msg: impl Into<DiagnosticMessage>) -> ErrorGuaranteed { - self.dcx.struct_err(msg).emit() + self.dcx.err(msg) } #[allow(rustc::untranslatable_diagnostic)] #[allow(rustc::diagnostic_outside_of_impl)] pub fn early_fatal(&self, msg: impl Into<DiagnosticMessage>) -> ! { - self.dcx.struct_fatal(msg).emit() + self.dcx.fatal(msg) } #[allow(rustc::untranslatable_diagnostic)] @@ -1481,7 +1478,7 @@ impl EarlyDiagCtxt { #[allow(rustc::untranslatable_diagnostic)] #[allow(rustc::diagnostic_outside_of_impl)] pub fn early_warn(&self, msg: impl Into<DiagnosticMessage>) { - self.dcx.struct_warn(msg).emit() + self.dcx.warn(msg) } pub fn initialize_checked_jobserver(&self) { @@ -1491,7 +1488,7 @@ impl EarlyDiagCtxt { #[allow(rustc::diagnostic_outside_of_impl)] self.dcx .struct_warn(err) - .note_mv("the build environment is likely misconfigured") + .with_note("the build environment is likely misconfigured") .emit() }); } diff --git a/compiler/rustc_smir/src/rustc_internal/internal.rs b/compiler/rustc_smir/src/rustc_internal/internal.rs index 17162d0de25..5689e8f3b3d 100644 --- a/compiler/rustc_smir/src/rustc_internal/internal.rs +++ b/compiler/rustc_smir/src/rustc_internal/internal.rs @@ -17,7 +17,7 @@ use stable_mir::ty::{ GenericArgKind, GenericArgs, IndexedVal, IntTy, Movability, Region, RigidTy, Span, TermKind, TraitRef, Ty, UintTy, VariantDef, VariantIdx, }; -use stable_mir::{CrateItem, DefId}; +use stable_mir::{CrateItem, CrateNum, DefId}; use super::RustcInternal; @@ -28,6 +28,13 @@ impl<'tcx> RustcInternal<'tcx> for CrateItem { } } +impl<'tcx> RustcInternal<'tcx> for CrateNum { + type T = rustc_span::def_id::CrateNum; + fn internal(&self, _tables: &mut Tables<'tcx>) -> Self::T { + rustc_span::def_id::CrateNum::from_usize(*self) + } +} + impl<'tcx> RustcInternal<'tcx> for DefId { type T = rustc_span::def_id::DefId; fn internal(&self, tables: &mut Tables<'tcx>) -> Self::T { diff --git a/compiler/rustc_smir/src/rustc_smir/context.rs b/compiler/rustc_smir/src/rustc_smir/context.rs index f84c466cc44..fffc454804d 100644 --- a/compiler/rustc_smir/src/rustc_smir/context.rs +++ b/compiler/rustc_smir/src/rustc_smir/context.rs @@ -25,8 +25,9 @@ use stable_mir::ty::{ AdtDef, AdtKind, Allocation, ClosureDef, ClosureKind, Const, FieldDef, FnDef, GenericArgs, LineInfo, PolyFnSig, RigidTy, Span, Ty, TyKind, VariantDef, }; -use stable_mir::{Crate, CrateItem, DefId, Error, Filename, ItemKind, Symbol}; +use stable_mir::{Crate, CrateItem, CrateNum, DefId, Error, Filename, ItemKind, Symbol}; use std::cell::RefCell; +use std::iter; use crate::rustc_internal::{internal, RustcInternal}; use crate::rustc_smir::builder::BodyBuilder; @@ -68,9 +69,14 @@ impl<'tcx> Context for TablesWrapper<'tcx> { fn all_trait_decls(&self) -> stable_mir::TraitDecls { let mut tables = self.0.borrow_mut(); + tables.tcx.all_traits().map(|trait_def_id| tables.trait_def(trait_def_id)).collect() + } + + fn trait_decls(&self, crate_num: CrateNum) -> stable_mir::TraitDecls { + let mut tables = self.0.borrow_mut(); tables .tcx - .traits(LOCAL_CRATE) + .traits(crate_num.internal(&mut *tables)) .iter() .map(|trait_def_id| tables.trait_def(*trait_def_id)) .collect() @@ -85,9 +91,19 @@ impl<'tcx> Context for TablesWrapper<'tcx> { fn all_trait_impls(&self) -> stable_mir::ImplTraitDecls { let mut tables = self.0.borrow_mut(); + let tcx = tables.tcx; + iter::once(LOCAL_CRATE) + .chain(tables.tcx.crates(()).iter().copied()) + .flat_map(|cnum| tcx.trait_impls_in_crate(cnum).iter()) + .map(|impl_def_id| tables.impl_def(*impl_def_id)) + .collect() + } + + fn trait_impls(&self, crate_num: CrateNum) -> stable_mir::ImplTraitDecls { + let mut tables = self.0.borrow_mut(); tables .tcx - .trait_impls_in_crate(LOCAL_CRATE) + .trait_impls_in_crate(crate_num.internal(&mut *tables)) .iter() .map(|impl_def_id| tables.impl_def(*impl_def_id)) .collect() diff --git a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs index f0f1d798d44..c0ecbfb9914 100644 --- a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs +++ b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs @@ -12,12 +12,11 @@ use crate::rustc_smir::{alloc, Stable, Tables}; impl<'tcx> Stable<'tcx> for ty::AliasKind { type T = stable_mir::ty::AliasKind; fn stable(&self, _: &mut Tables<'tcx>) -> Self::T { - use rustc_middle::ty::AliasKind::*; match self { - Projection => stable_mir::ty::AliasKind::Projection, - Inherent => stable_mir::ty::AliasKind::Inherent, - Opaque => stable_mir::ty::AliasKind::Opaque, - Weak => stable_mir::ty::AliasKind::Weak, + ty::Projection => stable_mir::ty::AliasKind::Projection, + ty::Inherent => stable_mir::ty::AliasKind::Inherent, + ty::Opaque => stable_mir::ty::AliasKind::Opaque, + ty::Weak => stable_mir::ty::AliasKind::Weak, } } } @@ -34,10 +33,9 @@ impl<'tcx> Stable<'tcx> for ty::DynKind { type T = stable_mir::ty::DynKind; fn stable(&self, _: &mut Tables<'tcx>) -> Self::T { - use rustc_middle::ty::DynKind; match self { - DynKind::Dyn => stable_mir::ty::DynKind::Dyn, - DynKind::DynStar => stable_mir::ty::DynKind::DynStar, + ty::Dyn => stable_mir::ty::DynKind::Dyn, + ty::DynStar => stable_mir::ty::DynKind::DynStar, } } } diff --git a/compiler/rustc_symbol_mangling/src/errors.rs b/compiler/rustc_symbol_mangling/src/errors.rs index 746783ab7e3..2d076f7b225 100644 --- a/compiler/rustc_symbol_mangling/src/errors.rs +++ b/compiler/rustc_symbol_mangling/src/errors.rs @@ -18,7 +18,7 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for TestOutput { let TestOutput { span, kind, content } = self; #[allow(rustc::untranslatable_diagnostic)] - DiagnosticBuilder::new(dcx, level, format!("{kind}({content})")).span_mv(span) + DiagnosticBuilder::new(dcx, level, format!("{kind}({content})")).with_span(span) } } diff --git a/compiler/rustc_trait_selection/src/solve/alias_relate.rs b/compiler/rustc_trait_selection/src/solve/alias_relate.rs index 626569fb40f..c05c9961750 100644 --- a/compiler/rustc_trait_selection/src/solve/alias_relate.rs +++ b/compiler/rustc_trait_selection/src/solve/alias_relate.rs @@ -2,15 +2,29 @@ //! Doing this via a separate goal is called "deferred alias relation" and part //! of our more general approach to "lazy normalization". //! -//! This goal, e.g. `A alias-relate B`, may be satisfied by one of three branches: -//! * normalizes-to: If `A` is a projection, we can prove the equivalent -//! projection predicate with B as the right-hand side of the projection. -//! This goal is computed in both directions, if both are aliases. -//! * subst-relate: Equate `A` and `B` by their substs, if they're both -//! aliases with the same def-id. -//! * bidirectional-normalizes-to: If `A` and `B` are both projections, and both -//! may apply, then we can compute the "intersection" of both normalizes-to by -//! performing them together. This is used specifically to resolve ambiguities. +//! This is done by first normalizing both sides of the goal, ending up in +//! either a concrete type, rigid projection, opaque, or an infer variable. +//! These are related further according to the rules below: +//! +//! (1.) If we end up with a rigid projection and a rigid projection, then we +//! relate those projections structurally. +//! +//! (2.) If we end up with a rigid projection and an alias, then the opaque will +//! have its hidden type defined to be that rigid projection. +//! +//! (3.) If we end up with an opaque and an opaque, then we assemble two +//! candidates, one defining the LHS to be the hidden type of the RHS, and vice +//! versa. +//! +//! (4.) If we end up with an infer var and an opaque or rigid projection, then +//! we assign the alias to the infer var. +//! +//! (5.) If we end up with an opaque and a rigid (non-projection) type, then we +//! define the hidden type of the opaque to be the rigid type. +//! +//! (6.) Otherwise, if we end with two rigid (non-projection) or infer types, +//! relate them structurally. + use super::{EvalCtxt, GoalSource}; use rustc_infer::infer::DefineOpaqueTypes; use rustc_infer::traits::query::NoSolution; @@ -50,6 +64,7 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { self.relate(param_env, lhs, variance, rhs)?; self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) } else if alias.is_opaque(tcx) { + // FIXME: This doesn't account for variance. self.define_opaque(param_env, alias, rhs) } else { Err(NoSolution) @@ -60,6 +75,7 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { self.relate(param_env, lhs, variance, rhs)?; self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) } else if alias.is_opaque(tcx) { + // FIXME: This doesn't account for variance. self.define_opaque(param_env, alias, lhs) } else { Err(NoSolution) @@ -72,6 +88,7 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { } } + // FIXME: This needs a name that reflects that it's okay to bottom-out with an inference var. /// Normalize the `term` to equate it later. This does not define opaque types. #[instrument(level = "debug", skip(self, param_env), ret)] fn try_normalize_term( diff --git a/compiler/rustc_trait_selection/src/solve/mod.rs b/compiler/rustc_trait_selection/src/solve/mod.rs index 2f3111a2414..7c8f885a1f2 100644 --- a/compiler/rustc_trait_selection/src/solve/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/mod.rs @@ -22,6 +22,7 @@ use rustc_middle::traits::solve::{ CanonicalResponse, Certainty, ExternalConstraintsData, Goal, GoalSource, IsNormalizesToHack, QueryResult, Response, }; +use rustc_middle::traits::Reveal; use rustc_middle::ty::{self, OpaqueTypeKey, Ty, TyCtxt, UniverseIndex}; use rustc_middle::ty::{ CoercePredicate, RegionOutlivesPredicate, SubtypePredicate, TypeOutlivesPredicate, @@ -316,19 +317,25 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { return Some(ty); }; - // We do no always define opaque types eagerly to allow non-defining uses in the defining scope. - if let (DefineOpaqueTypes::No, ty::AliasKind::Opaque) = (define_opaque_types, kind) { - if let Some(def_id) = alias.def_id.as_local() { - if self - .unify_existing_opaque_tys( - param_env, - OpaqueTypeKey { def_id, args: alias.args }, - self.next_ty_infer(), - ) - .is_empty() - { - return Some(ty); - } + // We do no always define opaque types eagerly to allow non-defining uses + // in the defining scope. However, if we can unify this opaque to an existing + // opaque, then we should attempt to eagerly reveal the opaque, and we fall + // through. + if let DefineOpaqueTypes::No = define_opaque_types + && let Reveal::UserFacing = param_env.reveal() + && let ty::Opaque = kind + && let Some(def_id) = alias.def_id.as_local() + && self.can_define_opaque_ty(def_id) + { + if self + .unify_existing_opaque_tys( + param_env, + OpaqueTypeKey { def_id, args: alias.args }, + self.next_ty_infer(), + ) + .is_empty() + { + return Some(ty); } } diff --git a/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs b/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs index e119ddeb4c6..522c645253a 100644 --- a/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs +++ b/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs @@ -122,8 +122,8 @@ pub fn is_const_evaluatable<'tcx>( if span == rustc_span::DUMMY_SP { tcx.def_span(uv.def) } else { span }, "failed to evaluate generic const expression", ) - .note_mv("the crate this constant originates from uses `#![feature(generic_const_exprs)]`") - .span_suggestion_verbose_mv( + .with_note("the crate this constant originates from uses `#![feature(generic_const_exprs)]`") + .with_span_suggestion_verbose( rustc_span::DUMMY_SP, "consider enabling this feature", "#![feature(generic_const_exprs)]\n", diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/infer_ctxt_ext.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/infer_ctxt_ext.rs index 90e2c1531b4..864580afe62 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/infer_ctxt_ext.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/infer_ctxt_ext.rs @@ -1,7 +1,7 @@ use crate::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; use crate::infer::InferCtxt; use crate::traits::{Obligation, ObligationCause, ObligationCtxt}; -use rustc_errors::{pluralize, struct_span_err, Applicability, DiagnosticBuilder}; +use rustc_errors::{pluralize, struct_span_code_err, Applicability, DiagnosticBuilder}; use rustc_hir as hir; use rustc_hir::Node; use rustc_middle::ty::{self, Ty}; @@ -140,7 +140,7 @@ impl<'tcx> InferCtxtExt<'tcx> for InferCtxt<'tcx> { let expected_str = args_str(&expected_args, &found_args); let found_str = args_str(&found_args, &expected_args); - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( self.dcx(), span, E0593, diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/on_unimplemented.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/on_unimplemented.rs index c9e8b30c4c4..100c9a70aaa 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/on_unimplemented.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/on_unimplemented.rs @@ -6,7 +6,7 @@ use rustc_ast::AttrKind; use rustc_ast::{Attribute, MetaItem, NestedMetaItem}; use rustc_attr as attr; use rustc_data_structures::fx::FxHashMap; -use rustc_errors::{struct_span_err, ErrorGuaranteed}; +use rustc_errors::{struct_span_code_err, ErrorGuaranteed}; use rustc_hir as hir; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_middle::ty::GenericArgsRef; @@ -14,7 +14,7 @@ use rustc_middle::ty::{self, GenericParamDefKind, TyCtxt}; use rustc_parse_format::{ParseMode, Parser, Piece, Position}; use rustc_session::lint::builtin::UNKNOWN_OR_MALFORMED_DIAGNOSTIC_ATTRIBUTES; use rustc_span::symbol::{kw, sym, Symbol}; -use rustc_span::{Span, DUMMY_SP}; +use rustc_span::Span; use std::iter; use crate::errors::{ @@ -657,9 +657,7 @@ impl<'tcx> OnUnimplementedDirective { Ok(None) } else { - let reported = tcx - .dcx() - .span_delayed_bug(DUMMY_SP, "of_item: neither meta_item_list nor value_str"); + let reported = tcx.dcx().delayed_bug("of_item: neither meta_item_list nor value_str"); return Err(reported); }; debug!("of_item({:?}) = {:?}", item_def_id, result); @@ -797,7 +795,7 @@ impl<'tcx> OnUnimplementedFormatString { }, ); } else { - result = Err(struct_span_err!( + result = Err(struct_span_code_err!( tcx.dcx(), self.span, E0230, @@ -816,7 +814,7 @@ impl<'tcx> OnUnimplementedFormatString { } // `{:1}` and `{}` are not to be used Position::ArgumentIs(..) | Position::ArgumentImplicitlyIs(_) => { - let reported = struct_span_err!( + let reported = struct_span_code_err!( tcx.dcx(), self.span, E0231, 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 4a6ef27e7ba..6c0909d2853 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs @@ -13,7 +13,7 @@ use hir::def::CtorOf; use rustc_data_structures::fx::FxHashSet; use rustc_data_structures::stack::ensure_sufficient_stack; use rustc_errors::{ - error_code, pluralize, struct_span_err, Applicability, Diagnostic, DiagnosticBuilder, + error_code, pluralize, struct_span_code_err, Applicability, Diagnostic, DiagnosticBuilder, MultiSpan, Style, SuggestionStyle, }; use rustc_hir as hir; @@ -2145,7 +2145,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { ty::Coroutine(..) => "coroutine", _ => "function", }; - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( self.dcx(), span, E0631, diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs index b05895e4b9a..47a700805fa 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs @@ -19,7 +19,7 @@ use crate::traits::{ }; use rustc_data_structures::fx::{FxHashMap, FxIndexMap}; use rustc_errors::{ - pluralize, struct_span_err, Applicability, Diagnostic, DiagnosticBuilder, ErrorGuaranteed, + pluralize, struct_span_code_err, Applicability, Diagnostic, DiagnosticBuilder, ErrorGuaranteed, MultiSpan, StashKey, Style, }; use rustc_hir as hir; @@ -228,7 +228,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { } } - self.dcx().span_delayed_bug(DUMMY_SP, "expected fulfillment errors") + self.dcx().delayed_bug("expected fulfillment errors") } /// Reports that an overflow has occurred and halts compilation. We @@ -280,7 +280,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { predicate.print(&mut cx).unwrap(); pred_str = cx.into_buffer(); } - let mut err = struct_span_err!( + let mut err = struct_span_code_err!( self.dcx(), span, E0275, @@ -525,7 +525,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { (err_msg, None) }; - let mut err = struct_span_err!(self.dcx(), span, E0277, "{}", err_msg); + let mut err = struct_span_code_err!(self.dcx(), span, E0277, "{}", err_msg); let mut suggested = false; if is_try_conversion { @@ -1236,7 +1236,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { span_bug!(span, "const param tys cannot mention other generic parameters"); } ty::Float(_) => { - struct_span_err!( + struct_span_code_err!( self.dcx(), span, E0741, @@ -1244,7 +1244,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { ) } ty::FnPtr(_) => { - struct_span_err!( + struct_span_code_err!( self.dcx(), span, E0741, @@ -1252,7 +1252,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { ) } ty::RawPtr(_) => { - struct_span_err!( + struct_span_code_err!( self.dcx(), span, E0741, @@ -1261,7 +1261,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { } ty::Adt(def, _) => { // We should probably see if we're *allowed* to derive `ConstParamTy` on the type... - let mut diag = struct_span_err!( + let mut diag = struct_span_code_err!( self.dcx(), span, E0741, @@ -1293,7 +1293,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { diag } _ => { - struct_span_err!( + struct_span_code_err!( self.dcx(), span, E0741, @@ -1731,7 +1731,7 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> { cx.into_buffer() })) }); - let mut diag = struct_span_err!(self.dcx(), obligation.cause.span, E0271, "{msg}"); + let mut diag = struct_span_code_err!(self.dcx(), obligation.cause.span, E0271, "{msg}"); let secondary_span = (|| { let ty::PredicateKind::Clause(ty::ClauseKind::Projection(proj)) = @@ -2421,7 +2421,7 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> { true, ) } else { - struct_span_err!( + struct_span_code_err!( self.dcx(), span, E0283, @@ -2661,17 +2661,17 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> { ErrorCode::E0284, true, ) - .note_mv(format!("cannot satisfy `{predicate}`")) + .with_note(format!("cannot satisfy `{predicate}`")) } else { // If we can't find a substitution, just print a generic error - struct_span_err!( + struct_span_code_err!( self.dcx(), span, E0284, "type annotations needed: cannot satisfy `{}`", predicate, ) - .span_label_mv(span, format!("cannot satisfy `{predicate}`")) + .with_span_label(span, format!("cannot satisfy `{predicate}`")) } } @@ -2691,28 +2691,28 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> { err } else { // If we can't find a substitution, just print a generic error - struct_span_err!( + struct_span_code_err!( self.dcx(), span, E0284, "type annotations needed: cannot satisfy `{}`", predicate, ) - .span_label_mv(span, format!("cannot satisfy `{predicate}`")) + .with_span_label(span, format!("cannot satisfy `{predicate}`")) } } _ => { if self.dcx().has_errors().is_some() || self.tainted_by_errors().is_some() { return; } - struct_span_err!( + struct_span_code_err!( self.dcx(), span, E0284, "type annotations needed: cannot satisfy `{}`", predicate, ) - .span_label_mv(span, format!("cannot satisfy `{predicate}`")) + .with_span_label(span, format!("cannot satisfy `{predicate}`")) } }; self.note_obligation_cause(&mut err, obligation); @@ -3552,7 +3552,7 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> { // // Note that with `feature(generic_const_exprs)` this case should not // be reachable. - .note_mv("this may fail depending on what value the parameter takes") + .with_note("this may fail depending on what value the parameter takes") .emit(); return None; } diff --git a/compiler/rustc_trait_selection/src/traits/mod.rs b/compiler/rustc_trait_selection/src/traits/mod.rs index c52b8f37ef3..080ad7bd549 100644 --- a/compiler/rustc_trait_selection/src/traits/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/mod.rs @@ -279,6 +279,12 @@ pub fn normalize_param_env_or_error<'tcx>( } fn fold_const(&mut self, c: ty::Const<'tcx>) -> ty::Const<'tcx> { + // FIXME(return_type_notation): track binders in this normalizer, as + // `ty::Const::normalize` can only work with properly preserved binders. + + if c.has_escaping_bound_vars() { + return ty::Const::new_misc_error(self.0, c.ty()); + } // While it is pretty sus to be evaluating things with an empty param env, it // should actually be okay since without `feature(generic_const_exprs)` the only // const arguments that have a non-empty param env are array repeat counts. These diff --git a/compiler/rustc_trait_selection/src/traits/query/normalize.rs b/compiler/rustc_trait_selection/src/traits/query/normalize.rs index d5f98db2c93..0b73fefd2da 100644 --- a/compiler/rustc_trait_selection/src/traits/query/normalize.rs +++ b/compiler/rustc_trait_selection/src/traits/query/normalize.rs @@ -286,10 +286,8 @@ impl<'cx, 'tcx> FallibleTypeFolder<TyCtxt<'tcx>> for QueryNormalizer<'cx, 'tcx> // Rustdoc normalizes possibly not well-formed types, so only // treat this as a bug if we're not in rustdoc. if !tcx.sess.opts.actually_rustdoc { - tcx.dcx().span_delayed_bug( - DUMMY_SP, - format!("unexpected ambiguity: {c_data:?} {result:?}"), - ); + tcx.dcx() + .delayed_bug(format!("unexpected ambiguity: {c_data:?} {result:?}")); } return Err(NoSolution); } diff --git a/compiler/rustc_trait_selection/src/traits/query/type_op/custom.rs b/compiler/rustc_trait_selection/src/traits/query/type_op/custom.rs index f4baae2711f..d533e69a4fa 100644 --- a/compiler/rustc_trait_selection/src/traits/query/type_op/custom.rs +++ b/compiler/rustc_trait_selection/src/traits/query/type_op/custom.rs @@ -6,7 +6,7 @@ use rustc_errors::ErrorGuaranteed; use rustc_infer::infer::region_constraints::RegionConstraintData; use rustc_middle::traits::query::NoSolution; use rustc_middle::ty::{TyCtxt, TypeFoldable}; -use rustc_span::{Span, DUMMY_SP}; +use rustc_span::Span; use std::fmt; @@ -88,10 +88,9 @@ where if errors.is_empty() { Ok(value) } else { - Err(infcx.dcx().span_delayed_bug( - DUMMY_SP, - format!("errors selecting obligation during MIR typeck: {errors:?}"), - )) + Err(infcx + .dcx() + .delayed_bug(format!("errors selecting obligation during MIR typeck: {errors:?}"))) } })?; diff --git a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs index c1145bc30c9..342b12ba498 100644 --- a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs +++ b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs @@ -969,7 +969,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { self.tcx().def_span(impl_def_id), "multiple drop impls found", ) - .span_note_mv( + .with_span_note( self.tcx().def_span(old_impl_def_id), "other impl here", ) diff --git a/compiler/rustc_transmute/src/layout/tree.rs b/compiler/rustc_transmute/src/layout/tree.rs index 49f24f66b24..86a077ee808 100644 --- a/compiler/rustc_transmute/src/layout/tree.rs +++ b/compiler/rustc_transmute/src/layout/tree.rs @@ -199,6 +199,7 @@ pub(crate) mod rustc { match err { LayoutError::Unknown(..) | LayoutError::ReferencesError(..) => Self::UnknownLayout, LayoutError::SizeOverflow(..) => Self::SizeOverflow, + LayoutError::Cycle(err) => Self::TypeError(*err), err => unimplemented!("{:?}", err), } } diff --git a/compiler/rustc_ty_utils/src/layout.rs b/compiler/rustc_ty_utils/src/layout.rs index db89fba2a89..b8351463c55 100644 --- a/compiler/rustc_ty_utils/src/layout.rs +++ b/compiler/rustc_ty_utils/src/layout.rs @@ -11,7 +11,6 @@ use rustc_middle::ty::print::with_no_trimmed_paths; use rustc_middle::ty::{self, AdtDef, EarlyBinder, GenericArgsRef, Ty, TyCtxt, TypeVisitableExt}; use rustc_session::{DataTypeKind, FieldInfo, FieldKind, SizeKind, VariantInfo}; use rustc_span::symbol::Symbol; -use rustc_span::DUMMY_SP; use rustc_target::abi::*; use std::fmt::Debug; @@ -91,7 +90,7 @@ fn univariant_uninterned<'tcx>( let dl = cx.data_layout(); let pack = repr.pack; if pack.is_some() && repr.align.is_some() { - cx.tcx.dcx().span_delayed_bug(DUMMY_SP, "struct cannot be packed and aligned"); + cx.tcx.dcx().delayed_bug("struct cannot be packed and aligned"); return Err(cx.tcx.arena.alloc(LayoutError::Unknown(ty))); } @@ -344,10 +343,7 @@ fn layout_of_uncached<'tcx>( ty::Adt(def, args) if def.repr().simd() => { if !def.is_struct() { // Should have yielded E0517 by now. - tcx.dcx().span_delayed_bug( - DUMMY_SP, - "#[repr(simd)] was applied to an ADT that is not a struct", - ); + tcx.dcx().delayed_bug("#[repr(simd)] was applied to an ADT that is not a struct"); return Err(error(cx, LayoutError::Unknown(ty))); } @@ -374,8 +370,7 @@ fn layout_of_uncached<'tcx>( // (should be caught by typeck) for fi in fields { if fi.ty(tcx, args) != f0_ty { - tcx.dcx().span_delayed_bug( - DUMMY_SP, + tcx.dcx().delayed_bug( "#[repr(simd)] was applied to an ADT with heterogeneous field type", ); return Err(error(cx, LayoutError::Unknown(ty))); diff --git a/compiler/stable_mir/src/compiler_interface.rs b/compiler/stable_mir/src/compiler_interface.rs index f52e506059b..fb83dae5714 100644 --- a/compiler/stable_mir/src/compiler_interface.rs +++ b/compiler/stable_mir/src/compiler_interface.rs @@ -16,8 +16,8 @@ use crate::ty::{ TraitDef, Ty, TyKind, VariantDef, }; use crate::{ - mir, Crate, CrateItem, CrateItems, DefId, Error, Filename, ImplTraitDecls, ItemKind, Symbol, - TraitDecls, + mir, Crate, CrateItem, CrateItems, CrateNum, DefId, Error, Filename, ImplTraitDecls, ItemKind, + Symbol, TraitDecls, }; /// This trait defines the interface between stable_mir and the Rust compiler. @@ -32,8 +32,10 @@ pub trait Context { /// Check whether the body of a function is available. fn has_body(&self, item: DefId) -> bool; fn all_trait_decls(&self) -> TraitDecls; + fn trait_decls(&self, crate_num: CrateNum) -> TraitDecls; fn trait_decl(&self, trait_def: &TraitDef) -> TraitDecl; fn all_trait_impls(&self) -> ImplTraitDecls; + fn trait_impls(&self, crate_num: CrateNum) -> ImplTraitDecls; fn trait_impl(&self, trait_impl: &ImplDef) -> ImplTrait; fn generics_of(&self, def_id: DefId) -> Generics; fn predicates_of(&self, def_id: DefId) -> GenericPredicates; diff --git a/compiler/stable_mir/src/lib.rs b/compiler/stable_mir/src/lib.rs index 9194f1e6bdb..de5dfcdf207 100644 --- a/compiler/stable_mir/src/lib.rs +++ b/compiler/stable_mir/src/lib.rs @@ -31,7 +31,7 @@ pub use crate::error::*; use crate::mir::pretty::function_name; use crate::mir::Body; use crate::mir::Mutability; -use crate::ty::{ImplDef, ImplTrait, IndexedVal, Span, TraitDecl, TraitDef, Ty}; +use crate::ty::{ImplDef, IndexedVal, Span, TraitDef, Ty}; pub mod abi; #[macro_use] @@ -86,6 +86,18 @@ pub struct Crate { pub is_local: bool, } +impl Crate { + /// The list of traits declared in this crate. + pub fn trait_decls(&self) -> TraitDecls { + with(|cx| cx.trait_decls(self.id)) + } + + /// The list of trait implementations in this crate. + pub fn trait_impls(&self) -> ImplTraitDecls { + with(|cx| cx.trait_impls(self.id)) + } +} + #[derive(Copy, Clone, PartialEq, Eq, Debug, Hash)] pub enum ItemKind { Fn, @@ -169,18 +181,10 @@ pub fn all_trait_decls() -> TraitDecls { with(|cx| cx.all_trait_decls()) } -pub fn trait_decl(trait_def: &TraitDef) -> TraitDecl { - with(|cx| cx.trait_decl(trait_def)) -} - pub fn all_trait_impls() -> ImplTraitDecls { with(|cx| cx.all_trait_impls()) } -pub fn trait_impl(trait_impl: &ImplDef) -> ImplTrait { - with(|cx| cx.trait_impl(trait_impl)) -} - /// A type that provides internal information but that can still be used for debug purpose. #[derive(Clone, PartialEq, Eq, Hash)] pub struct Opaque(String); diff --git a/compiler/stable_mir/src/ty.rs b/compiler/stable_mir/src/ty.rs index 9e6ecbe8315..eba2ac57012 100644 --- a/compiler/stable_mir/src/ty.rs +++ b/compiler/stable_mir/src/ty.rs @@ -714,9 +714,16 @@ crate_def! { } crate_def! { + /// A trait's definition. pub TraitDef; } +impl TraitDef { + pub fn declaration(trait_def: &TraitDef) -> TraitDecl { + with(|cx| cx.trait_decl(trait_def)) + } +} + crate_def! { pub GenericDef; } @@ -726,9 +733,17 @@ crate_def! { } crate_def! { + /// A trait impl definition. pub ImplDef; } +impl ImplDef { + /// Retrieve information about this implementation. + pub fn trait_impl(&self) -> ImplTrait { + with(|cx| cx.trait_impl(self)) + } +} + crate_def! { pub RegionDef; } diff --git a/library/core/src/intrinsics.rs b/library/core/src/intrinsics.rs index 3d5b544bc1b..3df3e8ea05c 100644 --- a/library/core/src/intrinsics.rs +++ b/library/core/src/intrinsics.rs @@ -1787,6 +1787,8 @@ extern "rust-intrinsic" { /// so this rounds half-way cases to the number with an even least significant digit. /// /// May raise an inexact floating-point exception if the argument is not an integer. + /// However, Rust assumes floating-point exceptions cannot be observed, so this is not something that + /// can actually be used from Rust code. /// /// The stabilized version of this intrinsic is /// [`f32::round_ties_even`](../../std/primitive.f32.html#method.round_ties_even) @@ -1796,6 +1798,8 @@ extern "rust-intrinsic" { /// so this rounds half-way cases to the number with an even least significant digit. /// /// May raise an inexact floating-point exception if the argument is not an integer. + /// However, Rust assumes floating-point exceptions cannot be observed, so this is not something that + /// can actually be used from Rust code. /// /// The stabilized version of this intrinsic is /// [`f64::round_ties_even`](../../std/primitive.f64.html#method.round_ties_even) diff --git a/library/core/src/net/ip_addr.rs b/library/core/src/net/ip_addr.rs index 1ef876a3163..4b5862d98a3 100644 --- a/library/core/src/net/ip_addr.rs +++ b/library/core/src/net/ip_addr.rs @@ -771,7 +771,11 @@ impl Ipv4Addr { || self.is_loopback() || self.is_link_local() // addresses reserved for future protocols (`192.0.0.0/24`) - ||(self.octets()[0] == 192 && self.octets()[1] == 0 && self.octets()[2] == 0) + // .9 and .10 are documented as globally reachable so they're excluded + || ( + self.octets()[0] == 192 && self.octets()[1] == 0 && self.octets()[2] == 0 + && self.octets()[3] != 9 && self.octets()[3] != 10 + ) || self.is_documentation() || self.is_benchmarking() || self.is_reserved() @@ -1515,8 +1519,12 @@ impl Ipv6Addr { // AS112-v6 (`2001:4:112::/48`) || matches!(self.segments(), [0x2001, 4, 0x112, _, _, _, _, _]) // ORCHIDv2 (`2001:20::/28`) - || matches!(self.segments(), [0x2001, b, _, _, _, _, _, _] if b >= 0x20 && b <= 0x2F) + // Drone Remote ID Protocol Entity Tags (DETs) Prefix (`2001:30::/28`)` + || matches!(self.segments(), [0x2001, b, _, _, _, _, _, _] if b >= 0x20 && b <= 0x3F) )) + // 6to4 (`2002::/16`) – it's not explicitly documented as globally reachable, + // IANA says N/A. + || matches!(self.segments(), [0x2002, _, _, _, _, _, _, _]) || self.is_documentation() || self.is_unique_local() || self.is_unicast_link_local()) diff --git a/library/core/tests/net/ip_addr.rs b/library/core/tests/net/ip_addr.rs index 7530fc08487..7f7802c221a 100644 --- a/library/core/tests/net/ip_addr.rs +++ b/library/core/tests/net/ip_addr.rs @@ -461,6 +461,10 @@ fn ipv4_properties() { check!("198.18.54.2", benchmarking); check!("198.19.255.255", benchmarking); check!("192.0.0.0"); + check!("192.0.0.8"); + check!("192.0.0.9", global); + check!("192.0.0.10", global); + check!("192.0.0.11"); check!("192.0.0.255"); check!("192.0.0.100"); check!("240.0.0.0", reserved); @@ -480,6 +484,10 @@ fn ipv6_properties() { } macro_rules! check { + ($s:expr, &[$($octet:expr),*]) => { + check!($s, &[$($octet),*], 0); + }; + ($s:expr, &[$($octet:expr),*], $mask:expr) => { assert_eq!($s, ip!($s).to_string()); let octets = &[$($octet),*]; @@ -656,8 +664,8 @@ fn ipv6_properties() { &[0x20, 1, 0, 0x20, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], global | unicast_global ); - - check!("2001:30::", &[0x20, 1, 0, 0x30, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], unicast_global); + check!("2001:30::", &[0x20, 1, 0, 0x30, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], global | unicast_global); + check!("2001:40::", &[0x20, 1, 0, 0x40, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], unicast_global); check!( "2001:200::", @@ -665,6 +673,8 @@ fn ipv6_properties() { global | unicast_global ); + check!("2002::", &[0x20, 0x02, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], unicast_global); + check!("fc00::", &[0xfc, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], unique_local); check!( diff --git a/library/std/src/sync/mutex.rs b/library/std/src/sync/mutex.rs index 0c001d7c258..184c406e326 100644 --- a/library/std/src/sync/mutex.rs +++ b/library/std/src/sync/mutex.rs @@ -383,8 +383,6 @@ impl<T: ?Sized> Mutex<T> { /// # Examples /// /// ``` - /// #![feature(mutex_unpoison)] - /// /// use std::sync::{Arc, Mutex}; /// use std::thread; /// @@ -406,7 +404,7 @@ impl<T: ?Sized> Mutex<T> { /// assert_eq!(*x, 1); /// ``` #[inline] - #[unstable(feature = "mutex_unpoison", issue = "96469")] + #[stable(feature = "mutex_unpoison", since = "CURRENT_RUSTC_VERSION")] pub fn clear_poison(&self) { self.poison.clear(); } diff --git a/library/std/src/sync/rwlock.rs b/library/std/src/sync/rwlock.rs index 5d8967bfbe6..23d3dd0707a 100644 --- a/library/std/src/sync/rwlock.rs +++ b/library/std/src/sync/rwlock.rs @@ -387,8 +387,6 @@ impl<T: ?Sized> RwLock<T> { /// # Examples /// /// ``` - /// #![feature(mutex_unpoison)] - /// /// use std::sync::{Arc, RwLock}; /// use std::thread; /// @@ -410,7 +408,7 @@ impl<T: ?Sized> RwLock<T> { /// assert_eq!(*guard, 1); /// ``` #[inline] - #[unstable(feature = "mutex_unpoison", issue = "96469")] + #[stable(feature = "mutex_unpoison", since = "CURRENT_RUSTC_VERSION")] pub fn clear_poison(&self) { self.poison.clear(); } diff --git a/src/bootstrap/Cargo.lock b/src/bootstrap/Cargo.lock index 95553e7ea02..e2c90cc8c84 100644 --- a/src/bootstrap/Cargo.lock +++ b/src/bootstrap/Cargo.lock @@ -4,18 +4,18 @@ version = 3 [[package]] name = "aho-corasick" -version = "0.7.18" +version = "1.1.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1e37cfd5e7657ada45f742d6e99ca5788580b5c529dc78faf11ece6dc702656f" +checksum = "b2969dcb958b36655471fc61f7e416fa76033bdd4bfed0678d8fee1e2d07a1f0" dependencies = [ "memchr", ] [[package]] name = "anstyle" -version = "1.0.0" +version = "1.0.4" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "41ed9a86bf92ae6580e0a31281f65a1b1d867c0cc68d5346e2ae128dddfa6a7d" +checksum = "7079075b41f533b8c61d2a4d073c4676e1f8b249ff94a393b0595db304e0dd87" [[package]] name = "autocfg" @@ -37,9 +37,9 @@ checksum = "327762f6e5a765692301e5bb513e0d9fef63be86bbc14528052b1cd3e6f03e07" [[package]] name = "block-buffer" -version = "0.10.2" +version = "0.10.4" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "0bf7fe51849ea569fd452f37822f606a5cabb684dc918707a0193fd4664ff324" +checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71" dependencies = [ "generic-array", ] @@ -79,13 +79,13 @@ dependencies = [ [[package]] name = "bstr" -version = "0.2.17" +version = "1.9.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ba3569f383e8f1598449f1a423e72e99569137b47740b1da11ef19af3d5c3223" +checksum = "c48f0051a4b4c5e0b6d365cd04af53aeaa209e3cc15ec2cdb69e73cc87fbd0dc" dependencies = [ - "lazy_static", "memchr", "regex-automata", + "serde", ] [[package]] @@ -110,9 +110,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd" [[package]] name = "clap" -version = "4.4.7" +version = "4.4.13" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ac495e00dcec98c83465d5ad66c5c4fabd652fd6686e7c6269b117e729a6f17b" +checksum = "52bdc885e4cacc7f7c9eedc1ef6da641603180c783c41a15c264944deeaab642" dependencies = [ "clap_builder", "clap_derive", @@ -120,9 +120,9 @@ dependencies = [ [[package]] name = "clap_builder" -version = "4.4.7" +version = "4.4.12" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c77ed9a32a62e6ca27175d00d29d05ca32e396ea1eb5fb01d8256b669cec7663" +checksum = "fb7fb5e4e979aec3be7791562fcba452f94ad85e954da024396433e0e25a79e9" dependencies = [ "anstyle", "clap_lex", @@ -130,9 +130,9 @@ dependencies = [ [[package]] name = "clap_complete" -version = "4.4.3" +version = "4.4.6" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "e3ae8ba90b9d8b007efe66e55e48fb936272f5ca00349b5b0e89877520d35ea7" +checksum = "97aeaa95557bd02f23fbb662f981670c3d20c5a26e69f7354b28f57092437fcd" dependencies = [ "clap", ] @@ -166,24 +166,24 @@ dependencies = [ [[package]] name = "core-foundation-sys" -version = "0.8.3" +version = "0.8.6" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5827cebf4670468b8772dd191856768aedcb1b0278a04f989f7766351917b9dc" +checksum = "06ea2b9bc92be3c2baa9334a323ebca2d6f074ff852cd1d7b11064035cd3868f" [[package]] name = "cpufeatures" -version = "0.2.5" +version = "0.2.12" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "28d997bd5e24a5928dd43e46dc529867e207907fe0b239c3477d924f7f2ca320" +checksum = "53fe5e26ff1b7aef8bca9c6080520cfb8d9333c7568e1829cef191a9723e5504" dependencies = [ "libc", ] [[package]] name = "crossbeam-deque" -version = "0.8.2" +version = "0.8.4" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "715e8152b692bba2d374b53d4875445368fdf21a94751410af607a5ac677d1fc" +checksum = "fca89a0e215bab21874660c67903c5f143333cab1da83d041c7ded6053774751" dependencies = [ "cfg-if", "crossbeam-epoch", @@ -192,31 +192,29 @@ dependencies = [ [[package]] name = "crossbeam-epoch" -version = "0.9.13" +version = "0.9.17" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "01a9af1f4c2ef74bb8aa1f7e19706bc72d03598c8a570bb5de72243c7a9d9d5a" +checksum = "0e3681d554572a651dda4186cd47240627c3d0114d45a95f6ad27f2f22e7548d" dependencies = [ "autocfg", "cfg-if", "crossbeam-utils", - "memoffset", - "scopeguard", ] [[package]] name = "crossbeam-utils" -version = "0.8.14" +version = "0.8.18" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4fb766fa798726286dbbb842f174001dab8abc7b627a1dd86e0b7222a95d929f" +checksum = "c3a430a770ebd84726f584a90ee7f020d28db52c6d02138900f22341f866d39c" dependencies = [ "cfg-if", ] [[package]] name = "crypto-common" -version = "0.1.3" +version = "0.1.6" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "57952ca27b5e3606ff4dd79b0020231aaf9d6aa76dc05fd30137538c50bd3ce8" +checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3" dependencies = [ "generic-array", "typenum", @@ -224,15 +222,15 @@ dependencies = [ [[package]] name = "diff" -version = "0.1.12" +version = "0.1.13" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "0e25ea47919b1560c4e3b7fe0aaab9becf5b84a10325ddf7db0f0ba5e1026499" +checksum = "56254986775e3233ffa9c4d7d3faaf6d36a2c09d30b20687e9f88bc8bafc16c8" [[package]] name = "digest" -version = "0.10.3" +version = "0.10.7" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f2fb860ca6fafa5552fb6d0e816a69c8e49f0908bf524e30a90d97c85892d506" +checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292" dependencies = [ "block-buffer", "crypto-common", @@ -240,9 +238,9 @@ dependencies = [ [[package]] name = "either" -version = "1.6.1" +version = "1.9.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457" +checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07" [[package]] name = "errno" @@ -267,27 +265,21 @@ dependencies = [ [[package]] name = "filetime" -version = "0.2.16" +version = "0.2.23" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c0408e2626025178a6a7f7ffc05a25bc47103229f19c113755de7bf63816290c" +checksum = "1ee447700ac8aa0b2f2bd7bc4462ad686ba06baa6727ac149a2d6277f0d240fd" dependencies = [ "cfg-if", "libc", "redox_syscall", - "winapi", + "windows-sys", ] [[package]] -name = "fnv" -version = "1.0.7" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1" - -[[package]] name = "generic-array" -version = "0.14.5" +version = "0.14.7" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "fd48d33ec7f05fbfa152300fdad764757cbded343c1aa1cff2fbaf4134851803" +checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a" dependencies = [ "typenum", "version_check", @@ -295,15 +287,15 @@ dependencies = [ [[package]] name = "globset" -version = "0.4.8" +version = "0.4.14" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "10463d9ff00a2a068db14231982f5132edebad0d7660cd956a1c30292dbcbfbd" +checksum = "57da3b9b5b85bd66f31093f8c408b90a74431672542466497dcbdfdc02034be1" dependencies = [ "aho-corasick", "bstr", - "fnv", "log", - "regex", + "regex-automata", + "regex-syntax", ] [[package]] @@ -314,36 +306,34 @@ checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8" [[package]] name = "home" -version = "0.5.4" +version = "0.5.9" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "747309b4b440c06d57b0b25f2aee03ee9b5e5397d288c60e21fc709bb98a7408" +checksum = "e3d1354bf6b7235cb4a0576c2619fd4ed18183f689b12b006a0ee7329eeff9a5" dependencies = [ - "winapi", + "windows-sys", ] [[package]] name = "ignore" -version = "0.4.18" +version = "0.4.21" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "713f1b139373f96a2e0ce3ac931cd01ee973c3c5dd7c40c0c2efe96ad2b6751d" +checksum = "747ad1b4ae841a78e8aba0d63adbfbeaea26b517b63705d47856b73015d27060" dependencies = [ - "crossbeam-utils", + "crossbeam-deque", "globset", - "lazy_static", "log", "memchr", - "regex", + "regex-automata", "same-file", - "thread_local", "walkdir", "winapi-util", ] [[package]] name = "itoa" -version = "1.0.2" +version = "1.0.10" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "112c678d4050afce233f4f2852bb2eb519230b3cf12f33585275537d7e41578d" +checksum = "b1a46d1a171d865aa5f83f92695765caa047a9b4cbae2cbf37dbd613a793fd4c" [[package]] name = "junction" @@ -356,16 +346,10 @@ dependencies = [ ] [[package]] -name = "lazy_static" -version = "1.4.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646" - -[[package]] name = "libc" -version = "0.2.150" +version = "0.2.151" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c" +checksum = "302d7ab3130588088d277783b1e2d2e10c9e9e4a16dd9050e6ec93fb3e7048f4" [[package]] name = "linux-raw-sys" @@ -375,18 +359,15 @@ checksum = "c4cd1a83af159aa67994778be9070f0ae1bd732942279cabb14f86f986a21456" [[package]] name = "log" -version = "0.4.17" +version = "0.4.20" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "abb12e687cfb44aa40f41fc3978ef76448f9b6038cad6aef4259d3c095a2382e" -dependencies = [ - "cfg-if", -] +checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f" [[package]] name = "lzma-sys" -version = "0.1.17" +version = "0.1.20" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "bdb4b7c3eddad11d3af9e86c487607d2d2442d185d848575365c4856ba96d619" +checksum = "5fda04ab3764e6cde78b9974eec4f779acaba7c4e84b36eca3cf77c581b85d27" dependencies = [ "cc", "libc", @@ -395,33 +376,24 @@ dependencies = [ [[package]] name = "memchr" -version = "2.5.0" +version = "2.7.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d" - -[[package]] -name = "memoffset" -version = "0.7.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5de893c32cde5f383baa4c04c5d6dbdd735cfd4a794b0debdb2bb1b421da5ff4" -dependencies = [ - "autocfg", -] +checksum = "523dc4f511e55ab87b694dc30d0f820d60906ef06413f93d4d7a1385599cc149" [[package]] name = "ntapi" -version = "0.4.0" +version = "0.4.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "bc51db7b362b205941f71232e56c625156eb9a929f8cf74a428fd5bc094a4afc" +checksum = "e8a3895c6391c39d7fe7ebc444a87eb2991b2a0bc718fdabd071eec617fc68e4" dependencies = [ "winapi", ] [[package]] name = "object" -version = "0.32.0" +version = "0.32.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "77ac5bbd07aea88c60a577a1ce218075ffd59208b2d7ca97adf9bfc5aeb21ebe" +checksum = "a6a622008b6e321afc04970976f62ee297fdbaa6f95318ca343e3eebb9648441" dependencies = [ "memchr", ] @@ -434,9 +406,9 @@ checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92" [[package]] name = "opener" -version = "0.5.0" +version = "0.5.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4ea3ebcd72a54701f56345f16785a6d3ac2df7e986d273eb4395c0b01db17952" +checksum = "293c15678e37254c15bd2f092314abb4e51d7fdde05c2021279c12631b54f005" dependencies = [ "bstr", "winapi", @@ -444,9 +416,9 @@ dependencies = [ [[package]] name = "pkg-config" -version = "0.3.25" +version = "0.3.28" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1df8c4ec4b0627e53bdf214615ad287367e482558cf84b109250b37464dc03ae" +checksum = "69d3587f8a9e599cc7ec2c00e331f71c4e69a5f9a4b8a6efd5b07466b9736f9a" [[package]] name = "pretty_assertions" @@ -460,18 +432,18 @@ dependencies = [ [[package]] name = "proc-macro2" -version = "1.0.60" +version = "1.0.76" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "dec2b086b7a862cf4de201096214fa870344cf922b2b30c167badb3af3195406" +checksum = "95fc56cda0b5c3325f5fbbd7ff9fda9e02bb00bb3dac51252d2f1bfa1cb8cc8c" dependencies = [ "unicode-ident", ] [[package]] name = "quote" -version = "1.0.26" +version = "1.0.35" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc" +checksum = "291ec9ab5efd934aaf503a6466c5d5251535d108ee747472c3977cc5acc868ef" dependencies = [ "proc-macro2", ] @@ -498,18 +470,18 @@ dependencies = [ [[package]] name = "redox_syscall" -version = "0.2.13" +version = "0.4.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "62f25bc4c7e55e0b0b7a1d43fb893f4fa1361d0abe38b9ce4f323c2adfe6ef42" +checksum = "4722d768eff46b75989dd134e5c353f0d6296e5aaa3132e776cbdb56be7731aa" dependencies = [ "bitflags 1.3.2", ] [[package]] -name = "regex" -version = "1.5.6" +name = "regex-automata" +version = "0.4.3" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d83f127d94bdbcda4c8cc2e50f6f84f4b611f69c902699ca385a39c3a75f9ff1" +checksum = "5f804c7828047e88b2d32e2d7fe5a105da8ee3264f01902f796c8e067dc2483f" dependencies = [ "aho-corasick", "memchr", @@ -517,16 +489,10 @@ dependencies = [ ] [[package]] -name = "regex-automata" -version = "0.1.10" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "6c230d73fb8d8c1b9c0b3135c5142a8acee3a0558fb8db5cf1cb65f8d7862132" - -[[package]] name = "regex-syntax" -version = "0.6.26" +version = "0.8.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "49b3de9ec5dc0a3417da371aab17d729997c15010e7fd24ff707773a33bddb64" +checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f" [[package]] name = "rustix" @@ -543,9 +509,9 @@ dependencies = [ [[package]] name = "ryu" -version = "1.0.10" +version = "1.0.16" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f3f6f92acf49d1b98f7a81226834412ada05458b7364277387724a237f062695" +checksum = "f98d2aa92eebf49b69786be48e4477826b256916e84a57ff2a4f21923b48eb4c" [[package]] name = "same-file" @@ -558,27 +524,30 @@ dependencies = [ [[package]] name = "scopeguard" -version = "1.1.0" +version = "1.2.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd" +checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49" [[package]] name = "semver" -version = "1.0.17" +version = "1.0.21" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed" +checksum = "b97ed7a9823b74f99c7742f5336af7be5ecd3eeafcb1507d1fa93347b1d589b0" [[package]] name = "serde" -version = "1.0.160" +version = "1.0.195" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "bb2f3770c8bce3bcda7e149193a069a0f4365bda1fa5cd88e03bca26afc1216c" +checksum = "63261df402c67811e9ac6def069e4786148c4563f4b50fd4bf30aa370d626b02" +dependencies = [ + "serde_derive", +] [[package]] name = "serde_derive" -version = "1.0.160" +version = "1.0.195" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df" +checksum = "46fe8f8603d81ba86327b23a2e9cdf49e1255fb94a4c5f297f6ee0547178ea2c" dependencies = [ "proc-macro2", "quote", @@ -587,9 +556,9 @@ dependencies = [ [[package]] name = "serde_json" -version = "1.0.81" +version = "1.0.111" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9b7ce2b32a1aed03c558dc61a5cd328f15aff2dbc17daad8fb8af04d2100e15c" +checksum = "176e46fa42316f18edd598015a5166857fc835ec732f5215eac6b7bdbf0a84f4" dependencies = [ "itoa", "ryu", @@ -598,9 +567,9 @@ dependencies = [ [[package]] name = "sha2" -version = "0.10.2" +version = "0.10.8" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "55deaec60f81eefe3cce0dc50bda92d6d8e88f2a27df7c5033b42afeb1ed2676" +checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8" dependencies = [ "cfg-if", "cpufeatures", @@ -609,9 +578,9 @@ dependencies = [ [[package]] name = "syn" -version = "2.0.8" +version = "2.0.48" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "bcc02725fd69ab9f26eab07fad303e2497fad6fb9eba4f96c4d1687bdf704ad9" +checksum = "0f3531638e407dfc0814761abb7c00a5b54992b849452a0646b7f65c9f770f3f" dependencies = [ "proc-macro2", "quote", @@ -620,9 +589,9 @@ dependencies = [ [[package]] name = "sysinfo" -version = "0.30.3" +version = "0.30.5" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ba2dbd2894d23b2d78dae768d85e323b557ac3ac71a5d917a31536d8f77ebada" +checksum = "1fb4f3438c8f6389c864e61221cbc97e9bca98b4daf39a5beb7bea660f528bb2" dependencies = [ "cfg-if", "core-foundation-sys", @@ -635,9 +604,9 @@ dependencies = [ [[package]] name = "tar" -version = "0.4.38" +version = "0.4.40" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4b55807c0344e1e6c04d7c965f5289c39a8d94ae23ed5c0b57aabac549f871c6" +checksum = "b16afcea1f22891c49a00c751c7b63b2233284064f11a200fc624137c51e2ddb" dependencies = [ "filetime", "libc", @@ -646,42 +615,33 @@ dependencies = [ [[package]] name = "termcolor" -version = "1.2.0" +version = "1.4.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "be55cf8942feac5c765c2c993422806843c9a9a45d4d5c407ad6dd2ea95eb9b6" +checksum = "ff1bc3d3f05aff0403e8ac0d92ced918ec05b666a43f83297ccef5bea8a3d449" dependencies = [ "winapi-util", ] [[package]] -name = "thread_local" -version = "1.1.4" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5516c27b78311c50bf42c071425c560ac799b11c30b31f87e3081965fe5e0180" -dependencies = [ - "once_cell", -] - -[[package]] name = "toml" -version = "0.5.9" +version = "0.5.11" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8d82e1a7758622a465f8cee077614c73484dac5b836c02ff6a40d5d1010324d7" +checksum = "f4f7f0dd8d50a853a531c426359045b1998f04219d88799810762cd4ad314234" dependencies = [ "serde", ] [[package]] name = "typenum" -version = "1.15.0" +version = "1.17.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "dcf81ac59edc17cc8697ff311e8f5ef2d99fcbd9817b34cec66f90b6c3dfd987" +checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825" [[package]] name = "unicode-ident" -version = "1.0.0" +version = "1.0.12" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d22af068fba1eb5edcb4aea19d382b2a3deb4c8f9d475c589b6ada9e0fd493ee" +checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b" [[package]] name = "version_check" @@ -691,12 +651,11 @@ checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f" [[package]] name = "walkdir" -version = "2.3.2" +version = "2.4.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "808cf2735cd4b6866113f648b791c6adc5714537bc222d9347bb203386ffda56" +checksum = "d71d857dc86794ca4c280d616f7da00d2dbfd8cd788846559a6813e6aa4b54ee" dependencies = [ "same-file", - "winapi", "winapi-util", ] @@ -718,9 +677,9 @@ checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6" [[package]] name = "winapi-util" -version = "0.1.5" +version = "0.1.6" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178" +checksum = "f29e6f9198ba0d26b4c9f07dbe6f9ed633e1f3d5b8b414090084349e46a52596" dependencies = [ "winapi", ] @@ -818,18 +777,20 @@ checksum = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04" [[package]] name = "xattr" -version = "0.2.3" +version = "1.2.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "6d1526bbe5aaeb5eb06885f4d987bcdfa5e23187055de9b83fe00156a821fabc" +checksum = "914566e6413e7fa959cc394fb30e563ba80f3541fbd40816d4c05a0fc3f2a0f1" dependencies = [ "libc", + "linux-raw-sys", + "rustix", ] [[package]] name = "xz2" -version = "0.1.6" +version = "0.1.7" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c179869f34fc7c01830d3ce7ea2086bc3a07e0d35289b667d0a8bf910258926c" +checksum = "388c44dc09d76f1536602ead6d325eb532f5c122f17782bd57fb47baeeb767e2" dependencies = [ "lzma-sys", ] diff --git a/src/bootstrap/Cargo.toml b/src/bootstrap/Cargo.toml index 8e09f216d74..b232885c590 100644 --- a/src/bootstrap/Cargo.toml +++ b/src/bootstrap/Cargo.toml @@ -33,30 +33,34 @@ path = "src/bin/sccache-plus-cl.rs" test = false [dependencies] +# Most of the time updating these dependencies requires modifications +# to the bootstrap codebase; otherwise, some targets will fail. That's +# why these dependencies are explicitly pinned. +cc = "=1.0.73" +cmake = "=0.1.48" + build_helper = { path = "../tools/build_helper" } -cc = "1.0.69" -clap = { version = "4.4.7", default-features = false, features = ["std", "usage", "help", "derive", "error-context"] } -clap_complete = "4.4.3" -cmake = "0.1.38" +clap = { version = "4.4", default-features = false, features = ["std", "usage", "help", "derive", "error-context"] } +clap_complete = "4.4" fd-lock = "4.0" filetime = "0.2" -home = "0.5.4" -ignore = "0.4.10" -libc = "0.2.150" -object = { version = "0.32.0", default-features = false, features = ["archive", "coff", "read_core", "unaligned"] } -once_cell = "1.7.2" +home = "0.5" +ignore = "0.4" +libc = "0.2" +object = { version = "0.32", default-features = false, features = ["archive", "coff", "read_core", "unaligned"] } +once_cell = "1.19" opener = "0.5" -semver = "1.0.17" -serde = "1.0.137" +semver = "1.0" +serde = "1.0" # Directly use serde_derive rather than through the derive feature of serde to allow building both # in parallel and to allow serde_json and toml to start building as soon as serde has been built. -serde_derive = "1.0.137" -serde_json = "1.0.2" +serde_derive = "1.0" +serde_json = "1.0" sha2 = "0.10" tar = "0.4" -termcolor = "1.2.0" +termcolor = "1.4" toml = "0.5" -walkdir = "2" +walkdir = "2.4" xz2 = "0.1" # Dependencies needed by the build-metrics feature diff --git a/src/bootstrap/src/core/config/config.rs b/src/bootstrap/src/core/config/config.rs index 85132e405b4..fcdd742e69c 100644 --- a/src/bootstrap/src/core/config/config.rs +++ b/src/bootstrap/src/core/config/config.rs @@ -1776,7 +1776,6 @@ impl Config { check_ci_llvm!(static_libstdcpp); check_ci_llvm!(targets); check_ci_llvm!(experimental_targets); - check_ci_llvm!(link_jobs); check_ci_llvm!(clang_cl); check_ci_llvm!(version_suffix); check_ci_llvm!(cflags); diff --git a/src/ci/scripts/dump-environment.sh b/src/ci/scripts/dump-environment.sh index c6774b52ab9..812690181e9 100755 --- a/src/ci/scripts/dump-environment.sh +++ b/src/ci/scripts/dump-environment.sh @@ -1,6 +1,8 @@ #!/bin/bash # This script dumps information about the build environment to stdout. +source "$(cd "$(dirname "$0")" && pwd)/../shared.sh" + set -euo pipefail IFS=$'\n\t' @@ -17,3 +19,17 @@ set +o pipefail du . | sort -nr | head -n100 set -o pipefail echo + +if isMacOS +then + # Debugging information that might be helpful for diagnosing macOS + # performance issues. + # SIP + csrutil status + # Gatekeeper + spctl --status + # Authorization policy + DevToolsSecurity -status + # Spotlight status + mdutil -avs +fi diff --git a/src/doc/style-guide/src/README.md b/src/doc/style-guide/src/README.md index 9a59d80556e..dce50ebf29c 100644 --- a/src/doc/style-guide/src/README.md +++ b/src/doc/style-guide/src/README.md @@ -112,6 +112,90 @@ fn bar() {} fn baz() {} ``` +### Sorting + +In various cases, the default Rust style specifies to sort things. If not +otherwise specified, such sorting should be "version sorting", which ensures +that (for instance) `x8` comes before `x16` even though the character `1` comes +before the character `8`. (If not otherwise specified, version-sorting is +lexicographical.) + +For the purposes of the Rust style, to compare two strings for version-sorting: + +- Process both strings from beginning to end as two sequences of maximal-length + chunks, where each chunk consists either of a sequence of characters other + than ASCII digits, or a sequence of ASCII digits (a numeric chunk), and + compare corresponding chunks from the strings. +- To compare two numeric chunks, compare them by numeric value, ignoring + leading zeroes. If the two chunks have equal numeric value, but different + numbers of leading digits, and this is the first time this has happened for + these strings, treat the chunks as equal (moving on to the next chunk) but + remember which string had more leading zeroes. +- To compare two chunks if both are not numeric, compare them by Unicode + character lexicographically, except that `_` (underscore) sorts immediately + after ` ` (space) but before any other character. (This treats underscore as + a word separator, as commonly used in identifiers.) + - If the use of version sorting specifies further modifiers, such as sorting + non-lowercase before lowercase, apply those modifiers to the lexicographic + sort in this step. +- If the comparison reaches the end of the string and considers each pair of + chunks equal: + - If one of the numeric comparisons noted the earliest point at which one + string had more leading zeroes than the other, sort the string with more + leading zeroes first. + - Otherwise, the strings are equal. + +Note that there exist various algorithms called "version sorting", which +generally try to solve the same problem, but which differ in various ways (such +as in their handling of numbers with leading zeroes). This algorithm +does not purport to precisely match the behavior of any particular other +algorithm, only to produce a simple and satisfying result for Rust formatting. +In particular, this algorithm aims to produce a satisfying result for a set of +symbols that have the same number of leading zeroes, and an acceptable and +easily understandable result for a set of symbols that has varying numbers of +leading zeroes. + +As an example, version-sorting will sort the following strings in the order +given: +- `_ZYWX` +- `u_zzz` +- `u8` +- `u16` +- `u32` +- `u64` +- `u128` +- `u256` +- `ua` +- `usize` +- `uz` +- `v000` +- `v00` +- `v0` +- `v0s` +- `v00t` +- `v0u` +- `v001` +- `v01` +- `v1` +- `v009` +- `v09` +- `v9` +- `v010` +- `v10` +- `w005s09t` +- `w5s009t` +- `x64` +- `x86` +- `x86_32` +- `x86_64` +- `x86_128` +- `x87` +- `Z_YWX` +- `ZY_WX` +- `ZYW_X` +- `ZYWX` +- `ZYWX_` + ### [Module-level items](items.md) ### [Statements](statements.md) diff --git a/src/doc/style-guide/src/cargo.md b/src/doc/style-guide/src/cargo.md index d3b67ae4582..d47d0464228 100644 --- a/src/doc/style-guide/src/cargo.md +++ b/src/doc/style-guide/src/cargo.md @@ -8,11 +8,11 @@ Put a blank line between the last key-value pair in a section and the header of the next section. Do not place a blank line between section headers and the key-value pairs in that section, or between key-value pairs in a section. -Sort key names alphabetically within each section, with the exception of the +Version-sort key names within each section, with the exception of the `[package]` section. Put the `[package]` section at the top of the file; put the `name` and `version` keys in that order at the top of that section, -followed by the remaining keys other than `description` in alphabetical order, -followed by the `description` at the end of that section. +followed by the remaining keys other than `description` in order, followed by +the `description` at the end of that section. Don't use quotes around any standard key names; use bare keys. Only use quoted keys for non-standard keys whose names require them, and avoid introducing such diff --git a/src/doc/style-guide/src/editions.md b/src/doc/style-guide/src/editions.md index 5c67a185b8f..19e62c4867c 100644 --- a/src/doc/style-guide/src/editions.md +++ b/src/doc/style-guide/src/editions.md @@ -37,6 +37,8 @@ history of the style guide. Notable changes in the Rust 2024 style edition include: - Miscellaneous `rustfmt` bugfixes. +- Use version-sort (sort `x8`, `x16`, `x32`, `x64`, `x128` in that order). +- Change "ASCIIbetical" sort to Unicode-aware "non-lowercase before lowercase". ## Rust 2015/2018/2021 style edition diff --git a/src/doc/style-guide/src/items.md b/src/doc/style-guide/src/items.md index b215de6ad28..0066a4bacb9 100644 --- a/src/doc/style-guide/src/items.md +++ b/src/doc/style-guide/src/items.md @@ -9,8 +9,8 @@ an item appears at module level or within another item. alphabetically. `use` statements, and module *declarations* (`mod foo;`, not `mod { ... }`) -must come before other items. Put imports before module declarations. Sort each -alphabetically, except that `self` and `super` must come before any other +must come before other items. Put imports before module declarations. +Version-sort each, except that `self` and `super` must come before any other names. Don't automatically move module declarations annotated with `#[macro_use]`, @@ -467,8 +467,10 @@ foo::{ A *group* of imports is a set of imports on the same or sequential lines. One or more blank lines or other items (e.g., a function) separate groups of imports. -Within a group of imports, imports must be sorted ASCIIbetically (uppercase -before lowercase). Groups of imports must not be merged or re-ordered. +Within a group of imports, imports must be version-sorted, except that +non-lowercase characters (characters that can start an `UpperCamelCase` +identifier) must be sorted before lowercase characters. Groups of imports must +not be merged or re-ordered. E.g., input: @@ -495,10 +497,15 @@ re-ordering. ### Ordering list import -Names in a list import must be sorted ASCIIbetically, but with `self` and -`super` first, and groups and glob imports last. This applies recursively. For -example, `a::*` comes before `b::a` but `a::b` comes before `a::*`. E.g., -`use foo::bar::{a, b::c, b::d, b::d::{x, y, z}, b::{self, r, s}};`. +Names in a list import must be version-sorted, except that: +- `self` and `super` always come first if present, +- non-lowercase characters (characters that can start an `UpperCamelCase` + identifier) must be sorted before lowercase characters, and +- groups and glob imports always come last if present. + +This applies recursively. For example, `a::*` comes before `b::a` but `a::b` +comes before `a::*`. E.g., `use foo::bar::{a, b::c, b::d, b::d::{x, y, z}, +b::{self, r, s}};`. ### Normalisation diff --git a/src/etc/completions/x.py.sh b/src/etc/completions/x.py.sh index 8ffd8f67df2..e1436dcde67 100644 --- a/src/etc/completions/x.py.sh +++ b/src/etc/completions/x.py.sh @@ -1761,4 +1761,8 @@ _x.py() { esac } -complete -F _x.py -o nosort -o bashdefault -o default x.py +if [[ "${BASH_VERSINFO[0]}" -eq 4 && "${BASH_VERSINFO[1]}" -ge 4 || "${BASH_VERSINFO[0]}" -gt 4 ]]; then + complete -F _x.py -o nosort -o bashdefault -o default x.py +else + complete -F _x.py -o bashdefault -o default x.py +fi diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs index 0e81b31dd6c..9c0a8634990 100644 --- a/src/librustdoc/clean/mod.rs +++ b/src/librustdoc/clean/mod.rs @@ -207,8 +207,13 @@ pub(crate) fn clean_trait_ref_with_bindings<'tcx>( span_bug!(cx.tcx.def_span(trait_ref.def_id()), "`TraitRef` had unexpected kind {kind:?}"); } inline::record_extern_fqn(cx, trait_ref.def_id(), kind); - let path = - external_path(cx, trait_ref.def_id(), true, bindings, trait_ref.map_bound(|tr| tr.args)); + let path = clean_middle_path( + cx, + trait_ref.def_id(), + true, + bindings, + trait_ref.map_bound(|tr| tr.args), + ); debug!(?trait_ref); @@ -467,7 +472,7 @@ fn projection_to_path_segment<'tcx>( PathSegment { name: item.name, args: GenericArgs::AngleBracketed { - args: ty_args_to_args( + args: clean_middle_generic_args( cx, ty.map_bound(|ty| &ty.args[generics.parent_count..]), false, @@ -1903,7 +1908,7 @@ fn normalize<'tcx>( fn clean_trait_object_lifetime_bound<'tcx>( region: ty::Region<'tcx>, - container: Option<ContainerTy<'tcx>>, + container: Option<ContainerTy<'_, 'tcx>>, preds: &'tcx ty::List<ty::PolyExistentialPredicate<'tcx>>, tcx: TyCtxt<'tcx>, ) -> Option<Lifetime> { @@ -1932,7 +1937,7 @@ fn clean_trait_object_lifetime_bound<'tcx>( fn can_elide_trait_object_lifetime_bound<'tcx>( region: ty::Region<'tcx>, - container: Option<ContainerTy<'tcx>>, + container: Option<ContainerTy<'_, 'tcx>>, preds: &'tcx ty::List<ty::PolyExistentialPredicate<'tcx>>, tcx: TyCtxt<'tcx>, ) -> bool { @@ -1979,21 +1984,22 @@ fn can_elide_trait_object_lifetime_bound<'tcx>( } #[derive(Debug)] -pub(crate) enum ContainerTy<'tcx> { +pub(crate) enum ContainerTy<'a, 'tcx> { Ref(ty::Region<'tcx>), Regular { ty: DefId, - args: ty::Binder<'tcx, &'tcx [ty::GenericArg<'tcx>]>, - has_self: bool, + /// The arguments *have* to contain an arg for the self type if the corresponding generics + /// contain a self type. + args: ty::Binder<'tcx, &'a [ty::GenericArg<'tcx>]>, arg: usize, }, } -impl<'tcx> ContainerTy<'tcx> { +impl<'tcx> ContainerTy<'_, 'tcx> { fn object_lifetime_default(self, tcx: TyCtxt<'tcx>) -> ObjectLifetimeDefault<'tcx> { match self { Self::Ref(region) => ObjectLifetimeDefault::Arg(region), - Self::Regular { ty: container, args, has_self, arg: index } => { + Self::Regular { ty: container, args, arg: index } => { let (DefKind::Struct | DefKind::Union | DefKind::Enum @@ -2006,14 +2012,7 @@ impl<'tcx> ContainerTy<'tcx> { let generics = tcx.generics_of(container); debug_assert_eq!(generics.parent_count, 0); - // If the container is a trait object type, the arguments won't contain the self type but the - // generics of the corresponding trait will. In such a case, offset the index by one. - // For comparison, if the container is a trait inside a bound, the arguments do contain the - // self type. - let offset = - if !has_self && generics.parent.is_none() && generics.has_self { 1 } else { 0 }; - let param = generics.params[index + offset].def_id; - + let param = generics.params[index].def_id; let default = tcx.object_lifetime_default(param); match default { rbv::ObjectLifetimeDefault::Param(lifetime) => { @@ -2045,7 +2044,7 @@ pub(crate) fn clean_middle_ty<'tcx>( bound_ty: ty::Binder<'tcx, Ty<'tcx>>, cx: &mut DocContext<'tcx>, parent_def_id: Option<DefId>, - container: Option<ContainerTy<'tcx>>, + container: Option<ContainerTy<'_, 'tcx>>, ) -> Type { let bound_ty = normalize(cx, bound_ty).unwrap_or(bound_ty); match *bound_ty.skip_binder().kind() { @@ -2096,12 +2095,12 @@ pub(crate) fn clean_middle_ty<'tcx>( AdtKind::Enum => ItemType::Enum, }; inline::record_extern_fqn(cx, did, kind); - let path = external_path(cx, did, false, ThinVec::new(), bound_ty.rebind(args)); + let path = clean_middle_path(cx, did, false, ThinVec::new(), bound_ty.rebind(args)); Type::Path { path } } ty::Foreign(did) => { inline::record_extern_fqn(cx, did, ItemType::ForeignType); - let path = external_path( + let path = clean_middle_path( cx, did, false, @@ -2132,7 +2131,7 @@ pub(crate) fn clean_middle_ty<'tcx>( let mut bounds = dids .map(|did| { let empty = ty::Binder::dummy(ty::GenericArgs::empty()); - let path = external_path(cx, did, false, ThinVec::new(), empty); + let path = clean_middle_path(cx, did, false, ThinVec::new(), empty); inline::record_extern_fqn(cx, did, ItemType::Trait); PolyTrait { trait_: path, generic_params: Vec::new() } }) @@ -2171,7 +2170,7 @@ pub(crate) fn clean_middle_ty<'tcx>( .collect(); let late_bound_regions = late_bound_regions.into_iter().collect(); - let path = external_path(cx, did, false, bindings, args); + let path = clean_middle_path(cx, did, false, bindings, args); bounds.insert(0, PolyTrait { trait_: path, generic_params: late_bound_regions }); DynTrait(bounds, lifetime) @@ -2193,7 +2192,7 @@ pub(crate) fn clean_middle_ty<'tcx>( assoc: PathSegment { name: cx.tcx.associated_item(def_id).name, args: GenericArgs::AngleBracketed { - args: ty_args_to_args( + args: clean_middle_generic_args( cx, alias_ty.map_bound(|ty| ty.args.as_slice()), true, @@ -2213,7 +2212,7 @@ pub(crate) fn clean_middle_ty<'tcx>( if cx.tcx.features().lazy_type_alias { // Weak type alias `data` represents the `type X` in `type X = Y`. If we need `Y`, // we need to use `type_of`. - let path = external_path( + let path = clean_middle_path( cx, data.def_id, false, @@ -2243,7 +2242,8 @@ pub(crate) fn clean_middle_ty<'tcx>( ty::Alias(ty::Opaque, ty::AliasTy { def_id, args, .. }) => { // If it's already in the same alias, don't get an infinite loop. if cx.current_type_aliases.contains_key(&def_id) { - let path = external_path(cx, def_id, false, ThinVec::new(), bound_ty.rebind(args)); + let path = + clean_middle_path(cx, def_id, false, ThinVec::new(), bound_ty.rebind(args)); Type::Path { path } } else { *cx.current_type_aliases.entry(def_id).or_insert(0) += 1; @@ -2995,13 +2995,13 @@ fn clean_use_statement_inner<'tcx>( visibility.is_accessible_from(parent_mod, cx.tcx) && !current_mod.is_top_level_module(); if pub_underscore && let Some(ref inline) = inline_attr { - rustc_errors::struct_span_err!( + rustc_errors::struct_span_code_err!( cx.tcx.dcx(), inline.span(), E0780, "anonymous imports cannot be inlined" ) - .span_label_mv(import.span, "anonymous import") + .with_span_label(import.span, "anonymous import") .emit(); } diff --git a/src/librustdoc/clean/types.rs b/src/librustdoc/clean/types.rs index 179f37e6d96..90eb783c7ca 100644 --- a/src/librustdoc/clean/types.rs +++ b/src/librustdoc/clean/types.rs @@ -36,7 +36,7 @@ use rustc_target::abi::VariantIdx; use rustc_target::spec::abi::Abi; use crate::clean::cfg::Cfg; -use crate::clean::external_path; +use crate::clean::clean_middle_path; use crate::clean::inline::{self, print_inlined_const}; use crate::clean::utils::{is_literal_expr, print_evaluated_const}; use crate::core::DocContext; @@ -1258,7 +1258,7 @@ impl GenericBound { fn sized_with(cx: &mut DocContext<'_>, modifier: hir::TraitBoundModifier) -> GenericBound { let did = cx.tcx.require_lang_item(LangItem::Sized, None); let empty = ty::Binder::dummy(ty::GenericArgs::empty()); - let path = external_path(cx, did, false, ThinVec::new(), empty); + let path = clean_middle_path(cx, did, false, ThinVec::new(), empty); inline::record_extern_fqn(cx, did, ItemType::Trait); GenericBound::TraitBound(PolyTrait { trait_: path, generic_params: Vec::new() }, modifier) } diff --git a/src/librustdoc/clean/utils.rs b/src/librustdoc/clean/utils.rs index bdfda07be09..437517598ac 100644 --- a/src/librustdoc/clean/utils.rs +++ b/src/librustdoc/clean/utils.rs @@ -16,9 +16,10 @@ use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::{DefId, LocalDefId, LOCAL_CRATE}; use rustc_metadata::rendered_const; use rustc_middle::mir; +use rustc_middle::ty::TypeVisitableExt; use rustc_middle::ty::{self, GenericArgKind, GenericArgsRef, TyCtxt}; -use rustc_middle::ty::{TypeVisitable, TypeVisitableExt}; use rustc_span::symbol::{kw, sym, Symbol}; +use std::assert_matches::debug_assert_matches; use std::fmt::Write as _; use std::mem; use std::sync::LazyLock as Lazy; @@ -75,80 +76,83 @@ pub(crate) fn krate(cx: &mut DocContext<'_>) -> Crate { Crate { module, external_traits: cx.external_traits.clone() } } -pub(crate) fn ty_args_to_args<'tcx>( +pub(crate) fn clean_middle_generic_args<'tcx>( cx: &mut DocContext<'tcx>, - ty_args: ty::Binder<'tcx, &'tcx [ty::GenericArg<'tcx>]>, - has_self: bool, + args: ty::Binder<'tcx, &'tcx [ty::GenericArg<'tcx>]>, + mut has_self: bool, owner: DefId, ) -> Vec<GenericArg> { - if ty_args.skip_binder().is_empty() { + let (args, bound_vars) = (args.skip_binder(), args.bound_vars()); + if args.is_empty() { // Fast path which avoids executing the query `generics_of`. return Vec::new(); } - let params = &cx.tcx.generics_of(owner).params; - let mut elision_has_failed_once_before = false; + // If the container is a trait object type, the arguments won't contain the self type but the + // generics of the corresponding trait will. In such a case, prepend a dummy self type in order + // to align the arguments and parameters for the iteration below and to enable us to correctly + // instantiate the generic parameter default later. + let generics = cx.tcx.generics_of(owner); + let args = if !has_self && generics.parent.is_none() && generics.has_self { + has_self = true; + [cx.tcx.types.trait_object_dummy_self.into()] + .into_iter() + .chain(args.iter().copied()) + .collect::<Vec<_>>() + .into() + } else { + std::borrow::Cow::from(args) + }; - let offset = if has_self { 1 } else { 0 }; - let mut args = Vec::with_capacity(ty_args.skip_binder().len().saturating_sub(offset)); + let mut elision_has_failed_once_before = false; + let clean_arg = |(index, &arg): (usize, &ty::GenericArg<'tcx>)| { + // Elide the self type. + if has_self && index == 0 { + return None; + } - let ty_arg_to_arg = |(index, arg): (usize, &ty::GenericArg<'tcx>)| match arg.unpack() { - GenericArgKind::Lifetime(lt) => { - Some(GenericArg::Lifetime(clean_middle_region(lt).unwrap_or(Lifetime::elided()))) + // Elide internal host effect args. + let param = generics.param_at(index, cx.tcx); + if param.is_host_effect() { + return None; } - GenericArgKind::Type(_) if has_self && index == 0 => None, - GenericArgKind::Type(ty) => { - if !elision_has_failed_once_before - && let Some(default) = params[index].default_value(cx.tcx) - { - let default = - ty_args.map_bound(|args| default.instantiate(cx.tcx, args).expect_ty()); - - if can_elide_generic_arg(ty_args.rebind(ty), default) { - return None; - } - elision_has_failed_once_before = true; + let arg = ty::Binder::bind_with_vars(arg, bound_vars); + + // Elide arguments that coincide with their default. + if !elision_has_failed_once_before && let Some(default) = param.default_value(cx.tcx) { + let default = default.instantiate(cx.tcx, args.as_ref()); + if can_elide_generic_arg(arg, arg.rebind(default)) { + return None; } + elision_has_failed_once_before = true; + } - Some(GenericArg::Type(clean_middle_ty( - ty_args.rebind(ty), + match arg.skip_binder().unpack() { + GenericArgKind::Lifetime(lt) => { + Some(GenericArg::Lifetime(clean_middle_region(lt).unwrap_or(Lifetime::elided()))) + } + GenericArgKind::Type(ty) => Some(GenericArg::Type(clean_middle_ty( + arg.rebind(ty), cx, None, Some(crate::clean::ContainerTy::Regular { ty: owner, - args: ty_args, - has_self, + args: arg.rebind(args.as_ref()), arg: index, }), - ))) - } - GenericArgKind::Const(ct) => { - if let ty::GenericParamDefKind::Const { is_host_effect: true, .. } = params[index].kind - { - return None; - } - - if !elision_has_failed_once_before - && let Some(default) = params[index].default_value(cx.tcx) - { - let default = - ty_args.map_bound(|args| default.instantiate(cx.tcx, args).expect_const()); - - if can_elide_generic_arg(ty_args.rebind(ct), default) { - return None; - } - - elision_has_failed_once_before = true; + ))), + GenericArgKind::Const(ct) => { + Some(GenericArg::Const(Box::new(clean_middle_const(arg.rebind(ct), cx)))) } - - Some(GenericArg::Const(Box::new(clean_middle_const(ty_args.rebind(ct), cx)))) } }; - args.extend(ty_args.skip_binder().iter().enumerate().rev().filter_map(ty_arg_to_arg)); - args.reverse(); - args + let offset = if has_self { 1 } else { 0 }; + let mut clean_args = Vec::with_capacity(args.len().saturating_sub(offset)); + clean_args.extend(args.iter().enumerate().rev().filter_map(clean_arg)); + clean_args.reverse(); + clean_args } /// Check if the generic argument `actual` coincides with the `default` and can therefore be elided. @@ -156,13 +160,17 @@ pub(crate) fn ty_args_to_args<'tcx>( /// This uses a very conservative approach for performance and correctness reasons, meaning for /// several classes of terms it claims that they cannot be elided even if they theoretically could. /// This is absolutely fine since it mostly concerns edge cases. -fn can_elide_generic_arg<'tcx, Term>( - actual: ty::Binder<'tcx, Term>, - default: ty::Binder<'tcx, Term>, -) -> bool -where - Term: Eq + TypeVisitable<TyCtxt<'tcx>>, -{ +fn can_elide_generic_arg<'tcx>( + actual: ty::Binder<'tcx, ty::GenericArg<'tcx>>, + default: ty::Binder<'tcx, ty::GenericArg<'tcx>>, +) -> bool { + debug_assert_matches!( + (actual.skip_binder().unpack(), default.skip_binder().unpack()), + (ty::GenericArgKind::Lifetime(_), ty::GenericArgKind::Lifetime(_)) + | (ty::GenericArgKind::Type(_), ty::GenericArgKind::Type(_)) + | (ty::GenericArgKind::Const(_), ty::GenericArgKind::Const(_)) + ); + // In practice, we shouldn't have any inference variables at this point. // However to be safe, we bail out if we do happen to stumble upon them. if actual.has_infer() || default.has_infer() { @@ -192,14 +200,14 @@ where actual.skip_binder() == default.skip_binder() } -fn external_generic_args<'tcx>( +fn clean_middle_generic_args_with_bindings<'tcx>( cx: &mut DocContext<'tcx>, did: DefId, has_self: bool, bindings: ThinVec<TypeBinding>, ty_args: ty::Binder<'tcx, GenericArgsRef<'tcx>>, ) -> GenericArgs { - let args = ty_args_to_args(cx, ty_args.map_bound(|args| &args[..]), has_self, did); + let args = clean_middle_generic_args(cx, ty_args.map_bound(|args| &args[..]), has_self, did); if cx.tcx.fn_trait_kind_from_def_id(did).is_some() { let ty = ty_args @@ -225,7 +233,7 @@ fn external_generic_args<'tcx>( } } -pub(super) fn external_path<'tcx>( +pub(super) fn clean_middle_path<'tcx>( cx: &mut DocContext<'tcx>, did: DefId, has_self: bool, @@ -238,7 +246,7 @@ pub(super) fn external_path<'tcx>( res: Res::Def(def_kind, did), segments: thin_vec![PathSegment { name, - args: external_generic_args(cx, did, has_self, bindings, args), + args: clean_middle_generic_args_with_bindings(cx, did, has_self, bindings, args), }], } } diff --git a/src/librustdoc/config.rs b/src/librustdoc/config.rs index 614a64d4020..3f7f9270b2d 100644 --- a/src/librustdoc/config.rs +++ b/src/librustdoc/config.rs @@ -421,7 +421,7 @@ impl Options { let paths = match theme::load_css_paths(content) { Ok(p) => p, Err(e) => { - dcx.struct_err(e).emit(); + dcx.err(e); return Err(1); } }; @@ -452,10 +452,10 @@ impl Options { let input = PathBuf::from(if describe_lints { "" // dummy, this won't be used } else if matches.free.is_empty() { - dcx.struct_err("missing file operand").emit(); + dcx.err("missing file operand"); return Err(1); } else if matches.free.len() > 1 { - dcx.struct_err("too many file operands").emit(); + dcx.err("too many file operands"); return Err(1); } else { &matches.free[0] @@ -467,7 +467,7 @@ impl Options { let extern_html_root_urls = match parse_extern_html_roots(matches) { Ok(ex) => ex, Err(err) => { - dcx.struct_err(err).emit(); + dcx.err(err); return Err(1); } }; @@ -534,7 +534,7 @@ impl Options { let output = matches.opt_str("output").map(|s| PathBuf::from(&s)); let output = match (out_dir, output) { (Some(_), Some(_)) => { - dcx.struct_err("cannot use both 'out-dir' and 'output' at once").emit(); + dcx.err("cannot use both 'out-dir' and 'output' at once"); return Err(1); } (Some(out_dir), None) => out_dir, @@ -549,7 +549,7 @@ impl Options { if let Some(ref p) = extension_css { if !p.is_file() { - dcx.struct_err("option --extend-css argument must be a file").emit(); + dcx.err("option --extend-css argument must be a file"); return Err(1); } } @@ -567,7 +567,7 @@ impl Options { let paths = match theme::load_css_paths(content) { Ok(p) => p, Err(e) => { - dcx.struct_err(e).emit(); + dcx.err(e); return Err(1); } }; @@ -577,26 +577,26 @@ impl Options { { if !theme_file.is_file() { dcx.struct_err(format!("invalid argument: \"{theme_s}\"")) - .help_mv("arguments to --theme must be files") + .with_help("arguments to --theme must be files") .emit(); return Err(1); } if theme_file.extension() != Some(OsStr::new("css")) { dcx.struct_err(format!("invalid argument: \"{theme_s}\"")) - .help_mv("arguments to --theme must have a .css extension") + .with_help("arguments to --theme must have a .css extension") .emit(); return Err(1); } let (success, ret) = theme::test_theme_against(&theme_file, &paths, &dcx); if !success { - dcx.struct_err(format!("error loading theme file: \"{theme_s}\"")).emit(); + dcx.err(format!("error loading theme file: \"{theme_s}\"")); return Err(1); } else if !ret.is_empty() { dcx.struct_warn(format!( "theme file \"{theme_s}\" is missing CSS rules from the default theme", )) - .warn_mv("the theme may appear incorrect when loaded") - .help_mv(format!( + .with_warn("the theme may appear incorrect when loaded") + .with_help(format!( "to see what rules are missing, call `rustdoc --check-theme \"{theme_s}\"`", )) .emit(); @@ -626,7 +626,7 @@ impl Options { match matches.opt_str("r").as_deref() { Some("rust") | None => {} Some(s) => { - dcx.struct_err(format!("unknown input format: {s}")).emit(); + dcx.err(format!("unknown input format: {s}")); return Err(1); } } @@ -634,7 +634,7 @@ impl Options { let index_page = matches.opt_str("index-page").map(|s| PathBuf::from(&s)); if let Some(ref index_page) = index_page { if !index_page.is_file() { - dcx.struct_err("option `--index-page` argument must be a file").emit(); + dcx.err("option `--index-page` argument must be a file"); return Err(1); } } @@ -646,7 +646,7 @@ impl Options { let crate_types = match parse_crate_types_from_list(matches.opt_strs("crate-type")) { Ok(types) => types, Err(e) => { - dcx.struct_err(format!("unknown crate type: {e}")).emit(); + dcx.err(format!("unknown crate type: {e}")); return Err(1); } }; @@ -664,7 +664,7 @@ impl Options { out_fmt } Err(e) => { - dcx.struct_err(e).emit(); + dcx.err(e); return Err(1); } }, @@ -809,7 +809,7 @@ fn check_deprecated_options(matches: &getopts::Matches, dcx: &rustc_errors::Diag for &flag in deprecated_flags.iter() { if matches.opt_present(flag) { dcx.struct_warn(format!("the `{flag}` flag is deprecated")) - .note_mv( + .with_note( "see issue #44136 <https://github.com/rust-lang/rust/issues/44136> \ for more information", ) diff --git a/src/librustdoc/core.rs b/src/librustdoc/core.rs index 40ea4346f93..fa72758c216 100644 --- a/src/librustdoc/core.rs +++ b/src/librustdoc/core.rs @@ -495,15 +495,15 @@ impl<'tcx> Visitor<'tcx> for EmitIgnoredResolutionErrors<'tcx> { .intersperse("::") .collect::<String>() ); - rustc_errors::struct_span_err!( + rustc_errors::struct_span_code_err!( self.tcx.dcx(), path.span, E0433, "failed to resolve: {label}", ) - .span_label_mv(path.span, label) - .note_mv("this error was originally ignored because you are running `rustdoc`") - .note_mv("try running again with `rustc` or `cargo check` and you may get a more detailed error") + .with_span_label(path.span, label) + .with_note("this error was originally ignored because you are running `rustdoc`") + .with_note("try running again with `rustc` or `cargo check` and you may get a more detailed error") .emit(); } // We could have an outer resolution that succeeded, diff --git a/src/librustdoc/externalfiles.rs b/src/librustdoc/externalfiles.rs index 8bc0cdf3a95..57e82b877bf 100644 --- a/src/librustdoc/externalfiles.rs +++ b/src/librustdoc/externalfiles.rs @@ -96,7 +96,7 @@ pub(crate) fn load_string<P: AsRef<Path>>( match str::from_utf8(&contents) { Ok(s) => Ok(s.to_string()), Err(_) => { - dcx.struct_err(format!("error reading `{}`: not UTF-8", file_path.display())).emit(); + dcx.err(format!("error reading `{}`: not UTF-8", file_path.display())); Err(LoadStringError::BadUtf8) } } diff --git a/src/librustdoc/html/render/context.rs b/src/librustdoc/html/render/context.rs index aad63f8578a..fc6f51e8272 100644 --- a/src/librustdoc/html/render/context.rs +++ b/src/librustdoc/html/render/context.rs @@ -757,8 +757,7 @@ impl<'tcx> FormatRenderer<'tcx> for Context<'tcx> { // Flush pending errors. Rc::get_mut(&mut self.shared).unwrap().fs.close(); - let nb_errors = - self.shared.errors.iter().map(|err| self.tcx().dcx().struct_err(err).emit()).count(); + let nb_errors = self.shared.errors.iter().map(|err| self.tcx().dcx().err(err)).count(); if nb_errors > 0 { Err(Error::new(io::Error::new(io::ErrorKind::Other, "I/O error"), "")) } else { diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs index ad1838c53ad..d962beda4be 100644 --- a/src/librustdoc/lib.rs +++ b/src/librustdoc/lib.rs @@ -676,10 +676,7 @@ type MainResult = Result<(), ErrorGuaranteed>; fn wrap_return(dcx: &rustc_errors::DiagCtxt, res: Result<(), String>) -> MainResult { match res { Ok(()) => dcx.has_errors().map_or(Ok(()), Err), - Err(err) => { - let reported = dcx.struct_err(err).emit(); - Err(reported) - } + Err(err) => Err(dcx.err(err)), } } diff --git a/src/librustdoc/passes/collect_intra_doc_links.rs b/src/librustdoc/passes/collect_intra_doc_links.rs index 176494a3863..b843227d187 100644 --- a/src/librustdoc/passes/collect_intra_doc_links.rs +++ b/src/librustdoc/passes/collect_intra_doc_links.rs @@ -1228,7 +1228,7 @@ impl LinkCollector<'_, '_> { span, "linking to associated items of raw pointers is experimental", ) - .note_mv("rustdoc does not allow disambiguating between `*const` and `*mut`, and pointers are unstable until it does") + .with_note("rustdoc does not allow disambiguating between `*const` and `*mut`, and pointers are unstable until it does") .emit(); } diff --git a/src/librustdoc/theme.rs b/src/librustdoc/theme.rs index 98010b056c9..31d32e23f8e 100644 --- a/src/librustdoc/theme.rs +++ b/src/librustdoc/theme.rs @@ -244,7 +244,7 @@ pub(crate) fn test_theme_against<P: AsRef<Path>>( { Ok(c) => c, Err(e) => { - dcx.struct_err(e).emit(); + dcx.err(e); return (false, vec![]); } }; diff --git a/src/tools/cargo b/src/tools/cargo -Subproject 2ce45605d9db521b5fd6c1211ce8de6055fdb24 +Subproject 3e428a38a34e820a461d2cc082e726d3bda71bc diff --git a/src/tools/clippy/clippy_config/src/msrvs.rs b/src/tools/clippy/clippy_config/src/msrvs.rs index 76f3663f04f..dae9f09ec00 100644 --- a/src/tools/clippy/clippy_config/src/msrvs.rs +++ b/src/tools/clippy/clippy_config/src/msrvs.rs @@ -109,7 +109,7 @@ impl Msrv { if let Some(duplicate) = msrv_attrs.last() { sess.dcx() .struct_span_err(duplicate.span, "`clippy::msrv` is defined multiple times") - .span_note_mv(msrv_attr.span, "first definition found here") + .with_span_note(msrv_attr.span, "first definition found here") .emit(); } diff --git a/src/tools/clippy/clippy_utils/src/attrs.rs b/src/tools/clippy/clippy_utils/src/attrs.rs index 19d38903ade..ad8619f0d3d 100644 --- a/src/tools/clippy/clippy_utils/src/attrs.rs +++ b/src/tools/clippy/clippy_utils/src/attrs.rs @@ -136,7 +136,7 @@ pub fn get_unique_attr<'a>( if let Some(duplicate) = unique_attr { sess.dcx() .struct_span_err(attr.span, format!("`{name}` is defined multiple times")) - .span_note_mv(duplicate.span, "first definition found here") + .with_span_note(duplicate.span, "first definition found here") .emit(); } else { unique_attr = Some(attr); diff --git a/src/tools/miri/src/diagnostics.rs b/src/tools/miri/src/diagnostics.rs index d3d4490f302..bf3284df596 100644 --- a/src/tools/miri/src/diagnostics.rs +++ b/src/tools/miri/src/diagnostics.rs @@ -455,7 +455,7 @@ pub fn report_msg<'tcx>( let sess = machine.tcx.sess; let level = match diag_level { DiagLevel::Error => Level::Error, - DiagLevel::Warning => Level::Warning(None), + DiagLevel::Warning => Level::Warning, DiagLevel::Note => Level::Note, }; let mut err = DiagnosticBuilder::<()>::new(sess.dcx(), level, title); @@ -499,14 +499,12 @@ pub fn report_msg<'tcx>( err.note(if extra_span { "BACKTRACE (of the first span):" } else { "BACKTRACE:" }); } - let (mut err, handler) = err.into_diagnostic().unwrap(); - // Add backtrace for (idx, frame_info) in stacktrace.iter().enumerate() { let is_local = machine.is_local(frame_info); // No span for non-local frames and the first frame (which is the error site). if is_local && idx > 0 { - err.eager_subdiagnostic(handler, frame_info.as_note(machine.tcx)); + err.eager_subdiagnostic(err.dcx, frame_info.as_note(machine.tcx)); } else { let sm = sess.source_map(); let span = sm.span_to_embeddable_string(frame_info.span); @@ -514,7 +512,7 @@ pub fn report_msg<'tcx>( } } - handler.emit_diagnostic(err); + err.emit(); } impl<'mir, 'tcx> MiriMachine<'mir, 'tcx> { diff --git a/src/tools/rustfmt/src/parse/session.rs b/src/tools/rustfmt/src/parse/session.rs index 2663f16b8e8..f4fb5073dfd 100644 --- a/src/tools/rustfmt/src/parse/session.rs +++ b/src/tools/rustfmt/src/parse/session.rs @@ -446,7 +446,7 @@ mod tests { Some(ignore_list), ); let span = MultiSpan::from_span(mk_sp(BytePos(0), BytePos(1))); - let non_fatal_diagnostic = build_diagnostic(DiagnosticLevel::Warning(None), Some(span)); + let non_fatal_diagnostic = build_diagnostic(DiagnosticLevel::Warning, Some(span)); emitter.emit_diagnostic(&non_fatal_diagnostic); assert_eq!(num_emitted_errors.load(Ordering::Acquire), 0); assert_eq!(can_reset_errors.load(Ordering::Acquire), true); @@ -470,7 +470,7 @@ mod tests { None, ); let span = MultiSpan::from_span(mk_sp(BytePos(0), BytePos(1))); - let non_fatal_diagnostic = build_diagnostic(DiagnosticLevel::Warning(None), Some(span)); + let non_fatal_diagnostic = build_diagnostic(DiagnosticLevel::Warning, Some(span)); emitter.emit_diagnostic(&non_fatal_diagnostic); assert_eq!(num_emitted_errors.load(Ordering::Acquire), 1); assert_eq!(can_reset_errors.load(Ordering::Acquire), false); @@ -507,8 +507,8 @@ mod tests { ); let bar_span = MultiSpan::from_span(mk_sp(BytePos(0), BytePos(1))); let foo_span = MultiSpan::from_span(mk_sp(BytePos(21), BytePos(22))); - let bar_diagnostic = build_diagnostic(DiagnosticLevel::Warning(None), Some(bar_span)); - let foo_diagnostic = build_diagnostic(DiagnosticLevel::Warning(None), Some(foo_span)); + let bar_diagnostic = build_diagnostic(DiagnosticLevel::Warning, Some(bar_span)); + let foo_diagnostic = build_diagnostic(DiagnosticLevel::Warning, Some(foo_span)); let fatal_diagnostic = build_diagnostic(DiagnosticLevel::Fatal, None); emitter.emit_diagnostic(&bar_diagnostic); emitter.emit_diagnostic(&foo_diagnostic); diff --git a/src/tools/tidy/src/ui_tests.rs b/src/tools/tidy/src/ui_tests.rs index 32e271d4a56..ba569078f3d 100644 --- a/src/tools/tidy/src/ui_tests.rs +++ b/src/tools/tidy/src/ui_tests.rs @@ -11,7 +11,7 @@ use std::path::{Path, PathBuf}; const ENTRY_LIMIT: usize = 900; // FIXME: The following limits should be reduced eventually. const ISSUES_ENTRY_LIMIT: usize = 1849; -const ROOT_ENTRY_LIMIT: usize = 868; +const ROOT_ENTRY_LIMIT: usize = 869; const EXPECTED_TEST_FILE_EXTENSIONS: &[&str] = &[ "rs", // test source files diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-abort.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-abort.diff index 6e681b4f970..5f2a096bb1f 100644 --- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-abort.diff +++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-abort.diff @@ -61,7 +61,6 @@ + StorageDead(_10); + StorageDead(_11); + nop; - nop; StorageDead(_8); StorageDead(_3); StorageDead(_1); diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-unwind.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-unwind.diff index e987969d313..a49546f158c 100644 --- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-unwind.diff +++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-unwind.diff @@ -61,7 +61,6 @@ + StorageDead(_10); + StorageDead(_11); + nop; - nop; StorageDead(_8); StorageDead(_3); StorageDead(_1); diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-abort.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-abort.diff index 6e681b4f970..5f2a096bb1f 100644 --- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-abort.diff +++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-abort.diff @@ -61,7 +61,6 @@ + StorageDead(_10); + StorageDead(_11); + nop; - nop; StorageDead(_8); StorageDead(_3); StorageDead(_1); diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-unwind.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-unwind.diff index e987969d313..a49546f158c 100644 --- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-unwind.diff +++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-unwind.diff @@ -61,7 +61,6 @@ + StorageDead(_10); + StorageDead(_11); + nop; - nop; StorageDead(_8); StorageDead(_3); StorageDead(_1); diff --git a/tests/mir-opt/simplify_if.main.SimplifyConstCondition-after-const-prop.panic-abort.diff b/tests/mir-opt/simplify_if.main.SimplifyConstCondition-after-const-prop.panic-abort.diff index 64a435f2245..c3076fb67c2 100644 --- a/tests/mir-opt/simplify_if.main.SimplifyConstCondition-after-const-prop.panic-abort.diff +++ b/tests/mir-opt/simplify_if.main.SimplifyConstCondition-after-const-prop.panic-abort.diff @@ -6,8 +6,8 @@ let _1: (); bb0: { -- switchInt(const false) -> [0: bb3, otherwise: bb1]; -+ goto -> bb3; +- switchInt(const false) -> [0: bb2, otherwise: bb1]; ++ goto -> bb2; } bb1: { @@ -15,14 +15,6 @@ } bb2: { - goto -> bb4; - } - - bb3: { - goto -> bb4; - } - - bb4: { return; } } diff --git a/tests/mir-opt/simplify_if.main.SimplifyConstCondition-after-const-prop.panic-unwind.diff b/tests/mir-opt/simplify_if.main.SimplifyConstCondition-after-const-prop.panic-unwind.diff index 146e00686ed..6c346e20e58 100644 --- a/tests/mir-opt/simplify_if.main.SimplifyConstCondition-after-const-prop.panic-unwind.diff +++ b/tests/mir-opt/simplify_if.main.SimplifyConstCondition-after-const-prop.panic-unwind.diff @@ -6,8 +6,8 @@ let _1: (); bb0: { -- switchInt(const false) -> [0: bb3, otherwise: bb1]; -+ goto -> bb3; +- switchInt(const false) -> [0: bb2, otherwise: bb1]; ++ goto -> bb2; } bb1: { @@ -15,14 +15,6 @@ } bb2: { - goto -> bb4; - } - - bb3: { - goto -> bb4; - } - - bb4: { return; } } diff --git a/tests/mir-opt/simplify_match.main.GVN.panic-abort.diff b/tests/mir-opt/simplify_match.main.GVN.panic-abort.diff index 825babe7994..d7ade041e4c 100644 --- a/tests/mir-opt/simplify_match.main.GVN.panic-abort.diff +++ b/tests/mir-opt/simplify_match.main.GVN.panic-abort.diff @@ -11,19 +11,15 @@ bb0: { _2 = const false; -- switchInt(_2) -> [0: bb1, otherwise: bb2]; -+ switchInt(const false) -> [0: bb1, otherwise: bb2]; +- switchInt(_2) -> [0: bb2, otherwise: bb1]; ++ switchInt(const false) -> [0: bb2, otherwise: bb1]; } bb1: { - goto -> bb3; + _0 = noop() -> [return: bb2, unwind unreachable]; } bb2: { - _0 = noop() -> [return: bb3, unwind unreachable]; - } - - bb3: { return; } } diff --git a/tests/mir-opt/simplify_match.main.GVN.panic-unwind.diff b/tests/mir-opt/simplify_match.main.GVN.panic-unwind.diff index 24ab6c39788..931c5c43c4c 100644 --- a/tests/mir-opt/simplify_match.main.GVN.panic-unwind.diff +++ b/tests/mir-opt/simplify_match.main.GVN.panic-unwind.diff @@ -11,19 +11,15 @@ bb0: { _2 = const false; -- switchInt(_2) -> [0: bb1, otherwise: bb2]; -+ switchInt(const false) -> [0: bb1, otherwise: bb2]; +- switchInt(_2) -> [0: bb2, otherwise: bb1]; ++ switchInt(const false) -> [0: bb2, otherwise: bb1]; } bb1: { - goto -> bb3; + _0 = noop() -> [return: bb2, unwind continue]; } bb2: { - _0 = noop() -> [return: bb3, unwind continue]; - } - - bb3: { return; } } diff --git a/tests/rustdoc/inline_cross/auxiliary/default-generic-args.rs b/tests/rustdoc/inline_cross/auxiliary/default-generic-args.rs index 1e31f18927e..c2c94817fad 100644 --- a/tests/rustdoc/inline_cross/auxiliary/default-generic-args.rs +++ b/tests/rustdoc/inline_cross/auxiliary/default-generic-args.rs @@ -40,6 +40,11 @@ pub struct Multi<A = u64, B = u64>(A, B); pub type M0 = Multi<u64, ()>; -pub trait Trait<'a, T = &'a ()> {} - -pub type F = dyn for<'a> Trait<'a>; +pub trait Trait0<'a, T = &'a ()> {} +pub type D0 = dyn for<'a> Trait0<'a>; + +// Regression test for issue #119529. +pub trait Trait1<T = (), const K: u32 = 0> {} +pub type D1<T> = dyn Trait1<T>; +pub type D2<const K: u32> = dyn Trait1<(), K>; +pub type D3 = dyn Trait1; diff --git a/tests/rustdoc/inline_cross/auxiliary/u_default_generic_args.rs b/tests/rustdoc/inline_cross/auxiliary/u_default_generic_args.rs new file mode 100644 index 00000000000..a742dd7d865 --- /dev/null +++ b/tests/rustdoc/inline_cross/auxiliary/u_default_generic_args.rs @@ -0,0 +1 @@ +pub use default_generic_args::*; diff --git a/tests/rustdoc/inline_cross/default-generic-args.rs b/tests/rustdoc/inline_cross/default-generic-args.rs index c9a87a19901..775bf041532 100644 --- a/tests/rustdoc/inline_cross/default-generic-args.rs +++ b/tests/rustdoc/inline_cross/default-generic-args.rs @@ -79,15 +79,14 @@ pub use default_generic_args::P1; pub use default_generic_args::P2; // @has user/type.A0.html -// Ensure that we elide generic arguments that are alpha-equivalent to their respective -// generic parameter (modulo substs) (#1): -// @has - '//*[@class="rust item-decl"]//code' "Alpha" +// @has - '//*[@class="rust item-decl"]//code' "Alpha;" pub use default_generic_args::A0; // @has user/type.A1.html -// Ensure that we elide generic arguments that are alpha-equivalent to their respective -// generic parameter (modulo substs) (#1): -// @has - '//*[@class="rust item-decl"]//code' "Alpha" +// Demonstrates that we currently don't elide generic arguments that are alpha-equivalent to their +// respective generic parameter (after instantiation) for perf reasons (it would require us to +// create an inference context). +// @has - '//*[@class="rust item-decl"]//code' "Alpha<for<'arbitrary> fn(_: &'arbitrary ())>" pub use default_generic_args::A1; // @has user/type.M0.html @@ -97,8 +96,19 @@ pub use default_generic_args::A1; // @has - '//*[@class="rust item-decl"]//code' "Multi<u64, ()>" pub use default_generic_args::M0; -// @has user/type.F.html -// FIXME: Ideally, we would elide `&'a ()` but `'a` is an escaping bound var which we can't reason -// about at the moment since we don't keep track of bound vars. -// @has - '//*[@class="rust item-decl"]//code' "dyn for<'a> Trait<'a, &'a ()>" -pub use default_generic_args::F; +// @has user/type.D0.html +// @has - '//*[@class="rust item-decl"]//code' "dyn for<'a> Trait0<'a>" +pub use default_generic_args::D0; + +// Regression test for issue #119529. +// Check that we correctly elide def ty&const args inside trait object types. + +// @has user/type.D1.html +// @has - '//*[@class="rust item-decl"]//code' "dyn Trait1<T>" +pub use default_generic_args::D1; +// @has user/type.D2.html +// @has - '//*[@class="rust item-decl"]//code' "dyn Trait1<(), K>" +pub use default_generic_args::D2; +// @has user/type.D3.html +// @has - '//*[@class="rust item-decl"]//code' "dyn Trait1;" +pub use default_generic_args::D3; diff --git a/tests/ui-fulldeps/stable-mir/check_trait_queries.rs b/tests/ui-fulldeps/stable-mir/check_trait_queries.rs new file mode 100644 index 00000000000..fb1197e4ecc --- /dev/null +++ b/tests/ui-fulldeps/stable-mir/check_trait_queries.rs @@ -0,0 +1,125 @@ +// run-pass +//! Test that users are able to retrieve information about trait declarations and implementations. + +// ignore-stage1 +// ignore-cross-compile +// ignore-remote +// ignore-windows-gnu mingw has troubles with linking https://github.com/rust-lang/rust/pull/116837 +// edition: 2021 + +#![feature(rustc_private)] +#![feature(assert_matches)] +#![feature(control_flow_enum)] + +extern crate rustc_middle; +#[macro_use] +extern crate rustc_smir; +extern crate rustc_driver; +extern crate rustc_interface; +extern crate stable_mir; + +use rustc_middle::ty::TyCtxt; +use rustc_smir::rustc_internal; +use stable_mir::CrateDef; +use std::collections::HashSet; +use std::io::Write; +use std::ops::ControlFlow; + +const CRATE_NAME: &str = "trait_test"; + +/// This function uses the Stable MIR APIs to get information about the test crate. +fn test_traits() -> ControlFlow<()> { + let local_crate = stable_mir::local_crate(); + let local_traits = local_crate.trait_decls(); + assert_eq!(local_traits.len(), 1, "Expected `Max` trait, but found {:?}", local_traits); + assert_eq!(&local_traits[0].name(), "Max"); + + let local_impls = local_crate.trait_impls(); + let impl_names = local_impls.iter().map(|trait_impl| trait_impl.name()).collect::<HashSet<_>>(); + assert_impl(&impl_names, "<Positive as Max>"); + assert_impl(&impl_names, "<Positive as std::marker::Copy>"); + assert_impl(&impl_names, "<Positive as std::clone::Clone>"); + assert_impl(&impl_names, "<Positive as std::fmt::Debug>"); + assert_impl(&impl_names, "<Positive as std::cmp::PartialEq>"); + assert_impl(&impl_names, "<Positive as std::cmp::Eq>"); + assert_impl(&impl_names, "<Positive as std::convert::TryFrom<u64>>"); + assert_impl(&impl_names, "<u64 as Max>"); + assert_impl(&impl_names, "<impl std::convert::From<Positive> for u64>"); + + let all_traits = stable_mir::all_trait_decls(); + assert!(all_traits.len() > local_traits.len()); + assert!( + local_traits.iter().all(|t| all_traits.contains(t)), + "Local: {local_traits:#?}, All: {all_traits:#?}" + ); + + let all_impls = stable_mir::all_trait_impls(); + assert!(all_impls.len() > local_impls.len()); + assert!( + local_impls.iter().all(|t| all_impls.contains(t)), + "Local: {local_impls:#?}, All: {all_impls:#?}" + ); + ControlFlow::Continue(()) +} + +fn assert_impl(impl_names: &HashSet<String>, target: &str) { + assert!( + impl_names.contains(target), + "Failed to find `{target}`. Implementations available: {impl_names:?}", + ); +} + +/// This test will generate and analyze a dummy crate using the stable mir. +/// For that, it will first write the dummy crate into a file. +/// Then it will create a `StableMir` using custom arguments and then +/// it will run the compiler. +fn main() { + let path = "trait_queries.rs"; + generate_input(&path).unwrap(); + let args = vec![ + "rustc".to_string(), + "--crate-type=lib".to_string(), + "--crate-name".to_string(), + CRATE_NAME.to_string(), + path.to_string(), + ]; + run!(args, test_traits()).unwrap(); +} + +fn generate_input(path: &str) -> std::io::Result<()> { + let mut file = std::fs::File::create(path)?; + write!( + file, + r#" + use std::convert::TryFrom; + + #[derive(Copy, Clone, Debug, PartialEq, Eq)] + pub struct Positive(u64); + + impl TryFrom<u64> for Positive {{ + type Error = (); + fn try_from(val: u64) -> Result<Positive, Self::Error> {{ + if val > 0 {{ Ok(Positive(val)) }} else {{ Err(()) }} + }} + }} + + impl From<Positive> for u64 {{ + fn from(val: Positive) -> u64 {{ val.0 }} + }} + + pub trait Max {{ + fn is_max(&self) -> bool; + }} + + impl Max for u64 {{ + fn is_max(&self) -> bool {{ *self == u64::MAX }} + }} + + impl Max for Positive {{ + fn is_max(&self) -> bool {{ self.0.is_max() }} + }} + + "# + )?; + Ok(()) +} diff --git a/tests/ui/associated-inherent-types/issue-109071.no_gate.stderr b/tests/ui/associated-inherent-types/issue-109071.no_gate.stderr index 2fceeb15ea9..3acec9c085a 100644 --- a/tests/ui/associated-inherent-types/issue-109071.no_gate.stderr +++ b/tests/ui/associated-inherent-types/issue-109071.no_gate.stderr @@ -13,7 +13,7 @@ LL | impl<T> Windows { note: struct defined here, with 1 generic parameter: `T` --> $DIR/issue-109071.rs:5:8 | -LL | struct Windows<T> {} +LL | struct Windows<T> { t: T } | ^^^^^^^ - help: add missing generic argument | @@ -30,7 +30,7 @@ LL | type Item = &[T]; = help: add `#![feature(inherent_associated_types)]` to the crate attributes to enable error[E0223]: ambiguous associated type - --> $DIR/issue-109071.rs:15:22 + --> $DIR/issue-109071.rs:16:22 | LL | fn T() -> Option<Self::Item> {} | ^^^^^^^^^^ diff --git a/tests/ui/associated-inherent-types/issue-109071.rs b/tests/ui/associated-inherent-types/issue-109071.rs index 951c708e3f9..a897aaebc58 100644 --- a/tests/ui/associated-inherent-types/issue-109071.rs +++ b/tests/ui/associated-inherent-types/issue-109071.rs @@ -2,18 +2,20 @@ #![cfg_attr(with_gate, feature(inherent_associated_types))] #![cfg_attr(with_gate, allow(incomplete_features))] -struct Windows<T> {} +struct Windows<T> { t: T } impl<T> Windows { //~ ERROR: missing generics for struct `Windows` type Item = &[T]; //~ ERROR: `&` without an explicit lifetime name cannot be used here //[no_gate]~^ ERROR: inherent associated types are unstable fn next() -> Option<Self::Item> {} + //[with_gate]~^ ERROR type annotations needed } impl<T> Windows<T> { fn T() -> Option<Self::Item> {} //[no_gate]~^ ERROR: ambiguous associated type + //[with_gate]~^^ ERROR type annotations needed } fn main() {} diff --git a/tests/ui/associated-inherent-types/issue-109071.with_gate.stderr b/tests/ui/associated-inherent-types/issue-109071.with_gate.stderr index a91bb7a5162..d413c65dccb 100644 --- a/tests/ui/associated-inherent-types/issue-109071.with_gate.stderr +++ b/tests/ui/associated-inherent-types/issue-109071.with_gate.stderr @@ -13,14 +13,26 @@ LL | impl<T> Windows { note: struct defined here, with 1 generic parameter: `T` --> $DIR/issue-109071.rs:5:8 | -LL | struct Windows<T> {} +LL | struct Windows<T> { t: T } | ^^^^^^^ - help: add missing generic argument | LL | impl<T> Windows<T> { | +++ -error: aborting due to 2 previous errors +error[E0282]: type annotations needed + --> $DIR/issue-109071.rs:11:18 + | +LL | fn next() -> Option<Self::Item> {} + | ^^^^^^^^^^^^^^^^^^ cannot infer type for type parameter `T` + +error[E0282]: type annotations needed + --> $DIR/issue-109071.rs:16:15 + | +LL | fn T() -> Option<Self::Item> {} + | ^^^^^^^^^^^^^^^^^^ cannot infer type for type parameter `T` + +error: aborting due to 4 previous errors -Some errors have detailed explanations: E0107, E0637. +Some errors have detailed explanations: E0107, E0282, E0637. For more information about an error, try `rustc --explain E0107`. diff --git a/tests/ui/associated-inherent-types/issue-109299-1.rs b/tests/ui/associated-inherent-types/issue-109299-1.rs index 6f95273116b..b86e2e31e06 100644 --- a/tests/ui/associated-inherent-types/issue-109299-1.rs +++ b/tests/ui/associated-inherent-types/issue-109299-1.rs @@ -8,5 +8,6 @@ impl Lexer<i32> { } type X = impl for<T> Fn() -> Lexer<T>::Cursor; //~ ERROR associated type `Cursor` not found for `Lexer<T>` in the current scope +//~^ ERROR: unconstrained opaque type fn main() {} diff --git a/tests/ui/associated-inherent-types/issue-109299-1.stderr b/tests/ui/associated-inherent-types/issue-109299-1.stderr index c25ffb9d9c2..5848fa4087d 100644 --- a/tests/ui/associated-inherent-types/issue-109299-1.stderr +++ b/tests/ui/associated-inherent-types/issue-109299-1.stderr @@ -10,6 +10,14 @@ LL | type X = impl for<T> Fn() -> Lexer<T>::Cursor; = note: the associated type was found for - `Lexer<i32>` -error: aborting due to 1 previous error +error: unconstrained opaque type + --> $DIR/issue-109299-1.rs:10:10 + | +LL | type X = impl for<T> Fn() -> Lexer<T>::Cursor; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: `X` must be used in combination with a concrete type within the same module + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0220`. diff --git a/tests/ui/associated-inherent-types/issue-109768.rs b/tests/ui/associated-inherent-types/issue-109768.rs index a3ae2e2ab44..400f4f7de66 100644 --- a/tests/ui/associated-inherent-types/issue-109768.rs +++ b/tests/ui/associated-inherent-types/issue-109768.rs @@ -8,5 +8,6 @@ impl<T> Local { //~ ERROR missing generics for struct `Local` type AssocType3 = T; //~ ERROR inherent associated types are unstable const WRAPPED_ASSOC_3: Wrapper<Self::AssocType3> = Wrapper(); + //~^ ERROR: this struct takes 1 argument but 0 arguments were supplied } //~^ ERROR `main` function not found diff --git a/tests/ui/associated-inherent-types/issue-109768.stderr b/tests/ui/associated-inherent-types/issue-109768.stderr index 97706d4062a..c489fd1ab9b 100644 --- a/tests/ui/associated-inherent-types/issue-109768.stderr +++ b/tests/ui/associated-inherent-types/issue-109768.stderr @@ -1,5 +1,5 @@ error[E0601]: `main` function not found in crate `issue_109768` - --> $DIR/issue-109768.rs:11:2 + --> $DIR/issue-109768.rs:12:2 | LL | } | ^ consider adding a `main` function to `$DIR/issue-109768.rs` @@ -29,7 +29,23 @@ LL | type AssocType3 = T; = note: see issue #8995 <https://github.com/rust-lang/rust/issues/8995> for more information = help: add `#![feature(inherent_associated_types)]` to the crate attributes to enable -error: aborting due to 3 previous errors +error[E0061]: this struct takes 1 argument but 0 arguments were supplied + --> $DIR/issue-109768.rs:10:56 + | +LL | const WRAPPED_ASSOC_3: Wrapper<Self::AssocType3> = Wrapper(); + | ^^^^^^^-- an argument is missing + | +note: tuple struct defined here + --> $DIR/issue-109768.rs:3:8 + | +LL | struct Wrapper<T>(T); + | ^^^^^^^ +help: provide the argument + | +LL | const WRAPPED_ASSOC_3: Wrapper<Self::AssocType3> = Wrapper(/* value */); + | ~~~~~~~~~~~~~ + +error: aborting due to 4 previous errors -Some errors have detailed explanations: E0107, E0601, E0658. -For more information about an error, try `rustc --explain E0107`. +Some errors have detailed explanations: E0061, E0107, E0601, E0658. +For more information about an error, try `rustc --explain E0061`. diff --git a/tests/ui/associated-type-bounds/duplicate.rs b/tests/ui/associated-type-bounds/duplicate.rs index 5019804d494..160b524c881 100644 --- a/tests/ui/associated-type-bounds/duplicate.rs +++ b/tests/ui/associated-type-bounds/duplicate.rs @@ -134,14 +134,17 @@ where fn FRPIT1() -> impl Iterator<Item: Copy, Item: Send> { //~^ ERROR the value of the associated type `Item` in trait `Iterator` is already specified [E0719] iter::empty() + //~^ ERROR type annotations needed } fn FRPIT2() -> impl Iterator<Item: Copy, Item: Copy> { //~^ ERROR the value of the associated type `Item` in trait `Iterator` is already specified [E0719] iter::empty() + //~^ ERROR type annotations needed } fn FRPIT3() -> impl Iterator<Item: 'static, Item: 'static> { //~^ ERROR the value of the associated type `Item` in trait `Iterator` is already specified [E0719] iter::empty() + //~^ ERROR type annotations needed } fn FAPIT1(_: impl Iterator<Item: Copy, Item: Send>) {} //~^ ERROR the value of the associated type `Item` in trait `Iterator` is already specified [E0719] @@ -194,12 +197,15 @@ trait TRI3<T: Iterator<Item: 'static, Item: 'static>> {} trait TRS1: Iterator<Item: Copy, Item: Send> {} //~^ ERROR the value of the associated type `Item` in trait `Iterator` is already specified [E0719] //~| ERROR the value of the associated type `Item` in trait `Iterator` is already specified [E0719] +//~| ERROR the value of the associated type `Item` in trait `Iterator` is already specified [E0719] trait TRS2: Iterator<Item: Copy, Item: Copy> {} //~^ ERROR the value of the associated type `Item` in trait `Iterator` is already specified [E0719] //~| ERROR the value of the associated type `Item` in trait `Iterator` is already specified [E0719] +//~| ERROR the value of the associated type `Item` in trait `Iterator` is already specified [E0719] trait TRS3: Iterator<Item: 'static, Item: 'static> {} //~^ ERROR the value of the associated type `Item` in trait `Iterator` is already specified [E0719] //~| ERROR the value of the associated type `Item` in trait `Iterator` is already specified [E0719] +//~| ERROR the value of the associated type `Item` in trait `Iterator` is already specified [E0719] trait TRW1<T> where T: Iterator<Item: Copy, Item: Send>, @@ -223,6 +229,7 @@ where Self: Iterator<Item: Copy, Item: Send>, //~^ ERROR the value of the associated type `Item` in trait `Iterator` is already specified [E0719] //~| ERROR the value of the associated type `Item` in trait `Iterator` is already specified [E0719] + //~| ERROR the value of the associated type `Item` in trait `Iterator` is already specified [E0719] { } trait TRSW2 @@ -230,6 +237,7 @@ where Self: Iterator<Item: Copy, Item: Copy>, //~^ ERROR the value of the associated type `Item` in trait `Iterator` is already specified [E0719] //~| ERROR the value of the associated type `Item` in trait `Iterator` is already specified [E0719] + //~| ERROR the value of the associated type `Item` in trait `Iterator` is already specified [E0719] { } trait TRSW3 @@ -237,15 +245,19 @@ where Self: Iterator<Item: 'static, Item: 'static>, //~^ ERROR the value of the associated type `Item` in trait `Iterator` is already specified [E0719] //~| ERROR the value of the associated type `Item` in trait `Iterator` is already specified [E0719] + //~| ERROR the value of the associated type `Item` in trait `Iterator` is already specified [E0719] { } trait TRA1 { type A: Iterator<Item: Copy, Item: Send>; //~^ ERROR the value of the associated type `Item` in trait `Iterator` is already specified [E0719] + //~| ERROR `<<Self as TRA1>::A as Iterator>::Item` cannot be sent between threads safely + //~| ERROR the trait bound `<<Self as TRA1>::A as Iterator>::Item: Copy` is not satisfied } trait TRA2 { type A: Iterator<Item: Copy, Item: Copy>; //~^ ERROR the value of the associated type `Item` in trait `Iterator` is already specified [E0719] + //~| ERROR the trait bound `<<Self as TRA2>::A as Iterator>::Item: Copy` is not satisfied } trait TRA3 { type A: Iterator<Item: 'static, Item: 'static>; diff --git a/tests/ui/associated-type-bounds/duplicate.stderr b/tests/ui/associated-type-bounds/duplicate.stderr index 38b812dfdd4..accb366dd15 100644 --- a/tests/ui/associated-type-bounds/duplicate.stderr +++ b/tests/ui/associated-type-bounds/duplicate.stderr @@ -7,7 +7,7 @@ LL | struct SI1<T: Iterator<Item: Copy, Item: Send>> { | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:255:40 + --> $DIR/duplicate.rs:267:40 | LL | type TADyn1 = dyn Iterator<Item: Copy, Item: Send>; | ---------- ^^^^^^^^^^ re-bound here @@ -15,7 +15,7 @@ LL | type TADyn1 = dyn Iterator<Item: Copy, Item: Send>; | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:257:44 + --> $DIR/duplicate.rs:269:44 | LL | type TADyn2 = Box<dyn Iterator<Item: Copy, Item: Copy>>; | ---------- ^^^^^^^^^^ re-bound here @@ -23,7 +23,7 @@ LL | type TADyn2 = Box<dyn Iterator<Item: Copy, Item: Copy>>; | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:259:43 + --> $DIR/duplicate.rs:271:43 | LL | type TADyn3 = dyn Iterator<Item: 'static, Item: 'static>; | ------------- ^^^^^^^^^^^^^ re-bound here @@ -223,7 +223,7 @@ LL | fn FRPIT1() -> impl Iterator<Item: Copy, Item: Send> { | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:138:42 + --> $DIR/duplicate.rs:139:42 | LL | fn FRPIT2() -> impl Iterator<Item: Copy, Item: Copy> { | ---------- ^^^^^^^^^^ re-bound here @@ -231,7 +231,7 @@ LL | fn FRPIT2() -> impl Iterator<Item: Copy, Item: Copy> { | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:142:45 + --> $DIR/duplicate.rs:144:45 | LL | fn FRPIT3() -> impl Iterator<Item: 'static, Item: 'static> { | ------------- ^^^^^^^^^^^^^ re-bound here @@ -239,7 +239,7 @@ LL | fn FRPIT3() -> impl Iterator<Item: 'static, Item: 'static> { | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:146:40 + --> $DIR/duplicate.rs:149:40 | LL | fn FAPIT1(_: impl Iterator<Item: Copy, Item: Send>) {} | ---------- ^^^^^^^^^^ re-bound here @@ -247,7 +247,7 @@ LL | fn FAPIT1(_: impl Iterator<Item: Copy, Item: Send>) {} | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:148:40 + --> $DIR/duplicate.rs:151:40 | LL | fn FAPIT2(_: impl Iterator<Item: Copy, Item: Copy>) {} | ---------- ^^^^^^^^^^ re-bound here @@ -255,7 +255,7 @@ LL | fn FAPIT2(_: impl Iterator<Item: Copy, Item: Copy>) {} | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:150:43 + --> $DIR/duplicate.rs:153:43 | LL | fn FAPIT3(_: impl Iterator<Item: 'static, Item: 'static>) {} | ------------- ^^^^^^^^^^^^^ re-bound here @@ -263,7 +263,7 @@ LL | fn FAPIT3(_: impl Iterator<Item: 'static, Item: 'static>) {} | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:153:35 + --> $DIR/duplicate.rs:156:35 | LL | type TAI1<T: Iterator<Item: Copy, Item: Send>> = T; | ---------- ^^^^^^^^^^ re-bound here @@ -271,7 +271,7 @@ LL | type TAI1<T: Iterator<Item: Copy, Item: Send>> = T; | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:155:35 + --> $DIR/duplicate.rs:158:35 | LL | type TAI2<T: Iterator<Item: Copy, Item: Copy>> = T; | ---------- ^^^^^^^^^^ re-bound here @@ -279,7 +279,7 @@ LL | type TAI2<T: Iterator<Item: Copy, Item: Copy>> = T; | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:157:38 + --> $DIR/duplicate.rs:160:38 | LL | type TAI3<T: Iterator<Item: 'static, Item: 'static>> = T; | ------------- ^^^^^^^^^^^^^ re-bound here @@ -287,7 +287,7 @@ LL | type TAI3<T: Iterator<Item: 'static, Item: 'static>> = T; | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:161:29 + --> $DIR/duplicate.rs:164:29 | LL | T: Iterator<Item: Copy, Item: Send>, | ---------- ^^^^^^^^^^ re-bound here @@ -295,7 +295,7 @@ LL | T: Iterator<Item: Copy, Item: Send>, | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:166:29 + --> $DIR/duplicate.rs:169:29 | LL | T: Iterator<Item: Copy, Item: Copy>, | ---------- ^^^^^^^^^^ re-bound here @@ -303,7 +303,7 @@ LL | T: Iterator<Item: Copy, Item: Copy>, | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:171:32 + --> $DIR/duplicate.rs:174:32 | LL | T: Iterator<Item: 'static, Item: 'static>, | ------------- ^^^^^^^^^^^^^ re-bound here @@ -311,7 +311,7 @@ LL | T: Iterator<Item: 'static, Item: 'static>, | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:175:36 + --> $DIR/duplicate.rs:178:36 | LL | type ETAI1<T: Iterator<Item: Copy, Item: Send>> = impl Copy; | ---------- ^^^^^^^^^^ re-bound here @@ -319,7 +319,7 @@ LL | type ETAI1<T: Iterator<Item: Copy, Item: Send>> = impl Copy; | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:177:36 + --> $DIR/duplicate.rs:180:36 | LL | type ETAI2<T: Iterator<Item: Copy, Item: Copy>> = impl Copy; | ---------- ^^^^^^^^^^ re-bound here @@ -327,7 +327,7 @@ LL | type ETAI2<T: Iterator<Item: Copy, Item: Copy>> = impl Copy; | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:179:39 + --> $DIR/duplicate.rs:182:39 | LL | type ETAI3<T: Iterator<Item: 'static, Item: 'static>> = impl Copy; | ------------- ^^^^^^^^^^^^^ re-bound here @@ -335,7 +335,7 @@ LL | type ETAI3<T: Iterator<Item: 'static, Item: 'static>> = impl Copy; | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:181:40 + --> $DIR/duplicate.rs:184:40 | LL | type ETAI4 = impl Iterator<Item: Copy, Item: Send>; | ---------- ^^^^^^^^^^ re-bound here @@ -343,7 +343,7 @@ LL | type ETAI4 = impl Iterator<Item: Copy, Item: Send>; | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:183:40 + --> $DIR/duplicate.rs:186:40 | LL | type ETAI5 = impl Iterator<Item: Copy, Item: Copy>; | ---------- ^^^^^^^^^^ re-bound here @@ -351,7 +351,7 @@ LL | type ETAI5 = impl Iterator<Item: Copy, Item: Copy>; | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:185:43 + --> $DIR/duplicate.rs:188:43 | LL | type ETAI6 = impl Iterator<Item: 'static, Item: 'static>; | ------------- ^^^^^^^^^^^^^ re-bound here @@ -359,7 +359,7 @@ LL | type ETAI6 = impl Iterator<Item: 'static, Item: 'static>; | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:188:36 + --> $DIR/duplicate.rs:191:36 | LL | trait TRI1<T: Iterator<Item: Copy, Item: Send>> {} | ---------- ^^^^^^^^^^ re-bound here @@ -367,7 +367,7 @@ LL | trait TRI1<T: Iterator<Item: Copy, Item: Send>> {} | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:190:36 + --> $DIR/duplicate.rs:193:36 | LL | trait TRI2<T: Iterator<Item: Copy, Item: Copy>> {} | ---------- ^^^^^^^^^^ re-bound here @@ -375,7 +375,7 @@ LL | trait TRI2<T: Iterator<Item: Copy, Item: Copy>> {} | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:192:39 + --> $DIR/duplicate.rs:195:39 | LL | trait TRI3<T: Iterator<Item: 'static, Item: 'static>> {} | ------------- ^^^^^^^^^^^^^ re-bound here @@ -383,7 +383,7 @@ LL | trait TRI3<T: Iterator<Item: 'static, Item: 'static>> {} | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:194:34 + --> $DIR/duplicate.rs:197:34 | LL | trait TRS1: Iterator<Item: Copy, Item: Send> {} | ---------- ^^^^^^^^^^ re-bound here @@ -391,7 +391,7 @@ LL | trait TRS1: Iterator<Item: Copy, Item: Send> {} | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:194:34 + --> $DIR/duplicate.rs:197:34 | LL | trait TRS1: Iterator<Item: Copy, Item: Send> {} | ---------- ^^^^^^^^^^ re-bound here @@ -401,7 +401,7 @@ LL | trait TRS1: Iterator<Item: Copy, Item: Send> {} = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:197:34 + --> $DIR/duplicate.rs:201:34 | LL | trait TRS2: Iterator<Item: Copy, Item: Copy> {} | ---------- ^^^^^^^^^^ re-bound here @@ -409,7 +409,7 @@ LL | trait TRS2: Iterator<Item: Copy, Item: Copy> {} | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:197:34 + --> $DIR/duplicate.rs:201:34 | LL | trait TRS2: Iterator<Item: Copy, Item: Copy> {} | ---------- ^^^^^^^^^^ re-bound here @@ -419,7 +419,7 @@ LL | trait TRS2: Iterator<Item: Copy, Item: Copy> {} = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:200:37 + --> $DIR/duplicate.rs:205:37 | LL | trait TRS3: Iterator<Item: 'static, Item: 'static> {} | ------------- ^^^^^^^^^^^^^ re-bound here @@ -427,7 +427,7 @@ LL | trait TRS3: Iterator<Item: 'static, Item: 'static> {} | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:200:37 + --> $DIR/duplicate.rs:205:37 | LL | trait TRS3: Iterator<Item: 'static, Item: 'static> {} | ------------- ^^^^^^^^^^^^^ re-bound here @@ -437,7 +437,7 @@ LL | trait TRS3: Iterator<Item: 'static, Item: 'static> {} = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:205:29 + --> $DIR/duplicate.rs:211:29 | LL | T: Iterator<Item: Copy, Item: Send>, | ---------- ^^^^^^^^^^ re-bound here @@ -445,7 +445,7 @@ LL | T: Iterator<Item: Copy, Item: Send>, | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:211:29 + --> $DIR/duplicate.rs:217:29 | LL | T: Iterator<Item: Copy, Item: Copy>, | ---------- ^^^^^^^^^^ re-bound here @@ -453,7 +453,7 @@ LL | T: Iterator<Item: Copy, Item: Copy>, | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:217:32 + --> $DIR/duplicate.rs:223:32 | LL | T: Iterator<Item: 'static, Item: 'static>, | ------------- ^^^^^^^^^^^^^ re-bound here @@ -461,7 +461,7 @@ LL | T: Iterator<Item: 'static, Item: 'static>, | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:223:32 + --> $DIR/duplicate.rs:229:32 | LL | Self: Iterator<Item: Copy, Item: Send>, | ---------- ^^^^^^^^^^ re-bound here @@ -469,7 +469,7 @@ LL | Self: Iterator<Item: Copy, Item: Send>, | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:223:32 + --> $DIR/duplicate.rs:229:32 | LL | Self: Iterator<Item: Copy, Item: Send>, | ---------- ^^^^^^^^^^ re-bound here @@ -479,7 +479,7 @@ LL | Self: Iterator<Item: Copy, Item: Send>, = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:230:32 + --> $DIR/duplicate.rs:237:32 | LL | Self: Iterator<Item: Copy, Item: Copy>, | ---------- ^^^^^^^^^^ re-bound here @@ -487,7 +487,7 @@ LL | Self: Iterator<Item: Copy, Item: Copy>, | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:230:32 + --> $DIR/duplicate.rs:237:32 | LL | Self: Iterator<Item: Copy, Item: Copy>, | ---------- ^^^^^^^^^^ re-bound here @@ -497,7 +497,7 @@ LL | Self: Iterator<Item: Copy, Item: Copy>, = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:237:35 + --> $DIR/duplicate.rs:245:35 | LL | Self: Iterator<Item: 'static, Item: 'static>, | ------------- ^^^^^^^^^^^^^ re-bound here @@ -505,7 +505,7 @@ LL | Self: Iterator<Item: 'static, Item: 'static>, | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:237:35 + --> $DIR/duplicate.rs:245:35 | LL | Self: Iterator<Item: 'static, Item: 'static>, | ------------- ^^^^^^^^^^^^^ re-bound here @@ -515,7 +515,7 @@ LL | Self: Iterator<Item: 'static, Item: 'static>, = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:243:34 + --> $DIR/duplicate.rs:252:34 | LL | type A: Iterator<Item: Copy, Item: Send>; | ---------- ^^^^^^^^^^ re-bound here @@ -523,7 +523,7 @@ LL | type A: Iterator<Item: Copy, Item: Send>; | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:247:34 + --> $DIR/duplicate.rs:258:34 | LL | type A: Iterator<Item: Copy, Item: Copy>; | ---------- ^^^^^^^^^^ re-bound here @@ -531,13 +531,141 @@ LL | type A: Iterator<Item: Copy, Item: Copy>; | `Item` bound here first error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/duplicate.rs:251:37 + --> $DIR/duplicate.rs:263:37 | LL | type A: Iterator<Item: 'static, Item: 'static>; | ------------- ^^^^^^^^^^^^^ re-bound here | | | `Item` bound here first -error: aborting due to 66 previous errors +error[E0282]: type annotations needed + --> $DIR/duplicate.rs:136:5 + | +LL | iter::empty() + | ^^^^^^^^^^^ cannot infer type of the type parameter `T` declared on the function `empty` + | +help: consider specifying the generic argument + | +LL | iter::empty::<T>() + | +++++ + +error[E0282]: type annotations needed + --> $DIR/duplicate.rs:141:5 + | +LL | iter::empty() + | ^^^^^^^^^^^ cannot infer type of the type parameter `T` declared on the function `empty` + | +help: consider specifying the generic argument + | +LL | iter::empty::<T>() + | +++++ + +error[E0282]: type annotations needed + --> $DIR/duplicate.rs:146:5 + | +LL | iter::empty() + | ^^^^^^^^^^^ cannot infer type of the type parameter `T` declared on the function `empty` + | +help: consider specifying the generic argument + | +LL | iter::empty::<T>() + | +++++ + +error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified + --> $DIR/duplicate.rs:197:34 + | +LL | trait TRS1: Iterator<Item: Copy, Item: Send> {} + | ---------- ^^^^^^^^^^ re-bound here + | | + | `Item` bound here first + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified + --> $DIR/duplicate.rs:201:34 + | +LL | trait TRS2: Iterator<Item: Copy, Item: Copy> {} + | ---------- ^^^^^^^^^^ re-bound here + | | + | `Item` bound here first + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified + --> $DIR/duplicate.rs:205:37 + | +LL | trait TRS3: Iterator<Item: 'static, Item: 'static> {} + | ------------- ^^^^^^^^^^^^^ re-bound here + | | + | `Item` bound here first + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified + --> $DIR/duplicate.rs:229:32 + | +LL | Self: Iterator<Item: Copy, Item: Send>, + | ---------- ^^^^^^^^^^ re-bound here + | | + | `Item` bound here first + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified + --> $DIR/duplicate.rs:237:32 + | +LL | Self: Iterator<Item: Copy, Item: Copy>, + | ---------- ^^^^^^^^^^ re-bound here + | | + | `Item` bound here first + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified + --> $DIR/duplicate.rs:245:35 + | +LL | Self: Iterator<Item: 'static, Item: 'static>, + | ------------- ^^^^^^^^^^^^^ re-bound here + | | + | `Item` bound here first + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error[E0277]: the trait bound `<<Self as TRA1>::A as Iterator>::Item: Copy` is not satisfied + --> $DIR/duplicate.rs:252:28 + | +LL | type A: Iterator<Item: Copy, Item: Send>; + | ^^^^ the trait `Copy` is not implemented for `<<Self as TRA1>::A as Iterator>::Item` + | +help: consider further restricting the associated type + | +LL | trait TRA1 where <<Self as TRA1>::A as Iterator>::Item: Copy { + | +++++++++++++++++++++++++++++++++++++++++++++++++ + +error[E0277]: `<<Self as TRA1>::A as Iterator>::Item` cannot be sent between threads safely + --> $DIR/duplicate.rs:252:40 + | +LL | type A: Iterator<Item: Copy, Item: Send>; + | ^^^^ `<<Self as TRA1>::A as Iterator>::Item` cannot be sent between threads safely + | + = help: the trait `Send` is not implemented for `<<Self as TRA1>::A as Iterator>::Item` +help: consider further restricting the associated type + | +LL | trait TRA1 where <<Self as TRA1>::A as Iterator>::Item: Send { + | +++++++++++++++++++++++++++++++++++++++++++++++++ + +error[E0277]: the trait bound `<<Self as TRA2>::A as Iterator>::Item: Copy` is not satisfied + --> $DIR/duplicate.rs:258:28 + | +LL | type A: Iterator<Item: Copy, Item: Copy>; + | ^^^^ the trait `Copy` is not implemented for `<<Self as TRA2>::A as Iterator>::Item` + | +help: consider further restricting the associated type + | +LL | trait TRA2 where <<Self as TRA2>::A as Iterator>::Item: Copy { + | +++++++++++++++++++++++++++++++++++++++++++++++++ + +error: aborting due to 78 previous errors -For more information about this error, try `rustc --explain E0719`. +Some errors have detailed explanations: E0277, E0282, E0719. +For more information about an error, try `rustc --explain E0277`. diff --git a/tests/ui/associated-types/associated-type-projection-ambig-between-bound-and-where-clause.rs b/tests/ui/associated-types/associated-type-projection-ambig-between-bound-and-where-clause.rs index c85d41c7f51..eaf3090bbd3 100644 --- a/tests/ui/associated-types/associated-type-projection-ambig-between-bound-and-where-clause.rs +++ b/tests/ui/associated-types/associated-type-projection-ambig-between-bound-and-where-clause.rs @@ -25,7 +25,7 @@ fn c<C>(_: C::Color) where C : Vehicle, C : Box { //~^ ERROR ambiguous associated type `Color` in bounds of `C` } -struct D<X>; +struct D<X>(X); impl<X> D<X> where X : Vehicle { fn d(&self, _: X::Color) where X : Box { } //~^ ERROR ambiguous associated type `Color` in bounds of `X` diff --git a/tests/ui/associated-types/associated-type-projection-from-multiple-supertraits.rs b/tests/ui/associated-types/associated-type-projection-from-multiple-supertraits.rs index df19332b645..b757521e0a4 100644 --- a/tests/ui/associated-types/associated-type-projection-from-multiple-supertraits.rs +++ b/tests/ui/associated-types/associated-type-projection-from-multiple-supertraits.rs @@ -20,7 +20,7 @@ fn dent<C:BoxCar>(c: C, color: C::Color) { //~^ ERROR ambiguous associated type `Color` in bounds of `C` } -fn dent_object<COLOR>(c: dyn BoxCar<Color=COLOR>) { +fn dent_object<COLOR>(c: &dyn BoxCar<Color=COLOR>) { //~^ ERROR ambiguous associated type //~| ERROR the value of the associated types } @@ -29,7 +29,7 @@ fn paint<C:BoxCar>(c: C, d: C::Color) { //~^ ERROR ambiguous associated type `Color` in bounds of `C` } -fn dent_object_2<COLOR>(c: dyn BoxCar) where <dyn BoxCar as Vehicle>::Color = COLOR { +fn dent_object_2<COLOR>(c: &dyn BoxCar) where <dyn BoxCar as Vehicle>::Color = COLOR { //~^ ERROR the value of the associated types //~| ERROR equality constraints are not yet supported in `where` clauses } diff --git a/tests/ui/associated-types/associated-type-projection-from-multiple-supertraits.stderr b/tests/ui/associated-types/associated-type-projection-from-multiple-supertraits.stderr index 66037054e06..a4874903285 100644 --- a/tests/ui/associated-types/associated-type-projection-from-multiple-supertraits.stderr +++ b/tests/ui/associated-types/associated-type-projection-from-multiple-supertraits.stderr @@ -1,8 +1,8 @@ error: equality constraints are not yet supported in `where` clauses - --> $DIR/associated-type-projection-from-multiple-supertraits.rs:32:46 + --> $DIR/associated-type-projection-from-multiple-supertraits.rs:32:47 | -LL | fn dent_object_2<COLOR>(c: dyn BoxCar) where <dyn BoxCar as Vehicle>::Color = COLOR { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not supported +LL | fn dent_object_2<COLOR>(c: &dyn BoxCar) where <dyn BoxCar as Vehicle>::Color = COLOR { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not supported | = note: see issue #20041 <https://github.com/rust-lang/rust/issues/20041> for more information @@ -28,7 +28,7 @@ LL | fn dent<C:BoxCar>(c: C, color: <C as Box>::Color) { | ~~~~~~~~~~~~ error[E0222]: ambiguous associated type `Color` in bounds of `BoxCar` - --> $DIR/associated-type-projection-from-multiple-supertraits.rs:23:37 + --> $DIR/associated-type-projection-from-multiple-supertraits.rs:23:38 | LL | type Color; | ---------- ambiguous `Color` from `Vehicle` @@ -36,8 +36,8 @@ LL | type Color; LL | type Color; | ---------- ambiguous `Color` from `Box` ... -LL | fn dent_object<COLOR>(c: dyn BoxCar<Color=COLOR>) { - | ^^^^^^^^^^^ ambiguous associated type `Color` +LL | fn dent_object<COLOR>(c: &dyn BoxCar<Color=COLOR>) { + | ^^^^^^^^^^^ ambiguous associated type `Color` | = help: consider introducing a new type parameter `T` and adding `where` constraints: where @@ -46,7 +46,7 @@ LL | fn dent_object<COLOR>(c: dyn BoxCar<Color=COLOR>) { T: Box::Color = COLOR error[E0191]: the value of the associated types `Color` in `Box`, `Color` in `Vehicle` must be specified - --> $DIR/associated-type-projection-from-multiple-supertraits.rs:23:30 + --> $DIR/associated-type-projection-from-multiple-supertraits.rs:23:31 | LL | type Color; | ---------- `Vehicle::Color` defined here @@ -54,8 +54,8 @@ LL | type Color; LL | type Color; | ---------- `Box::Color` defined here ... -LL | fn dent_object<COLOR>(c: dyn BoxCar<Color=COLOR>) { - | ^^^^^^^^^^^^^^^^^^^ associated types `Color` (from trait `Vehicle`), `Color` (from trait `Box`) must be specified +LL | fn dent_object<COLOR>(c: &dyn BoxCar<Color=COLOR>) { + | ^^^^^^^^^^^^^^^^^^^ associated types `Color` (from trait `Vehicle`), `Color` (from trait `Box`) must be specified | = help: consider introducing a new type parameter, adding `where` constraints using the fully-qualified path to the associated types @@ -81,7 +81,7 @@ LL | fn paint<C:BoxCar>(c: C, d: <C as Box>::Color) { | ~~~~~~~~~~~~ error[E0191]: the value of the associated types `Color` in `Box`, `Color` in `Vehicle` must be specified - --> $DIR/associated-type-projection-from-multiple-supertraits.rs:32:32 + --> $DIR/associated-type-projection-from-multiple-supertraits.rs:32:33 | LL | type Color; | ---------- `Vehicle::Color` defined here @@ -89,8 +89,8 @@ LL | type Color; LL | type Color; | ---------- `Box::Color` defined here ... -LL | fn dent_object_2<COLOR>(c: dyn BoxCar) where <dyn BoxCar as Vehicle>::Color = COLOR { - | ^^^^^^ associated types `Color` (from trait `Vehicle`), `Color` (from trait `Box`) must be specified +LL | fn dent_object_2<COLOR>(c: &dyn BoxCar) where <dyn BoxCar as Vehicle>::Color = COLOR { + | ^^^^^^ associated types `Color` (from trait `Vehicle`), `Color` (from trait `Box`) must be specified | = help: consider introducing a new type parameter, adding `where` constraints using the fully-qualified path to the associated types diff --git a/tests/ui/associated-types/issue-23595-1.rs b/tests/ui/associated-types/issue-23595-1.rs index 483c205f42d..9222f5b6650 100644 --- a/tests/ui/associated-types/issue-23595-1.rs +++ b/tests/ui/associated-types/issue-23595-1.rs @@ -7,6 +7,7 @@ trait Hierarchy { type ChildKey; type Children = dyn Index<Self::ChildKey, Output=dyn Hierarchy>; //~^ ERROR: the value of the associated types + //~| ERROR: the size for values of type fn data(&self) -> Option<(Self::Value, Self::Children)>; } diff --git a/tests/ui/associated-types/issue-23595-1.stderr b/tests/ui/associated-types/issue-23595-1.stderr index f9d58c23cbb..46906ab3fb7 100644 --- a/tests/ui/associated-types/issue-23595-1.stderr +++ b/tests/ui/associated-types/issue-23595-1.stderr @@ -8,6 +8,20 @@ LL | type ChildKey; LL | type Children = dyn Index<Self::ChildKey, Output=dyn Hierarchy>; | ------------- `Children` defined here ^^^^^^^^^ help: specify the associated types: `Hierarchy<Value = Type, ChildKey = Type, Children = Type>` -error: aborting due to 1 previous error +error[E0277]: the size for values of type `(dyn Index<<Self as Hierarchy>::ChildKey, Output = (dyn Hierarchy + 'static)> + 'static)` cannot be known at compilation time + --> $DIR/issue-23595-1.rs:8:21 + | +LL | type Children = dyn Index<Self::ChildKey, Output=dyn Hierarchy>; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `(dyn Index<<Self as Hierarchy>::ChildKey, Output = (dyn Hierarchy + 'static)> + 'static)` +note: required by a bound in `Hierarchy::Children` + --> $DIR/issue-23595-1.rs:8:5 + | +LL | type Children = dyn Index<Self::ChildKey, Output=dyn Hierarchy>; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Hierarchy::Children` + +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0191`. +Some errors have detailed explanations: E0191, E0277. +For more information about an error, try `rustc --explain E0191`. diff --git a/tests/ui/async-await/issues/issue-65159.rs b/tests/ui/async-await/issues/issue-65159.rs index 6e547508bd4..aed111e2144 100644 --- a/tests/ui/async-await/issues/issue-65159.rs +++ b/tests/ui/async-await/issues/issue-65159.rs @@ -5,7 +5,7 @@ async fn copy() -> Result<()> //~^ ERROR enum takes 2 generic arguments { - Ok(()) + Ok(()) //~ ERROR: type annotations needed } fn main() { } diff --git a/tests/ui/async-await/issues/issue-65159.stderr b/tests/ui/async-await/issues/issue-65159.stderr index 19512116a66..77a0ea5027c 100644 --- a/tests/ui/async-await/issues/issue-65159.stderr +++ b/tests/ui/async-await/issues/issue-65159.stderr @@ -11,6 +11,18 @@ help: add missing generic argument LL | async fn copy() -> Result<(), E> | +++ -error: aborting due to 1 previous error +error[E0282]: type annotations needed + --> $DIR/issue-65159.rs:8:5 + | +LL | Ok(()) + | ^^ cannot infer type of the type parameter `E` declared on the enum `Result` + | +help: consider specifying the generic arguments + | +LL | Ok::<(), E>(()) + | +++++++++ + +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0107`. +Some errors have detailed explanations: E0107, E0282. +For more information about an error, try `rustc --explain E0107`. diff --git a/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.rs b/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.rs index 1b16a492a7a..68a750778ad 100644 --- a/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.rs +++ b/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.rs @@ -9,5 +9,6 @@ trait Super1<'a> { impl Super1<'_, bar(): Send> for () {} //~^ ERROR associated type bindings are not allowed here +//~| ERROR not all trait items implemented fn main() {} diff --git a/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.stderr b/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.stderr index 4321d876e16..d925c7316b6 100644 --- a/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.stderr +++ b/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.stderr @@ -13,6 +13,16 @@ error[E0229]: associated type bindings are not allowed here LL | impl Super1<'_, bar(): Send> for () {} | ^^^^^^^^^^^ associated type not allowed here -error: aborting due to 1 previous error; 1 warning emitted +error[E0046]: not all trait items implemented, missing: `bar` + --> $DIR/rtn-in-impl-signature.rs:10:1 + | +LL | fn bar<'b>() -> bool; + | --------------------- `bar` from trait +... +LL | impl Super1<'_, bar(): Send> for () {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `bar` in implementation + +error: aborting due to 2 previous errors; 1 warning emitted -For more information about this error, try `rustc --explain E0229`. +Some errors have detailed explanations: E0046, E0229. +For more information about an error, try `rustc --explain E0046`. diff --git a/tests/ui/async-await/track-caller/async-closure-gate.afn.stderr b/tests/ui/async-await/track-caller/async-closure-gate.afn.stderr index 739c04a7673..e23fc459358 100644 --- a/tests/ui/async-await/track-caller/async-closure-gate.afn.stderr +++ b/tests/ui/async-await/track-caller/async-closure-gate.afn.stderr @@ -26,7 +26,7 @@ LL | let _ = #[track_caller] || { = 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:28:17 + --> $DIR/async-closure-gate.rs:29:17 | LL | let _ = #[track_caller] || { | ^^^^^^^^^^^^^^^ @@ -35,7 +35,7 @@ LL | let _ = #[track_caller] || { = 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:36:9 + --> $DIR/async-closure-gate.rs:37:9 | LL | #[track_caller] || { | ^^^^^^^^^^^^^^^ @@ -44,7 +44,7 @@ LL | #[track_caller] || { = 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:45:13 + --> $DIR/async-closure-gate.rs:47:13 | LL | #[track_caller] || { | ^^^^^^^^^^^^^^^ @@ -52,6 +52,40 @@ LL | #[track_caller] || { = 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 6 previous errors +error[E0308]: mismatched types + --> $DIR/async-closure-gate.rs:27:5 + | +LL | fn foo3() { + | - help: a return type might be missing here: `-> _` +LL | / async { +LL | | +LL | | let _ = #[track_caller] || { +LL | | +LL | | }; +LL | | } + | |_____^ expected `()`, found `async` block + | + = note: expected unit type `()` + found `async` block `{async block@$DIR/async-closure-gate.rs:27:5: 32:6}` + +error[E0308]: mismatched types + --> $DIR/async-closure-gate.rs:44:5 + | +LL | fn foo5() { + | - help: a return type might be missing here: `-> _` +LL | / async { +LL | | +LL | | let _ = || { +LL | | #[track_caller] || { +... | +LL | | }; +LL | | } + | |_____^ expected `()`, found `async` block + | + = note: expected unit type `()` + found `async` block `{async block@$DIR/async-closure-gate.rs:44:5: 51:6}` + +error: aborting due to 8 previous errors -For more information about this error, try `rustc --explain E0658`. +Some errors have detailed explanations: E0308, E0658. +For more information about an error, try `rustc --explain E0308`. diff --git a/tests/ui/async-await/track-caller/async-closure-gate.nofeat.stderr b/tests/ui/async-await/track-caller/async-closure-gate.nofeat.stderr index 739c04a7673..e23fc459358 100644 --- a/tests/ui/async-await/track-caller/async-closure-gate.nofeat.stderr +++ b/tests/ui/async-await/track-caller/async-closure-gate.nofeat.stderr @@ -26,7 +26,7 @@ LL | let _ = #[track_caller] || { = 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:28:17 + --> $DIR/async-closure-gate.rs:29:17 | LL | let _ = #[track_caller] || { | ^^^^^^^^^^^^^^^ @@ -35,7 +35,7 @@ LL | let _ = #[track_caller] || { = 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:36:9 + --> $DIR/async-closure-gate.rs:37:9 | LL | #[track_caller] || { | ^^^^^^^^^^^^^^^ @@ -44,7 +44,7 @@ LL | #[track_caller] || { = 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:45:13 + --> $DIR/async-closure-gate.rs:47:13 | LL | #[track_caller] || { | ^^^^^^^^^^^^^^^ @@ -52,6 +52,40 @@ LL | #[track_caller] || { = 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 6 previous errors +error[E0308]: mismatched types + --> $DIR/async-closure-gate.rs:27:5 + | +LL | fn foo3() { + | - help: a return type might be missing here: `-> _` +LL | / async { +LL | | +LL | | let _ = #[track_caller] || { +LL | | +LL | | }; +LL | | } + | |_____^ expected `()`, found `async` block + | + = note: expected unit type `()` + found `async` block `{async block@$DIR/async-closure-gate.rs:27:5: 32:6}` + +error[E0308]: mismatched types + --> $DIR/async-closure-gate.rs:44:5 + | +LL | fn foo5() { + | - help: a return type might be missing here: `-> _` +LL | / async { +LL | | +LL | | let _ = || { +LL | | #[track_caller] || { +... | +LL | | }; +LL | | } + | |_____^ expected `()`, found `async` block + | + = note: expected unit type `()` + found `async` block `{async block@$DIR/async-closure-gate.rs:44:5: 51:6}` + +error: aborting due to 8 previous errors -For more information about this error, try `rustc --explain E0658`. +Some errors have detailed explanations: E0308, E0658. +For more information about an error, try `rustc --explain E0308`. diff --git a/tests/ui/async-await/track-caller/async-closure-gate.rs b/tests/ui/async-await/track-caller/async-closure-gate.rs index 8d8d081aa90..911934a2232 100644 --- a/tests/ui/async-await/track-caller/async-closure-gate.rs +++ b/tests/ui/async-await/track-caller/async-closure-gate.rs @@ -25,6 +25,7 @@ async fn foo2() { fn foo3() { async { + //~^ ERROR mismatched types let _ = #[track_caller] || { //~^ ERROR `#[track_caller]` on closures is currently unstable [E0658] }; @@ -41,6 +42,7 @@ async fn foo4() { fn foo5() { async { + //~^ ERROR mismatched types let _ = || { #[track_caller] || { //~^ ERROR `#[track_caller]` on closures is currently unstable [E0658] diff --git a/tests/ui/borrowck/issue-82126-mismatched-subst-and-hir.rs b/tests/ui/borrowck/issue-82126-mismatched-subst-and-hir.rs index b52939ffc11..c10246eec64 100644 --- a/tests/ui/borrowck/issue-82126-mismatched-subst-and-hir.rs +++ b/tests/ui/borrowck/issue-82126-mismatched-subst-and-hir.rs @@ -17,6 +17,7 @@ async fn buy_lock(coroutine: &Mutex<MarketMultiplier>) -> LockedMarket<'_> { //~^ ERROR struct takes 0 lifetime arguments but 1 lifetime argument was supplied //~^^ ERROR struct takes 1 generic argument but 0 generic arguments were supplied LockedMarket(coroutine.lock().unwrap().buy()) + //~^ ERROR: cannot return value referencing temporary value } struct LockedMarket<T>(T); diff --git a/tests/ui/borrowck/issue-82126-mismatched-subst-and-hir.stderr b/tests/ui/borrowck/issue-82126-mismatched-subst-and-hir.stderr index 516c1d065e6..2b10cf67d15 100644 --- a/tests/ui/borrowck/issue-82126-mismatched-subst-and-hir.stderr +++ b/tests/ui/borrowck/issue-82126-mismatched-subst-and-hir.stderr @@ -7,7 +7,7 @@ LL | async fn buy_lock(coroutine: &Mutex<MarketMultiplier>) -> LockedMarket<'_> | expected 0 lifetime arguments | note: struct defined here, with 0 lifetime parameters - --> $DIR/issue-82126-mismatched-subst-and-hir.rs:22:8 + --> $DIR/issue-82126-mismatched-subst-and-hir.rs:23:8 | LL | struct LockedMarket<T>(T); | ^^^^^^^^^^^^ @@ -19,7 +19,7 @@ LL | async fn buy_lock(coroutine: &Mutex<MarketMultiplier>) -> LockedMarket<'_> | ^^^^^^^^^^^^ expected 1 generic argument | note: struct defined here, with 1 generic parameter: `T` - --> $DIR/issue-82126-mismatched-subst-and-hir.rs:22:8 + --> $DIR/issue-82126-mismatched-subst-and-hir.rs:23:8 | LL | struct LockedMarket<T>(T); | ^^^^^^^^^^^^ - @@ -28,6 +28,16 @@ help: add missing generic argument LL | async fn buy_lock(coroutine: &Mutex<MarketMultiplier>) -> LockedMarket<'_, T> { | +++ -error: aborting due to 2 previous errors +error[E0515]: cannot return value referencing temporary value + --> $DIR/issue-82126-mismatched-subst-and-hir.rs:19:5 + | +LL | LockedMarket(coroutine.lock().unwrap().buy()) + | ^^^^^^^^^^^^^-------------------------^^^^^^^ + | | | + | | temporary value created here + | returns a value referencing data owned by the current function + +error: aborting due to 3 previous errors -For more information about this error, try `rustc --explain E0107`. +Some errors have detailed explanations: E0107, E0515. +For more information about an error, try `rustc --explain E0107`. diff --git a/tests/ui/const-generics/assoc_const_eq_diagnostic.rs b/tests/ui/const-generics/assoc_const_eq_diagnostic.rs index d51696f9ebd..573d8055a79 100644 --- a/tests/ui/const-generics/assoc_const_eq_diagnostic.rs +++ b/tests/ui/const-generics/assoc_const_eq_diagnostic.rs @@ -9,9 +9,10 @@ pub trait Parse { } pub trait CoolStuff: Parse<MODE = Mode::Cool> {} -//~^ ERROR expected type, found variant +//~^ ERROR expected constant, found type //~| ERROR expected constant, found type //~| ERROR expected constant, found type +//~| ERROR expected type fn no_help() -> Mode::Cool {} //~^ ERROR expected type, found variant diff --git a/tests/ui/const-generics/assoc_const_eq_diagnostic.stderr b/tests/ui/const-generics/assoc_const_eq_diagnostic.stderr index 3d724bb1642..13f081940f3 100644 --- a/tests/ui/const-generics/assoc_const_eq_diagnostic.stderr +++ b/tests/ui/const-generics/assoc_const_eq_diagnostic.stderr @@ -8,7 +8,7 @@ LL | pub trait CoolStuff: Parse<MODE = Mode::Cool> {} | help: try using the variant's enum: `Mode` error[E0573]: expected type, found variant `Mode::Cool` - --> $DIR/assoc_const_eq_diagnostic.rs:16:17 + --> $DIR/assoc_const_eq_diagnostic.rs:17:17 | LL | fn no_help() -> Mode::Cool {} | ^^^^^^^^^^ @@ -53,6 +53,25 @@ help: consider adding braces here LL | pub trait CoolStuff: Parse<MODE = { Mode::Cool }> {} | + + -error: aborting due to 4 previous errors +error: expected constant, found type + --> $DIR/assoc_const_eq_diagnostic.rs:11:35 + | +LL | pub trait CoolStuff: Parse<MODE = Mode::Cool> {} + | ---- ^^^^^^^^^^ unexpected type + | | + | expected a constant because of this associated constant + | +note: the associated constant is defined here + --> $DIR/assoc_const_eq_diagnostic.rs:8:5 + | +LL | const MODE: Mode; + | ^^^^^^^^^^^^^^^^ + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` +help: consider adding braces here + | +LL | pub trait CoolStuff: Parse<MODE = { Mode::Cool }> {} + | + + + +error: aborting due to 5 previous errors For more information about this error, try `rustc --explain E0573`. diff --git a/tests/ui/const-generics/generic_const_exprs/issue-102768.rs b/tests/ui/const-generics/generic_const_exprs/issue-102768.rs index 18a9b53cf76..f2ad7d7ce8b 100644 --- a/tests/ui/const-generics/generic_const_exprs/issue-102768.rs +++ b/tests/ui/const-generics/generic_const_exprs/issue-102768.rs @@ -9,6 +9,11 @@ const _: () = { fn f2<'a>(arg: Box<dyn X<Y<1> = &'a ()>>) {} //~^ ERROR associated type takes 1 lifetime argument but 0 lifetime arguments //~| ERROR associated type takes 0 generic arguments but 1 generic argument + //~| ERROR associated type takes 1 lifetime argument but 0 lifetime arguments + //~| ERROR associated type takes 0 generic arguments but 1 generic argument + //~| ERROR associated type takes 1 lifetime argument but 0 lifetime arguments + //~| ERROR associated type takes 0 generic arguments but 1 generic argument + //~| ERROR `X` cannot be made into an object }; fn main() {} diff --git a/tests/ui/const-generics/generic_const_exprs/issue-102768.stderr b/tests/ui/const-generics/generic_const_exprs/issue-102768.stderr index 175d54e4184..a470c36134c 100644 --- a/tests/ui/const-generics/generic_const_exprs/issue-102768.stderr +++ b/tests/ui/const-generics/generic_const_exprs/issue-102768.stderr @@ -28,6 +28,86 @@ note: associated type defined here, with 0 generic parameters LL | type Y<'a>; | ^ -error: aborting due to 2 previous errors +error[E0107]: associated type takes 1 lifetime argument but 0 lifetime arguments were supplied + --> $DIR/issue-102768.rs:9:30 + | +LL | fn f2<'a>(arg: Box<dyn X<Y<1> = &'a ()>>) {} + | ^ expected 1 lifetime argument + | +note: associated type defined here, with 1 lifetime parameter: `'a` + --> $DIR/issue-102768.rs:5:10 + | +LL | type Y<'a>; + | ^ -- + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` +help: add missing lifetime argument + | +LL | fn f2<'a>(arg: Box<dyn X<Y<'_, 1> = &'a ()>>) {} + | +++ + +error[E0107]: associated type takes 0 generic arguments but 1 generic argument was supplied + --> $DIR/issue-102768.rs:9:30 + | +LL | fn f2<'a>(arg: Box<dyn X<Y<1> = &'a ()>>) {} + | ^--- help: remove these generics + | | + | expected 0 generic arguments + | +note: associated type defined here, with 0 generic parameters + --> $DIR/issue-102768.rs:5:10 + | +LL | type Y<'a>; + | ^ + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error[E0107]: associated type takes 1 lifetime argument but 0 lifetime arguments were supplied + --> $DIR/issue-102768.rs:9:30 + | +LL | fn f2<'a>(arg: Box<dyn X<Y<1> = &'a ()>>) {} + | ^ expected 1 lifetime argument + | +note: associated type defined here, with 1 lifetime parameter: `'a` + --> $DIR/issue-102768.rs:5:10 + | +LL | type Y<'a>; + | ^ -- + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` +help: add missing lifetime argument + | +LL | fn f2<'a>(arg: Box<dyn X<Y<'_, 1> = &'a ()>>) {} + | +++ + +error[E0107]: associated type takes 0 generic arguments but 1 generic argument was supplied + --> $DIR/issue-102768.rs:9:30 + | +LL | fn f2<'a>(arg: Box<dyn X<Y<1> = &'a ()>>) {} + | ^--- help: remove these generics + | | + | expected 0 generic arguments + | +note: associated type defined here, with 0 generic parameters + --> $DIR/issue-102768.rs:5:10 + | +LL | type Y<'a>; + | ^ + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error[E0038]: the trait `X` cannot be made into an object + --> $DIR/issue-102768.rs:9:24 + | +LL | fn f2<'a>(arg: Box<dyn X<Y<1> = &'a ()>>) {} + | ^^^^^^^^^^^^^^^^^^^^ `X` cannot be made into an object + | +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> + --> $DIR/issue-102768.rs:5:10 + | +LL | trait X { + | - this trait cannot be made into an object... +LL | type Y<'a>; + | ^ ...because it contains the generic associated type `Y` + = help: consider moving `Y` to another trait + +error: aborting due to 7 previous errors -For more information about this error, try `rustc --explain E0107`. +Some errors have detailed explanations: E0038, E0107. +For more information about an error, try `rustc --explain E0038`. diff --git a/tests/ui/const-generics/generic_const_exprs/issue-105257.rs b/tests/ui/const-generics/generic_const_exprs/issue-105257.rs index d8b23bc01a9..a107556fd79 100644 --- a/tests/ui/const-generics/generic_const_exprs/issue-105257.rs +++ b/tests/ui/const-generics/generic_const_exprs/issue-105257.rs @@ -3,6 +3,7 @@ trait Trait<T> { fn fnc<const N: usize = "">(&self) {} //~ERROR defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions + //~^ ERROR: mismatched types fn foo<const N: usize = { std::mem::size_of::<T>() }>(&self) {} //~ERROR defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions } diff --git a/tests/ui/const-generics/generic_const_exprs/issue-105257.stderr b/tests/ui/const-generics/generic_const_exprs/issue-105257.stderr index ed7a8cb19a4..d7ded0f1f74 100644 --- a/tests/ui/const-generics/generic_const_exprs/issue-105257.stderr +++ b/tests/ui/const-generics/generic_const_exprs/issue-105257.stderr @@ -5,10 +5,17 @@ LL | fn fnc<const N: usize = "">(&self) {} | ^^^^^^^^^^^^^^^^^^^ error: defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - --> $DIR/issue-105257.rs:6:12 + --> $DIR/issue-105257.rs:7:12 | LL | fn foo<const N: usize = { std::mem::size_of::<T>() }>(&self) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: aborting due to 2 previous errors +error[E0308]: mismatched types + --> $DIR/issue-105257.rs:5:29 + | +LL | fn fnc<const N: usize = "">(&self) {} + | ^^ expected `usize`, found `&str` + +error: aborting due to 3 previous errors +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/const-generics/late-bound-vars/late-bound-in-return-issue-77357.stderr b/tests/ui/const-generics/late-bound-vars/late-bound-in-return-issue-77357.stderr index 7bef98b1d5d..1fe0109771c 100644 --- a/tests/ui/const-generics/late-bound-vars/late-bound-in-return-issue-77357.stderr +++ b/tests/ui/const-generics/late-bound-vars/late-bound-in-return-issue-77357.stderr @@ -4,5 +4,14 @@ error: cannot capture late-bound lifetime in constant LL | fn bug<'a, T>() -> &'static dyn MyTrait<[(); { |x: &'a u32| { x }; 4 }]> { | -- lifetime defined here ^^ -error: aborting due to 1 previous error +error: overly complex generic constant + --> $DIR/late-bound-in-return-issue-77357.rs:9:46 + | +LL | fn bug<'a, T>() -> &'static dyn MyTrait<[(); { |x: &'a u32| { x }; 4 }]> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^ blocks are not supported in generic constants + | + = help: consider moving this anonymous constant into a `const` function + = note: this operation may be supported in the future + +error: aborting due to 2 previous errors diff --git a/tests/ui/const-generics/min_const_generics/macro-fail.rs b/tests/ui/const-generics/min_const_generics/macro-fail.rs index 7fb69032e6f..f3df96d468c 100644 --- a/tests/ui/const-generics/min_const_generics/macro-fail.rs +++ b/tests/ui/const-generics/min_const_generics/macro-fail.rs @@ -14,6 +14,7 @@ impl<const N: usize> Marker<N> for Example<N> {} fn make_marker() -> impl Marker<gimme_a_const!(marker)> { //~^ ERROR: type provided when a constant was expected Example::<gimme_a_const!(marker)> + //~^ ERROR: type provided when a constant was expected } fn from_marker(_: impl Marker<{ @@ -33,7 +34,9 @@ fn main() { }>; let _fail = Example::<external_macro!()>; + //~^ ERROR: type provided when a constant was expected let _fail = Example::<gimme_a_const!()>; //~^ ERROR unexpected end of macro invocation + //~| ERROR: type provided when a constant was expected } diff --git a/tests/ui/const-generics/min_const_generics/macro-fail.stderr b/tests/ui/const-generics/min_const_generics/macro-fail.stderr index cc629fd920f..06a111008a3 100644 --- a/tests/ui/const-generics/min_const_generics/macro-fail.stderr +++ b/tests/ui/const-generics/min_const_generics/macro-fail.stderr @@ -1,5 +1,5 @@ error: expected type, found `{` - --> $DIR/macro-fail.rs:28:27 + --> $DIR/macro-fail.rs:29:27 | LL | fn make_marker() -> impl Marker<gimme_a_const!(marker)> { | ---------------------- @@ -13,7 +13,7 @@ LL | ($rusty: ident) => {{ let $rusty = 3; *&$rusty }} = note: this error originates in the macro `gimme_a_const` (in Nightly builds, run with -Z macro-backtrace for more info) error: expected type, found `{` - --> $DIR/macro-fail.rs:28:27 + --> $DIR/macro-fail.rs:29:27 | LL | Example::<gimme_a_const!(marker)> | ---------------------- @@ -41,7 +41,7 @@ LL | let _fail = Example::<external_macro!()>; = note: this error originates in the macro `external_macro` (in Nightly builds, run with -Z macro-backtrace for more info) error: unexpected end of macro invocation - --> $DIR/macro-fail.rs:37:25 + --> $DIR/macro-fail.rs:39:25 | LL | macro_rules! gimme_a_const { | -------------------------- when calling this macro @@ -50,7 +50,7 @@ LL | let _fail = Example::<gimme_a_const!()>; | ^^^^^^^^^^^^^^^^ missing tokens in macro arguments | note: while trying to match meta-variable `$rusty:ident` - --> $DIR/macro-fail.rs:28:8 + --> $DIR/macro-fail.rs:29:8 | LL | ($rusty: ident) => {{ let $rusty = 3; *&$rusty }} | ^^^^^^^^^^^^^ @@ -61,6 +61,24 @@ error[E0747]: type provided when a constant was expected LL | fn make_marker() -> impl Marker<gimme_a_const!(marker)> { | ^^^^^^^^^^^^^^^^^^^^^^ -error: aborting due to 5 previous errors +error[E0747]: type provided when a constant was expected + --> $DIR/macro-fail.rs:16:13 + | +LL | Example::<gimme_a_const!(marker)> + | ^^^^^^^^^^^^^^^^^^^^^^ + +error[E0747]: type provided when a constant was expected + --> $DIR/macro-fail.rs:36:25 + | +LL | let _fail = Example::<external_macro!()>; + | ^^^^^^^^^^^^^^^^^ + +error[E0747]: type provided when a constant was expected + --> $DIR/macro-fail.rs:39:25 + | +LL | let _fail = Example::<gimme_a_const!()>; + | ^^^^^^^^^^^^^^^^ + +error: aborting due to 8 previous errors For more information about this error, try `rustc --explain E0747`. diff --git a/tests/ui/consts/escaping-bound-var.rs b/tests/ui/consts/escaping-bound-var.rs index 7c1fbd24f55..a538d607d6c 100644 --- a/tests/ui/consts/escaping-bound-var.rs +++ b/tests/ui/consts/escaping-bound-var.rs @@ -3,7 +3,7 @@ fn test<'a>( _: &'a (), -) -> [(); { +) -> [(); { //~ ERROR: mismatched types let x: &'a (); //~^ ERROR cannot capture late-bound lifetime in constant 1 diff --git a/tests/ui/consts/escaping-bound-var.stderr b/tests/ui/consts/escaping-bound-var.stderr index a943c84e3b2..bb0d285f4d0 100644 --- a/tests/ui/consts/escaping-bound-var.stderr +++ b/tests/ui/consts/escaping-bound-var.stderr @@ -16,5 +16,23 @@ LL | fn test<'a>( LL | let x: &'a (); | ^^ -error: aborting due to 1 previous error; 1 warning emitted +error[E0308]: mismatched types + --> $DIR/escaping-bound-var.rs:6:6 + | +LL | fn test<'a>( + | ---- implicitly returns `()` as its body has no tail or `return` expression +LL | _: &'a (), +LL | ) -> [(); { + | ______^ +LL | | let x: &'a (); +LL | | +LL | | 1 +LL | | }] { + | |__^ expected `[(); { + let x: &'a (); + 1 +}]`, found `()` + +error: aborting due to 2 previous errors; 1 warning emitted +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/consts/issue-103790.rs b/tests/ui/consts/issue-103790.rs index ea3cac605b1..5d130821dc8 100644 --- a/tests/ui/consts/issue-103790.rs +++ b/tests/ui/consts/issue-103790.rs @@ -6,5 +6,6 @@ struct S<const S: (), const S: S = { S }>; //~| ERROR missing generics for struct `S` //~| ERROR cycle detected when computing type of `S::S` //~| ERROR cycle detected when computing type of `S` +//~| ERROR `()` is forbidden as the type of a const generic parameter fn main() {} diff --git a/tests/ui/consts/issue-103790.stderr b/tests/ui/consts/issue-103790.stderr index 67334469dcd..55bc9675401 100644 --- a/tests/ui/consts/issue-103790.stderr +++ b/tests/ui/consts/issue-103790.stderr @@ -61,7 +61,16 @@ LL | | fn main() {} | |____________^ = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information -error: aborting due to 4 previous errors +error: `()` is forbidden as the type of a const generic parameter + --> $DIR/issue-103790.rs:4:19 + | +LL | struct S<const S: (), const S: S = { S }>; + | ^^ + | + = note: the only supported types are integers, `bool` and `char` + = help: add `#![feature(adt_const_params)]` to the crate attributes to enable more complex and user defined types + +error: aborting due to 5 previous errors Some errors have detailed explanations: E0107, E0391, E0403. For more information about an error, try `rustc --explain E0107`. diff --git a/tests/ui/derives/issue-97343.rs b/tests/ui/derives/issue-97343.rs index 6f0e4d55aeb..91f0aa376e9 100644 --- a/tests/ui/derives/issue-97343.rs +++ b/tests/ui/derives/issue-97343.rs @@ -2,6 +2,7 @@ use std::fmt::Debug; #[derive(Debug)] pub struct Irrelevant<Irrelevant> { //~ ERROR type arguments are not allowed on type parameter + //~^ ERROR `Irrelevant` must be used irrelevant: Irrelevant, } diff --git a/tests/ui/derives/issue-97343.stderr b/tests/ui/derives/issue-97343.stderr index efb2fb70f5a..45612ae6f47 100644 --- a/tests/ui/derives/issue-97343.stderr +++ b/tests/ui/derives/issue-97343.stderr @@ -16,6 +16,16 @@ LL | pub struct Irrelevant<Irrelevant> { | ^^^^^^^^^^ = note: this error originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) -error: aborting due to 1 previous error +error[E0210]: type parameter `Irrelevant` must be used as the type parameter for some local type (e.g., `MyStruct<Irrelevant>`) + --> $DIR/issue-97343.rs:4:23 + | +LL | pub struct Irrelevant<Irrelevant> { + | ^^^^^^^^^^ type parameter `Irrelevant` must be used as the type parameter for some local type + | + = note: implementing a foreign trait is only possible if at least one of the types for which it is implemented is local + = note: only traits defined in the current crate can be implemented for a type parameter + +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0109`. +Some errors have detailed explanations: E0109, E0210. +For more information about an error, try `rustc --explain E0109`. diff --git a/tests/ui/destructuring-assignment/struct_destructure_fail.stderr b/tests/ui/destructuring-assignment/struct_destructure_fail.stderr index ae7b3d1e5a9..57851ed417e 100644 --- a/tests/ui/destructuring-assignment/struct_destructure_fail.stderr +++ b/tests/ui/destructuring-assignment/struct_destructure_fail.stderr @@ -12,11 +12,16 @@ error: functional record updates are not allowed in destructuring assignments LL | Struct { a, ..d } = Struct { a: 1, b: 2 }; | ^ help: consider removing the trailing pattern -error: base expression required after `..` +error[E0797]: base expression required after `..` --> $DIR/struct_destructure_fail.rs:15:19 | LL | Struct { a, .. }; - | ^ add a base expression here + | ^ + | +help: add a base expression here + | +LL | Struct { a, ../* expr */ }; + | ++++++++++ error[E0026]: struct `Struct` does not have a field named `c` --> $DIR/struct_destructure_fail.rs:10:20 @@ -41,5 +46,5 @@ LL | Struct { a, .. } = Struct { a: 1, b: 2 }; error: aborting due to 5 previous errors -Some errors have detailed explanations: E0026, E0027. +Some errors have detailed explanations: E0026, E0027, E0797. For more information about an error, try `rustc --explain E0026`. diff --git a/tests/ui/did_you_mean/bad-assoc-ty.rs b/tests/ui/did_you_mean/bad-assoc-ty.rs index f787c416c2d..5a559b01ea2 100644 --- a/tests/ui/did_you_mean/bad-assoc-ty.rs +++ b/tests/ui/did_you_mean/bad-assoc-ty.rs @@ -71,6 +71,7 @@ enum N<F> where F: Fn() -> _ { union O<F> where F: Fn() -> _ { //~^ ERROR the placeholder `_` is not allowed within types on item signatures for unions foo: F, + //~^ ERROR must implement `Copy` } trait P<F> where F: Fn() -> _ { diff --git a/tests/ui/did_you_mean/bad-assoc-ty.stderr b/tests/ui/did_you_mean/bad-assoc-ty.stderr index 5c0c7a0b94f..3c474d19d1d 100644 --- a/tests/ui/did_you_mean/bad-assoc-ty.stderr +++ b/tests/ui/did_you_mean/bad-assoc-ty.stderr @@ -299,7 +299,7 @@ LL | union O<F, T> where F: Fn() -> T { | +++ ~ error[E0121]: the placeholder `_` is not allowed within types on item signatures for traits - --> $DIR/bad-assoc-ty.rs:76:29 + --> $DIR/bad-assoc-ty.rs:77:29 | LL | trait P<F> where F: Fn() -> _ { | ^ not allowed in type signatures @@ -310,7 +310,7 @@ LL | trait P<F, T> where F: Fn() -> T { | +++ ~ error[E0121]: the placeholder `_` is not allowed within types on item signatures for functions - --> $DIR/bad-assoc-ty.rs:81:38 + --> $DIR/bad-assoc-ty.rs:82:38 | LL | fn foo<F>(_: F) where F: Fn() -> _ {} | ^ not allowed in type signatures @@ -320,7 +320,19 @@ help: use type parameters instead LL | fn foo<F, T>(_: F) where F: Fn() -> T {} | +++ ~ -error: aborting due to 28 previous errors; 1 warning emitted +error[E0740]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union + --> $DIR/bad-assoc-ty.rs:73:5 + | +LL | foo: F, + | ^^^^^^ + | + = note: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>` +help: wrap the field type in `ManuallyDrop<...>` + | +LL | foo: std::mem::ManuallyDrop<F>, + | +++++++++++++++++++++++ + + +error: aborting due to 29 previous errors; 1 warning emitted -Some errors have detailed explanations: E0121, E0223. +Some errors have detailed explanations: E0121, E0223, E0740. For more information about an error, try `rustc --explain E0121`. diff --git a/tests/ui/did_you_mean/replace-impl-infer-ty-from-trait.fixed b/tests/ui/did_you_mean/replace-impl-infer-ty-from-trait.fixed index 4963790c35d..eebe8d6e3f3 100644 --- a/tests/ui/did_you_mean/replace-impl-infer-ty-from-trait.fixed +++ b/tests/ui/did_you_mean/replace-impl-infer-ty-from-trait.fixed @@ -8,6 +8,7 @@ trait Foo<T>: Sized { impl Foo<usize> for () { fn bar(i: i32, t: usize, s: &()) -> (usize, i32) { //~^ ERROR the placeholder `_` is not allowed within types on item signatures for functions + //~| ERROR type annotations needed (1, 2) } } diff --git a/tests/ui/did_you_mean/replace-impl-infer-ty-from-trait.rs b/tests/ui/did_you_mean/replace-impl-infer-ty-from-trait.rs index ddf39c9c861..aa7510821af 100644 --- a/tests/ui/did_you_mean/replace-impl-infer-ty-from-trait.rs +++ b/tests/ui/did_you_mean/replace-impl-infer-ty-from-trait.rs @@ -8,6 +8,7 @@ trait Foo<T>: Sized { impl Foo<usize> for () { fn bar(i: _, t: _, s: _) -> _ { //~^ ERROR the placeholder `_` is not allowed within types on item signatures for functions + //~| ERROR type annotations needed (1, 2) } } diff --git a/tests/ui/did_you_mean/replace-impl-infer-ty-from-trait.stderr b/tests/ui/did_you_mean/replace-impl-infer-ty-from-trait.stderr index 2ca6436bb99..6f38def6998 100644 --- a/tests/ui/did_you_mean/replace-impl-infer-ty-from-trait.stderr +++ b/tests/ui/did_you_mean/replace-impl-infer-ty-from-trait.stderr @@ -13,6 +13,13 @@ help: try replacing `_` with the types in the corresponding trait method signatu LL | fn bar(i: i32, t: usize, s: &()) -> (usize, i32) { | ~~~ ~~~~~ ~~~ ~~~~~~~~~~~~ -error: aborting due to 1 previous error +error[E0282]: type annotations needed + --> $DIR/replace-impl-infer-ty-from-trait.rs:9:12 + | +LL | fn bar(i: _, t: _, s: _) -> _ { + | ^ cannot infer type + +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0121`. +Some errors have detailed explanations: E0121, E0282. +For more information about an error, try `rustc --explain E0121`. diff --git a/tests/ui/dyn-keyword/dyn-2021-edition-error.rs b/tests/ui/dyn-keyword/dyn-2021-edition-error.rs index 0f05d8753ea..bc1bed8a9a4 100644 --- a/tests/ui/dyn-keyword/dyn-2021-edition-error.rs +++ b/tests/ui/dyn-keyword/dyn-2021-edition-error.rs @@ -4,6 +4,7 @@ fn function(x: &SomeTrait, y: Box<SomeTrait>) { //~^ ERROR trait objects must include the `dyn` keyword //~| ERROR trait objects must include the `dyn` keyword let _x: &SomeTrait = todo!(); + //~^ ERROR trait objects must include the `dyn` keyword } trait SomeTrait {} diff --git a/tests/ui/dyn-keyword/dyn-2021-edition-error.stderr b/tests/ui/dyn-keyword/dyn-2021-edition-error.stderr index 08ee77116f0..b39689afd1c 100644 --- a/tests/ui/dyn-keyword/dyn-2021-edition-error.stderr +++ b/tests/ui/dyn-keyword/dyn-2021-edition-error.stderr @@ -20,6 +20,17 @@ help: add `dyn` keyword before this trait LL | fn function(x: &SomeTrait, y: Box<dyn SomeTrait>) { | +++ -error: aborting due to 2 previous errors +error[E0782]: trait objects must include the `dyn` keyword + --> $DIR/dyn-2021-edition-error.rs:6:14 + | +LL | let _x: &SomeTrait = todo!(); + | ^^^^^^^^^ + | +help: add `dyn` keyword before this trait + | +LL | let _x: &dyn SomeTrait = todo!(); + | +++ + +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0782`. diff --git a/tests/ui/error-codes/E0227.rs b/tests/ui/error-codes/E0227.rs index 0f0a781d2f9..4dd4da55fa3 100644 --- a/tests/ui/error-codes/E0227.rs +++ b/tests/ui/error-codes/E0227.rs @@ -6,6 +6,7 @@ trait FooBar<'foo, 'bar>: Foo<'foo> + Bar<'bar> {} struct Baz<'foo, 'bar> { baz: dyn FooBar<'foo, 'bar>, //~^ ERROR ambiguous lifetime bound, explicit lifetime bound required + //~| ERROR lifetime bound not satisfied } fn main() { diff --git a/tests/ui/error-codes/E0227.stderr b/tests/ui/error-codes/E0227.stderr index c77a2e98af7..6338034a022 100644 --- a/tests/ui/error-codes/E0227.stderr +++ b/tests/ui/error-codes/E0227.stderr @@ -4,6 +4,24 @@ error[E0227]: ambiguous lifetime bound, explicit lifetime bound required LL | baz: dyn FooBar<'foo, 'bar>, | ^^^^^^^^^^^^^^^^^^^^^^ -error: aborting due to 1 previous error +error[E0478]: lifetime bound not satisfied + --> $DIR/E0227.rs:7:10 + | +LL | baz: dyn FooBar<'foo, 'bar>, + | ^^^^^^^^^^^^^^^^^^^^^^ + | +note: lifetime parameter instantiated with the lifetime `'bar` as defined here + --> $DIR/E0227.rs:6:18 + | +LL | struct Baz<'foo, 'bar> { + | ^^^^ +note: but lifetime parameter must outlive the lifetime `'foo` as defined here + --> $DIR/E0227.rs:6:12 + | +LL | struct Baz<'foo, 'bar> { + | ^^^^ + +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0227`. +Some errors have detailed explanations: E0227, E0478. +For more information about an error, try `rustc --explain E0227`. diff --git a/tests/ui/error-codes/E0229.rs b/tests/ui/error-codes/E0229.rs index 4c1934107a6..b7cdb1737b0 100644 --- a/tests/ui/error-codes/E0229.rs +++ b/tests/ui/error-codes/E0229.rs @@ -12,6 +12,9 @@ impl Foo for isize { fn baz<I>(x: &<I as Foo<A=Bar>>::A) {} //~^ ERROR associated type bindings are not allowed here [E0229] +//~| ERROR associated type bindings are not allowed here [E0229] +//~| ERROR associated type bindings are not allowed here [E0229] +//~| ERROR the trait bound `I: Foo` is not satisfied fn main() { } diff --git a/tests/ui/error-codes/E0229.stderr b/tests/ui/error-codes/E0229.stderr index e981fb91ce8..a7a2904bb89 100644 --- a/tests/ui/error-codes/E0229.stderr +++ b/tests/ui/error-codes/E0229.stderr @@ -4,6 +4,34 @@ error[E0229]: associated type bindings are not allowed here LL | fn baz<I>(x: &<I as Foo<A=Bar>>::A) {} | ^^^^^ associated type not allowed here -error: aborting due to 1 previous error +error[E0229]: associated type bindings are not allowed here + --> $DIR/E0229.rs:13:25 + | +LL | fn baz<I>(x: &<I as Foo<A=Bar>>::A) {} + | ^^^^^ associated type not allowed here + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error[E0229]: associated type bindings are not allowed here + --> $DIR/E0229.rs:13:25 + | +LL | fn baz<I>(x: &<I as Foo<A=Bar>>::A) {} + | ^^^^^ associated type not allowed here + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error[E0277]: the trait bound `I: Foo` is not satisfied + --> $DIR/E0229.rs:13:15 + | +LL | fn baz<I>(x: &<I as Foo<A=Bar>>::A) {} + | ^^^^^^^^^^^^^^^^^^^^ the trait `Foo` is not implemented for `I` + | +help: consider restricting type parameter `I` + | +LL | fn baz<I: Foo>(x: &<I as Foo<A=Bar>>::A) {} + | +++++ + +error: aborting due to 4 previous errors -For more information about this error, try `rustc --explain E0229`. +Some errors have detailed explanations: E0229, E0277. +For more information about an error, try `rustc --explain E0229`. diff --git a/tests/ui/error-codes/E0719.rs b/tests/ui/error-codes/E0719.rs index cbf1bb219a0..0ea6d19000b 100644 --- a/tests/ui/error-codes/E0719.rs +++ b/tests/ui/error-codes/E0719.rs @@ -1,6 +1,7 @@ trait Foo: Iterator<Item = i32, Item = i32> {} //~^ ERROR is already specified //~| ERROR is already specified +//~| ERROR is already specified type Unit = (); @@ -11,5 +12,6 @@ fn test() -> Box<dyn Iterator<Item = (), Item = Unit>> { fn main() { let _: &dyn Iterator<Item = i32, Item = i32>; + //~^ ERROR already specified test(); } diff --git a/tests/ui/error-codes/E0719.stderr b/tests/ui/error-codes/E0719.stderr index 00aea97139a..f048a8aabd4 100644 --- a/tests/ui/error-codes/E0719.stderr +++ b/tests/ui/error-codes/E0719.stderr @@ -17,13 +17,31 @@ LL | trait Foo: Iterator<Item = i32, Item = i32> {} = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified - --> $DIR/E0719.rs:7:42 + --> $DIR/E0719.rs:8:42 | LL | fn test() -> Box<dyn Iterator<Item = (), Item = Unit>> { | --------- ^^^^^^^^^^^ re-bound here | | | `Item` bound here first -error: aborting due to 3 previous errors +error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified + --> $DIR/E0719.rs:1:33 + | +LL | trait Foo: Iterator<Item = i32, Item = i32> {} + | ---------- ^^^^^^^^^^ re-bound here + | | + | `Item` bound here first + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error[E0719]: the value of the associated type `Item` in trait `Iterator` is already specified + --> $DIR/E0719.rs:14:38 + | +LL | let _: &dyn Iterator<Item = i32, Item = i32>; + | ---------- ^^^^^^^^^^ re-bound here + | | + | `Item` bound here first + +error: aborting due to 5 previous errors For more information about this error, try `rustc --explain E0719`. diff --git a/tests/ui/extern-flag/empty-extern-arg.stderr b/tests/ui/extern-flag/empty-extern-arg.stderr index 54b5e66fc21..79efcc5d8b0 100644 --- a/tests/ui/extern-flag/empty-extern-arg.stderr +++ b/tests/ui/extern-flag/empty-extern-arg.stderr @@ -2,10 +2,10 @@ error: extern location for std does not exist: error: `#[panic_handler]` function required, but not found -error: language item required, but not found: `eh_personality` +error: unwinding panics are not supported without std | - = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library - = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config` + = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding + = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem error: aborting due to 3 previous errors diff --git a/tests/ui/feature-gates/feature-gate-impl_trait_in_assoc_type.rs b/tests/ui/feature-gates/feature-gate-impl_trait_in_assoc_type.rs index de0487cdb20..2c130664e9a 100644 --- a/tests/ui/feature-gates/feature-gate-impl_trait_in_assoc_type.rs +++ b/tests/ui/feature-gates/feature-gate-impl_trait_in_assoc_type.rs @@ -5,6 +5,7 @@ trait Foo { impl Foo for () { type Bar = impl std::fmt::Debug; //~^ ERROR: `impl Trait` in associated types is unstable + //~| ERROR: unconstrained opaque type } struct Mop; @@ -13,6 +14,7 @@ impl Mop { type Bop = impl std::fmt::Debug; //~^ ERROR: `impl Trait` in associated types is unstable //~| ERROR: inherent associated types are unstable + //~| ERROR: unconstrained opaque type } fn main() {} diff --git a/tests/ui/feature-gates/feature-gate-impl_trait_in_assoc_type.stderr b/tests/ui/feature-gates/feature-gate-impl_trait_in_assoc_type.stderr index 9a1ded96822..420363ced6f 100644 --- a/tests/ui/feature-gates/feature-gate-impl_trait_in_assoc_type.stderr +++ b/tests/ui/feature-gates/feature-gate-impl_trait_in_assoc_type.stderr @@ -8,7 +8,7 @@ LL | type Bar = impl std::fmt::Debug; = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable error[E0658]: `impl Trait` in associated types is unstable - --> $DIR/feature-gate-impl_trait_in_assoc_type.rs:13:16 + --> $DIR/feature-gate-impl_trait_in_assoc_type.rs:14:16 | LL | type Bop = impl std::fmt::Debug; | ^^^^^^^^^^^^^^^^^^^^ @@ -17,7 +17,7 @@ LL | type Bop = impl std::fmt::Debug; = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable error[E0658]: inherent associated types are unstable - --> $DIR/feature-gate-impl_trait_in_assoc_type.rs:13:5 + --> $DIR/feature-gate-impl_trait_in_assoc_type.rs:14:5 | LL | type Bop = impl std::fmt::Debug; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -25,6 +25,22 @@ LL | type Bop = impl std::fmt::Debug; = note: see issue #8995 <https://github.com/rust-lang/rust/issues/8995> for more information = help: add `#![feature(inherent_associated_types)]` to the crate attributes to enable -error: aborting due to 3 previous errors +error: unconstrained opaque type + --> $DIR/feature-gate-impl_trait_in_assoc_type.rs:6:16 + | +LL | type Bar = impl std::fmt::Debug; + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: `Bar` must be used in combination with a concrete type within the same impl + +error: unconstrained opaque type + --> $DIR/feature-gate-impl_trait_in_assoc_type.rs:14:16 + | +LL | type Bop = impl std::fmt::Debug; + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: `Bop` must be used in combination with a concrete type within the same impl + +error: aborting due to 5 previous errors For more information about this error, try `rustc --explain E0658`. diff --git a/tests/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.rs b/tests/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.rs index eecf2046ccb..b8ce9c85b72 100644 --- a/tests/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.rs +++ b/tests/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.rs @@ -7,29 +7,35 @@ struct Foo; impl Fn<()> for Foo { -//~^ ERROR the precise format of `Fn`-family traits' type parameters is subject to change -//~| ERROR manual implementations of `Fn` are experimental + //~^ ERROR the precise format of `Fn`-family traits' type parameters is subject to change + //~| ERROR manual implementations of `Fn` are experimental + //~| ERROR expected a `FnMut()` closure, found `Foo` extern "rust-call" fn call(self, args: ()) -> () {} //~^ ERROR rust-call ABI is subject to change + //~| ERROR `call` has an incompatible type for trait } struct Foo1; impl FnOnce() for Foo1 { -//~^ ERROR associated type bindings are not allowed here -//~| ERROR manual implementations of `FnOnce` are experimental + //~^ ERROR associated type bindings are not allowed here + //~| ERROR manual implementations of `FnOnce` are experimental + //~| ERROR not all trait items implemented extern "rust-call" fn call_once(self, args: ()) -> () {} //~^ ERROR rust-call ABI is subject to change } struct Bar; impl FnMut<()> for Bar { -//~^ ERROR the precise format of `Fn`-family traits' type parameters is subject to change -//~| ERROR manual implementations of `FnMut` are experimental + //~^ ERROR the precise format of `Fn`-family traits' type parameters is subject to change + //~| ERROR manual implementations of `FnMut` are experimental + //~| ERROR expected a `FnOnce()` closure, found `Bar` extern "rust-call" fn call_mut(&self, args: ()) -> () {} //~^ ERROR rust-call ABI is subject to change + //~| ERROR incompatible type for trait } struct Baz; impl FnOnce<()> for Baz { -//~^ ERROR the precise format of `Fn`-family traits' type parameters is subject to change -//~| ERROR manual implementations of `FnOnce` are experimental + //~^ ERROR the precise format of `Fn`-family traits' type parameters is subject to change + //~| ERROR manual implementations of `FnOnce` are experimental + //~| ERROR not all trait items implemented extern "rust-call" fn call_once(&self, args: ()) -> () {} //~^ ERROR rust-call ABI is subject to change } diff --git a/tests/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.stderr b/tests/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.stderr index b1613f638d3..b417dfb506a 100644 --- a/tests/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.stderr +++ b/tests/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.stderr @@ -1,5 +1,5 @@ error[E0658]: rust-call ABI is subject to change - --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:12:12 + --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:13:12 | LL | extern "rust-call" fn call(self, args: ()) -> () {} | ^^^^^^^^^^^ @@ -8,7 +8,7 @@ LL | extern "rust-call" fn call(self, args: ()) -> () {} = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable error[E0658]: rust-call ABI is subject to change - --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:19:12 + --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:22:12 | LL | extern "rust-call" fn call_once(self, args: ()) -> () {} | ^^^^^^^^^^^ @@ -17,7 +17,7 @@ LL | extern "rust-call" fn call_once(self, args: ()) -> () {} = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable error[E0658]: rust-call ABI is subject to change - --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:26:12 + --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:30:12 | LL | extern "rust-call" fn call_mut(&self, args: ()) -> () {} | ^^^^^^^^^^^ @@ -26,7 +26,7 @@ LL | extern "rust-call" fn call_mut(&self, args: ()) -> () {} = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable error[E0658]: rust-call ABI is subject to change - --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:33:12 + --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:39:12 | LL | extern "rust-call" fn call_once(&self, args: ()) -> () {} | ^^^^^^^^^^^ @@ -52,7 +52,7 @@ LL | impl Fn<()> for Foo { = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable error[E0183]: manual implementations of `FnOnce` are experimental - --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:16:6 + --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:18:6 | LL | impl FnOnce() for Foo1 { | ^^^^^^^^ manual implementations of `FnOnce` are experimental @@ -60,19 +60,19 @@ LL | impl FnOnce() for Foo1 { = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable error[E0229]: associated type bindings are not allowed here - --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:16:6 + --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:18:6 | LL | impl FnOnce() for Foo1 { | ^^^^^^^^ associated type not allowed here | help: parenthesized trait syntax expands to `FnOnce<(), Output=()>` - --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:16:6 + --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:18:6 | LL | impl FnOnce() for Foo1 { | ^^^^^^^^ error[E0658]: the precise format of `Fn`-family traits' type parameters is subject to change - --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:23:6 + --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:26:6 | LL | impl FnMut<()> for Bar { | ^^^^^^^^^ @@ -81,7 +81,7 @@ LL | impl FnMut<()> for Bar { = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable error[E0183]: manual implementations of `FnMut` are experimental - --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:23:6 + --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:26:6 | LL | impl FnMut<()> for Bar { | ^^^^^^^^^ manual implementations of `FnMut` are experimental @@ -89,7 +89,7 @@ LL | impl FnMut<()> for Bar { = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable error[E0658]: the precise format of `Fn`-family traits' type parameters is subject to change - --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:30:6 + --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:35:6 | LL | impl FnOnce<()> for Baz { | ^^^^^^^^^^ @@ -98,14 +98,76 @@ LL | impl FnOnce<()> for Baz { = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable error[E0183]: manual implementations of `FnOnce` are experimental - --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:30:6 + --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:35:6 | LL | impl FnOnce<()> for Baz { | ^^^^^^^^^^ manual implementations of `FnOnce` are experimental | = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable -error: aborting due to 12 previous errors +error[E0277]: expected a `FnMut()` closure, found `Foo` + --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:9:17 + | +LL | impl Fn<()> for Foo { + | ^^^ expected an `FnMut()` closure, found `Foo` + | + = help: the trait `FnMut<()>` is not implemented for `Foo` + = note: wrap the `Foo` in a closure with no arguments: `|| { /* code */ }` +note: required by a bound in `Fn` + --> $SRC_DIR/core/src/ops/function.rs:LL:COL + +error[E0053]: method `call` has an incompatible type for trait + --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:13:32 + | +LL | extern "rust-call" fn call(self, args: ()) -> () {} + | ^^^^ + | | + | expected `&Foo`, found `Foo` + | help: change the self-receiver type to match the trait: `&self` + | + = note: expected signature `extern "rust-call" fn(&Foo, ()) -> _` + found signature `extern "rust-call" fn(Foo, ())` + +error[E0046]: not all trait items implemented, missing: `Output` + --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:18:1 + | +LL | impl FnOnce() for Foo1 { + | ^^^^^^^^^^^^^^^^^^^^^^ missing `Output` in implementation + | + = help: implement the missing item: `type Output = /* Type */;` + +error[E0277]: expected a `FnOnce()` closure, found `Bar` + --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:26:20 + | +LL | impl FnMut<()> for Bar { + | ^^^ expected an `FnOnce()` closure, found `Bar` + | + = help: the trait `FnOnce<()>` is not implemented for `Bar` + = note: wrap the `Bar` in a closure with no arguments: `|| { /* code */ }` +note: required by a bound in `FnMut` + --> $SRC_DIR/core/src/ops/function.rs:LL:COL + +error[E0053]: method `call_mut` has an incompatible type for trait + --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:30:36 + | +LL | extern "rust-call" fn call_mut(&self, args: ()) -> () {} + | ^^^^^ + | | + | types differ in mutability + | help: change the self-receiver type to match the trait: `&mut self` + | + = note: expected signature `extern "rust-call" fn(&mut Bar, ()) -> _` + found signature `extern "rust-call" fn(&Bar, ())` + +error[E0046]: not all trait items implemented, missing: `Output` + --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:35:1 + | +LL | impl FnOnce<()> for Baz { + | ^^^^^^^^^^^^^^^^^^^^^^^ missing `Output` in implementation + | + = help: implement the missing item: `type Output = /* Type */;` + +error: aborting due to 18 previous errors -Some errors have detailed explanations: E0183, E0229, E0658. -For more information about an error, try `rustc --explain E0183`. +Some errors have detailed explanations: E0046, E0053, E0183, E0229, E0277, E0658. +For more information about an error, try `rustc --explain E0046`. diff --git a/tests/ui/fn/issue-39259.rs b/tests/ui/fn/issue-39259.rs index 5872f1007b0..16983b652fc 100644 --- a/tests/ui/fn/issue-39259.rs +++ b/tests/ui/fn/issue-39259.rs @@ -4,8 +4,10 @@ struct S; impl Fn(u32) -> u32 for S { -//~^ ERROR associated type bindings are not allowed here [E0229] + //~^ ERROR associated type bindings are not allowed here [E0229] + //~| ERROR expected a `FnMut(u32)` closure, found `S` fn call(&self) -> u32 { + //~^ ERROR method `call` has 1 parameter but the declaration in trait `call` has 2 5 } } diff --git a/tests/ui/fn/issue-39259.stderr b/tests/ui/fn/issue-39259.stderr index bd102e58135..47150a3c155 100644 --- a/tests/ui/fn/issue-39259.stderr +++ b/tests/ui/fn/issue-39259.stderr @@ -10,6 +10,25 @@ help: parenthesized trait syntax expands to `Fn<(u32,), Output=u32>` LL | impl Fn(u32) -> u32 for S { | ^^^^^^^^^^^^^^ -error: aborting due to 1 previous error +error[E0277]: expected a `FnMut(u32)` closure, found `S` + --> $DIR/issue-39259.rs:6:25 + | +LL | impl Fn(u32) -> u32 for S { + | ^ expected an `FnMut(u32)` closure, found `S` + | + = help: the trait `FnMut<(u32,)>` is not implemented for `S` +note: required by a bound in `Fn` + --> $SRC_DIR/core/src/ops/function.rs:LL:COL + +error[E0050]: method `call` has 1 parameter but the declaration in trait `call` has 2 + --> $DIR/issue-39259.rs:9:13 + | +LL | fn call(&self) -> u32 { + | ^^^^^ expected 2 parameters, found 1 + | + = note: `call` from trait: `extern "rust-call" fn(&Self, Args) -> <Self as FnOnce<Args>>::Output` + +error: aborting due to 3 previous errors -For more information about this error, try `rustc --explain E0229`. +Some errors have detailed explanations: E0050, E0229, E0277. +For more information about an error, try `rustc --explain E0050`. diff --git a/tests/ui/generic-associated-types/gat-in-trait-path-undeclared-lifetime.rs b/tests/ui/generic-associated-types/gat-in-trait-path-undeclared-lifetime.rs index 86b164ba7d8..1a4678c7e70 100644 --- a/tests/ui/generic-associated-types/gat-in-trait-path-undeclared-lifetime.rs +++ b/tests/ui/generic-associated-types/gat-in-trait-path-undeclared-lifetime.rs @@ -6,4 +6,7 @@ fn main() { fn _f(arg : Box<dyn for<'a> X<Y<'x> = &'a [u32]>>) {} //~^ ERROR: use of undeclared lifetime name `'x` //~| ERROR: binding for associated type `Y` references lifetime + //~| ERROR: binding for associated type `Y` references lifetime + //~| ERROR: binding for associated type `Y` references lifetime + //~| ERROR: the trait `X` cannot be made into an object } diff --git a/tests/ui/generic-associated-types/gat-in-trait-path-undeclared-lifetime.stderr b/tests/ui/generic-associated-types/gat-in-trait-path-undeclared-lifetime.stderr index b77f10084c9..4a56b20eb59 100644 --- a/tests/ui/generic-associated-types/gat-in-trait-path-undeclared-lifetime.stderr +++ b/tests/ui/generic-associated-types/gat-in-trait-path-undeclared-lifetime.stderr @@ -20,7 +20,38 @@ error[E0582]: binding for associated type `Y` references lifetime `'a`, which do LL | fn _f(arg : Box<dyn for<'a> X<Y<'x> = &'a [u32]>>) {} | ^^^^^^^^^^^^^^^^^ -error: aborting due to 2 previous errors +error[E0582]: binding for associated type `Y` references lifetime `'a`, which does not appear in the trait input types + --> $DIR/gat-in-trait-path-undeclared-lifetime.rs:6:33 + | +LL | fn _f(arg : Box<dyn for<'a> X<Y<'x> = &'a [u32]>>) {} + | ^^^^^^^^^^^^^^^^^ + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error[E0582]: binding for associated type `Y` references lifetime `'a`, which does not appear in the trait input types + --> $DIR/gat-in-trait-path-undeclared-lifetime.rs:6:33 + | +LL | fn _f(arg : Box<dyn for<'a> X<Y<'x> = &'a [u32]>>) {} + | ^^^^^^^^^^^^^^^^^ + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error[E0038]: the trait `X` cannot be made into an object + --> $DIR/gat-in-trait-path-undeclared-lifetime.rs:6:19 + | +LL | fn _f(arg : Box<dyn for<'a> X<Y<'x> = &'a [u32]>>) {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `X` cannot be made into an object + | +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> + --> $DIR/gat-in-trait-path-undeclared-lifetime.rs:2:8 + | +LL | trait X { + | - this trait cannot be made into an object... +LL | type Y<'x>; + | ^ ...because it contains the generic associated type `Y` + = help: consider moving `Y` to another trait + +error: aborting due to 5 previous errors -Some errors have detailed explanations: E0261, E0582. -For more information about an error, try `rustc --explain E0261`. +Some errors have detailed explanations: E0038, E0261, E0582. +For more information about an error, try `rustc --explain E0038`. diff --git a/tests/ui/generic-associated-types/gat-trait-path-missing-lifetime.rs b/tests/ui/generic-associated-types/gat-trait-path-missing-lifetime.rs index 83b86f04a95..285493132b6 100644 --- a/tests/ui/generic-associated-types/gat-trait-path-missing-lifetime.rs +++ b/tests/ui/generic-associated-types/gat-trait-path-missing-lifetime.rs @@ -4,10 +4,11 @@ trait X { fn foo<'a>(t : Self::Y<'a>) -> Self::Y<'a> { t } } -impl<T> X for T { +impl<T> X for T { //~ ERROR: not all trait items implemented fn foo<'a, T1: X<Y = T1>>(t : T1) -> T1::Y<'a> { //~^ ERROR missing generics for associated type //~^^ ERROR missing generics for associated type + //~| ERROR method `foo` has 1 type parameter but its trait declaration has 0 type parameters t } } diff --git a/tests/ui/generic-associated-types/gat-trait-path-missing-lifetime.stderr b/tests/ui/generic-associated-types/gat-trait-path-missing-lifetime.stderr index 7f535ec432c..74ce93a613c 100644 --- a/tests/ui/generic-associated-types/gat-trait-path-missing-lifetime.stderr +++ b/tests/ui/generic-associated-types/gat-trait-path-missing-lifetime.stderr @@ -31,6 +31,27 @@ help: add missing lifetime argument LL | fn foo<'a, T1: X<Y<'a> = T1>>(t : T1) -> T1::Y<'a> { | ++++ -error: aborting due to 2 previous errors +error[E0049]: method `foo` has 1 type parameter but its trait declaration has 0 type parameters + --> $DIR/gat-trait-path-missing-lifetime.rs:8:10 + | +LL | fn foo<'a>(t : Self::Y<'a>) -> Self::Y<'a> { t } + | -- expected 0 type parameters +... +LL | fn foo<'a, T1: X<Y = T1>>(t : T1) -> T1::Y<'a> { + | ^^ ^^ + | | + | found 1 type parameter + +error[E0046]: not all trait items implemented, missing: `Y` + --> $DIR/gat-trait-path-missing-lifetime.rs:7:1 + | +LL | type Y<'a>; + | ---------- `Y` from trait +... +LL | impl<T> X for T { + | ^^^^^^^^^^^^^^^ missing `Y` in implementation + +error: aborting due to 4 previous errors -For more information about this error, try `rustc --explain E0107`. +Some errors have detailed explanations: E0046, E0049, E0107. +For more information about an error, try `rustc --explain E0046`. diff --git a/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.rs b/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.rs index 5738dfa83ee..c4134427013 100644 --- a/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.rs +++ b/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.rs @@ -7,10 +7,19 @@ fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {} //~| ERROR: parenthesized generic arguments cannot be used //~| ERROR associated type takes 0 generic arguments but 1 generic argument //~| ERROR associated type takes 1 lifetime argument but 0 lifetime arguments + //~| ERROR associated type takes 0 generic arguments but 1 generic argument + //~| ERROR associated type takes 1 lifetime argument but 0 lifetime arguments + //~| ERROR associated type takes 0 generic arguments but 1 generic argument + //~| ERROR associated type takes 1 lifetime argument but 0 lifetime arguments + //~| ERROR at least one trait is required + //~| ERROR: the trait `X` cannot be made into an object fn bar<'a>(arg: Box<dyn X<Y() = ()>>) {} //~^ ERROR: parenthesized generic arguments cannot be used //~| ERROR associated type takes 1 lifetime argument but 0 lifetime arguments + //~| ERROR associated type takes 1 lifetime argument but 0 lifetime arguments + //~| ERROR associated type takes 1 lifetime argument but 0 lifetime arguments + //~| ERROR: the trait `X` cannot be made into an object fn main() {} diff --git a/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.stderr b/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.stderr index 461853379b5..bad2ae9c918 100644 --- a/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.stderr +++ b/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.stderr @@ -16,7 +16,7 @@ LL | fn foo<'a>(arg: Box<dyn X<Y<'a> = &'a ()>>) {} | ~ ~ error: parenthesized generic arguments cannot be used in associated type constraints - --> $DIR/gat-trait-path-parenthesised-args.rs:12:27 + --> $DIR/gat-trait-path-parenthesised-args.rs:18:27 | LL | fn bar<'a>(arg: Box<dyn X<Y() = ()>>) {} | ^-- @@ -54,7 +54,7 @@ LL | type Y<'a>; | ^ error[E0107]: associated type takes 1 lifetime argument but 0 lifetime arguments were supplied - --> $DIR/gat-trait-path-parenthesised-args.rs:12:27 + --> $DIR/gat-trait-path-parenthesised-args.rs:18:27 | LL | fn bar<'a>(arg: Box<dyn X<Y() = ()>>) {} | ^ expected 1 lifetime argument @@ -69,6 +69,141 @@ help: add missing lifetime argument LL | fn bar<'a>(arg: Box<dyn X<Y('_) = ()>>) {} | ++ -error: aborting due to 6 previous errors +error[E0107]: associated type takes 1 lifetime argument but 0 lifetime arguments were supplied + --> $DIR/gat-trait-path-parenthesised-args.rs:5:27 + | +LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {} + | ^ expected 1 lifetime argument + | +note: associated type defined here, with 1 lifetime parameter: `'a` + --> $DIR/gat-trait-path-parenthesised-args.rs:2:8 + | +LL | type Y<'a>; + | ^ -- + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` +help: add missing lifetime argument + | +LL | fn foo<'a>(arg: Box<dyn X<Y('_, 'a) = &'a ()>>) {} + | +++ + +error[E0107]: associated type takes 0 generic arguments but 1 generic argument was supplied + --> $DIR/gat-trait-path-parenthesised-args.rs:5:27 + | +LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {} + | ^---- help: remove these generics + | | + | expected 0 generic arguments + | +note: associated type defined here, with 0 generic parameters + --> $DIR/gat-trait-path-parenthesised-args.rs:2:8 + | +LL | type Y<'a>; + | ^ + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error[E0107]: associated type takes 1 lifetime argument but 0 lifetime arguments were supplied + --> $DIR/gat-trait-path-parenthesised-args.rs:5:27 + | +LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {} + | ^ expected 1 lifetime argument + | +note: associated type defined here, with 1 lifetime parameter: `'a` + --> $DIR/gat-trait-path-parenthesised-args.rs:2:8 + | +LL | type Y<'a>; + | ^ -- + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` +help: add missing lifetime argument + | +LL | fn foo<'a>(arg: Box<dyn X<Y('_, 'a) = &'a ()>>) {} + | +++ + +error[E0107]: associated type takes 0 generic arguments but 1 generic argument was supplied + --> $DIR/gat-trait-path-parenthesised-args.rs:5:27 + | +LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {} + | ^---- help: remove these generics + | | + | expected 0 generic arguments + | +note: associated type defined here, with 0 generic parameters + --> $DIR/gat-trait-path-parenthesised-args.rs:2:8 + | +LL | type Y<'a>; + | ^ + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error[E0224]: at least one trait is required for an object type + --> $DIR/gat-trait-path-parenthesised-args.rs:5:29 + | +LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {} + | ^^ + +error[E0038]: the trait `X` cannot be made into an object + --> $DIR/gat-trait-path-parenthesised-args.rs:5:21 + | +LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {} + | ^^^^^^^^^^^^^^^^^^^^^ `X` cannot be made into an object + | +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> + --> $DIR/gat-trait-path-parenthesised-args.rs:2:8 + | +LL | trait X { + | - this trait cannot be made into an object... +LL | type Y<'a>; + | ^ ...because it contains the generic associated type `Y` + = help: consider moving `Y` to another trait + +error[E0107]: associated type takes 1 lifetime argument but 0 lifetime arguments were supplied + --> $DIR/gat-trait-path-parenthesised-args.rs:18:27 + | +LL | fn bar<'a>(arg: Box<dyn X<Y() = ()>>) {} + | ^ expected 1 lifetime argument + | +note: associated type defined here, with 1 lifetime parameter: `'a` + --> $DIR/gat-trait-path-parenthesised-args.rs:2:8 + | +LL | type Y<'a>; + | ^ -- + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` +help: add missing lifetime argument + | +LL | fn bar<'a>(arg: Box<dyn X<Y('_) = ()>>) {} + | ++ + +error[E0107]: associated type takes 1 lifetime argument but 0 lifetime arguments were supplied + --> $DIR/gat-trait-path-parenthesised-args.rs:18:27 + | +LL | fn bar<'a>(arg: Box<dyn X<Y() = ()>>) {} + | ^ expected 1 lifetime argument + | +note: associated type defined here, with 1 lifetime parameter: `'a` + --> $DIR/gat-trait-path-parenthesised-args.rs:2:8 + | +LL | type Y<'a>; + | ^ -- + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` +help: add missing lifetime argument + | +LL | fn bar<'a>(arg: Box<dyn X<Y('_) = ()>>) {} + | ++ + +error[E0038]: the trait `X` cannot be made into an object + --> $DIR/gat-trait-path-parenthesised-args.rs:18:21 + | +LL | fn bar<'a>(arg: Box<dyn X<Y() = ()>>) {} + | ^^^^^^^^^^^^^^^ `X` cannot be made into an object + | +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> + --> $DIR/gat-trait-path-parenthesised-args.rs:2:8 + | +LL | trait X { + | - this trait cannot be made into an object... +LL | type Y<'a>; + | ^ ...because it contains the generic associated type `Y` + = help: consider moving `Y` to another trait + +error: aborting due to 15 previous errors -For more information about this error, try `rustc --explain E0107`. +Some errors have detailed explanations: E0038, E0107, E0224. +For more information about an error, try `rustc --explain E0038`. diff --git a/tests/ui/generic-associated-types/issue-71176.rs b/tests/ui/generic-associated-types/issue-71176.rs index f0e162d825f..e58b6f6091e 100644 --- a/tests/ui/generic-associated-types/issue-71176.rs +++ b/tests/ui/generic-associated-types/issue-71176.rs @@ -9,6 +9,9 @@ impl Provider for () { struct Holder<B> { inner: Box<dyn Provider<A = B>>, //~^ ERROR: missing generics for associated type + //~| ERROR: missing generics for associated type + //~| ERROR: missing generics for associated type + //~| ERROR: the trait `Provider` cannot be made into an object } fn main() { diff --git a/tests/ui/generic-associated-types/issue-71176.stderr b/tests/ui/generic-associated-types/issue-71176.stderr index ed837f34753..a1913bb618b 100644 --- a/tests/ui/generic-associated-types/issue-71176.stderr +++ b/tests/ui/generic-associated-types/issue-71176.stderr @@ -14,6 +14,57 @@ help: add missing lifetime argument LL | inner: Box<dyn Provider<A<'a> = B>>, | ++++ -error: aborting due to 1 previous error +error[E0107]: missing generics for associated type `Provider::A` + --> $DIR/issue-71176.rs:10:27 + | +LL | inner: Box<dyn Provider<A = B>>, + | ^ expected 1 lifetime argument + | +note: associated type defined here, with 1 lifetime parameter: `'a` + --> $DIR/issue-71176.rs:2:10 + | +LL | type A<'a>; + | ^ -- + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` +help: add missing lifetime argument + | +LL | inner: Box<dyn Provider<A<'a> = B>>, + | ++++ + +error[E0107]: missing generics for associated type `Provider::A` + --> $DIR/issue-71176.rs:10:27 + | +LL | inner: Box<dyn Provider<A = B>>, + | ^ expected 1 lifetime argument + | +note: associated type defined here, with 1 lifetime parameter: `'a` + --> $DIR/issue-71176.rs:2:10 + | +LL | type A<'a>; + | ^ -- + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` +help: add missing lifetime argument + | +LL | inner: Box<dyn Provider<A<'a> = B>>, + | ++++ + +error[E0038]: the trait `Provider` cannot be made into an object + --> $DIR/issue-71176.rs:10:14 + | +LL | inner: Box<dyn Provider<A = B>>, + | ^^^^^^^^^^^^^^^^^^^ `Provider` cannot be made into an object + | +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> + --> $DIR/issue-71176.rs:2:10 + | +LL | trait Provider { + | -------- this trait cannot be made into an object... +LL | type A<'a>; + | ^ ...because it contains the generic associated type `A` + = help: consider moving `A` to another trait + = help: only type `()` implements the trait, consider using it directly instead + +error: aborting due to 4 previous errors -For more information about this error, try `rustc --explain E0107`. +Some errors have detailed explanations: E0038, E0107. +For more information about an error, try `rustc --explain E0038`. diff --git a/tests/ui/generic-associated-types/issue-79636-1.rs b/tests/ui/generic-associated-types/issue-79636-1.rs index a89039b5c72..a05311d59c1 100644 --- a/tests/ui/generic-associated-types/issue-79636-1.rs +++ b/tests/ui/generic-associated-types/issue-79636-1.rs @@ -3,6 +3,7 @@ trait Monad { type Wrapped<B>; fn bind<B, F>(self, f: F) -> Self::Wrapped<B> { + //~^ ERROR: the size for values of type `Self` cannot be known todo!() } } @@ -14,8 +15,10 @@ where //~^ ERROR: missing generics for associated type `Monad::Wrapped` { outer.bind(|inner| inner) + //~^ ERROR type annotations needed } fn main() { assert_eq!(join(Some(Some(true))), Some(true)); + //~^ ERROR: `Option<Option<bool>>: Monad` is not satisfied } diff --git a/tests/ui/generic-associated-types/issue-79636-1.stderr b/tests/ui/generic-associated-types/issue-79636-1.stderr index 4076e951875..743d8b7d462 100644 --- a/tests/ui/generic-associated-types/issue-79636-1.stderr +++ b/tests/ui/generic-associated-types/issue-79636-1.stderr @@ -1,5 +1,5 @@ error[E0107]: missing generics for associated type `Monad::Wrapped` - --> $DIR/issue-79636-1.rs:13:34 + --> $DIR/issue-79636-1.rs:14:34 | LL | MInner: Monad<Unwrapped = A, Wrapped = MOuter::Wrapped<A>>, | ^^^^^^^ expected 1 generic argument @@ -14,6 +14,56 @@ help: add missing generic argument LL | MInner: Monad<Unwrapped = A, Wrapped<B> = MOuter::Wrapped<A>>, | +++ -error: aborting due to 1 previous error +error[E0277]: the size for values of type `Self` cannot be known at compilation time + --> $DIR/issue-79636-1.rs:5:19 + | +LL | fn bind<B, F>(self, f: F) -> Self::Wrapped<B> { + | ^^^^ doesn't have a size known at compile-time + | + = help: unsized fn params are gated as an unstable feature +help: consider further restricting `Self` + | +LL | fn bind<B, F>(self, f: F) -> Self::Wrapped<B> where Self: Sized { + | +++++++++++++++++ +help: function arguments must have a statically known size, borrowed types always have a known size + | +LL | fn bind<B, F>(&self, f: F) -> Self::Wrapped<B> { + | + + +error[E0282]: type annotations needed + --> $DIR/issue-79636-1.rs:17:17 + | +LL | outer.bind(|inner| inner) + | ^^^^^ + | +help: consider giving this closure parameter an explicit type + | +LL | outer.bind(|inner: /* Type */| inner) + | ++++++++++++ + +error[E0277]: the trait bound `Option<Option<bool>>: Monad` is not satisfied + --> $DIR/issue-79636-1.rs:22:21 + | +LL | assert_eq!(join(Some(Some(true))), Some(true)); + | ---- ^^^^^^^^^^^^^^^^ the trait `Monad` is not implemented for `Option<Option<bool>>` + | | + | required by a bound introduced by this call + | +help: this trait has no implementations, consider adding one + --> $DIR/issue-79636-1.rs:1:1 + | +LL | trait Monad { + | ^^^^^^^^^^^ +note: required by a bound in `join` + --> $DIR/issue-79636-1.rs:13:13 + | +LL | fn join<MOuter, MInner, A>(outer: MOuter) -> MOuter::Wrapped<A> + | ---- required by a bound in this function +LL | where +LL | MOuter: Monad<Unwrapped = MInner>, + | ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `join` + +error: aborting due to 4 previous errors -For more information about this error, try `rustc --explain E0107`. +Some errors have detailed explanations: E0107, E0277, E0282. +For more information about an error, try `rustc --explain E0107`. diff --git a/tests/ui/generic-associated-types/issue-80433.rs b/tests/ui/generic-associated-types/issue-80433.rs index 05ff82fa7d5..bdba78c2ccd 100644 --- a/tests/ui/generic-associated-types/issue-80433.rs +++ b/tests/ui/generic-associated-types/issue-80433.rs @@ -4,7 +4,7 @@ struct E<T> { } trait TestMut { - type Output<'a>; + type Output<'a>; //~ ERROR missing required bound fn test_mut<'a>(&'a mut self) -> Self::Output<'a>; } diff --git a/tests/ui/generic-associated-types/issue-80433.stderr b/tests/ui/generic-associated-types/issue-80433.stderr index 488fbeceddd..ab1fb794418 100644 --- a/tests/ui/generic-associated-types/issue-80433.stderr +++ b/tests/ui/generic-associated-types/issue-80433.stderr @@ -14,6 +14,17 @@ help: add missing lifetime argument LL | fn test_simpler<'a>(dst: &'a mut impl TestMut<Output<'a> = &'a mut f32>) | ++++ -error: aborting due to 1 previous error +error: missing required bound on `Output` + --> $DIR/issue-80433.rs:7:5 + | +LL | type Output<'a>; + | ^^^^^^^^^^^^^^^- + | | + | help: add the required where clause: `where Self: 'a` + | + = note: this bound is currently required to ensure that impls have maximum flexibility + = note: we are soliciting feedback, see issue #87479 <https://github.com/rust-lang/rust/issues/87479> for more information + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0107`. diff --git a/tests/ui/generic-associated-types/missing_lifetime_args.rs b/tests/ui/generic-associated-types/missing_lifetime_args.rs index 331511ba61a..470db5412b2 100644 --- a/tests/ui/generic-associated-types/missing_lifetime_args.rs +++ b/tests/ui/generic-associated-types/missing_lifetime_args.rs @@ -10,6 +10,9 @@ struct Foo<'a, 'b, 'c> { fn foo<'c, 'd>(_arg: Box<dyn X<Y = (&'c u32, &'d u32)>>) {} //~^ ERROR missing generics for associated type +//~| ERROR missing generics for associated type +//~| ERROR missing generics for associated type +//~| ERROR the trait `X` cannot be made into an object fn bar<'a, 'b, 'c>(_arg: Foo<'a, 'b>) {} //~^ ERROR struct takes 3 lifetime arguments but 2 lifetime diff --git a/tests/ui/generic-associated-types/missing_lifetime_args.stderr b/tests/ui/generic-associated-types/missing_lifetime_args.stderr index 1a7a2e787a1..5980c60c51c 100644 --- a/tests/ui/generic-associated-types/missing_lifetime_args.stderr +++ b/tests/ui/generic-associated-types/missing_lifetime_args.stderr @@ -15,7 +15,7 @@ LL | fn foo<'c, 'd>(_arg: Box<dyn X<Y<'_, '_> = (&'c u32, &'d u32)>>) {} | ++++++++ error[E0107]: struct takes 3 lifetime arguments but 2 lifetime arguments were supplied - --> $DIR/missing_lifetime_args.rs:14:26 + --> $DIR/missing_lifetime_args.rs:17:26 | LL | fn bar<'a, 'b, 'c>(_arg: Foo<'a, 'b>) {} | ^^^ -- -- supplied 2 lifetime arguments @@ -33,7 +33,7 @@ LL | fn bar<'a, 'b, 'c>(_arg: Foo<'a, 'b, 'a>) {} | ++++ error[E0107]: struct takes 3 lifetime arguments but 1 lifetime argument was supplied - --> $DIR/missing_lifetime_args.rs:17:16 + --> $DIR/missing_lifetime_args.rs:20:16 | LL | fn f<'a>(_arg: Foo<'a>) {} | ^^^ -- supplied 1 lifetime argument @@ -50,6 +50,56 @@ help: add missing lifetime arguments LL | fn f<'a>(_arg: Foo<'a, 'a, 'a>) {} | ++++++++ -error: aborting due to 3 previous errors +error[E0107]: missing generics for associated type `X::Y` + --> $DIR/missing_lifetime_args.rs:11:32 + | +LL | fn foo<'c, 'd>(_arg: Box<dyn X<Y = (&'c u32, &'d u32)>>) {} + | ^ expected 2 lifetime arguments + | +note: associated type defined here, with 2 lifetime parameters: `'a`, `'b` + --> $DIR/missing_lifetime_args.rs:2:10 + | +LL | type Y<'a, 'b>; + | ^ -- -- + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` +help: add missing lifetime arguments + | +LL | fn foo<'c, 'd>(_arg: Box<dyn X<Y<'_, '_> = (&'c u32, &'d u32)>>) {} + | ++++++++ + +error[E0107]: missing generics for associated type `X::Y` + --> $DIR/missing_lifetime_args.rs:11:32 + | +LL | fn foo<'c, 'd>(_arg: Box<dyn X<Y = (&'c u32, &'d u32)>>) {} + | ^ expected 2 lifetime arguments + | +note: associated type defined here, with 2 lifetime parameters: `'a`, `'b` + --> $DIR/missing_lifetime_args.rs:2:10 + | +LL | type Y<'a, 'b>; + | ^ -- -- + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` +help: add missing lifetime arguments + | +LL | fn foo<'c, 'd>(_arg: Box<dyn X<Y<'_, '_> = (&'c u32, &'d u32)>>) {} + | ++++++++ + +error[E0038]: the trait `X` cannot be made into an object + --> $DIR/missing_lifetime_args.rs:11:26 + | +LL | fn foo<'c, 'd>(_arg: Box<dyn X<Y = (&'c u32, &'d u32)>>) {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `X` cannot be made into an object + | +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> + --> $DIR/missing_lifetime_args.rs:2:10 + | +LL | trait X { + | - this trait cannot be made into an object... +LL | type Y<'a, 'b>; + | ^ ...because it contains the generic associated type `Y` + = help: consider moving `Y` to another trait + +error: aborting due to 6 previous errors -For more information about this error, try `rustc --explain E0107`. +Some errors have detailed explanations: E0038, E0107. +For more information about an error, try `rustc --explain E0038`. diff --git a/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.rs b/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.rs index c58f9cf1dfc..d6fc3df1026 100644 --- a/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.rs +++ b/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.rs @@ -6,6 +6,11 @@ const _: () = { fn f2<'a>(arg : Box<dyn X<Y<1> = &'a ()>>) {} //~^ ERROR associated type takes 1 lifetime argument but 0 lifetime arguments //~| ERROR associated type takes 0 generic arguments but 1 generic argument + //~| ERROR associated type takes 1 lifetime argument but 0 lifetime arguments + //~| ERROR associated type takes 0 generic arguments but 1 generic argument + //~| ERROR associated type takes 1 lifetime argument but 0 lifetime arguments + //~| ERROR associated type takes 0 generic arguments but 1 generic argument + //~| ERROR the trait `X` cannot be made into an object }; fn main() {} diff --git a/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.stderr b/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.stderr index fab5b474d92..2090f75aed3 100644 --- a/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.stderr +++ b/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.stderr @@ -28,6 +28,86 @@ note: associated type defined here, with 0 generic parameters LL | type Y<'a>; | ^ -error: aborting due to 2 previous errors +error[E0107]: associated type takes 1 lifetime argument but 0 lifetime arguments were supplied + --> $DIR/trait-path-type-error-once-implemented.rs:6:29 + | +LL | fn f2<'a>(arg : Box<dyn X<Y<1> = &'a ()>>) {} + | ^ expected 1 lifetime argument + | +note: associated type defined here, with 1 lifetime parameter: `'a` + --> $DIR/trait-path-type-error-once-implemented.rs:2:10 + | +LL | type Y<'a>; + | ^ -- + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` +help: add missing lifetime argument + | +LL | fn f2<'a>(arg : Box<dyn X<Y<'_, 1> = &'a ()>>) {} + | +++ + +error[E0107]: associated type takes 0 generic arguments but 1 generic argument was supplied + --> $DIR/trait-path-type-error-once-implemented.rs:6:29 + | +LL | fn f2<'a>(arg : Box<dyn X<Y<1> = &'a ()>>) {} + | ^--- help: remove these generics + | | + | expected 0 generic arguments + | +note: associated type defined here, with 0 generic parameters + --> $DIR/trait-path-type-error-once-implemented.rs:2:10 + | +LL | type Y<'a>; + | ^ + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error[E0107]: associated type takes 1 lifetime argument but 0 lifetime arguments were supplied + --> $DIR/trait-path-type-error-once-implemented.rs:6:29 + | +LL | fn f2<'a>(arg : Box<dyn X<Y<1> = &'a ()>>) {} + | ^ expected 1 lifetime argument + | +note: associated type defined here, with 1 lifetime parameter: `'a` + --> $DIR/trait-path-type-error-once-implemented.rs:2:10 + | +LL | type Y<'a>; + | ^ -- + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` +help: add missing lifetime argument + | +LL | fn f2<'a>(arg : Box<dyn X<Y<'_, 1> = &'a ()>>) {} + | +++ + +error[E0107]: associated type takes 0 generic arguments but 1 generic argument was supplied + --> $DIR/trait-path-type-error-once-implemented.rs:6:29 + | +LL | fn f2<'a>(arg : Box<dyn X<Y<1> = &'a ()>>) {} + | ^--- help: remove these generics + | | + | expected 0 generic arguments + | +note: associated type defined here, with 0 generic parameters + --> $DIR/trait-path-type-error-once-implemented.rs:2:10 + | +LL | type Y<'a>; + | ^ + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error[E0038]: the trait `X` cannot be made into an object + --> $DIR/trait-path-type-error-once-implemented.rs:6:23 + | +LL | fn f2<'a>(arg : Box<dyn X<Y<1> = &'a ()>>) {} + | ^^^^^^^^^^^^^^^^^^^^ `X` cannot be made into an object + | +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> + --> $DIR/trait-path-type-error-once-implemented.rs:2:10 + | +LL | trait X { + | - this trait cannot be made into an object... +LL | type Y<'a>; + | ^ ...because it contains the generic associated type `Y` + = help: consider moving `Y` to another trait + +error: aborting due to 7 previous errors -For more information about this error, try `rustc --explain E0107`. +Some errors have detailed explanations: E0038, E0107. +For more information about an error, try `rustc --explain E0038`. diff --git a/tests/ui/generic-associated-types/type-param-defaults.rs b/tests/ui/generic-associated-types/type-param-defaults.rs index f034076b010..a9c8c5c12d9 100644 --- a/tests/ui/generic-associated-types/type-param-defaults.rs +++ b/tests/ui/generic-associated-types/type-param-defaults.rs @@ -29,6 +29,8 @@ where fn main() { // errors foo::<()>(); + //~^ ERROR type mismatch + //~| ERROR `u64: Other` is not satisfied // works foo::<u32>(); } diff --git a/tests/ui/generic-associated-types/type-param-defaults.stderr b/tests/ui/generic-associated-types/type-param-defaults.stderr index 85ccaba0e69..3c094d45fff 100644 --- a/tests/ui/generic-associated-types/type-param-defaults.stderr +++ b/tests/ui/generic-associated-types/type-param-defaults.stderr @@ -16,5 +16,43 @@ error: defaults for type parameters are only allowed in `struct`, `enum`, `type` LL | type Assoc<T = u32> = T; | ^^^^^^^ -error: aborting due to 3 previous errors +error[E0271]: type mismatch resolving `<() as Trait>::Assoc == u32` + --> $DIR/type-param-defaults.rs:31:11 + | +LL | foo::<()>(); + | ^^ type mismatch resolving `<() as Trait>::Assoc == u32` + | +note: expected this to be `u32` + --> $DIR/type-param-defaults.rs:11:27 + | +LL | type Assoc<T = u32> = u64; + | ^^^ +note: required by a bound in `foo` + --> $DIR/type-param-defaults.rs:25:14 + | +LL | fn foo<T>() + | --- required by a bound in this function +LL | where +LL | T: Trait<Assoc = u32>, + | ^^^^^^^^^^^ required by this bound in `foo` + +error[E0277]: the trait bound `u64: Other` is not satisfied + --> $DIR/type-param-defaults.rs:31:11 + | +LL | foo::<()>(); + | ^^ the trait `Other` is not implemented for `u64` + | + = help: the trait `Other` is implemented for `u32` +note: required by a bound in `foo` + --> $DIR/type-param-defaults.rs:26:15 + | +LL | fn foo<T>() + | --- required by a bound in this function +... +LL | T::Assoc: Other { + | ^^^^^ required by this bound in `foo` + +error: aborting due to 5 previous errors +Some errors have detailed explanations: E0271, E0277. +For more information about an error, try `rustc --explain E0271`. diff --git a/tests/ui/generic-const-items/parameter-defaults.rs b/tests/ui/generic-const-items/parameter-defaults.rs index a6f82c249fe..c933db17fa2 100644 --- a/tests/ui/generic-const-items/parameter-defaults.rs +++ b/tests/ui/generic-const-items/parameter-defaults.rs @@ -11,4 +11,5 @@ const NONE<T = ()>: Option<T> = None::<T>; //~ ERROR defaults for type parameter fn main() { let _ = NONE; + //~^ ERROR type annotations needed } diff --git a/tests/ui/generic-const-items/parameter-defaults.stderr b/tests/ui/generic-const-items/parameter-defaults.stderr index 59862286945..697423e8dc3 100644 --- a/tests/ui/generic-const-items/parameter-defaults.stderr +++ b/tests/ui/generic-const-items/parameter-defaults.stderr @@ -4,5 +4,17 @@ error: defaults for type parameters are only allowed in `struct`, `enum`, `type` LL | const NONE<T = ()>: Option<T> = None::<T>; | ^^^^^^ -error: aborting due to 1 previous error +error[E0282]: type annotations needed for `Option<T>` + --> $DIR/parameter-defaults.rs:13:9 + | +LL | let _ = NONE; + | ^ + | +help: consider giving this pattern a type, where the type for type parameter `T` is specified + | +LL | let _: Option<T> = NONE; + | +++++++++++ + +error: aborting due to 2 previous errors +For more information about this error, try `rustc --explain E0282`. diff --git a/tests/ui/generics/wrong-number-of-args.rs b/tests/ui/generics/wrong-number-of-args.rs index e4eaff21af1..95463d1c32c 100644 --- a/tests/ui/generics/wrong-number-of-args.rs +++ b/tests/ui/generics/wrong-number-of-args.rs @@ -21,7 +21,7 @@ mod no_generics { } mod type_and_type { - struct Ty<A, B>; + struct Ty<A, B>(A, B); type A = Ty; //~^ ERROR missing generics for struct `type_and_type::Ty` @@ -43,7 +43,7 @@ mod type_and_type { } mod lifetime_and_type { - struct Ty<'a, T>; + struct Ty<'a, T>(&'a T); type A = Ty; //~^ ERROR missing generics for struct @@ -75,7 +75,7 @@ mod lifetime_and_type { } mod type_and_type_and_type { - struct Ty<A, B, C = &'static str>; + struct Ty<A, B, C = &'static str>(A, B, C); type A = Ty; //~^ ERROR missing generics for struct `type_and_type_and_type::Ty` diff --git a/tests/ui/generics/wrong-number-of-args.stderr b/tests/ui/generics/wrong-number-of-args.stderr index 9006fb10b67..e04408a0fdf 100644 --- a/tests/ui/generics/wrong-number-of-args.stderr +++ b/tests/ui/generics/wrong-number-of-args.stderr @@ -246,7 +246,7 @@ LL | type A = Ty; note: struct defined here, with 2 generic parameters: `A`, `B` --> $DIR/wrong-number-of-args.rs:24:12 | -LL | struct Ty<A, B>; +LL | struct Ty<A, B>(A, B); | ^^ - - help: add missing generic arguments | @@ -264,7 +264,7 @@ LL | type B = Ty<usize>; note: struct defined here, with 2 generic parameters: `A`, `B` --> $DIR/wrong-number-of-args.rs:24:12 | -LL | struct Ty<A, B>; +LL | struct Ty<A, B>(A, B); | ^^ - - help: add missing generic argument | @@ -282,7 +282,7 @@ LL | type D = Ty<usize, String, char>; note: struct defined here, with 2 generic parameters: `A`, `B` --> $DIR/wrong-number-of-args.rs:24:12 | -LL | struct Ty<A, B>; +LL | struct Ty<A, B>(A, B); | ^^ - - error[E0107]: struct takes 2 generic arguments but 0 generic arguments were supplied @@ -294,7 +294,7 @@ LL | type E = Ty<>; note: struct defined here, with 2 generic parameters: `A`, `B` --> $DIR/wrong-number-of-args.rs:24:12 | -LL | struct Ty<A, B>; +LL | struct Ty<A, B>(A, B); | ^^ - - help: add missing generic arguments | @@ -310,7 +310,7 @@ LL | type A = Ty; note: struct defined here, with 1 generic parameter: `T` --> $DIR/wrong-number-of-args.rs:46:12 | -LL | struct Ty<'a, T>; +LL | struct Ty<'a, T>(&'a T); | ^^ - help: add missing generic argument | @@ -326,7 +326,7 @@ LL | type B = Ty<'static>; note: struct defined here, with 1 generic parameter: `T` --> $DIR/wrong-number-of-args.rs:46:12 | -LL | struct Ty<'a, T>; +LL | struct Ty<'a, T>(&'a T); | ^^ - help: add missing generic argument | @@ -342,7 +342,7 @@ LL | type E = Ty<>; note: struct defined here, with 1 generic parameter: `T` --> $DIR/wrong-number-of-args.rs:46:12 | -LL | struct Ty<'a, T>; +LL | struct Ty<'a, T>(&'a T); | ^^ - help: add missing generic argument | @@ -360,7 +360,7 @@ LL | type F = Ty<'static, usize, 'static, usize>; note: struct defined here, with 1 lifetime parameter: `'a` --> $DIR/wrong-number-of-args.rs:46:12 | -LL | struct Ty<'a, T>; +LL | struct Ty<'a, T>(&'a T); | ^^ -- error[E0107]: struct takes 1 generic argument but 2 generic arguments were supplied @@ -374,7 +374,7 @@ LL | type F = Ty<'static, usize, 'static, usize>; note: struct defined here, with 1 generic parameter: `T` --> $DIR/wrong-number-of-args.rs:46:12 | -LL | struct Ty<'a, T>; +LL | struct Ty<'a, T>(&'a T); | ^^ - error[E0107]: missing generics for struct `type_and_type_and_type::Ty` @@ -386,7 +386,7 @@ LL | type A = Ty; note: struct defined here, with at least 2 generic parameters: `A`, `B` --> $DIR/wrong-number-of-args.rs:78:12 | -LL | struct Ty<A, B, C = &'static str>; +LL | struct Ty<A, B, C = &'static str>(A, B, C); | ^^ - - help: add missing generic arguments | @@ -404,7 +404,7 @@ LL | type B = Ty<usize>; note: struct defined here, with at least 2 generic parameters: `A`, `B` --> $DIR/wrong-number-of-args.rs:78:12 | -LL | struct Ty<A, B, C = &'static str>; +LL | struct Ty<A, B, C = &'static str>(A, B, C); | ^^ - - help: add missing generic argument | @@ -422,7 +422,7 @@ LL | type E = Ty<usize, String, char, f64>; note: struct defined here, with at most 3 generic parameters: `A`, `B`, `C` --> $DIR/wrong-number-of-args.rs:78:12 | -LL | struct Ty<A, B, C = &'static str>; +LL | struct Ty<A, B, C = &'static str>(A, B, C); | ^^ - - ---------------- error[E0107]: struct takes at least 2 generic arguments but 0 generic arguments were supplied @@ -434,7 +434,7 @@ LL | type F = Ty<>; note: struct defined here, with at least 2 generic parameters: `A`, `B` --> $DIR/wrong-number-of-args.rs:78:12 | -LL | struct Ty<A, B, C = &'static str>; +LL | struct Ty<A, B, C = &'static str>(A, B, C); | ^^ - - help: add missing generic arguments | diff --git a/tests/ui/impl-trait/generic-with-implicit-hrtb-without-dyn.edition2021.stderr b/tests/ui/impl-trait/generic-with-implicit-hrtb-without-dyn.edition2021.stderr index 2e13ca753fc..7917fa991ee 100644 --- a/tests/ui/impl-trait/generic-with-implicit-hrtb-without-dyn.edition2021.stderr +++ b/tests/ui/impl-trait/generic-with-implicit-hrtb-without-dyn.edition2021.stderr @@ -1,3 +1,9 @@ +error[E0277]: the trait bound `(): AsRef<(dyn for<'a> Fn(&'a ()) + 'static)>` is not satisfied + --> $DIR/generic-with-implicit-hrtb-without-dyn.rs:6:13 + | +LL | fn ice() -> impl AsRef<Fn(&())> { + | ^^^^^^^^^^^^^^^^^^^ the trait `AsRef<(dyn for<'a> Fn(&'a ()) + 'static)>` is not implemented for `()` + error[E0782]: trait objects must include the `dyn` keyword --> $DIR/generic-with-implicit-hrtb-without-dyn.rs:6:24 | @@ -9,6 +15,7 @@ help: add `dyn` keyword before this trait LL | fn ice() -> impl AsRef<dyn Fn(&())> { | +++ -error: aborting due to 1 previous error +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0782`. +Some errors have detailed explanations: E0277, E0782. +For more information about an error, try `rustc --explain E0277`. diff --git a/tests/ui/impl-trait/generic-with-implicit-hrtb-without-dyn.rs b/tests/ui/impl-trait/generic-with-implicit-hrtb-without-dyn.rs index bed81c4bca7..55d69069afb 100644 --- a/tests/ui/impl-trait/generic-with-implicit-hrtb-without-dyn.rs +++ b/tests/ui/impl-trait/generic-with-implicit-hrtb-without-dyn.rs @@ -6,6 +6,7 @@ fn ice() -> impl AsRef<Fn(&())> { //[edition2015]~^ ERROR: the trait bound `(): AsRef<(dyn for<'a> Fn(&'a ()) + 'static)>` is not satisfied [E0277] //[edition2021]~^^ ERROR: trait objects must include the `dyn` keyword [E0782] + //[edition2021]~| ERROR: the trait bound `(): AsRef<(dyn for<'a> Fn(&'a ()) + 'static)>` is not satisfied [E0277] todo!() } diff --git a/tests/ui/impl-trait/impl-fn-hrtb-bounds.rs b/tests/ui/impl-trait/impl-fn-hrtb-bounds.rs index 527a4586fd7..06c3d9ad434 100644 --- a/tests/ui/impl-trait/impl-fn-hrtb-bounds.rs +++ b/tests/ui/impl-trait/impl-fn-hrtb-bounds.rs @@ -4,16 +4,19 @@ use std::fmt::Debug; fn a() -> impl Fn(&u8) -> (impl Debug + '_) { //~^ ERROR higher kinded lifetime bounds on nested opaque types are not supported yet |x| x + //~^ ERROR lifetime may not live long enough } fn b() -> impl for<'a> Fn(&'a u8) -> (impl Debug + 'a) { //~^ ERROR higher kinded lifetime bounds on nested opaque types are not supported yet |x| x + //~^ ERROR lifetime may not live long enough } fn c() -> impl for<'a> Fn(&'a u8) -> (impl Debug + '_) { //~^ ERROR higher kinded lifetime bounds on nested opaque types are not supported yet |x| x + //~^ ERROR lifetime may not live long enough } fn d() -> impl Fn() -> (impl Debug + '_) { diff --git a/tests/ui/impl-trait/impl-fn-hrtb-bounds.stderr b/tests/ui/impl-trait/impl-fn-hrtb-bounds.stderr index a5982a5542a..ebab9940493 100644 --- a/tests/ui/impl-trait/impl-fn-hrtb-bounds.stderr +++ b/tests/ui/impl-trait/impl-fn-hrtb-bounds.stderr @@ -1,5 +1,5 @@ error[E0106]: missing lifetime specifier - --> $DIR/impl-fn-hrtb-bounds.rs:19:38 + --> $DIR/impl-fn-hrtb-bounds.rs:22:38 | LL | fn d() -> impl Fn() -> (impl Debug + '_) { | ^^ expected named lifetime parameter @@ -23,29 +23,56 @@ LL | fn a() -> impl Fn(&u8) -> (impl Debug + '_) { | ^ error: higher kinded lifetime bounds on nested opaque types are not supported yet - --> $DIR/impl-fn-hrtb-bounds.rs:9:52 + --> $DIR/impl-fn-hrtb-bounds.rs:10:52 | LL | fn b() -> impl for<'a> Fn(&'a u8) -> (impl Debug + 'a) { | ^^ | note: lifetime declared here - --> $DIR/impl-fn-hrtb-bounds.rs:9:20 + --> $DIR/impl-fn-hrtb-bounds.rs:10:20 | LL | fn b() -> impl for<'a> Fn(&'a u8) -> (impl Debug + 'a) { | ^^ error: higher kinded lifetime bounds on nested opaque types are not supported yet - --> $DIR/impl-fn-hrtb-bounds.rs:14:52 + --> $DIR/impl-fn-hrtb-bounds.rs:16:52 | LL | fn c() -> impl for<'a> Fn(&'a u8) -> (impl Debug + '_) { | ^^ | note: lifetime declared here - --> $DIR/impl-fn-hrtb-bounds.rs:14:20 + --> $DIR/impl-fn-hrtb-bounds.rs:16:20 | LL | fn c() -> impl for<'a> Fn(&'a u8) -> (impl Debug + '_) { | ^^ -error: aborting due to 4 previous errors +error: lifetime may not live long enough + --> $DIR/impl-fn-hrtb-bounds.rs:6:9 + | +LL | |x| x + | -- ^ returning this value requires that `'1` must outlive `'2` + | || + | |return type of closure is impl Debug + '2 + | has type `&'1 u8` + +error: lifetime may not live long enough + --> $DIR/impl-fn-hrtb-bounds.rs:12:9 + | +LL | |x| x + | -- ^ returning this value requires that `'1` must outlive `'2` + | || + | |return type of closure is impl Debug + '2 + | has type `&'1 u8` + +error: lifetime may not live long enough + --> $DIR/impl-fn-hrtb-bounds.rs:18:9 + | +LL | |x| x + | -- ^ returning this value requires that `'1` must outlive `'2` + | || + | |return type of closure is impl Debug + '2 + | has type `&'1 u8` + +error: aborting due to 7 previous errors For more information about this error, try `rustc --explain E0106`. diff --git a/tests/ui/impl-trait/impl-fn-parsing-ambiguities.rs b/tests/ui/impl-trait/impl-fn-parsing-ambiguities.rs index 61303a5b2cb..a4a1f1dcee1 100644 --- a/tests/ui/impl-trait/impl-fn-parsing-ambiguities.rs +++ b/tests/ui/impl-trait/impl-fn-parsing-ambiguities.rs @@ -5,6 +5,7 @@ fn a() -> impl Fn(&u8) -> impl Debug + '_ { //~^ ERROR ambiguous `+` in a type //~| ERROR higher kinded lifetime bounds on nested opaque types are not supported yet |x| x + //~^ ERROR lifetime may not live long enough } fn b() -> impl Fn() -> impl Debug + Send { diff --git a/tests/ui/impl-trait/impl-fn-parsing-ambiguities.stderr b/tests/ui/impl-trait/impl-fn-parsing-ambiguities.stderr index cf6e5ef7bac..e18e89700b4 100644 --- a/tests/ui/impl-trait/impl-fn-parsing-ambiguities.stderr +++ b/tests/ui/impl-trait/impl-fn-parsing-ambiguities.stderr @@ -5,7 +5,7 @@ LL | fn a() -> impl Fn(&u8) -> impl Debug + '_ { | ^^^^^^^^^^^^^^^ help: use parentheses to disambiguate: `(impl Debug + '_)` error: ambiguous `+` in a type - --> $DIR/impl-fn-parsing-ambiguities.rs:10:24 + --> $DIR/impl-fn-parsing-ambiguities.rs:11:24 | LL | fn b() -> impl Fn() -> impl Debug + Send { | ^^^^^^^^^^^^^^^^^ help: use parentheses to disambiguate: `(impl Debug + Send)` @@ -22,5 +22,14 @@ note: lifetime declared here LL | fn a() -> impl Fn(&u8) -> impl Debug + '_ { | ^ -error: aborting due to 3 previous errors +error: lifetime may not live long enough + --> $DIR/impl-fn-parsing-ambiguities.rs:7:9 + | +LL | |x| x + | -- ^ returning this value requires that `'1` must outlive `'2` + | || + | |return type of closure is impl Debug + '2 + | has type `&'1 u8` + +error: aborting due to 4 previous errors diff --git a/tests/ui/impl-trait/impl_trait_projections.rs b/tests/ui/impl-trait/impl_trait_projections.rs index b3ff2ce5a7b..365ac85e2f6 100644 --- a/tests/ui/impl-trait/impl_trait_projections.rs +++ b/tests/ui/impl-trait/impl_trait_projections.rs @@ -15,7 +15,7 @@ fn projection_is_disallowed(x: impl Iterator) -> <impl Iterator>::Item { x.next().unwrap() } -fn projection_with_named_trait_is_disallowed(x: impl Iterator) +fn projection_with_named_trait_is_disallowed(mut x: impl Iterator) -> <impl Iterator as Iterator>::Item //~^ ERROR `impl Trait` is not allowed in path parameters { @@ -25,7 +25,9 @@ fn projection_with_named_trait_is_disallowed(x: impl Iterator) fn projection_with_named_trait_inside_path_is_disallowed() -> <::std::ops::Range<impl Debug> as Iterator>::Item //~^ ERROR `impl Trait` is not allowed in path parameters +//~| ERROR `impl Debug: Step` is not satisfied { + //~^ ERROR `impl Debug: Step` is not satisfied (1i32..100).next().unwrap() } diff --git a/tests/ui/impl-trait/impl_trait_projections.stderr b/tests/ui/impl-trait/impl_trait_projections.stderr index 4deb24731bc..700aff36aa5 100644 --- a/tests/ui/impl-trait/impl_trait_projections.stderr +++ b/tests/ui/impl-trait/impl_trait_projections.stderr @@ -17,7 +17,7 @@ LL | -> <::std::ops::Range<impl Debug> as Iterator>::Item | ^^^^^^^^^^ error[E0667]: `impl Trait` is not allowed in path parameters - --> $DIR/impl_trait_projections.rs:33:29 + --> $DIR/impl_trait_projections.rs:35:29 | LL | -> <dyn Iterator<Item = impl Debug> as Iterator>::Item | ^^^^^^^^^^ @@ -28,6 +28,46 @@ error[E0667]: `impl Trait` is not allowed in path parameters LL | fn projection_is_disallowed(x: impl Iterator) -> <impl Iterator>::Item { | ^^^^^^^^^^^^^ -error: aborting due to 5 previous errors +error[E0277]: the trait bound `impl Debug: Step` is not satisfied + --> $DIR/impl_trait_projections.rs:26:8 + | +LL | -> <::std::ops::Range<impl Debug> as Iterator>::Item + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Step` is not implemented for `impl Debug` + | + = help: the following other types implement trait `Step`: + char + isize + i8 + i16 + i32 + i64 + i128 + usize + and 8 others + = note: required for `std::ops::Range<impl Debug>` to implement `Iterator` + +error[E0277]: the trait bound `impl Debug: Step` is not satisfied + --> $DIR/impl_trait_projections.rs:29:1 + | +LL | / { +LL | | +LL | | (1i32..100).next().unwrap() +LL | | } + | |_^ the trait `Step` is not implemented for `impl Debug` + | + = help: the following other types implement trait `Step`: + char + isize + i8 + i16 + i32 + i64 + i128 + usize + and 8 others + = note: required for `std::ops::Range<impl Debug>` to implement `Iterator` + +error: aborting due to 7 previous errors -For more information about this error, try `rustc --explain E0667`. +Some errors have detailed explanations: E0277, E0667. +For more information about an error, try `rustc --explain E0277`. diff --git a/tests/ui/impl-trait/implicit-capture-late.stderr b/tests/ui/impl-trait/implicit-capture-late.stderr index 9b3a4ff5f42..2fb5ebb6541 100644 --- a/tests/ui/impl-trait/implicit-capture-late.stderr +++ b/tests/ui/impl-trait/implicit-capture-late.stderr @@ -4,6 +4,12 @@ error[E0657]: `impl Trait` can only capture lifetimes bound at the fn or impl le LL | fn foo(x: Vec<i32>) -> Box<dyn for<'a> Deref<Target = impl ?Sized>> { | ^^ -error: aborting due to 1 previous error +error: [o] + --> $DIR/implicit-capture-late.rs:10:55 + | +LL | fn foo(x: Vec<i32>) -> Box<dyn for<'a> Deref<Target = impl ?Sized>> { + | ^^^^^^^^^^^ + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0657`. diff --git a/tests/ui/impl-trait/issues/issue-67830.rs b/tests/ui/impl-trait/issues/issue-67830.rs index 92f7e005dbf..6dc8935c777 100644 --- a/tests/ui/impl-trait/issues/issue-67830.rs +++ b/tests/ui/impl-trait/issues/issue-67830.rs @@ -21,6 +21,8 @@ struct A; fn test() -> impl for<'a> MyFn<&'a A, Output=impl Iterator + 'a> { //~^ ERROR higher kinded lifetime bounds on nested opaque types are not supported yet Wrap(|a| Some(a).into_iter()) + //~^ ERROR implementation of `FnOnce` is not general enough + //~| ERROR implementation of `FnOnce` is not general enough } fn main() {} diff --git a/tests/ui/impl-trait/issues/issue-67830.stderr b/tests/ui/impl-trait/issues/issue-67830.stderr index 17cfa151a68..546198b8a10 100644 --- a/tests/ui/impl-trait/issues/issue-67830.stderr +++ b/tests/ui/impl-trait/issues/issue-67830.stderr @@ -10,5 +10,24 @@ note: lifetime declared here LL | fn test() -> impl for<'a> MyFn<&'a A, Output=impl Iterator + 'a> { | ^^ -error: aborting due to 1 previous error +error: implementation of `FnOnce` is not general enough + --> $DIR/issue-67830.rs:23:5 + | +LL | Wrap(|a| Some(a).into_iter()) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `FnOnce` is not general enough + | + = note: closure with signature `fn(&'2 A) -> std::option::IntoIter<&A>` must implement `FnOnce<(&'1 A,)>`, for any lifetime `'1`... + = note: ...but it actually implements `FnOnce<(&'2 A,)>`, for some specific lifetime `'2` + +error: implementation of `FnOnce` is not general enough + --> $DIR/issue-67830.rs:23:5 + | +LL | Wrap(|a| Some(a).into_iter()) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `FnOnce` is not general enough + | + = note: closure with signature `fn(&'2 A) -> std::option::IntoIter<&A>` must implement `FnOnce<(&'1 A,)>`, for any lifetime `'1`... + = note: ...but it actually implements `FnOnce<(&'2 A,)>`, for some specific lifetime `'2` + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 3 previous errors diff --git a/tests/ui/impl-trait/issues/issue-88236-2.rs b/tests/ui/impl-trait/issues/issue-88236-2.rs index fde8a6704cc..f4354d1b2ae 100644 --- a/tests/ui/impl-trait/issues/issue-88236-2.rs +++ b/tests/ui/impl-trait/issues/issue-88236-2.rs @@ -18,11 +18,16 @@ fn make_impl() -> impl for<'a> Hrtb<'a, Assoc = impl Send + 'a> {} fn make_weird_impl<'b>(x: &'b ()) -> impl for<'a> Hrtb<'a, Assoc = impl Send + 'a> { //~^ ERROR higher kinded lifetime bounds on nested opaque types are not supported yet &() + //~^ ERROR implementation of `Hrtb` is not general enough + //~| ERROR implementation of `Hrtb` is not general enough } fn make_bad_impl<'b>(x: &'b ()) -> impl for<'a> Hrtb<'a, Assoc = impl Send + 'a> { //~^ ERROR higher kinded lifetime bounds on nested opaque types are not supported yet x + //~^ ERROR implementation of `Hrtb` is not general enough + //~| ERROR implementation of `Hrtb` is not general enough + //~| ERROR lifetime may not live long enough } fn main() {} diff --git a/tests/ui/impl-trait/issues/issue-88236-2.stderr b/tests/ui/impl-trait/issues/issue-88236-2.stderr index 8605d07abe9..1e63338d6d1 100644 --- a/tests/ui/impl-trait/issues/issue-88236-2.stderr +++ b/tests/ui/impl-trait/issues/issue-88236-2.stderr @@ -23,16 +23,70 @@ LL | fn make_weird_impl<'b>(x: &'b ()) -> impl for<'a> Hrtb<'a, Assoc = impl Sen | ^^ error: higher kinded lifetime bounds on nested opaque types are not supported yet - --> $DIR/issue-88236-2.rs:23:78 + --> $DIR/issue-88236-2.rs:25:78 | LL | fn make_bad_impl<'b>(x: &'b ()) -> impl for<'a> Hrtb<'a, Assoc = impl Send + 'a> { | ^^ | note: lifetime declared here - --> $DIR/issue-88236-2.rs:23:45 + --> $DIR/issue-88236-2.rs:25:45 | LL | fn make_bad_impl<'b>(x: &'b ()) -> impl for<'a> Hrtb<'a, Assoc = impl Send + 'a> { | ^^ -error: aborting due to 3 previous errors +error: implementation of `Hrtb` is not general enough + --> $DIR/issue-88236-2.rs:20:5 + | +LL | &() + | ^^^ implementation of `Hrtb` is not general enough + | + = note: `Hrtb<'0>` would have to be implemented for the type `&()`, for any lifetime `'0`... + = note: ...but `Hrtb<'1>` is actually implemented for the type `&'1 ()`, for some specific lifetime `'1` + +error: implementation of `Hrtb` is not general enough + --> $DIR/issue-88236-2.rs:20:5 + | +LL | &() + | ^^^ implementation of `Hrtb` is not general enough + | + = note: `Hrtb<'a>` would have to be implemented for the type `&()` + = note: ...but `Hrtb<'0>` is actually implemented for the type `&'0 ()`, for some specific lifetime `'0` + +error: lifetime may not live long enough + --> $DIR/issue-88236-2.rs:27:5 + | +LL | fn make_bad_impl<'b>(x: &'b ()) -> impl for<'a> Hrtb<'a, Assoc = impl Send + 'a> { + | -- lifetime `'b` defined here +LL | +LL | x + | ^ returning this value requires that `'b` must outlive `'static` + | +help: to declare that `impl for<'a> Hrtb<'a, Assoc = impl Send + '_>` captures data from argument `x`, you can add an explicit `'b` lifetime bound + | +LL | fn make_bad_impl<'b>(x: &'b ()) -> impl for<'a> Hrtb<'a, Assoc = impl Send + 'a> + 'b { + | ++++ +help: to declare that `impl Send + 'a` captures data from argument `x`, you can add an explicit `'b` lifetime bound + | +LL | fn make_bad_impl<'b>(x: &'b ()) -> impl for<'a> Hrtb<'a, Assoc = impl Send + 'a + 'b> { + | ++++ + +error: implementation of `Hrtb` is not general enough + --> $DIR/issue-88236-2.rs:27:5 + | +LL | x + | ^ implementation of `Hrtb` is not general enough + | + = note: `Hrtb<'0>` would have to be implemented for the type `&()`, for any lifetime `'0`... + = note: ...but `Hrtb<'1>` is actually implemented for the type `&'1 ()`, for some specific lifetime `'1` + +error: implementation of `Hrtb` is not general enough + --> $DIR/issue-88236-2.rs:27:5 + | +LL | x + | ^ implementation of `Hrtb` is not general enough + | + = note: `Hrtb<'a>` would have to be implemented for the type `&()` + = note: ...but `Hrtb<'0>` is actually implemented for the type `&'0 ()`, for some specific lifetime `'0` + +error: aborting due to 8 previous errors diff --git a/tests/ui/impl-trait/issues/issue-92305.rs b/tests/ui/impl-trait/issues/issue-92305.rs index 4a89238d07e..e16199caaaa 100644 --- a/tests/ui/impl-trait/issues/issue-92305.rs +++ b/tests/ui/impl-trait/issues/issue-92305.rs @@ -5,6 +5,7 @@ use std::iter; fn f<T>(data: &[T]) -> impl Iterator<Item = Vec> { //~^ ERROR: missing generics for struct `Vec` [E0107] iter::empty() + //~^ ERROR: type annotations needed } fn g<T>(data: &[T], target: T) -> impl Iterator<Item = Vec<T>> { diff --git a/tests/ui/impl-trait/issues/issue-92305.stderr b/tests/ui/impl-trait/issues/issue-92305.stderr index 88fb1fb2707..55e966bd7bf 100644 --- a/tests/ui/impl-trait/issues/issue-92305.stderr +++ b/tests/ui/impl-trait/issues/issue-92305.stderr @@ -9,6 +9,18 @@ help: add missing generic argument LL | fn f<T>(data: &[T]) -> impl Iterator<Item = Vec<T>> { | +++ -error: aborting due to 1 previous error +error[E0282]: type annotations needed + --> $DIR/issue-92305.rs:7:5 + | +LL | iter::empty() + | ^^^^^^^^^^^ cannot infer type of the type parameter `T` declared on the function `empty` + | +help: consider specifying the generic argument + | +LL | iter::empty::<T>() + | +++++ + +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0107`. +Some errors have detailed explanations: E0107, E0282. +For more information about an error, try `rustc --explain E0107`. diff --git a/tests/ui/impl-trait/nested-rpit-hrtb.rs b/tests/ui/impl-trait/nested-rpit-hrtb.rs index a5db10d3a22..a3eca741daa 100644 --- a/tests/ui/impl-trait/nested-rpit-hrtb.rs +++ b/tests/ui/impl-trait/nested-rpit-hrtb.rs @@ -31,9 +31,11 @@ fn one_hrtb_trait_param() -> impl for<'a> Foo<'a, Assoc = impl Qux<'a>> {} fn one_hrtb_outlives_uses() -> impl for<'a> Bar<'a, Assoc = impl Sized + 'a> {} //~^ ERROR higher kinded lifetime bounds on nested opaque types are not supported yet +//~| ERROR implementation of `Bar` is not general enough fn one_hrtb_trait_param_uses() -> impl for<'a> Bar<'a, Assoc = impl Qux<'a>> {} //~^ ERROR higher kinded lifetime bounds on nested opaque types are not supported yet +//~| ERROR: the trait bound `for<'a> &'a (): Qux<'_>` is not satisfied // This should resolve. fn one_hrtb_mention_fn_trait_param<'b>() -> impl for<'a> Foo<'a, Assoc = impl Qux<'b>> {} @@ -43,9 +45,11 @@ fn one_hrtb_mention_fn_outlives<'b>() -> impl for<'a> Foo<'a, Assoc = impl Sized // This should resolve. fn one_hrtb_mention_fn_trait_param_uses<'b>() -> impl for<'a> Bar<'a, Assoc = impl Qux<'b>> {} +//~^ ERROR: the trait bound `for<'a> &'a (): Qux<'b>` is not satisfied // This should resolve. fn one_hrtb_mention_fn_outlives_uses<'b>() -> impl for<'a> Bar<'a, Assoc = impl Sized + 'b> {} +//~^ ERROR implementation of `Bar` is not general enough // This should resolve. fn two_htrb_trait_param() -> impl for<'a> Foo<'a, Assoc = impl for<'b> Qux<'b>> {} @@ -56,9 +60,11 @@ fn two_htrb_outlives() -> impl for<'a> Foo<'a, Assoc = impl for<'b> Sized + 'b> // This should resolve. fn two_htrb_trait_param_uses() -> impl for<'a> Bar<'a, Assoc = impl for<'b> Qux<'b>> {} +//~^ ERROR: the trait bound `for<'a, 'b> &'a (): Qux<'b>` is not satisfied // `'b` is not in scope for the outlives bound. fn two_htrb_outlives_uses() -> impl for<'a> Bar<'a, Assoc = impl for<'b> Sized + 'b> {} //~^ ERROR use of undeclared lifetime name `'b` [E0261] +//~| ERROR implementation of `Bar` is not general enough fn main() {} diff --git a/tests/ui/impl-trait/nested-rpit-hrtb.stderr b/tests/ui/impl-trait/nested-rpit-hrtb.stderr index 3dbe6ebadfb..0e0f76874e3 100644 --- a/tests/ui/impl-trait/nested-rpit-hrtb.stderr +++ b/tests/ui/impl-trait/nested-rpit-hrtb.stderr @@ -1,5 +1,5 @@ error[E0261]: use of undeclared lifetime name `'b` - --> $DIR/nested-rpit-hrtb.rs:54:77 + --> $DIR/nested-rpit-hrtb.rs:58:77 | LL | fn two_htrb_outlives() -> impl for<'a> Foo<'a, Assoc = impl for<'b> Sized + 'b> {} | ^^ undeclared lifetime @@ -15,7 +15,7 @@ LL | fn two_htrb_outlives<'b>() -> impl for<'a> Foo<'a, Assoc = impl for<'b> Siz | ++++ error[E0261]: use of undeclared lifetime name `'b` - --> $DIR/nested-rpit-hrtb.rs:61:82 + --> $DIR/nested-rpit-hrtb.rs:66:82 | LL | fn two_htrb_outlives_uses() -> impl for<'a> Bar<'a, Assoc = impl for<'b> Sized + 'b> {} | ^^ undeclared lifetime @@ -66,17 +66,72 @@ LL | fn one_hrtb_outlives_uses() -> impl for<'a> Bar<'a, Assoc = impl Sized + 'a | ^^ error: higher kinded lifetime bounds on nested opaque types are not supported yet - --> $DIR/nested-rpit-hrtb.rs:35:73 + --> $DIR/nested-rpit-hrtb.rs:36:73 | LL | fn one_hrtb_trait_param_uses() -> impl for<'a> Bar<'a, Assoc = impl Qux<'a>> {} | ^^ | note: lifetime declared here - --> $DIR/nested-rpit-hrtb.rs:35:44 + --> $DIR/nested-rpit-hrtb.rs:36:44 | LL | fn one_hrtb_trait_param_uses() -> impl for<'a> Bar<'a, Assoc = impl Qux<'a>> {} | ^^ -error: aborting due to 6 previous errors +error: implementation of `Bar` is not general enough + --> $DIR/nested-rpit-hrtb.rs:32:78 + | +LL | fn one_hrtb_outlives_uses() -> impl for<'a> Bar<'a, Assoc = impl Sized + 'a> {} + | ^^ implementation of `Bar` is not general enough + | + = note: `()` must implement `Bar<'a>` + = note: ...but it actually implements `Bar<'0>`, for some specific lifetime `'0` + +error[E0277]: the trait bound `for<'a> &'a (): Qux<'_>` is not satisfied + --> $DIR/nested-rpit-hrtb.rs:36:64 + | +LL | fn one_hrtb_trait_param_uses() -> impl for<'a> Bar<'a, Assoc = impl Qux<'a>> {} + | ^^^^^^^^^^^^ the trait `for<'a> Qux<'_>` is not implemented for `&'a ()` + | + = help: the trait `Qux<'_>` is implemented for `()` + = help: for that trait implementation, expected `()`, found `&'a ()` + +error[E0277]: the trait bound `for<'a> &'a (): Qux<'b>` is not satisfied + --> $DIR/nested-rpit-hrtb.rs:47:79 + | +LL | fn one_hrtb_mention_fn_trait_param_uses<'b>() -> impl for<'a> Bar<'a, Assoc = impl Qux<'b>> {} + | ^^^^^^^^^^^^ the trait `for<'a> Qux<'b>` is not implemented for `&'a ()` + | + = help: the trait `Qux<'_>` is implemented for `()` + = help: for that trait implementation, expected `()`, found `&'a ()` + +error: implementation of `Bar` is not general enough + --> $DIR/nested-rpit-hrtb.rs:51:93 + | +LL | fn one_hrtb_mention_fn_outlives_uses<'b>() -> impl for<'a> Bar<'a, Assoc = impl Sized + 'b> {} + | ^^ implementation of `Bar` is not general enough + | + = note: `()` must implement `Bar<'a>` + = note: ...but it actually implements `Bar<'0>`, for some specific lifetime `'0` + +error[E0277]: the trait bound `for<'a, 'b> &'a (): Qux<'b>` is not satisfied + --> $DIR/nested-rpit-hrtb.rs:62:64 + | +LL | fn two_htrb_trait_param_uses() -> impl for<'a> Bar<'a, Assoc = impl for<'b> Qux<'b>> {} + | ^^^^^^^^^^^^^^^^^^^^ the trait `for<'a, 'b> Qux<'b>` is not implemented for `&'a ()` + | + = help: the trait `Qux<'_>` is implemented for `()` + = help: for that trait implementation, expected `()`, found `&'a ()` + +error: implementation of `Bar` is not general enough + --> $DIR/nested-rpit-hrtb.rs:66:86 + | +LL | fn two_htrb_outlives_uses() -> impl for<'a> Bar<'a, Assoc = impl for<'b> Sized + 'b> {} + | ^^ implementation of `Bar` is not general enough + | + = note: `()` must implement `Bar<'a>` + = note: ...but it actually implements `Bar<'0>`, for some specific lifetime `'0` + +error: aborting due to 12 previous errors -For more information about this error, try `rustc --explain E0261`. +Some errors have detailed explanations: E0261, E0277. +For more information about an error, try `rustc --explain E0261`. diff --git a/tests/ui/intrinsics/safe-intrinsic-mismatch.rs b/tests/ui/intrinsics/safe-intrinsic-mismatch.rs index 50e12eaeb5c..b0688e530ae 100644 --- a/tests/ui/intrinsics/safe-intrinsic-mismatch.rs +++ b/tests/ui/intrinsics/safe-intrinsic-mismatch.rs @@ -3,9 +3,11 @@ extern "rust-intrinsic" { fn size_of<T>() -> usize; //~ ERROR intrinsic safety mismatch + //~^ ERROR intrinsic safety mismatch #[rustc_safe_intrinsic] fn assume(b: bool); //~ ERROR intrinsic safety mismatch + //~^ ERROR intrinsic safety mismatch } fn main() {} diff --git a/tests/ui/intrinsics/safe-intrinsic-mismatch.stderr b/tests/ui/intrinsics/safe-intrinsic-mismatch.stderr index 0c2f3be491d..b6961275e18 100644 --- a/tests/ui/intrinsics/safe-intrinsic-mismatch.stderr +++ b/tests/ui/intrinsics/safe-intrinsic-mismatch.stderr @@ -5,10 +5,26 @@ LL | fn size_of<T>() -> usize; | ^^^^^^^^^^^^^^^^^^^^^^^^ error: intrinsic safety mismatch between list of intrinsics within the compiler and core library intrinsics for intrinsic `assume` - --> $DIR/safe-intrinsic-mismatch.rs:8:5 + --> $DIR/safe-intrinsic-mismatch.rs:9:5 | LL | fn assume(b: bool); | ^^^^^^^^^^^^^^^^^^ -error: aborting due to 2 previous errors +error: intrinsic safety mismatch between list of intrinsics within the compiler and core library intrinsics for intrinsic `size_of` + --> $DIR/safe-intrinsic-mismatch.rs:5:5 + | +LL | fn size_of<T>() -> usize; + | ^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: intrinsic safety mismatch between list of intrinsics within the compiler and core library intrinsics for intrinsic `assume` + --> $DIR/safe-intrinsic-mismatch.rs:9:5 + | +LL | fn assume(b: bool); + | ^^^^^^^^^^^^^^^^^^ + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 4 previous errors diff --git a/tests/ui/issues/issue-31910.rs b/tests/ui/issues/issue-31910.rs index e0655d3f6db..19cfc4627c7 100644 --- a/tests/ui/issues/issue-31910.rs +++ b/tests/ui/issues/issue-31910.rs @@ -1,4 +1,5 @@ enum Enum<T: Trait> { + //~^ ERROR: `T` is never used X = Trait::Number, //~^ ERROR mismatched types //~| expected `isize`, found `i32` diff --git a/tests/ui/issues/issue-31910.stderr b/tests/ui/issues/issue-31910.stderr index 6ef84d7daef..89a6d5574a1 100644 --- a/tests/ui/issues/issue-31910.stderr +++ b/tests/ui/issues/issue-31910.stderr @@ -1,9 +1,18 @@ error[E0308]: mismatched types - --> $DIR/issue-31910.rs:2:9 + --> $DIR/issue-31910.rs:3:9 | LL | X = Trait::Number, | ^^^^^^^^^^^^^ expected `isize`, found `i32` -error: aborting due to 1 previous error +error[E0392]: parameter `T` is never used + --> $DIR/issue-31910.rs:1:11 + | +LL | enum Enum<T: Trait> { + | ^ unused parameter + | + = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData` + +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0308`. +Some errors have detailed explanations: E0308, E0392. +For more information about an error, try `rustc --explain E0308`. diff --git a/tests/ui/issues/issue-3214.rs b/tests/ui/issues/issue-3214.rs index b2c27f5be95..03d8d6ba246 100644 --- a/tests/ui/issues/issue-3214.rs +++ b/tests/ui/issues/issue-3214.rs @@ -5,6 +5,7 @@ fn foo<T>() { impl<T> Drop for Foo<T> { //~^ ERROR struct takes 0 generic arguments but 1 generic argument + //~| ERROR `T` is not constrained fn drop(&mut self) {} } } diff --git a/tests/ui/issues/issue-3214.stderr b/tests/ui/issues/issue-3214.stderr index 5b57c1baf90..26ac6d39f60 100644 --- a/tests/ui/issues/issue-3214.stderr +++ b/tests/ui/issues/issue-3214.stderr @@ -22,7 +22,13 @@ note: struct defined here, with 0 generic parameters LL | struct Foo { | ^^^ -error: aborting due to 2 previous errors +error[E0207]: the type parameter `T` is not constrained by the impl trait, self type, or predicates + --> $DIR/issue-3214.rs:6:10 + | +LL | impl<T> Drop for Foo<T> { + | ^ unconstrained type parameter + +error: aborting due to 3 previous errors -Some errors have detailed explanations: E0107, E0401. +Some errors have detailed explanations: E0107, E0207, E0401. For more information about an error, try `rustc --explain E0107`. diff --git a/tests/ui/issues/issue-34373.rs b/tests/ui/issues/issue-34373.rs index ca24e37d9bb..dc20c5589b3 100644 --- a/tests/ui/issues/issue-34373.rs +++ b/tests/ui/issues/issue-34373.rs @@ -5,6 +5,8 @@ trait Trait<T> { } pub struct Foo<T = Box<Trait<DefaultFoo>>>; //~ ERROR cycle detected +//~^ ERROR `T` is never used +//~| ERROR `Trait` cannot be made into an object type DefaultFoo = Foo; fn main() { diff --git a/tests/ui/issues/issue-34373.stderr b/tests/ui/issues/issue-34373.stderr index c6906734b2d..1a1cfc925b7 100644 --- a/tests/ui/issues/issue-34373.stderr +++ b/tests/ui/issues/issue-34373.stderr @@ -5,7 +5,7 @@ LL | pub struct Foo<T = Box<Trait<DefaultFoo>>>; | ^^^^^^^^^^ | note: ...which requires expanding type alias `DefaultFoo`... - --> $DIR/issue-34373.rs:8:19 + --> $DIR/issue-34373.rs:10:19 | LL | type DefaultFoo = Foo; | ^^^ @@ -23,6 +23,38 @@ LL | | } | |_^ = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information -error: aborting due to 1 previous error +error[E0038]: the trait `Trait` cannot be made into an object + --> $DIR/issue-34373.rs:7:24 + | +LL | pub struct Foo<T = Box<Trait<DefaultFoo>>>; + | ^^^^^^^^^^^^^^^^^ `Trait` cannot be made into an object + | +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> + --> $DIR/issue-34373.rs:4:8 + | +LL | trait Trait<T> { + | ----- this trait cannot be made into an object... +LL | fn foo(_: T) {} + | ^^^ ...because associated function `foo` has no `self` parameter +help: consider turning `foo` into a method by giving it a `&self` argument + | +LL | fn foo(&self, _: T) {} + | ++++++ +help: alternatively, consider constraining `foo` so it does not apply to trait objects + | +LL | fn foo(_: T) where Self: Sized {} + | +++++++++++++++++ + +error[E0392]: parameter `T` is never used + --> $DIR/issue-34373.rs:7:16 + | +LL | pub struct Foo<T = Box<Trait<DefaultFoo>>>; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ unused parameter + | + = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData` + = help: if you intended `T` to be a const parameter, use `const T: usize` instead + +error: aborting due to 3 previous errors -For more information about this error, try `rustc --explain E0391`. +Some errors have detailed explanations: E0038, E0391, E0392. +For more information about an error, try `rustc --explain E0038`. diff --git a/tests/ui/lang-items/lang-item-generic-requirements.rs b/tests/ui/lang-items/lang-item-generic-requirements.rs index 21bd7187e15..697790023d6 100644 --- a/tests/ui/lang-items/lang-item-generic-requirements.rs +++ b/tests/ui/lang-items/lang-item-generic-requirements.rs @@ -22,8 +22,8 @@ trait MyIndex<'a, T> {} #[lang = "phantom_data"] //~^ ERROR `phantom_data` language item must be applied to a struct with 1 generic argument struct MyPhantomData<T, U>; -//~^ ERROR parameter `T` is never used -//~| ERROR parameter `U` is never used +//~^ ERROR `T` is never used +//~| ERROR `U` is never used #[lang = "owned_box"] //~^ ERROR `owned_box` language item must be applied to a struct with at least 1 generic argument @@ -41,8 +41,7 @@ fn ice() { // Use add let r = 5; let a = 6; - r + a; - //~^ ERROR cannot add `{integer}` to `{integer}` + r + a; //~ ERROR cannot add // Use drop in place my_ptr_drop(); diff --git a/tests/ui/lang-items/required-lang-item.rs b/tests/ui/lang-items/required-lang-item.rs index 3b17c5b7255..7f8933ac2ad 100644 --- a/tests/ui/lang-items/required-lang-item.rs +++ b/tests/ui/lang-items/required-lang-item.rs @@ -1,11 +1,10 @@ -// build-fail +// edition: 2018 #![feature(lang_items, no_core)] #![no_core] +#![no_main] #[lang="copy"] pub trait Copy { } #[lang="sized"] pub trait Sized { } -// error-pattern:requires `start` lang_item - -fn main() {} +async fn x() {} //~ ERROR requires `ResumeTy` lang_item diff --git a/tests/ui/lang-items/required-lang-item.stderr b/tests/ui/lang-items/required-lang-item.stderr index bb53d336bb2..13c07ee6529 100644 --- a/tests/ui/lang-items/required-lang-item.stderr +++ b/tests/ui/lang-items/required-lang-item.stderr @@ -1,4 +1,8 @@ -error: requires `start` lang_item +error: requires `ResumeTy` lang_item + --> $DIR/required-lang-item.rs:10:14 + | +LL | async fn x() {} + | ^^ error: aborting due to 1 previous error diff --git a/tests/ui/lifetimes/issue-95023.rs b/tests/ui/lifetimes/issue-95023.rs index 3fba8c00c57..e35f1a36e2a 100644 --- a/tests/ui/lifetimes/issue-95023.rs +++ b/tests/ui/lifetimes/issue-95023.rs @@ -3,7 +3,9 @@ struct Error(ErrorKind); impl Fn(&isize) for Error { //~^ ERROR manual implementations of `Fn` are experimental [E0183] //~^^ ERROR associated type bindings are not allowed here [E0229] - fn foo<const N: usize>(&self) -> Self::B<{N}>; + //~| ERROR not all trait items implemented + //~| ERROR expected a `FnMut(&isize)` closure, found `Error` + fn foo<const N: usize>(&self) -> Self::B<{ N }>; //~^ ERROR associated function in `impl` without body //~^^ ERROR method `foo` is not a member of trait `Fn` [E0407] //~^^^ ERROR associated type `B` not found for `Self` [E0220] diff --git a/tests/ui/lifetimes/issue-95023.stderr b/tests/ui/lifetimes/issue-95023.stderr index 6361d8ad30b..b9c95d3e49a 100644 --- a/tests/ui/lifetimes/issue-95023.stderr +++ b/tests/ui/lifetimes/issue-95023.stderr @@ -1,16 +1,16 @@ error: associated function in `impl` without body - --> $DIR/issue-95023.rs:6:5 + --> $DIR/issue-95023.rs:8:5 | -LL | fn foo<const N: usize>(&self) -> Self::B<{N}>; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- - | | - | help: provide a definition for the function: `{ <body> }` +LL | fn foo<const N: usize>(&self) -> Self::B<{ N }>; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- + | | + | help: provide a definition for the function: `{ <body> }` error[E0407]: method `foo` is not a member of trait `Fn` - --> $DIR/issue-95023.rs:6:5 + --> $DIR/issue-95023.rs:8:5 | -LL | fn foo<const N: usize>(&self) -> Self::B<{N}>; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not a member of trait `Fn` +LL | fn foo<const N: usize>(&self) -> Self::B<{ N }>; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not a member of trait `Fn` error[E0183]: manual implementations of `Fn` are experimental --> $DIR/issue-95023.rs:3:6 @@ -33,12 +33,30 @@ LL | impl Fn(&isize) for Error { | ^^^^^^^^^^ error[E0220]: associated type `B` not found for `Self` - --> $DIR/issue-95023.rs:6:44 + --> $DIR/issue-95023.rs:8:44 | -LL | fn foo<const N: usize>(&self) -> Self::B<{N}>; +LL | fn foo<const N: usize>(&self) -> Self::B<{ N }>; | ^ help: `Self` has the following associated type: `Output` -error: aborting due to 5 previous errors +error[E0277]: expected a `FnMut(&isize)` closure, found `Error` + --> $DIR/issue-95023.rs:3:21 + | +LL | impl Fn(&isize) for Error { + | ^^^^^ expected an `FnMut(&isize)` closure, found `Error` + | + = help: the trait `FnMut<(&isize,)>` is not implemented for `Error` +note: required by a bound in `Fn` + --> $SRC_DIR/core/src/ops/function.rs:LL:COL + +error[E0046]: not all trait items implemented, missing: `call` + --> $DIR/issue-95023.rs:3:1 + | +LL | impl Fn(&isize) for Error { + | ^^^^^^^^^^^^^^^^^^^^^^^^^ missing `call` in implementation + | + = help: implement the missing item: `fn call(&self, _: (&isize,)) -> <Self as FnOnce<(&isize,)>>::Output { todo!() }` + +error: aborting due to 7 previous errors -Some errors have detailed explanations: E0183, E0220, E0229, E0407. -For more information about an error, try `rustc --explain E0183`. +Some errors have detailed explanations: E0046, E0183, E0220, E0229, E0277, E0407. +For more information about an error, try `rustc --explain E0046`. diff --git a/tests/ui/lifetimes/missing-lifetime-in-alias.rs b/tests/ui/lifetimes/missing-lifetime-in-alias.rs index 51c564c011a..a0887b36b8a 100644 --- a/tests/ui/lifetimes/missing-lifetime-in-alias.rs +++ b/tests/ui/lifetimes/missing-lifetime-in-alias.rs @@ -4,6 +4,7 @@ trait Trait<'a> { type Bar<'b> //~^ NOTE associated type defined here, with 1 lifetime parameter //~| NOTE + //~| NOTE where Self: 'b; } @@ -13,6 +14,8 @@ struct Impl<'a>(&'a ()); impl<'a> Trait<'a> for Impl<'a> { type Foo = &'a (); type Bar<'b> = &'b (); + //~^ ERROR: does not fulfill the required lifetime + //~| NOTE: type must outlive the lifetime `'b` } type A<'a> = Impl<'a>; diff --git a/tests/ui/lifetimes/missing-lifetime-in-alias.stderr b/tests/ui/lifetimes/missing-lifetime-in-alias.stderr index 20159e14407..9183e6302ee 100644 --- a/tests/ui/lifetimes/missing-lifetime-in-alias.stderr +++ b/tests/ui/lifetimes/missing-lifetime-in-alias.stderr @@ -1,5 +1,5 @@ error[E0106]: missing lifetime specifier - --> $DIR/missing-lifetime-in-alias.rs:20:24 + --> $DIR/missing-lifetime-in-alias.rs:23:24 | LL | type B<'a> = <A<'a> as Trait>::Foo; | ^^^^^ expected named lifetime parameter @@ -10,13 +10,13 @@ LL | type B<'a> = <A<'a> as Trait<'a>>::Foo; | ++++ error[E0106]: missing lifetime specifier - --> $DIR/missing-lifetime-in-alias.rs:24:28 + --> $DIR/missing-lifetime-in-alias.rs:27:28 | LL | type C<'a, 'b> = <A<'a> as Trait>::Bar; | ^^^^^ expected named lifetime parameter | note: these named lifetimes are available to use - --> $DIR/missing-lifetime-in-alias.rs:24:8 + --> $DIR/missing-lifetime-in-alias.rs:27:8 | LL | type C<'a, 'b> = <A<'a> as Trait>::Bar; | ^^ ^^ @@ -26,7 +26,7 @@ LL | type C<'a, 'b> = <A<'a> as Trait<'lifetime>>::Bar; | +++++++++++ error[E0107]: missing generics for associated type `Trait::Bar` - --> $DIR/missing-lifetime-in-alias.rs:24:36 + --> $DIR/missing-lifetime-in-alias.rs:27:36 | LL | type C<'a, 'b> = <A<'a> as Trait>::Bar; | ^^^ expected 1 lifetime argument @@ -41,7 +41,26 @@ help: add missing lifetime argument LL | type C<'a, 'b> = <A<'a> as Trait>::Bar<'a>; | ++++ -error: aborting due to 3 previous errors +error[E0477]: the type `Impl<'a>` does not fulfill the required lifetime + --> $DIR/missing-lifetime-in-alias.rs:16:20 + | +LL | type Bar<'b> + | ------------ definition of `Bar` from trait +... +LL | type Bar<'b> = &'b (); + | ^^^^^^ + | +note: type must outlive the lifetime `'b` as defined here + --> $DIR/missing-lifetime-in-alias.rs:16:14 + | +LL | type Bar<'b> = &'b (); + | ^^ +help: copy the `where` clause predicates from the trait + | +LL | type Bar<'b> = &'b () where Self: 'b; + | ++++++++++++++ + +error: aborting due to 4 previous errors -Some errors have detailed explanations: E0106, E0107. +Some errors have detailed explanations: E0106, E0107, E0477. For more information about an error, try `rustc --explain E0106`. diff --git a/tests/ui/no_std/no-std-no-start-binary.rs b/tests/ui/no_std/no-std-no-start-binary.rs new file mode 100644 index 00000000000..ce1c871f6a6 --- /dev/null +++ b/tests/ui/no_std/no-std-no-start-binary.rs @@ -0,0 +1,13 @@ +// compile-flags: -Cpanic=abort --emit link +// error-pattern:using `fn main` requires the standard library + +// Make sure that we don't emit an error message mentioning internal lang items. + +#![no_std] + +#[panic_handler] +fn handler(_info: &core::panic::PanicInfo<'_>) -> ! { + loop {} +} + +fn main() {} diff --git a/tests/ui/no_std/no-std-no-start-binary.stderr b/tests/ui/no_std/no-std-no-start-binary.stderr new file mode 100644 index 00000000000..dd06c234da2 --- /dev/null +++ b/tests/ui/no_std/no-std-no-start-binary.stderr @@ -0,0 +1,6 @@ +error: using `fn main` requires the standard library + | + = help: use `#![no_main]` to bypass the Rust generated entrypoint and declare a platform specific entrypoint yourself, usually with `#[no_mangle]` + +error: aborting due to 1 previous error + diff --git a/tests/ui/no_std/no-std-unwind-binary.rs b/tests/ui/no_std/no-std-unwind-binary.rs new file mode 100644 index 00000000000..7a9dfd7a48d --- /dev/null +++ b/tests/ui/no_std/no-std-unwind-binary.rs @@ -0,0 +1,15 @@ +// error-pattern:unwinding panics are not supported without std +// needs-unwind +// compile-flags: -Cpanic=unwind + +// Make sure that we don't emit an error message mentioning internal lang items. + +#![no_std] +#![no_main] + +#[panic_handler] +fn handler(_info: &core::panic::PanicInfo<'_>) -> ! { + loop {} +} + +fn main() {} diff --git a/tests/ui/no_std/no-std-unwind-binary.stderr b/tests/ui/no_std/no-std-unwind-binary.stderr new file mode 100644 index 00000000000..a3b54fe33ab --- /dev/null +++ b/tests/ui/no_std/no-std-unwind-binary.stderr @@ -0,0 +1,7 @@ +error: unwinding panics are not supported without std + | + = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding + = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem + +error: aborting due to 1 previous error + diff --git a/tests/ui/object-lifetime/object-lifetime-default-dyn-binding-nonstatic3.rs b/tests/ui/object-lifetime/object-lifetime-default-dyn-binding-nonstatic3.rs index 51be999a632..345c8a25f79 100644 --- a/tests/ui/object-lifetime/object-lifetime-default-dyn-binding-nonstatic3.rs +++ b/tests/ui/object-lifetime/object-lifetime-default-dyn-binding-nonstatic3.rs @@ -15,6 +15,7 @@ fn is_static<T>(_: T) where T: 'static { } // code forces us into a conservative, hacky path. fn bar(x: &str) -> &dyn Foo<Item = dyn Bar> { &() } //~^ ERROR please supply an explicit bound +//~| ERROR `(): Foo<'_>` is not satisfied fn main() { let s = format!("foo"); diff --git a/tests/ui/object-lifetime/object-lifetime-default-dyn-binding-nonstatic3.stderr b/tests/ui/object-lifetime/object-lifetime-default-dyn-binding-nonstatic3.stderr index 688f8af0822..d227c8778fe 100644 --- a/tests/ui/object-lifetime/object-lifetime-default-dyn-binding-nonstatic3.stderr +++ b/tests/ui/object-lifetime/object-lifetime-default-dyn-binding-nonstatic3.stderr @@ -4,6 +4,20 @@ error[E0228]: the lifetime bound for this object type cannot be deduced from con LL | fn bar(x: &str) -> &dyn Foo<Item = dyn Bar> { &() } | ^^^^^^^ -error: aborting due to 1 previous error +error[E0277]: the trait bound `(): Foo<'_>` is not satisfied + --> $DIR/object-lifetime-default-dyn-binding-nonstatic3.rs:16:47 + | +LL | fn bar(x: &str) -> &dyn Foo<Item = dyn Bar> { &() } + | ^^^ the trait `Foo<'_>` is not implemented for `()` + | +help: this trait has no implementations, consider adding one + --> $DIR/object-lifetime-default-dyn-binding-nonstatic3.rs:4:1 + | +LL | trait Foo<'a> { + | ^^^^^^^^^^^^^ + = note: required for the cast from `&()` to `&dyn Foo<'_, Item = dyn Bar>` + +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0228`. +Some errors have detailed explanations: E0228, E0277. +For more information about an error, try `rustc --explain E0228`. diff --git a/tests/ui/object-safety/object-safety-supertrait-mentions-Self.rs b/tests/ui/object-safety/object-safety-supertrait-mentions-Self.rs index 2445b33c814..d96c7ba72a3 100644 --- a/tests/ui/object-safety/object-safety-supertrait-mentions-Self.rs +++ b/tests/ui/object-safety/object-safety-supertrait-mentions-Self.rs @@ -6,6 +6,7 @@ trait Bar<T> { } trait Baz : Bar<Self> { + //~^ ERROR the size for values of type `Self` cannot be known } fn make_bar<T:Bar<u32>>(t: &T) -> &dyn Bar<u32> { diff --git a/tests/ui/object-safety/object-safety-supertrait-mentions-Self.stderr b/tests/ui/object-safety/object-safety-supertrait-mentions-Self.stderr index fc476691d01..22adc19c802 100644 --- a/tests/ui/object-safety/object-safety-supertrait-mentions-Self.stderr +++ b/tests/ui/object-safety/object-safety-supertrait-mentions-Self.stderr @@ -1,5 +1,5 @@ error[E0038]: the trait `Baz` cannot be made into an object - --> $DIR/object-safety-supertrait-mentions-Self.rs:15:31 + --> $DIR/object-safety-supertrait-mentions-Self.rs:16:31 | LL | fn make_baz<T:Baz>(t: &T) -> &dyn Baz { | ^^^^^^^ `Baz` cannot be made into an object @@ -16,6 +16,27 @@ help: consider using an opaque type instead LL | fn make_baz<T:Baz>(t: &T) -> &impl Baz { | ~~~~ -error: aborting due to 1 previous error +error[E0277]: the size for values of type `Self` cannot be known at compilation time + --> $DIR/object-safety-supertrait-mentions-Self.rs:8:13 + | +LL | trait Baz : Bar<Self> { + | ^^^^^^^^^ doesn't have a size known at compile-time + | +note: required by a bound in `Bar` + --> $DIR/object-safety-supertrait-mentions-Self.rs:4:11 + | +LL | trait Bar<T> { + | ^ required by this bound in `Bar` +help: consider further restricting `Self` + | +LL | trait Baz : Bar<Self> + Sized { + | +++++++ +help: consider relaxing the implicit `Sized` restriction + | +LL | trait Bar<T: ?Sized> { + | ++++++++ + +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0038`. +Some errors have detailed explanations: E0038, E0277. +For more information about an error, try `rustc --explain E0038`. diff --git a/tests/ui/panic-handler/weak-lang-item.rs b/tests/ui/panic-handler/weak-lang-item.rs index 14a07a9ef1b..296a2c1514f 100644 --- a/tests/ui/panic-handler/weak-lang-item.rs +++ b/tests/ui/panic-handler/weak-lang-item.rs @@ -1,6 +1,6 @@ // aux-build:weak-lang-items.rs // error-pattern: `#[panic_handler]` function required, but not found -// error-pattern: language item required, but not found: `eh_personality` +// error-pattern: unwinding panics are not supported without std // needs-unwind since it affects the error output // ignore-emscripten missing eh_catch_typeinfo lang item diff --git a/tests/ui/panic-handler/weak-lang-item.stderr b/tests/ui/panic-handler/weak-lang-item.stderr index 202f3309d03..de351d2c3e4 100644 --- a/tests/ui/panic-handler/weak-lang-item.stderr +++ b/tests/ui/panic-handler/weak-lang-item.stderr @@ -12,10 +12,10 @@ LL | extern crate core as other_core; error: `#[panic_handler]` function required, but not found -error: language item required, but not found: `eh_personality` +error: unwinding panics are not supported without std | - = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library - = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config` + = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding + = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem error: aborting due to 3 previous errors diff --git a/tests/ui/parser/impl-item-type-no-body-semantic-fail.rs b/tests/ui/parser/impl-item-type-no-body-semantic-fail.rs index 1291a021bef..5582e82d11d 100644 --- a/tests/ui/parser/impl-item-type-no-body-semantic-fail.rs +++ b/tests/ui/parser/impl-item-type-no-body-semantic-fail.rs @@ -17,4 +17,5 @@ impl X { type W where Self: Eq; //~^ ERROR associated type in `impl` without body //~| ERROR inherent associated types are unstable + //~| ERROR duplicate definitions } diff --git a/tests/ui/parser/impl-item-type-no-body-semantic-fail.stderr b/tests/ui/parser/impl-item-type-no-body-semantic-fail.stderr index 3856754e080..5bcbbb9deb7 100644 --- a/tests/ui/parser/impl-item-type-no-body-semantic-fail.stderr +++ b/tests/ui/parser/impl-item-type-no-body-semantic-fail.stderr @@ -78,6 +78,16 @@ LL | type W where Self: Eq; = note: see issue #8995 <https://github.com/rust-lang/rust/issues/8995> for more information = help: add `#![feature(inherent_associated_types)]` to the crate attributes to enable -error: aborting due to 10 previous errors +error[E0592]: duplicate definitions with name `W` + --> $DIR/impl-item-type-no-body-semantic-fail.rs:17:5 + | +LL | type W: Ord where Self: Eq; + | ------ other definition for `W` +... +LL | type W where Self: Eq; + | ^^^^^^ duplicate definitions for `W` + +error: aborting due to 11 previous errors -For more information about this error, try `rustc --explain E0658`. +Some errors have detailed explanations: E0592, E0658. +For more information about an error, try `rustc --explain E0592`. diff --git a/tests/ui/parser/issues/issue-73568-lifetime-after-mut.rs b/tests/ui/parser/issues/issue-73568-lifetime-after-mut.rs index 5f731f8db77..cf754a6854e 100644 --- a/tests/ui/parser/issues/issue-73568-lifetime-after-mut.rs +++ b/tests/ui/parser/issues/issue-73568-lifetime-after-mut.rs @@ -16,4 +16,5 @@ fn y<'a>(y: &mut 'a + Send) { //~| ERROR at least one trait is required for an object type let z = y as &mut 'a + Send; //~^ ERROR expected value, found trait `Send` + //~| ERROR at least one trait is required for an object type } diff --git a/tests/ui/parser/issues/issue-73568-lifetime-after-mut.stderr b/tests/ui/parser/issues/issue-73568-lifetime-after-mut.stderr index 799bc16bd6a..652aeff5dd4 100644 --- a/tests/ui/parser/issues/issue-73568-lifetime-after-mut.stderr +++ b/tests/ui/parser/issues/issue-73568-lifetime-after-mut.stderr @@ -33,7 +33,13 @@ error[E0224]: at least one trait is required for an object type LL | fn y<'a>(y: &mut 'a + Send) { | ^^ -error: aborting due to 5 previous errors +error[E0224]: at least one trait is required for an object type + --> $DIR/issue-73568-lifetime-after-mut.rs:17:23 + | +LL | let z = y as &mut 'a + Send; + | ^^ + +error: aborting due to 6 previous errors Some errors have detailed explanations: E0178, E0224, E0423. For more information about an error, try `rustc --explain E0178`. diff --git a/tests/ui/pattern/usefulness/issue-119493-type-error-ice.rs b/tests/ui/pattern/usefulness/issue-119493-type-error-ice.rs new file mode 100644 index 00000000000..6cf459eb82e --- /dev/null +++ b/tests/ui/pattern/usefulness/issue-119493-type-error-ice.rs @@ -0,0 +1,13 @@ +fn main() {} + +fn foo() { + #[derive(Copy, Clone)] + struct Foo(NonExistent); + //~^ ERROR cannot find type + //~| ERROR cannot find type + + type U = impl Copy; + //~^ ERROR `impl Trait` in type aliases is unstable + let foo: U = Foo(()); + let Foo(()) = foo; +} diff --git a/tests/ui/pattern/usefulness/issue-119493-type-error-ice.stderr b/tests/ui/pattern/usefulness/issue-119493-type-error-ice.stderr new file mode 100644 index 00000000000..6d74feb7a9f --- /dev/null +++ b/tests/ui/pattern/usefulness/issue-119493-type-error-ice.stderr @@ -0,0 +1,30 @@ +error[E0412]: cannot find type `NonExistent` in this scope + --> $DIR/issue-119493-type-error-ice.rs:5:16 + | +LL | struct Foo(NonExistent); + | ^^^^^^^^^^^ not found in this scope + +error[E0412]: cannot find type `NonExistent` in this scope + --> $DIR/issue-119493-type-error-ice.rs:5:16 + | +LL | struct Foo(NonExistent); + | ^^^^^^^^^^^ not found in this scope + | +help: you might be missing a type parameter + | +LL | struct Foo<NonExistent>(NonExistent); + | +++++++++++++ + +error[E0658]: `impl Trait` in type aliases is unstable + --> $DIR/issue-119493-type-error-ice.rs:9:14 + | +LL | type U = impl Copy; + | ^^^^^^^^^ + | + = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information + = help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable + +error: aborting due to 3 previous errors + +Some errors have detailed explanations: E0412, E0658. +For more information about an error, try `rustc --explain E0412`. diff --git a/tests/ui/pattern/usefulness/issue-119778-type-error-ice.rs b/tests/ui/pattern/usefulness/issue-119778-type-error-ice.rs new file mode 100644 index 00000000000..47333385bc1 --- /dev/null +++ b/tests/ui/pattern/usefulness/issue-119778-type-error-ice.rs @@ -0,0 +1,13 @@ +fn main() {} + +fn foo() { + #[derive(Copy, Clone)] + struct Foo([u8; S]); + //~^ ERROR cannot find value `S` + //~| ERROR cannot find value `S` + + type U = impl Copy; + //~^ ERROR `impl Trait` in type aliases is unstable + let foo: U = Foo(()); + let Foo(()) = foo; +} diff --git a/tests/ui/pattern/usefulness/issue-119778-type-error-ice.stderr b/tests/ui/pattern/usefulness/issue-119778-type-error-ice.stderr new file mode 100644 index 00000000000..93ef05decd2 --- /dev/null +++ b/tests/ui/pattern/usefulness/issue-119778-type-error-ice.stderr @@ -0,0 +1,35 @@ +error[E0425]: cannot find value `S` in this scope + --> $DIR/issue-119778-type-error-ice.rs:5:21 + | +LL | struct Foo([u8; S]); + | ^ not found in this scope + | +help: you might be missing a const parameter + | +LL | struct Foo<const S: /* Type */>([u8; S]); + | +++++++++++++++++++++ + +error[E0425]: cannot find value `S` in this scope + --> $DIR/issue-119778-type-error-ice.rs:5:21 + | +LL | struct Foo([u8; S]); + | ^ not found in this scope + | +help: you might be missing a const parameter + | +LL | struct Foo<const S: /* Type */>([u8; S]); + | +++++++++++++++++++++ + +error[E0658]: `impl Trait` in type aliases is unstable + --> $DIR/issue-119778-type-error-ice.rs:9:14 + | +LL | type U = impl Copy; + | ^^^^^^^^^ + | + = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information + = help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable + +error: aborting due to 3 previous errors + +Some errors have detailed explanations: E0425, E0658. +For more information about an error, try `rustc --explain E0425`. diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-impl-requires-const-trait.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-impl-requires-const-trait.stderr index f0b6e2b1c25..d20404e63b3 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-impl-requires-const-trait.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-impl-requires-const-trait.stderr @@ -10,5 +10,15 @@ LL | impl const A for () {} = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const` = note: adding a non-const method body in the future would be a breaking change -error: aborting due to 1 previous error +error[E0207]: the const parameter `host` is not constrained by the impl trait, self type, or predicates + --> $DIR/const-impl-requires-const-trait.rs:8:6 + | +LL | impl const A for () {} + | ^^^^^ unconstrained const parameter + | + = note: expressions using a const parameter must map each value to a distinct output value + = note: proving the result of expressions other than the parameter are unique is not supported + +error: aborting due to 2 previous errors +For more information about this error, try `rustc --explain E0207`. diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-non-const-type.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-non-const-type.stderr index dfe8fa79e26..4b009446dbc 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-non-const-type.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-non-const-type.stderr @@ -8,5 +8,11 @@ LL | #[derive_const(Default)] = note: adding a non-const method body in the future would be a breaking change = note: this error originates in the derive macro `Default` (in Nightly builds, run with -Z macro-backtrace for more info) -error: aborting due to 1 previous error +error[E0207]: the const parameter `host` is not constrained by the impl trait, self type, or predicates + | + = note: expressions using a const parameter must map each value to a distinct output value + = note: proving the result of expressions other than the parameter are unique is not supported + +error: aborting due to 2 previous errors +For more information about this error, try `rustc --explain E0207`. diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-use.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-use.stderr index c561f80653c..8f374bc4d8f 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-use.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-use.stderr @@ -23,6 +23,21 @@ LL | #[derive_const(Default, PartialEq)] = note: adding a non-const method body in the future would be a breaking change = note: this error originates in the derive macro `Default` (in Nightly builds, run with -Z macro-backtrace for more info) -error: aborting due to 3 previous errors +error[E0207]: the const parameter `host` is not constrained by the impl trait, self type, or predicates + --> $DIR/derive-const-use.rs:7:6 + | +LL | impl const Default for A { + | ^^^^^ unconstrained const parameter + | + = note: expressions using a const parameter must map each value to a distinct output value + = note: proving the result of expressions other than the parameter are unique is not supported + +error[E0207]: the const parameter `host` is not constrained by the impl trait, self type, or predicates + | + = note: expressions using a const parameter must map each value to a distinct output value + = note: proving the result of expressions other than the parameter are unique is not supported + +error: aborting due to 5 previous errors -For more information about this error, try `rustc --explain E0635`. +Some errors have detailed explanations: E0207, E0635. +For more information about an error, try `rustc --explain E0207`. diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/ice-112822-expected-type-for-param.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/ice-112822-expected-type-for-param.rs index c6be75a6a2f..7d817d09c7f 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/ice-112822-expected-type-for-param.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/ice-112822-expected-type-for-param.rs @@ -1,12 +1,14 @@ #![feature(const_trait_impl, effects)] const fn test() -> impl ~const Fn() { //~ ERROR `~const` can only be applied to `#[const_trait]` traits + //~^ ERROR cycle detected const move || { //~ ERROR const closures are experimental let sl: &[u8] = b"foo"; match sl { [first, remainder @ ..] => { assert_eq!(first, &b'f'); + //~^ ERROR can't compare `&u8` with `&u8` } [] => panic!(), } diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/ice-112822-expected-type-for-param.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/ice-112822-expected-type-for-param.stderr index fe6b613d154..7e268f50dca 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/ice-112822-expected-type-for-param.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/ice-112822-expected-type-for-param.stderr @@ -1,5 +1,5 @@ error[E0658]: const closures are experimental - --> $DIR/ice-112822-expected-type-for-param.rs:4:5 + --> $DIR/ice-112822-expected-type-for-param.rs:5:5 | LL | const move || { | ^^^^^ @@ -13,6 +13,47 @@ error: `~const` can only be applied to `#[const_trait]` traits LL | const fn test() -> impl ~const Fn() { | ^^^^ -error: aborting due to 2 previous errors +error[E0277]: can't compare `&u8` with `&u8` + --> $DIR/ice-112822-expected-type-for-param.rs:10:17 + | +LL | assert_eq!(first, &b'f'); + | ^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `&u8 == &u8` + | + = help: the trait `~const PartialEq<&u8>` is not implemented for `&u8` + = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) + +error[E0391]: cycle detected when computing type of opaque `test::{opaque#0}` + --> $DIR/ice-112822-expected-type-for-param.rs:3:20 + | +LL | const fn test() -> impl ~const Fn() { + | ^^^^^^^^^^^^^^^^ + | +note: ...which requires borrow-checking `test`... + --> $DIR/ice-112822-expected-type-for-param.rs:3:1 + | +LL | const fn test() -> impl ~const Fn() { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +note: ...which requires promoting constants in MIR for `test`... + --> $DIR/ice-112822-expected-type-for-param.rs:3:1 + | +LL | const fn test() -> impl ~const Fn() { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +note: ...which requires const checking `test`... + --> $DIR/ice-112822-expected-type-for-param.rs:3:1 + | +LL | const fn test() -> impl ~const Fn() { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + = note: ...which requires computing whether `test::{opaque#0}` is freeze... + = note: ...which requires evaluating trait selection obligation `test::{opaque#0}: core::marker::Freeze`... + = note: ...which again requires computing type of opaque `test::{opaque#0}`, completing the cycle +note: cycle used when computing type of `test::{opaque#0}` + --> $DIR/ice-112822-expected-type-for-param.rs:3:20 + | +LL | const fn test() -> impl ~const Fn() { + | ^^^^^^^^^^^^^^^^ + = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information + +error: aborting due to 4 previous errors -For more information about this error, try `rustc --explain E0658`. +Some errors have detailed explanations: E0277, E0391, E0658. +For more information about an error, try `rustc --explain E0277`. diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.nn.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.nn.stderr index eae313ef087..ac25812c42d 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.nn.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.nn.stderr @@ -24,5 +24,13 @@ LL | trait Bar: ~const Foo {} | = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -error: aborting due to 3 previous errors +error: `~const` can only be applied to `#[const_trait]` traits + --> $DIR/super-traits-fail-2.rs:10:19 + | +LL | trait Bar: ~const Foo {} + | ^^^ + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 4 previous errors diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.ny.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.ny.stderr index be3153d6a08..5273f7e48eb 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.ny.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.ny.stderr @@ -12,5 +12,13 @@ LL | trait Bar: ~const Foo {} | = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -error: aborting due to 2 previous errors +error: `~const` can only be applied to `#[const_trait]` traits + --> $DIR/super-traits-fail-2.rs:10:19 + | +LL | trait Bar: ~const Foo {} + | ^^^ + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 3 previous errors diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.rs index abdf0feee03..120399f0c78 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.rs @@ -10,7 +10,8 @@ trait Foo { trait Bar: ~const Foo {} //[ny,nn]~^ ERROR: `~const` can only be applied to `#[const_trait]` //[ny,nn]~| ERROR: `~const` can only be applied to `#[const_trait]` -//[yn,nn]~^^^ ERROR: `~const` is not allowed here +//[ny,nn]~| ERROR: `~const` can only be applied to `#[const_trait]` +//[yn,nn]~^^^^ ERROR: `~const` is not allowed here const fn foo<T: Bar>(x: &T) { x.a(); diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.yn.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.yn.stderr index c05c4d50a33..53445d25590 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.yn.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.yn.stderr @@ -11,7 +11,7 @@ LL | trait Bar: ~const Foo {} | ^^^^^^^^^^^^^^^^^^^^^^^^ error[E0308]: mismatched types - --> $DIR/super-traits-fail-2.rs:16:5 + --> $DIR/super-traits-fail-2.rs:17:5 | LL | x.a(); | ^^^^^ expected `host`, found `true` diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.yy.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.yy.stderr index 852c02cad5c..681647945d0 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.yy.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.yy.stderr @@ -1,5 +1,5 @@ error[E0308]: mismatched types - --> $DIR/super-traits-fail-2.rs:16:5 + --> $DIR/super-traits-fail-2.rs:17:5 | LL | x.a(); | ^^^^^ expected `host`, found `true` diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.nn.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.nn.stderr index 834d6f4dcf3..2c63c0217ab 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.nn.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.nn.stderr @@ -25,10 +25,18 @@ LL | trait Bar: ~const Foo {} = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` error: `~const` can only be applied to `#[const_trait]` traits - --> $DIR/super-traits-fail-3.rs:17:24 + --> $DIR/super-traits-fail-3.rs:18:24 | LL | const fn foo<T: ~const Bar>(x: &T) { | ^^^ -error: aborting due to 4 previous errors +error: `~const` can only be applied to `#[const_trait]` traits + --> $DIR/super-traits-fail-3.rs:12:19 + | +LL | trait Bar: ~const Foo {} + | ^^^ + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 5 previous errors diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.ny.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.ny.stderr index 4fdd2284c47..f737cb243df 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.ny.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.ny.stderr @@ -12,5 +12,13 @@ LL | trait Bar: ~const Foo {} | = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -error: aborting due to 2 previous errors +error: `~const` can only be applied to `#[const_trait]` traits + --> $DIR/super-traits-fail-3.rs:12:19 + | +LL | trait Bar: ~const Foo {} + | ^^^ + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 3 previous errors diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.rs index 30131d5849c..745668c4dd4 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.rs @@ -12,11 +12,13 @@ trait Foo { trait Bar: ~const Foo {} //[ny,nn]~^ ERROR: `~const` can only be applied to `#[const_trait]` //[ny,nn]~| ERROR: `~const` can only be applied to `#[const_trait]` -//[yn,nn]~^^^ ERROR: `~const` is not allowed here +//[ny,nn]~| ERROR: `~const` can only be applied to `#[const_trait]` +//[yn,nn]~^^^^ ERROR: `~const` is not allowed here const fn foo<T: ~const Bar>(x: &T) { //[yn,nn]~^ ERROR: `~const` can only be applied to `#[const_trait]` x.a(); + //[yn]~^ ERROR: mismatched types } fn main() {} diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.yn.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.yn.stderr index ab7c814eb49..de7a11cf155 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.yn.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.yn.stderr @@ -11,10 +11,20 @@ LL | trait Bar: ~const Foo {} | ^^^^^^^^^^^^^^^^^^^^^^^^ error: `~const` can only be applied to `#[const_trait]` traits - --> $DIR/super-traits-fail-3.rs:17:24 + --> $DIR/super-traits-fail-3.rs:18:24 | LL | const fn foo<T: ~const Bar>(x: &T) { | ^^^ -error: aborting due to 2 previous errors +error[E0308]: mismatched types + --> $DIR/super-traits-fail-3.rs:20:5 + | +LL | x.a(); + | ^^^^^ expected `host`, found `true` + | + = note: expected constant `host` + found constant `true` + +error: aborting due to 3 previous errors +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-invalid-places.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-invalid-places.rs index 5ecb75094f0..9d220686771 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-invalid-places.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-invalid-places.rs @@ -9,10 +9,12 @@ fn non_const_function<T: ~const Trait>() {} //~ ERROR `~const` is not allowed struct Struct<T: ~const Trait> { field: T } //~ ERROR `~const` is not allowed here struct TupleStruct<T: ~const Trait>(T); //~ ERROR `~const` is not allowed here struct UnitStruct<T: ~const Trait>; //~ ERROR `~const` is not allowed here +//~^ ERROR parameter `T` is never used enum Enum<T: ~const Trait> { Variant(T) } //~ ERROR `~const` is not allowed here union Union<T: ~const Trait> { field: T } //~ ERROR `~const` is not allowed here +//~^ ERROR field must implement `Copy` type Type<T: ~const Trait> = T; //~ ERROR `~const` is not allowed here @@ -30,6 +32,7 @@ trait NonConstTrait { impl NonConstTrait for () { type Type<T: ~const Trait> = (); //~ ERROR `~const` is not allowed + //~^ ERROR overflow evaluating the requirement `(): Trait` fn non_const_function<T: ~const Trait>() {} //~ ERROR `~const` is not allowed const CONSTANT<T: ~const Trait>: () = (); //~ ERROR `~const` is not allowed //~^ ERROR generic const items are experimental diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-invalid-places.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-invalid-places.stderr index 497ec5bcf84..a54ba7a94b4 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-invalid-places.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-invalid-places.stderr @@ -35,7 +35,7 @@ LL | struct UnitStruct<T: ~const Trait>; = note: this item cannot have `~const` trait bounds error: `~const` is not allowed here - --> $DIR/tilde-const-invalid-places.rs:13:14 + --> $DIR/tilde-const-invalid-places.rs:14:14 | LL | enum Enum<T: ~const Trait> { Variant(T) } | ^^^^^^ @@ -43,7 +43,7 @@ LL | enum Enum<T: ~const Trait> { Variant(T) } = note: this item cannot have `~const` trait bounds error: `~const` is not allowed here - --> $DIR/tilde-const-invalid-places.rs:15:16 + --> $DIR/tilde-const-invalid-places.rs:16:16 | LL | union Union<T: ~const Trait> { field: T } | ^^^^^^ @@ -51,7 +51,7 @@ LL | union Union<T: ~const Trait> { field: T } = note: this item cannot have `~const` trait bounds error: `~const` is not allowed here - --> $DIR/tilde-const-invalid-places.rs:17:14 + --> $DIR/tilde-const-invalid-places.rs:19:14 | LL | type Type<T: ~const Trait> = T; | ^^^^^^ @@ -59,7 +59,7 @@ LL | type Type<T: ~const Trait> = T; = note: this item cannot have `~const` trait bounds error: `~const` is not allowed here - --> $DIR/tilde-const-invalid-places.rs:19:19 + --> $DIR/tilde-const-invalid-places.rs:21:19 | LL | const CONSTANT<T: ~const Trait>: () = (); | ^^^^^^ @@ -67,7 +67,7 @@ LL | const CONSTANT<T: ~const Trait>: () = (); = note: this item cannot have `~const` trait bounds error: `~const` is not allowed here - --> $DIR/tilde-const-invalid-places.rs:23:18 + --> $DIR/tilde-const-invalid-places.rs:25:18 | LL | type Type<T: ~const Trait>: ~const Trait; | ^^^^^^ @@ -75,7 +75,7 @@ LL | type Type<T: ~const Trait>: ~const Trait; = note: this item cannot have `~const` trait bounds error: `~const` is not allowed here - --> $DIR/tilde-const-invalid-places.rs:23:33 + --> $DIR/tilde-const-invalid-places.rs:25:33 | LL | type Type<T: ~const Trait>: ~const Trait; | ^^^^^^ @@ -83,19 +83,19 @@ LL | type Type<T: ~const Trait>: ~const Trait; = note: this item cannot have `~const` trait bounds error: `~const` is not allowed here - --> $DIR/tilde-const-invalid-places.rs:26:30 + --> $DIR/tilde-const-invalid-places.rs:28:30 | LL | fn non_const_function<T: ~const Trait>(); | ^^^^^^ | note: this function is not `const`, so it cannot have `~const` trait bounds - --> $DIR/tilde-const-invalid-places.rs:26:8 + --> $DIR/tilde-const-invalid-places.rs:28:8 | LL | fn non_const_function<T: ~const Trait>(); | ^^^^^^^^^^^^^^^^^^ error: `~const` is not allowed here - --> $DIR/tilde-const-invalid-places.rs:27:23 + --> $DIR/tilde-const-invalid-places.rs:29:23 | LL | const CONSTANT<T: ~const Trait>: (); | ^^^^^^ @@ -103,7 +103,7 @@ LL | const CONSTANT<T: ~const Trait>: (); = note: this item cannot have `~const` trait bounds error: `~const` is not allowed here - --> $DIR/tilde-const-invalid-places.rs:32:18 + --> $DIR/tilde-const-invalid-places.rs:34:18 | LL | type Type<T: ~const Trait> = (); | ^^^^^^ @@ -111,19 +111,19 @@ LL | type Type<T: ~const Trait> = (); = note: this item cannot have `~const` trait bounds error: `~const` is not allowed here - --> $DIR/tilde-const-invalid-places.rs:33:30 + --> $DIR/tilde-const-invalid-places.rs:36:30 | LL | fn non_const_function<T: ~const Trait>() {} | ^^^^^^ | note: this function is not `const`, so it cannot have `~const` trait bounds - --> $DIR/tilde-const-invalid-places.rs:33:8 + --> $DIR/tilde-const-invalid-places.rs:36:8 | LL | fn non_const_function<T: ~const Trait>() {} | ^^^^^^^^^^^^^^^^^^ error: `~const` is not allowed here - --> $DIR/tilde-const-invalid-places.rs:34:23 + --> $DIR/tilde-const-invalid-places.rs:37:23 | LL | const CONSTANT<T: ~const Trait>: () = (); | ^^^^^^ @@ -131,7 +131,7 @@ LL | const CONSTANT<T: ~const Trait>: () = (); = note: this item cannot have `~const` trait bounds error: `~const` is not allowed here - --> $DIR/tilde-const-invalid-places.rs:41:18 + --> $DIR/tilde-const-invalid-places.rs:44:18 | LL | type Type<T: ~const Trait> = (); | ^^^^^^ @@ -139,19 +139,19 @@ LL | type Type<T: ~const Trait> = (); = note: this item cannot have `~const` trait bounds error: `~const` is not allowed here - --> $DIR/tilde-const-invalid-places.rs:43:30 + --> $DIR/tilde-const-invalid-places.rs:46:30 | LL | fn non_const_function<T: ~const Trait>() {} | ^^^^^^ | note: this function is not `const`, so it cannot have `~const` trait bounds - --> $DIR/tilde-const-invalid-places.rs:43:8 + --> $DIR/tilde-const-invalid-places.rs:46:8 | LL | fn non_const_function<T: ~const Trait>() {} | ^^^^^^^^^^^^^^^^^^ error: `~const` is not allowed here - --> $DIR/tilde-const-invalid-places.rs:44:23 + --> $DIR/tilde-const-invalid-places.rs:47:23 | LL | const CONSTANT<T: ~const Trait>: () = (); | ^^^^^^ @@ -159,55 +159,55 @@ LL | const CONSTANT<T: ~const Trait>: () = (); = note: this item cannot have `~const` trait bounds error: `~const` is not allowed here - --> $DIR/tilde-const-invalid-places.rs:49:15 + --> $DIR/tilde-const-invalid-places.rs:52:15 | LL | trait Child0: ~const Trait {} | ^^^^^^ | note: this trait is not a `#[const_trait]`, so it cannot have `~const` trait bounds - --> $DIR/tilde-const-invalid-places.rs:49:1 + --> $DIR/tilde-const-invalid-places.rs:52:1 | LL | trait Child0: ~const Trait {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `~const` is not allowed here - --> $DIR/tilde-const-invalid-places.rs:50:26 + --> $DIR/tilde-const-invalid-places.rs:53:26 | LL | trait Child1 where Self: ~const Trait {} | ^^^^^^ | note: this trait is not a `#[const_trait]`, so it cannot have `~const` trait bounds - --> $DIR/tilde-const-invalid-places.rs:50:1 + --> $DIR/tilde-const-invalid-places.rs:53:1 | LL | trait Child1 where Self: ~const Trait {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `~const` is not allowed here - --> $DIR/tilde-const-invalid-places.rs:53:9 + --> $DIR/tilde-const-invalid-places.rs:56:9 | LL | impl<T: ~const Trait> Trait for T {} | ^^^^^^ | note: this impl is not `const`, so it cannot have `~const` trait bounds - --> $DIR/tilde-const-invalid-places.rs:53:1 + --> $DIR/tilde-const-invalid-places.rs:56:1 | LL | impl<T: ~const Trait> Trait for T {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `~const` is not allowed here - --> $DIR/tilde-const-invalid-places.rs:56:9 + --> $DIR/tilde-const-invalid-places.rs:59:9 | LL | impl<T: ~const Trait> Struct<T> {} | ^^^^^^ | note: inherent impls cannot have `~const` trait bounds - --> $DIR/tilde-const-invalid-places.rs:56:1 + --> $DIR/tilde-const-invalid-places.rs:59:1 | LL | impl<T: ~const Trait> Struct<T> {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0658]: generic const items are experimental - --> $DIR/tilde-const-invalid-places.rs:19:15 + --> $DIR/tilde-const-invalid-places.rs:21:15 | LL | const CONSTANT<T: ~const Trait>: () = (); | ^^^^^^^^^^^^^^^^^ @@ -216,7 +216,7 @@ LL | const CONSTANT<T: ~const Trait>: () = (); = help: add `#![feature(generic_const_items)]` to the crate attributes to enable error[E0658]: generic const items are experimental - --> $DIR/tilde-const-invalid-places.rs:27:19 + --> $DIR/tilde-const-invalid-places.rs:29:19 | LL | const CONSTANT<T: ~const Trait>: (); | ^^^^^^^^^^^^^^^^^ @@ -225,7 +225,7 @@ LL | const CONSTANT<T: ~const Trait>: (); = help: add `#![feature(generic_const_items)]` to the crate attributes to enable error[E0658]: generic const items are experimental - --> $DIR/tilde-const-invalid-places.rs:34:19 + --> $DIR/tilde-const-invalid-places.rs:37:19 | LL | const CONSTANT<T: ~const Trait>: () = (); | ^^^^^^^^^^^^^^^^^ @@ -234,7 +234,7 @@ LL | const CONSTANT<T: ~const Trait>: () = (); = help: add `#![feature(generic_const_items)]` to the crate attributes to enable error[E0658]: generic const items are experimental - --> $DIR/tilde-const-invalid-places.rs:44:19 + --> $DIR/tilde-const-invalid-places.rs:47:19 | LL | const CONSTANT<T: ~const Trait>: () = (); | ^^^^^^^^^^^^^^^^^ @@ -243,7 +243,7 @@ LL | const CONSTANT<T: ~const Trait>: () = (); = help: add `#![feature(generic_const_items)]` to the crate attributes to enable error[E0658]: inherent associated types are unstable - --> $DIR/tilde-const-invalid-places.rs:41:5 + --> $DIR/tilde-const-invalid-places.rs:44:5 | LL | type Type<T: ~const Trait> = (); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -251,6 +251,39 @@ LL | type Type<T: ~const Trait> = (); = note: see issue #8995 <https://github.com/rust-lang/rust/issues/8995> for more information = help: add `#![feature(inherent_associated_types)]` to the crate attributes to enable -error: aborting due to 27 previous errors +error[E0392]: parameter `T` is never used + --> $DIR/tilde-const-invalid-places.rs:11:19 + | +LL | struct UnitStruct<T: ~const Trait>; + | ^ unused parameter + | + = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData` + +error[E0740]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union + --> $DIR/tilde-const-invalid-places.rs:16:32 + | +LL | union Union<T: ~const Trait> { field: T } + | ^^^^^^^^ + | + = note: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>` +help: wrap the field type in `ManuallyDrop<...>` + | +LL | union Union<T: ~const Trait> { field: std::mem::ManuallyDrop<T> } + | +++++++++++++++++++++++ + + +error[E0275]: overflow evaluating the requirement `(): Trait` + --> $DIR/tilde-const-invalid-places.rs:34:34 + | +LL | type Type<T: ~const Trait> = (); + | ^^ + | +note: required by a bound in `NonConstTrait::Type` + --> $DIR/tilde-const-invalid-places.rs:25:33 + | +LL | type Type<T: ~const Trait>: ~const Trait; + | ^^^^^^^^^^^^ required by this bound in `NonConstTrait::Type` + +error: aborting due to 30 previous errors -For more information about this error, try `rustc --explain E0658`. +Some errors have detailed explanations: E0275, E0392, E0658, E0740. +For more information about an error, try `rustc --explain E0275`. diff --git a/tests/ui/stability-attribute/generics-default-stability-where.rs b/tests/ui/stability-attribute/generics-default-stability-where.rs index 4afbca26264..142de12e152 100644 --- a/tests/ui/stability-attribute/generics-default-stability-where.rs +++ b/tests/ui/stability-attribute/generics-default-stability-where.rs @@ -5,6 +5,7 @@ extern crate unstable_generic_param; use unstable_generic_param::*; impl<T> Trait3<usize> for T where T: Trait2<usize> { //~ ERROR use of unstable library feature 'unstable_default' +//~^ ERROR `T` must be used as the type parameter for some local type fn foo() -> usize { T::foo() } } diff --git a/tests/ui/stability-attribute/generics-default-stability-where.stderr b/tests/ui/stability-attribute/generics-default-stability-where.stderr index ce34f96771c..16b560e8a4b 100644 --- a/tests/ui/stability-attribute/generics-default-stability-where.stderr +++ b/tests/ui/stability-attribute/generics-default-stability-where.stderr @@ -6,6 +6,16 @@ LL | impl<T> Trait3<usize> for T where T: Trait2<usize> { | = help: add `#![feature(unstable_default)]` to the crate attributes to enable -error: aborting due to 1 previous error +error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`) + --> $DIR/generics-default-stability-where.rs:7:6 + | +LL | impl<T> Trait3<usize> for T where T: Trait2<usize> { + | ^ type parameter `T` must be used as the type parameter for some local type + | + = note: implementing a foreign trait is only possible if at least one of the types for which it is implemented is local + = note: only traits defined in the current crate can be implemented for a type parameter + +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0658`. +Some errors have detailed explanations: E0210, E0658. +For more information about an error, try `rustc --explain E0210`. diff --git a/tests/ui/suggestions/bad-infer-in-trait-impl.rs b/tests/ui/suggestions/bad-infer-in-trait-impl.rs index 87db2636fb2..f38b168037b 100644 --- a/tests/ui/suggestions/bad-infer-in-trait-impl.rs +++ b/tests/ui/suggestions/bad-infer-in-trait-impl.rs @@ -5,6 +5,7 @@ trait Foo { impl Foo for () { fn bar(s: _) {} //~^ ERROR the placeholder `_` is not allowed within types on item signatures for functions + //~| ERROR has 1 parameter but the declaration in trait `Foo::bar` has 0 } fn main() {} diff --git a/tests/ui/suggestions/bad-infer-in-trait-impl.stderr b/tests/ui/suggestions/bad-infer-in-trait-impl.stderr index d96ee33a914..50c398de2b0 100644 --- a/tests/ui/suggestions/bad-infer-in-trait-impl.stderr +++ b/tests/ui/suggestions/bad-infer-in-trait-impl.stderr @@ -9,6 +9,16 @@ help: use type parameters instead LL | fn bar<T>(s: T) {} | +++ ~ -error: aborting due to 1 previous error +error[E0050]: method `bar` has 1 parameter but the declaration in trait `Foo::bar` has 0 + --> $DIR/bad-infer-in-trait-impl.rs:6:15 + | +LL | fn bar(); + | --------- trait requires 0 parameters +... +LL | fn bar(s: _) {} + | ^ expected 0 parameters, found 1 + +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0121`. +Some errors have detailed explanations: E0050, E0121. +For more information about an error, try `rustc --explain E0050`. diff --git a/tests/ui/suggestions/fn-trait-notation.fixed b/tests/ui/suggestions/fn-trait-notation.fixed index cf940f4e926..6cb97df4a85 100644 --- a/tests/ui/suggestions/fn-trait-notation.fixed +++ b/tests/ui/suggestions/fn-trait-notation.fixed @@ -2,6 +2,7 @@ fn e0658<F, G, H>(f: F, g: G, h: H) -> i32 where F: Fn(i32) -> i32, //~ ERROR E0658 + //~^ ERROR E0059 G: Fn(i32, i32) -> (i32, i32), //~ ERROR E0658 H: Fn(i32) -> i32, //~ ERROR E0658 { diff --git a/tests/ui/suggestions/fn-trait-notation.rs b/tests/ui/suggestions/fn-trait-notation.rs index f0bb03315d9..91251614930 100644 --- a/tests/ui/suggestions/fn-trait-notation.rs +++ b/tests/ui/suggestions/fn-trait-notation.rs @@ -2,6 +2,7 @@ fn e0658<F, G, H>(f: F, g: G, h: H) -> i32 where F: Fn<i32, Output = i32>, //~ ERROR E0658 + //~^ ERROR E0059 G: Fn<(i32, i32, ), Output = (i32, i32)>, //~ ERROR E0658 H: Fn<(i32,), Output = i32>, //~ ERROR E0658 { diff --git a/tests/ui/suggestions/fn-trait-notation.stderr b/tests/ui/suggestions/fn-trait-notation.stderr index 3e3b5417440..ed79b3d512c 100644 --- a/tests/ui/suggestions/fn-trait-notation.stderr +++ b/tests/ui/suggestions/fn-trait-notation.stderr @@ -8,7 +8,7 @@ LL | F: Fn<i32, Output = i32>, = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable error[E0658]: the precise format of `Fn`-family traits' type parameters is subject to change - --> $DIR/fn-trait-notation.rs:5:8 + --> $DIR/fn-trait-notation.rs:6:8 | LL | G: Fn<(i32, i32, ), Output = (i32, i32)>, | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use parenthetical notation instead: `Fn(i32, i32) -> (i32, i32)` @@ -17,7 +17,7 @@ LL | G: Fn<(i32, i32, ), Output = (i32, i32)>, = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable error[E0658]: the precise format of `Fn`-family traits' type parameters is subject to change - --> $DIR/fn-trait-notation.rs:6:8 + --> $DIR/fn-trait-notation.rs:7:8 | LL | H: Fn<(i32,), Output = i32>, | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use parenthetical notation instead: `Fn(i32) -> i32` @@ -25,6 +25,16 @@ LL | H: Fn<(i32,), Output = i32>, = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable -error: aborting due to 3 previous errors +error[E0059]: type parameter to bare `Fn` trait must be a tuple + --> $DIR/fn-trait-notation.rs:4:8 + | +LL | F: Fn<i32, Output = i32>, + | ^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `i32` + | +note: required by a bound in `Fn` + --> $SRC_DIR/core/src/ops/function.rs:LL:COL + +error: aborting due to 4 previous errors -For more information about this error, try `rustc --explain E0658`. +Some errors have detailed explanations: E0059, E0658. +For more information about an error, try `rustc --explain E0059`. diff --git a/tests/ui/suggestions/impl-trait-missing-lifetime-gated.rs b/tests/ui/suggestions/impl-trait-missing-lifetime-gated.rs index a1a51c4814e..afde5ee97d7 100644 --- a/tests/ui/suggestions/impl-trait-missing-lifetime-gated.rs +++ b/tests/ui/suggestions/impl-trait-missing-lifetime-gated.rs @@ -18,6 +18,7 @@ mod elided { // But that lifetime does not participate in resolution. async fn i(mut x: impl Iterator<Item = &()>) -> Option<&()> { x.next() } //~^ ERROR missing lifetime specifier + //~| ERROR lifetime may not live long enough } mod underscore { @@ -36,6 +37,7 @@ mod underscore { // But that lifetime does not participate in resolution. async fn i(mut x: impl Iterator<Item = &'_ ()>) -> Option<&'_ ()> { x.next() } //~^ ERROR missing lifetime specifier + //~| ERROR lifetime may not live long enough } mod alone_in_path { @@ -61,8 +63,8 @@ mod in_path { } // This must not err, as the `&` actually resolves to `'a`. -fn resolved_anonymous<'a, T>(f: impl Fn(&'a str) -> &T) { - f("f") +fn resolved_anonymous<'a, T: 'a>(f: impl Fn(&'a str) -> &T) { + f("f"); } fn main() {} diff --git a/tests/ui/suggestions/impl-trait-missing-lifetime-gated.stderr b/tests/ui/suggestions/impl-trait-missing-lifetime-gated.stderr index 2dfaa731194..fee4c7268fa 100644 --- a/tests/ui/suggestions/impl-trait-missing-lifetime-gated.stderr +++ b/tests/ui/suggestions/impl-trait-missing-lifetime-gated.stderr @@ -41,7 +41,7 @@ LL + async fn i(mut x: impl Iterator<Item = &()>) -> Option<()> { x.next() } | error[E0106]: missing lifetime specifier - --> $DIR/impl-trait-missing-lifetime-gated.rs:27:58 + --> $DIR/impl-trait-missing-lifetime-gated.rs:28:58 | LL | fn g(mut x: impl Iterator<Item = &'_ ()>) -> Option<&'_ ()> { x.next() } | ^^ expected named lifetime parameter @@ -62,7 +62,7 @@ LL + fn g(mut x: impl Iterator<Item = &'_ ()>) -> Option<()> { x.next() } | error[E0106]: missing lifetime specifier - --> $DIR/impl-trait-missing-lifetime-gated.rs:37:64 + --> $DIR/impl-trait-missing-lifetime-gated.rs:38:64 | LL | async fn i(mut x: impl Iterator<Item = &'_ ()>) -> Option<&'_ ()> { x.next() } | ^^ expected named lifetime parameter @@ -83,7 +83,7 @@ LL + async fn i(mut x: impl Iterator<Item = &'_ ()>) -> Option<()> { x.next( | error[E0106]: missing lifetime specifier - --> $DIR/impl-trait-missing-lifetime-gated.rs:47:37 + --> $DIR/impl-trait-missing-lifetime-gated.rs:49:37 | LL | fn g(mut x: impl Foo) -> Option<&()> { x.next() } | ^ expected named lifetime parameter @@ -104,7 +104,7 @@ LL + fn g(mut x: impl Foo) -> Option<()> { x.next() } | error[E0106]: missing lifetime specifier - --> $DIR/impl-trait-missing-lifetime-gated.rs:58:41 + --> $DIR/impl-trait-missing-lifetime-gated.rs:60:41 | LL | fn g(mut x: impl Foo<()>) -> Option<&()> { x.next() } | ^ expected named lifetime parameter @@ -149,7 +149,7 @@ LL | fn g<'a>(mut x: impl Iterator<Item = &'a ()>) -> Option<&()> { x.next() | ++++ ++ error[E0658]: anonymous lifetimes in `impl Trait` are unstable - --> $DIR/impl-trait-missing-lifetime-gated.rs:24:35 + --> $DIR/impl-trait-missing-lifetime-gated.rs:25:35 | LL | fn f(_: impl Iterator<Item = &'_ ()>) {} | ^^ expected named lifetime parameter @@ -161,7 +161,7 @@ LL | fn f<'a>(_: impl Iterator<Item = &'a ()>) {} | ++++ ~~ error[E0658]: anonymous lifetimes in `impl Trait` are unstable - --> $DIR/impl-trait-missing-lifetime-gated.rs:27:39 + --> $DIR/impl-trait-missing-lifetime-gated.rs:28:39 | LL | fn g(mut x: impl Iterator<Item = &'_ ()>) -> Option<&'_ ()> { x.next() } | ^^ expected named lifetime parameter @@ -173,7 +173,7 @@ LL | fn g<'a>(mut x: impl Iterator<Item = &'a ()>) -> Option<&'_ ()> { x.nex | ++++ ~~ error[E0658]: anonymous lifetimes in `impl Trait` are unstable - --> $DIR/impl-trait-missing-lifetime-gated.rs:44:18 + --> $DIR/impl-trait-missing-lifetime-gated.rs:46:18 | LL | fn f(_: impl Foo) {} | ^^^ expected named lifetime parameter @@ -185,7 +185,7 @@ LL | fn f<'a>(_: impl Foo<'a>) {} | ++++ ++++ error[E0658]: anonymous lifetimes in `impl Trait` are unstable - --> $DIR/impl-trait-missing-lifetime-gated.rs:47:22 + --> $DIR/impl-trait-missing-lifetime-gated.rs:49:22 | LL | fn g(mut x: impl Foo) -> Option<&()> { x.next() } | ^^^ expected named lifetime parameter @@ -197,7 +197,7 @@ LL | fn g<'a>(mut x: impl Foo<'a>) -> Option<&()> { x.next() } | ++++ ++++ error[E0658]: anonymous lifetimes in `impl Trait` are unstable - --> $DIR/impl-trait-missing-lifetime-gated.rs:55:22 + --> $DIR/impl-trait-missing-lifetime-gated.rs:57:22 | LL | fn f(_: impl Foo<()>) {} | ^ expected named lifetime parameter @@ -209,7 +209,7 @@ LL | fn f<'a>(_: impl Foo<'a, ()>) {} | ++++ +++ error[E0658]: anonymous lifetimes in `impl Trait` are unstable - --> $DIR/impl-trait-missing-lifetime-gated.rs:58:26 + --> $DIR/impl-trait-missing-lifetime-gated.rs:60:26 | LL | fn g(mut x: impl Foo<()>) -> Option<&()> { x.next() } | ^ expected named lifetime parameter @@ -220,7 +220,23 @@ help: consider introducing a named lifetime parameter LL | fn g<'a>(mut x: impl Foo<'a, ()>) -> Option<&()> { x.next() } | ++++ +++ -error: aborting due to 14 previous errors +error: lifetime may not live long enough + --> $DIR/impl-trait-missing-lifetime-gated.rs:19:67 + | +LL | async fn i(mut x: impl Iterator<Item = &()>) -> Option<&()> { x.next() } + | ----------------------------------------------------------- ^^^^^^^^ returning this value requires that `'1` must outlive `'static` + | | + | return type `impl Future<Output = Option<&'static ()>>` contains a lifetime `'1` + +error: lifetime may not live long enough + --> $DIR/impl-trait-missing-lifetime-gated.rs:38:73 + | +LL | async fn i(mut x: impl Iterator<Item = &'_ ()>) -> Option<&'_ ()> { x.next() } + | ----------------------------------------------------------------- ^^^^^^^^ returning this value requires that `'1` must outlive `'static` + | | + | return type `impl Future<Output = Option<&'static ()>>` contains a lifetime `'1` + +error: aborting due to 16 previous errors Some errors have detailed explanations: E0106, E0658. For more information about an error, try `rustc --explain E0106`. diff --git a/tests/ui/suggestions/missing-lifetime-specifier.rs b/tests/ui/suggestions/missing-lifetime-specifier.rs index cb734e8ba85..01dcc94f747 100644 --- a/tests/ui/suggestions/missing-lifetime-specifier.rs +++ b/tests/ui/suggestions/missing-lifetime-specifier.rs @@ -1,6 +1,9 @@ +// different number of duplicated diagnostics on different targets +// compile-flags: -Zdeduplicate-diagnostics=yes + #![allow(bare_trait_objects)] -use std::collections::HashMap; use std::cell::RefCell; +use std::collections::HashMap; pub union Foo<'t, 'k> { i: &'t i64, @@ -38,18 +41,10 @@ thread_local! { thread_local! { static e: RefCell<HashMap<i32, Vec<Vec<Qux<'static, i32>>>>> = RefCell::new(HashMap::new()); //~^ ERROR union takes 2 lifetime arguments but 1 lifetime argument - //~| ERROR union takes 2 lifetime arguments but 1 lifetime argument was supplied - //~| ERROR union takes 2 lifetime arguments but 1 lifetime argument was supplied - //~| ERROR union takes 2 lifetime arguments but 1 lifetime argument was supplied - //~| ERROR union takes 2 lifetime arguments but 1 lifetime argument was supplied } thread_local! { static f: RefCell<HashMap<i32, Vec<Vec<&Tar<'static, i32>>>>> = RefCell::new(HashMap::new()); //~^ ERROR trait takes 2 lifetime arguments but 1 lifetime argument was supplied - //~| ERROR trait takes 2 lifetime arguments but 1 lifetime argument was supplied - //~| ERROR trait takes 2 lifetime arguments but 1 lifetime argument was supplied - //~| ERROR trait takes 2 lifetime arguments but 1 lifetime argument was supplied - //~| ERROR trait takes 2 lifetime arguments but 1 lifetime argument was supplied //~| ERROR missing lifetime //~| ERROR missing lifetime } diff --git a/tests/ui/suggestions/missing-lifetime-specifier.stderr b/tests/ui/suggestions/missing-lifetime-specifier.stderr index e41f547ce9b..7a7ef47c35b 100644 --- a/tests/ui/suggestions/missing-lifetime-specifier.stderr +++ b/tests/ui/suggestions/missing-lifetime-specifier.stderr @@ -1,5 +1,5 @@ error[E0106]: missing lifetime specifiers - --> $DIR/missing-lifetime-specifier.rs:18:44 + --> $DIR/missing-lifetime-specifier.rs:21:44 | LL | static a: RefCell<HashMap<i32, Vec<Vec<Foo>>>> = RefCell::new(HashMap::new()); | ^^^ expected 2 lifetime parameters @@ -11,7 +11,7 @@ LL | static a: RefCell<HashMap<i32, Vec<Vec<Foo<'static, 'static>>>>> = RefC | ++++++++++++++++++ error[E0106]: missing lifetime specifiers - --> $DIR/missing-lifetime-specifier.rs:18:44 + --> $DIR/missing-lifetime-specifier.rs:21:44 | LL | / thread_local! { LL | | static a: RefCell<HashMap<i32, Vec<Vec<Foo>>>> = RefCell::new(HashMap::new()); @@ -24,7 +24,7 @@ LL | | } = help: this function's return type contains a borrowed value, but the signature does not say which one of `init`'s 3 lifetimes it is borrowed from error[E0106]: missing lifetime specifiers - --> $DIR/missing-lifetime-specifier.rs:23:44 + --> $DIR/missing-lifetime-specifier.rs:26:44 | LL | static b: RefCell<HashMap<i32, Vec<Vec<&Bar>>>> = RefCell::new(HashMap::new()); | ^^^^ expected 2 lifetime parameters @@ -38,7 +38,7 @@ LL | static b: RefCell<HashMap<i32, Vec<Vec<&'static Bar<'static, 'static>>> | +++++++ ++++++++++++++++++ error[E0106]: missing lifetime specifiers - --> $DIR/missing-lifetime-specifier.rs:23:44 + --> $DIR/missing-lifetime-specifier.rs:26:44 | LL | / thread_local! { LL | | static b: RefCell<HashMap<i32, Vec<Vec<&Bar>>>> = RefCell::new(HashMap::new()); @@ -53,7 +53,7 @@ LL | | } = help: this function's return type contains a borrowed value, but the signature does not say which one of `init`'s 4 lifetimes it is borrowed from error[E0106]: missing lifetime specifiers - --> $DIR/missing-lifetime-specifier.rs:28:47 + --> $DIR/missing-lifetime-specifier.rs:31:47 | LL | static c: RefCell<HashMap<i32, Vec<Vec<Qux<i32>>>>> = RefCell::new(HashMap::new()); | ^ expected 2 lifetime parameters @@ -65,7 +65,7 @@ LL | static c: RefCell<HashMap<i32, Vec<Vec<Qux<'static, 'static, i32>>>>> = | +++++++++++++++++ error[E0106]: missing lifetime specifiers - --> $DIR/missing-lifetime-specifier.rs:28:47 + --> $DIR/missing-lifetime-specifier.rs:31:47 | LL | / thread_local! { LL | | static c: RefCell<HashMap<i32, Vec<Vec<Qux<i32>>>>> = RefCell::new(HashMap::new()); @@ -78,7 +78,7 @@ LL | | } = help: this function's return type contains a borrowed value, but the signature does not say which one of `init`'s 3 lifetimes it is borrowed from error[E0106]: missing lifetime specifiers - --> $DIR/missing-lifetime-specifier.rs:33:44 + --> $DIR/missing-lifetime-specifier.rs:36:44 | LL | static d: RefCell<HashMap<i32, Vec<Vec<&Tar<i32>>>>> = RefCell::new(HashMap::new()); | ^ ^ expected 2 lifetime parameters @@ -92,7 +92,7 @@ LL | static d: RefCell<HashMap<i32, Vec<Vec<&'static Tar<'static, 'static, i | +++++++ +++++++++++++++++ error[E0106]: missing lifetime specifiers - --> $DIR/missing-lifetime-specifier.rs:33:44 + --> $DIR/missing-lifetime-specifier.rs:36:44 | LL | / thread_local! { LL | | static d: RefCell<HashMap<i32, Vec<Vec<&Tar<i32>>>>> = RefCell::new(HashMap::new()); @@ -107,7 +107,7 @@ LL | | } = help: this function's return type contains a borrowed value, but the signature does not say which one of `init`'s 4 lifetimes it is borrowed from error[E0106]: missing lifetime specifier - --> $DIR/missing-lifetime-specifier.rs:47:44 + --> $DIR/missing-lifetime-specifier.rs:46:44 | LL | static f: RefCell<HashMap<i32, Vec<Vec<&Tar<'static, i32>>>>> = RefCell::new(HashMap::new()); | ^ expected named lifetime parameter @@ -119,14 +119,13 @@ LL | static f: RefCell<HashMap<i32, Vec<Vec<&'static Tar<'static, i32>>>>> = | +++++++ error[E0106]: missing lifetime specifier - --> $DIR/missing-lifetime-specifier.rs:47:44 + --> $DIR/missing-lifetime-specifier.rs:46:44 | LL | / thread_local! { LL | | static f: RefCell<HashMap<i32, Vec<Vec<&Tar<'static, i32>>>>> = RefCell::new(HashMap::new()); | | ^ expected named lifetime parameter LL | | LL | | -... | LL | | LL | | } | |_- @@ -134,7 +133,7 @@ LL | | } = help: this function's return type contains a borrowed value, but the signature does not say which one of `init`'s 3 lifetimes it is borrowed from error[E0107]: union takes 2 lifetime arguments but 1 lifetime argument was supplied - --> $DIR/missing-lifetime-specifier.rs:39:44 + --> $DIR/missing-lifetime-specifier.rs:42:44 | LL | static e: RefCell<HashMap<i32, Vec<Vec<Qux<'static, i32>>>>> = RefCell::new(HashMap::new()); | ^^^ ------- supplied 1 lifetime argument @@ -142,7 +141,7 @@ LL | static e: RefCell<HashMap<i32, Vec<Vec<Qux<'static, i32>>>>> = RefCell: | expected 2 lifetime arguments | note: union defined here, with 2 lifetime parameters: `'t`, `'k` - --> $DIR/missing-lifetime-specifier.rs:11:11 + --> $DIR/missing-lifetime-specifier.rs:14:11 | LL | pub union Qux<'t, 'k, I> { | ^^^ -- -- @@ -151,159 +150,8 @@ help: add missing lifetime argument LL | static e: RefCell<HashMap<i32, Vec<Vec<Qux<'static, 'static, i32>>>>> = RefCell::new(HashMap::new()); | +++++++++ -error[E0107]: union takes 2 lifetime arguments but 1 lifetime argument was supplied - --> $DIR/missing-lifetime-specifier.rs:39:44 - | -LL | static e: RefCell<HashMap<i32, Vec<Vec<Qux<'static, i32>>>>> = RefCell::new(HashMap::new()); - | ^^^ ------- supplied 1 lifetime argument - | | - | expected 2 lifetime arguments - | -note: union defined here, with 2 lifetime parameters: `'t`, `'k` - --> $DIR/missing-lifetime-specifier.rs:11:11 - | -LL | pub union Qux<'t, 'k, I> { - | ^^^ -- -- - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -help: add missing lifetime argument - | -LL | static e: RefCell<HashMap<i32, Vec<Vec<Qux<'static, 'static, i32>>>>> = RefCell::new(HashMap::new()); - | +++++++++ - -error[E0107]: union takes 2 lifetime arguments but 1 lifetime argument was supplied - --> $DIR/missing-lifetime-specifier.rs:39:44 - | -LL | static e: RefCell<HashMap<i32, Vec<Vec<Qux<'static, i32>>>>> = RefCell::new(HashMap::new()); - | ^^^ ------- supplied 1 lifetime argument - | | - | expected 2 lifetime arguments - | -note: union defined here, with 2 lifetime parameters: `'t`, `'k` - --> $DIR/missing-lifetime-specifier.rs:11:11 - | -LL | pub union Qux<'t, 'k, I> { - | ^^^ -- -- - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -help: add missing lifetime argument - | -LL | static e: RefCell<HashMap<i32, Vec<Vec<Qux<'static, 'static, i32>>>>> = RefCell::new(HashMap::new()); - | +++++++++ - -error[E0107]: union takes 2 lifetime arguments but 1 lifetime argument was supplied - --> $DIR/missing-lifetime-specifier.rs:39:44 - | -LL | static e: RefCell<HashMap<i32, Vec<Vec<Qux<'static, i32>>>>> = RefCell::new(HashMap::new()); - | ^^^ ------- supplied 1 lifetime argument - | | - | expected 2 lifetime arguments - | -note: union defined here, with 2 lifetime parameters: `'t`, `'k` - --> $DIR/missing-lifetime-specifier.rs:11:11 - | -LL | pub union Qux<'t, 'k, I> { - | ^^^ -- -- - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -help: add missing lifetime argument - | -LL | static e: RefCell<HashMap<i32, Vec<Vec<Qux<'static, 'static, i32>>>>> = RefCell::new(HashMap::new()); - | +++++++++ - -error[E0107]: union takes 2 lifetime arguments but 1 lifetime argument was supplied - --> $DIR/missing-lifetime-specifier.rs:39:44 - | -LL | static e: RefCell<HashMap<i32, Vec<Vec<Qux<'static, i32>>>>> = RefCell::new(HashMap::new()); - | ^^^ ------- supplied 1 lifetime argument - | | - | expected 2 lifetime arguments - | -note: union defined here, with 2 lifetime parameters: `'t`, `'k` - --> $DIR/missing-lifetime-specifier.rs:11:11 - | -LL | pub union Qux<'t, 'k, I> { - | ^^^ -- -- - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -help: add missing lifetime argument - | -LL | static e: RefCell<HashMap<i32, Vec<Vec<Qux<'static, 'static, i32>>>>> = RefCell::new(HashMap::new()); - | +++++++++ - -error[E0107]: trait takes 2 lifetime arguments but 1 lifetime argument was supplied - --> $DIR/missing-lifetime-specifier.rs:47:45 - | -LL | static f: RefCell<HashMap<i32, Vec<Vec<&Tar<'static, i32>>>>> = RefCell::new(HashMap::new()); - | ^^^ ------- supplied 1 lifetime argument - | | - | expected 2 lifetime arguments - | -note: trait defined here, with 2 lifetime parameters: `'t`, `'k` - --> $DIR/missing-lifetime-specifier.rs:15:7 - | -LL | trait Tar<'t, 'k, I> {} - | ^^^ -- -- -help: add missing lifetime argument - | -LL | static f: RefCell<HashMap<i32, Vec<Vec<&Tar<'static, 'static, i32>>>>> = RefCell::new(HashMap::new()); - | +++++++++ - -error[E0107]: trait takes 2 lifetime arguments but 1 lifetime argument was supplied - --> $DIR/missing-lifetime-specifier.rs:47:45 - | -LL | static f: RefCell<HashMap<i32, Vec<Vec<&Tar<'static, i32>>>>> = RefCell::new(HashMap::new()); - | ^^^ ------- supplied 1 lifetime argument - | | - | expected 2 lifetime arguments - | -note: trait defined here, with 2 lifetime parameters: `'t`, `'k` - --> $DIR/missing-lifetime-specifier.rs:15:7 - | -LL | trait Tar<'t, 'k, I> {} - | ^^^ -- -- - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -help: add missing lifetime argument - | -LL | static f: RefCell<HashMap<i32, Vec<Vec<&Tar<'static, 'static, i32>>>>> = RefCell::new(HashMap::new()); - | +++++++++ - -error[E0107]: trait takes 2 lifetime arguments but 1 lifetime argument was supplied - --> $DIR/missing-lifetime-specifier.rs:47:45 - | -LL | static f: RefCell<HashMap<i32, Vec<Vec<&Tar<'static, i32>>>>> = RefCell::new(HashMap::new()); - | ^^^ ------- supplied 1 lifetime argument - | | - | expected 2 lifetime arguments - | -note: trait defined here, with 2 lifetime parameters: `'t`, `'k` - --> $DIR/missing-lifetime-specifier.rs:15:7 - | -LL | trait Tar<'t, 'k, I> {} - | ^^^ -- -- - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -help: add missing lifetime argument - | -LL | static f: RefCell<HashMap<i32, Vec<Vec<&Tar<'static, 'static, i32>>>>> = RefCell::new(HashMap::new()); - | +++++++++ - -error[E0107]: trait takes 2 lifetime arguments but 1 lifetime argument was supplied - --> $DIR/missing-lifetime-specifier.rs:47:45 - | -LL | static f: RefCell<HashMap<i32, Vec<Vec<&Tar<'static, i32>>>>> = RefCell::new(HashMap::new()); - | ^^^ ------- supplied 1 lifetime argument - | | - | expected 2 lifetime arguments - | -note: trait defined here, with 2 lifetime parameters: `'t`, `'k` - --> $DIR/missing-lifetime-specifier.rs:15:7 - | -LL | trait Tar<'t, 'k, I> {} - | ^^^ -- -- - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -help: add missing lifetime argument - | -LL | static f: RefCell<HashMap<i32, Vec<Vec<&Tar<'static, 'static, i32>>>>> = RefCell::new(HashMap::new()); - | +++++++++ - error[E0107]: trait takes 2 lifetime arguments but 1 lifetime argument was supplied - --> $DIR/missing-lifetime-specifier.rs:47:45 + --> $DIR/missing-lifetime-specifier.rs:46:45 | LL | static f: RefCell<HashMap<i32, Vec<Vec<&Tar<'static, i32>>>>> = RefCell::new(HashMap::new()); | ^^^ ------- supplied 1 lifetime argument @@ -311,17 +159,16 @@ LL | static f: RefCell<HashMap<i32, Vec<Vec<&Tar<'static, i32>>>>> = RefCell | expected 2 lifetime arguments | note: trait defined here, with 2 lifetime parameters: `'t`, `'k` - --> $DIR/missing-lifetime-specifier.rs:15:7 + --> $DIR/missing-lifetime-specifier.rs:18:7 | LL | trait Tar<'t, 'k, I> {} | ^^^ -- -- - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` help: add missing lifetime argument | LL | static f: RefCell<HashMap<i32, Vec<Vec<&Tar<'static, 'static, i32>>>>> = RefCell::new(HashMap::new()); | +++++++++ -error: aborting due to 20 previous errors +error: aborting due to 12 previous errors Some errors have detailed explanations: E0106, E0107. For more information about an error, try `rustc --explain E0106`. diff --git a/tests/ui/tag-type-args.rs b/tests/ui/tag-type-args.rs index 660d860ba77..75a54927443 100644 --- a/tests/ui/tag-type-args.rs +++ b/tests/ui/tag-type-args.rs @@ -1,4 +1,5 @@ enum Quux<T> { Bar } +//~^ ERROR: parameter `T` is never used fn foo(c: Quux) { assert!((false)); } //~ ERROR missing generics for enum `Quux` diff --git a/tests/ui/tag-type-args.stderr b/tests/ui/tag-type-args.stderr index 49ecf65b7e6..80ffd3a2f05 100644 --- a/tests/ui/tag-type-args.stderr +++ b/tests/ui/tag-type-args.stderr @@ -1,5 +1,5 @@ error[E0107]: missing generics for enum `Quux` - --> $DIR/tag-type-args.rs:3:11 + --> $DIR/tag-type-args.rs:4:11 | LL | fn foo(c: Quux) { assert!((false)); } | ^^^^ expected 1 generic argument @@ -14,6 +14,16 @@ help: add missing generic argument LL | fn foo(c: Quux<T>) { assert!((false)); } | +++ -error: aborting due to 1 previous error +error[E0392]: parameter `T` is never used + --> $DIR/tag-type-args.rs:1:11 + | +LL | enum Quux<T> { Bar } + | ^ unused parameter + | + = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData` + = help: if you intended `T` to be a const parameter, use `const T: usize` instead + +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0107`. +Some errors have detailed explanations: E0107, E0392. +For more information about an error, try `rustc --explain E0107`. diff --git a/tests/ui/target-feature/invalid-attribute.rs b/tests/ui/target-feature/invalid-attribute.rs index d1b3cf71c15..f6357bd9eb0 100644 --- a/tests/ui/target-feature/invalid-attribute.rs +++ b/tests/ui/target-feature/invalid-attribute.rs @@ -86,6 +86,8 @@ static A: () = (); //~^ ERROR attribute should be applied to a function impl Quux for u8 {} //~^ NOTE not a function +//~| NOTE missing `foo` in implementation +//~| ERROR missing: `foo` #[target_feature(enable = "sse2")] //~^ ERROR attribute should be applied to a function @@ -93,7 +95,7 @@ impl Foo {} //~^ NOTE not a function trait Quux { - fn foo(); + fn foo(); //~ NOTE `foo` from trait } impl Quux for Foo { diff --git a/tests/ui/target-feature/invalid-attribute.stderr b/tests/ui/target-feature/invalid-attribute.stderr index 29c73921c53..8f981d27c53 100644 --- a/tests/ui/target-feature/invalid-attribute.stderr +++ b/tests/ui/target-feature/invalid-attribute.stderr @@ -117,7 +117,7 @@ LL | impl Quux for u8 {} | ------------------- not a function definition error: attribute should be applied to a function definition - --> $DIR/invalid-attribute.rs:90:1 + --> $DIR/invalid-attribute.rs:92:1 | LL | #[target_feature(enable = "sse2")] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -126,7 +126,7 @@ LL | impl Foo {} | ----------- not a function definition error: attribute should be applied to a function definition - --> $DIR/invalid-attribute.rs:108:5 + --> $DIR/invalid-attribute.rs:110:5 | LL | #[target_feature(enable = "sse2")] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -138,7 +138,7 @@ LL | | } | |_____- not a function definition error: attribute should be applied to a function definition - --> $DIR/invalid-attribute.rs:116:5 + --> $DIR/invalid-attribute.rs:118:5 | LL | #[target_feature(enable = "sse2")] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -183,7 +183,7 @@ LL | #[inline(always)] | ^^^^^^^^^^^^^^^^^ error[E0658]: `#[target_feature(..)]` can only be applied to `unsafe` functions - --> $DIR/invalid-attribute.rs:100:5 + --> $DIR/invalid-attribute.rs:102:5 | LL | #[target_feature(enable = "sse2")] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -194,6 +194,16 @@ LL | fn foo() {} = note: see issue #69098 <https://github.com/rust-lang/rust/issues/69098> for more information = help: add `#![feature(target_feature_11)]` to the crate attributes to enable -error: aborting due to 22 previous errors +error[E0046]: not all trait items implemented, missing: `foo` + --> $DIR/invalid-attribute.rs:87:1 + | +LL | impl Quux for u8 {} + | ^^^^^^^^^^^^^^^^ missing `foo` in implementation +... +LL | fn foo(); + | --------- `foo` from trait + +error: aborting due to 23 previous errors -For more information about this error, try `rustc --explain E0658`. +Some errors have detailed explanations: E0046, E0658. +For more information about an error, try `rustc --explain E0046`. diff --git a/tests/ui/traits/associated_type_bound/116464-invalid-assoc-type-suggestion-in-trait-impl.rs b/tests/ui/traits/associated_type_bound/116464-invalid-assoc-type-suggestion-in-trait-impl.rs index e0edd522431..4cbc36f4650 100644 --- a/tests/ui/traits/associated_type_bound/116464-invalid-assoc-type-suggestion-in-trait-impl.rs +++ b/tests/ui/traits/associated_type_bound/116464-invalid-assoc-type-suggestion-in-trait-impl.rs @@ -7,12 +7,14 @@ pub trait Trait<T> { } impl<T, S> Trait<T> for i32 { + //~^ ERROR `S` is not constrained type Assoc = String; } // Should not not trigger suggestion here... impl<T, S> Trait<T, S> for () {} //~^ ERROR trait takes 1 generic argument but 2 generic arguments were supplied +//~| ERROR `S` is not constrained //... but should do so in all of the below cases except the last one fn func<T: Trait<u32, String>>(t: T) -> impl Trait<(), i32> { @@ -37,6 +39,7 @@ impl<T: Trait<u32, String>> Struct<T> {} trait YetAnotherTrait {} impl<T: Trait<u32, Assoc=String>, U> YetAnotherTrait for Struct<T, U> {} //~^ ERROR struct takes 1 generic argument but 2 generic arguments were supplied +//~| ERROR `U` is not constrained fn main() { diff --git a/tests/ui/traits/associated_type_bound/116464-invalid-assoc-type-suggestion-in-trait-impl.stderr b/tests/ui/traits/associated_type_bound/116464-invalid-assoc-type-suggestion-in-trait-impl.stderr index 711ccf1b668..3c2b726fcce 100644 --- a/tests/ui/traits/associated_type_bound/116464-invalid-assoc-type-suggestion-in-trait-impl.stderr +++ b/tests/ui/traits/associated_type_bound/116464-invalid-assoc-type-suggestion-in-trait-impl.stderr @@ -1,5 +1,5 @@ error[E0107]: trait takes 1 generic argument but 2 generic arguments were supplied - --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:14:12 + --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:15:12 | LL | impl<T, S> Trait<T, S> for () {} | ^^^^^ expected 1 generic argument @@ -11,7 +11,7 @@ LL | pub trait Trait<T> { | ^^^^^ - error[E0107]: trait takes 1 generic argument but 2 generic arguments were supplied - --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:18:12 + --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:20:12 | LL | fn func<T: Trait<u32, String>>(t: T) -> impl Trait<(), i32> { | ^^^^^ expected 1 generic argument @@ -27,7 +27,7 @@ LL | fn func<T: Trait<u32, Assoc = String>>(t: T) -> impl Trait<(), i32> { | +++++++ error[E0107]: trait takes 1 generic argument but 2 generic arguments were supplied - --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:18:46 + --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:20:46 | LL | fn func<T: Trait<u32, String>>(t: T) -> impl Trait<(), i32> { | ^^^^^ expected 1 generic argument @@ -43,7 +43,7 @@ LL | fn func<T: Trait<u32, String>>(t: T) -> impl Trait<(), Assoc = i32> { | +++++++ error[E0107]: trait takes 1 generic argument but 2 generic arguments were supplied - --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:24:18 + --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:26:18 | LL | struct Struct<T: Trait<u32, String>> { | ^^^^^ expected 1 generic argument @@ -59,7 +59,7 @@ LL | struct Struct<T: Trait<u32, Assoc = String>> { | +++++++ error[E0107]: trait takes 1 generic argument but 2 generic arguments were supplied - --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:29:23 + --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:31:23 | LL | trait AnotherTrait<T: Trait<T, i32>> {} | ^^^^^ expected 1 generic argument @@ -75,7 +75,7 @@ LL | trait AnotherTrait<T: Trait<T, Assoc = i32>> {} | +++++++ error[E0107]: trait takes 1 generic argument but 2 generic arguments were supplied - --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:32:9 + --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:34:9 | LL | impl<T: Trait<u32, String>> Struct<T> {} | ^^^^^ expected 1 generic argument @@ -91,7 +91,7 @@ LL | impl<T: Trait<u32, Assoc = String>> Struct<T> {} | +++++++ error[E0107]: struct takes 1 generic argument but 2 generic arguments were supplied - --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:38:58 + --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:40:58 | LL | impl<T: Trait<u32, Assoc=String>, U> YetAnotherTrait for Struct<T, U> {} | ^^^^^^ - help: remove this generic argument @@ -99,11 +99,30 @@ LL | impl<T: Trait<u32, Assoc=String>, U> YetAnotherTrait for Struct<T, U> {} | expected 1 generic argument | note: struct defined here, with 1 generic parameter: `T` - --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:24:8 + --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:26:8 | LL | struct Struct<T: Trait<u32, String>> { | ^^^^^^ - -error: aborting due to 7 previous errors +error[E0207]: the type parameter `S` is not constrained by the impl trait, self type, or predicates + --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:9:9 + | +LL | impl<T, S> Trait<T> for i32 { + | ^ unconstrained type parameter + +error[E0207]: the type parameter `S` is not constrained by the impl trait, self type, or predicates + --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:15:9 + | +LL | impl<T, S> Trait<T, S> for () {} + | ^ unconstrained type parameter + +error[E0207]: the type parameter `U` is not constrained by the impl trait, self type, or predicates + --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:40:35 + | +LL | impl<T: Trait<u32, Assoc=String>, U> YetAnotherTrait for Struct<T, U> {} + | ^ unconstrained type parameter + +error: aborting due to 10 previous errors -For more information about this error, try `rustc --explain E0107`. +Some errors have detailed explanations: E0107, E0207. +For more information about an error, try `rustc --explain E0107`. diff --git a/tests/ui/traits/bound/not-on-bare-trait-2021.rs b/tests/ui/traits/bound/not-on-bare-trait-2021.rs index 3d97bddb4a4..4c2e6f0852b 100644 --- a/tests/ui/traits/bound/not-on-bare-trait-2021.rs +++ b/tests/ui/traits/bound/not-on-bare-trait-2021.rs @@ -7,10 +7,12 @@ trait Foo { fn foo(_x: Foo + Send) { //~^ ERROR trait objects must include the `dyn` keyword + //~| ERROR size for values of type } fn bar(x: Foo) -> Foo { //~^ ERROR trait objects must include the `dyn` keyword //~| ERROR trait objects must include the `dyn` keyword + //~| ERROR size for values of type x } diff --git a/tests/ui/traits/bound/not-on-bare-trait-2021.stderr b/tests/ui/traits/bound/not-on-bare-trait-2021.stderr index 6f41f872e4c..57d3bc8f109 100644 --- a/tests/ui/traits/bound/not-on-bare-trait-2021.stderr +++ b/tests/ui/traits/bound/not-on-bare-trait-2021.stderr @@ -1,3 +1,37 @@ +error[E0277]: the size for values of type `(dyn Foo + Send + 'static)` cannot be known at compilation time + --> $DIR/not-on-bare-trait-2021.rs:8:8 + | +LL | fn foo(_x: Foo + Send) { + | ^^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `(dyn Foo + Send + 'static)` + = help: unsized fn params are gated as an unstable feature +help: you can use `impl Trait` as the argument type + | +LL | fn foo(_x: impl Foo + Send) { + | ++++ +help: function arguments must have a statically known size, borrowed types always have a known size + | +LL | fn foo(_x: &(dyn Foo + Send)) { + | +++++ + + +error[E0277]: the size for values of type `(dyn Foo + 'static)` cannot be known at compilation time + --> $DIR/not-on-bare-trait-2021.rs:12:8 + | +LL | fn bar(x: Foo) -> Foo { + | ^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `(dyn Foo + 'static)` + = help: unsized fn params are gated as an unstable feature +help: you can use `impl Trait` as the argument type + | +LL | fn bar(x: impl Foo) -> Foo { + | ++++ +help: function arguments must have a statically known size, borrowed types always have a known size + | +LL | fn bar(x: &dyn Foo) -> Foo { + | ++++ + error[E0782]: trait objects must include the `dyn` keyword --> $DIR/not-on-bare-trait-2021.rs:8:12 | @@ -18,7 +52,7 @@ LL | fn foo(_x: &(dyn Foo + Send)) { | +++++ + error[E0782]: trait objects must include the `dyn` keyword - --> $DIR/not-on-bare-trait-2021.rs:11:11 + --> $DIR/not-on-bare-trait-2021.rs:12:11 | LL | fn bar(x: Foo) -> Foo { | ^^^ @@ -37,7 +71,7 @@ LL | fn bar(x: &dyn Foo) -> Foo { | ++++ error[E0782]: trait objects must include the `dyn` keyword - --> $DIR/not-on-bare-trait-2021.rs:11:19 + --> $DIR/not-on-bare-trait-2021.rs:12:19 | LL | fn bar(x: Foo) -> Foo { | ^^^ @@ -51,6 +85,7 @@ help: alternatively, you can return an owned trait object LL | fn bar(x: Foo) -> Box<dyn Foo> { | +++++++ + -error: aborting due to 3 previous errors +error: aborting due to 5 previous errors -For more information about this error, try `rustc --explain E0782`. +Some errors have detailed explanations: E0277, E0782. +For more information about an error, try `rustc --explain E0277`. diff --git a/tests/ui/traits/issue-106072.rs b/tests/ui/traits/issue-106072.rs index b174669545a..d38d3c3b286 100644 --- a/tests/ui/traits/issue-106072.rs +++ b/tests/ui/traits/issue-106072.rs @@ -1,4 +1,5 @@ #[derive(Clone)] //~ trait objects must include the `dyn` keyword +//~^ ERROR: the size for values of type `(dyn Foo + 'static)` cannot be known struct Foo; trait Foo {} //~ the name `Foo` is defined multiple times fn main() {} diff --git a/tests/ui/traits/issue-106072.stderr b/tests/ui/traits/issue-106072.stderr index 1037603ceb7..aadadc45f21 100644 --- a/tests/ui/traits/issue-106072.stderr +++ b/tests/ui/traits/issue-106072.stderr @@ -1,5 +1,5 @@ error[E0428]: the name `Foo` is defined multiple times - --> $DIR/issue-106072.rs:3:1 + --> $DIR/issue-106072.rs:4:1 | LL | struct Foo; | ----------- previous definition of the type `Foo` here @@ -8,6 +8,17 @@ LL | trait Foo {} | = note: `Foo` must be defined only once in the type namespace of this module +error[E0277]: the size for values of type `(dyn Foo + 'static)` cannot be known at compilation time + --> $DIR/issue-106072.rs:1:10 + | +LL | #[derive(Clone)] + | ^^^^^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `(dyn Foo + 'static)` +note: required by a bound in `Clone` + --> $SRC_DIR/core/src/clone.rs:LL:COL + = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) + error[E0782]: trait objects must include the `dyn` keyword --> $DIR/issue-106072.rs:1:10 | @@ -16,7 +27,7 @@ LL | #[derive(Clone)] | = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) -error: aborting due to 2 previous errors +error: aborting due to 3 previous errors -Some errors have detailed explanations: E0428, E0782. -For more information about an error, try `rustc --explain E0428`. +Some errors have detailed explanations: E0277, E0428, E0782. +For more information about an error, try `rustc --explain E0277`. diff --git a/tests/ui/traits/issue-28576.rs b/tests/ui/traits/issue-28576.rs index 972c839b648..e19bd263581 100644 --- a/tests/ui/traits/issue-28576.rs +++ b/tests/ui/traits/issue-28576.rs @@ -3,6 +3,8 @@ pub trait Foo<RHS=Self> { } pub trait Bar: Foo<Assoc=()> { + //~^ ERROR: the size for values of type `Self` cannot be known + //~| ERROR: the size for values of type `Self` cannot be known fn new(&self, b: & dyn Bar //~ ERROR the trait `Bar` cannot be made into an object <Assoc=()> diff --git a/tests/ui/traits/issue-28576.stderr b/tests/ui/traits/issue-28576.stderr index 3b45a510341..96e8aaee23d 100644 --- a/tests/ui/traits/issue-28576.stderr +++ b/tests/ui/traits/issue-28576.stderr @@ -1,5 +1,5 @@ error[E0038]: the trait `Bar` cannot be made into an object - --> $DIR/issue-28576.rs:7:12 + --> $DIR/issue-28576.rs:9:12 | LL | / dyn Bar LL | | <Assoc=()> @@ -19,6 +19,47 @@ help: consider using an opaque type instead LL | impl Bar | ~~~~ -error: aborting due to 1 previous error +error[E0277]: the size for values of type `Self` cannot be known at compilation time + --> $DIR/issue-28576.rs:5:16 + | +LL | pub trait Bar: Foo<Assoc=()> { + | ^^^^^^^^^^^^^ doesn't have a size known at compile-time + | +note: required by a bound in `Foo` + --> $DIR/issue-28576.rs:1:15 + | +LL | pub trait Foo<RHS=Self> { + | ^^^^^^^^ required by this bound in `Foo` +help: consider further restricting `Self` + | +LL | pub trait Bar: Foo<Assoc=()> + Sized { + | +++++++ +help: consider relaxing the implicit `Sized` restriction + | +LL | pub trait Foo<RHS=Self: ?Sized> { + | ++++++++ + +error[E0277]: the size for values of type `Self` cannot be known at compilation time + --> $DIR/issue-28576.rs:5:16 + | +LL | pub trait Bar: Foo<Assoc=()> { + | ^^^^^^^^^^^^^ doesn't have a size known at compile-time + | +note: required by a bound in `Foo` + --> $DIR/issue-28576.rs:1:15 + | +LL | pub trait Foo<RHS=Self> { + | ^^^^^^^^ required by this bound in `Foo` +help: consider further restricting `Self` + | +LL | ) where Self: Sized; + | +++++++++++++++++ +help: consider relaxing the implicit `Sized` restriction + | +LL | pub trait Foo<RHS=Self: ?Sized> { + | ++++++++ + +error: aborting due to 3 previous errors -For more information about this error, try `rustc --explain E0038`. +Some errors have detailed explanations: E0038, E0277. +For more information about an error, try `rustc --explain E0038`. diff --git a/tests/ui/traits/issue-38404.rs b/tests/ui/traits/issue-38404.rs index 05921b2c36e..9b60116f733 100644 --- a/tests/ui/traits/issue-38404.rs +++ b/tests/ui/traits/issue-38404.rs @@ -1,7 +1,8 @@ trait A<T>: std::ops::Add<Self> + Sized {} trait B<T>: A<T> {} -trait C<T>: A<dyn B<T, Output=usize>> {} +trait C<T>: A<dyn B<T, Output = usize>> {} //~^ ERROR the trait `B` cannot be made into an object //~| ERROR the trait `B` cannot be made into an object +//~| ERROR the trait `B` cannot be made into an object fn main() {} diff --git a/tests/ui/traits/issue-38404.stderr b/tests/ui/traits/issue-38404.stderr index a5c258eb36e..19d4035b54c 100644 --- a/tests/ui/traits/issue-38404.stderr +++ b/tests/ui/traits/issue-38404.stderr @@ -1,8 +1,8 @@ error[E0038]: the trait `B` cannot be made into an object --> $DIR/issue-38404.rs:3:15 | -LL | trait C<T>: A<dyn B<T, Output=usize>> {} - | ^^^^^^^^^^^^^^^^^^^^^^ `B` cannot be made into an object +LL | trait C<T>: A<dyn B<T, Output = usize>> {} + | ^^^^^^^^^^^^^^^^^^^^^^^^ `B` cannot be made into an object | 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> --> $DIR/issue-38404.rs:1:13 @@ -15,8 +15,8 @@ LL | trait B<T>: A<T> {} error[E0038]: the trait `B` cannot be made into an object --> $DIR/issue-38404.rs:3:15 | -LL | trait C<T>: A<dyn B<T, Output=usize>> {} - | ^^^^^^^^^^^^^^^^^^^^^^ `B` cannot be made into an object +LL | trait C<T>: A<dyn B<T, Output = usize>> {} + | ^^^^^^^^^^^^^^^^^^^^^^^^ `B` cannot be made into an object | 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> --> $DIR/issue-38404.rs:1:13 @@ -27,6 +27,21 @@ LL | trait B<T>: A<T> {} | - this trait cannot be made into an object... = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -error: aborting due to 2 previous errors +error[E0038]: the trait `B` cannot be made into an object + --> $DIR/issue-38404.rs:3:15 + | +LL | trait C<T>: A<dyn B<T, Output = usize>> {} + | ^^^^^^^^^^^^^^^^^^^^^^^^ `B` cannot be made into an object + | +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> + --> $DIR/issue-38404.rs:1:13 + | +LL | trait A<T>: std::ops::Add<Self> + Sized {} + | ^^^^^^^^^^^^^^^^^^^ ...because it uses `Self` as a type parameter +LL | trait B<T>: A<T> {} + | - this trait cannot be made into an object... + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0038`. diff --git a/tests/ui/traits/issue-87558.rs b/tests/ui/traits/issue-87558.rs index c5d86bd637b..76f0f7453dd 100644 --- a/tests/ui/traits/issue-87558.rs +++ b/tests/ui/traits/issue-87558.rs @@ -3,6 +3,8 @@ struct Error(ErrorKind); impl Fn(&isize) for Error { //~^ ERROR manual implementations of `Fn` are experimental //~| ERROR associated type bindings are not allowed here + //~| ERROR closure, found `Error` + //~| ERROR not all trait items implemented, missing: `call` fn from() {} //~ ERROR method `from` is not a member of trait `Fn` } diff --git a/tests/ui/traits/issue-87558.stderr b/tests/ui/traits/issue-87558.stderr index b647f9794bd..1ce273a9f25 100644 --- a/tests/ui/traits/issue-87558.stderr +++ b/tests/ui/traits/issue-87558.stderr @@ -1,5 +1,5 @@ error[E0407]: method `from` is not a member of trait `Fn` - --> $DIR/issue-87558.rs:6:5 + --> $DIR/issue-87558.rs:8:5 | LL | fn from() {} | ^^^^^^^^^^^^ not a member of trait `Fn` @@ -24,7 +24,25 @@ help: parenthesized trait syntax expands to `Fn<(&isize,), Output=()>` LL | impl Fn(&isize) for Error { | ^^^^^^^^^^ -error: aborting due to 3 previous errors +error[E0277]: expected a `FnMut(&isize)` closure, found `Error` + --> $DIR/issue-87558.rs:3:21 + | +LL | impl Fn(&isize) for Error { + | ^^^^^ expected an `FnMut(&isize)` closure, found `Error` + | + = help: the trait `FnMut<(&isize,)>` is not implemented for `Error` +note: required by a bound in `Fn` + --> $SRC_DIR/core/src/ops/function.rs:LL:COL + +error[E0046]: not all trait items implemented, missing: `call` + --> $DIR/issue-87558.rs:3:1 + | +LL | impl Fn(&isize) for Error { + | ^^^^^^^^^^^^^^^^^^^^^^^^^ missing `call` in implementation + | + = help: implement the missing item: `fn call(&self, _: (&isize,)) -> <Self as FnOnce<(&isize,)>>::Output { todo!() }` + +error: aborting due to 5 previous errors -Some errors have detailed explanations: E0183, E0229, E0407. -For more information about an error, try `rustc --explain E0183`. +Some errors have detailed explanations: E0046, E0183, E0229, E0277, E0407. +For more information about an error, try `rustc --explain E0046`. diff --git a/tests/ui/traits/non_lifetime_binders/late-bound-in-anon-ct.rs b/tests/ui/traits/non_lifetime_binders/late-bound-in-anon-ct.rs index 64f09f823fc..94733f88c2d 100644 --- a/tests/ui/traits/non_lifetime_binders/late-bound-in-anon-ct.rs +++ b/tests/ui/traits/non_lifetime_binders/late-bound-in-anon-ct.rs @@ -6,6 +6,6 @@ fn foo() -> usize where for<T> [i32; { let _: T = todo!(); 0 }]:, //~^ ERROR cannot capture late-bound type parameter in constant -{} +{ 42 } fn main() {} diff --git a/tests/ui/traits/object/object-unsafe-missing-assoc-type.rs b/tests/ui/traits/object/object-unsafe-missing-assoc-type.rs index 21f7fd92e80..c83be544c0a 100644 --- a/tests/ui/traits/object/object-unsafe-missing-assoc-type.rs +++ b/tests/ui/traits/object/object-unsafe-missing-assoc-type.rs @@ -3,5 +3,8 @@ trait Foo { } fn bar(x: &dyn Foo) {} //~ ERROR the trait `Foo` cannot be made into an object +//~^ ERROR the trait `Foo` cannot be made into an object +//~| ERROR the trait `Foo` cannot be made into an object +//~| ERROR the trait `Foo` cannot be made into an object fn main() {} diff --git a/tests/ui/traits/object/object-unsafe-missing-assoc-type.stderr b/tests/ui/traits/object/object-unsafe-missing-assoc-type.stderr index 196e74d3960..4c636c5e922 100644 --- a/tests/ui/traits/object/object-unsafe-missing-assoc-type.stderr +++ b/tests/ui/traits/object/object-unsafe-missing-assoc-type.stderr @@ -13,6 +13,53 @@ LL | type Bar<T>; | ^^^ ...because it contains the generic associated type `Bar` = help: consider moving `Bar` to another trait -error: aborting due to 1 previous error +error[E0038]: the trait `Foo` cannot be made into an object + --> $DIR/object-unsafe-missing-assoc-type.rs:5:16 + | +LL | fn bar(x: &dyn Foo) {} + | ^^^ `Foo` cannot be made into an object + | +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> + --> $DIR/object-unsafe-missing-assoc-type.rs:2:10 + | +LL | trait Foo { + | --- this trait cannot be made into an object... +LL | type Bar<T>; + | ^^^ ...because it contains the generic associated type `Bar` + = help: consider moving `Bar` to another trait + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error[E0038]: the trait `Foo` cannot be made into an object + --> $DIR/object-unsafe-missing-assoc-type.rs:5:16 + | +LL | fn bar(x: &dyn Foo) {} + | ^^^ `Foo` cannot be made into an object + | +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> + --> $DIR/object-unsafe-missing-assoc-type.rs:2:10 + | +LL | trait Foo { + | --- this trait cannot be made into an object... +LL | type Bar<T>; + | ^^^ ...because it contains the generic associated type `Bar` + = help: consider moving `Bar` to another trait + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error[E0038]: the trait `Foo` cannot be made into an object + --> $DIR/object-unsafe-missing-assoc-type.rs:5:12 + | +LL | fn bar(x: &dyn Foo) {} + | ^^^^^^^ `Foo` cannot be made into an object + | +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> + --> $DIR/object-unsafe-missing-assoc-type.rs:2:10 + | +LL | trait Foo { + | --- this trait cannot be made into an object... +LL | type Bar<T>; + | ^^^ ...because it contains the generic associated type `Bar` + = help: consider moving `Bar` to another trait + +error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0038`. diff --git a/tests/ui/transmutability/issue-101739-2.rs b/tests/ui/transmutability/issue-101739-2.rs index e5a56ccc9e0..4cde9152032 100644 --- a/tests/ui/transmutability/issue-101739-2.rs +++ b/tests/ui/transmutability/issue-101739-2.rs @@ -16,6 +16,7 @@ mod assert { >() where Dst: BikeshedIntrinsicFrom< //~ ERROR trait takes at most 3 generic arguments but 6 generic arguments were supplied + //~^ ERROR: the constant `ASSUME_ALIGNMENT` is not of type `Assume` Src, Context, ASSUME_ALIGNMENT, diff --git a/tests/ui/transmutability/issue-101739-2.stderr b/tests/ui/transmutability/issue-101739-2.stderr index d5ed205d14b..aed47f33f0d 100644 --- a/tests/ui/transmutability/issue-101739-2.stderr +++ b/tests/ui/transmutability/issue-101739-2.stderr @@ -9,6 +9,22 @@ LL | | ASSUME_VALIDITY, LL | | ASSUME_VISIBILITY, | |_____________________________- help: remove these generic arguments -error: aborting due to 1 previous error +error: the constant `ASSUME_ALIGNMENT` is not of type `Assume` + --> $DIR/issue-101739-2.rs:18:14 + | +LL | Dst: BikeshedIntrinsicFrom< + | ______________^ +LL | | +LL | | Src, +LL | | Context, +... | +LL | | ASSUME_VISIBILITY, +LL | | >, + | |_________^ expected `Assume`, found `bool` + | +note: required by a bound in `BikeshedIntrinsicFrom` + --> $SRC_DIR/core/src/mem/transmutability.rs:LL:COL + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0107`. diff --git a/tests/ui/transmutability/structs/repr/transmute_infinitely_recursive_type.rs b/tests/ui/transmutability/structs/repr/transmute_infinitely_recursive_type.rs new file mode 100644 index 00000000000..0be5b41c80b --- /dev/null +++ b/tests/ui/transmutability/structs/repr/transmute_infinitely_recursive_type.rs @@ -0,0 +1,26 @@ +//~ ERROR: cycle detected +//! Safe transmute did not handle cycle errors that could occur during +//! layout computation. This test checks that we do not ICE in such +//! situations (see #117491). +#![crate_type = "lib"] +#![feature(transmutability)] +#![allow(dead_code, incomplete_features, non_camel_case_types)] + +mod assert { + use std::mem::{Assume, BikeshedIntrinsicFrom}; + pub struct Context; + + pub fn is_maybe_transmutable<Src, Dst>() + where + Dst: BikeshedIntrinsicFrom<Src, Context>, + { + } +} + +fn should_pad_explicitly_packed_field() { + #[repr(C)] + struct ExplicitlyPadded(ExplicitlyPadded); + //~^ ERROR: recursive type + + assert::is_maybe_transmutable::<ExplicitlyPadded, ()>(); +} diff --git a/tests/ui/transmutability/structs/repr/transmute_infinitely_recursive_type.stderr b/tests/ui/transmutability/structs/repr/transmute_infinitely_recursive_type.stderr new file mode 100644 index 00000000000..0dedd5aaf73 --- /dev/null +++ b/tests/ui/transmutability/structs/repr/transmute_infinitely_recursive_type.stderr @@ -0,0 +1,21 @@ +error[E0072]: recursive type `ExplicitlyPadded` has infinite size + --> $DIR/transmute_infinitely_recursive_type.rs:22:5 + | +LL | struct ExplicitlyPadded(ExplicitlyPadded); + | ^^^^^^^^^^^^^^^^^^^^^^^ ---------------- recursive without indirection + | +help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to break the cycle + | +LL | struct ExplicitlyPadded(Box<ExplicitlyPadded>); + | ++++ + + +error[E0391]: cycle detected when computing layout of `should_pad_explicitly_packed_field::ExplicitlyPadded` + | + = note: ...which immediately requires computing layout of `should_pad_explicitly_packed_field::ExplicitlyPadded` again + = note: cycle used when evaluating trait selection obligation `(): core::mem::transmutability::BikeshedIntrinsicFrom<should_pad_explicitly_packed_field::ExplicitlyPadded, assert::Context, core::mem::transmutability::Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` + = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information + +error: aborting due to 2 previous errors + +Some errors have detailed explanations: E0072, E0391. +For more information about an error, try `rustc --explain E0072`. diff --git a/tests/ui/type-alias-impl-trait/issue-77179.rs b/tests/ui/type-alias-impl-trait/issue-77179.rs index e7b04a48975..093aeb4b279 100644 --- a/tests/ui/type-alias-impl-trait/issue-77179.rs +++ b/tests/ui/type-alias-impl-trait/issue-77179.rs @@ -1,4 +1,4 @@ -// Regression test for #77179. +// Regression test for the ICE in #77179. #![feature(type_alias_impl_trait)] diff --git a/tests/ui/typeck/escaping_bound_vars.rs b/tests/ui/typeck/escaping_bound_vars.rs index 1fb063d2c26..f886388bfbd 100644 --- a/tests/ui/typeck/escaping_bound_vars.rs +++ b/tests/ui/typeck/escaping_bound_vars.rs @@ -10,6 +10,10 @@ pub fn test() where (): Test<{ 1 + (<() as Elide(&())>::call) }>, //~^ ERROR cannot capture late-bound lifetime in constant + //~| ERROR associated type bindings are not allowed here + //~| ERROR the trait bound `(): Elide<(&(),)>` is not satisfied + //~| ERROR the trait bound `(): Elide<(&(),)>` is not satisfied + //~| ERROR cannot add { } diff --git a/tests/ui/typeck/escaping_bound_vars.stderr b/tests/ui/typeck/escaping_bound_vars.stderr index 3ea40943577..8c7dcdb7f16 100644 --- a/tests/ui/typeck/escaping_bound_vars.stderr +++ b/tests/ui/typeck/escaping_bound_vars.stderr @@ -6,5 +6,55 @@ LL | (): Test<{ 1 + (<() as Elide(&())>::call) }>, | | | lifetime defined here -error: aborting due to 1 previous error +error[E0229]: associated type bindings are not allowed here + --> $DIR/escaping_bound_vars.rs:11:28 + | +LL | (): Test<{ 1 + (<() as Elide(&())>::call) }>, + | ^^^^^^^^^^ associated type not allowed here + +error[E0277]: the trait bound `(): Elide<(&(),)>` is not satisfied + --> $DIR/escaping_bound_vars.rs:11:22 + | +LL | (): Test<{ 1 + (<() as Elide(&())>::call) }>, + | ^^ the trait `Elide<(&(),)>` is not implemented for `()` + | +help: this trait has no implementations, consider adding one + --> $DIR/escaping_bound_vars.rs:5:1 + | +LL | trait Elide<T> { + | ^^^^^^^^^^^^^^ + +error[E0277]: cannot add `fn() {<() as Elide<(&(),)>>::call}` to `{integer}` + --> $DIR/escaping_bound_vars.rs:11:18 + | +LL | (): Test<{ 1 + (<() as Elide(&())>::call) }>, + | ^ no implementation for `{integer} + fn() {<() as Elide<(&(),)>>::call}` + | + = help: the trait `Add<fn() {<() as Elide<(&(),)>>::call}>` is not implemented for `{integer}` + = help: the following other types implement trait `Add<Rhs>`: + <isize as Add> + <isize as Add<&isize>> + <i8 as Add> + <i8 as Add<&i8>> + <i16 as Add> + <i16 as Add<&i16>> + <i32 as Add> + <i32 as Add<&i32>> + and 48 others + +error[E0277]: the trait bound `(): Elide<(&(),)>` is not satisfied + --> $DIR/escaping_bound_vars.rs:11:18 + | +LL | (): Test<{ 1 + (<() as Elide(&())>::call) }>, + | ^ the trait `Elide<(&(),)>` is not implemented for `()` + | +help: this trait has no implementations, consider adding one + --> $DIR/escaping_bound_vars.rs:5:1 + | +LL | trait Elide<T> { + | ^^^^^^^^^^^^^^ + +error: aborting due to 5 previous errors +Some errors have detailed explanations: E0229, E0277. +For more information about an error, try `rustc --explain E0229`. diff --git a/tests/ui/typeck/issue-110052.rs b/tests/ui/typeck/issue-110052.rs index f124b58b5b6..acbfac30acb 100644 --- a/tests/ui/typeck/issue-110052.rs +++ b/tests/ui/typeck/issue-110052.rs @@ -1,7 +1,7 @@ // Makes sure we deal with escaping lifetimes *above* INNERMOST when // suggesting trait for ambiguous associated type. -impl<I, V> Validator<I> for () +impl<I> Validator<I> for () where for<'iter> dyn Validator<<&'iter I>::Item>:, //~^ ERROR ambiguous associated type diff --git a/tests/ui/typeck/issue-79040.rs b/tests/ui/typeck/issue-79040.rs index 94161254220..03e00820756 100644 --- a/tests/ui/typeck/issue-79040.rs +++ b/tests/ui/typeck/issue-79040.rs @@ -1,5 +1,6 @@ fn main() { const FOO = "hello" + 1; //~ ERROR cannot add `{integer}` to `&str` //~^ missing type for `const` item + //~| ERROR cannot add `{integer}` to `&str` println!("{}", FOO); } diff --git a/tests/ui/typeck/issue-79040.stderr b/tests/ui/typeck/issue-79040.stderr index c820d1e08c4..ce6a4b36217 100644 --- a/tests/ui/typeck/issue-79040.stderr +++ b/tests/ui/typeck/issue-79040.stderr @@ -12,6 +12,16 @@ error: missing type for `const` item LL | const FOO = "hello" + 1; | ^ help: provide a type for the item: `: <type>` -error: aborting due to 2 previous errors +error[E0369]: cannot add `{integer}` to `&str` + --> $DIR/issue-79040.rs:2:25 + | +LL | const FOO = "hello" + 1; + | ------- ^ - {integer} + | | + | &str + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0369`. diff --git a/tests/ui/typeck/typeck-builtin-bound-type-parameters.rs b/tests/ui/typeck/typeck-builtin-bound-type-parameters.rs index e7e62c07739..5e5e88c8d0d 100644 --- a/tests/ui/typeck/typeck-builtin-bound-type-parameters.rs +++ b/tests/ui/typeck/typeck-builtin-bound-type-parameters.rs @@ -4,11 +4,12 @@ fn foo1<T:Copy<U>, U>(x: T) {} trait Trait: Copy<dyn Send> {} //~^ ERROR trait takes 0 generic arguments but 1 generic argument was supplied //~| ERROR trait takes 0 generic arguments but 1 generic argument was supplied +//~| ERROR trait takes 0 generic arguments but 1 generic argument was supplied -struct MyStruct1<T: Copy<T>>; +struct MyStruct1<T: Copy<T>>(T); //~^ ERROR trait takes 0 generic arguments but 1 generic argument was supplied -struct MyStruct2<'a, T: Copy<'a>>; +struct MyStruct2<'a, T: Copy<'a>>(&'a T); //~^ ERROR trait takes 0 lifetime arguments but 1 lifetime argument was supplied fn foo2<'a, T:Copy<'a, U>, U>(x: T) {} diff --git a/tests/ui/typeck/typeck-builtin-bound-type-parameters.stderr b/tests/ui/typeck/typeck-builtin-bound-type-parameters.stderr index 67ca2b061f9..1dc1d46aa71 100644 --- a/tests/ui/typeck/typeck-builtin-bound-type-parameters.stderr +++ b/tests/ui/typeck/typeck-builtin-bound-type-parameters.stderr @@ -25,23 +25,23 @@ LL | trait Trait: Copy<dyn Send> {} = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied - --> $DIR/typeck-builtin-bound-type-parameters.rs:8:21 + --> $DIR/typeck-builtin-bound-type-parameters.rs:9:21 | -LL | struct MyStruct1<T: Copy<T>>; +LL | struct MyStruct1<T: Copy<T>>(T); | ^^^^--- help: remove these generics | | | expected 0 generic arguments error[E0107]: trait takes 0 lifetime arguments but 1 lifetime argument was supplied - --> $DIR/typeck-builtin-bound-type-parameters.rs:11:25 + --> $DIR/typeck-builtin-bound-type-parameters.rs:12:25 | -LL | struct MyStruct2<'a, T: Copy<'a>>; +LL | struct MyStruct2<'a, T: Copy<'a>>(&'a T); | ^^^^---- help: remove these generics | | | expected 0 lifetime arguments error[E0107]: trait takes 0 lifetime arguments but 1 lifetime argument was supplied - --> $DIR/typeck-builtin-bound-type-parameters.rs:14:15 + --> $DIR/typeck-builtin-bound-type-parameters.rs:15:15 | LL | fn foo2<'a, T:Copy<'a, U>, U>(x: T) {} | ^^^^ -- help: remove this lifetime argument @@ -49,13 +49,23 @@ LL | fn foo2<'a, T:Copy<'a, U>, U>(x: T) {} | expected 0 lifetime arguments error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied - --> $DIR/typeck-builtin-bound-type-parameters.rs:14:15 + --> $DIR/typeck-builtin-bound-type-parameters.rs:15:15 | LL | fn foo2<'a, T:Copy<'a, U>, U>(x: T) {} | ^^^^ - help: remove this generic argument | | | expected 0 generic arguments -error: aborting due to 7 previous errors +error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied + --> $DIR/typeck-builtin-bound-type-parameters.rs:4:14 + | +LL | trait Trait: Copy<dyn Send> {} + | ^^^^---------- help: remove these generics + | | + | expected 0 generic arguments + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 8 previous errors For more information about this error, try `rustc --explain E0107`. diff --git a/tests/ui/typeck/typeck_type_placeholder_item.rs b/tests/ui/typeck/typeck_type_placeholder_item.rs index 4eba14f5a93..f6d1fb6a23d 100644 --- a/tests/ui/typeck/typeck_type_placeholder_item.rs +++ b/tests/ui/typeck/typeck_type_placeholder_item.rs @@ -198,6 +198,7 @@ trait Qux { //~^ ERROR the placeholder `_` is not allowed within types on item signatures for associated types } impl Qux for Struct { + //~^ ERROR: not all trait items implemented, missing: `F` type A = _; //~^ ERROR the placeholder `_` is not allowed within types on item signatures for associated types type B = _; diff --git a/tests/ui/typeck/typeck_type_placeholder_item.stderr b/tests/ui/typeck/typeck_type_placeholder_item.stderr index a4325b01f02..bfcc76c1dae 100644 --- a/tests/ui/typeck/typeck_type_placeholder_item.stderr +++ b/tests/ui/typeck/typeck_type_placeholder_item.stderr @@ -29,7 +29,7 @@ LL | struct BadStruct2<_, T>(_, T); | ^ expected identifier, found reserved identifier error: associated constant in `impl` without body - --> $DIR/typeck_type_placeholder_item.rs:205:5 + --> $DIR/typeck_type_placeholder_item.rs:206:5 | LL | const C: _; | ^^^^^^^^^^- @@ -411,7 +411,7 @@ LL | type Y = impl Trait<_>; | ^ not allowed in type signatures error[E0121]: the placeholder `_` is not allowed within types on item signatures for return types - --> $DIR/typeck_type_placeholder_item.rs:216:31 + --> $DIR/typeck_type_placeholder_item.rs:217:31 | LL | fn value() -> Option<&'static _> { | ----------------^- @@ -420,7 +420,7 @@ LL | fn value() -> Option<&'static _> { | help: replace with the correct return type: `Option<&'static u8>` error[E0121]: the placeholder `_` is not allowed within types on item signatures for constants - --> $DIR/typeck_type_placeholder_item.rs:221:10 + --> $DIR/typeck_type_placeholder_item.rs:222:10 | LL | const _: Option<_> = map(value); | ^^^^^^^^^ @@ -429,7 +429,7 @@ LL | const _: Option<_> = map(value); | help: replace with the correct type: `Option<u8>` error[E0121]: the placeholder `_` is not allowed within types on item signatures for return types - --> $DIR/typeck_type_placeholder_item.rs:224:31 + --> $DIR/typeck_type_placeholder_item.rs:225:31 | LL | fn evens_squared(n: usize) -> _ { | ^ @@ -438,13 +438,13 @@ LL | fn evens_squared(n: usize) -> _ { | help: replace with an appropriate return type: `impl Iterator<Item = usize>` error[E0121]: the placeholder `_` is not allowed within types on item signatures for constants - --> $DIR/typeck_type_placeholder_item.rs:229:10 + --> $DIR/typeck_type_placeholder_item.rs:230:10 | LL | const _: _ = (1..10).filter(|x| x % 2 == 0).map(|x| x * x); | ^ not allowed in type signatures | -note: however, the inferred type `Map<Filter<Range<i32>, {closure@typeck_type_placeholder_item.rs:229:29}>, {closure@typeck_type_placeholder_item.rs:229:49}>` cannot be named - --> $DIR/typeck_type_placeholder_item.rs:229:14 +note: however, the inferred type `Map<Filter<Range<i32>, {closure@typeck_type_placeholder_item.rs:230:29}>, {closure@typeck_type_placeholder_item.rs:230:49}>` cannot be named + --> $DIR/typeck_type_placeholder_item.rs:230:14 | LL | const _: _ = (1..10).filter(|x| x % 2 == 0).map(|x| x * x); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -631,25 +631,25 @@ LL | fn clone_from(&mut self, other: &FnTest9) { *self = FnTest9; } | ~~~~~~~~ error[E0121]: the placeholder `_` is not allowed within types on item signatures for associated types - --> $DIR/typeck_type_placeholder_item.rs:201:14 + --> $DIR/typeck_type_placeholder_item.rs:202:14 | LL | type A = _; | ^ not allowed in type signatures error[E0121]: the placeholder `_` is not allowed within types on item signatures for associated types - --> $DIR/typeck_type_placeholder_item.rs:203:14 + --> $DIR/typeck_type_placeholder_item.rs:204:14 | LL | type B = _; | ^ not allowed in type signatures error[E0121]: the placeholder `_` is not allowed within types on item signatures for associated constants - --> $DIR/typeck_type_placeholder_item.rs:205:14 + --> $DIR/typeck_type_placeholder_item.rs:206:14 | LL | const C: _; | ^ not allowed in type signatures error[E0121]: the placeholder `_` is not allowed within types on item signatures for associated constants - --> $DIR/typeck_type_placeholder_item.rs:208:14 + --> $DIR/typeck_type_placeholder_item.rs:209:14 | LL | const D: _ = 42; | ^ @@ -657,7 +657,16 @@ LL | const D: _ = 42; | not allowed in type signatures | help: replace with the correct type: `i32` -error: aborting due to 71 previous errors +error[E0046]: not all trait items implemented, missing: `F` + --> $DIR/typeck_type_placeholder_item.rs:200:1 + | +LL | type F: std::ops::Fn(_); + | ----------------------- `F` from trait +... +LL | impl Qux for Struct { + | ^^^^^^^^^^^^^^^^^^^ missing `F` in implementation + +error: aborting due to 72 previous errors -Some errors have detailed explanations: E0121, E0282, E0403. -For more information about an error, try `rustc --explain E0121`. +Some errors have detailed explanations: E0046, E0121, E0282, E0403. +For more information about an error, try `rustc --explain E0046`. diff --git a/tests/ui/typeck/typeck_type_placeholder_item_help.rs b/tests/ui/typeck/typeck_type_placeholder_item_help.rs index 914f8a2b28b..ff6182588c7 100644 --- a/tests/ui/typeck/typeck_type_placeholder_item_help.rs +++ b/tests/ui/typeck/typeck_type_placeholder_item_help.rs @@ -27,7 +27,7 @@ impl Test6 { } pub fn main() { - let _: Option<usize> = test1(); - let _: f64 = test1(); + let _: Option<usize> = test1(); //~ ERROR mismatched types + let _: f64 = test1(); //~ ERROR mismatched types let _: Option<i32> = test1(); } diff --git a/tests/ui/typeck/typeck_type_placeholder_item_help.stderr b/tests/ui/typeck/typeck_type_placeholder_item_help.stderr index ed6f4088019..b0d4ed8272b 100644 --- a/tests/ui/typeck/typeck_type_placeholder_item_help.stderr +++ b/tests/ui/typeck/typeck_type_placeholder_item_help.stderr @@ -55,6 +55,29 @@ LL | const TEST6: _ = 13; | not allowed in type signatures | help: replace with the correct type: `i32` -error: aborting due to 7 previous errors +error[E0308]: mismatched types + --> $DIR/typeck_type_placeholder_item_help.rs:30:28 + | +LL | let _: Option<usize> = test1(); + | ------------- ^^^^^^^ expected `Option<usize>`, found `Option<i32>` + | | + | expected due to this + | + = note: expected enum `Option<usize>` + found enum `Option<i32>` + +error[E0308]: mismatched types + --> $DIR/typeck_type_placeholder_item_help.rs:31:18 + | +LL | let _: f64 = test1(); + | --- ^^^^^^^ expected `f64`, found `Option<i32>` + | | + | expected due to this + | + = note: expected type `f64` + found enum `Option<i32>` + +error: aborting due to 9 previous errors -For more information about this error, try `rustc --explain E0121`. +Some errors have detailed explanations: E0121, E0308. +For more information about an error, try `rustc --explain E0121`. diff --git a/tests/ui/unboxed-closures/unboxed-closure-sugar-region.rs b/tests/ui/unboxed-closures/unboxed-closure-sugar-region.rs index c575f507704..ea73b8b3c4a 100644 --- a/tests/ui/unboxed-closures/unboxed-closure-sugar-region.rs +++ b/tests/ui/unboxed-closures/unboxed-closure-sugar-region.rs @@ -21,10 +21,12 @@ fn same_type<A,B:Eq<A>>(a: A, b: B) { } fn test<'a,'b>() { // Parens are equivalent to omitting default in angle. eq::< dyn Foo<(isize,),Output=()>, dyn Foo(isize) >(); + //~^ ERROR trait takes 1 lifetime argument but 0 lifetime arguments were supplied // Here we specify 'static explicitly in angle-bracket version. // Parenthesized winds up getting inferred. eq::< dyn Foo<'static, (isize,),Output=()>, dyn Foo(isize) >(); + //~^ ERROR trait takes 1 lifetime argument but 0 lifetime arguments were supplied } fn test2(x: &dyn Foo<(isize,),Output=()>, y: &dyn Foo(isize)) { diff --git a/tests/ui/unboxed-closures/unboxed-closure-sugar-region.stderr b/tests/ui/unboxed-closures/unboxed-closure-sugar-region.stderr index 0465c20dffa..d73aef851fd 100644 --- a/tests/ui/unboxed-closures/unboxed-closure-sugar-region.stderr +++ b/tests/ui/unboxed-closures/unboxed-closure-sugar-region.stderr @@ -1,5 +1,5 @@ error[E0107]: trait takes 1 lifetime argument but 0 lifetime arguments were supplied - --> $DIR/unboxed-closure-sugar-region.rs:30:51 + --> $DIR/unboxed-closure-sugar-region.rs:32:51 | LL | fn test2(x: &dyn Foo<(isize,),Output=()>, y: &dyn Foo(isize)) { | ^^^ expected 1 lifetime argument @@ -10,6 +10,30 @@ note: trait defined here, with 1 lifetime parameter: `'a` LL | trait Foo<'a,T> { | ^^^ -- -error: aborting due to 1 previous error +error[E0107]: trait takes 1 lifetime argument but 0 lifetime arguments were supplied + --> $DIR/unboxed-closure-sugar-region.rs:23:58 + | +LL | eq::< dyn Foo<(isize,),Output=()>, dyn Foo(isize) >(); + | ^^^ expected 1 lifetime argument + | +note: trait defined here, with 1 lifetime parameter: `'a` + --> $DIR/unboxed-closure-sugar-region.rs:10:7 + | +LL | trait Foo<'a,T> { + | ^^^ -- + +error[E0107]: trait takes 1 lifetime argument but 0 lifetime arguments were supplied + --> $DIR/unboxed-closure-sugar-region.rs:28:58 + | +LL | eq::< dyn Foo<'static, (isize,),Output=()>, dyn Foo(isize) >(); + | ^^^ expected 1 lifetime argument + | +note: trait defined here, with 1 lifetime parameter: `'a` + --> $DIR/unboxed-closure-sugar-region.rs:10:7 + | +LL | trait Foo<'a,T> { + | ^^^ -- + +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0107`. diff --git a/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters.rs b/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters.rs index 2c7e12f3257..43db7870ada 100644 --- a/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters.rs +++ b/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters.rs @@ -2,25 +2,25 @@ trait Zero { fn dummy(&self); } -fn foo1(_: dyn Zero()) { +fn foo1(_: &dyn Zero()) { //~^ ERROR trait takes 0 generic arguments but 1 generic argument //~| ERROR associated type `Output` not found for `Zero` } -fn foo2(_: dyn Zero<usize>) { +fn foo2(_: &dyn Zero<usize>) { //~^ ERROR trait takes 0 generic arguments but 1 generic argument } -fn foo3(_: dyn Zero < usize >) { +fn foo3(_: &dyn Zero < usize >) { //~^ ERROR trait takes 0 generic arguments but 1 generic argument } -fn foo4(_: dyn Zero(usize)) { +fn foo4(_: &dyn Zero(usize)) { //~^ ERROR trait takes 0 generic arguments but 1 generic argument //~| ERROR associated type `Output` not found for `Zero` } -fn foo5(_: dyn Zero ( usize )) { +fn foo5(_: &dyn Zero ( usize )) { //~^ ERROR trait takes 0 generic arguments but 1 generic argument //~| ERROR associated type `Output` not found for `Zero` } diff --git a/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters.stderr b/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters.stderr index 50b90553aa7..5a2de132d70 100644 --- a/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters.stderr +++ b/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters.stderr @@ -1,10 +1,10 @@ error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied - --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:5:16 + --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:5:17 | -LL | fn foo1(_: dyn Zero()) { - | ^^^^-- help: remove these parenthetical generics - | | - | expected 0 generic arguments +LL | fn foo1(_: &dyn Zero()) { + | ^^^^-- help: remove these parenthetical generics + | | + | expected 0 generic arguments | note: trait defined here, with 0 generic parameters --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:3:7 @@ -13,18 +13,18 @@ LL | trait Zero { fn dummy(&self); } | ^^^^ error[E0220]: associated type `Output` not found for `Zero` - --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:5:16 + --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:5:17 | -LL | fn foo1(_: dyn Zero()) { - | ^^^^^^ associated type `Output` not found +LL | fn foo1(_: &dyn Zero()) { + | ^^^^^^ associated type `Output` not found error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied - --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:10:16 + --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:10:17 | -LL | fn foo2(_: dyn Zero<usize>) { - | ^^^^------- help: remove these generics - | | - | expected 0 generic arguments +LL | fn foo2(_: &dyn Zero<usize>) { + | ^^^^------- help: remove these generics + | | + | expected 0 generic arguments | note: trait defined here, with 0 generic parameters --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:3:7 @@ -33,12 +33,12 @@ LL | trait Zero { fn dummy(&self); } | ^^^^ error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied - --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:14:16 + --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:14:17 | -LL | fn foo3(_: dyn Zero < usize >) { - | ^^^^-------------- help: remove these generics - | | - | expected 0 generic arguments +LL | fn foo3(_: &dyn Zero < usize >) { + | ^^^^-------------- help: remove these generics + | | + | expected 0 generic arguments | note: trait defined here, with 0 generic parameters --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:3:7 @@ -47,12 +47,12 @@ LL | trait Zero { fn dummy(&self); } | ^^^^ error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied - --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:18:16 + --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:18:17 | -LL | fn foo4(_: dyn Zero(usize)) { - | ^^^^------- help: remove these parenthetical generics - | | - | expected 0 generic arguments +LL | fn foo4(_: &dyn Zero(usize)) { + | ^^^^------- help: remove these parenthetical generics + | | + | expected 0 generic arguments | note: trait defined here, with 0 generic parameters --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:3:7 @@ -61,18 +61,18 @@ LL | trait Zero { fn dummy(&self); } | ^^^^ error[E0220]: associated type `Output` not found for `Zero` - --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:18:16 + --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:18:17 | -LL | fn foo4(_: dyn Zero(usize)) { - | ^^^^^^^^^^^ associated type `Output` not found +LL | fn foo4(_: &dyn Zero(usize)) { + | ^^^^^^^^^^^ associated type `Output` not found error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied - --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:23:16 + --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:23:17 | -LL | fn foo5(_: dyn Zero ( usize )) { - | ^^^^-------------- help: remove these parenthetical generics - | | - | expected 0 generic arguments +LL | fn foo5(_: &dyn Zero ( usize )) { + | ^^^^-------------- help: remove these parenthetical generics + | | + | expected 0 generic arguments | note: trait defined here, with 0 generic parameters --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:3:7 @@ -81,10 +81,10 @@ LL | trait Zero { fn dummy(&self); } | ^^^^ error[E0220]: associated type `Output` not found for `Zero` - --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:23:16 + --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:23:17 | -LL | fn foo5(_: dyn Zero ( usize )) { - | ^^^^^^^^^^^^^^^^^^ associated type `Output` not found +LL | fn foo5(_: &dyn Zero ( usize )) { + | ^^^^^^^^^^^^^^^^^^ associated type `Output` not found error: aborting due to 8 previous errors diff --git a/triagebot.toml b/triagebot.toml index 5406500cec3..aac3a830a78 100644 --- a/triagebot.toml +++ b/triagebot.toml @@ -744,6 +744,12 @@ style-team = [ "@yaahc", ] +project-const-traits = [ + "@compiler-errors", + "@fee1-dead", + "@fmease", + "@oli-obk", +] project-stable-mir = [ "@celinval", "@oli-obk", |