Rollup of 10 pull requests

compiler/rustc_ast_passes/messages.ftl

@@ -188,6 +188,9 @@ ast_passes_module_nonascii = trying to load file for module `{$name}` with non-a
 ast_passes_negative_bound_not_supported =
     negative bounds are not supported
 
+ast_passes_negative_bound_with_parenthetical_notation =
+    parenthetical notation may not be used for negative bounds
+
 ast_passes_nested_impl_trait = nested `impl Trait` is not allowed
     .outer = outer `impl Trait`
     .inner = nested `impl Trait` here

compiler/rustc_ast_passes/src/ast_validation.rs

@@ -1312,13 +1312,24 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
         if let GenericBound::Trait(trait_ref, modifiers) = bound
             && let BoundPolarity::Negative(_) = modifiers.polarity
             && let Some(segment) = trait_ref.trait_ref.path.segments.last()
-            && let Some(ast::GenericArgs::AngleBracketed(args)) = segment.args.as_deref()
         {
-            for arg in &args.args {
-                if let ast::AngleBracketedArg::Constraint(constraint) = arg {
-                    self.dcx()
-                        .emit_err(errors::ConstraintOnNegativeBound { span: constraint.span });
+            match segment.args.as_deref() {
+                Some(ast::GenericArgs::AngleBracketed(args)) => {
+                    for arg in &args.args {
+                        if let ast::AngleBracketedArg::Constraint(constraint) = arg {
+                            self.dcx().emit_err(errors::ConstraintOnNegativeBound {
+                                span: constraint.span,
+                            });
+                        }
+                    }
+                }
+                // The lowered form of parenthesized generic args contains a type binding.
+                Some(ast::GenericArgs::Parenthesized(args)) => {
+                    self.dcx().emit_err(errors::NegativeBoundWithParentheticalNotation {
+                        span: args.span,
+                    });
                 }
+                None => {}
             }
         }
 

compiler/rustc_ast_passes/src/errors.rs

@@ -725,8 +725,8 @@ impl AddToDiagnostic for StableFeature {
             rustc_errors::SubdiagnosticMessage,
         ) -> rustc_errors::SubdiagnosticMessage,
     {
-        diag.set_arg("name", self.name);
-        diag.set_arg("since", self.since);
+        diag.arg("name", self.name);
+        diag.arg("since", self.since);
         diag.help(fluent::ast_passes_stable_since);
     }
 }
@@ -763,6 +763,13 @@ pub struct ConstraintOnNegativeBound {
     pub span: Span,
 }
 
+#[derive(Diagnostic)]
+#[diag(ast_passes_negative_bound_with_parenthetical_notation)]
+pub struct NegativeBoundWithParentheticalNotation {
+    #[primary_span]
+    pub span: Span,
+}
+
 #[derive(Diagnostic)]
 #[diag(ast_passes_invalid_unnamed_field_ty)]
 pub struct InvalidUnnamedFieldTy {

compiler/rustc_attr/src/session_diagnostics.rs

@@ -55,10 +55,10 @@ 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<_>>();
         let mut diag = DiagnosticBuilder::new(dcx, level, fluent::attr_unknown_meta_item);
-        diag.set_span(self.span);
+        diag.span(self.span);
         diag.code(error_code!(E0541));
-        diag.set_arg("item", self.item);
-        diag.set_arg("expected", expected.join(", "));
+        diag.arg("item", self.item);
+        diag.arg("expected", expected.join(", "));
         diag.span_label(self.span, fluent::attr_label);
         diag
     }
@@ -215,7 +215,7 @@ impl<'a, G: EmissionGuarantee> IntoDiagnostic<'a, G> for UnsupportedLiteral {
                 }
             },
         );
-        diag.set_span(self.span);
+        diag.span(self.span);
         diag.code(error_code!(E0565));
         if self.is_bytestr {
             diag.span_suggestion(

compiler/rustc_builtin_macros/src/errors.rs

@@ -454,7 +454,7 @@ impl<'a, G: EmissionGuarantee> IntoDiagnostic<'a, G> for EnvNotDefinedWithUserMe
             reason = "cannot translate user-provided messages"
         )]
         let mut diag = DiagnosticBuilder::new(dcx, level, self.msg_from_user.to_string());
-        diag.set_span(self.span);
+        diag.span(self.span);
         diag
     }
 }
@@ -618,7 +618,7 @@ impl AddToDiagnostic for FormatUnusedArg {
             rustc_errors::SubdiagnosticMessage,
         ) -> rustc_errors::SubdiagnosticMessage,
     {
-        diag.set_arg("named", self.named);
+        diag.arg("named", self.named);
         let msg = f(diag, crate::fluent_generated::builtin_macros_format_unused_arg.into());
         diag.span_label(self.span, msg);
     }
@@ -808,7 +808,7 @@ impl<'a, G: EmissionGuarantee> IntoDiagnostic<'a, G> for AsmClobberNoReg {
             level,
             crate::fluent_generated::builtin_macros_asm_clobber_no_reg,
         );
-        diag.set_span(self.spans.clone());
+        diag.span(self.spans.clone());
         // eager translation as `span_labels` takes `AsRef<str>`
         let lbl1 = dcx.eagerly_translate_to_string(
             crate::fluent_generated::builtin_macros_asm_clobber_abi,

compiler/rustc_builtin_macros/src/test.rs

@@ -395,10 +395,10 @@ fn not_testable_error(cx: &ExtCtxt<'_>, attr_sp: Span, item: Option<&ast::Item>)
         // 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),
-        _ => Level::Error { lint: false },
+        _ => Level::Error,
     };
     let mut err = DiagnosticBuilder::<()>::new(dcx, level, msg);
-    err.set_span(attr_sp);
+    err.span(attr_sp);
     if let Some(item) = item {
         err.span_label(
             item.span,

compiler/rustc_codegen_gcc/src/errors.rs

@@ -119,12 +119,12 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for TargetFeatureDisableOrEnabl
             fluent::codegen_gcc_target_feature_disable_or_enable
         );
         if let Some(span) = self.span {
-            diag.set_span(span);
+            diag.span(span);
         };
         if let Some(missing_features) = self.missing_features {
             diag.subdiagnostic(missing_features);
         }
-        diag.set_arg("features", self.features.join(", "));
+        diag.arg("features", self.features.join(", "));
         diag
     }
 }

compiler/rustc_codegen_llvm/src/back/write.rs

@@ -416,7 +416,7 @@ fn report_inline_asm(
         cookie = 0;
     }
     let level = match level {
-        llvm::DiagnosticLevel::Error => Level::Error { lint: false },
+        llvm::DiagnosticLevel::Error => Level::Error,
         llvm::DiagnosticLevel::Warning => Level::Warning(None),
         llvm::DiagnosticLevel::Note | llvm::DiagnosticLevel::Remark => Level::Note,
     };

compiler/rustc_codegen_llvm/src/errors.rs

@@ -107,7 +107,7 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for ParseTargetMachineConfig<'_
 
         let mut diag =
             DiagnosticBuilder::new(dcx, level, fluent::codegen_llvm_parse_target_machine_config);
-        diag.set_arg("error", message);
+        diag.arg("error", message);
         diag
     }
 }
@@ -130,12 +130,12 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for TargetFeatureDisableOrEnabl
             fluent::codegen_llvm_target_feature_disable_or_enable,
         );
         if let Some(span) = self.span {
-            diag.set_span(span);
+            diag.span(span);
         };
         if let Some(missing_features) = self.missing_features {
             diag.subdiagnostic(missing_features);
         }
-        diag.set_arg("features", self.features.join(", "));
+        diag.arg("features", self.features.join(", "));
         diag
     }
 }
@@ -205,8 +205,8 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for WithLlvmError<'_> {
             ParseBitcode => fluent::codegen_llvm_parse_bitcode_with_llvm_err,
         };
         let mut diag = self.0.into_diagnostic(dcx, level);
-        diag.set_primary_message(msg_with_llvm_err);
-        diag.set_arg("llvm_err", self.1);
+        diag.primary_message(msg_with_llvm_err);
+        diag.arg("llvm_err", self.1);
         diag
     }
 }

compiler/rustc_codegen_ssa/src/back/write.rs

@@ -1848,9 +1848,9 @@ impl SharedEmitterMain {
                 }
                 Ok(SharedEmitterMessage::InlineAsmError(cookie, msg, level, source)) => {
                     let err_level = match level {
-                        Level::Error { lint: false } => rustc_errors::Level::Error { lint: false },
-                        Level::Warning(_) => rustc_errors::Level::Warning(None),
-                        Level::Note => rustc_errors::Level::Note,
+                        Level::Error => Level::Error,
+                        Level::Warning(_) => Level::Warning(None),
+                        Level::Note => Level::Note,
                         _ => bug!("Invalid inline asm diagnostic level"),
                     };
                     let msg = msg.strip_prefix("error: ").unwrap_or(&msg).to_string();
@@ -1860,7 +1860,7 @@ impl SharedEmitterMain {
                     if cookie != 0 {
                         let pos = BytePos::from_u32(cookie);
                         let span = Span::with_root_ctxt(pos, pos);
-                        err.set_span(span);
+                        err.span(span);
                     };
 
                     // Point to the generated assembly if it is available.

compiler/rustc_codegen_ssa/src/errors.rs

@@ -244,30 +244,30 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for ThorinErrorWrapper {
             }
             thorin::Error::NamelessSection(_, offset) => {
                 diag = build(fluent::codegen_ssa_thorin_section_without_name);
-                diag.set_arg("offset", format!("0x{offset:08x}"));
+                diag.arg("offset", format!("0x{offset:08x}"));
                 diag
             }
             thorin::Error::RelocationWithInvalidSymbol(section, offset) => {
                 diag = build(fluent::codegen_ssa_thorin_relocation_with_invalid_symbol);
-                diag.set_arg("section", section);
-                diag.set_arg("offset", format!("0x{offset:08x}"));
+                diag.arg("section", section);
+                diag.arg("offset", format!("0x{offset:08x}"));
                 diag
             }
             thorin::Error::MultipleRelocations(section, offset) => {
                 diag = build(fluent::codegen_ssa_thorin_multiple_relocations);
-                diag.set_arg("section", section);
-                diag.set_arg("offset", format!("0x{offset:08x}"));
+                diag.arg("section", section);
+                diag.arg("offset", format!("0x{offset:08x}"));
                 diag
             }
             thorin::Error::UnsupportedRelocation(section, offset) => {
                 diag = build(fluent::codegen_ssa_thorin_unsupported_relocation);
-                diag.set_arg("section", section);
-                diag.set_arg("offset", format!("0x{offset:08x}"));
+                diag.arg("section", section);
+                diag.arg("offset", format!("0x{offset:08x}"));
                 diag
             }
             thorin::Error::MissingDwoName(id) => {
                 diag = build(fluent::codegen_ssa_thorin_missing_dwo_name);
-                diag.set_arg("id", format!("0x{id:08x}"));
+                diag.arg("id", format!("0x{id:08x}"));
                 diag
             }
             thorin::Error::NoCompilationUnits => {
@@ -284,7 +284,7 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for ThorinErrorWrapper {
             }
             thorin::Error::MissingRequiredSection(section) => {
                 diag = build(fluent::codegen_ssa_thorin_missing_required_section);
-                diag.set_arg("section", section);
+                diag.arg("section", section);
                 diag
             }
             thorin::Error::ParseUnitAbbreviations(_) => {
@@ -305,34 +305,34 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for ThorinErrorWrapper {
             }
             thorin::Error::IncompatibleIndexVersion(section, format, actual) => {
                 diag = build(fluent::codegen_ssa_thorin_incompatible_index_version);
-                diag.set_arg("section", section);
-                diag.set_arg("actual", actual);
-                diag.set_arg("format", format);
+                diag.arg("section", section);
+                diag.arg("actual", actual);
+                diag.arg("format", format);
                 diag
             }
             thorin::Error::OffsetAtIndex(_, index) => {
                 diag = build(fluent::codegen_ssa_thorin_offset_at_index);
-                diag.set_arg("index", index);
+                diag.arg("index", index);
                 diag
             }
             thorin::Error::StrAtOffset(_, offset) => {
                 diag = build(fluent::codegen_ssa_thorin_str_at_offset);
-                diag.set_arg("offset", format!("0x{offset:08x}"));
+                diag.arg("offset", format!("0x{offset:08x}"));
                 diag
             }
             thorin::Error::ParseIndex(_, section) => {
                 diag = build(fluent::codegen_ssa_thorin_parse_index);
-                diag.set_arg("section", section);
+                diag.arg("section", section);
                 diag
             }
             thorin::Error::UnitNotInIndex(unit) => {
                 diag = build(fluent::codegen_ssa_thorin_unit_not_in_index);
-                diag.set_arg("unit", format!("0x{unit:08x}"));
+                diag.arg("unit", format!("0x{unit:08x}"));
                 diag
             }
             thorin::Error::RowNotInIndex(_, row) => {
                 diag = build(fluent::codegen_ssa_thorin_row_not_in_index);
-                diag.set_arg("row", row);
+                diag.arg("row", row);
                 diag
             }
             thorin::Error::SectionNotInRow => {
@@ -341,7 +341,7 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for ThorinErrorWrapper {
             }
             thorin::Error::EmptyUnit(unit) => {
                 diag = build(fluent::codegen_ssa_thorin_empty_unit);
-                diag.set_arg("unit", format!("0x{unit:08x}"));
+                diag.arg("unit", format!("0x{unit:08x}"));
                 diag
             }
             thorin::Error::MultipleDebugInfoSection => {
@@ -358,12 +358,12 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for ThorinErrorWrapper {
             }
             thorin::Error::DuplicateUnit(unit) => {
                 diag = build(fluent::codegen_ssa_thorin_duplicate_unit);
-                diag.set_arg("unit", format!("0x{unit:08x}"));
+                diag.arg("unit", format!("0x{unit:08x}"));
                 diag
             }
             thorin::Error::MissingReferencedUnit(unit) => {
                 diag = build(fluent::codegen_ssa_thorin_missing_referenced_unit);
-                diag.set_arg("unit", format!("0x{unit:08x}"));
+                diag.arg("unit", format!("0x{unit:08x}"));
                 diag
             }
             thorin::Error::NoOutputObjectCreated => {
@@ -376,27 +376,27 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for ThorinErrorWrapper {
             }
             thorin::Error::Io(e) => {
                 diag = build(fluent::codegen_ssa_thorin_io);
-                diag.set_arg("error", format!("{e}"));
+                diag.arg("error", format!("{e}"));
                 diag
             }
             thorin::Error::ObjectRead(e) => {
                 diag = build(fluent::codegen_ssa_thorin_object_read);
-                diag.set_arg("error", format!("{e}"));
+                diag.arg("error", format!("{e}"));
                 diag
             }
             thorin::Error::ObjectWrite(e) => {
                 diag = build(fluent::codegen_ssa_thorin_object_write);
-                diag.set_arg("error", format!("{e}"));
+                diag.arg("error", format!("{e}"));
                 diag
             }
             thorin::Error::GimliRead(e) => {
                 diag = build(fluent::codegen_ssa_thorin_gimli_read);
-                diag.set_arg("error", format!("{e}"));
+                diag.arg("error", format!("{e}"));
                 diag
             }
             thorin::Error::GimliWrite(e) => {
                 diag = build(fluent::codegen_ssa_thorin_gimli_write);
-                diag.set_arg("error", format!("{e}"));
+                diag.arg("error", format!("{e}"));
                 diag
             }
             _ => unimplemented!("Untranslated thorin error"),
@@ -414,8 +414,8 @@ pub struct LinkingFailed<'a> {
 impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for LinkingFailed<'_> {
     fn into_diagnostic(self, dcx: &DiagCtxt, level: Level) -> DiagnosticBuilder<'_, G> {
         let mut diag = DiagnosticBuilder::new(dcx, level, fluent::codegen_ssa_linking_failed);
-        diag.set_arg("linker_path", format!("{}", self.linker_path.display()));
-        diag.set_arg("exit_status", format!("{}", self.exit_status));
+        diag.arg("linker_path", format!("{}", self.linker_path.display()));
+        diag.arg("exit_status", format!("{}", self.exit_status));
 
         let contains_undefined_ref = self.escaped_output.contains("undefined reference to");