diff options
119 files changed, 4911 insertions, 1084 deletions
diff --git a/compiler/rustc_builtin_macros/src/cfg.rs b/compiler/rustc_builtin_macros/src/cfg.rs index c75d83bd0a0..aa355150b4f 100644 --- a/compiler/rustc_builtin_macros/src/cfg.rs +++ b/compiler/rustc_builtin_macros/src/cfg.rs @@ -36,7 +36,7 @@ pub fn expand_cfg( } #[derive(SessionDiagnostic)] -#[error(slug = "builtin-macros-requires-cfg-pattern")] +#[error(builtin_macros::requires_cfg_pattern)] struct RequiresCfgPattern { #[primary_span] #[label] @@ -44,7 +44,7 @@ struct RequiresCfgPattern { } #[derive(SessionDiagnostic)] -#[error(slug = "builtin-macros-expected-one-cfg-pattern")] +#[error(builtin_macros::expected_one_cfg_pattern)] struct OneCfgPattern { #[primary_span] span: Span, diff --git a/compiler/rustc_error_messages/locales/en-US/builtin_macros.ftl b/compiler/rustc_error_messages/locales/en-US/builtin_macros.ftl index 1d3e33c8185..4a42d52f710 100644 --- a/compiler/rustc_error_messages/locales/en-US/builtin_macros.ftl +++ b/compiler/rustc_error_messages/locales/en-US/builtin_macros.ftl @@ -1,5 +1,5 @@ -builtin-macros-requires-cfg-pattern = +builtin_macros-requires-cfg-pattern = macro requires a cfg-pattern as an argument .label = cfg-pattern required -builtin-macros-expected-one-cfg-pattern = expected 1 cfg-pattern +builtin_macros-expected-one-cfg-pattern = expected 1 cfg-pattern diff --git a/compiler/rustc_error_messages/src/lib.rs b/compiler/rustc_error_messages/src/lib.rs index 7211c054326..673e160cc1e 100644 --- a/compiler/rustc_error_messages/src/lib.rs +++ b/compiler/rustc_error_messages/src/lib.rs @@ -258,18 +258,6 @@ pub enum SubdiagnosticMessage { FluentAttr(FluentId), } -impl SubdiagnosticMessage { - /// Create a `SubdiagnosticMessage` for the provided Fluent attribute. - pub fn attr(id: impl Into<FluentId>) -> Self { - SubdiagnosticMessage::FluentAttr(id.into()) - } - - /// Create a `SubdiagnosticMessage` for the provided Fluent identifier. - pub fn message(id: impl Into<FluentId>) -> Self { - SubdiagnosticMessage::FluentIdentifier(id.into()) - } -} - /// `From` impl that enables existing diagnostic calls to functions which now take /// `impl Into<SubdiagnosticMessage>` to continue to work as before. impl<S: Into<String>> From<S> for SubdiagnosticMessage { @@ -332,11 +320,6 @@ impl DiagnosticMessage { _ => panic!("expected non-translatable diagnostic message"), } } - - /// Create a `DiagnosticMessage` for the provided Fluent identifier. - pub fn new(id: impl Into<FluentId>) -> Self { - DiagnosticMessage::FluentIdentifier(id.into(), None) - } } /// `From` impl that enables existing diagnostic calls to functions which now take @@ -347,6 +330,27 @@ impl<S: Into<String>> From<S> for DiagnosticMessage { } } +/// Translating *into* a subdiagnostic message from a diagnostic message is a little strange - but +/// the subdiagnostic functions (e.g. `span_label`) take a `SubdiagnosticMessage` and the +/// subdiagnostic derive refers to typed identifiers that are `DiagnosticMessage`s, so need to be +/// able to convert between these, as much as they'll be converted back into `DiagnosticMessage` +/// using `with_subdiagnostic_message` eventually. Don't use this other than for the derive. +impl Into<SubdiagnosticMessage> for DiagnosticMessage { + fn into(self) -> SubdiagnosticMessage { + match self { + DiagnosticMessage::Str(s) => SubdiagnosticMessage::Str(s), + DiagnosticMessage::FluentIdentifier(id, None) => { + SubdiagnosticMessage::FluentIdentifier(id) + } + // There isn't really a sensible behaviour for this because it loses information but + // this is the most sensible of the behaviours. + DiagnosticMessage::FluentIdentifier(_, Some(attr)) => { + SubdiagnosticMessage::FluentAttr(attr) + } + } + } +} + /// A span together with some additional data. #[derive(Clone, Debug)] pub struct SpanLabel { diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index b1bfd612b90..d52455e2576 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -289,6 +289,7 @@ declare_lint! { "constant evaluation encountered erroneous expression", @future_incompatible = FutureIncompatibleInfo { reference: "issue #71800 <https://github.com/rust-lang/rust/issues/71800>", + reason: FutureIncompatibilityReason::FutureReleaseErrorReportNow, }; report_in_external_macro } diff --git a/compiler/rustc_macros/src/diagnostics/diagnostic.rs b/compiler/rustc_macros/src/diagnostics/diagnostic.rs index 95ee0d4a060..d0c86527189 100644 --- a/compiler/rustc_macros/src/diagnostics/diagnostic.rs +++ b/compiler/rustc_macros/src/diagnostics/diagnostic.rs @@ -12,7 +12,9 @@ use proc_macro2::{Ident, TokenStream}; use quote::{format_ident, quote}; use std::collections::HashMap; use std::str::FromStr; -use syn::{spanned::Spanned, Attribute, Meta, MetaList, MetaNameValue, Type}; +use syn::{ + parse_quote, spanned::Spanned, Attribute, Meta, MetaList, MetaNameValue, NestedMeta, Path, Type, +}; use synstructure::{BindingInfo, Structure}; /// The central struct for constructing the `into_diagnostic` method from an annotated struct. @@ -118,23 +120,23 @@ impl<'a> SessionDiagnosticDerive<'a> { return SessionDiagnosticDeriveError::ErrorHandled.to_compile_error(); } (Some((kind, _)), None) => { - span_err(span, "`slug` not specified") - .help(&format!("use the `#[{}(slug = \"...\")]` attribute to set this diagnostic's slug", kind.descr())) + span_err(span, "diagnostic slug not specified") + .help(&format!( + "specify the slug as the first argument to the attribute, such as \ + `#[{}(typeck::example_error)]`", + kind.descr() + )) .emit(); return SessionDiagnosticDeriveError::ErrorHandled.to_compile_error(); } (Some((SessionDiagnosticKind::Error, _)), Some((slug, _))) => { quote! { - let mut #diag = #sess.struct_err( - rustc_errors::DiagnosticMessage::new(#slug), - ); + let mut #diag = #sess.struct_err(rustc_errors::fluent::#slug); } } (Some((SessionDiagnosticKind::Warn, _)), Some((slug, _))) => { quote! { - let mut #diag = #sess.struct_warn( - rustc_errors::DiagnosticMessage::new(#slug), - ); + let mut #diag = #sess.struct_warn(rustc_errors::fluent::#slug); } } }; @@ -226,7 +228,7 @@ struct SessionDiagnosticDeriveBuilder { kind: Option<(SessionDiagnosticKind, proc_macro::Span)>, /// Slug is a mandatory part of the struct attribute as corresponds to the Fluent message that /// has the actual diagnostic message. - slug: Option<(String, proc_macro::Span)>, + slug: Option<(Path, proc_macro::Span)>, /// Error codes are a optional part of the struct attribute - this is only set to detect /// multiple specifications. code: Option<(String, proc_macro::Span)>, @@ -240,50 +242,79 @@ impl HasFieldMap for SessionDiagnosticDeriveBuilder { impl SessionDiagnosticDeriveBuilder { /// Establishes state in the `SessionDiagnosticDeriveBuilder` resulting from the struct - /// attributes like `#[error(..)#`, such as the diagnostic kind and slug. Generates + /// attributes like `#[error(..)`, such as the diagnostic kind and slug. Generates /// diagnostic builder calls for setting error code and creating note/help messages. fn generate_structure_code( &mut self, attr: &Attribute, ) -> Result<TokenStream, SessionDiagnosticDeriveError> { + let diag = &self.diag; let span = attr.span().unwrap(); let name = attr.path.segments.last().unwrap().ident.to_string(); let name = name.as_str(); let meta = attr.parse_meta()?; - if matches!(name, "help" | "note") && matches!(meta, Meta::Path(_) | Meta::NameValue(_)) { - let diag = &self.diag; - let id = match meta { - Meta::Path(..) => quote! { #name }, - Meta::NameValue(MetaNameValue { lit: syn::Lit::Str(s), .. }) => { - quote! { #s } - } - _ => unreachable!(), - }; - let fn_name = proc_macro2::Ident::new(name, attr.span()); - - return Ok(quote! { - #diag.#fn_name(rustc_errors::SubdiagnosticMessage::attr(#id)); - }); - } + let is_help_or_note = matches!(name, "help" | "note"); let nested = match meta { + // Most attributes are lists, like `#[error(..)]`/`#[warning(..)]` for most cases or + // `#[help(..)]`/`#[note(..)]` when the user is specifying a alternative slug. Meta::List(MetaList { ref nested, .. }) => nested, + // Subdiagnostics without spans can be applied to the type too, and these are just + // paths: `#[help]` and `#[note]` + Meta::Path(_) if is_help_or_note => { + let fn_name = proc_macro2::Ident::new(name, attr.span()); + return Ok(quote! { #diag.#fn_name(rustc_errors::fluent::_subdiag::#fn_name); }); + } _ => throw_invalid_attr!(attr, &meta), }; - let kind = match name { - "error" => SessionDiagnosticKind::Error, - "warning" => SessionDiagnosticKind::Warn, + // Check the kind before doing any further processing so that there aren't misleading + // "no kind specified" errors if there are failures later. + match name { + "error" => self.kind.set_once((SessionDiagnosticKind::Error, span)), + "warning" => self.kind.set_once((SessionDiagnosticKind::Warn, span)), + "help" | "note" => (), _ => throw_invalid_attr!(attr, &meta, |diag| { - diag.help("only `error` and `warning` are valid attributes") + diag.help("only `error`, `warning`, `help` and `note` are valid attributes") }), - }; - self.kind.set_once((kind, span)); + } + + // First nested element should always be the path, e.g. `#[error(typeck::invalid)]` or + // `#[help(typeck::another_help)]`. + let mut nested_iter = nested.into_iter(); + if let Some(nested_attr) = nested_iter.next() { + // Report an error if there are any other list items after the path. + if is_help_or_note && nested_iter.next().is_some() { + throw_invalid_nested_attr!(attr, &nested_attr, |diag| { + diag.help("`help` and `note` struct attributes can only have one argument") + }); + } + match nested_attr { + NestedMeta::Meta(Meta::Path(path)) if is_help_or_note => { + let fn_name = proc_macro2::Ident::new(name, attr.span()); + return Ok(quote! { #diag.#fn_name(rustc_errors::fluent::#path); }); + } + NestedMeta::Meta(Meta::Path(path)) => { + self.slug.set_once((path.clone(), span)); + } + NestedMeta::Meta(meta @ Meta::NameValue(_)) + if !is_help_or_note + && meta.path().segments.last().unwrap().ident.to_string() == "code" => + { + // don't error for valid follow-up attributes + } + nested_attr => throw_invalid_nested_attr!(attr, &nested_attr, |diag| { + diag.help("first argument of the attribute should be the diagnostic slug") + }), + }; + } + + // Remaining attributes are optional, only `code = ".."` at the moment. let mut tokens = Vec::new(); - for nested_attr in nested { + for nested_attr in nested_iter { let meta = match nested_attr { syn::NestedMeta::Meta(meta) => meta, _ => throw_invalid_nested_attr!(attr, &nested_attr), @@ -291,28 +322,24 @@ impl SessionDiagnosticDeriveBuilder { let path = meta.path(); let nested_name = path.segments.last().unwrap().ident.to_string(); - match &meta { - // Struct attributes are only allowed to be applied once, and the diagnostic - // changes will be set in the initialisation code. - Meta::NameValue(MetaNameValue { lit: syn::Lit::Str(s), .. }) => { - let span = s.span().unwrap(); - match nested_name.as_str() { - "slug" => { - self.slug.set_once((s.value(), span)); - } - "code" => { - self.code.set_once((s.value(), span)); - let (diag, code) = (&self.diag, &self.code.as_ref().map(|(v, _)| v)); - tokens.push(quote! { - #diag.code(rustc_errors::DiagnosticId::Error(#code.to_string())); - }); - } - _ => invalid_nested_attr(attr, &nested_attr) - .help("only `slug` and `code` are valid nested attributes") - .emit(), + // Struct attributes are only allowed to be applied once, and the diagnostic + // changes will be set in the initialisation code. + if let Meta::NameValue(MetaNameValue { lit: syn::Lit::Str(s), .. }) = &meta { + let span = s.span().unwrap(); + match nested_name.as_str() { + "code" => { + self.code.set_once((s.value(), span)); + let code = &self.code.as_ref().map(|(v, _)| v); + tokens.push(quote! { + #diag.code(rustc_errors::DiagnosticId::Error(#code.to_string())); + }); } + _ => invalid_nested_attr(attr, &nested_attr) + .help("only `code` is a valid nested attributes following the slug") + .emit(), } - _ => invalid_nested_attr(attr, &nested_attr).emit(), + } else { + invalid_nested_attr(attr, &nested_attr).emit() } } @@ -382,142 +409,215 @@ impl SessionDiagnosticDeriveBuilder { info: FieldInfo<'_>, binding: TokenStream, ) -> Result<TokenStream, SessionDiagnosticDeriveError> { + let meta = attr.parse_meta()?; + match meta { + Meta::Path(_) => self.generate_inner_field_code_path(attr, info, binding), + Meta::List(MetaList { .. }) => self.generate_inner_field_code_list(attr, info, binding), + _ => throw_invalid_attr!(attr, &meta), + } + } + + fn generate_inner_field_code_path( + &mut self, + attr: &Attribute, + info: FieldInfo<'_>, + binding: TokenStream, + ) -> Result<TokenStream, SessionDiagnosticDeriveError> { + assert!(matches!(attr.parse_meta()?, Meta::Path(_))); let diag = &self.diag; + let meta = attr.parse_meta()?; + let ident = &attr.path.segments.last().unwrap().ident; let name = ident.to_string(); let name = name.as_str(); + match name { + "skip_arg" => { + // Don't need to do anything - by virtue of the attribute existing, the + // `set_arg` call will not be generated. + Ok(quote! {}) + } + "primary_span" => { + report_error_if_not_applied_to_span(attr, &info)?; + Ok(quote! { + #diag.set_span(#binding); + }) + } + "label" => { + report_error_if_not_applied_to_span(attr, &info)?; + Ok(self.add_spanned_subdiagnostic(binding, ident, parse_quote! { _subdiag::label })) + } + "note" | "help" => { + let path = match name { + "note" => parse_quote! { _subdiag::note }, + "help" => parse_quote! { _subdiag::help }, + _ => unreachable!(), + }; + if type_matches_path(&info.ty, &["rustc_span", "Span"]) { + Ok(self.add_spanned_subdiagnostic(binding, ident, path)) + } else if type_is_unit(&info.ty) { + Ok(self.add_subdiagnostic(ident, path)) + } else { + report_type_error(attr, "`Span` or `()`")?; + } + } + "subdiagnostic" => Ok(quote! { #diag.subdiagnostic(#binding); }), + _ => throw_invalid_attr!(attr, &meta, |diag| { + diag.help( + "only `skip_arg`, `primary_span`, `label`, `note`, `help` and `subdiagnostic` \ + are valid field attributes", + ) + }), + } + } + fn generate_inner_field_code_list( + &mut self, + attr: &Attribute, + info: FieldInfo<'_>, + binding: TokenStream, + ) -> Result<TokenStream, SessionDiagnosticDeriveError> { let meta = attr.parse_meta()?; - match meta { - Meta::Path(_) => match name { - "skip_arg" => { - // Don't need to do anything - by virtue of the attribute existing, the - // `set_arg` call will not be generated. - Ok(quote! {}) - } - "primary_span" => { - report_error_if_not_applied_to_span(attr, &info)?; - Ok(quote! { - #diag.set_span(#binding); - }) - } - "label" => { - report_error_if_not_applied_to_span(attr, &info)?; - Ok(self.add_spanned_subdiagnostic(binding, ident, name)) - } - "note" | "help" => { - if type_matches_path(&info.ty, &["rustc_span", "Span"]) { - Ok(self.add_spanned_subdiagnostic(binding, ident, name)) - } else if type_is_unit(&info.ty) { - Ok(self.add_subdiagnostic(ident, name)) - } else { - report_type_error(attr, "`Span` or `()`")?; - } - } - "subdiagnostic" => Ok(quote! { #diag.subdiagnostic(#binding); }), - _ => throw_invalid_attr!(attr, &meta, |diag| { - diag - .help("only `skip_arg`, `primary_span`, `label`, `note`, `help` and `subdiagnostic` are valid field attributes") - }), - }, - Meta::NameValue(MetaNameValue { lit: syn::Lit::Str(ref s), .. }) => match name { - "label" => { - report_error_if_not_applied_to_span(attr, &info)?; - Ok(self.add_spanned_subdiagnostic(binding, ident, &s.value())) - } - "note" | "help" => { - if type_matches_path(&info.ty, &["rustc_span", "Span"]) { - Ok(self.add_spanned_subdiagnostic(binding, ident, &s.value())) - } else if type_is_unit(&info.ty) { - Ok(self.add_subdiagnostic(ident, &s.value())) - } else { - report_type_error(attr, "`Span` or `()`")?; - } - } - _ => throw_invalid_attr!(attr, &meta, |diag| { - diag.help("only `label`, `note` and `help` are valid field attributes") - }), - }, - Meta::List(MetaList { ref path, ref nested, .. }) => { - let name = path.segments.last().unwrap().ident.to_string(); - let name = name.as_ref(); - - match name { - "suggestion" | "suggestion_short" | "suggestion_hidden" - | "suggestion_verbose" => (), - _ => throw_invalid_attr!(attr, &meta, |diag| { - diag - .help("only `suggestion{,_short,_hidden,_verbose}` are valid field attributes") - }), - }; + let Meta::List(MetaList { ref path, ref nested, .. }) = meta else { unreachable!() }; - let (span_field, mut applicability) = self.span_and_applicability_of_ty(info)?; + let ident = &attr.path.segments.last().unwrap().ident; + let name = path.segments.last().unwrap().ident.to_string(); + let name = name.as_ref(); + match name { + "suggestion" | "suggestion_short" | "suggestion_hidden" | "suggestion_verbose" => { + return self.generate_inner_field_code_suggestion(attr, info); + } + "label" | "help" | "note" => (), + _ => throw_invalid_attr!(attr, &meta, |diag| { + diag.help( + "only `label`, `note`, `help` or `suggestion{,_short,_hidden,_verbose}` are \ + valid field attributes", + ) + }), + } - let mut msg = None; - let mut code = None; + // For `#[label(..)]`, `#[note(..)]` and `#[help(..)]`, the first nested element must be a + // path, e.g. `#[label(typeck::label)]`. + let mut nested_iter = nested.into_iter(); + let msg = match nested_iter.next() { + Some(NestedMeta::Meta(Meta::Path(path))) => path.clone(), + Some(nested_attr) => throw_invalid_nested_attr!(attr, &nested_attr), + None => throw_invalid_attr!(attr, &meta), + }; - for nested_attr in nested { - let meta = match nested_attr { - syn::NestedMeta::Meta(ref meta) => meta, - syn::NestedMeta::Lit(_) => throw_invalid_nested_attr!(attr, &nested_attr), - }; + // None of these attributes should have anything following the slug. + if nested_iter.next().is_some() { + throw_invalid_attr!(attr, &meta); + } - let nested_name = meta.path().segments.last().unwrap().ident.to_string(); - let nested_name = nested_name.as_str(); - match meta { - Meta::NameValue(MetaNameValue { lit: syn::Lit::Str(s), .. }) => { - let span = meta.span().unwrap(); - match nested_name { - "message" => { - msg = Some(s.value()); - } - "code" => { - let formatted_str = self.build_format(&s.value(), s.span()); - code = Some(formatted_str); + match name { + "label" => { + report_error_if_not_applied_to_span(attr, &info)?; + Ok(self.add_spanned_subdiagnostic(binding, ident, msg)) + } + "note" | "help" if type_matches_path(&info.ty, &["rustc_span", "Span"]) => { + Ok(self.add_spanned_subdiagnostic(binding, ident, msg)) + } + "note" | "help" if type_is_unit(&info.ty) => Ok(self.add_subdiagnostic(ident, msg)), + "note" | "help" => { + report_type_error(attr, "`Span` or `()`")?; + } + _ => unreachable!(), + } + } + + fn generate_inner_field_code_suggestion( + &mut self, + attr: &Attribute, + info: FieldInfo<'_>, + ) -> Result<TokenStream, SessionDiagnosticDeriveError> { + let diag = &self.diag; + + let mut meta = attr.parse_meta()?; + let Meta::List(MetaList { ref path, ref mut nested, .. }) = meta else { unreachable!() }; + + let (span_field, mut applicability) = self.span_and_applicability_of_ty(info)?; + + let mut msg = None; + let mut code = None; + + let mut nested_iter = nested.into_iter().peekable(); + if let Some(nested_attr) = nested_iter.peek() { + if let NestedMeta::Meta(Meta::Path(path)) = nested_attr { + msg = Some(path.clone()); + } + }; + // Move the iterator forward if a path was found (don't otherwise so that + // code/applicability can be found or an error emitted). + if msg.is_some() { + let _ = nested_iter.next(); + } + + for nested_attr in nested_iter { + let meta = match nested_attr { + syn::NestedMeta::Meta(ref meta) => meta, + syn::NestedMeta::Lit(_) => throw_invalid_nested_attr!(attr, &nested_attr), + }; + + let nested_name = meta.path().segments.last().unwrap().ident.to_string(); + let nested_name = nested_name.as_str(); + match meta { + Meta::NameValue(MetaNameValue { lit: syn::Lit::Str(s), .. }) => { + let span = meta.span().unwrap(); + match nested_name { + "code" => { + let formatted_str = self.build_format(&s.value(), s.span()); + code = Some(formatted_str); + } + "applicability" => { + applicability = match applicability { + Some(v) => { + span_err( + span, + "applicability cannot be set in both the field and \ + attribute", + ) + .emit(); + Some(v) } - "applicability" => { - applicability = match applicability { - Some(v) => { - span_err( - span, - "applicability cannot be set in both the field and attribute" - ).emit(); - Some(v) - } - None => match Applicability::from_str(&s.value()) { - Ok(v) => Some(quote! { #v }), - Err(()) => { - span_err(span, "invalid applicability").emit(); - None - } - }, + None => match Applicability::from_str(&s.value()) { + Ok(v) => Some(quote! { #v }), + Err(()) => { + span_err(span, "invalid applicability").emit(); + None } - } - _ => throw_invalid_nested_attr!(attr, &nested_attr, |diag| { - diag.help( - "only `message`, `code` and `applicability` are valid field attributes", - ) - }), + }, } } - _ => throw_invalid_nested_attr!(attr, &nested_attr), + _ => throw_invalid_nested_attr!(attr, &nested_attr, |diag| { + diag.help( + "only `message`, `code` and `applicability` are valid field \ + attributes", + ) + }), } } + _ => throw_invalid_nested_attr!(attr, &nested_attr, |diag| { + if matches!(meta, Meta::Path(_)) { + diag.help("a diagnostic slug must be the first argument to the attribute") + } else { + diag + } + }), + } + } - let applicability = applicability - .unwrap_or_else(|| quote!(rustc_errors::Applicability::Unspecified)); + let applicability = + applicability.unwrap_or_else(|| quote!(rustc_errors::Applicability::Unspecified)); - let method = format_ident!("span_{}", name); + let name = path.segments.last().unwrap().ident.to_string(); + let method = format_ident!("span_{}", name); - let msg = msg.as_deref().unwrap_or("suggestion"); - let msg = quote! { rustc_errors::SubdiagnosticMessage::attr(#msg) }; - let code = code.unwrap_or_else(|| quote! { String::new() }); + let msg = msg.unwrap_or_else(|| parse_quote! { _subdiag::suggestion }); + let msg = quote! { rustc_errors::fluent::#msg }; + let code = code.unwrap_or_else(|| quote! { String::new() }); - Ok(quote! { #diag.#method(#span_field, #msg, #code, #applicability); }) - } - _ => throw_invalid_attr!(attr, &meta), - } + Ok(quote! { #diag.#method(#span_field, #msg, #code, #applicability); }) } /// Adds a spanned subdiagnostic by generating a `diag.span_$kind` call with the current slug @@ -526,24 +626,24 @@ impl SessionDiagnosticDeriveBuilder { &self, field_binding: TokenStream, kind: &Ident, - fluent_attr_identifier: &str, + fluent_attr_identifier: Path, ) -> TokenStream { let diag = &self.diag; let fn_name = format_ident!("span_{}", kind); quote! { #diag.#fn_name( #field_binding, - rustc_errors::SubdiagnosticMessage::attr(#fluent_attr_identifier) + rustc_errors::fluent::#fluent_attr_identifier ); } } /// Adds a subdiagnostic by generating a `diag.span_$kind` call with the current slug /// and `fluent_attr_identifier`. - fn add_subdiagnostic(&self, kind: &Ident, fluent_attr_identifier: &str) -> TokenStream { + fn add_subdiagnostic(&self, kind: &Ident, fluent_attr_identifier: Path) -> TokenStream { let diag = &self.diag; quote! { - #diag.#kind(rustc_errors::SubdiagnosticMessage::attr(#fluent_attr_identifier)); + #diag.#kind(rustc_errors::fluent::#fluent_attr_identifier); } } @@ -569,7 +669,8 @@ impl SessionDiagnosticDeriveBuilder { } else { throw_span_err!( info.span.unwrap(), - "type of field annotated with `#[suggestion(...)]` contains more than one `Span`" + "type of field annotated with `#[suggestion(...)]` contains more \ + than one `Span`" ); } } else if type_matches_path(elem, &["rustc_errors", "Applicability"]) { @@ -578,7 +679,8 @@ impl SessionDiagnosticDeriveBuilder { } else { throw_span_err!( info.span.unwrap(), - "type of field annotated with `#[suggestion(...)]` contains more than one Applicability" + "type of field annotated with `#[suggestion(...)]` contains more \ + than one Applicability" ); } } @@ -595,12 +697,18 @@ impl SessionDiagnosticDeriveBuilder { } throw_span_err!(info.span.unwrap(), "wrong types for suggestion", |diag| { - diag.help("`#[suggestion(...)]` on a tuple field must be applied to fields of type `(Span, Applicability)`") + diag.help( + "`#[suggestion(...)]` on a tuple field must be applied to fields of type \ + `(Span, Applicability)`", + ) }); } // If `ty` isn't a `Span` or `(Span, Applicability)` then emit an error. _ => throw_span_err!(info.span.unwrap(), "wrong field type for suggestion", |diag| { - diag.help("`#[suggestion(...)]` should be applied to fields of type `Span` or `(Span, Applicability)`") + diag.help( + "`#[suggestion(...)]` should be applied to fields of type `Span` or \ + `(Span, Applicability)`", + ) }), } } diff --git a/compiler/rustc_macros/src/diagnostics/error.rs b/compiler/rustc_macros/src/diagnostics/error.rs index fd1dc2f3073..d088402abc6 100644 --- a/compiler/rustc_macros/src/diagnostics/error.rs +++ b/compiler/rustc_macros/src/diagnostics/error.rs @@ -39,6 +39,19 @@ pub(crate) fn _throw_err( SessionDiagnosticDeriveError::ErrorHandled } +/// Helper function for printing `syn::Path` - doesn't handle arguments in paths and these are +/// unlikely to come up much in use of the macro. +fn path_to_string(path: &syn::Path) -> String { + let mut out = String::new(); + for (i, segment) in path.segments.iter().enumerate() { + if i > 0 || path.leading_colon.is_some() { + out.push_str("::"); + } + out.push_str(&segment.ident.to_string()); + } + out +} + /// Returns an error diagnostic on span `span` with msg `msg`. pub(crate) fn span_err(span: impl MultiSpan, msg: &str) -> Diagnostic { Diagnostic::spanned(span, Level::Error, msg) @@ -61,15 +74,13 @@ pub(crate) use throw_span_err; /// Returns an error diagnostic for an invalid attribute. pub(crate) fn invalid_attr(attr: &Attribute, meta: &Meta) -> Diagnostic { let span = attr.span().unwrap(); - let name = attr.path.segments.last().unwrap().ident.to_string(); - let name = name.as_str(); - + let path = path_to_string(&attr.path); match meta { - Meta::Path(_) => span_err(span, &format!("`#[{}]` is not a valid attribute", name)), + Meta::Path(_) => span_err(span, &format!("`#[{}]` is not a valid attribute", path)), Meta::NameValue(_) => { - span_err(span, &format!("`#[{} = ...]` is not a valid attribute", name)) + span_err(span, &format!("`#[{} = ...]` is not a valid attribute", path)) } - Meta::List(_) => span_err(span, &format!("`#[{}(...)]` is not a valid attribute", name)), + Meta::List(_) => span_err(span, &format!("`#[{}(...)]` is not a valid attribute", path)), } } @@ -101,18 +112,16 @@ pub(crate) fn invalid_nested_attr(attr: &Attribute, nested: &NestedMeta) -> Diag }; let span = meta.span().unwrap(); - let nested_name = meta.path().segments.last().unwrap().ident.to_string(); - let nested_name = nested_name.as_str(); + let path = path_to_string(meta.path()); match meta { - Meta::NameValue(..) => span_err( - span, - &format!("`#[{}({} = ...)]` is not a valid attribute", name, nested_name), - ), + Meta::NameValue(..) => { + span_err(span, &format!("`#[{}({} = ...)]` is not a valid attribute", name, path)) + } Meta::Path(..) => { - span_err(span, &format!("`#[{}({})]` is not a valid attribute", name, nested_name)) + span_err(span, &format!("`#[{}({})]` is not a valid attribute", name, path)) } Meta::List(..) => { - span_err(span, &format!("`#[{}({}(...))]` is not a valid attribute", name, nested_name)) + span_err(span, &format!("`#[{}({}(...))]` is not a valid attribute", name, path)) } } } diff --git a/compiler/rustc_macros/src/diagnostics/fluent.rs b/compiler/rustc_macros/src/diagnostics/fluent.rs index 42a9bf477a4..2317186e655 100644 --- a/compiler/rustc_macros/src/diagnostics/fluent.rs +++ b/compiler/rustc_macros/src/diagnostics/fluent.rs @@ -254,6 +254,17 @@ pub(crate) fn fluent_messages(input: proc_macro::TokenStream) -> proc_macro::Tok ]; #generated + + pub mod _subdiag { + pub const note: crate::SubdiagnosticMessage = + crate::SubdiagnosticMessage::FluentAttr(std::borrow::Cow::Borrowed("note")); + pub const help: crate::SubdiagnosticMessage = + crate::SubdiagnosticMessage::FluentAttr(std::borrow::Cow::Borrowed("help")); + pub const label: crate::SubdiagnosticMessage = + crate::SubdiagnosticMessage::FluentAttr(std::borrow::Cow::Borrowed("label")); + pub const suggestion: crate::SubdiagnosticMessage = + crate::SubdiagnosticMessage::FluentAttr(std::borrow::Cow::Borrowed("suggestion")); + } } } .into() diff --git a/compiler/rustc_macros/src/diagnostics/mod.rs b/compiler/rustc_macros/src/diagnostics/mod.rs index 69573d904d4..2eee4bfb5dd 100644 --- a/compiler/rustc_macros/src/diagnostics/mod.rs +++ b/compiler/rustc_macros/src/diagnostics/mod.rs @@ -22,14 +22,14 @@ use synstructure::Structure; /// # extern crate rust_middle; /// # use rustc_middle::ty::Ty; /// #[derive(SessionDiagnostic)] -/// #[error(code = "E0505", slug = "borrowck-move-out-of-borrow")] +/// #[error(borrowck::move_out_of_borrow, code = "E0505")] /// pub struct MoveOutOfBorrowError<'tcx> { /// pub name: Ident, /// pub ty: Ty<'tcx>, /// #[primary_span] /// #[label] /// pub span: Span, -/// #[label = "first-borrow-label"] +/// #[label(borrowck::first_borrow_label)] /// pub first_borrow_span: Span, /// #[suggestion(code = "{name}.clone()")] /// pub clone_sugg: Option<(Span, Applicability)> @@ -72,12 +72,12 @@ pub fn session_diagnostic_derive(s: Structure<'_>) -> TokenStream { /// ```ignore (rust) /// #[derive(SessionSubdiagnostic)] /// pub enum ExpectedIdentifierLabel<'tcx> { -/// #[label(slug = "parser-expected-identifier")] +/// #[label(parser::expected_identifier)] /// WithoutFound { /// #[primary_span] /// span: Span, /// } -/// #[label(slug = "parser-expected-identifier-found")] +/// #[label(parser::expected_identifier_found)] /// WithFound { /// #[primary_span] /// span: Span, @@ -86,7 +86,7 @@ pub fn session_diagnostic_derive(s: Structure<'_>) -> TokenStream { /// } /// /// #[derive(SessionSubdiagnostic)] -/// #[suggestion_verbose(slug = "parser-raw-identifier")] +/// #[suggestion_verbose(parser::raw_identifier)] /// pub struct RawIdentifierSuggestion<'tcx> { /// #[primary_span] /// span: Span, diff --git a/compiler/rustc_macros/src/diagnostics/subdiagnostic.rs b/compiler/rustc_macros/src/diagnostics/subdiagnostic.rs index 9aeb484bfd5..eab954a9c1b 100644 --- a/compiler/rustc_macros/src/diagnostics/subdiagnostic.rs +++ b/compiler/rustc_macros/src/diagnostics/subdiagnostic.rs @@ -13,7 +13,7 @@ use quote::{format_ident, quote}; use std::collections::HashMap; use std::fmt; use std::str::FromStr; -use syn::{spanned::Spanned, Meta, MetaList, MetaNameValue}; +use syn::{parse_quote, spanned::Spanned, Meta, MetaList, MetaNameValue, NestedMeta, Path}; use synstructure::{BindingInfo, Structure, VariantInfo}; /// Which kind of suggestion is being created? @@ -194,8 +194,8 @@ struct SessionSubdiagnosticDeriveBuilder<'a> { kind: Option<(SubdiagnosticKind, proc_macro::Span)>, /// Slug of the subdiagnostic - corresponds to the Fluent identifier for the message - from the - /// `#[kind(slug = "...")]` attribute on the type or variant. - slug: Option<(String, proc_macro::Span)>, + /// `#[kind(slug)]` attribute on the type or variant. + slug: Option<(Path, proc_macro::Span)>, /// If a suggestion, the code to suggest as a replacement - from the `#[kind(code = "...")]` /// attribute on the type or variant. code: Option<(TokenStream, proc_macro::Span)>, @@ -224,9 +224,34 @@ impl<'a> SessionSubdiagnosticDeriveBuilder<'a> { let meta = attr.parse_meta()?; let kind = match meta { Meta::List(MetaList { ref nested, .. }) => { - for nested_attr in nested { + let mut nested_iter = nested.into_iter(); + if let Some(nested_attr) = nested_iter.next() { + match nested_attr { + NestedMeta::Meta(Meta::Path(path)) => { + self.slug.set_once((path.clone(), span)); + } + NestedMeta::Meta(meta @ Meta::NameValue(_)) + if matches!( + meta.path().segments.last().unwrap().ident.to_string().as_str(), + "code" | "applicability" + ) => + { + // don't error for valid follow-up attributes + } + nested_attr => { + throw_invalid_nested_attr!(attr, &nested_attr, |diag| { + diag.help( + "first argument of the attribute should be the diagnostic \ + slug", + ) + }) + } + }; + } + + for nested_attr in nested_iter { let meta = match nested_attr { - syn::NestedMeta::Meta(ref meta) => meta, + NestedMeta::Meta(ref meta) => meta, _ => throw_invalid_nested_attr!(attr, &nested_attr), }; @@ -241,7 +266,6 @@ impl<'a> SessionSubdiagnosticDeriveBuilder<'a> { let formatted_str = self.build_format(&s.value(), s.span()); self.code.set_once((formatted_str, span)); } - "slug" => self.slug.set_once((s.value(), span)), "applicability" => { let value = match Applicability::from_str(&s.value()) { Ok(v) => v, @@ -253,11 +277,23 @@ impl<'a> SessionSubdiagnosticDeriveBuilder<'a> { self.applicability.set_once((quote! { #value }, span)); } _ => throw_invalid_nested_attr!(attr, &nested_attr, |diag| { - diag.help("only `code`, `slug` and `applicability` are valid nested attributes") + diag.help( + "only `code` and `applicability` are valid nested \ + attributes", + ) }), } } - _ => throw_invalid_nested_attr!(attr, &nested_attr), + _ => throw_invalid_nested_attr!(attr, &nested_attr, |diag| { + if matches!(meta, Meta::Path(_)) { + diag.help( + "a diagnostic slug must be the first argument to the \ + attribute", + ) + } else { + diag + } + }), } } @@ -281,10 +317,27 @@ impl<'a> SessionSubdiagnosticDeriveBuilder<'a> { ); } + if matches!( + kind, + SubdiagnosticKind::Label | SubdiagnosticKind::Help | SubdiagnosticKind::Note + ) && self.applicability.is_some() + { + throw_span_err!( + span, + &format!( + "`applicability` is not a valid nested attribute of a `{}` attribute", + name + ) + ); + } + if self.slug.is_none() { throw_span_err!( span, - &format!("`slug` must be set in a `#[{}(...)]` attribute", name) + &format!( + "diagnostic slug must be first argument of a `#[{}(...)]` attribute", + name + ) ); } @@ -335,7 +388,10 @@ impl<'a> SessionSubdiagnosticDeriveBuilder<'a> { return Ok(quote! {}); } _ => throw_invalid_attr!(attr, &meta, |diag| { - diag.help("only `primary_span`, `applicability` and `skip_arg` are valid field attributes") + diag.help( + "only `primary_span`, `applicability` and `skip_arg` are valid field \ + attributes", + ) }), }, _ => throw_invalid_attr!(attr, &meta), @@ -375,7 +431,11 @@ impl<'a> SessionSubdiagnosticDeriveBuilder<'a> { } // Missing slug errors will already have been reported. - let slug = self.slug.as_ref().map(|(slug, _)| &**slug).unwrap_or("missing-slug"); + let slug = self + .slug + .as_ref() + .map(|(slug, _)| slug.clone()) + .unwrap_or_else(|| parse_quote! { you::need::to::specify::a::slug }); let code = match self.code.as_ref() { Some((code, _)) => Some(quote! { #code }), None if is_suggestion => { @@ -397,7 +457,7 @@ impl<'a> SessionSubdiagnosticDeriveBuilder<'a> { let diag = &self.diag; let name = format_ident!("{}{}", if span_field.is_some() { "span_" } else { "" }, kind); - let message = quote! { rustc_errors::SubdiagnosticMessage::message(#slug) }; + let message = quote! { rustc_errors::fluent::#slug }; let call = if matches!(kind, SubdiagnosticKind::Suggestion(..)) { if let Some(span) = span_field { quote! { #diag.#name(#span, #message, #code, #applicability); } diff --git a/compiler/rustc_parse/src/parser/diagnostics.rs b/compiler/rustc_parse/src/parser/diagnostics.rs index ba325d70422..58d5d43cfbf 100644 --- a/compiler/rustc_parse/src/parser/diagnostics.rs +++ b/compiler/rustc_parse/src/parser/diagnostics.rs @@ -244,7 +244,7 @@ impl MultiSugg { } #[derive(SessionDiagnostic)] -#[error(slug = "parser-maybe-report-ambiguous-plus")] +#[error(parser::maybe_report_ambiguous_plus)] struct AmbiguousPlus { pub sum_ty: String, #[primary_span] @@ -253,7 +253,7 @@ struct AmbiguousPlus { } #[derive(SessionDiagnostic)] -#[error(code = "E0178", slug = "parser-maybe-recover-from-bad-type-plus")] +#[error(parser::maybe_recover_from_bad_type_plus, code = "E0178")] struct BadTypePlus { pub ty: String, #[primary_span] @@ -265,7 +265,7 @@ struct BadTypePlus { #[derive(SessionSubdiagnostic)] pub enum BadTypePlusSub { #[suggestion( - slug = "parser-add-paren", + parser::add_paren, code = "{sum_with_parens}", applicability = "machine-applicable" )] @@ -274,12 +274,12 @@ pub enum BadTypePlusSub { #[primary_span] span: Span, }, - #[label(slug = "parser-forgot-paren")] + #[label(parser::forgot_paren)] ForgotParen { #[primary_span] span: Span, }, - #[label(slug = "parser-expect-path")] + #[label(parser::expect_path)] ExpectPath { #[primary_span] span: Span, @@ -287,7 +287,7 @@ pub enum BadTypePlusSub { } #[derive(SessionDiagnostic)] -#[error(slug = "parser-maybe-recover-from-bad-qpath-stage-2")] +#[error(parser::maybe_recover_from_bad_qpath_stage_2)] struct BadQPathStage2 { #[primary_span] #[suggestion(applicability = "maybe-incorrect")] @@ -296,7 +296,7 @@ struct BadQPathStage2 { } #[derive(SessionDiagnostic)] -#[error(slug = "parser-incorrect-semicolon")] +#[error(parser::incorrect_semicolon)] struct IncorrectSemicolon<'a> { #[primary_span] #[suggestion_short(applicability = "machine-applicable")] @@ -307,26 +307,26 @@ struct IncorrectSemicolon<'a> { } #[derive(SessionDiagnostic)] -#[error(slug = "parser-incorrect-use-of-await")] +#[error(parser::incorrect_use_of_await)] struct IncorrectUseOfAwait { #[primary_span] - #[suggestion(message = "parentheses-suggestion", applicability = "machine-applicable")] + #[suggestion(parser::parentheses_suggestion, applicability = "machine-applicable")] span: Span, } #[derive(SessionDiagnostic)] -#[error(slug = "parser-incorrect-use-of-await")] +#[error(parser::incorrect_use_of_await)] struct IncorrectAwait { #[primary_span] span: Span, - #[suggestion(message = "postfix-suggestion", code = "{expr}.await{question_mark}")] + #[suggestion(parser::postfix_suggestion, code = "{expr}.await{question_mark}")] sugg_span: (Span, Applicability), expr: String, question_mark: &'static str, } #[derive(SessionDiagnostic)] -#[error(slug = "parser-in-in-typo")] +#[error(parser::in_in_typo)] struct InInTypo { #[primary_span] span: Span, diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index 81bab0e3513..2c43563b104 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -7,6 +7,7 @@ use super::{ }; use crate::maybe_recover_from_interpolated_ty_qpath; +use core::mem; use rustc_ast::ptr::P; use rustc_ast::token::{self, Delimiter, Token, TokenKind}; use rustc_ast::tokenstream::Spacing; @@ -26,7 +27,6 @@ use rustc_session::lint::BuiltinLintDiagnostics; use rustc_span::source_map::{self, Span, Spanned}; use rustc_span::symbol::{kw, sym, Ident, Symbol}; use rustc_span::{BytePos, Pos}; -use std::mem; /// Possibly accepts an `token::Interpolated` expression (a pre-parsed expression /// dropped into the token stream, which happens while parsing the result of @@ -2343,7 +2343,9 @@ impl<'a> Parser<'a> { /// Parses the condition of a `if` or `while` expression. fn parse_cond_expr(&mut self) -> PResult<'a, P<Expr>> { - let cond = self.parse_expr_res(Restrictions::NO_STRUCT_LITERAL, None)?; + let cond = self.with_let_management(true, |local_self| { + local_self.parse_expr_res(Restrictions::NO_STRUCT_LITERAL, None) + })?; if let ExprKind::Let(..) = cond.kind { // Remove the last feature gating of a `let` expression since it's stable. @@ -2356,6 +2358,13 @@ impl<'a> Parser<'a> { /// Parses a `let $pat = $expr` pseudo-expression. /// The `let` token has already been eaten. fn parse_let_expr(&mut self, attrs: AttrVec) -> PResult<'a, P<Expr>> { + if !self.let_expr_allowed { + self.struct_span_err( + self.prev_token.span, + "expected expression, found `let` statement", + ) + .emit(); + } let lo = self.prev_token.span; let pat = self.parse_pat_allow_top_alt( None, @@ -2672,6 +2681,8 @@ impl<'a> Parser<'a> { } pub(super) fn parse_arm(&mut self) -> PResult<'a, Arm> { + // Used to check the `let_chains` and `if_let_guard` features mostly by scaning + // `&&` tokens. fn check_let_expr(expr: &Expr) -> (bool, bool) { match expr.kind { ExprKind::Binary(_, ref lhs, ref rhs) => { @@ -2694,7 +2705,7 @@ impl<'a> Parser<'a> { )?; let guard = if this.eat_keyword(kw::If) { let if_span = this.prev_token.span; - let cond = this.parse_expr()?; + let cond = this.with_let_management(true, |local_this| local_this.parse_expr())?; let (has_let_expr, does_not_have_bin_op) = check_let_expr(&cond); if has_let_expr { if does_not_have_bin_op { @@ -3256,4 +3267,17 @@ impl<'a> Parser<'a> { Ok((res, trailing)) }) } + + // Calls `f` with the internal `let_expr_allowed` set to `let_expr_allowed` and then + // sets the internal `let_expr_allowed` back to its original value. + fn with_let_management<T>( + &mut self, + let_expr_allowed: bool, + f: impl FnOnce(&mut Self) -> T, + ) -> T { + let last_let_expr_allowed = mem::replace(&mut self.let_expr_allowed, let_expr_allowed); + let rslt = f(self); + self.let_expr_allowed = last_let_expr_allowed; + rslt + } } diff --git a/compiler/rustc_parse/src/parser/mod.rs b/compiler/rustc_parse/src/parser/mod.rs index 6d6667717f0..acdf121522a 100644 --- a/compiler/rustc_parse/src/parser/mod.rs +++ b/compiler/rustc_parse/src/parser/mod.rs @@ -147,12 +147,15 @@ pub struct Parser<'a> { /// This allows us to recover when the user forget to add braces around /// multiple statements in the closure body. pub current_closure: Option<ClosureSpans>, + /// Used to track where `let`s are allowed. For example, `if true && let 1 = 1` is valid + /// but `[1, 2, 3][let _ = ()]` is not. + let_expr_allowed: bool, } // This type is used a lot, e.g. it's cloned when matching many declarative macro rules. Make sure // it doesn't unintentionally get bigger. #[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))] -rustc_data_structures::static_assert_size!(Parser<'_>, 328); +rustc_data_structures::static_assert_size!(Parser<'_>, 336); /// Stores span information about a closure. #[derive(Clone)] @@ -455,6 +458,7 @@ impl<'a> Parser<'a> { inner_attr_ranges: Default::default(), }, current_closure: None, + let_expr_allowed: false, }; // Make parser point to the first token. diff --git a/compiler/rustc_typeck/src/errors.rs b/compiler/rustc_typeck/src/errors.rs index 67a3d4a4d02..4cdec615d82 100644 --- a/compiler/rustc_typeck/src/errors.rs +++ b/compiler/rustc_typeck/src/errors.rs @@ -6,18 +6,18 @@ use rustc_session::{parse::ParseSess, SessionDiagnostic}; use rustc_span::{symbol::Ident, Span, Symbol}; #[derive(SessionDiagnostic)] -#[error(code = "E0062", slug = "typeck-field-multiply-specified-in-initializer")] +#[error(typeck::field_multiply_specified_in_initializer, code = "E0062")] pub struct FieldMultiplySpecifiedInInitializer { #[primary_span] #[label] pub span: Span, - #[label = "previous-use-label"] + #[label(typeck::previous_use_label)] pub prev_span: Span, pub ident: Ident, } #[derive(SessionDiagnostic)] -#[error(code = "E0092", slug = "typeck-unrecognized-atomic-operation")] +#[error(typeck::unrecognized_atomic_operation, code = "E0092")] pub struct UnrecognizedAtomicOperation<'a> { #[primary_span] #[label] @@ -26,7 +26,7 @@ pub struct UnrecognizedAtomicOperation<'a> { } #[derive(SessionDiagnostic)] -#[error(code = "E0094", slug = "typeck-wrong-number-of-generic-arguments-to-intrinsic")] +#[error(typeck::wrong_number_of_generic_arguments_to_intrinsic, code = "E0094")] pub struct WrongNumberOfGenericArgumentsToIntrinsic<'a> { #[primary_span] #[label] @@ -37,7 +37,7 @@ pub struct WrongNumberOfGenericArgumentsToIntrinsic<'a> { } #[derive(SessionDiagnostic)] -#[error(code = "E0093", slug = "typeck-unrecognized-intrinsic-function")] +#[error(typeck::unrecognized_intrinsic_function, code = "E0093")] pub struct UnrecognizedIntrinsicFunction { #[primary_span] #[label] @@ -46,19 +46,19 @@ pub struct UnrecognizedIntrinsicFunction { } #[derive(SessionDiagnostic)] -#[error(code = "E0195", slug = "typeck-lifetimes-or-bounds-mismatch-on-trait")] +#[error(typeck::lifetimes_or_bounds_mismatch_on_trait, code = "E0195")] pub struct LifetimesOrBoundsMismatchOnTrait { #[primary_span] #[label] pub span: Span, - #[label = "generics-label"] + #[label(typeck::generics_label)] pub generics_span: Option<Span>, pub item_kind: &'static str, pub ident: Ident, } #[derive(SessionDiagnostic)] -#[error(code = "E0120", slug = "typeck-drop-impl-on-wrong-item")] +#[error(typeck::drop_impl_on_wrong_item, code = "E0120")] pub struct DropImplOnWrongItem { #[primary_span] #[label] @@ -66,18 +66,18 @@ pub struct DropImplOnWrongItem { } #[derive(SessionDiagnostic)] -#[error(code = "E0124", slug = "typeck-field-already-declared")] +#[error(typeck::field_already_declared, code = "E0124")] pub struct FieldAlreadyDeclared { pub field_name: Ident, #[primary_span] #[label] pub span: Span, - #[label = "previous-decl-label"] + #[label(typeck::previous_decl_label)] pub prev_span: Span, } #[derive(SessionDiagnostic)] -#[error(code = "E0184", slug = "typeck-copy-impl-on-type-with-dtor")] +#[error(typeck::copy_impl_on_type_with_dtor, code = "E0184")] pub struct CopyImplOnTypeWithDtor { #[primary_span] #[label] @@ -85,14 +85,14 @@ pub struct CopyImplOnTypeWithDtor { } #[derive(SessionDiagnostic)] -#[error(code = "E0203", slug = "typeck-multiple-relaxed-default-bounds")] +#[error(typeck::multiple_relaxed_default_bounds, code = "E0203")] pub struct MultipleRelaxedDefaultBounds { #[primary_span] pub span: Span, } #[derive(SessionDiagnostic)] -#[error(code = "E0206", slug = "typeck-copy-impl-on-non-adt")] +#[error(typeck::copy_impl_on_non_adt, code = "E0206")] pub struct CopyImplOnNonAdt { #[primary_span] #[label] @@ -100,23 +100,23 @@ pub struct CopyImplOnNonAdt { } #[derive(SessionDiagnostic)] -#[error(code = "E0224", slug = "typeck-trait-object-declared-with-no-traits")] +#[error(typeck::trait_object_declared_with_no_traits, code = "E0224")] pub struct TraitObjectDeclaredWithNoTraits { #[primary_span] pub span: Span, - #[label = "alias-span"] + #[label(typeck::alias_span)] pub trait_alias_span: Option<Span>, } #[derive(SessionDiagnostic)] -#[error(code = "E0227", slug = "typeck-ambiguous-lifetime-bound")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0227")] pub struct AmbiguousLifetimeBound { #[primary_span] pub span: Span, } #[derive(SessionDiagnostic)] -#[error(code = "E0229", slug = "typeck-assoc-type-binding-not-allowed")] +#[error(typeck::assoc_type_binding_not_allowed, code = "E0229")] pub struct AssocTypeBindingNotAllowed { #[primary_span] #[label] @@ -124,14 +124,14 @@ pub struct AssocTypeBindingNotAllowed { } #[derive(SessionDiagnostic)] -#[error(code = "E0436", slug = "typeck-functional-record-update-on-non-struct")] +#[error(typeck::functional_record_update_on_non_struct, code = "E0436")] pub struct FunctionalRecordUpdateOnNonStruct { #[primary_span] pub span: Span, } #[derive(SessionDiagnostic)] -#[error(code = "E0516", slug = "typeck-typeof-reserved-keyword-used")] +#[error(typeck::typeof_reserved_keyword_used, code = "E0516")] pub struct TypeofReservedKeywordUsed<'tcx> { pub ty: Ty<'tcx>, #[primary_span] @@ -142,25 +142,25 @@ pub struct TypeofReservedKeywordUsed<'tcx> { } #[derive(SessionDiagnostic)] -#[error(code = "E0572", slug = "typeck-return-stmt-outside-of-fn-body")] +#[error(typeck::return_stmt_outside_of_fn_body, code = "E0572")] pub struct ReturnStmtOutsideOfFnBody { #[primary_span] pub span: Span, - #[label = "encl-body-label"] + #[label(typeck::encl_body_label)] pub encl_body_span: Option<Span>, - #[label = "encl-fn-label"] + #[label(typeck::encl_fn_label)] pub encl_fn_span: Option<Span>, } #[derive(SessionDiagnostic)] -#[error(code = "E0627", slug = "typeck-yield-expr-outside-of-generator")] +#[error(typeck::yield_expr_outside_of_generator, code = "E0627")] pub struct YieldExprOutsideOfGenerator { #[primary_span] pub span: Span, } #[derive(SessionDiagnostic)] -#[error(code = "E0639", slug = "typeck-struct-expr-non-exhaustive")] +#[error(typeck::struct_expr_non_exhaustive, code = "E0639")] pub struct StructExprNonExhaustive { #[primary_span] pub span: Span, @@ -168,26 +168,26 @@ pub struct StructExprNonExhaustive { } #[derive(SessionDiagnostic)] -#[error(code = "E0699", slug = "typeck-method-call-on-unknown-type")] +#[error(typeck::method_call_on_unknown_type, code = "E0699")] pub struct MethodCallOnUnknownType { #[primary_span] pub span: Span, } #[derive(SessionDiagnostic)] -#[error(code = "E0719", slug = "typeck-value-of-associated-struct-already-specified")] +#[error(typeck::value_of_associated_struct_already_specified, code = "E0719")] pub struct ValueOfAssociatedStructAlreadySpecified { #[primary_span] #[label] pub span: Span, - #[label = "previous-bound-label"] + #[label(typeck::previous_bound_label)] pub prev_span: Span, pub item_name: Ident, pub def_path: String, } #[derive(SessionDiagnostic)] -#[error(code = "E0745", slug = "typeck-address-of-temporary-taken")] +#[error(typeck::address_of_temporary_taken, code = "E0745")] pub struct AddressOfTemporaryTaken { #[primary_span] #[label] @@ -197,7 +197,7 @@ pub struct AddressOfTemporaryTaken { #[derive(SessionSubdiagnostic)] pub enum AddReturnTypeSuggestion<'tcx> { #[suggestion( - slug = "typeck-add-return-type-add", + typeck::add_return_type_add, code = "-> {found} ", applicability = "machine-applicable" )] @@ -207,7 +207,7 @@ pub enum AddReturnTypeSuggestion<'tcx> { found: Ty<'tcx>, }, #[suggestion( - slug = "typeck-add-return-type-missing-here", + typeck::add_return_type_missing_here, code = "-> _ ", applicability = "has-placeholders" )] @@ -219,12 +219,12 @@ pub enum AddReturnTypeSuggestion<'tcx> { #[derive(SessionSubdiagnostic)] pub enum ExpectedReturnTypeLabel<'tcx> { - #[label(slug = "typeck-expected-default-return-type")] + #[label(typeck::expected_default_return_type)] Unit { #[primary_span] span: Span, }, - #[label(slug = "typeck-expected-return-type")] + #[label(typeck::expected_return_type)] Other { #[primary_span] span: Span, @@ -233,7 +233,7 @@ pub enum ExpectedReturnTypeLabel<'tcx> { } #[derive(SessionDiagnostic)] -#[error(slug = "typeck-unconstrained-opaque-type")] +#[error(typeck::unconstrained_opaque_type)] #[note] pub struct UnconstrainedOpaqueType { #[primary_span] @@ -301,7 +301,7 @@ impl<'a> SessionDiagnostic<'a> for MissingTypeParams { } #[derive(SessionDiagnostic)] -#[error(code = "E0183", slug = "typeck-manual-implementation")] +#[error(typeck::manual_implementation, code = "E0183")] #[help] pub struct ManualImplementation { #[primary_span] @@ -311,7 +311,7 @@ pub struct ManualImplementation { } #[derive(SessionDiagnostic)] -#[error(slug = "typeck-substs-on-overridden-impl")] +#[error(typeck::substs_on_overridden_impl)] pub struct SubstsOnOverriddenImpl { #[primary_span] pub span: Span, diff --git a/library/core/src/num/nonzero.rs b/library/core/src/num/nonzero.rs index 70969edd6ea..e570d831cc6 100644 --- a/library/core/src/num/nonzero.rs +++ b/library/core/src/num/nonzero.rs @@ -316,7 +316,6 @@ macro_rules! nonzero_unsigned_operations { /// # Examples /// /// ``` - /// #![feature(nonzero_ops)] #[doc = concat!("# use std::num::", stringify!($Ty), ";")] /// /// # fn main() { test().unwrap(); } @@ -331,7 +330,8 @@ macro_rules! nonzero_unsigned_operations { /// # Some(()) /// # } /// ``` - #[unstable(feature = "nonzero_ops", issue = "84186")] + #[stable(feature = "nonzero_checked_ops", since = "1.64.0")] + #[rustc_const_stable(feature = "const_nonzero_checked_ops", since = "1.64.0")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -351,7 +351,6 @@ macro_rules! nonzero_unsigned_operations { /// # Examples /// /// ``` - /// #![feature(nonzero_ops)] #[doc = concat!("# use std::num::", stringify!($Ty), ";")] /// /// # fn main() { test().unwrap(); } @@ -366,7 +365,8 @@ macro_rules! nonzero_unsigned_operations { /// # Some(()) /// # } /// ``` - #[unstable(feature = "nonzero_ops", issue = "84186")] + #[stable(feature = "nonzero_checked_ops", since = "1.64.0")] + #[rustc_const_stable(feature = "const_nonzero_checked_ops", since = "1.64.0")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -415,7 +415,6 @@ macro_rules! nonzero_unsigned_operations { /// # Examples /// /// ``` - /// #![feature(nonzero_ops)] #[doc = concat!("# use std::num::", stringify!($Ty), ";")] /// /// # fn main() { test().unwrap(); } @@ -432,7 +431,8 @@ macro_rules! nonzero_unsigned_operations { /// # Some(()) /// # } /// ``` - #[unstable(feature = "nonzero_ops", issue = "84186")] + #[stable(feature = "nonzero_checked_ops", since = "1.64.0")] + #[rustc_const_stable(feature = "const_nonzero_checked_ops", since = "1.64.0")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -521,7 +521,6 @@ macro_rules! nonzero_signed_operations { /// # Example /// /// ``` - /// #![feature(nonzero_ops)] #[doc = concat!("# use std::num::", stringify!($Ty), ";")] /// /// # fn main() { test().unwrap(); } @@ -534,7 +533,8 @@ macro_rules! nonzero_signed_operations { /// # Some(()) /// # } /// ``` - #[unstable(feature = "nonzero_ops", issue = "84186")] + #[stable(feature = "nonzero_checked_ops", since = "1.64.0")] + #[rustc_const_stable(feature = "const_nonzero_checked_ops", since = "1.64.0")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -551,7 +551,6 @@ macro_rules! nonzero_signed_operations { /// # Example /// /// ``` - /// #![feature(nonzero_ops)] #[doc = concat!("# use std::num::", stringify!($Ty), ";")] /// /// # fn main() { test().unwrap(); } @@ -566,7 +565,8 @@ macro_rules! nonzero_signed_operations { /// # Some(()) /// # } /// ``` - #[unstable(feature = "nonzero_ops", issue = "84186")] + #[stable(feature = "nonzero_checked_ops", since = "1.64.0")] + #[rustc_const_stable(feature = "const_nonzero_checked_ops", since = "1.64.0")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -586,7 +586,6 @@ macro_rules! nonzero_signed_operations { /// # Example /// /// ``` - /// #![feature(nonzero_ops)] #[doc = concat!("# use std::num::", stringify!($Ty), ";")] /// /// # fn main() { test().unwrap(); } @@ -602,7 +601,8 @@ macro_rules! nonzero_signed_operations { /// # Some(()) /// # } /// ``` - #[unstable(feature = "nonzero_ops", issue = "84186")] + #[stable(feature = "nonzero_checked_ops", since = "1.64.0")] + #[rustc_const_stable(feature = "const_nonzero_checked_ops", since = "1.64.0")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -621,7 +621,6 @@ macro_rules! nonzero_signed_operations { /// # Example /// /// ``` - /// #![feature(nonzero_ops)] #[doc = concat!("# use std::num::", stringify!($Ty), ";")] /// /// # fn main() { test().unwrap(); } @@ -642,7 +641,8 @@ macro_rules! nonzero_signed_operations { /// # Some(()) /// # } /// ``` - #[unstable(feature = "nonzero_ops", issue = "84186")] + #[stable(feature = "nonzero_checked_ops", since = "1.64.0")] + #[rustc_const_stable(feature = "const_nonzero_checked_ops", since = "1.64.0")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -657,7 +657,6 @@ macro_rules! nonzero_signed_operations { /// # Example /// /// ``` - /// #![feature(nonzero_ops)] #[doc = concat!("# use std::num::", stringify!($Ty), ";")] /// /// # fn main() { test().unwrap(); } @@ -677,7 +676,8 @@ macro_rules! nonzero_signed_operations { /// # Some(()) /// # } /// ``` - #[unstable(feature = "nonzero_ops", issue = "84186")] + #[stable(feature = "nonzero_checked_ops", since = "1.64.0")] + #[rustc_const_stable(feature = "const_nonzero_checked_ops", since = "1.64.0")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -692,7 +692,6 @@ macro_rules! nonzero_signed_operations { /// # Example /// /// ``` - /// #![feature(nonzero_ops)] #[doc = concat!("# use std::num::", stringify!($Ty), ";")] #[doc = concat!("# use std::num::", stringify!($Uty), ";")] /// @@ -712,7 +711,8 @@ macro_rules! nonzero_signed_operations { /// # Some(()) /// # } /// ``` - #[unstable(feature = "nonzero_ops", issue = "84186")] + #[stable(feature = "nonzero_checked_ops", since = "1.64.0")] + #[rustc_const_stable(feature = "const_nonzero_checked_ops", since = "1.64.0")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -746,7 +746,6 @@ macro_rules! nonzero_unsigned_signed_operations { /// # Examples /// /// ``` - /// #![feature(nonzero_ops)] #[doc = concat!("# use std::num::", stringify!($Ty), ";")] /// /// # fn main() { test().unwrap(); } @@ -761,7 +760,8 @@ macro_rules! nonzero_unsigned_signed_operations { /// # Some(()) /// # } /// ``` - #[unstable(feature = "nonzero_ops", issue = "84186")] + #[stable(feature = "nonzero_checked_ops", since = "1.64.0")] + #[rustc_const_stable(feature = "const_nonzero_checked_ops", since = "1.64.0")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -782,7 +782,6 @@ macro_rules! nonzero_unsigned_signed_operations { /// # Examples /// /// ``` - /// #![feature(nonzero_ops)] #[doc = concat!("# use std::num::", stringify!($Ty), ";")] /// /// # fn main() { test().unwrap(); } @@ -797,7 +796,8 @@ macro_rules! nonzero_unsigned_signed_operations { /// # Some(()) /// # } /// ``` - #[unstable(feature = "nonzero_ops", issue = "84186")] + #[stable(feature = "nonzero_checked_ops", since = "1.64.0")] + #[rustc_const_stable(feature = "const_nonzero_checked_ops", since = "1.64.0")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -855,7 +855,6 @@ macro_rules! nonzero_unsigned_signed_operations { /// # Examples /// /// ``` - /// #![feature(nonzero_ops)] #[doc = concat!("# use std::num::", stringify!($Ty), ";")] /// /// # fn main() { test().unwrap(); } @@ -870,7 +869,8 @@ macro_rules! nonzero_unsigned_signed_operations { /// # Some(()) /// # } /// ``` - #[unstable(feature = "nonzero_ops", issue = "84186")] + #[stable(feature = "nonzero_checked_ops", since = "1.64.0")] + #[rustc_const_stable(feature = "const_nonzero_checked_ops", since = "1.64.0")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -899,7 +899,6 @@ macro_rules! nonzero_unsigned_signed_operations { /// # Examples /// /// ``` - /// #![feature(nonzero_ops)] #[doc = concat!("# use std::num::", stringify!($Ty), ";")] /// /// # fn main() { test().unwrap(); } @@ -914,7 +913,8 @@ macro_rules! nonzero_unsigned_signed_operations { /// # Some(()) /// # } /// ``` - #[unstable(feature = "nonzero_ops", issue = "84186")] + #[stable(feature = "nonzero_checked_ops", since = "1.64.0")] + #[rustc_const_stable(feature = "const_nonzero_checked_ops", since = "1.64.0")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] diff --git a/library/std/src/alloc.rs b/library/std/src/alloc.rs index d554ec59035..a05e0db3af7 100644 --- a/library/std/src/alloc.rs +++ b/library/std/src/alloc.rs @@ -102,7 +102,7 @@ pub use alloc_crate::alloc::*; /// if !ret.is_null() { /// ALLOCATED.fetch_add(layout.size(), SeqCst); /// } -/// return ret +/// ret /// } /// /// unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) { diff --git a/library/std/src/sys/itron/abi.rs b/library/std/src/sys/itron/abi.rs index f99ee4fa897..5eb14bb7e53 100644 --- a/library/std/src/sys/itron/abi.rs +++ b/library/std/src/sys/itron/abi.rs @@ -30,15 +30,32 @@ pub type ER = int_t; /// Error code type, `ID` on success pub type ER_ID = int_t; +/// Service call operational mode +pub type MODE = uint_t; + +/// OR waiting condition for an eventflag +pub const TWF_ORW: MODE = 0x01; + +/// Object attributes +pub type ATR = uint_t; + +/// FIFO wait order +pub const TA_FIFO: ATR = 0; +/// Only one task is allowed to be in the waiting state for the eventflag +pub const TA_WSGL: ATR = 0; +/// The eventflag’s bit pattern is cleared when a task is released from the +/// waiting state for that eventflag. +pub const TA_CLR: ATR = 0x04; + +/// Bit pattern of an eventflag +pub type FLGPTN = uint_t; + /// Task or interrupt priority pub type PRI = int_t; /// The special value of `PRI` representing the current task's priority. pub const TPRI_SELF: PRI = 0; -/// Object attributes -pub type ATR = uint_t; - /// Use the priority inheritance protocol #[cfg(target_os = "solid_asp3")] pub const TA_INHERIT: ATR = 0x02; @@ -92,6 +109,13 @@ pub struct T_CSEM { #[derive(Clone, Copy)] #[repr(C)] +pub struct T_CFLG { + pub flgatr: ATR, + pub iflgptn: FLGPTN, +} + +#[derive(Clone, Copy)] +#[repr(C)] pub struct T_CMTX { pub mtxatr: ATR, pub ceilpri: PRI, @@ -139,6 +163,24 @@ extern "C" { pub fn sns_dsp() -> bool_t; #[link_name = "__asp3_get_tim"] pub fn get_tim(p_systim: *mut SYSTIM) -> ER; + #[link_name = "__asp3_acre_flg"] + pub fn acre_flg(pk_cflg: *const T_CFLG) -> ER_ID; + #[link_name = "__asp3_del_flg"] + pub fn del_flg(flgid: ID) -> ER; + #[link_name = "__asp3_set_flg"] + pub fn set_flg(flgid: ID, setptn: FLGPTN) -> ER; + #[link_name = "__asp3_clr_flg"] + pub fn clr_flg(flgid: ID, clrptn: FLGPTN) -> ER; + #[link_name = "__asp3_wai_flg"] + pub fn wai_flg(flgid: ID, waiptn: FLGPTN, wfmode: MODE, p_flgptn: *mut FLGPTN) -> ER; + #[link_name = "__asp3_twai_flg"] + pub fn twai_flg( + flgid: ID, + waiptn: FLGPTN, + wfmode: MODE, + p_flgptn: *mut FLGPTN, + tmout: TMO, + ) -> ER; #[link_name = "__asp3_acre_mtx"] pub fn acre_mtx(pk_cmtx: *const T_CMTX) -> ER_ID; #[link_name = "__asp3_del_mtx"] diff --git a/library/std/src/sys/itron/wait_flag.rs b/library/std/src/sys/itron/wait_flag.rs new file mode 100644 index 00000000000..e432edd2077 --- /dev/null +++ b/library/std/src/sys/itron/wait_flag.rs @@ -0,0 +1,72 @@ +use crate::mem::MaybeUninit; +use crate::time::Duration; + +use super::{ + abi, + error::{expect_success, fail}, + time::with_tmos, +}; + +const CLEAR: abi::FLGPTN = 0; +const RAISED: abi::FLGPTN = 1; + +/// A thread parking primitive that is not susceptible to race conditions, +/// but provides no atomic ordering guarantees and allows only one `raise` per wait. +pub struct WaitFlag { + flag: abi::ID, +} + +impl WaitFlag { + /// Creates a new wait flag. + pub fn new() -> WaitFlag { + let flag = expect_success( + unsafe { + abi::acre_flg(&abi::T_CFLG { + flgatr: abi::TA_FIFO | abi::TA_WSGL | abi::TA_CLR, + iflgptn: CLEAR, + }) + }, + &"acre_flg", + ); + + WaitFlag { flag } + } + + /// Wait for the wait flag to be raised. + pub fn wait(&self) { + let mut token = MaybeUninit::uninit(); + expect_success( + unsafe { abi::wai_flg(self.flag, RAISED, abi::TWF_ORW, token.as_mut_ptr()) }, + &"wai_flg", + ); + } + + /// Wait for the wait flag to be raised or the timeout to occur. + /// + /// Returns whether the flag was raised (`true`) or the operation timed out (`false`). + pub fn wait_timeout(&self, dur: Duration) -> bool { + let mut token = MaybeUninit::uninit(); + let res = with_tmos(dur, |tmout| unsafe { + abi::twai_flg(self.flag, RAISED, abi::TWF_ORW, token.as_mut_ptr(), tmout) + }); + + match res { + abi::E_OK => true, + abi::E_TMOUT => false, + error => fail(error, &"twai_flg"), + } + } + + /// Raise the wait flag. + /// + /// Calls to this function should be balanced with the number of successful waits. + pub fn raise(&self) { + expect_success(unsafe { abi::set_flg(self.flag, RAISED) }, &"set_flg"); + } +} + +impl Drop for WaitFlag { + fn drop(&mut self) { + expect_success(unsafe { abi::del_flg(self.flag) }, &"del_flg"); + } +} diff --git a/library/std/src/sys/solid/mod.rs b/library/std/src/sys/solid/mod.rs index 5ffa381f2e5..2d21e4764fc 100644 --- a/library/std/src/sys/solid/mod.rs +++ b/library/std/src/sys/solid/mod.rs @@ -15,6 +15,7 @@ mod itron { pub mod thread; pub(super) mod time; use super::unsupported; + pub mod wait_flag; } pub mod alloc; @@ -43,6 +44,7 @@ pub mod memchr; pub mod thread_local_dtor; pub mod thread_local_key; pub mod time; +pub use self::itron::wait_flag; mod rwlock; diff --git a/library/std/src/sys_common/thread_parker/mod.rs b/library/std/src/sys_common/thread_parker/mod.rs index 7e8bfb2565e..cbd7832eb7a 100644 --- a/library/std/src/sys_common/thread_parker/mod.rs +++ b/library/std/src/sys_common/thread_parker/mod.rs @@ -10,9 +10,10 @@ cfg_if::cfg_if! { ))] { mod futex; pub use futex::Parker; - } else if #[cfg(windows)] { - pub use crate::sys::thread_parker::Parker; - } else if #[cfg(target_family = "unix")] { + } else if #[cfg(target_os = "solid_asp3")] { + mod wait_flag; + pub use wait_flag::Parker; + } else if #[cfg(any(windows, target_family = "unix"))] { pub use crate::sys::thread_parker::Parker; } else { mod generic; diff --git a/library/std/src/sys_common/thread_parker/wait_flag.rs b/library/std/src/sys_common/thread_parker/wait_flag.rs new file mode 100644 index 00000000000..6561c186655 --- /dev/null +++ b/library/std/src/sys_common/thread_parker/wait_flag.rs @@ -0,0 +1,102 @@ +//! A wait-flag-based thread parker. +//! +//! Some operating systems provide low-level parking primitives like wait counts, +//! event flags or semaphores which are not susceptible to race conditions (meaning +//! the wakeup can occur before the wait operation). To implement the `std` thread +//! parker on top of these primitives, we only have to ensure that parking is fast +//! when the thread token is available, the atomic ordering guarantees are maintained +//! and spurious wakeups are minimized. +//! +//! To achieve this, this parker uses an atomic variable with three states: `EMPTY`, +//! `PARKED` and `NOTIFIED`: +//! * `EMPTY` means the token has not been made available, but the thread is not +//! currently waiting on it. +//! * `PARKED` means the token is not available and the thread is parked. +//! * `NOTIFIED` means the token is available. +//! +//! `park` and `park_timeout` change the state from `EMPTY` to `PARKED` and from +//! `NOTIFIED` to `EMPTY`. If the state was `NOTIFIED`, the thread was unparked and +//! execution can continue without calling into the OS. If the state was `EMPTY`, +//! the token is not available and the thread waits on the primitive (here called +//! "wait flag"). +//! +//! `unpark` changes the state to `NOTIFIED`. If the state was `PARKED`, the thread +//! is or will be sleeping on the wait flag, so we raise it. + +use crate::pin::Pin; +use crate::sync::atomic::AtomicI8; +use crate::sync::atomic::Ordering::{Acquire, Relaxed, Release}; +use crate::sys::wait_flag::WaitFlag; +use crate::time::Duration; + +const EMPTY: i8 = 0; +const PARKED: i8 = -1; +const NOTIFIED: i8 = 1; + +pub struct Parker { + state: AtomicI8, + wait_flag: WaitFlag, +} + +impl Parker { + /// Construct a parker for the current thread. The UNIX parker + /// implementation requires this to happen in-place. + pub unsafe fn new(parker: *mut Parker) { + parker.write(Parker { state: AtomicI8::new(EMPTY), wait_flag: WaitFlag::new() }) + } + + // This implementation doesn't require `unsafe` and `Pin`, but other implementations do. + pub unsafe fn park(self: Pin<&Self>) { + match self.state.fetch_sub(1, Acquire) { + // NOTIFIED => EMPTY + NOTIFIED => return, + // EMPTY => PARKED + EMPTY => (), + _ => panic!("inconsistent park state"), + } + + // Avoid waking up from spurious wakeups (these are quite likely, see below). + loop { + self.wait_flag.wait(); + + match self.state.compare_exchange(NOTIFIED, EMPTY, Acquire, Relaxed) { + Ok(_) => return, + Err(PARKED) => (), + Err(_) => panic!("inconsistent park state"), + } + } + } + + // This implementation doesn't require `unsafe` and `Pin`, but other implementations do. + pub unsafe fn park_timeout(self: Pin<&Self>, dur: Duration) { + match self.state.fetch_sub(1, Acquire) { + NOTIFIED => return, + EMPTY => (), + _ => panic!("inconsistent park state"), + } + + self.wait_flag.wait_timeout(dur); + + // Either a wakeup or a timeout occurred. Wakeups may be spurious, as there can be + // a race condition when `unpark` is performed between receiving the timeout and + // resetting the state, resulting in the eventflag being set unnecessarily. `park` + // is protected against this by looping until the token is actually given, but + // here we cannot easily tell. + + // Use `swap` to provide acquire ordering. + match self.state.swap(EMPTY, Acquire) { + NOTIFIED => (), + PARKED => (), + _ => panic!("inconsistent park state"), + } + } + + // This implementation doesn't require `Pin`, but other implementations do. + pub fn unpark(self: Pin<&Self>) { + let state = self.state.swap(NOTIFIED, Release); + + if state == PARKED { + self.wait_flag.raise(); + } + } +} diff --git a/src/bootstrap/bootstrap.py b/src/bootstrap/bootstrap.py index 457fedd2d8a..8000e60f64d 100644 --- a/src/bootstrap/bootstrap.py +++ b/src/bootstrap/bootstrap.py @@ -743,7 +743,7 @@ class RustBuild(object): """ return os.path.join(self.build_dir, "bootstrap", "debug", "bootstrap") - def build_bootstrap(self): + def build_bootstrap(self, color): """Build bootstrap""" print("Building rustbuild") build_dir = os.path.join(self.build_dir, "bootstrap") @@ -800,6 +800,11 @@ class RustBuild(object): if self.get_toml("metrics", "build"): args.append("--features") args.append("build-metrics") + if color == "always": + args.append("--color=always") + elif color == "never": + args.append("--color=never") + run(args, env=env, verbose=self.verbose) def build_triple(self): @@ -862,6 +867,7 @@ def bootstrap(help_triggered): parser = argparse.ArgumentParser(description='Build rust') parser.add_argument('--config') parser.add_argument('--build') + parser.add_argument('--color', choices=['always', 'never', 'auto']) parser.add_argument('--clean', action='store_true') parser.add_argument('-v', '--verbose', action='count', default=0) @@ -930,7 +936,7 @@ def bootstrap(help_triggered): # Fetch/build the bootstrap build.download_toolchain() sys.stdout.flush() - build.build_bootstrap() + build.build_bootstrap(args.color) sys.stdout.flush() # Run the bootstrap diff --git a/src/librustdoc/html/static/css/rustdoc.css b/src/librustdoc/html/static/css/rustdoc.css index b4b7790eebb..5d0756d30fb 100644 --- a/src/librustdoc/html/static/css/rustdoc.css +++ b/src/librustdoc/html/static/css/rustdoc.css @@ -983,42 +983,51 @@ table, font-weight: normal; } -body.blur > :not(#help) { - filter: blur(8px); - -webkit-filter: blur(8px); - opacity: .7; +.popover { + font-size: 1rem; + position: absolute; + right: 0; + z-index: 2; + display: block; + margin-top: 7px; + border-radius: 3px; + border: 1px solid; + font-size: 1rem; } -#help { - width: 100%; - height: 100vh; - position: fixed; - top: 0; - left: 0; - display: flex; - justify-content: center; - align-items: center; +/* This rule is to draw the little arrow connecting the settings menu to the gear icon. */ +.popover::before { + content: ''; + position: absolute; + right: 11px; + border: solid; + border-width: 1px 1px 0 0; + display: inline-block; + padding: 4px; + transform: rotate(-45deg); + top: -5px; } -#help > div { - flex: 0 0 auto; - box-shadow: 0 0 6px rgba(0,0,0,.2); - width: 550px; - height: auto; - border: 1px solid; + +#help-button .popover { + max-width: 600px; } -#help dt { + +#help-button .popover::before { + right: 48px; +} + +#help-button dt { float: left; clear: left; display: block; margin-right: 0.5rem; } -#help span.top, #help span.bottom { +#help-button span.top, #help-button span.bottom { text-align: center; display: block; font-size: 1.125rem; - } -#help span.top { +#help-button span.top { text-align: center; display: block; margin: 10px 0; @@ -1026,17 +1035,17 @@ body.blur > :not(#help) { padding-bottom: 4px; margin-bottom: 6px; } -#help span.bottom { +#help-button span.bottom { clear: both; border-top: 1px solid; } -#help dd { margin: 5px 35px; } -#help .infos { padding-left: 0; } -#help h1, #help h2 { margin-top: 0; } -#help > div div { +.side-by-side { + text-align: initial; +} +.side-by-side > div { width: 50%; float: left; - padding: 0 20px 20px 17px;; + padding: 0 20px 20px 17px; } .item-info .stab { @@ -1391,7 +1400,7 @@ pre.rust { #copy-path { height: 34px; } -#settings-menu > a, #help-button, #copy-path { +#settings-menu > a, #help-button > button, #copy-path { padding: 5px; width: 33px; border: 1px solid; @@ -1401,9 +1410,8 @@ pre.rust { #settings-menu { padding: 0; } -#settings-menu > a { +#settings-menu > a, #help-button > button { padding: 5px; - width: 100%; height: 100%; display: block; } @@ -1420,7 +1428,7 @@ pre.rust { animation: rotating 2s linear infinite; } -#help-button { +#help-button > button { font-family: "Fira Sans", Arial, sans-serif; text-align: center; /* Rare exception to specifying font sizes in rem. Since this is acting diff --git a/src/librustdoc/html/static/css/settings.css b/src/librustdoc/html/static/css/settings.css index 1cd8e39e036..e531e6ce6bb 100644 --- a/src/librustdoc/html/static/css/settings.css +++ b/src/librustdoc/html/static/css/settings.css @@ -86,27 +86,6 @@ input:checked + .slider:before { display: block; } -div#settings { - position: absolute; - right: 0; - z-index: 1; - display: block; - margin-top: 7px; - border-radius: 3px; - border: 1px solid; -} #settings .setting-line { margin: 1.2em 0.6em; } -/* This rule is to draw the little arrow connecting the settings menu to the gear icon. */ -div#settings::before { - content: ''; - position: absolute; - right: 11px; - border: solid; - border-width: 1px 1px 0 0; - display: inline-block; - padding: 4px; - transform: rotate(-45deg); - top: -5px; -} diff --git a/src/librustdoc/html/static/css/themes/ayu.css b/src/librustdoc/html/static/css/themes/ayu.css index 5b37ecf19da..b7d0db1f002 100644 --- a/src/librustdoc/html/static/css/themes/ayu.css +++ b/src/librustdoc/html/static/css/themes/ayu.css @@ -5,7 +5,7 @@ Original by Dempfi (https://github.com/dempfi/ayu) /* General structure and fonts */ -body, #settings-menu #settings, #settings-menu #settings::before { +body, .popover, .popover::before { background-color: #0f1419; color: #c5c5c5; } @@ -567,7 +567,7 @@ kbd { box-shadow: inset 0 -1px 0 #5c6773; } -#settings-menu > a, #help-button { +#settings-menu > a, #help-button > button { border-color: #5c6773; background-color: #0f1419; color: #fff; @@ -577,7 +577,8 @@ kbd { filter: invert(100); } -#settings-menu #settings, #settings-menu #settings::before { +.popover, .popover::before, +#help-button span.top, #help-button span.bottom { border-color: #5c6773; } @@ -592,7 +593,7 @@ kbd { } #settings-menu > a:hover, #settings-menu > a:focus, -#help-button:hover, #help-button:focus { +#help-button > button:hover, #help-button > button:focus { border-color: #e0e0e0; } diff --git a/src/librustdoc/html/static/css/themes/dark.css b/src/librustdoc/html/static/css/themes/dark.css index ffb59f7762b..eb64ef3e771 100644 --- a/src/librustdoc/html/static/css/themes/dark.css +++ b/src/librustdoc/html/static/css/themes/dark.css @@ -1,4 +1,4 @@ -body, #settings-menu #settings, #settings-menu #settings::before { +body, .popover, .popover::before { background-color: #353535; color: #ddd; } @@ -442,18 +442,19 @@ kbd { box-shadow: inset 0 -1px 0 #c6cbd1; } -#settings-menu > a, #help-button { +#settings-menu > a, #help-button > button { border-color: #e0e0e0; background: #f0f0f0; color: #000; } #settings-menu > a:hover, #settings-menu > a:focus, -#help-button:hover, #help-button:focus { +#help-button > button:hover, #help-button > button:focus { border-color: #ffb900; } -#settings-menu #settings, #settings-menu #settings::before { +.popover, .popover::before, +#help-button span.top, #help-button span.bottom { border-color: #d2d2d2; } diff --git a/src/librustdoc/html/static/css/themes/light.css b/src/librustdoc/html/static/css/themes/light.css index ba798ee2a0e..00cdf835897 100644 --- a/src/librustdoc/html/static/css/themes/light.css +++ b/src/librustdoc/html/static/css/themes/light.css @@ -1,6 +1,6 @@ /* General structure and fonts */ -body, #settings-menu #settings, #settings-menu #settings::before { +body, .popover, .popover::before { background-color: white; color: black; } @@ -427,17 +427,18 @@ kbd { box-shadow: inset 0 -1px 0 #c6cbd1; } -#settings-menu > a, #help-button { +#settings-menu > a, #help-button > button { border-color: #e0e0e0; background-color: #fff; } #settings-menu > a:hover, #settings-menu > a:focus, -#help-button:hover, #help-button:focus { +#help-button > button:hover, #help-button > button:focus { border-color: #717171; } -#settings-menu #settings, #settings-menu #settings::before { +.popover, .popover::before, +#help-button span.top, #help-button span.bottom { border-color: #DDDDDD; } diff --git a/src/librustdoc/html/static/js/main.js b/src/librustdoc/html/static/js/main.js index b320db91046..70dbfd44425 100644 --- a/src/librustdoc/html/static/js/main.js +++ b/src/librustdoc/html/static/js/main.js @@ -63,6 +63,24 @@ function showMain() { removeClass(document.getElementById(MAIN_ID), "hidden"); } +function elemIsInParent(elem, parent) { + while (elem && elem !== document.body) { + if (elem === parent) { + return true; + } + elem = elem.parentElement; + } + return false; +} + +function blurHandler(event, parentElem, hideCallback) { + if (!elemIsInParent(document.activeElement, parentElem) && + !elemIsInParent(event.relatedTarget, parentElem) + ) { + hideCallback(); + } +} + (function() { window.rootPath = getVar("root-path"); window.currentCrate = getVar("current-crate"); @@ -104,20 +122,21 @@ const MAIN_ID = "main-content"; const SETTINGS_BUTTON_ID = "settings-menu"; const ALTERNATIVE_DISPLAY_ID = "alternative-display"; const NOT_DISPLAYED_ID = "not-displayed"; +const HELP_BUTTON_ID = "help-button"; function getSettingsButton() { return document.getElementById(SETTINGS_BUTTON_ID); } +function getHelpButton() { + return document.getElementById(HELP_BUTTON_ID); +} + // Returns the current URL without any query parameter or hash. function getNakedUrl() { return window.location.href.split("?")[0].split("#")[0]; } -window.hideSettings = () => { - // Does nothing by default. -}; - /** * This function inserts `newNode` after `referenceNode`. It doesn't work if `referenceNode` * doesn't have a parent node. @@ -381,55 +400,16 @@ function loadCss(cssFileName) { openParentDetails(document.getElementById(id)); } - function getHelpElement(build) { - if (build) { - buildHelperPopup(); - } - return document.getElementById("help"); - } - - /** - * Show the help popup. - * - * @param {boolean} display - Whether to show or hide the popup - * @param {Event} ev - The event that triggered this call - * @param {Element} [help] - The help element if it already exists - */ - function displayHelp(display, ev, help) { - if (display) { - help = help ? help : getHelpElement(true); - if (hasClass(help, "hidden")) { - ev.preventDefault(); - removeClass(help, "hidden"); - addClass(document.body, "blur"); - } - } else { - // No need to build the help popup if we want to hide it in case it hasn't been - // built yet... - help = help ? help : getHelpElement(false); - if (help && !hasClass(help, "hidden")) { - ev.preventDefault(); - addClass(help, "hidden"); - removeClass(document.body, "blur"); - } - } - } - function handleEscape(ev) { searchState.clearInputTimeout(); - const help = getHelpElement(false); - if (help && !hasClass(help, "hidden")) { - displayHelp(false, ev, help); - } else { - switchDisplayedElement(null); - if (browserSupportsHistoryApi()) { - history.replaceState(null, window.currentCrate + " - Rust", - getNakedUrl() + window.location.hash); - } - ev.preventDefault(); + switchDisplayedElement(null); + if (browserSupportsHistoryApi()) { + history.replaceState(null, window.currentCrate + " - Rust", + getNakedUrl() + window.location.hash); } + ev.preventDefault(); searchState.defocus(); - window.hideSettings(); + window.hidePopoverMenus(); } const disableShortcuts = getSettingValue("disable-shortcuts") === "true"; @@ -453,7 +433,6 @@ function loadCss(cssFileName) { case "s": case "S": - displayHelp(false, ev); ev.preventDefault(); searchState.focus(); break; @@ -465,7 +444,7 @@ function loadCss(cssFileName) { break; case "?": - displayHelp(true, ev); + showHelp(); break; default: @@ -796,9 +775,6 @@ function loadCss(cssFileName) { elem.addEventListener("click", f); } } - handleClick("help-button", ev => { - displayHelp(true, ev); - }); handleClick(MAIN_ID, () => { hideSidebar(); }); @@ -842,24 +818,16 @@ function loadCss(cssFileName) { }); } - let buildHelperPopup = () => { - const popup = document.createElement("aside"); - addClass(popup, "hidden"); - popup.id = "help"; - - popup.addEventListener("click", ev => { - if (ev.target === popup) { - // Clicked the blurred zone outside the help popup; dismiss help. - displayHelp(false, ev); - } - }); + function helpBlurHandler(event) { + blurHandler(event, getHelpButton(), window.hidePopoverMenus); + } + function buildHelpMenu() { const book_info = document.createElement("span"); book_info.className = "top"; book_info.innerHTML = "You can find more information in \ <a href=\"https://doc.rust-lang.org/rustdoc/\">the rustdoc book</a>."; - const container = document.createElement("div"); const shortcuts = [ ["?", "Show this help dialog"], ["S", "Focus the search field"], @@ -895,24 +863,85 @@ function loadCss(cssFileName) { addClass(div_infos, "infos"); div_infos.innerHTML = "<h2>Search Tricks</h2>" + infos; - container.appendChild(book_info); - container.appendChild(div_shortcuts); - container.appendChild(div_infos); - const rustdoc_version = document.createElement("span"); rustdoc_version.className = "bottom"; const rustdoc_version_code = document.createElement("code"); rustdoc_version_code.innerText = "rustdoc " + getVar("rustdoc-version"); rustdoc_version.appendChild(rustdoc_version_code); + const container = document.createElement("div"); + container.className = "popover"; + container.style.display = "none"; + + const side_by_side = document.createElement("div"); + side_by_side.className = "side-by-side"; + side_by_side.appendChild(div_shortcuts); + side_by_side.appendChild(div_infos); + + container.appendChild(book_info); + container.appendChild(side_by_side); container.appendChild(rustdoc_version); - popup.appendChild(container); - insertAfter(popup, document.querySelector("main")); - // So that it's only built once and then it'll do nothing when called! - buildHelperPopup = () => {}; + const help_button = getHelpButton(); + help_button.appendChild(container); + + container.onblur = helpBlurHandler; + container.onclick = event => { + event.preventDefault(); + }; + help_button.onblur = helpBlurHandler; + help_button.children[0].onblur = helpBlurHandler; + + return container; + } + + /** + * Hide all the popover menus. + */ + window.hidePopoverMenus = function() { + onEachLazy(document.querySelectorAll(".search-container .popover"), elem => { + elem.style.display = "none"; + }); }; + /** + * Returns the help menu element (not the button). + * + * @param {boolean} buildNeeded - If this argument is `false`, the help menu element won't be + * built if it doesn't exist. + * + * @return {HTMLElement} + */ + function getHelpMenu(buildNeeded) { + let menu = getHelpButton().querySelector(".popover"); + if (!menu && buildNeeded) { + menu = buildHelpMenu(); + } + return menu; + } + + /** + * Show the help popup menu. + */ + function showHelp() { + const menu = getHelpMenu(true); + if (menu.style.display === "none") { + menu.style.display = ""; + } + } + + document.querySelector(`#${HELP_BUTTON_ID} > button`).addEventListener("click", event => { + const target = event.target; + if (target.tagName !== "BUTTON" || target.parentElement.id !== HELP_BUTTON_ID) { + return; + } + const menu = getHelpMenu(true); + const shouldShowHelp = menu.style.display === "none"; + if (shouldShowHelp) { + showHelp(); + } + }); + setMobileTopbar(); addSidebarItems(); addSidebarCrates(); diff --git a/src/librustdoc/html/static/js/settings.js b/src/librustdoc/html/static/js/settings.js index 41bf0ec8955..797b931afc6 100644 --- a/src/librustdoc/html/static/js/settings.js +++ b/src/librustdoc/html/static/js/settings.js @@ -1,6 +1,6 @@ // Local js definitions: /* global getSettingValue, getVirtualKey, updateLocalStorage, updateSystemTheme */ -/* global addClass, removeClass, onEach, onEachLazy */ +/* global addClass, removeClass, onEach, onEachLazy, blurHandler, elemIsInParent */ /* global MAIN_ID, getVar, getSettingsButton */ "use strict"; @@ -209,6 +209,7 @@ const innerHTML = `<div class="settings">${buildSettingsPageSections(settings)}</div>`; const el = document.createElement(elementKind); el.id = "settings"; + el.className = "popover"; el.innerHTML = innerHTML; if (isSettingsPage) { @@ -226,23 +227,8 @@ settingsMenu.style.display = ""; } - function elemIsInParent(elem, parent) { - while (elem && elem !== document.body) { - if (elem === parent) { - return true; - } - elem = elem.parentElement; - } - return false; - } - - function blurHandler(event) { - const settingsButton = getSettingsButton(); - if (!elemIsInParent(document.activeElement, settingsButton) && - !elemIsInParent(event.relatedTarget, settingsButton) - ) { - window.hideSettings(); - } + function settingsBlurHandler(event) { + blurHandler(event, getSettingsButton(), window.hidePopoverMenus); } if (isSettingsPage) { @@ -254,26 +240,24 @@ // We replace the existing "onclick" callback. const settingsButton = getSettingsButton(); const settingsMenu = document.getElementById("settings"); - window.hideSettings = function() { - settingsMenu.style.display = "none"; - }; settingsButton.onclick = function(event) { if (elemIsInParent(event.target, settingsMenu)) { return; } event.preventDefault(); - if (settingsMenu.style.display !== "none") { - window.hideSettings(); - } else { + const shouldDisplaySettings = settingsMenu.style.display === "none"; + + window.hidePopoverMenus(); + if (shouldDisplaySettings) { displaySettings(); } }; - settingsButton.onblur = blurHandler; - settingsButton.querySelector("a").onblur = blurHandler; + settingsButton.onblur = settingsBlurHandler; + settingsButton.querySelector("a").onblur = settingsBlurHandler; onEachLazy(settingsMenu.querySelectorAll("input"), el => { - el.onblur = blurHandler; + el.onblur = settingsBlurHandler; }); - settingsMenu.onblur = blurHandler; + settingsMenu.onblur = settingsBlurHandler; } // We now wait a bit for the web browser to end re-computing the DOM... diff --git a/src/librustdoc/html/templates/page.html b/src/librustdoc/html/templates/page.html index c4999e2c74f..dfb3e4e6a2c 100644 --- a/src/librustdoc/html/templates/page.html +++ b/src/librustdoc/html/templates/page.html @@ -119,7 +119,9 @@ spellcheck="false" {# -#} placeholder="Click or press ‘S’ to search, ‘?’ for more options…" {# -#} type="search"> {#- -#} - <button type="button" id="help-button" title="help">?</button> {#- -#} + <div id="help-button" title="help" tabindex="-1"> {#- -#} + <button type="button">?</button> {#- -#} + </div> {#- -#} <div id="settings-menu" tabindex="-1"> <a href="{{page.root_path|safe}}settings.html" title="settings"> {#- -#} <img width="22" height="22" alt="Change settings" {# -#} diff --git a/src/test/rustdoc-gui/escape-key.goml b/src/test/rustdoc-gui/escape-key.goml index 8713bf65c84..d083b0ae0c9 100644 --- a/src/test/rustdoc-gui/escape-key.goml +++ b/src/test/rustdoc-gui/escape-key.goml @@ -21,17 +21,6 @@ wait-for: "#alternative-display #search" assert-attribute: ("#main-content", {"class": "content hidden"}) assert-document-property: ({"URL": "index.html?search=test"}, ENDS_WITH) -// Now let's check that when the help popup is displayed and we press Escape, it doesn't -// hide the search results too. -click: "#help-button" -assert-document-property: ({"URL": "index.html?search=test"}, [ENDS_WITH]) -assert-attribute: ("#help", {"class": ""}) -press-key: "Escape" -wait-for: "#alternative-display #search" -assert-attribute: ("#help", {"class": "hidden"}) -assert-attribute: ("#main-content", {"class": "content hidden"}) -assert-document-property: ({"URL": "index.html?search=test"}, [ENDS_WITH]) - // Check that Escape hides the search results when a search result is focused. focus: ".search-input" assert: ".search-input:focus" @@ -39,7 +28,6 @@ press-key: "ArrowDown" assert-false: ".search-input:focus" assert: "#results a:focus" press-key: "Escape" -assert-attribute: ("#help", {"class": "hidden"}) wait-for: "#not-displayed #search" assert-false: "#alternative-display #search" assert-attribute: ("#main-content", {"class": "content"}) diff --git a/src/test/rustdoc-gui/pocket-menu.goml b/src/test/rustdoc-gui/pocket-menu.goml new file mode 100644 index 00000000000..ba2986e969a --- /dev/null +++ b/src/test/rustdoc-gui/pocket-menu.goml @@ -0,0 +1,72 @@ +// This test ensures that the "pocket menus" are working as expected. +goto: file://|DOC_PATH|/test_docs/index.html +// First we check that the help menu doesn't exist yet. +assert-false: "#help-button .popover" +// Then we display the help menu. +click: "#help-button" +assert: "#help-button .popover" +assert-css: ("#help-button .popover", {"display": "block"}) + +// Now we click somewhere else on the page to ensure it is handling the blur event +// correctly. +click: ".sidebar" +assert-css: ("#help-button .popover", {"display": "none"}) + +// Now we will check that we cannot have two "pocket menus" displayed at the same time. +click: "#help-button" +assert-css: ("#help-button .popover", {"display": "block"}) +click: "#settings-menu" +assert-css: ("#help-button .popover", {"display": "none"}) +assert-css: ("#settings-menu .popover", {"display": "block"}) + +// Now the other way. +click: "#help-button" +assert-css: ("#help-button .popover", {"display": "block"}) +assert-css: ("#settings-menu .popover", {"display": "none"}) + +// We check the borders color now: + +// Ayu theme +local-storage: { + "rustdoc-theme": "ayu", + "rustdoc-use-system-theme": "false", +} +reload: + +click: "#help-button" +assert-css: ( + "#help-button .popover", + {"display": "block", "border-color": "rgb(92, 103, 115)"}, +) +compare-elements-css: ("#help-button .popover", "#help-button .top", ["border-color"]) +compare-elements-css: ("#help-button .popover", "#help-button .bottom", ["border-color"]) + +// Dark theme +local-storage: { + "rustdoc-theme": "dark", + "rustdoc-use-system-theme": "false", +} +reload: + +click: "#help-button" +assert-css: ( + "#help-button .popover", + {"display": "block", "border-color": "rgb(210, 210, 210)"}, +) +compare-elements-css: ("#help-button .popover", "#help-button .top", ["border-color"]) +compare-elements-css: ("#help-button .popover", "#help-button .bottom", ["border-color"]) + +// Light theme +local-storage: { + "rustdoc-theme": "light", + "rustdoc-use-system-theme": "false", +} +reload: + +click: "#help-button" +assert-css: ( + "#help-button .popover", + {"display": "block", "border-color": "rgb(221, 221, 221)"}, +) +compare-elements-css: ("#help-button .popover", "#help-button .top", ["border-color"]) +compare-elements-css: ("#help-button .popover", "#help-button .bottom", ["border-color"]) diff --git a/src/test/rustdoc-gui/shortcuts.goml b/src/test/rustdoc-gui/shortcuts.goml index 37a7c166294..1f20a0eaa99 100644 --- a/src/test/rustdoc-gui/shortcuts.goml +++ b/src/test/rustdoc-gui/shortcuts.goml @@ -8,7 +8,6 @@ press-key: "Escape" assert-false: "input.search-input:focus" // We now check for the help popup. press-key: "?" -assert-css: ("#help", {"display": "flex"}) -assert-false: "#help.hidden" +assert-css: ("#help-button .popover", {"display": "block"}) press-key: "Escape" -assert-css: ("#help.hidden", {"display": "none"}) +assert-css: ("#help-button .popover", {"display": "none"}) diff --git a/src/test/rustdoc/generic_const_exprs.rs b/src/test/rustdoc/generic_const_exprs.rs new file mode 100644 index 00000000000..6ff59163975 --- /dev/null +++ b/src/test/rustdoc/generic_const_exprs.rs @@ -0,0 +1,24 @@ +// Regression test for <https://github.com/rust-lang/rust/issues/92859>. + +#![allow(incomplete_features)] +#![feature(generic_const_exprs)] + +#![crate_name = "foo"] + +// @has 'foo/trait.Foo.html' + +pub trait Foo: Sized { + const WIDTH: usize; + + fn arrayify(self) -> [Self; Self::WIDTH]; +} + +impl<T: Sized> Foo for T { + const WIDTH: usize = 1; + + // @has - '//*[@id="tymethod.arrayify"]/*[@class="code-header"]' \ + // 'fn arrayify(self) -> [Self; Self::WIDTH]' + fn arrayify(self) -> [Self; Self::WIDTH] { + [self] + } +} diff --git a/src/test/ui-fulldeps/internal-lints/diagnostics.rs b/src/test/ui-fulldeps/internal-lints/diagnostics.rs index 817d8531da9..d6f63d44ba6 100644 --- a/src/test/ui-fulldeps/internal-lints/diagnostics.rs +++ b/src/test/ui-fulldeps/internal-lints/diagnostics.rs @@ -16,14 +16,14 @@ use rustc_session::{parse::ParseSess, SessionDiagnostic}; use rustc_span::Span; #[derive(SessionDiagnostic)] -#[error(slug = "parser-expect-path")] +#[error(parser::expect_path)] struct DeriveSessionDiagnostic { #[primary_span] span: Span, } #[derive(SessionSubdiagnostic)] -#[note(slug = "note")] +#[note(parser::add_paren)] struct Note { #[primary_span] span: Span, diff --git a/src/test/ui-fulldeps/session-diagnostic/diagnostic-derive.rs b/src/test/ui-fulldeps/session-diagnostic/diagnostic-derive.rs index 84d5de17309..7bec1897fa5 100644 --- a/src/test/ui-fulldeps/session-diagnostic/diagnostic-derive.rs +++ b/src/test/ui-fulldeps/session-diagnostic/diagnostic-derive.rs @@ -26,15 +26,15 @@ use rustc_errors::Applicability; extern crate rustc_session; #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "hello-world")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct Hello {} #[derive(SessionDiagnostic)] -#[warning(code = "E0123", slug = "hello-world")] +#[warning(typeck::ambiguous_lifetime_bound, code = "E0123")] struct HelloWarn {} #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] //~^ ERROR `#[derive(SessionDiagnostic)]` can only be used on structs enum SessionDiagnosticOnEnum { Foo, @@ -42,13 +42,13 @@ enum SessionDiagnosticOnEnum { } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] #[error = "E0123"] //~^ ERROR `#[error = ...]` is not a valid attribute struct WrongStructAttrStyle {} #[derive(SessionDiagnostic)] -#[nonsense(code = "E0123", slug = "foo")] +#[nonsense(typeck::ambiguous_lifetime_bound, code = "E0123")] //~^ ERROR `#[nonsense(...)]` is not a valid attribute //~^^ ERROR diagnostic kind not specified //~^^^ ERROR cannot find attribute `nonsense` in this scope @@ -57,31 +57,39 @@ struct InvalidStructAttr {} #[derive(SessionDiagnostic)] #[error("E0123")] //~^ ERROR `#[error("...")]` is not a valid attribute -//~^^ ERROR `slug` not specified +//~^^ ERROR diagnostic slug not specified struct InvalidLitNestedAttr {} #[derive(SessionDiagnostic)] -#[error(nonsense, code = "E0123", slug = "foo")] -//~^ ERROR `#[error(nonsense)]` is not a valid attribute +#[error(nonsense, code = "E0123")] +//~^ ERROR cannot find value `nonsense` in module `rustc_errors::fluent` struct InvalidNestedStructAttr {} #[derive(SessionDiagnostic)] #[error(nonsense("foo"), code = "E0123", slug = "foo")] //~^ ERROR `#[error(nonsense(...))]` is not a valid attribute +//~^^ ERROR diagnostic slug not specified struct InvalidNestedStructAttr1 {} #[derive(SessionDiagnostic)] #[error(nonsense = "...", code = "E0123", slug = "foo")] //~^ ERROR `#[error(nonsense = ...)]` is not a valid attribute +//~^^ ERROR diagnostic slug not specified struct InvalidNestedStructAttr2 {} #[derive(SessionDiagnostic)] #[error(nonsense = 4, code = "E0123", slug = "foo")] //~^ ERROR `#[error(nonsense = ...)]` is not a valid attribute +//~^^ ERROR diagnostic slug not specified struct InvalidNestedStructAttr3 {} #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123", slug = "foo")] +//~^ ERROR `#[error(slug = ...)]` is not a valid attribute +struct InvalidNestedStructAttr4 {} + +#[derive(SessionDiagnostic)] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct WrongPlaceField { #[suggestion = "bar"] //~^ ERROR `#[suggestion = ...]` is not a valid attribute @@ -89,44 +97,45 @@ struct WrongPlaceField { } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] -#[error(code = "E0456", slug = "bar")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0456")] //~^ ERROR specified multiple times //~^^ ERROR specified multiple times //~^^^ ERROR specified multiple times struct ErrorSpecifiedTwice {} #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] -#[warning(code = "E0293", slug = "bar")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] +#[warning(typeck::ambiguous_lifetime_bound, code = "E0293")] //~^ ERROR specified multiple times //~^^ ERROR specified multiple times //~^^^ ERROR specified multiple times struct WarnSpecifiedAfterError {} #[derive(SessionDiagnostic)] -#[error(code = "E0456", code = "E0457", slug = "bar")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0456", code = "E0457")] //~^ ERROR specified multiple times struct CodeSpecifiedTwice {} #[derive(SessionDiagnostic)] -#[error(code = "E0456", slug = "foo", slug = "bar")] -//~^ ERROR specified multiple times +#[error(typeck::ambiguous_lifetime_bound, typeck::ambiguous_lifetime_bound, code = "E0456")] +//~^ ERROR `#[error(typeck::ambiguous_lifetime_bound)]` is not a valid attribute struct SlugSpecifiedTwice {} #[derive(SessionDiagnostic)] struct KindNotProvided {} //~ ERROR diagnostic kind not specified #[derive(SessionDiagnostic)] -#[error(code = "E0456")] //~ ERROR `slug` not specified +#[error(code = "E0456")] +//~^ ERROR diagnostic slug not specified struct SlugNotProvided {} #[derive(SessionDiagnostic)] -#[error(slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound)] struct CodeNotProvided {} #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct MessageWrongType { #[primary_span] //~^ ERROR `#[primary_span]` attribute can only be applied to fields of type `Span` @@ -134,7 +143,7 @@ struct MessageWrongType { } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct InvalidPathFieldAttr { #[nonsense] //~^ ERROR `#[nonsense]` is not a valid attribute @@ -143,34 +152,34 @@ struct InvalidPathFieldAttr { } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct ErrorWithField { name: String, - #[label = "bar"] + #[label(typeck::label)] span: Span, } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct ErrorWithMessageAppliedToField { - #[label = "bar"] - //~^ ERROR the `#[label = ...]` attribute can only be applied to fields of type `Span` + #[label(typeck::label)] + //~^ ERROR the `#[label(...)]` attribute can only be applied to fields of type `Span` name: String, } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct ErrorWithNonexistentField { - #[suggestion(message = "bar", code = "{name}")] + #[suggestion(typeck::suggestion, code = "{name}")] //~^ ERROR `name` doesn't refer to a field on this type suggestion: (Span, Applicability), } #[derive(SessionDiagnostic)] //~^ ERROR invalid format string: expected `'}'` -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct ErrorMissingClosingBrace { - #[suggestion(message = "bar", code = "{name")] + #[suggestion(typeck::suggestion, code = "{name")] suggestion: (Span, Applicability), name: String, val: usize, @@ -178,48 +187,48 @@ struct ErrorMissingClosingBrace { #[derive(SessionDiagnostic)] //~^ ERROR invalid format string: unmatched `}` -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct ErrorMissingOpeningBrace { - #[suggestion(message = "bar", code = "name}")] + #[suggestion(typeck::suggestion, code = "name}")] suggestion: (Span, Applicability), name: String, val: usize, } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct LabelOnSpan { - #[label = "bar"] + #[label(typeck::label)] sp: Span, } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct LabelOnNonSpan { - #[label = "bar"] - //~^ ERROR the `#[label = ...]` attribute can only be applied to fields of type `Span` + #[label(typeck::label)] + //~^ ERROR the `#[label(...)]` attribute can only be applied to fields of type `Span` id: u32, } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct Suggest { - #[suggestion(message = "bar", code = "This is the suggested code")] - #[suggestion_short(message = "qux", code = "This is the suggested code")] - #[suggestion_hidden(message = "foobar", code = "This is the suggested code")] - #[suggestion_verbose(message = "fooqux", code = "This is the suggested code")] + #[suggestion(typeck::suggestion, code = "This is the suggested code")] + #[suggestion_short(typeck::suggestion, code = "This is the suggested code")] + #[suggestion_hidden(typeck::suggestion, code = "This is the suggested code")] + #[suggestion_verbose(typeck::suggestion, code = "This is the suggested code")] suggestion: (Span, Applicability), } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct SuggestWithoutCode { - #[suggestion(message = "bar")] + #[suggestion(typeck::suggestion)] suggestion: (Span, Applicability), } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct SuggestWithBadKey { #[suggestion(nonsense = "bar")] //~^ ERROR `#[suggestion(nonsense = ...)]` is not a valid attribute @@ -227,7 +236,7 @@ struct SuggestWithBadKey { } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct SuggestWithShorthandMsg { #[suggestion(msg = "bar")] //~^ ERROR `#[suggestion(msg = ...)]` is not a valid attribute @@ -235,91 +244,91 @@ struct SuggestWithShorthandMsg { } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct SuggestWithoutMsg { #[suggestion(code = "bar")] suggestion: (Span, Applicability), } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct SuggestWithTypesSwapped { - #[suggestion(message = "bar", code = "This is suggested code")] + #[suggestion(typeck::suggestion, code = "This is suggested code")] suggestion: (Applicability, Span), } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct SuggestWithWrongTypeApplicabilityOnly { - #[suggestion(message = "bar", code = "This is suggested code")] + #[suggestion(typeck::suggestion, code = "This is suggested code")] //~^ ERROR wrong field type for suggestion suggestion: Applicability, } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct SuggestWithSpanOnly { - #[suggestion(message = "bar", code = "This is suggested code")] + #[suggestion(typeck::suggestion, code = "This is suggested code")] suggestion: Span, } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct SuggestWithDuplicateSpanAndApplicability { - #[suggestion(message = "bar", code = "This is suggested code")] + #[suggestion(typeck::suggestion, code = "This is suggested code")] //~^ ERROR type of field annotated with `#[suggestion(...)]` contains more than one `Span` suggestion: (Span, Span, Applicability), } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct SuggestWithDuplicateApplicabilityAndSpan { - #[suggestion(message = "bar", code = "This is suggested code")] + #[suggestion(typeck::suggestion, code = "This is suggested code")] //~^ ERROR type of field annotated with `#[suggestion(...)]` contains more than one suggestion: (Applicability, Applicability, Span), } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct WrongKindOfAnnotation { - #[label("bar")] - //~^ ERROR `#[label(...)]` is not a valid attribute + #[label = "bar"] + //~^ ERROR `#[label = ...]` is not a valid attribute z: Span, } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct OptionsInErrors { - #[label = "bar"] + #[label(typeck::label)] label: Option<Span>, - #[suggestion(message = "bar")] + #[suggestion(typeck::suggestion)] opt_sugg: Option<(Span, Applicability)>, } #[derive(SessionDiagnostic)] -#[error(code = "E0456", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0456")] struct MoveOutOfBorrowError<'tcx> { name: Ident, ty: Ty<'tcx>, #[primary_span] - #[label = "bar"] + #[label(typeck::label)] span: Span, - #[label = "qux"] + #[label(typeck::label)] other_span: Span, - #[suggestion(message = "bar", code = "{name}.clone()")] + #[suggestion(typeck::suggestion, code = "{name}.clone()")] opt_sugg: Option<(Span, Applicability)>, } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct ErrorWithLifetime<'a> { - #[label = "bar"] + #[label(typeck::label)] span: Span, name: &'a str, } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct ErrorWithDefaultLabelAttr<'a> { #[label] span: Span, @@ -328,7 +337,7 @@ struct ErrorWithDefaultLabelAttr<'a> { #[derive(SessionDiagnostic)] //~^ ERROR the trait bound `Hello: IntoDiagnosticArg` is not satisfied -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct ArgFieldWithoutSkip { #[primary_span] span: Span, @@ -336,7 +345,7 @@ struct ArgFieldWithoutSkip { } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct ArgFieldWithSkip { #[primary_span] span: Span, @@ -347,132 +356,132 @@ struct ArgFieldWithSkip { } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct ErrorWithSpannedNote { #[note] span: Span, } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct ErrorWithSpannedNoteCustom { - #[note = "bar"] + #[note(typeck::note)] span: Span, } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] #[note] struct ErrorWithNote { val: String, } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] -#[note = "bar"] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] +#[note(typeck::note)] struct ErrorWithNoteCustom { val: String, } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct ErrorWithSpannedHelp { #[help] span: Span, } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct ErrorWithSpannedHelpCustom { - #[help = "bar"] + #[help(typeck::help)] span: Span, } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] #[help] struct ErrorWithHelp { val: String, } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] -#[help = "bar"] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] +#[help(typeck::help)] struct ErrorWithHelpCustom { val: String, } #[derive(SessionDiagnostic)] #[help] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct ErrorWithHelpWrongOrder { val: String, } #[derive(SessionDiagnostic)] -#[help = "bar"] -#[error(code = "E0123", slug = "foo")] +#[help(typeck::help)] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct ErrorWithHelpCustomWrongOrder { val: String, } #[derive(SessionDiagnostic)] #[note] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct ErrorWithNoteWrongOrder { val: String, } #[derive(SessionDiagnostic)] -#[note = "bar"] -#[error(code = "E0123", slug = "foo")] +#[note(typeck::note)] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct ErrorWithNoteCustomWrongOrder { val: String, } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct ApplicabilityInBoth { - #[suggestion(message = "bar", code = "...", applicability = "maybe-incorrect")] + #[suggestion(typeck::suggestion, code = "...", applicability = "maybe-incorrect")] //~^ ERROR applicability cannot be set in both the field and attribute suggestion: (Span, Applicability), } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct InvalidApplicability { - #[suggestion(message = "bar", code = "...", applicability = "batman")] + #[suggestion(typeck::suggestion, code = "...", applicability = "batman")] //~^ ERROR invalid applicability suggestion: Span, } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct ValidApplicability { - #[suggestion(message = "bar", code = "...", applicability = "maybe-incorrect")] + #[suggestion(typeck::suggestion, code = "...", applicability = "maybe-incorrect")] suggestion: Span, } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct NoApplicability { - #[suggestion(message = "bar", code = "...")] + #[suggestion(typeck::suggestion, code = "...")] suggestion: Span, } #[derive(SessionSubdiagnostic)] -#[note(slug = "note")] +#[note(parser::add_paren)] struct Note; #[derive(SessionDiagnostic)] -#[error(slug = "subdiagnostic")] +#[error(typeck::ambiguous_lifetime_bound)] struct Subdiagnostic { #[subdiagnostic] note: Note, } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct VecField { #[primary_span] #[label] @@ -480,23 +489,47 @@ struct VecField { } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct UnitField { #[primary_span] spans: Span, #[help] foo: (), - #[help = "a"] + #[help(typeck::help)] bar: (), } #[derive(SessionDiagnostic)] -#[error(code = "E0123", slug = "foo")] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] struct OptUnitField { #[primary_span] spans: Span, #[help] foo: Option<()>, - #[help = "a"] + #[help(typeck::help)] bar: Option<()>, } + +#[derive(SessionDiagnostic)] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] +struct LabelWithTrailingPath { + #[label(typeck::label, foo)] + //~^ ERROR `#[label(...)]` is not a valid attribute + span: Span, +} + +#[derive(SessionDiagnostic)] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] +struct LabelWithTrailingNameValue { + #[label(typeck::label, foo = "...")] + //~^ ERROR `#[label(...)]` is not a valid attribute + span: Span, +} + +#[derive(SessionDiagnostic)] +#[error(typeck::ambiguous_lifetime_bound, code = "E0123")] +struct LabelWithTrailingList { + #[label(typeck::label, foo("..."))] + //~^ ERROR `#[label(...)]` is not a valid attribute + span: Span, +} diff --git a/src/test/ui-fulldeps/session-diagnostic/diagnostic-derive.stderr b/src/test/ui-fulldeps/session-diagnostic/diagnostic-derive.stderr index 85ea44ec278..0d9690e1f5a 100644 --- a/src/test/ui-fulldeps/session-diagnostic/diagnostic-derive.stderr +++ b/src/test/ui-fulldeps/session-diagnostic/diagnostic-derive.stderr @@ -1,7 +1,7 @@ error: `#[derive(SessionDiagnostic)]` can only be used on structs --> $DIR/diagnostic-derive.rs:37:1 | -LL | / #[error(code = "E0123", slug = "foo")] +LL | / #[error(typeck::ambiguous_lifetime_bound, code = "E0123")] LL | | LL | | enum SessionDiagnosticOnEnum { LL | | Foo, @@ -18,15 +18,15 @@ LL | #[error = "E0123"] error: `#[nonsense(...)]` is not a valid attribute --> $DIR/diagnostic-derive.rs:51:1 | -LL | #[nonsense(code = "E0123", slug = "foo")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[nonsense(typeck::ambiguous_lifetime_bound, code = "E0123")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: only `error` and `warning` are valid attributes + = help: only `error`, `warning`, `help` and `note` are valid attributes error: diagnostic kind not specified --> $DIR/diagnostic-derive.rs:51:1 | -LL | / #[nonsense(code = "E0123", slug = "foo")] +LL | / #[nonsense(typeck::ambiguous_lifetime_bound, code = "E0123")] LL | | LL | | LL | | @@ -40,8 +40,10 @@ error: `#[error("...")]` is not a valid attribute | LL | #[error("E0123")] | ^^^^^^^ + | + = help: first argument of the attribute should be the diagnostic slug -error: `slug` not specified +error: diagnostic slug not specified --> $DIR/diagnostic-derive.rs:58:1 | LL | / #[error("E0123")] @@ -50,183 +52,215 @@ LL | | LL | | struct InvalidLitNestedAttr {} | |______________________________^ | - = help: use the `#[error(slug = "...")]` attribute to set this diagnostic's slug - -error: `#[error(nonsense)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:64:9 - | -LL | #[error(nonsense, code = "E0123", slug = "foo")] - | ^^^^^^^^ + = help: specify the slug as the first argument to the attribute, such as `#[error(typeck::example_error)]` error: `#[error(nonsense(...))]` is not a valid attribute --> $DIR/diagnostic-derive.rs:69:9 | LL | #[error(nonsense("foo"), code = "E0123", slug = "foo")] | ^^^^^^^^^^^^^^^ + | + = help: first argument of the attribute should be the diagnostic slug + +error: diagnostic slug not specified + --> $DIR/diagnostic-derive.rs:69:1 + | +LL | / #[error(nonsense("foo"), code = "E0123", slug = "foo")] +LL | | +LL | | +LL | | struct InvalidNestedStructAttr1 {} + | |__________________________________^ + | + = help: specify the slug as the first argument to the attribute, such as `#[error(typeck::example_error)]` error: `#[error(nonsense = ...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:74:9 + --> $DIR/diagnostic-derive.rs:75:9 | LL | #[error(nonsense = "...", code = "E0123", slug = "foo")] | ^^^^^^^^^^^^^^^^ | - = help: only `slug` and `code` are valid nested attributes + = help: first argument of the attribute should be the diagnostic slug + +error: diagnostic slug not specified + --> $DIR/diagnostic-derive.rs:75:1 + | +LL | / #[error(nonsense = "...", code = "E0123", slug = "foo")] +LL | | +LL | | +LL | | struct InvalidNestedStructAttr2 {} + | |__________________________________^ + | + = help: specify the slug as the first argument to the attribute, such as `#[error(typeck::example_error)]` error: `#[error(nonsense = ...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:79:9 + --> $DIR/diagnostic-derive.rs:81:9 | LL | #[error(nonsense = 4, code = "E0123", slug = "foo")] | ^^^^^^^^^^^^ + | + = help: first argument of the attribute should be the diagnostic slug -error: `#[suggestion = ...]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:86:5 +error: diagnostic slug not specified + --> $DIR/diagnostic-derive.rs:81:1 | -LL | #[suggestion = "bar"] - | ^^^^^^^^^^^^^^^^^^^^^ +LL | / #[error(nonsense = 4, code = "E0123", slug = "foo")] +LL | | +LL | | +LL | | struct InvalidNestedStructAttr3 {} + | |__________________________________^ | - = help: only `label`, `note` and `help` are valid field attributes + = help: specify the slug as the first argument to the attribute, such as `#[error(typeck::example_error)]` -error: specified multiple times - --> $DIR/diagnostic-derive.rs:93:1 +error: `#[error(slug = ...)]` is not a valid attribute + --> $DIR/diagnostic-derive.rs:87:59 | -LL | #[error(code = "E0456", slug = "bar")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[error(typeck::ambiguous_lifetime_bound, code = "E0123", slug = "foo")] + | ^^^^^^^^^^^^ | -note: previously specified here - --> $DIR/diagnostic-derive.rs:92:1 + = help: only `code` is a valid nested attributes following the slug + +error: `#[suggestion = ...]` is not a valid attribute + --> $DIR/diagnostic-derive.rs:94:5 | -LL | #[error(code = "E0123", slug = "foo")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[suggestion = "bar"] + | ^^^^^^^^^^^^^^^^^^^^^ error: specified multiple times - --> $DIR/diagnostic-derive.rs:93:16 + --> $DIR/diagnostic-derive.rs:101:1 | -LL | #[error(code = "E0456", slug = "bar")] - | ^^^^^^^ +LL | #[error(typeck::ambiguous_lifetime_bound, code = "E0456")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: previously specified here - --> $DIR/diagnostic-derive.rs:92:16 + --> $DIR/diagnostic-derive.rs:100:1 | -LL | #[error(code = "E0123", slug = "foo")] - | ^^^^^^^ +LL | #[error(typeck::ambiguous_lifetime_bound, code = "E0123")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: specified multiple times - --> $DIR/diagnostic-derive.rs:93:32 + --> $DIR/diagnostic-derive.rs:101:1 | -LL | #[error(code = "E0456", slug = "bar")] - | ^^^^^ +LL | #[error(typeck::ambiguous_lifetime_bound, code = "E0456")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: previously specified here - --> $DIR/diagnostic-derive.rs:92:32 + --> $DIR/diagnostic-derive.rs:100:1 | -LL | #[error(code = "E0123", slug = "foo")] - | ^^^^^ +LL | #[error(typeck::ambiguous_lifetime_bound, code = "E0123")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: specified multiple times - --> $DIR/diagnostic-derive.rs:101:1 + --> $DIR/diagnostic-derive.rs:101:50 | -LL | #[warning(code = "E0293", slug = "bar")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[error(typeck::ambiguous_lifetime_bound, code = "E0456")] + | ^^^^^^^ | note: previously specified here - --> $DIR/diagnostic-derive.rs:100:1 + --> $DIR/diagnostic-derive.rs:100:50 | -LL | #[error(code = "E0123", slug = "foo")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[error(typeck::ambiguous_lifetime_bound, code = "E0123")] + | ^^^^^^^ error: specified multiple times - --> $DIR/diagnostic-derive.rs:101:18 + --> $DIR/diagnostic-derive.rs:109:1 | -LL | #[warning(code = "E0293", slug = "bar")] - | ^^^^^^^ +LL | #[warning(typeck::ambiguous_lifetime_bound, code = "E0293")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: previously specified here - --> $DIR/diagnostic-derive.rs:100:16 + --> $DIR/diagnostic-derive.rs:108:1 | -LL | #[error(code = "E0123", slug = "foo")] - | ^^^^^^^ +LL | #[error(typeck::ambiguous_lifetime_bound, code = "E0123")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: specified multiple times - --> $DIR/diagnostic-derive.rs:101:34 + --> $DIR/diagnostic-derive.rs:109:1 | -LL | #[warning(code = "E0293", slug = "bar")] - | ^^^^^ +LL | #[warning(typeck::ambiguous_lifetime_bound, code = "E0293")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: previously specified here - --> $DIR/diagnostic-derive.rs:100:32 + --> $DIR/diagnostic-derive.rs:108:1 | -LL | #[error(code = "E0123", slug = "foo")] - | ^^^^^ +LL | #[error(typeck::ambiguous_lifetime_bound, code = "E0123")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: specified multiple times - --> $DIR/diagnostic-derive.rs:108:32 + --> $DIR/diagnostic-derive.rs:109:52 | -LL | #[error(code = "E0456", code = "E0457", slug = "bar")] - | ^^^^^^^ +LL | #[warning(typeck::ambiguous_lifetime_bound, code = "E0293")] + | ^^^^^^^ | note: previously specified here - --> $DIR/diagnostic-derive.rs:108:16 + --> $DIR/diagnostic-derive.rs:108:50 | -LL | #[error(code = "E0456", code = "E0457", slug = "bar")] - | ^^^^^^^ +LL | #[error(typeck::ambiguous_lifetime_bound, code = "E0123")] + | ^^^^^^^ error: specified multiple times - --> $DIR/diagnostic-derive.rs:113:46 + --> $DIR/diagnostic-derive.rs:116:66 | -LL | #[error(code = "E0456", slug = "foo", slug = "bar")] - | ^^^^^ +LL | #[error(typeck::ambiguous_lifetime_bound, code = "E0456", code = "E0457")] + | ^^^^^^^ | note: previously specified here - --> $DIR/diagnostic-derive.rs:113:32 + --> $DIR/diagnostic-derive.rs:116:50 | -LL | #[error(code = "E0456", slug = "foo", slug = "bar")] - | ^^^^^ +LL | #[error(typeck::ambiguous_lifetime_bound, code = "E0456", code = "E0457")] + | ^^^^^^^ + +error: `#[error(typeck::ambiguous_lifetime_bound)]` is not a valid attribute + --> $DIR/diagnostic-derive.rs:121:43 + | +LL | #[error(typeck::ambiguous_lifetime_bound, typeck::ambiguous_lifetime_bound, code = "E0456")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: diagnostic kind not specified - --> $DIR/diagnostic-derive.rs:118:1 + --> $DIR/diagnostic-derive.rs:126:1 | LL | struct KindNotProvided {} | ^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: use the `#[error(...)]` attribute to create an error -error: `slug` not specified - --> $DIR/diagnostic-derive.rs:121:1 +error: diagnostic slug not specified + --> $DIR/diagnostic-derive.rs:129:1 | LL | / #[error(code = "E0456")] +LL | | LL | | struct SlugNotProvided {} | |_________________________^ | - = help: use the `#[error(slug = "...")]` attribute to set this diagnostic's slug + = help: specify the slug as the first argument to the attribute, such as `#[error(typeck::example_error)]` error: the `#[primary_span]` attribute can only be applied to fields of type `Span` - --> $DIR/diagnostic-derive.rs:131:5 + --> $DIR/diagnostic-derive.rs:140:5 | LL | #[primary_span] | ^^^^^^^^^^^^^^^ error: `#[nonsense]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:139:5 + --> $DIR/diagnostic-derive.rs:148:5 | LL | #[nonsense] | ^^^^^^^^^^^ | = help: only `skip_arg`, `primary_span`, `label`, `note`, `help` and `subdiagnostic` are valid field attributes -error: the `#[label = ...]` attribute can only be applied to fields of type `Span` - --> $DIR/diagnostic-derive.rs:156:5 +error: the `#[label(...)]` attribute can only be applied to fields of type `Span` + --> $DIR/diagnostic-derive.rs:165:5 | -LL | #[label = "bar"] - | ^^^^^^^^^^^^^^^^ +LL | #[label(typeck::label)] + | ^^^^^^^^^^^^^^^^^^^^^^^ error: `name` doesn't refer to a field on this type - --> $DIR/diagnostic-derive.rs:164:42 + --> $DIR/diagnostic-derive.rs:173:45 | -LL | #[suggestion(message = "bar", code = "{name}")] - | ^^^^^^^^ +LL | #[suggestion(typeck::suggestion, code = "{name}")] + | ^^^^^^^^ error: invalid format string: expected `'}'` but string was terminated - --> $DIR/diagnostic-derive.rs:169:16 + --> $DIR/diagnostic-derive.rs:178:16 | LL | #[derive(SessionDiagnostic)] | - ^ expected `'}'` in format string @@ -237,7 +271,7 @@ LL | #[derive(SessionDiagnostic)] = note: this error originates in the derive macro `SessionDiagnostic` (in Nightly builds, run with -Z macro-backtrace for more info) error: invalid format string: unmatched `}` found - --> $DIR/diagnostic-derive.rs:179:15 + --> $DIR/diagnostic-derive.rs:188:15 | LL | #[derive(SessionDiagnostic)] | ^ unmatched `}` in format string @@ -245,14 +279,14 @@ LL | #[derive(SessionDiagnostic)] = note: if you intended to print `}`, you can escape it using `}}` = note: this error originates in the derive macro `SessionDiagnostic` (in Nightly builds, run with -Z macro-backtrace for more info) -error: the `#[label = ...]` attribute can only be applied to fields of type `Span` - --> $DIR/diagnostic-derive.rs:199:5 +error: the `#[label(...)]` attribute can only be applied to fields of type `Span` + --> $DIR/diagnostic-derive.rs:208:5 | -LL | #[label = "bar"] - | ^^^^^^^^^^^^^^^^ +LL | #[label(typeck::label)] + | ^^^^^^^^^^^^^^^^^^^^^^^ error: `#[suggestion(nonsense = ...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:224:18 + --> $DIR/diagnostic-derive.rs:233:18 | LL | #[suggestion(nonsense = "bar")] | ^^^^^^^^^^^^^^^^ @@ -260,7 +294,7 @@ LL | #[suggestion(nonsense = "bar")] = help: only `message`, `code` and `applicability` are valid field attributes error: `#[suggestion(msg = ...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:232:18 + --> $DIR/diagnostic-derive.rs:241:18 | LL | #[suggestion(msg = "bar")] | ^^^^^^^^^^^ @@ -268,9 +302,9 @@ LL | #[suggestion(msg = "bar")] = help: only `message`, `code` and `applicability` are valid field attributes error: wrong field type for suggestion - --> $DIR/diagnostic-derive.rs:254:5 + --> $DIR/diagnostic-derive.rs:263:5 | -LL | / #[suggestion(message = "bar", code = "This is suggested code")] +LL | / #[suggestion(typeck::suggestion, code = "This is suggested code")] LL | | LL | | suggestion: Applicability, | |_____________________________^ @@ -278,55 +312,77 @@ LL | | suggestion: Applicability, = help: `#[suggestion(...)]` should be applied to fields of type `Span` or `(Span, Applicability)` error: type of field annotated with `#[suggestion(...)]` contains more than one `Span` - --> $DIR/diagnostic-derive.rs:269:5 + --> $DIR/diagnostic-derive.rs:278:5 | -LL | / #[suggestion(message = "bar", code = "This is suggested code")] +LL | / #[suggestion(typeck::suggestion, code = "This is suggested code")] LL | | LL | | suggestion: (Span, Span, Applicability), | |___________________________________________^ error: type of field annotated with `#[suggestion(...)]` contains more than one Applicability - --> $DIR/diagnostic-derive.rs:277:5 + --> $DIR/diagnostic-derive.rs:286:5 | -LL | / #[suggestion(message = "bar", code = "This is suggested code")] +LL | / #[suggestion(typeck::suggestion, code = "This is suggested code")] LL | | LL | | suggestion: (Applicability, Applicability, Span), | |____________________________________________________^ -error: `#[label(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:285:5 - | -LL | #[label("bar")] - | ^^^^^^^^^^^^^^^ +error: `#[label = ...]` is not a valid attribute + --> $DIR/diagnostic-derive.rs:294:5 | - = help: only `suggestion{,_short,_hidden,_verbose}` are valid field attributes +LL | #[label = "bar"] + | ^^^^^^^^^^^^^^^^ error: applicability cannot be set in both the field and attribute - --> $DIR/diagnostic-derive.rs:436:49 + --> $DIR/diagnostic-derive.rs:445:52 | -LL | #[suggestion(message = "bar", code = "...", applicability = "maybe-incorrect")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[suggestion(typeck::suggestion, code = "...", applicability = "maybe-incorrect")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: invalid applicability - --> $DIR/diagnostic-derive.rs:444:49 + --> $DIR/diagnostic-derive.rs:453:52 + | +LL | #[suggestion(typeck::suggestion, code = "...", applicability = "batman")] + | ^^^^^^^^^^^^^^^^^^^^^^^^ + +error: `#[label(...)]` is not a valid attribute + --> $DIR/diagnostic-derive.rs:516:5 + | +LL | #[label(typeck::label, foo)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: `#[label(...)]` is not a valid attribute + --> $DIR/diagnostic-derive.rs:524:5 + | +LL | #[label(typeck::label, foo = "...")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: `#[label(...)]` is not a valid attribute + --> $DIR/diagnostic-derive.rs:532:5 | -LL | #[suggestion(message = "bar", code = "...", applicability = "batman")] - | ^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[label(typeck::label, foo("..."))] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: cannot find attribute `nonsense` in this scope --> $DIR/diagnostic-derive.rs:51:3 | -LL | #[nonsense(code = "E0123", slug = "foo")] +LL | #[nonsense(typeck::ambiguous_lifetime_bound, code = "E0123")] | ^^^^^^^^ error: cannot find attribute `nonsense` in this scope - --> $DIR/diagnostic-derive.rs:139:7 + --> $DIR/diagnostic-derive.rs:148:7 | LL | #[nonsense] | ^^^^^^^^ +error[E0425]: cannot find value `nonsense` in module `rustc_errors::fluent` + --> $DIR/diagnostic-derive.rs:64:9 + | +LL | #[error(nonsense, code = "E0123")] + | ^^^^^^^^ not found in `rustc_errors::fluent` + error[E0277]: the trait bound `Hello: IntoDiagnosticArg` is not satisfied - --> $DIR/diagnostic-derive.rs:329:10 + --> $DIR/diagnostic-derive.rs:338:10 | LL | #[derive(SessionDiagnostic)] | ^^^^^^^^^^^^^^^^^ the trait `IntoDiagnosticArg` is not implemented for `Hello` @@ -345,6 +401,7 @@ LL | arg: impl IntoDiagnosticArg, | ^^^^^^^^^^^^^^^^^ required by this bound in `DiagnosticBuilder::<'a, G>::set_arg` = note: this error originates in the derive macro `SessionDiagnostic` (in Nightly builds, run with -Z macro-backtrace for more info) -error: aborting due to 39 previous errors +error: aborting due to 46 previous errors -For more information about this error, try `rustc --explain E0277`. +Some errors have detailed explanations: E0277, E0425. +For more information about an error, try `rustc --explain E0277`. diff --git a/src/test/ui-fulldeps/session-diagnostic/subdiagnostic-derive.rs b/src/test/ui-fulldeps/session-diagnostic/subdiagnostic-derive.rs index bb406c35c0e..6f4b6105b3e 100644 --- a/src/test/ui-fulldeps/session-diagnostic/subdiagnostic-derive.rs +++ b/src/test/ui-fulldeps/session-diagnostic/subdiagnostic-derive.rs @@ -20,7 +20,7 @@ use rustc_span::Span; use rustc_macros::SessionSubdiagnostic; #[derive(SessionSubdiagnostic)] -#[label(slug = "label-a")] +#[label(parser::add_paren)] struct A { #[primary_span] span: Span, @@ -29,13 +29,13 @@ struct A { #[derive(SessionSubdiagnostic)] enum B { - #[label(slug = "label-b-a")] + #[label(parser::add_paren)] A { #[primary_span] span: Span, var: String, }, - #[label(slug = "label-b-b")] + #[label(parser::add_paren)] B { #[primary_span] span: Span, @@ -44,7 +44,7 @@ enum B { } #[derive(SessionSubdiagnostic)] -#[label(slug = "label-c")] +#[label(parser::add_paren)] //~^ ERROR label without `#[primary_span]` field struct C { var: String, @@ -116,7 +116,8 @@ struct K { #[derive(SessionSubdiagnostic)] #[label(slug)] -//~^ ERROR `#[label(slug)]` is not a valid attribute +//~^ ERROR cannot find value `slug` in module `rustc_errors::fluent` +//~^^ NOTE not found in `rustc_errors::fluent` struct L { #[primary_span] span: Span, @@ -125,7 +126,7 @@ struct L { #[derive(SessionSubdiagnostic)] #[label()] -//~^ ERROR `slug` must be set in a `#[label(...)]` attribute +//~^ ERROR diagnostic slug must be first argument of a `#[label(...)]` attribute struct M { #[primary_span] span: Span, @@ -133,7 +134,7 @@ struct M { } #[derive(SessionSubdiagnostic)] -#[label(code = "...")] +#[label(parser::add_paren, code = "...")] //~^ ERROR `code` is not a valid nested attribute of a `label` attribute struct N { #[primary_span] @@ -142,11 +143,20 @@ struct N { } #[derive(SessionSubdiagnostic)] +#[label(parser::add_paren, applicability = "machine-applicable")] +//~^ ERROR `applicability` is not a valid nested attribute of a `label` attribute +struct O { + #[primary_span] + span: Span, + var: String, +} + +#[derive(SessionSubdiagnostic)] #[foo] //~^ ERROR cannot find attribute `foo` in this scope //~^^ ERROR unsupported type attribute for subdiagnostic enum -enum O { - #[label(slug = "...")] +enum P { + #[label(parser::add_paren)] A { #[primary_span] span: Span, @@ -155,7 +165,7 @@ enum O { } #[derive(SessionSubdiagnostic)] -enum P { +enum Q { #[bar] //~^ ERROR `#[bar]` is not a valid attribute //~^^ ERROR cannot find attribute `bar` in this scope @@ -167,7 +177,7 @@ enum P { } #[derive(SessionSubdiagnostic)] -enum Q { +enum R { #[bar = "..."] //~^ ERROR `#[bar = ...]` is not a valid attribute //~^^ ERROR cannot find attribute `bar` in this scope @@ -179,7 +189,7 @@ enum Q { } #[derive(SessionSubdiagnostic)] -enum R { +enum S { #[bar = 4] //~^ ERROR `#[bar = ...]` is not a valid attribute //~^^ ERROR cannot find attribute `bar` in this scope @@ -191,7 +201,7 @@ enum R { } #[derive(SessionSubdiagnostic)] -enum S { +enum T { #[bar("...")] //~^ ERROR `#[bar("...")]` is not a valid attribute //~^^ ERROR cannot find attribute `bar` in this scope @@ -203,9 +213,9 @@ enum S { } #[derive(SessionSubdiagnostic)] -enum T { +enum U { #[label(code = "...")] -//~^ ERROR `code` is not a valid nested attribute of a `label` +//~^ ERROR diagnostic slug must be first argument of a `#[label(...)]` attribute A { #[primary_span] span: Span, @@ -214,8 +224,8 @@ enum T { } #[derive(SessionSubdiagnostic)] -enum U { - #[label(slug = "label-u")] +enum V { + #[label(parser::add_paren)] A { #[primary_span] span: Span, @@ -230,17 +240,17 @@ enum U { } #[derive(SessionSubdiagnostic)] -#[label(slug = "...")] +#[label(parser::add_paren)] //~^ ERROR label without `#[primary_span]` field -struct V { +struct W { #[primary_span] //~^ ERROR the `#[primary_span]` attribute can only be applied to fields of type `Span` span: String, } #[derive(SessionSubdiagnostic)] -#[label(slug = "...")] -struct W { +#[label(parser::add_paren)] +struct X { #[primary_span] span: Span, #[applicability] @@ -249,8 +259,8 @@ struct W { } #[derive(SessionSubdiagnostic)] -#[label(slug = "...")] -struct X { +#[label(parser::add_paren)] +struct Y { #[primary_span] span: Span, #[bar] @@ -260,8 +270,8 @@ struct X { } #[derive(SessionSubdiagnostic)] -#[label(slug = "...")] -struct Y { +#[label(parser::add_paren)] +struct Z { #[primary_span] span: Span, #[bar = "..."] @@ -271,8 +281,8 @@ struct Y { } #[derive(SessionSubdiagnostic)] -#[label(slug = "...")] -struct Z { +#[label(parser::add_paren)] +struct AA { #[primary_span] span: Span, #[bar("...")] @@ -282,8 +292,8 @@ struct Z { } #[derive(SessionSubdiagnostic)] -#[label(slug = "label-aa")] -struct AA { +#[label(parser::add_paren)] +struct AB { #[primary_span] span: Span, #[skip_arg] @@ -291,36 +301,35 @@ struct AA { } #[derive(SessionSubdiagnostic)] -union AB { +union AC { //~^ ERROR unexpected unsupported untagged union span: u32, b: u64 } #[derive(SessionSubdiagnostic)] -#[label(slug = "label-ac-1")] +#[label(parser::add_paren)] //~^ NOTE previously specified here //~^^ NOTE previously specified here -#[label(slug = "label-ac-2")] +#[label(parser::add_paren)] //~^ ERROR specified multiple times //~^^ ERROR specified multiple times -struct AC { +struct AD { #[primary_span] span: Span, } #[derive(SessionSubdiagnostic)] -#[label(slug = "label-ad-1", slug = "label-ad-2")] -//~^ ERROR specified multiple times -//~^^ NOTE previously specified here -struct AD { +#[label(parser::add_paren, parser::add_paren)] +//~^ ERROR `#[label(parser::add_paren)]` is not a valid attribute +struct AE { #[primary_span] span: Span, } #[derive(SessionSubdiagnostic)] -#[label(slug = "label-ad-1")] -struct AE { +#[label(parser::add_paren)] +struct AF { #[primary_span] //~^ NOTE previously specified here span_a: Span, @@ -330,15 +339,15 @@ struct AE { } #[derive(SessionSubdiagnostic)] -struct AF { +struct AG { //~^ ERROR subdiagnostic kind not specified #[primary_span] span: Span, } #[derive(SessionSubdiagnostic)] -#[suggestion(slug = "suggestion-af", code = "...")] -struct AG { +#[suggestion(parser::add_paren, code = "...")] +struct AH { #[primary_span] span: Span, #[applicability] @@ -347,8 +356,8 @@ struct AG { } #[derive(SessionSubdiagnostic)] -enum AH { - #[suggestion(slug = "suggestion-ag-a", code = "...")] +enum AI { + #[suggestion(parser::add_paren, code = "...")] A { #[primary_span] span: Span, @@ -356,7 +365,7 @@ enum AH { applicability: Applicability, var: String, }, - #[suggestion(slug = "suggestion-ag-b", code = "...")] + #[suggestion(parser::add_paren, code = "...")] B { #[primary_span] span: Span, @@ -367,10 +376,10 @@ enum AH { } #[derive(SessionSubdiagnostic)] -#[suggestion(slug = "...", code = "...", code = "...")] +#[suggestion(parser::add_paren, code = "...", code = "...")] //~^ ERROR specified multiple times //~^^ NOTE previously specified here -struct AI { +struct AJ { #[primary_span] span: Span, #[applicability] @@ -378,8 +387,8 @@ struct AI { } #[derive(SessionSubdiagnostic)] -#[suggestion(slug = "...", code = "...")] -struct AJ { +#[suggestion(parser::add_paren, code = "...")] +struct AK { #[primary_span] span: Span, #[applicability] @@ -391,9 +400,9 @@ struct AJ { } #[derive(SessionSubdiagnostic)] -#[suggestion(slug = "...", code = "...")] +#[suggestion(parser::add_paren, code = "...")] //~^ ERROR suggestion without `applicability` -struct AK { +struct AL { #[primary_span] span: Span, #[applicability] @@ -402,17 +411,17 @@ struct AK { } #[derive(SessionSubdiagnostic)] -#[suggestion(slug = "...", code = "...")] +#[suggestion(parser::add_paren, code = "...")] //~^ ERROR suggestion without `applicability` -struct AL { +struct AM { #[primary_span] span: Span, } #[derive(SessionSubdiagnostic)] -#[suggestion(slug = "...")] +#[suggestion(parser::add_paren)] //~^ ERROR suggestion without `code = "..."` -struct AM { +struct AN { #[primary_span] span: Span, #[applicability] @@ -420,34 +429,34 @@ struct AM { } #[derive(SessionSubdiagnostic)] -#[suggestion(slug = "...", code ="...", applicability = "foo")] +#[suggestion(parser::add_paren, code ="...", applicability = "foo")] //~^ ERROR invalid applicability -struct AN { +struct AO { #[primary_span] span: Span, } #[derive(SessionSubdiagnostic)] -#[help(slug = "label-am")] -struct AO { +#[help(parser::add_paren)] +struct AP { var: String } #[derive(SessionSubdiagnostic)] -#[note(slug = "label-an")] -struct AP; +#[note(parser::add_paren)] +struct AQ; #[derive(SessionSubdiagnostic)] -#[suggestion(slug = "...", code = "...")] +#[suggestion(parser::add_paren, code = "...")] //~^ ERROR suggestion without `applicability` //~^^ ERROR suggestion without `#[primary_span]` field -struct AQ { +struct AR { var: String, } #[derive(SessionSubdiagnostic)] -#[suggestion(slug = "...", code ="...", applicability = "machine-applicable")] -struct AR { +#[suggestion(parser::add_paren, code ="...", applicability = "machine-applicable")] +struct AS { #[primary_span] span: Span, } @@ -455,8 +464,8 @@ struct AR { #[derive(SessionSubdiagnostic)] #[label] //~^ ERROR unsupported type attribute for subdiagnostic enum -enum AS { - #[label(slug = "...")] +enum AT { + #[label(parser::add_paren)] A { #[primary_span] span: Span, @@ -465,24 +474,24 @@ enum AS { } #[derive(SessionSubdiagnostic)] -#[suggestion(slug = "...", code ="{var}", applicability = "machine-applicable")] -struct AT { +#[suggestion(parser::add_paren, code ="{var}", applicability = "machine-applicable")] +struct AU { #[primary_span] span: Span, var: String, } #[derive(SessionSubdiagnostic)] -#[suggestion(slug = "...", code ="{var}", applicability = "machine-applicable")] +#[suggestion(parser::add_paren, code ="{var}", applicability = "machine-applicable")] //~^ ERROR `var` doesn't refer to a field on this type -struct AU { +struct AV { #[primary_span] span: Span, } #[derive(SessionSubdiagnostic)] -enum AV { - #[suggestion(slug = "...", code ="{var}", applicability = "machine-applicable")] +enum AW { + #[suggestion(parser::add_paren, code ="{var}", applicability = "machine-applicable")] A { #[primary_span] span: Span, @@ -491,8 +500,8 @@ enum AV { } #[derive(SessionSubdiagnostic)] -enum AW { - #[suggestion(slug = "...", code ="{var}", applicability = "machine-applicable")] +enum AX { + #[suggestion(parser::add_paren, code ="{var}", applicability = "machine-applicable")] //~^ ERROR `var` doesn't refer to a field on this type A { #[primary_span] diff --git a/src/test/ui-fulldeps/session-diagnostic/subdiagnostic-derive.stderr b/src/test/ui-fulldeps/session-diagnostic/subdiagnostic-derive.stderr index 4984cc4b318..f833bd210f7 100644 --- a/src/test/ui-fulldeps/session-diagnostic/subdiagnostic-derive.stderr +++ b/src/test/ui-fulldeps/session-diagnostic/subdiagnostic-derive.stderr @@ -1,7 +1,7 @@ error: label without `#[primary_span]` field --> $DIR/subdiagnostic-derive.rs:47:1 | -LL | / #[label(slug = "label-c")] +LL | / #[label(parser::add_paren)] LL | | LL | | struct C { LL | | var: String, @@ -32,98 +32,106 @@ error: `#[label(bug = ...)]` is not a valid attribute LL | #[label(bug = "...")] | ^^^^^^^^^^^ | - = help: only `code`, `slug` and `applicability` are valid nested attributes + = help: first argument of the attribute should be the diagnostic slug error: `#[label("...")]` is not a valid attribute --> $DIR/subdiagnostic-derive.rs:91:9 | LL | #[label("...")] | ^^^^^ + | + = help: first argument of the attribute should be the diagnostic slug error: `#[label(slug = ...)]` is not a valid attribute --> $DIR/subdiagnostic-derive.rs:100:9 | LL | #[label(slug = 4)] | ^^^^^^^^ + | + = help: first argument of the attribute should be the diagnostic slug error: `#[label(slug(...))]` is not a valid attribute --> $DIR/subdiagnostic-derive.rs:109:9 | LL | #[label(slug("..."))] | ^^^^^^^^^^^ - -error: `#[label(slug)]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:118:9 | -LL | #[label(slug)] - | ^^^^ + = help: first argument of the attribute should be the diagnostic slug -error: `slug` must be set in a `#[label(...)]` attribute - --> $DIR/subdiagnostic-derive.rs:127:1 +error: diagnostic slug must be first argument of a `#[label(...)]` attribute + --> $DIR/subdiagnostic-derive.rs:128:1 | LL | #[label()] | ^^^^^^^^^^ error: `code` is not a valid nested attribute of a `label` attribute - --> $DIR/subdiagnostic-derive.rs:136:1 + --> $DIR/subdiagnostic-derive.rs:137:1 + | +LL | #[label(parser::add_paren, code = "...")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: `applicability` is not a valid nested attribute of a `label` attribute + --> $DIR/subdiagnostic-derive.rs:146:1 | -LL | #[label(code = "...")] - | ^^^^^^^^^^^^^^^^^^^^^^ +LL | #[label(parser::add_paren, applicability = "machine-applicable")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: unsupported type attribute for subdiagnostic enum - --> $DIR/subdiagnostic-derive.rs:145:1 + --> $DIR/subdiagnostic-derive.rs:155:1 | LL | #[foo] | ^^^^^^ error: `#[bar]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:159:5 + --> $DIR/subdiagnostic-derive.rs:169:5 | LL | #[bar] | ^^^^^^ error: `#[bar = ...]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:171:5 + --> $DIR/subdiagnostic-derive.rs:181:5 | LL | #[bar = "..."] | ^^^^^^^^^^^^^^ error: `#[bar = ...]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:183:5 + --> $DIR/subdiagnostic-derive.rs:193:5 | LL | #[bar = 4] | ^^^^^^^^^^ error: `#[bar("...")]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:195:11 + --> $DIR/subdiagnostic-derive.rs:205:11 | LL | #[bar("...")] | ^^^^^ + | + = help: first argument of the attribute should be the diagnostic slug -error: `code` is not a valid nested attribute of a `label` attribute - --> $DIR/subdiagnostic-derive.rs:207:5 +error: diagnostic slug must be first argument of a `#[label(...)]` attribute + --> $DIR/subdiagnostic-derive.rs:217:5 | LL | #[label(code = "...")] | ^^^^^^^^^^^^^^^^^^^^^^ error: subdiagnostic kind not specified - --> $DIR/subdiagnostic-derive.rs:224:5 + --> $DIR/subdiagnostic-derive.rs:234:5 | LL | B { | ^ error: the `#[primary_span]` attribute can only be applied to fields of type `Span` - --> $DIR/subdiagnostic-derive.rs:236:5 + --> $DIR/subdiagnostic-derive.rs:246:5 | LL | #[primary_span] | ^^^^^^^^^^^^^^^ error: label without `#[primary_span]` field - --> $DIR/subdiagnostic-derive.rs:233:1 + --> $DIR/subdiagnostic-derive.rs:243:1 | -LL | / #[label(slug = "...")] +LL | / #[label(parser::add_paren)] LL | | -LL | | struct V { +LL | | struct W { LL | | #[primary_span] LL | | LL | | span: String, @@ -131,13 +139,13 @@ LL | | } | |_^ error: `#[applicability]` is only valid on suggestions - --> $DIR/subdiagnostic-derive.rs:246:5 + --> $DIR/subdiagnostic-derive.rs:256:5 | LL | #[applicability] | ^^^^^^^^^^^^^^^^ error: `#[bar]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:256:5 + --> $DIR/subdiagnostic-derive.rs:266:5 | LL | #[bar] | ^^^^^^ @@ -145,21 +153,21 @@ LL | #[bar] = help: only `primary_span`, `applicability` and `skip_arg` are valid field attributes error: `#[bar = ...]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:267:5 + --> $DIR/subdiagnostic-derive.rs:277:5 | LL | #[bar = "..."] | ^^^^^^^^^^^^^^ error: `#[bar(...)]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:278:5 + --> $DIR/subdiagnostic-derive.rs:288:5 | LL | #[bar("...")] | ^^^^^^^^^^^^^ error: unexpected unsupported untagged union - --> $DIR/subdiagnostic-derive.rs:294:1 + --> $DIR/subdiagnostic-derive.rs:304:1 | -LL | / union AB { +LL | / union AC { LL | | LL | | span: u32, LL | | b: u64 @@ -167,95 +175,91 @@ LL | | } | |_^ error: specified multiple times - --> $DIR/subdiagnostic-derive.rs:304:9 + --> $DIR/subdiagnostic-derive.rs:314:1 | -LL | #[label(slug = "label-ac-2")] - | ^^^^^^^^^^^^^^^^^^^ +LL | #[label(parser::add_paren)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: previously specified here - --> $DIR/subdiagnostic-derive.rs:301:9 + --> $DIR/subdiagnostic-derive.rs:311:1 | -LL | #[label(slug = "label-ac-1")] - | ^^^^^^^^^^^^^^^^^^^ +LL | #[label(parser::add_paren)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: specified multiple times - --> $DIR/subdiagnostic-derive.rs:304:1 + --> $DIR/subdiagnostic-derive.rs:314:1 | -LL | #[label(slug = "label-ac-2")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[label(parser::add_paren)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: previously specified here - --> $DIR/subdiagnostic-derive.rs:301:1 + --> $DIR/subdiagnostic-derive.rs:311:1 | -LL | #[label(slug = "label-ac-1")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[label(parser::add_paren)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: specified multiple times - --> $DIR/subdiagnostic-derive.rs:313:30 +error: `#[label(parser::add_paren)]` is not a valid attribute + --> $DIR/subdiagnostic-derive.rs:323:28 | -LL | #[label(slug = "label-ad-1", slug = "label-ad-2")] - | ^^^^^^^^^^^^^^^^^^^ +LL | #[label(parser::add_paren, parser::add_paren)] + | ^^^^^^^^^^^^^^^^^ | -note: previously specified here - --> $DIR/subdiagnostic-derive.rs:313:9 - | -LL | #[label(slug = "label-ad-1", slug = "label-ad-2")] - | ^^^^^^^^^^^^^^^^^^^ + = help: a diagnostic slug must be the first argument to the attribute error: specified multiple times - --> $DIR/subdiagnostic-derive.rs:327:5 + --> $DIR/subdiagnostic-derive.rs:336:5 | LL | #[primary_span] | ^^^^^^^^^^^^^^^ | note: previously specified here - --> $DIR/subdiagnostic-derive.rs:324:5 + --> $DIR/subdiagnostic-derive.rs:333:5 | LL | #[primary_span] | ^^^^^^^^^^^^^^^ error: subdiagnostic kind not specified - --> $DIR/subdiagnostic-derive.rs:333:8 + --> $DIR/subdiagnostic-derive.rs:342:8 | -LL | struct AF { +LL | struct AG { | ^^ error: specified multiple times - --> $DIR/subdiagnostic-derive.rs:370:42 + --> $DIR/subdiagnostic-derive.rs:379:47 | -LL | #[suggestion(slug = "...", code = "...", code = "...")] - | ^^^^^^^^^^^^ +LL | #[suggestion(parser::add_paren, code = "...", code = "...")] + | ^^^^^^^^^^^^ | note: previously specified here - --> $DIR/subdiagnostic-derive.rs:370:28 + --> $DIR/subdiagnostic-derive.rs:379:33 | -LL | #[suggestion(slug = "...", code = "...", code = "...")] - | ^^^^^^^^^^^^ +LL | #[suggestion(parser::add_paren, code = "...", code = "...")] + | ^^^^^^^^^^^^ error: specified multiple times - --> $DIR/subdiagnostic-derive.rs:388:5 + --> $DIR/subdiagnostic-derive.rs:397:5 | LL | #[applicability] | ^^^^^^^^^^^^^^^^ | note: previously specified here - --> $DIR/subdiagnostic-derive.rs:385:5 + --> $DIR/subdiagnostic-derive.rs:394:5 | LL | #[applicability] | ^^^^^^^^^^^^^^^^ error: the `#[applicability]` attribute can only be applied to fields of type `Applicability` - --> $DIR/subdiagnostic-derive.rs:399:5 + --> $DIR/subdiagnostic-derive.rs:408:5 | LL | #[applicability] | ^^^^^^^^^^^^^^^^ error: suggestion without `applicability` - --> $DIR/subdiagnostic-derive.rs:394:1 + --> $DIR/subdiagnostic-derive.rs:403:1 | -LL | / #[suggestion(slug = "...", code = "...")] +LL | / #[suggestion(parser::add_paren, code = "...")] LL | | -LL | | struct AK { +LL | | struct AL { LL | | #[primary_span] ... | LL | | applicability: Span, @@ -263,22 +267,22 @@ LL | | } | |_^ error: suggestion without `applicability` - --> $DIR/subdiagnostic-derive.rs:405:1 + --> $DIR/subdiagnostic-derive.rs:414:1 | -LL | / #[suggestion(slug = "...", code = "...")] +LL | / #[suggestion(parser::add_paren, code = "...")] LL | | -LL | | struct AL { +LL | | struct AM { LL | | #[primary_span] LL | | span: Span, LL | | } | |_^ error: suggestion without `code = "..."` - --> $DIR/subdiagnostic-derive.rs:413:1 + --> $DIR/subdiagnostic-derive.rs:422:1 | -LL | / #[suggestion(slug = "...")] +LL | / #[suggestion(parser::add_paren)] LL | | -LL | | struct AM { +LL | | struct AN { LL | | #[primary_span] ... | LL | | applicability: Applicability, @@ -286,50 +290,50 @@ LL | | } | |_^ error: invalid applicability - --> $DIR/subdiagnostic-derive.rs:423:41 + --> $DIR/subdiagnostic-derive.rs:432:46 | -LL | #[suggestion(slug = "...", code ="...", applicability = "foo")] - | ^^^^^^^^^^^^^^^^^^^^^ +LL | #[suggestion(parser::add_paren, code ="...", applicability = "foo")] + | ^^^^^^^^^^^^^^^^^^^^^ error: suggestion without `applicability` - --> $DIR/subdiagnostic-derive.rs:441:1 + --> $DIR/subdiagnostic-derive.rs:450:1 | -LL | / #[suggestion(slug = "...", code = "...")] +LL | / #[suggestion(parser::add_paren, code = "...")] LL | | LL | | -LL | | struct AQ { +LL | | struct AR { LL | | var: String, LL | | } | |_^ error: suggestion without `#[primary_span]` field - --> $DIR/subdiagnostic-derive.rs:441:1 + --> $DIR/subdiagnostic-derive.rs:450:1 | -LL | / #[suggestion(slug = "...", code = "...")] +LL | / #[suggestion(parser::add_paren, code = "...")] LL | | LL | | -LL | | struct AQ { +LL | | struct AR { LL | | var: String, LL | | } | |_^ error: unsupported type attribute for subdiagnostic enum - --> $DIR/subdiagnostic-derive.rs:456:1 + --> $DIR/subdiagnostic-derive.rs:465:1 | LL | #[label] | ^^^^^^^^ error: `var` doesn't refer to a field on this type - --> $DIR/subdiagnostic-derive.rs:476:34 + --> $DIR/subdiagnostic-derive.rs:485:39 | -LL | #[suggestion(slug = "...", code ="{var}", applicability = "machine-applicable")] - | ^^^^^^^ +LL | #[suggestion(parser::add_paren, code ="{var}", applicability = "machine-applicable")] + | ^^^^^^^ error: `var` doesn't refer to a field on this type - --> $DIR/subdiagnostic-derive.rs:495:38 + --> $DIR/subdiagnostic-derive.rs:504:43 | -LL | #[suggestion(slug = "...", code ="{var}", applicability = "machine-applicable")] - | ^^^^^^^ +LL | #[suggestion(parser::add_paren, code ="{var}", applicability = "machine-applicable")] + | ^^^^^^^ error: cannot find attribute `foo` in this scope --> $DIR/subdiagnostic-derive.rs:63:3 @@ -338,52 +342,59 @@ LL | #[foo] | ^^^ error: cannot find attribute `foo` in this scope - --> $DIR/subdiagnostic-derive.rs:145:3 + --> $DIR/subdiagnostic-derive.rs:155:3 | LL | #[foo] | ^^^ error: cannot find attribute `bar` in this scope - --> $DIR/subdiagnostic-derive.rs:159:7 + --> $DIR/subdiagnostic-derive.rs:169:7 | LL | #[bar] | ^^^ error: cannot find attribute `bar` in this scope - --> $DIR/subdiagnostic-derive.rs:171:7 + --> $DIR/subdiagnostic-derive.rs:181:7 | LL | #[bar = "..."] | ^^^ error: cannot find attribute `bar` in this scope - --> $DIR/subdiagnostic-derive.rs:183:7 + --> $DIR/subdiagnostic-derive.rs:193:7 | LL | #[bar = 4] | ^^^ error: cannot find attribute `bar` in this scope - --> $DIR/subdiagnostic-derive.rs:195:7 + --> $DIR/subdiagnostic-derive.rs:205:7 | LL | #[bar("...")] | ^^^ error: cannot find attribute `bar` in this scope - --> $DIR/subdiagnostic-derive.rs:256:7 + --> $DIR/subdiagnostic-derive.rs:266:7 | LL | #[bar] | ^^^ error: cannot find attribute `bar` in this scope - --> $DIR/subdiagnostic-derive.rs:267:7 + --> $DIR/subdiagnostic-derive.rs:277:7 | LL | #[bar = "..."] | ^^^ error: cannot find attribute `bar` in this scope - --> $DIR/subdiagnostic-derive.rs:278:7 + --> $DIR/subdiagnostic-derive.rs:288:7 | LL | #[bar("...")] | ^^^ -error: aborting due to 51 previous errors +error[E0425]: cannot find value `slug` in module `rustc_errors::fluent` + --> $DIR/subdiagnostic-derive.rs:118:9 + | +LL | #[label(slug)] + | ^^^^ not found in `rustc_errors::fluent` + +error: aborting due to 52 previous errors +For more information about this error, try `rustc --explain E0425`. diff --git a/src/test/ui/array-slice-vec/array_const_index-0.stderr b/src/test/ui/array-slice-vec/array_const_index-0.stderr index 641705e1c68..b44251efdea 100644 --- a/src/test/ui/array-slice-vec/array_const_index-0.stderr +++ b/src/test/ui/array-slice-vec/array_const_index-0.stderr @@ -12,3 +12,16 @@ LL | const B: i32 = (&A)[1]; error: aborting due to previous error +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/array_const_index-0.rs:2:16 + | +LL | const B: i32 = (&A)[1]; + | ---------------^^^^^^^- + | | + | index out of bounds: the length is 0 but the index is 1 + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/array-slice-vec/array_const_index-1.stderr b/src/test/ui/array-slice-vec/array_const_index-1.stderr index 4d52d38af5e..8beebafb04c 100644 --- a/src/test/ui/array-slice-vec/array_const_index-1.stderr +++ b/src/test/ui/array-slice-vec/array_const_index-1.stderr @@ -12,3 +12,16 @@ LL | const B: i32 = A[1]; error: aborting due to previous error +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/array_const_index-1.rs:2:16 + | +LL | const B: i32 = A[1]; + | ---------------^^^^- + | | + | index out of bounds: the length is 0 but the index is 1 + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/associated-consts/defaults-not-assumed-fail.stderr b/src/test/ui/associated-consts/defaults-not-assumed-fail.stderr index 7406b2ddee9..f04ea0b7477 100644 --- a/src/test/ui/associated-consts/defaults-not-assumed-fail.stderr +++ b/src/test/ui/associated-consts/defaults-not-assumed-fail.stderr @@ -29,3 +29,28 @@ LL | assert_eq!(<() as Tr>::B, 0); // causes the error above error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/defaults-not-assumed-fail.rs:8:19 + | +LL | const B: u8 = Self::A + 1; + | --------------^^^^^^^^^^^- + | | + | attempt to compute `u8::MAX + 1_u8`, which would overflow + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: erroneous constant used + --> $DIR/defaults-not-assumed-fail.rs:34:5 + | +LL | assert_eq!(<() as Tr>::B, 0); // causes the error above + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) + diff --git a/src/test/ui/borrowck/issue-81899.stderr b/src/test/ui/borrowck/issue-81899.stderr index 92ebd5a220d..e7345ff3f9a 100644 --- a/src/test/ui/borrowck/issue-81899.stderr +++ b/src/test/ui/borrowck/issue-81899.stderr @@ -27,3 +27,16 @@ LL | const _CONST: &[u8] = &f(&[], |_| {}); error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/issue-81899.rs:4:23 + | +LL | const _CONST: &[u8] = &f(&[], |_| {}); + | ----------------------^^^^^^^^^^^^^^^- + | | + | referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/borrowck/issue-88434-minimal-example.stderr b/src/test/ui/borrowck/issue-88434-minimal-example.stderr index d46cd862e34..47d83c65355 100644 --- a/src/test/ui/borrowck/issue-88434-minimal-example.stderr +++ b/src/test/ui/borrowck/issue-88434-minimal-example.stderr @@ -27,3 +27,16 @@ LL | const _CONST: &() = &f(&|_| {}); error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/issue-88434-minimal-example.rs:3:21 + | +LL | const _CONST: &() = &f(&|_| {}); + | --------------------^^^^^^^^^^^- + | | + | referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/borrowck/issue-88434-removal-index-should-be-less.stderr b/src/test/ui/borrowck/issue-88434-removal-index-should-be-less.stderr index e6b07aba74d..b08a7cfc7fe 100644 --- a/src/test/ui/borrowck/issue-88434-removal-index-should-be-less.stderr +++ b/src/test/ui/borrowck/issue-88434-removal-index-should-be-less.stderr @@ -27,3 +27,16 @@ LL | const _CONST: &[u8] = &f(&[], |_| {}); error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/issue-88434-removal-index-should-be-less.rs:3:23 + | +LL | const _CONST: &[u8] = &f(&[], |_| {}); + | ----------------------^^^^^^^^^^^^^^^- + | | + | referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/assert-type-intrinsics.stderr b/src/test/ui/consts/assert-type-intrinsics.stderr index bb57ee82cc1..89f8f2ffc55 100644 --- a/src/test/ui/consts/assert-type-intrinsics.stderr +++ b/src/test/ui/consts/assert-type-intrinsics.stderr @@ -37,3 +37,45 @@ LL | | }; error: aborting due to 3 previous errors +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/assert-type-intrinsics.rs:14:9 + | +LL | / const _BAD1: () = unsafe { +LL | | MaybeUninit::<!>::uninit().assume_init(); + | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ aborted execution: attempted to instantiate uninhabited type `!` +LL | | }; + | |______- + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/assert-type-intrinsics.rs:17:9 + | +LL | / const _BAD2: () = unsafe { +LL | | intrinsics::assert_uninit_valid::<bool>(); + | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ aborted execution: attempted to leave type `bool` uninitialized, which is invalid +LL | | }; + | |______- + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/assert-type-intrinsics.rs:20:9 + | +LL | / const _BAD3: () = unsafe { +LL | | intrinsics::assert_zero_valid::<&'static i32>(); + | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ aborted execution: attempted to zero-initialize type `&i32`, which is invalid +LL | | }; + | |______- + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/assoc_const_generic_impl.stderr b/src/test/ui/consts/assoc_const_generic_impl.stderr index 96cb904fa1b..cccf62a8ff6 100644 --- a/src/test/ui/consts/assoc_const_generic_impl.stderr +++ b/src/test/ui/consts/assoc_const_generic_impl.stderr @@ -22,3 +22,20 @@ LL | let () = Self::I_AM_ZERO_SIZED; error: aborting due to previous error; 1 warning emitted +Future incompatibility report: Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/assoc_const_generic_impl.rs:11:34 + | +LL | const I_AM_ZERO_SIZED: () = [()][std::mem::size_of::<Self>()]; + | -----------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- + | | + | index out of bounds: the length is 1 but the index is 4 + | +note: the lint level is defined here + --> $DIR/assoc_const_generic_impl.rs:3:9 + | +LL | #![warn(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-err-early.stderr b/src/test/ui/consts/const-err-early.stderr index 2b3d8817387..385e770eb4f 100644 --- a/src/test/ui/consts/const-err-early.stderr +++ b/src/test/ui/consts/const-err-early.stderr @@ -60,3 +60,88 @@ LL | pub const E: u8 = [5u8][1]; error: aborting due to 5 previous errors +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-err-early.rs:3:19 + | +LL | pub const A: i8 = -i8::MIN; + | ------------------^^^^^^^^- + | | + | attempt to negate `i8::MIN`, which would overflow + | +note: the lint level is defined here + --> $DIR/const-err-early.rs:1:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-err-early.rs:5:19 + | +LL | pub const B: u8 = 200u8 + 200u8; + | ------------------^^^^^^^^^^^^^- + | | + | attempt to compute `200_u8 + 200_u8`, which would overflow + | +note: the lint level is defined here + --> $DIR/const-err-early.rs:1:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-err-early.rs:7:19 + | +LL | pub const C: u8 = 200u8 * 4; + | ------------------^^^^^^^^^- + | | + | attempt to compute `200_u8 * 4_u8`, which would overflow + | +note: the lint level is defined here + --> $DIR/const-err-early.rs:1:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-err-early.rs:9:19 + | +LL | pub const D: u8 = 42u8 - (42u8 + 1); + | ------------------^^^^^^^^^^^^^^^^^- + | | + | attempt to compute `42_u8 - 43_u8`, which would overflow + | +note: the lint level is defined here + --> $DIR/const-err-early.rs:1:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-err-early.rs:11:19 + | +LL | pub const E: u8 = [5u8][1]; + | ------------------^^^^^^^^- + | | + | index out of bounds: the length is 1 but the index is 1 + | +note: the lint level is defined here + --> $DIR/const-err-early.rs:1:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-err-multi.stderr b/src/test/ui/consts/const-err-multi.stderr index c8172e83d10..a195459ff08 100644 --- a/src/test/ui/consts/const-err-multi.stderr +++ b/src/test/ui/consts/const-err-multi.stderr @@ -49,3 +49,71 @@ LL | pub const D: i8 = 50 - A; error: aborting due to 4 previous errors +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-err-multi.rs:3:19 + | +LL | pub const A: i8 = -i8::MIN; + | ------------------^^^^^^^^- + | | + | attempt to negate `i8::MIN`, which would overflow + | +note: the lint level is defined here + --> $DIR/const-err-multi.rs:1:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-err-multi.rs:6:19 + | +LL | pub const B: i8 = A; + | ------------------^- + | | + | referenced constant has errors + | +note: the lint level is defined here + --> $DIR/const-err-multi.rs:1:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-err-multi.rs:9:19 + | +LL | pub const C: u8 = A as u8; + | ------------------^------- + | | + | referenced constant has errors + | +note: the lint level is defined here + --> $DIR/const-err-multi.rs:1:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-err-multi.rs:12:24 + | +LL | pub const D: i8 = 50 - A; + | -----------------------^- + | | + | referenced constant has errors + | +note: the lint level is defined here + --> $DIR/const-err-multi.rs:1:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-err.stderr b/src/test/ui/consts/const-err.stderr index 0c963874a84..3b03e702dc4 100644 --- a/src/test/ui/consts/const-err.stderr +++ b/src/test/ui/consts/const-err.stderr @@ -29,3 +29,20 @@ LL | black_box((FOO, FOO)); error: aborting due to 2 previous errors; 1 warning emitted For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/const-err.rs:11:17 + | +LL | const FOO: u8 = [5u8][1]; + | ----------------^^^^^^^^- + | | + | index out of bounds: the length is 1 but the index is 1 + | +note: the lint level is defined here + --> $DIR/const-err.rs:5:9 + | +LL | #![warn(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-eval/conditional_array_execution.stderr b/src/test/ui/consts/const-eval/conditional_array_execution.stderr index 9dc40030a6f..f88bf445426 100644 --- a/src/test/ui/consts/const-eval/conditional_array_execution.stderr +++ b/src/test/ui/consts/const-eval/conditional_array_execution.stderr @@ -33,3 +33,36 @@ LL | println!("{}", FOO); error: aborting due to previous error; 2 warnings emitted For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/conditional_array_execution.rs:7:19 + | +LL | const FOO: u32 = [X - Y, Y - X][(X < Y) as usize]; + | ------------------^^^^^--------------------------- + | | + | attempt to compute `5_u32 - 6_u32`, which would overflow + | +note: the lint level is defined here + --> $DIR/conditional_array_execution.rs:3:9 + | +LL | #![warn(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +warning: erroneous constant used + --> $DIR/conditional_array_execution.rs:12:20 + | +LL | println!("{}", FOO); + | ^^^ referenced constant has errors + | +note: the lint level is defined here + --> $DIR/conditional_array_execution.rs:3:9 + | +LL | #![warn(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + = note: this warning originates in the macro `$crate::format_args_nl` (in Nightly builds, run with -Z macro-backtrace for more info) + diff --git a/src/test/ui/consts/const-eval/const-eval-overflow-2.stderr b/src/test/ui/consts/const-eval/const-eval-overflow-2.stderr index 26728cf5415..1c74b978827 100644 --- a/src/test/ui/consts/const-eval/const-eval-overflow-2.stderr +++ b/src/test/ui/consts/const-eval/const-eval-overflow-2.stderr @@ -12,3 +12,20 @@ LL | NEG_NEG_128 => println!("A"), error: aborting due to 2 previous errors +Future incompatibility report: Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/const-eval-overflow-2.rs:11:25 + | +LL | const NEG_NEG_128: i8 = -NEG_128; + | ------------------------^^^^^^^^- + | | + | attempt to negate `i8::MIN`, which would overflow + | +note: the lint level is defined here + --> $DIR/const-eval-overflow-2.rs:4:36 + | +LL | #![allow(unused_imports, warnings, const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-eval/const-eval-overflow2.stderr b/src/test/ui/consts/const-eval/const-eval-overflow2.stderr index 66e86c352d1..948ead521ea 100644 --- a/src/test/ui/consts/const-eval/const-eval-overflow2.stderr +++ b/src/test/ui/consts/const-eval/const-eval-overflow2.stderr @@ -107,3 +107,153 @@ LL | | ); error: aborting due to 8 previous errors +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-eval-overflow2.rs:14:6 + | +LL | / const VALS_I8: (i8,) = +LL | | ( +LL | | i8::MIN - 1, + | | ^^^^^^^^^^^ attempt to compute `i8::MIN - 1_i8`, which would overflow +LL | | ); + | |_______- + | +note: the lint level is defined here + --> $DIR/const-eval-overflow2.rs:8:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-eval-overflow2.rs:21:6 + | +LL | / const VALS_I16: (i16,) = +LL | | ( +LL | | i16::MIN - 1, + | | ^^^^^^^^^^^^ attempt to compute `i16::MIN - 1_i16`, which would overflow +LL | | ); + | |_______- + | +note: the lint level is defined here + --> $DIR/const-eval-overflow2.rs:8:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-eval-overflow2.rs:28:6 + | +LL | / const VALS_I32: (i32,) = +LL | | ( +LL | | i32::MIN - 1, + | | ^^^^^^^^^^^^ attempt to compute `i32::MIN - 1_i32`, which would overflow +LL | | ); + | |_______- + | +note: the lint level is defined here + --> $DIR/const-eval-overflow2.rs:8:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-eval-overflow2.rs:35:6 + | +LL | / const VALS_I64: (i64,) = +LL | | ( +LL | | i64::MIN - 1, + | | ^^^^^^^^^^^^ attempt to compute `i64::MIN - 1_i64`, which would overflow +LL | | ); + | |_______- + | +note: the lint level is defined here + --> $DIR/const-eval-overflow2.rs:8:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-eval-overflow2.rs:42:6 + | +LL | / const VALS_U8: (u8,) = +LL | | ( +LL | | u8::MIN - 1, + | | ^^^^^^^^^^^ attempt to compute `0_u8 - 1_u8`, which would overflow +LL | | ); + | |_______- + | +note: the lint level is defined here + --> $DIR/const-eval-overflow2.rs:8:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-eval-overflow2.rs:48:6 + | +LL | / const VALS_U16: (u16,) = ( +LL | | u16::MIN - 1, + | | ^^^^^^^^^^^^ attempt to compute `0_u16 - 1_u16`, which would overflow +LL | | ); + | |_______- + | +note: the lint level is defined here + --> $DIR/const-eval-overflow2.rs:8:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-eval-overflow2.rs:54:6 + | +LL | / const VALS_U32: (u32,) = ( +LL | | u32::MIN - 1, + | | ^^^^^^^^^^^^ attempt to compute `0_u32 - 1_u32`, which would overflow +LL | | ); + | |_______- + | +note: the lint level is defined here + --> $DIR/const-eval-overflow2.rs:8:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-eval-overflow2.rs:61:6 + | +LL | / const VALS_U64: (u64,) = +LL | | ( +LL | | u64::MIN - 1, + | | ^^^^^^^^^^^^ attempt to compute `0_u64 - 1_u64`, which would overflow +LL | | ); + | |_______- + | +note: the lint level is defined here + --> $DIR/const-eval-overflow2.rs:8:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-eval/const-eval-overflow2b.stderr b/src/test/ui/consts/const-eval/const-eval-overflow2b.stderr index 3401ba47765..5db6a49a98b 100644 --- a/src/test/ui/consts/const-eval/const-eval-overflow2b.stderr +++ b/src/test/ui/consts/const-eval/const-eval-overflow2b.stderr @@ -107,3 +107,153 @@ LL | | ); error: aborting due to 8 previous errors +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-eval-overflow2b.rs:14:6 + | +LL | / const VALS_I8: (i8,) = +LL | | ( +LL | | i8::MAX + 1, + | | ^^^^^^^^^^^ attempt to compute `i8::MAX + 1_i8`, which would overflow +LL | | ); + | |_______- + | +note: the lint level is defined here + --> $DIR/const-eval-overflow2b.rs:8:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-eval-overflow2b.rs:21:6 + | +LL | / const VALS_I16: (i16,) = +LL | | ( +LL | | i16::MAX + 1, + | | ^^^^^^^^^^^^ attempt to compute `i16::MAX + 1_i16`, which would overflow +LL | | ); + | |_______- + | +note: the lint level is defined here + --> $DIR/const-eval-overflow2b.rs:8:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-eval-overflow2b.rs:28:6 + | +LL | / const VALS_I32: (i32,) = +LL | | ( +LL | | i32::MAX + 1, + | | ^^^^^^^^^^^^ attempt to compute `i32::MAX + 1_i32`, which would overflow +LL | | ); + | |_______- + | +note: the lint level is defined here + --> $DIR/const-eval-overflow2b.rs:8:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-eval-overflow2b.rs:35:6 + | +LL | / const VALS_I64: (i64,) = +LL | | ( +LL | | i64::MAX + 1, + | | ^^^^^^^^^^^^ attempt to compute `i64::MAX + 1_i64`, which would overflow +LL | | ); + | |_______- + | +note: the lint level is defined here + --> $DIR/const-eval-overflow2b.rs:8:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-eval-overflow2b.rs:42:6 + | +LL | / const VALS_U8: (u8,) = +LL | | ( +LL | | u8::MAX + 1, + | | ^^^^^^^^^^^ attempt to compute `u8::MAX + 1_u8`, which would overflow +LL | | ); + | |_______- + | +note: the lint level is defined here + --> $DIR/const-eval-overflow2b.rs:8:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-eval-overflow2b.rs:48:6 + | +LL | / const VALS_U16: (u16,) = ( +LL | | u16::MAX + 1, + | | ^^^^^^^^^^^^ attempt to compute `u16::MAX + 1_u16`, which would overflow +LL | | ); + | |_______- + | +note: the lint level is defined here + --> $DIR/const-eval-overflow2b.rs:8:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-eval-overflow2b.rs:54:6 + | +LL | / const VALS_U32: (u32,) = ( +LL | | u32::MAX + 1, + | | ^^^^^^^^^^^^ attempt to compute `u32::MAX + 1_u32`, which would overflow +LL | | ); + | |_______- + | +note: the lint level is defined here + --> $DIR/const-eval-overflow2b.rs:8:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-eval-overflow2b.rs:61:6 + | +LL | / const VALS_U64: (u64,) = +LL | | ( +LL | | u64::MAX + 1, + | | ^^^^^^^^^^^^ attempt to compute `u64::MAX + 1_u64`, which would overflow +LL | | ); + | |_______- + | +note: the lint level is defined here + --> $DIR/const-eval-overflow2b.rs:8:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-eval/const-eval-overflow2c.stderr b/src/test/ui/consts/const-eval/const-eval-overflow2c.stderr index 93c64090f0e..ec3f3c11059 100644 --- a/src/test/ui/consts/const-eval/const-eval-overflow2c.stderr +++ b/src/test/ui/consts/const-eval/const-eval-overflow2c.stderr @@ -107,3 +107,153 @@ LL | | ); error: aborting due to 8 previous errors +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-eval-overflow2c.rs:14:6 + | +LL | / const VALS_I8: (i8,) = +LL | | ( +LL | | i8::MIN * 2, + | | ^^^^^^^^^^^ attempt to compute `i8::MIN * 2_i8`, which would overflow +LL | | ); + | |_______- + | +note: the lint level is defined here + --> $DIR/const-eval-overflow2c.rs:8:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-eval-overflow2c.rs:21:6 + | +LL | / const VALS_I16: (i16,) = +LL | | ( +LL | | i16::MIN * 2, + | | ^^^^^^^^^^^^ attempt to compute `i16::MIN * 2_i16`, which would overflow +LL | | ); + | |_______- + | +note: the lint level is defined here + --> $DIR/const-eval-overflow2c.rs:8:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-eval-overflow2c.rs:28:6 + | +LL | / const VALS_I32: (i32,) = +LL | | ( +LL | | i32::MIN * 2, + | | ^^^^^^^^^^^^ attempt to compute `i32::MIN * 2_i32`, which would overflow +LL | | ); + | |_______- + | +note: the lint level is defined here + --> $DIR/const-eval-overflow2c.rs:8:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-eval-overflow2c.rs:35:6 + | +LL | / const VALS_I64: (i64,) = +LL | | ( +LL | | i64::MIN * 2, + | | ^^^^^^^^^^^^ attempt to compute `i64::MIN * 2_i64`, which would overflow +LL | | ); + | |_______- + | +note: the lint level is defined here + --> $DIR/const-eval-overflow2c.rs:8:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-eval-overflow2c.rs:42:6 + | +LL | / const VALS_U8: (u8,) = +LL | | ( +LL | | u8::MAX * 2, + | | ^^^^^^^^^^^ attempt to compute `u8::MAX * 2_u8`, which would overflow +LL | | ); + | |_______- + | +note: the lint level is defined here + --> $DIR/const-eval-overflow2c.rs:8:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-eval-overflow2c.rs:48:6 + | +LL | / const VALS_U16: (u16,) = ( +LL | | u16::MAX * 2, + | | ^^^^^^^^^^^^ attempt to compute `u16::MAX * 2_u16`, which would overflow +LL | | ); + | |_______- + | +note: the lint level is defined here + --> $DIR/const-eval-overflow2c.rs:8:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-eval-overflow2c.rs:54:6 + | +LL | / const VALS_U32: (u32,) = ( +LL | | u32::MAX * 2, + | | ^^^^^^^^^^^^ attempt to compute `u32::MAX * 2_u32`, which would overflow +LL | | ); + | |_______- + | +note: the lint level is defined here + --> $DIR/const-eval-overflow2c.rs:8:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-eval-overflow2c.rs:61:6 + | +LL | / const VALS_U64: (u64,) = +LL | | ( +LL | | u64::MAX * 2, + | | ^^^^^^^^^^^^ attempt to compute `u64::MAX * 2_u64`, which would overflow +LL | | ); + | |_______- + | +note: the lint level is defined here + --> $DIR/const-eval-overflow2c.rs:8:9 + | +LL | #![deny(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-eval/const-eval-query-stack.stderr b/src/test/ui/consts/const-eval/const-eval-query-stack.stderr index b74d5a2722b..bbec2a830e6 100644 --- a/src/test/ui/consts/const-eval/const-eval-query-stack.stderr +++ b/src/test/ui/consts/const-eval/const-eval-query-stack.stderr @@ -35,3 +35,31 @@ query stack during panic: #1 [optimized_mir] optimizing MIR for `main` #2 [collect_and_partition_mono_items] collect_and_partition_mono_items end of query stack +Future incompatibility report: Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/const-eval-query-stack.rs:19:16 + | +LL | const X: i32 = 1 / 0; + | ---------------^^^^^- + | | + | attempt to divide `1_i32` by zero + | +note: the lint level is defined here + --> $DIR/const-eval-query-stack.rs:18:8 + | +LL | #[warn(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: erroneous constant used + --> $DIR/const-eval-query-stack.rs:23:27 + | +LL | let x: &'static i32 = &X; + | ^^ referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-eval/const-pointer-values-in-various-types.64bit.stderr b/src/test/ui/consts/const-eval/const-pointer-values-in-various-types.64bit.stderr index c19f6342b5b..b004637fd83 100644 --- a/src/test/ui/consts/const-eval/const-pointer-values-in-various-types.64bit.stderr +++ b/src/test/ui/consts/const-eval/const-pointer-values-in-various-types.64bit.stderr @@ -321,3 +321,354 @@ LL | const STR_CHAR_UNION: char = unsafe { Nonsense { stringy: "3" }.charact error: aborting due to 29 previous errors For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-pointer-values-in-various-types.rs:26:49 + | +LL | const I32_REF_USIZE_UNION: usize = unsafe { Nonsense { int_32_ref: &3 }.u }; + | --------------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-pointer-values-in-various-types.rs:30:43 + | +LL | const I32_REF_U8_UNION: u8 = unsafe { Nonsense { int_32_ref: &3 }.uint_8 }; + | --------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-pointer-values-in-various-types.rs:34:45 + | +LL | const I32_REF_U16_UNION: u16 = unsafe { Nonsense { int_32_ref: &3 }.uint_16 }; + | ----------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-pointer-values-in-various-types.rs:38:45 + | +LL | const I32_REF_U32_UNION: u32 = unsafe { Nonsense { int_32_ref: &3 }.uint_32 }; + | ----------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-pointer-values-in-various-types.rs:42:45 + | +LL | const I32_REF_U64_UNION: u64 = unsafe { Nonsense { int_32_ref: &3 }.uint_64 }; + | ----------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-pointer-values-in-various-types.rs:49:43 + | +LL | const I32_REF_I8_UNION: i8 = unsafe { Nonsense { int_32_ref: &3 }.int_8 }; + | --------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-pointer-values-in-various-types.rs:53:45 + | +LL | const I32_REF_I16_UNION: i16 = unsafe { Nonsense { int_32_ref: &3 }.int_16 }; + | ----------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-pointer-values-in-various-types.rs:57:45 + | +LL | const I32_REF_I32_UNION: i32 = unsafe { Nonsense { int_32_ref: &3 }.int_32 }; + | ----------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-pointer-values-in-various-types.rs:61:45 + | +LL | const I32_REF_I64_UNION: i64 = unsafe { Nonsense { int_32_ref: &3 }.int_64 }; + | ----------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-pointer-values-in-various-types.rs:68:45 + | +LL | const I32_REF_F32_UNION: f32 = unsafe { Nonsense { int_32_ref: &3 }.float_32 }; + | ----------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-pointer-values-in-various-types.rs:72:45 + | +LL | const I32_REF_F64_UNION: f64 = unsafe { Nonsense { int_32_ref: &3 }.float_64 }; + | ----------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-pointer-values-in-various-types.rs:76:47 + | +LL | const I32_REF_BOOL_UNION: bool = unsafe { Nonsense { int_32_ref: &3 }.truthy_falsey }; + | ------------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-pointer-values-in-various-types.rs:80:47 + | +LL | const I32_REF_CHAR_UNION: char = unsafe { Nonsense { int_32_ref: &3 }.character }; + | ------------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-pointer-values-in-various-types.rs:84:39 + | +LL | const STR_U8_UNION: u8 = unsafe { Nonsense { stringy: "3" }.uint_8 }; + | ----------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-pointer-values-in-various-types.rs:88:41 + | +LL | const STR_U16_UNION: u16 = unsafe { Nonsense { stringy: "3" }.uint_16 }; + | ------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-pointer-values-in-various-types.rs:92:41 + | +LL | const STR_U32_UNION: u32 = unsafe { Nonsense { stringy: "3" }.uint_32 }; + | ------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-pointer-values-in-various-types.rs:96:41 + | +LL | const STR_U64_UNION: u64 = unsafe { Nonsense { stringy: "3" }.uint_64 }; + | ------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-pointer-values-in-various-types.rs:100:43 + | +LL | const STR_U128_UNION: u128 = unsafe { Nonsense { stringy: "3" }.uint_128 }; + | --------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-pointer-values-in-various-types.rs:104:39 + | +LL | const STR_I8_UNION: i8 = unsafe { Nonsense { stringy: "3" }.int_8 }; + | ----------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-pointer-values-in-various-types.rs:108:41 + | +LL | const STR_I16_UNION: i16 = unsafe { Nonsense { stringy: "3" }.int_16 }; + | ------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-pointer-values-in-various-types.rs:112:41 + | +LL | const STR_I32_UNION: i32 = unsafe { Nonsense { stringy: "3" }.int_32 }; + | ------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-pointer-values-in-various-types.rs:116:41 + | +LL | const STR_I64_UNION: i64 = unsafe { Nonsense { stringy: "3" }.int_64 }; + | ------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-pointer-values-in-various-types.rs:120:43 + | +LL | const STR_I128_UNION: i128 = unsafe { Nonsense { stringy: "3" }.int_128 }; + | --------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-pointer-values-in-various-types.rs:124:41 + | +LL | const STR_F32_UNION: f32 = unsafe { Nonsense { stringy: "3" }.float_32 }; + | ------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-pointer-values-in-various-types.rs:128:41 + | +LL | const STR_F64_UNION: f64 = unsafe { Nonsense { stringy: "3" }.float_64 }; + | ------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-pointer-values-in-various-types.rs:132:43 + | +LL | const STR_BOOL_UNION: bool = unsafe { Nonsense { stringy: "3" }.truthy_falsey }; + | --------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-pointer-values-in-various-types.rs:136:43 + | +LL | const STR_CHAR_UNION: char = unsafe { Nonsense { stringy: "3" }.character }; + | --------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-eval/const_fn_ptr_fail2.stderr b/src/test/ui/consts/const-eval/const_fn_ptr_fail2.stderr index c17166263ba..daf3d8927c1 100644 --- a/src/test/ui/consts/const-eval/const_fn_ptr_fail2.stderr +++ b/src/test/ui/consts/const-eval/const_fn_ptr_fail2.stderr @@ -21,3 +21,79 @@ LL | x(y) error: aborting due to 2 previous errors; 1 warning emitted For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/const_fn_ptr_fail2.rs:12:5 + | +LL | x(y) + | ^^^^ + | | + | calling non-const function `double` + | inside `bar` at $DIR/const_fn_ptr_fail2.rs:12:5 + | inside `Y` at $DIR/const_fn_ptr_fail2.rs:15:18 +... +LL | const Y: usize = bar(X, 2); // FIXME: should fail to typeck someday + | --------------------------- + | +note: the lint level is defined here + --> $DIR/const_fn_ptr_fail2.rs:4:10 + | +LL | #![allow(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/const_fn_ptr_fail2.rs:12:5 + | +LL | x(y) + | ^^^^ + | | + | calling non-const function `double` + | inside `bar` at $DIR/const_fn_ptr_fail2.rs:12:5 + | inside `Z` at $DIR/const_fn_ptr_fail2.rs:16:18 +... +LL | const Z: usize = bar(double, 2); // FIXME: should fail to typeck someday + | -------------------------------- + | +note: the lint level is defined here + --> $DIR/const_fn_ptr_fail2.rs:4:10 + | +LL | #![allow(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +warning: erroneous constant used + --> $DIR/const_fn_ptr_fail2.rs:19:5 + | +LL | assert_eq!(Y, 4); + | ^^^^^^^^^^^^^^^^ referenced constant has errors + | +note: the lint level is defined here + --> $DIR/const_fn_ptr_fail2.rs:4:10 + | +LL | #![allow(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + = note: this warning originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) + +Future breakage diagnostic: +warning: erroneous constant used + --> $DIR/const_fn_ptr_fail2.rs:21:5 + | +LL | assert_eq!(Z, 4); + | ^^^^^^^^^^^^^^^^ referenced constant has errors + | +note: the lint level is defined here + --> $DIR/const_fn_ptr_fail2.rs:4:10 + | +LL | #![allow(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + = note: this warning originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) + diff --git a/src/test/ui/consts/const-eval/erroneous-const.stderr b/src/test/ui/consts/const-eval/erroneous-const.stderr index 7e2a60929c7..9057b58ded9 100644 --- a/src/test/ui/consts/const-eval/erroneous-const.stderr +++ b/src/test/ui/consts/const-eval/erroneous-const.stderr @@ -41,3 +41,20 @@ LL | pub static FOO: () = no_codegen::<i32>(); error: aborting due to previous error; 2 warnings emitted For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/erroneous-const.rs:6:22 + | +LL | const VOID: () = [()][2]; + | -----------------^^^^^^^- + | | + | index out of bounds: the length is 1 but the index is 2 + | +note: the lint level is defined here + --> $DIR/erroneous-const.rs:2:9 + | +LL | #![warn(const_err, unconditional_panic)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-eval/erroneous-const2.stderr b/src/test/ui/consts/const-eval/erroneous-const2.stderr index 813d3ee249f..bf6cc8410a7 100644 --- a/src/test/ui/consts/const-eval/erroneous-const2.stderr +++ b/src/test/ui/consts/const-eval/erroneous-const2.stderr @@ -35,3 +35,20 @@ LL | let _ = PrintName::<i32>::VOID; error: aborting due to previous error; 2 warnings emitted For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/erroneous-const2.rs:6:22 + | +LL | const VOID: () = [()][2]; + | -----------------^^^^^^^- + | | + | index out of bounds: the length is 1 but the index is 2 + | +note: the lint level is defined here + --> $DIR/erroneous-const2.rs:2:9 + | +LL | #![warn(const_err, unconditional_panic)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-eval/format.stderr b/src/test/ui/consts/const-eval/format.stderr index 44f436ae4e3..b00cadcea99 100644 --- a/src/test/ui/consts/const-eval/format.stderr +++ b/src/test/ui/consts/const-eval/format.stderr @@ -76,3 +76,49 @@ LL | println!("{:?}", 0); error: aborting due to 8 previous errors For more information about this error, try `rustc --explain E0015`. +Future incompatibility report: Future breakage diagnostic: +error: erroneous constant used + --> $DIR/format.rs:2:12 + | +LL | panic!("{:?}", 0); + | ^^^^^^ referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: erroneous constant used + --> $DIR/format.rs:2:20 + | +LL | panic!("{:?}", 0); + | ^ referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + = note: this error originates in the macro `$crate::const_format_args` (in Nightly builds, run with -Z macro-backtrace for more info) + +Future breakage diagnostic: +error: erroneous constant used + --> $DIR/format.rs:11:14 + | +LL | println!("{:?}", 0); + | ^^^^^^ referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: erroneous constant used + --> $DIR/format.rs:11:22 + | +LL | println!("{:?}", 0); + | ^ referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + = note: this error originates in the macro `$crate::format_args_nl` (in Nightly builds, run with -Z macro-backtrace for more info) + diff --git a/src/test/ui/consts/const-eval/index-out-of-bounds-never-type.stderr b/src/test/ui/consts/const-eval/index-out-of-bounds-never-type.stderr index 73664fa49d1..7b3e46fccca 100644 --- a/src/test/ui/consts/const-eval/index-out-of-bounds-never-type.stderr +++ b/src/test/ui/consts/const-eval/index-out-of-bounds-never-type.stderr @@ -22,3 +22,20 @@ LL | let _ = PrintName::<T>::VOID; error: aborting due to previous error; 1 warning emitted +Future incompatibility report: Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/index-out-of-bounds-never-type.rs:10:61 + | +LL | const VOID: ! = { let x = 0 * std::mem::size_of::<T>(); [][x] }; + | --------------------------------------------------------^^^^^--- + | | + | index out of bounds: the length is 0 but the index is 0 + | +note: the lint level is defined here + --> $DIR/index-out-of-bounds-never-type.rs:4:9 + | +LL | #![warn(const_err, unconditional_panic)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-eval/issue-43197.stderr b/src/test/ui/consts/const-eval/issue-43197.stderr index 32ab7c74b89..53ed32638ce 100644 --- a/src/test/ui/consts/const-eval/issue-43197.stderr +++ b/src/test/ui/consts/const-eval/issue-43197.stderr @@ -60,3 +60,69 @@ LL | println!("{} {}", X, Y); error: aborting due to 2 previous errors; 4 warnings emitted For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/issue-43197.rs:10:20 + | +LL | const X: u32 = 0 - 1; + | ---------------^^^^^- + | | + | attempt to compute `0_u32 - 1_u32`, which would overflow + | +note: the lint level is defined here + --> $DIR/issue-43197.rs:3:9 + | +LL | #![warn(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/issue-43197.rs:13:24 + | +LL | const Y: u32 = foo(0 - 1); + | -------------------^^^^^-- + | | + | attempt to compute `0_u32 - 1_u32`, which would overflow + | +note: the lint level is defined here + --> $DIR/issue-43197.rs:3:9 + | +LL | #![warn(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +warning: erroneous constant used + --> $DIR/issue-43197.rs:16:23 + | +LL | println!("{} {}", X, Y); + | ^ referenced constant has errors + | +note: the lint level is defined here + --> $DIR/issue-43197.rs:3:9 + | +LL | #![warn(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + = note: this warning originates in the macro `$crate::format_args_nl` (in Nightly builds, run with -Z macro-backtrace for more info) + +Future breakage diagnostic: +warning: erroneous constant used + --> $DIR/issue-43197.rs:16:26 + | +LL | println!("{} {}", X, Y); + | ^ referenced constant has errors + | +note: the lint level is defined here + --> $DIR/issue-43197.rs:3:9 + | +LL | #![warn(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + = note: this warning originates in the macro `$crate::format_args_nl` (in Nightly builds, run with -Z macro-backtrace for more info) + diff --git a/src/test/ui/consts/const-eval/issue-44578.stderr b/src/test/ui/consts/const-eval/issue-44578.stderr index bff9f40f82b..5ecdb7ef556 100644 --- a/src/test/ui/consts/const-eval/issue-44578.stderr +++ b/src/test/ui/consts/const-eval/issue-44578.stderr @@ -7,3 +7,36 @@ LL | println!("{}", <Bar<u16, u8> as Foo>::AMT); error: aborting due to previous error For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/issue-44578.rs:15:24 + | +LL | const AMT: usize = [A::AMT][(A::AMT > B::AMT) as usize]; + | -------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- + | | + | index out of bounds: the length is 1 but the index is 1 + | +note: the lint level is defined here + --> $DIR/issue-44578.rs:3:10 + | +LL | #![allow(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +warning: erroneous constant used + --> $DIR/issue-44578.rs:27:20 + | +LL | println!("{}", <Bar<u16, u8> as Foo>::AMT); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ referenced constant has errors + | +note: the lint level is defined here + --> $DIR/issue-44578.rs:3:10 + | +LL | #![allow(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + = note: this warning originates in the macro `$crate::format_args_nl` (in Nightly builds, run with -Z macro-backtrace for more info) + diff --git a/src/test/ui/consts/const-eval/issue-50814-2.stderr b/src/test/ui/consts/const-eval/issue-50814-2.stderr index 298f0a4a446..67af3b2b1d3 100644 --- a/src/test/ui/consts/const-eval/issue-50814-2.stderr +++ b/src/test/ui/consts/const-eval/issue-50814-2.stderr @@ -25,3 +25,16 @@ LL | println!("{:x}", foo::<()>() as *const usize as usize); error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/issue-50814-2.rs:14:24 + | +LL | const BAR: usize = [5, 6, 7][T::BOO]; + | -------------------^^^^^^^^^^^^^^^^^- + | | + | index out of bounds: the length is 3 but the index is 42 + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-eval/issue-50814.stderr b/src/test/ui/consts/const-eval/issue-50814.stderr index 87bea28e763..b82bc9ca2f8 100644 --- a/src/test/ui/consts/const-eval/issue-50814.stderr +++ b/src/test/ui/consts/const-eval/issue-50814.stderr @@ -25,3 +25,16 @@ LL | foo(0); error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/issue-50814.rs:15:21 + | +LL | const MAX: u8 = A::MAX + B::MAX; + | ----------------^^^^^^^^^^^^^^^- + | | + | attempt to compute `u8::MAX + u8::MAX`, which would overflow + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-eval/partial_ptr_overwrite.stderr b/src/test/ui/consts/const-eval/partial_ptr_overwrite.stderr index a18c7e78d95..1a7d3861420 100644 --- a/src/test/ui/consts/const-eval/partial_ptr_overwrite.stderr +++ b/src/test/ui/consts/const-eval/partial_ptr_overwrite.stderr @@ -18,3 +18,22 @@ LL | | }; error: aborting due to previous error +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/partial_ptr_overwrite.rs:8:9 + | +LL | / const PARTIAL_OVERWRITE: () = { +LL | | let mut p = &42; +LL | | unsafe { +LL | | let ptr: *mut _ = &mut p; +LL | | *(ptr as *mut u8) = 123; + | | ^^^^^^^^^^^^^^^^^^^^^^^ unable to overwrite parts of a pointer in memory at alloc4 +... | +LL | | let x = *p; +LL | | }; + | |__- + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-eval/promoted_errors.noopt.stderr b/src/test/ui/consts/const-eval/promoted_errors.noopt.stderr index 5bfd4ef92a9..be845339dfe 100644 --- a/src/test/ui/consts/const-eval/promoted_errors.noopt.stderr +++ b/src/test/ui/consts/const-eval/promoted_errors.noopt.stderr @@ -85,3 +85,53 @@ LL | | }; warning: 7 warnings emitted +Future incompatibility report: Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/promoted_errors.rs:15:5 + | +LL | 0 - 1 + | ^^^^^ + | | + | attempt to compute `0_u32 - 1_u32`, which would overflow + | inside `overflow` at $DIR/promoted_errors.rs:15:5 + | inside `X` at $DIR/promoted_errors.rs:43:29 +... +LL | / const X: () = { +LL | | let _x: &'static u32 = &overflow(); +LL | | +LL | | +... | +LL | | let _x: &'static i32 = &oob(); +LL | | }; + | |__- + | +note: the lint level is defined here + --> $DIR/promoted_errors.rs:11:9 + | +LL | #![warn(const_err, arithmetic_overflow, unconditional_panic)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/promoted_errors.rs:43:28 + | +LL | / const X: () = { +LL | | let _x: &'static u32 = &overflow(); + | | ^^^^^^^^^^^ referenced constant has errors +LL | | +LL | | +... | +LL | | let _x: &'static i32 = &oob(); +LL | | }; + | |__- + | +note: the lint level is defined here + --> $DIR/promoted_errors.rs:11:9 + | +LL | #![warn(const_err, arithmetic_overflow, unconditional_panic)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-eval/promoted_errors.opt.stderr b/src/test/ui/consts/const-eval/promoted_errors.opt.stderr index 0a8a8aef3cf..c91d52336c3 100644 --- a/src/test/ui/consts/const-eval/promoted_errors.opt.stderr +++ b/src/test/ui/consts/const-eval/promoted_errors.opt.stderr @@ -86,3 +86,54 @@ LL | | }; warning: 7 warnings emitted +Future incompatibility report: Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/promoted_errors.rs:21:5 + | +LL | 1 / 0 + | ^^^^^ + | | + | attempt to divide `1_i32` by zero + | inside `div_by_zero1` at $DIR/promoted_errors.rs:21:5 + | inside `X` at $DIR/promoted_errors.rs:46:29 +... +LL | / const X: () = { +LL | | let _x: &'static u32 = &overflow(); +LL | | +LL | | +... | +LL | | let _x: &'static i32 = &oob(); +LL | | }; + | |__- + | +note: the lint level is defined here + --> $DIR/promoted_errors.rs:11:9 + | +LL | #![warn(const_err, arithmetic_overflow, unconditional_panic)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/promoted_errors.rs:46:28 + | +LL | / const X: () = { +LL | | let _x: &'static u32 = &overflow(); +LL | | +LL | | +LL | | let _x: &'static i32 = &div_by_zero1(); + | | ^^^^^^^^^^^^^^^ referenced constant has errors +... | +LL | | let _x: &'static i32 = &oob(); +LL | | }; + | |__- + | +note: the lint level is defined here + --> $DIR/promoted_errors.rs:11:9 + | +LL | #![warn(const_err, arithmetic_overflow, unconditional_panic)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-eval/promoted_errors.opt_with_overflow_checks.stderr b/src/test/ui/consts/const-eval/promoted_errors.opt_with_overflow_checks.stderr index 5bfd4ef92a9..be845339dfe 100644 --- a/src/test/ui/consts/const-eval/promoted_errors.opt_with_overflow_checks.stderr +++ b/src/test/ui/consts/const-eval/promoted_errors.opt_with_overflow_checks.stderr @@ -85,3 +85,53 @@ LL | | }; warning: 7 warnings emitted +Future incompatibility report: Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/promoted_errors.rs:15:5 + | +LL | 0 - 1 + | ^^^^^ + | | + | attempt to compute `0_u32 - 1_u32`, which would overflow + | inside `overflow` at $DIR/promoted_errors.rs:15:5 + | inside `X` at $DIR/promoted_errors.rs:43:29 +... +LL | / const X: () = { +LL | | let _x: &'static u32 = &overflow(); +LL | | +LL | | +... | +LL | | let _x: &'static i32 = &oob(); +LL | | }; + | |__- + | +note: the lint level is defined here + --> $DIR/promoted_errors.rs:11:9 + | +LL | #![warn(const_err, arithmetic_overflow, unconditional_panic)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/promoted_errors.rs:43:28 + | +LL | / const X: () = { +LL | | let _x: &'static u32 = &overflow(); + | | ^^^^^^^^^^^ referenced constant has errors +LL | | +LL | | +... | +LL | | let _x: &'static i32 = &oob(); +LL | | }; + | |__- + | +note: the lint level is defined here + --> $DIR/promoted_errors.rs:11:9 + | +LL | #![warn(const_err, arithmetic_overflow, unconditional_panic)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-eval/pub_const_err.stderr b/src/test/ui/consts/const-eval/pub_const_err.stderr index dd47dca2b2e..56d66827626 100644 --- a/src/test/ui/consts/const-eval/pub_const_err.stderr +++ b/src/test/ui/consts/const-eval/pub_const_err.stderr @@ -16,3 +16,20 @@ LL | #![warn(const_err)] warning: 1 warning emitted +Future incompatibility report: Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/pub_const_err.rs:6:20 + | +LL | pub const Z: u32 = 0 - 1; + | -------------------^^^^^- + | | + | attempt to compute `0_u32 - 1_u32`, which would overflow + | +note: the lint level is defined here + --> $DIR/pub_const_err.rs:2:9 + | +LL | #![warn(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-eval/pub_const_err_bin.stderr b/src/test/ui/consts/const-eval/pub_const_err_bin.stderr index 9f413fb8fd7..202ea781e97 100644 --- a/src/test/ui/consts/const-eval/pub_const_err_bin.stderr +++ b/src/test/ui/consts/const-eval/pub_const_err_bin.stderr @@ -16,3 +16,20 @@ LL | #![warn(const_err)] warning: 1 warning emitted +Future incompatibility report: Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/pub_const_err_bin.rs:4:20 + | +LL | pub const Z: u32 = 0 - 1; + | -------------------^^^^^- + | | + | attempt to compute `0_u32 - 1_u32`, which would overflow + | +note: the lint level is defined here + --> $DIR/pub_const_err_bin.rs:2:9 + | +LL | #![warn(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-eval/ref_to_int_match.32bit.stderr b/src/test/ui/consts/const-eval/ref_to_int_match.32bit.stderr index 83ac6c90a43..a55fd8c156e 100644 --- a/src/test/ui/consts/const-eval/ref_to_int_match.32bit.stderr +++ b/src/test/ui/consts/const-eval/ref_to_int_match.32bit.stderr @@ -24,3 +24,16 @@ LL | 10..=BAR => {}, error: aborting due to 3 previous errors +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ref_to_int_match.rs:25:27 + | +LL | const BAR: Int = unsafe { Foo { r: &42 }.f }; + | --------------------------^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-eval/ref_to_int_match.64bit.stderr b/src/test/ui/consts/const-eval/ref_to_int_match.64bit.stderr index 83ac6c90a43..a55fd8c156e 100644 --- a/src/test/ui/consts/const-eval/ref_to_int_match.64bit.stderr +++ b/src/test/ui/consts/const-eval/ref_to_int_match.64bit.stderr @@ -24,3 +24,16 @@ LL | 10..=BAR => {}, error: aborting due to 3 previous errors +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ref_to_int_match.rs:25:27 + | +LL | const BAR: Int = unsafe { Foo { r: &42 }.f }; + | --------------------------^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-eval/ub-enum.32bit.stderr b/src/test/ui/consts/const-eval/ub-enum.32bit.stderr index c6fa14d0534..2440cd2272c 100644 --- a/src/test/ui/consts/const-eval/ub-enum.32bit.stderr +++ b/src/test/ui/consts/const-eval/ub-enum.32bit.stderr @@ -125,3 +125,58 @@ LL | const BAD_UNINHABITED_WITH_DATA2: Result<(i32, !), (i32, Never)> = unsafe { error: aborting due to 13 previous errors For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-enum.rs:26:1 + | +LL | const BAD_ENUM_PTR: Enum = unsafe { mem::transmute(&1) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-enum.rs:30:1 + | +LL | const BAD_ENUM_WRAPPED: Wrap<Enum> = unsafe { mem::transmute(&1) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-enum.rs:45:1 + | +LL | const BAD_ENUM2_PTR: Enum2 = unsafe { mem::transmute(&0) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-enum.rs:49:1 + | +LL | const BAD_ENUM2_WRAPPED: Wrap<Enum2> = unsafe { mem::transmute(&0) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-enum.rs:63:1 + | +LL | const BAD_ENUM2_OPTION_PTR: Option<Enum2> = unsafe { mem::transmute(&0) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-eval/ub-enum.64bit.stderr b/src/test/ui/consts/const-eval/ub-enum.64bit.stderr index 25be593ab83..e9b4023068e 100644 --- a/src/test/ui/consts/const-eval/ub-enum.64bit.stderr +++ b/src/test/ui/consts/const-eval/ub-enum.64bit.stderr @@ -125,3 +125,58 @@ LL | const BAD_UNINHABITED_WITH_DATA2: Result<(i32, !), (i32, Never)> = unsafe { error: aborting due to 13 previous errors For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-enum.rs:26:1 + | +LL | const BAD_ENUM_PTR: Enum = unsafe { mem::transmute(&1) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-enum.rs:30:1 + | +LL | const BAD_ENUM_WRAPPED: Wrap<Enum> = unsafe { mem::transmute(&1) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-enum.rs:45:1 + | +LL | const BAD_ENUM2_PTR: Enum2 = unsafe { mem::transmute(&0) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-enum.rs:49:1 + | +LL | const BAD_ENUM2_WRAPPED: Wrap<Enum2> = unsafe { mem::transmute(&0) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-enum.rs:63:1 + | +LL | const BAD_ENUM2_OPTION_PTR: Option<Enum2> = unsafe { mem::transmute(&0) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-eval/ub-ref-ptr.32bit.stderr b/src/test/ui/consts/const-eval/ub-ref-ptr.32bit.stderr index 8a4f23c033e..10a0ccd552b 100644 --- a/src/test/ui/consts/const-eval/ub-ref-ptr.32bit.stderr +++ b/src/test/ui/consts/const-eval/ub-ref-ptr.32bit.stderr @@ -176,3 +176,66 @@ LL | const DATA_FN_PTR: fn() = unsafe { mem::transmute(&13) }; error: aborting due to 16 previous errors For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-ref-ptr.rs:31:1 + | +LL | const REF_AS_USIZE: usize = unsafe { mem::transmute(&0) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-ref-ptr.rs:35:39 + | +LL | const REF_AS_USIZE_SLICE: &[usize] = &[unsafe { mem::transmute(&0) }]; + | --------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-ref-ptr.rs:35:38 + | +LL | const REF_AS_USIZE_SLICE: &[usize] = &[unsafe { mem::transmute(&0) }]; + | -------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- + | | + | referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-ref-ptr.rs:41:86 + | +LL | const REF_AS_USIZE_BOX_SLICE: Box<[usize]> = unsafe { mem::transmute::<&[usize], _>(&[mem::transmute(&0)]) }; + | -------------------------------------------------------------------------------------^^^^^^^^^^^^^^^^^^^^---- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-ref-ptr.rs:41:85 + | +LL | const REF_AS_USIZE_BOX_SLICE: Box<[usize]> = unsafe { mem::transmute::<&[usize], _>(&[mem::transmute(&0)]) }; + | ------------------------------------------------------------------------------------^^^^^^^^^^^^^^^^^^^^^---- + | | + | referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-eval/ub-ref-ptr.64bit.stderr b/src/test/ui/consts/const-eval/ub-ref-ptr.64bit.stderr index da1c6d1a07f..e9fcefe12c7 100644 --- a/src/test/ui/consts/const-eval/ub-ref-ptr.64bit.stderr +++ b/src/test/ui/consts/const-eval/ub-ref-ptr.64bit.stderr @@ -176,3 +176,66 @@ LL | const DATA_FN_PTR: fn() = unsafe { mem::transmute(&13) }; error: aborting due to 16 previous errors For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-ref-ptr.rs:31:1 + | +LL | const REF_AS_USIZE: usize = unsafe { mem::transmute(&0) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-ref-ptr.rs:35:39 + | +LL | const REF_AS_USIZE_SLICE: &[usize] = &[unsafe { mem::transmute(&0) }]; + | --------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-ref-ptr.rs:35:38 + | +LL | const REF_AS_USIZE_SLICE: &[usize] = &[unsafe { mem::transmute(&0) }]; + | -------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- + | | + | referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-ref-ptr.rs:41:86 + | +LL | const REF_AS_USIZE_BOX_SLICE: Box<[usize]> = unsafe { mem::transmute::<&[usize], _>(&[mem::transmute(&0)]) }; + | -------------------------------------------------------------------------------------^^^^^^^^^^^^^^^^^^^^---- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-ref-ptr.rs:41:85 + | +LL | const REF_AS_USIZE_BOX_SLICE: Box<[usize]> = unsafe { mem::transmute::<&[usize], _>(&[mem::transmute(&0)]) }; + | ------------------------------------------------------------------------------------^^^^^^^^^^^^^^^^^^^^^---- + | | + | referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-eval/ub-wide-ptr.32bit.stderr b/src/test/ui/consts/const-eval/ub-wide-ptr.32bit.stderr index a78cff11589..0c398f5bfd4 100644 --- a/src/test/ui/consts/const-eval/ub-wide-ptr.32bit.stderr +++ b/src/test/ui/consts/const-eval/ub-wide-ptr.32bit.stderr @@ -344,3 +344,86 @@ LL | mem::transmute::<_, &dyn Trait>((&92u8, &3u64)) error: aborting due to 32 previous errors For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-wide-ptr.rs:42:1 + | +LL | const STR_LENGTH_PTR: &str = unsafe { mem::transmute((&42u8, &3)) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-wide-ptr.rs:46:1 + | +LL | const MY_STR_LENGTH_PTR: &MyStr = unsafe { mem::transmute((&42u8, &3)) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-wide-ptr.rs:75:1 + | +LL | const SLICE_LENGTH_PTR: &[u8] = unsafe { mem::transmute((&42u8, &3)) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-wide-ptr.rs:82:1 + | +LL | const SLICE_LENGTH_PTR_BOX: Box<[u8]> = unsafe { mem::transmute((&42u8, &3)) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-wide-ptr.rs:87:40 + | +LL | const SLICE_CONTENT_INVALID: &[bool] = &[unsafe { mem::transmute(3u8) }]; + | ---------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- + | | + | referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-wide-ptr.rs:95:42 + | +LL | const MYSLICE_PREFIX_BAD: &MySliceBool = &MySlice(unsafe { mem::transmute(3u8) }, [false]); + | -----------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- + | | + | referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-wide-ptr.rs:100:42 + | +LL | const MYSLICE_SUFFIX_BAD: &MySliceBool = &MySlice(true, [unsafe { mem::transmute(3u8) }]); + | -----------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- + | | + | referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-eval/ub-wide-ptr.64bit.stderr b/src/test/ui/consts/const-eval/ub-wide-ptr.64bit.stderr index 69a61d9caed..bf53995d956 100644 --- a/src/test/ui/consts/const-eval/ub-wide-ptr.64bit.stderr +++ b/src/test/ui/consts/const-eval/ub-wide-ptr.64bit.stderr @@ -344,3 +344,86 @@ LL | mem::transmute::<_, &dyn Trait>((&92u8, &3u64)) error: aborting due to 32 previous errors For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-wide-ptr.rs:42:1 + | +LL | const STR_LENGTH_PTR: &str = unsafe { mem::transmute((&42u8, &3)) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-wide-ptr.rs:46:1 + | +LL | const MY_STR_LENGTH_PTR: &MyStr = unsafe { mem::transmute((&42u8, &3)) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-wide-ptr.rs:75:1 + | +LL | const SLICE_LENGTH_PTR: &[u8] = unsafe { mem::transmute((&42u8, &3)) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-wide-ptr.rs:82:1 + | +LL | const SLICE_LENGTH_PTR_BOX: Box<[u8]> = unsafe { mem::transmute((&42u8, &3)) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-wide-ptr.rs:87:40 + | +LL | const SLICE_CONTENT_INVALID: &[bool] = &[unsafe { mem::transmute(3u8) }]; + | ---------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- + | | + | referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-wide-ptr.rs:95:42 + | +LL | const MYSLICE_PREFIX_BAD: &MySliceBool = &MySlice(unsafe { mem::transmute(3u8) }, [false]); + | -----------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- + | | + | referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ub-wide-ptr.rs:100:42 + | +LL | const MYSLICE_SUFFIX_BAD: &MySliceBool = &MySlice(true, [unsafe { mem::transmute(3u8) }]); + | -----------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- + | | + | referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-eval/unused-broken-const.stderr b/src/test/ui/consts/const-eval/unused-broken-const.stderr index 2ce60ec16a3..bfc076aa5e6 100644 --- a/src/test/ui/consts/const-eval/unused-broken-const.stderr +++ b/src/test/ui/consts/const-eval/unused-broken-const.stderr @@ -12,3 +12,16 @@ LL | const FOO: i32 = [][0]; error: aborting due to previous error +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/unused-broken-const.rs:5:18 + | +LL | const FOO: i32 = [][0]; + | -----------------^^^^^- + | | + | index out of bounds: the length is 0 but the index is 0 + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-external-macro-const-err.stderr b/src/test/ui/consts/const-external-macro-const-err.stderr index a66d79a1616..205ee92dfd7 100644 --- a/src/test/ui/consts/const-external-macro-const-err.stderr +++ b/src/test/ui/consts/const-external-macro-const-err.stderr @@ -11,3 +11,15 @@ LL | static_assert!(2 + 2 == 5); error: aborting due to previous error +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-external-macro-const-err.rs:12:5 + | +LL | static_assert!(2 + 2 == 5); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ index out of bounds: the length is 1 but the index is 1 + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + = note: this error originates in the macro `static_assert` (in Nightly builds, run with -Z macro-backtrace for more info) + diff --git a/src/test/ui/consts/const-float-bits-reject-conv.stderr b/src/test/ui/consts/const-float-bits-reject-conv.stderr index f3fd098e848..d822171df72 100644 --- a/src/test/ui/consts/const-float-bits-reject-conv.stderr +++ b/src/test/ui/consts/const-float-bits-reject-conv.stderr @@ -214,3 +214,115 @@ LL | const_assert!(f64::from_bits(MASKED_NAN2).to_bits(), MASKED_NAN2); error: aborting due to 12 previous errors For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-float-bits-reject-conv.rs:30:34 + | +LL | const _: () = assert!($a); + | -------------------------- +... +LL | const_assert!(f32::from_bits(MASKED_NAN1).is_nan()); + | ^^^^^^^^^^^ referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-float-bits-reject-conv.rs:33:34 + | +LL | const _: () = assert!($a); + | -------------------------- +... +LL | const_assert!(f32::from_bits(MASKED_NAN1).is_nan()); + | ^^^^^^^^^^^ referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-float-bits-reject-conv.rs:41:38 + | +LL | const _: () = assert!($a == $b); + | -------------------------------- +... +LL | const_assert!(f32::from_bits(MASKED_NAN1).to_bits(), MASKED_NAN1); + | ^^^^^^^^^^^ referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-float-bits-reject-conv.rs:44:38 + | +LL | const _: () = assert!($a == $b); + | -------------------------------- +... +LL | const_assert!(f32::from_bits(MASKED_NAN2).to_bits(), MASKED_NAN2); + | ^^^^^^^^^^^ referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-float-bits-reject-conv.rs:57:34 + | +LL | const _: () = assert!($a); + | -------------------------- +... +LL | const_assert!(f64::from_bits(MASKED_NAN1).is_nan()); + | ^^^^^^^^^^^ referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-float-bits-reject-conv.rs:60:34 + | +LL | const _: () = assert!($a); + | -------------------------- +... +LL | const_assert!(f64::from_bits(MASKED_NAN1).is_nan()); + | ^^^^^^^^^^^ referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-float-bits-reject-conv.rs:66:38 + | +LL | const _: () = assert!($a == $b); + | -------------------------------- +... +LL | const_assert!(f64::from_bits(MASKED_NAN1).to_bits(), MASKED_NAN1); + | ^^^^^^^^^^^ referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-float-bits-reject-conv.rs:69:38 + | +LL | const _: () = assert!($a == $b); + | -------------------------------- +... +LL | const_assert!(f64::from_bits(MASKED_NAN2).to_bits(), MASKED_NAN2); + | ^^^^^^^^^^^ referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-len-underflow-separate-spans.stderr b/src/test/ui/consts/const-len-underflow-separate-spans.stderr index 70f645a6c40..0c10783476a 100644 --- a/src/test/ui/consts/const-len-underflow-separate-spans.stderr +++ b/src/test/ui/consts/const-len-underflow-separate-spans.stderr @@ -19,3 +19,16 @@ LL | let a: [i8; LEN] = unimplemented!(); error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-len-underflow-separate-spans.rs:7:20 + | +LL | const LEN: usize = ONE - TWO; + | -------------------^^^^^^^^^- + | | + | attempt to compute `1_usize - 2_usize`, which would overflow + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-prop-read-static-in-const.stderr b/src/test/ui/consts/const-prop-read-static-in-const.stderr index 94d3f1c6145..a60cd16f05a 100644 --- a/src/test/ui/consts/const-prop-read-static-in-const.stderr +++ b/src/test/ui/consts/const-prop-read-static-in-const.stderr @@ -20,3 +20,16 @@ LL | const TEST: u8 = MY_STATIC; error: aborting due to previous error; 1 warning emitted +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-prop-read-static-in-const.rs:5:18 + | +LL | const TEST: u8 = MY_STATIC; + | -----------------^^^^^^^^^- + | | + | constant accesses static + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-size_of_val-align_of_val-extern-type.stderr b/src/test/ui/consts/const-size_of_val-align_of_val-extern-type.stderr index a9211c17a6b..c6e0b321124 100644 --- a/src/test/ui/consts/const-size_of_val-align_of_val-extern-type.stderr +++ b/src/test/ui/consts/const-size_of_val-align_of_val-extern-type.stderr @@ -23,3 +23,29 @@ LL | const _ALIGN: usize = unsafe { min_align_of_val(&4 as *const i32 as *const error: aborting due to 2 previous errors +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-size_of_val-align_of_val-extern-type.rs:11:31 + | +LL | const _SIZE: usize = unsafe { size_of_val(&4 as *const i32 as *const Opaque) }; + | ------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | `extern type` does not have known layout + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-size_of_val-align_of_val-extern-type.rs:13:32 + | +LL | const _ALIGN: usize = unsafe { min_align_of_val(&4 as *const i32 as *const Opaque) }; + | -------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | `extern type` does not have known layout + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const-slice-oob.stderr b/src/test/ui/consts/const-slice-oob.stderr index 6d2c79034d3..c9f949727bc 100644 --- a/src/test/ui/consts/const-slice-oob.stderr +++ b/src/test/ui/consts/const-slice-oob.stderr @@ -12,3 +12,16 @@ LL | const BAR: u32 = FOO[5]; error: aborting due to previous error +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const-slice-oob.rs:4:18 + | +LL | const BAR: u32 = FOO[5]; + | -----------------^^^^^^- + | | + | index out of bounds: the length is 3 but the index is 5 + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/const_limit/const_eval_limit_reached.stderr b/src/test/ui/consts/const_limit/const_eval_limit_reached.stderr index 5e706a4466e..ee95b0d5180 100644 --- a/src/test/ui/consts/const_limit/const_eval_limit_reached.stderr +++ b/src/test/ui/consts/const_limit/const_eval_limit_reached.stderr @@ -17,3 +17,21 @@ LL | | }; error: aborting due to previous error +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/const_eval_limit_reached.rs:6:11 + | +LL | / const X: usize = { +LL | | let mut x = 0; +LL | | while x != 1000 { + | | ^^^^^^^^^ exceeded interpreter step limit (see `#[const_eval_limit]`) +LL | | +... | +LL | | x +LL | | }; + | |__- + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/invalid-union.32bit.stderr b/src/test/ui/consts/invalid-union.32bit.stderr index 38c38d1ae67..bd7c95342f7 100644 --- a/src/test/ui/consts/invalid-union.32bit.stderr +++ b/src/test/ui/consts/invalid-union.32bit.stderr @@ -22,3 +22,14 @@ LL | let _: &'static _ = &C; error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +error: erroneous constant used + --> $DIR/invalid-union.rs:41:25 + | +LL | let _: &'static _ = &C; + | ^^ referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/invalid-union.64bit.stderr b/src/test/ui/consts/invalid-union.64bit.stderr index 6bfa97a2fde..0d8b8ffcc16 100644 --- a/src/test/ui/consts/invalid-union.64bit.stderr +++ b/src/test/ui/consts/invalid-union.64bit.stderr @@ -22,3 +22,14 @@ LL | let _: &'static _ = &C; error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +error: erroneous constant used + --> $DIR/invalid-union.rs:41:25 + | +LL | let _: &'static _ = &C; + | ^^ referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/issue-56164.stderr b/src/test/ui/consts/issue-56164.stderr index 3b80b3486a8..73a0f8ec0d0 100644 --- a/src/test/ui/consts/issue-56164.stderr +++ b/src/test/ui/consts/issue-56164.stderr @@ -26,3 +26,14 @@ LL | const fn foo() { (||{})() } error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0015`. +Future incompatibility report: Future breakage diagnostic: +error: erroneous constant used + --> $DIR/issue-56164.rs:1:18 + | +LL | const fn foo() { (||{})() } + | ^^^^^^ referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/issue-66693.stderr b/src/test/ui/consts/issue-66693.stderr index b8257684983..929f905ae91 100644 --- a/src/test/ui/consts/issue-66693.stderr +++ b/src/test/ui/consts/issue-66693.stderr @@ -34,3 +34,14 @@ LL | panic!(&1); error: aborting due to 4 previous errors +Future incompatibility report: Future breakage diagnostic: +error: erroneous constant used + --> $DIR/issue-66693.rs:11:12 + | +LL | panic!(&1); + | ^^ referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/issue-miri-1910.stderr b/src/test/ui/consts/issue-miri-1910.stderr index 87882449c73..e76a1f96b46 100644 --- a/src/test/ui/consts/issue-miri-1910.stderr +++ b/src/test/ui/consts/issue-miri-1910.stderr @@ -24,3 +24,28 @@ LL | | }; error: aborting due to previous error +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL + | +LL | copy_nonoverlapping(src, tmp.as_mut_ptr(), 1); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | | + | unable to turn pointer into raw bytes + | inside `std::ptr::read::<u8>` at $SRC_DIR/core/src/ptr/mod.rs:LL:COL + | inside `ptr::const_ptr::<impl *const u8>::read` at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL + | inside `C` at $DIR/issue-miri-1910.rs:7:5 + | + ::: $DIR/issue-miri-1910.rs:4:1 + | +LL | / const C: () = unsafe { +LL | | let foo = Some(&42 as *const i32); +LL | | let one_and_a_half_pointers = std::mem::size_of::<*const i32>()/2*3; +LL | | (&foo as *const _ as *const u8).add(one_and_a_half_pointers).read(); +LL | | }; + | |__- + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/miri_unleashed/assoc_const.stderr b/src/test/ui/consts/miri_unleashed/assoc_const.stderr index 193a49bb266..1765c9ed10a 100644 --- a/src/test/ui/consts/miri_unleashed/assoc_const.stderr +++ b/src/test/ui/consts/miri_unleashed/assoc_const.stderr @@ -15,3 +15,28 @@ LL | const F: u32 = (U::X, 42).1; error: aborting due to previous error; 1 warning emitted For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +warning: any use of this value will cause an error + --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL + | +LL | pub unsafe fn drop_in_place<T: ?Sized>(to_drop: *mut T) { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | | + | calling non-const function `<Vec<u32> as Drop>::drop` + | inside `std::ptr::drop_in_place::<Vec<u32>> - shim(Some(Vec<u32>))` at $SRC_DIR/core/src/ptr/mod.rs:LL:COL + | inside `std::ptr::drop_in_place::<(Vec<u32>, u32)> - shim(Some((Vec<u32>, u32)))` at $SRC_DIR/core/src/ptr/mod.rs:LL:COL + | inside `<String as Bar<Vec<u32>, String>>::F` at $DIR/assoc_const.rs:14:31 + | + ::: $DIR/assoc_const.rs:14:5 + | +LL | const F: u32 = (U::X, 42).1; + | ---------------------------- + | +note: the lint level is defined here + --> $DIR/assoc_const.rs:4:10 + | +LL | #![allow(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/miri_unleashed/assoc_const_2.stderr b/src/test/ui/consts/miri_unleashed/assoc_const_2.stderr index e15717979c5..f7be42de03f 100644 --- a/src/test/ui/consts/miri_unleashed/assoc_const_2.stderr +++ b/src/test/ui/consts/miri_unleashed/assoc_const_2.stderr @@ -7,3 +7,20 @@ LL | let y = <String as Bar<String>>::F; error: aborting due to previous error For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/assoc_const_2.rs:12:20 + | +LL | const F: u32 = 100 / U::X; + | ---------------^^^^^^^^^^- + | | + | attempt to divide `100_u32` by zero + | +note: the lint level is defined here + --> $DIR/assoc_const_2.rs:3:10 + | +LL | #![allow(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/miri_unleashed/const_refers_to_static.stderr b/src/test/ui/consts/miri_unleashed/const_refers_to_static.stderr index c48f59fe848..98d4dff648a 100644 --- a/src/test/ui/consts/miri_unleashed/const_refers_to_static.stderr +++ b/src/test/ui/consts/miri_unleashed/const_refers_to_static.stderr @@ -47,3 +47,58 @@ LL | const READ_MUT: u32 = unsafe { MUTABLE }; error: aborting due to 3 previous errors; 1 warning emitted For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/const_refers_to_static.rs:13:5 + | +LL | / const MUTATE_INTERIOR_MUT: usize = { +LL | | static FOO: AtomicUsize = AtomicUsize::new(0); +LL | | FOO.fetch_add(1, Ordering::Relaxed) + | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ calling non-const function `AtomicUsize::fetch_add` +LL | | }; + | |__- + | +note: the lint level is defined here + --> $DIR/const_refers_to_static.rs:3:10 + | +LL | #![allow(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/const_refers_to_static.rs:18:14 + | +LL | / const READ_INTERIOR_MUT: usize = { +LL | | static FOO: AtomicUsize = AtomicUsize::new(0); +LL | | unsafe { *(&FOO as *const _ as *const usize) } + | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ constant accesses static +LL | | }; + | |__- + | +note: the lint level is defined here + --> $DIR/const_refers_to_static.rs:3:10 + | +LL | #![allow(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/const_refers_to_static.rs:22:32 + | +LL | const READ_MUT: u32 = unsafe { MUTABLE }; + | -------------------------------^^^^^^^--- + | | + | constant accesses static + | +note: the lint level is defined here + --> $DIR/const_refers_to_static.rs:3:10 + | +LL | #![allow(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/miri_unleashed/const_refers_to_static_cross_crate.32bit.stderr b/src/test/ui/consts/miri_unleashed/const_refers_to_static_cross_crate.32bit.stderr index 186c5b1856b..2a0766294d3 100644 --- a/src/test/ui/consts/miri_unleashed/const_refers_to_static_cross_crate.32bit.stderr +++ b/src/test/ui/consts/miri_unleashed/const_refers_to_static_cross_crate.32bit.stderr @@ -170,3 +170,45 @@ LL | unsafe { match static_cross_crate::OPT_ZERO { Some(ref u) => u, None => error: aborting due to 10 previous errors; 3 warnings emitted For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/const_refers_to_static_cross_crate.rs:25:15 + | +LL | / const U8_MUT2: &u8 = { +LL | | unsafe { &(*static_cross_crate::ZERO_REF)[0] } + | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ constant accesses static +LL | | +LL | | +LL | | +LL | | }; + | |__- + | +note: the lint level is defined here + --> $DIR/const_refers_to_static_cross_crate.rs:23:8 + | +LL | #[warn(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/const_refers_to_static_cross_crate.rs:32:20 + | +LL | / const U8_MUT3: &u8 = { +LL | | unsafe { match static_cross_crate::OPT_ZERO { Some(ref u) => u, None => panic!() } } + | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ constant accesses static +LL | | +LL | | +LL | | +LL | | }; + | |__- + | +note: the lint level is defined here + --> $DIR/const_refers_to_static_cross_crate.rs:30:8 + | +LL | #[warn(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/miri_unleashed/const_refers_to_static_cross_crate.64bit.stderr b/src/test/ui/consts/miri_unleashed/const_refers_to_static_cross_crate.64bit.stderr index 7a64abd7b9c..2d4f038d914 100644 --- a/src/test/ui/consts/miri_unleashed/const_refers_to_static_cross_crate.64bit.stderr +++ b/src/test/ui/consts/miri_unleashed/const_refers_to_static_cross_crate.64bit.stderr @@ -170,3 +170,45 @@ LL | unsafe { match static_cross_crate::OPT_ZERO { Some(ref u) => u, None => error: aborting due to 10 previous errors; 3 warnings emitted For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/const_refers_to_static_cross_crate.rs:25:15 + | +LL | / const U8_MUT2: &u8 = { +LL | | unsafe { &(*static_cross_crate::ZERO_REF)[0] } + | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ constant accesses static +LL | | +LL | | +LL | | +LL | | }; + | |__- + | +note: the lint level is defined here + --> $DIR/const_refers_to_static_cross_crate.rs:23:8 + | +LL | #[warn(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/const_refers_to_static_cross_crate.rs:32:20 + | +LL | / const U8_MUT3: &u8 = { +LL | | unsafe { match static_cross_crate::OPT_ZERO { Some(ref u) => u, None => panic!() } } + | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ constant accesses static +LL | | +LL | | +LL | | +LL | | }; + | |__- + | +note: the lint level is defined here + --> $DIR/const_refers_to_static_cross_crate.rs:30:8 + | +LL | #[warn(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/ptr_comparisons.stderr b/src/test/ui/consts/ptr_comparisons.stderr index 12f6ca0b51a..594576fe2cf 100644 --- a/src/test/ui/consts/ptr_comparisons.stderr +++ b/src/test/ui/consts/ptr_comparisons.stderr @@ -44,3 +44,29 @@ LL | const _: usize = unsafe { *std::mem::transmute::<&&usize, &usize>(&FOO) + 4 error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ptr_comparisons.rs:65:27 + | +LL | const _: usize = unsafe { std::mem::transmute::<*const usize, usize>(FOO) + 4 }; + | --------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/ptr_comparisons.rs:70:27 + | +LL | const _: usize = unsafe { *std::mem::transmute::<&&usize, &usize>(&FOO) + 4 }; + | --------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------- + | | + | unable to turn pointer into raw bytes + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/recursive.stderr b/src/test/ui/consts/recursive.stderr index 31ac1fff4e8..8d1e10d4176 100644 --- a/src/test/ui/consts/recursive.stderr +++ b/src/test/ui/consts/recursive.stderr @@ -29,3 +29,22 @@ LL | const X: () = f(1); error: aborting due to previous error; 1 warning emitted +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/recursive.rs:4:5 + | +LL | f(x); + | ^^^^ + | | + | reached the configured maximum number of stack frames + | inside `f::<i32>` at $DIR/recursive.rs:4:5 + | [... 126 additional calls inside `f::<i32>` at $DIR/recursive.rs:4:5 ...] + | inside `X` at $DIR/recursive.rs:9:15 +... +LL | const X: () = f(1); + | ------------------- + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/consts/uninhabited-const-issue-61744.stderr b/src/test/ui/consts/uninhabited-const-issue-61744.stderr index e98eefc11c3..17dd6131436 100644 --- a/src/test/ui/consts/uninhabited-const-issue-61744.stderr +++ b/src/test/ui/consts/uninhabited-const-issue-61744.stderr @@ -150,3 +150,147 @@ LL | dbg!(i32::CONSTANT); error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +error: any use of this value will cause an error + --> $DIR/uninhabited-const-issue-61744.rs:4:5 + | +LL | hint_unreachable() + | ^^^^^^^^^^^^^^^^^^ + | | + | reached the configured maximum number of stack frames + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<!>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `hint_unreachable` at $DIR/uninhabited-const-issue-61744.rs:9:5 + | inside `fake_type::<i32>` at $DIR/uninhabited-const-issue-61744.rs:4:5 + | inside `<i32 as Const>::CONSTANT` at $DIR/uninhabited-const-issue-61744.rs:13:36 +... +LL | const CONSTANT: i32 = unsafe { fake_type() }; + | --------------------------------------------- + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/generic-associated-types/issue-91883.rs b/src/test/ui/generic-associated-types/issue-91883.rs new file mode 100644 index 00000000000..3d4585a44df --- /dev/null +++ b/src/test/ui/generic-associated-types/issue-91883.rs @@ -0,0 +1,42 @@ +#![feature(generic_associated_types)] + +use std::fmt::Debug; +use std::marker::PhantomData; + +#[derive(Debug)] +pub struct TransactionImpl<'db> { + _marker: PhantomData<&'db ()>, +} + +#[derive(Debug)] +pub struct CursorImpl<'txn> { + _marker: PhantomData<&'txn ()>, +} + +pub trait Cursor<'txn> {} + +pub trait Transaction<'db>: Send + Sync + Debug + Sized { + type Cursor<'tx>: Cursor<'tx> + where + 'db: 'tx, + Self: 'tx; + + fn cursor<'tx>(&'tx self) -> Result<Self::Cursor<'tx>, ()> + where + 'db: 'tx; +} + +impl<'tx> Cursor<'tx> for CursorImpl<'tx> {} + +impl<'db> Transaction<'db> for TransactionImpl<'db> { + type Cursor<'tx> = CursorImpl<'tx>; //~ ERROR lifetime bound not satisfied + + fn cursor<'tx>(&'tx self) -> Result<Self::Cursor<'tx>, ()> + where + 'db: 'tx, + { + loop {} + } +} + +fn main() {} diff --git a/src/test/ui/generic-associated-types/issue-91883.stderr b/src/test/ui/generic-associated-types/issue-91883.stderr new file mode 100644 index 00000000000..ed700876e02 --- /dev/null +++ b/src/test/ui/generic-associated-types/issue-91883.stderr @@ -0,0 +1,26 @@ +error[E0478]: lifetime bound not satisfied + --> $DIR/issue-91883.rs:32:24 + | +LL | / type Cursor<'tx>: Cursor<'tx> +LL | | where +LL | | 'db: 'tx, +LL | | Self: 'tx; + | |__________________- definition of `Cursor` from trait +... +LL | type Cursor<'tx> = CursorImpl<'tx>; + | ^^^^^^^^^^^^^^^- help: try copying these clauses from the trait: `where 'db: 'tx, Self: 'tx` + | +note: lifetime parameter instantiated with the lifetime `'db` as defined here + --> $DIR/issue-91883.rs:31:6 + | +LL | impl<'db> Transaction<'db> for TransactionImpl<'db> { + | ^^^ +note: but lifetime parameter must outlive the lifetime `'tx` as defined here + --> $DIR/issue-91883.rs:32:17 + | +LL | type Cursor<'tx> = CursorImpl<'tx>; + | ^^^ + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0478`. diff --git a/src/test/ui/limits/issue-55878.stderr b/src/test/ui/limits/issue-55878.stderr index 90411353f08..1402d138703 100644 --- a/src/test/ui/limits/issue-55878.stderr +++ b/src/test/ui/limits/issue-55878.stderr @@ -23,3 +23,15 @@ LL | println!("Size: {}", std::mem::size_of::<[u8; u64::MAX as usize]>()); error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0080`. +Future incompatibility report: Future breakage diagnostic: +error: erroneous constant used + --> $DIR/issue-55878.rs:7:26 + | +LL | println!("Size: {}", std::mem::size_of::<[u8; u64::MAX as usize]>()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ referenced constant has errors + | + = note: `#[deny(const_err)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + = note: this error originates in the macro `$crate::format_args_nl` (in Nightly builds, run with -Z macro-backtrace for more info) + diff --git a/src/test/ui/lint/force-warn/allowed-cli-deny-by-default-lint.stderr b/src/test/ui/lint/force-warn/allowed-cli-deny-by-default-lint.stderr index af6308f0d1b..c14529a7d09 100644 --- a/src/test/ui/lint/force-warn/allowed-cli-deny-by-default-lint.stderr +++ b/src/test/ui/lint/force-warn/allowed-cli-deny-by-default-lint.stderr @@ -12,3 +12,16 @@ LL | const C: i32 = 1 / 0; warning: 1 warning emitted +Future incompatibility report: Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/allowed-cli-deny-by-default-lint.rs:6:16 + | +LL | const C: i32 = 1 / 0; + | ---------------^^^^^- + | | + | attempt to divide `1_i32` by zero + | + = note: requested on the command line with `--force-warn const-err` + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/lint/force-warn/allowed-deny-by-default-lint.stderr b/src/test/ui/lint/force-warn/allowed-deny-by-default-lint.stderr index 05656afd22d..dd71a168960 100644 --- a/src/test/ui/lint/force-warn/allowed-deny-by-default-lint.stderr +++ b/src/test/ui/lint/force-warn/allowed-deny-by-default-lint.stderr @@ -12,3 +12,16 @@ LL | const C: i32 = 1 / 0; warning: 1 warning emitted +Future incompatibility report: Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/allowed-deny-by-default-lint.rs:7:16 + | +LL | const C: i32 = 1 / 0; + | ---------------^^^^^- + | | + | attempt to divide `1_i32` by zero + | + = note: requested on the command line with `--force-warn const-err` + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/lint/force-warn/deny-by-default-lint.stderr b/src/test/ui/lint/force-warn/deny-by-default-lint.stderr index ef295f99e64..d4e80584669 100644 --- a/src/test/ui/lint/force-warn/deny-by-default-lint.stderr +++ b/src/test/ui/lint/force-warn/deny-by-default-lint.stderr @@ -12,3 +12,16 @@ LL | const C: i32 = 1 / 0; warning: 1 warning emitted +Future incompatibility report: Future breakage diagnostic: +warning: any use of this value will cause an error + --> $DIR/deny-by-default-lint.rs:5:16 + | +LL | const C: i32 = 1 / 0; + | ---------------^^^^^- + | | + | attempt to divide `1_i32` by zero + | + = note: requested on the command line with `--force-warn const-err` + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + diff --git a/src/test/ui/mir/issue-92893.rs b/src/test/ui/mir/issue-92893.rs index d2bbb4f1101..635050f376c 100644 --- a/src/test/ui/mir/issue-92893.rs +++ b/src/test/ui/mir/issue-92893.rs @@ -1,6 +1,7 @@ struct Bug<A = [(); (let a = (), 1).1]> { //~^ `let` expressions are not supported here - //~^^ `let` expressions in this position are unstable [E0658] + //~| `let` expressions in this position are unstable [E0658] + //~| expected expression, found `let` statement a: A } diff --git a/src/test/ui/mir/issue-92893.stderr b/src/test/ui/mir/issue-92893.stderr index 063b5d66feb..4a0fcce31d7 100644 --- a/src/test/ui/mir/issue-92893.stderr +++ b/src/test/ui/mir/issue-92893.stderr @@ -1,3 +1,9 @@ +error: expected expression, found `let` statement + --> $DIR/issue-92893.rs:1:22 + | +LL | struct Bug<A = [(); (let a = (), 1).1]> { + | ^^^ + error: `let` expressions are not supported here --> $DIR/issue-92893.rs:1:22 | @@ -15,6 +21,6 @@ LL | struct Bug<A = [(); (let a = (), 1).1]> { = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information = help: add `#![feature(let_chains)]` to the crate attributes to enable -error: aborting due to 2 previous errors +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0658`. diff --git a/src/test/ui/rfc-2294-if-let-guard/feature-gate.rs b/src/test/ui/rfc-2294-if-let-guard/feature-gate.rs index 4a36515b991..bb1aff70d89 100644 --- a/src/test/ui/rfc-2294-if-let-guard/feature-gate.rs +++ b/src/test/ui/rfc-2294-if-let-guard/feature-gate.rs @@ -58,8 +58,10 @@ fn _macros() { } use_expr!((let 0 = 1 && 0 == 0)); //~^ ERROR `let` expressions in this position are unstable + //~| ERROR expected expression, found `let` statement use_expr!((let 0 = 1)); //~^ ERROR `let` expressions in this position are unstable + //~| ERROR expected expression, found `let` statement match () { #[cfg(FALSE)] () if let 0 = 1 => {} diff --git a/src/test/ui/rfc-2294-if-let-guard/feature-gate.stderr b/src/test/ui/rfc-2294-if-let-guard/feature-gate.stderr index 8d93fb87f7a..370a57318fd 100644 --- a/src/test/ui/rfc-2294-if-let-guard/feature-gate.stderr +++ b/src/test/ui/rfc-2294-if-let-guard/feature-gate.stderr @@ -1,5 +1,17 @@ +error: expected expression, found `let` statement + --> $DIR/feature-gate.rs:59:16 + | +LL | use_expr!((let 0 = 1 && 0 == 0)); + | ^^^ + +error: expected expression, found `let` statement + --> $DIR/feature-gate.rs:62:16 + | +LL | use_expr!((let 0 = 1)); + | ^^^ + error: no rules expected the token `let` - --> $DIR/feature-gate.rs:69:15 + --> $DIR/feature-gate.rs:71:15 | LL | macro_rules! use_expr { | --------------------- when calling this macro @@ -58,7 +70,7 @@ LL | () if let Range { start: _, end: _ } = (true..true) && false => {} = help: you can write `if matches!(<expr>, <pattern>)` instead of `if let <pattern> = <expr>` error[E0658]: `if let` guards are experimental - --> $DIR/feature-gate.rs:65:12 + --> $DIR/feature-gate.rs:67:12 | LL | () if let 0 = 1 => {} | ^^^^^^^^^^^^ @@ -203,7 +215,7 @@ LL | use_expr!((let 0 = 1 && 0 == 0)); = help: add `#![feature(let_chains)]` to the crate attributes to enable error[E0658]: `let` expressions in this position are unstable - --> $DIR/feature-gate.rs:61:16 + --> $DIR/feature-gate.rs:62:16 | LL | use_expr!((let 0 = 1)); | ^^^^^^^^^ @@ -211,6 +223,6 @@ LL | use_expr!((let 0 = 1)); = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information = help: add `#![feature(let_chains)]` to the crate attributes to enable -error: aborting due to 23 previous errors +error: aborting due to 25 previous errors For more information about this error, try `rustc --explain E0658`. diff --git a/src/test/ui/rfc-2497-if-let-chains/disallowed-positions.rs b/src/test/ui/rfc-2497-if-let-chains/disallowed-positions.rs index 1bd8b74240e..36b730505c2 100644 --- a/src/test/ui/rfc-2497-if-let-chains/disallowed-positions.rs +++ b/src/test/ui/rfc-2497-if-let-chains/disallowed-positions.rs @@ -81,9 +81,11 @@ fn _macros() { use_expr!((let 0 = 1 && 0 == 0)); //~^ ERROR `let` expressions are not supported here //~| ERROR `let` expressions are not supported here + //~| ERROR expected expression, found `let` statement use_expr!((let 0 = 1)); //~^ ERROR `let` expressions are not supported here //~| ERROR `let` expressions are not supported here + //~| ERROR expected expression, found `let` statement } fn nested_within_if_expr() { @@ -147,7 +149,8 @@ fn nested_within_if_expr() { //~| ERROR mismatched types //~| ERROR mismatched types - if let true = let true = true {} //~ ERROR `let` expressions are not supported here + if let true = let true = true {} + //~^ ERROR `let` expressions are not supported here } fn nested_within_while_expr() { @@ -211,7 +214,8 @@ fn nested_within_while_expr() { //~| ERROR mismatched types //~| ERROR mismatched types - while let true = let true = true {} //~ ERROR `let` expressions are not supported here + while let true = let true = true {} + //~^ ERROR `let` expressions are not supported here } fn not_error_because_clarified_intent() { @@ -225,45 +229,85 @@ fn not_error_because_clarified_intent() { } fn outside_if_and_while_expr() { - &let 0 = 0; //~ ERROR `let` expressions are not supported here + &let 0 = 0; + //~^ ERROR `let` expressions are not supported here + //~| ERROR expected expression, found `let` statement - !let 0 = 0; //~ ERROR `let` expressions are not supported here - *let 0 = 0; //~ ERROR `let` expressions are not supported here - //~^ ERROR type `bool` cannot be dereferenced - -let 0 = 0; //~ ERROR `let` expressions are not supported here - //~^ ERROR cannot apply unary operator `-` to type `bool` + !let 0 = 0; + //~^ ERROR `let` expressions are not supported here + //~| ERROR expected expression, found `let` statement + *let 0 = 0; + //~^ ERROR `let` expressions are not supported here + //~| ERROR type `bool` cannot be dereferenced + //~| ERROR expected expression, found `let` statement + -let 0 = 0; + //~^ ERROR `let` expressions are not supported here + //~| ERROR cannot apply unary operator `-` to type `bool` + //~| ERROR expected expression, found `let` statement fn _check_try_binds_tighter() -> Result<(), ()> { let 0 = 0?; //~^ ERROR the `?` operator can only be applied to values that implement `Try` Ok(()) } - (let 0 = 0)?; //~ ERROR `let` expressions are not supported here - //~^ ERROR the `?` operator can only be used in a function that returns `Result` + (let 0 = 0)?; + //~^ ERROR `let` expressions are not supported here + //~| ERROR the `?` operator can only be used in a function that returns `Result` //~| ERROR the `?` operator can only be applied to values that implement `Try` + //~| ERROR expected expression, found `let` statement - true || let 0 = 0; //~ ERROR `let` expressions are not supported here - (true || let 0 = 0); //~ ERROR `let` expressions are not supported here - true && (true || let 0 = 0); //~ ERROR `let` expressions are not supported here + true || let 0 = 0; + //~^ ERROR `let` expressions are not supported here + //~| ERROR expected expression, found `let` statement + (true || let 0 = 0); + //~^ ERROR `let` expressions are not supported here + //~| ERROR expected expression, found `let` statement + true && (true || let 0 = 0); + //~^ ERROR `let` expressions are not supported here + //~| ERROR expected expression, found `let` statement let mut x = true; - x = let 0 = 0; //~ ERROR `let` expressions are not supported here + x = let 0 = 0; + //~^ ERROR `let` expressions are not supported here + //~| ERROR expected expression, found `let` statement - true..(let 0 = 0); //~ ERROR `let` expressions are not supported here - ..(let 0 = 0); //~ ERROR `let` expressions are not supported here - (let 0 = 0)..; //~ ERROR `let` expressions are not supported here + true..(let 0 = 0); + //~^ ERROR `let` expressions are not supported here + //~| ERROR expected expression, found `let` statement + ..(let 0 = 0); + //~^ ERROR `let` expressions are not supported here + //~| ERROR expected expression, found `let` statement + (let 0 = 0)..; + //~^ ERROR `let` expressions are not supported here + //~| ERROR expected expression, found `let` statement (let Range { start: _, end: _ } = true..true || false); //~^ ERROR `let` expressions are not supported here //~| ERROR mismatched types + //~| ERROR expected expression, found `let` statement (let true = let true = true); //~^ ERROR `let` expressions are not supported here + //~| ERROR expected expression, found `let` statement + //~| ERROR expected expression, found `let` statement + + { + #[cfg(FALSE)] + let x = true && let y = 1; + //~^ ERROR expected expression, found `let` statement + } + + #[cfg(FALSE)] + { + [1, 2, 3][let _ = ()] + //~^ ERROR expected expression, found `let` statement + } // Check function tail position. &let 0 = 0 //~^ ERROR `let` expressions are not supported here //~| ERROR mismatched types + //~| ERROR expected expression, found `let` statement } // Let's make sure that `let` inside const generic arguments are considered. @@ -335,4 +379,14 @@ fn with_parenthesis() { let fun = || true; if let true = (true && fun()) && (true) { } + + #[cfg(FALSE)] + let x = (true && let y = 1); + //~^ ERROR expected expression, found `let` statement + + #[cfg(FALSE)] + { + ([1, 2, 3][let _ = ()]) + //~^ ERROR expected expression, found `let` statement + } } diff --git a/src/test/ui/rfc-2497-if-let-chains/disallowed-positions.stderr b/src/test/ui/rfc-2497-if-let-chains/disallowed-positions.stderr index f7f39bd0b9a..5cf06cf4b27 100644 --- a/src/test/ui/rfc-2497-if-let-chains/disallowed-positions.stderr +++ b/src/test/ui/rfc-2497-if-let-chains/disallowed-positions.stderr @@ -1,5 +1,113 @@ +error: expected expression, found `let` statement + --> $DIR/disallowed-positions.rs:232:6 + | +LL | &let 0 = 0; + | ^^^ + +error: expected expression, found `let` statement + --> $DIR/disallowed-positions.rs:236:6 + | +LL | !let 0 = 0; + | ^^^ + +error: expected expression, found `let` statement + --> $DIR/disallowed-positions.rs:239:6 + | +LL | *let 0 = 0; + | ^^^ + +error: expected expression, found `let` statement + --> $DIR/disallowed-positions.rs:243:6 + | +LL | -let 0 = 0; + | ^^^ + +error: expected expression, found `let` statement + --> $DIR/disallowed-positions.rs:253:6 + | +LL | (let 0 = 0)?; + | ^^^ + +error: expected expression, found `let` statement + --> $DIR/disallowed-positions.rs:259:13 + | +LL | true || let 0 = 0; + | ^^^ + +error: expected expression, found `let` statement + --> $DIR/disallowed-positions.rs:262:14 + | +LL | (true || let 0 = 0); + | ^^^ + +error: expected expression, found `let` statement + --> $DIR/disallowed-positions.rs:265:22 + | +LL | true && (true || let 0 = 0); + | ^^^ + +error: expected expression, found `let` statement + --> $DIR/disallowed-positions.rs:270:9 + | +LL | x = let 0 = 0; + | ^^^ + +error: expected expression, found `let` statement + --> $DIR/disallowed-positions.rs:274:12 + | +LL | true..(let 0 = 0); + | ^^^ + +error: expected expression, found `let` statement + --> $DIR/disallowed-positions.rs:277:8 + | +LL | ..(let 0 = 0); + | ^^^ + +error: expected expression, found `let` statement + --> $DIR/disallowed-positions.rs:280:6 + | +LL | (let 0 = 0)..; + | ^^^ + +error: expected expression, found `let` statement + --> $DIR/disallowed-positions.rs:284:6 + | +LL | (let Range { start: _, end: _ } = true..true || false); + | ^^^ + +error: expected expression, found `let` statement + --> $DIR/disallowed-positions.rs:289:6 + | +LL | (let true = let true = true); + | ^^^ + +error: expected expression, found `let` statement + --> $DIR/disallowed-positions.rs:289:17 + | +LL | (let true = let true = true); + | ^^^ + +error: expected expression, found `let` statement + --> $DIR/disallowed-positions.rs:296:25 + | +LL | let x = true && let y = 1; + | ^^^ + +error: expected expression, found `let` statement + --> $DIR/disallowed-positions.rs:302:19 + | +LL | [1, 2, 3][let _ = ()] + | ^^^ + +error: expected expression, found `let` statement + --> $DIR/disallowed-positions.rs:307:6 + | +LL | &let 0 = 0 + | ^^^ + error: expressions must be enclosed in braces to be used as const generic arguments - --> $DIR/disallowed-positions.rs:293:9 + --> $DIR/disallowed-positions.rs:337:9 | LL | true && let 1 = 1 | ^^^^^^^^^^^^^^^^^ @@ -9,6 +117,30 @@ help: enclose the `const` expression in braces LL | { true && let 1 = 1 } | + + +error: expected expression, found `let` statement + --> $DIR/disallowed-positions.rs:384:22 + | +LL | let x = (true && let y = 1); + | ^^^ + +error: expected expression, found `let` statement + --> $DIR/disallowed-positions.rs:389:20 + | +LL | ([1, 2, 3][let _ = ()]) + | ^^^ + +error: expected expression, found `let` statement + --> $DIR/disallowed-positions.rs:81:16 + | +LL | use_expr!((let 0 = 1 && 0 == 0)); + | ^^^ + +error: expected expression, found `let` statement + --> $DIR/disallowed-positions.rs:85:16 + | +LL | use_expr!((let 0 = 1)); + | ^^^ + error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:29:9 | @@ -270,33 +402,33 @@ LL | use_expr!((let 0 = 1 && 0 == 0)); | ^^^^^^^^^^^^^^^^^^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:84:16 + --> $DIR/disallowed-positions.rs:85:16 | LL | use_expr!((let 0 = 1)); | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:84:16 + --> $DIR/disallowed-positions.rs:85:16 | LL | use_expr!((let 0 = 1)); | ^^^^^^^^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:84:16 + --> $DIR/disallowed-positions.rs:85:16 | LL | use_expr!((let 0 = 1)); | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:84:16 + --> $DIR/disallowed-positions.rs:85:16 | LL | use_expr!((let 0 = 1)); | ^^^^^^^^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:90:9 + --> $DIR/disallowed-positions.rs:92:9 | LL | if &let 0 = 0 {} | ^^^^^^^^^ @@ -304,7 +436,7 @@ LL | if &let 0 = 0 {} = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:93:9 + --> $DIR/disallowed-positions.rs:95:9 | LL | if !let 0 = 0 {} | ^^^^^^^^^ @@ -312,7 +444,7 @@ LL | if !let 0 = 0 {} = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:94:9 + --> $DIR/disallowed-positions.rs:96:9 | LL | if *let 0 = 0 {} | ^^^^^^^^^ @@ -320,7 +452,7 @@ LL | if *let 0 = 0 {} = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:96:9 + --> $DIR/disallowed-positions.rs:98:9 | LL | if -let 0 = 0 {} | ^^^^^^^^^ @@ -328,72 +460,72 @@ LL | if -let 0 = 0 {} = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:104:9 + --> $DIR/disallowed-positions.rs:106:9 | LL | if (let 0 = 0)? {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:104:9 + --> $DIR/disallowed-positions.rs:106:9 | LL | if (let 0 = 0)? {} | ^^^^^^^^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:108:16 + --> $DIR/disallowed-positions.rs:110:16 | LL | if true || let 0 = 0 {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `||` operators are not supported in let chain expressions - --> $DIR/disallowed-positions.rs:108:13 + --> $DIR/disallowed-positions.rs:110:13 | LL | if true || let 0 = 0 {} | ^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:109:17 + --> $DIR/disallowed-positions.rs:111:17 | LL | if (true || let 0 = 0) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `||` operators are not supported in let chain expressions - --> $DIR/disallowed-positions.rs:109:14 + --> $DIR/disallowed-positions.rs:111:14 | LL | if (true || let 0 = 0) {} | ^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:110:25 + --> $DIR/disallowed-positions.rs:112:25 | LL | if true && (true || let 0 = 0) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `||` operators are not supported in let chain expressions - --> $DIR/disallowed-positions.rs:110:22 + --> $DIR/disallowed-positions.rs:112:22 | LL | if true && (true || let 0 = 0) {} | ^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:111:25 + --> $DIR/disallowed-positions.rs:113:25 | LL | if true || (true && let 0 = 0) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:111:17 + --> $DIR/disallowed-positions.rs:113:17 | LL | if true || (true && let 0 = 0) {} | ^^^^^^^^^^^^^^^^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:114:12 + --> $DIR/disallowed-positions.rs:116:12 | LL | if x = let 0 = 0 {} | ^^^^^^^^^ @@ -401,46 +533,46 @@ LL | if x = let 0 = 0 {} = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:117:15 + --> $DIR/disallowed-positions.rs:119:15 | LL | if true..(let 0 = 0) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:117:15 + --> $DIR/disallowed-positions.rs:119:15 | LL | if true..(let 0 = 0) {} | ^^^^^^^^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:119:11 + --> $DIR/disallowed-positions.rs:121:11 | LL | if ..(let 0 = 0) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:119:11 + --> $DIR/disallowed-positions.rs:121:11 | LL | if ..(let 0 = 0) {} | ^^^^^^^^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:121:9 + --> $DIR/disallowed-positions.rs:123:9 | LL | if (let 0 = 0).. {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:121:9 + --> $DIR/disallowed-positions.rs:123:9 | LL | if (let 0 = 0).. {} | ^^^^^^^^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:125:8 + --> $DIR/disallowed-positions.rs:127:8 | LL | if let Range { start: _, end: _ } = true..true && false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -448,7 +580,7 @@ LL | if let Range { start: _, end: _ } = true..true && false {} = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:129:8 + --> $DIR/disallowed-positions.rs:131:8 | LL | if let Range { start: _, end: _ } = true..true || false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -456,7 +588,7 @@ LL | if let Range { start: _, end: _ } = true..true || false {} = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:136:8 + --> $DIR/disallowed-positions.rs:138:8 | LL | if let Range { start: F, end } = F..|| true {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -464,7 +596,7 @@ LL | if let Range { start: F, end } = F..|| true {} = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:144:8 + --> $DIR/disallowed-positions.rs:146:8 | LL | if let Range { start: true, end } = t..&&false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -472,7 +604,7 @@ LL | if let Range { start: true, end } = t..&&false {} = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:150:19 + --> $DIR/disallowed-positions.rs:152:19 | LL | if let true = let true = true {} | ^^^^^^^^^^^^^^^ @@ -480,7 +612,7 @@ LL | if let true = let true = true {} = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:154:12 + --> $DIR/disallowed-positions.rs:157:12 | LL | while &let 0 = 0 {} | ^^^^^^^^^ @@ -488,7 +620,7 @@ LL | while &let 0 = 0 {} = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:157:12 + --> $DIR/disallowed-positions.rs:160:12 | LL | while !let 0 = 0 {} | ^^^^^^^^^ @@ -496,7 +628,7 @@ LL | while !let 0 = 0 {} = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:158:12 + --> $DIR/disallowed-positions.rs:161:12 | LL | while *let 0 = 0 {} | ^^^^^^^^^ @@ -504,7 +636,7 @@ LL | while *let 0 = 0 {} = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:160:12 + --> $DIR/disallowed-positions.rs:163:12 | LL | while -let 0 = 0 {} | ^^^^^^^^^ @@ -512,72 +644,72 @@ LL | while -let 0 = 0 {} = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:168:12 + --> $DIR/disallowed-positions.rs:171:12 | LL | while (let 0 = 0)? {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:168:12 + --> $DIR/disallowed-positions.rs:171:12 | LL | while (let 0 = 0)? {} | ^^^^^^^^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:172:19 + --> $DIR/disallowed-positions.rs:175:19 | LL | while true || let 0 = 0 {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `||` operators are not supported in let chain expressions - --> $DIR/disallowed-positions.rs:172:16 + --> $DIR/disallowed-positions.rs:175:16 | LL | while true || let 0 = 0 {} | ^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:173:20 + --> $DIR/disallowed-positions.rs:176:20 | LL | while (true || let 0 = 0) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `||` operators are not supported in let chain expressions - --> $DIR/disallowed-positions.rs:173:17 + --> $DIR/disallowed-positions.rs:176:17 | LL | while (true || let 0 = 0) {} | ^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:174:28 + --> $DIR/disallowed-positions.rs:177:28 | LL | while true && (true || let 0 = 0) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `||` operators are not supported in let chain expressions - --> $DIR/disallowed-positions.rs:174:25 + --> $DIR/disallowed-positions.rs:177:25 | LL | while true && (true || let 0 = 0) {} | ^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:175:28 + --> $DIR/disallowed-positions.rs:178:28 | LL | while true || (true && let 0 = 0) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:175:20 + --> $DIR/disallowed-positions.rs:178:20 | LL | while true || (true && let 0 = 0) {} | ^^^^^^^^^^^^^^^^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:178:15 + --> $DIR/disallowed-positions.rs:181:15 | LL | while x = let 0 = 0 {} | ^^^^^^^^^ @@ -585,46 +717,46 @@ LL | while x = let 0 = 0 {} = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:181:18 + --> $DIR/disallowed-positions.rs:184:18 | LL | while true..(let 0 = 0) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:181:18 + --> $DIR/disallowed-positions.rs:184:18 | LL | while true..(let 0 = 0) {} | ^^^^^^^^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:183:14 + --> $DIR/disallowed-positions.rs:186:14 | LL | while ..(let 0 = 0) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:183:14 + --> $DIR/disallowed-positions.rs:186:14 | LL | while ..(let 0 = 0) {} | ^^^^^^^^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:185:12 + --> $DIR/disallowed-positions.rs:188:12 | LL | while (let 0 = 0).. {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:185:12 + --> $DIR/disallowed-positions.rs:188:12 | LL | while (let 0 = 0).. {} | ^^^^^^^^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:189:11 + --> $DIR/disallowed-positions.rs:192:11 | LL | while let Range { start: _, end: _ } = true..true && false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -632,7 +764,7 @@ LL | while let Range { start: _, end: _ } = true..true && false {} = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:193:11 + --> $DIR/disallowed-positions.rs:196:11 | LL | while let Range { start: _, end: _ } = true..true || false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -640,7 +772,7 @@ LL | while let Range { start: _, end: _ } = true..true || false {} = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:200:11 + --> $DIR/disallowed-positions.rs:203:11 | LL | while let Range { start: F, end } = F..|| true {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -648,7 +780,7 @@ LL | while let Range { start: F, end } = F..|| true {} = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:208:11 + --> $DIR/disallowed-positions.rs:211:11 | LL | while let Range { start: true, end } = t..&&false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -656,7 +788,7 @@ LL | while let Range { start: true, end } = t..&&false {} = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:214:22 + --> $DIR/disallowed-positions.rs:217:22 | LL | while let true = let true = true {} | ^^^^^^^^^^^^^^^ @@ -664,7 +796,7 @@ LL | while let true = let true = true {} = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:228:6 + --> $DIR/disallowed-positions.rs:232:6 | LL | &let 0 = 0; | ^^^^^^^^^ @@ -672,7 +804,7 @@ LL | &let 0 = 0; = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:230:6 + --> $DIR/disallowed-positions.rs:236:6 | LL | !let 0 = 0; | ^^^^^^^^^ @@ -680,7 +812,7 @@ LL | !let 0 = 0; = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:231:6 + --> $DIR/disallowed-positions.rs:239:6 | LL | *let 0 = 0; | ^^^^^^^^^ @@ -688,7 +820,7 @@ LL | *let 0 = 0; = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:233:6 + --> $DIR/disallowed-positions.rs:243:6 | LL | -let 0 = 0; | ^^^^^^^^^ @@ -696,59 +828,59 @@ LL | -let 0 = 0; = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:241:6 + --> $DIR/disallowed-positions.rs:253:6 | LL | (let 0 = 0)?; | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:241:6 + --> $DIR/disallowed-positions.rs:253:6 | LL | (let 0 = 0)?; | ^^^^^^^^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:245:13 + --> $DIR/disallowed-positions.rs:259:13 | LL | true || let 0 = 0; | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `||` operators are not supported in let chain expressions - --> $DIR/disallowed-positions.rs:245:10 + --> $DIR/disallowed-positions.rs:259:10 | LL | true || let 0 = 0; | ^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:246:14 + --> $DIR/disallowed-positions.rs:262:14 | LL | (true || let 0 = 0); | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `||` operators are not supported in let chain expressions - --> $DIR/disallowed-positions.rs:246:11 + --> $DIR/disallowed-positions.rs:262:11 | LL | (true || let 0 = 0); | ^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:247:22 + --> $DIR/disallowed-positions.rs:265:22 | LL | true && (true || let 0 = 0); | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `||` operators are not supported in let chain expressions - --> $DIR/disallowed-positions.rs:247:19 + --> $DIR/disallowed-positions.rs:265:19 | LL | true && (true || let 0 = 0); | ^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:250:9 + --> $DIR/disallowed-positions.rs:270:9 | LL | x = let 0 = 0; | ^^^^^^^^^ @@ -756,46 +888,46 @@ LL | x = let 0 = 0; = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:252:12 + --> $DIR/disallowed-positions.rs:274:12 | LL | true..(let 0 = 0); | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:252:12 + --> $DIR/disallowed-positions.rs:274:12 | LL | true..(let 0 = 0); | ^^^^^^^^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:253:8 + --> $DIR/disallowed-positions.rs:277:8 | LL | ..(let 0 = 0); | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:253:8 + --> $DIR/disallowed-positions.rs:277:8 | LL | ..(let 0 = 0); | ^^^^^^^^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:254:6 + --> $DIR/disallowed-positions.rs:280:6 | LL | (let 0 = 0)..; | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:254:6 + --> $DIR/disallowed-positions.rs:280:6 | LL | (let 0 = 0)..; | ^^^^^^^^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:256:6 + --> $DIR/disallowed-positions.rs:284:6 | LL | (let Range { start: _, end: _ } = true..true || false); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -803,20 +935,20 @@ LL | (let Range { start: _, end: _ } = true..true || false); = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:260:6 + --> $DIR/disallowed-positions.rs:289:6 | LL | (let true = let true = true); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:260:6 + --> $DIR/disallowed-positions.rs:289:6 | LL | (let true = let true = true); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:264:6 + --> $DIR/disallowed-positions.rs:307:6 | LL | &let 0 = 0 | ^^^^^^^^^ @@ -824,7 +956,7 @@ LL | &let 0 = 0 = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:275:17 + --> $DIR/disallowed-positions.rs:319:17 | LL | true && let 1 = 1 | ^^^^^^^^^ @@ -832,7 +964,7 @@ LL | true && let 1 = 1 = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:279:17 + --> $DIR/disallowed-positions.rs:323:17 | LL | true && let 1 = 1 | ^^^^^^^^^ @@ -840,7 +972,7 @@ LL | true && let 1 = 1 = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:283:17 + --> $DIR/disallowed-positions.rs:327:17 | LL | true && let 1 = 1 | ^^^^^^^^^ @@ -848,7 +980,7 @@ LL | true && let 1 = 1 = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:293:17 + --> $DIR/disallowed-positions.rs:337:17 | LL | true && let 1 = 1 | ^^^^^^^^^ @@ -856,124 +988,124 @@ LL | true && let 1 = 1 = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:302:9 + --> $DIR/disallowed-positions.rs:346:9 | LL | if (let Some(a) = opt && true) { | ^^^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:302:9 + --> $DIR/disallowed-positions.rs:346:9 | LL | if (let Some(a) = opt && true) { | ^^^^^^^^^^^^^^^^^^^^^^^^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:306:9 + --> $DIR/disallowed-positions.rs:350:9 | LL | if (let Some(a) = opt) && true { | ^^^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:306:9 + --> $DIR/disallowed-positions.rs:350:9 | LL | if (let Some(a) = opt) && true { | ^^^^^^^^^^^^^^^^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:309:9 + --> $DIR/disallowed-positions.rs:353:9 | LL | if (let Some(a) = opt) && (let Some(b) = a) { | ^^^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:309:9 + --> $DIR/disallowed-positions.rs:353:9 | LL | if (let Some(a) = opt) && (let Some(b) = a) { | ^^^^^^^^^^^^^^^^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:309:32 + --> $DIR/disallowed-positions.rs:353:32 | LL | if (let Some(a) = opt) && (let Some(b) = a) { | ^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:309:32 + --> $DIR/disallowed-positions.rs:353:32 | LL | if (let Some(a) = opt) && (let Some(b) = a) { | ^^^^^^^^^^^^^^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:316:9 + --> $DIR/disallowed-positions.rs:360:9 | LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 { | ^^^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:316:9 + --> $DIR/disallowed-positions.rs:360:9 | LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:316:31 + --> $DIR/disallowed-positions.rs:360:31 | LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 { | ^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:316:31 + --> $DIR/disallowed-positions.rs:360:31 | LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 { | ^^^^^^^^^^^^^^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:320:9 + --> $DIR/disallowed-positions.rs:364:9 | LL | if (let Some(a) = opt && (let Some(b) = a)) && true { | ^^^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:320:9 + --> $DIR/disallowed-positions.rs:364:9 | LL | if (let Some(a) = opt && (let Some(b) = a)) && true { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:320:31 + --> $DIR/disallowed-positions.rs:364:31 | LL | if (let Some(a) = opt && (let Some(b) = a)) && true { | ^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:320:31 + --> $DIR/disallowed-positions.rs:364:31 | LL | if (let Some(a) = opt && (let Some(b) = a)) && true { | ^^^^^^^^^^^^^^^ error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:324:9 + --> $DIR/disallowed-positions.rs:368:9 | LL | if (let Some(a) = opt && (true)) && true { | ^^^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:324:9 + --> $DIR/disallowed-positions.rs:368:9 | LL | if (let Some(a) = opt && (true)) && true { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:90:8 + --> $DIR/disallowed-positions.rs:92:8 | LL | if &let 0 = 0 {} | ^^^^^^^^^^ expected `bool`, found `&bool` @@ -985,19 +1117,19 @@ LL + if let 0 = 0 {} | error[E0614]: type `bool` cannot be dereferenced - --> $DIR/disallowed-positions.rs:94:8 + --> $DIR/disallowed-positions.rs:96:8 | LL | if *let 0 = 0 {} | ^^^^^^^^^^ error[E0600]: cannot apply unary operator `-` to type `bool` - --> $DIR/disallowed-positions.rs:96:8 + --> $DIR/disallowed-positions.rs:98:8 | LL | if -let 0 = 0 {} | ^^^^^^^^^^ cannot apply unary operator `-` error[E0277]: the `?` operator can only be applied to values that implement `Try` - --> $DIR/disallowed-positions.rs:104:8 + --> $DIR/disallowed-positions.rs:106:8 | LL | if (let 0 = 0)? {} | ^^^^^^^^^^^^ the `?` operator cannot be applied to type `bool` @@ -1005,7 +1137,7 @@ LL | if (let 0 = 0)? {} = help: the trait `Try` is not implemented for `bool` error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) - --> $DIR/disallowed-positions.rs:104:19 + --> $DIR/disallowed-positions.rs:106:19 | LL | / fn nested_within_if_expr() { LL | | if &let 0 = 0 {} @@ -1015,14 +1147,14 @@ LL | | LL | | if (let 0 = 0)? {} | | ^ cannot use the `?` operator in a function that returns `()` ... | -LL | | if let true = let true = true {} +LL | | LL | | } | |_- this function should return `Result` or `Option` to accept `?` | = help: the trait `FromResidual<_>` is not implemented for `()` error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:114:8 + --> $DIR/disallowed-positions.rs:116:8 | LL | if x = let 0 = 0 {} | ^^^^^^^^^^^^^ expected `bool`, found `()` @@ -1033,7 +1165,7 @@ LL | if x == let 0 = 0 {} | ~~ error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:117:8 + --> $DIR/disallowed-positions.rs:119:8 | LL | if true..(let 0 = 0) {} | ^^^^^^^^^^^^^^^^^ expected `bool`, found struct `std::ops::Range` @@ -1042,7 +1174,7 @@ LL | if true..(let 0 = 0) {} found struct `std::ops::Range<bool>` error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:119:8 + --> $DIR/disallowed-positions.rs:121:8 | LL | if ..(let 0 = 0) {} | ^^^^^^^^^^^^^ expected `bool`, found struct `RangeTo` @@ -1051,7 +1183,7 @@ LL | if ..(let 0 = 0) {} found struct `RangeTo<bool>` error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:121:8 + --> $DIR/disallowed-positions.rs:123:8 | LL | if (let 0 = 0).. {} | ^^^^^^^^^^^^^ expected `bool`, found struct `RangeFrom` @@ -1060,7 +1192,7 @@ LL | if (let 0 = 0).. {} found struct `RangeFrom<bool>` error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:125:12 + --> $DIR/disallowed-positions.rs:127:12 | LL | if let Range { start: _, end: _ } = true..true && false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool` @@ -1071,7 +1203,7 @@ LL | if let Range { start: _, end: _ } = true..true && false {} found struct `std::ops::Range<_>` error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:125:8 + --> $DIR/disallowed-positions.rs:127:8 | LL | if let Range { start: _, end: _ } = true..true && false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found struct `std::ops::Range` @@ -1080,7 +1212,7 @@ LL | if let Range { start: _, end: _ } = true..true && false {} found struct `std::ops::Range<bool>` error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:129:12 + --> $DIR/disallowed-positions.rs:131:12 | LL | if let Range { start: _, end: _ } = true..true || false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool` @@ -1091,7 +1223,7 @@ LL | if let Range { start: _, end: _ } = true..true || false {} found struct `std::ops::Range<_>` error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:129:8 + --> $DIR/disallowed-positions.rs:131:8 | LL | if let Range { start: _, end: _ } = true..true || false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found struct `std::ops::Range` @@ -1100,7 +1232,7 @@ LL | if let Range { start: _, end: _ } = true..true || false {} found struct `std::ops::Range<bool>` error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:136:12 + --> $DIR/disallowed-positions.rs:138:12 | LL | if let Range { start: F, end } = F..|| true {} | ^^^^^^^^^^^^^^^^^^^^^^^ - this expression has type `fn() -> bool` @@ -1111,20 +1243,20 @@ LL | if let Range { start: F, end } = F..|| true {} found struct `std::ops::Range<_>` error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:136:41 + --> $DIR/disallowed-positions.rs:138:41 | LL | if let Range { start: F, end } = F..|| true {} | ^^^^^^^ expected `bool`, found closure | = note: expected type `bool` - found closure `[closure@$DIR/disallowed-positions.rs:136:41: 136:48]` + found closure `[closure@$DIR/disallowed-positions.rs:138:41: 138:48]` help: use parentheses to call this closure | LL | if let Range { start: F, end } = F..(|| true)() {} | + +++ error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:136:8 + --> $DIR/disallowed-positions.rs:138:8 | LL | if let Range { start: F, end } = F..|| true {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found struct `std::ops::Range` @@ -1133,7 +1265,7 @@ LL | if let Range { start: F, end } = F..|| true {} found struct `std::ops::Range<bool>` error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:144:12 + --> $DIR/disallowed-positions.rs:146:12 | LL | if let Range { start: true, end } = t..&&false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^ - this expression has type `&&bool` @@ -1144,7 +1276,7 @@ LL | if let Range { start: true, end } = t..&&false {} found struct `std::ops::Range<_>` error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:144:44 + --> $DIR/disallowed-positions.rs:146:44 | LL | if let Range { start: true, end } = t..&&false {} | ^^^^^^^ expected `bool`, found `&&bool` @@ -1156,7 +1288,7 @@ LL + if let Range { start: true, end } = t..false {} | error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:144:8 + --> $DIR/disallowed-positions.rs:146:8 | LL | if let Range { start: true, end } = t..&&false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found struct `std::ops::Range` @@ -1165,7 +1297,7 @@ LL | if let Range { start: true, end } = t..&&false {} found struct `std::ops::Range<bool>` error[E0277]: the `?` operator can only be applied to values that implement `Try` - --> $DIR/disallowed-positions.rs:100:20 + --> $DIR/disallowed-positions.rs:102:20 | LL | if let 0 = 0? {} | ^^ the `?` operator cannot be applied to type `{integer}` @@ -1173,7 +1305,7 @@ LL | if let 0 = 0? {} = help: the trait `Try` is not implemented for `{integer}` error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:154:11 + --> $DIR/disallowed-positions.rs:157:11 | LL | while &let 0 = 0 {} | ^^^^^^^^^^ expected `bool`, found `&bool` @@ -1185,19 +1317,19 @@ LL + while let 0 = 0 {} | error[E0614]: type `bool` cannot be dereferenced - --> $DIR/disallowed-positions.rs:158:11 + --> $DIR/disallowed-positions.rs:161:11 | LL | while *let 0 = 0 {} | ^^^^^^^^^^ error[E0600]: cannot apply unary operator `-` to type `bool` - --> $DIR/disallowed-positions.rs:160:11 + --> $DIR/disallowed-positions.rs:163:11 | LL | while -let 0 = 0 {} | ^^^^^^^^^^ cannot apply unary operator `-` error[E0277]: the `?` operator can only be applied to values that implement `Try` - --> $DIR/disallowed-positions.rs:168:11 + --> $DIR/disallowed-positions.rs:171:11 | LL | while (let 0 = 0)? {} | ^^^^^^^^^^^^ the `?` operator cannot be applied to type `bool` @@ -1205,7 +1337,7 @@ LL | while (let 0 = 0)? {} = help: the trait `Try` is not implemented for `bool` error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) - --> $DIR/disallowed-positions.rs:168:22 + --> $DIR/disallowed-positions.rs:171:22 | LL | / fn nested_within_while_expr() { LL | | while &let 0 = 0 {} @@ -1215,14 +1347,14 @@ LL | | LL | | while (let 0 = 0)? {} | | ^ cannot use the `?` operator in a function that returns `()` ... | -LL | | while let true = let true = true {} +LL | | LL | | } | |_- this function should return `Result` or `Option` to accept `?` | = help: the trait `FromResidual<_>` is not implemented for `()` error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:178:11 + --> $DIR/disallowed-positions.rs:181:11 | LL | while x = let 0 = 0 {} | ^^^^^^^^^^^^^ expected `bool`, found `()` @@ -1233,7 +1365,7 @@ LL | while x == let 0 = 0 {} | ~~ error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:181:11 + --> $DIR/disallowed-positions.rs:184:11 | LL | while true..(let 0 = 0) {} | ^^^^^^^^^^^^^^^^^ expected `bool`, found struct `std::ops::Range` @@ -1242,7 +1374,7 @@ LL | while true..(let 0 = 0) {} found struct `std::ops::Range<bool>` error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:183:11 + --> $DIR/disallowed-positions.rs:186:11 | LL | while ..(let 0 = 0) {} | ^^^^^^^^^^^^^ expected `bool`, found struct `RangeTo` @@ -1251,7 +1383,7 @@ LL | while ..(let 0 = 0) {} found struct `RangeTo<bool>` error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:185:11 + --> $DIR/disallowed-positions.rs:188:11 | LL | while (let 0 = 0).. {} | ^^^^^^^^^^^^^ expected `bool`, found struct `RangeFrom` @@ -1260,7 +1392,7 @@ LL | while (let 0 = 0).. {} found struct `RangeFrom<bool>` error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:189:15 + --> $DIR/disallowed-positions.rs:192:15 | LL | while let Range { start: _, end: _ } = true..true && false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool` @@ -1271,7 +1403,7 @@ LL | while let Range { start: _, end: _ } = true..true && false {} found struct `std::ops::Range<_>` error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:189:11 + --> $DIR/disallowed-positions.rs:192:11 | LL | while let Range { start: _, end: _ } = true..true && false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found struct `std::ops::Range` @@ -1280,7 +1412,7 @@ LL | while let Range { start: _, end: _ } = true..true && false {} found struct `std::ops::Range<bool>` error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:193:15 + --> $DIR/disallowed-positions.rs:196:15 | LL | while let Range { start: _, end: _ } = true..true || false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool` @@ -1291,7 +1423,7 @@ LL | while let Range { start: _, end: _ } = true..true || false {} found struct `std::ops::Range<_>` error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:193:11 + --> $DIR/disallowed-positions.rs:196:11 | LL | while let Range { start: _, end: _ } = true..true || false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found struct `std::ops::Range` @@ -1300,7 +1432,7 @@ LL | while let Range { start: _, end: _ } = true..true || false {} found struct `std::ops::Range<bool>` error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:200:15 + --> $DIR/disallowed-positions.rs:203:15 | LL | while let Range { start: F, end } = F..|| true {} | ^^^^^^^^^^^^^^^^^^^^^^^ - this expression has type `fn() -> bool` @@ -1311,20 +1443,20 @@ LL | while let Range { start: F, end } = F..|| true {} found struct `std::ops::Range<_>` error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:200:44 + --> $DIR/disallowed-positions.rs:203:44 | LL | while let Range { start: F, end } = F..|| true {} | ^^^^^^^ expected `bool`, found closure | = note: expected type `bool` - found closure `[closure@$DIR/disallowed-positions.rs:200:44: 200:51]` + found closure `[closure@$DIR/disallowed-positions.rs:203:44: 203:51]` help: use parentheses to call this closure | LL | while let Range { start: F, end } = F..(|| true)() {} | + +++ error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:200:11 + --> $DIR/disallowed-positions.rs:203:11 | LL | while let Range { start: F, end } = F..|| true {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found struct `std::ops::Range` @@ -1333,7 +1465,7 @@ LL | while let Range { start: F, end } = F..|| true {} found struct `std::ops::Range<bool>` error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:208:15 + --> $DIR/disallowed-positions.rs:211:15 | LL | while let Range { start: true, end } = t..&&false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^ - this expression has type `&&bool` @@ -1344,7 +1476,7 @@ LL | while let Range { start: true, end } = t..&&false {} found struct `std::ops::Range<_>` error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:208:47 + --> $DIR/disallowed-positions.rs:211:47 | LL | while let Range { start: true, end } = t..&&false {} | ^^^^^^^ expected `bool`, found `&&bool` @@ -1356,7 +1488,7 @@ LL + while let Range { start: true, end } = t..false {} | error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:208:11 + --> $DIR/disallowed-positions.rs:211:11 | LL | while let Range { start: true, end } = t..&&false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found struct `std::ops::Range` @@ -1365,7 +1497,7 @@ LL | while let Range { start: true, end } = t..&&false {} found struct `std::ops::Range<bool>` error[E0277]: the `?` operator can only be applied to values that implement `Try` - --> $DIR/disallowed-positions.rs:164:23 + --> $DIR/disallowed-positions.rs:167:23 | LL | while let 0 = 0? {} | ^^ the `?` operator cannot be applied to type `{integer}` @@ -1373,19 +1505,19 @@ LL | while let 0 = 0? {} = help: the trait `Try` is not implemented for `{integer}` error[E0614]: type `bool` cannot be dereferenced - --> $DIR/disallowed-positions.rs:231:5 + --> $DIR/disallowed-positions.rs:239:5 | LL | *let 0 = 0; | ^^^^^^^^^^ error[E0600]: cannot apply unary operator `-` to type `bool` - --> $DIR/disallowed-positions.rs:233:5 + --> $DIR/disallowed-positions.rs:243:5 | LL | -let 0 = 0; | ^^^^^^^^^^ cannot apply unary operator `-` error[E0277]: the `?` operator can only be applied to values that implement `Try` - --> $DIR/disallowed-positions.rs:241:5 + --> $DIR/disallowed-positions.rs:253:5 | LL | (let 0 = 0)?; | ^^^^^^^^^^^^ the `?` operator cannot be applied to type `bool` @@ -1393,12 +1525,12 @@ LL | (let 0 = 0)?; = help: the trait `Try` is not implemented for `bool` error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) - --> $DIR/disallowed-positions.rs:241:16 + --> $DIR/disallowed-positions.rs:253:16 | LL | / fn outside_if_and_while_expr() { LL | | &let 0 = 0; LL | | -LL | | !let 0 = 0; +LL | | ... | LL | | (let 0 = 0)?; | | ^ cannot use the `?` operator in a function that returns `()` @@ -1410,7 +1542,7 @@ LL | | } = help: the trait `FromResidual<_>` is not implemented for `()` error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:256:10 + --> $DIR/disallowed-positions.rs:284:10 | LL | (let Range { start: _, end: _ } = true..true || false); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool` @@ -1421,7 +1553,7 @@ LL | (let Range { start: _, end: _ } = true..true || false); found struct `std::ops::Range<_>` error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:264:5 + --> $DIR/disallowed-positions.rs:307:5 | LL | fn outside_if_and_while_expr() { | - help: try adding a return type: `-> &bool` @@ -1430,14 +1562,14 @@ LL | &let 0 = 0 | ^^^^^^^^^^ expected `()`, found `&bool` error[E0277]: the `?` operator can only be applied to values that implement `Try` - --> $DIR/disallowed-positions.rs:237:17 + --> $DIR/disallowed-positions.rs:249:17 | LL | let 0 = 0?; | ^^ the `?` operator cannot be applied to type `{integer}` | = help: the trait `Try` is not implemented for `{integer}` -error: aborting due to 134 previous errors +error: aborting due to 156 previous errors Some errors have detailed explanations: E0277, E0308, E0600, E0614. For more information about an error, try `rustc --explain E0277`. diff --git a/src/test/ui/rfc-2497-if-let-chains/ensure-that-let-else-does-not-interact-with-let-chains.rs b/src/test/ui/rfc-2497-if-let-chains/ensure-that-let-else-does-not-interact-with-let-chains.rs index e66caa19ec9..12befc637c7 100644 --- a/src/test/ui/rfc-2497-if-let-chains/ensure-that-let-else-does-not-interact-with-let-chains.rs +++ b/src/test/ui/rfc-2497-if-let-chains/ensure-that-let-else-does-not-interact-with-let-chains.rs @@ -17,6 +17,7 @@ fn main() { //~| ERROR `let` expressions are not supported here //~| ERROR mismatched types //~| ERROR mismatched types + //~| ERROR expected expression, found `let` statement return; }; diff --git a/src/test/ui/rfc-2497-if-let-chains/ensure-that-let-else-does-not-interact-with-let-chains.stderr b/src/test/ui/rfc-2497-if-let-chains/ensure-that-let-else-does-not-interact-with-let-chains.stderr index eea8ed0c963..498a112fa9b 100644 --- a/src/test/ui/rfc-2497-if-let-chains/ensure-that-let-else-does-not-interact-with-let-chains.stderr +++ b/src/test/ui/rfc-2497-if-let-chains/ensure-that-let-else-does-not-interact-with-let-chains.stderr @@ -9,6 +9,12 @@ help: wrap the expression in parentheses LL | let Some(n) = (opt && n == 1) else { | + + +error: expected expression, found `let` statement + --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:15:26 + | +LL | let Some(n) = opt && let another = n else { + | ^^^ + error: a `&&` expression cannot be directly assigned in `let...else` --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:15:19 | @@ -21,43 +27,43 @@ LL | let Some(n) = (opt && let another = n) else { | + + error: this `if` expression is missing a block after the condition - --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:23:5 + --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:24:5 | LL | if let Some(n) = opt else { | ^^ | help: add a block here - --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:23:25 + --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:24:25 | LL | if let Some(n) = opt else { | ^ error: this `if` expression is missing a block after the condition - --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:27:5 + --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:28:5 | LL | if let Some(n) = opt && n == 1 else { | ^^ | help: add a block here - --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:27:35 + --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:28:35 | LL | if let Some(n) = opt && n == 1 else { | ^ error: this `if` expression is missing a block after the condition - --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:31:5 + --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:32:5 | LL | if let Some(n) = opt && let another = n else { | ^^ | help: add a block here - --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:31:44 + --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:32:44 | LL | if let Some(n) = opt && let another = n else { | ^ error: expected `{`, found keyword `else` - --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:37:33 + --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:38:33 | LL | while let Some(n) = opt else { | ----- ----------------- ^^^^ expected `{` @@ -66,7 +72,7 @@ LL | while let Some(n) = opt else { | while parsing the body of this `while` expression error: expected `{`, found keyword `else` - --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:43:43 + --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:44:43 | LL | while let Some(n) = opt && n == 1 else { | ----- --------------------------- ^^^^ expected `{` @@ -75,7 +81,7 @@ LL | while let Some(n) = opt && n == 1 else { | while parsing the body of this `while` expression error: expected `{`, found keyword `else` - --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:49:52 + --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:50:52 | LL | while let Some(n) = opt && let another = n else { | ----- ------------------------------------ ^^^^ expected `{` @@ -131,6 +137,6 @@ LL | let Some(n) = opt && let another = n else { = note: expected type `bool` found enum `Option<_>` -error: aborting due to 13 previous errors +error: aborting due to 14 previous errors For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/rfc-2497-if-let-chains/feature-gate.rs b/src/test/ui/rfc-2497-if-let-chains/feature-gate.rs index ac60bc7e57f..87718211308 100644 --- a/src/test/ui/rfc-2497-if-let-chains/feature-gate.rs +++ b/src/test/ui/rfc-2497-if-let-chains/feature-gate.rs @@ -39,6 +39,7 @@ fn _macros() { noop_expr!((let 0 = 1)); //~^ ERROR `let` expressions in this position are unstable [E0658] + //~| ERROR expected expression, found `let` statement macro_rules! use_expr { ($e:expr) => { @@ -48,9 +49,9 @@ fn _macros() { } #[cfg(FALSE)] (let 0 = 1); //~^ ERROR `let` expressions in this position are unstable [E0658] + //~| ERROR expected expression, found `let` statement use_expr!(let 0 = 1); //~^ ERROR no rules expected the token `let` - // ^--- FIXME(53667): Consider whether `Let` can be added to `ident_can_begin_expr`. } fn main() {} diff --git a/src/test/ui/rfc-2497-if-let-chains/feature-gate.stderr b/src/test/ui/rfc-2497-if-let-chains/feature-gate.stderr index 1eabee47c64..bcea8bbaa73 100644 --- a/src/test/ui/rfc-2497-if-let-chains/feature-gate.stderr +++ b/src/test/ui/rfc-2497-if-let-chains/feature-gate.stderr @@ -1,5 +1,17 @@ +error: expected expression, found `let` statement + --> $DIR/feature-gate.rs:50:20 + | +LL | #[cfg(FALSE)] (let 0 = 1); + | ^^^ + +error: expected expression, found `let` statement + --> $DIR/feature-gate.rs:40:17 + | +LL | noop_expr!((let 0 = 1)); + | ^^^ + error: no rules expected the token `let` - --> $DIR/feature-gate.rs:51:15 + --> $DIR/feature-gate.rs:53:15 | LL | macro_rules! use_expr { | --------------------- when calling this macro @@ -62,7 +74,7 @@ LL | while let Range { start: _, end: _ } = (true..true) && false {} = help: add `#![feature(let_chains)]` to the crate attributes to enable error[E0658]: `let` expressions in this position are unstable - --> $DIR/feature-gate.rs:49:20 + --> $DIR/feature-gate.rs:50:20 | LL | #[cfg(FALSE)] (let 0 = 1); | ^^^^^^^^^ @@ -79,6 +91,6 @@ LL | noop_expr!((let 0 = 1)); = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information = help: add `#![feature(let_chains)]` to the crate attributes to enable -error: aborting due to 9 previous errors +error: aborting due to 11 previous errors For more information about this error, try `rustc --explain E0658`. diff --git a/src/test/ui/rfc-2497-if-let-chains/invalid-let-in-a-valid-let-context.rs b/src/test/ui/rfc-2497-if-let-chains/invalid-let-in-a-valid-let-context.rs new file mode 100644 index 00000000000..6cc53a1935b --- /dev/null +++ b/src/test/ui/rfc-2497-if-let-chains/invalid-let-in-a-valid-let-context.rs @@ -0,0 +1,17 @@ +// check-pass +// known-bug + +#![feature(let_chains)] + +fn main() { + let _opt = Some(1i32); + + #[cfg(FALSE)] + { + if let Some(elem) = _opt && { + [1, 2, 3][let _ = ()]; + true + } { + } + } +} diff --git a/src/test/ui/traits/issue-87558.rs b/src/test/ui/traits/issue-87558.rs new file mode 100644 index 00000000000..c5d86bd637b --- /dev/null +++ b/src/test/ui/traits/issue-87558.rs @@ -0,0 +1,9 @@ +struct ErrorKind; +struct Error(ErrorKind); +impl Fn(&isize) for Error { + //~^ ERROR manual implementations of `Fn` are experimental + //~| ERROR associated type bindings are not allowed here + fn from() {} //~ ERROR method `from` is not a member of trait `Fn` +} + +fn main() {} diff --git a/src/test/ui/traits/issue-87558.stderr b/src/test/ui/traits/issue-87558.stderr new file mode 100644 index 00000000000..494274d8c30 --- /dev/null +++ b/src/test/ui/traits/issue-87558.stderr @@ -0,0 +1,24 @@ +error[E0407]: method `from` is not a member of trait `Fn` + --> $DIR/issue-87558.rs:6:5 + | +LL | fn from() {} + | ^^^^^^^^^^^^ not a member of trait `Fn` + +error[E0183]: manual implementations of `Fn` are experimental + --> $DIR/issue-87558.rs:3:6 + | +LL | impl Fn(&isize) for Error { + | ^^^^^^^^^^ manual implementations of `Fn` are experimental + | + = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable + +error[E0229]: associated type bindings are not allowed here + --> $DIR/issue-87558.rs:3:6 + | +LL | impl Fn(&isize) for Error { + | ^^^^^^^^^^ associated type not allowed here + +error: aborting due to 3 previous errors + +Some errors have detailed explanations: E0183, E0229, E0407. +For more information about an error, try `rustc --explain E0183`. |