diff options
350 files changed, 4194 insertions, 2219 deletions
diff --git a/Cargo.lock b/Cargo.lock index 2e781fcc665..f03b033db6f 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -1525,7 +1525,6 @@ checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1" dependencies = [ "ahash", "allocator-api2", - "serde", ] [[package]] @@ -1535,6 +1534,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "bf151400ff0baff5465007dd2f3e717f3fe502074ca563069ce3a6629d07b289" dependencies = [ "foldhash", + "serde", ] [[package]] @@ -5880,9 +5880,9 @@ checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423" [[package]] name = "wasi-preview1-component-adapter-provider" -version = "24.0.1" +version = "29.0.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "0f76d9fa52234153eeb40b088de91a8c13dc28a912cf6f31cd89ca4bac9024e0" +checksum = "dcd9f21bbde82ba59e415a8725e6ad0d0d7e9e460b1a3ccbca5bdee952c1a324" [[package]] name = "wasm-bindgen" @@ -5944,9 +5944,9 @@ dependencies = [ [[package]] name = "wasm-component-ld" -version = "0.5.11" +version = "0.5.12" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a2b05c3820968b335f10e703218459e4fd2cc91fdfc8f7936a993f1aacaa0938" +checksum = "580305a8e3f1b7a79859a8db897de643533b2851c5eb080fe5800233f16dec88" dependencies = [ "anyhow", "clap", @@ -5954,7 +5954,7 @@ dependencies = [ "libc", "tempfile", "wasi-preview1-component-adapter-provider", - "wasmparser 0.219.1", + "wasmparser 0.223.0", "wat", "windows-sys 0.59.0", "winsplit", @@ -5991,9 +5991,9 @@ dependencies = [ [[package]] name = "wasm-metadata" -version = "0.219.1" +version = "0.223.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "2af5a8e37a5e996861e1813f8de30911c47609c9ff51a7284f7dbd754dc3a9f3" +checksum = "5c730c3379d3d20e5a0245b0724b924483e853588ca8fba547c1e21f19e7d735" dependencies = [ "anyhow", "indexmap", @@ -6001,8 +6001,9 @@ dependencies = [ "serde_derive", "serde_json", "spdx", - "wasm-encoder 0.219.1", - "wasmparser 0.219.1", + "url", + "wasm-encoder 0.223.0", + "wasmparser 0.223.0", ] [[package]] @@ -6011,12 +6012,8 @@ version = "0.219.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "5c771866898879073c53b565a6c7b49953795159836714ac56a5befb581227c5" dependencies = [ - "ahash", "bitflags", - "hashbrown 0.14.5", "indexmap", - "semver", - "serde", ] [[package]] @@ -6035,8 +6032,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "d5a99faceb1a5a84dd6084ec4bfa4b2ab153b5793b43fd8f58b89232634afc35" dependencies = [ "bitflags", + "hashbrown 0.15.2", "indexmap", "semver", + "serde", ] [[package]] @@ -6476,9 +6475,9 @@ checksum = "3ab703352da6a72f35c39a533526393725640575bb211f61987a2748323ad956" [[package]] name = "wit-component" -version = "0.219.1" +version = "0.223.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ad1673163c0cb14a6a19ddbf44dd4efe6f015ec1ebb8156710ac32501f19fba2" +checksum = "c10ed2aeee4c8ec5715875f62f4a3de3608d6987165c116810d8c2908aa9d93b" dependencies = [ "anyhow", "bitflags", @@ -6487,17 +6486,17 @@ dependencies = [ "serde", "serde_derive", "serde_json", - "wasm-encoder 0.219.1", + "wasm-encoder 0.223.0", "wasm-metadata", - "wasmparser 0.219.1", + "wasmparser 0.223.0", "wit-parser", ] [[package]] name = "wit-parser" -version = "0.219.1" +version = "0.223.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4a86f669283257e8e424b9a4fc3518e3ade0b95deb9fbc0f93a1876be3eda598" +checksum = "92772f4dcacb804b275981eea1d920b12b377993b53307f1e33d87404e080281" dependencies = [ "anyhow", "id-arena", @@ -6508,7 +6507,7 @@ dependencies = [ "serde_derive", "serde_json", "unicode-xid", - "wasmparser 0.219.1", + "wasmparser 0.223.0", ] [[package]] diff --git a/compiler/rustc_ast_lowering/src/expr.rs b/compiler/rustc_ast_lowering/src/expr.rs index a76ca6772e5..f31e2c65c79 100644 --- a/compiler/rustc_ast_lowering/src/expr.rs +++ b/compiler/rustc_ast_lowering/src/expr.rs @@ -2159,7 +2159,7 @@ impl<'hir> LoweringContext<'_, 'hir> { let path = hir::ExprKind::Path(hir::QPath::TypeRelative( self.arena.alloc(self.ty(span, hir::TyKind::Path(qpath))), self.arena.alloc(hir::PathSegment::new( - Ident::new(name, span), + Ident::new(name, self.lower_span(span)), self.next_id(), Res::Err, )), diff --git a/compiler/rustc_ast_lowering/src/index.rs b/compiler/rustc_ast_lowering/src/index.rs index 29d4fb9ef25..9cfdbc47495 100644 --- a/compiler/rustc_ast_lowering/src/index.rs +++ b/compiler/rustc_ast_lowering/src/index.rs @@ -78,24 +78,31 @@ impl<'a, 'hir> NodeCollector<'a, 'hir> { // Make sure that the DepNode of some node coincides with the HirId // owner of that node. - if cfg!(debug_assertions) && hir_id.owner != self.owner { - span_bug!( - span, - "inconsistent HirId at `{:?}` for `{:?}`: \ + if cfg!(debug_assertions) { + if hir_id.owner != self.owner { + span_bug!( + span, + "inconsistent HirId at `{:?}` for `{node:?}`: \ current_dep_node_owner={} ({:?}), hir_id.owner={} ({:?})", - self.tcx.sess.source_map().span_to_diagnostic_string(span), - node, - self.tcx - .definitions_untracked() - .def_path(self.owner.def_id) - .to_string_no_crate_verbose(), - self.owner, - self.tcx - .definitions_untracked() - .def_path(hir_id.owner.def_id) - .to_string_no_crate_verbose(), - hir_id.owner, - ) + self.tcx.sess.source_map().span_to_diagnostic_string(span), + self.tcx + .definitions_untracked() + .def_path(self.owner.def_id) + .to_string_no_crate_verbose(), + self.owner, + self.tcx + .definitions_untracked() + .def_path(hir_id.owner.def_id) + .to_string_no_crate_verbose(), + hir_id.owner, + ) + } + if self.tcx.sess.opts.incremental.is_some() + && span.parent().is_none() + && !span.is_dummy() + { + span_bug!(span, "span without a parent: {:#?}, {node:?}", span.data()) + } } self.nodes[hir_id.local_id] = ParentedNode { parent: self.parent_node, node }; diff --git a/compiler/rustc_ast_lowering/src/item.rs b/compiler/rustc_ast_lowering/src/item.rs index 61d7da429f8..74870d74150 100644 --- a/compiler/rustc_ast_lowering/src/item.rs +++ b/compiler/rustc_ast_lowering/src/item.rs @@ -1092,6 +1092,7 @@ impl<'hir> LoweringContext<'_, 'hir> { // this as a special case. return self.lower_fn_body(decl, |this| { if attrs.iter().any(|a| a.name_or_empty() == sym::rustc_intrinsic) { + let span = this.lower_span(span); let empty_block = hir::Block { hir_id: this.next_id(), stmts: &[], diff --git a/compiler/rustc_ast_lowering/src/pat.rs b/compiler/rustc_ast_lowering/src/pat.rs index abd314ae74c..3c78ed0497d 100644 --- a/compiler/rustc_ast_lowering/src/pat.rs +++ b/compiler/rustc_ast_lowering/src/pat.rs @@ -375,24 +375,24 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { expr: &Expr, allow_paths: bool, ) -> &'hir hir::PatExpr<'hir> { + let span = self.lower_span(expr.span); let err = |guar| hir::PatExprKind::Lit { - lit: self.arena.alloc(respan(self.lower_span(expr.span), LitKind::Err(guar))), + lit: self.arena.alloc(respan(span, LitKind::Err(guar))), negated: false, }; let kind = match &expr.kind { ExprKind::Lit(lit) => { - hir::PatExprKind::Lit { lit: self.lower_lit(lit, expr.span), negated: false } + hir::PatExprKind::Lit { lit: self.lower_lit(lit, span), negated: false } } ExprKind::ConstBlock(c) => hir::PatExprKind::ConstBlock(self.lower_const_block(c)), ExprKind::IncludedBytes(bytes) => hir::PatExprKind::Lit { - lit: self.arena.alloc(respan( - self.lower_span(expr.span), - LitKind::ByteStr(Arc::clone(bytes), StrStyle::Cooked), - )), + lit: self + .arena + .alloc(respan(span, LitKind::ByteStr(Arc::clone(bytes), StrStyle::Cooked))), negated: false, }, ExprKind::Err(guar) => err(*guar), - ExprKind::Dummy => span_bug!(expr.span, "lowered ExprKind::Dummy"), + ExprKind::Dummy => span_bug!(span, "lowered ExprKind::Dummy"), ExprKind::Path(qself, path) if allow_paths => hir::PatExprKind::Path(self.lower_qpath( expr.id, qself, @@ -403,21 +403,17 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { None, )), ExprKind::Unary(UnOp::Neg, inner) if let ExprKind::Lit(lit) = &inner.kind => { - hir::PatExprKind::Lit { lit: self.lower_lit(lit, expr.span), negated: true } + hir::PatExprKind::Lit { lit: self.lower_lit(lit, span), negated: true } } _ => { let pattern_from_macro = expr.is_approximately_pattern(); let guar = self.dcx().emit_err(ArbitraryExpressionInPattern { - span: expr.span, + span, pattern_from_macro_note: pattern_from_macro, }); err(guar) } }; - self.arena.alloc(hir::PatExpr { - hir_id: self.lower_node_id(expr.id), - span: expr.span, - kind, - }) + self.arena.alloc(hir::PatExpr { hir_id: self.lower_node_id(expr.id), span, kind }) } } diff --git a/compiler/rustc_borrowck/src/type_check/canonical.rs b/compiler/rustc_borrowck/src/type_check/canonical.rs index 3903c45fda5..bffd9f38334 100644 --- a/compiler/rustc_borrowck/src/type_check/canonical.rs +++ b/compiler/rustc_borrowck/src/type_check/canonical.rs @@ -185,7 +185,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { CustomTypeOp::new( |ocx| { let structurally_normalize = |ty| { - ocx.structurally_normalize( + ocx.structurally_normalize_ty( &ObligationCause::misc( location.to_locations().span(body), body.source.def_id().expect_local(), @@ -230,7 +230,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { ConstraintCategory::Boring, CustomTypeOp::new( |ocx| { - ocx.structurally_normalize( + ocx.structurally_normalize_ty( &ObligationCause::misc( location.to_locations().span(body), body.source.def_id().expect_local(), diff --git a/compiler/rustc_builtin_macros/src/lib.rs b/compiler/rustc_builtin_macros/src/lib.rs index 6071d36f8eb..0918403b855 100644 --- a/compiler/rustc_builtin_macros/src/lib.rs +++ b/compiler/rustc_builtin_macros/src/lib.rs @@ -16,6 +16,7 @@ #![feature(proc_macro_internals)] #![feature(proc_macro_quote)] #![feature(rustdoc_internals)] +#![feature(string_from_utf8_lossy_owned)] #![feature(try_blocks)] #![warn(unreachable_pub)] // tidy-alphabetical-end diff --git a/compiler/rustc_builtin_macros/src/source_util.rs b/compiler/rustc_builtin_macros/src/source_util.rs index 123b96f6bca..d163da3ddea 100644 --- a/compiler/rustc_builtin_macros/src/source_util.rs +++ b/compiler/rustc_builtin_macros/src/source_util.rs @@ -13,7 +13,7 @@ use rustc_expand::base::{ use rustc_expand::module::DirOwnership; use rustc_lint_defs::BuiltinLintDiag; use rustc_parse::parser::{ForceCollect, Parser}; -use rustc_parse::{new_parser_from_file, unwrap_or_emit_fatal}; +use rustc_parse::{new_parser_from_file, unwrap_or_emit_fatal, utf8_error}; use rustc_session::lint::builtin::INCOMPLETE_INCLUDE; use rustc_span::source_map::SourceMap; use rustc_span::{Pos, Span, Symbol}; @@ -209,9 +209,10 @@ pub(crate) fn expand_include_str( let interned_src = Symbol::intern(src); MacEager::expr(cx.expr_str(cx.with_def_site_ctxt(bsp), interned_src)) } - Err(_) => { - let guar = cx.dcx().span_err(sp, format!("`{path}` wasn't a utf-8 file")); - DummyResult::any(sp, guar) + Err(utf8err) => { + let mut err = cx.dcx().struct_span_err(sp, format!("`{path}` wasn't a utf-8 file")); + utf8_error(cx.source_map(), path.as_str(), None, &mut err, utf8err, &bytes[..]); + DummyResult::any(sp, err.emit()) } }, Err(dummy) => dummy, @@ -273,7 +274,7 @@ fn load_binary_file( .and_then(|path| path.into_os_string().into_string().ok()); if let Some(new_path) = new_path { - err.span_suggestion( + err.span_suggestion_verbose( path_span, "there is a file with the same name in a different directory", format!("\"{}\"", new_path.replace('\\', "/").escape_debug()), diff --git a/compiler/rustc_codegen_llvm/Cargo.toml b/compiler/rustc_codegen_llvm/Cargo.toml index c44d1a5e5c2..94f21ac5f57 100644 --- a/compiler/rustc_codegen_llvm/Cargo.toml +++ b/compiler/rustc_codegen_llvm/Cargo.toml @@ -9,6 +9,8 @@ test = false [dependencies] # tidy-alphabetical-start bitflags = "2.4.1" +# To avoid duplicate dependencies, this should match the version of gimli used +# by `rustc_codegen_ssa` via its `thorin-dwp` dependency. gimli = "0.30" itertools = "0.12" libc = "0.2" diff --git a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs index 9349ae212d2..009d15a932f 100644 --- a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs +++ b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs @@ -741,8 +741,11 @@ pub mod debuginfo { pub type DIEnumerator = DIDescriptor; pub type DITemplateTypeParameter = DIDescriptor; - // These values **must** match with LLVMRustDIFlags!! bitflags! { + /// Must match the layout of `LLVMDIFlags` in the LLVM-C API. + /// + /// Each value declared here must also be covered by the static + /// assertions in `RustWrapper.cpp` used by `fromRust(LLVMDIFlags)`. #[repr(transparent)] #[derive(Clone, Copy, Default)] pub struct DIFlags: u32 { @@ -752,7 +755,7 @@ pub mod debuginfo { const FlagPublic = 3; const FlagFwdDecl = (1 << 2); const FlagAppleBlock = (1 << 3); - const FlagBlockByrefStruct = (1 << 4); + const FlagReservedBit4 = (1 << 4); const FlagVirtual = (1 << 5); const FlagArtificial = (1 << 6); const FlagExplicit = (1 << 7); @@ -763,10 +766,21 @@ pub mod debuginfo { const FlagStaticMember = (1 << 12); const FlagLValueReference = (1 << 13); const FlagRValueReference = (1 << 14); - const FlagExternalTypeRef = (1 << 15); + const FlagReserved = (1 << 15); + const FlagSingleInheritance = (1 << 16); + const FlagMultipleInheritance = (2 << 16); + const FlagVirtualInheritance = (3 << 16); const FlagIntroducedVirtual = (1 << 18); const FlagBitField = (1 << 19); const FlagNoReturn = (1 << 20); + // The bit at (1 << 21) is unused, but was `LLVMDIFlagMainSubprogram`. + const FlagTypePassByValue = (1 << 22); + const FlagTypePassByReference = (1 << 23); + const FlagEnumClass = (1 << 24); + const FlagThunk = (1 << 25); + const FlagNonTrivial = (1 << 26); + const FlagBigEndian = (1 << 27); + const FlagLittleEndian = (1 << 28); } } diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs index 414d1205b0e..8b666c9100f 100644 --- a/compiler/rustc_driver_impl/src/lib.rs +++ b/compiler/rustc_driver_impl/src/lib.rs @@ -1528,9 +1528,9 @@ fn report_ice( // If backtraces are enabled, also print the query stack let backtrace = env::var_os("RUST_BACKTRACE").is_some_and(|x| &x != "0"); - let num_frames = if backtrace { None } else { Some(2) }; + let limit_frames = if backtrace { None } else { Some(2) }; - interface::try_print_query_stack(dcx, num_frames, file); + interface::try_print_query_stack(dcx, limit_frames, file); // We don't trust this callback not to panic itself, so run it at the end after we're sure we've // printed all the relevant info. diff --git a/compiler/rustc_error_codes/src/error_codes/E0038.md b/compiler/rustc_error_codes/src/error_codes/E0038.md index 014d8c4f761..4b06395897a 100644 --- a/compiler/rustc_error_codes/src/error_codes/E0038.md +++ b/compiler/rustc_error_codes/src/error_codes/E0038.md @@ -264,15 +264,15 @@ trait Foo { ### Trait contains associated constants Just like static functions, associated constants aren't stored on the method -table. If the trait or any subtrait contain an associated constant, they cannot -be made into an object. +table. If the trait or any subtrait contain an associated constant, they are not +dyn compatible. ```compile_fail,E0038 trait Foo { const X: i32; } -impl Foo {} +impl dyn Foo {} ``` A simple workaround is to use a helper method instead: diff --git a/compiler/rustc_expand/src/mbe/transcribe.rs b/compiler/rustc_expand/src/mbe/transcribe.rs index ef209c2bce1..21688521ade 100644 --- a/compiler/rustc_expand/src/mbe/transcribe.rs +++ b/compiler/rustc_expand/src/mbe/transcribe.rs @@ -282,11 +282,13 @@ pub(super) fn transcribe<'a>( } MatchedSingle(ParseNtResult::Ident(ident, is_raw)) => { marker.visit_span(&mut sp); + with_metavar_spans(|mspans| mspans.insert(ident.span, sp)); let kind = token::NtIdent(*ident, *is_raw); TokenTree::token_alone(kind, sp) } MatchedSingle(ParseNtResult::Lifetime(ident, is_raw)) => { marker.visit_span(&mut sp); + with_metavar_spans(|mspans| mspans.insert(ident.span, sp)); let kind = token::NtLifetime(*ident, *is_raw); TokenTree::token_alone(kind, sp) } @@ -295,6 +297,8 @@ pub(super) fn transcribe<'a>( // `Delimiter::Invisible` to maintain parsing priorities. // `Interpolated` is currently used for such groups in rustc parser. marker.visit_span(&mut sp); + let use_span = nt.use_span(); + with_metavar_spans(|mspans| mspans.insert(use_span, sp)); TokenTree::token_alone(token::Interpolated(Lrc::clone(nt)), sp) } MatchedSeq(..) => { @@ -410,19 +414,15 @@ fn maybe_use_metavar_location( return orig_tt.clone(); } - let insert = |mspans: &mut FxHashMap<_, _>, s, ms| match mspans.try_insert(s, ms) { - Ok(_) => true, - Err(err) => *err.entry.get() == ms, // Tried to insert the same span, still success - }; marker.visit_span(&mut metavar_span); let no_collision = match orig_tt { TokenTree::Token(token, ..) => { - with_metavar_spans(|mspans| insert(mspans, token.span, metavar_span)) + with_metavar_spans(|mspans| mspans.insert(token.span, metavar_span)) } TokenTree::Delimited(dspan, ..) => with_metavar_spans(|mspans| { - insert(mspans, dspan.open, metavar_span) - && insert(mspans, dspan.close, metavar_span) - && insert(mspans, dspan.entire(), metavar_span) + mspans.insert(dspan.open, metavar_span) + && mspans.insert(dspan.close, metavar_span) + && mspans.insert(dspan.entire(), metavar_span) }), }; if no_collision || psess.source_map().is_imported(metavar_span) { @@ -434,14 +434,14 @@ fn maybe_use_metavar_location( match orig_tt { TokenTree::Token(Token { kind, span }, spacing) => { let span = metavar_span.with_ctxt(span.ctxt()); - with_metavar_spans(|mspans| insert(mspans, span, metavar_span)); + with_metavar_spans(|mspans| mspans.insert(span, metavar_span)); TokenTree::Token(Token { kind: kind.clone(), span }, *spacing) } TokenTree::Delimited(dspan, dspacing, delimiter, tts) => { let open = metavar_span.with_ctxt(dspan.open.ctxt()); let close = metavar_span.with_ctxt(dspan.close.ctxt()); with_metavar_spans(|mspans| { - insert(mspans, open, metavar_span) && insert(mspans, close, metavar_span) + mspans.insert(open, metavar_span) && mspans.insert(close, metavar_span) }); let dspan = DelimSpan::from_pair(open, close); TokenTree::Delimited(dspan, *dspacing, *delimiter, tts.clone()) diff --git a/compiler/rustc_feature/src/removed.rs b/compiler/rustc_feature/src/removed.rs index 944665c9ee5..081638715df 100644 --- a/compiler/rustc_feature/src/removed.rs +++ b/compiler/rustc_feature/src/removed.rs @@ -163,7 +163,7 @@ declare_features! ( /// then removed. But there was no utility storing it separately, so now /// it's in this list. (removed, no_stack_check, "1.0.0", None, None), - /// Allows making `dyn Trait` well-formed even if `Trait` is not dyn-compatible (object safe). + /// Allows making `dyn Trait` well-formed even if `Trait` is not dyn compatible (object safe). /// Renamed to `dyn_compatible_for_dispatch`. (removed, object_safe_for_dispatch, "1.83.0", Some(43561), Some("renamed to `dyn_compatible_for_dispatch`")), diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs index f7b7a9de1bf..1a216ebf117 100644 --- a/compiler/rustc_feature/src/unstable.rs +++ b/compiler/rustc_feature/src/unstable.rs @@ -272,7 +272,7 @@ declare_features! ( (unstable, doc_notable_trait, "1.52.0", Some(45040)), /// Allows using the `may_dangle` attribute (RFC 1327). (unstable, dropck_eyepatch, "1.10.0", Some(34761)), - /// Allows making `dyn Trait` well-formed even if `Trait` is not dyn-compatible[^1]. + /// Allows making `dyn Trait` well-formed even if `Trait` is not dyn compatible[^1]. /// In that case, `dyn Trait: Trait` does not hold. Moreover, coercions and /// casts in safe Rust to `dyn Trait` for such a `Trait` is also forbidden. /// diff --git a/compiler/rustc_hir_analysis/src/autoderef.rs b/compiler/rustc_hir_analysis/src/autoderef.rs index d8e9227a87c..b3eade8c8ae 100644 --- a/compiler/rustc_hir_analysis/src/autoderef.rs +++ b/compiler/rustc_hir_analysis/src/autoderef.rs @@ -86,7 +86,7 @@ impl<'a, 'tcx> Iterator for Autoderef<'a, 'tcx> { if self.infcx.next_trait_solver() && let ty::Alias(..) = ty.kind() { - let (normalized_ty, obligations) = self.structurally_normalize(ty)?; + let (normalized_ty, obligations) = self.structurally_normalize_ty(ty)?; self.state.obligations.extend(obligations); (AutoderefKind::Builtin, normalized_ty) } else { @@ -166,7 +166,7 @@ impl<'a, 'tcx> Autoderef<'a, 'tcx> { } let (normalized_ty, obligations) = - self.structurally_normalize(Ty::new_projection(tcx, trait_target_def_id, [ty]))?; + self.structurally_normalize_ty(Ty::new_projection(tcx, trait_target_def_id, [ty]))?; debug!("overloaded_deref_ty({:?}) = ({:?}, {:?})", ty, normalized_ty, obligations); self.state.obligations.extend(obligations); @@ -174,12 +174,12 @@ impl<'a, 'tcx> Autoderef<'a, 'tcx> { } #[instrument(level = "debug", skip(self), ret)] - pub fn structurally_normalize( + pub fn structurally_normalize_ty( &self, ty: Ty<'tcx>, ) -> Option<(Ty<'tcx>, PredicateObligations<'tcx>)> { let ocx = ObligationCtxt::new(self.infcx); - let Ok(normalized_ty) = ocx.structurally_normalize( + let Ok(normalized_ty) = ocx.structurally_normalize_ty( &traits::ObligationCause::misc(self.span, self.body_id), self.param_env, ty, diff --git a/compiler/rustc_hir_analysis/src/coherence/mod.rs b/compiler/rustc_hir_analysis/src/coherence/mod.rs index 951e8f1da4c..4e5f0a3186a 100644 --- a/compiler/rustc_hir_analysis/src/coherence/mod.rs +++ b/compiler/rustc_hir_analysis/src/coherence/mod.rs @@ -185,7 +185,7 @@ fn check_object_overlap<'tcx>( // check for overlap with the automatic `impl Trait for dyn Trait` if let ty::Dynamic(data, ..) = trait_ref.self_ty().kind() { // This is something like `impl Trait1 for Trait2`. Illegal if - // Trait1 is a supertrait of Trait2 or Trait2 is not dyn-compatible. + // Trait1 is a supertrait of Trait2 or Trait2 is not dyn compatible. let component_def_ids = data.iter().flat_map(|predicate| { match predicate.skip_binder() { diff --git a/compiler/rustc_hir_analysis/src/coherence/orphan.rs b/compiler/rustc_hir_analysis/src/coherence/orphan.rs index 7d651155781..d17ee86ba66 100644 --- a/compiler/rustc_hir_analysis/src/coherence/orphan.rs +++ b/compiler/rustc_hir_analysis/src/coherence/orphan.rs @@ -320,7 +320,7 @@ fn orphan_check<'tcx>( } let ty = if infcx.next_trait_solver() { - ocx.structurally_normalize( + ocx.structurally_normalize_ty( &cause, ty::ParamEnv::empty(), infcx.resolve_vars_if_possible(ty), diff --git a/compiler/rustc_hir_typeck/src/coercion.rs b/compiler/rustc_hir_typeck/src/coercion.rs index 6945dbc3216..47abba1cc29 100644 --- a/compiler/rustc_hir_typeck/src/coercion.rs +++ b/compiler/rustc_hir_typeck/src/coercion.rs @@ -461,9 +461,17 @@ impl<'f, 'tcx> Coerce<'f, 'tcx> { // to the target type), since that should be the least // confusing. let Some(InferOk { value: ty, mut obligations }) = found else { - let err = first_error.expect("coerce_borrowed_pointer had no error"); - debug!("coerce_borrowed_pointer: failed with err = {:?}", err); - return Err(err); + if let Some(first_error) = first_error { + debug!("coerce_borrowed_pointer: failed with err = {:?}", first_error); + return Err(first_error); + } else { + // This may happen in the new trait solver since autoderef requires + // the pointee to be structurally normalizable, or else it'll just bail. + // So when we have a type like `&<not well formed>`, then we get no + // autoderef steps (even though there should be at least one). That means + // we get no type mismatches, since the loop above just exits early. + return Err(TypeError::Mismatch); + } }; if ty == a && mt_a.mutbl.is_not() && autoderef.step_count() == 1 { @@ -1124,7 +1132,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { if self.next_trait_solver() && let ty::Alias(..) = ty.kind() { - ocx.structurally_normalize(&cause, self.param_env, ty) + ocx.structurally_normalize_ty(&cause, self.param_env, ty) } else { Ok(ty) } diff --git a/compiler/rustc_hir_typeck/src/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs index 01fed72d5a2..bdd436302f4 100644 --- a/compiler/rustc_hir_typeck/src/expr.rs +++ b/compiler/rustc_hir_typeck/src/expr.rs @@ -2349,6 +2349,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self.report_missing_fields( adt_ty, path_span, + expr.span, remaining_fields, variant, hir_fields, @@ -2386,6 +2387,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { &self, adt_ty: Ty<'tcx>, span: Span, + full_span: Span, remaining_fields: UnordMap<Ident, (FieldIdx, &ty::FieldDef)>, variant: &'tcx ty::VariantDef, hir_fields: &'tcx [hir::ExprField<'tcx>], @@ -2425,6 +2427,34 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ); err.span_label(span, format!("missing {remaining_fields_names}{truncated_fields_error}")); + if remaining_fields.items().all(|(_, (_, field))| field.value.is_some()) + && self.tcx.sess.is_nightly_build() + { + let msg = format!( + "all remaining fields have default values, {you_can} use those values with `..`", + you_can = if self.tcx.features().default_field_values() { + "you can" + } else { + "if you added `#![feature(default_field_values)]` to your crate you could" + }, + ); + if let Some(hir_field) = hir_fields.last() { + err.span_suggestion_verbose( + hir_field.span.shrink_to_hi(), + msg, + ", ..".to_string(), + Applicability::MachineApplicable, + ); + } else if hir_fields.is_empty() { + err.span_suggestion_verbose( + span.shrink_to_hi().with_hi(full_span.hi()), + msg, + " { .. }".to_string(), + Applicability::MachineApplicable, + ); + } + } + if let Some(hir_field) = hir_fields.last() { self.suggest_fru_from_range_and_emit(hir_field, variant, args, err); } else { diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index be6d9570e35..e26c09e3601 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -1433,7 +1433,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // in a reentrant borrow, causing an ICE. let result = self .at(&self.misc(sp), self.param_env) - .structurally_normalize(ty, &mut **self.fulfillment_cx.borrow_mut()); + .structurally_normalize_ty(ty, &mut **self.fulfillment_cx.borrow_mut()); match result { Ok(normalized_ty) => normalized_ty, Err(errors) => { diff --git a/compiler/rustc_infer/src/infer/context.rs b/compiler/rustc_infer/src/infer/context.rs index 5fc9b679c8a..69ab0e69e21 100644 --- a/compiler/rustc_infer/src/infer/context.rs +++ b/compiler/rustc_infer/src/infer/context.rs @@ -114,7 +114,7 @@ impl<'tcx> rustc_type_ir::InferCtxtLike for InferCtxt<'tcx> { ) } - fn enter_forall<T: TypeFoldable<TyCtxt<'tcx>> + Copy, U>( + fn enter_forall<T: TypeFoldable<TyCtxt<'tcx>>, U>( &self, value: ty::Binder<'tcx, T>, f: impl FnOnce(T) -> U, diff --git a/compiler/rustc_infer/src/infer/relate/higher_ranked.rs b/compiler/rustc_infer/src/infer/relate/higher_ranked.rs index 7908733e734..061f7e6c22a 100644 --- a/compiler/rustc_infer/src/infer/relate/higher_ranked.rs +++ b/compiler/rustc_infer/src/infer/relate/higher_ranked.rs @@ -24,9 +24,9 @@ impl<'tcx> InferCtxt<'tcx> { #[instrument(level = "debug", skip(self), ret)] pub fn enter_forall_and_leak_universe<T>(&self, binder: ty::Binder<'tcx, T>) -> T where - T: TypeFoldable<TyCtxt<'tcx>> + Copy, + T: TypeFoldable<TyCtxt<'tcx>>, { - if let Some(inner) = binder.no_bound_vars() { + if let Some(inner) = binder.clone().no_bound_vars() { return inner; } @@ -71,7 +71,7 @@ impl<'tcx> InferCtxt<'tcx> { #[instrument(level = "debug", skip(self, f))] pub fn enter_forall<T, U>(&self, forall: ty::Binder<'tcx, T>, f: impl FnOnce(T) -> U) -> U where - T: TypeFoldable<TyCtxt<'tcx>> + Copy, + T: TypeFoldable<TyCtxt<'tcx>>, { // FIXME: currently we do nothing to prevent placeholders with the new universe being // used after exiting `f`. For example region subtyping can result in outlives constraints diff --git a/compiler/rustc_interface/src/interface.rs b/compiler/rustc_interface/src/interface.rs index 1971c637563..308d669cf35 100644 --- a/compiler/rustc_interface/src/interface.rs +++ b/compiler/rustc_interface/src/interface.rs @@ -533,7 +533,7 @@ pub fn run_compiler<R: Send>(config: Config, f: impl FnOnce(&Compiler) -> R + Se pub fn try_print_query_stack( dcx: DiagCtxtHandle<'_>, - num_frames: Option<usize>, + limit_frames: Option<usize>, file: Option<std::fs::File>, ) { eprintln!("query stack during panic:"); @@ -541,13 +541,13 @@ pub fn try_print_query_stack( // Be careful relying on global state here: this code is called from // a panic hook, which means that the global `DiagCtxt` may be in a weird // state if it was responsible for triggering the panic. - let i = ty::tls::with_context_opt(|icx| { + let all_frames = ty::tls::with_context_opt(|icx| { if let Some(icx) = icx { ty::print::with_no_queries!(print_query_stack( QueryCtxt::new(icx.tcx), icx.query, dcx, - num_frames, + limit_frames, file, )) } else { @@ -555,9 +555,14 @@ pub fn try_print_query_stack( } }); - if num_frames == None || num_frames >= Some(i) { - eprintln!("end of query stack"); + if let Some(limit_frames) = limit_frames + && all_frames > limit_frames + { + eprintln!( + "... and {} other queries... use `env RUST_BACKTRACE=1` to see the full query stack", + all_frames - limit_frames + ); } else { - eprintln!("we're just showing a limited slice of the query stack"); + eprintln!("end of query stack"); } } diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index 7522e21d0ef..64c8f00cc83 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -209,7 +209,9 @@ lint_dangling_pointers_from_temporaries = a dangling pointer will be produced be .label_ptr = this pointer will immediately be invalid .label_temporary = this `{$ty}` is deallocated at the end of the statement, bind it to a variable to extend its lifetime .note = pointers do not have a lifetime; when calling `{$callee}` the `{$ty}` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned - .help = for more information, see <https://doc.rust-lang.org/reference/destructors.html> + .help_bind = you must make sure that the variable you bind the `{$ty}` to lives at least as long as the pointer returned by the call to `{$callee}` + .help_returned = in particular, if this pointer is returned from the current function, binding the `{$ty}` inside the function will not suffice + .help_visit = for more information, see <https://doc.rust-lang.org/reference/destructors.html> lint_default_hash_types = prefer `{$preferred}` over `{$used}`, it has better performance .note = a `use rustc_data_structures::fx::{$preferred}` may be necessary @@ -970,6 +972,8 @@ lint_unused_result = unused result of type `{$ty}` lint_use_let_underscore_ignore_suggestion = use `let _ = ...` to ignore the expression or result +lint_uses_power_alignment = repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type + lint_variant_size_differences = enum variant is more than three times larger ({$largest} bytes) than the next largest diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index ac995b59caf..2f610802ff5 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -1139,7 +1139,9 @@ pub(crate) struct IgnoredUnlessCrateSpecified<'a> { #[derive(LintDiagnostic)] #[diag(lint_dangling_pointers_from_temporaries)] #[note] -#[help] +#[help(lint_help_bind)] +#[help(lint_help_returned)] +#[help(lint_help_visit)] // FIXME: put #[primary_span] on `ptr_span` once it does not cause conflicts pub(crate) struct DanglingPointersFromTemporaries<'tcx> { pub callee: Symbol, @@ -1693,6 +1695,10 @@ pub(crate) struct OverflowingLiteral<'a> { } #[derive(LintDiagnostic)] +#[diag(lint_uses_power_alignment)] +pub(crate) struct UsesPowerAlignment; + +#[derive(LintDiagnostic)] #[diag(lint_unused_comparisons)] pub(crate) struct UnusedComparisons; diff --git a/compiler/rustc_lint/src/types.rs b/compiler/rustc_lint/src/types.rs index 3bd27a224e7..0757e6840c6 100644 --- a/compiler/rustc_lint/src/types.rs +++ b/compiler/rustc_lint/src/types.rs @@ -1,14 +1,15 @@ use std::iter; use std::ops::ControlFlow; -use rustc_abi::{BackendRepr, ExternAbi, TagEncoding, Variants, WrappingRange}; +use rustc_abi::{BackendRepr, ExternAbi, TagEncoding, VariantIdx, Variants, WrappingRange}; use rustc_data_structures::fx::FxHashSet; use rustc_errors::DiagMessage; use rustc_hir::{Expr, ExprKind, LangItem}; use rustc_middle::bug; use rustc_middle::ty::layout::{LayoutOf, SizeSkeleton}; use rustc_middle::ty::{ - self, AdtKind, GenericArgsRef, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, TypeVisitableExt, + self, Adt, AdtKind, GenericArgsRef, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, + TypeVisitableExt, }; use rustc_session::{declare_lint, declare_lint_pass, impl_lint_pass}; use rustc_span::def_id::LocalDefId; @@ -23,7 +24,7 @@ use crate::lints::{ AmbiguousWidePointerComparisonsAddrSuggestion, AtomicOrderingFence, AtomicOrderingLoad, AtomicOrderingStore, ImproperCTypes, InvalidAtomicOrderingDiag, InvalidNanComparisons, InvalidNanComparisonsSuggestion, UnpredictableFunctionPointerComparisons, - UnpredictableFunctionPointerComparisonsSuggestion, UnusedComparisons, + UnpredictableFunctionPointerComparisonsSuggestion, UnusedComparisons, UsesPowerAlignment, VariantSizeDifferencesDiag, }; use crate::{LateContext, LateLintPass, LintContext, fluent_generated as fluent}; @@ -727,7 +728,60 @@ declare_lint! { "proper use of libc types in foreign item definitions" } -declare_lint_pass!(ImproperCTypesDefinitions => [IMPROPER_CTYPES_DEFINITIONS]); +declare_lint! { + /// The `uses_power_alignment` lint detects specific `repr(C)` + /// aggregates on AIX. + /// In its platform C ABI, AIX uses the "power" (as in PowerPC) alignment + /// rule (detailed in https://www.ibm.com/docs/en/xl-c-and-cpp-aix/16.1?topic=data-using-alignment-modes#alignment), + /// which can also be set for XLC by `#pragma align(power)` or + /// `-qalign=power`. Aggregates with a floating-point type as the + /// recursively first field (as in "at offset 0") modify the layout of + /// *subsequent* fields of the associated structs to use an alignment value + /// where the floating-point type is aligned on a 4-byte boundary. + /// + /// The power alignment rule for structs needed for C compatibility is + /// unimplementable within `repr(C)` in the compiler without building in + /// handling of references to packed fields and infectious nested layouts, + /// so a warning is produced in these situations. + /// + /// ### Example + /// + /// ```rust,ignore (fails on non-powerpc64-ibm-aix) + /// #[repr(C)] + /// pub struct Floats { + /// a: f64, + /// b: u8, + /// c: f64, + /// } + /// ``` + /// + /// This will produce: + /// + /// ```text + /// warning: repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type + /// --> <source>:5:3 + /// | + /// 5 | c: f64, + /// | ^^^^^^ + /// | + /// = note: `#[warn(uses_power_alignment)]` on by default + /// ``` + /// + /// ### Explanation + /// + /// The power alignment rule specifies that the above struct has the + /// following alignment: + /// - offset_of!(Floats, a) == 0 + /// - offset_of!(Floats, b) == 8 + /// - offset_of!(Floats, c) == 12 + /// However, rust currently aligns `c` at offset_of!(Floats, c) == 16. + /// Thus, a warning should be produced for the above struct in this case. + USES_POWER_ALIGNMENT, + Warn, + "Structs do not follow the power alignment rule under repr(C)" +} + +declare_lint_pass!(ImproperCTypesDefinitions => [IMPROPER_CTYPES_DEFINITIONS, USES_POWER_ALIGNMENT]); #[derive(Clone, Copy)] pub(crate) enum CItemKind { @@ -1539,6 +1593,71 @@ impl ImproperCTypesDefinitions { vis.check_type_for_ffi_and_report_errors(span, fn_ptr_ty, true, false); } } + + fn check_arg_for_power_alignment<'tcx>( + &mut self, + cx: &LateContext<'tcx>, + ty: Ty<'tcx>, + ) -> bool { + // Structs (under repr(C)) follow the power alignment rule if: + // - the first field of the struct is a floating-point type that + // is greater than 4-bytes, or + // - the first field of the struct is an aggregate whose + // recursively first field is a floating-point type greater than + // 4 bytes. + if cx.tcx.sess.target.os != "aix" { + return false; + } + if ty.is_floating_point() && ty.primitive_size(cx.tcx).bytes() > 4 { + return true; + } else if let Adt(adt_def, _) = ty.kind() + && adt_def.is_struct() + { + let struct_variant = adt_def.variant(VariantIdx::ZERO); + // Within a nested struct, all fields are examined to correctly + // report if any fields after the nested struct within the + // original struct are misaligned. + for struct_field in &struct_variant.fields { + let field_ty = cx.tcx.type_of(struct_field.did).instantiate_identity(); + if self.check_arg_for_power_alignment(cx, field_ty) { + return true; + } + } + } + return false; + } + + fn check_struct_for_power_alignment<'tcx>( + &mut self, + cx: &LateContext<'tcx>, + item: &'tcx hir::Item<'tcx>, + ) { + let adt_def = cx.tcx.adt_def(item.owner_id.to_def_id()); + if adt_def.repr().c() + && !adt_def.repr().packed() + && cx.tcx.sess.target.os == "aix" + && !adt_def.all_fields().next().is_none() + { + let struct_variant_data = item.expect_struct().0; + for (index, ..) in struct_variant_data.fields().iter().enumerate() { + // Struct fields (after the first field) are checked for the + // power alignment rule, as fields after the first are likely + // to be the fields that are misaligned. + if index != 0 { + let first_field_def = struct_variant_data.fields()[index]; + let def_id = first_field_def.def_id; + let ty = cx.tcx.type_of(def_id).instantiate_identity(); + if self.check_arg_for_power_alignment(cx, ty) { + cx.emit_span_lint( + USES_POWER_ALIGNMENT, + first_field_def.span, + UsesPowerAlignment, + ); + } + } + } + } + } } /// `ImproperCTypesDefinitions` checks items outside of foreign items (e.g. stuff that isn't in @@ -1562,8 +1681,13 @@ impl<'tcx> LateLintPass<'tcx> for ImproperCTypesDefinitions { } // See `check_fn`.. hir::ItemKind::Fn { .. } => {} + // Structs are checked based on if they follow the power alignment + // rule (under repr(C)). + hir::ItemKind::Struct(..) => { + self.check_struct_for_power_alignment(cx, item); + } // See `check_field_def`.. - hir::ItemKind::Union(..) | hir::ItemKind::Struct(..) | hir::ItemKind::Enum(..) => {} + hir::ItemKind::Union(..) | hir::ItemKind::Enum(..) => {} // Doesn't define something that can contain a external type to be checked. hir::ItemKind::Impl(..) | hir::ItemKind::TraitAlias(..) diff --git a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp index dd72ea2497f..35186778671 100644 --- a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp +++ b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp @@ -2,6 +2,7 @@ #include "llvm-c/Analysis.h" #include "llvm-c/Core.h" +#include "llvm-c/DebugInfo.h" #include "llvm/ADT/ArrayRef.h" #include "llvm/ADT/SmallVector.h" #include "llvm/ADT/Statistic.h" @@ -676,120 +677,73 @@ template <typename DIT> DIT *unwrapDIPtr(LLVMMetadataRef Ref) { #define DIArray DINodeArray #define unwrapDI unwrapDIPtr -// These values **must** match debuginfo::DIFlags! They also *happen* -// to match LLVM, but that isn't required as we do giant sets of -// matching below. The value shouldn't be directly passed to LLVM. -enum class LLVMRustDIFlags : uint32_t { - FlagZero = 0, - FlagPrivate = 1, - FlagProtected = 2, - FlagPublic = 3, - FlagFwdDecl = (1 << 2), - FlagAppleBlock = (1 << 3), - FlagBlockByrefStruct = (1 << 4), - FlagVirtual = (1 << 5), - FlagArtificial = (1 << 6), - FlagExplicit = (1 << 7), - FlagPrototyped = (1 << 8), - FlagObjcClassComplete = (1 << 9), - FlagObjectPointer = (1 << 10), - FlagVector = (1 << 11), - FlagStaticMember = (1 << 12), - FlagLValueReference = (1 << 13), - FlagRValueReference = (1 << 14), - FlagExternalTypeRef = (1 << 15), - FlagIntroducedVirtual = (1 << 18), - FlagBitField = (1 << 19), - FlagNoReturn = (1 << 20), - // Do not add values that are not supported by the minimum LLVM - // version we support! see llvm/include/llvm/IR/DebugInfoFlags.def -}; - -inline LLVMRustDIFlags operator&(LLVMRustDIFlags A, LLVMRustDIFlags B) { - return static_cast<LLVMRustDIFlags>(static_cast<uint32_t>(A) & - static_cast<uint32_t>(B)); -} - -inline LLVMRustDIFlags operator|(LLVMRustDIFlags A, LLVMRustDIFlags B) { - return static_cast<LLVMRustDIFlags>(static_cast<uint32_t>(A) | - static_cast<uint32_t>(B)); -} - -inline LLVMRustDIFlags &operator|=(LLVMRustDIFlags &A, LLVMRustDIFlags B) { - return A = A | B; -} - -inline bool isSet(LLVMRustDIFlags F) { return F != LLVMRustDIFlags::FlagZero; } - -inline LLVMRustDIFlags visibility(LLVMRustDIFlags F) { - return static_cast<LLVMRustDIFlags>(static_cast<uint32_t>(F) & 0x3); -} - -static DINode::DIFlags fromRust(LLVMRustDIFlags Flags) { - DINode::DIFlags Result = DINode::DIFlags::FlagZero; - - switch (visibility(Flags)) { - case LLVMRustDIFlags::FlagPrivate: - Result |= DINode::DIFlags::FlagPrivate; - break; - case LLVMRustDIFlags::FlagProtected: - Result |= DINode::DIFlags::FlagProtected; - break; - case LLVMRustDIFlags::FlagPublic: - Result |= DINode::DIFlags::FlagPublic; - break; - default: - // The rest are handled below - break; - } - - if (isSet(Flags & LLVMRustDIFlags::FlagFwdDecl)) { - Result |= DINode::DIFlags::FlagFwdDecl; - } - if (isSet(Flags & LLVMRustDIFlags::FlagAppleBlock)) { - Result |= DINode::DIFlags::FlagAppleBlock; - } - if (isSet(Flags & LLVMRustDIFlags::FlagVirtual)) { - Result |= DINode::DIFlags::FlagVirtual; - } - if (isSet(Flags & LLVMRustDIFlags::FlagArtificial)) { - Result |= DINode::DIFlags::FlagArtificial; - } - if (isSet(Flags & LLVMRustDIFlags::FlagExplicit)) { - Result |= DINode::DIFlags::FlagExplicit; - } - if (isSet(Flags & LLVMRustDIFlags::FlagPrototyped)) { - Result |= DINode::DIFlags::FlagPrototyped; - } - if (isSet(Flags & LLVMRustDIFlags::FlagObjcClassComplete)) { - Result |= DINode::DIFlags::FlagObjcClassComplete; - } - if (isSet(Flags & LLVMRustDIFlags::FlagObjectPointer)) { - Result |= DINode::DIFlags::FlagObjectPointer; - } - if (isSet(Flags & LLVMRustDIFlags::FlagVector)) { - Result |= DINode::DIFlags::FlagVector; - } - if (isSet(Flags & LLVMRustDIFlags::FlagStaticMember)) { - Result |= DINode::DIFlags::FlagStaticMember; - } - if (isSet(Flags & LLVMRustDIFlags::FlagLValueReference)) { - Result |= DINode::DIFlags::FlagLValueReference; - } - if (isSet(Flags & LLVMRustDIFlags::FlagRValueReference)) { - Result |= DINode::DIFlags::FlagRValueReference; - } - if (isSet(Flags & LLVMRustDIFlags::FlagIntroducedVirtual)) { - Result |= DINode::DIFlags::FlagIntroducedVirtual; - } - if (isSet(Flags & LLVMRustDIFlags::FlagBitField)) { - Result |= DINode::DIFlags::FlagBitField; - } - if (isSet(Flags & LLVMRustDIFlags::FlagNoReturn)) { - Result |= DINode::DIFlags::FlagNoReturn; - } - - return Result; +// FIXME(Zalathar): This is a temporary typedef to avoid churning dozens of +// bindings that are going to be deleted and replaced with their LLVM-C +// equivalents, as part of #134009. After that happens, the remaining bindings +// can be adjusted to use `LLVMDIFlags` instead of relying on this typedef. +typedef LLVMDIFlags LLVMRustDIFlags; + +// Statically assert that `LLVMDIFlags` (C) and `DIFlags` (C++) have the same +// layout, at least for the flags we know about. This isn't guaranteed, but is +// likely to remain true, and as long as it is true it makes conversions easy. +#define ASSERT_DIFLAG_VALUE(FLAG, VALUE) \ + static_assert((LLVMDI##FLAG == (VALUE)) && (DINode::DIFlags::FLAG == (VALUE))) +ASSERT_DIFLAG_VALUE(FlagZero, 0); +ASSERT_DIFLAG_VALUE(FlagPrivate, 1); +ASSERT_DIFLAG_VALUE(FlagProtected, 2); +ASSERT_DIFLAG_VALUE(FlagPublic, 3); +// Bit (1 << 1) is part of the private/protected/public values above. +ASSERT_DIFLAG_VALUE(FlagFwdDecl, 1 << 2); +ASSERT_DIFLAG_VALUE(FlagAppleBlock, 1 << 3); +ASSERT_DIFLAG_VALUE(FlagReservedBit4, 1 << 4); +ASSERT_DIFLAG_VALUE(FlagVirtual, 1 << 5); +ASSERT_DIFLAG_VALUE(FlagArtificial, 1 << 6); +ASSERT_DIFLAG_VALUE(FlagExplicit, 1 << 7); +ASSERT_DIFLAG_VALUE(FlagPrototyped, 1 << 8); +ASSERT_DIFLAG_VALUE(FlagObjcClassComplete, 1 << 9); +ASSERT_DIFLAG_VALUE(FlagObjectPointer, 1 << 10); +ASSERT_DIFLAG_VALUE(FlagVector, 1 << 11); +ASSERT_DIFLAG_VALUE(FlagStaticMember, 1 << 12); +ASSERT_DIFLAG_VALUE(FlagLValueReference, 1 << 13); +ASSERT_DIFLAG_VALUE(FlagRValueReference, 1 << 14); +// Bit (1 << 15) has been recycled, but the C API value hasn't been renamed. +static_assert((LLVMDIFlagReserved == (1 << 15)) && + (DINode::DIFlags::FlagExportSymbols == (1 << 15))); +ASSERT_DIFLAG_VALUE(FlagSingleInheritance, 1 << 16); +ASSERT_DIFLAG_VALUE(FlagMultipleInheritance, 2 << 16); +ASSERT_DIFLAG_VALUE(FlagVirtualInheritance, 3 << 16); +// Bit (1 << 17) is part of the inheritance values above. +ASSERT_DIFLAG_VALUE(FlagIntroducedVirtual, 1 << 18); +ASSERT_DIFLAG_VALUE(FlagBitField, 1 << 19); +ASSERT_DIFLAG_VALUE(FlagNoReturn, 1 << 20); +// Bit (1 << 21) is unused, but was `LLVMDIFlagMainSubprogram`. +ASSERT_DIFLAG_VALUE(FlagTypePassByValue, 1 << 22); +ASSERT_DIFLAG_VALUE(FlagTypePassByReference, 1 << 23); +ASSERT_DIFLAG_VALUE(FlagEnumClass, 1 << 24); +ASSERT_DIFLAG_VALUE(FlagThunk, 1 << 25); +ASSERT_DIFLAG_VALUE(FlagNonTrivial, 1 << 26); +ASSERT_DIFLAG_VALUE(FlagBigEndian, 1 << 27); +ASSERT_DIFLAG_VALUE(FlagLittleEndian, 1 << 28); +ASSERT_DIFLAG_VALUE(FlagIndirectVirtualBase, (1 << 2) | (1 << 5)); +#undef ASSERT_DIFLAG_VALUE + +// There are two potential ways to convert `LLVMDIFlags` to `DIFlags`: +// - Check and copy every individual bit/subvalue from input to output. +// - Statically assert that both have the same layout, and cast. +// As long as the static assertions succeed, a cast is easier and faster. +// In the (hopefully) unlikely event that the assertions do fail someday, and +// LLVM doesn't expose its own conversion function, we'll have to switch over +// to copying each bit/subvalue. +static DINode::DIFlags fromRust(LLVMDIFlags Flags) { + // Check that all set bits are covered by the static assertions above. + const unsigned UNKNOWN_BITS = (1 << 31) | (1 << 30) | (1 << 29) | (1 << 21); + if (Flags & UNKNOWN_BITS) { + report_fatal_error("bad LLVMDIFlags"); + } + + // As long as the static assertions are satisfied and no unknown bits are + // present, we can convert from `LLVMDIFlags` to `DIFlags` with a cast. + return static_cast<DINode::DIFlags>(Flags); } // These values **must** match debuginfo::DISPFlags! They also *happen* diff --git a/compiler/rustc_middle/src/hir/map/mod.rs b/compiler/rustc_middle/src/hir/map/mod.rs index 5d78bed5cf8..926760b84aa 100644 --- a/compiler/rustc_middle/src/hir/map/mod.rs +++ b/compiler/rustc_middle/src/hir/map/mod.rs @@ -12,7 +12,7 @@ use rustc_hir::*; use rustc_hir_pretty as pprust_hir; use rustc_middle::hir::nested_filter; use rustc_span::def_id::StableCrateId; -use rustc_span::{ErrorGuaranteed, Ident, Span, Symbol, kw, sym}; +use rustc_span::{ErrorGuaranteed, Ident, Span, Symbol, kw, sym, with_metavar_spans}; use crate::hir::ModuleItems; use crate::middle::debugger_visualizer::DebuggerVisualizerFile; @@ -1117,6 +1117,9 @@ pub(super) fn crate_hash(tcx: TyCtxt<'_>, _: LocalCrate) -> Svh { // the fly in the resolver, storing only their accumulated hash in `ResolverGlobalCtxt`, // and combining it with other hashes here. resolutions.visibilities_for_hashing.hash_stable(&mut hcx, &mut stable_hasher); + with_metavar_spans(|mspans| { + mspans.freeze_and_get_read_spans().hash_stable(&mut hcx, &mut stable_hasher); + }); stable_hasher.finish() }); diff --git a/compiler/rustc_mir_build/src/builder/matches/mod.rs b/compiler/rustc_mir_build/src/builder/matches/mod.rs index b944d13fb0d..b21ec8f3083 100644 --- a/compiler/rustc_mir_build/src/builder/matches/mod.rs +++ b/compiler/rustc_mir_build/src/builder/matches/mod.rs @@ -1986,6 +1986,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { return; } + let false_edge_start_block = candidate.subcandidates[0].false_edge_start_block; candidate.subcandidates.retain_mut(|candidate| { if candidate.extra_data.is_never { candidate.visit_leaves(|subcandidate| { @@ -2000,8 +2001,14 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { } }); if candidate.subcandidates.is_empty() { - // If `candidate` has become a leaf candidate, ensure it has a `pre_binding_block`. - candidate.pre_binding_block = Some(self.cfg.start_new_block()); + // If `candidate` has become a leaf candidate, ensure it has a `pre_binding_block` and `otherwise_block`. + let next_block = self.cfg.start_new_block(); + candidate.pre_binding_block = Some(next_block); + candidate.otherwise_block = Some(next_block); + // In addition, if `candidate` doesn't have `false_edge_start_block`, it should be assigned here. + if candidate.false_edge_start_block.is_none() { + candidate.false_edge_start_block = false_edge_start_block; + } } } diff --git a/compiler/rustc_next_trait_solver/src/solve/mod.rs b/compiler/rustc_next_trait_solver/src/solve/mod.rs index 37678bfd880..8d1194ee539 100644 --- a/compiler/rustc_next_trait_solver/src/solve/mod.rs +++ b/compiler/rustc_next_trait_solver/src/solve/mod.rs @@ -277,23 +277,7 @@ where param_env: I::ParamEnv, ty: I::Ty, ) -> Result<I::Ty, NoSolution> { - if let ty::Alias(..) = ty.kind() { - let normalized_ty = self.next_ty_infer(); - let alias_relate_goal = Goal::new( - self.cx(), - param_env, - ty::PredicateKind::AliasRelate( - ty.into(), - normalized_ty.into(), - ty::AliasRelationDirection::Equate, - ), - ); - self.add_goal(GoalSource::Misc, alias_relate_goal); - self.try_evaluate_added_goals()?; - Ok(self.resolve_vars_if_possible(normalized_ty)) - } else { - Ok(ty) - } + self.structurally_normalize_term(param_env, ty.into()).map(|term| term.expect_ty()) } /// Normalize a const for when it is structurally matched on, or more likely @@ -308,22 +292,34 @@ where param_env: I::ParamEnv, ct: I::Const, ) -> Result<I::Const, NoSolution> { - if let ty::ConstKind::Unevaluated(..) = ct.kind() { - let normalized_ct = self.next_const_infer(); + self.structurally_normalize_term(param_env, ct.into()).map(|term| term.expect_const()) + } + + /// Normalize a term for when it is structurally matched on. + /// + /// This function is necessary in nearly all cases before matching on a ty/const. + /// Not doing so is likely to be incomplete and therefore unsound during coherence. + fn structurally_normalize_term( + &mut self, + param_env: I::ParamEnv, + term: I::Term, + ) -> Result<I::Term, NoSolution> { + if let Some(_) = term.to_alias_term() { + let normalized_term = self.next_term_infer_of_kind(term); let alias_relate_goal = Goal::new( self.cx(), param_env, ty::PredicateKind::AliasRelate( - ct.into(), - normalized_ct.into(), + term, + normalized_term, ty::AliasRelationDirection::Equate, ), ); self.add_goal(GoalSource::Misc, alias_relate_goal); self.try_evaluate_added_goals()?; - Ok(self.resolve_vars_if_possible(normalized_ct)) + Ok(self.resolve_vars_if_possible(normalized_term)) } else { - Ok(ct) + Ok(term) } } diff --git a/compiler/rustc_parse/src/lib.rs b/compiler/rustc_parse/src/lib.rs index f963a424a7f..e681987ff07 100644 --- a/compiler/rustc_parse/src/lib.rs +++ b/compiler/rustc_parse/src/lib.rs @@ -11,18 +11,21 @@ #![feature(if_let_guard)] #![feature(iter_intersperse)] #![feature(let_chains)] +#![feature(string_from_utf8_lossy_owned)] #![warn(unreachable_pub)] // tidy-alphabetical-end -use std::path::Path; +use std::path::{Path, PathBuf}; +use std::str::Utf8Error; use rustc_ast as ast; use rustc_ast::tokenstream::TokenStream; use rustc_ast::{AttrItem, Attribute, MetaItemInner, token}; use rustc_ast_pretty::pprust; use rustc_data_structures::sync::Lrc; -use rustc_errors::{Diag, FatalError, PResult}; +use rustc_errors::{Diag, EmissionGuarantee, FatalError, PResult, pluralize}; use rustc_session::parse::ParseSess; +use rustc_span::source_map::SourceMap; use rustc_span::{FileName, SourceFile, Span}; pub use unicode_normalization::UNICODE_VERSION as UNICODE_NORMALIZATION_VERSION; @@ -73,9 +76,22 @@ pub fn new_parser_from_file<'a>( path: &Path, sp: Option<Span>, ) -> Result<Parser<'a>, Vec<Diag<'a>>> { - let source_file = psess.source_map().load_file(path).unwrap_or_else(|e| { - let msg = format!("couldn't read {}: {}", path.display(), e); + let sm = psess.source_map(); + let source_file = sm.load_file(path).unwrap_or_else(|e| { + let msg = format!("couldn't read `{}`: {}", path.display(), e); let mut err = psess.dcx().struct_fatal(msg); + if let Ok(contents) = std::fs::read(path) + && let Err(utf8err) = String::from_utf8(contents.clone()) + { + utf8_error( + sm, + &path.display().to_string(), + sp, + &mut err, + utf8err.utf8_error(), + &contents, + ); + } if let Some(sp) = sp { err.span(sp); } @@ -84,6 +100,49 @@ pub fn new_parser_from_file<'a>( new_parser_from_source_file(psess, source_file) } +pub fn utf8_error<E: EmissionGuarantee>( + sm: &SourceMap, + path: &str, + sp: Option<Span>, + err: &mut Diag<'_, E>, + utf8err: Utf8Error, + contents: &[u8], +) { + // The file exists, but it wasn't valid UTF-8. + let start = utf8err.valid_up_to(); + let note = format!("invalid utf-8 at byte `{start}`"); + let msg = if let Some(len) = utf8err.error_len() { + format!( + "byte{s} `{bytes}` {are} not valid utf-8", + bytes = if len == 1 { + format!("{:?}", contents[start]) + } else { + format!("{:?}", &contents[start..start + len]) + }, + s = pluralize!(len), + are = if len == 1 { "is" } else { "are" }, + ) + } else { + note.clone() + }; + let contents = String::from_utf8_lossy(contents).to_string(); + let source = sm.new_source_file(PathBuf::from(path).into(), contents); + let span = Span::with_root_ctxt( + source.normalized_byte_pos(start as u32), + source.normalized_byte_pos(start as u32), + ); + if span.is_dummy() { + err.note(note); + } else { + if sp.is_some() { + err.span_note(span, msg); + } else { + err.span(span); + err.span_label(span, msg); + } + } +} + /// Given a session and a `source_file`, return a parser. Returns any buffered errors from lexing /// the initial token stream. fn new_parser_from_source_file( diff --git a/compiler/rustc_parse/src/validate_attr.rs b/compiler/rustc_parse/src/validate_attr.rs index 8b6b37c0f8f..86f673c100c 100644 --- a/compiler/rustc_parse/src/validate_attr.rs +++ b/compiler/rustc_parse/src/validate_attr.rs @@ -11,7 +11,7 @@ use rustc_session::errors::report_lit_error; use rustc_session::lint::BuiltinLintDiag; use rustc_session::lint::builtin::{ILL_FORMED_ATTRIBUTE_INPUT, UNSAFE_ATTR_OUTSIDE_UNSAFE}; use rustc_session::parse::ParseSess; -use rustc_span::{BytePos, Span, Symbol, sym}; +use rustc_span::{Span, Symbol, sym}; use crate::{errors, parse_in}; @@ -164,11 +164,7 @@ pub fn check_attribute_safety(psess: &ParseSess, safety: AttributeSafety, attr: // wrapping it in `unsafe(...)`. Otherwise, we suggest putting the // `unsafe(`, `)` right after and right before the opening and closing // square bracket respectively. - let diag_span = if attr_item.span().can_be_used_for_suggestions() { - attr_item.span() - } else { - attr.span.with_lo(attr.span.lo() + BytePos(2)).with_hi(attr.span.hi() - BytePos(1)) - }; + let diag_span = attr_item.span(); if attr.span.at_least_rust_2024() { psess.dcx().emit_err(errors::UnsafeAttrOutsideUnsafe { diff --git a/compiler/rustc_query_system/src/query/job.rs b/compiler/rustc_query_system/src/query/job.rs index 3e179c61f39..a8c2aa98cd0 100644 --- a/compiler/rustc_query_system/src/query/job.rs +++ b/compiler/rustc_query_system/src/query/job.rs @@ -567,7 +567,7 @@ pub fn print_query_stack<Qcx: QueryContext>( qcx: Qcx, mut current_query: Option<QueryJobId>, dcx: DiagCtxtHandle<'_>, - num_frames: Option<usize>, + limit_frames: Option<usize>, mut file: Option<std::fs::File>, ) -> usize { // Be careful relying on global state here: this code is called from @@ -584,7 +584,7 @@ pub fn print_query_stack<Qcx: QueryContext>( let Some(query_info) = query_map.get(&query) else { break; }; - if Some(count_printed) < num_frames || num_frames.is_none() { + if Some(count_printed) < limit_frames || limit_frames.is_none() { // Only print to stderr as many stack frames as `num_frames` when present. // FIXME: needs translation #[allow(rustc::diagnostic_outside_of_impl)] @@ -615,5 +615,5 @@ pub fn print_query_stack<Qcx: QueryContext>( if let Some(ref mut file) = file { let _ = writeln!(file, "end of query stack"); } - count_printed + count_total } diff --git a/compiler/rustc_resolve/src/build_reduced_graph.rs b/compiler/rustc_resolve/src/build_reduced_graph.rs index 3fe1eed243f..eec9e9a8515 100644 --- a/compiler/rustc_resolve/src/build_reduced_graph.rs +++ b/compiler/rustc_resolve/src/build_reduced_graph.rs @@ -645,10 +645,10 @@ impl<'a, 'ra, 'tcx> BuildReducedGraphVisitor<'a, 'ra, 'tcx> { let self_spans = items .iter() .filter_map(|(use_tree, _)| { - if let ast::UseTreeKind::Simple(..) = use_tree.kind { - if use_tree.ident().name == kw::SelfLower { - return Some(use_tree.span); - } + if let ast::UseTreeKind::Simple(..) = use_tree.kind + && use_tree.ident().name == kw::SelfLower + { + return Some(use_tree.span); } None @@ -947,19 +947,19 @@ impl<'a, 'ra, 'tcx> BuildReducedGraphVisitor<'a, 'ra, 'tcx> { let imported_binding = self.r.import(binding, import); if parent == self.r.graph_root { let ident = ident.normalize_to_macros_2_0(); - if let Some(entry) = self.r.extern_prelude.get(&ident) { - if expansion != LocalExpnId::ROOT && orig_name.is_some() && !entry.is_import() { - self.r.dcx().emit_err( - errors::MacroExpandedExternCrateCannotShadowExternArguments { - span: item.span, - }, - ); - // `return` is intended to discard this binding because it's an - // unregistered ambiguity error which would result in a panic - // caused by inconsistency `path_res` - // more details: https://github.com/rust-lang/rust/pull/111761 - return; - } + if let Some(entry) = self.r.extern_prelude.get(&ident) + && expansion != LocalExpnId::ROOT + && orig_name.is_some() + && !entry.is_import() + { + self.r.dcx().emit_err( + errors::MacroExpandedExternCrateCannotShadowExternArguments { span: item.span }, + ); + // `return` is intended to discard this binding because it's an + // unregistered ambiguity error which would result in a panic + // caused by inconsistency `path_res` + // more details: https://github.com/rust-lang/rust/pull/111761 + return; } let entry = self .r @@ -1040,10 +1040,10 @@ impl<'a, 'ra, 'tcx> BuildReducedGraphVisitor<'a, 'ra, 'tcx> { span: item.span, }); } - if let ItemKind::ExternCrate(Some(orig_name)) = item.kind { - if orig_name == kw::SelfLower { - self.r.dcx().emit_err(errors::MacroUseExternCrateSelf { span: attr.span }); - } + if let ItemKind::ExternCrate(Some(orig_name)) = item.kind + && orig_name == kw::SelfLower + { + self.r.dcx().emit_err(errors::MacroUseExternCrateSelf { span: attr.span }); } let ill_formed = |span| { self.r.dcx().emit_err(errors::BadMacroImport { span }); @@ -1179,14 +1179,12 @@ impl<'a, 'ra, 'tcx> BuildReducedGraphVisitor<'a, 'ra, 'tcx> { return Some((MacroKind::Bang, item.ident, item.span)); } else if ast::attr::contains_name(&item.attrs, sym::proc_macro_attribute) { return Some((MacroKind::Attr, item.ident, item.span)); - } else if let Some(attr) = ast::attr::find_by_name(&item.attrs, sym::proc_macro_derive) { - if let Some(meta_item_inner) = + } else if let Some(attr) = ast::attr::find_by_name(&item.attrs, sym::proc_macro_derive) + && let Some(meta_item_inner) = attr.meta_item_list().and_then(|list| list.get(0).cloned()) - { - if let Some(ident) = meta_item_inner.ident() { - return Some((MacroKind::Derive, ident, ident.span)); - } - } + && let Some(ident) = meta_item_inner.ident() + { + return Some((MacroKind::Derive, ident, ident.span)); } None } diff --git a/compiler/rustc_resolve/src/diagnostics.rs b/compiler/rustc_resolve/src/diagnostics.rs index ba217b7c88a..43e4e4d591f 100644 --- a/compiler/rustc_resolve/src/diagnostics.rs +++ b/compiler/rustc_resolve/src/diagnostics.rs @@ -225,10 +225,8 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { let (name, span) = (ident.name, self.tcx.sess.source_map().guess_head_span(new_binding.span)); - if let Some(s) = self.name_already_seen.get(&name) { - if s == &span { - return; - } + if self.name_already_seen.get(&name) == Some(&span) { + return; } let old_kind = match (ns, old_binding.module()) { @@ -380,20 +378,14 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { suggestion = Some(format!("self as {suggested_name}")) } ImportKind::Single { source, .. } => { - if let Some(pos) = - source.span.hi().0.checked_sub(binding_span.lo().0).map(|pos| pos as usize) + if let Some(pos) = source.span.hi().0.checked_sub(binding_span.lo().0) + && let Ok(snippet) = self.tcx.sess.source_map().span_to_snippet(binding_span) + && pos as usize <= snippet.len() { - if let Ok(snippet) = self.tcx.sess.source_map().span_to_snippet(binding_span) { - if pos <= snippet.len() { - span = binding_span - .with_lo(binding_span.lo() + BytePos(pos as u32)) - .with_hi( - binding_span.hi() - - BytePos(if snippet.ends_with(';') { 1 } else { 0 }), - ); - suggestion = Some(format!(" as {suggested_name}")); - } - } + span = binding_span.with_lo(binding_span.lo() + BytePos(pos)).with_hi( + binding_span.hi() - BytePos(if snippet.ends_with(';') { 1 } else { 0 }), + ); + suggestion = Some(format!(" as {suggested_name}")); } } ImportKind::ExternCrate { source, target, .. } => { @@ -510,13 +502,12 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { // If the first element of our path was actually resolved to an // `ExternCrate` (also used for `crate::...`) then no need to issue a // warning, this looks all good! - if let Some(binding) = second_binding { - if let NameBindingKind::Import { import, .. } = binding.kind { - // Careful: we still want to rewrite paths from renamed extern crates. - if let ImportKind::ExternCrate { source: None, .. } = import.kind { - return; - } - } + if let Some(binding) = second_binding + && let NameBindingKind::Import { import, .. } = binding.kind + // Careful: we still want to rewrite paths from renamed extern crates. + && let ImportKind::ExternCrate { source: None, .. } = import.kind + { + return; } let diag = BuiltinLintDiag::AbsPathWithModule(root_span); @@ -1047,20 +1038,21 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { if filter_fn(res) { for derive in parent_scope.derives { let parent_scope = &ParentScope { derives: &[], ..*parent_scope }; - if let Ok((Some(ext), _)) = this.resolve_macro_path( + let Ok((Some(ext), _)) = this.resolve_macro_path( derive, Some(MacroKind::Derive), parent_scope, false, false, None, - ) { - suggestions.extend( - ext.helper_attrs - .iter() - .map(|name| TypoSuggestion::typo_from_name(*name, res)), - ); - } + ) else { + continue; + }; + suggestions.extend( + ext.helper_attrs + .iter() + .map(|name| TypoSuggestion::typo_from_name(*name, res)), + ); } } } @@ -1215,12 +1207,11 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { } // #90113: Do not count an inaccessible reexported item as a candidate. - if let NameBindingKind::Import { binding, .. } = name_binding.kind { - if this.is_accessible_from(binding.vis, parent_scope.module) - && !this.is_accessible_from(name_binding.vis, parent_scope.module) - { - return; - } + if let NameBindingKind::Import { binding, .. } = name_binding.kind + && this.is_accessible_from(binding.vis, parent_scope.module) + && !this.is_accessible_from(name_binding.vis, parent_scope.module) + { + return; } let res = name_binding.res(); @@ -1253,14 +1244,13 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { segms.push(ast::PathSegment::from_ident(ident)); let path = Path { span: name_binding.span, segments: segms, tokens: None }; - if child_accessible { + if child_accessible // Remove invisible match if exists - if let Some(idx) = candidates + && let Some(idx) = candidates .iter() .position(|v: &ImportSuggestion| v.did == did && !v.accessible) - { - candidates.remove(idx); - } + { + candidates.remove(idx); } if candidates.iter().all(|v: &ImportSuggestion| v.did != did) { @@ -1373,48 +1363,50 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { // otherwise cause duplicate suggestions. continue; } - let crate_id = self.crate_loader(|c| c.maybe_process_path_extern(ident.name)); - if let Some(crate_id) = crate_id { - let crate_def_id = crate_id.as_def_id(); - let crate_root = self.expect_module(crate_def_id); - - // Check if there's already an item in scope with the same name as the crate. - // If so, we have to disambiguate the potential import suggestions by making - // the paths *global* (i.e., by prefixing them with `::`). - let needs_disambiguation = - self.resolutions(parent_scope.module).borrow().iter().any( - |(key, name_resolution)| { - if key.ns == TypeNS - && key.ident == ident - && let Some(binding) = name_resolution.borrow().binding - { - match binding.res() { - // No disambiguation needed if the identically named item we - // found in scope actually refers to the crate in question. - Res::Def(_, def_id) => def_id != crate_def_id, - Res::PrimTy(_) => true, - _ => false, - } - } else { - false - } - }, - ); - let mut crate_path = ThinVec::new(); - if needs_disambiguation { - crate_path.push(ast::PathSegment::path_root(rustc_span::DUMMY_SP)); - } - crate_path.push(ast::PathSegment::from_ident(ident)); + let Some(crate_id) = self.crate_loader(|c| c.maybe_process_path_extern(ident.name)) + else { + continue; + }; - suggestions.extend(self.lookup_import_candidates_from_module( - lookup_ident, - namespace, - parent_scope, - crate_root, - crate_path, - &filter_fn, - )); + let crate_def_id = crate_id.as_def_id(); + let crate_root = self.expect_module(crate_def_id); + + // Check if there's already an item in scope with the same name as the crate. + // If so, we have to disambiguate the potential import suggestions by making + // the paths *global* (i.e., by prefixing them with `::`). + let needs_disambiguation = + self.resolutions(parent_scope.module).borrow().iter().any( + |(key, name_resolution)| { + if key.ns == TypeNS + && key.ident == ident + && let Some(binding) = name_resolution.borrow().binding + { + match binding.res() { + // No disambiguation needed if the identically named item we + // found in scope actually refers to the crate in question. + Res::Def(_, def_id) => def_id != crate_def_id, + Res::PrimTy(_) => true, + _ => false, + } + } else { + false + } + }, + ); + let mut crate_path = ThinVec::new(); + if needs_disambiguation { + crate_path.push(ast::PathSegment::path_root(rustc_span::DUMMY_SP)); } + crate_path.push(ast::PathSegment::from_ident(ident)); + + suggestions.extend(self.lookup_import_candidates_from_module( + lookup_ident, + namespace, + parent_scope, + crate_root, + crate_path, + &filter_fn, + )); } } @@ -1511,7 +1503,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { }); } for ns in [Namespace::MacroNS, Namespace::TypeNS, Namespace::ValueNS] { - if let Ok(binding) = self.early_resolve_ident_in_lexical_scope( + let Ok(binding) = self.early_resolve_ident_in_lexical_scope( ident, ScopeSet::All(ns), parent_scope, @@ -1519,53 +1511,53 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { false, None, None, - ) { - let desc = match binding.res() { - Res::Def(DefKind::Macro(MacroKind::Bang), _) => { - "a function-like macro".to_string() - } - Res::Def(DefKind::Macro(MacroKind::Attr), _) | Res::NonMacroAttr(..) => { - format!("an attribute: `#[{ident}]`") - } - Res::Def(DefKind::Macro(MacroKind::Derive), _) => { - format!("a derive macro: `#[derive({ident})]`") - } - Res::ToolMod => { - // Don't confuse the user with tool modules. - continue; - } - Res::Def(DefKind::Trait, _) if macro_kind == MacroKind::Derive => { - "only a trait, without a derive macro".to_string() - } - res => format!( - "{} {}, not {} {}", - res.article(), - res.descr(), - macro_kind.article(), - macro_kind.descr_expected(), - ), - }; - if let crate::NameBindingKind::Import { import, .. } = binding.kind { - if !import.span.is_dummy() { - let note = errors::IdentImporterHereButItIsDesc { - span: import.span, - imported_ident: ident, - imported_ident_desc: &desc, - }; - err.subdiagnostic(note); - // Silence the 'unused import' warning we might get, - // since this diagnostic already covers that import. - self.record_use(ident, binding, Used::Other); - return; - } + ) else { + continue; + }; + + let desc = match binding.res() { + Res::Def(DefKind::Macro(MacroKind::Bang), _) => "a function-like macro".to_string(), + Res::Def(DefKind::Macro(MacroKind::Attr), _) | Res::NonMacroAttr(..) => { + format!("an attribute: `#[{ident}]`") + } + Res::Def(DefKind::Macro(MacroKind::Derive), _) => { + format!("a derive macro: `#[derive({ident})]`") + } + Res::ToolMod => { + // Don't confuse the user with tool modules. + continue; + } + Res::Def(DefKind::Trait, _) if macro_kind == MacroKind::Derive => { + "only a trait, without a derive macro".to_string() } - let note = errors::IdentInScopeButItIsDesc { + res => format!( + "{} {}, not {} {}", + res.article(), + res.descr(), + macro_kind.article(), + macro_kind.descr_expected(), + ), + }; + if let crate::NameBindingKind::Import { import, .. } = binding.kind + && !import.span.is_dummy() + { + let note = errors::IdentImporterHereButItIsDesc { + span: import.span, imported_ident: ident, imported_ident_desc: &desc, }; err.subdiagnostic(note); + // Silence the 'unused import' warning we might get, + // since this diagnostic already covers that import. + self.record_use(ident, binding, Used::Other); return; } + let note = errors::IdentInScopeButItIsDesc { + imported_ident: ident, + imported_ident_desc: &desc, + }; + err.subdiagnostic(note); + return; } } @@ -1749,15 +1741,16 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { /// If the binding refers to a tuple struct constructor with fields, /// returns the span of its fields. fn ctor_fields_span(&self, binding: NameBinding<'_>) -> Option<Span> { - if let NameBindingKind::Res(Res::Def( + let NameBindingKind::Res(Res::Def( DefKind::Ctor(CtorOf::Struct, CtorKind::Fn), ctor_def_id, )) = binding.kind - { - let def_id = self.tcx.parent(ctor_def_id); - return self.field_idents(def_id)?.iter().map(|&f| f.span).reduce(Span::to); // None for `struct Foo()` - } - None + else { + return None; + }; + + let def_id = self.tcx.parent(ctor_def_id); + self.field_idents(def_id)?.iter().map(|&f| f.span).reduce(Span::to) // None for `struct Foo()` } fn report_privacy_error(&mut self, privacy_error: &PrivacyError<'ra>) { @@ -1983,10 +1976,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { .collect::<Vec<_>>(); candidates.sort(); candidates.dedup(); - match find_best_match_for_name(&candidates, ident, None) { - Some(sugg) if sugg == ident => None, - sugg => sugg, - } + find_best_match_for_name(&candidates, ident, None).filter(|sugg| *sugg != ident) } pub(crate) fn report_path_resolution_error( @@ -2410,115 +2400,115 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { let binding_key = BindingKey::new(ident, MacroNS); let resolution = resolutions.get(&binding_key)?; let binding = resolution.borrow().binding()?; - if let Res::Def(DefKind::Macro(MacroKind::Bang), _) = binding.res() { - let module_name = crate_module.kind.name().unwrap(); - let import_snippet = match import.kind { - ImportKind::Single { source, target, .. } if source != target => { - format!("{source} as {target}") - } - _ => format!("{ident}"), - }; + let Res::Def(DefKind::Macro(MacroKind::Bang), _) = binding.res() else { + return None; + }; + let module_name = crate_module.kind.name().unwrap(); + let import_snippet = match import.kind { + ImportKind::Single { source, target, .. } if source != target => { + format!("{source} as {target}") + } + _ => format!("{ident}"), + }; - let mut corrections: Vec<(Span, String)> = Vec::new(); - if !import.is_nested() { - // Assume this is the easy case of `use issue_59764::foo::makro;` and just remove - // intermediate segments. - corrections.push((import.span, format!("{module_name}::{import_snippet}"))); - } else { - // Find the binding span (and any trailing commas and spaces). - // ie. `use a::b::{c, d, e};` - // ^^^ - let (found_closing_brace, binding_span) = find_span_of_binding_until_next_binding( - self.tcx.sess, - import.span, - import.use_span, - ); - debug!(found_closing_brace, ?binding_span); - - let mut removal_span = binding_span; - if found_closing_brace { - // If the binding span ended with a closing brace, as in the below example: - // ie. `use a::b::{c, d};` - // ^ - // Then expand the span of characters to remove to include the previous - // binding's trailing comma. - // ie. `use a::b::{c, d};` - // ^^^ - if let Some(previous_span) = - extend_span_to_previous_binding(self.tcx.sess, binding_span) - { - debug!(?previous_span); - removal_span = removal_span.with_lo(previous_span.lo()); - } - } - debug!(?removal_span); - - // Remove the `removal_span`. - corrections.push((removal_span, "".to_string())); - - // Find the span after the crate name and if it has nested imports immediately - // after the crate name already. - // ie. `use a::b::{c, d};` - // ^^^^^^^^^ - // or `use a::{b, c, d}};` - // ^^^^^^^^^^^ - let (has_nested, after_crate_name) = find_span_immediately_after_crate_name( - self.tcx.sess, - module_name, - import.use_span, - ); - debug!(has_nested, ?after_crate_name); + let mut corrections: Vec<(Span, String)> = Vec::new(); + if !import.is_nested() { + // Assume this is the easy case of `use issue_59764::foo::makro;` and just remove + // intermediate segments. + corrections.push((import.span, format!("{module_name}::{import_snippet}"))); + } else { + // Find the binding span (and any trailing commas and spaces). + // ie. `use a::b::{c, d, e};` + // ^^^ + let (found_closing_brace, binding_span) = find_span_of_binding_until_next_binding( + self.tcx.sess, + import.span, + import.use_span, + ); + debug!(found_closing_brace, ?binding_span); + + let mut removal_span = binding_span; + + // If the binding span ended with a closing brace, as in the below example: + // ie. `use a::b::{c, d};` + // ^ + // Then expand the span of characters to remove to include the previous + // binding's trailing comma. + // ie. `use a::b::{c, d};` + // ^^^ + if found_closing_brace + && let Some(previous_span) = + extend_span_to_previous_binding(self.tcx.sess, binding_span) + { + debug!(?previous_span); + removal_span = removal_span.with_lo(previous_span.lo()); + } + debug!(?removal_span); - let source_map = self.tcx.sess.source_map(); + // Remove the `removal_span`. + corrections.push((removal_span, "".to_string())); - // Make sure this is actually crate-relative. - let is_definitely_crate = import - .module_path - .first() - .is_some_and(|f| f.ident.name != kw::SelfLower && f.ident.name != kw::Super); + // Find the span after the crate name and if it has nested imports immediately + // after the crate name already. + // ie. `use a::b::{c, d};` + // ^^^^^^^^^ + // or `use a::{b, c, d}};` + // ^^^^^^^^^^^ + let (has_nested, after_crate_name) = + find_span_immediately_after_crate_name(self.tcx.sess, module_name, import.use_span); + debug!(has_nested, ?after_crate_name); - // Add the import to the start, with a `{` if required. - let start_point = source_map.start_point(after_crate_name); - if is_definitely_crate - && let Ok(start_snippet) = source_map.span_to_snippet(start_point) - { - corrections.push(( - start_point, - if has_nested { - // In this case, `start_snippet` must equal '{'. - format!("{start_snippet}{import_snippet}, ") - } else { - // In this case, add a `{`, then the moved import, then whatever - // was there before. - format!("{{{import_snippet}, {start_snippet}") - }, - )); + let source_map = self.tcx.sess.source_map(); - // Add a `};` to the end if nested, matching the `{` added at the start. - if !has_nested { - corrections - .push((source_map.end_point(after_crate_name), "};".to_string())); - } - } else { - // If the root import is module-relative, add the import separately - corrections.push(( - import.use_span.shrink_to_lo(), - format!("use {module_name}::{import_snippet};\n"), - )); + // Make sure this is actually crate-relative. + let is_definitely_crate = import + .module_path + .first() + .is_some_and(|f| f.ident.name != kw::SelfLower && f.ident.name != kw::Super); + + // Add the import to the start, with a `{` if required. + let start_point = source_map.start_point(after_crate_name); + if is_definitely_crate + && let Ok(start_snippet) = source_map.span_to_snippet(start_point) + { + corrections.push(( + start_point, + if has_nested { + // In this case, `start_snippet` must equal '{'. + format!("{start_snippet}{import_snippet}, ") + } else { + // In this case, add a `{`, then the moved import, then whatever + // was there before. + format!("{{{import_snippet}, {start_snippet}") + }, + )); + + // Add a `};` to the end if nested, matching the `{` added at the start. + if !has_nested { + corrections.push((source_map.end_point(after_crate_name), "};".to_string())); } + } else { + // If the root import is module-relative, add the import separately + corrections.push(( + import.use_span.shrink_to_lo(), + format!("use {module_name}::{import_snippet};\n"), + )); } + } - let suggestion = Some(( - corrections, - String::from("a macro with this name exists at the root of the crate"), - Applicability::MaybeIncorrect, - )); - Some((suggestion, Some("this could be because a macro annotated with `#[macro_export]` will be exported \ + let suggestion = Some(( + corrections, + String::from("a macro with this name exists at the root of the crate"), + Applicability::MaybeIncorrect, + )); + Some(( + suggestion, + Some( + "this could be because a macro annotated with `#[macro_export]` will be exported \ at the root of the crate instead of the module where it is defined" - .to_string()))) - } else { - None - } + .to_string(), + ), + )) } /// Finds a cfg-ed out item inside `module` with the matching name. @@ -3042,7 +3032,6 @@ impl<'tcx> visit::Visitor<'tcx> for UsePlacementFinder { self.first_legal_span = Some(inject); } self.first_use_span = search_for_any_use_in_items(&c.items); - return; } else { visit::walk_crate(self, c); } @@ -3056,7 +3045,6 @@ impl<'tcx> visit::Visitor<'tcx> for UsePlacementFinder { self.first_legal_span = Some(inject); } self.first_use_span = search_for_any_use_in_items(items); - return; } } else { visit::walk_item(self, item); @@ -3066,16 +3054,16 @@ impl<'tcx> visit::Visitor<'tcx> for UsePlacementFinder { fn search_for_any_use_in_items(items: &[P<ast::Item>]) -> Option<Span> { for item in items { - if let ItemKind::Use(..) = item.kind { - if is_span_suitable_for_use_injection(item.span) { - let mut lo = item.span.lo(); - for attr in &item.attrs { - if attr.span.eq_ctxt(item.span) { - lo = std::cmp::min(lo, attr.span.lo()); - } + if let ItemKind::Use(..) = item.kind + && is_span_suitable_for_use_injection(item.span) + { + let mut lo = item.span.lo(); + for attr in &item.attrs { + if attr.span.eq_ctxt(item.span) { + lo = std::cmp::min(lo, attr.span.lo()); } - return Some(Span::new(lo, lo, item.span.ctxt(), item.span.parent())); } + return Some(Span::new(lo, lo, item.span.ctxt(), item.span.parent())); } } None diff --git a/compiler/rustc_resolve/src/effective_visibilities.rs b/compiler/rustc_resolve/src/effective_visibilities.rs index e279d14704e..6ef4aa40725 100644 --- a/compiler/rustc_resolve/src/effective_visibilities.rs +++ b/compiler/rustc_resolve/src/effective_visibilities.rs @@ -118,37 +118,38 @@ impl<'a, 'ra, 'tcx> EffectiveVisibilitiesVisitor<'a, 'ra, 'tcx> { let resolutions = self.r.resolutions(module); for (_, name_resolution) in resolutions.borrow().iter() { - if let Some(mut binding) = name_resolution.borrow().binding() { - // Set the given effective visibility level to `Level::Direct` and - // sets the rest of the `use` chain to `Level::Reexported` until - // we hit the actual exported item. - // - // If the binding is ambiguous, put the root ambiguity binding and all reexports - // leading to it into the table. They are used by the `ambiguous_glob_reexports` - // lint. For all bindings added to the table this way `is_ambiguity` returns true. - let is_ambiguity = - |binding: NameBinding<'ra>, warn: bool| binding.ambiguity.is_some() && !warn; - let mut parent_id = ParentId::Def(module_id); - let mut warn_ambiguity = binding.warn_ambiguity; - while let NameBindingKind::Import { binding: nested_binding, .. } = binding.kind { - self.update_import(binding, parent_id); + let Some(mut binding) = name_resolution.borrow().binding() else { + continue; + }; + // Set the given effective visibility level to `Level::Direct` and + // sets the rest of the `use` chain to `Level::Reexported` until + // we hit the actual exported item. + // + // If the binding is ambiguous, put the root ambiguity binding and all reexports + // leading to it into the table. They are used by the `ambiguous_glob_reexports` + // lint. For all bindings added to the table this way `is_ambiguity` returns true. + let is_ambiguity = + |binding: NameBinding<'ra>, warn: bool| binding.ambiguity.is_some() && !warn; + let mut parent_id = ParentId::Def(module_id); + let mut warn_ambiguity = binding.warn_ambiguity; + while let NameBindingKind::Import { binding: nested_binding, .. } = binding.kind { + self.update_import(binding, parent_id); - if is_ambiguity(binding, warn_ambiguity) { - // Stop at the root ambiguity, further bindings in the chain should not - // be reexported because the root ambiguity blocks any access to them. - // (Those further bindings are most likely not ambiguities themselves.) - break; - } - - parent_id = ParentId::Import(binding); - binding = nested_binding; - warn_ambiguity |= nested_binding.warn_ambiguity; - } - if !is_ambiguity(binding, warn_ambiguity) - && let Some(def_id) = binding.res().opt_def_id().and_then(|id| id.as_local()) - { - self.update_def(def_id, binding.vis.expect_local(), parent_id); + if is_ambiguity(binding, warn_ambiguity) { + // Stop at the root ambiguity, further bindings in the chain should not + // be reexported because the root ambiguity blocks any access to them. + // (Those further bindings are most likely not ambiguities themselves.) + break; } + + parent_id = ParentId::Import(binding); + binding = nested_binding; + warn_ambiguity |= nested_binding.warn_ambiguity; + } + if !is_ambiguity(binding, warn_ambiguity) + && let Some(def_id) = binding.res().opt_def_id().and_then(|id| id.as_local()) + { + self.update_def(def_id, binding.vis.expect_local(), parent_id); } } } diff --git a/compiler/rustc_resolve/src/ident.rs b/compiler/rustc_resolve/src/ident.rs index 45e87edc53e..a3d3e87ade0 100644 --- a/compiler/rustc_resolve/src/ident.rs +++ b/compiler/rustc_resolve/src/ident.rs @@ -246,23 +246,21 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { // ---- end // ``` // So we have to fall back to the module's parent during lexical resolution in this case. - if derive_fallback_lint_id.is_some() { - if let Some(parent) = module.parent { - // Inner module is inside the macro, parent module is outside of the macro. - if module.expansion != parent.expansion - && module.expansion.is_descendant_of(parent.expansion) - { - // The macro is a proc macro derive - if let Some(def_id) = module.expansion.expn_data().macro_def_id { - let ext = &self.get_macro_by_def_id(def_id).ext; - if ext.builtin_name.is_none() - && ext.macro_kind() == MacroKind::Derive - && parent.expansion.outer_expn_is_descendant_of(*ctxt) - { - return Some((parent, derive_fallback_lint_id)); - } - } - } + if derive_fallback_lint_id.is_some() + && let Some(parent) = module.parent + // Inner module is inside the macro + && module.expansion != parent.expansion + // Parent module is outside of the macro + && module.expansion.is_descendant_of(parent.expansion) + // The macro is a proc macro derive + && let Some(def_id) = module.expansion.expn_data().macro_def_id + { + let ext = &self.get_macro_by_def_id(def_id).ext; + if ext.builtin_name.is_none() + && ext.macro_kind() == MacroKind::Derive + && parent.expansion.outer_expn_is_descendant_of(*ctxt) + { + return Some((parent, derive_fallback_lint_id)); } } @@ -593,8 +591,8 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { }, Scope::StdLibPrelude => { let mut result = Err(Determinacy::Determined); - if let Some(prelude) = this.prelude { - if let Ok(binding) = this.resolve_ident_in_module_unadjusted( + if let Some(prelude) = this.prelude + && let Ok(binding) = this.resolve_ident_in_module_unadjusted( ModuleOrUniformRoot::Module(prelude), ident, ns, @@ -603,14 +601,13 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { None, ignore_binding, ignore_import, - ) { - if matches!(use_prelude, UsePrelude::Yes) - || this.is_builtin_macro(binding.res()) - { - result = Ok((binding, Flags::MISC_FROM_PRELUDE)); - } - } + ) + && (matches!(use_prelude, UsePrelude::Yes) + || this.is_builtin_macro(binding.res())) + { + result = Ok((binding, Flags::MISC_FROM_PRELUDE)); } + result } Scope::BuiltinTypes => match this.builtin_types_bindings.get(&ident.name) { @@ -939,10 +936,10 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { }; // Items and single imports are not shadowable, if we have one, then it's determined. - if let Some(binding) = binding { - if !binding.is_glob_import() { - return check_usable(self, binding); - } + if let Some(binding) = binding + && !binding.is_glob_import() + { + return check_usable(self, binding); } // --- From now on we either have a glob resolution or no resolution. --- @@ -1437,13 +1434,12 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { for (segment_idx, &Segment { ident, id, .. }) in path.iter().enumerate() { debug!("resolve_path ident {} {:?} {:?}", segment_idx, ident, id); let record_segment_res = |this: &mut Self, res| { - if finalize.is_some() { - if let Some(id) = id { - if !this.partial_res_map.contains_key(&id) { - assert!(id != ast::DUMMY_NODE_ID, "Trying to resolve dummy id"); - this.record_partial_res(id, PartialRes::new(res)); - } - } + if finalize.is_some() + && let Some(id) = id + && !this.partial_res_map.contains_key(&id) + { + assert!(id != ast::DUMMY_NODE_ID, "Trying to resolve dummy id"); + this.record_partial_res(id, PartialRes::new(res)); } }; @@ -1463,13 +1459,12 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { _ => None, }, }; - if let Some(self_module) = self_module { - if let Some(parent) = self_module.parent { - module = Some(ModuleOrUniformRoot::Module( - self.resolve_self(&mut ctxt, parent), - )); - continue; - } + if let Some(self_module) = self_module + && let Some(parent) = self_module.parent + { + module = + Some(ModuleOrUniformRoot::Module(self.resolve_self(&mut ctxt, parent))); + continue; } return PathResult::failed( ident, @@ -1644,13 +1639,14 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { } Err(Undetermined) => return PathResult::Indeterminate, Err(Determined) => { - if let Some(ModuleOrUniformRoot::Module(module)) = module { - if opt_ns.is_some() && !module.is_normal() { - return PathResult::NonModule(PartialRes::with_unresolved_segments( - module.res().unwrap(), - path.len() - segment_idx, - )); - } + if let Some(ModuleOrUniformRoot::Module(module)) = module + && opt_ns.is_some() + && !module.is_normal() + { + return PathResult::NonModule(PartialRes::with_unresolved_segments( + module.res().unwrap(), + path.len() - segment_idx, + )); } return PathResult::failed( diff --git a/compiler/rustc_resolve/src/imports.rs b/compiler/rustc_resolve/src/imports.rs index 29b4d913c82..d555c938770 100644 --- a/compiler/rustc_resolve/src/imports.rs +++ b/compiler/rustc_resolve/src/imports.rs @@ -287,12 +287,11 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { binding.vis }; - if let ImportKind::Glob { ref max_vis, .. } = import.kind { - if vis == import_vis - || max_vis.get().is_none_or(|max_vis| vis.is_at_least(max_vis, self.tcx)) - { - max_vis.set(Some(vis.expect_local())) - } + if let ImportKind::Glob { ref max_vis, .. } = import.kind + && (vis == import_vis + || max_vis.get().is_none_or(|max_vis| vis.is_at_least(max_vis, self.tcx))) + { + max_vis.set(Some(vis.expect_local())) } self.arenas.alloc_name_binding(NameBindingData { @@ -543,31 +542,28 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { // resolution for it so that later resolve stages won't complain. self.import_dummy_binding(*import, is_indeterminate); - if let Some(err) = unresolved_import_error { - glob_error |= import.is_glob(); + let Some(err) = unresolved_import_error else { continue }; - if let ImportKind::Single { source, ref source_bindings, .. } = import.kind { - if source.name == kw::SelfLower { - // Silence `unresolved import` error if E0429 is already emitted - if let Err(Determined) = source_bindings.value_ns.get() { - continue; - } - } - } + glob_error |= import.is_glob(); - if prev_root_id != NodeId::ZERO - && prev_root_id != import.root_id - && !errors.is_empty() - { - // In the case of a new import line, throw a diagnostic message - // for the previous line. - self.throw_unresolved_import_error(errors, glob_error); - errors = vec![]; - } - if seen_spans.insert(err.span) { - errors.push((*import, err)); - prev_root_id = import.root_id; - } + if let ImportKind::Single { source, ref source_bindings, .. } = import.kind + && source.name == kw::SelfLower + // Silence `unresolved import` error if E0429 is already emitted + && let Err(Determined) = source_bindings.value_ns.get() + { + continue; + } + + if prev_root_id != NodeId::ZERO && prev_root_id != import.root_id && !errors.is_empty() + { + // In the case of a new import line, throw a diagnostic message + // for the previous line. + self.throw_unresolved_import_error(errors, glob_error); + errors = vec![]; + } + if seen_spans.insert(err.span) { + errors.push((*import, err)); + prev_root_id = import.root_id; } } @@ -609,60 +605,60 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { for (key, resolution) in self.resolutions(*module).borrow().iter() { let resolution = resolution.borrow(); - if let Some(binding) = resolution.binding { - if let NameBindingKind::Import { import, .. } = binding.kind - && let Some((amb_binding, _)) = binding.ambiguity - && binding.res() != Res::Err - && exported_ambiguities.contains(&binding) + let Some(binding) = resolution.binding else { continue }; + + if let NameBindingKind::Import { import, .. } = binding.kind + && let Some((amb_binding, _)) = binding.ambiguity + && binding.res() != Res::Err + && exported_ambiguities.contains(&binding) + { + self.lint_buffer.buffer_lint( + AMBIGUOUS_GLOB_REEXPORTS, + import.root_id, + import.root_span, + BuiltinLintDiag::AmbiguousGlobReexports { + name: key.ident.to_string(), + namespace: key.ns.descr().to_string(), + first_reexport_span: import.root_span, + duplicate_reexport_span: amb_binding.span, + }, + ); + } + + if let Some(glob_binding) = resolution.shadowed_glob { + let binding_id = match binding.kind { + NameBindingKind::Res(res) => { + Some(self.def_id_to_node_id[res.def_id().expect_local()]) + } + NameBindingKind::Module(module) => { + Some(self.def_id_to_node_id[module.def_id().expect_local()]) + } + NameBindingKind::Import { import, .. } => import.id(), + }; + + if binding.res() != Res::Err + && glob_binding.res() != Res::Err + && let NameBindingKind::Import { import: glob_import, .. } = + glob_binding.kind + && let Some(binding_id) = binding_id + && let Some(glob_import_id) = glob_import.id() + && let glob_import_def_id = self.local_def_id(glob_import_id) + && self.effective_visibilities.is_exported(glob_import_def_id) + && glob_binding.vis.is_public() + && !binding.vis.is_public() { self.lint_buffer.buffer_lint( - AMBIGUOUS_GLOB_REEXPORTS, - import.root_id, - import.root_span, - BuiltinLintDiag::AmbiguousGlobReexports { - name: key.ident.to_string(), - namespace: key.ns.descr().to_string(), - first_reexport_span: import.root_span, - duplicate_reexport_span: amb_binding.span, + HIDDEN_GLOB_REEXPORTS, + binding_id, + binding.span, + BuiltinLintDiag::HiddenGlobReexports { + name: key.ident.name.to_string(), + namespace: key.ns.descr().to_owned(), + glob_reexport_span: glob_binding.span, + private_item_span: binding.span, }, ); } - - if let Some(glob_binding) = resolution.shadowed_glob { - let binding_id = match binding.kind { - NameBindingKind::Res(res) => { - Some(self.def_id_to_node_id[res.def_id().expect_local()]) - } - NameBindingKind::Module(module) => { - Some(self.def_id_to_node_id[module.def_id().expect_local()]) - } - NameBindingKind::Import { import, .. } => import.id(), - }; - - if binding.res() != Res::Err - && glob_binding.res() != Res::Err - && let NameBindingKind::Import { import: glob_import, .. } = - glob_binding.kind - && let Some(binding_id) = binding_id - && let Some(glob_import_id) = glob_import.id() - && let glob_import_def_id = self.local_def_id(glob_import_id) - && self.effective_visibilities.is_exported(glob_import_def_id) - && glob_binding.vis.is_public() - && !binding.vis.is_public() - { - self.lint_buffer.buffer_lint( - HIDDEN_GLOB_REEXPORTS, - binding_id, - binding.span, - BuiltinLintDiag::HiddenGlobReexports { - name: key.ident.name.to_string(), - namespace: key.ns.descr().to_owned(), - glob_reexport_span: glob_binding.span, - private_item_span: binding.span, - }, - ); - } - } } } } @@ -1006,21 +1002,19 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { self.lint_if_path_starts_with_module(Some(finalize), &full_path, None); } - if let ModuleOrUniformRoot::Module(module) = module { - if module == import.parent_scope.module { - // Importing a module into itself is not allowed. - return Some(UnresolvedImportError { - span: import.span, - label: Some(String::from( - "cannot glob-import a module into itself", - )), - note: None, - suggestion: None, - candidates: None, - segment: None, - module: None, - }); - } + if let ModuleOrUniformRoot::Module(module) = module + && module == import.parent_scope.module + { + // Importing a module into itself is not allowed. + return Some(UnresolvedImportError { + span: import.span, + label: Some(String::from("cannot glob-import a module into itself")), + note: None, + suggestion: None, + candidates: None, + segment: None, + module: None, + }); } if !is_prelude && let Some(max_vis) = max_vis.get() @@ -1081,18 +1075,17 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { // Consistency checks, analogous to `finalize_macro_resolutions`. let initial_res = source_bindings[ns].get().map(|initial_binding| { all_ns_err = false; - if let Some(target_binding) = target_bindings[ns].get() { - if target.name == kw::Underscore - && initial_binding.is_extern_crate() - && !initial_binding.is_import() - { - let used = if import.module_path.is_empty() { - Used::Scope - } else { - Used::Other - }; - this.record_use(ident, target_binding, used); - } + if let Some(target_binding) = target_bindings[ns].get() + && target.name == kw::Underscore + && initial_binding.is_extern_crate() + && !initial_binding.is_import() + { + let used = if import.module_path.is_empty() { + Used::Scope + } else { + Used::Other + }; + this.record_use(ident, target_binding, used); } initial_binding.res() }); @@ -1247,17 +1240,19 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { let mut any_successful_reexport = false; let mut crate_private_reexport = false; self.per_ns(|this, ns| { - if let Ok(binding) = source_bindings[ns].get() { - if !binding.vis.is_at_least(import.vis, this.tcx) { - reexport_error = Some((ns, binding)); - if let ty::Visibility::Restricted(binding_def_id) = binding.vis { - if binding_def_id.is_top_level_module() { - crate_private_reexport = true; - } - } - } else { - any_successful_reexport = true; + let Ok(binding) = source_bindings[ns].get() else { + return; + }; + + if !binding.vis.is_at_least(import.vis, this.tcx) { + reexport_error = Some((ns, binding)); + if let ty::Visibility::Restricted(binding_def_id) = binding.vis + && binding_def_id.is_top_level_module() + { + crate_private_reexport = true; } + } else { + any_successful_reexport = true; } }); @@ -1474,28 +1469,28 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { // Since import resolution is finished, globs will not define any more names. *module.globs.borrow_mut() = Vec::new(); - if let Some(def_id) = module.opt_def_id() { - let mut children = Vec::new(); - - module.for_each_child(self, |this, ident, _, binding| { - let res = binding.res().expect_non_local(); - let error_ambiguity = binding.is_ambiguity_recursive() && !binding.warn_ambiguity; - if res != def::Res::Err && !error_ambiguity { - let mut reexport_chain = SmallVec::new(); - let mut next_binding = binding; - while let NameBindingKind::Import { binding, import, .. } = next_binding.kind { - reexport_chain.push(import.simplify(this)); - next_binding = binding; - } + let Some(def_id) = module.opt_def_id() else { return }; + + let mut children = Vec::new(); - children.push(ModChild { ident, res, vis: binding.vis, reexport_chain }); + module.for_each_child(self, |this, ident, _, binding| { + let res = binding.res().expect_non_local(); + let error_ambiguity = binding.is_ambiguity_recursive() && !binding.warn_ambiguity; + if res != def::Res::Err && !error_ambiguity { + let mut reexport_chain = SmallVec::new(); + let mut next_binding = binding; + while let NameBindingKind::Import { binding, import, .. } = next_binding.kind { + reexport_chain.push(import.simplify(this)); + next_binding = binding; } - }); - if !children.is_empty() { - // Should be fine because this code is only called for local modules. - self.module_children.insert(def_id.expect_local(), children); + children.push(ModChild { ident, res, vis: binding.vis, reexport_chain }); } + }); + + if !children.is_empty() { + // Should be fine because this code is only called for local modules. + self.module_children.insert(def_id.expect_local(), children); } } } diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index bbcbb5d1ce4..8bd40ed3a73 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -468,16 +468,12 @@ impl<'a> PathSource<'a> { { "external crate" } - ExprKind::Path(_, path) => { - let mut msg = "function"; - if let Some(segment) = path.segments.iter().last() { - if let Some(c) = segment.ident.to_string().chars().next() { - if c.is_uppercase() { - msg = "function, tuple struct or tuple variant"; - } - } - } - msg + ExprKind::Path(_, path) + if let Some(segment) = path.segments.last() + && let Some(c) = segment.ident.to_string().chars().next() + && c.is_uppercase() => + { + "function, tuple struct or tuple variant" } _ => "function", }, @@ -1182,32 +1178,27 @@ impl<'ra: 'ast, 'ast, 'tcx> Visitor<'ast> for LateResolutionVisitor<'_, 'ast, 'r // namespace first, and if that fails we try again in the value namespace. If // resolution in the value namespace succeeds, we have an generic const argument on // our hands. - if let TyKind::Path(None, ref path) = ty.kind { + if let TyKind::Path(None, ref path) = ty.kind // We cannot disambiguate multi-segment paths right now as that requires type // checking. - if path.is_potential_trivial_const_arg() { - let mut check_ns = |ns| { - self.maybe_resolve_ident_in_lexical_scope(path.segments[0].ident, ns) - .is_some() - }; - if !check_ns(TypeNS) && check_ns(ValueNS) { - self.resolve_anon_const_manual( - true, - AnonConstKind::ConstArg(IsRepeatExpr::No), - |this| { - this.smart_resolve_path( - ty.id, - &None, - path, - PathSource::Expr(None), - ); - this.visit_path(path, ty.id); - }, - ); + && path.is_potential_trivial_const_arg() + { + let mut check_ns = |ns| { + self.maybe_resolve_ident_in_lexical_scope(path.segments[0].ident, ns) + .is_some() + }; + if !check_ns(TypeNS) && check_ns(ValueNS) { + self.resolve_anon_const_manual( + true, + AnonConstKind::ConstArg(IsRepeatExpr::No), + |this| { + this.smart_resolve_path(ty.id, &None, path, PathSource::Expr(None)); + this.visit_path(path, ty.id); + }, + ); - self.diag_metadata.currently_processing_generic_args = prev; - return; - } + self.diag_metadata.currently_processing_generic_args = prev; + return; } } @@ -1243,54 +1234,56 @@ impl<'ra: 'ast, 'ast, 'tcx> Visitor<'ast> for LateResolutionVisitor<'_, 'ast, 'r } fn visit_path_segment(&mut self, path_segment: &'ast PathSegment) { - if let Some(ref args) = path_segment.args { - match &**args { - GenericArgs::AngleBracketed(..) => visit::walk_generic_args(self, args), - GenericArgs::Parenthesized(p_args) => { - // Probe the lifetime ribs to know how to behave. - for rib in self.lifetime_ribs.iter().rev() { - match rib.kind { - // We are inside a `PolyTraitRef`. The lifetimes are - // to be introduced in that (maybe implicit) `for<>` binder. - LifetimeRibKind::Generics { - binder, - kind: LifetimeBinderKind::PolyTrait, - .. - } => { - self.with_lifetime_rib( - LifetimeRibKind::AnonymousCreateParameter { + let Some(ref args) = path_segment.args else { + return; + }; + + match &**args { + GenericArgs::AngleBracketed(..) => visit::walk_generic_args(self, args), + GenericArgs::Parenthesized(p_args) => { + // Probe the lifetime ribs to know how to behave. + for rib in self.lifetime_ribs.iter().rev() { + match rib.kind { + // We are inside a `PolyTraitRef`. The lifetimes are + // to be introduced in that (maybe implicit) `for<>` binder. + LifetimeRibKind::Generics { + binder, + kind: LifetimeBinderKind::PolyTrait, + .. + } => { + self.with_lifetime_rib( + LifetimeRibKind::AnonymousCreateParameter { + binder, + report_in_path: false, + }, + |this| { + this.resolve_fn_signature( binder, - report_in_path: false, - }, - |this| { - this.resolve_fn_signature( - binder, - false, - p_args.inputs.iter().map(|ty| (None, &**ty)), - &p_args.output, - ) - }, - ); - break; - } - // We have nowhere to introduce generics. Code is malformed, - // so use regular lifetime resolution to avoid spurious errors. - LifetimeRibKind::Item | LifetimeRibKind::Generics { .. } => { - visit::walk_generic_args(self, args); - break; - } - LifetimeRibKind::AnonymousCreateParameter { .. } - | LifetimeRibKind::AnonymousReportError - | LifetimeRibKind::StaticIfNoLifetimeInScope { .. } - | LifetimeRibKind::Elided(_) - | LifetimeRibKind::ElisionFailure - | LifetimeRibKind::ConcreteAnonConst(_) - | LifetimeRibKind::ConstParamTy => {} + false, + p_args.inputs.iter().map(|ty| (None, &**ty)), + &p_args.output, + ) + }, + ); + break; + } + // We have nowhere to introduce generics. Code is malformed, + // so use regular lifetime resolution to avoid spurious errors. + LifetimeRibKind::Item | LifetimeRibKind::Generics { .. } => { + visit::walk_generic_args(self, args); + break; } + LifetimeRibKind::AnonymousCreateParameter { .. } + | LifetimeRibKind::AnonymousReportError + | LifetimeRibKind::StaticIfNoLifetimeInScope { .. } + | LifetimeRibKind::Elided(_) + | LifetimeRibKind::ElisionFailure + | LifetimeRibKind::ConcreteAnonConst(_) + | LifetimeRibKind::ConstParamTy => {} } } - GenericArgs::ParenthesizedElided(_) => {} } + GenericArgs::ParenthesizedElided(_) => {} } } @@ -1735,13 +1728,8 @@ impl<'a, 'ast, 'ra: 'ast, 'tcx> LateResolutionVisitor<'a, 'ast, 'ra, 'tcx> { } let normalized_ident = ident.normalize_to_macros_2_0(); - let mut outer_res = None; - for rib in lifetime_rib_iter { - if let Some((&outer, _)) = rib.bindings.get_key_value(&normalized_ident) { - outer_res = Some(outer); - break; - } - } + let outer_res = lifetime_rib_iter + .find_map(|rib| rib.bindings.get_key_value(&normalized_ident).map(|(&outer, _)| outer)); self.emit_undeclared_lifetime_error(lifetime, outer_res); self.record_lifetime_res(lifetime.id, LifetimeRes::Error, LifetimeElisionCandidate::Named); @@ -1808,23 +1796,21 @@ impl<'a, 'ast, 'ra: 'ast, 'tcx> LateResolutionVisitor<'a, 'ast, 'ra, 'tcx> { } LifetimeRibKind::AnonymousReportError => { if elided { - let mut suggestion = None; - for rib in self.lifetime_ribs[i..].iter().rev() { + let suggestion = self.lifetime_ribs[i..].iter().rev().find_map(|rib| { if let LifetimeRibKind::Generics { span, kind: LifetimeBinderKind::PolyTrait | LifetimeBinderKind::WhereBound, .. - } = &rib.kind + } = rib.kind { - suggestion = - Some(errors::ElidedAnonymousLivetimeReportErrorSuggestion { - lo: span.shrink_to_lo(), - hi: lifetime.ident.span.shrink_to_hi(), - }); - break; + Some(errors::ElidedAnonymousLivetimeReportErrorSuggestion { + lo: span.shrink_to_lo(), + hi: lifetime.ident.span.shrink_to_hi(), + }) + } else { + None } - } - + }); // are we trying to use an anonymous lifetime // on a non GAT associated trait type? if !self.in_func_body @@ -2460,12 +2446,12 @@ impl<'a, 'ast, 'ra: 'ast, 'tcx> LateResolutionVisitor<'a, 'ast, 'ra, 'tcx> { for i in (0..self.label_ribs.len()).rev() { let rib = &self.label_ribs[i]; - if let RibKind::MacroDefinition(def) = rib.kind { + if let RibKind::MacroDefinition(def) = rib.kind // If an invocation of this macro created `ident`, give up on `ident` // and switch to `ident`'s source from the macro definition. - if def == self.r.macro_def(label.span.ctxt()) { - label.span.remove_mark(); - } + && def == self.r.macro_def(label.span.ctxt()) + { + label.span.remove_mark(); } let ident = label.normalize_to_macro_rules(); @@ -2493,14 +2479,7 @@ impl<'a, 'ast, 'ra: 'ast, 'tcx> LateResolutionVisitor<'a, 'ast, 'ra, 'tcx> { /// Determine whether or not a label from the `rib_index`th label rib is reachable. fn is_label_valid_from_rib(&self, rib_index: usize) -> bool { let ribs = &self.label_ribs[rib_index + 1..]; - - for rib in ribs { - if rib.kind.is_label_barrier() { - return false; - } - } - - true + ribs.iter().all(|rib| !rib.kind.is_label_barrier()) } fn resolve_adt(&mut self, item: &'ast Item, generics: &'ast Generics) { @@ -3505,21 +3484,20 @@ impl<'a, 'ast, 'ra: 'ast, 'tcx> LateResolutionVisitor<'a, 'ast, 'ra, 'tcx> { self.visit_ty(&qself.ty); } self.visit_path(&delegation.path, delegation.id); - if let Some(body) = &delegation.body { - self.with_rib(ValueNS, RibKind::FnOrCoroutine, |this| { - // `PatBoundCtx` is not necessary in this context - let mut bindings = smallvec![(PatBoundCtx::Product, Default::default())]; - - let span = delegation.path.segments.last().unwrap().ident.span; - this.fresh_binding( - Ident::new(kw::SelfLower, span), - delegation.id, - PatternSource::FnParam, - &mut bindings, - ); - this.visit_block(body); - }); - } + let Some(body) = &delegation.body else { return }; + self.with_rib(ValueNS, RibKind::FnOrCoroutine, |this| { + // `PatBoundCtx` is not necessary in this context + let mut bindings = smallvec![(PatBoundCtx::Product, Default::default())]; + + let span = delegation.path.segments.last().unwrap().ident.span; + this.fresh_binding( + Ident::new(kw::SelfLower, span), + delegation.id, + PatternSource::FnParam, + &mut bindings, + ); + this.visit_block(body); + }); } fn resolve_params(&mut self, params: &'ast [Param]) { diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs index f932d3c8073..51d809bd65d 100644 --- a/compiler/rustc_span/src/lib.rs +++ b/compiler/rustc_span/src/lib.rs @@ -25,6 +25,7 @@ #![feature(hash_set_entry)] #![feature(if_let_guard)] #![feature(let_chains)] +#![feature(map_try_insert)] #![feature(negative_impls)] #![feature(read_buf)] #![feature(round_char_boundary)] @@ -85,9 +86,9 @@ use std::str::FromStr; use std::{fmt, iter}; use md5::{Digest, Md5}; -use rustc_data_structures::fx::FxHashMap; use rustc_data_structures::stable_hasher::{Hash64, Hash128, HashStable, StableHasher}; use rustc_data_structures::sync::{FreezeLock, FreezeWriteGuard, Lock, Lrc}; +use rustc_data_structures::unord::UnordMap; use sha1::Sha1; use sha2::Sha256; @@ -103,7 +104,7 @@ pub struct SessionGlobals { span_interner: Lock<span_encoding::SpanInterner>, /// Maps a macro argument token into use of the corresponding metavariable in the macro body. /// Collisions are possible and processed in `maybe_use_metavar_location` on best effort basis. - metavar_spans: Lock<FxHashMap<Span, Span>>, + metavar_spans: MetavarSpansMap, hygiene_data: Lock<hygiene::HygieneData>, /// The session's source map, if there is one. This field should only be @@ -177,9 +178,42 @@ pub fn create_default_session_globals_then<R>(f: impl FnOnce() -> R) -> R { // deserialization. scoped_tls::scoped_thread_local!(static SESSION_GLOBALS: SessionGlobals); +#[derive(Default)] +pub struct MetavarSpansMap(FreezeLock<UnordMap<Span, (Span, bool)>>); + +impl MetavarSpansMap { + pub fn insert(&self, span: Span, var_span: Span) -> bool { + match self.0.write().try_insert(span, (var_span, false)) { + Ok(_) => true, + Err(entry) => entry.entry.get().0 == var_span, + } + } + + /// Read a span and record that it was read. + pub fn get(&self, span: Span) -> Option<Span> { + if let Some(mut mspans) = self.0.try_write() { + if let Some((var_span, read)) = mspans.get_mut(&span) { + *read = true; + Some(*var_span) + } else { + None + } + } else { + if let Some((span, true)) = self.0.read().get(&span) { Some(*span) } else { None } + } + } + + /// Freeze the set, and return the spans which have been read. + /// + /// After this is frozen, no spans that have not been read can be read. + pub fn freeze_and_get_read_spans(&self) -> UnordMap<Span, Span> { + self.0.freeze().items().filter(|(_, (_, b))| *b).map(|(s1, (s2, _))| (*s1, *s2)).collect() + } +} + #[inline] -pub fn with_metavar_spans<R>(f: impl FnOnce(&mut FxHashMap<Span, Span>) -> R) -> R { - with_session_globals(|session_globals| f(&mut session_globals.metavar_spans.lock())) +pub fn with_metavar_spans<R>(f: impl FnOnce(&MetavarSpansMap) -> R) -> R { + with_session_globals(|session_globals| f(&session_globals.metavar_spans)) } // FIXME: We should use this enum or something like it to get rid of the @@ -872,8 +906,7 @@ impl Span { /// Check if you can select metavar spans for the given spans to get matching contexts. fn try_metavars(a: SpanData, b: SpanData, a_orig: Span, b_orig: Span) -> (SpanData, SpanData) { - let get = |mspans: &FxHashMap<_, _>, s| mspans.get(&s).copied(); - match with_metavar_spans(|mspans| (get(mspans, a_orig), get(mspans, b_orig))) { + match with_metavar_spans(|mspans| (mspans.get(a_orig), mspans.get(b_orig))) { (None, None) => {} (Some(meta_a), None) => { let meta_a = meta_a.data(); diff --git a/compiler/rustc_target/src/callconv/powerpc64.rs b/compiler/rustc_target/src/callconv/powerpc64.rs index 3a71592cbe0..92c1f6e7148 100644 --- a/compiler/rustc_target/src/callconv/powerpc64.rs +++ b/compiler/rustc_target/src/callconv/powerpc64.rs @@ -58,8 +58,10 @@ where // The AIX ABI expect byval for aggregates // See https://github.com/llvm/llvm-project/blob/main/clang/lib/CodeGen/Targets/PPC.cpp. + // The incoming parameter is represented as a pointer in the IR, + // the alignment is associated with the size of the register. (align 8 for 64bit) if !is_ret && abi == AIX { - arg.pass_by_stack_offset(None); + arg.pass_by_stack_offset(Some(Align::from_bytes(8).unwrap())); return; } diff --git a/compiler/rustc_target/src/spec/base/windows_gnu.rs b/compiler/rustc_target/src/spec/base/windows_gnu.rs index e975102e238..d8b6ae8cf32 100644 --- a/compiler/rustc_target/src/spec/base/windows_gnu.rs +++ b/compiler/rustc_target/src/spec/base/windows_gnu.rs @@ -97,9 +97,9 @@ pub(crate) fn opts() -> TargetOptions { emit_debug_gdb_scripts: false, requires_uwtable: true, eh_frame_header: false, + debuginfo_kind: DebuginfoKind::Dwarf, // FIXME(davidtwco): Support Split DWARF on Windows GNU - may require LLVM changes to // output DWO, despite using DWARF, doesn't use ELF.. - debuginfo_kind: DebuginfoKind::Pdb, supported_split_debuginfo: Cow::Borrowed(&[SplitDebuginfo::Off]), ..Default::default() } diff --git a/compiler/rustc_target/src/spec/base/windows_gnullvm.rs b/compiler/rustc_target/src/spec/base/windows_gnullvm.rs index 4f370ec8bd0..86e52117dbf 100644 --- a/compiler/rustc_target/src/spec/base/windows_gnullvm.rs +++ b/compiler/rustc_target/src/spec/base/windows_gnullvm.rs @@ -44,9 +44,9 @@ pub(crate) fn opts() -> TargetOptions { has_thread_local: true, crt_static_allows_dylibs: true, crt_static_respected: true, + debuginfo_kind: DebuginfoKind::Dwarf, // FIXME(davidtwco): Support Split DWARF on Windows GNU - may require LLVM changes to // output DWO, despite using DWARF, doesn't use ELF.. - debuginfo_kind: DebuginfoKind::Pdb, supported_split_debuginfo: Cow::Borrowed(&[SplitDebuginfo::Off]), ..Default::default() } diff --git a/compiler/rustc_trait_selection/src/error_reporting/traits/fulfillment_errors.rs b/compiler/rustc_trait_selection/src/error_reporting/traits/fulfillment_errors.rs index c40ba330845..bcd3b0109b7 100644 --- a/compiler/rustc_trait_selection/src/error_reporting/traits/fulfillment_errors.rs +++ b/compiler/rustc_trait_selection/src/error_reporting/traits/fulfillment_errors.rs @@ -1338,20 +1338,15 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> { let derive_better_type_error = |alias_term: ty::AliasTerm<'tcx>, expected_term: ty::Term<'tcx>| { let ocx = ObligationCtxt::new(self); - let normalized_term = match expected_term.unpack() { - ty::TermKind::Ty(_) => self.next_ty_var(DUMMY_SP).into(), - ty::TermKind::Const(_) => self.next_const_var(DUMMY_SP).into(), - }; - ocx.register_obligation(Obligation::new( - self.tcx, - ObligationCause::dummy(), + + let Ok(normalized_term) = ocx.structurally_normalize_term( + &ObligationCause::dummy(), obligation.param_env, - ty::PredicateKind::NormalizesTo(ty::NormalizesTo { - alias: alias_term, - term: normalized_term, - }), - )); - let _ = ocx.select_where_possible(); + alias_term.to_term(self.tcx), + ) else { + return None; + }; + if let Err(terr) = ocx.eq( &ObligationCause::dummy(), obligation.param_env, diff --git a/compiler/rustc_trait_selection/src/error_reporting/traits/mod.rs b/compiler/rustc_trait_selection/src/error_reporting/traits/mod.rs index 592aee24ccc..f2bcc51e687 100644 --- a/compiler/rustc_trait_selection/src/error_reporting/traits/mod.rs +++ b/compiler/rustc_trait_selection/src/error_reporting/traits/mod.rs @@ -433,34 +433,19 @@ pub fn report_dyn_incompatibility<'tcx>( hir::Node::Item(item) => Some(item.ident.span), _ => None, }); + let mut err = struct_span_code_err!( tcx.dcx(), span, E0038, - "the {} `{}` cannot be made into an object", + "the {} `{}` is not dyn compatible", tcx.def_descr(trait_def_id), trait_str ); - err.span_label(span, format!("`{trait_str}` cannot be made into an object")); - - if let Some(hir_id) = hir_id - && let hir::Node::Ty(ty) = tcx.hir_node(hir_id) - && let hir::TyKind::TraitObject([trait_ref, ..], ..) = ty.kind - { - let mut hir_id = hir_id; - while let hir::Node::Ty(ty) = tcx.parent_hir_node(hir_id) { - hir_id = ty.hir_id; - } - if tcx.parent_hir_node(hir_id).fn_sig().is_some() { - // Do not suggest `impl Trait` when dealing with things like super-traits. - err.span_suggestion_verbose( - ty.span.until(trait_ref.span), - "consider using an opaque type instead", - "impl ", - Applicability::MaybeIncorrect, - ); - } - } + err.span_label(span, format!("`{trait_str}` is not dyn compatible")); + + attempt_dyn_to_impl_suggestion(tcx, hir_id, &mut err); + let mut reported_violations = FxIndexSet::default(); let mut multi_span = vec![]; let mut messages = vec![]; @@ -475,7 +460,7 @@ pub fn report_dyn_incompatibility<'tcx>( if reported_violations.insert(violation.clone()) { let spans = violation.spans(); let msg = if trait_span.is_none() || spans.is_empty() { - format!("the trait cannot be made into an object because {}", violation.error_msg()) + format!("the trait is not dyn compatible because {}", violation.error_msg()) } else { format!("...because {}", violation.error_msg()) }; @@ -492,7 +477,7 @@ pub fn report_dyn_incompatibility<'tcx>( let has_multi_span = !multi_span.is_empty(); let mut note_span = MultiSpan::from_spans(multi_span.clone()); if let (Some(trait_span), true) = (trait_span, has_multi_span) { - note_span.push_span_label(trait_span, "this trait cannot be made into an object..."); + note_span.push_span_label(trait_span, "this trait is not dyn compatible..."); } for (span, msg) in iter::zip(multi_span, messages) { note_span.push_span_label(span, msg); @@ -500,16 +485,12 @@ pub fn report_dyn_incompatibility<'tcx>( // FIXME(dyn_compat_renaming): Update the URL. err.span_note( note_span, - "for a trait to be \"dyn-compatible\" it needs to allow building a vtable to allow the call \ - to be resolvable dynamically; for more information visit \ - <https://doc.rust-lang.org/reference/items/traits.html#object-safety>", + "for a trait to be dyn compatible it needs to allow building a vtable\n\ + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>", ); // Only provide the help if its a local trait, otherwise it's not actionable. if trait_span.is_some() { - let mut reported_violations: Vec<_> = reported_violations.into_iter().collect(); - reported_violations.sort(); - let mut potential_solutions: Vec<_> = reported_violations.into_iter().map(|violation| violation.solution()).collect(); potential_solutions.sort(); @@ -520,68 +501,116 @@ pub fn report_dyn_incompatibility<'tcx>( } } + attempt_dyn_to_enum_suggestion(tcx, trait_def_id, &*trait_str, &mut err); + + err +} + +/// Attempt to suggest converting the `dyn Trait` argument to an enumeration +/// over the types that implement `Trait`. +fn attempt_dyn_to_enum_suggestion( + tcx: TyCtxt<'_>, + trait_def_id: DefId, + trait_str: &str, + err: &mut Diag<'_>, +) { let impls_of = tcx.trait_impls_of(trait_def_id); - let impls = if impls_of.blanket_impls().is_empty() { - impls_of - .non_blanket_impls() - .values() - .flatten() - .filter(|def_id| { - !matches!(tcx.type_of(*def_id).instantiate_identity().kind(), ty::Dynamic(..)) - }) - .collect::<Vec<_>>() - } else { - vec![] - }; - let externally_visible = if !impls.is_empty() - && let Some(def_id) = trait_def_id.as_local() + + if !impls_of.blanket_impls().is_empty() { + return; + } + + let concrete_impls: Option<Vec<Ty<'_>>> = impls_of + .non_blanket_impls() + .values() + .flatten() + .map(|impl_id| { + // Don't suggest conversion to enum if the impl types have type parameters. + // It's unlikely the user wants to define a generic enum. + let Some(impl_type) = tcx.type_of(*impl_id).no_bound_vars() else { return None }; + + // Obviously unsized impl types won't be usable in an enum. + // Note: this doesn't use `Ty::is_trivially_sized` because that function + // defaults to assuming that things are *not* sized, whereas we want to + // fall back to assuming that things may be sized. + match impl_type.kind() { + ty::Str | ty::Slice(_) | ty::Dynamic(_, _, ty::DynKind::Dyn) => { + return None; + } + _ => {} + } + Some(impl_type) + }) + .collect(); + let Some(concrete_impls) = concrete_impls else { return }; + + const MAX_IMPLS_TO_SUGGEST_CONVERTING_TO_ENUM: usize = 9; + if concrete_impls.is_empty() || concrete_impls.len() > MAX_IMPLS_TO_SUGGEST_CONVERTING_TO_ENUM { + return; + } + + let externally_visible = if let Some(def_id) = trait_def_id.as_local() { // We may be executing this during typeck, which would result in cycle // if we used effective_visibilities query, which looks into opaque types // (and therefore calls typeck). - && tcx.resolutions(()).effective_visibilities.is_exported(def_id) - { - true + tcx.resolutions(()).effective_visibilities.is_exported(def_id) } else { false }; - match &impls[..] { - [] => {} - _ if impls.len() > 9 => {} - [only] if externally_visible => { - err.help(with_no_trimmed_paths!(format!( - "only type `{}` is seen to implement the trait in this crate, consider using it \ - directly instead", - tcx.type_of(*only).instantiate_identity(), - ))); - } - [only] => { - err.help(with_no_trimmed_paths!(format!( - "only type `{}` implements the trait, consider using it directly instead", - tcx.type_of(*only).instantiate_identity(), - ))); - } - impls => { - let types = impls - .iter() - .map(|t| { - with_no_trimmed_paths!(format!(" {}", tcx.type_of(*t).instantiate_identity(),)) - }) - .collect::<Vec<_>>(); - err.help(format!( - "the following types implement the trait, consider defining an enum where each \ - variant holds one of these types, implementing `{}` for this new enum and using \ - it instead:\n{}", - trait_str, - types.join("\n"), - )); - } + + if let [only_impl] = &concrete_impls[..] { + let within = if externally_visible { " within this crate" } else { "" }; + err.help(with_no_trimmed_paths!(format!( + "only type `{only_impl}` implements `{trait_str}`{within}; \ + consider using it directly instead." + ))); + } else { + let types = concrete_impls + .iter() + .map(|t| with_no_trimmed_paths!(format!(" {}", t))) + .collect::<Vec<String>>() + .join("\n"); + + err.help(format!( + "the following types implement `{trait_str}`:\n\ + {types}\n\ + consider defining an enum where each variant holds one of these types,\n\ + implementing `{trait_str}` for this new enum and using it instead", + )); } + if externally_visible { err.note(format!( - "`{trait_str}` can be implemented in other crates; if you want to support your users \ + "`{trait_str}` may be implemented in other crates; if you want to support your users \ passing their own types here, you can't refer to a specific type", )); } +} - err +/// Attempt to suggest that a `dyn Trait` argument or return type be converted +/// to use `impl Trait`. +fn attempt_dyn_to_impl_suggestion(tcx: TyCtxt<'_>, hir_id: Option<hir::HirId>, err: &mut Diag<'_>) { + let Some(hir_id) = hir_id else { return }; + let hir::Node::Ty(ty) = tcx.hir_node(hir_id) else { return }; + let hir::TyKind::TraitObject([trait_ref, ..], ..) = ty.kind else { return }; + + // Only suggest converting `dyn` to `impl` if we're in a function signature. + // This ensures that we don't suggest converting e.g. + // `type Alias = Box<dyn DynIncompatibleTrait>;` to + // `type Alias = Box<impl DynIncompatibleTrait>;` + let Some((_id, first_non_type_parent_node)) = + tcx.hir().parent_iter(hir_id).find(|(_id, node)| !matches!(node, hir::Node::Ty(_))) + else { + return; + }; + if first_non_type_parent_node.fn_sig().is_none() { + return; + } + + err.span_suggestion_verbose( + ty.span.until(trait_ref.span), + "consider using an opaque type instead", + "impl ", + Applicability::MaybeIncorrect, + ); } diff --git a/compiler/rustc_trait_selection/src/solve/fulfill.rs b/compiler/rustc_trait_selection/src/solve/fulfill.rs index 4498beff4ea..2b7da4bc5ff 100644 --- a/compiler/rustc_trait_selection/src/solve/fulfill.rs +++ b/compiler/rustc_trait_selection/src/solve/fulfill.rs @@ -513,8 +513,27 @@ impl<'tcx> ProofTreeVisitor<'tcx> for BestObligation<'tcx> { _ => ChildMode::PassThrough, }; + let nested_goals = candidate.instantiate_nested_goals(self.span()); + + // If the candidate requires some `T: FnPtr` bound which does not hold should not be treated as + // an actual candidate, instead we should treat them as if the impl was never considered to + // have potentially applied. As if `impl<A, R> Trait for for<..> fn(..A) -> R` was written + // instead of `impl<T: FnPtr> Trait for T`. + // + // We do this as a separate loop so that we do not choose to tell the user about some nested + // goal before we encounter a `T: FnPtr` nested goal. + for nested_goal in &nested_goals { + if let Some(fn_ptr_trait) = tcx.lang_items().fn_ptr_trait() + && let Some(poly_trait_pred) = nested_goal.goal().predicate.as_trait_clause() + && poly_trait_pred.def_id() == fn_ptr_trait + && let Err(NoSolution) = nested_goal.result() + { + return ControlFlow::Break(self.obligation.clone()); + } + } + let mut impl_where_bound_count = 0; - for nested_goal in candidate.instantiate_nested_goals(self.span()) { + for nested_goal in nested_goals { trace!(nested_goal = ?(nested_goal.goal(), nested_goal.source(), nested_goal.result())); let make_obligation = |cause| Obligation { @@ -605,7 +624,7 @@ impl<'tcx> ProofTreeVisitor<'tcx> for BestObligation<'tcx> { } } -#[derive(Copy, Clone)] +#[derive(Debug, Copy, Clone)] enum ChildMode<'tcx> { // Try to derive an `ObligationCause::{ImplDerived,BuiltinDerived}`, // and skip all `GoalSource::Misc`, which represent useless obligations diff --git a/compiler/rustc_trait_selection/src/traits/coherence.rs b/compiler/rustc_trait_selection/src/traits/coherence.rs index e27143f1396..50d47d20e1a 100644 --- a/compiler/rustc_trait_selection/src/traits/coherence.rs +++ b/compiler/rustc_trait_selection/src/traits/coherence.rs @@ -709,7 +709,7 @@ impl<'a, 'tcx> ProofTreeVisitor<'tcx> for AmbiguityCausesVisitor<'a, 'tcx> { if matches!(ty.kind(), ty::Alias(..)) { let ocx = ObligationCtxt::new(infcx); ty = ocx - .structurally_normalize(&ObligationCause::dummy(), param_env, ty) + .structurally_normalize_ty(&ObligationCause::dummy(), param_env, ty) .map_err(|_| ())?; if !ocx.select_where_possible().is_empty() { return Err(()); diff --git a/compiler/rustc_trait_selection/src/traits/dyn_compatibility.rs b/compiler/rustc_trait_selection/src/traits/dyn_compatibility.rs index 248ab847f20..66491d9abe1 100644 --- a/compiler/rustc_trait_selection/src/traits/dyn_compatibility.rs +++ b/compiler/rustc_trait_selection/src/traits/dyn_compatibility.rs @@ -53,7 +53,6 @@ fn dyn_compatibility_violations( ) -> &'_ [DynCompatibilityViolation] { debug_assert!(tcx.generics_of(trait_def_id).has_self); debug!("dyn_compatibility_violations: {:?}", trait_def_id); - tcx.arena.alloc_from_iter( elaborate::supertrait_def_ids(tcx, trait_def_id) .flat_map(|def_id| dyn_compatibility_violations_for_trait(tcx, def_id)), diff --git a/compiler/rustc_trait_selection/src/traits/engine.rs b/compiler/rustc_trait_selection/src/traits/engine.rs index 5e270b62b00..4a3983fca31 100644 --- a/compiler/rustc_trait_selection/src/traits/engine.rs +++ b/compiler/rustc_trait_selection/src/traits/engine.rs @@ -319,7 +319,7 @@ where self.infcx.at(cause, param_env).deeply_normalize(value, &mut **self.engine.borrow_mut()) } - pub fn structurally_normalize( + pub fn structurally_normalize_ty( &self, cause: &ObligationCause<'tcx>, param_env: ty::ParamEnv<'tcx>, @@ -327,7 +327,7 @@ where ) -> Result<Ty<'tcx>, Vec<E>> { self.infcx .at(cause, param_env) - .structurally_normalize(value, &mut **self.engine.borrow_mut()) + .structurally_normalize_ty(value, &mut **self.engine.borrow_mut()) } pub fn structurally_normalize_const( @@ -340,4 +340,15 @@ where .at(cause, param_env) .structurally_normalize_const(value, &mut **self.engine.borrow_mut()) } + + pub fn structurally_normalize_term( + &self, + cause: &ObligationCause<'tcx>, + param_env: ty::ParamEnv<'tcx>, + value: ty::Term<'tcx>, + ) -> Result<ty::Term<'tcx>, Vec<E>> { + self.infcx + .at(cause, param_env) + .structurally_normalize_term(value, &mut **self.engine.borrow_mut()) + } } diff --git a/compiler/rustc_trait_selection/src/traits/structural_normalize.rs b/compiler/rustc_trait_selection/src/traits/structural_normalize.rs index f8e8f2176c1..e6d5d336b8d 100644 --- a/compiler/rustc_trait_selection/src/traits/structural_normalize.rs +++ b/compiler/rustc_trait_selection/src/traits/structural_normalize.rs @@ -7,44 +7,12 @@ use crate::traits::{NormalizeExt, Obligation}; #[extension(pub trait StructurallyNormalizeExt<'tcx>)] impl<'tcx> At<'_, 'tcx> { - fn structurally_normalize<E: 'tcx>( + fn structurally_normalize_ty<E: 'tcx>( &self, ty: Ty<'tcx>, fulfill_cx: &mut dyn TraitEngine<'tcx, E>, ) -> Result<Ty<'tcx>, Vec<E>> { - assert!(!ty.is_ty_var(), "should have resolved vars before calling"); - - if self.infcx.next_trait_solver() { - let ty::Alias(..) = *ty.kind() else { - return Ok(ty); - }; - - let new_infer_ty = self.infcx.next_ty_var(self.cause.span); - - // We simply emit an `alias-eq` goal here, since that will take care of - // normalizing the LHS of the projection until it is a rigid projection - // (or a not-yet-defined opaque in scope). - let obligation = Obligation::new( - self.infcx.tcx, - self.cause.clone(), - self.param_env, - ty::PredicateKind::AliasRelate( - ty.into(), - new_infer_ty.into(), - ty::AliasRelationDirection::Equate, - ), - ); - - fulfill_cx.register_predicate_obligation(self.infcx, obligation); - let errors = fulfill_cx.select_where_possible(self.infcx); - if !errors.is_empty() { - return Err(errors); - } - - Ok(self.infcx.resolve_vars_if_possible(new_infer_ty)) - } else { - Ok(self.normalize(ty).into_value_registering_obligations(self.infcx, fulfill_cx)) - } + self.structurally_normalize_term(ty.into(), fulfill_cx).map(|term| term.expect_type()) } fn structurally_normalize_const<E: 'tcx>( @@ -52,14 +20,29 @@ impl<'tcx> At<'_, 'tcx> { ct: ty::Const<'tcx>, fulfill_cx: &mut dyn TraitEngine<'tcx, E>, ) -> Result<ty::Const<'tcx>, Vec<E>> { - assert!(!ct.is_ct_infer(), "should have resolved vars before calling"); + if self.infcx.tcx.features().generic_const_exprs() { + return Ok(super::evaluate_const(&self.infcx, ct, self.param_env)); + } + + self.structurally_normalize_term(ct.into(), fulfill_cx).map(|term| term.expect_const()) + } + + fn structurally_normalize_term<E: 'tcx>( + &self, + term: ty::Term<'tcx>, + fulfill_cx: &mut dyn TraitEngine<'tcx, E>, + ) -> Result<ty::Term<'tcx>, Vec<E>> { + assert!(!term.is_infer(), "should have resolved vars before calling"); if self.infcx.next_trait_solver() { - let ty::ConstKind::Unevaluated(..) = ct.kind() else { - return Ok(ct); - }; + if let None = term.to_alias_term() { + return Ok(term); + } - let new_infer_ct = self.infcx.next_const_var(self.cause.span); + let new_infer = match term.unpack() { + ty::TermKind::Ty(_) => self.infcx.next_ty_var(self.cause.span).into(), + ty::TermKind::Const(_) => self.infcx.next_const_var(self.cause.span).into(), + }; // We simply emit an `alias-eq` goal here, since that will take care of // normalizing the LHS of the projection until it is a rigid projection @@ -68,11 +51,7 @@ impl<'tcx> At<'_, 'tcx> { self.infcx.tcx, self.cause.clone(), self.param_env, - ty::PredicateKind::AliasRelate( - ct.into(), - new_infer_ct.into(), - ty::AliasRelationDirection::Equate, - ), + ty::PredicateKind::AliasRelate(term, new_infer, ty::AliasRelationDirection::Equate), ); fulfill_cx.register_predicate_obligation(self.infcx, obligation); @@ -81,11 +60,9 @@ impl<'tcx> At<'_, 'tcx> { return Err(errors); } - Ok(self.infcx.resolve_vars_if_possible(new_infer_ct)) - } else if self.infcx.tcx.features().generic_const_exprs() { - Ok(super::evaluate_const(&self.infcx, ct, self.param_env)) + Ok(self.infcx.resolve_vars_if_possible(new_infer)) } else { - Ok(self.normalize(ct).into_value_registering_obligations(self.infcx, fulfill_cx)) + Ok(self.normalize(term).into_value_registering_obligations(self.infcx, fulfill_cx)) } } } diff --git a/library/std/src/keyword_docs.rs b/library/std/src/keyword_docs.rs index 0c526eafdf3..1d26bf37f4d 100644 --- a/library/std/src/keyword_docs.rs +++ b/library/std/src/keyword_docs.rs @@ -2387,13 +2387,12 @@ mod async_keyword {} /// [`async`]: ../std/keyword.async.html mod await_keyword {} -// FIXME(dyn_compat_renaming): Update URL and link text. #[doc(keyword = "dyn")] // /// `dyn` is a prefix of a [trait object]'s type. /// /// The `dyn` keyword is used to highlight that calls to methods on the associated `Trait` -/// are [dynamically dispatched]. To use the trait this way, it must be 'dyn-compatible'[^1]. +/// are [dynamically dispatched]. To use the trait this way, it must be *dyn compatible*[^1]. /// /// Unlike generic parameters or `impl Trait`, the compiler does not know the concrete type that /// is being passed. That is, the type has been [erased]. @@ -2406,7 +2405,7 @@ mod await_keyword {} /// the function pointer and then that function pointer is called. /// /// See the Reference for more information on [trait objects][ref-trait-obj] -/// and [object safety][ref-obj-safety]. +/// and [dyn compatibility][ref-dyn-compat]. /// /// ## Trade-offs /// @@ -2419,9 +2418,9 @@ mod await_keyword {} /// [trait object]: ../book/ch17-02-trait-objects.html /// [dynamically dispatched]: https://en.wikipedia.org/wiki/Dynamic_dispatch /// [ref-trait-obj]: ../reference/types/trait-object.html -/// [ref-obj-safety]: ../reference/items/traits.html#object-safety +/// [ref-dyn-compat]: ../reference/items/traits.html#dyn-compatibility /// [erased]: https://en.wikipedia.org/wiki/Type_erasure -/// [^1]: Formerly known as 'object safe'. +/// [^1]: Formerly known as *object safe*. mod dyn_keyword {} #[doc(keyword = "union")] diff --git a/library/std/src/sys/pal/windows/fs.rs b/library/std/src/sys/pal/windows/fs.rs index b3659351b8c..f8493c21ad4 100644 --- a/library/std/src/sys/pal/windows/fs.rs +++ b/library/std/src/sys/pal/windows/fs.rs @@ -328,9 +328,6 @@ impl File { mem::size_of::<c::FILE_ALLOCATION_INFO>() as u32, ); if result == 0 { - if api::get_last_error().code != 0 { - panic!("FILE_ALLOCATION_INFO failed!!!"); - } let eof = c::FILE_END_OF_FILE_INFO { EndOfFile: 0 }; let result = c::SetFileInformationByHandle( handle.as_raw_handle(), diff --git a/src/bootstrap/src/core/build_steps/llvm.rs b/src/bootstrap/src/core/build_steps/llvm.rs index cf55fff4078..3cf25373b89 100644 --- a/src/bootstrap/src/core/build_steps/llvm.rs +++ b/src/bootstrap/src/core/build_steps/llvm.rs @@ -1338,7 +1338,7 @@ impl Step for CrtBeginEnd { .file(crtbegin_src) .file(crtend_src); - // Those flags are defined in src/llvm-project/compiler-rt/lib/crt/CMakeLists.txt + // Those flags are defined in src/llvm-project/compiler-rt/lib/builtins/CMakeLists.txt // Currently only consumer of those objects is musl, which use .init_array/.fini_array // instead of .ctors/.dtors cfg.flag("-std=c11") diff --git a/src/ci/docker/run.sh b/src/ci/docker/run.sh index d1bc0519bc1..d2697ac27ab 100755 --- a/src/ci/docker/run.sh +++ b/src/ci/docker/run.sh @@ -123,6 +123,7 @@ if [ -f "$docker_dir/$image/Dockerfile" ]; then build_args+=("--build-arg" "SCRIPT_ARG=${DOCKER_SCRIPT}") fi + GHCR_BUILDKIT_IMAGE="ghcr.io/rust-lang/buildkit:buildx-stable-1" # On non-CI jobs, we try to download a pre-built image from the rust-lang-ci # ghcr.io registry. If it is not possible, we fall back to building the image # locally. @@ -140,7 +141,9 @@ if [ -f "$docker_dir/$image/Dockerfile" ]; then elif [[ "$PR_CI_JOB" == "1" ]]; then # Enable a new Docker driver so that --cache-from works with a registry backend - docker buildx create --use --driver docker-container + # Use a custom image to avoid DockerHub rate limits + docker buildx create --use --driver docker-container \ + --driver-opt image=${GHCR_BUILDKIT_IMAGE} # Build the image using registry caching backend retry docker \ @@ -156,7 +159,9 @@ if [ -f "$docker_dir/$image/Dockerfile" ]; then --password-stdin # Enable a new Docker driver so that --cache-from/to works with a registry backend - docker buildx create --use --driver docker-container + # Use a custom image to avoid DockerHub rate limits + docker buildx create --use --driver docker-container \ + --driver-opt image=${GHCR_BUILDKIT_IMAGE} # Build the image using registry caching backend retry docker \ diff --git a/src/ci/github-actions/jobs.yml b/src/ci/github-actions/jobs.yml index c5b33a45db7..5e95e3721df 100644 --- a/src/ci/github-actions/jobs.yml +++ b/src/ci/github-actions/jobs.yml @@ -48,6 +48,8 @@ runners: <<: *base-job - &job-aarch64-linux + # Free some disk space to avoid running out of space during the build. + free_disk: true os: ubuntu-22.04-arm envs: diff --git a/src/doc/rustc-dev-guide/src/tests/directives.md b/src/doc/rustc-dev-guide/src/tests/directives.md index e80857b7afa..426a6ff1da5 100644 --- a/src/doc/rustc-dev-guide/src/tests/directives.md +++ b/src/doc/rustc-dev-guide/src/tests/directives.md @@ -152,6 +152,8 @@ Some examples of `X` in `ignore-X` or `only-X`: `compare-mode-split-dwarf`, `compare-mode-split-dwarf-single` - The two different test modes used by coverage tests: `ignore-coverage-map`, `ignore-coverage-run` +- When testing a dist toolchain: `dist` + - This needs to be enabled with `COMPILETEST_ENABLE_DIST_TESTS=1` The following directives will check rustc build settings and target settings: diff --git a/src/librustdoc/html/render/print_item.rs b/src/librustdoc/html/render/print_item.rs index 76a51cc64a8..01e40f823d9 100644 --- a/src/librustdoc/html/render/print_item.rs +++ b/src/librustdoc/html/render/print_item.rs @@ -914,7 +914,6 @@ fn item_trait(w: &mut Buffer, cx: &Context<'_>, it: &clean::Item, t: &clean::Tra let mut extern_crates = FxIndexSet::default(); if !t.is_dyn_compatible(cx.tcx()) { - // FIXME(dyn_compat_renaming): Update the URL once the Reference is updated. write_section_heading( w, "Dyn Compatibility", @@ -922,7 +921,7 @@ fn item_trait(w: &mut Buffer, cx: &Context<'_>, it: &clean::Item, t: &clean::Tra None, format!( "<div class=\"dyn-compatibility-info\"><p>This trait is <b>not</b> \ - <a href=\"{base}/reference/items/traits.html#object-safety\">dyn compatible</a>.</p>\ + <a href=\"{base}/reference/items/traits.html#dyn-compatibility\">dyn compatible</a>.</p>\ <p><i>In older versions of Rust, dyn compatibility was called \"object safety\", \ so this trait is not object safe.</i></p></div>", base = crate::clean::utils::DOC_RUST_LANG_ORG_CHANNEL diff --git a/src/tools/compiletest/src/directive-list.rs b/src/tools/compiletest/src/directive-list.rs index 01068af3e8c..5784cd83119 100644 --- a/src/tools/compiletest/src/directive-list.rs +++ b/src/tools/compiletest/src/directive-list.rs @@ -175,6 +175,7 @@ const KNOWN_DIRECTIVE_NAMES: &[&str] = &[ "only-beta", "only-bpf", "only-cdb", + "only-dist", "only-gnu", "only-i686-pc-windows-gnu", "only-i686-pc-windows-msvc", diff --git a/src/tools/compiletest/src/errors.rs b/src/tools/compiletest/src/errors.rs index efe758e65cf..37ef63ae42e 100644 --- a/src/tools/compiletest/src/errors.rs +++ b/src/tools/compiletest/src/errors.rs @@ -101,6 +101,8 @@ pub fn load_errors(testfile: &Path, revision: Option<&str>) -> Vec<Error> { rdr.lines() .enumerate() + // We want to ignore utf-8 failures in tests during collection of annotations. + .filter(|(_, line)| line.is_ok()) .filter_map(|(line_num, line)| { parse_expected(last_nonfollow_error, line_num + 1, &line.unwrap(), revision).map( |(which, error)| { diff --git a/src/tools/compiletest/src/header/cfg.rs b/src/tools/compiletest/src/header/cfg.rs index 3f7225195ce..6e5ced17c20 100644 --- a/src/tools/compiletest/src/header/cfg.rs +++ b/src/tools/compiletest/src/header/cfg.rs @@ -235,6 +235,12 @@ fn parse_cfg_name_directive<'a>( message: "when the test mode is {name}", } + condition! { + name: "dist", + condition: std::env::var("COMPILETEST_ENABLE_DIST_TESTS") == Ok("1".to_string()), + message: "when performing tests on dist toolchain" + } + if prefix == "ignore" && outcome == MatchOutcome::Invalid { // Don't error out for ignore-tidy-* diretives, as those are not handled by compiletest. if name.starts_with("tidy-") { diff --git a/src/tools/opt-dist/src/tests.rs b/src/tools/opt-dist/src/tests.rs index 06ed076a864..8b3bd77141b 100644 --- a/src/tools/opt-dist/src/tests.rs +++ b/src/tools/opt-dist/src/tests.rs @@ -69,6 +69,7 @@ change-id = 115898 [rust] channel = "{channel}" +verbose-tests = true [build] rustc = "{rustc}" @@ -102,13 +103,19 @@ llvm-config = "{llvm_config}" "tests/incremental", "tests/mir-opt", "tests/pretty", + "tests/run-make/glibc-symbols-x86_64-unknown-linux-gnu", "tests/ui", "tests/crashes", ]; for test_path in env.skipped_tests() { args.extend(["--skip", test_path]); } - cmd(&args).env("COMPILETEST_FORCE_STAGE0", "1").run().context("Cannot execute tests") + cmd(&args) + .env("COMPILETEST_FORCE_STAGE0", "1") + // Also run dist-only tests + .env("COMPILETEST_ENABLE_DIST_TESTS", "1") + .run() + .context("Cannot execute tests") } /// Tries to find the version of the dist artifacts (either nightly, beta, or 1.XY.Z). diff --git a/src/tools/run-make-support/src/command.rs b/src/tools/run-make-support/src/command.rs index e73413085fa..b4dc753ab53 100644 --- a/src/tools/run-make-support/src/command.rs +++ b/src/tools/run-make-support/src/command.rs @@ -151,6 +151,61 @@ impl Command { self } + /// Set an auxiliary stream passed to the process, besides the stdio streams. + /// + /// # Notes + /// + /// Use with caution! Ideally, only set one aux fd; if there are multiple, their old `fd` may + /// overlap with another's `new_fd`, and may break. The caller must make sure this is not the + /// case. This function is only "safe" because the safety requirements are practically not + /// possible to uphold. + #[cfg(unix)] + pub fn set_aux_fd<F: Into<std::os::fd::OwnedFd>>( + &mut self, + new_fd: std::os::fd::RawFd, + fd: F, + ) -> &mut Self { + use std::mem; + // NOTE: If more than 1 auxiliary file descriptor is needed, this function should be + // rewritten. + use std::os::fd::AsRawFd; + use std::os::unix::process::CommandExt; + + let cvt = |x| if x == -1 { Err(std::io::Error::last_os_error()) } else { Ok(()) }; + + // Ensure fd stays open until the fork. + let fd = mem::ManuallyDrop::new(fd.into()); + let fd = fd.as_raw_fd(); + + if fd == new_fd { + // If the new file descriptor is already the same as fd, just turn off `FD_CLOEXEC`. + let fd_flags = { + let ret = unsafe { libc::fcntl(fd, libc::F_GETFD, 0) }; + if ret < 0 { + panic!("failed to read fd flags: {}", std::io::Error::last_os_error()); + } + ret + }; + // Clear `FD_CLOEXEC`. + let fd_flags = fd_flags & !libc::FD_CLOEXEC; + + // SAFETY(io-safety): `fd` is already owned. + cvt(unsafe { libc::fcntl(fd, libc::F_SETFD, fd_flags as libc::c_int) }) + .expect("disabling CLOEXEC failed"); + } + let pre_exec = move || { + if fd.as_raw_fd() != new_fd { + // SAFETY(io-safety): it's the caller's responsibility that we won't override the + // target fd. + cvt(unsafe { libc::dup2(fd, new_fd) })?; + } + Ok(()) + }; + // SAFETY(pre-exec-safe): `dup2` is pre-exec-safe. + unsafe { self.cmd.pre_exec(pre_exec) }; + self + } + /// Run the constructed command and assert that it is successfully run. /// /// By default, std{in,out,err} are [`Stdio::piped()`]. diff --git a/src/tools/run-make-support/src/macros.rs b/src/tools/run-make-support/src/macros.rs index cc3d1281d0a..94955aefe57 100644 --- a/src/tools/run-make-support/src/macros.rs +++ b/src/tools/run-make-support/src/macros.rs @@ -104,6 +104,17 @@ macro_rules! impl_common_helpers { self } + /// Set an auxiliary stream passed to the process, besides the stdio streams. + #[cfg(unix)] + pub fn set_aux_fd<F: Into<std::os::fd::OwnedFd>>( + &mut self, + new_fd: std::os::fd::RawFd, + fd: F, + ) -> &mut Self { + self.cmd.set_aux_fd(new_fd, fd); + self + } + /// Run the constructed command and assert that it is successfully run. #[track_caller] pub fn run(&mut self) -> crate::command::CompletedProcess { diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 567f0a256d9..6f0fd09b353 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -1,4 +1,3 @@ -run-make/jobserver-error/Makefile run-make/split-debuginfo/Makefile run-make/symbol-mangling-hashed/Makefile run-make/translation/Makefile diff --git a/src/tools/tidy/src/tests_revision_unpaired_stdout_stderr.rs b/src/tools/tidy/src/tests_revision_unpaired_stdout_stderr.rs index 00edf99a30d..ee92d302db3 100644 --- a/src/tools/tidy/src/tests_revision_unpaired_stdout_stderr.rs +++ b/src/tools/tidy/src/tests_revision_unpaired_stdout_stderr.rs @@ -58,7 +58,7 @@ pub fn check(tests_path: impl AsRef<Path>, bad: &mut bool) { let mut expected_revisions = BTreeSet::new(); - let contents = std::fs::read_to_string(test).unwrap(); + let Ok(contents) = std::fs::read_to_string(test) else { continue }; // Collect directives. iter_header(&contents, &mut |HeaderLine { revision, directive, .. }| { diff --git a/src/tools/tidy/src/ui_tests.rs b/src/tools/tidy/src/ui_tests.rs index 908cf9f324f..63ac447a772 100644 --- a/src/tools/tidy/src/ui_tests.rs +++ b/src/tools/tidy/src/ui_tests.rs @@ -17,7 +17,7 @@ use ignore::Walk; const ENTRY_LIMIT: u32 = 901; // FIXME: The following limits should be reduced eventually. -const ISSUES_ENTRY_LIMIT: u32 = 1663; +const ISSUES_ENTRY_LIMIT: u32 = 1664; const EXPECTED_TEST_FILE_EXTENSIONS: &[&str] = &[ "rs", // test source files diff --git a/src/tools/wasm-component-ld/Cargo.toml b/src/tools/wasm-component-ld/Cargo.toml index 965e9b01a44..f8ae91f9e6f 100644 --- a/src/tools/wasm-component-ld/Cargo.toml +++ b/src/tools/wasm-component-ld/Cargo.toml @@ -10,4 +10,4 @@ name = "wasm-component-ld" path = "src/main.rs" [dependencies] -wasm-component-ld = "0.5.11" +wasm-component-ld = "0.5.12" diff --git a/tests/crashes/130779.rs b/tests/crashes/130779.rs deleted file mode 100644 index f0fd81fff44..00000000000 --- a/tests/crashes/130779.rs +++ /dev/null @@ -1,11 +0,0 @@ -//@ known-bug: #130779 -#![feature(never_patterns)] - -enum E { A } - -fn main() { - match E::A { - ! | - if true => {} - } -} diff --git a/tests/crashes/133063.rs b/tests/crashes/133063.rs deleted file mode 100644 index 132b5486170..00000000000 --- a/tests/crashes/133063.rs +++ /dev/null @@ -1,8 +0,0 @@ -//@ known-bug: #133063 - -fn foo(x: !) { - match x { - (! | !) if false => {} - _ => {} - } -} diff --git a/tests/crashes/133117.rs b/tests/crashes/133117.rs deleted file mode 100644 index 751c82626d5..00000000000 --- a/tests/crashes/133117.rs +++ /dev/null @@ -1,8 +0,0 @@ -//@ known-bug: #133117 - -fn main() { - match () { - (!|!) if true => {} - (!|!) if true => {} - } -} diff --git a/tests/run-make/glibc-symbols-x86_64-unknown-linux-gnu/rmake.rs b/tests/run-make/glibc-symbols-x86_64-unknown-linux-gnu/rmake.rs new file mode 100644 index 00000000000..0134457c5c2 --- /dev/null +++ b/tests/run-make/glibc-symbols-x86_64-unknown-linux-gnu/rmake.rs @@ -0,0 +1,112 @@ +// Check that the compiler toolchain (rustc) that we distribute is not using newer glibc +// symbols than a specified minimum. +// This test should only be executed on an extracted dist archive or in a dist-* CI job. + +//@ only-dist +//@ only-x86_64-unknown-linux-gnu +//@ ignore-cross-compile + +use std::path::{Path, PathBuf}; + +use run_make_support::{cmd, llvm_objdump, regex, rustc_path}; + +fn main() { + // This is the maximum glibc version that we are *permitted* to use for the + // x86_64-unknown-linux-gnu target. + // All glibc symbols used in the compiler must be lower or equal than this version. + // So that if a given machine only has glibc 2.17, it is able to run the compiler. + let max_supported = (2, 17, 99); + + let rustc = PathBuf::from(rustc_path()); + // Check symbols directly in rustc + check_symbols(&rustc, max_supported); + + // Find dynamic libraries referenced by rustc that come from our lib directory + let lib_path = rustc.parent().unwrap().parent().unwrap().join("lib"); + let dynamic_libs = find_dynamic_libs(&rustc) + .into_iter() + .filter_map(|path| path.canonicalize().ok()) + .filter(|lib| lib.starts_with(&lib_path)) + .collect::<Vec<_>>(); + for lib in dynamic_libs { + check_symbols(&lib, max_supported); + } +} + +#[derive(Debug, Ord, PartialOrd, Eq, PartialEq)] +struct GlibcSymbol { + name: String, + version: (u32, u32, u32), +} + +fn find_dynamic_libs(path: &Path) -> Vec<PathBuf> { + cmd("ldd") + .arg(path) + .run() + .stdout_utf8() + .lines() + .filter_map(|line| { + let line = line.trim(); + let Some((_, line)) = line.split_once(" => ") else { + return None; + }; + line.split_ascii_whitespace().next().map(|path| PathBuf::from(path)) + }) + .collect() +} + +fn check_symbols(file: &Path, max_supported: (u32, u32, u32)) { + println!("Checking {}", file.display()); + let mut invalid: Vec<GlibcSymbol> = get_glibc_symbols(file) + .into_iter() + .filter(|symbol| symbol.version > max_supported) + .collect(); + if !invalid.is_empty() { + invalid.sort(); + panic!( + "Found invalid glibc symbols in {}:\n{}", + file.display(), + invalid + .into_iter() + .map(|symbol| format!( + "{} ({:?} higher than max allowed {:?})", + symbol.name, symbol.version, max_supported + )) + .collect::<Vec<_>>() + .join("\n") + ) + } +} + +fn get_glibc_symbols(file: &Path) -> Vec<GlibcSymbol> { + let regex = regex::Regex::new(r#"GLIBC_(\d)+\.(\d+)(:?\.(\d+))?"#).unwrap(); + + // FIXME(kobzol): llvm-objdump currently chokes on the BOLTed librustc_driver.so file. + // Use objdump instead, since it seems to work, and we only run this test in a specific + // CI environment anyway. + cmd("objdump") + .arg("--dynamic-syms") + .arg(file) + .run() + .stdout_utf8() + .lines() + .filter_map(|line| { + // Example line + // 0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) sbrk + let mut parts = line.split(" ").collect::<Vec<_>>().into_iter().rev(); + let Some(name) = parts.next() else { + return None; + }; + let Some(lib) = parts.next() else { + return None; + }; + let Some(version) = regex.captures(lib) else { + return None; + }; + let major = version.get(1).and_then(|m| m.as_str().parse().ok()).unwrap_or(0); + let minor = version.get(2).and_then(|m| m.as_str().parse().ok()).unwrap_or(0); + let patch = version.get(3).and_then(|m| m.as_str().parse().ok()).unwrap_or(0); + Some(GlibcSymbol { version: (major, minor, patch), name: name.to_string() }) + }) + .collect() +} diff --git a/tests/run-make/jobserver-error/Makefile b/tests/run-make/jobserver-error/Makefile deleted file mode 100644 index 9f34970f96f..00000000000 --- a/tests/run-make/jobserver-error/Makefile +++ /dev/null @@ -1,17 +0,0 @@ -include ../tools.mk - -# only-linux -# ignore-cross-compile - -# Test compiler behavior in case environment specifies wrong jobserver. -# Note that by default, the compiler uses file descriptors 0 (stdin), 1 (stdout), 2 (stderr), -# but also 3 and 4 for either end of the ctrl-c signal handler self-pipe. - -all: - bash -c 'echo "fn main() {}" | MAKEFLAGS="--jobserver-auth=5,5" $(RUSTC)' 2>&1 | diff cannot_open_fd.stderr - - bash -c 'echo "fn main() {}" | MAKEFLAGS="--jobserver-auth=3,3" $(RUSTC) - 3</dev/null' 2>&1 | diff not_a_pipe.stderr - - -# This test randomly fails, see https://github.com/rust-lang/rust/issues/110321 -disabled: - bash -c 'echo "fn main() {}" | MAKEFLAGS="--jobserver-auth=3,3" $(RUSTC) - 3< <(cat /dev/null)' 2>&1 | diff poisoned_pipe.stderr - - diff --git a/tests/run-make/jobserver-error/cannot_open_fd.stderr b/tests/run-make/jobserver-error/cannot_open_fd.stderr index 9ac4c1c58f7..d075057b3d3 100644 --- a/tests/run-make/jobserver-error/cannot_open_fd.stderr +++ b/tests/run-make/jobserver-error/cannot_open_fd.stderr @@ -1,4 +1,4 @@ -warning: failed to connect to jobserver from environment variable `MAKEFLAGS="--jobserver-auth=5,5"`: cannot open file descriptor 5 from the jobserver environment variable value: Bad file descriptor (os error 9) +warning: failed to connect to jobserver from environment variable `MAKEFLAGS="--jobserver-auth=1000,1000"`: cannot open file descriptor 1000 from the jobserver environment variable value: Bad file descriptor (os error 9) | = note: the build environment is likely misconfigured diff --git a/tests/run-make/jobserver-error/rmake.rs b/tests/run-make/jobserver-error/rmake.rs new file mode 100644 index 00000000000..14ee24c7148 --- /dev/null +++ b/tests/run-make/jobserver-error/rmake.rs @@ -0,0 +1,47 @@ +// ignore-tidy-linelength +//! If the environment variables contain an invalid `jobserver-auth`, this used to cause an ICE +//! until this was fixed in [do not panic on failure to acquire jobserver token +//! #109694](https://github.com/rust-lang/rust/pull/109694). +//! +//! Proper handling has been added, and this test checks that helpful warnings and errors are +//! printed instead in case of a wrong jobserver. See +//! <https://github.com/rust-lang/rust/issues/46981>. + +//@ only-linux +//@ ignore-cross-compile + +#![deny(warnings)] + +use run_make_support::{diff, rustc}; + +fn main() { + let out = rustc() + .stdin_buf(("fn main() {}").as_bytes()) + .env("MAKEFLAGS", "--jobserver-auth=1000,1000") + .run_fail() + .stderr_utf8(); + diff().expected_file("cannot_open_fd.stderr").actual_text("actual", out).run(); + + let out = rustc() + .stdin_buf(("fn main() {}").as_bytes()) + .input("-") + .env("MAKEFLAGS", "--jobserver-auth=3,3") + .set_aux_fd(3, std::fs::File::open("/dev/null").unwrap()) + .run() + .stderr_utf8(); + diff().expected_file("not_a_pipe.stderr").actual_text("actual", out).run(); + + // FIXME(#110321): the Makefile version had a disabled check: + // + // ```makefile + // bash -c 'echo "fn main() {}" | MAKEFLAGS="--jobserver-auth=3,3" $(RUSTC) - 3< <(cat /dev/null)' 2>&1 | diff poisoned_pipe.stderr - + // ``` + // + // > the jobserver helper thread launched here gets starved out and doesn't run, while the + // > coordinator thread continually processes work using the implicit jobserver token, never + // > yielding long enough for the jobserver helper to do its work (and process the error). + // + // but is not necessarily worth fixing as it might require changing coordinator behavior that + // might regress performance. See discussion at + // <https://github.com/rust-lang/rust/issues/110321#issuecomment-1636914956>. +} diff --git a/tests/rustdoc-ui/invalid_const_in_lifetime_position.rs b/tests/rustdoc-ui/invalid_const_in_lifetime_position.rs index 07fc239a8f8..427c84679ba 100644 --- a/tests/rustdoc-ui/invalid_const_in_lifetime_position.rs +++ b/tests/rustdoc-ui/invalid_const_in_lifetime_position.rs @@ -8,4 +8,4 @@ fn f<'a>(arg : Box<dyn X<Y<1> = &'a ()>>) {} //~| ERROR associated type takes 0 generic arguments but 1 generic argument //~| ERROR associated type takes 1 lifetime argument but 0 lifetime arguments //~| ERROR associated type takes 0 generic arguments but 1 generic argument -//~| ERROR trait `X` cannot be made into an object +//~| ERROR trait `X` is not dyn compatible diff --git a/tests/rustdoc-ui/invalid_const_in_lifetime_position.stderr b/tests/rustdoc-ui/invalid_const_in_lifetime_position.stderr index 0c3826c5665..180ba63927b 100644 --- a/tests/rustdoc-ui/invalid_const_in_lifetime_position.stderr +++ b/tests/rustdoc-ui/invalid_const_in_lifetime_position.stderr @@ -92,17 +92,18 @@ LL | type Y<'a>; | ^ = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -error[E0038]: the trait `X` cannot be made into an object +error[E0038]: the trait `X` is not dyn compatible --> $DIR/invalid_const_in_lifetime_position.rs:4:20 | LL | fn f<'a>(arg : Box<dyn X<Y<1> = &'a ()>>) {} - | ^^^^^^^^^^^^^^^^^^^^ `X` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^ `X` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/invalid_const_in_lifetime_position.rs:2:10 | LL | trait X { - | - this trait cannot be made into an object... + | - this trait is not dyn compatible... LL | type Y<'a>; | ^ ...because it contains the generic associated type `Y` = help: consider moving `Y` to another trait diff --git a/tests/rustdoc-ui/issues/ice-generic-type-alias-105742.rs b/tests/rustdoc-ui/issues/ice-generic-type-alias-105742.rs index 027574923c7..89b55beaea1 100644 --- a/tests/rustdoc-ui/issues/ice-generic-type-alias-105742.rs +++ b/tests/rustdoc-ui/issues/ice-generic-type-alias-105742.rs @@ -5,8 +5,8 @@ use std::ops::Index; pub fn next<'a, T>(s: &'a mut dyn SVec<Item = T, Output = T>) { //~^ expected 1 lifetime argument //~| expected 1 generic argument - //~| the trait `SVec` cannot be made into an object - //~| `SVec` cannot be made into an object + //~| the trait `SVec` is not dyn compatible + //~| `SVec` is not dyn compatible //~| missing generics for associated type `SVec::Item` //~| missing generics for associated type `SVec::Item` let _ = s; diff --git a/tests/rustdoc-ui/issues/ice-generic-type-alias-105742.stderr b/tests/rustdoc-ui/issues/ice-generic-type-alias-105742.stderr index 97bd44244f3..72d1a52f710 100644 --- a/tests/rustdoc-ui/issues/ice-generic-type-alias-105742.stderr +++ b/tests/rustdoc-ui/issues/ice-generic-type-alias-105742.stderr @@ -294,19 +294,20 @@ help: add missing generic argument LL | Output = <Self as SVec>::Item> as SVec>::Item<T>, | +++ -error[E0038]: the trait `SVec` cannot be made into an object +error[E0038]: the trait `SVec` is not dyn compatible --> $DIR/ice-generic-type-alias-105742.rs:5:35 | LL | pub fn next<'a, T>(s: &'a mut dyn SVec<Item = T, Output = T>) { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ `SVec` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ `SVec` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/ice-generic-type-alias-105742.rs:15:17 | LL | pub trait SVec: Index< | ____________----__^ | | | - | | this trait cannot be made into an object... + | | this trait is not dyn compatible... LL | | <Self as SVec>::Item, ... | LL | |/ Output = <Index<<Self as SVec>::Item, diff --git a/tests/rustdoc/sidebar/sidebar-items.rs b/tests/rustdoc/sidebar/sidebar-items.rs index 57c2eee91a9..6e13457796e 100644 --- a/tests/rustdoc/sidebar/sidebar-items.rs +++ b/tests/rustdoc/sidebar/sidebar-items.rs @@ -26,7 +26,7 @@ pub trait Foo { } //@ has foo/trait.DynCompatible.html -//@ !has - '//div[@class="sidebar-elems"]//h3/a[@href="#object-safety"]' '' +//@ !has - '//div[@class="sidebar-elems"]//h3/a[@href="#dyn-compatibility"]' '' pub trait DynCompatible { fn access(&self); } diff --git a/tests/ui/associated-consts/associated-const-in-trait.rs b/tests/ui/associated-consts/associated-const-in-trait.rs index 4e8143d5795..90ad596b23e 100644 --- a/tests/ui/associated-consts/associated-const-in-trait.rs +++ b/tests/ui/associated-consts/associated-const-in-trait.rs @@ -5,9 +5,9 @@ trait Trait { } impl dyn Trait { - //~^ ERROR the trait `Trait` cannot be made into an object [E0038] + //~^ ERROR the trait `Trait` is not dyn compatible [E0038] const fn n() -> usize { Self::N } - //~^ ERROR the trait `Trait` cannot be made into an object [E0038] + //~^ ERROR the trait `Trait` is not dyn compatible [E0038] } fn main() {} diff --git a/tests/ui/associated-consts/associated-const-in-trait.stderr b/tests/ui/associated-consts/associated-const-in-trait.stderr index b40c1005797..107ceeaf113 100644 --- a/tests/ui/associated-consts/associated-const-in-trait.stderr +++ b/tests/ui/associated-consts/associated-const-in-trait.stderr @@ -1,29 +1,31 @@ -error[E0038]: the trait `Trait` cannot be made into an object +error[E0038]: the trait `Trait` is not dyn compatible --> $DIR/associated-const-in-trait.rs:7:6 | LL | impl dyn Trait { - | ^^^^^^^^^ `Trait` cannot be made into an object + | ^^^^^^^^^ `Trait` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/associated-const-in-trait.rs:4:11 | LL | trait Trait { - | ----- this trait cannot be made into an object... + | ----- this trait is not dyn compatible... LL | const N: usize; | ^ ...because it contains this associated `const` = help: consider moving `N` to another trait -error[E0038]: the trait `Trait` cannot be made into an object +error[E0038]: the trait `Trait` is not dyn compatible --> $DIR/associated-const-in-trait.rs:9:29 | LL | const fn n() -> usize { Self::N } - | ^^^^ `Trait` cannot be made into an object + | ^^^^ `Trait` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/associated-const-in-trait.rs:4:11 | LL | trait Trait { - | ----- this trait cannot be made into an object... + | ----- this trait is not dyn compatible... LL | const N: usize; | ^ ...because it contains this associated `const` = help: consider moving `N` to another trait diff --git a/tests/ui/associated-item/issue-48027.rs b/tests/ui/associated-item/issue-48027.rs index d2b51184c99..715f3935107 100644 --- a/tests/ui/associated-item/issue-48027.rs +++ b/tests/ui/associated-item/issue-48027.rs @@ -3,6 +3,6 @@ trait Bar { fn return_n(&self) -> [u8; Bar::X]; //~ ERROR: E0790 } -impl dyn Bar {} //~ ERROR: the trait `Bar` cannot be made into an object +impl dyn Bar {} //~ ERROR: the trait `Bar` is not dyn compatible fn main() {} diff --git a/tests/ui/associated-item/issue-48027.stderr b/tests/ui/associated-item/issue-48027.stderr index 2883259ce2f..1baaefd7720 100644 --- a/tests/ui/associated-item/issue-48027.stderr +++ b/tests/ui/associated-item/issue-48027.stderr @@ -1,14 +1,15 @@ -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/issue-48027.rs:6:6 | LL | impl dyn Bar {} - | ^^^^^^^ `Bar` cannot be made into an object + | ^^^^^^^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-48027.rs:2:11 | LL | trait Bar { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | const X: usize; | ^ ...because it contains this associated `const` = help: consider moving `X` to another trait diff --git a/tests/ui/async-await/async-closures/is-not-fn.stderr b/tests/ui/async-await/async-closures/is-not-fn.current.stderr index bc1d5e6e9d1..e7be1d5b10e 100644 --- a/tests/ui/async-await/async-closures/is-not-fn.stderr +++ b/tests/ui/async-await/async-closures/is-not-fn.current.stderr @@ -1,5 +1,5 @@ -error[E0271]: expected `{async closure@is-not-fn.rs:5:14}` to be a closure that returns `()`, but it returns `{async closure body@$DIR/is-not-fn.rs:5:23: 5:25}` - --> $DIR/is-not-fn.rs:5:14 +error[E0271]: expected `{async closure@is-not-fn.rs:8:14}` to be a closure that returns `()`, but it returns `{async closure body@$DIR/is-not-fn.rs:8:23: 8:25}` + --> $DIR/is-not-fn.rs:8:14 | LL | needs_fn(async || {}); | -------- ^^^^^^^^^^^ expected `()`, found `async` closure body @@ -7,9 +7,9 @@ LL | needs_fn(async || {}); | required by a bound introduced by this call | = note: expected unit type `()` - found `async` closure body `{async closure body@$DIR/is-not-fn.rs:5:23: 5:25}` + found `async` closure body `{async closure body@$DIR/is-not-fn.rs:8:23: 8:25}` note: required by a bound in `needs_fn` - --> $DIR/is-not-fn.rs:4:25 + --> $DIR/is-not-fn.rs:7:25 | LL | fn needs_fn(x: impl FnOnce()) {} | ^^^^^^^^ required by this bound in `needs_fn` diff --git a/tests/ui/async-await/async-closures/is-not-fn.next.stderr b/tests/ui/async-await/async-closures/is-not-fn.next.stderr new file mode 100644 index 00000000000..e7be1d5b10e --- /dev/null +++ b/tests/ui/async-await/async-closures/is-not-fn.next.stderr @@ -0,0 +1,19 @@ +error[E0271]: expected `{async closure@is-not-fn.rs:8:14}` to be a closure that returns `()`, but it returns `{async closure body@$DIR/is-not-fn.rs:8:23: 8:25}` + --> $DIR/is-not-fn.rs:8:14 + | +LL | needs_fn(async || {}); + | -------- ^^^^^^^^^^^ expected `()`, found `async` closure body + | | + | required by a bound introduced by this call + | + = note: expected unit type `()` + found `async` closure body `{async closure body@$DIR/is-not-fn.rs:8:23: 8:25}` +note: required by a bound in `needs_fn` + --> $DIR/is-not-fn.rs:7:25 + | +LL | fn needs_fn(x: impl FnOnce()) {} + | ^^^^^^^^ required by this bound in `needs_fn` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0271`. diff --git a/tests/ui/async-await/async-closures/is-not-fn.rs b/tests/ui/async-await/async-closures/is-not-fn.rs index 4acaa5d9809..eacd07b7cdd 100644 --- a/tests/ui/async-await/async-closures/is-not-fn.rs +++ b/tests/ui/async-await/async-closures/is-not-fn.rs @@ -1,7 +1,10 @@ //@ edition:2021 +//@ revisions: current next +//@ ignore-compare-mode-next-solver (explicit revisions) +//@[next] compile-flags: -Znext-solver fn main() { fn needs_fn(x: impl FnOnce()) {} needs_fn(async || {}); - //~^ ERROR expected `{async closure@is-not-fn.rs:5:14}` to be a closure that returns `()` + //~^ ERROR expected `{async closure@is-not-fn.rs:8:14}` to be a closure that returns `()` } diff --git a/tests/ui/async-await/async-fn/dyn-pos.rs b/tests/ui/async-await/async-fn/dyn-pos.rs index d71af1bd53e..ab4685b07bb 100644 --- a/tests/ui/async-await/async-fn/dyn-pos.rs +++ b/tests/ui/async-await/async-fn/dyn-pos.rs @@ -1,6 +1,6 @@ //@ edition:2018 fn foo(x: &dyn AsyncFn()) {} -//~^ ERROR the trait `AsyncFnMut` cannot be made into an object +//~^ ERROR the trait `AsyncFnMut` is not dyn compatible fn main() {} diff --git a/tests/ui/async-await/async-fn/dyn-pos.stderr b/tests/ui/async-await/async-fn/dyn-pos.stderr index 0c901846671..f9d2a669477 100644 --- a/tests/ui/async-await/async-fn/dyn-pos.stderr +++ b/tests/ui/async-await/async-fn/dyn-pos.stderr @@ -1,17 +1,14 @@ -error[E0038]: the trait `AsyncFnMut` cannot be made into an object +error[E0038]: the trait `AsyncFnMut` is not dyn compatible --> $DIR/dyn-pos.rs:3:16 | LL | fn foo(x: &dyn AsyncFn()) {} - | ^^^^^^^^^ `AsyncFnMut` cannot be made into an object + | ^^^^^^^^^ `AsyncFnMut` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $SRC_DIR/core/src/ops/async_function.rs:LL:COL | - = note: the trait cannot be made into an object because it contains the generic associated type `CallRefFuture` - = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `AsyncFnMut` for this new enum and using it instead: - &F - &mut F - std::boxed::Box<F, A> + = note: the trait is not dyn compatible because it contains the generic associated type `CallRefFuture` error: aborting due to 1 previous error diff --git a/tests/ui/async-await/in-trait/dyn-compatibility.rs b/tests/ui/async-await/in-trait/dyn-compatibility.rs index 8174a803e79..c1b1ec79784 100644 --- a/tests/ui/async-await/in-trait/dyn-compatibility.rs +++ b/tests/ui/async-await/in-trait/dyn-compatibility.rs @@ -7,5 +7,5 @@ trait Foo { fn main() { let x: &dyn Foo = todo!(); - //~^ ERROR the trait `Foo` cannot be made into an object + //~^ ERROR the trait `Foo` is not dyn compatible } diff --git a/tests/ui/async-await/in-trait/dyn-compatibility.stderr b/tests/ui/async-await/in-trait/dyn-compatibility.stderr index 5cc3b6800dd..c6c406902f6 100644 --- a/tests/ui/async-await/in-trait/dyn-compatibility.stderr +++ b/tests/ui/async-await/in-trait/dyn-compatibility.stderr @@ -1,14 +1,15 @@ -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/dyn-compatibility.rs:9:12 | LL | let x: &dyn Foo = todo!(); - | ^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/dyn-compatibility.rs:5:14 | LL | trait Foo { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | async fn foo(&self); | ^^^ ...because method `foo` is `async` = help: consider moving `foo` to another trait diff --git a/tests/ui/async-await/inference_var_self_argument.rs b/tests/ui/async-await/inference_var_self_argument.rs index 4d5ac4abb19..d03f2b5c50b 100644 --- a/tests/ui/async-await/inference_var_self_argument.rs +++ b/tests/ui/async-await/inference_var_self_argument.rs @@ -3,7 +3,7 @@ trait Foo { async fn foo(self: &dyn Foo) { - //~^ ERROR: `Foo` cannot be made into an object + //~^ ERROR: `Foo` is not dyn compatible //~| ERROR invalid `self` parameter type: `&dyn Foo` todo!() } diff --git a/tests/ui/async-await/inference_var_self_argument.stderr b/tests/ui/async-await/inference_var_self_argument.stderr index 7b7b3dbc757..a674fc0f3a5 100644 --- a/tests/ui/async-await/inference_var_self_argument.stderr +++ b/tests/ui/async-await/inference_var_self_argument.stderr @@ -7,17 +7,18 @@ LL | async fn foo(self: &dyn Foo) { = note: type of `self` must be `Self` or a type that dereferences to it = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`) -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/inference_var_self_argument.rs:5:5 | LL | async fn foo(self: &dyn Foo) { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/inference_var_self_argument.rs:5:14 | LL | trait Foo { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | async fn foo(self: &dyn Foo) { | ^^^ ...because method `foo` is `async` = help: consider moving `foo` to another trait diff --git a/tests/ui/coherence/coherence-impl-trait-for-trait-dyn-compatible.stderr b/tests/ui/coherence/coherence-impl-trait-for-trait-dyn-compatible.stderr index 542be2dbc30..20257bbaf28 100644 --- a/tests/ui/coherence/coherence-impl-trait-for-trait-dyn-compatible.stderr +++ b/tests/ui/coherence/coherence-impl-trait-for-trait-dyn-compatible.stderr @@ -1,16 +1,17 @@ -error[E0038]: the trait `DynIncompatible` cannot be made into an object +error[E0038]: the trait `DynIncompatible` is not dyn compatible --> $DIR/coherence-impl-trait-for-trait-dyn-compatible.rs:7:26 | LL | impl DynIncompatible for dyn DynIncompatible { } - | ^^^^^^^^^^^^^^^^^^^ `DynIncompatible` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^ `DynIncompatible` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/coherence-impl-trait-for-trait-dyn-compatible.rs:6:45 | LL | trait DynIncompatible { fn eq(&self, other: Self); } | --------------- ^^^^ ...because method `eq` references the `Self` type in this parameter | | - | this trait cannot be made into an object... + | this trait is not dyn compatible... = help: consider moving `eq` to another trait error[E0046]: not all trait items implemented, missing: `eq` diff --git a/tests/ui/const-generics/adt_const_params/const_param_ty_dyn_compatibility.stderr b/tests/ui/const-generics/adt_const_params/const_param_ty_dyn_compatibility.stderr index 7cd5754be8a..cd7f3a3c21d 100644 --- a/tests/ui/const-generics/adt_const_params/const_param_ty_dyn_compatibility.stderr +++ b/tests/ui/const-generics/adt_const_params/const_param_ty_dyn_compatibility.stderr @@ -1,28 +1,30 @@ -error[E0038]: the trait `ConstParamTy_` cannot be made into an object +error[E0038]: the trait `ConstParamTy_` is not dyn compatible --> $DIR/const_param_ty_dyn_compatibility.rs:6:16 | LL | fn foo(a: &dyn ConstParamTy_) {} - | ^^^^^^^^^^^^^ `ConstParamTy_` cannot be made into an object + | ^^^^^^^^^^^^^ `ConstParamTy_` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $SRC_DIR/core/src/cmp.rs:LL:COL | - = note: the trait cannot be made into an object because it uses `Self` as a type parameter + = note: the trait is not dyn compatible because it uses `Self` as a type parameter help: consider using an opaque type instead | LL | fn foo(a: &impl ConstParamTy_) {} | ~~~~ -error[E0038]: the trait `UnsizedConstParamTy` cannot be made into an object +error[E0038]: the trait `UnsizedConstParamTy` is not dyn compatible --> $DIR/const_param_ty_dyn_compatibility.rs:9:16 | LL | fn bar(a: &dyn UnsizedConstParamTy) {} - | ^^^^^^^^^^^^^^^^^^^ `UnsizedConstParamTy` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^ `UnsizedConstParamTy` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $SRC_DIR/core/src/cmp.rs:LL:COL | - = note: the trait cannot be made into an object because it uses `Self` as a type parameter + = note: the trait is not dyn compatible because it uses `Self` as a type parameter help: consider using an opaque type instead | LL | fn bar(a: &impl UnsizedConstParamTy) {} diff --git a/tests/ui/const-generics/generic_const_exprs/dyn-compatibility-err-ret.rs b/tests/ui/const-generics/generic_const_exprs/dyn-compatibility-err-ret.rs index 1620e257667..9ab715d01f7 100644 --- a/tests/ui/const-generics/generic_const_exprs/dyn-compatibility-err-ret.rs +++ b/tests/ui/const-generics/generic_const_exprs/dyn-compatibility-err-ret.rs @@ -14,8 +14,8 @@ impl Foo for () { } } -fn use_dyn(v: &dyn Foo) { //~ERROR the trait `Foo` cannot be made into an object - v.test(); //~ERROR the trait `Foo` cannot be made into an object +fn use_dyn(v: &dyn Foo) { //~ERROR the trait `Foo` is not dyn compatible + v.test(); //~ERROR the trait `Foo` is not dyn compatible } fn main() {} diff --git a/tests/ui/const-generics/generic_const_exprs/dyn-compatibility-err-ret.stderr b/tests/ui/const-generics/generic_const_exprs/dyn-compatibility-err-ret.stderr index d2017615e67..763bc626c9d 100644 --- a/tests/ui/const-generics/generic_const_exprs/dyn-compatibility-err-ret.stderr +++ b/tests/ui/const-generics/generic_const_exprs/dyn-compatibility-err-ret.stderr @@ -1,38 +1,40 @@ -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/dyn-compatibility-err-ret.rs:17:16 | LL | fn use_dyn(v: &dyn Foo) { - | ^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/dyn-compatibility-err-ret.rs:8:8 | LL | trait Foo { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn test(&self) -> [u8; bar::<Self>()]; | ^^^^ ^^^^^^^^^^^^^^^^^^^ ...because method `test` references the `Self` type in its return type | | | ...because method `test` references the `Self` type in its `where` clause = help: consider moving `test` to another trait - = help: only type `()` implements the trait, consider using it directly instead + = help: only type `()` implements `Foo`; consider using it directly instead. -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/dyn-compatibility-err-ret.rs:18:5 | LL | v.test(); - | ^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/dyn-compatibility-err-ret.rs:8:8 | LL | trait Foo { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn test(&self) -> [u8; bar::<Self>()]; | ^^^^ ^^^^^^^^^^^^^^^^^^^ ...because method `test` references the `Self` type in its return type | | | ...because method `test` references the `Self` type in its `where` clause = help: consider moving `test` to another trait - = help: only type `()` implements the trait, consider using it directly instead + = help: only type `()` implements `Foo`; consider using it directly instead. error: aborting due to 2 previous errors diff --git a/tests/ui/const-generics/generic_const_exprs/dyn-compatibility-err-where-bounds.rs b/tests/ui/const-generics/generic_const_exprs/dyn-compatibility-err-where-bounds.rs index b3bbb842638..a7b771cd4f8 100644 --- a/tests/ui/const-generics/generic_const_exprs/dyn-compatibility-err-where-bounds.rs +++ b/tests/ui/const-generics/generic_const_exprs/dyn-compatibility-err-where-bounds.rs @@ -13,9 +13,9 @@ impl Foo for () { } fn use_dyn(v: &dyn Foo) { - //~^ ERROR the trait `Foo` cannot be made into an object + //~^ ERROR the trait `Foo` is not dyn compatible v.test(); - //~^ ERROR the trait `Foo` cannot be made into an object + //~^ ERROR the trait `Foo` is not dyn compatible } fn main() {} diff --git a/tests/ui/const-generics/generic_const_exprs/dyn-compatibility-err-where-bounds.stderr b/tests/ui/const-generics/generic_const_exprs/dyn-compatibility-err-where-bounds.stderr index 26ca2d4df5f..56678e4e9af 100644 --- a/tests/ui/const-generics/generic_const_exprs/dyn-compatibility-err-where-bounds.stderr +++ b/tests/ui/const-generics/generic_const_exprs/dyn-compatibility-err-where-bounds.stderr @@ -1,34 +1,36 @@ -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/dyn-compatibility-err-where-bounds.rs:15:16 | LL | fn use_dyn(v: &dyn Foo) { - | ^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/dyn-compatibility-err-where-bounds.rs:8:8 | LL | trait Foo { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn test(&self) where [u8; bar::<Self>()]: Sized; | ^^^^ ...because method `test` references the `Self` type in its `where` clause = help: consider moving `test` to another trait - = help: only type `()` implements the trait, consider using it directly instead + = help: only type `()` implements `Foo`; consider using it directly instead. -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/dyn-compatibility-err-where-bounds.rs:17:5 | LL | v.test(); - | ^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/dyn-compatibility-err-where-bounds.rs:8:8 | LL | trait Foo { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn test(&self) where [u8; bar::<Self>()]: Sized; | ^^^^ ...because method `test` references the `Self` type in its `where` clause = help: consider moving `test` to another trait - = help: only type `()` implements the trait, consider using it directly instead + = help: only type `()` implements `Foo`; consider using it directly instead. error: aborting due to 2 previous errors diff --git a/tests/ui/const-generics/generic_const_exprs/issue-102768.rs b/tests/ui/const-generics/generic_const_exprs/issue-102768.rs index f2ad7d7ce8b..882b27a418e 100644 --- a/tests/ui/const-generics/generic_const_exprs/issue-102768.rs +++ b/tests/ui/const-generics/generic_const_exprs/issue-102768.rs @@ -13,7 +13,7 @@ const _: () = { //~| ERROR associated type takes 0 generic arguments but 1 generic argument //~| ERROR associated type takes 1 lifetime argument but 0 lifetime arguments //~| ERROR associated type takes 0 generic arguments but 1 generic argument - //~| ERROR `X` cannot be made into an object + //~| ERROR `X` is not dyn compatible }; fn main() {} diff --git a/tests/ui/const-generics/generic_const_exprs/issue-102768.stderr b/tests/ui/const-generics/generic_const_exprs/issue-102768.stderr index 9a75f372879..bd1811bd2cc 100644 --- a/tests/ui/const-generics/generic_const_exprs/issue-102768.stderr +++ b/tests/ui/const-generics/generic_const_exprs/issue-102768.stderr @@ -92,17 +92,18 @@ LL | type Y<'a>; | ^ = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -error[E0038]: the trait `X` cannot be made into an object +error[E0038]: the trait `X` is not dyn compatible --> $DIR/issue-102768.rs:9:24 | LL | fn f2<'a>(arg: Box<dyn X<Y<1> = &'a ()>>) {} - | ^^^^^^^^^^^^^^^^^^^^ `X` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^ `X` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-102768.rs:5:10 | LL | trait X { - | - this trait cannot be made into an object... + | - this trait is not dyn compatible... LL | type Y<'a>; | ^ ...because it contains the generic associated type `Y` = help: consider moving `Y` to another trait diff --git a/tests/ui/const-generics/generic_const_exprs/issue-80742.stderr b/tests/ui/const-generics/generic_const_exprs/issue-80742.stderr index c851a8380f2..d90380396c1 100644 --- a/tests/ui/const-generics/generic_const_exprs/issue-80742.stderr +++ b/tests/ui/const-generics/generic_const_exprs/issue-80742.stderr @@ -6,6 +6,6 @@ Box<dyn Any> query stack during panic: #0 [eval_to_allocation_raw] const-evaluating + checking `<impl at $DIR/issue-80742.rs:26:1: 28:32>::{constant#0}` #1 [eval_to_valtree] evaluating type-level constant -end of query stack +... and 2 other queries... use `env RUST_BACKTRACE=1` to see the full query stack error: aborting due to 1 previous error diff --git a/tests/ui/debuginfo/windows_gnu_split_debuginfo_off.rs b/tests/ui/debuginfo/windows_gnu_split_debuginfo_off.rs new file mode 100644 index 00000000000..3a8d9c998cf --- /dev/null +++ b/tests/ui/debuginfo/windows_gnu_split_debuginfo_off.rs @@ -0,0 +1,29 @@ +//@ revisions: aarch64_gl i686_g i686_gl i686_uwp_g x86_64_g x86_64_gl x86_64_uwp_g +//@ compile-flags: --crate-type cdylib -Csplit-debuginfo=off +//@ check-pass + +//@[aarch64_gl] compile-flags: --target aarch64-pc-windows-gnullvm +//@[aarch64_gl] needs-llvm-components: aarch64 + +//@[i686_g] compile-flags: --target i686-pc-windows-gnu +//@[i686_g] needs-llvm-components: x86 + +//@[i686_gl] compile-flags: --target i686-pc-windows-gnullvm +//@[i686_gl] needs-llvm-components: x86 + +//@[i686_uwp_g] compile-flags: --target i686-uwp-windows-gnu +//@[i686_uwp_g] needs-llvm-components: x86 + +//@[x86_64_g] compile-flags: --target x86_64-pc-windows-gnu +//@[x86_64_g] needs-llvm-components: x86 + +//@[x86_64_gl] compile-flags: --target x86_64-pc-windows-gnullvm +//@[x86_64_gl] needs-llvm-components: x86 + +//@[x86_64_uwp_g] compile-flags: --target x86_64-uwp-windows-gnu +//@[x86_64_uwp_g] needs-llvm-components: x86 + +#![feature(no_core)] + +#![no_core] +#![no_std] diff --git a/tests/ui/debuginfo/windows_gnu_split_debuginfo_packed.aarch64_gl.stderr b/tests/ui/debuginfo/windows_gnu_split_debuginfo_packed.aarch64_gl.stderr new file mode 100644 index 00000000000..f3465e64976 --- /dev/null +++ b/tests/ui/debuginfo/windows_gnu_split_debuginfo_packed.aarch64_gl.stderr @@ -0,0 +1,4 @@ +error: `-Csplit-debuginfo=packed` is unstable on this platform + +error: aborting due to 1 previous error + diff --git a/tests/ui/debuginfo/windows_gnu_split_debuginfo_packed.i686_g.stderr b/tests/ui/debuginfo/windows_gnu_split_debuginfo_packed.i686_g.stderr new file mode 100644 index 00000000000..f3465e64976 --- /dev/null +++ b/tests/ui/debuginfo/windows_gnu_split_debuginfo_packed.i686_g.stderr @@ -0,0 +1,4 @@ +error: `-Csplit-debuginfo=packed` is unstable on this platform + +error: aborting due to 1 previous error + diff --git a/tests/ui/debuginfo/windows_gnu_split_debuginfo_packed.i686_gl.stderr b/tests/ui/debuginfo/windows_gnu_split_debuginfo_packed.i686_gl.stderr new file mode 100644 index 00000000000..f3465e64976 --- /dev/null +++ b/tests/ui/debuginfo/windows_gnu_split_debuginfo_packed.i686_gl.stderr @@ -0,0 +1,4 @@ +error: `-Csplit-debuginfo=packed` is unstable on this platform + +error: aborting due to 1 previous error + diff --git a/tests/ui/debuginfo/windows_gnu_split_debuginfo_packed.i686_uwp_g.stderr b/tests/ui/debuginfo/windows_gnu_split_debuginfo_packed.i686_uwp_g.stderr new file mode 100644 index 00000000000..f3465e64976 --- /dev/null +++ b/tests/ui/debuginfo/windows_gnu_split_debuginfo_packed.i686_uwp_g.stderr @@ -0,0 +1,4 @@ +error: `-Csplit-debuginfo=packed` is unstable on this platform + +error: aborting due to 1 previous error + diff --git a/tests/ui/debuginfo/windows_gnu_split_debuginfo_packed.rs b/tests/ui/debuginfo/windows_gnu_split_debuginfo_packed.rs new file mode 100644 index 00000000000..896bbac7d8e --- /dev/null +++ b/tests/ui/debuginfo/windows_gnu_split_debuginfo_packed.rs @@ -0,0 +1,29 @@ +//@ revisions: aarch64_gl i686_g i686_gl i686_uwp_g x86_64_g x86_64_gl x86_64_uwp_g +//@ compile-flags: --crate-type cdylib -Csplit-debuginfo=packed +//@ error-pattern: error: `-Csplit-debuginfo=packed` is unstable on this platform + +//@[aarch64_gl] compile-flags: --target aarch64-pc-windows-gnullvm +//@[aarch64_gl] needs-llvm-components: aarch64 + +//@[i686_g] compile-flags: --target i686-pc-windows-gnu +//@[i686_g] needs-llvm-components: x86 + +//@[i686_gl] compile-flags: --target i686-pc-windows-gnullvm +//@[i686_gl] needs-llvm-components: x86 + +//@[i686_uwp_g] compile-flags: --target i686-uwp-windows-gnu +//@[i686_uwp_g] needs-llvm-components: x86 + +//@[x86_64_g] compile-flags: --target x86_64-pc-windows-gnu +//@[x86_64_g] needs-llvm-components: x86 + +//@[x86_64_gl] compile-flags: --target x86_64-pc-windows-gnullvm +//@[x86_64_gl] needs-llvm-components: x86 + +//@[x86_64_uwp_g] compile-flags: --target x86_64-uwp-windows-gnu +//@[x86_64_uwp_g] needs-llvm-components: x86 + +#![feature(no_core)] + +#![no_core] +#![no_std] diff --git a/tests/ui/debuginfo/windows_gnu_split_debuginfo_packed.x86_64_g.stderr b/tests/ui/debuginfo/windows_gnu_split_debuginfo_packed.x86_64_g.stderr new file mode 100644 index 00000000000..f3465e64976 --- /dev/null +++ b/tests/ui/debuginfo/windows_gnu_split_debuginfo_packed.x86_64_g.stderr @@ -0,0 +1,4 @@ +error: `-Csplit-debuginfo=packed` is unstable on this platform + +error: aborting due to 1 previous error + diff --git a/tests/ui/debuginfo/windows_gnu_split_debuginfo_packed.x86_64_gl.stderr b/tests/ui/debuginfo/windows_gnu_split_debuginfo_packed.x86_64_gl.stderr new file mode 100644 index 00000000000..f3465e64976 --- /dev/null +++ b/tests/ui/debuginfo/windows_gnu_split_debuginfo_packed.x86_64_gl.stderr @@ -0,0 +1,4 @@ +error: `-Csplit-debuginfo=packed` is unstable on this platform + +error: aborting due to 1 previous error + diff --git a/tests/ui/debuginfo/windows_gnu_split_debuginfo_packed.x86_64_uwp_g.stderr b/tests/ui/debuginfo/windows_gnu_split_debuginfo_packed.x86_64_uwp_g.stderr new file mode 100644 index 00000000000..f3465e64976 --- /dev/null +++ b/tests/ui/debuginfo/windows_gnu_split_debuginfo_packed.x86_64_uwp_g.stderr @@ -0,0 +1,4 @@ +error: `-Csplit-debuginfo=packed` is unstable on this platform + +error: aborting due to 1 previous error + diff --git a/tests/ui/debuginfo/windows_gnu_split_debuginfo_unpacked.aarch64_gl.stderr b/tests/ui/debuginfo/windows_gnu_split_debuginfo_unpacked.aarch64_gl.stderr new file mode 100644 index 00000000000..0964e21b13b --- /dev/null +++ b/tests/ui/debuginfo/windows_gnu_split_debuginfo_unpacked.aarch64_gl.stderr @@ -0,0 +1,4 @@ +error: `-Csplit-debuginfo=unpacked` is unstable on this platform + +error: aborting due to 1 previous error + diff --git a/tests/ui/debuginfo/windows_gnu_split_debuginfo_unpacked.i686_g.stderr b/tests/ui/debuginfo/windows_gnu_split_debuginfo_unpacked.i686_g.stderr new file mode 100644 index 00000000000..0964e21b13b --- /dev/null +++ b/tests/ui/debuginfo/windows_gnu_split_debuginfo_unpacked.i686_g.stderr @@ -0,0 +1,4 @@ +error: `-Csplit-debuginfo=unpacked` is unstable on this platform + +error: aborting due to 1 previous error + diff --git a/tests/ui/debuginfo/windows_gnu_split_debuginfo_unpacked.i686_gl.stderr b/tests/ui/debuginfo/windows_gnu_split_debuginfo_unpacked.i686_gl.stderr new file mode 100644 index 00000000000..0964e21b13b --- /dev/null +++ b/tests/ui/debuginfo/windows_gnu_split_debuginfo_unpacked.i686_gl.stderr @@ -0,0 +1,4 @@ +error: `-Csplit-debuginfo=unpacked` is unstable on this platform + +error: aborting due to 1 previous error + diff --git a/tests/ui/debuginfo/windows_gnu_split_debuginfo_unpacked.i686_uwp_g.stderr b/tests/ui/debuginfo/windows_gnu_split_debuginfo_unpacked.i686_uwp_g.stderr new file mode 100644 index 00000000000..0964e21b13b --- /dev/null +++ b/tests/ui/debuginfo/windows_gnu_split_debuginfo_unpacked.i686_uwp_g.stderr @@ -0,0 +1,4 @@ +error: `-Csplit-debuginfo=unpacked` is unstable on this platform + +error: aborting due to 1 previous error + diff --git a/tests/ui/debuginfo/windows_gnu_split_debuginfo_unpacked.rs b/tests/ui/debuginfo/windows_gnu_split_debuginfo_unpacked.rs new file mode 100644 index 00000000000..54a88c91217 --- /dev/null +++ b/tests/ui/debuginfo/windows_gnu_split_debuginfo_unpacked.rs @@ -0,0 +1,29 @@ +//@ revisions: aarch64_gl i686_g i686_gl i686_uwp_g x86_64_g x86_64_gl x86_64_uwp_g +//@ compile-flags: --crate-type cdylib -Csplit-debuginfo=unpacked +//@ error-pattern: error: `-Csplit-debuginfo=unpacked` is unstable on this platform + +//@[aarch64_gl] compile-flags: --target aarch64-pc-windows-gnullvm +//@[aarch64_gl] needs-llvm-components: aarch64 + +//@[i686_g] compile-flags: --target i686-pc-windows-gnu +//@[i686_g] needs-llvm-components: x86 + +//@[i686_gl] compile-flags: --target i686-pc-windows-gnullvm +//@[i686_gl] needs-llvm-components: x86 + +//@[i686_uwp_g] compile-flags: --target i686-uwp-windows-gnu +//@[i686_uwp_g] needs-llvm-components: x86 + +//@[x86_64_g] compile-flags: --target x86_64-pc-windows-gnu +//@[x86_64_g] needs-llvm-components: x86 + +//@[x86_64_gl] compile-flags: --target x86_64-pc-windows-gnullvm +//@[x86_64_gl] needs-llvm-components: x86 + +//@[x86_64_uwp_g] compile-flags: --target x86_64-uwp-windows-gnu +//@[x86_64_uwp_g] needs-llvm-components: x86 + +#![feature(no_core)] + +#![no_core] +#![no_std] diff --git a/tests/ui/debuginfo/windows_gnu_split_debuginfo_unpacked.x86_64_g.stderr b/tests/ui/debuginfo/windows_gnu_split_debuginfo_unpacked.x86_64_g.stderr new file mode 100644 index 00000000000..0964e21b13b --- /dev/null +++ b/tests/ui/debuginfo/windows_gnu_split_debuginfo_unpacked.x86_64_g.stderr @@ -0,0 +1,4 @@ +error: `-Csplit-debuginfo=unpacked` is unstable on this platform + +error: aborting due to 1 previous error + diff --git a/tests/ui/debuginfo/windows_gnu_split_debuginfo_unpacked.x86_64_gl.stderr b/tests/ui/debuginfo/windows_gnu_split_debuginfo_unpacked.x86_64_gl.stderr new file mode 100644 index 00000000000..0964e21b13b --- /dev/null +++ b/tests/ui/debuginfo/windows_gnu_split_debuginfo_unpacked.x86_64_gl.stderr @@ -0,0 +1,4 @@ +error: `-Csplit-debuginfo=unpacked` is unstable on this platform + +error: aborting due to 1 previous error + diff --git a/tests/ui/debuginfo/windows_gnu_split_debuginfo_unpacked.x86_64_uwp_g.stderr b/tests/ui/debuginfo/windows_gnu_split_debuginfo_unpacked.x86_64_uwp_g.stderr new file mode 100644 index 00000000000..0964e21b13b --- /dev/null +++ b/tests/ui/debuginfo/windows_gnu_split_debuginfo_unpacked.x86_64_uwp_g.stderr @@ -0,0 +1,4 @@ +error: `-Csplit-debuginfo=unpacked` is unstable on this platform + +error: aborting due to 1 previous error + diff --git a/tests/ui/did_you_mean/trait-object-reference-without-parens-suggestion.rs b/tests/ui/did_you_mean/trait-object-reference-without-parens-suggestion.rs index c9a097d3610..9cd32ffeb6d 100644 --- a/tests/ui/did_you_mean/trait-object-reference-without-parens-suggestion.rs +++ b/tests/ui/did_you_mean/trait-object-reference-without-parens-suggestion.rs @@ -2,6 +2,6 @@ fn main() { let _: &Copy + 'static; //~ ERROR expected a path - //~^ ERROR cannot be made into an object + //~^ ERROR is not dyn compatible let _: &'static Copy + 'static; //~ ERROR expected a path } diff --git a/tests/ui/did_you_mean/trait-object-reference-without-parens-suggestion.stderr b/tests/ui/did_you_mean/trait-object-reference-without-parens-suggestion.stderr index 8ef0d178444..7994ddf11c3 100644 --- a/tests/ui/did_you_mean/trait-object-reference-without-parens-suggestion.stderr +++ b/tests/ui/did_you_mean/trait-object-reference-without-parens-suggestion.stderr @@ -20,14 +20,15 @@ help: try adding parentheses LL | let _: &'static (Copy + 'static); | + + -error[E0038]: the trait `Copy` cannot be made into an object +error[E0038]: the trait `Copy` is not dyn compatible --> $DIR/trait-object-reference-without-parens-suggestion.rs:4:12 | LL | let _: &Copy + 'static; - | ^^^^^ `Copy` cannot be made into an object + | ^^^^^ `Copy` is not dyn compatible | - = note: the trait cannot be made into an object because it requires `Self: Sized` - = note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + = note: the trait is not dyn compatible because it requires `Self: Sized` + = note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> error: aborting due to 3 previous errors diff --git a/tests/ui/drop/lint-if-let-rescope-with-macro.stderr b/tests/ui/drop/lint-if-let-rescope-with-macro.stderr index d73a878c74f..029d5c74929 100644 --- a/tests/ui/drop/lint-if-let-rescope-with-macro.stderr +++ b/tests/ui/drop/lint-if-let-rescope-with-macro.stderr @@ -2,7 +2,7 @@ error: `if let` assigns a shorter lifetime since Edition 2024 --> $DIR/lint-if-let-rescope-with-macro.rs:12:12 | LL | if let $p = $e { $($conseq)* } else { $($alt)* } - | ^^^ + | ^^^^^^^^^^^ ... LL | / edition_2021_if_let! { LL | | Some(_value), diff --git a/tests/ui/dyn-compatibility/almost-supertrait-associated-type.rs b/tests/ui/dyn-compatibility/almost-supertrait-associated-type.rs index 83076f7d5fc..1b1b8bcf03d 100644 --- a/tests/ui/dyn-compatibility/almost-supertrait-associated-type.rs +++ b/tests/ui/dyn-compatibility/almost-supertrait-associated-type.rs @@ -5,8 +5,8 @@ use std::marker::PhantomData; fn transmute<T, U>(t: T) -> U { (&PhantomData::<T> as &dyn Foo<T, U>).transmute(t) - //~^ ERROR the trait `Foo` cannot be made into an object - //~| ERROR the trait `Foo` cannot be made into an object + //~^ ERROR the trait `Foo` is not dyn compatible + //~| ERROR the trait `Foo` is not dyn compatible } struct ActuallySuper; @@ -19,7 +19,7 @@ trait Dyn { type Out; } impl<T, U> Dyn for dyn Foo<T, U> + '_ { -//~^ ERROR the trait `Foo` cannot be made into an object +//~^ ERROR the trait `Foo` is not dyn compatible type Out = U; } impl<S: Dyn<Out = U> + ?Sized, U> Super<NotActuallySuper> for S { diff --git a/tests/ui/dyn-compatibility/almost-supertrait-associated-type.stderr b/tests/ui/dyn-compatibility/almost-supertrait-associated-type.stderr index 99bcccc20c0..f241333f2a7 100644 --- a/tests/ui/dyn-compatibility/almost-supertrait-associated-type.stderr +++ b/tests/ui/dyn-compatibility/almost-supertrait-associated-type.stderr @@ -1,53 +1,53 @@ -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/almost-supertrait-associated-type.rs:21:20 | LL | impl<T, U> Dyn for dyn Foo<T, U> + '_ { - | ^^^^^^^^^^^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/almost-supertrait-associated-type.rs:33:34 | LL | trait Foo<T, U>: Super<ActuallySuper, Assoc = T> - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... ... LL | fn transmute(&self, t: T) -> <Self as Super<NotActuallySuper>>::Assoc; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ...because method `transmute` references the `Self` type in its return type = help: consider moving `transmute` to another trait - = help: only type `std::marker::PhantomData<T>` implements the trait, consider using it directly instead -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/almost-supertrait-associated-type.rs:7:27 | LL | (&PhantomData::<T> as &dyn Foo<T, U>).transmute(t) - | ^^^^^^^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/almost-supertrait-associated-type.rs:33:34 | LL | trait Foo<T, U>: Super<ActuallySuper, Assoc = T> - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... ... LL | fn transmute(&self, t: T) -> <Self as Super<NotActuallySuper>>::Assoc; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ...because method `transmute` references the `Self` type in its return type = help: consider moving `transmute` to another trait - = help: only type `std::marker::PhantomData<T>` implements the trait, consider using it directly instead -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/almost-supertrait-associated-type.rs:7:6 | LL | (&PhantomData::<T> as &dyn Foo<T, U>).transmute(t) - | ^^^^^^^^^^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^^^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/almost-supertrait-associated-type.rs:33:34 | LL | trait Foo<T, U>: Super<ActuallySuper, Assoc = T> - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... ... LL | fn transmute(&self, t: T) -> <Self as Super<NotActuallySuper>>::Assoc; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ...because method `transmute` references the `Self` type in its return type = help: consider moving `transmute` to another trait - = help: only type `std::marker::PhantomData<T>` implements the trait, consider using it directly instead = note: required for the cast from `&PhantomData<T>` to `&dyn Foo<T, U>` error: aborting due to 3 previous errors diff --git a/tests/ui/dyn-compatibility/associated-consts.curr.stderr b/tests/ui/dyn-compatibility/associated-consts.curr.stderr index 17d184942c7..45d4f795542 100644 --- a/tests/ui/dyn-compatibility/associated-consts.curr.stderr +++ b/tests/ui/dyn-compatibility/associated-consts.curr.stderr @@ -1,29 +1,31 @@ -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/associated-consts.rs:12:31 | LL | fn make_bar<T:Bar>(t: &T) -> &dyn Bar { - | ^^^^^^^ `Bar` cannot be made into an object + | ^^^^^^^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/associated-consts.rs:9:11 | LL | trait Bar { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | const X: usize; | ^ ...because it contains this associated `const` = help: consider moving `X` to another trait -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/associated-consts.rs:14:5 | LL | t - | ^ `Bar` cannot be made into an object + | ^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/associated-consts.rs:9:11 | LL | trait Bar { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | const X: usize; | ^ ...because it contains this associated `const` = help: consider moving `X` to another trait diff --git a/tests/ui/dyn-compatibility/associated-consts.dyn_compatible_for_dispatch.stderr b/tests/ui/dyn-compatibility/associated-consts.dyn_compatible_for_dispatch.stderr index cc5120232c2..4c8c82196ed 100644 --- a/tests/ui/dyn-compatibility/associated-consts.dyn_compatible_for_dispatch.stderr +++ b/tests/ui/dyn-compatibility/associated-consts.dyn_compatible_for_dispatch.stderr @@ -1,14 +1,15 @@ -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/associated-consts.rs:14:5 | LL | t - | ^ `Bar` cannot be made into an object + | ^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/associated-consts.rs:9:11 | LL | trait Bar { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | const X: usize; | ^ ...because it contains this associated `const` = help: consider moving `X` to another trait diff --git a/tests/ui/dyn-compatibility/avoid-ice-on-warning-2.old.stderr b/tests/ui/dyn-compatibility/avoid-ice-on-warning-2.old.stderr index 54daefea31c..ff5e9fdb6b3 100644 --- a/tests/ui/dyn-compatibility/avoid-ice-on-warning-2.old.stderr +++ b/tests/ui/dyn-compatibility/avoid-ice-on-warning-2.old.stderr @@ -26,14 +26,15 @@ help: if this is a dyn-compatible trait, use `dyn` LL | fn id<F>(f: dyn Copy) -> usize { | +++ -error[E0038]: the trait `Copy` cannot be made into an object +error[E0038]: the trait `Copy` is not dyn compatible --> $DIR/avoid-ice-on-warning-2.rs:4:13 | LL | fn id<F>(f: Copy) -> usize { - | ^^^^ `Copy` cannot be made into an object + | ^^^^ `Copy` is not dyn compatible | - = note: the trait cannot be made into an object because it requires `Self: Sized` - = note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + = note: the trait is not dyn compatible because it requires `Self: Sized` + = note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> error[E0618]: expected function, found `(dyn Copy + 'static)` --> $DIR/avoid-ice-on-warning-2.rs:12:5 diff --git a/tests/ui/dyn-compatibility/avoid-ice-on-warning-2.rs b/tests/ui/dyn-compatibility/avoid-ice-on-warning-2.rs index 3c2da667b39..312e0d666f1 100644 --- a/tests/ui/dyn-compatibility/avoid-ice-on-warning-2.rs +++ b/tests/ui/dyn-compatibility/avoid-ice-on-warning-2.rs @@ -3,7 +3,7 @@ //@[new] edition:2021 fn id<F>(f: Copy) -> usize { //[new]~^ ERROR expected a type, found a trait -//[old]~^^ ERROR the trait `Copy` cannot be made into an object +//[old]~^^ ERROR the trait `Copy` is not dyn compatible //[old]~| ERROR the size for values of type `(dyn Copy + 'static)` //[old]~| WARN trait objects without an explicit `dyn` are deprecated //[old]~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! diff --git a/tests/ui/dyn-compatibility/avoid-ice-on-warning-3.old.stderr b/tests/ui/dyn-compatibility/avoid-ice-on-warning-3.old.stderr index 6bc2d73a0d0..92a2d340115 100644 --- a/tests/ui/dyn-compatibility/avoid-ice-on-warning-3.old.stderr +++ b/tests/ui/dyn-compatibility/avoid-ice-on-warning-3.old.stderr @@ -65,19 +65,20 @@ help: if this is a dyn-compatible trait, use `dyn` LL | trait B { fn f(a: dyn A) -> A; } | +++ -error[E0038]: the trait `A` cannot be made into an object +error[E0038]: the trait `A` is not dyn compatible --> $DIR/avoid-ice-on-warning-3.rs:4:19 | LL | trait B { fn f(a: A) -> A; } - | ^ `A` cannot be made into an object + | ^ `A` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/avoid-ice-on-warning-3.rs:14:14 | LL | trait A { fn g(b: B) -> B; } | - ^ ...because associated function `g` has no `self` parameter | | - | this trait cannot be made into an object... + | this trait is not dyn compatible... help: consider turning `g` into a method by giving it a `&self` argument | LL | trait A { fn g(&self, b: B) -> B; } @@ -101,19 +102,20 @@ help: if this is a dyn-compatible trait, use `dyn` LL | trait A { fn g(b: dyn B) -> B; } | +++ -error[E0038]: the trait `B` cannot be made into an object +error[E0038]: the trait `B` is not dyn compatible --> $DIR/avoid-ice-on-warning-3.rs:14:19 | LL | trait A { fn g(b: B) -> B; } - | ^ `B` cannot be made into an object + | ^ `B` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/avoid-ice-on-warning-3.rs:4:14 | LL | trait B { fn f(a: A) -> A; } | - ^ ...because associated function `f` has no `self` parameter | | - | this trait cannot be made into an object... + | this trait is not dyn compatible... help: consider turning `f` into a method by giving it a `&self` argument | LL | trait B { fn f(&self, a: A) -> A; } diff --git a/tests/ui/dyn-compatibility/avoid-ice-on-warning-3.rs b/tests/ui/dyn-compatibility/avoid-ice-on-warning-3.rs index 00d47225e92..9ccbfc15a0d 100644 --- a/tests/ui/dyn-compatibility/avoid-ice-on-warning-3.rs +++ b/tests/ui/dyn-compatibility/avoid-ice-on-warning-3.rs @@ -4,7 +4,7 @@ trait B { fn f(a: A) -> A; } //[new]~^ ERROR expected a type, found a trait //[new]~| ERROR expected a type, found a trait -//[old]~^^^ ERROR the trait `A` cannot be made into an object +//[old]~^^^ ERROR the trait `A` is not dyn compatible //[old]~| WARN trait objects without an explicit `dyn` are deprecated //[old]~| WARN trait objects without an explicit `dyn` are deprecated //[old]~| WARN trait objects without an explicit `dyn` are deprecated @@ -14,7 +14,7 @@ trait B { fn f(a: A) -> A; } trait A { fn g(b: B) -> B; } //[new]~^ ERROR expected a type, found a trait //[new]~| ERROR expected a type, found a trait -//[old]~^^^ ERROR the trait `B` cannot be made into an object +//[old]~^^^ ERROR the trait `B` is not dyn compatible //[old]~| WARN trait objects without an explicit `dyn` are deprecated //[old]~| WARN trait objects without an explicit `dyn` are deprecated //[old]~| WARN trait objects without an explicit `dyn` are deprecated diff --git a/tests/ui/dyn-compatibility/bare-trait-dont-suggest-dyn.new.fixed b/tests/ui/dyn-compatibility/bare-trait-dont-suggest-dyn.new.fixed index a54892afd3e..b5200e9fff5 100644 --- a/tests/ui/dyn-compatibility/bare-trait-dont-suggest-dyn.new.fixed +++ b/tests/ui/dyn-compatibility/bare-trait-dont-suggest-dyn.new.fixed @@ -5,7 +5,7 @@ #![deny(bare_trait_objects)] fn ord_prefer_dot(s: String) -> impl Ord { //[new]~^ ERROR expected a type, found a trait - //[old]~^^ ERROR the trait `Ord` cannot be made into an object + //[old]~^^ ERROR the trait `Ord` is not dyn compatible //[old]~| ERROR trait objects without an explicit `dyn` are deprecated //[old]~| WARNING this is accepted in the current edition (Rust 2015) (s.starts_with("."), s) diff --git a/tests/ui/dyn-compatibility/bare-trait-dont-suggest-dyn.old.stderr b/tests/ui/dyn-compatibility/bare-trait-dont-suggest-dyn.old.stderr index 45c9b0ce5d9..e3ec5b9c3c8 100644 --- a/tests/ui/dyn-compatibility/bare-trait-dont-suggest-dyn.old.stderr +++ b/tests/ui/dyn-compatibility/bare-trait-dont-suggest-dyn.old.stderr @@ -16,19 +16,20 @@ help: if this is a dyn-compatible trait, use `dyn` LL | fn ord_prefer_dot(s: String) -> dyn Ord { | +++ -error[E0038]: the trait `Ord` cannot be made into an object +error[E0038]: the trait `Ord` is not dyn compatible --> $DIR/bare-trait-dont-suggest-dyn.rs:6:33 | LL | fn ord_prefer_dot(s: String) -> Ord { - | ^^^ `Ord` cannot be made into an object + | ^^^ `Ord` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $SRC_DIR/core/src/cmp.rs:LL:COL | - = note: the trait cannot be made into an object because it uses `Self` as a type parameter + = note: the trait is not dyn compatible because it uses `Self` as a type parameter ::: $SRC_DIR/core/src/cmp.rs:LL:COL | - = note: the trait cannot be made into an object because it uses `Self` as a type parameter + = note: the trait is not dyn compatible because it uses `Self` as a type parameter help: consider using an opaque type instead | LL | fn ord_prefer_dot(s: String) -> impl Ord { diff --git a/tests/ui/dyn-compatibility/bare-trait-dont-suggest-dyn.rs b/tests/ui/dyn-compatibility/bare-trait-dont-suggest-dyn.rs index cf9be612d2e..385fd48102c 100644 --- a/tests/ui/dyn-compatibility/bare-trait-dont-suggest-dyn.rs +++ b/tests/ui/dyn-compatibility/bare-trait-dont-suggest-dyn.rs @@ -5,7 +5,7 @@ #![deny(bare_trait_objects)] fn ord_prefer_dot(s: String) -> Ord { //[new]~^ ERROR expected a type, found a trait - //[old]~^^ ERROR the trait `Ord` cannot be made into an object + //[old]~^^ ERROR the trait `Ord` is not dyn compatible //[old]~| ERROR trait objects without an explicit `dyn` are deprecated //[old]~| WARNING this is accepted in the current edition (Rust 2015) (s.starts_with("."), s) diff --git a/tests/ui/dyn-compatibility/bounds.rs b/tests/ui/dyn-compatibility/bounds.rs index 1e04d11c516..ed4a69129af 100644 --- a/tests/ui/dyn-compatibility/bounds.rs +++ b/tests/ui/dyn-compatibility/bounds.rs @@ -5,7 +5,7 @@ trait X { } fn f() -> Box<dyn X<U = u32>> { - //~^ ERROR the trait `X` cannot be made into an object + //~^ ERROR the trait `X` is not dyn compatible loop {} } diff --git a/tests/ui/dyn-compatibility/bounds.stderr b/tests/ui/dyn-compatibility/bounds.stderr index 9231d524fd1..d45e66b1d5e 100644 --- a/tests/ui/dyn-compatibility/bounds.stderr +++ b/tests/ui/dyn-compatibility/bounds.stderr @@ -1,14 +1,15 @@ -error[E0038]: the trait `X` cannot be made into an object +error[E0038]: the trait `X` is not dyn compatible --> $DIR/bounds.rs:7:15 | LL | fn f() -> Box<dyn X<U = u32>> { - | ^^^^^^^^^^^^^^ `X` cannot be made into an object + | ^^^^^^^^^^^^^^ `X` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/bounds.rs:4:13 | LL | trait X { - | - this trait cannot be made into an object... + | - this trait is not dyn compatible... LL | type U: PartialEq<Self>; | ^^^^^^^^^^^^^^^ ...because it uses `Self` as a type parameter diff --git a/tests/ui/dyn-compatibility/gat-incompatible-supertrait.rs b/tests/ui/dyn-compatibility/gat-incompatible-supertrait.rs new file mode 100644 index 00000000000..fff29ac2b51 --- /dev/null +++ b/tests/ui/dyn-compatibility/gat-incompatible-supertrait.rs @@ -0,0 +1,18 @@ +// Test that the dyn-compatibility diagnostics for GATs refer first to the +// user-named trait, not the GAT-containing supertrait. +// +// NOTE: this test is currently broken, and first reports: +// "the trait `Super` is not dyn compatible" +// +//@ edition:2018 + +trait Super { + type Assoc<'a>; +} + +trait Child: Super {} + +fn take_dyn(_: &dyn Child) {} +//~^ ERROR the trait `Super` is not dyn compatible + +fn main() {} diff --git a/tests/ui/dyn-compatibility/gat-incompatible-supertrait.stderr b/tests/ui/dyn-compatibility/gat-incompatible-supertrait.stderr new file mode 100644 index 00000000000..04dc0b1d6f4 --- /dev/null +++ b/tests/ui/dyn-compatibility/gat-incompatible-supertrait.stderr @@ -0,0 +1,19 @@ +error[E0038]: the trait `Super` is not dyn compatible + --> $DIR/gat-incompatible-supertrait.rs:15:21 + | +LL | fn take_dyn(_: &dyn Child) {} + | ^^^^^ `Super` is not dyn compatible + | +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/gat-incompatible-supertrait.rs:10:10 + | +LL | trait Super { + | ----- this trait is not dyn compatible... +LL | type Assoc<'a>; + | ^^^^^ ...because it contains the generic associated type `Assoc` + = help: consider moving `Assoc` to another trait + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0038`. diff --git a/tests/ui/dyn-compatibility/generics.curr.stderr b/tests/ui/dyn-compatibility/generics.curr.stderr index c63db38a080..1607954ab70 100644 --- a/tests/ui/dyn-compatibility/generics.curr.stderr +++ b/tests/ui/dyn-compatibility/generics.curr.stderr @@ -1,75 +1,80 @@ -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/generics.rs:18:31 | LL | fn make_bar<T:Bar>(t: &T) -> &dyn Bar { - | ^^^^^^^ `Bar` cannot be made into an object + | ^^^^^^^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/generics.rs:10:8 | LL | trait Bar { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn bar<T>(&self, t: T); | ^^^ ...because method `bar` has generic type parameters = help: consider moving `bar` to another trait -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/generics.rs:25:40 | LL | fn make_bar_explicit<T:Bar>(t: &T) -> &dyn Bar { - | ^^^^^^^ `Bar` cannot be made into an object + | ^^^^^^^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/generics.rs:10:8 | LL | trait Bar { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn bar<T>(&self, t: T); | ^^^ ...because method `bar` has generic type parameters = help: consider moving `bar` to another trait -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/generics.rs:20:5 | LL | t - | ^ `Bar` cannot be made into an object + | ^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/generics.rs:10:8 | LL | trait Bar { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn bar<T>(&self, t: T); | ^^^ ...because method `bar` has generic type parameters = help: consider moving `bar` to another trait = note: required for the cast from `&T` to `&dyn Bar` -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/generics.rs:27:10 | LL | t as &dyn Bar - | ^^^^^^^^ `Bar` cannot be made into an object + | ^^^^^^^^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/generics.rs:10:8 | LL | trait Bar { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn bar<T>(&self, t: T); | ^^^ ...because method `bar` has generic type parameters = help: consider moving `bar` to another trait -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/generics.rs:27:5 | LL | t as &dyn Bar - | ^ `Bar` cannot be made into an object + | ^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/generics.rs:10:8 | LL | trait Bar { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn bar<T>(&self, t: T); | ^^^ ...because method `bar` has generic type parameters = help: consider moving `bar` to another trait diff --git a/tests/ui/dyn-compatibility/generics.dyn_compatible_for_dispatch.stderr b/tests/ui/dyn-compatibility/generics.dyn_compatible_for_dispatch.stderr index ba2546ef2dc..7f31b29b39c 100644 --- a/tests/ui/dyn-compatibility/generics.dyn_compatible_for_dispatch.stderr +++ b/tests/ui/dyn-compatibility/generics.dyn_compatible_for_dispatch.stderr @@ -1,30 +1,32 @@ -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/generics.rs:20:5 | LL | t - | ^ `Bar` cannot be made into an object + | ^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/generics.rs:10:8 | LL | trait Bar { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn bar<T>(&self, t: T); | ^^^ ...because method `bar` has generic type parameters = help: consider moving `bar` to another trait = note: required for the cast from `&T` to `&dyn Bar` -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/generics.rs:27:5 | LL | t as &dyn Bar - | ^ `Bar` cannot be made into an object + | ^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/generics.rs:10:8 | LL | trait Bar { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn bar<T>(&self, t: T); | ^^^ ...because method `bar` has generic type parameters = help: consider moving `bar` to another trait diff --git a/tests/ui/dyn-compatibility/mention-correct-dyn-incompatible-trait.stderr b/tests/ui/dyn-compatibility/mention-correct-dyn-incompatible-trait.stderr index 7378ec023c9..1ed78e1e659 100644 --- a/tests/ui/dyn-compatibility/mention-correct-dyn-incompatible-trait.stderr +++ b/tests/ui/dyn-compatibility/mention-correct-dyn-incompatible-trait.stderr @@ -1,36 +1,38 @@ -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/mention-correct-dyn-incompatible-trait.rs:19:15 | LL | let test: &mut dyn Bar = &mut thing; - | ^^^^^^^^^^^^ `Bar` cannot be made into an object + | ^^^^^^^^^^^^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/mention-correct-dyn-incompatible-trait.rs:4:8 | LL | fn foo<T>(&self, val: T); | ^^^ ...because method `foo` has generic type parameters ... LL | trait Bar: Foo { } - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... = help: consider moving `foo` to another trait - = help: only type `Thing` implements the trait, consider using it directly instead + = help: only type `Thing` implements `Bar`; consider using it directly instead. -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/mention-correct-dyn-incompatible-trait.rs:19:30 | LL | let test: &mut dyn Bar = &mut thing; - | ^^^^^^^^^^ `Bar` cannot be made into an object + | ^^^^^^^^^^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/mention-correct-dyn-incompatible-trait.rs:4:8 | LL | fn foo<T>(&self, val: T); | ^^^ ...because method `foo` has generic type parameters ... LL | trait Bar: Foo { } - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... = help: consider moving `foo` to another trait - = help: only type `Thing` implements the trait, consider using it directly instead + = help: only type `Thing` implements `Bar`; consider using it directly instead. = note: required for the cast from `&mut Thing` to `&mut dyn Bar` error: aborting due to 2 previous errors diff --git a/tests/ui/dyn-compatibility/mentions-Self-in-super-predicates.rs b/tests/ui/dyn-compatibility/mentions-Self-in-super-predicates.rs index c9ec44cc0b8..2ab0c6c8f5d 100644 --- a/tests/ui/dyn-compatibility/mentions-Self-in-super-predicates.rs +++ b/tests/ui/dyn-compatibility/mentions-Self-in-super-predicates.rs @@ -36,9 +36,9 @@ impl <'x> Expr for SExpr<'x> { fn main() { let a: Box<dyn Expr> = Box::new(SExpr::new()); - //~^ ERROR: `Expr` cannot be made into an object + //~^ ERROR: `Expr` is not dyn compatible let b: Box<dyn Expr> = Box::new(SExpr::new()); - //~^ ERROR: `Expr` cannot be made into an object + //~^ ERROR: `Expr` is not dyn compatible // assert_eq!(a , b); } diff --git a/tests/ui/dyn-compatibility/mentions-Self-in-super-predicates.stderr b/tests/ui/dyn-compatibility/mentions-Self-in-super-predicates.stderr index 03e57841b1b..eba2c15dd74 100644 --- a/tests/ui/dyn-compatibility/mentions-Self-in-super-predicates.stderr +++ b/tests/ui/dyn-compatibility/mentions-Self-in-super-predicates.stderr @@ -1,47 +1,47 @@ -error[E0038]: the trait `Expr` cannot be made into an object +error[E0038]: the trait `Expr` is not dyn compatible --> $DIR/mentions-Self-in-super-predicates.rs:12:27 | LL | elements: Vec<Box<dyn Expr + 'x>>, - | ^^^^ `Expr` cannot be made into an object + | ^^^^ `Expr` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/mentions-Self-in-super-predicates.rs:5:21 | LL | trait Expr: Debug + PartialEq { | ---- ^^^^^^^^^ ...because it uses `Self` as a type parameter | | - | this trait cannot be made into an object... - = help: only type `SExpr<'x>` implements the trait, consider using it directly instead + | this trait is not dyn compatible... -error[E0038]: the trait `Expr` cannot be made into an object +error[E0038]: the trait `Expr` is not dyn compatible --> $DIR/mentions-Self-in-super-predicates.rs:38:20 | LL | let a: Box<dyn Expr> = Box::new(SExpr::new()); - | ^^^^ `Expr` cannot be made into an object + | ^^^^ `Expr` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/mentions-Self-in-super-predicates.rs:5:21 | LL | trait Expr: Debug + PartialEq { | ---- ^^^^^^^^^ ...because it uses `Self` as a type parameter | | - | this trait cannot be made into an object... - = help: only type `SExpr<'x>` implements the trait, consider using it directly instead + | this trait is not dyn compatible... -error[E0038]: the trait `Expr` cannot be made into an object +error[E0038]: the trait `Expr` is not dyn compatible --> $DIR/mentions-Self-in-super-predicates.rs:40:20 | LL | let b: Box<dyn Expr> = Box::new(SExpr::new()); - | ^^^^ `Expr` cannot be made into an object + | ^^^^ `Expr` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/mentions-Self-in-super-predicates.rs:5:21 | LL | trait Expr: Debug + PartialEq { | ---- ^^^^^^^^^ ...because it uses `Self` as a type parameter | | - | this trait cannot be made into an object... - = help: only type `SExpr<'x>` implements the trait, consider using it directly instead + | this trait is not dyn compatible... error: aborting due to 3 previous errors diff --git a/tests/ui/dyn-compatibility/mentions-Self.curr.stderr b/tests/ui/dyn-compatibility/mentions-Self.curr.stderr index 434e41cf218..90db86ffef9 100644 --- a/tests/ui/dyn-compatibility/mentions-Self.curr.stderr +++ b/tests/ui/dyn-compatibility/mentions-Self.curr.stderr @@ -1,60 +1,64 @@ -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/mentions-Self.rs:22:31 | LL | fn make_bar<T:Bar>(t: &T) -> &dyn Bar { - | ^^^^^^^ `Bar` cannot be made into an object + | ^^^^^^^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/mentions-Self.rs:11:22 | LL | trait Bar { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn bar(&self, x: &Self); | ^^^^^ ...because method `bar` references the `Self` type in this parameter = help: consider moving `bar` to another trait -error[E0038]: the trait `Baz` cannot be made into an object +error[E0038]: the trait `Baz` is not dyn compatible --> $DIR/mentions-Self.rs:28:31 | LL | fn make_baz<T:Baz>(t: &T) -> &dyn Baz { - | ^^^^^^^ `Baz` cannot be made into an object + | ^^^^^^^ `Baz` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/mentions-Self.rs:15:22 | LL | trait Baz { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn baz(&self) -> Self; | ^^^^ ...because method `baz` references the `Self` type in its return type = help: consider moving `baz` to another trait -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/mentions-Self.rs:24:5 | LL | t - | ^ `Bar` cannot be made into an object + | ^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/mentions-Self.rs:11:22 | LL | trait Bar { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn bar(&self, x: &Self); | ^^^^^ ...because method `bar` references the `Self` type in this parameter = help: consider moving `bar` to another trait = note: required for the cast from `&T` to `&dyn Bar` -error[E0038]: the trait `Baz` cannot be made into an object +error[E0038]: the trait `Baz` is not dyn compatible --> $DIR/mentions-Self.rs:30:5 | LL | t - | ^ `Baz` cannot be made into an object + | ^ `Baz` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/mentions-Self.rs:15:22 | LL | trait Baz { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn baz(&self) -> Self; | ^^^^ ...because method `baz` references the `Self` type in its return type = help: consider moving `baz` to another trait diff --git a/tests/ui/dyn-compatibility/mentions-Self.dyn_compatible_for_dispatch.stderr b/tests/ui/dyn-compatibility/mentions-Self.dyn_compatible_for_dispatch.stderr index dc2d1f87eb7..4a50d3f07e4 100644 --- a/tests/ui/dyn-compatibility/mentions-Self.dyn_compatible_for_dispatch.stderr +++ b/tests/ui/dyn-compatibility/mentions-Self.dyn_compatible_for_dispatch.stderr @@ -1,30 +1,32 @@ -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/mentions-Self.rs:24:5 | LL | t - | ^ `Bar` cannot be made into an object + | ^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/mentions-Self.rs:11:22 | LL | trait Bar { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn bar(&self, x: &Self); | ^^^^^ ...because method `bar` references the `Self` type in this parameter = help: consider moving `bar` to another trait = note: required for the cast from `&T` to `&dyn Bar` -error[E0038]: the trait `Baz` cannot be made into an object +error[E0038]: the trait `Baz` is not dyn compatible --> $DIR/mentions-Self.rs:30:5 | LL | t - | ^ `Baz` cannot be made into an object + | ^ `Baz` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/mentions-Self.rs:15:22 | LL | trait Baz { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn baz(&self) -> Self; | ^^^^ ...because method `baz` references the `Self` type in its return type = help: consider moving `baz` to another trait diff --git a/tests/ui/dyn-compatibility/missing-assoc-type.rs b/tests/ui/dyn-compatibility/missing-assoc-type.rs index 21f7fd92e80..135761dd036 100644 --- a/tests/ui/dyn-compatibility/missing-assoc-type.rs +++ b/tests/ui/dyn-compatibility/missing-assoc-type.rs @@ -2,6 +2,6 @@ trait Foo { type Bar<T>; } -fn bar(x: &dyn Foo) {} //~ ERROR the trait `Foo` cannot be made into an object +fn bar(x: &dyn Foo) {} //~ ERROR the trait `Foo` is not dyn compatible fn main() {} diff --git a/tests/ui/dyn-compatibility/missing-assoc-type.stderr b/tests/ui/dyn-compatibility/missing-assoc-type.stderr index 184201dd1ce..3f550494b33 100644 --- a/tests/ui/dyn-compatibility/missing-assoc-type.stderr +++ b/tests/ui/dyn-compatibility/missing-assoc-type.stderr @@ -1,14 +1,15 @@ -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/missing-assoc-type.rs:5:16 | LL | fn bar(x: &dyn Foo) {} - | ^^^ `Foo` cannot be made into an object + | ^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/missing-assoc-type.rs:2:10 | LL | trait Foo { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | type Bar<T>; | ^^^ ...because it contains the generic associated type `Bar` = help: consider moving `Bar` to another trait diff --git a/tests/ui/dyn-compatibility/no-static.curr.stderr b/tests/ui/dyn-compatibility/no-static.curr.stderr index 584db779855..867c485053d 100644 --- a/tests/ui/dyn-compatibility/no-static.curr.stderr +++ b/tests/ui/dyn-compatibility/no-static.curr.stderr @@ -1,17 +1,18 @@ -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/no-static.rs:12:22 | LL | fn diverges() -> Box<dyn Foo> { - | ^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/no-static.rs:9:8 | LL | trait Foo { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn foo() {} | ^^^ ...because associated function `foo` has no `self` parameter - = help: only type `Bar` implements the trait, consider using it directly instead + = help: only type `Bar` implements `Foo`; consider using it directly instead. help: consider turning `foo` into a method by giving it a `&self` argument | LL | fn foo(&self) {} @@ -21,20 +22,21 @@ help: alternatively, consider constraining `foo` so it does not apply to trait o LL | fn foo() where Self: Sized {} | +++++++++++++++++ -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/no-static.rs:22:12 | LL | let b: Box<dyn Foo> = Box::new(Bar); - | ^^^^^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/no-static.rs:9:8 | LL | trait Foo { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn foo() {} | ^^^ ...because associated function `foo` has no `self` parameter - = help: only type `Bar` implements the trait, consider using it directly instead + = help: only type `Bar` implements `Foo`; consider using it directly instead. help: consider turning `foo` into a method by giving it a `&self` argument | LL | fn foo(&self) {} @@ -44,20 +46,21 @@ help: alternatively, consider constraining `foo` so it does not apply to trait o LL | fn foo() where Self: Sized {} | +++++++++++++++++ -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/no-static.rs:22:27 | LL | let b: Box<dyn Foo> = Box::new(Bar); - | ^^^^^^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/no-static.rs:9:8 | LL | trait Foo { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn foo() {} | ^^^ ...because associated function `foo` has no `self` parameter - = help: only type `Bar` implements the trait, consider using it directly instead + = help: only type `Bar` implements `Foo`; consider using it directly instead. = note: required for the cast from `Box<Bar>` to `Box<dyn Foo>` help: consider turning `foo` into a method by giving it a `&self` argument | diff --git a/tests/ui/dyn-compatibility/no-static.dyn_compatible_for_dispatch.stderr b/tests/ui/dyn-compatibility/no-static.dyn_compatible_for_dispatch.stderr index f2deb3b8d84..65608a9cca7 100644 --- a/tests/ui/dyn-compatibility/no-static.dyn_compatible_for_dispatch.stderr +++ b/tests/ui/dyn-compatibility/no-static.dyn_compatible_for_dispatch.stderr @@ -1,17 +1,18 @@ -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/no-static.rs:22:27 | LL | let b: Box<dyn Foo> = Box::new(Bar); - | ^^^^^^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/no-static.rs:9:8 | LL | trait Foo { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn foo() {} | ^^^ ...because associated function `foo` has no `self` parameter - = help: only type `Bar` implements the trait, consider using it directly instead + = help: only type `Bar` implements `Foo`; consider using it directly instead. = note: required for the cast from `Box<Bar>` to `Box<dyn Foo>` help: consider turning `foo` into a method by giving it a `&self` argument | diff --git a/tests/ui/dyn-compatibility/sized-2.curr.stderr b/tests/ui/dyn-compatibility/sized-2.curr.stderr index 1017fde53d3..c8fd1056237 100644 --- a/tests/ui/dyn-compatibility/sized-2.curr.stderr +++ b/tests/ui/dyn-compatibility/sized-2.curr.stderr @@ -1,28 +1,30 @@ -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/sized-2.rs:14:31 | LL | fn make_bar<T:Bar>(t: &T) -> &dyn Bar { - | ^^^^^^^ `Bar` cannot be made into an object + | ^^^^^^^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/sized-2.rs:9:18 | LL | trait Bar - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | where Self : Sized | ^^^^^ ...because it requires `Self: Sized` -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/sized-2.rs:16:5 | LL | t - | ^ `Bar` cannot be made into an object + | ^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/sized-2.rs:9:18 | LL | trait Bar - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | where Self : Sized | ^^^^^ ...because it requires `Self: Sized` = note: required for the cast from `&T` to `&dyn Bar` diff --git a/tests/ui/dyn-compatibility/sized-2.dyn_compatible_for_dispatch.stderr b/tests/ui/dyn-compatibility/sized-2.dyn_compatible_for_dispatch.stderr index 534cf0f1b03..477dacdf5a1 100644 --- a/tests/ui/dyn-compatibility/sized-2.dyn_compatible_for_dispatch.stderr +++ b/tests/ui/dyn-compatibility/sized-2.dyn_compatible_for_dispatch.stderr @@ -1,14 +1,15 @@ -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/sized-2.rs:16:5 | LL | t - | ^ `Bar` cannot be made into an object + | ^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/sized-2.rs:9:18 | LL | trait Bar - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | where Self : Sized | ^^^^^ ...because it requires `Self: Sized` = note: required for the cast from `&T` to `&dyn Bar` diff --git a/tests/ui/dyn-compatibility/sized.curr.stderr b/tests/ui/dyn-compatibility/sized.curr.stderr index 613833aad12..d86ea9197b9 100644 --- a/tests/ui/dyn-compatibility/sized.curr.stderr +++ b/tests/ui/dyn-compatibility/sized.curr.stderr @@ -1,30 +1,32 @@ -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/sized.rs:12:32 | LL | fn make_bar<T: Bar>(t: &T) -> &dyn Bar { - | ^^^^^^^ `Bar` cannot be made into an object + | ^^^^^^^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/sized.rs:8:12 | LL | trait Bar: Sized { | --- ^^^^^ ...because it requires `Self: Sized` | | - | this trait cannot be made into an object... + | this trait is not dyn compatible... -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/sized.rs:14:5 | LL | t - | ^ `Bar` cannot be made into an object + | ^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/sized.rs:8:12 | LL | trait Bar: Sized { | --- ^^^^^ ...because it requires `Self: Sized` | | - | this trait cannot be made into an object... + | this trait is not dyn compatible... = note: required for the cast from `&T` to `&dyn Bar` error: aborting due to 2 previous errors diff --git a/tests/ui/dyn-compatibility/sized.dyn_compatible_for_dispatch.stderr b/tests/ui/dyn-compatibility/sized.dyn_compatible_for_dispatch.stderr index cf847bc1577..b763173594b 100644 --- a/tests/ui/dyn-compatibility/sized.dyn_compatible_for_dispatch.stderr +++ b/tests/ui/dyn-compatibility/sized.dyn_compatible_for_dispatch.stderr @@ -1,16 +1,17 @@ -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/sized.rs:14:5 | LL | t - | ^ `Bar` cannot be made into an object + | ^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/sized.rs:8:12 | LL | trait Bar: Sized { | --- ^^^^^ ...because it requires `Self: Sized` | | - | this trait cannot be made into an object... + | this trait is not dyn compatible... = note: required for the cast from `&T` to `&dyn Bar` error: aborting due to 1 previous error diff --git a/tests/ui/dyn-compatibility/supertrait-mentions-GAT.rs b/tests/ui/dyn-compatibility/supertrait-mentions-GAT.rs index 14e00d2ef32..9e5c1bfe416 100644 --- a/tests/ui/dyn-compatibility/supertrait-mentions-GAT.rs +++ b/tests/ui/dyn-compatibility/supertrait-mentions-GAT.rs @@ -9,7 +9,7 @@ trait GatTrait { trait SuperTrait<T>: for<'a> GatTrait<Gat<'a> = T> { fn c(&self) -> dyn SuperTrait<T>; //~^ ERROR associated item referring to unboxed trait object for its own trait - //~| ERROR the trait `SuperTrait` cannot be made into an object + //~| ERROR the trait `SuperTrait` is not dyn compatible } fn main() {} diff --git a/tests/ui/dyn-compatibility/supertrait-mentions-GAT.stderr b/tests/ui/dyn-compatibility/supertrait-mentions-GAT.stderr index ac5a5b28d94..f5dea256469 100644 --- a/tests/ui/dyn-compatibility/supertrait-mentions-GAT.stderr +++ b/tests/ui/dyn-compatibility/supertrait-mentions-GAT.stderr @@ -20,20 +20,21 @@ help: you might have meant to use `Self` to refer to the implementing type LL | fn c(&self) -> Self; | ~~~~ -error[E0038]: the trait `SuperTrait` cannot be made into an object +error[E0038]: the trait `SuperTrait` is not dyn compatible --> $DIR/supertrait-mentions-GAT.rs:10:20 | LL | fn c(&self) -> dyn SuperTrait<T>; - | ^^^^^^^^^^^^^^^^^ `SuperTrait` cannot be made into an object + | ^^^^^^^^^^^^^^^^^ `SuperTrait` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/supertrait-mentions-GAT.rs:4:10 | LL | type Gat<'a> | ^^^ ...because it contains the generic associated type `Gat` ... LL | trait SuperTrait<T>: for<'a> GatTrait<Gat<'a> = T> { - | ---------- this trait cannot be made into an object... + | ---------- this trait is not dyn compatible... = help: consider moving `Gat` to another trait error: aborting due to 3 previous errors diff --git a/tests/ui/dyn-compatibility/supertrait-mentions-Self.stderr b/tests/ui/dyn-compatibility/supertrait-mentions-Self.stderr index abeafa1967f..f9ef0c9b2e0 100644 --- a/tests/ui/dyn-compatibility/supertrait-mentions-Self.stderr +++ b/tests/ui/dyn-compatibility/supertrait-mentions-Self.stderr @@ -18,19 +18,20 @@ help: consider relaxing the implicit `Sized` restriction LL | trait Bar<T: ?Sized> { | ++++++++ -error[E0038]: the trait `Baz` cannot be made into an object +error[E0038]: the trait `Baz` is not dyn compatible --> $DIR/supertrait-mentions-Self.rs:16:35 | LL | fn make_baz<T:Baz>(t: &T) -> &dyn Baz { - | ^^^ `Baz` cannot be made into an object + | ^^^ `Baz` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/supertrait-mentions-Self.rs:8:13 | LL | trait Baz : Bar<Self> { | --- ^^^^^^^^^ ...because it uses `Self` as a type parameter | | - | this trait cannot be made into an object... + | this trait is not dyn compatible... help: consider using an opaque type instead | LL | fn make_baz<T:Baz>(t: &T) -> &impl Baz { diff --git a/tests/ui/dyn-compatibility/taint-const-eval.curr.stderr b/tests/ui/dyn-compatibility/taint-const-eval.curr.stderr index ef0abc16342..8442314835e 100644 --- a/tests/ui/dyn-compatibility/taint-const-eval.curr.stderr +++ b/tests/ui/dyn-compatibility/taint-const-eval.curr.stderr @@ -1,14 +1,15 @@ -error[E0038]: the trait `Qux` cannot be made into an object +error[E0038]: the trait `Qux` is not dyn compatible --> $DIR/taint-const-eval.rs:11:15 | LL | static FOO: &(dyn Qux + Sync) = "desc"; - | ^^^^^^^^^^^^^^ `Qux` cannot be made into an object + | ^^^^^^^^^^^^^^ `Qux` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/taint-const-eval.rs:8:8 | LL | trait Qux { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn bar(); | ^^^ ...because associated function `bar` has no `self` parameter help: consider turning `bar` into a method by giving it a `&self` argument @@ -20,17 +21,18 @@ help: alternatively, consider constraining `bar` so it does not apply to trait o LL | fn bar() where Self: Sized; | +++++++++++++++++ -error[E0038]: the trait `Qux` cannot be made into an object +error[E0038]: the trait `Qux` is not dyn compatible --> $DIR/taint-const-eval.rs:11:33 | LL | static FOO: &(dyn Qux + Sync) = "desc"; - | ^^^^^^ `Qux` cannot be made into an object + | ^^^^^^ `Qux` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/taint-const-eval.rs:8:8 | LL | trait Qux { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn bar(); | ^^^ ...because associated function `bar` has no `self` parameter = note: required for the cast from `&'static str` to `&'static (dyn Qux + Sync + 'static)` @@ -43,17 +45,18 @@ help: alternatively, consider constraining `bar` so it does not apply to trait o LL | fn bar() where Self: Sized; | +++++++++++++++++ -error[E0038]: the trait `Qux` cannot be made into an object +error[E0038]: the trait `Qux` is not dyn compatible --> $DIR/taint-const-eval.rs:11:15 | LL | static FOO: &(dyn Qux + Sync) = "desc"; - | ^^^^^^^^^^^^^^ `Qux` cannot be made into an object + | ^^^^^^^^^^^^^^ `Qux` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/taint-const-eval.rs:8:8 | LL | trait Qux { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn bar(); | ^^^ ...because associated function `bar` has no `self` parameter = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` diff --git a/tests/ui/dyn-compatibility/taint-const-eval.dyn_compatible_for_dispatch.stderr b/tests/ui/dyn-compatibility/taint-const-eval.dyn_compatible_for_dispatch.stderr index 14940365d23..1c51df8501f 100644 --- a/tests/ui/dyn-compatibility/taint-const-eval.dyn_compatible_for_dispatch.stderr +++ b/tests/ui/dyn-compatibility/taint-const-eval.dyn_compatible_for_dispatch.stderr @@ -1,14 +1,15 @@ -error[E0038]: the trait `Qux` cannot be made into an object +error[E0038]: the trait `Qux` is not dyn compatible --> $DIR/taint-const-eval.rs:11:33 | LL | static FOO: &(dyn Qux + Sync) = "desc"; - | ^^^^^^ `Qux` cannot be made into an object + | ^^^^^^ `Qux` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/taint-const-eval.rs:8:8 | LL | trait Qux { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn bar(); | ^^^ ...because associated function `bar` has no `self` parameter = note: required for the cast from `&'static str` to `&'static (dyn Qux + Sync + 'static)` diff --git a/tests/ui/dyn-compatibility/taint-const-eval.rs b/tests/ui/dyn-compatibility/taint-const-eval.rs index 9825ec0ca1c..2feae58080b 100644 --- a/tests/ui/dyn-compatibility/taint-const-eval.rs +++ b/tests/ui/dyn-compatibility/taint-const-eval.rs @@ -9,8 +9,8 @@ trait Qux { } static FOO: &(dyn Qux + Sync) = "desc"; -//~^ the trait `Qux` cannot be made into an object -//[curr]~| the trait `Qux` cannot be made into an object -//[curr]~| the trait `Qux` cannot be made into an object +//~^ the trait `Qux` is not dyn compatible +//[curr]~| the trait `Qux` is not dyn compatible +//[curr]~| the trait `Qux` is not dyn compatible fn main() {} diff --git a/tests/ui/dyn-compatibility/undispatchable-receiver-and-wc-references-Self.rs b/tests/ui/dyn-compatibility/undispatchable-receiver-and-wc-references-Self.rs index 5c71bd7769c..ec32bec7785 100644 --- a/tests/ui/dyn-compatibility/undispatchable-receiver-and-wc-references-Self.rs +++ b/tests/ui/dyn-compatibility/undispatchable-receiver-and-wc-references-Self.rs @@ -17,13 +17,13 @@ pub trait Fetcher: Send + Sync { } fn fetcher() -> Box<dyn Fetcher> { - //~^ ERROR the trait `Fetcher` cannot be made into an object + //~^ ERROR the trait `Fetcher` is not dyn compatible todo!() } pub fn foo() { let fetcher = fetcher(); - //~^ ERROR the trait `Fetcher` cannot be made into an object + //~^ ERROR the trait `Fetcher` is not dyn compatible let _ = fetcher.get(); - //~^ ERROR the trait `Fetcher` cannot be made into an object + //~^ ERROR the trait `Fetcher` is not dyn compatible } diff --git a/tests/ui/dyn-compatibility/undispatchable-receiver-and-wc-references-Self.stderr b/tests/ui/dyn-compatibility/undispatchable-receiver-and-wc-references-Self.stderr index 8d62ac9d923..45a924008c7 100644 --- a/tests/ui/dyn-compatibility/undispatchable-receiver-and-wc-references-Self.stderr +++ b/tests/ui/dyn-compatibility/undispatchable-receiver-and-wc-references-Self.stderr @@ -1,51 +1,54 @@ -error[E0038]: the trait `Fetcher` cannot be made into an object +error[E0038]: the trait `Fetcher` is not dyn compatible --> $DIR/undispatchable-receiver-and-wc-references-Self.rs:19:21 | LL | fn get<'a>(self: &'a Box<Self>) -> Pin<Box<dyn Future<Output = Vec<u8>> + 'a>> | ------------- help: consider changing method `get`'s `self` parameter to be `&self`: `&Self` ... LL | fn fetcher() -> Box<dyn Fetcher> { - | ^^^^^^^^^^^ `Fetcher` cannot be made into an object + | ^^^^^^^^^^^ `Fetcher` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/undispatchable-receiver-and-wc-references-Self.rs:11:22 | LL | pub trait Fetcher: Send + Sync { - | ------- this trait cannot be made into an object... + | ------- this trait is not dyn compatible... LL | fn get<'a>(self: &'a Box<Self>) -> Pin<Box<dyn Future<Output = Vec<u8>> + 'a>> | ^^^^^^^^^^^^^ ...because method `get`'s `self` parameter cannot be dispatched on -error[E0038]: the trait `Fetcher` cannot be made into an object +error[E0038]: the trait `Fetcher` is not dyn compatible --> $DIR/undispatchable-receiver-and-wc-references-Self.rs:25:19 | LL | fn get<'a>(self: &'a Box<Self>) -> Pin<Box<dyn Future<Output = Vec<u8>> + 'a>> | ------------- help: consider changing method `get`'s `self` parameter to be `&self`: `&Self` ... LL | let fetcher = fetcher(); - | ^^^^^^^^^ `Fetcher` cannot be made into an object + | ^^^^^^^^^ `Fetcher` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/undispatchable-receiver-and-wc-references-Self.rs:11:22 | LL | pub trait Fetcher: Send + Sync { - | ------- this trait cannot be made into an object... + | ------- this trait is not dyn compatible... LL | fn get<'a>(self: &'a Box<Self>) -> Pin<Box<dyn Future<Output = Vec<u8>> + 'a>> | ^^^^^^^^^^^^^ ...because method `get`'s `self` parameter cannot be dispatched on -error[E0038]: the trait `Fetcher` cannot be made into an object +error[E0038]: the trait `Fetcher` is not dyn compatible --> $DIR/undispatchable-receiver-and-wc-references-Self.rs:27:13 | LL | fn get<'a>(self: &'a Box<Self>) -> Pin<Box<dyn Future<Output = Vec<u8>> + 'a>> | ------------- help: consider changing method `get`'s `self` parameter to be `&self`: `&Self` ... LL | let _ = fetcher.get(); - | ^^^^^^^^^^^^^ `Fetcher` cannot be made into an object + | ^^^^^^^^^^^^^ `Fetcher` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/undispatchable-receiver-and-wc-references-Self.rs:11:22 | LL | pub trait Fetcher: Send + Sync { - | ------- this trait cannot be made into an object... + | ------- this trait is not dyn compatible... LL | fn get<'a>(self: &'a Box<Self>) -> Pin<Box<dyn Future<Output = Vec<u8>> + 'a>> | ^^^^^^^^^^^^^ ...because method `get`'s `self` parameter cannot be dispatched on diff --git a/tests/ui/error-codes/E0038.stderr b/tests/ui/error-codes/E0038.stderr index 54b489c655f..59e9f504d17 100644 --- a/tests/ui/error-codes/E0038.stderr +++ b/tests/ui/error-codes/E0038.stderr @@ -1,29 +1,31 @@ -error[E0038]: the trait `Trait` cannot be made into an object +error[E0038]: the trait `Trait` is not dyn compatible --> $DIR/E0038.rs:5:20 | LL | fn call_foo(x: Box<dyn Trait>) { - | ^^^^^^^^^ `Trait` cannot be made into an object + | ^^^^^^^^^ `Trait` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/E0038.rs:2:22 | LL | trait Trait { - | ----- this trait cannot be made into an object... + | ----- this trait is not dyn compatible... LL | fn foo(&self) -> Self; | ^^^^ ...because method `foo` references the `Self` type in its return type = help: consider moving `foo` to another trait -error[E0038]: the trait `Trait` cannot be made into an object +error[E0038]: the trait `Trait` is not dyn compatible --> $DIR/E0038.rs:7:13 | LL | let y = x.foo(); - | ^^^^^^^ `Trait` cannot be made into an object + | ^^^^^^^ `Trait` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/E0038.rs:2:22 | LL | trait Trait { - | ----- this trait cannot be made into an object... + | ----- this trait is not dyn compatible... LL | fn foo(&self) -> Self; | ^^^^ ...because method `foo` references the `Self` type in its return type = help: consider moving `foo` to another trait diff --git a/tests/ui/expr/if/if-let.stderr b/tests/ui/expr/if/if-let.stderr index c4bba3cb1a8..792504a9772 100644 --- a/tests/ui/expr/if/if-let.stderr +++ b/tests/ui/expr/if/if-let.stderr @@ -2,7 +2,7 @@ warning: irrefutable `if let` pattern --> $DIR/if-let.rs:6:16 | LL | if let $p = $e $b - | ^^^ + | ^^^^^^^^^^^ ... LL | / foo!(a, 1, { LL | | println!("irrefutable pattern"); diff --git a/tests/ui/feature-gates/feature-gate-async-fn-in-dyn-trait.rs b/tests/ui/feature-gates/feature-gate-async-fn-in-dyn-trait.rs index d9ff45f57ec..278a5451e84 100644 --- a/tests/ui/feature-gates/feature-gate-async-fn-in-dyn-trait.rs +++ b/tests/ui/feature-gates/feature-gate-async-fn-in-dyn-trait.rs @@ -5,10 +5,10 @@ trait Foo { } async fn takes_dyn_trait(x: &dyn Foo) { - //~^ ERROR the trait `Foo` cannot be made into an object + //~^ ERROR the trait `Foo` is not dyn compatible x.bar().await; - //~^ ERROR the trait `Foo` cannot be made into an object - //~| ERROR the trait `Foo` cannot be made into an object + //~^ ERROR the trait `Foo` is not dyn compatible + //~| ERROR the trait `Foo` is not dyn compatible } fn main() {} diff --git a/tests/ui/feature-gates/feature-gate-async-fn-in-dyn-trait.stderr b/tests/ui/feature-gates/feature-gate-async-fn-in-dyn-trait.stderr index f78fc422410..b4de6b66469 100644 --- a/tests/ui/feature-gates/feature-gate-async-fn-in-dyn-trait.stderr +++ b/tests/ui/feature-gates/feature-gate-async-fn-in-dyn-trait.stderr @@ -1,44 +1,47 @@ -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/feature-gate-async-fn-in-dyn-trait.rs:7:30 | LL | async fn takes_dyn_trait(x: &dyn Foo) { - | ^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/feature-gate-async-fn-in-dyn-trait.rs:4:14 | LL | trait Foo { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | async fn bar(&self); | ^^^ ...because method `bar` is `async` = help: consider moving `bar` to another trait -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/feature-gate-async-fn-in-dyn-trait.rs:9:7 | LL | x.bar().await; - | ^^^ `Foo` cannot be made into an object + | ^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/feature-gate-async-fn-in-dyn-trait.rs:4:14 | LL | trait Foo { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | async fn bar(&self); | ^^^ ...because method `bar` is `async` = help: consider moving `bar` to another trait -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/feature-gate-async-fn-in-dyn-trait.rs:9:5 | LL | x.bar().await; - | ^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/feature-gate-async-fn-in-dyn-trait.rs:4:14 | LL | trait Foo { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | async fn bar(&self); | ^^^ ...because method `bar` is `async` = help: consider moving `bar` to another trait diff --git a/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-missing-impl.rs b/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-missing-impl.rs index 3c9e903d4ba..37eabbf1602 100644 --- a/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-missing-impl.rs +++ b/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-missing-impl.rs @@ -30,6 +30,6 @@ impl Trait for i32 { fn main() { Ptr(Box::new(4)) as Ptr<dyn Trait>; - //~^ ERROR the trait `Trait` cannot be made into an object - //~^^ ERROR the trait `Trait` cannot be made into an object + //~^ ERROR the trait `Trait` is not dyn compatible + //~^^ ERROR the trait `Trait` is not dyn compatible } diff --git a/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-missing-impl.stderr b/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-missing-impl.stderr index 28caaf8356f..f8fc086c441 100644 --- a/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-missing-impl.stderr +++ b/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-missing-impl.stderr @@ -1,38 +1,40 @@ -error[E0038]: the trait `Trait` cannot be made into an object +error[E0038]: the trait `Trait` is not dyn compatible --> $DIR/feature-gate-dispatch-from-dyn-missing-impl.rs:32:25 | LL | fn ptr(self: Ptr<Self>); | --------- help: consider changing method `ptr`'s `self` parameter to be `&self`: `&Self` ... LL | Ptr(Box::new(4)) as Ptr<dyn Trait>; - | ^^^^^^^^^^^^^^ `Trait` cannot be made into an object + | ^^^^^^^^^^^^^^ `Trait` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/feature-gate-dispatch-from-dyn-missing-impl.rs:25:18 | LL | trait Trait { - | ----- this trait cannot be made into an object... + | ----- this trait is not dyn compatible... LL | fn ptr(self: Ptr<Self>); | ^^^^^^^^^ ...because method `ptr`'s `self` parameter cannot be dispatched on - = help: only type `i32` implements the trait, consider using it directly instead + = help: only type `i32` implements `Trait`; consider using it directly instead. -error[E0038]: the trait `Trait` cannot be made into an object +error[E0038]: the trait `Trait` is not dyn compatible --> $DIR/feature-gate-dispatch-from-dyn-missing-impl.rs:32:5 | LL | fn ptr(self: Ptr<Self>); | --------- help: consider changing method `ptr`'s `self` parameter to be `&self`: `&Self` ... LL | Ptr(Box::new(4)) as Ptr<dyn Trait>; - | ^^^^^^^^^^^^^^^^ `Trait` cannot be made into an object + | ^^^^^^^^^^^^^^^^ `Trait` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/feature-gate-dispatch-from-dyn-missing-impl.rs:25:18 | LL | trait Trait { - | ----- this trait cannot be made into an object... + | ----- this trait is not dyn compatible... LL | fn ptr(self: Ptr<Self>); | ^^^^^^^^^ ...because method `ptr`'s `self` parameter cannot be dispatched on - = help: only type `i32` implements the trait, consider using it directly instead + = help: only type `i32` implements `Trait`; consider using it directly instead. = note: required for the cast from `Ptr<{integer}>` to `Ptr<dyn Trait>` error: aborting due to 2 previous errors diff --git a/tests/ui/feature-gates/feature-gate-dyn_compatible_for_dispatch.stderr b/tests/ui/feature-gates/feature-gate-dyn_compatible_for_dispatch.stderr index ed021c154a5..10540f0219d 100644 --- a/tests/ui/feature-gates/feature-gate-dyn_compatible_for_dispatch.stderr +++ b/tests/ui/feature-gates/feature-gate-dyn_compatible_for_dispatch.stderr @@ -1,28 +1,30 @@ -error[E0038]: the trait `DynIncompatible1` cannot be made into an object +error[E0038]: the trait `DynIncompatible1` is not dyn compatible --> $DIR/feature-gate-dyn_compatible_for_dispatch.rs:18:40 | LL | fn takes_dyn_incompatible_ref<T>(obj: &dyn DynIncompatible1) { - | ^^^^^^^^^^^^^^^^^^^^ `DynIncompatible1` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^ `DynIncompatible1` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/feature-gate-dyn_compatible_for_dispatch.rs:4:25 | LL | trait DynIncompatible1: Sized {} | ---------------- ^^^^^ ...because it requires `Self: Sized` | | - | this trait cannot be made into an object... + | this trait is not dyn compatible... -error[E0038]: the trait `DynIncompatible2` cannot be made into an object +error[E0038]: the trait `DynIncompatible2` is not dyn compatible --> $DIR/feature-gate-dyn_compatible_for_dispatch.rs:22:46 | LL | fn return_dyn_incompatible_ref() -> &'static dyn DynIncompatible2 { - | ^^^^^^^^^^^^^^^^^^^^ `DynIncompatible2` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^ `DynIncompatible2` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/feature-gate-dyn_compatible_for_dispatch.rs:7:8 | LL | trait DynIncompatible2 { - | ---------------- this trait cannot be made into an object... + | ---------------- this trait is not dyn compatible... LL | fn static_fn() {} | ^^^^^^^^^ ...because associated function `static_fn` has no `self` parameter help: consider turning `static_fn` into a method by giving it a `&self` argument @@ -34,49 +36,52 @@ help: alternatively, consider constraining `static_fn` so it does not apply to t LL | fn static_fn() where Self: Sized {} | +++++++++++++++++ -error[E0038]: the trait `DynIncompatible3` cannot be made into an object +error[E0038]: the trait `DynIncompatible3` is not dyn compatible --> $DIR/feature-gate-dyn_compatible_for_dispatch.rs:27:40 | LL | fn takes_dyn_incompatible_box(obj: Box<dyn DynIncompatible3>) { - | ^^^^^^^^^^^^^^^^^^^^ `DynIncompatible3` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^ `DynIncompatible3` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/feature-gate-dyn_compatible_for_dispatch.rs:11:8 | LL | trait DynIncompatible3 { - | ---------------- this trait cannot be made into an object... + | ---------------- this trait is not dyn compatible... LL | fn foo<T>(&self); | ^^^ ...because method `foo` has generic type parameters = help: consider moving `foo` to another trait -error[E0038]: the trait `DynIncompatible4` cannot be made into an object +error[E0038]: the trait `DynIncompatible4` is not dyn compatible --> $DIR/feature-gate-dyn_compatible_for_dispatch.rs:31:48 | LL | fn return_dyn_incompatible_rc() -> std::rc::Rc<dyn DynIncompatible4> { - | ^^^^^^^^^^^^^^^^^^^^ `DynIncompatible4` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^ `DynIncompatible4` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/feature-gate-dyn_compatible_for_dispatch.rs:15:22 | LL | trait DynIncompatible4 { - | ---------------- this trait cannot be made into an object... + | ---------------- this trait is not dyn compatible... LL | fn foo(&self, s: &Self); | ^^^^^ ...because method `foo` references the `Self` type in this parameter = help: consider moving `foo` to another trait -error[E0038]: the trait `DynIncompatible1` cannot be made into an object +error[E0038]: the trait `DynIncompatible1` is not dyn compatible --> $DIR/feature-gate-dyn_compatible_for_dispatch.rs:38:16 | LL | impl Trait for dyn DynIncompatible1 {} - | ^^^^^^^^^^^^^^^^^^^^ `DynIncompatible1` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^ `DynIncompatible1` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/feature-gate-dyn_compatible_for_dispatch.rs:4:25 | LL | trait DynIncompatible1: Sized {} | ---------------- ^^^^^ ...because it requires `Self: Sized` | | - | this trait cannot be made into an object... + | this trait is not dyn compatible... error: aborting due to 5 previous errors diff --git a/tests/ui/for-loop-while/while-let-2.stderr b/tests/ui/for-loop-while/while-let-2.stderr index 1b1cf679243..355ae6f718e 100644 --- a/tests/ui/for-loop-while/while-let-2.stderr +++ b/tests/ui/for-loop-while/while-let-2.stderr @@ -2,7 +2,7 @@ warning: irrefutable `while let` pattern --> $DIR/while-let-2.rs:7:19 | LL | while let $p = $e $b - | ^^^ + | ^^^^^^^^^^^ ... LL | / foo!(_a, 1, { LL | | println!("irrefutable pattern"); diff --git a/tests/ui/generic-associated-types/gat-in-trait-path-undeclared-lifetime.rs b/tests/ui/generic-associated-types/gat-in-trait-path-undeclared-lifetime.rs index 1a4678c7e70..b02739a7d0a 100644 --- a/tests/ui/generic-associated-types/gat-in-trait-path-undeclared-lifetime.rs +++ b/tests/ui/generic-associated-types/gat-in-trait-path-undeclared-lifetime.rs @@ -8,5 +8,5 @@ fn main() { //~| ERROR: binding for associated type `Y` references lifetime //~| ERROR: binding for associated type `Y` references lifetime //~| ERROR: binding for associated type `Y` references lifetime - //~| ERROR: the trait `X` cannot be made into an object + //~| ERROR: the trait `X` is not dyn compatible } diff --git a/tests/ui/generic-associated-types/gat-in-trait-path-undeclared-lifetime.stderr b/tests/ui/generic-associated-types/gat-in-trait-path-undeclared-lifetime.stderr index 867f55b0dee..4c5a47e73c6 100644 --- a/tests/ui/generic-associated-types/gat-in-trait-path-undeclared-lifetime.stderr +++ b/tests/ui/generic-associated-types/gat-in-trait-path-undeclared-lifetime.stderr @@ -36,17 +36,18 @@ LL | fn _f(arg : Box<dyn for<'a> X<Y<'x> = &'a [u32]>>) {} | = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -error[E0038]: the trait `X` cannot be made into an object +error[E0038]: the trait `X` is not dyn compatible --> $DIR/gat-in-trait-path-undeclared-lifetime.rs:6:19 | LL | fn _f(arg : Box<dyn for<'a> X<Y<'x> = &'a [u32]>>) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `X` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `X` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/gat-in-trait-path-undeclared-lifetime.rs:2:8 | LL | trait X { - | - this trait cannot be made into an object... + | - this trait is not dyn compatible... LL | type Y<'x>; | ^ ...because it contains the generic associated type `Y` = help: consider moving `Y` to another trait diff --git a/tests/ui/generic-associated-types/gat-in-trait-path.base.stderr b/tests/ui/generic-associated-types/gat-in-trait-path.base.stderr index 34642f8fdc6..b2b569e6261 100644 --- a/tests/ui/generic-associated-types/gat-in-trait-path.base.stderr +++ b/tests/ui/generic-associated-types/gat-in-trait-path.base.stderr @@ -1,56 +1,50 @@ -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/gat-in-trait-path.rs:26:17 | LL | fn f(_arg : Box<dyn for<'a> Foo<A<'a> = &'a ()>>) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/gat-in-trait-path.rs:10:10 | LL | trait Foo { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | type A<'a> where Self: 'a; | ^ ...because it contains the generic associated type `A` = help: consider moving `A` to another trait - = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `Foo` for this new enum and using it instead: - Fooy - Fooer<T> -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/gat-in-trait-path.rs:32:5 | LL | f(Box::new(foo)); - | ^^^^^^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/gat-in-trait-path.rs:10:10 | LL | trait Foo { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | type A<'a> where Self: 'a; | ^ ...because it contains the generic associated type `A` = help: consider moving `A` to another trait - = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `Foo` for this new enum and using it instead: - Fooy - Fooer<T> -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/gat-in-trait-path.rs:32:5 | LL | f(Box::new(foo)); - | ^^^^^^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/gat-in-trait-path.rs:10:10 | LL | trait Foo { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | type A<'a> where Self: 'a; | ^ ...because it contains the generic associated type `A` = help: consider moving `A` to another trait - = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `Foo` for this new enum and using it instead: - Fooy - Fooer<T> = note: required for the cast from `Box<Fooer<{integer}>>` to `Box<(dyn Foo<A<'a> = &'a ()> + 'static)>` error: aborting due to 3 previous errors diff --git a/tests/ui/generic-associated-types/gat-in-trait-path.rs b/tests/ui/generic-associated-types/gat-in-trait-path.rs index cd759a73cf2..24cae213e0a 100644 --- a/tests/ui/generic-associated-types/gat-in-trait-path.rs +++ b/tests/ui/generic-associated-types/gat-in-trait-path.rs @@ -20,12 +20,11 @@ impl<T> Foo for Fooer<T> { } fn f(_arg : Box<dyn for<'a> Foo<A<'a> = &'a ()>>) {} -//~^ the trait `Foo` cannot be made into an object - +//~^ the trait `Foo` is not dyn compatible fn main() { let foo = Fooer(5); f(Box::new(foo)); - //~^ the trait `Foo` cannot be made into an object - //~| the trait `Foo` cannot be made into an object + //~^ the trait `Foo` is not dyn compatible + //~| the trait `Foo` is not dyn compatible } diff --git a/tests/ui/generic-associated-types/gat-in-trait-path.stderr b/tests/ui/generic-associated-types/gat-in-trait-path.stderr index b2176fa6de3..df79556c825 100644 --- a/tests/ui/generic-associated-types/gat-in-trait-path.stderr +++ b/tests/ui/generic-associated-types/gat-in-trait-path.stderr @@ -1,56 +1,50 @@ -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/gat-in-trait-path.rs:22:17 | LL | fn f(_arg : Box<dyn for<'a> Foo<A<'a> = &'a ()>>) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/gat-in-trait-path.rs:6:10 | LL | trait Foo { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | type A<'a> where Self: 'a; | ^ ...because it contains the generic associated type `A` = help: consider moving `A` to another trait - = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `Foo` for this new enum and using it instead: - Fooy - Fooer<T> -error[E0038]: the trait `Foo` cannot be made into an object - --> $DIR/gat-in-trait-path.rs:28:5 +error[E0038]: the trait `Foo` is not dyn compatible + --> $DIR/gat-in-trait-path.rs:27:5 | LL | f(Box::new(foo)); - | ^^^^^^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/gat-in-trait-path.rs:6:10 | LL | trait Foo { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | type A<'a> where Self: 'a; | ^ ...because it contains the generic associated type `A` = help: consider moving `A` to another trait - = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `Foo` for this new enum and using it instead: - Fooy - Fooer<T> -error[E0038]: the trait `Foo` cannot be made into an object - --> $DIR/gat-in-trait-path.rs:28:5 +error[E0038]: the trait `Foo` is not dyn compatible + --> $DIR/gat-in-trait-path.rs:27:5 | LL | f(Box::new(foo)); - | ^^^^^^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/gat-in-trait-path.rs:6:10 | LL | trait Foo { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | type A<'a> where Self: 'a; | ^ ...because it contains the generic associated type `A` = help: consider moving `A` to another trait - = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `Foo` for this new enum and using it instead: - Fooy - Fooer<T> = note: required for the cast from `Box<Fooer<{integer}>>` to `Box<(dyn Foo<A<'a> = &'a ()> + 'static)>` error: aborting due to 3 previous errors diff --git a/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.rs b/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.rs index c4134427013..85661c1b844 100644 --- a/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.rs +++ b/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.rs @@ -12,7 +12,7 @@ fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {} //~| ERROR associated type takes 0 generic arguments but 1 generic argument //~| ERROR associated type takes 1 lifetime argument but 0 lifetime arguments //~| ERROR at least one trait is required - //~| ERROR: the trait `X` cannot be made into an object + //~| ERROR: the trait `X` is not dyn compatible fn bar<'a>(arg: Box<dyn X<Y() = ()>>) {} @@ -20,6 +20,6 @@ fn bar<'a>(arg: Box<dyn X<Y() = ()>>) {} //~| ERROR associated type takes 1 lifetime argument but 0 lifetime arguments //~| ERROR associated type takes 1 lifetime argument but 0 lifetime arguments //~| ERROR associated type takes 1 lifetime argument but 0 lifetime arguments - //~| ERROR: the trait `X` cannot be made into an object + //~| ERROR: the trait `X` is not dyn compatible fn main() {} diff --git a/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.stderr b/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.stderr index 97b7019b385..499ce8e4a32 100644 --- a/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.stderr +++ b/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.stderr @@ -123,17 +123,18 @@ error[E0224]: at least one trait is required for an object type LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {} | ^^ -error[E0038]: the trait `X` cannot be made into an object +error[E0038]: the trait `X` is not dyn compatible --> $DIR/gat-trait-path-parenthesised-args.rs:5:21 | LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {} - | ^^^^^^^^^^^^^^^^^^^^^ `X` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^^ `X` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/gat-trait-path-parenthesised-args.rs:2:8 | LL | trait X { - | - this trait cannot be made into an object... + | - this trait is not dyn compatible... LL | type Y<'a>; | ^ ...because it contains the generic associated type `Y` = help: consider moving `Y` to another trait @@ -188,17 +189,18 @@ help: add missing lifetime argument LL | fn bar<'a>(arg: Box<dyn X<Y('_) = ()>>) {} | ++ -error[E0038]: the trait `X` cannot be made into an object +error[E0038]: the trait `X` is not dyn compatible --> $DIR/gat-trait-path-parenthesised-args.rs:18:21 | LL | fn bar<'a>(arg: Box<dyn X<Y() = ()>>) {} - | ^^^^^^^^^^^^^^^ `X` cannot be made into an object + | ^^^^^^^^^^^^^^^ `X` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/gat-trait-path-parenthesised-args.rs:2:8 | LL | trait X { - | - this trait cannot be made into an object... + | - this trait is not dyn compatible... LL | type Y<'a>; | ^ ...because it contains the generic associated type `Y` = help: consider moving `Y` to another trait diff --git a/tests/ui/generic-associated-types/issue-67510-pass.base.stderr b/tests/ui/generic-associated-types/issue-67510-pass.base.stderr index cac8010018e..56308948969 100644 --- a/tests/ui/generic-associated-types/issue-67510-pass.base.stderr +++ b/tests/ui/generic-associated-types/issue-67510-pass.base.stderr @@ -1,14 +1,15 @@ -error[E0038]: the trait `X` cannot be made into an object +error[E0038]: the trait `X` is not dyn compatible --> $DIR/issue-67510-pass.rs:12:23 | LL | fn _func1<'a>(_x: Box<dyn X<Y<'a>=&'a ()>>) {} - | ^^^^^^^^^^^^^^^^^^^ `X` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^ `X` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-67510-pass.rs:9:10 | LL | trait X { - | - this trait cannot be made into an object... + | - this trait is not dyn compatible... LL | type Y<'a>; | ^ ...because it contains the generic associated type `Y` = help: consider moving `Y` to another trait diff --git a/tests/ui/generic-associated-types/issue-67510-pass.rs b/tests/ui/generic-associated-types/issue-67510-pass.rs index a48d9c37cd4..2bfba7f6942 100644 --- a/tests/ui/generic-associated-types/issue-67510-pass.rs +++ b/tests/ui/generic-associated-types/issue-67510-pass.rs @@ -5,6 +5,6 @@ trait X { } fn _func1<'a>(_x: Box<dyn X<Y<'a>=&'a ()>>) {} -//~^ ERROR the trait `X` cannot be made into an object +//~^ ERROR the trait `X` is not dyn compatible fn main() {} diff --git a/tests/ui/generic-associated-types/issue-67510-pass.stderr b/tests/ui/generic-associated-types/issue-67510-pass.stderr index 5560cb0f64d..f6846f833fe 100644 --- a/tests/ui/generic-associated-types/issue-67510-pass.stderr +++ b/tests/ui/generic-associated-types/issue-67510-pass.stderr @@ -1,14 +1,15 @@ -error[E0038]: the trait `X` cannot be made into an object +error[E0038]: the trait `X` is not dyn compatible --> $DIR/issue-67510-pass.rs:7:23 | LL | fn _func1<'a>(_x: Box<dyn X<Y<'a>=&'a ()>>) {} - | ^^^^^^^^^^^^^^^^^^^ `X` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^ `X` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-67510-pass.rs:4:10 | LL | trait X { - | - this trait cannot be made into an object... + | - this trait is not dyn compatible... LL | type Y<'a>; | ^ ...because it contains the generic associated type `Y` = help: consider moving `Y` to another trait diff --git a/tests/ui/generic-associated-types/issue-67510.rs b/tests/ui/generic-associated-types/issue-67510.rs index ab5c25d74da..5c3150a77ed 100644 --- a/tests/ui/generic-associated-types/issue-67510.rs +++ b/tests/ui/generic-associated-types/issue-67510.rs @@ -5,6 +5,6 @@ trait X { fn f(x: Box<dyn X<Y<'a> = &'a ()>>) {} //~^ ERROR: use of undeclared lifetime name `'a` //~| ERROR: use of undeclared lifetime name `'a` -//~| ERROR: the trait `X` cannot be made into an object [E0038] +//~| ERROR: the trait `X` is not dyn compatible [E0038] fn main() {} diff --git a/tests/ui/generic-associated-types/issue-67510.stderr b/tests/ui/generic-associated-types/issue-67510.stderr index 416f04ac2fd..e8555a7aa1f 100644 --- a/tests/ui/generic-associated-types/issue-67510.stderr +++ b/tests/ui/generic-associated-types/issue-67510.stderr @@ -29,17 +29,18 @@ help: consider introducing lifetime `'a` here LL | fn f<'a>(x: Box<dyn X<Y<'a> = &'a ()>>) {} | ++++ -error[E0038]: the trait `X` cannot be made into an object +error[E0038]: the trait `X` is not dyn compatible --> $DIR/issue-67510.rs:5:13 | LL | fn f(x: Box<dyn X<Y<'a> = &'a ()>>) {} - | ^^^^^^^^^^^^^^^^^^^^^ `X` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^^ `X` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-67510.rs:2:10 | LL | trait X { - | - this trait cannot be made into an object... + | - this trait is not dyn compatible... LL | type Y<'a>; | ^ ...because it contains the generic associated type `Y` = help: consider moving `Y` to another trait diff --git a/tests/ui/generic-associated-types/issue-71176.rs b/tests/ui/generic-associated-types/issue-71176.rs index 7fffe312f4b..d3a0caffec1 100644 --- a/tests/ui/generic-associated-types/issue-71176.rs +++ b/tests/ui/generic-associated-types/issue-71176.rs @@ -11,13 +11,13 @@ struct Holder<B> { //~^ ERROR: missing generics for associated type //~| ERROR: missing generics for associated type //~| ERROR: missing generics for associated type - //~| ERROR: the trait `Provider` cannot be made into an object + //~| ERROR: the trait `Provider` is not dyn compatible } fn main() { Holder { inner: Box::new(()), - //~^ ERROR: the trait `Provider` cannot be made into an object - //~| ERROR: the trait `Provider` cannot be made into an object + //~^ ERROR: the trait `Provider` is not dyn compatible + //~| ERROR: the trait `Provider` is not dyn compatible }; } diff --git a/tests/ui/generic-associated-types/issue-71176.stderr b/tests/ui/generic-associated-types/issue-71176.stderr index 1cd2ed0d313..a78151384d4 100644 --- a/tests/ui/generic-associated-types/issue-71176.stderr +++ b/tests/ui/generic-associated-types/issue-71176.stderr @@ -48,53 +48,56 @@ help: add missing lifetime argument LL | inner: Box<dyn Provider<A<'a> = B>>, | ++++ -error[E0038]: the trait `Provider` cannot be made into an object +error[E0038]: the trait `Provider` is not dyn compatible --> $DIR/issue-71176.rs:10:14 | LL | inner: Box<dyn Provider<A = B>>, - | ^^^^^^^^^^^^^^^^^^^ `Provider` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^ `Provider` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-71176.rs:2:10 | LL | trait Provider { - | -------- this trait cannot be made into an object... + | -------- this trait is not dyn compatible... LL | type A<'a>; | ^ ...because it contains the generic associated type `A` = help: consider moving `A` to another trait - = help: only type `()` implements the trait, consider using it directly instead + = help: only type `()` implements `Provider`; consider using it directly instead. -error[E0038]: the trait `Provider` cannot be made into an object +error[E0038]: the trait `Provider` is not dyn compatible --> $DIR/issue-71176.rs:19:16 | LL | inner: Box::new(()), - | ^^^^^^^^^^^^ `Provider` cannot be made into an object + | ^^^^^^^^^^^^ `Provider` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-71176.rs:2:10 | LL | trait Provider { - | -------- this trait cannot be made into an object... + | -------- this trait is not dyn compatible... LL | type A<'a>; | ^ ...because it contains the generic associated type `A` = help: consider moving `A` to another trait - = help: only type `()` implements the trait, consider using it directly instead + = help: only type `()` implements `Provider`; consider using it directly instead. -error[E0038]: the trait `Provider` cannot be made into an object +error[E0038]: the trait `Provider` is not dyn compatible --> $DIR/issue-71176.rs:19:16 | LL | inner: Box::new(()), - | ^^^^^^^^^^^^ `Provider` cannot be made into an object + | ^^^^^^^^^^^^ `Provider` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-71176.rs:2:10 | LL | trait Provider { - | -------- this trait cannot be made into an object... + | -------- this trait is not dyn compatible... LL | type A<'a>; | ^ ...because it contains the generic associated type `A` = help: consider moving `A` to another trait - = help: only type `()` implements the trait, consider using it directly instead + = help: only type `()` implements `Provider`; consider using it directly instead. = note: required for the cast from `Box<()>` to `Box<(dyn Provider<A<'_> = _> + 'static), {type error}>` error: aborting due to 6 previous errors diff --git a/tests/ui/generic-associated-types/issue-76535.base.stderr b/tests/ui/generic-associated-types/issue-76535.base.stderr index a44c8dc51e7..b503fad2d84 100644 --- a/tests/ui/generic-associated-types/issue-76535.base.stderr +++ b/tests/ui/generic-associated-types/issue-76535.base.stderr @@ -14,39 +14,41 @@ help: add missing lifetime argument LL | let sub: Box<dyn SuperTrait<SubType<'a> = SubStruct>> = Box::new(SuperStruct::new(0)); | ++++ -error[E0038]: the trait `SuperTrait` cannot be made into an object +error[E0038]: the trait `SuperTrait` is not dyn compatible --> $DIR/issue-76535.rs:39:14 | LL | let sub: Box<dyn SuperTrait<SubType = SubStruct>> = Box::new(SuperStruct::new(0)); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `SuperTrait` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `SuperTrait` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-76535.rs:9:10 | LL | pub trait SuperTrait { - | ---------- this trait cannot be made into an object... + | ---------- this trait is not dyn compatible... LL | type SubType<'a>: SubTrait where Self: 'a; | ^^^^^^^ ...because it contains the generic associated type `SubType` = help: consider moving `SubType` to another trait - = help: only type `SuperStruct` is seen to implement the trait in this crate, consider using it directly instead - = note: `SuperTrait` can be implemented in other crates; if you want to support your users passing their own types here, you can't refer to a specific type + = help: only type `SuperStruct` implements `SuperTrait` within this crate. Consider using it directly instead. + = note: `SuperTrait` may be implemented in other crates; if you want to support your users passing their own types here, you can't refer to a specific type -error[E0038]: the trait `SuperTrait` cannot be made into an object +error[E0038]: the trait `SuperTrait` is not dyn compatible --> $DIR/issue-76535.rs:39:57 | LL | let sub: Box<dyn SuperTrait<SubType = SubStruct>> = Box::new(SuperStruct::new(0)); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `SuperTrait` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `SuperTrait` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-76535.rs:9:10 | LL | pub trait SuperTrait { - | ---------- this trait cannot be made into an object... + | ---------- this trait is not dyn compatible... LL | type SubType<'a>: SubTrait where Self: 'a; | ^^^^^^^ ...because it contains the generic associated type `SubType` = help: consider moving `SubType` to another trait - = help: only type `SuperStruct` is seen to implement the trait in this crate, consider using it directly instead - = note: `SuperTrait` can be implemented in other crates; if you want to support your users passing their own types here, you can't refer to a specific type + = help: only type `SuperStruct` implements `SuperTrait` within this crate. Consider using it directly instead. + = note: `SuperTrait` may be implemented in other crates; if you want to support your users passing their own types here, you can't refer to a specific type = note: required for the cast from `Box<SuperStruct>` to `Box<dyn SuperTrait<SubType<'_> = SubStruct<'_>>>` error: aborting due to 3 previous errors diff --git a/tests/ui/generic-associated-types/issue-76535.stderr b/tests/ui/generic-associated-types/issue-76535.stderr index 613ded6f1ef..6b7c3bfe731 100644 --- a/tests/ui/generic-associated-types/issue-76535.stderr +++ b/tests/ui/generic-associated-types/issue-76535.stderr @@ -14,39 +14,41 @@ help: add missing lifetime argument LL | let sub: Box<dyn SuperTrait<SubType<'a> = SubStruct>> = Box::new(SuperStruct::new(0)); | ++++ -error[E0038]: the trait `SuperTrait` cannot be made into an object +error[E0038]: the trait `SuperTrait` is not dyn compatible --> $DIR/issue-76535.rs:34:14 | LL | let sub: Box<dyn SuperTrait<SubType = SubStruct>> = Box::new(SuperStruct::new(0)); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `SuperTrait` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `SuperTrait` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-76535.rs:4:10 | LL | pub trait SuperTrait { - | ---------- this trait cannot be made into an object... + | ---------- this trait is not dyn compatible... LL | type SubType<'a>: SubTrait where Self: 'a; | ^^^^^^^ ...because it contains the generic associated type `SubType` = help: consider moving `SubType` to another trait - = help: only type `SuperStruct` is seen to implement the trait in this crate, consider using it directly instead - = note: `SuperTrait` can be implemented in other crates; if you want to support your users passing their own types here, you can't refer to a specific type + = help: only type `SuperStruct` implements `SuperTrait` within this crate; consider using it directly instead. + = note: `SuperTrait` may be implemented in other crates; if you want to support your users passing their own types here, you can't refer to a specific type -error[E0038]: the trait `SuperTrait` cannot be made into an object +error[E0038]: the trait `SuperTrait` is not dyn compatible --> $DIR/issue-76535.rs:34:57 | LL | let sub: Box<dyn SuperTrait<SubType = SubStruct>> = Box::new(SuperStruct::new(0)); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `SuperTrait` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `SuperTrait` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-76535.rs:4:10 | LL | pub trait SuperTrait { - | ---------- this trait cannot be made into an object... + | ---------- this trait is not dyn compatible... LL | type SubType<'a>: SubTrait where Self: 'a; | ^^^^^^^ ...because it contains the generic associated type `SubType` = help: consider moving `SubType` to another trait - = help: only type `SuperStruct` is seen to implement the trait in this crate, consider using it directly instead - = note: `SuperTrait` can be implemented in other crates; if you want to support your users passing their own types here, you can't refer to a specific type + = help: only type `SuperStruct` implements `SuperTrait` within this crate; consider using it directly instead. + = note: `SuperTrait` may be implemented in other crates; if you want to support your users passing their own types here, you can't refer to a specific type = note: required for the cast from `Box<SuperStruct>` to `Box<dyn SuperTrait<SubType<'_> = SubStruct<'_>>>` error: aborting due to 3 previous errors diff --git a/tests/ui/generic-associated-types/issue-78671.base.stderr b/tests/ui/generic-associated-types/issue-78671.base.stderr index 9f2be785460..9bfe8c0b956 100644 --- a/tests/ui/generic-associated-types/issue-78671.base.stderr +++ b/tests/ui/generic-associated-types/issue-78671.base.stderr @@ -14,17 +14,18 @@ help: add missing generic argument LL | Box::new(Family) as &dyn CollectionFamily<Member<T>=usize> | +++ -error[E0038]: the trait `CollectionFamily` cannot be made into an object +error[E0038]: the trait `CollectionFamily` is not dyn compatible --> $DIR/issue-78671.rs:10:25 | LL | Box::new(Family) as &dyn CollectionFamily<Member=usize> - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `CollectionFamily` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `CollectionFamily` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-78671.rs:7:10 | LL | trait CollectionFamily { - | ---------------- this trait cannot be made into an object... + | ---------------- this trait is not dyn compatible... LL | type Member<T>; | ^^^^^^ ...because it contains the generic associated type `Member` = help: consider moving `Member` to another trait diff --git a/tests/ui/generic-associated-types/issue-78671.rs b/tests/ui/generic-associated-types/issue-78671.rs index 0871def1731..1e1863799a5 100644 --- a/tests/ui/generic-associated-types/issue-78671.rs +++ b/tests/ui/generic-associated-types/issue-78671.rs @@ -4,7 +4,7 @@ trait CollectionFamily { fn floatify() { Box::new(Family) as &dyn CollectionFamily<Member=usize> //~^ ERROR: missing generics for associated type - //~| ERROR: the trait `CollectionFamily` cannot be made into an object + //~| ERROR: the trait `CollectionFamily` is not dyn compatible } struct Family; diff --git a/tests/ui/generic-associated-types/issue-78671.stderr b/tests/ui/generic-associated-types/issue-78671.stderr index fbd76c73895..c85e97067cb 100644 --- a/tests/ui/generic-associated-types/issue-78671.stderr +++ b/tests/ui/generic-associated-types/issue-78671.stderr @@ -14,17 +14,18 @@ help: add missing generic argument LL | Box::new(Family) as &dyn CollectionFamily<Member<T>=usize> | +++ -error[E0038]: the trait `CollectionFamily` cannot be made into an object +error[E0038]: the trait `CollectionFamily` is not dyn compatible --> $DIR/issue-78671.rs:5:25 | LL | Box::new(Family) as &dyn CollectionFamily<Member=usize> - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `CollectionFamily` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `CollectionFamily` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-78671.rs:2:10 | LL | trait CollectionFamily { - | ---------------- this trait cannot be made into an object... + | ---------------- this trait is not dyn compatible... LL | type Member<T>; | ^^^^^^ ...because it contains the generic associated type `Member` = help: consider moving `Member` to another trait diff --git a/tests/ui/generic-associated-types/issue-79422.base.stderr b/tests/ui/generic-associated-types/issue-79422.base.stderr index 3ea62bdbb27..c3de2b71762 100644 --- a/tests/ui/generic-associated-types/issue-79422.base.stderr +++ b/tests/ui/generic-associated-types/issue-79422.base.stderr @@ -14,41 +14,37 @@ help: add missing lifetime argument LL | as Box<dyn MapLike<u8, u8, VRefCont<'a> = dyn RefCont<'_, u8>>>; | ++++ -error[E0038]: the trait `MapLike` cannot be made into an object +error[E0038]: the trait `MapLike` is not dyn compatible --> $DIR/issue-79422.rs:47:12 | LL | as Box<dyn MapLike<u8, u8, VRefCont = dyn RefCont<'_, u8>>>; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `MapLike` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `MapLike` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-79422.rs:23:10 | LL | trait MapLike<K, V> { - | ------- this trait cannot be made into an object... + | ------- this trait is not dyn compatible... LL | type VRefCont<'a>: RefCont<'a, V> where Self: 'a; | ^^^^^^^^ ...because it contains the generic associated type `VRefCont` = help: consider moving `VRefCont` to another trait - = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `MapLike` for this new enum and using it instead: - std::collections::BTreeMap<K, V> - Source -error[E0038]: the trait `MapLike` cannot be made into an object +error[E0038]: the trait `MapLike` is not dyn compatible --> $DIR/issue-79422.rs:44:13 | LL | let m = Box::new(std::collections::BTreeMap::<u8, u8>::new()) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `MapLike` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `MapLike` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-79422.rs:23:10 | LL | trait MapLike<K, V> { - | ------- this trait cannot be made into an object... + | ------- this trait is not dyn compatible... LL | type VRefCont<'a>: RefCont<'a, V> where Self: 'a; | ^^^^^^^^ ...because it contains the generic associated type `VRefCont` = help: consider moving `VRefCont` to another trait - = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `MapLike` for this new enum and using it instead: - std::collections::BTreeMap<K, V> - Source = note: required for the cast from `Box<BTreeMap<u8, u8>>` to `Box<dyn MapLike<u8, u8, VRefCont<'_> = (dyn RefCont<'_, u8> + 'static)>>` error: aborting due to 3 previous errors diff --git a/tests/ui/generic-associated-types/issue-79422.stderr b/tests/ui/generic-associated-types/issue-79422.stderr index 26567e5e927..a81217e96c3 100644 --- a/tests/ui/generic-associated-types/issue-79422.stderr +++ b/tests/ui/generic-associated-types/issue-79422.stderr @@ -14,41 +14,37 @@ help: add missing lifetime argument LL | as Box<dyn MapLike<u8, u8, VRefCont<'a> = dyn RefCont<'_, u8>>>; | ++++ -error[E0038]: the trait `MapLike` cannot be made into an object +error[E0038]: the trait `MapLike` is not dyn compatible --> $DIR/issue-79422.rs:41:12 | LL | as Box<dyn MapLike<u8, u8, VRefCont = dyn RefCont<'_, u8>>>; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `MapLike` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `MapLike` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-79422.rs:18:10 | LL | trait MapLike<K, V> { - | ------- this trait cannot be made into an object... + | ------- this trait is not dyn compatible... LL | type VRefCont<'a>: RefCont<'a, V> where Self: 'a; | ^^^^^^^^ ...because it contains the generic associated type `VRefCont` = help: consider moving `VRefCont` to another trait - = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `MapLike` for this new enum and using it instead: - std::collections::BTreeMap<K, V> - Source -error[E0038]: the trait `MapLike` cannot be made into an object +error[E0038]: the trait `MapLike` is not dyn compatible --> $DIR/issue-79422.rs:39:13 | LL | let m = Box::new(std::collections::BTreeMap::<u8, u8>::new()) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `MapLike` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `MapLike` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-79422.rs:18:10 | LL | trait MapLike<K, V> { - | ------- this trait cannot be made into an object... + | ------- this trait is not dyn compatible... LL | type VRefCont<'a>: RefCont<'a, V> where Self: 'a; | ^^^^^^^^ ...because it contains the generic associated type `VRefCont` = help: consider moving `VRefCont` to another trait - = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `MapLike` for this new enum and using it instead: - std::collections::BTreeMap<K, V> - Source = note: required for the cast from `Box<BTreeMap<u8, u8>>` to `Box<dyn MapLike<u8, u8, VRefCont<'_> = (dyn RefCont<'_, u8> + 'static)>>` error: aborting due to 3 previous errors diff --git a/tests/ui/generic-associated-types/missing_lifetime_args.rs b/tests/ui/generic-associated-types/missing_lifetime_args.rs index 470db5412b2..e0f2db5eb21 100644 --- a/tests/ui/generic-associated-types/missing_lifetime_args.rs +++ b/tests/ui/generic-associated-types/missing_lifetime_args.rs @@ -12,7 +12,7 @@ fn foo<'c, 'd>(_arg: Box<dyn X<Y = (&'c u32, &'d u32)>>) {} //~^ ERROR missing generics for associated type //~| ERROR missing generics for associated type //~| ERROR missing generics for associated type -//~| ERROR the trait `X` cannot be made into an object +//~| ERROR the trait `X` is not dyn compatible fn bar<'a, 'b, 'c>(_arg: Foo<'a, 'b>) {} //~^ ERROR struct takes 3 lifetime arguments but 2 lifetime diff --git a/tests/ui/generic-associated-types/missing_lifetime_args.stderr b/tests/ui/generic-associated-types/missing_lifetime_args.stderr index 61cf4f3dd4a..6b8df5cc12f 100644 --- a/tests/ui/generic-associated-types/missing_lifetime_args.stderr +++ b/tests/ui/generic-associated-types/missing_lifetime_args.stderr @@ -48,17 +48,18 @@ help: add missing lifetime arguments LL | fn foo<'c, 'd>(_arg: Box<dyn X<Y<'_, '_> = (&'c u32, &'d u32)>>) {} | ++++++++ -error[E0038]: the trait `X` cannot be made into an object +error[E0038]: the trait `X` is not dyn compatible --> $DIR/missing_lifetime_args.rs:11:26 | LL | fn foo<'c, 'd>(_arg: Box<dyn X<Y = (&'c u32, &'d u32)>>) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `X` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `X` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/missing_lifetime_args.rs:2:10 | LL | trait X { - | - this trait cannot be made into an object... + | - this trait is not dyn compatible... LL | type Y<'a, 'b>; | ^ ...because it contains the generic associated type `Y` = help: consider moving `Y` to another trait diff --git a/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.rs b/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.rs index d6fc3df1026..c828691bb30 100644 --- a/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.rs +++ b/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.rs @@ -10,7 +10,7 @@ const _: () = { //~| ERROR associated type takes 0 generic arguments but 1 generic argument //~| ERROR associated type takes 1 lifetime argument but 0 lifetime arguments //~| ERROR associated type takes 0 generic arguments but 1 generic argument - //~| ERROR the trait `X` cannot be made into an object + //~| ERROR the trait `X` is not dyn compatible }; fn main() {} diff --git a/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.stderr b/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.stderr index 91f0f7b3fcf..5c9e9dbe3d7 100644 --- a/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.stderr +++ b/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.stderr @@ -92,17 +92,18 @@ LL | type Y<'a>; | ^ = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -error[E0038]: the trait `X` cannot be made into an object +error[E0038]: the trait `X` is not dyn compatible --> $DIR/trait-path-type-error-once-implemented.rs:6:23 | LL | fn f2<'a>(arg : Box<dyn X<Y<1> = &'a ()>>) {} - | ^^^^^^^^^^^^^^^^^^^^ `X` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^ `X` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/trait-path-type-error-once-implemented.rs:2:10 | LL | trait X { - | - this trait cannot be made into an object... + | - this trait is not dyn compatible... LL | type Y<'a>; | ^ ...because it contains the generic associated type `Y` = help: consider moving `Y` to another trait diff --git a/tests/ui/generic-associated-types/trait-objects.base.stderr b/tests/ui/generic-associated-types/trait-objects.base.stderr index 0b5a9b9f7fb..fe9ab165d4a 100644 --- a/tests/ui/generic-associated-types/trait-objects.base.stderr +++ b/tests/ui/generic-associated-types/trait-objects.base.stderr @@ -1,44 +1,47 @@ -error[E0038]: the trait `StreamingIterator` cannot be made into an object +error[E0038]: the trait `StreamingIterator` is not dyn compatible --> $DIR/trait-objects.rs:13:21 | LL | fn min_size(x: &mut dyn for<'a> StreamingIterator<Item<'a> = &'a i32>) -> usize { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `StreamingIterator` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `StreamingIterator` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/trait-objects.rs:7:10 | LL | trait StreamingIterator { - | ----------------- this trait cannot be made into an object... + | ----------------- this trait is not dyn compatible... LL | type Item<'a> where Self: 'a; | ^^^^ ...because it contains the generic associated type `Item` = help: consider moving `Item` to another trait -error[E0038]: the trait `StreamingIterator` cannot be made into an object +error[E0038]: the trait `StreamingIterator` is not dyn compatible --> $DIR/trait-objects.rs:15:7 | LL | x.size_hint().0 - | ^^^^^^^^^ `StreamingIterator` cannot be made into an object + | ^^^^^^^^^ `StreamingIterator` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/trait-objects.rs:7:10 | LL | trait StreamingIterator { - | ----------------- this trait cannot be made into an object... + | ----------------- this trait is not dyn compatible... LL | type Item<'a> where Self: 'a; | ^^^^ ...because it contains the generic associated type `Item` = help: consider moving `Item` to another trait -error[E0038]: the trait `StreamingIterator` cannot be made into an object +error[E0038]: the trait `StreamingIterator` is not dyn compatible --> $DIR/trait-objects.rs:15:5 | LL | x.size_hint().0 - | ^^^^^^^^^^^^^ `StreamingIterator` cannot be made into an object + | ^^^^^^^^^^^^^ `StreamingIterator` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/trait-objects.rs:7:10 | LL | trait StreamingIterator { - | ----------------- this trait cannot be made into an object... + | ----------------- this trait is not dyn compatible... LL | type Item<'a> where Self: 'a; | ^^^^ ...because it contains the generic associated type `Item` = help: consider moving `Item` to another trait diff --git a/tests/ui/generic-associated-types/trait-objects.rs b/tests/ui/generic-associated-types/trait-objects.rs index bad9289ee5e..ed324b562e1 100644 --- a/tests/ui/generic-associated-types/trait-objects.rs +++ b/tests/ui/generic-associated-types/trait-objects.rs @@ -6,10 +6,10 @@ trait StreamingIterator { } fn min_size(x: &mut dyn for<'a> StreamingIterator<Item<'a> = &'a i32>) -> usize { - //~^ the trait `StreamingIterator` cannot be made into an object + //~^ the trait `StreamingIterator` is not dyn compatible x.size_hint().0 - //~^ the trait `StreamingIterator` cannot be made into an object - //~| the trait `StreamingIterator` cannot be made into an object + //~^ the trait `StreamingIterator` is not dyn compatible + //~| the trait `StreamingIterator` is not dyn compatible } fn main() {} diff --git a/tests/ui/generic-associated-types/trait-objects.stderr b/tests/ui/generic-associated-types/trait-objects.stderr index 3e74776f999..56a1cb1906f 100644 --- a/tests/ui/generic-associated-types/trait-objects.stderr +++ b/tests/ui/generic-associated-types/trait-objects.stderr @@ -1,44 +1,47 @@ -error[E0038]: the trait `StreamingIterator` cannot be made into an object +error[E0038]: the trait `StreamingIterator` is not dyn compatible --> $DIR/trait-objects.rs:8:21 | LL | fn min_size(x: &mut dyn for<'a> StreamingIterator<Item<'a> = &'a i32>) -> usize { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `StreamingIterator` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `StreamingIterator` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/trait-objects.rs:2:10 | LL | trait StreamingIterator { - | ----------------- this trait cannot be made into an object... + | ----------------- this trait is not dyn compatible... LL | type Item<'a> where Self: 'a; | ^^^^ ...because it contains the generic associated type `Item` = help: consider moving `Item` to another trait -error[E0038]: the trait `StreamingIterator` cannot be made into an object +error[E0038]: the trait `StreamingIterator` is not dyn compatible --> $DIR/trait-objects.rs:10:7 | LL | x.size_hint().0 - | ^^^^^^^^^ `StreamingIterator` cannot be made into an object + | ^^^^^^^^^ `StreamingIterator` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/trait-objects.rs:2:10 | LL | trait StreamingIterator { - | ----------------- this trait cannot be made into an object... + | ----------------- this trait is not dyn compatible... LL | type Item<'a> where Self: 'a; | ^^^^ ...because it contains the generic associated type `Item` = help: consider moving `Item` to another trait -error[E0038]: the trait `StreamingIterator` cannot be made into an object +error[E0038]: the trait `StreamingIterator` is not dyn compatible --> $DIR/trait-objects.rs:10:5 | LL | x.size_hint().0 - | ^^^^^^^^^^^^^ `StreamingIterator` cannot be made into an object + | ^^^^^^^^^^^^^ `StreamingIterator` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/trait-objects.rs:2:10 | LL | trait StreamingIterator { - | ----------------- this trait cannot be made into an object... + | ----------------- this trait is not dyn compatible... LL | type Item<'a> where Self: 'a; | ^^^^ ...because it contains the generic associated type `Item` = help: consider moving `Item` to another trait diff --git a/tests/ui/higher-ranked/trait-bounds/span-bug-issue-121597.rs b/tests/ui/higher-ranked/trait-bounds/span-bug-issue-121597.rs index aeace9f2158..5d039cd5dc6 100644 --- a/tests/ui/higher-ranked/trait-bounds/span-bug-issue-121597.rs +++ b/tests/ui/higher-ranked/trait-bounds/span-bug-issue-121597.rs @@ -12,8 +12,8 @@ fn needs_bar(_: *mut Type2) {} fn main() { let x: &dyn Foo = &(); - //~^ ERROR the trait `Foo` cannot be made into an object - //~| ERROR the trait `Foo` cannot be made into an object + //~^ ERROR the trait `Foo` is not dyn compatible + //~| ERROR the trait `Foo` is not dyn compatible needs_bar(x); //~^ ERROR mismatched types diff --git a/tests/ui/higher-ranked/trait-bounds/span-bug-issue-121597.stderr b/tests/ui/higher-ranked/trait-bounds/span-bug-issue-121597.stderr index d48bf8a471d..fc3d9c2171d 100644 --- a/tests/ui/higher-ranked/trait-bounds/span-bug-issue-121597.stderr +++ b/tests/ui/higher-ranked/trait-bounds/span-bug-issue-121597.stderr @@ -1,31 +1,33 @@ -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/span-bug-issue-121597.rs:14:23 | LL | let x: &dyn Foo = &(); - | ^^^ `Foo` cannot be made into an object + | ^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/span-bug-issue-121597.rs:4:12 | LL | trait Foo: for<T> Bar<T> {} | --- ^^^^^^^^^^^^^ ...because where clause cannot reference non-lifetime `for<...>` variables | | - | this trait cannot be made into an object... + | this trait is not dyn compatible... = note: required for the cast from `&()` to `&dyn Foo` -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/span-bug-issue-121597.rs:14:12 | LL | let x: &dyn Foo = &(); - | ^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/span-bug-issue-121597.rs:4:12 | LL | trait Foo: for<T> Bar<T> {} | --- ^^^^^^^^^^^^^ ...because where clause cannot reference non-lifetime `for<...>` variables | | - | this trait cannot be made into an object... + | this trait is not dyn compatible... error[E0308]: mismatched types --> $DIR/span-bug-issue-121597.rs:18:15 diff --git a/tests/ui/impl-trait/dyn-incompatible-trait-in-return-position-dyn-trait.rs b/tests/ui/impl-trait/dyn-incompatible-trait-in-return-position-dyn-trait.rs index 76dbb05f53d..046ced072ba 100644 --- a/tests/ui/impl-trait/dyn-incompatible-trait-in-return-position-dyn-trait.rs +++ b/tests/ui/impl-trait/dyn-incompatible-trait-in-return-position-dyn-trait.rs @@ -19,7 +19,7 @@ impl DynIncompatible for B { } } -fn car() -> dyn DynIncompatible { //~ ERROR the trait `DynIncompatible` cannot be made into an object +fn car() -> dyn DynIncompatible { //~ ERROR the trait `DynIncompatible` is not dyn compatible //~^ ERROR return type cannot have an unboxed trait object if true { return A; @@ -27,11 +27,11 @@ fn car() -> dyn DynIncompatible { //~ ERROR the trait `DynIncompatible` cannot b B } -fn cat() -> Box<dyn DynIncompatible> { //~ ERROR the trait `DynIncompatible` cannot be made into an +fn cat() -> Box<dyn DynIncompatible> { //~ ERROR the trait `DynIncompatible` is not dyn compatible if true { - return Box::new(A); //~ ERROR cannot be made into an object + return Box::new(A); //~ ERROR is not dyn compatible } - Box::new(B) //~ ERROR cannot be made into an object + Box::new(B) //~ ERROR is not dyn compatible } fn main() {} diff --git a/tests/ui/impl-trait/dyn-incompatible-trait-in-return-position-dyn-trait.stderr b/tests/ui/impl-trait/dyn-incompatible-trait-in-return-position-dyn-trait.stderr index 576bd909cbc..4abd7bcf31c 100644 --- a/tests/ui/impl-trait/dyn-incompatible-trait-in-return-position-dyn-trait.stderr +++ b/tests/ui/impl-trait/dyn-incompatible-trait-in-return-position-dyn-trait.stderr @@ -1,19 +1,22 @@ -error[E0038]: the trait `DynIncompatible` cannot be made into an object +error[E0038]: the trait `DynIncompatible` is not dyn compatible --> $DIR/dyn-incompatible-trait-in-return-position-dyn-trait.rs:22:13 | LL | fn car() -> dyn DynIncompatible { - | ^^^^^^^^^^^^^^^^^^^ `DynIncompatible` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^ `DynIncompatible` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/dyn-incompatible-trait-in-return-position-dyn-trait.rs:4:8 | LL | trait DynIncompatible { - | --------------- this trait cannot be made into an object... + | --------------- this trait is not dyn compatible... LL | fn foo() -> Self; | ^^^ ...because associated function `foo` has no `self` parameter - = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `DynIncompatible` for this new enum and using it instead: + = help: the following types implement `DynIncompatible`: A B + consider defining an enum where each variant holds one of these types, + implementing `DynIncompatible` for this new enum and using it instead help: consider turning `foo` into a method by giving it a `&self` argument | LL | fn foo(&self) -> Self; @@ -23,22 +26,25 @@ help: alternatively, consider constraining `foo` so it does not apply to trait o LL | fn foo() -> Self where Self: Sized; | +++++++++++++++++ -error[E0038]: the trait `DynIncompatible` cannot be made into an object +error[E0038]: the trait `DynIncompatible` is not dyn compatible --> $DIR/dyn-incompatible-trait-in-return-position-dyn-trait.rs:30:17 | LL | fn cat() -> Box<dyn DynIncompatible> { - | ^^^^^^^^^^^^^^^^^^^ `DynIncompatible` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^ `DynIncompatible` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/dyn-incompatible-trait-in-return-position-dyn-trait.rs:4:8 | LL | trait DynIncompatible { - | --------------- this trait cannot be made into an object... + | --------------- this trait is not dyn compatible... LL | fn foo() -> Self; | ^^^ ...because associated function `foo` has no `self` parameter - = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `DynIncompatible` for this new enum and using it instead: + = help: the following types implement `DynIncompatible`: A B + consider defining an enum where each variant holds one of these types, + implementing `DynIncompatible` for this new enum and using it instead help: consider turning `foo` into a method by giving it a `&self` argument | LL | fn foo(&self) -> Self; @@ -65,22 +71,25 @@ LL | } LL ~ Box::new(B) | -error[E0038]: the trait `DynIncompatible` cannot be made into an object +error[E0038]: the trait `DynIncompatible` is not dyn compatible --> $DIR/dyn-incompatible-trait-in-return-position-dyn-trait.rs:32:16 | LL | return Box::new(A); - | ^^^^^^^^^^^ `DynIncompatible` cannot be made into an object + | ^^^^^^^^^^^ `DynIncompatible` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/dyn-incompatible-trait-in-return-position-dyn-trait.rs:4:8 | LL | trait DynIncompatible { - | --------------- this trait cannot be made into an object... + | --------------- this trait is not dyn compatible... LL | fn foo() -> Self; | ^^^ ...because associated function `foo` has no `self` parameter - = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `DynIncompatible` for this new enum and using it instead: + = help: the following types implement `DynIncompatible`: A B + consider defining an enum where each variant holds one of these types, + implementing `DynIncompatible` for this new enum and using it instead = note: required for the cast from `Box<A>` to `Box<(dyn DynIncompatible + 'static)>` help: consider turning `foo` into a method by giving it a `&self` argument | @@ -91,22 +100,25 @@ help: alternatively, consider constraining `foo` so it does not apply to trait o LL | fn foo() -> Self where Self: Sized; | +++++++++++++++++ -error[E0038]: the trait `DynIncompatible` cannot be made into an object +error[E0038]: the trait `DynIncompatible` is not dyn compatible --> $DIR/dyn-incompatible-trait-in-return-position-dyn-trait.rs:34:5 | LL | Box::new(B) - | ^^^^^^^^^^^ `DynIncompatible` cannot be made into an object + | ^^^^^^^^^^^ `DynIncompatible` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/dyn-incompatible-trait-in-return-position-dyn-trait.rs:4:8 | LL | trait DynIncompatible { - | --------------- this trait cannot be made into an object... + | --------------- this trait is not dyn compatible... LL | fn foo() -> Self; | ^^^ ...because associated function `foo` has no `self` parameter - = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `DynIncompatible` for this new enum and using it instead: + = help: the following types implement `DynIncompatible`: A B + consider defining an enum where each variant holds one of these types, + implementing `DynIncompatible` for this new enum and using it instead = note: required for the cast from `Box<B>` to `Box<(dyn DynIncompatible + 'static)>` help: consider turning `foo` into a method by giving it a `&self` argument | diff --git a/tests/ui/impl-trait/ice-unexpected-param-type-whensubstituting-in-region-112823.stderr b/tests/ui/impl-trait/ice-unexpected-param-type-whensubstituting-in-region-112823.current.stderr index 28a0f7461e2..146a3d21068 100644 --- a/tests/ui/impl-trait/ice-unexpected-param-type-whensubstituting-in-region-112823.stderr +++ b/tests/ui/impl-trait/ice-unexpected-param-type-whensubstituting-in-region-112823.current.stderr @@ -1,11 +1,11 @@ error[E0407]: method `line_stream` is not a member of trait `X` - --> $DIR/ice-unexpected-param-type-whensubstituting-in-region-112823.rs:25:5 + --> $DIR/ice-unexpected-param-type-whensubstituting-in-region-112823.rs:28:5 | LL | fn line_stream<'a, Repr>(&'a self) -> Self::LineStreamFut<'a, Repr> {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not a member of trait `X` error[E0049]: type `LineStream` has 0 type parameters but its trait declaration has 1 type parameter - --> $DIR/ice-unexpected-param-type-whensubstituting-in-region-112823.rs:22:21 + --> $DIR/ice-unexpected-param-type-whensubstituting-in-region-112823.rs:25:21 | LL | type LineStream<'a, Repr> | -- ---- @@ -18,7 +18,7 @@ LL | type LineStream<'c, 'd> = impl Stream; | found 0 type parameters error[E0277]: `()` is not a future - --> $DIR/ice-unexpected-param-type-whensubstituting-in-region-112823.rs:25:43 + --> $DIR/ice-unexpected-param-type-whensubstituting-in-region-112823.rs:28:43 | LL | fn line_stream<'a, Repr>(&'a self) -> Self::LineStreamFut<'a, Repr> {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `()` is not a future diff --git a/tests/ui/impl-trait/ice-unexpected-param-type-whensubstituting-in-region-112823.next.stderr b/tests/ui/impl-trait/ice-unexpected-param-type-whensubstituting-in-region-112823.next.stderr new file mode 100644 index 00000000000..3c24eb9adbe --- /dev/null +++ b/tests/ui/impl-trait/ice-unexpected-param-type-whensubstituting-in-region-112823.next.stderr @@ -0,0 +1,29 @@ +error[E0407]: method `line_stream` is not a member of trait `X` + --> $DIR/ice-unexpected-param-type-whensubstituting-in-region-112823.rs:28:5 + | +LL | fn line_stream<'a, Repr>(&'a self) -> Self::LineStreamFut<'a, Repr> {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not a member of trait `X` + +error[E0049]: type `LineStream` has 0 type parameters but its trait declaration has 1 type parameter + --> $DIR/ice-unexpected-param-type-whensubstituting-in-region-112823.rs:25:21 + | +LL | type LineStream<'a, Repr> + | -- ---- + | | + | expected 1 type parameter +... +LL | type LineStream<'c, 'd> = impl Stream; + | ^^ ^^ + | | + | found 0 type parameters + +error[E0271]: type mismatch resolving `<Y as X>::LineStreamFut<'a, Repr> == ()` + --> $DIR/ice-unexpected-param-type-whensubstituting-in-region-112823.rs:28:43 + | +LL | fn line_stream<'a, Repr>(&'a self) -> Self::LineStreamFut<'a, Repr> {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ + +error: aborting due to 3 previous errors + +Some errors have detailed explanations: E0049, E0271, E0407. +For more information about an error, try `rustc --explain E0049`. diff --git a/tests/ui/impl-trait/ice-unexpected-param-type-whensubstituting-in-region-112823.rs b/tests/ui/impl-trait/ice-unexpected-param-type-whensubstituting-in-region-112823.rs index d6fa56663a3..c97bd179943 100644 --- a/tests/ui/impl-trait/ice-unexpected-param-type-whensubstituting-in-region-112823.rs +++ b/tests/ui/impl-trait/ice-unexpected-param-type-whensubstituting-in-region-112823.rs @@ -1,3 +1,6 @@ +//@ revisions: current next +//@ ignore-compare-mode-next-solver (explicit revisions) +//@[next] compile-flags: -Znext-solver // test for ICE #112823 // Unexpected parameter Type(Repr) when substituting in region @@ -23,8 +26,9 @@ impl X for Y { //~^ ERROR type `LineStream` has 0 type parameters but its trait declaration has 1 type parameter type LineStreamFut<'a, Repr> = impl Future<Output = Self::LineStream<'a, Repr>>; fn line_stream<'a, Repr>(&'a self) -> Self::LineStreamFut<'a, Repr> {} - //~^ ERROR `()` is not a future - //~^^ method `line_stream` is not a member of trait `X` + //[current]~^ ERROR `()` is not a future + //[next]~^^ ERROR type mismatch resolving `<Y as X>::LineStreamFut<'a, Repr> == ()` + //~^^^ method `line_stream` is not a member of trait `X` } pub fn main() {} diff --git a/tests/ui/impl-trait/in-trait/cycle-effective-visibilities-during-dyn-compatibility-check.rs b/tests/ui/impl-trait/in-trait/cycle-effective-visibilities-during-dyn-compatibility-check.rs index daf29a0005d..d6fa34419d2 100644 --- a/tests/ui/impl-trait/in-trait/cycle-effective-visibilities-during-dyn-compatibility-check.rs +++ b/tests/ui/impl-trait/in-trait/cycle-effective-visibilities-during-dyn-compatibility-check.rs @@ -14,13 +14,13 @@ impl MyTrait for Outer { } impl dyn MyTrait { - //~^ ERROR the trait `MyTrait` cannot be made into an object + //~^ ERROR the trait `MyTrait` is not dyn compatible fn other(&self) -> impl Marker { - //~^ ERROR the trait `MyTrait` cannot be made into an object + //~^ ERROR the trait `MyTrait` is not dyn compatible MyTrait::foo(&self) //~^ ERROR the trait bound `&dyn MyTrait: MyTrait` is not satisfied //~| ERROR the trait bound `&dyn MyTrait: MyTrait` is not satisfied - //~| ERROR the trait `MyTrait` cannot be made into an object + //~| ERROR the trait `MyTrait` is not dyn compatible } } diff --git a/tests/ui/impl-trait/in-trait/cycle-effective-visibilities-during-dyn-compatibility-check.stderr b/tests/ui/impl-trait/in-trait/cycle-effective-visibilities-during-dyn-compatibility-check.stderr index a975b6204aa..44ca09150fe 100644 --- a/tests/ui/impl-trait/in-trait/cycle-effective-visibilities-during-dyn-compatibility-check.stderr +++ b/tests/ui/impl-trait/in-trait/cycle-effective-visibilities-during-dyn-compatibility-check.stderr @@ -8,21 +8,22 @@ LL | MyTrait::foo(&self) | = help: the trait `MyTrait` is implemented for `Outer` -error[E0038]: the trait `MyTrait` cannot be made into an object +error[E0038]: the trait `MyTrait` is not dyn compatible --> $DIR/cycle-effective-visibilities-during-dyn-compatibility-check.rs:20:9 | LL | MyTrait::foo(&self) - | ^^^^^^^^^^^^ `MyTrait` cannot be made into an object + | ^^^^^^^^^^^^ `MyTrait` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/cycle-effective-visibilities-during-dyn-compatibility-check.rs:5:22 | LL | trait MyTrait { - | ------- this trait cannot be made into an object... + | ------- this trait is not dyn compatible... LL | fn foo(&self) -> impl Marker; | ^^^^^^^^^^^ ...because method `foo` references an `impl Trait` type in its return type = help: consider moving `foo` to another trait - = help: only type `Outer` implements the trait, consider using it directly instead + = help: only type `Outer` implements `MyTrait`; consider using it directly instead. error[E0277]: the trait bound `&dyn MyTrait: MyTrait` is not satisfied --> $DIR/cycle-effective-visibilities-during-dyn-compatibility-check.rs:20:9 @@ -32,37 +33,39 @@ LL | MyTrait::foo(&self) | = help: the trait `MyTrait` is implemented for `Outer` -error[E0038]: the trait `MyTrait` cannot be made into an object +error[E0038]: the trait `MyTrait` is not dyn compatible --> $DIR/cycle-effective-visibilities-during-dyn-compatibility-check.rs:16:6 | LL | impl dyn MyTrait { - | ^^^^^^^^^^^ `MyTrait` cannot be made into an object + | ^^^^^^^^^^^ `MyTrait` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/cycle-effective-visibilities-during-dyn-compatibility-check.rs:5:22 | LL | trait MyTrait { - | ------- this trait cannot be made into an object... + | ------- this trait is not dyn compatible... LL | fn foo(&self) -> impl Marker; | ^^^^^^^^^^^ ...because method `foo` references an `impl Trait` type in its return type = help: consider moving `foo` to another trait - = help: only type `Outer` implements the trait, consider using it directly instead + = help: only type `Outer` implements `MyTrait`; consider using it directly instead. -error[E0038]: the trait `MyTrait` cannot be made into an object +error[E0038]: the trait `MyTrait` is not dyn compatible --> $DIR/cycle-effective-visibilities-during-dyn-compatibility-check.rs:18:15 | LL | fn other(&self) -> impl Marker { - | ^^^^ `MyTrait` cannot be made into an object + | ^^^^ `MyTrait` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/cycle-effective-visibilities-during-dyn-compatibility-check.rs:5:22 | LL | trait MyTrait { - | ------- this trait cannot be made into an object... + | ------- this trait is not dyn compatible... LL | fn foo(&self) -> impl Marker; | ^^^^^^^^^^^ ...because method `foo` references an `impl Trait` type in its return type = help: consider moving `foo` to another trait - = help: only type `Outer` implements the trait, consider using it directly instead + = help: only type `Outer` implements `MyTrait`; consider using it directly instead. error: aborting due to 5 previous errors diff --git a/tests/ui/impl-trait/in-trait/dyn-compatibility.rs b/tests/ui/impl-trait/in-trait/dyn-compatibility.rs index 5cca4ad839c..85b1ba269fc 100644 --- a/tests/ui/impl-trait/in-trait/dyn-compatibility.rs +++ b/tests/ui/impl-trait/in-trait/dyn-compatibility.rs @@ -12,9 +12,9 @@ impl Foo for u32 { fn main() { let i = Box::new(42_u32) as Box<dyn Foo>; - //~^ ERROR the trait `Foo` cannot be made into an object - //~| ERROR the trait `Foo` cannot be made into an object + //~^ ERROR the trait `Foo` is not dyn compatible + //~| ERROR the trait `Foo` is not dyn compatible let s = i.baz(); - //~^ ERROR the trait `Foo` cannot be made into an object - //~| ERROR the trait `Foo` cannot be made into an object + //~^ ERROR the trait `Foo` is not dyn compatible + //~| ERROR the trait `Foo` is not dyn compatible } diff --git a/tests/ui/impl-trait/in-trait/dyn-compatibility.stderr b/tests/ui/impl-trait/in-trait/dyn-compatibility.stderr index 115cb014b8c..87a5480b1e3 100644 --- a/tests/ui/impl-trait/in-trait/dyn-compatibility.stderr +++ b/tests/ui/impl-trait/in-trait/dyn-compatibility.stderr @@ -1,66 +1,70 @@ -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/dyn-compatibility.rs:14:33 | LL | let i = Box::new(42_u32) as Box<dyn Foo>; - | ^^^^^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/dyn-compatibility.rs:4:22 | LL | trait Foo { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn baz(&self) -> impl Debug; | ^^^^^^^^^^ ...because method `baz` references an `impl Trait` type in its return type = help: consider moving `baz` to another trait - = help: only type `u32` implements the trait, consider using it directly instead + = help: only type `u32` implements `Foo`; consider using it directly instead. -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/dyn-compatibility.rs:17:15 | LL | let s = i.baz(); - | ^^^ `Foo` cannot be made into an object + | ^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/dyn-compatibility.rs:4:22 | LL | trait Foo { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn baz(&self) -> impl Debug; | ^^^^^^^^^^ ...because method `baz` references an `impl Trait` type in its return type = help: consider moving `baz` to another trait - = help: only type `u32` implements the trait, consider using it directly instead + = help: only type `u32` implements `Foo`; consider using it directly instead. -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/dyn-compatibility.rs:17:13 | LL | let s = i.baz(); - | ^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/dyn-compatibility.rs:4:22 | LL | trait Foo { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn baz(&self) -> impl Debug; | ^^^^^^^^^^ ...because method `baz` references an `impl Trait` type in its return type = help: consider moving `baz` to another trait - = help: only type `u32` implements the trait, consider using it directly instead + = help: only type `u32` implements `Foo`; consider using it directly instead. -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/dyn-compatibility.rs:14:13 | LL | let i = Box::new(42_u32) as Box<dyn Foo>; - | ^^^^^^^^^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/dyn-compatibility.rs:4:22 | LL | trait Foo { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn baz(&self) -> impl Debug; | ^^^^^^^^^^ ...because method `baz` references an `impl Trait` type in its return type = help: consider moving `baz` to another trait - = help: only type `u32` implements the trait, consider using it directly instead + = help: only type `u32` implements `Foo`; consider using it directly instead. = note: required for the cast from `Box<u32>` to `Box<dyn Foo>` error: aborting due to 4 previous errors diff --git a/tests/ui/impl-trait/in-trait/foreign-dyn-error.rs b/tests/ui/impl-trait/in-trait/foreign-dyn-error.rs index 600dba03b74..5b891170a4f 100644 --- a/tests/ui/impl-trait/in-trait/foreign-dyn-error.rs +++ b/tests/ui/impl-trait/in-trait/foreign-dyn-error.rs @@ -4,5 +4,5 @@ extern crate rpitit; fn main() { let _: &dyn rpitit::Foo = todo!(); - //~^ ERROR the trait `Foo` cannot be made into an object + //~^ ERROR the trait `Foo` is not dyn compatible } diff --git a/tests/ui/impl-trait/in-trait/foreign-dyn-error.stderr b/tests/ui/impl-trait/in-trait/foreign-dyn-error.stderr index 895d8686742..07d09468b04 100644 --- a/tests/ui/impl-trait/in-trait/foreign-dyn-error.stderr +++ b/tests/ui/impl-trait/in-trait/foreign-dyn-error.stderr @@ -1,15 +1,16 @@ -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/foreign-dyn-error.rs:6:12 | LL | let _: &dyn rpitit::Foo = todo!(); - | ^^^^^^^^^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/auxiliary/rpitit.rs:4:21 | LL | fn bar(self) -> impl Deref<Target = impl Sized>; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait cannot be made into an object because method `bar` references an `impl Trait` type in its return type - = help: only type `rpitit::Foreign` implements the trait, consider using it directly instead + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait is not dyn compatible because method `bar` references an `impl Trait` type in its return type + = help: only type `rpitit::Foreign` implements `Foo`; consider using it directly instead. error: aborting due to 1 previous error diff --git a/tests/ui/issues/issue-18959.stderr b/tests/ui/issues/issue-18959.stderr index 5bb452250aa..49d501c397f 100644 --- a/tests/ui/issues/issue-18959.stderr +++ b/tests/ui/issues/issue-18959.stderr @@ -1,77 +1,82 @@ -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/issue-18959.rs:11:12 | LL | fn foo(b: &dyn Bar) { - | ^^^^^^^ `Bar` cannot be made into an object + | ^^^^^^^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-18959.rs:1:20 | LL | pub trait Foo { fn foo<T>(&self, ext_thing: &T); } | ^^^ ...because method `foo` has generic type parameters LL | pub trait Bar: Foo { } - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... = help: consider moving `foo` to another trait -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/issue-18959.rs:13:5 | LL | b.foo(&0) - | ^^^^^^^^^ `Bar` cannot be made into an object + | ^^^^^^^^^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-18959.rs:1:20 | LL | pub trait Foo { fn foo<T>(&self, ext_thing: &T); } | ^^^ ...because method `foo` has generic type parameters LL | pub trait Bar: Foo { } - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... = help: consider moving `foo` to another trait -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/issue-18959.rs:19:15 | LL | let test: &dyn Bar = &mut thing; - | ^^^^^^^^ `Bar` cannot be made into an object + | ^^^^^^^^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-18959.rs:1:20 | LL | pub trait Foo { fn foo<T>(&self, ext_thing: &T); } | ^^^ ...because method `foo` has generic type parameters LL | pub trait Bar: Foo { } - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... = help: consider moving `foo` to another trait -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/issue-18959.rs:19:26 | LL | let test: &dyn Bar = &mut thing; - | ^^^^^^^^^^ `Bar` cannot be made into an object + | ^^^^^^^^^^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-18959.rs:1:20 | LL | pub trait Foo { fn foo<T>(&self, ext_thing: &T); } | ^^^ ...because method `foo` has generic type parameters LL | pub trait Bar: Foo { } - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... = help: consider moving `foo` to another trait = note: required for the cast from `&mut Thing` to `&dyn Bar` -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/issue-18959.rs:22:9 | LL | foo(test); - | ^^^^ `Bar` cannot be made into an object + | ^^^^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-18959.rs:1:20 | LL | pub trait Foo { fn foo<T>(&self, ext_thing: &T); } | ^^^ ...because method `foo` has generic type parameters LL | pub trait Bar: Foo { } - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... = help: consider moving `foo` to another trait error: aborting due to 5 previous errors diff --git a/tests/ui/issues/issue-19380.stderr b/tests/ui/issues/issue-19380.stderr index afbe67befa1..7d4812c3693 100644 --- a/tests/ui/issues/issue-19380.stderr +++ b/tests/ui/issues/issue-19380.stderr @@ -1,17 +1,18 @@ -error[E0038]: the trait `Qiz` cannot be made into an object +error[E0038]: the trait `Qiz` is not dyn compatible --> $DIR/issue-19380.rs:11:29 | LL | foos: &'static [&'static (dyn Qiz + 'static)] - | ^^^^^^^^^^^^^^^^^ `Qiz` cannot be made into an object + | ^^^^^^^^^^^^^^^^^ `Qiz` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-19380.rs:2:6 | LL | trait Qiz { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn qiz(); | ^^^ ...because associated function `qiz` has no `self` parameter - = help: only type `Foo` implements the trait, consider using it directly instead + = help: only type `Foo` implements `Qiz`; consider using it directly instead. help: consider turning `qiz` into a method by giving it a `&self` argument | LL | fn qiz(&self); @@ -21,20 +22,21 @@ help: alternatively, consider constraining `qiz` so it does not apply to trait o LL | fn qiz() where Self: Sized; | +++++++++++++++++ -error[E0038]: the trait `Qiz` cannot be made into an object +error[E0038]: the trait `Qiz` is not dyn compatible --> $DIR/issue-19380.rs:16:33 | LL | const BAR : Bar = Bar { foos: &[&FOO]}; - | ^^^^ `Qiz` cannot be made into an object + | ^^^^ `Qiz` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-19380.rs:2:6 | LL | trait Qiz { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn qiz(); | ^^^ ...because associated function `qiz` has no `self` parameter - = help: only type `Foo` implements the trait, consider using it directly instead + = help: only type `Foo` implements `Qiz`; consider using it directly instead. = note: required for the cast from `&Foo` to `&'static (dyn Qiz + 'static)` help: consider turning `qiz` into a method by giving it a `&self` argument | @@ -45,20 +47,21 @@ help: alternatively, consider constraining `qiz` so it does not apply to trait o LL | fn qiz() where Self: Sized; | +++++++++++++++++ -error[E0038]: the trait `Qiz` cannot be made into an object +error[E0038]: the trait `Qiz` is not dyn compatible --> $DIR/issue-19380.rs:16:31 | LL | const BAR : Bar = Bar { foos: &[&FOO]}; - | ^^^^^^^ `Qiz` cannot be made into an object + | ^^^^^^^ `Qiz` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-19380.rs:2:6 | LL | trait Qiz { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn qiz(); | ^^^ ...because associated function `qiz` has no `self` parameter - = help: only type `Foo` implements the trait, consider using it directly instead + = help: only type `Foo` implements `Qiz`; consider using it directly instead. help: consider turning `qiz` into a method by giving it a `&self` argument | LL | fn qiz(&self); diff --git a/tests/ui/issues/issue-26056.stderr b/tests/ui/issues/issue-26056.stderr index c5ae41200f6..d1cdf43351e 100644 --- a/tests/ui/issues/issue-26056.stderr +++ b/tests/ui/issues/issue-26056.stderr @@ -1,16 +1,17 @@ -error[E0038]: the trait `Map` cannot be made into an object +error[E0038]: the trait `Map` is not dyn compatible --> $DIR/issue-26056.rs:20:17 | LL | as &dyn Map<Key=u32,MapValue=u32>; - | ^^^^^^^^^^^^^^^^^^^^^^^^^ `Map` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^^^^^^ `Map` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-26056.rs:9:12 | LL | trait Map: MapLookup<<Self as Map>::Key> { | --- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ...because it uses `Self` as a type parameter | | - | this trait cannot be made into an object... + | this trait is not dyn compatible... error: aborting due to 1 previous error diff --git a/tests/ui/issues/issue-33941.stderr b/tests/ui/issues/issue-33941.current.stderr index 9535ea57430..d653bbd3274 100644 --- a/tests/ui/issues/issue-33941.stderr +++ b/tests/ui/issues/issue-33941.current.stderr @@ -1,5 +1,5 @@ error[E0271]: expected `Iter<'_, _, _>` to be an iterator that yields `&_`, but it yields `(&_, &_)` - --> $DIR/issue-33941.rs:6:36 + --> $DIR/issue-33941.rs:9:36 | LL | for _ in HashMap::new().iter().cloned() {} | ^^^^^^ expected `&_`, found `(&_, &_)` @@ -7,7 +7,7 @@ LL | for _ in HashMap::new().iter().cloned() {} = note: expected reference `&_` found tuple `(&_, &_)` note: the method call chain might not have had the expected associated types - --> $DIR/issue-33941.rs:6:29 + --> $DIR/issue-33941.rs:9:29 | LL | for _ in HashMap::new().iter().cloned() {} | -------------- ^^^^^^ `Iterator::Item` is `(&_, &_)` here @@ -17,7 +17,7 @@ note: required by a bound in `cloned` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL error[E0271]: expected `Iter<'_, _, _>` to be an iterator that yields `&_`, but it yields `(&_, &_)` - --> $DIR/issue-33941.rs:6:14 + --> $DIR/issue-33941.rs:9:14 | LL | for _ in HashMap::new().iter().cloned() {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&_`, found `(&_, &_)` diff --git a/tests/ui/issues/issue-33941.next.stderr b/tests/ui/issues/issue-33941.next.stderr new file mode 100644 index 00000000000..a5a6e51545a --- /dev/null +++ b/tests/ui/issues/issue-33941.next.stderr @@ -0,0 +1,25 @@ +error[E0271]: expected `Iter<'_, _, _>` to be an iterator that yields `&_`, but it yields `(&_, &_)` + --> $DIR/issue-33941.rs:9:36 + | +LL | for _ in HashMap::new().iter().cloned() {} + | ^^^^^^ expected `&_`, found `(&_, &_)` + | + = note: expected reference `&_` + found tuple `(&_, &_)` +note: required by a bound in `cloned` + --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL + +error[E0271]: expected `Iter<'_, _, _>` to be an iterator that yields `&_`, but it yields `(&_, &_)` + --> $DIR/issue-33941.rs:9:14 + | +LL | for _ in HashMap::new().iter().cloned() {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&_`, found `(&_, &_)` + | + = note: expected reference `&_` + found tuple `(&_, &_)` + = note: required for `Cloned<std::collections::hash_map::Iter<'_, _, _>>` to implement `Iterator` + = note: required for `Cloned<std::collections::hash_map::Iter<'_, _, _>>` to implement `IntoIterator` + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0271`. diff --git a/tests/ui/issues/issue-33941.rs b/tests/ui/issues/issue-33941.rs index 7b5be30834b..b0736204a08 100644 --- a/tests/ui/issues/issue-33941.rs +++ b/tests/ui/issues/issue-33941.rs @@ -1,8 +1,12 @@ +//@ revisions: current next +//@ ignore-compare-mode-next-solver (explicit revisions) +//@[next] compile-flags: -Znext-solver //@ compile-flags: -Zdeduplicate-diagnostics=yes use std::collections::HashMap; fn main() { - for _ in HashMap::new().iter().cloned() {} //~ ERROR expected `Iter<'_, _, _>` to be an iterator that yields `&_`, but it yields `(&_, &_)` + for _ in HashMap::new().iter().cloned() {} //~^ ERROR expected `Iter<'_, _, _>` to be an iterator that yields `&_`, but it yields `(&_, &_)` + //~| ERROR expected `Iter<'_, _, _>` to be an iterator that yields `&_`, but it yields `(&_, &_)` } diff --git a/tests/ui/issues/issue-50781.rs b/tests/ui/issues/issue-50781.rs index 32253c3c236..ab90db1cadc 100644 --- a/tests/ui/issues/issue-50781.rs +++ b/tests/ui/issues/issue-50781.rs @@ -9,11 +9,11 @@ impl X for () { } impl Trait for dyn X {} -//~^ ERROR the trait `X` cannot be made into an object +//~^ ERROR the trait `X` is not dyn compatible pub fn main() { // Check that this does not segfault. <dyn X as X>::foo(&()); - //~^ ERROR the trait `X` cannot be made into an object - //~| ERROR the trait `X` cannot be made into an object + //~^ ERROR the trait `X` is not dyn compatible + //~| ERROR the trait `X` is not dyn compatible } diff --git a/tests/ui/issues/issue-50781.stderr b/tests/ui/issues/issue-50781.stderr index 3e54a53aa95..293e9839944 100644 --- a/tests/ui/issues/issue-50781.stderr +++ b/tests/ui/issues/issue-50781.stderr @@ -1,51 +1,54 @@ -error[E0038]: the trait `X` cannot be made into an object +error[E0038]: the trait `X` is not dyn compatible --> $DIR/issue-50781.rs:11:16 | LL | impl Trait for dyn X {} - | ^^^^^ `X` cannot be made into an object + | ^^^^^ `X` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-50781.rs:4:8 | LL | trait X { - | - this trait cannot be made into an object... + | - this trait is not dyn compatible... LL | fn foo(&self) where Self: Trait; | ^^^ ...because method `foo` references the `Self` type in its `where` clause = help: consider moving `foo` to another trait - = help: only type `()` implements the trait, consider using it directly instead + = help: only type `()` implements `X`; consider using it directly instead. -error[E0038]: the trait `X` cannot be made into an object +error[E0038]: the trait `X` is not dyn compatible --> $DIR/issue-50781.rs:16:23 | LL | <dyn X as X>::foo(&()); - | ^^^ `X` cannot be made into an object + | ^^^ `X` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-50781.rs:4:8 | LL | trait X { - | - this trait cannot be made into an object... + | - this trait is not dyn compatible... LL | fn foo(&self) where Self: Trait; | ^^^ ...because method `foo` references the `Self` type in its `where` clause = help: consider moving `foo` to another trait - = help: only type `()` implements the trait, consider using it directly instead + = help: only type `()` implements `X`; consider using it directly instead. = note: required for the cast from `&()` to `&dyn X` -error[E0038]: the trait `X` cannot be made into an object +error[E0038]: the trait `X` is not dyn compatible --> $DIR/issue-50781.rs:16:6 | LL | <dyn X as X>::foo(&()); - | ^^^^^ `X` cannot be made into an object + | ^^^^^ `X` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-50781.rs:4:8 | LL | trait X { - | - this trait cannot be made into an object... + | - this trait is not dyn compatible... LL | fn foo(&self) where Self: Trait; | ^^^ ...because method `foo` references the `Self` type in its `where` clause = help: consider moving `foo` to another trait - = help: only type `()` implements the trait, consider using it directly instead + = help: only type `()` implements `X`; consider using it directly instead. error: aborting due to 3 previous errors diff --git a/tests/ui/kindck/kindck-inherited-copy-bound.curr.stderr b/tests/ui/kindck/kindck-inherited-copy-bound.curr.stderr index c392879db3e..83446fc9ec0 100644 --- a/tests/ui/kindck/kindck-inherited-copy-bound.curr.stderr +++ b/tests/ui/kindck/kindck-inherited-copy-bound.curr.stderr @@ -19,33 +19,35 @@ note: required by a bound in `take_param` LL | fn take_param<T:Foo>(foo: &T) { } | ^^^ required by this bound in `take_param` -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/kindck-inherited-copy-bound.rs:28:19 | LL | let z = &x as &dyn Foo; - | ^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/kindck-inherited-copy-bound.rs:10:13 | LL | trait Foo : Copy { | --- ^^^^ ...because it requires `Self: Sized` | | - | this trait cannot be made into an object... + | this trait is not dyn compatible... -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/kindck-inherited-copy-bound.rs:28:13 | LL | let z = &x as &dyn Foo; - | ^^ `Foo` cannot be made into an object + | ^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/kindck-inherited-copy-bound.rs:10:13 | LL | trait Foo : Copy { | --- ^^^^ ...because it requires `Self: Sized` | | - | this trait cannot be made into an object... + | this trait is not dyn compatible... = note: required for the cast from `&Box<{integer}>` to `&dyn Foo` error: aborting due to 3 previous errors diff --git a/tests/ui/kindck/kindck-inherited-copy-bound.dyn_compatible_for_dispatch.stderr b/tests/ui/kindck/kindck-inherited-copy-bound.dyn_compatible_for_dispatch.stderr index 34dcad13af3..271e5afb9e7 100644 --- a/tests/ui/kindck/kindck-inherited-copy-bound.dyn_compatible_for_dispatch.stderr +++ b/tests/ui/kindck/kindck-inherited-copy-bound.dyn_compatible_for_dispatch.stderr @@ -19,19 +19,20 @@ note: required by a bound in `take_param` LL | fn take_param<T:Foo>(foo: &T) { } | ^^^ required by this bound in `take_param` -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/kindck-inherited-copy-bound.rs:28:13 | LL | let z = &x as &dyn Foo; - | ^^ `Foo` cannot be made into an object + | ^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/kindck-inherited-copy-bound.rs:10:13 | LL | trait Foo : Copy { | --- ^^^^ ...because it requires `Self: Sized` | | - | this trait cannot be made into an object... + | this trait is not dyn compatible... = note: required for the cast from `&Box<i32>` to `&dyn Foo` error: aborting due to 2 previous errors diff --git a/tests/ui/layout/reprc-power-alignment.rs b/tests/ui/layout/reprc-power-alignment.rs new file mode 100644 index 00000000000..f6c1df55988 --- /dev/null +++ b/tests/ui/layout/reprc-power-alignment.rs @@ -0,0 +1,152 @@ +//@ check-pass +//@ compile-flags: --target powerpc64-ibm-aix +//@ needs-llvm-components: powerpc +//@ add-core-stubs +#![feature(no_core)] +#![no_core] +#![no_std] + +extern crate minicore; +use minicore::*; + +#[warn(uses_power_alignment)] + +#[repr(C)] +pub struct Floats { + a: f64, + b: u8, + c: f64, //~ WARNING repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type + d: f32, +} + +pub struct Floats2 { + a: f64, + b: u32, + c: f64, +} + +#[repr(C)] +pub struct Floats3 { + a: f32, + b: f32, + c: i64, +} + +#[repr(C)] +pub struct Floats4 { + a: u64, + b: u32, + c: f32, +} + +#[repr(C)] +pub struct Floats5 { + a: f32, + b: f64, //~ WARNING repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type + c: f32, +} + +#[repr(C)] +pub struct FloatAgg1 { + x: Floats, + y: f64, //~ WARNING repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type +} + +#[repr(C)] +pub struct FloatAgg2 { + x: i64, + y: Floats, //~ WARNING repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type +} + +#[repr(C)] +pub struct FloatAgg3 { + x: FloatAgg1, + // NOTE: the "power" alignment rule is infectious to nested struct fields. + y: FloatAgg2, //~ WARNING repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type + z: FloatAgg2, //~ WARNING repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type +} + +#[repr(C)] +pub struct FloatAgg4 { + x: FloatAgg1, + y: FloatAgg2, //~ WARNING repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type +} + +#[repr(C)] +pub struct FloatAgg5 { + x: FloatAgg1, + y: FloatAgg2, //~ WARNING repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type + z: FloatAgg3, //~ WARNING repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type +} + +#[repr(C)] +pub struct FloatAgg6 { + x: i64, + y: Floats, //~ WARNING repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type + z: u8, +} + +#[repr(C)] +pub struct FloatAgg7 { + x: i64, + y: Floats, //~ WARNING repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type + z: u8, + zz: f32, +} + +#[repr(C)] +pub struct A { + d: f64, +} +#[repr(C)] +pub struct B { + a: A, + f: f32, + d: f64, //~ WARNING repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type +} +#[repr(C)] +pub struct C { + c: u8, + b: B, //~ WARNING repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type +} +#[repr(C)] +pub struct D { + x: f64, +} +#[repr(C)] +pub struct E { + x: i32, + d: D, //~ WARNING repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type +} +#[repr(C)] +pub struct F { + a: u8, + b: f64, //~ WARNING repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type +} +#[repr(C)] +pub struct G { + a: u8, + b: u8, + c: f64, //~ WARNING repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type + d: f32, + e: f64, //~ WARNING repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type +} +// Should not warn on #[repr(packed)]. +#[repr(packed)] +pub struct H { + a: u8, + b: u8, + c: f64, + d: f32, + e: f64, +} +#[repr(C, packed)] +pub struct I { + a: u8, + b: u8, + c: f64, + d: f32, + e: f64, +} + +fn main() { } diff --git a/tests/ui/layout/reprc-power-alignment.stderr b/tests/ui/layout/reprc-power-alignment.stderr new file mode 100644 index 00000000000..18664e4d655 --- /dev/null +++ b/tests/ui/layout/reprc-power-alignment.stderr @@ -0,0 +1,112 @@ +warning: repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type + --> $DIR/reprc-power-alignment.rs:18:5 + | +LL | c: f64, + | ^^^^^^ + | +note: the lint level is defined here + --> $DIR/reprc-power-alignment.rs:12:8 + | +LL | #[warn(uses_power_alignment)] + | ^^^^^^^^^^^^^^^^^^^^ + +warning: repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type + --> $DIR/reprc-power-alignment.rs:45:5 + | +LL | b: f64, + | ^^^^^^ + | + = note: `#[warn(uses_power_alignment)]` on by default + +warning: repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type + --> $DIR/reprc-power-alignment.rs:52:5 + | +LL | y: f64, + | ^^^^^^ + +warning: repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type + --> $DIR/reprc-power-alignment.rs:58:5 + | +LL | y: Floats, + | ^^^^^^^^^ + +warning: repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type + --> $DIR/reprc-power-alignment.rs:65:5 + | +LL | y: FloatAgg2, + | ^^^^^^^^^^^^ + +warning: repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type + --> $DIR/reprc-power-alignment.rs:66:5 + | +LL | z: FloatAgg2, + | ^^^^^^^^^^^^ + +warning: repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type + --> $DIR/reprc-power-alignment.rs:72:5 + | +LL | y: FloatAgg2, + | ^^^^^^^^^^^^ + +warning: repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type + --> $DIR/reprc-power-alignment.rs:78:5 + | +LL | y: FloatAgg2, + | ^^^^^^^^^^^^ + +warning: repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type + --> $DIR/reprc-power-alignment.rs:79:5 + | +LL | z: FloatAgg3, + | ^^^^^^^^^^^^ + +warning: repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type + --> $DIR/reprc-power-alignment.rs:85:5 + | +LL | y: Floats, + | ^^^^^^^^^ + +warning: repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type + --> $DIR/reprc-power-alignment.rs:92:5 + | +LL | y: Floats, + | ^^^^^^^^^ + +warning: repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type + --> $DIR/reprc-power-alignment.rs:105:3 + | +LL | d: f64, + | ^^^^^^ + +warning: repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type + --> $DIR/reprc-power-alignment.rs:110:3 + | +LL | b: B, + | ^^^^ + +warning: repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type + --> $DIR/reprc-power-alignment.rs:119:3 + | +LL | d: D, + | ^^^^ + +warning: repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type + --> $DIR/reprc-power-alignment.rs:124:3 + | +LL | b: f64, + | ^^^^^^ + +warning: repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type + --> $DIR/reprc-power-alignment.rs:130:5 + | +LL | c: f64, + | ^^^^^^ + +warning: repr(C) does not follow the power alignment rule. This may affect platform C ABI compatibility for this type + --> $DIR/reprc-power-alignment.rs:132:5 + | +LL | e: f64, + | ^^^^^^ + +warning: 17 warnings emitted + diff --git a/tests/ui/layout/valid_range_oob.stderr b/tests/ui/layout/valid_range_oob.stderr index 9c360b2cd6e..1a0c3841250 100644 --- a/tests/ui/layout/valid_range_oob.stderr +++ b/tests/ui/layout/valid_range_oob.stderr @@ -5,4 +5,4 @@ error: the compiler unexpectedly panicked. this is a bug. query stack during panic: #0 [layout_of] computing layout of `Foo` #1 [eval_to_allocation_raw] const-evaluating + checking `FOO` -end of query stack +... and 2 other queries... use `env RUST_BACKTRACE=1` to see the full query stack diff --git a/tests/ui/lint/clashing-extern-fn.rs b/tests/ui/lint/clashing-extern-fn.rs index a12fe81eecd..9bbb20246df 100644 --- a/tests/ui/lint/clashing-extern-fn.rs +++ b/tests/ui/lint/clashing-extern-fn.rs @@ -248,6 +248,7 @@ mod sameish_members { mod same_sized_members_clash { mod a { + #[allow(uses_power_alignment)] #[repr(C)] struct Point3 { x: f32, diff --git a/tests/ui/lint/clashing-extern-fn.stderr b/tests/ui/lint/clashing-extern-fn.stderr index b30dd476a1d..48dd1adbc1f 100644 --- a/tests/ui/lint/clashing-extern-fn.stderr +++ b/tests/ui/lint/clashing-extern-fn.stderr @@ -1,5 +1,5 @@ warning: `extern` block uses type `Option<TransparentNoNiche>`, which is not FFI-safe - --> $DIR/clashing-extern-fn.rs:482:55 + --> $DIR/clashing-extern-fn.rs:483:55 | LL | fn hidden_niche_transparent_no_niche() -> Option<TransparentNoNiche>; | ^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe @@ -9,7 +9,7 @@ LL | fn hidden_niche_transparent_no_niche() -> Option<TransparentNoN = note: `#[warn(improper_ctypes)]` on by default warning: `extern` block uses type `Option<UnsafeCell<NonZero<usize>>>`, which is not FFI-safe - --> $DIR/clashing-extern-fn.rs:486:46 + --> $DIR/clashing-extern-fn.rs:487:46 | LL | fn hidden_niche_unsafe_cell() -> Option<UnsafeCell<NonZero<usize>>>; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe @@ -151,7 +151,7 @@ LL | fn draw_point(p: Point); found `unsafe extern "C" fn(sameish_members::b::Point)` warning: `origin` redeclared with a different signature - --> $DIR/clashing-extern-fn.rs:269:13 + --> $DIR/clashing-extern-fn.rs:270:13 | LL | fn origin() -> Point3; | ---------------------- `origin` previously declared here @@ -163,7 +163,7 @@ LL | fn origin() -> Point3; found `unsafe extern "C" fn() -> same_sized_members_clash::b::Point3` warning: `transparent_incorrect` redeclared with a different signature - --> $DIR/clashing-extern-fn.rs:292:13 + --> $DIR/clashing-extern-fn.rs:293:13 | LL | fn transparent_incorrect() -> T; | -------------------------------- `transparent_incorrect` previously declared here @@ -175,7 +175,7 @@ LL | fn transparent_incorrect() -> isize; found `unsafe extern "C" fn() -> isize` warning: `missing_return_type` redeclared with a different signature - --> $DIR/clashing-extern-fn.rs:310:13 + --> $DIR/clashing-extern-fn.rs:311:13 | LL | fn missing_return_type() -> usize; | ---------------------------------- `missing_return_type` previously declared here @@ -187,7 +187,7 @@ LL | fn missing_return_type(); found `unsafe extern "C" fn()` warning: `non_zero_usize` redeclared with a different signature - --> $DIR/clashing-extern-fn.rs:328:13 + --> $DIR/clashing-extern-fn.rs:329:13 | LL | fn non_zero_usize() -> core::num::NonZero<usize>; | ------------------------------------------------- `non_zero_usize` previously declared here @@ -199,7 +199,7 @@ LL | fn non_zero_usize() -> usize; found `unsafe extern "C" fn() -> usize` warning: `non_null_ptr` redeclared with a different signature - --> $DIR/clashing-extern-fn.rs:330:13 + --> $DIR/clashing-extern-fn.rs:331:13 | LL | fn non_null_ptr() -> core::ptr::NonNull<usize>; | ----------------------------------------------- `non_null_ptr` previously declared here @@ -211,7 +211,7 @@ LL | fn non_null_ptr() -> *const usize; found `unsafe extern "C" fn() -> *const usize` warning: `option_non_zero_usize_incorrect` redeclared with a different signature - --> $DIR/clashing-extern-fn.rs:424:13 + --> $DIR/clashing-extern-fn.rs:425:13 | LL | fn option_non_zero_usize_incorrect() -> usize; | ---------------------------------------------- `option_non_zero_usize_incorrect` previously declared here @@ -223,7 +223,7 @@ LL | fn option_non_zero_usize_incorrect() -> isize; found `unsafe extern "C" fn() -> isize` warning: `option_non_null_ptr_incorrect` redeclared with a different signature - --> $DIR/clashing-extern-fn.rs:426:13 + --> $DIR/clashing-extern-fn.rs:427:13 | LL | fn option_non_null_ptr_incorrect() -> *const usize; | --------------------------------------------------- `option_non_null_ptr_incorrect` previously declared here @@ -235,7 +235,7 @@ LL | fn option_non_null_ptr_incorrect() -> *const isize; found `unsafe extern "C" fn() -> *const isize` warning: `hidden_niche_transparent_no_niche` redeclared with a different signature - --> $DIR/clashing-extern-fn.rs:482:13 + --> $DIR/clashing-extern-fn.rs:483:13 | LL | fn hidden_niche_transparent_no_niche() -> usize; | ------------------------------------------------ `hidden_niche_transparent_no_niche` previously declared here @@ -247,7 +247,7 @@ LL | fn hidden_niche_transparent_no_niche() -> Option<TransparentNoN found `unsafe extern "C" fn() -> Option<TransparentNoNiche>` warning: `hidden_niche_unsafe_cell` redeclared with a different signature - --> $DIR/clashing-extern-fn.rs:486:13 + --> $DIR/clashing-extern-fn.rs:487:13 | LL | fn hidden_niche_unsafe_cell() -> usize; | --------------------------------------- `hidden_niche_unsafe_cell` previously declared here diff --git a/tests/ui/lint/dangling-pointers-from-temporaries/allow.stderr b/tests/ui/lint/dangling-pointers-from-temporaries/allow.stderr index fd434eacf3d..e1c12cfd1a5 100644 --- a/tests/ui/lint/dangling-pointers-from-temporaries/allow.stderr +++ b/tests/ui/lint/dangling-pointers-from-temporaries/allow.stderr @@ -7,6 +7,8 @@ LL | dbg!(String::new().as_ptr()); | this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `String` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> note: the lint level is defined here --> $DIR/allow.rs:7:12 @@ -23,6 +25,8 @@ LL | dbg!(String::new().as_ptr()); | this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `String` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> note: the lint level is defined here --> $DIR/allow.rs:18:12 diff --git a/tests/ui/lint/dangling-pointers-from-temporaries/calls.stderr b/tests/ui/lint/dangling-pointers-from-temporaries/calls.stderr index d1615b76d82..41c6cdd0e3e 100644 --- a/tests/ui/lint/dangling-pointers-from-temporaries/calls.stderr +++ b/tests/ui/lint/dangling-pointers-from-temporaries/calls.stderr @@ -7,6 +7,8 @@ LL | let ptr = cstring().as_ptr(); | this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `CString` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `CString` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> note: the lint level is defined here --> $DIR/calls.rs:1:9 @@ -23,6 +25,8 @@ LL | let ptr = cstring().as_ptr(); | this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `CString` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `CString` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: a dangling pointer will be produced because the temporary `CString` will be dropped @@ -34,6 +38,8 @@ LL | let _ptr: *const u8 = cstring().as_ptr().cast(); | this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `CString` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `CString` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: a dangling pointer will be produced because the temporary `CString` will be dropped @@ -45,6 +51,8 @@ LL | let _ptr: *const u8 = { cstring() }.as_ptr().cast(); | this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `CString` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `CString` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: a dangling pointer will be produced because the temporary `CString` will be dropped @@ -56,6 +64,8 @@ LL | let _ptr: *const u8 = { cstring().as_ptr() }.cast(); | this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `CString` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `CString` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: aborting due to 5 previous errors diff --git a/tests/ui/lint/dangling-pointers-from-temporaries/cstring-as-ptr.stderr b/tests/ui/lint/dangling-pointers-from-temporaries/cstring-as-ptr.stderr index 5289fbb8723..d4126ba231f 100644 --- a/tests/ui/lint/dangling-pointers-from-temporaries/cstring-as-ptr.stderr +++ b/tests/ui/lint/dangling-pointers-from-temporaries/cstring-as-ptr.stderr @@ -15,6 +15,8 @@ LL | let s = CString::new("some text").unwrap().as_ptr(); | this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `CString` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `CString` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> note: the lint level is defined here --> $DIR/cstring-as-ptr.rs:2:9 @@ -34,6 +36,8 @@ LL | mymacro!(); | ---------- in this macro invocation | = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `CString` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `CString` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> = note: this error originates in the macro `mymacro` (in Nightly builds, run with -Z macro-backtrace for more info) diff --git a/tests/ui/lint/dangling-pointers-from-temporaries/example-from-issue123613.stderr b/tests/ui/lint/dangling-pointers-from-temporaries/example-from-issue123613.stderr index 0de794f6ae2..aace55e92cf 100644 --- a/tests/ui/lint/dangling-pointers-from-temporaries/example-from-issue123613.stderr +++ b/tests/ui/lint/dangling-pointers-from-temporaries/example-from-issue123613.stderr @@ -7,6 +7,8 @@ LL | let str1 = String::with_capacity(MAX_PATH).as_mut_ptr(); | this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_mut_ptr` the `String` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_mut_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> note: the lint level is defined here --> $DIR/example-from-issue123613.rs:1:9 @@ -23,6 +25,8 @@ LL | let str2 = String::from("TotototototototototototototototototoT").as_ptr | this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `String` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: aborting due to 2 previous errors diff --git a/tests/ui/lint/dangling-pointers-from-temporaries/ext.stderr b/tests/ui/lint/dangling-pointers-from-temporaries/ext.stderr index 5d401c89c0c..976334ddef9 100644 --- a/tests/ui/lint/dangling-pointers-from-temporaries/ext.stderr +++ b/tests/ui/lint/dangling-pointers-from-temporaries/ext.stderr @@ -7,6 +7,8 @@ LL | let _ptr1 = Vec::<u32>::new().as_ptr().dbg(); | this `Vec<u32>` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `Vec<u32>` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `Vec<u32>` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `Vec<u32>` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> note: the lint level is defined here --> $DIR/ext.rs:1:9 @@ -23,6 +25,8 @@ LL | let _ptr2 = vec![0].as_ptr().foo(); | this `Vec<u32>` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `Vec<u32>` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `Vec<u32>` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `Vec<u32>` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: aborting due to 2 previous errors diff --git a/tests/ui/lint/dangling-pointers-from-temporaries/methods.stderr b/tests/ui/lint/dangling-pointers-from-temporaries/methods.stderr index 11c052c158e..a86a69bc39a 100644 --- a/tests/ui/lint/dangling-pointers-from-temporaries/methods.stderr +++ b/tests/ui/lint/dangling-pointers-from-temporaries/methods.stderr @@ -7,6 +7,8 @@ LL | vec![0u8].as_ptr(); | this `Vec<u8>` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `Vec<u8>` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `Vec<u8>` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `Vec<u8>` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> note: the lint level is defined here --> $DIR/methods.rs:1:9 @@ -23,6 +25,8 @@ LL | vec![0u8].as_mut_ptr(); | this `Vec<u8>` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_mut_ptr` the `Vec<u8>` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `Vec<u8>` to lives at least as long as the pointer returned by the call to `as_mut_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `Vec<u8>` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: aborting due to 2 previous errors diff --git a/tests/ui/lint/dangling-pointers-from-temporaries/temporaries.stderr b/tests/ui/lint/dangling-pointers-from-temporaries/temporaries.stderr index d2e9ac8c4e9..e8994703cab 100644 --- a/tests/ui/lint/dangling-pointers-from-temporaries/temporaries.stderr +++ b/tests/ui/lint/dangling-pointers-from-temporaries/temporaries.stderr @@ -7,6 +7,8 @@ LL | string().as_ptr(); | this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `String` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> note: the lint level is defined here --> $DIR/temporaries.rs:2:9 @@ -23,6 +25,8 @@ LL | "hello".to_string().as_ptr(); | this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `String` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: a dangling pointer will be produced because the temporary `String` will be dropped @@ -34,6 +38,8 @@ LL | (string() + "hello").as_ptr(); | this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `String` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: a dangling pointer will be produced because the temporary `String` will be dropped @@ -45,6 +51,8 @@ LL | (if true { String::new() } else { "hello".into() }).as_ptr(); | this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `String` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: a dangling pointer will be produced because the temporary `String` will be dropped @@ -58,6 +66,8 @@ LL | .as_ptr(); | ^^^^^^ this pointer will immediately be invalid | = note: pointers do not have a lifetime; when calling `as_ptr` the `String` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: a dangling pointer will be produced because the temporary `String` will be dropped @@ -71,6 +81,8 @@ LL | .as_ptr(); | ^^^^^^ this pointer will immediately be invalid | = note: pointers do not have a lifetime; when calling `as_ptr` the `String` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: a dangling pointer will be produced because the temporary `String` will be dropped @@ -82,6 +94,8 @@ LL | { string() }.as_ptr(); | this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `String` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: a dangling pointer will be produced because the temporary `Vec<u8>` will be dropped @@ -93,6 +107,8 @@ LL | vec![0u8].as_ptr(); | this `Vec<u8>` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `Vec<u8>` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `Vec<u8>` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `Vec<u8>` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: aborting due to 8 previous errors diff --git a/tests/ui/lint/dangling-pointers-from-temporaries/types.stderr b/tests/ui/lint/dangling-pointers-from-temporaries/types.stderr index 250ed6dc9e3..fab2459b53f 100644 --- a/tests/ui/lint/dangling-pointers-from-temporaries/types.stderr +++ b/tests/ui/lint/dangling-pointers-from-temporaries/types.stderr @@ -7,6 +7,8 @@ LL | declval::<CString>().as_ptr(); | this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `CString` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `CString` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> note: the lint level is defined here --> $DIR/types.rs:1:9 @@ -23,6 +25,8 @@ LL | declval::<String>().as_ptr(); | this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `String` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: a dangling pointer will be produced because the temporary `Vec<u8>` will be dropped @@ -34,6 +38,8 @@ LL | declval::<Vec<u8>>().as_ptr(); | this `Vec<u8>` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `Vec<u8>` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `Vec<u8>` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `Vec<u8>` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: a dangling pointer will be produced because the temporary `Box<CString>` will be dropped @@ -45,6 +51,8 @@ LL | declval::<Box<CString>>().as_ptr(); | this `Box<CString>` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `Box<CString>` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `Box<CString>` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `Box<CString>` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: a dangling pointer will be produced because the temporary `Box<[u8]>` will be dropped @@ -56,6 +64,8 @@ LL | declval::<Box<[u8]>>().as_ptr(); | this `Box<[u8]>` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `Box<[u8]>` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `Box<[u8]>` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `Box<[u8]>` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: a dangling pointer will be produced because the temporary `Box<str>` will be dropped @@ -67,6 +77,8 @@ LL | declval::<Box<str>>().as_ptr(); | this `Box<str>` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `Box<str>` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `Box<str>` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `Box<str>` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: a dangling pointer will be produced because the temporary `Box<CStr>` will be dropped @@ -78,6 +90,8 @@ LL | declval::<Box<CStr>>().as_ptr(); | this `Box<CStr>` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `Box<CStr>` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `Box<CStr>` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `Box<CStr>` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: a dangling pointer will be produced because the temporary `[u8; 10]` will be dropped @@ -89,6 +103,8 @@ LL | declval::<[u8; 10]>().as_ptr(); | this `[u8; 10]` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `[u8; 10]` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `[u8; 10]` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `[u8; 10]` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: a dangling pointer will be produced because the temporary `Box<[u8; 10]>` will be dropped @@ -100,6 +116,8 @@ LL | declval::<Box<[u8; 10]>>().as_ptr(); | this `Box<[u8; 10]>` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `Box<[u8; 10]>` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `Box<[u8; 10]>` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `Box<[u8; 10]>` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: a dangling pointer will be produced because the temporary `Box<Vec<u8>>` will be dropped @@ -111,6 +129,8 @@ LL | declval::<Box<Vec<u8>>>().as_ptr(); | this `Box<Vec<u8>>` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `Box<Vec<u8>>` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `Box<Vec<u8>>` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `Box<Vec<u8>>` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: a dangling pointer will be produced because the temporary `Box<String>` will be dropped @@ -122,6 +142,8 @@ LL | declval::<Box<String>>().as_ptr(); | this `Box<String>` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `Box<String>` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `Box<String>` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `Box<String>` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: a dangling pointer will be produced because the temporary `Box<Box<Box<Box<[u8]>>>>` will be dropped @@ -133,6 +155,8 @@ LL | declval::<Box<Box<Box<Box<[u8]>>>>>().as_ptr(); | this `Box<Box<Box<Box<[u8]>>>>` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `Box<Box<Box<Box<[u8]>>>>` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `Box<Box<Box<Box<[u8]>>>>` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `Box<Box<Box<Box<[u8]>>>>` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: a dangling pointer will be produced because the temporary `Cell<u8>` will be dropped @@ -144,6 +168,8 @@ LL | declval::<Cell<u8>>().as_ptr(); | this `Cell<u8>` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `Cell<u8>` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `Cell<u8>` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `Cell<u8>` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: a dangling pointer will be produced because the temporary `MaybeUninit<u8>` will be dropped @@ -155,6 +181,8 @@ LL | declval::<MaybeUninit<u8>>().as_ptr(); | this `MaybeUninit<u8>` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `MaybeUninit<u8>` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `MaybeUninit<u8>` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `MaybeUninit<u8>` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: a dangling pointer will be produced because the temporary `Vec<AsPtrFake>` will be dropped @@ -166,6 +194,8 @@ LL | declval::<Vec<AsPtrFake>>().as_ptr(); | this `Vec<AsPtrFake>` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `as_ptr` the `Vec<AsPtrFake>` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `Vec<AsPtrFake>` to lives at least as long as the pointer returned by the call to `as_ptr` + = help: in particular, if this pointer is returned from the current function, binding the `Vec<AsPtrFake>` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: a dangling pointer will be produced because the temporary `UnsafeCell<u8>` will be dropped @@ -177,6 +207,8 @@ LL | declval::<UnsafeCell<u8>>().get(); | this `UnsafeCell<u8>` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `get` the `UnsafeCell<u8>` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `UnsafeCell<u8>` to lives at least as long as the pointer returned by the call to `get` + = help: in particular, if this pointer is returned from the current function, binding the `UnsafeCell<u8>` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: a dangling pointer will be produced because the temporary `SyncUnsafeCell<u8>` will be dropped @@ -188,6 +220,8 @@ LL | declval::<SyncUnsafeCell<u8>>().get(); | this `SyncUnsafeCell<u8>` is deallocated at the end of the statement, bind it to a variable to extend its lifetime | = note: pointers do not have a lifetime; when calling `get` the `SyncUnsafeCell<u8>` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: you must make sure that the variable you bind the `SyncUnsafeCell<u8>` to lives at least as long as the pointer returned by the call to `get` + = help: in particular, if this pointer is returned from the current function, binding the `SyncUnsafeCell<u8>` inside the function will not suffice = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html> error: aborting due to 17 previous errors diff --git a/tests/ui/lint/wide_pointer_comparisons.stderr b/tests/ui/lint/wide_pointer_comparisons.stderr index 7fe382393d7..78548e308ed 100644 --- a/tests/ui/lint/wide_pointer_comparisons.stderr +++ b/tests/ui/lint/wide_pointer_comparisons.stderr @@ -615,7 +615,7 @@ warning: ambiguous wide pointer comparison, the comparison includes metadata whi --> $DIR/wide_pointer_comparisons.rs:169:37 | LL | ($a:expr, $b:expr) => { $a == $b } - | ^^ + | ^^^^^^^^ ... LL | cmp!(&a, &b); | ------------ in this macro invocation diff --git a/tests/ui/macros/not-utf8.rs b/tests/ui/macros/not-utf8.rs index 8100d65a9f8..ad8ac39d230 100644 --- a/tests/ui/macros/not-utf8.rs +++ b/tests/ui/macros/not-utf8.rs @@ -3,5 +3,5 @@ //@ reference: input.encoding.invalid fn foo() { - include!("not-utf8.bin") + include!("not-utf8.bin"); } diff --git a/tests/ui/macros/not-utf8.stderr b/tests/ui/macros/not-utf8.stderr index 0d587cab5f3..17ee8197ac8 100644 --- a/tests/ui/macros/not-utf8.stderr +++ b/tests/ui/macros/not-utf8.stderr @@ -1,9 +1,14 @@ -error: couldn't read $DIR/not-utf8.bin: stream did not contain valid UTF-8 +error: couldn't read `$DIR/not-utf8.bin`: stream did not contain valid UTF-8 --> $DIR/not-utf8.rs:6:5 | -LL | include!("not-utf8.bin") +LL | include!("not-utf8.bin"); | ^^^^^^^^^^^^^^^^^^^^^^^^ | +note: byte `193` is not valid utf-8 + --> $DIR/not-utf8.bin:1:1 + | +LL | �|�␂!5�cc␕␂�Ӻi��WWj�ȥ�'�}�␒�J�ȉ��W�␞O�@����␜w�V���LO����␔[ ␃_�'���SQ�~ذ��ų&��- ��lN~��!@␌ _#���kQ��h�␝�:�... + | ^ = note: this error originates in the macro `include` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 1 previous error diff --git a/tests/ui/macros/rfc-2011-nicer-assert-messages/assert-with-custom-errors-does-not-create-unnecessary-code.rs b/tests/ui/macros/rfc-2011-nicer-assert-messages/assert-with-custom-errors-does-not-create-unnecessary-code.rs index 37d94830db2..2a27164f9cb 100644 --- a/tests/ui/macros/rfc-2011-nicer-assert-messages/assert-with-custom-errors-does-not-create-unnecessary-code.rs +++ b/tests/ui/macros/rfc-2011-nicer-assert-messages/assert-with-custom-errors-does-not-create-unnecessary-code.rs @@ -1,4 +1,6 @@ -//@ compile-flags: --test +// -Zpanic_abort_tests makes this test work on panic=abort targets and +// it's a no-op on panic=unwind targets +//@ compile-flags: --test -Zpanic_abort_tests //@ run-pass #![feature(core_intrinsics, generic_assert)] diff --git a/tests/ui/macros/rfc-2011-nicer-assert-messages/feature-gate-generic_assert.rs b/tests/ui/macros/rfc-2011-nicer-assert-messages/feature-gate-generic_assert.rs index 86cc7adb90d..254d59076e5 100644 --- a/tests/ui/macros/rfc-2011-nicer-assert-messages/feature-gate-generic_assert.rs +++ b/tests/ui/macros/rfc-2011-nicer-assert-messages/feature-gate-generic_assert.rs @@ -1,4 +1,6 @@ -//@ compile-flags: --test +// -Zpanic_abort_tests makes this test work on panic=abort targets and +// it's a no-op on panic=unwind targets +//@ compile-flags: --test -Zpanic_abort_tests // ignore-tidy-linelength //@ run-pass diff --git a/tests/ui/mismatched_types/closure-arg-type-mismatch-issue-45727.current.fixed b/tests/ui/mismatched_types/closure-arg-type-mismatch-issue-45727.current.fixed new file mode 100644 index 00000000000..7383ab177dc --- /dev/null +++ b/tests/ui/mismatched_types/closure-arg-type-mismatch-issue-45727.current.fixed @@ -0,0 +1,12 @@ +//@ revisions: current next +//@ ignore-compare-mode-next-solver (explicit revisions) +//@[next] compile-flags: -Znext-solver +//@[current] run-rustfix +fn main() { + let _ = (-10..=10).find(|x: &i32| x.signum() == 0); + //[current]~^ ERROR type mismatch in closure arguments + //[next]~^^ ERROR expected a `FnMut(&<RangeInclusive<{integer}> as Iterator>::Item)` closure, found + let _ = (-10..=10).find(|x: &i32| x.signum() == 0); + //[current]~^ ERROR type mismatch in closure arguments + //[next]~^^ ERROR expected `RangeInclusive<{integer}>` to be an iterator that yields `&&i32`, but it yields `{integer}` +} diff --git a/tests/ui/mismatched_types/closure-arg-type-mismatch-issue-45727.stderr b/tests/ui/mismatched_types/closure-arg-type-mismatch-issue-45727.current.stderr index e52e095e9f7..c35d70a635c 100644 --- a/tests/ui/mismatched_types/closure-arg-type-mismatch-issue-45727.stderr +++ b/tests/ui/mismatched_types/closure-arg-type-mismatch-issue-45727.current.stderr @@ -1,5 +1,5 @@ error[E0631]: type mismatch in closure arguments - --> $DIR/closure-arg-type-mismatch-issue-45727.rs:3:24 + --> $DIR/closure-arg-type-mismatch-issue-45727.rs:6:24 | LL | let _ = (-10..=10).find(|x: i32| x.signum() == 0); | ^^^^ -------- found signature defined here @@ -16,7 +16,7 @@ LL | let _ = (-10..=10).find(|x: &i32| x.signum() == 0); | + error[E0631]: type mismatch in closure arguments - --> $DIR/closure-arg-type-mismatch-issue-45727.rs:4:24 + --> $DIR/closure-arg-type-mismatch-issue-45727.rs:9:24 | LL | let _ = (-10..=10).find(|x: &&&i32| x.signum() == 0); | ^^^^ ----------- found signature defined here diff --git a/tests/ui/mismatched_types/closure-arg-type-mismatch-issue-45727.fixed b/tests/ui/mismatched_types/closure-arg-type-mismatch-issue-45727.fixed deleted file mode 100644 index e6e3e1551e9..00000000000 --- a/tests/ui/mismatched_types/closure-arg-type-mismatch-issue-45727.fixed +++ /dev/null @@ -1,5 +0,0 @@ -//@ run-rustfix -fn main() { - let _ = (-10..=10).find(|x: &i32| x.signum() == 0); //~ ERROR type mismatch in closure arguments - let _ = (-10..=10).find(|x: &i32| x.signum() == 0); //~ ERROR type mismatch in closure arguments -} diff --git a/tests/ui/mismatched_types/closure-arg-type-mismatch-issue-45727.next.stderr b/tests/ui/mismatched_types/closure-arg-type-mismatch-issue-45727.next.stderr new file mode 100644 index 00000000000..6104a089337 --- /dev/null +++ b/tests/ui/mismatched_types/closure-arg-type-mismatch-issue-45727.next.stderr @@ -0,0 +1,24 @@ +error[E0277]: expected a `FnMut(&<RangeInclusive<{integer}> as Iterator>::Item)` closure, found `{closure@$DIR/closure-arg-type-mismatch-issue-45727.rs:6:29: 6:37}` + --> $DIR/closure-arg-type-mismatch-issue-45727.rs:6:29 + | +LL | let _ = (-10..=10).find(|x: i32| x.signum() == 0); + | ---- ^^^^^^^^^^^^^^^^^^^^^^^^ expected an `FnMut(&<RangeInclusive<{integer}> as Iterator>::Item)` closure, found `{closure@$DIR/closure-arg-type-mismatch-issue-45727.rs:6:29: 6:37}` + | | + | required by a bound introduced by this call + | + = help: the trait `for<'a> FnMut(&'a <RangeInclusive<{integer}> as Iterator>::Item)` is not implemented for closure `{closure@$DIR/closure-arg-type-mismatch-issue-45727.rs:6:29: 6:37}` + = note: expected a closure with arguments `(i32,)` + found a closure with arguments `(&<RangeInclusive<{integer}> as Iterator>::Item,)` +note: required by a bound in `find` + --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL + +error[E0271]: expected `RangeInclusive<{integer}>` to be an iterator that yields `&&i32`, but it yields `{integer}` + --> $DIR/closure-arg-type-mismatch-issue-45727.rs:9:33 + | +LL | let _ = (-10..=10).find(|x: &&&i32| x.signum() == 0); + | ^^^^^^ expected `&&i32`, found integer + +error: aborting due to 2 previous errors + +Some errors have detailed explanations: E0271, E0277. +For more information about an error, try `rustc --explain E0271`. diff --git a/tests/ui/mismatched_types/closure-arg-type-mismatch-issue-45727.rs b/tests/ui/mismatched_types/closure-arg-type-mismatch-issue-45727.rs index 64e815606d4..668a1a7a29c 100644 --- a/tests/ui/mismatched_types/closure-arg-type-mismatch-issue-45727.rs +++ b/tests/ui/mismatched_types/closure-arg-type-mismatch-issue-45727.rs @@ -1,5 +1,12 @@ -//@ run-rustfix +//@ revisions: current next +//@ ignore-compare-mode-next-solver (explicit revisions) +//@[next] compile-flags: -Znext-solver +//@[current] run-rustfix fn main() { - let _ = (-10..=10).find(|x: i32| x.signum() == 0); //~ ERROR type mismatch in closure arguments - let _ = (-10..=10).find(|x: &&&i32| x.signum() == 0); //~ ERROR type mismatch in closure arguments + let _ = (-10..=10).find(|x: i32| x.signum() == 0); + //[current]~^ ERROR type mismatch in closure arguments + //[next]~^^ ERROR expected a `FnMut(&<RangeInclusive<{integer}> as Iterator>::Item)` closure, found + let _ = (-10..=10).find(|x: &&&i32| x.signum() == 0); + //[current]~^ ERROR type mismatch in closure arguments + //[next]~^^ ERROR expected `RangeInclusive<{integer}>` to be an iterator that yields `&&i32`, but it yields `{integer}` } diff --git a/tests/ui/modules/path-no-file-name.rs b/tests/ui/modules/path-no-file-name.rs index 23127346e02..753a0950123 100644 --- a/tests/ui/modules/path-no-file-name.rs +++ b/tests/ui/modules/path-no-file-name.rs @@ -1,4 +1,4 @@ -//@ normalize-stderr: "\.:.*\(" -> ".: $$ACCESS_DENIED_MSG (" +//@ normalize-stderr: "\.`:.*\(" -> ".`: $$ACCESS_DENIED_MSG (" //@ normalize-stderr: "os error \d+" -> "os error $$ACCESS_DENIED_CODE" #[path = "."] diff --git a/tests/ui/modules/path-no-file-name.stderr b/tests/ui/modules/path-no-file-name.stderr index 834e8ea6b03..6274ecfed13 100644 --- a/tests/ui/modules/path-no-file-name.stderr +++ b/tests/ui/modules/path-no-file-name.stderr @@ -1,4 +1,4 @@ -error: couldn't read $DIR/.: $ACCESS_DENIED_MSG (os error $ACCESS_DENIED_CODE) +error: couldn't read `$DIR/.`: $ACCESS_DENIED_MSG (os error $ACCESS_DENIED_CODE) --> $DIR/path-no-file-name.rs:5:1 | LL | mod m; diff --git a/tests/ui/parser/issues/issue-5806.rs b/tests/ui/parser/issues/issue-5806.rs index dbd53a7adc4..1a819e22197 100644 --- a/tests/ui/parser/issues/issue-5806.rs +++ b/tests/ui/parser/issues/issue-5806.rs @@ -1,4 +1,4 @@ -//@ normalize-stderr: "parser:.*\(" -> "parser: $$ACCESS_DENIED_MSG (" +//@ normalize-stderr: "parser`:.*\(" -> "parser`: $$ACCESS_DENIED_MSG (" //@ normalize-stderr: "os error \d+" -> "os error $$ACCESS_DENIED_CODE" #[path = "../parser"] diff --git a/tests/ui/parser/issues/issue-5806.stderr b/tests/ui/parser/issues/issue-5806.stderr index 4b025bd19a0..88cc982baf2 100644 --- a/tests/ui/parser/issues/issue-5806.stderr +++ b/tests/ui/parser/issues/issue-5806.stderr @@ -1,4 +1,4 @@ -error: couldn't read $DIR/../parser: $ACCESS_DENIED_MSG (os error $ACCESS_DENIED_CODE) +error: couldn't read `$DIR/../parser`: $ACCESS_DENIED_MSG (os error $ACCESS_DENIED_CODE) --> $DIR/issue-5806.rs:5:1 | LL | mod foo; diff --git a/tests/ui/parser/issues/issue-65122-mac-invoc-in-mut-patterns.stderr b/tests/ui/parser/issues/issue-65122-mac-invoc-in-mut-patterns.stderr index 76259b40a93..dda37d83282 100644 --- a/tests/ui/parser/issues/issue-65122-mac-invoc-in-mut-patterns.stderr +++ b/tests/ui/parser/issues/issue-65122-mac-invoc-in-mut-patterns.stderr @@ -30,7 +30,7 @@ error: `mut` must be followed by a named binding --> $DIR/issue-65122-mac-invoc-in-mut-patterns.rs:13:13 | LL | let mut $eval = (); - | ^^^ + | ^^^^ ... LL | mac2! { does_not_exist!() } | --------------------------- in this macro invocation @@ -40,7 +40,7 @@ LL | mac2! { does_not_exist!() } help: remove the `mut` prefix | LL - let mut $eval = (); -LL + let $eval = (); +LL + let $eval = (); | error: cannot find macro `does_not_exist` in this scope diff --git a/tests/ui/parser/mod_file_with_path_attr.rs b/tests/ui/parser/mod_file_with_path_attr.rs index ff964f750e2..b7f4a9c6ae0 100644 --- a/tests/ui/parser/mod_file_with_path_attr.rs +++ b/tests/ui/parser/mod_file_with_path_attr.rs @@ -1,4 +1,4 @@ -//@ normalize-stderr: "not_a_real_file.rs:.*\(" -> "not_a_real_file.rs: $$FILE_NOT_FOUND_MSG (" +//@ normalize-stderr: "not_a_real_file.rs`:.*\(" -> "not_a_real_file.rs`: $$FILE_NOT_FOUND_MSG (" #[path = "not_a_real_file.rs"] mod m; //~ ERROR not_a_real_file.rs diff --git a/tests/ui/parser/mod_file_with_path_attr.stderr b/tests/ui/parser/mod_file_with_path_attr.stderr index 9ccb775daab..ef8a715712b 100644 --- a/tests/ui/parser/mod_file_with_path_attr.stderr +++ b/tests/ui/parser/mod_file_with_path_attr.stderr @@ -1,4 +1,4 @@ -error: couldn't read $DIR/not_a_real_file.rs: $FILE_NOT_FOUND_MSG (os error 2) +error: couldn't read `$DIR/not_a_real_file.rs`: $FILE_NOT_FOUND_MSG (os error 2) --> $DIR/mod_file_with_path_attr.rs:4:1 | LL | mod m; diff --git a/tests/ui/resolve/issue-3907-2.stderr b/tests/ui/resolve/issue-3907-2.stderr index 7c47c5973e3..4ab72a42eb8 100644 --- a/tests/ui/resolve/issue-3907-2.stderr +++ b/tests/ui/resolve/issue-3907-2.stderr @@ -1,14 +1,15 @@ -error[E0038]: the trait `issue_3907::Foo` cannot be made into an object +error[E0038]: the trait `issue_3907::Foo` is not dyn compatible --> $DIR/issue-3907-2.rs:11:12 | LL | fn bar(_x: Foo) {} - | ^^^ `issue_3907::Foo` cannot be made into an object + | ^^^ `issue_3907::Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/auxiliary/issue-3907.rs:2:8 | LL | fn bar(); - | ^^^ the trait cannot be made into an object because associated function `bar` has no `self` parameter + | ^^^ the trait is not dyn compatible because associated function `bar` has no `self` parameter error[E0277]: the size for values of type `(dyn issue_3907::Foo + 'static)` cannot be known at compilation time --> $DIR/issue-3907-2.rs:11:12 diff --git a/tests/ui/resolve/multiple_definitions_attribute_merging.stderr b/tests/ui/resolve/multiple_definitions_attribute_merging.stderr index 804fa079bb9..ac6307c7a69 100644 --- a/tests/ui/resolve/multiple_definitions_attribute_merging.stderr +++ b/tests/ui/resolve/multiple_definitions_attribute_merging.stderr @@ -21,7 +21,7 @@ Box<dyn Any> query stack during panic: #0 [mir_built] building MIR for `<impl at $DIR/multiple_definitions_attribute_merging.rs:15:10: 15:19>::eq` #1 [check_unsafety] unsafety-checking `<impl at $DIR/multiple_definitions_attribute_merging.rs:15:10: 15:19>::eq` -end of query stack +... and 1 other queries... use `env RUST_BACKTRACE=1` to see the full query stack error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0428`. diff --git a/tests/ui/resolve/proc_macro_generated_packed.stderr b/tests/ui/resolve/proc_macro_generated_packed.stderr index a5a02c9c393..8b700595034 100644 --- a/tests/ui/resolve/proc_macro_generated_packed.stderr +++ b/tests/ui/resolve/proc_macro_generated_packed.stderr @@ -12,6 +12,6 @@ Box<dyn Any> query stack during panic: #0 [mir_built] building MIR for `<impl at $DIR/proc_macro_generated_packed.rs:15:10: 15:19>::eq` #1 [check_unsafety] unsafety-checking `<impl at $DIR/proc_macro_generated_packed.rs:15:10: 15:19>::eq` -end of query stack +... and 1 other queries... use `env RUST_BACKTRACE=1` to see the full query stack error: aborting due to 1 previous error diff --git a/tests/ui/rfcs/rfc-0000-never_patterns/ICE-130779-never-arm-no-oatherwise-block.rs b/tests/ui/rfcs/rfc-0000-never_patterns/ICE-130779-never-arm-no-oatherwise-block.rs new file mode 100644 index 00000000000..2a7e730af16 --- /dev/null +++ b/tests/ui/rfcs/rfc-0000-never_patterns/ICE-130779-never-arm-no-oatherwise-block.rs @@ -0,0 +1,12 @@ +#![feature(never_patterns)] +#![allow(incomplete_features)] + +enum E { A } + +fn main() { + match E::A { + ! | //~ ERROR: a trailing `|` is not allowed in an or-pattern + //~^ ERROR: mismatched types + if true => {} //~ ERROR: a never pattern is always unreachable + } +} diff --git a/tests/ui/rfcs/rfc-0000-never_patterns/ICE-130779-never-arm-no-oatherwise-block.stderr b/tests/ui/rfcs/rfc-0000-never_patterns/ICE-130779-never-arm-no-oatherwise-block.stderr new file mode 100644 index 00000000000..26731e29ffc --- /dev/null +++ b/tests/ui/rfcs/rfc-0000-never_patterns/ICE-130779-never-arm-no-oatherwise-block.stderr @@ -0,0 +1,33 @@ +error: a trailing `|` is not allowed in an or-pattern + --> $DIR/ICE-130779-never-arm-no-oatherwise-block.rs:8:11 + | +LL | ! | + | - ^ + | | + | while parsing this or-pattern starting here + | +help: remove the `|` + | +LL - ! | +LL + ! + | + +error: a never pattern is always unreachable + --> $DIR/ICE-130779-never-arm-no-oatherwise-block.rs:10:20 + | +LL | if true => {} + | ^^ + | | + | this will never be executed + | help: remove this expression + +error: mismatched types + --> $DIR/ICE-130779-never-arm-no-oatherwise-block.rs:8:9 + | +LL | ! | + | ^ a never pattern must be used on an uninhabited type + | + = note: the matched value is of type `E` + +error: aborting due to 3 previous errors + diff --git a/tests/ui/rfcs/rfc-0000-never_patterns/ICE-133063-never-arm-no-otherwise-block.rs b/tests/ui/rfcs/rfc-0000-never_patterns/ICE-133063-never-arm-no-otherwise-block.rs new file mode 100644 index 00000000000..4f52f6ee4bd --- /dev/null +++ b/tests/ui/rfcs/rfc-0000-never_patterns/ICE-133063-never-arm-no-otherwise-block.rs @@ -0,0 +1,16 @@ +#![feature(never_type)] +#![feature(never_patterns)] +#![allow(incomplete_features)] + +enum Void {} + +fn foo(x: Void) { + loop { + match x { + (!|!) if false => {} //~ ERROR a never pattern is always unreachable + _ => {} + } + } +} + +fn main() {} diff --git a/tests/ui/rfcs/rfc-0000-never_patterns/ICE-133063-never-arm-no-otherwise-block.stderr b/tests/ui/rfcs/rfc-0000-never_patterns/ICE-133063-never-arm-no-otherwise-block.stderr new file mode 100644 index 00000000000..cc451fed318 --- /dev/null +++ b/tests/ui/rfcs/rfc-0000-never_patterns/ICE-133063-never-arm-no-otherwise-block.stderr @@ -0,0 +1,11 @@ +error: a never pattern is always unreachable + --> $DIR/ICE-133063-never-arm-no-otherwise-block.rs:10:31 + | +LL | (!|!) if false => {} + | ^^ + | | + | this will never be executed + | help: remove this expression + +error: aborting due to 1 previous error + diff --git a/tests/ui/rfcs/rfc-0000-never_patterns/ICE-133117-duplicate-never-arm.rs b/tests/ui/rfcs/rfc-0000-never_patterns/ICE-133117-duplicate-never-arm.rs new file mode 100644 index 00000000000..bca2ab56570 --- /dev/null +++ b/tests/ui/rfcs/rfc-0000-never_patterns/ICE-133117-duplicate-never-arm.rs @@ -0,0 +1,14 @@ +#![feature(never_type)] +#![feature(never_patterns)] +#![allow(incomplete_features)] + +enum Void {} + +fn foo(x: Void) { + match x { + (!|!) if true => {} //~ ERROR a never pattern is always unreachable + (!|!) if true => {} //~ ERROR a never pattern is always unreachable + } +} + +fn main() {} diff --git a/tests/ui/rfcs/rfc-0000-never_patterns/ICE-133117-duplicate-never-arm.stderr b/tests/ui/rfcs/rfc-0000-never_patterns/ICE-133117-duplicate-never-arm.stderr new file mode 100644 index 00000000000..5da9642dc19 --- /dev/null +++ b/tests/ui/rfcs/rfc-0000-never_patterns/ICE-133117-duplicate-never-arm.stderr @@ -0,0 +1,20 @@ +error: a never pattern is always unreachable + --> $DIR/ICE-133117-duplicate-never-arm.rs:9:26 + | +LL | (!|!) if true => {} + | ^^ + | | + | this will never be executed + | help: remove this expression + +error: a never pattern is always unreachable + --> $DIR/ICE-133117-duplicate-never-arm.rs:10:26 + | +LL | (!|!) if true => {} + | ^^ + | | + | this will never be executed + | help: remove this expression + +error: aborting due to 2 previous errors + diff --git a/tests/ui/rust-2024/unsafe-attributes/unsafe-attributes-fix.fixed b/tests/ui/rust-2024/unsafe-attributes/unsafe-attributes-fix.fixed index 8b179f7ef93..cba3d7f1f9f 100644 --- a/tests/ui/rust-2024/unsafe-attributes/unsafe-attributes-fix.fixed +++ b/tests/ui/rust-2024/unsafe-attributes/unsafe-attributes-fix.fixed @@ -40,6 +40,15 @@ macro_rules! meta2 { } } +macro_rules! with_cfg_attr { + () => { + #[cfg_attr(all(), unsafe(link_section = ".custom_section"))] + //~^ ERROR: unsafe attribute used without unsafe + //~| WARN this is accepted in the current edition + pub extern "C" fn abc() {} + }; +} + tt!([unsafe(no_mangle)]); //~^ ERROR: unsafe attribute used without unsafe //~| WARN this is accepted in the current edition @@ -52,6 +61,8 @@ meta2!(unsafe(export_name = "baw")); //~| WARN this is accepted in the current edition ident2!(export_name, "bars"); +with_cfg_attr!(); + #[unsafe(no_mangle)] //~^ ERROR: unsafe attribute used without unsafe //~| WARN this is accepted in the current edition diff --git a/tests/ui/rust-2024/unsafe-attributes/unsafe-attributes-fix.rs b/tests/ui/rust-2024/unsafe-attributes/unsafe-attributes-fix.rs index 34e5a6b96e3..4bbf9b25de5 100644 --- a/tests/ui/rust-2024/unsafe-attributes/unsafe-attributes-fix.rs +++ b/tests/ui/rust-2024/unsafe-attributes/unsafe-attributes-fix.rs @@ -40,6 +40,15 @@ macro_rules! meta2 { } } +macro_rules! with_cfg_attr { + () => { + #[cfg_attr(all(), link_section = ".custom_section")] + //~^ ERROR: unsafe attribute used without unsafe + //~| WARN this is accepted in the current edition + pub extern "C" fn abc() {} + }; +} + tt!([no_mangle]); //~^ ERROR: unsafe attribute used without unsafe //~| WARN this is accepted in the current edition @@ -52,6 +61,8 @@ meta2!(export_name = "baw"); //~| WARN this is accepted in the current edition ident2!(export_name, "bars"); +with_cfg_attr!(); + #[no_mangle] //~^ ERROR: unsafe attribute used without unsafe //~| WARN this is accepted in the current edition diff --git a/tests/ui/rust-2024/unsafe-attributes/unsafe-attributes-fix.stderr b/tests/ui/rust-2024/unsafe-attributes/unsafe-attributes-fix.stderr index 87330d2693d..15a48fb7159 100644 --- a/tests/ui/rust-2024/unsafe-attributes/unsafe-attributes-fix.stderr +++ b/tests/ui/rust-2024/unsafe-attributes/unsafe-attributes-fix.stderr @@ -1,5 +1,5 @@ error: unsafe attribute used without unsafe - --> $DIR/unsafe-attributes-fix.rs:43:6 + --> $DIR/unsafe-attributes-fix.rs:52:6 | LL | tt!([no_mangle]); | ^^^^^^^^^ usage of unsafe attribute @@ -34,7 +34,7 @@ LL | #[unsafe($e)] | +++++++ + error: unsafe attribute used without unsafe - --> $DIR/unsafe-attributes-fix.rs:47:7 + --> $DIR/unsafe-attributes-fix.rs:56:7 | LL | meta!(no_mangle); | ^^^^^^^^^ usage of unsafe attribute @@ -47,7 +47,7 @@ LL | meta!(unsafe(no_mangle)); | +++++++ + error: unsafe attribute used without unsafe - --> $DIR/unsafe-attributes-fix.rs:50:8 + --> $DIR/unsafe-attributes-fix.rs:59:8 | LL | meta2!(export_name = "baw"); | ^^^^^^^^^^^ usage of unsafe attribute @@ -77,7 +77,24 @@ LL | #[unsafe($e = $l)] | +++++++ + error: unsafe attribute used without unsafe - --> $DIR/unsafe-attributes-fix.rs:55:3 + --> $DIR/unsafe-attributes-fix.rs:45:27 + | +LL | #[cfg_attr(all(), link_section = ".custom_section")] + | ^^^^^^^^^^^^ usage of unsafe attribute +... +LL | with_cfg_attr!(); + | ---------------- in this macro invocation + | + = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2024! + = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/unsafe-attributes.html> + = note: this error originates in the macro `with_cfg_attr` (in Nightly builds, run with -Z macro-backtrace for more info) +help: wrap the attribute in `unsafe(...)` + | +LL | #[cfg_attr(all(), unsafe(link_section = ".custom_section"))] + | +++++++ + + +error: unsafe attribute used without unsafe + --> $DIR/unsafe-attributes-fix.rs:66:3 | LL | #[no_mangle] | ^^^^^^^^^ usage of unsafe attribute @@ -89,5 +106,5 @@ help: wrap the attribute in `unsafe(...)` LL | #[unsafe(no_mangle)] | +++++++ + -error: aborting due to 6 previous errors +error: aborting due to 7 previous errors diff --git a/tests/ui/self/arbitrary-self-types-dyn-incompatible.curr.stderr b/tests/ui/self/arbitrary-self-types-dyn-incompatible.curr.stderr index 2eb7597d5c1..3e018995ba5 100644 --- a/tests/ui/self/arbitrary-self-types-dyn-incompatible.curr.stderr +++ b/tests/ui/self/arbitrary-self-types-dyn-incompatible.curr.stderr @@ -1,38 +1,40 @@ -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/arbitrary-self-types-dyn-incompatible.rs:33:32 | LL | fn foo(self: &Rc<Self>) -> usize; | --------- help: consider changing method `foo`'s `self` parameter to be `&self`: `&Self` ... LL | let x = Rc::new(5usize) as Rc<dyn Foo>; - | ^^^^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/arbitrary-self-types-dyn-incompatible.rs:8:18 | LL | trait Foo { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn foo(self: &Rc<Self>) -> usize; | ^^^^^^^^^ ...because method `foo`'s `self` parameter cannot be dispatched on - = help: only type `usize` implements the trait, consider using it directly instead + = help: only type `usize` implements `Foo`; consider using it directly instead. -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/arbitrary-self-types-dyn-incompatible.rs:33:13 | LL | fn foo(self: &Rc<Self>) -> usize; | --------- help: consider changing method `foo`'s `self` parameter to be `&self`: `&Self` ... LL | let x = Rc::new(5usize) as Rc<dyn Foo>; - | ^^^^^^^^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/arbitrary-self-types-dyn-incompatible.rs:8:18 | LL | trait Foo { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn foo(self: &Rc<Self>) -> usize; | ^^^^^^^^^ ...because method `foo`'s `self` parameter cannot be dispatched on - = help: only type `usize` implements the trait, consider using it directly instead + = help: only type `usize` implements `Foo`; consider using it directly instead. = note: required for the cast from `Rc<usize>` to `Rc<dyn Foo>` error: aborting due to 2 previous errors diff --git a/tests/ui/self/arbitrary-self-types-dyn-incompatible.dyn_compatible_for_dispatch.stderr b/tests/ui/self/arbitrary-self-types-dyn-incompatible.dyn_compatible_for_dispatch.stderr index 02af692c4a3..12c93d58537 100644 --- a/tests/ui/self/arbitrary-self-types-dyn-incompatible.dyn_compatible_for_dispatch.stderr +++ b/tests/ui/self/arbitrary-self-types-dyn-incompatible.dyn_compatible_for_dispatch.stderr @@ -1,20 +1,21 @@ -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/arbitrary-self-types-dyn-incompatible.rs:33:13 | LL | fn foo(self: &Rc<Self>) -> usize; | --------- help: consider changing method `foo`'s `self` parameter to be `&self`: `&Self` ... LL | let x = Rc::new(5usize) as Rc<dyn Foo>; - | ^^^^^^^^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/arbitrary-self-types-dyn-incompatible.rs:8:18 | LL | trait Foo { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn foo(self: &Rc<Self>) -> usize; | ^^^^^^^^^ ...because method `foo`'s `self` parameter cannot be dispatched on - = help: only type `usize` implements the trait, consider using it directly instead + = help: only type `usize` implements `Foo`; consider using it directly instead. = note: required for the cast from `Rc<usize>` to `Rc<dyn Foo>` error: aborting due to 1 previous error diff --git a/tests/ui/statics/unsizing-wfcheck-issue-127299.rs b/tests/ui/statics/unsizing-wfcheck-issue-127299.rs index cd15be54ec7..fd07937d90f 100644 --- a/tests/ui/statics/unsizing-wfcheck-issue-127299.rs +++ b/tests/ui/statics/unsizing-wfcheck-issue-127299.rs @@ -6,12 +6,12 @@ trait Qux { pub struct Lint { pub desc: &'static dyn Qux, - //~^ ERROR cannot be made into an object + //~^ ERROR is not dyn compatible } static FOO: &Lint = &Lint { desc: "desc" }; //~^ ERROR cannot be shared between threads safely -//~| ERROR cannot be made into an object -//~| ERROR cannot be made into an object +//~| ERROR is not dyn compatible +//~| ERROR is not dyn compatible fn main() {} diff --git a/tests/ui/statics/unsizing-wfcheck-issue-127299.stderr b/tests/ui/statics/unsizing-wfcheck-issue-127299.stderr index 35dd570e91f..08c744979f5 100644 --- a/tests/ui/statics/unsizing-wfcheck-issue-127299.stderr +++ b/tests/ui/statics/unsizing-wfcheck-issue-127299.stderr @@ -1,14 +1,15 @@ -error[E0038]: the trait `Qux` cannot be made into an object +error[E0038]: the trait `Qux` is not dyn compatible --> $DIR/unsizing-wfcheck-issue-127299.rs:8:24 | LL | pub desc: &'static dyn Qux, - | ^^^^^^^ `Qux` cannot be made into an object + | ^^^^^^^ `Qux` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/unsizing-wfcheck-issue-127299.rs:4:8 | LL | trait Qux { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn bar() -> i32; | ^^^ ...because associated function `bar` has no `self` parameter help: consider turning `bar` into a method by giving it a `&self` argument @@ -36,17 +37,18 @@ LL | pub struct Lint { = note: required because it appears within the type `&'static Lint` = note: shared static variables must have a type that implements `Sync` -error[E0038]: the trait `Qux` cannot be made into an object +error[E0038]: the trait `Qux` is not dyn compatible --> $DIR/unsizing-wfcheck-issue-127299.rs:12:35 | LL | static FOO: &Lint = &Lint { desc: "desc" }; - | ^^^^^^ `Qux` cannot be made into an object + | ^^^^^^ `Qux` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/unsizing-wfcheck-issue-127299.rs:4:8 | LL | trait Qux { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn bar() -> i32; | ^^^ ...because associated function `bar` has no `self` parameter = note: required for the cast from `&'static str` to `&'static (dyn Qux + 'static)` @@ -59,17 +61,18 @@ help: alternatively, consider constraining `bar` so it does not apply to trait o LL | fn bar() -> i32 where Self: Sized; | +++++++++++++++++ -error[E0038]: the trait `Qux` cannot be made into an object +error[E0038]: the trait `Qux` is not dyn compatible --> $DIR/unsizing-wfcheck-issue-127299.rs:12:35 | LL | static FOO: &Lint = &Lint { desc: "desc" }; - | ^^^^^^ `Qux` cannot be made into an object + | ^^^^^^ `Qux` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/unsizing-wfcheck-issue-127299.rs:4:8 | LL | trait Qux { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn bar() -> i32; | ^^^ ...because associated function `bar` has no `self` parameter help: consider turning `bar` into a method by giving it a `&self` argument diff --git a/tests/ui/structs/default-field-values/non-exhaustive-ctor.disabled.stderr b/tests/ui/structs/default-field-values/non-exhaustive-ctor.disabled.stderr new file mode 100644 index 00000000000..63793425657 --- /dev/null +++ b/tests/ui/structs/default-field-values/non-exhaustive-ctor.disabled.stderr @@ -0,0 +1,86 @@ +error[E0658]: default values on fields are experimental + --> $DIR/non-exhaustive-ctor.rs:9:22 + | +LL | pub field: () = (), + | ^^^^^ + | + = note: see issue #132162 <https://github.com/rust-lang/rust/issues/132162> for more information + = help: add `#![feature(default_field_values)]` to the crate attributes to enable + = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date + +error[E0658]: default values on fields are experimental + --> $DIR/non-exhaustive-ctor.rs:11:25 + | +LL | pub field1: Priv = Priv, + | ^^^^^^^ + | + = note: see issue #132162 <https://github.com/rust-lang/rust/issues/132162> for more information + = help: add `#![feature(default_field_values)]` to the crate attributes to enable + = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date + +error[E0658]: default values on fields are experimental + --> $DIR/non-exhaustive-ctor.rs:13:25 + | +LL | pub field2: Priv = Priv, + | ^^^^^^^ + | + = note: see issue #132162 <https://github.com/rust-lang/rust/issues/132162> for more information + = help: add `#![feature(default_field_values)]` to the crate attributes to enable + = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date + +error[E0797]: base expression required after `..` + --> $DIR/non-exhaustive-ctor.rs:20:19 + | +LL | let _ = S { .. }; // ok + | ^ + | +help: add `#![feature(default_field_values)]` to the crate attributes to enable default values on `struct` fields + | +LL + #![feature(default_field_values)] + | +help: add a base expression here + | +LL | let _ = S { ../* expr */ }; // ok + | ++++++++++ + +error[E0797]: base expression required after `..` + --> $DIR/non-exhaustive-ctor.rs:22:30 + | +LL | let _ = S { field: (), .. }; // ok + | ^ + | +help: add `#![feature(default_field_values)]` to the crate attributes to enable default values on `struct` fields + | +LL + #![feature(default_field_values)] + | +help: add a base expression here + | +LL | let _ = S { field: (), ../* expr */ }; // ok + | ++++++++++ + +error[E0063]: missing fields `field`, `field1` and `field2` in initializer of `S` + --> $DIR/non-exhaustive-ctor.rs:24:13 + | +LL | let _ = S { }; + | ^ missing `field`, `field1` and `field2` + | +help: all remaining fields have default values, if you added `#![feature(default_field_values)]` to your crate you could use those values with `..` + | +LL | let _ = S { .. }; + | ~~~~~~ + +error[E0063]: missing fields `field1` and `field2` in initializer of `S` + --> $DIR/non-exhaustive-ctor.rs:26:13 + | +LL | let _ = S { field: () }; + | ^ missing `field1` and `field2` + | +help: all remaining fields have default values, if you added `#![feature(default_field_values)]` to your crate you could use those values with `..` + | +LL | let _ = S { field: (), .. }; + | ++++ + +error: aborting due to 7 previous errors + +Some errors have detailed explanations: E0063, E0658, E0797. +For more information about an error, try `rustc --explain E0063`. diff --git a/tests/ui/structs/default-field-values/non-exhaustive-ctor.enabled.fixed b/tests/ui/structs/default-field-values/non-exhaustive-ctor.enabled.fixed new file mode 100644 index 00000000000..7a371f993e8 --- /dev/null +++ b/tests/ui/structs/default-field-values/non-exhaustive-ctor.enabled.fixed @@ -0,0 +1,28 @@ +//@ revisions: enabled disabled +//@[enabled] run-rustfix +#![allow(private_interfaces, dead_code)] +#![cfg_attr(enabled, feature(default_field_values))] +use m::S; + +mod m { + pub struct S { + pub field: () = (), + //[disabled]~^ ERROR default values on fields are experimental + pub field1: Priv = Priv, + //[disabled]~^ ERROR default values on fields are experimental + pub field2: Priv = Priv, + //[disabled]~^ ERROR default values on fields are experimental + } + struct Priv; +} + +fn main() { + let _ = S { .. }; // ok + //[disabled]~^ ERROR base expression required after `..` + let _ = S { field: (), .. }; // ok + //[disabled]~^ ERROR base expression required after `..` + let _ = S { .. }; + //~^ ERROR missing fields `field`, `field1` and `field2` + let _ = S { field: (), .. }; + //~^ ERROR missing fields `field1` and `field2` +} diff --git a/tests/ui/structs/default-field-values/non-exhaustive-ctor.enabled.stderr b/tests/ui/structs/default-field-values/non-exhaustive-ctor.enabled.stderr new file mode 100644 index 00000000000..6d035ebdc47 --- /dev/null +++ b/tests/ui/structs/default-field-values/non-exhaustive-ctor.enabled.stderr @@ -0,0 +1,25 @@ +error[E0063]: missing fields `field`, `field1` and `field2` in initializer of `S` + --> $DIR/non-exhaustive-ctor.rs:24:13 + | +LL | let _ = S { }; + | ^ missing `field`, `field1` and `field2` + | +help: all remaining fields have default values, you can use those values with `..` + | +LL | let _ = S { .. }; + | ~~~~~~ + +error[E0063]: missing fields `field1` and `field2` in initializer of `S` + --> $DIR/non-exhaustive-ctor.rs:26:13 + | +LL | let _ = S { field: () }; + | ^ missing `field1` and `field2` + | +help: all remaining fields have default values, you can use those values with `..` + | +LL | let _ = S { field: (), .. }; + | ++++ + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0063`. diff --git a/tests/ui/structs/default-field-values/non-exhaustive-ctor.rs b/tests/ui/structs/default-field-values/non-exhaustive-ctor.rs new file mode 100644 index 00000000000..b60b219f8bc --- /dev/null +++ b/tests/ui/structs/default-field-values/non-exhaustive-ctor.rs @@ -0,0 +1,28 @@ +//@ revisions: enabled disabled +//@[enabled] run-rustfix +#![allow(private_interfaces, dead_code)] +#![cfg_attr(enabled, feature(default_field_values))] +use m::S; + +mod m { + pub struct S { + pub field: () = (), + //[disabled]~^ ERROR default values on fields are experimental + pub field1: Priv = Priv, + //[disabled]~^ ERROR default values on fields are experimental + pub field2: Priv = Priv, + //[disabled]~^ ERROR default values on fields are experimental + } + struct Priv; +} + +fn main() { + let _ = S { .. }; // ok + //[disabled]~^ ERROR base expression required after `..` + let _ = S { field: (), .. }; // ok + //[disabled]~^ ERROR base expression required after `..` + let _ = S { }; + //~^ ERROR missing fields `field`, `field1` and `field2` + let _ = S { field: () }; + //~^ ERROR missing fields `field1` and `field2` +} diff --git a/tests/ui/suggestions/dyn-incompatible-trait-references-self.rs b/tests/ui/suggestions/dyn-incompatible-trait-references-self.rs index 4b3d5faba46..66b435247d4 100644 --- a/tests/ui/suggestions/dyn-incompatible-trait-references-self.rs +++ b/tests/ui/suggestions/dyn-incompatible-trait-references-self.rs @@ -6,10 +6,10 @@ trait Trait { //~| ERROR the size for values of type `Self` cannot be known } -fn bar(x: &dyn Trait) {} //~ ERROR the trait `Trait` cannot be made into an object +fn bar(x: &dyn Trait) {} //~ ERROR the trait `Trait` is not dyn compatible trait Other: Sized {} -fn foo(x: &dyn Other) {} //~ ERROR the trait `Other` cannot be made into an object +fn foo(x: &dyn Other) {} //~ ERROR the trait `Other` is not dyn compatible fn main() {} diff --git a/tests/ui/suggestions/dyn-incompatible-trait-references-self.stderr b/tests/ui/suggestions/dyn-incompatible-trait-references-self.stderr index 242c44abd9d..cb0e7fce910 100644 --- a/tests/ui/suggestions/dyn-incompatible-trait-references-self.stderr +++ b/tests/ui/suggestions/dyn-incompatible-trait-references-self.stderr @@ -1,14 +1,15 @@ -error[E0038]: the trait `Trait` cannot be made into an object +error[E0038]: the trait `Trait` is not dyn compatible --> $DIR/dyn-incompatible-trait-references-self.rs:9:12 | LL | fn bar(x: &dyn Trait) {} - | ^^^^^^^^^ `Trait` cannot be made into an object + | ^^^^^^^^^ `Trait` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/dyn-incompatible-trait-references-self.rs:2:22 | LL | trait Trait { - | ----- this trait cannot be made into an object... + | ----- this trait is not dyn compatible... LL | fn baz(&self, _: Self) {} | ^^^^ ...because method `baz` references the `Self` type in this parameter LL | @@ -17,19 +18,20 @@ LL | fn bat(&self) -> Self {} = help: consider moving `baz` to another trait = help: consider moving `bat` to another trait -error[E0038]: the trait `Other` cannot be made into an object +error[E0038]: the trait `Other` is not dyn compatible --> $DIR/dyn-incompatible-trait-references-self.rs:13:12 | LL | fn foo(x: &dyn Other) {} - | ^^^^^^^^^ `Other` cannot be made into an object + | ^^^^^^^^^ `Other` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/dyn-incompatible-trait-references-self.rs:11:14 | LL | trait Other: Sized {} | ----- ^^^^^ ...because it requires `Self: Sized` | | - | this trait cannot be made into an object... + | this trait is not dyn compatible... error[E0277]: the size for values of type `Self` cannot be known at compilation time --> $DIR/dyn-incompatible-trait-references-self.rs:2:22 diff --git a/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021.rs b/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021.rs index 4ab10f40eb6..747926c400a 100644 --- a/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021.rs +++ b/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021.rs @@ -3,12 +3,12 @@ trait A: Sized { fn f(a: dyn A) -> dyn A; //~^ ERROR associated item referring to unboxed trait object for its own trait - //~| ERROR the trait `A` cannot be made into an object + //~| ERROR the trait `A` is not dyn compatible } trait B { fn f(a: dyn B) -> dyn B; //~^ ERROR associated item referring to unboxed trait object for its own trait - //~| ERROR the trait `B` cannot be made into an object + //~| ERROR the trait `B` is not dyn compatible } trait C { fn f(&self, a: dyn C) -> dyn C; diff --git a/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021.stderr b/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021.stderr index 5e0d1a14452..2efcad1e7bd 100644 --- a/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021.stderr +++ b/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021.stderr @@ -11,19 +11,20 @@ help: you might have meant to use `Self` to refer to the implementing type LL | fn f(a: Self) -> Self; | ~~~~ ~~~~ -error[E0038]: the trait `A` cannot be made into an object +error[E0038]: the trait `A` is not dyn compatible --> $DIR/dyn-incompatible-trait-should-use-self-2021.rs:4:13 | LL | fn f(a: dyn A) -> dyn A; - | ^^^^^ `A` cannot be made into an object + | ^^^^^ `A` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/dyn-incompatible-trait-should-use-self-2021.rs:3:10 | LL | trait A: Sized { | - ^^^^^ ...because it requires `Self: Sized` | | - | this trait cannot be made into an object... + | this trait is not dyn compatible... error: associated item referring to unboxed trait object for its own trait --> $DIR/dyn-incompatible-trait-should-use-self-2021.rs:9:13 @@ -38,17 +39,18 @@ help: you might have meant to use `Self` to refer to the implementing type LL | fn f(a: Self) -> Self; | ~~~~ ~~~~ -error[E0038]: the trait `B` cannot be made into an object +error[E0038]: the trait `B` is not dyn compatible --> $DIR/dyn-incompatible-trait-should-use-self-2021.rs:9:13 | LL | fn f(a: dyn B) -> dyn B; - | ^^^^^ `B` cannot be made into an object + | ^^^^^ `B` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/dyn-incompatible-trait-should-use-self-2021.rs:9:8 | LL | trait B { - | - this trait cannot be made into an object... + | - this trait is not dyn compatible... LL | fn f(a: dyn B) -> dyn B; | ^ ...because associated function `f` has no `self` parameter help: consider turning `f` into a method by giving it a `&self` argument diff --git a/tests/ui/suggestions/dyn-incompatible-trait-should-use-self.rs b/tests/ui/suggestions/dyn-incompatible-trait-should-use-self.rs index 75f99075eb1..2893bbc8b71 100644 --- a/tests/ui/suggestions/dyn-incompatible-trait-should-use-self.rs +++ b/tests/ui/suggestions/dyn-incompatible-trait-should-use-self.rs @@ -2,12 +2,12 @@ trait A: Sized { fn f(a: A) -> A; //~^ ERROR associated item referring to unboxed trait object for its own trait - //~| ERROR the trait `A` cannot be made into an object + //~| ERROR the trait `A` is not dyn compatible } trait B { fn f(a: B) -> B; //~^ ERROR associated item referring to unboxed trait object for its own trait - //~| ERROR the trait `B` cannot be made into an object + //~| ERROR the trait `B` is not dyn compatible } trait C { fn f(&self, a: C) -> C; diff --git a/tests/ui/suggestions/dyn-incompatible-trait-should-use-self.stderr b/tests/ui/suggestions/dyn-incompatible-trait-should-use-self.stderr index 93f6ea2b12e..ecb3ee9185f 100644 --- a/tests/ui/suggestions/dyn-incompatible-trait-should-use-self.stderr +++ b/tests/ui/suggestions/dyn-incompatible-trait-should-use-self.stderr @@ -11,19 +11,20 @@ help: you might have meant to use `Self` to refer to the implementing type LL | fn f(a: Self) -> Self; | ~~~~ ~~~~ -error[E0038]: the trait `A` cannot be made into an object +error[E0038]: the trait `A` is not dyn compatible --> $DIR/dyn-incompatible-trait-should-use-self.rs:3:13 | LL | fn f(a: A) -> A; - | ^ `A` cannot be made into an object + | ^ `A` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/dyn-incompatible-trait-should-use-self.rs:2:10 | LL | trait A: Sized { | - ^^^^^ ...because it requires `Self: Sized` | | - | this trait cannot be made into an object... + | this trait is not dyn compatible... error: associated item referring to unboxed trait object for its own trait --> $DIR/dyn-incompatible-trait-should-use-self.rs:8:13 @@ -38,17 +39,18 @@ help: you might have meant to use `Self` to refer to the implementing type LL | fn f(a: Self) -> Self; | ~~~~ ~~~~ -error[E0038]: the trait `B` cannot be made into an object +error[E0038]: the trait `B` is not dyn compatible --> $DIR/dyn-incompatible-trait-should-use-self.rs:8:13 | LL | fn f(a: B) -> B; - | ^ `B` cannot be made into an object + | ^ `B` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/dyn-incompatible-trait-should-use-self.rs:8:8 | LL | trait B { - | - this trait cannot be made into an object... + | - this trait is not dyn compatible... LL | fn f(a: B) -> B; | ^ ...because associated function `f` has no `self` parameter help: consider turning `f` into a method by giving it a `&self` argument diff --git a/tests/ui/suggestions/dyn-incompatible-trait-should-use-where-sized.fixed b/tests/ui/suggestions/dyn-incompatible-trait-should-use-where-sized.fixed index fd9b78934c7..2b26d8cc82e 100644 --- a/tests/ui/suggestions/dyn-incompatible-trait-should-use-where-sized.fixed +++ b/tests/ui/suggestions/dyn-incompatible-trait-should-use-where-sized.fixed @@ -6,7 +6,7 @@ trait Trait { fn bar(self: &Self) {} //~ ERROR invalid `self` parameter type } -fn bar(x: &dyn Trait) {} //~ ERROR the trait `Trait` cannot be made into an object +fn bar(x: &dyn Trait) {} //~ ERROR the trait `Trait` is not dyn compatible trait Other {} diff --git a/tests/ui/suggestions/dyn-incompatible-trait-should-use-where-sized.rs b/tests/ui/suggestions/dyn-incompatible-trait-should-use-where-sized.rs index e4aa0d89239..b0b02dedb2b 100644 --- a/tests/ui/suggestions/dyn-incompatible-trait-should-use-where-sized.rs +++ b/tests/ui/suggestions/dyn-incompatible-trait-should-use-where-sized.rs @@ -6,7 +6,7 @@ trait Trait { fn bar(self: ()) {} //~ ERROR invalid `self` parameter type } -fn bar(x: &dyn Trait) {} //~ ERROR the trait `Trait` cannot be made into an object +fn bar(x: &dyn Trait) {} //~ ERROR the trait `Trait` is not dyn compatible trait Other {} diff --git a/tests/ui/suggestions/dyn-incompatible-trait-should-use-where-sized.stderr b/tests/ui/suggestions/dyn-incompatible-trait-should-use-where-sized.stderr index beafd7c2ab0..696840d3ba4 100644 --- a/tests/ui/suggestions/dyn-incompatible-trait-should-use-where-sized.stderr +++ b/tests/ui/suggestions/dyn-incompatible-trait-should-use-where-sized.stderr @@ -1,14 +1,15 @@ -error[E0038]: the trait `Trait` cannot be made into an object +error[E0038]: the trait `Trait` is not dyn compatible --> $DIR/dyn-incompatible-trait-should-use-where-sized.rs:9:12 | LL | fn bar(x: &dyn Trait) {} - | ^^^^^^^^^ `Trait` cannot be made into an object + | ^^^^^^^^^ `Trait` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/dyn-incompatible-trait-should-use-where-sized.rs:5:8 | LL | trait Trait { - | ----- this trait cannot be made into an object... + | ----- this trait is not dyn compatible... LL | fn foo() where Self: Other, { } | ^^^ ...because associated function `foo` has no `self` parameter LL | fn bar(self: ()) {} diff --git a/tests/ui/suggestions/issue-116434-2015.rs b/tests/ui/suggestions/issue-116434-2015.rs index 2e94473eb1a..1518765152f 100644 --- a/tests/ui/suggestions/issue-116434-2015.rs +++ b/tests/ui/suggestions/issue-116434-2015.rs @@ -7,7 +7,7 @@ trait Foo { //~| WARNING trait objects without an explicit `dyn` are deprecated [bare_trait_objects] //~| WARNING this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! //~| HELP if this is a dyn-compatible trait, use `dyn` - //~| ERROR the trait `Clone` cannot be made into an object [E0038] + //~| ERROR the trait `Clone` is not dyn compatible [E0038] //~| HELP there is an associated type with the same name } @@ -22,7 +22,7 @@ trait DbInterface { //~| WARNING trait objects without an explicit `dyn` are deprecated [bare_trait_objects] //~| WARNING this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! //~| HELP if this is a dyn-compatible trait, use `dyn` - //~| ERROR the trait `DbHandle` cannot be made into an object [E0038] + //~| ERROR the trait `DbHandle` is not dyn compatible [E0038] //~| HELP there is an associated type with the same name } diff --git a/tests/ui/suggestions/issue-116434-2015.stderr b/tests/ui/suggestions/issue-116434-2015.stderr index 24fc87f765f..508c3ec5e4f 100644 --- a/tests/ui/suggestions/issue-116434-2015.stderr +++ b/tests/ui/suggestions/issue-116434-2015.stderr @@ -39,14 +39,15 @@ help: if this is a dyn-compatible trait, use `dyn` LL | fn foo() -> dyn Clone; | +++ -error[E0038]: the trait `Clone` cannot be made into an object +error[E0038]: the trait `Clone` is not dyn compatible --> $DIR/issue-116434-2015.rs:3:17 | LL | fn foo() -> Clone; - | ^^^^^ `Clone` cannot be made into an object + | ^^^^^ `Clone` is not dyn compatible | - = note: the trait cannot be made into an object because it requires `Self: Sized` - = note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + = note: the trait is not dyn compatible because it requires `Self: Sized` + = note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> help: there is an associated type with the same name | LL | fn foo() -> Self::Clone; @@ -66,19 +67,20 @@ help: if this is a dyn-compatible trait, use `dyn` LL | fn handle() -> dyn DbHandle; | +++ -error[E0038]: the trait `DbHandle` cannot be made into an object +error[E0038]: the trait `DbHandle` is not dyn compatible --> $DIR/issue-116434-2015.rs:18:20 | LL | fn handle() -> DbHandle; - | ^^^^^^^^ `DbHandle` cannot be made into an object + | ^^^^^^^^ `DbHandle` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-116434-2015.rs:14:17 | LL | trait DbHandle: Sized {} | -------- ^^^^^ ...because it requires `Self: Sized` | | - | this trait cannot be made into an object... + | this trait is not dyn compatible... help: there is an associated type with the same name | LL | fn handle() -> Self::DbHandle; diff --git a/tests/ui/suggestions/issue-98500.rs b/tests/ui/suggestions/issue-98500.rs index 289b16abf4b..869b665c8cb 100644 --- a/tests/ui/suggestions/issue-98500.rs +++ b/tests/ui/suggestions/issue-98500.rs @@ -9,6 +9,6 @@ pub trait B where } struct S(Box<dyn B>); -//~^ ERROR the trait `B` cannot be made into an object +//~^ ERROR the trait `B` is not dyn compatible fn main() {} diff --git a/tests/ui/suggestions/issue-98500.stderr b/tests/ui/suggestions/issue-98500.stderr index d7136ec1a64..97b712acfcb 100644 --- a/tests/ui/suggestions/issue-98500.stderr +++ b/tests/ui/suggestions/issue-98500.stderr @@ -1,10 +1,11 @@ -error[E0038]: the trait `B` cannot be made into an object +error[E0038]: the trait `B` is not dyn compatible --> $DIR/issue-98500.rs:11:14 | LL | struct S(Box<dyn B>); - | ^^^^^ `B` cannot be made into an object + | ^^^^^ `B` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/auxiliary/dyn-incompatible.rs:4:8 | LL | fn f(); @@ -15,7 +16,7 @@ LL | fn f2(self: &Arc<Self>); ::: $DIR/issue-98500.rs:5:11 | LL | pub trait B where - | - this trait cannot be made into an object... + | - this trait is not dyn compatible... = help: consider moving `f` to another trait = help: consider moving `f2` to another trait diff --git a/tests/ui/traits/alias/generic-default-in-dyn.rs b/tests/ui/traits/alias/generic-default-in-dyn.rs index b180f0a6803..b263e578c31 100644 --- a/tests/ui/traits/alias/generic-default-in-dyn.rs +++ b/tests/ui/traits/alias/generic-default-in-dyn.rs @@ -2,9 +2,9 @@ trait SendEqAlias<T> = PartialEq; //~^ ERROR trait aliases are experimental struct Foo<T>(dyn SendEqAlias<T>); -//~^ ERROR the trait alias `SendEqAlias` cannot be made into an object +//~^ ERROR the trait alias `SendEqAlias` is not dyn compatible struct Bar<T>(dyn SendEqAlias<T>, T); -//~^ ERROR the trait alias `SendEqAlias` cannot be made into an object +//~^ ERROR the trait alias `SendEqAlias` is not dyn compatible fn main() {} diff --git a/tests/ui/traits/alias/generic-default-in-dyn.stderr b/tests/ui/traits/alias/generic-default-in-dyn.stderr index 902d18de944..1ab9e6d5c5c 100644 --- a/tests/ui/traits/alias/generic-default-in-dyn.stderr +++ b/tests/ui/traits/alias/generic-default-in-dyn.stderr @@ -8,33 +8,35 @@ LL | trait SendEqAlias<T> = PartialEq; = help: add `#![feature(trait_alias)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date -error[E0038]: the trait alias `SendEqAlias` cannot be made into an object +error[E0038]: the trait alias `SendEqAlias` is not dyn compatible --> $DIR/generic-default-in-dyn.rs:4:19 | LL | struct Foo<T>(dyn SendEqAlias<T>); - | ^^^^^^^^^^^^^^ `SendEqAlias` cannot be made into an object + | ^^^^^^^^^^^^^^ `SendEqAlias` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/generic-default-in-dyn.rs:1:24 | LL | trait SendEqAlias<T> = PartialEq; | ----------- ^^^^^^^^^ ...because it uses `Self` as a type parameter | | - | this trait cannot be made into an object... + | this trait is not dyn compatible... -error[E0038]: the trait alias `SendEqAlias` cannot be made into an object +error[E0038]: the trait alias `SendEqAlias` is not dyn compatible --> $DIR/generic-default-in-dyn.rs:7:19 | LL | struct Bar<T>(dyn SendEqAlias<T>, T); - | ^^^^^^^^^^^^^^ `SendEqAlias` cannot be made into an object + | ^^^^^^^^^^^^^^ `SendEqAlias` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/generic-default-in-dyn.rs:1:24 | LL | trait SendEqAlias<T> = PartialEq; | ----------- ^^^^^^^^^ ...because it uses `Self` as a type parameter | | - | this trait cannot be made into an object... + | this trait is not dyn compatible... error: aborting due to 3 previous errors diff --git a/tests/ui/traits/alias/object-fail.rs b/tests/ui/traits/alias/object-fail.rs index 38da7b8eef4..9a1cbad53e7 100644 --- a/tests/ui/traits/alias/object-fail.rs +++ b/tests/ui/traits/alias/object-fail.rs @@ -5,7 +5,7 @@ trait IteratorAlias = Iterator; fn main() { let _: &dyn EqAlias = &123; - //~^ ERROR the trait alias `EqAlias` cannot be made into an object [E0038] + //~^ ERROR the trait alias `EqAlias` is not dyn compatible [E0038] let _: &dyn IteratorAlias = &vec![123].into_iter(); //~^ ERROR must be specified } diff --git a/tests/ui/traits/alias/object-fail.stderr b/tests/ui/traits/alias/object-fail.stderr index e4968ee2adc..52ce79a4597 100644 --- a/tests/ui/traits/alias/object-fail.stderr +++ b/tests/ui/traits/alias/object-fail.stderr @@ -1,10 +1,11 @@ -error[E0038]: the trait alias `EqAlias` cannot be made into an object +error[E0038]: the trait alias `EqAlias` is not dyn compatible --> $DIR/object-fail.rs:7:17 | LL | let _: &dyn EqAlias = &123; - | ^^^^^^^ `EqAlias` cannot be made into an object + | ^^^^^^^ `EqAlias` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $SRC_DIR/core/src/cmp.rs:LL:COL | = note: ...because it uses `Self` as a type parameter @@ -12,7 +13,7 @@ note: for a trait to be "dyn-compatible" it needs to allow building a vtable to ::: $DIR/object-fail.rs:3:7 | LL | trait EqAlias = Eq; - | ------- this trait cannot be made into an object... + | ------- this trait is not dyn compatible... error[E0191]: the value of the associated type `Item` in `Iterator` must be specified --> $DIR/object-fail.rs:9:17 diff --git a/tests/ui/traits/alias/self-in-const-generics.rs b/tests/ui/traits/alias/self-in-const-generics.rs index b0de8ccd678..a7d0ac9cbb4 100644 --- a/tests/ui/traits/alias/self-in-const-generics.rs +++ b/tests/ui/traits/alias/self-in-const-generics.rs @@ -7,6 +7,6 @@ trait Bar<const N: usize> {} trait BB = Bar<{ 2 + 1 }>; fn foo(x: &dyn BB) {} -//~^ ERROR the trait alias `BB` cannot be made into an object [E0038] +//~^ ERROR the trait alias `BB` is not dyn compatible [E0038] fn main() {} diff --git a/tests/ui/traits/alias/self-in-const-generics.stderr b/tests/ui/traits/alias/self-in-const-generics.stderr index 6dd6fabe7b2..3c799492591 100644 --- a/tests/ui/traits/alias/self-in-const-generics.stderr +++ b/tests/ui/traits/alias/self-in-const-generics.stderr @@ -1,16 +1,17 @@ -error[E0038]: the trait alias `BB` cannot be made into an object +error[E0038]: the trait alias `BB` is not dyn compatible --> $DIR/self-in-const-generics.rs:9:16 | LL | fn foo(x: &dyn BB) {} - | ^^ `BB` cannot be made into an object + | ^^ `BB` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/self-in-const-generics.rs:7:12 | LL | trait BB = Bar<{ 2 + 1 }>; | -- ^^^^^^^^^^^^^^ ...because it uses `Self` as a type parameter | | - | this trait cannot be made into an object... + | this trait is not dyn compatible... help: consider using an opaque type instead | LL | fn foo(x: &impl BB) {} diff --git a/tests/ui/traits/alias/self-in-generics.rs b/tests/ui/traits/alias/self-in-generics.rs index 433b741532d..53752d9cede 100644 --- a/tests/ui/traits/alias/self-in-generics.rs +++ b/tests/ui/traits/alias/self-in-generics.rs @@ -6,6 +6,6 @@ pub trait SelfInput = Fn(&mut Self); pub fn f(_f: &dyn SelfInput) {} -//~^ ERROR the trait alias `SelfInput` cannot be made into an object [E0038] +//~^ ERROR the trait alias `SelfInput` is not dyn compatible [E0038] fn main() {} diff --git a/tests/ui/traits/alias/self-in-generics.stderr b/tests/ui/traits/alias/self-in-generics.stderr index 4fbd979e5f5..5639b2b44a1 100644 --- a/tests/ui/traits/alias/self-in-generics.stderr +++ b/tests/ui/traits/alias/self-in-generics.stderr @@ -1,10 +1,11 @@ -error[E0038]: the trait alias `SelfInput` cannot be made into an object +error[E0038]: the trait alias `SelfInput` is not dyn compatible --> $DIR/self-in-generics.rs:8:19 | LL | pub fn f(_f: &dyn SelfInput) {} - | ^^^^^^^^^ `SelfInput` cannot be made into an object + | ^^^^^^^^^ `SelfInput` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/self-in-generics.rs:6:23 | LL | pub trait SelfInput = Fn(&mut Self); @@ -12,7 +13,7 @@ LL | pub trait SelfInput = Fn(&mut Self); | | | | | ...because it uses `Self` as a type parameter | | ...because it uses `Self` as a type parameter - | this trait cannot be made into an object... + | this trait is not dyn compatible... help: consider using an opaque type instead | LL | pub fn f(_f: &impl SelfInput) {} diff --git a/tests/ui/traits/issue-20692.rs b/tests/ui/traits/issue-20692.rs index 1cb2d8c7302..10611a232f7 100644 --- a/tests/ui/traits/issue-20692.rs +++ b/tests/ui/traits/issue-20692.rs @@ -2,10 +2,10 @@ trait Array: Sized + Copy {} fn f<T: Array>(x: &T) { let _ = x - //~^ ERROR `Array` cannot be made into an object + //~^ ERROR `Array` is not dyn compatible as &dyn Array; - //~^ ERROR `Array` cannot be made into an object + //~^ ERROR `Array` is not dyn compatible } fn main() {} diff --git a/tests/ui/traits/issue-20692.stderr b/tests/ui/traits/issue-20692.stderr index 5e6a967fdc4..50ea7cde961 100644 --- a/tests/ui/traits/issue-20692.stderr +++ b/tests/ui/traits/issue-20692.stderr @@ -1,32 +1,34 @@ -error[E0038]: the trait `Array` cannot be made into an object +error[E0038]: the trait `Array` is not dyn compatible --> $DIR/issue-20692.rs:7:5 | LL | &dyn Array; - | ^^^^^^^^^^ `Array` cannot be made into an object + | ^^^^^^^^^^ `Array` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-20692.rs:1:14 | LL | trait Array: Sized + Copy {} | ----- ^^^^^ ^^^^ ...because it requires `Self: Sized` | | | | | ...because it requires `Self: Sized` - | this trait cannot be made into an object... + | this trait is not dyn compatible... -error[E0038]: the trait `Array` cannot be made into an object +error[E0038]: the trait `Array` is not dyn compatible --> $DIR/issue-20692.rs:4:13 | LL | let _ = x - | ^ `Array` cannot be made into an object + | ^ `Array` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-20692.rs:1:14 | LL | trait Array: Sized + Copy {} | ----- ^^^^^ ^^^^ ...because it requires `Self: Sized` | | | | | ...because it requires `Self: Sized` - | this trait cannot be made into an object... + | this trait is not dyn compatible... = note: required for the cast from `&T` to `&dyn Array` error: aborting due to 2 previous errors diff --git a/tests/ui/traits/issue-28576.rs b/tests/ui/traits/issue-28576.rs index e19bd263581..fd026044401 100644 --- a/tests/ui/traits/issue-28576.rs +++ b/tests/ui/traits/issue-28576.rs @@ -6,7 +6,7 @@ pub trait Bar: Foo<Assoc=()> { //~^ ERROR: the size for values of type `Self` cannot be known //~| ERROR: the size for values of type `Self` cannot be known fn new(&self, b: & - dyn Bar //~ ERROR the trait `Bar` cannot be made into an object + dyn Bar //~ ERROR the trait `Bar` is not dyn compatible <Assoc=()> ); } diff --git a/tests/ui/traits/issue-28576.stderr b/tests/ui/traits/issue-28576.stderr index cb0d55dce59..ba113d573d6 100644 --- a/tests/ui/traits/issue-28576.stderr +++ b/tests/ui/traits/issue-28576.stderr @@ -18,15 +18,16 @@ help: consider relaxing the implicit `Sized` restriction LL | pub trait Foo<RHS: ?Sized=Self> { | ++++++++ -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/issue-28576.rs:9:16 | LL | dyn Bar | ________________^ LL | | <Assoc=()> - | |________________________^ `Bar` cannot be made into an object + | |________________________^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-28576.rs:5:16 | LL | pub trait Bar: Foo<Assoc=()> { @@ -34,7 +35,7 @@ LL | pub trait Bar: Foo<Assoc=()> { | | | | | | | ...because it uses `Self` as a type parameter | | ...because it uses `Self` as a type parameter - | this trait cannot be made into an object... + | this trait is not dyn compatible... help: consider using an opaque type instead | LL | impl Bar diff --git a/tests/ui/traits/issue-38404.rs b/tests/ui/traits/issue-38404.rs index 9b60116f733..36da594c015 100644 --- a/tests/ui/traits/issue-38404.rs +++ b/tests/ui/traits/issue-38404.rs @@ -1,8 +1,8 @@ trait A<T>: std::ops::Add<Self> + Sized {} trait B<T>: A<T> {} trait C<T>: A<dyn B<T, Output = usize>> {} -//~^ ERROR the trait `B` cannot be made into an object -//~| ERROR the trait `B` cannot be made into an object -//~| ERROR the trait `B` cannot be made into an object +//~^ ERROR the trait `B` is not dyn compatible +//~| ERROR the trait `B` is not dyn compatible +//~| ERROR the trait `B` is not dyn compatible fn main() {} diff --git a/tests/ui/traits/issue-38404.stderr b/tests/ui/traits/issue-38404.stderr index 98d49fa3cba..f9e592255dd 100644 --- a/tests/ui/traits/issue-38404.stderr +++ b/tests/ui/traits/issue-38404.stderr @@ -1,45 +1,48 @@ -error[E0038]: the trait `B` cannot be made into an object +error[E0038]: the trait `B` is not dyn compatible --> $DIR/issue-38404.rs:3:19 | LL | trait C<T>: A<dyn B<T, Output = usize>> {} - | ^^^^^^^^^^^^^^^^^^^^ `B` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^ `B` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-38404.rs:1:13 | LL | trait A<T>: std::ops::Add<Self> + Sized {} | ^^^^^^^^^^^^^^^^^^^ ...because it uses `Self` as a type parameter LL | trait B<T>: A<T> {} - | - this trait cannot be made into an object... + | - this trait is not dyn compatible... -error[E0038]: the trait `B` cannot be made into an object +error[E0038]: the trait `B` is not dyn compatible --> $DIR/issue-38404.rs:3:19 | LL | trait C<T>: A<dyn B<T, Output = usize>> {} - | ^^^^^^^^^^^^^^^^^^^^ `B` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^ `B` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-38404.rs:1:13 | LL | trait A<T>: std::ops::Add<Self> + Sized {} | ^^^^^^^^^^^^^^^^^^^ ...because it uses `Self` as a type parameter LL | trait B<T>: A<T> {} - | - this trait cannot be made into an object... + | - this trait is not dyn compatible... = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -error[E0038]: the trait `B` cannot be made into an object +error[E0038]: the trait `B` is not dyn compatible --> $DIR/issue-38404.rs:3:19 | LL | trait C<T>: A<dyn B<T, Output = usize>> {} - | ^^^^^^^^^^^^^^^^^^^^ `B` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^ `B` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-38404.rs:1:13 | LL | trait A<T>: std::ops::Add<Self> + Sized {} | ^^^^^^^^^^^^^^^^^^^ ...because it uses `Self` as a type parameter LL | trait B<T>: A<T> {} - | - this trait cannot be made into an object... + | - this trait is not dyn compatible... = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` error: aborting due to 3 previous errors diff --git a/tests/ui/traits/issue-38604.rs b/tests/ui/traits/issue-38604.rs index 002a3c43fcb..d90aa61ef9f 100644 --- a/tests/ui/traits/issue-38604.rs +++ b/tests/ui/traits/issue-38604.rs @@ -11,6 +11,6 @@ impl Foo for () { } fn main() { - let _f: Box<dyn Foo> = //~ ERROR `Foo` cannot be made into an object - Box::new(()); //~ ERROR `Foo` cannot be made into an object + let _f: Box<dyn Foo> = //~ ERROR `Foo` is not dyn compatible + Box::new(()); //~ ERROR `Foo` is not dyn compatible } diff --git a/tests/ui/traits/issue-38604.stderr b/tests/ui/traits/issue-38604.stderr index 5c788b0c85d..94f9c1540ad 100644 --- a/tests/ui/traits/issue-38604.stderr +++ b/tests/ui/traits/issue-38604.stderr @@ -1,32 +1,34 @@ -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/issue-38604.rs:14:13 | LL | let _f: Box<dyn Foo> = - | ^^^^^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-38604.rs:2:22 | LL | trait Foo where u32: Q<Self> { | --- ^^^^^^^ ...because it uses `Self` as a type parameter | | - | this trait cannot be made into an object... - = help: only type `()` implements the trait, consider using it directly instead + | this trait is not dyn compatible... + = help: only type `()` implements `Foo`; consider using it directly instead. -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/issue-38604.rs:15:9 | LL | Box::new(()); - | ^^^^^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-38604.rs:2:22 | LL | trait Foo where u32: Q<Self> { | --- ^^^^^^^ ...because it uses `Self` as a type parameter | | - | this trait cannot be made into an object... - = help: only type `()` implements the trait, consider using it directly instead + | this trait is not dyn compatible... + = help: only type `()` implements `Foo`; consider using it directly instead. = note: required for the cast from `Box<()>` to `Box<dyn Foo>` error: aborting due to 2 previous errors diff --git a/tests/ui/traits/issue-72410.rs b/tests/ui/traits/issue-72410.rs index c95f1dfdca5..df3738e2730 100644 --- a/tests/ui/traits/issue-72410.rs +++ b/tests/ui/traits/issue-72410.rs @@ -12,7 +12,7 @@ pub trait Foo { pub trait Bar { fn map() where for<'a> &'a mut [dyn Bar]: ; - //~^ ERROR: the trait `Bar` cannot be made into an object + //~^ ERROR: the trait `Bar` is not dyn compatible } fn main() {} diff --git a/tests/ui/traits/issue-72410.stderr b/tests/ui/traits/issue-72410.stderr index 6d56a198fc1..002345bff84 100644 --- a/tests/ui/traits/issue-72410.stderr +++ b/tests/ui/traits/issue-72410.stderr @@ -1,14 +1,15 @@ -error[E0038]: the trait `Bar` cannot be made into an object +error[E0038]: the trait `Bar` is not dyn compatible --> $DIR/issue-72410.rs:14:19 | LL | where for<'a> &'a mut [dyn Bar]: ; - | ^^^^^^^^^^^^^^^^^ `Bar` cannot be made into an object + | ^^^^^^^^^^^^^^^^^ `Bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-72410.rs:13:8 | LL | pub trait Bar { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn map() | ^^^ ...because associated function `map` has no `self` parameter help: consider turning `map` into a method by giving it a `&self` argument diff --git a/tests/ui/traits/item-privacy.rs b/tests/ui/traits/item-privacy.rs index a3e1a22e7a8..f5c741ccaa5 100644 --- a/tests/ui/traits/item-privacy.rs +++ b/tests/ui/traits/item-privacy.rs @@ -99,8 +99,8 @@ fn check_assoc_const() { S::C; // OK // A, B, C are resolved as inherent items, their traits don't need to be in scope <dyn C>::A; //~ ERROR associated constant `A` is private - //~^ ERROR the trait `assoc_const::C` cannot be made into an object - <dyn C>::B; // ERROR the trait `assoc_const::C` cannot be made into an object + //~^ ERROR the trait `assoc_const::C` is not dyn compatible + <dyn C>::B; // ERROR the trait `assoc_const::C` is not dyn compatible C::C; // OK } diff --git a/tests/ui/traits/item-privacy.stderr b/tests/ui/traits/item-privacy.stderr index c20d2f723c5..c97158a5b76 100644 --- a/tests/ui/traits/item-privacy.stderr +++ b/tests/ui/traits/item-privacy.stderr @@ -136,13 +136,14 @@ LL | const A: u8 = 0; LL | <dyn C>::A; | ^ private associated constant -error[E0038]: the trait `assoc_const::C` cannot be made into an object +error[E0038]: the trait `assoc_const::C` is not dyn compatible --> $DIR/item-privacy.rs:101:6 | LL | <dyn C>::A; - | ^^^^^ `assoc_const::C` cannot be made into an object + | ^^^^^ `assoc_const::C` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/item-privacy.rs:25:15 | LL | const A: u8 = 0; @@ -152,13 +153,13 @@ LL | const B: u8 = 0; | ^ ...because it contains this associated `const` ... LL | pub trait C: A + B { - | - this trait cannot be made into an object... + | - this trait is not dyn compatible... LL | const C: u8 = 0; | ^ ...because it contains this associated `const` = help: consider moving `C` to another trait = help: consider moving `A` to another trait = help: consider moving `B` to another trait - = help: only type `S` implements the trait, consider using it directly instead + = help: only type `S` implements `assoc_const::C`; consider using it directly instead. error[E0223]: ambiguous associated type --> $DIR/item-privacy.rs:115:12 diff --git a/tests/ui/traits/missing-for-type-in-impl.e2015.stderr b/tests/ui/traits/missing-for-type-in-impl.e2015.stderr index 541b49b024f..682d18842b8 100644 --- a/tests/ui/traits/missing-for-type-in-impl.e2015.stderr +++ b/tests/ui/traits/missing-for-type-in-impl.e2015.stderr @@ -34,17 +34,18 @@ help: you might have intended to implement this trait for a given type LL | impl Foo<i64> for /* Type */ { | ++++++++++++++ -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/missing-for-type-in-impl.rs:8:6 | LL | impl Foo<i64> { - | ^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/missing-for-type-in-impl.rs:4:8 | LL | trait Foo<T> { - | --- this trait cannot be made into an object... + | --- this trait is not dyn compatible... LL | fn id(me: T) -> T; | ^^ ...because associated function `id` has no `self` parameter help: consider turning `id` into a method by giving it a `&self` argument diff --git a/tests/ui/traits/missing-for-type-in-impl.rs b/tests/ui/traits/missing-for-type-in-impl.rs index e5dd3651609..e8163954274 100644 --- a/tests/ui/traits/missing-for-type-in-impl.rs +++ b/tests/ui/traits/missing-for-type-in-impl.rs @@ -11,7 +11,7 @@ impl Foo<i64> { //[e2015]~| WARNING trait objects without an explicit `dyn` are deprecated //[e2015]~| WARNING this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! //[e2015]~| WARNING this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! -//[e2015]~| ERROR the trait `Foo` cannot be made into an object +//[e2015]~| ERROR the trait `Foo` is not dyn compatible fn id(me: i64) -> i64 {me} } diff --git a/tests/ui/traits/next-solver/diagnostics/alias_relate_error_uses_structurally_normalize.rs b/tests/ui/traits/next-solver/diagnostics/alias_relate_error_uses_structurally_normalize.rs new file mode 100644 index 00000000000..5cea9bb74d7 --- /dev/null +++ b/tests/ui/traits/next-solver/diagnostics/alias_relate_error_uses_structurally_normalize.rs @@ -0,0 +1,28 @@ +//@ compile-flags: -Znext-solver + +// When encountering a fulfillment error from an `alias-relate` goal failing, we +// would previously manually construct a `normalizes-to` goal involving the alias +// and an infer var. This would then ICE as normalization would return a nested +// goal (the `T: Sized` from the `Trait` impl for `Foo<T>` below) from the root goal +// which is not supported. + +struct Foo<T>(T); + +trait Trait { + type Assoc; +} + +// `T: Sized` being explicit is not required, but the bound being present *is*. +impl<T: Sized> Trait for Foo<T> { + type Assoc = u64; +} + +fn bar<T: Trait<Assoc = u32>>(_: T) {} + +fn main() { + let foo = Foo(Default::default()); + bar(foo); + //~^ ERROR: type mismatch resolving `<Foo<_> as Trait>::Assoc == u32` + // Here diagnostics would manually construct a `<Foo<?y> as Trait>::Assoc normalizes-to ?x` goal + // which would return a nested goal of `?y: Sized` from the impl. +} diff --git a/tests/ui/traits/next-solver/diagnostics/alias_relate_error_uses_structurally_normalize.stderr b/tests/ui/traits/next-solver/diagnostics/alias_relate_error_uses_structurally_normalize.stderr new file mode 100644 index 00000000000..ff3cbdb2c78 --- /dev/null +++ b/tests/ui/traits/next-solver/diagnostics/alias_relate_error_uses_structurally_normalize.stderr @@ -0,0 +1,17 @@ +error[E0271]: type mismatch resolving `<Foo<_> as Trait>::Assoc == u32` + --> $DIR/alias_relate_error_uses_structurally_normalize.rs:24:9 + | +LL | bar(foo); + | --- ^^^ expected `u32`, found `u64` + | | + | required by a bound introduced by this call + | +note: required by a bound in `bar` + --> $DIR/alias_relate_error_uses_structurally_normalize.rs:20:17 + | +LL | fn bar<T: Trait<Assoc = u32>>(_: T) {} + | ^^^^^^^^^^^ required by this bound in `bar` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0271`. diff --git a/tests/ui/traits/next-solver/diagnostics/dont-pick-fnptr-bound-as-leaf.current.stderr b/tests/ui/traits/next-solver/diagnostics/dont-pick-fnptr-bound-as-leaf.current.stderr new file mode 100644 index 00000000000..a863886181c --- /dev/null +++ b/tests/ui/traits/next-solver/diagnostics/dont-pick-fnptr-bound-as-leaf.current.stderr @@ -0,0 +1,17 @@ +error[E0277]: the trait bound `Foo: Trait` is not satisfied + --> $DIR/dont-pick-fnptr-bound-as-leaf.rs:24:20 + | +LL | requires_trait(Foo); + | -------------- ^^^ the trait `Trait` is not implemented for `Foo` + | | + | required by a bound introduced by this call + | +note: required by a bound in `requires_trait` + --> $DIR/dont-pick-fnptr-bound-as-leaf.rs:19:22 + | +LL | fn requires_trait<T: Trait>(_: T) {} + | ^^^^^ required by this bound in `requires_trait` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/traits/next-solver/diagnostics/dont-pick-fnptr-bound-as-leaf.next.stderr b/tests/ui/traits/next-solver/diagnostics/dont-pick-fnptr-bound-as-leaf.next.stderr new file mode 100644 index 00000000000..a863886181c --- /dev/null +++ b/tests/ui/traits/next-solver/diagnostics/dont-pick-fnptr-bound-as-leaf.next.stderr @@ -0,0 +1,17 @@ +error[E0277]: the trait bound `Foo: Trait` is not satisfied + --> $DIR/dont-pick-fnptr-bound-as-leaf.rs:24:20 + | +LL | requires_trait(Foo); + | -------------- ^^^ the trait `Trait` is not implemented for `Foo` + | | + | required by a bound introduced by this call + | +note: required by a bound in `requires_trait` + --> $DIR/dont-pick-fnptr-bound-as-leaf.rs:19:22 + | +LL | fn requires_trait<T: Trait>(_: T) {} + | ^^^^^ required by this bound in `requires_trait` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/traits/next-solver/diagnostics/dont-pick-fnptr-bound-as-leaf.rs b/tests/ui/traits/next-solver/diagnostics/dont-pick-fnptr-bound-as-leaf.rs new file mode 100644 index 00000000000..995f2c9fbee --- /dev/null +++ b/tests/ui/traits/next-solver/diagnostics/dont-pick-fnptr-bound-as-leaf.rs @@ -0,0 +1,28 @@ +//@ revisions: current next +//@[next] compile-flags: -Znext-solver +//@ ignore-compare-mode-next-solver (explicit revisions) + +// When emitting an error for `Foo: Trait` not holding we attempt to find a nested goal +// to give as the reason why the bound does not hold. This test checks that we do not +// try to tell the user that `Foo: FnPtr` is unimplemented as that would be confusing. + +#![feature(fn_ptr_trait)] + +use std::marker::FnPtr; + +trait Trait {} + +impl<T: FnPtr> Trait for T {} + +struct Foo; + +fn requires_trait<T: Trait>(_: T) {} +//~^ NOTE: required by a bound in `requires_trait` +//~| NOTE: required by this bound in `requires_trait` + +fn main() { + requires_trait(Foo); + //~^ ERROR: the trait bound `Foo: Trait` is not satisfied + //~| NOTE: the trait `Trait` is not implemented for `Foo` + //~| NOTE: required by a bound introduced by this call +} diff --git a/tests/ui/traits/next-solver/non-wf-in-coerce-pointers.rs b/tests/ui/traits/next-solver/non-wf-in-coerce-pointers.rs new file mode 100644 index 00000000000..d05def2cb75 --- /dev/null +++ b/tests/ui/traits/next-solver/non-wf-in-coerce-pointers.rs @@ -0,0 +1,17 @@ +//@ compile-flags: -Znext-solver + +trait Wf { + type Assoc; +} + +struct S { + f: &'static <() as Wf>::Assoc, + //~^ ERROR the trait bound `(): Wf` is not satisfied +} + +fn main() { + let x: S = todo!(); + let y: &() = x.f; + //~^ ERROR mismatched types + //~| ERROR the trait bound `(): Wf` is not satisfied +} diff --git a/tests/ui/traits/next-solver/non-wf-in-coerce-pointers.stderr b/tests/ui/traits/next-solver/non-wf-in-coerce-pointers.stderr new file mode 100644 index 00000000000..32a7766a638 --- /dev/null +++ b/tests/ui/traits/next-solver/non-wf-in-coerce-pointers.stderr @@ -0,0 +1,39 @@ +error[E0277]: the trait bound `(): Wf` is not satisfied + --> $DIR/non-wf-in-coerce-pointers.rs:8:17 + | +LL | f: &'static <() as Wf>::Assoc, + | ^^^^^^^^^^^^^^^^^ the trait `Wf` is not implemented for `()` + | +help: this trait has no implementations, consider adding one + --> $DIR/non-wf-in-coerce-pointers.rs:3:1 + | +LL | trait Wf { + | ^^^^^^^^ + +error[E0308]: mismatched types + --> $DIR/non-wf-in-coerce-pointers.rs:14:18 + | +LL | let y: &() = x.f; + | --- ^^^ types differ + | | + | expected due to this + | + = note: expected reference `&()` + found reference `&'static <() as Wf>::Assoc` + +error[E0277]: the trait bound `(): Wf` is not satisfied + --> $DIR/non-wf-in-coerce-pointers.rs:14:18 + | +LL | let y: &() = x.f; + | ^^^ the trait `Wf` is not implemented for `()` + | +help: this trait has no implementations, consider adding one + --> $DIR/non-wf-in-coerce-pointers.rs:3:1 + | +LL | trait Wf { + | ^^^^^^^^ + +error: aborting due to 3 previous errors + +Some errors have detailed explanations: E0277, E0308. +For more information about an error, try `rustc --explain E0277`. diff --git a/tests/ui/traits/non_lifetime_binders/supertrait-dyn-compatibility.rs b/tests/ui/traits/non_lifetime_binders/supertrait-dyn-compatibility.rs index a635edb4485..28785ae3dea 100644 --- a/tests/ui/traits/non_lifetime_binders/supertrait-dyn-compatibility.rs +++ b/tests/ui/traits/non_lifetime_binders/supertrait-dyn-compatibility.rs @@ -17,8 +17,8 @@ impl<T: ?Sized> Bar<T> for () {} fn main() { let x: &dyn Foo = &(); - //~^ ERROR the trait `Foo` cannot be made into an object - //~| ERROR the trait `Foo` cannot be made into an object + //~^ ERROR the trait `Foo` is not dyn compatible + //~| ERROR the trait `Foo` is not dyn compatible needs_bar(x); - //~^ ERROR the trait `Foo` cannot be made into an object + //~^ ERROR the trait `Foo` is not dyn compatible } diff --git a/tests/ui/traits/non_lifetime_binders/supertrait-dyn-compatibility.stderr b/tests/ui/traits/non_lifetime_binders/supertrait-dyn-compatibility.stderr index dd2dca74f90..8448890c084 100644 --- a/tests/ui/traits/non_lifetime_binders/supertrait-dyn-compatibility.stderr +++ b/tests/ui/traits/non_lifetime_binders/supertrait-dyn-compatibility.stderr @@ -7,51 +7,54 @@ LL | #![feature(non_lifetime_binders)] = note: see issue #108185 <https://github.com/rust-lang/rust/issues/108185> for more information = note: `#[warn(incomplete_features)]` on by default -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/supertrait-dyn-compatibility.rs:19:23 | LL | let x: &dyn Foo = &(); - | ^^^ `Foo` cannot be made into an object + | ^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/supertrait-dyn-compatibility.rs:4:12 | LL | trait Foo: for<T> Bar<T> {} | --- ^^^^^^^^^^^^^ ...because where clause cannot reference non-lifetime `for<...>` variables | | - | this trait cannot be made into an object... - = help: only type `()` implements the trait, consider using it directly instead + | this trait is not dyn compatible... + = help: only type `()` implements `Foo`; consider using it directly instead. = note: required for the cast from `&()` to `&dyn Foo` -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/supertrait-dyn-compatibility.rs:19:12 | LL | let x: &dyn Foo = &(); - | ^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/supertrait-dyn-compatibility.rs:4:12 | LL | trait Foo: for<T> Bar<T> {} | --- ^^^^^^^^^^^^^ ...because where clause cannot reference non-lifetime `for<...>` variables | | - | this trait cannot be made into an object... - = help: only type `()` implements the trait, consider using it directly instead + | this trait is not dyn compatible... + = help: only type `()` implements `Foo`; consider using it directly instead. -error[E0038]: the trait `Foo` cannot be made into an object +error[E0038]: the trait `Foo` is not dyn compatible --> $DIR/supertrait-dyn-compatibility.rs:22:5 | LL | needs_bar(x); - | ^^^^^^^^^ `Foo` cannot be made into an object + | ^^^^^^^^^ `Foo` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/supertrait-dyn-compatibility.rs:4:12 | LL | trait Foo: for<T> Bar<T> {} | --- ^^^^^^^^^^^^^ ...because where clause cannot reference non-lifetime `for<...>` variables | | - | this trait cannot be made into an object... - = help: only type `()` implements the trait, consider using it directly instead + | this trait is not dyn compatible... + = help: only type `()` implements `Foo`; consider using it directly instead. error: aborting due to 3 previous errors; 1 warning emitted diff --git a/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.rs b/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.rs index 3af299e5b11..6dcfc754448 100644 --- a/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.rs +++ b/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.rs @@ -8,8 +8,8 @@ trait Try { fn w<'a, T: 'a, F: Fn(&'a T)>() { let b: &dyn FromResidual = &(); - //~^ ERROR: the trait `FromResidual` cannot be made into an object - //~| ERROR: the trait `FromResidual` cannot be made into an object + //~^ ERROR: the trait `FromResidual` is not dyn compatible + //~| ERROR: the trait `FromResidual` is not dyn compatible } fn main() {} diff --git a/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.stderr b/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.stderr index a131227e78e..7040c067f5c 100644 --- a/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.stderr +++ b/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.stderr @@ -1,14 +1,15 @@ -error[E0038]: the trait `FromResidual` cannot be made into an object +error[E0038]: the trait `FromResidual` is not dyn compatible --> $DIR/canonicalize-fresh-infer-vars-issue-103626.rs:10:32 | LL | let b: &dyn FromResidual = &(); - | ^^^ `FromResidual` cannot be made into an object + | ^^^ `FromResidual` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/canonicalize-fresh-infer-vars-issue-103626.rs:2:8 | LL | trait FromResidual<R = <Self as Try>::Residual> { - | ------------ this trait cannot be made into an object... + | ------------ this trait is not dyn compatible... LL | fn from_residual(residual: R) -> Self; | ^^^^^^^^^^^^^ ...because associated function `from_residual` has no `self` parameter = note: required for the cast from `&()` to `&dyn FromResidual<{type error}>` @@ -21,17 +22,18 @@ help: alternatively, consider constraining `from_residual` so it does not apply LL | fn from_residual(residual: R) -> Self where Self: Sized; | +++++++++++++++++ -error[E0038]: the trait `FromResidual` cannot be made into an object +error[E0038]: the trait `FromResidual` is not dyn compatible --> $DIR/canonicalize-fresh-infer-vars-issue-103626.rs:10:12 | LL | let b: &dyn FromResidual = &(); - | ^^^^^^^^^^^^^^^^^ `FromResidual` cannot be made into an object + | ^^^^^^^^^^^^^^^^^ `FromResidual` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/canonicalize-fresh-infer-vars-issue-103626.rs:2:8 | LL | trait FromResidual<R = <Self as Try>::Residual> { - | ------------ this trait cannot be made into an object... + | ------------ this trait is not dyn compatible... LL | fn from_residual(residual: R) -> Self; | ^^^^^^^^^^^^^ ...because associated function `from_residual` has no `self` parameter help: consider turning `from_residual` into a method by giving it a `&self` argument diff --git a/tests/ui/traits/object/macro-matcher.rs b/tests/ui/traits/object/macro-matcher.rs index 91097874997..675d9f51532 100644 --- a/tests/ui/traits/object/macro-matcher.rs +++ b/tests/ui/traits/object/macro-matcher.rs @@ -6,7 +6,7 @@ macro_rules! m { fn main() { m!(dyn Copy + Send + 'static); - //~^ ERROR the trait `Copy` cannot be made into an object + //~^ ERROR the trait `Copy` is not dyn compatible m!(dyn 'static + Send); m!(dyn 'static +); //~ ERROR at least one trait is required for an object type } diff --git a/tests/ui/traits/object/macro-matcher.stderr b/tests/ui/traits/object/macro-matcher.stderr index 7924c86e294..ab0fc213c9f 100644 --- a/tests/ui/traits/object/macro-matcher.stderr +++ b/tests/ui/traits/object/macro-matcher.stderr @@ -4,14 +4,15 @@ error[E0224]: at least one trait is required for an object type LL | m!(dyn 'static +); | ^^^^^^^^^^^^^ -error[E0038]: the trait `Copy` cannot be made into an object +error[E0038]: the trait `Copy` is not dyn compatible --> $DIR/macro-matcher.rs:8:8 | LL | m!(dyn Copy + Send + 'static); - | ^^^^^^^^^^^^^^^^^^^^^^^^^ `Copy` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^^^^^^ `Copy` is not dyn compatible | - = note: the trait cannot be made into an object because it requires `Self: Sized` - = note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + = note: the trait is not dyn compatible because it requires `Self: Sized` + = note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> error: aborting due to 2 previous errors diff --git a/tests/ui/traits/object/safety.stderr b/tests/ui/traits/object/safety.stderr index a2cb656b08d..eab59f39c28 100644 --- a/tests/ui/traits/object/safety.stderr +++ b/tests/ui/traits/object/safety.stderr @@ -1,17 +1,18 @@ -error[E0038]: the trait `Tr` cannot be made into an object +error[E0038]: the trait `Tr` is not dyn compatible --> $DIR/safety.rs:15:22 | LL | let _: &dyn Tr = &St; - | ^^^ `Tr` cannot be made into an object + | ^^^ `Tr` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/safety.rs:4:8 | LL | trait Tr { - | -- this trait cannot be made into an object... + | -- this trait is not dyn compatible... LL | fn foo(); | ^^^ ...because associated function `foo` has no `self` parameter - = help: only type `St` implements the trait, consider using it directly instead + = help: only type `St` implements `Tr`; consider using it directly instead. = note: required for the cast from `&St` to `&dyn Tr` help: consider turning `foo` into a method by giving it a `&self` argument | @@ -22,20 +23,21 @@ help: alternatively, consider constraining `foo` so it does not apply to trait o LL | fn foo() where Self: Sized; | +++++++++++++++++ -error[E0038]: the trait `Tr` cannot be made into an object +error[E0038]: the trait `Tr` is not dyn compatible --> $DIR/safety.rs:15:12 | LL | let _: &dyn Tr = &St; - | ^^^^^^^ `Tr` cannot be made into an object + | ^^^^^^^ `Tr` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/safety.rs:4:8 | LL | trait Tr { - | -- this trait cannot be made into an object... + | -- this trait is not dyn compatible... LL | fn foo(); | ^^^ ...because associated function `foo` has no `self` parameter - = help: only type `St` implements the trait, consider using it directly instead + = help: only type `St` implements `Tr`; consider using it directly instead. help: consider turning `foo` into a method by giving it a `&self` argument | LL | fn foo(&self); diff --git a/tests/ui/traits/test-2.stderr b/tests/ui/traits/test-2.stderr index 3da95b47844..8915e490b4d 100644 --- a/tests/ui/traits/test-2.stderr +++ b/tests/ui/traits/test-2.stderr @@ -26,65 +26,74 @@ note: method defined here, with 1 generic parameter: `X` LL | trait bar { fn dup(&self) -> Self; fn blah<X>(&self); } | ^^^^ - -error[E0038]: the trait `bar` cannot be made into an object +error[E0038]: the trait `bar` is not dyn compatible --> $DIR/test-2.rs:13:22 | LL | (Box::new(10) as Box<dyn bar>).dup(); - | ^^^^^^^^^^^^ `bar` cannot be made into an object + | ^^^^^^^^^^^^ `bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/test-2.rs:4:30 | LL | trait bar { fn dup(&self) -> Self; fn blah<X>(&self); } | --- ^^^^ ^^^^ ...because method `blah` has generic type parameters | | | | | ...because method `dup` references the `Self` type in its return type - | this trait cannot be made into an object... + | this trait is not dyn compatible... = help: consider moving `dup` to another trait = help: consider moving `blah` to another trait - = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `bar` for this new enum and using it instead: + = help: the following types implement `bar`: i32 u32 + consider defining an enum where each variant holds one of these types, + implementing `bar` for this new enum and using it instead -error[E0038]: the trait `bar` cannot be made into an object +error[E0038]: the trait `bar` is not dyn compatible --> $DIR/test-2.rs:13:5 | LL | (Box::new(10) as Box<dyn bar>).dup(); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `bar` cannot be made into an object + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/test-2.rs:4:30 | LL | trait bar { fn dup(&self) -> Self; fn blah<X>(&self); } | --- ^^^^ ^^^^ ...because method `blah` has generic type parameters | | | | | ...because method `dup` references the `Self` type in its return type - | this trait cannot be made into an object... + | this trait is not dyn compatible... = help: consider moving `dup` to another trait = help: consider moving `blah` to another trait - = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `bar` for this new enum and using it instead: + = help: the following types implement `bar`: i32 u32 + consider defining an enum where each variant holds one of these types, + implementing `bar` for this new enum and using it instead -error[E0038]: the trait `bar` cannot be made into an object +error[E0038]: the trait `bar` is not dyn compatible --> $DIR/test-2.rs:13:6 | LL | (Box::new(10) as Box<dyn bar>).dup(); - | ^^^^^^^^^^^^ `bar` cannot be made into an object + | ^^^^^^^^^^^^ `bar` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/test-2.rs:4:30 | LL | trait bar { fn dup(&self) -> Self; fn blah<X>(&self); } | --- ^^^^ ^^^^ ...because method `blah` has generic type parameters | | | | | ...because method `dup` references the `Self` type in its return type - | this trait cannot be made into an object... + | this trait is not dyn compatible... = help: consider moving `dup` to another trait = help: consider moving `blah` to another trait - = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `bar` for this new enum and using it instead: + = help: the following types implement `bar`: i32 u32 + consider defining an enum where each variant holds one of these types, + implementing `bar` for this new enum and using it instead = note: required for the cast from `Box<{integer}>` to `Box<dyn bar>` error: aborting due to 5 previous errors diff --git a/tests/ui/type/type-parameter-defaults-referencing-Self-ppaux.stderr b/tests/ui/type/type-parameter-defaults-referencing-Self-ppaux.stderr index 2d5bcf1fbc4..71717c6945e 100644 --- a/tests/ui/type/type-parameter-defaults-referencing-Self-ppaux.stderr +++ b/tests/ui/type/type-parameter-defaults-referencing-Self-ppaux.stderr @@ -10,21 +10,20 @@ help: consider using a box or reference as appropriate LL | let y = x as dyn MyAdd<i32>; | ^ -error[E0038]: the trait `MyAdd` cannot be made into an object +error[E0038]: the trait `MyAdd` is not dyn compatible --> $DIR/type-parameter-defaults-referencing-Self-ppaux.rs:14:18 | LL | let y = x as dyn MyAdd<i32>; - | ^^^^^^^^^^^^^^ `MyAdd` cannot be made into an object + | ^^^^^^^^^^^^^^ `MyAdd` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/type-parameter-defaults-referencing-Self-ppaux.rs:6:55 | LL | trait MyAdd<Rhs=Self> { fn add(&self, other: &Rhs) -> Self; } - | ----- ^^^^ ...because method `add` references the `Self` type in its return type - | | - | this trait cannot be made into an object... + | ----- this trait is not dyn compatible... ^^^^ ...because method `add` references the `Self` type in its return type = help: consider moving `add` to another trait - = help: only type `i32` implements the trait, consider using it directly instead + = help: only type `i32` implements `MyAdd`; consider using it directly instead. error: aborting due to 2 previous errors diff --git a/tests/ui/typeck/bad-index-due-to-nested.stderr b/tests/ui/typeck/bad-index-due-to-nested.current.stderr index dd2ce092368..dc3d998c399 100644 --- a/tests/ui/typeck/bad-index-due-to-nested.stderr +++ b/tests/ui/typeck/bad-index-due-to-nested.current.stderr @@ -1,11 +1,11 @@ error[E0277]: the trait bound `K: Hash` is not satisfied - --> $DIR/bad-index-due-to-nested.rs:20:5 + --> $DIR/bad-index-due-to-nested.rs:24:5 | LL | map[k] | ^^^ the trait `Hash` is not implemented for `K` | note: required for `HashMap<K, V>` to implement `Index<&K>` - --> $DIR/bad-index-due-to-nested.rs:7:12 + --> $DIR/bad-index-due-to-nested.rs:11:12 | LL | impl<K, V> Index<&K> for HashMap<K, V> | ^^^^^^^^^ ^^^^^^^^^^^^^ @@ -18,13 +18,13 @@ LL | fn index<'a, K: std::hash::Hash, V>(map: &'a HashMap<K, V>, k: K) -> &'a V | +++++++++++++++++ error[E0277]: the trait bound `V: Copy` is not satisfied - --> $DIR/bad-index-due-to-nested.rs:20:5 + --> $DIR/bad-index-due-to-nested.rs:24:5 | LL | map[k] | ^^^ the trait `Copy` is not implemented for `V` | note: required for `HashMap<K, V>` to implement `Index<&K>` - --> $DIR/bad-index-due-to-nested.rs:7:12 + --> $DIR/bad-index-due-to-nested.rs:11:12 | LL | impl<K, V> Index<&K> for HashMap<K, V> | ^^^^^^^^^ ^^^^^^^^^^^^^ @@ -37,7 +37,7 @@ LL | fn index<'a, K, V: std::marker::Copy>(map: &'a HashMap<K, V>, k: K) -> &'a | +++++++++++++++++++ error[E0308]: mismatched types - --> $DIR/bad-index-due-to-nested.rs:20:9 + --> $DIR/bad-index-due-to-nested.rs:24:9 | LL | fn index<'a, K, V>(map: &'a HashMap<K, V>, k: K) -> &'a V { | - found this type parameter @@ -52,7 +52,7 @@ LL | map[&k] | + error[E0308]: mismatched types - --> $DIR/bad-index-due-to-nested.rs:20:5 + --> $DIR/bad-index-due-to-nested.rs:24:5 | LL | fn index<'a, K, V>(map: &'a HashMap<K, V>, k: K) -> &'a V { | - found this type parameter ----- expected `&'a V` because of return type diff --git a/tests/ui/typeck/bad-index-due-to-nested.next.stderr b/tests/ui/typeck/bad-index-due-to-nested.next.stderr new file mode 100644 index 00000000000..a0b275b7852 --- /dev/null +++ b/tests/ui/typeck/bad-index-due-to-nested.next.stderr @@ -0,0 +1,76 @@ +error[E0277]: the trait bound `K: Hash` is not satisfied + --> $DIR/bad-index-due-to-nested.rs:24:5 + | +LL | map[k] + | ^^^ the trait `Hash` is not implemented for `K` + | +note: required for `HashMap<K, V>` to implement `Index<&K>` + --> $DIR/bad-index-due-to-nested.rs:11:12 + | +LL | impl<K, V> Index<&K> for HashMap<K, V> + | ^^^^^^^^^ ^^^^^^^^^^^^^ +LL | where +LL | K: Hash, + | ---- unsatisfied trait bound introduced here +help: consider restricting type parameter `K` with trait `Hash` + | +LL | fn index<'a, K: std::hash::Hash, V>(map: &'a HashMap<K, V>, k: K) -> &'a V { + | +++++++++++++++++ + +error[E0277]: the trait bound `V: Copy` is not satisfied + --> $DIR/bad-index-due-to-nested.rs:24:5 + | +LL | map[k] + | ^^^ the trait `Copy` is not implemented for `V` + | +note: required for `HashMap<K, V>` to implement `Index<&K>` + --> $DIR/bad-index-due-to-nested.rs:11:12 + | +LL | impl<K, V> Index<&K> for HashMap<K, V> + | ^^^^^^^^^ ^^^^^^^^^^^^^ +... +LL | V: Copy, + | ---- unsatisfied trait bound introduced here +help: consider restricting type parameter `V` with trait `Copy` + | +LL | fn index<'a, K, V: std::marker::Copy>(map: &'a HashMap<K, V>, k: K) -> &'a V { + | +++++++++++++++++++ + +error[E0308]: mismatched types + --> $DIR/bad-index-due-to-nested.rs:24:9 + | +LL | fn index<'a, K, V>(map: &'a HashMap<K, V>, k: K) -> &'a V { + | - found this type parameter +LL | map[k] + | ^ expected `&K`, found type parameter `K` + | + = note: expected reference `&_` + found type parameter `_` +help: consider borrowing here + | +LL | map[&k] + | + + +error[E0277]: the trait bound `K: Hash` is not satisfied + --> $DIR/bad-index-due-to-nested.rs:24:5 + | +LL | map[k] + | ^^^^^^ the trait `Hash` is not implemented for `K` + | +note: required for `HashMap<K, V>` to implement `Index<&K>` + --> $DIR/bad-index-due-to-nested.rs:11:12 + | +LL | impl<K, V> Index<&K> for HashMap<K, V> + | ^^^^^^^^^ ^^^^^^^^^^^^^ +LL | where +LL | K: Hash, + | ---- unsatisfied trait bound introduced here +help: consider restricting type parameter `K` with trait `Hash` + | +LL | fn index<'a, K: std::hash::Hash, V>(map: &'a HashMap<K, V>, k: K) -> &'a V { + | +++++++++++++++++ + +error: aborting due to 4 previous errors + +Some errors have detailed explanations: E0277, E0308. +For more information about an error, try `rustc --explain E0277`. diff --git a/tests/ui/typeck/bad-index-due-to-nested.rs b/tests/ui/typeck/bad-index-due-to-nested.rs index 2564b530004..e7f385865af 100644 --- a/tests/ui/typeck/bad-index-due-to-nested.rs +++ b/tests/ui/typeck/bad-index-due-to-nested.rs @@ -1,3 +1,7 @@ +//@ revisions: current next +//@[next] compile-flags: -Znext-solver +//@ ignore-compare-mode-next-solver (explicit revisions) + use std::hash::Hash; use std::marker::PhantomData; use std::ops::Index; @@ -21,7 +25,8 @@ fn index<'a, K, V>(map: &'a HashMap<K, V>, k: K) -> &'a V { //~^ ERROR the trait bound `K: Hash` is not satisfied //~| ERROR the trait bound `V: Copy` is not satisfied //~| ERROR mismatched types - //~| ERROR mismatched types + //[current]~| ERROR mismatched types + //[next]~^^^^^ ERROR the trait bound `K: Hash` is not satisfied } fn main() {} diff --git a/tests/ui/union/union-derive-eq.stderr b/tests/ui/union/union-derive-eq.current.stderr index b068edd6d69..151ceebe1ba 100644 --- a/tests/ui/union/union-derive-eq.stderr +++ b/tests/ui/union/union-derive-eq.current.stderr @@ -1,5 +1,5 @@ error[E0277]: the trait bound `PartialEqNotEq: Eq` is not satisfied - --> $DIR/union-derive-eq.rs:13:5 + --> $DIR/union-derive-eq.rs:21:5 | LL | #[derive(Eq)] | -- in this derive macro expansion diff --git a/tests/ui/union/union-derive-eq.next.stderr b/tests/ui/union/union-derive-eq.next.stderr new file mode 100644 index 00000000000..3952b1f1284 --- /dev/null +++ b/tests/ui/union/union-derive-eq.next.stderr @@ -0,0 +1,19 @@ +error[E0277]: the trait bound `PartialEqNotEq: Eq` is not satisfied + --> $DIR/union-derive-eq.rs:21:5 + | +LL | #[derive(Eq)] + | -- in this derive macro expansion +LL | union U2 { +LL | a: PartialEqNotEq, + | ^^^^^^^^^^^^^^^^^ the trait `Eq` is not implemented for `PartialEqNotEq` + | + = note: this error originates in the derive macro `Eq` (in Nightly builds, run with -Z macro-backtrace for more info) +help: consider annotating `PartialEqNotEq` with `#[derive(Eq)]` + | +LL + #[derive(Eq)] +LL | struct PartialEqNotEq; + | + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/union/union-derive-eq.rs b/tests/ui/union/union-derive-eq.rs index e689f8c27d7..085262a72a1 100644 --- a/tests/ui/union/union-derive-eq.rs +++ b/tests/ui/union/union-derive-eq.rs @@ -1,9 +1,17 @@ +//@ revisions: current next +//@[next] compile-flags: -Znext-solver +//@ ignore-compare-mode-next-solver (explicit revisions) + #[derive(Eq)] // OK union U1 { a: u8, } -impl PartialEq for U1 { fn eq(&self, rhs: &Self) -> bool { true } } +impl PartialEq for U1 { + fn eq(&self, rhs: &Self) -> bool { + true + } +} #[derive(PartialEq, Copy, Clone)] struct PartialEqNotEq; @@ -13,6 +21,10 @@ union U2 { a: PartialEqNotEq, //~ ERROR the trait bound `PartialEqNotEq: Eq` is not satisfied } -impl PartialEq for U2 { fn eq(&self, rhs: &Self) -> bool { true } } +impl PartialEq for U2 { + fn eq(&self, rhs: &Self) -> bool { + true + } +} fn main() {} diff --git a/tests/ui/unpretty/staged-api-invalid-path-108697.stderr b/tests/ui/unpretty/staged-api-invalid-path-108697.stderr index 9c6d1a042d7..e68e19c4dc9 100644 --- a/tests/ui/unpretty/staged-api-invalid-path-108697.stderr +++ b/tests/ui/unpretty/staged-api-invalid-path-108697.stderr @@ -1,4 +1,4 @@ -error: couldn't read $DIR/lol: No such file or directory (os error 2) +error: couldn't read `$DIR/lol`: No such file or directory (os error 2) --> $DIR/staged-api-invalid-path-108697.rs:8:1 | LL | mod foo; diff --git a/tests/ui/wf/issue-87495.rs b/tests/ui/wf/issue-87495.rs index 5aab7431134..ce5c617bbbd 100644 --- a/tests/ui/wf/issue-87495.rs +++ b/tests/ui/wf/issue-87495.rs @@ -2,7 +2,7 @@ trait T { const CONST: (bool, dyn T); - //~^ ERROR: the trait `T` cannot be made into an object [E0038] + //~^ ERROR: the trait `T` is not dyn compatible [E0038] } fn main() {} diff --git a/tests/ui/wf/issue-87495.stderr b/tests/ui/wf/issue-87495.stderr index 5973fff3e00..7be327e61d1 100644 --- a/tests/ui/wf/issue-87495.stderr +++ b/tests/ui/wf/issue-87495.stderr @@ -1,14 +1,15 @@ -error[E0038]: the trait `T` cannot be made into an object +error[E0038]: the trait `T` is not dyn compatible --> $DIR/issue-87495.rs:4:25 | LL | const CONST: (bool, dyn T); - | ^^^^^ `T` cannot be made into an object + | ^^^^^ `T` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/issue-87495.rs:4:11 | LL | trait T { - | - this trait cannot be made into an object... + | - this trait is not dyn compatible... LL | const CONST: (bool, dyn T); | ^^^^^ ...because it contains this associated `const` = help: consider moving `CONST` to another trait diff --git a/tests/ui/wf/wf-convert-dyn-incompat-trait-obj-box.stderr b/tests/ui/wf/wf-convert-dyn-incompat-trait-obj-box.stderr index 38426545bc8..0b7f4cd4362 100644 --- a/tests/ui/wf/wf-convert-dyn-incompat-trait-obj-box.stderr +++ b/tests/ui/wf/wf-convert-dyn-incompat-trait-obj-box.stderr @@ -1,49 +1,52 @@ -error[E0038]: the trait `Trait` cannot be made into an object +error[E0038]: the trait `Trait` is not dyn compatible --> $DIR/wf-convert-dyn-incompat-trait-obj-box.rs:16:33 | LL | let t_box: Box<dyn Trait> = Box::new(S); - | ^^^^^^^^^^^ `Trait` cannot be made into an object + | ^^^^^^^^^^^ `Trait` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/wf-convert-dyn-incompat-trait-obj-box.rs:6:14 | LL | trait Trait: Sized {} | ----- ^^^^^ ...because it requires `Self: Sized` | | - | this trait cannot be made into an object... - = help: only type `S` implements the trait, consider using it directly instead + | this trait is not dyn compatible... + = help: only type `S` implements `Trait`; consider using it directly instead. = note: required for the cast from `Box<S>` to `Box<dyn Trait>` -error[E0038]: the trait `Trait` cannot be made into an object +error[E0038]: the trait `Trait` is not dyn compatible --> $DIR/wf-convert-dyn-incompat-trait-obj-box.rs:17:15 | LL | takes_box(Box::new(S)); - | ^^^^^^^^^^^ `Trait` cannot be made into an object + | ^^^^^^^^^^^ `Trait` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/wf-convert-dyn-incompat-trait-obj-box.rs:6:14 | LL | trait Trait: Sized {} | ----- ^^^^^ ...because it requires `Self: Sized` | | - | this trait cannot be made into an object... - = help: only type `S` implements the trait, consider using it directly instead + | this trait is not dyn compatible... + = help: only type `S` implements `Trait`; consider using it directly instead. = note: required for the cast from `Box<S>` to `Box<(dyn Trait + 'static)>` -error[E0038]: the trait `Trait` cannot be made into an object +error[E0038]: the trait `Trait` is not dyn compatible --> $DIR/wf-convert-dyn-incompat-trait-obj-box.rs:15:5 | LL | Box::new(S) as Box<dyn Trait>; - | ^^^^^^^^^^^ `Trait` cannot be made into an object + | ^^^^^^^^^^^ `Trait` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/wf-convert-dyn-incompat-trait-obj-box.rs:6:14 | LL | trait Trait: Sized {} | ----- ^^^^^ ...because it requires `Self: Sized` | | - | this trait cannot be made into an object... - = help: only type `S` implements the trait, consider using it directly instead + | this trait is not dyn compatible... + = help: only type `S` implements `Trait`; consider using it directly instead. = note: required for the cast from `Box<S>` to `Box<dyn Trait>` error: aborting due to 3 previous errors diff --git a/tests/ui/wf/wf-convert-dyn-incompat-trait-obj.stderr b/tests/ui/wf/wf-convert-dyn-incompat-trait-obj.stderr index 94259aa5b0a..3f50e1192cf 100644 --- a/tests/ui/wf/wf-convert-dyn-incompat-trait-obj.stderr +++ b/tests/ui/wf/wf-convert-dyn-incompat-trait-obj.stderr @@ -1,49 +1,52 @@ -error[E0038]: the trait `Trait` cannot be made into an object +error[E0038]: the trait `Trait` is not dyn compatible --> $DIR/wf-convert-dyn-incompat-trait-obj.rs:16:25 | LL | let t: &dyn Trait = &S; - | ^^ `Trait` cannot be made into an object + | ^^ `Trait` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/wf-convert-dyn-incompat-trait-obj.rs:6:14 | LL | trait Trait: Sized {} | ----- ^^^^^ ...because it requires `Self: Sized` | | - | this trait cannot be made into an object... - = help: only type `S` implements the trait, consider using it directly instead + | this trait is not dyn compatible... + = help: only type `S` implements `Trait`; consider using it directly instead. = note: required for the cast from `&S` to `&dyn Trait` -error[E0038]: the trait `Trait` cannot be made into an object +error[E0038]: the trait `Trait` is not dyn compatible --> $DIR/wf-convert-dyn-incompat-trait-obj.rs:17:17 | LL | takes_trait(&S); - | ^^ `Trait` cannot be made into an object + | ^^ `Trait` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/wf-convert-dyn-incompat-trait-obj.rs:6:14 | LL | trait Trait: Sized {} | ----- ^^^^^ ...because it requires `Self: Sized` | | - | this trait cannot be made into an object... - = help: only type `S` implements the trait, consider using it directly instead + | this trait is not dyn compatible... + = help: only type `S` implements `Trait`; consider using it directly instead. = note: required for the cast from `&S` to `&dyn Trait` -error[E0038]: the trait `Trait` cannot be made into an object +error[E0038]: the trait `Trait` is not dyn compatible --> $DIR/wf-convert-dyn-incompat-trait-obj.rs:15:5 | LL | &S as &dyn Trait; - | ^^ `Trait` cannot be made into an object + | ^^ `Trait` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/wf-convert-dyn-incompat-trait-obj.rs:6:14 | LL | trait Trait: Sized {} | ----- ^^^^^ ...because it requires `Self: Sized` | | - | this trait cannot be made into an object... - = help: only type `S` implements the trait, consider using it directly instead + | this trait is not dyn compatible... + = help: only type `S` implements `Trait`; consider using it directly instead. = note: required for the cast from `&S` to `&dyn Trait` error: aborting due to 3 previous errors diff --git a/tests/ui/wf/wf-dyn-incompat-trait-obj-match.stderr b/tests/ui/wf/wf-dyn-incompat-trait-obj-match.stderr index 6cd4ebf8412..8f68f9c5b6b 100644 --- a/tests/ui/wf/wf-dyn-incompat-trait-obj-match.stderr +++ b/tests/ui/wf/wf-dyn-incompat-trait-obj-match.stderr @@ -12,40 +12,46 @@ LL | | } = note: expected reference `&S` found reference `&R` -error[E0038]: the trait `Trait` cannot be made into an object +error[E0038]: the trait `Trait` is not dyn compatible --> $DIR/wf-dyn-incompat-trait-obj-match.rs:26:21 | LL | Some(()) => &S, - | ^^ `Trait` cannot be made into an object + | ^^ `Trait` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/wf-dyn-incompat-trait-obj-match.rs:6:14 | LL | trait Trait: Sized {} | ----- ^^^^^ ...because it requires `Self: Sized` | | - | this trait cannot be made into an object... - = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `Trait` for this new enum and using it instead: + | this trait is not dyn compatible... + = help: the following types implement `Trait`: S R + consider defining an enum where each variant holds one of these types, + implementing `Trait` for this new enum and using it instead = note: required for the cast from `&S` to `&dyn Trait` -error[E0038]: the trait `Trait` cannot be made into an object +error[E0038]: the trait `Trait` is not dyn compatible --> $DIR/wf-dyn-incompat-trait-obj-match.rs:27:17 | LL | None => &R, - | ^^ `Trait` cannot be made into an object + | ^^ `Trait` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/wf-dyn-incompat-trait-obj-match.rs:6:14 | LL | trait Trait: Sized {} | ----- ^^^^^ ...because it requires `Self: Sized` | | - | this trait cannot be made into an object... - = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `Trait` for this new enum and using it instead: + | this trait is not dyn compatible... + = help: the following types implement `Trait`: S R + consider defining an enum where each variant holds one of these types, + implementing `Trait` for this new enum and using it instead = note: required for the cast from `&R` to `&dyn Trait` error: aborting due to 3 previous errors diff --git a/tests/ui/wf/wf-dyn-incompatible.stderr b/tests/ui/wf/wf-dyn-incompatible.stderr index cf016b63c74..1803376aaa1 100644 --- a/tests/ui/wf/wf-dyn-incompatible.stderr +++ b/tests/ui/wf/wf-dyn-incompatible.stderr @@ -1,14 +1,15 @@ -error[E0038]: the trait `A` cannot be made into an object +error[E0038]: the trait `A` is not dyn compatible --> $DIR/wf-dyn-incompatible.rs:9:13 | LL | let _x: &dyn A; - | ^^^^^^ `A` cannot be made into an object + | ^^^^^^ `A` is not dyn compatible | -note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> --> $DIR/wf-dyn-incompatible.rs:5:23 | LL | trait A { - | - this trait cannot be made into an object... + | - this trait is not dyn compatible... LL | fn foo(&self, _x: &Self); | ^^^^^ ...because method `foo` references the `Self` type in this parameter = help: consider moving `foo` to another trait diff --git a/tests/ui/wf/wf-fn-where-clause.stderr b/tests/ui/wf/wf-fn-where-clause.stderr index 76671dedabf..d73376e9861 100644 --- a/tests/ui/wf/wf-fn-where-clause.stderr +++ b/tests/ui/wf/wf-fn-where-clause.stderr @@ -14,14 +14,15 @@ help: consider further restricting type parameter `U` with trait `Copy` LL | fn foo<T,U>() where T: ExtraCopy<U>, U: std::marker::Copy | ++++++++++++++++++++++ -error[E0038]: the trait `Copy` cannot be made into an object +error[E0038]: the trait `Copy` is not dyn compatible --> $DIR/wf-fn-where-clause.rs:12:16 | LL | fn bar() where Vec<dyn Copy>:, {} - | ^^^^^^^^^^^^^ `Copy` cannot be made into an object + | ^^^^^^^^^^^^^ `Copy` is not dyn compatible | - = note: the trait cannot be made into an object because it requires `Self: Sized` - = note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + = note: the trait is not dyn compatible because it requires `Self: Sized` + = note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> error[E0277]: the size for values of type `(dyn Copy + 'static)` cannot be known at compilation time --> $DIR/wf-fn-where-clause.rs:12:16 diff --git a/tests/ui/wf/wf-trait-fn-arg.stderr b/tests/ui/wf/wf-trait-fn-arg.current.stderr index 8b35f36fa68..d5dd36fad6d 100644 --- a/tests/ui/wf/wf-trait-fn-arg.stderr +++ b/tests/ui/wf/wf-trait-fn-arg.current.stderr @@ -1,14 +1,14 @@ error[E0277]: the trait bound `Self: Eq` is not satisfied - --> $DIR/wf-trait-fn-arg.rs:10:23 + --> $DIR/wf-trait-fn-arg.rs:16:23 | LL | fn bar(&self, x: &Bar<Self>); | ^^^^^^^^^ the trait `Eq` is not implemented for `Self` | note: required by a bound in `Bar` - --> $DIR/wf-trait-fn-arg.rs:7:14 + --> $DIR/wf-trait-fn-arg.rs:11:15 | -LL | struct Bar<T:Eq+?Sized> { value: Box<T> } - | ^^ required by this bound in `Bar` +LL | struct Bar<T: Eq + ?Sized> { + | ^^ required by this bound in `Bar` help: consider further restricting `Self` | LL | fn bar(&self, x: &Bar<Self>) where Self: Eq; diff --git a/tests/ui/wf/wf-trait-fn-arg.next.stderr b/tests/ui/wf/wf-trait-fn-arg.next.stderr new file mode 100644 index 00000000000..c55dc5c8a12 --- /dev/null +++ b/tests/ui/wf/wf-trait-fn-arg.next.stderr @@ -0,0 +1,14 @@ +error[E0277]: the trait bound `Self: Eq` is not satisfied + --> $DIR/wf-trait-fn-arg.rs:16:23 + | +LL | fn bar(&self, x: &Bar<Self>); + | ^^^^^^^^^ the trait `Eq` is not implemented for `Self` + | +help: consider further restricting `Self` + | +LL | fn bar(&self, x: &Bar<Self>) where Self: Eq; + | ++++++++++++++ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/wf/wf-trait-fn-arg.rs b/tests/ui/wf/wf-trait-fn-arg.rs index 0445699427e..13a5b32828d 100644 --- a/tests/ui/wf/wf-trait-fn-arg.rs +++ b/tests/ui/wf/wf-trait-fn-arg.rs @@ -1,16 +1,22 @@ +//@ revisions: current next +//@[next] compile-flags: -Znext-solver +//@ ignore-compare-mode-next-solver (explicit revisions) + // Check that we test WF conditions for fn arguments in a trait definition. #![feature(rustc_attrs)] #![allow(dead_code)] #![allow(unused_variables)] -struct Bar<T:Eq+?Sized> { value: Box<T> } +struct Bar<T: Eq + ?Sized> { + value: Box<T>, +} trait Foo { fn bar(&self, x: &Bar<Self>); - //~^ ERROR E0277 - // - // Here, Eq ought to be implemented. + //~^ ERROR E0277 + // + // Here, Eq ought to be implemented. } -fn main() { } +fn main() {} diff --git a/tests/ui/wf/wf-trait-fn-ret.stderr b/tests/ui/wf/wf-trait-fn-ret.current.stderr index 3d70f04def2..0ad786c2fd5 100644 --- a/tests/ui/wf/wf-trait-fn-ret.stderr +++ b/tests/ui/wf/wf-trait-fn-ret.current.stderr @@ -1,14 +1,14 @@ error[E0277]: the trait bound `Self: Eq` is not satisfied - --> $DIR/wf-trait-fn-ret.rs:10:23 + --> $DIR/wf-trait-fn-ret.rs:15:23 | LL | fn bar(&self) -> &Bar<Self>; | ^^^^^^^^^ the trait `Eq` is not implemented for `Self` | note: required by a bound in `Bar` - --> $DIR/wf-trait-fn-ret.rs:7:14 + --> $DIR/wf-trait-fn-ret.rs:10:15 | -LL | struct Bar<T:Eq+?Sized> { value: Box<T> } - | ^^ required by this bound in `Bar` +LL | struct Bar<T: Eq + ?Sized> { + | ^^ required by this bound in `Bar` help: consider further restricting `Self` | LL | fn bar(&self) -> &Bar<Self> where Self: Eq; diff --git a/tests/ui/wf/wf-trait-fn-ret.next.stderr b/tests/ui/wf/wf-trait-fn-ret.next.stderr new file mode 100644 index 00000000000..b3dca17672d --- /dev/null +++ b/tests/ui/wf/wf-trait-fn-ret.next.stderr @@ -0,0 +1,14 @@ +error[E0277]: the trait bound `Self: Eq` is not satisfied + --> $DIR/wf-trait-fn-ret.rs:15:23 + | +LL | fn bar(&self) -> &Bar<Self>; + | ^^^^^^^^^ the trait `Eq` is not implemented for `Self` + | +help: consider further restricting `Self` + | +LL | fn bar(&self) -> &Bar<Self> where Self: Eq; + | ++++++++++++++ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/wf/wf-trait-fn-ret.rs b/tests/ui/wf/wf-trait-fn-ret.rs index f49e4308770..c00f6dd10af 100644 --- a/tests/ui/wf/wf-trait-fn-ret.rs +++ b/tests/ui/wf/wf-trait-fn-ret.rs @@ -1,16 +1,21 @@ +//@ revisions: current next +//@[next] compile-flags: -Znext-solver +//@ ignore-compare-mode-next-solver (explicit revisions) // Check that we test WF conditions for fn return types in a trait definition. #![feature(rustc_attrs)] #![allow(dead_code)] #![allow(unused_variables)] -struct Bar<T:Eq+?Sized> { value: Box<T> } +struct Bar<T: Eq + ?Sized> { + value: Box<T>, +} trait Foo { fn bar(&self) -> &Bar<Self>; - //~^ ERROR E0277 - // - // Here, Eq ought to be implemented. + //~^ ERROR E0277 + // + // Here, Eq ought to be implemented. } -fn main() { } +fn main() {} diff --git a/tests/ui/wf/wf-trait-fn-where-clause.current.stderr b/tests/ui/wf/wf-trait-fn-where-clause.current.stderr new file mode 100644 index 00000000000..db5454d0f3c --- /dev/null +++ b/tests/ui/wf/wf-trait-fn-where-clause.current.stderr @@ -0,0 +1,19 @@ +error[E0277]: the trait bound `Self: Eq` is not satisfied + --> $DIR/wf-trait-fn-where-clause.rs:18:20 + | +LL | Bar<Self>: Copy; + | ^^^^ the trait `Eq` is not implemented for `Self` + | +note: required by a bound in `Bar` + --> $DIR/wf-trait-fn-where-clause.rs:10:15 + | +LL | struct Bar<T: Eq + ?Sized> { + | ^^ required by this bound in `Bar` +help: consider further restricting `Self` + | +LL | Bar<Self>: Copy, Self: Eq; + | ++++++++++ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/wf/wf-trait-fn-where-clause.next.stderr b/tests/ui/wf/wf-trait-fn-where-clause.next.stderr new file mode 100644 index 00000000000..8c8a5fa3e70 --- /dev/null +++ b/tests/ui/wf/wf-trait-fn-where-clause.next.stderr @@ -0,0 +1,14 @@ +error[E0277]: the trait bound `Self: Eq` is not satisfied + --> $DIR/wf-trait-fn-where-clause.rs:18:20 + | +LL | Bar<Self>: Copy; + | ^^^^ the trait `Eq` is not implemented for `Self` + | +help: consider further restricting `Self` + | +LL | Bar<Self>: Copy, Self: Eq; + | ++++++++++ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/wf/wf-trait-fn-where-clause.rs b/tests/ui/wf/wf-trait-fn-where-clause.rs index 1d2427ff981..9e36682e449 100644 --- a/tests/ui/wf/wf-trait-fn-where-clause.rs +++ b/tests/ui/wf/wf-trait-fn-where-clause.rs @@ -1,17 +1,24 @@ -// Check that we test WF conditions for fn where clauses in a trait definition. +//@ revisions: current next +//@[next] compile-flags: -Znext-solver +//@ ignore-compare-mode-next-solver (explicit revisions) +// Check that we test WF conditions for fn where clauses in a trait definition. #![allow(dead_code)] #![allow(unused_variables)] -struct Bar<T:Eq+?Sized> { value: Box<T> } +struct Bar<T: Eq + ?Sized> { + value: Box<T>, +} trait Foo { - fn bar(&self) where Self: Sized, Bar<Self>: Copy; - //~^ ERROR E0277 - // - // Here, Eq ought to be implemented. + fn bar(&self) + where + Self: Sized, + Bar<Self>: Copy; + //~^ ERROR E0277 + // + // Here, Eq ought to be implemented. } - -fn main() { } +fn main() {} diff --git a/tests/ui/wf/wf-trait-fn-where-clause.stderr b/tests/ui/wf/wf-trait-fn-where-clause.stderr deleted file mode 100644 index 0ad3b58e7c7..00000000000 --- a/tests/ui/wf/wf-trait-fn-where-clause.stderr +++ /dev/null @@ -1,19 +0,0 @@ -error[E0277]: the trait bound `Self: Eq` is not satisfied - --> $DIR/wf-trait-fn-where-clause.rs:10:49 - | -LL | fn bar(&self) where Self: Sized, Bar<Self>: Copy; - | ^^^^ the trait `Eq` is not implemented for `Self` - | -note: required by a bound in `Bar` - --> $DIR/wf-trait-fn-where-clause.rs:7:14 - | -LL | struct Bar<T:Eq+?Sized> { value: Box<T> } - | ^^ required by this bound in `Bar` -help: consider further restricting `Self` - | -LL | fn bar(&self) where Self: Sized, Bar<Self>: Copy, Self: Eq; - | ++++++++++ - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/where-clauses/where-clauses-method-unsatisfied.stderr b/tests/ui/where-clauses/where-clauses-method-unsatisfied.current.stderr index 840df342ef9..d1de813a2d9 100644 --- a/tests/ui/where-clauses/where-clauses-method-unsatisfied.stderr +++ b/tests/ui/where-clauses/where-clauses-method-unsatisfied.current.stderr @@ -1,14 +1,17 @@ error[E0277]: the trait bound `Bar: Eq` is not satisfied - --> $DIR/where-clauses-method-unsatisfied.rs:18:7 + --> $DIR/where-clauses-method-unsatisfied.rs:24:7 | LL | x.equals(&x); | ^^^^^^ the trait `Eq` is not implemented for `Bar` | note: required by a bound in `Foo::<T>::equals` - --> $DIR/where-clauses-method-unsatisfied.rs:11:52 + --> $DIR/where-clauses-method-unsatisfied.rs:16:12 | -LL | fn equals(&self, u: &Foo<T>) -> bool where T : Eq { - | ^^ required by this bound in `Foo::<T>::equals` +LL | fn equals(&self, u: &Foo<T>) -> bool + | ------ required by a bound in this associated function +LL | where +LL | T: Eq, + | ^^ required by this bound in `Foo::<T>::equals` help: consider annotating `Bar` with `#[derive(Eq)]` | LL + #[derive(Eq)] diff --git a/tests/ui/where-clauses/where-clauses-method-unsatisfied.next.stderr b/tests/ui/where-clauses/where-clauses-method-unsatisfied.next.stderr new file mode 100644 index 00000000000..d1de813a2d9 --- /dev/null +++ b/tests/ui/where-clauses/where-clauses-method-unsatisfied.next.stderr @@ -0,0 +1,23 @@ +error[E0277]: the trait bound `Bar: Eq` is not satisfied + --> $DIR/where-clauses-method-unsatisfied.rs:24:7 + | +LL | x.equals(&x); + | ^^^^^^ the trait `Eq` is not implemented for `Bar` + | +note: required by a bound in `Foo::<T>::equals` + --> $DIR/where-clauses-method-unsatisfied.rs:16:12 + | +LL | fn equals(&self, u: &Foo<T>) -> bool + | ------ required by a bound in this associated function +LL | where +LL | T: Eq, + | ^^ required by this bound in `Foo::<T>::equals` +help: consider annotating `Bar` with `#[derive(Eq)]` + | +LL + #[derive(Eq)] +LL | struct Bar; // does not implement Eq + | + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/where-clauses/where-clauses-method-unsatisfied.rs b/tests/ui/where-clauses/where-clauses-method-unsatisfied.rs index a8ae0296407..34e9d9b57d1 100644 --- a/tests/ui/where-clauses/where-clauses-method-unsatisfied.rs +++ b/tests/ui/where-clauses/where-clauses-method-unsatisfied.rs @@ -1,14 +1,20 @@ +//@ revisions: current next +//@[next] compile-flags: -Znext-solver +//@ ignore-compare-mode-next-solver (explicit revisions) // Test that a where clause attached to a method allows us to add // additional constraints to a parameter out of scope. struct Foo<T> { - value: T + value: T, } struct Bar; // does not implement Eq impl<T> Foo<T> { - fn equals(&self, u: &Foo<T>) -> bool where T : Eq { + fn equals(&self, u: &Foo<T>) -> bool + where + T: Eq, + { self.value == u.value } } diff --git a/tests/ui/where-clauses/where-clauses-unsatisfied.stderr b/tests/ui/where-clauses/where-clauses-unsatisfied.current.stderr index 205b82d49bf..485b9459ddd 100644 --- a/tests/ui/where-clauses/where-clauses-unsatisfied.stderr +++ b/tests/ui/where-clauses/where-clauses-unsatisfied.current.stderr @@ -1,14 +1,17 @@ error[E0277]: the trait bound `Struct: Eq` is not satisfied - --> $DIR/where-clauses-unsatisfied.rs:6:10 + --> $DIR/where-clauses-unsatisfied.rs:15:10 | LL | drop(equal(&Struct, &Struct)) | ^^^^^ the trait `Eq` is not implemented for `Struct` | note: required by a bound in `equal` - --> $DIR/where-clauses-unsatisfied.rs:1:45 + --> $DIR/where-clauses-unsatisfied.rs:7:8 | -LL | fn equal<T>(a: &T, b: &T) -> bool where T : Eq { a == b } - | ^^ required by this bound in `equal` +LL | fn equal<T>(a: &T, b: &T) -> bool + | ----- required by a bound in this function +LL | where +LL | T: Eq, + | ^^ required by this bound in `equal` help: consider annotating `Struct` with `#[derive(Eq)]` | LL + #[derive(Eq)] diff --git a/tests/ui/where-clauses/where-clauses-unsatisfied.next.stderr b/tests/ui/where-clauses/where-clauses-unsatisfied.next.stderr new file mode 100644 index 00000000000..485b9459ddd --- /dev/null +++ b/tests/ui/where-clauses/where-clauses-unsatisfied.next.stderr @@ -0,0 +1,23 @@ +error[E0277]: the trait bound `Struct: Eq` is not satisfied + --> $DIR/where-clauses-unsatisfied.rs:15:10 + | +LL | drop(equal(&Struct, &Struct)) + | ^^^^^ the trait `Eq` is not implemented for `Struct` + | +note: required by a bound in `equal` + --> $DIR/where-clauses-unsatisfied.rs:7:8 + | +LL | fn equal<T>(a: &T, b: &T) -> bool + | ----- required by a bound in this function +LL | where +LL | T: Eq, + | ^^ required by this bound in `equal` +help: consider annotating `Struct` with `#[derive(Eq)]` + | +LL + #[derive(Eq)] +LL | struct Struct; + | + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/where-clauses/where-clauses-unsatisfied.rs b/tests/ui/where-clauses/where-clauses-unsatisfied.rs index 8b067d30a2a..48798e2a15d 100644 --- a/tests/ui/where-clauses/where-clauses-unsatisfied.rs +++ b/tests/ui/where-clauses/where-clauses-unsatisfied.rs @@ -1,4 +1,13 @@ -fn equal<T>(a: &T, b: &T) -> bool where T : Eq { a == b } +//@ revisions: current next +//@[next] compile-flags: -Znext-solver +//@ ignore-compare-mode-next-solver (explicit revisions) + +fn equal<T>(a: &T, b: &T) -> bool +where + T: Eq, +{ + a == b +} struct Struct; |