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Toolchain upgrade to nightly-2026-10-22 - #1847
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`hir::Body::value` is now an inline `Expr` instead of a `&Expr`; borrow it when visiting the body. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_011bViu84sVjSqcUXB6S8fn3
rustc now predefines `invariant` as a symbol, which clashes with Flux's extra symbol list and makes the driver panic at startup. Reuse rustc's `sym::invariant` for `kw::Invariant` instead. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01MwzTBgmEENMSxfmND2bT1M
`hir::GenericParamKind::Const` gained an `arg_pos` field; ignore it when lifting generic params. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01MwzTBgmEENMSxfmND2bT1M
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@nilehmann, the verify-rust-std sync to nightly-2026-10-22 (model-checking/verify-rust-std#737) is waiting on this. With the current Flux pin (nightly-2026-10-11), I tried building this PR's head ( Happy to run it against verify-rust-std's |
The new nightly requires hash-map keys in encoded data to implement `rustc_serialize::ContextOrd`, and changes the hygiene encoding API. - Implement `ContextOrd` for the key types used in flux metadata (`FluxId`, `NodeKey`, `SourceFileIndex`). Flux's encoder doesn't set `DETERMINISTIC_HASH_MAP_ENCODE`, so the default (unused) comparator is fine. - Wrap `DefIndex` and the expansion key tuple in local newtypes (`DefIndexKey`, `ExpnKey`) so we can implement `ContextOrd`. - Encode syntax contexts by their raw id and enqueue them with `enqueue_syntax_context_for_encoding`, mirroring rustc's on-disk cache. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01ATU2skhBTwjR9AwSUooMa4
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@feliperodri, I fixed the build and merged the PR. |
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Flux 6769bb9 targets nightly-2026-10-11 and cannot compile the 10-22 core (unknown #[rustc_assert_variance], borrowck ICE). Flux main 1b04d5e includes the 10-22 toolchain upgrade (flux-rs/flux#1847). Upstream renamed core::bstr to core::byte_str, so the include pattern src/bstr/*.rs matched nothing and Flux silently stopped checking those 118 functions (367 checked instead of 485). Point it at src/byte_str/*.rs. Local run: 485 checked, 35 constraints solved; the checked set equals main's after the rename.
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This is an automated PR to update the Rust toolchain to nightly-2026-10-22
Update failed when going from nightly-2026-10-21 to nightly-2026-10-22.
The failed automated run can be found here.
Please review the changes from rust-lang/rust@19833af up to rust-lang/rust@1a2c479
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#[default]fornewtype_index!rust-lang/rust#164696RegionandPartitioningStrategyrust-lang/rust#158076PartialOrdchaining methods rust-lang/rust#164684PartialOrdchaining methodsrecursion_limitbuilt-in attribute rust-lang/rust#162369AsMut<T>andAsRef<T>for!. rust-lang/rust#161253vec_visualizerlldb test rust-lang/rust#164457rustc_builtin_macroscleanup, part 8 rust-lang/rust#163485#[inline(always)] + #[target_feature(enable = "....")]#2 rust-lang/rust#162460#[default]fornewtype_index!chroot, including an example and a manpage link rust-lang/rust#163180abort_immediaterust-lang/rust#163575rustls-webpkito 0.103.16 andwebpki-rootsto 1.0.10 rust-lang/rust#164672rustls-webpkito 0.103.16 andwebpki-rootsto 1.0.10AsMut<T>andAsRef<T>for!.--allow-noopfor now rust-lang/rust#164646slice_split_oncerust-lang/rust#164641deprecatedattribute on modules rust-lang/rust#164594fXX::is_nanfor unsuffixed NaN comparisons rust-lang/rust#164264!does bitwise and logical negation rust-lang/rust#162668sym::anonrust-lang/rust#148842is_powerpc64_feature_detectedintois_powerpc_feature_detectedrust-lang/rust#164612Skip::advance_by(0)rust-lang/rust#164488usizeandisizeas typedefs rust-lang/rust#163104RUSTC_BOOTSTRAP=-allow-unstable-compiler-flagsmode for testing stable compiler behavior in UI tests rust-lang/rust#163664