Rustc pull update#2912
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c-variadic: initialize the copied `VaList` in const-eval Properly initialize the result of `VaList::clone` in `rustc_const_eval`. r? RalfJung cc @theemathas
rustc-dev-guide subtree update Subtree update of `rustc-dev-guide` to 15388a6. Created using https://github.com/rust-lang/josh-sync. r? @ghost
…uwer Rollup of 3 pull requests Successful merges: - rust-lang/rust#158137 (Only copy visible content in clipboard in source code pages) - rust-lang/rust#158141 ([AArch64] FEAT_SVE implies FEAT_FP16) - rust-lang/rust#158177 (rustc-dev-guide subtree update)
Reorganize `tests/ui/issues` [12/N] Part of [GSoC'26 project](https://rust-lang.zulipchat.com/#narrow/channel/421156-gsoc/topic/Project.3A.20Reorganizing.20tests.2Fui.2Fissues) r? Kivooeo @Teapot4195
Reorganize `tests/ui/issues` [11/N] Part of [GSoC'26 project](https://rust-lang.zulipchat.com/#narrow/channel/421156-gsoc/topic/Project.3A.20Reorganizing.20tests.2Fui.2Fissues) r? Kivooeo @Teapot4195
GVN: Don't assume nested shared references are read-only. Fixes rust-lang/rust#155884. rust-lang/rust#150485 only checks the type, whether it is a reference, which is not enough. The PR extends to other types. cc @RalfJung @saethlin r? @cjgillot
Lint cleanups Details in individual commits. r? @GuillaumeGomez
remove AliasTy::def_id() this is part of rust-lang/rust#156181 as well as part of rust-lang/rust#152245 this immediately uses [the recently-introduced `Alias<>` type](rust-lang/rust#156538) to narrow the kinds of aliases allowed in various places in code fyi @lcnr r? @BoxyUwU
As `*CombinedLateLintModPass`, because that matches things like `late_lint_mod`.
More lint cleanups Details in individual commits. r? Urgau
Add missing links in integer docs Saw some missing links while browsing the docs so fixed that.
…gnments-147648, r=adwinwhite Add proc macro for unused assignments and corresponding test rust-lang/rust#147648 now is fixed by change rust-lang/rust#151556 Add a test case and close the issue Fixes rust-lang/rust#147648
…nter-deref, r=mu001999 Add regression test for unexpected pointer dereference issue I try to pick up rust-lang/rust#154568 and found it's fixed by rust-lang/rust@4767f23. Fixes rust-lang/rust#154568 cc @adwinwhite
Fix doc comment on get_debug_as_hex.
…thanBrouwer Fix doc comment on FormattingOptions::new().
…uwer Rollup of 13 pull requests Successful merges: - rust-lang/rust#157871 ([rustdoc] Update `doc_cfg` hide/show syntax) - rust-lang/rust#158234 (Cross-referencing tuple_trait tracking issue, source and the Unstable Book) - rust-lang/rust#158480 (add smoketest for std::net::hostname) - rust-lang/rust#157625 (Use infer tys for synthetic params when lowering const paths point to fns) - rust-lang/rust#158290 (add crashtests [1/N]) - rust-lang/rust#158306 (tests: modify s390x vector test to be robust to instruction scheduling) - rust-lang/rust#158313 (Move `check_target_feature` into the attribute parser) - rust-lang/rust#158431 (More lint cleanups) - rust-lang/rust#158452 (Add missing links in integer docs) - rust-lang/rust#158467 (Add proc macro for unused assignments and corresponding test) - rust-lang/rust#158472 (Add regression test for unexpected pointer dereference issue) - rust-lang/rust#158475 (Fix doc comment on get_debug_as_hex.) - rust-lang/rust#158476 (Fix doc comment on FormattingOptions::new().)
std: fix xous dns ipv6 parsing off-by-one the ipv6 arm read the 16-byte address from offset+1 instead of offset, unlike the ipv4 arm. this mis-parsed every ipv6 result and let the slice reach offset+17 while the bounds check only guards offset+16, so a malformed dns response could index past the 4096-byte buffer and panic.
Move `std::io::Error` into `core` ACP: rust-lang/libs-team#755 Tracking issue: rust-lang/rust#154046 Related: rust-lang/rust#155574 Related: rust-lang/rust#152918 ## Description Moves `std::io::Error` into `core`, deferring `Box`-adjacent methods to incoherent implementations in `alloc`, and `RawOsError` methods to `std`. This requires some substantial changes to the internals of `Error`, but none of them are breaking changes or externally visible. Notably, I've replaced usage of `Box` with a wrapper around a pointer and an appropriate drop function. This requires the addition of quite a few lines of unsafe, but is required to work around `Box` only being accessible from `alloc`. Additionally, an atomic pointer to a VTable is used for working with `RawOsError` in `core`, since we cannot know the required implementations without `std`. As mention in [this comment](rust-lang/rust#155625 (comment)), there may be concern around having a static `AtomicPtr` in `core` for certain users. I've added a configuration option `no_io_statics` which (similar to `no_sync`/etc. in `alloc`) can be used to prevent their inclusion in `core`. When active, the fallback default implementation will always be used. --- ## Notes * This PR adopts the VTable technique from rust-lang/rust#152918 * This PR builds on my previous PR rust-lang/rust#155574 * No AI tooling of any kind was used during the creation of this PR.
This updates the rust-version file to 7fb284d9037fa54f6a9b24261c82b394472cbfd7.
Pull recent changes from https://github.com/rust-lang/rust via Josh. Upstream ref: rust-lang/rust@7fb284d Filtered ref: 4c2f655 Upstream diff: rust-lang/rust@8c75e93...7fb284d This merge was created using https://github.com/rust-lang/josh-sync.
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