2447: Automated pull from upstream `HEAD` r=jyn514 a=ferrocene-automations[bot]

:warning: **The automation reported these warnings:** :warning:

* There are merge conflicts in this PR. Merge conflict markers have been committed.
* Couldn't regenerate the `x.py` completions. Please run `./x run generate-completions` after fixing the merge conflicts.
* Couldn't regenerate the `x.py` help file. Please run `./x run generate-help` after fixing the merge conflicts.
* Couldn't regenerate the symbol report. Please run './x test ferrocene/doc/symbol-report.csv --bless' after fixing the conflicts.

This PR pulls the following changes from the upstream repository:

* `158811`: [Rollup of 19 pull requests](https://www.github.com/rust-lang/rust/issues/158811)
  * `158706`: [Tweaks to MIR building scope API](https://www.github.com/rust-lang/rust/issues/158706)
  * `158698`: [Update TypeVisitable implementation](https://www.github.com/rust-lang/rust/issues/158698)
  * `158689`: [resolver: don't use `Finalize` when resolving visibilities during AST expansion](https://www.github.com/rust-lang/rust/issues/158689)
  * `158659`: [refactor the normalization in `coerce_shared_info`](https://www.github.com/rust-lang/rust/issues/158659)
  * `158539`: [Move `SizeHint` and `IoHandle` to `core::io`](https://www.github.com/rust-lang/rust/issues/158539)
  * `158751`: [rustdoc: Fix crash when trying to inline foreign item which cannot have attributes](https://www.github.com/rust-lang/rust/issues/158751)
  * `158711`: [library: Comment on libtest's dicey internal soundness](https://www.github.com/rust-lang/rust/issues/158711)
  * `158704`: [Optimize `ArrayChunks::try_rfold` with `DoubleEndedIterator::next_chunk_back`](https://www.github.com/rust-lang/rust/issues/158704)
  * `158624`: [borrowck: Introduce BlameConstraint::to_obligation_cause_from_path()](https://www.github.com/rust-lang/rust/issues/158624)
  * `158552`: [make some tidy errors around python easier to understand](https://www.github.com/rust-lang/rust/issues/158552)
  * `158434`: [delegation: refactor AST -> HIR lowering](https://www.github.com/rust-lang/rust/issues/158434)
  * `157857`: [Stabilize `#[my_macro] mod foo;` (part of `proc_macro_hygiene`)](https://www.github.com/rust-lang/rust/issues/157857)
  * `157835`: [expand free alias types in the auto-trait orphan check](https://www.github.com/rust-lang/rust/issues/157835)
  * `157151`: [JSON target specs: remove 'x86-softfloat' compatibility alias](https://www.github.com/rust-lang/rust/issues/157151)
  * `156777`: [Add -Zautodiff_post_passes flag to limit which llvm passes to run after enzyme to make autodiff tests more robust](https://www.github.com/rust-lang/rust/issues/156777)
  * `155989`: [Update `transmute_copy` to ub_checks and `?Sized`](https://www.github.com/rust-lang/rust/issues/155989)
  * `155932`: [MIR Call terminator: evaluate destination place before arguments](https://www.github.com/rust-lang/rust/issues/155932)
  * `134021`: [Implement `IntoIterator` for `[&[mut]] Box<[T; N], A>`](https://www.github.com/rust-lang/rust/issues/134021)
  * `158692`: [Add release notes for 1.96.1](https://www.github.com/rust-lang/rust/issues/158692)
* `158740`: [Bump version to 1.99.0](https://www.github.com/rust-lang/rust/issues/158740)
* `158169`: [Fix debuginfo compression in bootstrap](https://www.github.com/rust-lang/rust/issues/158169)
* `158795`: [Rollup of 21 pull requests](https://www.github.com/rust-lang/rust/issues/158795)
  * `158688`: [Cleanup attribute docs and add links to other mentioned attributes](https://www.github.com/rust-lang/rust/issues/158688)
  * `158687`: [Streamline `MacEager`](https://www.github.com/rust-lang/rust/issues/158687)
  * `158684`: [Add missing generic test coverage for ```#[splat]```](https://www.github.com/rust-lang/rust/issues/158684)
  * `158682`: [Avoid delayed bug for disabled on_type_error arguments](https://www.github.com/rust-lang/rust/issues/158682)
  * `158681`: [Remove unnecessary `Hash` derives from MIR types](https://www.github.com/rust-lang/rust/issues/158681)
  * `158680`: [Avoid ICE for `NonZero<char>` in improper_ctypes](https://www.github.com/rust-lang/rust/issues/158680)
  * `158677`: [Add extra splat tests](https://www.github.com/rust-lang/rust/issues/158677)
  * `158674`: [library: Polish transmute's `split_at_stdlib` example](https://www.github.com/rust-lang/rust/issues/158674)
  * `158669`: [Remove `src/tools/test-float-parse/Cargo.lock`](https://www.github.com/rust-lang/rust/issues/158669)
  * `158651`: [ptr doc: reduce use of unsafe block to where needed](https://www.github.com/rust-lang/rust/issues/158651)
  * `158637`: [hir_ty_lowering: avoid self type lookup for inherent aliases](https://www.github.com/rust-lang/rust/issues/158637)
  * `158585`: [Improve diagnostic for too many super keywords](https://www.github.com/rust-lang/rust/issues/158585)
  * `158549`: [process::exec: using appropriate exit code on vxworks.](https://www.github.com/rust-lang/rust/issues/158549)
  * `158473`: [Add `riscv32imfc-unknown-none-elf` bare-metal target](https://www.github.com/rust-lang/rust/issues/158473)
  * `158021`: [Remove old MinGW workaround](https://www.github.com/rust-lang/rust/issues/158021)
  * `158665`: [Revert "Remove redundant dyn-compatibility check."](https://www.github.com/rust-lang/rust/issues/158665)
  * `158658`: [Update LLVM submodule](https://www.github.com/rust-lang/rust/issues/158658)
  * `158627`: [Simplify option-iterator flattening in the compiler](https://www.github.com/rust-lang/rust/issues/158627)
  * `158606`: [use ProjectionPredicate instead of AliasRelate](https://www.github.com/rust-lang/rust/issues/158606)
  * `158494`: [Improve E0277 diagnostics for conditionally implemented traits](https://www.github.com/rust-lang/rust/issues/158494)
  * `158100`: [Emit retags in codegen to support BorrowSanitizer (part 4)](https://www.github.com/rust-lang/rust/issues/158100)
* `158691`: [Update cargo submodule](https://www.github.com/rust-lang/rust/issues/158691)
* `158774`: [Mirror kernel archives in `ci-mirrors` to not depend on currently unavailable kernel mirror sources](https://www.github.com/rust-lang/rust/issues/158774)
* `158525`: [Reorganize `tests/ui/issues` [17/N]](https://www.github.com/rust-lang/rust/issues/158525)
* `158676`: [Rollup of 8 pull requests](https://www.github.com/rust-lang/rust/issues/158676)
  * `158667`: [rustc_sanitizers: use twox-hash without default features](https://www.github.com/rust-lang/rust/issues/158667)
  * `158364`: [rustc_target/asm: add LoongArch LSX/LASX inline asm register support](https://www.github.com/rust-lang/rust/issues/158364)
  * `158334`: [rustdoc: Show use-site paths for unevaluated const array lengths](https://www.github.com/rust-lang/rust/issues/158334)
  * `158574`: [Clarify ExitStatusExt documentation](https://www.github.com/rust-lang/rust/issues/158574)
  * `158531`: [Change `adjust_ident_and_get_scope` arg to `LocalDefId`](https://www.github.com/rust-lang/rust/issues/158531)
  * `158427`: [Implement `ptr::{read,write}_unaligned` via `repr(packed)`](https://www.github.com/rust-lang/rust/issues/158427)
  * `158180`: [std: use `OnceLock` for SGX environment variable storage](https://www.github.com/rust-lang/rust/issues/158180)
  * `156737`: [Implement `DoubleEndedIterator::next_chunk_back`](https://www.github.com/rust-lang/rust/issues/156737)
* `158663`: [Rollup of 8 pull requests](https://www.github.com/rust-lang/rust/issues/158663)
  * `158647`: [Document `strip_circumfix` behavior on overlapping prefix and suffix.](https://www.github.com/rust-lang/rust/issues/158647)
  * `158634`: [Add missing `needs_drop` check to `DroplessArena`.](https://www.github.com/rust-lang/rust/issues/158634)
  * `158633`: [Remove unnecessary `Clone` derives on resolver types](https://www.github.com/rust-lang/rust/issues/158633)
  * `158620`: [Remove skip_norm_w/i/p().def_id with a helper](https://www.github.com/rust-lang/rust/issues/158620)
  * `158613`: [Fix getrandom fallback test on platforms with `panic=abort`](https://www.github.com/rust-lang/rust/issues/158613)
  * `158397`: [delegation: support simplest output `Self` mapping](https://www.github.com/rust-lang/rust/issues/158397)
  * `156716`: [tests: fix: parallel frontend test failures: different alloc ids](https://www.github.com/rust-lang/rust/issues/156716)
  * `158294`: [Use .drectve for MSVC DLL exports](https://www.github.com/rust-lang/rust/issues/158294)
* `158604`: [resolve: no allocation in `resolve_ident_in(_local)_module_*`](https://www.github.com/rust-lang/rust/issues/158604)
* `158639`: [Rollup of 6 pull requests](https://www.github.com/rust-lang/rust/issues/158639)
  * `158636`: [linkchecker: upgrade to `html5ever v0.39`](https://www.github.com/rust-lang/rust/issues/158636)
  * `158542`: [Rename `align` to `default_align` on `Scalar` and `Primitive`](https://www.github.com/rust-lang/rust/issues/158542)
  * `158516`: [ Deduplicate codegen backends in bootstrap config](https://www.github.com/rust-lang/rust/issues/158516)
  * `158483`: [signed strict division: just use normal division](https://www.github.com/rust-lang/rust/issues/158483)
  * `158449`: [QNX target renaming](https://www.github.com/rust-lang/rust/issues/158449)
  * `157718`: [Do not increase depth when evaluating nested goals of `NormalizesTo`](https://www.github.com/rust-lang/rust/issues/157718)
* `158629`: [Rollup of 7 pull requests](https://www.github.com/rust-lang/rust/issues/158629)
  * `158616`: [Remove dependency from `rustc_metadata` on `rustc_incremental`](https://www.github.com/rust-lang/rust/issues/158616)
  * `158614`: [Fix error message when rejecting implicit stage != 2 in CI](https://www.github.com/rust-lang/rust/issues/158614)
  * `158573`: [stabilize `feature(atomic_from_mut)`](https://www.github.com/rust-lang/rust/issues/158573)
  * `158569`: [[rustdoc] Fix handling of inlining of `no_inline` of foreign items](https://www.github.com/rust-lang/rust/issues/158569)
  * `157650`: [rustc_target: Add OpenEmbedded/Yocto Linux base targets](https://www.github.com/rust-lang/rust/issues/157650)
  * `157347`: [Implement `Box::as_non_null()`.](https://www.github.com/rust-lang/rust/issues/157347)
  * `156379`: [lint on `core::ffi::c_void` as a return type](https://www.github.com/rust-lang/rust/issues/156379)
* `158610`: [Rollup of 5 pull requests](https://www.github.com/rust-lang/rust/issues/158610)
  * `158592`: [tests: only run `lexical-scope-in-match.rs` for LLDB >= 21](https://www.github.com/rust-lang/rust/issues/158592)
  * `158571`: [Update books](https://www.github.com/rust-lang/rust/issues/158571)
  * `158563`: [Test(lib/net): Fix `hostname_smoketest` for Win7](https://www.github.com/rust-lang/rust/issues/158563)
  * `158560`: [Move per-function debuginfo methods from codegen to builder methods](https://www.github.com/rust-lang/rust/issues/158560)
  * `158600`: [Fix `rustc --unpretty=expanded` emit of `[const] [unsafe] impl Trait for`](https://www.github.com/rust-lang/rust/issues/158600)
* `158595`: [Rollup of 7 pull requests](https://www.github.com/rust-lang/rust/issues/158595)
  * `158591`: [Fix spacing issue for unused parentheses lint](https://www.github.com/rust-lang/rust/issues/158591)
  * `158327`: [Move attribute and keyword docs from `std` to `core`](https://www.github.com/rust-lang/rust/issues/158327)
  * `157445`: [Allow section override when using patchable-function-entries](https://www.github.com/rust-lang/rust/issues/157445)
  * `158562`: [Improve tracing of steps in bootstrap](https://www.github.com/rust-lang/rust/issues/158562)
  * `158561`: [Avoid building rustdoc for tests without doctests](https://www.github.com/rust-lang/rust/issues/158561)
  * `158256`: [Avoid parser panics bubbling out to proc macros](https://www.github.com/rust-lang/rust/issues/158256)
  * `158073`: [bootstrap: fix panic when repo path contains spaces by switching to CARGO_ENCODED_RUSTFLAGS](https://www.github.com/rust-lang/rust/issues/158073)
* `158593`: [Rollup of 11 pull requests](https://www.github.com/rust-lang/rust/issues/158593)
  * `158582`: [Comment on needed RAM in huge-stacks.rs](https://www.github.com/rust-lang/rust/issues/158582)
  * `158568`: [llvm-wrapper: use accessors for private fields in LLVM 23+](https://www.github.com/rust-lang/rust/issues/158568)
  * `158564`: [fix `-Z min-recursion-limit` unstable chapter name](https://www.github.com/rust-lang/rust/issues/158564)
  * `158543`: [Note usage of documentation hard links in `core::io`](https://www.github.com/rust-lang/rust/issues/158543)
  * `158468`: [Include default-stability info in rustdoc JSON.](https://www.github.com/rust-lang/rust/issues/158468)
  * `158081`: [trait-system: Recover deferred closure calls after errors](https://www.github.com/rust-lang/rust/issues/158081)
  * `158556`: [delegation: store child segment flag in `PathSegment`](https://www.github.com/rust-lang/rust/issues/158556)
  * `158375`: [Support `DefKind::InlineConst` in `ConstKind::Unevaluated`](https://www.github.com/rust-lang/rust/issues/158375)
  * `156295`: [Pass the whole `GenericArgs` to `Interner::for_each_relevant_impl()`](https://www.github.com/rust-lang/rust/issues/156295)
  * `156230`: [tests: check wasm compiler_builtins object architecture](https://www.github.com/rust-lang/rust/issues/156230)
  * `155722`: [Introduce aarch64-unknown-linux-pauthtest target](https://www.github.com/rust-lang/rust/issues/155722)
* `158035`: [resolve: Explicit Set for detecting resolution cycles](https://www.github.com/rust-lang/rust/issues/158035)
* `146275`: [lint ImproperCTypes: refactor linting architecture (part 3)](https://www.github.com/rust-lang/rust/issues/146275)
* `158477`: [Remove redundant dyn-compatibility check.](https://www.github.com/rust-lang/rust/issues/158477)


2458: RHIVOS to safety manual r=jyn514 a=Hoverbear

Forward ports the load bearing parts of #2383 around rhivos


Co-authored-by: jyn <[email protected]>
Co-authored-by: heinwol <[email protected]>
Co-authored-by: bors <[email protected]>
Co-authored-by: Jakub Beránek <[email protected]>
Co-authored-by: León Orell Valerian Liehr <[email protected]>
Co-authored-by: bjorn3 <[email protected]>
Co-authored-by: Yukang <[email protected]>
Co-authored-by: Paul Murphy <[email protected]>
Co-authored-by: aerooneqq <[email protected]>
Co-authored-by: Rémy Rakic <[email protected]>
Co-authored-by: LorrensP-2158466 <[email protected]>
Co-authored-by: lapla <[email protected]>
Co-authored-by: Liza Burakova <[email protected]>
Co-authored-by: Scott McMurray <[email protected]>
Co-authored-by: Ana Hobden <[email protected]>