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Rollup of 8 pull requests
Successful merges:
- #137683 (Add a tidy check for GCC submodule version)
- #138968 (Update the index of Result to make the summary more comprehensive)
- #139572 (docs(std): mention const blocks in const keyword doc page)
- #140152 (Unify the format of rustc cli flags)
- #140193 (fix ICE in `#[naked]` attribute validation)
- #140205 (Tidying up UI tests [2/N])
- #140284 (remove expect() in `unnecessary_transmutes`)
- #140290 (rustdoc: fix typo change from equivelent to equivalent)
r? `@ghost`
`@rustbot` modify labels: rollup
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Allow out of order dep graph node encoding
This allows out of order dep graph node encoding by also encoding the index instead of using the file node order as the index.
`MemEncoder` is also brought back to life and used for encoding.
Both of these are done to enable thread-local encoding of dep graph nodes.
This is based on https://github.com/rust-lang/rust/pull/139636.
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r=GuillaumeGomez
rustdoc: fix typo change from equivelent to equivalent
This PR fixes a typo in the search section in `rustdoc` book.
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remove expect() in `unnecessary_transmutes`
removes expect() from #136083 and fixes #140277
includes regression test
r? lcnr
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Tidying up UI tests [2/N]
Part of #133895
Moved the location of the tests that were in `tests/ui` and added descriptions!
I'll squash before merge!
r? jieyouxu
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fix ICE in `#[naked]` attribute validation
fixes https://github.com/rust-lang/rust/issues/140082
The comment here https://github.com/rust-lang/rust/pull/139615/files#r2040684192 is relevant, a better way to print the full path would be nice. If there's an issue I should `FIXME` this with let me know.
r? `@jdonszelmann`
cc `@nnethercote` https://github.com/rust-lang/rust/pull/139615
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Unify the format of rustc cli flags
As mentioned in #140102, I unified the format of rustc CLI flags.
I use the following rules:
1. `<param>`: Indicates a required parameter
2. `[param]`: Indicates an optional parameter
3. `|`: Indicates a mutually exclusive option
4. `*`: a list element with description
Current output:
```bash
Usage: rustc [OPTIONS] INPUT
Options:
-h, --help Display this message
--cfg <SPEC> Configure the compilation environment.
SPEC supports the syntax `<NAME>[="<VALUE>"]`.
--check-cfg <SPEC>
Provide list of expected cfgs for checking
-L [<KIND>=]<PATH> Add a directory to the library search path. The
optional KIND can be one of
<dependency|crate|native|framework|all> (default:
all).
-l [<KIND>[:<MODIFIERS>]=]<NAME>[:<RENAME>]
Link the generated crate(s) to the specified native
library NAME. The optional KIND can be one of
<static|framework|dylib> (default: dylib).
Optional comma separated MODIFIERS
<bundle|verbatim|whole-archive|as-needed>
may be specified each with a prefix of either '+' to
enable or '-' to disable.
--crate-type <bin|lib|rlib|dylib|cdylib|staticlib|proc-macro>
Comma separated list of types of crates
for the compiler to emit
--crate-name <NAME>
Specify the name of the crate being built
--edition <2015|2018|2021|2024|future>
Specify which edition of the compiler to use when
compiling code. The default is 2015 and the latest
stable edition is 2024.
--emit <TYPE>[=<FILE>]
Comma separated list of types of output for the
compiler to emit.
Each TYPE has the default FILE name:
* asm - CRATE_NAME.s
* llvm-bc - CRATE_NAME.bc
* dep-info - CRATE_NAME.d
* link - (platform and crate-type dependent)
* llvm-ir - CRATE_NAME.ll
* metadata - libCRATE_NAME.rmeta
* mir - CRATE_NAME.mir
* obj - CRATE_NAME.o
* thin-link-bitcode - CRATE_NAME.indexing.o
--print <INFO>[=<FILE>]
Compiler information to print on stdout (or to a file)
INFO may be one of
<all-target-specs-json|calling-conventions|cfg|check-cfg|code-models|crate-name|crate-root-lint-levels|deployment-target|file-names|host-tuple|link-args|native-static-libs|relocation-models|split-debuginfo|stack-protector-strategies|supported-crate-types|sysroot|target-cpus|target-features|target-libdir|target-list|target-spec-json|tls-models>.
-g Equivalent to -C debuginfo=2
-O Equivalent to -C opt-level=3
-o <FILENAME> Write output to FILENAME
--out-dir <DIR> Write output to compiler-chosen filename in DIR
--explain <OPT> Provide a detailed explanation of an error message
--test Build a test harness
--target <TARGET>
Target triple for which the code is compiled
-A, --allow <LINT> Set lint allowed
-W, --warn <LINT> Set lint warnings
--force-warn <LINT>
Set lint force-warn
-D, --deny <LINT> Set lint denied
-F, --forbid <LINT> Set lint forbidden
--cap-lints <LEVEL>
Set the most restrictive lint level. More restrictive
lints are capped at this level
-C, --codegen <OPT>[=<VALUE>]
Set a codegen option
-V, --version Print version info and exit
-v, --verbose Use verbose output
Additional help:
-C help Print codegen options
-W help Print 'lint' options and default settings
-Z help Print unstable compiler options
--help -v Print the full set of options rustc accepts
```
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ismailarilik:docs/std/mention-const-blocks-in-const-keyword-doc-page, r=tgross35
docs(std): mention const blocks in const keyword doc page
Aims to close #139549
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Update the index of Result to make the summary more comprehensive
fix #138966
This PR and #138957 are twin PR
r? `@Amanieu`
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Add a tidy check for GCC submodule version
To make sure that it stays in sync with the required GCC version of the GCC codegen backend.
The check should succeed on CI, although it will fail after https://github.com/rust-lang/rust/pull/137660, until the next GCC sync.
r? `@GuillaumeGomez`
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Rollup of 8 pull requests
Successful merges:
- #137653 (Deprecate the unstable `concat_idents!`)
- #138957 (Update the index of Option to make the summary more comprehensive)
- #140006 (ensure compiler existance of tools on the dist step)
- #140143 (Move `sys::pal::os::Env` into `sys::env`)
- #140202 (Make #![feature(let_chains)] bootstrap conditional in compiler/)
- #140236 (norm nested aliases before evaluating the parent goal)
- #140257 (Some drive-by housecleaning in `rustc_borrowck`)
- #140278 (Don't use item name to look up associated item from trait item)
r? `@ghost`
`@rustbot` modify labels: rollup
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Signed-off-by: xizheyin <xizheyin@smail.nju.edu.cn>
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Rollup of 8 pull requests
Successful merges:
- #137096 (Stabilize flags for doctest cross compilation)
- #140148 (CI: use aws codebuild for job dist-arm-linux)
- #140187 ([AIX] Handle AIX dynamic library extensions within c-link-to-rust-dylib run-make test)
- #140196 (Improved diagnostics for non-primitive cast on non-primitive types (`Arc`, `Option`))
- #140210 (Work around cygwin issue on condvar timeout)
- #140213 (mention about `x.py setup` in `INSTALL.md`)
- #140229 (`DelimArgs` tweaks)
- #140248 (Fix impl block items indent)
r? `@ghost`
`@rustbot` modify labels: rollup
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To keep it in sync with rustc_codegen_gcc.
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Revert compiletest new-executor, to re-land without download-rustc
Revert <https://github.com/rust-lang/rust/pull/139998> because the original merge triggered download-rustc, which messes with test metrics and prevents us from properly comparing them before/after the change.
The plan is to re-land this PR as-is, combined with a trivial compiler change to avoid download-rustc and get proper test metrics for comparison.
This reverts commit be181dd75c83d72fcc95538e235768bc367b76b9, reversing changes made to 645d0ad2a4f145ae576e442ec5c73c0f8eed829b.
r? ghost
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Don't use item name to look up associated item from trait item
This fix should be self-justifying b/c the fact that we were using identifiers here was kinda sus anyways, esp b/c we have a failproof way of doing the comparison :) I'll leave some info about why this repro needs a macro.
Fixes https://github.com/rust-lang/rust/issues/140259
r? `@nnethercote`
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Some drive-by housecleaning in `rustc_borrowck`
This commit picks up a few odd ends discovered during the work on #130227. It adds some documentation and renames a few methods with too generic names to describe what they actually do. It also adds some debug output that was helpful during bug hunting and generally cleans up a few things (for my values of "clean").
r? lcnr
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norm nested aliases before evaluating the parent goal
see the explanation of the underlying issue in tests/ui/traits/next-solver/normalize/eager-norm-pre-normalizes-to.rs.
This is also the cause of https://github.com/rust-lang/trait-system-refactor-initiative/issues/184, fixing the overflow errors with the new solver. I did not add any tests based on it directly as relying on that behavior to cause recursion limit shenanigans feels fragile. Thanks `@Nadrieril` for minimizing the issue [on zulip](https://rust-lang.zulipchat.com/#narrow/channel/364551-t-types.2Ftrait-system-refactor/topic/typenum.20.602.20.2F.201.60.20overflow.20error/with/513993621).
r? `@compiler-errors`
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Make #![feature(let_chains)] bootstrap conditional in compiler/
Let chains have been stabilized recently in #132833, so we can remove the gating from our uses in the compiler (as the compiler uses edition 2024).
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Move `sys::pal::os::Env` into `sys::env`
Although `Env` (as `Vars`), `Args`, path functions, and OS constants are publicly exposed via `std::env`, their implementations are each self-contained. Keep them separate in `std::sys` and make a new module, `sys::env`, for `Env`.
Also fix `unsafe_op_in_unsafe_fn` for Unix and update the `!DynSend` and `!DynSync` impls which had grown out of sync with the platforms (see #48005 for discussion on that).
r? joboet
Tracked in #117276.
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ensure compiler existance of tools on the dist step
Fixes https://github.com/rust-lang/rust/issues/138778 with a coverage on https://github.com/rust-lang/rust/issues/138123 and https://github.com/rust-lang/rust/issues/138004.
try-job: dist-powerpc64le-linux
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Update the index of Option to make the summary more comprehensive
fix: #138955
This PR and #138968 are twin PR
By the way, this is my first time contributing to rust, and I'm not a native English speaker, so any suggestions—whether about the wording in the docs or the contribution process itself—would be greatly appreciated!
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Deprecate the unstable `concat_idents!`
`concat_idents` has been around unstably for a long time, but there is now a better (but still unstable) way to join identifiers using `${concat(...)}` syntax with `macro_metavar_expr_concat`. This resolves a lot of the problems with `concat_idents` and is on a better track toward stabilization, so there is no need to keep both versions around. `concat_idents!` still has a lot of use in the ecosystem so deprecate it before removing, as discussed in [1].
Link: https://github.com/rust-lang/rust/issues/124225
[1]: https://rust-lang.zulipchat.com/#narrow/channel/219381-t-libs/topic/Removing.20.60concat_idents.60
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set subsections_via_symbols for ld64 helper sections
closes https://github.com/rust-lang/rust/issues/139744
cc `@madsmtm`
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r=notriddle
Fix impl block items indent
Fixes #139771.
Now, all impl block "before impl block items" indent are the same (ie, item info and documentation).
With this fix, it looks like this:
You can test it [here](https://rustdoc.crud.net/imperio/fix-impl-block-items-indent/foo/struct.Context.html).
r? `@notriddle`
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`DelimArgs` tweaks
r? `@petrochenkov`
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mention about `x.py setup` in `INSTALL.md`
Addresses [#t-infra/bootstrap > Installing from Source](https://rust-lang.zulipchat.com/#narrow/channel/326414-t-infra.2Fbootstrap/topic/Installing.20from.20Source).
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Work around cygwin issue on condvar timeout
This workaround *just works*... Actually I don't quite understand why does it work in such way. With a simple test on Cygwin, it seems that the maximum value of `tv_sec` could be 12899331056917, while the maximum value of `tv_nsec` should be a value floating around 464600000. A larger `timespec` could block the syscall forever.
r? `@joboet`
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Improved diagnostics for non-primitive cast on non-primitive types (`Arc`, `Option`)
here is a small fix that improving error messaging when user is trying to do something like this
```rust
let _ = "x" as Arc<str>;
let _ = 2 as Option<i32>;
```
before it looks like this
```rust
error[E0605]: non-primitive cast: `&'static str` as `Arc<str>`
--> src\main.rs:3:13
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3 | let _ = "x" as Arc<str>;
| ^^^^^^^^^^^^^^^ help: consider using the `From` trait instead: `Arc<str>::from("x")`
error[E0605]: non-primitive cast: `i32` as `Option<i32>`
--> src\main.rs:4:13
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4 | let _ = 2 as Option<i32>;
```
which looks horrible to be honest
so i made a small fix that make errors looks like this
```rust
error[E0605]: non-primitive cast: `&'static str` as `Arc<str>`
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3 | let _ = "x" as Arc<str>;
| ^^^^^^^^^^^^^^^
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= note: an `as` expression can only be used to convert between primitive types or to coerce to a specific trait object
help: consider using the `From` trait instead
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3 - let _ = "x" as Arc<str>;
3 + let _ = Arc::<str>::from("x");
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error[E0605]: non-primitive cast: `i32` as `Option<i32>`
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4 | let _ = 2 as Option<i32>;
| ^^^^^^^^^^^^^^^^
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= note: an `as` expression can only be used to convert between primitive types or to coerce to a specific trait object
help: consider using the `From` trait instead
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4 - let _ = 2 as Option<i32>;
4 + let _ = Option::<i32>::from(2);
```
**What improves?**
1) `Arc<str>::from("x")` which makes no sense because of missing `::`
2) readability
**Related Issue**
fixes #135412
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[AIX] Handle AIX dynamic library extensions within c-link-to-rust-dylib run-make test
Dynamic libraries on AIX have the ".a" extension. The c-link-to-rust-dylib run-make test checks for the extension explicitly, so the extension for AIX is also added to accommodate the test case on AIX.
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CI: use aws codebuild for job dist-arm-linux
try-job: dist-arm-linux
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Stabilize flags for doctest cross compilation
This makes the following changes in preparation for supporting doctest cross-compiling in cargo:
- Renames `--runtool` and `--runtool-arg` to `--test-runtool` and `--test-runtool-arg` to maintain consistency with other `--test-*` arguments.
- Stabilizes the `--test-runtool` and `--test-runtool-arg`. These are needed in order to support cargo's `target.runner` option which specifies a runner to execute a cross-compiled doctest (for example, qemu).
- Stabilizes the `--enable-per-target-ignores` flag by removing it and making it unconditionally enabled. This makes it possible to disable a doctest on a per-target basis, which I think will be helpful for rolling out this feature.
These changes were suggested in https://rust-lang.zulipchat.com/#narrow/channel/266220-t-rustdoc/topic/stabilizing.20doctest.20xcompile/near/409281127
The intent is to stabilize the doctest-xcompile feature in cargo. This will help ensure that for projects that do cross-compile testing that their doctests are also covered. Currently there is a somewhat surprising behavior that they are ignored.
Closes https://github.com/rust-lang/rust/issues/64245
try-job: x86_64-msvc-1
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`concat_idents` has been around unstably for a long time, but there is
now a better (but still unstable) way to join identifiers using
`${concat(...)}` syntax with `macro_metavar_expr_concat`. This resolves
a lot of the problems with `concat_idents` and is on a better track
toward stabilization, so there is no need to keep both versions around.
`concat_idents!` still has a lot of use in the ecosystem so deprecate it
before removing, as discussed in [1].
Link: https://github.com/rust-lang/rust/issues/124225
[1]: https://rust-lang.zulipchat.com/#narrow/channel/219381-t-libs/topic/Removing.20.60concat_idents.60
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Rollup of 8 pull requests
Successful merges:
- #136083 (Suggest {to,from}_ne_bytes for transmutations between arrays and integers, etc)
- #138282 (Add `#[repr(u128)]`/`#[repr(i128)]` enums to `improper_ctypes_definitions`)
- #139700 (Autodiff flags)
- #140139 (rustc_target: Adjust RISC-V feature implication)
- #140141 (Move zkVM constants into `sys::env_consts`)
- #140150 (fix MAX_EXP and MIN_EXP docs)
- #140172 (Make algebraic functions into `const fn` items.)
- #140191 (Remove git repository from git config)
r? `@ghost`
`@rustbot` modify labels: rollup
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This commit picks up a few odd ends discovered during the work on #130227.
It adds some documentation and renames a few methods with too generic names
to describe what they actually do. It also adds some debug output that was
helpful during bug hunting.
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r=jieyouxu
Remove git repository from git config
It is no longer needed after https://github.com/rust-lang/rust/pull/138591. We could even remove the `nightly_branch` field, but it still has one usage.
r? ``@jieyouxu``
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Make algebraic functions into `const fn` items.
Tracking issue: #136469
This PR makes the algebraic intrinsics and the unstable, algebraic functions of `f16`, `f32`, `f64`, and `f128` into `const fn` items:
```rust
impl f16 {
pub const fn algebraic_add(self, rhs: f16) -> f16;
pub const fn algebraic_sub(self, rhs: f16) -> f16;
pub const fn algebraic_mul(self, rhs: f16) -> f16;
pub const fn algebraic_div(self, rhs: f16) -> f16;
pub const fn algebraic_rem(self, rhs: f16) -> f16;
}
impl f32 {
pub const fn algebraic_add(self, rhs: f32) -> f32;
pub const fn algebraic_sub(self, rhs: f32) -> f32;
pub const fn algebraic_mul(self, rhs: f32) -> f32;
pub const fn algebraic_div(self, rhs: f32) -> f32;
pub const fn algebraic_rem(self, rhs: f32) -> f32;
}
impl f64 {
pub const fn algebraic_add(self, rhs: f64) -> f64;
pub const fn algebraic_sub(self, rhs: f64) -> f64;
pub const fn algebraic_mul(self, rhs: f64) -> f64;
pub const fn algebraic_div(self, rhs: f64) -> f64;
pub const fn algebraic_rem(self, rhs: f64) -> f64;
}
impl f128 {
pub const fn algebraic_add(self, rhs: f128) -> f128;
pub const fn algebraic_sub(self, rhs: f128) -> f128;
pub const fn algebraic_mul(self, rhs: f128) -> f128;
pub const fn algebraic_div(self, rhs: f128) -> f128;
pub const fn algebraic_rem(self, rhs: f128) -> f128;
}
// core::intrinsics
pub const fn fadd_algebraic<T: Copy>(a: T, b: T) -> T;
pub const fn fsub_algebraic<T: Copy>(a: T, b: T) -> T;
pub const fn fmul_algebraic<T: Copy>(a: T, b: T) -> T;
pub const fn fdiv_algebraic<T: Copy>(a: T, b: T) -> T;
pub const fn frem_algebraic<T: Copy>(a: T, b: T) -> T;
```
This PR does not preserve the initial behaviour of these functions yielding non-deterministic output under Miri; it is most likely desired to reimplement this behaviour at some point.
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fix MAX_EXP and MIN_EXP docs
As pointed out in https://github.com/rust-lang/rust/issues/88734, the docs for these constants are wrong.
r? ``@tgross35``
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Move zkVM constants into `sys::env_consts`
I missed this in #139868. Its `mod` declaration was removed, but the contents were not moved.
r? joboet
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rustc_target: Adjust RISC-V feature implication
This commit adjusts feature implication of the RISC-V ISA for better feature detection from the user perspective.
The main rule is:
* If the feature `A` is a functional superset of the feature `B` (`A ⊃ B`),
`A` is to imply `B`, even if this implication is not on the manual.
Such implications (not directly written in the ISA manual) are commented as `A ⊃ B`
which means "`A` is a (functional) superset of `B`".
1. `Zbc` → `Zbkc` (add as a superset)
The `Zbkc` extension is a subset of the `Zbc` extension (`Zbc` minus `clmulr` instruction).
2. `Zkr` → (nothing) (remove dependency to `Zicsr`)
Implication to the `Zicsr` extension is removed because (although nearly harmless), the `Zkr` extension (or the `seed` CSR section) defines its own subset of the `Zicsr` extension (guaranteed to work against the `seed` CSR which needs read/write access).
3. `Zvbb` → `Zvkb` (comment as a superset)
This implication was already there but not denoted as a functional superset. This commit adds the comment.
4. `Zvfh` → `Zvfhmin` (comment as a superset)
This is similar to the case above (`Zvbb` → `Zvkb`).
5. `Zvfh` → `Zve32f` (add implication per the ISA specification)
This dependency is on the ISA manual but was missing (due to the fact that `Zvfh` indirectly implies `Zve32f` on the current implementation through `Zvfh` → `Zvfhmin` which is a functional relation). This commit ensures that this is *also* ISA-compliant in the source code level (there's no functional changes though).
6. `Zvknhb` → `Zvknha` (add as a superset)
The `Zvknhb` extension (SHA-256 / SHA-512) is a functional superset of the `Zvknha` extension (SHA-256 only).
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