Rollup of 10 pull requests #139007
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Rollup of 10 pull requests #139007
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This has been disabled due to an LLVM misoptimization with `powi.f16` [1]. This was fixed upstream and the fix is included in LLVM20, so tests no longer need to be disabled. `f16` still remains disabled on MinGW due to the ABI issue. [1]: llvm/llvm-project#98665
The collection is limited to full debuginfo builds to match behavior of FunctionCx::compute_per_local_var_debug_info.
Suggest {to,from}_ne_bytes for transmutations between arrays and integers, etc
implements rust-lang#136067
Rust has helper methods for many kinds of safe transmutes, for example integer<->bytes. This is a lint against using transmute for these cases.
```rs
fn bytes_at_home(x: [u8; 4]) -> u32 {
transmute(x)
}
// other examples
transmute::<[u8; 2], u16>();
transmute::<[u8; 8], f64>();
transmute::<u32, [u8; 4]>();
transmute::<char, u32>();
transmute::<u32, char>();
```
It would be handy to suggest `u32::from_ne_bytes(x)`.
This is implemented for `[u8; _]` -> `{float int}`
This also implements the cases:
`fXX` <-> `uXX` = `{from_bits, to_bits}`
`uXX` -> `iXX` via `cast_unsigned` and `cast_signed`
{`char` -> `u32`, `bool` -> `n8`} via `from`
`u32` -> `char` via `from_u32_unchecked` (note: notes `from_u32().unwrap()`) (contested)
`u8` -> `bool` via `==` (debatable)
Enable `reliable_f16_math` on x86 This has been disabled due to an LLVM misoptimization with `powi.f16` [1]. This was fixed upstream and the fix is included in LLVM20, so tests no longer need to be disabled. `f16` still remains disabled on MinGW due to the ABI issue. [1]: llvm/llvm-project#98665 try-job: x86_64-gnu try-job: i686-gnu-1
…ntainer, r=jieyouxu Add mipsel maintainer
…config, r=lqd Update wg-prio triagebot config This completes the Zulip channel renaming after rust-lang/compiler-team#848 Just nits: fixed a documentation link and the name of the Zulip channel for prioritization alerts. r? ``@davidtwco``
…ieyouxu Un-bury chapters from the chapter list in rustc book This PR moves the "Platform Support" section to the bottom of rustc chapter book, as to un-burry chapters from the chapter list, which where hidden by the wall of targets. | Before | After | |--------|-------| |  |  | r? ``@jieyouxu``
… r=lcnr Implement lint against using Interner and InferCtxtLike in random compiler crates Often `Interner` defines similar methods to `TyCtxt` (but often simplified due to the simpler API surface of the type system layer for the new solver), which people will either unintentionally or intentionally import and use. Let's discourage that. r? lcnr
…ed, r=compiler-errors Don't deaggregate InvocationParent just to reaggregate it again Also makes it easier to add more things to it in the future (which I am doing in some local experiments, so not really a reason to do this just now, but I think this PR stands on its own).
…compiler-errors Collect items referenced from var_debug_info The collection is limited to full debuginfo builds to match behavior of FunctionCx::compute_per_local_var_debug_info. Fixes rust-lang#138942.
…ler-errors Use the correct binder scope for elided lifetimes in assoc consts Beyond diagnostics this has no real effect, and it's also just about a future incompat lint. But it causes ICEs in some refactorings that I'm doing, so trying to get it out of the way
Always emit `native-static-libs` note, even if it is empty Fixes rust-lang#108825. Retry of rust-lang#121216, finally got around to fixing the test, the errors in that PR were because `libcore` uses the `#[link]` attribute on MSVC. try-job: x86_64-msvc r? wesleywiser
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Rollup of 10 pull requests Successful merges: - rust-lang#136083 (Suggest {to,from}_ne_bytes for transmutations between arrays and integers, etc) - rust-lang#138344 (Enable `reliable_f16_math` on x86) - rust-lang#138624 (Add mipsel maintainer) - rust-lang#138935 (Update wg-prio triagebot config) - rust-lang#138946 (Un-bury chapters from the chapter list in rustc book) - rust-lang#138964 (Implement lint against using Interner and InferCtxtLike in random compiler crates) - rust-lang#138977 (Don't deaggregate InvocationParent just to reaggregate it again) - rust-lang#138980 (Collect items referenced from var_debug_info) - rust-lang#138985 (Use the correct binder scope for elided lifetimes in assoc consts) - rust-lang#138987 (Always emit `native-static-libs` note, even if it is empty) r? `@ghost` `@rustbot` modify labels: rollup
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Successful merges:
reliable_f16_mathon x86 #138344 (Enablereliable_f16_mathon x86)native-static-libsnote, even if it is empty #138987 (Always emitnative-static-libsnote, even if it is empty)r? @ghost
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