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These are necessary now that compiler-builtins requires a working
C compiler for riscv.
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This cmake option has been removed in:
https://github.com/llvm/llvm-project/commit/618e5d2c2d8e0c288c37b883ece553ca4f994c2e
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Update books
## rust-lang/edition-guide
1 commits in baafacc6d8701269dab1e1e333f3547fb54b5a59..76bd48a273a0e0413a3bf22c699112d41497b99e
2024-02-10 20:50:34 UTC to 2024-02-10 20:50:34 UTC
- Set up scaffolding for 2024 (rust-lang/edition-guide#288)
## rust-lang/reference
4 commits in a0b119535e7740f68494c4f0582f7ad008b00ccd..8227666de13f6e7bb32dea9dc42e841adb5ce4b7
2024-02-12 03:04:15 UTC to 2024-01-30 20:10:53 UTC
- Fix a typo in external-blocks.md (rust-lang/reference#1467)
- Fix syntax in `'static lifetime elision` section of `lifetime-elision.md` (rust-lang/reference#1463)
- Fix markdown backslash for FLOAT_LITERAL (rust-lang/reference#1464)
- C string literal expressions (rust-lang/reference#1457)
## rust-lang/rust-by-example
5 commits in 179256a445d6144f5f371fdefb993f48f33978b0..e188d5d466f7f3ff9f1d518393235f4fe951be46
2024-02-07 17:16:00 UTC to 2024-01-31 17:34:10 UTC
- Update macros.md (rust-lang/rust-by-example#1815)
- Update borrow.md (rust-lang/rust-by-example#1814)
- Fixes the bug: https://github.com/rust-lang/rust-by-example/issues/1721 (rust-lang/rust-by-example#1811)
- std_misc/process/pipe.md: Fix typo in pangram string (rust-lang/rust-by-example#1809)
- Add expected error behavior into docs (rust-lang/rust-by-example#1810)
## rust-lang/rustc-dev-guide
9 commits in ec287e332777627185be4798ad22599ffe7b84aa..1f30cc7cca9a3433bc1872abdc98960b36c21ca0
2024-02-11 05:36:15 UTC to 2024-01-29 19:49:51 UTC
- fix sentence (rust-lang/rustc-dev-guide#1882)
- Some updates for recent diagnostics changes. (rust-lang/rustc-dev-guide#1883)
- Rename occurrences of 'delay_span_bug' to 'span_delayed_bug' (rust-lang/rustc-dev-guide#1881)
- Update for upcoming markdown changes. (rust-lang/rustc-dev-guide#1880)
- Update uses of renamed BoxMeUp to PanicPayload (rust-lang/rustc-dev-guide#1878)
- Add links for arena and interning. (rust-lang/rustc-dev-guide#1868)
- Improving macro expansion section (rust-lang/rustc-dev-guide#1875)
- Replace letters by foo, bar and buz in lexing example (rust-lang/rustc-dev-guide#1870)
- Fix some broken links (rust-lang/rustc-dev-guide#1877)
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Dejargonize `subst`
In favor of #110793, replace almost every occurence of `subst` and `substitution` from rustc codes, but they still remains in subtrees under `src/tools/` like clippy and test codes (I'd like to replace them after this)
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Fix async closures in CTFE
First commit renames `is_coroutine_or_closure` into `is_closure_like`, because `is_coroutine_or_closure_or_coroutine_closure` seems confusing and long.
Second commit fixes some forgotten cases where we want to handle `TyKind::CoroutineClosure` the same as closures and coroutines.
The test exercises the change to `ValidityVisitor::aggregate_field_path_elem` which is the source of #120946, but not the change to `UsedParamsNeedSubstVisitor`, though I feel like it's not that big of a deal. Let me know if you'd like for me to look into constructing a test for the latter, though I have no idea what it'd look like (we can't assert against `TooGeneric` anywhere?).
Fixes #120946
r? oli-obk cc ``@RalfJung``
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compiletest: few naive improvements
Tested on `python x.py --stage=1 t tests/ui/borrowck/ --force-rerun`, see individual commits.
Wall time didn't improved :-) .
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Gate PR CI on clippy correctness lints
Implements part of https://github.com/rust-lang/compiler-team/issues/709.
Note that `x.py clippy compiler` also checks the standard library, because it needs to be checked before the compiler. This happens even with `x.py clippy --stage 0`.
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Warn on references casting to bigger memory layout
This PR extends the [`invalid_reference_casting`](https://doc.rust-lang.org/rustc/lints/listing/deny-by-default.html#invalid-reference-casting) lint (*deny-by-default*) which currently lint on `&T -> &mut T` casting to also lint on `&(mut) A -> &(mut) B` where `size_of::<B>() > size_of::<A>()` (bigger memory layout requirement).
The goal is to detect such cases:
```rust
let u8_ref: &u8 = &0u8;
let u64_ref: &u64 = unsafe { &*(u8_ref as *const u8 as *const u64) };
//~^ ERROR casting references to a bigger memory layout is undefined behavior
let mat3 = Mat3 { a: Vec3(0i32, 0, 0), b: Vec3(0, 0, 0), c: Vec3(0, 0, 0) };
let mat3 = unsafe { &*(&mat3 as *const _ as *const [[i64; 3]; 3]) };
//~^ ERROR casting references to a bigger memory layout is undefined behavior
```
This is added to help people who write unsafe code, especially when people have matrix struct that they cast to simple array of arrays.
EDIT: One caveat, due to the [`&Header`](https://github.com/rust-lang/unsafe-code-guidelines/issues/256) uncertainty the lint only fires when it can find the underline allocation.
~~I have manually tested all the new expressions that warn against Miri, and they all report immediate UB.~~
r? ``@est31``
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Turn `is_val_statically_known` into such an intrinsic to demonstrate. It is perfectly safe to call after all.
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Rollup of 11 pull requests
Successful merges:
- #120765 (Reorder diagnostics API)
- #120833 (More internal emit diagnostics cleanups)
- #120899 (Gracefully handle non-WF alias in `assemble_alias_bound_candidates_recur`)
- #120917 (Remove a bunch of dead parameters in functions)
- #120928 (Add test for recently fixed issue)
- #120933 (check_consts: fix duplicate errors, make importance consistent)
- #120936 (improve `btree_cursors` functions documentation)
- #120944 (Check that the ABI of the instance we are inlining is correct)
- #120956 (Clean inlined type alias with correct param-env)
- #120962 (Add myself to library/std review)
- #120972 (fix ICE for deref coercions with type errors)
r? `@ghost`
`@rustbot` modify labels: rollup
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Clean inlined type alias with correct param-env
We were cleaning the `hir::Ty` of a type alias item in the param-env of the item that *references* the type alias, and not the alias's own param-env.
Fixes #120954
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turns out one of the synchronizations in rwlock_writer_unlock is unnecessary
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Now that we have both `delayed_bug` and `span_delayed_bug`, it makes
sense to use the generic term "delayed bug" more.
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- improve diagnostics of field uniqueness check and representation check
- simplify the implementation of field uniqueness check
- remove some useless codes and improvement neatness
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Rollup of 8 pull requests
Successful merges:
- #110483 (Create try_new function for ThinBox)
- #120740 (Make cmath.rs a single file)
- #120872 (hir: Refactor getters for HIR parents)
- #120880 (add note on comparing vtables / function pointers)
- #120885 (interpret/visitor: ensure we only see normalized types)
- #120888 (assert_unsafe_precondition cleanup)
- #120897 (Encode `coroutine_for_closure` for foreign crates)
- #120937 ([docs] Update armv6k-nintendo-3ds platform docs for outdated info)
r? `@ghost`
`@rustbot` modify labels: rollup
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r=JohnTitor
[docs] Update armv6k-nintendo-3ds platform docs for outdated info
Mostly just fixing links and references to renamed crates, but also updating a bit of outdated info as well.
CC `@Meziu` `@AzureMarker`
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hir: Refactor getters for HIR parents
See individual commits.
I ended up removing on of the FIXMEs from https://github.com/rust-lang/rust/pull/120206 instead of addressing it.
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Assert that params with the same *index* have the same *name*
Found this bug when trying to build libcore with the new solver, since it will canonicalize two params with the same index into *different* placeholders if those params differ by name.
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always run `configure_linker` except for mir-opt tests
`configure_linker` now runs consistently unless it's for mir-opt tests. Previously `!= "check"` condition was causing dirt in the cargo cache between runs of `x anything-but-not-check` and `x check`.
Fixes #120768
cc `@saethlin`
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Rollup of 9 pull requests
Successful merges:
- #119213 (simd intrinsics: add simd_shuffle_generic and other missing intrinsics)
- #120272 (Suppress suggestions in derive macro)
- #120773 (large_assignments: Allow moves into functions)
- #120874 (Take empty `where` bounds into account when suggesting predicates)
- #120882 (interpret/write_discriminant: when encoding niched variant, ensure the stored value matches)
- #120883 (interpret: rename ReadExternStatic → ExternStatic)
- #120890 (Adapt `llvm-has-rust-patches` validation to take `llvm-config` into account.)
- #120895 (don't skip coercions for types with errors)
- #120896 (Print kind of coroutine closure)
r? `@ghost`
`@rustbot` modify labels: rollup
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add tests for imported_main
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Rollup of 10 pull requests
Successful merges:
- #117740 (Add some links and minor explanatory comments to `std::fmt`)
- #118307 (Remove an unneeded helper from the tuple library code)
- #119242 (Suggest less bug-prone construction of Duration in docs)
- #119449 (Fix `clippy::correctness` in the library)
- #120307 (core: add Duration constructors)
- #120459 (Document various I/O descriptor/handle conversions)
- #120729 (Update mdbook to 0.4.37)
- #120763 (Suggest pattern tests when modifying exhaustiveness)
- #120906 (Remove myself from some review rotations)
- #120916 (Subtree update of ` rust-analyzer`)
r? `@ghost`
`@rustbot` modify labels: rollup
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Implement the `mmap64` foreign item.
`mmap64` is like `mmap` but uses a 64-bit integer instead of `off_t` for the offset parameter.
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`mmap64` is only defined on Linux, so move the implementation
to Linux-specific code.
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Introducing a new config for this purpose as NetBSD 9 or 8 will be still around
for a good while. For now, we re finally enabling sys::unix::rand::getrandom.
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Subtree update of ` rust-analyzer`
r? `@ghost`
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