Rollup of 11 pull requests #111165
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Rollup of 11 pull requests #111165
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This change makes it so, instead of mixing string distance with type unification, function signature search works by mapping names to IDs at the start, reporting to the user any cases where it had to make corrections, and then matches with IDs when going through the items. This only changes function searches. Name searches are left alone, and corrections are only done when there's a single item in the search query.
The number 900 is safely below github's limit of 1000 entries for a directory. PRs to move tests can still decrease the sizes of various directories, but adjusting the limit won't be neccessary any more. In general, the limit is a bad tool to direct people to put tests into fitting directories because when those are available, usually the limit is not hit, while the limit is hit in directories that have a weak substructure themselves.
... with this convertions some tests fail :(
This can be done by simply changing the `\??\` prefix to `\\?\` and then attempting to convert to a user path. Currently it simply strips off the prefix which could lead to the wrong path being returned (e.g. if it's not a drive path or if the path contains trailing spaces, etc).
FFX has new builtin support for isolating the daemon's environment. This switches the manual isolation originally written to that new builtin feature.
This commit adds cross-language LLVM Control Flow Integrity (CFI) support to the Rust compiler by adding the `-Zsanitizer-cfi-normalize-integers` option to be used with Clang `-fsanitize-cfi-icall-normalize-integers` for normalizing integer types (see https://reviews.llvm.org/D139395). It provides forward-edge control flow protection for C or C++ and Rust -compiled code "mixed binaries" (i.e., for when C or C++ and Rust -compiled code share the same virtual address space). For more information about LLVM CFI and cross-language LLVM CFI support for the Rust compiler, see design document in the tracking issue rust-lang#89653. Cross-language LLVM CFI can be enabled with -Zsanitizer=cfi and -Zsanitizer-cfi-normalize-integers, and requires proper (i.e., non-rustc) LTO (i.e., -Clinker-plugin-lto).
This commit updates the documentation for the LLVM Control Flow Integrity (CFI) support in the Rust compiler.
…risDenton
Implement tuple<->array convertions via `From`
This PR adds the following impls that convert between homogeneous tuples and arrays of the corresponding lengths:
```rust
impl<T> From<[T; 1]> for (T,) { ... }
impl<T> From<[T; 2]> for (T, T) { ... }
/* ... */
impl<T> From<[T; 12]> for (T, T, T, T, T, T, T, T, T, T, T, T) { ... }
impl<T> From<(T,)> for [T; 1] { ... }
impl<T> From<(T, T)> for [T; 2] { ... }
/* ... */
impl<T> From<(T, T, T, T, T, T, T, T, T, T, T, T)> for [T; 12] { ... }
```
IMO these are quite uncontroversial but note that they are, just like any other trait impls, insta-stable.
Add cross-language LLVM CFI support to the Rust compiler This PR adds cross-language LLVM Control Flow Integrity (CFI) support to the Rust compiler by adding the `-Zsanitizer-cfi-normalize-integers` option to be used with Clang `-fsanitize-cfi-icall-normalize-integers` for normalizing integer types (see https://reviews.llvm.org/D139395). It provides forward-edge control flow protection for C or C++ and Rust -compiled code "mixed binaries" (i.e., for when C or C++ and Rust -compiled code share the same virtual address space). For more information about LLVM CFI and cross-language LLVM CFI support for the Rust compiler, see design document in the tracking issue rust-lang#89653. Cross-language LLVM CFI can be enabled with -Zsanitizer=cfi and -Zsanitizer-cfi-normalize-integers, and requires proper (i.e., non-rustc) LTO (i.e., -Clinker-plugin-lto). Thank you again, `@bjorn3,` `@nikic,` `@samitolvanen,` and the Rust community for all the help!
…ou-se Replace generic thread parker with explicit no-op parker With rust-lang#98391 merged, all platforms supporting threads now have their own parking implementations. Therefore, the generic implementation can be removed. On the remaining platforms (really just WASM without atomics), parking is not supported, so calls to `thread::park` now return instantly, which is [allowed by their API](https://doc.rust-lang.org/nightly/std/thread/fn.park.html). This is a change in behaviour, as spurious wakeups do not currently occur since all platforms guard against them. It is invalid to depend on this, but I'm still going to tag this as libs-api for confirmation. ```@rustbot``` label +T-libs +T-libs-api +A-atomic r? rust-lang/libs
Correctly convert an NT path to a Win32 path in `read_link` This can be done by simply changing the `\??\` prefix to `\\?\`. Currently it strips off the prefix which could lead to the wrong path being returned (e.g. if it's not a drive path or if the path contains trailing spaces, etc). r? libs
…ions, r=GuillaumeGomez rustdoc: restructure type search engine to pick-and-use IDs Fixes rust-lang#110029 Preview: https://notriddle.com/rustdoc-demo-html-3/search-corrections/std/index.html?search=-%3E%20streaming  This change makes it so, instead of mixing string distance with type unification, function signature search works by mapping names to IDs at the start, reporting to the user any cases where it had to make corrections, and then matches with IDs when going through the items. This only changes function searches. Name searches are left alone, and corrections are only done when there's a single item in the search query.
tests: Add tests for LoongArch64
tidy: remove ENTRY_LIMIT maximum checking and set it to 900 Removes checking of `ENTRY_LIMIT` towards an actually reached maximum, and sets it to 900. The number 900 is safely below github's limit of 1000 entries for a directory. PRs to move tests can still decrease the sizes of various directories, but adjusting the limit won't be neccessary any more. In fact, such reduction PRs are a great idea so that no unrelated PR is hitting the limit: ideally there would always be a (manually maintained) safety margin between the actually reached maximum and `ENTRY_LIMIT`, for all directories. In general, the limit is a bad tool to direct people to put tests into fitting directories because when those are available, usually the limit is not hit, while the limit is hit in directories that have a weak substructure themselves. I got into this situation myself when writing rust-lang#110694: tests/ui/parser is hitting the limit, but has few directories of its own. Suggested by ``@petrochenkov`` in rust-lang#110694 (comment). r? ``@petrochenkov``
Update ICU4X to 1.2 Was released a couple weeks ago. Also needed to make progress on rust-lang#109302 (though this PR does not achieve that part just yet)
Constify slice flatten method ACP: rust-lang/libs-team#218
…errors rustc_middle: Fix `opt_item_ident` for non-local def ids Noticed while working on rust-lang#110855.
…n, r=tmandry Use builtin FFX isolation for Fuchsia test runner FFX has new builtin support for isolating the daemon's environment. This switches the manual isolation originally written to that new builtin feature. r? ```@tmandry```
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Successful merges:
From#97594 (Implement tuple<->array convertions viaFrom)read_link#107978 (Correctly convert an NT path to a Win32 path inread_link)opt_item_identfor non-local def ids #111146 (rustc_middle: Fixopt_item_identfor non-local def ids)Failed merges:
r? @ghost
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