Rollup of 8 pull requests #87269
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Rollup of 8 pull requests #87269
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As of 91c3eee, the global ARGC and ARGV no longer reference dynamically-allocated memory, so they don't need to be cleaned up.
In the command-line argument initialization code, remove the Mutex around the `ARGV` and `ARGC` variables, and simply check whether ARGV is non-null before dereferencing it. This way, if either of ARGV or ARGC is not initialized, we'll get an empty argument list. This allows simple cdylibs to avoid having `pthread_mutex_lock`/`pthread_mutex_unlock` appear in their symbol tables if they don't otherwise use threads.
Previously, we would only look at associated types in `impl` blocks.
Add --nocapture option to rustdoc Fixes rust-lang#26309. Fixes rust-lang#45724. Once this PR is merged, I'll send a PR to cargo to also pass `--nocapture` to rustdoc. cc `@jyn514` r? `@camelid`
…-headers, r=GuillaumeGomez Rustdoc accessibility: make the sidebar headers actual headers Part of rust-lang#87059 Preview it at: https://notriddle.com/notriddle-rustdoc-test/rustdoc-sidebar-header/std/index.html
Move asm! and global_asm! to core::arch Follow-up to rust-lang/stdarch#1183 . Implements the libs-api team decision from rust-lang#84019 (comment) . In order to not break nightly users, this PR also adds the newly-moved items to the prelude. However, a decision will need to be made before stabilization as to whether these items should remain in the prelude. I will file an issue for this separately. Fixes rust-lang#84019 . r? `@Amanieu`
…oshtriplett Simplify command-line argument initialization on unix Simplify Rust's command-line argument initialization code on unix: - The cleanup code isn't needed, because it was just zeroing out non-owning variables at runtime cleanup time. After 91c3eee, Rust's command-line initialization code on unix no longer allocates `CString`s and a `Vec` at startup time. - The `Mutex` isn't needed; if there's somehow a call to `args()` before argument initialization has happened, the code returns return an empty list, which we can do with a null check. With these changes, a simple cdylib that doesn't use threads avoids getting `pthread_mutex_lock`/`pthread_mutex_unlock` in its symbol table.
…otriddle Fix "item info" width Fixes rust-lang#87202. It now looks again like this:  cc `@jyn514` r? `@notriddle`
…li-obk Extend HIR-based WF checking to associated type defaults Previously, we would only look at associated types in `impl` blocks.
…omatsakis triagebot shortcut config Enable the new triagebot shortcuts as per [rust-lang#1381/triagebot](rust-lang/triagebot#1381)
…gisa Don't create references to uninitialized data in `List::from_arena` Previously `result` and `arena_slice` were references pointing to uninitialized data, which is technically UB. They may have been fine because the pointed data is `Copy` and and they were only written to, but the semantics of this aren't clearly defined yet, and since we have a sound way to do the same thing I don't think we should keep the possibly-unsound way.
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@bors: r+ p=8 rollup=never |
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📌 Commit 6cb69ea has been approved by |
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☀️ Test successful - checks-actions |
This was referenced Jul 19, 2021
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Successful merges:
List::from_arena#87268 (Don't create references to uninitialized data inList::from_arena)Failed merges:
r? @ghost
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