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bors e83c45a98b Auto merge of #128219 - connortsui20:rwlock-downgrade, r=tgross35 
Rwlock downgrade

Tracking Issue: #128203

This PR adds a `downgrade` method for `RwLock` / `RwLockWriteGuard` on all currently supported platforms.

Outstanding questions:
- [x] ~~Does the `futex.rs` change affect performance at all? It doesn't seem like it will but we can't be certain until we bench it...~~
- [x] ~~Should the SOLID platform implementation [be ported over](https://github.com/rust-lang/rust/pull/128219#discussion_r1693470090) to the `queue.rs` implementation to allow it to support downgrades?~~
2024-11-18 07:24:12 +00:00
..
alloc alloc: fix String's doc 2024-11-17 15:23:14 +09:00
backtrace@230570f2da Try latest backtrace 2024-08-29 12:13:19 -07:00
core Auto merge of #120370 - x17jiri:likely_unlikely_fix, r=saethlin 2024-11-17 23:57:53 +00:00
panic_abort step cfg(bootstrap) 2024-07-28 14:46:29 -04:00
panic_unwind move strict provenance lints to new feature gate, remove old feature gates 2024-10-21 15:22:17 +01:00
portable-simd move strict provenance lints to new feature gate, remove old feature gates 2024-10-21 15:22:17 +01:00
proc_macro Add a new trait proc_macro::ToTokens 2024-10-27 03:17:05 +01:00
profiler_builtins Run cargo update and update licenses 2024-11-13 12:22:10 +00:00
rtstartup Let InstCombine remove Clone shims inside Clone shims 2024-07-25 15:14:42 -04:00
rustc-std-workspace-alloc Replace libstd, libcore, liballoc in line comments. 2022-12-30 14:00:42 +01:00
rustc-std-workspace-core update rustc-std-workspace crates 2024-11-04 07:45:15 +01:00
rustc-std-workspace-std Switch all libraries to the 2021 edition 2021-12-23 19:03:47 +08:00
std Auto merge of #128219 - connortsui20:rwlock-downgrade, r=tgross35 2024-11-18 07:24:12 +00:00
stdarch@ff9a444503 bump stdarch 2024-10-28 09:42:42 +01:00
sysroot Make profiler_builtins an optional dependency of sysroot, not std 2024-10-17 22:08:36 +11:00
test Change a few &Option<T> into Option<&T> 2024-10-08 23:26:29 -04:00
unwind move strict provenance lints to new feature gate, remove old feature gates 2024-10-21 15:22:17 +01:00
windows_targets Win: Add dbghelp to the list of import libraries 2024-09-06 21:21:49 +00:00
Cargo.lock Run cargo update and update licenses 2024-11-13 12:22:10 +00:00
Cargo.toml Auto merge of #129063 - the8472:cold-opt-size, r=Amanieu 2024-09-02 00:58:50 +00:00