From 16a1ab1eea39a3cab988c34f6cd9cc1f012bcae6 Mon Sep 17 00:00:00 2001 From: ohfp <1813007-ohfp@users.noreply.gitlab.com> Date: Tue, 22 Mar 2022 11:02:20 +0100 Subject: [PATCH] fix aarch64 builds; 98.0.1-ish --- .../revert-crossbeam-crates-upgrade.patch | 3300 +++++++++++++++++ scripts/3_Configure_Source_Code.sh | 5 + 2 files changed, 3305 insertions(+) create mode 100644 deb_patches/revert-crossbeam-crates-upgrade.patch diff --git a/deb_patches/revert-crossbeam-crates-upgrade.patch b/deb_patches/revert-crossbeam-crates-upgrade.patch new file mode 100644 index 0000000..3f21ca0 --- /dev/null +++ b/deb_patches/revert-crossbeam-crates-upgrade.patch @@ -0,0 +1,3300 @@ +Description: Revert the upgrade of crossbeam-* crates that happened in Firefox 98.0, + which resulted in a regression on arm64 where the browser wouldn't draw its window. + This is a temporary measure until the exact cause of the regression is identified and fixed. +Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1757571 +Author: Olivier Tilloy + +diff --git a/Cargo.lock b/Cargo.lock +--- a/Cargo.lock ++++ b/Cargo.lock +@@ -482,7 +482,7 @@ version = "0.1.0" + dependencies = [ + "bits_client", + "comedy", +- "crossbeam-utils 0.8.6", ++ "crossbeam-utils 0.8.5", + "libc", + "log", + "moz_task", +@@ -553,7 +553,7 @@ version = "0.1.2" + source = "registry+https://github.com/rust-lang/crates.io-index" + checksum = "b8e3ff9db740167616e528c509b3618046fc05d337f8f3182d300f4aa977d2bb" + dependencies = [ +- "crossbeam-utils 0.8.6", ++ "crossbeam-utils 0.8.5", + "jobserver", + "num_cpus", + ] +@@ -628,7 +628,7 @@ version = "0.0.1" + dependencies = [ + "base64 0.10.1", + "byteorder", +- "crossbeam-utils 0.8.6", ++ "crossbeam-utils 0.8.5", + "cstr", + "log", + "malloc_size_of_derive", +@@ -975,12 +975,12 @@ dependencies = [ + + [[package]] + name = "crossbeam-channel" +-version = "0.5.2" +-source = "registry+https://github.com/rust-lang/crates.io-index" +-checksum = "e54ea8bc3fb1ee042f5aace6e3c6e025d3874866da222930f70ce62aceba0bfa" ++version = "0.5.1" ++source = "registry+https://github.com/rust-lang/crates.io-index" ++checksum = "06ed27e177f16d65f0f0c22a213e17c696ace5dd64b14258b52f9417ccb52db4" + dependencies = [ + "cfg-if 1.0.0", +- "crossbeam-utils 0.8.6", ++ "crossbeam-utils 0.8.5", + ] + + [[package]] +@@ -1001,8 +1001,8 @@ source = "registry+https://github.com/ru + checksum = "6455c0ca19f0d2fbf751b908d5c55c1f5cbc65e03c4225427254b46890bdde1e" + dependencies = [ + "cfg-if 1.0.0", +- "crossbeam-epoch 0.9.6", +- "crossbeam-utils 0.8.6", ++ "crossbeam-epoch 0.9.5", ++ "crossbeam-utils 0.8.5", + ] + + [[package]] +@@ -1022,12 +1022,12 @@ dependencies = [ + + [[package]] + name = "crossbeam-epoch" +-version = "0.9.6" +-source = "registry+https://github.com/rust-lang/crates.io-index" +-checksum = "97242a70df9b89a65d0b6df3c4bf5b9ce03c5b7309019777fbde37e7537f8762" ++version = "0.9.5" ++source = "registry+https://github.com/rust-lang/crates.io-index" ++checksum = "4ec02e091aa634e2c3ada4a392989e7c3116673ef0ac5b72232439094d73b7fd" + dependencies = [ + "cfg-if 1.0.0", +- "crossbeam-utils 0.8.6", ++ "crossbeam-utils 0.8.5", + "lazy_static", + "memoffset 0.6.5", + "scopeguard", +@@ -1065,9 +1065,9 @@ dependencies = [ + + [[package]] + name = "crossbeam-utils" +-version = "0.8.6" +-source = "registry+https://github.com/rust-lang/crates.io-index" +-checksum = "cfcae03edb34f947e64acdb1c33ec169824e20657e9ecb61cef6c8c74dcb8120" ++version = "0.8.5" ++source = "registry+https://github.com/rust-lang/crates.io-index" ++checksum = "d82cfc11ce7f2c3faef78d8a684447b40d503d9681acebed6cb728d45940c4db" + dependencies = [ + "cfg-if 1.0.0", + "lazy_static", +@@ -2699,7 +2699,7 @@ name = "kvstore" + version = "0.1.0" + dependencies = [ + "atomic_refcell", +- "crossbeam-utils 0.8.6", ++ "crossbeam-utils 0.8.5", + "cstr", + "lazy_static", + "libc", +@@ -4164,7 +4164,7 @@ checksum = "d78120e2c850279833f1dd3582f7 + dependencies = [ + "crossbeam-channel", + "crossbeam-deque 0.8.1", +- "crossbeam-utils 0.8.6", ++ "crossbeam-utils 0.8.5", + "lazy_static", + "num_cpus", + ] +@@ -4348,7 +4348,7 @@ dependencies = [ + "base64 0.13.0", + "blake2b_simd", + "constant_time_eq", +- "crossbeam-utils 0.8.6", ++ "crossbeam-utils 0.8.5", + ] + + [[package]] +@@ -5963,7 +5963,7 @@ dependencies = [ + name = "xulstore" + version = "0.1.0" + dependencies = [ +- "crossbeam-utils 0.8.6", ++ "crossbeam-utils 0.8.5", + "cstr", + "libc", + "log", +diff --git a/third_party/rust/crossbeam-channel/.cargo-checksum.json b/third_party/rust/crossbeam-channel/.cargo-checksum.json +--- a/third_party/rust/crossbeam-channel/.cargo-checksum.json ++++ b/third_party/rust/crossbeam-channel/.cargo-checksum.json +@@ -1,1 +1,1 @@ 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+\ No newline at end of file +diff --git a/third_party/rust/crossbeam-channel/CHANGELOG.md b/third_party/rust/crossbeam-channel/CHANGELOG.md +--- a/third_party/rust/crossbeam-channel/CHANGELOG.md ++++ b/third_party/rust/crossbeam-channel/CHANGELOG.md +@@ -1,7 +1,3 @@ +-# Version 0.5.2 +- +-- Fix stacked borrows violations. (#763, #764) +- + # Version 0.5.1 + + - Fix memory leak in unbounded channel. (#669) +diff --git a/third_party/rust/crossbeam-channel/Cargo.lock b/third_party/rust/crossbeam-channel/Cargo.lock +--- a/third_party/rust/crossbeam-channel/Cargo.lock ++++ b/third_party/rust/crossbeam-channel/Cargo.lock +@@ -3,6 +3,12 @@ + version = 3 + + [[package]] ++name = "autocfg" ++version = "1.0.1" ++source = "registry+https://github.com/rust-lang/crates.io-index" ++checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a" ++ ++[[package]] + name = "cfg-if" + version = "1.0.0" + source = "registry+https://github.com/rust-lang/crates.io-index" +@@ -10,7 +16,7 @@ checksum = "baf1de4339761588bc0619e3cbc0 + + [[package]] + name = "crossbeam-channel" +-version = "0.5.2" ++version = "0.5.1" + dependencies = [ + "cfg-if", + "crossbeam-utils", +@@ -21,19 +27,20 @@ dependencies = [ + + [[package]] + name = "crossbeam-utils" +-version = "0.8.6" ++version = "0.8.3" + source = "registry+https://github.com/rust-lang/crates.io-index" +-checksum = "cfcae03edb34f947e64acdb1c33ec169824e20657e9ecb61cef6c8c74dcb8120" ++checksum = "e7e9d99fa91428effe99c5c6d4634cdeba32b8cf784fc428a2a687f61a952c49" + dependencies = [ ++ "autocfg", + "cfg-if", + "lazy_static", + ] + + [[package]] + name = "getrandom" +-version = "0.2.3" ++version = "0.2.2" + source = "registry+https://github.com/rust-lang/crates.io-index" +-checksum = "7fcd999463524c52659517fe2cea98493cfe485d10565e7b0fb07dbba7ad2753" ++checksum = "c9495705279e7140bf035dde1f6e750c162df8b625267cd52cc44e0b156732c8" + dependencies = [ + "cfg-if", + "libc", +@@ -42,9 +49,9 @@ dependencies = [ + + [[package]] + name = "hermit-abi" +-version = "0.1.19" ++version = "0.1.18" + source = "registry+https://github.com/rust-lang/crates.io-index" +-checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33" ++checksum = "322f4de77956e22ed0e5032c359a0f1273f1f7f0d79bfa3b8ffbc730d7fbcc5c" + dependencies = [ + "libc", + ] +@@ -57,15 +64,15 @@ checksum = "e2abad23fbc42b3700f2f279844d + + [[package]] + name = "libc" +-version = "0.2.112" ++version = "0.2.93" + source = "registry+https://github.com/rust-lang/crates.io-index" +-checksum = "1b03d17f364a3a042d5e5d46b053bbbf82c92c9430c592dd4c064dc6ee997125" ++checksum = "9385f66bf6105b241aa65a61cb923ef20efc665cb9f9bb50ac2f0c4b7f378d41" + + [[package]] + name = "num_cpus" +-version = "1.13.1" ++version = "1.13.0" + source = "registry+https://github.com/rust-lang/crates.io-index" +-checksum = "19e64526ebdee182341572e50e9ad03965aa510cd94427a4549448f285e957a1" ++checksum = "05499f3756671c15885fee9034446956fff3f243d6077b91e5767df161f766b3" + dependencies = [ + "hermit-abi", + "libc", +@@ -73,15 +80,15 @@ dependencies = [ + + [[package]] + name = "ppv-lite86" +-version = "0.2.16" ++version = "0.2.10" + source = "registry+https://github.com/rust-lang/crates.io-index" +-checksum = "eb9f9e6e233e5c4a35559a617bf40a4ec447db2e84c20b55a6f83167b7e57872" ++checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857" + + [[package]] + name = "rand" +-version = "0.8.4" ++version = "0.8.3" + source = "registry+https://github.com/rust-lang/crates.io-index" +-checksum = "2e7573632e6454cf6b99d7aac4ccca54be06da05aca2ef7423d22d27d4d4bcd8" ++checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e" + dependencies = [ + "libc", + "rand_chacha", +@@ -91,9 +98,9 @@ dependencies = [ + + [[package]] + name = "rand_chacha" +-version = "0.3.1" ++version = "0.3.0" + source = "registry+https://github.com/rust-lang/crates.io-index" +-checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88" ++checksum = "e12735cf05c9e10bf21534da50a147b924d555dc7a547c42e6bb2d5b6017ae0d" + dependencies = [ + "ppv-lite86", + "rand_core", +@@ -101,27 +108,27 @@ dependencies = [ + + [[package]] + name = "rand_core" +-version = "0.6.3" ++version = "0.6.2" + source = "registry+https://github.com/rust-lang/crates.io-index" +-checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7" ++checksum = "34cf66eb183df1c5876e2dcf6b13d57340741e8dc255b48e40a26de954d06ae7" + dependencies = [ + "getrandom", + ] + + [[package]] + name = "rand_hc" +-version = "0.3.1" ++version = "0.3.0" + source = "registry+https://github.com/rust-lang/crates.io-index" +-checksum = "d51e9f596de227fda2ea6c84607f5558e196eeaf43c986b724ba4fb8fdf497e7" ++checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73" + dependencies = [ + "rand_core", + ] + + [[package]] + name = "signal-hook" +-version = "0.3.13" ++version = "0.3.8" + source = "registry+https://github.com/rust-lang/crates.io-index" +-checksum = "647c97df271007dcea485bb74ffdb57f2e683f1306c854f468a0c244badabf2d" ++checksum = "ef33d6d0cd06e0840fba9985aab098c147e67e05cee14d412d3345ed14ff30ac" + dependencies = [ + "libc", + "signal-hook-registry", +@@ -129,9 +136,9 @@ dependencies = [ + + [[package]] + name = "signal-hook-registry" +-version = "1.4.0" ++version = "1.3.0" + source = "registry+https://github.com/rust-lang/crates.io-index" +-checksum = "e51e73328dc4ac0c7ccbda3a494dfa03df1de2f46018127f60c693f2648455b0" ++checksum = "16f1d0fef1604ba8f7a073c7e701f213e056707210e9020af4528e0101ce11a6" + dependencies = [ + "libc", + ] +diff --git a/third_party/rust/crossbeam-channel/Cargo.toml b/third_party/rust/crossbeam-channel/Cargo.toml +--- a/third_party/rust/crossbeam-channel/Cargo.toml ++++ b/third_party/rust/crossbeam-channel/Cargo.toml +@@ -3,19 +3,21 @@ + # When uploading crates to the registry Cargo will automatically + # "normalize" Cargo.toml files for maximal compatibility + # with all versions of Cargo and also rewrite `path` dependencies +-# to registry (e.g., crates.io) dependencies. ++# to registry (e.g., crates.io) dependencies + # +-# If you are reading this file be aware that the original Cargo.toml +-# will likely look very different (and much more reasonable). +-# See Cargo.toml.orig for the original contents. ++# If you believe there's an error in this file please file an ++# issue against the rust-lang/cargo repository. If you're ++# editing this file be aware that the upstream Cargo.toml ++# will likely look very different (and much more reasonable) + + [package] + edition = "2018" +-rust-version = "1.36" + name = "crossbeam-channel" +-version = "0.5.2" ++version = "0.5.1" ++authors = ["The Crossbeam Project Developers"] + description = "Multi-producer multi-consumer channels for message passing" + homepage = "https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-channel" ++documentation = "https://docs.rs/crossbeam-channel" + keywords = ["channel", "mpmc", "select", "golang", "message"] + categories = ["algorithms", "concurrency", "data-structures"] + license = "MIT OR Apache-2.0" +diff --git a/third_party/rust/crossbeam-channel/benches/crossbeam.rs b/third_party/rust/crossbeam-channel/benches/crossbeam.rs +--- a/third_party/rust/crossbeam-channel/benches/crossbeam.rs ++++ b/third_party/rust/crossbeam-channel/benches/crossbeam.rs +@@ -13,7 +13,7 @@ mod unbounded { + + #[bench] + fn create(b: &mut Bencher) { +- b.iter(unbounded::); ++ b.iter(|| unbounded::()); + } + + #[bench] +diff --git a/third_party/rust/crossbeam-channel/examples/fibonacci.rs b/third_party/rust/crossbeam-channel/examples/fibonacci.rs +--- a/third_party/rust/crossbeam-channel/examples/fibonacci.rs ++++ b/third_party/rust/crossbeam-channel/examples/fibonacci.rs +@@ -10,7 +10,7 @@ fn fibonacci(sender: Sender) { + while sender.send(x).is_ok() { + let tmp = x; + x = y; +- y += tmp; ++ y = tmp + y; + } + } + +diff --git a/third_party/rust/crossbeam-channel/examples/stopwatch.rs b/third_party/rust/crossbeam-channel/examples/stopwatch.rs +--- a/third_party/rust/crossbeam-channel/examples/stopwatch.rs ++++ b/third_party/rust/crossbeam-channel/examples/stopwatch.rs +@@ -33,7 +33,11 @@ fn main() { + + // Prints the elapsed time. + fn show(dur: Duration) { +- println!("Elapsed: {}.{:03} sec", dur.as_secs(), dur.subsec_millis()); ++ println!( ++ "Elapsed: {}.{:03} sec", ++ dur.as_secs(), ++ dur.subsec_nanos() / 1_000_000 ++ ); + } + + let start = Instant::now(); +diff --git a/third_party/rust/crossbeam-channel/src/context.rs b/third_party/rust/crossbeam-channel/src/context.rs +--- a/third_party/rust/crossbeam-channel/src/context.rs ++++ b/third_party/rust/crossbeam-channel/src/context.rs +@@ -1,8 +1,7 @@ + //! Thread-local context used in select. + + use std::cell::Cell; +-use std::ptr; +-use std::sync::atomic::{AtomicPtr, AtomicUsize, Ordering}; ++use std::sync::atomic::{AtomicUsize, Ordering}; + use std::sync::Arc; + use std::thread::{self, Thread, ThreadId}; + use std::time::Instant; +@@ -12,7 +11,6 @@ use crossbeam_utils::Backoff; + use crate::select::Selected; + + /// Thread-local context used in select. +-// This is a private API that is used by the select macro. + #[derive(Debug, Clone)] + pub struct Context { + inner: Arc, +@@ -25,7 +23,7 @@ struct Inner { + select: AtomicUsize, + + /// A slot into which another thread may store a pointer to its `Packet`. +- packet: AtomicPtr<()>, ++ packet: AtomicUsize, + + /// Thread handle. + thread: Thread, +@@ -47,7 +45,7 @@ impl Context { + } + + let mut f = Some(f); +- let mut f = |cx: &Context| -> R { ++ let mut f = move |cx: &Context| -> R { + let f = f.take().unwrap(); + f(cx) + }; +@@ -71,7 +69,7 @@ impl Context { + Context { + inner: Arc::new(Inner { + select: AtomicUsize::new(Selected::Waiting.into()), +- packet: AtomicPtr::new(ptr::null_mut()), ++ packet: AtomicUsize::new(0), + thread: thread::current(), + thread_id: thread::current().id(), + }), +@@ -84,7 +82,7 @@ impl Context { + self.inner + .select + .store(Selected::Waiting.into(), Ordering::Release); +- self.inner.packet.store(ptr::null_mut(), Ordering::Release); ++ self.inner.packet.store(0, Ordering::Release); + } + + /// Attempts to select an operation. +@@ -114,19 +112,19 @@ impl Context { + /// + /// This method must be called after `try_select` succeeds and there is a packet to provide. + #[inline] +- pub fn store_packet(&self, packet: *mut ()) { +- if !packet.is_null() { ++ pub fn store_packet(&self, packet: usize) { ++ if packet != 0 { + self.inner.packet.store(packet, Ordering::Release); + } + } + + /// Waits until a packet is provided and returns it. + #[inline] +- pub fn wait_packet(&self) -> *mut () { ++ pub fn wait_packet(&self) -> usize { + let backoff = Backoff::new(); + loop { + let packet = self.inner.packet.load(Ordering::Acquire); +- if !packet.is_null() { ++ if packet != 0 { + return packet; + } + backoff.snooze(); +diff --git a/third_party/rust/crossbeam-channel/src/flavors/array.rs b/third_party/rust/crossbeam-channel/src/flavors/array.rs +--- a/third_party/rust/crossbeam-channel/src/flavors/array.rs ++++ b/third_party/rust/crossbeam-channel/src/flavors/array.rs +@@ -10,7 +10,7 @@ + + use std::cell::UnsafeCell; + use std::marker::PhantomData; +-use std::mem::MaybeUninit; ++use std::mem::{self, MaybeUninit}; + use std::ptr; + use std::sync::atomic::{self, AtomicUsize, Ordering}; + use std::time::Instant; +@@ -110,7 +110,7 @@ impl Channel { + // Allocate a buffer of `cap` slots initialized + // with stamps. + let buffer = { +- let boxed: Box<[Slot]> = (0..cap) ++ let mut boxed: Box<[Slot]> = (0..cap) + .map(|i| { + // Set the stamp to `{ lap: 0, mark: 0, index: i }`. + Slot { +@@ -119,7 +119,9 @@ impl Channel { + } + }) + .collect(); +- Box::into_raw(boxed) as *mut Slot ++ let ptr = boxed.as_mut_ptr(); ++ mem::forget(boxed); ++ ptr + }; + + Channel { +diff --git a/third_party/rust/crossbeam-channel/src/flavors/zero.rs b/third_party/rust/crossbeam-channel/src/flavors/zero.rs +--- a/third_party/rust/crossbeam-channel/src/flavors/zero.rs ++++ b/third_party/rust/crossbeam-channel/src/flavors/zero.rs +@@ -6,7 +6,6 @@ use std::cell::UnsafeCell; + use std::marker::PhantomData; + use std::sync::atomic::{AtomicBool, Ordering}; + use std::time::Instant; +-use std::{fmt, ptr}; + + use crossbeam_utils::Backoff; + +@@ -17,19 +16,7 @@ use crate::utils::Spinlock; + use crate::waker::Waker; + + /// A pointer to a packet. +-pub struct ZeroToken(*mut ()); +- +-impl Default for ZeroToken { +- fn default() -> Self { +- Self(ptr::null_mut()) +- } +-} +- +-impl fmt::Debug for ZeroToken { +- fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { +- fmt::Debug::fmt(&(self.0 as usize), f) +- } +-} ++pub(crate) type ZeroToken = usize; + + /// A slot for passing one message from a sender to a receiver. + struct Packet { +@@ -130,10 +117,10 @@ impl Channel { + + // If there's a waiting receiver, pair up with it. + if let Some(operation) = inner.receivers.try_select() { +- token.zero.0 = operation.packet; ++ token.zero = operation.packet; + true + } else if inner.is_disconnected { +- token.zero.0 = ptr::null_mut(); ++ token.zero = 0; + true + } else { + false +@@ -143,11 +130,11 @@ impl Channel { + /// Writes a message into the packet. + pub(crate) unsafe fn write(&self, token: &mut Token, msg: T) -> Result<(), T> { + // If there is no packet, the channel is disconnected. +- if token.zero.0.is_null() { ++ if token.zero == 0 { + return Err(msg); + } + +- let packet = &*(token.zero.0 as *const Packet); ++ let packet = &*(token.zero as *const Packet); + packet.msg.get().write(Some(msg)); + packet.ready.store(true, Ordering::Release); + Ok(()) +@@ -159,10 +146,10 @@ impl Channel { + + // If there's a waiting sender, pair up with it. + if let Some(operation) = inner.senders.try_select() { +- token.zero.0 = operation.packet; ++ token.zero = operation.packet; + true + } else if inner.is_disconnected { +- token.zero.0 = ptr::null_mut(); ++ token.zero = 0; + true + } else { + false +@@ -172,11 +159,11 @@ impl Channel { + /// Reads a message from the packet. + pub(crate) unsafe fn read(&self, token: &mut Token) -> Result { + // If there is no packet, the channel is disconnected. +- if token.zero.0.is_null() { ++ if token.zero == 0 { + return Err(()); + } + +- let packet = &*(token.zero.0 as *const Packet); ++ let packet = &*(token.zero as *const Packet); + + if packet.on_stack { + // The message has been in the packet from the beginning, so there is no need to wait +@@ -190,7 +177,7 @@ impl Channel { + // heap-allocated packet. + packet.wait_ready(); + let msg = packet.msg.get().replace(None).unwrap(); +- drop(Box::from_raw(token.zero.0 as *mut Packet)); ++ drop(Box::from_raw(packet as *const Packet as *mut Packet)); + Ok(msg) + } + } +@@ -202,7 +189,7 @@ impl Channel { + + // If there's a waiting receiver, pair up with it. + if let Some(operation) = inner.receivers.try_select() { +- token.zero.0 = operation.packet; ++ token.zero = operation.packet; + drop(inner); + unsafe { + self.write(token, msg).ok().unwrap(); +@@ -226,7 +213,7 @@ impl Channel { + + // If there's a waiting receiver, pair up with it. + if let Some(operation) = inner.receivers.try_select() { +- token.zero.0 = operation.packet; ++ token.zero = operation.packet; + drop(inner); + unsafe { + self.write(token, msg).ok().unwrap(); +@@ -241,10 +228,10 @@ impl Channel { + Context::with(|cx| { + // Prepare for blocking until a receiver wakes us up. + let oper = Operation::hook(token); +- let mut packet = Packet::::message_on_stack(msg); ++ let packet = Packet::::message_on_stack(msg); + inner + .senders +- .register_with_packet(oper, &mut packet as *mut Packet as *mut (), cx); ++ .register_with_packet(oper, &packet as *const Packet as usize, cx); + inner.receivers.notify(); + drop(inner); + +@@ -279,7 +266,7 @@ impl Channel { + + // If there's a waiting sender, pair up with it. + if let Some(operation) = inner.senders.try_select() { +- token.zero.0 = operation.packet; ++ token.zero = operation.packet; + drop(inner); + unsafe { self.read(token).map_err(|_| TryRecvError::Disconnected) } + } else if inner.is_disconnected { +@@ -296,7 +283,7 @@ impl Channel { + + // If there's a waiting sender, pair up with it. + if let Some(operation) = inner.senders.try_select() { +- token.zero.0 = operation.packet; ++ token.zero = operation.packet; + drop(inner); + unsafe { + return self.read(token).map_err(|_| RecvTimeoutError::Disconnected); +@@ -310,12 +297,10 @@ impl Channel { + Context::with(|cx| { + // Prepare for blocking until a sender wakes us up. + let oper = Operation::hook(token); +- let mut packet = Packet::::empty_on_stack(); +- inner.receivers.register_with_packet( +- oper, +- &mut packet as *mut Packet as *mut (), +- cx, +- ); ++ let packet = Packet::::empty_on_stack(); ++ inner ++ .receivers ++ .register_with_packet(oper, &packet as *const Packet as usize, cx); + inner.senders.notify(); + drop(inner); + +@@ -400,7 +385,7 @@ impl SelectHandle for Receiver<'_, T> + let mut inner = self.0.inner.lock(); + inner + .receivers +- .register_with_packet(oper, packet as *mut (), cx); ++ .register_with_packet(oper, packet as usize, cx); + inner.senders.notify(); + inner.senders.can_select() || inner.is_disconnected + } +@@ -414,7 +399,7 @@ impl SelectHandle for Receiver<'_, T> + } + + fn accept(&self, token: &mut Token, cx: &Context) -> bool { +- token.zero.0 = cx.wait_packet(); ++ token.zero = cx.wait_packet(); + true + } + +@@ -450,7 +435,7 @@ impl SelectHandle for Sender<'_, T> { + let mut inner = self.0.inner.lock(); + inner + .senders +- .register_with_packet(oper, packet as *mut (), cx); ++ .register_with_packet(oper, packet as usize, cx); + inner.receivers.notify(); + inner.receivers.can_select() || inner.is_disconnected + } +@@ -464,7 +449,7 @@ impl SelectHandle for Sender<'_, T> { + } + + fn accept(&self, token: &mut Token, cx: &Context) -> bool { +- token.zero.0 = cx.wait_packet(); ++ token.zero = cx.wait_packet(); + true + } + +diff --git a/third_party/rust/crossbeam-channel/src/select.rs b/third_party/rust/crossbeam-channel/src/select.rs +--- a/third_party/rust/crossbeam-channel/src/select.rs ++++ b/third_party/rust/crossbeam-channel/src/select.rs +@@ -19,7 +19,6 @@ use crate::utils; + /// `read` or `write`. + /// + /// Each field contains data associated with a specific channel flavor. +-// This is a private API that is used by the select macro. + #[derive(Debug, Default)] + pub struct Token { + pub at: flavors::at::AtToken, +@@ -94,7 +93,6 @@ impl Into for Selected { + /// + /// This is a handle that assists select in executing an operation, registration, deciding on the + /// appropriate deadline for blocking, etc. +-// This is a private API (exposed inside crossbeam_channel::internal module) that is used by the select macro. + pub trait SelectHandle { + /// Attempts to select an operation and returns `true` on success. + fn try_select(&self, token: &mut Token) -> bool; +@@ -444,7 +442,6 @@ fn run_ready( + } + + /// Attempts to select one of the operations without blocking. +-// This is a private API (exposed inside crossbeam_channel::internal module) that is used by the select macro. + #[inline] + pub fn try_select<'a>( + handles: &mut [(&'a dyn SelectHandle, usize, *const u8)], +@@ -461,7 +458,6 @@ pub fn try_select<'a>( + } + + /// Blocks until one of the operations becomes ready and selects it. +-// This is a private API (exposed inside crossbeam_channel::internal module) that is used by the select macro. + #[inline] + pub fn select<'a>( + handles: &mut [(&'a dyn SelectHandle, usize, *const u8)], +@@ -480,7 +476,6 @@ pub fn select<'a>( + } + + /// Blocks for a limited time until one of the operations becomes ready and selects it. +-// This is a private API (exposed inside crossbeam_channel::internal module) that is used by the select macro. + #[inline] + pub fn select_timeout<'a>( + handles: &mut [(&'a dyn SelectHandle, usize, *const u8)], +diff --git a/third_party/rust/crossbeam-channel/src/waker.rs b/third_party/rust/crossbeam-channel/src/waker.rs +--- a/third_party/rust/crossbeam-channel/src/waker.rs ++++ b/third_party/rust/crossbeam-channel/src/waker.rs +@@ -1,6 +1,5 @@ + //! Waking mechanism for threads blocked on channel operations. + +-use std::ptr; + use std::sync::atomic::{AtomicBool, Ordering}; + use std::thread::{self, ThreadId}; + +@@ -14,7 +13,7 @@ pub(crate) struct Entry { + pub(crate) oper: Operation, + + /// Optional packet. +- pub(crate) packet: *mut (), ++ pub(crate) packet: usize, + + /// Context associated with the thread owning this operation. + pub(crate) cx: Context, +@@ -45,12 +44,12 @@ impl Waker { + /// Registers a select operation. + #[inline] + pub(crate) fn register(&mut self, oper: Operation, cx: &Context) { +- self.register_with_packet(oper, ptr::null_mut(), cx); ++ self.register_with_packet(oper, 0, cx); + } + + /// Registers a select operation and a packet. + #[inline] +- pub(crate) fn register_with_packet(&mut self, oper: Operation, packet: *mut (), cx: &Context) { ++ pub(crate) fn register_with_packet(&mut self, oper: Operation, packet: usize, cx: &Context) { + self.selectors.push(Entry { + oper, + packet, +@@ -77,26 +76,34 @@ impl Waker { + /// Attempts to find another thread's entry, select the operation, and wake it up. + #[inline] + pub(crate) fn try_select(&mut self) -> Option { +- self.selectors +- .iter() +- .position(|selector| { ++ let mut entry = None; ++ ++ if !self.selectors.is_empty() { ++ let thread_id = current_thread_id(); ++ ++ for i in 0..self.selectors.len() { + // Does the entry belong to a different thread? +- selector.cx.thread_id() != current_thread_id() +- && selector // Try selecting this operation. +- .cx +- .try_select(Selected::Operation(selector.oper)) +- .is_ok() +- && { ++ if self.selectors[i].cx.thread_id() != thread_id { ++ // Try selecting this operation. ++ let sel = Selected::Operation(self.selectors[i].oper); ++ let res = self.selectors[i].cx.try_select(sel); ++ ++ if res.is_ok() { + // Provide the packet. +- selector.cx.store_packet(selector.packet); ++ self.selectors[i].cx.store_packet(self.selectors[i].packet); + // Wake the thread up. +- selector.cx.unpark(); +- true ++ self.selectors[i].cx.unpark(); ++ ++ // Remove the entry from the queue to keep it clean and improve ++ // performance. ++ entry = Some(self.selectors.remove(i)); ++ break; + } +- }) +- // Remove the entry from the queue to keep it clean and improve +- // performance. +- .map(|pos| self.selectors.remove(pos)) ++ } ++ } ++ } ++ ++ entry + } + + /// Returns `true` if there is an entry which can be selected by the current thread. +@@ -118,7 +125,7 @@ impl Waker { + pub(crate) fn watch(&mut self, oper: Operation, cx: &Context) { + self.observers.push(Entry { + oper, +- packet: ptr::null_mut(), ++ packet: 0, + cx: cx.clone(), + }); + } +@@ -262,7 +269,7 @@ impl SyncWaker { + impl Drop for SyncWaker { + #[inline] + fn drop(&mut self) { +- debug_assert!(self.is_empty.load(Ordering::SeqCst)); ++ debug_assert_eq!(self.is_empty.load(Ordering::SeqCst), true); + } + } + +diff --git a/third_party/rust/crossbeam-channel/tests/after.rs b/third_party/rust/crossbeam-channel/tests/after.rs +--- a/third_party/rust/crossbeam-channel/tests/after.rs ++++ b/third_party/rust/crossbeam-channel/tests/after.rs +@@ -1,7 +1,5 @@ + //! Tests for the after channel flavor. + +-#![cfg(not(miri))] // TODO: many assertions failed due to Miri is slow +- + use std::sync::atomic::AtomicUsize; + use std::sync::atomic::Ordering; + use std::thread; +@@ -58,20 +56,20 @@ fn len_empty_full() { + let r = after(ms(50)); + + assert_eq!(r.len(), 0); +- assert!(r.is_empty()); +- assert!(!r.is_full()); ++ assert_eq!(r.is_empty(), true); ++ assert_eq!(r.is_full(), false); + + thread::sleep(ms(100)); + + assert_eq!(r.len(), 1); +- assert!(!r.is_empty()); +- assert!(r.is_full()); ++ assert_eq!(r.is_empty(), false); ++ assert_eq!(r.is_full(), true); + + r.try_recv().unwrap(); + + assert_eq!(r.len(), 0); +- assert!(r.is_empty()); +- assert!(!r.is_full()); ++ assert_eq!(r.is_empty(), true); ++ assert_eq!(r.is_full(), false); + } + + #[test] +@@ -213,7 +211,7 @@ fn select() { + break; + } + i => { +- oper.recv(v[i]).unwrap(); ++ oper.recv(&v[i]).unwrap(); + hits.fetch_add(1, Ordering::SeqCst); + } + } +diff --git a/third_party/rust/crossbeam-channel/tests/array.rs b/third_party/rust/crossbeam-channel/tests/array.rs +--- a/third_party/rust/crossbeam-channel/tests/array.rs ++++ b/third_party/rust/crossbeam-channel/tests/array.rs +@@ -1,7 +1,5 @@ + //! Tests for the array channel flavor. + +-#![cfg(not(miri))] // TODO: many assertions failed due to Miri is slow +- + use std::any::Any; + use std::sync::atomic::AtomicUsize; + use std::sync::atomic::Ordering; +@@ -45,38 +43,38 @@ fn len_empty_full() { + let (s, r) = bounded(2); + + assert_eq!(s.len(), 0); +- assert!(s.is_empty()); +- assert!(!s.is_full()); ++ assert_eq!(s.is_empty(), true); ++ assert_eq!(s.is_full(), false); + assert_eq!(r.len(), 0); +- assert!(r.is_empty()); +- assert!(!r.is_full()); ++ assert_eq!(r.is_empty(), true); ++ assert_eq!(r.is_full(), false); + + s.send(()).unwrap(); + + assert_eq!(s.len(), 1); +- assert!(!s.is_empty()); +- assert!(!s.is_full()); ++ assert_eq!(s.is_empty(), false); ++ assert_eq!(s.is_full(), false); + assert_eq!(r.len(), 1); +- assert!(!r.is_empty()); +- assert!(!r.is_full()); ++ assert_eq!(r.is_empty(), false); ++ assert_eq!(r.is_full(), false); + + s.send(()).unwrap(); + + assert_eq!(s.len(), 2); +- assert!(!s.is_empty()); +- assert!(s.is_full()); ++ assert_eq!(s.is_empty(), false); ++ assert_eq!(s.is_full(), true); + assert_eq!(r.len(), 2); +- assert!(!r.is_empty()); +- assert!(r.is_full()); ++ assert_eq!(r.is_empty(), false); ++ assert_eq!(r.is_full(), true); + + r.recv().unwrap(); + + assert_eq!(s.len(), 1); +- assert!(!s.is_empty()); +- assert!(!s.is_full()); ++ assert_eq!(s.is_empty(), false); ++ assert_eq!(s.is_full(), false); + assert_eq!(r.len(), 1); +- assert!(!r.is_empty()); +- assert!(!r.is_full()); ++ assert_eq!(r.is_empty(), false); ++ assert_eq!(r.is_full(), false); + } + + #[test] +diff --git a/third_party/rust/crossbeam-channel/tests/golang.rs b/third_party/rust/crossbeam-channel/tests/golang.rs +--- a/third_party/rust/crossbeam-channel/tests/golang.rs ++++ b/third_party/rust/crossbeam-channel/tests/golang.rs +@@ -9,8 +9,6 @@ + //! - https://golang.org/LICENSE + //! - https://golang.org/PATENTS + +-#![allow(clippy::mutex_atomic, clippy::redundant_clone)] +- + use std::alloc::{GlobalAlloc, Layout, System}; + use std::any::Any; + use std::cell::Cell; +@@ -178,7 +176,7 @@ unsafe impl GlobalAlloc for Counter { + if !ret.is_null() { + ALLOCATED.fetch_add(layout.size(), SeqCst); + } +- ret ++ return ret; + } + + unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) { +@@ -234,9 +232,6 @@ macro_rules! go { + mod doubleselect { + use super::*; + +- #[cfg(miri)] +- const ITERATIONS: i32 = 100; +- #[cfg(not(miri))] + const ITERATIONS: i32 = 10_000; + + fn sender(n: i32, c1: Chan, c2: Chan, c3: Chan, c4: Chan) { +@@ -696,11 +691,6 @@ mod select { + mod select2 { + use super::*; + +- #[cfg(miri)] +- const N: i32 = 1000; +- #[cfg(not(miri))] +- const N: i32 = 100000; +- + #[test] + fn main() { + fn sender(c: &Chan, n: i32) { +@@ -712,7 +702,9 @@ mod select2 { + fn receiver(c: &Chan, dummy: &Chan, n: i32) { + for _ in 0..n { + select! { +- recv(c.rx()) -> _ => {} ++ recv(c.rx()) -> _ => { ++ () ++ } + recv(dummy.rx()) -> _ => { + panic!("dummy"); + } +@@ -725,18 +717,15 @@ mod select2 { + + ALLOCATED.store(0, SeqCst); + +- go!(c, sender(&c, N)); +- receiver(&c, &dummy, N); ++ go!(c, sender(&c, 100000)); ++ receiver(&c, &dummy, 100000); + + let alloc = ALLOCATED.load(SeqCst); + +- go!(c, sender(&c, N)); +- receiver(&c, &dummy, N); ++ go!(c, sender(&c, 100000)); ++ receiver(&c, &dummy, 100000); + +- assert!( +- !(ALLOCATED.load(SeqCst) > alloc +- && (ALLOCATED.load(SeqCst) - alloc) > (N as usize + 10000)) +- ) ++ assert!(!(ALLOCATED.load(SeqCst) > alloc && (ALLOCATED.load(SeqCst) - alloc) > 110000)) + } + } + +@@ -924,9 +913,6 @@ mod chan_test { + + #[test] + fn test_chan() { +- #[cfg(miri)] +- const N: i32 = 20; +- #[cfg(not(miri))] + const N: i32 = 200; + + for cap in 0..N { +@@ -1066,9 +1052,6 @@ mod chan_test { + + #[test] + fn test_nonblock_recv_race() { +- #[cfg(miri)] +- const N: usize = 100; +- #[cfg(not(miri))] + const N: usize = 1000; + + for _ in 0..N { +@@ -1090,9 +1073,6 @@ mod chan_test { + + #[test] + fn test_nonblock_select_race() { +- #[cfg(miri)] +- const N: usize = 100; +- #[cfg(not(miri))] + const N: usize = 1000; + + let done = make::(1); +@@ -1126,9 +1106,6 @@ mod chan_test { + + #[test] + fn test_nonblock_select_race2() { +- #[cfg(miri)] +- const N: usize = 100; +- #[cfg(not(miri))] + const N: usize = 1000; + + let done = make::(1); +@@ -1165,11 +1142,6 @@ mod chan_test { + // Ensure that send/recv on the same chan in select + // does not crash nor deadlock. + +- #[cfg(miri)] +- const N: usize = 100; +- #[cfg(not(miri))] +- const N: usize = 1000; +- + for &cap in &[0, 10] { + let wg = WaitGroup::new(); + wg.add(2); +@@ -1179,7 +1151,7 @@ mod chan_test { + let p = p; + go!(wg, p, c, { + defer! { wg.done() } +- for i in 0..N { ++ for i in 0..1000 { + if p == 0 || i % 2 == 0 { + select! { + send(c.tx(), p) -> _ => {} +@@ -1208,11 +1180,6 @@ mod chan_test { + + #[test] + fn test_select_stress() { +- #[cfg(miri)] +- const N: usize = 100; +- #[cfg(not(miri))] +- const N: usize = 10000; +- + let c = vec![ + make::(0), + make::(0), +@@ -1220,6 +1187,8 @@ mod chan_test { + make::(3), + ]; + ++ const N: usize = 10000; ++ + // There are 4 goroutines that send N values on each of the chans, + // + 4 goroutines that receive N values on each of the chans, + // + 1 goroutine that sends N values on each of the chans in a single select, +@@ -1317,9 +1286,6 @@ mod chan_test { + + #[test] + fn test_select_fairness() { +- #[cfg(miri)] +- const TRIALS: usize = 100; +- #[cfg(not(miri))] + const TRIALS: usize = 10000; + + let c1 = make::(TRIALS + 1); +@@ -1403,9 +1369,6 @@ mod chan_test { + + #[test] + fn test_pseudo_random_send() { +- #[cfg(miri)] +- const N: usize = 20; +- #[cfg(not(miri))] + const N: usize = 100; + + for cap in 0..N { +@@ -1449,9 +1412,6 @@ mod chan_test { + #[test] + fn test_multi_consumer() { + const NWORK: usize = 23; +- #[cfg(miri)] +- const NITER: usize = 100; +- #[cfg(not(miri))] + const NITER: usize = 271828; + + let pn = [2, 3, 7, 11, 13, 17, 19, 23, 27, 31]; +@@ -1550,9 +1510,6 @@ mod chan1 { + use super::*; + + // sent messages +- #[cfg(miri)] +- const N: usize = 100; +- #[cfg(not(miri))] + const N: usize = 1000; + // receiving "goroutines" + const M: usize = 10; +diff --git a/third_party/rust/crossbeam-channel/tests/iter.rs b/third_party/rust/crossbeam-channel/tests/iter.rs +--- a/third_party/rust/crossbeam-channel/tests/iter.rs ++++ b/third_party/rust/crossbeam-channel/tests/iter.rs +@@ -93,7 +93,7 @@ fn recv_into_iter_owned() { + + assert_eq!(iter.next().unwrap(), 1); + assert_eq!(iter.next().unwrap(), 2); +- assert!(iter.next().is_none()); ++ assert_eq!(iter.next().is_none(), true); + } + + #[test] +@@ -106,5 +106,5 @@ fn recv_into_iter_borrowed() { + let mut iter = (&r).into_iter(); + assert_eq!(iter.next().unwrap(), 1); + assert_eq!(iter.next().unwrap(), 2); +- assert!(iter.next().is_none()); ++ assert_eq!(iter.next().is_none(), true); + } +diff --git a/third_party/rust/crossbeam-channel/tests/list.rs b/third_party/rust/crossbeam-channel/tests/list.rs +--- a/third_party/rust/crossbeam-channel/tests/list.rs ++++ b/third_party/rust/crossbeam-channel/tests/list.rs +@@ -41,29 +41,29 @@ fn len_empty_full() { + let (s, r) = unbounded(); + + assert_eq!(s.len(), 0); +- assert!(s.is_empty()); +- assert!(!s.is_full()); ++ assert_eq!(s.is_empty(), true); ++ assert_eq!(s.is_full(), false); + assert_eq!(r.len(), 0); +- assert!(r.is_empty()); +- assert!(!r.is_full()); ++ assert_eq!(r.is_empty(), true); ++ assert_eq!(r.is_full(), false); + + s.send(()).unwrap(); + + assert_eq!(s.len(), 1); +- assert!(!s.is_empty()); +- assert!(!s.is_full()); ++ assert_eq!(s.is_empty(), false); ++ assert_eq!(s.is_full(), false); + assert_eq!(r.len(), 1); +- assert!(!r.is_empty()); +- assert!(!r.is_full()); ++ assert_eq!(r.is_empty(), false); ++ assert_eq!(r.is_full(), false); + + r.recv().unwrap(); + + assert_eq!(s.len(), 0); +- assert!(s.is_empty()); +- assert!(!s.is_full()); ++ assert_eq!(s.is_empty(), true); ++ assert_eq!(s.is_full(), false); + assert_eq!(r.len(), 0); +- assert!(r.is_empty()); +- assert!(!r.is_full()); ++ assert_eq!(r.is_empty(), true); ++ assert_eq!(r.is_full(), false); + } + + #[test] +@@ -239,9 +239,6 @@ fn disconnect_wakes_receiver() { + + #[test] + fn spsc() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 100_000; + + let (s, r) = unbounded(); +@@ -264,9 +261,6 @@ fn spsc() { + + #[test] + fn mpmc() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 25_000; + const THREADS: usize = 4; + +@@ -301,9 +295,6 @@ fn mpmc() { + + #[test] + fn stress_oneshot() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 10_000; + + for _ in 0..COUNT { +@@ -319,9 +310,6 @@ fn stress_oneshot() { + + #[test] + fn stress_iter() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 100_000; + + let (request_s, request_r) = unbounded(); +@@ -383,11 +371,8 @@ fn stress_timeout_two_threads() { + .unwrap(); + } + +-#[cfg_attr(miri, ignore)] // Miri is too slow + #[test] + fn drops() { +- const RUNS: usize = 100; +- + static DROPS: AtomicUsize = AtomicUsize::new(0); + + #[derive(Debug, PartialEq)] +@@ -401,7 +386,7 @@ fn drops() { + + let mut rng = thread_rng(); + +- for _ in 0..RUNS { ++ for _ in 0..100 { + let steps = rng.gen_range(0..10_000); + let additional = rng.gen_range(0..1000); + +@@ -436,9 +421,6 @@ fn drops() { + + #[test] + fn linearizable() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 25_000; + const THREADS: usize = 4; + +@@ -459,9 +441,6 @@ fn linearizable() { + + #[test] + fn fairness() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 10_000; + + let (s1, r1) = unbounded::<()>(); +@@ -484,9 +463,6 @@ fn fairness() { + + #[test] + fn fairness_duplicates() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 10_000; + + let (s, r) = unbounded(); +@@ -520,9 +496,6 @@ fn recv_in_send() { + + #[test] + fn channel_through_channel() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 1000; + + type T = Box; +diff --git a/third_party/rust/crossbeam-channel/tests/mpsc.rs b/third_party/rust/crossbeam-channel/tests/mpsc.rs +--- a/third_party/rust/crossbeam-channel/tests/mpsc.rs ++++ b/third_party/rust/crossbeam-channel/tests/mpsc.rs +@@ -20,12 +20,6 @@ + //! - https://github.com/rust-lang/rust/blob/master/COPYRIGHT + //! - https://www.rust-lang.org/en-US/legal.html + +-#![allow( +- clippy::drop_copy, +- clippy::match_single_binding, +- clippy::redundant_clone +-)] +- + use std::sync::mpsc::{RecvError, RecvTimeoutError, TryRecvError}; + use std::sync::mpsc::{SendError, TrySendError}; + use std::thread::JoinHandle; +@@ -182,7 +176,7 @@ macro_rules! select { + ) => ({ + cc::crossbeam_channel_internal! { + $( +- $meth(($rx).inner) -> res => { ++ recv(($rx).inner) -> res => { + let $name = res.map_err(|_| ::std::sync::mpsc::RecvError); + $code + } +@@ -320,18 +314,13 @@ mod channel_tests { + + #[test] + fn stress() { +- #[cfg(miri)] +- const COUNT: usize = 500; +- #[cfg(not(miri))] +- const COUNT: usize = 10000; +- + let (tx, rx) = channel::(); + let t = thread::spawn(move || { +- for _ in 0..COUNT { ++ for _ in 0..10000 { + tx.send(1).unwrap(); + } + }); +- for _ in 0..COUNT { ++ for _ in 0..10000 { + assert_eq!(rx.recv().unwrap(), 1); + } + t.join().ok().unwrap(); +@@ -339,9 +328,6 @@ mod channel_tests { + + #[test] + fn stress_shared() { +- #[cfg(miri)] +- const AMT: u32 = 500; +- #[cfg(not(miri))] + const AMT: u32 = 10000; + const NTHREADS: u32 = 8; + let (tx, rx) = channel::(); +@@ -350,7 +336,10 @@ mod channel_tests { + for _ in 0..AMT * NTHREADS { + assert_eq!(rx.recv().unwrap(), 1); + } +- assert!(rx.try_recv().is_err()); ++ match rx.try_recv() { ++ Ok(..) => panic!(), ++ _ => {} ++ } + }); + + let mut ts = Vec::with_capacity(NTHREADS as usize); +@@ -746,17 +735,12 @@ mod channel_tests { + + #[test] + fn recv_a_lot() { +- #[cfg(miri)] +- const N: usize = 100; +- #[cfg(not(miri))] +- const N: usize = 10000; +- + // Regression test that we don't run out of stack in scheduler context + let (tx, rx) = channel(); +- for _ in 0..N { ++ for _ in 0..10000 { + tx.send(()).unwrap(); + } +- for _ in 0..N { ++ for _ in 0..10000 { + rx.recv().unwrap(); + } + } +@@ -896,7 +880,7 @@ mod channel_tests { + }; + assert_eq!(iter.next().unwrap(), 1); + assert_eq!(iter.next().unwrap(), 2); +- assert!(iter.next().is_none()); ++ assert_eq!(iter.next().is_none(), true); + } + + #[test] +@@ -908,7 +892,7 @@ mod channel_tests { + let mut iter = (&rx).into_iter(); + assert_eq!(iter.next().unwrap(), 1); + assert_eq!(iter.next().unwrap(), 2); +- assert!(iter.next().is_none()); ++ assert_eq!(iter.next().is_none(), true); + } + + #[test] +@@ -1095,18 +1079,13 @@ mod sync_channel_tests { + + #[test] + fn stress() { +- #[cfg(miri)] +- const N: usize = 100; +- #[cfg(not(miri))] +- const N: usize = 10000; +- + let (tx, rx) = sync_channel::(0); + let t = thread::spawn(move || { +- for _ in 0..N { ++ for _ in 0..10000 { + tx.send(1).unwrap(); + } + }); +- for _ in 0..N { ++ for _ in 0..10000 { + assert_eq!(rx.recv().unwrap(), 1); + } + t.join().unwrap(); +@@ -1114,15 +1093,10 @@ mod sync_channel_tests { + + #[test] + fn stress_recv_timeout_two_threads() { +- #[cfg(miri)] +- const N: usize = 100; +- #[cfg(not(miri))] +- const N: usize = 10000; +- + let (tx, rx) = sync_channel::(0); + + let t = thread::spawn(move || { +- for _ in 0..N { ++ for _ in 0..10000 { + tx.send(1).unwrap(); + } + }); +@@ -1139,15 +1113,12 @@ mod sync_channel_tests { + } + } + +- assert_eq!(recv_count, N); ++ assert_eq!(recv_count, 10000); + t.join().unwrap(); + } + + #[test] + fn stress_recv_timeout_shared() { +- #[cfg(miri)] +- const AMT: u32 = 100; +- #[cfg(not(miri))] + const AMT: u32 = 1000; + const NTHREADS: u32 = 8; + let (tx, rx) = sync_channel::(0); +@@ -1194,9 +1165,6 @@ mod sync_channel_tests { + + #[test] + fn stress_shared() { +- #[cfg(miri)] +- const AMT: u32 = 100; +- #[cfg(not(miri))] + const AMT: u32 = 1000; + const NTHREADS: u32 = 8; + let (tx, rx) = sync_channel::(0); +@@ -1206,7 +1174,10 @@ mod sync_channel_tests { + for _ in 0..AMT * NTHREADS { + assert_eq!(rx.recv().unwrap(), 1); + } +- assert!(rx.try_recv().is_err()); ++ match rx.try_recv() { ++ Ok(..) => panic!(), ++ _ => {} ++ } + dtx.send(()).unwrap(); + }); + +@@ -1478,17 +1449,12 @@ mod sync_channel_tests { + + #[test] + fn recv_a_lot() { +- #[cfg(miri)] +- const N: usize = 100; +- #[cfg(not(miri))] +- const N: usize = 10000; +- + // Regression test that we don't run out of stack in scheduler context +- let (tx, rx) = sync_channel(N); +- for _ in 0..N { ++ let (tx, rx) = sync_channel(10000); ++ for _ in 0..10000 { + tx.send(()).unwrap(); + } +- for _ in 0..N { ++ for _ in 0..10000 { + rx.recv().unwrap(); + } + } +@@ -1826,11 +1792,7 @@ mod select_tests { + + #[test] + fn stress() { +- #[cfg(miri)] +- const AMT: i32 = 100; +- #[cfg(not(miri))] + const AMT: i32 = 10000; +- + let (tx1, rx1) = channel::(); + let (tx2, rx2) = channel::(); + let (tx3, rx3) = channel::<()>(); +diff --git a/third_party/rust/crossbeam-channel/tests/never.rs b/third_party/rust/crossbeam-channel/tests/never.rs +--- a/third_party/rust/crossbeam-channel/tests/never.rs ++++ b/third_party/rust/crossbeam-channel/tests/never.rs +@@ -65,8 +65,8 @@ fn capacity() { + fn len_empty_full() { + let r = never::(); + assert_eq!(r.len(), 0); +- assert!(r.is_empty()); +- assert!(r.is_full()); ++ assert_eq!(r.is_empty(), true); ++ assert_eq!(r.is_full(), true); + } + + #[test] +diff --git a/third_party/rust/crossbeam-channel/tests/ready.rs b/third_party/rust/crossbeam-channel/tests/ready.rs +--- a/third_party/rust/crossbeam-channel/tests/ready.rs ++++ b/third_party/rust/crossbeam-channel/tests/ready.rs +@@ -1,7 +1,5 @@ + //! Tests for channel readiness using the `Select` struct. + +-#![allow(clippy::drop_copy)] +- + use std::any::Any; + use std::cell::Cell; + use std::thread; +@@ -492,9 +490,6 @@ fn nesting() { + + #[test] + fn stress_recv() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 10_000; + + let (s1, r1) = unbounded(); +@@ -532,9 +527,6 @@ fn stress_recv() { + + #[test] + fn stress_send() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 10_000; + + let (s1, r1) = bounded(0); +@@ -569,9 +561,6 @@ fn stress_send() { + + #[test] + fn stress_mixed() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 10_000; + + let (s1, r1) = bounded(0); +@@ -677,9 +666,6 @@ fn send_recv_same_channel() { + + #[test] + fn channel_through_channel() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 1000; + + type T = Box; +@@ -736,9 +722,6 @@ fn channel_through_channel() { + + #[test] + fn fairness1() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 10_000; + + let (s1, r1) = bounded::<()>(COUNT); +@@ -784,9 +767,6 @@ fn fairness1() { + + #[test] + fn fairness2() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 100_000; + + let (s1, r1) = unbounded::<()>(); +diff --git a/third_party/rust/crossbeam-channel/tests/select.rs b/third_party/rust/crossbeam-channel/tests/select.rs +--- a/third_party/rust/crossbeam-channel/tests/select.rs ++++ b/third_party/rust/crossbeam-channel/tests/select.rs +@@ -1,7 +1,5 @@ + //! Tests for channel selection using the `Select` struct. + +-#![allow(clippy::drop_copy)] +- + use std::any::Any; + use std::cell::Cell; + use std::thread; +@@ -408,7 +406,6 @@ fn both_ready() { + .unwrap(); + } + +-#[cfg_attr(miri, ignore)] // Miri is too slow + #[test] + fn loop_try() { + const RUNS: usize = 20; +@@ -693,9 +690,6 @@ fn nesting() { + + #[test] + fn stress_recv() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 10_000; + + let (s1, r1) = unbounded(); +@@ -734,9 +728,6 @@ fn stress_recv() { + + #[test] + fn stress_send() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 10_000; + + let (s1, r1) = bounded(0); +@@ -772,9 +763,6 @@ fn stress_send() { + + #[test] + fn stress_mixed() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 10_000; + + let (s1, r1) = bounded(0); +@@ -907,12 +895,12 @@ fn matching() { + for i in 0..THREADS { + scope.spawn(move |_| { + let mut sel = Select::new(); +- let oper1 = sel.recv(r); +- let oper2 = sel.send(s); ++ let oper1 = sel.recv(&r); ++ let oper2 = sel.send(&s); + let oper = sel.select(); + match oper.index() { +- ix if ix == oper1 => assert_ne!(oper.recv(r), Ok(i)), +- ix if ix == oper2 => assert!(oper.send(s, i).is_ok()), ++ ix if ix == oper1 => assert_ne!(oper.recv(&r), Ok(i)), ++ ix if ix == oper2 => assert!(oper.send(&s, i).is_ok()), + _ => unreachable!(), + } + }); +@@ -933,12 +921,12 @@ fn matching_with_leftover() { + for i in 0..THREADS { + scope.spawn(move |_| { + let mut sel = Select::new(); +- let oper1 = sel.recv(r); +- let oper2 = sel.send(s); ++ let oper1 = sel.recv(&r); ++ let oper2 = sel.send(&s); + let oper = sel.select(); + match oper.index() { +- ix if ix == oper1 => assert_ne!(oper.recv(r), Ok(i)), +- ix if ix == oper2 => assert!(oper.send(s, i).is_ok()), ++ ix if ix == oper1 => assert_ne!(oper.recv(&r), Ok(i)), ++ ix if ix == oper2 => assert!(oper.send(&s, i).is_ok()), + _ => unreachable!(), + } + }); +@@ -952,9 +940,6 @@ fn matching_with_leftover() { + + #[test] + fn channel_through_channel() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 1000; + + type T = Box; +@@ -1013,9 +998,6 @@ fn channel_through_channel() { + + #[test] + fn linearizable_try() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 100_000; + + for step in 0..2 { +@@ -1068,9 +1050,6 @@ fn linearizable_try() { + + #[test] + fn linearizable_timeout() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 100_000; + + for step in 0..2 { +@@ -1123,9 +1102,6 @@ fn linearizable_timeout() { + + #[test] + fn fairness1() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 10_000; + + let (s1, r1) = bounded::<()>(COUNT); +@@ -1172,9 +1148,6 @@ fn fairness1() { + + #[test] + fn fairness2() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 10_000; + + let (s1, r1) = unbounded::<()>(); +@@ -1239,8 +1212,8 @@ fn sync_and_clone() { + let (s, r) = &bounded::(0); + + let mut sel = Select::new(); +- let oper1 = sel.recv(r); +- let oper2 = sel.send(s); ++ let oper1 = sel.recv(&r); ++ let oper2 = sel.send(&s); + let sel = &sel; + + scope(|scope| { +@@ -1249,8 +1222,8 @@ fn sync_and_clone() { + let mut sel = sel.clone(); + let oper = sel.select(); + match oper.index() { +- ix if ix == oper1 => assert_ne!(oper.recv(r), Ok(i)), +- ix if ix == oper2 => assert!(oper.send(s, i).is_ok()), ++ ix if ix == oper1 => assert_ne!(oper.recv(&r), Ok(i)), ++ ix if ix == oper2 => assert!(oper.send(&s, i).is_ok()), + _ => unreachable!(), + } + }); +@@ -1268,8 +1241,8 @@ fn send_and_clone() { + let (s, r) = &bounded::(0); + + let mut sel = Select::new(); +- let oper1 = sel.recv(r); +- let oper2 = sel.send(s); ++ let oper1 = sel.recv(&r); ++ let oper2 = sel.send(&s); + + scope(|scope| { + for i in 0..THREADS { +@@ -1277,8 +1250,8 @@ fn send_and_clone() { + scope.spawn(move |_| { + let oper = sel.select(); + match oper.index() { +- ix if ix == oper1 => assert_ne!(oper.recv(r), Ok(i)), +- ix if ix == oper2 => assert!(oper.send(s, i).is_ok()), ++ ix if ix == oper1 => assert_ne!(oper.recv(&r), Ok(i)), ++ ix if ix == oper2 => assert!(oper.send(&s, i).is_ok()), + _ => unreachable!(), + } + }); +@@ -1291,9 +1264,6 @@ fn send_and_clone() { + + #[test] + fn reuse() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 10_000; + + let (s1, r1) = bounded(0); +diff --git a/third_party/rust/crossbeam-channel/tests/select_macro.rs b/third_party/rust/crossbeam-channel/tests/select_macro.rs +--- a/third_party/rust/crossbeam-channel/tests/select_macro.rs ++++ b/third_party/rust/crossbeam-channel/tests/select_macro.rs +@@ -1,7 +1,6 @@ + //! Tests for the `select!` macro. + + #![forbid(unsafe_code)] // select! is safe. +-#![allow(clippy::drop_copy, clippy::match_single_binding)] + + use std::any::Any; + use std::cell::Cell; +@@ -284,7 +283,6 @@ fn both_ready() { + .unwrap(); + } + +-#[cfg_attr(miri, ignore)] // Miri is too slow + #[test] + fn loop_try() { + const RUNS: usize = 20; +@@ -487,9 +485,6 @@ fn panic_receiver() { + + #[test] + fn stress_recv() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 10_000; + + let (s1, r1) = unbounded(); +@@ -523,9 +518,6 @@ fn stress_recv() { + + #[test] + fn stress_send() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 10_000; + + let (s1, r1) = bounded(0); +@@ -556,9 +548,6 @@ fn stress_send() { + + #[test] + fn stress_mixed() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 10_000; + + let (s1, r1) = bounded(0); +@@ -692,9 +681,6 @@ fn matching_with_leftover() { + + #[test] + fn channel_through_channel() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 1000; + + type T = Box; +@@ -740,9 +726,6 @@ fn channel_through_channel() { + + #[test] + fn linearizable_default() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 100_000; + + for step in 0..2 { +@@ -787,9 +770,6 @@ fn linearizable_default() { + + #[test] + fn linearizable_timeout() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 100_000; + + for step in 0..2 { +@@ -834,9 +814,6 @@ fn linearizable_timeout() { + + #[test] + fn fairness1() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 10_000; + + let (s1, r1) = bounded::<()>(COUNT); +@@ -861,9 +838,6 @@ fn fairness1() { + + #[test] + fn fairness2() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 10_000; + + let (s1, r1) = unbounded::<()>(); +@@ -901,9 +875,6 @@ fn fairness2() { + + #[test] + fn fairness_recv() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 10_000; + + let (s1, r1) = bounded::<()>(COUNT); +@@ -926,9 +897,6 @@ fn fairness_recv() { + + #[test] + fn fairness_send() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 10_000; + + let (s1, _r1) = bounded::<()>(COUNT); +@@ -944,7 +912,6 @@ fn fairness_send() { + assert!(hits.iter().all(|x| *x >= COUNT / 4)); + } + +-#[allow(clippy::or_fun_call)] // This is intentional. + #[test] + fn references() { + let (s, r) = unbounded::(); +@@ -991,7 +958,6 @@ fn case_blocks() { + drop(s); + } + +-#[allow(clippy::redundant_closure_call)] // This is intentional. + #[test] + fn move_handles() { + let (s, r) = unbounded::(); +diff --git a/third_party/rust/crossbeam-channel/tests/thread_locals.rs b/third_party/rust/crossbeam-channel/tests/thread_locals.rs +--- a/third_party/rust/crossbeam-channel/tests/thread_locals.rs ++++ b/third_party/rust/crossbeam-channel/tests/thread_locals.rs +@@ -1,7 +1,5 @@ + //! Tests that make sure accessing thread-locals while exiting the thread doesn't cause panics. + +-#![cfg(not(miri))] // error: abnormal termination: the evaluated program aborted execution +- + use std::thread; + use std::time::Duration; + +diff --git a/third_party/rust/crossbeam-channel/tests/tick.rs b/third_party/rust/crossbeam-channel/tests/tick.rs +--- a/third_party/rust/crossbeam-channel/tests/tick.rs ++++ b/third_party/rust/crossbeam-channel/tests/tick.rs +@@ -1,7 +1,5 @@ + //! Tests for the tick channel flavor. + +-#![cfg(not(miri))] // TODO: many assertions failed due to Miri is slow +- + use std::sync::atomic::AtomicUsize; + use std::sync::atomic::Ordering; + use std::thread; +@@ -80,20 +78,20 @@ fn len_empty_full() { + let r = tick(ms(50)); + + assert_eq!(r.len(), 0); +- assert!(r.is_empty()); +- assert!(!r.is_full()); ++ assert_eq!(r.is_empty(), true); ++ assert_eq!(r.is_full(), false); + + thread::sleep(ms(100)); + + assert_eq!(r.len(), 1); +- assert!(!r.is_empty()); +- assert!(r.is_full()); ++ assert_eq!(r.is_empty(), false); ++ assert_eq!(r.is_full(), true); + + r.try_recv().unwrap(); + + assert_eq!(r.len(), 0); +- assert!(r.is_empty()); +- assert!(!r.is_full()); ++ assert_eq!(r.is_empty(), true); ++ assert_eq!(r.is_full(), false); + } + + #[test] +diff --git a/third_party/rust/crossbeam-channel/tests/zero.rs b/third_party/rust/crossbeam-channel/tests/zero.rs +--- a/third_party/rust/crossbeam-channel/tests/zero.rs ++++ b/third_party/rust/crossbeam-channel/tests/zero.rs +@@ -35,11 +35,11 @@ fn len_empty_full() { + let (s, r) = bounded(0); + + assert_eq!(s.len(), 0); +- assert!(s.is_empty()); +- assert!(s.is_full()); ++ assert_eq!(s.is_empty(), true); ++ assert_eq!(s.is_full(), true); + assert_eq!(r.len(), 0); +- assert!(r.is_empty()); +- assert!(r.is_full()); ++ assert_eq!(r.is_empty(), true); ++ assert_eq!(r.is_full(), true); + + scope(|scope| { + scope.spawn(|_| s.send(0).unwrap()); +@@ -48,11 +48,11 @@ fn len_empty_full() { + .unwrap(); + + assert_eq!(s.len(), 0); +- assert!(s.is_empty()); +- assert!(s.is_full()); ++ assert_eq!(s.is_empty(), true); ++ assert_eq!(s.is_full(), true); + assert_eq!(r.len(), 0); +- assert!(r.is_empty()); +- assert!(r.is_full()); ++ assert_eq!(r.is_empty(), true); ++ assert_eq!(r.is_full(), true); + } + + #[test] +@@ -187,9 +187,6 @@ fn send_timeout() { + + #[test] + fn len() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 25_000; + + let (s, r) = bounded(0); +@@ -252,9 +249,6 @@ fn disconnect_wakes_receiver() { + + #[test] + fn spsc() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 100_000; + + let (s, r) = bounded(0); +@@ -277,9 +271,6 @@ fn spsc() { + + #[test] + fn mpmc() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 25_000; + const THREADS: usize = 4; + +@@ -312,9 +303,6 @@ fn mpmc() { + + #[test] + fn stress_oneshot() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 10_000; + + for _ in 0..COUNT { +@@ -328,7 +316,6 @@ fn stress_oneshot() { + } + } + +-#[cfg_attr(miri, ignore)] // Miri is too slow + #[test] + fn stress_iter() { + const COUNT: usize = 1000; +@@ -396,11 +383,8 @@ fn stress_timeout_two_threads() { + .unwrap(); + } + +-#[cfg_attr(miri, ignore)] // Miri is too slow + #[test] + fn drops() { +- const RUNS: usize = 100; +- + static DROPS: AtomicUsize = AtomicUsize::new(0); + + #[derive(Debug, PartialEq)] +@@ -414,7 +398,7 @@ fn drops() { + + let mut rng = thread_rng(); + +- for _ in 0..RUNS { ++ for _ in 0..100 { + let steps = rng.gen_range(0..3_000); + + DROPS.store(0, Ordering::SeqCst); +@@ -444,9 +428,6 @@ fn drops() { + + #[test] + fn fairness() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 10_000; + + let (s1, r1) = bounded::<()>(0); +@@ -478,9 +459,6 @@ fn fairness() { + + #[test] + fn fairness_duplicates() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 10_000; + + let (s, r) = bounded::<()>(0); +@@ -539,9 +517,6 @@ fn recv_in_send() { + + #[test] + fn channel_through_channel() { +- #[cfg(miri)] +- const COUNT: usize = 100; +- #[cfg(not(miri))] + const COUNT: usize = 1000; + + type T = Box; +diff --git a/third_party/rust/crossbeam-epoch/.cargo-checksum.json b/third_party/rust/crossbeam-epoch/.cargo-checksum.json +--- a/third_party/rust/crossbeam-epoch/.cargo-checksum.json ++++ b/third_party/rust/crossbeam-epoch/.cargo-checksum.json +@@ -1,1 +1,1 @@ 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+\ No newline at end of file +diff --git a/third_party/rust/crossbeam-epoch/CHANGELOG.md b/third_party/rust/crossbeam-epoch/CHANGELOG.md +--- a/third_party/rust/crossbeam-epoch/CHANGELOG.md ++++ b/third_party/rust/crossbeam-epoch/CHANGELOG.md +@@ -1,16 +1,12 @@ +-# Version 0.9.6 +- +-- Add `Atomic::fetch_update`. (#706) +- + # Version 0.9.5 + +-- Fix UB in `Pointable` impl of `[MaybeUninit]`. (#694) +-- Support targets that do not have atomic CAS on stable Rust. (#698) +-- Fix breakage with nightly feature due to rust-lang/rust#84510. (#692) ++- Fix UB in `Pointable` impl of `[MaybeUninit]` (#694) ++- Support targets that do not have atomic CAS on stable Rust (#698) ++- Fix breakage with nightly feature due to rust-lang/rust#84510 (#692) + + # Version 0.9.4 + +-- Fix UB in `<[MaybeUninit] as Pointable>::init` when global allocator failed allocation. (#690) ++- Fix UB in `<[MaybeUninit] as Pointable>::init` when global allocator failed allocation (#690) + - Bump `loom` dependency to version 0.5. (#686) + + # Version 0.9.3 +diff --git a/third_party/rust/crossbeam-epoch/Cargo.lock b/third_party/rust/crossbeam-epoch/Cargo.lock +--- a/third_party/rust/crossbeam-epoch/Cargo.lock ++++ b/third_party/rust/crossbeam-epoch/Cargo.lock +@@ -3,15 +3,6 @@ + version = 3 + + [[package]] +-name = "ansi_term" +-version = "0.12.1" +-source = "registry+https://github.com/rust-lang/crates.io-index" +-checksum = "d52a9bb7ec0cf484c551830a7ce27bd20d67eac647e1befb56b0be4ee39a55d2" +-dependencies = [ +- "winapi", +-] +- +-[[package]] + name = "autocfg" + version = "1.0.1" + source = "registry+https://github.com/rust-lang/crates.io-index" +@@ -19,9 +10,9 @@ checksum = "cdb031dd78e28731d87d56cc8ffe + + [[package]] + name = "cc" +-version = "1.0.72" ++version = "1.0.68" + source = "registry+https://github.com/rust-lang/crates.io-index" +-checksum = "22a9137b95ea06864e018375b72adfb7db6e6f68cfc8df5a04d00288050485ee" ++checksum = "4a72c244c1ff497a746a7e1fb3d14bd08420ecda70c8f25c7112f2781652d787" + + [[package]] + name = "cfg-if" +@@ -31,13 +22,13 @@ checksum = "baf1de4339761588bc0619e3cbc0 + + [[package]] + name = "const_fn" +-version = "0.4.9" ++version = "0.4.8" + source = "registry+https://github.com/rust-lang/crates.io-index" +-checksum = "fbdcdcb6d86f71c5e97409ad45898af11cbc995b4ee8112d59095a28d376c935" ++checksum = "f92cfa0fd5690b3cf8c1ef2cabbd9b7ef22fa53cf5e1f92b05103f6d5d1cf6e7" + + [[package]] + name = "crossbeam-epoch" +-version = "0.9.6" ++version = "0.9.5" + dependencies = [ + "cfg-if", + "const_fn", +@@ -51,9 +42,9 @@ dependencies = [ + + [[package]] + name = "crossbeam-utils" +-version = "0.8.6" ++version = "0.8.5" + source = "registry+https://github.com/rust-lang/crates.io-index" +-checksum = "cfcae03edb34f947e64acdb1c33ec169824e20657e9ecb61cef6c8c74dcb8120" ++checksum = "d82cfc11ce7f2c3faef78d8a684447b40d503d9681acebed6cb728d45940c4db" + dependencies = [ + "cfg-if", + "lazy_static", +@@ -92,9 +83,9 @@ checksum = "e2abad23fbc42b3700f2f279844d + + [[package]] + name 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++version = "0.3.0" + source = "registry+https://github.com/rust-lang/crates.io-index" +-checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88" ++checksum = "e12735cf05c9e10bf21534da50a147b924d555dc7a547c42e6bb2d5b6017ae0d" + dependencies = [ + "ppv-lite86", + "rand_core", +@@ -196,51 +146,27 @@ dependencies = [ + + [[package]] + name = "rand_core" +-version = "0.6.3" ++version = "0.6.2" + source = "registry+https://github.com/rust-lang/crates.io-index" +-checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7" ++checksum = "34cf66eb183df1c5876e2dcf6b13d57340741e8dc255b48e40a26de954d06ae7" + dependencies = [ + "getrandom", + ] + + [[package]] + name = "rand_hc" +-version = "0.3.1" ++version = "0.3.0" + source = "registry+https://github.com/rust-lang/crates.io-index" +-checksum = "d51e9f596de227fda2ea6c84607f5558e196eeaf43c986b724ba4fb8fdf497e7" ++checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73" + dependencies = [ 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If you're ++# editing this file be aware that the upstream Cargo.toml ++# will likely look very different (and much more reasonable) + + [package] + edition = "2018" +-rust-version = "1.36" + name = "crossbeam-epoch" +-version = "0.9.6" ++version = "0.9.5" ++authors = ["The Crossbeam Project Developers"] + description = "Epoch-based garbage collection" + homepage = "https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-epoch" ++documentation = "https://docs.rs/crossbeam-epoch" + keywords = ["lock-free", "rcu", "atomic", "garbage"] + categories = ["concurrency", "memory-management", "no-std"] + license = "MIT OR Apache-2.0" +diff --git a/third_party/rust/crossbeam-epoch/benches/pin.rs b/third_party/rust/crossbeam-epoch/benches/pin.rs +--- a/third_party/rust/crossbeam-epoch/benches/pin.rs ++++ b/third_party/rust/crossbeam-epoch/benches/pin.rs +@@ -8,7 +8,7 @@ use test::Bencher; + + #[bench] + fn single_pin(b: &mut Bencher) { +- b.iter(epoch::pin); ++ b.iter(|| epoch::pin()); + } + + #[bench] +diff --git a/third_party/rust/crossbeam-epoch/build.rs b/third_party/rust/crossbeam-epoch/build.rs +--- a/third_party/rust/crossbeam-epoch/build.rs ++++ b/third_party/rust/crossbeam-epoch/build.rs +@@ -4,19 +4,9 @@ use std::env; + + include!("no_atomic.rs"); + +-// The rustc-cfg listed below are considered public API, but it is *unstable* +-// and outside of the normal semver guarantees: +-// +-// - `crossbeam_no_atomic_cas` +-// Assume the target does *not* support atomic CAS operations. +-// This is usually detected automatically by the build script, but you may +-// need to enable it manually when building for custom targets or using +-// non-cargo build systems that don't run the build script. +-// +-// With the exceptions mentioned above, the rustc-cfg strings below are +-// *not* public API. Please let us know by opening a GitHub issue if your build +-// environment requires some way to enable these cfgs other than by executing +-// our build script. ++// The rustc-cfg strings below are *not* public API. Please let us know by ++// opening a GitHub issue if your build environment requires some way to enable ++// these cfgs other than by executing our build script. + fn main() { + let target = match env::var("TARGET") { + Ok(target) => target, +diff --git a/third_party/rust/crossbeam-epoch/no_atomic.rs b/third_party/rust/crossbeam-epoch/no_atomic.rs +--- a/third_party/rust/crossbeam-epoch/no_atomic.rs ++++ b/third_party/rust/crossbeam-epoch/no_atomic.rs +@@ -3,8 +3,6 @@ + + const NO_ATOMIC_CAS: &[&str] = &[ + "avr-unknown-gnu-atmega328", +- "bpfeb-unknown-none", +- "bpfel-unknown-none", + "msp430-none-elf", + "riscv32i-unknown-none-elf", + "riscv32imc-unknown-none-elf", +@@ -23,7 +21,6 @@ const NO_ATOMIC_64: &[&str] = &[ + "armv7r-none-eabi", + "armv7r-none-eabihf", + "hexagon-unknown-linux-musl", +- "m68k-unknown-linux-gnu", + "mips-unknown-linux-gnu", + "mips-unknown-linux-musl", + "mips-unknown-linux-uclibc", +@@ -33,7 +30,6 @@ const NO_ATOMIC_64: &[&str] = &[ + "mipsel-unknown-none", + "mipsisa32r6-unknown-linux-gnu", + "mipsisa32r6el-unknown-linux-gnu", +- "powerpc-unknown-freebsd", + "powerpc-unknown-linux-gnu", + "powerpc-unknown-linux-gnuspe", + "powerpc-unknown-linux-musl", +@@ -44,14 +40,12 @@ const NO_ATOMIC_64: &[&str] = &[ + "riscv32gc-unknown-linux-gnu", + "riscv32gc-unknown-linux-musl", + "riscv32imac-unknown-none-elf", +- "riscv32imc-esp-espidf", + "thumbv7em-none-eabi", + "thumbv7em-none-eabihf", + "thumbv7m-none-eabi", + "thumbv8m.base-none-eabi", + "thumbv8m.main-none-eabi", + "thumbv8m.main-none-eabihf", +- "armv6k-nintendo-3ds", + "mipsel-sony-psp", + "thumbv4t-none-eabi", + "thumbv6m-none-eabi", +diff --git a/third_party/rust/crossbeam-epoch/src/atomic.rs b/third_party/rust/crossbeam-epoch/src/atomic.rs +--- a/third_party/rust/crossbeam-epoch/src/atomic.rs ++++ b/third_party/rust/crossbeam-epoch/src/atomic.rs +@@ -562,65 +562,6 @@ impl Atomic { + }) + } + +- /// Fetches the pointer, and then applies a function to it that returns a new value. +- /// Returns a `Result` of `Ok(previous_value)` if the function returned `Some`, else `Err(_)`. +- /// +- /// Note that the given function may be called multiple times if the value has been changed by +- /// other threads in the meantime, as long as the function returns `Some(_)`, but the function +- /// will have been applied only once to the stored value. +- /// +- /// `fetch_update` takes two [`Ordering`] arguments to describe the memory +- /// ordering of this operation. The first describes the required ordering for +- /// when the operation finally succeeds while the second describes the +- /// required ordering for loads. These correspond to the success and failure +- /// orderings of [`Atomic::compare_exchange`] respectively. +- /// +- /// Using [`Acquire`] as success ordering makes the store part of this +- /// operation [`Relaxed`], and using [`Release`] makes the final successful +- /// load [`Relaxed`]. The (failed) load ordering can only be [`SeqCst`], +- /// [`Acquire`] or [`Relaxed`] and must be equivalent to or weaker than the +- /// success ordering. +- /// +- /// [`Relaxed`]: Ordering::Relaxed +- /// [`Acquire`]: Ordering::Acquire +- /// [`Release`]: Ordering::Release +- /// [`SeqCst`]: Ordering::SeqCst +- /// +- /// # Examples +- /// +- /// ``` +- /// use crossbeam_epoch::{self as epoch, Atomic}; +- /// use std::sync::atomic::Ordering::SeqCst; +- /// +- /// let a = Atomic::new(1234); +- /// let guard = &epoch::pin(); +- /// +- /// let res1 = a.fetch_update(SeqCst, SeqCst, guard, |x| Some(x.with_tag(1))); +- /// assert!(res1.is_ok()); +- /// +- /// let res2 = a.fetch_update(SeqCst, SeqCst, guard, |x| None); +- /// assert!(res2.is_err()); +- /// ``` +- pub fn fetch_update<'g, F>( +- &self, +- set_order: Ordering, +- fail_order: Ordering, +- guard: &'g Guard, +- mut func: F, +- ) -> Result, Shared<'g, T>> +- where +- F: FnMut(Shared<'g, T>) -> Option>, +- { +- let mut prev = self.load(fail_order, guard); +- while let Some(next) = func(prev) { +- match self.compare_exchange_weak(prev, next, set_order, fail_order, guard) { +- Ok(shared) => return Ok(shared), +- Err(next_prev) => prev = next_prev.current, +- } +- } +- Err(prev) +- } +- + /// Stores the pointer `new` (either `Shared` or `Owned`) into the atomic pointer if the current + /// value is the same as `current`. The tag is also taken into account, so two pointers to the + /// same object, but with different tags, will not be considered equal. +diff --git a/third_party/rust/crossbeam-epoch/src/collector.rs b/third_party/rust/crossbeam-epoch/src/collector.rs +--- a/third_party/rust/crossbeam-epoch/src/collector.rs ++++ b/third_party/rust/crossbeam-epoch/src/collector.rs +@@ -178,18 +178,13 @@ mod tests { + + #[test] + fn pin_holds_advance() { +- #[cfg(miri)] +- const N: usize = 500; +- #[cfg(not(miri))] +- const N: usize = 500_000; +- + let collector = Collector::new(); + + thread::scope(|scope| { + for _ in 0..NUM_THREADS { + scope.spawn(|_| { + let handle = collector.register(); +- for _ in 0..N { ++ for _ in 0..500_000 { + let guard = &handle.pin(); + + let before = collector.global.epoch.load(Ordering::Relaxed); +@@ -207,9 +202,6 @@ mod tests { + #[cfg(not(crossbeam_sanitize))] // TODO: assertions failed due to `cfg(crossbeam_sanitize)` reduce `internal::MAX_OBJECTS` + #[test] + fn incremental() { +- #[cfg(miri)] +- const COUNT: usize = 500; +- #[cfg(not(miri))] + const COUNT: usize = 100_000; + static DESTROYS: AtomicUsize = AtomicUsize::new(0); + +@@ -238,16 +230,12 @@ mod tests { + let guard = &handle.pin(); + collector.global.collect(guard); + } +- assert!(DESTROYS.load(Ordering::Relaxed) == COUNT); ++ assert!(DESTROYS.load(Ordering::Relaxed) == 100_000); + } + + #[test] + fn buffering() { + const COUNT: usize = 10; +- #[cfg(miri)] +- const N: usize = 500; +- #[cfg(not(miri))] +- const N: usize = 100_000; + static DESTROYS: AtomicUsize = AtomicUsize::new(0); + + let collector = Collector::new(); +@@ -264,7 +252,7 @@ mod tests { + } + } + +- for _ in 0..N { ++ for _ in 0..100_000 { + collector.global.collect(&handle.pin()); + } + assert!(DESTROYS.load(Ordering::Relaxed) < COUNT); +@@ -280,9 +268,6 @@ mod tests { + + #[test] + fn count_drops() { +- #[cfg(miri)] +- const COUNT: usize = 500; +- #[cfg(not(miri))] + const COUNT: usize = 100_000; + static DROPS: AtomicUsize = AtomicUsize::new(0); + +@@ -316,9 +301,6 @@ mod tests { + + #[test] + fn count_destroy() { +- #[cfg(miri)] +- const COUNT: usize = 500; +- #[cfg(not(miri))] + const COUNT: usize = 100_000; + static DESTROYS: AtomicUsize = AtomicUsize::new(0); + +@@ -385,9 +367,6 @@ mod tests { + + #[test] + fn destroy_array() { +- #[cfg(miri)] +- const COUNT: usize = 500; +- #[cfg(not(miri))] + const COUNT: usize = 100_000; + static DESTROYS: AtomicUsize = AtomicUsize::new(0); + +@@ -423,9 +402,6 @@ mod tests { + #[test] + fn stress() { + const THREADS: usize = 8; +- #[cfg(miri)] +- const COUNT: usize = 500; +- #[cfg(not(miri))] + const COUNT: usize = 100_000; + static DROPS: AtomicUsize = AtomicUsize::new(0); + +diff --git a/third_party/rust/crossbeam-epoch/src/deferred.rs b/third_party/rust/crossbeam-epoch/src/deferred.rs +--- a/third_party/rust/crossbeam-epoch/src/deferred.rs ++++ b/third_party/rust/crossbeam-epoch/src/deferred.rs +@@ -81,8 +81,6 @@ impl Deferred { + + #[cfg(all(test, not(crossbeam_loom)))] + mod tests { +- #![allow(clippy::drop_copy)] +- + use super::Deferred; + use std::cell::Cell; + +diff --git a/third_party/rust/crossbeam-epoch/src/internal.rs b/third_party/rust/crossbeam-epoch/src/internal.rs +--- a/third_party/rust/crossbeam-epoch/src/internal.rs ++++ b/third_party/rust/crossbeam-epoch/src/internal.rs +@@ -101,7 +101,7 @@ impl Bag { + + /// Seals the bag with the given epoch. + fn seal(self, epoch: Epoch) -> SealedBag { +- SealedBag { epoch, _bag: self } ++ SealedBag { epoch, bag: self } + } + } + +@@ -216,7 +216,7 @@ fn no_op_func() {} + #[derive(Default, Debug)] + struct SealedBag { + epoch: Epoch, +- _bag: Bag, ++ bag: Bag, + } + + /// It is safe to share `SealedBag` because `is_expired` only inspects the epoch. +@@ -311,7 +311,7 @@ impl Global { + // TODO(stjepang): `Local`s are stored in a linked list because linked lists are fairly + // easy to implement in a lock-free manner. However, traversal can be slow due to cache + // misses and data dependencies. We should experiment with other data structures as well. +- for local in self.locals.iter(guard) { ++ for local in self.locals.iter(&guard) { + match local { + Err(IterError::Stalled) => { + // A concurrent thread stalled this iteration. That thread might also try to +diff --git a/third_party/rust/crossbeam-epoch/src/sync/queue.rs b/third_party/rust/crossbeam-epoch/src/sync/queue.rs +--- a/third_party/rust/crossbeam-epoch/src/sync/queue.rs ++++ b/third_party/rust/crossbeam-epoch/src/sync/queue.rs +@@ -259,9 +259,6 @@ mod test { + } + } + +- #[cfg(miri)] +- const CONC_COUNT: i64 = 1000; +- #[cfg(not(miri))] + const CONC_COUNT: i64 = 1000000; + + #[test] +@@ -425,8 +422,8 @@ mod test { + + let mut vl2 = vl.clone(); + let mut vr2 = vr.clone(); +- vl2.sort_unstable(); +- vr2.sort_unstable(); ++ vl2.sort(); ++ vr2.sort(); + + assert_eq!(vl, vl2); + assert_eq!(vr, vr2); +diff --git a/third_party/rust/crossbeam-utils/.cargo-checksum.json b/third_party/rust/crossbeam-utils/.cargo-checksum.json +--- a/third_party/rust/crossbeam-utils/.cargo-checksum.json ++++ b/third_party/rust/crossbeam-utils/.cargo-checksum.json +@@ -1,1 +1,1 @@ 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+\ No newline at end of file +diff --git a/third_party/rust/crossbeam-utils/CHANGELOG.md b/third_party/rust/crossbeam-utils/CHANGELOG.md +--- a/third_party/rust/crossbeam-utils/CHANGELOG.md ++++ b/third_party/rust/crossbeam-utils/CHANGELOG.md +@@ -1,12 +1,7 @@ +-# Version 0.8.6 +- +-- Re-add `AtomicCell<{i,u}64>::{fetch_add,fetch_sub,fetch_and,fetch_or,fetch_xor}` that were accidentally removed in 0.8.0 on targets that do not support `Atomic{I,U}64`. (#767) +-- Re-add `AtomicCell<{i,u}128>::{fetch_add,fetch_sub,fetch_and,fetch_or,fetch_xor}` that were accidentally removed in 0.8.0. (#767) +- + # Version 0.8.5 + +-- Add `AtomicCell::fetch_update`. (#704) +-- Support targets that do not have atomic CAS on stable Rust. (#698) ++- Add `AtomicCell::fetch_update` (#704) ++- Support targets that do not have atomic CAS on stable Rust (#698) + + # Version 0.8.4 + +diff --git a/third_party/rust/crossbeam-utils/Cargo.toml b/third_party/rust/crossbeam-utils/Cargo.toml +--- a/third_party/rust/crossbeam-utils/Cargo.toml ++++ b/third_party/rust/crossbeam-utils/Cargo.toml +@@ -3,19 +3,21 @@ + # When uploading crates to the registry Cargo will automatically + # "normalize" Cargo.toml files for maximal compatibility + # with all versions of Cargo and also rewrite `path` dependencies +-# to registry (e.g., crates.io) dependencies. ++# to registry (e.g., crates.io) dependencies + # +-# If you are reading this file be aware that the original Cargo.toml +-# will likely look very different (and much more reasonable). +-# See Cargo.toml.orig for the original contents. ++# If you believe there's an error in this file please file an ++# issue against the rust-lang/cargo repository. If you're ++# editing this file be aware that the upstream Cargo.toml ++# will likely look very different (and much more reasonable) + + [package] + edition = "2018" +-rust-version = "1.36" + name = "crossbeam-utils" +-version = "0.8.6" ++version = "0.8.5" ++authors = ["The Crossbeam Project Developers"] + description = "Utilities for concurrent programming" + homepage = "https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-utils" ++documentation = "https://docs.rs/crossbeam-utils" + keywords = ["scoped", "thread", "atomic", "cache"] + categories = ["algorithms", "concurrency", "data-structures", "no-std"] + license = "MIT OR Apache-2.0" +@@ -29,9 +31,6 @@ optional = true + [dev-dependencies.rand] + version = "0.8" + +-[dev-dependencies.rustversion] +-version = "1" +- + [features] + default = ["std"] + nightly = [] +diff --git a/third_party/rust/crossbeam-utils/build.rs b/third_party/rust/crossbeam-utils/build.rs +--- a/third_party/rust/crossbeam-utils/build.rs ++++ b/third_party/rust/crossbeam-utils/build.rs +@@ -4,31 +4,9 @@ use std::env; + + include!("no_atomic.rs"); + +-// The rustc-cfg listed below are considered public API, but it is *unstable* +-// and outside of the normal semver guarantees: +-// +-// - `crossbeam_no_atomic_cas` +-// Assume the target does *not* support atomic CAS operations. +-// This is usually detected automatically by the build script, but you may +-// need to enable it manually when building for custom targets or using +-// non-cargo build systems that don't run the build script. +-// +-// - `crossbeam_no_atomic` +-// Assume the target does *not* support any atomic operations. +-// This is usually detected automatically by the build script, but you may +-// need to enable it manually when building for custom targets or using +-// non-cargo build systems that don't run the build script. +-// +-// - `crossbeam_no_atomic_64` +-// Assume the target does *not* support AtomicU64/AtomicI64. +-// This is usually detected automatically by the build script, but you may +-// need to enable it manually when building for custom targets or using +-// non-cargo build systems that don't run the build script. +-// +-// With the exceptions mentioned above, the rustc-cfg strings below are +-// *not* public API. Please let us know by opening a GitHub issue if your build +-// environment requires some way to enable these cfgs other than by executing +-// our build script. ++// The rustc-cfg strings below are *not* public API. Please let us know by ++// opening a GitHub issue if your build environment requires some way to enable ++// these cfgs other than by executing our build script. + fn main() { + let target = match env::var("TARGET") { + Ok(target) => target, +diff --git a/third_party/rust/crossbeam-utils/no_atomic.rs b/third_party/rust/crossbeam-utils/no_atomic.rs +--- a/third_party/rust/crossbeam-utils/no_atomic.rs ++++ b/third_party/rust/crossbeam-utils/no_atomic.rs +@@ -3,8 +3,6 @@ + + const NO_ATOMIC_CAS: &[&str] = &[ + "avr-unknown-gnu-atmega328", +- "bpfeb-unknown-none", +- "bpfel-unknown-none", + "msp430-none-elf", + "riscv32i-unknown-none-elf", + "riscv32imc-unknown-none-elf", +@@ -23,7 +21,6 @@ const NO_ATOMIC_64: &[&str] = &[ + "armv7r-none-eabi", + "armv7r-none-eabihf", + "hexagon-unknown-linux-musl", +- "m68k-unknown-linux-gnu", + "mips-unknown-linux-gnu", + "mips-unknown-linux-musl", + "mips-unknown-linux-uclibc", +@@ -33,7 +30,6 @@ const NO_ATOMIC_64: &[&str] = &[ + "mipsel-unknown-none", + "mipsisa32r6-unknown-linux-gnu", + "mipsisa32r6el-unknown-linux-gnu", +- "powerpc-unknown-freebsd", + "powerpc-unknown-linux-gnu", + "powerpc-unknown-linux-gnuspe", + "powerpc-unknown-linux-musl", +@@ -44,14 +40,12 @@ const NO_ATOMIC_64: &[&str] = &[ + "riscv32gc-unknown-linux-gnu", + "riscv32gc-unknown-linux-musl", + "riscv32imac-unknown-none-elf", +- "riscv32imc-esp-espidf", + "thumbv7em-none-eabi", + "thumbv7em-none-eabihf", + "thumbv7m-none-eabi", + "thumbv8m.base-none-eabi", + "thumbv8m.main-none-eabi", + "thumbv8m.main-none-eabihf", +- "armv6k-nintendo-3ds", + "mipsel-sony-psp", + "thumbv4t-none-eabi", + "thumbv6m-none-eabi", +diff --git a/third_party/rust/crossbeam-utils/src/atomic/atomic_cell.rs b/third_party/rust/crossbeam-utils/src/atomic/atomic_cell.rs +--- a/third_party/rust/crossbeam-utils/src/atomic/atomic_cell.rs ++++ b/third_party/rust/crossbeam-utils/src/atomic/atomic_cell.rs +@@ -295,7 +295,7 @@ impl AtomicCell { + } + + macro_rules! impl_arithmetic { +- ($t:ty, fallback, $example:tt) => { ++ ($t:ty, $example:tt) => { + impl AtomicCell<$t> { + /// Increments the current value by `val` and returns the previous value. + /// +@@ -313,13 +313,10 @@ macro_rules! impl_arithmetic { + /// ``` + #[inline] + pub fn fetch_add(&self, val: $t) -> $t { +- #[cfg(crossbeam_loom)] +- { +- let _ = val; +- unimplemented!("loom does not support non-atomic atomic ops"); +- } +- #[cfg(not(crossbeam_loom))] +- { ++ if can_transmute::<$t, atomic::AtomicUsize>() { ++ let a = unsafe { &*(self.value.get() as *const atomic::AtomicUsize) }; ++ a.fetch_add(val as usize, Ordering::AcqRel) as $t ++ } else { + let _guard = lock(self.value.get() as usize).write(); + let value = unsafe { &mut *(self.value.get()) }; + let old = *value; +@@ -344,13 +341,10 @@ macro_rules! impl_arithmetic { + /// ``` + #[inline] + pub fn fetch_sub(&self, val: $t) -> $t { +- #[cfg(crossbeam_loom)] +- { +- let _ = val; +- unimplemented!("loom does not support non-atomic atomic ops"); +- } +- #[cfg(not(crossbeam_loom))] +- { ++ if can_transmute::<$t, atomic::AtomicUsize>() { ++ let a = unsafe { &*(self.value.get() as *const atomic::AtomicUsize) }; ++ a.fetch_sub(val as usize, Ordering::AcqRel) as $t ++ } else { + let _guard = lock(self.value.get() as usize).write(); + let value = unsafe { &mut *(self.value.get()) }; + let old = *value; +@@ -373,13 +367,10 @@ macro_rules! impl_arithmetic { + /// ``` + #[inline] + pub fn fetch_and(&self, val: $t) -> $t { +- #[cfg(crossbeam_loom)] +- { +- let _ = val; +- unimplemented!("loom does not support non-atomic atomic ops"); +- } +- #[cfg(not(crossbeam_loom))] +- { ++ if can_transmute::<$t, atomic::AtomicUsize>() { ++ let a = unsafe { &*(self.value.get() as *const atomic::AtomicUsize) }; ++ a.fetch_and(val as usize, Ordering::AcqRel) as $t ++ } else { + let _guard = lock(self.value.get() as usize).write(); + let value = unsafe { &mut *(self.value.get()) }; + let old = *value; +@@ -402,13 +393,10 @@ macro_rules! impl_arithmetic { + /// ``` + #[inline] + pub fn fetch_or(&self, val: $t) -> $t { +- #[cfg(crossbeam_loom)] +- { +- let _ = val; +- unimplemented!("loom does not support non-atomic atomic ops"); +- } +- #[cfg(not(crossbeam_loom))] +- { ++ if can_transmute::<$t, atomic::AtomicUsize>() { ++ let a = unsafe { &*(self.value.get() as *const atomic::AtomicUsize) }; ++ a.fetch_or(val as usize, Ordering::AcqRel) as $t ++ } else { + let _guard = lock(self.value.get() as usize).write(); + let value = unsafe { &mut *(self.value.get()) }; + let old = *value; +@@ -431,13 +419,10 @@ macro_rules! impl_arithmetic { + /// ``` + #[inline] + pub fn fetch_xor(&self, val: $t) -> $t { +- #[cfg(crossbeam_loom)] +- { +- let _ = val; +- unimplemented!("loom does not support non-atomic atomic ops"); +- } +- #[cfg(not(crossbeam_loom))] +- { ++ if can_transmute::<$t, atomic::AtomicUsize>() { ++ let a = unsafe { &*(self.value.get() as *const atomic::AtomicUsize) }; ++ a.fetch_xor(val as usize, Ordering::AcqRel) as $t ++ } else { + let _guard = lock(self.value.get() as usize).write(); + let value = unsafe { &mut *(self.value.get()) }; + let old = *value; +@@ -556,15 +541,9 @@ impl_arithmetic!(i32, atomic::AtomicI32, + impl_arithmetic!(u64, atomic::AtomicU64, "let a = AtomicCell::new(7u64);"); + #[cfg(not(crossbeam_no_atomic_64))] + impl_arithmetic!(i64, atomic::AtomicI64, "let a = AtomicCell::new(7i64);"); +-#[cfg(crossbeam_no_atomic_64)] +-impl_arithmetic!(u64, fallback, "let a = AtomicCell::new(7u64);"); +-#[cfg(crossbeam_no_atomic_64)] +-impl_arithmetic!(i64, fallback, "let a = AtomicCell::new(7i64);"); + // TODO: AtomicU128 is unstable + // impl_arithmetic!(u128, atomic::AtomicU128, "let a = AtomicCell::new(7u128);"); + // impl_arithmetic!(i128, atomic::AtomicI128, "let a = AtomicCell::new(7i128);"); +-impl_arithmetic!(u128, fallback, "let a = AtomicCell::new(7u128);"); +-impl_arithmetic!(i128, fallback, "let a = AtomicCell::new(7i128);"); + + impl_arithmetic!( + usize, +@@ -704,13 +683,105 @@ fn lock(addr: usize) -> &'static SeqLock + // stored at addresses that are multiples of 3. It'd be too bad if `LEN` was divisible by 3. + // In order to protect from such cases, we simply choose a large prime number for `LEN`. + const LEN: usize = 97; +- #[allow(clippy::declare_interior_mutable_const)] +- const L: SeqLock = SeqLock::new(); ++ + static LOCKS: [SeqLock; LEN] = [ +- L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, +- L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, +- L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, +- L, L, L, L, L, L, L, ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), ++ SeqLock::new(), + ]; + + // If the modulus is a constant number, the compiler will use crazy math to transform this into +@@ -762,6 +833,7 @@ macro_rules! atomic { + ($t:ty, $a:ident, $atomic_op:expr, $fallback_op:expr) => { + loop { + atomic!(@check, $t, AtomicUnit, $a, $atomic_op); ++ atomic!(@check, $t, atomic::AtomicUsize, $a, $atomic_op); + + atomic!(@check, $t, atomic::AtomicU8, $a, $atomic_op); + atomic!(@check, $t, atomic::AtomicU16, $a, $atomic_op); +@@ -783,6 +855,7 @@ macro_rules! atomic { + const fn atomic_is_lock_free() -> bool { + // HACK(taiki-e): This is equivalent to `atomic! { T, _a, true, false }`, but can be used in const fn even in Rust 1.36. + let is_lock_free = can_transmute::() ++ | can_transmute::() + | can_transmute::() + | can_transmute::() + | can_transmute::(); +diff --git a/third_party/rust/crossbeam-utils/src/sync/parker.rs b/third_party/rust/crossbeam-utils/src/sync/parker.rs +--- a/third_party/rust/crossbeam-utils/src/sync/parker.rs ++++ b/third_party/rust/crossbeam-utils/src/sync/parker.rs +@@ -175,7 +175,6 @@ impl Parker { + /// + /// let p = Parker::new(); + /// let raw = Parker::into_raw(p); +- /// # let _ = unsafe { Parker::from_raw(raw) }; + /// ``` + pub fn into_raw(this: Parker) -> *const () { + Unparker::into_raw(this.unparker) +@@ -259,7 +258,6 @@ impl Unparker { + /// let p = Parker::new(); + /// let u = p.unparker().clone(); + /// let raw = Unparker::into_raw(u); +- /// # let _ = unsafe { Unparker::from_raw(raw) }; + /// ``` + pub fn into_raw(this: Unparker) -> *const () { + Arc::into_raw(this.inner) as *const () +diff --git a/third_party/rust/crossbeam-utils/src/thread.rs b/third_party/rust/crossbeam-utils/src/thread.rs +--- a/third_party/rust/crossbeam-utils/src/thread.rs ++++ b/third_party/rust/crossbeam-utils/src/thread.rs +@@ -446,7 +446,7 @@ impl<'scope, 'env> ScopedThreadBuilder<' + unsafe { mem::transmute(closure) }; + + // Finally, spawn the closure. +- self.builder.spawn(closure)? ++ self.builder.spawn(move || closure())? + }; + + let thread = handle.thread().clone(); +diff --git a/third_party/rust/crossbeam-utils/tests/atomic_cell.rs b/third_party/rust/crossbeam-utils/tests/atomic_cell.rs +--- a/third_party/rust/crossbeam-utils/tests/atomic_cell.rs ++++ b/third_party/rust/crossbeam-utils/tests/atomic_cell.rs +@@ -264,22 +264,3 @@ fn const_atomic_cell_new() { + CELL.store(1); + assert_eq!(CELL.load(), 1); + } +- +-// https://github.com/crossbeam-rs/crossbeam/issues/748 +-#[cfg_attr(miri, ignore)] // TODO +-#[rustversion::since(1.37)] // #[repr(align(N))] requires Rust 1.37 +-#[test] +-fn issue_748() { +- #[allow(dead_code)] +- #[repr(align(8))] +- #[derive(Debug, Clone, Copy, PartialEq, Eq)] +- enum Test { +- Field(u32), +- FieldLess, +- } +- +- assert_eq!(mem::size_of::(), 8); +- assert!(AtomicCell::::is_lock_free()); +- let x = AtomicCell::new(Test::FieldLess); +- assert_eq!(x.load(), Test::FieldLess); +-} +diff --git a/third_party/rust/crossbeam-utils/tests/sharded_lock.rs b/third_party/rust/crossbeam-utils/tests/sharded_lock.rs +--- a/third_party/rust/crossbeam-utils/tests/sharded_lock.rs ++++ b/third_party/rust/crossbeam-utils/tests/sharded_lock.rs +@@ -21,9 +21,6 @@ fn smoke() { + #[test] + fn frob() { + const N: u32 = 10; +- #[cfg(miri)] +- const M: usize = 100; +- #[cfg(not(miri))] + const M: usize = 1000; + + let r = Arc::new(ShardedLock::new(())); diff --git a/scripts/3_Configure_Source_Code.sh b/scripts/3_Configure_Source_Code.sh index 4ed6eee..fc7f75e 100755 --- a/scripts/3_Configure_Source_Code.sh +++ b/scripts/3_Configure_Source_Code.sh @@ -103,6 +103,11 @@ END wget https://raw.githubusercontent.com/archlinuxarm/PKGBUILDs/master/extra/firefox/build-arm-libopus.patch -O ${_PATCHES_DIR}/build-arm-libopus.patch patch -Np1 -i ${_PATCHES_DIR}/build-arm-libopus.patch + # Revert the upgrade of crossbeam-* crates that happened in Firefox 98.0, + # which resulted in a regression on arm64 where the browser wouldn't start + # (https://bugzilla.mozilla.org/show_bug.cgi?id=1757571) + patch -Np1 -i "${CI_PROJECT_DIR}/deb_patches/revert-crossbeam-crates-upgrade.patch" + else cat >>${CI_PROJECT_DIR}/mozconfig <