--- a/mozilla-bmo1757571.patch Mon Apr 04 10:22:27 2022 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,1082 +0,0 @@
-diff --git a/Cargo.lock b/Cargo.lock
---- a/Cargo.lock
-+++ b/Cargo.lock
-@@ -972,13 +972,13 @@
- "cfg-if 1.0.0",
- ]
-
- [[package]]
- name = "crossbeam-channel"
--version = "0.5.2"
--source = "registry+https://github.com/rust-lang/crates.io-index"
--checksum = "e54ea8bc3fb1ee042f5aace6e3c6e025d3874866da222930f70ce62aceba0bfa"
-+version = "0.5.4"
-+source = "registry+https://github.com/rust-lang/crates.io-index"
-+checksum = "5aaa7bd5fb665c6864b5f963dd9097905c54125909c7aa94c9e18507cdbe6c53"
- dependencies = [
- "cfg-if 1.0.0",
- "crossbeam-utils 0.8.6",
- ]
-
-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 @@
--{"files":{"CHANGELOG.md":"e70d1a5fa6697a8b24e193e3934975317df12279c167b90fcb9616291792197c","Cargo.lock":"0f4e59f28bdd52c4781d102fc7d1f16d1ea417aaec0a4846432444a4019b2537","Cargo.toml":"c8334f658b699a1a0e25d997d752a9493a627f9ddcb7aab739c7319ea583882f","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"5734ed989dfca1f625b40281ee9f4530f91b2411ec01cb748223e7eb87e201ab","LICENSE-THIRD-PARTY":"b16db96b93b1d7cf7bea533f572091ec6bca3234fbe0a83038be772ff391a44c","README.md":"415a71d4978cfd338a6ae1f1b41284652eccd277a815542c304647dc437a8274","benches/crossbeam.rs":"96cb1abd23cac3ef8a7174a802e94609926b555bb02c9658c78723d433f1dd92","examples/fibonacci.rs":"4e88fa40048cdc31e9c7bb60347d46f92543d7ddf39cab3b52bfe44affdb6a02","examples/matching.rs":"63c250e164607a7a9f643d46f107bb5da846d49e89cf9069909562d20e530f71","examples/stopwatch.rs":"d02121258f08d56f1eb7997e19bcb9bacb6836cfa0abbba90a9e59d8a50ae5cf","src/channel.rs":"a9baaad2f414c38cd324a60ac9375ca58462ce6662217683648e9b66cec43a8c","src/context.rs":"ff4d39639ddf16aaab582d4a5f3d10ef2c71afe1abbf4e60f3d9d2ddbd72c230","src/counter.rs":"c49a9f44587888850edeb62f7c8ecd1acecb39c836834254ff3ac934c478440a","src/err.rs":"fdbde7279a1e74973e5c7d3e835a97836229a357fe465c0ba1a37f2a012d1bef","src/flavors/array.rs":"853c2ad068f912cfb49877bcd41e241f34b25026b709bf0629523f19952e3adc","src/flavors/at.rs":"65bf870b3ddb14738256706b0276f2656ad1fe9cd8eb91737489868edd088e92","src/flavors/list.rs":"50dbe59616c39b5aa184470023ce0cfb1cb0dbd92e1577375d299446981527c0","src/flavors/mod.rs":"3d9d43bc38b0adb18c96c995c2bd3421d8e33ab6c30b20c3c467d21d48e485dc","src/flavors/never.rs":"0e7921922d00c711552fb063c63c78192fa6ddc0762fb81c1713b847495ec39a","src/flavors/tick.rs":"38a479b9f4a72a5ccb9c407a1e7b44d36b6ad0f4e214e39266b12b9564c803dc","src/flavors/zero.rs":"012a53f56b86df22ce49866da95e5f457fb99a18a098f0f64779c6d1cdd7092f","src/lib.rs":"3a65706d4124844ffc4c8cb1f8cc779631ec94f449f85cbb68364ad3619404f1","src/select.rs":"66eb10a6cbdf8dd0869f2a7cac9992fdaee36c9e2a01d708d39d7c794572935b","src/select_macro.rs":"96bc9acb9a22588a4e733b0ab0761ad2be9a6b3e03744e8fc9c6de9ae433b696","src/utils.rs":"746fe315d6cfc832e3dda35e5055c0fd5c99907f1303b2ea7eacc4e37c8527e1","src/waker.rs":"591ee70bf62ccad5aa2fac7b92d444183b02790a79c024f016c78de2396d08a3","tests/after.rs":"0154a8e152880db17a20514ecdd49dabc361d3629858d119b9746b5e932c780c","tests/array.rs":"e5f25e8991863a9a86d61a66be646d04feae527f35b1697fd215b97af4383736","tests/golang.rs":"dc85669c9c4e902b1bb263d00f5cb6f9ecb6d42b19fe53425b55ce97c887da49","tests/iter.rs":"25dc02135bbae9d47a30f9047661648e66bdc134e40ba78bc2fbacbb8b3819bc","tests/list.rs":"de865ef097f3bcb35c1c814554e6108fed43b3dbb1533c8bbcf8688cceb6b6ab","tests/mpsc.rs":"401aa3c6923815058881ddce98070df68ebab283913c89c007436bb8af7ca0ea","tests/never.rs":"ee40c4fc4dd5af4983fae8de6927f52b81174d222c162f745b26c4a6c7108e4f","tests/ready.rs":"d349702f123925a0781b48d677e6dcf64fc5d1fc788a7bf1e151a3d57e81871c","tests/same_channel.rs":"2bab761443671e841e1b2476bd8082d75533a2f6be7946f5dbcee67cdc82dccb","tests/select.rs":"d20259a45f387cbce80c2c876ae81ea3883f36ea01c5151c159d58c362f6ba07","tests/select_macro.rs":"d3af2dc98e0dd03dc4ffab464b8ccb2f8b7504e8bb830948a04c015b92f0b296","tests/thread_locals.rs":"a1ce59e2aff69161621c0cb215eb6ea238088c06a31a8507a74cf179fd5a4299","tests/tick.rs":"5f697bd14c48505d932e82065b5302ef668e1cc19cac18e8ac22e0c83c221c1d","tests/zero.rs":"afbd838001d4196daddf17133e60ccea31529cc48ee01e245ac0d6366d1e30b9"},"package":"e54ea8bc3fb1ee042f5aace6e3c6e025d3874866da222930f70ce62aceba0bfa"}
-\ No newline at end of file
-+{"files":{"CHANGELOG.md":"0f549e63930d1e576f117ee9249c84276eadbe6fb95818680c042c6c0af8a807","Cargo.lock":"834da9468c17c8e1b7fe457764257f4dfdaa24bc98cbdfedf3af4f3d4f5c1e6a","Cargo.toml":"1296a016c4c23d38a35b3d737ee8285fcaaf7d23b7bbb5a3484cefe56b7ca32a","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"5734ed989dfca1f625b40281ee9f4530f91b2411ec01cb748223e7eb87e201ab","LICENSE-THIRD-PARTY":"b16db96b93b1d7cf7bea533f572091ec6bca3234fbe0a83038be772ff391a44c","README.md":"415a71d4978cfd338a6ae1f1b41284652eccd277a815542c304647dc437a8274","benches/crossbeam.rs":"96cb1abd23cac3ef8a7174a802e94609926b555bb02c9658c78723d433f1dd92","examples/fibonacci.rs":"4e88fa40048cdc31e9c7bb60347d46f92543d7ddf39cab3b52bfe44affdb6a02","examples/matching.rs":"63c250e164607a7a9f643d46f107bb5da846d49e89cf9069909562d20e530f71","examples/stopwatch.rs":"d02121258f08d56f1eb7997e19bcb9bacb6836cfa0abbba90a9e59d8a50ae5cf","src/channel.rs":"3bbf69df6c3f0071a44bab0139a749447604f5ffa5e45acc2998803dee066522","src/context.rs":"ff4d39639ddf16aaab582d4a5f3d10ef2c71afe1abbf4e60f3d9d2ddbd72c230","src/counter.rs":"c49a9f44587888850edeb62f7c8ecd1acecb39c836834254ff3ac934c478440a","src/err.rs":"44cb2024ee6b0cd6fd24996430e53720769f64b4ac35016bc3e05cb9db48681d","src/flavors/array.rs":"0743fb71a8adc8d95143b1cdae996823dddb7ab7fb7139eb6e0cdf733ff231ee","src/flavors/at.rs":"1db64919593b7c14f838c16a22732515f1e716d2d5f6cc639f42631380e545cd","src/flavors/list.rs":"017b66a84ada393d11d1730297426338244b115944a4d631573447641a66bed6","src/flavors/mod.rs":"3d9d43bc38b0adb18c96c995c2bd3421d8e33ab6c30b20c3c467d21d48e485dc","src/flavors/never.rs":"747da857aa1a7601641f23f4930e6ad00ebaf50456d9be5c7aa270e2ecc24dcb","src/flavors/tick.rs":"69b2dfe0186bc8b9fd7a73e32da59d2656d8150da1e00fba92a412e0907568a3","src/flavors/zero.rs":"1edd8e5114daa5b82ec9f4a715c0389a9de02cce64de0f71b4225868dad99a99","src/lib.rs":"3a65706d4124844ffc4c8cb1f8cc779631ec94f449f85cbb68364ad3619404f1","src/select.rs":"63dbfde7098dac1424f1cc884f6b8364f3bf3e06527691dde628ff6c416a7f35","src/select_macro.rs":"582a033cc0a51917fd5197dfb66677e9d7982c013414e75ae78b4a740189a56d","src/utils.rs":"b4d38e39a7d7774729458b1b39253377a55657d377c483d30b32e42a0a0092e3","src/waker.rs":"2114bd84f35b2c654d1914127e0380e17a5c20d8ec1e20449af3d653cad27c64","tests/after.rs":"0154a8e152880db17a20514ecdd49dabc361d3629858d119b9746b5e932c780c","tests/array.rs":"e0f3814328c79727a85df3aee0409701849dabfeaaa2f70721e14396fbaba1cd","tests/golang.rs":"dc85669c9c4e902b1bb263d00f5cb6f9ecb6d42b19fe53425b55ce97c887da49","tests/iter.rs":"25dc02135bbae9d47a30f9047661648e66bdc134e40ba78bc2fbacbb8b3819bc","tests/list.rs":"de865ef097f3bcb35c1c814554e6108fed43b3dbb1533c8bbcf8688cceb6b6ab","tests/mpsc.rs":"401aa3c6923815058881ddce98070df68ebab283913c89c007436bb8af7ca0ea","tests/never.rs":"ee40c4fc4dd5af4983fae8de6927f52b81174d222c162f745b26c4a6c7108e4f","tests/ready.rs":"d349702f123925a0781b48d677e6dcf64fc5d1fc788a7bf1e151a3d57e81871c","tests/same_channel.rs":"2bab761443671e841e1b2476bd8082d75533a2f6be7946f5dbcee67cdc82dccb","tests/select.rs":"d20259a45f387cbce80c2c876ae81ea3883f36ea01c5151c159d58c362f6ba07","tests/select_macro.rs":"948eb21f72a9317c0de98a9bd21f6f8ff2b09b73b45c171c45b04c051a2fd0c4","tests/thread_locals.rs":"a1ce59e2aff69161621c0cb215eb6ea238088c06a31a8507a74cf179fd5a4299","tests/tick.rs":"5f697bd14c48505d932e82065b5302ef668e1cc19cac18e8ac22e0c83c221c1d","tests/zero.rs":"afbd838001d4196daddf17133e60ccea31529cc48ee01e245ac0d6366d1e30b9"},"package":"5aaa7bd5fb665c6864b5f963dd9097905c54125909c7aa94c9e18507cdbe6c53"}
-\ 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
-@@ -1,8 +1,16 @@
-+# Version 0.5.4
-+
-+- Workaround a bug in upstream related to TLS access on AArch64 Linux. (#802)
-+
-+# Version 0.5.3
-+
-+- Fix panic on very large timeout. (#798)
-+
- # Version 0.5.2
-
--- Fix stacked borrows violations. (#763, #764)
-+- Fix stacked borrows violations when `-Zmiri-tag-raw-pointers` is enabled. (#763, #764)
-
- # Version 0.5.1
-
- - Fix memory leak in unbounded channel. (#669)
-
-@@ -19,10 +27,12 @@
-
- - Fix bug in release (yanking 0.4.3)
- - Fix UB and breaking change introduced in 0.4.3
-
- # Version 0.4.3
-+
-+**Note**: This release has been yanked. See [CVE-2020-15254](https://github.com/crossbeam-rs/crossbeam/security/advisories/GHSA-v5m7-53cv-f3hx) for details.
-
- - Change license to "MIT OR Apache-2.0".
-
- # Version 0.4.2
-
-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
-@@ -8,34 +8,34 @@
- source = "registry+https://github.com/rust-lang/crates.io-index"
- checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
-
- [[package]]
- name = "crossbeam-channel"
--version = "0.5.2"
-+version = "0.5.4"
- dependencies = [
- "cfg-if",
- "crossbeam-utils",
- "num_cpus",
- "rand",
- "signal-hook",
- ]
-
- [[package]]
- name = "crossbeam-utils"
--version = "0.8.6"
-+version = "0.8.8"
- source = "registry+https://github.com/rust-lang/crates.io-index"
--checksum = "cfcae03edb34f947e64acdb1c33ec169824e20657e9ecb61cef6c8c74dcb8120"
-+checksum = "0bf124c720b7686e3c2663cf54062ab0f68a88af2fb6a030e87e30bf721fcb38"
- dependencies = [
- "cfg-if",
- "lazy_static",
- ]
-
- [[package]]
- name = "getrandom"
--version = "0.2.3"
-+version = "0.2.5"
- source = "registry+https://github.com/rust-lang/crates.io-index"
--checksum = "7fcd999463524c52659517fe2cea98493cfe485d10565e7b0fb07dbba7ad2753"
-+checksum = "d39cd93900197114fa1fcb7ae84ca742095eed9442088988ae74fa744e930e77"
- dependencies = [
- "cfg-if",
- "libc",
- "wasi",
- ]
-@@ -55,13 +55,13 @@
- source = "registry+https://github.com/rust-lang/crates.io-index"
- checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
-
- [[package]]
- name = "libc"
--version = "0.2.112"
-+version = "0.2.120"
- source = "registry+https://github.com/rust-lang/crates.io-index"
--checksum = "1b03d17f364a3a042d5e5d46b053bbbf82c92c9430c592dd4c064dc6ee997125"
-+checksum = "ad5c14e80759d0939d013e6ca49930e59fc53dd8e5009132f76240c179380c09"
-
- [[package]]
- name = "num_cpus"
- version = "1.13.1"
- source = "registry+https://github.com/rust-lang/crates.io-index"
-@@ -77,18 +77,17 @@
- source = "registry+https://github.com/rust-lang/crates.io-index"
- checksum = "eb9f9e6e233e5c4a35559a617bf40a4ec447db2e84c20b55a6f83167b7e57872"
-
- [[package]]
- name = "rand"
--version = "0.8.4"
-+version = "0.8.5"
- source = "registry+https://github.com/rust-lang/crates.io-index"
--checksum = "2e7573632e6454cf6b99d7aac4ccca54be06da05aca2ef7423d22d27d4d4bcd8"
-+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
- dependencies = [
- "libc",
- "rand_chacha",
- "rand_core",
-- "rand_hc",
- ]
-
- [[package]]
- name = "rand_chacha"
- version = "0.3.1"
-@@ -104,19 +103,10 @@
- version = "0.6.3"
- source = "registry+https://github.com/rust-lang/crates.io-index"
- checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
- dependencies = [
- "getrandom",
--]
--
--[[package]]
--name = "rand_hc"
--version = "0.3.1"
--source = "registry+https://github.com/rust-lang/crates.io-index"
--checksum = "d51e9f596de227fda2ea6c84607f5558e196eeaf43c986b724ba4fb8fdf497e7"
--dependencies = [
-- "rand_core",
- ]
-
- [[package]]
- name = "signal-hook"
- version = "0.3.13"
-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
-@@ -11,24 +11,36 @@
-
- [package]
- edition = "2018"
- rust-version = "1.36"
- name = "crossbeam-channel"
--version = "0.5.2"
-+version = "0.5.4"
- description = "Multi-producer multi-consumer channels for message passing"
- homepage = "https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-channel"
--keywords = ["channel", "mpmc", "select", "golang", "message"]
--categories = ["algorithms", "concurrency", "data-structures"]
-+keywords = [
-+ "channel",
-+ "mpmc",
-+ "select",
-+ "golang",
-+ "message",
-+]
-+categories = [
-+ "algorithms",
-+ "concurrency",
-+ "data-structures",
-+]
- license = "MIT OR Apache-2.0"
- repository = "https://github.com/crossbeam-rs/crossbeam"
-+
- [dependencies.cfg-if]
- version = "1"
-
- [dependencies.crossbeam-utils]
- version = "0.8"
- optional = true
- default-features = false
-+
- [dev-dependencies.num_cpus]
- version = "1.13.0"
-
- [dev-dependencies.rand]
- version = "0.8"
-diff --git a/third_party/rust/crossbeam-channel/src/channel.rs b/third_party/rust/crossbeam-channel/src/channel.rs
---- a/third_party/rust/crossbeam-channel/src/channel.rs
-+++ b/third_party/rust/crossbeam-channel/src/channel.rs
-@@ -12,10 +12,11 @@
- use crate::err::{
- RecvError, RecvTimeoutError, SendError, SendTimeoutError, TryRecvError, TrySendError,
- };
- use crate::flavors;
- use crate::select::{Operation, SelectHandle, Token};
-+use crate::utils;
-
- /// Creates a channel of unbounded capacity.
- ///
- /// This channel has a growable buffer that can hold any number of messages at a time.
- ///
-@@ -469,11 +470,11 @@
- /// s.send_timeout(3, Duration::from_millis(500)),
- /// Err(SendTimeoutError::Disconnected(3)),
- /// );
- /// ```
- pub fn send_timeout(&self, msg: T, timeout: Duration) -> Result<(), SendTimeoutError<T>> {
-- self.send_deadline(msg, Instant::now() + timeout)
-+ self.send_deadline(msg, utils::convert_timeout_to_deadline(timeout))
- }
-
- /// Waits for a message to be sent into the channel, but only until a given deadline.
- ///
- /// If the channel is full and not disconnected, this call will block until the send operation
-@@ -859,11 +860,11 @@
- /// r.recv_timeout(Duration::from_secs(1)),
- /// Err(RecvTimeoutError::Disconnected),
- /// );
- /// ```
- pub fn recv_timeout(&self, timeout: Duration) -> Result<T, RecvTimeoutError> {
-- self.recv_deadline(Instant::now() + timeout)
-+ self.recv_deadline(utils::convert_timeout_to_deadline(timeout))
- }
-
- /// Waits for a message to be received from the channel, but only before a given deadline.
- ///
- /// If the channel is empty and not disconnected, this call will block until the receive
-diff --git a/third_party/rust/crossbeam-channel/src/err.rs b/third_party/rust/crossbeam-channel/src/err.rs
---- a/third_party/rust/crossbeam-channel/src/err.rs
-+++ b/third_party/rust/crossbeam-channel/src/err.rs
-@@ -306,20 +306,18 @@
- }
- }
-
- impl TryRecvError {
- /// Returns `true` if the receive operation failed because the channel is empty.
-- #[allow(clippy::trivially_copy_pass_by_ref)]
- pub fn is_empty(&self) -> bool {
- match self {
- TryRecvError::Empty => true,
- _ => false,
- }
- }
-
- /// Returns `true` if the receive operation failed because the channel is disconnected.
-- #[allow(clippy::trivially_copy_pass_by_ref)]
- pub fn is_disconnected(&self) -> bool {
- match self {
- TryRecvError::Disconnected => true,
- _ => false,
- }
-@@ -345,20 +343,18 @@
- }
- }
-
- impl RecvTimeoutError {
- /// Returns `true` if the receive operation timed out.
-- #[allow(clippy::trivially_copy_pass_by_ref)]
- pub fn is_timeout(&self) -> bool {
- match self {
- RecvTimeoutError::Timeout => true,
- _ => false,
- }
- }
-
- /// Returns `true` if the receive operation failed because the channel is disconnected.
-- #[allow(clippy::trivially_copy_pass_by_ref)]
- pub fn is_disconnected(&self) -> bool {
- match self {
- RecvTimeoutError::Disconnected => true,
- _ => false,
- }
-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
-@@ -7,11 +7,10 @@
- //! Source:
- //! - <http://www.1024cores.net/home/lock-free-algorithms/queues/bounded-mpmc-queue>
- //! - <https://docs.google.com/document/d/1yIAYmbvL3JxOKOjuCyon7JhW4cSv1wy5hC0ApeGMV9s/pub>
-
- use std::cell::UnsafeCell;
--use std::marker::PhantomData;
- use std::mem::MaybeUninit;
- use std::ptr;
- use std::sync::atomic::{self, AtomicUsize, Ordering};
- use std::time::Instant;
-
-@@ -31,11 +30,11 @@
- msg: UnsafeCell<MaybeUninit<T>>,
- }
-
- /// The token type for the array flavor.
- #[derive(Debug)]
--pub struct ArrayToken {
-+pub(crate) struct ArrayToken {
- /// Slot to read from or write to.
- slot: *const u8,
-
- /// Stamp to store into the slot after reading or writing.
- stamp: usize,
-@@ -70,11 +69,11 @@
- ///
- /// Messages are pushed into the tail of the channel.
- tail: CachePadded<AtomicUsize>,
-
- /// The buffer holding slots.
-- buffer: *mut Slot<T>,
-+ buffer: Box<[Slot<T>]>,
-
- /// The channel capacity.
- cap: usize,
-
- /// A stamp with the value of `{ lap: 1, mark: 0, index: 0 }`.
-@@ -86,13 +85,10 @@
- /// Senders waiting while the channel is full.
- senders: SyncWaker,
-
- /// Receivers waiting while the channel is empty and not disconnected.
- receivers: SyncWaker,
--
-- /// Indicates that dropping a `Channel<T>` may drop values of type `T`.
-- _marker: PhantomData<T>,
- }
-
- impl<T> Channel<T> {
- /// Creates a bounded channel of capacity `cap`.
- pub(crate) fn with_capacity(cap: usize) -> Self {
-@@ -107,33 +103,29 @@
- // Tail is initialized to `{ lap: 0, mark: 0, index: 0 }`.
- let tail = 0;
-
- // Allocate a buffer of `cap` slots initialized
- // with stamps.
-- let buffer = {
-- let boxed: Box<[Slot<T>]> = (0..cap)
-- .map(|i| {
-- // Set the stamp to `{ lap: 0, mark: 0, index: i }`.
-- Slot {
-- stamp: AtomicUsize::new(i),
-- msg: UnsafeCell::new(MaybeUninit::uninit()),
-- }
-- })
-- .collect();
-- Box::into_raw(boxed) as *mut Slot<T>
-- };
-+ let buffer: Box<[Slot<T>]> = (0..cap)
-+ .map(|i| {
-+ // Set the stamp to `{ lap: 0, mark: 0, index: i }`.
-+ Slot {
-+ stamp: AtomicUsize::new(i),
-+ msg: UnsafeCell::new(MaybeUninit::uninit()),
-+ }
-+ })
-+ .collect();
-
- Channel {
- buffer,
- cap,
- one_lap,
- mark_bit,
- head: CachePadded::new(AtomicUsize::new(head)),
- tail: CachePadded::new(AtomicUsize::new(tail)),
- senders: SyncWaker::new(),
- receivers: SyncWaker::new(),
-- _marker: PhantomData,
- }
- }
-
- /// Returns a receiver handle to the channel.
- pub(crate) fn receiver(&self) -> Receiver<'_, T> {
-@@ -161,11 +153,12 @@
- // Deconstruct the tail.
- let index = tail & (self.mark_bit - 1);
- let lap = tail & !(self.one_lap - 1);
-
- // Inspect the corresponding slot.
-- let slot = unsafe { &*self.buffer.add(index) };
-+ debug_assert!(index < self.buffer.len());
-+ let slot = unsafe { self.buffer.get_unchecked(index) };
- let stamp = slot.stamp.load(Ordering::Acquire);
-
- // If the tail and the stamp match, we may attempt to push.
- if tail == stamp {
- let new_tail = if index + 1 < self.cap {
-@@ -243,11 +236,12 @@
- // Deconstruct the head.
- let index = head & (self.mark_bit - 1);
- let lap = head & !(self.one_lap - 1);
-
- // Inspect the corresponding slot.
-- let slot = unsafe { &*self.buffer.add(index) };
-+ debug_assert!(index < self.buffer.len());
-+ let slot = unsafe { self.buffer.get_unchecked(index) };
- let stamp = slot.stamp.load(Ordering::Acquire);
-
- // If the the stamp is ahead of the head by 1, we may attempt to pop.
- if head + 1 == stamp {
- let new = if index + 1 < self.cap {
-@@ -473,11 +467,10 @@
- }
- }
- }
-
- /// Returns the capacity of the channel.
-- #[allow(clippy::unnecessary_wraps)] // This is intentional.
- pub(crate) fn capacity(&self) -> Option<usize> {
- Some(self.cap)
- }
-
- /// Disconnects the channel and wakes up all blocked senders and receivers.
-@@ -538,26 +531,15 @@
- } else {
- hix + i - self.cap
- };
-
- unsafe {
-- let p = {
-- let slot = &mut *self.buffer.add(index);
-- let msg = &mut *slot.msg.get();
-- msg.as_mut_ptr()
-- };
-- p.drop_in_place();
-- }
-- }
--
-- // Finally, deallocate the buffer, but don't run any destructors.
-- unsafe {
-- // Create a slice from the buffer to make
-- // a fat pointer. Then, use Box::from_raw
-- // to deallocate it.
-- let ptr = std::slice::from_raw_parts_mut(self.buffer, self.cap) as *mut [Slot<T>];
-- Box::from_raw(ptr);
-+ debug_assert!(index < self.buffer.len());
-+ let slot = self.buffer.get_unchecked_mut(index);
-+ let msg = &mut *slot.msg.get();
-+ msg.as_mut_ptr().drop_in_place();
-+ }
- }
- }
- }
-
- /// Receiver handle to a channel.
-diff --git a/third_party/rust/crossbeam-channel/src/flavors/at.rs b/third_party/rust/crossbeam-channel/src/flavors/at.rs
---- a/third_party/rust/crossbeam-channel/src/flavors/at.rs
-+++ b/third_party/rust/crossbeam-channel/src/flavors/at.rs
-@@ -33,11 +33,11 @@
- }
- }
- /// Creates a channel that delivers a message after a certain duration of time.
- #[inline]
- pub(crate) fn new_timeout(dur: Duration) -> Self {
-- Self::new_deadline(Instant::now() + dur)
-+ Self::new_deadline(utils::convert_timeout_to_deadline(dur))
- }
-
- /// Attempts to receive a message without blocking.
- #[inline]
- pub(crate) fn try_recv(&self) -> Result<Instant, TryRecvError> {
-@@ -140,11 +140,10 @@
- 1
- }
- }
-
- /// Returns the capacity of the channel.
-- #[allow(clippy::unnecessary_wraps)] // This is intentional.
- #[inline]
- pub(crate) fn capacity(&self) -> Option<usize> {
- Some(1)
- }
- }
-diff --git a/third_party/rust/crossbeam-channel/src/flavors/list.rs b/third_party/rust/crossbeam-channel/src/flavors/list.rs
---- a/third_party/rust/crossbeam-channel/src/flavors/list.rs
-+++ b/third_party/rust/crossbeam-channel/src/flavors/list.rs
-@@ -124,11 +124,11 @@
- block: AtomicPtr<Block<T>>,
- }
-
- /// The token type for the list flavor.
- #[derive(Debug)]
--pub struct ListToken {
-+pub(crate) struct ListToken {
- /// The block of slots.
- block: *const u8,
-
- /// The offset into the block.
- offset: usize,
-diff --git a/third_party/rust/crossbeam-channel/src/flavors/never.rs b/third_party/rust/crossbeam-channel/src/flavors/never.rs
---- a/third_party/rust/crossbeam-channel/src/flavors/never.rs
-+++ b/third_party/rust/crossbeam-channel/src/flavors/never.rs
-@@ -63,11 +63,10 @@
- pub(crate) fn len(&self) -> usize {
- 0
- }
-
- /// Returns the capacity of the channel.
-- #[allow(clippy::unnecessary_wraps)] // This is intentional.
- #[inline]
- pub(crate) fn capacity(&self) -> Option<usize> {
- Some(0)
- }
- }
-diff --git a/third_party/rust/crossbeam-channel/src/flavors/tick.rs b/third_party/rust/crossbeam-channel/src/flavors/tick.rs
---- a/third_party/rust/crossbeam-channel/src/flavors/tick.rs
-+++ b/third_party/rust/crossbeam-channel/src/flavors/tick.rs
-@@ -8,10 +8,11 @@
- use crossbeam_utils::atomic::AtomicCell;
-
- use crate::context::Context;
- use crate::err::{RecvTimeoutError, TryRecvError};
- use crate::select::{Operation, SelectHandle, Token};
-+use crate::utils;
-
- /// Result of a receive operation.
- pub(crate) type TickToken = Option<Instant>;
-
- /// Channel that delivers messages periodically.
-@@ -26,11 +27,11 @@
- impl Channel {
- /// Creates a channel that delivers messages periodically.
- #[inline]
- pub(crate) fn new(dur: Duration) -> Self {
- Channel {
-- delivery_time: AtomicCell::new(Instant::now() + dur),
-+ delivery_time: AtomicCell::new(utils::convert_timeout_to_deadline(dur)),
- duration: dur,
- }
- }
-
- /// Attempts to receive a message without blocking.
-@@ -110,11 +111,10 @@
- 1
- }
- }
-
- /// Returns the capacity of the channel.
-- #[allow(clippy::unnecessary_wraps)] // This is intentional.
- #[inline]
- pub(crate) fn capacity(&self) -> Option<usize> {
- Some(1)
- }
- }
-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
-@@ -15,11 +15,11 @@
- use crate::select::{Operation, SelectHandle, Selected, Token};
- use crate::utils::Spinlock;
- use crate::waker::Waker;
-
- /// A pointer to a packet.
--pub struct ZeroToken(*mut ());
-+pub(crate) struct ZeroToken(*mut ());
-
- impl Default for ZeroToken {
- fn default() -> Self {
- Self(ptr::null_mut())
- }
-@@ -361,11 +361,10 @@
- pub(crate) fn len(&self) -> usize {
- 0
- }
-
- /// Returns the capacity of the channel.
-- #[allow(clippy::unnecessary_wraps)] // This is intentional.
- pub(crate) fn capacity(&self) -> Option<usize> {
- Some(0)
- }
-
- /// Returns `true` if the channel is empty.
-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
-@@ -20,16 +20,17 @@
- ///
- /// 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,
-- pub array: flavors::array::ArrayToken,
-- pub list: flavors::list::ListToken,
-- pub never: flavors::never::NeverToken,
-- pub tick: flavors::tick::TickToken,
-- pub zero: flavors::zero::ZeroToken,
-+ pub(crate) at: flavors::at::AtToken,
-+ pub(crate) array: flavors::array::ArrayToken,
-+ pub(crate) list: flavors::list::ListToken,
-+ #[allow(dead_code)]
-+ pub(crate) never: flavors::never::NeverToken,
-+ pub(crate) tick: flavors::tick::TickToken,
-+ pub(crate) zero: flavors::zero::ZeroToken,
- }
-
- /// Identifier associated with an operation by a specific thread on a specific channel.
- #[derive(Debug, Clone, Copy, PartialEq, Eq)]
- pub struct Operation(usize);
-@@ -484,11 +485,11 @@
- #[inline]
- pub fn select_timeout<'a>(
- handles: &mut [(&'a dyn SelectHandle, usize, *const u8)],
- timeout: Duration,
- ) -> Result<SelectedOperation<'a>, SelectTimeoutError> {
-- select_deadline(handles, Instant::now() + timeout)
-+ select_deadline(handles, utils::convert_timeout_to_deadline(timeout))
- }
-
- /// Blocks until a given deadline, or until one of the operations becomes ready and selects it.
- #[inline]
- pub(crate) fn select_deadline<'a>(
-@@ -1040,11 +1041,11 @@
- /// Ok(i) if i == oper2 => assert_eq!(r2.try_recv(), Ok(20)),
- /// Ok(_) => unreachable!(),
- /// }
- /// ```
- pub fn ready_timeout(&mut self, timeout: Duration) -> Result<usize, ReadyTimeoutError> {
-- self.ready_deadline(Instant::now() + timeout)
-+ self.ready_deadline(utils::convert_timeout_to_deadline(timeout))
- }
-
- /// Blocks until a given deadline, or until one of the operations becomes ready.
- ///
- /// If an operation becomes ready, its index is returned. If multiple operations are ready at
-diff --git a/third_party/rust/crossbeam-channel/src/select_macro.rs b/third_party/rust/crossbeam-channel/src/select_macro.rs
---- a/third_party/rust/crossbeam-channel/src/select_macro.rs
-+++ b/third_party/rust/crossbeam-channel/src/select_macro.rs
-@@ -119,22 +119,11 @@
- ($($head)* $case ($($args)*) $(-> $res)* => { $body },)
- )
- };
- // Only one case remains.
- (@list
-- ($case:ident ($($args:tt)*) $(-> $res:pat)* => $body:expr)
-- ($($head:tt)*)
-- ) => {
-- $crate::crossbeam_channel_internal!(
-- @list
-- ()
-- ($($head)* $case ($($args)*) $(-> $res)* => { $body },)
-- )
-- };
-- // Accept a trailing comma at the end of the list.
-- (@list
-- ($case:ident ($($args:tt)*) $(-> $res:pat)* => $body:expr,)
-+ ($case:ident ($($args:tt)*) $(-> $res:pat)* => $body:expr $(,)?)
- ($($head:tt)*)
- ) => {
- $crate::crossbeam_channel_internal!(
- @list
- ()
-@@ -371,34 +360,21 @@
- )
- };
-
- // Check the format of a recv case.
- (@case
-- (recv($r:expr) -> $res:pat => $body:tt, $($tail:tt)*)
-+ (recv($r:expr $(,)?) -> $res:pat => $body:tt, $($tail:tt)*)
- ($($cases:tt)*)
- $default:tt
- ) => {
- $crate::crossbeam_channel_internal!(
- @case
- ($($tail)*)
- ($($cases)* recv($r) -> $res => $body,)
- $default
- )
- };
-- // Allow trailing comma...
-- (@case
-- (recv($r:expr,) -> $res:pat => $body:tt, $($tail:tt)*)
-- ($($cases:tt)*)
-- $default:tt
-- ) => {
-- $crate::crossbeam_channel_internal!(
-- @case
-- ($($tail)*)
-- ($($cases)* recv($r) -> $res => $body,)
-- $default
-- )
-- };
- // Print an error if the argument list is invalid.
- (@case
- (recv($($args:tt)*) -> $res:pat => $body:tt, $($tail:tt)*)
- ($($cases:tt)*)
- $default:tt
-@@ -426,34 +402,21 @@
- )
- };
-
- // Check the format of a send case.
- (@case
-- (send($s:expr, $m:expr) -> $res:pat => $body:tt, $($tail:tt)*)
-+ (send($s:expr, $m:expr $(,)?) -> $res:pat => $body:tt, $($tail:tt)*)
- ($($cases:tt)*)
- $default:tt
- ) => {
- $crate::crossbeam_channel_internal!(
- @case
- ($($tail)*)
- ($($cases)* send($s, $m) -> $res => $body,)
- $default
- )
- };
-- // Allow trailing comma...
-- (@case
-- (send($s:expr, $m:expr,) -> $res:pat => $body:tt, $($tail:tt)*)
-- ($($cases:tt)*)
-- $default:tt
-- ) => {
-- $crate::crossbeam_channel_internal!(
-- @case
-- ($($tail)*)
-- ($($cases)* send($s, $m) -> $res => $body,)
-- $default
-- )
-- };
- // Print an error if the argument list is invalid.
- (@case
- (send($($args:tt)*) -> $res:pat => $body:tt, $($tail:tt)*)
- ($($cases:tt)*)
- $default:tt
-@@ -494,24 +457,11 @@
- (default() => $body,)
- )
- };
- // Check the format of a default case with timeout.
- (@case
-- (default($timeout:expr) => $body:tt, $($tail:tt)*)
-- $cases:tt
-- ()
-- ) => {
-- $crate::crossbeam_channel_internal!(
-- @case
-- ($($tail)*)
-- $cases
-- (default($timeout) => $body,)
-- )
-- };
-- // Allow trailing comma...
-- (@case
-- (default($timeout:expr,) => $body:tt, $($tail:tt)*)
-+ (default($timeout:expr $(,)?) => $body:tt, $($tail:tt)*)
- $cases:tt
- ()
- ) => {
- $crate::crossbeam_channel_internal!(
- @case
-diff --git a/third_party/rust/crossbeam-channel/src/utils.rs b/third_party/rust/crossbeam-channel/src/utils.rs
---- a/third_party/rust/crossbeam-channel/src/utils.rs
-+++ b/third_party/rust/crossbeam-channel/src/utils.rs
-@@ -59,10 +59,18 @@
- }
- }
- }
- }
-
-+// https://github.com/crossbeam-rs/crossbeam/issues/795
-+pub(crate) fn convert_timeout_to_deadline(timeout: Duration) -> Instant {
-+ match Instant::now().checked_add(timeout) {
-+ Some(deadline) => deadline,
-+ None => Instant::now() + Duration::from_secs(86400 * 365 * 30),
-+ }
-+}
-+
- /// A simple spinlock.
- pub(crate) struct Spinlock<T> {
- flag: AtomicBool,
- value: UnsafeCell<T>,
- }
-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
-@@ -75,30 +75,36 @@
- }
-
- /// Attempts to find another thread's entry, select the operation, and wake it up.
- #[inline]
- pub(crate) fn try_select(&mut self) -> Option<Entry> {
-- self.selectors
-- .iter()
-- .position(|selector| {
-- // 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()
-- && {
-- // Provide the packet.
-- selector.cx.store_packet(selector.packet);
-- // Wake the thread up.
-- selector.cx.unpark();
-- true
-- }
-- })
-- // Remove the entry from the queue to keep it clean and improve
-- // performance.
-- .map(|pos| self.selectors.remove(pos))
-+ if self.selectors.is_empty() {
-+ None
-+ } else {
-+ let thread_id = current_thread_id();
-+
-+ self.selectors
-+ .iter()
-+ .position(|selector| {
-+ // Does the entry belong to a different thread?
-+ selector.cx.thread_id() != thread_id
-+ && selector // Try selecting this operation.
-+ .cx
-+ .try_select(Selected::Operation(selector.oper))
-+ .is_ok()
-+ && {
-+ // Provide the packet.
-+ selector.cx.store_packet(selector.packet);
-+ // Wake the thread up.
-+ selector.cx.unpark();
-+ true
-+ }
-+ })
-+ // Remove the entry from the queue to keep it clean and improve
-+ // performance.
-+ .map(|pos| self.selectors.remove(pos))
-+ }
- }
-
- /// Returns `true` if there is an entry which can be selected by the current thread.
- #[inline]
- pub(crate) fn can_select(&self) -> bool {
-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
-@@ -1,8 +1,6 @@
- //! 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;
- use std::thread;
-@@ -252,11 +250,17 @@
- assert_eq!(r.recv(), Err(RecvError));
- }
-
- #[test]
- fn len() {
-+ #[cfg(miri)]
-+ const COUNT: usize = 250;
-+ #[cfg(not(miri))]
- const COUNT: usize = 25_000;
-+ #[cfg(miri)]
-+ const CAP: usize = 100;
-+ #[cfg(not(miri))]
- const CAP: usize = 1000;
-
- let (s, r) = bounded(CAP);
-
- assert_eq!(s.len(), 0);
-@@ -345,10 +349,13 @@
- .unwrap();
- }
-
- #[test]
- fn spsc() {
-+ #[cfg(miri)]
-+ const COUNT: usize = 100;
-+ #[cfg(not(miri))]
- const COUNT: usize = 100_000;
-
- let (s, r) = bounded(3);
-
- scope(|scope| {
-@@ -367,10 +374,13 @@
- .unwrap();
- }
-
- #[test]
- fn mpmc() {
-+ #[cfg(miri)]
-+ const COUNT: usize = 100;
-+ #[cfg(not(miri))]
- const COUNT: usize = 25_000;
- const THREADS: usize = 4;
-
- let (s, r) = bounded::<usize>(3);
- let v = (0..COUNT).map(|_| AtomicUsize::new(0)).collect::<Vec<_>>();
-@@ -399,10 +409,13 @@
- }
- }
-
- #[test]
- fn stress_oneshot() {
-+ #[cfg(miri)]
-+ const COUNT: usize = 100;
-+ #[cfg(not(miri))]
- const COUNT: usize = 10_000;
-
- for _ in 0..COUNT {
- let (s, r) = bounded(1);
-
-@@ -414,10 +427,13 @@
- }
- }
-
- #[test]
- fn stress_iter() {
-+ #[cfg(miri)]
-+ const COUNT: usize = 100;
-+ #[cfg(not(miri))]
- const COUNT: usize = 100_000;
-
- let (request_s, request_r) = bounded(1);
- let (response_s, response_r) = bounded(1);
-
-@@ -479,10 +495,11 @@
- });
- })
- .unwrap();
- }
-
-+#[cfg_attr(miri, ignore)] // Miri is too slow
- #[test]
- fn drops() {
- const RUNS: usize = 100;
-
- static DROPS: AtomicUsize = AtomicUsize::new(0);
-@@ -531,10 +548,13 @@
- }
- }
-
- #[test]
- fn linearizable() {
-+ #[cfg(miri)]
-+ const COUNT: usize = 100;
-+ #[cfg(not(miri))]
- const COUNT: usize = 25_000;
- const THREADS: usize = 4;
-
- let (s, r) = bounded(THREADS);
-
-@@ -551,10 +571,13 @@
- .unwrap();
- }
-
- #[test]
- fn fairness() {
-+ #[cfg(miri)]
-+ const COUNT: usize = 100;
-+ #[cfg(not(miri))]
- const COUNT: usize = 10_000;
-
- let (s1, r1) = bounded::<()>(COUNT);
- let (s2, r2) = bounded::<()>(COUNT);
-
-@@ -573,10 +596,13 @@
- assert!(hits.iter().all(|x| *x >= COUNT / hits.len() / 2));
- }
-
- #[test]
- fn fairness_duplicates() {
-+ #[cfg(miri)]
-+ const COUNT: usize = 100;
-+ #[cfg(not(miri))]
- const COUNT: usize = 10_000;
-
- let (s, r) = bounded::<()>(COUNT);
-
- for _ in 0..COUNT {
-@@ -617,10 +643,13 @@
- }
- }
-
- #[test]
- fn channel_through_channel() {
-+ #[cfg(miri)]
-+ const COUNT: usize = 100;
-+ #[cfg(not(miri))]
- const COUNT: usize = 1000;
-
- type T = Box<dyn Any + Send>;
-
- let (s, r) = bounded::<T>(1);
-@@ -652,5 +681,58 @@
- }
- });
- })
- .unwrap();
- }
-+
-+#[test]
-+fn panic_on_drop() {
-+ struct Msg1<'a>(&'a mut bool);
-+ impl Drop for Msg1<'_> {
-+ fn drop(&mut self) {
-+ if *self.0 && !std::thread::panicking() {
-+ panic!("double drop");
-+ } else {
-+ *self.0 = true;
-+ }
-+ }
-+ }
-+
-+ struct Msg2<'a>(&'a mut bool);
-+ impl Drop for Msg2<'_> {
-+ fn drop(&mut self) {
-+ if *self.0 {
-+ panic!("double drop");
-+ } else {
-+ *self.0 = true;
-+ panic!("first drop");
-+ }
-+ }
-+ }
-+
-+ // normal
-+ let (s, r) = bounded(2);
-+ let (mut a, mut b) = (false, false);
-+ s.send(Msg1(&mut a)).unwrap();
-+ s.send(Msg1(&mut b)).unwrap();
-+ drop(s);
-+ drop(r);
-+ assert!(a);
-+ assert!(b);
-+
-+ // panic on drop
-+ let (s, r) = bounded(2);
-+ let (mut a, mut b) = (false, false);
-+ s.send(Msg2(&mut a)).unwrap();
-+ s.send(Msg2(&mut b)).unwrap();
-+ drop(s);
-+ let res = std::panic::catch_unwind(move || {
-+ drop(r);
-+ });
-+ assert_eq!(
-+ *res.unwrap_err().downcast_ref::<&str>().unwrap(),
-+ "first drop"
-+ );
-+ assert!(a);
-+ // Elements after the panicked element will leak.
-+ assert!(!b);
-+}
-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
-@@ -1466,5 +1466,16 @@
- drop(s);
- });
- })
- .unwrap();
- }
-+
-+#[test]
-+fn trailing_comma() {
-+ let (s, r) = unbounded::<usize>();
-+
-+ select! {
-+ send(s, 1,) -> _ => {},
-+ recv(r,) -> _ => {},
-+ default(ms(1000),) => {},
-+ }
-+}
-