Merging upstream version 1.66.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

9 files changed, 138 insertions, 23 deletions

diff --git a/vendor/crossbeam-utils/.cargo-checksum.json b/vendor/crossbeam-utils/.cargo-checksum.json
index eac87698d..9c73bbda3 100644
--- a/vendor/crossbeam-utils/.cargo-checksum.json
+++ b/vendor/crossbeam-utils/.cargo-checksum.json
@@ -1 +1 @@
-{"files":{"CHANGELOG.md":"eb2f46ecf2eee5f591c4d4e789f18735bb1ed771782a5e0f16eab3a77001e7c2","Cargo.toml":"9ce8b596c9789e65bef4c952bdcac84fc88e50ba9ecb01a818036eff4e6ecfec","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"5734ed989dfca1f625b40281ee9f4530f91b2411ec01cb748223e7eb87e201ab","README.md":"2a19af38a52dd965c2d66bb39f90a85b430b51ee9ccb29e9e1978ee7091e5087","benches/atomic_cell.rs":"c927eb3cd1e5ecc4b91adbc3bde98af15ffab4086190792ba64d5cde0e24df3d","build.rs":"4859f9c926c230023e861bf01c4b225b460035faf8cf6240108530efedbb747f","no_atomic.rs":"916ed15218bb7b75a4e0d432430e7134efd27ca43ca8a8766e0c90e89febb602","src/atomic/atomic_cell.rs":"0fc99463e633144c5d59d39c35b5477da1f1b90f5448cadc37454b7f4b97707e","src/atomic/consume.rs":"7a7736fcd64f6473dfea7653559ffc5e1a2a234df43835f8aa8734862145ac15","src/atomic/mod.rs":"94193895fa03cece415e8d7be700b73a9a8a7015774ca821253438607f9b0736","src/atomic/seq_lock.rs":"27182e6b87a9db73c5f6831759f8625f9fcdec3c2828204c444aef04f427735a","src/atomic/seq_lock_wide.rs":"9888dd03116bb89ca36d4ab8d5a0b5032107a2983a7eb8024454263b09080088","src/backoff.rs":"8fd5e3dcccc05860680e49c8498de8096bee9140bcfee8723d97117106a020d0","src/cache_padded.rs":"6a512698115ad0d5a5b163dbd7a83247e1f1c146c4a30f3fc74b952e3b767b59","src/lib.rs":"6f1bcf157abe06ad8458a53e865bf8efab9fad4a9424790147cee8fefb3795d8","src/sync/mod.rs":"59986f559a8f170a4b3247ab2eea2460b09809d87c8110ed88e4e7103d3519dc","src/sync/parker.rs":"91f3a7d4ee8d9e06b6558d180e8a0df08ff5c6cef612b4ce4790f9f75cb34f84","src/sync/sharded_lock.rs":"78433f55ee3defeea348d65abc78e03d63d6a304e09c568b27b403e9ad205771","src/sync/wait_group.rs":"32e946a7581c55f8aa9904527b92b177c538fa0cf7cbcfa1d1f25990582cb6ea","src/thread.rs":"21cf9b3e965529e5c0a6ff8fc1ec846bfe0006c41deb238a149be8d07384e955","tests/atomic_cell.rs":"bf8bc869c922a1cbf929c3b741bae0cae98f2157f572b5a4eb2873d20a407c22","tests/cache_padded.rs":"1bfaff8354c8184e1ee1f902881ca9400b60effb273b0d3f752801a483d2b66d","tests/parker.rs":"6def4721287d9d70b1cfd63ebb34e1c83fbb3376edbad2bc8aac6ef69dd99d20","tests/sharded_lock.rs":"314adeb8a651a28935f7a49c9a261b8fa1fd82bf6a16c865a5aced6216d7e40b","tests/thread.rs":"9a7d7d3028c552fd834c68598b04a1cc252a816bc20ab62cec060d6cd09cab10","tests/wait_group.rs":"02661c2a820a5abe8b0c8fe15a6650aead707b57cdda0610d1b09a2680ed6969"},"package":"51887d4adc7b564537b15adcfb307936f8075dfcd5f00dde9a9f1d29383682bc"}
\ No newline at end of file
+{"files":{"CHANGELOG.md":"65d3e11edf9498bdbc930c8c3878b7d3a90c1a0b1698597dc4a396a547fa0948","Cargo.toml":"1e4259a5a47271e8ae040b91e17652b5a4e0e7e45c3f22de5008db276f3a50bf","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"5734ed989dfca1f625b40281ee9f4530f91b2411ec01cb748223e7eb87e201ab","README.md":"2a19af38a52dd965c2d66bb39f90a85b430b51ee9ccb29e9e1978ee7091e5087","benches/atomic_cell.rs":"c927eb3cd1e5ecc4b91adbc3bde98af15ffab4086190792ba64d5cde0e24df3d","build.rs":"4859f9c926c230023e861bf01c4b225b460035faf8cf6240108530efedbb747f","no_atomic.rs":"f58085b9d0666ccf62e0ae17fb5dae937c0a86fcc55dc0ae04ad8659e696a49c","src/atomic/atomic_cell.rs":"0fc99463e633144c5d59d39c35b5477da1f1b90f5448cadc37454b7f4b97707e","src/atomic/consume.rs":"7a7736fcd64f6473dfea7653559ffc5e1a2a234df43835f8aa8734862145ac15","src/atomic/mod.rs":"94193895fa03cece415e8d7be700b73a9a8a7015774ca821253438607f9b0736","src/atomic/seq_lock.rs":"27182e6b87a9db73c5f6831759f8625f9fcdec3c2828204c444aef04f427735a","src/atomic/seq_lock_wide.rs":"9888dd03116bb89ca36d4ab8d5a0b5032107a2983a7eb8024454263b09080088","src/backoff.rs":"8fd5e3dcccc05860680e49c8498de8096bee9140bcfee8723d97117106a020d0","src/cache_padded.rs":"8bb8925e2df44224ffa29f31a2f9c08d88d8bd3df6c1ce47003598225055fdb5","src/lib.rs":"6f1bcf157abe06ad8458a53e865bf8efab9fad4a9424790147cee8fefb3795d8","src/sync/mod.rs":"eca73c04f821859b8434d2b93db87d160dc6a3f65498ca201cd40d732ca4c134","src/sync/once_lock.rs":"c03dc9c05a817e087dccf8b682f7307501542805533551da3c2bab442bc40743","src/sync/parker.rs":"91f3a7d4ee8d9e06b6558d180e8a0df08ff5c6cef612b4ce4790f9f75cb34f84","src/sync/sharded_lock.rs":"6391b3b99b194b8e0888446c2dec340e4fb095753bcf0c1a80bc654f9c8be0e3","src/sync/wait_group.rs":"3e339aab014f50e214fea535c841755113ea058153378ed54e50a4acb403c937","src/thread.rs":"21cf9b3e965529e5c0a6ff8fc1ec846bfe0006c41deb238a149be8d07384e955","tests/atomic_cell.rs":"bf8bc869c922a1cbf929c3b741bae0cae98f2157f572b5a4eb2873d20a407c22","tests/cache_padded.rs":"1bfaff8354c8184e1ee1f902881ca9400b60effb273b0d3f752801a483d2b66d","tests/parker.rs":"6def4721287d9d70b1cfd63ebb34e1c83fbb3376edbad2bc8aac6ef69dd99d20","tests/sharded_lock.rs":"314adeb8a651a28935f7a49c9a261b8fa1fd82bf6a16c865a5aced6216d7e40b","tests/thread.rs":"9a7d7d3028c552fd834c68598b04a1cc252a816bc20ab62cec060d6cd09cab10","tests/wait_group.rs":"02661c2a820a5abe8b0c8fe15a6650aead707b57cdda0610d1b09a2680ed6969"},"package":"edbafec5fa1f196ca66527c1b12c2ec4745ca14b50f1ad8f9f6f720b55d11fac"}
\ No newline at end of file
diff --git a/vendor/crossbeam-utils/CHANGELOG.md b/vendor/crossbeam-utils/CHANGELOG.md
index 28812e1d6..3a93e4659 100644
--- a/vendor/crossbeam-utils/CHANGELOG.md
+++ b/vendor/crossbeam-utils/CHANGELOG.md
@@ -1,3 +1,8 @@
+# Version 0.8.12
+
+- Removes the dependency on the `once_cell` crate to restore the MSRV. (#913)
+- Work around [rust-lang#98302](https://github.com/rust-lang/rust/issues/98302), which causes compile error on windows-gnu when LTO is enabled. (#913)
+
 # Version 0.8.11
 
 - Bump the minimum supported Rust version to 1.38. (#877)
diff --git a/vendor/crossbeam-utils/Cargo.toml b/vendor/crossbeam-utils/Cargo.toml
index 9e1b58628..5cb2b0a84 100644
--- a/vendor/crossbeam-utils/Cargo.toml
+++ b/vendor/crossbeam-utils/Cargo.toml
@@ -13,7 +13,7 @@
 edition = "2018"
 rust-version = "1.38"
 name = "crossbeam-utils"
-version = "0.8.11"
+version = "0.8.12"
 description = "Utilities for concurrent programming"
 homepage = "https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-utils"
 readme = "README.md"
@@ -35,10 +35,6 @@ repository = "https://github.com/crossbeam-rs/crossbeam"
 [dependencies.cfg-if]
 version = "1"
 
-[dependencies.once_cell]
-version = "1"
-optional = true
-
 [dev-dependencies.rand]
 version = "0.8"
 
@@ -48,7 +44,7 @@ version = "1"
 [features]
 default = ["std"]
 nightly = []
-std = ["once_cell"]
+std = []
 
 [target."cfg(crossbeam_loom)".dependencies.loom]
 version = "0.5"
diff --git a/vendor/crossbeam-utils/no_atomic.rs b/vendor/crossbeam-utils/no_atomic.rs
index f740aaee1..675d9a27e 100644
--- a/vendor/crossbeam-utils/no_atomic.rs
+++ b/vendor/crossbeam-utils/no_atomic.rs
@@ -2,6 +2,8 @@
 // It is not intended for manual editing.
 
 const NO_ATOMIC_CAS: &[&str] = &[
+    "armv4t-none-eabi",
+    "armv5te-none-eabi",
     "avr-unknown-gnu-atmega328",
     "bpfeb-unknown-none",
     "bpfel-unknown-none",
@@ -10,6 +12,7 @@ const NO_ATOMIC_CAS: &[&str] = &[
     "riscv32im-unknown-none-elf",
     "riscv32imc-unknown-none-elf",
     "thumbv4t-none-eabi",
+    "thumbv5te-none-eabi",
     "thumbv6m-none-eabi",
 ];
 
@@ -18,7 +21,9 @@ const NO_ATOMIC_64: &[&str] = &[
     "arm-linux-androideabi",
     "armebv7r-none-eabi",
     "armebv7r-none-eabihf",
+    "armv4t-none-eabi",
     "armv4t-unknown-linux-gnueabi",
+    "armv5te-none-eabi",
     "armv5te-unknown-linux-gnueabi",
     "armv5te-unknown-linux-musleabi",
     "armv5te-unknown-linux-uclibceabi",
@@ -55,6 +60,7 @@ const NO_ATOMIC_64: &[&str] = &[
     "riscv32imac-unknown-xous-elf",
     "riscv32imc-unknown-none-elf",
     "thumbv4t-none-eabi",
+    "thumbv5te-none-eabi",
     "thumbv6m-none-eabi",
     "thumbv7em-none-eabi",
     "thumbv7em-none-eabihf",
diff --git a/vendor/crossbeam-utils/src/cache_padded.rs b/vendor/crossbeam-utils/src/cache_padded.rs
index 822e831d1..b5d5d33c9 100644
--- a/vendor/crossbeam-utils/src/cache_padded.rs
+++ b/vendor/crossbeam-utils/src/cache_padded.rs
@@ -39,9 +39,9 @@ use core::ops::{Deref, DerefMut};
 /// let addr1 = &*array[0] as *const i8 as usize;
 /// let addr2 = &*array[1] as *const i8 as usize;
 ///
-/// assert!(addr2 - addr1 >= 64);
-/// assert_eq!(addr1 % 64, 0);
-/// assert_eq!(addr2 % 64, 0);
+/// assert!(addr2 - addr1 >= 32);
+/// assert_eq!(addr1 % 32, 0);
+/// assert_eq!(addr2 % 32, 0);
 /// ```
 ///
 /// When building a concurrent queue with a head and a tail index, it is wise to place them in
diff --git a/vendor/crossbeam-utils/src/sync/mod.rs b/vendor/crossbeam-utils/src/sync/mod.rs
index eeb740c2c..f9eec71fb 100644
--- a/vendor/crossbeam-utils/src/sync/mod.rs
+++ b/vendor/crossbeam-utils/src/sync/mod.rs
@@ -4,6 +4,8 @@
 //! * [`ShardedLock`], a sharded reader-writer lock with fast concurrent reads.
 //! * [`WaitGroup`], for synchronizing the beginning or end of some computation.
 
+#[cfg(not(crossbeam_loom))]
+mod once_lock;
 mod parker;
 #[cfg(not(crossbeam_loom))]
 mod sharded_lock;
diff --git a/vendor/crossbeam-utils/src/sync/once_lock.rs b/vendor/crossbeam-utils/src/sync/once_lock.rs
new file mode 100644
index 000000000..c1fefc96c
--- /dev/null
+++ b/vendor/crossbeam-utils/src/sync/once_lock.rs
@@ -0,0 +1,103 @@
+// Based on unstable std::sync::OnceLock.
+//
+// Source: https://github.com/rust-lang/rust/blob/8e9c93df464b7ada3fc7a1c8ccddd9dcb24ee0a0/library/std/src/sync/once_lock.rs
+
+use core::cell::UnsafeCell;
+use core::mem::MaybeUninit;
+use core::sync::atomic::{AtomicBool, Ordering};
+use std::sync::Once;
+
+pub(crate) struct OnceLock<T> {
+    once: Once,
+    // Once::is_completed requires Rust 1.43, so use this to track of whether they have been initialized.
+    is_initialized: AtomicBool,
+    value: UnsafeCell<MaybeUninit<T>>,
+    // Unlike std::sync::OnceLock, we don't need PhantomData here because
+    // we don't use #[may_dangle].
+}
+
+unsafe impl<T: Sync + Send> Sync for OnceLock<T> {}
+unsafe impl<T: Send> Send for OnceLock<T> {}
+
+impl<T> OnceLock<T> {
+    /// Creates a new empty cell.
+    #[must_use]
+    pub(crate) const fn new() -> Self {
+        Self {
+            once: Once::new(),
+            is_initialized: AtomicBool::new(false),
+            value: UnsafeCell::new(MaybeUninit::uninit()),
+        }
+    }
+
+    /// Gets the contents of the cell, initializing it with `f` if the cell
+    /// was empty.
+    ///
+    /// Many threads may call `get_or_init` concurrently with different
+    /// initializing functions, but it is guaranteed that only one function
+    /// will be executed.
+    ///
+    /// # Panics
+    ///
+    /// If `f` panics, the panic is propagated to the caller, and the cell
+    /// remains uninitialized.
+    ///
+    /// It is an error to reentrantly initialize the cell from `f`. The
+    /// exact outcome is unspecified. Current implementation deadlocks, but
+    /// this may be changed to a panic in the future.
+    pub(crate) fn get_or_init<F>(&self, f: F) -> &T
+    where
+        F: FnOnce() -> T,
+    {
+        // Fast path check
+        if self.is_initialized() {
+            // SAFETY: The inner value has been initialized
+            return unsafe { self.get_unchecked() };
+        }
+        self.initialize(f);
+
+        debug_assert!(self.is_initialized());
+
+        // SAFETY: The inner value has been initialized
+        unsafe { self.get_unchecked() }
+    }
+
+    #[inline]
+    fn is_initialized(&self) -> bool {
+        self.is_initialized.load(Ordering::Acquire)
+    }
+
+    #[cold]
+    fn initialize<F>(&self, f: F)
+    where
+        F: FnOnce() -> T,
+    {
+        let slot = self.value.get().cast::<T>();
+        let is_initialized = &self.is_initialized;
+
+        self.once.call_once(|| {
+            let value = f();
+            unsafe {
+                slot.write(value);
+            }
+            is_initialized.store(true, Ordering::Release);
+        });
+    }
+
+    /// # Safety
+    ///
+    /// The value must be initialized
+    unsafe fn get_unchecked(&self) -> &T {
+        debug_assert!(self.is_initialized());
+        &*self.value.get().cast::<T>()
+    }
+}
+
+impl<T> Drop for OnceLock<T> {
+    fn drop(&mut self) {
+        if self.is_initialized() {
+            // SAFETY: The inner value has been initialized
+            unsafe { self.value.get().cast::<T>().drop_in_place() };
+        }
+    }
+}
diff --git a/vendor/crossbeam-utils/src/sync/sharded_lock.rs b/vendor/crossbeam-utils/src/sync/sharded_lock.rs
index 692653447..b43c55ea4 100644
--- a/vendor/crossbeam-utils/src/sync/sharded_lock.rs
+++ b/vendor/crossbeam-utils/src/sync/sharded_lock.rs
@@ -9,8 +9,8 @@ use std::sync::{LockResult, PoisonError, TryLockError, TryLockResult};
 use std::sync::{Mutex, RwLock, RwLockReadGuard, RwLockWriteGuard};
 use std::thread::{self, ThreadId};
 
+use crate::sync::once_lock::OnceLock;
 use crate::CachePadded;
-use once_cell::sync::Lazy;
 
 /// The number of shards per sharded lock. Must be a power of two.
 const NUM_SHARDS: usize = 8;
@@ -583,13 +583,17 @@ struct ThreadIndices {
     next_index: usize,
 }
 
-static THREAD_INDICES: Lazy<Mutex<ThreadIndices>> = Lazy::new(|| {
-    Mutex::new(ThreadIndices {
-        mapping: HashMap::new(),
-        free_list: Vec::new(),
-        next_index: 0,
-    })
-});
+fn thread_indices() -> &'static Mutex<ThreadIndices> {
+    static THREAD_INDICES: OnceLock<Mutex<ThreadIndices>> = OnceLock::new();
+    fn init() -> Mutex<ThreadIndices> {
+        Mutex::new(ThreadIndices {
+            mapping: HashMap::new(),
+            free_list: Vec::new(),
+            next_index: 0,
+        })
+    }
+    THREAD_INDICES.get_or_init(init)
+}
 
 /// A registration of a thread with an index.
 ///
@@ -601,7 +605,7 @@ struct Registration {
 
 impl Drop for Registration {
     fn drop(&mut self) {
-        let mut indices = THREAD_INDICES.lock().unwrap();
+        let mut indices = thread_indices().lock().unwrap();
         indices.mapping.remove(&self.thread_id);
         indices.free_list.push(self.index);
     }
@@ -610,7 +614,7 @@ impl Drop for Registration {
 thread_local! {
     static REGISTRATION: Registration = {
         let thread_id = thread::current().id();
-        let mut indices = THREAD_INDICES.lock().unwrap();
+        let mut indices = thread_indices().lock().unwrap();
 
         let index = match indices.free_list.pop() {
             Some(i) => i,
diff --git a/vendor/crossbeam-utils/src/sync/wait_group.rs b/vendor/crossbeam-utils/src/sync/wait_group.rs
index 4206ee42b..19d607415 100644
--- a/vendor/crossbeam-utils/src/sync/wait_group.rs
+++ b/vendor/crossbeam-utils/src/sync/wait_group.rs
@@ -1,6 +1,3 @@
-// Necessary for using `Mutex<usize>` for conditional variables
-#![allow(clippy::mutex_atomic)]
-
 use crate::primitive::sync::{Arc, Condvar, Mutex};
 use std::fmt;
 
@@ -42,6 +39,7 @@ use std::fmt;
 ///
 /// // Block until all threads have finished their work.
 /// wg.wait();
+/// # std::thread::sleep(std::time::Duration::from_millis(500)); // wait for background threads closed: https://github.com/rust-lang/miri/issues/1371
 /// ```
 ///
 /// [`Barrier`]: std::sync::Barrier
@@ -100,6 +98,7 @@ impl WaitGroup {
     ///
     /// // Block until both threads have reached `wait()`.
     /// wg.wait();
+    /// # std::thread::sleep(std::time::Duration::from_millis(500)); // wait for background threads closed: https://github.com/rust-lang/miri/issues/1371
     /// ```
     pub fn wait(self) {
         if *self.inner.count.lock().unwrap() == 1 {