Merging upstream version 1.71.1+dfsg1.

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

11 files changed, 786 insertions, 7 deletions

diff --git a/vendor/rayon/src/array.rs b/vendor/rayon/src/array.rs
index 937bebf3b..32a5fdd2f 100644
--- a/vendor/rayon/src/array.rs
+++ b/vendor/rayon/src/array.rs
@@ -78,7 +78,8 @@ impl<T: Send, const N: usize> IndexedParallelIterator for IntoIter<T, N> {
         unsafe {
             // Drain every item, and then the local array can just fall out of scope.
             let mut array = ManuallyDrop::new(self.array);
-            callback.callback(DrainProducer::new(&mut *array))
+            let producer = DrainProducer::new(array.as_mut_slice());
+            callback.callback(producer)
         }
     }
 }
diff --git a/vendor/rayon/src/iter/collect/test.rs b/vendor/rayon/src/iter/collect/test.rs
index b5f676f5d..97bec3f4e 100644
--- a/vendor/rayon/src/iter/collect/test.rs
+++ b/vendor/rayon/src/iter/collect/test.rs
@@ -76,6 +76,7 @@ fn right_produces_items_with_no_complete() {
 
 // Complete is not called by the consumer. Hence,the collection vector is not fully initialized.
 #[test]
+#[cfg_attr(not(panic = "unwind"), ignore)]
 fn produces_items_with_no_complete() {
     let counter = DropCounter::default();
     let mut v = vec![];
@@ -273,6 +274,7 @@ fn right_panics() {
 // The left consumer produces fewer items while the right
 // consumer produces correct number; check that created elements are dropped
 #[test]
+#[cfg_attr(not(panic = "unwind"), ignore)]
 fn left_produces_fewer_items_drops() {
     let counter = DropCounter::default();
     let mut v = vec![];
diff --git a/vendor/rayon/src/iter/mod.rs b/vendor/rayon/src/iter/mod.rs
index 98c93267f..e60ea1633 100644
--- a/vendor/rayon/src/iter/mod.rs
+++ b/vendor/rayon/src/iter/mod.rs
@@ -141,10 +141,14 @@ mod reduce;
 mod repeat;
 mod rev;
 mod skip;
+mod skip_any;
+mod skip_any_while;
 mod splitter;
 mod step_by;
 mod sum;
 mod take;
+mod take_any;
+mod take_any_while;
 mod try_fold;
 mod try_reduce;
 mod try_reduce_with;
@@ -185,9 +189,13 @@ pub use self::{
     repeat::{repeat, repeatn, Repeat, RepeatN},
     rev::Rev,
     skip::Skip,
+    skip_any::SkipAny,
+    skip_any_while::SkipAnyWhile,
     splitter::{split, Split},
     step_by::StepBy,
     take::Take,
+    take_any::TakeAny,
+    take_any_while::TakeAnyWhile,
     try_fold::{TryFold, TryFoldWith},
     update::Update,
     while_some::WhileSome,
@@ -2194,6 +2202,143 @@ pub trait ParallelIterator: Sized + Send {
         Intersperse::new(self, element)
     }
 
+    /// Creates an iterator that yields `n` elements from *anywhere* in the original iterator.
+    ///
+    /// This is similar to [`IndexedParallelIterator::take`] without being
+    /// constrained to the "first" `n` of the original iterator order. The
+    /// taken items will still maintain their relative order where that is
+    /// visible in `collect`, `reduce`, and similar outputs.
+    ///
+    /// # Examples
+    ///
+    /// ```
+    /// use rayon::prelude::*;
+    ///
+    /// let result: Vec<_> = (0..100)
+    ///     .into_par_iter()
+    ///     .filter(|&x| x % 2 == 0)
+    ///     .take_any(5)
+    ///     .collect();
+    ///
+    /// assert_eq!(result.len(), 5);
+    /// assert!(result.windows(2).all(|w| w[0] < w[1]));
+    /// ```
+    fn take_any(self, n: usize) -> TakeAny<Self> {
+        TakeAny::new(self, n)
+    }
+
+    /// Creates an iterator that skips `n` elements from *anywhere* in the original iterator.
+    ///
+    /// This is similar to [`IndexedParallelIterator::skip`] without being
+    /// constrained to the "first" `n` of the original iterator order. The
+    /// remaining items will still maintain their relative order where that is
+    /// visible in `collect`, `reduce`, and similar outputs.
+    ///
+    /// # Examples
+    ///
+    /// ```
+    /// use rayon::prelude::*;
+    ///
+    /// let result: Vec<_> = (0..100)
+    ///     .into_par_iter()
+    ///     .filter(|&x| x % 2 == 0)
+    ///     .skip_any(5)
+    ///     .collect();
+    ///
+    /// assert_eq!(result.len(), 45);
+    /// assert!(result.windows(2).all(|w| w[0] < w[1]));
+    /// ```
+    fn skip_any(self, n: usize) -> SkipAny<Self> {
+        SkipAny::new(self, n)
+    }
+
+    /// Creates an iterator that takes elements from *anywhere* in the original iterator
+    /// until the given `predicate` returns `false`.
+    ///
+    /// The `predicate` may be anything -- e.g. it could be checking a fact about the item, a
+    /// global condition unrelated to the item itself, or some combination thereof.
+    ///
+    /// If parallel calls to the `predicate` race and give different results, then the
+    /// `true` results will still take those particular items, while respecting the `false`
+    /// result from elsewhere to skip any further items.
+    ///
+    /// This is similar to [`Iterator::take_while`] without being constrained to the original
+    /// iterator order. The taken items will still maintain their relative order where that is
+    /// visible in `collect`, `reduce`, and similar outputs.
+    ///
+    /// # Examples
+    ///
+    /// ```
+    /// use rayon::prelude::*;
+    ///
+    /// let result: Vec<_> = (0..100)
+    ///     .into_par_iter()
+    ///     .take_any_while(|x| *x < 50)
+    ///     .collect();
+    ///
+    /// assert!(result.len() <= 50);
+    /// assert!(result.windows(2).all(|w| w[0] < w[1]));
+    /// ```
+    ///
+    /// ```
+    /// use rayon::prelude::*;
+    /// use std::sync::atomic::AtomicUsize;
+    /// use std::sync::atomic::Ordering::Relaxed;
+    ///
+    /// // Collect any group of items that sum <= 1000
+    /// let quota = AtomicUsize::new(1000);
+    /// let result: Vec<_> = (0_usize..100)
+    ///     .into_par_iter()
+    ///     .take_any_while(|&x| {
+    ///         quota.fetch_update(Relaxed, Relaxed, |q| q.checked_sub(x))
+    ///             .is_ok()
+    ///     })
+    ///     .collect();
+    ///
+    /// let sum = result.iter().sum::<usize>();
+    /// assert!(matches!(sum, 902..=1000));
+    /// ```
+    fn take_any_while<P>(self, predicate: P) -> TakeAnyWhile<Self, P>
+    where
+        P: Fn(&Self::Item) -> bool + Sync + Send,
+    {
+        TakeAnyWhile::new(self, predicate)
+    }
+
+    /// Creates an iterator that skips elements from *anywhere* in the original iterator
+    /// until the given `predicate` returns `false`.
+    ///
+    /// The `predicate` may be anything -- e.g. it could be checking a fact about the item, a
+    /// global condition unrelated to the item itself, or some combination thereof.
+    ///
+    /// If parallel calls to the `predicate` race and give different results, then the
+    /// `true` results will still skip those particular items, while respecting the `false`
+    /// result from elsewhere to skip any further items.
+    ///
+    /// This is similar to [`Iterator::skip_while`] without being constrained to the original
+    /// iterator order. The remaining items will still maintain their relative order where that is
+    /// visible in `collect`, `reduce`, and similar outputs.
+    ///
+    /// # Examples
+    ///
+    /// ```
+    /// use rayon::prelude::*;
+    ///
+    /// let result: Vec<_> = (0..100)
+    ///     .into_par_iter()
+    ///     .skip_any_while(|x| *x < 50)
+    ///     .collect();
+    ///
+    /// assert!(result.len() >= 50);
+    /// assert!(result.windows(2).all(|w| w[0] < w[1]));
+    /// ```
+    fn skip_any_while<P>(self, predicate: P) -> SkipAnyWhile<Self, P>
+    where
+        P: Fn(&Self::Item) -> bool + Sync + Send,
+    {
+        SkipAnyWhile::new(self, predicate)
+    }
+
     /// Internal method used to define the behavior of this parallel
     /// iterator. You should not need to call this directly.
     ///
@@ -2419,6 +2564,7 @@ pub trait IndexedParallelIterator: ParallelIterator {
     /// let r: Vec<Vec<i32>> = a.into_par_iter().chunks(3).collect();
     /// assert_eq!(r, vec![vec![1,2,3], vec![4,5,6], vec![7,8,9], vec![10]]);
     /// ```
+    #[track_caller]
     fn chunks(self, chunk_size: usize) -> Chunks<Self> {
         assert!(chunk_size != 0, "chunk_size must not be zero");
         Chunks::new(self, chunk_size)
diff --git a/vendor/rayon/src/iter/plumbing/README.md b/vendor/rayon/src/iter/plumbing/README.md
index dbee36ba0..42d22effe 100644
--- a/vendor/rayon/src/iter/plumbing/README.md
+++ b/vendor/rayon/src/iter/plumbing/README.md
@@ -35,8 +35,8 @@ modes (which is why there are two):
   more like a `for_each` call: each time a new item is produced, the
   `consume` method is called with that item. (The traits themselves are
   a bit more complex, as they support state that can be threaded
-  through and ultimately reduced.) Unlike producers, there are two
-  variants of consumers. The difference is how the split is performed:
+  through and ultimately reduced.) Like producers, there are two
+  variants of consumers which differ in how the split is performed:
   - in the `Consumer` trait, splitting is done with `split_at`, which
     accepts an index where the split should be performed. All
     iterators can work in this mode. The resulting halves thus have an
diff --git a/vendor/rayon/src/iter/skip_any.rs b/vendor/rayon/src/iter/skip_any.rs
new file mode 100644
index 000000000..0660a564a
--- /dev/null
+++ b/vendor/rayon/src/iter/skip_any.rs
@@ -0,0 +1,144 @@
+use super::plumbing::*;
+use super::*;
+use std::sync::atomic::{AtomicUsize, Ordering};
+
+/// `SkipAny` is an iterator that skips over `n` elements from anywhere in `I`.
+/// This struct is created by the [`skip_any()`] method on [`ParallelIterator`]
+///
+/// [`skip_any()`]: trait.ParallelIterator.html#method.skip_any
+/// [`ParallelIterator`]: trait.ParallelIterator.html
+#[must_use = "iterator adaptors are lazy and do nothing unless consumed"]
+#[derive(Clone, Debug)]
+pub struct SkipAny<I: ParallelIterator> {
+    base: I,
+    count: usize,
+}
+
+impl<I> SkipAny<I>
+where
+    I: ParallelIterator,
+{
+    /// Creates a new `SkipAny` iterator.
+    pub(super) fn new(base: I, count: usize) -> Self {
+        SkipAny { base, count }
+    }
+}
+
+impl<I> ParallelIterator for SkipAny<I>
+where
+    I: ParallelIterator,
+{
+    type Item = I::Item;
+
+    fn drive_unindexed<C>(self, consumer: C) -> C::Result
+    where
+        C: UnindexedConsumer<Self::Item>,
+    {
+        let consumer1 = SkipAnyConsumer {
+            base: consumer,
+            count: &AtomicUsize::new(self.count),
+        };
+        self.base.drive_unindexed(consumer1)
+    }
+}
+
+/// ////////////////////////////////////////////////////////////////////////
+/// Consumer implementation
+
+struct SkipAnyConsumer<'f, C> {
+    base: C,
+    count: &'f AtomicUsize,
+}
+
+impl<'f, T, C> Consumer<T> for SkipAnyConsumer<'f, C>
+where
+    C: Consumer<T>,
+    T: Send,
+{
+    type Folder = SkipAnyFolder<'f, C::Folder>;
+    type Reducer = C::Reducer;
+    type Result = C::Result;
+
+    fn split_at(self, index: usize) -> (Self, Self, Self::Reducer) {
+        let (left, right, reducer) = self.base.split_at(index);
+        (
+            SkipAnyConsumer { base: left, ..self },
+            SkipAnyConsumer {
+                base: right,
+                ..self
+            },
+            reducer,
+        )
+    }
+
+    fn into_folder(self) -> Self::Folder {
+        SkipAnyFolder {
+            base: self.base.into_folder(),
+            count: self.count,
+        }
+    }
+
+    fn full(&self) -> bool {
+        self.base.full()
+    }
+}
+
+impl<'f, T, C> UnindexedConsumer<T> for SkipAnyConsumer<'f, C>
+where
+    C: UnindexedConsumer<T>,
+    T: Send,
+{
+    fn split_off_left(&self) -> Self {
+        SkipAnyConsumer {
+            base: self.base.split_off_left(),
+            ..*self
+        }
+    }
+
+    fn to_reducer(&self) -> Self::Reducer {
+        self.base.to_reducer()
+    }
+}
+
+struct SkipAnyFolder<'f, C> {
+    base: C,
+    count: &'f AtomicUsize,
+}
+
+fn checked_decrement(u: &AtomicUsize) -> bool {
+    u.fetch_update(Ordering::Relaxed, Ordering::Relaxed, |u| u.checked_sub(1))
+        .is_ok()
+}
+
+impl<'f, T, C> Folder<T> for SkipAnyFolder<'f, C>
+where
+    C: Folder<T>,
+{
+    type Result = C::Result;
+
+    fn consume(mut self, item: T) -> Self {
+        if !checked_decrement(self.count) {
+            self.base = self.base.consume(item);
+        }
+        self
+    }
+
+    fn consume_iter<I>(mut self, iter: I) -> Self
+    where
+        I: IntoIterator<Item = T>,
+    {
+        self.base = self.base.consume_iter(
+            iter.into_iter()
+                .skip_while(move |_| checked_decrement(self.count)),
+        );
+        self
+    }
+
+    fn complete(self) -> C::Result {
+        self.base.complete()
+    }
+
+    fn full(&self) -> bool {
+        self.base.full()
+    }
+}
diff --git a/vendor/rayon/src/iter/skip_any_while.rs b/vendor/rayon/src/iter/skip_any_while.rs
new file mode 100644
index 000000000..28b9e5973
--- /dev/null
+++ b/vendor/rayon/src/iter/skip_any_while.rs
@@ -0,0 +1,166 @@
+use super::plumbing::*;
+use super::*;
+use std::fmt;
+use std::sync::atomic::{AtomicBool, Ordering};
+
+/// `SkipAnyWhile` is an iterator that skips over elements from anywhere in `I`
+/// until the callback returns `false`.
+/// This struct is created by the [`skip_any_while()`] method on [`ParallelIterator`]
+///
+/// [`skip_any_while()`]: trait.ParallelIterator.html#method.skip_any_while
+/// [`ParallelIterator`]: trait.ParallelIterator.html
+#[must_use = "iterator adaptors are lazy and do nothing unless consumed"]
+#[derive(Clone)]
+pub struct SkipAnyWhile<I: ParallelIterator, P> {
+    base: I,
+    predicate: P,
+}
+
+impl<I: ParallelIterator + fmt::Debug, P> fmt::Debug for SkipAnyWhile<I, P> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_struct("SkipAnyWhile")
+            .field("base", &self.base)
+            .finish()
+    }
+}
+
+impl<I, P> SkipAnyWhile<I, P>
+where
+    I: ParallelIterator,
+{
+    /// Creates a new `SkipAnyWhile` iterator.
+    pub(super) fn new(base: I, predicate: P) -> Self {
+        SkipAnyWhile { base, predicate }
+    }
+}
+
+impl<I, P> ParallelIterator for SkipAnyWhile<I, P>
+where
+    I: ParallelIterator,
+    P: Fn(&I::Item) -> bool + Sync + Send,
+{
+    type Item = I::Item;
+
+    fn drive_unindexed<C>(self, consumer: C) -> C::Result
+    where
+        C: UnindexedConsumer<Self::Item>,
+    {
+        let consumer1 = SkipAnyWhileConsumer {
+            base: consumer,
+            predicate: &self.predicate,
+            skipping: &AtomicBool::new(true),
+        };
+        self.base.drive_unindexed(consumer1)
+    }
+}
+
+/// ////////////////////////////////////////////////////////////////////////
+/// Consumer implementation
+
+struct SkipAnyWhileConsumer<'p, C, P> {
+    base: C,
+    predicate: &'p P,
+    skipping: &'p AtomicBool,
+}
+
+impl<'p, T, C, P> Consumer<T> for SkipAnyWhileConsumer<'p, C, P>
+where
+    C: Consumer<T>,
+    P: Fn(&T) -> bool + Sync,
+{
+    type Folder = SkipAnyWhileFolder<'p, C::Folder, P>;
+    type Reducer = C::Reducer;
+    type Result = C::Result;
+
+    fn split_at(self, index: usize) -> (Self, Self, Self::Reducer) {
+        let (left, right, reducer) = self.base.split_at(index);
+        (
+            SkipAnyWhileConsumer { base: left, ..self },
+            SkipAnyWhileConsumer {
+                base: right,
+                ..self
+            },
+            reducer,
+        )
+    }
+
+    fn into_folder(self) -> Self::Folder {
+        SkipAnyWhileFolder {
+            base: self.base.into_folder(),
+            predicate: self.predicate,
+            skipping: self.skipping,
+        }
+    }
+
+    fn full(&self) -> bool {
+        self.base.full()
+    }
+}
+
+impl<'p, T, C, P> UnindexedConsumer<T> for SkipAnyWhileConsumer<'p, C, P>
+where
+    C: UnindexedConsumer<T>,
+    P: Fn(&T) -> bool + Sync,
+{
+    fn split_off_left(&self) -> Self {
+        SkipAnyWhileConsumer {
+            base: self.base.split_off_left(),
+            ..*self
+        }
+    }
+
+    fn to_reducer(&self) -> Self::Reducer {
+        self.base.to_reducer()
+    }
+}
+
+struct SkipAnyWhileFolder<'p, C, P> {
+    base: C,
+    predicate: &'p P,
+    skipping: &'p AtomicBool,
+}
+
+fn skip<T>(item: &T, skipping: &AtomicBool, predicate: &impl Fn(&T) -> bool) -> bool {
+    if !skipping.load(Ordering::Relaxed) {
+        return false;
+    }
+    if predicate(item) {
+        return true;
+    }
+    skipping.store(false, Ordering::Relaxed);
+    false
+}
+
+impl<'p, T, C, P> Folder<T> for SkipAnyWhileFolder<'p, C, P>
+where
+    C: Folder<T>,
+    P: Fn(&T) -> bool + 'p,
+{
+    type Result = C::Result;
+
+    fn consume(mut self, item: T) -> Self {
+        if !skip(&item, self.skipping, self.predicate) {
+            self.base = self.base.consume(item);
+        }
+        self
+    }
+
+    fn consume_iter<I>(mut self, iter: I) -> Self
+    where
+        I: IntoIterator<Item = T>,
+    {
+        self.base = self.base.consume_iter(
+            iter.into_iter()
+                .skip_while(move |x| skip(x, self.skipping, self.predicate)),
+        );
+        self
+    }
+
+    fn complete(self) -> C::Result {
+        self.base.complete()
+    }
+
+    fn full(&self) -> bool {
+        self.base.full()
+    }
+}
diff --git a/vendor/rayon/src/iter/take_any.rs b/vendor/rayon/src/iter/take_any.rs
new file mode 100644
index 000000000..e3992b383
--- /dev/null
+++ b/vendor/rayon/src/iter/take_any.rs
@@ -0,0 +1,144 @@
+use super::plumbing::*;
+use super::*;
+use std::sync::atomic::{AtomicUsize, Ordering};
+
+/// `TakeAny` is an iterator that iterates over `n` elements from anywhere in `I`.
+/// This struct is created by the [`take_any()`] method on [`ParallelIterator`]
+///
+/// [`take_any()`]: trait.ParallelIterator.html#method.take_any
+/// [`ParallelIterator`]: trait.ParallelIterator.html
+#[must_use = "iterator adaptors are lazy and do nothing unless consumed"]
+#[derive(Clone, Debug)]
+pub struct TakeAny<I: ParallelIterator> {
+    base: I,
+    count: usize,
+}
+
+impl<I> TakeAny<I>
+where
+    I: ParallelIterator,
+{
+    /// Creates a new `TakeAny` iterator.
+    pub(super) fn new(base: I, count: usize) -> Self {
+        TakeAny { base, count }
+    }
+}
+
+impl<I> ParallelIterator for TakeAny<I>
+where
+    I: ParallelIterator,
+{
+    type Item = I::Item;
+
+    fn drive_unindexed<C>(self, consumer: C) -> C::Result
+    where
+        C: UnindexedConsumer<Self::Item>,
+    {
+        let consumer1 = TakeAnyConsumer {
+            base: consumer,
+            count: &AtomicUsize::new(self.count),
+        };
+        self.base.drive_unindexed(consumer1)
+    }
+}
+
+/// ////////////////////////////////////////////////////////////////////////
+/// Consumer implementation
+
+struct TakeAnyConsumer<'f, C> {
+    base: C,
+    count: &'f AtomicUsize,
+}
+
+impl<'f, T, C> Consumer<T> for TakeAnyConsumer<'f, C>
+where
+    C: Consumer<T>,
+    T: Send,
+{
+    type Folder = TakeAnyFolder<'f, C::Folder>;
+    type Reducer = C::Reducer;
+    type Result = C::Result;
+
+    fn split_at(self, index: usize) -> (Self, Self, Self::Reducer) {
+        let (left, right, reducer) = self.base.split_at(index);
+        (
+            TakeAnyConsumer { base: left, ..self },
+            TakeAnyConsumer {
+                base: right,
+                ..self
+            },
+            reducer,
+        )
+    }
+
+    fn into_folder(self) -> Self::Folder {
+        TakeAnyFolder {
+            base: self.base.into_folder(),
+            count: self.count,
+        }
+    }
+
+    fn full(&self) -> bool {
+        self.count.load(Ordering::Relaxed) == 0 || self.base.full()
+    }
+}
+
+impl<'f, T, C> UnindexedConsumer<T> for TakeAnyConsumer<'f, C>
+where
+    C: UnindexedConsumer<T>,
+    T: Send,
+{
+    fn split_off_left(&self) -> Self {
+        TakeAnyConsumer {
+            base: self.base.split_off_left(),
+            ..*self
+        }
+    }
+
+    fn to_reducer(&self) -> Self::Reducer {
+        self.base.to_reducer()
+    }
+}
+
+struct TakeAnyFolder<'f, C> {
+    base: C,
+    count: &'f AtomicUsize,
+}
+
+fn checked_decrement(u: &AtomicUsize) -> bool {
+    u.fetch_update(Ordering::Relaxed, Ordering::Relaxed, |u| u.checked_sub(1))
+        .is_ok()
+}
+
+impl<'f, T, C> Folder<T> for TakeAnyFolder<'f, C>
+where
+    C: Folder<T>,
+{
+    type Result = C::Result;
+
+    fn consume(mut self, item: T) -> Self {
+        if checked_decrement(self.count) {
+            self.base = self.base.consume(item);
+        }
+        self
+    }
+
+    fn consume_iter<I>(mut self, iter: I) -> Self
+    where
+        I: IntoIterator<Item = T>,
+    {
+        self.base = self.base.consume_iter(
+            iter.into_iter()
+                .take_while(move |_| checked_decrement(self.count)),
+        );
+        self
+    }
+
+    fn complete(self) -> C::Result {
+        self.base.complete()
+    }
+
+    fn full(&self) -> bool {
+        self.count.load(Ordering::Relaxed) == 0 || self.base.full()
+    }
+}
diff --git a/vendor/rayon/src/iter/take_any_while.rs b/vendor/rayon/src/iter/take_any_while.rs
new file mode 100644
index 000000000..e6a91afab
--- /dev/null
+++ b/vendor/rayon/src/iter/take_any_while.rs
@@ -0,0 +1,166 @@
+use super::plumbing::*;
+use super::*;
+use std::fmt;
+use std::sync::atomic::{AtomicBool, Ordering};
+
+/// `TakeAnyWhile` is an iterator that iterates over elements from anywhere in `I`
+/// until the callback returns `false`.
+/// This struct is created by the [`take_any_while()`] method on [`ParallelIterator`]
+///
+/// [`take_any_while()`]: trait.ParallelIterator.html#method.take_any_while
+/// [`ParallelIterator`]: trait.ParallelIterator.html
+#[must_use = "iterator adaptors are lazy and do nothing unless consumed"]
+#[derive(Clone)]
+pub struct TakeAnyWhile<I: ParallelIterator, P> {
+    base: I,
+    predicate: P,
+}
+
+impl<I: ParallelIterator + fmt::Debug, P> fmt::Debug for TakeAnyWhile<I, P> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_struct("TakeAnyWhile")
+            .field("base", &self.base)
+            .finish()
+    }
+}
+
+impl<I, P> TakeAnyWhile<I, P>
+where
+    I: ParallelIterator,
+{
+    /// Creates a new `TakeAnyWhile` iterator.
+    pub(super) fn new(base: I, predicate: P) -> Self {
+        TakeAnyWhile { base, predicate }
+    }
+}
+
+impl<I, P> ParallelIterator for TakeAnyWhile<I, P>
+where
+    I: ParallelIterator,
+    P: Fn(&I::Item) -> bool + Sync + Send,
+{
+    type Item = I::Item;
+
+    fn drive_unindexed<C>(self, consumer: C) -> C::Result
+    where
+        C: UnindexedConsumer<Self::Item>,
+    {
+        let consumer1 = TakeAnyWhileConsumer {
+            base: consumer,
+            predicate: &self.predicate,
+            taking: &AtomicBool::new(true),
+        };
+        self.base.drive_unindexed(consumer1)
+    }
+}
+
+/// ////////////////////////////////////////////////////////////////////////
+/// Consumer implementation
+
+struct TakeAnyWhileConsumer<'p, C, P> {
+    base: C,
+    predicate: &'p P,
+    taking: &'p AtomicBool,
+}
+
+impl<'p, T, C, P> Consumer<T> for TakeAnyWhileConsumer<'p, C, P>
+where
+    C: Consumer<T>,
+    P: Fn(&T) -> bool + Sync,
+{
+    type Folder = TakeAnyWhileFolder<'p, C::Folder, P>;
+    type Reducer = C::Reducer;
+    type Result = C::Result;
+
+    fn split_at(self, index: usize) -> (Self, Self, Self::Reducer) {
+        let (left, right, reducer) = self.base.split_at(index);
+        (
+            TakeAnyWhileConsumer { base: left, ..self },
+            TakeAnyWhileConsumer {
+                base: right,
+                ..self
+            },
+            reducer,
+        )
+    }
+
+    fn into_folder(self) -> Self::Folder {
+        TakeAnyWhileFolder {
+            base: self.base.into_folder(),
+            predicate: self.predicate,
+            taking: self.taking,
+        }
+    }
+
+    fn full(&self) -> bool {
+        !self.taking.load(Ordering::Relaxed) || self.base.full()
+    }
+}
+
+impl<'p, T, C, P> UnindexedConsumer<T> for TakeAnyWhileConsumer<'p, C, P>
+where
+    C: UnindexedConsumer<T>,
+    P: Fn(&T) -> bool + Sync,
+{
+    fn split_off_left(&self) -> Self {
+        TakeAnyWhileConsumer {
+            base: self.base.split_off_left(),
+            ..*self
+        }
+    }
+
+    fn to_reducer(&self) -> Self::Reducer {
+        self.base.to_reducer()
+    }
+}
+
+struct TakeAnyWhileFolder<'p, C, P> {
+    base: C,
+    predicate: &'p P,
+    taking: &'p AtomicBool,
+}
+
+fn take<T>(item: &T, taking: &AtomicBool, predicate: &impl Fn(&T) -> bool) -> bool {
+    if !taking.load(Ordering::Relaxed) {
+        return false;
+    }
+    if predicate(item) {
+        return true;
+    }
+    taking.store(false, Ordering::Relaxed);
+    false
+}
+
+impl<'p, T, C, P> Folder<T> for TakeAnyWhileFolder<'p, C, P>
+where
+    C: Folder<T>,
+    P: Fn(&T) -> bool + 'p,
+{
+    type Result = C::Result;
+
+    fn consume(mut self, item: T) -> Self {
+        if take(&item, self.taking, self.predicate) {
+            self.base = self.base.consume(item);
+        }
+        self
+    }
+
+    fn consume_iter<I>(mut self, iter: I) -> Self
+    where
+        I: IntoIterator<Item = T>,
+    {
+        self.base = self.base.consume_iter(
+            iter.into_iter()
+                .take_while(move |x| take(x, self.taking, self.predicate)),
+        );
+        self
+    }
+
+    fn complete(self) -> C::Result {
+        self.base.complete()
+    }
+
+    fn full(&self) -> bool {
+        !self.taking.load(Ordering::Relaxed) || self.base.full()
+    }
+}
diff --git a/vendor/rayon/src/iter/test.rs b/vendor/rayon/src/iter/test.rs
index 94323d79d..c72068df7 100644
--- a/vendor/rayon/src/iter/test.rs
+++ b/vendor/rayon/src/iter/test.rs
@@ -468,6 +468,7 @@ fn check_cmp_gt_to_seq() {
 }
 
 #[test]
+#[cfg_attr(any(target_os = "emscripten", target_family = "wasm"), ignore)]
 fn check_cmp_short_circuit() {
     // We only use a single thread in order to make the short-circuit behavior deterministic.
     let pool = ThreadPoolBuilder::new().num_threads(1).build().unwrap();
@@ -497,6 +498,7 @@ fn check_cmp_short_circuit() {
 }
 
 #[test]
+#[cfg_attr(any(target_os = "emscripten", target_family = "wasm"), ignore)]
 fn check_partial_cmp_short_circuit() {
     // We only use a single thread to make the short-circuit behavior deterministic.
     let pool = ThreadPoolBuilder::new().num_threads(1).build().unwrap();
@@ -526,6 +528,7 @@ fn check_partial_cmp_short_circuit() {
 }
 
 #[test]
+#[cfg_attr(any(target_os = "emscripten", target_family = "wasm"), ignore)]
 fn check_partial_cmp_nan_short_circuit() {
     // We only use a single thread to make the short-circuit behavior deterministic.
     let pool = ThreadPoolBuilder::new().num_threads(1).build().unwrap();
diff --git a/vendor/rayon/src/lib.rs b/vendor/rayon/src/lib.rs
index 25a5e16a7..86f997b36 100644
--- a/vendor/rayon/src/lib.rs
+++ b/vendor/rayon/src/lib.rs
@@ -76,6 +76,11 @@
 //! [the `collections` from `std`]: https://doc.rust-lang.org/std/collections/index.html
 //! [`std`]: https://doc.rust-lang.org/std/
 //!
+//! # Targets without threading
+//!
+//! Rayon has limited support for targets without `std` threading implementations.
+//! See the [`rayon_core`] documentation for more information about its global fallback.
+//!
 //! # Other questions?
 //!
 //! See [the Rayon FAQ][faq].
@@ -119,6 +124,7 @@ pub use rayon_core::{in_place_scope, scope, Scope};
 pub use rayon_core::{in_place_scope_fifo, scope_fifo, ScopeFifo};
 pub use rayon_core::{join, join_context};
 pub use rayon_core::{spawn, spawn_fifo};
+pub use rayon_core::{yield_local, yield_now, Yield};
 
 /// We need to transmit raw pointers across threads. It is possible to do this
 /// without any unsafe code by converting pointers to usize or to AtomicPtr<T>
diff --git a/vendor/rayon/src/vec.rs b/vendor/rayon/src/vec.rs
index c804b0f33..7892f53fa 100644
--- a/vendor/rayon/src/vec.rs
+++ b/vendor/rayon/src/vec.rs
@@ -225,8 +225,9 @@ impl<'data, T: 'data + Send> Producer for DrainProducer<'data, T> {
 
 impl<'data, T: 'data + Send> Drop for DrainProducer<'data, T> {
     fn drop(&mut self) {
-        // use `Drop for [T]`
-        unsafe { ptr::drop_in_place(self.slice) };
+        // extract the slice so we can use `Drop for [T]`
+        let slice_ptr: *mut [T] = mem::take::<&'data mut [T]>(&mut self.slice);
+        unsafe { ptr::drop_in_place::<[T]>(slice_ptr) };
     }
 }
 
@@ -276,7 +277,7 @@ impl<'data, T: 'data> iter::FusedIterator for SliceDrain<'data, T> {}
 impl<'data, T: 'data> Drop for SliceDrain<'data, T> {
     fn drop(&mut self) {
         // extract the iterator so we can use `Drop for [T]`
-        let iter = mem::replace(&mut self.iter, [].iter_mut());
-        unsafe { ptr::drop_in_place(iter.into_slice()) };
+        let slice_ptr: *mut [T] = mem::replace(&mut self.iter, [].iter_mut()).into_slice();
+        unsafe { ptr::drop_in_place::<[T]>(slice_ptr) };
     }
 }