CoAlloc: Vec: Working around ICE rust-lang/rust issue rust-lang#106473 ICE. WIP

Author: peter-lyons-kehl

library/alloc/src/vec/in_place_collect.rs

@@ -150,7 +150,7 @@ pub(super) trait InPlaceIterableMarker {}
 
 impl<T> InPlaceIterableMarker for T where T: InPlaceIterable {}
 
-impl<T, I> SpecFromIter<T, I> for Vec<T>
+impl<T, I> SpecFromIter<T, I> for Vec<T, Global, DEFAULT_COOP_PREFERRED>
 where
     I: Iterator<Item = T> + SourceIter<Source: AsVecIntoIter> + InPlaceIterableMarker,
 {

library/alloc/src/vec/mod.rs

@@ -2868,7 +2868,7 @@ where
 
 #[cfg(not(no_global_oom_handling))]
 #[stable(feature = "rust1", since = "1.0.0")]
-impl<T> FromIterator<T> for Vec<T> {
+impl<T> FromIterator<T> for Vec<T, Global, DEFAULT_COOP_PREFERRED> {
     #[inline]
     fn from_iter<I: IntoIterator<Item = T>>(iter: I) -> Vec<T> {
         <Self as SpecFromIter<T, I::IntoIter>>::from_iter(iter.into_iter())
@@ -3286,7 +3286,7 @@ where
 
 #[cfg(not(no_global_oom_handling))]
 #[stable(feature = "rust1", since = "1.0.0")]
-impl<T: Clone> From<&[T]> for Vec<T> {
+impl<T: Clone> From<&[T]> for Vec<T, Global, DEFAULT_COOP_PREFERRED> {
     /// Allocate a `Vec<T>` and fill it by cloning `s`'s items.
     ///
     /// # Examples
@@ -3306,7 +3306,7 @@ impl<T: Clone> From<&[T]> for Vec<T> {
 
 #[cfg(not(no_global_oom_handling))]
 #[stable(feature = "vec_from_mut", since = "1.19.0")]
-impl<T: Clone> From<&mut [T]> for Vec<T> {
+impl<T: Clone> From<&mut [T]> for Vec<T, Global, DEFAULT_COOP_PREFERRED> {
     /// Allocate a `Vec<T>` and fill it by cloning `s`'s items.
     ///
     /// # Examples
@@ -3326,7 +3326,7 @@ impl<T: Clone> From<&mut [T]> for Vec<T> {
 
 #[cfg(not(no_global_oom_handling))]
 #[stable(feature = "vec_from_array", since = "1.44.0")]
-impl<T, const N: usize> From<[T; N]> for Vec<T> {
+impl<T, const N: usize> From<[T; N]> for Vec<T, Global, DEFAULT_COOP_PREFERRED> {
     /// Allocate a `Vec<T>` and move `s`'s items into it.
     ///
     /// # Examples
@@ -3349,7 +3349,7 @@ impl<T, const N: usize> From<[T; N]> for Vec<T> {
 }
 
 #[stable(feature = "vec_from_cow_slice", since = "1.14.0")]
-impl<'a, T> From<Cow<'a, [T]>> for Vec<T>
+impl<'a, T> From<Cow<'a, [T]>> for Vec<T, Global, DEFAULT_COOP_PREFERRED>
 where
     [T]: ToOwned<Owned = Vec<T>>,
 {
@@ -3426,7 +3426,7 @@ where
 
 #[cfg(not(no_global_oom_handling))]
 #[stable(feature = "rust1", since = "1.0.0")]
-impl From<&str> for Vec<u8> {
+impl From<&str> for Vec<u8, Global, DEFAULT_COOP_PREFERRED> {
     /// Allocate a `Vec<u8>` and fill it with a UTF-8 string.
     ///
     /// # Examples

library/alloc/src/vec/spec_from_iter.rs

@@ -25,7 +25,7 @@ pub(super) trait SpecFromIter<T, I> {
     fn from_iter(iter: I) -> Self;
 }
 
-impl<T, I> SpecFromIter<T, I> for Vec<T>
+impl<T, I> SpecFromIter<T, I> for Vec<T, Global, DEFAULT_COOP_PREFERRED>
 where
     I: Iterator<Item = T>,
 {
@@ -34,7 +34,7 @@ where
     }
 }
 
-impl<T> SpecFromIter<T, IntoIter<T>> for Vec<T> {
+impl<T> SpecFromIter<T, IntoIter<T>> for Vec<T,  Global, DEFAULT_COOP_PREFERRED> {
     fn from_iter(iterator: IntoIter<T>) -> Self {
         // A common case is passing a vector into a function which immediately
         // re-collects into a vector. We can short circuit this if the IntoIter

library/alloc/src/vec/spec_from_iter_nested.rs

@@ -13,7 +13,7 @@ pub(super) trait SpecFromIterNested<T, I> {
     fn from_iter(iter: I) -> Self;
 }
 
-impl<T, I> SpecFromIterNested<T, I> for Vec<T>
+impl<T, I> SpecFromIterNested<T, I> for Vec<T, Global, DEFAULT_COOP_PREFERRED>
 where
     I: Iterator<Item = T>,
 {
@@ -45,7 +45,7 @@ where
     }
 }
 
-impl<T, I> SpecFromIterNested<T, I> for Vec<T>
+impl<T, I> SpecFromIterNested<T, I> for Vec<T, Global, DEFAULT_COOP_PREFERRED>
 where
     I: TrustedLen<Item = T>,
 {

library/proc_macro/src/bridge/mod.rs

@@ -252,14 +252,14 @@ impl<'a, T, M> Unmark for &'a mut Marked<T, M> {
     }
 }
 
-impl<T: Mark> Mark for Vec<T> {
+impl<T: Mark> Mark for Vec<T, Global, DEFAULT_COOP_PREFERRED> {
     type Unmarked = Vec<T::Unmarked>;
     fn mark(unmarked: Self::Unmarked) -> Self {
         // Should be a no-op due to std's in-place collect optimizations.
         unmarked.into_iter().map(T::mark).collect()
     }
 }
-impl<T: Unmark> Unmark for Vec<T> {
+impl<T: Unmark> Unmark for Vec<T, Global, DEFAULT_COOP_PREFERRED> {
     type Unmarked = Vec<T::Unmarked>;
     fn unmark(self) -> Self::Unmarked {
         // Should be a no-op due to std's in-place collect optimizations.

library/proc_macro/src/bridge/rpc.rs

@@ -225,7 +225,7 @@ impl<S> DecodeMut<'_, '_, S> for String {
     }
 }
 
-impl<S, T: Encode<S>> Encode<S> for Vec<T> {
+impl<S, T: Encode<S>> Encode<S> for Vec<T, Global, DEFAULT_COOP_PREFERRED> {
     fn encode(self, w: &mut Writer, s: &mut S) {
         self.len().encode(w, s);
         for x in self {
@@ -234,7 +234,7 @@ impl<S, T: Encode<S>> Encode<S> for Vec<T> {
     }
 }
 
-impl<'a, S, T: for<'s> DecodeMut<'a, 's, S>> DecodeMut<'a, '_, S> for Vec<T> {
+impl<'a, S, T: for<'s> DecodeMut<'a, 's, S>> DecodeMut<'a, '_, S> for Vec<T, Global, DEFAULT_COOP_PREFERRED> {
     fn decode(r: &mut Reader<'a>, s: &mut S) -> Self {
         let len = usize::decode(r, s);
         let mut vec = Vec::with_capacity(len);

library/proc_macro/src/diagnostic.rs

@@ -30,7 +30,7 @@ impl MultiSpan for Span {
 }
 
 #[unstable(feature = "proc_macro_diagnostic", issue = "54140")]
-impl MultiSpan for Vec<Span> {
+impl MultiSpan for Vec<Span, Global, DEFAULT_COOP_PREFERRED> {
     fn into_spans(self) -> Vec<Span> {
         self
     }