Move wasmtime_environ::collections::Vec to wasmtime_core::alloc::Vec (#12448)

Author: fitzgen

crates/core/src/alloc.rs

@@ -3,9 +3,11 @@
 mod arc;
 mod boxed;
 mod try_new;
+mod vec;
 
 pub use boxed::{BoxedSliceFromIterError, new_boxed_slice_from_iter};
 pub use try_new::{TryNew, try_new};
+pub use vec::Vec;
 
 use crate::error::OutOfMemory;
 use core::{alloc::Layout, ptr::NonNull};

crates/environ/src/collections/vec.rs crates/core/src/alloc/vec.rscrates/environ/src/collections/vec.rs renamed to crates/core/src/alloc/vec.rs

@@ -1,9 +1,9 @@
 use crate::error::OutOfMemory;
-use alloc::vec::Vec as StdVec;
 use core::{
     fmt,
     ops::{Deref, DerefMut, Index, IndexMut},
 };
+use std_alloc::vec::Vec as StdVec;
 
 /// Like `std::vec::Vec` but all methods that allocate force handling allocation
 /// failure.

crates/environ/src/collections.rs

@@ -2,9 +2,7 @@
 
 mod entity_set;
 mod primary_map;
-mod vec;
 
 pub use entity_set::EntitySet;
 pub use primary_map::PrimaryMap;
-pub use vec::Vec;
-pub use wasmtime_core::alloc::{TryNew, try_new};
+pub use wasmtime_core::alloc::{TryNew, Vec, try_new};