From b4b383981abac7ca8aa180c7ae3e28876615b887 Mon Sep 17 00:00:00 2001
From: Matt Brubeck <mbrubeck@limpet.net>
Date: Thu, 9 Jul 2020 11:07:17 -0700
Subject: [PATCH] Add PartialEq impls for Vec <-> slice

---
 library/alloc/src/vec.rs   | 2 ++
 library/alloc/tests/vec.rs | 3 ++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/library/alloc/src/vec.rs b/library/alloc/src/vec.rs
index b4ad238680f..ab3f204b4a9 100644
--- a/library/alloc/src/vec.rs
+++ b/library/alloc/src/vec.rs
@@ -2398,6 +2398,8 @@ __impl_slice_eq1! { [] Vec<A>, &[B], #[stable(feature = "rust1", since = "1.0.0"
 __impl_slice_eq1! { [] Vec<A>, &mut [B], #[stable(feature = "rust1", since = "1.0.0")] }
 __impl_slice_eq1! { [] &[A], Vec<B>, #[stable(feature = "partialeq_vec_for_ref_slice", since = "1.46.0")] }
 __impl_slice_eq1! { [] &mut [A], Vec<B>, #[stable(feature = "partialeq_vec_for_ref_slice", since = "1.46.0")] }
+__impl_slice_eq1! { [] Vec<A>, [B], #[stable(feature = "partialeq_vec_for_slice", since = "1.48.0")]  }
+__impl_slice_eq1! { [] [A], Vec<B>, #[stable(feature = "partialeq_vec_for_slice", since = "1.48.0")]  }
 __impl_slice_eq1! { [] Cow<'_, [A]>, Vec<B> where A: Clone, #[stable(feature = "rust1", since = "1.0.0")] }
 __impl_slice_eq1! { [] Cow<'_, [A]>, &[B] where A: Clone, #[stable(feature = "rust1", since = "1.0.0")] }
 __impl_slice_eq1! { [] Cow<'_, [A]>, &mut [B] where A: Clone, #[stable(feature = "rust1", since = "1.0.0")] }
diff --git a/library/alloc/tests/vec.rs b/library/alloc/tests/vec.rs
index ffff543b07f..9c278e0a0b7 100644
--- a/library/alloc/tests/vec.rs
+++ b/library/alloc/tests/vec.rs
@@ -1594,7 +1594,7 @@ fn partialeq_vec_and_prim() {
 }
 
 macro_rules! assert_partial_eq_valid {
-    ($a2:ident, $a3:ident; $b2:ident, $b3: ident) => {
+    ($a2:expr, $a3:expr; $b2:expr, $b3: expr) => {
         assert!($a2 == $b2);
         assert!($a2 != $b3);
         assert!($a3 != $b2);
@@ -1626,4 +1626,5 @@ fn partialeq_vec_full() {
     assert_partial_eq_valid!(slicemut2,slicemut3; vec2,vec3);
     assert_partial_eq_valid!(vec2,vec3; array2,array3);
     assert_partial_eq_valid!(vec2,vec3; arrayref2,arrayref3);
+    assert_partial_eq_valid!(vec2,vec3; arrayref2[..],arrayref3[..]);
 }