Add Sync impl for Slice

Zoxc · Zoxc · commit 2119d04b2d4f · 2018-06-01T15:22:37.000+02:00
diff --git a/src/librustc/ty/mod.rs b/src/librustc/ty/mod.rs
@@ -617,6 +617,8 @@ pub struct Slice<T> {
     opaque: OpaqueSliceContents,
 }
 
+unsafe impl<T: Sync> Sync for Slice<T> {}
+
 impl<T: Copy> Slice<T> {
     #[inline]
     fn from_arena<'tcx>(arena: &'tcx SyncDroplessArena, slice: &[T]) -> &'tcx Slice<T> {

Original file line number	Diff line number	Diff line change
`@@ -617,6 +617,8 @@ pub struct Slice<T> {`
`617`	`617`	`opaque: OpaqueSliceContents,`
`618`	`618`	`}`
`619`	`619`
	`620`	`+unsafe impl<T: Sync> Sync for Slice<T> {}`
	`621`	`+`
`620`	`622`	`impl<T: Copy> Slice<T> {`
`621`	`623`	`#[inline]`
`622`	`624`	`fn from_arena<'tcx>(arena: &'tcx SyncDroplessArena, slice: &[T]) -> &'tcx Slice<T> {`