impl Copy/Clone for arrays in std, not in compiler

2021-06-05 17:17:35 -04:00
parent 495322d776
commit ce1143e94d
9 changed files with 30 additions and 187 deletions
--- a/compiler/rustc_trait_selection/src/traits/misc.rs
+++ b/compiler/rustc_trait_selection/src/traits/misc.rs
@@ -33,7 +33,8 @@ pub fn can_type_implement_copy(
            | ty::Char
            | ty::RawPtr(..)
            | ty::Never
-            | ty::Ref(_, _, hir::Mutability::Not) => return Ok(()),
+            | ty::Ref(_, _, hir::Mutability::Not)
+            | ty::Array(..) => return Ok(()),

            ty::Adt(adt, substs) => (adt, substs),