Make Clone a lang item and generate builtin impls.

Fixes #28229. Fixes #24000.
2017-08-04 14:44:12 +02:00
parent b1ff235490
commit 0c3ac648f8
17 changed files with 313 additions and 32 deletions
--- a/src/libcore/array.rs
+++ b/src/libcore/array.rs
@@ -124,6 +124,7 @@ macro_rules! array_impls {
            }

            #[stable(feature = "rust1", since = "1.0.0")]
+            #[cfg(stage0)]
            impl<T:Copy> Clone for [T; $N] {
                fn clone(&self) -> [T; $N] {
                    *self