diff options
Diffstat (limited to 'src/libcore')
| -rw-r--r-- | src/libcore/marker.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libcore/marker.rs b/src/libcore/marker.rs index e47b99ed552..0a8127f4ce4 100644 --- a/src/libcore/marker.rs +++ b/src/libcore/marker.rs @@ -39,7 +39,7 @@ use hash::Hasher; /// [arc]: ../../std/sync/struct.Arc.html /// [ub]: ../../reference/behavior-considered-undefined.html #[stable(feature = "rust1", since = "1.0.0")] -#[lang = "send"] +#[cfg_attr(stage0, lang = "send")] #[rustc_on_unimplemented = "`{Self}` cannot be sent between threads safely"] pub unsafe trait Send { // empty. |