diff options
Diffstat (limited to 'compiler/rustc_feature/src/unstable.rs')
| -rw-r--r-- | compiler/rustc_feature/src/unstable.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs index bd6ea850147..5e42b919f9d 100644 --- a/compiler/rustc_feature/src/unstable.rs +++ b/compiler/rustc_feature/src/unstable.rs @@ -237,6 +237,8 @@ declare_features! ( (internal, profiler_runtime, "1.18.0", None), /// Allows using `rustc_*` attributes (RFC 572). (internal, rustc_attrs, "1.0.0", None), + /// Introduces a hierarchy of `Sized` traits (RFC 3729). + (unstable, sized_hierarchy, "CURRENT_RUSTC_VERSION", None), /// Allows using the `#[stable]` and `#[unstable]` attributes. (internal, staged_api, "1.0.0", None), /// Added for testing unstable lints; perma-unstable. |