rebase

Author: Tim

src/libcore/lib.rs

@@ -120,6 +120,13 @@
 #![feature(const_slice_len)]
 #![feature(const_str_as_bytes)]
 #![feature(const_str_len)]
+#![feature(const_let)]
+#![feature(const_int_rotate)]
+#![feature(const_int_wrapping)]
+#![feature(const_int_sign)]
+#![feature(const_int_conversion)]
+#![feature(const_transmute)]
+#![feature(reverse_bits)]
 #![feature(non_exhaustive)]
 
 #[prelude_import]