#![feature(const_black_box)]
#![feature(const_caller_location)]
#![feature(const_cell_into_inner)]
-#![feature(const_char_convert)]
+#![feature(const_char_from_u32_unchecked)]
#![feature(const_clone)]
#![feature(const_cmp)]
#![feature(const_discriminant)]
#![feature(const_refs_to_cell)]
#![feature(decl_macro)]
#![feature(deprecated_suggestion)]
+#![cfg_attr(not(bootstrap), feature(derive_const))]
#![feature(doc_cfg)]
#![feature(doc_notable_trait)]
#![feature(rustdoc_internals)]