#![feature(link_llvm_intrinsics)]
#![feature(never_type)]
#![feature(nll)]
-#![cfg_attr(bootstrap, feature(bind_by_move_pattern_guards))]
#![feature(exhaustive_patterns)]
#![feature(no_core)]
#![feature(on_unimplemented)]
#![feature(rtm_target_feature)]
#![feature(f16c_target_feature)]
#![feature(hexagon_target_feature)]
-#![cfg_attr(bootstrap, feature(const_slice_len))]
-#![cfg_attr(bootstrap, feature(const_str_as_bytes))]
-#![cfg_attr(bootstrap, feature(const_str_len))]
#![feature(const_int_conversion)]
#![feature(const_transmute)]
-#![feature(non_exhaustive)]
+#![cfg_attr(bootstrap, feature(non_exhaustive))]
#![feature(structural_match)]
#![feature(abi_unadjusted)]
#![feature(adx_target_feature)]
#![feature(maybe_uninit_slice)]
#![feature(external_doc)]
-#![feature(mem_take)]
#![feature(associated_type_bounds)]
#[prelude_import]