#![feature(allow_internal_unstable)]
#![feature(associated_type_bounds)]
#![feature(auto_traits)]
+#![feature(c_unwind)]
#![feature(cfg_sanitize)]
#![feature(cfg_target_has_atomic)]
#![feature(cfg_target_has_atomic_equal_alignment)]
#![feature(unboxed_closures)]
#![feature(unsized_fn_params)]
#![feature(asm_const)]
+#![feature(const_transmute_copy)]
//
// Target features:
#![feature(arm_target_feature)]