temporarily allow the bad ABI lint

Author: RalfJung

crates/core_arch/src/lib.rs

@@ -58,6 +58,7 @@
     clippy::unusual_byte_groupings,
     clippy::wrong_self_convention
 )]
+#![allow(abi_unsupported_vector_types)] // FIXME
 #![cfg_attr(test, allow(unused_imports))]
 #![no_std]
 #![stable(feature = "stdsimd", since = "1.27.0")]