Auto merge of #16249 - lnicola:sync-from-rust, r=lnicola

internal: Sync from rust
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bors 2024-01-04 10:47:48 +00:00
commit 8356bc9008

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@ -1,5 +1,7 @@
//! Exports a few trivial procedural macros for testing.
#![allow(unexpected_cfgs)]
#![cfg(feature = "sysroot-abi")]
#![cfg(any(feature = "sysroot-abi", rust_analyzer))]
#![warn(rust_2018_idioms, unused_lifetimes)]
#![feature(proc_macro_span, proc_macro_def_site)]