- [Macro attributes may follow `#[derive]` and will see the original (pre-`cfg`) input.][87220]
- [Accept curly-brace macros in expressions, like `m!{ .. }.method()` and `m!{ .. }?`.][88690]
- [Allow panicking in constant evaluation.][89508]
+- [Ignore derived `Clone` and `Debug` implementations during dead code analysis.][85200]
Compiler
--------
Compatibility notes
-------------------
+- [Ignore derived `Clone` and `Debug` implementations during dead code analysis.][85200]
+ This will break some builds that set `#![deny(dead_code)]`.
+
Internal changes
----------------
These changes provide no direct user facing benefits, but represent significant
- [Added an experimental backend for codegen with `libgccjit`.][87260]
+[85200]: https://github.com/rust-lang/rust/pull/85200/
[86191]: https://github.com/rust-lang/rust/pull/86191/
[87220]: https://github.com/rust-lang/rust/pull/87220/
[87260]: https://github.com/rust-lang/rust/pull/87260/