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May 5, 2019 at 14:17
gcc 9.1: better diagnostics, better optimisations (faster to optimise and faster at runtime), a new D frontend, and more!
Jakub Jelinek - GCC 9.1 Released

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Sep 5, 2021 at 06:33
Applying PGO to rustc (on both LLVM and the Rust-based frontend) can provide a ~10% improvement to compile time! https://blog.rust-lang.org/inside-rust/2020/11/11/exploring-pgo-for-the-rust-compiler.html This has been recently merged to Rust's CI:
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PGO for LLVM builds on x86_64-unknown-linux-gnu in CI by Mark-Simulacrum · Pull Request #88069 · rust-lang/rust
PGO for LLVM builds on x86_64-unknown-linux-gnu in CI by Mark-Simulacrum · Pull Request #88069 · rust-lang/rust
This shows up to 6% less instruction counts with larger - up to 18% - wins on cycles on multiple benchmarks, and up to 19% wins on the -j1 wall times for rustc self-compilation. We can afford to sp...
Sep 8, 2020 at 06:37
My toy programming language has a pluggable frontend, so you can change syntax easily. The first syntax I built was lispy. I've gradually been adding statement oriented C-ish syntax. I think it would awkward to write a statement oriented lispy syntax. Do any such PLs exist?
Sep 1, 2020 at 04:21
Discussing blockers for writing Linux kernel drivers in Rust, including some experimental compiler tools! Apparently there are even a few folks exploring a GCC frontend for Rust.
Supporting Linux kernel development in Rust
The Rust programming language has long aimed to be a suitable replacement for C in operating-sy [...]