A GCC back-end for Rust is incredibly important for FLOSS. Even if the world doesn't switch from C to Rust overnight, Rust creates a negative halo effect for GC

A GCC back-end for Rust is incredibly important for FLOSS. Even if the world doesn't switch from C to Rust overnight, Rust creates a negative halo effect for GCC, casting doubt on GCC's future relevance. Rust support in GCC would be a huge win for both projects.