[Ghm-discuss] GCC frontend for Rust

[Darshit Shah]

After the talk about Rust during GHM 2019, we had a lively discussion about
having a GCC frontend for Rust. The idea being that if GCC can correctly
compile rust code, it goes a long way towards proving the correctness of many
of rustc's decisions.

Also, we would be able to port Rust code to many many more architectures that
LLVM just does not / can not support (example provided was the m68k).

There's two things I knew about this in the past:
1. mrustc: A rust to C compiler. https://github.com/thepowersgang/mrustc
The author calls it a compiler, but my understanding is that this is just a
transpiler.
2. gccrs: The gccrs branch in GCC attempts to implement a rust frontend for
GCC. However, from the looks of things this attempt is extremely outdated and
targets a very early version of Rust.

I did however come across something new today: 
gghttps://users.rust-lang.org/t/call-for-help-implementing-an-independent-rust-frontend-for-gcc/32163/16

They're trying to discuss this again. I would love to see this come to
fruition. Just figured I'd put this out here for the others to see.

-- 
Thanking You,
Darshit Shah
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