Anthropic built a C compiler using a "team of parallel agents", has problems compiling hello world.

A very interesting experiment, it can apparently compile a specific version of the Linux kernel, from the article : "Over nearly 2,000 Claude Code sessions and $20,000 in API costs, the agent team produced a 100,000-line compiler that can build Linux 6.9 on x86, ARM, and RISC-V." but at the same time some people have had problems compiling a simple hello world program: https://github.com/anthropics/claudes-c-compiler/issues/1 Edit: Some people could compile the hello world program in the end: "Works if you supply the correct include path(s)" Though other pointed out that: "Which you arguably shouldn't even have to do lmao"

Edit: I'll add the limitations of this compiler from the blog post, it apparently can't compile the Linux kernel without help from gcc:

"The compiler, however, is not without limitations. These include:

• It lacks the 16-bit x86 compiler that is necessary to boot Linux out of real mode. For this, it calls out to GCC (the x86_32 and x86_64 compilers are its own).

• It does not have its own assembler and linker; these are the very last bits that Claude started automating and are still somewhat buggy. The demo video was produced with a GCC assembler and linker.

• The compiler successfully builds many projects, but not all. It's not yet a drop-in replacement for a real compiler.

• The generated code is not very efficient. Even with all optimizations enabled, it outputs less efficient code than GCC with all optimizations disabled.

• The Rust code quality is reasonable, but is nowhere near the quality of what an expert Rust programmer might produce."