Can you compile this Rust code without blocking?

Cargo and rust-analyzer will blocking when compile this code ...

I'm not sure if it's a bug on stable Rust.

You can try to compile it on your computer.

My idea: Normally, suspicious code should be refused compilation, but now it is continuously being compiled without exiting, which is very strange.

Tool version and target

Version

• rustc --version: rustc 1.78.0 (9b00956e5 2024-04-29)
• rustup --version: rustup 1.27.1 (54dd3d00f 2024-04-24)
• cargo --version: cargo 1.78.0 (54d8815d0 2024-03-26)

Target

• rustup default: stable-aarch64-apple-darwin (default)