{"ast_node_type":"other","tokens":[{"end":31,"kind":"keyword","start":0,"text":"//"}]}
//  E0744, // merged into E0728
//  E0738, // Removed; errored on `#[track_caller] fn`s in `extern "Rust" { ... }`.
//  E0776, // Removed; `#[cmse_nonsecure_entry]` is now `extern "cmse-nonsecure-entry"`